[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.13"]
[Round "1.1"]
[White "Roselli Mailhe, Bernardo"]
[Black "Vazquez, Facundo"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "2429"]
[BlackElo "2200"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,139,0,0,0,6,0,25,22,30,20,15,18,18,0,0,0,0,-33,-11,-43,-50,-45,0,0,0,0,6,-32,-40,-27,-19,-21,0,0,0,0,0,-22,-16,-16,0,-27,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,-9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-23,0,0,0,0,0,0,0,0,0,5,212,216,321,216,222,210,5165,119,5165,5093,29981,29982,29982,29983,29983,29981,29980,0,0,0,29976,29974,5081,899,1957,0,0,0,1260,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. a4 Be7 10. Be2 O-O 11. O-O {B33: Sicilian: Pelikan and Sveshnikov Variations.} Nd7 12. Bd2 $1 {[%mdl 4] is more profitable than 12.Kh1 at the moment.} a6 13. Na3 {White has an edge.} a5 14. Nb5 f5 15. f4 Bf6 16. Kh1 Nc5 {[#]} 17. Be3 $146 ({Predecessor:} 17. c3 b6 18. Be3 g6 19. Na3 exf4 20. Bxf4 g5 21. Be3 Ra7 22. Nc4 Rg7 23. b4 {1-0 (39) Gukesh,D (2542)-Lombaers,P (2383) Caleta 2020}) 17... b6 18. Ra3 Ba6 19. c3 exf4 20. Bxf4 Bxb5 21. Bxb5 Ra7 22. Ra1 Bg5 23. Qc2 Bxf4 24. Rxf4 g6 25. Raf1 Raf7 26. b4 Nd7 27. Bxd7 Qxd7 28. bxa5 bxa5 29. Qd3 Rc8 30. Rc4 Rff8 31. h3 Rxc4 32. Qxc4 $11 {[%mdl 4096] Endgame KQR-KQR} Rc8 33. Qd4 (33. Qa6 {feels hotter.} Rc5 34. Rb1 Qe7 35. c4 Kg7 36. Rb7) 33... Qg7 34. Qb6 Qc7 35. Qe3 Qf7 36. Qd3 Qc7 37. Qe2 Qf7 38. c4 Re8 39. Qd2 Qc7 40. Re1 Rxe1+ 41. Qxe1 {KQ-KQ} Qc5 42. Qe7 Qb4 43. Kh2 Qc5 44. Qd7 (44. Qe8+ {is more complex.} Kg7 45. Qe7+ Kg8) 44... f4 45. Qe6+ Kg7 46. Qe7+ Kg8 47. Qe8+ (47. h4 {is interesting.} Qf2 48. Qe6+ Kg7 49. Qd7+ Kg8 50. Qe6+) 47... Kg7 48. Qe4 Qf2 49. Qd3 g5 50. Qe4 h6 51. Qe7+ Kg8 52. Qd8+ (52. Kh1 {looks sharper.} f3 53. Qe6+ Kg7 54. Qe7+ Kg8) 52... Kg7 53. Qxa5 {Qc3+ is the strong threat.} Qg3+ 54. Kh1 {White wants to play Qc7+.} Kg6 $2 (54... Kf6 $1 $11 {and Black is okay.}) 55. Qd2 $1 $18 Qb3 (55... h5 $142 56. Kg1 Qb3) 56. Qe2 Qxa4 57. Qe6+ Kh5 $2 (57... Kh7 58. Qe7+ (58. Qxd6 Qxc4 59. Qe7+ Kg6 $11) 58... Kg8) 58. Qxd6 $2 (58. c5 $18 dxc5 59. d6 Qa1+ 60. Kh2) 58... Qxc4 $2 {[%mdl 8192]} (58... Qd1+ $16 59. Kh2 Qe1) 59. Qe6 Qf1+ 60. Kh2 Qd3 61. d6 Qg3+ 62. Kh1 Qd3 63. Qg4+ Kg6 64. Qe6+ Kh5 65. d7 f3 66. Qe8+ (66. Kh2 $142 fxg2 67. Kxg2 Qc2+ 68. Kg1 Qd1+ 69. Kf2) 66... Kh4 {[#]} 67. Qe1+ $2 (67. Kg1 $1 $18 Qd4+ 68. Kf1 fxg2+ 69. Kxg2 Qd2+ 70. Kf1 Qd3+ 71. Ke1 Qg3+ 72. Ke2 Qg2+ 73. Ke3 Qg1+ 74. Ke4 Qg2+ 75. Ke3 Qg1+ 76. Ke4 Qg2+ 77. Ke5 Qg3+ 78. Kf6 Qf3+ 79. Kg7 Qc3+ 80. Kxh6 Qc6+ 81. Kg7) 67... Kh5 $11 68. Qe8+ $2 {[%mdl 8192]} (68. g3 $11 Qe2 69. g4+ Kg6 70. Qxe2 (70. Qb1+ Kg7 $11) 70... fxe2 71. d8=Q e1=Q+ 72. Kg2) 68... Kh4 $18 {[#] ( -> ...Qf1+)} 69. Qe1+ $2 (69. Kg1 $1 $18 Qd4+ 70. Kf1 fxg2+ 71. Kxg2 Qd2+ 72. Kf1 Qf4+ 73. Ke2 Qc4+ 74. Ke3 Qb3+ 75. Kd4 Qb4+ 76. Ke5 Qc3+ 77. Kf5 Qxh3+ 78. Kf6 Qf3+ 79. Kg7 Qc3+ 80. Kh7) 69... Kh5 $11 70. Qe8+ {Weighted Error Value: White=0.19/Black=0.28} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.13"]
[Round "1.2"]
[White "Coppola, Claudio"]
[Black "Curi, Gabriel"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2233"]
[BlackElo "2156"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,99,44,20,22,22,19,0,31,6,30,26,112,106,159,0,0,0,0,0,41,25,64,61,110,33,24,29,103,126,129,92,91,95,94,85,93,81,181,172,212,201,224,206,210,218,239,240,237,239,241,230,287,281,271,250,373,353,477,477,511,510,509,501,506,502,443,404,536,535,510,506,472,472,538,528,618,600,729,722,618,431]} 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O c5 7. cxd5 exd5 8. Nc3 Nc6 9. Bg5 c4 {outshines the older 9...cxd4.} 10. Ne5 Be6 11. Qd2 h6 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} 12. Bxf6 Bxf6 13. f4 Ne7 {[#] The position is equal.} 14. b3 $146 ({Predecessor:} 14. e4 Bxe5 15. fxe5 Qd7 16. Rad1 Rad8 17. g4 Bxg4 18. exd5 Bxd1 19. Qxd1 f6 20. Re1 fxe5 21. dxe5 {0-1 (33) Zhu,C (2447)-Edouard,R (2659) Doha 2014}) 14... Bxe5 15. fxe5 Qa5 (15... Rc8 $11) 16. bxc4 $16 Rac8 (16... dxc4 $142 17. Rab1 (17. Bxb7 Rad8 $16) 17... Rab8) 17. Ne4 $2 Qxd2 $11 18. Nxd2 dxc4 19. Bxb7 Rc7 20. Be4 Rd8 21. e3 Bd5 22. Bxd5 (22. Rfc1 $16) 22... Nxd5 $14 23. Kf2 Rb8 (23... f6 $1 $11) 24. Rab1 $16 Rxb1 25. Rxb1 {[%mdl 4096] Endgame KRN-KRN} c3 26. Rb8+ Kh7 27. Nb3 c2 28. Nc1 Kg6 (28... Nc3 $16) 29. e4 $18 Nc3 30. Ke3 Nd1+ 31. Ke2 $1 Rc4 32. Kd3 Rc3+ 33. Kd2 Rc4 34. d5 Rxe4 {[#]} 35. Nd3 ({Inferior is} 35. Kxc2 Ne3+ 36. Kd3 Rxe5 $11) 35... Ne3 {[#]} 36. d6 {[%cal Rd6d7] Hoping for d7.} Rd4 37. Rc8 Nc4+ (37... Ng4 $142) 38. Kxc2 Kf5 39. Kc3 {[%mdl 64] Double Attack} Nxd6 40. exd6 ({Stronger than} 40. Kxd4 Nxc8 41. Kd5 g5 $11) 40... Rxd6 {KRN-KR} 41. Rc7 Ra6 42. Rxf7+ {[%mdl 64] Double Attack} Kg4 43. Rf2 g5 44. Nc5 {White is clearly winning.} Rc6 45. Kb4 h5 46. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rb6+ 47. Kc4 Rb1 48. a5 Kh3 49. Ne4 Kg4 50. Nf6+ {Weighted Error Value: White=0.10/Black=0.36} 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.13"]
[Round "1.3"]
[White "Carbone, Diego"]
[Black "Guerrero, Alvaro"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2224"]
[BlackElo "2112"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,117,13,8,16,14,18,13,35,33,36,35,52,48,49,37,53,37,50,0,42,26,30,0,20,0,0,8,8,0,52,52,48,54,76,72,72,72,97,77,124,105,116,99,114,71,104,104,105,94,126,100,132,102,220,164,243,243,238,231,223,200,272,238,254,239,256,26,236,236,450,414,465,375,375,375,526,514,511,487,774,737,758,741,749,746,734,715,981,944,901,684,677,677,677,677,760,706,714,709,980,965,1601,1578,1470,1486,1385,1371,1337,1297]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Bxd2+ 5. Nxd2 d6 6. Ngf3 Nbd7 {E11: Bogo-Indian.} 7. Bg2 O-O 8. O-O Qe7 {The position is equal.} 9. e4 e5 10. Re1 {[#]} c5 $146 ({Predecessor:} 10... Rd8 11. Qc2 c5 12. dxc5 Nxc5 13. h3 Be6 14. b4 Ncd7 15. Rac1 Rdc8 16. Qb3 Nb6 17. Rc2 {½-½ (51) Abelgas,R (2270)-Zou,C (2232) Hong Kong 2014}) 11. d5 Ne8 12. Qc2 g6 13. Nh4 Ng7 14. Nf1 Nf6 15. Ne3 Nfh5 16. Bf1 b6 17. Bd3 Bd7 18. Neg2 Rae8 19. Qd2 g5 (19... f5 $11) 20. Nf5 $14 Nxf5 21. exf5 f6 22. Be4 Ng7 23. Ne3 Kh8 24. Kg2 Rg8 25. f3 Rb8 26. Rh1 Nh5 27. Kf2 Be8 28. a4 a6 29. Ng4 Kg7 30. h4 {[#] hxg5 is the strong threat.} Kf8 31. Rh3 Qg7 (31... b5 $16) 32. Rah1 Rb7 (32... b5 {was called for.}) 33. hxg5 $18 Qxg5 34. Qxg5 Rxg5 {[#]} 35. Ne3 $1 Kg8 36. g4 Nf4 37. Rh6 Rf7 38. Ra1 (38. Bc2 $18) 38... a5 $2 {This costs Black the game.} (38... Kg7 $1 $11 {and Black stays safe.} 39. Rah1 Kh8) 39. Bc2 Rgg7 $2 (39... Rf8 40. b3 Rg7) 40. Rah1 Rg5 41. Nd1 Rgg7 42. Nc3 Kf8 (42... Bd7 {is a better defense.} 43. Ke3 (43. Ne4 Bxf5 44. Nxf6+ Rxf6 $16) 43... Kf8) 43. Ne4 {White is clearly winning.} Ke7 44. g5 Rxg5 (44... Kd8 $142 45. Ke3 (45. Rxf6 Rxf6 46. Nxf6 Rxg5 $11) 45... Ng2+ 46. Kd2 fxg5 47. Nxd6 Rf8) 45. Nxg5 fxg5 46. Rxh7 Rxh7 47. Rxh7+ {[%mdl 4096] Endgame KRB-KBN} Bf7 48. Rh8 Be8 49. f6+ Kf7 50. Rh7+ Kxf6 51. Rb7 e4 52. fxe4 Bh5 53. Rxb6 Ke5 54. Ra6 Ng6 55. Rxa5 Kf4 56. Ra8 g4 57. e5 g3+ 58. Kg1 Nxe5 59. Rf8+ {Weighted Error Value: White=0.26/Black=0.39} 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.13"]
[Round "1.4"]
[White "Hoffman, Alejandro"]
[Black "Dominguez, Facundo"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2474"]
[BlackElo "2160"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,41,0,10,-20,-17,-31,4,0,9,7,104,100,160,167,225,207,266,180,187,0,127,128,109,114,491,450,29997,29998,29998,29999]} 1. d4 e6 2. Nf3 Nf6 3. Bg5 d5 4. e3 Be7 5. Nbd2 Nbd7 6. Bd3 O-O 7. c3 $1 {[%mdl 4] is recently more successful than 7.0-0.} c5 8. Qb1 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} h6 9. Bf4 b6 10. g4 {[#] The position is equal.} cxd4 $146 ({Predecessor:} 10... Bb7 11. g5 Nh5 12. gxh6 Nxf4 13. Bh7+ Kh8 14. hxg7+ Kxg7 15. Rg1+ Kh8 16. exf4 f5 17. Bg6 cxd4 18. Nxd4 Rg8 19. Qd1 {1-0 (19) Ghane Gardeh,S (2408)-Alsharfi,S (2136) Al Ain 2008}) 11. exd4 Nxg4 (11... Re8 $11 {remains equal.}) 12. Rg1 $1 $16 {[%cal Rg1g4]} h5 ({Black should try} 12... f5) 13. h3 {[%mdl 1024] White has strong compensation.} Ngf6 (13... e5 $142) 14. Ne5 Bb7 15. Bh6 Ne8 {[#]} 16. Bh7+ (16. Nxd7 $1 $18 Qxd7 17. Qd1) 16... Kh8 {[#] White must now prevent ...Nxe5.} 17. Ng6+ {[%mdl 512]} fxg6 18. Qxg6 $40 {[%cal Rh6g7][%mdl 128] White wants a kill.} Bf6 {[%mdl 8192]} ({Inferior is} 18... gxh6 19. Bg8 Ndf6 20. Qxh6+ Nh7 21. Qxh7#) (18... Bg5 $16 19. Bxg5 Qc7) 19. Qxh5 $18 {Bg6 would kill now.} Kxh7 (19... gxh6 $18 20. Qxh6 Bg5 21. Rxg5 Qxg5 22. Qxg5 Kxh7 23. Qe7+ {[%mdl 64] Double Attack} Kg8 24. Qxd7 Rf7 25. Qxe6 Ng7) 20. Bxg7+ $1 Kg8 21. Bxf6+ {[%mdl 64] Discovered Attack.  Weighted Error Value: White=0.21/Black=1.11} 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.13"]
[Round "1.5"]
[White "Michailov, Matias"]
[Black "Lopez Azambuja, Nicolas"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2251"]
[BlackElo "2317"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,75,-4,-7,0,0,0,-22,0,-55,0,-37,-25,-28,-22,-94,-76,-119,-74,-114,-91,-239,-71,-76,-57,-56,0,0,9,-43,228,233,856,835,1287,1268,1228,1179,1700,2029,1980,1859,29989,29990,29991,29992,29992,29993,29993,29994,29994,624]} 1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 Be7 5. O-O O-O 6. b3 b6 7. Bb2 c5 8. c4 cxd4 9. exd4 Bb7 10. Qe2 Nc6 11. Nbd2 Re8 12. Rac1 Rc8 13. Rfd1 Bf8 14. h3 g6 {E14: Queen's Indian: Classical Variation (4 e3).} 15. Qe3 Bg7 16. a3 a5 {[#] The position is equal.} 17. Nf1 $146 (17. Ne5 $11) ({Predecessor:} 17. Ne5 dxc4 18. Nxc6 Bxc6 19. bxc4 Qd7 20. Rb1 b5 21. Bf1 Rb8 22. Ba1 bxc4 23. Nxc4 {½-½ (57) Kempinski,R (2600)-Istratescu,A (2645) Eretria 2011}) 17... Qe7 ({Better is} 17... a4 $15) 18. Ng3 Qf8 19. Qf4 Red8 20. a4 (20. Qh4 $11) 20... Nb4 21. Bb1 Ne8 22. Qh4 dxc4 {Hoping for ...Bxf3.} 23. bxc4 (23. Ng5 $17 {was called for.} Nf6 24. bxc4) 23... Bc6 $2 (23... Bxf3 $19 {has better winning chances.} 24. gxf3 Nd6) 24. Ne5 Bxa4 25. Re1 Nf6 (25... Nd6 $15) 26. Rc3 $1 $40 {[%mdl 128] White mounts an attack.} Nd7 {...Nxe5 is the strong threat.} 27. Ne4 (27. Ng4 $1 $11) 27... f6 $2 {[%mdl 8192] [#]} (27... Nxe5 $15 {stays ahead.} 28. dxe5 Bc6 29. Nf6+ Bxf6 30. exf6 Rd7) 28. Rf3 $1 $18 Qe7 (28... Nc2 29. Bxc2 Bxc2) 29. Nxd7 Qxd7 30. Nxf6+ Bxf6 31. Rxf6 Bc2 32. d5 {Bxc2 would kill now.} e5 33. Bxc2 Nxc2 34. Rxe5 {White mates.} Rf8 35. Ree6 Qg7 {[#]} 36. Rxg6 $3 {[%mdl 512]} Qxg6 37. Rxg6+ hxg6 38. Qh8+ {What a bad dream for Black.  Weighted Error Value: White=0.26/Black=0.60} (38. d6 $142 Rc7 39. dxc7 Rc8 40. Qe7 Nd4 41. Bxd4 Rxc7 42. Qe8+ {[%mdl 64] Double Attack} Kh7 43. Qh8#) 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.14"]
