[Event "URS-ch43 Final"] [Site "Yerevan"] [Date "1975.??.??"] [Round "6"] [White "Vaganian, Rafael A"] [Black "Bronstein, David Ionovich"] [Result "1-0"] [ECO "C09"] [PlyCount "101"] [EventDate "1975.11.28"] [EventType "tourn"] [EventRounds "15"] [EventCountry "URS"] [EventCategory "12"] [SourceTitle "URS-ch"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "1"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] {[%evp 0,101,19,31,47,46,24,34,41,16,22,28,35,35,92,55,41,32,33,35,37,35,41,12, 24,24,22,22,10,23,36,25,25,27,76,50,72,74,63,77,76,68,41,37,42,35,18,26,44,46, 53,52,43,54,49,38,38,41,42,51,43,38,63,49,68,44,57,55,87,76,76,50,48,57,104,97, 105,124,124,130,163,149,192,183,196,236,234,215,233,224,353,342,331,350,380, 352,377,406,453,463,477,492,656,477]} 1. d4 e6 2. e4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. dxc5 {[%csl Gc2,Gd3,Ge4,Gf3,Gg2][%CAl Ge4d5,Gc6b7, Gc6b5,Gd5c4] That move is logical after black dark-squared bishop is already developed} Bxc5 8. Nb3 {White accelerates development with tempo and gets control over the most important square d4.} Qe7+ {This is possible although excahnge of queens is in White's favour.} 9. Qe2 Qxe2+ 10. Kxe2 Bd6 {[%csl Gd4, Rd5,Gd6] White's advantage is stable - weak pawn d5 and strong square d4. It is needed to eliminate Black's most valuable piece, bishop d6. White goes for it!} 11. Bg5 {[%CAl Gg5h4,Gh4g3]} f6 12. Bh4 Nge7 13. Bg3 Bxg3 14. hxg3 Bg4 15. Kd2 Kf7 (15... Bxf3 {was also possible and probably better.}) 16. Nfd4 Ne5 17. f3 Bc8 18. Rae1 h6 {Black loses so much time nd White gets initiative.} 19. Nc5 a6 20. Bd3 {That bishop is not better than knight e5} b6 21. Na4 {[%CAl Rb6b5] White provokes move ... b5 which will create new weaknesses.} Rb8 22. b3 { There was no reason for this.} Nxd3 $6 23. Kxd3 {[%csl Rd5][%CAl Gd1d5]} (23. cxd3 {with transferring play on c-file was also good, but White plays against weak pawn d5}) 23... Bd7 24. Nc3 Rhd8 25. Rh5 $5 {That move just optically looks dangerous...} Be8 26. Kd2 Rbc8 27. Re6 {White tries to confuse Black, but Bronstein calmly eliminates threats} Nc6 28. Nce2 Bd7 29. Re3 (29. Nxc6 Bxe6 30. Nxd8+ Rxd8 31. Nd4 {was simplier and better. For some reason White preffered to play with more pieces.}) 29... Ne5 30. Rh1 Rc7 31. Nf4 Bc8 32. g4 $1 {Resticting black minor pieces.} Re7 33. Rhe1 g6 $6 {Diagram [#] Bad waiting move weakening pawn h6} (33... Ree8 {was good waiting move}) 34. a4 $1 {It is needed to create new weaknesses in Black's camp and White organizes attack with a-pawn.} Bb7 (34... a5 {weakens square b5}) 35. a5 $1 (35. Nfe6 Rxe6 36. Nxe6 Kxe6 37. f4 d4 38. R3e2 (38. Rh3 Bxg2 39. Rxh6 Rg8) 38... d3 39. Re3 dxc2+ 40. Kxc2 Bxg2 {is unclear}) 35... bxa5 (35... b5 36. Nfe6 (36. Nd3 { [%CAl Gd3b4,Gd3c5]}) 36... Rxe6 37. Nxe6 Kxe6 38. f4 d4 39. Rh3 Bxg2 40. Rxh6 Rg8 41. Rh7 $1 {[%csl Ra6][%CAl Gh7a7,Ga7a6]}) 36. Ra1 Rc8 37. Rxa5 Rec7 38. Nfe6 Re7 39. Nc5 Rce8 40. Rc3 {Black rooks do nothing on e-file.} Bc8 41. Nxa6 {Finally there is material advantage.} h5 42. Nc7 Rg8 43. Ra8 hxg4 44. f4 Nf3+ 45. gxf3 g3 {Desperate try} 46. Ra1 Rh8 47. Rg1 Rh2+ 48. Kd3 {Bishop can not deliver check.} Rf2 49. Rxg3 Rf1 50. Kd2 Ree1 51. Re3 {Black resigned} 1-0