diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..90ac7fb
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,20 @@
+root = true
+
+#### .NET Coding Conventions ####
+# C# files
+[*.cs]
+dotnet_diagnostic.IDE1006.severity = warning
+dotnet_diagnostic.IDE0005.severity = error
+
+# Exclude generated code
+[src/**/Migrations/*.cs]
+generated_code = true
+dotnet_analyzer_diagnostic.severity = none
+
+#### Core EditorConfig Options ####
+[*]
+# Indentation and spacing
+indent_style = space
+indent_size = 4
+charset = utf-8
+trim_trailing_whitespace = true
diff --git a/.gitignore b/.gitignore
index 8c2b884..3ee7f61 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,6 @@
 # Built Visual Studio Code Extensions
 *.vsix
 
+bin
+obj
+
diff --git a/README.md b/README.adoc
similarity index 79%
rename from README.md
rename to README.adoc
index a041ad8..0d1b2b2 100644
--- a/README.md
+++ b/README.adoc
@@ -1,3 +1,3 @@
-# LittleTown
+= LittleTown
 
 Petit projet d'adaptation de littleTown en ligne
\ No newline at end of file
diff --git a/src/LittleTown.Core.Tests/GlobalUsings.cs b/src/LittleTown.Core.Tests/GlobalUsings.cs
new file mode 100644
index 0000000..8c927eb
--- /dev/null
+++ b/src/LittleTown.Core.Tests/GlobalUsings.cs
@@ -0,0 +1 @@
+global using Xunit;
\ No newline at end of file
diff --git a/src/LittleTown.Core.Tests/LittleTown.Core.Tests.csproj b/src/LittleTown.Core.Tests/LittleTown.Core.Tests.csproj
new file mode 100644
index 0000000..12e64a7
--- /dev/null
+++ b/src/LittleTown.Core.Tests/LittleTown.Core.Tests.csproj
@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
+    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="6.0.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\LittleTown.Core\LittleTown.Core.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/src/LittleTown.Core.Tests/MatchTesting.cs b/src/LittleTown.Core.Tests/MatchTesting.cs
new file mode 100644
index 0000000..dc9ed1e
--- /dev/null
+++ b/src/LittleTown.Core.Tests/MatchTesting.cs
@@ -0,0 +1,18 @@
+namespace LittleTown.Core.Tests;
+
+public class MatchTesting
+{
+    [Fact]
+    public void EnforcePlayerCountInMatchCreation()
+    {
+        Assert.Throws<ArgumentOutOfRangeException>(() => { new Match(1); });
+
+        Match match2Player = new Match(2);
+
+        Match match3Player = new Match(3);
+
+        Match match4Player = new Match(4);
+
+        Assert.Throws<ArgumentOutOfRangeException>(() => { new Match(5); });
+    }
+}
\ No newline at end of file
diff --git a/src/LittleTown.Core/LittleTown.Core.csproj b/src/LittleTown.Core/LittleTown.Core.csproj
new file mode 100644
index 0000000..d7b5bc5
--- /dev/null
+++ b/src/LittleTown.Core/LittleTown.Core.csproj
@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <InvariantGlobalization>true</InvariantGlobalization>
+    <EnableNETAnalyzers>true</EnableNETAnalyzers>
+    <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
+    <AnalysisMode>All</AnalysisMode>
+  </PropertyGroup>
+
+</Project>
diff --git a/src/LittleTown.Core/MatchAggregate/Match.cs b/src/LittleTown.Core/MatchAggregate/Match.cs
new file mode 100644
index 0000000..6a5406e
--- /dev/null
+++ b/src/LittleTown.Core/MatchAggregate/Match.cs
@@ -0,0 +1,20 @@
+namespace LittleTown.Core;
+
+/// <summary>
+/// Represente un match de LittleTown
+/// </summary>
+public class Match
+{
+    private const int _minPlayerCount = 2;
+    private const int _maxPlayerCount = 4;
+
+    /// <summary>
+    /// Constructeur d'une nouvelle partie avec un nombre de joueurs données en parametres
+    /// </summary>
+    /// <param name="nbPlayer"></param>
+    public Match(int nbPlayer)
+    {
+        ArgumentOutOfRangeException.ThrowIfLessThan(nbPlayer, _minPlayerCount);
+        ArgumentOutOfRangeException.ThrowIfGreaterThan(nbPlayer, _maxPlayerCount);
+    }
+}
\ No newline at end of file
diff --git a/src/LittleTown.Core/readme.adoc b/src/LittleTown.Core/readme.adoc
new file mode 100644
index 0000000..e65f6ec
--- /dev/null
+++ b/src/LittleTown.Core/readme.adoc
@@ -0,0 +1,4 @@
+
+Projet Core
+
+C'est ici que doit vivre tout les elements métiers. Ici, les termes utilisés sont les même termes que ceux utilisé quand on parle du métier.
\ No newline at end of file
diff --git a/src/LittleTown.sln b/src/LittleTown.sln
new file mode 100644
index 0000000..e97ccff
--- /dev/null
+++ b/src/LittleTown.sln
@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LittleTown.Core", "LittleTown.Core\LittleTown.Core.csproj", "{E1A228C7-E008-47F4-9EBC-148D4A9071E0}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LittleTown.Core.Tests", "LittleTown.Core.Tests\LittleTown.Core.Tests.csproj", "{32D41FF2-0674-4750-A171-010AB228AF18}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E1A228C7-E008-47F4-9EBC-148D4A9071E0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E1A228C7-E008-47F4-9EBC-148D4A9071E0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E1A228C7-E008-47F4-9EBC-148D4A9071E0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E1A228C7-E008-47F4-9EBC-148D4A9071E0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{32D41FF2-0674-4750-A171-010AB228AF18}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{32D41FF2-0674-4750-A171-010AB228AF18}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{32D41FF2-0674-4750-A171-010AB228AF18}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{32D41FF2-0674-4750-A171-010AB228AF18}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal