Nº 10 Martin Minski & Helmut Waelzel

Draw

Martin Minski & Helmut Waelzel(Germany)

wKb1,Qd1,Bb8,Rd2/bKb7,Qb5,Nb4,Rg8,Pa4

1.Bd6!
1.Qf3+? Kxb8–+

1…Nc2+! 2.Kc1!
2.Kxc2? Rc8+ 3.Bc7 Rxc7#

2…Na1! 3.Rb2 Nb3+ 4.Kb1 Qd3+!! 5.Qxd3 Rg1+ 6.Qf1!!
6.Kc2? Rc1# model mate with two self-blocks
6.Ka2? Ra1# model mate with self-block
6.Qd1? Rxd1+ 7.Kc2 Rxd6–+

6…Rxf1+ 7.Kc2 Rc1+ 8.Kd3 Rd1+ 9.Kc4 /Kc3 9…Rxd6 10.Kb4
10.Ra2? Nd2+ 11.Kb4 Rb6+ 12.Kc3 Ne4+ 13.Kd4 Rb4–+

10…Ra6 11.Ra2 Rb6+ 12.Kc4
12.Kxa4? Nc5+ 13.Ka3 Rb3# model mate with self-block

12…Ra6 13.Kb4 Rb6+ 14.Kc4 Na5+ 15.Kc5 Nb3+ 16.Kc4 positional draw