吃掉无保护的王（h7）
li-04YaR战术主题
悬子：对方有棋子无人保护——吃掉它。
困子：对方棋子无处可逃——抓住它。
难度1213 ShuffleRating——俱乐部棋手水平。
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 trapped piece has no safe square. Spot an enemy piece that has wandered offside or been hemmed in, then play the move that takes away its last escape and wins it — often a quiet pawn push or a covering minor piece.
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 g3, 车 e1 e2, 象 e5 h7, 兵 a2 b2 f2 h2 c3 d4。
黑方：王 g8, 后 g5, 车 f3 f8, 象 h3, 兵 g2 g4 d5 a6 c6。
棋盘上有12枚白棋和10枚黑棋；该题局面出现在第32回合之后。
The position in numbers
White are ahead by 4 points of material (31 against 27; 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 32, 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): e — natural highways for the rooks and queen. Half-open for Black: b, f, h.
White hold the bishop pair, an edge in open lines. The Black 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
32... Kxh7 33. Bd6 Rxg3
为何奏效
- 好棋！王到h7保持压力（+2.9）。
- 精彩！车到g3是成功的弃子：你占优胜势（+3.0）。
- 你赢得一子——后。
- 若改走Bd6，则Rxg3，你赢得后。
Move by move
- 32… Kxh7 — 王 to h7 (capture)
- 33. Bd6 — 象 to d6
- Rxg3 — 车 to g3 (capture)
本题的题型
困后
最强的子孤军深入——再也回不来了。
捉后：最强的棋子走得太远，找不到回家的路。最常见的剧本是后贪吃远处的兵——经典的毒兵。危险信号：后的退路很少，而对方的轻子一步步带着节奏把退路一一切断。用后在敌营吃兵之前，数一数她的逃生路线——少于两条，就按兵不动。
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 008
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