升变为象可胜,变马刚好胜不了
而且不好赢
软件分析为26步杀(约)
g8B Kg7
Bc4 Kf6
Ng4+ Kg7
Bd5 Kg6
Be4+ Kf7
Ne5+ Kg8
Kg5 Kg7
Kf5 Kf8
Kf6 Ke8
Bxh7
然后马象杀王
... Kd8
Be4 Ke8
Bd5 Kf8
NG6+ Ke8
Bc6+ Kd8
Ne5 Kc8
Ke7 Kc7
Bd7 Kb6
Kd6 Ka5
Kc5 Ka6
Nc4 Kb7
Kd6 Ka6
Kc7 Ka7
Bc8 Ka8
Ne5 Ka8
Nc6+ Ka8
Bb7#