[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.01"]
[Round "1.1"]
[White "Granda Zuniga, Julio E"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2644"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,71,24,16,15,14,0,13,18,18,10,21,28,25,0,15,14,14,4,21,0,8,6,15,14,22,0,24,11,28,13,25,21,20,29,70,31,152,147,143,99,220,196,505,494,799,798,807,814,804,802,789,770,906,845,1427,1403,1027,1222,29992,29993,29994,29995]} 1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O a5 7. Bg5 $146 {E06: Closed Catalan: Early deviations} ({Predecessor:} 7. Nc3 dxc4 8. Qa4 Bb4 9. Bg5 Nbd7 10. Qc2 h6 11. Bxf6 Nxf6 12. Rfd1 Nd5 13. a4 b6 14. Ne5 Bxc3 15. bxc3 {1-0 (63) Mareco,S (2606)-Slipak,S (2455) Villa Martelli 2016}) 7... Nbd7 {[%cal Bb8d7,Bd7f6,Bf6e8,Be8c7,Bc7a6,Ba6b4][%mdl 32]} 8. Nbd2 h6 9. Bxf6 {The position is equal.} Nxf6 10. Qc2 a4 11. Rac1 c6 12. e4 Qa5 13. e5 Ne8 14. Rfd1 Nc7 15. Nf1 a3 16. b3 Na6 17. Ne3 Nb4 18. Qb1 b6 19. Ne1 Ba6 20. N1c2 Rac8 21. h4 Rfd8 22. Kh2 Bf8 23. f4 Bb7 ({Black should try} 23... Nxc2 $1 $14 24. Rxc2 (24. Qxc2 c5 $11) 24... dxc4) 24. f5 $16 exf5 25. Nxf5 {[%cal Be3f5,Bf5h6,Bh6f7,Bf7d6][%mdl 32]} c5 (25... Ba6 $16) 26. Nce3 $18 g6 $2 {[#]} (26... Qa7) 27. Ng4 h5 (27... cxd4 $142 28. e6 (28. Ngxh6+ Bxh6 29. Nxh6+ Kg7 $16) 28... d3) 28. Ngh6+ Bxh6 29. Nxh6+ Kg7 {[#]} 30. Nxf7 $1 {[%mdl 512]} Rf8 (30... Kxf7 31. Rf1+) 31. Rf1 {Played: Nf7-d6} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.01"]
[Round "1.2"]
[White "Flores, Diego"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2608"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,60,1,0,3,3,12,0,2,-4,0,-15,-18,-12,-12,-8,-22,-25,-13,-20,0,0,0,0,27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,-32,0,0,29,17,27,22,18]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 d4 7. e3 c5 {A14: English Opening: 1...e6 with b3 by White} 8. exd4 cxd4 9. d3 (9. Re1 Nc6 10. Bb2 Bd6 11. Nxd4 Nxd4 12. Bxd4 Bxg3 13. hxg3 Qxd4 14. Nc3 Ng4 15. Qf3 f5 16. Nb5 Qb6 17. Qf4 e5 18. Rxe5 Nxe5 19. Qxe5 {1-0 (37) Artemiev,V (2761)-Korobov,A (2687) Poikovsky 2019}) 9... Nc6 10. Re1 Re8 11. Bg5 $146 ({Predecessor:} 11. a3 a5 12. Bg5 h6 13. Bxf6 {1-0 (33) Gorovets,A (2480)-Nemcova,K (2296) Saint Louis 2013}) 11... h6 12. Bxf6 Bxf6 13. a3 a5 14. Nbd2 Rb8 15. c5 b6 16. cxb6 Qxb6 17. Nc4 Qa6 ({Not} 17... Qxb3 $2 18. Qxb3 Rxb3 19. Nfd2 $18) 18. b4 Rd8 19. Nfd2 axb4 20. axb4 Qb5 21. Na3 Qb6 $1 22. Ndc4 Qc7 23. b5 Nb4 24. b6 Qc5 25. Rb1 Bd7 26. Qb3 Nd5 27. Bxd5 Qxd5 28. Ne5 Be8 29. Qxd5 Rxd5 30. Nac4 Bb5 {Accuracy: White = 68%, Black = 56%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.01"]
[Round "1.3"]
[White "Henriquez Villagra, Cristobal"]
[Black "Santiago, Yago De Moura"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2593"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,87,57,60,60,57,70,55,59,40,51,43,35,52,56,66,105,111,112,117,100,92,112,98,104,109,115,61,64,67,71,54,74,82,90,46,79,71,109,92,116,80,139,139,139,139,131,131,131,149,272,250,281,193,268,287,344,320,553,561,970,900,977,958,878,703,1347,1156,1703,1280]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qb6 8. Na4 Qa5+ 9. c3 b6 10. Bd2 c4 11. b4 $1 {[%cal Rb4a5]} Qa6 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} 12. Be2 b5 13. Nc5 Nxc5 {White is slightly better.} 14. dxc5 Qb7 15. a4 a5 16. axb5 Qxb5 {[#]} 17. Nd4 $146 {[%mdl 2048] White has good play.} ({Predecessor:} 17. O-O Bb7 18. Qa4 Qxa4 19. Rxa4 {1-0 (46) Smirnov,P (2620)-Drozdovskij,Y (2506) chessassistantclub.com INT 2004}) 17... Nxd4 18. cxd4 a4 19. O-O Be7 20. Rf3 Bd7 21. Qb1 Ra7 22. h4 f5 23. exf6 (23. Rfa3 $16) 23... Bxf6 $14 {[%mdl 64] [#] Double Attack} 24. Bc3 $1 O-O 25. Qe1 a3 26. Ra2 Qb8 27. Bf1 Qe8 28. g3 Qg6 29. Bg2 Kh8 30. Kh2 Ra6 (30... Ra4 $142) 31. Ba1 $16 Rfa8 32. Qc1 h6 33. Rfxa3 Rxa3 34. Rxa3 Rb8 (34... Rxa3 $16 35. Qxa3 Qe8) 35. Bc3 $18 Qd3 36. Be1 Qg6 (36... Qe2 $142) 37. Qe3 Qb1 {Now ...Qb2 and Black clings on.} 38. Ra7 Bc8 $2 (38... Bb5 {is a better defense.} 39. Bc3 Qc2) 39. c6 {White is clearly winning.} Kh7 40. c7 Rxb4 41. Bxb4 Qxb4 42. Qc1 Qb3 43. Ra8 Qb7 {[#]} 44. Rxc8 $1 {[%mdl 512] Accuracy: White = 68%, Black = 33%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.01"]
[Round "1.4"]
[White "Pichot, Alan"]
[Black "Ricardi, Pablo"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2588"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,89,37,27,64,73,66,64,62,66,68,62,75,52,68,58,83,70,110,56,74,60,58,29,29,21,18,16,162,154,152,152,153,114,312,287,337,160,160,160,210,156,156,153,302,69,302,302,466,460,451,462,450,452,591,562,1070,1062,1012,1004,985,948,922,919,898,806,1618,1474,1017,953]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 f5 12. Nf2 (12. exf6 $5 Nxf6 13. Be3 $14) 12... Ne7 {B45: Sicilian Four Knights} (12... Ba6 13. Kf3 Ne7 14. Be3 Bc5 15. Bxc5 Qxc5 16. Qd6 Qb6 17. b3 c5 18. Be2 Rc8 19. Rad1 Qxd6 20. Rxd6 Bb7+ 21. Ke3 g5 22. Bh5+ Ng6 23. fxg5 Bxg2 24. Rhd1 f4+ 25. Ke2 Bc6 {0-1 (54) Saric,I (2667)-Dreev,A (2661) Mali Losinj 2019}) 13. Nd3 {Hoping for Be3.} d5 14. a3 Bc5 {White is slightly better.} 15. Nxc5 Qxc5 16. Be3 Qa5 $1 17. b4 Qc7 $146 ({Predecessor:} 17... Qd8 18. Kf2 g5 19. Qh5+ Ng6 20. Qxg5 Qxg5 21. fxg5 Nxe5 {1-0 (40) Iskov,G (2380)-Fries Nielsen,J (2355) Vejle 1982}) 18. Kf2 a5 19. Be2 O-O 20. Qd4 ({White should play} 20. b5 $1 $16) 20... dxc4 $14 21. Bxc4 Rd8 22. Qb6 $36 {[%mdl 2048] White has good play.} Rd2+ 23. Kf3 Qxb6 24. Bxb6 axb4 (24... Rc2 $11 {and Black has nothing to worry.} 25. Rhc1 Rxc1 26. Rxc1 axb4) 25. axb4 $18 Rxa1 26. Rxa1 Rc2 27. Bf1 {Bc5 is the strong threat.} Rc3+ $2 (27... c5 $16) 28. Kf2 Rc2+ {[#]} 29. Kg1 (29. Ke1 $1 $18 {and the rest is easy.}) 29... Kf7 30. Bc5 Rd2 31. Bd6 Bd7 32. Ra8 {Threatens to win with Rd8.} Nd5 {[#]} (32... Rb2 $16 33. Ra7 Ke8) 33. Rf8+ $1 Kg6 34. Rd8 Ne3 (34... Nf6 $142 35. b5 cxb5) 35. Rxd7 {White is clearly winning.} Rd1 {[%csl Ge3][%cal Rd1f1]} 36. Kf2 Nxf1 {[%mdl 4096] Endgame KRB-KRN} 37. Ke2 Rb1 38. Bf8 Nxh2 39. Rxg7+ Kh5 40. Rxh7+ Kg4 41. Rxh2 Kxf4 42. Bd6 Ke4 43. Rh4+ f4 44. g3 Rb2+ 45. Kf1 {Accuracy: White = 75%, Black = 49%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.01"]
[Round "1.5"]
[White "Delgado Ramirez, Neuris"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2619"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,-8,-3,-41,-43,-44,-55,-29,-33,-56,-54,-58,-55,-54,213,-48,-52,-53,-35,-43,-34,-30,-31,-37,-3,-11,-6,-7,0,-2,0,0,0,-8,0,0,-10,-11,-3,-6,0,0,0,-20,0,0,0,-22,0]} 1. e4 ({Predecessor:} 1. Nc3 Nf6 2. e4 e5 3. a3 Nc6 {½-½ (26) Leeners,H-Noomen,J corr 1987}) 1... e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. Bb5 $146 (5. exd5 Nxd5 6. Nxe5 Nxe5 7. Qe2 f6 8. d4 Nxc3 9. bxc3 Qd5 10. Bb2 Bd6 11. dxe5 Qxe5 12. O-O-O Qxe2 13. Bxe2 Be6 {½-½ (37) Nepomniachtchi,I (2775)-Grischuk,A (2766) Paris 2019}) 5... Nxe4 6. Nxe5 {C47: Scotch Four Knights and Four Knights with 4 g3} Qg5 7. Nxc6 Qxg2 {[%csl Ge4][%cal Rg2f2] [#]} 8. Rf1 {Black is slightly better.} a6 9. Ba4 Nxc3 $1 ({Of course not} 9... Bh3 $6 10. Qe2 $14) 10. dxc3 {aiming for Nb4+.} Qe4+ $1 11. Qe2 Qxe2+ 12. Kxe2 {And now Nb4+ would win.} Bd7 {[%mdl 64] [#] Pin} 13. Bf4 Bxc6 (13... bxc6 {keeps more tension.} 14. Bxc7 f6 15. Rad1 Rc8 16. Bg3 h5) 14. Bxc6+ bxc6 15. Bxc7 Kd7 16. Bg3 Bd6 17. Kd3 {The position is equal.} Rhe8 18. Rae1 Re6 19. c4 Rae8 20. Rxe6 fxe6 $11 {[%mdl 4096] Endgame KRB-KRB} 21. Rg1 e5 22. cxd5 cxd5 23. c4 dxc4+ 24. Kxc4 Rc8+ 25. Kd3 Rb8 26. Kc3 Rc8+ 27. Kd3 Rb8 28. Kc3 Rc8+ {Accuracy: White = 67%, Black = 59%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.01"]
[Round "1.6"]
[White "Hoffman, Alejandro"]
[Black "Felgaer, Ruben"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2441"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,36,0,4,10,3,3,3,17,13,25,14,14,11,9,10,7,16,22,17,17,35,34,33,26,41]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Be7 8. O-O {D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines} O-O 9. e3 Nbd7 10. Rd1 {The position is equal.} (10. Qe2 Ne4 11. Rd1 Qa5 12. Nfd2 Ndf6 13. Nb3 Qb6 14. f3 Nd6 15. e4 Bg6 16. e5 Nf5 17. exf6 Bxf6 {0-1 (51) Jumabayev,R (2633)-Shirov,A (2658) Riga 2019}) 10... Rc8 11. Qe2 Qa5 12. Nc3 Ne4 13. Bd2 Nxd2 14. Nxd2 Bc2 15. Rdc1 Bg6 16. a3 {[#]} Rfd8 $146 ({Predecessor:} 16... Qc7 17. Rd1 Nb6 18. Rac1 Rfd8 19. Nb3 Nd5 20. Ne4 {½-½ (20) Bochev,K (2320)-Borzenko,A (2533) ICCF email 2011}) 17. b4 Qc7 18. Nb3 Qb8 {Accuracy: White = 84%, Black = 57%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.02"]
[Round "2.1"]
[White "Slipak, Sergio"]
[Black "Felgaer, Ruben"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2384"]
[BlackElo "2560"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 3. e3 {[%emt 0:07:10]} d5 {[%emt 0:11:31]} 4. Bd3 {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 5. Nbd2 {[%emt 0:00:30]} Nbd7 {[%emt 0:00:30]} 6. h3 {[%emt 0:00:30]} Bh5 {[%emt 0:00:30]} 7. b3 {[%emt 0:10:30]} e5 {[%emt 0:00:30]} 8. g4 {[%emt 0:00:30]} e4 {[%emt 0:00:30]} 9. gxh5 {[%emt 0:00:30]} exd3 {[%emt 0:00:30]} 10. cxd3 {[%emt 0:23:10]} Nxh5 {[%emt 0:00:30]} 11. Bb2 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 12. Ne5 {[%emt 0:00:30]} Bd6 {[%emt 0:00:30]} 13. Qg4 {[%emt 0:00:30]} Nf8 {[%emt 0:00:30]} 14. O-O {[%emt 0:14:11]} f6 {[%emt 0:00:30]} 15. Nef3 {[%emt 0:00:30]} Kf7 {[%emt 0:08:19]} 16. Nh4 {[%emt 0:05:30]} Ng7 {[%emt 0:04:50]} 17. f4 {[%emt 0:09:00]} f5 {[%emt 0:00:30]} 18. Qg3 {[%emt 0:00:30]} Nfe6 {[%emt 0:00:30]} 19. Nhf3 {[%emt 0:21:50]} Qa5 {[%emt 0:00:30]} 20. Qe1 {[%emt 0:00:30]} Qa6 {[%emt 0:00:30]} 21. Rd1 Rhe8 {[%emt 0:11:33]} 22. Ne5+ Bxe5 {[%emt 0:00:30]} 23. fxe5 Kg8 {[%emt 0:05:07]} 24. Bc3 Qxa2 {[%emt 0:00:30]} 25. Bb4 Qa6 {[%emt 0:00:30]} 26. Nf3 Qb6 {[%emt 0:04:20]} 27. Bd6 f4 {[%emt 0:00:30]} 28. exf4 Nxd4 {[%emt 0:06:50]} 29. Nxd4 Qxd4+ {[%emt 0:00:30]} 30. Qf2 Qxf2+ {[%emt 0:00:30]} 31. Kxf2 Nf5 {[%emt 0:00:30]} 32. Ba3 a5 {[%emt 0:00:30]} 33. Bc5 Kf7 {[%emt 0:00:30]} 34. Ra1 Ra6 {[%emt 0:00:30]} 35. b4 Rea8 {[%emt 0:10:40]} 36. bxa5 Rxa5 {[%emt 0:00:30]} 37. Rxa5 Rxa5 {[%emt 0:00:30]} 38. d4 Ra2+ {[%emt 0:00:30]} 39. Kf3 Rb2 {[%emt 0:00:30]} 40. Ra1 Rb5 {[%emt 0:00:30]} 41. Kf2 b6 {[%emt 0:30:30]} 42. Ra7+ Ke6 {[%emt 0:00:30]} 43. Bf8 Rb2+ {[%emt 0:00:30]} 44. Kf3 Nxd4+ {[%emt 0:00:30]} 45. Ke3 Nf5+ {[%emt 0:00:30]} 46. Kd3 Rb3+ {[%emt 0:00:30]} 47. Kd2 Rxh3 {[%emt 0:00:30]} 48. Rc7 Nd4 {[%emt 0:00:30]} 49. Rb7 Rf3 {[%emt 0:02:00]} 50. Re7+ Kf5 {[%emt 0:00:30]} 51. Rf7+ Ke4 {[%emt 0:00:30]} 52. Bd6 c5 {[%emt 0:02:20]} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.02"]
[Round "2.2"]
[White "Perez Ponsa, Federico"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "C66"]
[WhiteElo "2566"]
[BlackElo "2441"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,104,42,41,40,68,62,50,42,87,89,85,82,115,115,115,115,115,115,113,99,74,62,54,51,56,71,101,65,57,22,52,52,52,54,55,24,17,17,18,18,28,18,29,10,43,39,88,88,88,88,112,112,112,107,112,112,112,87,87,87,112,112,112,58,168,168,168,85,168,168,168,168,168,168,168,88,168,168,168,168,168,0,168,0,168,0,168]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 exd4 7. Nxd4 Be7 8. Nxc6 Bxc6 9. Bxc6+ bxc6 10. f4 O-O 11. Qf3 {C66: Ruy Lopez: Steinitz Defence} (11. b3 d5 12. e5 Bb4 13. Qf3 Qe7 14. Kh1 Bxc3 15. Qxc3 Ne4 16. Qxc6 Qe6 17. Qb5 Qb6 18. Qe2 f5 {½-½ (36) Pasko,P (2526)-De Oliveira,J (2574) ICCF email 2016}) 11... d5 12. e5 Nd7 13. Be3 {White is slightly better.} f5 $146 ({Predecessor:} 13... Nb6 14. Rad1 f6 15. exf6 Bxf6 16. Bc5 Rf7 17. Rfe1 Bxc3 18. Qxc3 Na4 19. Qd4 Nxc5 20. Qxc5 {1-0 (41) Einbild,L-Morgenstern Berlin 1902}) 14. Na4 Nb6 15. Nc5 {Hoping for Ne6.} Bxc5 16. Bxc5 Re8 17. Rad1 Qc8 18. b3 Nd7 19. Be3 Nf8 20. c4 dxc4 21. Qxc6 cxb3 22. axb3 Qe6 23. Qc3 (23. Qc2 {is interesting.} a5 24. Rd3 Red8 25. Rfd1 Rxd3 26. Rxd3 Qf7 27. Kf2) 23... a5 24. Rd4 Rab8 25. Rb1 Rb5 26. Qxc7 Rxb3 27. Rxb3 (27. Re1 {is more complex.} Qb6 28. Qxb6 Rxb6 29. Ra4 Rb5 30. Rea1) 27... Qxb3 28. Qc4+ Qxc4 29. Rxc4 $11 {[%mdl 4096] Endgame KRB-KRN} Ra8 30. Ra4 Ne6 31. Bd2 Kf7 32. g3 Nc5 33. Rxa5 Rxa5 34. Bxa5 $16 {KB-KN} h5 35. Bb6 Ne6 36. Be3 g6 37. Kf2 Ng7 38. Bc5 Ne6 39. Bb6 Ng7 40. Ke3 Ne6 41. Kd3 (41. h4 $16) 41... Ng7 ({Black should play} 41... h4 $14) 42. Kc4 $18 Ne6 43. Kd5 (43. Be3 $18) 43... Ng7 (43... h4 $16) 44. Bd8 Ne6 45. Bf6 Nf8 46. Bg5 Ne6 47. Bh6 ({White should try} 47. Kd6 $18) 47... Nd8 (47... Ke7 $16 {was necessary.} 48. Bg5+ Kd7) 48. Kd6 Ne6 49. Kd7 Nd4 50. Kd6 Ne6 51. Kd7 Nd4 $1 52. Kd6 Ne6 {Accuracy: White = 58%, Black = 55%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.02"]
[Round "2.3"]
[White "Ricardi, Pablo"]
[Black "Delgado Ramirez, Neuris"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2493"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,110,0,11,-7,-11,0,14,0,0,0,0,0,0,0,70,29,16,-44,-24,-23,-14,-45,0,0,0,-11,27,39,29,28,36,0,0,0,0,0,35,20,49,0,0,0,0,0,0,0,0,0,0,0,24,24,27,0,0,0,0,0,0,-39,-41,-41,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-57,-58,-69,0,0,0,0,0,-8,0,-8,-8,-8,0,0,0,0,0,-130,-157,-237,-246,-238,-268,-29980,-29981,-29981,-29980]} 1. Nf3 d5 2. c4 d4 3. g3 g6 4. Bg2 Bg7 5. O-O e5 6. d3 Ne7 7. e3 {A09: Réti Opening: 1 Nf3 d5 2 c4} (7. b4 O-O 8. Nbd2 h6 9. a4 Be6 10. Ba3 Nd7 11. b5 Re8 12. Nb3 b6 13. a5 Rb8 14. Ne1 h5 15. Nc2 h4 16. Nb4 hxg3 17. hxg3 {1-0 (46) Iordachescu,V (2591)-Jobava,B (2634) Batumi 2018}) 7... dxe3 8. fxe3 e4 9. Ng5 {The position is equal.} Qxd3 10. Qxd3 ({Don't play} 10. Bxe4 Qxd1 11. Rxd1 O-O $17) 10... exd3 11. Rxf7 $146 ({Predecessor:} 11. Nxf7 O-O 12. Ng5 Nbc6 13. Nc3 Rxf1+ 14. Bxf1 Ne5 {0-1 (14) Alvarez Garcia,J (2146)-Rivas Pastor,M (2421) San Fernando 2004}) 11... Rg8 12. Rf2 Nbc6 (12... h6 $11 13. Ne4 Rf8) 13. Nc3 {next Nb5 is good for White.} h6 14. Nge4 (14. Nh7 $1 $11) 14... Bf5 $15 15. Bd2 O-O-O 16. h3 Kb8 (16... Bxe4 $5 17. Nxe4 Bxb2 $15) 17. g4 Bc8 18. Nf6 Bxf6 19. Rxf6 Ne5 20. b3 h5 21. gxh5 gxh5 22. Kh2 $1 Nf5 23. Rf1 Nh4 24. Be4 Rg7 25. Rf8 Nef3+ 26. R1xf3 Rg2+ 27. Kh1 Rxf8 28. Rxf8 Rxd2 29. Rd8 c6 30. Rxd3 Rb2 31. Rd8 {[#] Hoping for Rf8.} Kc7 32. Rf8 {Threatens to win with Rf4.} Bxh3 33. Rf4 Bg4 34. Kg1 Kd6 35. Rf2 Rxf2 36. Kxf2 {[%mdl 4096] Endgame KBN-KBN} Ke5 37. Kg3 $1 {[%cal Rg3h4]} Nf5+ 38. Bxf5 $1 Bxf5 $11 {KB-KN} 39. Kh4 Bg4 40. b4 b6 41. Kg5 Be6 42. a3 Bf7 43. c5 b5 (43... bxc5 $15 44. bxc5 a6) 44. Kh4 Kf5 45. Kg3 Be8 46. Kh4 Bg6 47. a4 bxa4 48. Nxa4 Be8 {White must now prevent ...Ke4.} 49. Nc3 a6 50. Kg3 Bf7 51. Kh4 {[#]} (51. Kh3 $1 $11) 51... Bg6 $1 $17 52. Ne2 (52. Kg3 $17) 52... Ke4 $19 53. Nd4 Be8 54. Nxc6 $2 (54. Ne6 $19 Bd7 55. Nc7) 54... Bxc6 55. Kxh5 Kxe3 {Accuracy: White = 45%, Black = 68%.} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.02"]
