diff --git a/.gitignore b/.gitignore
index 491f666..6fa4cdb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,9 @@
-/vendor/
+# Jetbrains
 .idea/
+
+# Composer
+/vendor/
+
+# PHPUnit
+/.phpunit.cache
+.phpunit.result.cache
diff --git a/composer.json b/composer.json
index 6a0d5c6..c844de0 100644
--- a/composer.json
+++ b/composer.json
@@ -22,6 +22,7 @@
         "blackbirdchess/blackbirdchess-service-results": "dev-main"
     },
     "require-dev": {
+        "phpunit/phpunit": "^9"
     },
     "autoload": {
         "psr-4": {
@@ -30,8 +31,12 @@
     },
     "config": {
         "platform": {
-            "php": "7.1"
+            "php": "8.1"
         },
         "sort-packages": true
-    }
+    },
+    "repositories": [{
+        "type": "composer",
+        "url": "https://repo.blackbirdchess.app"
+    }]
 }
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..fbe65cc
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,1796 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "e4f9136cb81a6112984a31bec8cd1354",
+    "packages": [
+        {
+            "name": "blackbirdchess/blackbirdchess-service-results",
+            "version": "dev-main",
+            "source": {
+                "type": "git",
+                "url": "https://git.jeroened.be/blackbirdchess/blackbirdchess-service-results.git",
+                "reference": "a016fcb012ec4af48314d6fb966cdf6de9c31d7f"
+            },
+            "require": {
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+                "php": "^8.1"
+            },
+            "default-branch": true,
+            "type": "library",
+            "autoload": {
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+                    "Blackbirdchess\\Service\\Results\\": "src/"
+                }
+            },
+            "license": [
+                "AGPL-3.0-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "Jeroen De Meerleer",
+                    "email": "schaak@jeroened.be",
+                    "homepage": "https://www.jeroened.be",
+                    "role": "Developer"
+                }
+            ],
+            "description": "Service to calculate results for blackbird chess",
+            "keywords": [
+                "blackbirdchess",
+                "chess",
+                "pairing"
+            ],
+            "time": "2023-01-14T13:34:19+00:00"
+        }
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+                "shasum": ""
+            },
+            "require": {
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+            },
+            "require-dev": {
+                "doctrine/coding-standard": "^11",
+                "ext-pdo": "*",
+                "ext-phar": "*",
+                "phpbench/phpbench": "^1.2",
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+                "phpunit/phpunit": "^9.5.27",
+                "vimeo/psalm": "^5.4"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Instantiator\\": "src/Doctrine/Instantiator/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Marco Pivetta",
+                    "email": "ocramius@gmail.com",
+                    "homepage": "https://ocramius.github.io/"
+                }
+            ],
+            "description": "A small, lightweight utility to instantiate objects in PHP without invoking their constructors",
+            "homepage": "https://www.doctrine-project.org/projects/instantiator.html",
+            "keywords": [
+                "constructor",
+                "instantiate"
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+            },
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+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
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+                {
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+            "type": "library",
+            "autoload": {
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+                ],
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+            },
+            "notification-url": "https://packagist.org/downloads/",
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+                "copy",
+                "duplicate",
+                "object",
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+            "support": {
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+                "source": "https://github.com/myclabs/DeepCopy/tree/1.11.0"
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+                    "type": "tidelift"
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+            "version": "v4.15.2",
+            "source": {
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+                "url": "https://github.com/nikic/PHP-Parser.git",
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+            },
+            "bin": [
+                "bin/php-parse"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.9-dev"
+                }
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+            "autoload": {
+                "psr-4": {
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
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+            ],
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+                }
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+            "keywords": [