[Round "2.1"]
[White "Vazquez, Facundo"]
[Black "Lopez Azambuja, Nicolas"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2200"]
[BlackElo "2317"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,33,33,29,32,33,39,33,34,34,56,71,72,45,64,45,53,40,35,33,65,20,90,91,87,97,78,77,92,67,68,56,110,118,116,109,93,50,87,22,29,26,42,55,46,50,62,56,57,62]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 a5 5. Bg2 Ba6 6. b3 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} c6 7. O-O d5 8. Qc2 Nbd7 9. Nbd2 {[#]} Bb4 $146 ({Predecessor:} 9... Be7 10. Bb2 O-O 11. e4 Rc8 12. Rfd1 Qc7 13. Rac1 Qb8 14. Qb1 Rfd8 15. Ne5 Bb7 16. cxd5 cxd5 17. Rxc8 Rxc8 18. exd5 Nxe5 19. dxe5 Nxd5 {0-1 (41) Checa,N (2427)-Kamsky,G (2665) New York 2015}) 10. e4 O-O 11. Bb2 Bb7 12. Rac1 h6 13. a3 Be7 14. Rfe1 Ra7 15. Ne5 dxc4 (15... Nxe5 $11 {remains equal.} 16. dxe5 Nxe4) 16. Ndxc4 b5 17. Nxd7 Nxd7 18. Ne3 Ba8 19. d5 cxd5 20. exd5 Nf6 (20... Bf6 $14) 21. dxe6 $16 fxe6 22. Bxa8 Qxa8 23. Qc6 Ra6 24. Qxa8 ({Better is} 24. Qxb5 $16 {Black must now prevent Nf5.} Ne4 25. f4) 24... Rfxa8 $11 25. Rc7 R6a7 26. Rxa7 {White is slightly better.} Rxa7 27. Nc2 Kf7 28. Nd4 b4 29. axb4 {Weighted Error Value: White=0.12/Black=0.17} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.14"]
[Round "2.2"]
[White "Dominguez, Facundo"]
[Black "Michailov, Matias"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2160"]
[BlackElo "2251"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,105,26,39,30,36,34,24,29,45,43,36,41,46,40,77,54,84,47,99,49,69,57,57,54,59,44,166,161,199,204,220,220,256,194,177,186,177,166,154,76,69,-85,-87,-165,-156,-154,-141,-130,-110,-151,-117,-152,-141,-184,-173,-187,-182,-303,-291,-302,-305,-291,-243,-232,52,-31,48,60,56,54,79,10,45,10,12,11,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 a5 9. Bd3 {C05: French Tarrasch: 3...Nf6 4 e5 Nfd7, 5 f4 and 5 Bd3 sidelines.} Nb6 10. Ne2 a4 11. O-O {White has an edge.} Bd7 12. g4 Nc4 13. f5 Qb6 {[#]} 14. Kh1 $146 ({Predecessor:} 14. Rf2 Be7 15. Kg2 Nb4 16. Bb1 a3 17. b3 Nb2 18. Qd2 g6 19. fxg6 hxg6 20. Ng5 Rg8 21. Nxf7 Bb5 22. Nf4 Kd7 23. Bxg6 Rac8 {0-1 (23) Joshi,G (2266)-Shyam,S (2501) New Delhi 2013}) 14... Nb4 15. Bb1 Be7 16. Nf4 O-O-O (16... Nc6 $14) 17. a3 Nc6 {[%cal Bb4c6,Bc6a5,Ba5b3][%mdl 32]} 18. Bc2 $1 N6a5 19. Bxa4 Bxa4 20. Qxa4 h5 ({Black should play} 20... Nb3 $14 21. Rb1 Nxd4) 21. gxh5 $18 {Threatens to win with fxe6.} (21. Nxh5 exf5 22. b4 (22. Nxg7 fxg4 23. Nf5 gxf3 $17) 22... Nc6 $17) 21... Qb3 22. Qxb3 Nxb3 23. Rb1 (23. fxe6 $6 fxe6 24. Rb1 (24. Nxe6 Nxa1 25. Bg5 Nb3 $17) 24... Kd7 $16) 23... Kd7 24. fxe6+ fxe6 25. Ng6 $1 {[%cal Rg6e7]} Rxh5 26. Nxe7 Nxc1 27. Nxd5 Nd3 $16 {[#]} 28. Nc3 (28. b3 $1 $14 {stays ahead.} Nxa3 {[#]} 29. Rbd1 $1) 28... Ne3 $17 29. Ne4 (29. Rfe1 $17 Nxe1 30. Rxe1) 29... Nxf1 30. Rxf1 Rf8 (30... Nxb2 31. Rb1 $11) 31. Kg2 b6 {[%mdl 1024] Black has strong compensation.} ({Don't play} 31... Nxb2 $6 32. Nc5+ (32. Rb1 Nd3 $11) 32... Ke7 33. Rb1 $11) 32. b4 Rhh8 33. Rd1 Nf4+ 34. Kg1 Nd5 35. Rd3 Rc8 36. Nfd2 (36. Rb3 {was necessary.}) 36... Rc1+ $19 37. Nf1 Rf8 38. Ned2 Rf4 39. Rg3 Rxd4 $2 (39... g5 $19 40. Kg2 Ra1 41. Rxg5 Rxa3) 40. Rxg7+ (40. Nb3 $14 Rxf1+ 41. Kxf1 Rf4+ 42. Kg1) 40... Kc6 (40... Ke8 $1 $15 41. Nb3 {[%mdl 64] Double Attack} Rc7 42. Rxc7 (42. Rg8+ Kf7 $17) 42... Rg4+ 43. Kf2 Nxc7) 41. Nb3 $14 {[%cal Rb3d4][%mdl 64] Double Attack} Rxf1+ 42. Kxf1 {[%cal Rb3d4][%mdl 4096] Endgame KRN-KRN} Re4 43. Rg5 (43. Kf2 $16) 43... Kb5 44. Nd2 Re3 {The position is equal.} 45. Rg3 {Rxe3 is the strong threat.} Rxe5 46. h4 Rh5 47. Rh3 Nf4 48. Rh1 Ka4 49. Kf2 Kxa3 50. Nc4+ Kxb4 51. Nxb6 Kc5 52. Nd7+ Kd6 53. Nf6 {White happily takes the draw.  Weighted Error Value: White=0.25/Black=0.29} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.14"]
[Round "2.3"]
[White "Curi, Gabriel"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2156"]
[BlackElo "2224"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,49,41,30,0,49,53,34,8,8,8,8,8,8,8,8,-147,0,0,0,0,0,-3,-3,-6,0,0,2,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. a4 Rb8 10. Na3 O-O 11. axb5 axb5 12. Nxb5 Bg4 13. Ra4 {C78: Ruy Lopez: Archangelsk and Möller Defences.} exd4 14. cxd4 Re8 15. Re1 {White is slightly better.} Qd7 16. Bc2 d5 {[%cal Rd5e4]} 17. e5 Ne4 18. Nc3 {Strongly threatening Nxd5!} ({Much weaker is} 18. Bxe4 dxe4 19. Rxe4 Nxe5 $1 $17) 18... Nxe5 $1 19. Nxd5 $2 {[#]} Qxd5 ({Black should play} 19... Nxf2 $1 $17 {[%mdl 512]} 20. Nf6+ gxf6 21. Kxf2 Bf5 22. Bxf5 Qxf5) 20. Bxe4 $11 {The position is equal.} Nxf3+ 21. gxf3 Rxe4 22. Rxe4 {[#]} Qxe4 {[#]} 23. fxg4 $146 ({Predecessor:} 23. fxe4 Bxd1 24. Rc4 Re8 {0-1 (24) Atakisi,U (2238)-Fedorchuk,S (2457) Oropesa del Mar 1999}) 23... Rd8 24. Be3 h6 25. d5 {Weighted Error Value: White=0.33/Black=0.20} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.14"]
[Round "2.4"]
[White "Roselli Mailhe, Bernardo"]
[Black "Coppola, Claudio"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2429"]
[BlackElo "2233"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,117,18,8,20,11,18,11,46,49,40,34,38,43,69,4,13,18,18,1,23,16,14,13,45,44,46,-22,-28,-12,-7,-41,-51,-54,-18,-41,-16,-16,-22,-38,0,-9,-4,-41,-24,-42,-10,-16,106,93,271,261,277,277,275,277,264,266,271,271,272,266,331,279,287,267,267,259,385,362,529,522,512,504,929,910,913,896,29960,29963,29973,29969,29970,29970,29969,29969,29972,29973,29973,29963,29973,29975,29975,29974,29974,29975,29977,29978,29978,29977,29977,29978,29982,29983,29983,29984]} 1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. d3 e5 7. Be3 Be7 8. Rc1 Nd7 {A34: Symmetrical English: 2 Nc3, lines with ...d5.} 9. Nf3 O-O 10. Nd2 {[#] was the old line (10.0-0).} Bg5 $146 {The position is equal.} ({Predecessor:} 10... Rb8 11. f4 b6 12. Qa4 a6 13. O-O Nf6 14. Kh1 Ncd5 15. Nxd5 Nxd5 16. Bg1 exf4 17. gxf4 {1-0 (40) Cekro,E (2434)-Michiels,B (2450) Westerlo 2004}) 11. Bxg5 Qxg5 12. O-O Qe7 13. Nc4 Nf6 14. a4 (14. Qb3 $14) 14... Na6 15. Qd2 Nb4 16. a5 h6 17. f4 exf4 18. Qxf4 Rd8 19. Ne3 Be6 20. Nf5 (20. Qe5 $14) 20... Bxf5 $11 21. Qxf5 Rac8 22. Ne4 {[%cal Re4f6]} Nfd5 {White must now prevent ...Ne3.} 23. Qf2 {[%cal Rc1c5]} b6 24. g4 Nc6 25. axb6 axb6 26. h4 Nd4 27. g5 {[#]} Nf4 $1 28. Rce1 (28. Kh1 $5 {[%cal Rf2f4]} hxg5 29. hxg5 $11) 28... hxg5 29. hxg5 Nde6 30. Qg3 Nxg2 (30... Ng6 $11 {keeps the balance.}) 31. Kxg2 $16 Rd5 $2 {[#] A mistake that costs the game.} (31... Rd4 $16) 32. Nf6+ $1 $18 {[%mdl 512]} Qxf6 33. gxf6 Rg5 34. Qxg5 Nxg5 35. fxg7 Kxg7 {[%mdl 4096] Endgame KRR-KRN} 36. Ra1 Re8 37. Kf2 Kf6 38. Ra7 Ke5 39. Rb7 Re6 40. Ke3 Kd5+ (40... Rd6 {keeps fighting.} 41. Ra1 f5) 41. Kd2 c4 (41... Kc6 $142) 42. Rf5+ {[%mdl 64] Double Attack} Kc6 43. Rb8 ({Not} 43. Rxg5 Kxb7 44. dxc4 Rf6 $16) 43... cxd3 (43... f6 $142 44. Rc8+ Kd7) 44. Rxg5 Rxe2+ 45. Kxd3 Rxb2 46. Rf5 {White mates.} Kc7 47. Rh8 Kb7 48. Kc3 Rg2 49. Rxf7+ Ka6 50. Ra8+ Kb5 51. Rf5+ Kc6 52. Raf8 Kb7 53. Rf2 Rg3+ 54. Kc4 Ka6 55. R2f3 Rg4+ 56. Kd5 Rg5+ 57. R8f5 Rg1 58. Ra3+ Kb5 59. Rb3+ {Weighted Error Value: White=0.11/Black=0.46} 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.14"]
[Round "2.5"]
[White "Guerrero, Alvaro"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2112"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,110,0,0,0,0,-22,-22,-26,-16,-26,-19,-20,-20,-22,44,-21,-7,-55,-50,-86,-66,-85,-81,-72,-67,-68,-12,-26,0,0,12,2,0,10,108,100,93,103,129,113,130,117,99,107,121,121,137,34,43,15,9,0,0,0,45,41,46,27,57,57,52,46,60,0,62,56,123,122,197,153,153,153,363,356,342,339,235,-139,136,141,147,134,127,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. O-O c5 6. d3 Nc6 7. c3 Nge7 8. a3 O-O 9. b4 a6 10. Nbd2 {10.Nbd2 is better than 10.Be3. A04: Unusual lines after 1 Nf3 and King's Indian Attack.} h6 11. Nb3 b6 12. Nfd2 Be6 13. Bb2 Qd7 {[#]} 14. Qe2 $146 ({Predecessor:} 14. Nc4 Rab8 15. Ne3 f5 16. d4 exd4 17. cxd4 cxb4 18. Rb1 d5 19. e5 Rfc8 20. axb4 Nxb4 {½-½ (79) Weber,S (2197)-Haack,K (1869) Vellmar 2018}) 14... Rfe8 15. Rfc1 cxb4 (15... a5 $11 16. b5 a4 $1 17. bxc6 Nxc6) 16. cxb4 (16. axb4 $14 d5 17. Ra3) 16... d5 17. exd5 Bxd5 18. Qf1 Rad8 19. Bh3 f5 20. Nc4 Qe6 21. Nbd2 Nd4 ({Better is} 21... b5 $15 22. Ne3 Qd6) 22. Bxd4 $11 exd4 (22... Bxc4 $5 23. Rxc4 b5 $11) 23. Re1 Qf6 24. Bg2 b5 25. Na5 h5 (25... Bf7 $11 {keeps the balance.}) 26. Nb7 $1 $16 {[%cal Rb7d8]} Bxb7 27. Bxb7 Bh6 28. Nb3 f4 29. Qg2 fxg3 30. hxg3 h4 31. gxh4 Nf5 32. h5 ({White should play} 32. Qg4 $16) 32... Kh8 $1 $14 33. Rxe8+ (33. hxg6 Rg8 $17) 33... Rxe8 34. Qc6 (34. Qxg6 $2 Rg8 $19) 34... Qg5+ 35. Qg2 Qxh5 36. Bf3 $36 {[%mdl 2048] Black is under pressure.} Qh4 37. Qg4 Qf6 38. Nc5 Re7 39. Be4 Rh7 40. Re1 (40. Bg2 $14) 40... Bf8 ({Black should try} 40... Bd2 $1 $11 41. Rd1 Rh4 $1) 41. Bg2 {Strongly threatening Re8.} Rh4 (41... Bd6 $14) 42. Qf3 $16 Rh7 (42... Be7 $16 {was called for.}) 43. Re6 Qg5 {[#]} 44. Re8 $1 {[%cal Re8f8]} Rf7 (44... Qc1+ $16 45. Bf1 Qh6) 45. Ne6 $18 ({Inferior is} 45. Nxa6 Kg8 $11) 45... Qc1+ 46. Bf1 Kg8 47. Nxf8 $2 (47. Qa8 $18 {[%cal Re8f8]} Qh6 48. f4 (48. Nxf8 Rxf8 49. Rxf8+ Qxf8 $14) (48. Qxa6 Ng7 $11)) 47... Rxf8 $2 {[%mdl 8192]} (47... Nd6 $17 48. Ne6+ Nxe8) 48. Qd5+ $16 Kg7 49. Qe5+ Rf6 {[#]} 50. Rg8+ Kxg8 $11 {The position is equal.} 51. Qxf6 {[%mdl 64] Double Attack} Kh7 52. Qxa6 Qg5+ 53. Bg2 Qc1+ 54. Bf1 Qg5+ 55. Bg2 Qc1+ {Weighted Error Value: White=0.28/Black=0.36} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.15"]