[Round "2.4"]
[White "Santiago, Yago De Moura"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2479"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,48,-25,-34,-12,23,-13,-8,-25,-27,-32,-40,-14,-37,-24,-23,-29,-37,-64,-68,-67,-68,-70,-64,-75,-52,-74,-71,-76,-65,-76,-11,-36,-41,-49,-25,-45,-52,-40,-43,-423,-422]} 1. e4 c5 2. Be2 (2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Nb3 Be7 8. Bg5 O-O 9. Bxf6 Bxf6 10. Nd5 Bg5 11. Bg4 Be6 12. O-O g6 13. Bxe6 fxe6 14. Nc3 Qe7 15. Qd3 Rad8 16. Rad1 a6 17. a3 Kg7 {1-0 (46) Radjabov,T (2758)-Ding,L (2811) Khanty-Mansiysk 2019}) 2... Nf6 3. d3 e5 4. f4 Nc6 5. Nf3 exf4 6. Bxf4 {B31: Sicilian: 2...Nc6 3 Bb5 g6} Be7 7. O-O d5 $146 ({Predecessor:} 7... O-O 8. Nc3 d5 9. e5 Ng4 10. h3 d4 {0-1 (33) Martinez Camacho,V (1479)-Meraiya,H (1400) FICGS email 2010}) 8. e5 {The position is equal.} Nd7 9. Qd2 Nf8 10. Na3 Ng6 11. Bg3 O-O 12. c3 d4 13. Nc2 Be6 14. cxd4 cxd4 15. b4 {With the idea b5.} Qd5 16. a4 a5 {[%cal Ra5b4]} 17. b5 Ncxe5 18. Nfxd4 Bc5 19. Bf2 $1 Bd7 (19... Rac8 $17) 20. Bf3 (20. Nf3 $5 {[%cal Rd3d4]} Bxf2+ 21. Rxf2 $11) 20... Nxf3+ 21. Nxf3 Rfd8 22. Ne3 Qh5 23. Nc4 Bg4 24. Qg5 $2 {[%mdl 8192] [#]} ({White should play} 24. Bxc5 $15 Qxc5+ 25. Qf2 Qxf2+ 26. Kxf2) 24... Bxf2+ {Accuracy: White = 46%, Black = 65%.} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.02"]
[Round "2.5"]
[White "Mareco, Sandro"]
[Black "Henriquez Villagra, Cristobal"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2634"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,55,18,14,28,22,17,22,33,12,14,6,9,0,23,0,25,0,0,0,19,4,8,0,0,0,0,0,12,0,2,0,27,0,9,-69,0,-10,8,-25]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. cxd5 exd5 7. Qc2 Be7 8. e3 Nh5 9. Bxe7 Qxe7 10. O-O-O Nhf6 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} 11. Bd3 Nb6 12. Kb1 Be6 13. Nd2 $146 ({Predecessor:} 13. h3 O-O-O 14. Nd2 Ne8 15. Rhe1 Nd6 16. f3 Qf6 17. Nb3 Kb8 18. Nc5 Rhe8 {½-½ (145) Bologan,V (2663)-Grachev,B (2601) Moscow 2008}) 13... O-O-O 14. Nb3 Kb8 15. f3 g6 16. Rhe1 Rc8 17. Ne2 Nfd7 18. Nf4 c5 19. dxc5 Nxc5 20. Nd4 g5 21. Nh5 Bd7 {aiming for ...Ba4.} 22. Qf2 Ka8 23. Bc2 Nc4 24. Ka1 Qd6 25. Ng3 Qb6 {[%csl Gc4][%cal Rb6b2] [#]} 26. Rb1 (26. Bf5 $11) 26... Qb4 (26... h5 $15) 27. Re2 $11 Ne6 28. Ngf5 {Accuracy: White = 35%, Black = 30%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.02"]
[Round "2.6"]
[White "Granda Zuniga, Julio E"]
[Black "Flores, Diego"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2644"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,74,48,55,48,65,22,28,42,56,16,27,0,16,-5,0,-18,-18,-6,0,-14,-11,0,17,6,3,-89,-74,-87,-75,-108,-92,-83,-23,-38,0,0,412,37,122,94,143,16,90,98,86,-98,-121,-251,-184,-139,-139,-89,70,75,221,0,207,188,184,200,329,331,779]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. Qg4 g6 8. Nc3 {B42: Sicilian: Kan Variation: 5 Bd3} b5 9. Bd2 $146 ({Predecessor:} 9. Qe2 Nc6 10. O-O d6 11. a4 b4 12. Nd1 a5 13. Bb5 Bd7 14. c4 {1-0 (39) Bologan,V (2641)-Milov,V (2626) Buenos Aires 2000}) 9... Bb7 10. Qe2 {White has an edge.} b4 11. Nd1 Nc6 12. f4 Nf6 13. Nf2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 14. Be3 e5 15. O-O O-O 16. Rad1 a4 {And now ...exf4 would win.} 17. Nd2 d5 {White must now prevent ...d4.} 18. f5 gxf5 19. exf5 (19. exd5 $1 $11 {remains equal.} Qxd5 20. Nf3) 19... Kh8 $17 20. Nf3 Qc7 {Played: Rf8-g8} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.03"]
[Round "3.1"]
[White "Flores, Diego"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2608"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,29,15,11,38,29,77,45,56,49,54,19,78,46,299,291,287,297,297,279,268,278,260,250,274,245,237,237,245,241,240,243,238,236,233,234,221,218,314,316,309,309,1415,1408,1283,1239,29977,29978,29968,29969]} 1. c4 e6 2. Nf3 d5 3. g3 g6 (3... Nf6 4. Bg2 d4 5. O-O c5 6. e3 Nc6 7. exd4 cxd4 8. d3 Bd6 9. Bg5 h6 10. Bxf6 Qxf6 11. Nbd2 Qe7 12. a3 a5 13. Ne4 Bc7 14. b4 axb4 15. axb4 Rxa1 16. Qxa1 Qxb4 {0-1 (43) Maghsoodloo,P (2673)-Matlakov,M (2692) Sharjah 2019}) 4. d4 Bg7 5. Nc3 Ne7 6. h4 {A13: English Opening: 1...e6} h6 7. Bf4 dxc4 $146 ({Predecessor:} 7... Nbc6 8. Nb5 O-O 9. Nxc7 e5 10. Nxe5 Qxc7 11. Nxg6 Qb6 12. Nxf8 Nxd4 13. Bg2 Qxb2 14. Rc1 {0-1 (14) Jacobsen,B (2280)-Nielsen,J (2260) Silkeborg 1988}) 8. e4 {White is better.} a6 9. Bxc4 b5 10. Bb3 Nd7 (10... c5 $11 {remains equal.}) 11. Rc1 {And now Nxb5! would win.} Nf6 $2 {[%mdl 8192] [#]} (11... c5 $14) 12. Nxb5 $1 $18 {[%mdl 512]} O-O ({But not} 12... axb5 $2 13. Bxc7 Bb7 14. Bxd8 $18) 13. Bxc7 Qd7 14. Nd6 Nc6 15. Ne5 Qxc7 16. Rxc6 Qe7 17. O-O {aiming for Nxg6!} Bb7 18. Rb6 Bxe4 19. Nxe4 Nxe4 {[#]} 20. Nxf7 $1 {[%mdl 512]} Rxf7 (20... Qxf7 21. Bxe6) 21. Rxe6 {[%mdl 64] Double Attack} Qb7 22. Qe2 Nxg3 23. fxg3 Bxd4+ (23... Rxf1+ $142 24. Qxf1 Kh8) 24. Kh2 Rxf1 25. Qxf1 {Re7+ would kill now.} Kh7 $2 {[#]} (25... Kh8 26. Rxg6 Bg7) 26. Qd3 $1 Qg7 27. Qe4 Ra7 28. h5 Bf6 29. Re8 {Accuracy: White = 86%, Black = 30%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.03"]
[Round "3.2"]
[White "Henriquez Villagra, Cristobal"]
[Black "Granda Zuniga, Julio E"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2593"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,59,12,22,12,14,43,40,111,118,107,115,113,113,115,108,101,97,119,66,90,92,146,156,154,165,151,156,222,215,212,209,210,206,216,209,231,213,217,208,206,211,211,208,299,291,306,295]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 {C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines} 9. h4 (9. Nf3 Bd6 10. O-O Nf4 11. Nc3 Nxd3 12. cxd3 O-O 13. b3 c5 14. Ba3 Nc6 15. Ne4 Nb4 16. Bxb4 cxb4 {½-½ (43) Aronian,L (2765)-Ding,L (2805) Saint Louis 2019}) 9... Be7 10. Qf3 f6 $146 (10... f5 $14) ({Predecessor:} 10... f5 11. Bxf5 Rf8 12. Qh5+ g6 13. Bxg6+ hxg6 14. Qxg6+ Kd7 15. Qe6+ Kc7 16. Qxe5+ {1-0 (40) Bosiocic,M (2599)-Matlakov,M (2700) St Petersburg 2018}) 11. Qh5+ $16 {[%mdl 64] Double Attack} (11. Bxh7 $2 fxg5 12. Bg6+ Kd7 $19) 11... Kd7 {White must now prevent ...Nf4.} 12. Nf7 (12. Nxh7 $2 Nf4 $17) 12... Qe8 {Threatens to win with ...Kc7.} 13. Qg4+ $1 Kc7 {[#]} 14. Qa4 $1 {[%cal Ra4a5]} ({Stronger than} 14. Qxg7 Rg8 $17) 14... Qxf7 15. Qxa5+ Kb8 16. Be4 (16. Nc3 $16) 16... Bb7 17. Nc3 Qe6 {[#]} (17... Bb4 $142 18. Qa4 a5) 18. O-O $1 ({Inferior is} 18. Bxd5 cxd5 19. b3 Bd8 $15) 18... f5 19. Bxd5 $1 cxd5 {[#]} 20. d4 $1 {[%mdl 512]} Rc8 (20... Bxh4 $16 {might work better.} 21. Re1 Bd8) (20... exd4 21. Nb5) 21. Re1 $18 Bd8 22. Qa3 {And now Bf4! would win.} Be7 23. Qb3 e4 24. Bf4+ Bd6 25. Nxd5 {[%cal Bc3d5,Bd5f4,Bf4e6][%mdl 32] Nb4 is the strong threat.} Bxf4 26. Nxf4 Qxb3 27. cxb3 a5 28. Rac1 Ka7 (28... a4 $142 29. b4 a3) 29. Ne6 g6 30. Nc7 {Accuracy: White = 88%, Black = 60%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.03"]
[Round "3.3"]
[White "Pichot, Alan"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2588"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,64,15,11,18,7,9,7,7,1,26,28,22,15,14,12,18,14,27,-8,3,-20,0,0,-6,-22,-30,-24,-24,-41,-27,-29,-30,-37,-32,-34,-35,-33,-30,-29,-21,-21,-18,-19,-23,-33,-2,-2,-2,-2,0,0,0,-6,0,-6,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 7. Nbd2 O-O 8. h3 h6 9. Re1 a4 10. Bb5 Bd7 11. Nf1 Ne7 12. Bxd7 Nxd7 13. d4 Bb6 {[#]} 14. Be3 $146 ({Predecessor:} 14. Ng3) 14... d5 15. Nxe5 dxe4 16. Bf4 f5 17. Ne3 Nxe5 18. Bxe5 Ng6 19. Nc4 Nxe5 20. Nxe5 Qd5 21. Qe2 c6 22. g4 Bc7 23. gxf5 Bxe5 24. dxe5 Qxe5 25. Qxe4 Qxf5 26. Qxf5 Rxf5 $15 {[%mdl 4096] Endgame KRR-KRR} 27. Re7 Raf8 28. Rxb7 {The position is equal.} Rxf2 29. Re1 R2f3 30. Kg2 Rf2+ 31. Kg1 R2f3 32. Kg2 Rf2+ {Accuracy: White = 72%, Black = 63%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.03"]
[Round "3.4"]
[White "Delgado Ramirez, Neuris"]
[Black "Santiago, Yago De Moura"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2619"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,43,0,-19,0,0,0,0,-2,-5,-16,-24,80,87,101,85,87,75,85,42,62,48,43,43,58,52,95,91,98,97,299,294,299,298,310,295]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Bb4 6. Bg5 h6 {C01: French: Exchange Variation} (6... O-O 7. Be2 dxc4 8. Bxc4 c5 9. dxc5 Qe7+ 10. Be2 Qxc5 11. Bxf6 gxf6 12. Rc1 Nc6 13. Nf3 Rd8 14. Qa4 {½-½ (41) Minasian,A (2477)-Kotanjian,T (2568) Yerevan 2009}) 7. Bxf6 Qxf6 8. cxd5 O-O {The position is equal.} 9. Nf3 $146 ({Predecessor:} 9. Bc4 c5 10. Nge2 cxd4 11. Qxd4 Qg6 12. O-O Bd6 13. Ne4 Rd8 14. N2g3 {1-0 (32) Grguric,S (1834)-Kolak,M (1748) Osijek 2007}) 9... Re8+ 10. Be2 Qg6 (10... Qe7 $11) 11. O-O $16 {Black must now prevent Qa4.} Bxc3 12. bxc3 Bh3 {[%csl Gh3][%cal Rg6g2]} 13. Ne1 $1 {Hoping for Bh5.} Bf5 14. Nd3 Nd7 {[%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 15. g3 Qd6 ({Avoid the trap} 15... Rxe2 $2 16. Nf4 $18) 16. Nf4 Nf6 17. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Ne4 {And now ...g5 would win.} 18. Rc1 Qa3 {[#] Black wants to play ...Nc3.} 19. Bd3 $1 Qxa2 $2 {[#]} (19... Nd6 $16) 20. f3 $1 $18 {White has a decisive advantage.} Nd6 21. c5 Bxd3 22. Qxd3 {Accuracy: White = 69%, Black = 41%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.03"]
[Round "3.5"]
[White "Hoffman, Alejandro"]
[Black "Ricardi, Pablo"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2441"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,149,19,26,33,37,33,64,64,62,57,67,70,102,100,101,114,106,96,94,87,87,88,89,95,89,89,100,94,105,100,136,134,136,129,133,135,147,154,163,162,158,141,156,181,161,151,150,171,168,128,182,175,348,230,232,120,204,206,203,203,232,238,230,210,196,184,208,202,205,155,227,185,185,185,185,185,197,152,141,135,152,142,147,141,141,141,249,245,219,219,197,197,611,595,645,645,627,96,90,96,620,588,588,588,584,584,529,374,12782,12782,8960,6128,5842,5842,5650,5467,5437,5400,5393,5342,5303,5295,5247,5240,5233,5233,5198,5139,5057,4742,4695,4695]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. a3 cxd4 7. exd4 Nc6 8. Nc3 Be7 9. O-O O-O 10. Re1 a6 11. Ba2 {D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines} b5 12. d5 Nxd5 $146 ({Predecessor:} 12... exd5 13. Nxd5 Nxd5 {1-0 (58) Gritsak,O (2542)-Przybylski,W (2329) Krakow 2006}) 13. Nxd5 {White is slightly better.} exd5 14. Qxd5 Bb7 $1 15. Qh5 $1 {Black must now prevent Bg5.} Qd6 16. Bg5 $1 {And now Rad1 would win.} Rad8 17. Bxe7 Nxe7 {[#]} 18. Ng5 $1 {[%csl Gg5][%cal Rh5h7][%mdl 512]} Qg6 {[#]} 19. Qxh7+ $1 {[%mdl 512]} Qxh7 20. Nxh7 Kxh7 21. Rxe7 {[%mdl 64] Double Attack} Bd5 22. Bxd5 Rxd5 $16 {[%mdl 4096] Endgame KRR-KRR} 23. h4 a5 24. Rb7 Kg6 25. Rc1 Rf5 26. Rc6+ Kh7 27. Rcb6 Rc8 28. Rxb5 Rc1+ 29. Kh2 Rxf2 30. Rxa5 Rcc2 31. Rh5+ Kg6 32. Rg5+ Kh6 33. b3 Rf4 34. Kh3 g6 (34... Rf1 $16 {was necessary.} 35. Rg4 g6) 35. Rg3 Rcf2 $2 (35... Rf1) 36. Rc3 Rf1 37. Rb4 (37. a4 $18) 37... R4f2 (37... Rxb4 $16 38. axb4 Rd1) 38. Kh2 $18 Ra2 39. a4 Rff2 40. Rg3 Rf1 41. Rc4 Rf5 42. Rgg4 Ra3 43. Rc3 Rf2 44. Rgg3 Rb2 (44... Rf4 $16 {was worth a try.} 45. Kh3 Kh5 46. Rg5+ Kh6) 45. Kh3 Ra1 46. Rgf3 $1 {[%cal Rf3f7]} f5 47. Kh2 $1 Kh5 48. Rc8 {aiming for Rh8+.} Kxh4 49. Rh3+ Kg5 {[#]} 50. Rg3+ $1 Kf4 51. Rc4+ Ke5 52. Rxg6 Rxb3 (52... Rf1 $16 53. Rb4 Rf3) 53. Rc5+ Ke4 {[#]} 54. Re6+ $1 Kf4 55. Rf6 Rxa4 $2 (55... Kg5 56. Rfxf5+ (56. Rcxf5+ Kg4 $18) 56... Kg4 57. Rg5+ Kf4 58. g3+ Ke3) 56. Rfxf5+ Ke4 57. Rce5+ Kd4 58. Re2 $2 (58. Rb5 $18 {and White stays clearly on top.}) 58... Ra8 59. Rh5 Rg8 $2 {[%mdl 8192]} (59... Rbb8 $16) 60. Ra2 Rbb8 61. Ra4+ Kc3 62. Rh3+ Kb2 63. Rf4 Kc2 $2 (63... Rbd8 64. g4 Rd2+ 65. Kg3 Rd1) 64. Rf2+ {White is clearly winning.} Kd1 65. Ra3 {Threatening mate with Ra1+.} Ke1 66. Kg1 {Intending Ra1+ and mate.} Ra8 67. Rxa8 Rxa8 {KR-KR} 68. g3 Rg8 69. Kg2 Rg7 70. Rf5 Ke2 71. Rf3 Rg8 72. Ra3 Rg7 73. Ra4 Ke3 74. g4 Rg8 75. Kg3 {Accuracy: White = 74%, Black = 38%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.03"]
[Round "3.6"]
[White "Felgaer, Ruben"]
[Black "Perez Ponsa, Federico"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "2560"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,-15,12,9,18,2,14,14,16,14,14,17,15,10,16,9,6,12,12,12,11,11,12,3,11,9,27,27,40,10,26,0,19,0,5,-15,-12,-9,0,0,24,28,23,25,503,497,505,505,494,484,484,477,4974,2234,29988,455,460,457,461,456,466,460,459,458,466,467,462,452,491,486,492,485]} 1. e4 c6 2. d4 d5 3. Nc3 {[%cal Bb1c3,Bc3e4,Be4c5][%mdl 32]} dxe4 4. Nxe4 Bf5 5. Nc5 e5 6. Nxb7 {B18: Classical Caro-Kann: 4...Bf5 sidelines} Qb6 7. Nc5 $1 exd4 (7... Bxc5 8. dxc5 Qxc5 9. c3 Nf6 10. Be3 Qe7 11. Ne2 O-O 12. Ng3 Rd8 13. Qc1 Bg6 {½-½ (54) Ivanchuk,V (2738)-Navara,D (2737) Prague 2017}) 8. Nb3 {The position is equal.} Bb4+ 9. Bd2 $1 Bxd2+ 10. Qxd2 c5 11. Bd3 Bxd3 12. Qxd3 $146 {And now Qe4+ would win.} ({Predecessor:} 12. cxd3 Ne7 13. Nf3 O-O 14. O-O Nd7 15. Qg5 Rfe8 16. Rfe1 h6 17. Qh5 Qd6 18. Nfd2 Qd5 19. Qxd5 {½-½ (19) Varga,Z (2459)-Korpa,B (2433) Budapest 2015}) 12... Nf6 13. Qe2+ Kf8 14. Nf3 Nbd7 {Hoping for ...Re8.} 15. O-O g6 16. Rfe1 Kg7 17. Qc4 {Black must now prevent Ng5.} Qd6 18. Rad1 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 19. c3 {[%cal Rc3d4]} a4 20. Nc1 {[%cal Rc3d4]} Qd5 21. Qf1 {Played: Qc4-d3} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.04"]
[Round "4.1"]
[White "Slipak, Sergio"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2384"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,50,5,10,-7,0,-2,26,24,18,9,18,16,37,35,31,31,45,52,50,34,72,57,56,29,80,42,42,42,42,46,74,74,74,73,81,15,16,10,25,13,13,0,0]} 1. d4 Nf6 2. c3 b6 3. Bg5 Bb7 4. Bxf6 (4. Nd2 e6 5. Ngf3 Be7 6. g3 c5 7. e3 O-O 8. Bg2 d5 9. O-O Nc6 10. Ne5 Nxe5 11. dxe5 Nd7 12. Bxe7 Qxe7 13. f4 Rad8 {0-1 (41) Slipak,S (2452)-Perez Ponsa,F (2521) Saenz Pena 2014}) 4... gxf6 (4... exf6 5. Nf3 g6 6. Nbd2 f5 7. g3 Bg7 8. Bg2 O-O 9. Nh4 d5 10. e3 Nd7 11. O-O {0-1 (41) Al Sayed,M (2484)-Anton Guijarro,D (2642) St Petersburg 2018}) 5. Nf3 e6 6. g3 {A45: Trompowsky Attack} f5 $146 ({Predecessor:} 6... d5 7. Bg2 Nd7 8. O-O c5 9. c4 dxc4 10. Qa4 a6 11. Qxc4 {1-0 (45) Slipak,S (2457)-Di Giannantonio,N (2397) Montevideo 2018}) 7. Bg2 d6 8. O-O {White has an edge.} Nd7 9. Ne1 d5 10. Nd2 Qf6 11. Nd3 Bd6 12. e3 O-O 13. c4 c6 14. b4 b5 15. cxb5 cxb5 16. Nb3 Rac8 (16... Nb6 $11 {remains equal.}) 17. Nbc5 Bc6 18. Nxd7 Bxd7 19. Nc5 Rc7 20. Qd2 Ra8 21. Rfc1 a5 22. Nxd7 (22. bxa5 $16 Bxc5 23. dxc5) 22... Rxd7 $11 23. bxa5 b4 24. Bf1 {Hoping for Bb5.} Rxa5 25. a4 Rd8 {Accuracy: White = 48%, Black = 36%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.04"]
[Round "4.2"]
[White "Ricardi, Pablo"]
