[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.1"]
[White "Mareco, Sandro"]
[Black "Barandiaran, Gabriel"]
[Result "1-0"]
[ECO "E95"]
[WhiteElo "2664"]
[BlackElo "1836"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,69,17,54,35,34,16,58,50,57,48,46,43,47,34,54,61,90,89,93,0,79,63,96,52,66,52,74,72,87,61,155,156,170,181,355,300,327,326,188,206,481,481,464,470,709,702,689,692,631,324,325,314,285,301]} 1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. Re1 c6 9. Bf1 Qe7 10. Bg5 {E95: King's Indian: Classical: 7...Nbd7 8 Re1} h6 11. Bh4 Kh7 $146 ({Predecessor:} 11... Re8 12. d5 c5 13. a3 Qf8 14. b4 b6 15. Nb5 Rd8 16. Nc7 Rb8 {0-1 (33) Dzhumagaliev,Y (2400)-Jones,G (2650) Almaty 2016}) 12. h3 {White is slightly better.} Re8 13. Rb1 a5 14. d5 Nc5 15. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Qc7 16. a3 Nh5 17. b4 Nd7 18. Qd2 ({White should try} 18. dxc6 $16 bxc6 19. c5 dxc5 20. b5) 18... f6 (18... axb4 $11 19. axb4 g5) 19. Nh2 $16 g5 20. Bg3 Nxg3 21. fxg3 Nf8 22. Be2 Ng6 23. Bg4 Bxg4 (23... axb4 $14 24. axb4 Ne7) 24. Nxg4 h5 25. Ne3 Qb6 $2 (25... axb4 26. axb4 h4) 26. Kh1 Qd4 27. Qe2 g4 {[#]} 28. Ncd1 $1 {Nf5 is the strong threat.} Qxe4 $2 (28... Ne7 {was called for.}) 29. Nf2 $18 {[%mdl 64] Double Attack} Qd4 30. Nf5 Qc3 {[#]} (30... Qb6 $142 31. hxg4 cxd5 32. gxh5 Ne7) 31. Nxg4 $1 {[%mdl 512]} hxg4 32. Qxg4 {Black must now prevent Qh5+.} Qd2 {intending ...Qg5.} 33. Qh5+ Kg8 34. Qxg6 {[%csl Gf5][%cal Rg6g7]} Qg5 35. Qxg5 {Accuracy: White = 61%, Black = 19%.} ({Not} 35. Qxg7+ Qxg7 36. Nxg7 Kxg7 $16) 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.2"]
[White "Silva Rosas, Natalia"]
[Black "Felgaer, Ruben"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1830"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,42,-20,-20,-21,-209,-206,-194,-124,-431,-429,-411,-401,-393,-389,-424,-400,-429,-427,-709,-680,-1349,-808,-1234,-1227,-2197,-2162,-2212,-2227,-2349,-2043]} 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 Nge7 7. fxe6 dxe6 8. O-O O-O {B23: Closed Sicilian: Lines without g3} 9. Qe1 $2 {[#]} (9. d3 $11 {and White stays safe.}) (9. d3 Nd4 10. Bg5 h6 11. Bh4 g5 12. Bg3 Ng6 13. Nxd4 cxd4 14. Nb5 Be5 15. c3 Bxg3 16. hxg3 dxc3 17. bxc3 Bd7 18. Nd4 {0-1 (28) Al Modiahki,M (2542)-Kuzubov,Y (2699) Riadh 2017}) 9... Nd4 $19 10. Qh4 $146 ({Predecessor:} 10. d3 Nxc2 11. Qh4 Nxa1 12. Bh6 Nc2 13. Ng5 Bxh6 14. Qxh6 Qd4+ 15. Rf2 Qg7 16. Qxg7+ Kxg7 17. Rxc2 {0-1 (33) Wojnowska,N (1426)-Retailleau,E (1932) Agen 2018}) 10... Nec6 ({Black should try} 10... Nxc2 $19 11. Rb1 Nc6 12. Qxd8 Rxd8) 11. Ng5 $2 {[%mdl 8192]} (11. Qxd8 $17 Rxd8 12. Nxd4 cxd4 13. Nb5) 11... h6 12. d3 hxg5 13. Bxg5 f6 14. Bh6 Ne5 15. Bb3 b5 {Black is clearly winning.} 16. Nd5 (16. Be3 $142) 16... Nxb3 {[%cal Bd4b3,Bb3a1,Ba1c2][%mdl 32]} 17. Nxf6+ Bxf6 18. Qg3 Nxa1 19. Bf4 Qd4+ 20. Kh1 Nxc2 21. h4 Qxd3 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.3"]
[White "Hernandez Guerrero, Gilberto"]
[Black "Schnaider, Ilan"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2533"]
[BlackElo "1825"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,67,16,9,10,8,16,0,8,6,29,15,31,33,37,20,31,34,47,44,67,76,90,80,91,67,66,75,162,161,221,175,167,164,250,210,211,212,228,217,322,315,511,515,662,581,529,578,571,568,564,510,841,837,860,858,1525,1353,1515,1468]} 1. e4 e6 2. d3 {[%cal Bd2d3,Bd3e4][%mdl 32]} d5 3. Qe2 dxe4 4. dxe4 Nc6 5. Nf3 e5 6. c3 Bd6 {C00: French: Unusual White 2nd moves} 7. Qc2 h6 8. Nbd2 Nf6 {The position is equal.} 9. Nc4 Bg4 $146 ({Predecessor:} 9... O-O 10. Be2 a6 11. a4 Qe7 12. a5 Nh5 13. g3 Nf6 14. h3 Be6 {1-0 (49) Glek,I (2580)-Brynell,S (2473) Izmir 2004}) 10. Be2 Qe7 11. O-O O-O 12. h3 Be6 13. b4 a6 14. a4 Bxc4 15. Bxc4 Rfb8 16. Nh4 Qd7 17. Qe2 Ne7 18. Re1 c6 (18... Rc8 $16) 19. Qf3 $18 Kh7 (19... b5 $142) 20. Bxf7 Rf8 21. Bb3 Nfd5 (21... c5 $142 22. Ba3 cxb4 23. cxb4 a5) 22. Qd3 Nf4 23. Bxf4 Rxf4 24. Rad1 Rf6 (24... Rd8 $142) 25. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Qe8 $2 {[#]} (25... Qd8 26. c5 Bc7) 26. c5 {White is clearly winning.} Bb8 27. Qd7 Qf8 28. Re2 Ba7 29. a5 Rb8 {[#]} 30. Nf5 $1 {[%mdl 512]} Ng6 (30... Nxf5 $142 31. exf5 Re8) 31. g3 Nh8 32. Qc7 Kg6 33. h4 Nf7 34. Rd7 {Precision: White = 78%, Black = 19%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.4"]
[White "Zaruski, Julio"]
[Black "Alonso, Salvador"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1823"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,104,22,29,41,26,22,14,28,26,64,47,59,54,58,49,61,43,46,50,46,0,39,0,0,0,51,27,29,0,31,0,39,0,0,-245,-235,-954,-934,-924,-903,-1225,-1045,-2050,-2027,-1656,-2247,-2187,-2187,-1840,-1645,-1677,-1474,-2949,-2678,-1244,-735,-800,-800,-907,-524,-527,-521,-509,-482,-465,-452,-624,-577,-693,-693,-1239,-1204,-1177,-910,-1652,-1756,-29984,-29985,-29986,-29987,-29988,-29989,-29989,-29990]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O e5 7. d3 Nge7 8. Bd2 O-O 9. Rb1 h6 10. a3 a5 11. Ne1 Be6 12. Nd5 a4 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} 13. b3 $146 ({Predecessor:} 13. Nc3 Qa5 14. Nb5 Qd8 15. Nc3 Qa5 16. Nc2 Rfb8 17. Ne3 Nd4 18. Ncd5 Qd8 19. Nxe7+ Qxe7 20. Nd5 {½-½ (83) Amin,B (2634)-Grischuk,A (2794) Tsaghkadzor 2015}) 13... axb3 14. Rxb3 Ra7 {The position is equal.} 15. Nc2 Nd4 16. Nxd4 exd4 17. Nf4 Bc8 18. h4 Nc6 19. Bc1 Re8 20. Re1 Ne5 21. Nd5 Bg4 22. Qd2 Kh7 23. Kf1 Be6 (23... Bd7 $11) 24. Nf4 Bc8 25. Nd5 Ng4 26. Kg1 Be5 27. h5 gxh5 28. Nf4 $2 {[#]} (28. Bf3 $11 Rh8 29. Bxg4 hxg4 30. e3 (30. Qxh6+ Kg8 $11)) 28... h4 $19 29. Bf3 $2 (29. Rf1) 29... hxg3 30. fxg3 Ne3 31. Ng2 Bxg3 32. Qb2 Bxe1 33. Bxe3 dxe3 34. Nxe1 Rg8+ 35. Ng2 Bh3 36. d4 Bxg2 37. Qb1+ Kh8 38. Bxg2 Qf6 {( -> ...Qf2+)} 39. Rxe3 Qxd4 {[%mdl 64] [#] Double Attack} 40. Qd3 Qxd3 41. Rxd3 {[%mdl 4096] Endgame KRR-KRB} Rg4 42. Rxd6 Rxa3 43. Kf2 Rxc4 44. Rxh6+ Kg7 45. Rh5 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 46. Bc6 b4 47. Bd5 Rd4 48. Rf5 Kg6 49. e4 Rd2+ {Black mates.} 50. Ke1 Rh2 {[%cal Ra3a1]} 51. Rf2 Rxf2 52. Kxf2 b3 {Accuracy: White = 33%, Black = 62%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.5"]
[White "Tristan, Leonardo"]
[Black "Quevedo, Andreina"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2493"]
[BlackElo "1819"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,41,24,5,29,9,22,22,34,40,61,65,110,106,116,71,99,72,135,140,409,422,346,52,73,49,389,30,44,45,29992,29993,29993,29994]} 1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 d6 6. Bd3 Nd7 {A45: Trompowsky Attack} (6... g6 7. Ne2 Bg7 8. O-O O-O 9. f4 Qe7 10. e5 b6 11. Nd2 Bb7 12. Be4 Bxe4 13. Nxe4 Rd8 14. Qe1 {0-1 (62) Moiseenko,A (2667)-Wang,Y (2690) Riadh 2017}) 7. Ne2 g6 8. O-O Bg7 {The position is equal.} 9. f4 b6 10. f5 e5 $146 ({Predecessor:} 10... Bb7 11. Nd2 Qg5 12. fxe6 fxe6 13. Nf4 O-O 14. g3 Rf6 15. Nf3 Qa5 16. a4 c5 17. Bb5 Nf8 18. Qe1 c4 19. Nd2 Rc8 20. Nxc4 {1-0 (20) Rogers,I (2526)-Wei,M (2117) Tuggeranong 2006}) 11. fxg6 Qxg6 12. Nd2 h5 13. Bc4 Nf6 {[#]} (13... O-O $142) 14. Qa4+ $1 $16 Ke7 $2 {[%mdl 8192]} (14... Bd7 $16 15. Bb5 Qg4) 15. dxe5 $18 dxe5 16. Qc6 $2 (16. Nf3 $18 Bd7 17. Qa3+ c5 18. Nxe5 Qxe4 19. Rae1 Qe3+ 20. Kh1 Qxe5 21. Nd4 Qxe1 22. Rxe1+ Kf8 23. Nb5) 16... Bd7 $1 $14 {[%cal Rd7c6]} 17. Qxc7 Qg5 $2 {[%mdl 8192]} (17... Ne8 $1 $14 18. Bxf7 (18. Qb7 Nd6 $15) 18... Qxg2+ 19. Kxg2 Nxc7) 18. Nf3 $2 (18. Nd4 $18 Rhc8 19. Nc6+ Ke8 20. Bxf7+ Kxf7 21. Qxd7+ (21. Nxe5+ Kg8 $15) 21... Kg8 22. Qe6+ Kh7 23. Nf3) 18... Qe3+ $11 19. Kh1 Nxe4 $2 {[%mdl 8192]} (19... Ne8 $14 20. Qb7 Nd6) 20. Nxe5 Nf2+ {[#]} 21. Rxf2 $1 {[%mdl 512] Precision: White = 52%, Black = 15%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.6"]
[White "Ortiz, Jorge"]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1809"]
[BlackElo "2486"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,68,1,9,9,13,0,8,0,5,0,-5,-63,-58,-89,-75,-96,-104,-91,-100,-91,-81,-94,28,-33,-23,-46,-40,-58,-47,-58,0,-80,-97,-54,-57,-153,-150,-161,-155,-183,-183,-179,-162,-185,-188,-301,-298,-299,-285,-285,-289,-295,-276,-271,-254]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d3 h6 9. Nbd2 {C78: Ruy Lopez: Archangelsk and Möller Defences} (9. Re1 O-O 10. Nbd2 Ne7 11. a4 b4 12. d4 bxc3 13. bxc3 exd4 14. cxd4 Bb4 15. Re3 Ng6 16. h3 a5 {0-1 (65) Zhigalko,S (2638)-Giri,A (2762) Heraklio 2017}) 9... Bb6 10. a4 $146 {Black should prevent axb5.} ({Predecessor:} 10. Re1 Ne7 11. Nf1 Ng6 12. Ng3 O-O 13. d4 c5 14. h3 exd4 15. cxd4 c4 16. Bc2 Bb7 {0-1 (43) Tukhaev,A (2564)-Kovalev,V (2546) Minsk 2015}) 10... Rb8 11. axb5 {The position is equal.} axb5 12. Qe2 O-O 13. h3 (13. Rd1 $11) 13... Nh5 $1 $15 14. Rd1 Nf4 15. Qf1 Qf6 16. Nh2 h5 17. Ndf3 {[#]} g5 $1 18. Bxf4 gxf4 ({Black should play} 18... Qxf4 $17 19. d4 g4 20. hxg4 hxg4) 19. h4 ({Better is} 19. d4 $11) 19... Ne7 20. Qe2 Bg4 21. Nxg4 hxg4 22. Ng5 g3 (22... f3 $1 $15 23. Qd2 fxg2 24. Kxg2 b4) 23. Qh5 (23. Qg4 $11 {remains equal.}) 23... Bxf2+ $17 24. Kf1 {[%csl Gg5][%cal Rh5h7] [#]} Qg6 25. Qxg6+ (25. Qg4 $1 $15) 25... Nxg6 26. Nf3 Kg7 27. Ke2 Rh8 28. Rh1 Rh5 29. Rh3 b4 {aiming for ...bxc3.} 30. Bc4 (30. Rb1 $142) 30... bxc3 $19 {Black has a decisive advantage.} 31. bxc3 Rb2+ 32. Kd1 Be3 33. Ra2 Rb1+ 34. Ke2 Rc1 {Accuracy: White = 34%, Black = 72%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.7"]
[White "Ricardi, Pablo"]
[Black "Visillac, Alejandro"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2479"]
[BlackElo "1803"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,51,-9,-20,16,27,28,25,20,12,19,20,27,31,43,35,50,54,58,57,68,66,120,124,188,172,285,217,219,223,378,394,458,466,466,459,438,395,574,552,553,544]} 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. O-O e5 {C00: French: Unusual White 2nd moves} (7... O-O 8. Re1 b5 9. e5 Nd7 10. Nf1 Bb7 11. h4 Qc7 12. Bf4 Rfc8 13. Ne3 Qd8 14. Ng4 Bf8 15. Bg5 Qe8 16. c3 h6 17. Bf4 a5 18. Qd2 b4 19. c4 Ne7 20. h5 {1-0 (59) Kuzubov,Y (2699)-Grischuk,A (2772) Riadh 2017}) 8. exd5 Nxd5 9. Re1 f6 $1 {White has an edge.} 10. c3 O-O {[#]} 11. d4 $146 {[%mdl 512]} ({Predecessor:} 11. Qb3 Na5 12. Qa4 Bd7 13. Qd1 Nb6 14. d4 exd4 15. cxd4 {1-0 (36) Bojkovic,N (2385)-Boskovic,M (2080) Belgrade 1993}) 11... cxd4 12. cxd4 exd4 13. Nb3 Bb4 14. Bd2 Bg4 15. Bxb4 Ndxb4 16. a3 Nd5 ({Better is} 16... Na6 $1 $14) 17. Nbxd4 $16 Ne5 (17... Nb6 $16) 18. Qb3 $36 {[%mdl 2048] White is in control.} Nxf3+ (18... Kh8 {was worth a try.} 19. h3 (19. Nxe5 fxe5 20. Rxe5 Nf4 $16) (19. Qxb7 Rb8 $16) 19... Bxf3 20. Bxf3 (20. Nxf3 Nb6 $16) 20... Qb6 21. Bxd5 Qxd4) 19. Bxf3 Bxf3 20. Ne6 Qd7 $2 {[#]} (20... Qd6) 21. Nxf8 ({Weaker is} 21. Qxf3 Rfe8 $14) 21... Kxf8 22. Qxf3 Ne7 23. Rad1 Qc7 24. Qb3 Qc6 (24... Nc6 $142 25. Qd3 Kg8 26. Qd5+ Kh8) 25. Re6 Qc7 26. Red6 {Accuracy: White = 100%, Black = 34%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.8"]
[White "Alvarez Ramirez, Miguel Angel"]
[Black "Salinas Herrera, Pablo"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2282"]
[BlackElo "2477"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,74,31,44,30,64,13,22,4,13,-33,-20,-25,-21,-60,-60,-109,-106,-129,-95,-111,-111,-108,-52,-58,-21,-71,-66,-70,-89,-714,-738,-850,-819,-1241,-1225,-1216,-1237,-648,-1197,-1204,-1181,-1043,-1369,-1318,-1214,-1397,-1382,-1319,-1256,-1715,-1206,-1711,-1711,-2002,-1416,-29991,-698,-943,-682]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. Bd3 a6 9. f4 d6 10. O-O {B33: Sicilian: Pelikan and Sveshnikov Variations} (10. Qf3 Be7 11. g4 b6 12. O-O-O Nd7 13. Kb1 Nc5 14. g5 Bd7 15. Qf2 Nb4 16. Bd4 Rg8 17. Rhe1 Nbxd3 18. cxd3 O-O-O 19. Rc1 {½-½ (41) Ragger,M (2656)-Movsesian,S (2677) Linares 2017}) 10... b5 11. Qe1 ({White should play} 11. Qf3 $14) 11... Be7 $11 12. Qg3 {The position is equal.} O-O 13. f5 Kh8 14. fxe6 $146 ({Predecessor:} 14. Rae1 b4 15. Ne2 e5 16. Qf3 {1-0 (40) Suta,A (2165)-Osmanbegovic,S (2315) Slovenia 2015}) 14... fxe6 15. Bg5 Ne5 16. Bxf6 Bxf6 17. Rac1 Bb7 18. Nd2 b4 19. Ne2 Qb6+ ({Black should try} 19... Qe7 $17 {...Bh4 is the strong threat.} 20. Rcd1 a5) 20. Kh1 $15 d5 21. Nf4 Nxd3 {[%mdl 64] Discovered Attack} 22. cxd3 Bxb2 23. Qh3 $2 {[%mdl 8192]} (23. Rb1 $17 Bc3 24. Nf3) 23... Rxf4 $1 $19 24. Rxf4 Bxc1 25. Rh4 h6 26. Rxh6+ gxh6 27. Qxh6+ Kg8 28. Qg6+ Kf8 29. Nf3 Qf2 30. Qf6+ {[#]} Ke8 $1 31. Qxe6+ {[#]} Kd8 $1 32. Qd6+ Kc8 {( -> ...Qf1+)} 33. exd5 Qf1+ 34. Ng1 Qf4 35. Qc5+ Kb8 36. d6 Bxg2+ (36... Be3 $142 37. d4 Bxd4 38. Qc7+ Ka7 39. Nf3 Rg8 40. h3 Qg3 41. Qc2 Bxf3 42. Qh7+ Ka8 43. Qb7+ Bxb7 44. d7 Bxg2#) 37. Kxg2 {[%csl Gd6][%cal Rc5c7]} Qg5+ {Accuracy: White = 13%, Black = 67%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.9"]
[White "Hoffman, Alejandro"]
[Black "De Haro, Martim Afonso Palma"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2461"]
[BlackElo "1790"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,89,43,32,100,107,129,129,129,129,129,125,166,158,166,147,156,138,138,138,138,138,138,138,138,138,138,138,138,137,137,132,128,132,145,128,127,131,262,239,214,227,225,225,239,139,382,374,382,385,439,462,459,459,464,465,464,465,443,443,565,540,538,538,1297,1233,1295,1302,1489,1658,1711,1556]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 c5 5. cxd5 exd5 6. Bg2 Nc6 7. O-O Be7 8. b3 O-O 9. Bb2 Bg4 10. dxc5 Bxc5 11. Nc3 d4 {[#] D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7} ({Better is} 11... Rc8 $14) (11... Re8 12. Rc1 Bb4 13. h3 Bh5 14. a3 Bxc3 15. Bxc3 Ne4 16. Bb2 Qb6 17. g4 Bg6 18. Nd4 Rac8 19. e3 h6 20. Ne2 {1-0 (74) Mamedov,R (2651)-Ganguly,S (2626) Moscow 2013}) 12. Na4 $1 $16 {[%cal Ra4c5]} Bb6 13. Nxb6 $146 ({Predecessor:} 13. h3 Bh5 14. Nxb6 Qxb6 15. g4 Bg6 16. Bxd4 Nxd4 17. Qxd4 Qa6 18. e3 {1-0 (58) Zickus,S (2253)-Kvisla,J (2124) Oslo 2007}) 13... Qxb6 {White is better.} 14. Bxd4 (14. Nxd4 $6 Rfd8 $11) 14... Nxd4 15. Qxd4 ({Don't blunder} 15. Nxd4 $2 Rad8 $19) 15... Rfd8 16. Qxb6 axb6 17. h3 Be6 18. Rfd1 Rxd1+ 19. Rxd1 Kf8 20. Rd2 Ne4 21. Rc2 Rc8 22. Rxc8+ Bxc8 {[%mdl 4096] Endgame KBN-KBN} 23. Nd4 Nc3 24. a4 Ke7 25. Kf1 Kd6 26. Ke1 Kc5 27. e3 Kb4 28. Kd2 Be6 (28... b5 $16 {was worth a try.}) 29. Kc2 ({Resist} 29. Bxb7 $6 Bxh3 30. Kc2 Bd7 $18) 29... Bd5 30. Bxd5 Nxd5 $18 {KN-KN} 31. Nf5 Nf6 32. f3 ({Don't take} 32. Nxg7 $6 Ne4 $16) (32. Nd6 $18) 32... Nd5 $2 {[#]} (32... b5 $16) 33. e4 Nc7 34. Nxg7 Na6 35. Nf5 {White is clearly winning.} Nc5 36. Nd4 Nd7 37. g4 Ne5 38. f4 Ng6 39. Ne2 Nf8 40. Nc3 Ne6 41. Nd5+ Ka3 42. e5 Nd4+ 43. Kc3 Nxb3 44. f5 Nc5 45. Nxb6 {Accuracy: White = 92%, Black = 38%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.10"]
[White "Larrea, Daniela"]
[Black "Bitelmajer, Martin"]
[Result "0-1"]
[ECO "A75"]
[WhiteElo "1770"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,70,44,42,38,0,41,23,36,31,24,47,22,-13,-13,-43,-56,-91,-68,-143,-142,-164,-151,-154,-154,-142,-142,-253,-232,-226,-179,-302,-313,-286,-160,-179,-95,-102,-94,-100,-104,-105,-112,-210,-217]} 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O a6 10. a4 Bg4 11. a5 Nbd7 12. Bf4 Qe7 13. Nd2 Bxe2 14. Qxe2 Nh5 15. Be3 Rfe8 {A75: Modern Benoni: Classical: 9...a6 10 a4 Bg4} 16. Nc4 (16. Ra4 Rab8 17. Kh1 Kh8 18. Re1 Be5 19. g3 Ng7 20. Qd3 f5 21. f4 Bxc3 22. bxc3 b5 23. axb6 Nxb6 24. Raa1 fxe4 25. Qxa6 Nxd5 26. c4 Nb4 27. Qa4 Nf5 28. Qd1 Nd3 {0-1 (28) Grigorov,G (2501)-Lupulescu,C (2593) Albena 2010}) 16... Rab8 17. Na4 $146 ({Predecessor:} 17. f3 Ne5 18. Nb6 Nd7 19. Nc4 Ne5 20. Nb6 Nd7 {½-½ (20) Tomilin,A (2365)-Zargarian,R (2302) Volodarskij 2007}) 17... Ne5 {White has an edge.} 18. Nab6 Rbd8 19. f3 f5 20. Nd2 Nf7 21. Nbc4 Nf6 {[%cal Rf5e4]} 22. Qf2 fxe4 23. fxe4 (23. Nxe4 $15 Nxd5 24. Rad1 Nxe3 25. Nxe3) 23... Ng4 $36 {[%mdl 2048] Black is on the roll.} 24. Qg3 Nxe3 25. Nxe3 Bxb2 {aiming for ...Be5.} 26. Rab1 Be5 27. Qg4 (27. Qe1 $17 {was called for.}) 27... Bd4 $19 28. Qg3 Qg5 29. Rf3 (29. Rb3 {was worth a try.}) 29... Qxg3 30. Rxg3 {[#]} Be5 ({Better is} 30... Ng5 $1 $19 {[%mdl 512]} 31. Kf1 (31. Rxg5 Bxe3+) 31... Nxe4 32. Nxe4 Rxe4) 31. Rg4 {[#]} Rd7 (31... Nh6 $1 $19 32. Rh4 Bd4) 32. Nec4 $17 Bd4+ 33. Kf1 Ne5 34. Nxe5 Bxe5 ({Reject} 34... Rxe5 35. Nc4 $11) 35. Nf3 (35. Ke2 $17) 35... Bc3 {Accuracy: White = 37%, Black = 55%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.11"]
[White "Roselli Mailhe, Bernardo"]
[Black "Osinaga, Eduardo"]
[Result "1-0"]
[ECO "E10"]
[WhiteElo "2434"]
[BlackElo "1755"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,32,35,38,59,30,45,26,98,68,89,70,81,79,76,72,89,65,67,69,110,105,108,102,115,99,116,119,197,182,197,192,174,177,207,210,222,185,183,136,181,177,187,116,152,118,198,193,193,183,183,193,1124,1085,1355,1380,2452,2366,5783,4370,2796,731]} 1. d4 Nf6 2. c4 e6 3. Nf3 h6 4. g3 b6 (4... Bb4+ 5. Bd2 Be7 6. Bg2 d5 7. O-O Nbd7 8. Qc2 O-O 9. Rc1 c6 10. Bf4 g5 11. Bd2 Ne4 {1-0 (44) Mirzoyan,D (2341)-Hakobyan,A (2472) Yerevan 2017}) 5. Bg2 Bb7 6. O-O {E10: Blumenfeld Gambit} Be7 7. Nc3 O-O 8. d5 {White is slightly better.} d6 (8... Bb4 $11 {remains equal.}) 9. e4 e5 10. Ne1 $146 ({Predecessor:} 10. Nh4 Nh7 11. Nf5 Bg5 12. Bxg5 Qxg5 13. h4 Qd8 14. Qg4 Qf6 15. f4 {1-0 (30) Hoeffer,D (2252)-Densing,G (1794) Helsingor 2018}) 10... c6 11. Nd3 Nbd7 12. Be3 Rc8 13. Rc1 cxd5 14. cxd5 Ba6 15. b4 Bc4 16. Re1 a6 17. Nb2 b5 18. a4 {[%cal Ba2a4,Ba4b5][%mdl 32]} a5 (18... bxa4 $16 19. Ncxa4 Bb5) 19. Nxb5 $18 Bxb5 20. axb5 {Threatens to win with Rxc8.} axb4 21. Qa4 Nc5 22. Qxb4 Rb8 23. f3 Nfd7 24. Bf1 f5 25. exf5 Rxf5 26. Nd3 (26. Rxc5 $18 Nxc5 27. Bxc5 dxc5 28. Qe4) 26... Rxf3 27. Nxc5 ({Weaker is} 27. Qg4 Rxe3 $1 {[%mdl 512]} 28. Nxc5 Nxc5 $15) 27... Nxc5 (27... Rxe3 $16 28. Rxe3 Bg5) 28. Bxc5 ({And not} 28. Qg4 {[#]} Rxe3 $1 {[%mdl 512]} 29. Rxe3 Bg5 $15) 28... dxc5 29. Qe4 {[%mdl 64] Double Attack} Rf6 30. Bd3 {Hoping for d6.} Rbb6 $2 (30... g6 31. Qxe5 Bf8) 31. Qh7+ {White is clearly winning.} Kf7 32. Rxe5 Bd6 {[#]} 33. Re6 $1 {[%mdl 512] Intending Rf1 and mate.} Bf8 {[#]} (33... Rxe6 34. dxe6+) 34. Bg6+ $1 {[%mdl 512]} Rxg6 35. Qxg6+ {Accuracy: White = 72%, Black = 38%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.12"]
[White "Areco, Antonio"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1750"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,46,22,10,13,0,0,0,29,-50,40,45,42,51,61,69,80,66,80,36,55,-20,-18,-15,-16,-18,-19,-87,49,-427,-116,-575,-566]} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. d4 c6 7. O-O a6 8. a4 a5 9. e4 Na6 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} 10. Ne1 $146 ({Predecessor:} 10. h3 Nb4 11. Re1 Nd7 12. Be3 e5 13. Qe2 Re8 14. Rad1 Qe7 15. b3 exd4 16. Bxd4 Ne5 17. Rd2 Be6 18. Red1 {1-0 (43) Bu,X (2705)-Onischuk,V (2601) Doha 2016}) 10... Qb6 11. Nc2 e5 {The position is equal.} 12. Rb1 (12. c5 $11 dxc5 13. dxe5) 12... Ng4 (12... exd4 $15 13. Qxd4 Nc5) 13. d5 $1 $14 Nb4 14. h3 Nf6 15. Be3 c5 16. Na3 Ne8 17. Nab5 f5 18. Kh2 (18. exf5 $14 Bxf5 19. Ne4) 18... f4 $11 19. Bd2 Qd8 20. Bf3 Nf6 21. gxf4 (21. Qe2 $11 {keeps the balance.}) 21... Nd3 ({Better is} 21... exf4 $17 22. b3 Nd3) 22. fxe5 $2 {[%mdl 8192]} (22. f5 $1 $14 {keeps the upper hand.}) 22... Nxe5 $2 (22... Nh5 $19 {is more deadly.} 23. e6 (23. exd6 $2 Qh4 $19 {[%mdl 64] Double Attack}) 23... Qh4) 23. Be2 $2 {[%mdl 8192] [#]} (23. Bg2 $17 Nh5 24. f4 Nxc4 25. Ne2) 23... Nfg4+ $1 {[%mdl 512] Accuracy: White = 32%, Black = 46%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.13"]
[White "Gemy, Jose Daniel"]
[Black "Martinez, Carlos Alejandro"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2391"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,83,24,31,38,16,33,33,41,31,43,45,51,31,202,199,191,188,166,172,195,162,162,173,193,195,217,212,218,206,217,188,185,202,202,186,184,184,204,199,254,226,285,257,624,622,773,758,743,768,765,749,759,765,750,728,809,766,759,754,694,539,1347,1314,29983,2758,29987,29988,29996,29992,29997,29998]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Qa5+ {C05: French Tarrasch: 3...Nf6 4 e5 Nfd7, 5 f4 and 5 Bd3 sidelines} (8... a5 9. a3 a4 10. Bd3 Nb6 11. Ne2 Be7 12. h4 Bd7 13. h5 Nc4 14. Nc3 b5 15. f5 exf5 16. h6 g6 17. Nxd5 {½-½ (35) Hou,Y (2661)-Harika,D (2521) Sharjah 2014}) 9. Kf2 Be7 10. g3 O-O {White is slightly better.} 11. Bd3 f6 12. Kg2 Qd8 $146 ({Predecessor:} 12... Qb6 13. Ne2 fxe5 14. fxe5 Ndxe5 15. dxe5 Nxe5 16. Rf1 Nxf3 17. Rxf3 Rxf3 18. Kxf3 e5 19. Bc2 Be6 20. Kg2 Rf8 21. Qe1 {0-1 (29) Ladner,K (2005)-Abhyankar,A (2130) Adelaide 1988}) 13. Ne2 b6 $2 ({Black should play} 13... f5 $14) 14. Qc2 $18 Nb4 15. Bxh7+ Kh8 16. Qg6 {[#] Intending Qh5 and mate.} Qe8 17. a3 Qxg6 18. Bxg6 Nc6 {[%cal Bb4c6,Bc6a5,Ba5b3][%mdl 32]} 19. Bd3 Na5 20. Nh4 Kg8 21. Ng6 Re8 22. Nxe7+ Rxe7 23. Bd2 Nb3 24. Bb4 Nxa1 25. Bxe7 Nb3 26. h4 f5 (26... Bb7 {was called for.} 27. Bb5 Kf7) 27. g4 Kf7 28. Bd6 (28. gxf5 Kxe7 29. fxe6 Kxe6 $16) 28... g6 $2 (28... Nb8 29. gxf5 exf5) 29. h5 Bb7 30. hxg6+ Kxg6 31. Kf2 Nd2 32. gxf5+ exf5 33. Rg1+ Kf7 34. Bxf5 Ne4+ 35. Ke3 Nxd6 36. Bxd7 ({Not} 36. exd6 Nf6 $18) 36... Nc4+ 37. Kf3 Nxb2 38. f5 {[#] Black must now prevent Be6+.} Nc4 39. f6 (39. Be6+ $142 Ke8 40. Rg8+ Ke7 41. Rg7+ Kd8 42. Rxb7 Ke8 43. f6 Nd2+ 44. Kf4) 39... Nd2+ 40. Kf4 {White mates.} Ne4 41. Rg7+ Kf8 42. Be6 {Accuracy: White = 66%, Black = 28%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.14"]
[White "Chamlian, Aram"]
[Black "Lujan, Carolina"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1739"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,64,7,10,10,0,-25,-17,-15,-14,-29,-18,-28,-20,-13,0,-5,-1,-61,-51,-230,-231,-231,-85,-72,-78,-72,-78,-68,-38,-141,-139,-208,-205,-189,-114,-341,0,-231,-220,-354,-168,-552,-528,-682,-701,-706,-695,-729,-597,-586,-579,-29992,-6608]} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nf3 Nge7 8. Be3 {B25: Closed Sicilian: 3 g3, lines without early Be3} (8. O-O O-O 9. Be3 Nd4 10. Qd2 Bg4 11. Nh4 Be6 12. Rf2 exf4 13. Bxf4 Ndc6 14. Nf3 Ne5 15. h3 Qd7 16. Kh2 Nxf3+ 17. Rxf3 d5 18. Bh6 d4 19. Ne2 {½-½ (51) Gazik,V (2486)-Abdusattorov,N (2558) Porto Carras 2018}) 8... Nd4 9. Rb1 O-O 10. O-O {The position is equal.} Bg4 11. Ne2 (11. Qd2 {keeps more tension.} Qd7 12. Nh4 exf4 13. Bxf4 f6 14. Be3) 11... Rc8 $146 ({Predecessor:} 11... Qa5 12. Nc1 Qa4 13. b3 Qd7 14. Qd2 Nxf3+ 15. Bxf3 Bxf3 16. Rxf3 d5 17. fxe5 Bxe5 {0-1 (36) Berning,B (2209)-Sopur,L (2386) Germany 2005}) 12. c3 Nxf3+ 13. Bxf3 Be6 14. g4 f5 15. h3 ({White should play} 15. gxf5 $11 gxf5 16. Qd2) 15... Qd7 $15 {[%cal Rf5g4]} 16. Ng3 $2 ({White should try} 16. exf5 $15 gxf5 17. g5) 16... fxg4 $1 $19 ({Inferior is} 16... Bxa2 17. Ra1 $15) 17. Bxg4 exf4 (17... Bh6 $1 $19 {[%cal Re5f4] and Black stays clearly on top.} 18. Bxe6+ Qxe6 {[%mdl 64] Double Attack}) 18. Bxf4 $17 h5 19. Bxe6+ Qxe6 {[%mdl 64] Double Attack} 20. Qd2 h4 21. Ne2 ({Better is} 21. Nh1 $1 $15) 21... Qxh3 22. Bxd6 {[#]} (22. Qe3 $17 Qe6 23. Bg5) 22... Qg4+ $1 $19 23. Kh2 {[#]} Rcd8 (23... Nc6 $1 $19 24. Ng1 Be5+ 25. Bxe5 Nxe5) 24. Rf4 $2 (24. Rxf8+ $17 {was the only defense.} Rxf8 25. Ng1) 24... Qe6 $2 (24... Rxf4 $19 25. Bxf4 Nc6) 25. Bxe7 $2 (25. Bxc5 $11 {and White is okay.} Be5 26. Rg1) 25... Qxe7 $40 {[%mdl 128] Black is out for blood.} 26. Rg4 (26. Rg1 {was called for.} Qd6 27. Kh1) 26... Qe5+ (26... Rf2+ $142 27. Kh1 Qe5 28. Rxh4 Bf6) 27. Nf4 $2 (27. Kg1 {is more resistant.}) 27... g5 28. Rbg1 Rxf4 29. Rxf4 gxf4 30. Kh3 c4 31. d4 Qxe4 32. Kxh4 Qh7+ {Accuracy: White = 24%, Black = 54%.} (32... Kf7 $142 33. Rxg7+ Kxg7 34. d5 Qf5 35. Qd4+ Kg6 36. Qg1+ Kf7 37. Qd4 Rg8 38. Qg7+ Rxg7 39. d6 Rh7#) 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.15"]
[White "De Dovitiis, Alejo"]
[Black "Reolon, Victor"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2353"]
[BlackElo "1714"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,16,43,33,139,131,157,143,134,136,140,129,133,133,143,139,107,89,89,81,88,77,76,79,86,82,89,87,78,48,135,142,135,141,177,181,174,178,174,173,206,183,191,182,221,185,183,175,200,164,238,225,230,240,231,230,272,229,267,253,382,370,346,167,174,170,455,468,456,448,428,414,5206,5177]} 1. Nf3 d5 2. b3 Nf6 3. Bb2 c5 4. e3 Bg4 5. Bb5+ (5. h3 Bh5 6. Bb5+ Nfd7 7. O-O Nc6 8. Be2 e6 9. d4 Be7 10. dxc5 Nxc5 11. Nd4 Bxe2 12. Qxe2 O-O 13. Nxc6 bxc6 {½-½ (48) Nakamura,H (2786)-Short,N (2683) London 2013}) 5... Nbd7 6. h3 {A06: Réti Opening:1 Nf3 d5} Bh5 (6... Bxf3 $14 7. Qxf3 e6) 7. g4 $1 $16 {[%cal Rg4h5]} Bg6 8. g5 $1 {White is clearly better.} Ne4 9. Ne5 Bf5 10. Qf3 Nd6 11. Qxd5 e6 12. Bxd7+ $146 ({Predecessor:} 12. Qxc5 Nxb5 13. Qxb5 Bxc2 14. Qxb7 Nxe5 15. Bxe5 {1-0 (29) Bij de Vaate,J-Bartels,H Oostvoorne 1972}) 12... Qxd7 13. Nxd7 (13. Qxc5 {with more complications.} Qc8 14. Qd4 Qxc2 15. f3 f6 16. gxf6 gxf6 17. Ng4) 13... exd5 14. Nxf8 $40 {[%mdl 128] White wants a kill.} Kxf8 15. d3 h6 16. gxh6 Rxh6 17. Ba3 b6 18. Nc3 Rd8 19. d4 cxd4 {[#]} ({Black should play} 19... Ne4 $14 20. Nxe4 Bxe4) 20. Nb5 $1 dxe3 21. fxe3 ({Much less strong is} 21. Bxd6+ Rdxd6 22. Nxd6 exf2+ 23. Kxf2 Rxd6 $14) 21... Ke8 22. Nxd6+ Rdxd6 23. Bxd6 Rxd6 $18 {[%mdl 4096] Endgame KRR-KRB} 24. O-O-O b5 25. Rd4 Be4 26. Rg1 g6 27. Kd2 Rf6 28. Ke2 Rc6 29. Rc1 a5 (29... g5 $142 30. a4 a6) 30. c4 f5 31. Kd2 dxc4 32. bxc4 b4 33. c5 Ke7 {[#]} 34. h4 $1 Rc8 (34... Bf3 {might work better.} 35. a3 bxa3) 35. Rd6 Rh8 36. Rxg6 (36. Rg1 $142) 36... Rxh4 37. Re1 f4 $2 (37... Rh2+ {was necessary.} 38. Re2 Rh1) 38. exf4 {[%mdl 64] Discovered Attack} Rh2+ 39. Kc1 Kf7 40. Ra6 ({Weaker is} 40. Rxe4 Kxg6 41. c6 Kf6 $18) 40... a4 (40... Rc2+ $142 41. Kd1 Rc4) 41. Rxe4 {Accuracy: White = 70%, Black = 40%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.16"]
[White "Vinella, Marcelo"]
[Black "Lopez Azambuja, Nicolas"]
[Result "*"]
[WhiteElo "1698"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 2,2,22]} 1. d4 Nf6 {Predecessor:} 2. c4 $146 g6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nf3 Bg7 7. Ne5 O-O 8. Nc3 Bf5 9. O-O Ne4 10. g4 Be6 11. Nxe4 dxe4 12. Bxe4 Nc6 13. Nxc6 bxc6 14. e3 Qd7 15. Bf3 Rab8 16. b3 c5 17. Bb2 c4 {½-½ (46) Ding,L (2813)-Mamedyarov,S (2817) Wijk aan Zee 2019} *

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.16"]
[White "Vinella, Marcelo"]
[Black "Lopez Azambuja, Nicolas"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1698"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,58,11,11,3,11,10,34,25,73,42,47,18,14,0,0,-55,-38,-73,-65,-75,-87,-90,-50,-70,-43,-129,-129,-135,-128,-126,-74,-97,-76,-123,-82,-111,-46,-123,-100,-176,-168,-354,-183,-441,-427]} 1. d4 Nf6 2. Nf3 e6 3. e3 d5 4. Bd3 Bd6 5. Nbd2 c5 6. c3 O-O 7. O-O Nc6 8. dxc5 Bxc5 9. b4 {D05: Colle System with ...e6} Bd6 10. a3 (10. Bb2 e5 11. e4 Bg4 12. Re1 Bc7 13. h3 Bh5 14. exd5 Qxd5 15. Ne4 Nxe4 16. Bxe4 Qxd1 17. Raxd1 f6 18. Rd7 {0-1 (42) Artemiev,V (2695)-Ponkratov,P (2603) Sochi 2017}) 10... e5 {[#] White must now prevent ...e4.} 11. e4 {White is slightly better.} Re8 $146 ({Predecessor:} 11... Ne7 12. Re1 Bg4 13. exd5 Nexd5 14. c4 Nf4 {0-1 (39) Stripunsky,A (2538)-Pedersen,C (2405) Philadelphia 2018}) 12. Re1 Bc7 13. Bb2 Bg4 14. Qc2 dxe4 15. Bxe4 (15. Nxe4 $11 Bxf3 16. gxf3) 15... Nxe4 $15 16. Qxe4 f5 17. Qc4+ Kh8 18. h3 Bh5 {Hoping for ...e4.} 19. Qh4 $1 {[%cal Rh4h5]} Bf7 20. Qxd8 (20. Rad1 $15) 20... Raxd8 $17 21. Nf1 e4 $36 {[%mdl 2048] Black is really pushing.} 22. Nd4 Nxd4 (22... f4 $142 23. Rac1 a5) 23. cxd4 Bb6 24. Rad1 Bb3 25. Rd2 a5 (25... Kg8 $17 26. g3 g5) 26. Ng3 ({Better is} 26. g3 $15) 26... g6 27. d5+ (27. Nf1 $17) 27... Kg8 $19 28. d6 $2 (28. Nf1 {is a better defense.}) 28... Kf7 (28... e3 $142 29. Rd4 axb4 30. axb4 exf2+ 31. Kxf2 Bxd4+ 32. Bxd4 Rxe1 33. Kxe1 Rxd6) 29. Ne2 $2 {[#]} (29. Nf1) 29... Bxf2+ $1 {[%mdl 512] Accuracy: White = 25%, Black = 46%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.17"]
[White "Mussanti, Diego"]
[Black "Lanaro, Emilio"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "2305"]
[BlackElo "1696"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 2,2,35]} 1. e4 e5 {Predecessor:} 2. Nf3 $146 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 Bc5 6. Bxc6 dxc6 7. d3 Qd6 8. h3 Be6 9. Be3 Nd7 10. Bxc5 Nxc5 11. Qd2 Nd7 12. d4 exd4 13. Nxd4 c5 14. Nxe6 fxe6 {1-0 (76) Carlsen,M (2835)-Anand,V (2773) Wijk aan Zee 2019} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.18"]
[White "Aguerre, Valentin"]
[Black "Scarella, Enrique Alejandro"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1694"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,36,8,11,-9,-2,-10,-2,-11,0,-20,1,0,28,22,20,4,54,18,37,20,0,4,22,14,12,0,12,0,49]} 1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. Bb5 e6 5. Be3 (5. Ne2 Nge7 6. Ng3 Bg6 7. h4 h6 8. h5 Bh7 9. Nc3 Qd7 10. Be3 a6 11. Bd3 Bxd3 12. Qxd3 O-O-O {1-0 (48) Rotstein,J (2316)-Thiel,K (2181) Magdeburg 2016}) 5... Nge7 6. Ne2 $146 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence} ({Predecessor:} 6. Nd2 a6 7. Ba4 b5 8. Bb3 Na5 9. c3 Bg6 10. f4 Nc4 11. Nxc4 dxc4 12. Bc2 Nd5 {1-0 (31) Ozimec,Z (1762)-Uran,E (1523) Rijeka 2014}) 6... a6 7. Ba4 b5 8. Bb3 Na5 9. Nbc3 Nec6 10. O-O Be7 11. Ng3 Bg6 12. f4 O-O 13. f5 (13. Nxd5 $5 exd5 14. f5 $14) 13... Nxb3 14. axb3 exf5 {The position is equal.} 15. Nxf5 Bg5 {[#] Threatens to win with ...Bxf5.} 16. Qd2 Bxe3+ 17. Qxe3 Qd7 18. g4 Nd8 {[%mdl 32768] Loss on time!?} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.19"]
[White "Zapata Charles, Santiago"]
[Black "Miraballes Lopez, Andres"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2300"]
[BlackElo "1694"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,59,23,9,56,0,0,0,0,0,0,0,0,-24,-22,-28,-11,-21,29,24,43,40,42,35,47,42,47,0,10,13,97,94,93,91,93,106,227,214,246,231,433,436,455,444,538,392,1023,482,654,672,1513,1446]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bb3 Be6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (6... a5 7. Nbd2 O-O 8. Nf1 Be6 9. Ng3 h6 10. O-O Bxb3 11. axb3 d5 12. Qe2 Re8 13. Bd2 Bf8 14. Rfd1 {0-1 (96) Mamedov,R (2699)-Shankland,S (2722) Batumi 2018}) 7. Ba4 ({Better is} 7. Bxe6 $14 fxe6 8. b4) 7... O-O $11 8. O-O Ne7 {The position is equal.} 9. Re1 $146 ({Predecessor:} 9. d4 Bb6 10. Bc2 Ng6 11. a4 c6 12. Be3 h6 13. Nbd2 Nh7 14. Qe2 Qf6 15. a5 Bc7 {0-1 (49) Muzik,M (2195)-Sosna,J (2310) Czechia 1996}) 9... Ng6 10. Nbd2 c6 11. Nf1 Bb6 12. Ng3 h6 13. h3 Bc7 14. d4 Qc8 15. Bc2 Rd8 16. Bd2 Qd7 17. Qc1 Re8 18. Nf5 {And now Bxh6! would win.} Bxf5 19. exf5 Ne7 {[#]} (19... e4 $1 $11) 20. Bxh6 $1 $16 {[%mdl 512]} Nxf5 (20... gxh6 21. Qxh6) 21. Bg5 {Black must now prevent Bxf6.} Nh7 22. g4 Nxg5 (22... Ne7 $16) 23. Qxg5 $18 ({Inferior is} 23. Nxg5 Nh4 $11) 23... Nh6 {Now ...exd4 and Black clings on.} 24. dxe5 Bd8 $2 (24... dxe5 25. Rad1 Qe6) 25. Qf4 dxe5 26. Nxe5 Qc7 27. Nf3 {[%cal Re1e8] [#]} Qd7 $2 (27... Re7 28. Rxe7 Qxe7) 28. Rxe8+ {White is clearly winning.} Qxe8 29. Re1 {[%cal Re1e8]} Qd7 30. Qd4 {Accuracy: White = 62%, Black = 34%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.20"]
[White "Moratorio, Alberto"]
[Black "Coro, Lucas"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1694"]
[BlackElo "2284"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,48,-26,-32,-12,-16,-44,-21,-46,-57,-73,-83,-91,-91,-92,-101,-101,-96,-101,-99,-93,-86,-93,-87,-113,-116,-114,-110,-155,-124,-122,-108,-166,-165,-208,-216,-256,-255,-303,-304,-289,-290]} 1. d4 Nf6 2. Bf4 c5 3. c3 Qb6 4. Qb3 Qxb3 5. axb3 cxd4 6. cxd4 {A45: Trompowsky Attack} Nc6 7. e3 e6 8. Nf3 {The position is equal.} Bb4+ 9. Nc3 $146 ({Predecessor:} 9. Nbd2 d5 10. Bd3 Bd7 11. Ke2 Nh5 12. Bg3 Nxg3+ 13. hxg3 Ke7 {0-1 (57) Pakleza,Z (2468)-Vorobiov,E (2586) Sitges 2012}) 9... Nd5 10. Rc1 Nxf4 11. exf4 Na5 12. Nd2 d5 13. Bd3 Bd7 14. O-O O-O 15. Rfe1 Rac8 16. Re3 Rc7 17. Bc2 Rfc8 18. Bd1 a6 19. Nf3 Nc6 20. Kf1 (20. f5 $17) 20... Ne7 $19 21. Bc2 Bd6 22. g3 {[#]} b5 $1 {[%cal Bb7b5,Bb5b4][%mdl 32] Black has a decisive advantage.} 23. Ne5 Bxe5 24. fxe5 b4 {Accuracy: White = 43%, Black = 85%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.20"]
[White "Moratorio, Alberto"]
[Black "Coro, Lucas"]
[Result "*"]
[ECO "A45"]
[WhiteElo "1694"]
[BlackElo "2284"]
[Annotator "TA"]
[PlyCount "24"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 8,8,9]} 1. d4 Nf6 2. Bf4 c5 3. c4 d5 4. Nc3 e6 {Predecessor:} 5. e3 $146 cxd4 6. exd4 Bb4 7. Nf3 O-O 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bd2 Nc6 11. a3 Be7 12. Be3 Qa5 {½-½ (38) Vitiugov,N (2742)-Zvjaginsev,V (2659) St Petersburg 2014} *

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.21"]
[White "Larrea, Manuel"]
[Black "Moreno, Nelson"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2269"]
[BlackElo "1682"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,39,32,33,66,65,71,30,81,0,117,131,119,120,142,141,236,226,292,287,291,285,296,299,376,380,368,366]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Be7 {C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines} (8... Nd5 9. Nf3 Bd6 10. O-O Nf4 11. Nc3 Nxd3 12. cxd3 O-O 13. Ne4 Ba6 14. Re1 Bc7 15. b4 Nb7 16. Bb2 {½-½ (112) Wang,H (2730)-Tari,A (2620) St Petersburg 2018}) 9. O-O O-O 10. Re1 Qc7 (10... Qb6 $11) 11. b3 (11. Nc3 $16) 11... c5 $146 (11... Ng4 $1 $11 {keeps the balance.} 12. Ne4 f5) ({Predecessor:} 11... Nb7 12. Bb2 Ng4 13. Nf3 Bc5 14. Re2 Re8 15. Nc3 f5 16. h3 {1-0 (27) Medrano,R (2065)-Lopez Saavedra,J (1672) Managua 2017}) 12. Bb2 $16 Nc6 13. Na3 h6 14. Nf3 Ng4 (14... Bg4 $16 {was worth a try.} 15. h3 e4) 15. Nc4 $18 f5 16. Ncxe5 Ncxe5 17. Nxe5 ({Don't do} 17. Bxe5 Nxe5 18. Nxe5 Bd6 $18) 17... Bf6 {[%cal Rg4e5]} 18. Qf3 Nxe5 19. Bxe5 Bxe5 20. Qd5+ {[%mdl 64] Double Attack. Accuracy: White = 83%, Black = 24%.} ({Less strong is} 20. Qxa8 Bxa1 21. Qd5+ (21. Rxa1 Be6 $18) 21... Kh7 $18) 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.22"]
[White "Pelaez, Diego"]
[Black "Carbone, Diego"]
[Result "0-1"]
[ECO "D86"]
[WhiteElo "1672"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,56,20,2,26,-29,-26,-42,0,0,41,0,0,-40,-49,-54,-54,-79,-67,-210,-222,-216,-217,-224,-213,-213,-219,-359,-316,-317,-223,-352,-341,-343,-328,-5422,-5422]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O Na5 11. Bd3 b6 12. Qd2 e5 {[%cal Re5d4] D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4} 13. d5 (13. Bg5 $142 f6 14. Be3) 13... f5 $11 {[#]} 14. Bh6 $146 ({Predecessor:} 14. Bg5 Qe8 15. f3 c4 16. Bc2 f4 17. Kh1 h6 18. Bh4 g5 19. Be1 Bd7 20. g3 {0-1 (48) Van Wely,L (2676)-Kamsky,G (2726) Dagomys 2008}) 14... fxe4 {Black is slightly better.} 15. Bxe4 Nc4 16. Qc1 Nd6 17. Bc2 Ba6 18. Bxg7 Kxg7 19. Re1 Qf6 $36 {[%mdl 2048] Black is more active.} 20. f3 {[#]} ({White should try} 20. Qe3 $15) 20... e4 $1 $19 {[%mdl 512]} 21. f4 (21. Bxe4 Nxe4) 21... Bxe2 22. Rxe2 Qxc3 23. g3 Rae8 24. Qd1 (24. Qe1 $142 Qd4+ 25. Kg2) 24... Qd4+ 25. Kg2 Nf5 26. Qe1 (26. Ba4 {might work better.}) 26... Qxd5 27. Rd1 Nd4 {[#] ...e3+ is the strong threat.} ({Don't take} 27... Qxa2 28. Bxe4 Qe6 29. Bf3 $19) 28. Bxe4 $2 (28. Bb3 $1 {[%mdl 512]} Qf5 (28... Nxb3 29. Rxd5) 29. Re3) 28... Rxe4 {Precision: White = 17%, Black = 76%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.23"]
[White "Muniz, Rafael"]
[Black "Bon, Charles"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2250"]
[BlackElo "1666"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,63,14,4,34,29,33,18,52,48,68,68,76,29,49,44,58,59,150,138,147,134,160,145,313,327,298,316,317,313,313,285,323,351,427,422,432,424,408,417,468,459,505,444,439,448,515,501,642,632,782,749]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Nc6 {B91: Sicilian Najdorf: 6 g3} (8... O-O 9. O-O b5 10. Nd5 Nbd7 11. Nec3 Nb6 12. Nxf6+ Bxf6 13. b3 Be6 14. Ba3 Qc7 15. Qd3 Rfc8 16. Bb4 a5 17. Nxb5 Qxc2 18. Qxc2 Rxc2 19. Bxd6 {½-½ (73) Vachier Lagrave,M (2778)-Wojtaszek,R (2749) Shenzhen 2018}) 9. h3 O-O 10. Be3 Be6 {The position is equal.} 11. Nd5 Bxd5 12. exd5 Nb8 13. c4 $146 ({Predecessor:} 13. Qd2 Nbd7 14. g4 Nb6 15. b3 Nfd7 16. Ng3 g6 {0-1 (46) Hoolt,S (2298)-Kazimova,N (2148) Gaziantep 2008}) 13... Nbd7 14. O-O Rc8 15. Rc1 Nc5 (15... Re8 $14) 16. b4 $16 Ncd7 {[#]} 17. c5 $1 {[%mdl 512]} Nb8 (17... dxc5 18. d6) 18. Qd2 dxc5 $2 (18... h5 $16 19. Rfd1 Re8) 19. bxc5 $18 Qd7 20. Rfd1 Rfe8 21. g4 h6 22. Ng3 Bf8 23. Qb2 Qb5 24. Qxb5 axb5 25. d6 e4 26. Rb1 b6 27. cxb6 {[%cal Bc5b6,Bb6b7][%mdl 32] White is clearly winning.} Rc6 28. Rxb5 Bxd6 29. Nf5 Bf8 30. a4 Nbd7 31. b7 Bc5 32. Rc1 {Accuracy: White = 88%, Black = 30%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.24"]
[White "Campora, Edgardo"]
[Black "Barreto, Ignacio C. de Barro"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "1663"]
[BlackElo "2212"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,67,-32,-87,-77,-85,-37,-39,-40,-39,-45,-97,-90,-219,-213,-220,-220,-218,-219,-195,-154,-153,208,208,212,193,204,175,270,268,715,709,695,675,671,649,585,625,429,0,0,0,0,0,0,0,0,0]} 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 Nc6 7. Nf3 Bg4 8. Be3 g6 9. h3 Bxf3 10. Qxf3 Bg7 11. Qd1 O-O 12. Rc1 (12. Be2 $15) 12... d5 $1 $17 {B04: Alekhine's Defence: 4 Nf3} 13. c5 Nc4 14. Bxc4 $1 (14. b3 Nxe3 15. fxe3 e5 16. Ne2 exd4 17. exd4 Nxd4 18. Kf2 Qh4+ 19. g3 Qf6+ 20. Kg1 {0-1 (29) Chatzipolitis,G (1769)-Velicka,P (2425) Aghios Kirykos 2018}) 14... dxc4 {Black is slightly better.} 15. Ne2 e5 16. d5 ({Better is} 16. dxe5 $15 Qa5+ 17. Nc3) 16... Nd4 $146 ({Predecessor:} 16... Nb4 17. Rxc4 Nxd5 18. O-O Nxe3 19. fxe3 Qxd1 20. Rxd1 {1-0 (77) Santos Filho,T (2076)-Baeta,M (2218) Rio de Janeiro 2006}) 17. Nxd4 (17. Nc3 $17) 17... exd4 $19 18. Bxd4 Qxd5 19. Bxg7 Qxg2 20. Bxf8 Qxh1+ 21. Kd2 Qxh3 $2 (21... Qe4 $1 $17 {[%cal Re4d3] keeps the pressure on. ( -> ...Qd3+)} 22. Kc3 Rxf8) 22. Rc3 $18 Qh4 23. Bd6 Qxf2+ {[#]} 24. Qe2 $1 {[%cal Re2f2]} Qd4+ (24... Qf6 $142 25. Kc2 (25. Rxc4 Qxb2+ {[%mdl 64] Double Attack} 26. Ke1 Qxe2+ 27. Kxe2 Rd8 $16) (25. Qxc4 Re8 $16) 25... Qf5+ 26. Kc1 b6 27. Rxc4 bxc5 28. Rxc5 Qd7) 25. Kc2 b5 $2 (25... Qd5 26. Rxc4 (26. Qxc4 Qc6 $16) 26... b6) 26. Re3 {Black must now prevent Re8+.} Qd5 27. Re8+ Rxe8 28. Qxe8+ {[%mdl 64] Double Attack} Kg7 {intending ...Qd3+.} 29. Be5+ Kh6 {[#]} 30. c6 $2 (30. Qf8+ $1 $18 Kg5 31. Qe7+ Kg4 32. Qd6 Qe4+ 33. Kd2) 30... Qd3+ $11 {The position is equal.} 31. Kc1 Qe3+ 32. Kd1 {White wants to mate with Bg7+!} Qf3+ 33. Kd2 Qd3+ 34. Kc1 {Accuracy: White = 53%, Black = 59%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.25"]
[White "Coppola, Claudio"]
[Black "Lima Abadal, Nicolas"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2209"]
[BlackElo "1656"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,47,-8,15,17,13,13,16,13,29,13,37,42,33,16,14,19,14,14,91,85,112,87,116,114,150,155,244,239,235,230,229,234,562,546,714,450]} 1. b3 Nf6 2. Bb2 g6 3. e4 Bg7 4. g3 d6 5. Bg2 e5 6. Ne2 O-O 7. O-O Nc6 8. d4 {A01: Nimzowitsch-Larsen Opening} (8. c4 Re8 9. d3 Ne7 10. d4 Nd7 11. Nbc3 exd4 12. Nxd4 Nc5 13. Qd2 Bd7 14. Rad1 Nc6 15. Nde2 a5 16. f3 {1-0 (50) Li,R (2517)-Kavutskiy,K (2365) Chicago 2016}) 8... exd4 9. Nxd4 Nxd4 10. Bxd4 {The position is equal.} Re8 11. Re1 c6 12. c4 Be6 $146 ({Predecessor:} 12... d5 13. exd5 Rxe1+ 14. Qxe1 cxd5 15. cxd5 Nxd5 16. Bxg7 Kxg7 {1-0 (41) Bonacic,N (2152)-Hozda,D (2039) Olomouc 2007}) 13. h3 d5 14. cxd5 cxd5 15. e5 Nh5 (15... Ne4 $11 {keeps the balance.}) 16. Nc3 $16 Qd7 17. Kh2 Rac8 18. Qf3 {[#] Black must now prevent g4.} Bh8 19. Rad1 a6 (19... b6 $16 {keeps fighting.} 20. Nxd5 Bxd5 21. Qxd5 Qe7) 20. Nxd5 $18 Bxd5 21. Qxd5 Qxd5 22. Bxd5 Rc2 $2 {[#]} (22... Ng7 {is a better chance.} 23. Bxb7 Rc2 24. Bxa6 Rxa2) 23. e6 f6 24. Bxb7 {Precision: White = 71%, Black = 40%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.26"]
[White "Vassallo, Julio"]
[Black "El Ters, Antouan"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1648"]
[BlackElo "2205"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,8,15,-21,-32,-28,-30,-23,-24,-40,-27,-34,-35,-37,-14,-44,-6,-16,-7,-23,-6,-162,-164,-168,-163,-167,-167,-219,-207,-222,-214,-206,-147,-164,-137,-133,-50,-108,-97,-129,-8,-144,-141,-129,-129,-201,-210,-211,-190,-185,-206,-242,-188,-154,-131,-117,-135,-155,-79,-148,-127,-213,-213,-304,-310,-552,-537,-492,-506,-479,-366,-497,-522,-488,-464,-457,-441,-414,-391,-29980,-29981]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 g6 5. d3 (5. Nf3 Bg7 6. Nxd4 cxd4 7. Qf3 f5 8. Ne2 Qa5 9. c3 dxc3 10. dxc3 Nf6 11. exf5 Qxf5 12. Qxf5 gxf5 13. Bf4 d6 14. Rd1 Bd7 15. O-O {1-0 (69) Wei,Y (2724)-Dubov,D (2661) Ningbo 2015}) 5... Bg7 6. f4 {B23: Closed Sicilian: Lines without g3} (6. Nf3 {looks sharper.} e6 7. Bf4 d6 8. O-O Ne7 9. Nxd4 cxd4 10. Ne2) 6... e6 7. Nf3 Ne7 8. Nxd4 {Black has an edge.} cxd4 9. Ne2 O-O 10. O-O d5 11. Bb3 dxe4 12. dxe4 b6 13. Ng3 Qc7 $146 ({Predecessor:} 13... Ba6 14. Rf2 Nc6 {½-½ (34) Santos Filho,T (2058)-Soares,J (1869) Rio de Janeiro 2017}) 14. Qe2 a5 {And now ...Ba6 would win.} 15. Qc4 $2 (15. Bc4 $11 {and White is okay.}) 15... Qa7 $1 $19 {...a4 is the strong threat.} 16. Ba4 Ba6 $36 {[%mdl 2048] Black has strong initiative.} 17. Bb5 Rfc8 18. Qd3 (18. Bxa6 $142 Rxc4 19. Bxc4) 18... Bxb5 {[%mdl 64] Overworked Piece} 19. Qxb5 Rxc2 20. Rf2 Rc5 21. Qd3 Rac8 22. Bd2 Nc6 ({Better is} 22... f5 $17 23. Re1 Qd7) 23. a3 (23. e5 $15) 23... e5 24. f5 a4 {[#]} (24... Nd8 $1 $17 {With the idea ...Rc4.} 25. h4 Qe7 26. fxg6 hxg6) 25. fxg6 (25. Nh5 $1 $11 {[%mdl 512] remains equal.}) 25... hxg6 $17 26. Raf1 {[#]} Nd8 $1 27. Bb4 (27. h4 $17) 27... Rc1 $19 28. h4 Ne6 29. Bd2 Rxf1+ 30. Qxf1 Qe7 31. h5 {intending h6.} Qh4 32. hxg6 fxg6 ({But not} 32... Qxg3 $2 33. gxf7+ Kf8 34. Bb4+ Rc5 35. Qb5 $18) 33. Qa6 Rf8 (33... Rc2 $142 34. Qxb6 Nf4) 34. Rxf8+ (34. Qxb6 $142 Rxf2 35. Kxf2) 34... Nxf8 $17 ({Resist} 34... Kxf8 35. Qc8+ Kf7 36. Qd7+ Qe7 37. Qxa4 $17) 35. Qc4+ {[#]} (35. Be1 $17) 35... Kh7 $1 $19 36. Qd3 (36. Be1 $142) 36... Ne6 37. Ne2 $2 (37. Qf3 {was necessary.}) 37... Nc5 38. Qf3 Nxe4 39. Bb4 Nc5 40. g3 Qh5 41. g4 Qh4 42. Bxc5 bxc5 43. Ng3 Qh3 44. Qd3 $2 (44. Qg2 $19 Qh6 45. Ne4) 44... e4 {Accuracy: White = 37%, Black = 46%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.27"]
[White "Hernandez Amura, Gilberto"]
[Black "Paz, Franco"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2199"]
[BlackElo "1647"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,12,32,23,59,43,50,31,110,102,128,121,120,118,138,100,162,114,130,156,170,127,185,181,235,193,187,154,153,141,167,117,120,0,182,160,939,942,887,414,873,404,731,668,630,637,971,971,1083,1083,1083,1083,1083,1083,1083,1074,1108,933,1358,1314,2699,2776,2057,1927,29987]} 1. d4 d5 2. Bg5 c6 3. e3 Nd7 (3... Bf5 4. Nf3 Nd7 5. c4 Ngf6 6. Nc3 e6 7. Bd3 Bxd3 8. Qxd3 Be7 9. O-O O-O 10. c5 e5 11. Qc2 h6 12. Bh4 Nh5 13. Bxe7 Qxe7 14. b4 e4 15. Nd2 f5 16. f4 g5 17. g3 gxf4 18. exf4 {1-0 (35) Korobov,A (2708)-Malakhov,V (2702) Sochi 2015}) 4. Nf3 h6 5. Bh4 Ngf6 6. c4 {D00: 1 d4 d5: Unusual lines} g5 7. Bg3 Ne4 8. cxd5 $146 {White is slightly better.} ({Predecessor:} 8. Nbd2 Nxg3 9. hxg3 Nf6 10. Be2 Bf5 11. Qb3 Qb6 12. Qxb6 axb6 {1-0 (78) Verich,O (1028)-Markova,S (1107) LSS email 2010}) 8... Nxg3 ({Black should play} 8... cxd5 $14 9. Nc3 Nxg3 10. hxg3 e6) 9. hxg3 $16 Qa5+ 10. Nc3 Bg7 11. dxc6 bxc6 12. Bd3 Ba6 (12... Rb8 $16 {is a better defense.}) 13. O-O Bxd3 14. Qxd3 Rd8 15. Qe4 Qb6 (15... c5 $16 {was worth a try.} 16. Rac1 e6) 16. Rac1 Nf6 (16... Qxb2 $142 17. Qxc6 O-O) 17. Qf5 Qxb2 18. Rc2 Qb7 19. Rb1 Qa6 20. Qc5 Nd7 {[#]} 21. Qf5 (21. Qb4 $1 $16) 21... Nf6 $18 22. Ne4 Rd5 $2 (22... Nxe4 $16 23. Qxe4 e6 24. Qxc6+ Qxc6 25. Rxc6 O-O) 23. Rb8+ Rd8 24. Rxd8+ Kxd8 25. Nc5 (25. Ne5 $142 e6 26. Nxf7+ {[%mdl 64] Double Attack} Ke7 27. Qg6) 25... Qb6 (25... Qc8 $142 26. Qd3 Ke8) 26. Rc1 {White is clearly winning.} e6 27. Qc2 Nd7 28. Rb1 Qc7 29. Rb7 Qc8 30. Rxd7+ Qxd7 31. Nxd7 Kxd7 32. Qa4 Ra8 33. Qa6 {[#] Threatens to win with Qb7+.} Kc7 34. Nd2 Bf8 35. Nc4 f6 36. Na5 Bg7 {Accuracy: White = 59%, Black = 42%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.28"]
[White "De la Torre, Andres"]
[Black "Lagar, Valentin Alejo"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1634"]
[BlackElo "2196"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,17,25,0,10,3,8,0,1,0,0,0,5,-8,-7,-17,-28,-76,-47,-46,-17,-16,0,-75,-90,-94,-79,-109,-68,-98,-63,-157,-157,-174,-155,-157,-157,-293,-296,-289,-283,-296,-289,-298,-298,-390,-321,-320,-302,-324,-325,-356,-344,-499,-445,-536,-562,-531,-551,-550,-543,-516,-512,-573,-437,-650,-414,-455,-472,-838,-837,-766,-766,-1563,-1158,-29985,-29986,-29992,-29993,-29995,-29996]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bg4 4. d3 Nbd7 5. h3 (5. Nbd2 e5 6. h3 Bh5 7. g4 Bg6 8. Nh4 c6 9. e3 Bd6 10. Qe2 Qe7 11. a3 Nc5 12. Nf1 Nfd7 13. Nxg6 hxg6 {0-1 (37) Duda,J (2717)-Sjugirov,S (2650) Riadh 2017}) 5... Bxf3 6. Bxf3 {A07: Réti Opening: New York and Capablanca Systems} e5 7. Nc3 c6 8. O-O {The position is equal.} d4 $146 ({Predecessor:} 8... Be7 9. e4 dxe4 10. Nxe4 Nxe4 11. dxe4 O-O 12. h4 Qc7 13. Qe2 {1-0 (41) Omar,N (2356)-Kojima,S (2408) Batumi 2018}) 9. Ne4 Nxe4 10. Bxe4 Bc5 11. Qd2 O-O 12. b4 Bb6 13. f4 f5 14. Bg2 Qe7 15. a4 exf4 16. gxf4 (16. Qxf4 $11 Rac8 17. Rb1) 16... a5 $36 {[%mdl 2048] Black is in control.} 17. b5 Rf6 18. Ba3 Bc5 19. bxc6 Bxa3 20. cxd7 {[#]} ({Better is} 20. cxb7 $15 Ra7 21. c3) 20... Bb4 $1 {[%cal Rb4d2]} 21. Qd1 Qxd7 22. e4 dxe3 23. Qf3 (23. c3 $17 {is the only way for White.} e2 24. Qxe2 Bxc3 25. Rab1) 23... Re8 $19 24. Qe2 b6 25. c4 Bc5 26. Rf3 Rd6 27. Rg3 Bd4 28. Ra2 Rh6 29. Kh2 Qd6 30. Qf3 Kh8 31. Rg5 (31. Re2 {keeps fighting.}) 31... Rf8 32. Kg3 Bf6 33. Rh5 Rxh5 34. Qxh5 Qxd3 {aiming for ...e2+.} 35. Qe2 Qd4 36. Bd5 Re8 37. Kf3 (37. h4 $142) 37... Qc3 38. Rc2 Qa1 39. Ra2 (39. Kg2 $142 Qxa4 40. Rc1) 39... Qh1+ 40. Kg3 Qg1+ 41. Kf3 Qg6 {Threatens to win with ...Bh4.} 42. Rc2 Bh4 {[%csl Gh4][%cal Rg6g3] Black mates.} 43. Qh2 {[#]} e2 $1 44. Rxe2 Qh5+ {Accuracy: White = 22%, Black = 67%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.29"]
[White "Fiora, Emilio"]
[Black "Rey Besada, Fernando"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2190"]
[BlackElo "2135"]
[Annotator "ChessBase"]
[PlyCount "33"]
[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. a3 Bf8 5. Nf3 b6 6. Bd3 Ba6 7. Bxa6 Nxa6 8. Qe2 Nb8 9. exd5 Qe7 10. Ne5 Nf6 11. Bg5 h6 12. Qb5+ Kd8 13. Bf4 Qe8 14. Qb3 Bd6 15. dxe6 Qxe6 16. Qxe6 fxe6 17. Nf7+ {Ng8} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.30"]
[White "Palacio, Enzo"]
[Black "Benoit, Rodrigo"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "1626"]
[BlackElo "2189"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,160,72,43,74,49,70,33,49,0,0,-2,0,0,0,0,17,13,9,17,52,40,54,43,42,41,61,38,53,36,36,16,16,16,16,16,16,16,16,25,25,13,25,19,18,0,16,18,43,43,45,8,39,1,34,0,0,0,0,0,6,-26,-29,-32,-32,-33,-25,-91,-54,-34,-22,-53,-40,-120,-108,-84,-81,-98,-72,-72,-82,-116,-91,-108,-102,-96,-124,-123,-46,-65,-74,-87,0,-28,-20,-241,-132,-132,-84,-491,-454,-413,-110,-96,-86,-197,-8,-103,-9,-22,0,-119,-119,-119,-119,-570,-497,-475,-119,-281,-198,-1861,-8,-8,-8,-29972,-29973,-29973,-29974,-29974,-29975,-29976,-29977,-29977,-29977,-29977,-29973,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29980,-29981,-29980]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c4 Nf6 5. Nc3 O-O 6. Be2 c5 7. d5 Na6 8. O-O Nc7 9. Qc2 Rb8 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} (9... a6 10. a4 b6 11. h3 Rb8 12. Bf4 Bd7 13. e5 Nfe8 14. Bd3 b5 15. axb5 axb5 16. b3 Rb6 17. Rfe1 {½-½ (26) Sygulski,B (2355)-Gritsak,O (2500) Zakopane 2000}) 10. Bf4 $146 ({Predecessor:} 10. a4 b6 11. h3 a6 12. Bf4 Bd7 13. e5 Nfe8 14. Rab1 b5 15. b3 Qc8 16. Rfe1 dxe5 17. Nxe5 bxc4 18. bxc4 Rxb1 19. Rxb1 Nd6 20. Nxd7 Qxd7 21. Bd3 {½-½ (21) Grochowalski,P (2132)-Stolarczyk,A (2191) Wloclawek 2006}) 10... Bd7 11. Nd2 Nfe8 {White is slightly better.} 12. a4 e5 13. dxe6 Nxe6 14. Be3 N8c7 15. Nf3 Qe7 16. Rad1 Bc6 17. Rfe1 Rfd8 18. Nd5 Qf8 19. b3 Re8 20. Bf1 b6 21. Qd2 Na6 22. g3 Rbd8 23. Bg2 Nec7 24. Bg5 f6 25. Bf4 Nxd5 26. exd5 Bd7 27. Rxe8 Rxe8 28. Re1 Rxe1+ 29. Qxe1 Nb4 30. Qe2 Kf7 31. Nd2 f5 32. Nf3 {[%cal Bd2f3,Bf3e1,Be1d3][%mdl 32]} h6 33. Bd2 a5 34. Ne1 (34. h4 {keeps more tension.} Qe7 35. Qd1 Na2 36. Be3 Nc3 37. Qd2) 34... Qe7 (34... Qh8 {feels hotter.} 35. Qe3 g5 36. h4 Bd4 37. Qf3 Bf6) 35. Kf1 (35. Qxe7+ {with more complications.} Kxe7 36. h4 Na2 37. Kf1 Kf7 38. Ke2) 35... Qxe2+ 36. Kxe2 g5 37. f4 Kg6 38. Nd3 Nc2 39. Nc1 Bb2 40. Nd3 Bd4 41. h3 (41. Nc1 $11) 41... Ba1 {White must now prevent ...Nd4+.} 42. Nc1 Bb2 43. Nd3 Nd4+ 44. Kd1 (44. Ke3 $15 Nc2+ 45. Ke2 Nd4+ 46. Ke3 gxf4+ 47. gxf4 (47. Nxf4+ Kf7 $17)) 44... Ba3 $17 45. fxg5 hxg5 46. h4 gxh4 47. gxh4 Nxb3 48. Bf4 Bxa4 49. Bxd6 Nc1+ $1 50. Kd2 Nxd3 51. Kxd3 {[%mdl 4096] Endgame KBB-KBB} Kh5 ({Black should play} 51... b5 $1 $17 {And now ...Bb3 would win.} 52. Bc7 b4) 52. Bh3 $15 Bd7 53. Be7 Bb4 (53... Bb2 $17) 54. Bd8 a4 {Threatens to win with ...a3.} 55. Bg2 $2 (55. Kc2 $11 {and White stays safe.}) 55... b5 (55... a3 $19 56. Bf3+ Kh6 57. Bg5+ Kg6) 56. Bf3+ $17 Kh6 57. cxb5 $2 {[%mdl 8192]} (57. Bg5+ $17 {is a better chance.} Kg6 58. Bd1) 57... Bxb5+ $19 58. Kc2 Kg6 $2 (58... a3 $19 59. Kb3 Kg7) 59. h5+ $17 Kh7 $1 60. Bf6 (60. Be7 $17) 60... Bd7 $2 (60... c4 $1 $19 61. Kb1 Bd6) 61. Kb2 (61. Be5 $11) 61... Be1 (61... c4 $17 62. Be2 Bb5) 62. Be2 Bf2 63. Bd1 {[#]} (63. Bg5 $11) 63... Bd4+ $1 64. Bxd4 cxd4 {[%cal Bc5d4,Bd4d3][%mdl 32] KB-KB} 65. Ka3 $2 {[%mdl 8192]} (65. d6 $17 {is tougher.}) 65... d3 $19 66. Kb2 f4 $2 (66... Kh6 $19 {is more deadly.} 67. d6 d2) 67. Kc3 $2 {[#]} (67. d6 $17 {was the only chance.}) 67... a3 $1 68. Bb3 $2 (68. d6) 68... Kh6 $2 ({Better is} 68... Bb5 $19 {Hoping for ...f3.} 69. d6 f3) 69. Kxd3 $11 Kxh5 {...Ba4! is the strong threat.} (69... f3 $5 70. Ke3 $8 Bg4 $11) 70. Bd1+ $2 {[%mdl 8192]} (70. Kc3 $11) 70... Kg5 {Black mates.} 71. Kc3 Kf6 72. Bf3 Ba4 73. Bg2 Ke5 74. Bh1 Bd1 75. Bg2 Be2 76. Bh1 a2 77. Kb2 Bc4 78. d6 Kxd6 79. Bf3 Ke5 80. Bg4 Kd4 {Precision: White = 26%, Black = 46%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.31"]
[White "Hurtado Bahamonde, Rodrigo"]
[Black "Pena Perez, Luis Eduardo"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2172"]
[BlackElo "2099"]
[Annotator "ChessBase"]
[PlyCount "47"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Nc6 7. Be2 e6 8. O-O Be7 9. Be3 O-O 10. Kh1 Bd7 11. f4 Nxd4 12. Qxd4 Bc6 13. b4 d5 14. b5 axb5 15. cxb5 Bd7 16. exd5 exd5 17. Nxd5 Nxd5 18. Qxd5 Ra3 19. Bc5 Bxc5 20. Qxc5 Qa5 21. Rad1 Be6 22. f5 b6 23. Qe7 Bxa2 24. Rd8 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.09"]
[Round "1.32"]
[White "Milan, Julio"]
[Black "Sarquis, Maria Belen"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1614"]
[BlackElo "2164"]
[Annotator "ChessBase"]
[PlyCount "56"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4 Bb6 6. h3 d6 7. d3 h6 8. Nbd2 Ne7 9. Nf1 Ng6 10. a4 c6 11. Be3 O-O 12. Qd2 d5 13. exd5 cxd5 14. Bxb6 Qxb6 15. Bb3 Be6 16. Ng3 Rac8 17. O-O Rc7 18. Rac1 Rfc8 19. Rfe1 Qd6 20. Ne2 a5 21. b5 Nh5 22. Ng3 Nhf4 23. Nxe5 Nxh3+ 24. gxh3 Nxe5 25. Kg2 Ng6 26. Nh5 Nh4+ 27. Kh1 Nf3 28. Qe3 Qh2# 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.1"]
[White "Sarquis, Maria Belen"]
[Black "Mareco, Sandro"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2164"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,80,0,-1,-20,-18,-33,6,-83,-65,-76,-67,-77,-17,-122,-119,-187,-145,-166,-158,-179,-172,-172,-177,-167,-172,-214,-204,-204,-193,-208,-214,-221,-209,-213,-218,-235,-203,-302,-303,-335,-309,-318,-240,-250,-241,-250,-240,-247,-247,-337,-282,-407,-405,-617,-607,-708,-703,-720,-718,-710,-706,-695,-699,-886,-894,-1306,-708,-29987,-924]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. a4 Nf6 8. Be2 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} Bb4 9. Nxc6 (9. f3 d5 10. Nxc6 bxc6 11. O-O Bd6 12. h3 O-O 13. a5 Nh5 14. Bb6 Qb8 15. Bf2 Qxb2 {0-1 (26) Cabrera Huaman,R (1942)-Malakhatko,V (2545) Arica 2018}) 9... Qxc6 10. Qd4 $146 {[#]} (10. O-O $11) ({Predecessor:} 10. Bd2 Nxe4 11. Bf3 Bxc3 12. Bxc3 Nxc3 13. Bxc6 Nxd1 14. Rxd1 bxc6 15. O-O O-O {0-1 (30) Calvo Cobas,J-Paredes Cordo,J (2243) Villagarcia de Arosa 2002}) 10... Qxe4 $1 $17 11. Qd2 Qc6 12. Bf3 Qc7 (12... d5 $17 13. Bd4 Bc5) 13. h4 (13. O-O $11) 13... d5 {Strongly threatening ...e5.} 14. h5 (14. O-O $17 {might work better.}) 14... h6 15. Kf1 O-O 16. g4 Nd7 17. g5 Ne5 18. Be2 Nc4 19. Qd4 Nxe3+ 20. Qxe3 Bc5 21. Qd2 hxg5 22. Qxg5 Be7 23. Qg2 Bd7 24. Rg1 {[%csl Gg1][%cal Rg2g7]} Bf6 25. h6 (25. Qg4 $142) 25... g6 $19 26. Bd3 Kh8 27. Qf3 Be5 28. Re1 Rad8 (28... Bxc3 29. bxc3 Qd8 30. c4 $17) 29. Rg5 Bf4 ({Not} 29... Bxc3 30. bxc3 Qxc3 31. Rg3 $17) 30. Rg2 Bc6 ({But not} 30... Bxh6 31. Qf6+ Bg7 32. Qh4+ Kg8 33. Re3 $17) 31. Qh3 e5 {Threatens to win with ...e4.} 32. Qh4 (32. Ne2 $142 e4 33. Nxf4 Qxf4 34. Bxa6) 32... g5 33. Qh5 (33. Rxg5 $142 Bxg5 34. Qxg5) 33... e4 34. Be2 d4 35. Nd1 d3 36. cxd3 exd3 {[%mdl 64] Discovered Attack} 37. Bf3 d2 38. Re2 Bxa4 39. Re4 Bc6 40. Rc4 Bb5 {[%mdl 32768] Accuracy: White = 34%, Black = 73%. . Loss on time!?} (40... Bxf3 $142 41. Qxf3 Qxc4+ 42. Kg1 Rfe8 43. Rg3 Re1+ 44. Kg2 Qf1+ 45. Kh2 Bxg3+ 46. Kxg3 Rd3 47. Ne3 {[#]} Rexe3 $1 {[%mdl 576] Promotion} 48. fxe3 Qxf3+ 49. Kxf3 d1=Q+ 50. Kf2 Rd2+ {[%mdl 64] Double Attack} 51. Kg3 Qg1+ {[%mdl 64] Double Attack} 52. Kh3 Rh2#) 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.2"]
[White "Felgaer, Ruben"]
[Black "Curi, Gabriel"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2562"]
[BlackElo "2159"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,59,37,31,47,42,57,25,31,6,17,10,46,0,19,-4,-4,-17,-11,-41,-19,-44,-16,-74,-43,-22,-24,-26,-34,-68,-53,-66,-43,-95,-68,-144,-158,-147,-133,-129,-137,-160]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Bd3 f6 8. exf6 Nxf6 9. O-O cxd4 10. cxd4 Bd6 11. b3 O-O {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} 12. Bb2 Qb6 (12... Bd7 13. a3 a5 14. Ne5 Be8 15. Qf3 Ne4 16. Qh3 Ng5 17. Qe3 Qe7 18. f4 Nf7 19. Ndf3 Bxe5 20. dxe5 {1-0 (38) Caspi,I (2484)-Gleizerov,E (2513) Suwalki 2018}) 13. a3 a5 {White has an edge.} 14. Qc2 Bd7 $146 ({Predecessor:} 14... Bf4 15. Bc3 Bd7 16. Rfe1 Rfc8 17. Qb2 {1-0 (42) Huerta,D (2353)-Medina Garcia,M (1963) Merida 2008}) 15. Rae1 Ne7 {[%cal Bc6e7,Be7f5,Bf5d6][%mdl 32]} 16. Kh1 Nf5 17. Re2 Rac8 18. Qb1 Bf4 19. Qd1 Nd6 (19... a4 $5) 20. a4 {[#]} Bxa4 $1 {[%mdl 512]} 21. Ba3 (21. bxa4 $11 {remains equal.} Qxb2 22. Rxe6) 21... Bb5 22. Bxb5 Qxb5 23. Rxe6 Rfd8 24. Bxd6 Bxd6 25. Qb1 Bf4 26. Rfe1 ({White should play} 26. Qf5 $15 Bxd2 27. Nxd2) 26... Qb4 27. Qd3 {[#]} (27. R6e2 $15) 27... Bxd2 $1 $17 28. Qxd2 Qxd2 29. Nxd2 Rc2 30. R6e2 {Accuracy: White = 23%, Black = 52%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.3"]
[White "Trois, Francisco R.T."]
[Black "Hernandez Guerrero, Gilberto"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2152"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,64,0,-9,25,-3,0,0,1,0,14,29,22,27,26,18,93,87,111,0,0,-3,0,-18,0,12,32,-13,-8,-10,-11,-9,0,0,0,0,0,-8,0,-22,-22,-148,-163,-515,-488,-602,-593,-570,-528,-523,-510]} 1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. e3 Nf6 5. d4 O-O 6. Be2 cxd4 7. Nxd4 d5 8. cxd5 Nxd5 9. O-O Nb4 $146 {E61: King's Indian: Early deviations for White, including Smyslov System} ({Predecessor:} 9... Nxc3 10. bxc3 Nc6 11. Ba3 Bd7 12. Rb1 Qc7 13. Qb3 b6 14. Rfd1 Rfe8 15. Nb5 Qc8 16. Bf3 Na5 17. Qb4 {0-1 (44) Peptan,C (2399)-Muzychuk,A (2576) Medias 2017}) 10. Qb3 N8c6 11. Nxc6 Nxc6 {The position is equal.} 12. Rd1 Qa5 13. Bd2 Rd8 14. Be1 Rxd1 15. Rxd1 Rb8 (15... Qb6 $11) 16. Bc4 $1 $16 e6 17. Nd5 (17. Ne4 $16 Qe5 18. Bb5) 17... Qc5 $11 18. Nf4 b5 19. Be2 a5 20. Nd3 Qb6 21. Bc3 e5 {Threatens to win with ...Be6.} 22. Qc2 Be6 {White must now prevent ...b4.} 23. b3 Rc8 {...e4 is the strong threat.} 24. Qd2 Bf5 25. Ba1 h5 26. Qb2 Kh7 27. Rc1 Bh8 {Hoping for ...e4.} 28. Qd2 {[#]} (28. Ne1 $11 {keeps the balance.}) 28... Rd8 $1 $17 {Strongly threatening ...Nb4!} 29. Qc3 $2 {[#]} (29. Bc3 {is more resistant.}) 29... Bxd3 $1 $19 {Black is clearly winning.} 30. Bxd3 {[#]} e4 $1 {[%mdl 576] Discovered Attack} 31. Qxc6 (31. Bxe4 Bxc3) 31... Qxc6 32. Rxc6 exd3 {Accuracy: White = 49%, Black = 60%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.4"]
[White "Alonso, Salvador"]
[Black "Munoz Perez, Rolando"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2502"]
[BlackElo "2130"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 b6 9. Ba2 Bb7 10. dxe5 dxe5 11. Nh4 g6 12. Bh6 Re8 13. Qf3 Bf8 14. Bg5 Bg7 15. Rad1 Qe7 16. Rxd7 Qxd7 17. Bxf6 Bxf6 18. Qxf6 Qe7 19. Qxe7 Rxe7 20. Rd1 a6 21. Nf3 Kg7 22. Ng5 f6 23. Ne6+ Kh8 24. Rd6 Rc8 25. f3 a5 26. Bc4 h6 27. Kf2 Kh7 28. Ke3 h5 29. Nd8 Ba8 30. Ba6 Rcc7 31. Ne6 Ra7 32. Bc4 Kh6 33. Rd8 Bb7 34. Rh8+ Rh7 35. Rf8 Ra8 36. Rxf6 Re8 37. h4 Rhe7 38. Ng5 Kg7 39. Rd6 Rb8 40. Ne6+ Kh6 41. Nd8 c5 42. Nf7+ Kg7 43. Rxb6 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.5"]
[White "Guerrero, Alvaro"]
[Black "Tristan, Leonardo"]
[Result "1/2-1/2"]
[ECO "E00"]
[WhiteElo "2096"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,141,4,34,3,18,0,36,32,35,33,33,30,48,44,38,18,58,39,67,54,42,51,61,39,84,28,53,17,50,0,0,-16,3,-96,-89,-93,-81,-172,-143,-152,-145,-162,-141,-141,-135,-235,-230,-337,-316,-323,-131,-175,-108,-178,-177,-178,-181,-180,-167,-180,-179,-202,-192,-216,-192,-192,-174,-216,-192,-192,-188,-198,-181,-192,-181,-216,-216,-209,-209,-216,-216,-216,-181,-183,-188,-188,-188,-181,-181,-195,-195,-492,-495,-544,-178,-627,-407,-719,-681,-1101,-1084,-1361,-1060,-953,-297,-303,-304,-29982,-29983,-29983,-29956,-29950,-29952,-10747,-7425,-6291,-6291,-6291,-6291,-5014,-1573,-2168,-1090,-1526,-1501,-1112,-129,-371,-41,-42,-42,-43,-41,-8]} 1. d4 e6 2. c4 Bb4+ 3. Nc3 c5 4. e3 Nc6 (4... b6 5. Nge2 Bb7 6. a3 Ba5 7. Bd2 Bxc3 8. Bxc3 Nf6 9. Ng3 cxd4 10. Qxd4 Nc6 11. Qf4 Qe7 12. O-O-O {0-1 (37) Hillarp Persson,T (2509)-Short,N (2688) Helsingor 2017}) 5. Nf3 d6 6. Bd3 {A40: Unusual replies to 1 d4} e5 {[%cal Rc5d4]} 7. d5 Nce7 8. e4 {White is slightly better.} Bxc3+ 9. bxc3 h6 10. O-O $146 ({Predecessor:} 10. Nd2 Ng6 11. g3 Bh3 12. Nf1 {½-½ (23) Wallis,C (2283)-Johansen,D (2441) Cammeray 2013}) 10... g5 11. Ne1 Ng6 {[%cal Be7g6,Bg6f4,Bf4h3][%mdl 32]} 12. Nc2 Qf6 13. Ne3 N8e7 14. Rb1 Nf4 15. Bc2 h5 16. Ba4+ Kd8 17. Rb2 (17. f3 $16) 17... Kc7 18. f3 Qg6 19. g3 Nh3+ 20. Kh1 g4 21. fxg4 (21. Ng2 $1 $11) 21... hxg4 $17 22. Bc2 Ng5 23. Nf5 (23. Bb1 $17) 23... Nf3 24. Rxf3 gxf3 25. Qxf3 Nxf5 26. exf5 Qh5 {[%csl Gh8][%cal Rh5h2]} 27. Qf2 (27. Qxh5 $17 Rxh5 28. h4) 27... Qg4 $19 28. Kg2 (28. Bd3 {was worth a try.}) 28... Bd7 ({Less strong is} 28... Qxc4 29. Qf3 $19) 29. Bd3 e4 (29... Rh3 $19 {has better winning chances. Hoping for ...Rah8.} 30. Qe2 Bxf5 31. Qxg4 Bxg4) 30. Bf1 Qxf5 (30... Rag8 $19 31. f6 Qd1) 31. Bf4 (31. Qxf5 $17 Bxf5 32. h4) 31... b6 32. Kg1 Rae8 33. Qe3 Qh5 34. Rf2 Bg4 35. Bg5 Bf3 36. Bf4 f5 37. h4 Reg8 {White must now prevent ...Qxh4.} 38. Rh2 Qg4 {And now ...Rxh4 would win.} 39. Kf2 Qg7 40. Ke1 Qf6 41. Rh3 Re8 42. Bg5 Qf7 43. Rh2 Qd7 44. Rd2 Kb7 45. Bf4 a6 46. Kf2 Reg8 47. Ke1 Qe7 48. Rh2 Rg6 49. Rf2 Qg7 50. Rb2 $2 (50. Rxf3 {might work better.} exf3 51. Qxf3) 50... Rg8 51. Bg5 Ka7 $2 (51... Rxg5 52. hxg5 Qe5) 52. Bf4 $2 (52. Be2) 52... Qe7 53. Rf2 (53. Qf2 $142) 53... Rxg3 54. Bxg3 Rxg3 55. Qf4 Qg7 56. Rc2 Bd1 $2 (56... Rg4 57. Qxf5 Rxh4) 57. Kxd1 Rf3 58. Qh2 $2 (58. Qg5 $19 Rxf1+ 59. Ke2 Qxg5 60. hxg5) 58... Rxf1+ {[%mdl 4096] Endgame KQR-KQR} 59. Ke2 Rg1 60. Kf2 {[#]} e3+ $1 {[%mdl 576] Decoy} 61. Kxe3 Qe7+ 62. Kf2 Qe1+ 63. Kf3 Qf1+ 64. Ke3 Rg4 {( -> ...Re4+)} 65. Re2 Qc1+ {[%mdl 64] [#] Double Attack} 66. Kd3 Qd1+ 67. Rd2 Qf3+ $2 (67... Qb1+ 68. Rc2 b5) 68. Kc2 Rxc4 $2 (68... Rg3 $19 69. Kb1 Qxc3) 69. Rd3 $15 {Black is slightly better.} Qf4 70. Qxf4 Rxf4 71. Rh3 $1 {Accuracy: White = 42%, Black = 49%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.6"]
[White "Rodriguez Vila, Andres"]
[Black "Arcos Facio, Mateo"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2486"]
[BlackElo "2107"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,84,41,37,39,22,39,38,88,-20,82,61,55,57,75,74,143,143,195,160,153,131,194,186,209,202,196,190,183,193,195,181,170,177,231,238,258,244,251,213,225,217,210,208,201,167,389,394,499,504,595,595,575,589,554,482,495,473,502,429,765,737,896,825,908,757,741,746,689,514,499,215,29998,29999,29999]} 1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. Be3 a6 5. f3 Nd7 6. Qd2 b5 7. Nge2 Bb7 {B06: Modern Defence} 8. d5 Ne5 9. Nd4 Qd7 $146 {White is slightly better.} ({Predecessor:} 9... Nf6 10. a4 bxa4 11. Be2 c6 12. dxc6 Nxc6 13. Nxa4 Nd7 {0-1 (63) Kristjansson,S (2438)-Speelman,J (2548) Caleta 2005}) 10. f4 (10. a4 $16) 10... b4 (10... Ng4 $11) 11. Nd1 c5 12. fxe5 cxd4 13. Qxd4 {[#] Hoping for e6.} dxe5 ({Better is} 13... Bxe5 14. Qxb4 Nf6) 14. Qxb4 $16 f5 (14... Nf6 $16 {was worth a try.} 15. Nf2 O-O) 15. Nc3 $36 {[%mdl 2048] White is in control.} Nf6 16. Na4 Nxe4 (16... Qc7 $16) 17. Nb6 $1 $18 {[%csl LRa8,LRd7][%mdl 64] [#] Double Attack} Qd6 18. Qxd6 exd6 19. Nxa8 Bxa8 20. Bxa6 Bxd5 21. O-O Ke7 22. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} f4 (22... Rb8 $142 23. c4 Ba8) 23. Bb6 g5 24. a5 g4 25. Be2 h5 26. c4 Ba8 27. Ra3 Ng5 28. b4 Rf8 $2 (28... Ne6 29. b5 e4) 29. c5 f3 30. cxd6+ Ke6 31. Bc4+ Kd7 32. Bb5+ Kxd6 33. Bc5+ Ke6 34. Bc4+ Kf5 35. h4 Nh3+ (35... gxh3 $142 36. gxf3 Rc8 37. Bd3+ Ke6) 36. gxh3 e4 37. a6 Rd8 38. Ra5 Kf4 39. hxg4 hxg4 40. Be6 g3 {...e3 is the strong threat.} 41. Re1 (41. Bb6 $142 {Rf5+ would kill now.} Be5 42. Bxd8 Bd4+ 43. Kh1 (43. Rf2 {is a self mate.} Bxf2+ 44. Kf1 g2+ 45. Kxf2 e3+ 46. Kg1 f2+ 47. Kh2 g1=Q+ 48. Kh3 f1=Q#) 43... g2+ 44. Kh2 gxf1=N+ 45. Kh3) 41... e3 $2 (41... Rd4 $18 42. Ba7 f2+ 43. Kf1 fxe1=Q+ 44. Kxe1 e3 45. Bxd4 Bxd4) 42. Bxe3+ Ke4 43. Bf5# {Accuracy: White = 76%, Black = 32%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.7"]
[White "Meza, Anahi"]
[Black "Ricardi, Pablo"]
[Result "0-1"]
[ECO "E56"]
[WhiteElo "2058"]
[BlackElo "2479"]
[Annotator "ChessBase"]
[PlyCount "54"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nf3 O-O 6. Bd3 d5 7. O-O Nc6 8. a3 Ba5 9. cxd5 exd5 10. dxc5 Bxc3 11. bxc3 Qa5 12. Qc2 Qxc5 13. a4 Re8 14. Ng5 g6 15. Ba3 Qb6 16. Rab1 Qc7 17. f4 Rxe3 18. f5 Ng4 19. g3 Nce5 20. fxg6 hxg6 21. Bxg6 fxg6 22. Qg2 Re4 23. Rf8+ Kg7 24. Qh3 Nh6 25. Rxc8 Qxc8 26. Ne6+ Qxe6 27. Rxb7+ Nef7 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.8"]
[White "Salinas Herrera, Pablo"]
[Black "Vazquez, Facundo"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2477"]
[BlackElo "2019"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,73,18,13,31,16,31,25,39,32,35,29,125,127,137,136,134,146,146,144,240,231,229,225,235,150,172,175,162,172,197,146,177,148,139,125,175,178,196,176,214,214,239,256,350,260,404,360,344,347,1656,660,1397,612,639,632,693,691,614,463,1520,1497,940,764,747,739]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. b4 O-O 6. c4 c6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6... a5 7. b5 c5 8. Bb2 Nbd7 9. Be2 b6 10. O-O Bb7 11. Rc1 Rc8 12. cxd5 Bxd5 13. Bc4 Bb7 14. Qe2 {1-0 (45) Inarkiev,E (2690)-Wei,Y (2735) Magas 2018}) 7. Be2 Nbd7 8. O-O e5 {White has an edge.} 9. Nxe5 Nxe5 10. dxe5 Nd7 (10... Ne4 $11 {remains equal.}) 11. f4 $16 Qb6 12. Qb3 a5 13. cxd5 cxd5 14. Ba3 Re8 $146 {[#]} (14... axb4 $16 {keeps fighting.} 15. Bxb4 Nc5) ({Predecessor:} 14... axb4 15. Bxb4 Nc5 {1-0 (80) Panchenko,A (2240)-Krajnak,M Bratislava 1991}) 15. bxa5 $1 $18 Qxa5 16. Bb4 Qb6 17. Rac1 Bf8 18. Bxf8 Qxb3 19. axb3 Kxf8 20. Bb5 (20. Nf3 $18) 20... Ra5 $16 21. Bxd7 Bxd7 22. Nf3 Bb5 23. Ra1 Rxa1 24. Rxa1 $18 {[%mdl 4096] Endgame KRB-KRN} Rc8 25. Nd4 Ba6 26. Kf2 Rc3 27. g4 Ke7 (27... Rc8 {was worth a try.} 28. Ra5 Rd8) 28. Ra5 Bd3 29. f5 ({But not} 29. Rxd5 Be4 $18) 29... Be4 $2 (29... gxf5 30. gxf5 Rc8 31. Rxd5 Ra8) 30. Ra7 (30. f6+ $142 Kd7 31. Ra7 Rc2+ 32. Nxc2) 30... Rc7 31. Kg3 (31. f6+ $142 Kd7 32. Ra8) 31... gxf5 32. gxf5 Bd3 33. f6+ Kd7 34. Ra8 {e6+! is the strong threat.} Rc1 {[#]} (34... Bg6 $142 35. Rb8 b6 36. Rxb6 Kc8) 35. e6+ $1 {[%mdl 512]} fxe6 36. f7 Rg1+ 37. Kh4 {Accuracy: White = 65%, Black =  9%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.9"]
[White "Torella, Rodolfo"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2022"]
[BlackElo "2461"]
[Annotator "ChessBase"]
[PlyCount "66"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. b3 Nc6 3. Bb2 e6 4. Nf3 a6 5. g3 d5 6. exd5 exd5 7. Qe2+ Qe7 8. Qxe7+ Ngxe7 9. a3 f6 10. Bg2 Bf5 11. d3 Rd8 12. Nbd2 Kf7 13. Nh4 Be6 14. Nhf3 Nf5 15. O-O-O h5 16. h3 h4 17. g4 Nfe7 18. g5 Ng6 19. Rde1 Be7 20. gxf6 gxf6 21. d4 cxd4 22. b4 d3 23. cxd3 Nf4 24. Bf1 Bf5 25. d4 Rc8 26. Kd1 a5 27. b5 Nb8 28. Re3 Rc2 29. Bc3 Rc8 30. Nxh4 Bh7 31. Nb1 Ra2 32. Nd2 Bxa3 33. Ng2 Ra1+ 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.10"]
[White "Bitelmajer, Martin"]
[Black "Gaye, Gustavo"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2453"]
[BlackElo "1984"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,59,54,29,34,31,34,16,52,31,56,50,61,10,19,0,0,0,0,-10,133,108,96,89,250,103,117,85,92,106,420,381,408,268,262,217,212,0,65,14,234,222,366,368,497,487]} 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Nf3 Nf6 6. Bb5+ Bd7 7. a4 O-O 8. O-O Na6 9. Re1 Bxb5 {A43: Schmid Benoni} 10. Nxb5 Nc7 11. Na3 b6 $146 {The position is equal.} ({Predecessor:} 11... e6 12. Bg5 exd5 13. exd5 Qd7 14. Bxf6 Bxf6 15. Nc4 Rfe8 16. Rxe8+ Rxe8 17. Qd3 Bg7 18. h3 b6 19. c3 Bf8 20. h4 Qg4 21. Rd1 Qe4 22. Kf1 Qg4 {½-½ (22) Gdanski,J (2540)-Markowski,T (2525) Krynica 1998}) 12. Nc4 Rb8 13. c3 a6 14. Bd2 (14. h3 $14) 14... Qd7 $11 15. b4 b5 16. axb5 axb5 17. Na5 Ra8 {[#]} (17... c4 $11) 18. bxc5 $1 $16 dxc5 19. Ne5 $36 {[%mdl 2048] White has strong initiative.} Qc8 $2 (19... Qd6 $16) 20. Nec6 (20. Nac6 $18 {has better winning chances.} Re8 21. Qf3) 20... Re8 21. Qc2 Ra6 22. c4 {Hoping for cxb5.} Nxe4 $2 {[%mdl 8192] [#]} (22... Nd7 $16) 23. Qxe4 $18 Bxa1 24. Rxa1 Qd7 25. Bf4 bxc4 26. Rd1 $2 ({Stronger than} 26. Qxc4 Qxd5 27. Qa4 Ne6 $15) (26. Bxc7 $1 $18 Qxc7 27. Qxc4 {[%mdl 64] Double Attack}) 26... c3 ({Black should try} 26... e6 $1 $11 27. Qxc4 exd5 28. Qxc5 Ne6 {[%mdl 64] Double Attack}) 27. h3 (27. Qc4 $14 c2 28. Qxc2) 27... Nb5 $2 (27... e6 $1 $11 28. Bxc7 exd5) 28. Qc4 {[%mdl 1024] White has strong compensation.} c2 (28... Rea8 $142) 29. Re1 ({Much less strong is} 29. Qxc2 Nd4 $18) 29... Rb6 30. Qxc5 {Accuracy: White = 36%, Black = 29%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.11"]
[White "Augoustis Funti, Alexis"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1984"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,32,-23,34,6,11,-6,-6,-6,-11,-13,0,-4,-10,-13,-7,-31,-33,-140,-131,-130,-141,-463,-306,-731,-715]} 1. e4 c5 2. d4 cxd4 3. c3 g6 4. Nf3 Bg7 5. Bc4 d6 {LiveBook: 30 Games} (5... dxc3 $11 6. Nxc3 Nc6) 6. O-O {B27: Sicilian: 2 Nf3, unusual Black 2nd moves} (6. cxd4 Nf6 7. Qe2 O-O 8. O-O Bg4 9. e5 dxe5 10. dxe5 Nfd7 11. e6 Ne5 12. exf7+ Kh8 13. Rd1 Qc7 14. Bd5 Nbc6 15. Nc3 e6 16. h3 Bxf3 17. Bxf3 {0-1 (42) Shaposhnikov,E (2576)-Guseinov,G (2664) St Petersburg 2018}) 6... Nf6 7. e5 dxe5 8. Nxe5 {The position is equal.} O-O 9. Qb3 {[%cal Rc4f7]} e6 {[%cal Be7e6,Be6e5][%mdl 32]} 10. Rd1 Nc6 $146 (10... Qc7 {is more complex.} 11. cxd4 Nfd7 12. Nf3 Nc6 13. Be2 e5) ({Predecessor:} 10... Nd5 11. cxd4 Nb6 12. Be2 {0-1 (39) Leaua,C (2045)-Kudrin,S (2505) New Jersey 2015}) 11. Nxc6 bxc6 {[%cal Bb7c6,Bc6c5][%mdl 32]} 12. Rxd4 Qc7 13. Bf4 ({Better is} 13. Na3 $15) 13... e5 $17 14. Bg3 Bf5 15. Bd3 $2 {[%mdl 8192] [#]} (15. Rd1 $17) 15... c5 16. Qc4 $2 (16. Bxf5 cxd4 17. Bd3) 16... Be6 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.12"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Gomez Troccoli, Martin"]
[Result "*"]
[ECO "A04"]
[WhiteElo "2426"]
[BlackElo "1976"]
[Annotator "NA RC"]
[PlyCount "78"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 e6 2. g3 d5 3. Bg2 Nf6 4. O-O Be7 5. c4 O-O 6. b3 b6 7. Bb2 Bb7 8. e3 c5 9. Nc3 Nbd7 10. Qe2 Rc8 11. Rfd1 Ne4 12. Rac1 Nxc3 13. Bxc3 Ba6 14. d3 Bf6 15. Qb2 Bxc3 16. Rxc3 Qf6 17. cxd5 exd5 18. d4 c4 19. Nd2 b5 20. Bxd5 Nb6 21. Bg2 b4 22. Ne4 Qe7 23. Rcc1 f5 24. Nc5 c3 25. Qa1 Bb5 26. a3 Bc6 27. axb4 Bxg2 28. Kxg2 f4 29. Qxc3 fxg3 30. hxg3 Qf7 31. Rd2 Qf3+ 32. Kg1 Nd5 33. Qc4 Rf6 34. Qe2 Qf5 35. e4 Qh3 36. Qf1 Qh6 37. Nd7 Rxc1 38. Nxf6+ Nxf6 39. Qxc1 Nxe4 *

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.13"]
[White "Soto, Nicolas"]
[Black "Gemy, Jose Daniel"]
[Result "*"]
[ECO "C54"]
[WhiteElo "1982"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,13,18,12]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 d6 7. Nbd2 {Predecessor:} h6 $146 8. Nf1 d5 9. exd5 Nxd5 10. Ng3 O-O 11. O-O Re8 12. Re1 Nf6 13. h3 Be6 14. Bc2 Bd5 15. Nh4 {½-½ (43) Duda,J (2739)-Mamedyarov,S (2820) Batumi 2018} *

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.14"]
[White "Lujan, Carolina"]
[Black "Araque, Jairo"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2357"]
[BlackElo "1961"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,0,10,-11,44,19,39,32,38,35,56,43,56,47,71,77,133,95,105,106,106,136,142,120,123,111,170,174,154,91,102,0,-27,-11,-12,-8,75,75,120,81,86,103,360,345,306,269,277,266,246,134,137,76,63,17,21,7,24,31,197,87,279,0,122,68,66,88,91,67,90,-30,29998,29999,29999]} 1. e4 e6 2. Qe2 c5 3. f4 Be7 4. Nf3 Nc6 5. g3 Nf6 (5... d5 6. e5 Nh6 7. d3 Nf5 8. c3 b5 9. Bg2 a5 10. O-O h5 11. Na3 b4 12. Nc2 a4 13. Ne3 g6 14. Nxf5 gxf5 {0-1 (56) Szuk,B (2416)-Cao,S (2491) Hungary 2008}) 6. d3 {C00: French: Unusual White 2nd moves} Qb6 (6... d5 $11) 7. c3 d6 8. Bg2 {White is slightly better.} e5 9. f5 $146 ({Predecessor:} 9. Nbd2 O-O 10. Nc4 Qc7 11. Ne3 b6 12. f5 Ba6 {½-½ (65) Robson,P (1897)-Kuenitz,K (1690) Caleta 2017}) 9... g6 10. O-O gxf5 11. exf5 Bd7 12. Na3 O-O-O (12... h5 $142) 13. Nc4 $16 Qc7 14. b4 cxb4 15. cxb4 b5 (15... Nxb4 $6 16. Bd2 $11) 16. Na3 a6 (16... Nxb4 $6 17. Bd2 $11) 17. Nc2 $1 d5 {[#]} (17... Rhg8 $16 {keeps fighting.}) 18. a4 $1 $18 bxa4 19. d4 (19. Rxa4 $142 Kb7 20. Ra3 (20. d4 Qb6 $11)) 19... Qb6 {[#] Threatening ...e4.} 20. Nxe5 ({Better is} 20. Be3 $1 $16 e4 21. Ne5) 20... Nxe5 $11 21. Qxe5 {[%mdl 64] Double Attack} Rhe8 22. Bg5 {Black must now prevent Rac1.} Bb5 (22... Ng4 $11 23. Qf4 Bxg5 24. Qxg5 (24. Qxg4 Bf6 $15) 24... Nf6) 23. Rfc1 $16 {Threatens to win with Ne3+.} Qd6 24. Ne3+ Kb7 25. Bf4 {And now Rc7+ would win.} Qxe5 $4 {[%mdl 8192]} (25... Bc6 $16 {is a better defense.}) 26. dxe5 $18 (26. Bxe5 Rd7 $11) 26... Nh5 27. Nxd5 ({Resist} 27. Bxd5+ $6 Kb8 $18) 27... Nxf4 28. gxf4 ({Not} 28. Nxf4+ Kb8 $16) 28... Kb8 29. Ra2 ({White should play} 29. f6 $18 Bf8 30. Nc7 {[%mdl 64] Trapped Piece}) 29... Bf8 $16 30. Nf6 (30. Kf2 $142) 30... Rc8 31. Rb1 Red8 32. Nxh7 Bh6 33. Ng5 f6 $2 (33... Rd4 $1 $14) 34. Ne6 (34. exf6 $18 {is more deadly.} Bf8 35. Kf2) 34... Rg8 $2 (34... Rd7 $16) 35. Kf2 $2 (35. exf6 $18 {f7 is the strong threat.} Rh8 36. f7) 35... Bd3 (35... fxe5 $11 {keeps the balance.} 36. fxe5 Rc3) 36. Rbb2 (36. Re1 $16 Bc4 37. Rxa4) 36... Bxf5 $14 37. Nc5 $36 {[%mdl 2048] Keeping Black busy.} Bxf4 38. Nxa6+ Ka7 39. b5 (39. Nc5 $16 fxe5 40. Rxa4+ Kb6 41. Ra6+ Kc7 42. Rba2) 39... Bxe5 $2 {[%mdl 8192]} (39... Kb6 $11 40. exf6 Bxh2) 40. b6+ Kxa6 41. Rxa4# {Accuracy: White = 44%, Black = 26%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.15"]
[White "Siddeley, Hugh"]
[Black "De Dovitiis, Alejo"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1968"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,76,34,28,33,44,44,40,54,43,33,12,10,11,26,2,2,2,2,0,0,-17,0,-23,-14,-69,-54,-45,0,-53,-49,-85,-77,-93,-45,-45,-45,-47,-63,-193,-181,-183,-121,-187,0,-200,-196,-196,-208,-224,-158,-156,-190,-411,-404,-668,-656,-29991,-29992,-29992,-1679]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Nd5 7. Bd2 Nxc3 8. bxc3 Be7 9. Qg4 Kf8 {B40: Sicilian: 2...e6, Unusual lines} 10. Bd3 {LiveBook: 6 Games} Nc6 (10... h5 11. Qf4 d6 12. Bg6 Qe8 13. Nf3 d5 14. Bd3 Nd7 15. h4 Nc5 16. Rh3 Rh6 17. Rg3 Nxd3+ 18. cxd3 {1-0 (34) Geller,J (2526)-Paravyan,D (2550) Moscow 2017}) 11. Nxc6 dxc6 {White is slightly better.} 12. O-O c5 $146 ({Predecessor:} 12... Qc7 13. Rae1 Bd7 14. Re3 h5 15. Qg3 c5 16. c4 Rd8 17. Bc3 {½-½ (73) Govedarica,R (2339)-Lajthajm,B (2401) Belgrade 2016}) 13. Be3 Qc7 14. f4 g6 15. Qf3 Bd7 16. Be4 Rb8 17. c4 h5 18. Rad1 Kg7 19. Rd2 Rhd8 20. Rdf2 Bc6 21. Rb1 (21. a3 $11) 21... Bxe4 22. Qxe4 b6 23. Re2 (23. a4 $11) 23... Qd7 $15 24. Kf2 Qa4 25. c3 Rd1 26. Rxd1 Qxd1 27. Rd2 Qh1 28. Kg3 (28. f5 $1 $15 gxf5 29. Qf4) 28... Qe1+ $19 29. Kf3 Bh4 $36 {[%mdl 2048] Black is really pushing.} (29... Rd8 $19 30. Rxd8 Bxd8) 30. g3 {[#]} (30. Qd3 $17 {might work better.} Rd8 31. Qe2 Rxd2 32. Bxd2) 30... Rd8 $2 ({Better is} 30... Be7 $1 $19 31. Qc2 Qh1+ 32. Rg2 Qf1+ 33. Rf2 Qxc4) 31. Qc2 $2 {[#]} (31. f5 $1 $11 Qf1+ 32. Rf2 Qh1+ 33. Rg2) 31... Qh1+ $1 32. Rg2 Be7 33. Bg1 h4 34. gxh4 Bxh4 35. a4 $2 (35. Qe2) 35... Be1 36. Kg4 {[#]} (36. Ke3 $142) 36... Rd3 $1 {[%mdl 512]} 37. f5 (37. Qxd3 Qxg2+) 37... exf5+ 38. Kf4 {[#]} Bd2+ $1 {[%mdl 512] Precision: White = 22%, Black = 76%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.16"]
[White "Lopez Azambuja, Nicolas"]
[Black "Muzzi, Eduardo"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2320"]
[BlackElo "1954"]
[Annotator "NA RC"]
[PlyCount "61"]
[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. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nge7 7. dxc5 Qxc5 8. Bd3 Ng6 9. Qe2 Qb6 10. O-O Be7 11. g3 Bd7 12. h4 f6 13. Bxg6+ hxg6 14. c4 fxe5 15. cxd5 Nd4 16. Nxd4 exd4 17. Re1 O-O-O 18. Bf4 Bd6 19. dxe6 Bb5 20. Qg4 Kb8 21. Nd2 Ka8 22. Bg5 Rde8 23. b4 Be7 24. Bxe7 Rxe7 25. Nb3 d3 26. Rad1 Rd8 27. Rd2 Qd6 28. Qxg6 Qd5 29. Qg5 Qxg5 30. hxg5 Rd6 31. f4 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.17"]
[White "Escofet, Jaime"]
[Black "Mussanti, Diego"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1957"]
[BlackElo "2305"]
[Annotator "NA"]
[PlyCount "55"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. b3 d5 2. Bb2 Nf6 3. e3 c5 4. Bb5+ Nbd7 5. Nf3 e6 6. Ne5 a6 7. Bxd7+ Nxd7 8. O-O Nxe5 9. Bxe5 f6 10. Bb2 Bd6 11. d4 O-O 12. Nd2 Qc7 13. h3 c4 14. bxc4 dxc4 15. c3 b5 16. e4 Bb7 17. Qe2 Rac8 18. Rfe1 a5 19. Rac1 Bh2+ 20. Kh1 Bf4 21. Rb1 b4 22. a3 Bxd2 23. Qxd2 f5 24. exf5 Rxf5 25. Re5 Rxe5 26. dxe5 Qxe5 27. axb4 Qf5 28. Kg1 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.18"]
[White "Scarella, Enrique Alejandro"]
[Black "Durante, Aurelio"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2304"]
[BlackElo "1941"]
[Annotator "NA"]
[PlyCount "58"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. d4 e6 5. Bd3 Be7 6. Nc3 O-O 7. O-O Nbd7 8. Qe2 Qc7 9. e4 dxc4 10. Bxc4 e5 11. h3 b5 12. Bb3 a5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. f4 Qh5 16. Qxh5 Nxh5 17. Bd1 Nf6 18. e5 Bc5+ 19. Kh2 Nd5 20. Nxd5 cxd5 21. Bf3 Bb7 22. Rd1 Rfd8 23. f5 Ra6 24. Bf4 f6 25. e6 g5 26. Rac1 Bd6 27. Bxd6 Raxd6 28. Rc7 Rb6 29. e7 Re8 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.19"]
[White "Rupel, David"]
[Black "Zapata Charles, Santiago"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1953"]
[BlackElo "2300"]
[Annotator "NA"]
[PlyCount "42"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Nb6 6. e4 Qxd4 7. Nf3 Qd8 8. Bf4 Qxd1+ 9. Rxd1 c6 10. Bc7 Bd7 11. a4 Bg7 12. a5 Nc8 13. Bc4 Nd6 14. Bxd6 exd6 15. Rxd6 Ke7 16. Rd3 b5 17. Ba2 Na6 18. e5 Nb4 19. Rxd7+ Kxd7 20. Bxf7 Nd3+ 21. Ke2 Nxe5 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.20"]
[White "Coro, Lucas"]
[Black "Avedisian, Alexander"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2284"]
[BlackElo "1921"]
[Annotator "NA"]
[PlyCount "17"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Bg7 6. Be3 Nh6 7. Be2 O-O 8. Nc3 f5 9. exf5 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.21"]
[White "Suarez, Pedro"]
[Black "Larrea, Manuel"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1950"]
[BlackElo "2269"]
[Annotator "NA"]
[PlyCount "64"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bb5+ Bd7 8. Bxd7+ Nxd7 9. Nf3 cxd4 10. cxd4 Bb4+ 11. Bd2 Bxd2+ 12. Qxd2 Nf6 13. Qb4 Nxe4 14. Qxb7 Nd6 15. Qc6+ Ke7 16. O-O Rc8 17. Qa4 Qd7 18. Qa3 f6 19. Ne5 Qb7 20. Rab1 Qa8 21. Rfe1 Rc7 22. Qg3 fxe5 23. Qxe5 Rd8 24. Qxg7+ Nf7 25. Qxh7 Rxd4 26. Qh3 Qd5 27. Qe3 Rg4 28. g3 Ng5 29. Rec1 Nf3+ 30. Kf1 Rd7 31. Qa3+ Kf7 32. Rb8 Nd2+ 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.22"]
[White "Carbone, Diego"]
[Black "Bertucci, Santiago"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2256"]
[BlackElo "1909"]
[Annotator "NA"]
[PlyCount "41"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Be2 dxc4 8. Nxg6 hxg6 9. Bxc4 Bd6 10. e4 Rxh2 11. Rxh2 Bxh2 12. e5 Nh5 13. Ne4 Qh4 14. Qf3 f5 15. Nd6+ Kd7 16. Bxe6+ Kc7 17. Qb3 b6 18. Bd2 Bg1 19. O-O-O Bxf2 20. Bc8 Bxd4 21. Qf7+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.23"]
[White "Rodriguez Farias, Eduardo"]
[Black "Muniz, Rafael"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1935"]
[BlackElo "2250"]
[Annotator "NA"]
[PlyCount "41"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. a4 O-O 7. O-O c6 8. Qe2 b6 9. Bg5 h6 10. Bh4 a6 11. Bg3 Nh5 12. dxe5 Nxg3 13. fxg3 dxe5 14. h3 Qc7 15. g4 Nc5 16. g3 Rb8 17. Ne1 b5 18. axb5 axb5 19. Ba2 b4 20. Nd1 b3 21. cxb3 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.24"]
[White "Ramos Correa, Gabriel"]
[Black "Coppola, Claudio"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1920"]
[BlackElo "2209"]
[Annotator "NA"]
[PlyCount "82"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 axb5 6. Bxb5 Qa5+ 7. Nc3 Bb7 8. Bd2 Qb6 9. Qb3 e6 10. e4 Nxe4 11. Bxd7+ Nxd7 12. Qxb6 Nxb6 13. Nxe4 Bxd5 14. f3 Rxa2 15. Rxa2 Bxa2 16. Be3 Na4 17. Nc3 Nxc3 18. bxc3 Bd6 19. Ne2 Ke7 20. Kf2 Rb8 21. Rd1 Rb2 22. Rd2 Rxd2 23. Bxd2 Be5 24. f4 Bc7 25. Be3 Kd6 26. Ke1 Bd5 27. g3 Ba5 28. Kd2 Be4 29. Nc1 Kd5 30. Nb3 Bb6 31. Ke2 c4 32. Nd4 Ba5 33. Bd2 Bd3+ 34. Kf3 f6 35. Nb5 e5 36. fxe5 fxe5 37. Be3 Kc6 38. Na7+ Kb7 39. Nb5 Ka6 40. Nd6 Bxc3 41. Ne8 Bb2 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.25"]
[White "El Ters, Antouan"]
[Black "Hart, Alexander"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2205"]
[BlackElo "1881"]
[Annotator "NA"]
[PlyCount "93"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Bb5+ Bd7 5. Qe2 Nc6 6. Nc3 Nf6 7. O-O e6 8. d4 Be7 9. Bg5 O-O 10. a3 Ne4 11. Bxe7 Nxc3 12. bxc3 Nxe7 13. Bd3 Ng6 14. g3 f5 15. h4 Qc7 16. Ng5 Rf6 17. c4 h6 18. Nf3 dxc4 19. Bxc4 Kh8 20. h5 Bc6 21. Ne5 Nxe5 22. dxe5 Rff8 23. Rfd1 f4 24. g4 f3 25. Qe3 Qe7 26. Rd4 Qh4 27. Rad1 Rae8 28. Rf4 Qh3 29. Bf1 Qh4 30. Rd6 Qe7 31. Bc4 Qh4 32. Rxe6 Rd8 33. Rd6 Rxf4 34. Rxd8+ Qxd8 35. Qxf4 Qe7 36. Qf5 Be8 37. Qxf3 b5 38. Bd5 a5 39. Ba2 Qc5 40. Qb3 Qf8 41. Qe6 b4 42. axb4 axb4 43. Bb3 Bb5 44. Kg2 Qd8 45. Kg3 Qf8 46. f4 Be8 47. Qd6 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.26"]
[White "Dotta, Gian Franco"]
[Black "Hernandez Amura, Gilberto"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1896"]
[BlackElo "2199"]
[Annotator "NA"]
[PlyCount "52"]
[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. Nce2 c5 6. c3 Nc6 7. f4 b5 8. a3 Qb6 9. Nf3 b4 10. dxc5 Bxc5 11. cxb4 Bf2+ 12. Kd2 a5 13. bxa5 Nxa5 14. Ned4 Bxd4 15. Nxd4 Qxd4+ 16. Ke1 Qe4+ 17. Kf2 O-O 18. Bd3 Qd4+ 19. Kg3 g6 20. h4 Nc5 21. Bc2 Qxd1 22. Rxd1 Ncb3 23. Rb1 Ba6 24. Be3 Rfc8 25. Bxb3 Nxb3 26. Re1 Bd3 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.27"]
[White "Lagar, Valentin Alejo"]
[Black "Pena Canapa, Alfredo"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2196"]
[BlackElo "1867"]
[Annotator "NA"]
[PlyCount "93"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 a6 5. Nbd2 d6 6. a4 h6 7. c3 Ba7 8. Nf1 Nf6 9. Ng3 Ne7 10. O-O O-O 11. Re1 Be6 12. Bb3 Bxb3 13. Qxb3 Qd7 14. d4 c6 15. h3 Ng6 16. Be3 exd4 17. Bxd4 Bxd4 18. cxd4 Rfe8 19. Nd2 c5 20. Nc4 Qc7 21. d5 Rad8 22. a5 Rd7 23. Qc3 Rde7 24. f3 Rd8 25. Nf5 Ree8 26. Nxh6+ gxh6 27. Qxf6 Qe7 28. Qxe7 Rxe7 29. Ne3 Kh7 30. Kf2 Ne5 31. Ke2 Rc7 32. f4 Ng6 33. g3 h5 34. Kf3 Ne7 35. Rec1 Kg6 36. g4 hxg4+ 37. hxg4 Rh8 38. Kg3 Rcc8 39. Nc4 Rcd8 40. Rab1 Ng8 41. Rh1 Rxh1 42. Rxh1 Nf6 43. Kf3 Kg7 44. g5 Ne8 45. Kg4 f6 46. Ne3 fxg5 47. Nf5+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.28"]
[White "Ruggiero, Alvaro"]
[Black "Fiora, Emilio"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1869"]
[BlackElo "2190"]
[Annotator "NA"]
[PlyCount "52"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 b5 5. g3 Bb7 6. d3 Nc6 7. Bg2 d6 8. O-O Be7 9. Kh1 Nf6 10. Ne2 O-O 11. c3 Qc7 12. Be3 c4 13. dxc4 Nxe4 14. cxb5 axb5 15. Nfd4 Na5 16. Qc2 Nf6 17. Bxb7 Qxb7+ 18. Nf3 Nc4 19. Bg1 e5 20. fxe5 dxe5 21. h3 Ra6 22. Kh2 Rd8 23. b3 Nd2 24. Kg2 e4 25. Nfd4 e3+ 26. Kh2 Ng4+ {Kg2 Nf6+ Nf3 Nxf3 Rxf3 Rd2} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.29"]
[White "Benoit, Rodrigo"]
[Black "Traverso, Luis"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2189"]
[Annotator "NA"]
[PlyCount "63"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 O-O 7. O-O d6 8. exd6 Bxd6 9. Nc3 Be6 10. Ne4 Be7 11. Nd4 Nxd4 12. exd4 Nf6 13. Nc3 c6 14. Be3 Qb6 15. d5 Qxb2 16. Na4 Qe5 17. dxe6 b5 18. exf7+ Rxf7 19. cxb5 cxb5 20. Bd4 Qg5 21. Nc3 a6 22. Be3 Qe5 23. Qb3 Bd6 24. g3 Rc8 25. Rac1 Rcf8 26. Rcd1 b4 27. Nd5 Ne4 28. Bd4 Qg5 29. f4 Qh6 30. Bf3 Nc5 31. Qc4 g5 32. Nf6+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.30"]
[White "Baudel, Simon"]
[Black "Hurtado Bahamonde, Rodrigo"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "1847"]
[BlackElo "2172"]
[Annotator "NA"]
[PlyCount "110"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5 5. g3 g4 6. Nh4 Ne7 7. d4 Ng6 8. Nxg6 hxg6 9. Bg2 Rxh2 10. Bf4 Bxf4 11. gxf4 Rxh1+ 12. Bxh1 Qh4+ 13. Kd2 Qf2 14. c3 Qxf4+ 15. e3 Qh2+ 16. Kc1 Nc6 17. Nd2 Bd7 18. Kc2 O-O-O 19. Qg1 Rh8 20. Bd5 f5 21. Rf1 Ne7 22. Bg2 Bc6 23. Bxc6 bxc6 24. Kd3 Nd5 25. a3 Rh3 26. Qxh2 Rxh2 27. c4 Nf6 28. b4 Kd7 29. a4 a6 30. a5 Rh3 31. Rf2 g3 32. Rg2 Rh2 33. Rg1 g5 34. d5 cxd5 35. b5 dxc4+ 36. Nxc4 axb5 37. Ne5+ Ke6 38. Nf3 Ra2 39. Nxg5+ Kd5 40. Rxg3 Ra3+ 41. Kc2 Ne4 42. Rf3 Ke5 43. Nf7+ Kf6 44. Nh6 Nd6 45. Ng8+ Kf7 46. Nh6+ Ke6 47. Rg3 Rxa5 48. Rg7 c5 49. Rc7 Kd5 50. Ng8 Kc4 51. Nf6 Ra2+ 52. Kb1 Re2 53. Re7 f4 54. Ng4 Nf5 55. e4 Nxe7 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.31"]
[White "Ramirez Dominguez, Agustin"]
[Black "Granara Barreto, Sebastian"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1907"]
[BlackElo "2134"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 c5 2. d5 Nf6 3. c4 b5 4. cxb5 a6 5. g3 axb5 6. Bg2 d6 7. Bg5 Nbd7 8. Nd2 g6 9. a4 bxa4 10. Bxf6 Nxf6 11. Rxa4 Rxa4 12. Qxa4+ Bd7 13. Qa2 Bg7 14. Nh3 O-O 15. O-O Bb5 16. Nc4 Qa8 17. Qxa8 Rxa8 18. b3 Ra2 19. e4 Nd7 20. Rc1 Bxc4 21. bxc4 Bd4 22. Kf1 Ne5 23. f3 Nd3 24. Rd1 Nb4 25. Bh1 Nc2 26. Ke2 Ne3+ 27. Rd2 Ra1 28. Nf2 Nxc4 29. Rxd4 cxd4 30. Kd3 Nb2+ 31. Kxd4 Nd1 32. Nh3 Ra2 33. Nf4 Ra4+ 34. Kd3 Nf2+ 35. Ke2 Nxh1 36. Kf1 Ra2 37. Ne2 h5 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "2.32"]
[White "Barreto, Ignacio C. de Barro"]
[Black "Cetraro, Juan"]
[Result "*"]
[ECO "A10"]
[WhiteElo "2212"]
[BlackElo "1547"]
[Annotator "NA"]
[PlyCount "1"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 *

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.1"]
[White "Mareco, Sandro"]
[Black "Mussanti, Diego"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2664"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,39,12,0,37,42,52,21,23,8,28,29,9,10,14,27,25,14,117,117,108,117,374,366,409,387,410,408,391,390,382,339]} 1. c4 e6 2. Nf3 d5 3. g3 dxc4 4. Bg2 Nf6 5. O-O Nbd7 6. Qc2 a6 {A13: English Opening: 1...e6} 7. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Be7 (7... Nb6 8. a5 Nbd5 9. Qxc4 b5 10. axb6 cxb6 11. Nc3 Bb7 12. d4 b5 13. Qb3 Be7 {½-½ (67) Adhiban,B (2695)-Jumabayev,R (2602) Makati 2018}) 8. a5 O-O $146 {The position is equal.} ({Predecessor:} 8... Nc5 9. Qxc4 Qd5 10. Qc2 Qb3 11. Na3 Qxc2 12. Nxc2 {0-1 (48) Kantans,T (2342)-Swiercz,D (2522) Warsaw 2010}) 9. Na3 Nd5 10. Nxc4 b5 11. axb6 cxb6 12. d4 Bb7 13. Bd2 Bb4 (13... N5f6 $11) 14. e4 $16 Bxd2 15. exd5 ({Of course not} 15. Ncxd2 $6 Nb4 $11) 15... exd5 $2 {[%mdl 8192] [#]} (15... Bh6 $16) 16. Ncxd2 {White is winning.} Rc8 17. Qb3 Nf6 18. Bh3 Rc6 19. Ne5 Rd6 20. f3 {Accuracy: White = 76%, Black = 30%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.2"]
[White "Hernandez Guerrero, Gilberto"]
[Black "Scarella, Enrique Alejandro"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2533"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,75,63,129,86,85,93,83,91,78,81,100,111,130,67,70,67,77,65,64,53,72,31,71,70,65,4,14,4,59,64,80,45,71,37,37,39,48,36,32,45,50,35,63,55,56,66,45,56,121,127,128,127,119,120,136,85,155,136,222,196,343,126,551,443,426,432,415,407]} 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. c3 Qc7 5. Na3 b6 (5... cxd4 $14 6. cxd4 (6. Nxd4 Nc6 $11) 6... d5) 6. Bc4 {B27: Sicilian: 2 Nf3, unusual Black 2nd moves} Ba6 7. Nb5 $146 ({Predecessor:} 7. Bxa6 Nxa6 8. O-O cxd4 9. cxd4 Nf6 10. Re1 O-O 11. Bg5 Qb7 12. Qe2 Rac8 {0-1 (50) Naiditsch,A (2727)-Shoker,S (2500) Antalya 2013}) 7... Bxb5 8. Bxb5 {White is better.} a6 9. Bd3 e6 10. O-O Ne7 11. Be3 ({White should play} 11. d5 $16) 11... O-O $14 12. Qd2 d6 13. Rad1 Nd7 14. Bf4 Rfd8 15. Bb1 e5 16. Bg5 Nf8 17. Qe2 (17. d5 $14) 17... exd4 $11 18. cxd4 cxd4 (18... Ne6 $11) 19. Nxd4 $14 Re8 20. Rfe1 b5 21. Qd2 Bxd4 22. Qxd4 Ne6 {[%mdl 64] [#] Double Attack} 23. Qf6 Nxg5 24. Qxg5 Qc5 25. Qd2 Rad8 26. Re3 Nc6 27. Rc3 Qb6 28. Qh6 {And now Rh3 would win.} d5 (28... Rd7 $14) 29. Rh3 $16 dxe4 {[%cal Rd8d1]} 30. Qxh7+ Kf8 {[%cal Rd8d1]} 31. Qh6+ Ke7 {[%cal Rd8d1] [#]} 32. Qg5+ $40 {[%mdl 128] White goes for the king.} ({White should try} 32. Re1 $1) 32... Ke6 (32... Kf8 $142 33. Qh6+ Ke7) 33. Re1 {Strongly threatening Rf3.} Ne5 (33... Rd5 $16 34. Rxe4+ Kd6 35. Qf6+ Re6 36. Rxe6+ fxe6 37. Qf8+ Kc7 38. Rh7+ Rd7) 34. Bxe4 $18 f6 (34... Kd7 $142 35. Qc1 Re7) 35. Qg3 $2 (35. Qc1 $18 {and the rest is easy.}) 35... Qd4 $2 {[%mdl 8192]} (35... f5 $16 {is tougher.}) 36. Qb3+ Qc4 37. Qxc4+ bxc4 38. f4 {Accuracy: White = 44%, Black = 52%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.3"]
[White "Zapata Charles, Santiago"]
[Black "Alonso, Salvador"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2300"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,79,0,0,4,-1,0,-12,-5,-14,-2,-2,-2,-17,0,0,0,0,15,20,22,19,17,22,38,23,157,183,170,168,177,167,159,134,147,109,104,116,153,99,108,107,117,87,77,56,125,129,129,124,125,86,97,87,94,46,112,88,116,20,93,0,102,0,97,0]} 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bc4 dxe5 8. dxe5 Ndb4 9. Qb3 e6 {B22: Sicilian: 2 c3} 10. O-O Na5 11. Bb5+ Bd7 {The position is equal.} 12. Qa4 $1 Bxb5 13. Qxb5+ Nac6 {next ...Nc2 is good for Black.} 14. Bg5 (14. Nc3 a6 15. Qc4 Qd3 16. Qg4 Qg6 17. Qxg6 hxg6 {0-1 (49) Potapov,P (2516)-Demchenko,A (2679) St Petersburg 2018}) 14... Be7 15. Bxe7 ({Don't blunder} 15. Qxb7 $2 Bxg5 16. Qb5 (16. Nxg5 $2 O-O $19) 16... Bh6 $19) 15... Qxe7 16. Nc3 O-O 17. Rad1 $146 ({Predecessor:} 17. Rfd1) 17... a6 18. Qc4 Na5 19. Qe4 $36 {[%mdl 2048] White is more active.} Rac8 20. a3 Rc4 (20... Nbc6 $1 $11 {keeps the balance.}) 21. Qe3 $16 Nd5 22. Nxd5 exd5 23. Rxd5 b5 24. Qd3 Rc7 25. Rd6 Nc4 26. Qd4 h6 27. Rd1 (27. b3 $142 Na5 28. Qb4) 27... Re8 {[%cal Rc4e5]} 28. Rd5 Rc6 29. h3 Re6 {[%cal Rc4e5]} 30. Re1 Nb6 (30... f6 $1 $14) 31. Rd6 Nc4 32. Rd7 Qf8 33. Kh2 R6e7 34. Rxe7 Qxe7 35. Re2 Rd8 (35... Qd8 $14) 36. Qf4 Qc5 37. Qg3 ({White should try} 37. a4 $16) 37... Qe7 (37... Qd5 $11) 38. Qf4 Qc5 $1 39. Qg3 Qe7 40. Qf4 {Accuracy: White = 40%, Black = 49%.} (40. Qg4 $16) 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.4"]
[White "Larrea, Manuel"]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2269"]
[BlackElo "2486"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,56,43,36,52,40,53,37,50,5,61,-15,-18,-27,-20,-15,0,-54,-47,-47,-46,-48,-40,-40,-35,-40,-33,-35,-42,-31,-18,-20,-7,-7,-7,-65,-73,-81,-57,-214,-176,-655,-653]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Qg4 g6 8. Nf3 Qa5 9. Bd2 Qa4 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} 10. Qf4 c4 11. Be2 h6 {White is slightly better.} 12. O-O Qxc2 (12... g5 $11 13. Qg4 Qxc2) 13. Rfe1 ({Better is} 13. Bd1 $14 Qf5 14. Qg3) 13... g5 $11 {[#]} 14. Qg3 $146 ({Predecessor:} 14. Qg4 Qg6 15. Bd1 Bd7 16. h4 gxh4 17. Qxh4 {1-0 (46) Dominguez Perez,L (2695)-Arencibia Rodriguez,W (2534) Havana 2008}) 14... Nge7 15. Bd1 Qg6 16. Rc1 (16. h4 $11) 16... Nf5 $15 17. Qg4 Bd7 18. Bc2 O-O-O 19. h4 gxh4 20. Bxf5 exf5 21. Qxh4 Rdg8 $36 {[%csl Gg8][%cal Rg6g2][%mdl 2048] [#] Black has the initiative.} 22. g3 Qg4 23. Kg2 $1 Nd8 {[%cal Bc6d8,Bd8e6,Be6f4][%mdl 32]} 24. Rh1 $1 Ne6 25. Qe7 (25. Qf6 $1 $11) 25... f4 {[%cal Rf4g3]} 26. Rh4 Qf5 {...Rg6 is the strong threat.} 27. Rch1 $2 {[#]} (27. Qf6 $15 Qxf6 28. exf6) 27... Rg6 28. Rxf4 $2 (28. Qb4) 28... Nxf4+ {Precision: White = 38%, Black = 69%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.5"]
[White "Ricardi, Pablo"]
[Black "Coro, Lucas"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2479"]
[BlackElo "2284"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,51,27,33,50,49,53,52,72,0,0,0,84,84,181,100,358,371,346,313,508,508,508,508,498,464,466,504,508,487,447,447,447,435]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Bd7 5. c3 a6 6. Bxc6 Bxc6 7. Re1 Nf6 8. d4 Bxe4 9. Bg5 d5 10. Nbd2 Bxf3 11. Qxf3 e6 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} 12. Bxf6 gxf6 13. c4 {Black must now prevent cxd5.} Bh6 $1 {[%cal Rh6d2] White is slightly better.} 14. cxd5 (14. Rad1 $16) 14... Bxd2 $11 15. Re2 {[#]} Bg5 $146 (15... Ba5 $1 $11) ({Predecessor:} 15... cxd4 16. Rxd2 e5 17. Qf5 Ke7 18. f4 Qxd5 19. Re1 {1-0 (37) Beltran Rueda,S (2315)-Polugaevsky,L (2610) Oviedo 1991}) 16. dxe6 $16 Qc7 {[#]} ({Wrong is} 16... cxd4 $2 17. Qxb7 O-O 18. e7 $18) (16... fxe6 $16 {might work better.} 17. Rxe6+ Kf8) 17. h4 $1 $36 {[%mdl 2560] Black is under strong pressure.} Bxh4 $2 {[%mdl 8192]} (17... Bf4 $16 {was worth a try.}) 18. exf7+ $18 Kf8 19. Qh5 Bg5 $2 {[#]} (19... Kg7 {keeps fighting.} 20. Qxh4 Rhf8) 20. Re8+ $1 {[%mdl 64] Double Attack. White is clearly winning.} Kg7 21. Rae1 Rf8 {[#] Threatens to win with ...Rd8.} 22. Rxa8 $1 ({Not} 22. R1e7 Qd6 $11) 22... Rxa8 23. Re8 {[%csl Ge8][%cal Rf7f8]} Qxf7 24. Qxf7+ Kxf7 25. Rxa8 cxd4 26. Ra7 {Accuracy: White = 88%, Black = 32%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.6"]
[White "Muniz, Rafael"]
[Black "Salinas Herrera, Pablo"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2250"]
[BlackElo "2477"]
[Annotator "ChessBase"]
[PlyCount "125"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. O-O Be7 9. Qe2 d6 10. Kh1 Qc7 11. f4 b5 12. Bd2 O-O 13. a3 Rb8 14. Rae1 Nd7 15. Nd5 exd5 16. exd5 Bf6 17. dxc6 Qxc6 18. Na5 Qc7 19. b4 Bd8 20. c4 Nf6 21. cxb5 Bg4 22. Qf2 axb5 23. f5 Qd7 24. h3 Bh5 25. Qf4 Bxa5 26. bxa5 Qc6 27. Qd4 Rfe8 28. Bg5 Nd7 29. Qh4 Rxe1 30. Rxe1 Qc3 31. Bf1 f6 32. Bf4 Ne5 33. Bxe5 dxe5 34. Qb4 Qc8 35. Bd3 Bf7 36. Be4 Qd8 37. Rc1 g6 38. Kh2 Kg7 39. Rc6 Qd7 40. Rd6 Qa7 41. Qd2 Rc8 42. a6 Rc4 43. Rd7 Rc7 44. Rd8 Qxa6 45. Qb4 Kh6 46. h4 gxf5 47. Bxf5 Bg6 48. Qf8+ Rg7 49. Rd7 Bxf5 50. Rxg7 Kh5 51. Rf7 Qa4 52. Qb4 Qxb4 53. axb4 Kg6 54. Re7 Bd3 55. Kg3 h5 56. Kf2 Kf5 57. Ke3 Bc4 58. Rg7 Bb3 59. g4+ Ke6 60. gxh5 f5 61. h6 Kf6 62. Rg1 f4+ 63. Kd2 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.7"]
[White "Hoffman, Alejandro"]
[Black "Carbone, Diego"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2461"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,67,12,18,13,23,0,11,8,10,-1,0,0,27,24,18,0,18,17,37,36,59,60,79,0,12,20,35,36,83,38,34,33,28,12,35,30,65,69,56,38,39,0,121,107,115,101,256,247,267,260,297,305,730,704]} 1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Bf4 O-O 5. e3 d6 6. h3 Nbd7 7. Be2 c5 8. O-O b6 9. a4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} a6 10. Na3 (10. Bh2 Bb7 11. Nbd2 Ra7 12. Qb1 Qa8 13. Bd3 cxd4 14. cxd4 Nd5 15. Rc1 Nb4 16. Bf1 Nf6 17. Ra3 Bd5 18. Bc4 Bc6 19. Bf1 Bd5 {1-0 (56) Ivanchuk,V (2713)-Wagner,D (2566) Batumi 2018}) 10... Nd5 $146 ({Predecessor:} 10... Bb7 11. Qb3 Rc8 12. Rfd1 cxd4 13. exd4 Qc7 14. Nc2 Qb8 15. c4 e5 16. Bh2 Qa8 17. dxe5 dxe5 {1-0 (39) Burmakin,V (2605)-Gupta,A (2587) Chalkis 2010}) 11. Bh2 {aiming for dxc5.The position is equal.} cxd4 12. Nxd4 {Hoping for Nc6.} Bb7 13. Bf3 {Ne2 is the strong threat.} Qc7 14. Bxd5 Bxd5 {[#]} 15. Nf5 $1 {[%cal Rf5e7][%mdl 512]} gxf5 16. Qxd5 Qc5 17. Rfd1 Rfc8 18. Qd3 Be5 19. Nc2 (19. Bf4 $16) 19... Bxh2+ 20. Kxh2 Nf6 21. Kg1 Kf8 22. Nd4 e6 23. Nb3 Qd5 24. Qc2 Qc6 (24... Qe5 {with more complications.} 25. Qe2 d5 26. Rd4 Kg7 27. Nd2 Qc7) 25. f3 b5 26. Nd4 Qc5 27. axb5 axb5 28. Qb3 f4 (28... Rxa1 $11 {keeps the balance.} 29. Rxa1 Nd5) 29. Rxa8 $16 ({Stronger than} 29. exf4 Rxa1 30. Rxa1 e5 $17) ({Don't play} 29. Qxb5 $6 fxe3 30. Rxa8 Rxa8 $11) 29... Rxa8 30. exf4 e5 $2 (30... Nd5 $16) 31. fxe5 $18 dxe5 {Strongly threatening ...Rd8.} 32. Qxb5 Qd6 33. Qc6 Rd8 $2 {[#]} (33... Qxc6 34. Nxc6 e4) 34. Ne6+ $1 {[%mdl 512] Precision: White = 67%, Black = 14%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.8"]
[White "Coppola, Claudio"]
[Black "Bitelmajer, Martin"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2209"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,108,4,22,15,66,6,59,40,51,24,23,17,23,15,39,13,13,0,0,0,0,0,0,0,-2,-12,-8,-93,0,0,0,-32,-7,-6,-9,-10,-18,-52,-53,-55,-45,-43,-42,-42,-42,-42,-45,-51,-51,-45,-42,-68,-78,-78,-72,-81,-72,-70,-70,-73,-59,-50,-39,-61,-61,-61,-54,-76,-61,-64,-42,-105,-89,-179,-173,-142,-142,-430,-472,-493,-486,-469,-450,-1295,-1256,-1820,-1718,-1166,-1054,-1916,-1847]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Bf4 Na6 11. Re1 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} Nc7 (11... Ne4 $11) (11... Bg4 12. h3 Bxf3 13. Bxf3 Nd7 14. Ne4 Ne5 15. Bg2 Nc7 16. g4 f5 17. gxf5 gxf5 18. Bg5 Qd7 {½-½ (66) Wojtaszek,R (2737)-Zhigalko,S (2638) Heraklio 2017}) 12. a4 (12. e4 $14) 12... Bg4 ({Black should try} 12... Ne4 $11) 13. e4 {White is slightly better.} Nh5 14. Bg5 $146 ({Predecessor:} 14. Bd2 Qd7 15. Qb3 b6 16. Nb5 a6 17. Nxc7 Qxc7 18. Bc3 {1-0 (51) Riverol,J-Olazarri,M Montevideo 1993}) 14... Qxg5 15. Nxg5 Bxd1 16. Raxd1 a6 17. Bf1 Rab8 18. f4 Bd4+ 19. Kg2 Nf6 {Threatening ...h6.} 20. e5 dxe5 21. d6 Ne6 22. Bc4 exf4 23. d7 (23. Bxe6 $11 fxe6 24. Nxe6) 23... Re7 (23... Nxd7 $17 24. Rxe6 fxe6 25. Bxe6+ Rxe6 $1 {[%mdl 512]} 26. Nxe6 fxg3 27. Nxd4 cxd4 28. Rxd4 Nf6 29. Kxg3 Kf7) 24. Nxe6 $11 fxe6 25. Ne2 Kg7 26. Nxf4 Rxd7 {And now ...e5 would win.} 27. Nxe6+ Kh8 $1 28. b4 Bc3 29. Nxc5 Rxd1 30. Rxd1 Bxb4 31. Ne6 Ng4 32. Rd4 Ne3+ 33. Kf3 Nxc4 34. Rxc4 $15 {[%mdl 4096] Endgame KRB-KRN} Ba5 35. Ke4 b5 36. axb5 axb5 37. Rc5 Bd2 38. Kd3 Bh6 39. Kc3 b4+ 40. Kb3 Bd2 41. Rc7 Re8 42. Rc6 Kg8 43. Kc4 Kf7 44. Nc5 h5 45. Nd3 (45. Kd3 $15 Rd8+ 46. Kc4) 45... Re2 $17 46. Kd5 {[#]} (46. Ra6 $17 {was worth a try.}) 46... Bc3 $1 $19 ({Much less strong is} 46... Rxh2 47. Ne5+ Ke7 48. Nxg6+ Kd8 49. Rc2 $15) 47. Rc7+ Kf6 48. Rc6+ $2 {[%mdl 8192]} (48. h3 $17) 48... Kf5 {Black is clearly winning.} 49. h3 Rg2 50. g4+ hxg4 51. h4 (51. hxg4+ $142 Rxg4 52. Nc1) 51... Rh2 52. Rc7 Rxh4 53. Rf7+ Kg5 54. Nc5 g3 {Accuracy: White = 29%, Black = 59%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.9"]
[White "Roselli Mailhe, Bernardo"]
[Black "El Ters, Antouan"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2434"]
