攻击未易位的王:车到f1 (h1)
sf-u-0143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。
制胜战术:有一步棋能取得决定性优势——找到它。
960特色:利用与众不同的初始布局。
难度780 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.
This position hides a concrete tactic that wins material or mates. Start with the most forcing candidate moves — checks, captures and threats — and calculate each to a clear end before choosing; the winning line is usually the one the opponent cannot meet.
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 b1, 后 b8, 车 h1, 象 h5, 马 a1 b3, 兵 a2 b2 c2 d2 g2 e4。
黑方:王 d8, 后 f1, 车 h8, 马 a4 c8, 兵 c4 e5 d6 b7 g7 h7。
棋盘上有12枚白棋和11枚黑棋;该题局面出现在第18回合之后。
The position in numbers
White are ahead by 3 points of material (29 against 26; 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 d8.
It is White to move on move 18, with 3 legal replies to weigh — only the line that keeps the advantage solves the puzzle. White are in check right now, so every reply must answer the check.
White keeps 6 pawns, Black 6. Files fully open (no pawns of either colour): f — natural highways for the rooks and queen. Half-open for White: h.
The White 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
18. Rxf1 cxb3 19. Nxb3 Nb6 20. Na5
为何奏效
- 好棋!车到f1保持压力(+10.1)。
- 好棋!马到b3保持压力(+11.2)。
- 好棋!马到a5保持压力(#5)。
- 你赢得一子——后。
- 若改走d5,则c3,你赢得后。
Move by move
- 18. Rxf1 — 车 to f1 (capture)
本题的题型
悬子
有个子没人保护——直接吃掉它。
悬子就是没有任何保护、可以白吃的棋子。听起来太初级,可业余棋局的多数胜负正是这样决定的。养成习惯:每步棋之前扫一遍全盘,标出所有无保护的棋子——自己的和对方的。典型的错误是在只需弯腰捡礼物的地方,苦苦寻找华丽的组合。
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。
解杀
杀棋已成威胁——化解它并保持优势。
解杀:对手离将杀只差一步——但现在轮到你走,这改变了一切。寻找既解除杀棋威胁又保住你优势的防守:常常是一步将军或反威胁,让对方腾不出手来做杀。先准确说出对方要在哪个格子将杀你——否则就是蒙着眼防守。错误做法是走一步实际并没有解除威胁的「防守」。
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 003
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