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：车到e7 (e1·2)
2步杀：兵到c5
2步杀：车到c5
2步杀：后到h6 (e3·2)
攻击未易位的王：车到d8 (d5·2)
2步杀：兵到h6
2步杀：车到e7 (e1·3)
攻击未易位的王：后到f6 (a1·6)
2步杀：车到b7 (b8·3)
2步杀：车到f8 (f1·5)
1步杀：车到c1 (c2)
2步杀：车到e8 (e7)
1步杀：车到h4 (h3)
2步杀：后到d6 (g3)
1步杀：车到h3 (f3·2)
1步杀：后到g1 (e3)
2步杀：车到h4 (f4·2)
攻击未易位的王：后到e5 (h8)
2步杀：马到e6 (d4·4)
2步杀：王到g4
制胜一击：马到f6 (g4·8)
制胜一击：后到c5 (a5·3)
制胜一击：后到d7 (a7·2)
2步杀：车到d1 (b1)
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