[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.05"]
[Round "1"]
[White "Granda Zuniga, Julio E"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2650"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,44,18,20,0,24,12,21,8,21,16,12,0,0,0,11,15,15,8,14,14,12,13,28,14,14,15,16,22,16]} 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 O-O 5. e3 d6 6. Nge2 a6 {A22: English Opening: 1...e5 2 Nc3 Nf6} 7. O-O (7. b3 Re8 8. Bb2 Nc6 9. d3 Ba7 10. Qd2 Bf5 11. h3 h6 12. g4 Be6 13. a3 d5 14. cxd5 Nxd5 {1-0 (60) Nakamura,H (2779)-Mareco,S (2635) Doha 2016}) 7... Nc6 8. a3 Bf5 9. d4 Ba7 {LiveBook: 16 Games} 10. d5 Ne7 11. e4 Bd7 12. Qd3 Rc8 $146 ({Predecessor:} 12... Ne8 13. Be3 Bxe3 14. Qxe3 {0-1 (28) Kaminski,V (2129)-Hamilton,R (2333) Toronto 2006}) 13. h3 c6 14. Be3 Bxe3 15. Qxe3 b5 16. dxc6 Rxc6 17. cxb5 axb5 18. Rfd1 Qb8 19. Na2 Rcc8 20. Nb4 Nc6 {The position is equal.} 21. Qd2 Nxb4 22. Qxb4 Rc4 {Accuracy: White = 69%, Black = 43%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.05"]
[Round "1"]
[White "Flores, Diego"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2631"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,58,29,0,0,0,0,0,0,-109,0,0,0,0,0,0,-3,-11,0,-81,-47,-205,-184,-262,-259,-418,-418,-472,-459,-477,-473,-467,-468,-442,-445,-689,-632,-753,-751,-854,-837,-792,-788]} 1. Nf3 d5 2. e3 c5 3. b3 Nf6 4. Bb2 Nc6 5. Bb5 e6 6. Ne5 {A06: Réti Opening:1 Nf3 d5} (6. Bxc6+ bxc6 7. d3 Bd6 8. Nbd2 O-O 9. e4 Nd7 10. e5 Be7 11. O-O Rb8 12. Re1 Qc7 13. c4 Rd8 {1-0 (38) Nakamura,H (2777)-Hou,Y (2658) chess.com INT 2018}) 6... Qc7 7. O-O {[%cal Bh1f1,Bf1f3,Bf3h3][%mdl 32]} Bd6 8. Bxc6+ bxc6 9. f4 O-O 10. Rf3 {LiveBook: 5 Games} Nd7 {[%cal Rd7e5]} 11. Rh3 f6 12. Qh5 {[%csl Gh3][%cal Rh5h7]} fxe5 13. Qxh7+ Kf7 {...Nf6 is the strong threat.} 14. Rg3 $1 {[%cal Rg3g7]} Ke8 {White must now prevent ...Nf6.} 15. Rxg7 Ba6 {[#]} 16. g3 $146 ({Predecessor:} 16. Na3 exf4 17. exf4 {0-1 (52) Rogers,I (2605)-Bacrot,E (2555) Cap d'Agde 1998}) 16... exf4 17. exf4 Kd8 18. d3 {[#]} (18. Nc3 $11 {remains equal.}) 18... e5 $1 $17 19. f5 $2 (19. Qh3 $15) 19... c4 $19 20. dxc4 (20. d4 $142) 20... Qb6+ ({Not} 20... dxc4 21. Nc3 $11) 21. Kg2 $2 (21. Kh1 Nf6 22. Qh6) 21... Nf6 {[%cal Bd7f6,Bf6e4,Be4d2][%mdl 32]} 22. Qh6 {[#] aiming for Rg6.} Ne4 $1 {Black is clearly winning.} 23. Nd2 Qf2+ {[%mdl 64] Double Attack} 24. Kh1 {Hoping for Nxe4.} Qxd2 25. Qxd2 Nxd2 26. cxd5 (26. g4 $142) 26... Be2 {( -> ...Bf3+)} 27. h4 cxd5 28. Re1 Bf3+ 29. Kh2 Be4 {Accuracy: White = 35%, Black = 100%.} 0-1

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.05"]
[Round "1"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "Darcyl, Tomas"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2628"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,66,0,0,0,18,2,10,0,6,5,58,58,63,49,116,106,112,102,90,91,190,187,197,197,196,182,207,200,185,184,184,180,177,182,178,183,174,178,179,179,193,179,201,205,200,195,232,220,282,252,286,247,358,346,344,337,29979]} 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. h4 Bg7 6. h5 {A16: English Opening: 1...Nf6 with ...d5} Nc6 {LiveBook: 55 Games} 7. e4 Ndb4 $146 ({Predecessor:} 7... Nb6 8. Bb5 Bg4 9. h6 Bf6 10. d4 Bxf3 11. Qxf3 Qxd4 12. Be3 Qd6 13. Bf4 Qe6 14. O-O O-O 15. Bxc6 bxc6 16. Rfe1 {½-½ (16) Vallejo Pons,F (2705)-Svidler,P (2755) Porto Carras 2011}) 8. d3 {The position is equal.} Bg4 9. a3 {hxg6 is the strong threat.} Na6 10. Be3 Qd7 ({Black should play} 10... Nd4 $11) 11. Qb3 $14 Na5 12. Qc2 $1 $36 {[%mdl 2048] White is pushing.} Nc6 {[#]} (12... Bxf3 $14 13. gxf3 c5) 13. d4 $1 $16 {aiming for Bb5.} Bxf3 14. gxf3 {Strongly threatening d5.} Nxd4 15. Bxd4 Qxd4 (15... Bxd4 $16 {was necessary.} 16. O-O-O O-O) 16. Bxa6 $18 bxa6 {[#]} 17. Nb5 $1 {[%mdl 576] Discovered Attack} axb5 18. Qc6+ {[%mdl 64] Double Attack} Qd7 19. Qxa8+ {[%mdl 64] Double Attack} Qd8 20. Qxd8+ Kxd8 {[%mdl 4096] Endgame KRR-KRB} 21. O-O-O+ Kc8 22. Kc2 c5 23. b4 Bd4 24. bxc5 Bxc5 25. Rd5 Bxa3 26. Rxb5 Kd7 27. hxg6 fxg6 28. Kd3 Ke6 29. f4 h5 30. Rg5 Kf7 31. f5 gxf5 (31... Rd8+ {is a better defense.} 32. Kc4 gxf5 33. Rxf5+ Kg6 34. Rhxh5 Rd7 35. Rhg5+ Kh6) 32. Rxf5+ Ke6 33. Rhxh5 ({Don't take} 33. Rfxh5 Rd8+ 34. Kc4 Rc8+ 35. Kb3 Bd6) 33... Bb4 $2 {Accuracy: White = 97%, Black = 42%.} (33... Rd8+ $18 34. Ke2 Bb2) 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.04"]
[Round "1"]
[White "Bacallao Alonso, Yusnel"]
[Black "Bachmann, Axel"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2582"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,43,0,0,12,4,4,0,20,27,64,18,39,16,36,26,18,23,23,14,9,14,17,0,0,1,6,0,0,0,65,73]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. e4 {A28: English Opening: Four Knights Variation} d6 8. g3 {LiveBook: 31 Games} Ne8 9. Nh4 {The position is equal.} Be6 $146 ({Predecessor:} 9... Ne7 10. d3 f5 11. exf5 Nxf5 12. Nxf5 Bxf5 13. Bg2 c6 14. h3 {1-0 (56) Carlsen,M (2843)-Topalov,V (2749) Shamkir 2018}) 10. d3 Ne7 11. Bg2 Qc8 12. Rb1 Rb8 13. O-O f5 14. Bg5 (14. f4 {feels hotter.} fxe4 15. Bxe4 Bh3 16. Bg2 b6 17. Re1) 14... Nf6 15. exf5 Nxf5 16. Nxf5 Bxf5 17. Bxf6 Rxf6 18. f4 c6 19. fxe5 dxe5 20. Qe2 Qd7 21. Be4 Bh3 (21... Rbf8 $11) 22. Rxf6 {Accuracy: White = 45%, Black = 56%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.05"]
[Round "1"]
