攻击未易位的王：后到f7 (b3·3)
sf-u-0300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850 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 g1, 后 b3, 车 a1 f1, 象 a2 e3, 兵 g2 h2 g3 a4 d4 e4。
黑方：王 f8, 后 d8, 车 a8 g8, 象 f3, 马 f4 f6, 兵 a5 c6 b7 e7 f7 g7 h7。
棋盘上有12枚白棋和14枚黑棋；该题局面出现在第13回合之后。
The position in numbers
Black are ahead by 4 points of material (31 against 35; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on g1, the black king on f8.
It is White to move on move 13, with 39 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 6 pawns, Black 7. No file is fully open, so the heavy pieces have to be pried in. Half-open for White: b, c, f.
White hold the bishop pair, an edge in open lines. The White king has 2 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
13. Qxf7#
为何奏效
- 好棋！后到f7保持压力（#）。
- 该变着以1步强制将杀结束。
Move by move
- 13. Qxf7# — 后 to f7 (capture) and it is checkmate
本题的题型
护卫后杀
皇后贴脸将杀，身后有自己人保护。
有保护的贴身后杀是最常见的将杀图案：后紧贴国王落子，因为有己方棋子或兵保护而成杀。国王无处可逃：吃后不行——那格有保护，而周围所有格子后亲自看管。寻找敌王旁边受保护的格子：有马、象或兵控制它，后的登陆就成了将杀。只需核实一件事：那个格子真有保护，否则国王会直接吃掉后。
一步杀
一步将杀——把它找出来。
一步杀：组合已经落幕，只剩最后一发精准的子弹。方法很简单——列出你所有的将军，对每一个检验国王的三条生路：逃跑、垫挡、吃掉将军者。三条都行不通，那就是将杀。典型错误是爱上找到的第一个将军，漏掉那扇唯一的逃生小窗。
未易位之王
王在中路磨蹭——惩罚这种拖延。
惩罚未易位的王：对手拖延易位——他的王困在出发格上挨打。在 Chess960 中这比古典棋更危险：王可能站在中央，也可能靠边，习惯的防守套路统统失灵。识别特征：受害者还保有易位权，而通向他王的直线已半开。要赶在国王藏好之前打开线路。
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 004
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