[Black "Felgaer, Ruben"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2493"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,88,0,-1,2,0,0,-8,-7,-33,-25,-43,-29,-77,-66,-170,-174,-169,-33,-30,-36,-18,-17,-15,-27,-25,-31,-84,-88,-84,-94,-100,-71,-73,-75,-200,-186,-230,-226,-227,-229,-228,-228,-339,-346,-402,-403,-407,-428,-429,-421,-581,-373,-1146,-1151,-1124,-428,-1041,-536,-859,-842,-899,-895,-860,-891,-871,-837,-1180,-927,-1718,-1546,-1518,-1345,-5119,-4071]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. d3 d6 6. O-O Be7 7. c3 O-O 8. Nbd2 Qc7 9. Re1 Rb8 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} (9... b6 10. a3 Ne5 11. Nxe5 dxe5 12. a4 Ba6 13. Nc4 Bxc4 14. dxc4 Rad8 15. Qc2 a5 16. Bf1 Ne8 17. Bd3 Qd7 {½-½ (31) Ivanchuk,V (2710)-Akopian,V (2648) Doha 2015}) 10. d4 b5 11. a4 $146 ({Predecessor:} 11. Nf1 Bb7 12. Qe2 Qb6 13. Qd3 Rbc8 14. Bd2 d5 15. e5 Ne4 16. Rad1 a5 {½-½ (69) Tajik,S (1992)-Pourkashiyan,A (2282) Teheran 2008}) 11... cxd4 {The position is equal.} 12. cxd4 bxa4 13. Re3 d5 14. Qc2 Qb6 15. e5 (15. Qxa4 $15 Bd7 16. exd5 Nxd5 17. Re1) 15... Ng4 $19 16. Rc3 Nxd4 (16... Bd7 $1 $19 17. Qxa4 Bb4) 17. Nxd4 $15 Qxd4 {[%mdl 64] Double Attack} 18. Nf3 Qe4 19. Rxa4 Bb4 {Hoping for ...Bd7.} 20. h3 Nh6 {aiming for ...Bd7.} 21. Be3 ({White should play} 21. Bf1 $15 Qxc2 22. Rxc2) 21... Bd7 $36 {[%mdl 2048] Black is really pushing.} 22. Rxa7 Bxc3 23. Qxc3 Qb1+ 24. Kh2 Rfc8 25. Qa3 {[#]} (25. Bc5 $17 {only move.} Bb5 26. b4) 25... Be8 $1 $19 26. Nd4 {White wants to play Nxe6!} Nf5 ({Stronger than} 26... Rxb2 {[#]} 27. Nxe6 $1 {[%mdl 512]} Rb4 28. Bd2 $16) ({Don't do} 26... Qxb2 27. Qd6) 27. Nxf5 Qxf5 28. b4 h6 29. h4 (29. Ra5 {is a better defense.}) 29... Rc4 30. b5 Bxb5 31. Qd6 Rbc8 32. Bh3 Qg6 33. Re7 Be8 34. Bxe6 $2 (34. Bf1 Bc6 35. Rc7 Rxc7 36. Qxc7) 34... fxe6 {Black is clearly winning.} 35. Rxe6 Qf7 (35... Qe4 $142 {...d4 is the strong threat.} 36. Re7 Bf7) 36. Re7 (36. Qxd5 $142 Rc2 37. Rd6) 36... Qf3 {Played: Rc4-c6} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.04"]
[Round "4.3"]
[White "Santiago, Yago De Moura"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "A55"]
[WhiteElo "2479"]
[BlackElo "2441"]
[Annotator "RC"]
[PlyCount "55"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:30]} d6 {[%emt 0:08:41]} 3. Nf3 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 4. Nc3 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 5. e4 {[%emt 0:00:30]} Ngf6 {[%emt 0:00:30]} 6. Be2 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 7. O-O {[%emt 0:10:41]} O-O {[%emt 0:00:30]} 8. Qc2 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 9. Rd1 {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 10. a4 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 11. h3 {[%emt 0:07:50]} exd4 {[%emt 0:00:30]} 12. Nxd4 {[%emt 0:00:30]} Nc5 {[%emt 0:00:30]} 13. Bf4 {[%emt 0:00:30]} Re8 {[%emt 0:00:30]} 14. Bf3 {[%emt 0:00:30]} Qb6 {[%emt 0:16:00]} 15. Rd2 {[%emt 0:00:30]} Bf8 {[%emt 0:00:30]} 16. Rad1 {[%emt 0:06:50]} h6 {[%emt 0:00:30]} 17. Nf5 {[%emt 0:08:03]} Bxf5 {[%emt 0:02:57]} 18. exf5 {[%emt 0:00:30]} Qb4 {[%emt 0:05:40]} 19. Bxd6 {[%emt 0:07:30]} Bxd6 {[%emt 0:01:40]} 20. Rxd6 {[%emt 0:00:30]} Qxc4 {[%emt 0:02:30]} 21. Be2 {[%emt 0:00:30]} Qf4 {[%emt 0:11:40]} 22. R6d4 {[%emt 0:00:30]} Qe5 {[%emt 0:00:30]} 23. Bc4 {[%emt 0:00:30]} Re7 {[%emt 0:08:30]} 24. Ne2 {[%emt 0:27:20]} Rae8 {[%emt 0:09:20]} 25. Nf4 {[%emt 0:00:30]} Kh7 {[%emt 0:00:30]} 26. Bxf7 {[%emt 0:15:00]} Rxf7 {[%emt 0:00:30]} 27. Ng6 {[%emt 0:00:30]} Qe2 {[%emt 0:01:40]} 28. R4d2 {[%emt 0:06:40]} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.04"]
[Round "4.4"]
[White "Mareco, Sandro"]
[Black "Delgado Ramirez, Neuris"]
[Result "1/2-1/2"]
[ECO "D70"]
[WhiteElo "2637"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,41,30,27,20,26,0,0,0,16,13,12,20,31,22,32,0,32,0,1,-47,40,25,14,14,33,38,42,0,0,-8,0,-8,0,0]} 1. Nf3 d5 2. e3 g6 3. c4 Nf6 4. d4 Bg7 5. cxd5 Nxd5 6. e4 {D70: Grünfeld: Unusual White 3rd moves (met by ...d5)} Nb6 7. Nc3 (7. Be2 O-O 8. O-O c5 9. d5 e6 10. Nc3 exd5 11. exd5 Bxc3 12. bxc3 Qxd5 {½-½ (87) Grischuk,A (2772)-Mamedyarov,S (2799) Riadh 2017}) 7... Bg4 8. Be3 Nc6 9. d5 Ne5 $1 10. Be2 Nxf3+ 11. gxf3 Bh3 12. Qb3 $146 ({Predecessor:} 12. Bd4 Bxd4 13. Qxd4 O-O 14. f4 e6 15. O-O-O Qh4 {½-½ (49) Erturan,Y (2381)-Tuncer,T (1996) Kemer 2014}) 12... O-O 13. Rd1 Qc8 14. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} c6 (14... Bg2 $1 $15 15. Rg1 Qh3) 15. a5 $14 Nd7 16. Rg1 Nf6 17. f4 Kh8 18. Bd4 cxd5 {The position is equal.} 19. e5 Ng8 20. Qxd5 Bd7 21. Qc5 {Accuracy: White = 54%, Black = 51%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.04"]
[Round "4.5"]
[White "Granda Zuniga, Julio E"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "D26"]
[WhiteElo "2644"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,52,29,29,0,20,12,33,0,0,8,10,11,20,43,37,0,0,-9,-12,-20,-19,-17,-23,-24,-22,-22,-11,-29,-22,-42,-19,-66,0,-93,-60,-73,-72,-158,-147,-190,-173,-178,-168,-232,-240]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 dxc4 5. Bxc4 a6 6. Qc2 {D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines} (6. O-O c5 7. b3 cxd4 8. Nxd4 Be7 9. Bb2 O-O 10. Nd2 b5 11. Be2 Bb7 12. Bf3 Ra7 13. Rc1 Qd7 14. Qe2 Bxf3 15. N2xf3 Rc8 16. Ne5 Qe8 17. Rxc8 Qxc8 {½-½ (45) Ding,L (2805)-Nakamura,H (2754) Zagreb 2019}) 6... b5 7. Bd3 Bb7 8. Bd2 {White is slightly better.} Nbd7 $146 ({Predecessor:} 8... Bd6 9. a4 b4 10. a5 h6 11. e4 Be7 12. Be3 Nbd7 13. Nbd2 Rc8 {0-1 (46) Samojlov,A-Gabrielian,A Ufa 1996}) 9. Ba5 Bd6 10. Nbd2 e5 11. Ne4 Qe7 12. Nxd6+ cxd6 13. Be2 exd4 14. Nxd4 Bxg2 15. Nf5 Be4 16. Qxe4 $1 Nxe4 ({Don't play} 16... Qxe4 $6 17. Nxd6+ Ke7 18. Nxe4 $16) 17. Nxe7 Kxe7 18. f3 Nec5 19. Kf2 Ne5 20. Rad1 Rhf8 (20... Rhc8 $15) 21. e4 (21. Rd5 $11 {keeps the balance.}) 21... Rac8 22. Ke3 f5 23. exf5 ({Better is} 23. Bc3) 23... Rxf5 $17 {Black is clearly better.} 24. f4 Nc4+ 25. Bxc4 bxc4 26. Bb4 (26. Rhg1 {might work better.}) 26... Nd3 {[%mdl 64] Double Attack. Accuracy: White = 31%, Black = 57%.} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.04"]
[Round "4.6"]
[White "Flores, Diego"]
[Black "Henriquez Villagra, Cristobal"]
[Result "1/2-1/2"]
[ECO "D61"]
[WhiteElo "2608"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,29,11,27,16,20,16,35,18,57,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Be7 7. Qc2 O-O 8. Bd3 h6 9. Bh4 dxc4 10. Bxc4 b5 {D61: Queen's Gambit Declined: Classical: 7 Qc2} 11. Be2 (11. Bd3 a6 12. Ne4 Bb7 13. Bxf6 Nxf6 14. Nxf6+ Bxf6 15. Bh7+ Kh8 16. Be4 Rc8 17. b4 Qe7 18. Rb1 {1-0 (52) Vitiugov,N (2721)-Khismatullin,D (2617) Sochi 2016}) 11... Bb7 12. O-O b4 13. Na4 Qa5 14. Rfc1 $146 ({Predecessor:} 14. a3 bxa3 15. Rfc1 axb2 16. Qxb2 Qc7 17. Bg3 Qc8 18. Nd2 Ba6 {1-0 (42) Zavrazhnov,A (2155)-Shapovalov,D (1759) LSS email 2012}) 14... c5 {The position is equal.} 15. Ne5 g5 {[#]} 16. Ng6 $1 {[%mdl 512]} fxg6 17. Qxg6+ Kh8 18. Bd3 (18. Qxh6+ Nh7 $15) 18... gxh4 19. Qxh6+ Kg8 20. Qg5+ Kh8 21. Qxh4+ Kg8 22. Qg5+ Kh8 23. Qh6+ Kg8 {White must now prevent ...Rf7.} 24. Qg6+ Kh8 25. Nxc5 Nxc5 26. Qh6+ Kg8 27. Qg5+ {[%mdl 64] [#] Pin} Kh8 28. Qh4+ Kg8 29. Qg3+ Kh8 30. Qh4+ Kg8 31. Qg5+ {[%mdl 64] Pin} Kh8 32. Qh6+ Kg8 33. Qg6+ Kh8 34. dxc5 {Strongly threatening Rc4.} Ba6 {aiming for ...Bxd3.} 35. Qh6+ Kg8 36. Qg5+ Kh8 37. Qh4+ Kg7 38. Qg5+ Kh8 39. Qh6+ Kg8 40. Qg6+ Kh8 {Hoping for ...Bxd3.} 41. Qh6+ Kg8 42. Qg6+ Kh8 {Threatens to win with ...Bxd3.} 43. Qh6+ {Accuracy: White = 70%, Black = 94%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.05"]
[Round "5.1"]
[White "Henriquez Villagra, Cristobal"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2593"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,93,60,60,55,62,58,29,62,70,62,44,54,38,85,68,97,75,126,104,87,68,62,61,85,79,76,67,76,72,93,84,109,101,91,26,30,29,46,48,34,36,34,37,39,39,45,14,14,2,141,129,139,69,64,39,79,88,50,58,62,0,48,50,164,154,191,199,201,184,1270,1289,877,352,705,345,354,358,520,501,848,848,923,896,1281,1180]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg4 6. h3 Bxf3 {B01: Scandinavian Defence} 7. Qxf3 c6 8. g4 (8. Be3 e6 9. O-O-O Bb4 10. Ne4 Nxe4 11. Qxe4 Qd5 12. Qxd5 cxd5 13. c4 dxc4 14. Bxc4 {1-0 (41) Dominguez Perez,L (2739)-Pichot,A (2552) chess.com INT 2018}) 8... e6 {White has an edge.} 9. g5 Nd5 10. Ne4 $146 ({Predecessor:} 10. Nxd5 Qxd5 11. Qxd5 cxd5 12. Bf4 Nc6 13. O-O-O h6 14. gxh6 {0-1 (26) Rakhmangulova,A (2161)-Bulavin,A (2221) Kirov 2015}) 10... Qb6 11. c3 Nd7 12. a3 Qa5 13. Bd2 N5b6 (13... Qb6 $142) 14. c4 Qf5 15. Qxf5 exf5 16. Nc3 O-O-O 17. c5 Nd5 18. Bc4 g6 19. O-O-O Bg7 20. Bxd5 ({Reject} 20. Nxd5 $6 cxd5 21. Ba2 Nf8 $11) 20... cxd5 21. Nb5 {Nd6+ is the strong threat.} ({Much less strong is} 21. Nxd5 Nb8 $11) 21... Nf8 22. Nxa7+ (22. Ba5 $1 $16) 22... Kd7 $1 $11 23. Nb5 Ne6 24. Nd6 $36 {[%mdl 2048] White has some pressure.} Rhf8 25. Nxb7 Rb8 26. Na5 Bxd4 27. Bb4 {Threatens to win with c6+.} Kc7 28. Nb3 Bxf2 29. Rxd5 Kc6 (29... Rfd8 $11 {remains equal.} 30. Rxd8 Nxd8) 30. Rd6+ $1 $16 Kb5 {[%cal Re6c5]} 31. Rd7 ({Better is} 31. Kc2 $16 {And now Kc3 would win.} Rfd8 32. Rhd1) 31... Rfc8 32. Rhd1 Rc7 33. Rxc7 Nxc7 34. Kc2 Ne6 35. Bd2 ({White should try} 35. Rd6 $14) 35... Nxc5 36. Nxc5 Bxc5 $11 {[%mdl 4096] Endgame [#] KRB-KRB} (36... Kxc5 $14 37. Bb4+ Kc6) 37. b4 $1 $18 {[%cal Rb4c5]} Bf2 38. Bf4 Re8 {[#]} 39. Kb3 $1 Re4 $2 (39... Ka6 40. Rd6+ Kb7) 40. Rd6 {[%csl Gb3][%cal Ra3a4]} Bb6 41. a4+ Ka6 42. Bd2 (42. a5 $142) 42... Kb7 43. Rd7+ Bc7 (43... Kc6 $142 44. Rxf7 Be3) 44. Rxf7 {White is clearly winning.} Rh4 (44... Kb8 $142 45. Rxh7 Be5) 45. a5 Rxh3+ 46. Kc4 Kc8 47. b5 {Accuracy: White = 66%, Black = 42%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.05"]
[Round "5.2"]
[White "Pichot, Alan"]
[Black "Flores, Diego"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2588"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,79,14,23,19,21,14,20,0,0,20,6,-14,19,27,29,0,0,0,0,0,0,0,55,26,57,54,80,75,71,76,114,103,107,100,171,166,237,227,345,341,306,240,240,125,113,133,141,64,239,245,251,245,242,232,334,189,693,272,372,414,908,888,875,811,29989,29990,29993,29981]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. a4 h6 8. Re1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 (8... a5 9. d4 Ba7 10. h3 g5 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Qxd8+ Kxd8 14. Bxf7 g4 15. hxg4 Nxg4 {½-½ (25) Vachier Lagrave,M (2778)-Anand,V (2756) Saint Louis 2019}) 9. b4 O-O 10. h3 {The position is equal.} Ne7 {[%cal Bc6e7,Be7g6,Bg6f4][%mdl 32]} 11. Nbd2 Ng6 12. Nf1 Nh5 13. d4 Nhf4 $146 ({Predecessor:} 13... Qf6 14. Be3 Nhf4 15. Ng3 Be6 16. Ba2 {1-0 (79) Rosenova Marinova,K (2150)-Skonieczna,B (2352) ICCF email 2012}) 14. Bxf4 Nxf4 15. dxe5 Be6 16. Bxe6 fxe6 17. Ra2 d5 ({Black should play} 17... Qe8 $11) 18. Rd2 $14 Qe8 19. Nd4 (19. exd5 Qg6 $11) 19... Rd8 20. Qg4 h5 21. Qg5 a5 {Black wants to play ...axb4.} 22. b5 Bc5 23. Nf5 $40 {[%mdl 128] Black is in trouble.} exf5 (23... Ng6 $16) 24. exf5 $18 Qf7 (24... Ne6 {was necessary.} 25. fxe6 Qxe6) 25. Ng3 $1 (25. Qxf4 Qxf5 26. Qxf5 Rxf5 $14) 25... h4 (25... Ne6 $142 26. fxe6 Qf4) 26. Qxh4 Ng6 27. fxg6 Qxg6 28. Qg4 (28. Ne4 $18 dxe4 29. Rxd8 Bxf2+ 30. Qxf2 Rxd8 31. Qc2) 28... Qxg4 $16 29. hxg4 Rf4 30. e6 (30. Nf5 $1 $16) 30... Rdf8 $2 {[#]} (30... c6 $14) 31. Nf5 $1 $18 g6 {[#]} 32. g3 $1 Rc4 33. Ne3 ({Not} 33. Rxd5 gxf5 34. Kg2 (34. Rxf5 Be7 $15) (34. gxf5 Kg7 $11) 34... Kg7 $11) 33... Rxc3 (33... Re4 {is a better defense.} 34. Rxd5 b6) 34. Rxd5 (34. Nxd5 $142 Rxg3+ 35. Kh2 (35. Kf1 Rd3 $18) 35... Rxg4 36. e7 Bxe7 37. Rxe7) 34... Bb6 $2 (34... Bxe3 35. Rxe3 Rxe3 36. fxe3 Re8) 35. Kg2 $2 (35. e7 {Threatens to win with Rd8!} Re8 36. Rd8) 35... Re8 36. Re5 Ra3 (36... Bxe3 $142 37. R1xe3 Rc4) 37. Nd5 {aiming for Nf6+.} Kg7 38. g5 {Strongly threatening Nf6.} Rxa4 39. Nf6 Rh8 40. e7 {Accuracy: White = 62%, Black = 39%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.05"]
[Round "5.3"]
[White "Delgado Ramirez, Neuris"]
[Black "Granda Zuniga, Julio E"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2619"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,27,11,18,11,13,19,28,34,47,39,47,45,42,29,50,45,43,33,38,36]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nd3 $146 (4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6 8. Qd2 Bf5 9. O-O-O Qd7 10. Bc4 Bf6 11. Nd4 Nxd4 12. Bxd4 Bxd4 13. Qxd4 O-O 14. Rhe1 b6 15. Bd5 Rae8 16. Qc4 {½-½ (30) Vachier Lagrave,M (2774)-Yu,Y (2763) Khanty-Mansiysk 2019}) 4... Nxe4 5. Qe2 Qe7 6. Nf4 {[#] Strongly threatening Nd5. C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Nf6 7. Nc3 Bf5 8. Nfd5 {White has an edge.} Nxd5 9. Nxd5 Qxe2+ 10. Bxe2 Kd8 11. Ne3 Be6 12. d4 {White is slightly better.} d5 13. O-O Nc6 14. c3 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.05"]
[Round "5.4"]
[White "Hoffman, Alejandro"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "E51"]
[WhiteElo "2441"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,88,-12,-13,-7,-8,-7,-18,-19,-33,-27,-18,-15,-37,-34,-48,-29,-29,-40,-33,-25,-43,-47,-45,-44,-45,-37,-62,-70,-83,-85,-81,-72,-79,-66,-127,-123,-132,-124,-127,-108,-142,-146,-143,-129,-166,-151,-179,-191,-189,-191,-184,-172,-179,-187,-205,-211,-228,-228,-213,-212,-340,-340,-334,-331,-645,-645,-645,-642,-593,-568,-1347,-1201,-959,-811,-924,-900]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 d5 5. e3 O-O 6. Nf3 b6 7. Be2 Bb7 8. O-O Bd6 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} (8... Nbd7 9. Nxd5 Bxd2 10. Nxf6+ Qxf6 11. Nxd2 c5 12. Bf3 Bxf3 13. Qxf3 Rfd8 14. Qxf6 Nxf6 15. Nf3 Ne4 16. Rfd1 {1-0 (55) Miton,K (2592)-Huschenbeth,N (2589) Czech Republic 2018}) 9. Qc2 a6 10. Rad1 $146 ({Predecessor:} 10. cxd5 exd5 11. Rfc1 Nbd7 12. Bf1 Qe7 13. g3 c5 14. Bg2 {0-1 (29) Humburg,P (2244)-Grigorian,S (2384) Karlsruhe 2019}) 10... Nbd7 {The position is equal.} 11. cxd5 exd5 12. Bc1 Qe7 13. Rfe1 Rac8 14. g3 Rfe8 15. Bf1 Ne4 16. Bh3 Rcd8 17. Nh4 g6 18. f3 Nxc3 19. bxc3 c5 20. Bd2 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 21. Ng2 Nb6 {[%cal Bd7b6,Bb6c4,Bc4d2][%mdl 32]} 22. Nf4 Nc4 23. Nd3 Nxd2 24. Qxd2 (24. Rxd2 $15 c4 25. Nf2) 24... c4 $17 25. Nf2 {[#]} b4 $1 26. Re2 f5 27. Bg2 {[#]} f4 $1 {[%mdl 512]} 28. gxf4 {[#]} (28. exf4 Qxe2) 28... Bxf4 $1 {[%mdl 512]} 29. Rde1 (29. exf4 Qxe2) 29... Bd6 30. e4 bxc3 31. Qc2 Qh4 32. e5 {[#]} Be7 $1 33. Qxc3 Bc8 34. f4 Qxf4 35. Nd1 Be6 36. Ne3 Qh4 37. Rb1 (37. Rf2 $142) 37... Bg5 38. Rb6 Rb8 39. Nxd5 $2 (39. Rbb2 Red8 40. Nf1) 39... Rxb6 $19 {Black is clearly winning.} 40. Nxb6 Rb8 41. Rb2 Bd8 42. Na4 Rxb2 {[%mdl 64] Overworked Piece} 43. Qxb2 Qe1+ 44. Bf1 Bg5 {Accuracy: White = 39%, Black = 92%.} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.05"]
