吃掉无保护的兵(h6)
li-03QFU战术主题
悬子:对方有棋子无人保护——吃掉它。
难度1735 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
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.
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, 后 f3, 车 d1, 象 d4, 马 h6, 兵 a2 b2 f2 g3 c4 h4。
黑方:王 g8, 后 b7, 车 e8, 象 f8, 马 e4, 兵 a5 c5 f7 g7 h7。
棋盘上有11枚白棋和10枚黑棋;该题局面出现在第26回合之后。
The position in numbers
White are ahead by 1 points of material (26 against 25; 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 g8.
It is Black to move on move 26, with 2 legal replies to weigh — only the line that keeps the advantage solves the puzzle. Black are in check right now, so every reply must answer the check.
White keeps 6 pawns, Black 5. Files fully open (no pawns of either colour): d, e — natural highways for the rooks and queen. Half-open for Black: b.
The Black king has 1 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... gxh6 27. Qg4+ Ng5
为何奏效
- 好棋!兵到h6保持压力(+2.8)。
- 好棋!马到g5保持压力(+3.0)。
- 你赢得一子——马。
- 若改走Qg4+,则Ng5,你赢得马。
Move by move
- 26… gxh6 — 兵 to h6 (capture)
- 27. Qg4+ — 后 to g4 with check
- Ng5 — 马 to g5
本题的题型
制胜一击
找到那记强制得子的妙击。
制胜一击:强制赢得子力,却不归入任何单一的教科书主题。通用的战术配方在此适用:找出无保护的棋子、站位别扭的国王、超载的线路。按力度顺序枚举强制着法:将军、吃子、威胁——绝大多数组合正是从其中之一开始。不要凭感觉评估:把具体变化算到结果确凿无疑为止。
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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