[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.1"]
[White "Delgado Ramirez, Neuris"]
[Black "Parma, Pamela"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2615"]
[BlackElo "1761"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,19,41,28,25,0,8,-1,39,28,87,81,199,199,208,151,127,132,127,135,239,236,229,238,228,227,260,257,287,283,362,362,548,539,856,855,874,790,706,761,719,529]} 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. d3 g6 5. e5 dxe5 6. Nxe5 {[%csl Ge5][%cal Rc4f7] B50: Sicilian: 2...d6, Miscellaneous.} e6 $1 7. Bb5+ Bd7 8. Nxd7 {The position is equal.} Nfxd7 {[#]} 9. Qf3 $146 ({Predecessor:} 9. O-O Bg7 10. Qf3 Qb6 11. Nc3 O-O 12. a4 Ne5 13. Qg3 Nbc6 14. Bf4 Qa5 15. Rae1 {½-½ (23) Cubas,J (2430)-Kropff,R (2282) Asuncion 2008}) 9... Qa5+ (9... a6 $11 {remains equal.} 10. Ba4 (10. Qxb7 Qa5+ 11. b4 Qxb5 $11) 10... Ra7) 10. Nc3 $16 Bg7 (10... Qb6 $16) 11. Qxb7 $18 Bxc3+ 12. Kd1 O-O {aiming for ...Nb6.} 13. bxc3 (13. Qxa8 $2 {loses.} Qxb5 14. bxc3 Nc6 $17) ({Not} 13. Bxd7 $2 Nxd7 14. Qxd7 Rfd8 $19) 13... Nb6 14. c4 $36 {[%mdl 2048] Strongly threatening a4. White is really pushing. White is more active.} Qc3 (14... a6 $16) 15. Rb1 Qd4 16. Be3 Qd6 {[#]} 17. a4 $1 {[%cal Ba2a4,Ba4a5][%mdl 32] Black must now prevent a5.} N8d7 {[#]} 18. Qc6 $1 Qe7 19. a5 Rfc8 20. Qe4 ({Stronger than} 20. axb6 Rxc6 21. Bxc6 Rb8 $14) 20... Nf6 (20... f5 $142 21. Qf4 a6 22. axb6 Nxb6) 21. Qh4 {White is clearly winning.} a6 22. axb6 axb5 23. b7 Qxb7 24. Qxf6 {Bh6 would kill now.} Qxg2 25. Bh6 {Weighted Error Value: White=0.05 (flawless) /Black=0.35} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.2"]
[White "Popov, Mark"]
[Black "Tristan, Leonardo"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1758"]
[BlackElo "2561"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,46,27,32,22,30,-15,26,8,23,-22,-6,-131,-135,-132,-141,-184,-174,-470,-472,-665,-651,-630,-590,-582,-574,-586,-582,-649,-632,-658,-651,-765,-744,-850,-852,-1110,-925,-864,-860]} 1. d4 d6 2. c4 f5 3. Nf3 Nf6 4. Nc3 g6 5. Bg5 Nbd7 6. e3 {A85: Dutch Defence: 2 c4 Nf6 3 Nc3.} Bg7 7. c5 {[#]} (7. Qb3 {is more appropriate.}) 7... c6 $146 (7... dxc5 $142 8. Bc4 c6) ({Predecessor:} 7... dxc5 8. Qb3 c6 9. Bc4 b5 10. Nxb5 cxb5 11. Bxb5 Qa5+ 12. Kd1 Ba6 13. Bc6 c4 {0-1 (21) Wuts,F (2297)-Gurevich,M (2605) Hoogeveen 2001}) 8. b4 {White has an edge.} h6 9. Bf4 (9. Bxf6 $142 Nxf6 10. Qb3) 9... Nh5 10. Nh4 (10. Bg3 $11) 10... Nxf4 $17 11. exf4 {[#]} Nf8 12. Bc4 (12. Rc1 $17 {was necessary.}) 12... dxc5 $19 {[%cal Bd6c5,Bc5b4,Bb4b3][%mdl 32]} 13. Nxg6 $2 (13. Qb3 {was called for.} e6 14. Nf3) 13... Qxd4 {Black is clearly winning.} ({Not} 13... Nxg6 $2 14. Qh5 Qd6 15. bxc5 $19) 14. Bf7+ (14. Qxd4 $142 Bxd4 15. Nxh8 Bxc3+ 16. Ke2 Bxh8 17. Rac1) 14... Kxf7 15. Nxh8+ Kg8 16. Rc1 Qxd1+ 17. Nxd1 cxb4 18. O-O Bxh8 19. Re1 Be6 20. Rc2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32] aiming for ...a4.} 21. Rce2 a4 22. Re3 b3 23. Rg3+ Kf7 {White got outplayed after the opening.  Weighted Error Value: White=0.82/Black=0.19 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.3"]
[White "Perez Ponsa, Federico"]
[Black "Boabaid, Jorge Alberto Duarde"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2553"]
[BlackElo "1756"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,81,20,6,34,37,35,0,4,8,8,0,0,0,15,-21,-8,0,1,-37,0,-29,26,11,45,35,38,0,12,15,50,32,106,50,47,37,65,18,13,20,21,21,123,74,358,320,574,560,687,716,750,556,1114,1104,1066,1039,2640,2218,5669,1626,1950,1828,1711,1527]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 O-O 8. a4 Rb8 9. axb5 axb5 10. Nc3 d6 11. h3 h6 {C84: Closed Ruy Lopez: Unusual White 6th moves.} 12. Be3 {[#]} Nb4 $146 ({Predecessor:} 12... Re8 13. Nd5 Bf8 14. c3 Nxd5 15. Bxd5 Bd7 16. Re1 Qf6 17. d4 exd4 18. cxd4 Nb4 19. e5 dxe5 20. dxe5 {½-½ (69) Caruana,F (2792)-Gagunashvili,M (2573) Warsaw 2021}) 13. Ne2 (13. d4 $5 {[%cal Rd4e5]}) 13... c5 $1 {[%cal Oc5c4] The position is equal.} 14. Ng3 Qc7 15. Bd2 Nc6 16. c3 Be6 17. Bc2 b4 18. Re1 Rfd8 19. Nh4 Bf8 20. Nhf5 Kh7 ({Black should play} 20... d5) 21. Qf3 {[%cal Of5h6]} bxc3 22. bxc3 {[%cal Of5h6]} Rb2 23. Rac1 {[%cal Of5h6]} Ng8 24. Ne3 Nce7 25. d4 Ng6 {[#]} ({Better is} 25... cxd4 $14 26. cxd4 exd4 27. e5+ Kh8) 26. Nd5 ({White should try} 26. d5 $1 $16 {[%cal Rd5e6]} Nh4 27. Qe2 (27. Qh5 Nf6 $16)) 26... Qc8 27. dxc5 dxc5 28. Be3 {White is more active.} (28. c4 $1 $14) 28... N8e7 $11 {[%cal Re7d5]} 29. Red1 Nh4 30. Qh5 {[%csl LRe5,LRh4]} Neg6 (30... Nhg6 $1 $11 {keeps the balance.}) 31. Kh2 {Really sharp!} (31. Bg5 $142 $1 {[%cal Rg5h4]} Bxh3 32. Bxh4 (32. Bxd8 $2 Bg4 $17)) 31... Rxc2 $2 {[%mdl 8192] Loses the game.} 32. Rxc2 $18 f5 $2 (32... Bxd5 33. Rcd2 Qa6 34. Rxd5 Rxd5) 33. Bg5 {White is clearly winning.} Nxg2 34. Bxd8 fxe4 35. Bg5 N2f4 36. Bxf4 exf4 37. Nxe4 {[#] And now Re2 would win.} Bf5 38. Re2 f3 39. Qxf3 {[%cal Oe4f6] Threatens to win with Nef6+!} Qb8+ 40. Ng3 Nh4 41. Qh5 {Weighted Error Value: White=0.26 (precise) /Black=0.57} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.4"]
[White "Masoller, Martin"]
[Black "Hungaski, Robert"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1743"]
[BlackElo "2537"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,71,9,17,14,22,0,0,-19,0,-7,0,-37,0,-15,-15,-28,-21,-44,-27,-37,-35,-24,-12,-33,-18,-22,-21,-19,-25,-56,-53,-60,-66,-63,-57,-72,-62,-70,-70,-73,-62,-116,-104,-96,-77,-108,-78,-76,-74,-95,-92,-152,-150,-150,-143,-147,-105,-181,-176,-641,-635,-29999]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 Ba7 7. Nbd2 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} h6 8. Nf1 d5 9. Ng3 {[#] The position is equal.} Be6 $146 ({Predecessor:} 9... dxe4 10. dxe4 Qxd1+ 11. Bxd1 O-O 12. h3 Be6 13. O-O Rfe8 14. Bc2 Rad8 15. b3 Bc5 {½-½ (30) Lakos,N (2287)-Vajda,S (2342) Hungary 2010}) 10. Ba4 {Strongly threatening Nxe5.} b5 11. Bc2 O-O 12. O-O dxe4 13. dxe4 Bc4 14. Qxd8 Raxd8 15. Re1 Ng4 16. Nh1 Bd3 (16... a5 {seems wilder.} 17. h3 Nf6 18. Ng3 a4 19. Nf5 Bd3) 17. Bxd3 Rxd3 18. h3 Nf6 19. Ng3 Rfd8 20. Be3 Bxe3 21. Rxe3 Rxe3 22. fxe3 Nd7 {Black is more active.} 23. Rd1 g6 24. Kf2 f6 25. Ke2 Kf7 26. Rd5 (26. Nh1 $15) 26... Ke6 27. Rd1 Ra8 28. Nh4 Rg8 29. Nf3 Na5 30. b3 Nb7 31. Rd5 (31. Nd2 $142) 31... Nd6 {[%cal Od6e4]} 32. Rd1 Nc5 33. Nd2 f5 ({Black should play} 33... h5 34. Kf3 a5) 34. exf5+ (34. Kf3 $17) 34... gxf5 $19 35. Kf3 {[#]} (35. Kf2) 35... e4+ 36. Kf4 Nd3# {Weighted Error Value: White=0.66/Black=0.09 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.5"]
[White "Lima, Darcy"]
[Black "Barreto Filho, Carlos Alberto"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2507"]
[BlackElo "2293"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,65,19,20,18,16,24,13,20,15,20,39,10,40,4,48,35,50,50,58,56,41,38,47,25,47,27,48,51,43,39,83,82,98,97,95,52,42,43,93,90,129,141,162,158,185,185,161,155,204,210,197,204,220,18,230,185,374,117]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 Be7 5. Bg2 d6 6. d4 {C47: Scotch Four Knights and Four Knights with 4 g3.} Bg4 7. d5 Nd4 8. Be3 {The position is equal.} Nxf3+ 9. Bxf3 Qd7 {[#]} 10. Qe2 $146 ({Predecessor:} 10. Bxg4 Nxg4 11. Bd2 f5 12. f3 Nf6 13. Qe2 a6 14. O-O-O fxe4 15. fxe4 b5 16. Rdf1 {1-0 (39) Eswaran,A (2095)-Parkhurst Casas,M (1869) San Salvador 2015}) 10... Bh3 11. O-O-O (11. Rg1 $5 {[%cal Rg3g4]}) 11... O-O (11... a6 $11 {deserves consideration.}) 12. Rhg1 {Black must now prevent g4.} Ng4 13. Bxg4 Bxg4 14. f3 Bh5 15. g4 Bg6 16. Qe1 Qd8 17. Bf2 a6 18. h4 {[#] Hoping for h5.} f6 19. Ne2 c5 (19... c6 $14) 20. Ng3 $16 b5 21. Be3 a5 22. f4 (22. Nf5 $16) 22... b4 23. Nf5 Bxf5 ({Black should play} 23... a4 $14) 24. gxf5 Rf7 25. h5 {[%cal Bh4h5,Bh5h6][%mdl 32] White is more active.} exf4 26. Bxf4 Bf8 27. h6 Qe7 28. Rg4 Kh8 (28... Re8 $16) 29. Qg3 $18 {[%cal Of4d6] And now Bxd6! would win.} Rd8 30. Rg1 Rd7 31. Kb1 $2 {[#]} ({White should try} 31. a4 $18) 31... a4 $2 (31... Qxe4 $11 {and Black is okay.} 32. Qd3 (32. Bxd6 $2 Qxd5 33. Bf4 Qxf5 $17) 32... Qxd3 33. cxd3 Rb7) 32. Bd2 Qe5 $2 (32... Rb7 33. a3 Qe5) 33. Qxe5 $2 {Weighted Error Value: White=0.22 (precise) /Black=0.33} (33. hxg7+ $18 {and the rest is easy.} Rxg7 34. Bh6 Qxg3 35. Bxg7+ Bxg7 36. R4xg3) 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.7"]
[White "Santiago, Yago De Moura"]
[Black "Cayetano, Juan"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2494"]
[BlackElo "1725"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,81,27,7,25,25,22,-29,40,47,27,22,65,30,39,15,39,40,48,47,40,15,48,67,58,39,45,16,47,37,120,134,154,99,126,112,127,129,135,133,130,112,180,187,273,258,493,247,705,705,688,660,1763,1766,1790,1762,1759,1775,1508,1479,1299,1175,4902,2077,1189,1096]} 1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. Nc3 c6 5. e3 Bd6 6. Bd3 dxc4 7. Bxc4 Nbd7 8. O-O O-O {8...0-0 has lost popularity.} 9. e4 e5 10. Bg5 Re8 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} 11. Qb3 Qe7 12. dxe5 (12. Bxf6 $142 Qxf6 13. d5) 12... Bxe5 (12... Nxe5 $11 13. Nxe5 Bxe5) 13. Nxe5 $14 Nxe5 14. Be2 {[#]} Neg4 $146 (14... Ned7 $11 {feels stronger.}) ({Predecessor:} 14... Be6 15. Qc2 h6 16. Bh4 Ng6 17. Bg3 Rad8 18. f4 Bc4 19. Bxc4 Qc5+ 20. Qf2 Qxc4 {½-½ (26) Scafarelli,F-Enevoldsen,H Amsterdam 1954}) 15. Bxg4 Bxg4 16. Rfe1 Be6 {[#]} 17. Bxf6 $1 gxf6 18. Qd1 Qc5 19. e5 f5 {Inhibits Ne4.} 20. Qd2 {aiming for Qg5+.} Kh8 21. Qg5 {Strongly threatening Qf6+.} Qe7 22. Qe3 Rg8 23. Ne2 Qg5 {[#]} (23... Qb4 $14) 24. Nf4 $1 $16 Qg4 25. f3 (25. Rad1 $142) 25... Qh4 26. a3 Rad8 27. Rad1 Qg5 28. Rd6 c5 29. Red1 {White is more active.} b6 (29... Rde8 $16 30. Qc1 b6) 30. g3 $18 {[%cal Of4g6] Hoping for Ng6+!} Qe7 (30... Rc8 {was called for.} 31. Kf2 Qh6) 31. R1d2 Qg5 $2 (31... Rde8 32. Nxe6 fxe6) 32. Kf2 ({Weaker is} 32. Ng6+ Qxg6 33. Rxd8 h5 34. Rxg8+ Kxg8 35. Rd8+ Kh7 $18) (32. Rxd8 $142 Rxd8 {[#]} 33. Ng6+ $1 {[%mdl 512]} Qxg6 34. Rxd8+ Kg7 35. f4) 32... Rge8 (32... Rde8 33. Nxe6 Rxe6 34. Qxg5 Rxg5) 33. Nxe6 {White is clearly winning.} Qxe3+ 34. Kxe3 {[%cal Bf2e3,Be3f4,Bf4e5,Be5d6,Bd6c7][%mdl 32]} Rxd6 35. exd6 {[%cal Be5d6,Bd6d7][%mdl 32] White wants to mate with d7.} fxe6 {[%mdl 4096] Endgame KR-KR} 36. d7 Rd8 37. Kf4 Kg7 38. Ke5 Kf7 39. Kd6 a6 40. Kc7 {[%csl LRb6,LRd8]} Ke7 41. Rd6 {Weighted Error Value: White=0.25 (precise) /Black=0.42} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.8"]
[White "Vieira, Alexandre Letizio"]
[Black "Ricardi, Pablo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1719"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,82,0,0,0,26,0,0,0,0,-2,38,22,20,22,27,0,0,-6,0,-25,0,-17,0,-22,-19,-24,0,-76,-39,-25,-38,-33,-36,-43,-39,-35,0,-38,-15,-10,-4,-8,-8,-8,-15,-25,-20,-65,-68,-68,-68,-68,-61,-67,-77,-74,-65,-68,-54,-70,-69,-225,-229,-391,-382,-389,-221]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 O-O 5. Nbd2 d6 6. h3 Nbd7 7. c3 b6 8. Be2 Bb7 9. O-O Qe8 10. a4 {has lost popularity (10.Bh2). A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} a6 11. Qb3 e5 12. dxe5 {The position is equal.} dxe5 13. Bh2 {[#]} h6 $146 ({Predecessor:} 13... Nc5 14. Qc2 Nfe4 15. Bc4 Rd8 16. b4 Nxd2 17. Nxd2 Qc6 18. Nf3 e4 19. Nd4 Bxd4 20. cxd4 Nxa4 {0-1 (59) Pantelic,S (1570)-Karelina,P (1804) Vienna 2022}) 14. Rfd1 Rb8 15. Qa3 Qe6 16. Ne1 Rfd8 17. Bc4 Qe8 18. Qa2 Ra8 19. Bd3 Bd5 20. Bc4 Nc5 21. Bxd5 Rxd5 (21... Nxd5 {with more complications.} 22. Nb3 Nb7 23. Nd2 c6 24. Qb3 Nc5) 22. Nc4 (22. b4 $11 {remains equal.} Ncd7 23. e4) 22... Rxd1 (22... Rad8 $5 {[%cal Rd5d1]} 23. Rxd5 Nxd5 $15) 23. Rxd1 Qxa4 24. Qxa4 Nxa4 25. Bxe5 b5 26. b3 Nc5 (26... Nxc3 $5 27. Bxc3 bxc4 28. bxc4 a5 $15) 27. b4 Na4 (27... Nb3 {is more complex.} 28. Na3 c5 29. Nd3 Rc8 30. Nb1 Rd8) 28. Na5 Ne4 {[%csl LRc3,LRe5]} 29. Bxg7 Kxg7 30. c4 c5 $36 {[%mdl 2048] Black has the initiative.} 31. Nc2 Nb2 {[%csl LRc4,LRd1]} 32. Rb1 (32. Ra1 $11 {feels stronger.}) 32... Nxc4 $15 {Black is more active.} 33. Nxc4 bxc4 34. bxc5 {[%mdl 4096] Endgame KRN-KRN} Rc8 35. Ra1 Nxc5 36. Ra5 Kf6 37. Kf1 Ke7 38. Ke2 Kd6 39. Nb4 $2 {[#]} (39. Na3 $15) 39... Rb8 $19 40. Nxa6 (40. Rxc5 Rxb4 41. Rc8) 40... Rb2+ 41. Kf3 Nd3 {Weighted Error Value: White=0.24 (precise) /Black=0.08 (flawless)} (41... Nb3 $142 42. Ra4 f5) 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.9"]
[White "Perdomo, Leandro"]
[Black "Elena, Eduardo"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2447"]
[BlackElo "1712"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,64,33,37,41,70,25,26,25,56,60,266,272,268,283,275,263,267,267,277,248,251,255,267,275,402,410,452,442,725,666,1130,980,29987,29988,29988,29989,29992,1381,1265,0,1486,1446,29985,29986,29989,29990,29994,29995,29995,29996,29996,29997,29998]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Ne4 6. Bxe7 Qxe7 7. Rc1 O-O 8. Bd3 {D54: Queen's Gambit Declined: 4 Bg5 Be7: Lines without Nf3.} f5 9. Nge2 (9. cxd5 $14 Nxc3 10. bxc3 (10. Rxc3 exd5 11. Nf3 c6 $14)) 9... c6 $11 10. O-O {White has an edge.} Qg5 11. Nf4 {[#]} Rf6 $146 {White now steadily converts the win.} (11... Qh6 $14) ({Predecessor:} 11... Qh6 12. f3 Nxc3 13. Rxc3 Nd7 14. c5 e5 15. dxe5 Nxe5 16. Be2 Bd7 17. Qd4 Rae8 {0-1 (36) Estrada Velandia,H (2049)-Nino Penaloza,C (1889) Risaralda 2021}) 12. cxd5 $18 Nxc3 13. Rxc3 ({Resist} 13. bxc3 $6 exd5 14. c4 dxc4 $16) 13... exd5 {[#]} 14. Nxd5 $1 {[%mdl 512]} Rf7 {Prevents Nc7.} 15. Nf4 Kh8 16. Qb3 Qe7 17. d5 Rf8 18. Rd1 g5 (18... a5 {is a better defense.} 19. Bc4 a4) 19. Ne6 Bxe6 20. dxe6 Rf6 (20... b5 $142 21. Qc2 Qxe6) 21. Bc2 f4 22. exf4 {Threatening mate with Rh3.} gxf4 23. Rh3 h6 24. Qc3 Kg7 {[#]} 25. Qd3 (25. Rxh6 $142 $3 {[%mdl 512]} Kxh6 26. Qh3+ Kg5 27. g3 fxg3 28. Qxg3+ Kh5 29. Rd4 Rf5 30. Bxf5 Qg5 {[#]} 31. Rh4+ $3 {[%mdl 512]} Qxh4 32. Qg6#) 25... Kf8 26. Qc3 $2 (26. Rh4 $18) 26... Na6 $2 {[%mdl 8192]} (26... Kg7 $11 27. Rh4 f3 28. Rg4+ Kf8 29. Rg6 Rxg6 30. Bxg6 Kg8 31. Bf7+ Qxf7 32. exf7+ Kxf7) 27. Rd7 {Rhd3 would kill now.} Qxe6 {[#]} 28. Bb3 $1 {[%mdl 512] White mates.} Qf5 {[#]} (28... Qxd7 29. Qxf6+) 29. Rxh6 $3 {[%cal Rh6h8][%mdl 512]} Qb1+ (29... Ke8 30. Rhh7) 30. Bd1 Qxd1+ 31. Rxd1 Rxh6 32. Rd7 Nb8 {Weighted Error Value: White=0.20 (precise) /Black=0.91} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.10"]
[White "Larrea, Daniela"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "1705"]
[BlackElo "2439"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,58,0,0,-11,-22,-26,-8,-18,-25,-19,13,-10,0,-13,0,-31,-31,-31,-22,-74,-62,-112,-113,-146,-149,-153,-139,-156,-150,-132,-145,-258,-258,-258,-254,-222,-234,-1719,-1398,-4810,-1979]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5 7. O-O O-O 8. Nc3 d6 9. a3 Bxc3 10. Bxc3 a4 11. b4 {[%cal Od4d5] E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} axb3 $1 12. Qxb3 {[#]} Be4 $146 (12... Ne4 {feels hotter.} 13. Bb2 Nd7 14. Qc2 Nef6 15. Rfe1 Be4) ({Predecessor:} 12... Ne4 13. Bb2 Nc6 14. Qc2 Na5 15. Nh4 f5 16. d5 Qe8 17. f3 Nc5 18. e4 fxe4 19. fxe4 {0-1 (27) Iasman,I (1808)-Kazimova,N (2183) Sousse 2021}) 13. Nd2 {The position is equal.} Bxg2 14. Kxg2 d5 15. Qb5 c6 16. Qb3 Nbd7 17. Ra2 Ra6 18. Rfa1 Qa8 19. f3 (19. cxd5 $11 {remains equal.} Nxd5 20. Bb2) 19... Ra4 $17 20. e4 (20. Rc2 $15) 20... dxe4 21. Nxe4 Nxe4 22. fxe4 Qa6 23. Bb4 c5 24. dxc5 bxc5 {[%cal Bb6c5,Bc5b4,Bb4a3,Ba3a2][%mdl 32]} 25. Rd1 (25. Bc3 $17) 25... cxb4 $19 26. Rxd7 Rxa3 ({Stronger than} 26... bxa3 27. Qb5 $17) 27. Rxa3 bxa3 ({Weaker is} 27... Qxa3 28. Qxa3 bxa3 29. Ra7 $11) 28. Qb5 $2 {[#]} (28. Rd2) 28... Qa8 $1 {Strongly threatening ...a2.} ({Not} 28... Qxb5 29. cxb5 Ra8 30. Rd1 $17) 29. Qb7 a2 {Weighted Error Value: White=1.15/Black=0.04 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.11"]
[White "Valerga, Diego"]
[Black "Griselka, Diego"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2431"]
[BlackElo "1685"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,37,3,10,0,8,0,0,0,37,19,82,18,62,43,374,383,881,878,870,866,795,679,731,702,720,712,1945,1402]} 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. exd4 Nf6 6. Nc3 Bd6 7. Nf3 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} Nc6 8. O-O O-O 9. h3 {The position is equal.} a6 10. Re1 Bf5 {[#]} (10... b5 $11 11. Bd3 Bb7) 11. Nh4 $146 ({White should try} 11. Bg5 $16) ({Predecessor:} 11. Bg5 h6 12. Bh4 Be7 13. d5 Nb4 14. Rc1 b5 15. Nd4 Bg6 16. Bb3 Nd3 17. Nc6 Nxe1 18. Nxd8 {1-0 (49) Asadli,V (2478)-Avalyan,A (2268) Chess.com INT 2018}) 11... Qd7 (11... Bd7 $11 {is superior.}) 12. Bg5 $14 {[%cal Bc1g5,Bg5e3,Be3d4][%mdl 32] Threatens to win with Bxf6.} Be7 {[%mdl 8192]} (12... Bg6 $14) 13. d5 $18 Nd8 {[#]} (13... Nxd5 14. Qxd5 Bxg5) 14. Rxe7 $1 {[%mdl 512] White is clearly winning.} Qxe7 15. Nxf5 Qe5 16. Qf3 c6 17. Be3 cxd5 {[#]} 18. Bd4 $1 {This bishop pair is nice.} Qe6 (18... Qxd4 19. Nxd4) 19. Nxd5 {White took control after the opening.  Weighted Error Value: White=0.27 (precise) /Black=0.99} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.12"]
[White "Torales, Agustin"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1682"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,126,0,-2,25,45,41,0,0,10,12,5,17,0,0,0,19,0,3,0,0,-44,-54,-92,-101,-170,-60,-64,-41,-66,-45,-34,-59,-62,-50,-53,-11,-11,-12,-8,0,0,0,0,0,-201,-202,-193,-201,-208,-193,-213,-208,-209,-203,-195,-177,-186,-216,-205,-213,-201,-160,-213,-213,-213,-212,-208,-210,-248,-107,-185,-82,-178,-147,-152,-153,-339,-300,-1141,-1187,-1101,-925,-687,-1075,-1583,-1518,-1270,-1139,-1753,-1666,-1824,-1702,-1500,-1383,-1163,-1160,-9845,-8399,-7187,-5173,-29962,-12344,-29977,-29977,-29976,-29977,-4710,-1392]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 d6 7. Be3 Be7 8. Bc4 a6 9. Ba2 Qc7 10. O-O O-O 11. f4 Na5 {B88: Sicilian: Sozin Attack.} 12. Qe2 b5 13. f5 {[%cal Rf5e6]} (13. g4 $5 {[%cal Rg4g5]}) 13... e5 {The position is equal.} 14. Nf3 Bb7 15. Bg5 Nc4 {[#]} 16. Bxf6 $146 ({Predecessor:} 16. Bxc4 bxc4 17. Kh1 Rab8 18. Rab1 Rfc8 19. Rfd1 Ba8 20. Nd2 h6 21. Bxf6 Bxf6 22. Nf1 {0-1 (61) Perusseau,C (2000)-Guilleux,F (1983) France 2005}) 16... Bxf6 {[%cal Be7f6,Bf6d8,Bd8b6][%mdl 32]} 17. Bxc4 bxc4 18. Qe3 Rfe8 19. Rad1 Rab8 20. g4 (20. Rb1 $11) 20... Ba8 $1 $15 21. g5 {[#]} Bd8 22. f6 (22. Kh1 $17) 22... Qb6 ({Weaker is} 22... gxf6 23. gxf6 Bxf6 24. Kh1 $11) (22... Rxb2 $19 23. Qe2 g6) 23. Qxb6 Bxb6+ 24. Kg2 Bc5 {This bishop pair is nice.} (24... Ba5 $5 {[%cal Rb8b2]} 25. Rxd6 Rxb2 $15) 25. Rb1 Bd4 {Hoping for ...Bxc3.} 26. Kg3 Bxc3 (26... gxf6 {with more complications.} 27. Nd5 Bxd5 28. exd5 fxg5 29. Nxg5 Rxb2 30. Rxb2 Bxb2 31. Ne4 Rd8) 27. bxc3 Bxe4 (27... Rxb1 $15 {feels stronger.} 28. Rxb1 Bxe4) 28. Rxb8 $11 Rxb8 29. Rd1 $1 Bxf3 30. Kxf3 {[%mdl 4096] Endgame KR-KR} Rb6 {[%cal Od6d5]} 31. Ke4 Kf8 32. Kd5 $2 (32. a4 $11 {and White has nothing to worry.}) 32... gxf6 $19 33. gxf6 Ke8 34. Rg1 Kd7 35. Rg7 Rb5+ 36. Kxc4 Ke6 37. Rxh7 Kxf6 38. Rh6+ Ke7 39. h4 Rc5+ 40. Kd3 Ra5 41. h5 (41. c4 $17) 41... Rxa3 42. Rh8 {[#]} Ra1 $1 43. h6 Rh1 44. h7 a5 (44... Rh4 $19 {Strongly threatening ...a5.} 45. c4 a5) 45. c4 (45. Ke4 $17) 45... a4 (45... Rh4 $19 {And now ...a4 would win.} 46. c5 dxc5) 46. c5 (46. Ke4 $17 {is the only way for White.}) 46... dxc5 {aiming for ...Kf6.} 47. Ke4 Kf6 48. Kd5 $2 {Now White is beyond hope.} (48. c4 $17 {was the only chance.}) 48... a3 49. Kxc5 $2 (49. Ra8 Rxh7 50. Rxa3) 49... a2 50. Ra8 Rxh7 51. Rxa2 Rh2 52. Ra6+ Kf5 53. c4 e4 54. Kd4 Rd2+ 55. Ke3 Rd3+ 56. Ke2 Rc3 57. Rc6 Ke5 {...f5 is the strong threat.} 58. Rc5+ Kf4 59. Kd2 Rd3+ 60. Ke2 f5 {( -> ...Ra3)} 61. Rc8 Ra3 62. Rf8 Ra2+ 63. Kf1 Rc2 {Weighted Error Value: White=0.86/Black=0.10 (very precise)} (63... e3 $142 64. Rf7 Rc2) 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.13"]
[White "Hoffman, Alejandro"]
[Black "De la Torre, Andres"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2403"]
[BlackElo "1680"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,47,14,83,76,64,55,100,34,116,96,124,126,130,130,127,121,167,170,204,203,177,164,294,300,272,283,1317,1331,2130,2141,2103,2092,29994,29988]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg5 c5 7. d5 Nbd7 8. Qd2 Re8 (8... Qa5 $11 {keeps the balance.}) 9. Nh3 $16 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6).} Ne5 10. Nf2 a6 (10... Qa5 $14 {is more appropriate.}) 11. a4 (11. Be2 $16) 11... Rb8 ({Black should try} 11... Qa5 $14) 12. Be2 {[#]} h5 $146 ({Predecessor:} 12... Qa5 13. O-O Qb4 14. a5 Nxc4 15. Bxc4 Qxc4 16. Ra4 Qb3 17. Rc1 Bd7 18. Ra3 Qb4 {1-0 (77) Nakamura,H (2686)-Andriasian,Z (2533) ICC INT 2008}) 13. O-O Nh7 14. Bh6 Bh8 15. f4 {[%cal Bf3f4,Bf4f5][%mdl 32] White is more active.} Ng4 {[#]} (15... Nd7 $16) 16. Nxg4 $1 $18 hxg4 {[#]} 17. f5 Bd4+ 18. Be3 Bxe3+ (18... Be5 {is a better defense.} 19. Bh6 (19. Bxg4 Nf6 $16) 19... Nf6) 19. Qxe3 gxf5 20. exf5 e6 $2 (20... Kh8 21. Bxg4 Rg8) 21. f6 exd5 22. Qh6 {[%csl Gf6][%cal Rh6g7]} Nxf6 23. Rxf6 ({Inferior is} 23. Qxf6 Qxf6 24. Rxf6 d4 $11) 23... d4 24. Bd3 {Weighted Error Value: White=0.07 (flawless) /Black=0.84} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.14"]
[White "Amaral, Francisco"]
[Black "Umetsubo, Cesar Hidemitsu"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1672"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,91,8,19,-29,0,-21,0,0,0,-53,-55,-74,-42,-42,-6,-6,-27,-18,-6,-8,-9,-87,-49,-49,-43,-39,-29,-12,-14,-6,-3,-4,-5,0,23,23,8,8,17,25,32,0,0,-14,-14,-14,-14,-101,-92,-112,-108,-111,-77,-78,-67,-219,-212,-212,-212,-212,-212,-224,-256,-245,-275,-221,-56,-60,399,-134,351,-175,-139,-180,0,0,0,-5307]} 1. c4 c5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nc7 6. Nf3 Nc6 7. d3 e5 8. O-O Be7 9. Rb1 {A34: Symmetrical English: 2 Nc3, lines with ...d5.} (9. Nd2 {feels stronger.}) 9... Be6 10. a3 f6 11. Be3 O-O 12. Ne4 {[#]} (12. Nd2 $11) 12... b6 $146 ({Predecessor:} 12... Nd4 13. Nfd2 Rb8 14. b4 cxb4 15. axb4 Nd5 16. Bxd4 exd4 17. Qa4 f5 18. Nc5 Bxc5 19. Bxd5 Qxd5 20. bxc5 {0-1 (48) Hielscher,K (1505)-Oswald,W (1794) Schoenhagen/Uslar 2011}) 13. Nfd2 {[%cal Oe4f6]} Nd5 14. Nc3 Nxe3 15. fxe3 Rc8 16. Qa4 Qd7 17. Rf2 Rfd8 18. Bxc6 (18. Nc4 $11 {remains equal.}) 18... Qxc6 (18... Rxc6 {is interesting.} 19. Qa6 c4 20. Nxc4 Rb8 21. Nb5 Rc5) 19. Qxc6 Rxc6 20. b3 {To avoid c4} a6 {[%cal Oc5c4]} 21. a4 $1 Rb8 22. Rff1 Rc7 23. e4 Ra7 24. Kg2 Kf7 25. Nc4 {[%cal Bd2c4,Bc4e3,Be3d5][%mdl 32] Threatens to win with Nxe5+.} Ke8 26. Nd5 b5 27. Nce3 Bd7 28. Nxe7 Kxe7 29. Nd5+ Kd6 30. axb5 Rxb5 31. b4 (31. Ne3 $11 {keeps the balance.}) 31... cxb4 $17 32. Rxb4 Rxb4 33. Nxb4 {[%mdl 4096] Endgame KRB-KRN} a5 34. Nc2 a4 35. Ra1 ({White must play} 35. Na3 $15) 35... Be6 $1 $19 36. Kf3 Bb3 $1 37. Na3 {aiming for Nb5+.} Kc5 {Inhibits Nb5.} 38. Ke3 Kb4 39. Kd2 Rc7 {Inhibits Nc2+.} 40. e3 Bf7 $2 ({Better is} 40... h5 $19 {Strongly threatening ...Rc8.} 41. d4 g6) 41. Nc2+ $15 Kb3 $2 {[%mdl 8192]} (41... Ka5 $15 {keeps the upper hand.}) 42. Rb1+ $18 Ka2 {[#]} 43. Rb6 {[%mdl 8192]} (43. Kc1 $1 $18 {[%csl Gc1][%cal Rb1b2] is the narrow road to win.} Rxc2+ 44. Kxc2 Bb3+ 45. Kc1) 43... Bb3 $19 44. Nb4+ {[#]} Kb2 $2 (44... Kb1 $1 $19 {And now ...a3 would win.} 45. Ra6 Kb2) 45. d4 $11 Rc4 {[%cal Oc4b4] ...Rxb4! is the strong threat.} (45... a3 $2 46. Nd3+ Ka2 47. Nc1+ Rxc1 48. Kxc1 $18) 46. Nc2 $2 {[%mdl 8192] Weighted Error Value: White=0.31/Black=0.44} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.15"]
[White "Labollita, Martin"]
[Black "Areeb, Jazy"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2388"]
[BlackElo "1665"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,119,31,39,23,11,22,40,-25,41,0,0,-8,-4,-10,19,20,11,13,40,-10,22,22,33,36,19,-12,-11,-12,-8,-21,-5,-53,-29,-27,-29,-29,-26,-41,-48,-58,-54,-99,-32,-63,-81,-76,-58,-104,-90,-115,-106,-100,-98,-168,-137,-145,-166,-239,-232,-225,-219,-293,-285,-306,-299,-341,-271,-261,-110,-149,-135,-163,-100,-125,-76,-63,-62,-70,0,0,0,-66,0,0,0,0,0,0,0,-28,0,0,0,0,485,466,672,664,628,554,885,861,29962,29965,29991,29992,29992,29993,29993,29994,29994,29995]} 1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4 Bg4 5. exd4 cxd4 {[%cal Oe7e5]} 6. h3 {A09: Réti Opening: 1 Nf3 d5 2 c4.} Bxf3 (6... Bh5 {looks sharper.} 7. Qa4+ Nc6 8. g4 Bg6 9. Bg2 Nf6) 7. Qxf3 ({Much weaker is} 7. gxf3 Nd7 $15) 7... Qc7 {[#]} 8. Bd3 $146 (8. c5 $14) ({Predecessor:} 8. Na3 Nc6 9. Nc2 Nf6 10. d3 e5 11. a3 Bd6 12. g3 O-O 13. c5 Be7 14. Bg2 {1-0 (51) Ovchinnikov,V (2380)-Babanin,G (2137) St Petersburg 2017}) 8... g6 (8... e6 $11) 9. Bb2 (9. O-O $14) 9... Bg7 $11 10. Be4 Nc6 {Black wants to play ...Ne5.} 11. Bxc6+ Qxc6 12. Qxc6+ bxc6 13. d3 Rb8 14. Ba3 (14. a3 $14) 14... Kd7 15. Nd2 Nf6 16. Nb3 e5 17. Kd2 Bf8 18. Rhe1 Bd6 19. Rab1 Rhe8 20. Re2 (20. Kc2 $11) 20... Nh5 {Strongly threatening ...Nf4.} (20... Bxb4+ $2 21. Bxb4 Rxb4 22. Nc5+ Kd6 23. Rxb4 $18 (23. Nb7+ Rxb7 24. Rxb7 Nd7 $16)) 21. g3 {To avoid Nf4} a5 (21... Bxb4+ $2 22. Bxb4 h6 23. a3 $18) 22. Nxa5 c5 {[%cal Rc5b4]} 23. Nb3 ({Don't go for} 23. b5 $2 Ra8 24. Bxc5 Rxa5 25. Bxd6 Kxd6 $19) 23... cxb4 24. Bb2 Ra8 25. Ra1 (25. Rbe1 $15 {feels stronger.}) 25... Ra7 (25... Ng7 $17) 26. Kc2 Rea8 27. Kb1 Ng7 28. Bc1 (28. f4 $15 f6 29. Rf2) 28... Ne6 $17 29. Rb2 f5 30. Re2 g5 31. Bb2 (31. Bd2 $17 {was necessary.}) 31... h5 $19 32. Bc1 f4 33. Bd2 (33. g4 $142) 33... fxg3 34. fxg3 Rf8 {Inhibits Rf2.} 35. Kc2 Rf3 36. Be1 Kc6 37. Nd2 Rf8 {...Nc5 is the strong threat.} 38. Ne4 Rfa8 ({Weaker is} 38... b3+ 39. Kxb3 Ra3+ 40. Kc2 $11) (38... Nc5 $1 $19 {[%cal Ob4b3] And now ...b3+! would win.} 39. Nxd6 b3+ 40. Kb1 Nxd3) 39. Kb1 {[#]} Be7 40. Rb2 Rb7 (40... Nc5 $19 41. Nxc5 Bxc5 42. Bxb4 Rf7) 41. Bd2 h4 (41... Nc5 $142 42. Nxc5 Bxc5 43. Bxg5 Rf7) 42. gxh4 $17 gxh4 43. Kc2 Rg8 ({Black should try} 43... Nc5 $1 $15 44. Nxc5 Bxc5) 44. Rf1 $1 $11 Rg2 45. Rf5 ({Better is} 45. Kb1 $11) 45... Bd6 (45... Nc5 $1 $15 46. Nxc5 Bxc5) 46. Rh5 Nc5 47. Nxc5 {Chess con chili.} Bxc5 48. Rh6+ Bd6 49. Kb3 Rg3 50. Kc2 Rxh3 {[%cal Oe5e4]} 51. Rxb4 Rg7 {[%mdl 8192] [#]} (51... Ra7 $11) 52. Ra4 $1 $18 Rd7 (52... e4 $142 53. Ra6+ Kb7) 53. Ra6+ Kc5 54. Ra5+ Kb6 55. c5+ Kb7 56. Rxd6 {White mates.} Rf7 57. Rb6+ Kc8 58. Ra8+ Kd7 59. Ra7+ Kc8 60. Rxf7 {Never resign too early!  Weighted Error Value: White=0.20 (precise) /Black=0.49} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.16"]
[White "Estoyanoff, German"]
[Black "Vitoux, Colomban"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1650"]
[BlackElo "2372"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,45,19,17,-19,-18,-16,-16,-20,4,0,15,21,11,0,0,-61,0,0,-31,-42,-41,-47,-54,-44,-34,-266,-277,-266,-260,-274,-238,-233,-208,-396,-278,-269,-129,-123]} 1. e4 Nf6 2. Nc3 Nc6 3. Nf3 d5 4. e5 Ne4 5. d4 Bg4 {[#]} 6. Qd3 $146 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence.} ({Predecessor:} 6. Be2 e6 7. a3 Be7 8. Be3 Nxc3 9. bxc3 Na5 10. Nd2 Bxe2 11. Qxe2 O-O 12. O-O {0-1 (34) Do Amaral Vailant,H (1411)-Deus Filho,J (1909) Jatai 2021}) 6... e6 7. a3 (7. Nxe4 $2 dxe4 8. Qxe4 Bf5 $19) 7... Bf5 {[%cal Oe4f2] ...Nxf2! is the strong threat.} 8. Qe3 {The position is equal.} f6 9. Bb5 a6 10. Bxc6+ bxc6 11. Bd2 c5 12. Ne2 (12. exf6 $11 gxf6 13. O-O) 12... Rb8 13. b4 {[%cal Rd4c5]} Nxd2 14. Qxd2 cxb4 15. axb4 Bxb4 16. c3 Be7 17. Rxa6 $2 {White does not recover from this.} (17. O-O $15) 17... Rb1+ $19 18. Nc1 {[#]} Bd3 $1 {[%mdl 512]} 19. Ra2 {[#]} (19. Rxe6 $2 {[#]} Qd7 $1 20. Rxe7+ Qxe7 $19) 19... Qb8 {[%cal Oc7c5] Inhibits Rb2. And now ...c5! would win.} 20. exf6 (20. Qd1 Bc4) 20... gxf6 21. Qh6 $2 (21. Qd1 Bc4 22. Rc2) 21... Bc4 {This bishop pair is nice.} ({Weaker is} 21... Qb3 22. Kd2 Rxc1 23. Rxc1 Qxa2+ 24. Kxd3 $15) 22. Rc2 Rg8 ({Stronger than} 22... Qb3 23. Kd2 Qb6 24. Rd1 $17 (24. Qg7 $2 Rf8 $19)) (22... Kd7 $19 {and Black stays clearly on top. aiming for ...Bd3.} 23. Kd2 Qg8) 23. Qxh7 {Weighted Error Value: White=0.47/Black=0.24 (precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.17"]
[White "Coro, Lucas"]
[Black "Castagnet, Carlos"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2355"]
[BlackElo "1641"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,51,91,112,118,107,143,107,124,133,280,293,708,720,733,739,743,733,918,911,934,917,910,890,949,935,913,864,971,921,939,911,1323,1311,1232,1229]} 1. e4 d6 2. d4 Nd7 3. Nf3 e5 4. Bc4 c6 5. O-O Be7 6. dxe5 dxe5 7. Ng5 Bxg5 8. Qh5 g6 9. Qxg5 Qxg5 10. Bxg5 f6 {C41: Philidor Defence.} 11. Be3 g5 12. Nd2 {[#]} h5 $146 {White is better.} ({Predecessor:} 12... Ne7 13. Rfd1 Nb6 14. Bb3 Bg4 15. f3 Bh5 16. Bxb6 axb6 17. Nc4 Nc8 18. Nd6+ Nxd6 19. Rxd6 {1-0 (51) De la Villa Garcia,J (2470)-Durao,J (2215) Seville 1994}) 13. Be2 {White is much more active.} b5 {To avoid Nc4} (13... Nf8 $16 14. Nc4 Ke7) 14. a4 $18 Ba6 {[#]} (14... bxa4 15. Rxa4 Kf7) 15. axb5 {White is clearly winning.} Bxb5 16. c4 {[%cal Bc2c4,Bc4c5][%mdl 32]} Ba4 17. Rxa4 Kf7 18. Rfa1 Nf8 19. c5 Kg6 20. Bc4 Nh6 21. Rxa7 Rxa7 22. Rxa7 Rh7 23. Rxh7 Kxh7 24. Nb3 Ng6 25. Na5 Ne7 26. Be6 {Black got outplayed after the opening.  Weighted Error Value: White=0.08 (flawless) /Black=0.62} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.18"]
[White "Fein, Jorge"]
[Black "Menna Barreto, Felipe Kubiaki"]
[Result "*"]
[ECO "A04"]
[WhiteElo "1638"]
[BlackElo "2351"]
[Annotator "TA"]
[PlyCount "2"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 2,2,54]} 1. Nf3 g6 {An uneventful encounter.} *

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.19"]
[White "Lujan, Carolina"]
[Black "Migens Romero, Juan"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2334"]
[BlackElo "2097"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,65,0,19,12,23,19,28,18,20,14,48,43,101,83,108,106,152,153,152,164,167,144,168,148,166,157,202,199,231,228,255,215,324,322,337,339,278,238,680,678,990,1000,927,850,1278,1258,855,855,864,830,2513,1614,29995,29996,29996,29997,29997,29998]} 1. e4 e6 2. Qe2 c5 3. Nf3 Be7 4. g3 Nc6 5. Bg2 Qc7 6. O-O {C00: French: Unusual White 2nd moves.} Nf6 7. d3 e5 8. c3 {[%cal Od3d4] White has an edge.} O-O {[#]} 9. a3 $146 {[%cal Ba2a3,Ba3a4,Ba4b5][%mdl 32]} ({Predecessor:} 9. Na3 a6 10. Nc2 d6 11. Ne3 Re8 12. Ng5 {½-½ (12) Flechsig,B (1937)-Manthey,J (2060) Ostseebad Binz 2018}) 9... a5 10. a4 b6 (10... d5 $14) 11. Na3 (11. Nfd2 {with more complications.} d6 12. Na3 Bg4 13. f3 Bd7 14. Ndc4) 11... Ba6 12. Nb5 (12. Nh4 {looks sharper.} d6 13. Nf5 Qd7 14. f4 Rfe8 15. Nb5) 12... Bxb5 ({Black should try} 12... Qd8) 13. axb5 $16 Na7 14. c4 Ne8 15. b3 g6 16. Bb2 Bf6 17. h4 Ng7 {[#]} (17... Bg7 $16 18. h5 d6) 18. Nh2 $1 $18 h5 19. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} Ne6 20. Nf3 Nd4 (20... Rae8 $142 21. fxe5 Bg7) 21. Nxd4 cxd4 22. f5 Kg7 23. Rf3 {Hoping for Raf1.} g5 $2 (23... Nc8 24. Ba3 d6) 24. hxg5 Bxg5 25. f6+ Bxf6 26. Rf5 Rh8 27. Raf1 Rh6 28. Qf3 {[%cal Rf5f6]} Qd6 {[#]} 29. Ba3 $1 {[%mdl 576] Deflection} Qxa3 (29... Qe6 30. Bh3) 30. Rxf6 Rf8 31. Rxf7+ {White mates.} Rxf7 32. Qxf7+ Kh8 33. Qe8+ {White took control after the opening.  Weighted Error Value: White=0.09 (flawless) /Black=0.63} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.20"]
[White "Moreno, Nelson"]
[Black "Vazquez, Facundo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1636"]
[BlackElo "2319"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,40,26,-3,5,-65,-33,-58,-35,-33,-36,-31,-32,-49,-8,-13,-12,-13,-11,-10,-15,-8,0,-7,0,-13,-9,-131,-143,-108,-115]} 1. d4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 O-O 5. e3 d6 6. Be2 Nbd7 7. Nbd2 b6 {[#] A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} 8. e4 $146 (8. a4 $11) ({Predecessor:} 8. O-O Bb7 9. a4 a6 10. Nc4 c5 11. Nfd2 Qc7 12. Re1 Rfc8 13. Rc1 Ra7 14. Nf1 Qb8 15. Na3 {1-0 (54) Deutsch,E (2352)-Zilberman,Y (2463) Petah Tikva 2011}) 8... Bb7 $15 9. Bd3 Nh5 {Black is slightly better.} (9... c5 $5 {[%cal Rc5d4]}) 10. g3 {To avoid Nf4} c5 11. c3 cxd4 12. cxd4 Nc5 13. Bc2 $11 Ba6 ({Much less strong is} 13... f5 14. exf5 Qd7 15. fxg6 hxg6 16. Qe2 $14) 14. Qb1 Ne6 15. Bd3 Bxd3 16. Qxd3 d5 17. e5 Qd7 {[%cal Oe6f4]} 18. Qe3 {Inhibits Nef4.} f5 19. exf6 (19. Qd3 $11 {remains equal.}) 19... exf6 $17 {[#] ...Rae8 is the strong threat.} 20. O-O Rfe8 {Weighted Error Value: White=0.27 (precise) /Black=0.08 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.21"]
[White "Lopez Azambuja, Nicolas"]
[Black "Reolon, Victor"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2318"]
[BlackElo "1630"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,59,14,21,5,10,-2,17,8,26,39,50,20,52,56,54,45,48,46,99,94,110,111,139,140,140,142,179,105,118,108,139,155,148,66,120,0,180,177,386,286,285,312,306,292,300,289,255,216,215,214,230,218]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 d5 6. Qa4+ {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} Qd7 7. Qc2 Nc6 8. O-O {[#] The position is equal.} O-O-O $146 ({Predecessor:} 8... Nb4 9. Qd1 Bd6 10. Nc3 O-O 11. Bg5 Ne4 12. Nxe4 dxe4 13. Nd2 f5 14. a3 Nc6 {½-½ (48) Herbst,T (1839)-Braun,R (1949) Bayern 2017}) 9. cxd5 Qxd5 10. Rd1 {White wants to play Nc3.} Nb4 {[%csl LRa2,LRc2]} 11. Qa4 {And now Nc3 would win.} a5 12. Nc3 Bc6 13. Qxb4 axb4 (13... Bxb4 $14 14. Nxd5 Bxd5) 14. Nxd5 $16 exd5 15. Bf4 Nh5 16. Bd2 Be8 17. Ne5 f5 18. Bg5 (18. a3 $18) 18... Nf6 19. Bh3 $36 {[%mdl 2048] Black is under strong pressure.} Bg6 20. Rdc1 Kb7 21. Rc6 (21. Nc6 $16 Rc8 22. Bf4) 21... Rd6 (21... Bd6 $14) 22. Rcc1 {White is much more active. Black has bad knights.} ({Better is} 22. Rc2 $16) 22... Ne4 $2 (22... Rd8 $1 $11 {and Black is okay.}) 23. Bf4 $18 Re6 $2 {[#]} (23... Be7 24. a3 b3 25. Nxg6 hxg6) 24. Rxc7+ $3 {[%mdl 512]} Kxc7 25. Nxg6+ Bd6 26. Nxh8 Bxf4 27. gxf4 Rf6 28. f3 Nd6 29. Kf2 {Threatens to win with Rg1.} Rf8 {[#]} 30. Rg1 $1 {Weighted Error Value: White=0.20 (precise) /Black=0.34} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.22"]
[White "Montiel Caceres, Helen"]
[Black "Spata, German"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1625"]
[BlackElo "2300"]
[Annotator "RC"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. b3 Bd6 7. Bd3 O-O 8. O-O b6 9. Bb2 Bb7 10. Qe2 c5 11. cxd5 exd5 12. Rfd1 a6 13. Rac1 Re8 14. Na4 c4 15. Bf5 b5 16. Nc5 Bc6 17. b4 Qc7 18. g3 g6 19. Bb1 Re7 20. h4 a5 21. Bc3 Rae8 22. Qe1 Bxg3 23. Nxd7 Bxd7 24. Ne5 Bxh4 25. bxa5 Ng4 26. Rd2 f6 27. Bb4 Nxe5 28. dxe5 Rxe5 29. Rd4 Rg5+ 30. Kf1 Qh2 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.23"]
[White "Coppola, Claudio"]
[Black "Vassallo, Julio"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2285"]
[BlackElo "1623"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,45,32,41,29,43,25,77,75,112,124,156,154,187,159,360,375,387,352,504,451,604,622,844,837]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. g3 d6 7. Bg2 g6 8. b3 Bg7 9. Bb2 O-O 10. Nh3 Nbd7 11. O-O Qb6 12. Bc3 Rfb8 13. Nd2 {[#] A58: Benko/Volga Gambit: Lines with 5 bxa6.} Qa7 $146 ({Predecessor:} 13... h6 14. Re1 Ng4 15. Bxg7 Kxg7 16. Qc2 Nde5 17. Rab1 Qa7 18. Qc3 Kg8 19. a4 Nf6 20. Nf4 Rb4 {½-½ (35) Ritsema,R (2391)-Kural,A (2325) ICCF email 2012}) 14. Re1 Nb6 (14... Ng4 $11 {remains equal.} 15. Bxg7 Kxg7) 15. e4 $16 {White is better.} Rd8 16. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Bb7 17. Nf4 Re8 18. h4 e6 $2 {[#]} (18... Nbd7 $16 {was worth a try.} 19. Bf1 Ba6 20. Bxa6 Qxa6) 19. dxe6 $18 fxe6 20. a5 Nbd7 (20... Nc8 {was called for.} 21. a6 Bc6 22. Bxf6 Bxf6) 21. Nc4 {White is clearly winning.} Rad8 22. Nxd6 Nf8 23. e5 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.03 (flawless) /Black=0.83} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.24"]
[White "De Cuadro, Dionisio"]
[Black "Carbone, Diego"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1621"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,91,0,-1,0,-62,-70,-60,-58,-57,-67,-129,-34,-42,-23,-32,-32,-26,-34,-36,-15,-24,-13,-20,-23,-90,-90,-107,-99,-106,-110,-122,-95,-178,-150,-147,-97,-88,-97,-83,-78,-128,-111,-95,-114,-144,-63,-62,-34,-29,-8,-8,-8,-17,-8,-8,-8,-61,-70,-231,-241,-339,-248,-390,-393,-1206,-1142,-1113,-1132,-29977,-29978,-6091,-1663,-1096,-683,-671,-624,-29971,-1548,-1018]} 1. d4 Nf6 {[%cal Bg8f6,Bf6d5,Bd5b6,Bb6c4][%mdl 32]} 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d5 6. cxd5 Nxd5 7. e4 Nb6 8. Nc3 Bg4 {D74: Fianchetto Grünfeld: Main Line (5 Nf3 0-0 6 cxd5 Nxd5 7 0-0).} 9. Be3 ({Better is} 9. d5 $11) 9... Nc4 $1 $15 {[%cal Oc7c5]} 10. Qb3 {[%csl LRb7,LRc4]} Nxe3 {Black is slightly better.} 11. fxe3 {[#]} c5 $146 ({Predecessor:} 11... Nd7 12. O-O c5 13. e5 cxd4 14. exd4 Qb6 15. Nd5 Qxb3 16. Nxe7+ Kh8 17. axb3 Nb6 {0-1 (33) Vlckova,K (1947)-Petrova,K (2256) Prague 2017}) 12. Rd1 (12. Qxb7 $15 Nd7 13. O-O) 12... Nd7 (12... cxd4 $17 {...Nc6 is the strong threat.} 13. Qxb7 Qc8 $1 14. Qxc8 (14. Qxa8 $2 {loses.} dxc3 15. Qxa7 c2 $19) 14... Rxc8 15. exd4 Nc6) 13. O-O Bh6 {This bishop pair is nice.} 14. Nd5 e6 15. Nf4 Qb6 16. Qxb6 axb6 17. a3 g5 18. Ne2 Bh5 $36 {[%mdl 2048] Black has the initiative.} 19. h3 (19. Rd3 $11 {remains equal.}) 19... g4 $17 20. hxg4 Bxe3+ 21. Kh1 Bxg4 {Black is more active.} 22. Rd3 Bh6 23. Nc3 (23. Nf4 $17) 23... Rad8 24. d5 Bxf3 (24... Bg7 $142 25. Rd2 h5) 25. Bxf3 Ne5 26. Rdd1 Nc4 {Strongly threatening ...Ne3.} 27. Rf2 (27. dxe6 $142 fxe6 28. Rxd8 Rxd8 29. Bg4) 27... Be3 28. Rh2 Bd4 29. a4 Ne5 (29... Rfe8 $17 {aiming for ...Bxc3.} 30. Rf1 exd5 31. Nxd5 Nxb2 32. Nxb6 c4) 30. Be2 $15 Bxc3 31. bxc3 c4 32. Rh5 f6 33. Rd4 exd5 34. exd5 Ra8 35. Bd1 ({White should play} 35. Rdh4 $11) 35... b5 36. Bc2 {Now White is beyond hope.} (36. axb5 $15 Ra3 37. Bc2 (37. Bg4 Rfa8 $17)) 36... bxa4 $19 37. Bxh7+ (37. Kg2 {might work better.}) 37... Kg7 38. Bf5 (38. Bb1 $142 Rh8 39. Rxh8 Rxh8+ 40. Kg2) 38... Rh8 39. Rxh8 (39. g4) 39... Rxh8+ {[%mdl 4096] Endgame KRB-KRN} 40. Kg2 {[#]} Rh2+ $3 {[%mdl 512]} 41. Kf1 (41. Kxh2 Nf3+) 41... a3 42. Be4 a2 (42... f5 $142 43. Bg2 Ng4 44. Rxc4 Ne3+ 45. Kg1 Rxg2+ 46. Kh1 Nxc4 47. Kxg2 a2 48. g4 fxg4 49. Kg3 a1=Q 50. Kf4 Qxc3 51. Kf5 Qf3+ 52. Kg5 g3 53. d6 Ne5 54. Kh4 Qg4#) 43. Rd1 Kf7 44. Bg2 Ng4 {( -> ...Ne3+)} 45. Re1 {[#] To avoid Ne3+} Rxg2 $1 {[%mdl 512]} 46. Kxg2 {Weighted Error Value: White=0.73/Black=0.57} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.25"]
[White "Miranda, Rafael"]
[Black "Balseca Moreno, Diego"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2264"]
[BlackElo "2269"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,57,19,31,18,67,57,102,24,162,145,256,266,287,286,263,288,262,266,285,293,270,268,372,368,564,559,849,850,827,819,1015,1042,1674,1588,1762,1134,1134,1131,29982,29983,29979,29980]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 exd4 5. Nxd4 Be7 6. Be2 O-O 7. O-O Re8 8. f4 Bf8 9. Bf3 c6 10. Re1 {C41: Philidor Defence.} Qc7 (10... Na6 $11) 11. Be3 $14 b5 {[#]} (11... a5 $14) 12. a3 $146 (12. Ndxb5 $1 $16 {[%mdl 512]} cxb5 13. e5 dxe5 14. Bxa8) ({Predecessor:} 12. Ncxb5 Qd7 13. Nc3 Bb7 14. Nf5 c5 15. e5 Bxf3 16. Qxf3 dxe5 17. fxe5 Nd5 18. Nxd5 {1-0 (37) Skuhala,J (1966)-Srpak,D (1929) Croatia 2014}) 12... Nbd7 {[#] This costs Black the game.} (12... Bb7 $11 {and Black has nothing to worry.}) 13. Nxc6 $1 $18 {[%cal Oe4e5,Bd4c6,Bc6a7,Ba7b5,Bb5c3,Bc3d5][%mdl 32] e5! is the strong threat.} Bb7 (13... a6 $16 14. Nb4 Bb7) 14. Nxa7 Bxe4 15. Naxb5 Qb7 16. Nxe4 ({Much less strong is} 16. Nxd6 $6 Bxf3 17. Nxb7 Bxd1 $16) 16... Nxe4 17. Nc3 Ndf6 {[%cal Bd7f6,Bf6e4,Be4d2][%mdl 32]} 18. Bxe4 ({But not} 18. Nxe4 Nxe4 19. b4 d5 $18) 18... Nxe4 19. Qd5 Rab8 20. Bd4 Qxd5 (20... Nxc3 {might work better.} 21. Qxb7 Rxe1+ 22. Rxe1 Rxb7) 21. Nxd5 Nd2 22. Rxe8 Rxe8 23. a4 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32]} Re4 24. Bc3 h5 25. Bxd2 Rd4 {[#]} 26. c4 $1 Rxd2 27. a5 {Black must now prevent a6.} h4 28. a6 h3 29. gxh3 {Weighted Error Value: White=0.10 (very precise) /Black=0.92} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.26"]
[White "Dabraccio, Guillermo"]
[Black "Michailov, Matias"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1591"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,60,12,18,-9,-3,-12,0,-12,-12,-18,-8,0,0,-73,-63,-79,-79,-68,-80,-78,-68,-63,-45,-81,-76,-116,-129,-125,-129,-139,-126,-116,-112,-113,-35,-100,-96,-104,-95,-95,-85,-81,-77,-80,-70,-81,-82]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. dxe5 dxe5 8. Bg5 c6 9. Qd2 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} ({Don't play} 9. Nxe5 Qa5 10. Bxf6 Bxf6 $15) 9... Qxd2+ {[#]} 10. Nxd2 $146 ({Predecessor:} 10. Bxd2 Na6 11. Nxe5 Nc5 12. f3 Nfxe4 13. Nxg6 Nxc3 14. Ne7+ Kh8 15. bxc3 Be6 16. g4 {0-1 (46) Beratti,H (1180)-Gazen,L (1000) IECG email 2002}) 10... Na6 11. O-O {The position is equal.} Nc5 12. Be3 Ne6 13. Nb3 Nf4 {[%cal Of6e4] And now ...Nxe4! would win.} 14. Bxf4 (14. Bf3 $11 {remains equal.}) 14... exf4 $17 15. Rad1 Re8 16. f3 Nd7 {Inhibits Nc5.} 17. Rd2 Ne5 18. Rfd1 Bf8 ({Much weaker is} 18... Be6 19. Nc5 $11) 19. Rd8 Be6 {[%csl LRc4,LRd8]} 20. Rxe8 Rxe8 21. Nd2 Rd8 22. b3 Bc5+ 23. Kf1 Kf8 24. Ndb1 Bd4 (24... Rxd1+ $17 25. Nxd1 Ke7) 25. Rd2 (25. Nd5 $1 $15) 25... Ke7 26. Nd1 a6 {[%cal Ba7a6,Ba6b5][%mdl 32]} 27. Na3 b5 28. Nc2 Bb6 {Black is much more active. This bishop pair is nice.} 29. Rxd8 Kxd8 30. cxb5 axb5 {Weighted Error Value: White=0.17 (very precise) /Black=0.06 (flawless)} ({Much worse is} 30... cxb5 $6 31. Nb4 $15) 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.29"]
[White "Curi, Gabriel"]
[Black "Vassallo, Mariano"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2205"]
[BlackElo "1581"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,51,-15,-12,-7,13,4,4,0,4,6,6,0,0,-8,-2,0,38,12,18,20,28,0,305,303,465,447,480,479,482,490,518,488,504,482,495,483,525,509,1016,993,1099,1083,948,861]} 1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Nf3 Bxf4 6. exf4 {D00: 1 d4 d5: Unusual lines.} Nbd7 7. Bd3 c5 8. dxc5 {The position is equal.} Nxc5 9. O-O {[%cal Bh1f1,Bf1e1,Be1e4,Be4d4][%mdl 32]} O-O 10. Ne2 {[#]} Bd7 $146 ({Predecessor:} 10... Qc7 11. Ne5 Nfd7 12. Nxd7 Bxd7 13. Qd2 Rac8 14. c3 a6 15. g3 h6 16. Nd4 Rfe8 {0-1 (54) Dorohin,M (2317)-Sawlin,L (2409) Chess.com INT 2021}) 11. Ned4 Re8 12. Re1 Nxd3 13. Qxd3 Qc7 14. Ne5 Ne4 15. Nb3 {Pair of Knights!} (15. Rad1 {is interesting.} Rac8 16. c4 Nc5 17. Qc2 Ne4 18. b3) 15... f6 $2 {[%mdl 8192] [#]} (15... Ba4 $11 {and Black is okay.}) 16. Nxd7 $18 ({Weaker is} 16. Rxe4 dxe4 17. Qxd7 Qxd7 18. Nxd7 b6 $15) 16... Qxd7 (16... Qxf4 $142 17. f3 Ng5) 17. Rxe4 {White is clearly winning.} Qc7 18. Rd4 Rac8 19. c3 {[%cal Bc2c3,Bc3c4,Bc4d5,Bd5e6][%mdl 32]} b6 20. Re1 Qc6 21. Nd2 Rcd8 22. Nf3 Qd6 23. c4 Qb4 (23... Qc6 $142 24. cxd5 exd5) 24. cxd5 Qxb2 25. dxe6 Rxd4 26. Qxd4 {Weighted Error Value: White=0.06 (flawless) /Black=0.52} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.30"]
[White "Pelaez, Diego"]
[Black "Fernandez, Maria Florencia"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1575"]
[BlackElo "2200"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,64,40,49,44,39,68,27,43,0,17,19,43,13,7,-63,-77,-87,-64,-64,-23,-128,-112,-176,-193,-236,-224,-265,-183,-191,-98,-177,-54,-95,-54,-493,-493,-487,-473,-619,-624,-622,-608,-566,-595,-559,-496,-29978,-29978,-5509,-1664]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. h3 Nbd7 7. Be3 e5 8. d5 Nc5 9. Nd2 c6 {E90: King's Indian: Classical: Early deviations and 6 h3.} 10. b4 Ncd7 {[#]} 11. Qb3 $146 (11. Be2 $14 {deserves consideration.}) ({Predecessor:} 11. Nb3 Qc7 12. c5 Ne8 13. Rc1 f5 14. cxd6 Qxd6 15. dxc6 bxc6 16. Bc4+ Kh8 17. Nc5 Qxd1+ 18. Rxd1 {½-½ (26) Suarez,M (1821)-Rillo Badano,M (1758) Villaguay 2016}) 11... Nh5 {[%cal Bf6h5,Bh5f4,Bf4g2][%mdl 32] White has an edge.} 12. Nf3 (12. Rd1 $14 {is superior.}) 12... c5 13. a3 h6 14. Be2 Nf4 15. g3 (15. O-O $11) 15... Ng2+ $15 16. Kd2 Nxe3 17. fxe3 ({Don't play} 17. Kxe3 cxb4 18. axb4 Qb6+ 19. Kd2 (19. c5 $2 Nxc5 20. Na4 Nxa4+ $19) 19... f5 $17) 17... f5 (17... cxb4 $15 {might be stronger.} 18. axb4 a5) 18. h4 (18. Nh4 $1 $11) 18... f4 $17 19. exf4 (19. Rhg1 $17) 19... exf4 $19 20. gxf4 (20. Rhg1 {keeps fighting.} a5 21. b5 (21. gxf4 $2 axb4 22. Rxg6 bxc3+ 23. Qxc3 Nf6 $19)) 20... Rxf4 {[%cal Bf8f4,Bf4g4,Bg4c4][%mdl 32] Strongly threatening ...a5.} 21. Rag1 Nf8 22. bxc5 dxc5 (22... Qf6 $19 23. cxd6 Rxf3 24. Bxf3 Qxf3) 23. e5 {[#]} (23. Kc1 $17) 23... Bg4 (23... Bf5 $1 $19 {Hoping for ...Nd7.} 24. Rg3 (24. Qxb7 $2 Rb8 $19) 24... Nd7) 24. Rxg4 $1 $15 Rxg4 25. Qxb7 $2 {[%mdl 8192] [#] This costs White the game.} ({White should try} 25. d6 $1 $15) 25... Rb8 $1 $19 {[%cal Ba8b8,Bb8b2,Bb2e2][%mdl 32]} 26. Qxa7 Rb2+ 27. Kc1 {[#]} Rxe2 {[%mdl 576] Remove Defender} 28. Nxe2 Rxc4+ 29. Kd2 Qxd5+ 30. Ke3 Bxe5 {( -> ...Re4+)} 31. Nxe5 (31. Kf2 $19 Rc2 32. Qa4) 31... Qxe5+ 32. Kf2 Qf5+ {Weighted Error Value: White=0.84/Black=0.29 (precise)} (32... Re4 $142 33. Re1 Qf5+ 34. Kg2 Rg4+ 35. Ng3 Qf4 36. Re3 Qxe3 37. Qc7 Qe4+ 38. Kg1 Qf3 39. Kh2 Rxh4+ 40. Kg1 Rh3 41. Qe5 Rxg3+ 42. Qxg3 Qxg3+ 43. Kf1 Qh2 44. a4 c4 45. a5 c3 46. Ke1 c2 47. Kf1 c1=Q#) 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.31"]
[White "Muniz, Rafael"]
[Black "Bon, Charles"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2194"]
[BlackElo "1562"]
[Annotator "NA"]
[PlyCount "49"]
[EventDate "2022.02.12"]
[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 Qc7 6. f4 Nc6 7. Nxc6 dxc6 8. O-O Bc5+ 9. Kh1 Nf6 10. e5 Nd5 11. Qe2 b5 12. a3 Bb7 13. Nd2 Be7 14. Ne4 c5 15. c4 bxc4 16. Bxc4 Nb6 17. Bd3 c4 18. Bc2 Rc8 19. f5 Qxe5 20. Bf4 Qd5 21. Rad1 Qc6 22. Qg4 exf5 23. Qxg7 fxe4 24. Qxh8+ Bf8 25. Bxe4 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.32"]
[White "Blanco, Rudemar Ernesto"]
[Black "Carvalho, Guillermo"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1549"]
[BlackElo "2171"]
[Annotator "NA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. Bf4 e6 {[%emt 0:00:54]} 3. e3 {[%emt 0:01:52]} Nf6 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:02:17]} c5 {[%emt 0:00:16]} 5. c3 {[%emt 0:00:40]} Nc6 {[%emt 0:00:09]} 6. Nbd2 {[%emt 0:00:30]} Bd6 {[%emt 0:00:11]} 7. Bg3 {[%emt 0:01:50]} O-O {[%emt 0:04:56]} 8. Bd3 {[%emt 0:00:30]} b6 {[%emt 0:05:57]} 9. Ne5 {[%emt 0:05:10]} Bb7 {[%emt 0:02:23]} 10. Nxc6 {[%emt 0:11:00]} Bxc6 {[%emt 0:00:09]} 11. Bxd6 Qxd6 12. Nf3 {[%emt 0:01:07]} Ne4 {[%emt 0:12:46]} 13. O-O {[%emt 0:06:53]} f6 {[%emt 0:02:29]} 14. Nd2 {[%emt 0:04:34]} Nxd2 {[%emt 0:02:18]} 15. Qxd2 {[%emt 0:00:15]} e5 {[%emt 0:01:23]} 16. Be2 {[%emt 0:01:11]} Rad8 {[%emt 0:01:55]} 17. a3 {[%emt 0:12:50]} Rfe8 18. Rfe1 {[%emt 0:03:07]} Re7 {[%emt 0:06:21]} 19. Bf1 {[%emt 0:07:21]} Be8 {[%emt 0:07:57]} 20. Bd3 {[%emt 0:02:10]} Bf7 {[%emt 0:03:01]} 21. Bf5 {[%emt 0:05:48]} Rde8 {[%emt 0:03:42]} 22. g3 {[%emt 0:01:14]} Bh5 23. Bd3 {[%emt 0:01:49]} Bf3 {[%emt 0:04:36]} 24. Be2 {[%emt 0:02:01]} Be4 {[%emt 0:01:18]} 25. Bd3 exd4 {[%emt 0:01:25]} 26. Bxe4 {[%emt 0:01:10]} Rxe4 {[%emt 0:02:17]} 27. exd4 {[%emt 0:01:57]} cxd4 {[%emt 0:00:30]} 28. Rxe4 {[%emt 0:00:30]} Rxe4 {[%emt 0:02:36]} 29. cxd4 {[%emt 0:05:38]} Qe6 {[%emt 0:04:03]} 30. Rd1 {[%emt 0:03:33]} h5 {[%emt 0:02:56]} 31. h4 {[%emt 0:03:09]} Re2 {[%emt 0:01:04]} 32. Qc3 {[%emt 0:02:28]} Qf5 {[%emt 0:00:51]} 33. f3 {[%emt 0:00:30]} Qh3 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.33"]
[White "Granara Barreto, Sebastian"]
[Black "Agrasot, Antonio"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2131"]
[BlackElo "1548"]
[Annotator "ChessBase"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. Bd3 Bxd3 6. Qxd3 e6 7. Be3 Nd7 8. Ne2 Qb6 9. Qb3 Qxb3 10. axb3 c5 11. Nbc3 cxd4 12. Bxd4 a6 13. O-O-O Bc5 14. f4 O-O-O 15. Bxc5 Nxc5 16. b4 Nd7 17. Nd4 Ne7 18. h5 b5 19. g4 Kb7 20. Rhe1 {[%emt 0:35:08]} Nc6 {[%emt 0:23:11]} 21. Nxc6 {[%emt 0:06:02]} Kxc6 {[%emt 0:00:10]} 22. Ne2 {[%emt 0:00:04]} Kb7 {[%emt 0:01:03]} 23. Nd4 {[%emt 0:00:12]} Nb8 {[%emt 0:00:40]} 24. f5 {[%emt 0:04:57]} Rhe8 {[%emt 0:01:44]} 25. fxe6 {[%emt 0:01:56]} fxe6 {[%emt 0:00:13]} 26. Rf1 {[%emt 0:00:05]} Rd7 {[%emt 0:00:20]} 27. Nb3 {[%emt 0:00:07]} Rc7 {[%emt 0:01:52]} 28. Nc5+ {[%emt 0:01:51]} Kb6 {[%emt 0:00:34]} 29. c3 {[%emt 0:03:10]} Nd7 {[%emt 0:00:59]} 30. Nxd7+ {[%emt 0:01:33]} Rxd7 {[%emt 0:00:11]} 31. Rd4 {[%emt 0:00:04]} Ree7 {[%emt 0:00:30]} 32. Rdf4 {[%emt 0:00:15]} Kc7 {[%emt 0:01:34]} 33. Kd2 {[%emt 0:00:15]} Kd8 {[%emt 0:03:31]} 34. Kd3 {[%emt 0:00:15]} Rc7 {[%emt 0:00:15]} 35. b3 {[%emt 0:00:36]} Kc8 {[%emt 0:01:00]} 36. Rf8+ {[%emt 0:01:52]} Kb7 {[%emt 0:00:13]} 37. R1f4 {[%emt 0:00:24]} Rc8 {[%emt 0:02:25]} 38. Rxc8 {[%emt 0:05:26]} Kxc8 {[%emt 0:00:06]} 39. Kd4 {[%emt 0:00:15]} Rc7 {[%emt 0:00:24]} 40. Rf8+ {[%emt 0:00:10]} Kb7 {[%emt 0:00:28]} 41. Re8 {[%emt 0:01:36]} Rc6 {[%emt 0:00:58]} 42. Re7+ {[%emt 0:00:14]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.34"]
[White "Rebollo, Alvaro"]
[Black "Guerrero, Alvaro"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1542"]
[BlackElo "2123"]
[Annotator "ChessBase"]
[PlyCount "7"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 {[%emt 0:30:29]} 2. Bf4 {[%emt 0:38:12]} Nf6 {[%emt 0:01:25]} 3. Nc3 {[%emt 0:00:05]} g6 {[%emt 0:00:33]} 4. e3 {[%emt 0:00:41]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.35"]
[White "Castro, Cesar"]
[Black "Lavandeira, Juan Facundo"]
[Result "*"]
[ECO "B00"]
[WhiteElo "2097"]
[BlackElo "1520"]
[Annotator "ChessBase"]
[PlyCount "1"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:05:59]} *

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.12"]
[Round "1.36"]
[White "Lavandeira, Juan Bautista"]
[Black "Brizzi, Milagros Tatiana"]
[Result "0-1"]
[ECO "E09"]
[WhiteElo "1516"]
[BlackElo "2063"]
[Annotator "ChessBase"]
[PlyCount "58"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. c4 c6 3. g3 Nf6 4. Bg2 e6 5. Nf3 Nbd7 6. O-O Be7 7. Qc2 O-O 8. Nbd2 b6 9. e4 Bb7 10. b3 Rc8 11. e5 Ne8 12. Bb2 Nc7 13. Rac1 a5 14. a3 c5 15. Rfd1 cxd4 16. a4 Bc5 17. Qd3 f6 18. exf6 Qxf6 19. Bxd4 e5 20. Bxc5 Nxc5 21. Qe3 e4 22. Ne1 d4 23. Qe2 Rce8 24. Qg4 Qxf2+ 25. Kh1 e3 26. Ndf3 e2 27. Rxd4 Qf1+ 28. Ng1 Bxg2+ 29. Nxg2 Qxc1 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.1"]
[White "Guerrero, Alvaro"]
[Black "Delgado Ramirez, Neuris"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2123"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,84,2,0,22,29,42,25,40,21,32,29,62,47,56,55,61,57,69,36,33,26,27,33,72,68,41,22,10,-10,-30,-16,-5,-4,-7,-25,0,0,0,-109,-111,-41,-31,-31,0,0,0,0,36,-25,9,-33,0,-41,0,0,0,0,7,-7,-15,-156,-63,-86,-117,-885,-889,-2212,-1748,-29992,-29993]} 1. e4 c5 2. d3 Nc6 3. Nf3 Nf6 4. g3 d5 5. Nbd2 g6 6. Bg2 Bg7 7. O-O O-O 8. c3 b6 {[%cal Bb7b6,Bb6c5,Bc5c4][%mdl 32]} 9. Re1 Bb7 {A08: King's Indian Attack.} 10. e5 Ne8 {[%cal Bf6e8,Be8c7,Bc7e6][%mdl 32]} 11. d4 Nc7 {[#] White has an edge.} 12. dxc5 $146 ({Predecessor:} 12. Nf1 Ne6 13. Ne3 cxd4 14. cxd4 Rc8 15. h4 Nb4 16. a3 Nc6 17. Bh3 Na5 18. Ng5 {0-1 (50) Guo,A (1711)-Miljkovic,M (2482) Chess.com INT 2020}) 12... bxc5 13. Nb3 c4 14. Nc5 Bc8 15. Qa4 Qe8 16. b3 Ne6 17. Qa3 Rb8 18. bxc4 (18. Nxe6 {looks sharper.} Bxe6 19. Ng5 Nxe5 20. Bf4 Nd3 21. Rxe6 fxe6 22. Bxb8 Qxb8 23. Qxe7 Qe8 24. Qxe6+ Qxe6 25. Nxe6 Bxc3 26. Rb1) 18... dxc4 19. Be3 Nxe5 20. Nxe5 Bxe5 21. Nxe6 Bxe6 22. Bxa7 Rb5 23. Rab1 Rxb1 24. Rxb1 Qd7 {[%cal Oe5c3]} 25. Bc5 Bf5 {[%cal Be6f5,Bf5d3,Bd3e2][%mdl 32]} 26. Rc1 Bf6 27. Qb4 (27. h4 $11) 27... Qd2 $17 {[%csl LRa2,LRc1]} 28. Qa3 Bg5 {To avoid Be3} 29. Ra1 Bd3 30. h4 Bf6 31. Rc1 h5 32. Bf3 (32. Be3 $14 Qe2 33. Qa5) 32... Be2 {[#]} 33. Be4 (33. Be3 $1 $11 {feels stronger.} Qd3 34. Bg2) 33... Qd7 {[%cal Of6h4]} 34. Bg2 (34. Qa7 $11 Qd2 35. Be3) 34... Rc8 (34... Rb8 $15 {is superior.}) 35. Be3 $11 Qg4 36. Kh2 {Hoping for Bh3.} Rd8 37. Bh3 Qe4 38. Qa5 {[#]} (38. Qc5 $11) 38... Rd3 {Black is more active.} (38... Ra8 $1 $17 {[%cal Ra8a5]} 39. Qc5 Rxa2) 39. Bg2 Bf3 40. Bf1 {[%mdl 8192]} (40. Bxf3 $17 Qxf3 41. Qb5) 40... Rxe3 $19 41. fxe3 Be5 {( -> ...Qxh4+). A strong pair of Bishops.} 42. Bh3 Qxe3 {Weighted Error Value: White=0.67/Black=0.14 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.2"]
[White "Tristan, Leonardo"]
[Black "Granara Barreto, Sebastian"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2561"]
[BlackElo "2131"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,97,1,0,0,0,3,1,16,-5,11,6,24,16,22,18,66,29,41,14,16,7,8,12,19,18,20,20,20,20,17,18,18,18,17,0,0,0,0,0,14,17,18,19,43,39,44,11,11,11,11,11,201,11,11,17,25,8,8,8,8,8,8,8,8,8,8,9,279,39,443,360,7063,6532,6435,6435,4582,5308,1026,1355,29979,29980,29972,29972]} 1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. g3 f5 6. Bg2 O-O 7. Ne2 d5 8. O-O c6 9. Nd2 {[%cal Bb1d2,Bd2c4,Bc4a5][%mdl 32]} Nd7 {A45: Trompowsky Attack.} 10. c4 dxc4 11. Nxc4 Nb6 {The position is equal.} 12. Na5 Qe7 {[#]} 13. a3 $146 ({Predecessor:} 13. Qd2 Be6 14. Nf4 h5 15. h4 Rad8 16. Qe2 Nd5 17. Nxe6 fxe6 18. Nc4 e5 19. dxe5 Bxe5 20. Nxe5 Qxe5 {½-½ (42) Xiao,Y (2290)-Zhu,J (2439) Hangzhou 2019}) 13... g5 14. b4 Be6 15. Qd3 Rfe8 (15... Rab8 $11 {deserves consideration.}) 16. Rac1 Rac8 17. Rc5 Qd7 18. g4 {[%cal Rg4f5]} Nd5 19. b5 {[%cal Oa5b7]} cxb5 20. Qxb5 {[%cal Rg2d5]} Rxc5 21. Qxd7 Bxd7 22. dxc5 Nf4 23. Nxf4 gxf4 24. Nxb7 fxe3 25. fxe3 {Hoping for c6.} fxg4 26. Bd5 Be6 {This bishop pair is nice.} 27. Nd6 {[%csl LRe8,LRf7]} Rd8 28. Bxe6 fxe6 $11 {[%mdl 4096] Endgame KRB-KRN} 29. Rf4 Be5 30. Rxg4+ Kf8 31. Ra4 Bxd6 32. cxd6 Rxd6 33. Rxa7 {Black must now prevent a4. KR-KR} Rd3 $2 {[#]} (33... Rd1+ $1 $11 {and Black stays safe.} 34. Kf2 Rd2+ 35. Kg3 Re2) 34. Kf2 $2 ({Don't take} 34. Rxh7 $6 Rxa3 35. Kf2 Ra4 $16) (34. a4 $1 $18) 34... Rd2+ 35. Kg3 {Threatens to win with a4.} Re2 $1 36. Kf4 Rxh2 37. Ke5 Re2 38. Kf6 {[%cal Ra7a8]} Ke8 39. Re7+ Kd8 40. Rxe6 Kd7 41. e4 {[%cal Be3e4,Be4e5][%mdl 32] aiming for Re7+.} Re3 $2 {[%mdl 8192] [#]} (41... Rf2+ $11 42. Ke5 Ra2) 42. a4 $2 ({Only move:} 42. Re7+ $1 $18 Kc6 43. e5 (43. Rxh7 Rxe4 44. Ra7 Kb6 $11)) 42... h5 $2 {[%mdl 8192]} (42... Rf3+ $1 $14 43. Ke5 Ra3) 43. Re7+ Kd8 $2 (43... Kc6 44. e5 Rf3+ 45. Ke6 h4) 44. e5 h4 45. Rh7 h3 46. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32] Intending a6 and mate.} Rf3+ 47. Ke6 {a6 would kill now.} Rd3 48. a6 Ra3 49. a7 {Weighted Error Value: White=0.35/Black=0.70} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.3"]
[White "Brizzi, Milagros Tatiana"]
[Black "Perez Ponsa, Federico"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2063"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,72,24,31,13,12,28,-16,-9,-16,-30,-9,-16,0,0,-60,-51,-71,-46,-87,-71,-113,-110,-143,-133,-175,-174,-250,-212,-247,-260,-495,-497,-705,-695,-662,-677,-637,-614,-867,-836,-6164,-6170,-6075,-6075,-6075,-6075,-5302,-5297,-1237,-1025]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} b5 12. g5 Nh5 $1 {[%mdl 4] is currently scoring better than 12...b4.} 13. Nd5 Bxd5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 14. exd5 f6 {[%cal Rf6g5]} 15. Na5 (15. g6 {is superior.}) 15... fxg5 $11 {The position is equal.} 16. Nc6 Qe8 17. Nxe7+ Qxe7 18. Bxg5 Qe8 19. Bh3 {[#]} ({White should play} 19. Qb4 $11) 19... Nf4 $146 ({But not} 19... Rxf3 20. Be6+ Kh8 21. Qe2 $11) ({Predecessor:} 19... Kh8 20. Qb4 Nc5 21. Qh4 Ra7 22. Rhe1 Rc7 23. Kb1 Qg6 24. Rd2 Nf4 25. Bxf4 exf4 {1-0 (45) Jaeschke,F (1948)-Zuse,P (2215) Baden 2019}) 20. Be6+ Kh8 21. h4 (21. Rhg1 $15) 21... Nc5 {Pair of Knights!} ({Don't do} 21... Nxe6 22. dxe6 Qxe6 23. Qxd6 Qxd6 24. Rxd6 $14) 22. Kb1 {[#]} (22. Rhg1 $142) 22... h6 $1 $36 {[%mdl 2048] Keeping White busy.} ({Not} 22... Ncxe6 23. dxe6 Nxe6 24. Qxd6 $15) 23. Bxf4 Rxf4 24. Bg4 (24. Qe3 $17) 24... b4 25. Qg2 (25. Rdg1 {is a better defense.}) 25... Qg6 26. Rhg1 Qf6 {White must now prevent ...e4.} 27. h5 $2 (27. Rde1) 27... e4 $19 {Hoping for ...Na4. Black is clearly winning.} 28. fxe4 {[#]} (28. Qd2 $142 exf3 29. Bh3) 28... Na4 $1 {[%csl Ga4][%cal Rf6b2]} 29. e5 Qxe5 {[%csl Ga4][%cal Re5b2]} 30. c3 bxc3 31. Rge1 {[#]} Rxg4 $1 {[%mdl 512]} 32. Qxg4 (32. Qc2 Qxh5) 32... c2+ $1 {[%mdl 64] Decoy} 33. Kxc2 Qxb2+ 34. Kd3 Nc5+ 35. Ke3 Re8+ 36. Kf3 Rf8+ {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.72/Black=0.03 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.4"]
[White "Hungaski, Robert"]
[Black "Pichuaga, Juan Pablo"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2537"]
[BlackElo "2030"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,105,56,34,63,64,79,81,66,75,91,96,72,35,41,35,43,43,45,24,41,31,56,48,72,65,76,69,60,61,69,58,90,67,90,84,78,70,84,81,93,88,125,77,112,93,82,83,125,93,173,159,158,164,186,179,182,179,175,159,154,164,201,188,354,347,332,321,748,714,12838,12839,12839,12839,12840,12840,12841,12841,12841,12842,12837,12838,12842,12840,12842,12843,12844,12844,12844,12844]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Ne4 8. Nbd2 f5 9. Ne5 Nd7 10. Nd3 (10. Bxe4 fxe4 11. Nxd7 Qxd7 $15) 10... Nxd2 {A92: Classical Dutch: Classical Stonewall (with ...Be7): Early deviations.} 11. Bxd2 dxc4 12. Qxc4 Nb6 {White is better.} 13. Qc3 {White is more active.} Nd5 14. Qc2 {[#]} Bd7 $146 ({Predecessor:} 14... Kh8 15. a3 Qd6 16. e3 Re8 17. Bb4 Nxb4 18. axb4 Bf6 19. f4 Rf8 20. Qc5 Qxc5 21. bxc5 {½-½ (69) Kretschmer,T-Aubertin,T (2003) Heusweiler 2007}) 15. Bf4 (15. e4 {looks sharper.} fxe4 16. Bxe4 h6 17. Rae1 Be8 18. a3) 15... Nxf4 16. Nxf4 Bd6 17. Nd3 Qe7 18. Qc3 Rad8 19. e3 Bc8 20. b4 Rfe8 21. f4 g5 22. a4 a6 23. Bf3 Rf8 24. Ra2 g4 25. Bg2 Qg7 26. Rb2 Rf7 27. Rc1 Rc7 28. Qb3 h5 29. Rbc2 Re8 30. Kf2 (30. b5 $142) 30... h4 $16 31. Ne5 (31. gxh4 $6 Qh6 $14) 31... Bxe5 32. dxe5 Rce7 ({Black should try} 32... Rd8) 33. b5 (33. gxh4 $6 Qh6 $11) 33... hxg3+ (33... axb5 $16 {is a better defense.} 34. axb5 (34. gxh4 bxa4 35. Qxa4 Qh6 $17) 34... h3) 34. hxg3 $18 (34. Kxg3 axb5 35. axb5 Bd7 $11) 34... axb5 35. axb5 Bd7 36. b6 ({But not} 36. bxc6 $6 Bxc6 37. Bxc6 bxc6 $16) 36... Qf7 37. Rd1 Ra8 38. Ra2 Rxa2+ 39. Qxa2 Be8 40. Rd6 Rd7 $2 (40... Kg7 {was necessary.} 41. e4 Qf8) 41. Qxe6 ({Inferior is} 41. Rxe6 Kg7 42. e4 Qg8 43. exf5 Bf7 $11) 41... Qxe6 42. Rxe6 {[%mdl 4096] Endgame KRB-KRB} Bf7 (42... Kf8 43. Rf6+ Kg7 44. Rxf5 Rd2+ 45. Kg1 Rd1+ 46. Kh2 Rd2) 43. Rd6 {White is clearly winning.} Rxd6 44. exd6 {[#] Intending d7 and mate. KB-KB} Be8 45. e4 fxe4 46. Bxe4 Bd7 47. Ke3 {Threatening mate with Kd4.} Kf7 48. f5 Kf6 49. Kf4 Be8 50. Bc2 Bd7 51. Bd3 Bc8 {[#]} 52. Ba6 $1 {[%mdl 512]} c5 53. Bb5 {Weighted Error Value: White=0.10 (very precise) /Black=0.21 (precise)} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.5"]
[White "Mateus, Martha"]
[Black "Lima, Darcy"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "2019"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,78,33,39,38,47,23,33,6,18,6,14,0,0,3,0,14,0,-31,-30,-21,0,-22,-11,-25,-39,-31,0,0,0,-34,-27,-44,-41,-37,-35,-78,-63,-50,-36,-79,-83,-131,-121,-129,-118,-121,-94,-383,-371,-413,-433,-426,-430,-544,-417,-483,-494,-467,-479,-415,-393,-733,-712,-1371,-1356]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 d6 6. Bb5 Bd7 7. Bxc6 bxc6 8. Qf3 c5 9. Nf5 {C62: Ruy Lopez: Steinitz Defence.} h6 10. O-O g6 11. Ng3 {White is slightly better.} Bg7 12. e5 dxe5 13. Be3 O-O $1 ({Resist} 13... Rb8 14. Bxc5 Bg4 15. Qc6+ Qd7 16. Qa6 $16) 14. Bxc5 Re8 15. Rad1 Qc8 {[#]} 16. Nd5 $146 ({Predecessor:} 16. Qd3 Bc6 17. f3 Nd7 18. Be3 Nf8 19. Nge4 Ne6 20. Qc4 Bb7 21. Nc5 Nd4 22. Rf2 {0-1 (64) Alvarado Rodriguez,C-Requejo,O (2205) Peru 1995}) 16... Nxd5 17. Qxd5 Bb5 18. Rfe1 (18. c4 $5 {[%cal Rc4b5]} Ba6 19. b3 $11) 18... Qa6 19. Ba3 Bc6 {A strong pair of Bishops.} 20. Qd3 Qa4 21. Qb3 Qh4 22. Re3 Rad8 23. Rde1 Re6 24. Bc5 a5 25. Nf1 (25. Rd3 $15 {might be stronger.}) 25... Rd5 $40 {[%mdl 128] Black is up to no good. Black is more active.} 26. Qa3 a4 27. Rh3 (27. b4 $15) 27... Qd8 $17 28. Ne3 {Inhibits Rd1.} (28. b4 $142) 28... Rd7 29. Qb4 f5 {[%cal Bf7f5,Bf5f4][%mdl 32] White must now prevent ...f4.} 30. Qc4 Kf7 31. Ba3 $2 {[%mdl 8192] [#] Now White is beyond hope.} (31. Rg3 $17) 31... f4 $1 $19 ({And not} 31... Rd4 32. Qf1 $17) 32. Nf1 Rd4 33. Qc5 Qg5 {[%csl Gc6][%cal Rg5g2]} 34. f3 Qd8 35. c3 Rd1 36. Rxd1 Qxd1 37. Qa7 Qd7 {aiming for ...Bb5.} 38. Qb8 (38. Qf2 Re8 39. Bb4) 38... g5 {[#] And now ...Bb5 would win.} 39. g3 Re8 {Weighted Error Value: White=0.59/Black=0.08 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.6"]
[White "Morovic Fernandez, Ivan"]
[Black "Cordero, Daniela"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2498"]
[BlackElo "2011"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,0,18,10,17,25,21,24,28,23,37,45,41,32,34,37,32,32,44,11,1,12,8,10,5,-3,-2,0,0,0,260,222,225,236,264,275,437,430,696,689,697,699,691,687,670,660,573,557,660,654,647,631,662,633,634,626,727,664,653,625,760,736,758,731,775,767,900,872,957,936,944,912,948,937]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Bd7 5. Nf3 Ne7 6. Na3 {C02: French: Advance Variation.} Qb6 {[#]} 7. dxc5 $146 ({Predecessor:} 7. Nc2 Bb5 8. dxc5 Qxc5 9. Be3 Qc6 10. Ncd4 Qc8 11. Bxb5+ Nbc6 12. Bxc6+ Nxc6 13. Nxc6 Qxc6 14. O-O {1-0 (61) Hung,J-Patel,P (862) Wahroonga 2014}) 7... Qxc5 8. Bd3 {The position is equal.} Ng6 9. O-O Be7 10. Qe2 Qc7 11. Nc2 Nc6 {[%cal Rc6e5]} 12. Re1 f6 13. exf6 gxf6 14. c4 dxc4 15. Bxc4 {Threatening Ncd4.} e5 {To avoid Ncd4} 16. Bh6 {aiming for Ne3.} Bf8 17. Bxf8 Rxf8 18. Ne3 Nf4 19. Qc2 $36 {[%mdl 2048] Black must now prevent g3. White is pushing.} h5 $2 {[%mdl 8192] Black is on the road to losing.} (19... O-O-O $11 {and Black stays safe.}) 20. Nd5 $18 Nxd5 {[#]} 21. Qg6+ $1 ({Worse is} 21. Bxd5 O-O-O $11) 21... Ke7 {...Be6 is the strong threat.} 22. Bxd5 {Hoping for Qg7+.} Be8 (22... Rae8 {was worth a try.} 23. Rad1 (23. Qxh5 Kd8 $18) 23... Kd8 24. Bxc6 (24. Qxh5 Kc8 $16) 24... Qxc6) 23. Qg7+ {White is clearly winning.} Bf7 {[#]} (23... Rf7 $142 24. Qg8 Rd8) 24. Ng5 $1 {[%mdl 512]} fxg5 25. Bxc6 bxc6 26. Rxe5+ Qxe5 27. Qxe5+ Kd7 28. Qxg5 Rae8 29. Qa5 Bd5 30. Qxa7+ Kd6 31. Qa3+ Kc7 32. Qa5+ Kd6 33. Re1 Rxe1+ 34. Qxe1 {[%mdl 4096] Endgame KQ-KRB} Rg8 35. g3 Kd7 36. f4 h4 37. Kf2 hxg3+ 38. hxg3 Rh8 39. Qc3 {Qg7+ would kill now.} Rh2+ 40. Ke3 Rg2 41. Qg7+ {Weighted Error Value: White=0.06 (flawless) /Black=0.52} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.7"]
[White "Siddeley, Hugh"]
[Black "Santiago, Yago De Moura"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2000"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,46,12,8,7,7,12,14,15,21,13,6,0,14,-33,-48,-38,-45,-32,-32,-97,-66,-75,-72,-79,-79,-111,-109,-119,-118,-111,-119,-112,-83,-173,-173,-253,-281,-312,-305]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. b4 {B12: Caro-Kann: Advance Variation.} Be7 7. Nf3 Nd7 (7... a5 $5 {[%cal Ra5b4]}) 8. Bd3 {The position is equal.} a5 9. b5 f6 10. Bb2 Nh6 11. O-O (11. Nbd2 $11) 11... Nf7 $1 $15 {[%cal Rf6e5]} 12. exf6 Bxf6 13. Bxf6 Qxf6 14. Nbd2 {[#]} (14. c3 $15) 14... e5 $1 $17 {[%cal Be6e5,Be5e4][%mdl 32]} 15. Ne1 e4 16. Be2 Nc5 {[#] ...Na4 is the strong threat.} 17. a4 $146 ({Predecessor:} 17. f3 e3 18. Nb3 Nxb3 19. cxb3 d4 20. Bd3 Be6 21. f4 O-O 22. Rc1 Rac8 23. Rxc8 Rxc8 {0-1 (30) Jenkinson,S (2234)-Mulligan,B (2397) ICCF email 2017}) 17... O-O {Black is much more active.} 18. Nb3 Nxb3 19. cxb3 d4 $36 {[%cal Bd5d4,Bd4d3][%mdl 2080] Black has strong initiative.} 20. Bc4 Rd8 21. Ra2 (21. Nc2 $17 {is a better defense.}) 21... Be6 $19 {Strongly threatening ...Bxc4.} 22. Bxe6 (22. Re2 {was necessary.} Bxc4 23. bxc4) 22... Qxe6 23. Rd2 d3 {Weighted Error Value: White=0.20 (precise) /Black=0.02 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.8"]
[White "Ricardi, Pablo"]
[Black "Meza, Anahi"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2464"]
[BlackElo "1996"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,53,17,16,47,37,31,14,8,0,0,-3,0,-19,-20,-45,-58,-70,-68,-73,-63,-92,-91,-108,-52,-57,-58,-49,-58,-50,-47,-50,-53,-61,-22,-14,-21,-14,-25,-54,320,316,627,627]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. c3 a6 6. Ba4 b5 7. Bc2 c4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 8. b3 Ng6 9. bxc4 bxc4 {The position is equal.} 10. Na3 Na5 11. Rb1 Qc7 {[#]} 12. Re1 $146 ({Predecessor:} 12. d4 cxd3 13. Qxd3 Bc5 14. Be3 Bxe3 15. Qxe3 Bb7 16. Rb6 O-O 17. Rd1 Rfc8 18. c4 {½-½ (36) Baumann,D (1988)-Hrvacic,P (2002) LSS email 2009}) 12... Bc5 13. e5 Bb7 14. Be4 Bxe4 15. Rxe4 {[#]} O-O $1 {[%cal Bh8f8,Bf8b8,Bb8b2][%mdl 32]} 16. Nc2 f5 17. Re1 Qa7 ({Better is} 17... Rfb8 $17 18. Rxb8+ Rxb8) 18. d4 $15 cxd3 $1 19. Ncd4 Rab8 20. Rxb8 Rxb8 21. Qxd3 Nc6 22. h4 Nge7 23. Be3 {And now Nxc6 would win.} Rb2 24. h5 h6 25. Rd1 Nxd4 $2 {[%mdl 8192] [#]} (25... Rxa2 $15 26. Qc4 Ra5) 26. cxd4 $18 Bb6 (26... Bb4 27. Bc1 Rxa2) 27. Qa3 $1 {[%csl LRb2,LRe7] Weighted Error Value: White=0.10 (very precise) /Black=0.59} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.9"]
[White "Escofet, Jaime"]
[Black "Perdomo, Leandro"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1981"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,80,4,3,-11,-8,-11,-10,-17,10,-16,-23,-29,-24,-41,-30,-53,8,-18,-7,-31,-31,-25,3,-13,46,26,56,-45,-50,-50,-44,-39,-50,-55,-47,-96,-52,-156,-134,-149,-139,-145,-162,-197,-164,-171,-147,-517,-364,-816,-812,-792,-795,-735,-91,-86,-86,-533,-352,-335,0,-491,-499,-2190,-2234,-1931,-1684,-4974,-1420]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 {[%cal Bc8g4,Bg4h5,Bh5f7][%mdl 32]} 6. h3 Bh5 7. d3 Bd6 8. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4e3][%mdl 32] C68: Ruy Lopez: Exchange Variation, sidelines.} Ne7 9. Nc4 f6 10. c3 {[#] The position is equal.} Bf7 $146 ({Predecessor:} 10... c5 11. a4 O-O 12. a5 Qd7 13. Nfxe5 Qe8 14. Ng4 Nc6 15. Nxd6 cxd6 16. f3 Bf7 {½-½ (45) Ferreira,A (2083)-Gaisinsky,A (2120) Guelph 2018}) 11. Ne3 Qd7 12. d4 exd4 13. cxd4 Bf4 14. Qe2 O-O (14... O-O-O $15) 15. Nc4 Ng6 16. b3 Rfe8 {[%cal Of7d5]} 17. Re1 b5 18. Nb2 (18. Na5 $5 {[%cal Rc1f4]}) 18... f5 (18... Bd6 $11) 19. e5 $14 Bd5 20. Be3 ({Only move:} 20. Nd3 $14 Bxc1 21. Raxc1) 20... Bxe3 $1 $15 21. fxe3 c5 $1 22. Rad1 cxd4 23. exd4 Nf4 24. Qe3 {[#]} (24. Qf2 $15) 24... Ne6 {Black is much more active.} (24... Nxh3+ $1 $17 25. gxh3 f4 26. Qxf4 (26. e6 $2 Rxe6 27. Ne5 Rg6+ 28. Kf1 Qe6 $19) 26... Qxh3) 25. Rd2 (25. Nd3 $1 $15) 25... Rad8 {And now ...f4 would win.} 26. Red1 f4 $36 {[%mdl 2048] Keeping White busy.} 27. Qf2 Rf8 28. Qh4 Bxf3 29. gxf3 {Strongly threatening d5.} Qd5 30. Kf2 {[%mdl 8192]} (30. Qg4 $17) 30... c5 {[%cal Re6d4]} 31. dxc5 $2 (31. Qg4 Nxd4 32. Re1) 31... Qxd2+ $19 32. Rxd2 Rxd2+ 33. Kf1 Nd4 $2 (33... Re8 $19 {and Black stays clearly on top.} 34. a4 Rxb2) 34. Qe7 $17 {[%cal Oe7d6]} Nxf3 35. c6 $2 {[%mdl 8192]} Nh2+ 36. Ke1 Nf3+ {Chess con chili.} (36... Rxb2 $142 37. Kd1 f3) 37. Kf1 $19 {[%cal Oc6c7]} Rxb2 {Black is clearly winning.} 38. Qe6+ (38. c7 $142 Rc2 39. Qe6+ Kh8 40. Qd6) 38... Kh8 {( -> ...Nh2+)} 39. Qe7 Rg8 {White must now prevent ...Nh2+.} 40. Qc5 Nh2+ {Weighted Error Value: White=1.02/Black=0.52} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.10"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Gaye, Gustavo"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2439"]
[BlackElo "1990"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,37,-21,-20,-21,0,0,2,0,8,0,6,-75,-17,-29,-16,-22,30,43,54,61,84,73,81,84,159,168,370,346,347,320]} 1. b3 Nf6 2. Bb2 d6 3. f4 c5 4. Nf3 g6 5. e4 Bg7 6. Bb5+ {A02: Bird's Opening.} Bd7 (6... Nbd7 $5 {[%cal Re8g8]}) 7. Bxd7+ Qxd7 8. O-O {The position is equal.} O-O 9. d3 Nc6 10. Nbd2 {[#]} (10. Na3 $11 {remains equal.}) 10... b5 {[#]} (10... Nxe4 $1 $17 11. Bxg7 Nxd2 12. Qxd2 Kxg7) 11. Qe2 $146 ({Predecessor:} 11. c4 a6 12. h3 Nh5 13. Bxg7 Kxg7 14. Ne1 e5 15. f5 Qd8 16. g4 Nf4 17. a3 Nxh3+ {0-1 (25) Lemos,P-Gomes,L (2262) Varginha 2004}) 11... a6 (11... Qg4 {is interesting.} 12. h3 Qg3 13. e5 Nh5 14. Ne4 Qxf4 15. c4 bxc4 16. dxc4 Ng3) 12. Rae1 e6 ({Black should try} 12... e5) 13. e5 $11 Nd5 14. g3 Nc7 15. Ne4 Ne8 16. c4 {exd6 is the strong threat. White is much more active.} dxe5 (16... f5 $142) 17. fxe5 $16 Nd4 $2 {[#]} (17... Qe7 18. Qf2 Nc7) 18. Nxd4 $18 cxd4 19. Ba3 {Weighted Error Value: White=0.12 (very precise) /Black=0.34} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.11"]
[White "Araque, Jairo"]
[Black "Valerga, Diego"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1970"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,42,13,22,-27,-35,-19,0,-89,-64,-57,8,-47,-38,-86,-91,-147,-141,-163,-155,-208,-149,-188,-181,-195,-191,-333,-308,-415,-431,-841,-845,-969,-961,-938,-917]} 1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. Nc3 cxd4 5. exd4 Bb4 6. a3 {A45: Trompowsky Attack.} (6. Bd3 $142) 6... Bxc3+ $11 7. bxc3 Qa5 {[#]} 8. Qf3 $146 (8. Bd2 $11) ({Predecessor:} 8. Qd3 b6 9. Bd2 Ba6 10. c4 Qa4 11. Qb3 Qc6 12. Nf3 d6 13. Bd3 Nbd7 14. d5 exd5 15. cxd5 {1-0 (63) Steinbring,R (1870)-Biessner,E (1763) Hilden 2004}) 8... Nc6 $17 {[%cal Bb8c6,Bc6e7,Be7d5,Bd5c3,Bc3e4][%mdl 32]} 9. Bd2 b6 (9... O-O $15 10. Qd1 d5) 10. Be2 (10. a4 $11 Qh5 11. Bd3) 10... Ba6 $15 11. Qg3 {[#]} (11. Bd3 $1 $15) 11... O-O $1 $17 12. Bf3 {To avoid Ne4} ({Better is} 12. Bd3) 12... Rac8 {Black is more active.} 13. Ne2 Ne7 14. h4 (14. a4 $17) 14... Bxe2 15. Kxe2 Qb5+ 16. Kd1 Ned5 17. Bh6 (17. Bxd5 $142 Qb2 18. Rc1 Nxd5 19. Rh3) 17... Nxc3+ $19 18. Kc1 {[%csl Gh6][%cal Rg3g7] [#]} Ne8 {Strongly threatening ...Qc4. The board is on fire. Pair of Knights!} 19. h5 (19. Bd2 $142) 19... Qc4 {Hoping for ...Ne2+.} 20. Kd2 {Prevents Ne2.} Qxd4+ 21. Ke1 Ne4 {Weighted Error Value: White=0.81/Black=0.10 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.12"]
[White "Roselli Mailhe, Bernardo"]
[Black "Benitez, Andres"]
[Result "1-0"]
[ECO "D28"]
[WhiteElo "2426"]