[Round "5.5"]
[White "Felgaer, Ruben"]
[Black "Santiago, Yago De Moura"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "2560"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,94,10,12,22,0,35,5,5,0,0,0,1,0,0,0,0,-2,0,0,0,0,0,-7,0,-14,0,-18,0,-18,33,31,22,28,20,30,25,33,64,35,27,0,91,89,89,96,81,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,11,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 O-O 8. Nf3 c5 9. dxc5 Nxc5 {C14: French: Classical System: 4 Bg5 Be7 main line} (9... Nc6 10. Bd3 f6 11. exf6 Qxf6 12. g3 Nxc5 13. O-O Bd7 14. Bb5 Ne7 15. Bxd7 Nxd7 16. Qd2 Nc5 17. Rae1 Rac8 18. Ne5 Rfd8 19. Rf2 Nf5 20. Ng4 Qg6 21. Ne5 Qf6 22. Ng4 Qg6 23. Ne5 {½-½ (23) Kovchan,A (2587)-Danin,A (2559) Dresden 2017}) 10. Bd3 {Black must now prevent Bxh7+!} f6 11. O-O Nc6 12. Qe2 Bd7 13. Rae1 f5 $146 ({Predecessor:} 13... Nxd3 14. Qxd3 f5 15. Ne2 Rfc8 16. c3 b5 17. b4 a6 18. Ra1 Be8 {0-1 (72) Varnam,L (2107)-Anderson,J (2189) Torquay 2013}) 14. Qe3 a6 {[%cal Ba7a6,Ba6a5][%mdl 32]} 15. a3 b5 16. Ne2 b4 17. axb4 Nxb4 18. Ned4 Rfb8 19. Be2 a5 20. Ra1 a4 21. Qa3 Qf8 22. c4 Nb3 ({Black should play} 22... Ne4 $11) 23. Nxb3 $14 axb3 24. Qxb3 Qc5+ 25. Kh1 Rxa1 26. Rxa1 Bc6 27. Qc3 Qf2 $1 {[%cal Rf2e2]} 28. Nd4 {[#] Threatens to win with Rf1.} dxc4 (28... Nc2 $1 $11 {remains equal.} 29. Qxc2 (29. Nxc6 Nxa1 30. Nxb8 Qxe2 $15) (29. Nxc2 $2 d4 $19) 29... Qxd4) 29. Nxc6 $16 Nxc6 30. Bxc4 Nd4 31. Rd1 (31. b4 $16 {And now Rf1 would win.} Qxf4 32. Rd1) 31... Qxb2 $11 {The position is equal.} 32. Qxb2 ({Not} 32. Qxd4 $2 Qxd4 33. Bxe6+ {[#]} Kh8 $1 $19 {[%mdl 512]}) 32... Rxb2 {[%mdl 4096] Endgame KRB-KRN} 33. h3 Ne2 34. Bxe6+ Kf8 35. Rd7 {Hoping for Rf7+.} Nxf4 36. Bxf5 Nxg2 37. e6 Nf4 38. Rf7+ Ke8 39. Rxg7 Re2 40. Rxh7 Nxe6 41. Bg4 Re5 42. Kh2 Kf8 43. Kg3 Ng7 44. Rh8+ Kf7 45. h4 Kg6 46. Bf3 Nh5+ 47. Kh3 Nf6 {Accuracy: White = 48%, Black = 71%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.05"]
[Round "5.6"]
[White "Perez Ponsa, Federico"]
[Black "Ricardi, Pablo"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2560"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,91,33,35,48,46,47,50,47,43,46,64,61,66,58,71,71,64,70,83,89,111,84,126,64,95,63,134,119,117,114,120,123,112,111,116,106,129,130,133,115,132,130,141,121,150,152,170,161,215,204,205,207,209,204,228,207,230,201,314,320,361,362,568,582,575,573,538,512,531,523,471,412,796,796,750,456,447,425]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Nc4 {B33: Sicilian: Pelikan and Sveshnikov Variations} Rb8 10. a3 $146 ({Predecessor:} 10. a4 h6 11. Bxf6 Qxf6 12. Nd5 Bxd5 13. exd5 Na7 14. Be2 Be7 15. O-O Bd8 16. Qd2 O-O {½-½ (48) Brkic,A (2563)-Mamedov,R (2703) Skopje 2018}) 10... Nd4 11. Bxf6 {White is slightly better.} Qxf6 12. Ne3 Qg6 13. Bd3 Be7 14. O-O O-O 15. Ncd5 Bd8 16. c3 Nc6 17. Nf5 Kh8 18. Bc2 Bg5 19. Qd3 ({Don't do} 19. Nxd6 $6 Bxd5 20. exd5 (20. Qxd5 $2 Rbd8 $19) 20... Qxd6 $14) (19. Re1 $16) 19... Rbd8 20. Rad1 h5 ({Black should play} 20... Qh5 $1 $14) 21. Qe2 Qh7 22. Nb6 g6 23. Nxd6 Nd4 {[#]} 24. Nxf7+ $1 Qxf7 25. cxd4 Rxd4 26. Rxd4 exd4 {[#]} 27. Nd5 $1 {[%mdl 512]} Bh6 (27... Bxd5 28. exd5) 28. Qd3 Bg7 29. Bb3 Bd7 30. f4 Bb5 31. Bc4 Bxc4 (31... Bc6 {might work better.} 32. g3 a5) 32. Qxc4 $18 Qe6 33. Qd3 Re8 34. Re1 {And now Nc7 would win.} Qc6 35. h3 b5 36. Qf3 Rd8 (36... Qc2 $142 37. f5 d3) 37. Nb4 Qc4 38. Nd3 Qc2 (38... Rc8 $142 39. Rc1 Qg8 40. Rxc8 Qxc8) 39. e5 Rf8 40. e6 {Played: Qf3-e4} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.06"]
[Round "6.1"]
[White "Slipak, Sergio"]
[Black "Ricardi, Pablo"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2384"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,32,12,7,55,37,35,23,23,9,0,0,0,0,0,0,0,0,0,-14,-14,-14,-16]} 1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. Nc3 dxc4 5. e3 c5 6. Bxc4 a6 7. O-O cxd4 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} (7... b5 8. Be2 Nbd7 9. d5 exd5 10. Nxd5 Bb7 11. Nxf6+ Qxf6 12. a4 b4 13. e4 h6 14. Qc2 Bd6 15. Be3 O-O 16. Nd2 {½-½ (30) Radjabov,T (2758)-Ding,L (2811) Khanty-Mansiysk 2019}) 8. Qxd4 Qxd4 9. Nxd4 Bd7 {White has an edge.} 10. b3 $146 ({Predecessor:} 10. Rd1 Nc6 11. a3 Rc8 12. Nxc6 Bxc6 13. Bf1 Be7 14. b4 Nd5 15. Nxd5 Bxd5 16. Bb2 f6 17. Rac1 Kf7 18. f3 Rhd8 19. Rxc8 Rxc8 20. Rc1 Rxc1 21. Bxc1 f5 22. Bb2 g5 23. Bd3 h6 {½-½ (23) Vincent,S (2235)-Koch,J (2453) France 2008}) 10... Nc6 {The position is equal.} 11. Nxc6 Bxc6 12. Bb2 Be7 13. Rfd1 O-O 14. Be2 Rfd8 15. Rxd8+ Rxd8 16. Rd1 Rxd1+ 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.06"]
[Round "6.2"]
[White "Santiago, Yago De Moura"]
[Black "Perez Ponsa, Federico"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2479"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,85,5,7,16,0,0,0,0,0,0,0,0,0,0,0,-5,-31,0,-47,-47,-72,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,13,15,16,32,32,9,20,22,141,149,246,253,244,0,253,238,229,220,289,275,293,290,702,117,641,631,1480,1651,1651,1641,1629,1633,1486,1466,1370,1327,1210,1158]} 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 d4 7. e3 c5 {A14: English Opening: 1...e6 with b3 by White} 8. exd4 cxd4 9. d3 (9. Re1 Nc6 10. Bb2 Bd6 11. Nxd4 Nxd4 12. Bxd4 Bxg3 13. hxg3 Qxd4 14. Nc3 Ng4 15. Qf3 f5 16. Nb5 Qb6 17. Qf4 e5 18. Rxe5 Nxe5 19. Qxe5 {1-0 (37) Artemiev,V (2761)-Korobov,A (2687) Poikovsky 2019}) 9... Nc6 {The position is equal.} 10. Ba3 Nd7 11. Bxe7 Qxe7 12. a3 a5 13. Nbd2 Nc5 14. Qe2 e5 15. Ne1 (15. b4 $5 axb4 16. axb4 $17) 15... Bf5 $146 ({Predecessor:} 15... Re8) 16. Rb1 Bg6 ({Better is} 16... Rae8 $17) 17. f4 $11 exf4 18. Qxe7 Nxe7 {[%cal Bc6e7,Be7f5,Bf5e3][%mdl 32]} 19. Rxf4 Rfd8 20. Ne4 Ne6 21. Rf2 Nf5 22. Bh3 Ne3 23. Bxe6 fxe6 24. Nc5 Rd6 25. Nxb7 Rb6 $1 {[%cal Rb6b7]} 26. Nc5 $36 {[%mdl 2048] White has the initiative.} Nxc4 27. Nc2 Rc8 28. Rbf1 {And now Nd7 would win.} h5 {[#]} (28... Ne3 $11 29. Nd7 Rbb8 30. Nxb8 Nxf1 31. Nxd4 Rxb8) 29. Nd7 $1 $16 (29. bxc4 Rxc5 30. Nxd4 Bxd3 $15) 29... Rb7 (29... Rxb3 $16 30. dxc4 Rxc4) 30. Rf8+ $18 ({Stronger than} 30. bxc4 Rxd7 31. Rd1 e5 $11) 30... Rxf8 31. Rxf8+ Kh7 32. Nc5 {[%mdl 64] Double Attack} (32. bxc4 Rxd7 33. Ne1 e5 $11) 32... Rb5 {[#] Strongly threatening ...Nxa3.} 33. Rc8 $1 ({Not} 33. bxc4 Rxc5 34. Ne1 (34. Nxd4 Bxd3 35. Nxe6 Rxc4 $11) 34... Bf5 $11) ({Inferior is} 33. Nxe6 Rxb3 34. dxc4 d3 $11) 33... Ne5 34. Nxd4 {[%mdl 64] Double Attack} Rb6 35. Ncxe6 Nxd3 $2 (35... h4 36. Ng5+ Kh6) 36. Ng5+ Kh6 37. h4 {White is clearly winning.} a4 38. Rh8+ Bh7 39. Nf5+ Kg6 40. Ne7+ Kf6 41. Nd5+ {[%mdl 64] Double Attack} Kf5 42. Nxb6 axb3 43. Nc4 {Accuracy: White = 76%, Black = 54%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.06"]
[Round "6.3"]
[White "Mareco, Sandro"]
[Black "Felgaer, Ruben"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2637"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,50,39,48,42,41,0,0,0,0,0,0,0,10,-28,-28,-52,-45,-59,-58,-49,-59,-72,-72,-64,-67,-70,-66,-64,-59,-71,-52,-39,-50,-50,-45,-61,-27,-37,-19,-19,-13,-18,-14,-35,-4,-6,-8,-25,-16,-47,-50,-59,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 g6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 a5 {B36: Sicilian: Maroczy Bind: Gurgenidze System} (10... Bd7 11. f3 Bc6 12. O-O a5 13. b3 Nd7 14. Rab1 Nc5 15. Rfd1 Qc7 16. Bf1 Rfc8 17. Kh1 Qb6 18. a3 Qc7 19. Nd5 Qd8 20. Bg5 Bxd5 21. exd5 a4 22. b4 Nb3 23. Qe3 Bf6 {0-1 (51) Bu,X (2722)-Jones,G (2622) Hengshui 2019}) 11. Rd1 a4 12. c5 Be6 13. cxd6 Qxd6 14. Qxd6 exd6 15. a3 Rfd8 16. f3 $146 ({Predecessor:} 16. Bb6 Rd7 17. O-O Bb3 18. Rd2 {0-1 (56) Szelag,M (2466)-Kanarek,M (2519) Poland 2017}) 16... Bb3 17. Rd2 d5 18. e5 Nh5 $1 19. g4 Bxe5 {Strongly threatening ...d4.} 20. gxh5 d4 {[%mdl 64] [#] Double Attack} 21. Bg5 {And now Ne4 would win.} f6 22. Nxa4 {Nc5 is the strong threat.} fxg5 23. Nc5 $1 {[%cal Rc5b3]} Bf7 24. Nd3 Bf6 25. hxg6 Bxg6 26. O-O Rac8 27. Kg2 Re8 {[#] aiming for ...Rxe2+!} 28. Nf2 Be5 {Hoping for ...Bf4.} 29. Bb5 Red8 {White must now prevent ...Bf4.} 30. Bd3 Bf4 31. Re2 Bxd3 (31... Kf7 {feels hotter.} 32. Rd1 Rc7 33. h3 Kf6 34. Bxg6 Kxg6 35. Nd3 Be3) 32. Nxd3 Be3 33. Rd1 Kg7 34. Nf2 h5 35. Rd3 Re8 (35... b5 $15) 36. Nd1 $11 {The position is equal.} Bf4 37. Rxe8 Rxe8 38. Rxd4 {KRB-KRN} Re2+ 39. Kf1 Rxh2 40. Rd7+ Kg6 41. Rxb7 Rh1+ 42. Ke2 Rh2+ 43. Kf1 $1 {Accuracy: White = 63%, Black = 67%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.06"]
[Round "6.4"]
[White "Granda Zuniga, Julio E"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2644"]
[BlackElo "2441"]
[Annotator "RC"]
[PlyCount "50"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:30]} d5 {[%emt 0:09:55]} 4. e3 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 5. b3 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 6. Bd3 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 7. O-O {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 8. Bb2 {[%emt 0:00:30]} dxc4 {[%emt 0:00:30]} 9. bxc4 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 10. Nbd2 {[%emt 0:06:01]} Nc6 {[%emt 0:00:30]} 11. Rc1 {[%emt 0:14:40]} Re8 {[%emt 0:07:00]} 12. Bb1 {[%emt 0:05:30]} cxd4 {[%emt 0:08:00]} 13. exd4 {[%emt 0:00:30]} Bf8 {[%emt 0:00:30]} 14. Qe2 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 15. Rfd1 {[%emt 0:00:30]} Bh6 {[%emt 0:09:30]} 16. h4 {[%emt 0:16:59]} Nh5 {[%emt 0:00:30]} 17. a3 {[%emt 0:06:00]} Rc8 {[%emt 0:13:01]} 18. g3 {[%emt 0:08:51]} Qc7 {[%emt 0:10:49]} 19. Qe1 {[%emt 0:08:14]} Na5 {[%emt 0:09:06]} 20. Ng5 {[%emt 0:00:30]} Bg7 {[%emt 0:19:30]} 21. Ba2 {[%emt 0:00:30]} Rcd8 {[%emt 0:06:50]} 22. Qe3 {[%emt 0:08:40]} Nc6 23. Ndf3 {[%emt 0:00:30]} h6 24. Ne4 {[%emt 0:00:30]} f5 25. Ned2 {[%emt 0:00:30]} Nxg3 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.06"]
[Round "6.5"]
[White "Flores, Diego"]
[Black "Delgado Ramirez, Neuris"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2608"]
[BlackElo "2619"]
[Annotator "ChessBase"]
[PlyCount "118"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} b6 {[%emt 0:09:25]} 2. d4 {[%emt 0:00:30]} e6 {[%emt 0:13:10]} 3. Nc3 {[%emt 0:00:30]} Bb4 {[%emt 0:00:30]} 4. e3 {[%emt 0:07:31]} Bxc3+ {[%emt 0:00:30]} 5. bxc3 {[%emt 0:00:30]} Ne7 {[%emt 0:00:30]} 6. Bd3 {[%emt 0:06:59]} Nbc6 {[%emt 0:05:30]} 7. Qg4 {[%emt 0:17:31]} O-O {[%emt 0:00:30]} 8. Qh4 {[%emt 0:17:00]} f5 {[%emt 0:00:30]} 9. Nf3 {[%emt 0:06:00]} Ng6 {[%emt 0:04:30]} 10. Qh5 {[%emt 0:00:30]} Qe8 {[%emt 0:00:30]} 11. g4 {[%emt 0:08:30]} Bb7 {[%emt 0:00:30]} 12. Rg1 {[%emt 0:12:30]} Nb4 {[%emt 0:02:50]} 13. cxb4 {[%emt 0:00:30]} Bxf3 {[%emt 0:00:30]} 14. Qh3 {[%emt 0:04:20]} fxg4 {[%emt 0:00:30]} 15. Rxg4 {[%emt 0:00:30]} Bxg4 {[%emt 0:00:30]} 16. Qxg4 {[%emt 0:00:30]} e5 {[%emt 0:08:14]} 17. Bb2 {[%emt 0:00:30]} Qf7 {[%emt 0:09:06]} 18. Qg3 {[%emt 0:00:30]} Qe7 {[%emt 0:00:30]} 19. c5 {[%emt 0:03:50]} e4 {[%emt 0:03:30]} 20. Bc4+ {[%emt 0:00:30]} Kh8 {[%emt 0:00:30]} 21. Qxc7 {[%emt 0:00:30]} Qf6 {[%emt 0:00:30]} 22. Qg3 {[%emt 0:00:30]} bxc5 {[%emt 0:07:50]} 23. bxc5 {[%emt 0:00:30]} Rab8 {[%emt 0:00:30]} 24. Bc3 {[%emt 0:00:30]} Nh4 {[%emt 0:00:30]} 25. Rc1 {[%emt 0:00:30]} Nf5 {[%emt 0:00:30]} 26. Qg2 {[%emt 0:00:30]} Rbe8 {[%emt 0:00:30]} 27. Ke2 {[%emt 0:00:30]} d5 {[%emt 0:04:20]} 28. cxd6 {[%emt 0:00:30]} Nxd6 {[%emt 0:00:30]} 29. d5 {[%emt 0:00:30]} Qf3+ {[%emt 0:00:30]} 30. Qxf3 {[%emt 0:00:30]} exf3+ {[%emt 0:00:30]} 31. Kd3 {[%emt 0:00:30]} Ne4 {[%emt 0:06:00]} 32. Be1 {[%emt 0:00:30]} Rf5 {[%emt 0:09:30]} 33. Bb3 {[%emt 0:00:30]} Rg5 {[%emt 0:00:30]} 34. h4 {[%emt 0:00:30]} Rg1 {[%emt 0:00:30]} 35. Ba4 {[%emt 0:00:30]} Rxe1 {[%emt 0:00:30]} 36. Rxe1 {[%emt 0:00:30]} Nxf2+ {[%emt 0:04:20]} 37. Kc3 {[%emt 0:00:30]} Re5 {[%emt 0:00:30]} 38. Bb3 {[%emt 0:04:30]} Ng4 {[%emt 0:00:30]} 39. Kd4 {[%emt 0:00:30]} Rf5 {[%emt 0:02:40]} 40. d6 {[%emt 0:00:30]} Rf8 {[%emt 0:04:34]} 41. e4 f2 42. Rf1 Nh2 43. Bc4 Nxf1 44. Bxf1 Kg8 45. Bc4+ Kh8 46. Bf1 Kg8 47. e5 Kf7 48. Kd5 Ke8 49. e6 a6 50. a4 Rf3 51. a5 Ra3 52. Kc6 Rxa5 53. Bd3 g6 54. h5 Rxh5 55. Bxa6 Rh1 56. Bb5 f1=Q 57. Kc7+ Qxb5 58. d7+ Ke7 59. d8=Q+ Kxe6 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.06"]
[Round "6.6"]
[White "Henriquez Villagra, Cristobal"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2593"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,29,-12,0,-1,0,0,0,0,0,-8]} 1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. Bd3 Bd6 5. O-O O-O 6. Nbd2 c5 7. c3 Nbd7 8. e4 cxd4 9. cxd4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 {The position is equal.} 12. Bg5 {D05: Colle System with ...e6} h6 (12... Bd7 13. Ne5 Bb5 14. Ng4 Be7 15. Nxf6+ Bxf6 16. Bxf6 gxf6 17. Re1 f5 18. Bxb7 Rb8 19. Bf3 Bc4 {½-½ (70) Georgiev,V (2566)-Riff,J (2499) Mulhouse 2010}) 13. Bxf6 $1 Qxf6 14. Rc1 e5 $146 ({Predecessor:} 14... Rb8 15. Qe2 Qf4 16. Rc3 Qg4 17. Rfc1 Qh5 18. R1c2 g6 19. Ne5 Qxe2 20. Rxe2 {0-1 (65) Meul,W (1883)-Zimmermann,M (1978) Binz 2016}) 15. dxe5 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.07"]
[Round "7.1"]
[White "Pichot, Alan"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2588"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,45,49,41,33,37,37,29,32,29,33,32,29,5,52,47,77,104,116,133,117,110,96,62,64,47,47,43,43,44,686,649]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nd6 7. O-O Be7 8. Bf4 O-O 9. Re1 Nd7 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 10. a4 $146 {[%cal Ba2a4,Ba4a5][%mdl 32]} ({Predecessor:} 10. Nbd2 Nf6 11. h3 Re8 12. Re5 Bf8 13. b3 c6 14. c4 Nde4 15. Qc2 Nxd2 16. Bxd2 h6 17. Rxe8 Qxe8 {1-0 (39) Vallejo Pons,F (2697)-Siebrecht,S (2421) Germany 2011}) 10... Re8 11. a5 a6 {White has an edge.} 12. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32]} Nf6 13. Ne5 Be6 14. Qf3 c6 15. Na4 $1 Qxa5 16. Nc5 Qd8 17. Nxe6 fxe6 18. Qh3 $36 {[%mdl 2048] White has strong initiative.} Bf8 19. Ng4 {[#] Strongly threatening Nxf6+.} Nde4 $1 20. f3 Nxg4 21. fxe4 Nf6 $1 22. Bg5 {[%mdl 1024] Threatens to win with e5. White has compensation.} h6 $2 {[%mdl 8192] [#]} (22... Qd7 $14) 23. e5 {Accuracy: White = 55%, Black = 53%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.07"]
[Round "7.2"]
[White "Delgado Ramirez, Neuris"]