+                "parser",
+                "php"
+            ],
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+                    "role": "Developer"
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+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "Developer"
+                }
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+            "support": {
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+                    "role": "lead"
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+                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/0ca8db5a5fc9c8646244e629625ac486fa286bf2",
+                "reference": "0ca8db5a5fc9c8646244e629625ac486fa286bf2",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3",
+                "sebastian/object-reflector": "^2.0",
+                "sebastian/recursion-context": "^4.0"
+            },
+            "require-dev": {
+                "ext-dom": "*",
+                "phpunit/phpunit": "^9.3"
+            },
+            "suggest": {
+                "ext-uopz": "*"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "5.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Snapshotting of global state",
+            "homepage": "http://www.github.com/sebastianbergmann/global-state",
+            "keywords": [
+                "global state"
+            ],
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/global-state/issues",
+                "source": "https://github.com/sebastianbergmann/global-state/tree/5.0.5"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2022-02-14T08:28:10+00:00"
+        },
+        {
+            "name": "sebastian/lines-of-code",
+            "version": "1.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/lines-of-code.git",
+                "reference": "c1c2e997aa3146983ed888ad08b15470a2e22ecc"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/lines-of-code/zipball/c1c2e997aa3146983ed888ad08b15470a2e22ecc",
+                "reference": "c1c2e997aa3146983ed888ad08b15470a2e22ecc",
+                "shasum": ""
+            },
+            "require": {
+                "nikic/php-parser": "^4.6",
+                "php": ">=7.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Library for counting the lines of code in PHP source code",
+            "homepage": "https://github.com/sebastianbergmann/lines-of-code",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/lines-of-code/issues",
+                "source": "https://github.com/sebastianbergmann/lines-of-code/tree/1.0.3"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-11-28T06:42:11+00:00"
+        },
+        {
+            "name": "sebastian/object-enumerator",
+            "version": "4.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/object-enumerator.git",
+                "reference": "5c9eeac41b290a3712d88851518825ad78f45c71"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/5c9eeac41b290a3712d88851518825ad78f45c71",
+                "reference": "5c9eeac41b290a3712d88851518825ad78f45c71",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3",
+                "sebastian/object-reflector": "^2.0",
+                "sebastian/recursion-context": "^4.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Traverses array structures and object graphs to enumerate all referenced objects",
+            "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/object-enumerator/issues",
+                "source": "https://github.com/sebastianbergmann/object-enumerator/tree/4.0.4"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-10-26T13:12:34+00:00"
+        },
+        {
+            "name": "sebastian/object-reflector",
+            "version": "2.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/object-reflector.git",
+                "reference": "b4f479ebdbf63ac605d183ece17d8d7fe49c15c7"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/object-reflector/zipball/b4f479ebdbf63ac605d183ece17d8d7fe49c15c7",
+                "reference": "b4f479ebdbf63ac605d183ece17d8d7fe49c15c7",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Allows reflection of object attributes, including inherited and non-public ones",
+            "homepage": "https://github.com/sebastianbergmann/object-reflector/",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/object-reflector/issues",
+                "source": "https://github.com/sebastianbergmann/object-reflector/tree/2.0.4"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-10-26T13:14:26+00:00"
+        },
+        {
+            "name": "sebastian/recursion-context",
+            "version": "4.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/recursion-context.git",
+                "reference": "cd9d8cf3c5804de4341c283ed787f099f5506172"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/cd9d8cf3c5804de4341c283ed787f099f5506172",
+                "reference": "cd9d8cf3c5804de4341c283ed787f099f5506172",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                },
+                {
+                    "name": "Jeff Welch",
+                    "email": "whatthejeff@gmail.com"
+                },
+                {
+                    "name": "Adam Harvey",
+                    "email": "aharvey@php.net"
+                }
+            ],
+            "description": "Provides functionality to recursively process PHP variables",
