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
2步杀：后到c6 (a6·5)
2步杀：马到b6 (a4·6)
2步杀：车到g8 (g7·4)
2步杀：车到a8 (a7·8)
2步杀：车到f8 (f7·3)
2步杀：车到g8 (g7·5)
2步杀：象到d6 (b4·3)
2步杀：象到d6 (a3)
2步杀：车到f5 (f8·2)
2步杀：车到h7 (h4)
攻击未易位的王：车到g7 (c7)
2步杀：车到g7 (g5)
1步杀：后到d4 (a1)
2步杀：后到h6 (h5·2)
攻击未易位的王：象到h5 (e2·8)
3步杀：象到e5 (d6)
3步杀：车到g1 (e1)
3步杀：车到f7 (f3·2)
攻击未易位的王：车到c8 (c5·2)
3步杀：后到d4 (a1·3)
3步杀：兵到g8
3步杀：车到d8 (h8)
3步杀：后到b6 (c5·2)
3步杀：后到b8 (h2)
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