[Black "Henriquez Villagra, Cristobal"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2619"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,81,-10,0,-17,0,-2,2,-32,0,0,0,-46,-49,-72,-67,-87,-35,-39,-38,-35,0,-51,0,-56,-56,-59,-14,-66,-47,-49,-43,-80,-66,-81,-52,-57,-58,-57,-20,-23,-32,-43,-37,-37,-36,-51,-51,-70,-65,-65,-65,-66,-65,-62,-30,-30,-30,-30,-30,-44,0,0,0,0,0,0,0,0,0,-21,-21,-21]} 1. b3 Nf6 2. Bb2 g6 3. g3 Bg7 4. Bg2 d6 5. c4 e5 6. Nc3 O-O 7. e4 {A01: Nimzowitsch-Larsen Opening} (7. e3 c6 8. d4 exd4 9. Qxd4 Bf5 10. Qd2 Nbd7 11. Nge2 Ne5 12. O-O Bh3 13. Rad1 Bxg2 14. Kxg2 Qa5 15. Qxd6 {1-0 (28) Hou,Y (2658)-Inarkiev,E (2732) Petropavlovsk Kamchatsky 2016}) 7... Nc6 8. Nge2 h5 9. h3 Nd4 $146 ({Predecessor:} 9... Nh7 10. d3 f5 11. Nd5 h4 12. exf5 gxf5 {1-0 (38) Genova,L (2221)-Padurariu,I (2212) Meci 2007}) 10. d3 c5 11. Nxd4 (11. Bc1 {with more complications.} Bd7 12. O-O h4 13. Bd2 Ne6 14. a4) 11... cxd4 12. Ne2 {[#]} h4 $1 {[%mdl 512]} 13. g4 (13. gxh4 Nh5) 13... b5 (13... g5 $17) 14. O-O bxc4 15. bxc4 g5 16. Ba3 ({White should try} 16. Nxd4 $1 $11 exd4 17. e5 Nxg4 18. Bxa8 Nxe5 19. Bg2) 16... Re8 (16... Nh7 $15) 17. Qd2 (17. Nxd4 $1 $11 exd4 18. e5 $1 {[%mdl 576] Discovered Attack} Rxe5 19. Bxa8 Bxg4 20. hxg4 Qxa8 21. f3 (21. Bxd6 Re6 $11)) 17... Nh7 $15 18. Rab1 Bf8 19. Rb3 ({Better is} 19. Nxd4 $11 exd4 {[#]} 20. e5 $1 {[%mdl 512]}) 19... Be6 20. Rfb1 Be7 21. Bf3 Nf8 22. Kh2 Nd7 23. Ng1 Qc8 24. Rb5 Rb8 25. Rxb8 Nxb8 26. Bd1 Qa6 27. Qc1 Nd7 28. Nf3 f6 29. Rb5 Nc5 30. Bxc5 dxc5 31. Qb2 Bd7 32. Rb3 Ra8 (32... Qd6 $5 {[%cal Rd7a4]} 33. Rb7 Ra8 $15) 33. Ra3 Qc8 34. Ba4 Be6 35. Rb3 Bd6 36. Rb7 {The position is equal.} Rb8 37. Bc6 Rxb7 38. Bxb7 Qb8 39. Qb5 Kf8 40. Nd2 Qc7 41. Bd5 {Accuracy: White = 48%, Black = 54%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.07"]
[Round "7.3"]
[White "Hoffman, Alejandro"]
[Black "Flores, Diego"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2441"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,105,31,37,40,46,36,45,42,65,72,62,62,54,47,56,50,56,38,65,72,62,60,67,52,66,27,68,45,64,60,56,57,62,58,70,53,64,72,72,20,35,31,79,86,124,115,113,6,2,3,3,3,3,4,3,6,14,0,5,16,31,35,43,47,71,54,102,115,95,108,106,105,156,155,205,203,187,13,9,7,18,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d5 8. O-O Nbd7 9. Qc2 c6 10. Nbd2 {E11: Bogo-Indian} e5 (10... b6 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Bb7 14. Ne5 Nxe5 15. dxe5 Rab8 16. Rad1 c5 17. Qf4 Bxg2 18. Kxg2 b5 19. Rd2 bxc4 20. Qxc4 Rb4 21. Qc3 Rd8 {½-½ (39) Leitao,R (2626)-Milos,G (2596) Americana 2010}) 11. cxd5 Nxd5 12. e4 {White is slightly better.} Nb4 13. Qc3 {[%cal Rd4e5]} exd4 14. Nxd4 Qc5 15. Rfc1 Qxc3 16. Rxc3 Rd8 $146 ({Predecessor:} 16... Nb6 17. a3 {½-½ (27) Camarena Gimenez,R (2399)-Granero Roca,A (2444) L'Alfas del Pi 2011}) 17. a3 Nb6 18. N2b3 Na6 19. a4 Nd7 20. f4 Nf8 21. a5 Nc7 22. Kf2 Nfe6 23. Ke3 Nxd4 24. Nxd4 Bd7 25. Rd1 Be8 26. Rcd3 Kf8 27. b4 g6 28. a6 (28. Bf3 $16) 28... bxa6 29. Rc1 Nb5 30. Nxc6 Rdc8 31. e5 Rc7 {[#] Strongly threatening ...Rac8.} 32. Rc5 (32. Rd2 $1 $16) 32... Rac8 $36 {[%cal Re8c6][%mdl 2048] Black fights for an advantage.} 33. Rd8 Rxd8 34. Nxd8 Rxc5 $1 35. bxc5 {[%mdl 4096] Endgame KBN-KBN} a5 $1 36. Kd3 a4 $1 37. Kc4 a3 {[#] Threatens to win with ...a2.} (37... Ke7 $5 38. Nb7 $8 (38. Nc6+ $2 Bxc6 39. Bxc6 a3 $19) 38... Bd7 $14) 38. Kb3 Ke7 $1 {[%cal Re7d8]} 39. Nb7 Bd7 $1 {[%cal Rd7e6] aiming for ...Be6+.} 40. Bd5 f6 41. Nd6 a2 42. exf6+ Kxf6 43. Ne4+ Ke7 44. Kxa2 Bf5 (44... Nd4 $142) 45. Kb3 $16 a5 46. Nd2 Nc7 47. Bc4 $2 ({White should play} 47. Bg2 $18) 47... Kd7 $11 {The position is equal.} 48. Ka4 Kc6 49. Bg8 Ne8 50. Kxa5 {Hoping for Kb4.} Nf6 51. Bf7 {Black must now prevent Kb4.} Kxc5 52. Nb3+ Kd6 53. Kb4 {Accuracy: White = 52%, Black = 50%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.07"]
[Round "7.4"]
[White "Felgaer, Ruben"]
[Black "Granda Zuniga, Julio E"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2560"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "164"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,164,53,42,50,21,26,13,16,21,18,14,20,14,28,22,43,39,47,37,26,16,19,18,6,17,23,26,31,33,33,35,37,7,40,37,43,37,43,43,34,39,35,0,4,-23,18,17,18,18,21,21,25,20,13,0,0,0,42,0,20,0,0,-5,-5,-5,-5,-43,-29,-55,-55,-62,-55,-55,-54,-61,-54,-59,-40,-47,-41,-86,-87,-87,-62,-87,-87,-118,-114,-113,-109,-168,-147,-306,-306,-310,-310,-310,-306,-310,-310,-297,-290,-310,-320,-296,-307,-316,-302,-307,-278,-263,-248,-322,-356,-337,-337,-466,-440,-678,-668,-626,-314,-2523,-3989,-29963,-29964,-12848,-9189,-29979,-29972,-29967,-29967,-29977,-29978,-29978,-29979,-29979,-29980,-29981,-29980,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29987,-29987,-29988,-29990,-29991]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nd6 8. Bf4 O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 9. Nc3 {[%cal Bb1c3,Bc3e2,Be2g3][%mdl 32]} (9. Re1 Re8 10. Nc3 c6 11. Ne2 Nd7 12. Ng3 Nf8 13. c3 Ng6 14. Bd2 Nh4 15. Nxh4 Bxh4 16. Rxe8+ Nxe8 17. Qf3 g6 18. Re1 Ng7 19. Bf4 Bd7 20. Be5 Qg5 {½-½ (20) Leko,P (2691)-Wang,Y (2690) Riadh 2017}) 9... c6 10. Ne2 Nd7 {The position is equal.} 11. c3 Re8 12. Qc2 Nf8 13. Rae1 Bg4 $146 ({Predecessor:} 13... f6 14. Ng3 Bg4 15. Re3 Nc4 16. Bxc4 dxc4 17. Nf5 Bxf5 18. Qxf5 Qd5 19. Nh4 Ng6 20. Qxd5+ cxd5 21. Nxg6 hxg6 22. Rfe1 Kf7 {½-½ (22) Schreiber,W (2325)-Ellis,B (2335) ICCF email 1997}) 14. Ne5 Be6 15. Ng3 f6 16. Nf3 Qd7 17. h4 Bd8 18. h5 Bc7 19. Nh4 Bf7 20. Nhf5 Rxe1 21. Rxe1 {Black must now prevent Re7.} Re8 22. Rxe8 Nxe8 23. Be3 Nd6 24. Qe2 Be6 {[%cal Rd6f5]} 25. Qf3 Nxf5 26. Nxf5 g6 {[%cal Re6f5]} 27. Nh6+ {[%mdl 64] Discovered Attack} Kg7 28. g4 Qd8 29. g5 f5 30. Bf4 Qb8 31. Bxc7 Qxc7 32. Qe3 Qd6 33. f4 Nd7 34. Kg2 Nb6 35. Kf3 Nc8 36. Kg3 Bd7 37. Kf3 Qe7 (37... Be6 {is interesting.}) 38. Qxe7+ Nxe7 39. hxg6 hxg6 $11 {[%mdl 4096] Endgame KBN-KBN} 40. Ke3 Be6 41. Kd2 Nc8 42. Ke3 Kf8 43. Kd2 Ke7 44. Ke3 Nd6 45. Ke2 b6 46. Bc2 Nc4 47. b3 Nd6 48. Kd3 Ne4 49. Bd1 c5 50. Bf3 Kd6 51. dxc5+ bxc5 52. Bg2 (52. c4 $17) 52... Ng3 53. Bf3 $2 {[#]} (53. Ke3 $17 {keeps fighting.}) 53... Nh5 $1 $19 54. Ke3 {[#]} d4+ $1 {[%mdl 576] Deflection} 55. cxd4 cxd4+ 56. Kxd4 Nxf4 57. Bd1 Nh3 58. a3 Nxg5 59. b4 Bd5 60. a4 Ne6+ 61. Ke3 Ke7 62. Bc2 Kf6 63. Ng8+ {[#]} Ke5 $1 {And now ...Nd4 would win.} 64. Ne7 f4+ 65. Kd2 g5 66. b5 (66. Bd1 $142 Be4 67. Bh5) 66... Nd4 67. Bd1 Be6 68. Be2 $2 (68. Kd3) 68... Kd6 69. Ng6 Nxe2 70. Kxe2 {KB-KN} Bd5 71. a5 Bf7 {Black mates.} 72. Nf8 g4 73. b6 axb6 74. axb6 g3 75. b7 Kc7 76. Nd7 Kxb7 77. Nc5+ Kc6 78. Ne4 Bc4+ 79. Ke1 Bd5 80. Nf6 Kd6 81. Nh5 Ke5 82. Kf1 Bf7 {Accuracy: White = 44%, Black = 76%.} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.07"]
[Round "7.5"]
[White "Perez Ponsa, Federico"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "E35"]
[WhiteElo "2560"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,72,19,21,26,24,6,47,35,54,52,41,6,56,0,27,25,30,14,10,9,13,10,7,0,5,5,38,6,8,8,8,6,15,4,23,-14,-7,-10,-13,-12,-10,-8,0,0,0,0,0,0,0,0,0,-6,0,0,0,0,0,0,0,-722,-713]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 O-O 8. e3 {E35: Nimzo-Indian: Classical: 4...d5 5 cxd5 exd5} Be6 (8... c5 9. dxc5 Be6 10. Nf3 Nbd7 11. Be2 Rc8 12. c6 Rxc6 13. Nd4 Rc8 14. O-O Qe7 15. Qb3 Bxc3 16. bxc3 Nc5 17. Bxf6 Qxf6 18. Qb4 b6 19. a4 Qg6 20. a5 Ne4 21. Nxe6 Qxe6 {½-½ (21) Howell,D (2697)-Adams,M (2690) Torquay 2019}) 9. Bd3 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 10. Nge2 {White is slightly better.} c5 11. a3 Bxc3+ 12. bxc3 Rc8 $146 ({Predecessor:} 12... Re8 13. O-O Rc8 {0-1 (56) Cirilo,G (1920)-Takeda,L (1862) Sao Paulo 2012}) 13. O-O ({Better is} 13. Qb1 $14) 13... cxd4 (13... c4 $5 {[%cal Rc4d3]} 14. Bh7+ Kh8 $11) 14. exd4 Nb6 15. Nf4 Bd7 {[#] Strongly threatening ...g5.} 16. Nh5 {aiming for Bxf6.} g5 17. Nxf6+ Qxf6 18. Bg3 Nc4 19. a4 b6 20. Rfe1 (20. a5 $5) 20... Rfe8 21. Rxe8+ Rxe8 22. h3 Qe6 23. Kh2 h5 24. h4 gxh4 25. Bxh4 Qg4 26. Bg3 h4 27. Bc7 Rc8 28. Bxc4 dxc4 29. Be5 f6 30. Bd6 Re8 $40 {[%mdl 128] Hoping for ...Re2. Black is up to no good.} 31. f3 Qg5 32. Qf2 Kg7 33. Re1 Qd5 34. Bf4 Qf5 35. Bc7 Bxa4 36. Qxh4 $2 {[%mdl 8192] [#]} (36. Rxe8 $11 Bxe8 37. Qxh4) 36... Rh8 $1 {Accuracy: White = 64%, Black = 51%.} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.07"]
[Round "7.6"]
[White "Ricardi, Pablo"]
[Black "Santiago, Yago De Moura"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2493"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,64,6,0,0,-1,0,0,0,0,0,0,-5,-24,0,0,0,0,38,21,8,-74,-39,-56,-45,-95,0,0,0,-8,0,-41,-2,-15,-13,-95,0,0,0,0,0,-87,-89,-295,-284,-297,-294,-292,-284,-297,-201,-280,-280,-292,-291,-291,-275]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 a5 5. Bg2 a4 6. O-O axb3 {A13: English Opening: 1...e6} 7. Qxb3 Nc6 (7... Be7 8. d4 O-O 9. Nbd2 Nc6 10. Bb2 Na5 11. Qc2 c6 12. Rfb1 b6 13. Bc3 Nd7 14. e3 Qc7 {½-½ (14) Rechlis,G (2526)-Soffer,R (2477) Israel 2019}) 8. cxd5 exd5 {The position is equal.} 9. d3 Be7 10. Nc3 O-O 11. Bf4 $146 ({Predecessor:} 11. e4 Na5 12. Qc2 d4 13. Nb5 c5 {0-1 (41) Husain,S (2250)-Southam,T (2335) Toronto 1990}) 11... Na5 12. Qc2 c6 13. e4 b5 14. exd5 {Black should prevent Ne5.} b4 15. dxc6 (15. Na4 $11 {keeps the balance.}) 15... bxc3 $17 16. c7 Qe8 $1 17. Nd4 $1 Ra6 ({Better is} 17... Bb7 $17 18. Bxb7 Nxb7) 18. Qxc3 $11 Qd7 {Strongly threatening ...Nd5.} 19. Rfe1 $1 Bd6 20. Bxd6 Rxd6 21. Qxa5 {Nb3 is the strong threat.} Rxd4 22. Rab1 (22. a4 $11) 22... Ra4 ({Black should try} 22... Rxd3 $17 23. Rec1 Rd2) 23. Qc5 Rxa2 24. Rb8 Re8 25. Rc1 {[#]} (25. Rxe8+ $1 $11 Nxe8 26. Bb7 Ra1+ 27. Kg2 Qh3+ 28. Kf3 Qg4+ 29. Kg2 Qh3+ 30. Kf3 Qg4+ 31. Kg2 Qh3+) 25... Rae2 $1 $17 {[%cal Re2e1] And now ...Re1+ would win.} (25... Qxd3 26. Bb7 $14) 26. Qa5 $2 {[#]} (26. Rbb1 $17) 26... Qd4 $1 $19 27. Qb6 Qxb6 ({Weaker is} 27... Qxd3 28. Rxc8 Rxc8 29. Bb7 $17) 28. Rxb6 Re1+ 29. Rxe1 Rxe1+ 30. Bf1 Ne8 {( -> ...Bh3). Black has a decisive advantage.} ({Inferior is} 30... Rc1 {[#]} 31. Rb8 $1 $16 {[%mdl 512]}) 31. Rb8 Nd6 32. f4 Kf8 {Accuracy: White = 49%, Black = 78%.} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.08"]
[Round "8.1"]
[White "Slipak, Sergio"]
[Black "Santiago, Yago De Moura"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2384"]
[BlackElo "2479"]
[Annotator "ChessBase"]
[PlyCount "87"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 3. g3 {[%emt 0:00:30]} h5 {[%emt 0:04:53]} 4. Nf3 {[%emt 0:05:11]} Bc5 {[%emt 0:00:30]} 5. e3 {[%emt 0:06:00]} d6 {[%emt 0:00:30]} 6. d4 {[%emt 0:00:30]} Bb4 {[%emt 0:10:50]} 7. Bg2 {[%emt 0:06:00]} Bg4 {[%emt 0:02:51]} 8. h3 {[%emt 0:00:30]} Bd7 {[%emt 0:00:30]} 9. Bd2 {[%emt 0:05:30]} Nf6 {[%emt 0:06:40]} 10. a3 {[%emt 0:04:50]} Bxc3 {[%emt 0:00:30]} 11. Bxc3 {[%emt 0:00:30]} Qe7 {[%emt 0:00:30]} 12. d5 {[%emt 0:00:30]} Nd8 {[%emt 0:00:30]} 13. Nxe5 {[%emt 0:08:06]} Bf5 {[%emt 0:07:13]} 14. Nf3 {[%emt 0:07:10]} Be4 {[%emt 0:00:30]} 15. O-O {[%emt 0:00:30]} c6 {[%emt 0:04:50]} 16. Bxf6 {[%emt 0:00:30]} Qxf6 {[%emt 0:00:30]} 17. Qd4 {[%emt 0:00:30]} Qxd4 {[%emt 0:03:50]} 18. Nxd4 {[%emt 0:00:30]} Bxg2 {[%emt 0:00:30]} 19. Kxg2 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 20. b4 {[%emt 0:07:40]} Kd7 {[%emt 0:01:00]} 21. Rfd1 {[%emt 0:00:30]} Rc8 {[%emt 0:00:30]} 22. Rac1 {[%emt 0:04:10]} c5 {[%emt 0:00:30]} 23. bxc5 {[%emt 0:00:30]} dxc5 {[%emt 0:00:30]} 24. Nb5 {[%emt 0:03:50]} Ra8 {[%emt 0:02:00]} 25. e4 {[%emt 0:00:30]} f6 {[%emt 0:00:30]} 26. f4 {[%emt 0:05:50]} Nf7 {[%emt 0:00:30]} 27. Re1 {[%emt 0:00:30]} a6 {[%emt 0:01:50]} 28. Nc3 {[%emt 0:00:30]} Kc7 {[%emt 0:12:27]} 29. e5 {[%emt 0:00:30]} fxe5 {[%emt 0:00:30]} 30. fxe5 {[%emt 0:04:04]} Rhe8 {[%emt 0:00:30]} 31. e6 {[%emt 0:07:50]} Nd6 {[%emt 0:00:30]} 32. Ne2 {[%emt 0:04:30]} g5 {[%emt 0:08:20]} 33. Ng1 {[%emt 0:00:30]} b5 {[%emt 0:02:50]} 34. cxb5 {[%emt 0:00:30]} Kb6 {[%emt 0:00:30]} 35. bxa6 {[%emt 0:00:30]} c4 {[%emt 0:00:30]} 36. Nf3 {[%emt 0:06:20]} Kc5 {[%emt 0:00:30]} 37. Nxg5 {[%emt 0:03:20]} Rxa6 {[%emt 0:10:30]} 38. Ne4+ {[%emt 0:00:30]} Nxe4 {[%emt 0:00:30]} 39. Rxe4 {[%emt 0:00:30]} Rxa3 {[%emt 0:03:30]} 40. Rcxc4+ {[%emt 0:00:30]} Kxd5 {[%emt 0:01:30]} 41. Rcd4+ {[%emt 0:30:30]} Kc5 {[%emt 0:30:30]} 42. Rd2 {[%emt 0:00:30]} Rg8 {[%emt 0:03:50]} 43. e7 {[%emt 0:00:30]} Rgxg3+ {[%emt 0:00:30]} 44. Kf2 {[%emt 0:03:20]} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.08"]
[Round "8.2"]
[White "Mareco, Sandro"]
[Black "Ricardi, Pablo"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2637"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,109,27,25,27,37,20,16,6,6,0,0,0,0,-22,-12,-30,-23,-30,-27,-44,-35,-59,-58,-52,-58,-59,-57,-45,-16,-138,-140,-65,-56,-164,-169,-96,0,0,0,0,0,0,0,-119,-128,-124,-128,-166,-158,-218,-191,-194,-8,-8,-10,-139,-149,-117,-8,-1,-9,-16,0,-357,-342,-1008,-958,-905,-888,-1770,-1716,-1577,-1368,-2005,-1991,-1628,-1667,-1208,-486,-459,0,-1656,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. b3 b6 8. Bb2 Bb7 9. Nc3 Nbd7 10. Rc1 Rc8 11. e3 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7)} (11. Re1 Re8 12. Nd2 c5 13. e3 cxd4 14. exd4 Nf8 15. Qe2 Qd7 16. Nf3 dxc4 17. bxc4 Qc7 18. Nb5 Qb8 19. Ne5 Bxg2 20. Kxg2 a6 21. Nc3 Ng6 22. Nf3 Qa8 23. Ne4 {½-½ (23) Lysyj,I (2643)-Smirnov,P (2595) Khanty-Mansiysk 2016}) 11... c5 12. Ne5 cxd4 13. exd4 Ne4 $146 ({Predecessor:} 13... Bb4 14. Nb5 a6 {1-0 (80) Laurusas,T (2429)-Bilguun,S (2343) Khanty-Mansiysk 2015}) 14. Nxe4 dxe4 15. Qe2 f5 16. Nd3 {White wants to play Nf4.} Bg5 17. Rcd1 Qe8 18. Ne1 b5 19. cxb5 Nb6 20. h4 Bh6 {[%mdl 1024] Black has compensation.} 21. Nc2 Nd5 22. Na3 Rf7 23. Qe1 g5 24. Nc4 (24. hxg5 $1 $11 {was the only way to keep the balance.} Bxg5 25. Nc4) 24... gxh4 $17 {Threatens to win with ...Rg7.} 25. Nd6 Qf8 26. Nxf7 (26. Nxc8 $15 Bxc8 27. Bc1 (27. gxh4 $2 Rg7 $19)) 26... Qxf7 $19 27. Bc1 (27. gxh4 $2 Nf4 $19) 27... Rxc1 ({Black should play} 27... h3 $17 28. Bxh3 Qh5 29. Bxh6 Qxh3) 28. Rxc1 $11 hxg3 29. fxg3 Be3+ {[%mdl 64] Double Attack} 30. Kh2 $1 Bxd4 31. Qe2 (31. Rc4 $11 {remains equal.} Qh5+ 32. Bh3) 31... Qg6 $17 32. Bh3 Be5 33. Rg1 Qh6 34. Rcf1 (34. Rc5 $17) 34... Nf6 35. Rf4 Bxf4 $2 (35... Kf7 $19 36. Rgf1 Ke7) 36. gxf4+ $11 Kf7 37. Qg2 (37. Qd2 $1 $11) 37... Qxf4+ $17 ({Don't take} 37... Ng4+ 38. Kg3 $17) 38. Qg3 {[#]} Nh5 ({Black should try} 38... Qxg3+ $1 $17 39. Kxg3 Nh5+ 40. Kh4 Nf4) 39. Qxf4 $11 Nxf4 {[%mdl 4096] Endgame KRB-KBN} 40. Rc1 $1 {[%cal Rc1c7] Rc7+ is the strong threat.} Kf6 41. Rc7 $2 {[%mdl 8192]} (41. Bf1 $1 $11 {and White stays safe.} Nd5 42. Rc4) 41... Nxh3 $19 42. Kxh3 $2 {KR-KB} (42. Rxb7 e3 43. Rc7 (43. b6 $2 axb6 44. Rc7 e2 $19)) 42... e3 43. Kg3 Bd5 44. Kf4 e2 45. Rc1 h5 46. Re1 e5+ 47. Ke3 h4 48. Rxe2 h3 (48... f4+ $142 49. Kf2 e4) 49. Rh2 Bg2 $2 (49... f4+ $19 50. Kf2 Bg2) 50. Kf2 $2 {[%mdl 8192] [#]} (50. a4 $11) 50... e4 $2 (50... Ke6 $1 $19 51. Kg1 Kd5) 51. Rxg2 $11 {The position is equal.} hxg2 52. a4 $1 {[%cal Ba2a4,Ba4a5][%mdl 32] And now a5 would win.} Ke5 53. a5 $1 Kd5 54. b4 $1 {Black must now prevent a6.} Kd6 55. Kxg2 {Accuracy: White = 41%, Black = 62%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.08"]