+            "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/recursion-context/issues",
+                "source": "https://github.com/sebastianbergmann/recursion-context/tree/4.0.4"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-10-26T13:17:30+00:00"
+        },
+        {
+            "name": "sebastian/resource-operations",
+            "version": "3.0.3",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/resource-operations.git",
+                "reference": "0f4443cb3a1d92ce809899753bc0d5d5a8dd19a8"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/resource-operations/zipball/0f4443cb3a1d92ce809899753bc0d5d5a8dd19a8",
+                "reference": "0f4443cb3a1d92ce809899753bc0d5d5a8dd19a8",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Provides a list of PHP built-in functions that operate on resources",
+            "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/resource-operations/issues",
+                "source": "https://github.com/sebastianbergmann/resource-operations/tree/3.0.3"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-09-28T06:45:17+00:00"
+        },
+        {
+            "name": "sebastian/type",
+            "version": "3.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/type.git",
+                "reference": "fb3fe09c5f0bae6bc27ef3ce933a1e0ed9464b6e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/type/zipball/fb3fe09c5f0bae6bc27ef3ce933a1e0ed9464b6e",
+                "reference": "fb3fe09c5f0bae6bc27ef3ce933a1e0ed9464b6e",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^9.5"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.2-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Collection of value objects that represent the types of the PHP type system",
+            "homepage": "https://github.com/sebastianbergmann/type",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/type/issues",
+                "source": "https://github.com/sebastianbergmann/type/tree/3.2.0"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2022-09-12T14:47:03+00:00"
+        },
+        {
+            "name": "sebastian/version",
+            "version": "3.0.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/sebastianbergmann/version.git",
+                "reference": "c6c1022351a901512170118436c764e473f6de8c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/c6c1022351a901512170118436c764e473f6de8c",
+                "reference": "c6c1022351a901512170118436c764e473f6de8c",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.0-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Library that helps with managing the version number of Git-hosted PHP projects",
+            "homepage": "https://github.com/sebastianbergmann/version",
+            "support": {
+                "issues": "https://github.com/sebastianbergmann/version/issues",
+                "source": "https://github.com/sebastianbergmann/version/tree/3.0.2"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/sebastianbergmann",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-09-28T06:39:44+00:00"
+        },
+        {
+            "name": "theseer/tokenizer",
+            "version": "1.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/theseer/tokenizer.git",
+                "reference": "34a41e998c2183e22995f158c581e7b5e755ab9e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/theseer/tokenizer/zipball/34a41e998c2183e22995f158c581e7b5e755ab9e",
+                "reference": "34a41e998c2183e22995f158c581e7b5e755ab9e",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-tokenizer": "*",
+                "ext-xmlwriter": "*",
+                "php": "^7.2 || ^8.0"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Arne Blankerts",
+                    "email": "arne@blankerts.de",
+                    "role": "Developer"
+                }
+            ],
+            "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
+            "support": {
+                "issues": "https://github.com/theseer/tokenizer/issues",
+                "source": "https://github.com/theseer/tokenizer/tree/1.2.1"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/theseer",
+                    "type": "github"
+                }
+            ],
+            "time": "2021-07-28T10:34:58+00:00"
+        }
+    ],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": {
+        "blackbirdchess/blackbirdchess-service-results": 20
+    },
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": {
+        "php": "^8.1",
+        "ext-iconv": "*"
+    },
+    "platform-dev": [],
+    "platform-overrides": {
+        "php": "8.1"
+    },
+    "plugin-api-version": "2.3.0"
+}
diff --git a/src/Readers/Swar5.php b/src/Readers/Swar5.php
index 3d76bfa..d0876eb 100644
--- a/src/Readers/Swar5.php
+++ b/src/Readers/Swar5.php
@@ -43,7 +43,7 @@ class Swar5 implements ReaderInterface
     /**
      * @var array
      */
-    public const COMPATIBLE_VERSIONS = ['v5.'];
+    public const COMPATIBLE_VERSIONS = '(v5\.[0-9]{2}|v6.00)';
 
     public const TEMPOS = [
         [
@@ -208,7 +208,7 @@ class Swar5 implements ReaderInterface
         if($compatversion != '') {
             $this->Release == $compatversion;
         }
-        if (array_search(substr($this->Release, 0, 3), self::COMPATIBLE_VERSIONS) === false) {