[White "El Debs, Felipe de Cresce"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2544"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,89,38,39,40,27,29,67,38,43,35,39,36,33,34,33,29,60,47,53,0,0,-4,10,0,0,0,0,0,62,17,0,0,0,-14,-23,-51,-56,-53,-46,-26,-23,-59,-70,-48,-50,-69,-104,-85,-79,-95,-26,-50,27,12,30,16,11,44,202,186,191,193,736,144,407,393,464,450,814,826,821,799,912,904]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 O-O 7. Bg2 {C41: Philidor Defence} c6 (7... Re8 8. O-O Bf8 9. h3 Nbd7 10. Re1 c5 11. Nf5 Ne5 12. Bg5 h6 13. Bxf6 Qxf6 14. Nd5 Qd8 {½-½ (32) Oparin,G (2602)-Mamedyarov,S (2799) Moscow 2017}) 8. O-O Re8 9. h3 Bf8 {LiveBook: 40 Games} 10. b3 a5 11. Re1 g6 12. Bb2 Nbd7 13. Qd2 Nc5 {[#]} 14. a4 $146 ({Predecessor:} 14. Rad1 Bg7 {1-0 (35) Erenburg,S (2563)-Hoffman,A (2475) Montevideo 2018}) 14... Bg7 15. Rad1 Bd7 16. Ba3 Qb6 17. Qf4 Rad8 18. Qd2 (18. Nf3 $14) 18... Bc8 19. Re2 h5 20. Kh1 Na6 21. Bb2 Nb4 22. f4 Nd7 (22... Nh7 $11) 23. Nf3 Nc5 24. Qe1 Qc7 25. Rdd2 b6 26. Nd1 Bxb2 27. Nxb2 Ba6 28. Re3 d5 $1 {[%cal Rd5e4,Bd6d5,Bd5d4][%mdl 32]} 29. e5 Ne4 30. c3 Nxd2 31. Qxd2 {[#]} d4 $1 {[%cal Rd4e3]} 32. cxd4 {[#]} c5 $1 {[%cal Rc5d4] ...cxd4 is the strong threat.} 33. f5 cxd4 (33... gxf5 $17 34. Re1 Qe7) 34. Re4 Rc8 ({Black should play} 34... f6 $15 35. fxg6 Bb7 36. exf6 Bxe4 37. f7+ {[%mdl 64] Double Attack} Kg7 38. Qxd4+ {[#]} Re5 $1 {[%mdl 512]} 39. Qxe5+ Qxe5 40. Nxe5 Bxg6) 35. Nc4 $1 $11 Bxc4 36. bxc4 Qxc4 {White must now prevent ...Qc1+.} 37. Re1 $1 Qc5 $2 (37... Qc2 $14 38. Qh6 Qxf5) 38. fxg6 $18 {And now Qh6 would win.} fxg6 {Threatens to win with ...Re6.} 39. Qh6 Rc6 $2 (39... Re6) 40. Nxd4 $2 $40 {[%mdl 128] White has strong attack.} (40. Ng5 $18 {and the rest is easy. White wants to mate with Qh7+.} Re7 41. Rf1) 40... Rxe5 $2 {[%mdl 8192]} (40... Rce6 $16 {keeps fighting.} 41. Nxe6 Rxe6) 41. Rxe5 Qxe5 42. Nxc6 {White is clearly winning.} Qxg3 (42... Qd6 $142 43. Nxb4 axb4) 43. Ne7+ {[%mdl 64] Double Attack} Kf7 44. Qh7+ Ke6 45. Nxg6 {Accuracy: White = 54%, Black = 38%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.05"]
[Round "1"]
[White "Slipak, Sergio"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2421"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,44,-24,-18,13,0,0,0,0,0,55,21,28,0,0,8,28,-15,16,20,24,12,28]} 1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. Nge2 Nf6 7. d3 O-O 8. O-O a6 9. Rb1 Rb8 10. a4 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} Bd7 11. f3 $146 ({Predecessor:} 11. Be3 Ng4 12. Bg5 h6 13. Bc1 Nb4 14. f4 f5 {0-1 (48) Berkes,F (2696)-Tadic,B (2506) Jahorina 2012}) 11... Ne8 12. Be3 Nc7 13. d4 {LiveBook: 27 Games} b6 14. b3 e5 {[%cal Re5d4]} 15. dxe5 dxe5 16. Nd5 Ne6 ({Black should try} 16... Nd4 $11) 17. Nec3 f5 18. exf5 gxf5 19. f4 exf4 20. gxf4 Ncd4 21. b4 Kh8 22. b5 a5 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.06"]
[Round "2"]
[White "Mareco, Sandro"]
[Black "Flores, Diego"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2656"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,33,35,18,22,22,27,13,43,13,26,20,20,16,20,20,25,19,29,0,0,0,0,0,0,0,21,-10,-9,-8,-12,-39,-13,-16,-20,-41,-17,-48,-19,-22,-12,-20,-8,-14,-8,-47,-37,-64,-72,-74,-78,-80,-47,-47,-47,-48,-16,-21,-20,-31,-28,-52,-5,-6,-3,-8,0,0,0,-10,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 g6 (4... c5 5. Nc3 a6 6. cxd5 exd5 7. Be2 Nc6 8. O-O cxd4 9. Nxd4 Bd6 10. b3 Be5 11. Nxc6 bxc6 12. Bb2 h5 13. f4 Bb8 14. Na4 Ba7 15. Bd4 Bg4 16. Bxg4 hxg4 17. Rc1 {1-0 (68) Mamedyarov,S (2801)-Navara,D (2741) Biel 2018}) 5. b3 Nbd7 6. Nc3 {D30: Queen's Gambit Declined: Systems without Nc3} Bg7 7. Bd3 O-O 8. O-O {White has an edge.} dxc4 9. Bxc4 b6 10. Ba3 Re8 11. Qe2 $146 ({Predecessor:} 11. Rc1 Bb7 12. Qe2 Qb8 13. h3 Bf8 14. Bxf8 Rxf8 {1-0 (26) Ret,A (1458)-Svetinsky,V (1405) Hradec Kralove 2016}) 11... a6 12. Rfd1 Bb7 13. Rac1 Qb8 {Threatens to win with ...b5.} 14. e4 c5 15. dxc5 Nxc5 16. Bxc5 bxc5 17. Bd3 Qf4 18. h3 c4 19. bxc4 Nd7 20. Na4 Bc6 {[%mdl 1024] Black has compensation.} 21. Bc2 Red8 22. g3 Qc7 23. Rb1 Rac8 24. Qe3 Bf8 25. Qc3 Rb8 26. Rxb8 Rxb8 27. a3 Bg7 28. Qe3 Qa5 29. Qd2 Qxd2 30. Rxd2 Bf8 31. Nd4 Bxa4 $1 32. Bxa4 Nb6 33. Bb3 Bxa3 34. Nc6 Rc8 35. Ra2 Bf8 36. Ne5 {The position is equal.} Ra8 37. Rc2 Rc8 38. Ra2 Ra8 39. Rc2 Rc8 40. Ra2 {Accuracy: White = 55%, Black = 62%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.06"]
[Round "2"]
[White "Bachmann, Axel"]
[Black "Iturrizaga Bonelli, Eduardo"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2621"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,58,30,102,83,91,83,81,90,110,74,75,72,153,162,176,176,266,265,248,250,228,226,240,205,237,177,193,186,140,105,92,93,94,72,72,21,24,27,42,0,0,0,0,-4,0,-58,-57,-95,-5,-8,0]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 g5 5. c3 $146 ({Predecessor:} 5. h3 Bg7 6. c3 h6 7. d4 cxd4 8. cxd4 d5 9. e5 Nge7 10. Nc3 a6 11. O-O b5 12. Be3 {½-½ (70) Andriasian,Z (2621)-Miezis,N (2509) Tallinn 2016}) 5... Bg7 (5... g4 $11 {remains equal.} 6. Nh4 b6) 6. d4 $16 {B40: Sicilian: 2...e6, Unusual lines} g4 7. Nfd2 cxd4 8. Qxg4 {White is better.} Qf6 9. cxd4 Nxd4 10. Qd1 b6 (10... Ne7 $142) 11. O-O Ba6 {[#] Hoping for ...Ne2+.} 12. Re1 $1 {Strongly threatening e5.} Qe5 (12... e5 {was worth a try.}) 13. Nc3 $18 Ne7 {[#]} 14. Nb3 $1 Ndc6 15. Bf4 Qf6 16. e5 Qg6 17. Nd4 {Be4 is the strong threat.} O-O 18. Be4 f5 19. exf6 Qxf6 20. Nxc6 dxc6 21. Qh5 h6 22. Kh1 (22. Rad1 $16) 22... Rad8 $11 23. Rad1 Rxd1 24. Rxd1 Nd5 $1 25. Bd2 Qf7 26. Qxf7+ Kxf7 27. f4 ({Better is} 27. Bf3 $11) 27... Rd8 $1 $15 28. Be1 Ke7 (28... Nxc3 $17 29. Rxd8 Nxe4 30. Rd7+ Kg6) 29. Bf3 $11 Bc4 {Accuracy: White = 61%, Black = 58%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.06"]
[Round "2"]
[White "Perez Ponsa, Federico"]