[Round "8.3"]
[White "Granda Zuniga, Julio E"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2644"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,104,0,0,0,0,0,20,25,28,-15,-4,-6,20,7,19,20,67,-18,21,0,0,9,6,-25,47,-34,-35,-42,-16,-21,-6,-30,-8,-30,-29,-43,18,4,18,-39,4,0,85,93,98,56,47,0,85,0,56,21,114,110,110,101,109,102,292,278,284,267,394,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. g3 c6 4. Bg2 Bf5 5. O-O h6 6. c4 e6 7. Qb3 Qb6 8. Nc3 Nbd7 9. Re1 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} Be7 10. c5 (10. Bf4 O-O 11. c5 Qxb3 12. axb3 g5 13. Bc1 Ne4 14. b4 Bf6 15. e3 a6 16. Nd2 Nxd2 17. Bxd2 {0-1 (69) Sargissian,G (2689)-Nepomniachtchi,I (2763) St Petersburg 2018}) 10... Qc7 11. Bf4 Qc8 12. Rac1 O-O 13. Nd2 $146 ({Predecessor:} 13. Ne5 Rd8 14. Nxd7 Nxd7 15. Qa4 b5 16. Qa5 Re8 17. e4 dxe4 18. Nxe4 Bxe4 19. Bxe4 {½-½ (80) Simonenko,S (2465)-Vysochin,S (2511) Goch 2000}) 13... Nh5 14. Be5 Nxe5 15. dxe5 Bxc5 16. Na4 (16. e4 $14 dxe4 17. Ncxe4) 16... Bd4 17. Nf3 Bb6 $1 18. Nxb6 axb6 19. Nd4 Bg6 (19... Qd8 $11) 20. Bh3 (20. Qxb6 $14 f6 21. Bh3) 20... Qd8 $15 21. e3 c5 22. Nb5 c4 23. Qb4 Rxa2 24. Ra1 Ra5 25. Nd4 Re8 (25... Be4 $15) 26. Rxa5 $11 bxa5 27. Qxb7 ({White should play} 27. Qb5 $1 $11) 27... Be4 (27... Qb8 $5 {[%cal Rb8b7]} 28. Qd7 Rf8 $11) 28. Nc6 Qg5 (28... Qa8 $11 {keeps the balance.} 29. Qd7 d4 30. Nxd4 Rb8) 29. Qd7 $16 {[%mdl 1024] White has strong compensation.} Kf8 30. Qd6+ Kg8 31. Qd7 $40 {[%mdl 128] White is up to no good.} Kf8 $1 32. Qd6+ Kg8 33. Nxa5 Kh7 (33... g6 $1 $11) 34. Nc6 f5 {Threatening ...f4.} 35. Qd7 Qg6 36. Nd4 f4 $2 (36... Kh8 $16 {might work better.}) 37. Nxe6 $18 ({But not} 37. Bxe6 $2 fxg3 38. hxg3 {[#]} Nxg3 $1 $19 {[%mdl 512]}) 37... fxg3 38. hxg3 Nxg3 (38... Ra8 $142 39. Kh2 Qe8) 39. Nf4 $2 (39. Kh2 $18 Rxe6 40. Qxe6) 39... Ne2+ $1 $11 {[%mdl 64] [#] Discovered Attack (Double check). The position is equal.} 40. Kh2 $1 Nxf4 41. exf4 Qb6 42. Kg3 Qg6+ 43. Bg4 {Black must now prevent Rxe4!} Rb8 {aiming for ...h5.} 44. f3 Rb3 {And now ...Rxf3+ would win.} 45. Kh4 Qb6 46. Re2 Rxf3 47. Bxf3 Bxf3 {KQR-KQB} 48. Qf5+ Kh8 49. Qf8+ Kh7 {Hoping for ...Qg6.} 50. Qf5+ Kh8 51. Qf8+ Kh7 {Strongly threatening ...Qg6.} 52. Qf5+ Kh8 {Accuracy: White = 46%, Black = 44%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.08"]
[Round "8.4"]
[White "Flores, Diego"]
[Black "Felgaer, Ruben"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2608"]
[BlackElo "2560"]
[Annotator "RC"]
[PlyCount "106"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. b3 {[%emt 0:11:11]} Nc6 {[%emt 0:00:30]} 3. Bb2 {[%emt 0:00:30]} e5 {[%emt 0:10:51]} 4. g3 {[%emt 0:00:30]} Nge7 {[%emt 0:08:50]} 5. Nf3 {[%emt 0:05:30]} d6 {[%emt 0:00:30]} 6. Bg2 {[%emt 0:06:40]} g6 {[%emt 0:00:30]} 7. O-O {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 8. Nc3 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 9. d3 {[%emt 0:00:30]} Rb8 {[%emt 0:00:30]} 10. a3 {[%emt 0:04:50]} a6 {[%emt 0:04:10]} 11. Nd2 {[%emt 0:03:56]} b5 {[%emt 0:03:34]} 12. e3 {[%emt 0:00:30]} Bf5 {[%emt 0:10:50]} 13. Qc2 {[%emt 0:00:30]} Qd7 {[%emt 0:04:50]} 14. Nd5 {[%emt 0:00:30]} Nxd5 {[%emt 0:07:20]} 15. cxd5 {[%emt 0:00:30]} Ne7 {[%emt 0:00:30]} 16. f4 {[%emt 0:06:00]} Bh3 {[%emt 0:11:20]} 17. Bxh3 {[%emt 0:01:10]} Qxh3 {[%emt 0:00:30]} 18. e4 {[%emt 0:16:47]} exf4 {[%emt 0:00:30]} 19. Rxf4 {[%emt 0:04:03]} Qh6 {[%emt 0:00:30]} 20. Raf1 {[%emt 0:27:10]} f5 {[%emt 0:00:30]} 21. Kg2 {[%emt 0:02:40]} Bxb2 {[%emt 0:03:20]} 22. Qxb2 {[%emt 0:00:30]} Qg7 {[%emt 0:00:30]} 23. Qxg7+ {[%emt 0:01:10]} Kxg7 {[%emt 0:00:30]} 24. b4 Rbc8 {[%emt 0:06:40]} 25. bxc5 Rxc5 {[%emt 0:00:30]} 26. Nf3 Rc3 {[%emt 0:00:30]} 27. Nd4 Kg8 28. R4f3 Rxa3 29. g4 Ra2+ 30. Kg3 Rd2 31. Ne6 Rf6 32. Rc1 h6 33. h4 Kf7 34. Rc7 f4+ 35. Nxf4 g5 36. hxg5 hxg5 37. Ng6 Kxg6 38. Rxe7 Rxf3+ 39. Kxf3 Rxd3+ 40. Ke2 Ra3 41. Re6+ Kf7 42. Rxd6 b4 43. e5 a5 44. Rb6 Rc3 45. Rb7+ Ke8 46. Rb8+ Kd7 47. e6+ Kd6 48. Kd2 Rc7 49. Rb5 b3 50. Kd3 Ke5 51. Rxb3 Kxd5 52. Rb5+ Kxe6 53. Rxa5 Kf6 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.08"]
[Round "8.5"]
[White "Henriquez Villagra, Cristobal"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2593"]
[BlackElo "2441"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,112,28,26,27,41,38,65,35,73,50,43,23,27,16,23,23,32,10,95,75,104,87,95,44,51,50,79,0,0,0,0,-12,-10,-7,-12,-27,-14,-25,0,0,10,14,17,0,0,0,0,0,49,0,0,-62,-59,-121,0,0,75,-415,-416,-535,-518,-655,-609,-1089,-53,-420,-422,-490,-381,-377,-106,-110,-109,-123,-116,-101,-102,-67,-56,-64,-64,-101,-101,-101,-114,-217,-29,-228,-225,-336,0,-210,-213,-350,-344,-325,-316,-283,-270,-541,-541,-526,-520,-464,-439]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 c6 5. h3 (5. g3 g6 6. Bg2 Bg7 7. O-O O-O 8. h3 b5 9. a3 Bb7 10. f4 exd4 11. Nxd4 Re8 12. Nde2 a5 13. e5 Qb6+ 14. Qd4 c5 15. Qf2 dxe5 16. fxe5 Rxe5 17. Bf4 Re8 {0-1 (47) Vitiugov,N (2734)-Bologan,V (2672) Khanty-Mansiysk 2013}) 5... b5 6. a3 {B07: Pirc Defence: Miscellaneous Systems} Be7 7. g4 Bb7 $146 ({Predecessor:} 7... O-O 8. Bg2 a5 9. Ng3 Re8 10. O-O Ba6 11. Nce2 b4 12. Re1 c5 {1-0 (38) Zhao,J (2589)-Wang,R (2408) China 2013}) 8. Bg2 {White is slightly better.} a6 9. Be3 Nfd7 10. Qd2 Nb6 11. b3 N8d7 12. Ng3 g6 13. O-O Nf8 (13... O-O $11) 14. Rad1 Nbd7 15. d5 c5 16. a4 (16. g5 $16) 16... b4 $14 17. Nce2 a5 18. f4 (18. c4 $16) 18... exf4 $11 19. Bxf4 Ne5 $1 20. c4 bxc3 21. Nxc3 Nfd7 22. Rf2 Ba6 23. Bf1 $1 Bh4 24. Nb5 Bxb5 25. Bxb5 O-O 26. Kg2 Qe7 27. Rdf1 Rfc8 28. Qc3 Bf6 29. Qe1 {Threatens to win with Bxe5.} Bh4 30. Bd2 ({White should try} 30. Qc3 $11) 30... c4 $15 {And now ...Nd3 would win.} 31. Bxc4 ({Better is} 31. Qe3 $15) 31... Nxc4 (31... Nc5 $1 $17 32. Qe3 Bxg3 33. Kxg3 Nxc4 34. bxc4 Nxe4+ {[%mdl 64] Double Attack, Discovered Attack} 35. Kg2 Rxc4 36. Rxf7 Qxf7 37. Rxf7 Kxf7) 32. Rxf7 $11 Qe5 (32... Qe8 $11 33. bxc4 Rxc4) 33. Bf4 $2 {[%mdl 8192]} (33. bxc4 $16 Bxg3 34. Qe3 (34. Qxg3 Qxe4+ 35. Kh2 Ne5 $16)) 33... Qe8 $1 $19 {[%cal Re8f7]} 34. Bh6 {Rg7+ is the strong threat.} Nce5 35. Rg7+ Kh8 36. Qa1 Bxg3 $2 (36... Rc2+ $19 37. Kg1 Bxg3) 37. Kxg3 $4 {[%mdl 8192]} (37. Rff7 $1 $15 Nf8 38. Re7 Rc2+ 39. Kxg3) 37... Rab8 38. Rf3 Rb7 39. Qb2 Nc5 $2 (39... Rbc7 $19 {and Black stays clearly on top. Hoping for ...Rc2.} 40. Qd4 Rb7) 40. Rxb7 $17 Nxb7 41. Rf8+ Qxf8 42. Bxf8 Rxf8 43. b4 axb4 44. Qxb4 Nc5 45. a5 Rf3+ 46. Kg2 {Threatening a6!} Rb3 $1 {[%cal Rb3b4]} 47. Qe1 {[#]} (47. Qd4 $17) 47... g5 $2 (47... Rb2+ $1 $19 48. Kf1 Kg7) 48. a6 $2 (48. Qc1 $1 $11) 48... Rb2+ $19 ({But not} 48... Nxa6 $2 49. Qf1 $18) 49. Kg3 (49. Kh1 $142 Ra2 50. h4) 49... Rb3+ ({Stronger than} 49... Nxa6 50. Qf1 $11) 50. Kg2 {aiming for Qa1.} Ra3 ({Wrong is} 50... Nxa6 $2 51. Qf1 $18) 51. Qb1 (51. h4 $142 Rxa6 52. Qf2) 51... Rxa6 52. Qb8+ Kg7 53. Qc7+ {[#]} Ncd7 $1 54. Qd8 $2 (54. Kf2) 54... Nf6 {Black is clearly winning.} 55. Qc7+ Nf7 56. Qc4 Ra8 {Accuracy: White = 33%, Black = 48%.} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.08"]
[Round "8.6"]
[White "Pichot, Alan"]
[Black "Delgado Ramirez, Neuris"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2588"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,38,35,30,16,17,27,-26,-26,-26,-17,-35,-25,-67,-68,-25,-19]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 Nh5 13. Nd5 Bxd5 $1 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 14. exd5 f6 {[%cal Rf6g5]} 15. Na5 (15. g6 $142) (15. gxf6 Rxf6 16. Na5 Nf4 17. Nc6 Qf8 18. Kb1 Bd8 19. c4 Bb6 20. cxb5 axb5 21. Bxb5 {1-0 (47) Dominguez Perez,L (2750)-Paravyan,D (2610) Sochi 2019}) 15... fxg5 $11 16. Nc6 Qe8 17. Kb1 $146 ({Predecessor:} 17. Bxg5 Bxg5 18. Qxg5 Ndf6 19. Bd3 Nf4 20. Be4 Rf7 21. Rhe1 {0-1 (61) Weaving,R (2314)-Alsina Leal,D (2507) England 2018}) 17... Nf4 ({Much worse is} 17... Rxf3 $6 18. Be2 $14) 18. c4 bxc4 $1 19. Bxc4 Bf6 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.09"]
[Round "9.1"]
[White "Delgado Ramirez, Neuris"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2619"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,57,6,9,-5,0,0,-4,0,9,0,27,5,35,26,33,10,27,20,46,46,43,51,61,82,66,69,66,35,77,0,93,101,362,351,348,342,336,336,339,320,336,336,335,327,300,340,314,314]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. Bxc6 dxc6 7. Nc3 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} Nd7 8. d3 O-O 9. Be3 {The position is equal.} c5 $146 ({Predecessor:} 9... Re8 10. O-O-O Bd6 11. g4 Nf8 12. Rdg1 Ne6 13. h4 c5 14. g5 Nd4 {0-1 (31) Movileanu,D (2166)-Vocaturo,D (2615) Chania 2019}) 10. Nd2 Bd6 11. g3 Nb8 12. f4 Nc6 13. Qf2 Nd4 14. O-O-O f6 15. f5 b5 16. g4 b4 17. Ne2 a5 18. Kb1 a4 19. Rhg1 Ba6 20. Nc1 (20. g5 $16) 20... Qe7 (20... Nb5 $1 $11) 21. g5 Kh8 $2 {[%mdl 8192]} (21... Qd7 $16 {was necessary.}) 22. g6 $1 $18 {Hoping for Qh4!} Kg8 {intending ...h6.} 23. Qh4 {[%csl Gg6][%cal Rh4h7] White has a decisive advantage.} h6 {[#]} 24. Bxh6 $1 {[%mdl 512]} gxh6 {[#]} 25. g7 $1 {[%cal Rg7f8]} Rf7 {[#]} 26. Rg6 $1 {[%cal Rg6h6]} Rxg7 27. Rdg1 Rxg6 28. Rxg6+ Kf7 {And now ...Rg8 would win.} 29. Qxh6 {Accuracy: White = 61%, Black = 42%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.09"]
[Round "9.2"]
[White "Hoffman, Alejandro"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2441"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,84,-6,0,0,0,0,-13,0,-1,-20,0,-8,-7,-12,-18,-25,-25,-24,-24,-25,0,0,-7,-20,-21,-13,0,0,-3,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,-247,-239,-491,-485,-462,-445,-723,-702,-691,-679,-553,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Nc3 c6 6. Bg5 h6 7. Bh4 Bf5 8. e3 Nbd7 9. Bd3 {D35: Queen's Gambit Declined: Exchange Variation} Bxd3 10. Qxd3 Bd6 11. O-O O-O 12. a3 (12. Rab1 a5 13. Qc2 Re8 14. Rfe1 Qc8 15. Bg3 Bxg3 16. hxg3 Ne4 17. Nxe4 dxe4 18. Nd2 Nf6 19. b4 axb4 20. Rxb4 {½-½ (32) Arkell,K (2505)-Adams,M (2742) Douglas 2015}) 12... a5 13. Qc2 Qe7 14. Rab1 Qe6 15. Bxf6 $146 ({Predecessor:} 15. b4 axb4 16. axb4 b5 17. Bxf6 Nxf6 18. Ne2 Rfc8 19. Nc1 Nd7 20. Nd3 {0-1 (54) Arkell,K (2461)-Korneev,O (2523) Cardiff 2019}) 15... Nxf6 16. Rfe1 Rfe8 17. Nd2 Nd7 18. g3 f5 19. f4 b5 20. Nf3 b4 21. axb4 axb4 22. Na4 Qe4 23. Qxc6 {[%mdl 64] Double Attack} Nf6 24. Nd2 Qd3 25. Nf1 Ra6 $36 {[%mdl 2048] Black fights for an advantage.} 26. Nb6 {aiming for Rbd1.} Rb8 27. Qxd6 Rbxb6 28. Qd8+ Kh7 29. Red1 $2 (29. Qe7 $11 {and White has nothing to worry.}) 29... Qe4 $1 $19 {Threatens to win with ...Rc6.} 30. Rbc1 $2 {[#]} (30. Qc7 Ng4 31. Rdc1) 30... Rc6 $1 {[%cal Rc6c1] ...Rxc1 is the strong threat.} 31. Qf8 b3 {White must now prevent ...Ng4.} 32. Rxc6 (32. Qb4 $142 Rc2 33. Rxc2 Qxc2 34. Qe1) 32... Rxc6 33. Qb4 Rc2 {[%csl Gc2][%cal Re4g2]} 34. Rd2 {[#]} Rc1 $2 ({Black should try} 34... Qf3 $1 $19 {( -> ...Ne4)} 35. Qxb3 Rxd2 36. Nxd2 Qe2) 35. Qxb3 $11 {The position is equal.} Ng4 36. Rd1 $1 {[%cal Rd1c1]} Rc2 {[%csl Gc2][%cal Re4g2]} 37. Nd2 Qxe3+ 38. Qxe3 Nxe3 39. Re1 Ng4 40. Nf3 Rxb2 41. Re7 Rb1+ 42. Kg2 Rb2+ {Accuracy: White = 53%, Black = 71%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.09"]
[Round "9.3"]
[White "Felgaer, Ruben"]
[Black "Henriquez Villagra, Cristobal"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2560"]
[BlackElo "2593"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,122,25,23,16,16,12,19,16,0,22,0,0,8,11,10,12,12,15,0,0,-19,-12,-19,-22,-96,-96,-164,-62,-62,-57,-62,-58,-55,-14,-31,-22,-23,-22,-33,0,-42,-42,-34,-31,-27,-30,-76,-63,-84,-12,-14,0,-79,-23,-66,-19,-69,-19,-41,-39,-13,-8,-8,-8,-8,-4,-7,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,-8,0,-8,0,-8,0,0,0,0,0,0,0,0,0,-40,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 exd4 5. Bg5 Be7 6. Bxe7 Qxe7 7. Bxc6 dxc6 8. Qxd4 Nf6 9. Nc3 Bg4 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6} 10. O-O-O (10. Nd2 c5 11. Qe3 O-O-O 12. f3 Be6 13. O-O-O b6 14. g4 Nd7 15. h3 Ne5 16. f4 Nc6 17. Nf3 {0-1 (34) Guseinov,G (2645)-Carlsen,M (2832) chess.com INT 2017}) 10... Bxf3 $1 11. gxf3 O-O 12. f4 Nh5 13. f5 Rfd8 14. Qe3 Qe5 $146 ({Predecessor:} 14... Rxd1+ 15. Rxd1 Qe5 16. fxg6 hxg6 17. h4 {1-0 (42) Michalczak,T (2246)-Zemlickova,O (2071) Prague 2017}) 15. Rxd8+ Rxd8 16. Qxa7 b6 17. fxg6 hxg6 18. a4 Nf6 $36 {[%mdl 2048] White is under pressure.} 19. Rd1 Rxd1+ 20. Nxd1 {[#]} (20. Kxd1 $11 Qd4+ 21. Kc1) 20... Kg7 $1 $17 ({Much worse is} 20... Nxe4 $6 21. Qa8+ Kg7 22. Qxc6 $11) 21. a5 (21. Qb7 $17) 21... bxa5 ({Better is} 21... Nxe4 $19 22. axb6 Qf4+ 23. Kb1 Nd2+ 24. Ka1 Qf3) 22. f3 $15 Qxh2 23. Qe3 Qe5 24. Nf2 Kg8 25. Nd3 Qg3 26. Kd2 Nd7 27. b3 Nf8 28. Nc5 Qd6+ 29. Kc1 Qe5 30. Kb1 g5 31. Qg1 {[#]} Qf6 $1 32. Nd3 Ng6 (32... Ne6 $17 33. Qg2 c5) 33. Qg3 $11 Kg7 34. Ka2 (34. e5 $1 $11 {keeps the balance.} Qd8 35. Qg1) 34... c5 (34... Nf4 $17) 35. Kb1 c6 (35... c4 $5 36. bxc4 a4 $11) 36. Qg4 c4 37. bxc4 a4 38. Qg3 a3 39. e5 Qd8 40. Ka2 Qd4 41. Qxg5 Qxc4+ 42. Kxa3 Qc3+ 43. Ka2 Qxc2+ 44. Nb2 Qc3 45. Qf6+ Kg8 46. Qd8+ Kh7 47. f4 Qh3 48. Qf6 Qd7 49. Kb1 Qd5 50. Qf5 Kg7 51. Nd3 c5 52. Kc2 c4 53. Nb2 Qd4 54. Qf6+ Kg8 55. Qg5 Kf8 56. Qg4 Qf2+ 57. Kc3 {The position is equal.} Nxf4 {White must now prevent ...Nd5+.} 58. Qc8+ Kg7 59. Qg4+ Kh6 {And now ...Nd5+ would win.} 60. Nxc4 Qe1+ 61. Kb3 Ng6 {Accuracy: White = 48%, Black = 40%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.09"]
[Round "9.4"]
[White "Perez Ponsa, Federico"]