[BlackElo "2205"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,77,8,-1,44,22,42,42,55,37,56,42,49,35,33,23,35,13,29,12,14,8,20,14,9,7,13,10,7,0,19,14,12,0,60,43,66,62,65,58,179,52,64,41,144,142,156,96,96,80,79,72,83,72,79,66,71,66,300,317,304,312,722,710,716,683,839,767,29975,29976]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 {E11: Bogo-Indian} (6... d5 $5 {[%cal Rd5e4]}) (6... d5 7. e5 Nfd7 8. Bd3 c5 9. h4 g6 10. O-O Nc6 11. Nb3 dxc4 12. Bxc4 cxd4 13. Re1 a5 14. Bh6 Re8 15. Rc1 Nb6 {1-0 (39) Ding,L (2804)-Saric,I (2689) Batumi 2018}) 7. Bd3 c5 8. d5 Nbd7 {White is slightly better.} 9. O-O Re8 10. Qc2 $146 ({Predecessor:} 10. h3 Bf8 11. Re1 a6 12. a4 g6 13. Nb1 exd5 14. exd5 Rxe1+ 15. Qxe1 {½-½ (27) Mu,K (2380)-Das,A (2485) Vlissingen 2015}) 10... Nf8 11. b4 N6d7 12. Bb2 Bf6 13. Nb3 b6 14. Rad1 Bxb2 15. Qxb2 e5 16. Qd2 Ng6 17. g3 Nf6 18. bxc5 {Hoping for c6.} bxc5 19. Rb1 h6 20. Rb2 Qd7 21. Ne1 Qa4 (21... h5 $11) 22. Nc2 Nd7 23. Na5 Nb6 24. Ne3 Ne7 {[#]} (24... Qd7 $1 $14) 25. Ra1 ({Better is} 25. Rb5 $1 $18) 25... Qd7 $14 26. Bc2 Qh3 (26... Qc7 $14) 27. Nc6 $16 Bg4 28. Nxe7+ ({White should play} 28. Qd3) 28... Rxe7 29. Bd1 Bxd1 30. Qxd1 g6 31. a4 {[%cal Ba3a4,Ba4a5,Ba5b6][%mdl 32]} f5 32. exf5 gxf5 33. a5 $36 {[%mdl 2048] White fights for an advantage.} f4 $2 {[#]} ({Black should try} 33... Nd7 $14) 34. axb6 $18 fxe3 35. fxe3 Qc8 $2 (35... a5 36. b7 Rb8) 36. Rba2 a6 37. Qh5 Kg7 38. Rf2 Qd7 39. Raf1 {Accuracy: White = 49%, Black = 29%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.10"]
[White "Hernandez Amura, Gilberto"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2199"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,74,-17,0,-3,11,14,39,50,49,19,56,0,0,0,0,-32,-28,-175,-173,-158,-176,-465,-443,-493,-487,-483,-482,-511,-506,-499,-497,-491,-476,-833,-837,-830,-836,-835,-772,-798,-770,-810,-685,-945,-957,-958,-952,-927,-915,-1256,-1214,-1483,-1371,-29992,-29993]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. O-O Be7 10. f3 Nc5 11. Be3 O-O 12. Nb3 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} (12. Nd2 f6 13. exf6 Rxf6 14. Bg5 Rg6 15. Bxe7 Qxe7 16. Re1 Qh4 17. N2b3 Nxb3 18. Nxb3 Rh6 19. Qd4 Qxh2+ 20. Kf2 Rg6 21. Rg1 Rf8 22. Raf1 Re8 23. Rd1 Bh3 {0-1 (23) Adhiban,B (2666)-Volokitin,A (2649) Doha 2016}) 12... Ne6 13. f4 {Threatening f5.} f5 14. Nc3 {White is slightly better.} Qb8 15. Ne2 Qb4 $146 ({Predecessor:} 15... g5 16. Ned4 Nd8 17. Nf3 Be6 18. a4 Qb4 19. c3 Qb8 20. Rb1 Nb7 21. Nbd4 Nd8 22. Nb3 Nb7 23. Nbd4 Nd8 24. Nb3 Nb7 25. Nbd4 Nd8 26. Nb3 {½-½ (26) Vega Gutierrez,B (2190)-Gutierrez Olivares,D (2367) Las Palmas 2013}) 16. c3 (16. a3 $14 Qc4 17. Na5) 16... Qc4 $1 $11 17. Na5 Qa6 $1 {[%cal Ra6a5]} 18. b4 c5 {[%cal Bc6c5,Bc5b4][%mdl 32]} 19. Qxd5 {[#]} (19. a3 $11 {and White has nothing to worry.}) 19... Rad8 $1 $19 ({Wrong is} 19... Qxe2 $2 20. Rfe1 $18) 20. c4 cxb4 21. Nd4 $2 (21. Nb3 {only move.}) 21... Bc8 22. Nac6 Bc5 ({But not} 22... Rxd5 23. cxd5 Nxd4 24. Nxe7+ Kf7 25. Bxd4 $19) 23. Nxd8 Rxd8 24. Nxf5 {[#] And now Qf3 would win.} Rxd5 25. cxd5 Bxe3+ 26. Nxe3 Qd3 27. dxe6 (27. Rae1 $142 Nd4 28. Kh1) 27... Qxe3+ 28. Kh1 Bxe6 29. Rae1 Qd3 30. Rd1 Qf5 31. Rd8+ Kf7 32. Rb8 c5 33. Rb7+ Kg6 34. Rxa7 h5 35. h3 Bd5 {( -> ...Qxh3+)} 36. Kg1 c4 37. Re1 Qc2 {Accuracy: White = 25%, Black = 78%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.11"]
[White "Gemy, Jose Daniel"]
[Black "Lagar, Valentin Alejo"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2391"]
[BlackElo "2196"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,60,-37,-39,-51,-46,-52,-50,-46,-49,-109,-101,-94,-83,-95,-71,-93,-82,-128,0,0,30,33,71,-56,-47,-87,-87,-82,-86,-86,-85,-233,-232,-234,-230,-221,0,-170,0,-236,0,-162,0,-207,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. f4 d6 8. fxe5 dxe5 9. Bg5 Qe7 {And now ...Qc5 would win.} 10. Na3 {C50: Hungarian Defence and Giuoco Pianissimo} Rg8 11. Kh1 Bd7 12. Qe1 {Black is slightly better.} Ne6 13. Bh4 (13. Bxf6 $15 gxf6 14. Qe3) 13... g5 $1 $17 {[%cal Rg5h4]} 14. Bf2 Bc6 15. Bb5 $146 ({Predecessor:} 15. Nb5 a6 16. Bxe6 fxe6 17. Nc3 {0-1 (32) Ristic,N (2417)-Glud,J (2511) Marseille 2016}) 15... Bxb5 16. Nxb5 a6 17. Na3 {[%cal Bb5a3,Ba3c4,Bc4e5][%mdl 32]} Qd7 ({Better is} 17... O-O-O $1 $17 18. Bg1 Nf4) 18. Nc4 $1 $11 Qc6 19. Nxe5 Qxc2 20. Bg3 ({White should try} 20. Bg1 $1 $16 Qxb2 21. Rf5) 20... Nf4 $1 $36 {[%csl Gf4][%cal Rc2g2][%mdl 2048] Black is pushing.} 21. Rf2 Qc5 22. Bxf4 gxf4 23. Nd3 Qg5 $1 24. Qb4 (24. Nxf4 $17 {keeps fighting.} O-O-O 25. Rc1) 24... Ng4 $19 25. Rc2 Ne3 26. Rf2 Ng4 (26... Nxg2 $2 27. Rg1 $18 (27. Qxb7 Rd8 $11)) 27. Rc2 $1 Ne3 (27... Qh6 $142 $1 {[%csl Gg4][%cal Rh6h2]} 28. h3 f3 $1 {[%mdl 512]} 29. Qxb7 {[%mdl 64] Double Attack} (29. Rxc7 fxg2+ 30. Kxg2 Ne5+ 31. Kf2 Nxd3+ 32. Ke2 Nxb4 33. Rxf7 O-O-O 34. Rd7 Rxd7 35. Rd1 Qh5+ 36. Kf2 Qxd1 37. h4 Rf7+ 38. Ke3 Rg3#) 29... Rd8 30. Qc6+ Qxc6 31. Rxc6 fxg2+ 32. Kg1 Rxd3 33. hxg4 Rxg4) 28. Rf2 Ng4 ({Not} 28... Nxg2 $2 29. Rg1 $18 (29. Qxb7 Rd8 $11)) 29. Rc2 $1 Ne3 30. Rf2 {[#]} Ng4 $2 {Accuracy: White = 50%, Black = 51%.} ({Wrong is} 30... Nxg2 $2 31. Rg1 $18 (31. Qxb7 Rd8 $11)) (30... O-O-O $1 $19 31. Nxf4 Ng4) 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.12"]
[White "Fiora, Emilio"]
[Black "Lujan, Carolina"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2190"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,44,72,77,67,83,70,64,20,35,4,10,0,0,-42,0,-53,-14,-123,-81,-83,-75,-118,10,10,10,16,14]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 a6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} (6... Qb6 7. Nxc6 bxc6 8. Bd3 Ng6 9. c4 Bc5 10. Nc3 Qc7 11. Kh1 e5 12. Na4 Bd4 13. c5 d6 14. Be3 dxc5 15. Nxc5 Bxb2 {0-1 (56) Adams,M (2712)-Adhiban,B (2668) Douglas 2018}) 7. Be2 Ng6 8. c4 Qc7 9. Be3 Be7 10. Nc3 O-O {LiveBook: 3 Games} 11. Nb3 $146 ({Predecessor:} 11. Rc1 Nxd4 12. Qxd4 d6 13. Rfd1 Rd8 14. Na4 {1-0 (25) Kovacevic,A (2481)-Toma,R (2377) Arad 2017}) 11... b6 12. Rc1 Na5 13. Nd4 Bb7 14. a3 Nf4 (14... Nxc4 $6 15. Bxc4 Qxc4 16. Na4 $16) 15. Bf3 Ng6 $1 ({Much worse is} 15... Nxc4 $6 16. Bxf4 Qxf4 17. Nce2 $16) 16. Na4 Ne5 17. Bf4 ({Better is} 17. Be2 $11) 17... d6 ({But not} 17... Nxf3+ $6 18. Qxf3 d6 19. c5 $11) 18. c5 (18. Re1 $11) 18... bxc5 19. b4 {[#]} Nac6 $1 20. bxc5 Nxf3+ (20... Rad8 $17 {And now ...dxc5 would win.} 21. Nxc6 Bxc6) 21. Nxf3 $11 e5 22. Be3 {Nb6 is the strong threat.} Rad8 {Precision: White = 26%, Black = 45%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.13"]
[White "De Dovitiis, Alejo"]
[Black "Benoit, Rodrigo"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2353"]
[BlackElo "2189"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,43,-12,7,-23,7,-16,-9,-8,29,38,42,43,45,22,20,26,18,31,29,37,37,29,20,12,51,35,68,64,84,77,95,58,135,126]} 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 O-O 5. d3 Nc6 6. Nge2 {C26: Vienna Game: 2...Nf6, sidelines} d6 {LiveBook: 7 Games} 7. h3 Be6 8. Nd5 {The position is equal.} Bxd5 (8... h6 {seems wilder.} 9. O-O a5 10. Nec3 a4 11. Be3 Nd4) 9. exd5 Nb8 $146 ({Predecessor:} 9... Ne7 10. c4 c6 11. dxc6 Nxc6 12. O-O d5 13. Qb3 dxc4 14. dxc4 {1-0 (63) Spangenberg,H (2535)-Hsu,L (2455) Buenos Aires 1992}) 10. O-O Nbd7 11. g4 Kh8 12. Ng3 Ng8 13. Kh2 Ne7 14. f4 exf4 15. Bxf4 Bd4 16. c3 Be5 17. Bxe5 Nxe5 18. d4 $36 {[%mdl 2048] White has good play.} Nd7 19. Qd2 Ng8 20. Rf2 g6 21. Raf1 Kg7 ({Black should try} 21... Qh4 $14) 22. Ne4 {Precision: White = 57%, Black = 45%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.14"]
[White "Hurtado Bahamonde, Rodrigo"]
[Black "Lopez Azambuja, Nicolas"]
[Result "1/2-1/2"]
[ECO "C17"]
[WhiteElo "2172"]
[BlackElo "2320"]
[Annotator "RC"]
[PlyCount "124"]
[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. a3 Ba5 6. b4 cxd4 7. Qg4 Kf8 8. Nb5 Bb6 9. Bd3 Nc6 10. f4 a6 11. Nd6 Bc7 12. Nxc8 Qxc8 13. Nf3 Nge7 14. Qh5 h6 15. Bb2 Bb6 16. g4 g6 17. Qh4 Kg8 18. Rg1 Kf8 19. O-O-O Ke8 20. Kb1 Kd7 21. f5 Qc7 22. f6 Nc8 23. g5 h5 24. Rge1 N8a7 25. Nxd4 Nxd4 26. Bxd4 Bxd4 27. Qxd4 Nb5 28. Bxb5+ axb5 29. Re3 Rhc8 30. Rd2 Qc4 31. Kb2 Rc6 32. Red3 Qxd4+ 33. Rxd4 Rac8 34. h4 Rc3 35. R4d3 Rxd3 36. cxd3 d4 37. Re2 Rc3 38. Re4 Rxd3 39. Kc2 Re3 40. Rxd4+ Kc7 41. a4 Rxe5 42. axb5 Rxb5 43. Rc4+ Kd7 44. Kd3 Rd5+ 45. Ke3 Rd1 46. Kf3 Rd3+ 47. Ke2 Rd6 48. Ke3 Rc6 49. Rd4+ Kc7 50. Kf3 b5 51. Ke3 Rd6 52. Rf4 Rd1 53. Rf2 Rc1 54. Ra2 Kb7 55. Ra5 Kb6 56. Ra8 Rc7 57. Rb8+ Kc6 58. Ke4 Rd7 59. Rc8+ Kb7 60. Rf8 Kc6 61. Rc8+ Kb7 62. Rf8 Kc6 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.15"]
[White "Granara Barreto, Sebastian"]
[Black "Felgaer, Ruben"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "2134"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,58,-11,-9,-8,-7,0,-16,-10,-27,-24,-30,-33,-45,-46,-53,-47,-62,-56,-61,-48,-81,-90,-101,-89,-108,-76,-78,-39,-99,-87,-91,-80,-415,-404,-351,-313,-320,-269,-425,-428,-447,-450,-743,-712]} 1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 d6 6. O-O Nh6 7. d3 Nf5 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} 8. e4 (8. Bd2 O-O 9. Rb1 Qd7 10. a3 b6 11. b4 Bb7 12. e3 Rac8 13. Ne1 Rfd8 14. Qe2 e6 15. Nc2 Nce7 16. Bxb7 Qxb7 17. bxc5 dxc5 {1-0 (60) Caruana,F (2791)-Iturrizaga Bonelli,E (2653) Dubai 2014}) 8... Nfd4 9. Nxd4 {LiveBook: 5 Games} cxd4 $146 {The position is equal.} ({Predecessor:} 9... Nxd4 10. Ne2 Nc6 11. Rb1 O-O 12. a3 a5 13. Be3 Bg4 14. h3 Bxe2 15. Qxe2 Qd7 16. a4 Rae8 17. b3 e6 18. Qd2 b6 19. Kh2 Nd4 20. Bxd4 Bxd4 21. f4 f5 {½-½ (21) Svetac,N (2328)-Mijailovic,Z (2399) Belgrade 2008}) 10. Ne2 O-O 11. Rb1 a5 12. a3 Rb8 13. Qc2 Bd7 14. b3 Qc7 15. Nf4 e6 16. Bd2 b5 17. Rfc1 Rfc8 18. Ne2 Qa7 19. f4 Nd8 20. Be1 bxc4 21. bxc4 Nb7 {White must now prevent ...Nc5.} 22. Rb2 (22. Bf2 $15) 22... Nc5 $17 23. Rcb1 Ba4 24. Rxb8 $4 {[%mdl 8192] [#]} (24. Qd2 $17) 24... Rxb8 $19 (24... Bxc2 25. Rxc8+ Bf8 26. Rbb8 $11) 25. Rxb8+ Qxb8 26. Qd2 Qb3 27. Bf2 (27. Nc1 $142 Qxa3 28. f5) 27... e5 {Black is clearly winning.} 28. Bf1 Qxd3 29. Qxa5 (29. Qxd3 $142 Nxd3 30. Kg2) 29... Qxe4 {Precision: White = 27%, Black = 82%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.16"]
[White "Tristan, Leonardo"]
[Black "Moccero, Eduardo"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2493"]
[BlackElo "1950"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,53,6,0,-2,8,6,8,3,16,-4,69,69,89,69,77,77,77,77,77,77,77,77,102,104,102,75,75,75,143,151,182,175,264,258,280,267,357,353,402,273,320,332,310,300]} 1. d4 d5 2. Bg5 Nf6 3. Nd2 e6 4. e3 Be7 5. Bd3 Nbd7 6. f4 c5 {White should prevent ...Qb6.} 7. c3 {D00: 1 d4 d5: Unusual lines} b6 (7... h6 8. Bh4 b6 9. Ngf3 Bb7 10. Ne5 O-O 11. O-O Ne4 12. Bxe7 Qxe7 13. a4 Ndf6 14. a5 Nxd2 15. Qxd2 c4 16. Bc2 b5 17. f5 exf5 18. Rxf5 Bc8 19. Rf4 {1-0 (62) Kryakvin,D (2588)-Chen,Q (2437) St Petersburg 2018}) 8. Ngf3 Bb7 9. Ne5 {The position is equal.} O-O 10. Qf3 Ne4 (10... h6 $11 11. Bxf6 Bxf6) 11. Bxe7 $14 Qxe7 12. Nxe4 {[#] Threatens to win with Nd2.} dxe4 13. Bxe4 Nxe5 $146 ({Predecessor:} 13... Bxe4 14. Qxe4 Nxe5 15. fxe5 f6 16. exf6 Qxf6 {½-½ (27) Mai,T (2232)-Huynh Thi Hong,C Tan Binh 2000}) 14. dxe5 Bxe4 15. Qxe4 Rad8 16. Rd1 g6 17. Ke2 Qc7 18. h4 Rxd1 19. Rxd1 $16 {[%mdl 4096] Endgame KQR-KQR} h5 ({Black should try} 19... Rd8) 20. Rd6 Kg7 21. Qc6 $36 {[%mdl 2048] Keeping Black busy.} Qe7 (21... Rc8 {was called for.} 22. Qd7 Qb8) 22. g3 Rd8 23. a4 Kh7 24. Kd3 Rb8 25. Kc2 Rd8 26. Kb3 Kg7 27. Kc4 {Accuracy: White = 79%, Black = 36%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.17"]
[White "Barreto, Ignacio C. de Barro"]
[Black "Guerrero, Alvaro"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2212"]
[BlackElo "2096"]
[Annotator "NA"]
[PlyCount "71"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. Bc4 Nf6 5. Qe2 O-O 6. O-O c6 7. Bb3 Qc7 8. e5 dxe5 9. dxe5 Nd5 10. h3 e6 11. Re1 Nd7 12. c4 Ne7 13. Bg5 Re8 14. Nc3 h6 15. Bf4 b6 16. Ne4 Rf8 17. Rad1 Kh7 18. Bh2 Kh8 19. Bc2 a5 20. Nd6 Nc5 21. g4 Bd7 22. h4 Kg8 23. Bb1 Rfd8 24. h5 Be8 25. Nh4 g5 26. Nf3 Kf8 27. Nd2 Nc8 28. N2e4 Nxe4 29. Qxe4 Qe7 30. Rd3 Na7 31. f4 c5 32. Rf1 Bc6 33. Qh7 Nc8 34. fxg5 Nxd6 35. gxh6 Nf5 36. hxg7+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.18"]
[White "Curi, Gabriel"]
[Black "Malan, Lucia"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2159"]
[BlackElo "1851"]
[Annotator "NA"]
[PlyCount "49"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 O-O 7. Qc2 Nbd7 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. e4 Nb4 11. Qd2 c5 12. a3 Nc6 13. Be2 Nxd4 14. Nxd4 cxd4 15. Qxd4 Nc5 16. Rd1 b6 17. b4 e5 18. Qe3 Ne6 19. Nd5 Qg5 20. Qg3 Qxg3 21. hxg3 Nd4 22. Bc4 Nc2+ 23. Kd2 Nd4 24. Ne7+ Kh8 25. Rxh7+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.19"]
[White "Sosa Macho, Juan Manuel"]
[Black "Sarquis, Maria Belen"]
[Result "1/2-1/2"]
[ECO "E48"]
[WhiteElo "2079"]
[BlackElo "2164"]
[Annotator "NA"]
[PlyCount "73"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. Nge2 Re8 8. O-O Bd6 9. f3 c5 10. Kh1 Nc6 11. Nb5 Bf8 12. dxc5 Bxc5 13. Nbd4 Bd7 14. a3 Rc8 15. b4 Bb6 16. Nxc6 bxc6 17. Nd4 c5 18. bxc5 Bxc5 19. Re1 Qe7 20. Bb2 Rb8 21. Qd2 a5 22. Qf2 a4 23. Re2 Rxb2 24. Rxb2 Qxe3 25. Qxe3 Rxe3 26. Rb8+ Be8 27. Bb5 Bxd4 28. Rd1 Bc5 29. g4 Rb3 30. Rxe8+ Nxe8 31. Bxe8 d4 32. Bxa4 Rxf3 33. Rc1 Bxa3 34. Rc8+ Bf8 35. Rd8 Rd3 36. Bb5 Rf3 37. Re8 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.20"]
[White "Silva Rosas, Natalia"]
[Black "Trois, Francisco R.T."]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1830"]
[BlackElo "2152"]
[Annotator "NA"]
[PlyCount "14"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 g6 2. d4 Bg7 3. Bc4 d6 4. f4 c5 5. Nf3 cxd4 6. c3 d5 7. exd5 dxc3 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.21"]
[White "Munoz Perez, Rolando"]
[Black "Quevedo, Andreina"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2130"]
[BlackElo "1819"]
[Annotator "NA"]
[PlyCount "55"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 d6 6. e3 c5 7. d5 h6 8. Bh4 g5 9. Bg3 Nh5 10. Qc2 f5 11. Bd3 Na6 12. a3 Nc7 13. Rd1 Qe8 14. O-O a6 15. b4 b5 16. bxc5 Nxg3 17. hxg3 dxc5 18. e4 Qf7 19. cxb5 axb5 20. Nxb5 Nxb5 21. Bxb5 fxe4 22. Qxe4 Rxa3 23. d6 Be6 24. Rfe1 g4 25. Qxe6 gxf3 26. dxe7 Qxe6 27. exf8=Q+ Bxf8 28. Rxe6 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.22"]
[White "Arcos Facio, Mateo"]
[Black "Visillac, Alejandro"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2107"]
[BlackElo "1803"]
[Annotator "NA"]
[PlyCount "104"]
[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. g3 Bg7 4. Bg2 c5 5. e3 Nc6 6. Nge2 O-O 7. O-O d6 8. a3 Bf5 9. e4 Be6 10. d3 Qc8 11. Nf4 Bd7 12. Rb1 e5 13. Nfd5 Nxd5 14. Nxd5 Be6 15. b4 b6 16. Qa4 Bxd5 17. exd5 Nd4 18. Be3 Ne2+ 19. Kh1 Nc3 20. Qc6 Nxb1 21. Rxb1 Rd8 22. h4 Qd7 23. bxc5 dxc5 24. Qxd7 Rxd7 25. a4 Bf8 26. h5 Bd6 27. g4 Rb8 28. Bg5 Be7 29. Bxe7 Rxe7 30. g5 f5 31. gxf6 Rf7 32. Re1 Rxf6 33. Rxe5 Rxf2 34. hxg6 hxg6 35. Be4 Kg7 36. Re6 Rf6 37. Re7+ Rf7 38. Re6 Rh8+ 39. Kg2 Rh6 40. a5 bxa5 41. Rc6 Rh4 42. Rxc5 Rff4 43. Rc7+ Kf6 44. Rc6+ Ke5 45. Rxg6 Rhg4+ 46. Rxg4 Rxg4+ 47. Kf3 Rxe4 48. dxe4 a4 49. c5 a3 50. c6 Kd6 51. e5+ Kc7 52. e6 Kd6 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.23"]
[White "Zaruski, Julio"]
[Black "Meza, Anahi"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "1823"]
[BlackElo "2058"]
[Annotator "NA"]
[PlyCount "60"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 d6 5. Nf3 e5 6. O-O c6 7. d3 Nbd7 8. Bd2 O-O 9. Rb1 a5 10. Qc1 Re8 11. b3 Nc5 12. Ne1 e4 13. d4 Ne6 14. Nc2 d5 15. c5 b6 16. cxb6 Qxb6 17. Na4 Qa7 18. Bc3 Ba6 19. Qd2 Bb5 20. Rfc1 Ng4 21. h3 Bh6 22. e3 Nf6 23. Nc5 Ng5 24. Ne1 a4 25. bxa4 Ba6 26. Rb3 Nd7 27. a5 Nxc5 28. dxc5 Ne6 29. Rb6 Qd7 30. Rd1 Bf8 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.24"]
[White "Ortiz, Jorge"]
[Black "Torella, Rodolfo"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1809"]
[BlackElo "2022"]
[Annotator "NA"]
[PlyCount "108"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Nc3 c6 6. Bd3 Nbd7 7. O-O e5 8. Be3 O-O 9. a4 {B08: Pirc Defence: Classical System} (9. Qd2 Re8 10. Rad1 b5 11. dxe5 dxe5 12. a4 a6 13. Ne2 Qe7 14. Ng3 Bb7 15. a5 c5 16. c4 b4 17. Bh6 {1-0 (49) Saric,I (2669)-Ponomariov,R (2694) Katowice 2017}) 9... a5 10. Qd2 Re8 11. dxe5 dxe5 12. Bc4 Qe7 13. Rfd1 Nc5 14. Ng5 Ne6 15. Qd6 $146 ({Predecessor:} 15. Nxe6 Bxe6 16. Bxe6 Qxe6 17. Bh6 {1-0 (76) Conte,A (1524)-Schwarzkopf,R (1241) Worms 2013}) 15... Qxd6 16. Rxd6 Bf8 17. Rdd1 Bb4 18. Nxe6 Bxe6 19. Bxe6 Rxe6 20. f3 Kf8 21. Ne2 Ke8 22. Rd3 Nd7 23. Rdd1 Rd8 24. Nc1 f5 25. Nb3 f4 26. Bf2 b6 27. Rd3 Bd6 28. Rad1 Bc7 29. Nd2 Bd6 30. Nc4 Bc7 31. Bh4 Nf6 32. Rxd8+ Bxd8 33. Bxf6 Rxf6 34. Nxe5 b5 35. axb5 cxb5 36. Rd5 b4 37. b3 Ra6 $16 38. Nd3 Rc6 39. Ne1 Bh4 40. Nd3 Rxc2 41. g3 fxg3 42. Rxa5 Rc3 43. Ra8+ Kf7 44. Ra7+ Kg8 45. Ra8+ Kg7 46. Ra7+ Kh6 47. Nxb4 Rxb3 48. Nd5 Rxf3 49. Ra1 Rd3 50. Kg2 Rd2+ 51. Kg1 Re2 52. Ra4 Bg5 53. Nc3 Be3+ 54. Kf1 g2+ 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.25"]
[White "Vazquez, Facundo"]
[Black "De Haro, Martim Afonso Palma"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2019"]
[BlackElo "1790"]
[Annotator "NA RC"]
[PlyCount "52"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. Nc3 Nbd7 7. Qc2 c6 8. e3 O-O 9. Bd3 Re8 10. O-O Nf8 11. Rab1 g6 12. b4 a6 13. a4 Ne6 14. Bh4 Ng7 15. b5 axb5 16. axb5 Bf5 17. bxc6 bxc6 18. Ne5 Qc8 19. Rb6 Bd7 20. Na4 Bd8 21. Bxf6 Bxf6 22. Nxd7 Qxd7 23. Rxc6 Bd8 24. Bb5 Rf8 25. Rc5 Qg4 26. Bc6 Rb8 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.26"]
[White "Alvarez Ramirez, Miguel Angel"]
[Black "Augoustis Funti, Alexis"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2282"]
[BlackElo "1984"]
[Annotator "NA"]
[PlyCount "55"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e6 2. f4 d5 3. exd5 exd5 4. Nf3 Bd6 5. d4 Bg4 6. Bd3 Nc6 7. c3 Qd7 8. O-O O-O-O 9. Qc2 Nh6 10. Ne5 Bxe5 11. fxe5 Kb8 12. Na3 Bh5 13. Bxh6 gxh6 14. Bxh7 Ne7 15. Rf6 Ng6 16. Bxg6 Bxg6 17. Qe2 Rdg8 18. Raf1 a6 19. R1f2 Rg7 20. Nc2 Be4 21. Ne3 h5 22. Qf1 Rhh7 23. c4 dxc4 24. Qxc4 Qh3 25. Rxf7 Qxe3 26. Qxc7+ Ka8 27. Qc8+ Ka7 28. Qc5+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.27"]
[White "Gaye, Gustavo"]
[Black "Martinez, Carlos Alejandro"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1984"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,39,0,8,0,23,32,47,58,56,64,48,47,160,142,152,70,75,62,71,60,70,61,104,97,289,311,939,936,954,969,969,951]} 1. g3 e5 2. Bg2 d5 3. c4 c6 4. cxd5 cxd5 5. d4 e4 6. f3 {A20: English Opening: 1...e5} (6. Nh3 Bb4+ 7. Bd2 Qe7 8. O-O Nf6 9. Qa4+ Nc6 10. Bxb4 Qxb4 11. Qxb4 Nxb4 12. Nc3 Bf5 13. Rac1 Nc6 {1-0 (73) Lenderman,A (2611)-Krysa,L (2548) chess.com INT 2018}) 6... f5 7. Nh3 Nf6 8. O-O {White is slightly better.} Bd6 $146 ({Predecessor:} 8... Be7 9. Bg5 Qb6 10. Nc3 Be6 11. Nf4 Nbd7 12. e3 O-O 13. fxe4 fxe4 {1-0 (25) Navratil,R (2121)-Bitter,F (1914) Fuerth 2015}) 9. Nc3 Nc6 10. Bg5 {Hoping for Nxd5!} Bb8 ({Better is} 10... Be6 $14) 11. Bxf6 $16 Qxf6 12. fxe4 ({White should try} 12. Nxd5 $16 Qxd4+ 13. Qxd4 Nxd4 14. fxe4) 12... dxe4 $14 13. Bxe4 Qxd4+ 14. Qxd4 Nxd4 15. Bd5 Nc2 16. Rac1 $36 {[%mdl 2048] White is in control.} Ne3 $2 (16... Nb4 $16 {was called for.}) 17. Nd1 $18 {[%mdl 64] [#] Discovered Attack} Nxf1 $2 (17... Bf4) 18. Rxc8+ {White is clearly winning.} Ke7 19. Rxh8 Nd2 20. Bxb7 {Accuracy: White = 79%, Black = 11%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.28"]
[White "Areco, Antonio"]
[Black "Soto, Nicolas"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1750"]
[BlackElo "1982"]
[Annotator "NA RC"]
[PlyCount "137"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. d3 Bb4 5. Bd2 d5 6. cxd5 Nxd5 7. Bg2 Be6 8. Nf3 h6 9. O-O O-O 10. a3 Nxc3 11. bxc3 Ba5 12. Rb1 Bb6 13. Qa4 Rb8 14. c4 a6 15. Bc3 Bd7 16. Qb3 Re8 17. Qb2 Qe7 18. Rfd1 Rbd8 19. Rd2 Bc8 20. Rbd1 Nd4 21. e3 Nxf3+ 22. Bxf3 Qf6 23. Bg2 Bg4 24. Re1 Bc8 25. f4 Qg6 26. Be4 Bf5 27. Bxf5 Qxf5 28. fxe5 Rxd3 29. Bd4 Rxd2 30. Qxd2 Rd8 31. Qc3 c5 32. Qb2 Qe6 33. Bc3 Rd7 34. Qe2 Bc7 35. e4 Bxe5 36. Bxe5 Qxe5 37. Rf1 Qd4+ 38. Kg2 Qd2 39. Kf2 Qxe2+ 40. Kxe2 Rd4 41. Rb1 Rxe4+ 42. Kd3 Re7 43. a4 Kf8 44. a5 Ke8 45. Rf1 Kd7 46. g4 f6 47. h4 Re5 48. Rb1 Kc8 49. Rf1 Kc7 50. Rb1 Re6 51. Rg1 Rd6+ 52. Kc3 Rd4 53. g5 hxg5 54. hxg5 f5 55. Re1 Re4 56. Rf1 g6 57. Rh1 Rg4 58. Rh7+ Kc6 59. Rf7 Rxg5 60. Rf6+ Kc7 61. Rf7+ Kb8 62. Kb3 Rg3+ 63. Ka4 Rg1 64. Rg7 g5 65. Rf7 g4 66. Rxf5 g3 67. Rf8+ Ka7 68. Rg8 g2 69. Rg3 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.29"]
[White "Gomez Troccoli, Martin"]
[Black "Reolon, Victor"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1976"]
[BlackElo "1714"]
[Annotator "NA"]
[PlyCount "85"]
[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. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 b6 9. O-O Nb4 10. Bb1 Ba6 11. Nf3 Rc8 12. Re1 Be7 13. Nc3 Rc7 14. a3 Nc6 15. Qa4 Qc8 16. Bf4 Bc4 17. Qd1 Nd8 18. Ng5 Nf8 19. Qh5 h6 20. Nf3 Qa6 21. Bc2 Bd3 22. Ba4+ b5 23. Bb3 Bg6 24. Qh3 Qc6 25. a4 b4 26. a5 bxc3 27. Ba4 Qxa4 28. Rxa4 cxb2 29. Nd2 Rc1 30. Qe3 Bc2 31. Ra2 b1=Q 32. Nxb1 Bxb1 33. Rxc1 Bxa2 34. Rc7 a6 35. Rxe7+ Kxe7 36. Qa3+ Ke8 37. Qxa2 Ng6 38. Qa4+ Kf8 39. Bd2 Kg8 40. Qd7 Kh7 41. g3 h5 42. h4 Rg8 43. Bg5 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.30"]
[White "Chamlian, Aram"]
[Black "Siddeley, Hugh"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1739"]
[BlackElo "1968"]
[Annotator "NA"]
[PlyCount "75"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. Bd2 O-O 9. exd5 Re8+ 10. Be2 Qe7 11. Be3 Nxd5 12. Qd3 a5 13. O-O Nxe3 14. Qxe3 Qxe3 15. fxe3 Rxe3 16. Rf3 Bc5 17. Rxe3 Bxe3+ 18. Kf1 Be6 19. Rd1 g6 20. Ne4 h6 21. b3 Kg7 22. Bf3 a4 23. Nc3 axb3 24. cxb3 Ra5 25. Rd3 Bf4 26. g3 Bf5 27. Be4 Bxe4 28. Nxe4 Be5 29. a4 Rd5 30. Rxd5 cxd5 31. Nc5 Bc3 32. Nb7 Kf6 33. a5 Bd4 34. b4 Ke7 35. a6 Kd7 36. b5 c6 37. bxc6+ Kc7 38. Na5 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.31"]
[White "Araque, Jairo"]
[Black "Lanaro, Emilio"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1961"]
[BlackElo "1696"]
[Annotator "NA"]
[PlyCount "131"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7 4. e4 d6 5. Qd2 O-O 6. f3 c5 7. dxc5 dxc5 8. Bd3 Nc6 9. Bh6 Ne5 10. Bxg7 Nxd3+ 11. cxd3 Kxg7 12. O-O-O b6 13. Nge2 Ba6 14. Qe3 Qc7 15. g4 Rad8 16. g5 Nh5 17. Nd5 Qb7 18. Ng3 Nxg3 19. hxg3 Qd7 20. Rh2 Bb7 21. Rdh1 Rh8 22. Qe1 Bxd5 23. Qc3+ f6 24. gxf6+ exf6 25. exd5 Qxd5 26. Re1 Rhe8 27. Rxe8 Rxe8 28. Qd2 Qg5 29. Qxg5 fxg5 30. Kd2 h5 31. Rh1 Kf6 32. Rc1 h4 33. Rh1 Rh8 34. Ke3 Ke5 35. Rh2 Kf5 36. Rh1 h3 37. g4+ Ke5 38. Rh2 a5 39. a4 Rh7 40. b3 Rh8 41. Ke2 Kd4 42. Kd2 Rh7 43. Ke2 Kc3 44. Ke3 Kxb3 45. f4 gxf4+ 46. Kxf4 Kxa4 47. Kg5 Kb3 48. Kxg6 Rh8 49. Kg7 Rh4 50. g5 a4 51. Kf6 a3 52. g6 a2 53. Rh1 Kb2 54. Rh2+ Kb3 55. Rh1 h2 56. Kg5 Rh8 57. g7 Rg8 58. Kf6 Kb2 59. Rxh2+ Kb3 60. Rh1 c4 61. dxc4 Kxc4 62. Rh4+ Kb5 63. Rh1 Ka4 64. Rh4+ Ka5 65. Rh1 Ka4 66. Rh4+ 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.10"]
[Round "3.32"]
[White "Aguerre, Valentin"]
[Black "Escofet, Jaime"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1694"]
[BlackElo "1957"]
[Annotator "NA"]
[PlyCount "77"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 e6 2. Bf4 c5 3. c3 cxd4 4. cxd4 Qb6 5. Qd2 Nf6 6. Nc3 Bb4 7. a3 Be7 8. Nf3 Nc6 9. h3 O-O 10. e3 Na5 11. Rd1 d5 12. Na4 Qd8 13. Bd3 Bd7 14. Nc3 Rc8 15. O-O a6 16. Ne5 b5 17. Na2 Nc4 18. Nxc4 bxc4 19. Bc2 Bb5 20. Nc3 Qb6 21. Rb1 Bd7 22. f3 Bd6 23. Bxd6 Qxd6 24. e4 Qg3 25. e5 Nh5 26. f4 f5 27. exf6 Rxf6 28. Ne2 Qh4 29. Kh2 Rf7 30. Qe3 Nf6 31. Kg1 Ne8 32. Nc3 Qf6 33. f5 Nc7 34. fxe6 Qxe6 35. Qxe6 Bxe6 36. Rxf7 Bxf7 37. Rf1 h6 38. b3 Nb5 39. Nxb5 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.1"]
[White "Bitelmajer, Martin"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2453"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,78,22,27,18,7,10,0,0,-25,-18,-22,-18,-33,0,-36,-13,-38,0,-16,-21,-80,-77,-102,-100,-194,-198,-237,-225,-309,-312,-470,-431,-469,-482,-465,-458,-471,-457,-487,-436,-552,-537,-743,-745,-716,-646,-608,-609,-695,-119,-1009,-410,-377,0,-1015,-1017,-1014,-825,-1004,-919,-1204,-1211]} 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. Nh4 (11. Bg5 h6 12. Bxf6 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}) 11... Bg4 12. h3 Nh5 {The position is equal.} 13. Bd2 Bd7 {[#]} 14. Qc1 $146 ({Predecessor:} 14. Qb3 b5 15. Nxb5 Rxe2 16. Bc3 Bxb5 17. Qxb5 Re7 18. Rfe1 Bxc3 19. bxc3 Rxe1+ 20. Rxe1 {½-½ (28) Gleizerov,E (2513)-Sadzikowski,D (2567) Suwalki 2018}) 14... b5 15. a3 Na6 {[%cal Bb8a6,Ba6c5,Bc5a4][%mdl 32]} 16. Kh2 f5 17. Nf3 c4 18. Bh6 Bf6 19. Qc2 (19. a4 $11 {keeps the balance.}) 19... Nc5 $17 20. Rad1 {[#]} a5 $1 {White must now prevent ...b4.} 21. a4 (21. e3 $17) 21... b4 $19 {[%cal Bb5b4,Bb4b3][%mdl 32]} ({Don't do} 21... bxa4 22. Nd2 $15) ({Much less strong is} 21... Nxa4 22. Nxa4 bxa4 23. Nd4 $15) 22. Nb5 {[#]} Qb6 $1 23. g4 {[#]} Nxa4 $1 {[%mdl 512]} 24. Nbd4 (24. Qxa4 {was forced.} Bxb5 25. Qc2) 24... b3 25. Qc1 fxg4 26. hxg4 Bxg4 27. Be3 Qc7 28. Rd2 Rac8 29. Qa1 Nc5 30. Rc1 {[#]} Rxe3 $1 31. fxe3 Qe7 32. Rxc4 Qxe3 {...Qf4+ is the strong threat.} 33. Qc1 Bxd4 $2 (33... Re8 $19 {and Black stays clearly on top.} 34. Qe1 Qf4+ 35. Kh1 Ne4) 34. Nxd4 $2 {[%mdl 8192]} (34. Rdxd4 $17 Qxc1 35. Rxc1) 34... Qe5+ (34... Qg3+ $142 35. Kh1 Rf8) 35. Kg1 Qe3+ $2 (35... Nf4 36. e4 Bh3) 36. Kh2 $1 Qg3+ {Black is clearly winning.} 37. Kh1 Rf8 38. Nf3 Nf4 {[%csl Gf4][%cal Rg3g2]} 39. Qg1 Bxf3 {Accuracy: White = 24%, Black = 58%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.2"]
[White "Roselli Mailhe, Bernardo"]
[Black "Hernandez Guerrero, Gilberto"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2434"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,72,16,17,26,21,26,38,56,0,0,0,0,0,0,0,0,0,0,0,0,0,17,-32,8,0,0,0,0,8,7,0,0,0,31,0,0,0,12,-10,0,-51,-60,-60,-65,-100,-106,-117,-77,-179,-179,-297,-266,-257,-242,-229,-237,-705,-631,-613,-617,-603,-561,-6211,-6195]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e4 d6 {E11: Bogo-Indian} (6... d5 7. e5 Nfd7 8. Bd3 c5 9. h4 g6 10. O-O Nc6 11. Nb3 dxc4 12. Bxc4 cxd4 13. Re1 a5 14. Bh6 Re8 15. Rc1 Nb6 {1-0 (39) Ding,L (2804)-Saric,I (2689) Batumi 2018}) 7. Bd3 Nfd7 8. Nf1 $146 ({Predecessor:} 8. O-O e5 9. d5 a5 10. Nb1 Nc5 11. Bc2 f5 12. exf5 Bxf5 13. Be3 Nbd7 14. Nbd2 {0-1 (49) Mchedlishvili,M (2608)-Stupak,K (2573) St Petersburg 2018}) 8... e5 {White is slightly better.} 9. Ng3 (9. d5 $1 $14) 9... exd4 $1 $11 10. Nxd4 Bf6 11. Nc2 {[%cal Bd4c2,Bc2e3,Be3d5][%mdl 32]} Nc5 12. Ne3 Nc6 13. O-O a5 14. Rb1 a4 15. Nd5 Be6 16. Re1 Bd4 17. Bc2 Re8 18. Be3 Bxe3 19. Rxe3 Ne5 $36 {[%mdl 2048] Black is pushing.} 20. Rc3 Bxd5 21. cxd5 g6 22. f4 Ned7 23. Qf3 Qf6 24. Rf1 Ra5 25. e5 (25. Qd1 $11) 25... dxe5 $15 26. f5 {[#] fxg6 is the strong threat.} e4 $1 {[%mdl 512]} 27. Qf4 {Threatening fxg6.} (27. Bxe4 g5) 27... Qd4+ 28. Kh1 Qxd5 29. Qxc7 {[#]} (29. Re3 $17) 29... Rb5 $1 $19 30. Rd1 {[#]} (30. Qf4 {keeps fighting.}) 30... Nd3 $1 {[%cal Rd3f2] And now ...Nf2+ would win.} 31. Rf1 Rc5 32. Rxc5 N7xc5 33. Nxe4 $2 (33. h3) 33... Qxe4 {Black is clearly winning.} 34. fxg6 Qxg6 {Strongly threatening ...Re2.} 35. Bxd3 Nxd3 36. Qxb7 {[#]} Qf5 $1 {[%mdl 512] Precision: White = 30%, Black = 65%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.3"]
[White "Rodriguez Vila, Andres"]
[Black "De Dovitiis, Alejo"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2486"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,59,47,25,68,67,52,66,74,61,79,54,72,37,106,93,234,244,494,344,417,429,446,449,474,470,484,476,979,449,447,457,433,448,635,626,592,491]} 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4 Re8 9. f3 Nc6 10. Be3 Nh5 11. Nxc6 bxc6 12. Qd2 f5 13. exf5 gxf5 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} 14. Bg5 Qd7 15. Rae1 Qf7 {White is slightly better.} 16. Bd1 $146 {Rxe8+ is the strong threat.} ({Predecessor:} 16. f4 Bd7 17. Bf3 Rxe1 18. Rxe1 Re8 19. Rxe8+ Qxe8 20. Bh4 Nf6 21. Bf2 {0-1 (42) Pantovic,D (2153)-Banikas,H (2548) Kavala 2005}) 16... Be6 17. b3 f4 18. Bc2 c5 (18... Bf5 $14) 19. Bh4 $16 c6 (19... Bd4+ $16 20. Kh1 Be3) 20. Ne4 $1 $18 h6 $2 (20... Bd4+ 21. Bf2 Qe7 22. Bxd4 cxd4 23. Qxd4 Rad8) 21. Qxd6 Bd4+ 22. Bf2 Rad8 {White is clearly winning.} 23. Qxc6 Rc8 24. Qa6 {Threatens to win with Bxd4.} Qg7 {Strongly threatening ...Bh3.} 25. Kh1 Kh8 (25... Bxf2 $142 26. Nxf2 Bd7) 26. Nxc5 (26. Bxd4 $142 cxd4 27. Nd6) 26... Rxc5 27. Rxe6 ({Don't go for} 27. Bxd4 $2 {[#]} Ng3+ $1 {[%mdl 512]} 28. Kg1 Qxd4+ 29. Rf2 Nh1 $1 $19 {[%mdl 512]}) 27... Rxe6 28. Qxe6 {Qe8+ would kill now.} Ng3+ (28... Bxf2 $142 29. Qe8+ Qg8 30. Qxg8+ Kxg8 31. Rxf2 Re5) 29. Bxg3 fxg3 30. Rd1 {Accuracy: White = 59%, Black = 29%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.4"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Ricardi, Pablo"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2426"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,73,0,0,0,0,0,0,0,-28,-30,-38,-13,-31,-22,-31,-28,-30,-27,-127,-115,-123,-126,-105,-103,-240,-208,-300,-269,-305,-276,-269,-269,-268,-268,-451,-418,-385,-444,-415,-388,-371,-379,-468,-468,-29992,-29993,-29993,-682,-705,-700,-29994,-29995,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. g3 d5 2. Bg2 Nf6 3. d3 c5 4. f4 Nc6 5. Nf3 g6 6. O-O {[%cal Bh1f1,Bf1f2,Bf2d2][%mdl 32]} Bg7 7. Qe1 O-O 8. e4 dxe4 {A03: Bird's Opening with 1...d5} 9. dxe4 {[#]} e5 $1 {[%mdl 512]} 10. Nc3 (10. Nxe5 Nxe5) 10... Nd4 {The position is equal.} 11. Rf2 exf4 12. Bxf4 Re8 $146 ({Predecessor:} 12... Qb6 13. Rb1 Be6 14. h3 Nh5 15. Ng5 Rad8 16. Nxe6 fxe6 {½-½ (53) Shabalov,A (2544)-Banusz,T (2641) chess.com INT 2018}) 13. Rd2 Qb6 $36 {[%mdl 2048] Black has good play.} 14. e5 Qxb2 15. Nxd4 cxd4 16. exf6 (16. Ne2 $11) 16... Rxe1+ $17 17. Rxe1 {[#]} Bg4 $1 ({Not} 17... Qxc3 18. Re8+ Bf8 19. Bh6 $16) ({Inferior is} 17... Bxf6 18. Nd5 $14) 18. Nd5 Bf8 19. c4 (19. c3 $17 Qa3 20. cxd4) 19... Qa3 $19 20. Ne7+ (20. h4 $142) 20... Bxe7 $1 21. Rxe7 {Threatens to win with Bd5.} Bf3 22. Bxf3 Qxf3 23. Rxd4 Qc3 24. Be5 $2 (24. Rd1) 24... Qe1+ 25. Kg2 Qe2+ 26. Kg1 {aiming for Bb8!} Qe3+ 27. Kg2 {Hoping for Bb8!} h6 28. Rdd7 Qe2+ 29. Kh3 (29. Kg1 $19 Qxc4 30. h4) 29... Qf1+ 30. Kh4 Qxc4+ (30... Qf5 $142 31. Rd8+ Rxd8 32. Re8+ Rxe8 33. g4 Qxe5 34. Kh3 Qc3+ 35. Kh4 Re3 36. g5 Qxc4#) 31. g4 Qxa2 {( -> ...Qf2+)} 32. Rxb7 Qf2+ {Black mates.} 33. Kh3 Qf3+ 34. Bg3 Qf1+ 35. Kh4 g5+ 36. Kh5 Qh3+ 37. Bh4 Qxh4# {Precision: White = 33%, Black = 82%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.5"]
[White "Muniz, Rafael"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "2250"]
[BlackElo "2461"]
[Annotator "ChessBase"]
[PlyCount "114"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 h5 9. O-O-O Nbd7 10. Kb1 b5 11. Bg5 Bb7 12. Nb3 Rc8 13. Bd3 Qc7 14. Rhe1 Nb6 15. f4 Nh7 16. Bh4 Bxc3 17. Qxc3 Qxc3 18. bxc3 Na4 19. Rd2 Nxc3+ 20. Ka1 Rc7 21. e5 d5 22. Nd4 e6 23. h3 Kd7 24. Rf2 Ne4 25. Rf3 Kc8 26. Re2 Kb8 27. Be1 Nf8 28. Bb4 Nd7 29. Re1 Ndc5 30. Rfe3 Rcc8 31. Nf3 Nxd3 32. cxd3 Ng3 33. Nd4 Nf5 34. Nxf5 gxf5 35. d4 Rhg8 36. R3e2 Rc4 37. Bc5 Kc7 38. Kb2 Kc6 39. Rf1 a5 40. a3 Ba6 41. Rf3 b4 42. Rd2 Rxc5 43. dxc5 Bc4 44. Re3 Kxc5 45. axb4+ Kxb4 46. g4 hxg4 47. Rg3 a4 48. Rdg2 d4 49. hxg4 fxg4 50. Rxg4 a3+ 51. Ka1 Rh8 52. Rg1 d3 53. Rg7 Rf8 54. Rb1+ Kc3 55. Rc1+ Kd4 56. Rg4 Bb3 57. f5+ Kxe5 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.6"]
[White "Felgaer, Ruben"]
[Black "Zapata Charles, Santiago"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2562"]
[BlackElo "2300"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,87,6,82,1,68,53,61,10,10,13,60,47,54,53,79,82,77,78,82,28,81,78,91,56,55,57,68,67,87,82,84,89,84,87,78,75,202,193,164,174,256,255,725,722,743,749,715,321,687,677,689,679,642,624,5265,5197,5177,4460,2304,2139,1569,1499]} 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 {[%cal Bg1f3,Bf3d2,Bd2b3,Bb3c5][%mdl 32]} Nc6 7. O-O Be7 8. d3 O-O 9. a3 Re8 10. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Bf8 11. Nd2 {A29: English Opening: Four Knights Variation with 4 g3} a5 12. b5 Nd4 13. e3 Nf5 14. Qc2 Nd6 {LiveBook: 4 Games} (14... a4 $1 $11) 15. Rb1 {[#]} (15. a4 $16) 15... Be6 $146 (15... a4 $11) ({Predecessor:} 15... Bf5 16. Nce4 Qc8 17. Rd1 Bg4 18. Re1 Bh3 {0-1 (37) Van Wely,L (2688)-Fressinet,L (2702) Bastia 2012}) 16. Nb3 Qc8 17. Re1 ({Better is} 17. a4 $14) 17... Bh3 $11 18. Bh1 Bg4 19. Nc5 Ra7 20. a4 Qf5 21. e4 Qh5 22. Be3 Raa8 23. Rec1 (23. Bg2 $16) 23... Red8 (23... f5 $11) 24. Bg2 $16 Nd7 25. Nxd7 Rxd7 26. Nd5 Ne8 $1 27. d4 Be6 28. dxe5 Bxd5 29. exd5 {Strongly threatening Qe4.} Qxe5 30. Re1 Qf6 31. Bd2 Qb6 (31... Qd8 $16) 32. d6 $1 $18 cxd6 {[#]} 33. Qf5 $1 {[%cal Rf5d7]} Qd8 {[#]} (33... Nf6 {was called for.}) 34. Bg5 $1 {[%cal Rg5d8]} Nf6 $2 (34... g6) 35. Bxf6 gxf6 36. Be4 {[%csl Ge4][%cal Rf5h7]} Bg7 37. Qxh7+ Kf8 38. Bf5 {Re4 is the strong threat.White is clearly winning.} Re7 39. h4 {[%cal Bh2h4,Bh4h5,Bh5h6,Bh6g7][%mdl 32]} Re5 40. h5 Qe7 {[#]} 41. h6 $1 {[%mdl 512]} Rxe1+ 42. Kg2 Qe5 43. hxg7+ Ke7 44. Rxe1 {Precision: White = 71%, Black = 42%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.7"]
[White "Alonso, Salvador"]
[Black "Fiora, Emilio"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2502"]
[BlackElo "2190"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,92,31,26,19,42,35,101,104,101,112,110,94,87,58,104,61,66,50,71,9,8,0,10,0,48,38,45,23,66,44,69,36,52,19,37,0,0,-8,0,-12,-5,-34,-38,-58,-28,-33,0,-4,-4,-26,-22,-219,-210,-185,-126,-123,-16,-21,0,-8,-8,-8,-8,-8,-11,-175,-161,-229,0,-29993,-1241]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 a6 8. Be3 Qc7 9. f4 d6 10. O-O Be7 11. Qf3 O-O 12. Rae1 b5 {LiveBook: 55 Games} 13. Qh3 {B33: Sicilian: Pelikan and Sveshnikov Variations} Qd8 $146 ({Predecessor:} 13... Re8 14. Bd2 g6 15. a3 Nd7 16. Nd1 Bf8 17. Bc3 a5 18. f5 Nde5 19. fxg6 hxg6 {0-1 (39) Nemeth,M (2454)-Mihok,O (2435) Hungary 2012}) 14. g4 {And now e5! would win.} e5 {[#]} (14... Nb4 $14) 15. f5 $1 $16 {White is better.} Nd7 16. Nd5 Bg5 17. Bxg5 Qxg5 18. Qg3 Kh8 19. h4 Qd8 20. g5 f6 21. g6 (21. Kh2 $16) 21... Ne7 $11 22. Nxe7 Qxe7 23. gxh7 Rd8 24. Rf2 Nf8 25. c4 Bd7 26. Rc1 Be8 27. Rfc2 Ra7 {[%cal Ba8a7,Ba7g7,Bg7g5,Bg5h5][%mdl 32]} 28. Bf1 g6 29. Bh3 (29. h5 $5 g5 30. cxb5 axb5 31. a3 $14) 29... Qxh7 30. cxb5 Rg7 31. Rg2 {Hoping for b6.} axb5 32. Kh2 g5 33. hxg5 Rxg5 34. Qf2 Rh5 35. Rg3 $132 {[%mdl 2048] White is not keeping still} Qb7 36. Qg2 $1 Bf7 $1 37. Rg1 $2 (37. Na5 $1 $11 {and White has nothing to worry.} Qb6 38. Nc6) 37... Nh7 $19 38. Nd2 Ng5 (38... Ra8 $19 39. a3 Rc8) 39. Nf3 $17 {[%cal Rf3g5]} Rg8 ({Black should try} 39... Qxe4 $17 40. Nxg5 Qxg2+ 41. R3xg2 fxg5 42. Rxg5 Rxg5 43. Rxg5 Bxa2) 40. Nxg5 $11 fxg5 41. Qd2 Qxe4 42. Rxg5 Rgxg5 43. Rxg5 Rh4 {Strongly threatening ...Bd5.} 44. Rg3 $2 {[#]} (44. Kg3 $11) 44... Bd5 $1 $19 {[%csl Gd5][%cal Re4h1]} ({But not} 44... Bxa2 $2 45. Qg5 $18) 45. Qc1 (45. Qd1 $142) 45... Bc6 $2 ({Resist} 45... Qxf5 46. Qd2 $19) (45... Bb7 $19 {Threatens to win with ...Qxf5.} 46. Rg6 Qe2+ 47. Kg3 Rh7) 46. Kg1 $2 {[%mdl 8192]} (46. f6 $11) 46... Qh1+ {Precision: White = 24%, Black = 41%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.8"]
[White "Lagar, Valentin Alejo"]
[Black "Tristan, Leonardo"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "2196"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,72,0,0,6,0,27,19,218,52,57,60,75,59,78,78,202,191,180,-34,-19,-27,-29,-31,-8,-27,-12,-32,-11,0,-22,-27,0,0,0,-80,-80,-164,-149,-293,-323,-324,-329,-572,-572]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3 Bf5 10. Nf3 d5 11. c5 Nc8 12. Be2 Nc6 13. O-O Bg4 14. b4 a6 15. Rb1 e6 {B04: Alekhine's Defence: 4 Nf3} 16. a4 {LiveBook: 14 Games} Bxf3 17. Bxf3 Qh4 $146 {[%cal Rc6d4] The position is equal.} ({Predecessor:} 17... N8e7 18. b5 axb5 19. axb5 Na5 20. Be2 Nf5 21. Qd2 e5 22. Na4 exd4 23. Bg5 {1-0 (41) Hou,Y (2578)-Le,K (2291) Beijing 2008}) 18. Ne2 $1 b5 $2 (18... N8e7 $11 {and Black is okay.}) 19. Qd2 $2 (19. cxb6 $1 $18 {b7 is the strong threat.} Qe7 20. Rc1) 19... h6 $1 $14 20. axb5 axb5 21. Rfd1 N8e7 {[%cal Bc8e7,Be7c6,Bc6e5][%mdl 32]} 22. Nc3 f5 (22... Nf5 $16) 23. g3 $18 Qf6 {[#]} 24. Bxh6 $2 ({Don't take} 24. Nxb5 $6 g5 $14) (24. Be2 $1 $18) 24... Bxh6 $15 25. Qxh6 Nxd4 26. Qe3 Nec6 27. Ne2 {[%cal Re2d4]} Nc2 {[%cal Bd4c2,Bc2a3,Ba3c4][%mdl 32]} 28. Qd2 Na3 29. Rb3 Nc4 30. Qc3 N6e5 31. Bg2 {Black should prevent Nd4.} Ra2 32. Nc1 {[#]} (32. Nd4 $11 f4 33. c6) 32... Ra1 $1 $17 {[%mdl 512]} 33. Kf1 (33. Rf1 $17) (33. Qxa1 Nf3+) 33... Rfa8 $19 34. Qd4 (34. Kg1 $17) 34... Kg7 35. h4 Nc6 36. Qf4 $2 (36. Qxf6+ Kxf6 37. Kg1) 36... e5 {Precision: White = 34%, Black = 43%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.9"]
[White "Barreto, Ignacio C. de Barro"]
[Black "Gemy, Jose Daniel"]
[Result "1/2-1/2"]
[ECO "A18"]
[WhiteElo "2212"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,70,26,8,16,15,27,0,0,-12,0,0,0,0,0,0,0,0,7,5,8,0,20,16,37,20,8,12,22,0,0,0,0,0,0,0,0,0,2,1,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. fxg7 cxd2+ 7. Qxd2 Qxd2+ 8. Bxd2 Bxg7 9. O-O-O c5 10. g3 Bd7 {A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4)} 11. Bg2 Bc6 12. Bxc6+ (12. Nf3 {is more complex.} Nd7 13. Rhe1 O-O-O 14. Bh1 Rhg8 15. Bf4) (12. Nf3 Nd7 13. Rhe1 O-O-O 14. Bh1 Bxf3 15. Bxf3 Ne5 16. Be2 Nd3+ 17. Bxd3 Rxd3 18. Be3 Rxd1+ 19. Rxd1 {½-½ (46) Biro,K (2156)-Bury,R (2099) Slovakia 2012}) 12... Nxc6 13. Ne2 $146 ({Predecessor:} 13. Be3 Nd4 14. Nh3 O-O 15. Ng5 h6 16. Ne4 b6 17. Rd3 Rfd8 18. Rhd1 {½-½ (60) Solger,B-Rothenhaussler,D Jedesheim 1991}) 13... O-O-O 14. Bg5 Rxd1+ 15. Rxd1 Ne5 16. b3 Ng4 17. Be3 Nxe3 18. fxe3 $11 {[%mdl 4096] Endgame KRB-KRN} Be5 19. Nf4 b6 20. Rf1 Bd6 21. Nh5 f5 {The position is equal.} 22. e4 Rf8 23. exf5 (23. Kd2 {keeps more tension.} Be5 24. h3 Kd7 25. g4 f4 26. Ke2) 23... Rxf5 24. Rxf5 exf5 {KB-KN} 25. Kd2 Be5 26. Ke3 Kd7 27. Nf4 Kc6 28. Nd5 Kd6 29. a4 Ke6 30. Kf3 Bb8 31. Nf4+ Ke5 {With the idea ...Kd4.} 32. Ke3 Kf6 33. Nd5+ Ke6 34. Nf4+ Kf6 35. Nd5+ Ke6 {Accuracy: White = 64%, Black = 63%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.10"]
[White "Lujan, Carolina"]
[Black "Hurtado Bahamonde, Rodrigo"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2357"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,49,11,6,25,-17,0,-6,0,13,14,-15,8,-44,7,0,60,71,55,74,55,52,254,259,277,273,387,377,455,441,791,785,740,658,851,579,857,850,809,796]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O O-O 6. Bb3 d6 7. c3 Ne7 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (7... h6 8. Nbd2 a6 9. h3 Ba7 10. Re1 Nh5 11. Nf1 Qf6 12. Ne3 Nf4 13. Ng4 Bxg4 14. hxg4 Ne7 15. d4 Neg6 16. g3 Ne6 17. Be3 exd4 18. cxd4 c5 19. e5 dxe5 20. dxe5 Nxe5 21. Nxe5 Qxe5 22. Bxe6 fxe6 {½-½ (29) Anton Guijarro,D (2666)-Kovalev,V (2639) Riadh 2017}) 8. Be3 Bb6 9. Nbd2 c6 {The position is equal.} 10. d4 exd4 $146 ({Predecessor:} 10... Ng6 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Bxb6 Qxb6 14. Nc4 Qc5 {½-½ (65) Murzin,V (2316)-Matinian,N (2514) Batumi 2018}) 11. cxd4 Ng6 12. h3 (12. Re1 $11) 12... h6 (12... d5 $15) 13. Bc2 d5 (13... Nh5 $11) 14. e5 $14 {aiming for Bxg6.} Nh5 15. Nb3 Ngf4 16. Kh2 f5 $2 (16... f6 $1 $14) 17. g3 $18 Nxh3 {[#] And now ...f4 would win.} 18. Ng1 $1 {[%mdl 64] Discovered Attack} Nxg1 (18... Nxf2 {might work better.} 19. Rxf2 Qe8) 19. Qxh5 f4 20. Bxf4 {White is clearly winning.} ({Don't do} 20. Kxg1 Qg5 $18) 20... Nh3 {[#]} (20... Rxf4 $142 21. gxf4 Nh3) 21. Bxh6 $1 {[%mdl 512]} Qd7 (21... gxh6 22. Qg6+) 22. Be3 {White wants to mate with Bh7+.} Qg4 23. Qh7+ Kf7 24. f3 Qe6 25. g4 {Accuracy: White = 60%, Black = 19%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.11"]
[White "Lopez Azambuja, Nicolas"]
[Black "Curi, Gabriel"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2320"]
[BlackElo "2159"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,69,34,54,-2,9,-2,-10,-25,-9,-13,-4,-18,0,0,13,14,21,9,10,18,10,9,11,6,1,0,0,0,0,0,4,0,0,0,0,0,0,-1,0,-3,-8,-6,0,0,8,8,8,0,0,0,0,0,0,-4]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. e3 c5 5. a3 a6 6. dxc5 {D30: Queen's Gambit Declined: Systems without Nc3} Bxc5 7. b4 Ba7 8. Bb2 O-O 9. Nbd2 Nc6 {LiveBook: 29 Games} 10. Nb3 $146 (10. Bd3 $14) ({Predecessor:} 10. Be2 Qe7 11. O-O Rd8 12. Qc2 Bd7 13. Rac1 Rac8 {½-½ (33) Swiercz,D (2639)-Illingworth,M (2458) Baku 2016}) 10... Qe7 $11 11. b5 dxc4 12. Bxc4 axb5 13. Bxb5 {The position is equal.} Rd8 14. Qe2 (14. Qc2 {is interesting.} Bd7 15. O-O Ne5 16. Be2 Nxf3+ 17. Bxf3 Rac8 18. Qb1) 14... Bb8 15. O-O e5 16. Rfd1 Rxd1+ 17. Qxd1 e4 18. Nfd2 Be5 19. Bxe5 Nxe5 20. Qc2 Bf5 21. Qc5 Qxc5 22. Nxc5 b6 23. Ncb3 Bd7 24. Bxd7 Nexd7 25. a4 Kf8 26. h3 h5 27. a5 bxa5 28. Rxa5 Rxa5 29. Nxa5 {[%mdl 4096] Endgame KNN-KNN} h4 30. Nab3 Ke7 31. f3 Ke6 32. Nd4+ Kd5 33. Nf5 g5 34. Kf2 Ne5 35. Nd4 {Precision: White = 58%, Black = 73%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.12"]
[White "Salinas Herrera, Pablo"]
[Black "Soto, Nicolas"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "2477"]
[BlackElo "1982"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,0,45,45,50,56,57,53,43,44,49,43,57,55,61,52,71,67,64,65,70,65,64,69,108,109,104,110,127,118,119,133,129,129,131,129,152,152,165,116,107,95,166,166,159,155,153,106,107,102,139,138,613,636]} 1. Nf3 Nf6 2. d4 d5 3. c4 c6 4. Nbd2 Bf5 5. Nh4 (5. Qb3 Qb6 6. Nh4 Be4 7. e3 e6 8. Be2 Be7 9. Nxe4 dxe4 10. g3 c5 11. Bd2 cxd4 12. exd4 Nc6 13. Bc3 O-O-O {1-0 (49) Mamedyarov,S (2808)-So,W (2778) Leuven 2018}) 5... Bg6 6. Qb3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} Qc7 7. Nxg6 hxg6 8. g3 {White is slightly better.} e6 9. Bg2 Nbd7 10. O-O Qb6 11. Qd3 a5 $146 ({Predecessor:} 11... Qa6 12. b3 Ba3 {½-½ (31) Xu,Y (2443)-Ma,Q (2609) China 2015}) 12. cxd5 cxd5 13. e4 dxe4 14. Nxe4 Be7 15. Nc3 O-O 16. Rd1 Rad8 17. Qe2 Rfe8 18. Be3 Nd5 19. Nxd5 exd5 20. Bxd5 Nf6 21. Bb3 Nd5 22. Qf3 Qd6 23. Bd2 b6 24. Ba4 Rf8 25. Rac1 Rc8 (25... Bf6 $16) 26. Rxc8 $18 Rxc8 27. Bb3 $36 {[%mdl 2048] White is in control.} Rd8 28. Re1 {[#] Strongly threatening Bxd5.} Bf6 29. Re4 {Hoping for g4.} Qd7 30. g4 a4 $2 {[%mdl 8192]} (30... Nc7 $16) 31. Bxd5 $1 {Accuracy: White = 87%, Black = 58%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.13"]
[White "Mussanti, Diego"]
[Black "Gomez Troccoli, Martin"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2305"]
[BlackElo "1976"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,67,64,79,72,122,118,126,47,66,25,11,-80,-67,-82,-91,-65,-56,-76,58,55,68,0,0,-43,158,158,258,282,225,225,390,356,367,367,352,346,312,230,215,158,628,622,897,906,688,666,1729,1690,5414,5263,5406,884,836,820]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. Qg4 f5 6. Qg3 b6 7. Nh3 Ba6 8. Bxa6 Nxa6 9. Nf4 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5} Bxc3+ (9... O-O-O 10. O-O Bxc3 11. Qxc3 g5 12. Nd3 f4 13. a4 Nb8 14. b4 a6 15. Bd2 Qf7 16. a5 b5 {½-½ (33) Saglione,E (2529)-Mary,P (2537) ICCF email 2011}) 10. bxc3 ({But not} 10. Qxc3 $6 c5 $11) 10... Kf7 $146 {[#]} ({Predecessor:} 10... O-O-O 11. O-O Nb8 12. Rb1 Nc6 13. Qd3 Kb8 14. Qb5 Nge7 15. a4 g5 16. Nd3 f4 {1-0 (35) Romsdal,T-Johansen,J Norway 1992}) 11. h4 (11. Nh5 $1 $16 g6 12. Nf4) 11... Ne7 $1 $14 12. Ba3 c5 13. Bc1 (13. O-O $11 {remains equal.}) 13... Rac8 $17 14. O-O cxd4 15. cxd4 Rxc2 16. h5 Rhc8 {[#]} ({Better is} 16... Nc6 $17) 17. h6 $1 $14 {[%mdl 512]} Ng6 (17... gxh6 18. Qh3) 18. hxg7 (18. Nh5 $1 $14) 18... Nxf4 $15 19. Bxf4 Kg8 $2 (19... Nb4 $1 $15 {keeps the upper hand.}) 20. Qa3 $16 {Rfc1 is the strong threat.} Nb8 (20... Nc7 $16 {was called for.}) 21. Bh6 $18 {Threatening mate with Qf8+.} Qf7 22. Rac1 R2c4 $2 (22... Rxc1 23. Rxc1 Rxc1+ 24. Qxc1 Qe8) 23. Rxc4 dxc4 24. Rc1 b5 25. Qd6 Nc6 26. d5 $40 {[%mdl 128] White wants a kill.} exd5 27. e6 Qe7 $2 (27... Qf6 $16 28. Qd7 Rd8) 28. Qxd5 {[%mdl 64] Double Attack. White is clearly winning.} a6 29. Re1 c3 30. Qxf5 b4 31. Bg5 Nd4 32. Qd5 ({Not} 32. Bxe7 Nxf5 33. Bxb4 c2 $14) 32... Qc5 33. Qxc5 (33. Qd7 $142 Qc7 34. Qxd4) 33... Rxc5 34. e7 {Accuracy: White = 55%, Black = 43%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.14"]
[White "Scarella, Enrique Alejandro"]
[Black "Siddeley, Hugh"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2304"]
[BlackElo "1968"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,63,-14,0,-2,5,-25,-3,-4,20,18,19,19,19,9,20,25,20,25,25,16,144,145,149,154,151,147,147,147,152,145,140,139,229,174,226,225,225,225,250,206,354,345,382,377,356,348,381,350,440,452,486,478]} 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 e6 5. Qd3 dxc4 6. Qxc4 b5 7. Qb3 a6 8. Bg5 {D43: Semi-Slav: 5 Bg5 h6} Be7 (8... c5 9. Rd1 Nbd7 10. dxc5 Bxc5 11. e3 Qb6 12. Bd3 h6 13. Bh4 Bb7 14. O-O Be7 15. Qc2 Rc8 {½-½ (93) Sarana,A (2618)-Fakhrutdinov,T (2481) St Petersburg 2018}) 9. g3 c5 $146 ({Predecessor:} 9... Bb7 10. Bg2 Nbd7 11. Rd1 Nd5 12. Bd2 c5 13. O-O O-O 14. a3 Nxc3 15. bxc3 c4 16. Qc2 Bxa3 17. Ng5 {1-0 (17) Ruiz Molina,G (1899)-Alonso Gomez,A (1689) Maresme 2017}) 10. dxc5 {The position is equal.} Bxc5 11. Ne4 Be7 12. Nxf6+ Bxf6 13. Rd1 Qa5+ 14. Bd2 Qa4 15. Qxa4 bxa4 16. Bg2 O-O (16... Nd7 $11) 17. Bb4 $16 Re8 18. Ne5 $36 {[%mdl 2048] Black is under strong pressure.} Ra7 {[#]} 19. Bc5 $1 {[%cal Rc5a7]} Rb7 20. Bxb7 Bxb7 21. Nf3 Bxb2 {[#]} 22. O-O $1 a3 (22... Bc6 $16 {was called for.} 23. Rd2 Bf6) 23. Rd3 Bd5 (23... Be4 $142) 24. Bxa3 $18 Bf6 25. Rd2 Nc6 26. Bb2 Bxf3 (26... Be7 $142 27. Rc1 Rb8) 27. exf3 Ne5 28. Bxe5 Bxe5 29. Rfd1 Bf6 30. Rd6 a5 31. Ra6 Bc3 32. Rd3 {Accuracy: White = 79%, Black = 16%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.15"]
[White "Coro, Lucas"]
[Black "Muzzi, Eduardo"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2284"]
[BlackElo "1954"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,53,34,41,41,39,38,26,60,41,53,23,79,48,45,41,46,39,44,-45,-42,-18,-6,-108,103,110,783,350,348,312,462,444,431,345,758,762,1198,1161,1653,387]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 Be7 8. O-O {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} a5 9. f4 {LiveBook: 9 Games} g6 (9... cxd4 10. cxd4 Nb6 11. Nf3 Bd7 12. g4 a4 13. f5 Nb4 14. Ng3 Nxd3 15. Qxd3 g6 {1-0 (36) Navara,D (2718)-Bischoff,K (2504) Germany 2014}) 10. Nf3 {White is slightly better.} cxd4 11. cxd4 Nb4 12. Bb1 Nb6 {[%cal Bd7b6,Bb6c4,Bc4b2][%mdl 32]} 13. g4 $146 ({Predecessor:} 13. Nc3 Bd7 14. a3 Na6 15. b3 a4 16. Bd3 Rc8 17. Bd2 axb3 18. Qxb3 {1-0 (25) Sokolov,A (2572)-Guggenberger,G (2054) Bad Wiessee 2006}) 13... Bd7 (13... h5 $11 {keeps the balance.}) 14. Ng3 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 15. f5 Nc4 16. Rf2 Qb6 17. Ng5 (17. f6 $14 Bd8 18. Ne2) 17... a3 $15 18. b3 Nb2 $1 {[%cal Rb2d1]} 19. Qd2 (19. Qf3 $11 {remains equal.} gxf5 20. Nxf7 (20. gxf5 Qxd4 21. fxe6 Bxe6 $17)) 19... Bxg5 $2 (19... exf5 $1 $17 {stays on course. Strongly threatening ...N4d3!} 20. gxf5 Bxg5 21. Qxg5 N2d3 22. Bxd3 Nxd3) 20. Qxg5 $16 N4d3 $2 {[%mdl 8192] [#]} (20... exf5 $16 21. gxf5 N2d3 22. Bxd3 Nxd3) 21. Qf6 (21. fxg6 $142 $1 {[%mdl 512]} hxg6 (21... fxg6 22. Qf6) 22. Rxf7 $3 {[%mdl 512]} Qxd4+ 23. Be3) 21... Rf8 $18 {[#]} 22. Bg5 $1 {[%csl Gg5][%cal Rf6e7][%mdl 512]} Qb4 (22... Qd8 $142) 23. Bxd3 Nxd3 24. Rd2 Bb5 $2 (24... Qxd4+ 25. Kf1 Qxa1+ 26. Kg2 {[#]} Nf4+ $1 {[%mdl 512]} 27. Bxf4 Qc3) 25. fxe6 {White is clearly winning.} Qxd4+ 26. Kg2 {[%csl Gg5][%cal Rf6e7]} Nf4+ 27. Qxf4 $2 {Precision: White = 44%, Black = 34%.} (27. Bxf4 Qb4 28. Bg5) 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.16"]
[White "Rupel, David"]
[Black "Larrea, Manuel"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1953"]
[BlackElo "2269"]
[Annotator "NA"]
[PlyCount "32"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 Nbd7 8. Nge2 Nf8 9. Bh4 Ng6 10. Bg3 O-O 11. Qc2 Re8 12. Bxd6 Qxd6 13. Ng3 b6 14. O-O Nh4 15. e4 dxe4 16. Ngxe4 Re7 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.16"]
[White "Rupel, David"]
[Black "Larrea, Manuel"]
[Result "*"]
[ECO "D35"]
[WhiteElo "1953"]
[BlackElo "2269"]
[Annotator "NA RC"]
[PlyCount "107"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 Nbd7 8. Nge2 Nf8 9. Bh4 Ng6 10. Bg3 O-O 11. Qc2 Re8 12. Bxd6 Qxd6 13. Ng3 b6 14. O-O Nh4 15. e4 dxe4 16. Ncxe4 Nxe4 17. Bxe4 Bd7 18. Bxh7+ Kh8 19. Be4 g6 20. Qc3 Kg8 21. Rfe1 Re7 22. Re3 Rae8 23. Rae1 Qf6 24. Bc2 Qg5 25. Rxe7 Rxe7 26. Rxe7 Qxe7 27. Qe3 Qxe3 28. fxe3 Be6 29. Ne2 Nf5 30. Kf2 Nd6 31. b3 Kg7 32. e4 f6 33. Ke3 g5 34. Ng3 Nb5 35. a4 Nc7 36. Ne2 Kf7 37. g3 Na6 38. h4 Nb4 39. Bd1 Kg6 40. Nc3 a6 41. h5+ Kh6 42. g4 Kg7 43. Nb1 a5 44. Nd2 Kf7 45. Nc4 Bxc4 46. bxc4 c5 47. d5 Na6 48. e5 fxe5 49. Ke4 Kf6 50. h6 Nb8 51. h7 Kg7 52. Kxe5 Kxh7 53. Ke6 Kg7 54. Ke7 *

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.17"]
[White "Carbone, Diego"]
[Black "Suarez, Pedro"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2256"]
[BlackElo "1950"]
[Annotator "NA"]
[PlyCount "61"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. g3 b6 4. Bg2 d5 5. Nf3 Be7 6. Qa4+ Qd7 7. Qc2 c5 8. Ne5 Qc7 9. Bf4 Bd6 10. Nc3 a6 11. Qa4+ b5 12. cxb5 Nbd7 13. Nxd7 Bxd7 14. Bxd6 Qxd6 15. Qa3 Qb8 16. dxc5 axb5 17. Qb4 O-O 18. O-O Rc8 19. Rfc1 Ra7 20. Nd1 Rac7 21. Qd4 b4 22. Rc2 Qb5 23. Rac1 Be8 24. e3 Nd7 25. Bf1 Qa5 26. c6 Nb8 27. Rc5 Qxa2 28. Qxb4 Rxc6 29. Rxc6 Nxc6 30. Qb6 Qa7 31. Rxc6 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.18"]
[White "Dotta, Gian Franco"]
[Black "Coppola, Claudio"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "1896"]
[BlackElo "2209"]
[Annotator "NA"]
[PlyCount "69"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. Kb1 Re8 15. Bh6 Nc4 16. Bxc4 Rxc4 17. Bxg7 Kxg7 18. g4 hxg4 19. h5 Rh8 20. hxg6 fxg6 21. f4 e5 22. Nde2 Rxh1 23. Rxh1 Nxe4 24. Nxe4 Rxe4 25. fxe5 Rxe2 26. Qh6+ Kf7 27. Qh7+ Ke6 28. Qxg6+ Kxe5 29. Rh5+ Kf4 30. Qxd6+ Kf3 31. Qd3+ Re3 32. Qf1+ Ke4 33. Qc4+ Kf3 34. Qf1+ Ke4 35. Qc4+ {Ke5} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.19"]
[White "El Ters, Antouan"]
[Black "Durante, Aurelio"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2205"]
[BlackElo "1941"]
[Annotator "NA"]
[PlyCount "89"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qd2 Nge7 9. b3 O-O 10. Ba3 Rd8 11. Nc3 b5 12. Nd5 Nxd5 13. exd5 Nd4 14. c3 Nf5 15. g3 Bb7 16. Bg2 Rac8 17. O-O Qb6 18. Qg5 g6 19. Rfc1 f6 20. Qd2 Nd6 21. Kh1 Re8 22. Re1 Nf7 23. Rac1 d6 24. Kg1 Rc7 25. c4 Rec8 26. Bf1 Ng5 27. Kg2 e4 28. Qf4 Nf3 29. Rxe4 Ne5 30. Qxf6 Rf7 31. c5 Rxf6 32. cxb6 Rxc1 33. Bxc1 Bxd5 34. f3 Bxe4 35. fxe4 Rf7 36. a4 Rb7 37. Be3 Nd7 38. a5 Nb8 39. b4 Kf7 40. Kf3 Re7 41. Bf4 Rd7 42. Bh3 Rd8 43. b7 Kf6 44. Bc8 g5 45. Be3 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.20"]
[White "Ramos Correa, Gabriel"]
[Black "Hernandez Amura, Gilberto"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "1920"]
[BlackElo "2199"]
[Annotator "NA"]
[PlyCount "11"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 c6 3. e4 e6 4. Nc3 d5 5. e5 Bb4 6. a3 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.21"]
[White "Benoit, Rodrigo"]
[Black "Avedisian, Alexander"]
[Result "1-0"]
[ECO "D71"]
[WhiteElo "2189"]
[BlackElo "1921"]
[Annotator "NA"]
[PlyCount "59"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 g6 2. d4 Nf6 3. g3 Bg7 4. Bg2 O-O 5. e4 d6 6. Ne2 Na6 7. O-O e5 8. Nbc3 exd4 9. Nxd4 Bg4 10. f3 Bd7 11. Be3 Re8 12. Re1 Nc5 13. Qd2 Ne6 14. Nc2 a5 15. b3 Bc6 16. Rac1 Nd7 17. Nd5 Ne5 18. h3 a4 19. f4 axb3 20. axb3 Nd7 21. b4 Bh6 22. Ra1 Rxa1 23. Rxa1 Nb6 24. Nxb6 cxb6 25. b5 Bxe4 26. Bxe4 Nxf4 27. Bxf4 g5 28. Qxd6 Qxd6 29. Bxd6 Rxe4 30. Nd4 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.22"]
[White "Trois, Francisco R.T."]
[Black "Hart, Alexander"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2152"]
[BlackElo "1881"]
[Annotator "NA"]
[PlyCount "53"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. g3 d5 2. Nf3 Bg4 3. Bg2 Nd7 4. c4 e6 5. cxd5 exd5 6. h3 Bf5 7. Nc3 c6 8. O-O Ngf6 9. d3 Be7 10. Qc2 O-O 11. e4 dxe4 12. dxe4 Be6 13. Rd1 Qc8 14. Nd4 Nc5 15. Kh2 Rd8 16. b3 Na6 17. Be3 Nb4 18. Qe2 a5 19. Rac1 Na6 20. Na4 Ba3 21. Nb6 Qb8 22. Rb1 Ra7 23. Nxe6 fxe6 24. Rxd8+ Qxd8 25. e5 Ne8 26. Rd1 Qe7 27. Nc8 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.23"]
[White "Ruggiero, Alvaro"]
[Black "Munoz Perez, Rolando"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1869"]
[BlackElo "2130"]
[Annotator "NA"]
[PlyCount "50"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e5 2. Bc4 d6 3. Nf3 Be7 4. c3 Nf6 5. Qb3 O-O 6. d3 c6 7. Bg5 b5 8. Bxf6 Bxf6 9. Bxb5 cxb5 10. Qd5 Qb6 11. Na3 a6 12. O-O Nc6 13. Qb3 Be6 14. Qc2 d5 15. Nd2 Rac8 16. exd5 Bxd5 17. c4 Nd4 18. Qd1 Bb7 19. b3 Rfd8 20. Rc1 Ne6 21. cxb5 axb5 22. Rxc8 Bxc8 23. Ne4 Be7 24. Nc2 Bb7 25. Qe2 Nf4 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.24"]
[White "Baudel, Simon"]
[Black "Sosa Macho, Juan Manuel"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "1847"]
[BlackElo "2079"]
[Annotator "NA"]
[PlyCount "58"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. f4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. c3 e6 6. d3 d5 7. O-O Nge7 8. e4 O-O 9. Na3 Rb8 10. Nc2 b5 11. Rb1 a5 12. Qe1 b4 13. Bd2 Ba6 14. exd5 exd5 15. Qe2 Re8 16. Rfe1 a4 17. c4 b3 18. axb3 Rxb3 19. Ne5 Nxe5 20. fxe5 dxc4 21. dxc4 Qb6 22. Bc3 Qe6 23. Ne3 Bxe5 24. Nd5 Nxd5 25. Bxd5 Bd4+ 26. Bxd4 Qxe2 27. Rxe2 Rxe2 28. Rf1 cxd4 29. Rxf7 Kh8 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.25"]
[White "Meza, Anahi"]
[Black "Pena Canapa, Alfredo"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2058"]
[BlackElo "1867"]
[Annotator "NA"]
[PlyCount "75"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. Nf3 O-O 8. g3 d6 9. Bg2 Bxa6 10. O-O Nbd7 11. Rb1 Qc7 12. b3 Rfb8 13. Re1 Ng4 14. Bd2 Nge5 15. Nxe5 Nxe5 16. a4 Qb6 17. h3 Bc8 18. Ne4 Bf5 19. g4 Bxe4 20. Bxe4 Nd7 21. Bd3 Nf6 22. e4 Nd7 23. Bb5 Ra7 24. Be3 Bc3 25. Rf1 Qa5 26. Qc2 Rc7 27. Rfc1 Bb4 28. Qe2 Nf6 29. Bf4 Bc3 30. Qd3 Bd4 31. Be3 Bxe3 32. Qxe3 Qb4 33. Rc4 Qa5 34. Rbc1 Rbc8 35. Qg5 Qa7 36. e5 Nxd5 37. exd6 Nb6 38. dxc7 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.26"]
[White "Torella, Rodolfo"]
[Black "Alvarez Ramirez, Miguel Angel"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2022"]
[BlackElo "2282"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,83,21,26,23,55,52,102,52,115,55,301,277,247,284,293,287,239,243,281,242,300,306,285,237,356,301,303,308,317,322,354,304,308,275,484,496,585,350,379,356,313,186,186,186,192,194,192,170,179,180,350,356,320,332,555,548,29975,29977,29974,29978,29977,29978,29979,29980,29980,29981,29985,29986,29986,29986]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Bd3 Nc6 8. Nge2 O-O 9. b3 {B03: Alekhine's Defence: Four Pawns Attack} (9. O-O Bf6 10. b3 Re8 11. Be3 Bg4 12. Qd2 Bxe2 13. Nxe2 d5 14. c5 Nd7 15. b4 a6 16. Rae1 Nf8 17. Bb1 {1-0 (37) Gelashvili,T (2563)-Berkes,F (2654) Minsk 2017}) 9... Bg4 10. Be3 f5 {White should prevent ...f4!} 11. h3 $146 {White is better.} ({Predecessor:} 11. Qd2 Kh8 12. O-O Bf6 13. f3 Bh5 14. Bxf5 Ne7 15. Bc2 Bg6 16. Ne4 Nf5 {1-0 (43) Ortiz,M (2174)-Granados Ortiz,F (2040) Managua 2018}) 11... Bh5 (11... Bxe2 $1 $14 12. Nxe2 Bg5) 12. g4 (12. Qd2 $16) 12... fxg4 $2 {[#]} (12... Bg6 $1 $14) 13. Bxh7+ Kxh7 14. hxg4 Bh4 15. gxh5 Qe7 {[#] ...Qxe3 is the strong threat.} 16. Qd3+ Kg8 17. Qe4 Bg5 18. Qxe7 Bxe7 19. Kd2 a5 (19... Kh7 $142 20. Nb5 Rfc8) 20. a4 Kh7 21. Rag1 Rae8 22. Rg4 Nd7 23. Rhg1 Rg8 24. Ne4 Ref8 $2 (24... Bf6 25. f3 Ne7 26. Nxf6+ gxf6 27. Rxg8 Rxg8 28. Rxg8 Kxg8) 25. Nf4 $18 Nf6 26. Nxf6+ Bxf6 27. Ne6 Rf7 28. Ng5+ (28. h6 $142) 28... Bxg5 29. Rxg5 ({Worse is} 29. Bxg5 Rxf2+ 30. Kd1 Rb2 $11) 29... b6 30. Rg6 Ne7 31. Re6 Nf5 32. Kd3 Nxe3 $2 (32... Rgf8 33. Rgg6 Rd7) 33. fxe3 {[%mdl 4096] Endgame KRR-KRR} ({Weaker is} 33. Kxe3 Rgf8 $16) 33... Rgf8 34. Rgg6 Rf6 $2 (34... Rf3 35. Re7 R8f7 36. Rxf7 Rxf7) 35. Rgxf6 Rxf6 36. Rxf6 {White mates.} gxf6 {KP-KP} 37. Ke4 Kh6 38. Kf5 Kxh5 39. Kxf6 Kg4 40. e4 c6 41. e5 d5 42. cxd5 {Accuracy: White = 67%, Black = 19%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.27"]
[White "Visillac, Alejandro"]
[Black "Vazquez, Facundo"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1803"]
[BlackElo "2019"]
[Annotator "NA"]
[PlyCount "80"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nf6 5. g3 Nc6 6. Bg2 g6 7. O-O Bg7 8. Re1 O-O 9. c3 a5 10. e5 Ng4 11. d4 cxd4 12. cxd4 f6 13. Bh3 h5 14. Qc2 fxe5 15. Qxg6 Qe8 16. Qxe8 Rxe8 17. dxe5 Ngxe5 18. Nxe5 Nxe5 19. Rb1 Nd3 20. Rf1 e5 21. Bg2 e4 22. b3 Bc3 23. h4 Kg7 24. Rd1 Bd4 25. Nxe4 dxe4 26. Be3 Bxe3 27. fxe3 Bg4 28. Rd2 Bf5 29. Rf1 Bg6 30. Bh3 Rf8 31. Rc2 Rxf1+ 32. Bxf1 Rf8 33. Rc4 Rf3 34. Rc7+ Rf7 35. Rc4 b5 36. Rd4 Rf3 37. Rd7+ Kh6 38. Rd6 Rxg3+ 39. Kh2 Rxe3 40. Bh3 Kg7 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.28"]
[White "Rey Besada, Fernando"]
[Black "Gaye, Gustavo"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2135"]
[BlackElo "1984"]
[Annotator "NA"]
[PlyCount "38"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. f3 O-O 8. Qd2 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Nxc6 Qxc6 12. Rb1 Be6 13. a3 Ba2 14. Rd1 Bxb2 15. Bd4 Rfd8 16. Bxb2 Rxd2 17. Rxd2 Bc4 18. Be2 Bxe2 19. Rxe2 Qb6 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.29"]
[White "Sarquis, Maria Belen"]
[Black "Vinella, Marcelo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2164"]
[BlackElo "1698"]
[Annotator "NA"]
[PlyCount "47"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. g3 Bg4 7. Bg2 e6 8. O-O Qc7 9. h3 Bh5 10. g4 Bg6 11. Ne5 Nbd7 12. Bf4 Bd6 13. Re1 O-O-O 14. Qf3 Nd5 15. Bg3 N7f6 16. a3 Ne7 17. b4 h5 18. b5 hxg4 19. hxg4 Nfd5 20. bxc6 bxc6 21. Nxd5 exd5 22. Re3 f6 23. Nxg6 Nxg6 24. Qf5+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.30"]
[White "Barandiaran, Gabriel"]
[Black "Granara Barreto, Sebastian"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1836"]
[BlackElo "2134"]
[Annotator "NA"]
[PlyCount "36"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d4 c5 6. b3 d5 7. Bb2 Nbd7 8. c3 Be7 9. Nbd2 O-O 10. Rc1 Rc8 11. e3 Qc7 12. c4 Qb8 13. Qe2 Bd6 14. Rfd1 Rfe8 15. e4 dxe4 16. Ng5 e3 17. Qxe3 cxd4 18. Qxd4 Be5 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.31"]
[White "Guerrero, Alvaro"]
[Black "Aguerre, Valentin"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2096"]
[BlackElo "1694"]
[Annotator "NA"]
[PlyCount "59"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 b5 6. b3 Bf5 7. Be2 e6 8. O-O Nbd7 9. Bb2 Be7 10. Nh4 Ne4 11. Nxf5 exf5 12. Qc2 Ndf6 13. cxd5 cxd5 14. Nxe4 fxe4 15. Qc6+ Kf8 16. a4 bxa4 17. Rxa4 a5 18. Rfa1 Rc8 19. Qa6 Ra8 20. Qb5 Rb8 21. Qxa5 Qxa5 22. Rxa5 Rxb3 23. Ra8+ Ne8 24. Bd1 Rb4 25. Bc3 Rc4 26. Ba4 Rxa4 27. R1xa4 f5 28. R4a5 Kf7 29. Rxd5 Nf6 30. Rda5 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.11"]
[Round "4.32"]
[White "Lanaro, Emilio"]
[Black "Pichuaga, Juan Pablo"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1696"]
[BlackElo "2027"]
[Annotator "NA"]
[PlyCount "66"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 d6 2. d4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nc3 Be6 6. Bg5+ f6 7. O-O-O+ Nd7 8. Be3 c6 9. g3 Kc7 10. f4 Bd6 11. Bh3 Bxh3 12. Nxh3 b6 13. Rd2 Ne7 14. Rhd1 Nc8 15. Nb1 Re8 16. Nf2 Re7 17. Na3 b5 18. Nb1 Bb4 19. Nc3 Bxc3 20. bxc3 Ncb6 21. Bxb6+ axb6 22. Kb2 Ra4 23. fxe5 fxe5 24. Nh3 h6 25. Nf2 Nc5 26. Re1 Re8 27. Rdd1 Rea8 28. Ra1 Kd6 29. Re2 Ke6 30. Ree1 Rf8 31. Re2 Rc4 32. Rae1 Na4+ 33. Kb1 Nxc3+ 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.1"]
[White "Mareco, Sandro"]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2664"]
[BlackElo "2486"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,98,60,80,72,115,66,69,68,57,52,67,35,50,36,51,37,35,25,18,11,44,22,31,0,6,0,0,0,35,0,16,9,54,0,0,0,0,-87,-25,-60,0,0,0,0,0,0,0,-23,-33,-28,-8,-24,-25,-22,-27,-23,-21,-20,-21,-21,0,0,0,-24,-25,-37,-37,-37,-37,-37,-37,-56,-56,-64,-54,-54,-54,-65,-28,-28,-28,-28,-28,-28,-25,-25,-26,-404,-389]} 1. d4 e6 2. Nf3 b6 3. e4 Bb7 4. Bd3 c5 5. c3 d6 6. O-O Nd7 7. Re1 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence} Ne7 (7... g6 8. Bf4 Qc7 9. Nbd2 e5 10. Bg3 Bg7 11. Bb5 O-O-O 12. Qa4 Kb8 13. Bxd7 Rxd7 14. dxe5 dxe5 15. Nxe5 Bxe5 16. Bxe5 Qxe5 17. Qxd7 {1-0 (51) Cramling,P (2507)-Kosteniuk,A (2527) Khanty-Mansiysk 2014}) 8. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4e3,Be3f5,Bf5g3,Bg3e4][%mdl 32]} Ng6 9. d5 $146 {White is slightly better.} ({Predecessor:} 9. Nf1 Qc7 10. Bd2 Be7 11. Ng3 O-O 12. Qe2 Rfe8 13. Nh5 e5 14. dxe5 Ndxe5 15. Nxe5 dxe5 {1-0 (55) Njirjak,J (2382)-Jukic,Z (2317) Sibenik 2007}) 9... exd5 10. exd5+ Be7 11. Nc4 {[#] Strongly threatening Nxd6+.} O-O 12. Ne3 Nde5 13. Nxe5 Nxe5 14. Nf5 Bf6 15. Bc2 Qd7 16. Ng3 Rfe8 17. f4 Ng6 $1 18. Ne4 Bh4 19. g3 Be7 20. f5 Ne5 21. Bf4 Bf8 $1 22. b3 (22. f6 $14) 22... c4 $11 23. f6 g6 24. b4 {[#]} (24. h4 $1 $11) 24... a5 (24... b5 $1 $17) 25. a4 Nd3 (25... b5 $1 $15) 26. Bxd3 cxd3 27. Qxd3 {aiming for b5.} axb4 28. cxb4 Rxa4 29. Rxa4 Qxa4 30. Qd2 Qb3 31. Re3 Qxd5 32. Qxd5 Bxd5 33. Nc3 Be6 34. Nd5 h6 35. h4 ({Reject} 35. Nc7 Rc8 $17) 35... Rd8 36. Rd3 Kh7 37. b5 Ra8 38. Nxb6 Ra1+ 39. Kf2 Rb1 40. Nd5 g5 41. hxg5 hxg5 42. Be3 Rxb5 43. Ne7 $1 Rb2+ 44. Ke1 Bc4 45. Rc3 d5 {Threatening ...g4.} 46. Bxg5 Re2+ 47. Kd1 {Rxc4! is the strong threat.} Re5 48. Bf4 Re6 49. Rc2 $2 {[%mdl 8192]} (49. g4 $11 Bxe7 50. Rh3+ Kg8 51. fxe7) 49... Bb3 {Accuracy: White = 39%, Black = 75%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.2"]
[White "Hernandez Guerrero, Gilberto"]
[Black "Ricardi, Pablo"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2533"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,79,0,4,0,0,0,27,31,39,37,65,64,76,78,82,69,92,88,98,99,97,103,98,88,85,87,94,94,94,94,94,87,88,72,87,94,92,89,110,77,94,91,115,98,128,131,122,132,147,142,150,117,127,122,127,114,134,132,135,120,131,131,227,219,776,754]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. Bg5 Nbd7 9. a4 {B92: Sicilian Najdorf: 6 Be2} h6 10. Be3 b6 (10... Ng4 11. Bc1 Ngf6 12. O-O Nc5 13. Nd2 O-O 14. b4 Ne6 15. Nc4 Nd4 16. Be3 Nxe2+ 17. Qxe2 {½-½ (40) Giri,A (2783)-Nepomniachtchi,I (2763) St Petersburg 2018}) 11. Nd2 {White has an edge.} Bb7 12. O-O $146 ({Predecessor:} 12. Bc4 Qc7 13. Qe2 Nc5 14. Bxc5 Qxc5 15. O-O O-O 16. Rfe1 Rfc8 {1-0 (63) Nihal,S (2576)-Adly,A (2626) Sitges 2018}) 12... Nc5 13. Bxc5 dxc5 14. Bc4 O-O 15. Qe2 Re8 16. Rfd1 Bf8 17. Nf1 Qc8 18. Ne3 Bc6 19. Ned5 (19. f3 {seems wilder.} Ra7 20. b3 Qb7 21. g3 Rb8 22. h4) 19... Nxd5 20. Bxd5 Bxd5 21. Nxd5 Qc6 22. c4 Rab8 23. h3 Rec8 24. b3 Rd8 25. Ra2 Rd6 26. Qh5 Qe8 27. Rd3 g6 28. Qf3 Qc6 29. Rad2 b5 30. axb5 axb5 31. Ra2 bxc4 32. bxc4 Ra8 33. Rda3 Rxa3 34. Rxa3 {Ra7 is the strong threat.} Qb7 35. Rb3 $40 {[%mdl 128] White is out for blood.} Qa7 36. Qc3 Bg7 37. Qb2 {And now Rb8+ would win.} Rd8 38. Rb7 Qa5 {[#]} (38... Qa6 $16) 39. Kh2 $1 $18 {Hoping for Ne7+.} h5 $2 (39... Rf8 40. Qb5 Qa3) 40. Ne7+ {Accuracy: White = 83%, Black = 44%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.3"]
[White "Hoffman, Alejandro"]
[Black "Felgaer, Ruben"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "2461"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,98,12,0,5,0,0,0,0,0,11,-12,0,-31,-10,-10,0,0,-3,0,7,5,20,-25,-26,-19,-22,-35,-30,-45,-35,-41,-41,-43,-28,-31,-32,-68,-41,-46,-22,-83,-27,-31,-22,-50,-52,-43,-45,-59,-58,-108,-33,-33,-33,-33,-33,-54,-33,-40,-44,-65,-38,-77,-73,-112,-90,-135,-122,-175,-145,-381,-394,-389,-374,-433,-435,-418,-426,-431,-418,-412,-411]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Bd3 Bg6 7. O-O Nbd7 8. Bxg6 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} hxg6 9. Qd3 Bb4 10. Bd2 {LiveBook: 7 Games. The position is equal.} Qe7 11. a3 $146 ({Predecessor:} 11. h3 O-O 12. a3 Bd6 13. e4 dxc4 14. Qxc4 e5 15. Be3 exd4 16. Bxd4 {½-½ (40) Anton Guijarro,D (2559)-Rodshtein,M (2691) Yerevan 2014}) 11... Bxc3 12. Bxc3 Ne4 13. h3 g5 {Threatens to win with ...g4!} 14. Nh2 (14. Bb4 $5 {[%cal Rb4e7]} Qf6 15. Nh2 $11) 14... Nxc3 15. Qxc3 (15. bxc3 {looks sharper.} Nb6 16. cxd5 cxd5 17. Rfb1 O-O 18. a4) 15... Nf6 16. cxd5 exd5 17. f3 O-O 18. Rfe1 Ne8 19. e4 {White wants to play exd5.} dxe4 20. Rxe4 Qd8 21. Rd1 Nf6 $36 {[%mdl 2048] Black has the initiative.} 22. Re5 Nd5 23. Qb3 f6 24. Re4 Qb6 25. Qc2 Rad8 26. Nf1 {[%cal Bh2f1,Bf1e3,Be3c4][%mdl 32]} Rfe8 27. Kh1 Kf7 (27... Nf4 $5 {[%cal Re8e4]} 28. Qc4+ Kf8 $15) 28. b4 g6 29. Qb3 (29. Nd2 $11 {keeps the balance.}) 29... Kg7 (29... f5 $1 $17 {[%cal Rf5e4]} 30. Re5 Rxe5 31. dxe5 Re8) 30. Ne3 Nf4 31. Nc4 Qc7 32. Qe3 $1 Qd7 33. Kg1 Re6 34. Nd2 f5 ({Black should try} 34... Nd5 $17 35. Qd3 f5 36. Rxe6 Qxe6) 35. Rxe6 $15 Qxe6 36. Qxe6 Nxe6 {[%mdl 4096] Endgame KRN-KRN} 37. Nb3 $1 Kf6 38. Kf2 b6 39. g3 Rd6 40. Rd2 Nc7 41. Rc2 Ke6 42. Ke3 {[#]} Kd5 $1 43. Kd3 {[#]} (43. a4 $17) 43... Re6 $1 $19 44. f4 $2 (44. Nc1 $17) 44... gxf4 45. gxf4 Re4 46. Nd2 Rxf4 47. Ke3 Rxd4 48. Nf3 Re4+ 49. Kf2 Ne6 {Precision: White = 44%, Black = 54%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.4"]
[White "Tristan, Leonardo"]
[Black "Lujan, Carolina"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2493"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,0,5,1,22,0,6,9,7,0,47,45,52,36,34,27,28,0,154,145,142,141,152,141,150,147,149,141,144,142,138,120,183,192,214,208,218,214,217,214,239,225,254,254,260,260,272,252,260,234,241,240,246,241,306,313,335,349,431,438,448,433,523,515,708,707,1800,1312,2608,2270,29990,29991,29991,29992,29993,29994,29994,29993,29993,29994]} 1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 Bd6 5. Bg3 O-O 6. c4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6. Nbd2 b6 7. c3 Ba6 8. Bxa6 Nxa6 9. Ne5 Nb8 10. f4 c5 11. Bh4 Be7 12. O-O Nfd7 13. Bxe7 Qxe7 14. Rf3 Nxe5 15. fxe5 {1-0 (29) Aronian,L (2767)-Giri,A (2782) chess.com INT 2018}) 6... c5 7. Nc3 cxd4 8. Nxd4 {The position is equal.} Bxg3 9. hxg3 e5 $146 ({Predecessor:} 9... Nc6 10. cxd5 Nxd5 11. Nxc6 bxc6 12. Qc2 h6 13. Bc4 Qa5 {½-½ (136) Georgiev,K (2623)-Piorun,K (2651) Katowice 2017}) 10. Nf3 {[%cal Rc4d5]} Bg4 11. Nxd5 (11. Qc2 {keeps more tension.} d4 12. exd4 exd4 13. O-O-O Nc6 14. Nb5) 11... e4 {Threatens to win with ...Nxd5.} 12. Nxf6+ Qxf6 {[%mdl 64] Pin} 13. Qc2 Bxf3 $2 (13... Nc6 $1 $11) 14. gxf3 $16 Qxf3 15. Rh4 Re8 {[#]} 16. Rf4 $1 {[%cal Rf4f3]} Qh5 17. Rxe4 $40 {[%cal Re4e8][%mdl 128] White goes for the king.} Qa5+ {[#]} 18. Ke2 $1 {[%cal Re4e8]} Nc6 19. Bg2 Red8 20. Qc3 Qc5 (20... Qxc3 $16 21. bxc3 Rac8) 21. Rg4 $18 {[%csl Gg4][%cal Rc3g7]} Ne5 22. b4 Qc7 23. Re4 f6 24. Rd4 Re8 25. Rad1 Kh8 26. Kf1 Rac8 27. c5 h6 28. Kg1 Qf7 29. Bd5 Qe7 30. Kg2 Rc7 31. Re4 {Strongly threatening f4.} f5 32. Rf4 Qf6 33. Qc2 Rf8 34. e4 g6 35. exf5 gxf5 {[#]} 36. Be4 $1 {[%cal Rf4f5][%mdl 512]} Ng6 (36... fxe4 37. Rxf6) 37. Rxf5 Nh4+ 38. gxh4 Rg8+ 39. Kf1 Qxh4 40. Qc3+ {White mates.} Rcg7 41. Rd6 Rd8 42. Rf7 {[%csl Gf7][%cal Rc3g7]} Rdg8 43. Rxg7 Rxg7 44. Rg6 {Accuracy: White = 73%, Black = 36%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.5"]
[White "Fiora, Emilio"]
[Black "Salinas Herrera, Pablo"]
[Result "1-0"]
[ECO "C49"]
[WhiteElo "2190"]
[BlackElo "2477"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,95,14,11,19,0,18,16,16,10,11,16,19,0,45,45,45,45,45,45,46,46,100,96,134,116,124,120,164,131,202,192,379,360,501,501,638,630,1101,1118,1081,1000,981,692,661,633,628,484,466,482,476,478,443,469,531,531,513,510,519,515,687,691,647,643,596,612,612,606,593,525,681,658,1364,1339,1207,1202,921,818,958,900,29970,29970,29976,29978,29978,29977]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 {C49: Four Knights: 4 Bb5 Bb4} 8. Nd2 Bd7 9. f4 exf4 {The position is equal.} 10. Rxf4 Ne5 $146 ({Predecessor:} 10... Ne7 11. Bxd7 Nxd7 12. c4 Ne5 13. Bb2 f6 14. Nf1 Qd7 15. Ne3 {1-0 (41) Harikrishna,P (2763)-Eljanov,P (2765) Shamkir 2016}) 11. Bxd7 Qxd7 12. c4 Ng6 13. Rf5 Ne8 14. Bb2 f6 15. Nf1 Ne5 16. Ne3 g6 (16... Rb8 $14) 17. Rf2 Ng7 {[#]} 18. d4 $1 {[%cal Rd4e5]} Nc6 19. Nd5 Ne8 20. Qf1 Qg7 (20... Ne7 $16 {might work better.}) 21. Re1 $18 Nd8 $2 (21... b6 22. Qd3 Rd8) 22. e5 fxe5 23. dxe5 Rxf2 24. Qxf2 Nc6 {[%cal Rd6e5]} 25. e6 Ne5 26. Rf1 c6 27. Bxe5 dxe5 28. e7 {[#] Threatening mate with Qf8+.} Nd6 29. Nf6+ Kh8 30. c5 Qxe7 31. cxd6 Qxd6 32. Ne4 Qd4 33. Qxd4 exd4 {[%mdl 4096] Endgame KRN-KR} 34. Rf7 {White threatens Nf6 and mate.} Kg8 35. Rxb7 h5 36. Nf6+ Kf8 37. Rh7 Rd8 38. Rh8+ Ke7 39. Rxd8 Kxd8 {KN-KP} 40. Kf2 Kc7 41. Ne4 Kb6 42. Ke2 Kb5 43. Kd3 c5 44. Nd6+ Kb4 45. Nc4 a5 46. h4 {White mates.} a4 47. a3+ Kb5 48. Ne5 {Accuracy: White = 84%, Black = 34%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.6"]
[White "El Ters, Antouan"]
[Black "Bitelmajer, Martin"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2205"]
[BlackElo "2453"]
[Annotator "RC"]
[PlyCount "70"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. O-O d6 6. d4 Bb6 7. dxe5 Nxe5 8. Nxe5 dxe5 9. Qxd8+ Kxd8 10. Nd2 Ke7 11. b3 Bc5 12. b4 Bd6 13. Bb2 Rd8 14. Rfd1 a5 15. a3 Bd7 16. f3 b5 17. Bb3 c5 18. bxc5 Bxc5+ 19. Kf1 a4 20. Ba2 Be6 21. Bxe6 Kxe6 22. Ke2 Nd7 23. c4 b4 24. axb4 Bxb4 25. Ba3 Bxa3 26. Rxa3 Nc5 27. Nf1 Rxd1 28. Kxd1 Rb8 29. Kc2 g6 30. Nd2 f5 31. Ra2 Kd6 32. Rb2 Ra8 33. Kb1 Kc6 34. Rb5 Rd8 35. Kc2 Rd4 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.7"]
[White "Hernandez Amura, Gilberto"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2199"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,80,35,26,27,0,8,14,66,60,63,44,65,52,38,10,29,20,12,-4,6,4,8,0,0,0,27,0,2,0,0,0,0,-14,-8,-18,-14,-27,-19,-25,-23,-13,-19,-43,-14,-38,-43,-35,-35,-50,-38,-38,-38,-38,-38,-38,-35,-35,-35,-47,-37,-258,-253,-233,-225,-297,-296,-29995,-29996]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} c5 6. e3 Qa5 7. Qd2 d6 8. Be2 {LiveBook: 6 Games. E61: King's Indian: Early deviations for White, including Smyslov System} h6 9. Bh4 (9. Bxf6 $5 exf6 10. Nb5 $14) 9... g5 10. Bg3 {The position is equal.} Nc6 $146 (10... Nh5 $11) ({Predecessor:} 10... Nh5 11. O-O Nxg3 12. hxg3 e6 13. Rad1 Bd7 14. Ne4 Qc7 15. g4 {1-0 (24) Chatalbashev,B (2490)-Louis,J (2080) Val Thorens 1996}) 11. d5 $14 Nb8 {[%cal Bc6b8,Bb8d7,Bd7f6][%mdl 32]} 12. O-O Nh5 $1 13. Qc2 {Hoping for Nxg5!} Nxg3 14. hxg3 a6 15. a4 Nd7 16. e4 (16. Rfd1 {seems wilder.} Nf6 17. Nd2 Bd7 18. Nb3 Qc7 19. a5) 16... Qc7 17. Nd1 Nf6 18. Nd2 e6 19. Ne3 exd5 20. exd5 Re8 21. Rfe1 Re7 22. Bd3 Bd7 23. Re2 Rae8 24. Rae1 Ng4 25. Ndf1 Bd4 26. Nxg4 Bxg4 27. Rxe7 Rxe7 28. Qd2 Qd7 29. Rxe7 Qxe7 30. Nh2 Bd7 31. b3 g4 32. Nf1 Kg7 33. Bc2 Qe5 34. Qd3 f5 {[%cal Bf7f5,Bf5f4,Bf4e3,Be3f2][%mdl 32]} 35. Ne3 {[%cal Re3f5]} Kf6 36. Kf1 h5 37. Ke2 $2 {[#]} ({White should play} 37. Bb1 $15) 37... h4 $1 $19 {[%mdl 512]} 38. gxh4 f4 39. Qh7 {Strongly threatening Bg6.} fxe3 40. Qxd7 $2 (40. Qh8+ $19 Kf7 41. Qxe5 Bxe5 42. Kxe3) 40... exf2+ {Precision: White = 42%, Black = 74%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.8"]
[White "Benoit, Rodrigo"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2189"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,44,26,30,21,28,0,0,-24,-22,-27,-25,-26,-24,-25,-28,-38,-40,-48,-49,-211,-64,-47,-62,-352,-345,-346,-345]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 c6 6. Bg2 d5 7. Nbd2 Nbd7 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} 8. O-O Be7 (8... Rc8 9. Re1 Be7 10. e4 O-O 11. e5 Ne8 12. cxd5 cxd5 13. Bb2 Bd3 14. Rc1 Nc7 15. Re3 Bg6 16. Bf1 Nb8 17. a3 Qd7 18. Rec3 a6 19. Ne1 Nb5 20. Rxc8 Rxc8 21. a4 Na7 22. Nd3 {½-½ (22) Kasimdzhanov,R (2704)-Kovalyov,A (2616) Baku 2015}) 9. Re1 O-O 10. Bb2 c5 {LiveBook: 5 Games} 11. Ne5 {Threatening Nc6.} Rc8 $146 ({Predecessor:} 11... Bb7 12. Nxd7 Qxd7 13. dxc5 bxc5 14. cxd5 exd5 15. e4 dxe4 16. Bxf6 Bxf6 17. Nxe4 Bd4 18. Rc1 Rad8 19. Qh5 {½-½ (19) Kinnunen,K-Hautala,R Vaasa 1997}) 12. Nxd7 Qxd7 13. dxc5 Rxc5 {[%cal Rd5c4]} 14. cxd5 Nxd5 15. Ne4 Rc7 16. Be5 Rcc8 {aiming for ...Rfd8.} 17. Nc3 {[%cal Rg2d5]} Nf6 18. Bf3 $1 Rfd8 {Threatens to win with ...Qe8.} 19. Rc1 $2 {[#]} (19. Qb1 $15) 19... Ba3 (19... Qe8 $19 20. Qc2 Nd7) 20. Bxf6 $1 $15 gxf6 21. Ne4 $2 {[%mdl 8192]} (21. Qxd7 $1 $15 Rxd7 22. Ne4) 21... Rxc1 $19 22. Nxf6+ Kg7 {Precision: White = 22%, Black = 72%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.9"]
[White "Gemy, Jose Daniel"]
[Black "Trois, Francisco R.T."]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2391"]
[BlackElo "2152"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,97,25,14,31,34,36,17,29,27,34,-12,-13,-13,24,15,50,62,61,47,77,77,141,45,54,40,46,47,63,0,0,0,0,-31,-28,-35,-18,-27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,47,48,51,43,250,-91,-78,-91,-67,-167,-167,-193,-193,-193,-193,-193,-188,-170,-152,-137,-26,-139,-8,-8,-8,-8,-8,-52,-52,-52,-52,-53]} 1. e4 d6 2. d4 g6 3. c3 {[%cal Bc2c3,Bc3d4,Bd4d5][%mdl 32]} Nf6 4. Bd3 Bg7 5. Ne2 c5 6. O-O O-O 7. Nd2 {B07: Pirc Defence: Miscellaneous Systems} (7. h3 Nc6 8. Be3 cxd4 9. cxd4 Nb4 10. Nbc3 Nxd3 11. Qxd3 b6 12. d5 e5 13. dxe6 fxe6 14. Rfd1 Bb7 15. Qxd6 Qxd6 16. Rxd6 Nxe4 17. Rxe6 Nxc3 18. Nxc3 {½-½ (52) Nepomniachtchi,I (2632)-Smirin,I (2650) Netanya 2009}) 7... cxd4 8. cxd4 Nc6 9. h3 {LiveBook: 4 Games. White has an edge.} e5 10. d5 $1 {[%cal Rd5c6]} Nb4 11. Bb1 a5 12. a3 $146 ({Predecessor:} 12. Nc3 Bd7 13. Qe2 Rc8 {0-1 (65) Congiu,M (2212)-Levacic,D (2284) France 2009}) 12... Na6 13. b4 Bd7 14. Qb3 Nh5 15. Nc4 Nf4 16. Nxf4 exf4 17. Ra2 $1 axb4 18. axb4 g5 (18... b5 $142 19. Nxd6 g5) 19. h4 (19. Nxd6 $16 Qe7 20. Nxb7) 19... Bb5 $14 20. Rd1 Bxc4 21. Qxc4 h6 22. hxg5 (22. Qe2 $14) 22... hxg5 $11 23. Qb5 Qe7 24. Bd2 Be5 25. Qe2 Kg7 26. Qg4 Nc7 27. g3 Rxa2 28. Bxa2 {[%cal Rg3f4]} Qf6 29. Kg2 $36 {[%mdl 2048] Black is under pressure.} Rh8 30. gxf4 Bxf4 31. Bxf4 Qxf4 32. Qxf4 gxf4 {[%mdl 4096] Endgame KRB-KRN} 33. Kf3 Nb5 34. Bc4 Nc3 35. Rc1 Kf6 $2 (35... f5 $14) 36. Bf1 $2 (36. Kxf4 $18 Na4 37. Bb5 Rh4+ 38. Kg3 Rxe4 39. Bxa4) 36... Rc8 $1 $17 37. Bh3 Rc7 38. Rh1 {[#]} ({Better is} 38. Rg1 $15) 38... Ke5 $1 $19 39. Bf5 Nxe4 $1 40. Bxe4 {aiming for Rh5+. KRB-KR} Rc3+ 41. Kg4 Kxe4 {KR-KR} 42. Re1+ Kxd5 43. Re7 {[#]} f5+ $1 44. Kxf4 (44. Kxf5 $11 b5 45. Kxf4) 44... Rc4+ (44... b5 $17 {And now ...Rb3 would win.} 45. Re2 Rb3 46. Kxf5 Rxb4) 45. Kxf5 $11 Rxb4 46. f4 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 47. Kg5 Rb1 $1 {White must now prevent ...b4.} 48. f5 b4 49. f6 {Precision: White = 46%, Black = 42%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.10"]
[White "De Dovitiis, Alejo"]
[Black "Meza, Anahi"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2353"]
[BlackElo "2058"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,77,32,12,43,50,53,54,115,110,125,58,100,92,105,100,97,64,52,61,118,110,286,259,308,310,352,355,335,225,222,207,221,177,195,192,191,150,121,107,587,583,562,561,852,825,802,790,765,512,466,279,272,259,270,239,605,529,516,496,954,258,260,252,420,370,2124,1783,29966,29966]} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Qc7 6. a3 cxd4 {C02: French: Advance Variation} 7. cxd4 f6 {[%cal Rf6e5]} 8. Bf4 Bd7 $146 (8... Qf7 $14) ({Predecessor:} 8... fxe5 9. dxe5 Bc5 10. b4 Bb6 11. Bd3 Nge7 12. O-O O-O 13. g3 Nf5 14. Nc3 {0-1 (34) Amtmann,F (2170)-Diller,P (1990) Schweinfurt 2016}) 9. Nc3 $16 a6 10. Qd2 (10. Bd3 $16) 10... f5 11. Bd3 Nge7 12. h4 Na5 13. Qe2 Nb3 14. Rd1 Ng6 ({Black should try} 14... h6 $14) 15. Bg3 Bxa3 $2 (15... Qb6 $16 {might work better.}) 16. h5 Ne7 17. Qc2 Nxd4 18. Nxd4 Bc5 19. Nb3 Bb4 20. O-O Rc8 21. Qd2 Bxc3 22. bxc3 ({Stronger than} 22. Qxc3 Qb6 $17) 22... Qxc3 23. Qg5 {[#] Hoping for Bh4.} Qxb3 24. Bh4 $40 {[%csl Gh4][%cal Rg5e7][%mdl 128] White is out for blood.} Qb4 $2 {[%mdl 8192]} (24... O-O $16 {is more resistant.}) 25. Rb1 $18 h6 26. Qxg7 (26. Rxb4 $2 {perishes.} hxg5 27. Bxg5 b5 $19) 26... Qxh4 27. Qxh8+ Kf7 28. Qh7+ Ke8 29. Qxh6 Bc6 30. Qxe6 (30. Rfc1 $142 Qg4 31. Qxe6) 30... Qxh5 31. Qf6 d4 32. e6 Kd8 $2 (32... Qg6 33. Qh8+ Qg8) 33. Qxd4+ Ke8 34. Qf6 Nd5 (34... Qg6 $142 35. Qh8+ Qg8) 35. Qxf5 $2 (35. Qg7 Rc7 36. Qg8+ Ke7 37. Rfe1) 35... Qxf5 36. Bxf5 Nf4 $2 (36... Ke7 37. Rfc1 a5) 37. Rfe1 {[#] Threatens to win with g3.} Nxg2 $2 (37... Ke7 38. g3 Nh5) 38. e7 Nxe1 39. Rxe1 {Accuracy: White = 62%, Black = 27%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.11"]
[White "Munoz Perez, Rolando"]
[Black "Lopez Azambuja, Nicolas"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2130"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,92,15,27,27,27,27,27,46,19,58,65,52,49,41,-1,2,-40,-47,-64,-64,-49,-60,-40,-50,-54,-62,-192,-192,-223,-213,-229,-231,-231,-214,-235,-186,-386,-375,-368,-372,-376,-338,-327,-287,-278,-261,-280,-265,-360,-326,-475,-444,-468,-452,-634,-620,-742,-775,-809,-805,-840,-489,-631,-631,-910,-755,-920,-900,-1302,-812,-1197,-1147,-1163,-1676,-1917,-1660]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O 7. Qc2 c6 8. O-O Nbd7 9. Bf4 Ne4 10. Nc3 g5 {[#] Hoping for ...Nxc3. E08: Closed Catalan: Main Line: 7 Qc2} 11. Bc1 f5 12. b3 Nd6 $146 {White has an edge.} ({Predecessor:} 12... b6 13. Bb2 Bb7 14. Ne1 Bf6 15. Rd1 Qe7 16. e3 Rac8 17. Nd3 c5 18. Ba3 {0-1 (46) Swiercz,D (2656)-Akobian,V (2641) Saint Louis 2018}) 13. Bb2 dxc4 14. e4 g4 15. Nd2 Nb6 16. f4 cxb3 17. Qxb3 {[#]} Ndc4 $1 $36 {[%mdl 2624] Decoy. Black has the initiative.} 18. Nxc4 {And now Rf2 would win.} Qxd4+ {[%mdl 64] Double Attack} 19. Ne3 Qxe3+ 20. Kh1 Qc5 21. Rac1 {Strongly threatening Nd5.} Qb4 22. Rfd1 (22. Qc2 $1 $15) 22... Nc4 $19 23. Ba1 Qxb3 24. axb3 Ne3 25. Rd3 Nxg2 26. Kxg2 Rd8 27. Rcd1 $2 (27. Rxd8+ {keeps fighting.} Bxd8 28. Na4) 27... Rxd3 28. Rxd3 Kf7 29. Nd1 fxe4 30. Re3 b6 31. Nf2 h5 32. Nxe4 c5 33. Nd2 Ba6 34. Nc4 (34. Kf2 $142) 34... Bxc4 {Black is clearly winning.} 35. bxc4 {[%mdl 4096] Endgame KRB-KRB} Rd8 36. Ra3 (36. Re2 $142 Bf6 37. Be5) 36... Rd2+ 37. Kg1 a5 38. Be5 Bf6 39. Rb3 Bd8 40. Bh8 Rc2 41. Rd3 Bf6 42. Bxf6 Kxf6 43. Rd6 Rb2 44. Rd7 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 45. Ra7 Ra2 46. Ra6 a3 {Accuracy: White = 34%, Black = 73%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.12"]
[White "Curi, Gabriel"]
[Black "Mussanti, Diego"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "2159"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 36,94,25,17,34,22,20,10,20,24,28,25,13,22,63,40,118,117,318,278,297,92,92,92,92,85,133,87,88,0,106,71,70,81,104,76,58,36,52,0,0,-44,-45,-50,-51,-52,-52,-61,-50,-56,-51,-63,-65,-121,-135,-29994,-29995,-29995,-29996,-29996,-29997]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. Be3 Nf6 8. O-O d6 9. a4 Be7 10. f4 O-O 11. Kh1 Rd8 12. Qe1 Nxd4 13. Bxd4 e5 14. Bg1 exf4 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3} 15. a5 Re8 16. Bb6 Qc6 17. Rxf4 Be6 18. Qg3 Nd7 19. Bd4 {[%csl Gd4][%cal Rg3g7] LiveBook: 5 Games} Ne5 20. Raf1 Bf8 21. Bd3 {[#]} Re7 $146 ({Predecessor:} 21... g6 22. Nd5 Bxd5 23. exd5 {1-0 (54) Goloshchapov,A (2445)-Boensch,U (2550) Meisdorf 1996}) 22. Nd5 Bxd5 23. exd5 Qxd5 24. Bxe5 $40 {[%mdl 128] White is up to no good.} Qxe5 25. Qh4 {[%csl Gd3][%cal Rh4h7]} (25. Qf3 $5 {[%cal Rf4f7]} g6 26. Rxf7 $16) 25... h6 ({Black should try} 25... g6 $1 $14) 26. Rf5 $1 $16 {[%cal Rf5e5]} g5 $2 {[#]} (26... Qe3 $16) 27. Qh5 $1 $18 ({Weaker is} 27. Rxe5 gxh4 28. Re4 Rc8 $14) 27... Qe6 {[#] intending ...Bg7.} 28. Rxg5+ $1 {[%mdl 512]} Bg7 $16 (28... hxg5 29. Qh7#) 29. Rg4 {Threatens to win with Bc4.} d5 30. h3 Kf8 31. Rgf4 Kg8 32. Rg4 Kf8 $1 33. Bh7 Rd8 34. Rgf4 Rd6 35. c3 d4 36. cxd4 Rxd4 37. Rxd4 (37. R4f2 $14) 37... Bxd4 $11 38. Rd1 Bxb2 39. Bf5 Qf6 40. Qg4 {Strongly threatening Rd8+.} Qg5 41. Qf3 Be5 42. Be4 Bc7 43. Bxb7 Qxa5 44. Qf1 (44. g3 $15) 44... Qe5 $17 {[%csl Gc7][%cal Re5h2]} 45. Kg1 $2 {[%mdl 8192]} (45. Qg1 $17) 45... Qh2+ {Black mates.} 46. Kf2 Bb6+ 47. Kf3 Re3+ {Precision: White = 34%, Black = 59%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.13"]
[White "Sosa Macho, Juan Manuel"]
[Black "Scarella, Enrique Alejandro"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2079"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,54,61,24,47,39,56,41,58,38,38,39,39,35,47,40,55,50,67,31,41,45,46,39,32,-7,6,5,16,-16,-15,-38,0,-72,-60,-168,-173,-177,-92,-221,-213,-218,-155,-181,-181,-186,-110,-136,-149,-149,-140,-232,-231,-221,-219,-225,-214,-261,-254,-414,-384,-384,-375,-376,-376,-477,-464,-493,-451,-547,-555,-547,-547,-538,-508,-783,-772,-902,-672,-672,-662,-936,-890,-1222,-1087,-1830,-1684,-1561,-1381,-29982,-29983,-29983,-29963,-4929,-4125]} 1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. g3 c6 5. Bg2 e5 6. d5 {A53: Old Indian Defence without Nf3} (6. e4 Be6 7. d5 cxd5 8. cxd5 Bd7 9. Nf3 Be7 10. O-O b5 11. a3 a5 12. Qe2 Qb6 {1-0 (85) Korobov,A (2720)-Jobava,B (2696) Tromsoe 2013}) 6... h6 7. e4 Bh7 8. Nge2 {White is slightly better.} Be7 $146 ({Predecessor:} 8... cxd5 9. cxd5 Nbd7 10. f3 Be7 11. Be3 O-O 12. O-O Qa5 {1-0 (45) Macieja,B (2533)-Shtembuliak,E (2490) Dallas 2017}) 9. O-O O-O 10. Kh1 cxd5 11. cxd5 b5 {Black wants to play ...b4.} 12. a3 Qb6 13. Be3 Qb7 14. f4 Nbd7 15. f5 b4 16. axb4 Qxb4 17. Qa4 a5 18. Ra2 Nc5 19. Qa3 Nfd7 20. Rfa1 Qc4 21. Nc1 (21. Bf1 $1 $11 {keeps the balance.} Qd3 22. Bg1) 21... Bg5 $36 {[%mdl 2048] Black has the initiative.} 22. Bg1 (22. Bxg5 $15 hxg5 23. Nd1) 22... Rfb8 $19 23. N3e2 Bxc1 (23... Nxe4 $19 24. b3 Bxc1 25. bxc4 Bxa3 26. Bxe4 Bb4) 24. Nxc1 (24. Rxc1 $17 Qxe2 25. b4 Qxa2 26. Qxa2 axb4 {[%mdl 64] Discovered Attack} 27. Qc2) 24... Nxe4 25. g4 Nec5 26. Qf3 Rb4 27. h3 {[#]} a4 (27... h5 $1 $19 {[%cal Rh5g4][%mdl 512]} 28. gxh5 a4) 28. Bf1 Qf4 29. Qxf4 Rxf4 30. Nd3 {[#]} (30. Bb5 $17 {is a better defense.}) 30... Rxf1 $1 {[%mdl 576] Remove Defender} 31. Rxf1 {Hoping for Nxc5.} Nxd3 32. b3 Kf8 33. bxa4 f6 34. a5 $2 (34. Ra3 Nf4 35. a5) 34... Bg8 35. Ra3 Bxd5+ 36. Kh2 Bc4 37. Rb1 d5 38. Rb7 Ke8 39. Ra7 Rxa7 40. Bxa7 N3c5 41. h4 Kd8 42. Kg3 (42. a6 $142 Nxa6 43. Kg3) 42... Kc7 43. Bb6+ Kc6 44. Bd8 d4 45. Ra1 e4 46. Kf4 e3 47. g5 hxg5+ 48. hxg5 e2 49. Kf3 Ne5+ 50. Kf2 Ne4+ {[%mdl 64] Double Attack} 51. Kg2 d3 {Accuracy: White = 29%, Black = 69%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.14"]
