牵制:车到e6 (e8)
li-01MhR命名标签 (格·N)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2061 ShuffleRating——专家水平——很少有人一次解出。
黑方走棋——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 h1, 后 g6, 车 a1, 象 f1, 马 c3 g3, 兵 b2 g2 h2。
黑方:王 h8, 后 b4, 车 e1 e8, 象 g4, 兵 g5 a6 c6 h6。
棋盘上有9枚白棋和9枚黑棋;该题局面出现在第31回合之后。
The position in numbers
Material is level — 26 points of pieces on each side (pawn = 1, knight and bishop = 3, rook = 5, queen = 9).
The white king stands on h1, the black king on h8.
It is Black to move on move 31, with 53 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 3 pawns, Black 4. Files fully open (no pawns of either colour): d, e, f — natural highways for the rooks and queen. Half-open for Black: b.
The Black king has 0 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
31... R8e6 32. Rxe1 Rxg6
为何奏效
- 好棋!车到e6保持压力(+3.7)。
- 好棋!车到g6保持压力(+3.9)。
- 你赢得一子——后。
- 若改走Rxe1,则Rxg6,你赢得后。
Move by move
- 31… R8e6 — 车 to e6
- 32. Rxe1 — 车 to e1 (capture)
- Rxg6 — 车 to g6 (capture)
本题的题型
静着
既不将军也不吃子——但正是这步不起眼的棋决定了胜负。
静着:既不将军也不吃子,却恰恰是它决定胜负——制造无法招架的威胁,或夺走国王最后的格子。这是最难的一类着法:眼睛总在搜寻轰鸣的重击,赢棋的却是一次低调的挪动。线索:所有强制尝试都撞上防守——那就找那步单纯加强威胁或抢占格子的棋。训练自己发问:如果不吃不将,只是静静地加强,会怎样?
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 015
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