Alekhine Mem.: Ponkratov snatches win at end

[Event "18th Voronezh Master Open 2014"] [Site "Voronezh RUS"] [Date "2014.06.21"] [Round "9.8"] [White "Predke, Alexandr"] [Black "Leon Hoyos, Manuel"] [Result "1-0"] [ECO "B67"] [WhiteElo "2491"] [BlackElo "2515"] [PlyCount "55"] [EventDate "2014.06.12"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 {So far this is all main theory.} Rc8 {However, this is not. Qb6 is usual.} 12. f5 b4 $6 {Black is asking for trouble...} (12... Nxd4 13. Qxd4 Be7 $14 {was more sensible, cutting down on White's ability to wipe him off the board.}) 13. fxe6 {... and is served! Now e6 will become a target and a fatal one.} fxe6 (13... bxc3 $2 14. exd7+ Qxd7 15. Qxc3 Nxd4 16. Qxd4 {and Black is lost, a pawn down and a joke of a pawn structure.}) 14. Nce2 Ne5 $2 15. Nf4 $1 Kf7 {This may look normal, but Black has no way of holding on material here.} (15... Qe7 16. Bxa6 $18) 16. g3 h5 17. Bh3 {Come to papa} Ng4 18. Qe2 ({There is no question White saw the simple} 18. Nxh5 Rxh5 19. Bxg4 {but since he also knew he was going to get a pawn no matter what, probably chose the text hoping to maximize his position after.}) 18... Rc5 19. Bxg4 hxg4 20. Qxg4 Qc8 $2 {Between protecting e6 or g6, Black makes a very strange choice.} (20... Rh6 {was the only way to offer resistance. }) 21. Qg6+ Ke7 22. h4 {There is more than one road to Rome here, and this is one of the easier ones to calculate.} ({For the sake of purity, the engines do point out} 22. Nf5+ $1 {as stronger, but the main line is quite a headache to calculate.}) 22... Bh6 23. Rhf1 Qf8 24. Ndxe6 $1 Bxe6 25. Nxe6 Kxe6 26. Rxf6+ $1 Qxf6 27. Rxd6+ Kxd6 28. Qxf6+ {and with the rook on h8 falling, Black resigned.} 1-0