[Event "Magistral Osasco 60 Anos 2022"] [Site "Sao Paolo"] [Date "2022.02.23"] [Round "5.1"] [White "El Debs, Felipe de Cresce"] [Black "Stamenkovic, Dragan"] [Result "1/2-1/2"] [ECO "E07"] [WhiteElo "2553"] [BlackElo "2378"] [Annotator "TA"] [PlyCount "64"] [EventDate "2022.02.19"] [EventType "tourn"] [EventCountry "BRA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,64,11,20,22,16,27,23,32,0,37,39,28,0,0,-27,-9,-105,5,7,11,15,12,0,0, 0,0,0,0,0,12,6,87,22,18,0,54,0,8,-15,-10,-54,-61,-74,-61,-74,-72,-69,-64]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. g3 Nbd7 6. Bg2 Be7 7. O-O O-O 8. Qd3 b6 {[%CAl Bb7b6,Bb6b5][%mdl 32]} 9. e4 Bb7 10. Rd1 dxc4 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7).} 11. Qxc4 b5 12. Qb3 {[#]} a6 $146 {White has an edge.} ({Predecessor:} 12... b4 13. e5 Nd5 14. Ne4 c5 15. Bg5 Bxg5 16. Nexg5 h6 17. Ne4 cxd4 18. Nd6 Rb8 19. Nxb7 Rxb7 20. Nxd4 {1-0 (47) Gleizerov,E (2553)-Cvetanovic,U (2249) Paracin 2013}) 13. Be3 Qb8 14. e5 Nd5 15. Bg5 c5 $1 16. dxc5 Nxc5 (16... Bxc5 {is interesting.} 17. Qc2 h6 18. Nxd5 Bxd5 19. Bf4 Qa7) 17. Nxd5 Bxd5 (17... Nxb3 $17 18. Nxe7+ Kh8 19. axb3 Qe8) 18. Qe3 $11 Qb7 19. Bxe7 Qxe7 20. Nd4 {[#] Threatens to win with Bxd5.} Bxg2 21. Kxg2 {Nc6 is the strong threat.} Qb7+ 22. Qf3 Qxf3+ 23. Kxf3 Rac8 24. Rac1 Rfd8 (24... Nd7 $11 {remains equal.}) 25. b4 (25. b3 $16) 25... Na4 $1 26. Nb3 {[%CAl Oc1c6]} Nb6 (26... Nb2 $11 27. Rxc8 Rxc8) 27. Rxc8 (27. Rxd8+ $1 $14 Rxd8 28. Rc6) 27... Rxc8 $14 {KRN-KRN} 28. Nc5 Nd5 29. a3 (29. Nxa6 $11 {deserves consideration.} h6 30. Rd2) 29... a5 $1 $15 30. Ne4 axb4 31. axb4 Nxb4 32. Nd6 Rb8 {Weighted Error Value: White=0.24 (precise) /Black=0.22 (precise)} 1/2-1/2 [Event "Magistral Osasco 60 Anos 2022"] [Site "Sao Paolo"] [Date "2022.02.23"] [Round "5.2"] [White "Alboredo, Julia"] [Black "Di Berardino, Diego Rafael"] [Result "1/2-1/2"] [ECO "B83"] [WhiteElo "2216"] [BlackElo "2483"] [Annotator "TA"] [PlyCount "91"] [EventDate "2022.02.19"] [EventType "tourn"] [EventCountry "BRA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,91,15,6,39,31,44,0,12,0,0,8,19,17,17,11,-3,-12,0,0,0,-22,0,-16,-17, -43,-39,-58,-54,-56,9,0,0,4,53,0,11,0,18,20,28,2,31,-39,-42,-39,-39,-35,-14, -47,-78,-124,-44,-66,-9,-7,-11,-52,0,-26,-16,-31,0,0,0,0,0,0,0,0,0,0,-2,-7,8,0] } 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 Be7 7. Be2 O-O 8. O-O d6 9. Be3 Bd7 10. f4 Nxd4 {B83: Sicilian Scheveningen: 6 Be2, lines without ...a6.