Yue Wang vs Teimour Radjabov (2008)

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Yue Wang vs Teimour Radjabov
Sochi Grand Prix (2008), Sochi RUS, rd 9, Aug-09
King's Indian Defense: Saemisch Variation. Normal Defense (E81) · 1-0

ANALYSIS [x]

FEN COPIED

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Aug-09-08		4tmac: Moves 15 or so thru 30 seemed like Wang Yue's M.O. A tricky combination to simplify to a bishop ending. Gelfand and Radjabov back to back in similar endings like this is very impressive.

Aug-09-08		OneArmedScissor: <21. ...f5?> was the blunder here. <21. ...Rxa2> gives black the advantage

Aug-09-08		Aspirador: <Moves 15 or so thru 30 seemed like Wang Yue's M.O.> According to Wikipedia, M.O. can mean: 1)Missouri 2)Molybdenum 3)Molecular orbital 4)Memories Off, a romance visual novel series by KID! or 5)Moscow Oblast.

Aug-09-08		holland oats: I find it hard to believe that Wikipedia would leave out "modus operandi" aka mode of operation

Aug-09-08		keypusher: <OneArmedScissor: <21. ...f5?> was the blunder here. <21. ...Rxa2> gives black the advantage.> Don't get carried away. If anyone has an advantage after 21....Rxa2 22. Rb1 it's White. But that does seem better for Black than the game.

Aug-09-08		4tmac: 4. Memories Off, the use of bishops to beat people who underestimate you. click for larger view Everyone is right: 21. ... RxP has to be better, taking advantage of whites lack of developement (no O-O). f5 is too slow.

Aug-09-08		notyetagm: <4tmac: Moves 15 or so thru 30 seemed like Wang Yue's M.O. A tricky combination to simplify to a bishop ending.> Yes, anyone who doubts Wang Yue's tactical skill should try playing Guess The Move for White in this game. <Gelfand and Radjabov back to back in similar endings like this is very impressive.> Yes, it looks like Wang Yue has endgame skills that fall just short of the Kramnik/Kamsky class. I knew Wang Yue was very strong in the endgame when he easily held a worse rook endgame against Carlsen at the Baku GP back in April. Now he has won back-to-back same-colored bishop endgames against Gelfand and Radjabov. Very impressive indeed.

Aug-09-08		notyetagm: Is it not becoming clear now that <WANG YUE> may win the FIDE Grand Prix? He was =1st at Baku and right now is =1st at Sochi. He just never seems to lose! Go China!

Aug-09-08		OneArmedScissor: <keypusher> I let crafty run the position for 30 minutes and gave a slight, slight edge to black. Not sure where you're getting that white has the advantage. But all in all, it was = at that point.

Aug-09-08		notyetagm: This game provides a textbook example that <DOUBLED PAWNS JUST KILL YOU IN THE ENDGAME>. Position after 46 ... ♗b5-e8 click for larger view Here Black has major problems because his 2-1 queenside pawn majority is crippled by consisting of the <DOUBLED> Black b4- and b6-pawns. These two Black pawns are held back by White's b2-pawn. Since _ONE_ White pawn holds back _TWO_ Black pawns on the queenside, White is effectively up by a pawn elsewhere on the board. And in the hands of a strong technician like Wang Yue, an extra pawn in the endgame is very likely going to be converted into a win, as it is here.

Aug-09-08		Marmot PFL: maybe Radjabov just tried too hard to win. That's the cause of many upsets (even mild upsets).

Aug-09-08		Once: I watched the end of this match live on ICC earlier today. Very impressive patient endgame play from Wang Yue. A cool zugwang position after 46. Bf5. click for larger view The black king cannot move because it needs to prevent white's king from getting to d6 to escort his passed e pawn. The black pawns cannot move because they would then be on white squares and easy meat for the white bishop. And if the black bishop moves, white's king can get to either c4 or c6 to pick up one of the doubled b pawns. Radjabov decides that dropping one of the b pawns is the least of the evils. Then all (!) that white needs to do is to swap his e pawn for the remaining black b pawn, and the outside pawn decides.

Aug-09-08		euripides: <4. Memories Off> and there was I thinking it must be magnum opus - well there you go ....

Aug-09-08		SniperOnG7: Scary, Wang Yue plays this line for a living. Look at Wang Yue vs N Mamedov, 2005 for another case of him holding onto the extra pawn for as long as possible and using a series of small tactics to maintain a slight initiative all the way to the endgame. I reckon Cheparinov did the smart thing by playing (and winning) the sharp traditional mainline in Wang Yue vs I Cheparinov, 2007.

Aug-09-08		Boomie: <notyetagm: I need to look into this game later, to figure out where the novelty is...> In the Fritz 11 database, 10...b6 is new. Rybka prefers it over the usual Nd7, which hasn't done very well.