[BlackElo "1978"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,99,11,21,12,17,9,9,0,0,-10,-2,-18,0,6,5,0,6,-26,-22,-25,0,-16,42,29,22,62,49,0,0,-14,-14,-35,7,-6,0,-1,0,0,0,0,44,49,29,50,36,59,58,68,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,111,133,111,111,111,111,111,111,111,111,89,89,92,85,62,468,286,29970,12111]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Nbd7 9. a4 c4 10. Bc2 Bb7 11. e4 {D28: Queen's Gambit Accepted: Classical main line: 7 Qe2 with early ...Nc6.} Be7 12. Bg5 O-O 13. Nbd2 {The position is equal.} h6 14. Bh4 Re8 15. Rfe1 {[#]} Nh5 $146 ({Predecessor:} 15... Nf8 16. e5 Nd5 17. Bxe7 Qxe7 18. Ne4 Bc6 19. Nd6 Red8 20. Be4 Qd7 21. Nd2 f5 22. Bxd5 Bxd5 {½-½ (82) Guliev,S (2524)-Markowski,T (2587) Istanbul 2003}) 16. Bxe7 Qxe7 17. axb5 axb5 18. b3 (18. Qe3 $5 {[%cal Rb2b3]}) 18... c3 19. Nf1 {[%cal Bd2f1,Bf1g3,Bg3e2][%mdl 32]} Qb4 20. Qe3 $1 Nhf6 (20... Red8 $11) 21. Ng3 $14 Rxa1 22. Rxa1 Ra8 {To avoid Ra7} 23. Rxa8+ (23. Rb1 $1 $14 {is superior.}) 23... Bxa8 $11 24. h3 Qa5 25. Ne1 {[%cal Bf3e1,Be1d3,Bd3c5][%mdl 32]} (25. d5 $5) 25... Nb8 (25... b4 $15) 26. Ne2 b4 27. f3 Qb6 28. Kf2 Bb7 29. Nd3 {[%cal Od4d5]} Ba6 (29... Na6 $11) 30. d5 $1 $14 Qa5 31. dxe6 fxe6 32. Qc5 {Prevents Nc6.} Qxc5+ 33. Nxc5 e5 (33... Bxe2 $14 {should be considered.} 34. Kxe2 e5) 34. Nc1 $16 Bb5 35. Na2 Nc6 {[#]} 36. Bd3 $1 Bxd3 37. Nxd3 Nd7 38. Naxb4 Nxb4 39. Nxb4 {[%mdl 4096] Endgame Black must now prevent Nd3. KN-KN} Nc5 {To avoid Nd3} 40. Na2 {And now b4 would win.} Nxb3 {Threatens to win with ...c2.} 41. Nxc3 Kf7 42. Na4 g5 43. Ke3 Nd4 44. Nb2 Nc2+ 45. Kd2 Nd4 46. Nc4 Kf6 47. Kd3 h5 48. Ne3 Ne6 $2 {[%mdl 8192]} ({Black should try} 48... Kf7 $14) 49. Kc4 $18 Nf4 {[#]} (49... Nd4 $18 50. Kd5 Nb5) 50. Nd5+ $1 {Weighted Error Value: White=0.07 (flawless) /Black=0.49} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.13"]
[White "Salguero, Rafael"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "1948"]
[BlackElo "2403"]
[Annotator "TA RC"]
[PlyCount "101"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,101,62,57,74,66,58,70,52,58,50,56,35,72,86,54,61,59,54,75,60,78,79,60,42,30,0,24,0,0,0,0,0,0,0,24,-50,0,0,0,-279,-267,-554,-301,-242,-194,-194,-194,-194,-193,-189,-134,-153,-114,-114,-114,-154,-155,-157,-135,-147,-46,-614,-99,-115,-96,-112,0,0,0,0,102,131,379,370,29980,29981,29979,29979,29967,29959,29995,29996]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Kg2 Nbd7 11. Nf3 O-O 12. a4 {A59: Benko/Volga Gambit: White castles by hand.} Ra6 13. Qc2 {13.Qe2 is more fashionable.} Qa8 14. Ra3 {White is slightly better.} e6 15. dxe6 fxe6 16. Rd1 d5 17. exd5 exd5 18. Nb5 $1 Qb7 {Prevents Nc7.} 19. Bf4 {[#]} Rb6 $146 ({Predecessor:} 19... Nh5 20. Bd6 Rc8 21. Qe2 d4 22. Qe6+ Kh8 23. Kg1 Nf8 24. Qc4 Nd7 25. Qf7 Raa8 26. Re1 Nhf6 27. Re7 Rg8 28. Ne5 Rad8 29. Qe6 {1-0 (30) Fodor,T (2302)-Brustkern,J (2240) Budapest 2006}) 20. Bd6 Rc8 21. Kg1 {White is much more active.} Ne4 {Prevents Ng5.} 22. Bf4 c4 23. Nfd4 Bf8 24. f3 Bxa3 25. bxa3 Nec5 $36 {[%mdl 2048] Black has some pressure.} 26. Nd6 Rxd6 27. Bxd6 Qa6 28. Bf4 ({White should try} 28. Nb5 $11) 28... Re8 (28... Nd3 $1 $15) 29. Nb5 $11 Nd3 {aiming for ...Qb6+.} 30. Bc7 {[%mdl 8192] Prevents Qb6+.} (30. Nc7 $11 Qa7+ 31. Kf1) 30... N7c5 $1 $19 {White must now prevent ...Ne1. Pair of Knights!} 31. Nc3 $2 (31. Rf1) 31... Qc6 {...Ne6 is the strong threat.} 32. Bf4 Nxf4 33. gxf4 Nd3 34. Rxd3 cxd3 35. Qxd3 {[%mdl 4096] Endgame KQR-KQN} Rd8 (35... Qc5+ $19 36. Kg2 Re3 37. Qxd5+ Qxd5 38. Nxd5 Rxa3) 36. Kg2 d4 37. Ne4 Qxa4 38. Ng5 Qc6 39. Qb3+ Qd5 40. Qd3 Rc8 (40... Kg7 $17 41. Kg3 h6) 41. h4 $2 {[%mdl 8192]} (41. Qa6 $15 Rd8 42. Ne4) 41... Qd7 $2 (41... Qa2+ $19 {has better winning chances.} 42. Kg3 Rc2) 42. Kg3 $17 Kg7 43. h5 Rc3 ({Better is} 43... Rc6 $1 $17 {Threatens to win with ...h6.} 44. hxg6 Rxg6) 44. Qe4 $11 Re3 ({Don't play} 44... Rxa3 45. Qe5+ Kh6 46. hxg6 Kxg6 47. Ne6 $11) 45. Qb1 Qc7 {[#]} (45... Rxa3 $2 46. h6+ Kf8 47. Nxh7+ $1 {[%mdl 512]} Ke7 48. Ng5 $18) (45... Qd5 $11 {keeps the balance.}) 46. h6+ $1 $16 Kf6 $2 (46... Kf8 $16) 47. Qb4 $18 {White threatens Qf8+ and mate. Dancing on a razor blade.} Qd8 {Prevents Qf8+.} (47... Re8 $18 48. Qxd4+ Ke7 49. Nxh7 Qc1) 48. Nxh7+ {White mates.} Ke6 49. Ng5+ Kf6 50. h7 Re7 51. h8=Q+ {Weighted Error Value: White=0.39/Black=0.61} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.14"]
[White "Umetsubo, Cesar Hidemitsu"]
[Black "Nejanky, Maisa"]
[Result "1-0"]
[ECO "E29"]
[WhiteElo "2402"]
[BlackElo "1948"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,109,25,16,17,-28,-22,-33,-32,-34,-6,-35,0,0,119,102,92,65,243,234,321,321,327,325,319,323,323,324,322,302,314,313,296,156,160,157,198,150,152,152,149,152,152,152,152,148,203,197,199,188,287,278,269,258,249,223,218,215,220,200,439,427,461,453,453,447,437,284,417,114,114,114,29969,29970,29970,29971,29974,114,29976,29977,29981,29982,29982,29983,29983,29982,29984,29985,29985,29985,29986,29986]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 Nc6 8. Ne2 {[%cal Bg1e2,Be2g3,Bg3e4,Be4g5,Bg5e6][%mdl 32]} d6 9. O-O b6 10. e4 Ne8 11. f4 f5 {E29: Nimzo-Indian: Sämisch: 5...0-0 6 e3 c5 7 Bd3 Nc6.} 12. Be3 (12. Ng3 $142) 12... Na5 (12... Nf6 {is more complex.} 13. Ng3 Ng4 14. Qe1 Qh4 15. h3 Nxe3 16. Qxe3 cxd4 17. cxd4 Nxd4 18. Rae1 Bb7) 13. Ng3 g6 {Black is slightly better.} 14. Qe2 {[#]} Qc7 $146 ({Predecessor:} 14... Ng7 15. e5 Ba6 16. Bf2 Rc8 17. d5 dxe5 18. fxe5 exd5 19. cxd5 c4 20. Bc2 Qxd5 {0-1 (60) Ghyselen,W (2118)-Sadkowsky,D (2338) Ghent 2012}) 15. Rad1 Ba6 16. d5 fxe4 (16... Qf7 $11 {keeps the balance.}) 17. Nxe4 $16 Ng7 18. Ng5 {White is more active.} Rae8 {[#]} (18... exd5 $14 19. cxd5 Bxd3 20. Qxd3 Qd7) 19. Nxe6 $1 $18 Nxe6 20. dxe6 Rxe6 21. f5 gxf5 22. Bxf5 Ref6 23. Qg4+ Qg7 {[#]} 24. Bg5 $1 {White threatens Be6+ and mate. A strong pair of Bishops.} Bxc4 {And now ...R6f7 would win.} 25. Bxf6 Rxf6 26. Rf4 {Really sharp!} (26. Rf2 $18) 26... Qxg4 $16 27. Rxg4+ Kh8 {[#]} (27... Kf7 $16) 28. Re1 $1 Bf7 29. Bd3 $36 {[%mdl 2048] Re7 is the strong threat. White is really pushing.} Nc6 {Inhibits Re7.} 30. Rf1 Rxf1+ 31. Bxf1 {[%mdl 4096] Endgame KRB-KBN} Ne5 32. Rg3 Bg6 (32... Bc4 $16 33. Bxc4 Nxc4) 33. h4 $18 h6 34. Kf2 h5 (34... Bf5 $142 35. Ke3 Bc2) 35. Be2 Kh7 36. Rg5 Kh6 37. g4 hxg4 38. Bxg4 b5 39. Be2 c4 $2 (39... a6 {is a better defense.} 40. Ke3 Bf7) 40. Ke3 a5 41. Kd4 Bf7 42. Ke4 Be6 43. Bd1 Bf7 (43... b4 $142 44. axb4 axb4 45. cxb4 Nd3) 44. Rxe5 $2 (44. Ke3 $18 Be8 45. Rg2) 44... dxe5 $16 45. Kxe5 $18 {KB-KB} b4 $2 {[%mdl 8192]} (45... Kg7 $16 46. Kd4 Kh6) 46. axb4 axb4 47. cxb4 {[%cal Bc3b4,Bb4b5,Bb5b6][%mdl 32]} c3 48. Kd4 $2 (48. b5 {mates} Bh5 49. Bc2 Bf3 50. Kd4 Kh5 51. Kxc3 Ba8 52. Kd4 Bg2 53. b6) 48... c2 $2 {[%mdl 8192]} (48... Bh5 $16) 49. Bxc2 {White mates.} Kh5 50. b5 Be6 51. b6 Bc8 52. Ke5 Kxh4 53. Kd6 Bb7 54. Kc7 Ba8 55. Ba4 {Weighted Error Value: White=0.46/Black=0.61} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.15"]
[White "Durante, Aurelio"]
[Black "Labollita, Martin"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "1944"]
[BlackElo "2388"]
[Annotator "RC"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. e5 {[%emt 0:00:36]} Nd5 {[%emt 0:00:39]} 3. c4 {[%emt 0:00:07]} Nb6 {[%emt 0:00:04]} 4. d4 {[%emt 0:00:06]} d6 {[%emt 0:00:05]} 5. exd6 {[%emt 0:00:07]} exd6 {[%emt 0:00:07]} 6. Nc3 {[%emt 0:00:14]} Be7 {[%emt 0:00:07]} 7. Be3 {[%emt 0:00:43]} c6 {[%emt 0:01:13]} 8. h3 {[%emt 0:05:04]} Bf5 {[%emt 0:02:42]} 9. Nf3 {[%emt 0:02:30]} O-O {[%emt 0:11:49]} 10. Be2 {[%emt 0:08:37]} Re8 {[%emt 0:14:52]} 11. Qb3 {[%emt 0:14:47]} Qc8 {[%emt 0:13:38]} 12. O-O {[%emt 0:05:56]} Na6 {[%emt 0:03:30]} 13. a3 {[%emt 0:03:26]} Nd7 {[%emt 0:08:31]} 14. Rfe1 {[%emt 0:03:58]} Nc7 {[%emt 0:01:14]} 15. Rad1 {[%emt 0:01:16]} h6 {[%emt 0:00:22]} 16. d5 {[%emt 0:06:12]} c5 {[%emt 0:01:30]} 17. Bf4 {[%emt 0:01:56]} Bf8 {[%emt 0:03:49]} 18. Bf1 {[%emt 0:02:14]} Rb8 {[%emt 0:02:08]} 19. Rxe8 {[%emt 0:05:45]} Nxe8 {[%emt 0:00:34]} 20. Nd2 {[%emt 0:03:44]} a6 {[%emt 0:05:22]} 21. Re1 {[%emt 0:01:20]} Ndf6 {[%emt 0:03:02]} 22. Nce4 {[%emt 0:03:44]} Nxe4 {[%emt 0:16:19]} 23. Nxe4 {[%emt 0:00:10]} b5 {[%emt 0:00:38]} 24. cxb5 {[%emt 0:03:35]} axb5 {[%emt 0:00:07]} 25. Ng3 {[%emt 0:13:17]} Bg6 {[%emt 0:03:45]} 26. Bxb5 {[%emt 0:06:34]} Nc7 {[%emt 0:00:53]} 27. a4 {[%emt 0:00:49]} Qb7 {[%emt 0:03:32]} 28. Ne4 {[%emt 0:00:39]} Bxe4 {[%emt 0:01:33]} 29. Rxe4 {[%emt 0:00:03]} Nxd5 {[%emt 0:00:06]} 30. Qg3 {[%emt 0:04:27]} Nc3 {[%emt 0:01:34]} 31. Re1 {[%emt 0:01:00]} Nxb5 {[%emt 0:00:58]} 32. axb5 {[%emt 0:00:10]} Qxb5 {[%emt 0:01:10]} 33. Bxd6 {[%emt 0:00:33]} Bxd6 {[%emt 0:00:27]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.16"]
[White "Vitoux, Colomban"]
[Black "Rodriguez Farias, Eduardo"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2372"]
[BlackElo "1931"]
[Annotator "ChessBase"]
[PlyCount "59"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:07:58]} Nf6 {[%emt 0:00:16]} 2. c4 {[%emt 0:00:19]} c5 {[%emt 0:00:29]} 3. g3 {[%emt 0:00:45]} d5 {[%emt 0:01:39]} 4. cxd5 {[%emt 0:00:07]} Nxd5 {[%emt 0:00:07]} 5. Bg2 {[%emt 0:00:38]} Nc6 {[%emt 0:00:39]} 6. b3 {[%emt 0:00:43]} e5 {[%emt 0:03:28]} 7. Bb2 {[%emt 0:00:10]} f6 {[%emt 0:00:08]} 8. O-O {[%emt 0:00:15]} Be7 {[%emt 0:03:20]} 9. Nc3 {[%emt 0:00:24]} Nc7 {[%emt 0:00:58]} 10. Rc1 {[%emt 0:01:19]} Bd7 {[%emt 0:00:28]} 11. e3 {[%emt 0:07:40]} Bg4 {[%emt 0:15:24]} 12. h3 {[%emt 0:02:18]} Bh5 {[%emt 0:00:08]} 13. g4 {[%emt 0:16:32]} Bg6 {[%emt 0:00:30]} 14. d4 {[%emt 0:01:33]} exd4 {[%emt 0:21:06]} 15. exd4 {[%emt 0:00:11]} cxd4 {[%emt 0:00:16]} 16. Ne2 {[%emt 0:01:57]} Ne6 {[%emt 0:00:32]} 17. Nfxd4 {[%emt 0:22:00]} Ncxd4 {[%emt 0:04:07]} 18. Nxd4 {[%emt 0:00:05]} Nf4 {[%emt 0:04:05]} 19. Qf3 {[%emt 0:05:15]} Nxg2 {[%emt 0:04:08]} 20. Qxg2 {[%emt 0:00:49]} Qd7 {[%emt 0:03:17]} 21. Rfd1 {[%emt 0:06:28]} Rd8 {[%emt 0:02:39]} 22. Qf3 {[%emt 0:01:10]} Qd5 {[%emt 0:03:27]} 23. Qxd5 {[%emt 0:09:57]} Rxd5 {[%emt 0:00:14]} 24. Rc7 {[%emt 0:02:52]} Kf7 {[%emt 0:21:00]} 25. f4 {[%emt 0:05:43]} h5 {[%emt 0:05:01]} 26. Re1 {[%emt 0:01:11]} Re8 {[%emt 0:00:59]} 27. Ba3 {[%emt 0:03:17]} Rxd4 {[%emt 0:00:21]} 28. f5 {[%emt 0:00:27]} Bh7 {[%emt 0:00:28]} 29. Rcxe7+ {[%emt 0:00:20]} Rxe7 {[%emt 0:00:24]} 30. Rxe7+ {[%emt 0:00:07]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.17"]
[White "Pinero, Ismael"]
[Black "Coro, Lucas"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1906"]
[BlackElo "2355"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:30]} c5 {[%emt 0:01:34]} 2. Nf3 {[%emt 0:00:07]} d6 {[%emt 0:01:00]} 3. d4 {[%emt 0:00:27]} cxd4 {[%emt 0:00:33]} 4. Nxd4 {[%emt 0:00:15]} Nf6 {[%emt 0:00:16]} 5. Nc3 {[%emt 0:00:11]} a6 {[%emt 0:00:19]} 6. f3 {[%emt 0:00:07]} e5 {[%emt 0:00:51]} 7. Nb3 {[%emt 0:00:02]} Be6 {[%emt 0:03:46]} 8. Be3 {[%emt 0:00:22]} Be7 {[%emt 0:00:14]} 9. Qd2 {[%emt 0:00:05]} O-O {[%emt 0:00:16]} 10. O-O-O {[%emt 0:00:14]} a5 {[%emt 0:00:25]} 11. Bb5 {[%emt 0:00:56]} Na6 {[%emt 0:01:41]} 12. g4 {[%emt 0:01:38]} Nc7 {[%emt 0:01:48]} 13. Qe2 {[%emt 0:13:48]} Qc8 {[%emt 0:04:40]} 14. g5 {[%emt 0:03:44]} Nh5 {[%emt 0:01:46]} 15. Kb1 {[%emt 0:04:43]} g6 {[%emt 0:15:14]} 16. Rhg1 {[%emt 0:13:17]} Kh8 {[%emt 0:00:31]} 17. h4 {[%emt 0:07:08]} Nxb5 {[%emt 0:27:25]} 18. Qxb5 {[%emt 0:06:48]} a4 {[%emt 0:00:19]} 19. Nd2 {[%emt 0:03:34]} Qc6 {[%emt 0:01:25]} 20. a3 {[%emt 0:07:01]} Rfc8 {[%emt 0:04:50]} 21. Qd3 {[%emt 0:07:23]} f5 {[%emt 0:10:35]} 22. Nd5 {[%emt 0:02:42]} Bxd5 {[%emt 0:01:19]} 23. exd5 {[%emt 0:00:04]} Qc7 {[%emt 0:01:45]} 24. c4 {[%emt 0:01:41]} Bf8 {[%emt 0:01:21]} 25. Rc1 {[%emt 0:05:35]} b6 {[%emt 0:00:28]} 26. Nf1 {[%emt 0:01:58]} Bg7 {[%emt 0:00:22]} 27. Bd2 {[%emt 0:02:48]} Rab8 {[%emt 0:01:09]} 28. Ng3 {[%emt 0:03:01]} Nf4 {[%emt 0:01:15]} 29. Bxf4 {[%emt 0:00:39]} exf4 {[%emt 0:00:08]} 30. Ne2 {[%emt 0:00:03]} Qc5 {[%emt 0:06:15]} 31. Nxf4 {[%emt 0:00:42]} b5 {[%emt 0:00:10]} 32. cxb5 {[%emt 0:02:19]} Qf2 {[%emt 0:00:19]} 33. Ne2 {[%emt 0:10:17]} Re8 {[%emt 0:00:24]} 34. Nc3 {[%emt 0:00:41]} Re3 {[%emt 0:00:16]} 35. Rgf1 {[%emt 0:00:21]} Qxb2+ {[%emt 0:00:22]} 36. Kxb2 {[%emt 0:00:19]} Rxd3 {[%emt 0:00:02]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.18"]
[White "Menna Barreto, Felipe Kubiaki"]
[Black "Manteiga, Franco"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2351"]
[BlackElo "1915"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,62,10,-23,12,10,14,0,6,0,0,0,0,0,4,-11,-7,0,0,-30,-18,-23,-18,-14,-7,-9,-8,-5,-4,-8,-11,-10,-8,-14,-3,-12,0,0,7,0,0,0,0,0,0,0,0,-6,-7,-7,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bxf6 Qxf6 5. e4 d6 6. Nbd2 g6 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} (6... g5 $5 {[%cal Rg5g4]}) 7. c3 Bg7 8. Bb5+ Nd7 {[#]} 9. e5 $146 ({Predecessor:} 9. O-O O-O 10. Qb3 Qe7 11. Rfe1 a6 12. Bf1 b6 13. a4 Bb7 14. Rad1 Rab8 15. Qa3 {½-½ (28) Weiss,C (2406)-Polak,T (2520) Austria 2013}) 9... dxe5 10. Bxd7+ Bxd7 11. Nxe5 Qe7 12. Nxd7 Qxd7 13. O-O O-O 14. Nf3 Rfd8 15. Qb3 Qd5 16. Rfd1 {The position is equal.} Rd7 17. Qxd5 Rxd5 18. Kf1 Kf8 19. Ke2 Ke7 20. Rd3 Rad8 21. Rad1 Bf6 22. h3 R5d7 23. g4 Rh8 24. Nd2 h5 25. Ne4 hxg4 26. hxg4 Bg7 27. b3 Rdd8 28. Nd2 Rh4 29. Rg1 Rdh8 30. Nf3 Rh1 31. Rdd1 Rxg1 {Not much happened in this game.  Weighted Error Value: White=0.05 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.19"]
[White "Barandiaran, Gabriel"]
[Black "Lujan, Carolina"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1878"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,51,18,25,24,-3,29,-2,0,0,-1,0,0,-12,0,-62,-60,-73,-54,-40,-41,-42,-54,-39,-39,-53,-16,-18,-16,-17,-15,-16,0,0,0,-6,0,0,0,-3,0,-12]} 1. b4 d5 2. Bb2 Nf6 3. Nf3 c6 4. e3 g6 5. Be2 Bg7 6. O-O O-O 7. c4 Nbd7 {A15: English Opening: 1...Nf6.} 8. d4 a5 (8... dxc4 {seems wilder.} 9. Bxc4 Nd5 10. Qd2 a5 11. bxa5 Qxa5 12. Nc3 N7b6) 9. a3 {[#]} (9. cxd5 {is interesting.} Nxd5 10. b5 cxb5 11. Bxb5 N7b6 12. Nc3) 9... axb4 $146 ({Predecessor:} 9... dxc4 10. Bxc4 b5 11. Bb3 Nb6 12. Ne5 Bb7 13. bxa5 Rxa5 14. Bc3 Ra8 15. Bb4 Nfd5 {0-1 (27) Skrzypczak,M (1973)-Kulon,K (2374) Poland 2015}) 10. axb4 Rxa1 11. Bxa1 dxc4 12. Bxc4 Nb6 13. Nbd2 ({Better is} 13. Be2 $11) 13... Nxc4 $15 14. Nxc4 Bg4 (14... Qd5 $5 {[%cal Rd5c4]} 15. Nb6 Qb5 16. Nxc8 Rxc8 $15) 15. Nce5 {[%cal Ob4b5]} Bxf3 16. Nxf3 Nd5 17. Qb3 Qb6 18. Bc3 Qb5 {...Qd3 is the strong threat.} 19. Ra1 {The position is equal.} Qd3 20. Ra3 Rd8 {[%cal Oe7e5]} 21. Be1 Qe2 22. Qa2 Qd1 {[%cal Oe7e5]} 23. Qd2 Qb1 24. Qa2 Qd1 25. Qd2 Qb1 26. Qa2 {Weighted Error Value: White=0.12 (very precise) /Black=0.07 (flawless)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.20"]
[White "Vazquez, Facundo"]
[Black "Quevedo, Andreina"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "2319"]
[BlackElo "1867"]
[Annotator "ChessBase"]
[PlyCount "47"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:14]} 2. c4 {[%emt 0:00:11]} g6 {[%emt 0:00:16]} 3. g3 {[%emt 0:00:10]} Bg7 {[%emt 0:01:12]} 4. Bg2 {[%emt 0:00:12]} O-O {[%emt 0:00:11]} 5. Nf3 {[%emt 0:00:07]} d6 {[%emt 0:00:44]} 6. O-O {[%emt 0:00:03]} Nc6 {[%emt 0:00:59]} 7. Nc3 {[%emt 0:00:49]} a6 {[%emt 0:00:57]} 8. b3 {[%emt 0:01:05]} e5 {[%emt 0:03:09]} 9. e3 {[%emt 0:03:56]} Rb8 {[%emt 0:05:54]} 10. Bb2 {[%emt 0:02:37]} Bd7 {[%emt 0:01:49]} 11. Rc1 {[%emt 0:02:34]} b5 {[%emt 0:08:17]} 12. cxb5 {[%emt 0:04:18]} axb5 {[%emt 0:03:25]} 13. dxe5 {[%emt 0:04:33]} Nxe5 {[%emt 0:04:15]} 14. Nxe5 {[%emt 0:03:56]} dxe5 {[%emt 0:00:06]} 15. Nd5 {[%emt 0:01:44]} Nxd5 {[%emt 0:35:16]} 16. Qxd5 {[%emt 0:00:04]} Bf5 {[%emt 0:09:04]} 17. Qxd8 {[%emt 0:11:01]} Rfxd8 {[%emt 0:00:05]} 18. Rxc7 {[%emt 0:00:30]} Rd2 {[%emt 0:02:03]} 19. Bc3 {[%emt 0:01:12]} Rc2 {[%emt 0:06:44]} 20. Bd5 {[%emt 0:08:59]} Kh8 {[%emt 0:02:41]} 21. e4 {[%emt 0:02:14]} Bh3 {[%emt 0:06:08]} 22. Bxe5 {[%emt 0:02:52]} Rxc7 {[%emt 0:02:20]} 23. Bxc7 {[%emt 0:00:39]} Rc8 {[%emt 0:00:11]} 24. Rc1 {[%emt 0:00:47]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.21"]
[White "Rodriguez Buela, Martin"]
[Black "Lopez Azambuja, Nicolas"]
[Result "0-1"]
[ECO "A67"]
[WhiteElo "1796"]
[BlackElo "2318"]
[Annotator "ChessBase"]
[PlyCount "58"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:03:42]} 2. c4 {[%emt 0:00:13]} c5 {[%emt 0:00:09]} 3. d5 {[%emt 0:00:26]} e6 {[%emt 0:00:15]} 4. Nc3 {[%emt 0:00:34]} exd5 {[%emt 0:00:26]} 5. cxd5 {[%emt 0:00:13]} d6 {[%emt 0:00:16]} 6. e4 {[%emt 0:00:09]} g6 {[%emt 0:00:04]} 7. f4 {[%emt 0:00:28]} Bg7 {[%emt 0:00:50]} 8. Bb5+ {[%emt 0:00:16]} Nfd7 {[%emt 0:00:19]} 9. a4 {[%emt 0:00:11]} Qh4+ {[%emt 0:01:03]} 10. g3 {[%emt 0:09:31]} Qe7 {[%emt 0:00:41]} 11. Qc2 {[%emt 0:06:57]} Na6 {[%emt 0:01:12]} 12. Bxa6 {[%emt 0:03:21]} bxa6 {[%emt 0:00:01]} 13. Nf3 {[%emt 0:01:25]} O-O {[%emt 0:00:36]} 14. O-O {[%emt 0:01:55]} Rb8 {[%emt 0:03:08]} 15. Re1 {[%emt 0:04:01]} Rb4 {[%emt 0:05:03]} 16. a5 {[%emt 0:19:23]} Nf6 {[%emt 0:07:05]} 17. e5 {[%emt 0:14:03]} dxe5 {[%emt 0:05:48]} 18. d6 {[%emt 0:09:35]} Qb7 {[%emt 0:02:06]} 19. Nxe5 {[%emt 0:00:20]} Ng4 {[%emt 0:13:50]} 20. Na4 {[%emt 0:07:02]} Bf5 {[%emt 0:07:59]} 21. Qd1 {[%emt 0:10:28]} Rd4 {[%emt 0:04:10]} 22. Qf3 {[%emt 0:00:15]} Qb4 {[%emt 0:01:14]} 23. Nc3 {[%emt 0:03:39]} Re8 {[%emt 0:10:45]} 24. Ra4 {[%emt 0:02:20]} Qb8 {[%emt 0:01:40]} 25. d7 {[%emt 0:04:34]} Rxd7 {[%emt 0:02:35]} 26. Rd1 {[%emt 0:01:30]} Rxd1+ {[%emt 0:01:54]} 27. Qxd1 {[%emt 0:00:35]} Nxe5 {[%emt 0:00:10]} 28. fxe5 {[%emt 0:00:07]} Bxe5 {[%emt 0:00:07]} 29. Rc4 {[%emt 0:00:52]} Bxg3 {[%emt 0:01:07]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.22"]
[White "Spata, German"]
[Black "Pena Canapa, Alfredo"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2300"]
[BlackElo "1841"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,111,12,5,6,8,10,8,12,6,12,2,9,0,0,0,0,-12,-16,-8,0,0,0,0,0,0,0,0,0,0,0,-8,-6,-18,0,0,7,-9,-16,-41,-42,-58,-56,-64,-10,-29,-35,-31,-32,-43,0,0,0,0,0,0,0,0,0,-2,5,0,0,0,12,0,0,0,0,0,33,26,26,13,67,62,62,0,47,40,124,0,0,0,0,0,0,0,109,0,16,0,0,0,79,72,533,533,5160,1046,4927,4927,4922,4910]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 c5 {B12: Caro-Kann: Advance Variation.} 7. dxc5 Bxc5 8. Nxc5 Nxc5 {The position is equal.} 9. Bb5+ Nd7 $1 {[#] White must now prevent ...Qa5+.} 10. O-O Ne7 {[#]} 11. Bf4 $146 ({Predecessor:} 11. Nd4 O-O 12. Re1 Nc5 13. Bg5 Bg6 14. c4 h6 15. Bh4 Qc7 16. Bxe7 Qxe7 17. cxd5 exd5 {0-1 (49) Nedev,T (2484)-Mamedyarov,S (2761) Baku 2016}) 11... Bg4 12. h3 Bxf3 13. Qxf3 O-O 14. Rfe1 Rc8 15. c3 Ng6 16. Bh2 Nc5 17. Bf1 Qb6 18. Re2 a5 19. Qe3 Nd7 {[%cal Bc5d7,Bd7b6,Bb6c4][%mdl 32]} 20. Qxb6 Nxb6 21. Rd1 Rfd8 22. f4 a4 {[%cal Oa4a3]} 23. a3 Nc4 24. Rd4 Ne7 25. g4 Nc6 26. Rd3 b5 (26... N6a5 $15) 27. Bg2 N6a5 28. f5 Nb3 {aiming for ...Nc1.} 29. Bf4 {Prevents Nc1.} Nc5 (29... d4 $15) 30. Rd1 $11 Rd7 31. Bg3 Rcd8 32. Bh4 Rc8 33. Bf2 Nb3 {[%cal Bc5b3,Bb3a5,Ba5c6][%mdl 32]} 34. h4 Nba5 35. h5 Nc6 36. Bg3 Re8 37. f6 Red8 38. fxg7 Kxg7 39. Bh4 Rc8 40. Bf6+ {This bishop pair is nice.} Kg8 41. Kh2 Kf8 ({Better is} 41... N6a5 $11) 42. g5 $14 Kg8 43. g6 (43. Kg3 $14) 43... hxg6 (43... fxg6 $11 {is superior.} 44. Bh3 Re8) 44. Bh3 $1 {hxg6 is the strong threat.} Re8 {[#]} (44... gxh5 $14 45. Rg2+ Kf8) 45. hxg6 ({Only move:} 45. Rg1 $1 $16) 45... fxg6 $11 46. Rg1 Kf7 47. Rg4 Rg8 48. Rh4 Nd8 (48... g5 $11 49. Rh7+ Ke8) 49. Rf4 (49. Bg5 $16) 49... Ke8 50. Rh4 {Prevents Rh7.} g5 51. Rg2 Ne3 (51... Rdg7 $11 {remains equal.}) 52. Rxg5 $16 Rxg5 {[%mdl 8192] Loses the game.} (52... Rf8 $16) 53. Bxg5 $18 {White is clearly winning.} Nf5 54. Bxf5 (54. Rh8+ $142 Kf7 55. Bg4) 54... exf5 55. Rh8+ Kf7 56. Rxd8 {Weighted Error Value: White=0.11 (very precise) /Black=0.28 (precise)} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.23"]
[White "Martinez Tagliafico, Sergio"]
[Black "Coppola, Claudio"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1780"]
[BlackElo "2285"]
[Annotator "ChessBase"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:06:31]} Nf6 {[%emt 0:02:11]} 2. c4 {[%emt 0:01:00]} c5 {[%emt 0:00:02]} 3. d5 {[%emt 0:00:09]} b5 {[%emt 0:00:03]} 4. Qc2 {[%emt 0:00:29]} bxc4 {[%emt 0:00:20]} 5. e4 {[%emt 0:00:49]} g6 {[%emt 0:00:15]} 6. Bxc4 {[%emt 0:00:37]} d6 {[%emt 0:00:02]} 7. Nf3 {[%emt 0:00:40]} Nbd7 {[%emt 0:00:05]} 8. O-O {[%emt 0:00:18]} Bg7 {[%emt 0:00:03]} 9. Nc3 {[%emt 0:01:40]} O-O {[%emt 0:00:06]} 10. Re1 {[%emt 0:00:04]} Nh5 {[%emt 0:00:52]} 11. h3 {[%emt 0:15:33]} Rb8 {[%emt 0:03:52]} 12. b3 {[%emt 0:14:04]} Ba6 {[%emt 0:07:18]} 13. Bb2 {[%emt 0:26:15]} Bxc4 {[%emt 0:05:24]} 14. bxc4 {[%emt 0:00:18]} Qa5 {[%emt 0:00:34]} 15. Nd1 {[%emt 0:10:23]} Ne5 {[%emt 0:02:15]} 16. Bc3 {[%emt 0:06:39]} Nxf3+ {[%emt 0:00:11]} 17. gxf3 {[%emt 0:00:07]} Bxc3 {[%emt 0:08:56]} 18. Qxc3 {[%emt 0:00:22]} Qxc3 {[%emt 0:02:59]} 19. Nxc3 {[%emt 0:00:03]} Nf4 {[%emt 0:00:54]} 20. h4 {[%emt 0:07:00]} a6 {[%emt 0:02:10]} 21. Rab1 {[%emt 0:02:21]} Nd3 {[%emt 0:03:43]} 22. Rxb8 {[%emt 0:03:36]} Rxb8 {[%emt 0:00:01]} 23. Rb1 {[%emt 0:00:22]} Rb2 {[%emt 0:00:11]} 24. Rxb2 {[%emt 0:02:25]} Nxb2 {[%emt 0:00:03]} 25. Kf1 {[%emt 0:00:27]} Nxc4 {[%emt 0:00:07]} 26. Ke2 {[%emt 0:00:06]} Kg7 {[%emt 0:19:16]} 27. f4 {[%emt 0:00:45]} Na3 {[%emt 0:00:05]} 28. e5 {[%emt 0:00:56]} Nb5 {[%emt 0:03:08]} 29. Kd3 {[%emt 0:00:16]} Nxc3 {[%emt 0:01:51]} 30. Kxc3 {[%emt 0:00:03]} Kh6 {[%emt 0:00:19]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.24"]
[White "Carbone, Diego"]
[Black "Visillac, Alejandro"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2272"]
[BlackElo "1814"]
[Annotator "ChessBase"]
[PlyCount "55"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:01:22]} e6 {[%emt 0:00:46]} 2. c4 {[%emt 0:00:34]} Nf6 {[%emt 0:00:12]} 3. g3 {[%emt 0:00:25]} d5 {[%emt 0:00:22]} 4. Bg2 {[%emt 0:00:12]} c5 {[%emt 0:00:59]} 5. Nf3 {[%emt 0:00:09]} Be7 {[%emt 0:00:22]} 6. O-O {[%emt 0:01:36]} Nc6 {[%emt 0:01:41]} 7. dxc5 {[%emt 0:06:53]} Bxc5 {[%emt 0:01:26]} 8. a3 {[%emt 0:04:35]} a5 {[%emt 0:06:11]} 9. cxd5 {[%emt 0:01:20]} Qxd5 {[%emt 0:08:05]} 10. Qc2 {[%emt 0:04:23]} Ba7 {[%emt 0:04:23]} 11. Nc3 {[%emt 0:12:38]} Qh5 {[%emt 0:07:29]} 12. h3 {[%emt 0:10:17]} O-O {[%emt 0:10:29]} 13. g4 {[%emt 0:07:57]} Nxg4 {[%emt 0:04:41]} 14. hxg4 {[%emt 0:00:41]} Qxg4 {[%emt 0:00:06]} 15. Qe4 {[%emt 0:01:32]} Qh5 {[%emt 0:01:03]} 16. Qh4 {[%emt 0:03:16]} Qg6 {[%emt 0:09:35]} 17. Qg5 {[%emt 0:02:49]} Qc2 {[%emt 0:00:07]} 18. Ne1 {[%emt 0:06:11]} Qg6 {[%emt 0:01:41]} 19. Qxg6 {[%emt 0:03:31]} fxg6 {[%emt 0:00:06]} 20. Nb5 {[%emt 0:00:44]} Nd4 {[%emt 0:01:03]} 21. Nxd4 {[%emt 0:00:53]} Bxd4 {[%emt 0:00:08]} 22. Nd3 {[%emt 0:01:19]} Ra6 {[%emt 0:01:37]} 23. Bg5 {[%emt 0:05:00]} h6 {[%emt 0:00:32]} 24. Be7 {[%emt 0:00:34]} Rf5 {[%emt 0:01:19]} 25. Rac1 {[%emt 0:00:53]} Bd7 {[%emt 0:03:22]} 26. Bxb7 {[%emt 0:00:43]} Rb6 {[%emt 0:00:26]} 27. Be4 {[%emt 0:00:17]} Rh5 {[%emt 0:00:47]} 28. Bxg6 {[%emt 0:00:57]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.25"]
[White "Kulik, Nicolas"]
[Black "Miranda, Rafael"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "1775"]
[BlackElo "2264"]
[Annotator "ChessBase"]
[PlyCount "48"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 {[%emt 0:00:10]} d6 {[%emt 0:00:17]} 3. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:00:03]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:15]} a6 {[%emt 0:00:02]} 6. Bg5 {[%emt 0:00:13]} e6 {[%emt 0:00:36]} 7. f4 {[%emt 0:00:10]} Be7 {[%emt 0:00:14]} 8. Qf3 {[%emt 0:00:31]} Qc7 {[%emt 0:00:05]} 9. O-O-O {[%emt 0:00:28]} Nbd7 {[%emt 0:00:08]} 10. g4 {[%emt 0:01:06]} h6 {[%emt 0:00:20]} 11. Bxf6 {[%emt 0:01:11]} Bxf6 {[%emt 0:00:11]} 12. Bg2 {[%emt 0:02:00]} g5 {[%emt 0:15:54]} 13. h4 {[%emt 0:12:16]} gxf4 {[%emt 0:02:33]} 14. g5 {[%emt 0:02:06]} hxg5 {[%emt 0:08:28]} 15. hxg5 {[%emt 0:00:01]} Rxh1 {[%emt 0:00:08]} 16. Bxh1 {[%emt 0:00:14]} Bxd4 {[%emt 0:00:07]} 17. Rxd4 {[%emt 0:00:04]} Qc5 {[%emt 0:00:08]} 18. Ne2 {[%emt 0:07:56]} Nf8 {[%emt 0:13:30]} 19. Qd3 {[%emt 0:02:25]} e5 {[%emt 0:14:25]} 20. Rxd6 {[%emt 0:05:04]} Bg4 {[%emt 0:00:17]} 21. Rd5 {[%emt 0:02:55]} Qf2 {[%emt 0:00:10]} 22. Rxe5+ {[%emt 0:03:07]} Ne6 {[%emt 0:00:06]} 23. Kd2 {[%emt 0:02:14]} Bxe2 {[%emt 0:00:26]} 24. Rxe6+ {[%emt 0:00:41]} fxe6 {[%emt 0:00:01]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.26"]
[White "Michailov, Matias"]
[Black "Silva Rosas, Natalia"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2248"]
[BlackElo "1777"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,41,71,58,62,60,70,77,102,77,97,92,126,100,107,93,90,53,60,72,94,97,125,120,239,156,149,13]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 c6 7. O-O Bg4 {7...e5 is a critical line.} 8. Be3 Nbd7 9. h3 Bxf3 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4.} 10. Bxf3 e5 11. d5 $1 c5 {White is better.} 12. a3 {White is more active.} Nb6 {[#]} 13. Qd3 $146 ({Predecessor:} 13. Be2 Nfd7 14. b4 f5 15. f3 a6 16. bxc5 Nxc5 17. Bxc5 dxc5 18. Rb1 Bh6 19. Qd3 {½-½ (33) Morris,G-Pinto,M ICCF corr 1995}) 13... Rc8 14. Rfc1 a6 15. Rab1 Nfd7 16. Na2 f5 17. b4 f4 18. Bd2 Na4 19. Bg4 Nab6 (19... Bf6 $16 {was necessary.} 20. Qc2 b5) 20. Be6+ Kh8 21. bxc5 {[%mdl 32768] Weighted Error Value: White=0.20 (precise) /Black=0.22 (precise) . Loss on time!?} (21. f3 $16) 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.30"]
[White "Fernandez, Maria Florencia"]
[Black "Perez Selios, Luis"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2200"]
[BlackElo "1429"]
[Annotator "ChessBase"]
[PlyCount "75"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:05:59]} d5 {[%emt 0:00:32]} 2. c4 {[%emt 0:00:25]} c6 {[%emt 0:00:33]} 3. Nc3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:32]} 4. Nf3 {[%emt 0:00:20]} dxc4 {[%emt 0:00:36]} 5. a4 {[%emt 0:00:54]} Bf5 {[%emt 0:00:09]} 6. e3 {[%emt 0:00:41]} e6 {[%emt 0:00:11]} 7. Bxc4 {[%emt 0:00:05]} Bb4 {[%emt 0:00:12]} 8. Qb3 {[%emt 0:00:49]} Qe7 {[%emt 0:00:14]} 9. O-O {[%emt 0:00:36]} Nbd7 {[%emt 0:01:30]} 10. Na2 {[%emt 0:02:45]} a5 {[%emt 0:04:01]} 11. Nxb4 {[%emt 0:00:15]} Qxb4 {[%emt 0:00:10]} 12. Qxb4 {[%emt 0:00:20]} axb4 {[%emt 0:00:08]} 13. Bd2 {[%emt 0:00:10]} Nb6 {[%emt 0:00:08]} 14. Bb3 {[%emt 0:00:50]} Nbd5 {[%emt 0:00:27]} 15. Rfe1 {[%emt 0:03:39]} Ne4 {[%emt 0:01:00]} 16. Bxd5 {[%emt 0:00:37]} Nxd2 {[%emt 0:00:45]} 17. Bxc6+ {[%emt 0:00:07]} bxc6 {[%emt 0:00:06]} 18. Nxd2 {[%emt 0:00:04]} O-O {[%emt 0:00:24]} 19. Rec1 {[%emt 0:02:05]} Rfc8 {[%emt 0:01:33]} 20. Rc4 {[%emt 0:03:43]} Bd3 {[%emt 0:04:04]} 21. Rxb4 {[%emt 0:00:32]} c5 {[%emt 0:00:08]} 22. dxc5 {[%emt 0:00:48]} Rxc5 {[%emt 0:00:10]} 23. Nb3 {[%emt 0:02:04]} Rc2 {[%emt 0:01:45]} 24. Nd4 {[%emt 0:01:24]} Rd2 {[%emt 0:01:55]} 25. a5 {[%emt 0:00:43]} Ba6 {[%emt 0:02:11]} 26. Nc6 {[%emt 0:06:42]} Kf8 {[%emt 0:06:34]} 27. Rb6 {[%emt 0:01:56]} Ke8 {[%emt 0:01:49]} 28. b4 {[%emt 0:00:23]} Rb2 {[%emt 0:00:52]} 29. Rd1 {[%emt 0:01:13]} f6 {[%emt 0:01:14]} 30. h3 {[%emt 0:01:05]} e5 {[%emt 0:00:29]} 31. Nb8 {[%emt 0:03:30]} Be2 {[%emt 0:03:02]} 32. Rc1 {[%emt 0:00:42]} Bd3 {[%emt 0:02:22]} 33. Rb7 {[%emt 0:01:25]} Rc2 {[%emt 0:01:23]} 34. Rxc2 {[%emt 0:01:59]} Bxc2 {[%emt 0:00:10]} 35. Nc6 {[%emt 0:06:12]} Be4 {[%emt 0:02:22]} 36. b5 {[%emt 0:00:18]} Bxc6 {[%emt 0:01:23]} 37. bxc6 {[%emt 0:00:04]} Rxa5 38. Rb8+ 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.31"]
[White "Lanzilotta, Filippo"]
[Black "Muniz, Rafael"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1299"]
[BlackElo "2194"]
[Annotator "ChessBase"]
[PlyCount "48"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:13:22]} d6 {[%emt 0:00:07]} 2. d4 {[%emt 0:00:15]} Nf6 {[%emt 0:00:23]} 3. Nc3 {[%emt 0:00:35]} c6 {[%emt 0:01:43]} 4. Bd3 {[%emt 0:01:00]} e5 {[%emt 0:01:09]} 5. Nge2 {[%emt 0:01:38]} Be7 {[%emt 0:01:58]} 6. Be3 {[%emt 0:02:24]} b5 {[%emt 0:04:34]} 7. a3 {[%emt 0:04:33]} a6 {[%emt 0:03:32]} 8. O-O {[%emt 0:01:33]} O-O {[%emt 0:03:49]} 9. f4 {[%emt 0:01:09]} Ng4 {[%emt 0:01:26]} 10. Bd2 {[%emt 0:00:30]} exd4 {[%emt 0:01:07]} 11. Nxd4 {[%emt 0:00:59]} Qb6 {[%emt 0:03:56]} 12. Nce2 {[%emt 0:01:42]} Bf6 {[%emt 0:04:35]} 13. e5 {[%emt 0:03:51]} dxe5 {[%emt 0:01:02]} 14. fxe5 {[%emt 0:00:53]} Bxe5 {[%emt 0:01:02]} 15. c3 {[%emt 0:00:41]} c5 {[%emt 0:02:05]} 16. Qb3 {[%emt 0:08:40]} cxd4 {[%emt 0:02:32]} 17. Bc4 {[%emt 0:01:21]} dxc3+ {[%emt 0:02:09]} 18. Kh1 {[%emt 0:00:09]} Nf2+ {[%emt 0:03:31]} 19. Kg1 {[%emt 0:00:04]} cxb2 {[%emt 0:05:16]} 20. Rae1 {[%emt 0:00:57]} Nd3+ {[%emt 0:03:00]} 21. Kh1 {[%emt 0:00:12]} Nxe1 {[%emt 0:01:19]} 22. Rxf7 {[%emt 0:06:10]} Rxf7 {[%emt 0:00:47]} 23. Bxf7+ {[%emt 0:00:46]} Kh8 {[%emt 0:00:50]} 24. Qd5 {[%emt 0:02:37]} Bb7 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.32"]
[White "Carvalho, Guillermo"]
[Black "Dominguez, Sebastian"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2171"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,103,28,36,19,22,10,36,0,10,6,32,27,14,26,76,76,79,75,87,72,124,104,172,164,235,235,204,179,164,161,270,61,58,57,56,58,97,90,197,131,108,112,131,108,108,102,203,199,320,120,120,120,263,120,411,408,414,408,469,470,480,487,535,394,5739,5727,5110,5360,5110,3162,10581,628,29968,628,29964,29963,29970,29971,29977,29978,29978,29977,29984,29985,29985,29986,29988,29988,29994,29995]} 1. c4 Nf6 2. Nc3 g6 3. e4 Bg7 4. g3 O-O 5. Bg2 d6 6. Nge2 e5 7. d3 Nc6 8. O-O Ne8 {8...Nd7 gains popularity.} 9. f4 {A26: English Opening vs King's Indian with ...Nc6 and d3.} f5 10. Rb1 a5 11. Nd5 {White is slightly better.} Nf6 {[#]} 12. b3 $146 ({Predecessor:} 12. Nxf6+ Qxf6 13. Nc3 Qd8 14. Nd5 Nd4 15. Be3 c6 16. Nc3 Be6 17. a3 Qd7 18. fxe5 Bxe5 19. Ne2 Nxe2+ 20. Qxe2 c5 21. Rfd1 fxe4 22. Bxe4 Bg4 {0-1 (22) Fuhrmann,A (1470)-Kiesel,L (1530) Magdeburg 2014}) 12... Nxd5 13. cxd5 Ne7 14. Be3 fxe4 (14... Bd7 $11 {keeps the balance.}) 15. dxe4 $16 Bg4 16. h3 Bd7 17. Qd2 Qc8 (17... a4 $142) 18. Kh2 {White is more active.} h5 (18... c6 $16) 19. fxe5 $18 Bxe5 (19... Rxf1 $142 20. Rxf1 dxe5) 20. Bg5 Qe8 21. Rbc1 c6 22. Nf4 {Black must now prevent Ne6.} cxd5 (22... Kh7 $142 23. dxc6 bxc6) 23. Nxd5 $2 ({White should play} 23. Bxe7 $18 Bxf4 24. Qxd5+ (24. gxf4 Qxe7 25. Rc7 dxe4 $16) (24. Rxf4 Rxf4 25. gxf4 Qxe7 $16) 24... Rf7 25. Rxf4 Qxe7 26. Rxf7 (26. Qxb7 Raf8 $18) 26... Qxf7 27. Qxb7 (27. Qxd6 Qe6 $16)) 23... Nxd5 $14 24. Rxf8+ (24. exd5 Rxf1 25. Rxf1 Bf5 $11) 24... Kxf8 25. Qxd5 {Threatens to win with Bh6+.} Be6 26. Qxb7 {Hoping for Qh7.} Rc8 (26... Kg8 $16) 27. Rc7 (27. Rxc8 $18 Qxc8 28. Qe7+ Kg8 29. Bf4) 27... Rxc7 $16 28. Qxc7 Qf7 29. Qxf7+ ({Much weaker is} 29. Qxa5 $6 Qf2 30. Bf4 Bxf4 31. Qd8+ (31. gxf4 Qxf4+ 32. Kh1 Qc1+ 33. Kh2 Qf4+ 34. Kh1 Qc1+ 35. Kh2 Qf4+ $11) 31... Kg7 32. Qc7+ (32. gxf4 Qxf4+ 33. Kh1 Qc1+ 34. Kh2 Qf4+ 35. Kh1 Qc1+ 36. Kh2 Qf4+ $11) 32... Kh6 33. gxf4 Qxf4+ 34. Kh1 Qd2 $11) 29... Kxf7 {[%mdl 4096] Endgame KBB-KBB} 30. Bf1 Ke8 {[#]} (30... d5 $16) 31. Bb5+ $1 $18 Bd7 (31... Kf7 $142 32. Bc6 Bc3) 32. Bc4 $2 (32. Bxd7+ $18 {and White stays clearly on top.} Kxd7 33. Bd2) 32... Bc6 33. Bd5 Bb5 {[#]} (33... Bd7 $16 34. Kg2 a4) 34. Kg2 (34. a4 $1 $18 {[%cal Ra4b5] and the rest is easy.} Bd3 35. Bc6+ Kf7 36. Bd2) 34... Bd3 {[%mdl 8192]} (34... Bc3 $16 {was necessary.} 35. Kf3 Bd7) 35. Bd2 a4 36. bxa4 {[%cal Bb3a4,Ba4a5,Ba5a6][%mdl 32]} Kd7 37. Kf3 Bf1 38. h4 Bh3 39. Bf7 Be6 $2 (39... Bg4+ 40. Kf2 Bd4+ 41. Be3 Ke7) 40. Bxe6+ Kxe6 {KB-KB} 41. a5 Kd7 42. a6 Kc8 43. Be3 (43. Bf4 $142 Bd4 44. Bxd6) 43... Kb8 44. Bf2 {White wants to mate with Ke2.} Ka8 45. Ke2 {White mates.} Kb8 46. Kd3 Ka8 47. Kc4 Kb8 48. Kd5 Bf6 49. Kxd6 g5 50. e5 {[%cal Be4e5,Be5e6][%mdl 32]} Bd8 51. Kd7 Bc7 52. e6 {Weighted Error Value: White=0.54/Black=0.85} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.33"]
[White "Monferrato, Rocco"]
[Black "Palacio, Enzo"]
[Result "0-1"]
[ECO "E92"]
[BlackElo "1896"]
[Annotator "NA RC"]
[PlyCount "84"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 {[%emt 0:01:07]} e5 {[%emt 0:01:29]} 7. Be3 {[%emt 0:00:09]} Ng4 {[%emt 0:00:53]} 8. Bg5 {[%emt 0:00:10]} f6 {[%emt 0:00:03]} 9. Bh4 {[%emt 0:02:58]} Qe8 {[%emt 0:13:08]} 10. h3 {[%emt 0:06:54]} Nh6 {[%emt 0:00:33]} 11. Qd2 {[%emt 0:03:06]} Nf7 {[%emt 0:09:01]} 12. Nd5 {[%emt 0:02:40]} Qd8 {[%emt 0:02:09]} 13. c5 {[%emt 0:20:28]} c6 {[%emt 0:05:11]} 14. Nc3 {[%emt 0:02:57]} exd4 {[%emt 0:05:45]} 15. Qxd4 {[%emt 0:02:54]} dxc5 {[%emt 0:01:57]} 16. Qxc5 {[%emt 0:01:50]} Qb6 {[%emt 0:04:26]} 17. Qxb6 {[%emt 0:02:01]} axb6 {[%emt 0:06:00]} 18. O-O {[%emt 0:01:20]} b5 {[%emt 0:06:12]} 19. Bg3 {[%emt 0:07:41]} b4 {[%emt 0:02:01]} 20. Nb1 {[%emt 0:04:23]} Be6 {[%emt 0:05:28]} 21. Nd4 {[%emt 0:01:55]} Bd7 {[%emt 0:11:06]} 22. Bc4 {[%emt 0:09:12]} Re8 {[%emt 0:00:51]} 23. Re1 {[%emt 0:01:57]} b5 {[%emt 0:00:53]} 24. Bxf7+ {[%emt 0:00:32]} Kxf7 {[%emt 0:00:04]} 25. Nd2 {[%emt 0:02:07]} c5 {[%emt 0:05:42]} 26. N4b3 {[%emt 0:02:20]} Na6 {[%emt 0:05:12]} 27. Rad1 {[%emt 0:06:22]} Be6 {[%emt 0:01:21]} 28. Bd6 {[%emt 0:01:02]} Bf8 {[%emt 0:01:04]} 29. Bxf8 {[%emt 0:00:58]} Rxf8 {[%emt 0:00:34]} 30. Nb1 {[%emt 0:03:59]} Rfd8 31. Rd2 Rxd2 {[%emt 0:04:34]} 32. N1xd2 {[%emt 0:06:30]} Rd8 33. Nf3 Rd3 {[%emt 0:05:14]} 34. Ra1 {[%emt 0:01:24]} Ke7 {[%emt 0:01:13]} 35. Nc1 {[%emt 0:01:35]} Rd1+ {[%emt 0:00:13]} 36. Kh2 {[%emt 0:00:02]} c4 {[%emt 0:01:42]} 37. a3 {[%emt 0:00:15]} c3 {[%emt 0:01:30]} 38. bxc3 {[%emt 0:00:15]} bxc3 {[%emt 0:00:47]} 39. Nd4 {[%emt 0:00:07]} Rxd4 {[%emt 0:00:08]} 40. Ne2 {[%emt 0:00:42]} Rc4 41. Rb1 c2 {[%emt 0:00:33]} 42. Rc1 {[%emt 0:00:57]} Nc5 {[%emt 0:00:08]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.34"]
[White "Martello, Benjamin"]
[Black "Martinez Alvarez, Mateo"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1594"]
[BlackElo "1093"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d3 e6 6. O-O Be7 7. Re1 O-O 8. Bf1 Qc7 9. d4 cxd4 10. cxd4 a6 11. Nc3 b5 12. d5 b4 13. dxc6 bxc3 14. e5 Nd5 15. Qa4 dxe5 16. Nxe5 Bf6 17. Ng4 Be7 18. Bd3 f5 19. Ne5 Bf6 20. f4 Qb6+ 21. Kh1 Bxe5 22. fxe5 cxb2 23. Bxb2 Qxb2 24. Rab1 Qd2 25. Bc4 Nc3 26. Qb3 Nxb1 27. Bxe6+ Kh8 28. Rxb1 Bxe6 29. Qxe6 Rad8 30. h3 Qd5 31. Qxd5 Rxd5 32. c7 Rxe5 33. Rb8 Ree8 34. Rb7 Re1+ 35. Kh2 Rc1 36. Rb8 Kg8 37. Rb7 Rc8 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.35"]
[White "Borgiani, Leonardo"]
[Black "Castro, Cesar"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "2097"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,33,31,27,31,15,19,2,10,-15,-16,-76,-80,-69,-64,-149,-145,-266,-193,-185,-168,-276,-242,-282,-159,-156,-166,-156,-149,-149,-79,-157,-157,-157,-152,-152,-115,-125,-133,-120,-126,-120,-17,-29,0,-92,-92,-92,-92,-154,-127,-127,-117,-170,-112,-176,-171,-173,-65,-63,-24,-205,-24,-24,0,-228,-227,-577,-541,-554,-492,-611,-587,-796,-820,-12837,-12836,-12838,-12838,-12841,-12842,-12842,-12843,-12850,-12849,-12850,-12849,-12850,-12850]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 Nbd7 5. Bd3 b6 6. Bc2 {B50: Sicilian: 2...d6, Miscellaneous.} Bb7 7. Qe2 Qc7 8. d3 {The position is equal.} g6 {[#]} 9. Be3 $146 ({Predecessor:} 9. Nbd2 Bg7 10. Nf1 Rc8 11. Ng3 O-O 12. O-O e5 13. Be3 d5 14. Rac1 b5 15. Bd2 {0-1 (48) Forgues,F (2120)-Delorme,A (2317) Creon 2007}) 9... Bg7 10. Qd2 (10. Bd2 $11 {keeps the balance.}) 10... d5 11. exd5 Nxd5 12. d4 (12. O-O $15) 12... O-O $17 13. Bh6 (13. Na3 $17 {was worth a try.}) 13... e5 {[%cal Oe5e4] aiming for ...e4!} 14. Bxg7 Kxg7 15. Na3 (15. c4 $142 Nf4 16. d5) 15... exd4 $19 16. O-O Qf4 ({Black should try} 16... Nf4 $19 17. cxd4 Bxf3) 17. cxd4 $17 Qxd2 18. Nxd2 cxd4 19. Be4 f5 (19... Nc5 $142 20. Bf3 Rad8) 20. Bf3 (20. Bxd5 $142 Bxd5 21. Nb5) 20... Ne5 21. Bxd5 Bxd5 22. Nb5 Nc4 {Black is much more active. White has bad knights.} 23. Nxc4 Bxc4 24. Nxd4 Bxf1 25. Ne6+ Kg8 (25... Kh6 $17 {[%cal Of8f6] Hoping for ...Rf6!} 26. Nxf8 Bxg2 $1 27. Kxg2 Rxf8) 26. Nxf8 $11 Bxg2 27. Kxg2 (27. Nxh7 $11 Bxh3 28. Ng5) 27... Kxf8 {[%mdl 4096] Endgame KR-KR} 28. Rc1 Re8 $1 29. Rc7 (29. h4 $142) 29... Re7 $17 30. Rc8+ Kf7 31. Kf3 (31. Kg3 $17) 31... Kf6 (31... Kg7 $1 $19 32. Rc4 Kh6) 32. Rc3 (32. h4 $17) 32... Kg5 $19 33. Rc4 h5 (33... Rd7 $19 {[%cal Of5f4]} 34. h4+ Kh5) 34. h4+ $15 Kf6 35. b4 $2 {[#]} (35. Rc6+ $11 Kg7 36. b3) 35... b5 $2 (35... Re4 $1 $19 {[%cal Re4c4]} 36. Rxe4 fxe4+ 37. Kxe4 g5) 36. Rc6+ $11 Kf7 37. Kf4 $2 (37. Kg3 $11 {and White stays safe.}) 37... Re4+ $19 38. Kg5 $2 (38. Kg3 {was the crucial defense.}) 38... Rg4+ {Black is clearly winning.} 39. Kh6 Rxh4 ({Inferior is} 39... Rxb4 40. Rc7+ Kf6 41. Rc6+ Ke7 42. Kxg6 $17) 40. Rxg6 Rxb4 41. Rg7+ Kf6 42. Rxa7 {[#]} h4 $1 43. Ra3 Ra4 44. Rb3 Ra8 {[%cal Ra8h8]} 45. Kh7 {To avoid Rh8+} Rxa2 46. Rxb5 Kg5 47. f3 Ra7+ 48. Kg8 Ra3 {Weighted Error Value: White=0.71/Black=0.24 (precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "2.36"]
[White "Dotta, Gian Franco"]
[Black "Blanco, Rudemar Ernesto"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1991"]
[BlackElo "1549"]
[Annotator "NA"]
[PlyCount "54"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. c4 e6 {[%emt 0:00:50]} 3. g3 {[%emt 0:00:19]} Nf6 {[%emt 0:01:34]} 4. Nf3 {[%emt 0:00:12]} Bb4+ {[%emt 0:01:17]} 5. Bd2 {[%emt 0:00:14]} Be7 {[%emt 0:00:08]} 6. Bg2 {[%emt 0:00:42]} O-O {[%emt 0:01:17]} 7. O-O {[%emt 0:00:15]} Nbd7 {[%emt 0:00:26]} 8. Qc2 {[%emt 0:01:13]} b6 {[%emt 0:00:33]} 9. Ne5 {[%emt 0:01:29]} Nxe5 {[%emt 0:04:27]} 10. dxe5 {[%emt 0:00:03]} Ne8 {[%emt 0:00:16]} 11. cxd5 {[%emt 0:02:35]} exd5 {[%emt 0:00:16]} 12. Qc6 {[%emt 0:00:22]} Rb8 {[%emt 0:00:42]} 13. Qxd5 {[%emt 0:00:39]} Qxd5 {[%emt 0:00:47]} 14. Bxd5 {[%emt 0:00:03]} Bb7 {[%emt 0:01:30]} 15. Bxb7 {[%emt 0:01:21]} Rxb7 {[%emt 0:00:11]} 16. Nc3 {[%emt 0:00:44]} c6 {[%emt 0:00:42]} 17. Rac1 {[%emt 0:00:40]} Nc7 {[%emt 0:00:26]} 18. Ne4 {[%emt 0:00:54]} c5 {[%emt 0:00:46]} 19. Nd6 {[%emt 0:00:55]} Bxd6 {[%emt 0:05:02]} 20. exd6 {[%emt 0:00:08]} Nb5 {[%emt 0:00:14]} 21. Bf4 {[%emt 0:00:26]} Rd7 {[%emt 0:00:21]} 22. Rcd1 {[%emt 0:01:16]} Rfd8 {[%emt 0:03:16]} 23. Rd2 {[%emt 0:00:11]} Nd4 {[%emt 0:00:58]} 24. Kg2 {[%emt 0:00:29]} f6 {[%emt 0:01:08]} 25. h3 {[%emt 0:00:29]} Ne6 {[%emt 0:00:30]} 26. Rfd1 {[%emt 0:02:01]} Kf7 {[%emt 0:01:17]} 27. Be3 {[%emt 0:01:03]} Nf8 {[%emt 0:01:33]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.1"]
[White "Delgado Ramirez, Neuris"]
[Black "Vazquez, Facundo"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2615"]
[BlackElo "2319"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,89,16,4,4,-36,7,10,11,9,29,28,20,12,18,15,13,17,110,101,108,116,116,61,75,54,84,91,116,93,91,91,98,83,79,71,88,87,92,91,90,86,86,93,94,104,101,90,149,119,121,128,127,120,117,119,129,110,124,101,109,107,224,236,368,357,323,338,341,202,214,195,408,402,684,653,543,387,5273,778,2557,2268]} 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bb5 Nd4 5. O-O a6 6. Bd3 Nc6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 7. Re1 {7.Nd5 is the recent fashion.} d6 (7... g5 $15 8. g3 d6) 8. Bf1 $11 Nf6 {The position is equal.} 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Be7 12. Bg5 {[#]} O-O $146 ({Predecessor:} 12... Bd7 13. Bxf6 Bxf6 14. Qxd6 Bxc3 15. bxc3 Bc6 16. Qb4 a5 17. Qc5 Qe7 18. Qxe7+ Kxe7 {1-0 (89) Xu,X (2573)-Zou,C (2452) Shaoxing 2021}) 13. Rad1 Ne8 (13... h6 $11 {keeps the balance.} 14. Bxf6 Bxf6 15. Qxd6 Qxd6 16. Rxd6 Be5) 14. Bxe7 $16 {White is much more active.} Qxe7 15. Qb6 $1 Qd7 16. e5 ({Better is} 16. Re3 $16) 16... d5 $14 17. Bd3 f5 18. Ne2 Qc6 {To avoid c4} 19. Qe3 Nc7 20. Nd4 Qe8 21. f4 Bd7 22. c3 Rc8 23. Kh1 Bb5 24. Bb1 Bc6 25. h3 Nb5 26. Nf3 Rd8 27. Kh2 Qe7 28. a4 d4 29. Qf2 ({But not} 29. cxd4 $6 Nc7 $11) (29. Nxd4 $6 Nxd4 30. Rxd4 Rxd4 31. Qxd4 Rd8 $11) 29... Nc7 30. Rxd4 Rxd4 31. Nxd4 (31. Qxd4 Bxf3 32. gxf3 Qh4 $17) 31... Bxa4 32. Ba2 Kh8 33. Qf3 Rb8 34. Rg1 Bd7 35. Rd1 Nb5 {[#]} (35... Ba4 $16) 36. Nxb5 $1 $18 Bxb5 (36... axb5 {might work better.} 37. Rd6 b6) 37. Rd6 Bc6 38. Qf2 ({Weaker is} 38. Rxe6 {[#]} Qxe6 $1 39. Bxe6 Bxf3 40. gxf3 g6 $17) 38... Rd8 39. Rxe6 (39. Rxd8+ $142 Qxd8 40. Bxe6) 39... Qf8 40. Bc4 Rd7 $2 (40... a5 41. Qe3 a4) 41. Qc5 {[%cal Rc5f8]} Qd8 (41... Rd8 $142 42. Rd6 Rxd6 43. exd6 Qc8) 42. Rd6 Rxd6 43. exd6 Qf6 (43... Bd7 44. Qa7 Be8) 44. Qe5 (44. Bd5 $142 Bxd5 45. Qc8+ Bg8 46. Qc7) 44... Qg6 45. Bd5 {Weighted Error Value: White=0.16 (very precise) /Black=0.30} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.2"]
[White "Coro, Lucas"]
[Black "Tristan, Leonardo"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2355"]
[BlackElo "2561"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,50,27,42,15,17,15,23,22,20,10,6,0,0,0,0,0,0,-10,0,-11,0,-15,0,0,0,0,33,38,80,66,72,54,91,52,48]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 {[%cal Bg8f6,Bf6d5,Bd5b6][%mdl 32]} 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3 Bf5 10. Nf3 {B03: Alekhine's Defence: Four Pawns Attack.} d5 11. Be2 {[%cal Bf1e2,Be2f3,Bf3g2][%mdl 32]} Nc6 12. O-O {White has an edge.} Bg4 13. c5 Nc8 14. h3 Bxf3 15. Bxf3 e6 16. Ne2 N8e7 17. g4 {[#] Inhibits Nf5.} b6 $146 ({Predecessor:} 17... Qd7 18. Bg2 f5 19. Qd2 fxg4 20. hxg4 e5 21. f3 Rf7 22. dxe5 Nxe5 23. Nd4 N7c6 24. Rf2 Raf8 25. Rcf1 Qe7 26. Nxc6 bxc6 27. Bd4 Qh4 28. Be3 Qg3 29. Qe1 {0-1 (29) Solozhenkina,E (2314)-Cornette,D (2405) Monte Carlo 2019}) 18. Qd2 a5 {Inhibits b4.} 19. Bg2 bxc5 20. Rxc5 Qb6 21. Nc3 Rfb8 {[%cal Oa5a4]} 22. Nb5 a4 (22... Rc8 $14 {is more appropriate.}) 23. b4 $16 {White is more active.} a3 24. Rfc1 Ra4 25. Rb1 Qd8 {Weighted Error Value: White=0.08 (flawless) /Black=0.09 (flawless)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.3"]
[White "Perez Ponsa, Federico"]
[Black "Spata, German"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2553"]
[BlackElo "2300"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,57,24,19,23,20,29,12,39,39,45,44,43,41,35,20,33,9,14,0,35,12,32,0,10,0,0,0,0,0,0,0,0,0,7,0,0,0,0,-11,-14,-27,-36,-104]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nc3 Nxe5 7. dxe5 Nxc3 8. bxc3 Be7 9. O-O {9.Qh5 is vanishing.} O-O {C43: Petroff Defence: 3 d4.} 10. f4 f5 11. Be3 c5 {The position is equal.} 12. Be2 Be6 {[#]} 13. a4 $146 ({Predecessor:} 13. Bf3 Qd7 14. a4 Rad8 15. Qe2 Qc7 16. Rfb1 b6 17. Rd1 g5 18. h3 Rd7 19. Rd2 {1-0 (43) Carlsen,M (2876)-Shirov,A (2664) Douglas 2019}) 13... Qc7 14. Kh1 Rfd8 15. Bf3 Rac8 {[%cal Od5d4]} 16. Rb1 {[%cal Oc3c4]} b6 {[%cal Od5d4]} 17. Bg1 {To avoid d4} Rd7 18. Qe2 {[%cal Oa4a5]} d4 19. c4 Bf8 20. Rfe1 Rdd8 21. a5 Rb8 22. axb6 Rxb6 23. Rxb6 axb6 24. Rb1 g6 25. Bd5 Qf7 26. Bxe6 Qxe6 27. h3 Qc6 28. Re1 Ra8 29. Kh2 {Weighted Error Value: White=0.08 (flawless) /Black=0.05 (flawless)} (29. Bf2 $15) 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.4"]
[White "Lopez Azambuja, Nicolas"]
[Black "Hungaski, Robert"]
[Result "0-1"]
[ECO "E40"]
[WhiteElo "2318"]
[BlackElo "2537"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,46,0,0,0,15,10,8,21,0,0,40,29,45,38,47,47,44,37,50,33,41,32,83,87,132,112,368,0,0,-58,-66,-279,-258,-1143,-1100]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd2 O-O 6. Nf3 b6 7. cxd5 exd5 8. Rc1 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} a6 9. Bd3 Bb7 10. O-O {The position is equal.} Nbd7 11. Ne5 Bd6 12. f4 b5 13. Be1 c5 14. Bh4 {[#] aiming for Nxd7.} Be7 $146 ({Predecessor:} 14... Qb6 15. Kh1 c4 16. Bf5 Qc7 17. Qf3 Rae8 18. Qh3 Bc8 19. Nxd7 Nxd7 20. Bd8 {1-0 (20) Sengupta,D (2527)-Vatsal,S (2371) Tornelo INT 2021}) 15. Qf3 (15. Bf5 $5 {[%cal Rf5d7]}) 15... c4 16. Bb1 Re8 {[%cal Of6e4]} 17. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Nf8 ({Black should play} 17... Ne4 $14 18. g5 (18. Bxe4 dxe4 19. Bxe7 exf3 $11) 18... Rc8) 18. g5 $16 N6d7 (18... Ne4 $142) 19. Rcd1 ({Don't do} 19. Qh5 g6 20. Qh6 f5 $16) 19... Nb6 $2 {[%mdl 8192] [#]} (19... Rb8 $16) 20. f5 $2 (20. Qh5 $18 g6 21. Qh6) 20... Bxg5 $11 21. f6 Qxf6 $1 $15 22. Qh3 (22. Qxf6 $15 gxf6 23. Bxg5 fxe5 24. Rf2) 22... Qh6 $19 ({Worse is} 22... Bxh4 23. Rxf6 Bxf6 24. Ng4 $15) 23. Bxg5 (23. Qf3 f6 24. Bxg5 Qxg5+ 25. Kh1) 23... Qxh3 {Weighted Error Value: White=0.83/Black=0.29 (precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.5"]
[White "Lima, Darcy"]
[Black "Carbone, Diego"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2507"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,67,25,12,37,47,56,49,49,48,56,54,107,95,105,96,159,152,175,176,177,179,229,193,318,243,216,211,229,223,221,206,262,249,236,200,672,658,1213,811,753,335,355,90,104,105,497,398,398,398,398,398,11960,29948,29969,29970,6190,5891,29984,2482]} 1. g3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Bg2 e6 6. O-O a6 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} (6... Qb6 $5 {[%cal Rb6d4]} 7. Nb3 d5 $11) 7. c4 Bc5 {was the old line (7...Be7).} 8. Nxc6 bxc6 {White is slightly better.} 9. Nc3 d5 10. e4 {[%cal Re4d5] [#]} Bb7 $146 ({Black should try} 10... dxc4 $14 11. Qxd8+ Kxd8) ({Predecessor:} 10... O-O 11. exd5 exd5 12. cxd5 Nxd5 13. Nxd5 cxd5 14. Qxd5 Qxd5 15. Bxd5 Rb8 16. Bb3 Rb7 {½-½ (46) Tukmakov,V (2595)-Dizdar,S (2400) Bled 1996}) 11. exd5 $16 cxd5 12. Qa4+ Kf8 ({Black should play} 12... Qd7) 13. Bg5 Qb6 14. Bxf6 gxf6 15. cxd5 {Qh4 is the strong threat.} Rd8 (15... h5 $142 16. dxe6 Bxg2 17. Kxg2 fxe6) 16. Qh4 Be7 (16... Kg7 {is a better defense.} 17. Qg4+ Kh6) 17. dxe6 fxe6 18. Na4 Qa7 19. Bxb7 Qxb7 {[#]} 20. Nc5 $1 {[%mdl 512]} Qb6 (20... Qc6 21. Qh6+) 21. b4 Kf7 22. Rad1 {Black must now prevent Rxd8.} a5 $2 (22... h5 23. Qe4 f5) 23. Rxd8 $18 Bxd8 24. Rd1 h5 25. a3 (25. Rd7+ $142 Be7 26. Ne4) 25... Be7 26. Qc4 (26. Qe4 $18) 26... axb4 $16 27. axb4 {Hoping for Rd7.} Rc8 $2 {[%mdl 8192] Loses the game.} (27... h4 $16) 28. Qe2 ({Not} 28. Rd7 Rd8 29. Rxd8 Bxd8 $18) 28... Rxc5 29. bxc5 Qxc5 $18 {KQR-KQB} 30. h4 ({Resist} 30. Rd7 h4 31. gxh4 Qc1+ 32. Qd1 Qxd1+ 33. Rxd1 Kg6 $18) 30... Bd6 $2 (30... Qe5 31. Qc2 Qf5) 31. Qd3 Be7 32. Qh7+ Kf8 33. Ra1 {Intending Ra8+ and mate.} Qd5 {[#] Prevents Ra8+.} 34. Ra8+ $3 {[%mdl 512] Weighted Error Value: White=0.45/Black=1.15} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.6"]
[White "Coppola, Claudio"]
[Black "Morovic Fernandez, Ivan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2285"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,6,20,20,17,17,14,0,0,0,19,8,23,25,29,19,51,36,46,50,62,38,32,31,37,20,91,89,129,124,125,100,215,223,238,85,126,68,133,14,14,20,23,15,9,8,16,9,15,11,4,0,69]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. g3 Bg4 5. Qb3 {[#]} Bxf3 $146 ({Predecessor:} 5... Qb6 6. Nc3 dxc4 7. Qxc4 e6 8. Bg2 Be7 9. O-O O-O 10. e4 Rd8 11. Rd1 Nbd7 12. h3 Bh5 {1-0 (34) Savchenko,B (2535)-Perera Alfonso,R (2354) Chess.com INT 2022}) 6. exf3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Qc8 7. Nc3 {[%cal Rc4d5,Bb1c3,Bc3e4,Be4c5,Bc5d3,Bd3e5][%mdl 32]} e6 8. Bf4 dxc4 9. Bxc4 Be7 10. O-O {White wants to play Rfe1.} O-O 11. Rfe1 {[%cal Rc4e6] Bxe6! is the strong threat.} Kh8 12. Ne4 Nd5 13. Bd6 {aiming for Bxd5.} Qd7 14. Bxe7 Qxe7 15. Nc5 b6 16. Nd3 Qd6 17. Rac1 Nc7 (17... Ne7 $11) 18. Ne5 $16 f6 19. Nd3 Nd7 20. Bxe6 {Strongly threatening Bf5.} Nb5 (20... Rae8 $16 21. Bxd7 Rxe1+ 22. Nxe1 Qxd7) 21. d5 $18 Nd4 {[#]} 22. Qd1 (22. Rxc6 $1 $18 {[%mdl 512] and the rest is easy.} Qe7 (22... Nxc6 23. dxc6) 23. Qd1) 22... c5 (22... Rfd8 $142) 23. f4 (23. b4 $16) 23... Rae8 {[#]} ({Black should try} 23... Rfe8 $1 $14) 24. Kg2 (24. f5 $1 $16) 24... Nxe6 $11 25. dxe6 Rxe6 26. Qf3 Rxe1 {The position is equal.} 27. Rxe1 c4 28. Nc1 Nc5 29. Rd1 Qe6 30. Rd4 f5 {[%mdl 32768] Weighted Error Value: White=0.20 (precise) /Black=0.20 (precise) . Loss on time!?} ({Better is} 30... h6 $11) 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.7"]
[White "Santiago, Yago De Moura"]
[Black "Michailov, Matias"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2494"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,-2,-8,-4,-15,-14,-8,0,-16,0,0,6,0,0,0,0,-17,-19,-19,-22,-41,-31,-23,-22,-100,-16,-22,-30,-31,-17,-14,-22,-19,-8,-64,-56,-56,-27,-35,-31,-45,-44,-25,-41,-47,0,-22,0,-45,0,-41,-40,-38,-35,-62,-52,-56,-49,-77]} 1. d4 {Hazai,L} Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. c3 d6 6. e4 c5 7. dxc5 dxc5 8. Qc2 Qc7 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} 9. Bc4 Nc6 10. O-O b6 {The position is equal.} 11. Rfe1 Na5 12. Bf1 Be6 {[#]} 13. Rac1 $146 ({Predecessor:} 13. h3 Rad8 14. Rad1 h6 15. Be3 Kh7 16. Ba6 Nd7 17. Bb5 Ne5 18. b3 Bc8 19. Be2 {½-½ (87) Dreev,A (2683)-Ye,J (2676) Dubai 2002 CBM 089 [Hazai,L]}) 13... h6 14. Bh4 Nh5 15. b4 Nc6 16. Bc4 Bxc4 17. Nxc4 cxb4 (17... b5 $5 {[%cal Rb5c4]} 18. Ne3 g5 $11) 18. cxb4 Rac8 19. e5 (19. Ne3 $11 {keeps the balance.} Qb7 20. Qb1) 19... Nd8 (19... Nxb4 $17 20. Qd2 Nf4 21. Qxb4 (21. Qxf4 $2 Nd3 $19) 21... Nd3) 20. Nd4 Qb7 {aiming for ...Nf4.} 21. Qd2 {To avoid Nf4} Ne6 22. Nxe6 fxe6 23. Bg3 {To avoid Rf4} Rfd8 24. Qe2 (24. Qe3 $11) 24... Rd4 $1 $15 {White must now prevent ...Qc7.} 25. Rc2 $1 Rcd8 {[%cal Od4e4]} 26. a3 {[#]} Qe4 $1 27. Qxe4 (27. Ne3 Nxg3) 27... Rxe4 {[%cal Re4e1]} 28. Kf1 Red4 29. Ke2 Re4+ 30. Kf1 Red4 31. Ke2 $1 Re4+ (31... g5 $15 {feels stronger.}) 32. Ne3 (32. Kf1 $11 Red4) 32... Nxg3+ {Black is slightly better.} ({Don't play} 32... Bxe5 33. Bxe5 Rxe5 34. Rc7 $11) 33. hxg3 Bxe5 34. Rec1 Kf7 35. Rc8 Rd7 36. R1c2 {Weighted Error Value: White=0.14 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.8"]
[White "Miranda, Rafael"]
[Black "Ricardi, Pablo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2264"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,83,5,17,0,8,18,46,47,41,37,28,31,37,0,47,54,45,58,54,16,25,20,21,26,49,51,127,111,138,152,500,539,559,559,552,557,550,551,533,542,680,653,706,712,685,669,1287,1263,1720,1553,1524,1516,1411,1162,993,980,6510,6270,29976,2060]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 10. Nd5 Be7 11. Bxf6 Bxf6 12. c4 b4 13. Nc2 a5 14. g3 {B33: Sicilian: Pelikan and Sveshnikov Variations.} O-O {14...g6 is the hot move.} 15. Bg2 Nb8 16. O-O {White is slightly better.} Nd7 {[#]} 17. Bh3 $146 ({Predecessor:} 17. Qe2 Bb7 18. Rad1 Nb6 19. Nxb6 Qxb6 20. b3 Qc5 21. Rd3 Bd8 22. Rfd1 Ra6 23. Ne3 g6 24. h4 {½-½ (46) Nataf,I (2603)-Lawson,E (2373) Edmonton 2005}) 17... Bg5 18. b3 Rb8 19. Qe2 g6 (19... Nb6 $11 {deserves consideration.} 20. Bxc8 Nxd5) 20. Rad1 $14 Kh8 21. f4 exf4 22. gxf4 (22. Nxf4 $5 {[%cal Rd1d6]} Nf6 23. Bxc8 Rxc8 24. Nd5 $14) 22... Bh6 $1 23. Nd4 $36 {[%cal Bc2d4,Bd4b5,Bb5d6][%mdl 2080] White is pushing.} Bb7 {To avoid Nc6} 24. Nb5 {Pair of Knights!} Nc5 25. Bg2 Bg7 {Inhibits Qb2.} (25... Bc6 $14) 26. Qf2 {[%cal Oe4e5] Strongly threatening e5! White is more active.} Bc6 {[#]} 27. Nxd6 Na4 {Loses the game.} (27... Qxd6 $16 28. e5 Qe6) 28. e5 $18 ({Less strong is} 28. bxa4 Qxd6 29. e5 Qe6 $16) 28... Bxd5 29. Rxd5 Nc3 {[#]} 30. Nxf7+ $1 {[%mdl 512]} Rxf7 31. Rxd8+ Rxd8 32. Qe3 Rfd7 33. Kh1 Rd2 34. e6 {Hoping for e7.} Re2 35. Qb6 {[%csl LRa5,LRd8]} Bf6 36. Bf3 Rxa2 37. e7 Bxe7 38. Qe6 Bh4 39. Qe5+ Kg8 40. f5 {[%cal Bf4f5,Bf5f6][%mdl 32]} ({Not} 40. Bg4 Rdd2 41. Be6+ Kf8 $18) 40... Rdd2 41. f6 {[%cal Re5e8]} Rxh2+ 42. Kg1 {Weighted Error Value: White=0.06 (flawless) /Black=0.70} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.9"]
[White "Perdomo, Leandro"]
[Black "Larrea, Manuel"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2447"]
[BlackElo "2226"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,63,35,47,29,46,33,29,34,54,31,101,98,97,105,135,110,167,120,120,122,113,95,130,113,150,118,160,144,166,182,199,201,222,231,380,362,440,431,554,573,580,541,579,582,589,575,508,430,476,428,573,460,629,433]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 Nbd7 7. g4 {E71: King's Indian: 4 e4 d6 5 h3.} e5 8. d5 Nc5 9. f3 {White has an edge.} a5 10. Qd2 Bd7 ({Black should try} 10... c6 $1 $14) 11. Nge2 $16 Qe7 12. Ng3 {[#]} Rfd8 $146 ({Predecessor:} 12... Ne8 13. O-O-O a4 14. h4 a3 15. b3 f5 16. gxf5 gxf5 17. exf5 Bxf5 18. Nce4 Bd7 {0-1 (30) Maj,P (2137)-Lapaj,M (2207) Jastrzebia Gora 2019}) 13. h4 c6 (13... h5 $16 {might work better.}) 14. h5 (14. g5 $18) 14... cxd5 15. cxd5 Rdc8 16. Qh2 Bh8 17. Nb5 a4 18. Qd2 b6 (18... Bg7 $142 19. Rc1 Ne8) 19. Be2 {White is more active.} Ra5 {[#]} 20. Na3 Ne8 21. Kf2 Qd8 22. Rh2 b5 (22... Rc7 {was necessary.} 23. Nc4 Raa7 24. Nxb6 Qb8) 23. Rah1 {Hoping for hxg6.} Bg7 24. hxg6 {White is clearly winning.} hxg6 25. Bh6 {Black must now prevent Bxg7.} Bf6 26. g5 Bh8 {[#]} 27. Bf8 $1 {[%mdl 512]} Kxf8 28. Rxh8+ Ke7 29. f4 Qb6 {( -> ...Nd3+)} 30. Kg2 Nc7 31. fxe5 {Threatens to win with Qf4.} dxe5 32. d6+ {Weighted Error Value: White=0.16 (very precise) /Black=0.45} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.10"]
[White "Sanhueza, Cristian"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2242"]
[BlackElo "2439"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,77,22,31,-13,-16,-6,-18,-10,-5,-18,-15,0,2,-15,-11,-17,0,0,0,-91,-23,-46,-26,-23,-23,-19,-23,-20,-14,-28,-18,-22,-8,-10,-27,-15,20,0,25,-566,-124,-133,-138,-120,-127,-112,0,0,0,0,597,171,674,672,633,0,0,0,0,0,0,0,0,0]} 1. e4 g6 2. d4 d6 3. Nc3 c6 4. Be3 Bg7 5. Qd2 Nf6 6. h3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 7. Bd3 Nbd7 8. Nf3 O-O 9. a4 {B08: Pirc Defence: Classical System.} (9. O-O $14) 9... b4 $11 10. Ne2 c5 {is the legacy move (10...a5).} 11. c3 Bb7 12. Ng3 {[#]} d5 $146 ({Predecessor:} 12... bxc3 13. bxc3 cxd4 14. cxd4 d5 15. e5 Ne4 16. Bxe4 dxe4 17. Ng5 Nb6 18. Qb4 a5 {1-0 (62) Hoang,T (2423)-Melia,S (2391) Batumi 2018}) 13. e5 Ne4 14. Bxe4 dxe4 15. Ng5 cxd4 16. cxd4 Nb6 17. N5xe4 (17. O-O $11) 17... f5 (17... Nc4 $17 18. Qe2 (18. Qxb4 Bxe4 19. Qxc4 Bxg2 $17) 18... Rc8) 18. exf6 exf6 {[%cal Be7f6,Bf6f5][%mdl 32] Hoping for ...f5.} 19. O-O $1 (19. Qxb4 $2 f5 20. Nc5 (20. a5 $2 Bxe4 21. axb6 Bxg2 $19) 20... Bxg2 $19) 19... Qd5 {[%mdl 1024] ...f5 is the strong threat. Black has compensation.} 20. Rfc1 (20. Qxb4 f5 21. Rfc1 (21. a5 Nc4 $17) 21... Rac8 22. Rxc8 Nxc8 $17) 20... f5 21. Rc5 Qd7 $36 {[%mdl 2048] Black has good play.} 22. Ng5 Nd5 {Threatens to win with ...f4.} 23. Ne2 {Inhibits f4.} Rae8 {[%cal Of5f4]} 24. Nf4 Nxe3 25. fxe3 {[#]} Rxe3 $1 26. Rd1 (26. Qxe3 $2 Bxd4 27. Re5 Be4 $19) 26... Rfe8 {And now ...h6 would win.} 27. Kh1 $2 {[%mdl 8192]} (27. Qxb4 $11 Ba6 28. Rc3 Re1+ 29. Kh2 (29. Rxe1 Bxd4+ 30. Rce3 Bxe3+ 31. Kh1 Bxf4 $11)) 27... Bh6 $2 {A strong pair of Bishops.} (27... h6 $19 {is more deadly.} 28. Nfe6 R8xe6 29. Nxe6 Qxe6) 28. h4 $17 Qd6 ({Worse is} 28... Qxa4 29. Rc7 R3e4 30. Kh2 $15 (30. Rxb7 Rxf4 31. Qxf4 Qxd1+ 32. Kh2 Bxg5 $15) (30. Nxe4 Rxe4 31. Rf1 Qb5 $15)) 29. Re5 R3xe5 ({Stronger than} 29... R8xe5 30. dxe5 Qxd2 31. Rxd2 Bxg5 32. hxg5 Rxe5 33. Rd7 $15) 30. dxe5 Qxe5 (30... Qxd2 $17 31. Rxd2 Bg7) 31. Qxb4 $11 Bxg5 32. hxg5 {Strongly threatening Qb3+.} Be4 $2 {[%mdl 8192] [#]} (32... Qe7 $11 33. Qb3+ Kh8) 33. Qc4+ $2 (33. Rd7 $1 {Threatening mate with Qc4+.} Qxf4 (33... Bxg2+ 34. Nxg2) 34. Qc4+ Kh8 35. Qc3+ Qe5 36. Rd8 $1 Qxc3 37. Rxe8+ Kg7 38. bxc3) 33... Kh8 $2 {[#]} (33... Kf8) 34. Rd7 $1 $18 {White wants to mate with Qf7.} Qxf4 {[#]} 35. Rxh7+ $3 {[%mdl 512]} Kxh7 $11 {The position is equal.} 36. Qf7+ Kh8 37. Qxe8+ Kg7 38. Qe7+ Kg8 {( -> ...Qf1+)} 39. Qe8+ {Weighted Error Value: White=0.73/Black=0.77} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.11"]
[White "Valerga, Diego"]
[Black "Fernandez, Maria Florencia"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2431"]
[BlackElo "2200"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,55,35,17,39,32,70,68,66,62,73,86,83,84,89,83,95,83,75,54,59,64,74,58,75,52,56,56,56,62,71,41,37,43,59,60,54,40,42,45]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 Na6 7. O-O e5 8. Re1 exd4 9. Nxd4 Nc5 10. Bf1 a5 {E95: King's Indian: Classical: 7...Nbd7 8 Re1.} 11. f3 Bd7 12. Be3 Re8 13. Qd2 Qe7 14. Ndb5 Bxb5 15. cxb5 {[#]} Qf8 $146 ({Predecessor:} 15... Qe5 16. Rad1 Rad8 17. Qf2 b6 18. Bc4 Ncd7 19. h3 h6 20. f4 Qe7 21. Bd4 Qf8 {1-0 (64) Sedlak,N (2592)-Lichtl,E (2136) Aschach 2011}) 16. Rad1 Red8 17. Qf2 {[%cal Oe4e5]} Nfd7 18. Nd5 c6 19. Nc3 a4 20. Qc2 Rdc8 21. bxc6 (21. Qd2 {keeps more tension.} Rd8 22. Rc1 Ne6 23. Red1 Ndc5 24. Bc4) 21... bxc6 22. Bd4 Bxd4+ 23. Rxd4 Nb6 24. Red1 {White is more active.} d5 $1 {White is slightly better.} 25. exd5 Nxd5 26. Nxd5 cxd5 27. Rxd5 a3 $1 {[#] White must now prevent ...Na4.} 28. b3 {To avoid Na4.  Weighted Error Value: White=0.08 (flawless) /Black=0.06 (flawless)} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "3.12"]
[White "Muniz, Rafael"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2194"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,82,7,27,40,41,41,68,31,76,62,65,52,58,56,55,38,38,31,31,28,29,0,13,7,52,45,51,46,135,120,154,112,127,53,54,-99,-79,-81,-11,-9,-20,-15,-18,-37,10,-72,-56,-56,-57,-70,-47,-52,-56,-146,-72,-154,-113,-300,-289,-424,-416,-29990,-29991]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Ne7 8. a4 b6 9. Bb5+ Bd7 10. Bd3 Nbc6 11. O-O c4 12. Be2 {C19: French: 3 Nc3 Bb4: Main line: 7 Nf3 and 7 a4.} f6 {[%cal Rf6e5]} 13. Re1 Ng6 {[%cal Rf6e5]} 14. Bf1 {White is slightly better.} O-O-O (14... O-O $14 {might be stronger.}) 15. g3 {[#]} Rde8 $146 ({Predecessor:} 15... Kb7 16. Bg2 f5 17. Ba3 Nce7 18. h4 Nc8 19. Ng5 Rde8 20. h5 Nf8 21. Nf7 Rg8 {0-1 (42) Cabezas Ayala,I (2316)-Pienski,O (2075) Ghent 2013}) 16. h4 h5 17. Bg2 Kb7 18. Rb1 Na5 19. Ba3 Bxa4 20. Bd6 Qd7 21. Rb4 {[%mdl 1024] White has compensation.} Ka8 22. Nd2 Bc6 (22... b5 $11 {should be considered.}) 23. Qa1 $14 Ne7 {...Nf5 is the strong threat.} 24. Reb1 {[%cal Ob4b6]} Qb7 (24... Nf5 $2 25. Rxb6 Nxd6 26. Qxa5 fxe5 27. dxe5 $18) (24... Qd8 $1 $14) 25. R1b2 $16 Nf5 {[#]} 26. Bc5 {[%mdl 512]} Rb8 {[#]} 27. Ra2 (27. Rxb6 $1 $16 {[%mdl 512]} axb6 28. Rxb6 Qxb6 29. Bxb6 Rxb6 30. Qxa5+ Kb7 31. exf6 gxf6 32. Qa1) 27... Qc7 $14 {[#]} 28. Bh3 $2 fxe5 $17 {White must now prevent ...e4. Black is more active.} ({But not} 28... bxc5 $6 29. Rxb8+ Rxb8 30. Rxa5 $11) 29. dxe5 bxc5 ({Black should play} 29... Bd7 $17 30. Bd4 Nc6 31. Bxf5 Nxb4 32. cxb4 exf5) 30. Rxb8+ $11 Rxb8 {[%cal Bh8b8,Bb8b5,Bb5b6][%mdl 32]} 31. Rxa5 Rb5 32. Ra6 {[%cal Od2c4]} g6 {[#]} (32... Kb8 $15) 33. Bg2 (33. Nxc4 $1 $11 {remains equal.} Kb8 34. Nd2) 33... Rb6 34. Ra5 Bb5 $36 {[%mdl 2048] Black fights for an advantage.} (34... Qxe5 $2 35. Rxa7+ Kb8 36. Nxc4 $1 {[%mdl 512]} dxc4 37. Bxc6 $18) 35. Qa3 Kb8 (35... Qxe5 $2 36. Rxa7+ Kb8 37. Ra8+ Kc7 38. Nxc4 $1 $18 {[%mdl 512]}) (35... Rb7 $5 {[%cal Rf5e7]} 36. Bh3 Kb8 $17) 36. Nf3 a6 37. Ng5 ({White should try} 37. Qc1 $15) 37... Nh6 (37... Qxe5 $142 {Hoping for ...Qe1+.} 38. Qxc5 Qd6 39. Qxd6+ Nxd6) 38. Bh3 {[#]} (38. Qc1 $142) 38... Ng4 $1 $17 39. f3 $2 (39. f4 $17) 39... Qxe5 $19 {( -> ...Qe1+)} ({Avoid the trap} 39... Nxe5 $2 40. Kh2) 40. fxg4 (40. Qxc5 {is the only way for White.} Qe1+ 41. Kg2 Qe2+ 42. Kg1 Qe1+ 43. Kg2 Qd2+ 44. Kg1 Qe1+) 40... Qxg3+ 41. Bg2 (41. Kf1 $19 Bd7 42. Qa1 hxg4 43. Bg2 Qxh4 44. Ne4 dxe4 45. Rxa6 Qf6+ 46. Ke2 Rxa6 47. Qxa6) 41... Bc6 {Weighted Error Value: White=0.55/Black=0.18 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.13"]
[White "Carvalho, Guillermo"]
[Black "Umetsubo, Cesar Hidemitsu"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2171"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,60,47,46,25,79,84,77,69,78,11,12,10,43,0,0,-56,-64,-393,-399,-378,-376,-389,-389,-396,-341,-518,-483,-756,-742,-1077,-1081,-1099,-1084,-1468,-1371,-958,-924]} 1. c4 c5 2. Nc3 Nf6 3. e4 d6 4. g3 b6 5. Bg2 Bb7 6. Nge2 e6 7. O-O a6 8. Re1 Qc7 9. b3 Nbd7 10. Bb2 Be7 11. d4 cxd4 12. Nxd4 O-O 13. Rc1 Rac8 {[#]} 14. h4 $146 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} ({Predecessor:} 14. g4 g6 15. h3 Rfe8 16. Kh1 Qb8 17. Qd2 Bf8 18. Rcd1 Qa8 19. g5 Nh5 20. Kg1 Nc5 21. f3 e5 {0-1 (31) Anton Guijarro,D (2642)-Perunovic,M (2597) Skopje 2018}) 14... Rfd8 (14... h6 $11) 15. g4 $16 {[%cal Bg3g4,Bg4g5][%mdl 32]} Ne5 16. g5 {White is better.} Nfd7 17. Qd2 (17. Rc2 $16) 17... Nc5 $11 18. Re3 {To avoid Ncd3} Qb8 {[%cal Ob6b5]} (18... Ng6 $5 {[%cal Rg6h4]}) 19. Rg3 (19. Qd1 $14) 19... b5 20. f4 (20. cxb5 $11 axb5 21. Ndxb5) 20... bxc4 $15 {White must now prevent ...Ned3.} 21. fxe5 {[%mdl 8192] This move loses the game for White.} (21. Rf1 $15) 21... dxe5 $19 22. Nd5 Bxd5 ({And not} 22... exd5 23. Nf5 Qc7 24. exd5 Bxd5 25. Qe1 $17 (25. Bxd5 $2 Ne4 $19) (25. Nxe7+ $2 Qxe7 26. Bxd5 Ne4 $19)) 23. exd5 {[%cal Oc1c4]} exd4 {[%mdl 64] [#] Discovered Attack} 24. Qxd4 {[%csl Gb2][%cal Rd4g7]} Bf8 25. Qg4 (25. Qe5 $142 Qxe5 26. Bxe5) 25... Nd3 {Black is clearly winning.} 26. Rxd3 (26. Rc2 $142 Bc5+ 27. Kh2) 26... cxd3 27. Rd1 Rc2 28. Bd4 Rxd5 29. Rxd3 {[#]} Rxd4 $1 30. Rxd4 Bc5 {Weighted Error Value: White=1.14/Black=0.09 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.14"]
[White "Salguero, Rafael"]
[Black "Vitoux, Colomban"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "1948"]
[BlackElo "2372"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,0,-11,0,0,-25,-22,-8,-6,-34,-38,-48,-64,-106,-96,-134,-124,-119,-108,-120,-118,-129,-95,-129,-60,-110,0,-181,-170,-175,-183,-160,-163,-152,-132,-320,-311,-29993,-29994,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. f3 e5 5. dxe5 dxe5 6. Qxd8+ {A53: Old Indian Defence without Nf3.} Kxd8 7. Bg5 Nbd7 8. e4 {The position is equal.} Be6 9. Nd5 {[#]} c6 $146 ({Predecessor:} 9... h6 10. Bh4 c6 11. O-O-O Be7 12. Nxe7 Kxe7 13. b3 a5 14. Ne2 a4 15. Kb2 axb3 16. axb3 {0-1 (54) Martin,S (2235)-Kuporosov,V (2510) Seefeld 1996}) 10. Nxf6 gxf6 11. Bh4 (11. Bd2 $15 {is superior.}) 11... Bb4+ $17 12. Kf2 Bc5+ 13. Ke1 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 14. Bd3 Ke7 15. Ne2 a4 16. Ng3 Bb4+ (16... Rhg8 $17 {White must now prevent ...Rg6.} 17. Bf1 Bd4) 17. Ke2 {[#]} (17. Kf2 $1 $15) 17... Nc5 (17... Rhg8 $1 $17 {[%cal Rg8g6] Hoping for ...Rg6.} 18. Kf1 Nb6 19. Nf5+ Bxf5 20. exf5 Rad8) 18. Nf5+ $2 (18. Nh5 $11 {and White has nothing to worry.}) 18... Bxf5 $19 19. exf5 Nxd3 20. Kxd3 Rhd8+ 21. Ke3 Rd4 $36 {[%mdl 2048] Black has strong initiative.} 22. g4 $2 {White does not recover from this.} (22. Be1 $17 Rxc4 23. Bxb4+ Rxb4 24. Rab1) 22... Rad8 {( -> ...Rd2)} ({Weaker is} 22... Rxc4 23. Rac1 Rd4 24. Rhd1 $17) 23. Rab1 $2 {[#]} (23. Be1 $19 Bc5 24. Ke2) 23... Rd2 {Black mates.} 24. f4 Bc5+ 25. Ke4 R8d4+ 26. Ke3 R4d3+ 27. Ke4 Re3# {[%mdl 32768] Weighted Error Value: White=0.69/Black=0.11 (very precise) . An unexpected result.} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "3.15"]
[White "Labollita, Martin"]
[Black "Manteiga, Franco"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2388"]
[BlackElo "1915"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,45,12,13,14,18,19,33,26,35,33,29,27,72,51,68,53,93,76,81,67,176,172,180,147,158,151,148,93,158,48,145,139,172,149,147,137,142,143]} 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. d4 Bb4+ 5. Nd2 O-O 6. a3 {E01: Catalan: Early deviations.} Bd6 7. Ngf3 Re8 8. O-O {White is slightly better.} Nbd7 9. Qc2 c6 {[#]} 10. Rd1 $146 ({Predecessor:} 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Nf6 13. Qc2 h6 14. Re1 Bd7 15. b4 a5 16. Bd2 axb4 17. axb4 {0-1 (34) Sanchez,D-McLaughlin,E (1681) ICCF email 2015}) 10... Qc7 (10... e5 $11 {feels stronger.}) 11. b4 (11. e4 $5 {[%cal Re4e5]}) 11... a6 12. Bb2 Nf8 13. Ne5 Ng6 {[%cal Rg6e5]} 14. f4 dxc4 (14... a5 $14) 15. Ndxc4 $18 Be7 16. Qb3 Nd5 17. Rac1 Nb6 18. Nd2 {White is much more active.} ({Better is} 18. Nxb6 Qxb6 19. Nc4) 18... Bd7 (18... Nxe5 $142 19. dxe5 Rd8) 19. h4 (19. Nec4 $16) 19... Rad8 (19... Nxe5 $14 20. fxe5 (20. dxe5 c5 $14) 20... a5) 20. Nd3 {White is clearly better.} Bc8 21. h5 Nf8 22. a4 Nd5 23. Nc4 {To avoid Ne3.  Weighted Error Value: White=0.19 (very precise) /Black=0.23 (precise)} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "3.16"]
[White "Palacio, Enzo"]
[Black "Menna Barreto, Felipe Kubiaki"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1896"]
[BlackElo "2351"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,27,34,1,13,0,-7,-7,-6,3,0,-5,0,0,0,0,0,0,0,0,14,-28,-14,-30,-35,-43,-29,-68,-67,-102,-95,-101,-95,-95,-92,-84,-87,-121,-100,-135,-122,-146,-152,-258,-252,-253,-251,-252,-244,-315,-306,-440,-432,-395,-406,-400,-393,-403,-387,-441,-446,-545,-545,-531,-498,-577,-566,-610,-596,-817,-814,-890,-872,-799,-774,-995,-971,-893,-618]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Nf3 {[%cal Bg1f3,Bf3e1,Be1d3][%mdl 32] B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} O-O 8. Be2 Re8 9. O-O {The position is equal.} Nd7 {[%cal Bb8d7,Bd7f8,Bf8g6][%mdl 32]} 10. Re1 Nf8 {[#]} 11. Bf1 $146 ({Predecessor:} 11. h3 Be6 12. Be3 Ng6 13. Qc2 Qd7 14. Bf1 Rad8 15. Rad1 Bb8 16. c4 Qc7 17. Bd3 {0-1 (23) Apicella,M (2506)-Bluebaum,M (2669) Chalons en Champagne 2021}) 11... Rxe1 12. Nxe1 Qc7 13. g3 Be6 14. Nd3 Ng6 15. Be3 f5 16. Qf3 {To avoid f4} (16. Qd2 {feels stronger.}) 16... Bd5 $11 17. Qh5 ({Much weaker is} 17. Qxf5 {[#]} Nh4 $1 18. Qh5 Nf3+ 19. Kh1 g6 $17) 17... f4 (17... Re8 {feels hotter.} 18. Re1 f4 19. Nxf4 Nxf4 20. gxf4 Bxa2 21. c4 Bb3) 18. Nxf4 Nxf4 19. Bxf4 Bxf4 20. gxf4 Qxf4 21. Re1 {Prevents Qe4.} g6 22. Qh3 Bxa2 23. Qe3 Qg4+ 24. Bg2 Bd5 $40 {[%csl Gd5][%cal Rg4g2][%mdl 128] [#] Black attacks with force.} 25. f3 Qe6 {Black is more active.} 26. Qc1 Qf6 27. Kh1 (27. f4 $17) 27... Bxf3 $19 28. Qe3 Bxg2+ 29. Kxg2 {[%mdl 4096] Endgame KQR-KQR} Rd8 30. Kh1 Kg7 31. b4 (31. Qe7 {keeps fighting.}) 31... Rd5 32. Rd1 Rf5 {Hoping for ...Rf1+.} 33. Qe2 Rf2 34. Qe5 Rc2 35. Rd3 b6 {[%cal Oa7a5] Black is clearly winning.} 36. h4 Qxe5 37. dxe5 {KR-KR} Re2 38. Rd6 Rxe5 39. Rxc6 Rh5 40. Rc7 a5 41. bxa5 Rxh4+ 42. Kg2 bxa5 {[%cal Bb6a5,Ba5a4][%mdl 32]} 43. c4 a4 44. c5 Rc4 {Weighted Error Value: White=0.38/Black=0.02 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.17"]
[White "Lujan, Carolina"]
[Black "Lavandeira, Juan Facundo"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2334"]
[BlackElo "1520"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,67,5,-15,29,37,29,24,36,28,38,22,27,33,52,40,34,56,132,96,85,78,116,113,103,98,102,113,95,99,336,343,397,393,387,387,468,461,584,569,647,643,625,615,1034,990,1071,985,941,773,923,906,844,832,999,900]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. O-O Bg7 6. Re1 O-O 7. Bf1 Nc6 8. h3 a6 {B50: Sicilian: 2...d6, Miscellaneous.} (8... e5 $142) 9. d4 $11 cxd4 10. cxd4 d5 {White has an edge.} 11. e5 Ne4 12. Nc3 Nxc3 (12... Bf5 {is interesting.} 13. Bf4 h6 14. g4 Be6 15. Bd3 Qd7) 13. bxc3 Qc7 {[#]} 14. Bf4 $146 ({Predecessor:} 14. c4 dxc4 15. Bxc4 Na5 16. Bf1 Be6 17. Ba3 Qd7 18. Bb4 {½-½ (40) Wolf,G-Leban,S Ebersberg 1974}) 14... Na5 15. Qc1 {[%cal Oe5e6]} e6 ({Better is} 15... Qc6 $14) 16. Bh6 Bd7 17. Nh2 {And now Ng4 would win.} Bxh6 18. Qxh6 {Strongly threatening Ng4.} f5 {[#] Inhibits Ng4.} (18... Qxc3 {leads to mate.} 19. Ng4 f5 20. Nf6+ Rxf6 21. exf6 Kf7 22. Qg7+ Ke8 23. Qg8#) 19. exf6 $1 Rxf6 20. Ng4 Rf7 21. Qg5 {Nh6+ is the strong threat.} Qf4 $2 {A mistake that costs the game.} (21... Kg7 $16) 22. Nh6+ $18 Kg7 23. Nxf7 {The board is on fire.} Qxf7 24. Qe5+ Kg8 25. Qc7 {White is clearly winning.} Nc4 26. Bxc4 Rc8 {[#]} 27. Qxb7 Rxc4 28. Qxa6 Rxc3 29. Rac1 Rxc1 30. Rxc1 Qf4 31. Rd1 Qc7 32. Qa8+ Kg7 33. Rb1 Qc2 34. Qb8 {Weighted Error Value: White=0.06 (flawless) /Black=0.56} ({Inferior is} 34. Rb7 Qc1+ 35. Kh2 Qf4+ 36. g3 Qxf2+ 37. Kh1 Qe1+ 38. Kh2 Qf2+ 39. Kh1 Qe1+ 40. Kh2 Qf2+ $11) 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "3.18"]
[White "Urrestarazu, Diego"]
[Black "Curi, Gabriel"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1833"]
[BlackElo "2205"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,58,14,18,8,7,5,21,10,14,-1,0,-6,0,0,0,0,0,0,0,-14,-11,-10,-11,-15,0,-1,0,0,0,0,0,0,0,-8,-4,-5,-5,-85,-76,-69,-69,-70,0,-29997,-201]} 1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 c5 5. Nf3 Nc6 6. Bf4 a6 7. e3 Nf6 8. dxc5 Bxc5 9. Bd3 {D32: Tarrasch Defence: Sidelines and lines without g3.} O-O 10. O-O Be6 {[#]} 11. a3 $146 {The position is equal.} ({Predecessor:} 11. Rc1 Bd6 12. Bxd6 Qxd6 13. h3 Rfd8 14. Ne2 Rac8 15. Ned4 h6 16. a3 Ne5 17. Nxe5 Qxe5 {1-0 (40) Nunez,J (2196)-Ortez,A (1969) Chess.com INT 2021}) 11... Ba7 12. Bg5 h6 13. Bh4 g5 14. Bg3 Nh5 15. Bc2 Nxg3 16. hxg3 d4 $1 ({Much less strong is} 16... f5 17. Bb3 $14) 17. exd4 Nxd4 18. Nxd4 Qxd4 19. Qh5 Qg7 20. Be4 Rad8 21. Rad1 {Prevents Rd2.} Bb3 {A strong pair of Bishops.} 22. Rxd8 Rxd8 23. Bxb7 Rd2 {Inhibits Qe2. Hoping for ...Bc4.} 24. Bxa6 Rxb2 25. Qf3 {Black must now prevent Qa8+.} Qe5 26. Qd3 {[#]} (26. Qa8+ $11 {keeps the balance.} Bb8 27. Qe4) 26... Rxf2 $1 $17 {[%mdl 64] Deflection, Decoy. Black is more active.} 27. Rxf2 {Threatens to win with Ne4.} Qe1+ {[%mdl 64] Pin, Double Attack} 28. Kh2 Bxf2 ({Black should try} 28... Qxf2 $15 29. Ne2 Qe3 30. Qxe3 Bxe3) 29. Ne4 $2 {[%mdl 8192]} (29. Ne2 $11 Qa5 30. Qxb3 Qxa6 31. Qb8+ Kg7 32. Qe5+ Qf6 33. Qe4) 29... Qg1+ {Weighted Error Value: White=0.47/Black=0.06 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "3.19"]
[White "Martinez Alvarez, Mateo"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1093"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,60,0,1,22,11,25,0,0,7,0,0,6,-16,-20,-13,0,0,0,0,0,-30,-36,-37,-33,-84,-81,-95,-92,-89,-89,-97,-94,-84,-87,-89,-89,-159,-145,-200,-207,-211,-190,-212,-187,-230,371]} 1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. Be2 Nc6 5. d3 d6 6. O-O Nf6 7. d4 cxd4 8. Nxd4 O-O 9. Be3 Bd7 {B72: Sicilian Dragon: 6 Be3, lines with h3+Bc4 and sidelines.} 10. Qd2 a6 11. f4 Rc8 {The position is equal.} 12. Rad1 b5 13. a3 Qc7 14. Nxc6 Bxc6 15. Bf3 {[#]} Nd7 $146 ({Predecessor:} 15... a5 16. Bd4 b4 17. axb4 axb4 18. Nd5 Bxd5 19. exd5 Qxc2 20. Qxb4 Qf5 21. Qd2 Rc4 {½-½ (40) Bittel,R-Migliorini,R Liape email 2003}) 16. e5 $1 {[%cal Re5d6]} Bxf3 17. Rxf3 Nb6 {[#] And now ...Nc4 would win.} 18. Qf2 Nc4 19. exd6 Nxd6 20. Nd5 {[#]} (20. Bd4 $15) 20... Qb7 $1 $17 {Hoping for ...Rfd8.} 21. c3 Rfd8 {...Ne4 is the strong threat.} 22. Nb4 Nc4 23. Bd4 a5 24. Nd3 Bxd4 25. cxd4 Qe4 $36 {[%mdl 2048] Black is on the roll.} 26. Nc1 ({Better is} 26. Ne1) 26... Qb1 {Black is more active. Black is clearly better.} 27. Re1 (27. Rb3 $17 {was called for.}) 27... Qxb2 $19 28. Qxb2 Nxb2 29. Rb3 Nc4 30. Ne2 (30. Rxb5 $142 Rxd4 31. Nb3 Rxf4 32. g3) 30... Ne5 $4 {[%mdl 40960] Weighted Error Value: White=0.17 (very precise) /Black=0.03 (flawless) . Loss on time!?} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "3.20"]
[White "Granara Barreto, Sebastian"]
[Black "Martinez Garay, Carlos"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2131"]