[White "Torella, Rodolfo"]
[Black "Coro, Lucas"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2022"]
[BlackElo "2284"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,90,-13,34,-6,32,33,38,28,25,30,50,53,92,97,147,170,176,163,136,60,72,81,70,45,45,45,45,45,45,45,45,45,45,8,30,30,30,22,22,22,30,30,30,30,30,0,0,0,0,0,0,-2,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 {[%cal Bd4b5,Bb5a3,Ba3c2,Bc2e3][%mdl 32]} d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. exf5 Bxf5 12. c3 Bg7 13. Nc2 O-O 14. Nce3 Be6 15. g3 {[%cal Bg2g3,Bg3g4,Bg4f5][%mdl 32]} f5 16. Bg2 Rb8 17. O-O {B33: Sicilian: Pelikan and Sveshnikov Variations} a5 {LiveBook: 16 Games} (17... f4 $5 {[%cal Rf4e3]} 18. Nc2 Qd7 $11) 18. f4 e4 19. g4 {[#] White is slightly better.} Ne7 $146 ({Predecessor:} 19... Qd7 20. gxf5 Bxf5 21. Nxf5 Qxf5 22. Ne3 Qc5 23. Qd5+ Kh8 24. Qxc5 dxc5 25. Bxe4 Rfe8 26. Bxc6 Rxe3 27. Rae1 {½-½ (27) Zeytinoglu,N (1883)-So,W (2577) Mersin 2008}) 20. Nxe7+ Qxe7 21. gxf5 Bf7 22. Nd5 Qa7+ 23. Kh1 {Hoping for f6.} Qc5 24. Bxe4 {Threatens to win with f6.} Rbe8 25. Bf3 Bxd5 26. Qxd5+ ({Better is} 26. Bxd5+ $16 Kh8 27. Be6) 26... Kh8 $14 27. Qxc5 dxc5 28. Rfe1 Rxe1+ 29. Rxe1 Rxf5 {[%mdl 4096] Endgame KRB-KRB} 30. Re8+ Rf8 31. Rxf8+ Bxf8 {KB-KB} 32. Bc6 b4 33. c4 Bh6 34. f5 Kg7 35. Kg2 Kf6 36. Bd7 Bc1 37. b3 Ke5 38. Kf3 Bd2 39. f6 Kxf6 {The position is equal.} 40. Ke4 Bc3 41. Kd5 Bd4 42. Kc6 h6 43. Kb5 Ke7 44. Bg4 Kd6 45. Kxa5 Bb2 {Precision: White = 49%, Black = 60%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.15"]
[White "Vazquez, Facundo"]
[Black "Carbone, Diego"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "2019"]
[BlackElo "2256"]
[Annotator "RC"]
[PlyCount "50"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O a6 8. h3 Bd7 9. e4 e5 10. d5 Ne7 11. Ne1 Ne8 12. Nd3 f5 13. f4 exf4 14. g4 {fxg3 Bf4} b5 15. cxb5 axb5 16. e5 b4 17. Ne2 h6 18. h4 Qb8 19. Nd4 Ra5 20. Nb3 Qa7+ 21. Kh1 Rxa2 22. Nxb4 Rxa1 {Qxa1 Qxa1 Rxa1 dxe5} 23. Be3 {f4 Bc5 Nd6 Nd2 Nef5 Ra7 Nb5 Bxf8 Nxa7 Bc5 Nb5 Nf3} Bf6 24. Nd3 g5 25. hxg5 hxg5 {Nfxe5} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "5.15"]
[White "Vazquez, Facundo"]
[Black "Carbone, Diego"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "2019"]
[BlackElo "2256"]
[Annotator "ChessBase"]
[PlyCount "77"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. O-O a6 8. h3 Bd7 9. e4 e5 10. d5 Ne7 11. Ne1 Ne8 12. Nd3 f5 13. f4 exf4 14. Bxf4 b5 15. cxb5 axb5 16. e5 b4 17. Ne2 h6 18. h4 Qb8 19. Nd4 Ra5 20. Nb3 Qa7+ 21. Kh1 Rxa2 22. Nxb4 Rxa1 23. Qxa1 Qxa1 24. Rxa1 dxe5 25. Be3 f4 26. Bc5 Nd6 27. Nd2 Nef5 28. gxf4 exf4 29. Ra7 Nb5 30. Bxf8 Nxa7 31. Bc5 Nb5 32. Nf3 Bf6 33. Nd3 g5 34. hxg5 hxg5 35. Nfe5 Ng3+ 36. Kh2 Bf5 37. Bh3 Bxh3 38. Kxh3 Ne4 39. Bg1 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.16"]
[White "Gaye, Gustavo"]
[Black "Muniz, Rafael"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1984"]
[BlackElo "2250"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,66,26,28,23,10,10,15,23,0,8,0,0,0,47,36,122,121,128,92,119,33,34,-8,0,-12,-15,-92,-10,-2,0,-12,0,-6,-11,-13,25,24,38,26,50,26,33,35,35,16,22,0,0,0,0,-20,29,-283,-287]} 1. g3 e5 2. Bg2 Nc6 3. c4 Bc5 4. Nc3 a6 5. e3 d6 6. Nge2 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} (6. Nf3 Nf6 7. O-O O-O 8. h3 Ba7 9. d4 h6 10. dxe5 dxe5 11. Qxd8 Rxd8 12. b3 Be6 13. Ba3 Rd7 14. Rfd1 Rad8 15. Rxd7 Rxd7 {½-½ (41) Howell,D (2676)-Ponomariov,R (2694) Riadh 2017}) 6... Ba7 7. a3 h5 8. h4 {LiveBook: 6 Games. White has an edge.} Nf6 9. b3 $146 ({Predecessor:} 9. d4 O-O 10. O-O Re8 11. b4 exd4 12. exd4 Bg4 {0-1 (51) Soham,K (2065)-Koustav,C (2383) Kolkata 2018}) 9... Bg4 10. Bb2 Qd7 11. d3 Rb8 12. Qc2 Ne7 13. d4 Nf5 {[%cal Re5d4]} 14. Ne4 Qe7 {[#]} (14... Nxe4 $1 $14 15. Bxe4 O-O) 15. Nxf6+ $1 $16 gxf6 16. Be4 Nh6 17. dxe5 ({White should try} 17. O-O $16) 17... fxe5 $14 18. O-O Rg8 19. Kh2 Be6 20. Qd3 {[#]} (20. Rac1 $11) 20... c6 (20... Rg4 $1 $17) 21. Rad1 $36 {[%mdl 2048] White is pushing.} Rd8 22. Bg2 Ng4+ 23. Kg1 f5 24. Bc3 d5 25. cxd5 cxd5 26. Bb4 Qf7 27. Ba5 Rd7 28. Rc1 Ke7 {[%cal Be8e7,Be7f6,Bf6g6,Bg6h6][%mdl 32]} 29. Bb4+ Kf6 30. Bc3 Kg6 31. Bb2 Kh6 32. b4 Rgd8 33. Bf3 $2 {[%mdl 8192]} (33. b5 $11 {and White is okay.}) 33... e4 {Precision: White = 27%, Black = 30%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.17"]
[White "Rupel, David"]
[Black "Barreto, Ignacio C. de Barro"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1953"]
[BlackElo "2212"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,122,35,43,-66,-65,-87,-90,-148,-135,-134,-134,-178,-156,-170,-144,-155,-150,-154,-161,-164,-173,-188,-131,-132,-119,-118,-125,-119,-120,-177,-91,-95,-95,-88,-88,-91,-81,-88,-88,-82,-82,-74,-47,-88,-88,-88,-88,-95,-88,-82,-81,-84,-72,-87,-79,-185,-135,-162,-135,-145,-135,-135,-135,-128,-110,-128,-128,-168,-168,-178,-147,-148,-97,-271,-249,-301,-244,-244,-244,-447,-440,-432,-432,-401,-74,-75,-74,-80,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,0,0,0]} 1. d4 Nf6 2. Nf3 d6 3. c4 g6 4. Nc3 Bg7 5. h3 O-O 6. e4 Na6 7. e5 $146 {E90: King's Indian: Classical: Early deviations and 6 h3} ({Only move:} 7. Bd3 $1 $14) ({Predecessor:} 7. Be3 c6 8. Rc1 e5 9. d5 cxd5 10. cxd5 Ne8 11. g4 Kh8 12. Be2 f5 13. gxf5 gxf5 14. exf5 Bxf5 15. Ng5 {1-0 (36) Nepomniachtchi,I (2751)-Adhiban,B (2677) Tbilisi 2017}) 7... dxe5 $15 8. Nxe5 c5 9. Be3 (9. d5 $142) 9... cxd4 $1 $17 10. Bxd4 Nb4 11. Bc5 Qa5 $1 {[%cal Ra5c5]} 12. Bxb4 Qxb4 13. Qb3 Qa5 14. Qb5 Qc7 $1 15. Nf3 Bd7 16. Qb3 Bc6 ({Black should play} 16... Nh5 $1 $19 17. Bd3 Bc6) 17. Be2 Nh5 18. O-O Nf4 19. Rfe1 Rad8 20. Qc2 (20. Nb5 $17 Qb8 21. Rab1) 20... Nxe2+ (20... e5 $19 21. Rac1 Qe7) 21. Qxe2 Bxc3 22. bxc3 Bxf3 23. Qxf3 b6 24. Qe4 e6 25. Rad1 Rc8 (25... Rfe8 {seems wilder.} 26. Qe2 Qc5 27. g3 h5 28. Kg2 Kg7) 26. Rd4 Qc6 27. Qxc6 Rxc6 $15 {[%mdl 4096] Endgame KRR-KRR} 28. Rd7 a5 29. Rb7 Rxc4 30. Rxb6 Rxc3 31. Ra6 Rc5 32. Re4 Rb8 {Hoping for ...Rb1+.} 33. Ra4 (33. g4 $17 {might work better.}) 33... Rb1+ 34. Kh2 Rb2 35. R6xa5 Rxa5 36. Rxa5 Rxf2 $17 {KR-KR} 37. Kg3 Rb2 38. a4 Kg7 39. Rb5 Ra2 40. a5 Ra4 41. Kf3 h5 (41... f5 $142 $1 42. Ke3 Ra2) 42. Rc5 $2 {[#]} (42. g4 $17) 42... f5 $1 $19 43. Rc6 Ra3+ ({Less strong is} 43... Rxa5 44. Rxe6 h4 45. Rb6 $17) 44. Kf2 Kf6 ({Resist} 44... Rxa5 45. Rxe6 g5 46. Ke3 $17) 45. Rc5 $2 (45. h4) 45... h4 46. Rb5 g5 47. Rc5 g4 $2 (47... f4 $19 {has better winning chances.} 48. Rb5 e5) 48. hxg4 $17 fxg4 49. Rh5 {[#]} h3 (49... Ra2+ $1 $17 50. Ke3 Rxg2 51. Rxh4 Kg5) 50. gxh3 $11 {The position is equal.} gxh3 51. a6 Rxa6 {...Ra3 is the strong threat.} 52. Rxh3 Ra2+ 53. Ke1 Kf5 54. Rh4 e5 55. Rh3 Kg4 (55... e4 {is interesting.} 56. Rg3 Rh2 57. Ra3 Rh8 58. Kd1 Ke5) 56. Rb3 e4 57. Rc3 Kf4 58. Rb3 Ra1+ 59. Ke2 Ra2+ 60. Ke1 e3 {( -> ...Kf3)} 61. Rb8 Ke5 {Accuracy: White = 52%, Black = 57%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.18"]
[White "Granara Barreto, Sebastian"]
[Black "Alonso, Salvador"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2134"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,100,24,16,47,33,43,14,47,40,39,37,115,116,120,120,133,115,108,59,67,65,65,59,63,65,67,68,66,56,61,51,57,47,77,43,64,54,59,43,56,22,26,8,33,0,0,0,4,0,0,-28,-28,-143,-144,-136,-135,-159,-156,-161,-128,-127,-58,-341,-305,-343,-343,-343,-343,-319,-328,-117,-88,-95,-95,-29981,-29982,-29982,-29983,-29983,-29984,-29983,-29982,-29983,-29984]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 Qb6 7. Nxc6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} bxc6 8. Bd3 Ng6 9. c4 Be7 (9... Bc5 10. Nc3 Qc7 11. Kh1 e5 12. Na4 Bd4 13. c5 d6 14. Be3 dxc5 15. Nxc5 Bxb2 {0-1 (56) Adams,M (2712)-Adhiban,B (2668) Douglas 2018}) 10. Nc3 {LiveBook: 12 Games} c5 11. f4 Bb7 $146 ({Predecessor:} 11... O-O 12. Rb1 a6 13. Be3 Qc7 14. Qh5 f6 {0-1 (44) Bernotas,A (2407)-Fedorov,A (2572) Minsk 2018}) 12. Qe2 a6 13. Be3 Qc7 14. Rad1 Bf6 (14... O-O $14) 15. e5 $16 Be7 16. Ne4 Bxe4 17. Bxe4 Rd8 18. Rd2 O-O 19. Rfd1 d6 20. exd6 Rxd6 21. Rxd6 Bxd6 22. g3 Be7 23. Rd3 Rb8 24. Qd2 {Strongly threatening Rd7.} Nf8 25. b3 a5 26. a4 (26. Bg2 {looks sharper.} g6 27. Qc2 Nd7 28. Qd1 Nf8 29. Qe2) 26... Rd8 27. Rxd8 Bxd8 28. Qd3 Bf6 29. Kg2 g6 30. Bf3 Qb6 31. h4 h5 32. Bd1 Kg7 33. Bf3 Bd4 34. Qe4 Nd7 35. Bd1 (35. Qd3 $11 {keeps the balance.}) 35... Bxe3 $1 $17 36. Qxe3 Qd6 $1 $36 {[%cal Rd6d1][%mdl 2048] Black is in control.} 37. Bf3 Qd4 38. Kf2 Kf6 39. Bc6 Ke7 (39... Qxe3+ $1 $17 40. Kxe3 Ke7) 40. Qxd4 $4 {[%mdl 8192]} (40. Bxd7 $1 $15 Kxd7 41. Ke2 Qb2+ 42. Kf1) 40... cxd4 $19 41. Bxd7 Kxd7 $15 {[%mdl 4096] Endgame KP-KP} 42. Ke2 Kd6 43. Kd3 Kc5 44. Ke4 $2 {[#]} (44. Ke2 $19) 44... f6 $1 $17 {[%cal Bf7f6,Bf6f5][%mdl 32]} 45. Kd3 {[#]} e5 $1 {[%cal Be6e5,Be5e4][%mdl 32]} 46. Ke4 $2 {[%mdl 8192]} (46. fxe5 $17 fxe5 47. Ke4) 46... f5+ {Black mates.} 47. Kd3 e4+ 48. Kd2 d3 49. Ke3 Kd6 50. Kd2 Kc6 {Precision: White = 23%, Black = 65%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.19"]
[White "Zapata Charles, Santiago"]
[Black "Guerrero, Alvaro"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2300"]
[BlackElo "2096"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,12,16,-5,0,0,0,-5,75,76,89,77,86,81,99,85,96,99,100,66,85,84,105,37,64,75,98,-166,-174,-168,-177,-172,-163,-169,-178,-161,-151,-170,-180,-168,-164,-266,-210,-231,-199,-197,-198,-201,-197,-197,-201,-201,0,-182,-183,-143,-148,-200,-111,-111,-111,-114,-115,-115,-96,-118,-110,-112,-96,-97,-97,-111,0,-96,0,-110,0,-95]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 {B12: Caro-Kann: Advance Variation} Qb6 (7... Be7 8. Nf3 Nh6 9. Nbd2 Nf5 10. Nf1 Qa5+ 11. c3 Qa6 12. Qd2 Nd7 13. Ng3 Nxg3 14. fxg3 f6 {½-½ (72) Inarkiev,E (2693)-Tomashevsky,E (2705) St Petersburg 2018}) 8. Nd2 c5 9. c4 Qa6 (9... Qxb2 $11 {keeps the balance.} 10. Rb1 Qxd4 11. Qxd4 cxd4) 10. Ngf3 $16 Nc6 11. O-O cxd4 12. a3 $1 Nge7 13. b4 {Hoping for b5.} dxc4 14. Nxc4 $146 ({Predecessor:} 14. Qxc4 b5 {1-0 (36) Hinrichs,L (2157)-Brinkmann,F (2107) Lueneburg 2016}) 14... Nf5 15. Rac1 {[%mdl 1024] White has strong compensation.} Qb5 16. Rfe1 Rb8 17. Qd2 (17. Qb3 $16) 17... Qd5 18. Qf4 b5 {[#]} 19. Nb2 $2 {[%mdl 8192] [#]} (19. Nd6+ $1 $16 {[%mdl 512] is forced if you want to stay better.} Nxd6 20. Rc5 Qxc5 21. bxc5) 19... a5 $1 $19 20. Qe4 Qxe4 21. Rxe4 {[#]} Kd7 $1 22. Nd3 axb4 23. axb4 Ra8 ({Resist} 23... Nxb4 24. Nxb4 Bxb4 25. Nxd4 $11) 24. Bd2 Ra2 25. Kf1 Be7 26. Ke1 (26. Bg5 {keeps fighting.}) 26... Rc8 27. Kd1 Rc7 28. g3 Rca7 29. Nfe1 R7a3 30. Rc2 Ra1+ 31. Rc1 R1a2 32. Rc2 $1 Rxc2 33. Kxc2 Ra2+ 34. Kc1 (34. Kd1 $17 {was called for.}) 34... g6 (34... Ra4 $19 {[%cal Rc6b4]} 35. Nc2 Bf8) 35. Nc2 $17 Kc7 36. Kb1 Ra8 37. Kb2 Rd8 38. Kb3 Kb6 39. Nce1 Rd5 40. Nf3 Rd7 41. Bc1 Rd5 42. Bd2 $1 Rd7 43. Bc1 $1 Rd5 44. Bd2 $1 {Accuracy: White = 63%, Black = 46%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.20"]
[White "Coppola, Claudio"]
[Black "Escofet, Jaime"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2209"]
[BlackElo "1957"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,78,33,30,0,0,-8,-8,-9,-8,-7,22,0,30,20,24,-17,-7,-117,-117,-116,-103,-99,-102,-112,-8,-15,23,0,37,6,37,0,15,0,15,15,15,15,15,15,15,15,37,0,20,0,0,0,20,22,40,0,40,0,0,0,0,0,0,0,13,0,0,0,0]} 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 c6 5. Nf3 d5 6. Bf4 Be7 7. O-O O-O 8. Nbd2 Nbd7 {LiveBook: 5 Games. A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6)} (8... Nh5 9. Be5 Nd7 10. e3 Nhf6 11. Qc2 Ne4 12. Rfd1 g5 13. Ne1 Nxd2 14. Rxd2 Bb4 15. Rdd1 Bxe1 16. Rxe1 Nxe5 17. dxe5 {1-0 (34) Gupta,A (2640)-Vaisser,A (2531) Douglas 2014}) 9. Ne5 Nxe5 10. dxe5 $146 ({Predecessor:} 10. Bxe5 Bd7 11. c5 Be8 12. b4 Nd7 13. Nb3 Bh5 14. Qd2 {1-0 (51) Meskovs,N (2452)-Polok,K (2228) Wroclaw 2014}) 10... Nh5 11. e3 Nxf4 12. exf4 b6 13. Nf3 Bb7 14. Nd4 Qd7 15. Qb3 Bc5 16. Ne2 (16. Nf3 $11 {keeps the balance.}) 16... Ba6 $17 17. Rfd1 Qe7 18. cxd5 Bxe2 19. Rd2 {[%cal Bd1d2,Bd2e2,Be2c2][%mdl 32] [#] Threatens to win with d6.} cxd5 (19... Bh5 $1 $17 20. dxe6 Rad8) 20. Rxe2 $11 Rac8 21. Rc2 Rc7 22. Bf1 a5 23. Bb5 Rfc8 24. Rac1 Bb4 25. a3 Rxc2 26. Rxc2 Rxc2 27. Qxc2 Bc5 $1 28. Qa4 g5 29. Bd3 g4 30. Qc6 Kf7 31. Bb5 h5 32. Kf1 Qf8 33. Ke2 Qe7 34. f3 Qf8 {The position is equal.} 35. Qc7+ Qe7 36. Bd7 Bg1 37. fxg4 hxg4 38. Kf1 Qc5 {[%csl Gg1][%cal Rc5f2] [#]} 39. Bc6+ Kg8 {Precision: White = 38%, Black = 40%.} ({Much worse is} 39... Kg6 $6 40. Be8+ Kh6 41. Qxc5 $16) 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.21"]
[White "Pichuaga, Juan Pablo"]
[Black "Lagar, Valentin Alejo"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2027"]
[BlackElo "2196"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,72,0,5,-7,0,0,0,0,0,-3,1,-21,0,-150,-72,-154,-159,-149,-145,-143,-146,-211,-218,-191,-63,-53,-62,-55,-59,-58,-61,-66,-71,-93,-86,-85,-85,-103,-41,-87,0,-87,-87,-251,-233,-259,-258,-376,-338,-364,-361,-384,-341,-484,-484,-447,-437,-1316,-627,-29949,-29948,-2430,-1239]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d3 f6 6. Be3 {C68: Ruy Lopez: Exchange Variation, sidelines} c5 {LiveBook: 3 Games} (6... Ne7 7. Nbd2 Ng6 8. d4 Bg4 9. h3 exd4 10. Bxd4 Be6 11. Be3 c5 12. Qe2 Qd7 13. O-O O-O-O {0-1 (42) Indjic,A (2546)-Smirin,I (2650) Jerusalem 2015}) 7. Nbd2 Bd6 8. c3 {The position is equal.} Ne7 9. Qb3 $146 ({Predecessor:} 9. Nc4 Be6 10. O-O O-O 11. Nxd6 Qxd6 12. d4 cxd4 13. cxd4 exd4 14. Qxd4 Qxd4 15. Nxd4 {½-½ (31) Razuvajeva,J (2105)-Rutman,A (2315) St Petersburg 1997}) 9... Nc6 10. O-O Qe7 11. Nh4 g6 12. f4 (12. Nc4 $11) 12... Be6 (12... exf4 $142 $1 13. Bxf4 Bxf4 14. Rxf4 b6) 13. Qc2 (13. Nc4 $142 Bxc4 14. dxc4 (14. Qxb7 $2 Kd7 $19)) 13... exf4 $17 14. Bxf4 Bxf4 15. Rxf4 O-O-O $1 16. Nf1 (16. Rff1 $17 {was necessary.}) 16... Rd6 17. Rf2 f5 ({Better is} 17... Ne5 $19 18. d4 cxd4 19. cxd4 Rxd4) 18. exf5 $15 Qxh4 19. fxe6 Rxe6 20. Re2 Rhe8 21. Rxe6 Rxe6 22. Qf2 Qe7 23. Ng3 Ne5 $36 {[%mdl 2048] Black is in control.} 24. Rd1 Ng4 (24... h5 $17) 25. Qf3 {[#]} Ne5 ({Black should play} 25... h5 $1 $17) 26. Qf4 (26. Qf2 $1 $11 {keeps the balance.}) 26... h5 $17 27. Ne4 $2 {[#]} (27. Nf1 $17) 27... Nxd3 $1 $19 {[%mdl 512]} 28. Rxd3 {aiming for Re3.} Rxe4 {[%mdl 4096] Endgame KQR-KQR} 29. Qf3 (29. Qd2 $142) 29... Re1+ 30. Kf2 Rb1 {[%csl Gb1][%cal Re7e1]} 31. Re3 Rxb2+ 32. Kg3 (32. Kf1 $142 Rb1+ 33. Ke2) 32... Qg5+ 33. Kh3 Kb8 {...Rf2! is the strong threat.} 34. a4 {[#]} (34. Qe4 $142 Rxg2 35. Rg3 Rxg3+ 36. hxg3) 34... Ka7 (34... Rf2 $142 $1 {[%mdl 512]} 35. Re4 (35. Qxf2 Qg4#) 35... Rxf3+ 36. gxf3 Qf6) 35. Qg3 Qf5+ 36. Kh4 Ra2 {Precision: White = 19%, Black = 57%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.22"]
[White "Hurtado Bahamonde, Rodrigo"]
[Black "Rodriguez Farias, Eduardo"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2172"]
[BlackElo "1935"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,45,5,18,13,15,20,19,16,26,29,31,16,16,18,28,12,16,0,12,17,21,21,34,3,5,11]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 Nf6 {[%cal Bg8f6,Bf6d5,Bd5c7,Bc7e6,Be6d4][%mdl 32]} 6. e5 Nd5 7. Nc3 Nc7 8. Bxc6 dxc6 9. d3 Bg4 10. h3 Bxf3 11. Qxf3 O-O {LiveBook: 8 Games} 12. Ne4 {B31: Sicilian: 2...Nc6 3 Bb5 g6} (12. h4 Ne6 13. h5 Nd4 14. Qd1 Qd7 15. Ne4 b6 16. h6 Bxe5 17. Nxc5 Qd5 18. Ne4 c5 19. Bg5 Rfe8 {½-½ (91) Laznicka,V (2525)-Bryzgalin,K (2474) playchess.com INT 2006}) 12... Ne6 13. Ng5 Nd4 14. Qd1 $1 h6 $146 ({Predecessor:} 14... f6 15. Ne4 b6 16. exf6 exf6 17. c3 Nf5 18. Bf4 Kh8 19. Qe2 Re8 {½-½ (31) Miranda,R (2175)-Fiorito,F (2392) Buenos Aires 2017}) 15. Nf3 Qd5 16. Nxd4 cxd4 17. Bf4 c5 18. Qd2 Kh7 19. Re4 Rac8 20. b3 Rc6 21. a4 b6 22. Rae1 a6 23. Ra1 {Precision: White = 54%, Black = 67%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.23"]
[White "Dotta, Gian Franco"]
[Black "Sarquis, Maria Belen"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1896"]
[BlackElo "2164"]
[Annotator "RC"]
[PlyCount "72"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. Nc3 Qc7 7. O-O b5 8. a4 b4 9. Na2 d5 10. Re1 dxe4 11. Bxe4 Nxe4 12. Rxe4 Be7 13. Bf4 Qb6 14. Qe2 g6 15. Bh6 Bd7 16. Rd1 a5 17. Nc1 Na6 18. Ncb3 Rc8 19. Re5 Nc5 20. Nxc5 Bxc5 21. Nb3 Be7 22. Rxa5 Bc6 23. Ra6 Qb8 24. Qe3 Qb7 25. Qd4 e5 26. Qxe5 f6 27. Qe6 Qxa6 28. Nc5 Qa8 29. Re1 Rc7 30. Qxf6 Rg8 31. Bg5 Be4 32. Qe6 Qd5 33. Rxe4 Qxe6 34. Nxe6 Rxc2 35. Nd4 Rxb2 36. Rxe7+ Kf8 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.24"]
[White "Larrea, Manuel"]
[Black "Malan, Lucia"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2269"]
[BlackElo "1851"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,43,99,82,89,99,138,95,99,93,105,100,115,94,199,184,350,350,502,456,616,615,729,729]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 h6 9. Ne4 {C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines} Nd5 10. O-O Be7 11. Ng3 O-O 12. Bf5 {LiveBook: 8 Games} c5 13. d3 (13. Nc3 Nxc3 14. dxc3 Qxd1 15. Rxd1 Bb7 16. Rd7 Rfe8 {1-0 (32) Wang,H (2690)-Fang,Y (2498) China 2017}) 13... Bb7 14. Qg4 $146 {[#] Black must now prevent Bxh6.} ({Predecessor:} 14. Nc3 Nf4 15. Be4 f5 16. Bxb7 Nxb7 {1-0 (31) Rej,T (2334)-Andreassen,M (1968) Copenhagen 2010}) 14... Nf6 15. Qh3 Nc6 16. c3 Re8 17. Nd2 {[%cal Bb1d2,Bd2e4,Be4f6][%mdl 32]} Nh7 (17... Bf8 $16 {might work better.}) 18. Nde4 $18 Bf8 $2 {[#]} (18... Ng5 {was worth a try.} 19. Bxg5 Bxg5 20. Nxc5 Bc8) 19. Bxh6 $1 {[%mdl 512]} gxh6 (19... g6 $142 20. Bxf8 Rxf8 21. Nxc5 Qe7) 20. Bxh7+ {White is clearly winning.} Kxh7 21. Qf5+ Kh8 22. Nf6 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.25"]
[White "Arcos Facio, Mateo"]
[Black "Schnaider, Ilan"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2107"]
[BlackElo "1825"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,91,-22,-25,38,23,-15,0,-65,121,0,0,0,0,0,29,18,25,25,38,0,56,72,58,77,135,17,26,19,21,5,172,168,154,162,158,164,161,135,229,231,232,227,212,222,220,201,292,187,301,232,228,220,322,237,240,0,289,281,262,258,416,220,400,398,398,401,389,389,414,387,402,387,409,400,468,460,695,680,1170,1194,924,979,1583,1475]} 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Bc5 5. e5 (5. O-O O-O 6. e5 d5 7. Bb3 Ne4 8. c3 Bb6 9. cxd4 Bg4 10. Nc3 c6 11. h3 Bh5 12. Be3 Kh8 13. g4 {½-½ (46) Kosteniuk,A (2557)-Stefanova,A (2500) Huaian 2017}) 5... d5 $1 {[%cal Rd5c4]} 6. exf6 {And now Qe2+ would win. C24: Bishop's Opening: 2...Nf6} dxc4 7. fxg7 Rg8 $1 8. Bg5 ({White should play} 8. Qe2+ $11 Qe7 9. Qxe7+ Kxe7 10. Bh6) 8... Qd6 $2 (8... Be7 $15 {stays ahead.} 9. Qe2 Nc6) 9. Nbd2 $146 (9. O-O $16) ({Predecessor:} 9. O-O Rxg7 10. Re1+ Be6 11. Na3 Bxa3 12. bxa3 Nc6 13. Bf6 Rg6 14. Bxd4 O-O-O 15. Bb2 Qf4 16. Qe2 Bd5 17. Kh1 Rxg2 {0-1 (17) Meisch,T (1776)-Biryukov,A (1867) Luxembourg 2015}) 9... Qe6+ $11 10. Qe2 Qxe2+ 11. Kxe2 d3+ 12. cxd3 cxd3+ 13. Kxd3 {aiming for Rhe1+.} Rxg7 14. Rac1 Bb6 ({Better is} 14... Bxf2 $11 15. Rxc7 Nc6) 15. Ne4 $14 Bf5 {Strongly threatening ...h6.} 16. g4 $1 {[%cal Rg4f5]} Bg6 (16... Bxe4+ $142 17. Kxe4 Rg6) 17. Kc4 ({White should try} 17. Rhe1 $16) 17... Bxe4 $11 18. Rhe1 Rg6 {...Rc6+ is the strong threat.} 19. Rxe4+ $40 {[%mdl 128] White has some attack.} Re6 $2 (19... Kf8 $1 $11 {and Black stays safe.}) 20. Rce1 Nc6 21. Rxe6+ fxe6 22. Rxe6+ Kf7 {[#]} 23. Re2 $1 Kg7 {[#]} (23... Na5+ $16 24. Kc3 Nc6) 24. Nh4 $1 $18 Kf7 25. Nf5 Na5+ 26. Kc3 Nc6 27. f4 Bc5 (27... Re8 $142 28. Rxe8 Kxe8) 28. Nh6+ Kg7 (28... Kf8 {might work better.} 29. Kc4 Be7 30. Bxe7+ Nxe7) 29. Re6 Bd4+ 30. Kc2 Bc5 (30... Kf8 $142 31. Nf5 Bh8) 31. Nf5+ Kg8 32. Nh6+ Kg7 $1 {Hoping for ...Nd4+.} 33. Bf6+ Kf8 34. Kd3 Nd8 $2 (34... Bd6 {was necessary.} 35. Bc3 Nb4+ 36. Kc4 Nxa2) 35. Re2 (35. Re5 $142 Nf7 36. Rxc5 Nxh6 37. Rxc7 Nxg4 38. Bd4 (38. Rxh7 Nxf6 39. Rxb7 a6 $11)) 35... Nf7 $2 (35... Nc6 36. Nf5 Kf7) 36. Nf5 Bd6 37. Nxd6 Nxd6 {[%mdl 4096] Endgame KRB-KRN} 38. Re7 Ne8 39. Bh4 Rd8+ 40. Ke3 Rd1 41. Rxh7 Rb1 42. b3 {White is clearly winning.} Rb2 (42... Rg1 $142 43. g5 Kg8) 43. g5 Ng7 44. g6 {[%cal Rh7h8]} Nf5+ 45. Ke4 Nd6+ 46. Kf3 {Accuracy: White = 44%, Black = 45%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.26"]
[White "Soto, Nicolas"]
[Black "Ortiz, Jorge"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1982"]
[BlackElo "1809"]
[Annotator "NA RC"]
[PlyCount "58"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. h3 c6 7. a4 a5 8. O-O e5 9. dxe5 dxe5 10. Qxd8 Rxd8 11. Bc4 Re8 12. Ng5 Rf8 13. Rd1 Nbd7 14. Be3 h6 15. Nf3 Re8 16. Nd2 b6 17. Nb3 Ba6 18. Bxa6 Rxa6 19. Rd6 Rc8 20. Rad1 Ra7 21. f3 Bf8 22. R6d2 Kg7 23. Ne2 Rb7 24. Ra1 Nb8 25. Rad1 Nbd7 26. g4 Be7 27. Kf2 Nf8 28. Nec1 N6d7 29. Ne2 Nf6 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.27"]
[White "Gomez Troccoli, Martin"]
[Black "Visillac, Alejandro"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "1976"]
[BlackElo "1803"]
[Annotator "NA"]
[PlyCount "154"]
[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. Bd3 c5 6. c3 Nc6 7. Ne2 Qb6 8. Nf3 cxd4 9. cxd4 Bb4+ 10. Bd2 O-O 11. O-O {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} f6 12. Bxb4 Nxb4 13. exf6 Nxf6 14. Ne5 $146 ({Predecessor:} 14. Bb1 Bd7 15. Qd2 Rac8 16. Nc3 Be8 17. Re1 Bf7 18. Na4 Qd6 19. Nc5 b6 20. Nd3 Nc6 {½-½ (96) Nuber,K (2270)-Heika,M (2399) Bayern 2013}) 14... Nxd3 15. Qxd3 Bd7 16. Nc3 Rac8 17. b3 Qa5 18. Rac1 Rc7 19. Qh3 Bc8 20. Qe3 Nd7 21. b4 Qb6 22. Nd3 Rc4 23. Ne2 Nf6 24. a3 Bd7 25. Rxc4 dxc4 26. Nc5 Qc6 27. Re1 Ng4 28. Qg3 Nxf2 29. Nf4 $11 e5 30. Rxe5 Ng4 31. Nxd7 Qxd7 32. Rd5 Qc7 33. Qxg4 Qxf4 34. Qxf4 Rxf4 35. g3 Re4 36. Kf2 c3 37. Rc5 Rxd4 38. Ke3 Rd7 39. Rxc3 Kf7 40. Ke4 Ke6 41. h4 Re7 42. Rd3 Rc7 43. g4 Rc4+ 44. Rd4 Rc3 45. a4 Rg3 46. Kf4 Ra3 47. a5 Rc3 48. h5 Rc7 49. g5 Rf7+ 50. Kg4 Rc7 51. Re4+ Kd5 52. Re1 Rf7 53. g6 hxg6 54. hxg6 Rc7 55. Kf5 Kd6 56. Re8 Rc4 57. Rd8+ Ke7 58. Rg8 Rxb4 59. Rxg7+ Kf8 60. Rc7 Rb1 61. Rc8+ Kg7 62. Rc7+ Kf8 63. Kf6 Rf1+ 64. Kg5 Rg1+ 65. Kf5 Rf1+ 66. Ke6 Re1+ 67. Kf6 Rf1+ 68. Ke5 Re1+ 69. Kd4 Rd1+ 70. Ke4 Re1+ 71. Kf4 Rf1+ 72. Ke3 Rb1 73. Kd3 Rb5 74. Kc4 Rxa5 75. g7+ Kg8 76. Rxb7 Rg5 77. Rxa7 Rxg7 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.28"]
[White "Siddeley, Hugh"]
[Black "Alvarez Ramirez, Miguel Angel"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1968"]
[BlackElo "2282"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,97,26,28,27,27,44,44,42,45,58,45,56,53,67,73,75,84,83,58,104,81,100,79,107,101,90,77,97,92,88,51,95,62,84,74,79,87,96,97,71,30,68,60,80,70,77,75,63,73,67,60,62,50,115,100,146,151,172,182,203,203,218,222,249,259,252,146,147,0,955,955,955,955,1173,1173,1326,1244,29943,29945,29977,29978,29987,29988,29988,29989,29992,29991]} 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 Nc6 {E90: King's Indian: Classical: Early deviations and 6 h3} 8. Qd1 (8. Be3 e5 9. d5 Nd4 10. Qd1 O-O 11. Be2 c5 12. dxc6 bxc6 13. Bxd4 exd4 14. Qxd4 Nd5 15. Qd2 Nxc3 16. bxc3 {1-0 (37) Swayams,M (2439)-Kulkarni,V (2322) Pune 2015}) 8... O-O 9. d5 $146 ({Predecessor:} 9. Be3 Ne8 10. Qd2 e5 11. d5 Ne7 12. g4 f5 13. f3 f4 14. Bf2 Nc8 15. h4 {1-0 (38) Thomas,A (1896)-Dieuleveut,F (1699) Montbeliard 2014}) 9... Ne5 {White is slightly better.} 10. Be2 c6 11. O-O cxd5 12. exd5 Qb6 13. Rb1 Rac8 14. b3 a6 15. a4 h6 16. Re1 Kh7 17. Bf1 e6 18. dxe6 fxe6 19. Be3 Qd8 20. Bd4 Nh5 21. Re3 Qh4 22. Re4 Rf4 23. Rxf4 Qxf4 24. Be3 Qf8 25. Ne4 Rd8 26. Nd2 Nf4 27. g3 Nh5 $1 28. Bg2 $36 {[%mdl 2048] White has some pressure.} d5 29. cxd5 exd5 30. Bb6 Rd7 31. Qc2 Nf6 32. Re1 Ne4 (32... Nc6 $14) 33. Nxe4 $16 {[#] Nc5 is the strong threat.} dxe4 34. Qxe4 Qd6 35. a5 Re7 36. Qb1 Qb4 {[#] And now ...Nf3+! would win.} 37. Rd1 Nc6 38. Bxc6 bxc6 39. Qd3 ({Better is} 39. Kg2 $18) 39... c5 40. Qxa6 ({White should try} 40. h4 $16) 40... Re1+ $2 {[%mdl 8192]} (40... Qxb3 $11 41. Rd2 c4) 41. Rxe1 $18 Qxe1+ 42. Qf1 Qb4 43. Qc4 Qe1+ 44. Kg2 Bd4 45. Qf7+ {White mates.} Kh8 46. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} Bxf2 47. Qxf2 Qe4+ 48. Kh2 Qa8 49. a7 {Precision: White = 53%, Black = 32%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.29"]
[White "Araque, Jairo"]
[Black "De Haro, Martim Afonso Palma"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1961"]
[BlackElo "1790"]
[Annotator "NA RC"]
[PlyCount "77"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 Qb6 5. Nc3 a6 6. a3 Nc6 7. h3 h6 8. Be2 Bf5 9. Rb1 cxd4 10. exd4 e6 11. O-O Be7 12. b4 Ne4 13. Na4 Qa7 14. Rb3 Rc8 15. Nc5 O-O 16. c3 Rfd8 17. g4 Bh7 18. h4 Bd6 19. Bxd6 Nxd6 20. g5 hxg5 21. Nxg5 Bf5 22. Bg4 b6 23. Nd3 Qe7 24. Re1 Qf6 25. Bxf5 Qxf5 26. Re3 Re8 27. Qe2 f6 28. Nh3 Nc4 29. Rg3 e5 30. dxe5 N6xe5 31. Nxe5 Rxe5 32. Qg4 Qxg4 33. Rxg4 Re4 34. Rxe4 dxe4 35. Nf4 Nd2 36. Rb2 Nf3+ 37. Kg2 Rxc3 38. Nd5 b5 39. Nxc3 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.30"]
[White "Muzzi, Eduardo"]
[Black "Martinez, Carlos Alejandro"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "1954"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,99,-10,-40,-1,-36,-25,-15,-32,-54,-56,-57,0,-24,15,27,60,70,363,359,339,94,80,0,129,0,41,35,38,49,38,-18,-28,-23,-15,-31,-20,-22,-33,-54,155,33,39,23,236,235,235,236,229,235,302,343,320,267,293,262,239,104,110,0,0,0,0,0,0,0,1730,1479,448,0,0,0,-8,-422,-400,-339,-8,-444,-432,-398,-250,-492,29999,-652,0,-378]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 h6 7. Bxe7 Qxe7 8. Qg4 O-O {C14: French: Classical System: 4 Bg5 Be7 main line} 9. Nf3 {LiveBook: 8 Games} (9. f4 a6 10. Nf3 c5 11. O-O-O Nc6 12. Rh3 cxd4 13. Nxd4 Nxd4 14. Rxd4 f6 15. exf6 Qxf6 16. Qd1 {½-½ (61) Amonatov,F (2614)-Levin,E (2516) St Petersburg 2018}) 9... a6 10. O-O-O c5 $1 {Black is slightly better.} 11. dxc5 Nc6 12. Qf4 Qxc5 $146 ({Predecessor:} 12... Nxc5 13. Qe3 b5 14. g4 b4 15. Ne2 Ne4 16. Nf4 {0-1 (40) Schnegg,D (2092)-Mittermayr,G (2178) Jenbach 2009}) 13. Bd3 Nb4 (13... Qxf2 $15 14. Rhf1 Qa7) 14. Nd4 Nxd3+ 15. Rxd3 Qc7 16. Re1 b5 $2 {[%mdl 8192]} ({Black should try} 16... Nb6 $14) 17. Rg3 $18 Kh7 {[#]} 18. Qg4 $2 (18. Nxd5 $1 $18 {[%mdl 512] and the rest is easy.} Qa5 (18... exd5 19. Rxg7+) 19. Rd1) 18... Rg8 $16 19. Nf3 (19. Ne4 $1 $16 {[%cal Re4g5]} dxe4 20. Qxe4+ g6 21. Qxa8) 19... g6 (19... Kh8 $11) 20. Qf4 (20. h5 $1 $16 {[%cal Rh5g6]} g5 21. Nxd5 $1 {[%mdl 512]} exd5 22. Qf5+ Kh8 23. e6 Qf4+ 24. Qxf4 gxf4 25. Rxg8+ Kxg8 26. e7 (26. exd7 Bxd7 27. Rd1 Be6 $16)) 20... Nc5 21. Qf6 {Intending Ng5+! and mate.} Rg7 $1 {Black wants to play ...b4.} 22. h5 g5 $1 23. Rxg5 (23. a3 $1 $14) 23... hxg5 $11 24. h6 {[%csl Gh6][%cal Rf6g7]} Rg6 25. Nxg5+ {[#]} Rxg5 $1 26. Qxg5 {[%csl Gh6][%cal Rg5g7]} f6 27. Qxf6 d4 $2 {[#]} (27... Bb7 $15 {keeps the upper hand.} 28. Kb1 d4) 28. Ne4 (28. Re4 $1 $16 {[%cal Re4g4][%mdl 512]} Bb7 (28... Nxe4 29. Nxe4) 29. Rxd4) 28... Nxe4 $14 (28... Nd3+ $2 29. Kd2 $18) 29. Rxe4 $40 {[%mdl 128] Rg4 would kill now. White is up to no good.} d3 $2 (29... Bb7 $1 $11 30. Rg4 (30. Rxd4 Bd5 $14) 30... Rg8 31. Rxg8 (31. Qxe6 Rxg4 32. Qxg4 Qxe5 $17) 31... Kxg8) 30. c3 $1 $18 {White wants to mate with Rg4.} Bb7 31. Rg4 {White threatens Rg7+ and mate.} Rg8 32. Rxg8 ({Worse is} 32. Qxe6 Rxg4 33. Qxg4 Qxe5 $17) 32... Kxg8 33. Qxe6+ Kh7 34. Qf6 {Hoping for e6.} d2+ 35. Kxd2 Qd7+ {[#]} 36. Kc1 (36. Ke3 $1 $18 {is more deadly.} Bd5 37. f3 (37. Qxa6 Qf5 $18)) 36... Bd5 $16 37. f4 (37. b3 $16) 37... Bxa2 $11 38. f5 {[%cal Bf4f5,Bf5f6][%mdl 32]} Bb3 {[%csl Gb3][%cal Rd7d1]} 39. Qg6+ Kh8 {[%csl Gb3][%cal Rd7d1]} 40. Qg4 {aiming for e6.} Qe7 $2 {[%mdl 8192]} (40... Qh7 $11 41. Kd2 Qxh6+ 42. Kd3 Qh7) 41. f6 $18 Qf7 {[#]} 42. Qd4 $2 (42. Qg7+ $1 $18 Qxg7 43. hxg7+ Kh7 44. Kd2) 42... Qg6 $11 {[%csl Gb3][%cal Rg6c2]} 43. Qd8+ Kh7 {[%csl Gb3][%cal Rg6c2]} 44. Qd2 $2 {[%mdl 8192]} (44. Qd7+ $1 $11 Kxh6 45. Qh3+ Qh5 46. Qxh5+ Kxh5 47. Kd2) 44... Qf5 $19 {( -> ...Qf1+)} 45. Qe2 {If White can now play Kd2 this consolidates a bit.} Kxh6 $2 (45... Qg5+ $19 46. Kb1 Qxh6) 46. g4 $2 {[%mdl 8192]} (46. Kd2 $1 $11) 46... Qf4+ 47. Kb1 Qa4 {...Qa2+ is the strong threat.} 48. Qh2+ $2 (48. Qf3 Kg5 49. f7 Qa2+ 50. Kc1 Bxf7 51. Qe3+ Kxg4 52. Qe4+ Kg5 53. Qe3+ Kf5 54. Qf2+ Kxe5 55. Qd4+ Kf5 56. Qf2+ Kg6 57. Qg3+ Kf5 58. Qf2+ Kg6 59. Qg3+ Kf6 60. Qf2+ Ke7 61. Qc5+ Kd7 62. Qa7+ Kc8 63. Qa8+ Kd7 64. Qa7+ Kc6 65. Qa8+ Kc7 66. Qa7+ Kd8 67. Qb8+ Ke7 68. Qa7+ Ke8 69. Qb8+ Ke7 70. Qa7+ Kd6 71. Qb8+ Ke7) 48... Kg6 $4 {[%mdl 8192]} (48... Kg5 $19 49. Qh5+ Kf4 50. Qf5+ Ke3) 49. Qe2 $4 {[%mdl 8192]} (49. Qh5#) 49... Kh6 $2 (49... Qa2+ $19 50. Kc1 Qa1+ 51. Kd2 Qxb2+ 52. Ke3 Qxe2+ 53. Kxe2 a5) 50. Qe1 $2 {[%mdl 40960] Precision: White = 25%, Black = 31%. . An unexpected result.} (50. Qd2+ $11 {and White is okay.} Kg6 51. Qd4 (51. Qd3+ $2 Kg5 $19)) 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.31"]
[White "Chamlian, Aram"]
[Black "Moccero, Eduardo"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1739"]
[BlackElo "1950"]
[Annotator "NA RC"]
[PlyCount "61"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 Nc6 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 g6 5. O-O Bg7 6. d4 O-O 7. h3 Nxe4 8. Nxe4 d5 9. Bxd5 Qxd5 10. Nc3 Qd8 11. Be3 Bf5 12. Ne2 Re8 13. Ng3 Be6 14. Qd2 Qd7 15. c3 Rad8 16. Rfe1 Bd5 17. Qe2 e5 18. dxe5 Nxe5 19. Nxe5 Bxe5 20. c4 Bc6 21. Rad1 Qe6 22. Bg5 Rxd1 23. Rxd1 Bxg3 24. Qxe6 Bxf2+ 25. Kxf2 Rxe6 26. Rd8+ Kg7 27. Rc8 h6 28. Bf4 Re4 29. Bxc7 Kf6 30. b3 Rd4 31. Rd8 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.12"]
[Round "5.32"]
[White "Suarez, Pedro"]
[Black "Reolon, Victor"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1950"]
[BlackElo "1714"]
[Annotator "NA RC"]
[PlyCount "61"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 f5 2. Nc3 d5 3. Bf4 Nf6 4. e3 c6 5. Bd3 e6 6. Nf3 Be7 7. h4 Nbd7 8. a4 Nf8 9. h5 Ng4 10. Ne5 Nxe5 11. Bxe5 Bf6 12. f4 Qe7 13. Qf3 Nd7 14. g4 Bxe5 15. fxe5 O-O 16. gxf5 exf5 17. O-O-O Nb6 18. Rdg1 Nc4 19. Qg3 Rf7 20. Ne2 Qb4 21. Bxc4 dxc4 22. h6 f4 23. Nxf4 Bf5 24. e6 Re7 25. Nh5 g6 26. Qe5 c3 27. Qxf5 cxb2+ 28. Kb1 Qe1+ 29. Rxe1 gxf5 30. Rhg1+ Kh8 31. Nf4 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.1"]
[White "Rodriguez Vila, Andres"]
[Black "Hernandez Guerrero, Gilberto"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2486"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,99,23,20,97,95,113,43,52,13,39,30,39,32,27,-7,0,0,0,0,0,0,0,-10,0,-12,13,0,0,0,0,9,10,0,26,10,17,21,20,0,18,0,0,0,15,-10,29,14,26,15,38,32,91,0,57,42,51,38,42,42,32,32,36,31,46,31,22,26,37,-10,89,0,0,0,0,0,69,70,69,69,69,55,72,26,75,71,57,26,411,406]} 1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. g3 d6 5. Bg2 Nf6 6. d4 cxd4 7. Nxd4 Qc7 {[#] B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} (7... Be7 $11) (7... Be7 8. Nxc6 bxc6 9. e5 dxe5 10. Qxd8+ Kxd8 11. Bxc6 Rb8 12. O-O Bb7 13. Bg2 Bxg2 14. Kxg2 Nd7 15. Rd1 f5 {0-1 (57) Oleksienko,M (2604)-Demchenko,A (2664) Konya 2018}) 8. Ndb5 $1 $16 {[%cal Rb5c7]} Qb8 {[#]} 9. a4 (9. Bf4 $1 $16 e5 10. Bg5) 9... a6 $146 {White is slightly better.} ({Predecessor:} 9... Be7) 10. Nd4 (10. Na3 {feels hotter.} d5 11. exd5 Qe5+ 12. Qe2 Qxe2+ 13. Nxe2 exd5 14. Bg5) 10... Bd7 11. O-O Be7 12. a5 Qc7 13. Nb3 Ne5 14. f4 Nc4 15. Qe2 e5 16. f5 h6 17. Kh1 Rc8 18. Rd1 Bd8 19. Bf3 Be7 20. Qf1 b5 21. axb6 $1 Qxb6 22. g4 (22. Be2 {seems wilder.} Bb5 23. Qg2 O-O 24. Bf3 Rfd8 25. g4) 22... Bb5 (22... a5 {looks sharper.} 23. Rd3 Qb4 24. Ra2 a4 25. Nd2 O-O) 23. Qg1 Qxg1+ 24. Rxg1 Bd8 25. Rg3 Bb6 26. Rh3 Kd7 27. Be2 Rb8 28. Ra2 Rhc8 29. g5 hxg5 30. Bxg5 Bd8 31. Rg3 Rb7 ({Black should play} 31... Ke8 $14) 32. Bc1 (32. Nc1 $16) 32... Ne8 (32... d5 $11) 33. Bd3 Bh4 34. Rg2 Be1 35. Nxb5 axb5 36. Bg5 f6 37. Bc1 Rcc7 38. Re2 Bh4 39. Kg2 Bg5 40. Re1 Bh4 (40... Ra7 $11 41. Rxa7 Rxa7) 41. Rf1 (41. Rg1 $16) 41... Ra7 $11 42. Rxa7 Rxa7 43. Kf3 Ra2 (43... Bg5 $11) 44. Kg4 $14 Bg5 $1 45. Bxg5 fxg5 46. Kxg5 Ke7 47. Kg6 Nxb2 48. Bxb5 Nf6 49. Rb1 {Strongly threatening Nc1.} ({But not} 49. Kxg7 $6 Ra8 $11) 49... Nxe4 $2 {[%mdl 8192]} (49... Na4 $1 $11 {and Black stays safe.} 50. Bd3 Nc3 {[%mdl 64] Double Attack}) 50. Nc1 {Accuracy: White = 41%, Black = 45%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.2"]
[White "Felgaer, Ruben"]
[Black "Fiora, Emilio"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2562"]
[BlackElo "2190"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,131,33,38,28,37,32,43,38,54,42,57,48,369,371,354,356,615,611,845,853,939,976,962,625,952,624,623,628,625,-77,-90,-120,-28,-133,-126,-183,-187,-175,-162,-216,-206,-229,-225,-259,-207,-208,-144,-191,-137,-126,-126,-126,-126,-127,-132,-126,-126,-172,-121,-114,-117,-145,-139,-135,-97,-93,-30,-31,-32,-35,226,255,255,249,239,227,249,213,262,254,234,222,306,294,313,302,374,366,379,370,436,442,501,495,483,484,650,651,647,534,517,514,592,570,673,648,718,708,777,777,789,783,732,746,4120,4122,4114,4114,4106,4106]} 1. c4 f5 2. Nc3 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. d3 Qe8 {LiveBook: 17 Games} 8. e3 {A10: English Opening: Unusual Replies for Black} (8. e4 fxe4 9. dxe4 e5 10. c5 Kh8 11. Bg5 Na6 12. Bxf6 Rxf6 13. Nd5 Rh6 14. cxd6 Bxd6 15. Ne3 Rf6 16. Nf5 {½-½ (41) Edouard,R (2657)-Narciso Dublan,M (2521) Barcelona 2013}) 8... Nc6 9. Rb1 Qh5 $146 ({Predecessor:} 9... a5 10. a3 Qh5 11. Nd4 Ng4 12. h3 Bd7 13. hxg4 fxg4 14. Nxc6 Bxc6 15. e4 Rf6 {1-0 (26) Alm,H (2268)-Oskarsson,B Sweden 2011}) 10. b4 {[%cal Bb2b4,Bb4b5,Bb5c6][%mdl 32] White is slightly better.} e5 11. Nd2 Qh6 12. Nd5 {aiming for b5.} f4 $2 {[%mdl 8192]} (12... Ng4 $2 13. h3 $18) (12... Bd8 $14) 13. b5 $18 fxg3 14. fxg3 Ng4 $2 (14... Nxd5 15. Bxd5+ Be6 16. Rxf8+ (16. bxc6 Bxd5 17. cxd5 Qxe3+ 18. Kh1 bxc6 $18) 16... Bxf8) 15. h3 Nxe3 16. bxc6 Bxh3 17. Nxe7+ Kh8 18. Rxf8+ Rxf8 19. Nf5 Bxf5 20. Qf3 Nxg2 21. Nf1 $2 ({Only move:} 21. cxb7 $18 Ne1 22. Qf2) 21... Qf6 $1 $17 {Strongly threatening ...Ne1.} (21... Ne1 $2 22. Qxf5 Rxf5 23. Bxh6 $18) 22. Bd2 bxc6 ({Better is} 22... b6 $1 $17 23. Qxg2 Bxd3) 23. Qxg2 (23. Rb3 $11 {keeps the balance.}) 23... Bxd3 24. Re1 (24. Rc1 $17) 24... Bxc4 $19 25. Ne3 Bb5 ({Stronger than} 25... Bxa2 26. Rf1 $11) 26. Ng4 (26. Ba5 {keeps fighting.}) 26... Qg6 27. Nf2 Qc2 28. Ba5 Rf7 29. Ne4 Qd3 30. Ng5 Qd4+ (30... Rf5 $19 31. Nh3 h6) 31. Kh1 $17 Rf6 32. Qh3 {[%csl Gg5][%cal Rh3h7]} Qd5+ 33. Kg1 {[%csl Gg5][%cal Rh3h7]} h6 34. Qc8+ Qg8 35. Qxg8+ Kxg8 36. Ne4 {[#]} Rf7 $1 37. Nc3 Bd3 38. Re3 Bc4 39. Re4 Bd5 ({Black should play} 39... Bf1 $17 {White must now prevent ...Bd3.} 40. Rb4 Bd3) 40. Rb4 $1 $11 Rf3 41. Nxd5 Rxg3+ $2 {[%mdl 8192] [#]} (41... cxd5 $15 42. Bxc7 Rxg3+ 43. Kf2 Rg6) 42. Kf2 $1 $18 {[%cal Rf2g3]} Ra3 43. Ne7+ Kf7 44. Nxc6 Rxa2+ 45. Kf3 Ke6 46. Rb7 Ra3+ 47. Kf2 Kd5 48. Rxc7 g5 49. Bb4 Ra6 50. Ne7+ Ke6 51. Nc8 Ra2+ 52. Kf3 {White is clearly winning.} g4+ 53. Kg3 d5 54. Re7+ Kf6 55. Bd6 Re2 56. Kxg4 d4 57. Kf3 d3 58. Bb4 Rc2 59. Nxa7 Rb2 60. Bc5 Re2 61. Nb5 Rc2 62. Bd6 Rc6 63. Rc7 ({Not} 63. Rxe5 Rxd6 64. Re1 (64. Nxd6 Kxe5 65. Ne4 h5 $11) 64... d2 $11) 63... Rb6 64. Rc5 e4+ 65. Ke3 Ra6 66. Bf4 {Precision: White = 69%, Black = 32%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.3"]
[White "Ricardi, Pablo"]
[Black "Tristan, Leonardo"]
[Result "0-1"]
[ECO "C96"]
[WhiteElo "2479"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "168"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,168,27,27,24,28,27,14,32,20,28,-37,-36,-63,-66,-66,-47,-108,-52,-183,-97,-76,-65,-154,-135,-231,-226,-266,-266,-296,-327,-322,-121,-136,0,-325,-328,-305,-24,-27,0,-312,-300,-346,-348,-293,-285,-423,-448,-445,-416,-609,-609,-963,-971,-910,-898,-943,-878,-1317,-692,-659,-663,-996,-1006,-903,-541,-656,-268,-266,-201,-199,-196,-412,-408,-447,-447,-599,-567,-828,-826,-823,-822,-821,-819,-814,-811,-811,-811,-811,-811,-804,-804,-797,-791,-772,-757,-887,-877,-1545,-1328,-29958,-29961,-29961,-29962,-29960,-29962,-29959,-29962,-29958,-29958,-29942,-29949,-12621,-11468,-11049,-9442,-6406,-4450,-5157,-5106,-29976,-29977,-29977,-29974,-29974,-29975,-29975,-29976,-29976,-29977,-29977,-29977,-29978,-29979,-29979,-29980,-29981,-29982,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29990]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 12. a4 b4 {C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other than 11...Qc7} 13. d5 (13. Nbd2 Rb8 14. Nf1 b3 15. Bd3 exd4 16. cxd4 c4 17. Be2 c3 18. Ng3 Nf6 19. Bd3 Nc6 20. d5 {0-1 (37) Quesada Perez,Y (2627)-Caruana,F (2811) chess.com INT 2018}) 13... Rb8 14. Nbd2 c4 {The position is equal.} 15. cxb4 Rxb4 {[#]} 16. Nf1 $146 (16. b3 $1 $11) ({Predecessor:} 16. Ra3 Nc5 17. Nf1 Nab3 18. Be3 a5 19. N1d2 Ba6 20. Bxb3 cxb3 21. Bxc5 dxc5 22. Nxe5 {1-0 (59) Lopez Martinez,J (2557)-Candela Perez,J (2411) Villava 2009}) 16... Nc5 $15 17. Ra2 Nab3 18. Be3 a5 19. N3d2 ({White should try} 19. N1d2 $15) 19... Ba6 (19... Nd4 $17 20. Nf3 Nxc2 21. Qxc2 Nd3) 20. Nb1 (20. Bxb3 $15 Nxb3 21. Ng3) 20... Nxa4 (20... Bg5 $19 21. Nbd2 Bxe3 22. Nxe3 Qb6) 21. Nc3 Nac5 22. Ng3 (22. Bxb3 $15 Nxb3 23. Nd2) 22... g6 23. Kh2 (23. Bxb3 $17 {was necessary.} Nxb3 24. Bh6) 23... Nd3 $19 24. Rf1 Bg5 25. Qg4 Bxe3 26. fxe3 Nd2 $2 (26... Bc8 $19 {and Black stays clearly on top.} 27. Qd1 Ba6 28. Bxd3 cxd3) 27. Rfa1 $17 Nb3 $2 (27... Bc8 $17 28. Qe2 Nb3 29. Bxb3 Rxb3) 28. Rf1 $1 $19 Bc8 29. Qd1 Nbc1 $2 ({Black should play} 29... Qb6 $19 {White must now prevent ...Nbc5.} 30. Bxd3 cxd3) 30. Ra1 $11 Nb3 $2 $36 {[%mdl 10240] Black fights for an advantage.} (30... Rxb2 $11 31. Rxc1 Nxc1 32. Qxc1 Rb4) 31. Ra2 $19 Qb6 32. Rf3 Nbc5 33. Bxd3 Nxd3 34. Nf5 (34. Qf1 {might work better.}) 34... gxf5 35. exf5 {[#] Rg3+ would kill now.} f6 36. Ne4 (36. e4 $142) 36... Kh8 37. Ng3 Rxb2 38. Rxb2 Qxb2 39. Ne4 Rg8 {[%csl Gg8][%cal Rb2g2]} 40. Qf1 Qc1 41. Qxc1 Nxc1 42. Nxd6 Ba6 43. Ne4 Rf8 44. Rf1 Nd3 (44... Ne2 $142 45. Nc5 Bb5) 45. Ra1 Bb7 46. Rxa5 Rc8 47. Nc3 $2 (47. Rb5 {only move.} Rc7 48. Nc3) 47... Rc5 48. Rxc5 Nxc5 49. e4 Bc8 50. g4 Bd7 51. Kg3 Na4 52. Na2 c3 53. Kf2 c2 54. Ke3 Nc5 55. Kd2 Nxe4+ 56. Kxc2 Nf2 57. Nc3 Nxh3 58. Ne4 Kg7 59. Nc5 Bc8 60. d6 Nf2 61. d7 {[#]} Bxd7 $1 62. Nxd7 Nxg4 {[%mdl 4096] Endgame KN-KN} 63. Kd3 h5 64. Nc5 h4 65. Ke2 h3 66. Kf3 h2 67. Kg2 Ne3+ 68. Kxh2 Nxf5 69. Kh3 Kg6 70. Kg4 Nd4 71. Nd3 f5+ {Black mates.} 72. Kg3 Kf6 73. Nc5 Kg5 74. Kf2 Kf4 75. Nd3+ Ke4 76. Nc5+ Kd5 77. Nd7 Ne6 78. Ke3 f4+ 79. Kf3 e4+ 80. Kg4 e3 81. Nf6+ Ke5 82. Nd7+ Kd6 83. Nf6 e2 84. Ne4+ Kc7 {Accuracy: White = 30%, Black = 64%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.4"]
[White "Lopez Azambuja, Nicolas"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2320"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,68,31,0,7,0,11,-18,-12,-50,-43,-81,-81,-118,-125,-128,-61,-87,-65,-75,-84,-146,-151,-152,-142,-142,-152,-131,-135,-157,-140,-254,-251,-245,-314,-297,-231,-566,-552,-560,-558,-520,-524,-784,-463,-1381,-1348,-5393,-5493,-3438,-3040,-2625,-2699,-2416,-2316,-1689,-1662]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O g6 6. c4 Bg7 7. Nc3 c5 8. d5 exd5 {E14: Queen's Indian: Classical Variation (4 e3)} 9. cxd5 Nxd5 10. Nxd5 Bxd5 {The position is equal.} 11. e4 $146 (11. Bxg6 $5 hxg6 12. Qxd5 $11) ({Predecessor:} 11. Bxg6 hxg6 12. Qxd5 Nc6 13. e4 Rh5 14. Bg5 Nb4 15. Qd2 f6 16. Bf4 {0-1 (28) Martinez Duany,L (2484)-Cordova,E (2616) Merida 2014}) 11... Be6 12. e5 Nc6 13. Bf4 O-O 14. Re1 Rc8 (14... f6 $17 {...fxe5 is the strong threat.} 15. Be4 fxe5 16. Bxc6 dxc6 17. Qxd8 Raxd8 18. Bxe5 Rfe8) 15. Qd2 f6 16. Ba6 {[#]} fxe5 $1 {[%mdl 512]} 17. Bg5 (17. Nxe5 $142 Nxe5 18. Bxe5) 17... Qc7 18. Bxc8 Qxc8 ({Don't play} 18... Rxc8 19. Bh6 $17) 19. Bh6 {[#]} Rxf3 $1 {[%mdl 512]} 20. Bxg7 (20. gxf3 Nd4) 20... Kxg7 21. gxf3 Nd4 22. Qe3 (22. Qd3 $17 {was called for.}) 22... d6 $19 23. Rad1 Bd5 ({Less strong is} 23... Bxa2 24. Rxd4 cxd4 25. Qa3 $15) 24. Rxd4 cxd4 {[%mdl 4096] Endgame KQR-KQB} 25. Qg5 $2 (25. Qa3 {was the crucial defense.} Qd7 26. h3) 25... Bxf3 {Black is clearly winning.} 26. Rc1 Qd7 27. Kf1 h6 28. Qg3 Qf7 29. Qh3 (29. Ke1 $142 Qf5 30. Kd2) 29... d3 30. Ke1 {[#]} d2+ $1 {[%mdl 64] Decoy} 31. Kxd2 Qf4+ 32. Kc2 Qc4+ {[%mdl 64] Double Attack} 33. Kd2 {[#]} Qb4+ $1 34. Kc2 Qc5+ {Accuracy: White = 33%, Black = 81%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.5"]
