开局中等最古老可靠的开局之一关键着法1. e42. e53. ♘f34. ♞c65. ♗b587654321♜♝♛♚♝♞♜♟♟♟♟♟♟♟♞♗♟♙♘♙♙♙♙♙♙♙♖♘♗♕♔♖abcdefghr1bqkbnr/pppp1ppp/2n5/1B2p3/4P3/5N2/PPPP1PPP/RNBQK2R b KQkq - 3 3← 后翼弃兵📖 Article法兰西防御 →