[Round "3.1"]
[White "Coppola, Claudio"]
[Black "Vazquez, Facundo"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2233"]
[BlackElo "2200"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,97,45,41,84,61,70,62,106,86,91,66,75,68,89,76,77,58,154,150,139,148,179,181,414,363,362,362,333,274,279,277,289,283,339,339,347,352,415,398,423,436,600,616,599,612,614,601,593,572,806,801,800,798,924,941,884,555,1007,981,1745,1415,3047,576,562,548,577,547,29976,29977,29977,29978,29978,29979,29980,29981,29981,29982,29983,29984]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bh4 g5 10. Bg3 Nh6 11. h3 Nd7 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} 12. Qd2 c6 {[#]} 13. d5 $146 ({Predecessor:} 13. Rd1 Qe7 14. O-O Nf7 15. Rfe1 Re8 16. b4 Nf8 17. d5 Ng6 18. c5 g4 19. hxg4 {1-0 (43) Milekic,D (2309)-Pantovic,D (2081) Belgrade 2018}) 13... c5 {White is slightly better.} 14. O-O Rf7 15. Rab1 Nf8 16. b4 b6 17. bxc5 bxc5 18. Rb3 g4 {Black is now going downhill.} ({Black should play} 18... Ng6 $14) 19. hxg4 $16 Nxg4 20. Nh4 Bh6 21. Qb2 a6 $2 (21... Bg5 22. Rb8 Rxb8 23. Qxb8 Rb7) 22. Rb8 Rxb8 23. Qxb8 {Black must now prevent Bxg4.} Nd7 24. Qxd6 Bf8 {[#]} 25. Qc6 Nb8 26. Qa4 Nh6 27. Rb1 Bd6 28. Bd3 Rg7 29. Nf5 Bxf5 30. exf5 Rxg3 31. fxg3 e4 32. Nxe4 Be5 33. Qd1 Nd7 34. Qh5 Kg7 35. g4 Nf7 36. g5 fxg5 37. Rb7 Bd4+ 38. Kh1 {f6+! is the strong threat.} Qa5 {intending ...Qe1+.} 39. Qe2 Nfe5 40. Nxg5 {White wants to mate with Rxd7+!} Qc3 41. f6+ Kh6 {[#]} 42. Rxd7 $1 Kxg5 (42... Qc1+ 43. Kh2) 43. Rxh7 {Qh5+ would kill now.} Qxd3 44. Qxd3 {White mates.} Nxd3 45. f7 Nf2+ 46. Kg1 Ne4+ 47. Kf1 Ng3+ 48. Ke1 Bc3+ 49. Kd1 {Weighted Error Value: White=0.09/Black=0.35} 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.15"]
[Round "3.2"]
[White "Carbone, Diego"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2224"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,72,32,33,39,42,30,43,29,26,-15,-12,-25,-2,-59,-10,-3,-5,-3,-10,-9,-24,-50,-30,-21,-26,-120,-132,-133,-77,-89,-82,-83,-93,-152,-149,-209,-154,-269,-253,-261,-262,-263,-241,-279,-280,-556,-563,-546,-539,-1600,-1300,-2037,-2008]} 1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. g3 Bg7 6. Bg2 O-O 7. Nf3 e6 8. O-O exd5 9. cxd5 a6 10. a4 Re8 11. Bf4 Nh5 12. Bg5 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} Qc7 13. Qd2 Nd7 14. Rac1 {White is slightly better.} Rb8 {[#]} 15. g4 $146 ({Predecessor:} 15. b4 Qb6 16. bxc5 Nxc5 17. Rb1 Qc7 18. Nd4 Bd7 19. Nb3 Bf5 20. Rb2 Nd3 21. Rc2 Nxf2 22. Rcc1 Nh3+ 23. Bxh3 Bxh3 24. Rf2 Qb6 25. Rb1 Rbc8 26. Nd1 Bf5 {0-1 (26) Eynullayev,A (1919)-Borisovsky,D (2304) St Petersburg 2017}) 15... Nhf6 16. h3 b5 17. b4 (17. axb5 $11 axb5 18. b4) 17... Ne4 ({Much weaker is} 17... cxb4 $6 18. Nxb5 $1 Qb6 19. Rc6 $1 $16) 18. Nxe4 Rxe4 19. axb5 axb5 20. Be3 Rc4 21. Ng5 cxb4 (21... Rb7 $5 {[%cal Rc5b4]}) 22. Qxb4 Nf6 {And now ...h6 would win.} 23. Rfd1 h6 $17 24. Nf3 {[#]} Nxd5 $1 {[%mdl 512]} 25. Rxd5 {Rxc4 is the strong threat.} Rxc1+ (25... Rxb4 $2 {loses.} 26. Rxc7 Rb1+ 27. Kh2 $18) 26. Bxc1 Qxc1+ 27. Kh2 {[#]} (27. Bf1 $142 Qc6 28. Rxd6) 27... Bf8 $1 28. Nd4 (28. e3 $17) 28... Qc4 29. Qa5 (29. Qxc4 $17 {was the only defense.} bxc4 30. Be4) 29... b4 $19 {[%cal Bb5b4,Bb4b3,Bb3b2][%mdl 32] Strongly threatening ...b3.} 30. Qa7 Rb7 31. Qa4 Bd7 32. Qa8 Qc7 {Threatens to win with ...Ra7.} 33. Ra5 (33. Qa2) 33... d5+ $1 {Black is clearly winning.} 34. Kg1 b3 35. Ra1 b2 36. Rb1 Ra7 {Weighted Error Value: White=0.78/Black=0.09} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.16"]
[Round "3.3"]
[White "Lopez Azambuja, Nicolas"]
[Black "Dominguez, Facundo"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2317"]
[BlackElo "2160"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,148,17,20,20,20,22,17,50,26,26,9,12,12,13,16,15,15,39,58,54,49,61,50,51,35,52,0,0,0,0,-4,12,-76,0,0,0,0,65,69,73,68,87,54,45,47,89,71,82,81,99,71,67,58,64,55,69,77,93,76,79,89,105,64,67,62,77,75,150,28,28,8,8,8,8,8,17,8,8,8,8,8,8,8,8,8,28,0,8,0,0,0,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,17,0,0,0,0,0,0,0,17,17,17,17,17,17,17,17,17,0,17,17,17,17,17,17,17]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. e3 b6 6. Bd3 Bb7 7. O-O Bxd2 8. Nbxd2 d6 {E11: Bogo-Indian.} 9. e4 e5 10. Re1 Nbd7 {[#]} 11. Nf1 $146 {[%cal Bd2f1,Bf1e3,Be3d5][%mdl 32]} ({Predecessor:} 11. d5 a5 12. b3 h5 13. Nh4 g6 14. g3 Nc5 15. Bf1 Bc8 16. a3 Ng4 17. b4 {0-1 (66) Stevanec,L (2072)-Kaps,D (2240) Ljubljana 2011}) 11... O-O 12. Qc2 Rfe8 13. Ne3 exd4 14. Nd5 Qd8 15. Nxd4 c6 16. Nc3 Nc5 17. Rad1 Qc7 18. b4 Nxd3 19. Qxd3 d5 20. exd5 (20. c5 $14) 20... cxd5 $11 21. Rxe8+ Rxe8 22. Ndb5 Qe5 23. cxd5 {[#]} (23. Qe3 $11 {keeps the balance.}) 23... Nxd5 24. Nxd5 Bxd5 25. f4 $36 {[%mdl 2048] White fights for an advantage.} Qe4 (25... Qe7 $1 $11) 26. Qxe4 $1 $14 Bxe4 27. Nxa7 {[%mdl 4096] Endgame KRB-KRN} Kf8 28. Nb5 Bc6 29. Nd4 Bd5 30. a3 Ra8 31. Rd3 Bc4 32. Re3 Rd8 33. Nf3 Rd1+ 34. Kf2 f6 35. Rc3 Bd5 36. h4 h5 37. Ke3 Kf7 38. f5 Ke7 39. Rc7+ Kd6 40. Rxg7 Bxf3 ({Black should try} 40... Ra1) 41. Kxf3 $16 {KR-KR} (41. gxf3 $16 {And now Rb7 would win.} Ke5 42. Ra7) 41... Ke5 $1 $11 42. Rb7 Rd3+ 43. Ke2 Rxa3 44. Rxb6 Kxf5 45. Rc6 Ra2+ 46. Kf3 {Rc5+ is the strong threat.} Ra3+ 47. Kf2 Ra2+ 48. Kg3 Ra3+ 49. Kh2 Rb3 50. Rc4 Rb2 {The position is equal.} 51. Rc5+ Kg4 52. Rc4+ Kf5 53. Kg3 Rb3+ 54. Kf2 Rb2+ 55. Kg1 Rb1+ 56. Kh2 Rb2 57. Kh3 Rb3+ 58. g3 Rb2 59. Rf4+ Ke5 60. Rc4 Kf5 61. Rc5+ Kg6 62. Rb5 Kh6 63. Rb8 Kg7 64. b5 Kh7 65. b6 Kg7 66. b7 Kh7 67. Rf8 Rxb7 68. Rxf6 Rb2 69. Rf1 Kg6 70. Rf3 (70. Rg1 {looks sharper.} Rb3 71. Rc1 Kg7 72. Kg2 Rb2+ 73. Kh1) 70... Rc2 71. Rf1 Rb2 72. Rh1 Rc2 73. Ra1 Rb2 74. Ra6+ Kg7 {Weighted Error Value: White=0.13/Black=0.09} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.15"]
[Round "3.4"]
[White "Michailov, Matias"]
[Black "Guerrero, Alvaro"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2251"]
[BlackElo "2112"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,47,53,39,75,56,127,26,44,35,70,85,127,70,119,127,115,102,143,151,142,137,160,166,157,153,223,231,259,117,125,107,114,93,94,84,59,72,87,0,11,12,15,-45,3,6,3,5,16,-22,-8,-20,6,-94,-99,-187,-173,-218,-53,-457,-448,-514,-134,-150,-118,-115,-126,-359,-335]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 c5 5. dxc5 Nc6 6. Bb5 {B12: Caro-Kann: Advance Variation.} Qa5+ 7. Nc3 Rd8 {[#]} ({Black should try} 7... a6 $14 8. Bxc6+ bxc6) 8. Bxc6+ $146 (8. Nge2 $16) ({Predecessor:} 8. Nge2 Bd7 9. Bxc6 Bxc6 10. Qd4 e6 11. b4 Qc7 12. h5 Ne7 13. g4 Rc8 14. Be3 {0-1 (37) Van Blitterswijk,S (2250)-Spiridonov,N (2420) Avoine 1995}) 8... bxc6 $11 9. Qd4 Bxc2 10. e6 Nf6 11. Nf3 $40 {[%mdl 128] White attacks.} (11. exf7+ $16 Kxf7 12. Nf3) 11... Qa6 12. exf7+ Kxf7 13. Bf4 h6 14. Ne5+ Kg8 15. b4 e6 16. Rc1 Bf5 17. a4 Rc8 (17... Qc8 $16 18. f3 h5) 18. f3 $18 h5 {[#]} 19. Kf2 (19. b5 $1 $18 {[%cal Rb5a6] and the rest is easy.} cxb5 20. Nxb5) 19... Qb7 $16 20. Ne2 Nd7 21. Nxd7 Qxd7 22. Be5 a5 23. bxa5 Ra8 {[#]} 24. Bd6 (24. Qc3 $1 $16) 24... Bxd6 25. cxd6 {aiming for Qb6.} Rxa5 26. Ng3 (26. Qb6 $11 Rxa4 27. Rxc6) 26... Bg6 27. Qb6 Rxa4 {White must now prevent ...Ra2+.} 28. Rxc6 {Threatens to win with Rc7.} Ra2+ 29. Kg1 (29. Ne2 {feels hotter.} Kh7 30. Re1 e5 31. Kg1 Re8 32. Qc7) 29... Kh7 30. Qc7 Ra7 31. Qb6 (31. Qxd7 $11 Rxd7 32. Kf2) 31... Rb7 32. Qc5 (32. Rc7 $17 Rxc7 33. Qxc7 Qxc7 34. dxc7) 32... Rhb8 $19 {Strongly threatening ...Rb1+.} 33. Ne2 Rb5 $2 (33... Rb1+ $19 34. Kh2 Qd8) 34. Qc3 $2 {[%mdl 8192]} (34. Rc7 $15 Rxc5 35. Rxd7) 34... e5 {...d4 is the strong threat.} 35. Ra6 d4 $2 (35... Rb1+ $19 {and Black stays clearly on top.} 36. Kh2 Qd8 37. Rxb1 Qxh4+ 38. Kg1 Rxb1+ 39. Nc1 d4) 36. Qc7 $17 R8b7 37. Qxd7 Rxd7 38. Kf2 $2 (38. Ng3 $17) 38... Rb2 {Never resign too early!  Weighted Error Value: White=0.53/Black=0.48} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.15"]
[Round "3.5"]
[White "Hoffman, Alejandro"]
[Black "Curi, Gabriel"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "2474"]
[BlackElo "2156"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2021.03.13"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,82,54,86,2,12,14,15,0,48,44,43,0,0,0,0,-8,-8,-12,-9,-20,77,0,0,0,0,0,0,-152,-149,-701,-667,-675,-650,-772,0,0,0,-12834,-12834,-2148,-530,-509,0,-1461,0,-29987,-29988,-29988,-12837,-12837,-12835,-2911,-3729]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. exf6 Bb7 12. g3 Qb6 13. Bg2 O-O-O 14. O-O c5 15. d5 b4 16. Rb1 Bh6 (16... bxc3 $2 17. bxc3 exd5 18. Rxb6 $18) 17. Qc1 {D44: Semi-Slav: Botvinnik System.} Bxg5 $11 18. Qxg5 Rdg8 (18... bxc3 $2 19. bxc3 Qd6 20. dxe6 $18) 19. Qe3 {The position is equal.} Nxf6 {...Rxh2! is the strong threat.} ({But not} 19... bxc3 $2 20. bxc3 exd5 21. Rxb6 $18) 20. Na4 Qb5 21. dxe6 {[#]} Bxg2 $146 (21... Qxa4 $2 22. Qxc5+ Kb8 23. exf7 $18) ({Predecessor:} 21... Rxh2 22. Qxc5+ Qxc5 23. Bxb7+ Kb8 24. Nxc5 Rh5 25. exf7 Rf8 26. Ne6 Rxf7 27. Bg2 {1-0 (27) Vaclav,J-Nemec Czech Republic 1993}) 22. exf7 Rf8 ({Wrong is} 22... Bxf1 $2 23. fxg8=Q+ Rxg8 24. Qe6+ Qd7 25. Qxf6 $18) 23. Qe6+ Nd7 24. Kxg2 Qxa4 25. Rbd1 {Hoping for Rd6.} Kc7 (25... Rh7 $1 $11 {keeps the balance.}) 26. Rd6 ({Much worse is} 26. Qxc4 Rh5 $17) ({White should try} 26. Qf5 $16) 26... Rxf7 $1 {aiming for ...Rhf8.} 27. Ra6 Qb5 {White must now prevent ...Qb7+.} 28. Rxa7+ Kb8 {Threatens to win with ...Rfh7.} 29. a4 $2 bxa3 $1 $17 {[%mdl 64] Overworked Piece} 30. Rxa3 {[%mdl 8192]} (30. Qxf7 $17 Kxa7 31. Ra1) 30... Qb7+ $19 31. Kg1 {[#]} Rxh2 $3 {[%csl Gb7][%cal Rh2h1][%mdl 512]} 32. f3 (32. Kxh2 Rh7+) 32... Qxb2 $2 (32... Rfh7 $19 {( -> ...Rh1+)} 33. Qd6+ Kc8) 33. Qd6+ $11 Kb7 {[%csl Gh2][%cal Rb2g2]} 34. Qa6+ $2 {[%mdl 8192]} (34. Qd5+ $11 Kc7 35. Ra7+ Kd8 36. f4) 34... Kc7 $19 {[%csl Gh2][%cal Rb2g2]} 35. Qa7+ Kc8 {[%csl Gh2][%cal Rb2g2]} 36. Qa6+ Kc7 {[%csl Gh2][%cal Rb2g2]} 37. Qa7+ Kc8 $2 (37... Kd6 $19 {[%csl Gh2][%cal Rb2g2]} 38. Rd1+ Ke5 39. Qc7+ Kf6 40. Qf4+ Kg7 41. Qg5+ Kh7) 38. Qa8+ $2 {[%mdl 8192]} (38. Qa6+ $11 Kc7) 38... Nb8 {[%csl Gh2][%cal Rb2g2]} 39. f4 Rfh7 (39... Rb7 $142 40. Qxb7+ {[%mdl 64] Remove Defender} Kxb7 41. Rb1 Qxb1+ 42. Kxh2 Qb2+ {[%mdl 64] Double Attack} 43. Kh3 Qxa3 44. Kh4 c3 45. Kg5 c2 46. Kh4 c1=Q 47. Kg5 Qxg3+ {[%mdl 64] Double Attack} 48. Kf6 Qcxf4+ 49. Ke7 Qg7+ 50. Ke8 Qgf8#) 40. Re3 Qd4 41. Rfe1 c3 {Weighted Error Value: White=0.94/Black=1.25} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.16"]
