[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.1"]
[White "Felgaer, Ruben"]
[Black "Tristan, Leonardo"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2562"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,102,42,53,42,60,56,54,47,45,44,52,47,72,0,27,-34,0,-36,0,0,35,7,3,6,14,-74,-76,-68,-56,-67,0,0,18,12,11,17,14,0,0,-95,-94,-95,-95,-94,-94,-98,-85,-81,-92,-236,-180,-202,-190,-171,-102,-97,-33,-282,-242,-234,-158,-161,-139,-198,-116,-172,-141,-149,-149,-142,-142,-336,-324,-335,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 O-O 8. Re1 Nd7 9. Be3 {C84: Closed Ruy Lopez: Unusual White 6th moves} Nb6 10. Bb3 Kh8 11. d4 {White is slightly better.} (11. Nbd2 f5 12. Bxb6 cxb6 13. exf5 Bxf5 14. d4 exd4 15. Nxd4 Nxd4 16. cxd4 Qd7 {0-1 (32) Anand,V (2783)-Caruana,F (2807) Saint Louis 2017}) 11... exd4 $146 ({Predecessor:} 11... Bg4 12. h3 Bh5 13. Nbd2 exd4 14. cxd4 d5 15. e5 f5 16. Nf1 f4 {0-1 (32) Dagkakis,P (2272)-Kapnisis,S (2418) Rhodes 2008}) 12. cxd4 d5 13. Nc3 {[%cal Rc3d5]} Be6 14. e5 (14. Ne5 $16) 14... Qd7 15. Ng5 ({Only move:} 15. h3 $1 $11) 15... Bf5 16. h3 h6 17. Nf3 Nc4 18. Qc1 Nb4 {Strongly threatening ...Nd3.} 19. Nxd5 $1 Nxe3 20. e6 (20. fxe3 $11 Nxd5 21. e4 {[%mdl 64] Double Attack}) 20... Qxd5 $17 21. Bxd5 Nexd5 22. exf7 Nd3 ({Better is} 22... Bd6 $15 23. Qc4 b5) 23. Qc4 $11 Nxe1 24. Rxe1 c6 25. Qb3 $1 {[%cal Rb3b7]} Rab8 ({Don't play} 25... Bb4 $6 26. Re5 $16) 26. Ne5 {aiming for g4.} Bd6 $36 {[%mdl 2048] Black fights for an advantage.} 27. Qg3 (27. f4 $11) 27... Bxe5 $1 $17 28. Rxe5 Bh7 $1 29. Re6 Rbd8 30. Rxh6 {[#]} Nf6 $1 31. Qh4 Rd6 32. Rxh7+ (32. Qf4 $17 {keeps fighting.} Re6 33. Rh4) 32... Nxh7 $19 33. Qe7 Rf6 ({Resist} 33... Rxd4 34. Qxb7 a5 35. Qc7 $17) 34. Qxb7 R8xf7 (34... R6xf7 $19 35. Qxa6 Rxf2) 35. Qxa6 $17 Rxf2 36. Qxc6 $2 (36. b4 $1 $15) 36... Rxb2 $19 37. a4 Rbb7 38. Qc8+ Nf8 39. h4 (39. a5 $17 {is a better defense.}) 39... Rbd7 ({Black should try} 39... Rb1+ $19 40. Kh2 Rb4) 40. Qe8 (40. Qc5 $17) 40... Kg8 41. Qe3 Rd5 42. Qb3 Rxd4 43. a5 $2 (43. g3 $17) 43... Rxh4 44. a6 {[#]} Rh6 $2 (44... Re4 $1 $19 45. Qa2 Ree7) 45. Qa2 $1 $11 {Black must now prevent a7.The position is equal.} Ne6 {Threatens to win with ...Ra7.} 46. a7 Nc7 47. a8=Q+ Nxa8 48. Qxa8+ Rf8 49. Qd5+ Kh8 50. Qe4 Rhf6 51. Qh4+ Kg8 {Accuracy: White = 43%, Black = 60%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.2"]
[White "Rodriguez Vila, Andres"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2486"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,120,41,42,54,24,55,25,53,41,64,35,43,26,27,26,29,20,32,25,38,32,51,39,74,67,68,25,25,21,21,21,21,21,21,21,21,14,14,0,0,-3,0,-12,-13,-20,-19,-21,-21,-28,-18,-186,-47,-35,0,-23,-23,-27,104,0,0,0,16,-151,-122,-187,-175,-199,-196,-193,-184,-750,-436,-461,-469,-450,-424,-1277,-1544,-1361,-1276,-1014,-917,-1891,-1638,-2253,-2112,-1969,-2015,-1260,-1650,-29981,-29982,-29977,-1973,-12812,-8933,-29973,-29975,-29974,-29977,-29977,-29978,-29978,-29978]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Qe8 8. d5 a5 9. Ne1 Na6 10. Nd3 b6 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (10... Nd7 11. f3 f5 12. Bd2 Nac5 13. Nxc5 Nxc5 14. exf5 gxf5 15. f4 Bd7 16. Kh1 Qe7 17. fxe5 Bxe5 18. Bf4 Bxf4 19. Rxf4 Qe5 20. Qd4 Qxd4 21. Rxd4 Rae8 22. Kg1 Re5 23. Rf1 Na4 24. Rd2 {½-½ (24) Roiz,M (2625)-Nedobora,M (2384) Israel 2013}) 11. Bd2 $146 ({Predecessor:} 11. f3 Nc5 12. Nxc5 bxc5 13. a4 Nh5 14. g3 Bh3 15. Rf2 f5 16. Bf1 Bxf1 17. Qxf1 Nf6 18. Ra3 {1-0 (44) Babujian,L (2439)-Nalbandian,T (2505) Yerevan 2008}) 11... Bd7 12. Qc2 Nc5 {White has an edge.} 13. Nxc5 bxc5 14. a4 Qe7 15. Nb5 c6 16. dxc6 Bxc6 17. Bf3 Rfd8 18. Rfd1 Ne8 19. Bc3 Bh6 20. Qe2 Ra6 21. Qe1 Ng7 22. Bxa5 Rda8 23. Bc3 Ne6 24. b3 Nd4 25. Bxd4 exd4 26. Ra2 Re8 27. Re2 Raa8 28. Rd3 Qd7 29. g3 Bg5 30. Bg2 Bd8 31. f4 Ba5 32. Qf1 f6 33. h4 Rad8 34. Bh3 $2 {[#]} (34. Qf2 $11 {and White is okay.}) 34... Qg7 (34... f5 $1 $19 35. e5 dxe5 36. fxe5 Qg7) 35. Bg2 $15 Qd7 36. Kh2 Qb7 {[%cal Rc6e4]} 37. f5 Rxe4 ({Don't play} 37... Bxe4 $6 38. fxg6 Bxd3 39. Bxb7 $14) (37... Kg7 $11) 38. Rxe4 (38. fxg6 $16 Rxe2 39. gxh7+ (39. Qxe2 Bxg2 40. gxh7+ Kxh7 $16) 39... Kxh7 40. Qxe2 Bxg2 41. Qxg2 Qxg2+ 42. Kxg2) 38... Bxe4 $11 39. fxg6 hxg6 40. Bxe4 $2 (40. Qxf6 $11 Bxg2 41. Qxg6+ Kh8 42. Nxd6 Rxd6 43. Qxd6) 40... Qxe4 $17 41. Rf3 (41. h5 $17 {keeps fighting.}) 41... f5 $19 42. h5 Kg7 (42... gxh5 43. Rxf5 Qg4 44. Rf4 $11) 43. hxg6 Kxg6 {Threatens to win with ...Rh8+.} 44. Qd3 $2 {[#]} (44. Kg2) 44... Bd2 $1 {[%mdl 512]} 45. Kg2 (45. Qxd2 Qxf3) 45... Be3 46. Qxe4 fxe4 47. Rxe3 (47. Rf1 $142 Bd2 48. Nc7) 47... dxe3 {[%mdl 4096] Endgame KR-KN} 48. Kf1 Kf5 49. Ke2 Ke5 50. Na7 Ra8 51. Nb5 Rf8 52. Nc3 Rf2+ 53. Kxe3 Rb2 54. g4 Rxb3 55. Kd2 {[#]} Rb2+ (55... e3+ $142 $1 56. Kxe3 Rxc3+ {[%mdl 64] Double Attack} 57. Ke2 Rxc4 {[%mdl 64] Double Attack} 58. a5 Rxg4 59. Kd1 Rg2 60. a6 c4 61. a7 Ra2 62. a8=B Rxa8 63. Ke2 Kd4 64. Kf2 c3 65. Kg3 c2 66. Kg4 Rg8+ 67. Kf4 c1=Q+ 68. Kf5 Rg7 69. Kf6 Qg5+ 70. Ke6 Qg6#) 56. Ke3 Rc2 57. Nxe4 Rxc4 {[%mdl 64] Double Attack. Black mates.} 58. Nf2 Rxa4 59. Nd3+ Kf6 60. Nf2 Kg5 {Accuracy: White = 34%, Black = 56%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.3"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2426"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,1,9,26,23,27,-5,4,2,25,8,41,-23,-21,-22,-22,-31,-31,-31,-32,-43,-35,-41,-36,-35,-30,-53,-26,-66,-72,-105,-87,-94,-93,-212,-198,-282,-258,-285,-279,-309,-305,-380,-308,-411,-403,-527,-550,-907,-902,-1323,-1312,-1233,-1227,-11399,-6149,-2557,-1147,-29980,-29981,-29978,-29979]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 d6 6. Nd5 {A28: English Opening: Four Knights Variation} (6. Ne2 a5 7. a3 Bc5 8. d4 Ba7 9. d5 Ne7 10. Ng3 O-O 11. Bd3 c6 12. dxc6 bxc6 13. O-O Ng6 {1-0 (52) Melkumyan,H (2668)-Sevian,S (2641) Saint Louis 2018}) 6... Bc5 7. a3 {LiveBook: 9 Games} a6 8. b3 $146 {White has an edge.} ({Predecessor:} 8. b4 Ba7 9. Bb2 Nxd5 10. cxd5 Ne7 11. Bc4 Bd7 12. O-O O-O {1-0 (31) Figler,I (2328)-Hellenschmidt,A (2018) New York 2003}) 8... Ba7 9. Nxf6+ (9. Bb2 {is interesting.} O-O 10. Bd3 h6 11. Nxf6+ Qxf6 12. Be4) 9... Qxf6 10. Bb2 Qe7 11. Bd3 Bd7 12. h3 (12. b4 $14) 12... Rf8 $11 13. b4 ({Of course not} 13. Bxh7 g6 $17) 13... f5 {...e4 is the strong threat.} 14. b5 e4 15. bxc6 Bxc6 16. Be2 exf3 17. Bxf3 Bxf3 18. gxf3 O-O-O 19. Qb3 c6 20. Rc1 Kb8 21. f4 g5 $1 22. fxg5 Qxg5 23. Qd1 (23. Kd1 $17 {might work better.}) 23... Qg2 $19 24. Ke2 {[#]} (24. Rf1 $142) 24... f4 $1 {[%cal Bf5f4,Bf4e3][%mdl 32] And now ...fxe3 would win.} 25. Qg1 {[#]} Qe4 $1 26. Qg4 {[#]} h5 $1 {[%mdl 512]} 27. f3 (27. Qxh5 fxe3) 27... Qe7 ({Less strong is} 27... hxg4 28. fxe4 fxe3 29. dxe3 $17) 28. Qg7 Rf7 29. Qg6 {intending e4.} fxe3 30. d3 {[#]} Rxf3 $1 {[%mdl 512]} 31. Rcf1 (31. Kxf3 Rf8+) 31... Rf2+ 32. Rxf2 exf2+ 33. Kd1 Re8 34. Kc2 Rf8 (34... Qe2+ $142 35. Kb3 Bc5) 35. Rf1 Qe2+ 36. Kb3 Bc5 {Precision: White = 27%, Black = 74%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.4"]