[BlackElo "1773"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,38,37,46,58,64,0,0,-4,89,77,87,47,87,60,80,35,21,0,-18,-25,-23,-47,12,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 7. Qg4 g6 8. Nf3 {C14: French: Classical System: 4 Bg5 Be7 main line.} h6 {[#]} 9. Bf4 $146 (9. Bxe7 $14 Qxe7 10. O-O-O) ({Predecessor:} 9. Bxe7 Qxe7 10. Qf4 c5 11. dxc5 Nxc5 12. O-O-O Nc6 13. Bd3 Bd7 14. g4 b5 15. Kb1 b4 {½-½ (23) Osorio Ortiz,M (2284)-Schild,C (2316) Baden 2013}) 9... c5 $1 $11 10. Bd3 {[%cal Od3g6] aiming for Bxg6!} Nf8 (10... Nc6 $11 {remains equal.}) 11. dxc5 $16 {White is much more active.} Bxc5 12. O-O-O Bd7 13. Nd2 Nc6 {[#]} 14. Nb3 (14. Qg3 $1 $16) 14... Bxf2 $14 15. Rdf1 Ba7 16. Qf3 {[%cal Of4g5] Threatens to win with Bg5!} Qe7 {Inhibits Bg5.} 17. Qe2 Nb4 (17... O-O-O $1 $15) 18. Rh3 Nxd3+ 19. Qxd3 O-O-O {[%mdl 32768] Weighted Error Value: White=0.24 (precise) /Black=0.24 (precise) . Sensor Board Error (Ke4/e5)?} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.21"]
[White "Masoller, Martin"]
[Black "Guerrero, Alvaro"]
[Result "0-1"]
[ECO "B19"]
[WhiteElo "1743"]
[BlackElo "2123"]
[Annotator "NA"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c6 {[%emt 0:00:34]} 2. d4 {[%emt 0:00:12]} d5 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:41]} dxe4 {[%emt 0:00:05]} 4. Nxe4 {[%emt 0:00:10]} Bf5 {[%emt 0:00:06]} 5. Ng3 {[%emt 0:00:12]} Bg6 {[%emt 0:00:04]} 6. h4 {[%emt 0:00:16]} h6 {[%emt 0:00:06]} 7. Nf3 {[%emt 0:00:17]} Nd7 {[%emt 0:00:40]} 8. h5 {[%emt 0:01:24]} Bh7 {[%emt 0:00:04]} 9. Bd3 {[%emt 0:00:23]} Bxd3 {[%emt 0:00:04]} 10. Qxd3 {[%emt 0:00:07]} Ngf6 {[%emt 0:00:55]} 11. Bd2 {[%emt 0:00:56]} e6 {[%emt 0:00:11]} 12. O-O-O {[%emt 0:01:11]} Qc7 {[%emt 0:00:32]} 13. Kb1 {[%emt 0:02:37]} Bd6 {[%emt 0:01:28]} 14. Ne2 {[%emt 0:01:55]} O-O-O {[%emt 0:01:28]} 15. g3 {[%emt 0:11:01]} Ng4 {[%emt 0:05:59]} 16. Rdf1 {[%emt 0:02:13]} Kb8 {[%emt 0:06:16]} 17. Bf4 {[%emt 0:07:44]} c5 $15 {[%emt 0:05:08]} 18. Bxd6 {[%emt 0:05:23]} Qxd6 {[%emt 0:00:04]} 19. Qa3 {[%emt 0:00:24]} Qc7 {[%emt 0:05:22]} 20. Rh4 {[%emt 0:03:39]} f5 {[%emt 0:03:48]} 21. Nd2 {[%emt 0:10:46]} cxd4 {[%emt 0:09:31]} 22. Nxd4 {[%emt 0:00:52]} Nc5 {[%emt 0:00:24]} 23. N2b3 {[%emt 0:02:19]} Nxb3 {[%emt 0:03:10]} 24. Nxb3 {[%emt 0:02:22]} Rd5 {[%emt 0:04:08]} 25. Rhh1 {[%emt 0:02:22]} Rhd8 {[%emt 0:01:42]} 26. f4 {[%emt 0:01:03]} a5 {[%emt 0:07:54]} 27. Qa4 {[%emt 0:01:31]} Ne3 {[%emt 0:00:54]} 28. Rc1 {[%emt 0:00:35]} Nc4 {[%emt 0:00:32]} 29. Rhe1 {[%emt 0:01:52]} Nb6 30. Qa3 a4 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.22"]
[White "Castro, Cesar"]
[Black "Zaruski, Julio"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2097"]
[BlackElo "1764"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. g3 e5 7. Nb3 Be7 8. Bg2 Be6 9. O-O O-O 10. h3 Qc7 11. Be3 Nbd7 12. a4 Bc4 13. Re1 b5 14. axb5 axb5 15. Nd2 b4 16. Nxc4 Qxc4 17. Nd5 Nxd5 18. exd5 f5 19. Bf1 Qc7 20. Qd2 Qb7 21. b3 Bf6 22. Bg5 g6 23. Ra4 Bxg5 24. Qxg5 Nc5 25. Rxa8 Qxa8 26. Qe7 Qd8 27. Rxe5 Ne4 28. Qxd8 Rxd8 29. Re7 Rc8 30. Bd3 Nc5 31. Bc4 Rb8 32. Kg2 Rb7 33. Rxb7 Nxb7 34. Kf3 Nc5 35. Ke3 Kf7 36. Bd3 Kf6 37. Kd4 Nd7 38. Kc4 Nb6+ 39. Kxb4 Nxd5+ 40. Kc4 Ke5 41. f4+ Ke6 42. b4 Nf6 43. Be2 h5 44. b5 Ne4 45. b6 Kd7 46. Kb5 Kc8 47. Kc6 d5 48. Ba6+ Kb8 49. Kxd5 Nxg3 50. c4 h4 51. c5 Nh5 52. Ke5 Ng7 53. c6 Ne8 54. Ke6 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.23"]
[White "Larrea, Daniela"]
[Black "Brizzi, Milagros Tatiana"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "1705"]
[BlackElo "2063"]
[Annotator "ChessBase"]
[PlyCount "52"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:06:56]} d5 {[%emt 0:00:21]} 2. c4 {[%emt 0:00:07]} c6 {[%emt 0:00:07]} 3. Nf3 {[%emt 0:00:12]} Nf6 {[%emt 0:00:13]} 4. e3 {[%emt 0:01:00]} Bf5 {[%emt 0:00:33]} 5. Nc3 {[%emt 0:00:30]} e6 {[%emt 0:00:33]} 6. Bd3 {[%emt 0:01:43]} Bxd3 {[%emt 0:01:39]} 7. Qxd3 {[%emt 0:00:10]} Nbd7 {[%emt 0:01:47]} 8. O-O {[%emt 0:00:58]} Bb4 {[%emt 0:03:55]} 9. Bd2 {[%emt 0:04:55]} a5 {[%emt 0:03:32]} 10. Rac1 {[%emt 0:05:15]} O-O {[%emt 0:02:05]} 11. Rfd1 {[%emt 0:03:32]} Re8 {[%emt 0:02:48]} 12. Ne2 {[%emt 0:10:44]} Bd6 {[%emt 0:09:02]} 13. Ng3 {[%emt 0:05:50]} Bxg3 {[%emt 0:04:19]} 14. hxg3 {[%emt 0:00:29]} Ne4 {[%emt 0:00:53]} 15. Be1 {[%emt 0:03:50]} f5 {[%emt 0:02:53]} 16. Nd2 {[%emt 0:14:57]} Qg5 {[%emt 0:04:26]} 17. Nf1 {[%emt 0:04:32]} Rf8 {[%emt 0:09:02]} 18. f3 {[%emt 0:03:34]} Nd6 {[%emt 0:02:44]} 19. c5 {[%emt 0:01:22]} Nf7 {[%emt 0:01:28]} 20. e4 {[%emt 0:07:41]} fxe4 {[%emt 0:02:00]} 21. fxe4 {[%emt 0:00:14]} Nf6 {[%emt 0:01:09]} 22. e5 {[%emt 0:03:11]} Ng4 {[%emt 0:01:20]} 23. Nh2 {[%emt 0:03:30]} Nxh2 {[%emt 0:02:41]} 24. Kxh2 {[%emt 0:00:07]} Nh6 {[%emt 0:00:12]} 25. g4 {[%emt 0:02:27]} Nxg4+ {[%emt 0:00:39]} 26. Kg1 {[%emt 0:00:04]} Ne3 {[%emt 0:01:26]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.24"]
[White "Pichuaga, Juan Pablo"]
[Black "Parma, Pamela"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "2030"]
[BlackElo "1761"]
[Annotator "NA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:39]} e5 {[%emt 0:14:23]} 2. Nf3 {[%emt 0:01:15]} d5 {[%emt 0:00:12]} 3. d3 {[%emt 0:05:59]} dxe4 {[%emt 0:00:57]} 4. dxe4 {[%emt 0:00:27]} Qxd1+ {[%emt 0:00:42]} 5. Kxd1 {[%emt 0:00:07]} Nc6 {[%emt 0:00:35]} 6. Bd3 {[%emt 0:08:03]} Bg4 {[%emt 0:05:25]} (6... Nf6 {is more appropriate.}) 7. c3 {[%emt 0:01:59]} O-O-O {[%emt 0:07:19]} 8. Kc2 {[%emt 0:00:58]} Bc5 {[%emt 0:00:24]} 9. Ng5 $11 {[%emt 0:05:31]} Bh5 {[%emt 0:08:11]} 10. f3 {[%emt 0:08:26]} h6 {[%emt 0:09:42]} 11. Nh3 {[%emt 0:01:08]} Nge7 {[%emt 0:01:00]} 12. Re1 {[%emt 0:04:56]} f5 {[%emt 0:12:48]} 13. Be3 {[%emt 0:12:55]} fxe4 {[%emt 0:03:55]} 14. Bxe4 {[%emt 0:02:56]} Bxe3 {[%emt 0:01:24]} 15. Rxe3 {[%emt 0:00:35]} Nd5 {[%emt 0:13:55]} 16. Re1 {[%emt 0:08:03]} Rhf8 {[%emt 0:09:12]} 17. Na3 {[%emt 0:08:31]} Nf4 {[%emt 0:04:35]} 18. Nxf4 {[%emt 0:01:01]} exf4 {[%emt 0:00:02]} 19. Bxc6 {[%emt 0:05:05]} bxc6 {[%emt 0:00:05]} 20. Rad1 {[%emt 0:00:16]} Rf6 {[%emt 0:02:16]} 21. Rxd8+ {[%emt 0:09:49]} Kxd8 {[%emt 0:00:02]} 22. Nc4 {[%emt 0:05:08]} Bf7 {[%emt 0:00:45]} 23. Ne5 {[%emt 0:01:28]} Bg8 {[%emt 0:01:48]} 24. c4 {[%emt 0:01:58]} Kc8 {[%emt 0:00:47]} 25. Kc3 {[%emt 0:00:16]} Kb7 {[%emt 0:00:16]} 26. b4 {[%emt 0:00:30]} g5 {[%emt 0:00:23]} 27. Nd7 {[%emt 0:00:57]} Rd6 {[%emt 0:00:36]} 28. Nc5+ {[%emt 0:01:04]} Kc8 {[%emt 0:00:57]} 29. Re8+ {[%emt 0:00:42]} Rd8 {[%emt 0:00:02]} 30. Re7 {[%emt 0:00:37]} Rd1 {[%emt 0:01:33]} 31. Rg7 {[%emt 0:00:56]} Rd8 {[%emt 0:00:56]} 32. Na6 {[%emt 0:00:38]} Re8 {[%emt 0:00:38]} 33. Rxc7+ {[%emt 0:00:59]} Kd8 {[%emt 0:00:01]} 34. Rxa7 {[%emt 0:00:44]} Re3+ {[%emt 0:00:29]} 35. Kd4 {[%emt 0:00:19]} Be6 {[%emt 0:00:21]} 36. Nc5 {[%emt 0:01:09]} Bf5 {[%emt 0:00:15]} 37. Rf7 {[%emt 0:00:48]} Bb1 {[%emt 0:00:47]} 38. a4 {[%emt 0:00:26]} Re2 {[%emt 0:00:23]} 39. Nb7+ {[%emt 0:00:27]} Ke8 {[%emt 0:00:52]} 40. Nd6+ {[%emt 0:00:08]} Kd8 {[%emt 0:00:09]} 41. Kc5 {[%emt 0:00:15]} Rxg2 {[%emt 0:01:06]} 42. Kxc6 {[%emt 0:00:21]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.25"]
[White "Torales, Agustin"]
[Black "Mateus, Martha"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1682"]
[BlackElo "2019"]
[Annotator "NA"]
[PlyCount "119"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:03:03]} 2. Nf3 {[%emt 0:00:11]} d6 {[%emt 0:00:10]} 3. d4 {[%emt 0:00:13]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:03]} 5. Nc3 {[%emt 0:00:09]} a6 {[%emt 0:00:02]} 6. Bc4 {[%emt 0:00:45]} e6 {[%emt 0:00:21]} 7. Bb3 {[%emt 0:00:06]} Nbd7 {[%emt 0:00:19]} 8. O-O {[%emt 0:01:25]} Nc5 {[%emt 0:00:07]} 9. Qe2 {[%emt 0:03:20]} Be7 {[%emt 0:02:05]} 10. f4 {[%emt 0:02:26]} O-O {[%emt 0:02:58]} 11. f5 {[%emt 0:02:28]} Nxb3 {[%emt 0:03:56]} 12. axb3 {[%emt 0:00:19]} e5 {[%emt 0:04:45]} 13. Nf3 {[%emt 0:00:13]} Bd7 {[%emt 0:03:15]} 14. Bg5 {[%emt 0:02:11]} Qb6+ {[%emt 0:14:53]} 15. Kh1 {[%emt 0:00:22]} Bb5 {[%emt 0:00:40]} 16. Nxb5 {[%emt 0:01:04]} Qxb5 {[%emt 0:04:23]} 17. Qxb5 {[%emt 0:00:07]} axb5 {[%emt 0:00:03]} 18. Bxf6 {[%emt 0:00:06]} gxf6 $16 {[%emt 0:00:47]} ({Black should play} 18... Bxf6 $14 19. c3 h5) 19. c4 {[%emt 0:09:24]} Rfc8 {[%emt 0:07:08]} 20. Rxa8 {[%emt 0:03:04]} Rxa8 {[%emt 0:00:02]} 21. g3 {[%emt 0:00:08]} Bf8 {[%emt 0:05:00]} 22. Kg2 {[%emt 0:03:44]} Bh6 {[%emt 0:03:21]} 23. Rf2 {[%emt 0:03:59]} Ra1 {[%emt 0:07:10]} 24. Rc2 {[%emt 0:09:57]} Be3 {[%emt 0:07:49]} 25. Re2 {[%emt 0:08:24]} Bc5 {[%emt 0:01:25]} 26. Re1 {[%emt 0:02:40]} Ra2 {[%emt 0:00:45]} 27. Re2 {[%emt 0:02:01]} bxc4 {[%emt 0:03:19]} 28. bxc4 {[%emt 0:00:08]} Ba3 {[%emt 0:01:05]} 29. Ne1 {[%emt 0:00:04]} Rxb2 {[%emt 0:00:36]} 30. Rxb2 {[%emt 0:00:05]} Bxb2 {[%emt 0:00:12]} 31. Nc2 {[%emt 0:00:29]} Bc3 {[%emt 0:15:04]} 32. Ne3 {[%emt 0:00:09]} Ba5 {[%emt 0:00:05]} 33. Nd5 {[%emt 0:00:36]} Bd8 {[%emt 0:00:06]} 34. g4 {[%emt 0:00:19]} Kf8 {[%emt 0:01:18]} 35. Kg3 {[%emt 0:04:29]} Ke8 {[%emt 0:02:07]} 36. Kh4 {[%emt 0:00:48]} Kd7 {[%emt 0:05:33]} 37. Kh5 {[%emt 0:00:09]} Kc6 {[%emt 0:00:03]} 38. Kh6 {[%emt 0:00:04]} Kc5 {[%emt 0:00:03]} 39. Kxh7 {[%emt 0:00:11]} Kxc4 {[%emt 0:00:34]} 40. h4 {[%emt 0:00:14]} b5 {[%emt 0:02:48]} 41. h5 {[%emt 0:00:06]} Ba5 {[%emt 0:00:28]} 42. Kg7 {[%emt 0:02:57]} Bd2 {[%emt 0:00:40]} 43. Kxf6 {[%emt 0:00:14]} Kd4 {[%emt 0:02:42]} 44. g5 {[%emt 0:00:21]} Kxe4 {[%emt 0:00:22]} 45. g6 {[%emt 0:00:12]} fxg6 {[%emt 0:00:14]} 46. fxg6 {[%emt 0:00:21]} Bh6 {[%emt 0:00:37]} 47. g7 {[%emt 0:00:39]} Bxg7+ {[%emt 0:00:40]} 48. Kxg7 {[%emt 0:00:04]} Kxd5 {[%emt 0:00:27]} 49. h6 {[%emt 0:00:06]} b4 {[%emt 0:00:39]} 50. h7 {[%emt 0:00:05]} Kd4 {[%emt 0:00:37]} 51. h8=Q {[%emt 0:00:10]} b3 {[%emt 0:00:11]} 52. Qh3 {[%emt 0:00:37]} Kc4 {[%emt 0:00:40]} 53. Kf6 {[%emt 0:00:16]} b2 {[%emt 0:00:13]} 54. Qf1+ {[%emt 0:00:17]} Kc3 {[%emt 0:00:48]} 55. Qb1 {[%emt 0:00:05]} e4 {[%emt 0:00:22]} 56. Qxe4 {[%emt 0:00:08]} d5 {[%emt 0:00:01]} 57. Qb1 {[%emt 0:00:08]} d4 {[%emt 0:00:09]} 58. Ke5 {[%emt 0:00:09]} d3 {[%emt 0:00:46]} 59. Ke4 {[%emt 0:00:05]} d2 {[%emt 0:00:34]} 60. Ke3 {[%emt 0:00:04]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.26"]
[White "Cordero, Daniela"]
[Black "Boabaid, Jorge Alberto Duarde"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2011"]
[BlackElo "1756"]
[Annotator "NA"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:01:11]} Nf6 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:10]} e6 {[%emt 0:00:17]} 3. e3 {[%emt 0:00:05]} d5 {[%emt 0:00:37]} 4. Bd3 {[%emt 0:00:10]} Bd6 {[%emt 0:00:47]} 5. O-O {[%emt 0:00:37]} b6 {[%emt 0:01:19]} 6. c4 {[%emt 0:00:34]} O-O {[%emt 0:01:15]} 7. cxd5 {[%emt 0:00:19]} exd5 {[%emt 0:00:33]} 8. Nc3 {[%emt 0:00:29]} c6 {[%emt 0:02:39]} 9. e4 {[%emt 0:02:22]} dxe4 {[%emt 0:02:12]} 10. Nxe4 {[%emt 0:00:16]} Be7 {[%emt 0:01:04]} 11. Qc2 {[%emt 0:11:30]} h6 {[%emt 0:02:07]} 12. Rd1 {[%emt 0:03:17]} Be6 {[%emt 0:08:58]} 13. a4 {[%emt 0:04:33]} (13. Ne5 $14) 13... Bd5 {[%emt 0:02:43]} 14. a5 {[%emt 0:01:30]} ({White should try} 14. Ne5 $14) 14... Nbd7 {[%emt 0:00:30]} 15. Bf4 {[%emt 0:02:28]} Nxe4 {[%emt 0:01:43]} 16. Bxe4 {[%emt 0:00:07]} Nf6 $11 {[%emt 0:00:29]} 17. Bxd5 {[%emt 0:01:40]} cxd5 {[%emt 0:02:49]} 18. Bc7 {[%emt 0:07:31]} Qd7 {[%emt 0:02:41]} 19. axb6 {[%emt 0:02:32]} axb6 {[%emt 0:00:12]} 20. Rxa8 {[%emt 0:00:46]} Rxa8 {[%emt 0:00:07]} 21. Bxb6 {[%emt 0:00:27]} Ne4 {[%emt 0:06:00]} 22. Bc5 {[%emt 0:04:57]} Bf6 {[%emt 0:03:09]} 23. Nd2 {[%emt 0:05:35]} Ng5 {[%emt 0:05:30]} 24. h3 {[%emt 0:02:08]} Rc8 {[%emt 0:03:38]} 25. Qd3 {[%emt 0:03:02]} Ne6 {[%emt 0:04:09]} 26. b4 {[%emt 0:01:37]} Nf4 {[%emt 0:00:51]} 27. Qa6 {[%emt 0:03:22]} Re8 {[%emt 0:06:31]} 28. Nf3 {[%emt 0:09:12]} Qf5 {[%emt 0:01:53]} 29. Qf1 {[%emt 0:15:36]} Nxh3+ {[%emt 0:07:29]} 30. gxh3 {[%emt 0:00:10]} Qxf3 {[%emt 0:00:08]} 31. Rd3 {[%emt 0:00:15]} Qf4 {[%emt 0:00:56]} 32. b5 {[%emt 0:02:38]} Re6 {[%emt 0:04:20]} 33. Qd1 {[%emt 0:03:57]} Bd8 {[%emt 0:01:09]} 34. Qd2 {[%emt 0:09:57]} Rg6+ {[%emt 0:02:24]} 35. Kf1 {[%emt 0:00:01]} Qh2 {[%emt 0:02:35]} 36. Re3 {[%emt 0:00:28]} Rg1+ {[%emt 0:02:24]} 37. Ke2 {[%emt 0:00:05]} Bh4 {[%emt 0:02:06]} 38. Rf3 {[%emt 0:02:29]} Qg2 {[%emt 0:01:33]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.30"]
[White "Gaye, Gustavo"]
[Black "Elena, Eduardo"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1990"]
[BlackElo "1712"]
[Annotator "ChessBase"]
[PlyCount "126"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:49]} c5 {[%emt 0:00:05]} 2. Nc3 {[%emt 0:00:23]} e6 {[%emt 0:00:10]} 3. g3 {[%emt 0:00:40]} a6 {[%emt 0:00:12]} 4. Bg2 {[%emt 0:00:29]} Nc6 {[%emt 0:00:19]} 5. Nge2 {[%emt 0:00:46]} Nf6 {[%emt 0:01:34]} 6. f4 {[%emt 0:01:03]} d6 {[%emt 0:00:42]} 7. O-O {[%emt 0:01:38]} Be7 {[%emt 0:01:32]} 8. h3 {[%emt 0:01:10]} Qc7 {[%emt 0:02:58]} 9. d3 {[%emt 0:00:52]} Bd7 {[%emt 0:03:39]} 10. Be3 {[%emt 0:00:41]} h5 {[%emt 0:03:45]} 11. d4 {[%emt 0:04:16]} cxd4 {[%emt 0:08:23]} 12. Nxd4 {[%emt 0:00:16]} Rc8 {[%emt 0:01:55]} 13. Nb3 {[%emt 0:06:39]} b5 {[%emt 0:03:01]} 14. Rc1 {[%emt 0:12:16]} O-O {[%emt 0:18:35]} 15. g4 {[%emt 0:01:23]} hxg4 {[%emt 0:00:45]} 16. hxg4 {[%emt 0:00:18]} d5 {[%emt 0:02:47]} 17. g5 {[%emt 0:04:40]} Nxe4 {[%emt 0:02:37]} 18. Nxe4 {[%emt 0:00:17]} dxe4 {[%emt 0:00:07]} 19. Bxe4 {[%emt 0:00:36]} Bxg5 {[%emt 0:05:01]} 20. Qh5 {[%emt 0:01:24]} Bh6 {[%emt 0:00:12]} 21. Rf2 {[%emt 0:12:14]} f5 {[%emt 0:03:12]} 22. Bd3 {[%emt 0:03:45]} Rf6 {[%emt 0:03:35]} 23. Rcf1 {[%emt 0:06:23]} Be8 {[%emt 0:02:12]} 24. Qh3 {[%emt 0:01:47]} Ne7 {[%emt 0:02:42]} 25. Nd4 {[%emt 0:10:53]} Nd5 {[%emt 0:03:17]} 26. Bd2 {[%emt 0:01:41]} Rg6+ {[%emt 0:05:07]} 27. Kh1 {[%emt 0:02:07]} Bf7 {[%emt 0:05:28]} 28. Nxf5 {[%emt 0:06:49]} exf5 {[%emt 0:00:55]} 29. Bxf5 {[%emt 0:00:08]} Ne7 {[%emt 0:06:16]} 30. Bxc8 {[%emt 0:01:57]} Bd5+ {[%emt 0:00:26]} 31. Kh2 {[%emt 0:00:37]} Nxc8 {[%emt 0:00:55]} 32. Qc3 {[%emt 0:05:41]} Rc6 {[%emt 0:03:42]} 33. Qd4 {[%emt 0:01:36]} Qf7 {[%emt 0:01:53]} 34. Qe5 {[%emt 0:01:33]} Ne7 {[%emt 0:00:48]} 35. Re1 {[%emt 0:05:21]} Kh7 {[%emt 0:01:59]} 36. Re3 {[%emt 0:02:56]} Ng6 {[%emt 0:02:54]} 37. Qh5 {[%emt 0:01:26]} Rxc2 {[%emt 0:01:30]} 38. Rg3 {[%emt 0:00:40]} Nh8 {[%emt 0:00:37]} 39. Qxf7 {[%emt 0:00:37]} Nxf7 {[%emt 0:00:15]} 40. Kg1 {[%emt 0:00:27]} Rxb2 {[%emt 0:00:25]} 41. Bc3 {[%emt 0:00:52]} Rb1+ {[%emt 0:01:08]} 42. Rf1 {[%emt 0:00:08]} Rxf1+ {[%emt 0:00:42]} 43. Kxf1 {[%emt 0:00:02]} Bxa2 {[%emt 0:00:11]} 44. Ke2 {[%emt 0:00:32]} Nd6 {[%emt 0:00:12]} 45. Be5 {[%emt 0:00:27]} Nc4 {[%emt 0:00:21]} 46. Bd4 {[%emt 0:01:16]} a5 {[%emt 0:00:54]} 47. Kd1 {[%emt 0:00:40]} Nd6 {[%emt 0:00:48]} 48. Rh3 {[%emt 0:00:16]} Nf5 {[%emt 0:00:23]} 49. Be5 {[%emt 0:00:13]} Bc4 {[%emt 0:00:50]} 50. Kc2 {[%emt 0:00:24]} Kg6 {[%emt 0:00:24]} 51. Kc3 {[%emt 0:00:21]} Be6 {[%emt 0:00:33]} 52. Rh1 {[%emt 0:00:54]} Ne3 {[%emt 0:00:47]} 53. Kd4 {[%emt 0:00:51]} Nc4 {[%emt 0:00:21]} 54. Rg1+ {[%emt 0:00:42]} Kf7 {[%emt 0:00:37]} 55. Bc7 {[%emt 0:00:20]} Kf6 {[%emt 0:00:24]} 56. Bd8+ {[%emt 0:00:44]} Kf5 {[%emt 0:00:28]} 57. Bg5 {[%emt 0:00:12]} Nd2 {[%emt 0:00:17]} 58. Kc5 {[%emt 0:00:31]} Bc4 {[%emt 0:00:13]} 59. Bxh6 {[%emt 0:00:41]} gxh6 {[%emt 0:00:20]} 60. Rh1 {[%emt 0:00:02]} Kxf4 {[%emt 0:00:24]} 61. Rxh6 {[%emt 0:00:02]} Ke4 {[%emt 0:00:33]} 62. Rh3 {[%emt 0:00:32]} Nb3+ {[%emt 0:01:57]} 63. Kb6 {[%emt 0:01:28]} a4 {[%emt 0:00:07]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.31"]
[White "Montiel Caceres, Helen"]
[Black "Escofet, Jaime"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1625"]
[BlackElo "1981"]
[Annotator "NA"]
[PlyCount "78"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:12:13]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:03]} c5 {[%emt 0:00:06]} 3. d5 {[%emt 0:00:02]} b5 {[%emt 0:00:05]} 4. Qc2 {[%emt 0:00:03]} d6 {[%emt 0:00:58]} 5. e4 {[%emt 0:00:10]} b4 {[%emt 0:00:51]} 6. f4 {[%emt 0:01:18]} Nbd7 {[%emt 0:00:55]} 7. Nf3 {[%emt 0:00:06]} g6 {[%emt 0:00:04]} 8. e5 {[%emt 0:02:42]} dxe5 {[%emt 0:00:07]} 9. fxe5 {[%emt 0:00:04]} Nh5 {[%emt 0:02:40]} 10. g4 {[%emt 0:00:31]} Ng7 {[%emt 0:00:06]} 11. Qe4 {[%emt 0:00:02]} Bb7 {[%emt 0:00:30]} 12. Ng5 {[%emt 0:20:12]} f6 {[%emt 0:00:30]} 13. Nxh7 {[%emt 0:00:30]} Nxe5 {[%emt 0:04:10]} 14. Bf4 {[%emt 0:00:54]} Rxh7 {[%emt 0:08:12]} 15. Bxe5 {[%emt 0:00:06]} Kf7 {[%emt 0:00:39]} 16. Bd3 {[%emt 0:00:42]} Rh6 {[%emt 0:02:55]} 17. g5 {[%emt 0:03:32]} fxg5 {[%emt 0:01:00]} 18. Bf4 {[%emt 0:07:05]} gxf4 {[%emt 0:00:51]} 19. Qxf4+ {[%emt 0:00:05]} Nf5 {[%emt 0:00:16]} 20. Bxf5 {[%emt 0:00:04]} gxf5 {[%emt 0:00:15]} 21. Qxf5+ {[%emt 0:00:09]} Rf6 {[%emt 0:03:28]} 22. Qh5+ {[%emt 0:00:06]} Kg8 {[%emt 0:00:06]} 23. Rg1+ {[%emt 0:00:09]} Bg7 {[%emt 0:00:04]} 24. Nd2 {[%emt 0:00:06]} Qd6 {[%emt 0:11:30]} 25. Ne4 {[%emt 0:01:20]} Qf4 {[%emt 0:00:10]} 26. Nxf6+ {[%emt 0:01:11]} Qxf6 {[%emt 0:00:05]} 27. Qe2 {[%emt 0:00:35]} Ba6 {[%emt 0:08:34]} 28. O-O-O {[%emt 0:15:45]} Rf8 {[%emt 0:08:12]} 29. Rdf1 {[%emt 0:04:01]} Qh6+ {[%emt 0:00:19]} 30. Kb1 {[%emt 0:00:17]} Rxf1+ {[%emt 0:00:11]} 31. Rxf1 {[%emt 0:00:36]} Qd6 {[%emt 0:04:24]} 32. Re1 {[%emt 0:01:52]} Qf6 {[%emt 0:00:27]} 33. Rc1 {[%emt 0:05:11]} Bc8 {[%emt 0:01:35]} 34. Rg1 {[%emt 0:06:21]} a5 {[%emt 0:00:24]} 35. Kc1 {[%emt 0:01:58]} a4 {[%emt 0:00:36]} 36. Rf1 {[%emt 0:03:50]} Qg5+ {[%emt 0:00:53]} 37. Kb1 {[%emt 0:00:10]} Bf5+ {[%emt 0:01:26]} 38. Rxf5 {[%emt 0:00:49]} Qxf5+ {[%emt 0:00:08]} 39. Qc2 {[%emt 0:00:08]} Qe5 {[%emt 0:02:25]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.32"]
[White "Benitez, Andres"]
[Black "Griselka, Diego"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1978"]
[BlackElo "1685"]
[Annotator "NA"]
[PlyCount "81"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c6 2. d4 {[%emt 0:00:33]} d5 {[%emt 0:04:21]} 3. e5 {[%emt 0:00:05]} Bf5 {[%emt 0:00:07]} 4. h4 {[%emt 0:00:10]} h5 {[%emt 0:00:08]} 5. Bd3 Bxd3 {[%emt 0:02:08]} 6. Qxd3 {[%emt 0:00:57]} e6 {[%emt 0:00:09]} 7. Bg5 {[%emt 0:00:07]} Be7 {[%emt 0:01:14]} 8. Nf3 {[%emt 0:00:28]} Nd7 {[%emt 0:00:31]} 9. Nbd2 {[%emt 0:02:53]} Bxg5 {[%emt 0:10:28]} 10. hxg5 {[%emt 0:02:36]} Ne7 {[%emt 0:00:23]} 11. Nf1 {[%emt 0:03:54]} Qb6 {[%emt 0:00:31]} 12. b3 {[%emt 0:01:18]} c5 {[%emt 0:00:54]} 13. c3 {[%emt 0:11:41]} cxd4 {[%emt 0:02:58]} 14. cxd4 {[%emt 0:00:17]} Qb4+ {[%emt 0:00:10]} 15. N1d2 {[%emt 0:00:33]} Rc8 {[%emt 0:00:11]} 16. O-O {[%emt 0:04:16]} Rc3 {[%emt 0:02:45]} 17. Qe2 {[%emt 0:12:29]} Nf5 {[%emt 0:03:21]} 18. Nb1 {[%emt 0:04:03]} Rc6 {[%emt 0:03:02]} 19. Qd3 {[%emt 0:06:19]} O-O {[%emt 0:01:15]} 20. g6 {[%emt 0:05:40]} fxg6 {[%emt 0:02:19]} 21. a3 {[%emt 0:06:54]} Qb6 {[%emt 0:00:32]} 22. Ra2 {[%emt 0:03:15]} Rfc8 {[%emt 0:00:31]} 23. Rd2 {[%emt 0:01:10]} Qc7 {[%emt 0:01:46]} 24. Ng5 {[%emt 0:00:51]} Nf8 {[%emt 0:02:03]} 25. Rdd1 {[%emt 0:04:24]} Nh7 {[%emt 0:01:58]} 26. Nh3 {[%emt 0:01:28]} Qe7 {[%emt 0:04:26]} 27. Nf4 {[%emt 0:13:28]} Kf7 {[%emt 0:04:44]} 28. Ne2 {[%emt 0:01:23]} Ng5 {[%emt 0:02:06]} 29. f3 {[%emt 0:00:35]} h4 {[%emt 0:00:51]} 30. b4 {[%emt 0:02:30]} Nh7 {[%emt 0:03:21]} 31. f4 {[%emt 0:01:00]} g5 {[%emt 0:00:53]} 32. Qf3 {[%emt 0:01:29]} Kg6 {[%emt 0:03:25]} 33. Nd2 {[%emt 0:07:16]} Nh6 {[%emt 0:02:15]} 34. g4 {[%emt 0:01:50]} hxg3 {[%emt 0:01:25]} 35. Nxg3 {[%emt 0:00:20]} g4 {[%emt 0:00:36]} 36. Qh1 {[%emt 0:00:42]} Kf7 {[%emt 0:02:42]} 37. f5 {[%emt 0:00:15]} exf5 {[%emt 0:05:10]} 38. Nxf5 {[%emt 0:00:53]} Nxf5 {[%emt 0:11:28]} 39. Qxh7 {[%emt 0:00:28]} Rh6 {[%emt 0:00:34]} 40. Qxf5+ {[%emt 0:00:28]} Kg8 {[%emt 0:00:10]} 41. Qxc8+ {[%emt 0:00:10]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.33"]
[White "Dabraccio, Guillermo"]
[Black "Araque, Jairo"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1591"]
[BlackElo "1970"]
[Annotator "NA"]
[PlyCount "49"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 a6 6. e3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. O-O O-O 10. a3 Nbd7 11. Rc1 c5 12. Ne5 Rc8 13. Nxd7 Nxd7 14. dxc5 Nxc5 15. Bb1 Qxd1 16. Rfxd1 Nb3 17. Rc2 Rfd8 18. f3 g5 19. Be5 f6 20. Ba2 fxe5 21. Bxb3 Kf7 22. Rcd2 Bc5 23. Bc2 h6 24. Ne4 Bb6 25. Kf2 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.34"]
[White "Nejanky, Maisa"]
[Black "Areeb, Jazy"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1948"]
[BlackElo "1665"]
[Annotator "NA"]
[PlyCount "139"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:15]} 2. Nf3 {[%emt 0:00:07]} d6 {[%emt 0:00:10]} 3. d4 {[%emt 0:00:17]} cxd4 {[%emt 0:00:13]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:10]} 5. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:17]} 6. h3 {[%emt 0:00:13]} e5 {[%emt 0:01:54]} 7. Nde2 {[%emt 0:00:06]} Be7 {[%emt 0:00:44]} 8. g4 {[%emt 0:00:32]} h6 {[%emt 0:02:15]} 9. Be3 {[%emt 0:02:54]} Be6 {[%emt 0:05:05]} 10. Bg2 {[%emt 0:00:18]} Nbd7 {[%emt 0:01:59]} 11. O-O {[%emt 0:13:29]} O-O {[%emt 0:02:55]} 12. Nd5 {[%emt 0:01:19]} Nc5 {[%emt 0:06:46]} 13. Ng3 {[%emt 0:02:34]} Nxd5 {[%emt 0:04:35]} 14. exd5 $14 {[%emt 0:00:08]} Bd7 {[%emt 0:00:16]} 15. Bxc5 {[%emt 0:47:07]} dxc5 {[%emt 0:00:51]} 16. d6 {[%emt 0:04:40]} Bh4 {[%emt 0:05:02]} 17. Bxb7 {[%emt 0:08:28]} Bb5 {[%emt 0:07:48]} 18. Re1 {[%emt 0:03:57]} Rb8 {[%emt 0:00:25]} 19. Bg2 {[%emt 0:00:54]} Bxg3 {[%emt 0:00:21]} 20. fxg3 {[%emt 0:00:07]} Qf6 {[%emt 0:01:23]} 21. Qd5 {[%emt 0:06:25]} Rfd8 {[%emt 0:03:18]} 22. Rad1 {[%emt 0:02:38]} Rb6 {[%emt 0:02:24]} 23. Qxe5 {[%emt 0:04:33]} Qxe5 {[%emt 0:00:07]} 24. Rxe5 {[%emt 0:00:06]} Rbxd6 {[%emt 0:00:16]} 25. Rxd6 {[%emt 0:00:42]} Rxd6 {[%emt 0:00:08]} 26. Bd5 {[%emt 0:00:47]} Kf8 {[%emt 0:01:34]} 27. c4 {[%emt 0:00:35]} Bc6 {[%emt 0:00:52]} 28. Bxc6 {[%emt 0:00:23]} Rxc6 {[%emt 0:00:02]} 29. Kf2 {[%emt 0:00:18]} f6 {[%emt 0:00:02]} 30. Rd5 {[%emt 0:00:16]} Ke7 {[%emt 0:00:09]} 31. Kf3 {[%emt 0:00:35]} Rc8 {[%emt 0:01:50]} 32. h4 {[%emt 0:00:50]} g6 {[%emt 0:00:08]} 33. Kf4 {[%emt 0:00:48]} Ke6 {[%emt 0:00:33]} 34. Ke4 {[%emt 0:00:34]} a5 {[%emt 0:00:28]} 35. h5 {[%emt 0:00:20]} g5 {[%emt 0:01:53]} 36. Rd3 {[%emt 0:00:21]} a4 {[%emt 0:00:50]} 37. Ra3 {[%emt 0:00:30]} Rb8 {[%emt 0:00:30]} 38. Rxa4 Rxb2 {[%emt 0:00:04]} 39. Ra6+ {[%emt 0:00:34]} Ke7 {[%emt 0:00:20]} 40. Kd5 {[%emt 0:00:17]} Rg2 {[%emt 0:00:49]} 41. Ra7+ {[%emt 0:00:15]} Kd8 {[%emt 0:00:55]} 42. Ra3 {[%emt 0:01:24]} Rf2 {[%emt 0:01:09]} 43. Kxc5 {[%emt 0:00:34]} f5 {[%emt 0:00:11]} 44. gxf5 {[%emt 0:00:15]} Rxf5+ {[%emt 0:00:11]} 45. Kd6 {[%emt 0:00:11]} Rf6+ {[%emt 0:00:39]} 46. Ke5 {[%emt 0:00:11]} Rc6 {[%emt 0:00:11]} 47. Kd5 {[%emt 0:00:11]} Rf6 {[%emt 0:00:18]} 48. c5 {[%emt 0:00:13]} Rf5+ {[%emt 0:00:24]} 49. Kd6 {[%emt 0:00:09]} Rf6+ {[%emt 0:00:25]} 50. Ke5 {[%emt 0:00:08]} Rc6 {[%emt 0:00:13]} 51. Kd5 {[%emt 0:00:16]} Rf6 {[%emt 0:00:42]} 52. c6 {[%emt 0:00:43]} Kc7 {[%emt 0:00:47]} 53. Ra7+ {[%emt 0:00:18]} Kb8 {[%emt 0:00:05]} 54. Rb7+ {[%emt 0:00:40]} Kc8 {[%emt 0:00:07]} 55. Rh7 {[%emt 0:01:43]} g4 {[%emt 0:02:03]} 56. Rg7 {[%emt 0:00:58]} Rf5+ {[%emt 0:00:57]} 57. Kd6 {[%emt 0:00:08]} Rf6+ {[%emt 0:00:02]} 58. Kc5 {[%emt 0:00:10]} Rf2 {[%emt 0:01:02]} 59. Rxg4 {[%emt 0:00:59]} Rxa2 {[%emt 0:00:13]} 60. Rg6 {[%emt 0:00:08]} Rg2 {[%emt 0:00:32]} 61. Kd5 {[%emt 0:01:26]} Rd2+ {[%emt 0:00:22]} 62. Ke4 {[%emt 0:00:19]} Kc7 {[%emt 0:01:01]} 63. Rxh6 {[%emt 0:00:10]} Re2+ {[%emt 0:00:08]} 64. Kf3 {[%emt 0:00:15]} Re5 {[%emt 0:00:03]} 65. g4 {[%emt 0:00:09]} Re1 {[%emt 0:00:23]} 66. g5 {[%emt 0:00:23]} Rg1 {[%emt 0:00:05]} 67. g6 {[%emt 0:00:30]} Kxc6 {[%emt 0:00:50]} 68. g7+ {[%emt 0:00:10]} Kd7 {[%emt 0:00:05]} 69. Rg6 {[%emt 0:00:05]} Rxg6 {[%emt 0:01:44]} 70. hxg6 {[%emt 0:00:06]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.35"]
[White "Muzzi, Eduardo"]
[Black "Migens Romero, Juan"]
[Result "*"]
[ECO "B00"]
[WhiteElo "1946"]
[BlackElo "2097"]
[Annotator "ChessBase"]
[PlyCount "1"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} *

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.13"]
[Round "3.36"]
[White "Rodriguez Farias, Eduardo"]
[Black "Reolon, Victor"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1931"]
[BlackElo "1630"]
[Annotator "NA"]
[PlyCount "42"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. c3 {[%emt 0:00:00]} Nc6 {[%emt 0:03:07]} 3. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:00:05]} 4. cxd4 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 5. h3 {[%emt 0:00:30]} Nf6 {[%emt 0:01:13]} 6. Nc3 {[%emt 0:03:16]} g6 {[%emt 0:01:39]} 7. Nf3 {[%emt 0:03:08]} Bg7 {[%emt 0:00:22]} 8. Bc4 {[%emt 0:00:14]} O-O {[%emt 0:01:33]} 9. O-O {[%emt 0:00:19]} a6 {[%emt 0:06:52]} 10. a4 {[%emt 0:01:07]} Qc7 {[%emt 0:01:50]} 11. Qe2 {[%emt 0:00:59]} b6 {[%emt 0:03:58]} 12. e5 {[%emt 0:03:39]} dxe5 {[%emt 0:03:37]} 13. dxe5 {[%emt 0:01:17]} Ne8 {[%emt 0:05:54]} 14. Nd5 {[%emt 0:01:20]} Qb7 {[%emt 0:03:06]} 15. Bf4 {[%emt 0:02:30]} e6 {[%emt 0:00:37]} 16. Nc3 {[%emt 0:00:23]} Nb4 {[%emt 0:05:36]} 17. Rfd1 {[%emt 0:03:36]} Nc7 {[%emt 0:00:30]} 18. Bg3 {[%emt 0:00:30]} Ra7 {[%emt 0:00:30]} 19. Ne4 {[%emt 0:00:30]} Ncd5 {[%emt 0:00:30]} 20. Nd6 {[%emt 0:00:30]} Qa8 {[%emt 0:00:30]} 21. Rac1 {[%emt 0:00:30]} Bh6 {[%emt 0:00:30]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.1"]
[White "Roselli Mailhe, Bernardo"]
[Black "Delgado Ramirez, Neuris"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2426"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,60,35,38,8,8,6,0,6,37,8,9,9,8,24,25,19,44,39,42,39,36,41,40,36,45,44,63,31,59,54,56,49,45,50,72,54,68,56,64,69,94,94,76,0,86,0,69]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 6. Bg2 Bb4+ 7. Bd2 c5 $1 {[%mdl 4] is more profitable than 7...a5 at the moment.} 8. O-O O-O 9. Nc3 {[%cal Od4d5] E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} cxd4 10. Nxd4 Bxg2 11. Kxg2 a6 {[#]} 12. Ne4 $146 ({Predecessor:} 12. Qc2 Be7 13. Rad1 Qc8 14. e4 Qb7 15. f3 d6 16. Be3 Nbd7 17. Rc1 Rfe8 18. Rfd1 {½-½ (55) Desforges,J (2235)-Li,W (2096) Kingston 2019}) 12... Be7 13. Nxf6+ Bxf6 14. Bb4 Re8 15. Rc1 Qc7 16. Nf3 Nc6 17. Bd6 Qb7 18. e4 Be7 19. Re1 Bxd6 20. Qxd6 Rad8 21. Rcd1 Ne7 22. Rd3 Nc8 23. Qf4 d6 24. Red1 Qc6 25. Kg1 {White is much more active.} e5 26. Qe3 Rd7 27. h4 Qc5 28. Qd2 Qc6 29. Qe3 Qc5 $1 30. Qd2 Qc6 $1 {Weighted Error Value: White=0.15 (very precise) /Black=0.08 (flawless)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.2"]
[White "Hungaski, Robert"]
[Black "Valerga, Diego"]
[Result "1-0"]
[ECO "E25"]
[WhiteElo "2537"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,52,26,0,0,0,0,-18,4,0,37,24,19,37,72,70,61,45,51,32,71,73,70,31,24,20,66,0,13,14,7,8,10,11,897,893,29998,29999,29999]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. f3 d5 7. cxd5 Nxd5 8. dxc5 f5 9. Nh3 (9. c4 $5 {[%cal Rc4d5]} Qf6 10. Bg5 (10. cxd5 Qxa1 11. Qd2 O-O $17) 10... Qxg5 11. cxd5 $11) 9... Qa5 {E25: Nimzo-Indian: Sämisch: 5...c5 6 f3 d5 7 cxd5.} 10. e4 fxe4 11. fxe4 {And now Qh5+ would win.} Nf6 {To avoid Qh5+. The position is equal.} 12. Be2 {[#]} Qxc5 $146 ({Predecessor:} 12... O-O 13. O-O Nc6 14. Qd3 Qxc5+ 15. Be3 Qe7 16. Qc4 Ne5 17. Qc5 Qxc5 18. Bxc5 Re8 {½-½ (48) Flom,G (2494)-Levin,E (2504) Chefchaouen 2019}) 13. Qd4 Qxd4 14. cxd4 Nxe4 15. O-O Nf6 16. Nf4 {White is more active.} Nc6 {[%cal Bb8c6,Bc6d4,Bd4c2,Bc2e3][%mdl 32]} 17. Bc4 Nxd4 18. Bb2 {A strong pair of Bishops.} Nc2 19. Rac1 Ne3 20. Bxe6 {Black must now prevent Rf3.} Bxe6 (20... Nxf1 $11 21. Bxc8 Nd2) 21. Rfe1 ({Better is} 21. Rf3 $1 $14 Nfd5 22. Nxe6) 21... Ned5 22. Rxe6+ Kf7 {[#]} 23. Rxf6+ Nxf6 24. Rc7+ Kg8 $2 {[%mdl 8192]} (24... Ke8 $11) 25. Bxf6 $18 {White threatens Ne6 and mate.} gxf6 {[#]} 26. Ne6 $1 {[%csl Ge6][%cal Rc7g7]} Re8 27. Rg7# {Weighted Error Value: White=0.13 (very precise) /Black=0.43} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.4"]
[White "Morovic Fernandez, Ivan"]
[Black "Miranda, Rafael"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2498"]
[BlackElo "2264"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,61,25,16,36,45,43,35,67,38,52,43,64,35,74,42,61,0,58,28,20,28,22,11,0,0,47,46,47,48,157,161,158,154,160,157,281,288,285,279,283,291,277,268,659,650,752,698]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4e2,Be2c3][%mdl 32]} d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 Nbd7 9. a4 $1 {9.a4 is better than 9.0-0.} b6 {B91: Sicilian Najdorf: 6 g3.} 10. Nd5 Nxd5 11. Qxd5 Ra7 {White is slightly better.} 12. Nc3 {White is more active.} Bb7 {[#]} 13. Qd3 $146 ({Predecessor:} 13. Qd1 O-O 14. O-O f5 15. exf5 Bxg2 16. Kxg2 Rxf5 17. Be3 Ra8 18. Nd5 Rf7 19. Ra3 {½-½ (69) Thilakarathne,G (2417)-Rahman,S (2202) Dhaka 2019}) 13... Nc5 14. Qe2 f5 15. Be3 O-O $1 ({Don't play} 15... fxe4 16. a5 $16) (15... Nxe4 16. Nxe4 fxe4 17. a5 $16) 16. a5 ({Better is} 16. O-O-O $14) 16... Ra8 (16... f4 $11 17. gxf4 exf4) 17. Bxc5 bxc5 18. O-O {[%cal Bh1f1,Bf1d1,Bd1d5][%mdl 32]} f4 $1 19. Rfd1 Rb8 20. b3 Qc7 (20... Qe8 $11 {is more appropriate.}) 21. Nd5 $14 Bxd5 22. Rxd5 f3 (22... Rb5 $14) 23. Bxf3 $16 Rb5 {[#]} 24. Qc4 $1 {[%csl LRc5,LRd6,LRe5]} Kh8 25. Qc3 c4 (25... Qa7 $16 {keeps fighting.} 26. Bg4 h6) 26. Rxb5 $18 ({Weaker is} 26. bxc4 Rxd5 27. exd5 Qc5 $16) 26... axb5 27. a6 {[%cal Ba5a6,Ba6a7][%mdl 32] a7 is the strong threat.} d5 28. a7 ({Resist} 28. exd5 Bc5 $18) 28... Ra8 29. Qa5 Qd7 {[#]} (29... Qb7 30. exd5 Bc5 31. bxc4 Qxa7) 30. Qb6 Bd6 31. Ra6 {Weighted Error Value: White=0.09 (flawless) /Black=0.36} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.5"]
[White "Vitoux, Colomban"]
[Black "Perdomo, Leandro"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "2372"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,89,0,10,0,6,0,10,-24,-5,-51,29,13,20,28,14,27,43,27,75,37,37,37,37,37,37,37,37,37,37,37,37,37,37,18,33,0,0,0,0,0,87,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12831,-12831,-12832,-12832,-12840,-12840,-12841,-12840,-29988,-29989,-29990,-29991,-29992,-29993,-29993,-29994,-29999]} 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Nc6 5. e3 Nge7 6. Nge2 O-O 7. O-O d6 8. d3 Bg4 9. h3 Be6 10. Nd5 Qd7 11. Kh2 {A25: English Opening vs King's Indian with ...Nc6 but without early d3.} Rab8 12. Rb1 f5 13. f4 {The position is equal.} b5 14. b3 {[#]} (14. Bd2 $11) 14... Bf7 $146 ({Black should try} 14... bxc4 $15 15. dxc4 e4) ({Predecessor:} 14... bxc4 15. dxc4 e4 16. Bb2 Bxb2 17. Rxb2 Bxd5 18. cxd5 Nb4 19. Rd2 Qb5 20. Nc3 Qc5 21. Na4 Qa5 22. Nc3 Qc5 23. Na4 Qa5 24. Nc3 {½-½ (24) Schelle,A (2146)-Tramalloni,L (1987) Bassano del Grappa 2020}) 15. Bb2 Nxd5 16. cxd5 Ne7 17. e4 c6 18. dxc6 Nxc6 (18... Qxc6 $11 19. Rc1 Qd7) 19. d4 exf4 $1 20. Nxf4 {aiming for exf5.} fxe4 21. d5 Ne5 22. Bxe4 Kh8 23. Qd2 b4 24. Rf2 a5 25. Rbf1 Qe7 26. Nd3 (26. Bd4 {feels hotter.} Bg8 27. Bg2 Qd7 28. Kh1 Rbe8 29. Qe2) 26... Nxd3 27. Bxd3 (27. Bxg7+ {looks sharper.} Kxg7 28. Qxd3 Rbe8 29. Bg2 g5 30. Qb5) 27... Bxd5 28. Bxg6 Rxf2+ 29. Rxf2 {And now Re2 would win.} Rf8 {[#]} 30. Rxf8+ (30. Re2 $1 $16 Qa7 (30... Be6 31. Bxg7+) 31. Bxg7+ (31. Qxd5 Rf2+ 32. Rxf2 Qxf2+ 33. Qg2 Qxg2+ 34. Kxg2 Bxb2 $11) 31... Qxg7 32. Qxd5 Qxg6 33. Qxa5) 30... Qxf8 $11 31. Bxg7+ Kxg7 32. Qxd5 Qf2+ 33. Qg2 Qxg2+ 34. Kxg2 Kxg6 {[%mdl 4096] Endgame KP-KP} 35. Kf3 Kf5 36. Ke3 {Hoping for Kd4.} Ke5 {White must now prevent ...d5.} 37. Kd3 $2 {[%mdl 8192]} (37. g4 $11) 37... d5 $19 {[%cal Bd6d5,Bd5d4][%mdl 32]} 38. Ke3 {[#]} d4+ $1 39. Kd3 {[#]} Kd5 $1 40. h4 h5 41. g4 hxg4 {Black mates.} 42. h5 g3 43. h6 g2 44. h7 g1=Q {[%cal Rg1d1]} 45. h8=Q Qd1# {Weighted Error Value: White=0.50/Black=0.11 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.6"]
[White "Tristan, Leonardo"]
[Black "Sanhueza, Cristian"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2561"]
[BlackElo "2242"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,29,28,17,16,31,29,14,16,32,31,27,14,-12,0,-8,49,14]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 e6 7. e4 exd5 8. exd5 {Black must now prevent d6.} d6 $1 {A45: Trompowsky Attack.} 9. Qd2 Be7 10. c4 (10. Ne2 {seems wilder.} O-O 11. Ng3 b5 12. c4 Qb4 13. Na3) 10... Qxd2+ {The position is equal.} 11. Nxd2 Nh5 12. Be3 f5 {Prevents g4.} 13. Bd3 O-O {[#]} 14. O-O-O $146 ({Predecessor:} 14. Ne2 Re8 15. O-O-O Na6 16. a3 Bd7 17. g3 Bf6 18. Bf2 Nc7 19. Rhe1 g6 20. h3 {½-½ (46) Skytte,R (2372)-Kotronias,V (2505) Aarhus 2018}) 14... Na6 (14... Nd7 $11) 15. Re1 {Weighted Error Value: White=0.06 (flawless) /Black=0.10 (very precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.7"]
[White "Menna Barreto, Felipe Kubiaki"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "E70"]
[WhiteElo "2351"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,111,35,38,25,33,25,25,34,33,29,25,27,53,48,52,49,45,38,56,45,63,61,83,43,60,41,48,24,55,20,20,0,5,0,0,0,0,-42,-31,-47,-24,-33,-38,-35,-29,-89,-35,-41,-25,-16,-18,-84,-87,-96,-88,-106,-82,-102,-63,-115,-58,-82,-81,-90,-83,-105,-81,-87,-89,-243,-263,-247,-209,-246,-211,-252,-93,-105,-101,-137,-170,-185,-108,-283,-275,-272,-30,-29,17,8,20,33,389,35,687,327,364,359,485,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 O-O 6. Nge2 Nc6 7. Bg5 {E70: King's Indian: Miscellaneous lines with 4 e4, including 5 Nge2 and 5 Bd3 0-0 6 Nge2.} h6 8. Bd2 Nd7 9. Be3 {White has an edge.} e5 {[%cal Re5d4]} 10. d5 Nd4 11. Qd2 {[#]} Kh7 $146 ({Predecessor:} 11... Qh4 12. O-O c5 13. dxc6 bxc6 14. Bc2 c5 15. Rad1 a5 16. Nb5 Rd8 17. Nec3 Nb6 {½-½ (50) Zeghachov,D (2100)-Sutovs,A (2163) ICCF email 2017}) 12. O-O c5 13. f3 a6 14. Rab1 Rb8 15. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} Nf6 16. b4 Bd7 17. Rb2 Qc7 18. Rfb1 b6 19. a4 {[%cal Oa4a5]} Rfc8 20. Bf2 (20. b5 $5 {[%cal Rb5a6]}) 20... Nh5 (20... cxb4 21. Rxb4 Be8 22. Nxd4 exd4 23. Bxd4 $16) 21. bxc5 bxc5 22. a5 Rxb2 23. Qxb2 Qxa5 24. Nxd4 (24. Qb6 $11 Nxe2+ 25. Nxe2) 24... cxd4 $15 25. Ne2 Qc7 26. Qb6 a5 27. Qa6 Qc5 (27... Rb8 {looks sharper.} 28. Rxb8 Qxb8 29. Qxa5 Qb3 30. Qd2 Qa3) 28. Qb6 (28. Be1 $11) 28... a4 (28... Qxb6 $1 $17 29. Rxb6 Bf8) 29. Qxc5 dxc5 30. Rb7 Be8 31. g3 (31. Ra7 $11 {keeps the balance.}) 31... Ra8 $17 32. Nc1 Nf6 33. Bb1 Nd7 34. Nd3 Kg8 35. Be1 (35. g4 $15) 35... Bf8 ({Black should play} 35... f5 $17 36. Rc7 Bf8) 36. Bd2 f5 37. Bc1 fxe4 38. fxe4 a3 39. Ba2 g5 40. Rb3 $2 (40. Nf2 $17) 40... Bg6 $19 41. Nf2 Nf6 42. Rb6 Bg7 43. Rc6 {[#]} Kh7 $2 (43... Nxe4 $1 $19 {has better winning chances.} 44. Nxe4 (44. Rxg6 $2 Nc3 $19) 44... Bxe4 45. Rxc5 Bf8) 44. Rxc5 $17 Nxe4 45. Nxe4 Bxe4 46. Rc7 Kg6 47. d6 $2 (47. c5 $17 {was the only defense.}) 47... Bf6 $19 48. d7 d3 $2 (48... Kf5 $19 {...Ke6 is the strong threat.} 49. Rc8 Ke6 50. Rxa8 Bxa8 51. Bxa3 Kxd7) 49. c5 $1 $11 Rd8 (49... Bd8 $142 50. Rc8 Bb7 51. Rxa8 Bxa8) 50. Kf2 {[%mdl 1024] next g4 is good for White. White has compensation.} g4 51. c6 Bf5 {[%mdl 8192] Prevents Be6.} (51... Bxc6 $1 $14 52. Rxc6 Rxd7) 52. Rb7 $2 (52. Ra7 $18 {Hoping for c7.} e4 53. Ke1 (53. Rxa3 Bxd7 54. cxd7 Rxd7 $16)) 52... Rf8 $2 {[%mdl 8192]} (52... Be4 $14 53. Rb6 Bxc6 54. Rxc6 Rxd7) 53. Ke1 (53. Bxa3 $142 d2 54. Ke2) 53... e4 (53... Be4 $2 54. Rb8 $3 {[%mdl 512]} Bxc6 55. Rxf8 $18) 54. Rb5 {[%cal Ob5f5] And now Rxf5! would win.} ({Avoid the trap} 54. Bxa3 $2 Bc3+ 55. Kf2 Bd4+ 56. Kf1 {[#]} (56. Ke1 $2 e3 $19) 56... e3 $1 $19 {[%mdl 512]}) 54... Bd8 55. Bxa3 $2 ({Better is} 55. Bf4 $18) 55... Rf6 {aiming for ...e3.} 56. Rb8 {Weighted Error Value: White=0.41/Black=0.47} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.8"]
[White "Spata, German"]
[Black "Santiago, Yago De Moura"]
[Result "1/2-1/2"]
[ECO "D97"]
[WhiteElo "2300"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,89,14,25,21,24,0,0,14,5,0,0,-18,-11,-11,-14,-14,-15,-6,-8,-15,-12,-16,-8,-10,-5,-10,-5,-4,0,-28,-19,-27,0,0,0,0,7,3,15,9,6,8,10,6,9,8,14,0,0,0,0,0,0,0,0,-412,-405,-456,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 a6 8. Be2 b5 9. Qb3 c5 10. dxc5 Be6 $1 {10...Be6 is better than 10...Bb7.} 11. Qc2 {D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4.} Nbd7 12. Be3 Rc8 $1 13. Rd1 {And now Ng5 would win.} b4 14. Na4 Qa5 15. b3 {Ng5 is the strong threat.} (15. O-O $5 {[%cal Rf3g5]} Nxe4 16. Qxe4 Qxa4 17. Ng5 $11) 15... Ng4 16. Bd4 Bxd4 17. Nxd4 Nxc5 18. Nxc5 Rxc5 19. Qd2 Bc8 {[#]} 20. Nf5 $146 ({Predecessor:} 20. O-O Qc7 21. Bxg4 Bxg4 22. f3 e5 23. fxg4 exd4 24. Qxd4 Rc2 25. Rd2 a5 26. h3 Rxd2 27. Qxd2 {1-0 (52) Latzke,B (2257)-Smolny,F (2156) Stuttgart 2015}) 20... Bxf5 21. exf5 Nf6 {[%cal Bg4f6,Bf6e4,Be4c3][%mdl 32]} 22. fxg6 hxg6 23. O-O Ne4 24. Qf4 Nc3 25. Rd2 Qb6 26. Bc4 a5 27. Qe3 Qc7 28. Re1 Rh5 29. h3 e6 30. a3 Rc5 31. axb4 axb4 32. Rd4 Rh5 {Inhibits Rh4.} 33. Rg4 Kg7 34. Ra1 Rd8 35. Rd4 Re5 36. Qd2 Ne4 37. Qd3 {[%mdl 8192] [#]} (37. Qb2 $11 {and White is okay.} Nc3 38. Qd2) 37... Nxf2 $1 $19 {[%mdl 512]} 38. Kxf2 {[#]} (38. Rxd8 Nxd3) 38... Qc5 $2 (38... Rf5+ $1 $19 39. Qxf5 (39. Kg1 $2 Qc5 $19) 39... gxf5 40. Rxd8 Qxd8) 39. Rd1 $11 {Threatens to win with Kg3. The position is equal.} Rf5+ 40. Ke2 $1 {[%cal Od3f5]} (40. Kg1 $2 Rf4 41. Qb1 Rfxd4 $19) 40... Re5+ 41. Kf1 Rf5+ $1 42. Ke2 $1 {[%cal Od3f5] Hoping for Qxf5!} ({Not} 42. Kg1 $2 Rf4 43. Qb1 Rfxd4 $19) 42... Re5+ 43. Kf1 Rf5+ $1 44. Ke2 $1 {[%cal Od3f5] Black must now prevent Qxf5!} ({Avoid the trap} 44. Kg1 $2 Rf4 45. Qb1 Rfxd4 $19) 44... Re5+ 45. Kf1 {Weighted Error Value: White=0.23 (precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.9"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Lujan, Carolina"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2439"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,32,-1,-6,0,-11,-11,-18,-14,-23,-7,-78,-64,-71,-68,-81,-46,-76,-76,-75,-26]} 1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. g3 Nc6 5. Bg2 e6 6. O-O Nge7 {[%cal Bg8e7,Be7d5,Bd5b4,Bb4d3][%mdl 32]} 7. b3 O-O 8. Bb2 b6 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} 9. e3 d5 10. cxd5 Nxd5 {[#] The position is equal.} 11. Qb1 $146 ({Predecessor:} 11. a3 Ba6 12. Re1 Bd3 13. Bf1 Nde7 14. Rc1 Rc8 15. Bxd3 Qxd3 16. Qc2 Rfd8 17. Qxd3 Rxd3 {0-1 (47) Kassebaum,R (2292)-Greenfeld,A (2535) Lingen 2015}) 11... Ndb4 12. a3 (12. d4 $1 $11) 12... Nd3 $17 13. Ne1 Nxb2 14. Qxb2 Qd7 15. b4 {[#] And now b5 would win.} Rb8 16. Rb1 c4 {Weighted Error Value: White=0.16 (very precise) /Black=0.11 (very precise)} ({Black should play} 16... Rd8 $17) 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.10"]
[White "Michailov, Matias"]
[Black "Labollita, Martin"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2248"]
[BlackElo "2388"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,24,25,10,27,-4,0,0,1,6,15,18,20,13,13,13,12,12,13,0,22,19,31,17,60,53,48,17,10,10,66,50,54,41,56,56,128,60,68,80,79,73,172,172,165,154,169,170,169,163,150,164,171,166]} 1. d4 d5 2. c4 e6 3. Nf3 a6 4. g3 dxc4 5. Bg2 Nc6 6. O-O {D30: Queen's Gambit Declined: Systems without Nc3.} Rb8 7. Bg5 {[#]} (7. e3 {looks sharper.} b5 8. b3 cxb3 9. Nfd2 Bb7 10. Nxb3 Nf6 11. Bb2) 7... Be7 $146 ({Predecessor:} 7... Nf6 8. Nbd2 Nxd4 9. Nxc4 Nxf3+ 10. Bxf3 Bd6 11. Qd4 e5 12. Nxe5 O-O 13. Rfd1 h6 {½-½ (31) Protassov,V (1982)-Shishkov,A (2405) Viljandi 2021}) 8. Bxe7 {The position is equal.} Ngxe7 9. e3 b5 10. b3 cxb3 11. axb3 O-O 12. Nc3 {[%cal Bb1c3,Bc3e4,Be4c5][%mdl 1056] White has compensation.} Rb6 13. Ne4 f6 14. Qe2 Qe8 15. Rfc1 Qg6 16. Nc5 e5 (16... Rd8 $11) 17. dxe5 $1 $14 fxe5 18. Nd2 (18. Qb2 $5 {[%cal Rf3e5]}) 18... Bg4 19. Qe1 Nd8 (19... Nb4 $11) 20. h3 Bc8 21. Nde4 Nf7 22. Rd1 Rd6 {Prevents Nd7.} 23. Qa5 (23. Nxd6 $16 cxd6 24. Nxa6) 23... Rxd1+ 24. Rxd1 Qb6 25. Qc3 {White is much more active.} b4 (25... c6 $16) 26. Qc4 $18 {White is clearly better.} Qb5 {[#] Inhibits Nd7.} 27. Bf1 {[%cal Bg2f1,Bf1c4,Bc4e6][%mdl 32]} h6 {[#] Inhibits Ng5.} 28. Ne6 $1 {[%cal Oe4f6] Hoping for Nf6+!} ({But not} 28. Nxa6 $6 Qxc4 29. Bxc4 Bxh3 $16) 28... Qxc4 29. Bxc4 Bxe6 30. Bxe6 {Strongly threatening Rd7.} Re8 31. Rd7 {Weighted Error Value: White=0.08 (flawless) /Black=0.16 (very precise)} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.11"]
[White "Curi, Gabriel"]
[Black "Coro, Lucas"]
[Result "0-1"]
[ECO "E22"]
[WhiteElo "2205"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,0,14,1,14,15,18,0,14,24,26,13,7,-24,16,-17,0,-14,0,-5,0,-13,4,-21,-22,-20,-27,-51,-42,-72,-69,-99,-95,-206,-150,-185,-175,-225,-212,-217,-162,-176,-170,-152,-157,-161,-147,-161,-149,-202,-190,-189,-200,-206,-148,-187,-187,-176,-151,-211,-129,-135,-133,-167,-137,-165,-84,-356,-310,-747,-722,-617,-491,-29985,-29986,-29986,-29987,-29984,-29974]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Bxc5 6. Nf3 O-O 7. Bg5 {E22: Nimzo-Indian: 4 Qb3.} b6 8. e3 Bb7 9. Be2 {The position is equal.} Be7 10. O-O d6 11. Rad1 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8g6][%mdl 32] [#]} 12. Rd2 $146 ({Predecessor:} 12. Qc2 Qc7 13. Bh4 Rac8 14. a3 Rfd8 15. Bg3 Qb8 16. Nd2 Qa8 17. e4 Nc5 18. Bh4 {½-½ (30) Caron,S (2433)-Perez Lopez,A (2431) ICCF email 2018}) 12... a6 13. Rfd1 Qc7 14. Qc2 Rad8 15. Rd4 Rfe8 16. Bh4 Nf8 17. R4d2 Ng6 18. Bg3 Nh5 19. Ne4 {[%cal Rg3d6]} Nxg3 20. hxg3 b5 21. Rc1 bxc4 22. Neg5 (22. Nc3 $17 {might work better.}) 22... Qa5 23. Nh3 Rc8 ({Worse is} 23... Qxa2 24. Qxc4 Qxc4 25. Rxc4) 24. a3 (24. Nf4 $142) 24... Rc7 $19 25. Qc3 Qb6 26. b3 d5 {[%cal Bd6d5,Bd5c4][%mdl 32]} 27. bxc4 dxc4 28. Rb2 Qd6 29. Rb4 Bf6 30. Nd4 (30. Qc2 $17) 30... Bd5 31. Nf4 Nxf4 32. gxf4 Rec8 33. Rcb1 e5 34. fxe5 Qxe5 35. Bf1 (35. Bg4 $17) 35... Be7 36. Rb6 {[%cal Od4b5]} Be4 {A strong pair of Bishops.} ({Inferior is} 36... Bd6 37. f4 Qf6 38. Rd1 $17) 37. R1b2 Bd3 $40 {[%mdl 128] Black has strong attack.} 38. Rxa6 Qh5 (38... Bxf1 $19 39. Ra5 {[#]} Bc5 $1 40. Kxf1 Qh5) 39. f3 $2 {[%mdl 8192] Loses the game.} (39. Be2 $17 {was the only defense.} Bxe2 40. Rxe2) 39... Bxf1 40. Kxf1 (40. Ra5 Qh4 41. Kxf1) 40... Qh1+ 41. Kf2 Bh4+ 42. Ke2 {[#]} (42. g3 $19 Qh2+ 43. Kf1 Qxg3 44. Rab6) 42... Qxg2+ {Black mates.} 43. Kd1 Qf1+ 44. Kc2 Be1 {Weighted Error Value: White=0.55/Black=0.16 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.12"]
[White "Ricardi, Pablo"]
[Black "Nejanky, Maisa"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2464"]
[BlackElo "1948"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,84,0,0,0,-12,-15,0,0,-35,-21,-21,-18,-20,0,-4,0,-7,0,0,0,-8,0,-14,-16,-50,-19,-60,-38,-36,-39,-31,-39,-39,-10,-59,-56,-69,-64,-72,-14,-110,-111,-116,-103,-105,-5,-15,0,-78,0,-77,0,-116,0,-79,0,0,0,-102,-11,-65,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bxd7+ Bxd7 {[%cal Bc8d7,Bd7c6,Bc6e4][%mdl 32]} 6. Re1 Nf6 7. c3 Bc6 8. d4 Bxe4 9. Bg5 Bd5 10. Nbd2 e6 11. c4 Bxf3 12. Qxf3 cxd4 13. Qxb7 (13. Bxf6 gxf6 14. Qxb7 Bg7 15. Qc6+ Ke7 16. Nb3 f5 17. Rad1 Rc8 18. Qxa6 Ra8 19. Qb5 Qb8 20. Qxf5 Rxa2 21. Nxd4 Bxd4 22. Rxd4 Qxb2 23. Rf4 Re8 24. Qxf7+ {1-0 (34) Ricardi,P (2485)-Nejanky,M (2000) Buenos Aires 2019}) 13... Qc8 {Inhibits Qc6+. B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 14. Qf3 Be7 15. Nb3 $1 h6 {The position is equal.} 16. Bh4 O-O 17. Rac1 Rb8 {[#]} 18. Qe2 $146 ({Predecessor:} 18. Rc2 Qb7 19. Qxb7 Rxb7 20. Nxd4 g5 21. Bg3 Rc8 22. b3 d5 23. cxd5 Rxc2 24. Nxc2 Nxd5 {0-1 (72) Muzychuk,M (2529)-Ju,W (2568) Beijing 2014}) 18... Qd7 19. Nxd4 Rfc8 20. b3 d5 21. cxd5 Nxd5 22. Bxe7 Nxe7 23. Rcd1 {[%cal Od4f5]} Nd5 {Strongly threatening ...Nc3.} 24. Qg4 Rb4 {Threatens to win with ...Nf6.} 25. a3 (25. Rd3 $11 {is more appropriate.}) 25... Rb6 {[%cal Bb4b6,Bb6d6,Bd6d1][%mdl 32]} 26. h3 Rd6 {aiming for ...Nf6.} 27. Nf3 $1 Rc3 28. Ne5 Qb7 29. b4 {[#]} (29. Rc1 $11) 29... Nf6 $1 $15 30. Qe2 Rxd1 31. Rxd1 Nd5 (31... Qc7 $1 $17) 32. Rd3 (32. Ng6 $1 $11) 32... Rc1+ $1 $17 (32... Nf4 $6 33. Qf3 Rc1+ 34. Kh2 $11) 33. Kh2 Qc7 (33... Nf4 $6 34. Rd8+ (34. Qf3 Nd5 $11) 34... Kh7 35. Qf3 Qxf3 36. Nxf3 $11) 34. g3 {Inhibits Nf4.} Rc2 (34... Rb1 $1 $17 {...Qc1 is the strong threat.} 35. h4 Qc1) 35. Qe1 $11 Rc1 36. Qe4 {[#]} (36. Qe2 $11) 36... f5 (36... Qc2 $1 $17 {[%cal Rc2f2]} 37. Qf3 f6 38. Rxd5 exd5) 37. Qd4 (37. Qe2 $1 $11) 37... Rc2 (37... Qc2 $17 {And now ...Qe2 would win.} 38. Rd2 (38. Qa7 $2 Kh7 $19) 38... Qb1) 38. Kg1 (38. Ng6 $11) 38... Rc1+ ({Better is} 38... Re2 $17 39. Nf3 Qc1+ 40. Rd1 Qxa3) 39. Kg2 (39. Kh2 $11 {remains equal.}) 39... Qb7 (39... Kh7 $17) 40. Nf3 Qc6 41. Rd1 {[#]} (41. Qe5 $11 {keeps the balance.}) 41... Rc2 (41... Rc4 $1 $17 {[%cal Rc4d4]} 42. Qe5 Rc3 43. Rxd5 (43. Qb8+ $2 Kh7 $19) 43... exd5) 42. Rd2 ({White should try} 42. Kg1 $1 $11) 42... Rc1 {Weighted Error Value: White=0.35/Black=0.29 (precise)} (42... Rc4 $1 $15 43. Qe5 (43. Qa7 $2 Rc3 $19) 43... Rc3) 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.13"]
[White "Hoffman, Alejandro"]
[Black "Durante, Aurelio"]
[Result "1-0"]
[ECO "E44"]
[WhiteElo "2403"]
[BlackElo "1944"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,103,10,12,19,0,7,31,21,25,33,43,43,39,0,17,8,11,7,27,34,35,60,91,37,28,21,29,14,39,8,77,39,39,20,18,0,0,0,0,0,0,0,1,5,35,19,17,10,10,13,28,0,14,0,27,6,16,8,10,12,62,39,47,49,60,41,72,72,67,66,92,44,197,197,193,178,161,161,462,398,327,256,1310,1322,29976,29977,29977,29977,29975,29977,29980,29981,29982,29979]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ne4 6. Qc2 Bb7 (6... Qh4 $2 7. g3 Nxg3 8. fxg3 $18) 7. Ng3 {E44: Nimzo-Indian: Rubinstein: 4...b6 5 Ne2.} Qh4 8. Bd3 {[%cal Rd3e4]} f5 9. O-O {[%cal Rc3e4] White is slightly better.} Bxc3 {[#]} 10. Bxe4 $146 ({Predecessor:} 10. bxc3 O-O 11. Ne2 Rf6 12. Bxe4 Bxe4 13. Qd1 Bf3 {0-1 (13) Bareev,E (2560)-Zsinka,L (2420) Naestved 1988}) 10... fxe4 11. Qxc3 O-O 12. d5 exd5 13. cxd5 Bxd5 14. Qxc7 Bc6 15. Qd6 Na6 16. b4 {[%cal Ob4b5]} Rae8 17. Bb2 (17. a4 $1 $16 {b5 is the strong threat.} Re6 18. Qd4) 17... Qe7 $14 18. Qxe7 Rxe7 19. Bc3 Ref7 20. Rfb1 Nc7 (20... Rxf2 $2 21. b5 $16) (20... Bb5 $11 {remains equal.}) 21. Rb2 (21. Be5 $5 {[%cal Re5c7]} Ne8 22. Rb2 $14 (22. b5 Bb7 $16)) 21... Nb5 22. Be1 Na3 23. b5 Nxb5 24. Nxe4 Bxe4 25. Rxb5 Rf5 26. Rb4 Bc6 27. f3 b5 28. e4 Rc5 29. Rb2 {aiming for Bb4.} Rc4 30. Rd1 Re8 31. Bg3 a5 32. Bd6 Re6 33. Kf2 Kf7 34. Bc7 a4 35. Bd6 g6 (35... Rf6 $11) 36. a3 Rc3 37. Bb4 Rc4 38. Rbd2 Ke8 39. h4 Rf6 40. Kg3 h6 41. h5 {White is more active.} (41. Rd6 $16 Kf7 42. R6d3) 41... g5 $2 {[#] This costs Black the game.} (41... gxh5 $14 42. Rd6 Re6) 42. Rd6 $1 $18 Kf7 {[#]} 43. Rxf6+ $1 Kxf6 {[%mdl 4096] Endgame KRB-KRB} 44. Rd6+ Kf7 $2 (44... Ke5) 45. Kg4 Kg7 46. Kf5 {Hoping for Rg6+.} Kf7 (46... Kh7 47. Rf6 Bb7 48. Rf7+ Kg8) 47. Rxh6 {White threatens Rf6+ and mate.} Rxb4 48. axb4 {White mates.} a3 49. Rd6 a2 50. Rd1 d5 51. Ra1 dxe4 52. Rxa2 {Weighted Error Value: White=0.13 (very precise) /Black=0.40} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.14"]
[White "Vazquez, Facundo"]
[Black "Salguero, Rafael"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2319"]
[BlackElo "1948"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,83,31,31,33,23,52,47,54,48,53,38,40,48,48,49,39,39,41,11,22,0,0,0,0,0,32,0,0,0,16,-5,0,0,40,39,40,0,0,6,6,0,113,112,141,139,134,0,0,0,125,112,188,195,204,170,187,180,170,82,70,70,77,15,410,404,395,341,336,325,29997,29998,29998,29999]} 1. d4 e6 2. c4 Nf6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 O-O 6. Nc3 d6 7. g3 Nc6 {E11: Bogo-Indian.} 8. Rd1 {was the old line (8.Bg2).} Qe7 9. Bg2 e5 {White is slightly better.} 10. O-O Bg4 11. d5 {[#]} Bxf3 $146 ({Predecessor:} 11... Nb8 12. Nh4 a5 13. Rde1 Na6 14. e4 Rae8 15. Nb5 b6 16. b3 Bd7 17. a3 Nc5 {½-½ (30) Miton,K (2605)-Gazik,V (2485) Slovakia 2018}) 12. exf3 Nb8 13. b4 Nbd7 14. Rfe1 Qd8 15. Ne2 {[%cal Bc3e2,Be2c1,Bc1b3][%mdl 32]} b6 16. Nc1 a5 17. a3 axb4 18. axb4 Ra1 19. Nb3 (19. Ne2 $5 {[%cal Rd1a1]} Rxd1 20. Rxd1 $14) 19... Rxd1 20. Rxd1 Qb8 21. Ra1 Qb7 22. Qa2 Rb8 23. Qa7 Kf8 24. f4 {Threatens to win with Qxb7.} Qxa7 25. Rxa7 exf4 26. gxf4 Rc8 (26... Re8 $11 {remains equal.}) 27. Nd4 $1 $16 Nh5 28. Bh3 $36 {[%mdl 2048] White has strong initiative.} Ke8 29. Ne2 (29. Ra3 $16 {Re3+ is the strong threat.} Nhf6 30. Kg2) 29... g6 $11 30. Bg4 Ng7 (30... Nhf6 $1 $11 31. Bh3 Nh5) 31. Nd4 $16 f5 {[#]} (31... Ke7 $16 {is a better defense.} 32. Kg2 (32. Nc6+ Ke8 $16) 32... Kd8) 32. Bd1 $1 $18 Nf6 33. Ba4+ Kf7 34. Bb5 Nfh5 {[#]} 35. Bd7 (35. Ne2 $1 $18) 35... Rd8 $16 36. Rxc7 {Black must now prevent Ne6. White is much more active.} Kf6 37. Be6 ({White should try} 37. Ra7 $16) 37... Nxf4 {[%mdl 8192] A mistake that costs the game.} (37... Rf8 $1 $11) 38. Rf7+ $18 Kg5 {[%cal Od8a8]} 39. Rxg7 Ra8 {[%cal Ra8a1]} 40. h4+ Kg4 $2 (40... Kxh4 $18 41. Bxf5 gxf5 42. Nxf5+ Kh5 43. Nxd6 Ra1+ 44. Kh2 Nd3) 41. Bxf5+ Kxh4 42. Nf3+ {Weighted Error Value: White=0.16 (very precise) /Black=0.52} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.21"]
[White "Kulik, Nicolas"]
[Black "Carvalho, Guillermo"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1775"]
[BlackElo "2171"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,76,51,23,24,0,50,43,36,0,-22,-183,-175,-184,-185,-164,-167,-164,-171,-173,-183,-174,-179,-211,-131,-130,-135,-186,-75,-86,-83,-95,-99,-103,-117,-125,-106,-177,-140,-561,-536,-982,-956,-12837,-12838,-12838,-12839,-12839,-12839,-29997,-29994,-29994,-29995,-29995,-29996,-29996,-1023]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Nc6 7. Nf3 Bg4 8. Be2 Be7 9. O-O O-O 10. b3 Re8 11. Be3 Bf6 12. Rc1 d5 {B05: Alekhine's Defence: 4 Nf3 Bg4.} 13. cxd5 (13. c5 $5 {[%cal Rc5b6]} Nc8 14. h3 $11) 13... Nxd5 (13... Nb4 $1 $11) 14. Nxd5 $14 Qxd5 {White is slightly better.} 15. Rc5 (15. h3 $1 $14 Bd7 16. Rc5) 15... Qd6 $11 {[%cal Oc6d4] [#]} 16. d5 $146 {[#]} (16. Qc1 $1 $11) ({Predecessor:} 16. h3 Bd7 17. Qd2 Rad8 18. Rd1 b6 19. Rcc1 Nb4 20. d5 c6 21. dxc6 Qxd2 22. Rxd2 Bxc6 23. Rxd8 Rxd8 {½-½ (61) Rainfray,A (2392)-Luther,T (2575) France 2003}) 16... Rxe3 $1 $19 {[%mdl 512]} 17. Rxc6 bxc6 18. fxe3 cxd5 19. Nd4 Bd7 20. Bg4 c5 21. Nf5 Bxf5 22. Bxf5 Qe5 23. Qf3 Re8 24. Rd1 {[#]} (24. Bd7 $17 {might work better.} Qxe3+ 25. Qxe3 Rxe3 26. Rf5) 24... d4 (24... Qc3 $1 $19 {is more deadly.} 25. e4 Qb4) 25. exd4 $17 cxd4 26. Bd3 g6 27. Rf1 Kg7 28. Qc6 {[%cal Of1f6] Black must now prevent Rxf6!} Re7 29. Qa6 (29. g3 $17) 29... Bg5 {Threatens to win with ...Bf4.} 30. a4 $2 {[%mdl 8192]} (30. Qb5 $17) 30... Bf4 $19 31. g3 {[#]} Bxg3 {[%mdl 512]} 32. hxg3 (32. Qc6 Bxh2+) 32... Qxg3+ 33. Kh1 Qh4+ 34. Kg2 Re3 {( -> ...Qg4+)} 35. Rf2 Rg3+ {Black mates.} 36. Kf1 Qh1+ 37. Ke2 Re3+ 38. Kd2 Qe1+ {Weighted Error Value: White=1.17/Black=0.13 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.22"]
[White "Boabaid, Jorge Alberto Duarde"]
[Black "Granara Barreto, Sebastian"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1756"]
[BlackElo "2131"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,38,5,4,0,0,-33,-31,-137,-103,-1107,-1095,-1266,-1250,-1241,-902,-1156,-887,-29991,-29992,-29992,-29993]} 1. e4 {Primel,D} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. O-O-O d5 10. Nxc6 bxc6 11. Bd4 {11.Bh6 is the modern continuation. B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0.} dxe4 12. fxe4 {[#]} Be6 $146 {Threatens to win with ...Qa5.} ({Predecessor:} 12... Qa5 13. Bc4 Bg4 14. Rde1 Rad8 15. Qf2 Qb4 16. Bxf6 Bxf6 17. Bb3 Bxc3 18. bxc3 Qa3+ 19. Kb1 a5 20. Rhf1 Be6 21. Bxe6 fxe6 22. Qb6 Rfe8 {0-1 (22) Maleki,N (2127)-Brunner,N (2407) Issy les Moulineaux 2006 EXT 2007 [Primel,D]}) 13. Be2 {[#]} (13. Qf4 $1 $15 Qa5 14. Qe5 Qxe5 15. Bxe5) 13... Qa5 $1 $17 14. Kb1 $2 {[%mdl 8192] [#]} (14. a3 $17) 14... Nxe4 $1 $19 {[%mdl 512]} 15. Qe3 (15. Qf4 Bxd4) 15... Nxc3+ 16. Bxc3 Qxa2+ 17. Kc1 Rad8 {[%cal Ra2a1]} 18. b3 Qa3+ 19. Kb1 {[#]} Bxb3 $1 {White got outplayed after the opening.  Weighted Error Value: White=2.03/Black=0.25 (precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.23"]
[White "Guerrero, Alvaro"]
[Black "Pena Canapa, Alfredo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2123"]
[BlackElo "1841"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,43,0,0,-4,0,-7,0,-9,8,-8,-13,-4,35,48,21,29,64,53,55,46,40,59,74,29,73,74,203,143,152,154,151,136,148,118,571,561]} 1. d4 d5 2. Nf3 Nf6 3. h3 c5 4. e3 Nc6 5. c3 cxd4 6. exd4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bf5 7. Nbd2 h6 {[#]} 8. Nb3 $146 {The position is equal.} ({Predecessor:} 8. Be2 e6 9. O-O Bd6 10. Re1 O-O 11. Nf1 Qc7 12. Ne3 Bh7 13. Bd2 a5 14. a4 {0-1 (29) Papler,P (1622)-Monticone,S (1940) Portoroz 2016}) 8... Ne4 9. Bb5 Qc7 10. Ne5 Nd6 11. Bxc6+ bxc6 12. Bf4 $36 {[%mdl 2048] White fights for an advantage.} Qb6 13. O-O e6 14. Re1 Be7 15. Qe2 Qb5 16. g4 ({White should try} 16. Qxb5 $16 cxb5 17. a4) 16... Be4 (16... Bh7 $11 {feels stronger.}) 17. f3 $16 Bh4 18. Qxb5 cxb5 19. fxe4 Bxe1 20. Rxe1 {[#] Hoping for exd5.} Nxe4 21. Nc5 {White is more active.} f5 $2 {[%mdl 8192]} (21... g5 $16) 22. Nxe6 {Weighted Error Value: White=0.12 (very precise) /Black=0.53} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.24"]
[White "Elena, Eduardo"]
[Black "Castro, Cesar"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "1712"]
[BlackElo "2097"]
[Annotator "ChessBase"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:05:26]} 2. Nf3 {[%emt 0:00:06]} d6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:10]} 5. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:03]} 6. Bg5 {[%emt 0:00:05]} e6 {[%emt 0:00:11]} 7. f4 {[%emt 0:00:38]} Be7 {[%emt 0:00:33]} 8. Qf3 {[%emt 0:00:05]} Nbd7 {[%emt 0:00:07]} 9. O-O-O {[%emt 0:00:13]} Qc7 {[%emt 0:00:15]} 10. Kb1 {[%emt 0:00:31]} Rb8 {[%emt 0:04:20]} 11. Bd3 {[%emt 0:08:30]} h6 {[%emt 0:01:38]} 12. Bxf6 Bxf6 {[%emt 0:02:26]} 13. Nce2 {[%emt 0:09:51]} b5 {[%emt 0:02:46]} 14. g4 {[%emt 0:06:35]} Qb6 {[%emt 0:01:05]} 15. Nb3 {[%emt 0:02:19]} a5 {[%emt 0:02:25]} 16. h4 {[%emt 0:02:15]} a4 {[%emt 0:00:11]} 17. Nd2 {[%emt 0:07:48]} Nc5 {[%emt 0:00:58]} 18. g5 {[%emt 0:01:11]} Be7 {[%emt 0:03:48]} 19. Ng3 {[%emt 0:12:39]} a3 {[%emt 0:03:06]} 20. b3 {[%emt 0:00:57]} Na4 {[%emt 0:01:54]} 21. Ne2 {[%emt 0:01:28]} Bd7 {[%emt 0:01:22]} 22. c4 {[%emt 0:04:26]} Qa5 {[%emt 0:05:33]} 23. cxb5 {[%emt 0:08:23]} Qb4 {[%emt 0:32:22]} 24. Qe3 {[%emt 0:07:31]} hxg5 {[%emt 0:03:28]} 25. Qa7 {[%emt 0:02:50]} Rxb5 {[%emt 0:02:20]} 26. Bxb5 {[%emt 0:03:20]} Bxb5 {[%emt 0:00:04]} 27. Qb8+ {[%emt 0:01:34]} Bd8 {[%emt 0:00:19]} 28. Nc4 {[%emt 0:00:26]} O-O {[%emt 0:01:14]} 29. Qxd6 {[%emt 0:00:50]} Nc3+ 30. Nxc3 {[%emt 0:01:32]} Qxc3 {[%emt 0:03:55]} 31. hxg5 Bxc4 {[%emt 0:06:02]} 32. Rh8+ {[%emt 0:05:52]} Kxh8 {[%emt 0:00:03]} 33. Qxf8+ {[%emt 0:00:04]} Kh7 {[%emt 0:00:04]} 34. Rh1+ {[%emt 0:00:08]} Kg6 {[%emt 0:00:03]} 35. Rh6+ {[%emt 0:00:03]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.25"]
[White "Brizzi, Milagros Tatiana"]
[Black "Visillac, Alejandro"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2063"]
[BlackElo "1814"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} e6 {[%emt 0:04:26]} 2. d4 {[%emt 0:00:14]} d5 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:13]} Bb4 {[%emt 0:01:21]} 4. e5 {[%emt 0:00:32]} c5 {[%emt 0:00:23]} 5. a3 {[%emt 0:00:15]} Bxc3+ {[%emt 0:00:17]} 6. bxc3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:46]} 7. Qg4 {[%emt 0:01:50]} Nge7 {[%emt 0:05:02]} 8. Qxg7 {[%emt 0:01:22]} Rg8 {[%emt 0:00:11]} 9. Qxh7 {[%emt 0:00:08]} cxd4 {[%emt 0:00:07]} 10. Nf3 {[%emt 0:01:04]} Qc7 {[%emt 0:02:40]} 11. Bf4 {[%emt 0:00:28]} Bd7 {[%emt 0:03:22]} 12. h4 {[%emt 0:06:40]} O-O-O {[%emt 0:02:27]} 13. Qd3 {[%emt 0:15:53]} Ng6 {[%emt 0:04:33]} 14. Bg3 {[%emt 0:03:43]} Qa5 {[%emt 0:00:10]} 15. h5 {[%emt 0:01:54]} Rh8 {[%emt 0:00:10]} 16. Rh3 {[%emt 0:02:44]} Nge7 {[%emt 0:01:04]} 17. Nxd4 {[%emt 0:01:30]} Nxd4 {[%emt 0:00:36]} 18. Qxd4 {[%emt 0:00:09]} Nc6 {[%emt 0:05:08]} 19. Qd2 {[%emt 0:01:12]} Qc5 {[%emt 0:02:54]} 20. f4 {[%emt 0:04:35]} Rdg8 {[%emt 0:05:22]} 21. Bf2 {[%emt 0:03:58]} Qf8 {[%emt 0:04:29]} 22. Bd4 {[%emt 0:03:49]} Qg7 {[%emt 0:01:06]} 23. O-O-O {[%emt 0:02:45]} Qg4 {[%emt 0:02:50]} 24. h6 {[%emt 0:00:25]} Qg6 {[%emt 0:00:35]} 25. h7 {[%emt 0:01:25]} Rg7 {[%emt 0:00:19]} 26. Bd3 {[%emt 0:00:15]} Qxg2 {[%emt 0:01:32]} 27. Qxg2 {[%emt 0:00:06]} Rxg2 {[%emt 0:00:07]} 28. Rg1 {[%emt 0:00:10]} Rxg1+ {[%emt 0:00:15]} 29. Bxg1 {[%emt 0:00:06]} Ne7 {[%emt 0:00:20]} 30. Rh6 b5 {[%emt 0:08:01]} 31. Bf2 {[%emt 0:04:30]} d4 {[%emt 0:00:06]} 32. Bh4 {[%emt 0:02:08]} Nd5 {[%emt 0:02:58]} 33. c4 {[%emt 0:00:17]} bxc4 {[%emt 0:00:39]} 34. Bxc4 {[%emt 0:00:04]} Ne3 {[%emt 0:00:13]} 35. Ba6+ {[%emt 0:00:32]} Kc7 {[%emt 0:01:55]} 36. Bf6 {[%emt 0:00:08]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.26"]
[White "Migens Romero, Juan"]
[Black "Pichuaga, Juan Pablo"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2097"]
[BlackElo "2030"]
[Annotator "ChessBase"]
[PlyCount "33"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:13:13]} e6 {[%emt 0:02:42]} 2. d4 {[%emt 0:00:22]} d5 {[%emt 0:00:04]} 3. Nd2 {[%emt 0:00:38]} Nf6 {[%emt 0:00:46]} 4. e5 {[%emt 0:00:26]} Nfd7 {[%emt 0:00:05]} 5. Bd3 {[%emt 0:00:20]} c5 {[%emt 0:00:06]} 6. c3 {[%emt 0:00:11]} Nc6 {[%emt 0:00:05]} 7. Ne2 {[%emt 0:00:15]} Qc7 {[%emt 0:00:42]} 8. Nf3 {[%emt 0:05:46]} c4 {[%emt 0:01:16]} 9. Bc2 {[%emt 0:00:08]} Nb6 {[%emt 0:00:12]} 10. b4 {[%emt 0:00:49]} Bd7 {[%emt 0:00:51]} 11. a4 {[%emt 0:00:58]} O-O-O {[%emt 0:00:35]} 12. Ng5 {[%emt 0:06:58]} Be8 {[%emt 0:02:20]} 13. Nxh7 {[%emt 0:00:38]} Be7 {[%emt 0:00:59]} 14. Ng5 {[%emt 0:03:36]} Rh5 {[%emt 0:22:32]} 15. h4 {[%emt 0:05:48]} Rh8 {[%emt 0:07:40]} 16. Be3 {[%emt 0:07:19]} a5 {[%emt 0:09:08]} 17. b5 {[%emt 0:12:33]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.30"]
[White "Siddeley, Hugh"]
[Black "De la Torre, Andres"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2000"]
[BlackElo "1680"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:04]} g6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:08]} 4. e4 {[%emt 0:00:04]} d6 {[%emt 0:00:07]} 5. f3 {[%emt 0:00:05]} O-O {[%emt 0:00:49]} 6. Bg5 {[%emt 0:00:03]} Nc6 {[%emt 0:01:27]} 7. d5 {[%emt 0:08:19]} Nb4 {[%emt 0:02:05]} 8. Nge2 {[%emt 0:04:57]} h6 {[%emt 0:05:35]} 9. Be3 {[%emt 0:00:23]} e6 {[%emt 0:02:22]} 10. Qd2 {[%emt 0:01:02]} exd5 {[%emt 0:02:50]} 11. cxd5 {[%emt 0:00:12]} Re8 {[%emt 0:01:43]} 12. O-O-O {[%emt 0:07:08]} c5 {[%emt 0:04:21]} 13. a3 {[%emt 0:06:21]} a5 {[%emt 0:10:44]} 14. Kb1 {[%emt 0:07:55]} Bd7 {[%emt 0:11:07]} 15. Bxh6 {[%emt 0:17:02]} Na6 {[%emt 0:18:29]} 16. Ng3 {[%emt 0:02:40]} b5 {[%emt 0:02:23]} 17. Nxb5 {[%emt 0:01:26]} Qb8 {[%emt 0:03:26]} 18. a4 {[%emt 0:00:55]} Nb4 {[%emt 0:01:24]} 19. Bxg7 {[%emt 0:03:37]} Kxg7 {[%emt 0:01:38]} 20. h4 {[%emt 0:00:00]} Re5 {[%emt 0:05:26]} 21. Bc4 {[%emt 0:09:35]} Bxb5 {[%emt 0:04:08]} 22. Bxb5 {[%emt 0:00:27]} Qh8 {[%emt 0:02:17]} 23. Nf1 {[%emt 0:06:12]} Rc8 {[%emt 0:01:18]} 24. b3 {[%emt 0:00:34]} Kf8 {[%emt 0:01:28]} 25. Ne3 {[%emt 0:00:26]} Nxe4 {[%emt 0:03:16]} 26. fxe4 {[%emt 0:00:10]} Rxe4 {[%emt 0:00:09]} 27. Nc4 {[%emt 0:05:50]} Rd4 {[%emt 0:01:15]} 28. Qb2 {[%emt 0:02:52]} Nxd5 {[%emt 0:00:51]} 29. Rxd4 {[%emt 0:02:11]} cxd4 {[%emt 0:00:15]} 30. Ka2 {[%emt 0:06:15]} Nc3+ {[%emt 0:01:56]} 31. Ka1 {[%emt 0:01:41]} d5 {[%emt 0:02:19]} 32. Nxa5 {[%emt 0:00:19]} g5 {[%emt 0:01:45]} 33. h5 {[%emt 0:00:52]} Qh7 {[%emt 0:00:11]} 34. Bc6 {[%emt 0:02:02]} Qe4 {[%emt 0:01:32]} 35. h6 {[%emt 0:00:47]} Ke7 {[%emt 0:02:25]} 36. Qd2 {[%emt 0:00:48]} d3 {[%emt 0:01:31]} 37. Qxc3 {[%emt 0:00:18]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.31"]
[White "Castagnet, Carlos"]
[Black "Meza, Anahi"]
[Result "0-1"]
[ECO "D70"]
[WhiteElo "1641"]
[BlackElo "1996"]
[Annotator "ChessBase"]
[PlyCount "86"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:21]} Nf6 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:20]} g6 {[%emt 0:00:12]} 3. Nf3 {[%emt 0:00:31]} Bg7 {[%emt 0:00:08]} 4. Nc3 {[%emt 0:00:24]} O-O {[%emt 0:00:05]} 5. Bf4 {[%emt 0:01:37]} d6 {[%emt 0:01:34]} 6. Qd2 {[%emt 0:00:49]} Re8 {[%emt 0:04:44]} 7. Bh6 {[%emt 0:04:43]} Bh8 {[%emt 0:00:27]} 8. e4 {[%emt 0:00:07]} c5 {[%emt 0:03:46]} 9. d5 {[%emt 0:10:23]} e6 {[%emt 0:01:25]} 10. Be2 {[%emt 0:00:21]} exd5 {[%emt 0:01:25]} 11. exd5 {[%emt 0:01:01]} Bf5 {[%emt 0:02:59]} 12. O-O {[%emt 0:00:42]} Nbd7 {[%emt 0:02:42]} 13. Rfe1 {[%emt 0:02:31]} Ng4 {[%emt 0:11:37]} 14. Bf4 {[%emt 0:03:32]} Nge5 {[%emt 0:00:20]} 15. Nb5 {[%emt 0:05:31]} Nxf3+ {[%emt 0:02:31]} 16. Bxf3 {[%emt 0:03:22]} Ne5 {[%emt 0:00:25]} 17. Be2 {[%emt 0:02:16]} Qb6 18. h3 {[%emt 0:00:48]} Rad8 {[%emt 0:05:44]} 19. g4 {[%emt 0:00:30]} Bc8 20. Kg2 f5 {[%emt 0:09:50]} 21. g5 {[%emt 0:11:42]} a6 {[%emt 0:00:25]} 22. Nc3 {[%emt 0:01:10]} Qb4 {[%emt 0:00:23]} 23. Bxe5 {[%emt 0:08:05]} Bxe5 {[%emt 0:03:29]} 24. f4 {[%emt 0:00:08]} Bg7 {[%emt 0:01:12]} 25. Bd3 {[%emt 0:00:29]} Bd7 {[%emt 0:01:02]} 26. Rac1 {[%emt 0:06:29]} b5 {[%emt 0:01:59]} 27. b3 {[%emt 0:00:03]} Rxe1 {[%emt 0:02:17]} 28. Qxe1 {[%emt 0:00:04]} Re8 {[%emt 0:00:20]} 29. Qd2 {[%emt 0:00:07]} Bd4 {[%emt 0:03:37]} 30. Nb1 {[%emt 0:01:00]} Qxd2+ {[%emt 0:01:12]} 31. Nxd2 {[%emt 0:00:03]} Be3 {[%emt 0:00:43]} 32. Rc2 {[%emt 0:03:03]} Bxf4 {[%emt 0:00:12]} 33. Nf3 {[%emt 0:01:49]} Kf7 {[%emt 0:06:13]} 34. Re2 {[%emt 0:01:35]} Rb8 {[%emt 0:02:06]} 35. h4 {[%emt 0:00:50]} bxc4 {[%emt 0:00:24]} 36. Bxc4 {[%emt 0:01:11]} Bb5 {[%emt 0:01:17]} 37. Rc2 {[%emt 0:05:34]} Re8 {[%emt 0:01:04]} 38. a4 {[%emt 0:03:06]} Bxc4 {[%emt 0:00:08]} 39. Rxc4 {[%emt 0:00:02]} Re2+ {[%emt 0:02:06]} 40. Kf1 {[%emt 0:00:46]} Re4 {[%emt 0:00:05]} 41. Kg2 {[%emt 0:01:14]} Be5 {[%emt 0:03:52]} 42. Rxe4 {[%emt 0:00:04]} fxe4 {[%emt 0:00:07]} 43. Nxe5+ {[%emt 0:00:02]} dxe5 {[%emt 0:00:02]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.32"]
[White "Moccero, Eduardo"]
[Black "Amaral, Francisco"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1919"]
[BlackElo "1672"]
[Annotator "NA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:32]} 2. Nf3 {[%emt 0:00:08]} d5 {[%emt 0:00:11]} 3. e3 {[%emt 0:00:06]} c5 {[%emt 0:00:30]} 4. c3 {[%emt 0:00:26]} Nbd7 {[%emt 0:00:48]} 5. Bd3 {[%emt 0:00:50]} Qc7 {[%emt 0:00:15]} 6. Nbd2 {[%emt 0:00:36]} e5 {[%emt 0:00:16]} 7. dxe5 {[%emt 0:00:24]} Nxe5 {[%emt 0:00:10]} 8. Nxe5 {[%emt 0:00:19]} Qxe5 {[%emt 0:00:15]} 9. Nf3 {[%emt 0:00:52]} Qc7 {[%emt 0:00:22]} 10. Bb5+ {[%emt 0:00:59]} Bd7 {[%emt 0:00:37]} 11. Bxd7+ {[%emt 0:02:12]} Qxd7 {[%emt 0:00:12]} 12. O-O {[%emt 0:00:07]} Bd6 {[%emt 0:01:37]} 13. b3 {[%emt 0:01:51]} O-O {[%emt 0:02:17]} 14. Bb2 {[%emt 0:00:17]} c4 {[%emt 0:01:02]} 15. Qe2 {[%emt 0:03:28]} Rac8 {[%emt 0:02:34]} 16. Rfd1 {[%emt 0:01:56]} Qc7 {[%emt 0:01:43]} 17. h3 {[%emt 0:01:25]} Rfd8 {[%emt 0:00:34]} 18. Nd4 {[%emt 0:03:24]} a6 {[%emt 0:00:18]} 19. Nf5 {[%emt 0:10:03]} Bf8 {[%emt 0:02:34]} 20. Qf3 {[%emt 0:04:16]} g6 {[%emt 0:04:34]} 21. Ng3 {[%emt 0:03:16]} Bg7 {[%emt 0:00:15]} 22. e4 {[%emt 0:03:42]} Nxe4 {[%emt 0:23:01]} 23. Nxe4 {[%emt 0:00:22]} dxe4 {[%emt 0:00:08]} 24. Qxe4 {[%emt 0:00:58]} Qb6 {[%emt 0:01:00]} 25. Rxd8+ {[%emt 0:02:01]} Rxd8 {[%emt 0:01:48]} 26. Qc2 {[%emt 0:08:19]} cxb3 {[%emt 0:05:15]} 27. axb3 Qd6 {[%emt 0:07:28]} 28. Re1 {[%emt 0:02:46]} h6 {[%emt 0:00:59]} 29. c4 {[%emt 0:05:12]} Bd4 {[%emt 0:09:07]} 30. Bxd4 {[%emt 0:02:52]} Qxd4 {[%emt 0:00:10]} 31. Re7 {[%emt 0:03:32]} Qf4 {[%emt 0:03:50]} 32. Re3 {[%emt 0:05:30]} Qd6 {[%emt 0:01:46]} 33. Qc3 {[%emt 0:03:02]} b6 {[%emt 0:02:59]} 34. h4 {[%emt 0:06:15]} h5 {[%emt 0:02:43]} 35. g3 {[%emt 0:00:17]} Qd4 {[%emt 0:01:38]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.33"]
[White "Manteiga, Franco"]
[Black "Martinez Alvarez, Mateo"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1915"]
[BlackElo "1093"]
[Annotator "NA"]
[PlyCount "85"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 c6 2. c4 d5 3. cxd5 cxd5 4. Bf4 Nf6 5. Nc3 e6 6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 {[%emt 0:03:05]} Nc6 {[%emt 0:10:53]} 9. f4 {[%emt 0:00:06]} a6 {[%emt 0:01:33]} 10. Nf3 {[%emt 0:01:58]} b5 {[%emt 0:01:29]} 11. O-O {[%emt 0:02:41]} O-O {[%emt 0:01:07]} 12. Ne5 {[%emt 0:01:50]} Bb7 {[%emt 0:01:31]} 13. Rf3 {[%emt 0:02:00]} Ne7 {[%emt 0:01:35]} 14. Rh3 {[%emt 0:03:40]} h6 {[%emt 0:18:02]} 15. g4 {[%emt 0:01:05]} Ne4 {[%emt 0:00:10]} 16. g5 {[%emt 0:19:48]} Nf5 {[%emt 0:00:24]} 17. Qg4 {[%emt 0:14:49]} Kh7 {[%emt 0:04:46]} 18. Nxf7 {[%emt 0:07:14]} Rxf7 {[%emt 0:00:09]} 19. g6+ {[%emt 0:00:07]} Kg8 {[%emt 0:00:11]} 20. gxf7+ {[%emt 0:00:04]} Kxf7 {[%emt 0:00:18]} 21. Qe2 {[%emt 0:08:25]} Rg8 {[%emt 0:01:38]} 22. Kh1 {[%emt 0:02:41]} g5 {[%emt 0:00:38]} 23. Qh5+ {[%emt 0:11:04]} Ke7 {[%emt 0:01:33]} 24. Bxe4 {[%emt 0:00:37]} dxe4 {[%emt 0:04:58]} 25. Rg1 {[%emt 0:08:31]} e5 {[%emt 0:14:38]} 26. fxe5 {[%emt 0:03:38]} Qe6 {[%emt 0:14:40]} 27. Ne2 {[%emt 0:01:39]} Rg7 {[%emt 0:04:25]} 28. Rc1 {[%emt 0:03:59]} Kd8 {[%emt 0:01:48]} 29. Ng3 {[%emt 0:01:03]} Nh4 {[%emt 0:11:09]} 30. Rxh4 {[%emt 0:00:36]} gxh4 {[%emt 0:00:08]} 31. Qxh4+ {[%emt 0:00:10]} Kd7 {[%emt 0:00:54]} 32. Qf6 {[%emt 0:00:45]} Rf7 {[%emt 0:01:33]} 33. Qxe6+ {[%emt 0:00:25]} Kxe6 34. Rf1 Rxf1+ 35. Nxf1 b4 {[%emt 0:04:29]} 36. Kg2 {[%emt 0:01:25]} Bd5 {[%emt 0:00:42]} 37. a3 {[%emt 0:01:37]} bxa3 {[%emt 0:01:20]} 38. bxa3 {[%emt 0:00:04]} Kd7 39. Nd2 Kc6 40. Nb1 a5 41. Nc3 Bf7 42. Kg3 Bg6 43. Kf4 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.34"]
[White "Balseca Moreno, Diego"]
[Black "Palacio, Enzo"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "2269"]
[BlackElo "1896"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,96,0,-10,68,29,71,-76,-76,-89,-66,-243,-271,-276,-270,-346,-351,-747,-457,-447,-387,-388,-412,-621,-537,-517,-542,-493,-489,-518,-202,-187,-185,-193,-202,-199,-197,-179,-120,-218,-201,-233,-210,-235,-211,-269,-269,-308,-306,-305,-304,-460,-325,-304,-310,-279,-287,-457,-418,-428,-439,-563,-562,-29982,-29983,-29981,-29977,-29982,-29983,-29983,-29984,-29984,-29984]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} b5 11. Bxf6 Nxf6 12. g5 Nd7 13. h4 b4 14. Nce2 {[#]} a5 $146 {B99: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7 8 Qf3 Qc7 9 0-0-0 Nbd7.} ({Better is} 14... Bb7 $11) ({Predecessor:} 14... Bb7 15. Ng3 g6 16. h5 O-O-O 17. Bh3 Kb8 18. Bxe6 fxe6 19. Nxe6 Qc4 20. Nxd8 Rxd8 21. hxg6 hxg6 22. Rh7 Re8 23. Qb3 Qxb3 24. axb3 {½-½ (45) Pruijssers,R (2557)-Van Wely,L (2610) Amstelveen 2019}) 15. Kb1 (15. f5 $5 {[%cal Rf5e6]} e5 16. Nb5 $14) 15... a4 (15... O-O $11 {feels stronger.}) 16. Nc1 (16. f5 $16 Ne5 17. Qg3) 16... a3 {Black is better.} 17. Nb5 Qb6 {And now ...axb2 would win.} 18. Qd3 $2 (18. bxa3 $15 bxa3 19. Rh3) 18... axb2 $19 19. Kxb2 {[%cal Rb5d6]} O-O {Hoping for ...Nc5.} ({And not} 19... Nc5 20. Nxd6+ Kf8 21. Qb5 Na4+ 22. Ka1 Qxb5 23. Bxb5 $11) 20. Nxd6 Nc5 21. Qb5 (21. Qd4 Bb7 22. Nxb7 Qxb7 23. Bc4) 21... Na4+ 22. Ka1 Qe3 {( -> ...Qc3+)} 23. Rh3 Qxf4 {Really sharp!} 24. Qxb4 {[#]} (24. Ne2 $142 Qf2 25. Qd3) 24... Ba6 $1 25. Bxa6 Rxa6 26. Rhd3 Qe5+ 27. c3 Nxc3 28. Qxc3 Bxd6 29. Qxe5 Bxe5+ 30. Kb1 Ra4 31. Re1 Rb8+ ({Black should try} 31... Rfa8 $19 32. Rb3 g6) 32. Nb3 (32. Rb3 $17) 32... Kf8 33. Rf3 Rbb4 34. Ref1 f6 ({Inferior is} 34... Rxe4 35. Rxf7+ Ke8 36. Rf8+ Ke7 37. R8f7+ Kd8 38. Rf8+ Ke7 39. R8f7+ Kd8 40. Rf8+ Ke7 $11) 35. Rd3 Rxe4 36. Rd8+ Ke7 37. Rfd1 {[%csl Gd8][%cal Rd1d7]} Ra7 {Inhibits R1d7+.} 38. R1d3 (38. gxf6+ $142 Bxf6 39. h5) 38... Re1+ 39. Rd1 Rxd1+ 40. Rxd1 {[%mdl 4096] Endgame KRB-KRN} Ra4 41. Nc5 (41. gxf6+ {was worth a try.} gxf6 42. h5) 41... Rb4+ 42. Nb3 Rxh4 43. a4 Rxa4 44. Rd7+ Kxd7 {Black mates.} 45. Nc5+ Ke7 46. gxf6+ gxf6 47. Nxa4 Bd4 48. Kc2 e5 {Weighted Error Value: White=0.92/Black=0.41} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.35"]
[White "Lavandeira, Juan Facundo"]
[Black "Urrestarazu, Diego"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1520"]
[BlackElo "1833"]
[Annotator "NA"]
[PlyCount "18"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:01]} e5 {[%emt 0:00:27]} 2. g3 {[%emt 0:00:34]} Nf6 {[%emt 0:00:41]} 3. Bg2 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 4. e3 {[%emt 0:01:50]} d5 {[%emt 0:03:45]} 5. cxd5 {[%emt 0:10:03]} cxd5 {[%emt 0:04:50]} 6. Nc3 {[%emt 0:01:20]} Nc6 {[%emt 0:00:30]} 7. d4 {[%emt 0:00:30]} e4 {[%emt 0:03:55]} 8. a3 {[%emt 0:02:34]} Be7 {[%emt 0:08:34]} 9. f3 {[%emt 0:06:35]} Bf5 {[%emt 0:18:57]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.14"]
[Round "4.36"]
[White "Dominguez, Sebastian"]
[Black "Popov, Mark"]
[Result "0-1"]
[ECO "D01"]
[BlackElo "1758"]
[Annotator "NA"]
[PlyCount "72"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 {[%emt 0:00:20]} 2. Nc3 {[%emt 0:03:35]} d5 {[%emt 0:00:39]} 3. Bg5 {[%emt 0:00:13]} Bf5 {[%emt 0:00:50]} 4. f3 {[%emt 0:00:40]} Nbd7 {[%emt 0:02:14]} 5. Qd2 {[%emt 0:03:19]} c6 {[%emt 0:00:52]} 6. O-O-O {[%emt 0:01:47]} e6 {[%emt 0:03:10]} 7. e4 {[%emt 0:04:14]} dxe4 {[%emt 0:00:19]} 8. fxe4 {[%emt 0:00:13]} Bxe4 {[%emt 0:00:52]} 9. Nxe4 {[%emt 0:00:10]} Nxe4 {[%emt 0:00:12]} 10. Bxd8 {[%emt 0:01:17]} Nxd2 {[%emt 0:00:03]} 11. Rxd2 {[%emt 0:00:19]} Rxd8 {[%emt 0:00:18]} 12. Nf3 {[%emt 0:00:41]} g6 {[%emt 0:00:22]} 13. h4 {[%emt 0:06:30]} Nf6 {[%emt 0:06:58]} 14. Kb1 {[%emt 0:04:14]} Ne4 15. c3 {[%emt 0:07:41]} Nxd2+ {[%emt 0:01:37]} 16. Nxd2 {[%emt 0:00:26]} Bg7 {[%emt 0:02:14]} 17. Nf3 {[%emt 0:00:20]} O-O {[%emt 0:05:37]} 18. h5 {[%emt 0:00:13]} Rd5 19. g4 {[%emt 0:04:44]} b5 {[%emt 0:04:58]} 20. Bg2 {[%emt 0:04:45]} Rd6 {[%emt 0:01:37]} 21. Ng5 b4 {[%emt 0:05:15]} 22. Ne4 {[%emt 0:01:36]} Rdd8 {[%emt 0:00:28]} 23. Nc5 {[%emt 0:00:27]} bxc3 {[%emt 0:00:31]} 24. bxc3 {[%emt 0:03:37]} e5 {[%emt 0:02:55]} 25. h6 {[%emt 0:02:53]} Bh8 {[%emt 0:00:35]} 26. Rd1 {[%emt 0:00:24]} exd4 27. cxd4 {[%emt 0:00:15]} Rxd4 {[%emt 0:01:56]} 28. Rxd4 {[%emt 0:00:43]} Bxd4 29. Nd7 Rc8 {[%emt 0:01:35]} 30. g5 {[%emt 0:02:01]} Rc7 {[%emt 0:00:41]} 31. Nf6+ {[%emt 0:00:50]} Bxf6 {[%emt 0:00:08]} 32. gxf6 {[%emt 0:00:11]} c5 {[%emt 0:00:09]} 33. Kc2 {[%emt 0:00:49]} Rd7 {[%emt 0:00:20]} 34. Kc3 {[%emt 0:00:44]} Rd4 {[%emt 0:00:31]} 35. Bf1 {[%emt 0:00:49]} Rf4 {[%emt 0:00:55]} 36. Bd3 {[%emt 0:08:46]} g5 {[%emt 0:00:42]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.1"]
[White "Hungaski, Robert"]
