1步杀：马到f7
li-04s0y战术主题
悬子：对方有棋子无人保护——吃掉它。
一步将杀：找到让对方王无路可逃的一着棋。
难度658 ShuffleRating——适合初学者迈出Chess960战术的第一步。
白方走棋——找出最佳续着
How to recognize this tactic
A hanging piece is one that is attacked and not defended, or defended too few times. Count attackers against defenders on each enemy unit; where attackers win, take it — often with an in-between move or a check to gain the extra tempo.
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, 车 a1 f1, 象 e4, 马 g5, 兵 a2 b2 f2 c4 d4 g4 h4 e5。
黑方：王 h6, 后 c7, 车 f7 a8, 象 g7, 马 a6, 兵 h5 b6 c6 e6 a7 d7。
棋盘上有13枚白棋和12枚黑棋；该题局面出现在第26回合之后。
The position in numbers
Black are ahead by 7 points of material (24 against 31; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on g1, the black king on h6.
It is White to move on move 26, with 36 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 8 pawns, Black 6. No file is fully open, so the heavy pieces have to be pried in.
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
26. Nxf7#
为何奏效
- 好棋！马到f7保持压力（#）。
- 该变着以1步强制将杀结束。
Move by move
- 26. Nxf7# — 马 to f7 (capture) 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。
悬子
有个子没人保护——直接吃掉它。
悬子就是没有任何保护、可以白吃的棋子。听起来太初级，可业余棋局的多数胜负正是这样决定的。养成习惯：每步棋之前扫一遍全盘，标出所有无保护的棋子——自己的和对方的。典型的错误是在只需弯腰捡礼物的地方，苦苦寻找华丽的组合。
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 001
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