[Black "Bacallao Alonso, Yusnel"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2554"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,59,0,7,14,9,12,16,16,10,16,18,18,21,30,26,26,19,19,29,25,17,7,5,3,0,9,0,0,0,0,0,0,8,16,22,26,20,24,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Qg4 Nc6 6. Nf3 {B12: Caro-Kann: Advance Variation} h5 (6... Nge7 7. Bb5 Ng6 8. Be3 Bd7 9. Bxc6 bxc6 10. c3 Qb8 11. Qb4 Qc7 12. Qd4 Ne7 13. Qd3 {½-½ (42) Vachier Lagrave,M (2796)-Fontaine,R (2549) chess.com INT 2017}) 7. Qf4 Bxc5 8. Bd3 Nb4 9. O-O {LiveBook: 4 Games} Nxd3 $146 (9... Ne7 {is interesting.} 10. Ng5 Rf8 11. Bh7 g6 12. Nd2 Nf5) ({Predecessor:} 9... Ne7 10. Nc3 Nxd3 11. cxd3 Bd7 12. d4 Ng6 13. Qg3 {½-½ (27) Telepnev,I (2525)-Voveris,S (2319) ICCF email 2015}) 10. cxd3 Ne7 11. d4 Ng6 12. Qg3 Be7 13. Nc3 Bd7 14. Bg5 Bxg5 15. Nxg5 Ne7 16. Qf4 {[%csl Gg5][%cal Rf4f7] [#]} Nf5 17. Rfd1 Qe7 18. Rac1 Rc8 19. Nf3 O-O 20. h3 Rc4 21. Rd2 Rfc8 22. Rcd1 b5 23. g4 Nh4 24. gxh5 Nxf3+ 25. Qxf3 f6 26. exf6 Qxf6 27. Qg4 Rf8 {The position is equal.} 28. Nxd5 exd5 29. Qxd7 {[%mdl 64] [#] Double Attack} Rxd4 $1 30. Rxd4 {Accuracy: White = 76%, Black = 80%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.06"]
[Round "2"]
[White "El Debs, Felipe de Cresce"]
[Black "Slipak, Sergio"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2544"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,51,25,28,0,41,0,36,27,48,54,37,0,24,14,19,0,12,26,30,0,0,0,0,0,0,-22,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Nh6 7. c3 O-O 8. h3 {B31: Sicilian: 2...Nc6 3 Bb5 g6} d5 9. d3 c4 10. exd5 cxd5 11. dxc4 dxc4 12. Qxd8 Rxd8 {LiveBook: 3 Games} 13. Na3 Bb7 14. Nxc4 Bxf3 15. Bxh6 Bxh6 16. gxf3 {[#]} Rac8 $146 17. Na3 Rd3 18. Rad1 Rxf3 19. Rxe7 Rxh3 20. Rxa7 Rc5 $1 {[%cal Rc5g5]} 21. Ra8+ Kg7 {[#] Hoping for ...Rg5+.The position is equal.} 22. Re8 Rch5 23. Kf1 Rh2 {...Rf5 is the strong threat.} 24. Ke2 Rf5 25. Rf1 Bg5 26. Nc4 {Accuracy: White = 55%, Black = 58%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.05"]
[Round "2"]
[White "Hoffman, Alejandro"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2470"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,79,0,50,-17,18,8,28,0,13,0,0,0,0,0,-12,-34,-33,-23,-28,-32,-22,-33,-37,-30,-32,-40,-34,-35,-40,-66,17,12,12,15,20,20,12,-9,-11,-10,0,-21,-34,-13,0,-8,0,0,0,-9,0,0,24,11,16,16,22,25,25,27,36,27,112,112]} 1. d4 e6 2. e4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 dxc4 6. Bxc4 Nf6 7. O-O O-O 8. Nc3 Nc6 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4} 9. h3 Bf5 {LiveBook: 26 Games} (9... h6 10. Re1 Bf5 11. a3 Re8 12. Rxe8+ Qxe8 13. Nb5 Qd7 14. Nxd6 Qxd6 15. Qb3 Be6 16. Bxe6 fxe6 17. Bf4 Qd5 18. Qxb7 Nxd4 19. Qxd5 Nxd5 20. Nxd4 Nxf4 {½-½ (59) Zvjaginsev,V (2673)-Popov,I (2596) Moscow 2016}) 10. d5 (10. Bg5 $14) 10... Ne7 $146 {The position is equal.} ({Predecessor:} 10... Ne5 11. Nxe5 Bxe5 12. Re1 Re8 13. Bg5 Qd6 14. Nb5 Qb4 15. Bxf6 gxf6 16. Qb3 Qxb3 17. axb3 Bxb2 18. Nxc7 Rxe1+ 19. Rxe1 {0-1 (37) Travkina,A (2176)-Severina,M (2104) Taganrog 2011}) 11. Nd4 Bc8 12. Bg5 Ng6 13. a3 h6 14. Be3 Re8 15. Re1 a6 16. Bb3 Bd7 17. Qd3 Qc8 18. Qf1 Nf4 19. Bxf4 Bxf4 20. Qd3 Bd6 21. Rac1 Rxe1+ 22. Rxe1 Qf8 23. Re3 Re8 (23... Bc5 $15) 24. Ne6 $1 $11 {[%cal Re6f8]} fxe6 25. dxe6 {[#]} Bxe6 $1 {[%mdl 512]} 26. Bxe6+ Kh8 27. Qg6 Bc5 28. Re2 Qd6 29. Bc4 Rxe2 30. Bxe2 Qf4 31. Nd1 Bd4 32. Qd3 Qe5 33. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Ne4 34. Qf3 {Hoping for Qf8+.} Bc5 35. Bd3 Nf6 36. b4 Qe1+ 37. Kh2 Bd6+ 38. g3 Qd2 $1 39. Kg2 c6 {[#]} (39... c5 $11) 40. Qf5 $1 {Accuracy: White = 44%, Black = 46%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.06"]
[Round "2"]
[White "Darcyl, Tomas"]
[Black "Granda Zuniga, Julio E"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2366"]
[BlackElo "2650"]
[Annotator "RC"]
[PlyCount "47"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:06:03]} d5 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:24]} c6 {[%emt 0:00:13]} 3. Bg2 {[%emt 0:00:18]} Bg4 {[%emt 0:00:22]} 4. O-O {[%emt 0:02:51]} Nd7 {[%emt 0:00:18]} 5. d3 {[%emt 0:01:17]} e5 {[%emt 0:04:16]} 6. e4 {[%emt 0:01:20]} dxe4 {[%emt 0:01:02]} 7. dxe4 {[%emt 0:00:09]} f6 {[%emt 0:00:25]} 8. Qe2 {[%emt 0:04:25]} Bc5 {[%emt 0:02:19]} 9. a4 {[%emt 0:02:37]} a5 {[%emt 0:01:09]} 10. Na3 {[%emt 0:01:10]} Ne7 {[%emt 0:01:32]} 11. Rd1 {[%emt 0:06:46]} Nc8 {[%emt 0:07:02]} 12. Nc4 {[%emt 0:12:25]} O-O {[%emt 0:02:34]} 13. Ne3 {[%emt 0:02:55]} Be6 {[%emt 0:00:10]} 14. Qf1 {[%emt 0:00:21]} Ncb6 {[%emt 0:02:48]} 15. Bh3 {[%emt 0:03:06]} Bf7 {[%emt 0:04:46]} 16. Bf5 {[%emt 0:51:53]} g6 {[%emt 1:09:04]} 17. Bxd7 {[%emt 0:00:30]} Nxd7 {[%emt 0:00:30]} 18. Qh3 {[%emt 0:00:30]} Be8 {[%emt 0:00:30]} 19. Qe6+ {[%emt 0:00:30]} Kh8 {[%emt 0:00:30]} 20. Nxe5 {[%emt 0:00:30]} fxe5 {[%emt 0:00:30]} 21. Rxd7 {[%emt 0:00:30]} Qxd7 {[%emt 0:00:30]} 22. Qxe5+ {[%emt 0:00:30]} Kg8 {[%emt 0:00:30]} 23. Qxc5 {[%emt 0:00:30]} Kh8 {[%emt 0:00:30]} 24. Ng4 {[%emt 0:00:30]} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.06"]
[Round "3"]
[White "Granda Zuniga, Julio E"]
[Black "Bachmann, Axel"]
[Result "*"]
[ECO "D20"]
[WhiteElo "2650"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,42,0,4,0,0,-11,0,0,0,0,0,-6,0,-14,0,-27,0,0,16,0,32,28,52,47,130]} 1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bb5 Bc5 8. Qc2 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4} Bb6 9. Bxc6+ bxc6 10. Qxc6+ Bd7 {LiveBook: 6 Games} 11. Qc2 Ne7 12. Na3 c5 $146 ({Predecessor:} 12... O-O 13. Nc4 c5 14. Nfe5 Be6 15. b3 f5 {½-½ (53) Granda Zuniga,J (2610)-Nabaty,T (2501) Benidorm 2009}) 13. Ne5 O-O {[%cal Bh8f8,Bf8e8,Be8e6][%mdl 32]} 14. Nxd7 Qxd7 15. Nc4 Nc6 16. Bd2 Rfe8 17. Rfe1 Re6 18. Qd3 Rae8 19. b3 Qe7 20. f4 Qd8 ({Don't play} 20... Rxe4 21. Rxe4 Qxe4 22. Re1 $16) 21. e5 f6 {Accuracy: White = 66%, Black = 19%.} ({Black should try} 21... Bc7 $14) *

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.07"]
[Round "3"]
[White "Flores, Diego"]
