The Reti Opening

In this chess game you’ve provided, White resigned because of a forced sequence of moves that would result in the loss of their queen, leading to an untenable position. Let’s break down the key moments leading to White’s resignation: After 17. b3, Black played , which is a brilliant tactical move. This knight fork attacks both White’s king on c3 and the queen on d2 simultaneously. White is left with only one legal move, 18. cxd5, capturing the knight with the pawn. However, this move creates a discovered check, as the Black bishop on b4 is now attacking the White king on c3 when the d5 pawn moves. Black follows up with , a powerful discovered check from the Black queen. The White king has only one legal move, which is 19. Kd2. Now, Black plays , delivering another check from the queen. The White king is forced to move to c1. Black then plays #, which is a checkmate. The White king has no legal moves, and it is in checkmate. White resigned a