Study 147

Árpád Rusz
6th FIDE World Cup
2017
2nd Prize

White wins

Thematic try: 1. Nd3? Nf4! 2. Nc5+ 2. Nxf4+ Ke5 = 2... Kd6 3. Nd7 Ne6 4. e5+ Kd5 5. Kf7! Nc5 6. Ng4! Nxd7 7. e6 Nb6 8. Ne3+ 8. e7 Nc8 9. e8=Q Nd6+ = 8... Kc5 9. Ke7! Nc8+ 10. Kd7 Nb6+ 11. Kd8

Position X'

In this position, black has a saving manoeuvre! 11... Nc8! 12. Nc4! 12. Kxc8 Kd6 = 12... Na7!! Black uses the extra file on the longer flank! 12... Kd5? 13. Kd7 +- 13. Na5 13. e7 Nc6+ = 13... Nc8! 14. Nc4 Na7 15. Ne5 Nc8! 16. Nc4 Na7 positional draw

1. Nf3! Nd4! 1... Ng3 2. e5 Nf5 3. Nd3 Nd6+ 4. Kf8 +- 2. Ng5+ 2. Nxd4+? Ke5 = 2... Kf6 3. Nf7 Ne6 4. e5+ Kf5 5. Kd7! 5. Ke7? Ng5 6. Nc4 Nf3 = 5... Ng5 6. Nc4! 6.Nxg5? Kxe5 = 6... Nxf7 7. e6 Nh6 By sacrificing its h2 knight white had managed to keep the black knight on the shorter flank. 7... Kf6 8. e7 +- 8. Ne3+! 8. e7? Ng8 9. e8=Q Nf6+ = 8... Kg5 9. Ke7! Ng8+ 9... Kf4 10. Kf8! +- 10. Kf7 10. Kf8? Kf6! = 10... Nh6+ 11. Kf8 +-

Position X

In the thematic try we saw a mirrored position (Position X') but now black doesn't have a saving manoeuvre which starts with a knight sacrifice. There is no extra file next to the h-file!

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