[Black "Morovic Fernandez, Ivan"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2537"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,109,27,27,34,31,31,50,0,0,0,0,0,0,0,0,0,16,0,46,37,81,79,83,79,88,70,193,182,194,186,285,283,256,262,235,235,443,457,451,451,450,447,459,452,936,950,708,677,1020,1092,1001,890,748,556,516,441,627,631,593,535,1119,1104,1415,1383,1422,1411,1224,1152,1256,633,642,622,845,817,976,1006,1154,1170,1146,1139,1040,974,2040,1574]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Neg5 O-O-O 11. Nxe6 fxe6 12. Rxe6 Bd6 13. Bg5 Rde8 14. Qe2 Kd7 15. Rxe8 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4.} Rxe8 16. Qd3 {[%csl LRd4,LRh7]} h6 17. Bh4 (17. Bd2 $14 Qd5 18. Qg6) 17... g5 $11 18. Bg3 g4 19. Nd2 {[%cal Bf3d2,Bd2e4,Be4c3,Bc3e2,Be2f4,Bf4d5][%mdl 32] [#]} h5 $146 ({Predecessor:} 19... Bxg3 20. hxg3 Re6 21. Ne4 Kc8 22. a3 Qd5 23. Nd2 Ne7 24. b4 b6 25. Nb3 Nf5 {0-1 (61) Strand,K (2011)-Gruzmann,B (2222) Bucharest 2019}) 20. Ne4 {Strongly threatening Nf6+.} Qf5 {To avoid Nf6+} 21. Re1 Re6 22. Re2 Bxg3 (22... Be7 $11) 23. hxg3 $14 {[%cal Ob2b4]} Qd5 {[#]} (23... a5 $14) 24. Nc3 $1 $16 Qg5 (24... Qa5 25. Rxe6) 25. Rxe6 Kxe6 26. Ne2 Qf5 {[#] A mistake that costs the game.} (26... Qe5 $1 $14) 27. Qxd4 $3 $18 {[%mdl 512]} Qxc2 (27... Nxd4 28. Nxd4+ Kf6 29. Nxf5 Kxf5 30. Kf1 $16) 28. Nf4+ Ke7 (28... Kf7 $142 29. Qd5+ (29. Qd7+ Ne7 $16) 29... Kf8 30. Qxh5 Qxb2 31. Qh6+ (31. Qxg4 Qb1+ 32. Kh2 Qh7+ 33. Nh5 Ke7 $16) 31... Ke8) 29. Qg7+ Kd6 30. Qh6+ Kc5 31. Qxh5+ Kb6 $2 (31... Kd6 32. Qd5+ Ke7 33. Qe6+ Kd8 34. Qg8+ (34. Qxg4 Qxb2 35. Qg8+ Kd7 $16) 34... Ke7 35. Qxg4 Kd6) 32. Nd5+ {White is clearly winning.} Ka6 33. Nxc7+ Kb6 34. Nd5+ Ka6 35. Qxg4 Qxb2 (35... Ne5 $142 36. Qe6+ Ka5) 36. Qc4+ Ka5 37. g4 Qa1+ 38. Kh2 {White wants to mate with Qc5+.} Qh8+ 39. Kg3 {Hoping for Qc5+.} Qe5+ 40. Nf4 Kb6 41. Qb3+ Ka6 (41... Kc7 $142 42. Qf7+ Kb6) 42. Qe6 {Qxe5 is the strong threat.} Qc5 43. f3 Qc3 44. g5 b6 45. Nd5 Qc1 46. Qe3 Qc4 47. Qa3+ Kb7 48. Nf4 Qb5 49. Kh4 Qf5 50. Qe3 Qh7+ 51. Kg4 Qd7+ 52. Qe6 Qd4 53. Qd5 {Black must now prevent Qxd4.} Qc3 54. g6 {Threatens to win with Qd7+.} Kc8 {Prevents Qd7+.} 55. Kg5 {Weighted Error Value: White=0.18 (very precise) /Black=0.38} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.2"]
[White "Perdomo, Leandro"]
[Black "Lima, Darcy"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2447"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,114,-8,-12,-8,-9,-20,0,-9,-10,-16,-20,-10,15,15,75,75,75,75,75,75,75,78,113,116,111,79,159,159,159,132,132,132,132,132,159,159,192,114,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,192,124,124,124,124,124,124,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-28000,-28000,-28000,-28000,-28000]} 1. d4 {Hecht,H} Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 d5 6. Nf3 dxc4 7. O-O Nc6 8. Bg5 h6 9. Bxf6 Qxf6 10. Rc1 {E20: Nimzo-Indian: 4 g3 and 4 f3.} Rd8 11. e3 {[#] is the legacy move (11.Ne4).} Bxc3 $146 ({Predecessor:} 11... Qe7 12. Qe2 Na5 13. Ne5 Bd7 14. Nxc4 Bxc3 15. Rxc3 Bb5 16. b3 c5 17. Qh5 Bxc4 18. bxc4 cxd4 19. exd4 {½-½ (75) Moiseenko,A (2575)-Bologan,V (2652) Ekaterinburg 2002 CBM 090 [Hecht,H]}) 12. Rxc3 {The position is equal.} e5 13. Nxe5 Nxe5 14. dxe5 Rxd1 (14... Qe7 $5 {[%cal Rd8d1]} 15. Qe2 Qxe5 $11) 15. exf6 Rxf1+ (15... Rd2 $11) 16. Kxf1 $11 {[%mdl 4096] Endgame KRB-KRB} Be6 17. Bxb7 Rb8 18. Ba6 {White is more active.} Rxb2 19. Bxc4 Bh3+ 20. Ke1 gxf6 21. Bb3 Rb1+ (21... Be6 $142) 22. Ke2 $16 Be6 23. Rxc7 {[#] And now Bxe6 would win.} Bxb3 24. axb3 Rxb3 25. Rxa7 {KR-KR} Rb2+ 26. Kf3 Kg7 {[#]} 27. g4 ({White should play} 27. Ra5 $1 $18) 27... Rc2 (27... Rb5 $16 28. Kf4 Rb2) 28. h4 $18 Rb2 29. Rd7 Ra2 30. Kg3 Re2 31. Rd3 Ra2 32. f3 Ra4 33. e4 Ra5 34. Kf4 Rb5 35. Rd5 Rb3 36. Rf5 Ra3 37. Kg3 Ra2 38. e5 (38. Rd5 $18) 38... fxe5 $16 39. Rxe5 Ra4 40. Rd5 Rb4 41. g5 ({White should try} 41. h5 $16) 41... hxg5 $11 42. Rxg5+ Kh6 43. Rg4 Rb3 44. Rf4 Kg6 45. Kg4 Rb5 46. Ra4 Rc5 47. Ra6+ f6 48. Kg3 Rb5 49. Ra8 Rc5 50. Rg8+ Kf7 51. Rg4 Ra5 52. Rc4 Kg6 53. Rc6 Rb5 54. Kg4 Ra5 55. h5+ $2 {[%mdl 8192]} (55. Rc1 $11) 55... Rxh5 56. Rxf6+ Kxf6 57. Kxh5 Kf5 {[%mdl 32768] Quite a comeback for Black.  Weighted Error Value: White=0.09 (flawless) /Black=0.11 (very precise) . An unexpected result.} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.3"]
[White "Delgado Ramirez, Neuris"]
[Black "Michailov, Matias"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2615"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,75,20,17,37,32,32,32,33,36,64,31,31,26,51,47,56,28,46,33,42,23,32,35,49,9,22,0,22,7,19,0,0,0,0,0,21,7,7,9,8,9,21,20,21,18,27,0,0,0,35,35,104,90,112,64,100,0,107,65,343,380,658,637]} 1. e4 e6 2. d4 d5 3. Nd2 {[%cal Bb1d2,Bd2b3,Bb3d4][%mdl 32]} Nf6 4. e5 Nfd7 {[%cal Bf6d7,Bd7c5,Bc5a4][%mdl 32]} 5. f4 c5 6. Ngf3 Nc6 7. Nb3 cxd4 8. Nbxd4 Nc5 {C05: French Tarrasch: 3...Nf6 4 e5 Nfd7, 5 f4 and 5 Bd3 sidelines.} 9. Be3 Be7 10. Be2 O-O {White is slightly better.} 11. O-O {[#]} a6 $146 ({Predecessor:} 11... Ne4 12. c3 Bd7 13. Bd3 f5 14. exf6 Nxf6 15. Ne5 Bd6 16. Nxd7 Qxd7 17. Qf3 Rae8 {½-½ (58) Jelecevic,I (2127)-Pestek,E (2012) Bosnjaci 2022}) 12. Rc1 Na4 13. Rb1 Na5 14. c3 Bd7 15. Bd3 Nc4 16. Bc1 {Threatens to win with Qc2.} Nc5 17. Bc2 f5 $1 18. exf6 Bxf6 19. Qe1 Nd6 20. Be3 {[%cal Od4c6]} Rc8 21. Rd1 b5 22. Ng5 Bxg5 23. fxg5 Rxf1+ 24. Qxf1 Nce4 25. Qf4 Qe7 {[#] White must now prevent ...e5.} 26. Bxe4 Nxe4 27. Nf3 b4 28. cxb4 Qxb4 29. Bd4 Qd6 30. Ne5 {[#] White threatens Qf7+ and mate.} Rf8 {Inhibits Qf7+.} 31. Qe3 Bb5 32. Rc1 Qe7 (32... Rf5 $14) 33. h4 $16 Qb7 34. Qh3 ({White should try} 34. Ng4 $16) 34... Qe7 35. Qe3 Qb7 $1 36. h5 (36. Ng4 $16) 36... Qe7 $2 {[%mdl 8192]} (36... Rc8 $1 $14) 37. g6 $18 {[%cal Bg5g6,Bg6h7][%mdl 32] Hoping for gxh7+.} Qh4 $2 (37... Qg5 38. Qxg5 Nxg5) 38. gxh7+ {Weighted Error Value: White=0.13 (very precise) /Black=0.31} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.4"]
[White "Coro, Lucas"]
[Black "Roselli Mailhe, Bernardo"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "2355"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,69,34,39,20,32,41,73,73,78,76,69,62,70,72,69,42,73,71,104,59,68,55,89,90,85,87,90,100,123,99,162,156,170,170,168,155,159,139,240,241,228,242,320,241,330,325,308,326,349,369,348,360,930,770]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Nge7 6. c3 Ng6 7. d4 Bd7 8. Be3 Be7 9. Nbd2 O-O 10. Rc1 {[#] C75: Ruy Lopez: Deferred Steinitz: 5 c3 Bd7 6 d4 without ...g6.} b5 $146 ({Predecessor:} 10... Re8 11. d5 Nb8 12. c4 c6 13. b4 b5 14. Bc2 cxd5 15. exd5 a5 16. c5 Na6 17. c6 Bc8 {1-0 (34) Paravyan,D (2627)-Afanasiev,N (2508) Moscow 2019}) 11. Bc2 f5 12. exf5 {White is better.} Bxf5 13. d5 {[#] Hoping for Bxf5.} Bxc2 14. Rxc2 Nb8 15. c4 Nd7 16. b3 h6 {[#]} 17. Ne4 $1 Nf4 18. Bxf4 (18. cxb5 $16 axb5 19. g3) 18... Rxf4 $14 19. Nfd2 Qb8 {White now steadily converts the win.} 20. g3 Rf7 21. Qg4 Nb6 22. Qe6 {White is much more active. Black has bad knights.} Qc8 23. cxb5 axb5 (23... Qb7 $16 {was necessary.}) 24. Rfc1 $36 {[%mdl 2048] White has strong initiative.} Qxe6 25. dxe6 Rff8 26. Rxc7 Nd5 27. Rb7 Rxa2 (27... Rfb8 $16 28. Rxb8+ Rxb8) 28. Rxb5 Nf6 29. Rc7 Re8 30. Rbb7 Nd5 31. Rd7 {Strongly threatening Nc4.} Bf8 32. Nc4 Rxe6 33. Rd8 {And now Rbb8 would win.} ({Not} 33. Ncxd6 Re7 34. Nf5 Rxd7 35. Rxd7 Ra5 $18) (33. Nexd6 Kh7 $16) 33... Nf6 34. Nexd6 Ng4 $2 (34... e4 35. b4 Ra1+ 36. Kg2 Ra2) 35. Rf7 {Weighted Error Value: White=0.06 (flawless) /Black=0.26 (precise)} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.5"]
[White "Carbone, Diego"]
[Black "Tristan, Leonardo"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2272"]
[BlackElo "2561"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,133,23,35,37,40,26,41,0,-14,-8,-9,-14,22,37,37,41,61,31,78,44,40,21,25,20,21,20,18,16,34,12,24,15,22,22,110,106,107,113,145,141,143,127,122,0,0,0,0,0,0,0,0,0,0,0,0,0,80,101,246,210,191,211,255,218,238,44,37,39,47,57,109,0,0,0,11,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29969,-29970,-29969,-29970,-29966,-29968,-29968,-29969,-29968,-29969,-4132,29978,29978,29979,29981,29987,29988,29988,29989,29989,29990,29990,29991]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 {[%cal Bg1f3,Bf3d2,Bd2c4][%mdl 32]} Bd6 5. Nc3 h6 6. Bg2 {E01: Catalan: Early deviations.} O-O 7. O-O Nc6 8. e3 (8. b3 $14) 8... dxc4 $11 9. Nd2 e5 {[#]} 10. Nxc4 $146 ({Predecessor:} 10. d5 Na5 11. Qe2 Bg4 12. f3 Bd7 13. Nxc4 Nxc4 14. Qxc4 c6 15. Rd1 cxd5 16. Nxd5 {0-1 (40) Checa,N (2552)-Nihal,S (2620) Chess.com INT 2021}) 10... Bg4 11. Qb3 Rb8 12. d5 Ne7 {[%cal Ob7b5]} 13. a4 Qd7 (13... c6 $14) 14. Nxd6 cxd6 15. f3 Bh3 {[%cal Oe5e4]} 16. e4 Bxg2 17. Kxg2 Nh7 18. Qb5 Qd8 19. a5 a6 20. Qb4 f5 21. Be3 f4 (21... fxe4 $11 {keeps the balance.} 22. fxe4 Rxf1 23. Rxf1 Qd7) 22. Bb6 $1 $16 Qd7 23. Qa4 Qc8 24. Rac1 Ng5 {Strongly threatening ...fxg3.} 25. g4 {Active counter play!} Ng6 26. Ne2 (26. Nb1 $1 $16 Nh4+ 27. Kf2) 26... Nh4+ $11 {Pair of Knights!} 27. Kh1 Qe8 28. Qxe8 Rbxe8 29. Ng1 Rc8 {aiming for ...Rxc1.} 30. Bc7 $1 $36 {[%mdl 2048] White has some pressure.} Rf6 31. Rc3 Kf7 32. Rfc1 h5 (32... Kg6 $11 {remains equal.}) 33. gxh5 $16 {Bb6 is the strong threat.} Rh8 (33... Rh6 $16) 34. R1c2 Rxh5 35. Bd8 Rg6 36. Rc8 Rgh6 37. R2c7+ $2 (37. R8c7+ $18 Kg8 38. Bxg5 Rxg5 39. Rxb7) 37... Kg6 $14 38. Bxg5 Rxg5 39. Rc2 Kh7 (39... Rxg1+ $1 $14 40. Kxg1 Nxf3+ 41. Kh1 Ng5) 40. Rf2 (40. Rb8 $1 $16) 40... Rhg6 $11 {[%csl Gg6][%cal Rg5g1]} 41. Nh3 Rh5 42. Rc7 Rgh6 43. Ng1 Rg6 44. Nh3 Rgh6 45. Ng1 Rg6 46. Nh3 Rgh6 47. Rxb7 {Hoping for Rb6.} ({But not} 47. Ng1 Rg6 $16) 47... Nxf3 $1 48. Rxf3 Rxh3 49. Rxh3 Rxh3 {[%mdl 4096] Endgame KR-KR} 50. Rb6 Re3 51. Rxa6 ({Don't take} 51. Rxd6 Rxe4 52. Rxa6 Rd4 $14) 51... Rxe4 52. Rxd6 {Threatens to win with a6.} f3 {[%cal Re4e1]} 53. Kg1 Re2 54. a6 e4 55. Re6 (55. a7 e3 56. h3 f2+ 57. Kg2 Re1 58. Kf3 f1=Q+ 59. Ke4 Ra1 60. Re6 e2 61. Kd4 Ra4+ 62. b4 Qf4+ 63. Re4 e1=Q 64. Rxf4 Qxb4+ 65. Ke3 Ra3+ 66. Kf2 Qxf4+ 67. Kg2 Qd2+ 68. Kh1 Ra1#) 55... e3 $1 {( -> ...Re1#)} 56. Rxe3 $2 {[%mdl 8192]} Rxe3 {KR-KP} 57. d6 Re8 $1 58. d7 Rd8 59. a7 Kg6 60. b4 Kf5 $1 61. b5 Kf4 $4 {[%mdl 8192] [#]} (61... Ke6 $2 62. b6 Kxd7 63. b7 $18) (61... Ke4 $19 62. Kf2 Kd5 63. Kxf3 Kd6) 62. Kf2 $1 {White mates.} Rh8 63. h3 g5 64. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} g4 65. b7 g3+ 66. Kg1 f2+ {[#]} 67. Kg2 $1 {What a fight!  Weighted Error Value: White=0.26 (precise) /Black=0.15 (very precise)} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.6"]
[White "Perez Ponsa, Federico"]
[Black "Larrea, Manuel"]
[Result "*"]
[ECO "A00"]
[WhiteElo "2553"]
[BlackElo "2226"]
[Annotator "ChessBase"]
[PlyCount "1"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nc3 *

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.7"]
[White "Santiago, Yago De Moura"]
[Black "Fernandez, Maria Florencia"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2494"]
[BlackElo "2200"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,63,70,79,60,56,54,68,43,98,56,55,58,71,54,91,83,120,34,52,35,19,42,70,80,114,105,112,107,119,120,123,120,145,147,146,163,389,344,428,429,698,590,986,955,910,643]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 c5 7. dxc5 dxc5 8. e5 Nd5 9. Nxd5 Qxd5 10. Qe2 Nc6 {10...Bf5 is vanishing.} 11. c3 {B09: Pirc Defence: Austrian Attack.} (11. Be4 {feels hotter.} Qd7 12. Be3 b6 13. h4 Rd8 14. h5) 11... Bf5 12. Bxf5 gxf5 13. O-O {[#] White is slightly better.} Qe6 $146 ({Better is} 13... Rad8 $14) ({Predecessor:} 13... Rad8 14. Be3 b6 15. Rfd1 Qe6 16. Ng5 Qg6 17. h4 e6 18. h5 Qh6 19. Rd6 Ne7 {0-1 (40) Naroditsky,D (2628)-Dlugy,M (2518) Chess.com INT 2015}) 14. Be3 (14. Ng5 $16 Qg6 15. e6) 14... b6 $14 15. Ng5 Qg6 16. Rad1 h6 17. Nf3 {White is much more active. Black has bad knights.} Qe6 {[#]} 18. b3 (18. Nh4 $1 $16) 18... f6 {[%cal Rf6e5]} 19. Kh1 fxe5 20. fxe5 f4 (20... Nxe5 $2 21. Bf4 $18) 21. Bc1 {[%cal Be3c1,Bc1b2,Bb2c3][%mdl 32]} Rf5 {[%cal Rc6e5]} (21... Bxe5 $2 22. Rfe1 $18) 22. c4 Raf8 {[%cal Oc6d4] [#]} (22... Bxe5 $2 23. Rd5 $18) (22... Nxe5 $2 23. Bb2 $18) 23. Bb2 $1 {Inhibits Nd4.} Kh8 24. Bc3 Kg8 25. Rd5 R5f7 26. Rfd1 Rf5 27. Qe4 Qc8 $2 (27... Rh5 28. Rd7 Rc8) 28. Rd7 $18 {[%cal Bd5d7,Bd7e7,Be7a7][%mdl 32]} Nd4 29. Rxe7 {White is clearly winning.} Qd8 (29... Qa8 $142 30. Qd3 R8f7 31. Rxf7 Rxf7 32. Bxd4 cxd4 33. Qxd4 Kh8) 30. Rxa7 {Black must now prevent e6.} ({Not} 30. Bxd4 Qxe7 31. Bf2 Rxe5 32. Nxe5 Qxe5 33. Qxe5 Bxe5 $11) 30... Qe8 31. Bxd4 cxd4 32. Qxd4 {Weighted Error Value: White=0.21 (precise) /Black=0.47} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.8"]
[White "Miranda, Rafael"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "0-1"]
[ECO "C93"]
[WhiteElo "2264"]
[BlackElo "2439"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,132,29,39,25,26,17,19,-6,0,-29,10,0,0,0,0,-29,-33,-35,0,-47,-25,-110,-52,-44,-50,-47,-50,-50,-55,-56,-45,-42,-40,-51,0,-82,-49,-54,-36,-321,-176,-272,-284,-300,-296,-296,-299,-300,-308,-279,-252,-320,-323,-340,-294,-366,-359,-335,-257,-250,-249,-255,-186,-371,-339,-343,-331,-318,-264,-264,-233,-316,-284,-399,-403,-423,-255,-370,-312,-313,-270,-370,-218,-210,-120,-454,-456,-593,-537,-456,-435,-470,-456,-705,-698,-984,-751,-1525,-142,-143,-131,-1535,-1457,-1289,-1277,-1027,-1000,-12840,-12840,-29994,-29995]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 d6 8. c3 O-O 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. a3 Bb7 13. Ba2 {C93: Closed Ruy Lopez: Smyslov Variation.} Qd7 14. d5 Ne7 {[#]} 15. b3 $146 {The position is equal.} ({Predecessor:} 15. c4 c6 16. b3 Ng6 17. Nf1 a5 18. Ng3 Nf4 19. Nh2 g6 20. Qf3 Bg7 21. Bxf4 exf4 22. Qxf4 cxd5 23. cxd5 {½-½ (88) Erenburg,S (2582)-Stocek,J (2572) Germany 2007}) 15... Ng6 16. Nf1 Nf4 17. Bxf4 exf4 18. Bb1 g6 19. Qd2 Bg7 20. Ra2 Re7 21. Qd3 (21. Qxf4 $11 {feels stronger.} Rae8 22. c4) 21... a5 (21... c6 $5 {[%cal Rc6d5]} 22. c4 cxd5 23. cxd5 Rae8 $15) 22. a4 {[#]} (22. Rae2 $11) 22... bxa4 (22... Rae8 $1 $17 {[%cal Of6d5]} 23. Qd1 c6 24. dxc6 Bxc6 25. axb5 Bxe4) 23. Rxa4 $15 Rae8 24. Qd2 c6 {[%cal Rc6d5]} 25. c4 Nxe4 26. Bxe4 Rxe4 27. Rxe4 Rxe4 28. Qxa5 Bf6 (28... Re7 $15) 29. dxc6 (29. Qb4 $11 {remains equal.} c5 30. Qa3) 29... Bxc6 {A strong pair of Bishops.} 30. Ra2 Re8 31. Kh2 $2 {[%mdl 8192]} ({Better is} 31. Qd2 $15) 31... Rb8 (31... Bxf3 $142 32. gxf3 Re5) 32. N1d2 (32. Qe1 {was necessary.}) 32... Ra8 $19 33. Qxa8+ Bxa8 34. Rxa8+ Kg7 35. Ra5 Bc3 36. Rd5 Bb4 37. Kg1 Qa7 38. Kf1 f5 39. Ke2 Bc5 40. h4 Qe7+ 41. Kf1 Qf6 42. Ke2 Kf7 {Hoping for ...Qe7+.} 43. g3 $2 (43. h5 {was worth a try.}) 43... fxg3 44. fxg3 Qe6+ 45. Kd1 Kf6 46. Rd3 Qe8 47. Kc2 Qa8 {Strongly threatening ...Qa2+.} 48. Kd1 (48. Kb2 $142) 48... Qa1+ 49. Kc2 Ke7 50. Rd5 (50. Nh2 $142) 50... Ke6 51. Rd3 Kf6 52. Rd5 Qa2+ (52... Bb4 $142 {...Qc3+ is the strong threat.} 53. Rd3 Ba3) 53. Kd3 Qb2 (53... Bb4 $19 {White must now prevent ...Qa1.} 54. Rd4 Qa7) 54. Nd4 $2 {[%mdl 8192]} (54. h5 $17) 54... Bb4 {[%csl Gb4][%cal Rb2d2] [#]} 55. N2f3 Qb1+ 56. Ke2 Bc5 57. h5 Qe4+ 58. Kf2 (58. Kd1 $142 Qg4 59. Kc2 Qxh5 60. Nd2) 58... g5 {[%cal Bg6g5,Bg5g4][%mdl 32] And now ...g4 would win.} 59. Kf1 g4 60. Rxf5+ Kg7 $2 (60... Ke7 $19 {has better winning chances.} 61. Rf4 Qd3+ 62. Kg2 gxf3+ 63. Nxf3 Be3) 61. Rf4 $17 Qd3+ 62. Kg2 $2 {[%mdl 8192]} (62. Ke1 $17) 62... gxf3+ $19 63. Nxf3 Be3 64. Rg4+ Kh7 {( -> ...Qe2+)} 65. Nh2 Qe2+ 66. Kh1 Qf2 {Weighted Error Value: White=0.81/Black=0.42} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.9"]
[White "Valerga, Diego"]
[Black "Guerrero, Alvaro"]
[Result "1-0"]
[ECO "E13"]
[WhiteElo "2431"]
[BlackElo "2123"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,69,-23,-26,0,0,0,-25,0,0,0,0,26,0,13,0,37,33,78,83,90,87,98,99,88,87,90,99,101,89,84,77,77,77,73,59,73,81,104,104,106,104,104,104,118,112,304,183,791,718]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb4 5. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} h6 6. Bh4 Bb7 7. e3 g5 8. Bg3 Ne4 9. Qc2 Bxc3+ 10. bxc3 d6 11. Bd3 f5 12. d5 Qf6 {E13: Queen's Indian/Nimzo-Indian hybrid: 4 Nc3 Bb7 5 Bg5 h6 6 Bh4 Bb4.} (12... exd5 13. cxd5 Bxd5 14. Nd4 $14) 13. Bxe4 fxe4 14. Qxe4 ({Don't play} 14. Nd2 exd5 15. cxd5 Bxd5 $17) (14. Nd4 $5 {[%cal Rd4e6]} exd5 15. O-O-O $15) 14... Qxc3+ (14... Na6 $142) 15. Ke2 $11 {[%cal Og3e5] aiming for Be5!} Qb2+ 16. Nd2 Qf6 17. h4 {And now hxg5 would win.} g4 18. h5 $36 {[%mdl 2048] [#] White fights for an advantage.} Qf5 $146 ({Predecessor:} 18... Nd7 19. Bh4 Qf5 20. Qxf5 exf5 21. f4 Kf7 22. Nb3 Bc8 23. Rac1 Re8 24. Kd3 Re4 {0-1 (34) Tang,A (2513)-Nakamura,H (2781) Chess.com INT 2018}) 19. Rh4 Qxe4 (19... Nd7 $1 $14 {deserves consideration.}) 20. Nxe4 $16 Nd7 {[#]} 21. dxe6 $1 Bxe4 22. exd7+ Kxd7 23. Rxg4 Bxg2 24. Rg7+ Kc6 {[#]} 25. Bxd6 {[%mdl 512]} Rag8 26. Rxg8 {White is much more active.} Rxg8 {[%mdl 4096] Endgame KRB-KRB} 27. Bf4 Be4 28. a3 Rg4 29. Rd1 Rh4 30. Rg1 Bf5 31. Rg7 {[%csl Gf4][%cal Rg7c7]} Bd7 32. Rg6+ Kc5 33. Rxh6 {Black must now prevent Rh7.} Bg4+ $2 (33... Kxc4 $16 34. Kf3 (34. Bxc7 Rxh5 35. Rxh5 Bg4+ 36. f3 Bxh5 $16) 34... Be8) 34. Kd3 {Threatens to win with Bg5.} Bxh5 $2 (34... Rxh5 35. Rxh5+ Bxh5 36. Bxc7 Bf7) 35. Bg5 {Weighted Error Value: White=0.10 (very precise) /Black=0.20 (precise)} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.10"]
[White "Sanhueza, Cristian"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2242"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,21,29,31]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Bb3 d6 10. h3 Bd7 11. Re1 {[#]} {Predecessor:} Rac8 $146 {B35: Sicilian: Accelerated Dragon with 5 Nc3: main line.} 12. Nd5 Rfe8 13. Nxf6+ Bxf6 14. c3 Nxd4 15. cxd4 e6 16. Qf3 Bg7 17. Qg3 d5 18. e5 Ba4 19. h4 Bxb3 20. axb3 {1-0 (31) Nakamura,H (2736)-Svidler,P (2694) Chess.com INT 2021} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.11"]
[White "Muniz, Rafael"]
[Black "Vitoux, Colomban"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "2194"]
[BlackElo "2372"]
[Annotator "ChessBase"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:05:43]} Nf6 {[%emt 0:01:09]} 2. e5 {[%emt 0:00:04]} Ng8 {[%emt 0:00:12]} 3. Nf3 {[%emt 0:00:41]} d6 {[%emt 0:00:05]} 4. d4 {[%emt 0:01:15]} Bg4 {[%emt 0:00:07]} 5. Be2 {[%emt 0:01:27]} e6 {[%emt 0:00:06]} 6. O-O {[%emt 0:01:18]} Nc6 {[%emt 0:00:05]} 7. exd6 {[%emt 0:00:55]} Bxd6 {[%emt 0:00:11]} 8. Be3 {[%emt 0:02:50]} Nf6 {[%emt 0:00:08]} 9. c4 {[%emt 0:00:26]} O-O {[%emt 0:00:11]} 10. Nc3 {[%emt 0:01:05]} Qd7 {[%emt 0:07:10]} 11. h3 {[%emt 0:02:52]} Bh5 {[%emt 0:06:47]} 12. a3 {[%emt 0:04:27]} Rfd8 {[%emt 0:04:00]} 13. d5 {[%emt 0:07:09]} exd5 {[%emt 0:03:01]} 14. Nxd5 {[%emt 0:04:47]} Nxd5 {[%emt 0:03:36]} 15. Qxd5 {[%emt 0:01:41]} Bg6 {[%emt 0:01:19]} 16. Rfe1 {[%emt 0:07:39]} Qe8 {[%emt 0:03:45]} 17. Qg5 {[%emt 0:08:08]} h6 {[%emt 0:04:46]} 18. Qg4 {[%emt 0:06:23]} Ne5 {[%emt 0:04:29]} 19. Qh4 {[%emt 0:04:49]} Nxf3+ {[%emt 0:10:47]} 20. Bxf3 {[%emt 0:00:13]} Qe5 {[%emt 0:00:40]} 21. g3 {[%emt 0:00:31]} Qxb2 {[%emt 0:00:34]} 22. a4 {[%emt 0:05:27]} Be5 {[%emt 0:17:02]} 23. Rad1 {[%emt 0:01:54]} Bf6 {[%emt 0:06:01]} 24. Qf4 {[%emt 0:05:47]} c6 {[%emt 0:00:55]} 25. Rxd8+ {[%emt 0:03:21]} Rxd8 {[%emt 0:01:25]} 26. Bxa7 {[%emt 0:02:03]} Qb4 {[%emt 0:00:16]} 27. Re2 {[%emt 0:02:53]} Ra8 {[%emt 0:02:33]} 28. Qc7 {[%emt 0:04:36]} Kh7 {[%emt 0:04:47]} 29. a5 {[%emt 0:06:13]} Bd3 {[%emt 0:05:18]} 30. Re3 {[%emt 0:01:15]} Qb1+ {[%emt 0:05:09]} 31. Kh2 {[%emt 0:01:31]} Rxa7 {[%emt 0:03:09]} 32. Qb8 {[%emt 0:01:55]} Bd4 {[%emt 0:01:01]} 33. Re8 {[%emt 0:02:17]} g5 {[%emt 0:03:20]} 34. Qd8 {[%emt 0:01:54]} Qb2 {[%emt 0:00:37]} 35. Be2 {[%emt 0:01:45]} Bxe2 {[%emt 0:01:13]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.12"]
[White "Carvalho, Guillermo"]
[Black "Menna Barreto, Felipe Kubiaki"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2171"]
[BlackElo "2351"]
[Annotator "ChessBase"]
[PlyCount "94"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:11]} e6 {[%emt 0:00:13]} 2. d4 {[%emt 0:03:16]} Nf6 {[%emt 0:00:48]} 3. Nf3 {[%emt 0:00:30]} c5 {[%emt 0:00:25]} 4. e3 {[%emt 0:00:14]} a6 {[%emt 0:05:34]} 5. Nc3 {[%emt 0:01:55]} d5 {[%emt 0:01:11]} 6. a3 {[%emt 0:00:33]} Nc6 {[%emt 0:02:47]} 7. Bd3 {[%emt 0:00:21]} dxc4 {[%emt 0:01:06]} 8. Bxc4 {[%emt 0:00:08]} b5 {[%emt 0:00:29]} 9. Bd3 {[%emt 0:01:41]} Bb7 {[%emt 0:01:44]} 10. O-O {[%emt 0:01:20]} Rc8 {[%emt 0:18:28]} 11. Re1 {[%emt 0:35:58]} Be7 {[%emt 0:04:03]} 12. Ne4 {[%emt 0:02:21]} c4 {[%emt 0:11:49]} 13. Bc2 {[%emt 0:00:45]} Nxe4 {[%emt 0:00:38]} 14. Bxe4 {[%emt 0:00:12]} O-O {[%emt 0:00:11]} 15. Ne5 {[%emt 0:06:08]} Qc7 {[%emt 0:07:19]} 16. Nxc6 {[%emt 0:07:18]} Bxc6 {[%emt 0:00:19]} 17. Bxc6 {[%emt 0:00:47]} Qxc6 {[%emt 0:00:03]} 18. Bd2 {[%emt 0:00:39]} Rfd8 {[%emt 0:02:49]} 19. Ba5 {[%emt 0:01:32]} Rd7 {[%emt 0:02:02]} 20. Qf3 {[%emt 0:02:07]} Qxf3 {[%emt 0:06:53]} 21. gxf3 {[%emt 0:00:06]} Bd8 {[%emt 0:01:09]} 22. Bd2 {[%emt 0:05:00]} e5 {[%emt 0:03:29]} 23. Bc3 {[%emt 0:00:24]} exd4 {[%emt 0:00:19]} 24. Bxd4 {[%emt 0:00:34]} Bf6 {[%emt 0:00:23]} 25. Bxf6 {[%emt 0:03:40]} gxf6 {[%emt 0:00:14]} 26. Re2 {[%emt 0:00:21]} Rcd8 {[%emt 0:01:12]} 27. Kf1 {[%emt 0:00:29]} Rd1+ {[%emt 0:07:53]} 28. Rxd1 {[%emt 0:03:23]} Rxd1+ {[%emt 0:00:03]} 29. Kg2 Kf8 {[%emt 0:01:00]} 30. Kg3 {[%emt 0:04:11]} Ke7 {[%emt 0:00:50]} 31. Kf4 {[%emt 0:00:09]} Ke6 {[%emt 0:01:04]} 32. Rc2 {[%emt 0:00:20]} Rh1 {[%emt 0:02:54]} 33. a4 {[%emt 0:00:58]} Rxh2 {[%emt 0:00:33]} 34. axb5 {[%emt 0:00:08]} axb5 {[%emt 0:00:03]} 35. Ke4 {[%emt 0:00:41]} Rh5 {[%emt 0:01:06]} 36. f4 {[%emt 0:04:04]} Rc5 {[%emt 0:03:14]} 37. f5+ {[%emt 0:00:53]} Rxf5 {[%emt 0:00:41]} 38. f4 {[%emt 0:00:10]} Rc5 {[%emt 0:00:41]} 39. Rh2 {[%emt 0:02:52]} f5+ {[%emt 0:00:34]} 40. Kf3 {[%emt 0:01:07]} b4 {[%emt 0:00:38]} 41. Ke2 {[%emt 0:00:26]} c3 {[%emt 0:05:50]} 42. bxc3 {[%emt 0:00:19]} bxc3 {[%emt 0:00:02]} 43. Kd1 {[%emt 0:00:14]} c2+ {[%emt 0:00:06]} 44. Kc1 {[%emt 0:00:06]} Kd5 {[%emt 0:02:45]} 45. Rxh7 {[%emt 0:00:26]} Ke4 {[%emt 0:00:22]} 46. Rh1 {[%emt 0:06:01]} Kxe3 {[%emt 0:00:33]} 47. Re1+ {[%emt 0:00:31]} Kxf4 {[%emt 0:00:17]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.13"]
[White "Lujan, Carolina"]
[Black "Brizzi, Milagros Tatiana"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2334"]
[BlackElo "2063"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,57,30,27,-7,13,22,17,0,6,15,28,12,34,12,31,31,47,40,36,34,48,50,67,19,25,18,51,-3,-3,-3,0,-3,-3,-3,-3,-3,-3,-73,-70,-66,-3,-3,0,0,-10,-44,-39,-28]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 {6...Qa5+ injects fresh life into this line.} 7. Bg5 {B12: Caro-Kann: Advance Variation.} Be7 8. Nf3 Nh6 9. c4 {The position is equal.} Nf5 10. Nc3 Na6 {[#]} 11. a3 $146 {To avoid Nb4} ({Predecessor:} 11. c5 Nc7 12. g3 b5 13. Bd2 a5 14. Ng5 b4 15. Ne2 Nb5 16. f3 Rf8 17. O-O-O {1-0 (56) Lu,S (2611)-Cruz Lledo,P (2452) Roquetas de Mar 2020}) 11... Qd7 12. Rd1 Nc7 13. g3 Rd8 14. O-O O-O 15. Bxe7 Qxe7 16. c5 Rb8 17. Rfe1 (17. Na2 $14 {might be stronger.}) 17... b6 $11 18. b4 bxc5 19. dxc5 ({Better is} 19. bxc5 $14 Rfc8 20. Rb1) 19... a5 20. Rb1 Nb5 21. Ne2 ({Reject} 21. bxa5 Qxc5 22. Nxb5 Rxb5 23. Rxb5 cxb5 $15) 21... axb4 22. axb4 Ra8 23. Ra1 {To avoid Ra3} Qb7 24. Ned4 (24. Kg2 $11) 24... Nbxd4 25. Nxd4 Nxd4 (25... Rxa1 $15 26. Rxa1 Qxb4 27. Nxf5 exf5 28. Qxf5 Qxc5) 26. Qxd4 Rxa1 27. Rxa1 Rb8 28. Rb1 Qb5 29. Kg2 {Weighted Error Value: White=0.19 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.14"]
[White "Granara Barreto, Sebastian"]
[Black "Vazquez, Facundo"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2131"]
[BlackElo "2319"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,42,0,0,0,0,0,10,0,3,0,11,0,0,-34,-41,-76,-85,-127,-120,-128,-105,-112,-119,-152,-118,-123,-130,-122,-131,-160,-152,-277,-289]} 1. c4 {Mekhitarian,K} e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. d3 {A28: English Opening: Four Knights Variation.} d6 8. Be2 Re8 9. e4 {The position is equal.} Ne7 10. Nh4 {[#]} c6 $146 ({Predecessor:} 10... Ng6 11. Nxg6 hxg6 12. O-O c6 13. f4 b5 14. cxb5 cxb5 15. h3 Qb6+ 16. Kh2 Be6 {1-0 (40) Aronian,L (2799)-Matlakov,M (2728) Tbilisi 2017 CBM 181 [Mekhitarian,K]}) 11. O-O d5 12. f4 dxc4 $1 13. dxc4 exf4 14. e5 (14. Bxf4 $142 Ng6 15. Nxg6 hxg6 16. Bf3) 14... Ng4 $17 15. Bxg4 {[%cal Oe5e6] [#] Threatens to win with e6!} Bxg4 16. Bxf4 Qb6+ 17. Kh1 Qc5 18. Qb3 Be2 {[%csl LRc4,LRf1]} 19. Rfe1 Qxc4 20. Bg5 Qg4 21. e6 {[#]} (21. Bxe7 $17 {was necessary.} Rxe7 22. h3) 21... f6 $1 {Weighted Error Value: White=0.22 (precise) /Black=0.04 (flawless)} ({Stronger than} 21... fxe6 22. Bxe7 Rxe7 23. h3 $17) 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.15"]
[White "Lopez Azambuja, Nicolas"]
[Black "Araque, Jairo"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2318"]
[BlackElo "1970"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,57,63,39,56,22,54,25,15,-10,-1,-28,97,77,71,77,133,133,115,104,110,101,116,48,158,149,142,0,246,233,271,236,583,568,817,814,1321,1310,1502,1491,1401,1384,29990,29991]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 c5 7. d5 Qa5 8. Bd2 a6 9. a4 Qd8 {E74: King's Indian: Averbakh Variation: 6...c5.} 10. h3 {[#]} a5 $146 ({Predecessor:} 10... e6 11. Nf3 exd5 12. exd5 h6 13. O-O b6 14. Bd3 Ra7 15. Re1 Re8 16. Rxe8+ Nxe8 17. Qc1 {½-½ (25) Kovacs,E (2320)-Zila,L (2235) Hungary 1996}) 11. f4 Na6 {White has an edge.} 12. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} e6 13. g5 Nxe4 14. Nxe4 $16 {Strongly threatening Bc3.} exd5 15. cxd5 Re8 ({Better is} 15... Bxb2 16. Rb1 Bf5 17. Rxb2 Bxe4) 16. Ng3 Bxb2 17. Rb1 Bg7 18. Kf2 Nb4 {[#]} 19. Qb3 (19. Bc4 $1 $16) 19... f6 (19... Bd7 $1 $14) 20. Nf3 ({Don't blunder} 20. Bxb4 $2 axb4 21. f5 Bd7 $19) 20... Bd7 21. Rbe1 (21. Kg2 $16) 21... Rc8 $2 (21... f5 $1 $11 {and Black has nothing to worry.}) 22. Bc4 $18 Rxe1 23. Rxe1 Bxh3 $2 (23... f5 {is tougher.} 24. h4 Qf8) 24. Bc3 Bg4 25. Ne4 Bxf3 26. Nxf6+ Bxf6 27. Bxf6 Qd7 28. Qxf3 {[#] Re7 would kill now.} Qxa4 29. Qh3 {Weighted Error Value: White=0.22 (precise) /Black=1.02} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.16"]
[White "Elena, Eduardo"]
[Black "Spata, German"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "1712"]
[BlackElo "2300"]
[Annotator "ChessBase"]
[PlyCount "56"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:02:02]} c5 {[%emt 0:00:35]} 2. Nf3 {[%emt 0:00:06]} d6 {[%emt 0:00:14]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:05]} 5. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:05]} 6. Bg5 {[%emt 0:00:10]} e6 {[%emt 0:00:17]} 7. f4 {[%emt 0:01:11]} h6 {[%emt 0:00:30]} 8. Bxf6 {[%emt 0:02:17]} Qxf6 {[%emt 0:00:03]} 9. Qd2 {[%emt 0:00:49]} g5 {[%emt 0:00:16]} 10. fxg5 {[%emt 0:02:20]} Qxg5 {[%emt 0:00:44]} 11. Qd3 {[%emt 0:06:22]} Nd7 {[%emt 0:06:36]} 12. Nf3 {[%emt 0:01:48]} Qc5 {[%emt 0:04:31]} 13. O-O-O {[%emt 0:12:16]} b5 {[%emt 0:00:11]} 14. g3 {[%emt 0:09:52]} Bb7 {[%emt 0:01:47]} 15. Bg2 {[%emt 0:01:16]} O-O-O {[%emt 0:01:26]} 16. Rhf1 {[%emt 0:01:43]} Be7 {[%emt 0:02:50]} 17. Rd2 {[%emt 0:02:45]} Ne5 {[%emt 0:06:12]} 18. Qe2 {[%emt 0:04:22]} Nxf3 {[%emt 0:07:50]} 19. Qxf3 {[%emt 0:04:44]} Bg5 {[%emt 0:02:00]} 20. Qxf7 {[%emt 0:01:06]} Rde8 {[%emt 0:10:55]} 21. Kd1 {[%emt 0:07:04]} Bxd2 {[%emt 0:05:02]} 22. Kxd2 {[%emt 0:00:09]} Rhf8 {[%emt 0:05:15]} 23. Qg6 {[%emt 0:03:53]} Qd4+ {[%emt 0:07:41]} 24. Ke2 {[%emt 0:01:00]} Bc6 {[%emt 0:07:21]} 25. Rxf8 {[%emt 0:07:30]} Rxf8 {[%emt 0:01:54]} 26. Nd1 {[%emt 0:00:13]} b4 {[%emt 0:02:08]} 27. Bh3 {[%emt 0:05:51]} Bb5+ {[%emt 0:02:10]} 28. Ke1 {[%emt 0:02:08]} Qg1+ {[%emt 0:00:08]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.17"]
[White "Coppola, Claudio"]
[Black "Garcia, Luis E."]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2285"]
[BlackElo "2192"]
[Annotator "ChessBase"]
[PlyCount "59"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:18:20]} Nf6 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:17]} c5 {[%emt 0:00:11]} 3. d5 {[%emt 0:00:04]} b5 {[%emt 0:00:10]} 4. cxb5 {[%emt 0:00:04]} a6 {[%emt 0:00:11]} 5. bxa6 {[%emt 0:00:03]} Bxa6 {[%emt 0:00:08]} 6. Nc3 {[%emt 0:00:12]} d6 {[%emt 0:00:17]} 7. Nf3 {[%emt 0:00:16]} g6 {[%emt 0:00:06]} 8. e4 {[%emt 0:00:04]} Bxf1 {[%emt 0:00:12]} 9. Kxf1 {[%emt 0:00:02]} Bg7 {[%emt 0:00:15]} 10. g3 {[%emt 0:00:03]} Nbd7 {[%emt 0:00:28]} 11. Kg2 {[%emt 0:00:04]} O-O {[%emt 0:00:08]} 12. a4 {[%emt 0:00:13]} Ng4 {[%emt 0:01:14]} 13. Qc2 {[%emt 0:05:53]} Qa5 {[%emt 0:02:02]} 14. Bg5 {[%emt 0:04:40]} Rfe8 {[%emt 0:08:06]} 15. Nb5 {[%emt 0:02:14]} Rab8 {[%emt 0:09:07]} 16. Rhe1 {[%emt 0:17:37]} Qb6 {[%emt 0:10:22]} 17. h3 Nge5 {[%emt 0:04:47]} 18. Nd2 {[%emt 0:03:23]} h6 {[%emt 0:06:30]} 19. Be3 {[%emt 0:00:30]} g5 {[%emt 0:00:43]} 20. f4 {[%emt 0:07:00]} gxf4 {[%emt 0:01:48]} 21. gxf4 {[%emt 0:00:03]} Ng6 {[%emt 0:00:45]} 22. Nc4 {[%emt 0:00:12]} Qb7 {[%emt 0:09:17]} 23. Na5 {[%emt 0:04:52]} Qa8 {[%emt 0:02:25]} 24. Nc6 {[%emt 0:07:56]} Rb7 {[%emt 0:02:35]} 25. Rg1 {[%emt 0:03:10]} Kh8 {[%emt 0:02:54]} 26. Kh1 {[%emt 0:01:54]} Nb6 {[%emt 0:08:53]} 27. f5 {[%emt 0:02:49]} Ne5 {[%emt 0:07:24]} 28. Nxe5 {[%emt 0:02:20]} Bxe5 {[%emt 0:06:06]} 29. Bxh6 {[%emt 0:00:26]} Rg8 {[%emt 0:03:11]} 30. Qe2 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.18"]
[White "Palacio, Enzo"]
[Black "Ricardi, Pablo"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1896"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,100,73,71,75,71,66,14,65,40,40,-15,29,0,0,-25,-13,-49,-16,-16,-24,-13,-27,-31,-37,-98,-114,-116,-109,-148,-153,-151,-160,-165,-127,-137,-135,-185,-205,-281,-270,-505,-502,-475,-286,-265,-187,-458,-446,-455,-454,-451,-443,-443,-426,-520,-513,-504,-500,-650,-651,-854,-878,-790,-866,-1080,-1068,-1466,-1475,-2007,-1987,-5189,-2766,-29978,-29979,-29983,-29984,-29984,-29985,-29985,-29986,-29985,-29986]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Qd2 b5 9. g4 Bb7 10. O-O-O Nc6 11. h4 Nd7 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} 12. Nxc6 Bxc6 13. Ne2 (13. g5 $14) 13... Rc8 (13... Bb7 $11) 14. Nd4 $1 $14 Bb7 15. Be2 (15. g5 $14) 15... Ne5 (15... d5 $142) 16. g5 d5 17. exd5 (17. Bf4 {is more complex.} Ng6 18. e5 Qc7 19. Kb1 Bc5 20. c3) 17... Qxd5 {[#]} (17... Bxd5 {is interesting.} 18. Kb1 Qc7 19. Bf4 O-O 20. h5 Bd6) 18. Nb3 $146 ({Predecessor:} 18. Kb1 Nc4 19. Bxc4 Rxc4 20. Rhf1 O-O 21. Qe2 Rfc8 22. Rd2 Bb4 23. c3 Bf8 24. Nb3 {0-1 (43) Milanko,N (2080)-Cvetkovic,S (2409) Belgrade 2003}) 18... Qxd2+ (18... O-O {looks sharper.} 19. Kb1 Nc4 20. Qxd5 Bxd5 21. Bc1 Rfd8) 19. Nxd2 Bc5 20. Bxc5 (20. Bf4 {keeps more tension.} Ng6 21. Bg3 Be3 22. Kb1 Bf4 23. Bf2) 20... Rxc5 21. Nb3 Rc7 22. Rh3 {[#]} (22. Nd4 $15) 22... Ng6 $1 $17 {Strongly threatening ...Nf4.} 23. Bf1 h6 24. Nd4 Ke7 25. Re1 Rc5 26. Nb3 Rcc8 ({Worse is} 26... Re5 27. Rxe5 Nxe5 28. f4 $17) 27. Nd4 Kf8 28. Re3 (28. Rg3 $17) 28... Nf4 $19 29. Rg3 {[%cal Og5g6]} hxg5 30. hxg5 (30. Rxg5 Rxh4 31. Rg1) 30... Rh1 31. Re1 e5 32. Nf5 Rd8 {[%cal Of4e2] [#] aiming for ...Ne2+!} 33. Kb1 $2 (33. Rg4) 33... Rd2 34. Rc1 Rf2 {[%csl LRf1,LRf3]} 35. Bd3 Rxc1+ 36. Kxc1 Bxf3 37. b3 e4 38. Nd4 Bg2 39. Bxb5 axb5 40. Rc3 Ne2+ 41. Nxe2 Rxe2 {[%mdl 4096] Endgame KRB-KR} 42. Rc8+ Ke7 43. g6 fxg6 44. a4 bxa4 45. bxa4 e3 {[%cal Be4e3,Be3e2][%mdl 32] ( -> ...Re1+)} 46. Rc7+ Kf6 {Black mates.} 47. Kd1 Rd2+ 48. Kc1 Rd8 49. Rc3 e2 50. Re3 Rd1+ {Weighted Error Value: White=0.90/Black=0.13 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.19"]
[White "Labollita, Martin"]
[Black "Migens Romero, Juan"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2388"]
[BlackElo "2097"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,25,16,13,17,7,2,0,0,0,173,179,193,198,388,398]} 1. e4 e6 2. Qe2 c5 3. g3 Nc6 4. Nf3 d6 5. Bg2 Be7 6. O-O Nf6 7. c3 O-O {C00: French: Unusual White 2nd moves.} 8. d3 Re8 {[#]} 9. a3 $146 ({Predecessor:} 9. Nbd2 Bd7 10. a4 a6 11. e5 dxe5 12. Nxe5 Nxe5 13. Qxe5 Bc6 14. Qe2 Rb8 15. Rd1 b5 16. axb5 axb5 {1-0 (25) Catapano,F (1772)-Hosseni,R (1440) Cutro 2009}) 9... b5 10. e5 Nd7 {[#]} (10... dxe5 $11 {and Black stays safe.} 11. Nxe5 Nxe5 $1) 11. exd6 $1 $18 Bxd6 12. Ng5 ({Worse is} 12. Qe4 Bb7 $11) 12... Qc7 (12... Bb7 {keeps fighting.}) 13. Qe4 {[%csl LRc6,LRh7] Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.01 (flawless) /Black=0.85} ({Don't take} 13. Qh5 Nf6 14. Qxf7+ Qxf7 $18) 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.20"]
[White "Nejanky, Maisa"]
[Black "Curi, Gabriel"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1948"]
[BlackElo "2205"]
[Annotator "ChessBase"]
[PlyCount "48"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:04:39]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:15]} d6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:05]} g6 {[%emt 0:00:05]} 6. Be3 {[%emt 0:02:54]} Bg7 {[%emt 0:00:07]} 7. f3 {[%emt 0:01:05]} O-O {[%emt 0:00:17]} 8. Qd2 {[%emt 0:00:05]} Nc6 {[%emt 0:00:06]} 9. O-O-O {[%emt 0:07:18]} d5 {[%emt 0:00:48]} 10. Nxc6 {[%emt 0:11:56]} bxc6 {[%emt 0:01:11]} 11. exd5 {[%emt 0:00:11]} Nxd5 {[%emt 0:00:43]} 12. Nxd5 {[%emt 0:02:44]} cxd5 {[%emt 0:00:07]} 13. Qxd5 {[%emt 0:00:28]} Qc7 {[%emt 0:00:07]} 14. Qc5 {[%emt 0:22:29]} Qb7 {[%emt 0:00:08]} 15. Qa3 {[%emt 0:09:08]} Bf5 {[%emt 0:43:35]} 16. Kb1 {[%emt 0:31:29]} Rab8 {[%emt 0:12:57]} 17. Bc1 {[%emt 0:00:11]} Rfc8 {[%emt 0:03:47]} 18. Bd3 {[%emt 0:02:36]} Rc3 {[%emt 0:05:23]} 19. Qa5 {[%emt 0:01:18]} Bxd3 {[%emt 0:01:31]} 20. Rxd3 {[%emt 0:00:45]} Rxd3 {[%emt 0:00:07]} 21. cxd3 {[%emt 0:00:28]} Bxb2 {[%emt 0:00:12]} 22. Kc2 {[%emt 0:00:33]} Rc8+ {[%emt 0:00:29]} 23. Kd2 {[%emt 0:00:24]} Bxc1+ {[%emt 0:00:38]} 24. Rxc1 {[%emt 0:00:37]} Qb2+ {[%emt 0:00:10]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.21"]
[White "Pichuaga, Juan Pablo"]
[Black "Manteiga, Franco"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "2030"]
[BlackElo "1915"]
[Annotator "ChessBase"]
[PlyCount "28"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. d3 a6 6. a4 Nf6 7. e5 d5 8. exd6 Bxd6 9. Nf3 b6 10. Nxd4 cxd4 11. Ne4 Nxe4 12. dxe4 Bb7 13. Bd3 Qc7 14. h3 Bc6 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.22"]
[White "Popov, Mark"]
[Black "Siddeley, Hugh"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1758"]
[BlackElo "2000"]
[Annotator "ChessBase"]
[PlyCount "43"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. b3 Nf6 {[%emt 0:03:58]} 2. Bb2 {[%emt 0:06:07]} g6 {[%emt 0:00:21]} 3. Nf3 {[%emt 0:00:25]} Bg7 {[%emt 0:00:07]} 4. e4 {[%emt 0:01:29]} d6 {[%emt 0:00:52]} 5. d3 {[%emt 0:10:45]} O-O {[%emt 0:04:54]} 6. Nc3 {[%emt 0:00:35]} c5 {[%emt 0:04:58]} 7. Be2 {[%emt 0:03:08]} Nc6 {[%emt 0:04:51]} 8. h3 {[%emt 0:03:45]} a6 {[%emt 0:01:21]} 9. Qd2 {[%emt 0:02:50]} b5 {[%emt 0:00:50]} 10. Nd5 {[%emt 0:02:10]} Nxe4 {[%emt 0:03:27]} 11. Qc1 {[%emt 0:06:52]} Qa5+ {[%emt 0:03:48]} 12. b4 {[%emt 0:03:26]} Nxb4 {[%emt 0:01:09]} 13. Nxe7+ {[%emt 0:03:50]} Kh8 {[%emt 0:00:01]} 14. Bxg7+ {[%emt 0:00:39]} Kxg7 {[%emt 0:00:02]} 15. c3 {[%emt 0:04:09]} Nxd3+ {[%emt 0:11:19]} 16. Bxd3 {[%emt 0:00:12]} Bb7 {[%emt 0:00:48]} 17. Nf5+ {[%emt 0:05:49]} gxf5 {[%emt 0:14:11]} 18. Bxe4 {[%emt 0:00:31]} Bxe4 {[%emt 0:00:37]} 19. Qg5+ {[%emt 0:00:59]} Kh8 {[%emt 0:00:07]} 20. Qf6+ {[%emt 0:01:10]} Kg8 {[%emt 0:00:01]} 21. Qg5+ {[%emt 0:01:25]} Kh8 {[%emt 0:00:01]} 22. Qf6+ 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.23"]
[White "Meza, Anahi"]
[Black "Lavandeira, Juan Facundo"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "1996"]
[BlackElo "1520"]
[Annotator "NA"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} d6 {[%emt 0:00:38]} 2. Nf3 {[%emt 0:01:09]} Nf6 {[%emt 0:00:09]} 3. c4 {[%emt 0:00:05]} Nbd7 {[%emt 0:00:43]} 4. g3 {[%emt 0:03:30]} g6 {[%emt 0:00:46]} 5. Bg2 {[%emt 0:00:05]} Bg7 6. O-O O-O {[%emt 0:00:39]} 7. Nc3 {[%emt 0:00:31]} e5 {[%emt 0:01:52]} 8. e4 {[%emt 0:00:26]} a5 {[%emt 0:04:29]} 9. h3 {[%emt 0:03:00]} c6 {[%emt 0:01:00]} 10. Be3 {[%emt 0:01:29]} h6 {[%emt 0:01:23]} 11. Qd2 {[%emt 0:05:53]} Kh7 {[%emt 0:00:08]} 12. Rad1 {[%emt 0:01:11]} Qe7 {[%emt 0:16:39]} 13. Qc2 {[%emt 0:04:34]} Ne8 {[%emt 0:08:30]} 14. dxe5 {[%emt 0:04:37]} dxe5 {[%emt 0:01:14]} 15. Na4 {[%emt 0:01:07]} Nc7 {[%emt 0:06:36]} 16. Rd2 {[%emt 0:18:08]} Na6 {[%emt 0:03:07]} 17. c5 {[%emt 0:05:21]} Nb4 {[%emt 0:06:05]} 18. Qb1 {[%emt 0:00:27]} Na6 {[%emt 0:07:51]} 19. Rc1 {[%emt 0:01:33]} Rd8 {[%emt 0:00:19]} 20. Bf1 {[%emt 0:06:16]} Nc7 {[%emt 0:02:17]} 21. Rcd1 {[%emt 0:01:08]} Ne6 {[%emt 0:06:48]} 22. Qc2 {[%emt 0:01:45]} Ndf8 {[%emt 0:08:56]} 23. Rxd8 Nxd8 {[%emt 0:00:02]} 24. Nb6 {[%emt 0:08:47]} Rb8 {[%emt 0:00:06]} 25. Qa4 {[%emt 0:02:37]} Nde6 {[%emt 0:09:02]} 26. Qxa5 {[%emt 0:00:36]} Qc7 {[%emt 0:00:20]} 27. Qa7 {[%emt 0:04:50]} f5 {[%emt 0:00:35]} 28. exf5 {[%emt 0:01:16]} gxf5 {[%emt 0:00:02]} 29. Na8 {[%emt 0:04:12]} Rxa8 {[%emt 0:00:33]} 30. Qxa8 {[%emt 0:00:01]} f4 {[%emt 0:00:16]} 31. gxf4 {[%emt 0:00:20]} exf4 {[%emt 0:00:02]} 32. Bd2 {[%emt 0:01:11]} Bxb2 {[%emt 0:00:22]} 33. Qa4 {[%emt 0:02:01]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.24"]
[White "Monferrato, Rocco"]
[Black "Dotta, Gian Franco"]
[Result "0-1"]
[ECO "E77"]
[BlackElo "1991"]
[Annotator "ChessBase"]
[PlyCount "64"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:06:43]} 2. c4 {[%emt 0:00:08]} g6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:09]} 4. e4 {[%emt 0:00:00]} d6 5. f4 {[%emt 0:00:00]} O-O 6. Nf3 c5 {[%emt 0:00:17]} 7. d5 {[%emt 0:00:30]} e6 {[%emt 0:00:06]} 8. Be2 {[%emt 0:00:08]} exd5 9. cxd5 {[%emt 0:00:15]} b5 {[%emt 0:00:15]} 10. e5 {[%emt 0:00:10]} dxe5 11. fxe5 {[%emt 0:00:16]} Ng4 {[%emt 0:03:43]} 12. Bg5 {[%emt 0:00:07]} Qb6 {[%emt 0:04:22]} 13. O-O {[%emt 0:00:11]} a6 {[%emt 0:01:33]} 14. Be7 {[%emt 0:02:07]} Re8 {[%emt 0:00:54]} 15. d6 {[%emt 0:01:09]} Ne3 16. Nd5 {[%emt 0:07:14]} Nxd5 {[%emt 0:32:09]} 17. Qxd5 {[%emt 0:00:12]} Qc6 {[%emt 0:01:11]} 18. Qd2 {[%emt 0:26:46]} Bb7 {[%emt 0:04:53]} 19. Rf2 {[%emt 0:07:23]} Nd7 {[%emt 0:01:07]} 20. Qf4 {[%emt 0:03:19]} Qe4 {[%emt 0:02:24]} 21. Qxe4 {[%emt 0:05:56]} Bxe4 {[%emt 0:00:35]} 22. Re1 {[%emt 0:01:01]} Bd5 {[%emt 0:00:48]} 23. Bd1 {[%emt 0:02:57]} Bxa2 {[%emt 0:02:29]} 24. b3 {[%emt 0:01:09]} Bb1 {[%emt 0:00:05]} 25. Ng5 {[%emt 0:04:41]} Bf5 {[%emt 0:00:26]} 26. e6 {[%emt 0:09:32]} Bxe6 {[%emt 0:00:10]} 27. Rxe6 fxe6 28. Nxe6 {[%emt 0:03:02]} Rxe7 {[%emt 0:04:04]} 29. dxe7 Re8 30. Nc7 {[%emt 0:03:14]} Rxe7 {[%emt 0:00:40]} 31. Nxa6 {[%emt 0:00:19]} Re1+ {[%emt 0:00:06]} 32. Rf1 {[%emt 0:00:20]} Bd4+ {[%emt 0:00:03]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.25"]
[White "Torales, Agustin"]
[Black "Castro, Cesar"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1682"]
[BlackElo "2097"]
[Annotator "ChessBase"]
[PlyCount "41"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:18]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:12]} d6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:04]} cxd4 4. Nxd4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:21]} 5. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:10]} 6. Bc4 {[%emt 0:00:09]} e6 {[%emt 0:00:18]} 7. Bb3 {[%emt 0:00:19]} Nbd7 {[%emt 0:00:12]} 8. O-O {[%emt 0:00:48]} Nc5 {[%emt 0:00:09]} 9. Qe2 {[%emt 0:01:43]} Be7 10. f4 {[%emt 0:01:26]} b5 {[%emt 0:01:46]} 11. Nc6 {[%emt 0:04:44]} Qb6 {[%emt 0:00:30]} 12. Nxe7 {[%emt 0:00:10]} Nxb3+ {[%emt 0:02:57]} 13. Be3 {[%emt 0:00:04]} Nd4 {[%emt 0:05:02]} 14. Qf2 {[%emt 0:00:10]} Kxe7 {[%emt 0:02:12]} 15. Bxd4 {[%emt 0:00:09]} Qc6 {[%emt 0:03:19]} 16. e5 {[%emt 0:00:11]} Ne8 {[%emt 0:01:02]} 17. f5 {[%emt 0:16:54]} dxe5 {[%emt 0:10:45]} 18. Bc5+ {[%emt 0:02:15]} Kd8 {[%emt 0:02:26]} 19. Bb6+ {[%emt 0:05:12]} Ke7 {[%emt 0:00:39]} 20. Bc5+ {[%emt 0:04:26]} Kd8 {[%emt 0:00:23]} 21. Bb6+ {[%emt 0:00:08]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.26"]
[White "Martinez Tagliafico, Sergio"]
[Black "Mateus, Martha"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "1780"]
[BlackElo "2019"]
[Annotator "NA"]
[PlyCount "52"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:02:11]} d5 {[%emt 0:00:17]} 2. c4 {[%emt 0:00:16]} e6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:15]} c5 {[%emt 0:00:08]} 4. cxd5 exd5 {[%emt 0:00:06]} 5. Nf3 {[%emt 0:01:25]} Nc6 {[%emt 0:00:05]} 6. g3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:07]} 7. Bg2 {[%emt 0:00:14]} Be7 {[%emt 0:00:12]} 8. O-O {[%emt 0:00:21]} O-O 9. dxc5 Bxc5 {[%emt 0:00:52]} 10. Na4 {[%emt 0:02:57]} Be7 {[%emt 0:04:41]} 11. Be3 {[%emt 0:01:04]} Ne4 {[%emt 0:03:58]} 12. Rc1 {[%emt 0:01:06]} Bf6 {[%emt 0:04:30]} 13. a3 {[%emt 0:21:42]} Re8 {[%emt 0:02:49]} 14. h3 {[%emt 0:11:33]} Nxg3 {[%emt 0:03:16]} 15. fxg3 {[%emt 0:03:21]} Rxe3 {[%emt 0:00:09]} 16. Nc3 {[%emt 0:03:18]} d4 {[%emt 0:06:10]} 17. Na4 {[%emt 0:01:54]} Qd6 {[%emt 0:16:14]} 18. g4 {[%emt 0:12:47]} h6 {[%emt 0:07:58]} 19. Nc5 {[%emt 0:01:50]} Qe7 {[%emt 0:16:32]} 20. Rf2 {[%emt 0:10:03]} Be6 {[%emt 0:06:25]} 21. Qa4 {[%emt 0:06:54]} Bd5 {[%emt 0:03:12]} 22. Qb5 {[%emt 0:06:08]} Bxf3 {[%emt 0:04:41]} 23. Bxf3 {[%emt 0:01:51]} Bh4 {[%emt 0:07:37]} 24. Nd3 {[%emt 0:07:50]} Bxf2+ {[%emt 0:01:03]} 25. Kxf2 {[%emt 0:00:22]} Re8 {[%emt 0:01:50]} 26. Nf4 {[%emt 0:01:23]} Rxf3+ {[%emt 0:00:19]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.33"]
[White "Durante, Aurelio"]
[Black "Amaral, Francisco"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1944"]
[BlackElo "1672"]
[Annotator "NA"]
[PlyCount "86"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:32]} e5 {[%emt 0:00:49]} 2. Nf3 {[%emt 0:00:26]} Nf6 {[%emt 0:00:42]} 3. Nxe5 {[%emt 0:01:33]} d6 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:00:41]} Nxe4 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:09]} Nxc3 {[%emt 0:01:01]} 6. dxc3 {[%emt 0:00:03]} Be7 {[%emt 0:00:12]} 7. Bd3 {[%emt 0:00:47]} Nd7 {[%emt 0:05:33]} 8. Bf4 {[%emt 0:01:58]} Nf6 {[%emt 0:00:42]} 9. Qd2 {[%emt 0:01:13]} Bg4 {[%emt 0:02:31]} 10. O-O-O {[%emt 0:02:17]} Qd7 {[%emt 0:08:02]} 11. Kb1 {[%emt 0:01:04]} O-O {[%emt 0:03:10]} 12. Rde1 {[%emt 0:00:36]} Rfe8 {[%emt 0:00:55]} 13. Nd4 {[%emt 0:00:58]} a6 {[%emt 0:05:11]} 14. f3 {[%emt 0:00:46]} c5 {[%emt 0:01:37]} 15. Ne2 {[%emt 0:02:23]} Bf5 {[%emt 0:01:40]} 16. Bxf5 {[%emt 0:01:46]} Qxf5 {[%emt 0:00:05]} 17. g4 {[%emt 0:00:18]} Qd7 {[%emt 0:00:29]} 18. Ng3 {[%emt 0:00:46]} Bf8 {[%emt 0:03:06]} 19. h4 {[%emt 0:02:17]} Rxe1+ {[%emt 0:02:55]} 20. Rxe1 {[%emt 0:00:14]} d5 {[%emt 0:01:48]} 21. Bg5 {[%emt 0:09:05]} Ne8 {[%emt 0:00:42]} 22. Nf5 {[%emt 0:01:19]} f6 {[%emt 0:03:00]} 23. Bf4 {[%emt 0:02:52]} Rd8 {[%emt 0:00:44]} 24. Qe2 {[%emt 0:08:10]} Nc7 {[%emt 0:04:51]} 25. Ne7+ {[%emt 0:10:17]} Kf7 {[%emt 0:16:04]} 26. Bxc7 {[%emt 0:14:56]} Re8 {[%emt 0:00:09]} 27. Qd3 {[%emt 0:09:23]} Rxe7 {[%emt 0:01:34]} 28. Rxe7+ {[%emt 0:01:21]} Bxe7 {[%emt 0:00:11]} 29. Bf4 {[%emt 0:00:21]} g6 {[%emt 0:01:20]} 30. c4 {[%emt 0:01:36]} d4 {[%emt 0:02:11]} 31. h5 {[%emt 0:01:04]} f5 {[%emt 0:03:30]} 32. b3 {[%emt 0:05:39]} Bg5 {[%emt 0:08:19]} 33. Be5 {[%emt 0:02:29]} Bf6 {[%emt 0:03:09]} 34. Bg3 {[%emt 0:02:22]} fxg4 {[%emt 0:10:21]} 35. Qxg6+ {[%emt 0:00:10]} Ke7 {[%emt 0:00:13]} 36. Qe4+ {[%emt 0:02:11]} Kf7 {[%emt 0:00:45]} 37. fxg4 {[%emt 0:00:08]} Qe7 {[%emt 0:00:36]} 38. Qd5+ {[%emt 0:01:41]} Ke8 {[%emt 0:00:32]} 39. Qg8+ {[%emt 0:01:45]} Kd7 {[%emt 0:01:30]} 40. Qd5+ {[%emt 0:00:50]} Ke8 {[%emt 0:01:06]} 41. Qg8+ {[%emt 0:06:23]} Kd7 {[%emt 0:00:21]} 42. Qb8 Ke6 43. Qc8+ {[%emt 0:03:41]} Kf7 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.34"]
[White "Rodriguez Farias, Eduardo"]
[Black "Areeb, Jazy"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "1931"]
[BlackElo "1665"]
[Annotator "NA"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:03]} d6 {[%emt 0:00:09]} 3. d4 {[%emt 0:00:17]} cxd4 {[%emt 0:00:12]} 4. Nxd4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:19]} 5. Nc3 {[%emt 0:00:07]} a6 {[%emt 0:00:14]} 6. f4 {[%emt 0:02:00]} e5 {[%emt 0:07:12]} 7. Nf3 {[%emt 0:01:03]} Qc7 {[%emt 0:02:32]} 8. f5 {[%emt 0:05:29]} b5 {[%emt 0:01:55]} 9. Bg5 {[%emt 0:02:22]} Nbd7 {[%emt 0:00:24]} 10. Bd3 {[%emt 0:03:11]} Be7 {[%emt 0:01:30]} 11. Qe2 {[%emt 0:00:57]} Bb7 {[%emt 0:01:17]} 12. g4 {[%emt 0:01:41]} Nxg4 {[%emt 0:05:38]} 13. Bxe7 {[%emt 0:00:26]} Kxe7 {[%emt 0:00:15]} 14. Rg1 {[%emt 0:01:24]} Ndf6 {[%emt 0:01:43]} 15. h3 {[%emt 0:03:03]} Nh6 {[%emt 0:00:24]} 16. Rxg7 {[%emt 0:01:41]} Nh5 {[%emt 0:01:10]} 17. Qg2 {[%emt 0:05:58]} Kf8 {[%emt 0:05:34]} 18. f6 {[%emt 0:19:57]} Nxf6 {[%emt 0:13:30]} 19. O-O-O {[%emt 0:08:37]} Rg8 {[%emt 0:23:51]} 20. Rxg8+ {[%emt 0:03:41]} Nfxg8 {[%emt 0:02:08]} 21. Rg1 {[%emt 0:00:30]} f6 {[%emt 0:00:44]} 22. Nd5 {[%emt 0:09:19]} Bxd5 {[%emt 0:02:19]} 23. exd5 {[%emt 0:00:01]} Qf7 {[%emt 0:02:03]} 24. Be4 {[%emt 0:12:16]} Ke7 {[%emt 0:07:55]} 25. Qd2 {[%emt 0:03:13]} a5 {[%emt 0:06:09]} 26. Qe3 {[%emt 0:02:42]} f5 {[%emt 0:03:33]} 27. Ng5 {[%emt 0:00:17]} f4 {[%emt 0:02:26]} 28. Qb6 {[%emt 0:00:31]} Qf8 {[%emt 0:00:15]} 29. Qb7+ {[%emt 0:00:45]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.35"]
[White "Estoyanoff, German"]
[Black "Moccero, Eduardo"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1650"]
[BlackElo "1919"]
[Annotator "NA"]
[PlyCount "84"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 Nc6 2. Nf3 g6 3. c3 d6 4. d4 Bg7 5. Bb5 {[%emt 0:19:14]} Bd7 {[%emt 0:02:45]} 6. Qb3 Nf6 {[%emt 0:04:46]} 7. Ng5 {[%emt 0:13:17]} O-O {[%emt 0:03:55]} 8. Bc4 {[%emt 0:10:02]} e6 {[%emt 0:07:00]} 9. Bd3 {[%emt 0:00:30]} Na5 {[%emt 0:00:30]} 10. Qb4 {[%emt 0:27:00]} b6 {[%emt 0:00:17]} 11. O-O {[%emt 0:00:30]} c5 {[%emt 0:07:58]} 12. Qa3 {[%emt 0:07:03]} Bc6 {[%emt 0:00:30]} 13. Re1 {[%emt 0:00:30]} Bb7 {[%emt 0:04:29]} 14. Nf3 {[%emt 0:01:42]} Qd7 {[%emt 0:00:30]} 15. e5 {[%emt 0:00:30]} Bxf3 {[%emt 0:01:36]} 16. exf6 {[%emt 0:01:18]} Bxf6 {[%emt 0:00:30]} 17. gxf3 {[%emt 0:00:30]} cxd4 {[%emt 0:00:28]} 18. cxd4 {[%emt 0:03:37]} Bxd4 {[%emt 0:00:30]} 19. Bd2 {[%emt 0:03:26]} Qe7 {[%emt 0:04:41]} 20. Re4 {[%emt 0:01:31]} Bg7 {[%emt 0:02:12]} 21. Nc3 {[%emt 0:02:46]} Rfd8 {[%emt 0:01:23]} 22. Nb5 {[%emt 0:00:52]} Qd7 {[%emt 0:02:13]} 23. Rh4 {[%emt 0:02:00]} d5 {[%emt 0:01:46]} 24. Bc3 {[%emt 0:02:38]} Bf8 {[%emt 0:02:45]} 25. Qa4 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 26. Qd4 {[%emt 0:00:30]} f6 {[%emt 0:00:30]} 27. Qf4 {[%emt 0:00:30]} e5 {[%emt 0:03:30]} 28. Qg3 {[%emt 0:03:04]} Bf8 {[%emt 0:01:21]} 29. Bd2 {[%emt 0:00:50]} e4 {[%emt 0:04:01]} 30. Be2 {[%emt 0:00:38]} Nc4 {[%emt 0:01:04]} 31. Bxc4 {[%emt 0:00:30]} dxc4 {[%emt 0:00:12]} 32. Bc3 {[%emt 0:00:00]} Qxb5 {[%emt 0:00:55]} 33. Bxf6 {[%emt 0:00:28]} Rd3 {[%emt 0:02:29]} 34. Qc7 {[%emt 0:00:22]} Rd7 {[%emt 0:00:30]} 35. Qe5 {[%emt 0:00:13]} Qxe5 {[%emt 0:00:52]} 36. Bxe5 {[%emt 0:00:30]} exf3 {[%emt 0:00:26]} 37. Rxc4 {[%emt 0:00:20]} Rad8 {[%emt 0:01:51]} 38. Re1 {[%emt 0:00:40]} Bc5 {[%emt 0:00:48]} 39. Rf4 {[%emt 0:00:36]} Rd1 40. Kf1 {[%emt 0:00:32]} Rxe1+ {[%emt 0:03:56]} 41. Kxe1 {[%emt 0:00:12]} Re8 {[%emt 0:00:00]} 42. Re4 Bd6 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.15"]
[Round "5.36"]
[White "Montiel Caceres, Helen"]
[Black "Pinero, Ismael"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "1625"]
[BlackElo "1906"]
[Annotator "ChessBase"]
[PlyCount "109"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 {[%emt 0:00:25]} 2. c4 {[%emt 0:00:05]} g6 {[%emt 0:00:13]} 3. Nc3 {[%emt 0:00:03]} Bg7 {[%emt 0:00:07]} 4. e4 {[%emt 0:00:02]} d6 {[%emt 0:00:12]} 5. h3 {[%emt 0:00:01]} O-O {[%emt 0:00:05]} 6. Be3 {[%emt 0:00:01]} e5 {[%emt 0:00:23]} 7. d5 {[%emt 0:00:02]} Nh5 {[%emt 0:00:04]} 8. g3 {[%emt 0:00:04]} Na6 {[%emt 0:01:58]} 9. Be2 {[%emt 0:00:14]} Nf6 {[%emt 0:01:11]} 10. g4 {[%emt 0:01:44]} Bd7 {[%emt 0:01:00]} 11. Qd2 {[%emt 0:00:27]} Nc5 {[%emt 0:03:45]} 12. f3 {[%emt 0:00:04]} a5 {[%emt 0:00:07]} 13. h4 {[%emt 0:00:57]} b6 {[%emt 0:06:02]} 14. h5 {[%emt 0:02:43]} a4 {[%emt 0:03:26]} 15. h6 {[%emt 0:00:16]} Bh8 16. Nh3 {[%emt 0:08:07]} a3 {[%emt 0:07:05]} 17. b3 {[%emt 0:17:36]} Ne8 {[%emt 0:27:29]} 18. Rg1 {[%emt 0:00:30]} f6 {[%emt 0:07:30]} 19. Nf2 {[%emt 0:04:16]} Qe7 {[%emt 0:06:24]} 20. Nd3 {[%emt 0:08:07]} Kf7 21. b4 {[%emt 0:00:06]} Nxd3+ {[%emt 0:02:15]} 22. Bxd3 {[%emt 0:23:29]} Rg8 {[%emt 0:05:12]} 23. Rb1 {[%emt 0:03:58]} f5 24. g5 Qd8 {[%emt 0:05:22]} 25. c5 {[%emt 0:01:34]} bxc5 {[%emt 0:00:38]} 26. bxc5 {[%emt 0:00:05]} dxc5 {[%emt 0:00:08]} 27. Bxc5 {[%emt 0:00:12]} Nd6 {[%emt 0:00:24]} 28. Ke2 {[%emt 0:02:36]} Qc8 {[%emt 0:01:07]} 29. Rgc1 {[%emt 0:02:05]} fxe4 {[%emt 0:04:44]} 30. Nxe4 {[%emt 0:00:25]} Nxe4 {[%emt 0:01:00]} 31. Bxe4 {[%emt 0:00:37]} Bf5 {[%emt 0:00:20]} 32. Qe3 {[%emt 0:06:14]} Qa6+ {[%emt 0:01:02]} 33. Kf2 {[%emt 0:00:26]} Rgd8 {[%emt 0:01:11]} 34. Qb3 {[%emt 0:02:45]} Rdb8 {[%emt 0:00:50]} 35. Bb4 {[%emt 0:00:28]} Qb6+ {[%emt 0:01:31]} 36. Kg2 {[%emt 0:00:37]} Ke8 {[%emt 0:00:36]} 37. Rc6 {[%emt 0:05:18]} Qd4 {[%emt 0:01:14]} 38. Rc4 {[%emt 0:04:08]} Qb6 {[%emt 0:00:31]} 39. Qc2 {[%emt 0:00:22]} Qe3 {[%emt 0:00:45]} 40. Bd2 {[%emt 0:01:02]} Qe2+ {[%emt 0:00:16]} 41. Kg3 {[%emt 0:00:24]} Rxb1 {[%emt 0:00:11]} 42. Qxb1 {[%emt 0:00:07]} Qxc4 {[%emt 0:02:07]} 43. Bxf5 {[%emt 0:00:03]} gxf5 {[%emt 0:03:16]} 44. Qxf5 {[%emt 0:00:07]} Qa6 {[%emt 0:00:04]} 45. Qxh7 {[%emt 0:00:05]} e4 {[%emt 0:02:57]} 46. Qxh8+ {[%emt 0:00:13]} Kd7 {[%emt 0:00:11]} 47. Qg7+ {[%emt 0:00:06]} Kc8 {[%emt 0:00:01]} 48. h7 {[%emt 0:00:30]} Qf1 {[%emt 0:00:41]} 49. h8=Q+ {[%emt 0:00:00]} Kb7 {[%emt 0:00:02]} 50. Qh5 {[%emt 0:00:33]} Qd1 {[%emt 0:01:59]} 51. Qd4 Ra4 {[%emt 0:01:32]} 52. Qe3 {[%emt 0:01:29]} Ra6 {[%emt 0:00:58]} 53. Qb3+ {[%emt 0:00:17]} Qxb3 {[%emt 0:00:04]} 54. axb3 {[%emt 0:00:05]} a2 {[%emt 0:00:07]} 55. Bc3 {[%emt 0:00:03]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.1"]
[White "Delgado Ramirez, Neuris"]
[Black "Hungaski, Robert"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2615"]
[BlackElo "2537"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,123,-17,0,0,6,0,12,0,2,-13,-8,-17,0,0,14,0,0,0,0,0,0,0,17,0,0,0,0,-18,0,-27,7,0,0,-7,0,0,0,0,0,-20,0,-28,-20,-208,-227,-214,-206,-206,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-217,0,-489,0,0,0,-445,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,189,209,560,543,535,480,1085,1135,1069,1050,1047,997,2146,3539,2834,7037,6303,6294,29978,29979,29979,29980,29978,29978]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. c4 Nf6 5. Nc3 {[#]} Bg4 $146 ({Predecessor:} 5... Bd7 6. d3 g6 7. h3 Bg7 8. Be3 O-O 9. Bxc6 Bxc6 10. Qd2 a6 11. Bh6 b5 12. Bxg7 Kxg7 {0-1 (63) Szabo,M (1895)-Barrientos Chavarriaga,S (2457) Chess.com INT 2020}) 6. h3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Bxf3 7. Qxf3 Nd7 8. Bxc6 {The position is equal.} bxc6 9. h4 h5 10. Qe2 e5 11. d3 Be7 12. g3 Nf8 13. f4 exf4 14. Bxf4 Ne6 15. O-O-O Qd7 16. Rde1 O-O-O 17. Rhf1 Bf6 18. Qd2 Be5 19. Ne2 {[%cal Bc3e2,Be2c1,Bc1b3][%mdl 32]} f6 20. Kb1 Kb7 21. Nc1 Ka8 22. Nb3 Rb8 23. Bxe5 dxe5 24. Rd1 Rb6 25. Rf5 Rhb8 26. Rxh5 $2 (26. Rf2 $1 $11) 26... Qb7 $1 $19 27. Rf5 Nd4 28. Rf2 Rxb3 (28... Nxb3 $19 29. axb3 Rxb3) 29. axb3 $11 Qa6 {Prevents Qa5.} 30. Qe1 Nxb3 31. Kc2 Qa2 32. Rb1 (32. Qc3 $2 Nd4+ 33. Kd2 (33. Kc1 $2 Qa1+ 34. Kd2 Rxb2+ 35. Qxb2 Qxb2+ $19) 33... Rxb2+ 34. Qxb2 Qxb2+ $19) 32... a5 33. Kc3 a4 34. Qd1 (34. Kc2 $2 a3 35. Qc3 Rb4 $19) 34... Rb4 35. h5 Ka7 36. Rc2 $2 (36. h6 $11 gxh6 37. Rxf6) 36... Kb6 $2 (36... Nd4 $1 $19 {[%cal Rd4c2]} 37. Ra1 Nf3 $1 {[%mdl 512]} 38. Qxf3 (38. Rxa2 $2 Rb3#) 38... Qxa1) 37. g4 $2 {[%mdl 8192]} (37. Rf2 $11) 37... Ka5 $2 ({Black should try} 37... Nd4 $1 $19 38. Kd2 Nxc2 39. Kxc2 (39. Qxc2 $2 Rb3 $19) 39... a3) 38. Rf2 $1 Ka6 39. Rc2 $2 {[%mdl 8192] [#]} (39. g5 $1 $11 fxg5 40. Rf7) 39... Ka5 $2 (39... Nd4 $1 $19 40. Kd2 Nxc2 41. Qxc2 Rb3) 40. Rf2 $1 Nd4 41. Kd2 {aiming for Ke3.} a3 42. Ke3 (42. Kc1 $2 Kb6 43. Qe1 Kc7 $19) 42... axb2 43. g5 fxg5 44. Rf8 Kb6 45. Qf1 {[%cal Of1f7] Hoping for Qf7! Really sharp!} Nc2+ 46. Ke2 $1 {[%cal Of1f7] Qf7! is the strong threat.} Nd4+ 47. Ke3 {[%cal Of1f7]} Nc2+ 48. Ke2 $1 {[%cal Of1f7,Be3e2,Be2d2,Bd2e1][%mdl 32] Black must now prevent Qf7!} Qa7 {And now ...Na3 would win.} 49. Rf7 Qb8 {Strongly threatening ...Na3.} 50. Rf8 Qc7 {[#]} (50... Qb7 $11 {and Black stays safe.} 51. h6 Nd4+ 52. Ke1 gxh6) 51. Ra8 $1 $18 {[%mdl 1024] White has strong compensation.} Qd7 $2 (51... Nd4+ 52. Kd2 Qe7 53. Qf8 (53. Rb8+ Ka7 $18) 53... Qxf8 54. Rxf8 $18) (51... Qe7 52. Kd2 (52. Rb8+ Ka7 $11) 52... Kb7) 52. Qf8 Nd4+ 53. Kd2 Nb3+ (53... Ne6 $142 54. Qb8+ Qb7 55. Qxb7+ Kxb7) 54. Ke1 Na5 55. Qd8+ {[%mdl 64] Skewer} ({And not} 55. Qb8+ Nb7 $11) 55... Qxd8 56. Rxd8 {[%mdl 4096] Endgame KRR-KRN} Ka7 57. Rd7+ Rb7 58. Rxb7+ Nxb7 59. Rxb2 {Threatening mate with Rg2.} Kb8 60. Rg2 {White mates.} Nd8 61. Rxg5 Ne6 {[#]} 62. Rxg7 $3 {[%mdl 512] What a fight!  Weighted Error Value: White=0.36/Black=0.52} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.2"]
[White "Lima, Darcy"]
[Black "Coro, Lucas"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2507"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,77,28,44,15,27,17,8,2,23,-1,-6,-6,0,-10,0,-43,-47,-38,-37,-83,-75,-72,-74,-85,-78,-78,-79,-78,-76,-142,-143,-124,-30,-30,-30,-37,-33,-35,-26,-33,-23,-33,-10,-30,-15,-23,-25,-29,-4,-2,-12,-5,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. O-O Bg4 8. dxe5 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} (8. d5 {with more complications.} a5 9. Bg5 Na6 10. Re1 Nc5 11. h3) 8... Bxf3 9. exf6 Bxe2 10. Qxe2 Bxf6 11. Bh6 {[#]} Bxc3 $146 ({Predecessor:} 11... Re8 12. Rad1 Nc6 13. Nd5 Bh8 14. b3 Ne7 15. Bg5 Qd7 16. Bxe7 Rxe7 17. Nxe7+ Qxe7 {1-0 (30) Firouzja,A (2728)-Paravyan,D (2653) Lichess.org INT 2020}) 12. bxc3 ({Reject} 12. Bxf8 Be5 13. Bxd6 (13. Bh6 $2 Qh4 $19) 13... Qxd6 $17) 12... Re8 13. c5 dxc5 14. Qb5 (14. Rab1 $11) 14... b6 $1 $15 15. Rad1 Qe7 16. f3 {[#]} (16. Qa4 $15) 16... a6 $1 $17 17. Qd3 Nc6 {[%cal Bb8c6,Bc6e5,Be5c4][%mdl 32]} 18. Qd7 Ne5 19. Qxe7 Rxe7 20. Bg5 Re6 21. Rd8+ (21. a4 $142) 21... Rxd8 22. Bxd8 {[%mdl 4096] Endgame KRB-KRN} Nc4 (22... Rc6 $17 {Threatens to win with ...Nd3.} 23. f4 Nd3) 23. Bxc7 $11 Re7 24. Bf4 Rd7 25. Kf2 f6 {Strongly threatening ...g5.} 26. Ke2 Kf7 27. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Ke6 28. g4 b5 29. Rh1 Nb2 30. g5 f5 {next ...Na4 is good for Black.} 31. h5 $1 {The position is equal.} Na4 32. Bd2 fxe4 33. fxe4 Ke5 34. hxg6 hxg6 35. Rh6 Rd6 36. Rh4 {[#] Black must now prevent Bf4+.} Rd7 37. Rh6 Rd6 38. Rh4 {Hoping for Bf4+.} Rd7 39. Rh6 {Weighted Error Value: White=0.09 (flawless) /Black=0.11 (very precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.3"]
[White "Perez Ponsa, Federico"]
[Black "Perdomo, Leandro"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2553"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,95,32,32,39,39,26,43,42,71,73,75,56,56,62,131,146,140,137,212,214,269,255,391,411,439,441,414,387,367,370,369,376,361,298,265,251,370,350,373,362,362,343,352,360,352,353,351,367,413,414,402,400,471,463,467,465,480,477,527,534,532,530,516,510,490,398,585,583,691,691,691,671,767,728,926,907,29982,29983,29983,29984,29984,29985,29987,29988,29988,29987]} 1. d4 {ChessBase II} Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 Na6 7. g4 {E71: King's Indian: 4 e4 d6 5 h3.} e5 8. d5 Nc5 9. f3 {White is slightly better.} h5 10. Qd2 Nh7 {[#]} 11. b4 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 11. O-O-O h4 12. Bd3 Nxd3+ 13. Qxd3 f5 14. Rh2 Kh8 15. Rg2 Bd7 16. exf5 gxf5 17. g5 {½-½ (69) Caruana,F (2811)-Jones,G (2640) Wijk aan Zee 2018 CBM 183 [ChessBase II]}) 11... Na6 12. a3 c5 ({Black should try} 12... h4 $14) 13. dxc6 $1 $16 bxc6 14. O-O-O {White is more active.} Bb7 (14... h4 $16 15. Qxd6 Qxd6 16. Rxd6 Nb8) 15. gxh5 $18 (15. Qxd6 $6 Qh4 16. Qd2 hxg4 $16) 15... gxh5 16. Nge2 {Ng3 is the strong threat.} (16. Qxd6 Qh4 $16) 16... f5 (16... h4 {was called for.} 17. Bh6 (17. Qxd6 Nc7 $18) 17... Kh8 18. Bxg7+ (18. Qxd6 Bxh6+ 19. Qxh6 Qg5+ 20. Qxg5 Nxg5 $18) 18... Kxg7 19. Rg1+ Kh8) 17. Bh6 f4 18. Rg1 Rf7 {[%cal Bf8f7,Bf7g7,Bg7g6][%mdl 32]} 19. Qxd6 {Dancing on a razor blade.} Qxd6 20. Rxd6 Nf8 {To avoid Rdg6} 21. Rg5 Re8 22. Bxg7 ({Much less strong is} 22. Rxh5 Bxh6 23. Rhxh6 Ree7 $18) 22... Rxg7 23. Rxh5 Nc7 (23... Rg6 $142) 24. h4 Rg6 25. c5 {[%cal Bc4c5,Bc5d6][%mdl 32]} Bc8 26. Kc2 Kg7 27. Nc1 ({Weaker is} 27. Rg5 Rxg5 28. hxg5 Re6 $18) 27... Rxd6 28. cxd6 Nce6 29. Nb3 (29. Rxe5 Nd4+ 30. Kd3 Rxe5 31. Kxd4 Rh5 $16) 29... Ng6 30. Bh3 Rd8 31. Bf5 Rxd6 32. Bxg6 Kxg6 33. Rxe5 Rd8 34. Ne2 Rh8 35. Nc5 Kf6 36. Rf5+ Ke7 37. Nxe6 Bxe6 38. Rxf4 {[%mdl 4096] Endgame KRB-KRN} Rg8 (38... c5 {might work better.} 39. Kd3 Rd8+ 40. Ke3 Bc4) 39. Nd4 Rg2+ 40. Kc3 Bd7 41. Nf5+ Kd8 42. h5 {[%cal Bh4h5,Bh5h6][%mdl 32]} Rh2 43. Rh4 Rf2 44. h6 {White mates.} Rxf3+ 45. Kd4 Bxf5 46. exf5 c5+ 47. bxc5 Rxa3 48. Kd5 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.07 (flawless) /Black=0.32} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.4"]
[White "Morovic Fernandez, Ivan"]
[Black "Lopez Azambuja, Nicolas"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2498"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,66,0,0,0,0,0,0,0,0,-27,-18,-32,-18,-45,-36,-48,-18,-19,-20,-22,-20,-22,-8,-23,-14,-14,-15,-22,-12,-42,-35,-47,-22,-67,-66,-108,-107,-156,-154,-245,-244,-244,-254,-1364,-1359,-1232,-1192,-29990,-29991]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. Na3 cxd4 8. cxd4 Nf5 9. Nc2 Qb6 10. O-O Rc8 11. Kh1 {C02: French: Advance Variation.} Na5 12. b3 Bb5 13. Bxb5+ {The position is equal.} Qxb5 14. Ne3 Nxe3 15. Bxe3 Be7 {[#]} 16. Rb1 $146 ({Predecessor:} 16. Ng5 O-O 17. Nh3 Qc6 18. Qg4 Qc2 19. Rac1 Qe4 20. Qe2 Ba3 21. Rxc8 Rxc8 22. Qb5 {0-1 (57) Lagno,K (2507)-Michiels,B (2442) Antwerp 2008}) 16... Rc7 17. Rc1 Rxc1 (17... Nc6 {seems wilder.} 18. Kg1 O-O 19. Ne1 Rfc8 20. Nd3 Ba3) 18. Qxc1 O-O {[%cal Oe7a3]} 19. Kg1 Nc6 20. Qb1 a5 21. Rc1 h6 22. a4 Qa6 23. Ne1 Ba3 24. Rd1 Rc8 {[%cal Bf8c8,Bc8c3,Bc3f3][%mdl 32]} 25. Qa2 Bf8 26. Qc2 (26. h3 $11 {was preferrable.}) 26... Ne7 {[%cal Bc6e7,Be7f5,Bf5d4,Bd4f3][%mdl 32]} 27. Qb1 (27. Qd3 $15 {is more appropriate.}) 27... Nf5 $17 28. Nf3 (28. h3 $142) 28... Rc3 {Black is more active.} 29. Bd2 {[#]} (29. Qb2 $17 Nxe3 30. Qxc3 Nxd1 31. Qd2) 29... Rxf3 $1 $19 {[%mdl 512]} 30. gxf3 Nxd4 31. Be1 $2 (31. Be3 Nxf3+ 32. Kh1) 31... Nxf3+ 32. Kg2 Qe2 {Strongly threatening ...Bc5.} 33. Bxa5 Bc5 {Weighted Error Value: White=0.74/Black=0.05 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.5"]
[White "Menna Barreto, Felipe Kubiaki"]
[Black "Santiago, Yago De Moura"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2351"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,69,23,24,28,29,60,54,66,53,73,33,40,20,76,81,73,31,26,12,2,0,10,16,2,0,10,0,0,0,0,0,0,0,34,34,43,45,70,18,138,138,166,160,226,218,528,200,202,85,74,72,72,82,118,108,124,101,104,62]} 1. c4 Nf6 2. Nc3 g6 3. e4 e5 4. g3 Bg7 5. Bg2 Nc6 6. Nge2 d6 7. d3 a6 {A26: English Opening vs King's Indian with ...Nc6 and d3.} 8. O-O {[#]} b5 $146 ({Predecessor:} 8... O-O 9. Nd5 Nd7 10. Be3 Nd4 11. Nxd4 exd4 12. Bd2 c6 13. Nf4 Rb8 14. Qc2 Ne5 15. b4 Bd7 16. c5 Qe7 {1-0 (40) Grant,J (2217)-Maduekwe,C (2151) London 2012}) 9. Nd5 Ne7 {White is slightly better.} 10. d4 {[%cal Oc1h6] White is more active.} bxc4 11. Nxf6+ (11. Bh6 $5 Bxh6 12. Nxf6+ Kf8 13. dxe5 $11) 11... Bxf6 12. dxe5 dxe5 (12... Bxe5 $11 13. Qa4+ Bd7 14. Qxc4 O-O) 13. Qa4+ $16 Bd7 14. Qa3 (14. Qxc4 $16 Bb5 15. Qc2) 14... O-O $14 15. Bh6 {[%mdl 1024] White has compensation.} Re8 16. Rfd1 {[%cal Og2h3]} Qc8 17. Rac1 Be6 18. Nc3 Rb8 19. h4 Nc6 20. Nd5 Bxd5 21. exd5 Nd4 {[#] ...Be7 is the strong threat.} 22. Rxc4 Qg4 (22... Qf5 $5 {[%cal Rf5h5]} 23. Be3 (23. Rxc7 Nb5 $17) 23... Be7 $11) 23. Qa4 Red8 24. Rd2 a5 25. b3 ({White should play} 25. Be3 $14) 25... Qh5 (25... Rb4 $1 $11 {remains equal.} 26. Rxb4 (26. Qxa5 Rxc4 27. bxc4 Nf5 $15) 26... axb4) 26. Be3 $16 {This bishop pair is nice.} Qf5 27. Rxc7 (27. Bxd4 $6 exd4 28. Rxc7 (28. Qxa5 Qb1+ 29. Bf1 Qe1 $14) 28... Qb1+ 29. Bf1 (29. Kh2 Be5 $14) 29... Be5 $16) 27... Qb1+ (27... Rbc8 $16 28. Rc4 (28. Qxa5 $2 Rxc7 29. Qxc7 Rc8 $19) 28... Ra8) 28. Kh2 $18 Nf5 $2 {[#]} (28... Qf5 29. Qxa5 (29. Bxd4 exd4 30. Qc4 Rb4 $16) 29... Bg7) 29. Qc6 $2 (29. Be4 Qa1 30. Bxf5 gxf5 31. Qc6) 29... Rd6 30. Qc1 (30. Qc3 $18 {and White stays clearly on top.}) 30... Qxc1 $16 {White is better.} 31. Rxc1 {Black must now prevent Ba7.} Nxe3 32. fxe3 Rbb6 33. Rdc2 Bd8 34. e4 Kf8 35. Bh3 {Weighted Error Value: White=0.25 (precise) /Black=0.29 (precise)} (35. Rc8 $16) 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.6"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Coppola, Claudio"]
[Result "1/2-1/2"]
[ECO "A10"]
[WhiteElo "2439"]
[BlackElo "2285"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,131,56,52,22,24,34,23,32,21,25,48,40,74,69,122,105,102,80,120,91,136,130,116,102,93,100,103,98,168,145,420,393,526,536,522,528,510,531,519,516,514,505,479,392,383,286,255,256,341,332,491,473,494,493,449,177,220,191,212,189,164,77,88,40,40,17,17,18,18,8,8,8,8,8,8,8,8,8,8,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,70,8,8,8,70,78,78,0,0,0,0,0,0,0,0,0,8,0]} 1. c4 b6 2. Nc3 Bb7 3. d4 e6 4. a3 g6 5. e4 Bg7 6. Be3 {A40: Unusual replies to 1 d4.} Ne7 {[#]} 7. f4 $146 ({Predecessor:} 7. Bd3 d6 8. Nge2 O-O 9. O-O c5 10. d5 exd5 11. exd5 Nd7 12. f4 Nf6 13. f5 Nxf5 14. Bxf5 gxf5 {½-½ (43) Jeremic,V (2506)-Maksimovic,B (2410) Kragujevac 2010}) 7... d5 8. cxd5 {White has an edge.} exd5 9. e5 Nbc6 10. Nf3 Qd7 11. Bd3 O-O-O (11... f6 $14) 12. O-O Kb8 13. b4 {White is more active.} Nf5 14. Bf2 h5 (14... f6 $142) 15. Qc2 f6 16. Bxf5 (16. Rac1 {feels hotter.} Nce7 17. b5 h4 18. h3 Rc8 19. Rfe1) 16... Qxf5 17. Qxf5 gxf5 18. Bh4 Rhf8 (18... Rdf8 $16) 19. Rfe1 $18 Rde8 $2 {[%mdl 8192]} (19... Bh8 $16 20. Ne2 (20. b5 Na5 $16) 20... Ba6) 20. exf6 Rxe1+ 21. Rxe1 Bxf6 22. Bxf6 Rxf6 23. Re8+ Bc8 24. b5 Na5 25. Nxd5 Re6 26. Rh8 {[#] Ng5 is the strong threat.} c6 27. Nb4 (27. bxc6 Nxc6 28. Nc3 (28. Rxh5 Rd6 $16) 28... Ne7 $18) 27... cxb5 28. d5 ({Don't do} 28. Rxh5 $6 Rd6 29. Ne5 Bb7 $16) 28... Rd6 29. Nd4 (29. Rxh5 Nc4 $16) 29... Nc4 (29... Rd7 $142 30. Nxb5 (30. Rxh5 Nc4 $18) 30... h4) 30. Nxb5 {Pair of Knights!} Rd7 31. Nc6+ Kb7 32. Ncxa7 $2 (32. Nbxa7 Nd6 33. Rxh5) 32... Rxd5 33. Rxc8 Rxb5 34. Nxb5 ({Don't play} 34. Rxc4 $6 Kxa7 35. Rc7+ Ka6 $16) 34... Kxc8 {[%mdl 4096] Endgame KN-KN} 35. Kf1 (35. Kf2 $18 {is more deadly.}) 35... Kd7 $16 36. Ke2 (36. Nd4 $16) 36... Kc6 $1 $14 37. Nd4+ (37. a4 $5 {[%cal Rb5d4]}) 37... Kd5 38. Nxf5 {[#] Hoping for Ne3+.} Ke4 {Prevents Ne3.} 39. Ng3+ Kxf4 40. Nxh5+ Kg5 41. Kd3 Nxa3 42. Ng7 Nb5 43. Ne6+ Kg4 44. Kc4 Nd6+ 45. Kd3 Nf5 46. Nd4 Nd6 47. Nc2 Kf4 48. Ne3 {Strongly threatening Nd5+.} b5 49. Kd4 Nb7 50. Nd5+ Kg4 51. Nf6+ Kf5 52. Ne8 Kg4 53. Kd5 Kf4 54. Nc7 b4 55. Kc4 Nd6+ 56. Kxb4 Nf5 57. Nd5+ Ke4 58. Nf6+ (58. Kc5 $14) 58... Ke3 $11 59. Kc5 Kf2 (59... Nh4 $1 $11) 60. g4 $14 Nh4 61. g5 (61. Kd5 $16) 61... Kf3 $11 {The position is equal.} 62. Kd5 Kf4 63. Ne4 Kf5 64. Kd4 Nf3+ 65. Ke3 Nxg5 66. Nxg5 {Black escapes into a draw.  Weighted Error Value: White=0.16 (very precise) /Black=0.17 (very precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.7"]
[White "Vazquez, Facundo"]
[Black "Valerga, Diego"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2319"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,55,11,13,24,16,9,12,18,0,-1,-7,-6,0,0,15,20,54,54,61,57,68,60,95,87,112,112,112,105,200,186,316,163,162,134,298,30,26,0,0,0,0,11,22,12,11,10,5,10]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 c6 6. cxd5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines.} cxd5 7. Bf4 Nc6 8. e3 O-O 9. Be2 Bg4 10. Ne5 Bxe2 11. Qxe2 Nd7 {[#]} 12. Nd3 $146 ({Predecessor:} 12. Nxd7 Qxd7 13. h5 e5 14. dxe5 d4 15. Rd1 Rad8 16. hxg6 hxg6 17. Bg5 Rde8 18. exd4 Nxd4 {0-1 (36) Santos Latasa,J (2536)-Salem,A (2638) Chess.com INT 2017}) 12... e5 13. Nxe5 Ndxe5 14. dxe5 Nxe5 15. Rd1 Nc6 16. Nxd5 {Hoping for Nc7. White is more active.} Qa5+ 17. Rd2 $1 Qxa2 18. O-O Qb3 (18... Rad8 $16 19. b4 Qb3) 19. h5 $18 h6 (19... Rad8 $142) 20. Rfd1 (20. Ra1 $142 {Ra3 is the strong threat.} a6 21. hxg6 fxg6 22. Qg4) 20... g5 21. Bg3 f5 $2 {[#]} (21... Kh8 $16) 22. Bd6 $2 (22. Ra1 $1 $18 {[%cal Ra1a3] Black must now prevent Ra3.} f4 {[#]} 23. Ra3 $1 (23. exf4 Rae8 $16) 23... Qxa3 24. bxa3 fxg3 25. f4) 22... Rf7 $1 $11 23. Ba3 Re8 {The position is equal.} 24. Qd3 Qxd3 25. Rxd3 Kh8 26. Nc3 Ne5 27. Rd8 Rxd8 28. Rxd8+ {Weighted Error Value: White=0.34/Black=0.21 (precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.8"]
[White "Vitoux, Colomban"]
[Black "Carbone, Diego"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2372"]
[BlackElo "2272"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:05:06]} Nf6 {[%emt 0:00:15]} 2. Nc3 {[%emt 0:00:33]} c5 {[%emt 0:12:16]} 3. g3 {[%emt 0:00:56]} g6 {[%emt 0:00:29]} 4. Bg2 {[%emt 0:00:18]} Bg7 {[%emt 0:00:05]} 5. e4 {[%emt 0:00:59]} Nc6 {[%emt 0:01:21]} 6. Nge2 {[%emt 0:00:07]} d6 {[%emt 0:00:09]} 7. O-O {[%emt 0:00:33]} O-O {[%emt 0:00:05]} 8. d4 {[%emt 0:01:41]} cxd4 {[%emt 0:02:07]} 9. Nxd4 {[%emt 0:00:43]} Nxe4 {[%emt 0:07:39]} 10. Nxc6 {[%emt 0:00:36]} Nxc3 {[%emt 0:00:18]} 11. Nxd8 {[%emt 0:15:05]} Nxd1 {[%emt 0:00:48]} 12. Nxf7 {[%emt 0:40:18]} Nxf2 {[%emt 0:29:55]} 13. Ng5 {[%emt 0:00:42]} Bd4 {[%emt 0:10:16]} 14. Bd5+ {[%emt 0:04:06]} Kg7 {[%emt 0:06:59]} 15. Nf3 {[%emt 0:03:08]} Nh3+ {[%emt 0:00:36]} 16. Kg2 {[%emt 0:00:21]} Bf6 {[%emt 0:00:41]} 17. Be3 {[%emt 0:01:04]} h6 {[%emt 0:02:51]} 18. Nd4 {[%emt 0:02:09]} a6 {[%emt 0:09:06]} 19. Rae1 {[%emt 0:03:33]} Ng5 {[%emt 0:01:16]} 20. Bxg5 {[%emt 0:00:14]} Bxg5 {[%emt 0:02:53]} 21. Rxf8 {[%emt 0:01:35]} Kxf8 {[%emt 0:00:01]} 22. Ne6+ {[%emt 0:00:24]} Bxe6 {[%emt 0:00:09]} 23. Rxe6 {[%emt 0:01:52]} Bf6 {[%emt 0:01:05]} 24. b3 {[%emt 0:04:06]} Rb8 {[%emt 0:00:21]} 25. Kf3 {[%emt 0:01:15]} b5 {[%emt 0:02:21]} 26. c5 {[%emt 0:00:15]} dxc5 {[%emt 0:01:08]} 27. Rxa6 {[%emt 0:00:03]} Rd8 {[%emt 0:08:11]} 28. Ke4 {[%emt 0:03:27]} Kg7 {[%emt 0:00:32]} 29. Rc6 {[%emt 0:01:50]} b4 {[%emt 0:00:33]} 30. Rxc5 {[%emt 0:00:19]} Rb8 {[%emt 0:00:23]} 31. Rc6 {[%emt 0:01:44]} Rb5 {[%emt 0:00:33]} 32. Rc4 {[%emt 0:01:27]} h5 {[%emt 0:00:33]} 33. Bc6 {[%emt 0:01:13]} Ra5 {[%emt 0:00:30]} 34. Ba4 {[%emt 0:00:48]} Re5+ {[%emt 0:00:27]} 35. Kf3 {[%emt 0:00:43]} Rf5+ {[%emt 0:00:16]} 36. Ke2 {[%emt 0:01:26]} Re5+ {[%emt 0:00:19]} 37. Kf3 {[%emt 0:00:29]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.9"]
[White "Spata, German"]
[Black "Ricardi, Pablo"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2300"]
[BlackElo "2464"]
[Annotator "TA RC"]
[PlyCount "84"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,84,10,28,25,26,15,5,8,28,19,25,25,23,22,31,7,14,0,0,0,37,25,37,26,46,38,41,0,0,0,0,0,31,13,18,-16,-16,-16,-16,-47,-40,-40,-16,-83,-90,-89,-89,-77,-22,-103,-35,-93,-27,-81,-29,-21,-21,-70,-29,-31,-39,-69,-2,-141,-140,-342,-332,-396,-396,-1454,-1351,-6379,-5908,-4978,-1745]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 c5 5. Nf3 O-O 6. Bg2 Ne4 7. Bd2 {E20: Nimzo-Indian: 4 g3 and 4 f3.} Bxc3 8. Bxc3 Nxc3 9. bxc3 {The position is equal.} d6 10. O-O {[#]} Nd7 $146 ({Predecessor:} 10... Nc6 11. Rb1 Qc7 12. Qd3 Rb8 13. Ng5 g6 14. Rfd1 Na5 15. dxc5 dxc5 16. Ne4 b6 17. Qe3 Nxc4 18. Nf6+ Kg7 19. Nh5+ gxh5 {½-½ (19) Kalod,R (2512)-Cifka,S (2342) Havlickuv Brod 2006}) 11. Qd3 Qe7 12. Rfd1 Rd8 13. Rab1 Rb8 14. Qc2 b6 15. Qa4 Bb7 16. dxc5 $1 ({Of course not} 16. Qxa7 Be4 17. Qa3 Bc2 $17) 16... Nxc5 (16... Bxf3 $2 17. cxd6 Qf8 18. Bxf3 $16) 17. Qxa7 Ra8 18. Qxb6 Be4 19. Ra1 (19. Nd4 $14 Ra6 20. Qxa6 $1 Nxa6 21. Bxe4) 19... Rab8 $11 20. Qa5 Ra8 21. Qb6 Bc2 (21... Rab8 $5 22. Qa5 Ra8 23. Qb6 $11) 22. Nd4 Ra6 23. Qb2 (23. Qxa6 $5 Nxa6 24. Nxc2 $11) 23... Bxd1 24. Rxd1 Qc7 {Prevents Nc6.} 25. Nb5 Qa5 {[%mdl 1024] Black has compensation.} 26. Rd2 h6 27. Qb4 (27. e3 $11 {remains equal.}) 27... Qb6 $17 28. Nd4 Rc8 $1 {Prevents Nc6.} 29. h3 Qa7 (29... Qb8 $17 {White must now prevent ...Rb6.} 30. Nb5 Ra4) 30. Kh2 (30. Nb5 $11 {keeps the balance.} Qd7 31. Qb1) 30... g6 ({Don't do} 30... Rxa2 31. Nb5 $1 {[%mdl 512]} Qa6 32. Rxa2 Qxa2 33. Nxd6 $16) (30... Ra4 $17 31. Qb2 Qa6) 31. h4 ({White should play} 31. Qb1 $15) 31... Kg7 ({Don't take} 31... Rxa2 32. Nb5 $1 {[%mdl 512]} Qa6 33. Rxa2 Qxa2 34. Nxd6 $18) (31... Rb8 $17 32. Nb5 Qe7) 32. Qb1 (32. e3 $11) 32... Rb6 (32... Nd7 $17 {Strongly threatening ...Rb8.} 33. e3 Rb8) 33. Nb5 $11 Qe7 34. Qb4 (34. Rd4 $11 {feels stronger.}) 34... Ra6 (34... Rcb8 $15) 35. Qb1 Rb8 $36 {[%cal Bc8b8,Bb8b5,Bb5a5,Ba5a6][%mdl 2080] Black is more active.} 36. e4 Ra4 ({Better is} 36... Rbb6 $15) 37. Bf1 {[#]} (37. Qd1 $1 $11) 37... Nxe4 $1 $17 38. Qxe4 {[#] Now White is beyond hope.} (38. Rb2 $17 {might work better.} Nc5 39. Kg1) 38... Rxb5 $1 $19 {[%mdl 576] Pin} 39. Qc6 (39. Kg2 Rba5) 39... Rba5 40. Rxd6 $2 (40. Kg1) 40... Rxa2 {Black is clearly winning.} 41. Kg1 Qf6 {[%csl LRc3,LRf2]} 42. Qb6 Ra6 {Weighted Error Value: White=0.73/Black=0.19 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.10"]
[White "Roselli Mailhe, Bernardo"]
[Black "Sanhueza, Cristian"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2426"]
[BlackElo "2242"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,95,62,42,63,37,32,34,29,36,38,36,36,35,40,33,54,72,44,64,64,67,68,76,87,0,0,-79,-65,-299,-301,-467,-462,-469,-458,-602,-504,-447,-352,-517,-352,-361,-276,-255,-255,-403,-164,-152,-141,-235,335,335,335,335,320,283,727,731,723,631,699,703,792,792,761,731,980,901,971,962,5065,5065,5065,5065,4132,4132,1833,1054,902,878]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 c5 7. d5 e6 8. O-O exd5 9. exd5 Bg4 10. Bf4 Ne8 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4.} 11. Qd2 {White is more active.} (11. Nd2 $5 {[%cal Re2g4]} Bf5 12. Nde4 $16) 11... Nd7 12. h3 Bxf3 {White is slightly better.} 13. Bxf3 Ne5 14. Be2 f5 15. Be3 Nc7 16. Rae1 Qf6 {[#]} 17. Bg5 $146 ({Predecessor:} 17. f4 Nd7 18. Bd3 Rae8 19. Bf2 Rxe1 20. Rxe1 Qf7 21. a3 Re8 22. b4 Rxe1+ 23. Qxe1 {½-½ (53) Jianu,V (2420)-Navrotescu,C (2390) Tusnad 2004}) 17... Qf7 18. f4 Nd7 19. g4 Rae8 {[%cal Ob7b5]} 20. gxf5 gxf5 {[%cal Bg6f5,Bf5f4][%mdl 32]} 21. Bd3 (21. Kh2 $16) 21... h6 $11 22. Rxe8 (22. Bh4 $11 {keeps the balance.}) 22... Rxe8 $17 23. Qg2 $2 hxg5 $19 24. fxg5 (24. Qxg5 {was necessary.} Qf6 25. Qxf6 Bxf6 26. Kh2) 24... Bxc3 25. bxc3 f4 26. Qc2 Re3 27. Bf5 Qe7 28. h4 (28. Bxd7 $142 Qxd7 29. Rxf4) 28... Kh8 {...Nb6 is the strong threat.} 29. Qf2 Ne5 ({But not} 29... Rxc3 $2 30. Qxf4 Ne5 31. Be4 Rxc4 32. Qf5 $19) 30. Qxf4 Rxc3 31. g6 (31. Be4 $142 Rxc4 32. Qf5) 31... Rxc4 (31... Kg7 $142 32. h5 Rxc4 33. h6+ Kg8) 32. Qh6+ Kg8 33. Be4 {[#]} (33. h5 $17 {was called for.}) 33... Qg7 $4 {[%mdl 8192] [#]} (33... Rxe4 $2 {gets mated.} 34. Rf8+ $3 {[%mdl 512]} Qxf8 35. Qh7#) (33... Nxg6 $1 $19 {avoids the disaster.} 34. Qxg6+ Qg7 35. Qxg7+ Kxg7) 34. Qh7+ $1 $18 Qxh7 35. gxh7+ Kg7 36. Rf8 $1 {[%mdl 64] Deflection, Decoy} Kxf8 $2 (36... Rc1+ $2 37. Kg2 Kxf8 38. h8=Q+ Kf7 39. Qh7+ Kf6 40. Qh6+ Ke7 41. Qg7+ Ke8 42. Qxc7 $18) (36... Ng6 37. Bxg6 Rxh4 38. Rg8+ Kf6) 37. h8=Q+ {White is clearly winning.} Ke7 38. Qh7+ Nf7 39. h5 Ne8 40. Bg6 Rf4 41. Qg8 Nc7 42. Bxf7 Rxf7 {[%mdl 4096] Endgame KQ-KRN} 43. h6 Nxd5 44. h7 Nf6 {[#]} 45. Qxf7+ $1 {[%mdl 576] Promotion} Kxf7 46. h8=Q b5 47. Qb8 {[%csl LRa7,LRb5,LRd6]} Ke6 48. Qxb5 {Weighted Error Value: White=0.50/Black=0.61} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.11"]
