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1. Qh6 Rg8 2. Qxh7+ Kxh7 3. Rh1#

1. Rxg2+ Kxg2 2. Rg8+ Kh2 3. Bxf2 Qe3 4. Bxe3 Rf3 ... 6 moves

1. Ne7+ Qxe7 2. Qxe7 Bxh3 3. gxh3 a6 4. Bg5 b5 ... 25 moves

1. Kd4 Ra5 2. Kc4 Kf6 3. Kb4 Ra1 4. Kb5 Rb1+ ... 38 moves

1. Kd4 Ra5 2. Kc4 Kf6 3. Kb4 Ra1 4. Kb5 Rb1+ ... 34 moves

1. Kf5 Kg8 2. Ra4 Be1 3. Kg6 Kf8 4. Rf4+ Ke7 ... 27 moves

1. g7 Kh7 2. Rf7 Bb2 3. g8=Q+ Kxg8 4. Kg6 Bh8 ... 18 moves

1. Bg1 Rf1 2. Bh2 Rh1 3. Bg3 Rh3 4. Bf4 Rf3 ... 32 moves

1. Rd2 Kc5 2. Rd7 Rg2 3. Rxg7 Kd6 4. Rf7 Rg1 ... 47 moves

1. Kf3 Ke6 2. Ke4 Kd7 3. Kd5 Kc7 4. Bd4 Kb8 ... 29 moves

1. Qb7 Qxb7+ 2. Kxb7 Kg2 3. g4 Kf2 4. d3 Ke3 ... 30 moves

1. Rd2+ Ke7 2. Rd4 Ra2 3. Kc7 Rc2+ 4. Kb6 Rb2+ ... 30 moves