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     [Event "6th Hainan Danzhou"]   [Site "Danzhou CHN"]   [Date "2015.07.03"]   [Round "2.4"]   [White "Wei Yi"]   [Black "Bruzon Batista, L."]   [Result "1-0"]   [ECO "B85"]   [WhiteElo "2724"]   [BlackElo "2669"]   [Annotator "Hickman,Neil"]   [PlyCount "71"]   [EventDate "2015.07.02"]     1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. Be2 Nc6 5. d4 cxd4 6. Nxd4 Qc7 7.   O-O Nf6 8. Be3 Be7 9. f4 d6 10. Kh1 O-O 11. Qe1 Nxd4 12. Bxd4 b5 13. Qg3 Bb7   14. a3 Rad8 ({Bruzon had apparently only reached this position once before in   his career -} 14... Bc6 15. Rae1 Rae8 16. Bd3 {Zapata-Bruzon Santo Domingo   2003 0-1 (53). That surely makes it unlikely that any of what follows was home   preparation. Dominic Lawson's awe-struck comment on the BBC, that Wei Yi   encountered Black's TN at move 19 and refuted it over the board, is actually   wrong in that Black's 19th isn't new, but it seems to contain a germ of truth.}   ) 15. Rae1 Rd7 16. Bd3 Qd8 17. Qh3 g6 18. f5 e5 19. Be3 Re8 $6 ({Thus far, a   known line of the Scheveningen Variation, e.g.} 19... Nh5 20. Bh6 Re8 21. Nd5   Bxd5 22. exd5 Nf4 23. Bxf4 exf4 24. Rxf4 {Ambartsamova-Cramling, World Women's   Rapidplay 2014, drawn in 56 but with Black having much the worse of it. So it   is understandable that Black seeks an improvement...}) 20. fxg6 hxg6 21. Nd5 $3   (21. Bb6 Qc8 22. Re2 Nh5 23. Be3 Rc7 24. Qxc8 Rexc8 {was Sredojevic-Rajkovic,   Vrnjacka Banja 2008 0-1 (53). White finds a dramatic improvement}) 21... Nxd5   $2 ({Loses by force, though it takes amazing play by White to achieve the win.   Admittedly} 21... Bxd5 22. exd5 Qc7 (22... Nxd5 23. Rxf7 $3 {winning}) 23. Bxg6   fxg6 24. Qe6+ Kg7 25. Rxf6 {isn't exactly fun for Black either.}) 22. Rxf7 $3 {   This is the astonishing point. It's easy to see a perpetual for White, but   much harder to find a winning line} Kxf7 23. Qh7+ Ke6 24. exd5+ Kxd5 (24...   Bxd5 25. Bxg6 {(one of a string of "quiet moves" in this game) and even with a   free move Black can't escape. For example} Rf8 ({the only line that doesn't   appear to lead to a quick mate is} 25... Bxg2+ $1 26. Kxg2 d5 {giving the K a   flight square} 27. Qf7+ Kd6 28. Qxe8 Qxe8 29. Bxe8 Rc7 30. c3 {and White has   emerged into an easily winning endgame}) 26. Qh3+ Kf6 27. Rf1+ Kxg6 28. Qh6#)   25. Be4+ $3 {Yet another sacrifice. The question becomes - can White mate   before running out of pieces?!} Kxe4 (25... Ke6 26. Qxg6+ Bf6 27. Qf5+ Kf7 28.   Qh7+ Kf8 29. Bh6+ Rg7 {and now quietly} 30. Rf1 $1 {and Black can resign}) 26.   Qf7 $3 {Another quiet move, and a very good illustration of the fact, easily   overlooked, that in a mating attack it is often far more important to cut off   the King's escape route than to give check.} (26. c4 $3 {which the computers   offer is a quicker route to mate but the same theme of cutting off the flight   squares -} bxc4 (26... Kd3 27. Qxg6+ Be4 28. Rd1+ Kc2 29. Qxe4+ Kb3 30. Qd3+   Ka2 31. Qb1+ Kb3 32. Rd3+ Ka4 33. Qc2+ Ka5 34. b4#) 27. Qxg6+ Kd5 28. Qf7+ Ke4   (28... Kc6 29. Qxc4#) 29. Qxc4+ Kf5 30. Rf1+ Kg6 31. Qf7#) 26... Bf6 27. Bd2+   Kd4 28. Be3+ {White gains a little time on the clock before...} Ke4 29. Qb3 $3   {...another "quiet move"...} Kf5 30. Rf1+ Kg4 31. Qd3 $3 {...and yet another.   For quite a long time Fritz will gaze at this position and insist that White   only has a draw} Bxg2+ ({"Best" for Black here is} 31... Rg7 {but after} 32.   Qe2+ Kh4 33. h3 $1 Qd7 34. Kh2 $1 Bxg2 35. Qxg2 {Black has to give up his   queen to postpone mate}) 32. Kxg2 Qa8+ 33. Kg1 Bg5 (33... Rg8 34. Qe2+ Kh4 35.   h3 $1 {forces mate}) 34. Qe2+ Kh4 35. Bf2+ Kh3 36. Be1 $1 {Yet another "quiet   move" and, unable to defend the third rank, Black resigned.  One respect in   which this game differs from the "Evergreen" (though not from   Zukertort-Blackburne) is that it is immediately possible to demonstrate that   White's attack is entirely sound. This lad is 16. What is he going to achieve   when he reaches adulthood?}