Chess960 战术题：护卫后杀
皇后贴脸将杀，身后有自己人保护。
3268 道题
3步杀：后到b8 (e5·2)
3步杀：后到c8 (c1·2)
攻击未易位的王：后到f5 (g4)
3步杀：后到g7 (d7)
3步杀：后到h5 (d1·4)
3步杀：车到f3 (f2)
3步杀：后到e8 (g6·2)
3步杀：兵到c8 (b7)
3步杀：马到d7 (b8)
3步杀：马到b7 (a5·4)
3步杀：车到b8 (a8·2)
3步杀：后到d8 (g5·3)
3步杀：车到b7 (b1·3)
3步杀：后到c6 (f6·3)
攻击未易位的王：后到e8 (e4·7)
3步杀：后到g5 (e7·2)
3步杀：车到b7 (b8·3)
3步杀：后到d4 (d5·2)
3步杀：后到h7 (g8)
攻击未易位的王：车到h8 (h7·8)
攻击未易位的王：后到f8 (f1·8)
3步杀：象到f6 (a1·4)
3步杀：车到b7 (f7)
攻击未易位的王：马到e6 (f4·12)
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