[Black "Darcyl, Tomas"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2631"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,81,10,30,29,74,60,67,74,77,62,91,36,36,37,40,29,31,30,37,35,36,36,43,34,44,29,43,31,30,36,40,41,72,82,62,72,99,89,96,106,78,78,124,108,152,154,160,120,133,30,61,10,83,50,220,190,228,30,123,101,100,75,112,118,1146,1128,1538,1627,1587,1470]} 1. g3 d5 2. Bg2 g6 3. c4 dxc4 4. Na3 Bg7 5. Nxc4 Nf6 6. Nf3 O-O 7. O-O Nc6 {LiveBook: 21 Games} 8. b3 {A07: Réti Opening: New York and Capablanca Systems} (8. d3 Be6 9. Ne3 h6 10. Bd2 Nd5 11. Nxd5 Bxd5 12. Bc3 e5 13. Nd2 Bxg2 14. Kxg2 Nd4 15. Bxd4 exd4 {½-½ (66) Andreikin,D (2727)-Wang,H (2743) Moscow 2013}) 8... Ne4 $146 ({Predecessor:} 8... a5 9. Bb2 Be6 10. d3 a4 11. bxa4 Bxc4 12. dxc4 Qxd1 13. Rfxd1 Rxa4 14. Ne5 Na5 15. c5 Ne4 16. Nd3 Nc3 17. Bxc3 Bxc3 18. Rac1 Bf6 19. Rc2 Ra8 20. Rb1 Ra7 21. Rb4 Ra3 22. h4 {½-½ (22) Saric,A (2492)-Kreisl,R (2386) Zadar 2010}) 9. Bb2 Bxb2 10. Nxb2 {White is slightly better.} Bg4 11. d3 Nd6 12. Rc1 (12. d4 $16) 12... Bxf3 $14 13. Bxf3 Nd4 14. Bg2 e5 15. Qd2 Re8 16. e3 N4f5 17. Na4 {[%cal Bb2a4,Ba4c5,Bc5b3][%mdl 32]} c6 18. Nc5 Qe7 19. b4 Rad8 20. Qb2 h5 21. h3 Rc8 22. a4 b6 23. Nb3 e4 24. Rfd1 exd3 25. Rxd3 Ne4 26. Nd2 $1 {[%cal Rd2e4]} Nxd2 27. Qxd2 c5 28. Rd7 Red8 29. Rxe7 Rxd2 30. Rxa7 {And now a5 would win.} c4 31. Rc3 (31. g4 $16 hxg4 32. hxg4) 31... Rd1+ $11 32. Bf1 (32. Kh2 $14) 32... Rb1 (32... Nd6 $11 {remains equal.} 33. Kg2 Rd2) 33. b5 {Strongly threatening Rb7.} Rd8 $2 {[#]} ({Black should play} 33... Nd6 $14) 34. Kg2 $1 $18 ({Inferior is} 34. Rxc4 Rdd1 $15) 34... Rd2 {White must now prevent ...Rbb2.} 35. e4 $2 (35. Bxc4 $18 Nd6 36. Bxf7+ Nxf7 37. Rcc7) 35... Nd6 (35... Rb3 $1 $11 36. Rf3 (36. Bxc4 Rxc3 37. Bxf7+ {[%mdl 64] Double Attack} Kf8 $11) 36... Ne3+ 37. Rxe3 Rxe3 38. Bxc4 Kh8) 36. e5 $36 {[%mdl 2048] White is in control.} Ne4 37. Rf3 Ng5 {[#]} 38. Rfxf7 $1 {[%mdl 512]} Rxf1 $2 {[%mdl 8192]} (38... Nxf7 $16 39. Bxc4 Re1) 39. Rg7+ {[%mdl 64] Double Attack. White is clearly winning.} Kf8 40. Kxf1 c3 41. Rgc7 {Accuracy: White = 55%, Black = 34%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.06"]
[Round "3"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "E72"]
[WhiteElo "2628"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,36,3,-6,-35,-20,-17,-25,-41,-20,-60,-25,-58,-43,-88,-58,-63,-29,-24,-2,7,30,-32,-21]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. e4 c5 7. Nge2 cxd4 8. Nxd4 Nc6 {LiveBook: 7 Games} 9. Nc2 {E72: King's Indian: 4 e4 d6 5 g3} (9. Nde2 a6 10. O-O Be6 11. Nd5 Ne5 12. b3 b5 13. cxb5 Nxd5 14. exd5 Bg4 15. Bb2 axb5 16. Kh1 Qd7 {½-½ (49) Avotins,M (2466)-Nekhaev,A (2519) ICCF email 2015}) 9... Bg4 10. f3 Be6 11. b3 {Black has an edge.} a6 $146 {[%cal Ba7a6,Ba6b5,Bb5b4][%mdl 32]} ({Predecessor:} 11... Nd7 12. Bb2 Qa5 13. Qd2 Nc5 14. O-O a6 15. f4 f5 16. exf5 Bxf5 17. Bxc6 bxc6 {0-1 (32) Wolff,P (1997)-Zatschek,M (2148) Korbach 2013}) 12. O-O b5 13. cxb5 axb5 {[#] White must now prevent ...Nxe4!} 14. Kh1 b4 15. Na4 Nd7 16. Bb2 Bxb2 17. Nxb2 Qb6 18. Nd3 (18. f4 $11) 18... Nc5 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.07"]
[Round "3"]
[White "Bacallao Alonso, Yusnel"]
[Black "El Debs, Felipe de Cresce"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2582"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,95,18,48,57,48,55,56,14,14,15,18,12,11,11,11,11,11,11,11,11,8,0,28,4,4,-25,-26,-10,-14,-21,0,-14,7,0,0,0,87,79,554,558,1043,990,1265,1296,4276,3562,11262,6099,12850,12851,29960,29964,29971,29973,29972,29974,29974,29975,29975,29976,29975,29977,29977,29976,29975,29976,29975,29974,29972,29973,29980,29981,29991,29992]} 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Bd2 Bf6 9. Ne5 {E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3)} Nxc3 10. Bxc3 Bxg2 11. Kxg2 d5 12. Qa4 Qe8 {LiveBook: 3 Games} 13. Qxe8 Rxe8 14. cxd5 exd5 {[#]} 15. Rfd1 $146 ({Predecessor:} 15. Nd3 Rxe2 16. Nf4 Re6 17. Nxe6 fxe6 {1-0 (46) Melkumyan,H (2624)-Gabuzyan,H (2570) Yerevan 2017}) 15... c5 {Strongly threatening ...cxd4.} 16. e3 cxd4 17. exd4 Na6 18. Rac1 Rac8 19. Bd2 Nc7 20. Nc6 Ne6 21. Be3 Rc7 22. Rc3 Rec8 23. Rdc1 a5 24. Bf4 Nxf4+ 25. gxf4 {Hoping for Ne7+!} Kf8 26. Kf3 Ke8 27. Ke3 Kd7 {[%cal Rc7c6]} (27... g6 {seems wilder.} 28. Kd3 Kd7 29. Ne5+ Bxe5 30. fxe5 Rxc3+ 31. bxc3 Rc4) 28. Ne5+ Bxe5 $1 29. dxe5 Rxc3+ (29... Rc4 $1 $11 {remains equal.} 30. Rxc4 dxc4) 30. Rxc3 $16 Rxc3+ $4 {[%mdl 8192]} (30... Rf8 $16) 31. bxc3 $11 {[%mdl 4096] Endgame KP-KP} g6 32. Kd4 Kc6 33. h3 {[%cal Bh2h3,Bh3h4][%mdl 32]} h6 34. h4 h5 35. f3 b5 36. a3 a4 {[#]} 37. f5 $1 {[%mdl 512] White mates.} g5 (37... gxf5 38. f4) 38. hxg5 h4 39. g6 fxg6 40. fxg6 h3 41. g7 h2 42. g8=Q h1=Q 43. Qe6+ Kc7 44. Qd6+ Kb7 45. Kc5 Qg1+ 46. Kb4 Qb1+ {[#]} 47. Ka5 $1 Qd3 48. Qd7+ {Accuracy: White = 77%, Black = 38%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.07"]
[Round "3"]
[White "Pichot, Alan"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2562"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,63,5,16,-4,0,-17,-8,-37,-38,-35,-31,-34,-31,-64,-54,-56,-43,-52,-50,-66,-64,-62,-64,-80,-75,-74,-70,-61,-49,-47,-52,-54,-10,-5,-6,-18,0,0,0,0,0,0,0,0,0,0,29993,-649]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. Bxc6 dxc6 7. d3 Nd7 8. Nbd2 O-O {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} 9. Nc4 Re8 {LiveBook: 5 Games} 10. Bd2 Bf8 {The position is equal.} 11. b4 $146 ({Predecessor:} 11. a4 c5 12. Bc3 f6 13. Nh4 Nb8 14. f4 exf4 15. Rxf4 Nc6 16. Nf5 {0-1 (44) Miranda Mesa,E (2460)-Quesada Perez,Y (2638) Villahermosa 2016}) 11... c5 12. Qb1 b5 13. Ne3 Nb6 14. bxc5 Bxc5 15. Bb4 Bxe3 16. fxe3 Na4 17. Ba5 f6 18. Nh4 Be6 19. Qe1 Qd7 20. Nf5 c5 {[%cal Bc7c5,Bc5c4][%mdl 32]} 21. a3 Rac8 22. Rd1 Rc6 23. g4 Qa7 24. Qg3 c4 25. g5 Bxf5 26. Rxf5 fxg5 27. Rdf1 h6 28. Rxe5 Rxe5 29. Qxe5 Qxe3+ {[%mdl 64] [#] Double Attack} 30. Kh1 {Strongly threatening Qd5+.} Kh7 31. Qe8 Qa7 $2 {[%mdl 8192]} (31... Rd6 $11) 32. Rd1 $4 {[%mdl 40960] Accuracy: White = 56%, Black = 77%. . An unexpected result.} (32. Rf8 {is the narrow road to win.} Qf7 33. Rxf7 Rc8 34. Qxc8 {[%mdl 64] Double Attack} Kg6 35. Qf5+ Kh5 36. Rxg7 Kh4 37. Kg2 cxd3 38. Qh3#) 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.06"]