} 11. Bxd4 Bc6 {[%CAl Oe6e5]} 12. Bd3 a6 13. Kh1 b5 14. Qf3 {[#]} Qb8 $146 ({Predecessor:} 14... Qc7 15. Qg3 Rad8 16. Rae1 Qb7 17. Qh3 g6 18. f5 gxf5 19. Qh6 e5 20. Rxf5 Ng4 21. Qh3 Nf6 22. Nd5 Ne8 23. Rh5 Ng7 24. Rxh7 f5 25. Qh6 Bg5 26. Rh8+ Kf7 27. Rxf8+ Rxf8 28. Qxg5 exd4 29. Qf6+ Kg8 30. Ne7+ { 1-0 (30) Landa,K-Brodsky,M Jurmala 1989}) 15. Qh3 {aiming for e5.} e5 16. fxe5 dxe5 17. Be3 Bd7 18. Qg3 Be6 {Prevents Nd5.} 19. Be2 Rc8 20. Bh6 {[%csl Gh6] [%CAl Rg3g7]} Ne8 21. Bg4 Bxg4 22. Qxg4 Qd6 23. Nd5 {[%CAl Oa1d1]} Bd8 {[#]} ( 23... Rxc2 $15 24. Qd1 Rc6) 24. Qf3 $1 $11 Qe6 25. Bd2 Rc4 ({Don't play} 25... Rxc2 26. Bc3 $14) (25... a5 $11) 26. Bc3 (26. b3 $14 Rc6 27. Qd3) 26... f6 27. Rad1 Rac8 28. Ne3 R4c6 29. Rd3 (29. Rd5 $5 {[%CAl Rd5e5]}) 29... Be7 {[%CAl Oe7a3]} 30. Rfd1 {[#]} (30. Bb4 $14) 30... Bxa3 $1 $15 31. Bxe5 $1 Qxe5 32. bxa3 Rd6 (32... Re6 {feels hotter.} 33. Rd4 Rc3 34. R4d3 Nd6 35. h4 a5) 33. Nf5 Rxd3 34. Qxd3 (34. cxd3 $142 Rc3 35. Qf2) 34... Qe6 ({Better is} 34... Rc3 $17 35. Qd5+ Kf8) 35. h3 g6 (35... Rc4 $15) 36. Ne3 $11 Rc7 37. Nd5 (37. Qd4 $11) 37... Rf7 ({Black should play} 37... Rc4 $15) 38. Nf4 Qe5 39. Nd5 {[%CAl Bf4d5, Bd5b4,Bb4c6,Bc6d8][%mdl 32]} Kg7 40. Nb4 {The position is equal.} Nc7 41. c4 h5 42. Nc6 Qc5 {[%csl Bc4,Bc6]} 43. cxb5 Nxb5 44. Nd8 {Black must now prevent Ne6+.} Re7 {Prevents Ne6+.} 45. a4 Nc7 46. Qd6 {Weighted Error Value: White=0. 13 (very precise) /Black=0.18 (very precise)} 1/2-1/2 [Event "Magistral Osasco 60 Anos 2022"] [Site "Sao Paolo"] [Date "2022.02.23"] [Round "5.3"] [White "Pereira, Silvio Cunha"] [Black "Rodi, Luis Ernesto"] [Result "0-1"] [ECO "B15"] [WhiteElo "2217"] [BlackElo "2347"] [Annotator "TA"] [PlyCount "94"] [EventDate "2022.02.19"] [EventType "tourn"] [EventCountry "BRA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,94,0,0,7,0,2,-9,-13,-6,-16,-59,-37,-71,-46,-71,-36,-58,-37,-44,-39, -32,-12,-17,-5,-45,0,0,0,0,0,0,0,0,0,0,9,17,6,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,32, 26,22,-43,-43,-40,-35,-54,-56,-58,-41,-378,-369,-350,-119,-128,0,0,0,0,0,0,0,0, 0,-1020,-882]} 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Bd3 O-O 8. O-O Bg4 9. h3 Bh5 {B15: Caro-Kann: 3 Nc3:3...g6 and 3... dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 10. g4 {10.Bf5 gains popularity.} Bg6 11. Nh4 Bc7 {[#] The position is equal.} 12. Ng2 $146 ({Predecessor:} 12. Nxg6 hxg6 13. c3 Qd6 14. f4 Re8 15. Qf3 c5 16. Bb5 Nc6 17. d5 c4 18. Kg2 {0-1 (53) Rajkovic, M (2371)-Markovic,M (2394) Subotica 2019}) 12... Re8 13. Bxg6 (13. c3 $11 { feels stronger.