引离:后到c5
li-01r7u战术主题
引离:迫使防守的棋子离开岗位。
难度1726 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
Deflection drags a defender away from its duty. Identify the enemy piece that guards a key square or mate, then force it to move — with a check, a capture or a threat it must answer — and strike where it no longer defends.
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 e2, 后 a3, 车 e5, 兵 a2 f2 g3 d4。
黑方:王 c6, 后 h1, 车 h2, 马 d5, 兵 a6 g6 b7 f7 g7。
棋盘上有7枚白棋和9枚黑棋;该题局面出现在第33回合之后。
The position in numbers
Black are ahead by 4 points of material (18 against 22; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on e2, the black king on c6.
It is White to move on move 33, with 27 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 4 pawns, Black 5. Files fully open (no pawns of either colour): c, e, h — natural highways for the rooks and queen. Half-open for White: b.
The White king has 2 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
33. Qc5+ Kd7 34. Rxd5+ Qxd5 35. Qxd5+
为何奏效
- 好棋!后到c5保持压力(+6.2)。
- 好棋!车到d5保持压力(+6.5)。
- 好棋!后到d5保持压力(+6.7)。
- 你赢得一子——后。
- 若改走Kd7,则Rxd5+,你赢得马。
Move by move
- 33. Qc5+ — 后 to c5 with check
- Kd7 — 王 to d7
- 34. Rxd5+ — 车 to d5 (capture) with check
- Qxd5 — 后 to d5 (capture)
- 35. Qxd5+ — 后 to d5 (capture) with check
本题的题型
得利交换
在同一格上的一连串强制吃子,最后是你占便宜。
有利兑换:在同一格上进行强制的连环吃子,收尾时你多出子力。一切靠算术:数清该格的攻击者与防守者,记住吃子队列里每个棋子的价值。按正确顺序吃——先便宜的,后贵的,否则赚的买卖会变成亏本。典型错误是算到一半就停手,漏掉对方最后一次回吃。
连将追击
步步将军——把王一路追到必败之地。
连将追击:你的每一步都是将军,对手连一秒钟都腾不出来实施自己的计划。国王被赶着满盘跑,直到丢子或撞上致命一击。这类变化最容易计算:每次将军,王只有寥寥几种应法——全部枚举即可。养成习惯:任何尖锐局面的计算都从将军开始,它们是棋盘上最强制的着法。
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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