[Round "3"]
[White "Slipak, Sergio"]
[Black "Hoffman, Alejandro"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2421"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,38,0,-7,14,15,18,15,22,21,14,14,14,12,18,14,16,11,15,11,12,0,31]} 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 f5 5. e3 d6 6. Nge2 Nf6 7. b3 O-O 8. O-O c6 {A21: English Opening: 1...e5 2 Nc3} (8... Nbd7 9. d3 c6 10. Ba3 Qc7 11. Qd2 Re8 12. Rae1 Nc5 13. h3 e4 14. dxe4 Nfxe4 15. Qc2 Nxc3 16. Nxc3 {1-0 (59) Carlsen,M (2802)-Nakamura,H (2741) London 2010}) 9. Ba3 Re8 10. Rc1 {LiveBook: 6 Games. The position is equal.} Be6 11. d4 Bf7 12. dxe5 $146 ({Predecessor:} 12. d5 c5 13. e4 fxe4 14. Qd2 a6 15. Bb2 Nbd7 {1-0 (42) Petursson,M (2529)-Gerola,F (2148) Porto Mannu 2015}) 12... dxe5 13. Qxd8 Rxd8 14. e4 fxe4 15. Rcd1 Na6 16. Nxe4 Nxe4 17. Bxe4 Bf8 18. Bxf8 Kxf8 19. Rfe1 Kg8 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.08"]
[Round "4"]
[White "Bachmann, Axel"]
[Black "Flores, Diego"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2621"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,85,8,29,63,32,53,44,62,-55,-53,-66,-100,-81,-59,-330,14,20,17,7,22,36,15,13,35,15,43,17,47,41,8,0,50,0,112,98,79,97,80,89,95,95,312,204,205,205,205,205,205,205,237,237,237,205,205,204,418,414,411,404,501,491,6053,5937,29972,29973,29972,29969]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b6 {E05: Open Catalan: 5 Nf3 Be7} 8. Ne5 Qxd4 9. Bxa8 Qxe5 10. Bf3 Nd5 11. Qxc4 {LiveBook: 14 Games} c5 $146 ({Predecessor:} 11... Ba6 12. Qa4 c5 13. Na3 Qc7 14. Rd1 Qc8 15. Bd2 {½-½ (27) Cheparinov,I (2711)-Bacrot,E (2677) Zagreb 2018}) 12. Qa4 a6 13. Rd1 Bb7 14. Qb3 ({Better is} 14. Nc3 $1 $14) 14... Nc6 $1 $15 15. Bxd5 exd5 16. Bf4 {[#]} Qe6 $1 17. Qxd5 $2 {[%mdl 8192]} (17. Qxb6 $15 Nd4 18. Qxe6 (18. Qxb7 Nxe2+ 19. Kf1 Nxf4 $11) 18... Nxe6 19. Nd2) 17... Qxe2 $2 (17... Rd8 $19 18. Qb3 Rxd1+ 19. Qxd1 Nd4) 18. Nc3 $1 $11 {[%cal Rc3e2]} Qxb2 19. Qd7 Qxc3 20. Qxb7 Qf3 21. Re1 Bf6 22. Re3 Qd5 23. Rae1 h5 24. Re8 Rxe8 25. Rxe8+ Kh7 26. Qxa6 Nd4 (26... g5 $11 27. Be3 Ne5 28. Rxe5 Bxe5) 27. Qd3+ $16 g6 28. Qe4 Qxa2 29. Kg2 Qa4 30. Rb8 h4 $2 (30... Qb3 $16 {might work better.}) 31. gxh4 Qd7 {[#] aiming for ...Qg4+.} 32. Bg3 $40 {[%mdl 128] Rb7 is the strong threat. White goes for the king.} Qf5 33. Qxf5 Nxf5 $18 {[%mdl 4096] Endgame KRB-KBN} 34. Kh3 c4 35. Rxb6 Kg7 36. Rc6 c3 37. Kg4 Bd4 $2 (37... Nh6+ 38. Kf3 Nf5) 38. h5 Nh6+ 39. Kg5 f6+ 40. Kf4 gxh5 (40... Nf5 $142 41. hxg6 Nxg3 42. Kxg3 Kxg6) 41. Ke4 Be5 42. Bxe5 fxe5 43. f3 {Accuracy: White = 61%, Black = 31%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.08"]
[Round "4"]
[White "Perez Ponsa, Federico"]
[Black "Granda Zuniga, Julio E"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2554"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,111,11,0,14,31,18,31,16,17,18,19,20,15,18,18,15,10,35,27,42,33,40,41,61,23,47,47,43,44,43,51,49,46,70,74,72,70,77,70,84,60,45,51,54,50,49,40,49,45,45,39,52,51,51,58,57,52,56,40,51,39,56,36,43,54,50,33,35,42,50,8,9,6,8,7,7,3,78,80,95,3,4,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Ne8 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} (9... Bf6 10. Re1 Re8 11. c3 Rxe1 12. Qxe1 Ne8 13. d5 c6 14. Nd2 cxd5 15. Nf3 d6 16. Be3 Nc7 17. Qd2 Bd7 18. g3 {½-½ (32) Giri,A (2780)-Caruana,F (2827) Batumi 2018}) 10. c4 Bf6 11. Re1 d5 12. cxd5 Qxd5 13. Be3 {LiveBook: 4 Games} Bf5 14. Nc3 Qd7 {[#]} 15. Rc1 $146 ({Predecessor:} 15. Qf3 Nd6 16. Nd5 Bd8 17. Bf4 {1-0 (26) Fedorchuk,S (2603)-Petkov,V (2456) Metz 2007}) 15... Nd6 16. Nd5 Bd8 17. Bf4 c6 18. Ne3 {Bxd6 is the strong threat.} Be6 19. d5 cxd5 20. Nxd5 {Strongly threatening Bxd6.} Ne8 21. Nc3 Qxd1 22. Rexd1 Rc8 23. Be3 a6 24. Be2 f5 25. Bf3 Rf7 $1 26. Ne2 Rxc1 27. Bxc1 Bf6 28. b3 Rc7 29. Nf4 Bf7 30. Nd5 Bxd5 31. Bxd5+ Kf8 32. Be6 g6 33. Bf4 Re7 34. Bc4 Kg7 35. Kf1 Bc3 36. a4 Nf6 37. f3 Ba5 38. Bc1 Bc7 39. g3 Rd7 40. Rxd7+ Nxd7 $14 {[%mdl 4096] Endgame KBB-KBN} 41. Ke2 Kf6 42. Bd5 b6 43. f4 Nc5 44. Be3 Bd6 45. Bd4+ Ke7 46. Kd2 b5 47. axb5 axb5 48. Kc3 Ne4+ 49. Kd3 Nc5+ $1 50. Ke3 h6 {[#]} (50... Ne6 $11 {keeps the balance.}) 51. Bg7 $1 $16 h5 {[#]} 52. Bd4 (52. Be5 $1 $16) 52... Ne6 $11 {The position is equal.} 53. Bb6 h4 54. Kf3 hxg3 55. hxg3 g5 56. fxg5 {Accuracy: White = 71%, Black = 68%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.08"]
[Round "4"]
[White "El Debs, Felipe de Cresce"]
[Black "Iturrizaga Bonelli, Eduardo"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2544"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,54,12,2,-8,3,-23,-12,-27,-25,-25,-6,-10,-6,-8,0,-7,-7,-7,2,-6,-8,-6,0,0,-1,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 {[%cal Be7e6,Be6d5,Bd5d4][%mdl 32]} 3. b3 a6 4. Bb2 Nc6 5. g3 d5 6. exd5 {B40: Sicilian: 2...e6, Unusual lines} exd5 7. Qe2+ Qe7 8. Qxe7+ Ngxe7 {LiveBook: 22 Games} 9. Nc3 (9. Bg2 Bf5 10. O-O O-O-O 11. Nc3 h6 12. Na4 Ng6 13. d4 Bxc2 {½-½ (29) Nisipeanu,L (2668)-Markus,R (2662) Ortisei 2016}) 9... Bf5 10. d3 $146 ({Predecessor:} 10. O-O-O Nb4 11. d3 d4 12. Ne4 Nec6 13. Re1 O-O-O 14. a3 Nd5 {½-½ (14) Ralls,R (2448)-Chorfi,K (2416) LSS email 2008}) 10... d4 11. Ne4 Nd5 12. Bg2 h6 13. O-O {The position is equal.} Be7 14. Rfe1 {[#] Black must now prevent Nd6+.} O-O 15. a3 Rfd8 16. Ned2 Be6 17. Ne5 Nxe5 18. Rxe5 Bf6 19. Ree1 b5 20. a4 Rab8 21. axb5 axb5 22. Ne4 Be7 23. Ra7 Bf8 24. Ba3 $1 Rdc8 25. h4 Rb6 26. Bf3 Rbc6 27. Ra5 Rb6 {Accuracy: White = 62%, Black = 76%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.08"]