[Round "4.1"]
[White "Vazquez, Facundo"]
[Black "Dominguez, Facundo"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2200"]
[BlackElo "2160"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,43,6,-2,10,10,13,10,12,-2,0,0,0,-11,0,0,0,2,4,10,5,0,0,0,0,7]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. cxd5 exd5 6. Bg5 c6 7. Qc2 O-O 8. e3 Ne4 9. Nxe4 dxe4 10. Bxe7 Qxe7 11. Nd2 {The position is equal.} f5 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 12. Bc4+ Kh8 13. O-O Nd7 14. f3 {[%cal Rf3e4]} exf3 15. Rxf3 Nf6 {[#]} 16. Raf1 $146 ({Predecessor:} 16. Bd3 Nd5 17. Nc4 Nb4 18. Qd2 Nxd3 19. Qxd3 Be6 20. Ne5 Rad8 21. Qe2 Rf6 22. Qf2 {½-½ (53) Danek,P (2230)-Prielozny,S (2118) Slovakia 2000}) 16... Bd7 17. e4 Qd6 {[#] Threatens to win with ...b5.} 18. Qd3 {Strongly threatening e5.} fxe4 19. Nxe4 Nxe4 20. Rxf8+ Rxf8 21. Rxf8+ Qxf8 22. Qxe4 {An uneventful encounter.  Weighted Error Value: White=0.04/Black=0.04} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.16"]
[Round "4.2"]
[White "Guerrero, Alvaro"]
[Black "Lopez Azambuja, Nicolas"]
[Result "0-1"]
[ECO "C20"]
[WhiteElo "2112"]
[BlackElo "2317"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,62,0,0,-3,0,9,8,-28,-22,-39,-29,-26,-18,-26,-25,-25,-24,-25,0,-64,-68,-91,-24,-12,-15,-62,-31,-91,-81,-116,-126,-131,-135,-184,-100,-231,-214,-415,-417,-485,-479,-660,-666,-660,-594,-762,-750,-839,-708,-830,-823]} 1. e4 e5 2. d3 Nc6 3. Nf3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. Nbd2 {C44: Ponziani Opening and Scotch Gambit.} Bg4 9. h3 Bh5 10. Ne4 {The position is equal.} (10. c3 {seems wilder.} a6 11. Re1 Re8 12. a4 f6 13. b4) 10... Be7 {[#]} 11. Nc3 $146 ({Predecessor:} 11. c3 f5 12. Neg5 Qd6 13. Qb3 Kh8 14. Nxe5 Nxe5 15. Qxd5 Qxd5 16. Bxd5 c6 17. Bg2 Nxd3 {½-½ (60) Malar,P (2108)-Kotan,L (2364) Piestany 2005}) 11... Nxc3 12. bxc3 f5 {[#] And now ...e4 would win.} 13. Qe1 Bf6 14. Rb1 Rb8 15. Nd2 Bf7 16. Nb3 (16. Ba3 $11) 16... Bd5 $15 17. f3 Qd6 (17... b5 $17) 18. c4 $11 Bf7 19. Be3 {next Bc5 is good for White.} b6 20. c5 (20. f4 $15) 20... Qd7 $17 21. Qf2 Nb4 22. f4 {[#]} exf4 23. gxf4 Nxa2 (23... Rfd8 $19 24. Rfe1 Qa4) 24. c6 {This costs White the game.} (24. Bd4 $17) 24... Qd8 25. c4 $2 (25. Nd4 {might work better.}) 25... Nc3 $19 26. Ra1 Qxd3 {White must now prevent ...Ne2+.Black is clearly winning.} 27. Nc1 Qxc4 28. Rxa7 Rfe8 {Hoping for ...Rxe3!} 29. Kh1 Re7 30. Qd2 Rbe8 31. Bf2 Ne4 {Weighted Error Value: White=0.58/Black=0.15} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.17"]
[Round "4.3"]
[White "Curi, Gabriel"]
[Black "Michailov, Matias"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2156"]
[BlackElo "2251"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,138,35,33,29,33,29,10,27,53,42,38,62,29,165,160,169,153,158,131,175,152,216,210,187,182,171,155,212,210,386,176,173,166,175,79,86,89,100,109,156,174,177,168,172,150,139,132,164,77,85,102,137,121,115,56,77,79,79,70,72,8,25,0,0,-24,-32,-527,-510,-4586,-1232,-852,-6080,-6080,-6092,-5947,-5893,-5486,-5323,-1369,-1254,-11897,-7843,-29971,-29973,-5893,-502,-5835,-5720,-4627,-714,-578,-679,-662,-659,-587,-565,-29981,-29982,-29982,-29983,-29985,-29985,-29986,-29987,-29987,-29986,-29986,-29987,-29987,-29988]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. d5 e6 8. Nge2 exd5 9. cxd5 a6 10. a4 Nbd7 11. Ng3 h5 12. Be2 Re8 13. O-O Nh7 14. Nh1 f5 15. Nf2 Ne5 16. Qd2 Bd7 {A65: Modern Benoni: 6 e4.} 17. Kh1 {[#]} Rb8 $146 ({Predecessor:} 17... Qh4 18. Bf4 Rf8 19. g3 Qe7 20. exf5 Rxf5 21. Nfe4 g5 22. Bxe5 Rxe5 23. Bd3 Bh3 24. f4 gxf4 25. gxf4 {½-½ (42) Ivanovic,D (2352)-Boskovic,D (2417) Kraljevo 2011}) 18. Rfb1 b5 {The position is equal.} 19. axb5 axb5 20. b4 Qf6 {Threatening ...Nc4.} 21. Ra7 f4 (21... Nc4 $11 22. Bxc4 bxc4) 22. Bxf4 $18 {aiming for bxc5.} c4 23. Nfd1 Re7 24. Rba1 g5 25. Be3 Ng6 (25... h4 $16 {is a better defense.}) 26. Ra8 Ree8 27. Rxb8 Rxb8 28. Ra7 Be8 (28... Qd8 $16 29. g3 g4) 29. Bf1 Nf4 $2 (29... Qd8 {might work better.} 30. Qa2 Ne7) 30. Kg1 (30. h4 $142) 30... h4 31. g3 Ng6 {[#]} 32. f4 (32. Be2 $1 $18 {and White stays clearly on top.}) 32... hxg3 $16 33. hxg3 gxf4 34. gxf4 Nh4 {...Nf3+ is the strong threat.} 35. Qf2 $36 {[%mdl 2048] White has strong initiative.} Qg6+ 36. Bg2 Nxg2 37. Qxg2 Qxg2+ 38. Kxg2 Bh5 39. Rd7 (39. Bd2 $18) 39... Nf6 40. Rxd6 {Hoping for e5.} Nxe4 41. Nxe4 Bxd1 42. Nf6+ (42. Rg6 $16 Kh7 43. Rg3) 42... Kf7 {[#]} 43. Bd4 {And now Rd7+ would win.} Bf8 44. Rd7+ Kg6 45. Bc3 ({Better is} 45. Be5 $16 Ra8 46. Ne4) 45... Ra8 46. Rb7 Ra3 47. Be5 c3 {Threatens to win with ...c2.} 48. Rxb5 $2 {[%mdl 8192] White is on the road to losing.} (48. Nh7 $1 $15 Bh6 49. d6) 48... Ra2+ $19 49. Kg3 (49. Kh3 $142 c2 50. f5+ Kg5 51. Nh7+ Kh6 52. Bf4+ Kxh7 53. Rb7+ Kg8 54. Kh4) 49... c2 50. f5+ Kxf5 51. d6 c1=Q {( -> ...Qg5+)} 52. Bb2+ Ke6 53. Bxc1 Bxd6+ 54. Bf4 Ra3+ 55. Kf2 Bxf4 56. Nd5 Bg3+ 57. Kg2 Kd6 (57... Bc2 $142 58. Nb6 Be4+ 59. Kh3 Bc6) 58. Nf6 (58. Ra5 $142 Rb3 59. Nb6) 58... Bf3+ 59. Kh3 Bc6 (59... Be5 $142 60. Rb6+ Kc7) 60. Ra5 Rb3 61. Kg4 Be5 62. b5 Bb7 ({Weaker is} 62... Bxf6 63. bxc6 Bd8 64. Rf5 $15) 63. Ne8+ Ke6 {Black mates.} 64. Ra7 Rxb5 65. Ra2 Rb3 66. Rc2 Rg3+ 67. Kh4 Rg8 68. Nc7+ Kf5 {[%cal Rg8h8]} 69. Rf2+ Bf4 {[%cal Rg8h8] Weighted Error Value: White=0.96/Black=0.40} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.16"]
[Round "4.4"]
[White "Roselli Mailhe, Bernardo"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2429"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,84,20,0,15,9,6,2,10,0,0,-52,-48,-45,-44,-44,-45,-63,-48,-56,-39,-41,-14,-33,-48,-39,-38,-35,-15,-81,-87,-81,-85,-69,-65,-160,-66,-79,-61,-84,-94,-100,-44,-52,-2,-39,-2,-39,-39,-39,-42,-47,-49,-50,-50,-50,-46,-51,-35,-35,-35,-35,-8,-8,-8,-8,-8,-27,-27,-27,-27,-27,-27]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Nb3 a6 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} 9. Re1 Nbd7 10. a4 b6 {The position is equal.} 11. Bf1 Bb7 12. Nd5 {[#]} (12. f3 $11) 12... Nxe4 $146 ({Predecessor:} 12... e6 13. Nc3 Qc7 14. Bf4 Ne5 15. Qd2 Rfd8 16. Bh6 Bh8 17. Bg5 Rd7 18. Qf4 Ne8 {0-1 (39) Mamedov,R (2688)-Nakamura,H (2779) Doha 2016}) 13. Rxe4 e6 14. c4 exd5 15. cxd5 Rc8 16. Rb4 Nc5 17. Be3 Re8 18. Nxc5 dxc5 19. Rb3 Re5 ({Of course not} 19... Bxd5 $6 20. Rd3 $11) 20. Bc4 Re4 $36 {[%mdl 2048] Black is more active.} (20... Bxd5 $2 21. Rd3 $1 $18) 21. Rc1 {[#]} (21. Be2 $1 $11 {remains equal.}) 21... Rxc4 $1 $17 {[%mdl 64] Remove Defender, Decoy} 22. Rxc4 {Hoping for d6.} Qxd5 {[%cal Rd5d1][%mdl 64] Double Attack} ({Don't go for} 22... Bxd5 $2 {[#]} 23. Rd3 $1 $18 {[%mdl 512]}) 23. Qf1 Qe6 {White must now prevent ...Bd5.} 24. Rbc3 Bxc3 (24... Bd5 $17 25. a5 Bxc4 26. Rxc4 bxa5) 25. Rxc3 $15 a5 26. Bh6 Qg4 27. h3 Qh5 (27... Qxa4 $17 28. Qe2 Qh4) 28. Qc1 Rd8 {aiming for ...Rd1+.} (28... Qd5 {is more complex.} 29. f3 f6 30. Qe3 Qd1+ 31. Kf2 Kf7) 29. Qf4 (29. f3 {keeps more tension.} Qe5 30. Qf4 Qd6 31. Qxd6 Rxd6 32. Bf4) 29... Qd1+ 30. Kh2 Qd6 31. Qxd6 Rxd6 {[%mdl 4096] Endgame KRB-KRB} 32. Re3 {[%cal Re3e8]} Bc6 33. b3 Re6 34. Rxe6 fxe6 {KB-KB} 35. Bf4 Bd5 36. Bc7 Bxb3 37. Bxb6 c4 38. Bxa5 Bxa4 39. Bc3 Kf7 40. f4 Ke7 {Black has an edge.} 41. Kg3 Kd6 42. Kf2 Kd5 {Weighted Error Value: White=0.14/Black=0.09} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.16"]
[Round "4.5"]
[White "Coppola, Claudio"]
[Black "Carbone, Diego"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2233"]
[BlackElo "2224"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,-7,0,-21,-25,-71,-58,-93,-109,-211,-206,-192,-113,-172,-91,-81,-95,-91,-79,-90,-93,-137,-53,-68,-56,-66,-79,-102,-71,-104,-96,-72,-84,-110,-111,-132,-27,-59,0,0,0,-246,-243,-232,-237,-281,-234,-233,-238,-287,-260,-257,-248,-281,-272,-289,-230,-226,0,-941,-926]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e3 cxd4 5. exd4 a6 6. Qd2 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Nc6 7. O-O-O e6 {[#]} 8. a3 $146 {Black is slightly better.} ({Predecessor:} 8. f3 b5 9. Kb1 Bb4 10. Qe3 O-O 11. g4 Nd7 12. Nge2 Nb6 13. b3 Ba3 14. Ng3 {0-1 (26) Chmiel,M (2250)-Tomaszewski,K (2221) Szklarska Poreba 2017}) 8... b5 9. Nce2 (9. Nge2 $17 {is a better defense.}) 9... b4 10. a4 b3 (10... Bd7 $19 11. Qd3 h6) 11. cxb3 (11. Qc3 $17 Bb7 12. Qxb3) 11... Bd7 (11... Be7 $19 12. Kb1 Qb6) 12. Kb1 $17 Qb6 {[%mdl 1024] Black has strong compensation.} 13. Nc1 Na5 14. Qd3 Ne4 15. Qe3 Be7 (15... Rc8 $17 {Strongly threatening ...Nxb3!} 16. Bd3 Bxa4 17. Bxe4 dxe4) 16. Bd3 $1 $15 Nd6 ({Stronger than} 16... Nxb3 17. Bxe4 Na5 18. Bc2 $18) 17. Bc2 Rb8 18. Qc3 Rc8 19. Qe1 Nc6 {[%cal Ba5c6,Bc6b4,Bb4c2][%mdl 32]} 20. Nge2 Nb4 $36 {[%mdl 2048] White is under strong pressure.} 21. Nc3 Nxc2 22. Kxc2 {[#]} Nf5 (22... Nb7 $1 $17 {...Na5 is the strong threat.} 23. Kb1 Na5) 23. Kb1 $11 O-O ({But not} 23... Nxd4 $2 24. Be3 $18) ({Black should try} 23... Nh4 $15) 24. g4 $1 {[%cal Rg4f5]} Nxd4 25. Nxd5 $2 exd5 $19 26. Qxe7 Bxg4 27. Qe3 Bxd1 28. Rxd1 Qg6+ 29. Ka2 Nc6 {White must now prevent ...Nb4+.} 30. Nd3 d4 31. Qf3 Rfe8 32. Ka1 Na5 33. Qd5 {[#]} Nc6 (33... Qb6 $1 $19 34. b4 Nc6) 34. b4 $2 {[%mdl 8192] [#]} (34. Qf3 $11 Qf5 35. Rg1) 34... Qxd3 $1 {[%mdl 576] Remove Defender.  Weighted Error Value: White=0.51/Black=0.30} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.18"]
