1步杀:后到d8 (f6)
li-07ygB命名标签 (格·N)战术主题
一步将杀:找到让对方王无路可逃的一着棋。
难度1732 ShuffleRating——适合进阶战术爱好者。
白方走棋——找出最佳续着
How to recognize this tactic
A mate in one hides among forcing checks. Run through every check you can give: does it cover all the king's escape squares, is the checking piece safe or supported, and can nothing block or capture it? If yes, that is the mate.
General method: before you move, list the forcing candidates — every check, every capture, every direct threat — and calculate those first. The solution to a tactic is almost always among them.
棋盘上的局面
白方:王 h3, 后 f6, 象 e5, 兵 d4 h4 g5。
黑方:王 f8, 后 b1, 兵 a3 b4 e4 e6 g6 f7。
棋盘上有6枚白棋和8枚黑棋;该题局面出现在第54回合之后。
The position in numbers
Material is level — 15 points of pieces on each side (pawn = 1, knight and bishop = 3, rook = 5, queen = 9).
The white king stands on h3, the black king on f8.
It is White to move on move 54, with 24 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 3 pawns, Black 6. Files fully open (no pawns of either colour): c — natural highways for the rooks and queen. Half-open for White: a, b, e, f.
The White king has 4 empty squares to step to right now — the fewer they are, the closer a mating net.
解答与讲解
主要变着
54. Qd8#
为何奏效
- 好棋!后到d8保持压力(#)。
- 该变着以1步强制将杀结束。
Move by move
- 54. Qd8# — 后 to d8 and it is checkmate
本题的题型
一步杀
一步将杀——把它找出来。
一步杀:组合已经落幕,只剩最后一发精准的子弹。方法很简单——列出你所有的将军,对每一个检验国王的三条生路:逃跑、垫挡、吃掉将军者。三条都行不通,那就是将杀。典型错误是爱上找到的第一个将军,漏掉那扇唯一的逃生小窗。
后残局
开放棋盘上的皇后大战——精确高于一切。
后残局阴险难测:后无处不达,一个不准就把胜势变成长将和棋。主题特征:兵很少、王暴露、连环将军的味道飘在空中。提前把王藏好,并利用自己的将军带节奏地调后靠近、或推进通路兵。错误做法是只顾吃兵,把王丢给无穷无尽的将军。
来源
源自 Lichess 题库(CC0)。
经 Stockfish 深度 20+ 验证。
解法强制性已确认(verified)。
题包 013
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