[Round "4"]
[White "Hoffman, Alejandro"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2470"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,66,0,6,0,7,-22,-16,-12,-9,-30,-16,0,0,-16,17,6,4,-78,-83,-125,-110,-127,-133,-217,-225,-221,-203,-284,-285,-276,-236,-287,-208,-208,-217,-208,-216,-205,-201,-254,-241,-273,-287,-343,-324,-319,-276,-287,-297,-274,-252,-250,-232,-303,-313,-548,-534]} 1. Nf3 d5 2. g3 c5 {[%cal Bc7c5,Bc5b4][%mdl 32]} 3. c4 d4 4. b4 cxb4 5. a3 bxa3 6. Bg2 {A09: Réti Opening: 1 Nf3 d5 2 c4} Nc6 {LiveBook: 15 Games} 7. O-O (7. Bxa3 e5 8. Bxf8 Kxf8 9. d3 g6 10. O-O Kg7 11. Nbd2 Nf6 12. Qb3 h6 13. Qb2 Re8 14. Ra3 Re7 15. e3 dxe3 16. fxe3 {½-½ (31) So,W (2788)-Adams,M (2715) London 2017}) 7... e5 {[%cal Be7e5,Be5e4][%mdl 32]} 8. Qa4 {The position is equal.} Bd7 9. Bxa3 Bxa3 $146 ({Predecessor:} 9... Be7 10. Bxe7 Ngxe7 11. d3 O-O 12. Nbd2 {0-1 (37) Paczuski,T (2005)-Jaworski,A (2058) Poland 2007}) 10. Nxa3 e4 11. Ne1 $1 Nf6 {[%cal Bg8f6,Bf6d7,Bd7c5][%mdl 32]} 12. d3 Qe7 13. Nb5 {[#] Black must now prevent Nc7+.} O-O 14. Nc2 (14. Qa3 $11) 14... a6 $17 15. Nba3 Bf5 $36 {[%mdl 2048] Black is really pushing.} 16. Rfd1 Nd7 17. Ne1 (17. Nb1 $17) 17... Nc5 $19 18. Qc2 Rad8 19. Rab1 Rfe8 20. Bf1 Ne5 21. Qc1 exd3 22. exd3 Bg4 23. Rd2 Bf3 24. Nac2 Qd6 25. Qa3 h5 26. Nb4 {[#]} h4 $1 {[%mdl 512]} 27. Nd5 (27. gxh4 Qg6+) 27... hxg3 28. fxg3 Bxd5 29. cxd5 Ng4 {[%cal Be5g4,Bg4e3,Be3d5][%mdl 32]} 30. Rc2 Rc8 31. Bh3 Ne3 32. Rcc1 Rc7 ({Not} 32... Qxd5 33. Bxc8 Rxc8 34. Qb2 $17) 33. Qa5 $2 (33. Bg2) 33... Nxd5 {Accuracy: White = 38%, Black = 81%.} 0-1

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.08"]
[Round "4"]
[White "Slipak, Sergio"]
[Black "Bacallao Alonso, Yusnel"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2421"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,54,139,129,137,139,141,136,196,194,283,291,281,200,336,334,327,336,319,298,294,300,287,278,272,264,306,316,291,295,368,316,384,372,404,420,405,437,422,406,448,489,466,441,514,458,493,572,550,383,458,453,653,625,710,557,557,557,557,557,542,493,614,466,561,437,704,596,881,881,904,908,894,893,892,886,870,864,843,822]} 1. c4 b6 2. Nc3 Bb7 3. e4 e5 4. Nf3 Bb4 (4... Nc6 5. d4 exd4 6. Nxd4 Bb4 7. Nf5 Bxc3+ 8. bxc3 Qf6 9. Bd2 Nge7 10. Ne3 O-O 11. f3 Qh4+ 12. g3 Qh5 13. g4 Qh4+ 14. Ke2 {0-1 (30) Rozum,I (2576)-Morozevich,A (2656) Kazan 2018}) 5. Nd5 $146 ({Predecessor:} 5. d3 Nc6 6. a3 Bxc3+ 7. bxc3 Qe7 8. Be2 f6 9. O-O Na5 10. Re1 c5 11. Bf1 {0-1 (45) Rodriguez,J (1610)-Drouot,F (2026) Montigny le Bretonneux 2012}) 5... Bxd5 (5... Bd6 $14) 6. cxd5 $16 {A10: English Opening: Unusual Replies for Black} Nf6 7. a3 $1 {[%cal Ra3b4]} (7. Nxe5 $6 Qe7 $11) 7... Bd6 8. d4 {White is clearly better.} Qe7 {[#]} (8... exd4 $16 9. Qxd4 c5) 9. Bd3 $1 $18 (9. dxe5 $6 Bxe5 10. Bd3 (10. Nxe5 Qxe5 11. f3 c6 $14) 10... O-O $16) 9... c6 {[#]} (9... c5 {was worth a try.} 10. dxc5 (10. dxe5 Bxe5 11. Nxe5 Qxe5 $16) 10... Bxc5) 10. O-O $1 ({Not} 10. dxe5 Bxe5 11. O-O O-O $16) 10... O-O 11. Re1 (11. Nxe5 Bxe5 12. dxe5 Qxe5 $14) 11... cxd5 (11... c5 $142 12. dxc5 (12. dxe5 Bxe5 13. Nxe5 Qxe5 $16) 12... bxc5) 12. exd5 {[%cal Rd4e5]} ({And not} 12. Nxe5 dxe4 13. Bxe4 Nxe4 $14) ({Weaker is} 12. dxe5 Bxe5 13. exd5 d6 $16) 12... e4 13. Bg5 Qd8 14. Bxe4 h6 15. Bxf6 Qxf6 16. Qd3 a5 17. Ne5 Ra7 18. Re3 Rc7 19. Rae1 g6 20. Rf3 Bxe5 21. Rxf6 Bxf6 22. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} d6 23. h5 g5 24. Bf5 Rd8 25. Qb5 Nd7 26. Bxd7 Rdxd7 27. Qxb6 Rb7 28. Qxa5 Rxb2 29. Qc3 Rbb7 30. a4 {White is clearly winning.} Rdc7 (30... Ra7 $142 31. a5 Kg7) 31. Qa3 Rb6 32. Rc1 Rxc1+ 33. Qxc1 Bxd4 {[%mdl 4096] Endgame KQ-KRB} 34. Qd1 Bc5 35. Qc2 Ra6 36. Qc4 Ra7 37. g3 Kg7 (37... Rb7 $142 38. Qc3 Rb4) 38. Qb5 Kf6 39. Qb2+ Kf5 40. Kg2 Ke4 41. Qf6 Rxa4 42. Qxf7 Ra2 43. Qe6+ Kd3 44. Qxh6 {Accuracy: White = 79%, Black = 49%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.08"]
[Round "4"]
[White "Darcyl, Tomas"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2366"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,57,-20,0,-26,-25,-29,-17,-30,-27,-31,-31,-37,-27,-41,0,0,0,0,-15,-224,-225,-450,-418,-453,-437,-635,-618,-618,-237,-220,-228,-698,-716,-29995,-796,-29995]} 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d4 cxd4 6. Nxd4 e5 7. Nb3 Be6 8. Nc3 Be7 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 9. Bg5 (9. f4 exf4 10. gxf4 g6 11. Kh1 Nc6 12. Be3 O-O 13. Nd4 Bg4 14. f5 Re8 15. h3 Bh5 16. Qe1 Nxd4 17. Bxd4 {1-0 (28) Edouard,R (2638)-Cornette,M (2593) Nimes 2018}) 9... Nbd7 10. e4 dxe4 11. Bxf6 Nxf6 12. Nxe4 Qc7 {LiveBook: 8 Games} 13. Nxf6+ (13. Ng5 {looks sharper.} Bc4 14. Re1 O-O 15. Qf3 h6 16. Ne4) 13... Bxf6 14. Qf3 Rb8 15. Qe3 b6 16. c4 $146 Qxc4 (16... Bxc4 $6 17. Rac1 $14) 17. Rac1 Qb4 18. Bc6+ Ke7 19. f4 $1 {[%cal Rf4e5]} exf4 20. Rxf4 Bg5 $1 {[%cal Rg5f4]} 21. Nd4 $2 (21. Rxb4 $2 {loses.} Bxe3+ 22. Kf1 Bxc1 $19) (21. Rcf1 $1 $11 Bxf4 22. Rxf4) 21... Bxf4 $19 22. gxf4 $2 (22. Qxf4 Qd6 23. Qe4) 22... Rhd8 23. Bd5 {[#] Hoping for Nc6+.} Kf8 24. Nc6 (24. Nxe6+ $142 fxe6 25. Qe5) 24... Qxb2 25. Bxe6 Rd3 $2 (25... fxe6 $2 26. Re1 $17) (25... Rd2 26. Re1 Re8 {[%mdl 64] Pin}) 26. Qe1 {Strongly threatening Bb3.} Re8 {[%mdl 64] [#] Pin} ({Not} 26... fxe6 27. Nxb8 Rd8 28. Na6 $11 (28. Nc6 Rd2 $11)) 27. Rb1 $2 (27. Qb4+ Qxb4 28. Nxb4) 27... Rxe6 {[%mdl 64] Double Attack} 28. Rc1 Re8 (28... Rxe1+ $142 29. Rxe1 Rd2 30. Kf1 Rxh2 31. Re8+ Kxe8 32. Nxa7 Rh1#) 29. Qe3 {Accuracy: White = 16%, Black = 69%.} 0-1