[White "Bitelmajer, Martin"]
[Black "Hernandez Guerrero, Gilberto"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2453"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,65,14,16,31,0,0,0,12,19,19,39,47,40,42,37,33,33,25,0,0,0,20,0,0,-16,-9,-10,-13,-22,0,8,8,8,9,11,33,0,71,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 Bf5 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} 11. Bg5 h6 12. Bxf6 Qxf6 (12... Bxf6 13. Nd2 Bc8 14. Nc4 Bxc3 15. bxc3 b5 16. Nd2 Nd7 17. Re1 a5 18. Qc2 {½-½ (29) Tomashevsky,E (2702)-Svidler,P (2763) Palma de Mallorca 2017}) 13. Nd2 Na6 14. Nc4 $146 ({Predecessor:} 14. e4 Bd7 15. a4 Qd4 16. Re1 Nb4 17. Bf1 Bg4 18. Qxg4 Qxd2 {0-1 (50) Tsolakidou,S (2414)-Lalith,B (2547) Caleta 2019}) 14... Nc7 15. e4 b5 16. exf5 {[#] And now Ne3 would win.} bxc4 17. fxg6 Qxg6 18. Qa4 Rab8 19. Nd1 Qd3 20. Qc6 Nb5 {[%cal Bc7b5,Bb5d4,Bd4b3][%mdl 32]} 21. a4 Nd4 $1 {[%cal Rd4c6]} 22. Qxd6 Nb3 23. Ra3 Qe2 24. Qf4 Bxb2 25. Bf3 Qe5 26. Nxb2 Qxb2 27. Bh5 Rb7 {[#]} (27... Rf8 $11 28. Qxh6 (28. Bxf7+ Kg7 $11) 28... Qxa3 29. Qg5+ Kh8 30. Qf6+ Kg8 31. Qg5+ Kh8 32. Qf6+ Kg8 33. Qg5+) 28. Qxh6 (28. d6 $1 $16 {[%cal Rd6d7]} Rd8 29. Re1 (29. Qxh6 Qe5 $11)) 28... Qxa3 $11 {The position is equal.} 29. Qg5+ Kf8 30. Qh6+ Kg8 {Hoping for ...Qb2.} 31. Qg5+ Kf8 32. Qh6+ Kg8 {Threatens to win with ...Qb2.} 33. Qg5+ {Accuracy: White = 50%, Black = 79%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.5"]
[White "Alonso, Salvador"]
[Black "Mussanti, Diego"]
[Result "1-0"]
[ECO "B83"]
[WhiteElo "2502"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 36,75,25,21,46,39,47,24,69,47,29,48,46,27,40,19,142,28,26,0,72,29,89,37,95,-104,0,0,0,0,0,0,0,0,0,0,72,73,963,545,29991,29992]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be2 Nf6 7. O-O Be7 8. Kh1 O-O 9. f4 a6 10. Be3 Qc7 11. Qe1 Nxd4 12. Bxd4 b5 13. a3 Bb7 14. Qg3 Bc6 15. Rae1 Qb7 16. Bd3 b4 17. Nd1 bxa3 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3} 18. bxa3 g6 19. Nf2 {[#] LiveBook: 28 Games} Rfb8 $146 {The position is equal.} ({Predecessor:} 19... Rfc8 20. Qh3 Qd7 21. Ba1 Bb5 22. e5 dxe5 23. fxe5 Nd5 24. Ne4 Bxd3 25. cxd3 {1-0 (37) Areshchenko,A (2654)-Fier,A (2616) Warsaw 2016}) 20. Qh3 Qd7 21. Ba1 Bb5 22. e5 dxe5 23. fxe5 Nh5 24. Ne4 Bxd3 (24... Bxa3 $2 25. Bxb5 axb5 26. Qxh5 $1 $18 {[%mdl 512]}) 25. cxd3 Qd5 (25... Rb3 $11 {keeps the balance.}) 26. Rf3 ({White should play} 26. Qf3 $16 Rf8 27. g4) 26... Rb3 $11 ({Don't blunder} 26... Bxa3 $2 27. g4 $18) 27. Ref1 {And now g4 would win.} Rxa3 (27... Rf8 $11) 28. Bb2 Rb3 $1 {[%cal Rb3b2] [#]} 29. Rxf7 (29. Bc3 $1 $16 Rf8 30. g4) 29... Rxd3 $14 {[%cal Bb3d3,Bd3d2,Bd2d1][%mdl 32]} 30. Ng3 $2 (30. Qg4 $16 Rf8 31. Rxf8+ Bxf8 32. Qe2) 30... Bg5 ({Black should try} 30... Ra7 $17 {...Rc7 is the strong threat.} 31. Bc1 Nxg3+ 32. hxg3 h5) 31. Qg4 $1 $11 Nxg3+ 32. hxg3 Bh6 {Hoping for ...Rd2.} 33. Qh4 Rd2 $1 {[%csl Gd2,LRb2,LRg2][%cal Rd5g2]} 34. R1f3 $40 {[%mdl 128] White has some attack.} Rd1+ $1 35. Kh2 Qc5 (35... Qd2 $11 {remains equal.}) 36. Rf2 $16 {[%mdl 1024] White has strong compensation.} ({Avoid the trap} 36. Qxh6 $2 Qg1+ 37. Kh3 Qh1+ 38. Kg4 Qxh6 $19) 36... Rf8 $2 {[%mdl 8192]} (36... Qe3 $16) 37. Qf6 $1 $18 {[%cal Rf6e6]} Re8 {[#]} 38. Rg7+ $1 {[%mdl 512] Precision: White = 46%, Black = 45%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.6"]
[White "Ricardi, Pablo"]
[Black "Muniz, Rafael"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2479"]
[BlackElo "2250"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,81,65,59,46,51,45,142,146,138,141,164,171,152,118,122,68,68,63,90,88,132,95,330,319,324,327,324,319,386,375,614,354,336,336,347,343,341,341,335,299,294,294,300,300,498,488,508,502,480,465,453,440,858,754,4059,1441,2045,2085,7591,5277,5222,4724]} 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 d6 7. Re1 Be7 8. e4 O-O 9. d4 cxd4 10. Nxd4 Qc8 11. b3 a6 12. Ba3 {Hoping for e5. A30: Symmetrical English: Double Fianchetto and Hedgehog} (12. Bb2 Nbd7 13. h3 Re8 14. g4 g6 15. Rc1 Bf8 16. Qd2 Qc7 17. f4 e5 18. Nd5 Qd8 19. Nxf6+ Qxf6 20. Ne2 Nc5 {0-1 (29) Piorun,K (2517)-Neiksans,A (2559) Wroclaw 2014}) 12... Re8 13. Rc1 Nc6 $146 {[#]} (13... Qc7 $14) ({Predecessor:} 13... Nbd7 14. f4 Bf8 15. Rc2 g6 16. Nf3 Nc5 17. Ng5 h6 18. Nh3 Qc7 19. Nf2 Rad8 {½-½ (55) Kretchetov,A (2264)-Li,Z (2412) Las Vegas 2017}) 14. Nd5 $1 $16 {[%cal Rd5b6][%mdl 512] White is clearly better.} Bd8 {Black wants to play ...Nxd4.} (14... exd5 15. cxd5) 15. Nxc6 ({Much worse is} 15. Bxd6 $6 Nxd4 16. Qxd4 exd5 $11) 15... Bxc6 16. Bxd6 Qb7 17. Nxf6+ Bxf6 18. Qe2 ({White should try} 18. f3 $16) 18... Bd4 $1 $14 19. Ba3 Rad8 20. Bb2 f5 21. Rcd1 $36 {[%mdl 2048] Keeping Black busy.} Bc5 $2 (21... e5 $16) 22. Rxd8 $18 Rxd8 {[#]} 23. exf5 $1 Bxg2 24. Qxe6+ Kf8 {White must now prevent ...Bh3.} 25. f6 g5 $2 (25... g6) 26. f7 {Threatening mate with Qh6+.} Bxf2+ 27. Kxf2 {White threatens Qh6+ and mate.} Qxf7+ 28. Qxf7+ ({Stronger than} 28. Kxg2 Rd2+ 29. Qe2 Rxe2+ 30. Rxe2 Kg8 $15) 28... Kxf7 29. Kxg2 {[%mdl 4096] Endgame KRB-KR} ({Weaker is} 29. Bc1 Bc6 $18) 29... Rd2+ 30. Kf3 Rxb2 {KR-KR} 31. Re2 Rb1 32. Kg4 a5 $2 (32... Kf6 33. Rd2 Ra1 34. Rd6+ Ke5 35. Rxb6 Rxa2 36. Kxg5 Rxh2 37. Rxa6 Kd4) 33. Kxg5 {White is clearly winning.} a4 34. bxa4 Rb4 35. a5 bxa5 36. Rc2 Ke6 (36... Rb6 $142 37. Kf5 Ke7) 37. c5 Rb7 38. c6 Rc7 39. Kh6 Kd5 40. g4 a4 41. g5 {Accuracy: White = 79%, Black = 30%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.7"]
[White "Suarez, Pedro"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "1950"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,62,9,16,6,16,-25,-13,-32,0,-8,-4,-7,0,0,2,0,-1,-4,-11,-18,-15,-17,-5,-20,-10,-12,-10,-17,0,0,0,0,6,0,18,19,45,45,45,45,44,44,36,43,38,33,15]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Nbxd2 d6 8. O-O e5 9. e4 a5 10. h3 {E11: Bogo-Indian} Bd7 (10... Nc6 11. d5 Nb8 12. Ne1 Na6 13. Nd3 Nc5 14. Nxc5 dxc5 15. f4 Ra6 16. Qf3 Re8 17. Rae1 Nd7 18. Qc3 f6 19. h4 Nf8 {½-½ (57) Socko,B (2623)-Tomczak,J (2554) Poznan 2015}) 11. d5 Na6 12. Ne1 $146 {The position is equal.} ({Predecessor:} 12. b3 h6 13. a3 c6 14. Qe2 cxd5 15. cxd5 b5 16. Rfc1 Rfc8 17. Ne1 Qd8 {0-1 (37) Johansson,E-Borisova,B (2210) Gausdal 1987}) 12... Nc5 13. Qe2 c6 14. Nd3 Nxd3 15. Qxd3 Rfc8 16. Rac1 cxd5 17. cxd5 Qd8 18. Qb3 b5 19. Qe3 Be8 20. f4 Nd7 21. Nf3 f6 22. fxe5 Nxe5 23. Nxe5 fxe5 24. Qf2 {[%csl Gf1][%cal Rf2f8] [#]} Qe7 25. h4 h6 26. Qb6 Rxc1 27. Rxc1 {White is slightly better.} Qa7 28. Qxa7 Rxa7 29. Bh3 Kf8 30. Kf2 Ke7 31. Ke3 b4 {Accuracy: White = 61%, Black = 60%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.8"]