[Round "5.1"]
[White "Carbone, Diego"]
[Black "Vazquez, Facundo"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2234"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,46,33,39,36,33,31,39,31,27,24,34,35,18,0,8,-30,-24,-12,-23,-6,-14,-6,-41,-51,-57,-86,-84,-66,-68,-85,0,-68,-54]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 6. O-O Nc6 7. e3 Bd7 8. Qe2 b5 {8...Bd6 injects fresh life into this line.} 9. b3 {E04: Open Catalan: 5 Nf3.} cxb3 10. axb3 Be7 11. Bd2 {[%mdl 1024] White has compensation.White is slightly better.} Bd6 12. Rc1 O-O 13. Ne1 Qe8 14. Nd3 e5 15. Rxc6 Bxc6 16. Bxc6 Qxc6 17. dxe5 {[#]} Bxe5 18. Nxe5 Qd5 19. Nf3 Qxb3 {[#] And now ...Qb2 would win.} 20. Nc3 $146 {With the idea Nd4.} ({Predecessor:} 20. Ba5 c5 21. Nbd2 Qe6 22. e4 Rfe8 23. e5 Nd7 24. Re1 f6 25. Bc3 h6 26. Ne4 fxe5 {0-1 (38) Kunte,A (2485)-Short,N (2636) Bangkok 2019}) 20... c5 21. e4 Rfe8 22. e5 $1 {[#]} Nd7 (22... b4 $1 $17 23. Na4 {[#]} Qc2 $1) 23. Qe4 (23. Ne4 $1 $11) 23... Qe6 {Weighted Error Value: White=0.13/Black=0.07} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.17"]
[Round "5.1"]
[White "Carbone, Diego"]
[Black "Vazquez, Facundo"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2224"]
[BlackElo "2200"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,46,22,40,43,56,51,45,36,50,50,43,36,39,1,35,-24,-9,-16,-9,-4,-41,-22,-22,-44,-57,-72,-68,-56,-50,-57,0,-85,-11]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 6. O-O Nc6 7. e3 Bd7 8. Qe2 b5 9. b3 {E04: Open Catalan: 5 Nf3.} cxb3 10. axb3 Be7 11. Bd2 {[%mdl 1024] White has compensation.White is slightly better.} Bd6 12. Rc1 O-O 13. Ne1 Qe8 14. Nd3 e5 15. Rxc6 Bxc6 $11 16. Bxc6 Qxc6 17. dxe5 {[#]} Bxe5 18. Nxe5 Qd5 19. Nf3 Qxb3 {[#] Hoping for ...Qb2.} 20. Nc3 $146 {Black should prevent Nd4.} ({Predecessor:} 20. Ba5 c5 21. Nbd2 Qe6 22. e4 Rfe8 23. e5 Nd7 24. Re1 f6 25. Bc3 h6 26. Ne4 fxe5 {0-1 (38) Kunte,A (2485)-Short,N (2636) Bangkok 2019}) 20... c5 21. e4 Rfe8 22. e5 $1 {[#]} Nd7 (22... b4 $1 $15 23. Na4 Qc2 $1) 23. Qe4 {[#]} (23. Ne4 $11) 23... Qe6 {Weighted Error Value: White=0.23/Black=0.06} (23... f6 $1 $17 24. Qb7 Nxe5 25. Nxe5 fxe5) 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.17"]
[Round "5.3"]
[White "Michailov, Matias"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "C76"]
[WhiteElo "2251"]
[BlackElo "2429"]
[Annotator "ChessBase"]
[PlyCount "86"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:58]} e5 {[%emt 0:00:47]} 2. Nf3 {[%emt 0:00:53]} Nc6 {[%emt 0:02:00]} 3. Bb5 {[%emt 0:03:26]} a6 {[%emt 0:00:08]} 4. Ba4 {[%emt 0:00:06]} d6 {[%emt 0:00:54]} 5. c3 {[%emt 0:02:36]} Bd7 {[%emt 0:02:16]} 6. d4 {[%emt 0:01:08]} g6 {[%emt 0:00:55]} 7. O-O {[%emt 0:03:06]} Bg7 {[%emt 0:00:44]} 8. Re1 {[%emt 0:01:21]} Nf6 {[%emt 0:00:16]} 9. d5 {[%emt 0:04:39]} Ne7 {[%emt 0:04:09]} 10. c4 {[%emt 0:01:53]} b5 {[%emt 0:07:03]} 11. Bb3 {[%emt 0:10:00]} bxc4 {[%emt 0:06:37]} 12. Bxc4 {[%emt 0:00:08]} h6 {[%emt 0:00:36]} 13. Qd3 {[%emt 0:08:05]} O-O {[%emt 0:03:29]} 14. Nc3 {[%emt 0:02:56]} Bc8 {[%emt 0:10:25]} 15. Nd2 {[%emt 0:17:18]} c6 {[%emt 0:15:11]} 16. dxc6 {[%emt 0:03:31]} Nxc6 {[%emt 0:00:21]} 17. a3 {[%emt 0:05:09]} Nd4 {[%emt 0:12:31]} 18. Nf1 {[%emt 0:09:10]} Be6 {[%emt 0:03:55]} 19. Ne3 {[%emt 0:00:54]} a5 {[%emt 0:02:36]} 20. Ncd5 {[%emt 0:04:26]} Nd7 {[%emt 0:01:39]} 21. f3 {[%emt 0:02:54]} Nc5 {[%emt 0:02:08]} 22. Qd1 {[%emt 0:00:07]} f5 {[%emt 0:01:46]} 23. exf5 {[%emt 0:03:56]} gxf5 {[%emt 0:00:07]} 24. Bd2 {[%emt 0:00:19]} f4 {[%emt 0:06:46]} 25. Ng4 {[%emt 0:04:57]} a4 {[%emt 0:04:35]} 26. Bc3 {[%emt 0:02:53]} Nf5 {[%emt 0:04:00]} 27. Qe2 {[%emt 0:03:10]} Nh4 {[%emt 0:02:44]} 28. Kh1 {[%emt 0:03:01]} Ra7 {[%emt 0:03:07]} 29. Rad1 {[%emt 0:00:23]} Qg5 {[%emt 0:00:21]} 30. Nb6 {[%emt 0:00:52]} h5 {[%emt 0:00:47]} 31. Rxd6 {[%emt 0:00:19]} hxg4 {[%emt 0:00:35]} 32. Rxe6 {[%emt 0:00:29]} Nxe6 {[%emt 0:01:00]} 33. Bxe6+ {[%emt 0:00:02]} Kh8 {[%emt 0:00:13]} 34. Bxg4 {[%emt 0:00:22]} Re7 {[%emt 0:00:55]} 35. Nd5 {[%emt 0:00:51]} Ree8 {[%emt 0:00:15]} 36. Qe4 {[%emt 0:00:08]} Rd8 {[%emt 0:01:15]} 37. Nb4 {[%emt 0:01:10]} Nf5 {[%emt 0:00:43]} 38. Nc6 {[%emt 0:00:29]} Rde8 {[%emt 0:00:23]} 39. Bh3 {[%emt 0:00:36]} Ne3 {[%emt 0:00:26]} 40. Bd2 {[%emt 0:00:31]} Rf6 {[%emt 0:00:19]} 41. Re2 {[%emt 0:00:40]} Rd6 {[%emt 0:00:26]} 42. Qxa4 {[%emt 0:00:28]} Qg6 {[%emt 0:00:56]} 43. Bxe3 {[%emt 0:00:35]} fxe3 {[%emt 0:00:22]} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.18"]
[Round "5.3"]
[White "Michailov, Matias"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "C76"]
[WhiteElo "2249"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,86,35,30,29,29,10,8,15,18,18,29,8,18,13,32,36,55,37,51,23,30,0,8,3,16,-19,-18,-25,-25,-25,-22,-25,-14,-35,-33,-43,-35,-43,0,0,0,0,102,102,97,0,0,9,147,143,135,154,144,151,341,144,335,172,305,68,133,135,136,145,135,1,49,-192,-183,-210,-172,-389,-380]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 g6 7. O-O Bg7 8. Re1 Nf6 9. d5 Ne7 10. c4 b5 11. Bb3 {The position is equal.} bxc4 12. Bxc4 h6 13. Qd3 O-O 14. Nc3 Bc8 15. Nd2 c6 16. dxc6 Nxc6 17. a3 Nd4 18. Nf1 Be6 {Strongly threatening ...Bxc4.} 19. Ne3 a5 20. Ncd5 Nd7 21. f3 Nc5 22. Qd1 f5 23. exf5 gxf5 24. Bd2 f4 25. Ng4 a4 {aiming for ...Ncb3.} 26. Bc3 Nf5 27. Qe2 Nh4 28. Kh1 Ra7 (28... Kh8 $11 {keeps the balance.}) 29. Rad1 $16 {[%cal Rc3e5]} Qg5 30. Nb6 (30. Bb4 $16 {Black must now prevent Nc3.} Kh8 31. Nc3 Bxc4 32. Qxc4) 30... h5 $11 31. Rxd6 hxg4 (31... Bxc4 $1 $11 32. Nxc4 (32. Qxc4+ Raf7 $11) 32... hxg4 33. Nxe5 Re7) 32. Rxe6 $16 (32. Bxe6+ Nxe6 33. Rxe6 gxf3 $11) 32... Nxe6 33. Bxe6+ Kh8 34. Bxg4 (34. fxg4 f3 $15) 34... Re7 $2 (34... Nf5 $16 {keeps fighting.} 35. Nc4 (35. Bxe5 Ne3 $11) 35... e4) 35. Nd5 (35. Nxa4 $6 e4 $18) (35. Bb4 $18 {is more deadly.}) 35... Ree8 $2 (35... Ref7 $16 36. Qc4 (36. Bxe5 Nxg2 37. Kxg2 Qxg4+ {[%mdl 64] Remove Defender} 38. fxg4 f3+ 39. Kg3 fxe2 $11) 36... Nf5 37. Qxa4 Nd4) 36. Qe4 (36. Nc7 $142) 36... Rd8 (36... Qg6 {was necessary.} 37. Bb4 (37. Qxa4 e4 $16) 37... Rf7) 37. Nb4 $2 (37. Bxe5 Rfe8 $11) ({Better is} 37. Nc7 $18) 37... Nf5 (37... Qg6 $14) 38. Nc6 $36 {[%mdl 2048] White has strong initiative.} ({Reject} 38. Bxe5 $6 Ne3 $11) 38... Rde8 39. Bh3 ({Don't go for} 39. Bxe5 $2 Ne3 $19) 39... Ne3 {[#]} 40. Bd2 ({Resist} 40. Qxa4 $6 e4 $14) (40. Rg1 $1 $16) 40... Rf6 $1 $11 41. Re2 $2 {[#]} (41. Qxa4 $14 Rh6 42. Bxe3 fxe3 43. Qe4) 41... Rd6 $1 $19 42. Qxa4 Qg6 {...Rxd2! is the strong threat.} 43. Bxe3 (43. Qe4 {was the only defense.} Rxc6 44. Bd7 Qxe4 45. fxe4) 43... fxe3 {Weighted Error Value: White=0.55/Black=0.29} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.17"]
[Round "5.4"]
[White "Hoffman, Alejandro"]
[Black "Coppola, Claudio"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2474"]
[BlackElo "2233"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,40,50,68,52,66,-2,60,56,45,31,35,49,61,55,51,79,64,57,46,20,14,27,21,0,0,0,35,54,29,-9,0,-28,-30]} 1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 Ne4 5. h4 {[#]} Nxg5 $146 ({Predecessor:} 5... g6 6. Bf4 Bg7 7. c3 Bb7 8. h5 e6 9. dxe6 dxe6 10. Qxd8+ Kxd8 11. Nbd2 Nxd2 12. O-O-O {1-0 (28) Mamedyarov,S (2775)-Shoker,S (2489) Tromsoe 2013}) 6. hxg5 {A43: Schmid Benoni.} g6 7. Qd3 ({White should try} 7. e4 $14) 7... b4 ({Black should play} 7... Bg7 $11 8. c3 (8. Qxb5 Na6 $11) 8... c4) 8. Nbd2 $14 {White is slightly better.} Bg7 9. Nc4 Ba6 10. O-O-O d6 11. Nfd2 h6 12. gxh6 Rxh6 13. Rxh6 Bxh6 14. e3 (14. Qh3 $5 {[%cal Rh3h6]} Bg7 15. e4 $11) 14... Kf8 15. Qe4 Nd7 {[%cal Bb8d7,Bd7f6,Bf6g4][%mdl 32]} 16. Bd3 Bg7 17. f4 Nf6 18. Qf3 Qd7 19. e4 Qg4 20. Qxg4 Nxg4 {Weighted Error Value: White=0.18/Black=0.12} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.18"]
[Round "5.4"]
[White "Hoffman, Alejandro"]
[Black "Coppola, Claudio"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2459"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,40,50,47,47,52,-4,56,54,50,33,35,29,44,65,48,46,51,53,51,7,10,8,38,-2,17,0,21,27,33,-9,-14,-26,-20]} 1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. Bg5 Ne4 5. h4 {[#]} Nxg5 $146 ({Predecessor:} 5... g6 6. Bf4 Bg7 7. c3 Bb7 8. h5 e6 9. dxe6 dxe6 10. Qxd8+ Kxd8 11. Nbd2 Nxd2 12. O-O-O {1-0 (28) Mamedyarov,S (2775)-Shoker,S (2489) Tromsoe 2013}) 6. hxg5 {A43: Schmid Benoni.} g6 $1 7. Qd3 (7. Nbd2 $14) 7... b4 ({Better is} 7... Bg7 $11 8. c3 (8. Qxb5 Na6 $11) 8... b4) 8. Nbd2 $14 {White is slightly better.} Bg7 9. Nc4 Ba6 10. O-O-O d6 11. Nfd2 h6 12. gxh6 Rxh6 13. Rxh6 Bxh6 14. e3 (14. Qh3 $5 {[%cal Rh3h6]} Bg7 15. e4 $11) 14... Kf8 15. Qe4 Nd7 {[%cal Bb8d7,Bd7f6,Bf6g4][%mdl 32]} 16. Bd3 (16. Nxd6 $5 Bxf1 17. Nb7 $11) 16... Bg7 17. f4 Nf6 18. Qf3 Qd7 19. e4 {Threatening e5.} Qg4 20. Qxg4 Nxg4 {Weighted Error Value: White=0.20/Black=0.13} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.18"]
[Round "5.5"]
[White "Dominguez, Facundo"]
[Black "Guerrero, Alvaro"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2165"]