Aug-09-08		Boomie: Some Rybka observations. 19....Rxd3 20. Rxd3 Bg5 21. a4 h4 22. Bxe7 Rd7 23. Rxa2=. Perhaps Radja avoided this dry variation to keep greater winning chances. 21...f5 is the first real questionable move. To be kind we can say Radja was overreaching. Better is 21...Rxa2 22. Rb1 Ba6 24...Bxe4 is better and makes more sense as the passed e-pawn is obviously more valuable than the a-pawn. After 24...Bxa2, Rybka scores it about 0.75. 27. Bb5 is wierd. Rc4 holds the lead. Eval drops to 0.30 here. However it might be that the endgame following the rook exchange in the game is a win. I don't know and the engines are almost useless in endgames. The position Rybka likes leads to the following which is probably a draw. click for larger view So I'd have to go with GM Wang's judgement over the engine here.

Aug-10-08		lopium: Surprisingly they are born the same day.

Aug-10-08		whiteshark: According to Shipov "Radjabov’s passive strategy proved wrong. He could transfer the king to c5 by <31...Kd7!> (instead of 31…Ke7) click for larger view with <32.Kf2 Kc6! 33.Bg8 h6 34.Bf7> (34.Ke3 Kc5!) <34...Kc5! 35.Kg3> (35.Bxg6 Kd5; 35.Ke3 g5) <35...Be4 36.Kf4 Bb1>, creating an unbreakable fortress." click for larger view Source: BULLETIN Round 9

Aug-11-08		drukenknight: what if 58...BxB?

Aug-11-08		chancho: <drukenknight> 58...Bxd7 59.exd7 Kxd7 60.g4 and black cannot prevent penetration of both his flanks from the white King.

Aug-11-08		Once: <drukenknight> 58. ... Bxd7 leads to a lost king and pawn endgame. There are several ways for white to sweep up. Here is one of them. 58... Bxd7 59. exd7 Kxd7 60. g4 Kc7 61. b5 Kd7 62. h3 Kc7 63. Ke6 Kc8 64. Kf7 Kd7 65. Kg6 Kd6 66. Kxh6 Kc5 67. Kxg5 Kxb5 68. h4 Kc4 69. h5 click for larger view White promotes first and wins.

Aug-14-08		Dionyseus: Rybka 3 thinks 25. Kf2 Rec8 26. Rfc1 Be6 27. Ke3 is stronger, scoring it at +0.92 at depth=22. In comparison, Yue's 25.Ra1 gets +0.79 at depth=21 if black plays 25...Rad8. Yue played this game accurately.

Aug-22-08		PetShopB: <1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Nge2 b6 11. Ba3 Bb7> Black has sacrificed a pawn and has the initiative as the White king is stuck in the centre. In the next few moves, we'll see White trying to extricate himself and re-organise his pieces <12. Rd1 a5 13. Nc1 Nb4 14. Bd3 Bh6 15. Nd5 Nfxd5 16. cxd5> White's central phalanx of pawns look formidable but Black continues to chip away at the wall <16...e6 17. Bxb4 axb4 18. dxe6 Bxc1 19. e7 Rdc8 20. e8Q+ Rxe8 21. Rxc1 f5> Chipping away again, taking advantage of the fact that the White pawn is pinned down <22. Rc7 Bd5 23. 0-0> Finally, White managed to castle and allowed Black to regain the pawn; the position looked better for White <24. fxe4 Bxa2 25. Ra1 Bd5 26. Rxa8 Bxa8 27. Bb5 Re5 28. Bc4+ Kf8> Simple trap: 28. ... Kh8? 29. Rc8+ > <29. Rc8+ Re8 30. Rxe8+ Kxe8 31. e5> Can this position, with equal number of pieces, be won easily? White showed patience to out-manouevre his opponent Ke7 .This could be the decisive inaccuracy as 31. ... Kd7 could be better. Instead, Black allowed White to win one of his queenside pawns. <32. Kf2 Bc6 33. g3 g5 34. Ke3 h6 35. Kd4 Bd7 36. Bd5 Bb5> As long as the Black bishop can stay on this square, White’s king cannot cross the c-file <37. Bf3 Be8 38. Bg2 Ba4 39. Bd5 Bb5 40. Bg8 Kf8 41. Bc4 Ba4 42. Bd5 Bb5 43. Bf3 Ke7 44. Bg4 Bf1 45. Kd5 Bb5 46. Bf5 Be8 47. Kc4 b3 48. Kxb3> it's white's game now <Bb5 49. Kc3 Be2 50. Kd4 Bb5 51. Kd5 Ba4 52. b4 Bb5 53. Bg4 Ba4 54. Bc8 Kd8 55. Ba6 Kd7 56. e6+ Ke7 57. Bc8 Bb5 58. Bd7 Be2> 58. ... Bxd7 59. exd7 Kxd7 60. b5 and White will win <59. Kc6 b5 60. Kb6 Bc4 61. Bxb5 Bxe6 62. Kc7> (1-0)

Sep-18-08		arnaud1959: Anything new about this opening since this game? A new game or comments on this one?

Dec-04-14		drunknite: the Underappreciated Fortress. In contrast to the comments by the master, it appears that a fortress can be built as late as move 45 to save this. Here is the line I get when I put in the crappy online pc (javachess) not the last word to be sure. Contrast this with the Tal/Petrosian game: Tal vs Petrosian, 1957 where a similar fortress can be built. See the diagram below. 46....b3 47. h3 Be2 48. e6 h5 49. h4 gxh4 50. gxh4 Ba6 51. Bg6 Be2 52. Ke5 click for larger view

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