[White "Lopez Azambuja, Nicolas"]
[Black "Barreto, Ignacio C. de Barro"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2320"]
[BlackElo "2212"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,75,56,71,94,56,52,59,65,74,67,72,75,88,108,97,123,125,134,81,131,140,126,136,129,133,139,115,131,129,166,152,153,114,143,124,306,313,393,386,386,386,639,561,29981,29981,29979,29980,29977,29979,29984,29985,29992,29993,29993,29993]} 1. d4 e6 2. Nf3 c5 3. e3 d5 4. c4 dxc4 5. Bxc4 Nf6 6. O-O a6 7. Bb3 Nc6 8. Qe2 cxd4 9. Rd1 Be7 10. exd4 O-O 11. Nc3 Nb4 12. Ne5 Nbd5 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} 13. a3 (13. Qf3 Qd6 14. Bg5 Nxc3 15. bxc3 Qc7 16. c4 Bd7 17. Rac1 Bc6 18. Qe2 Ne8 19. Bxe7 Qxe7 20. Nxc6 bxc6 {1-0 (31) Adly,A (2626)-Yakubboev,N (2556) St Petersburg 2018}) 13... Bd7 14. Rd3 Bb5 {White is slightly better.} 15. Nxb5 axb5 16. Rg3 b4 17. a4 $146 ({Predecessor:} 17. Bh6 Ne8 18. a4 Bh4 19. Rh3 gxh6 20. Bxd5 exd5 {1-0 (45) Villavicencio Martinez,A (2333)-Ortells Perez,V (2119) Santa Cruz de la Palma 2005}) 17... Re8 18. Bh6 Bf8 {[#]} 19. Bg5 $1 Be7 20. h4 (20. Re1 $142) 20... Nd7 {[#]} 21. Bh6 $1 $40 {[%mdl 128] White is out for blood.} g6 22. h5 Nxe5 23. dxe5 (23. Qxe5 $6 Bf6 $11) 23... Bf8 24. Bxf8 Rxf8 25. Qe4 {[%cal Rh5g6]} Kg7 26. Rd1 Ra5 27. Bc2 {[%cal Rh5g6]} Rg8 28. Qg4 {[%cal Rh5g6]} ({But not} 28. hxg6 $6 hxg6 29. Rh3 Rh8 $14) 28... Kf8 $2 (28... Qe8 $16 29. Bb3 Qe7) 29. Rf3 $18 {And now Qxe6 would win.} ({Weaker is} 29. hxg6 hxg6 30. Bb3 Kg7 $16) 29... Ke8 30. Bd3 Qe7 31. Bb5+ Kd8 $2 (31... Rxb5 32. axb5 Qd8) 32. Qc4 {Hoping for Rxd5+.} gxh5 33. Rxd5+ {White mates.} exd5 34. Qxd5+ {[%mdl 64] Double Attack} Kc8 35. Rxf7 Rxb5 36. axb5 (36. Rxe7 $2 {is the wrong capture.} Rxd5 37. Kf1 Rd1+ 38. Ke2 Rb1 $19) 36... Rxg2+ 37. Kxg2 Qg5+ 38. Kf3 {Accuracy: White = 71%, Black = 31%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.9"]
[White "Coro, Lucas"]
[Black "Coppola, Claudio"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "2284"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,27,29,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. O-O Bc5 7. Bxc6 bxc6 8. Nxe5 O-O 9. Nc3 d6 {C63: Ruy Lopez: Schliemann/Jaenisch Defence} 10. Nd3 Bd4 11. Nb4 $146 ({Predecessor:} 11. Ne2 Bb6 12. Ng3 Ng4 13. h3 Qh4 14. Nf5 Bxf5 15. exf5 Nxf2 16. Nxf2 Rxf5 17. Qe2 {1-0 (34) Najer,E (2653)-Salem,A (2581) Dubai 2014}) 11... Bc5 12. Nd3 Bd4 13. Nb4 Bc5 14. Nd3 {LiveBook: 19 Games} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.10"]
[White "Carbone, Diego"]
[Black "Larrea, Manuel"]
[Result "1/2-1/2"]
[ECO "E63"]
[WhiteElo "2256"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,57,34,35,31,31,48,51,44,47,43,41,54,50,62,58,54,56,63,70,126,116,117,116,203,200,173,194,198,189,207,170,154,156,204,186,196,174,181,81,77,75,79,72]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O a6 8. b3 Rb8 9. d5 Na5 {E63: King's Indian: Fianchetto: Panno Variation with 7...a6} 10. Bg5 c5 11. dxc6 $1 Nxc6 {White is slightly better.} 12. Rc1 h6 13. Bd2 {[#]} b6 $146 ({Predecessor:} 13... Be6 14. Ne1 Qd7 15. Nd5 h5 16. Bc3 Bh3 17. Nxf6+ Bxf6 18. Bxf6 exf6 19. Bxh3 Qxh3 {1-0 (66) Cordova,E (2595)-Cuenca Jimenez,J (2513) Merida 2018}) 14. Nd5 {[%cal Bc3d5,Bd5b4,Bb4c6][%mdl 32]} Ne4 15. Nd4 Nxd4 16. Bxe4 e6 17. Nb4 Qc7 {[#]} (17... a5 $14) 18. e3 $1 $16 {[%cal Re3d4]} Nf5 19. Nc6 Bb7 (19... Rb7 $16) 20. Nxb8 $18 Bxe4 21. Nxa6 Qb7 22. f3 Bd3 23. Re1 {[#] Nb4 is the strong threat.} Qxa6 24. Bc3 Bxc4 25. Bxg7 Kxg7 26. bxc4 {Hoping for e4.} Qa3 27. e4 (27. Qe2 $18 {and White stays clearly on top.}) 27... Qc5+ $16 28. Kh1 Nd4 29. Rc3 {Accuracy: White = 69%, Black = 43%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.11"]
[White "Salinas Herrera, Pablo"]
[Black "Curi, Gabriel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2477"]
[BlackElo "2159"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,53,-4,0,0,0,-31,8,0,0,-26,-27,-31,-26,-27,-26,-16,-25,-27,111,124,252,277,261,264,795,795,787,696,758,742,537,364,366,351,369,367,365,349,1640,508]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 e6 6. c3 Bd6 7. Bg3 O-O 8. Bd3 b6 9. e4 {Hoping for e5. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (9. Qe2 Bb7 10. Rd1 Re8 11. e4 Be7 12. e5 Nh5 13. h4 cxd4 14. Nxd4 Nxg3 15. fxg3 Bc5 16. N2f3 f5 {½-½ (45) Esipenko,A (2593)-Karjakin,S (2753) St Petersburg 2018}) 9... Be7 10. e5 Nd7 11. a3 {The position is equal.} a5 12. Qb1 $146 ({Predecessor:} 12. Qe2 Bb7 13. h4 h6 14. Bf4 Re8 15. g4 Nf8 16. h5 Nh7 {1-0 (85) Harika,D (2494)-Szczepkowska,K (2408) Wroclaw 2018}) 12... h6 13. h4 cxd4 14. cxd4 Ba6 15. Bxa6 Rxa6 16. Bf4 f6 {[#]} (16... b5 $11) 17. Bxh6 $1 $16 {[%mdl 512]} fxe5 (17... Qe8 $16 {was necessary.}) (17... gxh6 18. Qg6+) 18. Qg6 $1 $18 {[%csl Gh6,LRe6,LRg7][%cal Rg6g7][%mdl 64] Double Attack} Rf7 {[#]} 19. Bxg7 $1 {[%mdl 512]} Nf8 $2 (19... Rxg7 20. Qxe6+ {[%mdl 64] Double Attack} Kh8) 20. Bxf8+ $1 Kxf8 21. Ng5 Bxg5 22. hxg5 Ke7 23. Rh7 Rxh7 24. Qxh7+ Kd6 25. dxe5+ Nxe5 26. f4 Nc6 $2 {[#]} (26... Nd7 27. Rd1 Ra8) 27. Ne4+ $1 {[%mdl 512] Accuracy: White = 59%, Black = 27%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.12"]
[White "Sarquis, Maria Belen"]
[Black "Gemy, Jose Daniel"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2164"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,116,20,16,14,18,18,22,19,25,20,29,9,13,25,36,26,69,62,85,64,62,51,67,-2,70,6,8,8,12,-14,-11,-8,46,0,43,39,52,47,42,39,47,41,39,30,57,57,33,24,12,10,10,14,51,51,51,25,51,46,51,0,0,0,0,0,0,0,5,6,10,8,9,0,0,0,0,0,0,0,0,0,0,0,16,19,52,-7,0,0,0,0,0,0,0,0,0,-1824,-1738,-1422,-1479,-29979,-29980,-29988,-29989,-29988,-29980]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. a4 O-O 7. O-O d6 8. h3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (8. Bg5 h6 9. Bh4 g5 10. Bg3 Ba7 11. Nbd2 Nh7 12. h3 h5 13. d4 h4 14. Bh2 g4 15. hxg4 Bxg4 16. dxe5 dxe5 {1-0 (45) Duda,J (2738)-Kramnik,V (2777) Wijk aan Zee 2019}) 8... h6 9. Re1 Ba7 10. Nbd2 {The position is equal.} Ne7 11. Nf1 Ng6 12. Ng3 c6 13. Bb3 Be6 14. Bc2 b5 $146 ({Predecessor:} 14... Qc7 15. d4 Rad8 16. Be3 b6 17. Qc1 Kh7 18. Nf5 Bxf5 19. exf5 {½-½ (28) Admiraal,M (2446)-Beukema,J (2273) Wachtebeke 2018}) 15. d4 Qc7 16. Be3 c5 17. d5 Bd7 18. Nh2 (18. Qd2 $14) 18... Kh7 (18... c4 $11) 19. Nh5 (19. Ng4 $14 Nxg4 20. hxg4) 19... Nxh5 $11 20. Qxh5 c4 21. Ng4 (21. Bd2 {keeps more tension.} Rfb8 22. Ng4 Bc5 23. a5 b4 24. g3) 21... Bxg4 22. Qxg4 Qe7 (22... Bxe3 $11 23. Rxe3 Rfb8) 23. g3 Rfb8 24. Bd2 Bc5 25. Qe2 Nf8 {[%cal Bg6f8,Bf8d7,Bd7b6,Bb6c4,Bc4a3][%mdl 32]} 26. Reb1 Nd7 27. b3 cxb3 28. Bxb3 b4 29. Bc4 {[%cal Rc3b4]} bxc3 30. Bxc3 (30. Rxb8 {is interesting.} Rxb8 31. Bxc3 Bb4 32. Bxb4 Rxb4 33. a5) 30... Rxb1+ 31. Rxb1 Nb6 32. Bb3 a5 33. Bc2 Qc7 34. Be1 Qd7 35. Qg4 Qc7 36. Rb5 ({White should play} 36. Bd1 $14) 36... Nc4 37. Bd3 Na3 38. Rb3 Bb4 $1 39. Qd1 Qc5 40. Kg2 Qd4 41. Qe2 g6 42. h4 Kg7 43. Bd2 Bxd2 44. Qxd2 Nc4 $1 {[%cal Rc4d2]} 45. Qc3 Rc8 46. Qxd4 exd4 {[%mdl 4096] Endgame KRB-KRN} 47. f4 Ne3+ 48. Kf3 f5 49. Rb5 (49. exf5 $14 gxf5 50. Rb7+ Kf8 51. Ke2) 49... Rc3 50. Ke2 {[#] Hoping for e5.} fxe4 51. Bxe4 Ra3 52. Rxa5 Nc4 53. Ra7+ Kf6 54. g4 $2 {[%mdl 8192]} (54. Rc7 $11 Re3+ 55. Kf2) 54... Re3+ $19 {[%mdl 64] [#] Double Attack} 55. Kf2 Rxe4 56. Rc7 d3 {Black mates.} 57. Kf3 Re3+ 58. Kf2 d2 {Accuracy: White = 45%, Black = 67%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.13"]
