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：兵到f3 (e2)
3步杀：车到b7 (b3)
3步杀：车到g7 (g6·2)
3步杀：后到b5 (c6)
3步杀：车到a8 (a1)
3步杀：兵到e5
3步杀：车到d1 (f1)
3步杀：车到b7 (b1·2)
3步杀：后到f8 (f7)
3步杀：后到d7 (d4)
2步杀：后到e5 (e4)
3步杀：后到f7 (f5·3)
3步杀：车到g8 (d8)
3步杀：后到c5 (c8)
3步杀：车到c1 (b1)
3步杀：后到b7 (b1)
3步杀：车到a5
3步杀：后到c8 (b7)
攻击未易位的王：后到h6 (d2·2)
攻击未易位的王：后到f6 (d4·5)
3步杀：车到d8 (a8)
3步杀：王到g2
3步杀：象到c4 (d3)
3步杀：车到h6 (h8)
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