2步杀:车到d4 (e4)
li-06cyh命名标签 (格·N)战术主题
两步将杀:第一步制造无法化解的威胁,第二步完成将杀。
难度1774 ShuffleRating——适合进阶战术爱好者。
黑方走棋——找出最佳续着
How to recognize this tactic
Mate in two usually opens with a forcing move — a check, a capture or an unstoppable threat — that strips the king of squares or defenders, so the follow-up mate becomes unavoidable. Look for the first move that leaves the opponent only losing replies.
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 d2, 车 e2 b5, 兵 a2 b2 f2 h3。
黑方:王 g8, 车 c4 e4, 兵 f4 a5 f7 h7。
棋盘上有7枚白棋和7枚黑棋;该题局面出现在第31回合之后。
The position in numbers
Material is level — 14 points of pieces on each side (pawn = 1, knight and bishop = 3, rook = 5, queen = 9).
The white king stands on d2, the black king on g8.
It is Black to move on move 31, with 26 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 4 pawns, Black 4. Files fully open (no pawns of either colour): c, d, e, g — natural highways for the rooks and queen. Half-open for Black: b.
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
31... Red4+ 32. Ke1 Rc1#
为何奏效
- 好棋!车到d4保持压力(#1)。
- 好棋!车到c1保持压力(#)。
- 该变着以2步强制将杀结束。
- 若改走Ke1,则Rc1#,即被将杀。
Move by move
- 31… Red4+ — 车 to d4 with check
- 32. Ke1 — 王 to e1
- Rc1# — 车 to c1 and it is checkmate
本题的题型
两步杀
两步之内的强制将杀。
两步杀:你走一步,对方任意应一步,然后是致命一击。从最强制的首着开始:将军和弃子,把对手的选择压到最少。对他的每一种应法,你都必须备好将杀——所有回应都要检查,一个不漏。常见的失误是算清了漂亮的防守,却忘了那个平淡无奇的。
车残局
最常见的残局——一切取决于子力的活跃度。
车残局是实战中最常见的残局:盘上是车和兵。第一法则是积极性:站在通路兵身后的车,胜过消极守兵的车。正确计划的标志——你的车在攻击什么,而不是在看守什么。错误做法是把车锁死在护兵岗位上:常常宁可丢一兵,也要保住活跃的车和活跃的王。
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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