[White "Lujan, Carolina"]
[Black "Arcos Facio, Mateo"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2357"]
[BlackElo "2107"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,95,12,16,3,0,0,20,15,16,5,8,0,12,0,0,0,0,0,1,14,25,1,6,5,71,76,114,114,114,110,108,107,143,137,137,143,150,143,147,151,156,147,165,163,231,239,283,227,302,229,315,240,348,332,333,277,277,277,277,277,277,277,426,427,414,400,624,629,639,629,1067,1130,985,784,1508,1416]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 O-O 6. Bb3 h6 7. h3 d6 8. c3 a6 9. Re1 Re8 10. Nbd2 Be6 11. Bc2 Ba7 12. Nf1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} d5 13. exd5 Bxd5 14. Ng3 {The position is equal.} Qd7 (14... Bc5 15. b4 Bf8 16. a4 b5 17. Bd2 Qd7 18. axb5 axb5 19. Rxa8 Rxa8 20. Nxe5 Nxe5 21. Rxe5 {1-0 (59) Amin,B (2710)-Fedoseev,V (2719) St Petersburg 2018}) 15. Be3 Bxe3 16. Rxe3 Rad8 17. Qe2 {[%cal Rf3e5] [#]} g6 $146 ({Predecessor:} 17... Bxf3 18. Qxf3 Nd5 19. Ree1 Re6 20. Rad1 {½-½ (60) Degraeve,J (2573)-Votava,J (2561) Germany 2009}) 18. Nxe5 Nxe5 19. Rxe5 Rxe5 20. Qxe5 Qc6 $1 21. Ne4 Bxe4 22. dxe4 Rd2 (22... Re8 $1 $11 {keeps the balance.} 23. Qf4 Nxe4) 23. Rc1 Nh5 {[#] Strongly threatening ...Qb6.} 24. Bb3 Qf6 25. Qxf6 Nxf6 $16 {[%mdl 4096] Endgame KRB-KRN} 26. Bc2 Re2 27. Kf1 Rd2 28. Ke1 Rd7 29. Rd1 Re7 30. f3 g5 31. Kf2 Re5 32. g3 a5 (32... Re6 $142 33. Ke3 Re7) 33. f4 $18 Rb5 34. b3 Rc5 35. c4 gxf4 36. gxf4 b5 (36... Kf8 $142 37. e5 Nh5) 37. e5 Nh5 38. Rd4 bxc4 39. bxc4 Kf8 40. Bd3 Ke7 41. Ke3 Ke6 (41... Ng7 {was called for.} 42. Rd5 Rxd5 43. cxd5 Nh5) 42. Be2 Ng7 43. Bg4+ Ke7 (43... f5 $142 44. Bd1 Rc6) 44. Rd7+ {White is clearly winning.} Ke8 45. Kd4 h5 46. Kxc5 hxg4 47. Rd3 Ne6+ 48. Kc6 {Accuracy: White = 79%, Black = 31%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.14"]
[White "Pichuaga, Juan Pablo"]
[Black "De Dovitiis, Alejo"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2027"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,98,18,17,20,11,8,2,4,25,27,34,24,29,18,8,11,10,0,23,20,40,26,29,0,0,0,19,0,0,0,0,0,0,-20,-18,-21,-18,-25,-21,-33,0,0,0,-30,-2,-1,-7,-36,-36,-35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 b6 5. Be2 Bb7 6. O-O {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} Be7 7. h3 O-O 8. Nbd2 cxd4 (8... d6 9. Bh2 Nbd7 10. a4 a6 11. c3 cxd4 12. exd4 Nd5 13. Qb3 {½-½ (102) Laznicka,V (2647)-Kryvoruchko,Y (2689) Riadh 2017}) 9. exd4 d6 10. Re1 Na6 $146 ({Predecessor:} 10... Re8 11. c3 Nbd7 12. a4 Qc7 13. Bb5 {0-1 (29) Gostelow,D (1970)-Juciute,E (1884) Douglas 2016}) 11. a3 Nc7 12. Bh2 Qd7 13. Bd3 Rac8 14. Qe2 Rfe8 15. c3 Bf8 16. Ne4 Nxe4 17. Bxe4 Ba6 18. Bd3 Bxd3 19. Qxd3 h6 20. Re2 Qc6 21. Rd1 Nd5 {[%cal Bc7d5,Bd5b6,Bb6c4][%mdl 32]} 22. Ne1 b5 23. Nc2 a5 24. Ne3 Nb6 25. d5 exd5 26. Nf5 Qc4 27. Rxe8 Rxe8 28. Qd4 (28. Qb1 {keeps more tension.} Qc6 29. Nd4 Qd7 30. Bf4 Nc4 31. Bc1) 28... Qxd4 29. Nxd4 Nc4 30. b4 $1 {The position is equal.} Nxa3 31. bxa5 {Hoping for Ra1.} Ra8 32. Nf5 g6 33. Nxd6 Rxa5 34. Rxd5 Nc4 {[#] ( -> ...Ra1+)} 35. Bg3 Bxd6 36. Bxd6 $11 {[%mdl 4096] Endgame KRB-KRN} Ra1+ 37. Kh2 Nxd6 38. Rxd6 {KR-KR} Ra2 39. f3 Ra3 40. Rd5 Rb3 41. Rc5 h5 42. Kg3 Rb2 43. h4 Kg7 44. Rc6 Kf8 45. Rc7 Kg7 46. Rc6 Rc2 47. Rb6 Rxc3 48. Rxb5 Rc2 49. Rb6 Ra2 {Accuracy: White = 66%, Black = 76%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.15"]
[White "Durante, Aurelio"]
[Black "Zapata Charles, Santiago"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1941"]
[BlackElo "2300"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,64,9,0,29,3,0,-27,-12,-33,0,-36,-24,-27,13,5,12,19,13,4,18,6,40,27,45,43,69,-65,-66,-118,-89,-148,-149,-138,-127,-137,-70,-66,-74,-175,-132,-118,-126,-125,-129,-291,-270,-526,-245,-374,-158,-797,-764,-744,-734]} 1. e4 e6 2. d3 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. Re1 O-O {A04: Unusual lines after 1 Nf3 and King's Indian Attack} (7... e5 8. a3 O-O 9. b4 b6 10. c3 d6 11. Nbd2 Be6 12. Ng5 Bd7 13. Nc4 h6 14. Nf3 Be6 15. Bd2 {1-0 (40) Grischuk,A (2777)-Najer,E (2646) Moscow 2014}) 8. Nc3 d5 9. e5 h6 {Black has an edge.} 10. h4 f6 $146 ({Predecessor:} 10... a6 11. Bf4 b5 12. Qd2 Kh7 13. b3 Bb7 14. a4 b4 15. Nd1 a5 {1-0 (55) Galmandakh,B (2230)-Khatanbaatar,B (2358) Arvaikheer 2012}) 11. Bf4 (11. exf6 {with more complications.} Rxf6 12. Bf4 Rf7 13. Qd2 Nf5 14. Be5) 11... fxe5 12. Nxe5 Nxe5 13. Bxe5 Bxe5 14. Rxe5 Nc6 15. Re1 Qf6 16. Qd2 Kg7 17. Nb5 Qxb2 18. Rab1 Qf6 $1 19. Nd6 (19. c4 $1 $14) 19... b6 $15 20. c4 ({Better is} 20. Nxc8 $15 Raxc8 21. Re3) 20... Bd7 21. cxd5 (21. Nb5 $142) 21... exd5 $17 22. Nb5 Rad8 23. Bxd5 Ne5 (23... Bf5 $17 24. Bxc6 Bxd3) 24. f4 $15 Ng4 25. Be4 (25. Nc7 $17) 25... Bxb5 26. Rxb5 Qd4+ 27. Kg2 Rfe8 $36 {[%mdl 2048] Black has strong initiative.} 28. Bf3 $2 (28. Qb2 $17 {is a better defense.}) 28... Ne3+ $19 29. Kh2 $2 {[#]} (29. Kh1) 29... Qxd3 (29... Nc4 $142 $1 {[%mdl 512]} 30. Qg2 (30. dxc4 Qxd2+) 30... Rxe1 31. dxc4 Qxc4) 30. Qb2+ (30. Qxd3 $142 Rxd3 31. Kh3) 30... Qd4 (30... Kf7 $19 {has better winning chances.} 31. Rb3 Nf1+ 32. Rxf1 Qxf1) 31. Kg1 $2 (31. Qxd4+ $17 Rxd4 32. Kg1) 31... Nc2+ 32. Qxd4+ Nxd4 {Accuracy: White = 22%, Black = 32%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.16"]
[White "Torella, Rodolfo"]
