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：车到g7 (g1·6)
3步杀：后到f7 (g6)
3步杀：车到b7 (c7·4)
3步杀：车到a8 (c8)
攻击未易位的王：后到e7 (e3·6)
3步杀：车到c7 (c4·3)
3步杀：后到f6 (g7·5)
攻击未易位的王：象到a7 (b6)
3步杀：车到e7 (e6·4)
3步杀：后到h2 (h5·2)
2步杀：闪击，f5
3步杀：兵到h6 (h7)
2步杀：闪击，h3
1步杀：后到d5 (e5)
2步杀：兵到g7
2步杀：车到g6 (f6·2)
3步杀：马到b4 (c6)
2步杀：后到f1 (b5·3)
3步杀：车到g6 (b6)
2步杀：后到f3 (e3)
攻击未易位的王：后到e5 (c3·5)
3步杀：后到g6 (b1·5)
攻击未易位的王：后到a6 (c4·2)
2步杀：车到b4 (b8)
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