[BlackElo "2122"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,30,94,91,128,141,172,179,186,187,188,187,172,171,247,94,206,229,170,177,373,380,389,51,53,55,62,62,58,54,58,53,241,-108,51,-19,-19,-170,-162,-527,-373,-360,-38,-34,30,44,254,82,172,183,177,169,173,192,203,194,331,264,266,262,245,257,249,129,128,18,19,20,191,131,498,504,471,463,592,224,284,275,731,622,759,742,952,923,4922,4922,1983,1812,29958,29940]} 1. e4 c6 2. d4 d5 3. f3 Qb6 4. Nc3 e5 5. dxe5 d4 (5... Bc5 $11 6. Na4 (6. Nh3 Bxh3 7. gxh3 Nd7 $11) 6... Bf2+ 7. Ke2 Qd4 8. Qxd4 Bxd4) 6. Nce2 {[#] B12: Caro-Kann: Advance Variation.} Bc5 $146 ({Predecessor:} 6... c5 7. g3 Nc6 8. f4 c4 9. Bg2 Bc5 10. Nf3 Nge7 11. f5 Bd7 12. Bg5 O-O-O {0-1 (32) Paichadze,L (2565)-Janaszak,D (2348) Chess.com INT 2021}) 7. Qd3 a5 8. f4 {White is clearly better.} Na6 9. a3 f6 10. Nf3 fxe5 11. fxe5 Bg4 (11... Ne7 $142 12. Nf4 (12. Nfxd4 O-O $14) (12. Nexd4 Bg4 $16) 12... Qc7) 12. Qb3 $2 (12. Nexd4 $6 Nc7) (12. Nd2 $18) 12... Qa7 (12... Qxb3 $16 13. cxb3 Ne7) 13. Ng5 $18 Nh6 {With the idea ...d3!} 14. Ne6 Nf7 $2 (14... b5) 15. Nxg7+ Kf8 {[#]} 16. Nf5 $2 (16. Qg3 $1 $18 Rg8 17. Qxg4 Rxg7 18. Qf5) 16... d3 $1 $14 17. cxd3 (17. Bh6+ $2 Nxh6 18. Qe6 Bf2+ 19. Kd1 Nxf5 $19) 17... Bf2+ 18. Kd1 Nc5 19. Qc3 Rd8 20. Nd6 $1 Na4 $2 (20... Nxd3 $1 $14 21. Qxd3 Nxe5) 21. Qb3 $2 (21. Qd2 $18 Be6 22. Ng3 (22. Qf4 Bb3+ 23. Kd2 Qc5 $11)) 21... Nxe5 {[#]} (21... Nxd6 $17 22. Bh6+ (22. Qxa4 b5 $17) (22. exd6 Rxd6 23. Qc2 Nc5 $15) 22... Ke8 23. exd6 (23. Qxa4 $2 b5 $19) 23... Rxd6 24. Qxa4 Rxh6) 22. Bh6+ (22. Bf4 $1 $14 Rxd6 23. Bxe5) 22... Ke7 $11 23. Bg5+ $2 (23. Nf5+ $11 Bxf5 24. Bg5+ {[%mdl 64] Skewer} Kd7 25. exf5) 23... Kxd6 $19 24. Bxd8 $2 (24. Qxa4 Nxd3 25. Kc2 Qc5+ {[%mdl 64] Double Attack} 26. Nc3 Qxg5 27. Bxd3) 24... Rxd8 25. Qxa4 Qe3 $2 ({Don't play} 25... Nxd3 26. Kc2 $19) (25... Ke7 $19 {( -> ...Qe3)} 26. Kc2 Be6) 26. Qxa5 $15 Rd7 ({Black should try} 26... Qxd3+ $15 27. Qd2 Be3 28. Qxd3+ Nxd3) 27. Qd2 $11 {Qxe3 is the strong threat.} Qb6 {[#]} (27... Nxd3 $14 28. Kc2 Kc7 29. Qxe3 Bxe3) 28. Qb4+ $2 (28. Kc2 $1 $18 {and the rest is easy.}) 28... Qxb4 (28... Kc7 $16 {keeps fighting.} 29. Qxb6+ Bxb6) 29. axb4 $18 {And now Kc2 would win.} Nxd3 30. Kc2 Ke5 31. Nc3 Nxb4+ 32. Kb3 c5 (32... Bc5 $142) 33. h3 Be6+ 34. Bc4 Bxc4+ 35. Kxc4 Rd2 36. Ra7 (36. Rhb1 $18) 36... Nc6 $16 37. Ra8 (37. Ra2 $16) 37... Rxb2 $11 38. Re8+ Kf4 $2 (38... Kd6 $11 {and Black has nothing to worry.} 39. Rd1+ Bd4 40. Nb5+ Kd7 41. Nxd4 Kxe8 42. Nxc6 (42. Kxc5 Rxg2 43. Nf5 Rc2+ 44. Kd6 Re2 $14) 42... bxc6) 39. Rf1 (39. Rb1 $18 Na5+ 40. Kd5 Rd2+ 41. Ke6) 39... Ne5+ $2 {[%mdl 8192]} (39... Rc2 $16 {is more resistant.}) 40. Kd5 $18 Rd2+ 41. Ke6 Nd3 42. Rd8 $2 (42. e5) 42... c4 43. e5 {aiming for Rxf2+!} Ke3 (43... Nc5+ 44. Ke7 Rxd8 45. Kxd8 Kg3) 44. Rc8 Nf4+ 45. Kf5 Nxg2 46. Nd1+ Kf3 47. Rxf2+ Rxf2 48. Nxf2 Kxf2 49. e6 {Weighted Error Value: White=0.89/Black=0.94} 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.03.17"]
[Round "5.5"]
[White "Dominguez, Facundo"]
[Black "Guerrero, Alvaro"]
[Result "*"]
[ECO "B00"]
[WhiteElo "2160"]
[BlackElo "2112"]
[Annotator "NA"]
[PlyCount "1"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:01:29]} *

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.19"]
[Round "6.1"]
[White "Vazquez, Facundo"]
[Black "Guerrero, Alvaro"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2199"]
[BlackElo "2122"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,98,14,8,4,14,3,16,10,1,43,44,44,29,43,35,41,45,52,50,42,40,41,44,50,52,58,35,44,37,45,41,42,4,9,0,45,0,36,-25,-10,-34,11,-17,0,0,0,-10,-15,-64,-62,-52,-43,-81,0,0,0,-29,139,143,135,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,60,56,79,66,81,81,212,66,75]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 a5 8. O-O O-O 9. Bf4 a4 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} 10. bxa4 d6 11. Qb3 Na6 {[#] The position is equal.} 12. Rd1 $146 ({Predecessor:} 12. a3 Ba5 13. Bd2 Bxd2 14. Nbxd2 Nb8 15. c5 dxc5 16. dxc5 Nbd7 17. cxb6 cxb6 18. Nc4 {1-0 (65) Ikonnikov,V (2558)-Schoorl,R (2277) Dieren 2007}) 12... Ra7 13. Bd2 Bxd2 14. Rxd2 Ne4 15. Rd1 Nb8 16. Na3 Ra5 17. Nb5 Nd7 18. Ne1 Qb8 19. Nd3 Re8 20. Qc2 Nef6 21. Bxb7 Qxb7 22. c5 dxc5 23. dxc5 bxc5 24. Rab1 Qe4 25. Nc3 Qa8 26. Rb5 c6 27. Rb2 (27. Rxa5 $14 Qxa5 28. Nb2) 27... Qa6 28. Rdb1 Qc4 29. Qb3 Qg4 30. Qb7 Qd4 31. Rc2 Qd6 $1 {Strongly threatening ...Rb8.} 32. Rcb2 g6 {And now ...Rb8 would win.} 33. Qb3 Qd4 34. Qc2 Rc8 (34... Nd5 $17 35. Nxd5 exd5) 35. Rb7 $11 c4 36. Nf4 {Hoping for Rd1.} e5 $2 {[#]} (36... Ne5 $11) 37. Rd1 $1 $16 {[%cal Rd1d4]} Qc5 38. Nh3 ({White must play} 38. Rdxd7 $16 Nxd7 39. Ne4) 38... Ra7 $11 39. Rxa7 Qxa7 40. Ne4 Nxe4 41. Qxe4 c3 42. Ng5 h6 43. Nf3 Qc5 44. Rc1 ({Don't go for} 44. Rxd7 $2 c2 $19) 44... Rb8 45. Qd3 e4 46. Qxe4 $14 Nb6 47. Qf4 Rb7 48. Qxh6 {Threatens to win with Ng5.} Nxa4 (48... Nd5 $16 {was necessary.}) 49. Rd1 (49. Ng5 $18 {aiming for Rd1.} Qd5 50. Qh7+ Kf8 51. Qh8+ Ke7 52. Qh4) 49... Qf8 {[%mdl 32768] Weighted Error Value: White=0.18/Black=0.22. Loss on time!?} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.19"]
[Round "6.2"]
[White "Roselli Mailhe, Bernardo"]
[Black "Lopez Azambuja, Nicolas"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2434"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,98,15,0,0,2,3,5,3,3,3,6,0,0,20,0,0,-10,-7,-36,-40,-56,-56,-59,-57,-56,-56,-68,-51,-54,-50,-56,-27,-39,-37,-32,-32,-91,-92,-88,-85,-234,-234,-234,-234,-229,-218,-274,-274,-1219,-387,-516,-512,-495,-477,-497,-502,-501,-411,-482,-477,-501,-500,-497,-500,-497,-490,-463,-445,-578,-543,-575,-546,-1095,-825,-1089,-1094,-1086,-924,-1082,-1033,-977,-988,-920,-864,-11974,-29952,-9699,-6203,-29972,-29972]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e3 a6 6. a4 b6 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} 7. Bxc4 Bb7 8. O-O Bb4 {The position is equal.} 9. Qe2 O-O 10. Rd1 Qe7 11. Bd3 c5 12. Na2 Nc6 13. Nxb4 Nxb4 14. Bb1 Rfd8 {[#]} 15. Bd2 $146 ({Predecessor:} 15. a5 bxa5 16. Rxa5 Bxf3 17. Qxf3 cxd4 18. exd4 Rd5 19. Rxd5 Nbxd5 {½-½ (19) Pantev,V (2377)-Rusev,K (2528) Sunny Beach 2011}) 15... Bxf3 16. Qxf3 cxd4 17. exd4 Rac8 {[%cal Ba8c8,Bc8c4,Bc4d4][%mdl 32]} 18. Bc3 Rc4 19. Qe2 Rdc8 20. Bxb4 Qxb4 21. Bd3 Rxd4 22. Bxa6 Rcd8 23. g3 (23. Rxd4 $15 Rxd4 24. Qf3) 23... g6 $17 24. Rd3 Ne4 25. Bb5 {Loses the game.} (25. Re3 $17) 25... Rxd3 $19 26. Bxd3 {[#]} Nxf2 {[%mdl 576] Deflection} 27. Qxf2 {Threatens to win with Ra3.} Rxd3 {[%mdl 4096] Endgame KQR-KQR} 28. Rc1 Kg7 ({Much less strong is} 28... Qxa4 29. Qxb6 Qb3 30. Qxb3 $17) 29. Rc2 $2 (29. Re1) 29... Qxa4 $2 (29... Rd1+ 30. Kg2 Qe4+ 31. Kh3 Rd5) 30. h4 Qe4 {( -> ...Rd1+)} 31. Kh2 Rd1 {[%csl Gd1][%cal Re4h1]} 32. Qg2 Qxg2+ 33. Kxg2 {KR-KR} Rd3 34. g4 Rd4 35. Kg3 h5 36. g5 Rg4+ 37. Kh3 b5 38. Rc3 Rb4 39. b3 Kf8 40. Rf3 Ke7 41. Kg3 Rg4+ 42. Kh3 e5 43. Rf6 Rd4 44. Rb6 Rd3+ 45. Kg2 Rxb3 46. Rb7+ Ke6 47. Kh2 b4 48. Kg2 e4 49. Rb5 Rb1 {Weighted Error Value: White=0.59/Black=0.18} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.19"]
[Round "6.4"]
[White "Coppola, Claudio"]
[Black "Michailov, Matias"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2241"]
[BlackElo "2249"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,47,6,5,-10,-14,-14,-7,-13,-8,-39,-29,-39,-24,-33,-30,-37,-29,-64,-70,-73,-58,-58,-58,-58,-62,-110,-100,-110,-88,-110,-110,-110,-102,-104]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nc3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. O-O Bxc3 8. bxc3 e5 9. Qc2 {E20: Nimzo-Indian: 4 g3 and 4 f3.} Re8 10. Bg5 h6 11. Bxf6 {The position is equal.} Qxf6 12. d5 Nb8 {[%cal Bc6b8,Bb8a6,Ba6c5][%mdl 32] [#]} 13. e4 $146 ({Predecessor:} 13. Nd2 Nd7 14. Be4 Qe7 15. Bh7+ Kh8 16. Bf5 g6 17. Bxd7 Bxd7 18. Rab1 Bh3 19. Rfc1 {0-1 (40) Nigrin,J (2105)-Baciak,M (2202) ICCF email 2015}) 13... Na6 14. Nd2 Bd7 15. Nb3 c6 16. dxc6 Bxc6 17. Na5 Nc5 18. Nxc6 bxc6 19. Rab1 Rab8 20. Rxb8 Rxb8 {Black is better.} 21. Rb1 Qd8 22. Rb4 a5 23. Rb2 Rb6 24. Qd2 {Weighted Error Value: White=0.12/Black=0.05} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.19"]
[Round "6.5"]
[White "Carbone, Diego"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "D71"]
[WhiteElo "2234"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,73,20,13,38,0,12,-16,-20,-21,-6,-12,0,0,0,0,0,0,9,-2,0,0,13,12,5,12,60,62,56,61,60,55,50,56,68,68,68,35,54,48,52,25,25,12,37,31,88,68,60,60,62,62,62,68,197,183,444,390,377,368]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 Nb6 7. Nc3 Nc6 8. e3 O-O 9. O-O Bd7 {D76: Fianchetto Grünfeld: Main Line with 7...Nb6.} 10. d5 Na5 11. Nd4 c6 {[#] The position is equal.} 12. Nb3 $146 ({Predecessor:} 12. b3 cxd5 13. Nxd5 Nxd5 14. Bxd5 Bb5 15. Nxb5 Bxa1 16. Ba3 Bf6 17. Qf3 Qb6 18. Nd4 {0-1 (28) Arndt,U (1985)-Radovanovic,J (2349) Berlin 2008}) 12... Bxc3 13. bxc3 Nxb3 14. axb3 Nxd5 15. Bb2 Nf6 16. c4 Bf5 17. Bd4 Qc7 18. Qe2 c5 19. Bxf6 exf6 20. Qf3 Rfe8 (20... b6 {is interesting.} 21. e4 Be6 22. Qxf6 Rad8 23. f4 Rd3) 21. Qxb7 Qxb7 22. Bxb7 Rab8 23. Bd5 Re7 24. Ra3 Bh3 25. Rfa1 Kf8 26. e4 h5 27. f3 f5 28. Kf2 (28. e5 {keeps more tension.} Rxe5 29. Rxa7 Re7 30. Ra8 Rxa8 31. Rxa8+ Re8 32. Ra5) 28... fxe4 29. fxe4 f5 (29... Rb6 {is more complex.} 30. R1a2 Bg4 31. Kg2 a6 32. Rb2 Kg7) 30. Rxa7 Rxb3 (30... fxe4 $14 31. Ra8 e3+ 32. Ke2 Bg4+ 33. Bf3 Bxf3+ 34. Kxf3 Rxa8 35. Rxa8+ Kg7) 31. Rxe7 Kxe7 $14 {[%mdl 4096] Endgame KRB-KRB} 32. e5 $1 Rb2+ 33. Ke3 g5 $1 34. Ra7+ Kf8 (34... Kd8 $14) 35. e6 $18 {[#] White wants to mate with e7+.} Bg2 $2 (35... Rb3+ {was called for.} 36. Kd2 Rb6) 36. Rf7+ Ke8 37. Rxf5 {Weighted Error Value: White=0.08/Black=0.28} 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.20"]
[Round "7.1"]
[White "Hoffman, Alejandro"]