[White "Hoffman, Alejandro"]
[Black "Curi, Gabriel"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "2403"]
[BlackElo "2205"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,139,15,18,12,7,7,23,19,35,24,16,6,24,0,0,-3,25,16,24,17,26,29,31,27,26,0,0,0,24,6,36,29,53,45,85,87,143,145,137,139,127,135,163,158,167,174,194,178,276,220,220,205,234,248,267,261,258,256,336,329,342,308,308,314,419,375,428,350,487,331,340,333,332,335,537,348,919,429,430,430,427,427,512,517,535,535,535,535,607,593,557,545,570,620,541,552,674,659,637,606,615,599,630,576,563,474,714,471,450,421,793,677,686,0,686,562,763,745,1097,1003,940,671,925,884,873,859,6179,6079,29971,29975,29975,29976]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd2 e6 5. g3 c5 6. cxd5 {D30: Queen's Gambit Declined: Systems without Nc3.} exd5 7. Bg2 Nc6 8. O-O {White has an edge.} Be7 9. dxc5 Bxc5 10. Nb3 Bb6 11. Nbd4 (11. a4 {is more complex.} O-O 12. Bg5 a6 13. a5 Ba7 14. Nfd4) 11... O-O 12. b3 {[#]} Nxd4 $146 ({Predecessor:} 12... Re8 13. Bb2 Bg4 14. h3 Bxf3 15. Bxf3 Ne4 16. Nxc6 bxc6 17. Bd4 Bxd4 18. Qxd4 c5 19. Qd3 Qg5 {½-½ (55) Garcia Fuentes,S (2134)-Sirosh,I (2400) Chess.com INT 2021}) 13. Nxd4 Bg4 14. h3 Bh5 15. Bb2 Re8 16. Bf3 Bg6 17. Kg2 Qd7 18. Rc1 Ne4 19. h4 h6 20. e3 Nf6 21. Ne2 {aiming for Nf4.} Be4 22. Nf4 {Black is on the road to losing.} Rad8 (22... d4 $142) 23. Bxf6 $16 gxf6 24. Bxe4 Rxe4 25. Qf3 {[#] Nh5 is the strong threat.} Qf5 26. Rfd1 d4 27. Rc4 Rd6 28. Ne2 Qe6 (28... Qxf3+ {was necessary.} 29. Kxf3 Re5) 29. Nxd4 Bxd4 30. Rcxd4 ({Don't do} 30. Rdxd4 Rdxd4 31. Rxd4 Rxd4 32. exd4 Qd6) 30... Rdxd4 31. Rxd4 $18 {[%mdl 4096] Endgame KQR-KQR} ({Much less strong is} 31. exd4 $6 Qd5 $16) 31... f5 32. Rd8+ Kg7 33. Qd1 a5 34. Rd6 Qe7 35. Rd5 {[%csl LRa5,LRf5]} a4 36. bxa4 Kg6 37. Rd6+ Re6 38. Rd7 Qb4 39. Rd4 Qc5 40. Qb3 b6 41. Qc4 Qa3 $2 (41... Kg7 {was worth a try.} 42. Rf4 Rf6) 42. Rd8 {And now Qd4 would win.} Qb2 (42... Qc5 43. Qd4 Qxd4 44. Rxd4 h5) 43. Qd4 (43. h5+ $142 Kh7 44. Rb8) 43... Qxd4 44. Rxd4 {KR-KR} (44. exd4 h5 45. Rd5 Re4 46. Rd6+ f6 $18) 44... Rc6 45. Rb4 f6 46. Kf3 Rc2 47. Rxb6 Rxa2 48. Rb4 h5 49. Rf4 Rb2 50. Kg2 Rb1 51. e4 fxe4 52. Rxe4 Kf5 53. Rc4 Ra1 54. Rf4+ Kg6 55. Kf3 Re1 56. Re4 Ra1 57. Rd4 Re1 (57... Ra2 $142 58. Rc4 Kg7) 58. Kf4 Re2 59. f3 {[%cal Bf2f3,Bf3g4,Bg4f5][%mdl 32]} Re1 (59... Re5 $142 60. Rb4 Ra5) 60. Rd7 Ra1 61. Rd4 Re1 $1 62. Rb4 Rg1 63. g4 hxg4 64. fxg4 Rf1+ 65. Ke4 Rh1 66. h5+ Kg5 67. Kd5 {Black must now prevent Kc6.} f5 {[#]} 68. gxf5 $1 ({Not} 68. a5 fxg4 69. Kc6 g3 $11) 68... Rxh5 69. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} Kxf5 70. a6 {Weighted Error Value: White=0.25 (precise) /Black=0.31} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.12"]
[White "Brizzi, Milagros Tatiana"]
[Black "Labollita, Martin"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2063"]
[BlackElo "2388"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,70,14,21,20,6,37,29,33,35,37,28,59,1,36,-16,11,0,0,-94,-95,-105,-47,-45,-52,-89,-96,-95,-84,-171,-168,-162,-167,-154,-47,-114,-106,-117,-23,-108,-97,-93,-101,-109,-95,-85,-98,-23,-111,-154,-130,-423,-430,-430,-430,-406,-414]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b3][%mdl 32]} Nc6 7. Be3 Be7 8. Qd2 O-O 9. dxc5 Qa5 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 10. Nd4 Bxc5 11. Nb3 Bxe3 {White has an edge.} 12. Qxe3 Qb6 13. Qxb6 axb6 {[#]} 14. Bd3 $146 (14. a3 $14) ({Predecessor:} 14. O-O-O f6 15. exf6 Nxf6 16. g3 Ng4 17. Rd2 e5 18. Nxd5 exf4 19. Nxb6 Bf5 20. Bc4+ {1-0 (30) Palac,M (2551)-Valmana Canto,J (2406) Vienna 2019}) 14... Nc5 (14... g5 $5) 15. O-O (15. Bb5 $14) 15... Bd7 16. Rfd1 g5 17. g3 (17. fxg5 $11 Nxe5 18. Be2) 17... gxf4 $17 18. gxf4 Na4 ({Black should try} 18... f6 $17 19. exf6 Rxf6) 19. Rab1 $15 f6 20. Re1 fxe5 21. fxe5 Nc5 (21... Nxc3 $6 22. bxc3 Ra4 23. h3 $15) 22. a3 (22. Bb5 $17) 22... Nxb3 $19 23. cxb3 Nd4 24. Re3 Bc6 (24... Nxb3 25. Bb5 Bxb5 26. Nxb5 $17) (24... Rf3 $17 25. Rbe1 Raf8) 25. Rg3+ ({Better is} 25. Rf1 $1 $15) 25... Kh8 $17 26. Rf1 {To avoid Nf3+} Nxb3 (26... Rxf1+ $17 27. Kxf1 Rf8+ 28. Kg2 Nf5) 27. Rh3 (27. Ne2 $1 $11) 27... Rg8+ 28. Kf2 {[%csl Gd3][%cal Rh3h7]} Raf8+ 29. Ke1 {[%csl Gd3][%cal Rh3h7]} Rxf1+ 30. Kxf1 {[%csl Gd3][%cal Rh3h7]} Rg5 {White must now prevent ...d4.} 31. Rxh7+ Kg8 32. Rh4 {[#]} (32. Rc7 $142) 32... d4 $1 {Strongly threatening ...Nd2+.} ({Inferior is} 32... Rxe5 33. Kf2 $17) 33. Nb5 $2 {[%mdl 8192] [#]} (33. Ne4 $17 Rf5+ 34. Nf2 Rxe5 35. Ng4) 33... Nd2+ $1 $19 34. Ke2 Rg2+ ({Not} 34... Bxb5 35. Bxb5 Rg2+ 36. Kd1 $11) 35. Kd1 Nf3 $1 {[%csl LRb2,LRe5,LRh2,LRh4] Weighted Error Value: White=0.43/Black=0.17 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.13"]
[White "Dotta, Gian Franco"]
[Black "Lujan, Carolina"]
[Result "0-1"]
[ECO "D76"]
[WhiteElo "1991"]
[BlackElo "2334"]
[Annotator "ChessBase"]
[PlyCount "62"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:03:30]} Nf6 {[%emt 0:01:14]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:15]} 3. g3 {[%emt 0:00:10]} Bg7 {[%emt 0:00:11]} 4. Bg2 {[%emt 0:00:13]} d5 {[%emt 0:00:31]} 5. cxd5 {[%emt 0:00:42]} Nxd5 {[%emt 0:00:09]} 6. Nf3 {[%emt 0:00:41]} O-O {[%emt 0:01:19]} 7. O-O {[%emt 0:00:15]} Nb6 {[%emt 0:01:49]} 8. Nc3 {[%emt 0:00:41]} Nc6 {[%emt 0:01:37]} 9. e3 {[%emt 0:00:23]} a5 {[%emt 0:01:37]} 10. b3 {[%emt 0:03:00]} Re8 {[%emt 0:17:20]} 11. Bb2 {[%emt 0:02:37]} Bd7 {[%emt 0:05:26]} 12. h3 {[%emt 0:11:45]} Qc8 {[%emt 0:11:33]} 13. Kh2 {[%emt 0:00:08]} a4 {[%emt 0:07:04]} 14. Nxa4 {[%emt 0:12:24]} Nxa4 {[%emt 0:00:06]} 15. bxa4 {[%emt 0:00:08]} Ra5 {[%emt 0:01:56]} 16. Bc3 {[%emt 0:14:40]} Rh5 {[%emt 0:02:58]} 17. h4 {[%emt 0:03:36]} Bg4 {[%emt 0:01:47]} 18. Qb3 {[%emt 0:04:02]} Be6 {[%emt 0:13:58]} 19. Qb2 {[%emt 0:06:38]} Bd5 {[%emt 0:05:02]} 20. Bh3 {[%emt 0:04:34]} Qa8 {[%emt 0:04:24]} 21. Nd2 {[%emt 0:02:42]} e5 {[%emt 0:05:09]} 22. dxe5 {[%emt 0:16:55]} Nxe5 {[%emt 0:03:37]} 23. e4 {[%emt 0:02:10]} Bc4 {[%emt 0:03:36]} 24. Nxc4 {[%emt 0:02:26]} Nxc4 {[%emt 0:00:13]} 25. Qb4 {[%emt 0:00:54]} Bxc3 {[%emt 0:01:38]} 26. Qxc3 {[%emt 0:00:02]} Qxa4 {[%emt 0:01:16]} 27. Rfd1 {[%emt 0:03:08]} Nd6 {[%emt 0:05:45]} 28. Qxc7 {[%emt 0:01:44]} Nxe4 {[%emt 0:00:25]} 29. Bd7 {[%emt 0:00:30]} Qa7 {[%emt 0:00:17]} 30. Bxe8 {[%emt 0:04:10]} Qxf2+ {[%emt 0:00:20]} 31. Kh3 {[%emt 0:00:05]} Ng5+ {[%emt 0:00:22]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.14"]
[White "Michailov, Matias"]
[Black "Meza, Anahi"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2248"]
[BlackElo "1996"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,109,23,20,55,51,54,36,104,96,93,94,104,127,98,78,77,78,71,71,70,12,8,26,7,21,23,5,89,0,0,0,0,0,41,53,125,112,335,316,293,289,452,197,339,329,494,497,478,477,500,496,551,482,572,502,766,697,663,656,1606,795,997,983,2904,2572,29988,29989,29990,29991,29991,29989,29989,29989,29990,29989,29989,0,0,0,29989,29990,29990,29991,29993,29994,29994,29995]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Bd7 11. O-O Qe8 12. b3 Nh7 13. a3 b6 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} 14. Rb1 f5 15. f3 $1 f4 (15... Nf6 $14) 16. b4 axb4 17. axb4 h5 18. Bf2 g5 19. c5 bxc5 20. bxc5 Nxc5 21. Bxc5 dxc5 {[#]} 22. Rb7 $146 (22. Nb5 $14 Qd8 23. Nb3) ({Predecessor:} 22. d6 cxd6 23. Nc4 Rd8 24. Nxd6 Qg6 25. Nb7 g4 26. Nxd8 Rxd8 27. Qd5+ Kh8 28. Rb7 {1-0 (34) Kraai,J (2345)-Gross,D (2305) Germany 1998}) 22... Qc8 $11 23. Qb3 Kh8 $1 24. Nc4 $36 {[%mdl 2048] White has some pressure.} g4 25. d6 $1 Qd8 (25... gxf3 $11 26. Bxf3 (26. gxf3 $2 Bh3 $19) 26... cxd6) 26. fxg4 (26. dxc7 $6 Qh4 27. fxg4 hxg4 $11) (26. Nd5 $1 $16) 26... hxg4 {[%cal Of4f3] aiming for ...f3!} 27. Nd5 (27. Rxc7 f3 28. gxf3 gxf3 29. Rxf3 (29. Bxf3 $2 Bh3 $19) 29... Rxf3 30. Bxf3 Ra1+ 31. Nd1 Be6 $17) 27... Qh4 28. g3 (28. Nxc7 $2 g3 29. hxg3 fxg3 30. Qxg3 Qxg3 $19) 28... Qh6 (28... Qh3 $11 29. gxf4 g3 30. Qxg3 exf4 31. Nxf4 Rxf4 32. Qxf4 (32. Qxh3 $2 Bxh3 33. Rxf4 Bd4+ 34. Kh1 Ra1+ 35. Rf1 Bxf1 $19) 32... Rf8) 29. dxc7 $14 (29. Rxc7 Ba4 30. Qb2 Rab8 $15) 29... f3 {[#]} ({Black should try} 29... Ng5 $1 $14) 30. Bd3 $1 $16 {And now Ndb6 would win.} f2+ $2 (30... Ng5 $16) 31. Kh1 $18 {Hoping for Rb8.} Ng5 {Strongly threatening ...Nf3.} 32. Qb2 {Dancing on a razor blade.} Qh3 (32... Qh7 {is a better defense.} 33. Nd6 (33. Rxf2 Rxf2 34. Qxf2 Bc8 $11) 33... c4) 33. Qe2 {Active counter play!} ({Weaker is} 33. Ne7 {[#]} Nxe4 $1 {[%mdl 512]} 34. Ng6+ Kg8 35. Ne7+ Kh8 36. Ng6+ Kh7 37. Nxf8+ Kg8 38. Rxf2 Nxf2+ 39. Kg1 Rxf8 $11) (33. Nxe5 $142 c4 34. c8=Q (34. Bxc4 Qh7 $17) 34... Raxc8 35. Rxd7 (35. Ng6+ Kg8 $18)) 33... Nf3 (33... Ra1 {was worth a try.} 34. Rbb1 (34. Rxa1 Nxe4) 34... Rxb1 35. Bxb1 Rf3 36. Rxf2 Rxg3) 34. Rxf2 ({Much less strong is} 34. Qxf2 Ng5 $18) 34... Nd4 (34... Bc8 {was necessary.}) 35. Rxf8+ Rxf8 36. Qg2 Qh6 37. Rb8 Bc8 38. Nce3 {Pair of Knights!} Qc6 39. Qa2 {Black must now prevent Nf5.} Nf3 (39... Kh7 $142 40. Rxc8 Rxc8) 40. Rb6 Qe8 41. Ba6 Bxa6 42. Rxa6 (42. Qxa6 $142 Qh5 43. Rb2) 42... Nd4 43. Rb6 Nc6 44. Qe2 Qa8 45. Qxg4 Qa1+ 46. Kg2 Qa4 47. Qh3+ Kg8 48. Qe6+ Kh8 49. Rxc6 Qxe4+ 50. Kg1 Qb1+ 51. Kg2 {[%cal Bg1g2,Bg2h3,Bh3g4,Bg4g5][%mdl 32]} Qe4+ 52. Kh3 {White mates.} Qh7+ 53. Kg4 Qxh2 54. c8=Q Qe2+ 55. Kg5 {Weighted Error Value: White=0.33/Black=0.57} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.15"]
[White "Tristan, Leonardo"]
[Black "Rodriguez Farias, Eduardo"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2561"]
[BlackElo "1931"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,49,3,17,-3,22,45,33,5,91,79,129,100,100,108,102,105,101,60,53,54,55,38,87,100,89,84,323,225,319,310,331,305,372,363,982,965,1377,1347,1294,902,902,897]} 1. e4 c5 2. Nc3 a6 3. d4 cxd4 4. Qxd4 Nc6 5. Qe3 g6 6. Bd2 {[#] B23: Closed Sicilian: Lines without g3.} Bh6 $146 ({Predecessor:} 6... Bg7 7. O-O-O d6 8. Nd5 Nf6 9. Bc3 O-O 10. Nxf6+ Bxf6 11. Bxf6 exf6 12. Bc4 Ne5 {1-0 (32) Shimanov,A (2593)-Kornev,A (2515) Sochi 2020}) 7. f4 Nf6 8. e5 {White is slightly better.} Ng4 (8... Nh5 $1 $11 {remains equal.}) 9. Qg3 d6 (9... d5 $142) 10. h3 Ngxe5 11. fxe5 Bxd2+ 12. Kxd2 {aiming for exd6.} dxe5+ {[#]} 13. Bd3 (13. Kc1 $1 $16) 13... f5 $1 $14 14. Kc1 Be6 {Inhibits Bc4.} 15. Nf3 Qd6 (15... e4 $14) 16. Rd1 $16 Qc5 17. Re1 {[%cal Rf3e5]} f4 $2 {This move loses the game for Black.} (17... e4 $16) 18. Ne4 Qa5 (18... Qxc2+ {was worth a try.} 19. Bxc2 fxg3 20. Nxg3 Bd5) 19. Qf2 $18 Rc8 20. Qc5 b5 {Strongly threatening ...Nb4.} 21. a3 {Prevents Nb4. Neg5 is the strong threat.} Nd4 $2 (21... O-O 22. Neg5 Bf5 23. Qd5+ Kh8) 22. Qxe5 {White is clearly winning.} Nxf3 {[#]} 23. Nd6+ $1 {[%mdl 512]} Kf8 (23... Kd8 24. Nb7+) 24. Qxh8+ Bg8 {[#]} 25. b4 $1 {[%mdl 512] Weighted Error Value: White=0.19 (very precise) /Black=0.57} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.16"]
[White "Araque, Jairo"]
[Black "Miranda, Rafael"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1970"]
[BlackElo "2264"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,103,0,0,0,0,0,0,-26,0,9,18,-7,32,14,67,45,43,44,73,35,26,-41,-41,-40,-44,-83,-83,-70,-72,-84,-85,-90,-102,-156,-154,-129,-143,-347,-285,-310,-131,-142,-168,-220,-209,-416,-166,-204,0,-302,-75,-61,0,-320,-283,-276,-252,-222,97,-130,-72,-66,-25,-39,-47,-37,-36,-18,0,-8,0,-93,252,199,269,256,231,202,149,160,295,300,589,528,1119,1137,29989,29990]} 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 O-O 5. Nbd2 d6 6. h3 Nbd7 7. c3 b6 8. Bc4 Bb7 9. O-O Qe8 {9...Qe8 is better than 9...c5.} 10. Bh2 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} e5 11. a4 a6 12. b4 {The position is equal.} Qe7 (12... e4 $5 {[%cal Re4f3]} 13. Nh4 Qe7 $15) 13. Qb3 {[#]} c6 $146 ({Predecessor:} 13... h6 14. Rfd1 Kh7 15. Bf1 e4 16. Ne1 Nh5 17. c4 f5 18. c5 f4 19. Rac1 fxe3 20. Qxe3 {1-0 (31) Renner,C (2325)-Bogosavljevic,B (2518) Germany 2020}) 14. Rac1 Rab8 15. Rfd1 Rbc8 ({Black should try} 15... e4 $11 16. Ne1 (16. Ng5 d5 $15) 16... b5) 16. Bf1 e4 17. Ne1 Ne8 18. a5 b5 $1 19. Rc2 (19. c4 $1 $11) 19... d5 $15 20. Be2 f5 21. Nf1 Nc7 22. Qb2 Ne6 23. Nd2 Bh6 24. g3 {Prevents f4.} g5 25. Ng2 ({White should play} 25. f4) 25... f4 $1 $17 26. exf4 gxf4 27. Bg4 (27. gxf4 $17 Bxf4 28. Nf1) 27... Nf6 $1 $19 28. Bf5 fxg3 (28... Rce8 $19 {and Black stays clearly on top. And now ...Ng7 would win.} 29. Re1 (29. gxf4 $2 Nh5 $19) (29. Nxf4 $2 Nxf4 30. gxf4 Nh5 $19) 29... Ng7) 29. fxg3 $17 Rce8 30. Nb3 (30. Nf1 $142) 30... Ng7 31. Rf1 (31. g4) 31... Nfh5 $2 (31... Nxf5 32. Rxf5 Bc8) 32. Bg4 Nf6 $2 (32... Rxf1+ $19 33. Kxf1 Nf6) 33. Bd1 $2 {[%mdl 8192]} (33. Bf5 $11) 33... Ne6 $2 (33... Bc8 $19 34. g4 e3) 34. Nh4 {aiming for Nf5.} Ng7 {[%mdl 8192]} (34... Be3+ $15 35. Kh1 Ng7) 35. Ng2 $1 $19 Bc8 36. g4 Ne6 {White must now prevent ...Ng5.} 37. h4 Nd7 $2 (37... e3 $1 $19 {Strongly threatening ...Ne4.} 38. g5 Nxg5 39. hxg5 Bxg5) 38. Nc5 (38. Rcf2 $16 {and life is bright.}) 38... Ndxc5 $17 ({Worse is} 38... Rxf1+ 39. Kxf1 Rf8+ 40. Rf2 $15) 39. bxc5 Bg7 (39... Rxf1+ $15 {was preferrable.} 40. Kxf1 e3) 40. Bd6 Rxf1+ 41. Kxf1 Qd8 42. g5 Qxa5 {[%cal Ob5b4] Threatening ...b4!} 43. Bh5 $1 {[%cal Bd1h5,Bh5e2,Be2g4,Bg4f5][%mdl 32]} Rd8 {[%cal Ob5b4]} 44. Rf2 {[#]} (44. Ne3 $11 {remains equal.}) 44... Kh8 $2 {[%mdl 8192] [#]} (44... b4 $1 $17 {[%cal Rb4c3] keeps the pressure on.} 45. cxb4 Qb5+ 46. Be2 Qb7) 45. Ne3 $1 $18 {[%cal Bg2e3,Be3f5,Bf5h6][%mdl 32]} b4 (45... Nxd4 {might work better.} 46. cxd4 Bh3+ 47. Ng2 (47. Ke2 b4 $16) 47... b4) 46. cxb4 Qb5+ 47. Be2 Qb7 48. Nf5 {Threatens to win with Qc3. White is much more active.} Qd7 (48... a5 $16) 49. Bg4 Nxd4 $2 (49... Qb7 50. Nh6 Qb5+ 51. Be2 Qb7) 50. Nh6 Qe8 51. Rf7 {[%cal Of7g7] Intending Rxg7! and mate.} (51. Nf7+ Kg8 52. Nh6+ Kh8) 51... Nf5 52. Bxf5 {Never resign too early!  Weighted Error Value: White=0.45/Black=0.78} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.17"]
[White "Fernandez, Maria Florencia"]
[Black "Visillac, Alejandro"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2200"]
[BlackElo "1814"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,60,19,18,25,59,6,5,8,31,31,39,39,43,47,35,32,51,4,69,70,218,149,142,141,127,137,205,225,242,203,306,314,304,257,291,251,335,335,473,462,497,497,575,494,525]} 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Nf3 c6 5. g3 d5 6. Bg2 Bd6 7. O-O O-O 8. b3 Ne4 9. Bb2 Nd7 10. e3 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6).} Ndf6 11. Nd2 (11. Ne2 $14) 11... Nxc3 $11 12. Bxc3 {The position is equal.} Ne4 13. Nxe4 fxe4 14. f3 Qg5 {[#]} 15. Qe2 $146 ({Predecessor:} 15. f4 Qe7 16. c5 Bc7 17. a4 b6 18. Bb4 Ba6 19. Rf2 Rfb8 20. cxb6 Qxb4 21. bxc7 Rb7 22. Qg4 Re8 23. Qxe6+ {1-0 (23) Sarkio,L (2011)-Nieminen,M (2010) Naantali 2018}) 15... exf3 16. Bxf3 Bd7 17. Bd2 (17. c5 $14 Be7 18. e4) 17... Qg6 (17... dxc4 $11 18. bxc4 e5) 18. e4 $14 Rae8 ({Better is} 18... h6 $14) 19. Bh5 ({Weaker is} 19. cxd5 exd5 20. e5 Bh3 $11) 19... Qxe4 20. Qxe4 dxe4 21. Bxe8 {White is more active.} Bxe8 (21... Rxe8 $16 22. Rae1 e5) 22. Rxf8+ $18 Kxf8 $16 {[%mdl 4096] Endgame KRB-KB} 23. Rf1+ Ke7 (23... Kg8 {was necessary.} 24. Bf4 Be7) 24. c5 $18 Bc7 25. Bg5+ Kd7 26. Bf4 {[#] Bxc7 is the strong threat.} Bxf4 27. Rxf4 ({Don't play} 27. gxf4 $6 Bg6 28. Kf2 Ke7 $18) 27... Bg6 (27... e3 {was called for.} 28. Re4 Ke7) 28. Rf8 {White is clearly winning.} e5 29. dxe5 Ke6 30. Kf2 Kxe5 {Weighted Error Value: White=0.14 (very precise) /Black=0.45} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.18"]
[White "Moccero, Eduardo"]
[Black "Muniz, Rafael"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1919"]
[BlackElo "2194"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,40,0,62,-64,-52,-46,-50,-69,-63,-121,-92,-93,-95,-95,-97,-94,-86,-148,-114,-103,-85,-79,-26,-32,-17,-91,-87,-334,-199,-303,-302,-465,-465]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. h3 c5 (5... d5 $11) 6. Bf4 {E61: King's Indian: Early deviations for White, including Smyslov System.} (6. d5 $1 $14) 6... cxd4 $1 $15 7. Nxd4 d6 {[#] And now ...e5 would win.} 8. Bh2 {[#] Black is slightly better.} Qb6 $146 ({Predecessor:} 8... Nbd7 9. e3 Nc5 10. Be2 Nfe4 11. Rc1 Nxc3 12. Rxc3 Ne4 13. Ra3 Qb6 14. f3 Qb4+ {0-1 (48) Gelzinnus,S (1494)-Seifert,K (1737) Dresden 2006}) 9. Qd3 (9. Rb1 $15) 9... Nc6 10. e3 Nxd4 11. exd4 Qxb2 12. Rb1 Qa3 {[#] aiming for ...Bf5. Black is more active.} 13. Rb3 ({White should play} 13. Qd2) 13... Qa5 14. Be2 a6 {[%cal Ob7b5] White must now prevent ...b5!} 15. O-O e5 (15... Bf5 $6 16. Qe3 $11) (15... b5 $17 {...Be6 is the strong threat.} 16. cxb5 Be6) 16. dxe5 $1 $11 dxe5 17. Bf3 (17. Qe3 $11 {remains equal.}) 17... Be6 $17 18. Re1 $2 (18. Bxb7 $17 {keeps fighting.} Rad8 19. Nd5 (19. Qe2 Rd4 $17)) 18... b5 (18... e4 $142 19. Bxe4 Nxe4 20. Rxe4 Bf5) 19. Rxe5 ({Avoid the trap} 19. Bxa8 $2 bxc4 20. Ra3 Qxa3 $19) (19. Qd6 $142 Rad8 20. Ra3 Rxd6 21. Rxa5 Bxc4 22. Rxe5) 19... Rad8 $19 ({Weaker is} 19... bxc4 20. Qe2 Qd8 21. Rb1 $15) 20. Qe3 (20. Qf1 $142) 20... Bxc4 {Weighted Error Value: White=0.68/Black=0.26 (precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.19"]
[White "Manteiga, Franco"]
[Black "Carvalho, Guillermo"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1915"]
[BlackElo "2171"]
[Annotator "ChessBase"]
[PlyCount "58"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:10]} d5 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:11]} e6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:18]} c5 {[%emt 0:00:07]} 4. cxd5 {[%emt 0:00:50]} exd5 {[%emt 0:00:23]} 5. Nf3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:05]} 6. dxc5 {[%emt 0:00:10]} d4 {[%emt 0:01:39]} 7. Na4 {[%emt 0:00:06]} Bxc5 {[%emt 0:00:06]} 8. Nxc5 {[%emt 0:00:10]} Qa5+ {[%emt 0:00:03]} 9. Bd2 {[%emt 0:00:11]} Qxc5 {[%emt 0:00:05]} 10. b4 {[%emt 0:00:59]} Qb6 {[%emt 0:03:49]} 11. Rc1 {[%emt 0:25:05]} Nf6 {[%emt 0:06:24]} 12. Qa4 {[%emt 0:07:51]} O-O {[%emt 0:10:03]} 13. b5 {[%emt 0:00:25]} Ne7 {[%emt 0:00:10]} 14. Ba5 {[%emt 0:03:31]} Qd6 {[%emt 0:06:33]} 15. Qxd4 {[%emt 0:01:47]} Qa3 {[%emt 0:02:24]} 16. Qd2 {[%emt 0:22:19]} Ned5 {[%emt 0:08:48]} 17. Rc4 {[%emt 0:01:07]} b6 {[%emt 0:02:40]} 18. Bc3 {[%emt 0:12:56]} Nxc3 {[%emt 0:00:43]} 19. Rxc3 {[%emt 0:00:22]} Qa4 {[%emt 0:00:34]} 20. Qc2 {[%emt 0:02:04]} Qa5 {[%emt 0:02:57]} 21. Nd2 {[%emt 0:00:28]} Bf5 {[%emt 0:05:57]} 22. Qb2 {[%emt 0:06:42]} Rac8 {[%emt 0:09:48]} 23. Rxc8 {[%emt 0:00:22]} Rxc8 {[%emt 0:00:07]} 24. f3 {[%emt 0:00:10]} Rd8 {[%emt 0:00:21]} 25. e3 {[%emt 0:02:02]} Be6 {[%emt 0:02:10]} 26. h4 {[%emt 0:02:02]} h5 {[%emt 0:00:55]} 27. g3 {[%emt 0:00:54]} Nd5 {[%emt 0:04:42]} 28. Kf2 {[%emt 0:00:33]} Nc3 {[%emt 0:01:07]} 29. Ke1 {[%emt 0:04:55]} Nb1 {[%emt 0:00:33]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.20"]
[White "Davila Texeira, Mario"]
[Black "Granara Barreto, Sebastian"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1793"]
[BlackElo "2131"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,50,6,3,36,14,5,7,43,23,31,0,36,28,81,65,139,0,0,0,0,0,0,0,0,-108,-110,-139,7,-155,-147,-220,-222,-29996,-29997,-29997,-29998]} 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 d6 6. Bg2 e5 7. d3 Nc6 8. O-O h6 9. Nc3 Be6 {A15: English Opening: 1...Nf6.} 10. h3 Qd7 11. Kh2 Nh7 {[#] The position is equal.} 12. e4 $146 (12. e3 $5 {[%cal Rd3d4]}) ({Predecessor:} 12. Nd5 Ne7 13. Nxe7+ Qxe7 14. b4 f5 15. Nd2 c6 16. b5 d5 17. Qa4 Rfc8 18. bxc6 bxc6 {1-0 (50) Grandelius,N (2663)-Costachi,M (2471) Chess.com INT 2021}) 12... f5 13. exf5 gxf5 14. Qd2 Rf7 (14... f4 $11) 15. Rae1 $16 Raf8 (15... Re8 $14) 16. Nh4 (16. Ne2 $1 $16) 16... f4 $11 17. gxf4 Rxf4 18. Ng6 {[%csl LRf4,LRf8]} Ng5 {Threatens to win with ...Nd4.} 19. Nxf8 Kxf8 20. Re3 (20. Nd5 $11 {keeps the balance.} Nf3+ 21. Bxf3 Rxf3 22. Re3 Bxd5 23. cxd5 Qxh3+ 24. Kg1) 20... Nd4 $17 {[%cal Oe6h3] White must now prevent ...Bxh3!} 21. Qd1 {[#]} Qf7 {Black is more active.} (21... Bxh3 $1 $17 {[%mdl 512]} 22. Bxh3 (22. Rg3 Ngf3+) 22... Rh4) 22. Ne4 $2 {[#]} ({White should try} 22. Nd5 $11 Bxd5 23. cxd5) 22... Ndf3+ $1 {Pair of Knights!} 23. Kh1 (23. Rxf3 $17 {is a better defense.} Nxf3+ 24. Kh1) 23... Bxh3 $19 {Hoping for ...Qh5. Really sharp!} 24. Nxg5 $2 (24. Rxf3 $19 Bxg2+ 25. Kxg2 Nxf3 26. Rh1) 24... Bxg2+ 25. Kxg2 Rg4+ {Weighted Error Value: White=0.70/Black=0.30} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.21"]
[White "Guerrero, Alvaro"]
[Black "Popov, Mark"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2123"]
[BlackElo "1758"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,73,7,31,14,22,17,23,27,22,8,57,16,66,74,63,62,76,67,61,30,108,85,106,99,101,64,83,70,91,0,82,74,318,326,566,549,566,509,561,554,542,466,781,789,771,715,708,668,747,741,1268,1279,1251,1250,1223,1199,1508,1489,1491,1473,1447,1433,1752,1648]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4 Bg7 6. e4 Nf6 7. f3 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} O-O 8. Be3 b6 9. Rc1 {[#] White has an edge.} Bb7 $146 ({Predecessor:} 9... Re8 10. Bc4 Na6 11. Ne2 Bb7 12. O-O Rc8 13. Qd3 Nb8 14. Qb3 e6 15. Rfd1 c6 {1-0 (39) Luehrig,W (2008)-Elias Rivas,F (1128) IECG email 2000}) 10. Bd3 Nc6 (10... Nh5 $11 {might be stronger.}) 11. Ne2 (11. Bb5 $14 Na5 12. Ne2) 11... Nh5 ({Black should play} 11... e5 $11) 12. Bb5 $14 Nb8 13. O-O c6 14. Bd3 Nd7 15. f4 {Prevents e5. Strongly threatening e5.} Rc8 (15... Ndf6 $11) 16. b4 c5 17. bxc5 bxc5 18. Nxc5 ({Of course not} 18. dxc5 Ndf6 $14) 18... Nxc5 19. dxc5 Nf6 {[#]} 20. Ng3 (20. e5 $1 $16 {[%cal Re5f6]} Qd5 21. Rf3) 20... h5 {[#]} (20... Ng4 $1 $11 21. Qxg4 Qxd3) 21. e5 $1 $36 {[%mdl 2048] Black is under strong pressure.} Qd5 $2 {This costs Black the game.} 22. Qe2 $18 {Active counter play!} Rfe8 $2 (22... Ng4) 23. Bc4 {[%cal Bd3c4,Bc4b5,Bb5e8][%mdl 32] White is clearly winning.} Qc6 24. Bb5 Qe6 25. exf6 exf6 26. Bd4 Qd5 (26... Bc6 $142 27. Qxe6 fxe6 28. Bxc6 Rxc6) 27. Bxe8 Qxd4+ 28. Rf2 h4 29. Nf1 Bf8 30. c6 Ba6 31. Qxa6 Rxe8 32. c7 Bc5 33. Rcc2 Bb6 34. c8=Q Rxc8 35. Qxc8+ Kg7 36. Kh1 h3 37. Qxh3 {Weighted Error Value: White=0.16 (very precise) /Black=0.65} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.22"]
[White "Vieira, Alexandre Letizio"]
[Black "Pichuaga, Juan Pablo"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1719"]
[BlackElo "2030"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:30]} Nf6 {[%emt 0:02:42]} 2. Bf4 {[%emt 0:00:00]} g6 {[%emt 0:00:13]} 3. e3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:00:04]} d6 {[%emt 0:00:06]} 5. h3 {[%emt 0:00:28]} O-O {[%emt 0:00:14]} 6. c3 {[%emt 0:00:04]} Nbd7 {[%emt 0:00:12]} 7. Nbd2 {[%emt 0:00:15]} a6 {[%emt 0:01:02]} 8. a4 {[%emt 0:00:07]} b6 {[%emt 0:06:14]} 9. Be2 {[%emt 0:00:08]} Bb7 {[%emt 0:00:06]} 10. O-O {[%emt 0:00:05]} c5 {[%emt 0:05:51]} 11. Re1 {[%emt 0:01:18]} Qb8 {[%emt 0:08:41]} 12. Bh2 {[%emt 0:04:01]} Bc6 {[%emt 0:01:27]} 13. b4 {[%emt 0:01:32]} cxb4 {[%emt 0:14:00]} 14. cxb4 {[%emt 0:00:13]} b5 {[%emt 0:00:16]} 15. a5 {[%emt 0:04:36]} Ra7 {[%emt 0:01:11]} 16. Qb3 {[%emt 0:02:39]} Rc7 {[%emt 0:01:43]} 17. Rac1 {[%emt 0:00:31]} Rfc8 {[%emt 0:01:04]} 18. Bd3 {[%emt 0:02:26]} Bb7 {[%emt 0:04:15]} 19. Rxc7 {[%emt 0:12:35]} Qxc7 {[%emt 0:01:34]} 20. e4 {[%emt 0:00:34]} Qc3 {[%emt 0:03:22]} 21. Qb1 {[%emt 0:00:31]} Ne8 {[%emt 0:03:49]} 22. d5 {[%emt 0:02:25]} Qa3 {[%emt 0:05:09]} 23. Qb3 {[%emt 0:02:12]} Qxb3 {[%emt 0:01:11]} 24. Nxb3 {[%emt 0:00:08]} Bc3 {[%emt 0:00:16]} 25. Rc1 {[%emt 0:00:30]} Bxb4 {[%emt 0:00:52]} 26. Rxc8 {[%emt 0:00:07]} Bxc8 {[%emt 0:00:08]} 27. Bf4 {[%emt 0:00:30]} Nc5 {[%emt 0:00:28]} 28. Nxc5 {[%emt 0:00:36]} dxc5 {[%emt 0:01:18]} 29. Bd2 {[%emt 0:00:14]} Bxd2 {[%emt 0:03:05]} 30. Nxd2 {[%emt 0:00:06]} Nd6 {[%emt 0:00:19]} 31. e5 {[%emt 0:02:34]} Nb7 {[%emt 0:06:45]} 32. Ne4 {[%emt 0:00:16]} c4 {[%emt 0:00:31]} 33. Be2 {[%emt 0:01:06]} Kf8 {[%emt 0:06:51]} 34. Kf1 {[%emt 0:00:41]} Bf5 {[%emt 0:01:58]} 35. Nc3 {[%emt 0:02:03]} Nxa5 {[%emt 0:01:00]} 36. g4 {[%emt 0:00:12]} Bd3 {[%emt 0:01:37]} 37. Ke1 {[%emt 0:00:53]} Bxe2 {[%emt 0:01:22]} 38. Kxe2 {[%emt 0:00:51]} Nb3 {[%emt 0:02:24]} 39. f4 {[%emt 0:00:44]} Nc5 {[%emt 0:00:21]} 40. Ke3 {[%emt 0:00:40]} Ke8 {[%emt 0:05:34]} 41. h4 {[%emt 0:00:09]} Nb3 {[%emt 0:01:57]} 42. h5 {[%emt 0:00:10]} gxh5 {[%emt 0:01:02]} 43. gxh5 {[%emt 0:00:05]} h6 {[%emt 0:02:19]} 44. f5 {[%emt 0:02:32]} Nc5 {[%emt 0:02:48]} 45. Kd4 {[%emt 0:00:41]} Nd7 {[%emt 0:01:23]} 46. e6 {[%emt 0:01:46]} Nf6 {[%emt 0:00:32]} 47. Kc5 {[%emt 0:01:50]} fxe6 {[%emt 0:00:26]} 48. fxe6 {[%emt 0:00:16]} Nxh5 {[%emt 0:00:30]} 49. Kb6 {[%emt 0:00:17]} Nf4 {[%emt 0:00:51]} 50. Kxa6 {[%emt 0:00:11]} b4 {[%emt 0:00:10]} 51. Nb5 {[%emt 0:00:23]} Nxd5 {[%emt 0:00:15]} 52. Nd4 {[%emt 0:00:14]} b3 {[%emt 0:00:14]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.23"]
[White "Mateus, Martha"]
[Black "Elena, Eduardo"]
[Result "*"]
[WhiteElo "2019"]
[BlackElo "1712"]
[Annotator "TA"]
[PlyCount "1"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 1,1,23]} 1. e4 {An uneventful encounter.} *

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.24"]
[White "Garcia, Luis E."]
[Black "Cordero, Daniela"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2192"]
[BlackElo "2011"]
[Annotator "ChessBase"]
[PlyCount "101"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:08]} e5 {[%emt 0:00:32]} 2. d3 {[%emt 0:00:21]} Nf6 {[%emt 0:02:00]} 3. g3 {[%emt 0:00:15]} Nc6 {[%emt 0:01:56]} 4. Bg2 {[%emt 0:00:13]} Bb4+ {[%emt 0:00:49]} 5. Bd2 {[%emt 0:00:10]} Be7 {[%emt 0:00:34]} 6. Nc3 {[%emt 0:00:49]} O-O {[%emt 0:00:29]} 7. a3 {[%emt 0:01:39]} a5 {[%emt 0:02:04]} 8. e4 {[%emt 0:04:53]} d6 {[%emt 0:01:34]} 9. Nge2 {[%emt 0:00:16]} Ne8 {[%emt 0:01:47]} 10. O-O {[%emt 0:00:24]} f5 {[%emt 0:02:05]} 11. f4 {[%emt 0:00:26]} fxe4 {[%emt 0:13:05]} 12. dxe4 exf4 {[%emt 0:00:29]} 13. Bxf4 {[%emt 0:02:53]} Nf6 {[%emt 0:07:51]} 14. Qc2 {[%emt 0:04:09]} Be6 {[%emt 0:05:55]} 15. Nd5 {[%emt 0:00:31]} Qc8 {[%emt 0:03:16]} 16. b4 {[%emt 0:06:29]} axb4 {[%emt 0:02:31]} 17. Nxe7+ {[%emt 0:03:23]} Nxe7 {[%emt 0:00:07]} 18. axb4 {[%emt 0:00:17]} Rxa1 {[%emt 0:01:10]} 19. Rxa1 {[%emt 0:00:06]} Bh3 {[%emt 0:01:50]} 20. Qd3 {[%emt 0:07:58]} Bxg2 {[%emt 0:13:03]} 21. Kxg2 {[%emt 0:02:29]} Ng6 {[%emt 0:00:16]} 22. Rf1 {[%emt 0:03:34]} Qe6 {[%emt 0:10:38]} 23. Nc3 {[%emt 0:03:09]} Re8 {[%emt 0:11:25]} 24. Re1 {[%emt 0:05:45]} Nh5 {[%emt 0:04:02]} 25. Bd2 {[%emt 0:05:12]} Ne5 {[%emt 0:01:18]} 26. Qe2 {[%emt 0:02:25]} Nf6 {[%emt 0:05:46]} 27. Nd5 {[%emt 0:01:00]} Qf7 {[%emt 0:02:05]} 28. Rf1 {[%emt 0:11:52]} c6 {[%emt 0:00:44]} 29. Nxf6+ {[%emt 0:01:12]} gxf6 {[%emt 0:00:05]} 30. c5 {[%emt 0:06:07]} d5 {[%emt 0:02:43]} 31. exd5 {[%emt 0:00:28]} Qxd5+ {[%emt 0:00:06]} 32. Kg1 {[%emt 0:03:40]} Qd4+ {[%emt 0:01:02]} 33. Qf2 {[%emt 0:07:45]} Qxf2+ {[%emt 0:02:57]} 34. Rxf2 {[%emt 0:00:08]} Kf7 {[%emt 0:00:17]} 35. Bc3 {[%emt 0:00:46]} Ke6 {[%emt 0:00:08]} 36. Bxe5 {[%emt 0:00:21]} fxe5 {[%emt 0:00:10]} 37. Rd2 {[%emt 0:00:32]} Re7 {[%emt 0:00:24]} 38. Kf2 {[%emt 0:00:48]} Kf5 {[%emt 0:01:28]} 39. Kf3 {[%emt 0:01:44]} h5 {[%emt 0:00:26]} 40. Rd6 {[%emt 0:02:12]} e4+ {[%emt 0:00:45]} 41. Ke3 {[%emt 0:00:11]} Rh7 {[%emt 0:00:33]} 42. Rd8 {[%emt 0:01:45]} Re7 {[%emt 0:00:31]} 43. Rd4 {[%emt 0:02:26]} Kg4 {[%emt 0:00:28]} 44. Rxe4+ {[%emt 0:02:29]} Rxe4+ {[%emt 0:00:01]} 45. Kxe4 {[%emt 0:00:08]} Kh3 {[%emt 0:00:10]} 46. Kf3 {[%emt 0:00:11]} Kxh2 {[%emt 0:00:06]} 47. g4 {[%emt 0:00:13]} hxg4+ {[%emt 0:00:08]} 48. Kxg4 {[%emt 0:00:07]} Kg2 {[%emt 0:00:05]} 49. Kf4 {[%emt 0:00:18]} Kf2 {[%emt 0:00:05]} 50. Ke5 {[%emt 0:00:12]} Ke3 51. Kd6 {[%emt 0:00:16]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.25"]
[White "Siddeley, Hugh"]
[Black "Torales, Agustin"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2000"]
[BlackElo "1682"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:05:55]} Nf6 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:05]} g6 {[%emt 0:00:07]} 3. Bf4 {[%emt 0:00:07]} Bg7 {[%emt 0:00:08]} 4. e3 {[%emt 0:00:05]} O-O {[%emt 0:00:05]} 5. Be2 {[%emt 0:00:07]} d6 {[%emt 0:00:14]} 6. O-O {[%emt 0:00:17]} Nbd7 {[%emt 0:00:16]} 7. c3 {[%emt 0:00:42]} Qe8 {[%emt 0:00:46]} 8. h3 {[%emt 0:00:25]} e5 {[%emt 0:03:20]} 9. Bh2 {[%emt 0:00:08]} Qe7 {[%emt 0:01:22]} 10. a4 {[%emt 0:02:35]} a5 {[%emt 0:00:08]} 11. Na3 {[%emt 0:00:16]} Ne4 {[%emt 0:03:54]} 12. Nc4 {[%emt 0:02:29]} exd4 {[%emt 0:01:53]} 13. cxd4 {[%emt 0:05:35]} Re8 {[%emt 0:07:25]} 14. Qc2 {[%emt 0:04:12]} Nb8 {[%emt 0:02:20]} 15. Rac1 {[%emt 0:05:46]} Nc6 {[%emt 0:01:16]} 16. Ncd2 {[%emt 0:06:38]} Nxd2 {[%emt 0:06:43]} 17. Qxd2 {[%emt 0:00:43]} Nb4 {[%emt 0:03:56]} 18. Ne1 {[%emt 0:07:01]} Bf5 {[%emt 0:04:27]} 19. g4 {[%emt 0:21:20]} Be4 {[%emt 0:01:39]} 20. f3 {[%emt 0:00:42]} Bc6 {[%emt 0:00:09]} 21. e4 {[%emt 0:02:38]} Bxa4 {[%emt 0:02:30]} 22. Ng2 {[%emt 0:05:01]} c5 {[%emt 0:10:13]} 23. d5 {[%emt 0:07:19]} Bd4+ {[%emt 0:00:09]} 24. Kh1 {[%emt 0:00:09]} Nxd5 {[%emt 0:02:45]} 25. b3 {[%emt 0:08:10]} Bd7 {[%emt 0:00:07]} 26. exd5 {[%emt 0:00:35]} Qxe2 {[%emt 0:00:10]} 27. Qxe2 {[%emt 0:00:30]} Rxe2 {[%emt 0:00:06]} 28. Bxd6 {[%emt 0:00:08]} b6 {[%emt 0:00:10]} 29. Bc7 {[%emt 0:00:55]} b5 {[%emt 0:02:40]} 30. Nf4 {[%emt 0:01:15]} Rb2 {[%emt 0:00:53]} 31. Rb1 {[%emt 0:00:15]} Rxb1 {[%emt 0:01:10]} 32. Rxb1 {[%emt 0:00:01]} a4 {[%emt 0:00:06]} 33. Ne2 {[%emt 0:00:53]} Bf6 {[%emt 0:02:06]} 34. Nc1 {[%emt 0:00:57]} a3 {[%emt 0:00:37]} 35. Na2 {[%emt 0:00:10]} Re8 {[%emt 0:00:04]} 36. Bd6 {[%emt 0:00:29]} Bd4 {[%emt 0:00:24]} 37. Rc1 {[%emt 0:01:03]} Re2 {[%emt 0:01:43]} 38. Nc3 {[%emt 0:00:41]} Bxc3 {[%emt 0:00:36]} 39. Rxc3 {[%emt 0:00:06]} a2 {[%emt 0:00:03]} 40. Rc1 {[%emt 0:01:48]} Rb2 {[%emt 0:00:06]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.26"]
[White "Escofet, Jaime"]
[Black "Lavandeira, Juan Bautista"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1981"]
[BlackElo "1516"]
[Annotator "ChessBase"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:26]} 2. e5 {[%emt 0:00:18]} Nd5 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:11]} d6 {[%emt 0:00:06]} 4. c4 {[%emt 0:00:17]} Nb6 {[%emt 0:00:06]} 5. exd6 {[%emt 0:00:06]} exd6 {[%emt 0:00:08]} 6. Nc3 {[%emt 0:00:22]} Be7 {[%emt 0:00:08]} 7. Qf3 {[%emt 0:00:22]} O-O {[%emt 0:01:27]} 8. Be3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:09]} 9. O-O-O {[%emt 0:00:09]} Bf6 {[%emt 0:01:16]} 10. Bd3 {[%emt 0:00:22]} Nb4 {[%emt 0:04:55]} 11. Be2 {[%emt 0:01:28]} g6 {[%emt 0:07:29]} 12. a3 {[%emt 0:01:08]} Nc6 {[%emt 0:02:32]} 13. Nh3 {[%emt 0:05:46]} Be6 {[%emt 0:06:28]} 14. b3 {[%emt 0:06:35]} d5 {[%emt 0:01:55]} 15. c5 {[%emt 0:00:51]} Nc8 {[%emt 0:01:09]} 16. Nf4 {[%emt 0:00:34]} N8e7 {[%emt 0:02:41]} 17. h4 {[%emt 0:08:11]} b6 {[%emt 0:06:56]} 18. h5 {[%emt 0:15:49]} g5 {[%emt 0:06:39]} 19. Nxe6 {[%emt 0:19:32]} fxe6 {[%emt 0:00:08]} 20. Qg4 {[%emt 0:00:30]} Nf5 {[%emt 0:03:38]} 21. Na4 {[%emt 0:03:02]} h6 {[%emt 0:06:51]} 22. Rhe1 {[%emt 0:00:35]} Qd7 {[%emt 0:14:18]} 23. Kb1 {[%emt 0:05:44]} Na5 {[%emt 0:03:00]} 24. Ka2 {[%emt 0:00:23]} Rab8 {[%emt 0:01:06]} 25. Rb1 {[%emt 0:14:04]} Nxb3 {[%emt 0:22:11]} 26. Rxb3 {[%emt 0:00:07]} Qxa4 {[%emt 0:00:30]} 27. Bb5 {[%emt 0:00:30]} Qa5 {[%emt 0:00:30]} 28. Bd7 {[%emt 0:00:30]} Qxe1 {[%emt 0:03:48]} 29. Bxe6+ {[%emt 0:07:36]} Kh8 {[%emt 0:00:30]} 30. Qxf5 {[%emt 0:00:28]} Qe2+ {[%emt 0:00:29]} 31. Ka1 {[%emt 0:03:49]} Qd1+ {[%emt 0:01:43]} 32. Ka2 {[%emt 0:00:23]} Bxd4 {[%emt 0:01:42]} 33. Bxd4+ {[%emt 0:00:17]} Qxd4 {[%emt 0:00:04]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.30"]
[White "Amaral, Francisco"]
[Black "Nejanky, Maisa"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "1672"]
[BlackElo "1948"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:02]} e5 {[%emt 0:09:23]} 2. Nc3 {[%emt 0:00:24]} Nf6 {[%emt 0:00:15]} 3. Nf3 {[%emt 0:00:25]} Nc6 {[%emt 0:00:16]} 4. e3 {[%emt 0:05:06]} d5 {[%emt 0:09:25]} 5. cxd5 {[%emt 0:03:16]} Nxd5 {[%emt 0:00:08]} 6. a3 {[%emt 0:00:06]} Be6 {[%emt 0:08:14]} 7. Bb5 {[%emt 0:02:17]} Nxc3 {[%emt 0:07:54]} 8. bxc3 {[%emt 0:00:37]} Bd6 {[%emt 0:06:41]} 9. Qc2 {[%emt 0:03:25]} O-O {[%emt 0:06:06]} 10. d3 {[%emt 0:11:33]} Na5 {[%emt 0:09:44]} 11. c4 {[%emt 0:00:52]} c6 {[%emt 0:04:14]} 12. Ba4 {[%emt 0:00:08]} b5 {[%emt 0:01:27]} 13. Bb3 {[%emt 0:04:21]} e4 {[%emt 0:12:35]} 14. dxe4 {[%emt 0:02:39]} bxc4 {[%emt 0:11:44]} 15. Ba2 {[%emt 0:06:37]} Nb3 {[%emt 0:00:12]} 16. Bxb3 {[%emt 0:00:08]} cxb3 {[%emt 0:00:08]} 17. Qb2 {[%emt 0:00:06]} Qa5+ {[%emt 0:05:56]} 18. Bd2 {[%emt 0:01:18]} Qa6 {[%emt 0:01:02]} 19. Bc3 {[%emt 0:01:23]} f6 {[%emt 0:00:46]} 20. h4 {[%emt 0:01:07]} Rf7 {[%emt 0:03:29]} 21. h5 {[%emt 0:02:40]} h6 {[%emt 0:00:12]} 22. Nd4 {[%emt 0:00:31]} Bc4 {[%emt 0:00:24]} 23. Nf5 {[%emt 0:01:37]} Bf8 {[%emt 0:00:35]} 24. Rh3 {[%emt 0:01:11]} Rd8 {[%emt 0:00:37]} 25. Rg3 {[%emt 0:02:07]} Kh7 {[%emt 0:00:42]} 26. Bb4 {[%emt 0:15:47]} c5 {[%emt 0:00:47]} 27. Bc3 {[%emt 0:00:06]} Qe6 {[%emt 0:00:31]} 28. f3 {[%emt 0:00:30]} Bd3 {[%emt 0:00:30]} 29. Rd1 {[%emt 0:01:46]} c4 {[%emt 0:00:14]} 30. Nd4 {[%emt 0:01:24]} Qd6 {[%emt 0:00:27]} 31. Kf2 {[%emt 0:02:47]} Qxa3 {[%emt 0:00:23]} 32. Ra1 {[%emt 0:04:14]} Qxb2+ {[%emt 0:00:28]} 33. Bxb2 {[%emt 0:00:07]} Bd6 {[%emt 0:00:46]} 34. Rg6 {[%emt 0:00:57]} Be5 {[%emt 0:00:25]} 35. Ra5 {[%emt 0:01:16]} Rc8 {[%emt 0:00:27]} 36. Bc3 {[%emt 0:01:03]} Rb7 {[%emt 0:00:22]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.31"]
[White "Migens Romero, Juan"]
[Black "Salguero, Rafael"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2097"]
[BlackElo "1948"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:15:07]} c6 {[%emt 0:00:11]} 2. d4 {[%emt 0:00:07]} d5 {[%emt 0:00:08]} 3. e5 {[%emt 0:00:05]} Bf5 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:00:03]} e6 {[%emt 0:00:15]} 5. Be2 {[%emt 0:00:07]} c5 {[%emt 0:00:16]} 6. c3 {[%emt 0:00:34]} Nc6 {[%emt 0:00:09]} 7. O-O {[%emt 0:00:27]} Nge7 {[%emt 0:00:48]} 8. Nh4 {[%emt 0:00:13]} h6 {[%emt 0:01:16]} 9. Nxf5 {[%emt 0:01:43]} Nxf5 {[%emt 0:00:09]} 10. g4 {[%emt 0:03:05]} Nh4 {[%emt 0:02:18]} 11. Be3 {[%emt 0:06:30]} Qb6 {[%emt 0:04:50]} 12. b3 {[%emt 0:07:05]} cxd4 {[%emt 0:00:42]} 13. cxd4 {[%emt 0:02:49]} Rc8 {[%emt 0:00:47]} 14. f4 {[%emt 0:04:41]} g5 {[%emt 0:07:17]} 15. fxg5 {[%emt 0:11:26]} hxg5 {[%emt 0:00:24]} 16. Nc3 {[%emt 0:04:42]} a6 {[%emt 0:04:03]} 17. Na4 {[%emt 0:01:33]} Qa7 {[%emt 0:03:54]} 18. Rc1 {[%emt 0:05:16]} b5 {[%emt 0:00:46]} 19. Nc5 {[%emt 0:00:41]} Ng6 {[%emt 0:12:23]} 20. a3 {[%emt 0:11:43]} Nf4 {[%emt 0:10:00]} 21. b4 {[%emt 0:05:50]} Bxc5 {[%emt 0:06:56]} 22. Rxc5 {[%emt 0:01:09]} Qe7 {[%emt 0:13:04]} 23. a4 {[%emt 0:03:29]} Na7 {[%emt 0:09:25]} 24. Rxc8+ {[%emt 0:03:57]} Nxc8 {[%emt 0:00:03]} 25. axb5 {[%emt 0:02:11]} axb5 {[%emt 0:01:49]} 26. Bxf4 {[%emt 0:01:32]} gxf4 {[%emt 0:00:08]} 27. Qc2 {[%emt 0:01:46]} Nb6 {[%emt 0:00:27]} 28. Qc6+ {[%emt 0:00:29]} Nd7 {[%emt 0:00:15]} 29. Bxb5 {[%emt 0:00:38]} Qxb4 {[%emt 0:00:33]} 30. Qxd7+ {[%emt 0:01:05]} Kf8 {[%emt 0:00:05]} 31. Qd6+ {[%emt 0:00:10]} Qxd6 {[%emt 0:00:08]} 32. exd6 {[%emt 0:00:07]} Rh3 {[%emt 0:00:43]} 33. Rc1 {[%emt 0:00:37]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.32"]
[White "Balseca Moreno, Diego"]
[Black "Durante, Aurelio"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2269"]
[BlackElo "1944"]
[Annotator "ChessBase"]
[PlyCount "32"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:06:08]} 2. Nf3 {[%emt 0:04:52]} Nc6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:00:03]} e5 {[%emt 0:00:09]} 5. Nb5 {[%emt 0:00:05]} a6 {[%emt 0:00:19]} 6. Nd6+ {[%emt 0:00:05]} Bxd6 {[%emt 0:00:07]} 7. Qxd6 {[%emt 0:00:04]} Qf6 {[%emt 0:00:12]} 8. Qa3 {[%emt 0:00:30]} Nge7 {[%emt 0:00:47]} 9. Nc3 {[%emt 0:00:12]} O-O {[%emt 0:01:10]} 10. Be3 {[%emt 0:00:10]} Rb8 {[%emt 0:00:49]} 11. O-O-O {[%emt 0:01:53]} b5 {[%emt 0:05:31]} 12. Qd6 {[%emt 0:01:17]} Qxd6 {[%emt 0:07:12]} 13. Rxd6 {[%emt 0:00:11]} f5 {[%emt 0:01:27]} 14. f3 {[%emt 0:03:31]} Rf6 {[%emt 0:02:21]} 15. Bc5 {[%emt 0:06:54]} Kf7 {[%emt 0:00:47]} 16. Nd5 {[%emt 0:06:50]} Re6 {[%emt 0:00:30]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.33"]
[White "Dabraccio, Guillermo"]
[Black "Palacio, Enzo"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "1591"]
[BlackElo "1896"]
[Annotator "NA RC"]
[PlyCount "106"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,102,0,-2,32767,-3,0,-13,0,3,32767,0,29,28,41,26,34,20,38,8,54,-14,0,0,-2,0,0,0,23,32767,32767,32767,14,22,17,18,20,1,18,1,32767,0,32767,32767,0,0,0,32767,32767,32767,32767,-81,32767,-162,-157,-154,-160,32767,-141,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,-168,-164,32767,32767,32767,32767,32767,-241,-191,-162,-178,-183,32767,32767,32767,32767,32767,-303,-347,-381,-303,-563,-645]} 1. d4 {[%emt 0:05:28]} Nf6 {[%emt 0:00:02]} 2. Nc3 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 3. Bg5 {[%emt 0:00:07]} Nbd7 {[%emt 0:02:39]} 4. Qd3 {[%emt 0:01:37]} h6 5. Bh4 e6 {[%emt 0:04:55]} 6. e4 {[%emt 0:01:54]} dxe4 {[%emt 0:00:10]} 7. Nxe4 {[%emt 0:00:42]} Be7 8. Nxf6+ Nxf6 {[%emt 0:00:10]} 9. Be2 {[%emt 0:11:45]} Qd6 {[%emt 0:09:02]} 10. c3 {[%emt 0:10:51]} a6 {[%emt 0:04:20]} 11. Nf3 O-O {[%emt 0:05:21]} 12. Ne5 {[%emt 0:10:08]} c5 $1 {[%emt 0:08:42]} 13. Nc4 {[%emt 0:00:51]} (13. Bg3 $5 {[%cal Re5g6]}) 13... Qc7 $1 {[%emt 0:04:35]} 14. Bg3 {[%emt 0:00:14]} Qd8 {[%emt 0:08:12]} 15. Rd1 {[%emt 0:08:09]} ({Better is} 15. Bf3 $1 $14) 15... b5 {[%emt 0:04:01]} 16. Qf3 {[%emt 0:19:02]} Nd5 {[%emt 0:00:08]} 17. Ne5 {[%emt 0:02:02]} Bb7 {[%emt 0:10:00]} 18. dxc5 {[%emt 0:00:18]} Qc8 {[%emt 0:00:22]} 19. c6 {[%emt 0:00:07]} Bxc6 {[%emt 0:00:06]} 20. Nxc6 {[%emt 0:00:24]} Qxc6 {[%emt 0:06:06]} 21. O-O {[%emt 0:01:21]} Rac8 {[%emt 0:00:28]} 22. Rfe1 {[%emt 0:04:20]} Bf6 {[%emt 0:12:33]} 23. Bf1 {[%emt 0:03:32]} Qb6 {[%emt 0:04:46]} 24. Qe4 g6 25. h4 {[%emt 0:01:13]} h5 {[%emt 0:01:19]} 26. Bd3 {[%emt 0:03:12]} Rfd8 {[%emt 0:02:38]} 27. Be5 {[%emt 0:01:10]} Qc5 {[%emt 0:02:18]} 28. Qf3 {[%emt 0:05:06]} Bxh4 29. g3 {[%emt 0:00:21]} Bg5 {[%emt 0:05:42]} 30. Kg2 {[%emt 0:00:33]} ({Better is} 30. a4 $15) 30... Ra8 {[%emt 0:04:15]} 31. Rh1 $2 {[%emt 0:01:55] [#]} (31. Be4 $11 {and White is okay.}) 31... Ne3+ $1 {[%emt 0:01:00]} 32. fxe3 {[%emt 0:01:19]} Qxe5 {[%emt 0:01:05]} 33. Rhf1 {[%emt 0:02:49]} Rf8 {[%emt 0:02:26]} 34. Be4 {[%emt 0:00:31]} Rab8 {[%emt 0:01:36]} 35. Rfe1 {[%emt 0:03:15]} Rbd8 {[%emt 0:00:53]} 36. Rd4 {[%emt 0:01:15]} Rxd4 {[%emt 0:02:38]} 37. cxd4 {[%emt 0:00:11]} Qc7 {[%emt 0:00:45]} 38. Re2 {[%emt 0:00:56]} Rc8 {[%emt 0:00:56]} 39. Bd3 {[%emt 0:01:12]} Qd6 {[%emt 0:00:27]} 40. Qf2 {[%emt 0:01:06]} Qd5+ {[%emt 0:00:48]} 41. Qf3 {[%emt 0:00:42]} Qxa2 {[%emt 0:00:25]} 42. Rf2 {[%emt 0:00:04]} Qd5 {[%emt 0:00:36]} 43. Be4 {[%emt 0:00:17]} Qd7 {[%emt 0:00:14]} 44. Bb7 {[%emt 0:00:30]} Rb8 {[%emt 0:00:55]} 45. Bc6 {[%emt 0:00:44]} Qe7 {[%emt 0:00:15]} 46. d5 {[%emt 0:00:17]} exd5 {[%emt 0:00:45]} 47. Bxd5 {[%emt 0:00:13]} Rf8 {[%emt 0:00:02]} 48. b4 {[%emt 0:00:16]} Kg7 {[%emt 0:00:21]} 49. Bb7 {[%emt 0:01:03]} (49. Qe4 {keeps fighting.}) 49... Qxb4 {[%emt 0:00:49]} ({Worse is} 49... Bxe3 50. Re2 $17) 50. Bxa6 {[%emt 0:00:18]} Qc5 {[%emt 0:00:35]} 51. e4 $2 {[%emt 0:01:10]} (51. Qe4) 51... Qc6 $19 {[%emt 0:00:24]} 52. Ra2 {[%emt 0:00:34]} Ra8 {[%emt 0:00:27]} 53. e5 Rxa6 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.34"]
[White "Avedisian, Alexander"]
[Black "Shih Ferreira, Yin Chieh"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1875"]
[BlackElo "1463"]
[Annotator "NA"]
[PlyCount "81"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 Nf6 2. g3 {[%emt 0:00:43]} d5 {[%emt 0:00:48]} 3. Bg2 {[%emt 0:00:12]} e6 {[%emt 0:00:28]} 4. O-O {[%emt 0:00:14]} Be7 {[%emt 0:00:07]} 5. d3 {[%emt 0:00:08]} O-O {[%emt 0:00:11]} 6. Nbd2 {[%emt 0:00:05]} Nbd7 {[%emt 0:00:34]} 7. e4 {[%emt 0:00:11]} c6 {[%emt 0:08:24]} 8. Re1 {[%emt 0:00:32]} h6 {[%emt 0:03:49]} 9. e5 {[%emt 0:00:09]} Nh7 {[%emt 0:00:16]} 10. Nf1 Re8 {[%emt 0:16:45]} 11. h4 {[%emt 0:04:03]} f6 {[%emt 0:00:29]} (11... b5 $14 {is superior.}) 12. exf6 {[%emt 0:00:38]} (12. Ne3 $16) 12... Ndxf6 {[%emt 0:00:06]} 13. N1h2 {[%emt 0:02:22]} Bd6 {[%emt 0:01:07] [#]} 14. Ne5 {[%emt 0:02:31]} ({White should play} 14. d4 $1 $16) 14... Bxe5 {[%emt 0:05:06]} 15. Rxe5 {[%emt 0:00:10]} Nd7 {[%emt 0:00:15]} (15... Nf8 $1 $11) 16. Re1 {[%emt 0:04:50]} Nhf6 {[%emt 0:07:29]} 17. Ng4 {[%emt 0:01:27]} Kh7 {[%emt 0:09:27]} ({Better is} 17... e5 $14) 18. Ne5 {[%emt 0:02:13]} Nxe5 19. Rxe5 $11 {[%emt 0:02:21]} Nd7 {[%emt 0:02:22]} 20. Rh5 {[%emt 0:10:46]} (20. Re3 $16) 20... Nf6 {[%emt 0:10:20]} ({Black should play} 20... e5 $1 $15 21. Qe2 Qe7) 21. Bg5 {[%emt 0:02:47]} Kg8 {[%emt 0:00:40]} (21... e5 $15 22. Qf3 Rf8) 22. Bxf6 {[%emt 0:01:39]} Qxf6 {[%emt 0:00:04]} 23. d4 $1 {[%emt 0:00:59]} e5 $11 {[%emt 0:01:27]} 24. dxe5 {[%emt 0:06:01]} Rxe5 {[%emt 0:00:10]} 25. Rxe5 {[%emt 0:00:38]} Qxe5 {[%emt 0:08:45]} 26. Qe1 Qxb2 27. Qe8+ {[%emt 0:03:21]} Kh7 {[%emt 0:00:39]} 28. Re1 {[%emt 0:00:13]} Qxa2 {[%emt 0:09:22]} 29. c3 {[%emt 0:02:33]} Qa3 {[%emt 0:12:09]} 30. h5 {[%emt 0:00:35]} Bd7 {[%emt 0:02:12]} 31. Qxa8 {[%emt 0:03:11]} Qxc3 {[%emt 0:00:32]} 32. Re7 {[%emt 0:00:23]} Qc1+ {[%emt 0:00:27]} 33. Kh2 {[%emt 0:00:14]} Qg5 {[%emt 0:00:06]} 34. Rxd7 {[%emt 0:00:21]} Qxh5+ {[%emt 0:01:52]} 35. Bh3 {[%emt 0:00:12]} Qf3 {[%emt 0:01:04]} 36. Qxb7 {[%emt 0:01:35]} Qxf2+ {[%emt 0:00:27]} 37. Bg2 {[%emt 0:00:10]} Qf6 {[%emt 0:00:32]} 38. Qxa7 {[%emt 0:00:41]} h5 {[%emt 0:00:26]} 39. Rf7 {[%emt 0:01:01]} Qg6 {[%emt 0:00:09]} 40. Bh3 {[%emt 0:01:14]} Qc2+ {[%emt 0:00:16]} 41. Rf2 {[%emt 0:00:34]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.35"]
[White "Cardozo, Camila"]
[Black "Quevedo, Andreina"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1589"]
[BlackElo "1867"]
[Annotator "NA RC"]
[PlyCount "92"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,88,25,15,32767,23,27,14,42,15,34,-16,0,32767,6,-14,0,13,37,8,39,10,7,0,25,-16,8,0,4,14,53,18,11,7,17,-12,56,65,75,68,87,32767,32767,0,19,32767,32767,32767,32767,32767,32767,12,95,32767,32767,85,163,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,-106,32767,32767,32767,32767,32767,-392,-193]} 1. d4 {[%emt 0:01:00]} f5 {[%emt 0:00:32]} 2. Nf3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:15]} 3. Bf4 {[%emt 0:01:33]} g6 {[%emt 0:01:06]} 4. e3 {[%emt 0:01:01]} Bg7 5. Bc4 {[%emt 0:02:18]} e6 {[%emt 0:04:03]} 6. a3 {[%emt 0:05:51]} O-O {[%emt 0:02:24]} 7. Ba2 {[%emt 0:01:07]} Kh8 {[%emt 0:04:05]} (7... d6 $11 {is more appropriate.}) 8. c4 {[%emt 0:01:05]} d6 {[%emt 0:04:36]} 9. h3 {[%emt 0:01:51]} (9. Nc3 $14) 9... Qe7 {[%emt 0:03:51]} 10. Nc3 {[%emt 0:02:25]} b6 {[%emt 0:03:30]} 11. O-O {[%emt 0:05:09]} Bb7 {[%emt 0:01:12]} 12. Rc1 {[%emt 0:07:56]} a6 {[%emt 0:09:24]} (12... Nbd7 $11) 13. b4 {[%emt 0:12:28]} Nbd7 {[%emt 0:03:17]} 14. d5 {[%emt 0:09:30]} e5 {[%emt 0:02:01]} 15. Bh2 {[%emt 0:01:32]} h6 {[%emt 0:10:12]} 16. Na4 {[%emt 0:03:50]} (16. Qe2 $142) 16... c5 {[%emt 0:27:25]} 17. dxc6 {[%emt 0:08:15]} Bxc6 {[%emt 0:00:09]} 18. Nc3 {[%emt 0:01:33]} g5 {[%emt 0:05:03]} ({Black should play} 18... Rfc8 $11) 19. Nd5 {[%emt 0:04:29]} (19. Bb1 $5 {[%cal Rb1f5]}) 19... Nxd5 {[%emt 0:00:09]} 20. cxd5 {[%emt 0:00:06]} Bb5 {[%emt 0:00:11]} 21. Re1 {[%emt 0:01:38]} g4 {[%emt 0:03:03]} (21... Nf6 $11) 22. hxg4 {[%emt 0:05:05]} fxg4 {[%emt 0:00:06]} 23. Nd2 $1 {[%emt 0:01:14]} Nf6 {[%emt 0:04:35]} 24. e4 Qf7 {[%emt 0:02:01]} 25. Nc4 {[%emt 0:07:43] [#]} (25. Bg3 $1 $14) 25... Bxc4 {[%emt 0:02:16]} (25... Nxe4 $1 $15 26. Qc2 (26. Rxe4 Qxf2+) 26... Bxc4 27. Bxc4 {[#]} g3 $1 28. Bxg3 Nxg3 29. fxg3 b5) 26. Bxc4 {[%emt 0:05:42]} b5 {[%emt 0:00:05]} 27. Bd3 {[%emt 0:02:07]} Rac8 {[%emt 0:02:53]} 28. Qd2 {[%emt 0:01:33]} Qd7 {[%emt 0:01:28]} 29. a4 {[%emt 0:05:41]} (29. Qe3 $14) 29... Kh7 {[%emt 0:03:09]} (29... bxa4 $11 30. Rxc8 Rxc8) 30. Qe3 {[%emt 0:00:46]} Qb7 {[%emt 0:00:21]} 31. a5 {[%emt 0:04:59]} Kg6 {[%emt 0:00:22]} ({Black should try} 31... Rxc1 $14 32. Rxc1 Rc8) 32. Qb6 {[%emt 0:01:14]} Qxb6 {[%emt 0:00:47]} 33. axb6 {[%emt 0:00:06]} Rxc1 {[%emt 0:00:33]} 34. Rxc1 {[%emt 0:00:09]} Rb8 {[%emt 0:00:06]} 35. Rc6 {[%emt 0:00:57]} Bf8 {[%emt 0:00:01]} 36. b7 {[%emt 0:02:35]} Rxb7 {[%emt 0:00:25]} 37. Rxa6 {[%emt 0:00:17]} Kf7 {[%emt 0:00:47]} 38. Ra5 {[%emt 0:00:51]} Ke7 {[%emt 0:00:54]} 39. f3 {[%emt 0:00:37]} h5 {[%emt 0:00:59]} 40. Bxb5 {[%emt 0:00:42]} Bh6 {[%emt 0:00:13]} 41. Bc6 {[%emt 0:00:52]} (41. Kf1 $11 {remains equal.}) 41... Be3+ {[%emt 0:00:34]} 42. Kf1 Rxb4 43. Ke2 {[%emt 0:00:46]} Bc5 {[%emt 0:00:38]} 44. Ra2 $19 {[%emt 0:00:26]} (44. Bxe5 $1 $11 Nxe4 45. Bxd6+ Kxd6 46. fxe4 Rxe4+ 47. Kd3 Rd4+ 48. Kc3) 44... Rb3 {[%emt 0:00:29]} (44... h4 $142 45. fxg4 Nxg4 46. Bxe5 Nxe5) 45. fxg4 {[%emt 0:00:51]} hxg4 {[%emt 0:00:18]} 46. Ra8 {[%emt 0:00:34]} g3 {[%emt 0:00:26]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.16"]
[Round "6.36"]
[White "Kulik, Nicolas"]
[Black "Martinez Alvarez, Mateo"]
[Result "0-1"]
[ECO "B96"]
[WhiteElo "1775"]
[BlackElo "1093"]
[Annotator "NA RC"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:01:28]} 2. Nf3 {[%emt 0:00:05]} d6 {[%emt 0:00:22]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:17]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:15]} 5. Nc3 {[%emt 0:00:03]} a6 {[%emt 0:00:12]} 6. Bg5 {[%emt 0:00:07]} e6 {[%emt 0:00:18]} 7. f4 {[%emt 0:00:04]} h6 {[%emt 0:00:39]} 8. Bh4 {[%emt 0:00:40]} Nbd7 {[%emt 0:00:31]} 9. Qf3 {[%emt 0:02:40]} e5 {[%emt 0:01:13]} 10. Bxf6 {[%emt 0:04:32]} Nxf6 {[%emt 0:02:25]} 11. Nde2 {[%emt 0:02:35]} Be7 {[%emt 0:16:12]} 12. f5 {[%emt 0:03:18]} Qa5 {[%emt 0:02:23]} 13. O-O-O {[%emt 0:04:55]} b5 {[%emt 0:00:17]} 14. Kb1 {[%emt 0:00:37]} Bb7 {[%emt 0:01:03]} 15. a3 {[%emt 0:04:33]} Rc8 {[%emt 0:02:36]} 16. Ng3 {[%emt 0:06:24]} O-O 17. Nh5 {[%emt 0:11:23]} Nxh5 {[%emt 0:07:30]} 18. Qxh5 {[%emt 0:00:04]} Rxc3 {[%emt 0:00:30]} 19. bxc3 {[%emt 0:00:02]} Bxe4 {[%emt 0:01:27]} 20. Qg4 {[%emt 0:03:06]} d5 {[%emt 0:00:35]} 21. f6 {[%emt 0:00:42]} Bxf6 {[%emt 0:00:30]} 22. Bd3 {[%emt 0:00:28]} Bxd3 {[%emt 0:02:46]} 23. cxd3 {[%emt 0:01:40]} Qxc3 24. Qb4 Rc8 {[%emt 0:04:02]} 25. Qxc3 {[%emt 0:04:22]} Rxc3 26. Kb2 {[%emt 0:02:48]} e4 {[%emt 0:00:17]} 27. dxe4 {[%emt 0:00:56]} dxe4 {[%emt 0:01:13]} 28. Rd2 {[%emt 0:01:55]} Rd3+ {[%emt 0:00:22]} 29. Kc2 {[%emt 0:00:07]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.1"]
[White "Coro, Lucas"]
[Black "Delgado Ramirez, Neuris"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2355"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,32,0,21,0,0,0,0,0,40,4,2,0,0,0,0,0,14]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. Nd5 Nf6 9. Bg5 Bxd5 10. Bxf6 {B33: Sicilian: Pelikan and Sveshnikov Variations.} Qa5+ ({Don't take} 10... gxf6 11. Qxd5 Qd7 12. Rd1 $14) 11. c3 Be6 12. Bg5 {[#]} Qc7 $146 ({Predecessor:} 12... Be7 13. Bxe7 Kxe7 14. Bc4 g6 15. O-O Rad8 16. Bd5 Bxd5 17. exd5 Nb8 18. f4 Nd7 {0-1 (35) Fernandez,D (2465)-Dardha,D (2516) Novi Sad 2021}) 13. Nc4 b5 {The position is equal.} 14. Ne3 Be7 15. Bxe7 Nxe7 16. g3 O-O {A balanced but interesting game.  Weighted Error Value: White=0.08 (flawless) /Black=0.09 (flawless)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.2"]
[White "Lopez Azambuja, Nicolas"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2318"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,67,37,54,40,41,41,45,38,45,43,45,45,40,41,44,34,63,64,55,27,96,96,103,100,106,106,111,112,142,149,137,82,195,193,192,172,168,148,158,64,83,67,584,77,80,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Bg5 h6 10. Be3 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1.} Ng4 11. Bd2 f5 12. Nh4 {White is slightly better.} Nf6 13. exf5 g5 {is the legacy move (13...gxf5).} 14. Ng6 Nxg6 15. fxg6 Bf5 {To avoid Bd3} 16. Be3 {[#]} b6 $146 ({Predecessor:} 16... Bxg6 17. c5 b6 18. cxb6 axb6 19. Rc1 Qd7 20. a4 Kh8 21. Bb5 Qc8 22. b3 Rf7 {½-½ (47) Mayer,R (2478)-Haugen,A (2521) ICCF email 2010}) 17. Bd3 e4 18. Bc2 a6 (18... Qe8 $11) 19. Bd4 $16 {White is more active.} Bxg6 20. Qd2 Qd7 21. Rae1 b5 22. Nxe4 Bxe4 23. Bxe4 bxc4 24. Bb1 ({White should try} 24. Bf3) 24... Nh5 (24... Rae8 $16 {was necessary.}) 25. Bxg7 Qxg7 26. Qe2 {[%csl LRc4,LRh5]} Nf4 27. Qxc4 Qf7 {[%cal Of4g2]} 28. Bc2 (28. f3 $16) 28... Nxg2 $1 $14 {[%mdl 64] Decoy} 29. Kxg2 Qf3+ 30. Kg1 {Hoping for Re3.} Rf4 {[#]} 31. Re4 ({White should play} 31. Bd1 $1 $16 {[%cal Rd1f3]} Qxd1 {[#]} 32. Qxf4 $1 Qxe1 33. Qxg5+ $1 (33. Rxe1 gxf4 34. Re7 Rb8 $16) 33... hxg5 34. Rxe1) 31... Qg4+ $11 {The position is equal.} 32. Kh1 Qf3+ 33. Kg1 Qg4+ 34. Kh1 {Weighted Error Value: White=0.16 (very precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.3"]
[White "Hungaski, Robert"]
[Black "Lima, Darcy"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2537"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,114,31,29,37,31,25,25,14,28,7,23,0,0,0,0,0,0,0,18,-18,-26,-13,0,0,0,0,0,0,0,0,0,0,0,-16,0,-16,0,-33,0,0,0,0,0,0,0,8,47,56,50,74,38,8,10,0,15,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,443,408,395,145,312,54,75,47,79,75,155,47,168,27,42,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. Re1 Ne4 8. Nxe4 Bxe4 9. d3 Bb7 10. e4 c5 11. d4 cxd4 12. Nxd4 d6 {12...d6 has become a bit dusty these days.} 13. b3 {A17: English Opening: 1...Nf6 with ...Bb4.} Nd7 14. Bb2 a6 15. Qd2 {White has an edge.} Qc7 16. f4 Rfe8 17. Rad1 b5 18. cxb5 axb5 19. a3 Qb6 20. Kh1 {[#]} Nf6 $146 ({Predecessor:} 20... Rec8 21. b4 Nf6 22. Qe3 Rc4 23. Nf5 Qxe3 24. Nxe7+ Kf8 25. Rxe3 Kxe7 26. Bxf6+ gxf6 {½-½ (36) Guido,A (2160)-Mueller,W (2267) ICCF email 2002}) 21. b4 (21. Qe2 $5 {[%cal Re2b5]}) 21... Rac8 22. Nb3 e5 23. fxe5 dxe5 24. Bxe5 Bxb4 25. axb4 {[#] Bd4 is the strong threat.} Rxe5 26. Nc5 h5 27. h3 Rce8 {[%cal Rb7e4,Bc8e8,Be8e7,Be7a7][%mdl 32]} 28. Qf2 Ba8 29. Rf1 R5e7 30. Ra1 {[%cal Oa1a8]} Ra7 31. Qf4 Ree7 32. Kh2 Rxa1 33. Rxa1 Ra7 34. Rd1 Ne8 (34... Ra2 {with more complications.} 35. Kg1 Bc6 36. Qd6 Kh7 37. Kh1 Ne8) 35. Qe5 {[%csl LRe8,LRh5]} Nf6 36. Rd2 {Prevents Ra2.} Bc6 37. Qd6 Ne8 $1 38. Qe5 g6 39. Qf4 Re7 40. e5 Bxg2 41. Rxg2 Qc7 42. Re2 Nd6 43. Qf6 Nf5 44. Rd2 h4 {Strongly threatening ...Kh7.} 45. g4 Ne3 46. Kh1 {Hoping for e6.} Nc4 47. Ra2 {Ra8+ would kill now.} Re8 {Inhibits Ra8.} 48. e6 {Black must now prevent Rf2.} Ne5 $2 {[%mdl 8192]} (48... Qe7 $1 $11 {and Black is okay.} 49. Rf2 (49. exf7+ Qxf7 50. Qxf7+ Kxf7 $11) 49... Qxf6 50. Rxf6 fxe6) 49. Re2 (49. Ra6 fxe6 50. Kg1 (50. Rxe6 Rxe6 51. Nxe6 Qc1+ 52. Kg2 Qd2+ 53. Kf1 Qd3+ 54. Kf2 Qg3+ 55. Ke2 Qg2+ 56. Kd1 Qh1+ 57. Ke2 Qg2+ 58. Kd1 Qh1+ 59. Ke2 Qg2+ $11) 50... Qg7 51. Qxg7+ (51. Rxe6 Rxe6 52. Qxe6+ Nf7 $11) (51. Ne4 Qb7 $11) 51... Kxg7 $11) 49... Nc4 (49... Qc6+ $2 50. Kg1 Qd5 51. Rxe5 $18) 50. Qxh4 $2 $40 {[%mdl 128] White goes for the king.} (50. Re4 $18 {is more deadly.}) 50... fxe6 $2 {[#]} (50... Qc6+ $16 {keeps fighting.} 51. Kg1 Qf3) 51. Qf6 $2 ({Don't blunder} 51. Rxe6 $2 Rxe6 52. Nxe6 Qc6+ 53. Kh2 Qxe6 $19) (51. Ne4 $1 $18 {[%cal Re4f6] And now Nf6+ would win.} Kg7 52. Qf6+ Kh6 53. Qg5+ Kg7 54. Nf6 (54. Qxb5 Rf8 $18) (54. Qf6+ Kh6 $18)) 51... Qf7 $14 52. Rxe6 {White is more active.} (52. Rf2 {keeps more tension.} Rf8 53. Qxe6 Qxe6 54. Rxf8+ Kxf8 55. Nxe6+ Kf7 56. Nd4) 52... Qxf6 53. Rxf6 $16 {KRN-KRN} Re2 ({Better is} 53... Kh7) 54. g5 (54. Rxg6+ $16 Kf7 55. Rg5) 54... Ne5 (54... Kh7 $14) 55. Kg1 (55. Re6 $18 {[%cal Oc5d3] Threatens to win with Nd3!} Kf7 56. h4) 55... Rb2 56. Kf1 (56. Rf4 $14) 56... Rxb4 $11 57. Ke2 Rc4 {Weighted Error Value: White=0.31/Black=0.26 (precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.4"]
[White "Santiago, Yago De Moura"]
[Black "Vitoux, Colomban"]
[Result "1/2-1/2"]
[ECO "D16"]
[WhiteElo "2494"]
[BlackElo "2372"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,38,13,12,21,13,16,17,25,0,0,0,4,0,45,0,0,-16,-5,-18,0,0,0,-20,-20,-17,-20,-67,-68]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6 6. e3 c5 7. Bxc4 cxd4 {now supersedes 7...Nc6. D16: Slav Defence: 5 a4: Lines with 5...Bg4 and 5...Na6.} 8. exd4 Be7 9. O-O O-O {The position is equal.} 10. Qe2 Nc6 11. Rd1 Nb4 {Inhibits d5.} 12. Bg5 Bd7 (12... h6 $11 {is superior.} 13. Bh4 Bd7) 13. Ne5 (13. d5 $1 $14 exd5 14. Nxd5 Nbxd5 15. Bxd5) 13... Bc6 $11 14. Nxc6 bxc6 15. Bf4 Qa5 16. Be5 Rfd8 17. Ne4 Nxe4 18. Qxe4 Bd6 {[#]} 19. Rdc1 $146 (19. b3 $11) ({Predecessor:} 19. b3 Rd7 20. Bxd6 Rxd6 21. Qe5 Qd8 22. Rac1 a5 23. Rc3 {1-0 (55) Pridorozhni,A (2555)-Gordievsky,D (2406) Moscow 2012}) 19... Bxe5 {Weighted Error Value: White=0.15 (very precise) /Black=0.05 (flawless)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.5"]
[White "Ricardi, Pablo"]
[Black "Menna Barreto, Felipe Kubiaki"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2464"]
[BlackElo "2351"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,79,8,23,20,26,19,62,60,68,40,53,25,36,37,45,23,77,81,62,44,77,81,137,4,25,20,89,0,150,128,123,124,215,222,262,267,362,350,415,411,382,196,484,48,47,37,27,37,37,38,35,34,331,316,289,287,29989,29990,29990,29991,29992,29992,29992,29993,29993,29994,29996,29997]} 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. h3 Nf6 5. Nc3 O-O 6. Be2 a6 {is recently more successful than 6...c6.} 7. O-O Nc6 8. Bg5 {B08: Pirc Defence: Classical System.} b5 {[#]} 9. Bd3 $146 ({Predecessor:} 9. a3 Bb7 10. Qd2 e5 11. Rad1 Nxd4 12. Nxd4 exd4 13. Qxd4 h6 14. Bxf6 Qxf6 15. Qd3 Rfe8 16. Bf3 Re5 17. g3 Qe6 18. Bg2 {0-1 (37) Dragun,K (2561)-Shtembuliak,E (2620) Lichess.org INT 2020}) 9... Nd7 (9... Nb4 $11) 10. a4 {White is slightly better.} bxa4 11. Be3 (11. Rxa4 Nb6 $11) 11... e5 {[%cal Re5d4]} 12. d5 (12. Rxa4 Nb6 13. Bg5 f6 $17) 12... Nd4 13. Nxa4 f5 14. Bxd4 {Threatens to win with Be3.} exd4 (14... fxe4 $11 {remains equal.} 15. Bxe4 exd4) 15. exf5 $16 gxf5 16. Re1 Be5 17. Qd2 Kh8 (17... f4 $142) 18. Qg5 (18. Ng5 $16) 18... Qxg5 19. Nxg5 {Strongly threatening Ne6.} Nf6 (19... Rg8 $1 $11 20. Ne6 Nf6) 20. Ne6 ({White should play} 20. Nf3 $16) 20... Bxe6 (20... Rg8 $1 $11) 21. dxe6 {[%cal Oa4c5]} f4 22. Nc5 $36 {[%cal Oa1a6][%mdl 2048] White is really pushing. White is more active.} a5 {[#]} (22... Rfb8 $16 {keeps fighting.} 23. Ra2 (23. Nxa6 Rb7 $16) (23. Rxa6 Rxa6 24. Nxa6 Rxb2 $16) 23... a5) 23. Bb5 $1 $18 Rg8 (23... Kg7 24. Nd3) 24. Nd3 f3 25. g3 ({Weaker is} 25. Nxe5 Rxg2+ 26. Kh1 (26. Kf1 dxe5 27. Rxe5 c6 $11) 26... dxe5 $16) 25... Bxg3 26. fxg3 Rxg3+ 27. Kf2 (27. Kf1 $142) 27... Rag8 $2 (27... Rxh3 28. Rg1 Ne4+ 29. Kf1 Rh2) 28. e7 $2 (28. Nf4 $18) 28... Rxh3 $14 {( -> ...Rg2+)} 29. Rg1 {Prevents Rg2+.} Ne4+ 30. Kf1 {Chess con chili.} Nd2+ 31. Ke1 {White threatens Rxg8+ and mate.} Rxg1+ 32. Kxd2 Rg2+ {[%mdl 8192] [#] A mistake that costs the game.} (32... Rh2+ $14 33. Nf2 Rxf2+ 34. Kd3 Rg8) 33. Nf2 $1 $18 {[%mdl 512]} Rxf2+ {[%mdl 4096] Endgame KRR-KRB} 34. Ke1 Rfh2 $2 (34... Re2+ $18 35. Bxe2 f2+ 36. Kxf2 Re3 37. Rxa5 Kg7) 35. e8=Q+ {White mates.} Kg7 36. Qe7+ Kg6 37. Be8+ Kf5 38. Rxa5+ c5 39. Bd7+ Kf4 40. Qxd6+ {Weighted Error Value: White=0.45/Black=0.65} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.6"]
[White "Perdomo, Leandro"]
[Black "Vazquez, Facundo"]
[Result "1/2-1/2"]
[ECO "D26"]
[WhiteElo "2447"]
[BlackElo "2319"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,54,10,25,38,35,24,35,16,41,37,27,0,0,0,-15,-18,73,0,0,0,32,16,58,50,46,54,53,70,72,-8,-9,-8,-1,0,-12,-11,0,0,0,0,0]} 1. d4 d5 2. c4 dxc4 3. Nf3 e6 4. e3 Nf6 5. Bxc4 {[%cal Bf1c4,Bc4b3,Bb3c2][%mdl 32]} a6 6. O-O c5 7. Bb3 b5 8. a4 Bb7 $1 {[%mdl 4] outshines the older 8...b4.} 9. axb5 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} axb5 10. Rxa8 Bxa8 11. Qe2 {White is slightly better.} c4 12. Bc2 Nbd7 13. e4 Be7 14. Bg5 h6 15. Bh4 {[#]} Nb6 $146 {[#]} (15... O-O $11) ({Predecessor:} 15... O-O 16. Nc3 b4 17. e5 bxc3 18. exf6 Bxf6 19. Bxf6 Nxf6 20. bxc3 Qd5 21. Ra1 Rc8 {1-0 (59) Scholz,C (2382)-Cernousek,L (2408) Germany 2007}) 16. Nc3 (16. Na3 $1 $16) 16... b4 $11 17. Na4 Nfd7 (17... O-O $5 {[%cal Rb6a4]}) 18. Bxe7 (18. Nxb6 {feels hotter.} Nxb6 19. Bxe7 Qxe7 20. Ne5 b3 21. Nxc4 Qb4 22. Nxb6 Qxb6 23. Bd3) 18... Kxe7 (18... Qxe7 $11 19. Ne5 b3 20. Nxb6 Nxb6 21. Nxc4 Qb4 22. Nxb6 Qxb6) 19. Qd2 $14 c3 $1 (19... b3 $2 20. Qb4+ Ke8 21. Bb1 $16) 20. bxc3 {[%cal Oc3c4] Hoping for c4!} Nxa4 21. Bxa4 {Strongly threatening c4.} Bxe4 22. cxb4 (22. c4 $16 Bxf3 23. Qxb4+ (23. gxf3 Qb6 $16) 23... Kf6 24. gxf3) 22... Bxf3 $11 {The position is equal.} 23. gxf3 {[#]} Ne5 $1 24. Kg2 Qd5 25. Qc3 {[#]} Rc8 $1 26. Qxc8 Qxf3+ 27. Kg1 {White wants to mate with Qe8+.} Qg4+ {Weighted Error Value: White=0.16 (very precise) /Black=0.15 (very precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.7"]
[White "Labollita, Martin"]
[Black "Diaz Hollemaert, Nahuel"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2388"]
[BlackElo "2439"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,50,31,27,21,48,0,0,-16,-16,-25,-12,-12,-16,-19,-13,-21,-15,-40,-39,-33,-30,-31,-31,-18,-10,-24,-22,-24,-17,-14,-10,-22,-11,-24,-6]} 1. d4 g6 2. e4 d6 3. Nc3 Bg7 4. Be3 c6 5. Qd2 Nd7 6. Nf3 b5 7. Bd3 Ngf6 8. h3 O-O 9. O-O Qc7 10. Ne2 {B07: Pirc Defence: Miscellaneous Systems.} e5 11. c3 {[#]} (11. dxe5 $14 {deserves consideration.} Nxe5 12. Nxe5 dxe5 13. a4) 11... d5 $146 ({Predecessor:} 11... Re8 12. Ng3 a6 13. Bh6 Bh8 14. Rfe1 Nf8 15. Rad1 Be6 16. b3 Rad8 17. Ng5 Bc8 18. Nf3 Ne6 19. Bc2 {½-½ (19) Hoepfl,T (2288)-Jahnel,G (2270) Germany 2017}) 12. Nxe5 {The position is equal.} Nxe5 13. dxe5 Nxe4 14. Bxe4 dxe4 15. Ng3 Bxe5 {And now ...f5 would win.} 16. Nxe4 Bf5 17. f3 Rad8 18. Qf2 Bxe4 19. fxe4 Bg3 20. Qf3 Rd3 21. Rad1 Rfd8 22. Rxd3 Rxd3 23. Rd1 Rxd1+ 24. Qxd1 Be5 25. Kf1 Qe7 {Weighted Error Value: White=0.09 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.8"]
[White "Valerga, Diego"]
[Black "Michailov, Matias"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2431"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,-23,-4,-3,6,-17,0,-20,0,-18,22,1,12,12,35,27,73,66,76,68,80,35,47,37,45,44,51,48,41,27,29,35,48,52,122,125,147,130,141,87,138,158,205,202,383,389,408,322,403,379,361,286,931,924,894,413,411,379,558,0,0,-160,-191,-179,0,0,0,0,0,0,0,0,0,0,0,0,0,0,756,728,1139,894,803,674,29962,29965,29968,29967,29982,29983]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Qd3 Ne7 5. Bd2 b6 6. Nge2 {C15: French: 3 Nc3 Bb4: Unusual White 4th moves.} Ba6 7. Qf3 (7. Qg3 {is more complex.} O-O 8. exd5 Nxd5 9. O-O-O Bd6 10. Qh3) 7... Nbc6 8. O-O-O {[#] The position is equal.} Bxc3 $146 ({Predecessor:} 8... O-O 9. exd5 Bxe2 10. Nxe2 Qxd5 11. Qxd5 Bxd2+ 12. Rxd2 exd5 13. Nf4 Rad8 14. Bb5 a6 15. Bxc6 Nxc6 {½-½ (23) Jerez Perez,A (2356)-Barrero Garcia,C (2307) Cala Galdana 2001}) 9. Bxc3 Qd7 10. Qg3 O-O 11. f3 Bb5 12. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Kh8 (12... a5 $11 {should be considered.}) 13. h5 h6 14. Kb1 a5 15. Nc1 (15. Qf2 $16) 15... Bxf1 $14 16. Rhxf1 Na7 17. Nd3 Nb5 18. Bd2 Nc6 19. Ne5 Nxe5 20. dxe5 {[%cal Oc2c4]} d4 21. f4 f5 ({Better is} 21... Rg8 $14) 22. exf6 $1 $16 Rxf6 23. Qd3 c5 24. c4 (24. g4 $142) 24... Nc7 ({Black should try} 24... Na7) 25. g4 $1 {[%cal Bg2g4,Bg4g5][%mdl 32]} Na6 (25... Raf8 $16 {was worth a try.}) 26. a3 $18 b5 $2 (26... Raf8 27. Rg1 Nc7) 27. g5 (27. cxb5 c4 28. Qxc4 Rc8 $18) 27... Rf7 28. gxh6 Rb8 29. hxg7+ Rxg7 30. Rg1 (30. Bxa5 bxc4 31. Qxc4 Qb7 $18) 30... Rxg1 (30... b4 31. a4 b3) 31. Rxg1 bxc4 32. Qxc4 (32. Qg3 $142 {White threatens Qg5 and mate.} Qf7 33. f5) 32... Qb7 {[%csl Gb8][%cal Rb7b2]} 33. Qc2 {Hoping for Rg6.} c4 (33... Rg8 $142 34. Rxg8+ Kxg8) 34. Ka1 $2 (34. Rg6 $18) 34... Nc5 $11 35. Bc1 $2 {[#]} (35. b4 $11 Nb3+ 36. Ka2 Nxd2 37. Qxd2 Qxe4 38. f5) 35... c3 $1 $17 {Strongly threatening ...Nb3+.} 36. Rg6 {[#]} (36. bxc3 $2 d3 37. Qb2 Nb3+ 38. Kb1 d2 39. c4+ Kh7 40. Rg7+ Qxg7 $19) 36... Nb3+ $2 (36... Kh7 $1 $19 {White must now prevent ...Nb3+.} 37. Rg1 (37. bxc3 d3 38. Qb2 Nb3+ 39. Ka2 Nxc1+ 40. Qxc1 Qb3+ 41. Ka1 d2) 37... Nb3+ 38. Kb1 e5) 37. Kb1 $11 {[%cal Ba1b1,Bb1c1,Bc1d1,Bd1c2][%mdl 32] aiming for Rh6+.} Nd2+ (37... Nxc1 38. Rh6+ Kg8 39. b4 $18) 38. Bxd2 {The board is on fire.} Qxb2+ 39. Qxb2 Rxb2+ 40. Kc1 Rxd2 41. Rxe6 {[%mdl 4096] Endgame KR-KR} d3 42. Rd6 Rc2+ 43. Kd1 Ra2 $2 {[%mdl 8192]} (43... Rd2+ $11 44. Kc1 Rc2+ 45. Kd1 Rd2+ 46. Kc1) 44. Rxd3 $18 Rxa3 45. Kc2 Ra4 46. Re3 Rc4 47. f5 {White mates.} a4 48. e5 {[%cal Be4e5,Be5e6][%mdl 32]} a3 49. e6 {Weighted Error Value: White=0.41/Black=0.43} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.9"]
[White "Lujan, Carolina"]
[Black "Roselli Mailhe, Bernardo"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2334"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,98,39,23,31,25,27,30,31,33,32,26,23,20,21,2,0,0,0,0,0,0,-10,0,-9,-9,-12,-27,0,-5,-12,-35,-5,-6,-6,-25,-7,-5,16,16,14,-62,-41,-78,-63,-77,-72,-77,-77,-77,-77,-77,-77,-77,-77,-77,-77,-90,-97,-97,-97,-97,-97,-97,-97,-97,-97,-97,-97,-97,0,-97,-97,-97,-97,-97,-97,-104,-104,-104,-104,-104,-104,-104,-104,-104,0]} 1. e4 e6 2. d4 d5 3. Nd2 a6 4. Bd3 c5 5. dxc5 Bxc5 6. Ngf3 Nc6 7. O-O Nf6 8. exd5 exd5 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} 9. Nb3 Be7 10. h3 O-O {White has an edge.} 11. Re1 Re8 12. c3 Ne4 13. Bf4 Bf5 {[#]} 14. Nbd4 $146 ({Predecessor:} 14. Re3 Qb6 15. Qc2 Rad8 16. Nfd2 Bh4 17. Bxe4 Bxe4 18. Nxe4 dxe4 19. g3 g5 20. Rxe4 gxf4 21. Rxe8+ Rxe8 22. gxh4 {½-½ (34) Bobkov,A (2142)-Jimenez Melguizo,F (2091) ICCF email 2017}) 14... Bg6 15. Be3 Bd6 16. Nxc6 bxc6 17. c4 Rb8 18. cxd5 cxd5 19. Bxa6 Rxb2 20. Bd4 Rb8 (20... Rb4 $5 {[%cal Rb4d4]}) 21. Bf1 Bh5 22. Qd3 Bc7 23. Rac1 Ra8 24. Qc2 (24. a4 $5) 24... Bf4 25. Be3 $1 ({Wrong is} 25. Bb5 $2 Bxf3 26. gxf3 Qg5+ 27. Kh1 {[#]} Qh5 $1 28. fxe4 Qxh3+ 29. Kg1 Rec8 $19) 25... Qf6 26. Bxf4 Qxf4 27. Nh2 (27. Nd4 $11) 27... h6 $1 $36 {[%cal Oa8c8][%mdl 2048] And now ...Rac8! would win. Black fights for an advantage.} 28. g3 Qf6 {[%cal Oa8c8] Hoping for ...Rac8!} 29. Bg2 {[%cal Rg2e4]} Rac8 (29... Bg6 {with more complications.} 30. Ng4 Qa6 31. Qb2 Rab8 32. Qd4 Qxa2 33. Ra1 Qc4) 30. Rxe4 dxe4 31. Qxc8 Rxc8 32. Rxc8+ Kh7 {[%cal Oe4e3] ...e3! is the strong threat.} 33. Bxe4+ Bg6 34. Bxg6+ Qxg6 $17 {[%mdl 4096] Endgame KQ-KRN} 35. h4 Qb1+ 36. Nf1 Qxa2 37. Rc5 Qb1 38. Rc4 Qd1 39. Rf4 Kg8 40. Kg2 Qd5+ 41. Kg1 Qd1 42. Kg2 $1 h5 {Black is better.} 43. Ne3 Qb1 44. Kh2 g6 45. Kg2 Qa2 46. Kg1 Kg7 47. Kg2 Qa8+ 48. Kg1 Qa1+ 49. Kg2 Qa8+ {Weighted Error Value: White=0.07 (flawless) /Black=0.06 (flawless)} ({Better is} 49... f6 $17 50. Rc4 Qa8+ 51. Kh2 Qb7) 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.10"]
[White "Coppola, Claudio"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2285"]
[BlackElo "2403"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,87,68,61,58,56,52,54,66,82,82,82,74,63,68,70,82,79,92,75,94,91,95,41,61,61,48,38,57,9,16,4,31,24,26,0,0,0,37,37,37,37,37,37,37,42,136,136,122,45,200,208,208,187,226,220,295,289,416,416,863,854,831,791,727,727,29986,29987,29994,29995]} 1. d4 c5 2. d5 Nf6 3. c4 g6 4. Nc3 d6 5. Nf3 Bg7 6. g3 O-O 7. Bg2 e6 8. dxe6 Bxe6 9. Ng5 Nc6 10. Nxe6 fxe6 11. O-O Qe7 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} 12. Bf4 Rad8 13. Qd2 (13. Bg5 h6 14. Bd2 (14. Nd5 $2 exd5 15. Bxf6 Qxf6 $19) 14... d5 $11) 13... Nh5 {White is slightly better.} 14. Bg5 Bf6 15. Bh6 {This bishop pair is nice.} Bg7 16. Rad1 Bxh6 17. Qxh6 {[#]} Kh8 $146 ({Predecessor:} 17... Rd7 18. f4 Nd4 19. g4 Nf6 20. Qh4 a6 21. Rd2 Nc6 22. Rd3 Qg7 23. Bh3 Ne8 {1-0 (47) Tregubov,P (2475)-Brkljaca,A (2375) Nis 1993}) 18. b3 Ne5 {[%cal Of8f4]} 19. Qe3 {Inhibits Rf4.} Nf6 20. h3 (20. Qc1 {is more complex.} a6 21. h3 Nh5 22. Rd2 Kg8 23. Rfd1) 20... Nc6 {[%cal Be5c6,Bc6b4,Bb4a2][%mdl 32]} 21. Ne4 (21. Qc1 $16) 21... Nxe4 22. Qxe4 Rd7 23. e3 Qf6 24. f4 (24. Rd2 $14) 24... Rfd8 $11 25. Qc2 Nb4 26. Qe2 d5 27. e4 (27. a3 {with more complications.} Nc6 28. Rd3 b6 29. cxd5 exd5 30. Rfd1) 27... dxe4 {Strongly threatening ...Rxd1.} 28. Bxe4 Rxd1 (28... Nxa2 $5 {[%cal Ra2c3]} 29. Rxd7 Rxd7 30. Qxa2 Qd4+ 31. Qf2 Qxe4 $11) 29. Rxd1 Rxd1+ 30. Qxd1 Nxa2 31. Bxb7 Nc3 32. Qd6 g5 (32... Nd5 $14) 33. Bf3 $16 {White is more active.} gxf4 34. gxf4 (34. Qb8+ $16 Kg7 35. Qxa7+ Kg8 36. Qxc5) 34... Kg7 $2 {[#] A mistake that costs the game.} (34... Qd4+ $1 $14 35. Qxd4+ cxd4) 35. Qxc5 $18 Qxf4 36. Qxa7+ Kh6 37. Qf2 e5 38. Bg4 ({Weaker is} 38. Qb6+ Kg5 39. Qd8+ Kg6 40. Qd3+ e4 41. Qxc3 (41. Bh5+ Kxh5 42. Qxc3 e3 $11) 41... Qg3+ 42. Kf1 Qxh3+ 43. Kf2 Qh4+ 44. Ke3 exf3 $16) 38... Qc1+ (38... Kg5 $142 39. b4 Kf6 40. Qxf4+ exf4) 39. Kg2 {[%cal Rf2f6] [#]} Kg7 {Prevents Qf6+.} (39... Qg5 $142 40. Qe1 Na2) 40. Qa7+ Kh6 41. Qb6+ Kg5 42. Qd8+ ({Less strong is} 42. Qf2 Qf4 43. b4 Qe4+ 44. Kh2 Qf4+ 45. Kg1 Qd4 $18) 42... Kf4 43. Qf6+ Ke4 44. Bf5+ {Weighted Error Value: White=0.09 (flawless) /Black=0.47} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.11"]
[White "Carbone, Diego"]
[Black "Morovic Fernandez, Ivan"]
[Result "0-1"]
[ECO "D71"]
[WhiteElo "2272"]
[BlackElo "2498"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,62,8,23,0,1,-25,-17,-30,-14,-37,-28,-41,-43,-41,-46,-62,-59,-105,-125,-97,-110,-127,-112,-197,-191,-448,-436,-458,-458,-439,-472,-460,-456,-454,-454,-526,-526,-517,-502,-490,-483,-1091,-1047]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c6 7. O-O Qb6 8. h3 Qa6 9. b3 b5 10. Nd2 bxc4 11. Nxc4 Be6 12. Nd2 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} Nd5 {[#]} 13. Nxd5 $146 ({Predecessor:} 13. Ndb1 Nxc3 14. Nxc3 Nd7 15. Bb2 Rab8 16. Qd2 Rfc8 17. Rac1 Nb6 18. Kh2 Qa5 19. Rfd1 Qb4 20. Ne4 Qxd2 21. Rxd2 a5 22. Ng5 Bh6 23. f4 {½-½ (23) Gorelov,S (2430)-Titov,G (2380) Moscow 1986}) 13... Bxd5 14. Nf3 {The position is equal.} Nd7 15. Bb2 Qb7 16. Qc2 Nf6 {To avoid e4} 17. Rfe1 Be4 18. Qd2 a5 19. Nh4 {[#]} (19. Ba3 $15) 19... Bxg2 $1 $17 20. Nxg2 a4 21. bxa4 Rfb8 {Black is more active.} 22. Rab1 (22. Reb1 $17 {keeps fighting.}) 22... Rxa4 $19 23. Bc3 $2 (23. Nf4) 23... Qxb1 {Black is clearly winning.} 24. Rxb1 Rxb1+ 25. Kh2 Ne4 26. Qc2 {[#] Be1 is the strong threat.} Nxc3 27. Qxc3 Rxa2 28. Qxc6 Rxe2 29. Qa8+ Bf8 30. Qf3 Rd2 {Threatens to win with ...Rf1.} 31. d5 (31. Ne3 $142 Rxd4 32. Qe2) 31... Rf1 {Black took control after the opening.  Weighted Error Value: White=0.57/Black=0.02 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.12"]
[White "Pichuaga, Juan Pablo"]
[Black "Tristan, Leonardo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2030"]
[BlackElo "2561"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,58,-25,-19,-29,0,0,0,0,0,0,0,-1,25,25,18,-8,0,0,0,6,8,-28,-14,-18,-10,-104,-95,-114,-121,-124,-70,-166,-83,-88,-90,-177,-179,-219,-211,-2401,-2444,-2673,-2724,-2478,-2443,-2140,-2012,-1937,-1932,-1707,-1662]} 1. Nf3 d5 2. d4 Nf6 3. g3 Bf5 4. Bg2 e6 5. Nc3 h6 6. O-O {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} c5 $5 {[%mdl 4] An interesting side line.} 7. dxc5 Bxc5 {[#]} 8. Na4 $146 {The position is equal.} ({Predecessor:} 8. Nd4 Bxd4 9. Qxd4 Bxc2 10. Qc5 b6 11. Qb5+ Nbd7 12. Qb4 a6 13. b3 Nc5 14. Be3 {0-1 (44) Wittur,H (1918)-Birkenbeul,H (1534) Langenhagen 2009}) 8... Be7 9. c4 $1 O-O 10. cxd5 exd5 11. Nd4 Be4 12. Nc3 Bxg2 13. Kxg2 Nc6 14. b3 Qb6 15. Nf5 d4 16. Na4 Qd8 17. Nxe7+ (17. Bb2 $11 {remains equal.}) 17... Qxe7 $17 18. Bd2 Rfe8 $36 {[%mdl 2048] Black is in control.} 19. Re1 Qe4+ ({Black should try} 19... Rad8 $1 $17 20. Rc1 Rd5) 20. Kg1 {[#]} (20. f3 $15 Qf5 21. Rc1) 20... Qg4 (20... Qf5 $1 $19 {aiming for ...Ne5.} 21. f3 Rad8) 21. Kg2 Re5 {Strongly threatening ...Rh5. Black is much more active.} 22. f3 {[#]} (22. e4 $17) 22... Qe6 $1 $19 {Threatens to win with ...Re8.} 23. Nb2 Re8 {[%cal Re5e2]} ({And not} 23... Rh5 24. h4 $17) 24. Kf2 (24. Nc4 Rxe2+ 25. Rxe2 Qxe2+ 26. Kg1) 24... Qh3 {Black is clearly winning.} 25. Rh1 Rxe2+ 26. Qxe2 Rxe2+ 27. Kxe2 Qg2+ 28. Kd3 Qxf3+ 29. Kc2 Qe4+ {Weighted Error Value: White=0.54/Black=0.07 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.13"]
[White "Mateus, Martha"]
[Black "Spata, German"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2019"]
[BlackElo "2300"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,68,16,10,-24,-19,-66,-51,-100,-47,-56,-51,-48,-41,-52,-41,-49,-39,-41,-53,-53,-20,-20,-21,-31,-31,-27,-34,-29,-22,-59,-69,-160,-160,-158,-156,-207,-214,-181,-158,-166,-152,-151,-172,-166,-182,-425,-400,-747,-720,-743,-717,-29988,-29989]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bd3 O-O 8. O-O Nc6 9. cxd5 Nxd5 10. Ne4 {D42: Queen's Gambit Declined: Semi-Tarrasch: 5 cxd5 Nxd5 6 e3 Nc6 7 Bd3 .} b6 11. Bg5 (11. a3 $11) 11... Bb7 {[%cal Oc6d4] [#]} 12. Qd2 $146 (12. Bxe7 $15 {is more appropriate.} Ndxe7 13. Ng3) ({Predecessor:} 12. Bxe7 Qxe7 13. a3 Nf4 14. Rc1 Rfd8 15. Bb5 Nxd4 16. Nxd4 Bxe4 17. Bc6 Bxc6 18. Nxc6 {½-½ (38) Akhmedinov,S (1794)-Alimbetov,D Durban 2014}) 12... Bxg5 (12... f6 $17 13. Bf4 g5) 13. Nexg5 $15 h6 14. Ne4 Qe7 15. Rad1 Rfd8 16. Bb1 Rac8 17. Rfe1 Qb4 18. Nc3 Nf6 19. a3 Qd6 20. Ba2 Ne7 {[%cal Bc6e7,Be7d5,Bd5c3][%mdl 32] Hoping for ...Bxf3.} 21. Ne5 Ned5 22. Nb5 Qb8 23. f4 {[%cal Of4f5]} a6 24. Nc3 (24. Bxd5 $15 Nxd5 25. Nc3) 24... Nxc3 $17 25. bxc3 {[%cal Of4f5]} Ne4 26. Qe2 (26. Qc2 $17 Rxc3 27. Qb2) 26... Nxc3 $19 27. Qh5 Qc7 $36 {[%mdl 2048] Black is in control.} (27... Nxa2 28. Qxf7+ Kh8 29. Qxe6 $16 (29. Ng6+ Kh7 $15)) 28. Nxf7 Nxa2 29. Nxh6+ gxh6 30. Rxe6 {[#] And now Rg6+ would win.} Rd7 $1 {[%cal Bd8d7,Bd7h7,Bh7g7,Bg7g2][%mdl 32]} (30... Qxf4 31. Qg6+ Kf8 32. Rf1 $18) 31. Rxh6 $2 {[#]} (31. d5) 31... Rh7 $1 {Strongly threatening ...Qg7.} ({And not} 31... Qc2 32. Rh8+ Kg7 33. Qh6+ Kf7 34. Rh7+ Kg8 35. Rh8+ Kf7 36. Rh7+ Kg8 37. Rh8+ Kf7 $11) 32. Qg6+ (32. Re1 $142 Be4 33. Rxh7 (33. Rxe4 $2 Qc1+ 34. Kf2 Qd2+ 35. Qe2 Qxe2+ 36. Rxe2 Rxh6 $19) 33... Bxh7 34. h4) 32... Rg7 ({Stronger than} 32... Kh8 33. Re1 Rf8 34. Rxh7+ Qxh7 35. Qxh7+ Kxh7 36. Re7+ Kg6 37. Rxb7 $11) 33. Qe6+ Qf7 34. Qh3 Rxg2+ {Weighted Error Value: White=0.61/Black=0.06 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.14"]
