Study 13a

O.Pervakov
Shakhmaty Vestnik
1992
1st/2nd Honourable Mention

White wins

1. Bc2! Rxa3+

sliding battery

2. Kc4+ Kh8 2... Kh6 3. Rg6+ Kh5 4. Rxg7 +- 3. Rh1+ 3. Bb3? Ra5 = 3... Kg8 4. Bb3!

4... Ne6 4... Ra5 5. Kb4+ +-; 4... a5 5. Kc3+ Kf8 6. Kb2 +- 5. Kb4 Rxb3+ 6. Kxb3 Nd4+ 7. Kc4 Nxe2 8. Rf1 Kh7 9. Rf2 Ng3 10. Rh2+ Kg6 11. Rg2 +-

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Study 13