[Black "Vazquez, Facundo"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2459"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,133,79,24,37,31,31,23,32,22,101,109,107,64,54,54,97,97,96,64,74,59,79,61,81,5,199,178,148,100,107,104,99,-51,169,-31,201,225,186,165,160,171,166,141,318,273,331,319,270,279,443,432,416,369,369,362,338,303,279,210,238,229,217,225,218,214,169,117,125,120,181,172,203,202,267,265,263,252,263,241,334,306,281,278,475,475,445,200,469,417,4137,4137,1744,1651,899,610,4137,4137,4137,1629,1516,1176,29971,29974,29975,29976,29976,29977,29977,29978,29981,29982,29982,29982,29982,29979,29981,29982]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Nbd7 7. Be3 e5 8. d5 Nc5 9. Nd2 a5 10. O-O (10. g4 $16) 10... Bd7 {was the old line (10...h5). E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 11. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Ne8 12. a3 f5 {White has an edge.} 13. f3 {[#]} Bf6 $146 (13... Na6 $11 {keeps the balance.}) ({Predecessor:} 13... f4 14. Bf2 g5 15. b4 Na6 16. c5 Qe7 17. c6 Bc8 18. cxb7 Bxb7 19. Nc4 axb4 20. axb4 Nxb4 {1-0 (42) Girya,O (2432)-Grebnev,A (2283) Cheboksary 2021}) 14. b4 $16 Na6 15. Rb1 (15. bxa5 $6 Bg5 $14) 15... Bg5 16. Bf2 Bh4 17. g3 ({But not} 17. bxa5 $6 Bxf2+ 18. Rxf2 Nc5 $11) 17... Be7 18. c5 axb4 19. axb4 dxc5 20. Bxa6 {And now Bc4 would win.} cxb4 21. Bc4 (21. Bxb7 $16 {Black must now prevent d6.} bxc3 22. d6 $1 Nxd6 23. Bxa8) 21... Kg7 $2 (21... bxc3 $11 {and Black stays safe.} 22. d6+ Kg7 23. dxe7 Qxe7) 22. Na2 Nd6 23. Bb3 fxe4 24. fxe4 ({Don't play} 24. Nxe4 $6 Nxe4 25. fxe4 Bh3 $11) 24... Bh3 25. Re1 (25. Nxb4 Bxf1 26. Kxf1 Nb5 $15) (25. Qe2 $1 $16) 25... Bg5 $2 (25... Nb5 $1 $15 {stays ahead.} 26. Be3 Bg5) 26. Nxb4 $2 {[#]} (26. Qe2 $1 $18) 26... Qf6 $2 (26... Rxf2 $1 $15 {keeps the upper hand.} 27. Kxf2 c6) 27. Nd3 $18 Nb5 {With the idea ...Nc3.} 28. Qc2 Na3 29. Qxc7+ {[%mdl 64] Double Attack} Rf7 30. Qxe5 Bxd2 $2 (30... Qxe5 $16 31. Nxe5 Rxf2 32. Kxf2 Bxd2) 31. Bd4 Nxb1 32. Qxf6+ Rxf6 33. Rxb1 ({And not} 33. Bxf6+ Kxf6 34. Rxb1 Be3+ 35. Kh1 b5 $11) 33... Re8 (33... Kf7 {was necessary.} 34. d6+ Be6) 34. Nf2 Bc8 35. d6 Be3 36. Bxe3 Rxd6 37. Rc1 Be6 38. Rc7+ Rd7 39. Bd4+ Kf8 40. Rxd7 Bxd7 41. e5 Be6 42. Bc5+ (42. Bxe6 $18 Rxe6 43. Kg2) 42... Kf7 $16 43. Bd1 Bd5 {[#]} (43... Ra8 $16) 44. Bd6 $1 $18 Rc8 {[#]} 45. Kf1 $1 b5 46. Ke1 Ra8 47. Kd2 Ra2+ 48. Ke3 Be6 49. h4 Ra1 50. Be2 Bc4 $2 (50... Re1 51. Kd2 Rb1) 51. Bxc4+ bxc4 52. Ne4 (52. Kd4 $142) 52... h6 $2 (52... Rd1 {might work better.} 53. Ng5+ Ke8) 53. Kd4 Rd1+ (53... c3 $142) 54. Kxc4 Ke6 55. Nc5+ Kf7 56. Nd3 g5 57. hxg5 hxg5 58. Kd4 (58. Nf2 $142 Rf1 59. Ne4) 58... Kg6 59. Ke4 Rg1 60. e6 {White mates.} Kf6 61. e7 Kf7 62. Ne5+ Ke8 63. Ng4 Rf1 64. Ke5 Kf7 65. Nh6+ Ke8 66. Nf5 Kf7 67. Bb4 {Weighted Error Value: White=0.34/Black=0.70} 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.20"]
[Round "7.2"]
[White "Michailov, Matias"]
[Black "Carbone, Diego"]
[Result "1-0"]
[ECO "D92"]
[WhiteElo "2249"]
[BlackElo "2234"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,83,17,8,29,0,41,0,0,0,33,30,29,15,42,34,38,37,33,31,59,53,58,55,81,76,66,59,101,67,86,58,67,69,83,60,90,85,135,134,151,108,216,207,205,99,99,107,183,177,280,259,370,379,370,233,232,232,229,240,239,229,306,204,406,401,668,614,710,687,766,682,879,868,797,700]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bf4 O-O 6. Rc1 Be6 {D92: Grünfeld: 4 Nf3 Bg7 5 Bf4.} 7. c5 b6 8. b4 (8. Nb5 $5 {[%cal Rb5c7]} Na6 9. Qa4 $14) 8... c6 {The position is equal.} 9. e3 Nh5 10. Bg5 {[#]} bxc5 $146 ({Predecessor:} 10... h6 11. Bh4 Nd7 12. Ba6 bxc5 13. dxc5 Nxc5 14. Be2 Ne4 15. Nd4 c5 16. bxc5 Qa5 17. Bxh5 Nxc3 {1-0 (36) Kociscak,J (2431)-Pribyl,J (2313) Czech Republic 2014}) 11. bxc5 Nd7 12. Nd2 h6 13. Bh4 Bf6 14. Bxf6 Nhxf6 15. Bd3 Qc7 16. h3 Kh8 17. Qc2 Rg8 18. Rb1 Nf8 19. Ne2 Bc8 20. Qc3 N8d7 21. O-O Kh7 22. Rb4 Re8 23. f4 Nf8 24. Rfb1 Qa5 25. R1b3 Bf5 (25... Qc7 $16 26. Rb1 N8d7) 26. Bxf5 $18 gxf5 27. Ra3 (27. Rb7 $18 {has better winning chances.} Qxc3 28. Nxc3) 27... Qc7 $16 28. Qd3 Ne4 (28... e6 $16) 29. Nxe4 $18 dxe4 {[#]} (29... fxe4 {was necessary.} 30. Qa6 Reb8 31. Rxb8 Rxb8 32. Qxa7 Rb7) 30. Qb3 $1 {[%cal Rb3f7]} Ne6 (30... Kg7 $142 31. Rb7 Qc8 32. Raxa7 (32. Rbxa7 Rb8 $18) 32... Rxa7 33. Rxa7 Qe6) 31. Rb7 Reb8 32. Rxc7 Rxb3 33. Rxb3 ({Less strong is} 33. axb3 Nxc7 34. Nc3 Kg6 $14) 33... Nxc7 {[%mdl 4096] Endgame [#] KRN-KRN} 34. Nc3 Rc8 35. Rb7 a6 36. a4 Kg6 $2 (36... a5 37. Ra7 e6 38. Rxa5 Rb8) 37. Rb6 Na8 (37... Ne6 $142 38. Rxa6 Kg7) 38. Rxa6 {White is clearly winning.} e6 39. Kf1 Rb8 {and the idea ...Rb3 leaves Black hopeful.} 40. Ke1 Nc7 41. Rxc6 Ne8 42. Rb6 {Weighted Error Value: White=0.19/Black=0.46} 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.20"]
[Round "7.4"]
[White "Lopez Azambuja, Nicolas"]
[Black "Coppola, Claudio"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2303"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,77,16,27,27,26,27,27,39,40,26,30,22,50,38,29,36,66,58,457,449,460,458,447,454,454,437,419,422,407,402,454,456,509,540,528,517,587,578,601,590,613,610,627,658,688,696,696,631,1270,1253,802,728,1961,1893,1566,1529,1765,821,1836,1506,29978,29979,29990,29989,29997,29998]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. h3 Bxf3 6. Qxf3 e6 7. Nc3 Nbd7 8. cxd5 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} cxd5 9. Bd3 Bd6 10. O-O {White has an edge.} O-O 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 {[%csl Gd3][%cal Re4h7] [#]} Nf6 14. Qxb7 {[#]} Nd5 $146 ({Predecessor:} 14... Bc7 15. Rd1 Nd5 16. Qa6 Bb6 17. Be4 Rc8 18. Qd3 h6 19. Bd2 Qd6 20. Rac1 Rxc1 21. Rxc1 {1-0 (53) Aronian,L (2754)-Fressinet,L (2664) Paris 2009}) 15. Be4 Bh2+ $2 {[%mdl 8192] Black cannot hold the game after this.} 16. Kxh2 $18 Qd6+ {[#]} 17. g3 $1 Rfb8 18. Bxd5 Rxb7 19. Bxb7 Rd8 20. Rd1 Qb6 21. Bf3 h6 22. Kg2 Qb4 23. a3 Qb3 24. Rb1 g5 25. Be3 Kg7 26. Rdc1 Qd3 27. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Rd7 28. a4 f5 29. b5 Rf7 30. d5 exd5 31. Rd1 Qc2 32. Bxd5 Re7 33. Bd4+ Kh7 34. Rbc1 Qxa4 35. Bc5 (35. Bf6 $142 Qb4 36. Bxe7 Qxe7 37. Rc6) 35... Re5 36. Bc6 a6 37. Rd7+ {White mates.} Kg8 38. Bd4 Re2 39. Bd5+ {Weighted Error Value: White=0.01/Black=0.54} 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.20"]
[Round "7.5"]
[White "Dominguez, Facundo"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2165"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,25,24,25,17,19,19,25,32,10,4,11,10,4,22,18,21,14,18,8,18,8,14,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,-18,-15,-187,-185,-150,-79,-540,-533,-490,-291,-543,-529,-606,-615,-1222,-656,-29984,-29984]} 1. e4 e6 2. d4 d5 3. e5 b6 4. f4 Qd7 5. Nf3 c5 6. c3 {C02: French: Advance Variation.} Ne7 7. Be3 Nf5 8. Bf2 {The position is equal.} h5 {[#]} 9. Nbd2 $146 ({Predecessor:} 9. Na3 Ba6 10. Bxa6 Nxa6 11. Nc2 Qb5 12. Qe2 Qxe2+ 13. Kxe2 Rc8 14. a4 Be7 15. a5 {1-0 (43) Ortega Fuentes,L-Sanz Perez,E (2175) Mondragon 2001}) 9... Ba6 10. Bxa6 Nxa6 11. Qe2 Nc7 12. O-O Be7 13. Rfd1 c4 14. Nf1 b5 15. a3 a5 16. Ne3 g6 17. Nxf5 exf5 18. Bh4 Bxh4 19. Nxh4 Ne6 20. Qf3 O-O 21. g3 b4 22. axb4 axb4 23. Ng2 Qb5 24. Rxa8 Rxa8 25. cxb4 $2 {[#]} (25. Ne3 $1 $11 {and White stays safe.} Ra5 26. Rd2) 25... Qxb4 $19 26. Qc3 ({But not} 26. Qxd5 $2 Ra5 $19) 26... Qa4 ({Black should play} 26... Qb7 {...Ra6 is the strong threat.} 27. Rd2 Ra6) 27. Qf3 $2 {[%mdl 8192]} (27. Ne3 $17) 27... Rb8 28. Rd2 {[#] and the idea Ne3 leaves White hopeful.} Rb3 (28... Rxb2 $142 $3 {[%mdl 512]} 29. Rxb2 Qa1+ {[%mdl 64] Double Attack} 30. Ne1 Qxb2 31. Qxd5 c3) 29. Qd1 (29. Qf2) 29... Qb4 30. Qc1 Qb6 31. Qa1 Kg7 32. Qa8 Nxd4 {Weighted Error Value: White=0.89/Black=0.36} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.21"]
[Round "8.4"]
[White "Carbone, Diego"]
[Black "Lopez Azambuja, Nicolas"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2234"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,138,8,5,36,36,42,35,31,2,11,0,13,26,13,8,18,16,19,0,29,24,21,36,37,6,62,58,58,64,62,61,61,60,81,44,31,10,10,11,15,0,0,-6,-8,-6,-5,-5,-8,-8,-8,-7,-7,-8,-8,-8,-8,-9,-9,-9,-9,-9,-9,-24,-16,-24,-9,-9,-9,-32,-32,-32,-14,-71,-32,-32,-20,-69,-32,-59,0,-69,-24,-24,-24,-24,-7,-7,-7,-7,-7,-69,-69,-83,-89,-79,-79,-104,-71,-89,-74,-84,-32,-32,-32,-33,-32,-39,-33,-40,-40,-71,-71,-71,-71,-71,-24,-69,0,0,0,-69,-8,-8,-8,-8,0,-4,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 a5 6. Bg2 O-O 7. Qc2 c5 {E11: Bogo-Indian.} 8. cxd5 $1 {8.cxd5 is better than 8.dxc5.} cxd4 9. Nxd4 Qb6 {White is slightly better.} 10. Nf3 exd5 11. O-O Bxd2 12. Nbxd2 Nc6 {[#]} 13. Rac1 $146 ({Predecessor:} 13. Qb3 Ra6 14. Qxb6 Rxb6 15. b3 {½-½ (15) Postny,E (2637)-Filippov,A (2617) Sibenik 2012}) 13... Re8 14. e3 Bg4 15. Qc5 Qd8 16. a3 a4 17. Nd4 Rc8 18. Nxc6 (18. b4 {keeps more tension.} axb3 19. N2xb3 h6 20. Nxc6 Rxc6 21. Qd4) 18... Rxc6 (18... bxc6 $11 19. Qd4 Be2) 19. Qb4 $14 Qb6 20. Rxc6 Qxb4 21. axb4 bxc6 22. Ra1 Ra8 23. Nb1 Bd1 24. Nc3 Bb3 25. b5 c5 26. b6 Kf8 ({Reject} 26... Rb8 27. Nxa4 Bxa4 28. Rxa4 $16) 27. g4 h6 28. h4 g5 29. hxg5 hxg5 30. f4 Rb8 31. fxg5 Nxg4 32. Nxa4 Bxa4 33. Rxa4 Nxe3 $11 {[%mdl 4096] Endgame KRB-KRN} 34. Ra5 Rxb6 35. Rxc5 d4 {[#] ...d3 is the strong threat.} 36. Be4 Rxb2 37. Ra5 Ke7 38. Ra6 Rd2 39. g6 fxg6 40. Bxg6 Rg2+ 41. Kh1 Rg5 42. Ra4 Rg4 43. Ra6 Nc4 44. Bf5 Rg5 (44... Rf4 {seems wilder.} 45. Bh7 Ne5 46. Kg2 d3 47. Ra7+ Kd6) 45. Be4 Rg4 (45... Re5 $5 {[%cal Re5e4]} 46. Bd3 Nb2 47. Ra7+ Ke6 48. Ra6+ Ke7 49. Ra7+ Kf6 50. Ra6+ Kg5 $15) 46. Bf5 Rh4+ (46... Rf4 {looks sharper.} 47. Bh7 Ne5 48. Kg2 d3 49. Ra2 Rh4) 47. Kg1 Nd6 48. Bd3 Rf4 49. Kg2 Ke6 50. Kg3 Rf8 51. Bc4+ (51. Ra5 $11) 51... Ke5 $15 52. Bd3 Ne4+ 53. Kg2 Rf2+ 54. Kg1 Rd2 (54... Rf3 {with more complications.} 55. Bb5 Rb3 56. Bc4 Rc3 57. Bb5 Kf4) 55. Bc4 Kf4 56. Ra3 Ng5 ({Black should play} 56... Rc2 $17 57. Bd3 Rb2) 57. Kf1 Rc2 58. Bd3 Rb2 59. Be2 Ne4 {[#] Hoping for ...Ng3+.} 60. Rf3+ Ke5 {And now ...Nd2+ would win.} 61. Ra3 Nc3 62. Bc4 Ke4 63. Ra8 Ke3 64. Re8+ Kf3 ({Black should try} 64... Kd2 $1 $15) 65. Rf8+ $11 Ke3 (65... Kg4 $11) 66. Re8+ $15 Kf4 ({Better is} 66... Kd2 $1 $15) 67. Rf8+ $11 {The position is equal.} Ke5 68. Re8+ Kf4 69. Rf8+ Ke3 {Weighted Error Value: White=0.10/Black=0.11} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.21"]
[Round "8.5"]
[White "Hoffman, Alejandro"]
[Black "Michailov, Matias"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2459"]