[White "Mussanti, Diego"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2305"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,100,27,18,22,28,16,24,19,16,25,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,0,0,-6,0,0,52,36,47,47,74,68,77,84,91,39,49,46,83,83,271,240,239,226,280,239,397,386,359,318,293,321,316,302,304,308,264,245,241,237,224,70,70,8,8,0,22,6,6,6,6,6,8,8,11,12,36,0,0,0,0,0,0,0,0,0,0]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O Nb6 {C41: Philidor Defence} (6... O-O 7. Re1 c6 8. a4 a5 9. h3 Re8 10. Ba2 Bf8 11. Be3 Qc7 12. Ng5 Re7 13. f4 b6 14. fxe5 dxe5 15. d5 cxd5 16. exd5 {1-0 (16) Wang,H (2709)-Ivanchuk,V (2726) Huaian 2017}) 7. Bb3 exd4 $1 8. Qxd4 O-O {White has an edge.} 9. a4 a5 10. h3 Nfd7 11. Bf4 Bf6 12. Qd2 Nc5 13. Rfe1 Be6 $146 ({Predecessor:} 13... Nxb3 14. cxb3 {½-½ (62) Rogulj,B (2405)-Krstic,U (2457) Bol 2013}) 14. Bxe6 Nxe6 15. Bg3 Nc4 16. Qe2 $1 {[%cal Re2c4]} Bxc3 ({Of course not} 16... Nxb2 $6 17. e5 $16) 17. bxc3 Nb6 18. e5 d5 19. Nd4 Nxd4 20. cxd4 Re8 (20... Nc4 $11) 21. Qg4 Qc8 22. Qxc8 Raxc8 23. Reb1 $1 Re6 24. Rb5 $1 Ra8 {[#]} 25. f4 ({White should try} 25. f3 $1 $16) 25... Rc6 $14 26. Be1 Rxc2 27. Bxa5 c6 $2 (27... g6 $16) 28. Rxb6 $18 Rxa5 29. Rxb7 {[%cal Rb7b8][%mdl 4096] Endgame KRR-KRR} g6 30. Rc7 Rc4 $2 (30... Rb2 31. Rxc6 Rb4) 31. Rb1 {Rb8+ is the strong threat.} Ra8 32. Rbb7 Rf8 33. a5 Ra4 34. Rxc6 Rxa5 35. Rd6 h5 36. Rc7 h4 37. Rdd7 Ra1+ {[#]} 38. Kh2 $2 (38. Kf2 $1 $18) 38... Re1 $1 $14 39. Rc2 (39. Rxd5 $14 Rb8 40. e6 Rxe6 41. f5 gxf5 42. Rxf5) 39... Ra8 $11 40. g3 hxg3+ 41. Kxg3 {Strongly threatening Rcc7.} Ra3+ 42. Kg2 Ree3 43. Rxd5 Rg3+ 44. Kf1 Ra1+ 45. Kf2 $1 Rxh3 46. Rc8+ Kg7 {The position is equal.} 47. Rdd8 {White wants to mate with Rg8+.} Ra2+ 48. Kg1 Rg3+ 49. Kh1 {Intending Rg8+ and mate.} Rh3+ 50. Kg1 {Rg8+ would kill now.} Rg3+ {Accuracy: White = 67%, Black = 69%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.6"]
[White "Bitelmajer, Martin"]
[Black "De Dovitiis, Alejo"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2453"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,30,43,69,25,38,22,47,16,22,-12,-18,-5,0,-27,0,-2,0,0,0]} 1. d4 Nf6 2. Nf3 d6 3. c4 Bf5 4. Nc3 c6 5. g3 Nbd7 6. Bg2 e5 7. O-O h6 8. b3 {[%cal Bb2b3,Bb3b4,Bb4b5][%mdl 32] A53: Old Indian Defence without Nf3} (8. Nh4 Bh7 9. d5 e4 10. Bh1 Be7 11. Ng2 Ne5 12. Ne3 Qd7 13. b4 h5 14. dxc6 bxc6 15. b5 cxb5 16. cxb5 h4 {1-0 (50) Potkin,V (2608)-Klein,D (2517) Wijk aan Zee 2015}) 8... Be7 9. Bb2 Bh7 10. e3 $146 {White is slightly better.} ({Predecessor:} 10. c5 e4 11. cxd6 Bxd6 12. Nd2 Qe7 13. Nc4 Bb4 14. d5 Bxc3 15. d6 Qe6 16. Bxc3 {0-1 (43) Bracker,A (2263)-Gorbatov,A (2375) Pardubice 2011}) 10... O-O 11. b4 exd4 12. Qxd4 Qb6 13. b5 Rac8 14. Rfd1 Qxd4 15. Nxd4 {[%cal Rb5c6]} Ne5 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.7"]
[White "Scarella, Enrique Alejandro"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2304"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,88,40,35,37,39,48,10,15,13,9,4,8,0,0,0,0,0,0,5,11,8,8,7,5,0,0,-43,-54,-105,-98,-131,-144,-177,-17,-29,-15,-37,-37,-37,-31,-31,-33,-35,-33,-45,-45,-41,-39,-115,-26,-22,-30,-241,-237,-315,-273,-272,-270,-263,-263,-255,-255,-254,-246,-248,-250,-245,-234,-210,-158,-183,-160,-564,-145,-1305,-1138,-828,-744]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Re1 Nc6 7. d5 Nb4 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} (7... Nb8 8. c4 a5 9. Nc3 Na6 10. e4 Bg4 11. h3 Bxf3 12. Bxf3 Nd7 13. Be3 c6 14. Bg2 Nac5 15. Qe2 {0-1 (35) Paravyan,D (2634)-Andreikin,D (2719) St Petersburg 2018}) 8. e4 e5 9. dxe6 Bxe6 {The position is equal.} 10. Nc3 Re8 11. a3 $146 ({Predecessor:} 11. h3 h6 12. Be3 Nc6 13. Qd2 Kh7 14. Nd4 Bd7 15. f4 Nxd4 16. Bxd4 {½-½ (25) Pihlajasalo,H (2261)-Kononen,K (2236) Finland 2012}) 11... Nc6 12. Nd5 Bxd5 13. exd5 Rxe1+ 14. Nxe1 Ne5 15. Nd3 Nfd7 16. Nxe5 Nxe5 17. Qe2 Qe8 18. Bd2 Nd7 19. Qc4 Bxb2 20. Rb1 ({White should play} 20. Ra2 $15 Bg7 21. Qxc7) 20... Bxa3 $17 21. Rxb7 Bc5 22. Rxc7 {[#]} Rc8 $2 ({Black should try} 22... Bb6 $1 $19 23. Rc6 Ne5 {[%mdl 64] Double Attack}) 23. Rxc8 $11 Qxc8 24. Qb5 Ne5 25. Be4 h5 26. Kg2 h4 27. h3 $1 hxg3 28. f4 Nd7 29. Kxg3 Nf6 30. Bd3 (30. Bf3 $15) 30... Qd8 (30... Nxd5 $17 31. Qc4 Ne7) 31. f5 $1 Qe7 $36 {[%mdl 2048] Black has the initiative.} 32. Qc4 $2 {[#]} (32. fxg6 $11 fxg6 33. h4) 32... gxf5 $1 $19 {Strongly threatening ...Qe5+.} 33. Kf3 Qe5 {Hoping for ...Qh2.} 34. Qf4 Qxd5+ 35. Ke2 {Black must now prevent Qg5+.} Qg2+ 36. Kd1 Ne4 37. Be1 Qxh3 38. Bxe4 fxe4 39. Qxe4 Qh5+ 40. Kc1 {intending Bc3.} d5 41. Qe8+ Kg7 42. Qc6 $2 (42. Bc3+ $17 {is more resistant.} d4 43. Be1) 42... d4 $2 (42... Qh6+ $19 {and Black stays clearly on top.} 43. Qxh6+ Kxh6) 43. Bg3 $2 {[%mdl 8192]} (43. Kb2 $17) 43... Qg5+ 44. Kb1 Ba3 {Accuracy: White = 35%, Black = 55%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.8"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Muniz, Rafael"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "2426"]
[BlackElo "2250"]
[Annotator "RC"]
[PlyCount "55"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 d6 7. Qc2 Nc6 8. Bd2 e5 9. dxc5 Bxc5 10. a3 a6 11. h3 h6 12. g4 b5 13. g5 hxg5 14. Nxg5 Bb7 15. Rg1 Ne7 16. Be4 Bxe4 17. Ncxe4 Ng6 18. h4 bxc4 19. Nxf6+ gxf6 20. Ne6 Qd7 21. Nxc5 dxc5 22. h5 Qd3 23. Rc1 Rab8 24. hxg6 fxg6 25. Rxg6+ Kf7 26. Rg4 Rg8 27. Rxg8 Rxg8 28. Qxc4+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.9"]
[White "Carbone, Diego"]
[Black "Gemy, Jose Daniel"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2256"]
[BlackElo "2391"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,73,0,6,14,5,35,32,50,47,45,45,22,34,46,48,42,49,64,45,58,46,53,44,47,30,35,16,16,13,74,69,90,79,86,80,103,102,101,10,26,13,17,-31,-31,-25,9,0,0,0,125,122,117,121,115,120,128,123,482,479,29996,29997,29997,29998]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O 7. O-O dxc4 {E11: Bogo-Indian} (7... c6 8. Qc2 Nbd7 9. Bf4 b6 10. Rd1 Ba6 11. cxd5 cxd5 12. Ne5 Nxe5 13. dxe5 Ng4 14. Bf3 f5 15. exf6 Nxf6 16. Qa4 Bb7 17. Nd2 Qe8 18. Qxe8 Rfxe8 {½-½ (29) Giri,A (2783)-Ding,L (2813) Wijk aan Zee 2019}) 8. Qc2 a6 9. Qxc4 b5 {White is slightly better.} 10. Qc2 Bb7 11. Rc1 Bd6 12. a3 Be4 13. Qd1 Nbd7 14. Ba5 Rc8 15. Nbd2 Ba8 $146 16. Rc2 Qe7 17. Rac1 {[%cal Ra5c7]} c5 18. dxc5 Rxc5 19. Nb3 Rxc2 20. Qxc2 e5 (20... Be4 $11 21. Qd2 h6) 21. Nh4 $16 Bxg2 22. Nf5 $1 {[%cal Rf5e7]} Qe6 23. Kxg2 Bb8 24. Bb4 Re8 25. Na5 ({Better is} 25. Rd1 $1 $16) 25... g6 $11 26. Ne3 Ba7 27. Qd2 Ne4 28. Qd3 Ng5 (28... Qh3+ $5 29. Kxh3 Nxf2+ {[%mdl 64] Double Attack} 30. Kg2 Nxd3 31. exd3 Bxe3 $15) 29. Rc7 $36 {[%cal Bc1c7,Bc7b7,Bb7b8][%mdl 2080] White has good play.} Qh3+ $1 30. Kg1 Bd4 (30... Bxe3 $1 $11 {keeps the balance.} 31. Qxe3 h6) 31. Nc6 $16 {And now Nd5 would win.} Nc5 32. Bxc5 $1 Bxc5 {[#]} 33. b4 $1 {[%cal Rb4c5]} Bb6 {[#]} 34. Rb7 $1 {[%cal Rb7b6]} e4 $2 {[%mdl 8192]} (34... Bxe3 $16 {is a better chance.} 35. Qxe3 {[%mdl 64] Double Attack} Qe6) 35. Qc3 $18 {Ne7+ would kill now.} Bxe3 (35... Bd8 $18 36. Rb8 Qd7 37. Rxd8 (37. Nxd8 Rxd8 38. Rxd8+ Qxd8 $16) 37... Rxd8) 36. Ne7+ {[%mdl 64] Overworked Piece} ({Less strong is} 36. Qxe3 h6 $16) 36... Rxe7 37. Rb8+ {Accuracy: White = 59%, Black = 56%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.10"]
[White "Alonso, Salvador"]
[Black "Torella, Rodolfo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2502"]
[BlackElo "2022"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,95,25,14,13,12,16,8,6,2,8,6,16,18,17,-5,33,33,20,27,26,20,71,58,54,38,72,81,253,252,314,327,345,336,449,449,449,449,449,440,437,406,430,361,639,625,1339,921,1246,1302,1302,912,4910,4814,5295,835,753,406,732,753,753,745,691,684,684,669,640,625,29965,29965,29965,29962,29950,29957,12591,11029,5340,5091]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 {B33: Sicilian: Pelikan and Sveshnikov Variations} 12. Nc2 O-O (12... a5 13. g3 {½-½ (13) Nepomniachtchi,I (2763)-Carlsen,M (2835) St Petersburg 2018}) 13. g3 Bg5 {The position is equal.} 14. Bg2 a5 15. O-O Be6 16. Qd3 Ne7 17. Nde3 Rc8 18. Rad1 Qc7 $146 {[%cal Re6c4]} ({Predecessor:} 18... Bxe3 19. Nxe3 Qb6 20. b3 Rcd8 {1-0 (40) Nestorovic,N (2504)-Godde,M (2091) Neustadt an der Weinstrasse 2018}) 19. b3 Rcd8 20. Kh1 f6 (20... Bxe3 $11 {remains equal.} 21. Nxe3 Nc6) 21. f4 Bh6 $1 22. Nf5 Bxf5 23. exf5 exf4 $2 {[#]} (23... Kh8 $16 {was worth a try.}) 24. Nd4 $1 $18 Qc5 25. Rfe1 ({But not} 25. gxf4 $6 Rfe8 $18) 25... Rd7 26. Ne6 {[%mdl 64] Double Attack} Qxf5 27. Qxf5 Nxf5 28. Nxf8 Kxf8 29. Bh3 g6 30. Bxf5 gxf5 {[%mdl 4096] Endgame [#] KRR-KRB} 31. c5 $1 {[%mdl 512]} fxg3 $2 (31... Rc7 32. cxd6 Rd7) (31... dxc5 32. Rxd7) 32. Rxd6 Rf7 33. c6 Bf4 34. Rd8+ Kg7 35. Rd7 Kf8 36. hxg3 Bxg3 37. Rxf7+ (37. Rd8+ $142 Kg7 38. Rg1) 37... Kxf7 {KR-KB} 38. Rc1 Bc7 39. Rd1 Ke8 40. Rd7 Be5 41. Rxh7 Kd8 42. Kg2 Kc8 43. Ra7 Bc7 44. Ra8+ Bb8 45. Rxa5 Be5 46. Ra7 Kd8 47. Rb7 Bc3 48. Kf3 {Accuracy: White = 75%, Black = 36%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.11"]
[White "Lujan, Carolina"]
[Black "Rupel, David"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2357"]
[BlackElo "1953"]
[Annotator "NA RC"]
[PlyCount "65"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,63,46,32,62,54,146,162,126,133,117,90,110,77,86,53,58,18,132,133,163,186,151,148,249,257,225,258,258,276,287,289,300,284,305,323,32767,32767,318,340,461,472,487,541,584,616]} 1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. d4 Nxc3 6. bxc3 {B11: Caro-Kann: Two Knights Variation} Bg4 7. h3 Bxf3 8. Qxf3 e6 9. Bd3 Nd7 10. O-O b5 $146 ({Predecessor:} 10... Qc7 11. c4 Be7 12. Rb1 dxc4 13. Bxc4 O-O 14. Qe4 g6 15. f4 Nb6 16. Bd3 {½-½ (16) Solak,D (2599)-Rodshtein,M (2634) Valjevo 2012}) 11. Qg3 Nb6 12. Bg5 Qd7 {[#]} (12... Be7 $1 $14 13. Bxe7 Qxe7) 13. f4 $1 h6 14. Bh4 Be7 15. Bxe7 Qxe7 16. Qxg7 O-O-O 17. Bg6 Rdf8 18. Bh7 Kd8 (18... Re8 $142) 19. Rf3 Nd7 20. a4 f5 21. exf6 Qxf6 (21... Nxf6 {was necessary.} 22. Qxe7+ Kxe7) 22. Qxf6+ Nxf6 23. Bd3 bxa4 24. Rxa4 Rf7 25. Re3 Re7 26. g4 Rhe8 27. Ra6 Rc7 28. g5 hxg5 (28... Rg7 {is a better defense.} 29. g6 Ne4 30. Bxe4 (30. Rxc6 Rxg6+ 31. Kf1 Re7 $18) 30... dxe4) 29. fxg5 Rg7 30. h4 Nh5 31. Rf3 c5 32. dxc5 $18 e5 33. Bb5 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.12"]
[White "Coro, Lucas"]
[Black "Dotta, Gian Franco"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2284"]
[BlackElo "1896"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,96,33,37,42,40,-17,-17,-8,63,46,73,32,39,41,44,36,72,62,66,83,83,84,79,47,206,198,185,198,196,121,91,99,94,106,116,70,79,79,67,38,152,0,77,85,85,66,137,68,48,38,43,21,26,20,41,37,113,135,128,99,245,245,332,128,245,240,214,36,49,18,34,34,34,28,30,30,29972,29972,6406,6406,29987]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 e5 8. e4 h6 9. h3 Nh7 10. Be3 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} (10. dxe5 Nxe5 11. Nxe5 dxe5 12. Be3 c6 13. Qxd8 Rxd8 14. Rfd1 Re8 15. Rd2 Ng5 16. Kh2 Ne6 17. Rad1 h5 {½-½ (66) Kjartansson,G (2441)-Berkes,F (2687) Reykjavik 2014}) 10... Ng5 11. Ne1 ({White should play} 11. Nxg5 $14 hxg5 12. b3) 11... exd4 $146 ({Predecessor:} 11... Nb6 12. h4 Nh3+ 13. Kh2 Nf4 14. gxf4 exf4 15. Bc1 Qxh4+ 16. Kg1 g5 17. Nb5 c5 18. Nxd6 {0-1 (29) Gaboyan,S (2043)-Hayrapetyan,A (2367) Yerevan 2014}) 12. Bxd4 {The position is equal.} Bxd4 (12... Ne5 $11) 13. Qxd4 $14 Ne5 14. f4 Ne6 ({Of course not} 14... Nc6 $6 15. Qe3 $16) 15. Qf2 Nxc4 16. Rd1 c6 17. b3 {[%mdl 1024] White has strong compensation.} Nb6 18. f5 Ng5 19. h4 Nh7 20. Qf4 g5 $2 (20... Qf6 $14) 21. Qxd6 $18 Qxd6 22. Rxd6 Kg7 23. Nf3 (23. e5 $18) 23... Re8 $16 24. Bh3 g4 25. Bxg4 {aiming for e5.} Nf6 26. Bh3 Nxe4 27. Nxe4 Rxe4 28. Rd8 {Black must now prevent f6+!} Kf6 (28... Re2 $14) 29. Rd6+ (29. g4 $142) 29... Kg7 30. Kf2 Nd5 31. Re1 Nf6 (31... Rxe1 $14 32. Kxe1 (32. Nxe1 Nf6 $14) 32... f6) 32. Rd8 (32. g4 $1 $16 {[%cal Rg4g5] And now g5 would win.} Rxe1 33. Kxe1) 32... Rxe1 $14 33. Kxe1 {Strongly threatening g4.} b6 34. Nd4 Bb7 35. Rxa8 Bxa8 $11 {[%mdl 4096] Endgame KBN-KBN} 36. Bg2 Nd5 (36... c5 $14 37. Bxa8 cxd4) 37. Bxd5 $1 $16 cxd5 {KB-KN} 38. Kf2 Kf6 (38... h5 $16) 39. g4 $1 $18 Ke5 {[#]} 40. Ke3 $2 (40. g5 $1 $18 {is the precise move to win.} h5 41. Ke3) 40... Bb7 (40... f6 $16) 41. Nf3+ Kd6 {[#]} 42. Kd4 $2 (42. g5 $1 $18 {[%cal Rg5h6]} hxg5 43. h5 (43. Nxg5 Bc8 $16) (43. hxg5 d4+ 44. Kf4 d3 $11)) 42... f6 $1 $14 43. g5 fxg5 44. hxg5 hxg5 45. Nxg5 a5 46. f6 {Threatens to win with f7.} Bc6 $2 {[%mdl 8192]} (46... Bc8 $11) 47. f7 Ke7 {[#]} 48. Ne6 $1 {[%mdl 512]} Bb7 {Accuracy: White = 47%, Black = 36%.} (48... Kxe6 49. f8=Q) 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.13"]
[White "Lagar, Valentin Alejo"]
[Black "Barreto, Ignacio C. de Barro"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2196"]
[BlackElo "2212"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,57,22,22,35,18,16,30,41,7,0,0,3,3,14,0,0,-5,0,-2,-4,0,0,-8,260,247,233,230,222,177,287,255,262,245,264,225,252,200,256,152,138,101,122,142,221,185,189,181,207,198]} 1. e4 d6 2. d4 Nf6 3. Bd3 e5 4. c3 d5 5. dxe5 Nxe4 6. Nf3 Nc5 {B07: Pirc Defence: Miscellaneous Systems} 7. Bc2 Bg4 8. O-O Nc6 {White has an edge.} (8... Be7 9. Bf4 Ne6 10. Bg3 O-O 11. Nbd2 Bh5 12. Qb1 Bg6 13. Rd1 c6 14. Nf1 {1-0 (62) Melkumyan,H (2668)-Shimanov,A (2620) Saint Louis 2018}) 9. Bf4 Ne6 10. Bg3 $1 Bc5 $146 ({Predecessor:} 10... d4 11. Qe2 Qd7 12. Rd1 O-O-O 13. Be4 Ng5 14. Nbd2 Nxe4 15. Nxe4 {0-1 (55) Schmuki,R (2038)-Buglisi,M (1930) Kaltern 2017}) 11. Nbd2 Bh5 12. Qe2 Bb6 13. Rad1 Qe7 14. b4 a6 15. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Nxb4 16. Bb3 $36 {[%mdl 2048] White is pushing.} Nc5 $2 {[%mdl 8192] [#]} (16... Nc6 $1 $11) 17. cxb4 $18 Nxb3 18. Nxb3 Qxb4 19. Qd3 Rd8 (19... Qxa4 $142 20. Qxd5 Qb5) 20. a5 Bg6 21. Qd2 Qxb3 22. axb6 Qxb6 23. Rc1 {Strongly threatening e6!} c5 24. Qc3 (24. Bh4 $18 Rd7 {[#]} 25. e6 $1 {[%mdl 512]} fxe6 26. Qf4) 24... Rc8 $16 25. Bh4 Qe6 26. Qa3 Be4 (26... b6 $16) 27. Rxc5 O-O 28. Bg3 Qe7 29. Rc3 {Accuracy: White = 45%, Black = 48%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.14"]
[White "Trois, Francisco R.T."]
[Black "Zapata Charles, Santiago"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2152"]
[BlackElo "2300"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,57,24,23,57,18,41,21,9,0,43,39,35,8,7,13,8,5,22,-14,0,-15,20,-32,-11,-78,-94,-148,-162,-166,-143,-137,-60,-130,-55,-73,-26,-26,-41,-67,-34,-91,0,0,0,0,28,8,8,6]} 1. c4 Nf6 2. g3 g6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. h4 h6 {A16: English Opening: 1...Nf6 with ...d5} (6... Bg7 7. h5 Nc6 8. Nf3 Bg4 9. h6 Bf6 10. Ne4 e5 11. b3 O-O 12. Nxf6+ Qxf6 13. Bb2 Rfe8 14. Rh4 {1-0 (30) Van Wely,L (2642)-Pultinevicius,P (2465) Batumi 2018}) 7. d3 Nc6 8. Nf3 Bg7 9. Be3 O-O 10. Qd2 Kh7 11. Rc1 e5 12. Bc5 Re8 13. O-O Be6 $146 ({Predecessor:} 13... Bg4 14. Nh2 {0-1 (45) Petersen,T (2334)-Olofsson Dolk,M (2143) Helsingor 2014}) 14. b4 Qd7 15. Rfe1 f5 16. Red1 (16. e4 $11) 16... Rad8 17. Qc2 (17. b5 $11 Nd4 18. Nh2) 17... Nd4 $17 18. Nxd4 ({Better is} 18. Qd2) 18... exd4 19. Bxb6 cxb6 20. Nb1 Bd5 ({Black should try} 20... Be5 $17 {White must now prevent ...f4.} 21. Qd2 Qf7) 21. Bf3 {[#]} ({White should play} 21. Qc7 $15) 21... Qf7 (21... f4 $1 $17 {[%mdl 512] ...fxg3 is the strong threat.} 22. g4 (22. gxf4 Qh3) 22... Qe7) 22. Nd2 $15 g5 23. hxg5 hxg5 24. Re1 Bf8 25. a3 {[#]} (25. Bxd5 $15 Qxd5 26. Qa4) 25... b5 (25... Be6 $1 $17) 26. Bxd5 $11 Qxd5 27. Qb3 Qxb3 28. Nxb3 Rd7 29. Rc2 {Accuracy: White = 31%, Black = 21%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.15"]
[White "Salinas Herrera, Pablo"]
[Black "Gaye, Gustavo"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2477"]
[BlackElo "1984"]
[Annotator "TA"]
[PlyCount "202"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,202,74,65,75,82,84,79,99,100,116,117,106,78,81,50,50,58,66,47,58,52,52,40,33,0,60,43,57,14,17,20,44,25,39,33,35,6,16,5,34,37,46,44,42,35,39,40,44,41,45,5,21,-6,40,18,48,6,50,28,47,46,129,104,104,100,95,89,89,91,116,45,116,68,89,78,92,81,136,122,106,84,88,58,62,57,41,25,35,36,34,26,27,29,29,0,0,-18,0,0,33,-18,0,0,0,-7,-7,-6,0,0,0,0,0,0,0,0,0,-7,0,0,0,-14,0,-7,0,-18,0,0,0,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 g6 2. d4 Bg7 3. c4 c5 4. d5 d6 5. e4 Nf6 6. Bd3 O-O 7. h3 e6 8. O-O exd5 9. exd5 Na6 10. Nc3 h6 {E90: King's Indian: Classical: Early deviations and 6 h3} (10... Nh5 11. Re1 Nc7 12. Bg5 f6 13. Bd2 f5 14. Qc2 h6 15. Ne2 g5 16. Ng3 Nxg3 17. fxg3 Rb8 18. a4 {½-½ (59) Fell,S (2310)-Rodriguez Vila,A (2481) Villa Martelli 2018}) 11. Bf4 Nc7 12. Qd2 Kh7 {White is better.} 13. Rfe1 a6 14. a4 b6 $146 ({Predecessor:} 14... Rb8 15. Qc2 b5 16. Bxg6+ fxg6 17. Nh4 Bf5 18. Nxf5 gxf5 19. Qxf5+ {½-½ (34) Lee,D-Umezinwa,G Chicago 1988}) 15. Re2 Ra7 16. Bh2 Re8 $1 17. Rae1 Rxe2 18. Rxe2 Nce8 19. Qe1 Bf8 20. Nd1 Bd7 21. Nc3 Bc8 22. Nd2 (22. Bf4 {looks sharper.} Re7 23. Be3 Bg7 24. b3 Nd7 25. Bc2) 22... Re7 23. Qb1 Rxe2 24. Nxe2 a5 25. Nf4 {[%cal Rd3g6] Black must now prevent Bxg6+!} Bg7 26. Nf3 Kg8 27. b3 Nd7 28. Bc2 Qf6 29. Qe1 Qa1 30. Kf1 Qxe1+ 31. Kxe1 Ne5 32. Nd2 Kf8 33. Ne2 f5 34. Nf4 Kf7 35. Nf1 Nf6 (35... g5 $5 {[%cal Rg5f4]} 36. Ne2 f4 $11) 36. Ne3 Bd7 37. f3 Bc8 38. Ke2 g5 39. Ne6 {[%mdl 64] [#] Decoy} Bxe6 (39... f4 $14) 40. dxe6+ Kxe6 {...f4 would now be nice for Black.} 41. Bxf5+ Ke7 42. Bc2 Ke6 43. h4 Nc6 44. hxg5 (44. Bf5+ $16 Ke7 45. hxg5 Nd4+ 46. Kd3 hxg5 47. Bh3) 44... hxg5 (44... Nd4+ $14 45. Kd3 hxg5) 45. Nf5 Bf8 46. g4 Ne5 47. Ne3 Bg7 (47... Nc6 $142) 48. Bf5+ $16 Ke7 49. Nc2 Nc6 50. Bg1 d5 51. Be3 Bh6 52. Na3 d4 53. Bf2 Ne8 54. Be4 Ne5 55. Bg3 Bg7 56. Nb1 Nd6 57. Bd5 Bf6 58. Nd2 Kd7 59. Nf1 (59. Ne4 $14 Nxe4 60. Bxe4) 59... Ke7 {The position is equal.} 60. Be1 Ng6 61. Kd2 Be5 62. Ng3 Bf4+ 63. Kd1 Kf6 64. Nh5+ Ke5 65. Ng7 Ne7 66. Ba8 Ng6 67. Bc6 Kf6 68. Nh5+ Ke5 69. Bf2 Ne7 70. Bd7 Ng6 71. Ke1 Nf8 72. Bc6 Ng6 73. Ba8 Ne7 74. Nxf4 Kxf4 $11 {[%mdl 4096] Endgame KBB-KNN} 75. Ke2 Ng6 $1 76. Be1 Ke5 77. Bg3+ Nf4+ 78. Kd2 Ne8 79. Be4 Nd6 80. Bc2 Nf7 81. Ke1 Nd8 82. Be4 Nf7 83. Kf1 Nd6 84. Bd3 Ne8 85. Bc2 Nf6 86. Be1 Ne8 87. Bd2 Nc7 88. Kf2 Nce6 89. Bd1 Nc7 90. Bc2 Nce6 91. Bf5 Nc7 92. Kg3 Ne2+ 93. Kf2 Nf4 94. Be4 Nce6 95. Ke1 Nc7 96. Kd1 Ne8 97. Kc2 Nd6 98. Bc6 Nc8 99. Be4 Nd6 100. Bc6 Nc8 101. Be4 Nd6 {Accuracy: White = 50%, Black = 50%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.16"]
[White "Vazquez, Facundo"]
[Black "Larrea, Manuel"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2019"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,122,43,51,37,40,0,0,0,1,-25,-15,-20,-21,-27,-27,-32,-13,-55,-51,-54,-50,-56,-51,-47,-45,-76,-75,-76,-67,-83,-74,-74,-75,-94,-91,-90,-50,-52,-56,-66,-46,-63,-54,-86,-45,-62,-61,-73,0,-61,0,-78,-63,-98,-72,-84,-104,-106,-90,-93,-47,-41,-35,-58,-66,-103,-76,-71,-67,-77,-51,-51,-50,-58,-39,-43,-35,-75,-44,-50,-28,-43,-26,-67,-59,-100,-87,-110,-41,-136,-130,-119,-135,-124,-31,-91,-92,-99,-100,-199,-201,-198,-6,-10,-9,-29967,-29968]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bg5 Nbd7 6. Nc3 c6 7. Qc2 Bd6 8. e3 Nf8 9. Bd3 Ng6 10. O-O {D35: Queen's Gambit Declined: Exchange Variation} (10. Nh4 Nf8 11. Nf5 Bxf5 12. Bxf5 Ng6 13. O-O-O h6 14. Bxf6 Qxf6 15. e4 Ne7 16. Bh3 Bb4 17. e5 Qh4 18. Kb1 {½-½ (85) Petrosyan,M (2579)-Petrosian,T (2598) Yerevan 2019}) 10... O-O 11. e4 dxe4 12. Nxe4 {The position is equal.} Be7 13. Ng3 $146 ({Predecessor:} 13. Rfe1 Nxe4 14. Bxe7 Nxe7 15. Bxe4 h6 16. a4 Re8 17. a5 a6 {½-½ (29) Massimini Gerbino,M (2375)-Wurschner,M (2200) IECG email 2003}) 13... Bg4 14. Nh4 Nxh4 15. Bxh4 h6 16. h3 Be6 {Threatens to win with ...g5.} 17. Ne2 Nd5 18. Bg3 Nb4 19. Qb1 Bf6 20. Rd1 Re8 21. a3 Nxd3 22. Qxd3 Qb6 23. b4 Rad8 24. Bf4 a5 25. Rab1 Rd7 26. Be3 axb4 27. axb4 Red8 28. Rd2 Qa7 29. Qc2 {next d5 is good for White.} Qa6 30. Rbd1 Bc4 31. Ng3 Be7 32. Rb1 Bf6 (32... Bd5 $17) 33. Rbd1 (33. Ne4 $11) 33... Be7 34. Rb1 $1 Qb5 35. Qc3 Be6 36. Rbb2 Ra8 37. Rb1 Ra4 {[%cal Ra4b4]} 38. Rdb2 b6 39. Rc1 Rc7 {[%cal Ra4b4]} 40. Bd2 Rc8 41. Re1 Bf8 42. Rc1 Qa6 43. Qe3 Ra1 (43... Re8 {is interesting.} 44. Qe4 Bd7 45. Qc2 Ra3 46. Nf1 b5) 44. Rbc2 Rxc1+ 45. Rxc1 Qb5 46. Qc3 Bd5 47. Re1 Rd8 48. Rc1 g6 49. Nf1 Bg7 50. Be3 Ra8 51. Bd2 Ra2 $36 {[%mdl 2048] White is under strong pressure.} 52. Ne3 Be6 (52... Qe2 $17 53. Be1 Be4) 53. Ra1 ({White should play} 53. Ng4 $1 $15) 53... Rxa1+ $17 54. Qxa1 Qd3 55. Bc3 {[#]} c5 $1 {[%mdl 512]} 56. bxc5 (56. d5 $1 $15 Qxc3 57. Qxc3 Bxc3 58. dxe6 fxe6 59. b5) 56... bxc5 57. d5 Qxc3 ({Much worse is} 57... Bxc3 $6 58. Qa8+ Kh7 59. dxe6 $11) 58. Qa8+ (58. Qxc3 $17 Bxc3 59. dxe6 fxe6 60. Kf1) 58... Kh7 $19 59. dxe6 fxe6 $2 (59... Qe1+ $19 60. Nf1 Qxe6) 60. Qc6 $1 $11 Qe1+ 61. Kh2 $2 {[%mdl 8192] [#]} (61. Nf1 $11) 61... Be5+ {Accuracy: White = 43%, Black = 50%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "6.17"]
[White "Siddeley, Hugh"]
[Black "Coppola, Claudio"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1968"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "168"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,168,18,54,-6,0,-59,37,38,32,28,40,42,83,85,101,99,128,106,114,99,100,79,72,64,67,26,112,108,72,0,0,-47,16,-39,-39,-79,-40,-52,-14,-22,57,0,318,296,709,60,208,224,195,0,40,43,37,33,48,0,37,-35,0,-7,62,64,130,0,0,0,0,0,0,0,0,0,29,-20,96,0,8,-29,0,-3,0,-8,88,20,33,31,27,-142,-148,-144,-72,-151,0,0,0,0,0,-5,0,-2,0,0,0,-2,0,-8,-8,-1000,-967,-1308,-1135,-1728,-1443,-1779,-1608,-1681,-1600,-1954,-1503,-29956,-29957,-5931,-5595,-29959,-29960,-29960,-29961,-29943,-29945,-29945,-5915,-5919,-4125,-5244,-4918,-29968,-29969,-29969,-1381,-29969,-29971,-29959,-29962,-29972,-29974,-29972,-29975,-29976,-29976,-29971,-29975]} 1. e4 c5 2. d4 d6 3. Nf3 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rb8 11. g4 {B78: Sicilian Dragon: Yugoslav Attack, 9 Bc4 Bd7 10 0-0-0 Rc8} (11. Kb1 $14) (11. Bb3 Na5 12. h4 b5 13. h5 Nc4 14. Bxc4 bxc4 15. hxg6 fxg6 16. Bh6 Qb6 17. b3 Bxh6 18. Qxh6 Qa5 19. Kb2 Rfc8 20. Nd5 cxb3 21. axb3 Kf7 22. Qd2 Qxd2 23. Rxd2 {½-½ (46) Fedoseev,V (2724)-Nakamura,H (2787) Moscow 2018}) 11... b5 $11 12. Bb3 (12. Nxc6 $11 Bxc6 13. Bb3) 12... Na5 (12... Ne5 $15) 13. Kb1 {White is slightly better.} Nc4 14. Bxc4 $1 bxc4 15. Ka1 Qc7 16. h4 Rfc8 17. h5 Qb7 {[%csl Gb8][%cal Rb7b2]} 18. Rb1 $1 Rc5 19. hxg6 fxg6 20. Nde2 $146 Ra5 21. Bd4 Qb4 22. b3 Bf8 (22... g5 $11) 23. g5 Nh5 24. Rhd1 (24. Qe3 $16 Rc8 25. Nd5 (25. Bxa7 Ng3 $17)) 24... Rc8 25. f4 Rc6 (25... Bg4 $15 26. Nd5 Qxd2 27. Rxd2 e6 28. Nf6+ Nxf6 29. Bxf6 cxb3 30. Rxb3 Rac5) 26. bxc4 (26. Qe3 $11) 26... Qxc4 $15 27. Qd3 Be6 {[%cal Ra5a2]} (27... Bg4 $5 {[%cal Rg4e2]} 28. Qxc4+ Rxc4 $17) 28. Rb2 Rca6 29. Kb1 Qc6 (29... Qc8 $11) 30. Rf1 (30. f5 $1 $14 Bc4 31. Qh3) 30... Ra3 $2 {[%mdl 8192]} (30... Bc4 $11 31. Qh3 e6) 31. f5 $1 $18 {[%cal Rf5e6]} Bc4 $2 {[#]} (31... gxf5 32. Qh3 Bxa2+ 33. Rxa2 Rxa2 34. Nxa2 Qb5+ 35. Qb3+ Qxb3+ 36. cxb3 fxe4) 32. Qd2 $2 (32. fxg6 $1 $18 {[%mdl 512]} hxg6 33. Rxf8+ $1 {[%mdl 512]} (33. Qf3 Qe8 $11) 33... Kxf8 34. Qf3+ Bf7 35. Rb8+ Qe8 36. Rxe8+ Kxe8 37. e5) 32... R6a5 (32... Qc8 $14) 33. fxg6 hxg6 34. Rf2 $2 (34. Rb8 $18 Bf7 35. e5 dxe5 36. Bxe5 Rxe5 37. Qd8) 34... e5 35. Rb8 Bf7 {Strongly threatening ...Qc7.} 36. Be3 Qc7 (36... Bxa2+ $2 37. Nxa2 Rb5+ 38. Rxb5 $18) 37. Rb2 (37. Rb3 $5) 37... Qc8 38. Nd5 (38. Rb3 $14) 38... Qc4 (38... Bxd5 $5 39. exd5 Ng7 $15) 39. Ndc3 {[#]} Qa6 (39... Ng3 $1 $11 {[%mdl 512]} 40. Nxg3 Rxc3) 40. Nc1 $1 $14 Qc4 {[#]} (40... Qc6 $14 41. Rb3 Qc7) 41. Nb3 (41. Rb7 $1 $16 Qxc3 42. Qxc3 (42. Rbxf7 Bg7 $11) (42. Rfxf7 Qxd2 43. Bxd2 Rb5+ 44. Rxb5 Kxf7 $11) 42... Rxc3 43. Bd2 {[%mdl 64] Skewer} (43. Rbxf7 Rc8 $15)) 41... Ra6 $11 {[%cal Ba5a6,Ba6c6,Bc6c3][%mdl 32] Threatens to win with ...Rc6.} 42. Qd3 Rc6 43. Nd5 Bxd5 44. exd5 Qxd3 45. cxd3 Rc3 46. Nc1 Ng3 (46... Rc8 $11 {keeps the balance.}) 47. Rb7 (47. Rf6 $16 Rc8 48. Bd2 (48. Rxg6+ Kh7 $16)) 47... Nf5 $132 {[%mdl 2048] Black is not keeping still} 48. Bxa7 Ra5 49. Rc2 Rxc2 50. Kxc2 Rxd5 (50... Be7 $1 $11) 51. Ne2 ({White should try} 51. Nb3 $16 {And now Kc3 would win.} Ne7 52. a4) 51... Be7 52. Nc3 Ra5 53. Ne4 $2 (53. Kb3 $11) 53... Rxa2+ $17 54. Kb3 Rg2 (54... Ra6 $142 55. Bb6 Kf7) 55. Kc4 {[#]} ({Better is} 55. Bb8) 55... Bxg5 $2 (55... Kf7 $1 $17 {aiming for ...Ke6.} 56. d4 exd4 57. Bxd4 Ke6) 56. Kd5 $11 Be7 {Black wants to play ...Kf7.} 57. Ke6 Rh2 58. Bb8 Rh7 59. Rc7 Nd4+ 60. Kd5 Nf5 61. Ke6 Rf7 62. Rc8+ Kg7 {White should prevent ...g5.} 63. Nxd6 $2 {[%mdl 8192]} (63. Rc7 $11) 63... Bxd6 $19 64. Bxd6 Rf6+ 65. Kxe5 Nxd6 {[%mdl 4096] Endgame KRN-KR} 66. Rc7+ Nf7+ 67. Ke4 g5 68. d4 g4 69. Rc3 Ng5+ 70. Ke5 Kg6 {( -> ...Rf5+)} 71. d5 Rf5+ 72. Kd4 Rf4+ 73. Ke5 Re4+ 74. Kd6 Rd4 (74... Kf5 $142 75. Rd3 Kf4 76. Rd1 g3 77. Kc6 Nf3 78. d6 Rd4 79. Rc1 g2 80. Kc7 Ne5 81. Ra1 Kg3 82. Ra3+ Kh2 83. Ra1 g1=Q 84. Rxg1 Kxg1 85. Kd8 Rxd6+ 86. Kc7 Rc6+ 87. Kb7 Rd6 88. Ka7 Re6 89. Kb8 Kf2 90. Kc8 Ke3 91. Kc7 Kd4 92. Kd8 Kc5 93. Kc7 Rb6 94. Kd8 Kd6 95. Kc8 Rb4 96. Kd8 Rb8#) 75. Ke5 Nf3+ 76. Ke6 Re4+ 77. Kd7 Ne5+ 78. Ke6 Nc4+ 79. Kd7 Kf5 {Black mates.} 80. Kc6 Kf4 81. d6 g3 82. d7 Ne5+ 83. Kc7 {[#]} Nxd7 $1 84. Kxd7 g2 {Accuracy: White = 31%, Black = 43%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.18"]
[White "Araque, Jairo"]
[Black "El Ters, Antouan"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1961"]
[BlackElo "2205"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,124,24,17,14,6,10,6,6,6,7,0,5,12,18,19,15,9,158,146,168,66,106,96,101,38,47,49,67,68,118,0,0,0,29,-34,-6,-34,-29,-60,-37,-40,-43,-38,0,0,8,7,0,0,13,22,17,16,35,0,0,0,0,0,0,0,0,0,0,0,54,57,397,0,0,0,0,0,0,0,0,0,0,0,30,0,0,0,0,0,0,0,0,0,0,0,0,-235,-248,-979,-881,-1001,-997,-1886,-1808,-2017,-1982,-3142,-2607,-2328,-1882,-1657,-1558]} 1. d4 Nf6 2. Bf4 b6 3. e3 Bb7 4. Nf3 g6 5. Be2 Bg7 6. Nbd2 d6 7. h3 c5 8. c3 Nbd7 9. O-O O-O 10. Qb3 e5 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (10... a6) 11. dxe5 dxe5 12. Bh2 e4 $1 {[%cal Re4f3] The position is equal.} 13. Ne1 $1 Qe7 14. Rd1 $146 ({Predecessor:} 14. Nc2 Ne5 15. Bxe5 Qxe5 16. Rfd1 Rad8 17. a4 Bc6 18. Na3 {0-1 (52) Engelman,T (1828)-Zupancic,U (1907) Otocec 2016}) 14... Ne5 15. Nc4 Nxc4 16. Bxc4 {And now Bd6 would win.} Rfd8 17. Nc2 Nd7 (17... Ne8 $11 {remains equal.}) 18. Bc7 Rdc8 {[#]} 19. Bd6 (19. Bxf7+ $1 $18 {[%mdl 512]} Qxf7 20. Qxf7+ Kxf7 21. Rxd7+ Kg8 22. Be5 Bxe5 23. Rxb7) 19... Qf6 20. a4 Bc6 21. Ba6 (21. Na3 $16) 21... Re8 $14 22. Rd2 Qf5 23. Rfd1 Be5 24. Bxe5 (24. Na3 $1 $16) 24... Nxe5 $11 25. Rd6 Re7 26. Ne1 ({Better is} 26. Na3 $11) 26... Rae8 27. Qc2 Re6 28. Rd8 Qg5 29. Rxe8+ Rxe8 30. Bb5 Nf3+ 31. Kf1 Nxe1 (31... Nh2+ {is more complex.} 32. Kg1 Nf3+) 32. Rxe1 Bxb5+ 33. axb5 {[%mdl 4096] Endgame KQR-KQR} Qd5 34. Rd1 Qc4+ 35. Qe2 Qe6 36. Qd2 Qb3 37. Qd7 $36 {[%mdl 2048] White fights for an advantage.} Re7 38. Qd8+ Kg7 39. Kg1 Re6 40. Rd2 Qxb5 41. Qb8 a5 (41... h5 $11) 42. Rd8 $1 $14 {[%mdl 1024] White has compensation.} Qc6 $2 {[%mdl 8192] [#]} (42... Kf6 $1 $14) 43. Rg8+ $2 ({White has to play} 43. g4 $1 $18 h6 44. h4) 43... Kf6 $11 44. Qf8 Re7 45. Qg7+ Ke6 46. Qxh7 Re8 47. Rxe8+ Qxe8 {KQ-KQ} 48. Qh4 Kd6 49. Qf4+ Kd5 50. b3 b5 {[%cal Bb6b5,Bb5a4,Ba4a3,Ba3a2][%mdl 32] White must now prevent ...a4.} 51. Qc7 a4 52. Qb7+ Kd6 53. bxa4 bxa4 54. Qa6+ Qc6 55. Qa5 $2 {[#]} (55. Qa7 $1 $11 {and White has nothing to worry.}) 55... Kd5 $1 $19 56. Kf1 $2 (56. Qd8+ Kc4 57. Qd2) 56... Kc4 {Black is clearly winning.} 57. Qa7 Kxc3 58. Qxf7 a3 59. Qg7+ Kc2 60. Qe5 Qb5+ 61. Kg1 Qb4 62. Kh2 a2 {Accuracy: White = 47%, Black = 50%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.19"]
[White "Escofet, Jaime"]
[Black "Hernandez Amura, Gilberto"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1957"]
[BlackElo "2199"]
[Annotator "RC"]
[PlyCount "66"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. b3 Nf6 2. Bb2 g6 3. Bxf6 exf6 4. c4 Bg7 5. Nc3 O-O 6. g3 Nc6 7. Bg2 d6 8. Nf3 Bg4 9. h3 Bxf3 10. Bxf3 f5 11. O-O h5 12. h4 f4 13. Rc1 fxg3 14. fxg3 Qd7 15. Bg2 Qg4 16. Ne4 Nd4 17. Kh2 Be5 18. Bf3 Qxh4+ 19. Kg2 Qe7 20. e3 Nf5 21. Kf2 c6 22. Rg1 d5 23. cxd5 cxd5 24. Nc5 Rac8 25. Nd3 d4 26. e4 Rxc1 27. Qxc1 Nd6 28. g4 Bh2 29. Rg2 Nxe4+ 30. Bxe4 Qxe4 31. Rxh2 Qxd3 32. gxh5 Re8 33. Kg1 Qg3+ 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.20"]
[White "Suarez, Pedro"]
[Black "Benoit, Rodrigo"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1950"]
[BlackElo "2189"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,53,21,12,29,14,12,11,14,3,13,5,14,1,26,-3,-5,-4,0,0,0,-4,-6,-18,0,-20,-18,-55,-64,-57,-42,-83,-46,-57,-37,-63,-24,-39,-38,-65,-73,-96,853,847]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nbd2 Bg7 6. Bd3 O-O 7. O-O Bf5 {D70: Grünfeld: Unusual White 3rd moves (met by ...d5)} (7... Nbd7 8. b3 b6 9. a4 a5 10. e4 dxe4 11. Nxe4 Bb7 12. Bb2 c5 13. Re1 Rc8 14. Qe2 cxd4 15. Bxd4 Nc5 16. Bxc5 bxc5 {1-0 (59) Nakamura,H (2785)-Caruana,F (2808) Stavanger 2017}) 8. Qc2 e6 9. b3 Re8 {The position is equal.} 10. Re1 $146 ({Predecessor:} 10. Bb2 Na6 11. a3 c5 12. cxd5 Bxd3 13. Qxd3 Nxd5 14. Qe2 cxd4 15. Nxd4 {1-0 (31) Porat,M (2005)-Gross,S (2275) Brno 2006}) 10... Nbd7 11. Bb2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 12. Rad1 Qe7 13. e4 Nxe4 14. Nxe4 dxe4 15. Bxe4 Bxe4 16. Rxe4 a4 17. Re3 Qb4 18. a3 axb3 19. Qe2 Qa4 20. Nd2 c5 21. Nxb3 cxd4 22. Bxd4 Bxd4 (22... Bf8 {with more complications.} 23. Bb2 Nb6 24. c5 Nd5 25. Rf3 Bg7) 23. Nxd4 Nc5 24. Rb1 Red8 25. Nb5 Rd7 26. Nc3 Rad8 $2 {[%mdl 8192] [#]} ({Not} 26... Qxa3 27. Nd5 $16) (26... Qc6 $17 27. Qb2 Qa6) 27. Nxa4 {Accuracy: White = 42%, Black = 24%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.21"]
[White "Ramos Correa, Gabriel"]
[Black "Hurtado Bahamonde, Rodrigo"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1920"]
[BlackElo "2172"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,48,22,25,-11,-4,-16,-17,-48,-5,-57,-54,-55,-47,-50,-60,-104,-88,-182,-175,-262,-252,-263,-250,-342,-337,-300,-306,-310,-302,-472,-479,-627,-594]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Bd6 6. Bd3 Nbd7 7. O-O O-O 8. e4 dxc4 9. Bxc4 e5 $1 10. dxe5 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran} (10. Be3 exd4 11. Bxd4 Qc7 12. Kh1 Ne5 13. Nxe5 Bxe5 14. Bxe5 Qxe5 15. f4 Qc5 16. Bd3 Rd8 17. Qf3 Be6 18. h3 Rxd3 19. Qxd3 {½-½ (37) Giri,A (2769)-Ding,L (2759) Shenzhen 2017}) 10... Nxe5 11. Nxe5 Bxe5 12. Qxd8 {The position is equal.} Rxd8 13. f3 ({White should try} 13. Re1 $11) 13... b5 $15 14. Be2 Bd4+ 15. Kh1 Be6 $36 {[%mdl 2048] Black has some pressure.} 16. Bg5 $146 ({Predecessor:} 16. g4 Nd7 17. Rd1 Bc5 {0-1 (49) Vetokhin,I (2031)-Tarasov,O (2264) Moscow 2018}) 16... h6 17. Bxf6 (17. Bh4 $17) 17... Bxf6 $19 18. f4 (18. e5 {might work better.} Bxe5 19. f4) 18... b4 {[%cal Bb5b4,Bb4c3,Bc3c2][%mdl 32]} 19. Na4 Rd2 {[%mdl 64] [#] Double Attack} 20. Bf3 Bxb2 21. Rad1 Bc3 22. Nxc3 bxc3 23. Rc1 (23. Kg1 {is a better defense.} Rad8 24. Rxd2 cxd2 25. Kf2) 23... c2 24. e5 {White hopes to continue with Be4.} Bd5 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.22"]
[White "Rodriguez Farias, Eduardo"]
[Black "Curi, Gabriel"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1935"]
[BlackElo "2159"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,76,-2,0,2,0,62,66,47,0,37,54,67,8,43,0,-40,-137,-142,-233,-216,-292,-280,-342,-338,-345,-341,-341,-325,-342,-351,-342,-335,-454,-463,-509,-513,-504,-508,-516,-486,-533,-497,-491,-474,-523,-449,-499,-510,-532,-531,-672,-673,-960,-905,-2641,-2296,-29998,-29999]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. O-O Rc8 8. Na3 cxd4 9. cxd4 Nf5 10. Nc2 Qb6 11. b3 Nb4 {C02: French: Advance Variation} 12. Ne3 Bb5 $146 ({Black should play} 12... Nxe3 $11 13. fxe3 (13. Bxe3 Be7 $11) 13... Be7) ({Predecessor:} 12... Be7 13. a3 Nc6 14. Nxf5 exf5 15. b4 h6 16. Bb2 O-O 17. Qd2 Rfe8 18. h4 Nd8 19. Rfc1 {½-½ (46) Sebag,M (2510)-Lysyj,I (2593) Moscow 2008}) 13. Nxf5 exf5 {White is slightly better.} 14. e6 f6 15. Bxb5+ Qxb5 16. Nh4 (16. Bd2 $14) 16... g6 $11 17. Nxf5 ({White should try} 17. a3 $14 Nc2 18. Ra2 Qxb3 19. Rb2) 17... gxf5 $15 18. Qh5+ (18. a3 $1 $15 Nc2 19. Ra2) 18... Kd8 $17 19. Qxf5 {[#]} (19. Ba3 $17 {keeps fighting.}) 19... Be7 $1 $19 20. Bh6 Qd3 21. Qh5 {intending a3.} Qg6 ({Less strong is} 21... Qxd4 22. Rfe1 $17) 22. Qh3 Rg8 23. g3 Rc2 24. Be3 h5 ({Don't do} 24... Nxa2 25. f3) 25. a3 Nc6 26. Qg2 Qf5 27. Rfc1 Rxc1+ {[%mdl 64] [#] Overworked Piece} 28. Rxc1 Bxa3 29. Rd1 h4 30. Bf4 Ke7 31. Qf3 Ke8 32. Qe2 Be7 33. Be3 a6 34. Rc1 Rh8 35. Bf4 Nxd4 36. Rc8+ Bd8 37. Qb2 Qe4 {( -> ...Qe1+)} 38. e7 Qe1+ {Accuracy: White = 14%, Black = 80%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.23"]
[White "Munoz Perez, Rolando"]
[Black "Durante, Aurelio"]
[Result "0-1"]
[ECO "D16"]
[WhiteElo "2130"]
[BlackElo "1941"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,56,10,13,32,31,32,31,24,0,0,0,0,-6,1,3,5,-41,-36,-41,-12,-47,-35,-33,-35,-58,-60,-85,-86,-81,-97,-87,-81,-85,-78,-125,-138,-374,-324,-390,-372,-406,-350,-639,-276,-1423,-1399]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 e6 6. e3 Bb4 7. Bxc4 O-O {D16: Slav Defence: 5 a4: Lines with 5...Bg4 and 5...Na6} (7... b6 8. O-O O-O 9. Qe2 a5 10. e4 Ba6 11. e5 Nd5 12. Ne4 h6 13. Rd1 Ra7 14. b3 Qe7 15. Ra2 {1-0 (28) Bareev,E (2667)-Tosic,M (2439) Rijeka 2010}) 8. O-O Nbd7 9. Qb3 a5 {White is slightly better.} 10. Rd1 Qe7 11. Na2 $146 ({Predecessor:} 11. e4 e5 12. Qc2 exd4 13. Nxd4 Ne5 14. Bf1 {1-0 (68) Taras,I (2252)-Colompar,A ICCF email 2006}) 11... Bd6 12. Nc3 Bb4 13. Bd2 e5 14. Be1 e4 15. Nd2 Nb6 16. Be2 Be6 17. Qc2 Bf5 18. Na2 Bd6 19. Qb3 Bc7 20. Nc3 Rfe8 21. Rac1 h5 $40 {[%mdl 128] Black has strong attack.} 22. Nf1 h4 23. f4 exf3 $1 24. gxf3 $2 (24. Bxf3 $17 {was forced.} h3 25. g3) 24... Bh3 25. e4 Nh5 {[#] ...Qg5+ is the strong threat.} 26. Bd2 {If only White now had time for e5....} Qf6 ({Less strong is} 26... Qd6 27. Be3 $19) 27. Kh1 $2 (27. Kf2 Bxf1 28. Kxf1) 27... Nf4 (27... Bf4 $142 28. Ne3 (28. Qxb6 {leads to mate.} Qg5 29. Ne3 Ng3+ 30. hxg3 Qxg3 31. Qxb7 Qh2#) 28... Qxd4) 28. Ne3 $2 (28. Bxf4 Qxf4 29. Qc2) 28... Nxe2 {[%mdl 64] Discovered Attack. Accuracy: White = 28%, Black = 60%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.24"]
[White "Baudel, Simon"]
[Black "Arcos Facio, Mateo"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "1847"]
[BlackElo "2107"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,58,66,71,14,27,13,10,-9,30,-7,0,-11,7,6,19,0,30,27,70,35,50,43,81,32,27,27,66,50,44,13,19,15,24,25,41,39,43,40,66,53,70,47,47,39,39]} 1. e4 e5 2. Ne2 Bc5 3. d4 exd4 4. Nxd4 Nc6 5. Nb3 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 Nf6 {C45: Scotch Game} 8. Nc3 O-O {LiveBook: 9 Games} (8... d6 9. O-O-O O-O 10. f3 a5 11. Nd4 Nxd4 12. Qxd4 Be6 13. Bc4 Re8 14. Bxe6 Rxe6 15. Rd2 {1-0 (86) Jobava,B (2706)-Petrosian,T (2643) Plovdiv 2012}) 9. Bd3 (9. f3 $16) 9... d6 {The position is equal.} 10. O-O a5 $146 ({Predecessor:} 10... Re8 11. f3 Be6 12. Nd5 Ne5 13. c4 c6 14. Ne3 Qb6 15. Kh1 {0-1 (54) Agoston,A (2009)-Nestorovic,L (2357) Kragujevac 2011}) 11. a3 Be6 12. Nc1 {[%cal Bb3c1,Bc1e2,Be2d4][%mdl 32]} Ne5 13. N1e2 Nc4 (13... c6 {is more complex.} 14. Nf4 b5 15. Be2 Qc7 16. Qd4 Rad8) 14. Bxc4 Bxc4 15. b3 Ba6 16. Rfe1 Nd7 17. Qf4 Re8 18. Nd4 Qf6 19. Qxf6 (19. Qd2 {is interesting.} c6 20. Nf5 d5 21. Rad1 b5 22. Ng3) 19... Nxf6 20. f3 c6 21. Rad1 g6 22. Nde2 d5 23. exd5 Nxd5 24. Nxd5 cxd5 25. Kf2 {White is slightly better.} Rac8 26. Nd4 a4 27. Rxe8+ ({Much weaker is} 27. bxa4 Rxe1 28. Kxe1 (28. Rxe1 Rc4 $11) 28... Rc4 $11) 27... Rxe8 28. b4 {[#] And now b5 would win.} Bc4 29. Re1 Kf8 {Precision: White = 33%, Black = 26%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.25"]
[White "Guerrero, Alvaro"]
[Black "Avedisian, Alexander"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2096"]
[BlackElo "1921"]
[Annotator "NA RC"]
[PlyCount "59"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. d5 c5 7. Nge2 e6 8. Ng3 exd5 9. cxd5 a6 10. a4 Nbd7 11. Be2 Ne5 {A65: Modern Benoni: 6 e4} (11... Ne8 12. Bf4 Rb8 13. O-O c4 14. Bxc4 Qb6+ 15. Rf2 Bd4 16. Qd2 Ne5 17. Bf1 Bxf2+ 18. Qxf2 Qxf2+ 19. Kxf2 {½-½ (32) Carlsen,M (2835)-Nepomniachtchi,I (2763) Wijk aan Zee 2019}) 12. O-O Nh5 $146 ({Predecessor:} 12... h5 13. Bg5 Rb8 14. f4 Neg4 15. e5 dxe5 16. fxe5 Nxe5 17. Nce4 Ned7 18. Qc1 Qe8 19. Rxf6 {1-0 (37) Gupta,A (2619)-S,M (2204) Kolkata 2018}) 13. Nxh5 gxh5 14. Kh1 f5 15. exf5 Bxf5 16. a5 Kh8 17. Ra4 Rg8 18. Ne4 Bxe4 19. Rxe4 ({Don't play} 19. fxe4 $6 Rf8 $11) 19... Qxa5 20. Rh4 Bf6 21. Rxh5 Qc7 22. f4 Qg7 23. g3 Ng6 24. Bd3 Raf8 25. Bf5 $18 Re8 26. Qc2 Bd4 27. Be6 Rgf8 28. f5 Qe5 29. Qg2 b5 30. Rxh7+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.26"]
[White "De la Torre, Andres"]
[Black "Sosa Macho, Juan Manuel"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1634"]
[BlackElo "2079"]
[Annotator "NA RC"]
[PlyCount "22"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 Nc6 2. g3 e5 3. d3 d5 4. Bg2 Bg4 5. c3 Be7 6. Nbd2 Qd7 7. e4 dxe4 8. dxe4 O-O-O 9. h3 Be6 10. Qa4 Kb8 11. Nb3 Qd1# {Nbd2 Qxf3 Nxf3 Rc8 Nd2} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.27"]
[White "Meza, Anahi"]
[Black "Hart, Alexander"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2058"]
[BlackElo "1881"]
[Annotator "NA RC"]
[PlyCount "41"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,41,47,61,32767,32767,337,341,259,470,344,333,344,444,462,553,32767,32767,609,864,884]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 b5 9. Be2 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran} a6 (9... O-O 10. O-O Bb7 11. Rd1 Qc7 12. a3 a6 13. b4 a5 14. Bd2 axb4 15. axb4 Nd5 16. Rac1 Nxb4 17. Qb1 Be7 18. Nxb5 Qa5 19. Rc4 Qxb5 20. Bxb4 Bxb4 21. Rxb4 Qxe2 22. Rxb7 {1-0 (76) Sasikiran,K (2666)-Pourramezanali,A (2537) Hamedan 2018}) 10. O-O Bb7 11. e4 e5 12. dxe5 Nxe5 13. Nh4 Nd5 $146 ({Predecessor:} 13... Nfg4 14. Nf5 g6 15. Nxd6+ Qxd6 16. g3 Nf6 {1-0 (40) Tarun,K (2120)-Larmet,N (1835) Mumbai 2019}) 14. Nf5 ({Weaker is} 14. exd5 Qxh4 15. f4 cxd5 $18) 14... Nb4 15. Qb3 ({Less strong is} 15. Nxg7+ Kf8 $16) 15... g6 $2 (15... Bf8 16. Bf4 Nbd3) 16. Nxd6+ Qxd6 17. Rd1 Ned3 18. a3 c5 19. axb4 c4 {[#]} 20. Bxd3 $1 O-O-O 21. Bxc4 $18 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.28"]
[White "Sarquis, Maria Belen"]
[Black "Larrea, Daniela"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2164"]
[BlackElo "1770"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,78,10,4,7,6,20,43,6,27,27,35,14,62,37,53,41,75,37,45,34,98,118,103,118,118,98,104,88,107,107,119,114,118,111,223,223,256,188,262,258,297,306,296,305,304,311,318,313,297,300,467,274,284,320,361,361,665,654,1019,700,840,835,1487,1420,2110,2020,29983,29984,29983]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d6 5. Bg2 Nf6 6. O-O Be7 {LiveBook: 451 Games} 7. a4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} (7. c3 O-O 8. Nbd2 {½-½ (8) Morozevich,A (2656)-Chigaev,M (2593) Cheliabinsk 2018}) 7... O-O 8. Re1 Qc7 9. c3 {White is slightly better.} Rb8 10. d4 $146 ({Predecessor:} 10. Na3 a6 11. d4 cxd4 12. cxd4 Nd7 13. Be3 b6 14. Rc1 d5 15. exd5 exd5 16. Bf4 Bd6 {1-0 (35) Schneider,H (2240)-Axnich,H Germany 1995}) 10... cxd4 11. cxd4 e5 12. h3 Bd7 13. Nc3 a6 14. Bg5 Qd8 15. Qd2 Nh5 (15... h6 $14 16. dxe5 Nxe5 17. Nxe5 dxe5 18. Bxf6 Bxf6) 16. Bxe7 $16 Qxe7 17. Nd5 Qd8 18. a5 Nf6 19. Nb6 Bc8 20. Rad1 Qe7 21. Qc3 Re8 22. Qa3 Nd7 {[#]} (22... Qf8 $16) 23. Nc4 $1 $18 exd4 {White should prevent ...Nde5.} 24. Nxd4 Nde5 (24... Nxd4 {was necessary.} 25. Rxd4 Ne5 26. Nxd6 Rf8) 25. Nxd6 Rd8 26. Nxc6 Nxc6 27. e5 {[#] aiming for Bxc6.} Qc7 28. b4 Be6 29. Qc3 Rd7 30. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} Re7 (30... f6 {was called for.} 31. Nxb7 Qxb7 32. Rxd7 (32. Qxc6 Qxc6 33. Bxc6 Rxd1 $16) 32... Qxd7) 31. Ne4 (31. f5 $142) 31... Na7 32. Nc5 Nb5 33. Qf3 h6 $2 (33... Bf5 34. g4 Bc8) 34. f5 Bd7 35. Qf4 ({Weaker is} 35. Nxd7 Rxd7 36. e6 fxe6 $18) 35... Bc6 36. f6 Ree8 37. fxg7 Kxg7 38. Qf6+ Kh7 39. Bxc6 Qxc6 {Precision: White = 80%, Black = 29%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.29"]
[White "Visillac, Alejandro"]
[Black "Granara Barreto, Sebastian"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1803"]
[BlackElo "2134"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,52,-21,-17,-43,-45,-58,-60,-70,-71,-60,-18,-16,-12,-26,-12,-91,-47,-77,-62,-92,-91,-133,-137,-136,-54,-112,-29,-35,-34,-52,-36,-119,-127,-202,-185,-186,-190,-199,-156,-240,-171]} 1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e5 6. O-O Nge7 7. Nbd2 O-O 8. Nb3 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} (8. Nc4 d5 9. exd5 Nxd5 10. Re1 Re8 11. Bg5 f6 12. Bd2 Be6 13. Qc1 Qc7 14. Bh6 Rad8 15. Bxg7 Kxg7 16. h4 h5 17. Nfd2 b5 18. Ne3 Nxe3 19. Rxe3 {0-1 (33) Rombaldoni,D (2481)-Vocaturo,D (2620) Chianciano Terme 2018}) 8... d6 9. Be3 h6 $146 ({Predecessor:} 9... f5 10. Qd2 Nd4 11. c3 Ne6 12. Bh6 f4 13. Bxg7 Kxg7 14. d4 c4 15. Nc1 Qc7 {0-1 (64) Stakanova,A-Burdalev,K Kiev 2002}) 10. Nc1 {Black is slightly better.} f5 11. Ne2 Nd4 12. Nfxd4 cxd4 13. Bd2 Qb6 14. Qc1 (14. a4 $11 {keeps the balance.}) 14... Kh7 15. Rb1 Be6 16. c4 fxe4 17. Bxe4 d5 18. cxd5 Rac8 (18... Nxd5 $17 {...Nf6 is the strong threat.} 19. Ra1 Rad8) 19. Qe1 (19. dxe6 $15 Rxc1 20. Nxc1) 19... Bxd5 ({Black should play} 19... Nxd5 $17 {Threatens to win with ...Nf6.} 20. f4 Ne3) 20. Nc1 $11 Be6 21. Bb4 Rf7 $36 {[%mdl 2048] Black is more active.} 22. Bd2 ({White should try} 22. Bxe7 $15 Rxe7 23. Qd1) 22... Nd5 23. Ne2 (23. h4 $17) 23... Nf6 $19 {Black is clearly better.} 24. Bg2 Bxa2 25. Rc1 Rxc1 26. Qxc1 (26. Nxc1 $17 {keeps fighting.} Bd5 27. Qxe5) 26... Be6 {Accuracy: White = 30%, Black = 49%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.30"]