[Black "Hernandez Amura, Gilberto"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2022"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,30,27,30,18,35,-15,-10,-63,-53,-83,-94,-212,-230,-337,-360,-352,-358,-357,-359,-365,-352,-348,-349]} 1. e4 e6 2. Qe2 Nc6 3. Nf3 e5 4. c3 d6 5. d4 Be7 (5... g6 6. Bg5 Be7 7. Be3 Bf6 8. h3 Bg7 9. Qc2 Nf6 10. Nbd2 O-O 11. Bb5 Bd7 12. Bxc6 exd4 13. cxd4 Bxc6 {1-0 (24) Yakubboev,N (2556)-Antipov,M (2589) St Petersburg 2018}) 6. h3 {C00: French: Unusual White 2nd moves} Nf6 7. Nbd2 O-O 8. g3 $146 (8. Qd1 $11) ({Predecessor:} 8. Qd1 exd4 9. cxd4 d5 10. e5 Ne4 11. Bd3 f5 12. O-O {0-1 (80) Agrest,S (2276)-Andersson,C (2139) Helsingor 2007}) 8... exd4 $15 9. cxd4 Nb4 {aiming for ...Nc2+.} 10. Qd1 {[#]} (10. Nb3 $17 {was the only defense.}) 10... d5 $1 $19 11. e5 {[#]} (11. a3 {was worth a try.} dxe4 12. axb4 exf3 13. Nxf3) 11... Bf5 $1 {Threatens to win with ...Nc2+.} 12. Bb5 Nc2+ {[%mdl 64] Double Attack} 13. Kf1 Nxa1 14. exf6 Bxf6 15. Ba4 c6 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.17"]
[White "Fiora, Emilio"]
[Black "Dotta, Gian Franco"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2190"]
[BlackElo "1896"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,57,48,26,52,9,21,11,14,11,14,16,10,6,0,-22,0,-19,-16,-24,127,126,137,144,195,182,283,280,315,305,339,289,458,467,447,239,504,510,542,515,554,560,633,626,622,635]} 1. Nf3 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Be3 O-O 6. h3 c6 7. Qd2 Re8 {B08: Pirc Defence: Classical System} (7... Nbd7 8. e5 dxe5 9. dxe5 Nd5 10. Nxd5 cxd5 11. Bh6 Nxe5 12. Nxe5 Bxe5 13. Bxf8 Kxf8 14. c3 Be6 15. Be2 Qb6 {1-0 (36) Saric,I (2669)-Mchedlishvili,M (2603) Riadh 2017}) 8. Bd3 {LiveBook: 4 Games} Qa5 9. Rb1 $146 ({Predecessor:} 9. O-O Nbd7 10. Bh6 Bh8 11. Ng5 Qb4 12. b3 e6 13. Bc4 d5 14. a3 Qb6 15. exd5 cxd5 {1-0 (47) Bukojemski,A (2206)-Szczesniak,K (2230) Miedzyzdroje 2009}) 9... Nbd7 {The position is equal.} 10. b4 Qc7 11. a4 e5 12. dxe5 Nxe5 13. Nxe5 dxe5 14. Bc4 Nh5 15. g3 Rd8 16. Qe2 Nf4 $2 {[#]} (16... a5 $11) 17. gxf4 $16 exf4 18. Bd2 Qe5 (18... a5 $16) 19. Nd1 f3 (19... b5 {was worth a try.}) 20. Qxf3 $18 Bf5 21. Bd3 Rd4 22. Bc3 Rad8 (22... Bxe4 {was necessary.} 23. Bxd4 Bxf3+ 24. Bxe5 Bxh1) 23. Bxd4 Rxd4 24. Rb3 (24. O-O $142 Be6 25. Ne3) 24... Bxe4 $2 {[#]} (24... Rxe4+ 25. Ne3 (25. Bxe4 Bxe4 26. Qg3 Qxg3 $16) 25... Rf4) 25. Bxe4 {White is clearly winning.} f5 26. O-O fxe4 27. Qg3 Qh5 28. Ne3 Bf8 29. Qg4 {Precision: White = 34%, Black = 12%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.18"]
[White "Scarella, Enrique Alejandro"]
[Black "Vazquez, Facundo"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2304"]
[BlackElo "2019"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,109,35,31,27,56,65,56,62,69,67,72,71,68,63,93,68,92,62,68,60,59,44,30,31,64,77,97,90,81,93,95,84,129,121,121,122,137,133,139,138,139,103,103,93,93,93,93,93,93,70,93,61,93,75,78,83,66,54,56,56,58,44,51,48,78,19,42,32,52,29,64,33,84,87,96,82,106,120,111,108,305,305,391,362,516,519,512,490,420,213,602,583]} 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Nc3 Nbd7 6. Nge2 O-O 7. h3 e5 8. Be3 c6 9. a4 a5 10. O-O Re8 11. d5 {B07: Pirc Defence: Miscellaneous Systems} (11. Re1 Qc7 12. Qd2 Nb6 13. b3 d5 14. exd5 Nfxd5 15. Nxd5 Nxd5 16. Bh6 Bxh6 17. Qxh6 Nb4 18. Qd2 Bf5 19. Rac1 exd4 20. Nxd4 Rxe1+ 21. Qxe1 {½-½ (78) Khusnutdinov,R (2506)-Guseinov,G (2667) Kolkata 2009}) 11... cxd5 $146 ({Predecessor:} 11... c5 12. Nb5 Nb8 13. Nec3 Na6 14. Na3 b6 15. Nc4 Rb8 16. f4 Nh5 17. fxe5 dxe5 18. Qf3 f5 19. exf5 e4 20. Qf2 gxf5 21. Nxe4 Kh8 22. Ned6 Rf8 23. Nxc8 Rxc8 24. c3 {1-0 (24) Bates,R (2347)-Norton,C (2033) Hastings 2016}) 12. Nxd5 Nxd5 13. Qxd5 {White is slightly better.} Nf6 14. Qd2 Be6 15. Rfd1 Qc8 16. Kh2 Bf8 17. Nc3 Qc6 18. Bg5 Nd7 19. Bf1 Rec8 20. Rac1 Nb6 21. Bb5 Qc7 22. Qe2 Nc4 23. Nd5 $36 {[%mdl 2048] Keeping Black busy.} Bxd5 24. Rxd5 h6 25. Be3 Nb6 {[#]} 26. Rd3 $1 Nd7 27. b3 Nc5 28. Bxc5 Qxc5 29. Bc4 Be7 30. Rf3 Rf8 31. Rd1 Kg7 32. Kg2 Rac8 33. h4 h5 34. Rd2 Rcd8 35. Qd3 (35. Rd5 {keeps more tension.} Qc7 36. Rfd3 b6 37. Qe3 Bf6 38. Rd1) 35... Rb8 36. Qd5 Qxd5 37. Rxd5 b6 38. c3 f6 39. Rb5 Rfc8 40. Rd3 Rc5 41. Rd5 f5 42. Kf3 (42. Rdxc5 $16 dxc5 43. exf5) 42... Kf6 43. Ke3 Bf8 44. f3 Bh6+ 45. Kd3 Ke7 (45... Bf8 $14) 46. Rdxc5 $16 dxc5 {[%mdl 4096] Endgame KRB-KRB} 47. Bd5 Bc1 48. b4 cxb4 49. cxb4 axb4 $2 {[#]} (49... fxe4+ $16 {was necessary.} 50. fxe4 (50. Bxe4 Rd8+ 51. Kc2 Bd2 $16) 50... Rf8) 50. a5 $1 $18 {[%cal Ra5a6,Ba4a5,Ba5b6,Bb6b7][%mdl 32] aiming for a6.} ({Weaker is} 50. Rxb4 fxe4+ 51. fxe4 (51. Kxe4 Bd2 $14) 51... Ba3 $14) 50... Rc8 51. axb6 f4 (51... fxe4+ $142 52. Bxe4 Rd8+ 53. Kc4 Be3) 52. b7 Rb8 53. gxf4 Bxf4 54. Rc5 (54. Rb6 $142) 54... Kd7 $2 {[#]} (54... Kd8 55. Rc2 g5) 55. Rc8 $1 {[%mdl 512] Accuracy: White = 62%, Black = 33%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.19"]
[White "Meza, Anahi"]
[Black "El Ters, Antouan"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2058"]
[BlackElo "2205"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,99,39,12,37,24,29,0,-1,-3,0,-11,0,0,9,-2,56,35,63,62,70,66,78,58,73,11,16,6,10,0,23,-7,-7,-7,-7,-7,-7,-6,-5,-24,-18,-56,396,411,467,457,466,467,429,285,277,195,195,190,190,162,165,150,264,268,260,237,245,252,411,391,545,419,583,539,538,532,522,522,503,493,2083,5610,4614,2127,29972,29973,29975,29976,29975,29976]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 Nf8 8. Qc2 c6 9. Nge2 (9. Nf3 {is more complex.} g6 10. O-O Ne6 11. Bh4 O-O 12. Rfb1) 9... h6 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} (9... Ne6 {keeps more tension.} 10. Bh4 g6 11. O-O O-O 12. Rae1 Nh5) (9... Ne6 10. Bh4 g6 11. f3 O-O 12. O-O-O b6 13. g4 Bb7 14. Kb1 Rc8 15. Bxf6 Bxf6 16. h4 c5 17. h5 Qe7 18. f4 Rfe8 19. hxg6 fxg6 {1-0 (33) Wojtaszek,R (2738)-Yilmaz,M (2619) Batumi 2018}) 10. Bxf6 $146 ({Predecessor:} 10. Bh4 Ne6 11. f3 O-O 12. Bf2 c5 13. dxc5 Bxc5 14. Rd1 Kh8 15. O-O Bd7 16. Bf5 Rc8 17. Qb3 {1-0 (27) Plat,V (2496)-Federic,J (2306) Frydek Mistek 2016}) 10... Bxf6 11. O-O-O Ne6 {The position is equal.} 12. g4 Nc7 13. Rdg1 Bh4 14. Nf4 Be6 15. Nh5 g6 (15... O-O $11) 16. Ng7+ $14 Kd7 17. Kb1 Qf6 18. Nxe6 Qxe6 19. e4 Rae8 20. f4 (20. Qa4 $16) 20... dxe4 $1 $11 21. Nxe4 {[#] Strongly threatening Nc5+.} Kc8 $1 22. f5 Qd5 23. Nc3 Qxd4 24. fxg6 fxg6 25. Bxg6 Re3 26. Rd1 $36 {[%mdl 2048] White has the initiative.} Qe5 27. Ne4 {Nd6+ is the strong threat.} Nd5 28. Rhf1 Ne7 $2 {[%mdl 8192]} (28... Rd8 $15 {keeps the upper hand.}) 29. Nd6+ $18 Kb8 30. Nf7 Qg7 31. Nxh8 Qxh8 32. Qc5 Qe5 33. Qxe5+ Rxe5 34. Bd3 a5 35. Rd2 Re3 36. Bc4 b5 (36... Re4 $16) 37. Re2 Rh3 38. Bb3 a4 39. Bc2 a3 $2 (39... Kc7 40. Rf7 Kd6) 40. Rf7 axb2 41. Kxb2 Kc8 42. Rexe7 Bxe7 43. Rxe7 Rxh2 {[%mdl 4096] Endgame KRB-KR} 44. Rh7 Rh4 45. Bf5+ Kb8 (45... Kd8 $142 46. Rd7+ Ke8) 46. Kc3 c5 47. Kd3 Rh2 {[#]} 48. g5 $1 {White mates.} c4+ (48... hxg5 49. Rxh2) 49. Kc3 Rh5 50. g6 {Accuracy: White = 62%, Black = 39%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.20"]
[White "Lagar, Valentin Alejo"]
[Black "Muzzi, Eduardo"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2196"]
