闪击：马到e4 (c3)
li-04lFX命名标签 (格·N)战术主题
闪击：一子闪开，另一子的攻击随之而来。
难度1153 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 g1, 后 d2, 车 a1 f1, 象 c1 g2, 马 c3 f3, 兵 a2 f2 h2 b3 e3 g3 c4 d4。
黑方：王 g8, 后 d8, 车 a8 f8, 象 c2 g7, 马 b4 e4, 兵 d6 g6 a7 b7 c7 e7 f7 h7。
棋盘上有16枚白棋和16枚黑棋；该题局面出现在第11回合之后。
The position in numbers
Material is level — 39 points of pieces on each side (pawn = 1, knight and bishop = 3, rook = 5, queen = 9).
The white king stands on g1, the black king on g8.
It is White to move on move 11, with 31 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 8 pawns, Black 8. No file is fully open, so the heavy pieces have to be pried in.
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
11. Nxe4 Bxe4 12. Qxb4
为何奏效
- 好棋！马到e4保持压力（+4.3）。
- 好棋！后到b4保持压力（+4.3）。
- 你赢得一子——马。
- 若改走Bxe4，则Qxb4，你赢得马。
Move by move
- 11. Nxe4 — 马 to e4 (capture)
- Bxe4 — 象 to e4 (capture)
- 12. Qxb4 — 后 to b4 (capture)
本题的题型
腾挪
带着先手把自己的子挪开，为决定性一击腾出线路。
让路：决定性打击被你自己的棋子挡住了——那就把它挪开，甚至干脆送掉。关键是带节奏地让路：闪开时带着将军、吃子或威胁，让对手来不及重新布防。识别特征：你看到后或车有一记好杀招，但需要的线路或格子被自己的棋子占着。别舍不得——让路的弃子通常比错失的攻势便宜得多。
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 007
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