}) 13... hxg6 $15 14. Qd3 {To avoid Re4} Nd7 15. Bf4 Nf8 16. Rad1 Ne6 17. Bxc7 Qxc7 18. c3 Re7 19. Rfe1 Rae8 20. Re3 Ng5 (20... g5 $15) 21. Rxe7 $11 Rxe7 22. h4 Ne6 23. Qf3 Qa5 24. a3 Qb5 25. Rd2 g5 26. h5 Nf4 27. Ne3 Qb3 28. Kh2 Nd5 29. Nxd5 cxd5 {[%mdl 4096] Endgame KQR-KQR} 30. Qd3 Qb6 31. Re2 Re6 32. Kg2 Kf8 33. Rc2 Kg8 34. c4 Qa6 35. Rc3 Qd6 36. c5 (36. Qf5 $11) 36... Qf4 $15 37. Qf3 {Qxf4 is the strong threat.} Qxd4 38. Rb3 Re4 (38... Qxc5 39. Rxb7 Kf8 40. b4 $11) 39. Rb4 Qe5 {And now ...Rxb4 would win.} 40. Rxb7 { [%mdl 8192]} ({White has to play} 40. Rxe4 $1 $15 dxe4 41. Qf5) 40... Rf4 $19 41. Qg3 {[#]} Qe2 $2 (41... f5 $1 $19 {and Black stays clearly on top.} 42. c6 Qe4+ 43. f3 (43. Kh2 $2 Qe2 $19) 43... Qc2+ 44. Qf2 Qxc6) 42. c6 $17 {[#] Black must now prevent c7.} Rxg4 (42... Qe4+ $1 $17 43. f3 (43. Kh2 Qc2 $17) 43... Qc2+ 44. Qf2 Qxc6 45. Rb8+ Kh7) 43. c7 $11 Qe4+ 44. Kh2 Rh4+ 45. Qxh4 $1 Qxh4+ 46. Kg1 Qg4+ 47. Kf1 $2 {[%mdl 8192]} (47. Kh1 $11 Qxh5+ 48. Kg2 Qg4+ 49. Kh1 Qh4+ 50. Kg2 Qe4+ 51. Kh2 Qf4+ 52. Kg2 Qe4+ 53. Kh2 Qh4+ 54. Kg2 Qg4+ 55. Kh1 Qh5+ 56. Kg2 Qg4+) 47... Qc4+ {Weighted Error Value: White=0.32/Black=0.20 (precise)} 0-1 [Event "Magistral Osasco 60 Anos 2022"] [Site "Sao Paolo"] [Date "2022.02.23"] [Round "5.4"] [White "Quintiliano Pinto, Renato R."] [Black "Cubas, Jose Fernando"] [Result "1/2-1/2"] [ECO "D45"] [WhiteElo "2468"] [BlackElo "2469"] [Annotator "TA"] [PlyCount "87"] [EventDate "2022.02.19"] [EventType "tourn"] [EventCountry "BRA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,87,24,20,18,12,-8,-8,-18,20,0,8,0,15,16,39,18,20,14,21,0,0,0,27,0,0, -41,0,0,0,-7,0,0,0,-5,0,0,0,0,0,0,0,0,0,0,38,4,8,2,27,0,0,0,0,0,28,28,24,0,0,0, 0,0,209,200,649,638,627,385,316,0,679,0,0,0,151,0,0,0]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 {[%CAl Be7e6,Be6e5][%mdl 32]} 5. Nf3 a6 6. c5 Nbd7 7. Bd3 { D45: Semi-Slav: 5 e3.} e5 8. Bc2 e4 9. Nd2 {[#]} g6 $146 ({Predecessor:} 9... b6 10. cxb6 Nxb6 11. O-O Bd6 12. f4 g5 13. Nb3 gxf4 14. exf4 Rg8 15. Kh1 Qe7 { 0-1 (32) Khruschiov,A (2498)-Vysochin,S (2526) St Petersburg 2009}) 10. O-O Bg7 11. f3 exf3 12. Nxf3 O-O 13. e4 dxe4 $1 14. Bxe4 Qc7 15. Bg5 (15. Ng5 $5 { [%CAl Re4c2]}) 15... b6 $1 16. cxb6 Qxb6 17. Na4 Qc7 18. Bd3 (18. Bc2 $11) 18... a5 (18... Ng4 $15) 19. Qd2 $11 Ba6 20. Bf4 Qa7 21. Bxa6 Qxa6 22. Rfe1 Nd5 23. Bh6 Qc4 24. Bxg7 Kxg7 25. b3 Qb4 26. Qc2 Rac8 27. Rac1 N7b6 28. Nxb6 Qxb6 29. Qc5 Qa6 30. Qc4 (30. Ne5 $5 {[%CAl Re5c6]}) 30... Qb6 31. Ne5 {[%CAl Bf3e5, Be5c4,Bc4d6,Bd6c8][%mdl 32] Threatens to win with Nd7.