[BlackElo "1954"]
[Annotator "NA RC"]
[PlyCount "53"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf4 Nd7 11. Ne2 Nf6 12. Nf3 Bd6 13. O-O O-O 14. Bf4 Bxf4 15. Nxf4 Qd6 16. g3 Ne4 {LiveBook: 4 Games C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} (16... Qb4 17. Rb1 Kh8 18. a3 Qb6 19. Ng5 e5 20. Nxh7 Nxh7 21. Qh5 e4 22. Ng6+ Kg8 23. Qxd5+ Rf7 24. Bc4 {1-0 (30) Navara,D (2727)-Piesik,P (2353) Poland 2018}) 17. Bxe4 dxe4 18. Ng5 Rxf4 $146 ({Predecessor:} 18... h6 19. Nxe4 Qxd4 20. Qxd4 Nxd4 21. Ng6 Rf7 22. Rad1 Nc6 23. f4 b6 24. Rd6 {1-0 (83) Ozsakallioglu,O (1897)-Aydin,K (1910) Konya 2018}) 19. gxf4 Qxf4 20. Qh5 h6 21. Qe8+ Qf8 22. Qxf8+ Kxf8 23. Nxe4 Nxd4 {[#]} 24. f4 $1 b6 25. Rad1 Nf5 (25... Nb5 $142 26. Rd8+ Ke7) 26. Rd8+ Kf7 $2 (26... Ke7) 27. Rc1 $18 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.20"]
[White "Lagar, Valentin Alejo"]
[Black "Muzzi, Eduardo"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2196"]
[BlackElo "1954"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,49,60,67,84,-10,-11,-14,74,84,196,195,195,196,189,198,192,197,214,206,236,236,335,353,651,641]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. O-O O-O 12. Bf4 Bxf4 13. Nxf4 Qd6 14. g3 Ne4 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} (14... Qb4 15. Rb1 Kh8 16. a3 Qb6 17. Ng5 e5 18. Nxh7 Nxh7 19. Qh5 e4 20. Ng6+ Kg8 21. Qxd5+ Rf7 22. Bc4 {1-0 (30) Navara,D (2727)-Piesik,P (2353) Poland 2018}) 15. Bxe4 (15. Re1 $16) 15... dxe4 $11 16. Ng5 Rxf4 $146 (16... Nxd4 $11 {keeps the balance.} 17. Ne2 (17. Nxe4 Qb6 $15) 17... e5 18. Nxd4 exd4 19. Qb3+ (19. Nxe4 Qd5 $11) 19... Kh8 20. Nxe4 Qe7) ({Predecessor:} 16... h6 17. Nxe4 Qxd4 18. Qxd4 Nxd4 19. Ng6 Rf7 20. Rad1 Nc6 21. f4 b6 22. Rd6 {1-0 (83) Ozsakallioglu,O (1897)-Aydin,K (1910) Konya 2018}) 17. gxf4 $16 {aiming for Qh5.} Qxf4 (17... h6 $16 {was called for.}) 18. Qh5 $18 h6 19. Qe8+ $40 {[%mdl 192] [#] Double Attack. White wants a kill.} Qf8 20. Qxf8+ Kxf8 21. Nxe4 Nxd4 22. f4 b6 23. Rad1 Nf5 (23... Nb5 $142 24. Rd8+ Ke7) 24. Rd8+ Kf7 $2 {[#]} (24... Ke7) 25. Rc1 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.21"]
[White "Siddeley, Hugh"]
[Black "Benoit, Rodrigo"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "1968"]
[BlackElo "2189"]
[Annotator "NA RC"]
[PlyCount "92"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh3 Nf6 5. O-O O-O 6. c4 e6 {A86: Dutch Defence: Leningrad System: Unusual lines and 5 Nh3} 7. d5 (7. Nc3 d6 8. Nf4 c6 9. Nd3 Nbd7 10. b3 e5 11. dxe5 dxe5 12. e4 fxe4 13. Nxe4 Nxe4 14. Bxe4 Nf6 15. Bg5 Qd4 16. Bxf6 Rxf6 {½-½ (33) Lenic,L (2625)-L'Ami,E (2623) Reykjavik 2015}) 7... Qe7 8. Nc3 e5 9. Qc2 $146 ({Predecessor:} 9. d6 Qxd6 10. Qxd6 cxd6 11. Nb5 Nc6 12. Rd1 e4 13. Nxd6 Ne8 14. Nxc8 Rxc8 15. Rxd7 {½-½ (35) Mason,I-Bogdanov,R ICCF email 1997}) 9... h6 10. Rb1 d6 11. f3 c6 12. Nf2 c5 13. b4 cxb4 14. Rxb4 Na6 15. Rb5 Nc5 16. Ba3 b6 17. Bxc5 bxc5 18. e4 h5 19. Re1 h4 ({Don't play} 19... Ba6 $6 20. Rbb1 $11) 20. Bh3 Nh5 21. Nh1 (21. g4 $11 Nf4 22. gxf5) 21... Bh6 22. Rb2 Kh8 23. Bf1 Rf7 24. Bd3 Qf8 25. Qe2 $17 Bd7 26. exf5 gxf5 27. f4 Nf6 28. fxe5 dxe5 29. Qf1 e4 30. Bb1 Ng4 31. Rbe2 Ne5 32. Rf2 e3 33. Rf4 Bxf4 34. Qxf4 Ng6 35. Qg5 Qg7 36. Rxe3 Qf6 37. gxh4 Nxh4 38. Qf4 Rg7+ 39. Ng3 Rg4 40. Qf2 Rb8 41. Qc2 Qd4 42. Kf2 Qf4+ 43. Ke2 Qxc4+ 44. Kf2 Rf4+ 45. Kg1 Qd4 46. Nd1 Ba4 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.22"]
[White "Escofet, Jaime"]
[Black "Hurtado Bahamonde, Rodrigo"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1957"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "178"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,178,-30,-45,-53,-55,-47,-27,-18,-6,-12,-2,0,43,-15,-3,-3,-4,-20,-17,-15,0,-31,-16,-27,0,0,8,7,23,16,9,4,0,0,33,0,0,-20,0,-7,-9,-43,-30,-32,-30,-34,-30,-28,-28,-41,-50,-50,-50,-39,-40,-50,-43,-50,-12,-27,-20,-50,-50,-123,-50,-50,-50,-149,-25,-27,0,-127,-50,-50,-50,-80,-58,-58,-58,-339,-58,-58,0,-330,-59,-59,-59,-59,-27,-27,-27,-27,-27,-27,0,-27,-10,-27,11,-27,0,-27,-25,-25,-25,-25,-25,-25,-25,-25,-25,-25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-60,0,0,0,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 O-O 6. Bd3 c5 7. c3 Nc6 {[%cal Bb8c6,Bc6e7,Be7f5][%mdl 32]} 8. Nbd2 b6 9. O-O {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (9. Qe2 Bb7 10. Rd1 Re8 11. e4 Be7 12. e5 Nh5 13. h4 cxd4 14. Nxd4 Nxg3 15. fxg3 Bc5 16. N2f3 f5 {½-½ (45) Esipenko,A (2593)-Karjakin,S (2753) St Petersburg 2018}) 9... Bb7 10. Ne5 Ne7 11. f4 Ne4 {LiveBook: 4 Games} 12. Nxe4 dxe4 13. Be2 Nf5 14. Bf2 f6 $146 ({Predecessor:} 14... cxd4 15. cxd4 Rc8 16. Rc1 f6 17. Rxc8 Qxc8 {½-½ (59) Sorcinelli,A (2106)-Husemann,A (1927) LSS email 2012}) 15. Nc4 Be7 16. g4 Nd6 17. a4 (17. dxc5 $14 bxc5 18. Qa4) 17... Nxc4 18. Bxc4 Bd5 19. Be2 Qc7 20. Bg3 Bd6 21. Kg2 Rad8 22. Rc1 cxd4 23. cxd4 Qb8 24. Bc4 Bxc4 25. Rxc4 b5 26. axb5 Qxb5 27. Qc2 Rb8 28. Rf2 (28. Rc6 $14 Qxb2 29. Rf2 Qxc2 30. Rfxc2) 28... f5 $11 29. Rc6 Qd5 30. gxf5 exf5 31. Qc4 Qxc4 32. Rxc4 Rb3 33. Rc6 Bb4 34. Re2 a5 35. Kf1 Rb8 36. Rcc2 Rb7 37. Be1 Bxe1 38. Kxe1 $15 {[%mdl 4096] Endgame KRR-KRR} g6 39. Kf2 Kf7 40. Kg3 Ke7 41. Kf2 Kd6 42. Red2 (42. h4 $15) 42... R7b6 (42... g5 $1 $17 {[%cal Rg5f4] aiming for ...gxf4.} 43. fxg5 f4 $1 {[%mdl 512]}) 43. Ke2 a4 44. Kf2 {[#]} (44. h4 $1 $15) 44... Ra6 ({Black should try} 44... g5 $1 $17 {[%cal Rg5f4][%mdl 512]} 45. fxg5 f4 $1 {[%mdl 512]}) 45. Re2 Rab6 (45... Rb4 $11) 46. Red2 $17 {[#]} R6b5 (46... g5 $1 $17 {[%cal Rg5f4][%mdl 512]} 47. fxg5 f4 $1 {[%mdl 512]}) 47. Re2 $15 Kd5 48. Red2 Ke6 49. Re2 Kd6 50. Red2 $2 {[%mdl 8192] [#]} ({White should play} 50. h4 $15) 50... Rd3 $2 (50... g5 $1 $19 {[%cal Rg5f4][%mdl 512]} 51. Re2 (51. fxg5 f4) 51... gxf4 52. exf4 Kd5) 51. Re2 Rdb3 $2 {[%mdl 8192]} (51... Rb4 $15) 52. Red2 $1 $19 {[#]} Kd5 $2 (52... g5 $1 $19 {[%cal Rg5f4][%mdl 512]} 53. Ke2 (53. fxg5 f4) 53... gxf4 54. exf4 e3) 53. Re2 $15 R3b4 54. Red2 h6 55. h4 $1 Kd6 56. Kg3 Rb3 57. Re2 Rb8 58. Kf2 (58. h5 $5) 58... R3b4 59. Kg3 R8b5 60. Kf2 Kd5 61. Red2 Rc4 62. Ke2 Rb8 63. Kd1 Rxc2 64. Rxc2 $11 {KR-KR} Rb3 65. Ke2 Kd6 66. Kf2 a3 67. bxa3 Rxa3 68. Rb2 Ra6 69. Rc2 h5 70. Rb2 Kd5 71. Rc2 Ra5 72. Kg2 Ra3 73. Kf2 Ra1 74. Rc5+ Kd6 75. Rb5 Ra2+ 76. Kf1 Rh2 77. Rb6+ Kd5 78. Rxg6 Kc4 79. Ra6 Rxh4 80. Kg2 (80. Ra4+ $11 Kb5 81. Ra7) 80... Rg4+ (80... Kd3 $1 $15 81. Kg3 Rh1) 81. Kf2 {The position is equal.} h4 82. Rh6 Kd5 83. Rf6 h3 84. Rxf5+ Kc4 85. Rh5 Rg2+ 86. Kf1 Rg3 {White must now prevent ...Kd3.} 87. Kf2 Rg2+ 88. Kf1 Rg3 {And now ...Kd3 would win.} 89. Kf2 Rg2+ {Precision: White = 53%, Black = 37%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.23"]
[White "Trois, Francisco R.T."]
