1步杀:车到e1 (a1)
li-01i3C命名标签 (格·N)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677 ShuffleRating——适合初学者迈出Chess960战术的第一步。
黑方走棋——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 b5, 象 g3, 马 e1, 兵 f2 g2 h2 c3 d4。
黑方:王 g8, 车 a1, 象 e4, 马 g6, 兵 e6 h6 c7 f7 g7。
棋盘上有9枚白棋和9枚黑棋;该题局面出现在第24回合之后。
The position in numbers
Material is level — 16 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 Black to move on move 24, with 36 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 5 pawns, Black 5. Files fully open (no pawns of either colour): a, b — natural highways for the rooks and queen. Half-open for Black: d.
The Black 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
24... Rxe1#
为何奏效
- 好棋!车到e1保持压力(#)。
- 该变着以1步强制将杀结束。
Move by move
- 24… Rxe1# — 车 to e1 (capture) and it is checkmate
本题的题型
底线杀
王被自己的兵关在里面——重子直捣底线。
底线杀:国王被自己一排未动的兵关在后面,车或后突入底线一锤定音。识别特征:王前的兵没动过、没有通气口,底线只有一个守卫,甚至无人看守。常见手法是先引开或兑掉那个孤独的哨兵,再沿线突击。在自己的对局中要及时开气孔:一步兵着就能免除一场突发灾难。
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。
残局战术
残局里同样有战术——子力稀少时照样出击。
战术不会随着后的兑换而退休:捉双、牵制和双重攻击在残局里照样活跃。子力所剩无几,因此这里每一次战术损失几乎都直接定胜负。特征还是老几样:无保护的棋子、王与棋子同线、即将升变的兵。建议:即使在「纯技术」残局里,每步棋前也要搜一遍战术——自己的和对方的。
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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