} Rfe8 32. Qc5 Qa6 33. Rf1 f6 34. Nc4 {Nd6 is the strong threat.} (34. Nxc6 $5 {[%CAl Rc5d5]} Ne3 35. Qa7+ Qxa7 36. Nxa7 $11) 34... Re2 35. a4 Qb7 36. Nd6 Qxb3 (36... Qd7 $1 $11 { and Black is okay.} 37. Nxc8 Rxg2+ 38. Kh1 (38. Kxg2 Qg4+ 39. Kh1 Qe4+ 40. Kg1 Qg4+ 41. Kf2 Qf4+ 42. Ke1 Qe3+ 43. Kd1 Qd3+ 44. Ke1 Qe3+ 45. Kd1 Qd3+ 46. Ke1 Qe3+ $11) 38... Qxc8) 37. Nxc8 $18 {Dancing on a razor blade.} Ne3 $2 (37... Qb2 38. Kh1 (38. Qa7+ $2 Kh6 $19) 38... Rxg2) 38. Qe7+ Kh6 39. Qf8+ Kh5 40. Qxf6 $2 (40. Rf3 {gets mated.} Rxg2+ 41. Kh1 {[#]} Rxh2+ $3 {[%mdl 512]} 42. Kg1 Qb2 $1 43. Qc5+ f5) (40. Qc5+ $18 g5 41. Qxc6 (41. Rxf6 Rxg2+ 42. Kh1 Rc2 $11) 41... Nxf1 42. Rxf1) 40... Rxg2+ $11 41. Kh1 Rxh2+ $1 42. Kg1 {White threatens Qe5+ and mate.} Rg2+ $1 43. Kh1 Rh2+ $1 44. Kg1 {Weighted Error Value: White=0.23 (precise) /Black=0.27 (precise)} 1/2-1/2 [Event "Magistral Osasco 60 Anos 2022"] [Site "Sao Paolo"] [Date "2022.02.23"] [Round "5.5"] [White "Languidey, Simon Alejandro"] [Black "Supi, Luis Paulo"] [Result "1/2-1/2"] [ECO "B22"] [WhiteElo "2403"] [BlackElo "2581"] [Annotator "TA"] [PlyCount "72"] [EventDate "2022.02.19"] [EventType "tourn"] [EventCountry "BRA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,72,3,3,3,3,3,3,3,5,6,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,-7,0,0,0,-11,0,0,0, 0,0,0,0,-45,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%CAl Be2e4,Be4e5][%mdl 32]} c5 2. c3 Nf6 3. e5 Nd5 4. g3 Nc6 5. Bg2 e6 6. Nf3 d6 7. exd6 Bxd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Qc7 {B22: Sicilian: 2 c3.} 12. c4 $1 { [%mdl 4] outshines the older 12.Nd2.} Nf6 13. Nc3 {[#] aiming for Nb5.} Bd7 14. b3 Bc6 15. Bxc6 Qxc6 {[#]} 16. Bg5 $146 ({Predecessor:} 16. Bb2 Rfd8 17. Rad1 Qf3 18. Rd3 Qh5 19. Rfd1 Ng4 20. h4 Ne5 21. g4 Qxh4 22. Nb5 {0-1 (32) Tadic,S (2349)-Stefansson,V (2371) Arandjelovac 2021}) 16... Be7 17. Rad1 {[%CAl Oc3e4] } h6 18. Bxf6 Bxf6 19. Qe3 Rfd8 20. Rxd8+ Rxd8 21. Rd1 {Prevents Bd4.} Rxd1+ 22. Nxd1 Qd7 23. Nc3 a6 24. Kg2 Bd4 25. Qf3 g5 26. Ne2 Bc5 27. g4 Qd2 28. a4 ( 28. Nc3 $11) 28... a5 (28... Qd1 $1 $15) 29. Nc3 {The position is equal.} Qd4 30. Ne4 Be7 31. h3 Kg7 32. Ng3 Bc5 33. Nh5+ Kf8 34. Nf6 Kg7 35. Nh5+ Kf8 36. Nf6 Kg7 {An even fight not without its subleties. Weighted Error Value: White=0.02 (flawless) /Black=0.03 (flawless)} 1/2-1/2