[White "Torales, Agustin"]
[Black "Fernandez, Maria Florencia"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "1682"]
[BlackElo "2200"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,44,33,43,57,30,33,36,68,86,88,10,29,-54,-49,-49,-33,-177,-167,-175,-173,-202,-197,-198,-191,-236,-248,-405,-405,-465,-462,-438,-437,-1081,-1111]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Na6 7. O-O Nb4 {B09: Pirc Defence: Austrian Attack.} 8. Be2 c5 $1 9. d5 e6 {White is slightly better.} 10. a3 {Hoping for dxe6.} Na6 {[#]} 11. Bxa6 $146 (11. dxe6 $1 $16 Bxe6 12. Ng5) ({Predecessor:} 11. dxe6 Bxe6 12. Ng5 Nc7 13. Be3 Qe7 14. Nxe6 fxe6 15. Bf3 Rad8 16. Qe2 d5 17. Bc1 {½-½ (56) Can,E (2442)-Fier,A (2601) Bursa 2010}) 11... bxa6 $11 12. Qd3 (12. dxe6 $1 $11 Bxe6 13. Qe2) 12... exd5 13. Nxd5 Nxd5 14. exd5 {This move loses the game for White.} (14. Qxd5 $15 Rb8 15. c3) 14... Bf5 $19 15. Qxa6 Bxc2 16. Bd2 Bxb2 {A strong pair of Bishops.} 17. Ra2 Qf6 {[#] aiming for ...Bd4+.} 18. Qc4 (18. Bc1 {is a better defense.} Bd4+ 19. Kh1) 18... Bf5 19. Rxb2 $2 (19. Bc1 {might work better.} Qc3 20. Qxc3 Bxc3 21. Bb2) 19... Qxb2 20. Bc3 Qc2 {Black is clearly winning.} 21. Ne1 {Inhibits Bd3.} Qe4 22. Qa2 (22. Qxe4 $142 Bxe4 23. g3) 22... Qe3+ {Weighted Error Value: White=0.77/Black=0.04 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.15"]
[White "Muniz, Rafael"]
[Black "Araque, Jairo"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2194"]
[BlackElo "1970"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,0,14,0,29,12,37,46,42,37,31,13,13,0,0,0,0,0,0,-24,39,-11,0,-44,-19,-31,4,4,118,0,0,0,0,-110,-123,-243,-142,-159,-148,-131,-135,-230,-232,-220]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Na3 cxd4 7. cxd4 Bd7 8. Nc2 Rc8 9. Be2 Nh6 10. O-O Nf5 $1 11. Rb1 {C02: French: Advance Variation.} Be7 12. Kh1 {[#]} Na5 $146 ({Predecessor:} 12... a6 13. g4 Nh4 14. Nxh4 Bxh4 15. f4 Nb4 16. Nxb4 Qxb4 17. a3 Qb6 18. Rf3 g6 {1-0 (80) Lemke,B (1955)-Granz,T (1901) GER email 2018}) 13. g4 {White is slightly better.} Nh4 14. Nxh4 Bxh4 15. b3 Bb5 16. Ba3 Be7 17. Bxe7 Kxe7 18. Bxb5 Qxb5 19. Qd2 {Inhibits Rc3.} h6 (19... h5 $11) 20. Ne3 (20. a4 $14 Qb6 21. f4) 20... Nc6 21. Rbd1 (21. b4 $11 {deserves consideration.}) 21... Qa5 22. Qb2 Qb6 23. f4 h5 (23... Kd8 $11) 24. f5 ({White must play} 24. g5 $1 $16) 24... hxg4 $1 $11 25. Nxg4 Rh4 26. f6+ {[#]} (26. Rf4 $11 Rch8 27. fxe6 fxe6 28. Qf2 (28. Rdf1 Qb4 $14)) 26... gxf6 $1 $17 27. Qa3+ {[#]} (27. exf6+ $17 {might work better.} Kd7 28. Rg1) 27... Qb4 ({Better is} 27... Nb4 $1 $19 28. exf6+ (28. Nxf6 $2 Rc2 $19) 28... Kd8) 28. exf6+ Ke8 29. Qxb4 Nxb4 30. a3 (30. Rg1 $17 {keeps fighting.}) 30... Rxg4 $19 31. axb4 {Weighted Error Value: White=0.38/Black=0.23 (precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.16"]
[White "Carvalho, Guillermo"]
[Black "Montiel Caceres, Helen"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2171"]
[BlackElo "1625"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,33,0,0,-5,26,31,31,23,29,18,26,26,22,19,29,5,47,22,370,358,364,370,359,354,353,334]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 e6 4. e3 Bd6 5. Bd3 Bxf4 6. exf4 {D00: 1 d4 d5: Unusual lines.} c5 7. dxc5 Qc7 8. Qd2 {White is slightly better.} Qxc5 9. Nf3 Nc6 10. O-O O-O 11. Rfe1 {[#]} Rb8 $146 ({Predecessor:} 11... Bd7 12. Ne2 Rfd8 13. Ned4 Nxd4 14. Nxd4 b5 15. a3 a5 16. c3 Qb6 17. Nc2 Bc6 18. Qe3 Qb7 19. Qh3 g6 20. Qh4 Ne4 21. Rad1 {½-½ (21) Palac,M (2517)-Zelcic,R (2522) Zagreb 2021}) 12. Ne2 {[%cal Oe2d4]} Bd7 (12... Ne4 $11 13. Qe3 Qxe3 14. fxe3 Rd8) 13. h3 Na5 $2 {[%mdl 8192] [#] This costs Black the game.} (13... Ne4 $11 {and Black is okay.} 14. Bxe4 dxe4) 14. b4 $18 {White is winning.} Nc4 15. bxc5 Nxd2 16. Nxd2 Rfc8 17. Nb3 {Weighted Error Value: White=0.06 (flawless) /Black=0.61} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.17"]
[White "Granara Barreto, Sebastian"]
[Black "Garcia, Luis E."]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2131"]
[BlackElo "2192"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,105,17,0,6,34,0,0,-12,14,5,25,19,21,20,18,25,22,34,34,22,24,14,21,18,21,18,19,0,50,56,75,79,95,101,110,101,120,108,104,94,642,129,120,115,122,70,88,14,15,12,12,12,11,12,15,5,5,0,63,57,72,65,126,48,57,0,0,0,37,38,38,38,38,38,38,38,41,15,24,8,39,24,21,11,14,0,0,0,54,0,35,35,53,53,47,18,19,0]} 1. d4 Nf6 2. Bg5 Ne4 3. h4 d5 4. e3 Nd7 5. Bd3 {[#]} Nxg5 $146 ({Predecessor:} 5... Ndf6 6. Nd2 Bg4 7. Ne2 Bxe2 8. Qxe2 Nxg5 9. hxg5 Nd7 10. g6 Nf6 11. Nf3 Ne4 12. Rxh7 Rg8 13. gxf7+ Kxf7 14. Ne5+ Ke8 15. Bxe4 dxe4 16. Qc4 Qd6 17. Qf7+ {1-0 (17) Suleimanov,K (1795)-Chigarev,V (1661) Kirov 2018}) 6. hxg5 {[%cal Og5g6] Black must now prevent g6! A45: Trompowsky Attack.} g6 7. Nf3 {Inhibits e5.} Bg7 8. c3 c6 9. Nbd2 Qb6 10. Qb3 Qxb3 11. axb3 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. f4 Bg7 15. e4 h6 16. exd5 cxd5 17. Nf3 a6 18. O-O-O Be6 (18... hxg5 $11 19. Rxh8+ (19. fxg5 Rxh1 20. Rxh1 Ke7 $11) 19... Bxh8) 19. Rhe1 $14 {[%cal Od3g6]} O-O-O {[#]} 20. Bxg6 $1 d4 {[#]} (20... Rd6 21. Bc2) 21. c4 $1 Rd6 (21... Kc7 22. f5) 22. Bd3 {aiming for f5.} Bg4 23. Re7 Rd7 24. Rde1 {White is much more active. Black has bad knights.} Bxf3 $2 {[%mdl 8192] [#]} (24... hxg5 $16 25. fxg5 (25. Nxg5 f6 $14) 25... Kd8 26. Rxd7+ Kxd7) 25. gxf3 $2 (25. Bf5 $1 $18 {is the precise move to win.} Bc6 26. Rxf7 hxg5 27. fxg5) 25... Kd8 $16 26. Rxd7+ Kxd7 {[%mdl 4096] Endgame KRB-KRB} 27. Bf5+ ({Better is} 27. b4 $16) 27... Kd6 {[#]} 28. g6 (28. b4 $1 $16 {Hoping for c5+.} b6 29. g6) 28... fxg6 $1 $11 29. Re6+ Kc5 30. Rxg6 Bf8 31. Kc2 h5 $1 32. Bh3 Rh6 33. Rg5+ Kc6 (33... Kb4 $11) 34. Kd3 $14 Be7 35. Rd5 Bf6 (35... Bf8 $14) 36. Ke4 (36. b4 $16) 36... h4 37. Kf5 (37. b4 $14) 37... b5 $11 38. Ke4 d3 39. cxb5+ axb5 40. Rxd3 Bxb2 41. Kf5 Kc5 42. Kg5 Rh8 43. Rd2 Bc3 44. Rh2 Kd6 45. f5 Ke7 46. Re2+ Kf7 47. Ra2 {Strongly threatening Ra7+.} Bf6+ 48. Kf4 Bc3 ({Black should play} 48... Rd8 $11) 49. Rc2 (49. Ra7+ $14 Kf6 50. Ra6+ Kf7 51. Kg5) 49... b4 (49... Rc8 $5 {[%cal Rc3e5]} 50. Ra2 Re8 $14) 50. Ra2 Kf6 51. Ra6+ Kf7 52. Ra7+ Kf6 53. Ra6+ {Weighted Error Value: White=0.29 (precise) /Black=0.28 (precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.18"]
[White "Lavandeira, Juan Bautista"]
[Black "Guerrero, Alvaro"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1516"]
[BlackElo "2123"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,136,-6,0,-12,7,-10,4,-18,-10,-46,-11,-20,-19,-46,-33,-62,-16,-15,57,61,48,37,46,58,68,0,58,2,11,0,0,0,0,0,0,0,0,0,61,-189,-200,-184,-175,-985,-8,-22,26,-50,-26,-58,-23,-31,-17,-31,-8,-19,-19,-100,0,-57,0,-5,0,0,0,0,14,0,8,0,0,0,0,0,0,0,0,-18,-14,-15,0,0,5,5,392,385,385,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,52,8,983,0,7,0,7,0,0,0,0,0,0,0,0,0,0,0,637,447,447,0,8,7,8]} 1. d4 Nf6 2. Bg5 e6 3. Bxf6 Qxf6 4. Nf3 b6 5. e3 Bb7 6. Be2 {[#] A45: Trompowsky Attack.} d6 $146 ({Predecessor:} 6... Be7 7. Nbd2 d5 {½-½ (7) Henzner,R-Buchenau,G Doernigheim 1994}) 7. O-O Nd7 8. Nbd2 Be7 9. Rc1 O-O 10. c4 c5 11. a3 Rfd8 12. b4 cxd4 (12... Qg6 $15) 13. Nxd4 $11 d5 (13... Ne5 $11) 14. cxd5 $14 Bxd5 15. Bf3 (15. Bc4 {looks sharper.} Bb7 16. Bb5 Rab8 17. f4 Nf8 18. Bc6) 15... Ne5 16. Bxd5 Rxd5 17. Qb3 (17. f4 $14 Ng6 18. Ne4) 17... Qh6 (17... a5 $11) 18. N2f3 (18. f4 $14 Ng6 19. N2f3) 18... Bf6 19. Rc7 g5 {aiming for ...Nxf3+.} 20. e4 Rdd8 21. h3 g4 22. hxg4 Nxg4 23. Nc6 {[%csl LRa7,LRd8] Pair of Knights!} Rdc8 (23... Rd2 $11) 24. Ne7+ $2 (24. Rxc8+ $14 {was the only good move.} Rxc8 25. b5) 24... Bxe7 $19 25. Rxe7 Rc1 26. Rd1 (26. Qd3) 26... Rxd1+ $2 (26... Rd8 $19 27. Rf1 Rxf1+ 28. Kxf1 Qh1+ 29. Ng1 Nh2+ 30. Ke2 Qxg1 31. Re8+ Rxe8 32. Qg3+ Kf8 33. Qd6+ Kg7 34. Qg3+ Kf8 35. Qd6+ Kg8 36. Qg3+ Ng4 $1 {[%mdl 512]} 37. Qxg4+ Kf8) 27. Qxd1 $11 Qf4 (27... Qf6 $142 28. Rd7 Rc8) 28. Qd2 ({White should play} 28. g3 $11 Qf6 29. Rc7) 28... Qxe4 $15 29. Qg5+ Kf8 {( -> ...Qb1+)} (29... Kh8 $5 {[%cal Re4b1]} 30. Qc1 Qf5 $17) 30. Rc7 {White threatens Qe7+ and mate.} Qb1+ 31. Rc1 Qg6 (31... Qb2 {feels hotter.} 32. Rf1 Qg7 33. Qc1 Qf6 34. Qc7 h6) 32. Qxg6 hxg6 $11 {[%mdl 4096] Endgame KRN-KRN} 33. Rc7 {[#]} (33. Rc4 $11 {remains equal.} f5 34. Ng5) 33... Ke8 (33... a5 $1 $17 {[%cal Ra5b4] Hoping for ...axb4.} 34. b5 Rd8) 34. Kf1 (34. g3 $11) 34... b5 ({Black should try} 34... a5 $15 35. Ng5 axb4 36. axb4 Ra1+ 37. Ke2 Ra2+ 38. Kf3 Ne5+ 39. Ke3 Rb2) 35. Nd4 a6 36. Nc6 {Prevents Rd8.} Kf8 37. Ke2 Nh6 38. Ne5 Kg7 39. Ke3 a5 40. Rb7 axb4 41. axb4 Nf5+ 42. Kf4 Nd6 43. Rb6 Rd8 44. Nc6 Rh8 45. Ne5 Rh4+ 46. g4 f6 $2 {[%mdl 8192]} 47. Rxd6 $18 fxe5+ {KR-KR} 48. Kg3 $2 (48. Kg5 $18 Rh3 49. Rxe6) 48... Rh1 $11 49. Rxe6 Rb1 50. Rxe5 Rxb4 51. Re7+ Kf6 52. Rb7 Rb3+ 53. Kf4 Rb4+ 54. Kg3 Rb3+ 55. Kf4 Rb4+ 56. Kg3 Ke5 (56... g5 $11) 57. f4+ (57. Rb6 $14 {is superior.}) 57... Kf6 $2 {[%mdl 8192] [#]} (57... Ke6 $11) 58. Rb6+ $2 (58. g5+ $1 $18 Kf5 59. Rf7+ Ke4 60. Rf6) 58... Kf7 59. Rb7+ Kf8 60. g5 Rb1 61. Rb8+ Kf7 62. Rb7+ Ke6 63. Rb6+ Kf7 64. Rb7+ Ke6 65. Rb6+ Kf5 $2 {[%mdl 8192]} (65... Kf7 $11) 66. Rf6+ $18 Ke4 67. Rxg6 $2 (67. Re6+ $18 Kd4 68. Rxg6) 67... b4 {[%cal Bb5b4,Bb4b3][%mdl 32]} 68. Rb6 {And now Kg4 would win.} b3 {[%mdl 32768] Both players deserved the win here.  Weighted Error Value: White=0.60/Black=0.43. Loss on time!?} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.19"]
[White "Sanhueza, Cristian"]
[Black "Avedisian, Alexander"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2242"]
[BlackElo "1875"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,39,0,0,-20,-7,-21,9,11,66,5,52,43,67,94,134,128,123,50,30,-82,-78,-85,-91,-91,-94,-88,-80,-271,-293,-298]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nb3 Bg7 7. g4 {B34: Sicilian: Accelerated Dragon with 5 Nc3: sidelines.} O-O {[%cal Od7d5]} 8. g5 Ne8 9. h4 {[%cal Bh2h4,Bh4h5][%mdl 32] [#] The position is equal.} Nd6 $146 (9... h5 $11) ({Predecessor:} 9... Nc7 10. Bg2 e6 11. f4 d5 12. e5 b6 13. Be3 Qd7 14. Qg4 Ba6 15. O-O-O Ne7 {1-0 (31) Pitl,G (2387)-Ljubic,J (2213) Austria 2015}) 10. Bd3 (10. h5 $14) 10... Ne5 (10... a5 $11 {should be considered.}) 11. h5 $14 Nxd3+ 12. Qxd3 Bxc3+ 13. bxc3 {[#] And now Qh3 would win.} Qc7 14. Qh3 {White is more active.} ({White should try} 14. Bf4 $16) 14... Qc6 15. Nc5 Nxe4 $17 (15... Qxc5 16. hxg6 h5 17. Qxh5 Qxc3+ 18. Kf1 $18) 16. hxg6 Qxg6 17. Nd3 d6 18. Qh4 {[#] Black must now prevent Nf4.} e5 {Prevents Nf4. ...Bf5 is the strong threat.} 19. Ba3 $2 (19. f3 $17 {was necessary.} Nc5 20. Ba3) 19... Bf5 $19 ({Worse is} 19... Nxg5 20. O-O-O Nf3 21. Qh6 $17) 20. f3 {[%mdl 32768] Weighted Error Value: White=0.55/Black=0.16 (very precise) . An unexpected result.} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.20"]
[White "Curi, Gabriel"]
[Black "Boabaid, Jorge Alberto Duarde"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2205"]
[BlackElo "1756"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,71,43,44,32,52,51,100,70,66,49,121,128,114,126,106,63,71,69,68,70,106,52,63,56,58,59,114,86,83,48,198,167,193,196,259,143,268,261,238,257,259,270,263,265,432,391,386,22]} 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Be3 O-O 9. Nge2 Nbd7 10. Ng3 h5 11. Be2 Ne5 12. O-O a6 13. a4 Nh7 {13...Nh7 has lost popularity.} 14. Qd2 {A65: Modern Benoni: 6 e4.} Rb8 15. h3 {[#]} Qh4 $146 (15... h4 $14 16. Nh1 f5) ({Predecessor:} 15... h4 16. Nh1 f5 17. Nf2 Re8 18. Rab1 Qa5 19. b4 cxb4 20. Na2 Qxa4 21. Rxb4 Qd7 {½-½ (35) Walther,J (2193)-Gonzalez Gigato,J (2192) ICCF email 2018}) 16. Bf2 {White is better.} Qe7 17. f4 Bh6 ({Black should try} 17... h4 $1 $14) 18. Be3 $16 Nd7 19. e5 dxe5 20. f5 ({White should play} 20. d6 $16 Qh4 21. Nge4) 20... Bxe3+ $14 21. Qxe3 Qg5 22. Qf2 $36 {[%mdl 2048] Black is under pressure.} Qd2 {[#]} 23. Nge4 ({Better is} 23. Rad1 $1 $16 {[%cal Rd1d2]} Qh6 24. Nge4) 23... Qd4 24. Rad1 Qxf2+ 25. Rxf2 Nhf6 (25... Kg7 $14) 26. fxg6 fxg6 27. Ng5 {Hoping for Ne6. White is much more active.} b5 {Black cannot hold the game after this.} (27... Nh7 $14 28. Nf3 g5) 28. axb5 axb5 29. Ne6 ({Not} 29. Nxb5 Ba6 30. Nc7 Bxe2 31. Rxe2 Rb4 $11) ({But not} 29. Bxb5 Nh7 $16) 29... Rf7 {[#]} (29... c4 {keeps fighting.} 30. Rdf1 (30. Nxf8 Kxf8 31. g4 hxg4 $16) 30... Re8) 30. Bxb5 (30. Rdf1 $1 $18) 30... e4 (30... Ne8 $16 {might work better.}) 31. Rdf1 $18 {Black must now prevent Bxd7.} Rxb5 32. Nxb5 {Strongly threatening Nd6.} Ba6 33. Nec7 Bxb5 34. Nxb5 Kg7 $2 (34... e3) 35. Nc7 {[%cal Oc7e8] And now Ne8+! would win.} e3 36. Ne8+ $2 {[%mdl 32768] Weighted Error Value: White=0.23 (precise) /Black=0.44. Loss on time!?} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.21"]
[White "Durante, Aurelio"]
[Black "Castro, Cesar"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1944"]
[BlackElo "2097"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,19,41,-3,-3,-120,-120,-125,-117,-188,-184,-198,-193,-179,-183,-273,-188,-202,-176,-272,-236,-493,-486,-483,-412,-396,-415,-556,-456,-466,-453,-462,-450,-437,-462,-482,-408,-407,-398,-408,-398,-508,-497,-488,-487,-428]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nc6 5. d4 Bf5 6. Na3 {B22: Sicilian: 2 c3.} (6. Be3 $14) 6... cxd4 $11 7. Nb5 {[#]} (7. Nxd4 $11 {keeps the balance.} Nxd4 8. Bb5+ $1 Bd7 9. Qxd4 Qxd4 10. cxd4) 7... O-O-O $1 $17 {And now ...e5 would win.} 8. cxd4 {[#] Black is better.} e5 $1 {[%cal Re5d4]} 9. Qa4 (9. Bd2 $17 exd4 10. Qa4) 9... Bb4+ $19 (9... exd4 10. Bg5 Nf6 11. Rc1 $17) (9... Nxd4 10. Nfxd4 exd4 11. Nxa7+ Kb8 12. Nb5 Qe5+ 13. Be2 $16 (13. Kd1 $2 Bc5 $19)) 10. Bd2 Bxd2+ (10... Qe4+ 11. Be2 a6 12. Bxb4 $14) 11. Nxd2 {Rc1 is the strong threat.} a6 ({Much less strong is} 11... Nxd4 12. Rc1+ Nc2+ 13. Rxc2+ Bxc2 14. Qxc2+ Kb8 15. Qc7+ Ka8 16. Qa5 Qxd2+ 17. Qxd2 $18) ({Stronger than} 11... exd4 12. Nxa7+ Nxa7 13. Qxa7 $17) 12. Na3 (12. Nc3 $142 Qxd4 13. Nc4) 12... Qxd4 13. Qxd4 exd4 {[#]} 14. Nf3 $146 (14. Rc1 $142) ({Predecessor:} 14. Bc4 Re8+ 15. Kd1 Nh6 16. f3 Re7 17. Re1 Rhe8 18. Rxe7 Rxe7 19. Bd5 Bd3 20. Be4 Bxe4 21. Nxe4 {0-1 (68) Sadikov,A (1998)-Perovsek,M (1806) Gostovanja 2009}) 14... Nf6 {aiming for ...Rhe8+.} 15. Ng5 $2 (15. O-O-O {only move.}) 15... Rhe8+ 16. Kd1 h6 17. Nxf7 Rd7 18. Bc4 Bg6 19. Nh8 Rxh8 20. Be6 {To avoid Ng4} Kc7 21. Bxd7 Kxd7 ({Avoid the trap} 21... Nxd7 $2 22. h4 $19) 22. f3 Re8 23. Re1 Rxe1+ 24. Kxe1 Nd5 25. Nc4 b5 26. Nd2 Ncb4 {Threatens to win with ...Nc2+.} 27. Kf2 {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.58/Black=0.15 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.22"]
[White "Palacio, Enzo"]
[Black "Brizzi, Milagros Tatiana"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1896"]
[BlackElo "2063"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,70,46,62,8,16,0,0,-88,-83,-85,-56,-175,-172,-154,-156,-450,-426,-506,-454,-698,-677,-791,-775,-781,-635,-907,-620,-856,-962,-1054,-1083,-1060,-1065,-1075,-1073,-1075,-1075,-1821,-1798,-1980,-1949,-29977,-7756,-29992,-29991,-29991,-29992,-29993,-29994,-29994,-29995,-29995,-29996]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. Qe2 d6 7. O-O Nbd7 8. c4 Qc7 9. f4 Be7 10. Nc3 b6 11. g4 {B42: Sicilian: Kan Variation: 5 Bd3.} (11. a3 $14) 11... h6 $11 {[%cal Og7g5] [#]} 12. h4 $146 {To avoid g5} ({Predecessor:} 12. g5 hxg5 13. fxg5 Nh5 14. g6 Bf6 15. gxf7+ Kxf7 16. Nf3 Kg8 17. Nd1 Ne5 18. Nf2 {½-½ (91) Ratsma,R (2260)-Zwirs,N (2407) Belgium 2018}) 12... Bb7 {[%cal Og7g5]} 13. g5 (13. h5 $11 {remains equal.}) 13... hxg5 $17 14. hxg5 Nh5 {White must now prevent ...Ng3.} (14... Qc5 15. Be3 Nh5 16. Qh2 $16) 15. g6 ({White should try} 15. Qf2 $15) 15... O-O-O $19 (15... Ng3 16. gxf7+ Kxf7 17. Qg4 Nxf1 18. Qxe6+ Kf8 19. Qf5+ (19. Kxf1 Nc5 $17) 19... Kg8 20. Qe6+ Kf8 21. Qf5+ (21. Kxf1 Nc5 $17) 21... Kg8 22. Qe6+ Kf8 $14) 16. gxf7 {[#]} Nc5 ({But not} 16... Ng3 17. Qf3 Nxf1 18. Nxe6 $16 (18. Kxf1 $2 Nc5 $19)) 17. Rf3 $2 (17. Nxe6 $17 {was called for.} Nxe6 18. Nd5 (18. Qg4 Qd7 $19) 18... Bxd5 19. exd5) 17... Bf6 $1 {[%csl LRd4,LRf7]} 18. Qf2 Qxf7 19. Kf1 (19. Bf1 $142 Bxe4 20. Nde2 Qg6+ 21. Bg2) 19... e5 20. Nde2 Nxf4 21. Bxf4 exf4 22. Nd5 g5 {[%cal Bg7g5,Bg5g4][%mdl 32] aiming for ...Rh1+.} 23. Rd1 Rh1+ 24. Ng1 Rdh8 {Hoping for ...R8h2.} 25. Rd2 Be5 {[%cal Bf6e5,Be5h2,Bh2g1][%mdl 32] Threatens to win with ...g4.} 26. b4 Ne6 {...Bd4 is the strong threat.} 27. Bc2 g4 28. Rb3 f3 29. Nxb6+ Kb8 {Strongly threatening ...Bh2.} 30. c5 Bh2 {This bishop pair is nice.} 31. Rxd6 Rxg1+ {Black mates.} 32. Qxg1 Bxg1 33. Nd7+ Kc7 34. Ne5 {[#]} Rh1 $1 {[%cal Rg1e3][%mdl 512]} 35. Rxf3 {[#]} (35. Nxf3 gxf3) 35... gxf3 $1 {White did not feel at home in the position after the opening.  Weighted Error Value: White=1.32/Black=0.17 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.23"]
[White "Meza, Anahi"]
[Black "Migens Romero, Juan"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "1996"]
[BlackElo "2097"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,69,44,50,58,40,44,6,79,75,76,65,115,120,114,0,0,0,0,0,0,-49,0,0,0,-21,-20,-16,-18,-21,0,0,53,-6,-6,-9,0,-16,-22,-13,0,0,0,-11,-11,-11,-10,-10,0,-55,0,0,733,704]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7 9. b4 Nd7 10. a4 $1 {The main line 10.a4 scores better than 10.Nd2.} f5 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1.} 11. Ng5 Nf6 12. f3 {[%cal Bf2f3,Bf3e4][%mdl 32]} h6 (12... Nh5 $11) 13. Ne6 $16 {White is more active.} Bxe6 14. dxe6 {[#]} fxe4 $146 (14... Nc6 $14) ({Predecessor:} 14... c6 15. a5 Qc7 16. Qb3 Rfd8 17. Rd1 Qc8 18. c5 d5 19. exd5 Nfxd5 20. Nxd5 cxd5 {1-0 (35) Jarmula,L (2256)-Szabo,K (2543) Ruzomberok 2014}) 15. fxe4 Nc6 {[#]} 16. b5 (16. Nd5 $1 $16) 16... Nd4 $11 17. Nd5 {And now e7 would win.} Nxe6 (17... Nxe4 $2 18. e7 Rxf1+ 19. Qxf1 $18) 18. Nxf6+ Rxf6 19. Qd5 (19. Rxf6 $11 {is more appropriate.} Qxf6 20. Qd5) 19... Rxf1+ (19... c6 $1 $15 20. bxc6 bxc6 21. Qxc6 Nd4 22. Qd5+ Kh7) 20. Bxf1 Qc8 21. Be2 {[#] Black must now prevent Bg4.} c6 22. Qxd6 {Strongly threatening Bg4.} Bf8 23. Qd3 ({Don't blunder} 23. Qxe5 $2 Bg7 24. Qg3 Bxa1 $19) 23... Bc5+ 24. Kh1 $1 Qf8 (24... h5 $11) 25. Bg4 ({Better is} 25. Qh3 $14 Qf6 26. Bxh6) 25... Nd4 26. Be3 h5 27. Rf1 Qe7 28. Bh3 cxb5 29. cxb5 Rf8 30. Rc1 b6 31. Bh6 Rf2 {...g5 is the strong threat.} 32. Be3 {A strong pair of Bishops.} Rf8 33. a5 ({White should play} 33. Bh6 $11) 33... Qf6 (33... bxa5 $15 34. g4 (34. Qc4+ Kh7 $17) 34... hxg4 35. Bxg4 Kh7) 34. a6 Nb3 $2 {[%mdl 8192]} 35. Qxb3+ {Weighted Error Value: White=0.21 (precise) /Black=0.20 (precise)} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.24"]
[White "Quevedo, Andreina"]
[Black "Dotta, Gian Franco"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1867"]
[BlackElo "1991"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,54,1,3,32,31,28,26,28,20,23,9,24,3,22,2,25,0,19,-13,0,-6,8,17,15,-8,-7,-7,-8,-8,-3,-152,-135,-451,-448,-487,-483,-524,-518,-570,-560,-29990,-29991,-29996,-29997]} 1. c4 c5 2. Nc3 b6 3. e3 Bb7 4. Nf3 Nf6 5. g3 e6 6. Bg2 Be7 7. O-O Ne4 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} 8. Nxe4 Bxe4 9. d3 Bb7 {[#] White has an edge.} 10. Bd2 $146 ({Predecessor:} 10. b3 d6 11. Bb2 O-O 12. d4 Nd7 13. Qc2 Qc7 14. e4 cxd4 15. Nxd4 a6 16. Qe2 {0-1 (43) Larochelle,M (2194)-Chiku Ratte,O (2413) Trois-Rivieres 2016}) 10... Bf6 11. Qc2 O-O 12. Bc3 Nc6 13. a3 d5 14. Rfd1 Rc8 15. Rab1 Bxc3 16. Qxc3 Qc7 17. cxd5 exd5 18. b3 d4 19. exd4 cxd4 20. Nxd4 {Bxc6 is the strong threat.} Qe5 21. Bxc6 (21. Re1 $1 $11 {was the only way to keep the balance.} Nxd4 22. Rxe5 Rxc3 23. Bxb7) 21... Rxc6 $17 {[%mdl 64] [#] Pin} 22. Qb4 {[%mdl 8192] Loses the game.} (22. Qxc6 $17 {nothing else works.} Bxc6 23. Nxc6) 22... Rc5 $19 23. Re1 ({But not} 23. f3 a5 24. Qe1 Qxd4+) 23... Qd5 {[%csl Gb7][%cal Rd5h1]} 24. f3 a5 25. Qa4 b5 {[%mdl 64] [#] Overworked Piece} 26. Nxb5 Qxf3 {[%csl Gb7][%cal Rf3g2]} 27. Re4 Rc2 {Weighted Error Value: White=0.80/Black=0.07 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.25"]
[White "Nejanky, Maisa"]
[Black "Lavandeira, Juan Facundo"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1948"]
[BlackElo "1520"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,112,-46,-37,-49,-19,-44,-28,-49,0,-44,-25,-43,-26,-33,65,-49,-25,-94,34,-20,45,-102,-75,-260,-315,-309,-143,-152,-87,-82,-84,-84,-80,-88,-55,-86,-66,-77,-78,-79,-78,-62,-86,-132,-93,-104,-86,-86,-56,-102,-61,-69,-3,-69,0,-69,-69,-76,-76,-82,-83,-101,0,-81,-69,-83,-80,-90,-69,-69,-69,-90,-13,-69,0,-77,-69,-77,-69,-69,-63,-69,-62,-69,0,-1028,-69,-69,-69,-69,0,-69,-50,-69,-69,-69,-69,-71,-92]} 1. e4 c5 2. Nc3 d6 3. f4 Nf6 4. Nf3 g6 5. Bc4 Bg7 6. d3 Nc6 7. O-O O-O 8. f5 gxf5 9. Bg5 {B23: Closed Sicilian: Lines without g3.} fxe4 10. dxe4 {[#]} h6 $146 ({Predecessor:} 10... Bg4 11. Qe1 Bxf3 12. Rxf3 Ne5 13. Rg3 Kh8 14. Rh3 Qd7 15. Be2 Ng6 16. Kh1 Qe6 {0-1 (45) Minasian,A (2545)-Browne,W (2525) Las Vegas 1993}) 11. Bf4 {Black has an edge.} e5 (11... Be6 $15 12. Bd5 Nd4) 12. Be3 (12. Bg3 $1 $11 {might be stronger.}) 12... Nd4 {[%cal Ob7b5]} 13. Qd2 Kh7 14. Qd3 {[%cal Rf3d4]} Bg4 (14... Kh8 $15) 15. Nh4 (15. Nxd4 $14 cxd4 16. Bxd4 $1) 15... a6 16. a4 {To avoid b5} (16. Nf5 $11) 16... Qd7 (16... d5 $1 $17 {[%cal Rd5c4]} 17. exd5+ e4 18. Nxe4 Nxe4 19. Qxe4+ f5 20. Nxf5 Bxf5 21. Rxf5 Nxf5 22. Bxc5 Qe8 23. Qxe8 Raxe8) 17. a5 (17. h3 $14 Be6 18. Nd5) 17... Rac8 (17... Be6 $11 18. b3 Rae8) 18. Nd5 (18. h3 $14 {keeps the upper hand.} Be6 19. Nd5 Bxd5 20. exd5+ e4 21. Qd1) 18... Nxd5 19. exd5+ $2 (19. Bxd5 $17 {was the only chance.} c4 20. Qd2) 19... f5 $19 20. Qd2 {[#] Prevents Be2.} Qe7 (20... Bf6 $1 $19 {[%cal Rf6h4] and Black stays clearly on top.} 21. Qf2 Qe7) 21. g3 $17 e4 (21... Bf6 $142 22. Bxd4 (22. Bxh6 $2 Rg8 $19) 22... cxd4 23. Nxf5 Bxf5 24. Rxf5 e4) 22. c3 Nf3+ 23. Nxf3 Bxf3 ({Much worse is} 23... exf3 24. Bf4 $11) 24. Rf2 Rf6 25. Bf4 Rg6 26. Be2 Bxe2 27. Qxe2 Be5 28. Raf1 {Strongly threatening Bxe5.} Rf8 29. Qe3 (29. Kh1 $142) 29... Rgf6 30. Qe2 Bxf4 (30... Qe8 {is interesting.} 31. Kh1 Rg8 32. Be3 Qf7 33. Rd1 Rg7) 31. Rxf4 Qf7 32. Rd1 (32. c4 $15) 32... Qc7 (32... Rg8 $17) 33. Ra1 Rc8 (33... Rg8 $15) 34. c4 (34. Raf1 $11) 34... Rcf8 (34... Qe7 $1 $15) 35. Qd2 (35. g4 $1 $11) 35... Qe7 $15 36. Re1 Qe5 37. Kg2 Rb8 38. Qf2 {[%cal Oe1e4] [#]} Rbf8 (38... b5 $1 $17 {[%cal Rb5c4]} 39. Rexe4 fxe4 40. Rxf6 bxc4) 39. Qc2 (39. Qd2 $1 $11) 39... Kg7 40. Qb3 R8f7 41. Re2 Qe7 42. Qc3 {Threatens to win with Rxf5.} Kh7 43. Kh1 Qd8 (43... Qe5 $17) 44. Kg2 (44. g4 $1 $11) 44... Qe7 (44... h5 $15) 45. Re3 (45. Kh1 $1 $11 {remains equal.}) 45... Qf8 (45... Kg6 {is more complex.} 46. Rh4 Rg7 47. Re1 h5 48. Qc2 Qe8) 46. Qc2 Qg7 47. Qf2 Qg5 48. Kh1 Kg7 49. Qc2 Kh7 (49... h5 $15) 50. Rf2 $2 {[%mdl 8192]} Qg4 $2 (50... Qxe3 $19 51. Rf4 Qe1+ 52. Kg2 Qxa5) 51. Rf4 Qg6 52. Qf2 Qg7 ({Better is} 52... h5 $15) 53. Qf1 (53. Kg2 $11) 53... Rf8 54. Re2 Qe7 55. Qh3 Qe5 56. Qf1 Kg7 {Weighted Error Value: White=0.53/Black=0.43} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.26"]
[White "Martinez Alvarez, Mateo"]
[Black "Siddeley, Hugh"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1093"]
[BlackElo "2000"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,85,8,8,0,-2,-15,-13,-13,7,-15,-4,-27,-25,-11,-16,-18,23,22,10,24,33,0,0,-11,19,0,45,0,33,25,35,26,6,0,34,0,52,29,43,-6,3,0,27,23,22,28,29,0,0,0,0,0,0,-21,-36,-23,-25,-223,-222,-29986,-29987,-29993,-29994,-29994,-29995,-29995,-29989,-29989,-29986,-29990,-29987,-29987]} 1. e4 c5 2. d4 cxd4 3. c3 g6 4. cxd4 d5 5. exd5 Nf6 6. Bc4 Bg7 7. Nc3 O-O 8. Nf3 Nbd7 9. Bg5 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} Nb6 {[%csl LRc4,LRd5]} 10. Qb3 Nxc4 11. Qxc4 {The position is equal.} a6 12. O-O b5 13. Qb3 (13. Qc5 $5 {[%cal Rf3e5]}) 13... Bb7 {[%cal Rf6d5]} 14. Bxf6 {[#]} exf6 $146 ({Predecessor:} 14... Bxf6 15. a4 Qb6 16. Rfd1 Rfd8 17. Ne5 b4 18. Nc4 Qa7 19. Qxb4 Bxd5 {0-1 (30) Chudinovskih,A (2302)-Cerveny,M (2347) Stare Mesto 2011}) 15. a4 b4 (15... Qb6 {is more appropriate.}) 16. Qxb4 $11 Bxd5 17. Nxd5 Qxd5 18. Rac1 Rfb8 19. Qc4 Qd6 {[%mdl 1024] Black has compensation.} 20. Qc5 Qf4 ({Don't play} 20... Qxc5 21. dxc5 Rxb2 22. Rfd1 $14) (20... Qd7 $11) 21. Qc7 (21. Qc6 $14) 21... Qf5 22. Rc5 Qd3 23. Rc3 Qf5 24. Qc5 Qd7 25. Qc6 Qf5 (25... Qxc6 $11 26. Rxc6 Rxb2) 26. Re1 Bf8 27. Rce3 (27. Rec1 $14) 27... Kg7 28. g3 Bb4 29. R1e2 Rc8 30. Qe4 {Hoping for Qxf5.} Qh3 31. Ne1 Rab8 32. Nd3 Bd6 33. Re1 {[%cal Ob2b3]} h5 34. Nf4 Bxf4 35. Qxf4 Rxb2 36. Qd6 $2 {This move loses the game for White.} (36. Rf3 $11 {and White has nothing to worry.} Rb6 37. d5) 36... Qf5 $40 {[%mdl 128] Black is out for blood.} 37. Rf1 {[#]} (37. Qf4 $19 Qxf4 38. gxf4) 37... Rc1 $1 {[%mdl 512] Black mates.} 38. Qf4 (38. Re2 Rxe2) 38... Rxf1+ 39. Kxf1 Qh3+ 40. Ke1 Qxh2 {[%cal Rh2g1]} 41. Kd1 Qh1+ 42. Re1 Rb1+ 43. Kc2 {Weighted Error Value: White=0.51/Black=0.11 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.30"]
[White "Urrestarazu, Diego"]
[Black "Escofet, Jaime"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1833"]
[BlackElo "1981"]
[Annotator "NA"]
[PlyCount "10"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:02:45]} e5 {[%emt 0:01:58]} 2. Nc3 {[%emt 0:00:33]} Nf6 {[%emt 0:00:17]} 3. g3 {[%emt 0:00:10]} Bb4 {[%emt 0:00:33]} 4. Bg2 {[%emt 0:00:29]} O-O {[%emt 0:00:32]} 5. e3 {[%emt 0:00:52]} c6 {[%emt 0:01:07]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.31"]
[White "Benitez, Andres"]
[Black "Vieira, Alexandre Letizio"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "1978"]
[BlackElo "1719"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,66,0,-5,-7,-38,-37,-56,-62,-50,-61,-54,30,22,124,119,110,110,100,122,114,81,80,43,239,233,223,232,277,273,266,239,357,363,325,277,722,708,678,351,314,320,293,240,312,297,282]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb3 Bg7 6. Be2 Nf6 7. Nc3 d6 8. O-O O-O 9. Bg5 a6 10. Kh1 b5 11. f4 Bb7 12. Bf3 Rc8 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3).} 13. e5 dxe5 14. fxe5 Nd7 {Black is slightly better.} 15. e6 fxe6 16. Bg4 {[#]} Rf5 $146 ({Predecessor:} 16... Rxf1+ 17. Qxf1 Nf8 18. Nc5 Qd4 19. Bxe6+ Nxe6 20. Nxe6 Qg4 21. Nxg7 Kxg7 22. Be3 Nd4 23. Bxd4+ Qxd4 {½-½ (44) Gerasimov,I (2376)-Khodzhamkuliev,B (2029) Nabereznye Chelny 2010}) 17. Bxf5 $11 exf5 (17... gxf5 $11 18. Qh5 Nce5) 18. Qd5+ $16 Kh8 19. Rad1 $36 {[%mdl 2048] White is in control.} Nf6 20. Qe6 {White is more active.} Qg8 21. Qxg8+ Kxg8 22. Nc5 Rb8 {Loses the game.} (22... Na5 $1 $14 23. b4 (23. Nxb7 Nxb7 24. Bxf6 Bxf6 $14) 23... h6) 23. Bxf6 $18 Bxf6 {[#]} 24. Nd7 $1 {Pair of Knights!} Rc8 25. Nxf6+ exf6 26. Rd7 Ba8 (26... Na5 $142 27. Rfd1 b4 28. Rd8+ Kf7 29. Rxc8 Bxc8) 27. Nd5 Rf8 28. Rd1 Rf7 $2 {[#]} (28... Ne5) 29. Rxf7 Kxf7 30. Nc7 Bb7 31. Rd7+ Ne7 32. Kg1 g5 33. g3 h5 {[%mdl 32768] Weighted Error Value: White=0.31/Black=0.60. An unexpected result.} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.32"]
[White "Rodriguez Farias, Eduardo"]
[Black "Parma, Pamela"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "1931"]
[BlackElo "1761"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,117,43,48,132,127,112,30,75,58,83,0,87,94,190,184,185,166,177,187,252,249,254,260,244,205,448,452,484,475,484,474,493,485,461,485,481,476,475,425,492,468,722,529,502,513,525,524,518,500,504,517,517,517,600,603,567,529,602,588,657,594,690,615,623,575,581,529,634,599,590,598,572,570,897,729,729,706,744,750,753,753,753,746,751,748,744,697,866,678,576,0,847,866,825,850,29981,29982,29982,29983,29983,29982,29984,29985,29985,29986]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 dxe5 8. fxe5 Nh5 {B71: Sicilian Dragon: 6 f4.} (8... Nfd7 $1 $14) 9. Bb5+ $16 Bd7 {[#]} 10. e6 (10. g4 $1 $16 {[%cal Rg4h5]}) 10... Bxb5 (10... fxe6 $11 {was preferrable.} 11. Nxe6 Bxc3+ 12. bxc3 Qb6 13. Bxd7+ Nxd7) 11. exf7+ $40 {[%mdl 128] Black needs to defend precisely.} (11. Ndxb5 Bxc3+ 12. bxc3 (12. Nxc3 Qxd1+ 13. Nxd1 f5 $11) 12... Qxd1+ 13. Kxd1 Na6 $11) (11. Ncxb5 $6 f5 12. Be3 O-O $11) 11... Kxf7 12. Qf3+ ({Don't play} 12. Ndxb5 $6 Qxd1+ 13. Nxd1 Rc8 $11) (12. Ncxb5 $16 Bxd4 13. Nxd4) 12... Nf6 (12... Ke8 $11 13. Ndxb5 Nc6) 13. Ncxb5 {Black must now prevent 0-0. Black is on the road to losing.} a6 (13... Nc6 $16 14. Qb3+ (14. Nxc6 bxc6 15. Qxc6 Rc8 $14) 14... Qd5) 14. Qb3+ ({Avoid the trap} 14. Qe3 $2 axb5 15. Qe6+ Ke8 $19) 14... Qd5 {[#]} 15. Nc7 {[%csl LRa8,LRd5] Active counter play!} Qxb3 16. axb3 Nbd7 (16... Ra7 $142 17. Ndb5 Rc8) 17. Nxa8 $18 {aiming for Nc7.} Rxa8 18. O-O {[#]} e5 $146 ({Predecessor:} 18... Rc8 19. c3 e5 20. Nf3 e4 21. Ng5+ Ke7 22. Be3 h6 23. Nh3 Nc5 24. b4 Nd3 {1-0 (47) Artemov,N (2106)-Kolyuzhnov,V (1809) Voronezh 2015}) 19. Nb5 {Threatens to win with Nd6+.} Rd8 $2 (19... Bf8 20. Be3 Rc8) 20. Nd6+ Kg8 21. Nxb7 Rb8 22. Nd6 Rb6 23. Nc4 Re6 24. Bg5 e4 25. Rad1 Bf8 26. Be3 h6 27. h3 Kh7 (27... Kg7 $142 28. Kf2 Be7) 28. Kf2 Be7 29. Ke2 Nf8 30. c3 Nh5 31. Kd2 Ng3 32. Rfe1 Nd7 33. Kc2 Nf6 34. Bf4 Nf5 35. g4 Nh4 36. Re2 {Prevents Ng2.} g5 37. Bd6 Bd8 38. Bg3 Be7 39. Bxh4 gxh4 40. Ne3 Ne8 41. Rd7 Kg6 42. Nd5 Bg5 43. c4 Nd6 44. Ra7 Ne8 45. b4 h5 46. gxh5+ Kxh5 47. Rh7+ Kg6 {[#]} 48. Rxh4 $3 {[%mdl 512]} Bxh4 49. Nf4+ Kf5 50. Nxe6 {[%mdl 4096] Endgame KRN-KBN} Nd6 51. Nc5 Kf4 52. Ne6+ $2 ({White should try} 52. b3 $18) 52... Kf3 $2 {[%mdl 8192]} (52... Kf5 $11 53. Nd4+ Kf4) 53. Nd4+ Kf4 54. c5 {[%cal Bc4c5,Bc5c6,Bc6c7][%mdl 32]} Nb5 55. Nxb5 {White mates.} axb5 56. c6 Bd8 57. Rf2+ Ke5 58. Rf7 Ke6 {[#]} 59. c7 $1 {[%mdl 512] Weighted Error Value: White=0.30/Black=0.39} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.33"]
[White "Visillac, Alejandro"]
[Black "Moccero, Eduardo"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1814"]
[BlackElo "1919"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,0,0,0,0,-4,0,0,0,0,0,-6,4,-12,-3,-49,-36,-40,-31,-50,-32,-50,-33,-102,-60,-84,-64,-133,-133,-152,-136,-130,-130,-131,-105,-139,-138,-174,-146,-141,-112,-111,136,-84,-52,-87,-78,-77,-76,-53,-53,-94,-75,-91,-21,-24,-5,-8,-7,-9,-10,-4,-6]} 1. e4 d5 2. Nc3 dxe4 3. Nxe4 Nd7 4. Nf3 Ngf6 5. Ng3 e6 6. Be2 {A00: Irregular Openings.} b6 7. b3 Bb7 8. Bb2 Bd6 9. O-O {[#]} O-O $146 ({Predecessor:} 9... c5 10. d4 Qc7 11. c4 O-O-O 12. Rc1 Bf4 13. Rc2 h5 14. Re1 cxd4 15. b4 e5 {0-1 (37) Kirch,F (1773)-Giering,G (1744) Mittelfranken 2008}) 10. Re1 c5 11. Bf1 Rc8 12. Ne5 (12. Bd3 $11 {is superior.}) 12... Nxe5 $15 13. Bxe5 Bxe5 14. Rxe5 Qd4 15. Re2 Rfd8 16. c3 (16. Re1 $15) 16... Qd5 (16... Qf4 $17 {And now ...h5 would win.} 17. d3 Rc7) 17. Qe1 Qc6 18. d3 (18. Rd1 $15) 18... Rxd3 $17 19. Rd1 Rxd1 20. Qxd1 h6 21. Rd2 Qc7 22. Bd3 g6 23. Bc2 Qc6 {[%csl Gb7][%cal Rc6g2]} 24. f3 Kg7 25. Ne4 {Threatens to win with Nxf6.} Nd5 (25... Nxe4 $2 26. Bxe4 Qc7 27. Rd7 $18) (25... c4 $1 $17 {[%cal Rc4b3]} 26. Nd6 Qc5+ 27. Kh1 cxb3 $1 28. axb3 Rc7) 26. Qe1 $2 (26. c4 $16 {is necessary to keep the advantage.}) 26... f5 27. c4 fxe4 28. Bxe4 {[%mdl 64] [#] Pin} Qd6 {[%cal Od6e5]} 29. Qa1+ Kf7 {[%cal Ob7c6]} 30. Qb1 {[#]} (30. Qd1 $1 $15) 30... Rg8 $1 {[%cal Od6e5]} 31. Qd3 {[%mdl 64] [#] Pin} (31. g3 Qe5) 31... Qe5 $1 32. cxd5 $11 exd5 33. Bxd5+ {The position is equal.} Bxd5 34. Qxd5+ Qxd5 35. Rxd5 Ke6 {Inhibits Rd7.  Weighted Error Value: White=0.30/Black=0.30} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.34"]
[White "Popov, Mark"]
[Black "Manteiga, Franco"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1758"]
[BlackElo "1915"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,86,15,20,0,0,0,0,0,21,10,22,17,23,-5,0,-124,-141,-134,-46,-176,-172,-179,-166,-161,-170,-170,-147,-229,-176,-177,-136,-202,-188,-527,-521,-503,-485,-802,-798,-879,-859,-804,-728,-847,-832,-1879,-1692,-12823,-6964,-5102,-1237,-1179,-1177,-986,-993,-1771,-1585,-29978,-29978,-29982,-29983,-29982,-29983,-29984,-29985,-29990,-29988,-29994,-29991,-29991,-29985,-29994,-29995,-29995,-29996,-29996,-29997]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 d6 5. h3 Be7 6. d3 Nf6 7. Be3 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} O-O 8. a4 a6 9. Nd5 {[#] The position is equal.} Rb8 $146 ({Predecessor:} 9... Nxd5 10. Bxd5 Nb4 11. Bc4 Qa5 12. Bd2 Qd8 13. c3 Nc6 14. Bd5 Bd7 15. O-O h6 {1-0 (28) Holzapfel,A (1354)-Froechel,T (999) Deggendorf 2008}) 10. c3 b5 11. Nxf6+ Bxf6 12. Bd5 Ne7 13. a5 (13. Ba2 $11 {keeps the balance.}) 13... Nxd5 $17 14. exd5 b4 ({Better is} 14... Qd7 $17 15. O-O Qb7) 15. c4 {This move loses the game for White.} (15. Nd2 $15) 15... e4 $1 $19 16. dxe4 {[%cal Oe4e5]} Bxb2 {Hoping for ...Bc3+.} 17. O-O Bxa1 18. Qxa1 f6 19. Rb1 (19. Bf4 $17) 19... Re8 20. Nd2 Bd7 (20... Qe7 $19 21. Rb3 g5) 21. f3 (21. Bf4 $17) 21... Qe7 22. f4 $2 {[#]} (22. Qb2 {is more resistant.}) 22... Bf5 $1 {[%mdl 512]} 23. Re1 (23. Rb2 Bxe4) 23... Bxe4 24. Bxc5 (24. Bf2 $142 f5 25. Re3) 24... dxc5 25. Rxe4 Qd7 {aiming for ...Rxe4.} 26. Qb1 Rxe4 27. Nxe4 {[%mdl 4096] Endgame KQR-KQN} b3 28. Qb2 Qe7 29. Nd2 Qe3+ 30. Kh1 Qxd2 31. Qxd2 {KQ-KR} b2 32. Kh2 b1=Q 33. d6 Qf5 34. d7 Rd8 {Black mates.} 35. Qd6 Rxd7 36. Qb8+ Kf7 37. h4 Qg4 38. Qb1 Qxf4+ 39. g3 Qd2+ 40. Kh3 Qd1 41. Qf5 Qh1+ 42. Kg4 Rd4+ 43. Kh5 g6+ {Weighted Error Value: White=1.04/Black=0.25 (precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.35"]
[White "Pinero, Ismael"]
[Black "Elena, Eduardo"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "1906"]
[BlackElo "1712"]
[Annotator "ChessBase"]
[PlyCount "38"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 {[%emt 0:01:02]} 2. Nf3 {[%emt 0:05:22]} Nc6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:05]} d6 {[%emt 0:00:03]} 6. f3 {[%emt 0:00:29]} e5 {[%emt 0:00:30]} 7. Nb3 {[%emt 0:00:00]} Be6 {[%emt 0:00:12]} 8. Be3 {[%emt 0:00:00]} Be7 {[%emt 0:00:23]} 9. Qd2 {[%emt 0:00:00]} O-O {[%emt 0:00:07]} 10. O-O-O {[%emt 0:00:00]} a5 {[%emt 0:00:05]} 11. Bb5 {[%emt 0:00:00]} Nb4 {[%emt 0:00:08]} 12. Kb1 {[%emt 0:02:15]} d5 {[%emt 0:03:09]} 13. exd5 {[%emt 0:02:06]} Nbxd5 {[%emt 0:00:45]} 14. Nxd5 {[%emt 0:00:25]} Nxd5 {[%emt 0:00:09]} 15. Qe2 {[%emt 0:00:17]} Qc7 {[%emt 0:00:49]} 16. Bd2 {[%emt 0:10:23]} Rfc8 {[%emt 0:04:24]} 17. Bd3 {[%emt 0:12:24]} a4 {[%emt 0:01:49]} 18. Na1 {[%emt 0:02:13]} a3 {[%emt 0:02:27]} 19. b3 {[%emt 0:02:15]} Nc3+ {[%emt 0:00:20]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.17"]
[Round "7.36"]
[White "Perez Selios, Luis"]
[Black "Pena Canapa, Alfredo"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1429"]
[BlackElo "1841"]
[Annotator "NA RC"]
[PlyCount "143"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:12]} 2. Bf4 {[%emt 0:00:26]} d5 {[%emt 0:00:08]} 3. e3 {[%emt 0:00:15]} c5 {[%emt 0:00:08]} 4. c3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:13]} 5. Nd2 {[%emt 0:00:17]} Qb6 {[%emt 0:00:10]} 6. Qc2 {[%emt 0:02:23]} g6 {[%emt 0:02:32]} 7. Ngf3 {[%emt 0:00:18]} Bf5 {[%emt 0:00:22]} 8. dxc5 {[%emt 0:01:54]} Qxc5 {[%emt 0:00:30]} 9. Bd3 {[%emt 0:00:26]} Bxd3 {[%emt 0:01:24]} 10. Qxd3 {[%emt 0:00:11]} Bg7 {[%emt 0:00:42]} 11. O-O {[%emt 0:01:00]} O-O 12. Rad1 Rfd8 {[%emt 0:01:42]} 13. Bc7 {[%emt 0:01:59]} Rd7 {[%emt 0:00:40]} 14. Nb3 {[%emt 0:00:13]} Qc4 {[%emt 0:00:34]} 15. Qxc4 {[%emt 0:01:22]} dxc4 {[%emt 0:00:05]} 16. Rxd7 {[%emt 0:00:11]} Nxd7 {[%emt 0:00:15]} 17. Na5 {[%emt 0:00:30]} Nxa5 {[%emt 0:00:45]} 18. Bxa5 {[%emt 0:00:10]} b6 {[%emt 0:00:44]} 19. Bb4 {[%emt 0:00:09]} Bf6 {[%emt 0:01:31]} (19... Kf8 $11) 20. a4 {[%emt 0:01:29]} Rc8 {[%emt 0:01:29]} 21. Rd1 {[%emt 0:05:45]} Nc5 {[%emt 0:00:40]} 22. Bxc5 {[%emt 0:00:30]} Rxc5 {[%emt 0:00:08]} 23. Nd2 {[%emt 0:06:52]} a6 {[%emt 0:29:09]} (23... Ra5 $142) 24. Kf1 {[%emt 0:07:22]} Be5 25. Ke2 {[%emt 0:01:24]} f5 {[%emt 0:07:38]} 26. g3 {[%emt 0:05:01]} Bd6 {[%emt 0:04:05]} 27. e4 {[%emt 0:03:21]} Kf7 {[%emt 0:01:18]} 28. f4 {[%emt 0:00:37]} Bc7 {[%emt 0:11:35]} 29. Nf3 {[%emt 0:06:10]} Ke8 {[%emt 0:05:22]} 30. Ng5 {[%emt 0:07:07]} fxe4 {[%emt 0:01:12]} 31. Nxe4 {[%emt 0:01:06]} ({White should play} 31. Ne6 $14 Rc6 32. Nxc7+ Rxc7 33. Ke3) 31... Ra5 {[%emt 0:00:07]} 32. Ra1 {[%emt 0:00:14]} b5 {[%emt 0:01:17]} 33. Nd2 {[%emt 0:08:37]} Bb6 {[%emt 0:00:38]} 34. Kf3 {[%emt 0:02:59]} Kf7 {[%emt 0:02:10]} 35. Ke4 {[%emt 0:01:22]} Ke6 {[%emt 0:03:24]} 36. g4 {[%emt 0:00:52]} Kd6 {[%emt 0:00:36]} 37. h4 {[%emt 0:03:38]} Bf2 {[%emt 0:05:26]} 38. h5 {[%emt 0:01:45]} gxh5 {[%emt 0:00:37]} 39. gxh5 {[%emt 0:00:23]} Ke6 {[%emt 0:00:06] [#]} 40. Nf3 $1 {[%emt 0:03:07]} Kf6 {[%emt 0:00:47]} 41. Ne5 {[%emt 0:00:19]} Bh4 {[%emt 0:01:30]} 42. Nc6 {[%emt 0:00:27]} Rxa4 {[%emt 0:00:06]} 43. Rxa4 {[%emt 0:00:03]} bxa4 {[%emt 0:00:10]} 44. Ne5 {[%emt 0:00:10]} Kg7 {[%emt 0:00:27]} 45. Kf5 {[%emt 0:00:23]} Bf6 $2 {[%emt 0:01:41]} (45... Kh6 $11 {and Black has nothing to worry.}) 46. Nxc4 {[%emt 0:00:51]} Kh6 $2 {[%emt 0:00:52] [#]} (46... Kf7 47. Ne5+ Ke8) 47. Kg4 $2 {[%emt 0:00:21]} (47. Ne5 $1 $18 {[%cal Re5g4] is the precise move to win.} Kg7 48. c4) 47... e6 {[%emt 0:00:51]} 48. Ne5 {[%emt 0:01:30]} Be7 {[%emt 0:01:07]} 49. Nf7+ $1 {[%emt 0:00:37]} Kg7 {[%emt 0:00:22]} 50. Ng5 {[%emt 0:00:29]} a3 {[%emt 0:00:25]} 51. bxa3 {[%emt 0:00:58]} ({Wrong is} 51. Nxe6+ $2 Kf6 52. bxa3 Kxe6 $19) 51... Bxa3 {[%emt 0:00:07]} 52. Nxe6+ {[%emt 0:00:41]} Kf7 {[%emt 0:00:30]} 53. f5 {[%emt 0:00:19]} Bb2 $2 {[%emt 0:00:38]} (53... a5 $11 {and Black is okay.}) 54. Nc7 $2 {[%emt 0:01:21]} ({White has to play} 54. Ng5+ $16 Kg8 55. Ne4) 54... a5 {[%emt 0:00:28]} 55. Nb5 {[%emt 0:00:14]} a4 {[%emt 0:01:39]} 56. c4 {[%emt 0:00:47]} Bf6 $2 {[%emt 0:02:27]} (56... a3 $19 57. Nxa3 Bxa3) 57. c5 {[%emt 0:00:33]} Be5 {[%emt 0:02:49]} 58. Kg5 $11 {[%emt 0:01:52]} Kg7 {[%emt 0:00:13]} (58... h6+ $11 59. Kxh6 Kf6) 59. c6 {[%emt 0:01:43]} h6+ {[%emt 0:00:12]} 60. Kg4 {[%emt 0:00:48]} Kf7 $16 {[%emt 0:00:14]} 61. Kf3 {[%emt 0:02:17]} Ke7 {[%emt 0:01:16]} 62. Ke4 {[%emt 0:00:17]} Bb8 {[%emt 0:00:28]} 63. c7 {[%emt 0:03:55]} Bxc7 {[%emt 0:00:09]} 64. Nxc7 {[%emt 0:00:02]} Kf7 {[%emt 0:06:23]} 65. Nd5 {[%emt 0:00:47]} a3 {[%emt 0:00:14]} 66. Nb4 {[%emt 0:00:29]} Kf6 {[%emt 0:00:14]} 67. Kf4 {[%emt 0:00:25]} Kf7 {[%emt 0:00:06]} 68. Ke5 {[%emt 0:00:07]} Ke7 {[%emt 0:00:07]} 69. f6+ {[%emt 0:00:12]} Kf7 {[%emt 0:00:03]} 70. Kf5 {[%emt 0:00:17]} Kf8 {[%emt 0:00:00]} 71. Kg6 {[%emt 0:00:22]} Kg8 {[%emt 0:00:28]} 72. f7+ {[%emt 0:00:30]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.1"]
[White "Lima, Darcy"]
[Black "Delgado Ramirez, Neuris"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2507"]
[BlackElo "2615"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,74,20,4,29,37,38,28,38,30,49,25,24,29,30,8,20,25,22,0,14,14,22,23,27,26,33,0,0,0,0,0,-10,-56,-58,-91,-88,-162,-82,-168,2,-175,-168,-238,-238,-208,-89,-88,0,-116,-114,-109,-106,-375,-368,-974,-934,-1559,-1501,-29979,-29980,-29990,-29990]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Nbd2 Bb4 6. Qc2 Bb7 7. Bg2 Be4 8. Qb3 Nc6 {[%cal Oc6d4] E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} 9. O-O Bxd2 10. Bxd2 O-O {White has an edge.} 11. Bc3 {[#]} Ne7 $146 ({Predecessor:} 11... d6 12. Bh3 Bxf3 13. exf3 Na5 14. Qa4 Qe8 15. Qxe8 Rfxe8 16. b3 c5 17. Rad1 Rad8 {1-0 (42) Ibrahimli,M (2435)-Hambleton,A (2454) Chess.com INT 2021}) 12. Rfd1 {[%cal Od4d5]} d6 13. Bf1 a5 14. Be1 h6 15. Nd2 Bb7 16. Qd3 c5 17. Nb1 d5 18. dxc5 bxc5 19. cxd5 exd5 20. Qc2 Qb6 21. Bg2 Nc6 {Strongly threatening ...Nd4.} 22. Nc3 ({Wrong is} 22. Bxd5 $2 Nxd5 23. Rxd5 Nd4 24. Rxd4 cxd4 $19) 22... Nd4 23. Qb1 (23. Qd3 $11) 23... Rfd8 $1 $15 24. e3 Ne6 {Pair of Knights!} 25. b3 (25. Qd3 $17) 25... Qc7 ({Black should play} 25... d4 $1 $19 26. Na4 Qc7) 26. Na4 (26. Nb5 $17 Qb6 27. Na3) 26... Bc6 $2 ({Better is} 26... d4 $19 27. e4 c4 28. bxc4 Rab8) 27. Qc2 $2 (27. Qf5 $11 {and White stays safe.}) 27... d4 $19 {And now ...Bxg2 would win.} 28. Bxc6 (28. e4 {is a better defense.}) 28... Qxc6 29. h4 {To avoid Ng5} dxe3 (29... Ng4 $1 $19 {[%cal Rg4e5] has better winning chances. aiming for ...Ne5.} 30. e4 Ne5) 30. fxe3 $17 {[#]} Qf3 (30... Ng4 $1 $17 {[%cal Rg4e3]} 31. Rxd8+ Rxd8) 31. Rxd8+ (31. Nb6 $1 $11) 31... Rxd8 ({Of course not} 31... Nxd8 $6 32. Qg2 Qxe3+ 33. Bf2 $11) 32. Qf2 {[#]} Qg4 $36 {[%mdl 2048] Threatens to win with ...Ne4. Black is really pushing. Black is much more active.} 33. Kg2 $2 {[%mdl 8192]} (33. Nc3 $17 {might work better.}) 33... Qg6 $19 {White must now prevent ...Ng4.} ({Stronger than} 33... Ne4 34. Qf3 Qg6 35. Bxa5 $15) 34. Nb2 $2 (34. Qf3 Ng4 35. Bc3) 34... Ng4 35. Qe2 Qe4+ 36. Kg1 {[#]} Nd4 $1 {[%mdl 512]} 37. Qg2 (37. Qxg4 Qxg4) 37... Nf3+ {Weighted Error Value: White=0.87/Black=0.19 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.2"]
[White "Perez Ponsa, Federico"]
[Black "Valerga, Diego"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2553"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,97,37,33,45,56,42,34,37,9,7,8,2,9,22,20,20,23,20,25,22,23,39,4,6,6,6,6,4,7,14,6,26,26,26,8,36,37,39,35,32,23,27,17,86,83,85,85,87,84,103,78,78,78,77,50,97,106,81,83,152,122,153,126,152,152,152,130,181,180,176,141,591,552,430,362,962,955,825,825,690,576,490,443,3185,3185,4610,4602]} 1. d4 d5 2. c4 e6 {[%cal Be7e6,Be6d5,Bd5d4][%mdl 32]} 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. dxc5 d4 7. Na4 Bxc5 {[%mdl 64] Decoy. D32: Tarrasch Defence: Sidelines and lines without g3.} 8. Nxc5 Qa5+ 9. Bd2 Qxc5 {White is slightly better.} 10. e3 dxe3 11. Bxe3 Qb4+ 12. Qd2 Nf6 {[#]} 13. Qxb4 $146 ({Predecessor:} 13. Be2 Ne4 14. Qxb4 Nxb4 15. Bb5+ Ke7 16. O-O Nc2 17. Rac1 Nxe3 18. fxe3 Rd8 19. Rc7+ {1-0 (40) Orrego Palermo,M (1935)-Birchmeier Epprecht,M (1238) Valdivia 2021}) 13... Nxb4 14. Bb5+ Bd7 15. Bxd7+ Nxd7 {[%cal Bf6d7,Bd7e5,Be5d3][%mdl 32]} 16. O-O-O {Inhibits Nc2.} O-O-O 17. Ng5 (17. Kb1 $5 {[%cal Re3a7]}) 17... Ne5 18. Bxa7 Nxa2+ {Pair of Knights!} 19. Kb1 Nb4 20. Bb6 Rxd1+ 21. Rxd1 f6 22. Ne4 Ned3 23. Ba5 Rf8 {[#]} 24. Nc5 $1 Nc6 $1 25. Rxd3 Nxa5 $14 {[%mdl 4096] Endgame KRN-KRN} 26. Ra3 b6 27. Nb3 Re8 (27... Nc6 $1 $11 {remains equal.}) 28. Nxa5 $16 bxa5 29. Rxa5 {Black must now prevent Ra8+. KR-KR} Re1+ 30. Ka2 Kb7 31. Rd5 Kc6 {Inhibits Rd7.} 32. Rd2 h5 33. Kb3 Rh1 (33... h4 $1 $14) 34. h3 Rg1 35. f3 g5 (35... Kc5 $142) 36. Kc3 h4 37. b3 {[%cal Bb2b3,Bb3b4,Bb4b5][%mdl 32]} Rc1+ 38. Kd4 Kd6 39. Rb2 f5 (39... Re1 $16 40. Ra2 Kc7) 40. b4 $18 Rd1+ 41. Ke3 {Threatens to win with Rd2+.} Kc6 $2 {[%mdl 8192] A mistake that costs the game.} (41... Ra1 $16 42. Kd4 Rd1+ 43. Kc4 Re1) 42. b5+ Kb6 {[#]} 43. f4 $1 g4 (43... gxf4+ 44. Kxf4 Rd8 45. Kxf5 Rg8) 44. hxg4 {White is clearly winning.} fxg4 45. Ke4 Rf1 46. Kf5 g3 47. Kg4 {Hoping for Rb4.} Rf2 (47... h3 $142 48. gxh3 Rf2) 48. Rb1 Rxg2 49. Kxh4 {Weighted Error Value: White=0.09 (flawless) /Black=0.36} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.3"]
[White "Coro, Lucas"]
[Black "Hungaski, Robert"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2355"]
[BlackElo "2537"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,104,16,22,21,16,21,23,16,23,20,28,0,6,0,6,0,0,0,0,0,0,-12,0,12,0,0,95,88,41,26,33,49,42,51,67,90,85,78,91,98,80,80,84,49,65,31,81,0,0,0,-15,-16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,17,0,14,0,0,0,0,0,8,0,0,0,0,-78,-78,-78,-78,-78,0,-2310,-610,-487,-479,-29976,-29977]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 d5 6. exd5 {B40: Sicilian: 2...e6, Unusual lines.} Nxd5 7. O-O Be7 8. Rd1 {White has an edge.} Qb6 9. d3 O-O 10. c4 Nf6 11. Nc3 {[#]} Rd8 $146 ({Predecessor:} 11... Bd7 12. Bf4 a6 13. Rab1 Rfd8 14. a3 Be8 15. b3 Rac8 16. Na4 Qa7 17. b4 Nd4 18. Nxd4 Bxa4 {½-½ (83) Goganov,A (2552)-Potkin,V (2666) Legnica 2013}) 12. Rb1 Bd7 13. a3 {[%cal Ob2b4]} Be8 14. h4 a6 15. Qe1 Qb3 16. Be3 Ng4 17. Bg5 {Threatens to win with Nd2.} Bf6 (17... Nf6 $1 $11 {remains equal.}) 18. Ne4 Bxg5 19. Nfxg5 Qb6 20. b4 cxb4 21. axb4 h6 22. Nf3 Qc7 23. d4 $1 {To avoid Nce5} Ne7 24. Nc5 $1 {[%cal Oc5e6]} Nf6 {[#]} 25. Ne5 $1 Ra7 26. Ra1 {[%cal Ob4b5]} Nf5 27. Nb3 (27. Nf3 $5 {[%cal Rc5e6]}) 27... Nd7 {[#]} (27... Raa8 $14) 28. Na5 ({Better is} 28. Nxd7 $1 $16 Bxd7 29. d5) 28... Nxe5 $11 29. dxe5 {aiming for Rxd8.} Rxd1 30. Qxd1 b6 31. Nb7 Rxb7 32. Bxb7 Qxb7 33. Qd8 Kf8 {And now ...b5 would win.} 34. b5 $1 axb5 35. Ra8 $1 {[%csl Ga8][%cal Rd8e8]} Qe7 {Strongly threatening ...Qxd8.} (35... Qc6 $2 36. Rc8 Qxc8 37. Qxc8 bxc4 38. Qxc4 $18) 36. Qxb6 {c5 is the strong threat.} g5 37. hxg5 bxc4 38. gxh6 Nxh6 39. Qc6 Nf5 40. Qxc4 Kg8 41. Qg4+ {[%mdl 1024] White has compensation.} Ng7 42. Kh2 Qd7 43. Qg5 Qc6 44. Rd8 Qa4 45. Qe7 Kh7 46. Rb8 Qd4 {[%csl LRe5,LRf2]} 47. Kg2 (47. Kh3 $11 {keeps the balance.}) 47... Bc6+ $17 ({Much weaker is} 47... Qxe5 $6 48. Rxe8 Nxe8 49. Qxe8 $11) 48. Kh3 Qxe5 {( -> ...Qf5+)} ({Reject} 48... Qxf2 49. Qh4+ Kg6 50. Qg4+ Kh7 51. Qh4+ Kg6 52. Qg4+ Kh7 53. Qh4+ $11) 49. Qh4+ Nh5 (49... Kg6 $17 50. Qg4+ Qg5 51. Qxg5+ Kxg5 52. f4+ Kg6) 50. Rb4 {[%mdl 8192]} (50. g4 $11 Qxb8 51. Qxh5+ Kg7 52. Qg5+ Kf8 53. Qc5+ Kg8 54. Qg5+ (54. Qxc6 Qe5 $11) 54... Kh8 55. Qh5+ Kg7 56. Qg5+ Kf8 57. Qc5+ Kg7 58. Qg5+) 50... Qf5+ (50... Qd5 $142 51. Re4 Qxe4 52. Qxh5+ Kg7 53. Qg5+ Qg6 54. Qe5+ Qf6) 51. Qg4 $19 Qd5 {[%cal Rd5h1]} 52. Kh4 (52. f3 $19 Qxf3 53. Qxf3 Bxf3 54. Kh2) 52... Nf6 {Weighted Error Value: White=0.27 (precise) /Black=0.21 (precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.4"]
[White "Ricardi, Pablo"]
[Black "Lopez Azambuja, Nicolas"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2464"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,12,6,34,20,27,0,0,-41,-49,-42,-5,-11,32,42,33,33,50,35,53,43,46,0,19,0,0,0,6,0,0,0,0,0,96,93,115,111,128,123,224,46,213,210,566,513,524,508,500,514,591,255]} 1. c4 {ChessBase II} Nf6 2. Nf3 e6 3. g3 d5 4. d4 Bb4+ 5. Bd2 a5 6. Bg2 O-O 7. Qc2 c5 {E11: Bogo-Indian.} 8. dxc5 d4 9. O-O Nc6 {The position is equal.} 10. Bf4 {To avoid e5} (10. Bxb4 $11 axb4 11. Nbd2) 10... Bxc5 $15 11. Nbd2 {[#]} a4 $146 (11... Ng4 {seems wilder.} 12. Nb3 Ba7 13. Ng5 f5 14. h3 e5) ({Predecessor:} 11... h6 12. Nb3 Bd6 13. Bxd6 Qxd6 14. c5 Qd8 15. Nfd2 a4 16. Nc1 Qe7 17. Nd3 e5 {0-1 (45) Pinter,J (2535)-Tkachiev,V (2605) Port Barcares 2005 CBM 107 [ChessBase II]}) 12. Rad1 Re8 (12... Qb6 $11) 13. Ne5 $1 $14 Nxe5 14. Bxe5 Nd7 {[#]} 15. Ne4 $1 Nxe5 16. Nxc5 Qc7 17. Ne4 (17. b4 $14) 17... Rd8 18. Ng5 f5 19. b3 Qb6 20. c5 Qb4 21. e3 {exd4 is the strong threat.} d3 22. f4 Bd7 {[#]} 23. Qd2 $1 $16 Qxd2 24. Rxd2 Nc6 25. Rxd3 {White is more active.} Nb4 (25... h6 $16) 26. Rd2 $2 (26. Rd4 $18 Nc6 27. Rxa4) 26... Nd5 {This costs Black the game.} ({Black should try} 26... Bb5 $14 27. Rxd8+ Rxd8) 27. Rfd1 Nxe3 {[#]} (27... Re8 {is more resistant.} 28. e4 (28. Bxd5 exd5 29. Kf2 axb3 $16) 28... fxe4) 28. Nxe6 $1 {[%mdl 512] White is clearly winning.} Re8 29. Rxd7 Nxd1 30. Rxd1 Rxe6 31. Bd5 {Weighted Error Value: White=0.22 (precise) /Black=0.41} (31. Bxb7 $142 Rae8 32. Bd5) 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.5"]
[White "Tristan, Leonardo"]
[Black "Coppola, Claudio"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2561"]
[BlackElo "2285"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,25,6,13,8,10,5,12,-5,79,71,91,88,158,143,293,304,288,286]} 1. d4 Nf6 2. Bg5 c5 3. Bxf6 exf6 4. c3 d5 5. e3 Qb6 6. Qb3 {A45: Trompowsky Attack.} c4 7. Qc2 g6 8. Nd2 {[%cal Bb1d2,Bd2c4,Bc4e3][%mdl 32] The position is equal.} Bf5 (8... Qc6 $11) 9. e4 $16 {[#]} dxe4 $146 {[%cal Oe4e3]} ({Predecessor:} 9... Bxe4 10. Nxe4 Qe6 11. f3 f5 12. Nh3 Bh6 13. Nhf2 fxe4 14. fxe4 O-O 15. Be2 dxe4 16. Qxe4 {½-½ (46) Orseth,D-Overas,A Norway 1984}) 10. Nxc4 ({Don't play} 10. Bxc4 $6 e3 11. Ne4 Nd7 $11) 10... Qe6 {[#]} (10... Qc7 $142) 11. Ne3 $1 {[%cal Og2g4]} Bh6 {[#]} (11... Qe7 $16 12. Bb5+ Bd7) 12. g4 $1 $18 Bxg4 13. Bc4 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.00 (flawless) /Black=0.46} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.6"]
[White "Morovic Fernandez, Ivan"]
[Black "Lujan, Carolina"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2498"]
[BlackElo "2334"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,83,42,6,-1,8,6,-1,46,34,45,13,53,50,61,58,59,75,72,70,70,55,93,89,86,82,105,95,155,133,164,110,127,118,116,111,131,117,104,79,179,169,220,139,126,101,124,153,150,132,129,115,254,270,350,301,405,414,397,406,516,460,690,690,931,879,1166,813,928,753]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5,Bb5a3,Ba3b1][%mdl 32]} Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nab1 Be7 {B33: Sicilian: Pelikan and Sveshnikov Variations.} 10. Bxf6 Bxf6 11. a4 bxa4 (11... b4 $11 12. Nd5 O-O) 12. Rxa4 $14 O-O {[#]} 13. Bd3 $146 {[%cal Bf1d3,Bd3c4,Bc4d5][%mdl 32]} ({Predecessor:} 13. Nd2 Bb7 14. Nd5 Bg5 15. Nc4 Rb8 16. Bd3 Ne7 17. O-O Nxd5 18. exd5 f5 19. Na5 Bxd5 {½-½ (29) Nygren,K (2211)-Andersson,F (2299) Sweden 2013}) 13... Ne7 14. O-O Bb7 15. Bc4 Qd7 {[%cal Ob7e4]} 16. b3 a5 17. Nd5 Bc6 18. Ra2 Bxd5 19. Bxd5 Ra7 20. Nc3 Rc8 21. Bc4 Ng6 ({Better is} 21... Rb8) 22. g3 $16 Bd8 23. Qd3 (23. Nb5 $18) 23... Qh3 24. Nd5 ({Reject} 24. Qxd6 $6 Nh4 25. gxh4 Qg4+ 26. Kh1 Qf3+ 27. Kg1 Qg4+ 28. Kh1 Qf3+ 29. Kg1 Qg4+ $11) 24... h5 25. Rd1 h4 26. Qf3 hxg3 27. fxg3 Nh4 28. Qf2 $18 Rc5 (28... Rca8 {keeps fighting.} 29. Raa1 Ng6) 29. Kh1 Qg4 30. Qe2 {Active counter play!} Qxe2 31. Bxe2 Ng6 32. b4 Rc8 33. b5 $36 {[%mdl 2048] Threatens to win with b6. White is really pushing.} Rb8 {[#] Inhibits b6. This costs Black the game.} (33... Raa8 $16 {might work better.} 34. c4 Nf8) 34. Nb4 $1 {[%mdl 512]} Ne7 (34... Rba8 35. Nc6) 35. Rxd6 Bb6 36. Na6 Rbb7 37. c4 {[%cal Bc2c4,Bc4c5][%mdl 32]} Bd4 38. c5 {White is clearly winning.} Rxa6 (38... Ra8 $142 39. c6 Rba7) 39. bxa6 Rb1+ 40. Kg2 {Black must now prevent a7.} Bxc5 41. Rd1 Rb4 42. Rxa5 {Weighted Error Value: White=0.11 (very precise) /Black=0.38} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.7"]
[White "Vazquez, Facundo"]
[Black "Santiago, Yago De Moura"]
[Result "1/2-1/2"]
[ECO "D97"]
[WhiteElo "2319"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "188"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,188,27,19,19,32,27,37,38,33,27,27,44,29,25,31,56,6,80,98,127,120,112,95,141,139,191,187,195,190,236,190,193,169,238,164,182,127,120,121,127,92,110,76,124,132,121,123,133,125,131,19,17,17,17,17,65,65,74,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. Be2 e5 $1 {[%cal Re5d4][%mdl 4] is now more promising than 8...Bg4. D97: Grünfeld: Russian System: 7 e4, replies other than 7...Bg4.} 9. d5 ({Inferior is} 9. Nxe5 Nxd4 10. O-O Nxe4 $1 {[%mdl 512]} 11. Nxe4 Be6 $17) 9... Nd4 10. Nxd4 exd4 {White is slightly better.} 11. Qxd4 c6 $1 {[%cal Of6d5]} 12. Qc4 b5 13. Qxc6 Bd7 14. Qd6 Re8 $1 15. O-O (15. f3 $14) 15... Bf8 {[#]} (15... Nxe4 $11 16. Nxe4 Rxe4) 16. Qa6 $1 $16 ({Much weaker is} 16. Qf4 b4 17. Nd1 Nxe4 $11) 16... b4 {[#]} 17. Bg5 $1 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} Bg7 {[#]} 18. Na4 $146 {And now Nc5 would win.} ({Predecessor:} 18. Nb5 Rxe4 19. Bf3 Re5 20. Bh4 g5 21. Bg3 g4 22. Bxe5 gxf3 23. Qb7 Ne4 24. Bf4 Bxb5 25. Qxb5 {1-0 (40) Papasimakopoulos,V (2103)-Berketis,A (1766) Nikaia 2021}) 18... Bxa4 (18... Rxe4 $142 19. Nc5 Re5 20. Bxf6 Bxf6) 19. Qxa4 Rxe4 (19... h6 $16) 20. Bf3 $18 Re5 21. Bh4 Rf5 (21... Qe8 {was necessary.} 22. Qxb4 Rb8) 22. Qxb4 g5 23. Bg3 {To avoid Rb8} h5 (23... g4 {might work better.}) 24. h4 {Strongly threatening hxg5.} g4 25. Bd1 (25. Be2 $18) 25... a5 $16 26. Qa4 Rxd5 27. Bc2 Rd4 28. Qb5 {aiming for Rfd1.} Rc8 (28... Qd5 $142 29. Qxd5 Nxd5) 29. Bb3 {White is more active.} a4 30. Bxa4 {Black must now prevent Rac1. This bishop pair is nice.} Ne4 31. Bb3 Rc5 32. Qb8 (32. Qb7 $16 {Threatens to win with Rae1.} Qd7 33. Qa6) 32... Nxg3 $11 33. Qxd8+ ({But not} 33. Qxg3 $6 Rf5 $16) 33... Rxd8 34. fxg3 Bxb2 (34... Rd7 $1 $11) 35. Bxf7+ Kg7 36. Rae1 (36. Rab1 $16 Be5 37. Rb7) 36... Be5 {The position is equal.} 37. Bxh5 Bd4+ {[%mdl 64] Discovered Attack} 38. Kh2 Rxh5 39. Re4 Rd7 40. Rxg4+ Kh7 41. Rd1 Rhd5 42. a4 Bg7 43. Rxd5 Rxd5 {[%mdl 4096] Endgame KRB-KR} 44. Rb4 Rd3 45. Re4 Bd4 46. Kh3 Bc5 47. Rc4 Bd6 48. Rg4 Ra3 49. Kh2 Bc7 50. Kh3 Bd6 51. Kh2 Kh6 52. Kh3 Bc7 53. Kh2 Rd3 54. Kh3 Ba5 55. Re4 Kg6 56. Rg4+ Kh7 57. Re4 Kg8 58. Rg4+ Kf7 59. Rf4+ Ke6 60. Rf3 Rd1 61. Kg4 Ra1 62. Rf4 Ra3 63. Kh3 Bc7 64. Rg4 Kf6 65. Kh2 Bd6 66. Kh3 Be5 67. Kh2 Ra1 68. Re4 Kf5 69. Re3 Bc7 70. Rc3 Bd6 71. Rd3 Be5 72. Re3 Rxa4 73. Kh3 Ra1 {[%cal Ra1h1]} 74. Rf3+ Kg6 75. Rb3 Rd1 76. Rf3 Rc1 77. Kg4 Rc4+ 78. Kh3 Rc2 79. Rf1 Bc7 80. Rf3 Bb8 81. Rb3 Be5 82. Rf3 Re2 83. Rf1 Bd6 84. Rf3 Rd2 85. Rf1 Bb8 86. Rf3 Ba7 87. Ra3 {Hoping for Ra6+.} Bc5 88. Rf3 Bd4 89. Rf4 Rd1 90. Kg4 Be5 91. Rf3 Rh1 92. Rb3 Bd4 93. Rd3 Bf6 94. Rf3 Be5 {White really could win this.  Weighted Error Value: White=0.13 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.8"]
[White "Spata, German"]
[Black "Perdomo, Leandro"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2300"]
[BlackElo "2447"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,21,56,57,64,46,54,48]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 c6 8. d5 {The main line 8.d5 scores better than 8.0-0.} Ng4 9. Bg5 {White is slightly better.} f6 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} 10. Bc1 f5 11. exf5 {[#]  Weighted Error Value: White=0.07 (flawless) /Black=0.00 (flawless)} {Predecessor:} gxf5 $146 12. O-O Na6 13. Rb1 c5 14. Ng5 Nf6 15. f3 Nc7 16. a3 Nh5 17. Nh3 f4 18. Nf2 a5 {1-0 (46) Del Rio de Angelis,S (2525)-Sanchez Aller,F (2345) Linares 2018} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.9"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Carvalho, Guillermo"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2439"]
[BlackElo "2171"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,57,19,0,6,0,24,24,81,77,123,94,117,113,119,124,155,155,145,148,166,164,164,168,193,196,193,185,335,355,481,481,542,525,549,557,698,695,811,804,783,757,1283,1260,1537,1578,1293,953]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. b3 c5 6. c4 Nc6 7. e3 dxc4 {A14: English Opening: 1...e6 with b3 by White.} 8. bxc4 e5 9. Bb2 e4 {[#]} (9... Bg4 $11 10. h3 Bxf3 11. Bxf3 Qd7) 10. Ng5 $1 $16 {[%cal Bf3g5,Bg5e4,Be4f2][%mdl 32]} Qd3 (10... Bg4 $142 11. Qb3 Be2) 11. Nc3 {[%cal Rc3e4]} Bf5 {[#]} 12. Qb3 $1 O-O {[#] Hoping for ...Na5.} 13. Ncxe4 $1 {[%mdl 512]} Qxb3 (13... Rfd8 14. Nxf6+) 14. axb3 Nxe4 15. Nxe4 ({Don't do} 15. Bxe4 Bxe4 16. Nxe4 Rad8 $16) 15... Rad8 16. Bc3 a6 17. f4 {[#]} h5 $146 ({Predecessor:} 17... Bg4 18. Nf2 Be2 19. Rfc1 Bd3 20. Nxd3 Rxd3 21. Bxc6 bxc6 22. Rxa6 Bf6 23. Ba5 Rxb3 24. Rxc6 {1-0 (37) Wulf von Moers,J (2181)-Linke,H (1535) Pinneberg 2015}) 18. Nf2 Bc8 19. Bd5 Rxd5 (19... Rfe8 $142 20. Nd3 Be6) 20. cxd5 $18 Nb4 21. e4 {White is clearly winning.} h4 22. Rfc1 hxg3 23. hxg3 {[%cal Bh2g3,Bg3f4][%mdl 32]} g5 24. Kg2 gxf4 25. gxf4 f6 26. Kf3 Kf7 27. Bxb4 cxb4 28. Rc7 Rd8 29. d6 {White took control after the opening.  Weighted Error Value: White=0.05 (flawless) /Black=0.44} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.10"]
[White "Roselli Mailhe, Bernardo"]
[Black "Lavandeira, Juan Bautista"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2426"]
[BlackElo "1516"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,16,27,14,14,13,53,29,45,37,138,137,232,240,231,223,293,242,346,295,308,300,312,266,300,169,176,181,185,166,247,243,254,256,302,307,334,334,318,245,853,842,1702,1725,5543,5581,957,953,915,897,861,841,1589,5935,2587,2370]} 1. d4 d5 2. Bf4 e6 3. e3 Nf6 4. Nd2 c6 5. Bd3 Bd6 6. Bg3 {D00: 1 d4 d5: Unusual lines.} O-O 7. Ngf3 Re8 {[#]} 8. Qe2 $146 {White is slightly better.} ({Predecessor:} 8. Bxd6 Qxd6 9. Ne5 Nbd7 10. f4 Nf8 11. O-O b6 12. g4 c5 13. c3 Bb7 14. Qf3 {0-1 (45) Grabinsky,A (2359)-Rosenthal,N (2169) Chess.com INT 2018}) 8... b6 9. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Bxg3 (9... Be7 $14) 10. hxg3 $16 h6 (10... dxe4 $16 11. Nxe4 Nxe4) 11. e5 $18 Nfd7 12. g4 Nf8 13. Qe3 {Black must now prevent g5.} f6 (13... Ba6 $142 14. c4 f6) 14. exf6 Qxf6 15. Ne5 {[#] Strongly threatening f4.} Nbd7 16. f4 ({Weaker is} 16. Nxc6 e5 17. f4 Qxc6 $15) 16... Nxe5 17. fxe5 (17. dxe5 $142 Qf7 18. O-O-O) 17... Qg5 18. Qxg5 hxg5 19. Nf3 {Threatens to win with Kd2.} c5 (19... a5 $142 20. Nxg5 Ba6 21. Bxa6 Rxa6) 20. c3 g6 21. Nxg5 Re7 22. Kd2 c4 23. Bc2 b5 24. Rh6 {Rah1 is the strong threat.} Kg7 $2 (24... Bd7 25. Rah1 Be8) 25. Rah1 {White is clearly winning.} Rb8 26. Nh7 {White threatens Nxf8 and mate.} Rf7 27. Nxf8 Kxf8 28. Rh8+ Ke7 29. Bxg6 Rg7 {[#]} 30. g5 $1 {Intending R1h7 and mate.} Kd7 (30... Ra8 31. Bc2) 31. R1h7 Rxh7 32. Bxh7 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.18 (very precise) /Black=0.45} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.11"]
[White "Vitoux, Colomban"]
[Black "Labollita, Martin"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2372"]
[BlackElo "2388"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,57,34,25,29,29,25,27,24,27,17,2,18,0,0,0,0,-5,0,-8,0,0,6,0,0,0,0,-142,-150,-208,-168,-193,-170,-182,-184,-158,-91,-29994,-29995,-29995,-29996,-29997,-29996,-29998,-29997,-29997,-29998,-29998,-29999,-29999]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc4 Qe7+ {B11: Caro-Kann: Two Knights Variation.} 7. Be2 Qc7 8. O-O Bd6 {White has an edge.} 9. Re1 O-O 10. h3 {[#]} Re8 $146 ({Predecessor:} 10... c5 11. Bf1 Nc6 12. d4 Rd8 13. d5 Ne7 14. c4 b5 15. b3 Bf5 16. Bd2 a5 17. Nh4 Be5 18. Nxf5 Nxf5 {1-0 (58) Sharma,D (2350)-Barbosa,O (2585) Bandar Seri Begawan 2012}) 11. Bc4 Rxe1+ 12. Qxe1 Nd7 13. d3 {[%cal Oc1f4]} Nf8 14. Be3 Ng6 (14... b5 $5 15. Bb3 c5 $11) 15. a4 Bd7 {[%cal Bc8d7,Bd7h3,Bh3g2][%mdl 32]} 16. b4 Re8 17. Qc3 Qc8 {[%cal Od7h3] Threatens to win with ...Bxh3!} 18. Bc5 (18. Bxa7 $2 Bxh3 $1 19. gxh3 Qxh3 $19) (18. Re1 $11 {remains equal.}) 18... Nf4 $1 $17 {Strongly threatening ...Ne2+.} 19. Qb3 {[#]} (19. Bxf7+ $2 Kxf7 20. Re1 Rxe1+ 21. Qxe1 Bxc5 22. bxc5 Bxh3 $1 $19 {[%mdl 512]}) (19. d4 $17 {was worth a try.} Bxc5 20. dxc5) 19... Bxh3 $1 {[%cal Oc8g4][%mdl 512]} 20. Bxf7+ (20. gxh3 $2 {is a self mate.} Qxh3 $1 21. Bxf7+ Kh8 22. Bxe8 Qg2#) (20. Bxd6 Qg4) 20... Kh8 {[%cal Oc8g4] ( -> ...Qg4!)} 21. Bxd6 {[#]} Qg4 $40 {[%csl Gf4,Gh3][%cal Rg4g2][%mdl 640] Black has strong attack.} 22. Nh4 Nxg2 ({Black should play} 22... Ne2+ $1 23. Kf1 Nd4 $1 24. Bxe8 Nxb3 25. cxb3 Qxh4) 23. Qc4 $2 {[%mdl 8192] [#] Loses the game.} Nf4+ $1 {Black mates.} 24. Kh2 {[#]} Bg2 $1 {[%mdl 512]} 25. f3 (25. Ng6+ hxg6) 25... Qxh4+ 26. Kg1 Qh1+ 27. Kf2 Re2+ 28. Kg3 Qh3+ 29. Kxf4 g5# {Weighted Error Value: White=0.44/Black=0.07 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.12"]
[White "Hoffman, Alejandro"]
[Black "Fernandez, Maria Florencia"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2403"]
[BlackElo "2200"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,76,36,18,58,63,57,62,56,60,62,55,68,67,66,54,76,75,71,40,68,41,36,31,37,34,64,70,68,71,73,75,61,67,68,80,67,72,103,86,133,133,152,116,220,253,245,249,349,325,323,319,306,283,601,566,931,947,1266,902,881,779,600,360,331,265,29999]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 d5 6. Nf3 O-O 7. O-O Ne4 {E11: Bogo-Indian.} 8. Qc2 Nxd2 9. Nbxd2 c6 {White is slightly better.} 10. e4 Nd7 11. a3 Bxd2 12. Nxd2 {[%cal Bf3d2,Bd2e4,Be4c3][%mdl 32]} dxe4 13. Nxe4 Nf6 14. Rfe1 {[#]} h6 $146 ({Predecessor:} 14... Rb8 15. Rad1 Bd7 16. Nc5 b5 17. cxb5 Rxb5 18. Nxd7 Qxd7 19. Bxc6 Qc7 {½-½ (47) Safira,S (2120)-Sachdev,T (2206) Calicut 2003}) 15. Nc3 Qc7 16. b4 {White is much more active. Black has bad knights.} Rd8 17. Red1 {[%cal Be1d1,Bd1d5,Bd5c5][%mdl 32]} Bd7 18. Qb3 e5 19. d5 $1 cxd5 20. Nxd5 Nxd5 21. Rxd5 Bc6 22. Rc5 Qd6 23. Bxc6 bxc6 24. Qa4 Rac8 {Black is now going downhill.} 25. Qxa7 Qd4 ({Black should try} 25... e4) 26. Re1 $16 f6 27. Qa6 Qc3 {[#]} (27... Kh7 $16 {was called for.}) 28. Re3 $1 $18 Qc1+ 29. Kg2 Rc7 (29... Kh7 {was necessary.} 30. Rxc6 Ra8) 30. Rxc6 Rxc6 31. Qxc6 {[%mdl 4096] Endgame KQR-KQR} Rd1 32. h4 {[#] And now Qf3 would win.} Rh1 $2 (32... Rg1+ 33. Kh2 Qf1) 33. Qd5+ Kf8 34. Rd3 {White wants to mate with Qa8+.} Qg1+ 35. Kf3 {Hoping for Qa8+.} Rh2 36. Qa8+ Kf7 37. Qb7+ Kg6 38. Qe4+ Kh5 $2 (38... Kf7 $18 39. Qd5+ (39. Kg4 Rxh4+ 40. Kxh4 Qh2+ 41. Kg4 h5+ 42. Kf3 Qh1+ 43. Ke3 Qe1+ 44. Kf3 Qh1+ 45. Ke3 Qe1+ 46. Kf3 Qh1+ $11) 39... Kg6) 39. Qg4# {Weighted Error Value: White=0.16 (very precise) /Black=0.53} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.13"]
[White "Castro, Cesar"]
[Black "Menna Barreto, Felipe Kubiaki"]
[Result "*"]
[ECO "B30"]
[WhiteElo "2097"]
[BlackElo "2351"]
[Annotator "RC"]
[PlyCount "125"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:11]} 3. Nc3 {[%emt 0:00:12]} e5 {[%emt 0:02:16]} 4. Bc4 {[%emt 0:00:34]} g6 {[%emt 0:01:04]} 5. d3 {[%emt 0:01:07]} h6 {[%emt 0:00:08]} 6. Be3 {[%emt 0:01:13]} d6 {[%emt 0:00:16]} 7. h3 {[%emt 0:02:19]} Bg7 {[%emt 0:02:00]} 8. Nd5 {[%emt 0:02:18]} Nge7 {[%emt 0:00:37]} 9. Qd2 {[%emt 0:05:31]} f5 {[%emt 0:02:08]} 10. Qe2 {[%emt 0:07:00]} Nxd5 {[%emt 0:09:49]} 11. Bxd5 {[%emt 0:01:13]} Qf6 {[%emt 0:02:25]} 12. c3 {[%emt 0:08:01]} Ne7 {[%emt 0:11:32]} 13. Bb3 {[%emt 0:01:41]} f4 {[%emt 0:04:14]} 14. Bd2 {[%emt 0:00:12]} Be6 {[%emt 0:01:06]} 15. d4 {[%emt 0:05:26]} O-O {[%emt 0:01:56]} 16. dxe5 {[%emt 0:01:28]} dxe5 {[%emt 0:00:11]} 17. Qb5 {[%emt 0:03:14]} b6 {[%emt 0:04:19]} 18. O-O-O {[%emt 0:01:51]} Rfd8 {[%emt 0:03:19]} 19. Kb1 {[%emt 0:02:19]} Bxb3 {[%emt 0:08:25]} 20. Qxb3+ {[%emt 0:00:27]} Qf7 {[%emt 0:01:01]} 21. Qxf7+ {[%emt 0:00:41]} Kxf7 {[%emt 0:00:02]} 22. Bc1 {[%emt 0:00:20]} Ke6 {[%emt 0:01:49]} 23. Kc2 {[%emt 0:00:17]} c4 {[%emt 0:03:06]} 24. Rd2 {[%emt 0:02:39]} Rxd2+ {[%emt 0:04:38]} 25. Nxd2 {[%emt 0:00:18]} b5 {[%emt 0:01:26]} 26. a4 {[%emt 0:00:30]} a6 {[%emt 0:00:34]} 27. axb5 {[%emt 0:07:38]} axb5 {[%emt 0:00:03]} 28. Nb1 {[%emt 0:00:07]} Bf8 {[%emt 0:04:22]} 29. Rd1 {[%emt 0:04:44]} Nc6 {[%emt 0:01:04]} 30. Rd5 {[%emt 0:11:00]} Rb8 {[%emt 0:01:59]} 31. g3 {[%emt 0:04:47]} Bd6 {[%emt 0:01:31]} 32. Na3 {[%emt 0:01:02]} Bxa3 {[%emt 0:02:48]} 33. bxa3 {[%emt 0:00:01]} g5 {[%emt 0:03:27]} 34. Rc5 {[%emt 0:00:29]} Kd6 {[%emt 0:03:47]} 35. Rd5+ {[%emt 0:00:02]} Kc7 {[%emt 0:03:04]} 36. Rd1 {[%emt 0:07:30]} fxg3 {[%emt 0:01:04]} 37. fxg3 {[%emt 0:00:02]} Rf8 {[%emt 0:00:11]} 38. Re1 {[%emt 0:00:53]} Rf2+ {[%emt 0:00:22]} 39. Kd1 {[%emt 0:00:41]} Rh2 {[%emt 0:01:59]} 40. Be3 {[%emt 0:01:27]} Rxh3 {[%emt 0:00:37]} 41. Bf2 {[%emt 0:00:24]} h5 {[%emt 0:02:04]} 42. Ke2 {[%emt 0:00:58]} h4 {[%emt 0:00:47]} 43. Kf3 {[%emt 0:00:03]} hxg3 {[%emt 0:01:44]} 44. Bxg3 {[%emt 0:00:02]} Rh8 {[%emt 0:01:07]} 45. Kg4 {[%emt 0:00:09]} Rd8 {[%emt 0:01:27]} 46. Rb1 {[%emt 0:03:38]} Kb6 {[%emt 0:04:48]} 47. a4 {[%emt 0:00:13]} b4 {[%emt 0:00:19]} 48. cxb4 {[%emt 0:00:20]} c3 {[%emt 0:00:20]} 49. Rc1 {[%emt 0:01:03]} Rd3 {[%emt 0:03:23]} 50. b5 {[%emt 0:00:07]} Nb4 {[%emt 0:00:30]} 51. Bxe5 {[%emt 0:00:37]} c2 {[%emt 0:00:16]} 52. Kxg5 {[%emt 0:01:26]} Ka5 {[%emt 0:01:51]} 53. Ra1 {[%emt 0:00:57]} Na2 {[%emt 0:01:24]} 54. Bf4 {[%emt 0:00:46]} Nc3 {[%emt 0:00:31]} 55. e5 {[%emt 0:02:20]} Ne2 {[%emt 0:00:54]} 56. Rc1 {[%emt 0:02:40]} Nxc1 {[%emt 0:00:30]} 57. Bxc1 {[%emt 0:00:01]} Rd1 {[%emt 0:00:12]} 58. Be3 {[%emt 0:00:26]} Re1 {[%emt 0:00:51]} 59. Bd2+ {[%emt 0:00:29]} Kxa4 {[%emt 0:00:02]} 60. Kf6 {[%emt 0:00:13]} Kxb5 {[%emt 0:00:35]} 61. e6 {[%emt 0:01:20]} Kc6 {[%emt 0:00:12]} 62. Bf4 {[%emt 0:00:02]} Rf1 {[%emt 0:00:21]} 63. e7 {[%emt 0:00:05]} *

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.14"]
[White "Brizzi, Milagros Tatiana"]
[Black "Carbone, Diego"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2063"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,78,-6,-16,-6,-65,-59,-62,-50,-46,-41,-39,-43,-33,-40,-41,0,0,33,41,36,27,31,45,21,40,37,0,0,-62,0,-75,-132,-249,-248,-248,-239,-156,-85,-308,-308,-636,-635,-795,-466,-581,-559,-725,-682,-824,-819,-829,-820,-1296,-1245,-1313,-1296,-29975,-29976,-29982,-29983,-29979,-29979]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. Nd2 O-O-O 10. Qe4 Nb6 {C45: Scotch Game.} 11. c5 (11. f4 $11) 11... Bxf1 $15 12. cxb6 Bb5 {Black is slightly better.} 13. bxa7 {[%cal Ra7a8]} Kb7 {[#]} 14. a4 $146 ({Predecessor:} 14. Nb3 d5 15. Qe3 d4 16. Qe4 Rd5 17. f4 Qd7 18. Bd2 Be7 19. a4 Ba6 20. Kf2 Kxa7 {0-1 (34) Furmston,M-Mardle,D England 1977}) 14... Ba6 {[%mdl 1024] Black has compensation.} 15. b4 d5 16. Qe3 (16. exd6 Rxd6 17. Qxe7 (17. b5 $2 Re6 $19) 17... Bxe7 $17) 16... d4 (16... Ka8 $15 {is superior.} 17. Ba3 d4) 17. Qe4 $11 {aiming for b5.} Rd5 {Inhibits b5.} (17... Ka8 $5 {[%cal Rd8d5]}) 18. f4 {[%cal Ob4b5] Strongly threatening b5!} (18. b5 $2 Rxe5 $1 19. f3 (19. bxa6+ $2 Kxa7 20. O-O Rxe4 $19) 19... f5 $1 20. bxa6+ Kxa7 $19) 18... Kxa7 19. b5 Bb7 20. bxc6 Bxc6 21. O-O Qd7 22. Nb3 {Inhibits Rc5.} Bb4 23. Bb2 (23. Qc2 $11) 23... Rd8 ({Black should play} 23... Bb7 $1 $15 24. Ba3 (24. Nxd4 $2 Bc5 $19) (24. Bxd4+ Rxd4 25. Qxd4+ Qxd4+ 26. Nxd4 Bc5 $17) 24... Bxa3 25. Rxa3 c5) 24. Rfd1 {[#]} (24. Qxh7 d3 25. Qe4 Be7 $17) (24. Rac1 $11 Ba8 25. Bxd4+ (25. Qxh7 $2 d3 $19) 25... Rxd4 26. Qxd4+ Qxd4+ 27. Nxd4 Rxd4 28. Rxc7+ Kb6 29. Rxf7) 24... Bb7 $1 $17 25. Rxd4 ({Don't go for} 25. Nxd4 $2 Bc5 26. Rac1 Bxd4+) (25. Ba3 $17 Bxa3 26. Rxa3) 25... c5 $19 {[%cal Rd5d4]} 26. Rxd5 Bxd5 27. Qc2 {[#]} Qg4 (27... Be6 $142 $1 28. Rf1 (28. Nxc5 $2 Qc6 $19) 28... Qd5) 28. Rf1 $2 {Now White is beyond hope.} (28. Ba3 $17 {was the only defense.} Bxa3 29. Rxa3) 28... Bb7 {[%cal Od8d2] A strong pair of Bishops.} 29. Qf2 {Prevents Rd2.} (29. h3 Qg3 30. Rf2) 29... Rd3 30. h3 Qg6 {...Rg3 is the strong threat.} 31. f5 Qc6 32. e6 fxe6 ({Worse is} 32... Rxb3 33. exf7 Rxb2 34. Qxb2 $11) 33. fxe6 Rxb3 34. e7 {[#]} Re3 $3 {[%mdl 512]} 35. Bxg7 (35. Bc1 Rxe7) 35... Rxe7 36. Bf8 Re5 {( -> ...Rg5)} 37. Rc1 {[#]} Rf5 $1 {[%mdl 512] Black mates.} 38. Bxc5+ (38. Qg3 Rxf8) 38... Bxc5 39. Rxc5 Qxc5 {Weighted Error Value: White=0.91/Black=0.17 (very precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.15"]
[White "Michailov, Matias"]
[Black "Dotta, Gian Franco"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2248"]
[BlackElo "1991"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,87,0,0,-6,0,0,0,0,0,0,0,0,9,-7,0,-13,0,0,0,0,0,-17,-23,-22,-18,-30,-20,-90,-89,-104,-57,-72,-33,-39,-37,-55,-39,-42,-33,-174,-179,-200,-196,-194,-171,-173,-190,-181,-184,-173,-146,-370,-346,-453,-60,-76,0,-40,-40,-40,-40,-40,-40,-52,-52,-47]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 c6 7. cxd5 exd5 8. Bd3 Nbd7 {[%cal Bb8d7,Bd7f6,Bf6h7][%mdl 32]} 9. O-O Ne4 10. Bxe7 Qxe7 11. Qc2 Ndf6 $1 {[%mdl 4] is now more promising than 11...f5.} 12. Rab1 Bf5 13. Na4 {[#] D35: Queen's Gambit Declined: Exchange Variation.} h6 $146 ({Predecessor:} 13... g6 14. b4 a6 15. Ne5 Rfe8 16. Rfe1 Nd6 17. Bxf5 Nxf5 18. Nc5 Nd6 19. a4 Nh5 20. a5 Ng7 {0-1 (78) Gordon,S (2556)-Smeets,J (2613) Germany 2013}) 14. Ne5 {Hoping for f3.} Bh7 15. Rfc1 {The position is equal.} Nd6 16. Bxh7+ Nxh7 17. Nc5 Nf6 18. f3 Rac8 19. b4 b6 20. Ncd3 Nd7 21. Nxd7 Qxd7 22. Qf2 Nc4 23. Re1 Ra8 24. a4 Rfe8 25. Nf4 (25. Nb2 $11 {remains equal.}) 25... Qf5 $17 {[%cal Oe8e3]} 26. Rb3 Re7 (26... a5 $1 $17 27. g4 Qf6) 27. g4 Qf6 28. Nh5 Qg6 29. Ng3 {To avoid f5} Re6 30. b5 cxb5 31. Rxb5 (31. axb5 $15 Rae8 32. h3) 31... Qd3 $1 $19 {[%cal Rc4e3]} 32. e4 {[#]} dxe4 33. fxe4 Nd6 {Inhibits Rf5.} 34. Rd5 Nxe4 35. Qf5 {[#] Threatens to win with Rd7.} g6 $1 36. Qf1 Qc2 {aiming for ...Nd2.} 37. Rd7 $2 {[#]} (37. Qg2 $17 Qxg2+ 38. Kxg2 Nxg3 39. Rde5) 37... Rf8 $1 38. Qg2 Qxg2+ ({Wrong is} 38... Qxa4 $2 39. Nxe4 Qxd7 40. d5 Rxe4 41. Qxe4 $19) (38... Nd2 $19 {and Black stays clearly on top.} 39. Ra1 Qc3) 39. Kxg2 $17 Rfe8 ({Black should try} 39... Nf6 $17 40. Rxe6 fxe6 41. Rxa7 Nxg4) 40. Rxa7 Nxg3 {Black is slightly better.} 41. Rxe6 Rxe6 {[%cal Be8e6,Be6d6,Bd6d4][%mdl 32]} 42. Kxg3 Rd6 43. Rb7 {[%cal Od4d5]} Rxd4 44. Rxb6 {White happily takes the draw.  Weighted Error Value: White=0.29 (precise) /Black=0.32} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.16"]
[White "Curi, Gabriel"]
[Black "Meza, Anahi"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2205"]
[BlackElo "1996"]
[Annotator "RC"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:23]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:06]} g6 {[%emt 0:00:06]} 3. f3 {[%emt 0:00:36]} Bg7 {[%emt 0:00:18]} 4. e4 {[%emt 0:00:07]} d6 {[%emt 0:00:05]} 5. Nc3 {[%emt 0:00:04]} O-O {[%emt 0:00:07]} 6. Be3 {[%emt 0:00:05]} c5 {[%emt 0:00:35]} 7. Nge2 {[%emt 0:01:16]} Nc6 {[%emt 0:00:24]} 8. Qd2 {[%emt 0:05:10]} cxd4 {[%emt 0:08:06]} 9. Nxd4 {[%emt 0:00:08]} Nxd4 {[%emt 0:00:33]} 10. Bxd4 {[%emt 0:00:07]} Bd7 {[%emt 0:00:39]} 11. Be2 {[%emt 0:00:07]} Bc6 {[%emt 0:00:08]} 12. O-O {[%emt 0:00:09]} Nd7 {[%emt 0:00:16]} 13. Bf2 {[%emt 0:00:18]} a5 {[%emt 0:00:59]} 14. b3 {[%emt 0:00:29]} Nc5 {[%emt 0:01:13]} 15. Rab1 {[%emt 0:00:07]} Be5 {[%emt 0:03:14]} 16. Rfc1 {[%emt 0:02:35]} e6 {[%emt 0:02:48]} 17. Bd1 {[%emt 0:02:23]} g5 {[%emt 0:09:00]} 18. Be3 {[%emt 0:19:32]} g4 {[%emt 0:09:01]} 19. Bg5 {[%emt 0:05:48]} f6 {[%emt 0:03:53]} 20. Bh6 {[%emt 0:02:47]} Rf7 {[%emt 0:01:14]} 21. a3 {[%emt 0:26:23]} gxf3 {[%emt 0:05:40]} 22. gxf3 {[%emt 0:00:08]} f5 {[%emt 0:06:25]} 23. b4 {[%emt 0:01:52]} axb4 {[%emt 0:01:18]} 24. axb4 {[%emt 0:00:06]} Na4 {[%emt 0:02:24]} 25. Nxa4 {[%emt 0:03:06]} Bxa4 {[%emt 0:00:02]} 26. Bxa4 {[%emt 0:00:07]} Rxa4 {[%emt 0:00:03]} 27. Kh1 {[%emt 0:09:30]} fxe4 {[%emt 0:07:37]} 28. Rg1+ {[%emt 0:06:20]} Kh8 {[%emt 0:00:02]} 29. fxe4 {[%emt 0:00:25]} Qh4 {[%emt 0:03:33]} 30. Qg2 {[%emt 0:00:34]} Ra8 {[%emt 0:00:18]} 31. Rbf1 {[%emt 0:02:12]} Qe7 {[%emt 0:11:05]} 32. Bg5 {[%emt 0:00:17]} Qc7 {[%emt 0:00:52]} 33. Rxf7 {[%emt 0:08:22]} Qxf7 {[%emt 0:00:02]} 34. Bh6 {[%emt 0:01:09]} Bd4 {[%emt 0:07:22]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.17"]
[White "Garcia, Luis E."]
