1步杀:马到h6 (g4·3)
li-007QU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1015 ShuffleRating——俱乐部棋手水平。
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 g1, 后 c2, 车 d1 b3, 象 e5, 马 g4, 兵 a2 g2 h2 c3 e3 f3 d4。
黑方:王 g8, 后 d8, 车 c8 f8, 象 b7, 马 c4, 兵 b5 d5 f5 g5 a6 e6 h7。
棋盘上有13枚白棋和13枚黑棋;该题局面出现在第23回合之后。
The position in numbers
Material is level — 32 points of pieces on each side (pawn = 1, knight and bishop = 3, rook = 5, queen = 9).
The white king stands on g1, the black king on g8.
It is White to move on move 23, with 42 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 7 pawns, Black 7. No file is fully open, so the heavy pieces have to be pried in. Half-open for White: b.
The White king has 3 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
23. Nh6#
为何奏效
- 好棋!马到h6保持压力(#)。
- 该变着以1步强制将杀结束。
Move by move
- 23. Nh6# — 马 to h6 and it is checkmate
本题的题型
马杀
马以它独一无二的角度送出致命一击。
马杀:最后一击由马完成——它是唯一无法用垫挡化解将军的棋子。正因如此,马对被挤住的国王格外致命:只有走王或吃掉马本身才有救。识别特征:国王周围的格子被占据或受控,而存在一个马能安然无恙地跳过去将军的格子。提前把马调往前线:它比远程棋子慢,但它的打击无法招架。
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。
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 006
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