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.08"]
[Round "5"]
[White "Mareco, Sandro"]
[Black "Darcyl, Tomas"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2656"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,57,39,38,36,51,146,161,184,183,185,183,187,186,189,161,160,168,166,143,152,143,139,150,135,135,141,108,110,118,137,140,245,265,394,422,412,389,571,564,29977,29977]} 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 Nc6 8. h4 {A16: English Opening: 1...Nf6 with ...d5} (8. Nf3 O-O 9. Qa4 Qd7 10. d4 Nxd4 11. Qxd7 Nxf3+ 12. Bxf3 Bxd7 13. Rxb7 Bxc3+ 14. Bd2 Be5 15. Bf4 Bxf4 16. gxf4 {½-½ (28) Topalov,V (2749)-Mamedyarov,S (2800) Paris 2017}) 8... h6 9. d4 O-O 10. Nf3 {LiveBook: 4 Games. White is slightly better.} e5 11. O-O Bf5 $146 (11... exd4 $14 12. Nxd4 Nxd4 13. cxd4 Qxd4) ({Predecessor:} 11... exd4 12. cxd4 Rb8 13. d5 Bf5 14. Rb3 Ne7 15. Nd4 Bg4 {½-½ (71) Disu,K (1910)-Calvert,D (1984) London 2015}) 12. Rxb7 $16 Be4 {[%cal Re5d4]} 13. Nxe5 Bxg2 14. Kxg2 Qc8 15. Rb5 ({Resist} 15. Nxc6 $6 Qxb7 16. d5 Qa6 $14) 15... Qa6 16. a4 Nxe5 17. dxe5 Rad8 18. Qc2 Qc6+ 19. Kg1 a6 20. Rb4 Rfe8 21. Bf4 Rd5 22. Qb3 Rc5 23. Rc1 Bxe5 24. Bxh6 Bxc3 {[#]} (24... a5 $16 25. Rb8 Rxb8 26. Qxb8+ Kh7) 25. Rb8 $1 $18 {Hoping for Rxc3!} ({Don't do} 25. Rf4 $6 Re7) 25... Rxb8 (25... Bd4 $142) 26. Qxb8+ Kh7 27. Bf8 Rc4 {[#]} (27... Rf5 {was worth a try.} 28. Qb3 (28. Bb4 Rxf2 29. Kxf2 Bd4+ {[%mdl 64] Discovered Attack} 30. e3 Qxc1 $14) 28... Qe8 29. Rxc3 Qxf8 30. Rxc7 Rf6) 28. Qb3 $1 {aiming for Rxc3!} a5 {[#]} 29. Rxc3 $1 {[%mdl 512] Accuracy: White = 87%, Black = 44%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.08"]
[Round "5"]
[White "Granda Zuniga, Julio E"]
[Black "El Debs, Felipe de Cresce"]
[Result "1-0"]
[ECO "E41"]
[WhiteElo "2650"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,81,54,55,55,54,55,55,55,50,83,76,76,69,158,118,96,121,121,125,144,80,118,115,188,125,244,228,188,238,253,253,308,310,304,322,370,328,346,350,344,335,370,371,351,322,398,396,345,277,682,682,672,660,547,601,581,497,536,508]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 {[%cal Bg1f3,Bf3e1,Be1g2,Bg2e3,Be3f5][%mdl 32]} Nc6 7. O-O Bxc3 8. bxc3 d6 9. e4 e5 10. d5 Ne7 11. Ne1 {E41: Nimzo-Indian: Rubinstein: 4...c5 5 Bd3, including Hübner Variation} (11. Nh4 Ng6 12. Nf5 Bxf5 13. exf5 Ne7 14. g4 a6 15. g5 Nd7 16. Qg4 b5 17. Qh3 bxc4 18. Be4 Rb8 19. Kh1 Nb6 20. Rg1 Nbxd5 {1-0 (38) Navara,D (2725)-Chigaev,M (2531) Tallinn 2016}) 11... Ne8 12. g4 Ng6 13. Ng2 {LiveBook: 3 Games. White is slightly better.} h6 {[#]} 14. h3 $146 {[%cal Bh2h3,Bh3h4][%mdl 32]} ({Predecessor:} 14. Qf3 Nh4 15. Qg3 Nxg2 16. Kxg2 g5 17. Rh1 Ng7 18. h4 f6 19. hxg5 hxg5 {½-½ (68) Nakamura,H (2520)-Perelshteyn,E (2442) Southampton 2003}) 14... Nf6 15. Qf3 Nh7 16. Qg3 f6 17. h4 Nh8 18. Ne3 g5 (18... Nf7 $14) 19. Nf5 Ng6 20. Nxh6+ Kg7 {[#]} 21. Nf5+ $1 Bxf5 22. exf5 (22. gxf5 $142 Nxh4 23. f4) 22... Nf4 23. Qf3 Re8 (23... Qa5 $16 {was called for.}) 24. Re1 (24. Bxf4 $18 exf4 25. h5) 24... Qa5 (24... Nxd3 $16 25. Qxd3 gxh4) 25. Bxf4 $18 exf4 26. Re6 Qxc3 27. Rb1 b6 28. Qe4 (28. Rxd6 gxh4 29. g5 Rad8 $16) 28... Kf7 29. h5 ({Less strong is} 29. Re1 Qe5 $16) 29... Nf8 30. Re1 Qe5 31. Qxe5 (31. Rxe5 Rxe5 32. Qxe5 fxe5 $14) 31... dxe5 32. Rc6 Rac8 33. Be4 Red8 34. Kg2 Nh7 35. Rd1 Nf8 ({Weaker is} 35... Rxc6 36. dxc6 Ke7 37. Bd5 $16) 36. h6 Nh7 $2 {[#]} (36... Rxc6 37. dxc6 Ke7) 37. d6 {White is clearly winning.} Rxc6 38. Bd5+ Kf8 39. Bxc6 Kf7 40. Bd5+ Ke8 41. Bg8 {Accuracy: White = 85%, Black = 36%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.08"]
[Round "5"]
[White "Flores, Diego"]
[Black "Perez Ponsa, Federico"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2631"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,66,25,25,30,33,23,28,24,29,25,38,36,46,43,48,53,58,56,79,72,111,110,113,105,100,112,125,111,131,111,136,139,202,195,212,212,218,217,218,214,210,192,203,193,177,11,14,-29992,-29993]} 1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 O-O 5. b3 c6 6. Bb2 {A16: English Opening: 1...Nf6 with ...d5} d5 7. Nf3 b6 8. O-O Bb7 9. d4 Nbd7 10. Qc2 e6 {LiveBook: 7 Games} 11. Rfd1 Rc8 12. e4 Nxe4 13. Nxe4 dxe4 14. Qxe4 {[#]} Ba8 $146 ({Predecessor:} 14... Qc7 15. Qc2 Rfd8 {½-½ (57) Eljanov,P (2703)-Dubov,D (2614) Loo 2013}) 15. Qc2 Qe7 16. Re1 Rfd8 17. Rad1 Qf8 18. c5 bxc5 19. Ba3 Nb6 20. Bxc5 Qe8 21. Ne5 Rc7 22. h4 Nd5 23. Bh3 Kh8 24. Rd2 a6 25. Rde2 Bb7 {[#]} (25... Bf8 $16 {was worth a try.} 26. Nd3 Bb7) 26. Nxf7+ $1 $18 Rxf7 27. Bxe6 Qg8 28. Bxf7 Qxf7 {[#]} 29. Re7 $1 {[%cal Re7f7][%mdl 512]} Nxe7 30. Rxe7 Qf3 {Strongly threatening ...Bc8.} 31. Rxb7 Re8 {( -> ...Re1+)} 32. Kh2 $2 ({White should play} 32. Qc1 $18) 32... Bf6 $1 $11 33. Rf7 $2 {[%mdl 8192]} ({Don't blunder} 33. Qd2 $2 Re2 $19) (33. Bd6 $11) 33... Re1 {Accuracy: White = 57%, Black = 53%.} 0-1

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.08"]