[Black "Barandiaran, Gabriel"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2152"]
[BlackElo "1836"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,94,7,24,43,34,35,44,36,32,81,14,93,86,105,97,111,96,110,111,125,112,108,94,106,100,110,94,105,99,86,70,64,53,65,54,74,43,52,10,90,35,246,247,218,238,237,243,227,241,291,297,276,239,360,352,321,318,593,587,556,557,1657,920,685,184,585,576,5156,710,694,694,663,655,585,577,724,704,685,645,568]} 1. Nf3 Nf6 2. c4 d6 3. d4 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. Qc2 exd4 9. Nxd4 Qe7 {E67: King's Indian: Fianchetto: 6...Nbd7} 10. Rd1 Nc5 (10... Re8 11. Bg5 c6 12. Qd2 Qf8 13. Nc2 Nb6 14. Ne3 Ng4 15. b3 Nxe3 16. Bxe3 Bf5 {½-½ (41) Koneru,H (2541)-Sethuraman,S (2665) Caleta 2019}) 11. Bg5 c6 $146 {White is slightly better.} ({Predecessor:} 11... h6 12. Nd5 Qd8 13. Nxf6+ Bxf6 14. Bxh6 Re8 15. Bd5 Ne6 16. Be3 c6 {0-1 (62) Ribeiro,R (2000)-Debowska,T (1708) Tromsoe 2014}) 12. Qd2 Rd8 13. b3 (13. Bxc6 $16 bxc6 14. Nxc6 {[%mdl 64] Double Attack}) 13... Ne6 (13... Qf8 $11 {keeps the balance.}) 14. Nxe6 $16 Qxe6 15. h3 Bf8 16. e4 {e5! is the strong threat.} Be7 17. f4 Ne8 18. Bxe7 Qxe7 19. Re1 f6 20. Rad1 Be6 21. Kh2 Qc7 22. Ne2 {[%cal Bc3e2,Be2d4,Bd4f5][%mdl 32]} Bf7 23. g4 a6 24. Rc1 Qe7 25. Nd4 Ng7 26. Qf2 Ne6 27. h4 h6 (27... Nxd4 $11 {remains equal.} 28. Qxd4 b5) 28. Rcd1 (28. Nf5 $16 Qf8 29. Ng3) 28... Kg7 $2 {[#]} (28... Nxd4 $14 29. Rxd4 (29. Qxd4 b5 $11) 29... b5) 29. Nf5+ $1 $18 {[%mdl 512]} gxf5 30. exf5 {[%mdl 64] Discovered Attack} Qd7 31. fxe6 Bxe6 32. f5 Bf7 33. Qf4 d5 34. cxd5 cxd5 (34... Bxd5 {was necessary.} 35. Re6 Re8) 35. g5 {And now gxf6+ would win.} hxg5 36. hxg5 Rh8+ $2 (36... Qd6 37. Qxd6 Rxd6) 37. Kg1 {White wants to mate with gxf6+.} Qd8 38. g6 Bg8 39. Qb4 {Threatening mate with Re7+.} Rh5 40. Qxb7+ $2 (40. Re7+ Kh8 41. Rxb7) 40... Kh8 $2 (40... Kh6 {is more resistant.}) 41. Rxd5 {White is clearly winning.} Bxd5 42. g7+ (42. Bxd5 $142 Rg5+ 43. Kf2 Rxf5+ 44. Ke3 Qe8+ 45. Kd2 Qxg6 46. Qxa8+ Kh7 47. Be4 {[%mdl 64] Skewer} Qg5+ 48. Kc2) 42... Kh7 {[#]} 43. g8=Q+ $1 {[%mdl 512]} Kxg8 44. Bxd5+ Kh8 45. Qxa8 Rg5+ 46. Kh2 Qxa8 47. Bxa8 Rxf5 {Accuracy: White = 45%, Black = 37%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.24"]
[White "Rodriguez Farias, Eduardo"]
[Black "Granara Barreto, Sebastian"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1935"]
[BlackElo "2134"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,96,59,50,81,79,83,67,87,61,67,39,70,42,41,0,-1,-15,-18,-80,-74,-142,-109,-178,-172,-168,-182,-168,-128,-126,-95,-91,-94,-111,189,204,198,195,200,178,193,184,287,227,235,230,435,257,244,253,254,248,243,0,0,0,0,0,0,-45,-47,-48,-48,-97,-13,-13,-13,-13,-12,-27,-12,-14,-12,-12,0,-7,-7,-7,0,-12,0,-12,0,-8,0,0,0,0,-1]} 1. e4 c6 2. d4 g6 3. Be3 Bg7 4. Nc3 d5 5. e5 Nh6 6. Qd2 Nf5 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} 7. Bf4 h5 8. Nf3 (8. h4 b6 9. Nf3 Ba6 10. Bxa6 Nxa6 11. e6 fxe6 12. Ne5 Bxe5 13. Bxe5 Rg8 14. g4 hxg4 {0-1 (29) Gonzalez de la Torre,S (2459)-Svetushkin,D (2543) Monzon 2016}) 8... a5 {White is slightly better.} 9. Na4 $146 ({Predecessor:} 9. O-O-O Na6 10. Ng5 Nc7 11. Be2 Ne6 12. Nxe6 Bxe6 13. h3 h4 14. g4 hxg3 15. fxg3 {1-0 (52) Boehning,K (2141)-Peters,F (2133) Bremen 2016}) 9... b6 {[%cal Bb7b6,Bb6b5,Bb5b4][%mdl 32]} 10. b3 Na6 11. Be2 b5 12. Nb2 Nc7 13. Nd3 Ne6 14. Qc3 (14. Be3 $11 {keeps the balance.}) 14... Qb6 $36 {[%mdl 2048] Keeping White busy.} 15. Rd1 (15. Be3 $142) 15... b4 16. Qb2 (16. Qd2 $17 {keeps fighting.}) 16... Nfxd4 $19 17. Be3 {[%cal Rf3d4]} Nxf3+ 18. Bxf3 d4 19. Bd2 Bb7 20. O-O O-O 21. a3 {[%cal Ra3b4]} Nc5 $2 {[%mdl 8192]} (21... Ba6 $17 {keeps the pressure on.} 22. Be4 Bxd3 23. Bxd3 Bxe5 24. axb4 axb4) 22. Qxd4 $18 {[%mdl 64] [#] Double Attack} Na4 23. Qxb6 Nxb6 24. axb4 axb4 25. Bxb4 Ra2 (25... Nd5 $142 26. Bd2 Ra2) 26. Bxe7 Re8 27. Nb4 Rb2 $2 (27... Raa8) 28. Rd8 (28. Bc5 $142 Bf8 29. Bd4 (29. Bxb6 Bxb4 30. Be4 Ra2 $18) (29. Bxc6 Bxc6 30. Bxf8 Kxf8 $16)) 28... Rxd8 29. Bxd8 Nd5 {[#]} 30. Bxd5 $1 cxd5 31. f4 $2 ({White should play} 31. Bf6 $18) 31... Bf8 $11 {...Bc5+ is the strong threat.} 32. Nd3 Rxc2 {Hoping for ...Rd2.} 33. Rc1 Bc5+ 34. Kh1 (34. Kf1 $5 {[%cal Rc1c2]} Rxc1+ 35. Nxc1 $11) 34... Rxc1+ 35. Nxc1 $15 {[%mdl 4096] Endgame KBB-KBN} Ba6 36. b4 Bxb4 (36... Be3 $17 37. Nb3 Bc4) 37. Nb3 $1 $11 Bc4 38. Ba5 $1 Ba3 39. Nd2 Bb2 40. g3 {The position is equal.} Be2 41. Kg2 Bd4 42. Nf3 Bc5 43. Bc3 Kf8 44. Nd4 Bd1 45. Kf2 Ke7 46. h3 Kd7 47. Ke1 Bxd4 48. Bxd4 Bc2 {Accuracy: White = 31%, Black = 48%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.25"]
[White "Guerrero, Alvaro"]
[Black "Hart, Alexander"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2096"]
[BlackElo "1881"]
[Annotator "NA RC"]
[PlyCount "54"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Bc4 Nd7 7. O-O {B12: Caro-Kann: Advance Variation} Ngf6 8. c3 Bd6 (8... Qc7 9. Qb3 O-O-O 10. Nbd2 Bd6 11. h3 Bh5 12. Ng5 Rhf8 13. Nxf7 Bxf7 14. Bxf7 exd4 15. cxd4 {½-½ (38) Gagunashvili,M (2588)-Paichadze,L (2554) Tbilisi 2017}) 9. Qb3 (9. Be3 $11) 9... O-O 10. Bg5 b5 11. Bd3 Qc7 12. Nbd2 Bh5 $146 ({Better is} 12... h6 $15 13. Bxf6 Nxf6) ({Predecessor:} 12... a6 13. Qc2 h6 14. dxe5 Bxe5 15. Nxe5 hxg5 16. Nxd7 Qxd7 {1-0 (29) Bakker,M (1839)-Stewart,N (2263) Leiden 2014}) 13. h3 h6 14. Be3 Bg6 15. Nh4 Kh7 16. Nf5 Rae8 17. Rae1 a5 (17... a6 $11) 18. Qc2 c5 (18... a4 $14) 19. d5 c4 20. Be2 Bc5 21. Bxc5 Qxc5+ 22. Kh2 Nb6 23. g4 Rh8 $11 24. Rf3 Kg8 25. Rg1 h5 26. g5 Ng4+ 27. Kh1 Bxf5 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.26"]
[White "Moccero, Eduardo"]
[Black "Sosa Macho, Juan Manuel"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1950"]
[BlackElo "2079"]
[Annotator "NA RC"]
[PlyCount "76"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. Bf4 d6 6. h3 c6 7. e3 Na6 {E61: King's Indian: Early deviations for White, including Smyslov System} (7... a6 8. Bd3 b5 9. O-O Nbd7 10. Rc1 Re8 11. Bh2 Bb7 12. a3 e5 13. Be2 Rc8 14. b4 exd4 15. exd4 Nb6 {1-0 (40) Melkumyan,H (2662)-Andriasian,Z (2586) Yerevan 2018}) 8. Be2 Nc7 9. O-O Rb8 10. a4 Bd7 $146 ({Predecessor:} 10... b6 11. b4 Nd7 12. Rc1 c5 13. dxc5 bxc5 14. b5 Nf6 15. Nd2 {1-0 (34) Cueto Chajtur,J (2350)-Diaz,J Elista 1998}) 11. Qc2 a5 12. Rfd1 Na6 13. Na2 Ne8 14. Rab1 Rc8 15. c5 d5 16. b4 b5 17. axb5 cxb5 18. bxa5 Qxa5 19. Qb3 Nac7 20. Nc3 Qa8 21. Ne5 Bxe5 22. Bxe5 Rb8 23. Bf3 Be6 24. Rb2 Rd8 25. Ra2 Qc6 26. Rb1 Bf5 27. Rba1 Be4 28. Be2 Rb8 29. Ra5 Nf6 30. Bxc7 Qxc7 31. Rxb5 e5 32. f3 exd4 33. exd4 Bf5 34. Nxd5 Nxd5 35. Rxb8 Qxb8 36. Qxd5 Qb2 {[#]} (36... Rd8 {is a better defense.} 37. Qe5 Qxe5 38. dxe5 Rd5) 37. Ra2 $4 (37. Re1 $1 $18 {is the narrow road to win.}) 37... Qb1+ 38. Kh2 Be6 $19 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.27"]
[White "Augoustis Funti, Alexis"]
[Black "Zaruski, Julio"]
[Result "*"]
[ECO "B00"]
[WhiteElo "1984"]
[BlackElo "1823"]
[Annotator "NA RC"]
[PlyCount "131"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Bd3 Nce7 6. O-O h5 7. Bg5 Qd7 8. Nh4 Bxd3 9. Qxd3 g6 10. Nd2 Bh6 11. f4 Nf5 12. Nhf3 Bxg5 13. fxg5 Nge7 14. b3 Rd8 15. Rad1 b6 16. h3 c5 17. g4 hxg4 18. hxg4 c4 19. bxc4 Ng3 20. Rfe1 dxc4 21. Nxc4 Nd5 22. Nd6+ Ke7 23. Nh2 $18 Rh3 24. Rf1 Nxf1 25. Qxh3 Nxh2 26. Qxh2 Qa4 27. Qf2 Rf8 28. Rd3 Qxa2 29. Rf3 Kd8 30. c4 Qxf2+ 31. Kxf2 Nb4 32. Rxf7 Rxf7+ 33. Nxf7+ Ke7 34. Nh8 a5 35. Ke2 a4 36. Kd2 a3 37. Kc3 a2 38. Kb2 Nc2 39. Kxa2 Nxd4 40. Nxg6+ Kf7 41. Nf4 Nf3 42. g6+ Kg7 43. Nxe6+ Kg8 44. Kb3 Nxe5 45. Nf4 Nxg4 46. Kc3 Ne5 47. Kd4 Nc6+ 48. Kd5 Na5 49. Nd3 Kg7 50. Ne5 Kf6 51. Kd4 Kg7 52. Kc3 Kf6 53. Kd4 Kg7 54. Kd3 Kf6 55. Kc3 Kg7 56. Kb4 Kf6 57. Kb5 Kg7 58. c5 bxc5 59. Kxa5 c4 60. Kb4 Kf6 61. Kxc4 Kg7 62. Kd5 Kf6 63. Kd6 Kg7 64. Ke7 Kg8 65. Kf6 Kh8 66. Nc6 *

