Add move logic

67_One_Check/csharp/Game.cs

@@ -4,6 +4,7 @@ internal class Game
 {
     private readonly IReadWrite _io;
     private readonly Board _board;
+    private int _moveCount;
 
     public Game(IReadWrite io)
     {
@@ -15,6 +16,31 @@ internal class Game
     {
         _io.Write(Streams.Introduction);
         
-        _io.WriteLine(_board);
+        do
+        {
+            _io.WriteLine(_board);
+            _io.WriteLine();
+        } while (PlayMove());
+
+        _io.WriteLine(Formats.Results, _moveCount, _board.Count);
+    }
+
+    private bool PlayMove()
+    {
+        while (true)
+        {
+            var from = (int)_io.ReadNumber(Prompts.From);
+            if (from == 0) { return false; }
+
+            var move = new Move { From = from, To = (int)_io.ReadNumber(Prompts.To) };
+
+            if (_board.TryMove(move)) 
+            { 
+                _moveCount++;
+                return true; 
+            }
+
+            _io.Write(Streams.IllegalMove);
+        }
     }
 }