[Black "Flores, Diego"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2560"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,117,61,29,35,28,17,14,53,40,62,43,36,35,55,50,59,39,52,43,64,55,60,12,41,42,50,37,48,39,30,31,45,0,4,0,0,0,59,54,62,11,22,21,157,72,70,64,64,72,70,67,62,62,70,75,83,77,74,80,92,92,92,92,92,84,84,84,417,234,3652,3445,2891,2472,2865,2689,2495,2457,2438,2420,2412,1886,2412,1427,1502,1000,2325,786,29977,29978,29977,826,29979,29979,29981,29982,29982,29983,29983,29983,29983,29984,29984,29985,29985,29986]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 b6 8. O-O {Black must now prevent e5.} Bb7 {B41: Sicilian: Kan Variation: 5 c4} 9. Qd3 Nc6 (9... d6 10. f4 Nbd7 11. b4 d5 12. exd5 Bxb4 13. dxe6 Nc5 14. exf7+ Kxf7 15. Qh3 Bxc3 16. Qxc3 Rhe8 17. Bf3 Nce4 18. Qb4 Rad8 19. Be3 {½-½ (31) Muzychuk,M (2540)-Adhiban,B (2689) Caleta 2019}) 10. Nxc6 Bxc6 {The position is equal.} (10... dxc6 {with more complications.} 11. Be3 Rd8 12. Qc2 Bd6 13. g3 c5) 11. Be3 Bb4 12. f3 O-O 13. a3 (13. Rac1 {seems wilder.} Qb8 14. a3 Be7 15. Rfd1 Rd8 16. b4) 13... Bc5 14. b4 Bxe3+ 15. Qxe3 d6 {[#]} 16. Rfd1 $146 ({Predecessor:} 16. Rac1 Qb7 17. Rfd1 Rfd8 {1-0 (28) Mozharov,M (2540)-Vetoshko,V (2338) Pardubice 2014}) 16... Rfd8 17. Rac1 Qb8 18. Rd2 h6 19. Rcd1 Qc7 20. Rd4 Rd7 21. Bf1 b5 22. cxb5 axb5 23. Nxb5 Qb6 24. Nc3 $1 Rxa3 25. Nd5 Nxd5 (25... Qa7 $1 $11 26. Nxf6+ {[%mdl 64] Discovered Attack} gxf6) 26. Qxa3 $14 Ra7 27. Qd3 ({White should try} 27. Qb2 $14 Ba4 28. Rc1 (28. exd5 Bxd1 29. dxe6 fxe6 $11)) 27... Ba4 28. Rd2 {aiming for Kh1.} Nxb4 {[#]} (28... e5 $11 29. exd5 Bd7) 29. Rb2 ({White should play} 29. Qb1 $1 {[%cal Rb1b4]} Rb7 30. Kh1) 29... e5 $16 {[%mdl 64] Pin} 30. Rbxb4 {[%mdl 64] Double Attack} Qc5 $1 {[%mdl 64] Pin} 31. Rbc4 Qb6 {[%mdl 64] Pin} 32. Qe3 exd4 33. Qxd4 Qxd4+ 34. Rxd4 $14 {[%mdl 4096] Endgame KRB-KRB} Bb3 35. Rxd6 Ra2 36. h4 h5 37. Kh2 g6 38. Kg3 Kg7 39. Bd3 Rd2 {next ...Bc2 is good for Black.} 40. e5 {Hoping for Bxg6.} Be6 $2 {[%mdl 8192] [#]} (40... Ra2 $16 {is more resistant.}) 41. Bc4 $1 $18 {[%cal Rc4e6][%mdl 576] Discovered Attack} Rxg2+ $2 (41... Rb2) (41... Bxc4 42. Rxd2) 42. Kxg2 Bxc4 {KR-KB} 43. Kg3 Bb3 44. Kf4 Bc2 45. Kg5 Bf5 46. Rf6 Bh3 47. Kf4 Bd7 48. Ke4 Kf8 49. Kd5 Ke7 50. Ra6 {Ra7 would kill now.} Bh3 51. Ra7+ Kf8 52. Kd6 (52. f4 $142 Be6+ 53. Kd6 Bf5 54. Ra8+ Kg7 55. Ke7 Bd3 56. Rd8 Bc4 57. Rd6) 52... Bf5 53. f4 {White mates.} Be6 54. Ra8+ Kg7 55. Ke7 Bc4 56. Rc8 Bd5 57. Rd8 Bb3 58. Rd6 Bc4 59. Rf6 {Accuracy: White = 57%, Black = 31%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.09"]
[Round "9.5"]
[White "Ricardi, Pablo"]
[Black "Granda Zuniga, Julio E"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2493"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,13,10,19,10,2,23,15,22,-184,-187,-179,-80,-141,-140,-155,-105,-147,-115,-95,-99,-133,-131,-117,-125,-209,-199,-312,-288,-319,-320,-350,-345,-344,-349,-329,-330,-343,-329,-347,-320,-343,-342,-325,-312,-352,-273,-283,-193,-306,-236,-351,-316,-287,-285,-528,-445,-485,-451,-516,-517,-504,-491,-831,-831]} 1. c4 e5 2. Nc3 Bb4 3. Nf3 Bxc3 4. dxc3 Qe7 5. e4 (5. g3 b6 6. Bg2 Bb7 7. O-O d6 8. a4 a5 9. b3 Nd7 10. Re1 f5 11. Nh4 Bxg2 12. Kxg2 {½-½ (70) Vakhidov,J (2578)-Kovalenko,I (2668) Almaty 2016}) 5... d6 6. Bd3 {A21: English Opening: 1...e5 2 Nc3} Nd7 $146 ({Predecessor:} 6... Nf6 7. Qe2 Nc6 8. Nh4 g6 9. g3 Be6 10. Ng2 Nd7 11. Ne3 f6 12. Nd5 Bxd5 13. cxd5 {1-0 (38) Kupreichik,V (2433)-Seryogin,P (2245) Tambov 2011}) 7. Bc2 Qe6 8. O-O {White has an edge.} h6 9. Nd4 $2 (9. b3 $11) 9... exd4 $19 10. cxd4 Ngf6 (10... Qxc4 $19 {has better winning chances.} 11. Bb3 Qb4) 11. d5 (11. b3 $142) 11... Qe7 12. f4 O-O ({Stronger than} 12... Nxe4 13. Bxe4 O-O 14. Bc2 $16) 13. Re1 Re8 14. b3 {[#]} b5 $1 15. cxb5 a6 16. bxa6 Bxa6 17. Bd2 (17. a4 $17) 17... Nc5 {[%cal Rc5e4,Bd7c5,Bc5e6,Be6g5][%mdl 32]} 18. e5 (18. Be3 $142) 18... Nxd5 {[%cal Rd6e5]} 19. Qf3 Bb7 ({Worse is} 19... dxe5 20. Rxe5 Qf8 21. Rxd5 $16 (21. Qxd5 Rad8 $11)) 20. Qg3 dxe5 21. fxe5 Ne6 {Strongly threatening ...Qc5+.} 22. Be4 Ng5 23. Bf5 Qc5+ 24. Kh1 Ne7 25. Bd3 Red8 {Played: Ra8-d8} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.09"]
[Round "9.6"]
[White "Santiago, Yago De Moura"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "E51"]
[WhiteElo "2479"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "169"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,169,8,0,3,8,12,18,8,1,-3,0,0,15,19,15,10,11,13,24,24,33,34,34,33,34,33,30,21,25,28,43,29,49,42,44,37,62,52,46,57,54,47,58,60,70,0,61,54,58,58,52,64,68,46,70,70,62,47,67,45,60,0,58,0,61,0,54,47,37,45,66,66,82,59,72,79,115,118,121,125,118,129,149,161,153,149,153,134,164,93,100,106,118,81,116,69,109,0,104,73,95,80,104,78,108,101,102,0,110,90,85,83,105,89,89,66,83,66,76,57,102,110,108,76,122,110,123,117,119,87,109,0,110,120,112,108,112,103,127,115,157,156,156,163,304,301,370,365,229,309,281,71,71,79,79,58,80,12]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 O-O 5. Nf3 d5 6. e3 b6 7. cxd5 exd5 8. Bd3 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} Ba6 (8... Bb7 9. O-O Bd6 10. Rc1 c5 11. Ne5 Nc6 12. Ng4 Nxg4 13. Qxg4 c4 14. Bb1 Ne7 15. Nb5 f5 16. Qe2 a6 17. Nxd6 Qxd6 18. f3 b5 19. Be1 Ng6 20. Ba5 Ne7 21. Be1 Ng6 22. Ba5 Ne7 23. Be1 {½-½ (23) Nakamura,H (2743)-Giri,A (2779) Saint Louis 2019}) 9. Bxa6 Nxa6 10. Qa4 {The position is equal.} Qc8 11. a3 $146 ({Predecessor:} 11. Rc1 Qb7 12. O-O c5 13. dxc5 bxc5 14. a3 Bxc3 15. Bxc3 Ne4 {0-1 (28) Idani,P (2604)-Laxman,R (2425) Sharjah 2019}) 11... Bxc3 12. Bxc3 Qb7 13. O-O Rac8 14. Rac1 Rfe8 15. Rfd1 Nb8 16. Ne5 Ne4 17. Nd3 c6 18. Be1 Nd6 19. Qc2 Nd7 20. Nf4 Nf6 21. Qd3 h6 22. Rc2 a5 23. a4 Nd7 24. Rdc1 Ne4 25. Qd1 Nef6 26. Nd3 Re6 27. h3 Qa8 28. Nf4 Ree8 29. Nd3 (29. Qd3 $14) 29... Kh8 ({Better is} 29... Re6 $1 $11) 30. b3 $14 Kg8 31. Bc3 Ne4 32. Bb2 Qb7 33. Nf4 Nb8 34. Qg4 Nf6 35. Qf5 Qe7 36. Nd3 Nfd7 37. Nf4 Nf6 38. Nd3 Nfd7 39. Nf4 Nf6 40. Ra1 g6 41. Qd3 $1 Qe4 42. Qe2 Qf5 43. Nd3 Ne4 44. Rac1 f6 45. Qg4 Qxg4 46. hxg4 Rcd8 47. Ba3 Nd6 48. Bxd6 Rxd6 49. b4 axb4 50. Nxb4 Rc8 51. Kf1 (51. Ra2 $18) 51... Rc7 $16 52. Ke2 Kg7 53. Rc3 Kf7 54. R1c2 Kg7 55. Rc1 Kf7 56. Kf3 Kg7 57. R3c2 Kf7 58. Kg3 Kg7 59. Rc3 Kf7 60. R3c2 Kg7 $1 61. Kh3 Kf7 62. Kh2 Kg7 63. Rc3 Kf7 64. R1c2 Kg7 65. Kg1 Kf7 66. Rc1 Kg7 67. g3 Kf7 68. R3c2 Kg7 69. Kg2 Kf7 70. Kf3 Kg7 71. Rc3 Kf7 72. R3c2 Kg7 $1 73. Ke2 Kf7 74. Rc3 Kg7 75. f4 Kg8 76. Kf3 Kg7 77. R3c2 Rc8 78. Ra1 c5 (78... Re8 $142 79. a5 bxa5) 79. a5 $1 $18 Rdd8 80. a6 Nc6 81. Nxc6 Rxc6 {[#]} 82. a7 $2 (82. dxc5 $1 $18 {and the rest is easy.} bxc5 83. a7) 82... Ra8 $16 83. dxc5 bxc5 84. Ra5 c4 {[#]} 85. Rxd5 {Accuracy: White = 60%, Black = 53%.} ({White should try} 85. Ke2 $1 $16) 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.10"]
[Round "10.1"]
[White "Slipak, Sergio"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2384"]
[BlackElo "2637"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,80,16,12,7,20,0,0,5,1,0,0,0,8,-7,-6,-18,3,-10,22,22,19,22,23,14,13,11,27,-24,-37,-47,-46,-49,52,-12,0,-4,18,20,18,14,61,0,64,49,64,63,72,65,68,58,85,0,100,0,77,43,193,24,41,21,26,32,45,33,49,0,5,0,24,0,12]} 1. d4 Nf6 2. c3 g6 3. Bg5 Bg7 4. Nd2 O-O 5. e3 d6 6. Ngf3 b6 7. a4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (7. Bd3 Bb7 8. O-O Nbd7 9. e4 h6 10. Bh4 e5 11. Re1 Qe8 12. a4 a6 13. dxe5 Nxe5 14. Nxe5 dxe5 15. Qc2 a5 16. Nc4 Nh5 17. f3 {½-½ (17) Van den Doel,E (2607)-Safarli,E (2676) Hoogeveen 2018}) 7... a6 8. Be2 Nbd7 9. O-O Bb7 10. b4 h6 11. Bh4 g5 $146 ({Predecessor:} 11... c5 12. bxc5 {½-½ (12) Kholmirzaev,B (2355)-Khoroshev,N (2380) Tashkent 2017}) 12. Bg3 Nh5 13. Qb3 Ra7 14. Rfd1 Qa8 15. Nf1 Ndf6 16. c4 Rb8 17. Rab1 e6 18. Ne1 {[#]} b5 $1 {[%mdl 512]} 19. Bf3 (19. Rdc1 $142) (19. axb5 axb5) 19... Bxf3 $11 20. Nxf3 bxc4 21. Qxc4 Nd5 (21... Qd5 $15 22. Qc1 Qb7) 22. Ne1 (22. e4 $1 $14 Ne7 23. d5) 22... f5 23. Nd3 f4 24. exf4 gxf4 25. Bh4 Re8 26. a5 (26. Re1 $14) 26... Rb7 ({Better is} 26... Qb8 $11) 27. Nd2 Rb5 28. Nf3 Qb7 29. Re1 Bh8 30. Qc1 Bg7 31. Qc4 (31. h3 $16) 31... Nhf6 (31... Bh8 $1 $11) 32. Qc1 (32. Bxf6 $16 Bxf6 33. Qc1) 32... Nxb4 (32... Nh5 $11) 33. Nxf4 {And now Bxf6 would win.} Ne4 {[#]} (33... Nfd5 $14 34. Rxe6 Rxe6 35. Nxe6 Qc8 36. Nxg7 Kxg7) 34. Qe3 $2 ({White should play} 34. Rb3 $1 $18) 34... d5 {White must now prevent ...Nc2.} 35. Rec1 $36 {[%mdl 2048] White is pushing.} Na2 36. Rxb5 Qxb5 37. Re1 Nb4 {Threatens to win with ...Nc2.} 38. Rc1 Na2 $1 {[%cal Ra2c1]} 39. Re1 {Nh5 is the strong threat.} Nb4 $1 {[%cal Rb4c2] Strongly threatening ...Nc2.} 40. Rc1 Na2 $1 {Accuracy: White = 32%, Black = 38%.} 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.10"]
[Round "10.2"]
[White "Granda Zuniga, Julio E"]
[Black "Santiago, Yago De Moura"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2644"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,117,17,0,10,8,43,37,74,69,62,71,71,62,115,112,112,110,106,74,75,71,88,71,71,70,93,84,85,84,89,84,85,87,88,96,88,74,112,84,120,114,128,113,123,105,157,145,165,163,188,183,201,199,204,223,214,195,223,223,221,201,348,298,314,220,219,225,397,339,395,395,376,370,450,437,613,614,524,493,781,333,641,463,578,443,834,797,845,806,836,820,29966,29969,29968,29973,29970,29971,29971,29973,29973,7273,29972,4627,4614,1349]} 1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 a5 {E11: Bogo-Indian} 9. Bg5 b5 10. c5 Nfd7 $146 {White is slightly better.} ({Predecessor:} 10... Ne4 11. Bxe7 Qxe7 12. Nc3 Nxc3 13. bxc3 Nd7 14. e4 Ba6 15. Rfe1 Rfb8 16. exd5 cxd5 {1-0 (34) Vazquez Igarza,R (2588)-Taboas Rodriguez,D (2398) Madrid 2013}) 11. Bxe7 Qxe7 12. e4 dxe4 13. Qxe4 b4 (13... a4 $14) 14. Re1 $16 Ba6 15. Nbd2 {[%cal Bb1d2,Bd2e4,Be4d6][%mdl 32]} Nf6 16. Qh4 Nbd7 17. Ne4 Nd5 18. Qxe7 Nxe7 19. Nd6 a4 20. Ne5 Nxe5 21. dxe5 Bd3 22. Rac1 b3 {Strongly threatening ...a3.} 23. Rc3 Bc2 24. a3 Ra5 25. f4 g6 26. Kf2 Rfa8 27. Ke3 Rb8 28. Kd2 Kf8 29. Rc4 Rba8 {[#]} (29... h5 $142) 30. g4 $1 h6 31. h4 Kg8 32. Bf3 Kg7 33. Rh1 Rd8 34. h5 Rf8 35. Ke3 gxh5 36. Rxh5 ({Don't take} 36. gxh5 $6 Rb8 $16) 36... Bg6 37. Rh2 f6 (37... Bc2 {was worth a try.} 38. Be4 Bxe4) 38. exf6+ $18 Rxf6 39. Kf2 Nd5 {[#]} 40. f5 $1 {[%mdl 512]} Bf7 $2 (40... exf5 41. gxf5 Bf7) 41. Bxd5 cxd5 42. Rc1 exf5 43. gxf5 Ra7 44. Ke3 Re7+ (44... h5 $142 45. Rh4 Re7+ 46. Kd3 Be8 47. Rg1+ Kh6) 45. Kd4 Be8 46. Rg1+ Kf8 (46... Kh7 $142 47. Kxd5 Bf7+ 48. Kd4 Be8) 47. Kxd5 (47. Rhg2 $142 {[%csl Gg1][%cal Rg2g8]} Bf7 48. Rg7) 47... h5 $2 (47... Bf7+ 48. Kd4 h5) 48. Rgg2 Rh6 49. Rh4 Re1 (49... Bf7+ $142 50. Kd4 Rh7) 50. Nxe8 Rd1+ 51. Kc4 Kxe8 {[%mdl 4096] Endgame KRR-KRR} 52. Kb5 Rf1 53. Rxa4 Rxf5 54. Rg7 {[%cal Ra4a8]} Kf8 55. Rd7 {[%cal Ra4a8]} Re6 56. Ra8+ Re8 57. Rxe8+ Kxe8 58. Rd3 (58. Rd2 $142 Rf1 59. c6 Rc1 60. Kb6 Rc2 {[#]} 61. c7 $1 {[%mdl 512]} Rxd2 62. c8=Q+ Rd8 63. Qe6+ Kf8 64. a4) 58... Rf2 59. Rxb3 {Accuracy: White = 89%, Black = 29%.} (59. c6 $142 Rxb2 60. Kb6 (60. c7 Rc2 $11)) 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.10"]
[Round "10.3"]
[White "Flores, Diego"]
[Black "Ricardi, Pablo"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2608"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,20,22,0,0,0,0,0,0,0,38,52,10,0,0,28,8,27,83,77,65,52,71,66,58,68,43,29,45,55,44,36,69,31,24,-161,22,18,18,27,28,-8,0,0,0,0,0,-62,-20,-37,-41,-54,-45,-351,-98,-106,-97,-93,-22,-56,-52,-31,65,65,53,62,54,54,29989,297,29983,29984]} 1. c4 e5 2. Nc3 Bb4 3. Nd5 Bc5 4. Nf3 e4 (4... c6 5. Nc3 d6 6. d4 exd4 7. Nxd4 Nf6 8. a3 d5 9. cxd5 Nxd5 10. Nb3 Bb6 11. Nxd5 cxd5 12. g3 Nc6 {1-0 (41) So,W (2765)-Saric,I (2690) chess.com INT 2019}) 5. d4 Bf8 6. Ng5 {A21: English Opening: 1...e5 2 Nc3} c6 7. Nc3 d5 8. cxd5 $146 {The position is equal.} ({Predecessor:} 8. g3 h6 9. Nh3 Nf6 10. cxd5 cxd5 11. Bg2 Nc6 12. O-O {½-½ (33) Papin,V (2502)-Khusnutdinov,R (2472) Melbourne 2014}) 8... cxd5 9. Qa4+ Nc6 (9... Bd7 $5 {[%cal Rd7a4]} 10. Qb3 {[%mdl 64] Double Attack} Bc6 $14) 10. Ngxe4 $1 dxe4 11. d5 {[%mdl 64] [#] Pin} Bd7 12. Qxe4+ Nce7 {And now ...Nf6 would win.} 13. d6 $1 {[%csl LRb7,LRe7][%mdl 64] Pin} Bc6 (13... Nf6 $11 {keeps the balance.} 14. dxe7 Bxe7 15. Qxb7 O-O) 14. Qe5 $16 {[%mdl 64] Pin} Nf6 15. Bg5 Qb6 16. dxe7 Bxe7 17. O-O-O Qxf2 18. e3 {Strongly threatening Bc4.} h6 19. Bf4 {Threatens to win with Bg3.} Kf8 20. Bc4 Re8 21. Rd2 Qh4 {next ...g5 is good for Black.} 22. Rhd1 $2 (22. Bb3 $11 {and White has nothing to worry.}) 22... Qh5 $2 (22... g5 $19 23. g3 Qh5) 23. Qc7 $11 Qc5 24. Bb3 Qb6 25. Qe5 Bc5 26. Qf5 Bxe3 27. Bxe3 Qxe3 28. Qa5 ({White should try} 28. Kb1 $11) 28... h5 29. Kb1 Qb6 30. Qg5 Rh6 31. Rd6 $2 {[%mdl 8192] [#]} (31. Qf5 $15) 31... Qe3 $2 (31... Ne4 $1 $19 {[%cal Re4g5]} 32. Rxc6 Nxg5 33. Rxb6 Rxb6) 32. Qa5 Ne4 33. Rxh6 Nxc3+ (33... Qxh6 $17 34. Nxe4 Bxe4+ 35. Ka1 Kg8) 34. Qxc3 {White wants to mate with Rh8+.} Qxh6 35. Rf1 Be4+ (35... Re7 $15) 36. Ka1 $14 Bg6 37. Qc7 $1 $40 {[%csl LRb7,LRf7][%cal Rb3f7][%mdl 128] White is up to no good.} Re7 38. Qd6 {Black must now prevent Ba4.} Qg5 $2 {[%mdl 8192]} (38... Bf5 $14 39. Qb8+ Re8 40. Qxb7 (40. Qxa7 Rc8 $11) 40... Qf6) 39. Bxf7 $2 (39. Qd8+ {mates} Re8 40. Qxg5 b5 41. Qxb5 Rd8 42. Qc6 Re8 43. Qd6+ Re7 44. Re1) 39... Qf6 $2 (39... Bf5 $18) 40. Rxf6 {Accuracy: White = 50%, Black = 33%.} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.10"]
[Round "10.4"]
[White "Henriquez Villagra, Cristobal"]
[Black "Perez Ponsa, Federico"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2593"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,135,-36,-1,0,19,0,20,33,28,26,28,-31,0,0,0,0,0,-20,-6,-36,-17,-36,0,0,33,8,45,39,71,64,83,83,105,112,134,82,101,105,151,149,143,147,156,141,142,127,135,98,102,95,95,94,110,105,106,69,56,56,64,60,61,6,20,25,23,6,6,13,50,44,50,46,105,105,105,87,83,81,83,50,134,134,150,151,157,147,173,156,273,271,246,225,321,341,522,525,471,458,756,740,635,667,793,770,1271,1259,1142,1011,1661,1660,1478,1747,2256,2177,4818,4134,29967,29973,29973,29974,29974,29975,29976,29977,29977,29977,29945,12834]} 1. g3 e5 2. Bg2 d5 3. d3 Nf6 4. Nf3 Bd6 5. Nc3 (5. Nbd2 O-O 6. e4 c6 7. O-O Re8 8. Re1 Nbd7 9. c3 h6 10. Qc2 Nf8 11. b3 Ng6 12. Bb2 Bg4 13. h3 Be6 14. Rad1 Qc7 15. Nf1 Rad8 16. Ne3 Qc8 17. Kh2 {0-1 (39) Mamedyarov,S (2799)-Grischuk,A (2772) Huaian 2017}) 5... d4 6. Nb5 {A00: Irregular Openings} Be7 $146 ({Predecessor:} 6... O-O 7. c3 dxc3 8. bxc3 Nc6 9. O-O Re8 10. Nd2 Bf8 11. a4 Ne7 12. Nc4 Ned5 {1-0 (54) Hickl,J (2609)-Miralles,G (2491) Switzerland 2012}) 7. O-O a6 8. Na3 {The position is equal.} Bxa3 9. bxa3 Nc6 10. e4 ({White should play} 10. Bb2 $11) 10... dxe3 11. fxe3 O-O 12. Bb2 Qd6 13. Qd2 Be6 14. Nh4 Nd5 15. Nf5 Bxf5 16. Rxf5 Nde7 17. Rf2 Qe6 18. a4 Qg4 19. Ba3 Qxa4 20. Qc3 $1 $36 {[%mdl 2048] White has strong initiative.} Rae8 21. Rb1 Qa5 22. Qb3 (22. Qxa5 $142 Nxa5 23. Bxb7) 22... Nd8 23. Bh3 Qd5 24. Qxd5 Nxd5 25. c4 Nf6 26. Bxf8 Kxf8 27. Bc8 b6 28. Bxa6 Ne6 29. Rd1 Rd8 30. Bb5 Ne4 31. Rc2 Rd6 32. c5 {Played: Bb5-c6} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.10"]
[Round "10.5"]
[White "Pichot, Alan"]
[Black "Felgaer, Ruben"]
[Result "0-1"]
[ECO "B36"]
[WhiteElo "2588"]