[White "Martinez, Carlos Alejandro"]
[Black "Pichuaga, Juan Pablo"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2503"]
[BlackElo "2027"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,137,50,18,37,0,29,0,11,0,0,0,0,6,4,-1,0,-31,-30,-37,0,-25,-23,-22,-2,-13,-18,-88,-102,-96,-98,-96,-100,-98,-95,-115,-90,-106,-103,-87,-80,-80,-79,-79,-74,-131,-84,-96,-96,-105,-109,-108,-79,-87,-71,-104,-67,-100,-95,-98,-98,-87,-91,-225,-217,-217,-219,-254,-258,-255,-268,-264,-199,-233,-188,-240,-241,-206,-212,-249,-245,-284,-200,-197,-68,-65,-77,-82,-70,-96,-82,-89,-85,-91,-31,-31,-31,-168,-156,-166,-156,-179,-31,-400,-356,-328,-31,-31,-31,-35,-8,-707,-538,-492,-474,-3725,-2475,-2512,-2306,-29969,-29968,-29974,-29975,-29978,-29979,-29977]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bd2 Bf5 7. Bc4 e6 8. h3 Qc7 {B01: Scandinavian Defence} (8... Nbd7 9. O-O Bb4 10. a3 Bxc3 11. Bxc3 Qc7 12. Re1 O-O 13. Qe2 b5 14. Bb3 a5 15. Ne5 a4 16. Ba2 Rfe8 17. Rac1 Ne4 18. Nxd7 Nxc3 19. Nf6+ gxf6 20. bxc3 {½-½ (67) Mamedov,R (2660)-Nakamura,H (2741) Moscow 2010}) 9. Bb3 Nbd7 10. Qe2 Bd6 {The position is equal.} 11. g4 Bg6 12. Nh4 O-O-O 13. O-O-O Bf4 14. Nxg6 hxg6 15. Qf3 $146 (15. Be3 {is more complex.} g5 16. Kb1 Nf8 17. a3 Ng6 18. Na4) ({Predecessor:} 15. Kb1 Bxd2 16. Qxd2 Rh4 {0-1 (62) De Silva,C (1544)-Ranasinghe,S (1783) Malabe 2015}) 15... Bxd2+ 16. Rxd2 Nb6 17. Ne2 g5 18. Rdd1 Rh4 19. Qe3 Rdh8 20. Rdg1 {[#]} (20. Rhf1 $11 {remains equal.}) 20... Nxg4 $1 $17 {[%mdl 576] Pin} 21. Qf3 (21. Rxg4 Rxg4) 21... Nh6 22. Rxg5 Nf5 23. Rgg1 g6 24. c3 Nd5 25. Bxd5 cxd5 26. Rg4 R4h7 27. Kb1 Nd6 28. Nc1 Nc4 {Threatens to win with ...Nd2+.} 29. Qd3 (29. Ka1 $142) 29... Qe7 30. Rg3 Qf6 31. b3 Nd6 32. Rf3 Nf5 33. Ne2 Qg5 34. Rg1 Qh4 35. c4 Qe4 36. cxd5 exd5 37. Rc1+ Kd7 38. Ka1 (38. Ng3 $17 {was worth a try.} Qxd3+ 39. Rxd3) 38... Qxd3 $19 39. Rxd3 Rxh3 40. Rxh3 Rxh3 {[%mdl 4096] Endgame KRN-KRN} 41. Nf4 Rf3 42. Nxd5 Nxd4 43. Ne3 Nc6 ({Less strong is} 43... Rxf2 44. Rd1 $15) 44. Rd1+ (44. Rc2 $142) 44... Ke6 45. Rd2 Ne5 46. Kb1 f5 47. Re2 b5 48. Kc2 Kd6 (48... g5 $19 49. Kd1 Rh3) 49. Rd2+ $15 Kc6 50. Kd1 Rh3 51. Rc2+ Kd6 52. Rd2+ Ke6 53. Nd5 Kf7 (53... Rh1+ $17 54. Ke2 Rc1 55. Nf4+ Kf7) 54. Nc7 b4 55. Nd5 {[#]} (55. Na6 $15) 55... a5 $1 $19 56. Nf4 Rf3 57. Nd5 Rd3 ({Black should try} 57... g5 $19 58. Nc7 Rd3) 58. Nb6 $2 {[%mdl 8192]} (58. f4 $15 Rxd2+ 59. Kxd2) 58... Rxd2+ 59. Kxd2 {KN-KN} Ke6 $2 (59... f4 $19 60. Na4 g5) 60. f4 $1 $15 {[%cal Rf4e5]} Nd7 61. Nc4 Kd5 {Hoping for ...Ke4.} 62. Ke3 $2 {[%mdl 8192] [#]} (62. Nxa5 $11 Ke4 63. Nc6) 62... a4 $1 $19 {[%cal Ra4a3][%mdl 512]} 63. Nd2 (63. bxa4 Kxc4) 63... axb3 64. axb3 (64. Nxb3 $142 Kc4 65. Kd2) 64... Nc5 65. Nf3 Nxb3 66. Kd3 Nc5+ {Black mates.} 67. Kc2 Ke4 68. Nh4 Kxf4 69. Nxg6+ {Accuracy: White = 36%, Black = 51%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.31"]
[White "Augoustis Funti, Alexis"]
[Black "Areco, Antonio"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1984"]
[BlackElo "1750"]
[Annotator "NA RC"]
[PlyCount "51"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 g6 5. Bc4 Nc6 6. Nf3 Bg7 7. O-O e6 8. Qe2 Nge7 9. Bg5 {B21: Sicilian: 2 f4 and Morra Gambit} (9. e5 a6 10. a4 b6 11. Bg5 Qc7 12. Bf6 Bxf6 13. exf6 Nf5 14. Rfd1 Kf8 15. Qd2 h5 16. Bd3 Nh6 {1-0 (57) Amaral,F (1583)-Amorena,J (1703) Uruguay 2017}) 9... Qa5 ({Predecessor:} 9... O-O 10. Rfd1 Qa5 11. Bd2 {1-0 (11) Cser,A (657)-Schubert,M (800) LSS email 2009}) 10. Nd5 Nxd5 11. exd5 Nd4 12. Nxd4 Bxd4 13. Rfd1 Bg7 14. dxe6 fxe6 15. Rd5 Qb6 16. Rb5 Qc7 17. Rc1 Qd6 18. Rd5 Qb6 $1 {[#]} 19. Rb5 ({White should try} 19. b4 $1 $16) 19... Qd6 20. Qf3 $14 Qf8 21. Qe3 Qf7 22. Qc5 Bf8 23. Qe5 Bg7 24. Qd6 h6 25. Bd3 hxg5 26. Rbc5 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.13"]
[Round "6.32"]
[White "Soto, Nicolas"]
[Black "Chamlian, Aram"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "1982"]
[BlackElo "1739"]
[Annotator "NA RC"]
[PlyCount "85"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. c3 e5 7. Re1 Ne7 8. Qa4 O-O 9. d3 d6 10. h3 h6 11. Nbd2 Be6 $15 12. d4 cxd4 13. cxd4 exd4 14. Nxd4 Bd7 15. N4f3 d5 16. Qa3 Re8 17. e5 Nf5 18. Nb3 Bf8 19. Nc5 Bxc5 20. Qxc5 Qb6 21. Qxb6 axb6 22. g4 Ne7 23. Bxh6 c5 24. a3 d4 25. Nd2 Nc6 26. f4 Be6 27. Ne4 Na5 28. Nf6+ Kh8 29. Nxe8 Rxe8 30. Rad1 Bb3 31. Rd3 Bc4 32. Rf3 d3 33. f5 Nb3 34. Rf2 gxf5 35. gxf5 Nd4 36. Bd2 Bd5 37. Re3 c4 38. Kh2 Nc2 39. Rg3 Rxe5 40. Bc3 f6 41. Bxe5 fxe5 42. f6 e4 43. Rf4 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.1"]
[White "Tristan, Leonardo"]
[Black "Rodriguez Vila, Andres"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2493"]
[BlackElo "2486"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,43,38,38,38,38,56,52,53,50,104,68,61,63,43,56,87,87,80,87,89,79,233,239,245,243,233,231,264,253,245,235,240,196,188,-27,-23,-23,-12,-25,46,34,79,78,99,84,102,105,81,102,88,39,850,992,988,982,957,941,936,935,836,820,1083,743,1051,950,933,937,921,831]} 1. d4 d6 2. g3 g6 3. Bg2 Bg7 4. e4 e5 5. dxe5 (5. Ne2 Nf6 6. Nbc3 O-O 7. O-O c6 8. a4 a5 9. h3 Na6 10. Be3 Nb4 11. Qd2 Be6 12. Rad1 Qc8 13. Kh2 d5 14. exd5 Nfxd5 15. Nxd5 Bxd5 16. c3 Bxg2 17. Kxg2 Nd5 18. Bh6 Bxh6 19. Qxh6 Qf5 20. dxe5 Qe4+ 21. Kg1 Qxe2 22. Rfe1 Qxb2 23. Re4 Qc2 24. Rde1 f5 {0-1 (24) Stupak,K (2526)-Motylev,A (2677) Warsaw 2012}) 5... dxe5 6. Qxd8+ {B06: Modern Defence} Kxd8 7. b3 Nc6 8. Bb2 {White is slightly better.} Nd4 9. Na3 $1 c6 (9... Bg4 $14) 10. O-O-O {Hoping for c3.} Kc7 11. Nc4 c5 12. Nf3 f6 $146 ({Predecessor:} 12... Bg4) 13. Nxd4 cxd4 14. c3 dxc3 15. Ba3 {aiming for Rd3.} Nh6 $2 (15... Be6 $16 {might work better.}) 16. Bd6+ $18 {[%mdl 1024] White has strong compensation.} Kc6 17. Na5+ $1 Kb6 18. Rd5 Nf7 19. Nc4+ Kc6 20. Rc5+ Kd7 21. Bh3+ Kd8 {[#]} 22. Rd1 $2 ({White must play} 22. Be7+ $1 $18 {[%mdl 512]} Kxe7 23. Rc7+ Ke8 24. Bxc8) 22... Bh6+ $11 23. f4 Bxh3 24. Bxe5+ $1 Ke8 ({Black should play} 24... Ke7 $1 $11 25. Rc7+ {[%mdl 64] Double Attack} Ke6) 25. Bxf6 $14 Rg8 26. Rc7 $1 b5 {[#]} 27. Nd6+ $1 Nxd6 28. Rxd6 {And now Rd5 would win.} Bf8 29. Rd5 {Threatening mate with Re5+.} Ba3+ {[#]} 30. Kc2 $1 a6 $2 {[%mdl 8192]} (30... h6 $14) 31. Re5+ $18 {White is clearly winning.} Kf8 32. Bg5 Rg7 33. Bh6 Kg8 34. Rxg7+ Kh8 {[#]} 35. Ra7 $1 {[%mdl 512]} Rd8 (35... Rxa7 36. Re8+) 36. Bg5 Rc8 37. Be7 Bxe7 38. Rexe7 h5 39. Rac7 {Accuracy: White = 78%, Black = 41%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.2"]
[White "Mareco, Sandro"]
[Black "Felgaer, Ruben"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2664"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,130,0,0,0,0,6,23,20,25,14,33,22,24,21,53,37,52,32,44,51,43,41,67,37,56,56,59,56,63,44,60,46,85,83,83,84,83,83,77,87,73,77,95,87,79,60,47,14,103,114,127,110,512,505,523,518,457,384,383,377,378,340,375,193,181,179,183,148,148,148,196,183,183,177,177,172,171,162,254,254,254,246,289,289,282,281,266,195,187,191,263,273,440,441,321,118,122,70,72,76,62,64,72,87,128,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 g6 5. Bxc6 (5. O-O Bg7 6. e5 Ng4 7. Bxc6 dxc6 8. Re1 O-O 9. d3 Nh6 10. h3 Nf5 11. Ne4 b6 12. Bf4 Nd4 13. c3 Nxf3+ 14. Qxf3 Be6 15. Qe3 Qd5 16. c4 Qd7 17. Bh6 Rfd8 18. Bxg7 Kxg7 {0-1 (44) Vidit,S (2707)-Li,C (2732) Liaocheng 2018}) 5... bxc6 6. e5 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} Nd5 {LiveBook: 4 Games} 7. O-O Bg7 $1 8. Ne4 d6 9. exd6 exd6 10. d4 $146 ({Predecessor:} 10. d3 Bf5 11. Bg5 f6 12. Bh4 Bxe4 13. dxe4 Nb6 {1-0 (27) Boidman,Y (2412)-Groot,S Haarlem 2004}) 10... f5 11. Ng3 {Threatens to win with c4.} O-O 12. c4 Nc7 13. Bg5 Qd7 {Strongly threatening ...cxd4.} 14. dxc5 dxc5 15. Qxd7 Bxd7 16. Rad1 Rf7 17. Bf4 Ne6 18. Be5 Nd4 {...Nxf3+ is the strong threat.} 19. Bxg7 Nxf3+ 20. gxf3 Kxg7 21. Rfe1 Re8 22. Rxe8 Bxe8 $16 {[%mdl 4096] Endgame KRB-KRN} 23. Rd8 Re7 24. Kf1 Kf6 25. f4 h6 26. h4 Re6 27. f3 g5 28. hxg5+ hxg5 29. Kf2 g4 (29... gxf4 $11 30. Ne2 Kg5) 30. fxg4 fxg4 31. b3 Bg6 $2 {[%mdl 8192] [#]} (31... Ke7 $16 32. Ra8 Rf6) 32. f5 $1 $18 {[%cal Rf5e6][%mdl 512]} Ke7 (32... Bxf5 33. Rf8+) 33. Rg8 $1 Bf7 34. Rxg4 (34. fxe6 Bxg8 35. Ne4 Kxe6 $11) 34... Rh6 35. Ne4 Rh5 36. Rg5 Rh2+ 37. Rg2 (37. Ke3 $142) 37... Rh5 38. Ng3 Rh4 39. Ke3 Kf6 40. Rd2 Rh3 41. Kf4 Rh4+ 42. Kf3 Ke5 43. Rd7 Bh5+ 44. Kf2 Bg4 (44... Rf4+ $142 45. Ke1 Bg4 46. Re7+ (46. Rxa7 Rf3 $16) 46... Kf6 47. Rxa7 Rf3) 45. Re7+ (45. Rxa7 $6 Kf4 $16) 45... Kf6 46. Re6+ Kg5 47. Rxc6 Kf4 {Hoping for ...Rh2+.} 48. Ne2+ Kg5 49. Nc3 (49. Rxc5 $6 Rh2+ 50. Kg3 Rxe2 $16) 49... Rh2+ {[#]} 50. Kg1 $1 {[%cal Rg1h2]} Rc2 (50... Rh3 $142) 51. Nd5 Bh3 $2 (51... Rxa2 52. f6 (52. Rxc5 Bf3 $16) 52... Bh5) 52. f6 Rg2+ 53. Kh1 $2 (53. Kf1 $18 {and the rest is easy. Black must now prevent f7.} Rxa2+ 54. Ke1 Ra1+ 55. Kd2) 53... Rf2 $16 54. Rc7 (54. Rxc5 $16 {aiming for Rc7.} Kh4 55. Ne3) 54... Kh4 $1 $14 55. Rh7+ ({Much weaker is} 55. Rxa7 Rf1+ 56. Kh2 Rf2+ 57. Kg1 Rf1+ 58. Kh2 Rf2+ 59. Kg1 Rf1+ 60. Kh2 $11) 55... Kg3 {[%cal Rf2f1]} 56. Rg7+ Kh4 57. Ne3 Rxf6 {[#]} 58. Rxa7 (58. Ng2+ $1 $16 Kh5 59. Rxa7) 58... Rf2 $1 $11 {The position is equal.} 59. Rh7+ Kg3 60. Kg1 {White threatens Rxh3+! and mate.} (60. Rg7+ {keeps more tension.} Kf3 61. Rh7 Kg3) 60... Rxa2 {( -> ...Ra1+)} 61. Nf1+ Bxf1 62. Kxf1 Rb2 63. Ke1 Rxb3 64. Kd2 Kf4 65. Rh5 Ke4 {Precision: White = 69%, Black = 56%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.3"]
[White "Hernandez Guerrero, Gilberto"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2533"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,64,14,12,16,-23,-23,-20,-6,-25,-28,-19,-18,-31,-20,-33,-25,-20,-32,-29,-27,-29,-18,-23,-34,-37,-34,-31,-36,-45,-32,-24,0,0,0,0,12,-18,-21,-50,-72,-71,-56]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d3 d6 8. c3 O-O 9. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Na5 10. Bc2 c5 11. Re1 Re8 12. Nf1 Bf8 13. Ng3 g6 {C90: Closed Ruy Lopez with 7...d6: Early deviations} 14. d4 (14. h3 Bg7 15. a4 Bb7 16. Be3 Qc7 17. Qd2 Nc6 18. b4 cxb4 19. cxb4 d5 20. Bb3 Rad8 21. axb5 axb5 22. Qc1 {1-0 (42) Gazik,V (2501)-Chylewski,P (2335) Kudowa-Zdroj 2018}) 14... exd4 15. cxd4 Bg4 $146 {The position is equal.} ({Predecessor:} 15... Bg7 16. Bf4 Bb7 17. dxc5 dxc5 18. Qxd8 Raxd8 19. Bc7 Nc4 20. Bxd8 Rxd8 21. Rad1 {1-0 (64) Palit,S (2393)-Pieri,P (2048) Barbera del Valles 2012}) 16. dxc5 dxc5 17. Bg5 Qxd1 18. Raxd1 Nh5 19. h3 Bxf3 $1 20. gxf3 Ng7 21. Bc1 Nc6 {Threatens to win with ...Nd4.} 22. Kg2 Ne6 23. Ne2 Red8 24. f4 c4 25. Bb1 Nc5 26. Nc3 Nb4 27. Be3 Ncd3 28. Re2 Bg7 {[#] White must now prevent ...Bxc3.} 29. e5 g5 30. a3 (30. fxg5 $5 {[%cal Rf2f4]} Bxe5 31. Red2 $11) 30... gxf4 31. axb4 {Strongly threatening Bb6.} fxe3 32. Bxd3 Rxd3 {Accuracy: White = 53%, Black = 89%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.4"]
[White "Roselli Mailhe, Bernardo"]
[Black "Carbone, Diego"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2434"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,111,0,0,0,0,0,0,0,11,-10,41,37,27,38,36,29,163,156,143,117,118,117,123,114,126,133,135,116,107,106,115,111,108,110,115,91,91,91,91,91,91,89,91,91,91,88,91,91,91,91,101,95,98,94,113,93,101,24,25,20,20,8,51,0,29,1,0,0,1,1,21,10,43,32,47,47,51,35,35,10,45,33,41,10,35,37,41,12,32,5,8,38,53,34,65,65,5725,5587,5197,3651,1758,1010,854,629]} 1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. Nb5 Na6 6. e3 {D00: 1 d4 d5: Unusual lines} O-O (6... c6 7. Nc3 Nb8 8. h3 O-O 9. Be2 Nbd7 10. O-O Re8 11. Bh2 a5 12. Ne5 Nxe5 13. Bxe5 Ne4 14. Nxe4 Bxe5 15. dxe5 dxe4 16. Qd4 Qxd4 17. exd4 Rd8 18. Rad1 {0-1 (50) Melkumyan,H (2670)-Amin,B (2710) St Petersburg 2018}) 7. Be2 c6 8. Nc3 {The position is equal.} Qb6 9. a3 Ne4 $146 ({Better is} 9... Nh5 $11) ({Predecessor:} 9... Bg4 10. Na4 Qa5+ 11. c3 Bxf3 12. Bxf3 Qd8 13. b4 {½-½ (43) Le Goff,R (2295)-Lin,C (2508) Helsingor 2018}) 10. Nxe4 $14 dxe4 11. Nd2 Qxb2 12. O-O $1 b5 (12... c5 $11 {and Black is okay.}) 13. Nxe4 $18 {Hoping for Qd2.} Bf5 14. Bd3 {Black must now prevent Qd2.} Bxe4 15. Bxe4 {[#] aiming for Qd2.} e5 16. dxe5 Bxe5 17. Rb1 Qc3 18. Bxe5 Qxe5 19. Bxc6 {[%mdl 64] [#] Double Attack} Rab8 20. Qe2 Nc7 21. c4 a6 22. Rfc1 (22. Rbc1 {keeps more tension.} Rfd8 23. cxb5 Nxb5 24. a4 Nc7 25. g3) 22... Qd6 23. cxb5 Nxb5 24. Bxb5 axb5 25. Rxb5 Rxb5 26. Qxb5 Qxa3 $16 {[%mdl 4096] Endgame KQR-KQR} 27. Qc6 Qb2 28. g4 h6 29. Rc4 Qe2 30. Rf4 Rd8 31. Kg2 Qd1 32. Qf6 Qd5+ 33. e4 (33. Kg3 $16 Re8 34. h4) 33... Qd7 $11 34. h3 Re8 35. Qc3 Qd6 (35... Re6 {with more complications.} 36. Qb4 Qe8 37. h4 Qd7 38. Qc3 Qd6) 36. Qf3 (36. Rf6 $14 Qe7 37. f3) 36... Qe6 37. e5 Re7 38. Re4 Qd5 39. Qf4 Re6 40. Kh2 Kg7 (40... g5 $5 {[%cal Rg5f4]} 41. Qf5 Rc6 $14) 41. Re1 Rc6 42. Qe4 Qe6 43. Qd4 Rc4 44. Qb2 Kh7 45. Qa2 Qc6 46. Qd2 Rc2 47. Qf4 Kg7 48. Rd1 Rc4 49. Rd4 Rc1 {( -> ...Qh1+)} 50. Qe4 Qb6 51. Kg2 $36 {[%mdl 2048] White has the initiative.} Rc6 52. Rd7 Rc3 $2 {[%mdl 8192]} (52... Rc7 $14 53. Rxc7 Qxc7) 53. e6 $18 {White is clearly winning.} Qc6 54. Rxf7+ Kg8 55. Rf4 Qxe4+ 56. Rxe4 {Accuracy: White = 58%, Black = 38%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.5"]
[White "De Dovitiis, Alejo"]
[Black "Alonso, Salvador"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2353"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,20,22,-18,-18,-39,-44,-46,-56,-52,-54,-49,-49,-58,-53,-58,-28,-27,-36,-33,-26,-57,-7,-1,-6,-69,-61,-57,-59,-65,-64,-51,-54,-62,-71,-71,-70,-68,-52,-62,-37,-60,-46,-48,-34,-32,-12,-20,-8,-12,-12,-12,-14,-12,-15,-14,-1,-8,0,-53,-60,-88,-85,-97,-83,-87,-87,-242,-191,-539,-518,-502,-476,-445,-284,-606,-612,-812,-851,-894,-893,-822,-793,-1438,-1199,-1849,-1617,-2685,-2534]} 1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Bf5 (5... Nf6 6. Be2 cxd4 7. cxd4 e6 8. O-O Be7 9. Nc3 Qd6 10. Nb5 Qd8 11. Bf4 Nd5 12. Bg3 O-O 13. Bc4 a6 14. Nc3 Nxc3 15. bxc3 b5 16. Bd3 Bb7 17. a4 b4 18. Rb1 Bf6 19. Be4 a5 20. cxb4 axb4 21. Bxc6 {½-½ (21) Zvjaginsev,V (2660)-Moiseenko,A (2692) Berlin 2015}) 6. Na3 {B22: Sicilian: 2 c3} cxd4 7. Bc4 Qe4+ 8. Be3 {Black is slightly better.} e6 ({Not} 8... dxe3 {[#]} 9. Bxf7+ $1 {[%mdl 512]} Kxf7 10. Ng5+ Ke8 11. Nxe4 $16) 9. cxd4 Bb4+ 10. Kf1 {[#] Black must now prevent Ng5.} Bxa3 11. bxa3 Nge7 12. Nd2 $146 ({Predecessor:} 12. Ng5 Qc2 13. Qxc2 Bxc2 {0-1 (35) Cretnik,U (2214)-Matviishen,V (2383) Gyor 2014}) 12... Qc2 13. Qxc2 Bxc2 14. Rc1 Bg6 15. Nb3 O-O-O 16. f3 Nd5 17. Kf2 (17. Bd2 $11) 17... Nxe3 $15 18. Kxe3 Kb8 19. Rhd1 Ne7 20. Kf2 Rd6 21. Rd2 Rc8 22. Bb5 Rxc1 23. Nxc1 Nd5 24. Ne2 Kc7 25. g4 Rb6 26. Bc4 f6 27. h4 Kd6 28. h5 {Strongly threatening Bxd5.} Bf7 29. Ng3 Rc6 30. Ne4+ Ke7 31. Bb3 Nc3 32. Ng3 a5 33. a4 Rc7 34. Nf1 (34. Rd3 $11) 34... Be8 35. Ne3 Bxa4 36. d5 Rd7 37. Bxa4 Nxa4 $17 {[%mdl 4096] Endgame KRN-KRN} 38. Rd4 $2 (38. Re2 $17 {keeps fighting.} exd5 39. Nc4+ Kd8 40. Nxa5) 38... Nc3 39. dxe6 $2 (39. Rc4 Nxd5 40. Nxd5+ Rxd5 41. Rc8) 39... Rxd4 $19 40. Nf5+ Kxe6 41. Nxd4+ {KN-KN} Ke5 42. Nb3 $2 (42. Ke3) 42... a4 {Black is clearly winning.} 43. Nc5 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 44. a3 Nb1 45. Ke3 Nxa3 46. Nd3+ Kd5 47. Nf4+ Kc4 48. Ne6 b4 {Accuracy: White = 47%, Black = 77%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.6"]
[White "Hoffman, Alejandro"]
[Black "Coro, Lucas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2461"]
[BlackElo "2284"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,51,-8,-12,-15,-5,-16,-16,-26,-3,-16,0,-24,-20,-27,-12,-12,-12,-17,-4,-25,-25,-35,-32,-31,-31,-31,-31,-34,-30,-43,-43,-43,-43,-50,-39,-28]} 1. g3 Nf6 2. Bg2 Nc6 3. c4 e5 4. Nc3 Bb4 5. d3 O-O 6. Bd2 Re8 7. a3 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} (7. e4 a5 8. Nge2 Nd4 9. O-O c6 10. h3 h6 11. Nxd4 exd4 12. Ne2 Bxd2 13. Qxd2 c5 14. f4 d6 {1-0 (73) Iturrizaga Bonelli,E (2671)-Karthikeyan,P (2507) Dubai 2017}) 7... Bxc3 8. Bxc3 d5 9. cxd5 Nxd5 {LiveBook: 3 Games} 10. Nf3 Bg4 $146 (10... a5 {seems wilder.} 11. Qa4 Be6 12. O-O f6 13. Rac1 Qd7) ({Predecessor:} 10... Nxc3 11. bxc3 Rb8 12. O-O Be6 13. Qa4 b5 14. Qh4 Qxh4 15. Nxh4 {½-½ (29) Toma,R (2084)-Obona,J (2036) Slovakia 2002}) 11. h3 Nxc3 12. bxc3 Bf5 13. Nd2 Rb8 14. Rb1 Na5 15. O-O c5 16. c4 b6 17. Kh2 Qd7 18. Ne4 Rbd8 19. Nc3 e4 20. Bxe4 Nxc4 21. dxc4 {[#] Qxd7 is the strong threat.} Bxe4 22. Qxd7 Rxd7 23. Rbd1 Bc6 {Black is slightly better.} 24. Rxd7 Bxd7 25. Rd1 Be6 26. Nd5 {Precision: White = 56%, Black = 64%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.7"]
[White "Fiora, Emilio"]
[Black "Bitelmajer, Martin"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "2190"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,9,21,4,20,0,0,-28,70,50,136,146,121,-17,-33,-80,-90,-108,-99,-103,-103,-97,-97,-109,-104,-104,-107,-103,-97,-119,-118,-113,-106,-150,-139,-139,-143,-173,-158,-245,-249,-243,-245,-315,-260,-247,-241,-278,-223,-456,-455,-443,-447,-472,-445,-482,-475,-638,-489,-539,-525,-494,-487,-489,-497,-554,-547,-512,-511]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bd6 5. d3 O-O (5... a6 6. Ba4 b5 7. Bb3 Na5 8. d4 exd4 9. Qxd4 O-O 10. Bg5 Be7 11. e5 Ne8 12. Bxe7 Qxe7 13. Nd5 {½-½ (63) Hou,Y (2658)-Ponomariov,R (2686) Shenzhen 2018}) 6. a3 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4} h6 7. g4 Nd4 ({Of course not} 7... Nxg4 $6 8. Rg1 $16) 8. Rg1 {The position is equal.} Nh7 $146 (8... Be7 $11) ({Predecessor:} 8... Be7 9. Bc4 d6 10. h3 c6 11. Ba2 Nh7 12. Be3 Bf6 13. Rg3 Be6 14. Ne2 Bxa2 15. Bxd4 Be6 16. Be3 d5 17. Kf1 Qe7 18. Kg2 {½-½ (18) Grigorian,S (2335)-Schmidek,E (2225) Erfurt 2016}) 9. g5 $14 Nxf3+ (9... Nxg5 $14 10. Nxg5 hxg5) 10. Qxf3 $16 Nxg5 11. Qg2 ({White should try} 11. Bxg5 $16 hxg5 {[#]} 12. h4 $1 {[%mdl 512]}) 11... Qf6 {[#] Threatens to win with ...Nf3+.} 12. Bxg5 Qxg5 13. Qxg5 hxg5 14. Rxg5 g6 15. Bc4 {Strongly threatening Rxg6+.} Kg7 16. Ke2 c6 17. Rag1 Rh8 18. Nd1 Be7 19. R5g2 d6 20. Ne3 Rh5 21. f3 Bd7 22. Nf1 Rah8 23. Rf2 Bg5 24. d4 (24. Rfg2 $17 {was called for.} Bf4 25. Rh1) 24... exd4 $19 25. f4 Bh4 26. Rf3 Bf6 27. Bd3 Rh4 28. Kd2 Bh3 29. e5 $2 (29. Kc1) 29... dxe5 {Black is clearly winning.} 30. fxe5 Bxe5 31. Bc4 Rf4 32. Rxf4 Bxf4+ 33. Kd3 c5 34. Ke4 Rh4 35. Kf3 Bf5 36. Rg2 Bc1 37. Ng3 Bg4+ 38. Kf2 Bh3 {Accuracy: White = 37%, Black = 40%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.8"]
[White "Mussanti, Diego"]
[Black "Lujan, Carolina"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2305"]
[BlackElo "2357"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,107,48,43,49,50,54,28,39,7,18,14,86,80,91,83,84,0,233,232,234,239,285,288,283,270,295,254,237,242,325,335,348,320,392,394,383,385,380,307,295,299,317,297,300,302,564,571,565,567,561,558,755,751,719,675,682,713,650,617,606,583,578,472,870,860,831,818,979,490,677,685,891,872,917,903,1089,1080,1693,1793,1504,1349]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. c4 Be7 7. N1c3 a6 8. Na3 f5 9. exf5 Bxf5 10. Bd3 Be6 11. O-O Nf6 12. b3 {B32: Sicilian: Löwenthal and Kalashnikov Variations} O-O 13. Bb2 Kh8 14. Nc2 {[%cal Ba3c2,Bc2e3,Be3f5][%mdl 32]} Rc8 15. Ne3 {LiveBook: 3 Games} Nd4 16. Ne4 $146 ({Predecessor:} 16. Ne2 Nxe2+ 17. Qxe2 e4 18. Bc2 Qa5 19. a3 b5 {0-1 (33) Zambrana,O (2492)-Amura,C (2328) La Punta 2012}) 16... b5 17. Bxd4 {And now Bb2 would win.} exd4 18. Ng5 Bg8 19. Nf5 bxc4 (19... Nd7 $11 {remains equal.} 20. Nf3 (20. Nxe7 Qxe7 21. Nf3 bxc4 $11) 20... bxc4 21. bxc4 Ne5) 20. Bxc4 $16 Nd5 21. Nxe7 Qxe7 {[#]} 22. Qg4 (22. Nxh7 $1 $16 {[%mdl 512]} Rf5 (22... Bxh7 23. Bxd5) 23. Qg4 (23. Qxd4 Nf4 $17) (23. Bxa6 Rc5 $11)) 22... Rce8 $2 (22... h6 $11 23. Nh3 Qf6) 23. Bxd5 $1 $18 ({Weaker is} 23. Bxa6 Nf4 $11) 23... Bxd5 {[#]} 24. Nxh7 $1 $40 {[%mdl 640] White wants a kill.} Rf7 (24... Kxh7 25. Qh5+) 25. Ng5 {Threatening mate with Qh5+.} Rf6 26. Qxd4 Qe5 27. Qxe5 Rxe5 {[#]} 28. h4 $1 Rh6 29. f4 Re2 30. Rf2 Rxf2 31. Kxf2 Rxh4 {[%mdl 4096] Endgame KRB-KRN} 32. Kg3 Rh6 33. Rc1 {Threatens to win with Rc8+.} Rf6 34. Rc8+ Bg8 35. Rd8 d5 36. Kg4 g6 $2 (36... Rc6 {is a better defense.} 37. g3 Rc2) 37. Nf3 {White is clearly winning.} Kg7 38. Nd4 Rb6 39. Kg5 Rb4 40. Rd7+ Kf8 41. Nc6 Rb6 42. Ne5 Be6 43. Nxg6+ Ke8 44. Rc7 d4 45. Ne5 Rb5 (45... Rd6 $142 46. Rc2 Rd5) 46. Kf6 {Strongly threatening Re7+.} Kd8 47. Rc6 Bd5 48. Rxa6 Kc7 49. g4 {[%cal Bg2g4,Bg4g5,Bg5g6][%mdl 32]} Be4 50. Ra7+ Kc8 51. Nc4 {Black must now prevent Nd6+.} Kb8 52. Rd7 Bd5 53. g5 d3 54. g6 {Precision: White = 79%, Black = 38%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.9"]
[White "Hurtado Bahamonde, Rodrigo"]
[Black "Ricardi, Pablo"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2172"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,116,0,0,0,0,0,5,23,0,3,-106,-107,-129,43,49,37,-134,-121,-137,-107,-149,-130,-166,-149,-165,0,0,14,14,104,126,110,84,92,68,71,0,0,0,0,0,40,0,0,0,150,133,413,411,368,348,461,461,690,707,1131,1147,1145,1131,1048,1059,1033,981,959,954,951,904,903,850,899,-247,-255,-1366,-1432,-1406,-1397,-1304,-1199,-1116,-759,-656,-638,-29972,-29973,-29973,-29973,-29973,-29974,-29975,-29975,-29975,-29976,-29976,-29977,-29975,-29976,-29975,-12532,-6342,-6342]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Qf3 {B43: Sicilian: Kan Variation: 5 Nc3} (6. g3 Bb4 7. Nde2 Nf6 8. Bg2 Nc6 9. O-O Be7 10. a4 O-O 11. b3 b6 12. Bb2 Bb7 13. Nf4 Rac8 14. Nce2 Ne5 15. Nd3 Ng6 16. Nc3 Rfd8 17. Re1 d5 18. exd5 Nxd5 19. Nxd5 Bxd5 20. Bxd5 Rxd5 {0-1 (70) Mamedov,R (2703)-Smirin,I (2609) St Petersburg 2018}) 6... Nf6 7. Qg3 d6 8. Be3 b5 9. a3 Bb7 10. Bd3 {LiveBook: 4 Games} Nbd7 11. O-O Rc8 12. Rae1 $146 ({Predecessor:} 12. f3 h5 13. Rad1 h4 {0-1 (44) Tsoi,D (2262)-Drygalov,S (2424) Moscow 2017}) 12... Ne5 13. f4 Nc4 14. e5 (14. Bxc4 $1 $11 bxc4 15. e5 dxe5 16. fxe5) 14... dxe5 $17 15. fxe5 Nxe3 $2 (15... Qxe5 $17 16. Bxc4 Qxg3 17. Bxb5+ axb5 18. hxg3 b4 19. axb4 Bxb4) 16. Rxe3 $14 {Ncxb5 is the strong threat.} Bc5 17. Bxb5+ $2 ({Wrong is} 17. Qxg7 $2 Rg8 $19) (17. Nce2 $1 $14 {was the only good move.} Nh5 18. Qh3) 17... axb5 $17 18. Ncxb5 Qb6 19. c3 Nh5 $1 {[%cal Rh5g3]} 20. Qh3 g6 $1 21. g4 {[#]} Ng7 $2 (21... Ba6 $1 $19 {[%cal Ra6b5]} 22. Nd6+ Bxd6 23. exd6 Bxf1 24. Qxf1 Qxd6 25. gxh5 gxh5 26. Qb5+ Kf8) 22. Qh6 $1 $11 {[%cal Rh6g7]} Bxd4 23. Nd6+ {[#]} Qxd6 $1 {[%mdl 512]} 24. exd6 $16 Bxe3+ 25. Qxe3 {aiming for d7+!} O-O 26. Qa7 {[%mdl 1024] White has strong compensation.} Bd5 27. Qe7 ({Better is} 27. d7 $16 Rcd8 28. h3) 27... Rce8 $11 28. Qc7 {And now d7 would win.} Rc8 29. Qe7 Rce8 $1 {[%cal Re8e7]} 30. Qc7 {Strongly threatening d7.} e5 31. c4 {[%cal Bc3c4,Bc4c5,Bc5c6,Bc6c7][%mdl 32]} Be6 (31... Ne6 $11 32. Qd7 Bxc4 33. Rxf7 Ng5 34. Rxf8+ Rxf8) 32. c5 $36 {[%mdl 2048] Threatens to win with d7. White is on the roll.} Bxg4 $2 {[%mdl 8192]} (32... Rc8 $16 {was called for.} 33. Qa7 Rfd8) 33. d7 $18 Bxd7 34. Qxd7 e4 35. c6 e3 (35... Rd8 $142) 36. c7 Nf5 37. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Ne7 38. b5 e2 39. Re1 Nc8 40. Kf2 Re7 41. Qc6 Re6 42. Qc5 Rfe8 43. a4 Re5 44. Qxe5 $4 {[%mdl 8192]} (44. Qd4 $18 {avoids the disaster.}) 44... Rxe5 $19 45. Rxe2 $2 (45. a5 Rxb5 46. Rxe2) 45... Rxe2+ 46. Kxe2 $18 {[%mdl 4096] Endgame KN-KP} Kf8 47. a5 Ke7 48. b6 Kd7 49. Kf3 Kc6 50. h4 h5 51. Kf4 {[#]} f6 $1 52. Kf3 Nd6 53. Kg2 Kb7 54. Kf3 Nc4 55. a6+ Kc8 56. b7+ Kxc7 57. Ke4 Nb6 (57... g5 $142 58. hxg5 fxg5 59. Kf3 h4 60. Kg4 Ne3+ 61. Kf3 h3 62. Kxe3 h2 63. Ke4 h1=Q+ 64. Kf5 Qh4 65. Ke5 Qf4+ 66. Ke6 g4 67. a7 Kxb7 68. Kd7 Qe5 69. a8=Q+ Kxa8 70. Kc6 Ka7 71. Kd7 Kb6 72. Kd8 Kc6 73. Kc8 Qh8#) 58. Kd4 $19 g5 {Precision: White = 41%, Black = 48%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.10"]
[White "Sosa Macho, Juan Manuel"]
[Black "Lopez Azambuja, Nicolas"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2079"]
[BlackElo "2320"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,120,-5,-9,-19,-10,-31,-45,-38,-43,-36,-45,-46,-10,-22,-19,-28,-31,-38,-34,-42,-31,-41,-49,-49,-54,-140,-134,-202,-204,-225,-229,-241,-221,-237,-250,-241,-250,-270,-264,-285,-278,-279,-276,-293,-290,-291,-270,-280,-270,-291,-291,-291,-277,-281,-275,-344,-293,-412,-411,-511,-511,-511,-511,-665,-642,-631,-626,-752,-708,-1079,-838,-1609,-1568,-1343,-988,-1199,-957,-837,-788,-1099,-1069,-1909,-1561,-1574,-1564,-1503,-1561,-1564,-1504,-1503,-1475,-1394,-1352,-2555,-2380,-2166,-2028]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nbd2 Bb7 5. e3 c5 6. Bd3 cxd4 7. exd4 Be7 8. O-O O-O 9. Re1 d5 10. b3 Nc6 11. Bb2 Rc8 12. Rc1 Re8 {E14: Queen's Indian: Classical Variation (4 e3)} 13. Bb1 (13. a3 Bf8 14. c5 a5 15. Bc3 bxc5 16. dxc5 d4 17. Bb2 e5 18. Ng5 Rc7 19. Bc4 h6 20. Nge4 Bc8 21. Nxf6+ Qxf6 {½-½ (146) Nisipeanu,L (2674)-Kramnik,V (2812) Dortmund 2016 CBM 174 [Krasenkow,M]}) 13... Bf8 {[#] LiveBook: 3 Games} 14. Nf1 $146 ({Predecessor:} 14. c5 bxc5 15. dxc5 Nd7 16. Qc2 g6 17. b4 e5 18. b5 Bxc5 19. bxc6 Rxc6 {1-0 (40) Abergel,T (2509)-Meszaros,T (2432) Harkany 2008}) 14... g6 {The position is equal.} 15. Ne5 Bg7 16. Ne3 dxc4 17. N3xc4 b5 18. Ne3 Nb4 19. Rxc8 Qxc8 20. Qc1 Nbd5 21. Qxc8 Rxc8 22. Bd3 a6 23. Rc1 Rxc1+ 24. Bxc1 Nb4 25. Bb1 (25. a3 $15 Nxd3 26. Nxd3) 25... Be4 $1 $17 {[%cal Re4b1]} 26. Bxe4 (26. a3 $17 {keeps fighting.} Bxb1 27. axb4) 26... Nxe4 $19 ({Much less strong is} 26... Nxa2 27. Bxg6 hxg6 28. Bb2 $15) 27. a3 {[#]} Bxe5 $1 28. axb4 Bxd4 {[%mdl 4096] Endgame KBN-KBN} 29. Kf1 Bc3 30. Nc2 Nf6 31. Be3 Nd5 32. Bc5 f5 33. Ke2 e5 34. g3 Kf7 35. f3 Ke6 36. Kd3 Bb2 37. Ne1 Ba3 38. Nc2 {[#]} Bc1 $1 39. Ne1 h5 40. Kc2 Bh6 41. Nd3 (41. Kd3 $142) 41... e4 42. fxe4 fxe4 {Black is clearly winning.} 43. Ne1 Kf5 44. Kd1 Kg4 45. Ke2 Kh3 46. Nc2 Kxh2 47. Kf2 Kh3 48. Ne1 Bd2 49. Nc2 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 50. Bd6 g4 51. Ke2 e3 52. Kd3 Kg2 53. Ke2 Nc3+ 54. Kd3 Kf3 55. Nd4+ Kf2 56. Be5 Nd5 57. Ke4 Nxb4 58. Bf4 Na2 59. Kf5 Bc3 60. Nc2 e2 {Precision: White = 37%, Black = 91%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.11"]
[White "Curi, Gabriel"]
[Black "Scarella, Enrique Alejandro"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2159"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,100,71,75,45,45,42,53,11,10,-19,24,24,49,50,59,24,30,0,0,0,0,0,4,0,6,9,13,6,32,2,8,1,0,9,41,0,0,8,23,0,17,0,0,14,22,17,29,0,0,0,0,0,0,0,0,0,0,0,212,200,504,504,454,431,639,591,892,874,862,799,29956,29967,29965,29967,29966,29967,29967,29969,29970,29970,29964,29969,29969,29973,29973,29974,29973,29975,29979,29980,29980]} 1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Be2 Nxd5 5. d4 g6 6. Nf3 Bg7 7. O-O {B01: Scandinavian Defence} (7. h3 O-O 8. O-O b5 9. Re1 a6 10. Nbd2 Bf5 11. c3 Nf4 12. Nb3 Nxe2+ 13. Qxe2 Nc6 14. Bf4 Be6 {1-0 (38) Yu,Y (2688)-Thorhallsson,T (2441) Reykjavik 2013}) 7... O-O 8. c4 Nb6 9. h3 {White is slightly better.} c5 10. Be3 cxd4 11. Bxd4 Bxd4 $146 ({Predecessor:} 11... Be6 12. c5 N6d7 13. Ng5 Bf5 14. Nc3 Nf6 {½-½ (30) Vinke,D (2237)-Hartikainen,J (2216) Finland 2002}) 12. Qxd4 Bc6 13. Rd1 (13. Qh4 {looks sharper.} N8d7 14. b3 h5 15. Qg3 e5 16. Ng5) 13... Qxd4 14. Rxd4 (14. Nxd4 {with more complications.} e5 15. Nb5 N8d7 16. N1c3 a5 17. a3) 14... Bxf3 15. Bxf3 Nc6 16. Bxc6 bxc6 17. Na3 Rfc8 18. b3 Kf8 19. Rad1 Ke8 20. Kf1 Rd8 21. Ke2 Rxd4 22. Rxd4 $11 {[%mdl 4096] Endgame KRN-KRN} Rd8 23. Nc2 (23. Rh4 {seems wilder.} h5 24. g4 hxg4 25. hxg4 Nd7 26. Rh8+) 23... Rxd4 24. Nxd4 {KN-KN} Kd7 $1 25. Kd3 e5 26. Ne2 f5 27. b4 h6 28. Nc3 Ke6 29. a4 c5 30. bxc5 Nd7 31. c6 Nc5+ 32. Ke3 Kd6 33. Nb5+ Kxc6 34. Nxa7+ Kb6 $2 {[#]} (34... Kd7 $1 $11) 35. Nc8+ $18 Ka5 $2 (35... Kc7 {is a better chance.}) 36. Ne7 f4+ 37. Kf3 Nd3 (37... g5 $142 38. Nc6+ Kxa4) 38. Nxg6 Kxa4 39. Ke4 Nxf2+ 40. Kxe5 Nxh3 41. Nxf4 {White mates.} Nf2 42. c5 Kb5 43. Kd5 Nd1 {[#]} 44. c6 $1 {[%cal Rc6c7]} Ne3+ 45. Ke4 Nc4 46. c7 Nb6 47. Nd5 Nc8 48. Ke5 Kc6 49. Ke6 Nd6 50. g4 Nc8 {Accuracy: White = 49%, Black = 53%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.12"]
[White "Larrea, Manuel"]
[Black "Lagar, Valentin Alejo"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2269"]
[BlackElo "2196"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,77,8,20,23,26,24,14,20,33,9,58,34,68,52,52,56,60,65,41,36,33,44,53,0,5,0,0,-44,-39,-41,-5,0,0,0,75,16,187,0,0,-38,0,-45,924,924,924,924,924,924,924,816,748,733,728,722,1546,1167,1448,1363,1852,1664,1254,1689,29964,6231,29987,29988]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 a5 7. O-O O-O 8. Bg5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} h6 9. Bh4 g5 (9... Ba7 10. Na3 g5 11. Bg3 Nh7 12. Nb5 Bb6 13. d4 Qf6 {0-1 (127) Harikrishna,P (2725)-Hovhannisyan,R (2637) St Petersburg 2018}) 10. Bg3 {The position is equal.} Bg4 11. Nbd2 Nh7 $146 ({Predecessor:} 11... Qd7 12. Bb5 Ba7 13. Nc4 Nh5 14. Kh1 f5 15. Ncxe5 Nxg3+ 16. hxg3 dxe5 {0-1 (27) Haria,R (2441)-Storme,I (2271) Stockholm 2019}) 12. Re1 Qf6 13. Qb3 Bb6 14. h3 Bd7 15. d4 h5 16. Bd5 g4 17. hxg4 hxg4 18. Bxc6 ({White should try} 18. Nh2 $14) 18... Bxc6 19. dxe5 Qh6 20. exd6 {Black must now prevent Nd4.} gxf3 21. Nxf3 Qe6 22. c4 Bc5 23. dxc7 Bxe4 (23... Nf6 $11 {keeps the balance.}) 24. Nd2 ({Better is} 24. Ne5 $1 $16 Ng5 25. Rad1) 24... Nf6 $2 {[#]} (24... f5 $1 $11 {and Black stays safe.}) 25. Nxe4 $2 ({White should play} 25. Bh4 $1 $18 Qg4 {[%mdl 64] Double Attack} 26. Qh3 Qxh3 27. gxh3) 25... Nxe4 $11 26. Qxb7 Rfe8 27. Rad1 {Qxa8! is the strong threat.} Qg4 $2 {[%mdl 8192] [#]} (27... Qf5 $15 28. Rxe4 Qxe4) 28. Qxa8 $1 $18 {[%mdl 576] Remove Defender, Decoy} Rxa8 29. Rd8+ {[%mdl 64] Double Attack} Kh7 30. Rxa8 Qxg3 {[#]} 31. Rh8+ $1 {[%mdl 512]} Kg7 {[#]} (31... Kxh8 32. c8=Q+) 32. Rg8+ $1 {[%mdl 576] Skewer, Decoy, Promotion} Kxg8 33. c8=Q+ Kh7 {[#]} 34. Qxc5 $1 {[%mdl 512]} Qg6 (34... Nxc5 35. fxg3) 35. Qxa5 Ng5 36. Qd5 Nh3+ 37. Kf1 Ng5 38. f4 Qa6 39. Qf5+ {Accuracy: White = 46%, Black = 37%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.13"]
[White "Muniz, Rafael"]
[Black "Trois, Francisco R.T."]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2250"]
[BlackElo "2152"]
[Annotator "NA RC"]
[PlyCount "79"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 c6 5. a4 a5 6. h3 Nf6 7. Nf3 O-O 8. Be2 Na6 9. O-O Nb4 10. Qd2 Qc7 11. Bh6 e5 12. Bxg7 Kxg7 13. dxe5 dxe5 14. Rfd1 Be6 15. Rac1 Rad8 16. Qg5 Nd7 17. Rd2 f6 18. Qe3 Nb6 19. Qc5 Rxd2 20. Nxd2 Nc8 21. Bg4 b6 22. Qe3 Bf7 23. Ncb1 Na6 24. Na3 Nd6 25. b3 Nc5 26. Be2 Rd8 27. h4 Qe7 28. Bc4 Nxc4 29. Naxc4 Qa7 30. h5 g5 31. Nxe5 Re8 32. h6+ Kxh6 33. Ng4+ Kg6 34. e5 f5 35. Nf6 Re6 36. Nf3 f4 37. Qe2 Qe7 38. Nh4+ gxh4 39. Qh5+ Kg7 40. Qxh7+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.14"]
[White "Barreto, Ignacio C. de Barro"]
[Black "Meza, Anahi"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2212"]
[BlackElo "2058"]
[Annotator "NA RC"]
[PlyCount "65"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. Nc3 c5 3. d5 e6 4. e4 exd5 5. e5 Ng8 6. Qxd5 Ne7 7. Qe4 a6 8. Bf4 Ng6 9. Bg3 Be7 10. h4 Nc6 11. Nf3 Nf8 12. O-O-O Ne6 13. Bc4 b5 14. Bd5 Bb7 15. Qg4 h5 16. Qe4 Qa5 17. Kb1 Rb8 18. Ng5 Bxg5 19. hxg5 g6 20. f4 b4 21. Ne2 b3 22. axb3 O-O 23. Be1 Qc7 24. g4 Ne7 25. c4 Bc6 26. gxh5 Rxb3 27. Nc1 Rb7 28. Bc3 Rfb8 29. Rh2 Ng7 30. hxg6 Nxg6 31. Qxg6 Bxd5 32. Qh7+ Kf8 33. cxd5 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.15"]
[White "Coppola, Claudio"]
[Black "Guerrero, Alvaro"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2209"]
[BlackElo "2096"]
[Annotator "NA RC"]
[PlyCount "51"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 O-O 6. Qd2 e5 7. O-O-O Nbd7 8. dxe5 Nxe5 9. Bh6 Bxh6 10. Qxh6 Be6 11. Nge2 c6 12. h4 Ne8 13. Nd4 Qf6 14. h5 Qg7 15. Qe3 Rd8 16. hxg6 Nxg6 17. f4 Bg4 18. Nf5 Bxf5 19. exf5 Nh8 20. Rh3 Nf6 21. Be2 Rfe8 22. Qf2 Kf8 23. Rdh1 b6 24. Bf3 Ng4 25. Bxg4 Qxg4 26. f6 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.16"]
[White "El Ters, Antouan"]
[Black "Suarez, Pedro"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2205"]
[BlackElo "1950"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,84,53,47,45,48,57,22,53,8,34,0,2,5,4,10,-7,-71,-72,-84,-65,-111,-120,-114,-29,-63,-74,-94,-94,-94,-91,-91,-84,-85,-88,-90,-89,-118,-131,-142,-154,-216,-216,-216,-213,-213,-200,-309,-320,-415,-401,-403,-397,-413,-401,-381,-304,-312,-285,-354,-362,-338,-268,-355,-348,-339,-176,-281,-248,-243,-239,-531,-525,-5518,-5527]} 1. e4 d6 2. d4 Nf6 3. Bd3 Nbd7 4. Nf3 e5 5. c3 Be7 6. O-O O-O 7. Re1 c6 {B07: Pirc Defence: Miscellaneous Systems} (7... Re8 8. Nbd2 Bf8 9. Nf1 b6 10. Ng3 Bb7 11. h3 g6 12. Bg5 h6 13. Bd2 Bg7 14. Qc2 Rc8 15. Rad1 exd4 16. cxd4 {0-1 (85) Alekseev,E (2616)-Khismatullin,D (2632) Riadh 2017}) 8. Nbd2 Qc7 9. Nc4 Re8 {The position is equal.} 10. h3 Bf8 11. Bc2 $146 ({Predecessor:} 11. Bg5 g6 12. Qc2 Bg7 13. Rad1 h6 14. Bh4 Nh5 15. dxe5 dxe5 {½-½ (40) Maslova,P (1824)-Popelyshev,I (2095) Samara 2012}) 11... b5 12. Ne3 exd4 13. Nxd4 Nc5 14. Nef5 (14. f3 $11) 14... Ncxe4 $17 15. Bf4 c5 16. Bxe4 Nxe4 17. Ng3 Bb7 ({Reject} 17... cxd4 $6 18. Nxe4 Bb7 19. Qxd4 $11) (17... Nxf2 $17 18. Qf3 Bb7 19. Qxf2 cxd4 20. Qxd4 Qc6) 18. Nxe4 Rxe4 19. Rxe4 Bxe4 20. Nxb5 Qc6 $36 {[%mdl 2048] Black is in control.} 21. Qf1 Rb8 22. c4 a6 23. Nc3 Rxb2 24. Re1 Bf5 25. Rd1 h6 26. Rd2 (26. Kh2 $17) 26... Rxd2 $19 27. Bxd2 Qb7 28. Qe2 Qb2 29. a4 (29. g4 $142 Be6 30. Qd3) 29... Be6 30. a5 {and the idea Nd5 leaves White hopeful.} Qa1+ 31. Kh2 Qxa5 32. Nd5 Qa2 33. Ne3 Qb3 34. f4 f5 35. g4 fxg4 36. hxg4 Bf7 37. g5 hxg5 38. fxg5 g6 (38... Qb2 $142 {White must now prevent ...Qe5+.} 39. Kg1 Be7) 39. Qf2 (39. Ng4 $142) 39... Bg7 40. Ng4 Qxc4 ({Less strong is} 40... Bxc4 41. Nf6+ Kf8 42. Nh5+ Bf7 43. Nxg7 $15) 41. Nh6+ $2 (41. Nf6+ Bxf6 42. gxf6) 41... Kf8 42. Bf4 {[#]} Qxf4+ $1 {[%mdl 512] Accuracy: White = 20%, Black = 61%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.17"]
[White "Hernandez Amura, Gilberto"]
[Black "Durante, Aurelio"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2199"]
[BlackElo "1941"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,53,-16,0,11,47,58,63,50,99,54,45,54,49,42,133,126,125,81,101,101,108,78,108,102,74,79,112,118,127,120,104,56,71,34,103,0,0,0]} 1. e4 e6 2. d3 d5 3. Qe2 Nf6 4. Nf3 Be7 5. g3 O-O 6. e5 Nfd7 7. Bg2 c5 8. O-O Nc6 9. c4 Nb6 10. b3 {C00: French: Unusual White 2nd moves} (10. h4 f6 11. exf6 Bxf6 12. Nbd2 Qd6 13. Nb3 Bd7 14. Be3 Na4 15. Bf4 e5 16. Bg5 dxc4 17. dxc4 Nd4 18. Nfxd4 exd4 19. Bxb7 {0-1 (27) De la Riva Aguado,O (2475)-Leitao,R (2620) Batumi 2018}) 10... f5 11. exf6 Bxf6 12. Bb2 {White is slightly better.} d4 13. Nbd2 e5 14. Ba3 $146 ({Predecessor:} 14. Ne4 Be7 15. Ba3 Bg4 16. h3 Bf5 17. Nfd2 Nd7 {½-½ (31) Pinter,G (2307)-Szeberenyi,A (2287) Paks 1999}) 14... Nd7 15. h4 a5 ({Better is} 15... Be7 $14) 16. Ne4 $16 Qe7 17. Rfe1 Nb4 18. Bc1 Nc6 {[%cal Bb4c6,Bc6d8,Bd8f7][%mdl 32]} 19. Nxf6+ gxf6 20. Bh6 Re8 21. h5 Nf8 {[#]} 22. Nh4 $1 Nd8 23. Bd5+ Kh8 24. Qf3 Nf7 25. Bd2 Ne6 ({Black should play} 25... Nd6 $14) 26. Nf5 (26. Qg2 $16) 26... Neg5 $11 27. Bxg5 {Accuracy: White = 64%, Black = 53%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.18"]
[White "Gomez Troccoli, Martin"]
[Black "Salinas Herrera, Pablo"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1976"]
[BlackElo "2477"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,66,32,-26,-21,-19,-24,-22,-33,-30,-40,-34,-32,-63,-35,-68,-73,-59,-43,-52,-62,-62,-52,-62,-72,-69,-62,-58,-63,-59,-54,-111,0,-15,-12,-55,-41,-44,0,0,0,0,27,20,20,-50,-56,-204,-203,-437,-453,-431,-351,-1050,-1022,-5641,-5606]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. Be3 (7. g4 $14) 7... b5 $11 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 8. a3 Bb7 9. Bd3 Nbd7 {[%cal Bb8d7,Bd7c5,Bc5a4,Ba4c3][%mdl 32] The position is equal.} 10. O-O Rc8 (10... Be7 11. Qe2 O-O 12. Rad1 Nc5 13. f3 Qc7 14. Bf2 Rfe8 15. g4 {0-1 (48) Schulz,L (2317)-Andersen,M (2605) Boeblingen 2018}) 11. f4 Be7 12. Rc1 $146 ({Predecessor:} 12. Qf3 O-O 13. Rae1 Re8 14. g4 g6 15. Nde2 {1-0 (44) Sipos,I (2451)-Ondrus,M (2296) Slovakia 2017}) 12... O-O 13. Qf3 {[#]} Rxc3 $1 {[%mdl 512]} 14. bxc3 Nc5 {[%cal Rf6e4]} 15. c4 bxc4 16. Bxc4 Nfxe4 17. Qg4 Bf6 {[%mdl 1024] Black has compensation.} 18. Nb3 Na4 19. Bd3 Nac3 20. Nd2 d5 21. f5 {[#]} (21. Nb1 $15) 21... e5 ({Better is} 21... h5 $1 $17 {[%cal Rh5g4]} 22. Qf3 exf5 23. Qxf5 g6) 22. Bxe4 (22. Nxe4 {with more complications.} dxe4 23. Bc4 Qe7 24. a4 a5 25. Bb3) 22... dxe4 23. Rb1 Nxb1 24. Rxb1 Qe7 25. Kh2 Kh8 26. Rb6 Rc8 ({Don't go for} 26... Qxa3 $2 27. Nb3 $18) 27. c4 Qxa3 28. Nb3 (28. Rxb7 $11 Qxe3 29. Nxe4) 28... Bc6 $15 29. Bc5 (29. Qe2 $15) 29... Qa2 $19 30. Be7 $2 (30. Bg1 {was called for.}) 30... e3 ({Wrong is} 30... Bxe7 $2 {[#]} 31. f6 $1 $18 {[%mdl 512]}) 31. Nc1 Qc2 32. Bxf6 $2 (32. Ne2) 32... gxf6 33. Ne2 Rg8 {Accuracy: White = 30%, Black = 81%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.19"]
[White "Gemy, Jose Daniel"]
[Black "Rupel, David"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2391"]
[BlackElo "1953"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,55,12,4,49,58,50,48,54,53,52,60,60,4,50,21,60,49,89,95,100,60,79,54,81,74,81,76,68,74,144,123,113,127,228,222,236,250,494,502,553,552]} 1. Nf3 c6 2. g3 d5 3. Bg2 Nf6 4. b3 Bf5 5. O-O Nbd7 6. Bb2 e6 7. d3 {A07: Réti Opening: New York and Capablanca Systems} (7. c4 h6 8. d3 Be7 9. Nbd2 O-O 10. Qc2 a5 11. a3 Bh7 12. Rac1 Re8 13. Qb1 Bd6 14. Rfe1 Qe7 15. Qa1 Qf8 16. d4 Ne4 17. Nxe4 Bxe4 18. Ne5 Nxe5 19. dxe5 Bxg2 20. Kxg2 {½-½ (20) Tadic,B (2563)-Arsovic,Z (2532) Belgrade 2015}) 7... Be7 8. Nbd2 O-O 9. Nh4 {LiveBook: 3 Games. The position is equal.} Bg6 10. Nxg6 hxg6 11. e4 dxe4 12. dxe4 e5 13. Qe2 Qc7 14. f4 (14. Rfd1 $14) 14... exf4 15. gxf4 Rfe8 $146 16. Kh1 Nh7 17. e5 Bf8 18. Nf3 Nc5 19. Rad1 Ne6 20. Nd4 Nxd4 21. Bxd4 Rad8 22. Qc4 c5 (22... a6 $142) 23. Bc3 Rxd1 24. Rxd1 Rd8 (24... g5 $16 25. f5 Rxe5) 25. Bd5 $18 {[%cal Bg2d5,Bd5f7,Bf7g6][%mdl 32] Black must now prevent Bxf7+!} Kh8 26. Rd3 Qd7 $2 {[#]} (26... Qe7 {keeps fighting.} 27. a4 (27. Bxf7 Rxd3 28. cxd3 Qh4 $18) 27... f5) 27. Bxf7 Qe7 28. Bxg6 {Precision: White = 71%, Black = 40%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.20"]
[White "Zapata Charles, Santiago"]
[Black "Soto, Nicolas"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2300"]
[BlackElo "1982"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,67,54,52,62,39,154,125,163,166,381,-7,-14,0,0,0,121,0,0,0,0,-73,-53,-93,-27,-29,-12,-7,721,735,722,722,1041,1027,1275,1385,29995,1356,1309,1284]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Nxd4 10. Qh5+ Ke7 11. exf6+ Nxf6 12. Ng6+ hxg6 13. Qxh8 Kf7 14. O-O e5 {[%cal Be6e5,Be5e4][%mdl 32]} 15. Nb3 Nf5 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} (15... Nxb3 16. axb3 Bf5 17. Bxf5 gxf5 18. Bg5 Bc5 19. Qh3 Qd7 20. Bxf6 Kxf6 21. Rfe1 Re8 22. Qh4+ Kf7 23. Qh5+ {1-0 (47) Aravindh,C (2617)-Gallego Alcaraz,A (2461) Moscow 2018}) 16. Bg5 {LiveBook: 14 Games} e4 17. Be2 {aiming for g4.} Nh6 $146 (17... Be6 $14) ({Predecessor:} 17... Be6 18. Rac1 Qb6 19. g4 Nh6 20. Be3 Qd6 21. g5 Nfg4 22. Bxg4 Nxg4 23. Rc3 {1-0 (69) Hameister,R (2421)-Koehl,R (2271) ICCF email 2014}) 18. Rac1 Qd6 19. f3 Qe5 $2 (19... e3 20. f4 (20. Bxe3 Bd7 $16) 20... Bd7) 20. Be3 $2 ({Not} 20. Bxh6 gxh6 21. fxe4 Bd7 $18) (20. fxe4 $18 Qxg5 21. Rc7+ Be7 22. Rxe7+ $1 {[%mdl 512]} Kxe7 23. Qxg7+ Nf7 24. exd5) 20... exf3 $11 21. Rxf3 Bf5 {White must now prevent ...Nfg4.} 22. Bd4 Qd6 (22... Qxh2+ $1 $11 {remains equal.} 23. Kxh2 Bd6+ 24. Kg1 Rxh8) 23. Re3 ({Better is} 23. Na5 $1 $16) 23... Rd8 24. Be5 $36 {[%mdl 2048] White has some pressure.} Qb6 25. Rc7+ {[#]} (25. Bd4 $1 $11 {keeps the balance.} Bd6 26. Bxb6 Rxh8 27. Bc7 (27. Bxa7 Nhg4 $16)) 25... Bd7 $1 $17 26. Nd4 {[#]} Be7 (26... Re8 $1 $17 {[%cal Re8e5]} 27. Rb3 Qxc7 28. Bxc7 Bc5 29. Qxe8+ Kxe8) 27. Rxd7 $1 $11 Rxh8 {[#]} 28. Rxe7+ $1 {[%mdl 512]} Kg8 $2 {[%mdl 8192]} (28... Kxe7 $11 29. Bc7+ Ne4 30. Bxb6 axb6) 29. Rb3 $18 Qa5 30. Rbxb7 Qe1+ 31. Bf1 Nf5 32. Nxf5 {Intending Rb8+ and mate.} gxf5 33. Bxf6 (33. Rxg7+ $142 Kf8 34. Bd6+ Qe7 35. Rgxe7 Rh6 36. Rh7+ Kg8 37. Rbg7#) 33... Qxe7 34. Bxe7 {Precision: White = 46%, Black = 39%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.21"]
[White "Zaruski, Julio"]
[Black "Sarquis, Maria Belen"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1823"]
