攻击未易位的王:马到b7 (c5·11)
sf-u-0092命名标签 (格·N)战术主题
未易位的王:对方的王还困在中路——趁它易位之前发起进攻。
一步将杀:找到让对方王无路可逃的一着棋。
960特色:利用与众不同的初始布局。
难度620 ShuffleRating——适合初学者迈出Chess960战术的第一步。
白方走棋——找出最佳续着
How to recognize this tactic
An uncastled king in the centre is a standing target. Look for ways to open the central files and diagonals against it with checks and threats before it can shelter — every tempo the king spends in the middle is a chance for a combination.
A mate in one hides among forcing checks. Run through every check you can give: does it cover all the king's escape squares, is the checking piece safe or supported, and can nothing block or capture it? If yes, that is the mate.
In Chess960 the pieces start on unfamiliar squares, so tactics appear earlier and from unusual angles. Do not trust classical patterns — read the actual lines of the bishops, the rooks and the queen from where they really stand in this position.
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 d1, 后 f4, 车 c1 e1, 象 g1 h1, 马 c5, 兵 a2 b2 c2 d2 e2 g2 h2。
黑方:王 d8, 后 f8, 车 c8 e8, 象 g8 h8, 马 a8 b8, 兵 f5 a7 b7 c7 d7 e7 h7。
棋盘上有14枚白棋和15枚黑棋;该题局面出现在第6回合之后。
The position in numbers
Black are ahead by 3 points of material (35 against 38; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on d1, the black king on d8.
It is White to move on move 6, with 47 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 7 pawns, Black 7. No file is fully open, so the heavy pieces have to be pried in. Half-open for White: f.
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
6. Nxb7#
为何奏效
- 好棋!马到b7保持压力(#)。
- 该变着以1步强制将杀结束。
Move by move
- 6. Nxb7# — 马 to b7 (capture) and it is checkmate
本题的题型
闷杀
王被自己的子埋住——只有马能够到它。
闷杀:国王被自己的军队活活闷死——周围的格子全被己方棋子占据,而将杀由不需要开放线路的马完成。经典流程:马将军,国王躲进角落,弃后逼车堵死最后一格——马跳出,将杀。寻找被自己人围住的角落之王,以及一跳可达的马位。别心疼后:在这个图案里她只是替马开门。
唯一着法
其他任何一步都会输——找到唯一撑得住的那一步。
唯一着法:除了独一无二的那步棋,其余全输的局面。这里不能「顺手」下棋:把原则上不同的防守都过一遍——逃跑、垫挡、兑换、反击——再淘汰被驳倒的。这类题目的标志:显而易见的着法很快就输,而正解常常看起来古怪。先弄清威胁你的究竟是什么——那步唯一的防守自会现身。
中心之王
王从中路开局——风暴第一个找上它。
中心的王:在 Chess960 中君主可能就在 d 线或 e 线上出发,正处主攻方向,攻击能赶在他易位之前够到他。识别特征:对方的王还站在中央的初始格上,而通向他的直线正在打开。要争取撕开中心——这里弃一个兵通常是值得的。若困在中心的是你的王——抓住第一个机会易位。
来源
挖掘自项目引擎的自对弈对局。
经 Stockfish 深度 20+ 验证。
解法强制性已确认(verified)。
题包 001
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