攻击未易位的王:车到b7 (b3·6)
c9-24641命名标签 (格·N)战术主题
960特色:利用与众不同的初始布局。
源自该 Chess960 起始局面的开局陷阱。
一枚子力从其 Chess960 起始格横扫全盘。
两步将杀:第一步制造无法化解的威胁,第二步完成将杀。
未易位的王:对方的王还困在中路——趁它易位之前发起进攻。
难度1450 ShuffleRating——俱乐部棋手水平。
白方走棋——找出最佳续着
How to recognize this tactic
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.
Early Chess960 traps punish natural but careless development. Look for a forcing move that exploits a piece the opponent has just placed on a poor square — a fork, a pin or a threat that wins material before either side is fully developed.
From some Chess960 setups a bishop or queen rakes a long diagonal straight from move one. Trace those long-range lines into the enemy camp: a single opened file or diagonal can create an immediate pin, skewer or mating threat.
Mate in two usually opens with a forcing move — a check, a capture or an unstoppable threat — that strips the king of squares or defenders, so the follow-up mate becomes unavoidable. Look for the first move that leaves the opponent only losing replies.
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.
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 b1, 后 f1, 车 c1 b3, 象 d1 e1, 马 g1 h1, 兵 b2 c2 d2 g2 h2 e3 a4。
黑方:王 b8, 后 f8, 车 a8 c8, 象 d6 e8, 马 g6 g8, 兵 f4 a7 b7 c7 d7 f7 g7 h7。
棋盘上有15枚白棋和16枚黑棋;该题局面出现在第6回合之后。
The position in numbers
Black are ahead by 1 points of material (38 against 39; pawn = 1, knight and bishop = 3, rook = 5, queen = 9) — the tactic has to convert or outweigh that.
The white king stands on b1, the black king on b8.
It is White to move on move 6, with 40 legal replies to weigh — only the line that keeps the advantage solves the puzzle.
White keeps 7 pawns, Black 8. No file is fully open, so the heavy pieces have to be pried in. Half-open for White: f.
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
6. Rxb7+ Kxb7 7. Qb5#
为何奏效
- 好棋!车到b7保持压力(#1)。
- 好棋!后到b5保持压力(#)。
- 该变着以2步强制将杀结束。
- 若改走Kxb7,则Qb5#,即被将杀。
Move by move
- 6. Rxb7+ — 车 to b7 (capture) with check
- Kxb7 — 王 to b7 (capture)
- 7. Qb5# — 后 to b5 and it is checkmate
本题的题型
肩章杀
王的两侧被自己的子像肩章一样夹住——杀着迎面而来。
肩章杀:国王站在自己两个棋子中间,像戴肩章的军官——最常见的是两侧的双车。两旁的格子被自己人占据,身后无路可退——后从正面贴脸将杀。识别特征:国王在边线横排上,同排两侧的相邻格都被己方棋子占据。请记住:紧贴国王的多余保镖,有时比没有保镖更致命。
远程首发
远程子力从不寻常的初始格出发,一击横贯整个棋盘。
远程首发:象、车或后直接从出发区域打穿整个棋盘。在 Chess960 中远程棋子站在陌生的位置上,一步兵着就可能打开直捣敌营深处的火线。开局阶段用目光描一遍每枚远程棋子的斜线和直线——自己的和对方的。错误做法是推兵之前不检查:这一步打开的是谁的线路?
两步杀
两步之内的强制将杀。
两步杀:你走一步,对方任意应一步,然后是致命一击。从最强制的首着开始:将军和弃子,把对手的选择压到最少。对他的每一种应法,你都必须备好将杀——所有回应都要检查,一个不漏。常见的失误是算清了漂亮的防守,却忘了那个平淡无奇的。
关于这个局面
这些棋子来自起始局面 #921。
SP-921 · RampartScout — 翼侧国王加一只边线马,且仅 72 个局面符合——所有模式中最稀有的。
王起始于 b1,两车在 a1 与 c1,后在 f1。
从 b1 出发,王走出 Chess960 短易位所能有的最长路程:五格到 g1。
两只象位于 d1 与 e1;只要 e 线兵与 d 线兵让路,它们的长斜线便可直达 h5 与 a5。
有一个第二横线的兵开局时完全无人保护:h2。
该摆法属于 RampartScout 家族;从右往左读,它就成为第 41 号局面。
引擎主变以 a4 开始。
莫罗佐夫均衡指数:89/100 — 等级 A — 最均衡。 引擎对起始局面的评估:白方 +14 厘兵(深度 44,400 000 000 节点)。
探索局面 #921来源
挖掘自项目引擎的自对弈对局。
题包 011 · SP-921
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