+        if (preg_match(self::COMPATIBLE_VERSIONS, $this->Release) === false) {
             throw new IncompatibleReaderException("This file was not created with Swar 5");
         }
 
diff --git a/tests/ReadSws_test.php b/tests/ReadSws_test.php
deleted file mode 100644
index 2298517..0000000
--- a/tests/ReadSws_test.php
+++ /dev/null
@@ -1,105 +0,0 @@
-<?php
-
-/*
- * The MIT License
- *
- * Copyright 2019 Jeroen De Meerleer <schaak@jeroened.be>.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-use Blackbirdchess\Service\Import\IOFactory;
-
-require_once '../vendor/autoload.php';
-
-$sws = IOFactory::createReader('Swar-4');
-$sws->read('../res/testswar.swar');
-
-echo "Release:      " . $sws->Release . PHP_EOL;
-echo "Name:         " . $sws->Tournament->Name . PHP_EOL;
-echo "Organiser:    " . $sws->Tournament->Organiser . PHP_EOL;
-echo "TempoIndex:   " . $sws->Tournament->TempoIndex . PHP_EOL;
-echo "TempoType:    " . $sws->Tournament->TournoiStd . PHP_EOL;
-echo "Tempo:        " . $sws->Tournament->Tempo . PHP_EOL;
-echo "Place:        " . $sws->Tournament->OrganiserPlace . PHP_EOL;
-echo "Arbiter 1:    " . $sws->Tournament->Arbiters[ 0 ] . PHP_EOL;
-echo "Arbiter 2:    " . $sws->Tournament->Arbiters[ 1 ] . PHP_EOL;
-echo "Rounds:       " . $sws->Tournament->NoOfRounds . PHP_EOL;
-echo "Fidehomol:    " . $sws->Tournament->FideHomol . PHP_EOL;
-echo "Start-Date:   " . $sws->Tournament->StartDate->format('d/m/Y') . PHP_EOL;
-echo "End-Date:     " . $sws->Tournament->EndDate->format('d/m/Y') . PHP_EOL;
-echo "System:       " . $sws->Tournament->System->getKey() . PHP_EOL;
-echo "Place:        " . $sws->Tournament->OrganiserPlace . PHP_EOL;
-echo "Unrated-Elo:  " . $sws->Tournament->NonRatedElo . PHP_EOL;
-echo "Federation:   " . $sws->Tournament->Federation . PHP_EOL;
-echo "Organiser:    " . $sws->Tournament->OrganiserClubNo . PHP_EOL;
-echo "Fide Elo P1:  " . $sws->Tournament->PlayerById(0)->getElo('Fide') . PHP_EOL;
-echo "Fide Elo P2:  " . $sws->Tournament->PlayerById(1)->getElo('Fide') . PHP_EOL;
-echo "Fide Elo P3:  " . $sws->Tournament->PlayerById(2)->getElo('Fide') . PHP_EOL;
-echo "KBSB Elo P1:  " . $sws->Tournament->PlayerById(0)->getElo('Nation') . PHP_EOL;
-echo "KBSB Elo P2:  " . $sws->Tournament->PlayerById(1)->getElo('Nation') . PHP_EOL;
-echo "KBSB Elo P3:  " . $sws->Tournament->PlayerById(2)->getElo('Nation') . PHP_EOL;
-echo "Name P1:      " . $sws->Tournament->PlayerById(0)->Name . PHP_EOL;
-echo "Name P2:      " . $sws->Tournament->PlayerById(1)->Name . PHP_EOL;
-echo "Name P3:      " . $sws->Tournament->PlayerById(2)->Name . PHP_EOL;
-echo "Gender P1:    " . $sws->Tournament->PlayerById(0)->Gender->getKey() . PHP_EOL;
-echo "Gender P2:    " . $sws->Tournament->PlayerById(1)->Gender->getKey() . PHP_EOL;
-echo "Gender P3:    " . $sws->Tournament->PlayerById(2)->Gender->getKey() . PHP_EOL;
-echo "Absent P1:    " . $sws->Tournament->PlayerById(0)->Absent . PHP_EOL;
-echo "Absent P2:    " . $sws->Tournament->PlayerById(1)->Absent . PHP_EOL;
-echo "Absent P3:    " . $sws->Tournament->PlayerById(2)->Absent . PHP_EOL;
-echo "Category P1:    " . $sws->Tournament->PlayerById(0)->Category . PHP_EOL;
-echo "Category P2:    " . $sws->Tournament->PlayerById(1)->Category . PHP_EOL;
-echo "Category P3:    " . $sws->Tournament->PlayerById(2)->Category . PHP_EOL;
-echo "Date Round 1: " . $sws->Tournament->RoundByNo(0)->Date->format('d/m/Y') . PHP_EOL;
-echo "Date Round 2: " . $sws->Tournament->RoundByNo(1)->Date->format('d/m/Y') . PHP_EOL;
-echo "Date Round 3: " . $sws->Tournament->RoundByNo(2)->Date->format('d/m/Y') . PHP_EOL;
-echo "Game Round 1: " . $sws->Tournament->RoundByNo(0)->Games[ 0 ]->Result->getValue() . PHP_EOL;
-echo "Game Round 2: " . $sws->Tournament->RoundByNo(1)->Games[ 0 ]->Result->getValue() . PHP_EOL;
-echo "Game Round 3: " . $sws->Tournament->RoundByNo(2)->Games[ 0 ]->Result->getValue() . PHP_EOL;
-echo "Color Pairing 1: " . $sws->Tournament->Pairings[ 1 ]->Color->getKey() . PHP_EOL;
-echo "Color Pairing 2: " . $sws->Tournament->Pairings[ 2 ]->Color->getKey() . PHP_EOL;
-echo "Color Pairing 3: " . $sws->Tournament->Pairings[ 3 ]->Color->getKey() . PHP_EOL;
-echo "Player Pairing 1: " . $sws->Tournament->Pairings[ 0 ]->Player->Name . PHP_EOL;
-echo "Player Pairing 2: " . $sws->Tournament->Pairings[ 1 ]->Player->Name . PHP_EOL;
-echo "Player Pairing 3: " . $sws->Tournament->Pairings[ 2 ]->Player->Name . PHP_EOL;
-echo "Bye Round 1:  " . $sws->Tournament->RoundByNo(2)->Bye[ 0 ]->Player->Name . PHP_EOL;
-echo "Absent Round 1: " . $sws->Tournament->RoundByNo(2)->Absent[ 0 ]->Player->Name . PHP_EOL;
-echo "Tiebreak 1:   " . $sws->Tournament->Tiebreaks[ 0 ]->getValue() . PHP_EOL;
-echo "Tiebreak 2:   " . $sws->Tournament->Tiebreaks[ 1 ]->getValue() . PHP_EOL;
-echo "Tiebreak 3:   " . $sws->Tournament->Tiebreaks[ 2 ]->getValue() . PHP_EOL;
-echo "Tiebreak 4:   " . $sws->Tournament->Tiebreaks[ 3 ]->getValue() . PHP_EOL;
-echo "Tiebreak 5:   " . $sws->Tournament->Tiebreaks[ 4 ]->getValue() . PHP_EOL;
-echo "Tiebreak 6:   " . $sws->Tournament->Tiebreaks[ 5 ]->getValue() . PHP_EOL;
-echo "Average Elo:  " . $sws->Tournament->AverageElo . PHP_EOL;
-foreach ($sws->Tournament->RankingForCategory('+2500') as $player) {
-    echo str_pad($player->Name . '(' . $player->getElo($sws->Tournament->PriorityElo) . ') ', 35) .
