牵制:马到h5
li-04HsY战术主题
牵制:棋子一动,身后更有价值的目标就会暴露。
难度1004 ShuffleRating——俱乐部棋手水平。
白方走棋——找出最佳续着
How to recognize this tactic
A pin freezes a piece in front of a more valuable one behind it. Scan the ranks, files and diagonals your bishop, rook or queen controls: if an enemy piece cannot move without exposing its king or queen, it is pinned and can be piled on or bypassed.
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 g4, 车 b1 f1, 马 g3, 兵 a2 f2 g2 h2 b3。
黑方:王 g7, 后 f6, 车 c2 c8, 象 d5, 兵 b6 e6 g6 a7 f7。
棋盘上有10枚白棋和10枚黑棋;该题局面出现在第27回合之后。
The position in numbers
Material is level — 27 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 g7.
It is White to move on move 27, with 37 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 5 pawns, Black 5. Files fully open (no pawns of either colour): c, d — natural highways for the rooks and queen. Half-open for White: e.
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
27. Nh5+ Kf8 28. Nxf6
为何奏效
- 好棋!马到h5保持压力(+6.3)。
- 好棋!马到f6保持压力(+6.6)。
- 你赢得一子——后。
- 若改走Kf8,则Nxf6,你赢得后。
Move by move
- 27. Nh5+ — 马 to h5 with check
- Kf8 — 王 to f8
- 28. Nxf6 — 马 to f6 (capture)
本题的题型
王室捉双
带将军的捉双:王必须躲开,另一个子就丢了。
王家捉双是带将军的捉双:两个目标之一是国王本身。国王必须首先应将,因此没有人、也没有时间去救第二个棋子。寻找这样的格子:你的棋子从那里将军,同时攻击无保护的后或车。这是最可靠的捉双——对手根本没有选择的余地。
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 006
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