[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 "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 "1.16"]
[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 "1.17"]
[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 "*"]
[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 "1.20"]
[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 "1.21"]
[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

