Study 77b

S. Didukh
Victory AT
2015
1st/2nd Prize

White wins

1. Re3+ Kd1! 1... Kxd2 2. Rbd3+ Kc2 3. Rc3+ Kd2 4. Red3+ +- 2. Ra3! 2. Rxe6? Nxb3 3. Kxb3 Bd5+ = 2... Bd5+ 3. Ka1! 3. Kb1? Nc4 4. Rad3 Be4! 5. Rxe4 Nxc5 = 3... Nc4 4. Rad3! Be4! 4... Nxe3 5. dxe3+! Ke2 6. Rxd5 +-; 4... Nf4 5. Rd4 +- 5. Rxe4 Nxc5 6. Rd8! 6. Rd5? Nxe4 7. d3 Kd2! mutual zugzwang 8. dxe4+ (8. dxc4+ Kc3 9. c5 Kc4! 10. c6 Kxd5 11. c7 Nd6 =) 8... Ke3 9. e5 Ke4! 10. e6 Kxd5 11. e7 Nd6 = 6... Nxe4 7. d3! Kd2 8. Rd5!

mutual zugzwang

8... Nb6 8... Nf6 9. dxc4+ Kc3 10. Rf5 Ne4 11. c5 +- 9. dxe4+ Ke3 10. Rb5 Nc4 11. e5 +-

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