Before changing Piece[,] to Dictionary<string,Piece>

Gameboard.ShogiUI.Sockets.ServiceModels/Socket/Types/BoardState.cs

@@ -8,5 +8,7 @@ namespace Gameboard.ShogiUI.Sockets.ServiceModels.Socket.Types
     public Piece[,] Board { get; set; } = new Piece[0, 0];
     public IReadOnlyCollection<Piece> Player1Hand { get; set; } = Array.Empty<Piece>();
     public IReadOnlyCollection<Piece> Player2Hand { get; set; } = Array.Empty<Piece>();
+    public WhichPlayer? PlayerInCheck { get; set; }
+    public WhichPlayer WhoseTurn { get; set; }
   }
 }

Gameboard.ShogiUI.Sockets.ServiceModels/Socket/Types/Game.cs

@@ -1,14 +1,33 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 
 namespace Gameboard.ShogiUI.Sockets.ServiceModels.Socket.Types
 {
   public class Game
   {
+    public string Player1 { get; set; } = string.Empty;
+    public string? Player2 { get; set; } = string.Empty;
     public string GameName { get; set; } = string.Empty;
     /// <summary>
-    /// Players[0] is the session owner, Players[1] is the other guy
+    /// Players[0] is the session owner, Players[1] is the other person.
     /// </summary>
-    public IReadOnlyList<string> Players { get; set; } = Array.Empty<string>();
+    public IReadOnlyList<string> Players
+    {
+      get
+      {
+        var list = new List<string>(2) { Player1 };
+        if (!string.IsNullOrEmpty(Player2)) list.Add(Player2);
+        return list;
+      }
+    }
+
+    public Game()
+    {
+    }
+    public Game(string gameName, string player1, string? player2 = null)
+    {
+      GameName = gameName;
+      Player1 = player1;
+      Player2 = player2;
+    }
   }
 }