Chess960 战术题：天梯杀
两个重子一线一线地推进，切断所有退路。
1518 道题
3步杀：后到f6 (b2·2)
3步杀：马到f6 (d5)
2步杀：后到h8 (h7·6)
2步杀：后到d5 (g2·2)
2步杀：车到f3 (f6)
3步杀：车到h7 (h1·4)
攻击未易位的王：后到d6 (d1·7)
3步杀：后到g7 (d4·2)
3步杀：车到d7 (d1·6)
3步杀：车到b7 (c7)
攻击未易位的王：后到e7 (b7)
3步杀：马到f6 (e4·3)
3步杀：后到c5 (b4)
3步杀：后到b5 (b3)
3步杀：后到b5 (b4·2)
3步杀：后到c7 (c4·2)
3步杀：象到h5 (f3·2)
3步杀：车到b7 (b5·3)
3步杀：车到d8 (c8·2)
2步杀：后到c7 (c1·2)
攻击未易位的王：车到e7 (g7·2)
3步杀：车到d7 (d1·7)
3步杀：车到b7 (b5·4)
3步杀：车到d7 (d1·8)
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