Square currentPlayerSquare = [HERE] Player1 [HERE].Board.First(s => s.Number == currentPlayer.Position);
                Square otherPlayerSquare = [HERE] Player1 [HERE].Board.First(s => s.Number == otherPlayer.Position);

Square currentPlayerSquare = [HERE] Player1 [HERE].Board.First(s => s.Number == currentPlayer.Position);
                Square otherPlayerSquare = [HERE] Player1 [HERE].Board.First(s => s.Number == otherPlayer.Position);

public void PerformSwap(PlayerViewModel currentPlayer, Canvas canvas)
        {
            // Hitta en annan spelare att byta plats med
            var otherPlayer = Players.FirstOrDefault(p => p != currentPlayer && p.Position > 0 && p.Position <= 100);
            int otherPLayerposition = otherPlayer.Position; // det har lades till
            int currentplayerposition = currentPlayer.Position; // det har lades till

            if (otherPlayer != null)
            {
                // Byt plats på de två spelarna
                Square currentPlayerSquare = Player1.Board.First(s => s.Number == currentPlayer.Position);
                Square otherPlayerSquare = Player1.Board.First(s => s.Number == otherPlayer.Position);

                currentPlayer.Position = otherPLayerposition; // och detta 
                otherPlayer.Position = currentplayerposition; // och detta! 

                MovePieceToCanvasPosition(currentPlayer.GamePiece, otherPlayerSquare, canvas);
                MovePieceToCanvasPosition(otherPlayer.GamePiece, currentPlayerSquare, canvas);
            }


        }

public void PerformSwap(PlayerViewModel currentPlayer, Canvas canvas)
        {
            // Hitta en annan spelare att byta plats med
            var otherPlayer = Players.FirstOrDefault(p => p != currentPlayer && p.Position > 0 && p.Position <= 100);
            int otherPLayerposition = otherPlayer.Position; // det har lades till
            int currentplayerposition = currentPlayer.Position; // det har lades till

            if (otherPlayer != null)
            {
                // Byt plats på de två spelarna
                Square currentPlayerSquare = Player1.Board.First(s => s.Number == currentPlayer.Position);
                Square otherPlayerSquare = Player1.Board.First(s => s.Number == otherPlayer.Position);

                currentPlayer.Position = otherPLayerposition; // och detta 
                otherPlayer.Position = currentplayerposition; // och detta! 

                MovePieceToCanvasPosition(currentPlayer.GamePiece, otherPlayerSquare, canvas);
                MovePieceToCanvasPosition(otherPlayer.GamePiece, currentPlayerSquare, canvas);
            }


        }