闪击:车到h6
li-05LmX战术主题
闪击:一子闪开,另一子的攻击随之而来。
难度2259 ShuffleRating——专家水平——很少有人一次解出。
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 e4, 车 g6, 兵 f6。
黑方:王 h8, 车 c6, 兵 b5 h6。
棋盘上有3枚白棋和4枚黑棋;该题局面出现在第52回合之后。
The position in numbers
Black are ahead by 1 points of material (6 against 7; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on e4, the black king on h8.
It is White to move on move 52, with 17 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 1 pawns, Black 2. Files fully open (no pawns of either colour): a, c, d, e, g — natural highways for the rooks and queen. Half-open for White: b, h.
The White king has 8 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
52. Rxh6+ Kg8 53. f7+ Kxf7 54. Rxc6
为何奏效
- 好棋!车到h6保持压力(#19)。
- 好棋!兵到f7保持压力(#17)。
- 好棋!车到c6保持压力(#15)。
- 你赢得一子——车。
- 若改走Kg8,则f7+,你仍占优。
Move by move
- 52. Rxh6+ — 车 to h6 (capture) with check
- Kg8 — 王 to g8
- 53. f7+ — 兵 to f7 with check
- Kxf7 — 王 to f7 (capture)
- 54. Rxc6 — 车 to c6 (capture)
本题的题型
闪击
一个子闪开,让后面的子发起第二重攻击。
闪击就像拉开幕布:一个棋子离开直线,露出身后的远程棋子发动打击。妙处在于,走开的那个棋子自己还能攻击第二个目标——一步棋,两记重拳。检查你的叠置组合:马或兵的身后站着象或车,透过它们瞄准对方值钱的东西。前面的棋子要跳到最有攻击性的格子——没有第二威胁的闪击损失一半威力。
通路兵
通路兵已无人能挡——护送它冲到底线。
通路兵:前方和相邻两列都没有敌兵的兵——能拦住它的只有棋子。查一查谁能堵在它路上、谁的王能追上它——如果谁也不能,它就值一整个子。推进通路兵要有棋子支援,车要放在它身后。新手的错误是毫无支援地把兵直推到对方嘴边。
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)。
题包 015
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