-         implode_pad(' ', $player->Tiebreaks, 5, ' ') .
-         PHP_EOL;
-}
-
-function implode_pad($glue, $collection, $padlength, $padstring): string
-{
-    $newarray = [];
-    foreach ($collection as $elem) {
-        $newarray[] = str_pad($elem, $padlength, $padstring);
-    }
-
-    return implode($glue, $newarray);
-}
diff --git a/tests/Readers/Pairtwo6Test.php b/tests/Readers/Pairtwo6Test.php
new file mode 100644
index 0000000..cb21789
--- /dev/null
+++ b/tests/Readers/Pairtwo6Test.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace Blackbirdchess\Tests\Service\Import\Readers;
+
+use Blackbirdchess\Service\Import\Readers\Pairtwo6;
+use PHPUnit\Framework\TestCase;
+
+class Pairtwo6Test extends TestCase
+{
+    private string $testfile = '/res/Pairtwo6-testfile.sws';
+    private Pairtwo6 $testobject;
+
+    public function setUp(): void
+    {
+        $this->testfile = getcwd() . $this->testfile;
+        $this->testobject = new Pairtwo6();
+        $this->testobject->read($this->testfile);
+    }
+
+    public function testReadTournamentName(): void
+    {
+        $this->assertEquals('Blackbird Chess Unit Test Tournament', $this->testobject->Tournament->Name);
+    }
+
+    public function testReadTournamentOrganiser(): void
+    {
+        $this->assertEquals('Blackbird Chess Developers', $this->testobject->Tournament->Organiser);
+    }
+
+    public function testReadTournamentLocation(): void
+    {
+        $this->assertEquals('Waregem', $this->testobject->Tournament->OrganiserPlace);
+    }
+
+    public function testHas8Players(): void
+    {
+        $this->assertCount(8, $this->testobject->Tournament->Players);
+    }
+
+    public function testHas7Rounds(): void
+    {
+        $this->assertCount(7, $this->testobject->Tournament->Rounds);
+    }
+}
diff --git a/tests/Readers/Swar5Test.php b/tests/Readers/Swar5Test.php
new file mode 100644
index 0000000..080827a
--- /dev/null
+++ b/tests/Readers/Swar5Test.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace Blackbirdchess\Tests\Service\Import\Readers;
+
+use Blackbirdchess\Service\Import\Readers\Swar5;
+use PHPUnit\Framework\TestCase;
+
+class Swar5Test extends TestCase
+{
+    private string $swarfile = '/res/Swar5-testfile.swar';
+    private Swar5 $testobject;
+
+    public function setUp(): void
+    {
+        $this->swarfile = getcwd() . $this->swarfile;
+        $this->testobject = new Swar5();
+        $this->testobject->read($this->swarfile);
+    }
+
+    public function testReadTournamentName(): void
+    {
+        $this->assertEquals('Blackbird Chess Unit Test Tournament', $this->testobject->Tournament->Name);
+    }
+
+    public function testReadTournamentOrganiser(): void
+    {
+        $this->assertEquals('Blackbird Chess Developers', $this->testobject->Tournament->Organiser);
+    }
+
+    public function testReadTournamentLocation(): void
+    {
+        $this->assertEquals('Waregem', $this->testobject->Tournament->OrganiserPlace);
+    }
+
+    public function testHas8Players(): void
+    {
+        $this->assertCount(8, $this->testobject->Tournament->Players);
+    }
+
+    public function testHas7Rounds(): void
+    {
+        $this->assertCount(7, $this->testobject->Tournament->Rounds);
+    }
+}