D0020 - SOLUTION AND COMMENTS


Janos Mikitovics

Hungary

D0020, 16.12.2007.

=                                       4+5


Solution:

1. c6+! Kd8!

1. ... Ke6? 2. d7 h2 (2. ... g2 3. d8Q =) 3. d8Q =
1. ... Kc8? 2. d7+ +-

2. d7

2. Kb6? Bxd6 -+
2. Bc7+? Kc8 3. Kb6 Bxd6 -+

2...g2!

2. ... h2? 3. Kb6 Bc5+ 4. Kb7!?

3. Ba7 Bd6 4. Bd4/Be3 g1Q 5. Bxg1 h2 6. Bb6+ Bc7 7. Be3!

7. Bd4? Ke7 8. Bc5+ Ke6 9. Bb6 Kd6-+

7. ... Ke7 8. Bg5+ Kf7

8. ... Ke6 9. Bf4 +- (see the main line)

9. Bf4! h1Q

9. ... Bxf4 10. d8Q h1Q 11. Qd7+ = (11. Qd3? Qf3 -+)

10. Bxc7 Qd5+ 11. Kb6 =