[Black "Muniz, Rafael"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2192"]
[BlackElo "2194"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,125,35,16,25,18,49,29,34,-43,-27,-34,-21,-34,0,0,0,0,0,0,-8,-33,12,10,5,-7,12,0,0,0,0,-6,0,-17,0,0,10,18,58,58,64,75,81,50,338,287,322,93,96,104,93,41,47,-16,-3,-12,0,0,0,0,0,-186,-179,-181,-85,-85,-89,-89,0,0,17,0,0,0,0,-129,-131,-111,-111,-111,-111,-476,-473,-481,-468,-441,-8,-8,-8,-698,-682,-1196,-647,-476,0,0,0,0,0,0,0,-12834,-10407,-12794,-12239,-2687,0,-6579,-6357,-5708,-5616,-1608,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. e4 h5 {A25: English Opening vs King's Indian with ...Nc6 but without early d3.} 7. h4 {[#]} Nge7 $146 ({Predecessor:} 7... g6 8. Nge2 Bg7 9. Rb1 Nd4 10. Nxd4 exd4 11. Nd5 c6 12. Nf4 Nh6 13. Nxe6 fxe6 14. Bh3 {1-0 (32) Marin,I (2261)-Anusca,M (1973) Napoca 2008}) 8. Nd5 Nd4 {White has an edge.} 9. f4 (9. Be3 $1 $14) 9... Bg4 $15 10. Nf3 Nxd5 (10... exf4 {keeps more tension.} 11. Bxf4 c6 12. Nxe7 Bxe7 13. O-O O-O) 11. cxd5 Be7 12. Be3 $1 Nxf3+ 13. Bxf3 exf4 14. Bxf4 Bf6 15. Rh2 Bd4 (15... c6 $15 {feels stronger.}) 16. Bxg4 $11 hxg4 17. Qd2 Rh5 18. O-O-O c6 19. Qb4 {[%csl LRd4,LRd6]} c5 20. Qd2 a5 21. Re2 Ra6 22. Qe1 Qe7 23. Bd2 a4 24. Bc3 Qe5 25. Bxd4 Qxd4 26. Qc3 Qe5 $2 {[%mdl 8192]} (26... Qxc3+ $14 27. bxc3 Rb6) 27. d4 $18 Qf6 28. dxc5 $2 (28. e5 $1 $18 {[%cal Re5f6] is the precise move to win.} dxe5 29. dxe5 (29. Qxc5 Rd6 $16)) 28... Qxc3+ $16 29. bxc3 dxc5 $18 {[%mdl 4096] Endgame KRR-KRR} 30. e5 (30. Rf1 $16) 30... Rf5 $14 31. Re3 (31. Re4 $14) 31... Rb6 32. Rde1 a3 33. c4 Rb4 34. Rxa3 Rxc4+ 35. Kd2 $2 (35. Kb2 $11 {and White has nothing to worry.}) 35... Rf2+ $19 36. Re2 Rxe2+ (36... Rd4+ $1 $19 37. Rd3 Rxd3+ 38. Kxd3 Rxe2 39. Kxe2 b5) 37. Kxe2 {KR-KR} Re4+ 38. Re3 Ra4 (38... Rxe3+ $1 $17 39. Kxe3 Ke7) 39. a3 c4 40. Re4 b5 41. Re3 Ke7 42. Rc3 (42. Kd2 $11) 42... f6 $1 $17 43. exf6+ Kxf6 {White must now prevent ...Ke5.} 44. Re3 Ra6 45. Re4 $2 {[%mdl 8192]} (45. Kd2 $17 {is a better chance.}) 45... Rxa3 $19 46. Rxg4 Rd3 47. Rg5 {[%cal Od5d6] [#]} b4 $2 (47... Rd4 $1 $19 48. d6 b4) 48. Rg4 $11 Rc3 49. Kd2 $2 {[%mdl 8192]} (49. Rd4 $11) 49... Ke5 50. Rxg7 Kxd5 {aiming for ...Rd3+.} 51. h5 {[%cal Bh4h5,Bh5h6][%mdl 32] [#]} Ra3 $2 ({Better is} 51... Rd3+ $1 $19 52. Kc1 Ra3) 52. h6 $1 Ra2+ 53. Ke3 Rh2 {And now ...c3 would win.} 54. Rg5+ Kd6 {Threatens to win with ...c3.} 55. Kd4 {[%mdl 8192]} (55. Rg4 $11 c3 56. Rxb4) 55... c3 $19 56. Rd5+ Kc6 57. Rc5+ Kd6 (57... Kb6 $142 58. Rc8 Rxh6 59. Rb8+ Ka5) 58. Rd5+ $1 Ke6 59. Re5+ Kf6 60. Re1 Rd2+ $2 ({Black should try} 60... Kg6 $19 {Strongly threatening ...Rd2+.} 61. Ke3 Kxh6) 61. Kc4 $11 {The position is equal.} c2 {( -> ...Rd1)} 62. Rc1 Kg6 63. Kxb4 {Both players deserved the win here.  Weighted Error Value: White=0.71/Black=0.54} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.18"]
[White "Araque, Jairo"]
[Black "Granara Barreto, Sebastian"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1970"]
[BlackElo "2131"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,84,9,27,37,60,55,36,45,66,67,83,47,41,6,8,10,4,-4,-6,-7,11,0,0,0,10,0,6,-21,0,-108,-73,-138,0,0,0,0,0,-12,0,0,0,-20,-20,-31,-33,-31,-47,-52,-33,-47,0,0,35,6,71,0,0,-406,-106,-87,-99,-1018,-1013,-920,-927,-1027,-1022,-986,-906,-12836,-12835,-12840,-1358]} 1. d4 Nf6 2. Bf4 e6 3. e3 c5 4. c3 d5 5. Nd2 Nc6 6. Ngf3 Be7 7. Bd3 Qb6 8. Rb1 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bd7 9. h3 Rc8 10. O-O {White is slightly better.} cxd4 11. exd4 (11. Nxd4 Nxd4 12. exd4 Bb5 $11) 11... Na5 12. Qe2 a6 {[#]} 13. Rfe1 $146 ({Predecessor:} 13. Rfc1 Bb5 14. c4 dxc4 15. Nxc4 Nxc4 16. Bxc4 Bxc4 17. Rxc4 Rxc4 18. Qxc4 O-O 19. a3 {0-1 (32) Nevado Munoz,R (1467)-Barragan Panal,J (1679) Madrid 2020}) 13... Bb5 $1 14. Bxb5+ Qxb5 15. Qxb5+ axb5 16. a3 O-O 17. Ne5 h6 18. f3 Rfd8 19. g4 Nc4 20. Nexc4 dxc4 21. Re2 (21. Bg3 $11) 21... Nd5 $17 22. Bg3 {[#]} (22. Be3 $142) 22... Ra8 (22... Bxa3 $1 $17 {[%mdl 512] Strongly threatening ...Bf8.} 23. Ne4 (23. bxa3 Nxc3 24. Re3 Nxb1 $17) 23... Bf8) 23. Ne4 $11 Ra6 24. Rbe1 g5 25. Kh2 f6 26. h4 Kf7 27. Kg1 {[%cal Bh2g1,Bg1f1,Bf1e2][%mdl 32]} gxh4 28. Bxh4 Rg8 29. Kf1 f5 30. Bxe7 {Nc5 is the strong threat.} fxe4 31. Bh4 e3 (31... exf3 $15 32. Rf2 Rxg4 33. Rxf3+ Rf4) 32. Rh2 Rg6 {[%cal Ob5b4]} 33. Bg3 Rf6 (33... b4 $1 $11 {remains equal.}) 34. Ke2 ({White should try} 34. Be5 $16 Rxf3+ 35. Ke2 Rf2+ 36. Rxf2+ exf2 37. Kxf2) 34... b4 $1 35. Be5 $2 {[%mdl 8192]} (35. axb4 Ra2 36. f4 Rxb2+ 37. Kf3 Rb3 $17) (35. cxb4 $11 c3 36. b5) 35... bxa3 $2 {The board is on fire.} (35... bxc3 $19 {is more deadly.} 36. g5 (36. Bxf6 $2 cxb2 37. Be5 Rxa3 $19) 36... hxg5 37. Rh7+ (37. Bxf6 $2 Kxf6 38. bxc3 Rxa3 $19) 37... Kg6 38. Rxb7 cxb2 39. Bxf6 Nf4+ 40. Kf1 e2+ 41. Rxe2 c3 42. Rexb2 (42. Rc2 $2 Nd5 $19) 42... cxb2) 36. Bxf6 $17 axb2 {Hoping for ...Ra1.} 37. Be5 $2 {[%mdl 8192] This costs White the game.} (37. Rxh6 $2 Ra1 38. Reh1 Rxh1 39. Rxh1 Kxf6 $19) (37. Kf1 $17 Nxc3 {[#]} 38. Rxb2 $1 Kxf6 39. Rc2 (39. Rxe3 Nd1 $17) (39. Rxb7 Nd5 $15)) 37... Ra2 $19 {Black is clearly winning.} ({Don't blunder} 37... Ra1 $2 38. Rhh1 Ra3 39. Kf1 $19 (39. Rxh6 $2 Nxc3+ 40. Kxe3 Nd1+ 41. Kf4 b1=Q $19) (39. Bd6 $2 Rb3 $19)) 38. Kf1 Nxc3 {And now ...e2+ would win.} 39. Rxb2 Rxb2 40. Rxe3 Nd5 41. Re2 c3 42. Bd6 b5 {Weighted Error Value: White=0.75/Black=0.27 (precise)} (42... c2 $142 43. Rxc2 Rxc2) 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.19"]
[White "Manteiga, Franco"]
[Black "Miranda, Rafael"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "1915"]
[BlackElo "2264"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,126,8,10,15,15,9,4,0,0,0,0,0,-10,-9,0,6,-13,0,-37,-25,-67,-15,-40,-44,-33,-39,-53,-64,-66,-66,-69,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,36,0,0,0,0,0,5,0,5,0,0,0,0,0,7,0,0,0,0,0,0,0,0,-260,-270,-719,-695,-621,-572,-647,-627,-619,-556,-495,-449,-457,-452,-660,-626,-632,-499,-12839,-12839,-12840,-12839,-12840,-12840,-12845,-12846,-12846,-12847,-12847,-12847,-12849,-12849,-12850,-12849,-12850,-12849,-12850,-12850,-12850,-27998,-27999,-27999]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nxc3 7. Bxc3 O-O 8. Qd2 Nd7 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 9. Nf3 {Inhibits e5.} b6 {[#]} 10. d5 $146 ({Predecessor:} 10. Bd3 Bb7 11. b4 a5 12. bxa5 c5 13. d5 Bxc3 14. Qxc3 Rxa5 15. a4 Ba6 16. Bxa6 Rxa6 {½-½ (86) Bluebaum,M (2669)-Erdos,V (2614) Krasnaya Polyana 2021}) 10... Nf6 {The position is equal.} 11. Bd3 e6 12. dxe6 Bxe6 13. Nd4 Bd7 14. O-O c5 15. Ne2 Bc6 16. Ng3 b5 17. Qg5 Nd7 ({Don't take} 17... Qxd3 18. Bxf6 h6 19. Qf4 $11) (17... b4 $15 18. Bxf6 Bxf6 19. Qxc5 Qxd3 20. Qxc6 Bxb2) 18. Qxd8 Rfxd8 19. Bxg7 Kxg7 20. Rfd1 c4 21. Be2 Nc5 22. f3 Na4 {Black is more active.} ({Better is} 22... a5 $15) 23. b3 $1 $11 Nc3 24. Rdc1 Nxe2+ 25. Nxe2 Rd2 26. Nf4 g5 27. Nh5+ Kg6 28. Ng3 Bd7 29. bxc4 bxc4 30. Rxc4 Rb8 31. Nf1 $1 Rd3 32. Rac1 Ra3 33. R4c2 Be6 34. Kf2 Rb5 35. Ne3 a5 36. Nc4 Ra4 37. Nd6 Rb6 38. Nc8 Rb7 39. Nd6 Rbb4 40. Ne8 Rxa2 41. Rxa2 Bxa2 {[%mdl 4096] Endgame KRB-KRN} 42. Rc6+ Be6 43. Nc7 $2 {[%mdl 8192] Black continues to play with concentration.} (43. Ra6 $11) 43... Rc4 $19 44. Rxc4 (44. Nd5 Rxc6 45. Ne7+ Kf6 46. Nxc6) 44... Bxc4 {KB-KN} 45. Ke3 a4 {[%cal Ba5a4,Ba4a3,Ba3a2][%mdl 32] Threatens to win with ...a3.} 46. Kd4 {[#]} a3 $1 {Strongly threatening ...a2.} 47. Kc3 {[#]} a2 $1 48. Kb2 {[#]} Kf6 $1 49. Ne8+ Ke5 50. Ng7 (50. g3 $142 Be2 51. f4+ gxf4 52. gxf4+ Kxf4 53. Nd6) 50... Bf1 51. g3 Bg2 52. f4+ (52. Kxa2 $142 Bxf3 53. Ne8) 52... gxf4 53. gxf4+ Kxf4 54. Nh5+ Ke5 55. Kxa2 Bxe4 56. Kb2 Bg6 57. Ng3 Kf4 58. Kc3 Kf3 59. Kd4 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 60. Ke5 h4 61. Nf1 Ke2 62. Ng3+ hxg3 63. hxg3 Kf3 {Weighted Error Value: White=0.39/Black=0.06 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.20"]
[White "Elena, Eduardo"]
[Black "Sanhueza, Cristian"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1712"]
[BlackElo "2242"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,130,-91,-93,-89,-92,-102,-75,-75,-97,-85,-31,-108,0,-85,0,-107,-47,-135,-83,-85,-15,-12,0,-83,-83,-99,-97,-89,-94,-106,-25,-18,-19,-31,-15,-145,-128,-130,-143,-630,-622,-824,-754,-748,-749,-717,-716,-704,-600,-550,-356,-362,-327,-350,-291,-294,-293,-293,-283,-293,-270,-1077,0,-293,-290,-281,-146,-129,0,-285,-285,-403,-408,-388,-370,-151,0,-325,-125,-163,-165,-353,-346,-353,-317,-6179,-6170,-2541,0,-876,0,-353,-351,-316,-316,-268,-77,-460,-475,-440,0,-91,-100,-112,-119,-248,-267,-461,-438,-29996,-617]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. f3 O-O 8. Qd2 d5 9. Nxc6 bxc6 10. e5 Nd7 11. f4 e6 12. Be2 {B34: Sicilian: Accelerated Dragon with 5 Nc3: sidelines.} f6 13. exf6 Qxf6 {Hoping for ...d4.} 14. Rd1 {Black is better.} Rb8 15. Na4 Nb6 {[#]} (15... Qh4+ $1 $17 16. g3 Qe7) 16. Nc3 $146 (16. Nxb6 $15 axb6 17. c3) ({Predecessor:} 16. Nxb6 axb6 17. c3 c5 18. O-O Bb7 19. Bg4 Rbe8 20. Bf3 Rf7 21. Qc2 Qe7 22. Rfe1 Qd6 23. Qb3 Ref8 24. Rd2 {0-1 (80) Mazi,L (2360)-Supancic,D (2390) Pula 1986}) 16... Nd7 17. Na4 Nb6 18. Nc3 Qh4+ (18... Qe7 $1 $17 {White must now prevent ...e5.} 19. O-O c5) 19. g3 (19. Bf2 $1 $15 Qe7 20. O-O) 19... Qh3 ({Better is} 19... Qe7 {Threatens to win with ...c5.} 20. O-O c5) 20. Bf1 $17 Qg4 (20... Qf5 $17 21. Bd3 Qh3) 21. Be2 $1 $11 Qh3 (21... Qf5 $11) 22. Bf1 $17 Qf5 23. Bd3 Qf6 24. O-O Qe7 $1 {Inhibits Bc5.} 25. Qf2 Nd7 {To avoid Bc5} (25... Rf7 $17 {aiming for ...e5.} 26. Rfe1 (26. Bc5 Qc7 $15) 26... e5) 26. Na4 $1 $11 e5 {...Rb4 is the strong threat.} 27. c3 {Inhibits Rb4.} exf4 28. Bxa7 (28. gxf4 $11 {remains equal.} Qe6 29. Qg3 (29. f5 gxf5 30. Nc5 Qg6+ 31. Kh1 Nf6 $11)) 28... fxg3 $17 29. Qxg3 Ra8 30. Qc7 $2 {[%mdl 8192]} (30. Rde1 $17 Rxf1+ 31. Bxf1) 30... Qg5+ $19 31. Kh1 Ne5 32. Rxf8+ Bxf8 33. Rg1 Qh5 34. Bf1 Bg4 35. Bd4 Nf3 (35... Rxa4 36. Qxe5 Qxe5 37. Bxe5 $17) 36. Rxg4 Qxg4 {Dancing on a razor blade.} 37. Qxc6 Rd8 38. Qf6 {[#]} Nxd4 $1 39. Qxd8 Qe4+ (39... Qf3+ $2 40. Kg1 Qe3+ 41. Kh1 Qe4+ 42. Kg1 $19) 40. Kg1 Qe3+ (40... Nf3+ 41. Kf2 Ne5 42. Be2 $17) 41. Kg2 $2 (41. Kh1 Qf3+ 42. Kg1) 41... Qe4+ $2 (41... Qd2+ 42. Kg3 Nf5+ 43. Kf3 g5) 42. Kg1 Ne6 (42... Nf3+ 43. Kf2 Ne5 44. Be2 $17) 43. Qe8 Qe3+ $40 {[%mdl 128] White is in trouble.} (43... Kg7 $1 $19 {And now ...Qe3+ would win.} 44. Kf2 Kf6) 44. Kh1 $17 Qe4+ $2 (44... Qf3+ $17 45. Kg1 Qe3+ 46. Kh1 Qe4+ 47. Kg1 Kg7) 45. Kg1 $19 Kg7 $1 46. Kf2 {To avoid Qe3+} (46. Qb5 $142 Nf4 47. Qb6 Qxa4 48. Qd4+ Qxd4+ 49. cxd4) 46... Qf4+ 47. Ke1 Qc1+ 48. Kf2 Qf4+ $2 (48... Qd2+ $17 49. Be2 (49. Kg1 Qe3+ 50. Kh1 Qf2 $19) 49... Kf6) 49. Ke1 $1 Ng5 $2 (49... Kf6 $1 $19 {has better winning chances. Strongly threatening ...Bh6.} 50. Be2 Bh6 51. Qh8+ Kf5 52. Bd3+ Kg5) 50. Qd7+ Kh6 {[%mdl 1024] Black has strong compensation.} 51. Be2 $2 (51. Qxd5 {is a better defense.} Qxa4 52. Qc4 Qe8+ 53. Kd1) 51... Qc1+ ({Not} 51... Qxh2 52. Qa7 $17) 52. Kf2 Ne4+ 53. Kf3 $2 (53. Kg2 Qf4 54. Qh3+ Kg7 55. Qf3 Qg5+ 56. Qg4) 53... Qh1+ 54. Ke3 Qc1+ (54... Bc5+ $142 55. Nxc5 Qg1+ 56. Kd3 Nxc5+ 57. Kc2 Nxd7) 55. Kf3 Ng5+ (55... Qg1 $142 56. Qh3+ Kg7 57. Qd7+ Kh8 58. Qxd5 Ng5+ 59. Kf4 Bd6+ $1 {[%mdl 512]} 60. Qxd6 Qxh2+ 61. Kxg5 Qxd6) 56. Kf2 {[#]} Bd6 $1 {[%mdl 512]} 57. Qg4 Ne4+ 58. Kg2 Qd2 $2 (58... Qe1 $1 $19 {[%cal Re1f2] ( -> ...Qf2+)} 59. Qf3 Kg7) 59. Qh3+ $2 {[%mdl 8192]} (59. c4 $17 {is tougher.}) 59... Kg7 60. Qd7+ Kh6 $2 (60... Kf8 $19 61. Qd8+ Kg7 62. Qd7+ Kf6 63. Qd8+ Be7 64. Qb6+ Kg5) 61. Qh3+ $17 {[#]} Kg5 $1 {Black is more active.} ({Wrong is} 61... Kg7 $2 62. Qd3 Qf4 63. Qd4+ Be5 64. Qa7+ Kf8 65. Qg1 $19) 62. Qg4+ {[#]} Kf6 $1 63. Qf3+ (63. b4 $17 {was called for.}) 63... Kg7 $19 64. Qd3 $2 (64. c4 Qh6 65. Qh3 Qg5+ 66. Qg4) 64... Qf4 ({Avoid the trap} 64... Qg5+ $2 65. Kf1 $19) 65. Qf3 (65. Qd4+ $19 Be5 66. Qa7+ Kf8 67. Qg1) 65... Qxh2+ {Weighted Error Value: White=0.73/Black=0.66} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.21"]
[White "Guerrero, Alvaro"]
[Black "Nejanky, Maisa"]
[Result "0-1"]
[ECO "A51"]
[WhiteElo "2123"]
[BlackElo "1948"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,-7,0,-20,-8,-30,-12,-12,-10,-23,-31,-27,-16,-25,-11,-13,10,12,16,8,8,1,1,-13,-24,-49,-37,-70,-27,-46,-46,-95,-86,-93,-84,-129,-133,-131,-143,-143,-137,-127,-123,-141,-136,-145,-129,-181,-177,-284,-173,-167,-170,-166,-118,-135,-133,-401,-396,-643,-651,-817,-800,-1750,-1132,-1005,-966,-29996,-29997]} 1. d4 Nf6 2. c4 e5 3. e3 Bb4+ 4. Bd2 Bxd2+ 5. Qxd2 exd4 6. exd4 {A51: Budapest Gambit, Fajarowicz Variation.} O-O 7. Bd3 Re8+ 8. Ne2 {The position is equal.} d5 9. O-O dxc4 10. Bxc4 Nc6 11. Nbc3 Ne5 {[%cal Bc6e5,Be5g6,Bg6e7,Be7d5][%mdl 32]} 12. Bb3 {[#]} c6 $146 ({Predecessor:} 12... Neg4 13. Qf4 Qd7 14. Ng3 a6 15. Rfe1 Rxe1+ 16. Rxe1 b5 17. h3 Nh6 18. Nge4 Nxe4 19. Qxe4 {1-0 (19) Romano,T-Weissenstein,H Caorle 1982}) 13. Rad1 Ng6 14. Ng3 Be6 15. Bxe6 Rxe6 16. f4 {aiming for f5.} Re8 17. f5 (17. d5 {feels hotter.} Ng4 18. dxc6 Qh4 19. h3 Ne3 20. cxb7 Rab8 21. Qxe3 Rxe3 22. Nf5) 17... Ne7 18. Rf3 Qb6 ({Black should play} 18... Ned5 $15) 19. Na4 Qc7 20. Nc5 (20. Nc3 $15) 20... Ned5 $17 21. Nd3 Rad8 22. Nf2 (22. Ne5 $142) 22... c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 23. Rc1 c4 24. a4 Rc8 25. h3 Qd7 26. a5 b5 {Black is more active.} 27. axb6 axb6 {[%cal Ba7b6,Bb6b5][%mdl 32]} 28. Ne2 (28. Ng4 $17) 28... b5 $19 29. g4 (29. Nc3 $142) 29... Ne4 30. Nxe4 Rxe4 31. Ng3 Ree8 ({Better is} 31... Re7 $19 32. f6 Nxf6) 32. Nh5 $17 {Black must now prevent f6.} f6 33. h4 $2 {[%mdl 8192] White does not recover from this.} (33. Nf4 $17) 33... Re4 $19 34. Rg3 $2 (34. Qf2 Rce8 35. Nf4) 34... Rce8 35. g5 {gxf6 is the strong threat.} Re2 36. Qa5 Qxf5 {( -> ...Qf2+)} 37. Rf1 {[#] Prevents Qf2+.} Qe4 $1 (37... Qd7 $2 38. gxf6 Kh8 39. fxg7+ Kg8 {[#]} 40. Qc3 $3 $18 {[%mdl 512]}) 38. gxf6 Qxd4+ {Weighted Error Value: White=0.73/Black=0.22 (precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.22"]
[White "Avedisian, Alexander"]
[Black "Pichuaga, Juan Pablo"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1875"]
[BlackElo "2030"]
[Annotator "ChessBase"]
[PlyCount "14"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:01]} d5 2. g3 Nf6 {[%emt 0:01:04]} 3. Bg2 {[%emt 0:00:37]} g6 {[%emt 0:00:05]} 4. O-O {[%emt 0:00:09]} Bg7 {[%emt 0:00:03]} 5. d3 {[%emt 0:00:44]} O-O {[%emt 0:00:09]} 6. Nc3 {[%emt 0:00:36]} Re8 {[%emt 0:00:31]} 7. a3 {[%emt 0:00:38]} c6 {[%emt 0:00:44]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.23"]
[White "Mateus, Martha"]
[Black "Rodriguez Farias, Eduardo"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2019"]
[BlackElo "1931"]
[Annotator "NA"]
[PlyCount "47"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:09:23]} 2. c3 {[%emt 0:00:04]} g6 {[%emt 0:01:50]} 3. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:07]} 4. cxd4 {[%emt 0:00:04]} d5 {[%emt 0:01:20]} 5. exd5 {[%emt 0:00:05]} a6 {[%emt 0:00:34]} 6. Nc3 {[%emt 0:01:15]} Bg7 {[%emt 0:00:23]} 7. Bc4 {[%emt 0:00:48]} Nf6 {[%emt 0:00:12]} 8. a4 {[%emt 0:00:33]} b6 {[%emt 0:02:38]} (8... Nbd7 $14) 9. Nge2 $14 {[%emt 0:02:47]} ({White should play} 9. Nf3 $16) 9... O-O {[%emt 0:00:22]} 10. O-O {[%emt 0:01:26]} Bb7 {[%emt 0:00:15]} 11. Nf4 {[%emt 0:02:21]} Qd6 {[%emt 0:01:14]} 12. Re1 {[%emt 0:04:06]} Nbd7 {[%emt 0:10:56]} 13. b3 {[%emt 0:16:09]} g5 {[%emt 0:35:39]} 14. Nh3 {[%emt 0:32:51]} Nxd5 {[%emt 0:02:27]} 15. Ne4 {[%emt 0:00:45]} Qc6 {[%emt 0:02:44]} 16. Nhxg5 {[%emt 0:03:35]} h6 {[%emt 0:00:49]} 17. Nf3 {[%emt 0:00:29]} Rad8 {[%emt 0:01:09]} 18. Ng3 {[%emt 0:05:39]} e5 {[%emt 0:03:21]} 19. Nf5 {[%emt 0:02:03]} e4 {[%emt 0:02:42]} 20. Bxd5 {[%emt 0:00:57]} Qf6 {[%emt 0:01:46]} 21. Bxb7 {[%emt 0:02:30]} Nc5 {[%emt 0:00:34]} 22. Nxg7 {[%emt 0:03:15]} Nxb7 {[%emt 0:02:41]} 23. Nh5 {[%emt 0:02:03]} Qh8 {[%emt 0:02:41]} 24. Rxe4 {[%emt 0:00:45]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.24"]
[White "Siddeley, Hugh"]
[Black "Montiel Caceres, Helen"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2000"]
[BlackElo "1625"]
[Annotator "ChessBase"]
[PlyCount "51"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:05:29]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:04]} g6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:03]} Bg7 {[%emt 0:00:04]} 4. e4 {[%emt 0:00:04]} d6 {[%emt 0:00:02]} 5. Nf3 {[%emt 0:00:04]} O-O {[%emt 0:00:04]} 6. Be2 e5 {[%emt 0:00:13]} 7. Be3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:03]} 8. d5 {[%emt 0:00:04]} Ne7 {[%emt 0:00:03]} 9. Nd2 {[%emt 0:00:11]} Ne8 {[%emt 0:00:07]} 10. b4 {[%emt 0:00:24]} f5 {[%emt 0:00:04]} 11. f3 {[%emt 0:00:04]} f4 {[%emt 0:00:48]} 12. Bf2 {[%emt 0:00:03]} g5 {[%emt 0:06:55]} 13. c5 {[%emt 0:02:52]} Rf7 {[%emt 0:06:07]} 14. Nc4 {[%emt 0:01:21]} Bd7 {[%emt 0:10:23]} 15. a4 {[%emt 0:02:01]} b6 {[%emt 0:25:14]} 16. c6 {[%emt 0:08:53]} Bc8 {[%emt 0:01:51]} 17. a5 {[%emt 0:00:15]} g4 {[%emt 0:02:59]} 18. axb6 {[%emt 0:01:07]} gxf3 {[%emt 0:00:21]} 19. gxf3 {[%emt 0:02:04]} cxb6 {[%emt 0:00:17]} 20. Nxb6 {[%emt 0:03:03]} Rb8 {[%emt 0:00:05]} 21. Rxa7 {[%emt 0:08:51]} Rxb6 {[%emt 0:00:21]} 22. c7 {[%emt 0:00:06]} Qd7 {[%emt 0:00:19]} 23. Bxb6 {[%emt 0:00:08]} Qh3 {[%emt 0:00:13]} 24. Bf1 {[%emt 0:02:46]} Qh4+ {[%emt 0:00:12]} 25. Bf2 {[%emt 0:00:06]} Qh5 {[%emt 0:00:08]} 26. b5 {[%emt 0:00:15]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.25"]
[White "Lavandeira, Juan Facundo"]
[Black "Gaye, Gustavo"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1520"]
[BlackElo "1990"]
[Annotator "ChessBase"]
[PlyCount "57"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:16]} g6 {[%emt 0:00:12]} 2. g3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:17]} 3. Bg2 {[%emt 0:00:23]} c5 {[%emt 0:00:48]} 4. Nc3 {[%emt 0:00:20]} Nc6 {[%emt 0:01:02]} 5. Nf3 {[%emt 0:00:44]} d6 {[%emt 0:00:44]} 6. O-O {[%emt 0:01:44]} e6 {[%emt 0:00:32]} 7. a3 {[%emt 0:08:46]} Nge7 {[%emt 0:01:54]} 8. Rb1 {[%emt 0:02:40]} Rb8 {[%emt 0:02:00]} 9. b4 {[%emt 0:06:52]} b6 {[%emt 0:02:26]} 10. b5 {[%emt 0:00:30]} Na5 {[%emt 0:03:29]} 11. Qa4 {[%emt 0:08:10]} O-O {[%emt 0:12:54]} 12. Bb2 {[%emt 0:02:43]} d5 {[%emt 0:03:10]} 13. cxd5 {[%emt 0:03:22]} exd5 {[%emt 0:01:48]} 14. d4 {[%emt 0:08:37]} Nc4 {[%emt 0:17:45]} 15. Ba1 {[%emt 0:24:07]} Be6 {[%emt 0:10:22]} 16. e3 {[%emt 0:10:06]} cxd4 {[%emt 0:05:34]} 17. exd4 {[%emt 0:00:18]} Qd7 {[%emt 0:01:48]} 18. Rfe1 {[%emt 0:05:51]} Rbc8 {[%emt 0:05:59]} 19. Rbd1 {[%emt 0:03:51]} Rfe8 {[%emt 0:15:15]} 20. Qb3 {[%emt 0:02:56]} Qd6 {[%emt 0:03:54]} 21. Nb1 {[%emt 0:00:41]} Rc7 {[%emt 0:01:06]} 22. Bc3 {[%emt 0:00:12]} Rec8 {[%emt 0:01:01]} 23. Bb4 Qd7 24. a4 Nf5 25. Ne5 Ne7 26. Nf3 Bf8 27. Ne5 Nxe5 28. dxe5 d4 29. Qa3 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.26"]
[White "Perez Selios, Luis"]
[Black "Benitez, Andres"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1429"]
[BlackElo "1978"]
[Annotator "ChessBase"]
[PlyCount "74"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:51]} 2. Bf4 {[%emt 0:02:23]} Nf6 {[%emt 0:00:05]} 3. e3 {[%emt 0:00:25]} e6 {[%emt 0:00:13]} 4. Nf3 {[%emt 0:00:24]} c5 {[%emt 0:00:15]} 5. c3 {[%emt 0:00:37]} Bd6 {[%emt 0:00:28]} 6. dxc5 {[%emt 0:01:34]} Bxf4 {[%emt 0:00:55]} 7. exf4 {[%emt 0:00:09]} Qc7 {[%emt 0:00:31]} 8. Nbd2 {[%emt 0:04:37]} O-O {[%emt 0:03:10]} 9. Bd3 {[%emt 0:00:37]} Qxf4 {[%emt 0:00:47]} 10. O-O {[%emt 0:00:31]} Qc7 {[%emt 0:00:41]} 11. b4 {[%emt 0:00:45]} e5 {[%emt 0:00:42]} 12. Be2 {[%emt 0:01:03]} Nc6 {[%emt 0:01:46]} 13. Qb1 {[%emt 0:03:48]} Bg4 {[%emt 0:02:29]} 14. Re1 {[%emt 0:01:03]} a6 {[%emt 0:08:00]} 15. a4 {[%emt 0:01:46]} Rfe8 {[%emt 0:05:44]} 16. Qb2 {[%emt 0:05:12]} Rad8 {[%emt 0:03:46]} 17. b5 {[%emt 0:03:12]} Nb8 {[%emt 0:04:19]} 18. Nb3 {[%emt 0:01:50]} Nfd7 {[%emt 0:08:59]} 19. Qa3 {[%emt 0:01:46]} Rc8 {[%emt 0:08:45]} 20. Qb4 {[%emt 0:01:01]} Be6 {[%emt 0:03:49]} 21. Rac1 {[%emt 0:03:47]} f6 {[%emt 0:03:06]} 22. c4 {[%emt 0:03:38]} d4 {[%emt 0:00:35]} 23. Bd3 {[%emt 0:00:11]} Nxc5 {[%emt 0:01:30]} 24. Nxc5 {[%emt 0:00:14]} Qxc5 {[%emt 0:00:14]} 25. Qb1 {[%emt 0:00:08]} h6 {[%emt 0:01:41]} 26. Nd2 {[%emt 0:00:55]} Nd7 {[%emt 0:04:59]} 27. Be4 {[%emt 0:04:05]} Rc7 {[%emt 0:05:52]} 28. a5 {[%emt 0:00:25]} Nf8 {[%emt 0:01:55]} 29. Qd3 {[%emt 0:01:16]} axb5 {[%emt 0:01:11]} 30. cxb5 {[%emt 0:00:22]} Qxc1 {[%emt 0:01:04]} 31. Rxc1 {[%emt 0:00:16]} Rxc1+ {[%emt 0:00:03]} 32. Nf1 {[%emt 0:00:17]} Bc4 {[%emt 0:00:05]} 33. Bd5+ {[%emt 0:02:32]} Bxd5 {[%emt 0:00:06]} 34. Qa3 {[%emt 0:00:06]} Rec8 {[%emt 0:02:08]} 35. f3 {[%emt 0:00:31]} R8c2 {[%emt 0:00:56]} 36. a6 {[%emt 0:00:26]} bxa6 {[%emt 0:00:31]} 37. b6 {[%emt 0:00:06]} Rb1 {[%emt 0:01:19]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.27"]
[White "Escofet, Jaime"]
[Black "Torales, Agustin"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1981"]
[BlackElo "1682"]
[Annotator "NA"]
[PlyCount "82"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 O-O 13. Be2 Ne7 14. Ncb4 Be6 15. O-O g6 16. a4 bxa4 17. Rxa4 a5 18. Nxe7+ Qxe7 19. Nd5 Qb7 20. b3 Bxd5 21. exd5 f5 22. Bc4 Bd8 23. Qe2 Rb8 24. Rb1 Qd7 25. Qa2 f4 26. b4 f3 27. g3 Qf5 28. Re1 axb4 29. Rxb4 Rxb4 30. cxb4 Bb6 31. Qb1 Qg4 32. Re4 Qg5 33. Qd1 h5 34. Bd3 Rc8 35. Rc4 Rxc4 36. Bxc4 Qg4 37. Bf1 h4 38. Qa4 Kf7 39. Qc6 Qxb4 40. Qd7+ Kf8 41. Qe6 Kg7 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.28"]
[White "Cayetano, Juan"]
[Black "Cordero, Daniela"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1725"]
[BlackElo "2011"]
[Annotator "NA"]
[PlyCount "78"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Nf3 Bg4 7. O-O Nge7 8. Re1 Qd7 9. Be3 O-O 10. h3 Bf5 11. Nh4 Bxd3 12. Qxd3 f5 13. Bg5 h6 14. Bxe7 Nxe7 15. Nf3 Ng6 16. g3 Rae8 17. Nbd2 Qf7 18. Kg2 Re4 19. c4 c6 20. c5 Bc7 21. Nh2 Rxe1 22. Rxe1 f4 23. Kh1 fxg3 24. fxg3 Qf2 25. Ndf3 Rf6 26. Ng4 Qxf3+ 27. Qxf3 Rxf3 28. Re8+ Rf8 29. Re3 h5 30. Nh2 h4 31. Kg2 Bxg3 32. Nf3 Nf4+ 33. Kh1 Nxh3 34. Kg2 Nf4+ 35. Kh1 Ng6 36. Rb3 Rf7 37. Ng5 Re7 38. Ra3 Nf4 39. Nf3 Re2 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.29"]
[White "Castagnet, Carlos"]
[Black "Durante, Aurelio"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1641"]
[BlackElo "1944"]
[Annotator "NA"]
[PlyCount "96"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 b6 5. Nf3 Bb7 6. e3 O-O 7. Be2 d6 8. Nb5 Bxd2+ 9. Qxd2 Nbd7 10. Nc3 Ne4 11. Nxe4 Bxe4 12. O-O f5 13. Ne1 Nf6 14. f3 Bb7 15. Nd3 Qe7 16. Rac1 Rad8 17. Qc3 c5 18. b4 Nd7 19. f4 Nf6 20. Nf2 Rd7 21. Rcd1 Rfd8 22. dxc5 dxc5 23. b5 Rxd1 24. Rxd1 Rxd1+ 25. Bxd1 Qd6 26. Qd3 Ne4 27. Qxd6 Nxd6 28. Be2 Kf7 29. Kf1 Kf6 30. g4 Be4 31. g5+ Ke7 32. Nd1 e5 33. Kf2 Bb1 34. Nc3 Ne4+ 35. Nxe4 fxe4 36. Ke1 exf4 37. exf4 Ke6 38. Bg4+ Kf7 39. a3 Bd3 40. Be2 Kg6 41. Bxd3 exd3 42. Kd2 Kf5 43. Kxd3 Kxf4 44. a4 h5 45. gxh6 gxh6 46. h3 h5 47. h4 Kf3 48. Kd2 Ke4 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.30"]
[White "Migens Romero, Juan"]
[Black "Moccero, Eduardo"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2097"]
[BlackElo "1919"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,6,4,-29,-16,-82,-90,-81,-78,-85,-40,-100,10,-107,13,-62,-54,-79,-63,-95,-88,-154,-158,-144,-141,-272,-293,-345,-352,-320,-336,-555,-640,-737,-733,-800,-756,-758,-738,-970,-786,-809,-814,-800,-767,-1245,-1056,-1235,-1143,-1113,-1036,-1128,-1087,-29988,-29987,-29987,-29988,-29988,-29989,-29990,-29991]} 1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. g4 Be4 5. f3 Bg6 $1 ({Not} 5... e6 6. h4 $16) 6. h4 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence.} h5 $1 7. Bd3 (7. Ne2 $11) 7... Bxd3 $17 8. Qxd3 {[%cal Oe5e6] Black is better.} e6 9. Bg5 {[#]} Qd7 $146 ({Black should try} 9... Be7 $17 {aiming for ...hxg4.} 10. Nh3 Qd7) ({Predecessor:} 9... Be7 10. Bxe7 Qxe7 11. Nd2 hxg4 12. O-O-O gxf3 13. Ngxf3 Nh6 14. a3 Nf5 15. Qb5 O-O-O {1-0 (43) Umansky,V (2196)-Chernyshev,A (2090) Tambov 2012}) 10. Ne2 (10. Nc3 $15) 10... Nh6 (10... hxg4 $17 {White must now prevent ...Nb4.} 11. fxg4 f6 12. exf6 gxf6) 11. Nf4 (11. Bxh6 $11 {keeps the balance.} Rxh6 12. g5) 11... Nb4 (11... hxg4 $17 {Threatens to win with ...Nf5.} 12. fxg4 Nxg4) 12. Qd2 (12. Qe2 $11) 12... hxg4 $15 13. Bxh6 Rxh6 {Black converts the advantage convincingly.} 14. fxg4 Be7 15. Nh5 (15. h5 $142) 15... O-O-O $17 16. c3 Nc6 17. b4 (17. Qe3 $17) 17... Rdh8 $19 18. Qf2 f6 19. exf6 gxf6 {[%cal Bg7f6,Bf6f5,Bf5g4][%mdl 32]} 20. a4 $2 {[#]} (20. Ng3 {keeps fighting.}) 20... f5 21. a5 fxg4 22. Ng3 Bxh4 23. Rxh4 Rxh4 24. b5 Nb8 25. b6 cxb6 26. axb6 a6 {[%cal Oh4h1]} 27. Ra5 Qd6 28. Rc5+ Nc6 29. Nd2 Rf8 30. Qg2 Qf4 31. Nc4 Rh3 {Black mates.} 32. Ne2 Qf3 33. Qxf3 gxf3 34. Nd6+ Kb8 {Weighted Error Value: White=0.85/Black=0.32} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.31"]
[White "Amaral, Francisco"]
[Black "Palacio, Enzo"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1672"]
[BlackElo "1896"]
[Annotator "NA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:13]} 2. Nf3 {[%emt 0:00:04]} d6 {[%emt 0:00:32]} 3. d4 {[%emt 0:00:13]} cxd4 {[%emt 0:00:02]} 4. Nxd4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:03]} 5. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:02]} 6. Be2 {[%emt 0:00:11]} e5 {[%emt 0:00:12]} 7. Nb3 {[%emt 0:00:05]} Be7 {[%emt 0:00:04]} 8. Be3 {[%emt 0:03:07]} Be6 {[%emt 0:00:20]} 9. Nd5 {[%emt 0:01:15]} Nbd7 {[%emt 0:01:28]} 10. Nxe7 Qxe7 {[%emt 0:01:33]} 11. f3 {[%emt 0:04:19]} d5 {[%emt 0:03:40]} 12. exd5 {[%emt 0:04:40]} Nxd5 {[%emt 0:00:12]} 13. Qd2 {[%emt 0:01:42]} Nxe3 {[%emt 0:06:19]} 14. Qxe3 {[%emt 0:00:10]} Rc8 {[%emt 0:03:16]} 15. Bd3 {[%emt 0:02:05]} O-O {[%emt 0:04:48]} 16. O-O {[%emt 0:03:04]} f5 {[%emt 0:07:10]} 17. Rfd1 {[%emt 0:09:33]} Qf7 {[%emt 0:12:12]} 18. Rac1 {[%emt 0:07:14]} Rfd8 {[%emt 0:04:20]} 19. Re1 {[%emt 0:12:28]} g6 {[%emt 0:03:51]} 20. a3 {[%emt 0:12:36]} Re8 {[%emt 0:06:25]} 21. Nd2 {[%emt 0:00:13]} b5 {[%emt 0:04:18]} 22. a4 {[%emt 0:02:50]} Bc4 {[%emt 0:01:20]} 23. axb5 {[%emt 0:02:33]} axb5 {[%emt 0:00:40]} 24. b3 {[%emt 0:00:48]} Bxd3 {[%emt 0:00:58]} 25. Qxd3 {[%emt 0:00:32]} Rc5 {[%emt 0:03:22]} 26. c4 {[%emt 0:06:47]} Rec8 {[%emt 0:00:12]} 27. Rc2 {[%emt 0:01:35]} Qe6 {[%emt 0:01:59]} 28. Rec1 {[%emt 0:01:05]} Qc6 {[%emt 0:04:22]} 29. b4 {[%emt 0:05:29]} bxc4 {[%emt 0:01:28]} 30. Rxc4 {[%emt 0:02:11]} Rxc4 {[%emt 0:00:35]} 31. Rxc4 {[%emt 0:04:39]} Qb6+ {[%emt 0:01:04]} 32. Kf1 {[%emt 0:00:11]} Rxc4 {[%emt 0:01:27]} 33. Qxc4+ {[%emt 0:01:27]} Kg7 {[%emt 0:00:08]} 34. Nb3 {[%emt 0:00:29]} Qd6 {[%emt 0:02:39]} 35. Ke2 {[%emt 0:01:04]} Nf6 {[%emt 0:02:36]} 36. Qc5 {[%emt 0:03:32]} Qa6+ {[%emt 0:01:07]} 37. b5 {[%emt 0:00:12]} Qa2+ {[%emt 0:00:04]} 38. Nd2 {[%emt 0:00:09]} Nd5 {[%emt 0:00:11]} 39. g3 {[%emt 0:01:49]} e4 {[%emt 0:02:57]} 40. fxe4 {[%emt 0:01:29]} fxe4 {[%emt 0:00:01]} 41. Qc4 {[%emt 0:01:13]} Qxc4+ {[%emt 0:00:57]} 42. Nxc4 {[%emt 0:00:06]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.32"]
[White "Balseca Moreno, Diego"]
[Black "Quevedo, Andreina"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2269"]
[BlackElo "1867"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,100,26,-12,32,-9,68,-23,0,-14,-24,-11,-30,-43,-30,-52,-64,-68,-18,-120,-62,-71,-68,-70,-48,-105,-105,-108,-35,-33,-15,-113,0,-29,-14,-28,-28,-28,-23,-27,69,68,125,77,81,0,0,-133,-11,-14,-13,-14,-11,-11,-11,-11,-11,-16,-14,-14,-14,-32,-32,-32,-32,-32,-31,-32,-31,-47,-32,-32,-16,-16,0,-31,0,-16,-13,-16,-17,-17,-18,-31,-18]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Be2 O-O 9. O-O d5 10. Nd2 Qg6 {C45: Scotch Game.} (10... Bb6 $11) 11. Nf5 (11. Bh5 $14 Qf6 12. Qe2) 11... Nxf5 (11... Bxf5 $11 12. exf5 Qd6) 12. exf5 (12. Bxc5 $14 Nd6 13. exd5) 12... Qb6 {Black has an edge.} 13. Bxc5 (13. Bf4 {seems wilder.} Qf6 14. Nb3 Bb6 15. Qxd5 Re8 16. Rae1) 13... Qxc5 14. Nb3 Qd6 15. f4 Nd7 {[#]} 16. Bf3 $146 ({Predecessor:} 16. Bd3 c5 17. Bc2 b6 18. Nd2 Bb7 19. Nc4 Qc7 20. Ne5 f6 21. Ng4 Rfe8 22. Bb3 {0-1 (60) Zesch,L (2094)-Larsen,K (2281) Hamburg 1999}) 16... Nf6 ({Don't play} 16... Qxf4 17. Qxd5 Qe3+ 18. Kh1 $11) 17. Qd3 c6 ({Black should play} 17... Qxf4 $15 18. Bxd5 Qe5) 18. Kh1 (18. Rae1 $11) 18... b6 (18... Qxf4 $17 19. Bxd5 Qg5) 19. g3 a5 {Strongly threatening ...Ba6.} 20. Rfe1 Bb7 21. Qd4 (21. Rad1 $15) 21... c5 $17 22. Qe5 Rad8 (22... Qc6 $17 23. Qe2 Rae8) 23. Qxd6 $15 Rxd6 24. Re7 {[#]} (24. Rad1 $11) 24... Rd7 (24... Bc8 $1 $17 25. g4 g6) 25. Rae1 Rfd8 {[%cal Bf8d8,Bd8d7,Bd7d2][%mdl 32]} 26. Nd2 Kf8 27. Rxd7 Rxd7 28. Kg2 b5 ({Black should try} 28... h5 $11) 29. Nb3 $14 {[%csl LRa5,LRc5] White is more active.} Ne4 (29... c4 $14 30. Nxa5 Ba8) 30. Bxe4 ({Better is} 30. Nxa5 Ba8 31. Nb3) 30... dxe4 $16 31. Nxc5 {[%mdl 4096] Endgame KRB-KRN} (31. Kf2 $16) 31... Rd2+ $11 32. Kh3 {[#]} (32. Kf1 $11 {remains equal.} Bd5 33. b3) 32... Bc8 (32... Bc6 $1 $17 33. Nb3 (33. Nxe4 Rxb2 34. a3 Ra2 $17) 33... Rxb2) 33. Nxe4 Bxf5+ 34. g4 Bxe4 35. Rxe4 Rxb2 {KR-KR} 36. a4 Rb3 {...b4 is the strong threat.} 37. axb5 Rxc3+ 38. Kg2 Rb3 39. Rc4 Rxb5 40. Rc8+ $1 Ke7 {Threatens to win with ...Kd6.} 41. Rc7+ Ke8 42. Ra7 g6 43. Kg3 h6 44. h4 Rb3+ 45. Kg2 Rb2+ 46. Kg3 Rb3+ 47. Kg2 Ra3 48. f5 gxf5 49. gxf5 Ra4 50. Kg3 h5 {Weighted Error Value: White=0.29 (precise) /Black=0.29 (precise)} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.33"]
[White "Ressia, Lorenzo"]
[Black "Urrestarazu, Diego"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "1447"]
[BlackElo "1833"]
[Annotator "NA"]
[PlyCount "64"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 {[%emt 0:01:38]} d6 {[%emt 0:00:40]} 5. h3 {[%emt 0:00:00]} O-O {[%emt 0:00:35]} 6. Be3 {[%emt 0:00:00]} Nc6 {[%emt 0:01:29]} 7. g4 {[%emt 0:00:27]} e5 {[%emt 0:02:27]} 8. d5 {[%emt 0:00:02]} Nd4 {[%emt 0:01:57]} 9. Be2 {[%emt 0:07:42]} c6 {[%emt 0:05:28]} 10. Nf3 {[%emt 0:16:09]} Nxe2 {[%emt 0:06:51]} 11. Qxe2 {[%emt 0:00:27]} cxd5 {[%emt 0:00:25]} 12. cxd5 {[%emt 0:02:06]} Bd7 {[%emt 0:03:27]} 13. Qd2 {[%emt 0:06:06]} b5 {[%emt 0:03:12]} 14. a3 {[%emt 0:03:53]} a5 {[%emt 0:01:43]} 15. Qd3 {[%emt 0:01:01]} b4 {[%emt 0:05:27]} 16. Ne2 {[%emt 0:00:25]} Qb8 {[%emt 0:02:26]} 17. a4 {[%emt 0:00:47]} Bc8 {[%emt 0:02:47]} 18. Nd2 {[%emt 0:03:33]} Ba6 {[%emt 0:01:41]} 19. Nc4 {[%emt 0:00:47]} b3 {[%emt 0:04:10]} 20. Rc1 {[%emt 0:00:53]} Rc8 {[%emt 0:00:38]} 21. O-O {[%emt 0:00:54]} Qb4 {[%emt 0:03:15]} 22. g5 {[%emt 0:17:28]} Ne8 {[%emt 0:03:27]} 23. Bd2 {[%emt 0:04:06]} Bxc4 {[%emt 0:00:59]} 24. Qe3 {[%emt 0:01:16]} Qb7 {[%emt 0:03:29]} 25. Bc3 {[%emt 0:01:23]} Qd7 {[%emt 0:03:56]} 26. Kh2 {[%emt 0:00:34]} f5 {[%emt 0:04:45]} 27. Rg1 {[%emt 0:01:29]} fxe4 {[%emt 0:03:12]} 28. Qxe4 {[%emt 0:01:58]} Qf5 {[%emt 0:00:57]} 29. Qe3 {[%emt 0:03:25]} Bxd5 {[%emt 0:02:57]} 30. Ng3 {[%emt 0:00:40]} Qf4 {[%emt 0:01:38]} 31. Qd3 {[%emt 0:00:55]} Qxf2+ {[%emt 0:00:48]} 32. Rg2 {[%emt 0:00:13]} Qxg2# {[%emt 0:00:08]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.34"]
[White "Lanzilotta, Filippo"]
[Black "Visillac, Alejandro"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1299"]
[BlackElo "1814"]
[Annotator "NA"]
[PlyCount "109"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:01:24]} e6 2. d4 {[%emt 0:01:26]} d5 {[%emt 0:00:28]} 3. exd5 {[%emt 0:00:10]} exd5 {[%emt 0:00:09]} 4. Nc3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:12]} 5. Bd3 {[%emt 0:00:06]} Be7 {[%emt 0:00:23]} 6. Nge2 {[%emt 0:00:05]} Nc6 {[%emt 0:03:36]} 7. Bg5 {[%emt 0:00:45]} Nb4 {[%emt 0:00:48]} 8. h4 {[%emt 0:02:56]} h6 {[%emt 0:00:53]} 9. Bf4 {[%emt 0:00:40]} Nxd3+ 10. Qxd3 {[%emt 0:00:07]} c6 {[%emt 0:00:45]} 11. O-O-O {[%emt 0:00:11]} O-O {[%emt 0:03:23]} 12. Rdg1 $11 {[%emt 0:01:47]} Re8 {[%emt 0:04:50]} 13. f3 {[%emt 0:02:20]} Nh5 {[%emt 0:02:05]} 14. Bd2 {[%emt 0:01:15]} Nf6 {[%emt 0:02:44]} 15. g4 {[%emt 0:00:11]} Nh7 {[%emt 0:00:24]} 16. f4 Nf6 {[%emt 0:08:40]} 17. g5 {[%emt 0:03:02]} Ne4 {[%emt 0:00:27]} 18. gxh6 {[%emt 0:00:36]} Bf6 {[%emt 0:01:31]} 19. Nxe4 {[%emt 0:02:38]} Rxe4 {[%emt 0:01:50]} 20. Nc3 {[%emt 0:00:04]} Bf5 {[%emt 0:00:40]} 21. Nxe4 {[%emt 0:04:53]} Bxe4 {[%emt 0:00:17]} 22. Qe3 {[%emt 0:01:37]} Bxh1 {[%emt 0:01:30]} 23. Rxh1 {[%emt 0:00:08]} gxh6 {[%emt 0:08:46]} 24. f5 {[%emt 0:00:28]} Qf8 {[%emt 0:01:44]} 25. Qxh6 {[%emt 0:05:14]} Qxh6 {[%emt 0:00:27]} 26. Bxh6 {[%emt 0:00:12]} Bxd4 {[%emt 0:00:23]} 27. c3 {[%emt 0:00:56]} Be5 {[%emt 0:01:06]} 28. h5 {[%emt 0:02:54]} Kh7 {[%emt 0:01:15]} 29. Bg5 {[%emt 0:00:33]} Rg8 {[%emt 0:00:29]} 30. Re1 {[%emt 0:09:53]} f6 {[%emt 0:05:40]} 31. Be3 {[%emt 0:01:38]} a6 {[%emt 0:00:26]} 32. Bd4 {[%emt 0:02:13]} Re8 {[%emt 0:00:37]} 33. Bxe5 {[%emt 0:00:26]} fxe5 {[%emt 0:00:14]} 34. f6 {[%emt 0:00:30]} Kg8 {[%emt 0:00:28]} 35. h6 {[%emt 0:01:02]} Kf7 {[%emt 0:00:10]} 36. Rg1 {[%emt 0:04:04]} Kxf6 {[%emt 0:03:20]} 37. Rg7 {[%emt 0:00:08]} b6 {[%emt 0:00:58]} 38. Rb7 {[%emt 0:02:02]} Ke6 {[%emt 0:02:48]} 39. Rxb6 {[%emt 0:00:26]} Kd6 {[%emt 0:00:07]} 40. Rxa6 {[%emt 0:00:20]} Rh8 {[%emt 0:00:05]} 41. b4 {[%emt 0:01:03]} Rxh6 {[%emt 0:00:30]} 42. b5 {[%emt 0:00:12]} Kc5 {[%emt 0:00:25]} 43. bxc6 {[%emt 0:00:12]} Rxc6 {[%emt 0:00:23]} 44. Rxc6+ {[%emt 0:00:09]} Kxc6 {[%emt 0:00:04]} 45. Kd2 {[%emt 0:02:23]} Kc5 {[%emt 0:01:57]} 46. a4 {[%emt 0:04:58]} Kc4 {[%emt 0:12:31]} 47. Kc2 {[%emt 0:02:50]} e4 {[%emt 0:00:50]} 48. Kd2 {[%emt 0:00:13]} Kc5 {[%emt 0:00:08]} 49. Ke3 {[%emt 0:00:28]} Kc4 {[%emt 0:10:48]} 50. Kd2 {[%emt 0:00:12]} e3+ {[%emt 0:04:11]} 51. Kxe3 {[%emt 0:00:11]} Kxc3 52. a5 {[%emt 0:00:04]} d4+ {[%emt 0:00:17]} 53. Kf4 {[%emt 0:00:27]} d3 {[%emt 0:00:09]} 54. a6 {[%emt 0:00:09]} d2 {[%emt 0:00:12]} 55. a7 {[%emt 0:00:08]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.35"]
[White "Kulik, Nicolas"]
[Black "Masoller, Martin"]
[Result "1-0"]
[ECO "B63"]
[WhiteElo "1775"]
[BlackElo "1743"]
[Annotator "NA"]
[PlyCount "80"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:02:06]} 3. d4 {[%emt 0:00:00]} cxd4 4. Nxd4 Nf6 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:12]} d6 {[%emt 0:00:14]} 6. Bg5 {[%emt 0:00:11]} e6 {[%emt 0:01:10]} 7. Qd2 {[%emt 0:01:00]} h6 {[%emt 0:03:26]} 8. Bxf6 {[%emt 0:02:09]} Qxf6 {[%emt 0:00:50]} 9. O-O-O {[%emt 0:00:32]} Qxd4 {[%emt 0:01:58]} 10. Qxd4 {[%emt 0:00:07]} Nxd4 {[%emt 0:00:10]} 11. Rxd4 {[%emt 0:00:07]} a6 {[%emt 0:00:02]} 12. Bc4 {[%emt 0:01:59]} b5 {[%emt 0:03:10]} 13. Bb3 {[%emt 0:00:21]} Rb8 {[%emt 0:03:22]} 14. Rhd1 {[%emt 0:01:57]} Be7 {[%emt 0:04:07]} 15. Ne2 {[%emt 0:03:33]} O-O {[%emt 0:04:35]} 16. c3 {[%emt 0:01:24]} Bb7 {[%emt 0:03:11]} 17. f3 {[%emt 0:00:53]} Rfc8 {[%emt 0:02:37]} 18. Kd2 {[%emt 0:02:58]} a5 {[%emt 0:04:40]} 19. Ke1 {[%emt 0:15:42]} a4 {[%emt 0:10:06]} 20. Bc2 {[%emt 0:00:19]} d5 {[%emt 0:01:56]} 21. exd5 {[%emt 0:04:04]} Bxd5 {[%emt 0:00:36]} 22. a3 {[%emt 0:01:41]} Bc6 {[%emt 0:08:12]} 23. Ng3 {[%emt 0:01:50]} f5 {[%emt 0:03:50]} 24. Bb1 {[%emt 0:03:24]} Bc5 {[%emt 0:00:55]} 25. R4d2 {[%emt 0:02:21]} Kf7 {[%emt 0:07:55]} 26. Ba2 {[%emt 0:00:39]} Kf6 {[%emt 0:01:16]} 27. Re2 {[%emt 0:08:51]} e5 {[%emt 0:08:48]} 28. Bd5 {[%emt 0:08:51]} g6 {[%emt 0:01:54]} 29. Bxc6 {[%emt 0:04:01]} Rxc6 {[%emt 0:00:06]} 30. Red2 {[%emt 0:01:11]} Re8 {[%emt 0:02:45]} 31. Ke2 {[%emt 0:02:03]} h5 {[%emt 0:00:40]} 32. Rd7 {[%emt 0:02:50]} Ree6 {[%emt 0:04:54]} 33. R1d5 {[%emt 0:00:19]} Bg1 {[%emt 0:01:26]} 34. h4 {[%emt 0:01:46]} Rb6 {[%emt 0:02:27]} 35. Rd8 {[%emt 0:03:53]} Re7 {[%emt 0:02:39]} 36. Rd1 {[%emt 0:01:38]} Bc5 {[%emt 0:00:28]} 37. Rc8 {[%emt 0:01:30]} Bd6 {[%emt 0:00:29]} 38. Rf8+ {[%emt 0:01:20]} Ke6 {[%emt 0:00:46]} 39. Rg8 {[%emt 0:00:10]} Kf7 {[%emt 0:00:19]} 40. Rd8 {[%emt 0:00:23]} Ke6 {[%emt 0:00:44]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.18"]
[Round "8.36"]
[White "Zaruski, Julio"]
[Black "Martello, Benjamin"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1764"]
[BlackElo "1594"]
[Annotator "NA"]
[PlyCount "93"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} e6 {[%emt 0:00:03]} 2. Qe2 {[%emt 0:02:09]} e5 {[%emt 0:00:17]} 3. g3 {[%emt 0:00:40]} Nf6 {[%emt 0:00:54]} 4. Bg2 {[%emt 0:00:11]} Bc5 {[%emt 0:00:15]} 5. d3 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 6. Be3 {[%emt 0:01:42]} Bb6 {[%emt 0:00:00]} 7. Nf3 {[%emt 0:01:23]} Re8 {[%emt 0:00:12]} 8. O-O {[%emt 0:01:08]} c6 {[%emt 0:00:27]} 9. c4 Bc7 {[%emt 0:02:36]} 10. Nc3 {[%emt 0:08:33]} d6 {[%emt 0:01:49]} 11. h3 {[%emt 0:00:33]} h6 {[%emt 0:00:32]} 12. d4 {[%emt 0:02:19]} exd4 {[%emt 0:00:26]} 13. Nxd4 {[%emt 0:00:08]} Nbd7 {[%emt 0:01:42]} 14. Qc2 {[%emt 0:03:39]} Nc5 {[%emt 0:01:45]} 15. b4 {[%emt 0:01:05]} Ne6 {[%emt 0:00:09]} 16. Rad1 {[%emt 0:03:40]} Qe7 {[%emt 0:01:05]} 17. Nf5 {[%emt 0:02:11]} Qf8 {[%emt 0:00:12]} 18. f4 {[%emt 0:05:10]} Rd8 {[%emt 0:03:51]} 19. Qf2 {[%emt 0:04:54]} b6 {[%emt 0:02:24]} 20. g4 {[%emt 0:02:06]} a5 {[%emt 0:06:15]} 21. b5 {[%emt 0:00:42]} c5 {[%emt 0:00:21]} 22. e5 {[%emt 0:01:33]} d5 {[%emt 0:01:55]} 23. exf6 {[%emt 0:00:48]} d4 {[%emt 0:00:12]} 24. Bxa8 {[%emt 0:00:51]} dxe3 {[%emt 0:00:16]} 25. Qxe3 {[%emt 0:01:07]} Rxd1 {[%emt 0:00:42]} 26. Nxd1 {[%emt 0:00:27]} Bxf4 {[%emt 0:00:34]} 27. Rxf4 {[%emt 0:01:58]} Nxf4 {[%emt 0:00:10]} 28. Ne7+ {[%emt 0:00:09]} Kh7 {[%emt 0:00:23]} 29. Qxf4 {[%emt 0:01:30]} gxf6 {[%emt 0:00:23]} 30. Be4+ {[%emt 0:00:13]} f5 {[%emt 0:00:26]} 31. Nxf5 {[%emt 0:00:14]} Bxf5 {[%emt 0:00:17]} 32. Qxf5+ {[%emt 0:00:07]} Kg7 {[%emt 0:00:07]} 33. Nf2 {[%emt 0:09:09]} Qd6 {[%emt 0:00:17]} 34. Kg2 {[%emt 0:00:11]} a4 {[%emt 0:00:07]} 35. Nd3 {[%emt 0:01:50]} a3 {[%emt 0:00:19]} 36. Qe5+ {[%emt 0:01:43]} Qxe5 {[%emt 0:02:32]} 37. Nxe5 {[%emt 0:00:12]} h5 {[%emt 0:00:03]} 38. Kg3 {[%emt 0:00:19]} Kf6 {[%emt 0:00:08]} 39. Kf4 {[%emt 0:01:42]} hxg4 {[%emt 0:00:20]} 40. hxg4 {[%emt 0:00:13]} Ke6 {[%emt 0:00:15]} 41. Bd5+ {[%emt 0:00:22]} Ke7 {[%emt 0:00:16]} 42. Nxf7 {[%emt 0:00:09]} Kf8 43. Kf5 {[%emt 0:00:12]} Kg7 {[%emt 0:00:28]} 44. g5 {[%emt 0:00:08]} Kf8 {[%emt 0:00:00]} 45. Kf6 {[%emt 0:00:23]} Ke8 {[%emt 0:00:00]} 46. Ne5 {[%emt 0:00:27]} Kd8 {[%emt 0:00:13]} 47. Bf7 {[%emt 0:00:07]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.1"]
[White "Delgado Ramirez, Neuris"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2615"]
[BlackElo "2553"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,25,0,16,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 {[%cal Bd2d4,Bd4e5][%mdl 32]} Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 {[#]} 13. Qe4+ $146 {Not much happened in this game. C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} ({Predecessor:} 13. Qe3+ Be6 14. Nc3 Qc6 15. Nb5 Bc5 16. Qc3 O-O 17. Bf4 Rfc8 18. Nd4 Bxd4 19. Qxd4 Rd8 20. Qb4 a5 {½-½ (32) Wei,Y (2732)-Grischuk,A (2777) Chess.com INT 2020}) 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.2"]
[White "Hungaski, Robert"]
[Black "Ricardi, Pablo"]
[Result "*"]
[ECO "E24"]
[WhiteElo "2537"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,31,0,0,-12,-8,-1,0,0,0,0,0,75,87,75,60,72,33,158,-4]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. f3 Ba6 7. e4 Nc6 8. Bg5 h6 {E24: Nimzo-Indian: Sämisch: Unusual Black 5th moves and 5...c5 sidelines.} 9. Bh4 Na5 10. e5 g5 {The position is equal.} 11. Bf2 Nh5 12. h4 Bxc4 (12... f5 $11) 13. hxg5 $16 {[%mdl 64] [#] Discovered Attack} Qxg5 14. Nh3 {[#]} Qg6 $146 ({Predecessor:} 14... Qe7 15. g4 Bxf1 16. Kxf1 Ng7 17. Nf4 h5 18. Ke2 Qg5 19. Qc1 Nb3 20. Qe3 Nxa1 {0-1 (30) Yakovich,Y (2560)-Minasian,A (2510) Moscow 1991}) 15. g4 {[%mdl 1024] Strongly threatening Bxc4. White has strong compensation.} Ng7 (15... Bxf1 $14 16. Kxf1 Ng7) 16. Bh4 $2 {Weighted Error Value: White=0.00 (flawless) /Black=0.41} (16. Nf4 $16 Qg5 17. Ng2) *

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.3"]
[White "Diaz Hollemaert, Nahuel"]
[Black "Tristan, Leonardo"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2439"]
[BlackElo "2561"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,108,0,0,0,16,0,0,0,0,0,0,-9,-4,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-3,-12,-2,-3,0,-60,0,-7,0,0,0,0,0,0,0,-37,0,0,0,-56,-25,-31,-24,-24,0,0,0,0,0,-8,-6,-6,0,-56,-56,-55,-13,-13,0,0,0,0,0,0,-6,-7,-6,-5,-8,-8,0,-8,-8,-8,-8,-8,-8,-8,-8,-29975,-29976,-29975,-1787,-29981,-29982,-29982,-29981]} 1. c4 {ChessBase II} e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 c5 5. e3 Nc6 6. cxd5 exd5 7. Bb5 Bd6 8. O-O O-O {A13: English Opening: 1...e6.} 9. d4 cxd4 10. Nxd4 Bc7 {The position is equal.} 11. Nd2 Nxd4 12. Bxd4 Qd6 {[%csl Gc7][%cal Rd6h2]} 13. g3 Bh3 14. Re1 {[#]} Rfc8 $146 ({Predecessor:} 14... Rac8 15. Bf1 Bg4 16. Be2 Bf5 17. Bb2 Qe7 18. a3 Bb6 19. Ra2 Ne4 20. Nxe4 dxe4 {½-½ (55) Eljanov,P (2755)-Wei,Y (2706) Wijk aan Zee 2017 CBM 177 [ChessBase II]}) 15. Bd3 Ba5 16. a3 Bc3 17. Bxc3 $1 Rxc3 18. Nf3 {[%cal Bd2f3,Bf3d4,Bd4f5][%mdl 32]} Rac8 19. Nd4 a6 {To avoid Nb5} 20. Bf5 Bxf5 21. Nxf5 Qe5 22. Nd4 h5 23. Ra2 Qe4 24. h3 (24. h4 $11) 24... g5 (24... h4 $15 25. gxh4 Qxh4) 25. Qb1 g4 26. Qxe4 dxe4 27. Kg2 Nd7 28. hxg4 hxg4 29. Rh1 Ne5 30. Raa1 Nf3 31. Rad1 ({Better is} 31. Nf5 $11 R8c5 32. Nd6 Rxb3 33. Nxe4) 31... Rd8 32. Rh5 Nxd4 33. exd4 $15 {[%mdl 4096] Endgame KRR-KRR} Rd3 34. Rc1 R8xd4 35. Rc8+ Kg7 {Hoping for ...e3.} 36. Rg5+ Kf6 37. Rxg4 Rxb3 38. Rc7 (38. Rf4+ $11 Ke7 39. Rc7+ Rd7 40. Rxe4+ Kd8 41. Rxd7+ Kxd7 42. Rf4) 38... Ke6 ({But not} 38... Rxa3 39. Rf4+ Kg6 40. Rcxf7 $11) 39. Rf4 f6 ({Don't play} 39... Rxa3 40. Rfxf7 b6 41. Rfe7+ Kf6 42. Rf7+ Ke6 43. Rfe7+ Kd5 44. Red7+ Ke5 45. Re7+ Kf6 46. Rf7+ Ke6 $11) (39... f5 $15 {was preferrable.}) 40. Rh7 b5 {[%cal Ob3f3]} 41. Rh6 Rxa3 42. Rfxf6+ Kd5 43. Rc6 Rc4 44. Rhd6+ Ke5 45. Rxa6 Rxa6 46. Rxa6 $11 {KR-KR} Rc2 47. Rb6 Rb2 {White must now prevent ...e3.} 48. Kh3 b4 (48... Rxf2 49. Rxb5+ Kd4 50. Rb4+ Ke3 51. Rb3+ Kd4 52. Rb4+ Ke3 53. g4) 49. g4 Rxf2 50. g5 e3 {( -> ...e2)} 51. Kg3 $2 {[%mdl 8192] [#] This costs White the game.} (51. Rb5+ $11 Ke4 52. Rxb4+ Kf3 53. Rb6) 51... Rf1 $1 52. Rb8 Kd5 (52... Kd6 $142 53. Rd8+ Kc7 54. Re8 b3 55. Kg2 {[#]} b2 $1 {[%mdl 512]} 56. Kxf1 b1=Q+ 57. Kg2 Qc2+ 58. Kh3 Qf5+ 59. Kh4 Qf4+ 60. Kh3 Qxg5 61. Ra8 Qe5 62. Ra7+ Kb8 63. Ra4 e2 64. Rb4+ Kc8 65. Rc4+ Kd7 66. Rc1 Qe3+ 67. Kh2 Qxc1 68. Kg3 e1=Q+ 69. Kg4 Qe4+ 70. Kh3 Qh6+ 71. Kg3 Qhh4#) 53. Rb5+ Kc4 54. Re5 b3 {Weighted Error Value: White=0.35/Black=0.23 (precise)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.4"]
[White "Labollita, Martin"]
[Black "Morovic Fernandez, Ivan"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2388"]
[BlackElo "2498"]
[Annotator "ChessBase"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:48]} d5 {[%emt 0:01:03]} 2. Bf4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:23]} 3. e3 {[%emt 0:00:11]} e6 {[%emt 0:02:52]} 4. Nd2 {[%emt 0:01:03]} Bd6 {[%emt 0:01:12]} 5. Bg3 {[%emt 0:00:17]} O-O {[%emt 0:00:26]} 6. Ngf3 {[%emt 0:01:00]} c5 {[%emt 0:01:16]} 7. c3 {[%emt 0:00:25]} Qc7 {[%emt 0:01:23]} 8. c4 {[%emt 0:02:32]} cxd4 {[%emt 0:11:51]} 9. Nxd4 {[%emt 0:02:27]} Bxg3 {[%emt 0:01:08]} 10. hxg3 {[%emt 0:00:27]} Nc6 {[%emt 0:00:56]} 11. Nxc6 {[%emt 0:05:48]} Qxc6 {[%emt 0:01:45]} 12. Be2 {[%emt 0:20:59]} Rd8 {[%emt 0:04:04]} 13. cxd5 {[%emt 0:08:36]} Qxd5 {[%emt 0:12:03]} 14. Nc4 {[%emt 0:00:25]} Bd7 {[%emt 0:09:36]} 15. Qxd5 {[%emt 0:04:40]} exd5 {[%emt 0:02:17]} 16. Ne5 {[%emt 0:13:48]} d4 {[%emt 0:07:11]} 17. exd4 {[%emt 0:06:25]} Be6 {[%emt 0:01:42]} 18. O-O {[%emt 0:02:10]} Rxd4 {[%emt 0:00:23]} 19. Bf3 {[%emt 0:00:14]} Rd2 {[%emt 0:04:21]} 20. b3 {[%emt 0:01:38]} Bd5 {[%emt 0:14:20]} 21. Rfd1 {[%emt 0:02:17]} Rxd1+ {[%emt 0:00:09]} 22. Rxd1 {[%emt 0:00:01]} Bxf3 {[%emt 0:01:35]} 23. gxf3 {[%emt 0:00:03]} Rc8 {[%emt 0:02:13]} 24. Ng4 {[%emt 0:02:11]} Kf8 {[%emt 0:13:40]} 25. Nxf6 {[%emt 0:02:32]} gxf6 {[%emt 0:00:03]} 26. Rd7 {[%emt 0:00:04]} Rc2 {[%emt 0:00:39]} 27. a4 {[%emt 0:03:47]} b6 {[%emt 0:00:15]} 28. Rxa7 {[%emt 0:01:24]} Rb2 {[%emt 0:00:33]} 29. Rb7 {[%emt 0:01:16]} Rxb3 {[%emt 0:00:04]} 30. a5 {[%emt 0:00:34]} b5 {[%emt 0:00:44]} 31. a6 {[%emt 0:05:38]} Kg7 {[%emt 0:01:06]} 32. a7 {[%emt 0:00:39]} Ra3 {[%emt 0:00:04]} 33. Kf1 {[%emt 0:00:23]} Ra2 {[%emt 0:01:00]} 34. Ke1 {[%emt 0:03:54]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.5"]
[White "Santiago, Yago De Moura"]
[Black "Roselli Mailhe, Bernardo"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2494"]
[BlackElo "2426"]
[Annotator "ChessBase"]
[PlyCount "121"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:53]} Nf6 {[%emt 0:01:15]} 2. c4 {[%emt 0:00:11]} e6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:26]} d5 {[%emt 0:00:06]} 4. Nf3 {[%emt 0:01:35]} Bb4 {[%emt 0:00:29]} 5. Qa4+ {[%emt 0:01:22]} Nc6 {[%emt 0:00:08]} 6. a3 {[%emt 0:00:04]} Bxc3+ {[%emt 0:02:19]} 7. bxc3 {[%emt 0:00:08]} Ne4 {[%emt 0:01:54]} 8. Qc2 {[%emt 0:00:50]} Na5 {[%emt 0:05:02]} 9. e3 {[%emt 0:04:40]} O-O {[%emt 0:06:38]} 10. Bd3 {[%emt 0:10:25]} b6 {[%emt 0:09:11]} 11. cxd5 {[%emt 0:06:09]} exd5 {[%emt 0:00:12]} 12. O-O {[%emt 0:00:08]} Re8 {[%emt 0:13:09]} 13. Nd2 {[%emt 0:16:36]} Nf6 {[%emt 0:08:14]} 14. e4 {[%emt 0:03:08]} dxe4 {[%emt 0:00:27]} 15. Nxe4 {[%emt 0:00:10]} h6 {[%emt 0:00:04]} 16. Nxf6+ {[%emt 0:31:59]} Qxf6 {[%emt 0:00:06]} 17. Bb2 {[%emt 0:00:05]} c5 {[%emt 0:17:48]} 18. dxc5 {[%emt 0:01:56]} Bb7 {[%emt 0:07:54]} 19. cxb6 {[%emt 0:01:09]} Qc6 {[%emt 0:01:24]} 20. f3 {[%emt 0:00:30]} Nc4 {[%emt 0:02:14]} 21. Bc1 {[%emt 0:00:24]} axb6 {[%emt 0:01:22]} 22. Kh1 {[%emt 0:02:32]} Qc5 {[%emt 0:01:30]} 23. a4 {[%emt 0:07:25]} b5 {[%emt 0:03:24]} 24. Bf4 {[%emt 0:01:56]} g5 {[%emt 0:00:22]} 25. Bc1 {[%emt 0:02:12]} Bc6 {[%emt 0:06:16]} 26. a5 {[%emt 0:00:26]} Rxa5 {[%emt 0:01:01]} 27. Rxa5 {[%emt 0:00:11]} Nxa5 {[%emt 0:00:06]} 28. Bh7+ {[%emt 0:01:19]} Kg7 {[%emt 0:01:13]} 29. c4 {[%emt 0:01:03]} Qxc4 {[%emt 0:02:02]} 30. Bb2+ {[%emt 0:00:15]} Kf8 {[%emt 0:00:30]} 31. Qd1 {[%emt 0:00:36]} Qd5 {[%emt 0:02:04]} 32. Qa1 {[%emt 0:00:12]} Nc4 {[%emt 0:01:47]} 33. Bg7+ {[%emt 0:00:40]} Ke7 {[%emt 0:00:00]} 34. Be4 {[%emt 0:02:34]} Qe6 {[%emt 0:02:05]} 35. Re1 {[%emt 0:00:59]} Kd8 {[%emt 0:00:58]} 36. Bf6+ {[%emt 0:01:39]} Kc8 {[%emt 0:01:23]} 37. Qa6+ {[%emt 0:00:07]} Kc7 {[%emt 0:01:32]} 38. Qa7+ {[%emt 0:01:03]} Kc8 {[%emt 0:00:08]} 39. Qa6+ {[%emt 0:01:20]} Kc7 {[%emt 0:00:05]} 40. Qa7+ {[%emt 0:00:03]} Kc8 {[%emt 0:00:03]} 41. Bd4 {[%emt 0:00:41]} Bxe4 {[%emt 0:00:21]} 42. fxe4 {[%emt 0:00:16]} Qc6 {[%emt 0:01:31]} 43. Qxf7 {[%emt 0:00:28]} Nd6 {[%emt 0:01:08]} 44. Qf6 {[%emt 0:00:30]} Kb7 {[%emt 0:00:09]} 45. e5 {[%emt 0:00:18]} Nc8 {[%emt 0:00:33]} 46. e6 {[%emt 0:00:22]} Qd5 {[%emt 0:00:35]} 47. Bg1 {[%emt 0:01:04]} h5 {[%emt 0:00:11]} 48. Qf7+ {[%emt 0:00:38]} Re7 {[%emt 0:00:06]} 49. Qxh5 {[%emt 0:00:14]} Nd6 50. Qe2 {[%emt 0:00:56]} Nc4 {[%emt 0:01:23]} 51. Qf2 {[%emt 0:00:16]} Kc6 {[%emt 0:00:37]} 52. Qf8 {[%emt 0:00:33]} Qd6 {[%emt 0:02:32]} 53. Qa8+ {[%emt 0:00:39]} Kc7 {[%emt 0:00:02]} 54. Qa7+ {[%emt 0:00:30]} Kc8 {[%emt 0:00:21]} 55. Qa8+ {[%emt 0:00:02]} Kc7 {[%emt 0:00:54]} 56. Ra1 {[%emt 0:00:15]} Qb4 {[%emt 0:00:28]} 57. Ra6 {[%emt 0:00:38]} Ne5 {[%emt 0:00:06]} 58. Qa7+ {[%emt 0:00:20]} Kc8 {[%emt 0:00:00]} 59. Qb6 {[%emt 0:00:31]} Qe4 {[%emt 0:00:01]} 60. Qc5+ {[%emt 0:00:18]} Kd8 {[%emt 0:01:17]} 61. Rd6+ {[%emt 0:00:15]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.6"]
[White "Lopez Azambuja, Nicolas"]
[Black "Lima, Darcy"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2318"]
[BlackElo "2507"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,70,16,29,32,37,41,51,47,38,32,28,32,42,16,26,-21,-31,-25,-23,-35,-26,-22,0,0,0,0,0,0,4,15,43,27,40,35,46,43,35,-12,-15,-6,-5,-34,-37,-109,-99,-200,-204,-197,-192,-380,-377,-371,-384,-701,-697,-647,-639]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 g6 6. O-O Bg7 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Bg5 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6).} Qc8 10. Qd2 (10. Ne5 $2 Bxg2 11. Kxg2 f6 12. Bxf6 Bxf6 $19) 10... h6 11. Be3 {White is slightly better.} d6 12. Rac1 Nc6 13. d5 Ne7 14. dxe6 fxe6 15. Nd4 (15. Bd4 {was preferrable.} e5 16. Bc3) 15... Bxg2 $11 16. Kxg2 {[#]} c5 $146 ({Predecessor:} 16... a6 17. b4 c5 18. Nf3 Qc6 19. Kg1 Nf5 20. g4 Ne7 21. Rfd1 Rd8 22. bxc5 bxc5 {0-1 (36) Nezad,H (2366)-Kotsur,P (2557) Dubai 2014}) 17. Nf3 Qc6 18. Rfd1 Rd8 19. b4 Nf5 20. bxc5 bxc5 21. Kg1 g5 22. g4 Ne7 {[%cal Bf5e7,Be7c6,Bc6e5][%mdl 32]} 23. Qd3 O-O 24. Nd2 Qc7 25. Ne4 {[%cal Oe3g5]} Nc6 {[#] ...Ne5 is the strong threat.} 26. Ng3 ({Reject} 26. Nxd6 Nd4 27. Ne4 {[#]} (27. Bxd4 $2 Rxd6 28. Qg6 cxd4 $19) 27... Nf3+ $1 28. exf3 Rxd3 29. Rxd3 Rxf3 $17) (26. f3 $14) 26... Ne5 {[%csl LRd3,LRg4]} 27. Qe4 Qf7 $1 $36 {[%mdl 2048] Black is more active.} 28. Rf1 d5 29. cxd5 (29. Qg2 $1 $15) 29... exd5 $17 30. Qf5 (30. Qg2 $17 d4 31. f4 Nxg4 32. Bd2) 30... Qe8 $19 31. Qc2 d4 ({Stronger than} 31... Nxg4 32. Bxc5 Rf7 33. f3 $11) 32. Bd2 (32. f4 {was called for.} Nxg4 33. Bd2) 32... d3 33. exd3 Qc6 {And now ...Nf3+ would win.} 34. f4 $2 (34. Qxc5 Nf3+ 35. Kh1 Qxc5 36. Rxc5 Nxd2 37. Rg1) 34... Nf3+ 35. Rxf3 Qxf3 {Weighted Error Value: White=0.30/Black=0.03 (flawless)} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.7"]
[White "Perdomo, Leandro"]
[Black "Coppola, Claudio"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2447"]
[BlackElo "2285"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:17:36]} 2. c4 {[%emt 0:00:03]} c5 {[%emt 0:00:04]} 3. d5 {[%emt 0:00:04]} b5 {[%emt 0:00:02]} 4. cxb5 {[%emt 0:00:20]} a6 {[%emt 0:00:02]} 5. bxa6 {[%emt 0:00:06]} g6 {[%emt 0:00:04]} 6. Nc3 {[%emt 0:00:19]} Bg7 {[%emt 0:00:05]} 7. e4 {[%emt 0:01:00]} O-O {[%emt 0:00:05]} 8. Nf3 {[%emt 0:00:49]} Qa5 {[%emt 0:00:03]} 9. Bd2 {[%emt 0:00:10]} Bxa6 {[%emt 0:00:09]} 10. Be2 {[%emt 0:00:42]} Bxe2 {[%emt 0:00:11]} 11. Qxe2 {[%emt 0:00:05]} Qa6 {[%emt 0:00:02]} 12. a4 {[%emt 0:16:52]} Qxe2+ {[%emt 0:04:02]} 13. Kxe2 {[%emt 0:00:02]} Na6 {[%emt 0:00:45]} 14. Bg5 {[%emt 0:29:01]} Rfb8 {[%emt 0:02:53]} 15. Rab1 {[%emt 0:00:06]} Rb4 {[%emt 0:09:42]} 16. Nd2 {[%emt 0:01:12]} h6 {[%emt 0:00:17]} 17. Bxf6 {[%emt 0:13:27]} Bxf6 {[%emt 0:00:29]} 18. Rhc1 {[%emt 0:00:02]} Rab8 {[%emt 0:00:32]} 19. b3 {[%emt 0:02:10]} Bg5 {[%emt 0:00:39]} 20. f3 {[%emt 0:03:38]} f5 {[%emt 0:04:28]} 21. exf5 {[%emt 0:03:24]} gxf5 {[%emt 0:00:23]} 22. Nb5 {[%emt 0:00:03]} Rh4 {[%emt 0:08:38]} 23. h3 {[%emt 0:02:16]} d6 {[%emt 0:00:51]} 24. Rd1 {[%emt 0:04:07]} Nb4 {[%emt 0:00:01]} 25. Nc4 {[%emt 0:00:12]} Kf7 {[%emt 0:02:35]} 26. Kf2 {[%emt 0:04:16]} Bf6 {[%emt 0:02:23]} 27. Na5 {[%emt 0:11:21]} Rb6 {[%emt 0:05:18]} 28. Rbc1 {[%emt 0:01:43]} Ra6 {[%emt 0:03:15]} 29. Nc4 {[%emt 0:00:17]} f4 {[%emt 0:01:08]} 30. Rd2 {[%emt 0:01:27]} Rh5 {[%emt 0:02:41]} 31. Rcd1 {[%emt 0:00:01]} Rg5 {[%emt 0:03:08]} 32. Kf1 {[%emt 0:00:26]} Rf5 {[%emt 0:01:45]} 33. Nca3 {[%emt 0:02:12]} Re5 {[%emt 0:00:50]} 34. Nc4 {[%emt 0:00:32]} Rf5 {[%emt 0:01:01]} 35. Nca3 {[%emt 0:01:55]} Re5 {[%emt 0:00:12]} 36. Nc7 {[%emt 0:02:37]} Ra7 {[%emt 0:00:52]} 37. Ncb5 {[%emt 0:00:24]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.8"]
[White "Valerga, Diego"]
[Black "Spata, German"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2431"]
[BlackElo "2300"]
[Annotator "ChessBase"]
[PlyCount "37"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 {[%emt 0:01:01]} 2. c4 {[%emt 0:00:20]} c6 {[%emt 0:00:34]} 3. Nf3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:06]} 4. Nc3 {[%emt 0:00:22]} e6 {[%emt 0:02:16]} 5. Bg5 {[%emt 0:01:46]} Nbd7 {[%emt 0:01:29]} 6. e3 {[%emt 0:01:37]} Qa5 {[%emt 0:01:06]} 7. cxd5 {[%emt 0:00:29]} Nxd5 {[%emt 0:00:07]} 8. Rc1 {[%emt 0:01:54]} Nxc3 {[%emt 0:00:06]} 9. bxc3 {[%emt 0:00:05]} Ba3 {[%emt 0:00:06]} 10. Rc2 {[%emt 0:00:06]} b6 {[%emt 0:00:03]} 11. Be2 {[%emt 0:00:31]} Ba6 {[%emt 0:00:04]} 12. O-O {[%emt 0:00:09]} Bxe2 {[%emt 0:00:07]} 13. Rxe2 {[%emt 0:01:25]} O-O {[%emt 0:00:19]} 14. e4 {[%emt 0:00:39]} Rfe8 {[%emt 0:00:17]} 15. Re3 {[%emt 0:09:27]} Bf8 {[%emt 0:00:20]} 16. Qb1 {[%emt 0:01:21]} c5 {[%emt 0:03:06]} 17. Rd1 {[%emt 0:03:04]} cxd4 {[%emt 0:00:22]} 18. cxd4 {[%emt 0:00:08]} Rac8 {[%emt 0:05:19]} 19. h3 {[%emt 0:05:57]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.9"]
[White "Carbone, Diego"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2272"]
[BlackElo "2403"]
[Annotator "ChessBase"]
[PlyCount "25"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:02:23]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:56]} e6 {[%emt 0:00:08]} 3. g3 {[%emt 0:00:42]} d5 {[%emt 0:00:12]} 4. Nf3 {[%emt 0:00:22]} Be7 {[%emt 0:00:08]} 5. Bg2 {[%emt 0:00:09]} O-O {[%emt 0:00:09]} 6. O-O {[%emt 0:00:17]} c6 {[%emt 0:00:07]} 7. Qc2 {[%emt 0:01:06]} b6 {[%emt 0:00:29]} 8. Nbd2 {[%emt 0:01:06]} Bb7 {[%emt 0:00:31]} 9. e4 {[%emt 0:01:02]} Na6 {[%emt 0:00:55]} 10. a3 {[%emt 0:11:40]} c5 {[%emt 0:01:43]} 11. exd5 {[%emt 0:08:14]} exd5 {[%emt 0:00:21]} 12. dxc5 {[%emt 0:00:38]} Nxc5 {[%emt 0:01:41]} 13. b4 {[%emt 0:01:11]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.10"]
[White "Granara Barreto, Sebastian"]
[Black "Coro, Lucas"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2131"]
[BlackElo "2355"]
[Annotator "ChessBase"]
[PlyCount "95"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:01:19]} c6 {[%emt 0:01:37]} 2. d4 {[%emt 0:04:02]} d5 {[%emt 0:01:02]} 3. exd5 {[%emt 0:00:05]} cxd5 {[%emt 0:00:27]} 4. Bd3 {[%emt 0:01:06]} Nc6 {[%emt 0:00:38]} 5. c3 {[%emt 0:00:12]} Nf6 {[%emt 0:01:55]} 6. Bf4 {[%emt 0:01:34]} Bg4 {[%emt 0:00:59]} 7. Nf3 {[%emt 0:06:37]} e6 {[%emt 0:01:39]} 8. Nbd2 {[%emt 0:00:38]} Bd6 {[%emt 0:01:52]} 9. Bg3 {[%emt 0:04:25]} O-O {[%emt 0:00:51]} 10. O-O {[%emt 0:01:05]} Bxg3 {[%emt 0:03:34]} 11. hxg3 {[%emt 0:02:32]} Rb8 {[%emt 0:01:39]} 12. Qc2 {[%emt 0:01:04]} Ne7 {[%emt 0:02:40]} 13. Ne5 {[%emt 0:02:07]} Bf5 {[%emt 0:00:54]} 14. a4 {[%emt 0:03:03]} Qc7 {[%emt 0:06:45]} 15. Rfc1 {[%emt 0:06:04]} Rfc8 {[%emt 0:03:15]} 16. Qd1 {[%emt 0:01:36]} Nd7 {[%emt 0:03:18]} 17. Nxd7 {[%emt 0:05:37]} Qxd7 {[%emt 0:00:09]} 18. Nf3 {[%emt 0:00:06]} Bxd3 {[%emt 0:04:19]} 19. Qxd3 {[%emt 0:00:06]} Nc6 {[%emt 0:02:20]} 20. Re1 {[%emt 0:03:33]} a6 {[%emt 0:05:00]} 21. Re2 {[%emt 0:03:31]} Qc7 {[%emt 0:03:14]} 22. Rae1 {[%emt 0:03:10]} b5 {[%emt 0:02:01]} 23. axb5 {[%emt 0:04:42]} axb5 {[%emt 0:00:08]} 24. Ng5 {[%emt 0:00:06]} g6 {[%emt 0:02:37]} 25. Qf3 {[%emt 0:02:51]} Qe7 {[%emt 0:06:35]} 26. Qf4 {[%emt 0:02:03]} Kg7 {[%emt 0:09:54]} 27. Qg4 {[%emt 0:15:27]} Qf6 {[%emt 0:06:31]} 28. Re3 {[%emt 0:04:18]} h6 {[%emt 0:01:23]} 29. Nh3 {[%emt 0:02:36]} b4 {[%emt 0:04:51]} 30. Rf3 {[%emt 0:01:00]} h5 {[%emt 0:00:44]} 31. Qg5 {[%emt 0:04:25]} Qxg5 {[%emt 0:00:06]} 32. Nxg5 {[%emt 0:00:02]} Nd8 {[%emt 0:00:11]} 33. Ra1 {[%emt 0:01:38]} Rc7 {[%emt 0:03:14]} 34. Re3 {[%emt 0:06:35]} bxc3 {[%emt 0:00:04]} 35. bxc3 {[%emt 0:00:02]} Rbc8 {[%emt 0:01:14]} 36. Ra3 {[%emt 0:00:58]} Nb7 {[%emt 0:02:49]} 37. Ra6 {[%emt 0:06:34]} Rxc3 {[%emt 0:01:24]} 38. Nxe6+ {[%emt 0:00:06]} fxe6 {[%emt 0:01:16]} 39. Rexe6 {[%emt 0:00:06]} Rb3 {[%emt 0:04:55]} 40. Rxg6+ {[%emt 0:00:31]} Kf7 {[%emt 0:00:07]} 41. Rgb6 {[%emt 0:02:38]} Rcc3 {[%emt 0:03:10]} 42. Kh2 {[%emt 0:00:39]} Ke7 {[%emt 0:03:39]} 43. Rh6 {[%emt 0:00:16]} Kf7 {[%emt 0:02:20]} 44. Rxh5 {[%emt 0:00:40]} Nd8 {[%emt 0:01:06]} 45. Rxd5 {[%emt 0:00:25]} Nc6 {[%emt 0:00:16]} 46. Rc5 {[%emt 0:00:43]} Nxd4 {[%emt 0:00:13]} 47. Rxc3 {[%emt 0:00:06]} Rxc3 {[%emt 0:00:04]} 48. g4 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.11"]
