f5+ Kxf5 Qe4#
Posts by Seki (関 勝寿)
Rxe4+ Kxe4 Qe3+ Kxe3 draw
Rxd5 Qxd5 Rd1
Qxf8+ Rxf8 Rxh7+ Kxh7 Rh1+
Qxf3+ Kxf3 Ne3 Kxe3 h2
Nf6 Bxe6+ Kh8 Qh3 Rxd2
Qd6+ Kg8 Rxg7+ Kxg7 Qh6+ Kg8 Qh8#
Kf3
Rb6 Rd8 Ke2
Ne7+ Kh8 Rxh7+ Kxh7 Rh1+
g5+ fxg5 hxg5+ Kxg5 Rdg8+
if Kf6, Rh6+ Ke7 Qe4+ Kf7 Qd5+ Ke7 Re8#
if Kf4, Rf8+ Kg5 Qd5+ Kg6 Qf7+ Kg5 Qf6#
Ng4+ Rxg4 Rf5+ Kxf5 Rd5#
Rxf7+ Kg8 Rg7+ Kh8 Rg6+
Nb5 Qc6 Bxd3
Kf7 Be7 c5+ Kd7 c6+ Kd8 c7+ Kd7 c8=Q Kxc8 Kxe7
Rh2+ Rxh2 gxh2+ Kxh2 Qh4+ Kg2 Rg8+ Kf3 Qh3+ Ke2 Rg2+ Kd1 Rg1+ Ke2 Rxa1
Rxg7+ Kh8 Rxg8+ Kxg8 Rg1+
Qxg2+ Kd3 e4#
Rxe5 Qxe5 Qxd7
Ne7+ Kh8 Ng6+ hxg6 hxg3+
Bxf2+ Kxf2 Ng4+ Kg1 Ne3
Rd2+ Kh3 Rd3+ Kg2 Rb2+ Kf1 Rd1#
Bxa6 Bxa6 Nd5 f6 Nxc7+ Kf7 Nxa6
maybe Bf4+ Bxf4 Nxd5?
Oh, right. Bxf3 is needed
Bxg3 fxg3 Qd4+
Bxf2+ Kxf2 Ng4+ Kg1 Ne3
Bxd6 Rxd6 Ke7 Rd3 Rxc8
Rxf8+ Bxf8 Qf1
Nxd5 Bxh7+ Kxh7 Qh5+ Kg8 dxe5 Bc5