Nº 7 Steffen S. Nielsen

Win
Section b1

Dedicated to Eva Nemcova

[FEN «6N1/8/4K2p/2p2p2/2PkP3/Qpr3pp/q2BB3/8 w – – 0 1»]

One White piece has to do all the work in this study.
1. Ne7!
Logical try 1. Nxh6? Qxa3 (1… Rxc4 2. Nxf5+ Kxe4 3. Nxg3+Kd4 4. Nf5+ Ke4 5. Nd6+ Kd4 6. Nxc4 Qxa3 7. Nxa3 h2 8. Bf3)2. Nxf5+ Kxe4 3.Nd6+ Kd4 4. Nb5+ Ke4 5. Nxc3+ Kd4 6. Nb5+ Ke4 7. Nd6+ Kd4 8. Nf5+ Ke4 9. Nxg3+Kd4 10. Nf5+ Ke4 11. Nd6+ Kd4 12. Nb5+ Ke4 13. Nxa3 h2 14. Nb5 h1=Q 15. Nd6+ Kd4 16. Nf5+ Ke4 17. Ng3+ Kd4 18. Nxh1 b2 19. Ng3 b1=Q 20. Nf5+ Qxf5+!
(20… Ke4? 21. Nd6+ + like in the mainline) 21. Kxf5 ideal stalemate

1… Qxa3
1… Rd3 2. Nc6+ Kxc4 3. Qc1+ Kb5 4. Bxd3+ Kxc6 5. Qc4+-

2. Nxf5+ Kxe4 3. Nd6+ Kd4 4. Nb5+ Ke4 5. Nxc3+ Kd4 6. Nb5+ Ke4 7. Nd6+
7. Nxa3? 7… g2/7… b2

7… Kd4 8. Nf5+ Ke4 9. Nxg3+ Kd4 10. Nf5+ Ke4 11. Nd6+ Kd4 12. Nb5+ Ke4 13. Nxa3 h2 14. Nb5 h1=Q 15. Nd6+ Kd4 16. Nf5+ Ke4 17. Ng3+Kd4 18. Nxh1 b2 19. Ng3 b1=Q 20. Nf5+ Ke4
20… Qxf5+ 21. Kxf5 no stalemate because Ph6 is still on the board.

21. Nd6+ Kd4 22. Nb5+ Ke4 23. Nc3+ Kd4 24. Nxb1 +-

24 consecutive moves by the white Knight. 20 moves foresight and ideal stalemate
in the try.