闪击：兵到g5
li-04Utd战术主题
闪击：一子闪开，另一子的攻击随之而来。
难度1237 ShuffleRating——俱乐部棋手水平。
白方走棋——找出最佳续着
How to recognize this tactic
A discovered attack fires when one piece steps aside and unmasks the piece behind it. Look for your own units that block a rook, bishop or queen: moving the front piece — ideally with a threat of its own — springs two attacks in one move.
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 h4, 车 f3, 马 e5, 兵 h2 a3 g3 f4。
黑方：王 f5, 后 f1, 兵 d5 g5 c6 h6。
棋盘上有7枚白棋和6枚黑棋；该题局面出现在第45回合之后。
The position in numbers
Black are ahead by 1 points of material (12 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 h4, the black king on f5.
It is White to move on move 45, with 2 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): b, e — natural highways for the rooks and queen. Half-open for White: c, d.
The White 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
45. fxg5+ Qxf3 46. Nxf3
为何奏效
- 好棋！兵到g5保持压力（+5.4）。
- 好棋！马到f3保持压力（+5.8）。
- 你赢得一子——后。
- 若改走Qxf3，则Nxf3，你赢得后。
Move by move
- 45. fxg5+ — 兵 to g5 (capture) with check
- Qxf3 — 后 to f3 (capture)
- 46. Nxf3 — 马 to f3 (capture)
本题的题型
闪将
移动的子闪出将军——它自己趁机可以随便吃子。
闪将：棋子走开，露出身后远程棋子的将军。在国王忙于应将的时候，刚才移动的棋子可以为所欲为、毫发无损——哪怕顺手吃掉皇后。寻找与敌王同线的己方远程棋子，且两者之间恰好隔着一枚你的棋子。规则很简单：在所有可选的闪开方式中，挑那个能吃到或攻击到最贵目标的。
后残局
开放棋盘上的皇后大战——精确高于一切。
后残局阴险难测：后无处不达，一个不准就把胜势变成长将和棋。主题特征：兵很少、王暴露、连环将军的味道飘在空中。提前把王藏好，并利用自己的将军带节奏地调后靠近、或推进通路兵。错误做法是只顾吃兵，把王丢给无穷无尽的将军。
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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