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.28"]
[White "Visillac, Alejandro"]
[Black "Gaye, Gustavo"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1803"]
[BlackElo "1984"]
[Annotator "NA RC"]
[PlyCount "112"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 g6 2. Nf3 c5 3. g3 Bg7 4. Bg2 Nc6 5. O-O e6 6. c3 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} Nge7 (6... d5 7. exd5 exd5 8. d4 cxd4 9. Nxd4 Nge7 10. Bg5 h6 11. Bf4 O-O 12. Re1 Nxd4 13. cxd4 Nc6 {½-½ (28) Mamedov,R (2660)-Svidler,P (2722) Moscow 2010}) 7. d4 cxd4 8. cxd4 d5 9. e5 O-O 10. Nc3 Bd7 11. Bg5 h6 12. Be3 $146 ({Predecessor:} 12. Bf4 Rc8 13. Rc1 Na5 {½-½ (47) Mann,C (2305)-Pogorelov,R (2415) Budapest 1990}) 12... Na5 13. b3 Rc8 14. Rc1 Qb6 15. Qd2 Kh7 16. g4 Qb4 17. Ne4 Qxd2 18. Nf6+ Bxf6 19. Bxd2 Bg7 20. Bxa5 Nc6 21. Bc3 Rfe8 22. h3 Bf8 23. Bd2 Ba3 24. Rc2 (24. Rb1 $17 Nb4 25. Rfd1) 24... Nxe5 25. Nxe5 $2 (25. Ne1 {was necessary.} Nc6 26. Nf3) 25... Rxc2 26. Nxd7 Re7 27. Nf6+ Kg7 28. Bxh6+ Kxf6 29. Bf8 Rxa2 30. Bxe7+ Kxe7 31. Rd1 Bb2 32. Rd2 $19 (32. h4 $17 {keeps fighting.}) 32... Ra1+ 33. Bf1 Bc3 34. Rd3 Rc1 35. Kg2 b5 36. Be2 g5 37. Bd1 a5 38. Kg3 Be1 39. Kf3 Rc3 40. Rxc3 Bxc3 41. Ke3 Kd6 42. Kd3 Ba1 43. Be2 a4 44. bxa4 bxa4 45. Bd1 a3 46. Bb3 f6 47. f3 Kc6 48. Ke3 Kb5 49. Kd3 Kb4 50. Ba2 Bc3 51. f4 gxf4 52. h4 f3 53. h5 f2 54. Ke2 Bd2 55. Kxf2 Kc3 56. Ke2 Bg5 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.29"]
[White "De Haro, Martim Afonso Palma"]
[Black "Soto, Nicolas"]
[Result "0-1"]
[ECO "C17"]
[WhiteElo "1790"]
[BlackElo "1982"]
[Annotator "NA RC"]
[PlyCount "90"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 cxd4 6. Nb5 Bxd2+ 7. Qxd2 Nc6 8. f4 Nge7 9. Nd6+ Kf8 10. Bd3 {C17: French: 3 Nc3 Bb4 4 e5 c5 sidelines} (10. Nf3 Nf5 11. Nxf5 exf5 12. Nxd4 Qb6 13. O-O-O Be6 14. Be2 a6 15. Rhf1 Rc8 16. Kb1 h5 17. Rf3 Na5 {½-½ (59) Zawadzka,J (2419)-Bednarek,S (2309) Katowice 2017}) 10... Nf5 11. Bxf5 exf5 12. Nf3 Qb6 $146 ({Predecessor:} 12... f6 13. O-O-O fxe5 14. fxe5 Nxe5 15. Nxc8 Nc6 16. Nxd4 Qxc8 17. Nxf5 Qc7 18. Rhf1 Ne5 19. Qxd5 Nd7 20. Nxg7+ Ke7 {1-0 (20) Allen,K-Sobey,A Bognor Regis 1965}) 13. O-O-O Be6 14. Nxd4 Nxd4 15. Qxd4 Qxd4 16. Rxd4 b6 17. Re1 h5 18. Re3 Ke7 19. Rc3 Rhd8 20. Rc7+ Rd7 21. Rxd7+ Kxd7 22. c4 dxc4 23. Nxf5+ Kc6 24. Rd6+ $16 Kc5 25. Nxg7 Bd5 26. Rf6 Rg8 27. Nxh5 Rxg2 28. h3 Bf3 29. Rh6 Kd4 30. Rd6+ Ke3 31. Nf6 Kxf4 32. Rd4+ Kxe5 33. Rxc4 Kxf6 34. Rf4+ Ke5 35. Rxf7 Be4 36. Rxa7 Rc2+ 37. Kd1 Rxb2 38. Ra6 Kd4 39. Kc1 Rc2+ 40. Kd1 b5 41. Ra7 b4 42. Ra4 Kc3 43. a3 Bf3+ 44. Ke1 b3 45. Rf4 Bd5 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.30"]
[White "Martinez, Carlos Alejandro"]
[Black "Gomez Troccoli, Martin"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2503"]
[BlackElo "1976"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,15,2,22,12,33,32,32,32,36,0,20,4,33,24,33,24,78,58,65,53,177,177,445,447,443,441,439,423,439,432,479,318,352,230,245,228,197,6,89,0,0,0,53,-39,8,8,204,-6,105,127,106,127,250,51,47,46,62,-182,-177,-29998,-29999]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 f6 7. Bd3 c4 {C02: French: Advance Variation} (7... Qc7 8. O-O O-O-O 9. Qe2 Nge7 10. b4 c4 11. Bc2 Ng6 12. Re1 Be7 13. a4 fxe5 14. dxe5 Rdf8 15. Na3 Nf4 16. Qd1 Be8 {1-0 (37) Grischuk,A (2737)-Morozevich,A (2676) Doha 2016}) 8. Bc2 fxe5 9. Nxe5 Nxe5 {White is slightly better.} 10. dxe5 g6 $146 ({Predecessor:} 10... Qh4 11. Be3 Nh6 12. h3 Nf7 13. g3 Qd8 14. f4 Qc7 15. Nd2 {1-0 (39) Ritscher,J (2277)-Mitscherling,A (2249) Germany 2004}) 11. Qg4 Ne7 12. O-O Bg7 13. f4 Qb6+ 14. Kh1 O-O (14... Bf8 $11) 15. Nd2 $16 {[%cal Bb1d2,Bd2f3,Bf3g5][%mdl 32]} Rf7 16. Nf3 Nc6 {[#]} (16... Bf8 $14) 17. Ng5 $1 $18 Rff8 $2 {[#]} (17... Raf8 18. Qh3 (18. Nxf7 Rxf7 19. Qe2 Bf8 $16) 18... Bh8 19. Nxf7 Rxf7) 18. Nxh7 $1 {[%mdl 512]} Nxe5 (18... Kxh7 19. Qxg6+) 19. Qh3 Nd3 20. Bxd3 cxd3 21. Ng5 {[%csl Gg5][%cal Rh3h7]} Rf5 22. Qh7+ Kf8 23. Qxg6 e5 24. Qxb6 axb6 25. Be3 $2 (25. g4 $18 Rxg5 26. fxe5+ {[%mdl 64] Discovered Attack} Rf5 27. gxf5 Bxe5 28. Bg5) 25... e4 (25... exf4 $11 26. Rxf4 (26. Bxf4 Kg8 $11) 26... Rxf4 27. Bxf4 Re8) 26. g4 (26. Bxb6 $16 {Black must now prevent g4.} Ke8 27. h3) 26... d4 $1 $11 {[%cal Rd4e3]} 27. cxd4 Rb5 (27... Rd5 $11) 28. Rf2 ({Not} 28. Nxe4 $2 Re8 $19) (28. f5 $1 $14) 28... Bxg4 29. f5 $36 {[%mdl 2048] Strongly threatening Rg1. White has good play.} Kg8 $2 {[#]} (29... Ke7 $1 $11 {and Black is okay.}) 30. Nxe4 $2 (30. f6 $1 $18 Rxg5 31. Bxg5) 30... Re8 (30... Rxf5 $11 {keeps the balance.} 31. Nf6+ Rxf6 32. Rxf6 Bxf6) 31. Nd6 $1 $16 {[%csl LRb5,LRb7,LRe8][%mdl 64] Double Attack} Rxe3 32. Nxb5 Be2 (32... Kf8 $16 {is a better defense.} 33. Kg2 Bf6) 33. Nc3 $2 (33. Kg2 $18) 33... Bf3+ $1 $14 34. Kg1 {f6 is the strong threat.} Bxd4 {And now ...d2! would win.} 35. Raf1 $2 (35. Nb5 $14 {stays ahead.} Be5 36. Rd2) 35... Re7 $19 {[%cal Re7g7][%mdl 1024] Black has strong compensation.} 36. h3 $2 (36. h4 $19 d2 37. Kh2 Bxc3 38. Kg3 (38. Rxf3 $2 Re1 $19)) 36... Rg7+ {Accuracy: White = 30%, Black = 17%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.31"]
[White "Maestro, Esteban"]
[Black "Araque, Jairo"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1533"]
[BlackElo "1961"]
[Annotator "NA RC"]
[PlyCount "68"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 g6 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} (8... b5 9. a3 Rb8 10. dxc5 Bxc5 11. Bxc5 Nxc5 12. b4 Nd7 13. Bd3 Qb6 14. Ne2 f6 15. exf6 Nxf6 16. Ned4 Nxd4 17. Nxd4 {½-½ (31) Grischuk,A (2769)-Short,N (2652) Douglas 2018}) 9. O-O-O b5 10. dxc5 Nxc5 11. a3 $146 ({Predecessor:} 11. Bd3 b4 12. Ne2 Qc7 13. g4 Nxd3+ 14. Qxd3 a5 15. Ned4 {½-½ (29) Orehek,S (1913)-Plahuta,D (2069) Sentjur 2010}) 11... b4 12. axb4 Nxb4 13. Bxc5 Bxc5 14. Nd4 Bd7 15. Nb3 Be7 16. Kb1 Rc8 17. Qe3 Qc7 18. Be2 Rb8 19. Rd2 h5 20. g3 a5 $17 21. Na2 a4 22. Nd4 Qb7 23. c4 dxc4 24. Rc1 Nd5 25. Qf3 c3 26. Nxc3 Nxc3+ 27. Qxc3 Bb4 28. Qc2 Bxd2 29. Qxd2 Qb4 30. Qxb4 Rxb4 31. Nc2 Rb8 32. Bd1 Ke7 33. Nd4 Rhc8 34. Rxc8 Rxc8 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.15"]
[Round "8.32"]
[White "Rupel, David"]
[Black "Ortiz, Jorge"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "1953"]
[BlackElo "1809"]
[Annotator "NA RC"]
[PlyCount "135"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nge2 c6 {E70: King's Indian: Miscellaneous lines with 4 e4, including 5 Nge2 and 5 Bd3 0-0 6 Nge2} (5... Nbd7 6. Ng3 e5 7. d5 a5 8. Be2 Nc5 9. Be3 h5 10. Qc2 Ng4 11. Bxc5 dxc5 12. h3 Nf6 13. O-O-O Bh6+ 14. Kb1 O-O {0-1 (48) Salem,A (2660)-Grischuk,A (2771) St Petersburg 2018}) 6. h3 O-O 7. Be3 e5 8. d5 cxd5 9. cxd5 b5 $146 ({Predecessor:} 9... a6 10. g4 b5 11. Ng3 Nbd7 12. Be2 Nb6 13. Qd2 Bd7 14. b3 {½-½ (42) Hackbarth,W (2137)-Luciani,C (2236) Arco 2006}) 10. a3 a6 11. Ng3 Nbd7 12. Bd3 Nb6 13. Rc1 Ne8 14. O-O f5 15. f4 Bh6 16. exf5 Nc4 17. Bxc4 $1 bxc4 18. Qd2 exf4 19. Bxf4 Bxf4 $18 20. Rxf4 Bxf5 21. Nxf5 Rxf5 22. Rxf5 gxf5 23. Rf1 Ng7 24. Qd4 Qb8 25. Rf2 Qc7 26. Nd1 Re8 27. Nc3 Re1+ 28. Kh2 Re7 29. Re2 Rxe2 30. Nxe2 Qc5 31. Qxc5 dxc5 32. Nc3 Kf8 33. Na4 Ke7 34. Nxc5 Kd6 35. Nxa6 Kxd5 36. Nb4+ Kc5 37. Kg3 Kb5 38. Nc2 Ka4 39. Nd4 c3 40. bxc3 Kxa3 41. Kf4 Kb2 42. Ne2 Kc2 43. Ke3 Ne8 44. Kd4 Kd2 45. Ng3 Ng7 46. c4 Ke1 47. Ke3 h6 48. Kf3 Kd2 49. c5 f4 50. Ne4+ Kd3 51. Kxf4 Ne6+ 52. Ke5 Nd8 53. g4 Ke3 54. h4 Kf3 55. g5 hxg5 56. hxg5 Nc6+ 57. Kd6 Nd8 58. g6 Kxe4 59. c6 Kf5 60. g7 Nf7+ 61. Ke7 Nh6 62. c7 Kg6 63. c8=Q Kxg7 64. Qf8+ Kh7 65. Kf6 Ng8+ 66. Kg5 Kh8 67. Qf7 Nh6 68. Qf6+ 1-0