[White "Menna Barreto, Felipe Kubiaki"]
[Black "Vazquez, Facundo"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2351"]
[BlackElo "2319"]
[Annotator "ChessBase"]
[PlyCount "50"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:04:38]} Nf6 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:08]} e6 {[%emt 0:00:07]} 3. Bf4 {[%emt 0:00:42]} c5 {[%emt 0:00:09]} 4. e3 {[%emt 0:00:18]} Qb6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:02:42]} a6 {[%emt 0:00:18]} 6. Na4 {[%emt 0:06:43]} Qa5+ {[%emt 0:00:03]} 7. c3 {[%emt 0:00:09]} c4 {[%emt 0:00:05]} 8. Nd2 {[%emt 0:09:07]} d5 {[%emt 0:00:18]} 9. b4 {[%emt 0:04:39]} Qd8 {[%emt 0:00:24]} 10. Be2 {[%emt 0:09:20]} Bd7 {[%emt 0:04:56]} 11. Rb1 {[%emt 0:00:55]} Bc6 {[%emt 0:03:39]} 12. O-O {[%emt 0:03:25]} Nbd7 {[%emt 0:04:25]} 13. Qc2 {[%emt 0:01:25]} Be7 {[%emt 0:02:56]} 14. Nc5 {[%emt 0:01:17]} O-O {[%emt 0:09:14]} 15. Nf3 {[%emt 0:04:20]} Nh5 {[%emt 0:10:10]} 16. Nxd7 {[%emt 0:02:20]} Bxd7 {[%emt 0:01:05]} 17. Ne5 {[%emt 0:12:43]} Nxf4 {[%emt 0:02:35]} 18. exf4 {[%emt 0:00:01]} Be8 {[%emt 0:05:22]} 19. Bg4 {[%emt 0:00:07]} Bd6 {[%emt 0:04:59]} 20. g3 {[%emt 0:01:39]} f5 {[%emt 0:02:11]} 21. Bh3 {[%emt 0:10:15]} Bxe5 {[%emt 0:00:43]} 22. fxe5 {[%emt 0:00:33]} Qe7 {[%emt 0:01:39]} 23. f4 {[%emt 0:01:20]} b6 {[%emt 0:02:01]} 24. a4 {[%emt 0:00:54]} Bh5 {[%emt 0:00:40]} 25. a5 {[%emt 0:05:53]} b5 {[%emt 0:00:47]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.12"]
[White "Carvalho, Guillermo"]
[Black "Vitoux, Colomban"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2171"]
[BlackElo "2372"]
[Annotator "NA"]
[PlyCount "156"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:07]} c6 {[%emt 0:08:31]} 2. e4 {[%emt 0:00:18]} e5 {[%emt 0:00:27]} 3. d4 {[%emt 0:02:03]} d6 {[%emt 0:01:22]} 4. Nc3 {[%emt 0:02:30]} Nf6 {[%emt 0:01:31]} 5. Nf3 {[%emt 0:00:34]} Bg4 {[%emt 0:01:36]} 6. Be2 {[%emt 0:03:04]} Qc7 {[%emt 0:03:12]} 7. O-O {[%emt 0:03:28]} Be7 {[%emt 0:01:08]} 8. Be3 {[%emt 0:00:44]} O-O {[%emt 0:09:05]} 9. Ne1 {[%emt 0:03:18]} Bxe2 {[%emt 0:06:31]} 10. Qxe2 {[%emt 0:01:26]} Nbd7 {[%emt 0:01:34]} 11. Nd3 {[%emt 0:05:29]} Rfe8 {[%emt 0:04:07]} 12. d5 {[%emt 0:00:58]} a6 {[%emt 0:03:16]} 13. Rac1 {[%emt 0:00:58]} Qb8 {[%emt 0:05:34]} 14. f3 {[%emt 0:03:40]} Rc8 {[%emt 0:04:08]} 15. b3 {[%emt 0:07:03]} Bd8 {[%emt 0:04:41]} 16. Qf2 {[%emt 0:02:44]} c5 {[%emt 0:04:43]} ({Black should play} 16... Ba5 $14) 17. g4 {[%emt 0:00:56]} Ba5 {[%emt 0:07:38] [#]} 18. Ne2 $1 {[%emt 0:01:03]} Rf8 {[%emt 0:06:16]} 19. Ng3 {[%emt 0:01:31]} Kh8 {[%emt 0:02:34]} 20. Qg2 {[%emt 0:04:45]} Ng8 {[%emt 0:04:55]} 21. Kh1 {[%emt 0:01:31]} (21. h4 $18) 21... b5 {[%emt 0:01:42]} 22. h4 {[%emt 0:12:44]} Bd8 {[%emt 0:01:26]} (22... bxc4 $16 {might work better.} 23. Rxc4 (23. bxc4 Ne7 $16) 23... Ne7) 23. Qh3 {[%emt 0:02:43]} (23. f4 $18) 23... Ra7 {[%emt 0:03:49]} 24. g5 {[%emt 0:01:17]} bxc4 {[%emt 0:04:29]} 25. bxc4 {[%emt 0:00:23]} Qc8 {[%emt 0:00:55]} 26. f4 {[%emt 0:00:48]} exf4 {[%emt 0:03:43]} 27. Bxf4 {[%emt 0:05:03]} Bc7 {[%emt 0:01:17]} 28. Rb1 {[%emt 0:03:31]} Ne7 {[%emt 0:01:26]} 29. h5 {[%emt 0:00:59]} Nb6 {[%emt 0:00:34]} 30. Qxc8 {[%emt 0:01:10]} Rxc8 {[%emt 0:01:16]} 31. Rbc1 {[%emt 0:03:38]} Kg8 {[%emt 0:00:35]} 32. e5 {[%emt 0:01:41]} dxe5 {[%emt 0:00:09]} 33. Bxe5 {[%emt 0:00:48]} Rd8 {[%emt 0:01:07]} 34. Ne4 {[%emt 0:01:14]} Nec8 {[%emt 0:01:32]} 35. Rf4 {[%emt 0:08:58]} Nd7 {[%emt 0:00:30]} 36. Bxc7 {[%emt 0:00:45]} Rxc7 {[%emt 0:00:02]} 37. h6 {[%emt 0:01:58]} Re8 {[%emt 0:00:24]} 38. hxg7 {[%emt 0:01:59]} Kxg7 {[%emt 0:00:01]} 39. Rcf1 {[%emt 0:05:00]} Ne5 {[%emt 0:00:03]} 40. Nf6 {[%emt 0:03:49]} Ree7 {[%emt 0:00:17]} 41. Nh5+ {[%emt 0:01:24]} Kf8 {[%emt 0:01:32]} 42. Nxe5 {[%emt 0:00:19]} Rxe5 {[%emt 0:00:01]} 43. Nf6 {[%emt 0:00:22]} Nd6 {[%emt 0:00:38]} 44. Nxh7+ {[%emt 0:00:29]} Kg7 {[%emt 0:00:04]} 45. Nf6 {[%emt 0:01:04]} Rxg5 {[%emt 0:00:07]} 46. Rh4 {[%emt 0:01:20]} Kg6 {[%emt 0:02:11]} (46... Rb7 $11) 47. Ng8 {[%emt 0:01:04]} Nf5 {[%emt 0:00:17]} 48. d6 {[%emt 0:01:11]} Rd7 $2 {[%emt 0:00:58]} (48... Ng3+ $19 49. Kg2 Nxf1+ 50. Kxf1 Rd7 51. Ne7+ Kf6) 49. Ne7+ {[%emt 0:00:31]} Nxe7 {[%emt 0:00:04]} 50. dxe7 {[%emt 0:00:09]} Rxe7 {[%emt 0:00:02]} 51. Rh8 {[%emt 0:00:51]} Kg7 {[%emt 0:00:14]} 52. Rh4 {[%emt 0:00:21]} Re3 {[%emt 0:00:27]} 53. Rg1 {[%emt 0:00:36]} Rxg1+ {[%emt 0:01:04]} 54. Kxg1 {[%emt 0:00:07]} Rc3 {[%emt 0:00:54]} 55. Re4 {[%emt 0:00:43]} Kf6 {[%emt 0:00:25]} 56. Kf2 $19 {[%emt 0:00:51]} Kf5 {[%emt 0:00:45]} 57. Re7 {[%emt 0:00:27]} f6 {[%emt 0:00:06]} 58. Ra7 {[%emt 0:00:24]} Ra3 {[%emt 0:00:25]} 59. Rd7 {[%emt 0:00:38]} Rxa2+ {[%emt 0:00:28]} 60. Ke3 {[%emt 0:00:06]} Ra3+ {[%emt 0:00:07]} 61. Kd2 {[%emt 0:00:14]} Ra2+ {[%emt 0:00:30]} 62. Kd3 {[%emt 0:00:21]} Ra3+ {[%emt 0:00:08]} 63. Kd2 {[%emt 0:00:07]} Ke4 {[%emt 0:00:23]} 64. Rd5 {[%emt 0:00:21]} Ra5 {[%emt 0:00:57]} 65. Kc3 {[%emt 0:00:21]} f5 {[%emt 0:00:27]} 66. Rd6 {[%emt 0:00:18]} f4 {[%emt 0:00:39]} 67. Rc6 {[%emt 0:00:48]} f3 {[%emt 0:00:16]} 68. Kb2 {[%emt 0:01:28]} Ra4 {[%emt 0:00:42]} 69. Kb3 {[%emt 0:00:25]} Ra1 {[%emt 0:00:09]} 70. Rf6 {[%emt 0:00:14]} Ke3 {[%emt 0:01:13]} 71. Re6+ {[%emt 0:00:14]} Kd3 {[%emt 0:00:17]} 72. Rd6+ {[%emt 0:00:44]} Ke2 {[%emt 0:00:02]} 73. Kb2 {[%emt 0:00:32]} Ra5 {[%emt 0:01:32]} 74. Re6+ {[%emt 0:00:23]} Kf1 {[%emt 0:00:03]} 75. Re4 {[%emt 0:00:41]} f2 {[%emt 0:00:06]} 76. Re8 {[%emt 0:00:21]} Ra4 {[%emt 0:00:11]} 77. Kb3 {[%emt 0:00:09]} Rb4+ {[%emt 0:00:30]} 78. Kc3 {[%emt 0:00:07]} Rb6 {[%emt 0:00:26]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.13"]
[White "Lujan, Carolina"]
[Black "Mateus, Martha"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2334"]
[BlackElo "2019"]
[Annotator "ChessBase"]
[PlyCount "87"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:04:38]} c5 2. Nf3 {[%emt 0:00:39]} d6 {[%emt 0:01:58]} 3. d4 {[%emt 0:00:16]} cxd4 {[%emt 0:00:11]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:03]} 5. Nc3 {[%emt 0:00:08]} a6 {[%emt 0:00:03]} 6. Bd3 {[%emt 0:00:09]} e5 {[%emt 0:00:05]} 7. Nde2 {[%emt 0:00:09]} Be7 {[%emt 0:00:58]} 8. O-O {[%emt 0:00:18]} Be6 {[%emt 0:00:48]} 9. Ng3 {[%emt 0:03:01]} O-O {[%emt 0:09:06]} 10. Nd5 {[%emt 0:04:08]} Nbd7 {[%emt 0:06:21]} 11. c4 {[%emt 0:02:30]} Re8 {[%emt 0:07:26]} 12. h3 {[%emt 0:15:51]} Bf8 {[%emt 0:05:23]} 13. Be3 {[%emt 0:04:04]} Rc8 {[%emt 0:02:07]} 14. b4 {[%emt 0:02:19]} Bxd5 {[%emt 0:17:24]} 15. cxd5 {[%emt 0:01:55]} Nb6 {[%emt 0:07:21]} 16. Qb3 {[%emt 0:01:53]} g6 {[%emt 0:13:29]} 17. Rac1 {[%emt 0:10:07]} h5 {[%emt 0:03:21]} 18. b5 {[%emt 0:07:21]} a5 {[%emt 0:02:13]} 19. Rxc8 {[%emt 0:00:39]} Nxc8 {[%emt 0:00:06]} 20. b6 {[%emt 0:00:17]} Nd7 {[%emt 0:11:35]} 21. Bb5 {[%emt 0:02:40]} Re7 {[%emt 0:01:02]} 22. Qa3 {[%emt 0:01:56]} h4 {[%emt 0:07:49]} 23. Ne2 {[%emt 0:00:15]} Nc5 {[%emt 0:02:10]} 24. Qxa5 {[%emt 0:15:21]} Nxe4 {[%emt 0:00:41]} 25. Rc1 {[%emt 0:02:18]} Nc5 {[%emt 0:00:22]} 26. Bg5 {[%emt 0:07:33]} Qxb6 {[%emt 0:00:10]} 27. Qxb6 {[%emt 0:00:09]} Nxb6 {[%emt 0:00:03]} 28. Bxe7 {[%emt 0:00:05]} Bxe7 {[%emt 0:00:04]} 29. Nc3 {[%emt 0:00:31]} e4 {[%emt 0:01:47]} 30. Nxe4 {[%emt 0:04:41]} Nxe4 {[%emt 0:00:04]} 31. Re1 {[%emt 0:00:03]} Bf6 {[%emt 0:01:11]} 32. Rxe4 {[%emt 0:00:14]} Nxd5 {[%emt 0:00:06]} 33. Re8+ {[%emt 0:00:37]} Kg7 {[%emt 0:00:04]} 34. Rb8 {[%emt 0:00:17]} b6 {[%emt 0:00:53]} 35. Bc4 {[%emt 0:00:23]} Nc3 {[%emt 0:00:56]} 36. Rxb6 {[%emt 0:00:24]} d5 {[%emt 0:00:03]} 37. Bb3 {[%emt 0:00:15]} Bd4 {[%emt 0:00:28]} 38. Rb7 {[%emt 0:01:53]} Kf6 {[%emt 0:00:34]} 39. a4 {[%emt 0:01:30]} Ke6 {[%emt 0:00:28]} 40. a5 {[%emt 0:00:45]} Ne4 {[%emt 0:00:29]} 41. a6 {[%emt 0:00:39]} Bxf2+ {[%emt 0:00:19]} 42. Kf1 {[%emt 0:00:58]} Bc5 {[%emt 0:01:08]} 43. Bc2 {[%emt 0:01:30]} Nd6 {[%emt 0:00:37]} 44. a7 {[%emt 0:00:49]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.14"]
[White "Miranda, Rafael"]
[Black "Siddeley, Hugh"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2264"]
[BlackElo "2000"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} c5 {[%emt 0:02:36]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:05]} 3. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:03]} e5 {[%emt 0:00:08]} 5. Nb5 {[%emt 0:00:04]} d6 {[%emt 0:00:04]} 6. c4 {[%emt 0:00:03]} Be7 {[%emt 0:00:06]} 7. N1c3 {[%emt 0:00:04]} a6 {[%emt 0:00:05]} 8. Na3 {[%emt 0:00:03]} f5 {[%emt 0:00:15]} 9. exf5 {[%emt 0:00:09]} Bxf5 {[%emt 0:00:01]} 10. Nc2 {[%emt 0:00:07]} Nf6 {[%emt 0:01:50]} 11. Ne3 {[%emt 0:00:05]} Be6 {[%emt 0:00:15]} 12. g3 {[%emt 0:00:05]} O-O {[%emt 0:03:07]} 13. Bg2 {[%emt 0:00:05]} Rc8 {[%emt 0:03:47]} 14. Ncd5 {[%emt 0:06:43]} b5 {[%emt 0:03:47]} 15. cxb5 {[%emt 0:01:36]} axb5 {[%emt 0:00:06]} 16. O-O {[%emt 0:00:16]} Nd4 {[%emt 0:07:25]} 17. b4 {[%emt 0:05:44]} Nxd5 {[%emt 0:10:24]} 18. Nxd5 {[%emt 0:01:14]} Kh8 {[%emt 0:09:39]} 19. a3 {[%emt 0:13:22]} Bf6 {[%emt 0:11:10]} 20. Bb2 {[%emt 0:01:34]} Rc4 {[%emt 0:13:17]} 21. Rc1 {[%emt 0:05:38]} Rxc1 {[%emt 0:00:22]} 22. Bxc1 {[%emt 0:00:06]} Qb8 {[%emt 0:04:11]} 23. Bb2 {[%emt 0:01:26]} Nf5 {[%emt 0:02:09]} 24. Qd2 {[%emt 0:03:37]} Bd8 {[%emt 0:06:14]} 25. Rc1 {[%emt 0:05:37]} Ne7 {[%emt 0:03:18]} 26. Nxe7 {[%emt 0:06:28]} Bxe7 {[%emt 0:00:02]} 27. Bd5 {[%emt 0:00:18]} Bh3 {[%emt 0:02:26]} 28. Qe3 {[%emt 0:03:25]} Bd8 {[%emt 0:03:02]} 29. Rc6 {[%emt 0:01:06]} Bd7 {[%emt 0:00:12]} 30. Ra6 {[%emt 0:00:49]} Qc8 {[%emt 0:06:18]} 31. Rxd6 {[%emt 0:01:16]} Bc7 {[%emt 0:01:21]} 32. Qxe5 {[%emt 0:00:26]} Rf6 {[%emt 0:01:04]} 33. Qxf6 {[%emt 0:00:05]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.15"]
[White "Benitez, Andres"]
[Black "Michailov, Matias"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1978"]
[BlackElo "2248"]
[Annotator "ChessBase"]
[PlyCount "74"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} e6 {[%emt 0:01:27]} 2. d4 {[%emt 0:00:32]} d5 {[%emt 0:00:17]} 3. Nd2 {[%emt 0:00:32]} a6 {[%emt 0:02:42]} 4. Ngf3 {[%emt 0:00:13]} c5 {[%emt 0:00:08]} 5. exd5 {[%emt 0:00:28]} exd5 {[%emt 0:00:10]} 6. dxc5 {[%emt 0:00:40]} Bxc5 {[%emt 0:00:21]} 7. Nb3 {[%emt 0:00:26]} Ba7 {[%emt 0:00:54]} 8. Be2 {[%emt 0:01:41]} Nf6 {[%emt 0:00:35]} 9. O-O {[%emt 0:00:37]} O-O {[%emt 0:00:41]} 10. Bg5 {[%emt 0:00:21]} Nc6 {[%emt 0:04:28]} 11. c3 {[%emt 0:02:30]} Bg4 {[%emt 0:07:42]} 12. Nfd4 {[%emt 0:10:32]} Bxe2 {[%emt 0:03:37]} 13. Nxe2 {[%emt 0:02:47]} Re8 {[%emt 0:03:13]} 14. Ned4 {[%emt 0:00:46]} h6 {[%emt 0:02:56]} 15. Be3 {[%emt 0:17:53]} Ne5 {[%emt 0:06:48]} 16. Nf5 {[%emt 0:07:47]} Bb8 {[%emt 0:04:40]} 17. Bd4 {[%emt 0:06:03]} Nc6 {[%emt 0:02:09]} 18. Qf3 {[%emt 0:08:50]} Nxd4 {[%emt 0:02:00]} 19. Nbxd4 {[%emt 0:01:01]} Be5 {[%emt 0:08:11]} 20. Rfd1 {[%emt 0:04:52]} Qc7 {[%emt 0:02:18]} 21. g3 {[%emt 0:01:36]} Rad8 {[%emt 0:01:24]} 22. Ne3 {[%emt 0:01:52]} Qb6 {[%emt 0:04:26]} 23. Rab1 {[%emt 0:01:35]} g6 {[%emt 0:02:33]} 24. Ng4 {[%emt 0:01:51]} Nxg4 {[%emt 0:02:04]} 25. Qxg4 {[%emt 0:01:01]} Bg7 {[%emt 0:02:02]} 26. Qf3 {[%emt 0:02:15]} Qa5 {[%emt 0:08:01]} 27. Ra1 {[%emt 0:01:53]} Qa4 {[%emt 0:00:55]} 28. Rd2 {[%emt 0:01:34]} h5 {[%emt 0:00:51]} 29. a3 {[%emt 0:03:23]} h4 {[%emt 0:06:02]} 30. Rad1 {[%emt 0:04:06]} Re4 {[%emt 0:03:54]} 31. Qg2 {[%emt 0:08:38]} Rde8 {[%emt 0:03:57]} 32. Qf1 {[%emt 0:00:58]} Bh6 {[%emt 0:03:44]} 33. Rd3 {[%emt 0:03:35]} Qc4 {[%emt 0:01:46]} 34. Kg2 {[%emt 0:01:21]} Qc8 {[%emt 0:02:40]} 35. Kg1 {[%emt 0:03:15]} b5 {[%emt 0:02:23]} 36. f4 {[%emt 0:00:27]} hxg3 {[%emt 0:03:07]} 37. hxg3 {[%emt 0:00:01]} Qg4 {[%emt 0:00:10]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.16"]
[White "Sanhueza, Cristian"]
[Black "Meza, Anahi"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2242"]
[BlackElo "1996"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:16:32]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:15]} 3. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:09]} g6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:58]} Bg7 {[%emt 0:00:06]} 6. Be3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:03]} 7. Bc4 {[%emt 0:00:24]} O-O {[%emt 0:00:06]} 8. Bb3 {[%emt 0:00:08]} Re8 {[%emt 0:00:43]} 9. O-O {[%emt 0:03:23]} d6 {[%emt 0:02:11]} 10. h3 {[%emt 0:01:27]} Na5 {[%emt 0:00:44]} 11. Re1 {[%emt 0:04:20]} b6 {[%emt 0:06:35]} 12. Qd2 {[%emt 0:09:16]} Bb7 {[%emt 0:09:11]} 13. Bh6 {[%emt 0:09:13]} Nxb3 {[%emt 0:07:25]} 14. axb3 {[%emt 0:00:20]} Bh8 {[%emt 0:07:58]} 15. Qe3 {[%emt 0:11:36]} Qc8 {[%emt 0:11:51]} 16. Ra4 {[%emt 0:15:13]} a6 {[%emt 0:06:34]} 17. Raa1 {[%emt 0:03:23]} b5 {[%emt 0:00:49]} 18. Qd3 {[%emt 0:00:48]} Qc7 {[%emt 0:05:30]} 19. Rad1 {[%emt 0:01:45]} Rac8 {[%emt 0:00:49]} 20. Re2 {[%emt 0:00:55]} Qc5 {[%emt 0:04:30]} 21. Nf3 {[%emt 0:00:59]} Qh5 {[%emt 0:13:39]} 22. Bc1 {[%emt 0:03:28]} Nd7 {[%emt 0:01:56]} 23. Nd5 {[%emt 0:01:28]} Nf6 {[%emt 0:05:21]} 24. c4 {[%emt 0:02:03]} bxc4 {[%emt 0:02:01]} 25. bxc4 {[%emt 0:00:50]} Nd7 {[%emt 0:01:31]} 26. b3 {[%emt 0:01:01]} a5 {[%emt 0:05:40]} 27. Ra2 {[%emt 0:05:57]} Nc5 {[%emt 0:00:45]} 28. Qe3 {[%emt 0:00:12]} a4 {[%emt 0:04:46]} 29. bxa4 {[%emt 0:00:52]} Ba6 {[%emt 0:00:15]} 30. Nb6 {[%emt 0:04:24]} Rb8 {[%emt 0:00:07]} 31. a5 {[%emt 0:00:05]} Bb7 {[%emt 0:01:30]} 32. Nd5 {[%emt 0:00:39]} Ba6 {[%emt 0:01:17]} 33. Nf4 {[%emt 0:00:25]} Qh6 {[%emt 0:00:24]} 34. Qe2 {[%emt 0:00:12]} Qg7 {[%emt 0:00:20]} 35. Nd5 {[%emt 0:00:54]} Rb7 {[%emt 0:00:44]} 36. Be3 {[%emt 0:00:39]} Ne6 {[%emt 0:01:01]} 37. Rc2 {[%emt 0:02:46]} Qf8 {[%emt 0:00:46]} 38. Qd2 {[%emt 0:00:19]} Bg7 {[%emt 0:00:26]} 39. Nd4 {[%emt 0:00:12]} Nc5 {[%emt 0:00:10]} 40. f3 {[%emt 0:00:17]} Bxd4 {[%emt 0:00:47]} 41. Qxd4 {[%emt 0:01:10]} Rb3 {[%emt 0:00:29]} 42. Nb6 {[%emt 0:01:18]} Ra3 {[%emt 0:00:18]} 43. Bc1 {[%emt 0:00:16]} Rxa5 {[%emt 0:00:14]} 44. Bb2 {[%emt 0:00:15]} f6 {[%emt 0:00:17]} 45. Bc3 {[%emt 0:01:02]} Ne6 {[%emt 0:01:11]} 46. Qd3 {[%emt 0:00:38]} Rg5 {[%emt 0:00:28]} 47. Bd2 {[%emt 0:00:15]} Rc5 {[%emt 0:00:28]} 48. Nd7 {[%emt 0:00:15]} Qf7 {[%emt 0:00:12]} 49. Nxc5 {[%emt 0:00:14]} dxc5 {[%emt 0:00:45]} 50. Be3 {[%emt 0:01:16]} Rb8 {[%emt 0:00:44]} 51. Ra2 {[%emt 0:00:21]} Rb6 {[%emt 0:00:43]} 52. Rda1 {[%emt 0:00:48]} Rd6 {[%emt 0:00:36]} 53. Qb3 {[%emt 0:00:34]} Bc8 {[%emt 0:00:50]} 54. Ra8 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.17"]
[White "Dotta, Gian Franco"]
[Black "Curi, Gabriel"]
[Result "0-1"]
[ECO "A64"]
[WhiteElo "1991"]
[BlackElo "2205"]
[Annotator "ChessBase"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:04:41]} Nf6 {[%emt 0:00:51]} 2. c4 {[%emt 0:00:08]} e6 {[%emt 0:00:48]} 3. g3 {[%emt 0:00:08]} c5 {[%emt 0:03:11]} 4. d5 {[%emt 0:00:27]} exd5 {[%emt 0:00:05]} 5. cxd5 {[%emt 0:00:05]} d6 {[%emt 0:00:04]} 6. Nc3 {[%emt 0:00:39]} g6 {[%emt 0:00:08]} 7. Nf3 Bg7 {[%emt 0:00:06]} 8. Bg2 {[%emt 0:00:55]} O-O {[%emt 0:00:06]} 9. O-O {[%emt 0:00:09]} a6 {[%emt 0:00:06]} 10. a4 {[%emt 0:00:20]} Re8 {[%emt 0:01:02]} 11. Nd2 {[%emt 0:04:27]} Nbd7 {[%emt 0:00:30]} 12. Re1 {[%emt 0:00:52]} Rb8 {[%emt 0:01:36]} 13. a5 {[%emt 0:00:50]} b5 {[%emt 0:06:04]} 14. axb6 {[%emt 0:02:10]} Nxb6 {[%emt 0:00:07]} 15. e4 {[%emt 0:01:51]} Ng4 {[%emt 0:12:41]} 16. Qe2 {[%emt 0:12:15]} f5 {[%emt 0:07:13]} 17. h3 {[%emt 0:10:09]} Nf6 {[%emt 0:02:34]} 18. Qd3 {[%emt 0:02:58]} Qc7 {[%emt 0:00:32]} 19. Nc4 Nxc4 {[%emt 0:01:30]} 20. Qxc4 {[%emt 0:02:18]} Rb4 {[%emt 0:01:59]} 21. Qd3 {[%emt 0:00:28]} fxe4 {[%emt 0:01:42]} 22. Nxe4 {[%emt 0:02:03]} Nxe4 {[%emt 0:00:51]} 23. Rxe4 {[%emt 0:01:28]} Rexe4 {[%emt 0:09:59]} 24. Bxe4 {[%emt 0:00:06]} Qe7 {[%emt 0:00:29]} 25. f3 {[%emt 0:06:12]} Bd4+ 26. Kh1 Bxb2 {[%emt 0:16:23]} 27. Bxb2 {[%emt 0:02:59]} Rxb2 {[%emt 0:00:08]} 28. Bxg6 {[%emt 0:10:04]} Qg7 {[%emt 0:03:32]} 29. Re1 {[%emt 0:02:54]} Qxg6 {[%emt 0:09:23]} 30. Qxg6+ {[%emt 0:00:08]} hxg6 {[%emt 0:00:04]} 31. Re8+ {[%emt 0:00:11]} Kf7 {[%emt 0:00:04]} 32. Rxc8 {[%emt 0:00:05]} a5 {[%emt 0:00:03]} 33. Kg1 {[%emt 0:07:20]} a4 {[%emt 0:02:22]} 34. Ra8 {[%emt 0:00:27]} c4 {[%emt 0:01:02]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.18"]
[White "Fernandez, Maria Florencia"]
[Black "Garcia, Luis E."]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2200"]
[BlackElo "2192"]
[Annotator "ChessBase"]
[PlyCount "89"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:09:45]} Nf6 {[%emt 0:00:10]} 2. c4 {[%emt 0:00:05]} c5 {[%emt 0:00:11]} 3. d5 {[%emt 0:00:05]} b5 {[%emt 0:00:08]} 4. cxb5 {[%emt 0:00:04]} a6 {[%emt 0:00:05]} 5. bxa6 {[%emt 0:00:03]} Bxa6 {[%emt 0:00:07]} 6. Nc3 {[%emt 0:00:06]} g6 {[%emt 0:00:11]} 7. Nf3 {[%emt 0:00:20]} d6 {[%emt 0:00:14]} 8. e4 Bxf1 {[%emt 0:00:06]} 9. Kxf1 {[%emt 0:00:07]} Bg7 {[%emt 0:00:09]} 10. g3 {[%emt 0:00:04]} O-O {[%emt 0:00:16]} 11. Kg2 {[%emt 0:00:02]} Qb6 {[%emt 0:01:43]} 12. Qc2 {[%emt 0:00:24]} Na6 {[%emt 0:01:02]} 13. a4 {[%emt 0:03:26]} Rfb8 {[%emt 0:01:22]} 14. Ra3 {[%emt 0:02:16]} Ng4 {[%emt 0:05:09]} 15. Nb5 {[%emt 0:02:39]} Nc7 {[%emt 0:02:15]} 16. Rb3 {[%emt 0:13:14]} Nxb5 {[%emt 0:05:33]} 17. Rxb5 {[%emt 0:00:05]} Qa7 {[%emt 0:00:08]} 18. Rxb8+ {[%emt 0:00:20]} Rxb8 {[%emt 0:00:19]} 19. h3 {[%emt 0:04:22]} Ne5 {[%emt 0:00:34]} 20. Nd2 {[%emt 0:03:49]} Qa6 {[%emt 0:01:19]} 21. b3 {[%emt 0:04:55]} Qe2 {[%emt 0:08:33]} 22. Qd1 {[%emt 0:02:29]} Qd3 {[%emt 0:04:06]} 23. Re1 {[%emt 0:10:48]} f5 {[%emt 0:08:02]} 24. f4 {[%emt 0:11:07]} Nf7 {[%emt 0:00:39]} 25. Qe2 {[%emt 0:01:41]} Qxe2+ {[%emt 0:01:51]} 26. Rxe2 {[%emt 0:00:05]} fxe4 {[%emt 0:00:07]} 27. Rxe4 {[%emt 0:00:15]} Kf8 {[%emt 0:00:13]} 28. Re3 {[%emt 0:02:53]} Nd8 {[%emt 0:05:53]} 29. Nc4 {[%emt 0:01:03]} Bd4 {[%emt 0:00:39]} 30. Rf3 {[%emt 0:01:23]} Kg7 {[%emt 0:00:46]} 31. Bd2 {[%emt 0:03:18]} Kf6 {[%emt 0:05:34]} 32. g4 {[%emt 0:00:40]} h6 {[%emt 0:07:38]} 33. Ba5 {[%emt 0:06:34]} Nb7 {[%emt 0:03:35]} 34. Bc7 {[%emt 0:02:04]} Ra8 {[%emt 0:01:33]} 35. Rf1 {[%emt 0:03:54]} Ra6 {[%emt 0:02:14]} 36. Re1 {[%emt 0:00:52]} Kf7 {[%emt 0:00:46]} 37. h4 {[%emt 0:02:42]} Bc3 {[%emt 0:00:38]} 38. Re6 {[%emt 0:00:15]} Ba5 {[%emt 0:00:14]} 39. Ne5+ {[%emt 0:02:18]} Ke8 {[%emt 0:01:27]} 40. Nc6 {[%emt 0:03:49]} Bxc7 {[%emt 0:09:10]} 41. Rxe7+ {[%emt 0:00:07]} Kf8 {[%emt 0:00:06]} 42. Rxc7 {[%emt 0:00:04]} Na5 {[%emt 0:00:14]} 43. Nxa5 {[%emt 0:01:15]} Rxa5 {[%emt 0:00:09]} 44. Kf3 {[%emt 0:00:35]} Ra6 {[%emt 0:00:29]} 45. Rc6 {[%emt 0:00:38]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.19"]
[White "Muniz, Rafael"]
[Black "Nejanky, Maisa"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2194"]
[BlackElo "1948"]
[Annotator "ChessBase"]
[PlyCount "96"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:33]} Nf6 {[%emt 0:01:25]} 2. g3 {[%emt 0:00:56]} c5 {[%emt 0:01:11]} 3. Bg2 {[%emt 0:00:21]} Nc6 {[%emt 0:01:30]} 4. O-O {[%emt 0:00:29]} g6 {[%emt 0:07:39]} 5. c4 {[%emt 0:02:02]} Bg7 {[%emt 0:00:08]} 6. Nc3 {[%emt 0:01:04]} d6 {[%emt 0:03:16]} 7. a3 {[%emt 0:00:44]} O-O {[%emt 0:01:24]} 8. Rb1 {[%emt 0:01:40]} Bf5 {[%emt 0:05:03]} 9. d3 {[%emt 0:01:36]} Qd7 {[%emt 0:03:59]} 10. Re1 {[%emt 0:06:15]} Bh3 {[%emt 0:00:19]} 11. Bh1 {[%emt 0:00:52]} h6 {[%emt 0:03:04]} 12. b4 {[%emt 0:01:33]} Nh5 {[%emt 0:12:53]} 13. Bd2 {[%emt 0:08:05]} Rac8 {[%emt 0:03:00]} 14. bxc5 {[%emt 0:12:33]} dxc5 {[%emt 0:00:22]} 15. Rb5 {[%emt 0:02:06]} b6 {[%emt 0:00:53]} 16. a4 {[%emt 0:06:19]} Bg4 {[%emt 0:08:30]} 17. Rb1 {[%emt 0:04:29]} Nf6 {[%emt 0:06:51]} 18. Qc1 {[%emt 0:02:02]} Kh7 {[%emt 0:00:20]} 19. Nd5 {[%emt 0:07:12]} Nxd5 {[%emt 0:08:24]} 20. cxd5 {[%emt 0:00:09]} Nb4 {[%emt 0:00:43]} 21. Bxb4 {[%emt 0:04:45]} cxb4 {[%emt 0:00:19]} 22. Qf4 {[%emt 0:03:45]} Bxf3 {[%emt 0:15:39]} 23. Bxf3 {[%emt 0:01:11]} a5 {[%emt 0:01:21]} 24. g4 {[%emt 0:04:13]} Bf6 {[%emt 0:04:08]} 25. Kg2 {[%emt 0:00:51]} Qxa4 {[%emt 0:02:32]} 26. h4 {[%emt 0:00:47]} Qd7 {[%emt 0:04:20]} 27. Be4 {[%emt 0:02:19]} Qd6 {[%emt 0:02:09]} 28. Qe3 {[%emt 0:01:06]} Rc5 {[%emt 0:01:26]} 29. g5 {[%emt 0:05:03]} Bg7 {[%emt 0:00:09]} 30. h5 {[%emt 0:00:59]} Rxd5 {[%emt 0:01:44]} 31. hxg6+ {[%emt 0:01:11]} fxg6 {[%emt 0:00:12]} 32. Rh1 {[%emt 0:00:21]} Re5 {[%emt 0:01:01]} 33. Rh4 {[%emt 0:03:33]} Qc5 {[%emt 0:00:31]} 34. gxh6 {[%emt 0:02:51]} Bf6 {[%emt 0:00:15]} 35. Qf4 {[%emt 0:04:30]} Rg5+ {[%emt 0:00:38]} 36. Kf1 {[%emt 0:01:21]} b3 {[%emt 0:00:32]} 37. d4 {[%emt 0:01:00]} Qd6 {[%emt 0:00:32]} 38. Qxd6 {[%emt 0:00:57]} exd6 {[%emt 0:00:01]} 39. Rxb3 {[%emt 0:00:10]} b5 {[%emt 0:00:44]} 40. Rc3 {[%emt 0:01:47]} Bxd4 {[%emt 0:00:43]} 41. Bxg6+ {[%emt 0:00:11]} Rxg6 {[%emt 0:00:23]} 42. Rxd4 {[%emt 0:00:07]} Rxh6 {[%emt 0:00:40]} 43. Rc7+ {[%emt 0:01:01]} Kh8 {[%emt 0:00:31]} 44. Rb7 {[%emt 0:01:08]} b4 {[%emt 0:00:28]} 45. Rd5 {[%emt 0:00:55]} Ra8 {[%emt 0:00:15]} 46. Rbb5 {[%emt 0:02:52]} a4 {[%emt 0:00:26]} 47. Rxb4 {[%emt 0:01:30]} a3 {[%emt 0:00:10]} 48. Rdb5 {[%emt 0:02:08]} a2 {[%emt 0:00:30]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.20"]
[White "Lavandeira, Juan Bautista"]
[Black "Avedisian, Alexander"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1516"]
[BlackElo "1875"]
[Annotator "NA"]
[PlyCount "68"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. g3 {[%emt 0:00:56]} g6 {[%emt 0:00:11]} 3. Bg2 {[%emt 0:00:05]} Bg7 {[%emt 0:00:05]} 4. e4 {[%emt 0:00:23]} d6 {[%emt 0:00:06]} 5. Ne2 {[%emt 0:00:25]} O-O {[%emt 0:00:11]} 6. O-O {[%emt 0:00:21]} Nc6 {[%emt 0:00:17]} 7. h3 {[%emt 0:00:42]} Re8 {[%emt 0:01:57]} 8. Be3 {[%emt 0:00:40]} e5 {[%emt 0:00:38]} 9. Nbc3 {[%emt 0:03:51]} exd4 {[%emt 0:00:21]} 10. Nxd4 {[%emt 0:00:10]} Nh5 {[%emt 0:04:36]} 11. Kh2 {[%emt 0:10:20]} Ne5 {[%emt 0:08:43]} 12. Qe2 {[%emt 0:07:25]} c5 {[%emt 0:09:24] [#]} 13. Nb3 {[%emt 0:04:56]} (13. Nf5 $1 $16 {[%cal Rf5g7]}) 13... Be6 {[%emt 0:01:28]} 14. Rad1 {[%emt 0:06:46]} (14. Nd2 $11) 14... Bc4 {[%emt 0:03:24]} 15. Qe1 {[%emt 0:02:05]} Bxf1 {[%emt 0:00:41]} 16. Qxf1 {[%emt 0:00:04]} c4 {[%emt 0:15:16]} 17. Nd2 {[%emt 0:16:43]} b5 {[%emt 0:04:24]} 18. Nxb5 {[%emt 0:02:33]} Qb8 {[%emt 0:01:37]} 19. a4 {[%emt 0:04:45]} a6 {[%emt 0:00:24]} 20. Na3 $1 {[%emt 0:00:08]} Qxb2 {[%emt 0:01:03]} 21. Ndxc4 {[%emt 0:01:03]} Nxc4 {[%emt 0:01:27]} 22. Nxc4 {[%emt 0:00:10]} Qxc2 {[%emt 0:00:50]} 23. Nxd6 {[%emt 0:01:19]} Red8 {[%emt 0:00:53]} 24. Bb6 {[%emt 0:00:34]} Rd7 {[%emt 0:04:16]} 25. a5 {[%emt 0:10:15]} Be5 $1 {[%emt 0:05:41]} 26. Rc1 $15 {[%emt 0:01:42]} Qb3 {[%emt 0:09:20]} 27. Nc4 {[%emt 0:04:02]} Nxg3 {[%emt 0:06:43]} 28. fxg3 {[%emt 0:00:55]} Qxg3+ {[%emt 0:00:21]} 29. Kg1 {[%emt 0:00:15]} Qh2+ {[%emt 0:00:31]} 30. Kf2 {[%emt 0:00:08]} Qg3+ {[%emt 0:01:42]} 31. Kg1 {[%emt 0:01:41]} Qh2+ {[%emt 0:02:02]} 32. Kf2 {[%emt 0:01:08]} Qg3+ {[%emt 0:07:12]} 33. Ke2 {[%emt 0:04:27]} Qd3+ {[%emt 0:03:13]} 34. Kf2 {[%emt 0:05:12]} Qg3+ {[%emt 0:00:30]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.21"]
[White "Torales, Agustin"]
[Black "Brizzi, Milagros Tatiana"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "1682"]
[BlackElo "2063"]
[Annotator "NA"]
[PlyCount "183"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:17]} d5 {[%emt 0:04:26]} 2. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:11]} 3. c4 {[%emt 0:00:07]} c6 {[%emt 0:00:15]} 4. Nc3 {[%emt 0:00:26]} e6 {[%emt 0:00:20]} 5. e3 {[%emt 0:01:25]} Nbd7 {[%emt 0:00:10]} 6. Qc2 {[%emt 0:00:09]} b6 {[%emt 0:00:54]} 7. Be2 {[%emt 0:01:50]} Bb7 {[%emt 0:00:08]} 8. O-O {[%emt 0:00:17]} Be7 {[%emt 0:00:16]} 9. b3 {[%emt 0:03:21]} O-O {[%emt 0:02:34]} 10. Bb2 {[%emt 0:00:05]} Rc8 {[%emt 0:00:08]} 11. Rac1 {[%emt 0:00:30]} Qc7 {[%emt 0:01:10]} 12. Rfd1 {[%emt 0:01:54]} Rfd8 {[%emt 0:00:53]} 13. Qb1 {[%emt 0:07:04]} Qb8 {[%emt 0:00:59]} 14. cxd5 {[%emt 0:02:28]} cxd5 {[%emt 0:00:59]} 15. Bd3 {[%emt 0:01:14]} a6 {[%emt 0:01:35]} 16. h3 {[%emt 0:09:42]} b5 {[%emt 0:01:19]} 17. Ne2 {[%emt 0:01:20]} Bd6 {[%emt 0:03:38]} 18. Rxc8 {[%emt 0:09:48]} Rxc8 {[%emt 0:00:07]} 19. Rc1 {[%emt 0:00:05]} Ne4 {[%emt 0:08:55]} 20. Rxc8+ {[%emt 0:13:53]} Qxc8 {[%emt 0:00:19]} 21. Ne5 {[%emt 0:00:05]} f5 {[%emt 0:04:47]} 22. f3 {[%emt 0:04:46]} Nef6 {[%emt 0:00:44]} 23. Nf4 {[%emt 0:00:08]} Qe8 {[%emt 0:04:07]} 24. h4 {[%emt 0:05:10]} Nb6 {[%emt 0:05:22]} 25. Qe1 {[%emt 0:02:44]} Nfd7 {[%emt 0:05:58]} 26. Qa5 {[%emt 0:03:46]} Bc7 {[%emt 0:07:11]} 27. Qb4 {[%emt 0:00:17]} Nxe5 {[%emt 0:03:00]} 28. dxe5 {[%emt 0:00:09]} Nd7 {[%emt 0:00:04]} 29. a4 {[%emt 0:01:53]} Bxe5 {[%emt 0:02:24]} 30. Bxe5 {[%emt 0:03:35]} Nxe5 {[%emt 0:00:04]} 31. Be2 {[%emt 0:00:06]} Bc6 {[%emt 0:06:00] [#]} (31... Nc6 $11 {keeps the balance.} 32. Qd6 Kf7) 32. axb5 $1 {[%emt 0:00:41]} ({Reject} 32. Qd6 $6 Nf7 33. Qxe6 Qxe6 34. Nxe6 bxa4 35. bxa4 Bxa4 $11) 32... axb5 {[%emt 0:02:14]} 33. Qd6 $1 {[%emt 0:00:06]} Ng6 {[%emt 0:00:54]} 34. Nxe6 {[%emt 0:02:41]} (34. Qxe6+ $16 Qxe6 35. Nxe6) 34... Bd7 {[%emt 0:07:00]} 35. Nd4 {[%emt 0:00:34]} Qxe3+ {[%emt 0:02:04]} 36. Kf1 {[%emt 0:00:05]} Qxd4 {[%emt 0:04:41]} 37. Qxd7 {[%emt 0:00:07]} Qa1+ {[%emt 0:00:05]} 38. Kf2 {[%emt 0:00:15]} Qd4+ {[%emt 0:00:03]} 39. Kf1 {[%emt 0:00:09]} b4 {[%emt 0:01:56]} 40. h5 {[%emt 0:00:53]} Nf8 {[%emt 0:00:41]} 41. Qxf5 {[%emt 0:00:05]} Qa1+ {[%emt 0:01:19]} 42. Kf2 $11 {[%emt 0:00:09]} Qa7+ {[%emt 0:00:03]} 43. Kf1 {[%emt 0:01:01]} Qd7 {[%emt 0:00:50]} 44. Qf4 {[%emt 0:02:10]} Qb7 {[%emt 0:01:10]} 45. Qd6 {[%emt 0:01:03]} Nd7 {[%emt 0:02:18]} 46. Bd3 {[%emt 0:00:25]} Nf6 {[%emt 0:01:35]} 47. Bf5 {[%emt 0:00:58]} Qa8 {[%emt 0:05:07]} 48. Kg1 {[%emt 0:05:48]} Qe8 {[%emt 0:02:12]} 49. Be6+ {[%emt 0:02:21]} Kh8 {[%emt 0:00:09]} 50. Bxd5 {[%emt 0:01:05]} Qe1+ {[%emt 0:01:04]} 51. Kh2 {[%emt 0:00:10]} Qh4+ {[%emt 0:00:02]} 52. Kg1 {[%emt 0:02:15]} Qd4+ {[%emt 0:00:04]} 53. Kf1 {[%emt 0:00:04]} Qxd5 {[%emt 0:00:17]} 54. Qf8+ {[%emt 0:00:07]} Qg8 {[%emt 0:01:31]} 55. Qxb4 {[%emt 0:00:04]} Nxh5 {[%emt 0:01:33]} 56. Qc5 {[%emt 0:02:47]} Nf4 57. b4 {[%emt 0:01:17]} Qd8 {[%emt 0:02:53]} 58. Qc4 {[%emt 0:01:38]} Qd3+ {[%emt 0:00:46]} 59. Qxd3 {[%emt 0:00:10]} Nxd3 {[%emt 0:00:01]} 60. b5 {[%emt 0:00:14]} Nc5 {[%emt 0:00:07]} 61. b6 {[%emt 0:00:15]} Kg8 {[%emt 0:00:19]} 62. f4 {[%emt 0:00:26]} Kf7 {[%emt 0:00:11]} 63. g4 {[%emt 0:01:01]} Ke6 {[%emt 0:00:21]} 64. Ke2 {[%emt 0:00:35]} Kd5 {[%emt 0:00:17]} 65. Kf3 {[%emt 0:00:36]} Nb7 {[%emt 0:00:47]} 66. Ke3 {[%emt 0:00:32]} Nd6 {[%emt 0:00:36]} 67. Kd3 {[%emt 0:01:48]} h6 {[%emt 0:00:30]} 68. f5 {[%emt 0:01:36]} Nb7 {[%emt 0:02:08]} 69. Ke3 {[%emt 0:00:19]} Ke5 {[%emt 0:00:35]} 70. Kf3 {[%emt 0:00:08]} Nd6 {[%emt 0:00:14]} 71. Kg3 {[%emt 0:00:31]} h5 {[%emt 0:02:00]} 72. Kh4 {[%emt 0:01:10]} hxg4 {[%emt 0:00:40]} 73. Kxg4 {[%emt 0:00:05]} Kf6 {[%emt 0:00:45]} 74. Kf4 {[%emt 0:00:16]} Nb7 {[%emt 0:01:10]} 75. Kg4 {[%emt 0:00:07]} Nc5 {[%emt 0:00:55]} 76. Kf4 {[%emt 0:00:52]} Kf7 {[%emt 0:00:23]} 77. Kg5 {[%emt 0:00:41]} Nb7 {[%emt 0:00:49]} 78. Kg4 {[%emt 0:00:54]} Kf6 {[%emt 0:01:53]} 79. Kf4 {[%emt 0:00:18]} Nd8 {[%emt 0:00:58]} 80. Kg4 {[%emt 0:00:56]} Ke7 {[%emt 0:00:24]} 81. Kg5 {[%emt 0:00:11]} Kf7 {[%emt 0:00:05]} 82. Kg4 {[%emt 0:01:03]} Nb7 {[%emt 0:01:15]} 83. Kg5 {[%emt 0:00:25]} Nc5 {[%emt 0:00:20]} 84. Kf4 {[%emt 0:01:47]} Kg8 {[%emt 0:01:09]} 85. Kg5 {[%emt 0:00:24]} Kh7 {[%emt 0:00:25]} 86. Kh5 {[%emt 0:00:20]} Nb7 {[%emt 0:00:20]} 87. Kg5 {[%emt 0:00:03]} Nd6 {[%emt 0:00:10]} 88. b7 {[%emt 0:00:56]} Nxb7 {[%emt 0:00:20]} 89. f6 {[%emt 0:00:04]} g6 {[%emt 0:00:24]} 90. f7 {[%emt 0:00:03]} Nd8 {[%emt 0:00:09]} 91. f8=N+ {[%emt 0:00:07]} Kg7 {[%emt 0:00:08]} 92. Nxg6 {[%emt 0:00:04]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.22"]
[White "Pichuaga, Juan Pablo"]
[Black "Kulik, Nicolas"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2030"]
[BlackElo "1775"]
[Annotator "ChessBase"]
[PlyCount "101"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} e6 {[%emt 0:00:58]} 2. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:07]} 3. e5 {[%emt 0:00:05]} c5 {[%emt 0:00:03]} 4. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:05]} 5. Bd3 {[%emt 0:00:21]} cxd4 {[%emt 0:00:27]} 6. a3 {[%emt 0:00:19]} Qb6 {[%emt 0:01:37]} 7. b4 {[%emt 0:01:14]} a6 {[%emt 0:01:42]} 8. Bf4 {[%emt 0:01:22]} Nge7 {[%emt 0:01:36]} 9. Qe2 {[%emt 0:01:00]} Bd7 {[%emt 0:01:44]} 10. Nbd2 {[%emt 0:01:09]} Ng6 {[%emt 0:03:06]} 11. Bg3 {[%emt 0:01:27]} Rc8 {[%emt 0:01:52]} 12. O-O {[%emt 0:00:57]} Be7 {[%emt 0:03:03]} 13. h4 {[%emt 0:01:17]} f6 {[%emt 0:04:24]} 14. exf6 {[%emt 0:06:28]} gxf6 {[%emt 0:06:58]} 15. h5 {[%emt 0:03:06]} Nf8 {[%emt 0:00:52]} 16. Nh4 {[%emt 0:01:05]} e5 {[%emt 0:05:39]} 17. f3 {[%emt 0:45:14]} Rg8 {[%emt 0:06:38]} 18. Qf2 {[%emt 0:00:40]} Nd8 {[%emt 0:08:13]} 19. c4 {[%emt 0:04:03]} dxc4 {[%emt 0:01:50]} 20. Nxc4 {[%emt 0:01:26]} Qe6 {[%emt 0:00:46]} 21. Nd2 {[%emt 0:05:37]} Rc3 {[%emt 0:04:20]} 22. Bf5 {[%emt 0:07:19]} Qb6 {[%emt 0:03:28]} 23. Ne4 {[%emt 0:02:29]} Rc6 {[%emt 0:02:08]} 24. f4 {[%emt 0:02:31]} exf4 {[%emt 0:07:52]} 25. Bxf4 {[%emt 0:00:37]} Bxf5 {[%emt 0:02:12]} 26. Nxf5 {[%emt 0:00:10]} Re6 {[%emt 0:01:57]} 27. Rae1 {[%emt 0:01:30]} Nc6 {[%emt 0:05:24]} 28. Bd6 {[%emt 0:06:05]} Rg4 {[%emt 0:07:40]} 29. Bxe7 {[%emt 0:03:04]} Nxe7 {[%emt 0:01:53]} 30. Nxe7 {[%emt 0:02:00]} Rgxe4 {[%emt 0:01:08]} 31. Rxe4 {[%emt 0:00:50]} Rxe7 {[%emt 0:02:37]} 32. Qxd4 {[%emt 0:00:27]} Qxd4+ {[%emt 0:00:44]} 33. Rxd4 {[%emt 0:00:02]} Ne6 {[%emt 0:02:33]} 34. Rd6 {[%emt 0:00:19]} Kf7 {[%emt 0:00:41]} 35. g4 {[%emt 0:00:16]} h6 {[%emt 0:03:18]} 36. Kh2 {[%emt 0:00:44]} Rc7 {[%emt 0:00:41]} 37. Rf2 {[%emt 0:00:46]} Ke7 {[%emt 0:01:21]} 38. Rb6 {[%emt 0:00:13]} Kf7 {[%emt 0:00:27]} 39. Rd2 {[%emt 0:01:16]} Ng5 {[%emt 0:01:45]} 40. Rd8 {[%emt 0:00:36]} Rc2+ {[%emt 0:01:27]} 41. Kg3 {[%emt 0:00:44]} Rc3+ {[%emt 0:00:33]} 42. Kg2 {[%emt 0:00:11]} Rxa3 {[%emt 0:01:41]} 43. Rd7+ {[%emt 0:00:15]} Ke8 {[%emt 0:00:13]} 44. Rdxb7 {[%emt 0:00:19]} Ra2+ {[%emt 0:00:32]} 45. Kf1 {[%emt 0:00:11]} Nf3 {[%emt 0:01:06]} 46. Ra7 {[%emt 0:00:45]} Nh2+ {[%emt 0:01:01]} 47. Ke1 {[%emt 0:00:18]} Ra1+ {[%emt 0:00:28]} 48. Ke2 {[%emt 0:00:24]} Ra2+ {[%emt 0:00:40]} 49. Kd3 {[%emt 0:00:46]} Ra3+ {[%emt 0:00:19]} 50. Kc4 {[%emt 0:00:14]} Nxg4 {[%emt 0:00:19]} 51. Rb8# {[%emt 0:00:09]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.23"]
[White "Cordero, Daniela"]
[Black "Lavandeira, Juan Facundo"]
[Result "1-0"]
[ECO "E68"]
[WhiteElo "2011"]
[BlackElo "1520"]
[Annotator "ChessBase"]
[PlyCount "86"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:25]} 2. Nf3 {[%emt 0:00:10]} g6 {[%emt 0:00:08]} 3. c4 {[%emt 0:00:13]} Bg7 {[%emt 0:00:40]} 4. g3 {[%emt 0:00:27]} O-O {[%emt 0:00:41]} 5. Bg2 {[%emt 0:00:05]} d6 {[%emt 0:00:04]} 6. O-O {[%emt 0:00:07]} Nbd7 {[%emt 0:00:05]} 7. Nc3 {[%emt 0:00:10]} e5 {[%emt 0:01:55]} 8. e4 {[%emt 0:00:09]} exd4 {[%emt 0:01:05]} 9. Nxd4 {[%emt 0:00:07]} Re8 {[%emt 0:00:05]} 10. Re1 {[%emt 0:00:39]} Nc5 {[%emt 0:00:34]} 11. h3 {[%emt 0:00:33]} Bd7 {[%emt 0:01:07]} 12. Rb1 {[%emt 0:04:02]} Qc8 {[%emt 0:05:04]} 13. Kh2 {[%emt 0:00:58]} Ne6 {[%emt 0:00:16]} 14. Be3 {[%emt 0:03:20]} a6 {[%emt 0:06:07]} 15. b4 {[%emt 0:08:02]} Rb8 {[%emt 0:11:37]} 16. Nd5 {[%emt 0:08:56]} b5 {[%emt 0:14:15]} 17. Nxe6 {[%emt 0:03:36]} Bxe6 {[%emt 0:05:08]} 18. c5 {[%emt 0:04:39]} Nxd5 {[%emt 0:10:15]} 19. exd5 {[%emt 0:00:07]} Bf5 {[%emt 0:00:05]} 20. Rc1 {[%emt 0:06:35]} Qd8 {[%emt 0:22:01]} 21. g4 {[%emt 0:14:30]} Bc8 {[%emt 0:01:28]} 22. Qd2 {[%emt 0:00:57]} h5 {[%emt 0:04:29]} 23. gxh5 {[%emt 0:03:13]} gxh5 {[%emt 0:00:02]} 24. Bg5 {[%emt 0:00:14]} f6 {[%emt 0:00:12]} 25. Bf4 {[%emt 0:04:02]} Rxe1 {[%emt 0:03:37]} 26. Rxe1 {[%emt 0:00:17]} Bf5 {[%emt 0:00:23]} 27. Qe2 {[%emt 0:02:47]} Bg6 {[%emt 0:00:44]} 28. cxd6 {[%emt 0:08:06]} cxd6 {[%emt 0:00:10]} 29. Qe6+ {[%emt 0:00:22]} Bf7 {[%emt 0:00:17]} 30. Qxd6 {[%emt 0:00:22]} Qxd6 {[%emt 0:00:05]} 31. Bxd6 {[%emt 0:00:05]} Rd8 {[%emt 0:00:21]} 32. Be7 {[%emt 0:03:18]} Rxd5 {[%emt 0:06:14]} 33. Bxd5 {[%emt 0:00:10]} Bxd5 {[%emt 0:00:01]} 34. a3 {[%emt 0:01:58]} Kf7 {[%emt 0:01:30]} 35. Bc5 {[%emt 0:03:11]} Bh6 {[%emt 0:02:35]} 36. Re7+ {[%emt 0:04:07]} Kg6 {[%emt 0:00:04]} 37. Be3 {[%emt 0:05:26]} Bxe3 {[%emt 0:01:45]} 38. fxe3 {[%emt 0:00:53]} f5 {[%emt 0:01:43]} 39. Kg3 {[%emt 0:02:08]} Kf6 {[%emt 0:00:05]} 40. Re8 {[%emt 0:00:32]} Bf7 {[%emt 0:00:52]} 41. Rf8 {[%emt 0:00:42]} Ke7 {[%emt 0:00:35]} 42. Ra8 {[%emt 0:00:40]} Kd6 {[%emt 0:00:11]} 43. Kf4 {[%emt 0:00:47]} Kd5 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.24"]
[White "Durante, Aurelio"]
[Black "Zaruski, Julio"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1944"]
[BlackElo "1764"]
[Annotator "ChessBase"]
[PlyCount "67"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:41]} 2. d3 {[%emt 0:00:48]} d5 {[%emt 0:02:09]} 3. Nd2 {[%emt 0:00:12]} e6 {[%emt 0:01:05]} 4. Ngf3 {[%emt 0:00:18]} Nc6 {[%emt 0:01:58]} 5. g3 {[%emt 0:00:14]} Nf6 {[%emt 0:04:34]} 6. Bg2 {[%emt 0:00:28]} Be7 {[%emt 0:00:15]} 7. O-O {[%emt 0:00:10]} b5 {[%emt 0:00:10]} 8. Re1 {[%emt 0:00:34]} O-O {[%emt 0:00:09]} 9. e5 {[%emt 0:00:24]} Nd7 {[%emt 0:00:11]} 10. Nf1 {[%emt 0:00:19]} Bb7 {[%emt 0:00:57]} 11. h4 {[%emt 0:00:19]} a5 {[%emt 0:05:57]} 12. N1h2 {[%emt 0:01:33]} a4 {[%emt 0:00:41]} 13. Ng4 {[%emt 0:00:32]} f5 {[%emt 0:00:23]} 14. exf6 {[%emt 0:00:31]} Nxf6 {[%emt 0:00:08]} 15. Nxf6+ {[%emt 0:00:34]} Bxf6 {[%emt 0:00:31]} 16. Rxe6 {[%emt 0:01:24]} a3 {[%emt 0:00:13]} 17. c3 {[%emt 0:00:37]} b4 {[%emt 0:00:30]} 18. Qc2 {[%emt 0:00:36]} Qd7 {[%emt 0:02:39]} 19. Re1 {[%emt 0:01:46]} axb2 {[%emt 0:00:56]} 20. Bxb2 {[%emt 0:00:20]} bxc3 {[%emt 0:05:53]} 21. Bxc3 {[%emt 0:00:34]} Nb4 {[%emt 0:03:37]} 22. Qd2 {[%emt 0:06:21]} Bxc3 {[%emt 0:06:24]} 23. Qxc3 {[%emt 0:00:46]} Rxf3 {[%emt 0:03:28]} 24. Bxf3 {[%emt 0:00:32]} d4 {[%emt 0:00:37]} 25. Qc4+ {[%emt 0:03:10]} Kh8 {[%emt 0:00:26]} 26. Bxb7 {[%emt 0:00:23]} Qxb7 {[%emt 0:00:16]} 27. a3 {[%emt 0:03:52]} Na6 {[%emt 0:02:02]} 28. Rab1 {[%emt 0:01:47]} Qc8 {[%emt 0:03:34]} 29. Qd5 {[%emt 0:01:10]} h6 {[%emt 0:00:30]} 30. Re7 {[%emt 0:00:24]} Rb8 {[%emt 0:00:19]} 31. Rbe1 {[%emt 0:01:15]} Qg4 {[%emt 0:00:40]} 32. Re8+ {[%emt 0:01:00]} Rxe8 {[%emt 0:00:25]} 33. Rxe8+ {[%emt 0:00:08]} Kh7 {[%emt 0:00:09]} 34. h5 {[%emt 0:00:39]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.25"]
[White "Moccero, Eduardo"]
[Black "Boabaid, Jorge Alberto Duarde"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1919"]
[BlackElo "1756"]
[Annotator "ChessBase"]
[PlyCount "63"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:05]} g6 {[%emt 0:00:21]} 3. c4 {[%emt 0:00:08]} Bg7 {[%emt 0:00:06]} 4. Nc3 {[%emt 0:00:05]} d6 {[%emt 0:00:21]} 5. Bf4 {[%emt 0:00:07]} O-O {[%emt 0:00:21]} 6. h3 {[%emt 0:00:07]} Nbd7 {[%emt 0:00:08]} 7. e3 {[%emt 0:00:16]} Re8 {[%emt 0:00:34]} 8. Be2 {[%emt 0:00:21]} b6 {[%emt 0:01:35]} 9. O-O {[%emt 0:00:54]} Bb7 {[%emt 0:00:41]} 10. Qc2 {[%emt 0:02:14]} e5 {[%emt 0:00:54]} 11. dxe5 {[%emt 0:00:30]} dxe5 {[%emt 0:00:09]} 12. Bh2 {[%emt 0:00:11]} Qe7 {[%emt 0:00:46]} 13. Nb5 {[%emt 0:04:38]} Rec8 {[%emt 0:00:15]} 14. Rfd1 {[%emt 0:01:45]} a6 {[%emt 0:00:45]} 15. Nc3 {[%emt 0:01:44]} c6 {[%emt 0:02:56]} 16. a3 {[%emt 0:04:12]} b5 {[%emt 0:01:50]} 17. b3 {[%emt 0:02:59]} Re8 {[%emt 0:03:10]} 18. Ra2 {[%emt 0:04:26]} b4 {[%emt 0:02:52]} 19. axb4 {[%emt 0:03:13]} Qxb4 {[%emt 0:00:17]} 20. Ra4 {[%emt 0:02:44]} Qe7 {[%emt 0:01:58]} 21. Ra2 {[%emt 0:01:17]} h5 {[%emt 0:03:52]} 22. b4 {[%emt 0:02:48]} Rad8 {[%emt 0:07:02]} 23. c5 {[%emt 0:02:07]} Rb8 {[%emt 0:06:33]} 24. Rb1 {[%emt 0:07:10]} Ra8 {[%emt 0:04:45]} 25. Bc4 {[%emt 0:02:07]} Nd5 {[%emt 0:01:39]} 26. Ne4 {[%emt 0:01:06]} Kh8 {[%emt 0:06:29]} 27. Nd6 {[%emt 0:01:13]} Reb8 {[%emt 0:05:06]} 28. e4 {[%emt 0:02:59]} Nxb4 {[%emt 0:07:48]} 29. Rxb4 {[%emt 0:01:21]} Nxc5 {[%emt 0:00:12]} 30. Nxf7+ {[%emt 0:00:38]} Kg8 {[%emt 0:00:53]} 31. N7xe5+ {[%emt 0:01:26]} Ne6 {[%emt 0:00:09]} 32. Nxc6 {[%emt 0:03:02]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.26"]
[White "Urrestarazu, Diego"]
[Black "Manteiga, Franco"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "1833"]
[BlackElo "1915"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:09]} 2. Nc3 {[%emt 0:00:23]} e6 {[%emt 0:00:05]} 3. g3 {[%emt 0:01:42]} d5 {[%emt 0:00:04]} 4. cxd5 {[%emt 0:00:39]} exd5 {[%emt 0:00:07]} 5. d4 {[%emt 0:00:56]} c6 {[%emt 0:01:00]} 6. Bg2 {[%emt 0:00:30]} Bf5 {[%emt 0:01:15]} 7. Nf3 {[%emt 0:01:26]} Nbd7 {[%emt 0:01:45]} 8. a3 {[%emt 0:04:15]} h6 {[%emt 0:05:15]} 9. O-O {[%emt 0:02:36]} Bd6 {[%emt 0:01:01]} 10. Nd2 {[%emt 0:02:33]} O-O {[%emt 0:01:30]} 11. e4 {[%emt 0:01:16]} dxe4 {[%emt 0:00:21]} 12. Ndxe4 {[%emt 0:00:51]} Nb6 {[%emt 0:30:35]} 13. Qf3 {[%emt 0:16:08]} Bxe4 {[%emt 0:03:16]} 14. Nxe4 {[%emt 0:00:41]} Nxe4 {[%emt 0:01:00]} 15. Qxe4 {[%emt 0:00:06]} Qd7 {[%emt 0:01:09]} 16. Qd3 {[%emt 0:10:36]} Be5 {[%emt 0:08:43]} 17. Rd1 {[%emt 0:08:05]} Rfd8 {[%emt 0:02:45]} 18. Be3 {[%emt 0:01:17]} Bf6 {[%emt 0:08:15]} 19. Rac1 {[%emt 0:06:32]} Nd5 {[%emt 0:00:57]} 20. Bxd5 {[%emt 0:03:27]} Qxd5 {[%emt 0:00:41]} 21. Qc4 {[%emt 0:02:05]} Qxc4 {[%emt 0:00:38]} 22. Rxc4 {[%emt 0:00:05]} Rd5 {[%emt 0:00:30]} 23. b4 {[%emt 0:07:32]} a5 {[%emt 0:04:05]} (23... Be7 $15 {is more appropriate.}) 24. Rc5 $15 {[%emt 0:02:43]} axb4 {[%emt 0:04:15]} 25. Rxd5 {[%emt 0:02:08]} cxd5 {[%emt 0:00:04]} 26. axb4 {[%emt 0:00:06]} Ra4 {[%emt 0:00:26]} 27. Rb1 {[%emt 0:00:40]} Be7 {[%emt 0:01:41]} 28. Bd2 {[%emt 0:03:04]} Ra2 {[%emt 0:00:32]} 29. Be3 {[%emt 0:01:34]} Ra4 {[%emt 0:01:41]} 30. Bd2 {[%emt 0:00:07]} Ra2 {[%emt 0:01:14]} 31. Be3 {[%emt 0:00:09]} Rc2 {[%emt 0:00:02]} 32. b5 {[%emt 0:01:28]} Rc4 {[%emt 0:00:15]} 33. Rc1 {[%emt 0:03:40]} Rxc1+ {[%emt 0:01:38]} 34. Bxc1 {[%emt 0:00:04]} Kf8 {[%emt 0:00:08]} 35. Kf1 {[%emt 0:00:17]} Ke8 {[%emt 0:00:06]} 36. Bd2 {[%emt 0:01:24]} Bf6 {[%emt 0:02:34]} 37. Bc3 {[%emt 0:00:39]} Kd7 {[%emt 0:00:49]} 38. Ke2 {[%emt 0:00:59]} Kc7 {[%emt 0:01:19]} 39. Ba5+ {[%emt 0:00:18]} Kd6 {[%emt 0:00:05]} 40. Bb6 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.27"]
[White "Popov, Mark"]
[Black "Escofet, Jaime"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1758"]
[BlackElo "1981"]
[Annotator "NA"]
[PlyCount "54"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 e6 2. b3 d5 3. Bb2 Nf6 4. e5 Nfd7 5. Qh5 g6 6. Qf3 Bg7 7. d4 c5 8. c3 Nc6 9. Bb5 cxd4 10. Bxc6 bxc6 11. cxd4 c5 12. Qf4 Ba6 13. Nf3 Rc8 14. dxc5 Rxc5 15. Ng5 O-O 16. Nd2 Rc2 17. Ba3 Nxe5 18. Qh4 h6 19. Bxf8 hxg5 20. Bxg7 Nd3+ 21. Kd1 Rxd2+ 22. Kxd2 gxh4 23. Bd4 e5 24. Bxa7 Qa5+ 25. Ke3 d4+ 26. Bxd4 exd4+ 27. Kxd4 Qe5# 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.28"]
[White "Salguero, Rafael"]
[Black "Davila Texeira, Mario"]
[Result "0-1"]
[ECO "E43"]
[WhiteElo "1948"]
[BlackElo "1793"]
[Annotator "NA"]
[PlyCount "12"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.29"]
[White "Rodriguez Farias, Eduardo"]
[Black "Elena, Eduardo"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1931"]
[BlackElo "1712"]
[Annotator "NA"]
[PlyCount "83"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 2. Nf3 Nc6 3. c3 e5 4. Bb5 a6 5. Ba4 b5 6. Bc2 Be7 7. O-O Bf6 8. d4 d6 9. d5 Nce7 10. h3 Ng6 11. a4 Bd7 12. Na3 N8e7 13. Qe2 Qb6 14. axb5 axb5 15. Nc4 bxc4 16. Rxa8+ Nc8 17. Ba4 Bxa4 18. Rxc8+ Bd8 19. Qxc4 Bb3 20. Qe2 O-O 21. Rc6 Qb8 22. Qa6 Bc7 23. Nd2 Bc2 24. Qc4 Nf4 25. b4 Bd3 26. Qa2 Ne2+ 27. Kh1 Nxc3 28. Qb3 cxb4 29. f3 Bxf1 30. Nxf1 f5 31. Qc4 fxe4 32. Rxc7 exf3 33. gxf3 Nb5 34. Re7 Nd4 35. Qc7 Qxc7 36. Rxc7 Rxf3 37. Ne3 Rf2 38. Rd7 Nf3 39. Ng4 Rc2 40. Bh6 gxh6 41. Nf6+ Kf8 42. Nxh7+ 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.30"]
[White "Pinero, Ismael"]
[Black "Parma, Pamela"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1906"]
[BlackElo "1761"]
[Annotator "ChessBase"]
[PlyCount "109"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 {[%emt 0:15:50]} 2. Nf3 {[%emt 0:00:36]} d6 {[%emt 0:00:22]} 3. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:13]} 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:03]} g6 {[%emt 0:00:22]} 6. Be3 {[%emt 0:00:09]} Bg7 {[%emt 0:00:12]} 7. f3 {[%emt 0:00:05]} O-O {[%emt 0:00:28]} 8. Qd2 {[%emt 0:00:01]} Nc6 {[%emt 0:00:36]} 9. O-O-O {[%emt 0:00:26]} Nxd4 {[%emt 0:01:12]} 10. Bxd4 {[%emt 0:00:05]} Be6 {[%emt 0:00:12]} 11. Kb1 {[%emt 0:00:14]} Qc7 {[%emt 0:00:26]} 12. g4 {[%emt 0:00:36]} Rfc8 {[%emt 0:02:14]} 13. h4 {[%emt 0:01:43]} Qa5 {[%emt 0:00:47]} 14. Nd5 {[%emt 0:06:24]} Qxd2 {[%emt 0:01:39]} 15. Nxf6+ {[%emt 0:00:26]} Bxf6 {[%emt 0:00:53]} 16. Rxd2 {[%emt 0:00:02]} Bxd4 {[%emt 0:05:13]} 17. Rxd4 {[%emt 0:00:02]} Kg7 {[%emt 0:00:06]} 18. g5 {[%emt 0:03:37]} Rc5 {[%emt 0:06:16]} 19. b3 {[%emt 0:05:17]} Rac8 {[%emt 0:08:21]} 20. Bd3 {[%emt 0:00:19]} b5 {[%emt 0:02:49]} 21. a4 {[%emt 0:06:40]} bxa4 {[%emt 0:03:02]} 22. Rxa4 {[%emt 0:01:58]} a5 {[%emt 0:00:31]} 23. Kb2 {[%emt 0:04:21]} Bd7 {[%emt 0:10:59]} 24. Rc4 {[%emt 0:01:09]} d5 {[%emt 0:02:39]} 25. exd5 {[%emt 0:06:49]} Rxd5 {[%emt 0:00:11]} 26. Kc3 {[%emt 0:00:15]} e5 {[%emt 0:02:23]} 27. Re1 {[%emt 0:02:48]} f6 {[%emt 0:02:56]} 28. gxf6+ {[%emt 0:00:45]} Kxf6 {[%emt 0:00:00]} 29. Ree4 {[%emt 0:05:41]} Rdc5 {[%emt 0:03:57]} 30. f4 {[%emt 0:01:05]} Bf5 {[%emt 0:15:52]} 31. fxe5+ {[%emt 0:00:16]} Rxe5 {[%emt 0:00:06]} 32. Rf4 {[%emt 0:06:38]} Rcc5 {[%emt 0:01:37]} 33. Rxc5 {[%emt 0:04:15]} Rxc5+ {[%emt 0:00:01]} 34. Kd4 {[%emt 0:00:18]} Re5 {[%emt 0:00:13]} 35. Bxf5 {[%emt 0:07:18]} Rxf5 {[%emt 0:02:39]} 36. Rxf5+ {[%emt 0:00:30]} Kxf5 {[%emt 0:05:36]} 37. c4 {[%emt 0:00:04]} Ke6 {[%emt 0:00:15]} 38. Kc5 {[%emt 0:02:11]} h6 {[%emt 0:01:05]} 39. Kc6 {[%emt 0:04:41]} g5 {[%emt 0:01:07]} 40. hxg5 hxg5 41. c5 {[%emt 0:01:19]} g4 {[%emt 0:02:35]} 42. Kb7 {[%emt 0:00:03]} g3 {[%emt 0:02:03]} 43. c6 {[%emt 0:00:12]} g2 {[%emt 0:02:45]} 44. c7 {[%emt 0:00:08]} g1=Q {[%emt 0:00:35]} 45. c8=Q+ {[%emt 0:00:06]} Kd5 {[%emt 0:00:17]} 46. Qc6+ {[%emt 0:00:58]} Ke5 {[%emt 0:00:04]} 47. Qb5+ {[%emt 0:02:11]} Kd6 {[%emt 0:00:49]} 48. Qb6+ {[%emt 0:00:36]} Qxb6+ {[%emt 0:00:24]} 49. Kxb6 {[%emt 0:00:14]} Kd5 {[%emt 0:00:43]} 50. Kxa5 {[%emt 0:00:47]} Kc5 {[%emt 0:00:01]} 51. b4+ {[%emt 0:00:26]} Kc6 {[%emt 0:00:03]} 52. Ka6 {[%emt 0:00:27]} Kc7 {[%emt 0:00:04]} 53. b5 {[%emt 0:00:50]} Kb8 {[%emt 0:00:28]} 54. Kb6 {[%emt 0:00:39]} Ka8 {[%emt 0:00:05]} 55. Kc7 {[%emt 0:00:14]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.31"]
[White "Palacio, Enzo"]
[Black "Perez Selios, Luis"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1896"]
[BlackElo "1429"]
[Annotator "NA"]
[PlyCount "133"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:14]} 2. Nf3 {[%emt 0:00:02]} e6 {[%emt 0:00:15]} 3. d4 {[%emt 0:00:02]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:03]} a6 {[%emt 0:00:06]} 5. Bd3 {[%emt 0:00:02]} Nc6 {[%emt 0:00:31]} 6. Be3 {[%emt 0:02:14]} Qc7 {[%emt 0:01:45]} 7. Qe2 {[%emt 0:01:28]} Nf6 {[%emt 0:00:52]} 8. O-O {[%emt 0:00:16]} Bc5 {[%emt 0:00:37]} 9. Nxe6 {[%emt 0:01:34]} dxe6 {[%emt 0:00:21]} 10. Bxc5 {[%emt 0:00:07]} Ne5 11. Bd4 Nxd3 {[%emt 0:03:37]} 12. Qxd3 {[%emt 0:01:55]} e5 {[%emt 0:00:11]} 13. Be3 {[%emt 0:01:38]} Be6 {[%emt 0:01:21]} 14. Nd2 {[%emt 0:03:27]} O-O {[%emt 0:01:25]} 15. c4 {[%emt 0:06:47]} Rfd8 {[%emt 0:04:26]} 16. Qc2 {[%emt 0:01:48]} Ng4 {[%emt 0:01:31]} 17. Rfe1 {[%emt 0:05:53]} Nxe3 {[%emt 0:00:31]} 18. Rxe3 {[%emt 0:00:02]} Rd4 {[%emt 0:00:45]} 19. b3 {[%emt 0:05:37]} Rad8 {[%emt 0:03:23]} 20. Nf3 {[%emt 0:03:04]} R4d7 {[%emt 0:00:35]} 21. h3 {[%emt 0:04:11]} b5 {[%emt 0:04:15]} 22. Rc1 {[%emt 0:00:44]} bxc4 23. bxc4 {[%emt 0:01:10]} Qc5 {[%emt 0:02:14]} 24. Qa4 {[%emt 0:06:22]} Rd6 {[%emt 0:01:39]} 25. a3 {[%emt 0:01:51]} f6 {[%emt 0:01:08]} 26. Qb4 {[%emt 0:02:30]} Qxb4 {[%emt 0:00:33]} 27. axb4 {[%emt 0:00:04]} Rd1+ {[%emt 0:00:05]} 28. Re1 {[%emt 0:00:49]} Rxe1+ {[%emt 0:00:20]} 29. Nxe1 {[%emt 0:00:08]} Rd4 {[%emt 0:00:20]} 30. c5 {[%emt 0:04:31]} (30. b5 $11 axb5 31. cxb5) 30... Rxb4 {[%emt 0:02:13]} 31. f3 {[%emt 0:01:08]} Rb8 {[%emt 0:00:13]} 32. Nd3 {[%emt 0:01:50]} a5 {[%emt 0:02:44]} 33. c6 {[%emt 0:04:28]} Kf8 {[%emt 0:00:30]} 34. Nc5 {[%emt 0:05:43]} Bc8 {[%emt 0:00:13]} 35. Nb7 {[%emt 0:08:07]} Bxb7 {[%emt 0:00:37]} 36. Rb1 {[%emt 0:00:58] Pin} Rc8 {[%emt 0:01:22]} 37. cxb7 {[%emt 0:00:04]} Rb8 {[%emt 0:00:05]} 38. Kf2 {[%emt 0:00:34]} Ke7 {[%emt 0:00:09]} 39. Kg3 {[%emt 0:04:07]} Kd6 {[%emt 0:00:18]} 40. Rb5 {[%emt 0:00:50]} a4 {[%emt 0:00:39]} 41. Rb6+ {[%emt 0:00:23]} Kc5 {[%emt 0:00:41]} 42. Rb1 {[%emt 0:02:36]} a3 {[%emt 0:00:10]} 43. Rb3 {[%emt 0:03:43]} a2 {[%emt 0:03:52]} 44. Ra3 {[%emt 0:00:01]} Rxb7 {[%emt 0:00:05]} 45. Rxa2 {[%emt 0:00:03]} Kd4 {[%emt 0:00:18]} 46. Ra8 {[%emt 0:00:18]} Ke3 {[%emt 0:00:13]} 47. h4 {[%emt 0:00:40]} h6 {[%emt 0:00:15]} 48. h5 {[%emt 0:00:20]} Rc7 {[%emt 0:00:14]} 49. Kg4 {[%emt 0:02:20]} Rc2 {[%emt 0:02:24]} 50. g3 {[%emt 0:00:53]} Rc4 $2 {[%emt 0:00:46]} (50... Rc3 $11) 51. Ra7 $18 {[%emt 0:02:11]} f5+ {[%emt 0:00:24]} 52. Kxf5 {[%emt 0:00:06]} Kxf3 {[%emt 0:00:14]} 53. Ra3+ {[%emt 0:00:03]} Kg2 {[%emt 0:00:46]} 54. g4 {[%emt 0:00:34]} Rc8 {[%emt 0:03:45]} 55. Kxe5 {[%emt 0:00:18]} Re8+ {[%emt 0:00:00]} 56. Kf5 {[%emt 0:04:10]} Rf8+ {[%emt 0:00:06]} 57. Kg6 {[%emt 0:10:26]} Re8 58. Ra7 Kh3 {[%emt 0:02:00]} 59. Rxg7 {[%emt 0:00:37]} Rxe4 {[%emt 0:00:11]} 60. Kxh6 {[%emt 0:00:19]} Kh4 {[%emt 0:00:47]} 61. Kh7 {[%emt 0:01:04]} Re8 {[%emt 0:02:40]} 62. h6 {[%emt 0:00:07]} Ra8 {[%emt 0:00:40]} 63. Rg8 {[%emt 0:01:29]} Ra7+ {[%emt 0:00:20]} 64. Kh8 {[%emt 0:00:07]} Rb7 {[%emt 0:00:39]} 65. h7 {[%emt 0:00:05]} Ra7 {[%emt 0:00:34]} 66. Rg6 {[%emt 0:00:09]} Ra8+ {[%emt 0:00:15]} 67. Kg7 {[%emt 0:00:19]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.32"]
[White "Quevedo, Andreina"]
[Black "Amaral, Francisco"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "1867"]
[BlackElo "1672"]
[Annotator "NA"]
[PlyCount "51"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:37]} c5 {[%emt 0:00:20]} 2. Nf3 {[%emt 0:00:16]} e6 {[%emt 0:00:27]} 3. d4 {[%emt 0:01:03]} cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:00:04]} a6 {[%emt 0:00:06]} 5. c4 {[%emt 0:01:01]} Nf6 {[%emt 0:00:17]} 6. Nc3 {[%emt 0:00:09]} Bb4 {[%emt 0:00:17]} 7. Nc2 {[%emt 0:03:35]} Bxc3+ {[%emt 0:03:42]} 8. bxc3 {[%emt 0:00:05]} Nxe4 {[%emt 0:09:13]} 9. Qg4 {[%emt 0:01:28]} f5 {[%emt 0:01:38]} 10. Qxg7 {[%emt 0:00:53]} Qf6 {[%emt 0:00:13]} 11. Qxf6 {[%emt 0:03:08]} Nxf6 {[%emt 0:00:17]} 12. Ba3 {[%emt 0:07:19]} Nc6 {[%emt 0:01:00]} 13. Rb1 {[%emt 0:02:30]} d5 {[%emt 0:08:31]} 14. cxd5 {[%emt 0:08:03]} Nxd5 {[%emt 0:00:09]} 15. c4 {[%emt 0:02:30]} Nf6 {[%emt 0:00:45]} 16. Be2 {[%emt 0:06:19]} Kf7 {[%emt 0:01:31]} 17. O-O {[%emt 0:03:09]} Rd8 $16 {[%emt 0:07:46]} 18. Rfd1 {[%emt 0:04:26]} Rxd1+ {[%emt 0:04:10]} 19. Rxd1 {[%emt 0:01:35]} e5 {[%emt 0:14:24]} 20. Bb2 {[%emt 0:18:16]} Be6 {[%emt 0:08:15]} 21. Ne3 {[%emt 0:04:25]} e4 {[%emt 0:09:03]} 22. a3 {[%emt 0:17:31]} Rd8 {[%emt 0:01:49]} 23. Rxd8 {[%emt 0:00:04]} Nxd8 {[%emt 0:00:05]} 24. Kf1 {[%emt 0:04:35]} Nc6 {[%emt 0:01:03]} 25. g3 {[%emt 0:01:01]} Ng4 {[%emt 0:05:04]} 26. f4 {[%emt 0:01:46]} 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.33"]
[White "Barreto Filho, Carlos Alberto"]
[Black "Pena Canapa, Alfredo"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2293"]
[BlackElo "1841"]
[Annotator "NA"]
[PlyCount "70"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:08]} d5 {[%emt 0:00:08]} 2. Nc3 {[%emt 0:00:07]} dxe4 {[%emt 0:00:26]} 3. Nxe4 {[%emt 0:00:11]} Nd7 {[%emt 0:00:29]} 4. Nf3 {[%emt 0:00:19]} Ngf6 {[%emt 0:00:07]} 5. Ng3 {[%emt 0:02:34]} e6 {[%emt 0:00:55]} 6. Be2 {[%emt 0:01:49]} b6 {[%emt 0:02:09]} 7. b3 {[%emt 0:01:02]} Bb7 {[%emt 0:01:44]} 8. Bb2 Bd6 9. O-O {[%emt 0:02:01]} O-O {[%emt 0:00:39]} 10. Re1 {[%emt 0:00:40]} c5 {[%emt 0:04:21]} 11. Bf1 {[%emt 0:11:01]} Rc8 12. Ne5 {[%emt 0:00:31]} Nxe5 {[%emt 0:04:50]} 13. Bxe5 Bxe5 {[%emt 0:00:14]} 14. Rxe5 {[%emt 0:00:39]} Qd4 {[%emt 0:01:58]} 15. Re2 {[%emt 0:04:18]} Rfd8 16. c3 {[%emt 0:03:44]} Qd5 {[%emt 0:03:41]} 17. Qe1 {[%emt 0:02:53]} Qc6 {[%emt 0:08:12]} 18. d3 {[%emt 0:02:04]} Rxd3 {[%emt 0:04:07]} 19. Rd1 {[%emt 0:03:05]} Rxd1 {[%emt 0:01:16]} 20. Qxd1 {[%emt 0:00:08]} h6 {[%emt 0:01:11]} 21. Rd2 Qc7 {[%emt 0:04:22]} 22. Bd3 {[%emt 0:03:25]} g6 {[%emt 0:03:15]} 23. Bc2 {[%emt 0:02:07]} Qc6 {[%emt 0:01:21]} 24. f3 {[%emt 0:00:41]} Kg7 {[%emt 0:02:18]} 25. Ne4 Nd5 {[%emt 0:06:28]} 26. Qe1 {[%emt 0:04:49]} f5 27. c4 {[%emt 0:05:07]} fxe4 {[%emt 0:02:31]} 28. Bxe4 {[%emt 0:00:34]} Qd6 {[%emt 0:02:00]} 29. Qa1+ {[%emt 0:00:52]} Kf7 30. Qb1 {[%emt 0:03:08]} Rg8 {[%emt 0:01:46]} 31. Qd3 {[%emt 0:01:02]} Qe5 {[%emt 0:07:24]} 32. cxd5 {[%emt 0:00:19]} exd5 {[%emt 0:00:00]} 33. Bxd5+ {[%emt 0:00:37]} Bxd5 34. Qxd5+ {[%emt 0:00:26]} Qxd5 {[%emt 0:00:16]} 35. Rxd5 {[%emt 0:00:08]} Ke6 {[%emt 0:01:12]} 0-1

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.34"]
[White "Visillac, Alejandro"]
[Black "Balseca Moreno, Diego"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1814"]
[BlackElo "2269"]
[Annotator "ChessBase"]
[PlyCount "132"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:08]} d6 {[%emt 0:02:51]} 2. Nf3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:05]} 3. d3 {[%emt 0:00:06]} e5 {[%emt 0:02:09]} 4. Nc3 Bg4 {[%emt 0:03:26]} 5. Be2 {[%emt 0:02:11]} Be7 {[%emt 0:00:28]} 6. Bg5 {[%emt 0:02:01]} c6 {[%emt 0:05:47]} 7. h3 {[%emt 0:01:24]} Bh5 {[%emt 0:02:36]} 8. Nh2 {[%emt 0:07:29]} Bxe2 {[%emt 0:00:58]} 9. Nxe2 {[%emt 0:01:37]} d5 {[%emt 0:01:37]} 10. Nc3 {[%emt 0:03:14]} Qb6 {[%emt 0:10:09]} 11. Qc1 {[%emt 0:02:05]} Qa5 {[%emt 0:17:59]} 12. O-O {[%emt 0:02:11]} O-O {[%emt 0:01:09]} 13. a3 {[%emt 0:05:55]} Nbd7 {[%emt 0:01:42]} 14. Ne2 {[%emt 0:04:50]} Rfe8 {[%emt 0:01:56]} 15. Ng3 {[%emt 0:00:52]} Nf8 {[%emt 0:13:11]} 16. Nf5 {[%emt 0:02:59]} Qd8 {[%emt 0:01:02]} 17. Ng4 {[%emt 0:05:31]} Ng6 {[%emt 0:02:52]} 18. Nxe7+ {[%emt 0:00:29]} Qxe7 {[%emt 0:00:01]} 19. f4 {[%emt 0:05:17]} Qc5+ {[%emt 0:01:42]} 20. Kh1 {[%emt 0:01:25]} Nxg4 {[%emt 0:00:05]} 21. hxg4 {[%emt 0:00:13]} exf4 {[%emt 0:00:18]} 22. Bxf4 {[%emt 0:00:54]} dxe4 {[%emt 0:00:11]} 23. Be3 {[%emt 0:01:37]} Qe5 {[%emt 0:00:51]} 24. Bf4 {[%emt 0:03:36]} Nxf4 {[%emt 0:00:11]} 25. Rxf4 {[%emt 0:01:14]} exd3 {[%emt 0:00:27]} 26. cxd3 {[%emt 0:00:08]} Qe2 {[%emt 0:03:40]} 27. Qc4 {[%emt 0:00:28]} Re6 {[%emt 0:00:02]} 28. Raf1 {[%emt 0:01:27]} Rf8 {[%emt 0:00:46]} 29. R4f3 {[%emt 0:01:47]} Re7 {[%emt 0:02:53]} 30. Qc5 {[%emt 0:07:49]} h6 {[%emt 0:02:30]} 31. R1f2 {[%emt 0:00:46]} Qe1+ {[%emt 0:00:07]} 32. Rf1 {[%emt 0:00:15]} Qe5 {[%emt 0:00:13]} 33. Qb4 {[%emt 0:02:23]} c5 {[%emt 0:00:28]} 34. Qb5 {[%emt 0:01:05]} g6 {[%emt 0:00:29]} 35. Qa5 {[%emt 0:01:01]} b6 {[%emt 0:00:10]} 36. Qd2 {[%emt 0:00:07]} Kg7 {[%emt 0:00:38]} 37. Rf6 {[%emt 0:00:42]} Re6 {[%emt 0:04:50]} 38. R6f4 {[%emt 0:00:10]} f6 {[%emt 0:02:05]} 39. Re4 {[%emt 0:00:19]} Qd6 {[%emt 0:00:03]} 40. Ref4 {[%emt 0:00:36]} Rfe8 {[%emt 0:01:54]} 41. R4f3 {[%emt 0:04:01]} Qe5 {[%emt 0:02:42]} 42. Kg1 {[%emt 0:03:09]} Qd4+ {[%emt 0:00:24]} 43. Qf2 {[%emt 0:01:02]} Qxf2+ {[%emt 0:00:18]} 44. R1xf2 {[%emt 0:00:02]} Re1+ {[%emt 0:00:35]} 45. Kh2 {[%emt 0:00:10]} R8e6 {[%emt 0:00:07]} 46. Kg3 {[%emt 0:00:14]} R1e2 {[%emt 0:00:23]} 47. Rxf6 {[%emt 0:00:32]} R6e3+ {[%emt 0:01:22]} 48. R6f3 {[%emt 0:00:22]} Rxf3+ {[%emt 0:01:30]} 49. gxf3 {[%emt 0:00:20]} Rxf2 {[%emt 0:00:14]} 50. Kxf2 {[%emt 0:00:11]} Kf6 {[%emt 0:00:05]} 51. f4 {[%emt 0:01:14]} h5 {[%emt 0:00:07]} 52. Kg3 {[%emt 0:00:27]} hxg4 {[%emt 0:01:12]} 53. Kxg4 {[%emt 0:00:19]} a6 {[%emt 0:02:18]} 54. a4 {[%emt 0:05:38]} b5 {[%emt 0:08:56]} 55. b3 {[%emt 0:00:31]} bxa4 {[%emt 0:00:15]} 56. bxa4 {[%emt 0:00:07]} a5 {[%emt 0:00:05]} 57. Kg3 {[%emt 0:00:29]} Ke6 {[%emt 0:00:27]} 58. Kg4 {[%emt 0:00:23]} Kf6 {[%emt 0:01:20]} 59. Kg3 {[%emt 0:00:07]} Ke6 {[%emt 0:01:15]} 60. Kg4 {[%emt 0:01:27]} Kf6 {[%emt 0:00:18]} 61. Kf3 Kf5 62. Ke3 Kf6 63. Kf3 Kf5 64. Kg3 Ke6 65. Kf3 Kf5 66. Kg3 g5 1/2-1/2

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.35"]
[White "Montiel Caceres, Helen"]
[Black "Rodriguez Buela, Martin"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1625"]
[BlackElo "1796"]
[Annotator "NA"]
[PlyCount "55"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} e6 {[%emt 0:00:10]} 2. c4 {[%emt 0:00:03]} f5 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:00]} Nf6 4. f3 Bb4 {[%emt 0:00:51]} 5. Bd2 {[%emt 0:00:16]} c5 {[%emt 0:05:48]} 6. e3 {[%emt 0:00:08]} cxd4 {[%emt 0:08:00]} 7. exd4 {[%emt 0:00:06]} d6 {[%emt 0:03:11]} 8. Nh3 {[%emt 0:15:06]} O-O {[%emt 0:05:44]} 9. Qb3 {[%emt 0:01:07]} Qa5 {[%emt 0:10:35]} 10. a3 {[%emt 0:00:48]} Nc6 {[%emt 0:00:20]} 11. O-O-O {[%emt 0:03:28]} Bxc3 {[%emt 0:01:17]} 12. Bxc3 {[%emt 0:00:05]} Qc7 {[%emt 0:02:15]} 13. Bd3 {[%emt 0:15:44]} d5 {[%emt 0:05:30]} 14. Kb1 {[%emt 0:02:38]} Bd7 {[%emt 0:06:00]} 15. g3 {[%emt 0:04:49]} Rfe8 {[%emt 0:04:57]} 16. Nf4 {[%emt 0:00:14]} Ne7 {[%emt 0:00:06]} 17. Rhe1 {[%emt 0:01:00]} Kf7 {[%emt 0:01:03]} 18. cxd5 {[%emt 0:13:33]} exd5 {[%emt 0:07:50]} 19. Bb4 {[%emt 0:00:30]} Bc6 {[%emt 0:15:25]} 20. Bxe7 {[%emt 0:01:06]} Rxe7 {[%emt 0:00:08]} 21. Bxf5 {[%emt 0:00:07]} Rae8 {[%emt 0:00:55]} 22. Rxe7+ {[%emt 0:01:15]} Rxe7 {[%emt 0:00:08]} 23. Nd3 {[%emt 0:02:31]} g6 {[%emt 0:04:33]} 24. Ne5+ {[%emt 0:00:14]} Rxe5 {[%emt 0:00:05]} 25. dxe5 {[%emt 0:00:07]} Qxe5 {[%emt 0:00:02]} 26. Bc8 {[%emt 0:01:14]} Qc7 {[%emt 0:00:47]} 27. Bh3 {[%emt 0:00:10]} Qa5 {[%emt 0:00:40]} 28. Qe3 {[%emt 0:00:25]} 1-0

[Event "V Copa Marcel Duchamp 2022"]
[Site "Montevideo"]
[Date "2022.02.19"]
[Round "9.36"]
[White "Silva Rosas, Natalia"]
[Black "Lanzilotta, Filippo"]
[Result "1/2-1/2"]
[ECO "A02"]
[WhiteElo "1777"]
[BlackElo "1299"]
[Annotator "NA"]
[PlyCount "74"]
[EventDate "2022.02.12"]
[EventCountry "URU"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. f4 {[%emt 0:06:37]} Nf6 {[%emt 0:04:25]} 2. Nf3 {[%emt 0:00:05]} d5 {[%emt 0:00:17]} 3. g3 {[%emt 0:00:14]} c6 {[%emt 0:00:41]} 4. Bg2 {[%emt 0:00:04]} Bf5 {[%emt 0:00:09]} 5. d3 {[%emt 0:01:19]} Nbd7 {[%emt 0:01:16]} 6. Nh4 {[%emt 0:00:47]} Bg6 {[%emt 0:00:49]} 7. Nd2 {[%emt 0:00:55]} Ng4 8. Nb3 {[%emt 0:01:42]} Qb6 {[%emt 0:02:22]} 9. d4 {[%emt 0:00:19]} e5 {[%emt 0:00:47]} 10. h3 {[%emt 0:00:32]} Ngf6 {[%emt 0:00:20]} 11. Nxg6 {[%emt 0:03:21]} hxg6 {[%emt 0:00:07]} 12. dxe5 {[%emt 0:00:31]} Nh5 {[%emt 0:00:25]} 13. Qd3 {[%emt 0:00:24]} Nc5 {[%emt 0:01:27]} 14. Nxc5 {[%emt 0:02:37]} Bxc5 {[%emt 0:00:06]} 15. Qf3 {[%emt 0:00:14]} Be7 {[%emt 0:00:32]} 16. e3 {[%emt 0:01:42]} Nxg3 {[%emt 0:00:18]} 17. Rg1 {[%emt 0:01:10]} Bh4 {[%emt 0:00:36]} 18. Kd1 {[%emt 0:00:35]} Ne4 {[%emt 0:00:44]} 19. Rf1 {[%emt 0:00:34]} O-O-O {[%emt 0:06:19]} 20. c3 {[%emt 0:00:26]} Qb5 {[%emt 0:01:57]} 21. Kc2 {[%emt 0:03:06]} f5 {[%emt 0:05:19]} 22. exf6 {[%emt 0:02:43]} gxf6 {[%emt 0:00:20]} 23. f5 {[%emt 0:01:17]} gxf5 {[%emt 0:01:19]} 24. Qxf5+ {[%emt 0:00:39]} Kc7 {[%emt 0:03:19]} 25. Bxe4 {[%emt 0:00:10]} Qe2+ {[%emt 0:01:11]} 26. Bd2 {[%emt 0:00:16]} dxe4 {[%emt 0:00:18]} 27. Rad1 {[%emt 0:00:22]} Bg5 {[%emt 0:00:25]} 28. Rfe1 {[%emt 0:06:05]} Rxd2+ {[%emt 0:00:24]} 29. Rxd2 {[%emt 0:00:49]} Qxe1 {[%emt 0:00:08]} 30. Qa5+ {[%emt 0:00:44]} Kc8 {[%emt 0:01:29]} 31. Qf5+ {[%emt 0:04:13]} Kc7 {[%emt 0:00:14]} 32. Qd7+ {[%emt 0:00:37]} Kb6 {[%emt 0:00:12]} 33. Qd4+ {[%emt 0:00:26]} Kc7 {[%emt 0:00:22]} 34. Qd6+ {[%emt 0:00:10]} Kc8 {[%emt 0:00:11]} 35. Qd7+ {[%emt 0:01:13]} Kb8 36. Qd6+ {[%emt 0:00:17]} Kc8 {[%emt 0:00:21]} 37. Qd7+ {[%emt 0:01:12]} Kb8 {[%emt 0:00:12]} 1/2-1/2