[BlackElo "2560"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,114,41,31,43,9,18,6,59,59,56,51,52,58,64,14,17,0,0,23,34,29,29,10,22,8,19,19,21,0,15,0,25,0,-1,-16,-14,-23,-10,-19,-16,-14,-9,-31,-31,-53,-53,-53,-53,-53,-53,-53,-53,-53,-53,-56,-36,-110,-107,-135,-114,-130,-129,-127,-127,-130,-132,-126,-115,-115,-95,-118,-14,-35,-43,-126,-119,-135,-139,-267,-304,-1225,0,-1362,-1329,-1293,-1124,-378,-1402,-29978,-29979,-29981,-29982,-29987,-29986,-29986,-29985,-29987,-29978]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd3 Nd7 {B36: Sicilian: Maroczy Bind: Gurgenidze System} (10... a5 11. Bd4 a4 12. O-O Qa5 13. Nd5 Nxd5 14. exd5 Bf5 15. Qe3 Bxd4 16. Qxd4 Qb4 17. a3 Qc5 18. Qd2 {1-0 (61) Hovhannisyan,R (2637)-Guseinov,G (2664) St Petersburg 2018}) 11. O-O Nc5 12. Qc2 b6 (12... Bxc3 $11 13. Qxc3 Nxe4) 13. f3 $14 a5 14. b3 $146 ({Predecessor:} 14. Rab1 Bd7 15. Nd5 f5 16. b4 axb4 17. Rxb4 e6 18. Nxb6 Ra3 19. Nxd7 Qxd7 20. Bf2 fxe4 21. Rd1 Qc7 22. Bd4 Nd3 {0-1 (22) Beuchler,H (2100)-Meulner,K (2090) Bayern 1998}) 14... Be5 15. Rad1 Bb7 16. Nd5 e6 17. f4 (17. Nc3 {keeps more tension.} Qe7 18. Qc1 Bc6 19. g3 h5 20. Kg2) 17... Bg7 18. Nc3 $1 {[%cal Bd5c3,Bc3b5,Bb5d4][%mdl 32]} Qe7 19. Bf3 Rac8 20. Rfe1 Rfd8 21. Nb5 Bc6 22. Nd4 Bb7 23. Nb5 Bc6 24. Nd4 Ba8 25. Qb1 e5 26. Nb5 exf4 27. Bxf4 {[%cal Rb5d6]} Be5 $36 {[%mdl 2048] Black is pushing.} 28. Qc1 Bc6 {Hoping for ...Bxb5.} 29. Nc3 Ne6 30. Bxe5 dxe5 31. Nd5 Bxd5 $1 32. exd5 Nd4 $1 33. Kh1 Qd6 34. Qg5 f6 35. Qg3 Kg7 36. Be4 b5 37. cxb5 (37. Bd3 $15) 37... Nxb5 $17 38. h4 Nc3 39. Rd3 Nxe4 ({Don't play} 39... Nxa2 $6 40. h5 $11) 40. Rxe4 Rc5 41. Rc4 Rxd5 42. Rxd5 Qxd5 {[%mdl 4096] Endgame KQR-KQR} 43. Rc7+ Rd7 44. Qc3 {[#]} Rxc7 ({Black should try} 44... e4 $1 $17 {Strongly threatening ...Qd1+.} 45. Kg1 Rxc7 46. Qxc7+ Kf8) 45. Qxc7+ {KQ-KQ} Kh6 46. Qb6 (46. Qe7 $15) 46... f5 47. Qf6 Qc5 48. a3 (48. Qg5+ $17 Kg7 49. g3) 48... e4 $19 {White must now prevent ...e3.} ({But not} 48... Qxa3 49. Qxe5 Kh5 50. Qe3 $17) 49. g3 $2 (49. b4 axb4 50. axb4 Qxb4 51. Qg5+ Kg7 52. g3) 49... Qxa3 $2 ({Black should play} 49... e3 $19 50. b4 axb4 51. axb4 Qc1+ 52. Kg2 Qc2+ 53. Kg1 Qf2+ 54. Kh1 Qxg3) 50. Kg2 $2 {[%mdl 8192]} (50. h5 $11 Qc1+ 51. Kh2 Qd2+ 52. Kh3) 50... Qc1 51. Qe7 Qd2+ 52. Kh3 Qe3 53. Qe5 {[#]} Qf3 $1 {[%cal Rf3h1] Black mates.} 54. Kh2 Kh5 55. Qxa5 Qf2+ 56. Kh3 Qf1+ 57. Kh2 Kg4 {Accuracy: White = 40%, Black = 66%.} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.10"]
[Round "10.6"]
[White "Delgado Ramirez, Neuris"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "C62"]
[WhiteElo "2619"]
[BlackElo "2441"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,128,20,-68,-57,-64,-56,-58,-60,-62,-60,-57,-57,-69,-30,-88,-89,-88,-89,-89,-87,-87,-68,-89,-87,-93,-90,-106,-100,-110,-105,-99,-102,-166,-96,-115,-79,-77,-58,-82,-82,-94,-89,-89,-89,-83,-87,-90,-87,-112,-87,-146,-101,-114,-108,-108,-95,-105,-95,-112,0,-137,-97,-259,-278,-541,-548,-499,-562,-558,-554,-556,-556,-545,-526,-498,-413,-456,-447,-487,-473,-624,-624,-615,-603,-745,-742,-725,-696,-923,-614,-708,-548,-568,0,-579,-570,-800,-774,-756,-739,-1252,-2211,-2195,-2199,-5227,-2921,-6149,-6149,-6648,-5868]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Bg5 Nf6 8. Nc3 Be7 9. O-O-O O-O 10. Rhe1 Re8 11. h4 (11. Kb1 $11) 11... h6 $15 {C62: Ruy Lopez: Steinitz Defence} 12. Bf4 Ng4 13. Qd2 Bf6 {Black is slightly better.} 14. Nd4 Bxd4 $146 ({Predecessor:} 14... Bxh4 15. g3 Bg5 16. f3 Ne5 17. Bxg5 hxg5 18. Rh1 Qf6 19. Qh2 Ng6 20. Nf5 Nh4 21. gxh4 gxh4 22. Rdg1 {1-0 (22) Sivokho,S (2478)-Polaninov,A (2260) St Petersburg 2001}) 15. Qxd4 Qxh4 16. f3 {Hoping for g3.} Qf6 (16... Ne5 {looks sharper.} 17. Be3 b5 18. Kb1 a5 19. Ne2 Qe7) 17. Qd2 {[#]} (17. Qxf6 $11 {remains equal.} Nxf6 18. e5 dxe5 19. Rxe5) 17... Ne5 {Played: Ng4-f2} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.11"]
[Round "11.1"]
[White "Hoffman, Alejandro"]
[Black "Slipak, Sergio"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2441"]
[BlackElo "2384"]
[Annotator "NA"]
[PlyCount "102"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 4. Nf3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Bf4 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 6. e3 {[%emt 0:00:30]} b6 {[%emt 0:13:01]} 7. Bd3 {[%emt 0:04:21]} dxc4 {[%emt 0:00:30]} 8. Bxc4 {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 9. O-O {[%emt 0:00:30]} Nbd7 {[%emt 0:14:50]} 10. Qe2 {[%emt 0:10:10]} Nd5 {[%emt 0:05:10]} 11. Nxd5 {[%emt 0:13:56]} exd5 {[%emt 0:12:44]} 12. Ba6 {[%emt 0:00:30]} Qc8 {[%emt 0:00:30]} 13. Bd3 {[%emt 0:09:00]} Nf6 {[%emt 0:00:30]} 14. Rac1 {[%emt 0:06:20]} c5 {[%emt 0:00:30]} 15. dxc5 {[%emt 0:04:30]} bxc5 {[%emt 0:00:30]} 16. Nd4 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 17. Rfd1 {[%emt 0:18:30]} Qd8 {[%emt 0:00:30]} 18. Nb5 {[%emt 0:04:00]} Qb6 {[%emt 0:04:00]} 19. Bc7 {[%emt 0:00:30]} Qe6 {[%emt 0:09:41]} 20. Bg3 {[%emt 0:00:30]} Qb6 {[%emt 0:00:30]} 21. b3 {[%emt 0:00:30]} Rac8 {[%emt 0:00:30]} 22. Nc3 {[%emt 0:00:30]} Qe6 {[%emt 0:11:41]} 23. Na4 {[%emt 0:00:30]} Nh5 {[%emt 0:00:30]} 24. Qd2 {[%emt 0:00:30]} Nxg3 {[%emt 0:06:50]} 25. hxg3 {[%emt 0:00:30]} c4 {[%emt 0:03:10]} 26. Be2 {[%emt 0:00:30]} Ba3 {[%emt 0:09:59]} 27. Rc2 {[%emt 0:00:30]} cxb3 {[%emt 0:00:30]} 28. axb3 {[%emt 0:00:30]} Bb4 29. Qc1 {[%emt 0:05:51]} d4 30. Rxd4 {[%emt 0:00:30]} Qxb3 31. Rxc8 {[%emt 0:00:30]} Rxc8 32. Qd1 {[%emt 0:00:30]} Qxd1+ 33. Bxd1 {[%emt 0:00:30]} a5 34. Bb3 {[%emt 0:02:51]} Rc1+ 35. Kh2 {[%emt 0:00:30]} Bc6 36. Rd8+ {[%emt 0:00:30]} Kg7 37. Nb6 {[%emt 0:04:00]} Rb1 38. Bd5 {[%emt 0:00:30]} Bxd5 39. Nxd5 {[%emt 0:00:30]} Be1 40. f3 {[%emt 0:00:30]} a4 41. e4 {[%emt 0:31:40]} Rb5 42. e5 {[%emt 0:09:40]} a3 43. f4 {[%emt 0:00:30]} Rxd5 44. Rxd5 {[%emt 0:00:30]} a2 45. Rd1 {[%emt 0:00:30]} Bc3 46. g4 {[%emt 0:00:30]} h6 47. g3 {[%emt 0:00:30]} a1=Q 48. Rxa1 {[%emt 0:00:30]} Bxa1 49. Kg2 {[%emt 0:00:30]} Kf8 50. Kf3 {[%emt 0:00:30]} Ke7 51. Ke4 {[%emt 0:00:30]} Bc3 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.11"]
[Round "11.2"]
[White "Felgaer, Ruben"]
[Black "Delgado Ramirez, Neuris"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2560"]
[BlackElo "2619"]
[Annotator "ChessBase"]
[PlyCount "116"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 3. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 4. Nxd4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Nc3 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 6. g3 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 7. Nb3 {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 8. Be2 {[%emt 0:13:01]} Be6 {[%emt 0:00:30]} 9. f4 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 10. f5 {[%emt 0:05:10]} Bc8 {[%emt 0:14:00]} 11. Be3 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 12. Nd5 {[%emt 0:10:10]} Nbd7 {[%emt 0:00:30]} 13. a4 {[%emt 0:00:30]} Nxd5 {[%emt 0:00:30]} 14. Qxd5 {[%emt 0:00:30]} Rb8 {[%emt 0:05:10]} 15. axb5 {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 16. Qd3 {[%emt 0:00:30]} axb5 {[%emt 0:00:30]} 17. O-O {[%emt 0:06:20]} O-O {[%emt 0:00:30]} 18. Ra7 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 19. Bf3 {[%emt 0:07:37]} Re8 {[%emt 0:00:30]} 20. Rfa1 {[%emt 0:28:04]} d5 {[%emt 0:00:30]} 21. Qxb5 {[%emt 0:00:30]} Qc8 {[%emt 0:00:30]} 22. Qe2 {[%emt 0:04:30]} dxe4 {[%emt 0:00:30]} 23. Bg2 {[%emt 0:00:30]} Bd5 {[%emt 0:00:30]} 24. h3 {[%emt 0:18:30]} Qxf5 {[%emt 0:00:30]} 25. c4 {[%emt 0:00:30]} Rxb3 {[%emt 0:00:50]} 26. cxd5 {[%emt 0:00:30]} Nxd5 {[%emt 0:00:30]} 27. Qc4 Rxe3 {[%emt 0:05:21]} 28. Qxd5 Rxg3 {[%emt 0:00:30]} 29. Rf1 Qg6 {[%emt 0:00:30]} 30. Rxe7 Rxg2+ {[%emt 0:00:30]} 31. Kh1 Rf8 {[%emt 0:00:30]} 32. Rexf7 Rg1+ {[%emt 0:00:30]} 33. Rxg1 Qxf7 {[%emt 0:00:30]} 34. Qxe4 Qe6 {[%emt 0:00:30]} 35. Qg4 Qd5+ {[%emt 0:00:30]} 36. Rg2 g6 {[%emt 0:00:30]} 37. Kh2 Rf4 {[%emt 0:06:50]} 38. Qc8+ Kg7 {[%emt 0:00:30]} 39. Qc7+ Kh6 {[%emt 0:00:30]} 40. Qc1 Qf7 {[%emt 0:03:10]} 41. Qe3 Qf6 {[%emt 0:30:30]} 42. b4 g5 {[%emt 0:00:30]} 43. b5 Rb4 {[%emt 0:00:30]} 44. Rf2 Qe6 {[%emt 0:00:30]} 45. Rc2 Rxb5 {[%emt 0:00:30]} 46. h4 Qg4 {[%emt 0:10:09]} 47. hxg5+ Kh5 {[%emt 0:05:30]} 48. Qf2 Qf4+ {[%emt 0:17:40]} 49. Qxf4 exf4 {[%emt 0:00:30]} 50. Kg2 Kg4 {[%emt 0:00:30]} 51. Kh2 Rb3 {[%emt 0:01:30]} 52. Kg2 Rh3 {[%emt 0:00:30]} 53. Rc4 Ra3 {[%emt 0:00:30]} 54. Rc2 Rg3+ {[%emt 0:00:30]} 55. Kf2 Rh3 {[%emt 0:00:30]} 56. Rc5 Rh2+ {[%emt 0:00:30]} 57. Kf1 f3 {[%emt 0:00:30]} 58. Kg1 Kg3 {[%emt 0:00:30]} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.11"]
[Round "11.3"]
[White "Perez Ponsa, Federico"]
[Black "Pichot, Alan"]
[Result "1-0"]
[ECO "E35"]
[WhiteElo "2560"]
[BlackElo "2588"]
[Annotator "ChessBase"]
[PlyCount "57"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:00:30]} Bb4 {[%emt 0:00:30]} 4. Qc2 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 5. cxd5 {[%emt 0:00:30]} exd5 {[%emt 0:00:30]} 6. Bg5 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 7. Bh4 {[%emt 0:00:30]} g5 {[%emt 0:00:30]} 8. Bg3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 9. e3 {[%emt 0:00:30]} h5 {[%emt 0:00:30]} 10. Bb5 {[%emt 0:00:30]} h4 {[%emt 0:00:30]} 11. Be5 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 12. Bxf6 {[%emt 0:19:11]} Qxf6 {[%emt 0:00:30]} 13. a3 {[%emt 0:00:30]} Bf5 {[%emt 0:00:30]} 14. Bd3 {[%emt 0:00:30]} Bxc3+ {[%emt 0:00:30]} 15. bxc3 {[%emt 0:00:30]} Ne7 {[%emt 0:00:30]} 16. h3 {[%emt 0:10:10]} c5 {[%emt 0:00:30]} 17. Nf3 {[%emt 0:05:10]} Rac8 {[%emt 0:00:30]} 18. Bxf5 {[%emt 0:06:20]} Nxf5 {[%emt 0:00:30]} 19. Qb3 {[%emt 0:00:30]} Rfd8 {[%emt 0:07:37]} 20. Qxb7 {[%emt 0:12:44]} Rb8 {[%emt 0:00:30]} 21. Qxa7 {[%emt 0:00:30]} cxd4 {[%emt 0:09:00]} 22. cxd4 {[%emt 0:00:30]} Ra8 {[%emt 0:29:20]} 23. Qc7 {[%emt 0:00:30]} Qa6 {[%emt 0:00:30]} 24. Qe5 {[%emt 0:00:30]} Qd3 {[%emt 0:00:30]} 25. Rd1 {[%emt 0:00:30]} Qc3+ {[%emt 0:00:30]} 26. Nd2 {[%emt 0:00:30]} Qd3 {[%emt 0:00:30]} 27. Nb1 {[%emt 0:00:30]} Qc2 {[%emt 0:00:50]} 28. O-O {[%emt 0:00:30]} Re8 {[%emt 0:00:30]} 29. Qxd5 {[%emt 0:00:30]} 1-0

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.11"]
[Round "11.4"]
[White "Ricardi, Pablo"]
[Black "Henriquez Villagra, Cristobal"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2493"]
[BlackElo "2593"]
[Annotator "ChessBase"]
[PlyCount "100"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 3. Bb5+ {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 4. O-O {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 5. Bxd7+ {[%emt 0:00:30]} Bxd7 {[%emt 0:00:30]} 6. c3 {[%emt 0:00:30]} Nf6 {[%emt 0:04:20]} 7. Re1 {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 8. d4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 9. h3 {[%emt 0:14:51]} Bh5 {[%emt 0:10:10]} 10. d5 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 11. Nbd2 {[%emt 0:00:30]} g5 {[%emt 0:05:10]} 12. g4 {[%emt 0:13:57]} Bg6 {[%emt 0:00:30]} 13. Nh2 {[%emt 0:00:30]} h5 {[%emt 0:12:44]} 14. f3 {[%emt 0:00:30]} hxg4 {[%emt 0:00:30]} 15. hxg4 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 16. Ndf1 {[%emt 0:00:30]} Qf6 {[%emt 0:09:00]} 17. Be3 {[%emt 0:06:20]} Be7 {[%emt 0:00:30]} 18. a4 {[%emt 0:00:30]} Rh3 {[%emt 0:00:30]} 19. a5 {[%emt 0:04:29]} Kf8 {[%emt 0:00:30]} 20. Kg2 {[%emt 0:18:31]} Qh8 {[%emt 0:00:30]} 21. b4 {[%emt 0:00:30]} c4 {[%emt 0:00:30]} 22. Ra2 {[%emt 0:00:30]} Kg7 {[%emt 0:00:30]} 23. Kg1 {[%emt 0:00:30]} Qh7 {[%emt 0:00:30]} 24. Rg2 {[%emt 0:00:30]} Rh8 {[%emt 0:04:00]} 25. Qe2 {[%emt 0:04:00]} Qh4 {[%emt 0:09:41]} 26. Nd2 {[%emt 0:11:40]} Rg3 {[%emt 0:00:30]} 27. Ndf1 {[%emt 0:00:30]} Rxg2+ {[%emt 0:00:30]} 28. Kxg2 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 29. Bf2 {[%emt 0:00:30]} Qh3+ {[%emt 0:00:30]} 30. Kg1 {[%emt 0:00:30]} Nxd5 {[%emt 0:00:30]} 31. Bg3 {[%emt 0:10:00]} Nf4 {[%emt 0:05:40]} 32. Bxf4 {[%emt 0:00:30]} exf4 {[%emt 0:00:30]} 33. Qxc4 {[%emt 0:00:30]} Bf6 {[%emt 0:00:30]} 34. Rd1 {[%emt 0:04:20]} Be5 {[%emt 0:00:30]} 35. Rxd6 {[%emt 0:03:31]} Bxd6 {[%emt 0:00:30]} 36. Qd4+ {[%emt 0:00:30]} Kh7 {[%emt 0:00:30]} 37. Qxd6 {[%emt 0:00:30]} Qh4 {[%emt 0:00:30]} 38. Qd5 {[%emt 0:02:50]} Rc8 {[%emt 0:05:52]} 39. c4 {[%emt 0:00:30]} Kh6 {[%emt 0:00:30]} 40. c5 {[%emt 0:00:30]} Qe1 {[%emt 0:02:38]} 41. Qd4 Kh7 {[%emt 0:37:20]} 42. Kg2 Qe2+ {[%emt 0:05:00]} 43. Kg1 Qe1 {[%emt 0:00:30]} 44. Kg2 Rh8 {[%emt 0:08:10]} 45. Qd5 Qxb4 {[%emt 0:00:30]} 46. Qxg5 Qb2+ {[%emt 0:00:30]} 47. Kg1 Qc1 {[%emt 0:00:30]} 48. Qe5 Rc8 {[%emt 0:00:30]} 49. Qf6 Rxc5 {[%emt 0:00:30]} 50. e5 Qe1 {[%emt 0:00:30]} 0-1

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.11"]
[Round "11.5"]
[White "Santiago, Yago De Moura"]
[Black "Flores, Diego"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2479"]
[BlackElo "2608"]
[Annotator "ChessBase"]
[PlyCount "97"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:00:30]} Bb4 {[%emt 0:00:30]} 4. Bd2 {[%emt 0:00:30]} c5 {[%emt 0:13:01]} 5. a3 {[%emt 0:00:30]} Bxc3 {[%emt 0:04:20]} 6. Bxc3 {[%emt 0:00:30]} Ne4 {[%emt 0:00:30]} 7. Qc2 {[%emt 0:14:51]} Nxc3 {[%emt 0:00:30]} 8. Qxc3 {[%emt 0:00:30]} Qf6 {[%emt 0:00:30]} 9. Nf3 {[%emt 0:00:30]} Nc6 {[%emt 0:10:10]} 10. Rd1 {[%emt 0:00:30]} b6 {[%emt 0:05:10]} 11. e3 {[%emt 0:13:57]} Bb7 {[%emt 0:00:30]} 12. Qd2 {[%emt 0:21:43]} cxd4 {[%emt 0:00:30]} 13. Nxd4 {[%emt 0:00:30]} Nxd4 {[%emt 0:06:20]} 14. Qxd4 {[%emt 0:00:30]} Qxd4 {[%emt 0:00:30]} 15. Rxd4 {[%emt 0:00:30]} Ke7 {[%emt 0:00:30]} 16. f3 {[%emt 0:00:30]} Rhd8 {[%emt 0:23:00]} 17. Be2 {[%emt 0:04:00]} d5 {[%emt 0:13:42]} 18. cxd5 {[%emt 0:00:30]} Bxd5 {[%emt 0:00:30]} 19. Kf2 {[%emt 0:11:40]} e5 {[%emt 0:00:30]} 20. Rd3 {[%emt 0:00:30]} Be6 {[%emt 0:00:30]} 21. Rc1 {[%emt 0:06:50]} Rac8 {[%emt 0:00:30]} 22. Rxc8 {[%emt 0:00:30]} Rxc8 {[%emt 0:00:30]} 23. Ke1 {[%emt 0:00:30]} e4 {[%emt 0:08:50]} 24. Rd2 {[%emt 0:10:41]} exf3 {[%emt 0:00:30]} 25. Bxf3 {[%emt 0:00:30]} Kf6 {[%emt 0:05:51]} 26. Bd1 {[%emt 0:00:30]} Rc1 {[%emt 0:00:30]} 27. Kf2 {[%emt 0:00:30]} Ke5 {[%emt 0:00:30]} 28. Bf3 {[%emt 0:02:38]} a5 {[%emt 0:00:30]} 29. Be2 {[%emt 0:03:20]} g5 {[%emt 0:00:30]} 30. Bd3 {[%emt 0:04:10]} h5 {[%emt 0:00:30]} 31. Rc2 {[%emt 0:00:30]} Rxc2+ {[%emt 0:02:50]} 32. Bxc2 {[%emt 0:00:30]} Bf5 {[%emt 0:00:30]} 33. Bb3 {[%emt 0:00:30]} Be6 {[%emt 0:00:30]} 34. Bc2 f6 {[%emt 0:00:30]} 35. g3 Bf5 {[%emt 0:00:30]} 36. Bb3 Bg4 {[%emt 0:00:30]} 37. Bc2 Bh3 {[%emt 0:00:30]} 38. Bd1 Bg4 39. Bc2 Bd7 40. Bd1 Be8 41. Bc2 h4 42. gxh4 gxh4 43. Kf3 Bd7 44. Kf2 Bc6 45. Bb3 Be4 46. Ke2 f5 47. Kf2 Kd6 48. Ke2 Kc5 49. Be6 1/2-1/2

[Event "Magistral Szmetan Giardelli 2019"]
[Site "Buenos Aires"]
[Date "2019.12.11"]
[Round "11.6"]
[White "Mareco, Sandro"]
[Black "Granda Zuniga, Julio E"]
[Result "1/2-1/2"]
[ECO "D51"]
[WhiteElo "2637"]
[BlackElo "2644"]
[Annotator "ChessBase"]
[PlyCount "23"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 4. Nc3 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 5. Bg5 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 6. Bh4 {[%emt 0:00:30]} Nbd7 {[%emt 0:04:20]} 7. e3 {[%emt 0:00:30]} g5 {[%emt 0:08:30]} 8. Bg3 {[%emt 0:00:30]} Nh5 {[%emt 0:00:30]} 9. Be5 {[%emt 0:00:30]} Nhf6 {[%emt 0:00:30]} 10. Bg3 {[%emt 0:00:30]} Nh5 {[%emt 0:00:30]} 11. Be5 {[%emt 0:00:30]} Nhf6 {[%emt 0:00:30]} 12. Bg3 {[%emt 0:00:30]} 1/2-1/2