[BlackElo "2249"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,120,42,42,45,48,45,45,46,49,58,47,43,31,59,46,88,49,65,50,50,40,66,50,60,64,60,72,75,64,82,72,128,17,20,14,14,13,32,10,18,0,0,0,0,0,31,45,47,0,0,-33,0,0,0,0,9,0,11,12,166,125,290,291,335,325,345,358,393,249,696,386,386,386,386,386,386,327,307,33,36,36,39,0,0,-14,-8,-8,0,-14,-14,-14,-14,-616,-386,-29966,-29967,-7842,-9428,-4622,-22]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bh4 g5 10. Bg3 Nh6 11. d5 {has lost popularity (11.dxe5).} Nd7 12. Nd2 f5 {E93: King's Indian: Classical: Petrosian System with 7...Nbd7.} 13. exf5 Nc5 14. Nde4 Nxe4 {White is slightly better.} 15. Nxe4 Bxf5 16. Bd3 g4 17. O-O Bg6 18. Rc1 Qe7 19. c5 Kh8 {[#]} 20. cxd6 $146 ({Predecessor:} 20. Rc4 Bf7 21. cxd6 cxd6 22. Nc3 Rac8 23. b3 b5 24. Nxb5 Bxd5 25. Ra4 Qd7 26. Re1 {1-0 (46) Vescovi,G (2631)-Saldano Dayer,H (2401) Campinas 2011}) 20... cxd6 21. Rc4 Rad8 22. Qe2 Rd7 23. Rfc1 Qd8 24. b4 Bf5 25. a4 Qe7 26. a5 Qf7 (26... Ng8 $142) 27. Nc3 (27. Rc8 $16) 27... Bxd3 $11 28. Qxd3 Nf5 29. Rxg4 Rc7 {Hoping for ...Rfc8.} 30. Re1 (30. Rf1 {feels hotter.} Rfc8 31. Ne2 Ne7 32. Bh4 Qxd5 33. Qxd5 Nxd5 34. Rd1) 30... h5 31. Rge4 Nxg3 32. hxg3 ({Avoid the trap} 32. Qxg3 $2 Rxc3 $1 {[%mdl 512]} 33. R4e3 (33. Qxc3 $2 Qxf2+ 34. Kh1 Qf1+ {[%mdl 64] Back Rank} 35. Rxf1 Rxf1#) 33... Rxe3 $19) 32... Qxf2+ 33. Kh2 Qf5 34. Nb5 Rd7 35. Nxa7 Bh6 $1 36. Qe2 Bg5 {[%mdl 1024] Black has compensation.} (36... Rg7 $5 {[%cal Rf5g6]} 37. Rh4 Qg6 $15) 37. Nb5 {[%cal Ba7b5,Bb5c3,Bc3e4,Be4d6][%mdl 32]} h4 38. g4 $36 {[%mdl 2048] White has good play.} Qf7 39. Rd1 Bf4+ 40. Kh3 Rc8 $2 (40... Qf6 $11 {and Black is okay.}) 41. Rc4 Re8 (41... Rg8 $16) 42. Nc3 $18 Qg6 43. Ne4 Rg7 44. Rd3 Reg8 {and the idea ...Qh6 leaves Black hopeful.} 45. b5 Qe8 $2 (45... Bg3 46. a6 (46. Nxg3 hxg3 47. Kxg3 Rh7 $18) 46... bxa6 47. bxa6 Rf7) 46. Nxd6 Qd7 {[%cal Rg7g4] [#]} 47. Rxf4 exf4 48. Qe6 Qxe6 49. dxe6 {[%mdl 4096] Endgame KRR-KRN} Re7 {[#]} 50. Nf7+ $2 ({White should try} 50. Nxb7 $1 $18 {[%mdl 512]} Rxb7 51. b6) 50... Kg7 $14 51. Rd6 Ra8 $1 52. Rb6 Rxa5 53. g5 {Nh6 is the strong threat.} Ra3+ 54. Kxh4 Rg3 {And now ...Kg6 would win.} 55. Nd6 Kg6 {[%cal Re7h7]} 56. Rxb7 Rxe6 57. Nf7 {[%mdl 8192]} (57. Nc8 $11) 57... Rxg2 {White must now prevent ...Kf5.} 58. Nh8+ $2 (58. Nd8 $19 Rd6 59. Nc6 Rxg5 60. Rb8) 58... Kf5 {[%cal Rg2h2]} 59. Rf7+ Ke4 {( -> ...Kf3)} 60. g6 Kd4 $2 {[%mdl 32768] Never resign too early!  Weighted Error Value: White=0.58/Black=0.30. Sensor Board Error (Ke4/e5)?} (60... Re8 $19 61. g7 Rg8) 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.22"]
[Round "9.1"]
[White "Michailov, Matias"]
[Black "Vazquez, Facundo"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2249"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,64,7,4,-50,-66,-66,-41,-54,-51,-63,-21,-89,-26,-34,-41,-154,-61,-51,-71,-118,-68,-147,-161,-179,-131,-243,-218,-270,-262,-347,-312,-328,-334,-576,-585,-686,-677,-843,-782,-769,-744,-870,-843,-978,-953]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 b6 9. Bf4 Bb7 10. Rd1 Nbd7 11. Nc3 dxc4 12. e4 (12. Nd2 $11) 12... b5 $15 13. Re1 Nb6 14. Rad1 {Black is slightly better.} a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 15. h4 b4 16. Ne2 (16. Nb1 $11) 16... h6 ({Black should try} 16... Ba6 $17) 17. Ne5 $11 a4 18. Bf3 {[#]} (18. Nxc4 $15 Nxc4 19. Qxc4) 18... b3 (18... a3 $1 $17 {And now ...axb2 would win.} 19. bxa3 Rxa3) 19. axb3 $15 cxb3 20. Qb1 Qe8 21. Kg2 (21. Qc1 $15) 21... Nfd7 $17 22. Ng4 f6 23. h5 {[#]} (23. Bxh6 $17 gxh6 24. Nf4) 23... Bb4 $1 $19 24. Rh1 c5 25. d5 Nc4 26. Bxh6 gxh6 27. dxe6 $2 (27. Qc1 Nde5 28. Nf4 Nxf3 29. Qxc4) 27... Nde5 {Black is clearly winning.} 28. Nxh6+ Kh7 29. Rd7+ {[#]} Qxd7 $1 {[%mdl 512]} 30. exd7 Nd2 31. Qc1 Nexf3 32. Nf5 Bxe4 {Weighted Error Value: White=0.67/Black=0.16} 0-1

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.22"]
[Round "9.2"]
[White "Lopez Azambuja, Nicolas"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2303"]
[BlackElo "2459"]
[Annotator "RC"]
[PlyCount "89"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:09]} 2. c4 {[%emt 0:00:10]} e6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:48]} d5 {[%emt 0:00:09]} 4. cxd5 {[%emt 0:00:12]} exd5 {[%emt 0:00:09]} 5. Bg5 {[%emt 0:00:10]} Be7 {[%emt 0:00:08]} 6. e3 {[%emt 0:00:18]} c6 {[%emt 0:00:07]} 7. Qc2 {[%emt 0:00:28]} Nbd7 {[%emt 0:00:08]} 8. Bd3 {[%emt 0:00:28]} Nh5 {[%emt 0:00:09]} 9. Bxe7 {[%emt 0:00:15]} Qxe7 {[%emt 0:00:07]} 10. Nge2 {[%emt 0:00:43]} Nb6 {[%emt 0:00:11]} 11. O-O {[%emt 0:01:10]} g6 {[%emt 0:00:29]} 12. Rae1 {[%emt 0:02:32]} O-O {[%emt 0:02:20]} 13. Nc1 {[%emt 0:01:52]} Be6 {[%emt 0:16:40]} 14. f3 {[%emt 0:06:01]} Rfe8 {[%emt 0:09:21]} 15. Qf2 {[%emt 0:04:50]} Rad8 {[%emt 0:05:43]} 16. Kh1 {[%emt 0:04:52]} c5 {[%emt 0:18:48]} 17. dxc5 {[%emt 0:11:02]} Qxc5 {[%emt 0:00:08]} 18. Nb3 {[%emt 0:01:05]} Qb4 {[%emt 0:00:38]} 19. Rd1 {[%emt 0:16:08]} Nc4 {[%emt 0:11:22]} 20. Bxc4 {[%emt 0:03:40]} dxc4 {[%emt 0:00:08]} 21. Nd4 {[%emt 0:00:24]} Qb6 {[%emt 0:06:10]} 22. Rd2 {[%emt 0:03:21]} f5 {[%emt 0:08:05]} 23. Rfd1 {[%emt 0:03:39]} Bf7 {[%emt 0:01:16]} 24. e4 {[%emt 0:13:24]} f4 {[%emt 0:11:53]} 25. g4 {[%emt 0:02:08]} fxg3 {[%emt 0:00:33]} 26. hxg3 {[%emt 0:02:17]} Nf6 {[%emt 0:00:54]} 27. Qe3 {[%emt 0:04:55]} Qc5 {[%emt 0:04:25]} 28. Nf5 {[%emt 0:01:49]} Qxe3 {[%emt 0:00:07]} 29. Nxe3 {[%emt 0:00:05]} Rxd2 {[%emt 0:00:06]} 30. Rxd2 {[%emt 0:00:03]} a6 {[%emt 0:00:06]} 31. Rd6 {[%emt 0:02:13]} Kg7 {[%emt 0:01:38]} 32. Kg2 {[%emt 0:00:45]} b5 {[%emt 0:02:05]} 33. a3 {[%emt 0:00:34]} Re6 {[%emt 0:00:29]} 34. Rd4 {[%emt 0:03:12]} h5 {[%emt 0:00:14]} 35. f4 {[%emt 0:00:53]} Rb6 {[%emt 0:00:59]} 36. e5 {[%emt 0:00:30]} Ng8 {[%emt 0:01:06]} 37. Rd7 {[%emt 0:00:53]} Kf8 {[%emt 0:00:06]} 38. Ned5 {[%emt 0:01:10]} Rb8 {[%emt 0:00:18]} 39. Nc7 {[%emt 0:02:15]} b4 {[%emt 0:00:19]} 40. axb4 {[%emt 0:02:51]} Rxb4 {[%emt 0:00:30]} 41. Ne4 {[%emt 0:05:17]} Rxb2+ {[%emt 0:00:31]} 42. Kf3 {[%emt 0:00:16]} Rb3+ {[%emt 0:00:49]} 43. Ke2 {[%emt 0:00:34]} Rd3 {[%emt 0:01:13]} 44. Nd6 {[%emt 0:00:39]} Bd5 {[%emt 0:00:53]} 45. Nxd5 {[%emt 0:00:20]} 1-0

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.22"]
[Round "9.4"]
[White "Dominguez, Facundo"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2165"]
[BlackElo "2234"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,79,-23,0,-32,27,-37,-43,-41,-45,-89,-14,-10,-14,-10,-12,-24,0,12,97,84,81,85,109,105,108,103,118,116,118,119,130,83,79,56,56,48,47,11,13,12,12,13,22,6,10,6,10,6,26,4,32,32,39,5,11,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. Bb2 Bg7 11. Nd2 {[#]} O-O $1 12. Nf3 {[#]} (12. O-O-O Rae8) 12... d6 13. Qd2 (13. O-O-O $11) 13... Nb6 $15 {[%cal Rd6e5]} 14. O-O-O {[%cal Re5d6] Black is slightly better.} dxe5 15. Qa5 {[#]} Bb7 ({Black should play} 15... e4 $1 $17 16. Bxg7 Kxg7) 16. Bxe5 $11 Bh6+ 17. Kb1 c5 $1 {Threatens to win with ...Bxf3.} 18. Bb2 $1 Rad8 19. Bd3 Rxd3 20. Rxd3 $16 {And now Re1 would win.} Be4 21. Qc3 {[%csl Gb2][%cal Rc3h8]} f6 22. Re1 {aiming for Ka1.} Bxd3+ 23. Qxd3 Qf7 24. Ba3 Qd7 25. Qe4 Qd6 26. Qe6+ Rf7 27. Kc2 (27. Bb2 {is interesting.} Qd3+ 28. Ka1 Qd6 29. Bc3 Bf8 30. h3) 27... Bf8 28. Qxd6 (28. h3 {seems wilder.} Qxe6 29. Rxe6 Bd6 30. Bc1 Rf8 31. Nd2) 28... cxd6 29. Nd2 Re7 30. Rxe7 Bxe7 $11 {[%mdl 4096] Endgame KBN-KBN} 31. Ne4 Kf7 32. Kd3 Ke6 33. Bc1 h5 34. Nc3 a6 35. Ne4 g5 36. f4 g4 37. Ng3 (37. f5+ $5 Ke5 38. Bb2+ Kxf5 39. Ng3+ Kg6 40. Ke4 $11) 37... h4 $1 {[%cal Rh4g3] The position is equal.} 38. f5+ Ke5 39. Bb2+ Kf4 40. Bc1+ {Weighted Error Value: White=0.15/Black=0.17} 1/2-1/2

[Event "Uru-ch 2020 Final"]
[Site "Montevideo"]
[Date "2021.08.22"]
[Round "9.5"]
[White "Guerrero, Alvaro"]
[Black "Coppola, Claudio"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2122"]
[BlackElo "2241"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.03.13"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,94,0,-13,0,-8,0,-14,-1,-20,25,0,-10,-57,-74,-96,-50,-70,-6,-54,-44,-37,-14,-14,0,3,67,0,23,0,37,42,74,0,54,25,51,0,39,0,115,0,150,-521,-516,-473,-479,-529,-283,-285,-279,-256,-110,-630,-534,-530,-531,-527,-531,-510,-489,-640,0,-761,-564,-29991,-29992,-29992,-29993,-29997,-10979,-5222,-5220,-29964,-29967,-29987,-29988,-29995,-29996]} 1. e4 c5 2. d3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 e5 6. O-O Nge7 7. c3 d6 8. a3 O-O 9. Nbd2 h6 10. b4 a6 11. Qe2 Be6 12. Rd1 Qc7 {The position is equal.} 13. Rb1 Rae8 14. Nb3 cxb4 15. cxb4 f5 16. h3 Kh7 17. Kh2 Ng8 (17... Qd7 $15) 18. Nbd2 (18. Na5 $5) 18... Nf6 19. Bb2 d5 20. Rbc1 d4 21. exf5 gxf5 (21... Bxf5 $11 22. Re1 Be6) 22. Nh4 (22. a4 $1 $14) 22... Nd5 23. Re1 Qe7 24. Qh5 Qg5 25. Qe2 ({White should try} 25. Qxg5 $1 $16 hxg5 26. Nhf3) 25... Bg8 (25... Qe7 $11) 26. Ndf3 Qf6 {[#]} 27. Qc2 (27. Nxf5 $1 $14 Nf4 28. gxf4 Qxf5 29. Qe4 Qxe4 30. Rxe4) 27... Rc8 28. Qe2 {White wants to play Nxf5!} Nc3 (28... Rce8 $11 {remains equal.}) 29. Qd2 (29. Bxc3 $16 dxc3 30. Nxf5 $1) 29... e4 (29... Rcd8 $11) 30. Bxc3 $2 (30. dxe4 $16 {and life is bright.} Nxe4 31. Qf4 Nxf2 32. Rxc6 $1 Rxc6 33. Bxd4 {[%mdl 64] Double Attack}) 30... dxc3 $19 31. Qf4 exf3 32. Bxf3 Rce8 33. Rxe8 Rxe8 34. Rxc3 Qg5 ({Weaker is} 34... Qxc3 35. Qxf5+ Kh8 36. Ng6+ Kh7 37. Nh4+ Kh8 38. Ng6+ Kh7 39. Nh4+ $11) (34... Nd4 $19 {and Black stays clearly on top.} 35. Bh5 Rf8) 35. Qc7 $2 {[%mdl 8192]} (35. Rc5 $17) 35... Re7 36. Rxc6 Rxc7 37. Rxc7 {If only White now had time for Nxf5!...} Qd8 38. Rxb7 Qxd3 {aiming for ...Qf1.} 39. Re7 Bd5 $2 (39... Qf1 $19 40. Bg2 Qxf2 41. Nxf5 {[#]} Kh8 $1) 40. Be2 $2 {[%mdl 8192]} (40. Rd7 $11) 40... Qb1 {[%csl Gd5][%cal Rb1h1]} 41. g4 Qh1+ 42. Kg3 Qg1+ 43. Kf4 Qxf2+ (43... Qc1+ $142 44. Re3 Qc7+ 45. Kxf5 Qf7#) 44. Nf3 fxg4 45. hxg4 Kg6 {Black mates.} 46. Bd3+ Kf6 {[%csl Gd5][%cal Rf2f3]} 47. Re3 Bf8 {Weighted Error Value: White=1.04/Black=0.59} 0-1