[BlackElo "2164"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,144,24,31,22,31,15,30,32,36,13,31,10,33,0,39,0,22,-1,23,-39,-41,-47,-39,-43,-43,-78,-83,-145,-124,-132,-125,-132,-110,-138,-89,-105,-88,-132,-77,-110,-104,-105,-106,-120,-51,-64,-69,-60,-60,-60,-28,-41,-10,-8,-6,-14,-18,-91,-67,-100,-97,-115,-101,-103,-106,-96,-97,-160,-165,-178,-167,-173,-170,-195,-184,-193,-184,-186,-194,-215,-213,-310,-313,-346,-337,-438,-371,-375,-381,-435,-429,-486,-385,-368,-201,-187,-137,-254,-29,-35,0,-456,-456,-455,-450,-445,-440,-399,-376,-413,-405,-434,-399,-406,-402,-485,-373,-454,-398,-405,-394,-400,-385,-4798,-4798,-3052,-2916,-2525,-2700,-2042,-1713,-12792,-10820,-5618,-5193,-29988,-29989]} 1. c4 e5 2. g3 Nc6 3. Bg2 Bc5 4. e3 (4. Nc3 d6 5. e3 a6 6. Nge2 Ba7 7. b3 Nge7 8. Bb2 h5 9. h4 Bg4 10. d3 Qd7 11. Qd2 Rb8 12. Rc1 O-O 13. Ne4 {1-0 (51) Topalov,V (2749)-Grischuk,A (2761) Paris 2017}) 4... a6 5. Ne2 Ba7 6. Nbc3 {A20: English Opening: 1...e5} Nge7 7. d3 d6 8. O-O {White has an edge.} O-O 9. h3 f5 10. Kh2 $146 ({Predecessor:} 10. Nd5 Be6 11. b3 Ng6 12. Kh2 {1-0 (61) Cvitan,O (2529)-Arjun,V (2325) Biel 2007}) 10... Be6 11. Nd5 Qd7 12. Nec3 Nd8 13. d4 Ng6 14. dxe5 (14. b3 $11) 14... dxe5 $15 15. b3 c6 16. Nb4 Qc7 17. Ne2 Nf7 18. Ng1 ({White should play} 18. f4) 18... e4 19. Bb2 Rad8 20. Qe2 Nge5 21. Bc3 Bc5 22. Nc2 Be7 23. Nd4 {[#]} Bc8 $1 24. b4 c5 25. bxc5 Qxc5 26. Rac1 Qxc4 (26... Nd3 $17 27. Rc2 Bd7) 27. Ba5 Qxe2 28. Ngxe2 Rd5 29. Bb6 Nd3 30. Rc3 {next Rxd3! is good for White.} Nfe5 (30... Rd6 {keeps more tension.} 31. Rb1 Nxf2 32. Nf4 Re8 33. Bc5 Rd7) 31. Nf4 Nxf4 $1 32. gxf4 Nd7 $36 {[%mdl 2048] Black fights for an advantage.} 33. Bc7 (33. Ba7 $11 {keeps the balance.} Bc5 34. Bxc5 Nxc5 35. Rfc1) 33... Rc5 34. Rxc5 Nxc5 35. Kg3 Ne6 36. Bb6 Nxd4 37. Bxd4 Be6 38. Rb1 ({Better is} 38. a4) 38... b5 $17 ({Of course not} 38... Bxa2 $6 39. Rxb7 Bf6 40. Bxf6 $11) 39. Rb2 Rc8 40. f3 Ba3 41. Rf2 Bb4 42. Kh2 Bd5 43. fxe4 fxe4 44. Bf1 Rc1 45. Kg2 (45. h4 $142) 45... Kf7 46. f5 Bc3 47. Bb6 Bc4 48. Bxc4+ bxc4 $19 {[%mdl 4096] Endgame KRB-KRB} 49. Rf4 Rb1 50. Ba7 Rb7 51. Bc5 Rc7 (51... Rb5 $142 52. Bd4 Rb2+ 53. Kg3 Be1+ 54. Kg4 Rg2+ 55. Kh5 c3) 52. Ba3 Bd2 {And now ...c3 would win.} 53. Rxe4 (53. Kf2 $17 {only move.}) 53... a5 $2 (53... c3 $19 54. Re6 c2) 54. Kf3 $11 c3 {[#] Hoping for ...c2.} 55. Re6 $2 {[%mdl 8192]} (55. Ke2 $11 {and White is okay.}) 55... c2 $19 56. Ra6 c1=Q 57. Bxc1 Rxc1 {KRB-KR} 58. e4 Rc5 59. Kg4 Bc3 60. h4 Be5 61. Ra7+ Ke8 62. Kg5 Bf6+ 63. Kg4 Kd8 64. h5 h6 65. Ra6 Kc7 66. Re6 $2 (66. Kf4) 66... Re5 67. Ra6 Rxe4+ 68. Kf3 Ra4 69. Ke3 Rxa2 70. Ke4 Kb7 71. Rd6 Ra4+ 72. Kd5 Rd4+ {Accuracy: White = 26%, Black = 55%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.22"]
[White "Granara Barreto, Sebastian"]
[Black "Moccero, Eduardo"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2134"]
[BlackElo "1950"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,48,22,15,76,7,33,0,2,-10,69,49,102,12,14,23,26,7,13,25,12,0,0,0,2,-25,-22,-19,-16,-16,-20,-35,-28,-33,-26,-36,-13,-22,-8,-17,0]} 1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. c3 f6 5. Nf3 e6 6. Bb5 {LiveBook: 5 Games. B00: Queen's Fianchetto Defence, Nimzowitsch Defence} (6. Bd3 Nge7 7. O-O fxe5 8. dxe5 Qd7 9. b4 Bxd3 10. Qxd3 Ng6 11. Re1 Be7 12. b5 Na5 13. Nd4 {½-½ (13) Paehtz,E (2454)-Savina,A (2378) Riga 2017}) 6... a6 (6... Nge7 $11) 7. Ba4 (7. Bxc6+ $1 $16 bxc6 8. O-O) 7... Qd7 8. Bf4 {White is slightly better.} Nge7 9. O-O $146 ({Predecessor:} 9. Nbd2 Ng6 10. Bg3 Be7 11. Qe2 b5 12. Bb3 fxe5 13. Nxe5 Ngxe5 14. Bxe5 O-O 15. O-O Nxe5 16. Qxe5 Bd6 17. Qe2 Qf7 18. Bd1 Qf6 19. Nf3 Be4 20. Ne5 {½-½ (20) Leidig,A (1734)-Raue,T (1818) Germany 2013}) 9... Bg6 (9... b5 $11 10. Bc2 Bxc2 11. Qxc2 Ng6) 10. Nbd2 $14 b5 (10... Bh5 $14) 11. Bc2 (11. Bb3 $16) 11... Bxc2 $11 12. Qxc2 Ng6 13. Bg3 {Black should prevent a4.} fxe5 14. dxe5 Bc5 15. Nb3 Bb6 16. Nbd4 O-O 17. Qd2 Nxd4 18. cxd4 c5 19. dxc5 $1 Bxc5 20. Ne1 Bb6 21. Rc1 Rac8 22. Nd3 Rxc1 23. Rxc1 Rc8 24. b3 Rc7 {Precision: White = 38%, Black = 34%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.23"]
[White "Arcos Facio, Mateo"]
[Black "Malan, Lucia"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2107"]
[BlackElo "1851"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,103,35,29,18,18,6,11,0,20,-7,0,-6,-10,-25,-26,-18,0,0,0,-35,-23,-62,4,18,24,0,0,0,16,0,0,0,15,14,14,14,10,0,110,27,17,12,20,32,27,17,76,0,0,0,0,0,121,119,119,118,24,9,241,233,226,215,437,450,464,424,2131,2063,1877,1593,1477,1239,29978,29979,29982,29981,29982,29983,29984,29985,29985,29986,29986,29985,29987,29988]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Bg4 8. h3 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} Bh5 9. Nbd2 Nd4 10. g4 Nxf3+ $1 {LiveBook: 3 Games} 11. Qxf3 Bg6 12. Nf1 (12. Qg3 d5 13. exd5 Nxd5 14. Nf3 f6 15. Nxe5 fxe5 16. Qxe5 Bf7 17. Bxd5 Bxd5 18. Qxe7 Rf3 19. Qxd8+ Rxd8 20. Re5 Rxh3 21. Rh5 {½-½ (21) Wei,Y (2725)-Bu,X (2711) Ho Chi Minh City 2017}) 12... c6 13. Ne3 $146 ({Predecessor:} 13. Bb3 d5 14. exd5 Nxd5 15. Bxd5 cxd5 16. Rxe5 {1-0 (51) Lyell,M (2235)-Denisik,S Caleta 2013}) 13... Nd7 14. Nf5 Bxf5 15. gxf5 Bg5 16. Kh1 Bxc1 17. Rexc1 Qh4 18. Rg1 Nf6 19. Rg3 Kh8 20. Bb3 d5 (20... Nh5 $15 21. Rg4 Qf6) 21. exd5 $11 e4 22. Qg2 cxd5 23. Rxg7 Qh6 24. Rg3 Nh5 25. Rg4 {[#] Hoping for Rg1.} Rg8 26. Rg1 {[%cal Rg4g8]} ({Wrong is} 26. dxe4 $2 Nf4 $19) 26... Rxg4 27. Qxg4 {Qh4 is the strong threat.} Nf6 28. Qg3 Rg8 (28... Re8 $1 $11) 29. Qh2 (29. Qe3 $16 Qh5 30. dxe4) 29... Rxg1+ 30. Kxg1 {Black should prevent dxe4.} Qg5+ 31. Qg3 Qxf5 32. d4 Nh5 (32... Qh5 $11) 33. Qe5+ ({White should play} 33. Qd6 $16 {[%cal Rd6f8]} Nf6 34. Qe5) 33... Qxe5 34. dxe5 {[%mdl 4096] Endgame KB-KN} Nf4 {White must now prevent ...Kg7.} 35. Kh2 $1 {[%cal Rh2g3] Threatens to win with Kg3.} Kg7 (35... h5 $1 $11 {keeps the balance.}) 36. Kg3 $16 Ne2+ 37. Kg4 d4 38. Bc4 Nc1 $2 {[#]} (38... Ng1 $1 $11) 39. Kf4 $18 d3 40. cxd3 Nxd3+ $2 (40... exd3 {was called for.} 41. Ke3 Kf8) 41. Bxd3 exd3 {KP-KP} 42. Ke3 d2 (42... Kg6 $142 43. Kxd3 Kf5) 43. Kxd2 Kg6 44. Ke3 Kf5 45. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} a5 46. Kf3 {White mates.} h5 47. Ke3 f6 48. exf6 Kxf6 49. Ke4 Ke6 50. f5+ Kf6 51. Kf4 b6 52. h4 {Precision: White = 54%, Black = 29%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.24"]
[White "Pichuaga, Juan Pablo"]
[Black "Baudel, Simon"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2027"]
[BlackElo "1847"]
[Annotator "NA RC"]
[PlyCount "119"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 b6 2. Nc3 Bb7 3. e4 c5 4. Nf3 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be2 Nc6 8. Be3 d6 9. O-O Nf6 10. f3 O-O 11. Qd2 Nxd4 12. Bxd4 Rc8 13. Rfc1 Ne8 14. a4 Bxd4+ 15. Qxd4 a5 16. Nd5 Rb8 17. Qxb6 Qxb6+ 18. Nxb6 Nf6 19. e5 Bc6 20. exf6 Rxb6 21. fxe7 Re8 22. c5 dxc5 23. Rxc5 Rxe7 24. Bc4 Ra7 25. b3 Kf8 26. Rd1 Bd7 27. Re1 Be6 28. Ree5 Bxc4 29. bxc4 Rb4 30. Rxa5 Rxa5 31. Rxa5 Rxc4 32. Kf2 Rc3 33. Ra7 Ra3 34. Kg3 Ra2 35. a5 Kg7 36. Kh3 Kf6 37. g4 Ra3 38. Kg3 h6 39. h4 g5 40. hxg5+ hxg5 41. Ra8 Kg7 42. Kf2 Kf6 43. Ke2 Ke5 44. Ra6 Ra2+ 45. Ke3 Ra3+ 46. Kf2 Ra2+ 47. Kg3 Ra3 48. Ra8 Kf6 49. Ra6+ Ke5 50. Ra7 Kf6 51. Kf2 Ra2+ 52. Kg3 Ra3 53. a6 Kg6 54. Ra8 Kg7 55. Kf2 Kf6 56. a7 Kg7 57. Ke2 Kf6 58. Kd2 Ke7 59. Kc2 Kd7 60. Rf8 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.25"]
[White "Campora, Edgardo"]
[Black "Torella, Rodolfo"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1663"]
[BlackElo "2022"]
[Annotator "NA RC"]
[PlyCount "72"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 Nd7 6. f3 b5 7. h4 h5 8. Nh3 Bb7 9. Nf2 Ngf6 10. O-O-O Rc8 11. Kb1 c6 12. Bg5 Qc7 13. g3 c5 14. dxc5 Nxc5 15. Nd3 Na4 16. Nxa4 bxa4 17. Rh2 O-O 18. Bh6 a5 19. Bxg7 Kxg7 20. Nc1 d5 21. exd5 Qxg3 22. Qf2 Qxf2 23. Rxf2 Nxd5 24. Rd4 Nb6 25. a3 Rfd8 26. Rxd8 Rxd8 27. c3 Bc6 28. Kc2 Nd5 29. Kd3 Nb6+ 30. Kc2 e5 31. Bd3 f5 32. Be2 Kf6 33. Nd3 e4 34. Nc5 e3 35. Rg2 Rd2+ 36. Kc1 Bb5 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.26"]
[White "Dotta, Gian Franco"]
[Black "Augoustis Funti, Alexis"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1896"]
[BlackElo "1984"]
[Annotator "NA RC"]
[PlyCount "39"]
[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 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 c5 8. Ne5 cxd4 9. Bb5+ Nd7 10. Qf3 Qe7 11. Bg5 f6 12. O-O-O a6 13. Bxd7+ Bxd7 14. Qxb7 Rd8 15. Rxd4 Qc5 16. Rxd7 Qxe5 17. Rhd1 Qxg5+ 18. Kb1 f5 19. Qc6 Qf4 20. Rxg7+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.27"]
[White "Benoit, Rodrigo"]
[Black "Pena Canapa, Alfredo"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2189"]
[BlackElo "1867"]
[Annotator "NA RC"]
[PlyCount "57"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 Be7 6. O-O c5 7. Nc3 O-O 8. dxc5 Nbd7 9. c6 bxc6 10. e4 Nb6 11. Bd3 Qc7 12. Qe2 e5 13. h3 h6 14. Be3 Rd8 15. Rac1 Qd7 16. Nxe5 Qe6 17. f4 c5 18. Nb5 Ba6 19. Bxc5 Bxc5+ 20. Rxc5 Qxa2 21. Kh2 Bxb5 22. Bxb5 Rd4 23. Bd3 Na4 24. Rc2 Nb6 25. Nc6 Rd7 26. e5 Re8 27. Qf3 Nh7 28. Bf5 Rb7 29. Nb4 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.28"]
[White "Barandiaran, Gabriel"]
[Black "Munoz Perez, Rolando"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1836"]
[BlackElo "2130"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,89,0,0,0,-3,-3,-6,0,-4,17,0,13,10,158,162,177,181,191,183,170,145,181,175,169,177,216,225,250,254,268,241,256,249,227,239,243,214,227,231,218,203,221,178,295,183,363,357,341,310,3102,2559,5002,4998,4894,4576,29987,29988,29988,29989,29989,29984,29986,29987,29983,29984,29984,29985,29990,29984,29984,29984,29993,29994,29994,29995,29995,29992,29992,29993,29993,29994]} 1. b4 Nf6 2. Bb2 e6 3. b5 b6 4. Nf3 Bb7 5. e3 Be7 6. Be2 {LiveBook: 4 Games. A00: Irregular Openings} O-O (6... a6 7. a4 axb5 8. axb5 Rxa1 9. Bxa1 d6 10. d4 Nbd7 11. O-O Qa8 12. Nbd2 g5 13. Ne1 g4 {0-1 (40) Bogdanovich,S (2602)-Nouri,H (2344) Ho Chi Minh City 2017}) 7. O-O a6 8. a4 {The position is equal.} c6 9. c4 d5 $146 ({Predecessor:} 9... d6 10. d4 axb5 11. axb5 Rxa1 12. Bxa1 cxb5 13. cxb5 {½-½ (29) Glenne,B (2250)-Ernst,T (2485) Gausdal 1994}) 10. d4 Nbd7 11. Nc3 Rc8 (11... axb5 $11 12. axb5 Rxa1 13. Qxa1 c5) 12. cxd5 $16 exd5 13. bxa6 Ba8 14. Qb3 Re8 15. Rfc1 Bd6 16. Ba3 Bb8 17. Rab1 $36 {[%mdl 2048] White is in control.} Ne4 18. Nxe4 dxe4 19. Nd2 c5 20. Bc4 Qf6 21. dxc5 bxc5 22. Bb2 Ne5 23. Rd1 Qf5 24. Bxe5 $1 Bxe5 25. Nf1 h5 26. Bd5 h4 (26... Bxd5 $142 27. Rxd5 (27. Qxd5 c4 $16) 27... Qe6) 27. h3 g5 $2 {[#]} (27... Bxd5 28. Rxd5 c4) 28. Nh2 $18 Bxh2+ 29. Kxh2 Rb8 $2 (29... Re7 30. Bxa8 Rxa8) 30. Qxb8 Rxb8 31. Rxb8+ Kg7 32. Rxa8 Qxf2 33. Ra7 {White mates.} Qg3+ 34. Kh1 g4 35. Bxf7 gxh3 36. Be6+ Kf6 37. Bxh3 Qxe3 38. Rad7 Qa3 39. a7 Qxa4 40. Kh2 e3 41. R1d6+ Kg5 42. Rf7 {[%csl Gh3][%cal Rf7f5]} Qe4 43. Rf5+ Qxf5 44. Bxf5 e2 45. Re6 {Precision: White = 77%, Black = 26%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.29"]
[White "Silva Rosas, Natalia"]
[Black "Vazquez, Facundo"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "1830"]
[BlackElo "2019"]
[Annotator "NA RC"]
[PlyCount "70"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. f4 Nf6 2. Nf3 g6 3. g3 d5 4. d3 Bg7 5. Bg2 O-O 6. O-O Nc6 7. c3 Re8 8. d4 e6 9. Qe1 b6 10. h3 Na5 11. b4 Nc4 12. Na3 Nd6 13. g4 Nfe4 14. Ne5 c5 15. Nc2 Bb7 16. bxc5 bxc5 17. dxc5 Nxc5 18. Be3 Nce4 19. Bd4 f6 20. Rb1 Qc7 21. Nd3 e5 22. fxe5 fxe5 23. Be3 Nxc3 24. Rb3 Nce4 25. Na3 d4 26. Rxb7 Qxb7 27. Nc5 Qe7 28. Nxe4 Nxe4 29. Bc1 Nc3 30. Bxa8 Rxa8 31. Qd2 e4 32. Qc2 Qe6 33. Rf4 d3 34. exd3 exd3 35. Qg2 Rc8 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.30"]
[White "Quevedo, Andreina"]
[Black "Siddeley, Hugh"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1819"]
[BlackElo "1968"]
[Annotator "NA RC"]
[PlyCount "120"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nce7 9. Be3 Nxd5 10. Qxd5 Be6 11. Qd3 d5 12. Nxb5 Qa5+ 13. Nc3 d4 14. Bxd4 exd4 15. Qxd4 Nf6 16. Bd3 Bb4 17. a3 Bxc3+ 18. Qxc3 Qxc3+ 19. bxc3 Ke7 20. Rb1 Ra7 21. Kd2 Rd8 22. f3 Nd7 23. Rb4 Nc5 24. Rhb1 Rad7 25. Ke2 Nxd3 26. cxd3 Rxd3 27. Rb7+ Ke8 28. Rc7 Rd2+ 29. Kf1 Rd1+ 30. Rxd1 Rxd1+ 31. Ke2 Ra1 32. f4 g6 33. Ke3 Rxa3 34. Kd4 Ra4+ 35. Ke5 Rc4 36. Ra7 Rc6 37. f5 gxf5 38. exf5 Bc8 39. g4 Kf8 40. Kd4 Kg7 41. c4 h5 42. h3 hxg4 43. hxg4 Rd6+ 44. Ke5 Rd7 45. Ra8 f6+ 46. Ke6 Rc7+ 47. Kd6 Rxc4 48. Ra7+ Kf8 49. Ra8 Ke8 50. Kd5 Rc1 51. Kd6 Kd8 52. Ra7 Rd1+ 53. Kc6 Rd7 54. Ra8 Rg7 55. Kb6 Rxg4 56. Ra7 Rb4+ 57. Kc6 Rb7 58. Ra8 Rb5 59. Ra7 Bb7+ 60. Kd6 Kc8 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.31"]
[White "Ortiz, Jorge"]
[Black "Araque, Jairo"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1809"]
[BlackElo "1961"]
[Annotator "NA RC"]
[PlyCount "71"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Nxf7 Nxf7 7. Bxf7+ Kxf7 8. Qh5+ g6 9. Qxc5 d6 10. Qg5 Qxg5 11. Bxg5 Re8 12. f3 Kg7 13. O-O Be6 14. a3 Ne5 15. Nd2 h6 16. Bf4 g5 17. Bxe5+ dxe5 18. Rf2 Re7 19. g3 Rf8 20. Kg2 c5 21. b3 Rc7 22. Nc4 Bxc4 23. bxc4 Rf6 24. Rb1 Ra6 25. Rb3 Ra4 26. f4 gxf4 27. gxf4 exf4 28. Rxf4 Rxc4 29. Rg3+ Kh7 30. Rf2 Rg7 31. e5 Re7 32. e6 Rc3 33. Rg4 Rg7 34. Rf7 Rxc2+ 35. Kg3 Rc3+ 36. Kg2 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.14"]
[Round "7.32"]
[White "Reolon, Victor"]
[Black "Escofet, Jaime"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1714"]
[BlackElo "1957"]
[Annotator "NA RC"]
[PlyCount "118"]
[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. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bf4 O-O 8. c5 b6 9. Qb3 Nc6 10. cxb6 axb6 11. Bb5 Na5 12. Qc2 Bd7 13. O-O Nc4 14. Bxd7 Qxd7 15. b3 Na3 16. Qd3 Rac8 17. Rfc1 Qb7 18. Nd2 Rc6 19. h3 Rfc8 20. Nf3 Nd7 21. g4 Bd6 22. Bxd6 Rxd6 23. Nb5 Nxb5 24. Qxb5 Rdc6 25. Rxc6 Qxc6 26. Qxc6 Rxc6 27. Kf1 f6 28. Ke2 Kf7 29. Kd2 Ke7 30. h4 e5 31. Re1 Kd6 32. g5 b5 33. Rg1 Ra6 34. Ra1 b4 35. Ke2 Ke7 36. Kd2 Kd6 37. Ke2 Nf8 38. Ne1 Ne6 39. dxe5+ fxe5 40. Nd3 Nd4+ 41. Kd1 Nc6 42. Rc1 e4 43. Nf4 Rxa2 44. Nh5 g6 45. Nf6 Rxf2 46. Ne8+ Ke7 47. Rxc6 Kxe8 48. Rc7 Rf7 49. Rc5 Rd7 50. Rc8+ Ke7 51. Rb8 Ke6 52. Rxb4 Ke5 53. Rb8 d4 54. b4 Kf4 55. b5 Ke3 56. b6 Rf7 57. b7 d3 58. Kc1 d2+ 59. Kd1 Rf1+ 0-1

[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 "1-0"]
[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 "8.20"]
[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 "8.21"]
[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

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.1"]
[White "Roselli Mailhe, Bernardo"]
[Black "Tristan, Leonardo"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2434"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,21,-4,-9,-22]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. c4 c6 7. b3 h6 8. Bb2 O-O 9. Nbd2 Nbd7 10. Re1 Bh7 {LiveBook: 48 Games} 11. cxd5 {A12: English Opening: 1...c6 with b3 by White} {Predecessor:} cxd5 $146 12. Ne5 Qb6 13. Ndf3 Rfc8 14. Bd4 Bc5 15. Bxc5 Rxc5 16. Rc1 Rac8 17. Qd2 Nxe5 18. Nxe5 Qc7 19. Rxc5 Qxc5 {0-1 (77) Kayumov,S (2505)-Goloshchapov,A (2586) Dubai 2014} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.2"]
[White "Mareco, Sandro"]
[Black "Alonso, Salvador"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2664"]
[BlackElo "2502"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,89,54,31,65,72,77,66,81,56,70,68,71,70,66,61,74,70,70,70,70,64,91,51,69,49,79,61,60,0,0,-15,-8,-14,42,25,43,41,70,23,44,36,55,0,0,0,3,0,50,56,138,129,138,138,151,145,181,194,189,177,257,257,258,247,247,241,240,229,239,241,328,311,538,551,715,720]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2} d6 8. Nxc6 bxc6 9. O-O-O {LiveBook: 10 Games. White is slightly better.} e5 $146 ({Predecessor:} 9... Nf6 10. Qg3 Nh5 11. Qh4 Nf6 12. g4 Be7 13. g5 Nd7 14. f4 Rb8 {1-0 (37) Anand,V (2776)-Leenhouts,K (2499) Bastia 2016}) 10. Bc4 Nf6 11. h3 Be6 12. Qe2 Bxc4 13. Qxc4 Be7 14. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Qb7 15. f4 {[%cal Bf2f4,Bf4f5,Bf5f6][%mdl 32]} O-O 16. g5 Nh5 17. f5 $1 Rfc8 18. f6 Bf8 $1 19. Qd3 g6 20. Rh2 Rd8 21. Kb1 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 22. Ka1 (22. a4 $14) 22... a4 $1 $11 23. Bc1 Ra5 24. Qf3 Qc8 (24... d5 $11) 25. h4 Qe6 26. Rhd2 $36 {[%mdl 2048] White has some pressure.} Nf4 27. Ne2 (27. h5 $5) 27... Nxe2 28. Rxe2 d5 $1 29. exd5 (29. Rf1 $14) 29... Raxd5 30. Rde1 Rd1 31. Kb1 Rxe1 32. Rxe1 Rd4 (32... a3 $14) 33. h5 $16 gxh5 34. Qxh5 Qf5 35. Qe2 e4 36. c3 e3+ 37. Qc2 Qxc2+ (37... Rd5 $142 38. Bxe3 Qxc2+ 39. Kxc2 h6 40. gxh6 Rh5 41. Rg1+ Kh7) 38. Kxc2 $18 {[%mdl 4096] Endgame KRB-KRB} Rd5 39. Bxe3 h6 40. gxh6 Kh7 41. Rh1 Rf5 42. Rh4 Rf3 43. Bd2 Rxf6 $2 {[#]} (43... Rf2 {might work better.} 44. Rxa4 Bxh6) 44. Rxa4 Rf2 45. Rf4 {Precision: White = 63%, Black = 54%.} 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.3"]
[White "Hernandez Guerrero, Gilberto"]
[Black "Felgaer, Ruben"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "2533"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,90,8,21,0,0,0,0,0,2,4,38,10,34,-40,-18,-29,-27,-13,-18,-45,-42,-48,-46,-49,-33,-56,-46,-52,-60,-58,-33,-33,-27,-37,-7,-50,-48,-40,-24,-47,-47,-47,-47,-47,-42,-42,-47,-49,-40,-49,-40,-55,-53,-47,-39,-42,-37,-177,-39,-40,-40,-54,-56,-45,0,0,0,-6,-6]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Nc3 d6 7. O-O Nc6 8. Be3 Be7 9. f4 O-O 10. Kh1 Bd7 11. Qe1 b5 12. a3 Qb8 13. Bd3 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3} (13. b4 Nxd4 14. Bxd4 e5 15. Be3 Bc6 16. Bd3 Qb7 17. fxe5 dxe5 18. Bg5 Ne8 19. Bd2 Nd6 20. g4 Rad8 {0-1 (52) Hansen,E (2593)-Van Wely,L (2650) Linares 2014}) 13... b4 14. axb4 Nxb4 15. Qe2 Rc8 16. g4 $146 ({Predecessor:} 16. Bg1 Nxd3 17. cxd3 Qb7 18. e5 Nd5 19. Qf3 Rc7 20. Ne4 dxe5 21. fxe5 {½-½ (39) Mednis,E (2460)-Da Cunha,M (2410) New York 1984}) 16... g6 17. g5 Nh5 18. Qf2 (18. Bc4 $14) 18... Nxd3 $15 19. cxd3 Qb7 20. Kg1 Ng7 21. Ra2 Rf8 22. Qg2 Bd8 23. Ra3 Rb8 24. Rfa1 a5 25. Nb3 a4 26. Nd2 Qxb2 27. Nxa4 Bxa4 28. Rxa4 Bb6 29. Qf2 Bxe3 30. Qxe3 d5 31. R4a2 Qc3 32. Ra3 Qc2 {[#] Hoping for ...d4!} 33. R3a2 Rb2 34. Rxb2 Qxb2 35. Rf1 Rc8 36. Nf3 Rc2 37. exd5 exd5 38. Qe5 Ne6 39. Qxd5 Nxf4 40. Qd8+ Kg7 {[#] ( -> ...Rg2+)} 41. Qf6+ $1 {[%mdl 512]} Qxf6 42. gxf6+ Kg8 43. Ne5 Nd5 44. Ra1 {Ra8+ would kill now.} Nxf6 45. Ra8+ Kg7 {Accuracy: White = 58%, Black = 77%.} 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.4"]
[White "Bitelmajer, Martin"]
[Black "Rodriguez Vila, Andres"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2453"]
[BlackElo "2486"]
[Annotator "ChessBase"]
[PlyCount "78"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 e6 2. c4 Nf6 3. g3 c5 4. d5 exd5 5. cxd5 Bd6 6. Nc3 O-O 7. Nf3 Bc7 8. Bg2 d6 9. O-O a6 10. a4 Re8 11. Nd2 Nbd7 12. b3 Rb8 13. Qc2 b5 14. e4 Ba5 15. h3 Qc7 16. Nd1 c4 17. bxc4 bxa4 18. Rxa4 Nc5 19. Ra3 Bd7 20. Bb2 Ba4 21. Qc1 Bb4 22. Re3 Qa5 23. Nc3 Nfd7 24. Nf3 Rbc8 25. Nxa4 Nxa4 26. e5 Ndb6 27. Re4 Nc3 28. Bxc3 Bxc3 29. Qf4 dxe5 30. Nxe5 Bxe5 31. Rxe5 Rxe5 32. Qxe5 Nxc4 33. Qe7 Qd8 34. Qxd8+ Rxd8 35. Rc1 Ne5 36. Ra1 Rd6 37. Ra5 Nd7 38. Bf1 Nf6 39. Rxa6 Rxa6 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.5"]
[White "Ricardi, Pablo"]
[Black "Lopez Azambuja, Nicolas"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2479"]
[BlackElo "2320"]
[Annotator "ChessBase"]
[PlyCount "103"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. d3 Bf5 5. Nbd2 h6 6. O-O e6 7. b3 Be7 8. Bb2 O-O 9. Re1 Bh7 10. e4 a5 11. a3 Na6 12. exd5 cxd5 13. Nd4 Qb6 14. N2f3 Bc5 15. c3 Rfe8 16. b4 Bf8 17. Qd2 Nb8 18. Ne5 Nbd7 19. Nxd7 Nxd7 20. Bh3 Bg6 21. Nb3 axb4 22. cxb4 Qb5 23. Bf1 Qa4 24. Qd1 Rac8 25. Nd4 Qxd1 26. Raxd1 Nb6 27. Rc1 Na4 28. Ba1 Be7 29. Nb5 Kf8 30. f4 Nb6 31. Bd4 Rxc1 32. Rxc1 Na8 33. Kf2 f6 34. Be2 Kf7 35. h4 Bf8 36. Be3 Rd8 37. g4 Ke8 38. h5 Bf7 39. g5 fxg5 40. fxg5 hxg5 41. Bxg5 Be7 42. Bf4 Kd7 43. d4 Rh8 44. Nc7 Nb6 45. Bb5+ Kd8 46. h6 Nc4 47. hxg7 Rh4 48. Kg3 Rh7 49. Ne8 Nxa3 50. Bc7+ Kc8 51. Bd6+ Kd8 52. Bxe7+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.6"]
[White "Larrea, Manuel"]
[Black "Salinas Herrera, Pablo"]
[Result "0-1"]
[ECO "B94"]
[WhiteElo "2269"]
[BlackElo "2477"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,86,9,17,10,10,10,34,31,33,30,27,14,32,36,27,14,0,0,18,0,14,25,35,17,103,79,129,75,175,66,129,78,150,-37,79,77,70,70,89,0,0,-14,-12,-12,-12,-8,-19,-13,-18,-116,-108,-196,-189,-185,-187,-229,-240,-245,-251,-228,-85,-85,-61,-63,-70,-291,-267,-340,-334,-349,-218,-192,0,-480,-421,-512,-512]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. Qe2 {B94: Sicilian Najdorf: 6 Bg5 Nbd7} h6 8. Bh4 g6 9. f4 {White is slightly better.} e5 (9... Qc7 10. O-O-O Bg7 11. g4 e5 12. fxe5 Nxe5 13. h3 Be6 14. Qf2 Nfd7 {½-½ (26) Carlsen,M (2842)-Svidler,P (2753) Biel 2018}) 10. fxe5 dxe5 11. O-O-O Qc7 12. Nb3 $36 {[%mdl 2048] White has some pressure.} b5 13. Nd5 Nxd5 14. exd5 Bd6 {[#]} 15. Qd2 $146 O-O 16. Qxh6 Re8 17. Kb1 Bf8 (17... Bb7 $1 $11) 18. Qd2 $16 e4 19. Be2 (19. d6 $142 Qb6 20. Be2) 19... Bg7 (19... e3 $16 20. Qd4 Bb7) 20. Bg3 ({White should play} 20. d6 $18 Qc6 21. Qe3) 20... Qd8 (20... Qa7 $14) 21. Rhf1 (21. Qf4 $142) 21... Nb6 (21... e3 $142 22. Qb4 Nb6) 22. Na5 $2 ({White should try} 22. Qf4 $1 $16 {[%cal Rf4f7]} Bf5 23. d6) 22... f5 (22... Bf5 $15) 23. c3 e3 24. Qd3 Qf6 25. Bf4 (25. Bc7 $16) 25... b4 $1 $11 {[%cal Rb4c3]} 26. Bxe3 {Strongly threatening d6.} bxc3 27. bxc3 Qxc3 28. Qxc3 Bxc3 29. Bxb6 Rxe2 30. Nc4 (30. Rf3 $11 {remains equal.} Rb2+ 31. Kc1) 30... Rb8 {[%mdl 1024] White must now prevent ...Re4. Black has strong compensation.} ({Of course not} 30... Rxg2 $6 31. Rg1 $11) 31. Rf3 (31. Rd3 $17 Bg7 32. Rb3) 31... Bg7 $1 $19 32. Rb3 f4 $1 ({Weaker is} 32... Rxg2 33. Bd4 $11) 33. Nd6 Bd7 ({And not} 33... Rxg2 34. Nxc8 Rxc8 35. d6 $16) 34. Bd4 Rxb3+ 35. axb3 {intending Bxg7.} Bf8 (35... Rxg2 $19 {is more deadly. ...Bxd4 is the strong threat.} 36. Bxg7 Kxg7) 36. Nc4 $17 Bf5+ 37. Ka1 Rxg2 38. Rd2 $2 (38. Re1 $15) 38... f3 $19 39. Rxg2 fxg2 40. Ka2 Be4 41. d6 {[#]} Kf7 $2 (41... Bc6 $1 $19 {Threatens to win with ...Bb5.} 42. Bf2 Bb5) 42. Ne5+ $2 {[%mdl 8192]} (42. d7 $1 $11 {and White stays safe.} Be7 {[#]} 43. Nd6+ $1 {[%mdl 576] Double Attack} Ke6 44. Nxe4) 42... Ke6 43. d7 Be7 {Accuracy: White = 34%, Black = 39%.} 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.7"]
[White "Hoffman, Alejandro"]
[Black "Fiora, Emilio"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2461"]
[BlackElo "2190"]
[Annotator "RC"]
[PlyCount "143"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. O-O O-O 6. b3 Ne4 7. Bb2 Bf6 8. Ne1 d5 9. f3 Nd6 10. Nd3 Nd7 11. Nd2 c5 12. e3 Qb6 13. c3 Re8 14. Kh1 Nf7 15. Re1 e5 16. Qc2 Qd8 17. Nxc5 Nxc5 18. dxc5 e4 19. f4 Be6 20. b4 b6 21. Nb3 Bd7 22. Rad1 Bb5 23. Bf1 Bxf1 24. Rxf1 a5 25. a3 a4 26. Nd4 bxc5 27. Nxf5 g6 28. Nh4 Bxh4 29. gxh4 c4 30. Qd2 Qxh4 31. Qxd5 Rad8 32. Qxc4 Qh3 33. Qe2 Rd3 34. Rxd3 exd3 35. Qxd3 Rxe3 36. Qa6 Rd3 37. Qa8+ Rd8 38. Qg2 Qh5 39. c4 Nd6 40. Bf6 Rd7 41. Re1 Kf7 42. Bg5 Nf5 43. Qc6 Ng3+ 44. Kg1 Ne2+ 45. Kg2 Qg4+ 46. Kf2 Rd2 47. Ke3 Rc2 48. Qf6+ Kg8 49. Qd8+ Kf7 50. Qe7+ Kg8 51. Qe8+ Kg7 52. Bf6+ Kh6 53. Qf8+ Kh5 54. Qc5+ g5 55. Qxg5+ Qxg5 56. fxg5 Nc1 57. c5 Nb3 58. Re2 Rc1 59. Ke4 Kg6 60. Kd5 h6 61. Rg2 hxg5 62. Bxg5 Rd1+ 63. Kc4 Kf5 64. h4 Ke4 65. Re2+ Kf5 66. Re8 Ra1 67. c6 Ra2 68. Re3 Nd2+ 69. Kb5 Nb1 70. Kxa4 Rc2 71. b5 Nc3+ 72. Kb3 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.8"]
[White "Coppola, Claudio"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "1-0"]
[ECO "A56"]
[WhiteElo "2209"]
[BlackElo "2426"]
[Annotator "NA"]
[PlyCount "117"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 Nbd7 7. Be2 O-O 8. O-O Ne8 9. Ne1 Bg5 10. Nd3 a6 11. g3 Bxc1 12. Rxc1 b5 13. cxb5 axb5 14. Nxb5 Rxa2 15. Na3 f5 16. Qb3 fxe4 17. Qxa2 exd3 18. Bxd3 Bb7 19. Nb5 Qb6 20. Ra1 e4 21. Be2 Ne5 22. Qa7 Qxa7 23. Rxa7 Bxd5 24. Re7 Nc6 25. Rxe8 Rxe8 26. Nc7 Rb8 27. Nxd5 Rxb2 28. Bc4 Ne5 29. Ne3+ Kf8 30. Bd5 Nf3+ 31. Kg2 Nd2 32. Ra1 Ke7 33. Ra7+ Kf6 34. Ng4+ Kg6 35. Ra6 Kf5 36. Ne3+ Ke5 37. Ra4 Rb4 38. Ra2 Rd4 39. Bg8 Nf3 40. Bxh7 d5 41. Ra5 Ne1+ 42. Kh3 Nd3 43. Ng4+ Kd6 44. Ra6+ Kc7 45. Ra7+ Kb6 46. Rxg7 c4 47. Rf7 c3 48. Ne3 Nb4 49. Rf6+ Kb5 50. Rf8 Rd3 51. Rb8+ Ka4 52. Bf5 Rd2 53. Rc8 c2 54. Nxc2 Nxc2 55. f3 Ne3 56. fxe4 Nf1 57. e5 Rxh2+ 58. Kg4 d4 59. Rc4+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.9"]
[White "Gemy, Jose Daniel"]
[Black "Coro, Lucas"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2391"]
[BlackElo "2284"]
[Annotator "NA"]
[PlyCount "157"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 Nf6 2. e3 g6 3. b4 Bg7 4. Bb2 O-O 5. c4 d6 6. d4 c5 7. a3 b6 8. Nbd2 Bb7 9. Be2 cxd4 10. exd4 e5 11. O-O Re8 12. dxe5 Nfd7 13. Qc2 dxe5 14. Ne4 Qc7 15. Rfd1 Bxe4 16. Qxe4 Nc6 17. Rac1 Nd4 18. Nxd4 exd4 19. Qc2 Qd6 20. Bf3 Rac8 21. Qb3 Ne5 22. Bd5 d3 23. g3 Qf6 24. Kg2 Qf5 25. Bxe5 Rxe5 26. Rxd3 Rc7 27. Rf3 Qg5 28. Rc2 Ree7 29. h4 Qe5 30. Re3 Qd6 31. Rd2 Rxe3 32. Qxe3 Qe5 33. Qf3 Qf6 34. Qd3 Qc3 35. Qe2 Qe5 36. Qxe5 Bxe5 37. Re2 Bd4 38. Rd2 Bc3 39. Rd3 Bb2 40. a4 Kg7 41. a5 Bf6 42. a6 Be7 43. c5 bxc5 44. b5 c4 45. Rc3 Bc5 46. Rxc4 Bb6 47. Bc6 Re7 48. Rc2 Ba5 49. Ra2 Bb6 50. Rd2 Ba5 51. Rd6 Bc7 52. Rd3 Bb6 53. Bf3 Re5 54. Rd7 Rxb5 55. Bd5 Kh6 56. g4 g5 57. h5 Rb4 58. f3 Rb2+ 59. Kf1 Rd2 60. Rd6+ Kg7 61. Rxb6 Rxd5 62. Rb7 Rd2 63. Rxa7 Ra2 64. Ra8 Kf6 65. a7 Kg7 66. Ke1 Kf6 67. h6 Ra1+ 68. Kd2 Ra3 69. Kc2 Ra6 70. Kb3 Rb6+ 71. Kc4 Ra6 72. Kb5 Ra1 73. Kb6 Rb1+ 74. Kc6 Rc1+ 75. Kd7 Rd1+ 76. Ke8 Ra1 77. Kf8 Kg6 78. Kg8 Ra6 79. Kh8 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.10"]
[White "Hernandez Amura, Gilberto"]
[Black "Lujan, Carolina"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2199"]
[BlackElo "2357"]
[Annotator "NA"]
[PlyCount "80"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Nf3 Bg7 5. c3 O-O 6. O-O c6 7. a4 b6 8. Re1 Qc7 9. Nbd2 Nbd7 10. Nf1 e5 11. Ng3 a5 12. Qe2 Re8 13. dxe5 dxe5 14. Bc4 Nf8 15. Ng5 Re7 16. Qc2 h6 17. Nf3 Be6 18. Nd2 Rd7 19. Bxe6 Nxe6 20. Nc4 b5 21. Na3 Rb8 22. f3 Bf8 23. Be3 Bc5 24. Qf2 Bf8 25. axb5 cxb5 26. Qf1 Bc5 27. Qf2 Kg7 28. Nf1 Qc6 29. Nc2 Bxe3 30. Qxe3 Qc7 31. Red1 b4 32. Rxd7 Nxd7 33. Qd2 Ndc5 34. Qd5 Rd8 35. Qc4 Qb6 36. Nce3 Nd3 37. cxb4 axb4 38. Ra6 Qd4 39. b3 Nef4 40. Rc6 Ne2+ 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.11"]
[White "Mussanti, Diego"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2305"]
[BlackElo "2256"]
[Annotator "NA"]
[PlyCount "40"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. b3 Qe6 10. Bb2 Bb4+ 11. Nd2 O-O 12. a3 Bxd2+ 13. Qxd2 d5 14. cxd5 cxd5 15. Rc1 f6 16. Rxc7 fxe5 17. Qg5 Nd7 18. Bd3 Qd6 19. Rc2 Ba6 20. Qd2 Bxd3 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.12"]
[White "Zapata Charles, Santiago"]
[Black "Suarez, Pedro"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2300"]
[BlackElo "1950"]
[Annotator "NA"]
[PlyCount "69"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 Qc7 9. Ba2 b6 10. h3 Bb7 11. Nh4 Rfe8 12. Nf5 Bf8 13. dxe5 dxe5 14. Qf3 Nc5 15. Bg5 Ne6 16. Nh6+ gxh6 17. Bxf6 Bg7 18. Bxg7 Kxg7 19. Qg4+ Kh8 20. Qf5 Kg7 21. Qg4+ Kh8 22. Qh4 Kg7 23. Re3 Nf4 24. Rg3+ Ng6 25. Nd1 Qd8 26. Qh5 c5 27. Ne3 Bxe4 28. f3 Bxc2 29. Nxc2 Qd3 30. Bb1 e4 31. Kh2 e3 32. f4 Qf1 33. Nxe3 Qxf4 34. Nf5+ Kf6 35. Bd3 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.13"]
[White "De Dovitiis, Alejo"]
[Black "Trois, Francisco R.T."]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2353"]
[BlackElo "2152"]
[Annotator "NA"]
[PlyCount "59"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. Bxf6 exf6 5. e3 Bb4 6. Nge2 c6 7. a3 Bd6 8. Ng3 Bg6 9. Bd3 O-O 10. Bxg6 fxg6 11. Qd3 f5 12. O-O Nd7 13. Nce2 h5 14. c4 h4 15. Nh1 Qc7 16. g3 dxc4 17. Qxc4+ Kh7 18. d5 hxg3 19. hxg3 Ne5 20. Qc3 Qf7 21. f4 Ng4 22. Nf2 Nxf2 23. Kxf2 Rac8 24. Rac1 Rfe8 25. Nd4 Qxd5 26. Rfd1 Be7 27. Nxc6 Qe6 28. Nxe7 Qxe7 29. Rh1+ Kg8 30. Qb3+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.14"]
[White "Benoit, Rodrigo"]
[Black "Scarella, Enrique Alejandro"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2189"]
[BlackElo "2304"]
[Annotator "NA"]
[PlyCount "70"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 Nxd4 7. Qxd4 Nc6 8. Qc3 Qc7 9. Be3 a6 10. Be2 b5 11. a3 Bb7 12. Nd2 Rc8 13. f4 Na5 14. Qxc7 Rxc7 15. b4 Nc4 16. Bxc4 bxc4 17. c3 Be7 18. a4 O-O 19. b5 f5 20. e5 g5 21. fxg5 Bc5 22. Bd4 Bxd4+ 23. cxd4 axb5 24. axb5 Bd5 25. Rfc1 Rb8 26. Ra5 c3 27. Nb1 c2 28. Nd2 Rc3 29. Kf2 f4 30. Nf3 Be4 31. Ng1 Rb3 32. Ne2 Rb1 33. Ra2 Rxc1 34. Nxc1 Rxb5 35. Ke1 Rb4 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.15"]
[White "Muniz, Rafael"]
[Black "Meza, Anahi"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2250"]
[BlackElo "2058"]
[Annotator "NA"]
[PlyCount "77"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. Qg4 g6 8. Qe2 d6 9. O-O Nc6 10. Na3 Ne5 11. Nc4 Nxd3 12. cxd3 b5 13. Nca5 Bd7 14. Bd2 Nf6 15. Bh6 e5 16. h3 Nh5 17. Kh1 Nf4 18. Bxf4 exf4 19. Qf3 O-O 20. Qxf4 Rc8 21. d4 Rc2 22. Rab1 Re8 23. Qe3 Bh4 24. Qf4 Qe7 25. f3 g5 26. Qe3 g4 27. Qd3 Rf2 28. Rxf2 Bxf2 29. Rf1 gxh3 30. Rxf2 Qh4 31. g3 Qxg3 32. Qf1 Kh8 33. d5 Rg8 34. Nd4 Qh4 35. Nf5 Bxf5 36. exf5 Rg2 37. Rxg2 hxg2+ 38. Kxg2 Qg5+ 39. Kf2 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.16"]
[White "Sosa Macho, Juan Manuel"]
[Black "Lagar, Valentin Alejo"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2079"]
[BlackElo "2196"]
[Annotator "NA"]
[PlyCount "66"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2 b6 9. e4 Nxe4 10. Nxe4 dxe4 11. Qxe4 Bb4+ 12. Kd1 Bb7 13. Bd3 g6 14. h4 h5 15. Kc2 Qe7 16. a3 Bd6 17. b4 Nf6 18. Qe2 c5 19. Ne5 cxb4 20. axb4 Rac8 21. Rxa7 Nd5 22. Kb1 Nf4 23. Qe3 Nxd3 24. Qxd3 Bxe5 25. dxe5 Rfd8 26. Qa3 Rxc4 27. Ka1 Rcc8 28. Bc3 Qc7 29. Kb2 Ra8 30. Ra4 Qc4 31. Rc1 Be4 32. Re1 Rd2+ 33. Kc1 Rc2+ 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.17"]
[White "Curi, Gabriel"]
[Black "Pichuaga, Juan Pablo"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2159"]
[BlackElo "2027"]
[Annotator "NA"]
[PlyCount "81"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Qd5 7. Qf4 Qd6 8. d4 Qxf4 9. Bxf4 Bf5 10. O-O-O e6 11. Nh4 Bg6 12. Nxg6 hxg6 13. c4 Nd7 14. d5 cxd5 15. cxd5 e5 16. Be3 Bd6 17. Bb5 a6 18. Ba4 Ke7 19. h3 Rac8+ 20. Kb1 Rc7 21. Rhe1 b5 22. Bc2 Rhc8 23. Re2 Kf8 24. g3 Re8 25. h4 f5 26. h5 f4 27. Bc1 g5 28. gxf4 exf4 29. Re6 Bc5 30. Rg1 Bxf2 31. Rxg5 Bh4 32. Rf5+ Nf6 33. Bxf4 Rd7 34. a3 Red8 35. Rxa6 Rxd5 36. h6 Rxf5 37. Bxf5 gxh6 38. Bxh6+ Ke7 39. Re6+ Kf7 40. Rb6 Rh8 41. Rb7+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.18"]
[White "Hurtado Bahamonde, Rodrigo"]
[Black "Rupel, David"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2172"]
[BlackElo "1953"]
[Annotator "NA"]
[PlyCount "130"]
[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. e5 a6 4. Nf3 Bf5 5. Be2 e6 6. O-O Nd7 7. c3 c5 8. a3 h6 9. Be3 Ne7 10. dxc5 Nc6 11. c4 dxc4 12. Bxc4 Bxc5 13. Bxc5 Nxc5 14. Nc3 Qc7 15. Qd6 Qxd6 16. exd6 b5 17. Nxb5 O-O-O 18. Nbd4 Nxd4 19. Nxd4 Bd3 20. Rfc1 Kb7 21. Bxd3 Nxd3 22. Rc7+ Kb6 23. Rxf7 Rxd6 24. Nf3 Rhd8 25. h4 R8d7 26. Rf8 Rd8 27. Rxd8 Rxd8 28. Rd1 Rd5 29. b4 Kb5 30. g3 Ka4 31. Kf1 Nxb4 32. Re1 Kxa3 33. Rxe6 a5 34. Ke2 Rd7 35. Ne5 Rc7 36. f4 a4 37. Rb6 Nd5 38. Rb8 Ka2 39. Kd2 Nf6 40. Nd3 Ne4+ 41. Kd1 Rc3 42. Nc1+ Ka3 43. Ne2 Rd3+ 44. Kc1 Nxg3 45. Nxg3 Rxg3 46. Rb7 Rc3+ 47. Kd2 Rf3 48. Rxg7 Rxf4 49. Rg3+ Kb2 50. Rg6 Rxh4 51. Rb6+ Ka2 52. Kc2 Rh2+ 53. Kc1 h5 54. Rb4 a3 55. Rb5 h4 56. Rb8 Rb2 57. Rh8 Rb4 58. Kc2 Rc4+ 59. Kd3 Rg4 60. Kc2 Rg2+ 61. Kc1 Rh2 62. Rb8 h3 63. Rh8 Rh1+ 64. Kc2 h2 65. Kc3 Rc1+ 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.19"]
[White "Escofet, Jaime"]
[Black "Sarquis, Maria Belen"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1957"]
[BlackElo "2164"]
[Annotator "NA"]
[PlyCount "179"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 c5 5. c3 Bd6 6. Bg3 O-O 7. Nbd2 Nc6 8. Bd3 b6 9. O-O Bb7 10. Bh4 c4 11. Bc2 b5 12. e4 dxe4 13. Nxe4 Be7 14. Qe2 Nxe4 15. Qxe4 g6 16. Bxe7 Qxe7 17. Qe3 Qf6 18. Be4 Rab8 19. Rfe1 Rfd8 20. h3 a5 21. a3 Rd6 22. Rad1 Ne7 23. Nd2 Nd5 24. Bxd5 Bxd5 25. Ne4 Bxe4 26. Qxe4 Rd5 27. Qe3 Qe7 28. Qf4 Rbd8 29. Re5 Kg7 30. Rde1 Qf6 31. Qe3 h6 32. f4 h5 33. g3 Qe7 34. Qf3 Qf6 35. Qe4 R8d6 36. Kg2 Qd8 37. Qe2 Qf6 38. Qe3 Rd8 39. Qf3 R8d6 40. g4 hxg4 41. hxg4 Kf8 42. g5 Qe7 43. Qh3 Ke8 44. Qh8+ Qf8 45. Qf6 Qe7 46. Qh8+ Qf8 47. Qh3 Kd7 48. Qe3 Qa8 49. Qf3 b4 50. Kg3 bxa3 51. bxa3 Qb7 52. Qh1 Qb2 53. R1e3 Qb8 54. Qf1 Qb3 55. Qc1 Kc6 56. Kg4 Rd8 57. Re2 Rxe5 58. Rxe5 Rd5 59. Rxd5 Kxd5 60. Qh1+ Kd6 61. Qa8 Qxc3 62. Qd8+ Kc6 63. Qa8+ Kd6 64. Qd8+ Kc6 65. Qa8+ Kc7 66. Qa7+ Kc6 67. Qxf7 Qxd4 68. Qxe6+ Kb5 69. Qxg6 c3 70. Qf5+ Ka4 71. g6 Qg1+ 72. Kh5 Qd1+ 73. Kh6 c2 74. Qe4+ Kxa3 75. Qe7+ Ka4 76. Qe8+ Kb4 77. Qb8+ Kc3 78. Qc7+ Kd3 79. Qd6+ Ke3 80. Qe5+ Kf3 81. Qh5+ Kxf4 82. Qg5+ Ke4 83. Qh4+ Ke3 84. Qg5+ Kf2 85. Qf5+ Kg3 86. Qe5+ Kf3 87. Qf5+ Ke3 88. Qe5+ {Ke2 Qe4+} Kd2 89. Qd4+ Ke2 90. Qe4+ 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.20"]
[White "Granara Barreto, Sebastian"]
[Black "Durante, Aurelio"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2134"]
[BlackElo "1941"]
[Annotator "NA"]
[PlyCount "97"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 c6 2. g3 d5 3. Bg2 dxc4 4. Nf3 f6 5. Qc2 Be6 6. O-O Na6 7. Qc3 Nc7 8. Na3 Bf7 9. Nxc4 e5 10. Ne3 Ne7 11. a3 Ned5 12. Qc2 Nxe3 13. dxe3 Qd5 14. Nd2 Qc5 15. Qxc5 Bxc5 16. Ne4 Be7 17. Nc3 O-O 18. b4 Bc4 19. Bf3 a5 20. Rb1 axb4 21. axb4 Rfd8 22. e4 Nb5 23. Nxb5 Bxb5 24. Be3 Ra2 25. Rfd1 Raa8 26. Rxd8+ Rxd8 27. h4 Kf7 28. Bc5 Rd2 29. Bxe7 Kxe7 30. Kf1 Ba4 31. Ke1 Ra2 32. h5 h6 33. e3 Kd6 34. Bg4 Kc7 35. Be6 Ra3 36. Kd2 Kb6 37. f4 Bb5 38. Bb3 Ra8 39. Kc3 Be2 40. fxe5 fxe5 41. g4 Bxg4 42. Rg1 Bxh5 43. Rxg7 Re8 44. Rh7 Bg6 45. Rxh6 Bxe4 46. Bc4 Re7 47. Rf6 Kc7 48. Rh6 Bf3 49. b5 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.21"]
[White "Arcos Facio, Mateo"]
[Black "Rodriguez Farias, Eduardo"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2107"]
[BlackElo "1935"]
[Annotator "NA"]
[PlyCount "73"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Nf3 Nc6 7. d3 e5 8. Be3 Bd7 9. a4 Be7 10. Nd2 Rc8 11. O-O O-O 12. Nc4 f6 13. Qb3 Kh8 14. Nb5 Nb4 15. Nxa7 Rb8 16. Nb5 Nxb5 17. axb5 Bxb5 18. Ra7 Bc6 19. Bxc6 bxc6 20. Qa4 Re8 21. Rc1 Qd5 22. Nd2 f5 23. Qa5 Rb5 24. Qc7 Bf8 25. Bg5 Qe6 26. Qd7 Qg6 27. Rca1 Rbb8 28. Bh4 Nc2 29. R1a6 Nd4 30. e3 Nb5 31. Rb7 Rbc8 32. Rxb5 cxb5 33. Rxg6 hxg6 34. Qxb5 Re6 35. Qd7 Rce8 36. Nc4 Kh7 37. Bg5 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.22"]
[White "Dotta, Gian Franco"]
[Black "Guerrero, Alvaro"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1896"]
[BlackElo "2096"]
[Annotator "NA"]
[PlyCount "66"]
[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. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 Qh4 7. Be3 h5 8. Nf4 Ne7 9. Ng2 Qxg4 10. f3 Qf5 11. Rc1 h4 12. Nf4 h3 13. Rg1 Rh4 14. Bd3 Rxf4 15. Bxf5 Rxf5 16. Rg5 Nd7 17. Rxf5 Nxf5 18. Kd2 O-O-O 19. Ne2 c5 20. c4 dxc4 21. Bf4 Nb6 22. Ke1 Nxd4 23. Nxd4 Rxd4 24. Bd2 Be7 25. f4 Bh4+ 26. Kf1 Bd3+ 27. Kg1 g5 28. Be3 Re4 29. Bxc5 Be2 30. Qd6 Rxf4 31. Qf8+ Kd7 32. Qd6+ Kc8 33. Qf8+ Kd7 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.23"]
[White "Avedisian, Alexander"]
[Black "Torella, Rodolfo"]
[Result "*"]
[WhiteElo "1921"]
[BlackElo "2022"]
[Annotator "NA"]
[PlyCount "1"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. g3 *

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.24"]
[White "Malan, Lucia"]
[Black "Augoustis Funti, Alexis"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1851"]
[BlackElo "1984"]
[Annotator "NA"]
[PlyCount "107"]
[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. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Qxf6 10. Nf3 Bd6 11. O-O O-O 12. Bg5 Qf7 13. Bh4 h6 14. Bg3 Bb8 15. Bc2 g5 16. Qd2 Qg7 17. Rad1 Ne7 18. h4 g4 19. Ne5 Nf5 20. Bxf5 Rxf5 21. Nxd7 Bxd7 22. Nf4 Qf6 23. Ne2 Bb5 24. Qe3 h5 25. Rfe1 Bxe2 26. Rxe2 Kf7 27. Qb3 b6 28. Qa4 Bxg3 29. fxg3 Rf8 30. Qxa7+ Kg6 31. Qxb6 Rf1+ 32. Kh2 Rxd1 33. Rxe6 Kg7 34. Rxf6 Rxf6 35. Qc7+ Kh6 36. Qe5 Rff1 37. Qg5+ Kh7 38. Qxh5+ Kg7 39. Qxg4+ Kf6 40. Qg5+ Ke6 41. Qe5+ Kf7 42. Qxd5+ Kf6 43. Kh3 Rde1 44. Kg4 Kg6 45. h5+ Kh6 46. Qg5+ Kh7 47. Qg6+ Kh8 48. h6 Re7 49. d5 Rf8 50. Kh4 Rd7 51. Qe6 Rfd8 52. g4 Kh7 53. g5 Kh8 54. g6 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.25"]
[White "Soto, Nicolas"]
[Black "Ramos Correa, Gabriel"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1982"]
[BlackElo "1920"]
[Annotator "NA"]
[PlyCount "95"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 Be7 8. Qd2 O-O 9. g4 Nc6 10. O-O-O Nxd4 11. Bxd4 b5 12. g5 Nd7 13. h4 Bb7 14. Bd3 b4 15. Ne2 a5 16. Kb1 Rc8 17. Rhg1 Ne5 18. Qe3 Nxd3 19. Qxd3 Qc7 20. Bf6 d5 21. e5 Kh8 22. Bxe7 Qxe7 23. h5 a4 24. Rg4 Qc5 25. Nd4 Ra8 26. Qb5 Qe7 27. Nc6 Bxc6 28. Qxc6 Rfc8 29. Qb6 Rab8 30. Qa5 Qc7 31. Qxc7 Rxc7 32. Rdd4 Rcb7 33. Kc1 Kg8 34. h6 g6 35. Rgf4 Kf8 36. b3 axb3 37. axb3 Ke7 38. Kb2 Kf8 39. Rd1 Rc7 40. Rfd4 Ra7 41. Ra1 Rc7 42. Ra4 Rbc8 43. Rd2 Rb8 44. f4 Ke7 45. Rd4 Rbc8 46. Rd2 Rb8 47. Rd4 Rbc8 48. Rd2 1/2-1/2

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.26"]
[White "Gomez Troccoli, Martin"]
[Black "Ruggiero, Alvaro"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1976"]
[BlackElo "1869"]
[Annotator "NA"]
[PlyCount "8"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. e3 e6 3. Bd3 Nc6 4. Nd2 Nb8 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.27"]
[White "Araque, Jairo"]
[Black "Manteiga, Franco"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1961"]
[BlackElo "1502"]
[Annotator "NA"]
[PlyCount "49"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Bg3 c5 6. c3 Nc6 7. Nbd2 O-O 8. Bd3 b6 9. Ne5 Bb7 10. f4 Qc7 11. O-O c4 12. Bc2 b5 13. Bh4 Be7 14. Qf3 Nxe5 15. fxe5 Ne8 16. Qh3 Bxh4 17. Qxh4 h6 18. Rf3 Qd8 19. Qh3 a5 20. Rg3 Kh8 21. Rf1 Qe7 22. Rf4 f6 23. Rh4 f5 24. Rxh6+ Kg8 25. Rh8+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.28"]
[White "El Ters, Antouan"]
[Black "Baudel, Simon"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2205"]
[BlackElo "1847"]
[Annotator "NA"]
[PlyCount "53"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bf5 6. Nc3 c6 7. dxc6 Nxc6 8. d3 Qb6 9. g4 Bg6 10. g5 Nd7 11. Nd5 Qd8 12. Bf4 e5 13. Be3 Ne7 14. Qd2 Nf5 15. Bf2 h6 16. O-O-O Qxg5 17. f4 Qd8 18. Re1 f6 19. fxe5 fxe5 20. Nf3 Bd6 21. Rhg1 Bf7 22. d4 O-O 23. dxe5 Rc8 24. Bb3 Nc5 25. exd6 Nxb3+ 26. axb3 Qxd6 27. Ne7+ 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.29"]
[White "Palacio, Enzo"]
[Black "Munoz Perez, Rolando"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1626"]
[BlackElo "2130"]
[Annotator "NA"]
[PlyCount "76"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 c6 8. h3 b6 9. Qe2 a6 10. Rd1 Qc7 11. d5 cxd5 12. Bxd5 Bb7 13. Bxb7 Qxb7 14. Bg5 Rfc8 15. Nd5 Nxd5 16. Rxd5 Bf8 17. Nh2 h6 18. Bh4 g5 19. Bg3 Nf6 20. Rad1 Nxd5 21. Rxd5 f5 22. Qh5 Qf7 23. Qxf7+ Kxf7 24. exf5 Rxc2 25. Nf3 Rxb2 26. h4 g4 27. Nd2 Rc8 28. Ne4 Rc1+ 29. Kh2 Rbb1 30. Bxe5 Rd1 31. Nxd6+ Bxd6 32. Rxd6 Rxd6 33. Bxd6 Kf6 34. Bf4 h5 35. Be3 Kxf5 36. Kg3 Rb3 37. Kh2 Rxe3 38. fxe3 b5 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.30"]
[White "Vazquez, Facundo"]
[Black "Schnaider, Ilan"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2019"]
[BlackElo "1825"]
[Annotator "NA"]
[PlyCount "105"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O Re8 8. e4 c5 9. d5 Nb6 10. Qd3 e6 11. Bf4 exd5 12. cxd5 a6 13. Rfe1 Ng4 14. a4 Ne5 15. Nxe5 Bxe5 16. Bxe5 dxe5 17. a5 Nd7 18. Qe3 Qe7 19. Red1 Qd6 20. Na4 c4 21. Qc3 b5 22. axb6 Nxb6 23. Nxb6 Qxb6 24. Ra4 Qb3 25. Rda1 Rb8 26. Rxc4 Qxb2 27. Qxb2 Rxb2 28. Rc7 Rb7 29. Rc6 Rb4 30. f3 Bb7 31. Rc7 Rc8 32. Re7 Kf8 33. Rxe5 f6 34. Re6 Kf7 35. Bh3 Rd8 36. d6 Rb6 37. Re7+ Kf8 38. Rxh7 Rdxd6 39. Rc1 Rdc6 40. Rd1 Kg8 41. Rdd7 Rc1+ 42. Kf2 Bc8 43. Rdg7+ Kf8 44. Bxc8 Rxc8 45. Rxg6 Rc3 46. g4 a5 47. Ra7 Ra3 48. Rh6 Kg8 49. Rg6+ Kf8 50. Rh6 Kg8 51. Rh5 Rb2+ 52. Kg3 Rbb3 53. Rf5 1-0

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.31"]
[White "Cardozo, Camila"]
[Black "Siddeley, Hugh"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1459"]
[BlackElo "1968"]
[Annotator "NA"]
[PlyCount "71"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. b3 Bg4 7. h3 Bxf3 8. Qxf3 cxd4 9. exd4 e6 10. Nd2 Rc8 11. Be2 Be7 12. O-O O-O 13. Qg3 Kh8 14. Bg5 Nb8 15. Rac1 Nbd7 16. Qh4 a6 17. Bd3 g6 18. Bh6 Ng8 19. Bg5 Bxg5 20. Qxg5 Qa5 21. c4 Qxa2 22. cxd5 exd5 23. Rxc8 Rxc8 24. Qxd5 Ngf6 25. Qg5 Qb2 26. Bc4 Kg7 27. Qf4 b5 28. Rb1 Qc2 29. Bf1 Nd5 30. Qd6 N5b6 31. Qf4 Nf6 32. Ra1 Nbd5 33. Qg5 h6 34. Qe5 Qxd2 35. Rxa6 Rc2 36. Qd6 0-1

[Event "III Copa Marcel Duchamp 2019"]
[Site "Montevideo"]
[Date "2019.02.16"]
[Round "9.32"]
[White "Muzzi, Eduardo"]
[Black "Alvarez, Miguel"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "1954"]
[BlackElo "1790"]
[Annotator "NA"]
[PlyCount "42"]
[EventDate "2019.02.09"]
[EventType "swiss"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Bd3 g6 7. Nf3 Bg7 8. Be3 O-O 9. O-O Bg4 10. Nbd2 Nc6 11. h3 Bxf3 12. Nxf3 d5 13. c5 Nc4 14. Bxc4 dxc4 15. Rc1 Qd5 16. Qe2 Nxd4 17. Nxd4 Bxd4 18. Rfd1 e5 19. Bxd4 exd4 20. Rxc4 Rfe8 21. Qd3 Re4 1/2-1/2

