Jon Speelman

... the initial position is decisive Zugzwang.

If you are reading this instead of viewing a chess puzzle or game, then you must enable JavaScript on this website.

[Event "rated untimed match"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "Unknown"]
[Black "Unknown542"]
[Result "0-1"]
[Annotator "David Hayes"]
[BlackElo "0"]
[FEN "7k/2r4p/3NP1p1/pB3pNn/P2P2n1/2PKB3/1r6/6R1 b - - 0 1"]
[SetUp "1"]
[TimeControl "0"]
[WhiteElo "0"]

1... Nf4+ ( { Black can try: } 1... Nxe3 2. Kxe3 Rxc3+ 3. Bd3 Nf6 4. Nxf5 Rbb3 5. Nf7+ Kg8 6. Ne5 Kf8 7. Nd7+ Nxd7 8. exd7 Rxd3+ 9. Ke2 Rb8 10. Kxd3 gxf5 11. Rf1 Ke7 12. Rxf5 Rb3+ 13. Ke4 Rh3 14. Rxa5 Kxd7 15. Ra7+ Kc6 16. a5 Rh4+ 17. Ke5 Rh5+ 18. Ke6 Rg5 19. a6 h5 20. Rh7 Rg6+ 21. Ke7 Kd5 22. a7 Ra6 23. Kd8 Kxd4 24. Kc8 Ke4 25. Kb7 Ra3 26. a8=Q Rxa8 27. Kxa8 Kf4 28. Rxh5 { White wins with a large material advantage. } ) 2. Bxf4 Nf2+ 3. Ke3 Rxc3+ 4. Bd3 Rxd3# 0-1