611. diagram: 1.-Be3+ 2. Kxe3 Vd3# 0-1
612. diagram: 1. Vxg7+!! Kxg7 2. Bf7+ Kh6 3. Bxh7# 1-0
Bxg7 2. Bf8+ Bg8 3. g7# 1-0
613. diagram: 1. He6+! Hxe6 2. Ve7+ Kg8 3. Ve8+ Hf8 4. He7# 1-0
Fxe6 2. Ve7+ Kg8 3. Ve8# 1-0
616. diagram: 1. Bh6# 1-0
617. diagram: 1.-Bxh2+ 2. Kxh2 Vh4# 0-1
618. diagram: 1. Vxc7+ Bxc7 2. Bxd8+ Bc8 3. Bxc8# 1-0
619. diagram: 1. gxh6# 1-0
620. diagram: 1.-Fd4+ 2. Kf1 / Kh1 2.-Bg1# 0-1