解救王到h1
li-0DSjF战术主题
解救棋子:你的棋子正受攻击——找到最佳解救方法。
难度1965 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
Here the task is defensive: one of your pieces is under attack and must be rescued without losing more. Look for a move that saves it with tempo — a counter-check, an equal counter-attack or an interposition — rather than a passive retreat.
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 f8, 兵 g2 h3 d6 e7。
黑方:王 h7, 后 c5, 兵 b5 h6 a7 g7。
棋盘上有6枚白棋和6枚黑棋;该题局面出现在第42回合之后。
The position in numbers
Black are ahead by 4 points of material (9 against 13; 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 h7.
It is White to move on move 42, with 4 legal replies to weigh — only the line that keeps the advantage solves the puzzle. White are in check right now, so every reply must answer the check.
White keeps 4 pawns, Black 4. Files fully open (no pawns of either colour): c, f — natural highways for the rooks and queen. Half-open for White: a, 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
42. Kh1 Qxd6 43. e8=Q Qd1+ 44. Kh2
为何奏效
- 好棋!王到h1保持压力(+5.6)。
- 好棋!兵到e8保持压力(+5.8)。
- 好棋!王到h2保持压力(+6.0)。
- 你赢得决定性子力(+6.0)。
- 若改走Qxd6,则e8=Q,你赢得兵。
Move by move
- 42. Kh1 — 王 to h1
- Qxd6 — 后 to d6 (capture)
- 43. e8=Q — 兵 to e8
- Qd1+ — 后 to d1 with check
- 44. Kh2 — 王 to h2
本题的题型
升变
兵冲到底线升变为后——一锤定音。
升变:兵抵达底线变成后,整个局面的评估瞬间改写。在战术中,通路兵很少能白白走到底——通常要靠弃子为它开路。计算节奏:兵到升变格还差几步,防守方来得及拦截吗?还要盯住升变格本身——它必须在敌子够不着的地方,或能被你的组合强行夺下。
升变竞赛
双方都在冲通路兵——凭一个先手赢下这场竞赛。
升变竞赛是两枚通路兵的赛跑:双方都往底线冲,谁先成后、或成后时带将军,谁就赢。识别特征:双方都有王追不上的深入通路兵。要一步一步、逐个节奏地算到升变为止。典型错误是花一个节奏走「有用」的闲着:在赛跑中,几乎任何不推兵的棋都输。
救子
被攻击的子不但能救,还能顺手赚一笔。
救子:你的棋子被攻击,任务是别白白送掉它。办法有几种:带节奏地撤退、加以保护、垫挡攻击,或制造更凶的对攻威胁。机械后撤之前,先找带反击的撤退——既救了子又赚了时间。典型错误是惊慌失措逃到随便一个格子,结果棋子又被抓住。
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 014
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