[Round "5"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2628"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,85,36,35,54,43,106,88,109,95,158,168,273,275,263,237,277,258,262,267,253,259,260,254,239,170,179,139,131,104,217,223,197,222,220,195,181,189,215,219,228,225,258,239,239,229,329,321,289,281,327,342,510,526,709,441,712,690,678,656,29987,29988,29988,29989,29989,29990,29990,29991]} 1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. g3 Be7 5. Bg2 O-O 6. Qc2 b6 7. O-O Bb7 8. cxd5 exd5 9. Nc3 Na6 10. Bf4 {E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3)} (10. Rd1 c5 11. Bf4 Qc8 12. Rac1 Rd8 13. a3 h6 14. h4 Ne4 15. dxc5 Nxc3 16. Qxc3 bxc5 17. b4 Bf6 18. Be5 Bxe5 19. Nxe5 cxb4 20. Qd4 Qe6 21. axb4 Qd6 {1-0 (59) Grischuk,A (2772)-Li,Y (2392) China 2017}) 10... c5 11. Rac1 {LiveBook: 5 Games} Rc8 12. Bh3 {White is slightly better.} c4 $146 (12... Ra8 $14) ({Predecessor:} 12... Ra8 13. Rfd1 Nb4 14. Qb1 c4 15. b3 Re8 16. Nb5 Bf8 17. Re1 Ne4 18. bxc4 dxc4 19. Rxc4 Nxf2 20. Kxf2 Bxf3 21. Rxb4 {1-0 (33) Casella,M (2249)-Taylor,T (2314) Los Angeles 2011}) 13. Ne5 Rb8 14. b3 Nc7 (14... cxb3 $142 15. Qxb3 Nc7) 15. bxc4 $16 Ne6 {[#]} (15... dxc4 $142 16. Nxc4 Ra8) 16. Nxf7 $1 $18 {[%mdl 512]} Kxf7 (16... Rxf7 17. Bxe6) 17. Bxb8 Qxb8 18. Bxe6+ $1 Kxe6 19. cxd5+ Kf7 20. Qb3 {Hoping for d6+.} ({Weaker is} 20. Qf5 Qc8 $14) 20... Qd6 21. e4 Qb4 22. Qxb4 Bxb4 23. f3 Ba6 24. Rfd1 Ba3 {[#]} (24... g5 $16) 25. Rb1 $1 Rc8 26. Rb3 Be7 27. Nb5 Bxb5 28. Rxb5 Rc2 {[#]} 29. d6 $1 Bxd6 30. e5 Rxa2 31. exf6 Kxf6 {[%mdl 4096] Endgame KRR-KRB} 32. Re1 Rd2 (32... Rc2 $142 33. Ra1 Bb8) 33. Rd5 Bb4 34. Re4 Bc3 35. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} h6 (35... h5 {keeps fighting.} 36. Rf5+ (36. Rxh5 Bxd4+ 37. Kf1 Bc5 $18) 36... Kg6 37. Re6+ (37. Rxh5 Bxd4+ 38. Kf1 Bc5 $18) 37... Kh7 38. Rxh5+ Kg8) 36. h4 h5 37. Rd6+ Kf7 38. g5 {White threatens g6+ and mate.} g6 39. Kf1 a5 40. Rf6+ {White mates.} Kg7 41. Re7+ Kg8 42. Re8+ Kg7 43. Ref8 {Precision: White = 96%, Black = 35%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.09"]
[Round "5"]
[White "Bacallao Alonso, Yusnel"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2582"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,122,6,27,20,27,0,0,0,0,0,16,0,0,0,0,0,28,36,66,0,0,0,17,11,1,0,51,68,46,32,20,0,0,0,0,0,0,0,0,-2,74,78,85,77,99,91,104,95,84,99,94,64,69,64,64,64,64,64,64,64,72,64,94,64,99,66,86,38,127,80,176,160,141,8,8,11,25,8,8,8,88,8,8,8,8,8,8,0,8,8,8,36,29962,29962,29974,29972,29973,29976,29974,29977,29977,0,29995]} 1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. e3 Nf6 5. d4 O-O 6. Be2 cxd4 7. Nxd4 Nc6 8. O-O d6 9. b3 Bd7 10. Bf3 Rb8 11. Bb2 a6 {LiveBook: 4 Games} 12. Rc1 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3} (12. Nd5 Ne8 13. Qd2 e6 14. Nb4 Ne5 15. Be2 f5 16. Rad1 Nf6 17. Nd3 Nf7 18. Qb4 g5 19. f4 g4 {0-1 (65) Andreasen,P (2239)-Kosintseva,T (2570) Caleta 2011}) 12... Qa5 13. a3 Rfc8 14. Re1 Qd8 $146 ({Predecessor:} 14... e6 15. Be2 Nxd4 16. exd4 Qd8 17. d5 Ne4 18. Bg4 Nxc3 19. Bxc3 e5 20. Bxd7 Qxd7 21. Bb4 b5 {½-½ (21) Zalcik,V (2312)-Budkin,G (2309) ICCF email 2011}) 15. h3 Na5 16. Nd5 Nxd5 17. Bxd5 e6 18. Bf3 Qb6 19. Bc3 e5 20. Bxa5 ({Better is} 20. Qd2 $14 Nc6 21. Nxc6 Bxc6 22. Ba5 (22. Qxd6 Rd8 $14)) 20... Qxa5 $11 21. Nc2 Rd8 22. Bd5 Bc6 23. Nb4 Bxd5 (23... Qxa3 $11 24. Nxc6 bxc6 25. Bxc6 Qxb3) 24. Nxd5 $14 Qxa3 25. b4 e4 26. Qg4 Re8 27. Qd7 Red8 28. Qe7 Be5 29. Red1 Qa4 30. Qh4 f5 (30... Re8 $11) 31. c5 $16 dxc5 32. Ne7+ Kf7 33. Qxh7+ {[%mdl 64] Double Attack} Ke6 34. Nd5 {[%csl Gd5][%cal Rh7e7]} ({Of course not} 34. Qxg6+ $6 Kxe7 35. Qh7+ Ke6 $11) 34... Qe8 35. Rxc5 Qf7 36. Nc7+ (36. Qh4 {looks sharper.} Qf6 37. Qxf6+ Bxf6 38. Nf4+ Kf7 39. Rc7+) 36... Bxc7 $1 {[%cal Rd8d1]} 37. Qxf7+ Kxf7 {[%cal Rd8d1]} 38. Rxc7+ Kf6 39. Rxd8 Rxd8 40. Rxb7 $14 {[%mdl 4096] Endgame KR-KR} Rd1+ 41. Kh2 Kg5 42. Rb6 Rb1 43. Kg3 Rb2 44. f3 exf3 (44... Re2 $1 $14) 45. h4+ Kh5 (45... Kh6 $16 {was necessary.} 46. gxf3 (46. Kxf3 Kh5 $16) 46... Kh5) 46. gxf3 $18 Rb1 47. Kf4 (47. Rb8 $1 $16 {[%cal Rb8h8]} Kh6 48. Kf4) 47... Rh1 $11 48. Ke5 (48. Rb8 {is more complex.} Rxh4+ 49. Ke5 Rc4 50. e4 Kg5 51. exf5 gxf5 52. Rg8+) 48... Rxh4 49. f4 Rh1 50. Rxa6 Rd1 {[#]} (50... Rb1 $11 {remains equal.}) 51. Rd6 ({White should play} 51. Ra2 $1 $16) 51... Rb1 $1 52. Rd4 Kg4 53. Rc4 Rb3 54. Kd4 Kf3 55. Kc5 {Strongly threatening b5.} Rxe3 56. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32] Threatens to win with b6.} Kg4 $2 {[%mdl 8192]} (56... Re8 $14) 57. b6 g5 58. fxg5+ Kxg5 59. b7 Re8 {[#]} 60. Kb6 $1 Rb8 61. Kc6 $2 (61. Rc8 {mates} Rxb7+ 62. Kxb7 Kf4 63. Kc6 Ke4 64. Kc5 f4 65. Kc4 Kf3 66. Kd3) 61... Rc8+ $2 {[%mdl 8192] Accuracy: White = 53%, Black = 51%.} (61... f4 $11) 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.09"]
[Round "5"]
[White "Pichot, Alan"]
[Black "Bachmann, Axel"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2562"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,92,5,7,45,49,46,52,56,0,0,0,0,0,0,4,33,28,53,55,43,58,55,52,53,45,84,79,84,66,73,66,65,65,83,69,91,89,73,-37,-52,-56,-57,-52,0,-118,-118,-144,0,0,-7,-47,103,0,0,-66,-73,-67,-63,-65,-38,-64,0,-40,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be3 b6 7. Qe2 {B09: Pirc Defence: Austrian Attack} Ba6 8. Qd2 {LiveBook: 13 Games} Bxf1 $146 ({Predecessor:} 8... Bb7 9. Bd3 c5 10. O-O-O Ng4 11. Bg1 cxd4 12. Nxd4 e5 13. Nde2 exf4 14. Nxf4 Nd7 15. Kb1 Nc5 16. Nfd5 Nf6 17. Bf2 Nxd5 18. Nxd5 Bxd5 19. exd5 Qf6 20. Bf1 {0-1 (20) Bareev,E (2653)-Tkachiev,V (2661) Ajaccio 2007}) 9. Rxf1 {White is slightly better.} c5 10. O-O-O Nc6 11. Qe1 (11. Qe2 $14) 11... Ng4 $11 12. Bg1 cxd4 13. Nxd4 Nxd4 14. Bxd4 e5 15. fxe5 Qg5+ 16. Kb1 dxe5 17. Bg1 Nf6 18. Rd6 Nh5 19. g3 Rad8 20. Be3 Qe7 21. Rc6 Qd7 22. Nd5 Qg4 23. Bd2 f5 24. Ne7+ Kh8 25. exf5 Rd7 26. Rxg6 (26. Re6 $16) 26... hxg6 $15 27. Nxg6+ Kg8 28. Nxf8 Bxf8 (28... Kxf8 $15 29. Bc1 Rd5) 29. Bc3 (29. Bc1 $11 {remains equal.}) 29... e4 $17 30. a3 {next h3! is good for White.} Kf7 (30... Bc5 $17 31. Qc1 e3) 31. h3 $11 Qxh3 32. Qe2 {[#] Black must now prevent Qc4+.} Kg8 (32... Bc5 $15 {stays ahead.} 33. Re1 Nxg3 34. Qc4+ Kf8) 33. Qc4+ ({White should try} 33. g4 $16 Ng3 {[%mdl 64] Double Attack} 34. Qc4+ Kh7 35. Rc1 Qxg4 36. Qe6) 33... Rf7 34. Re1 (34. f6 $11) 34... Qxf5 $15 35. g4 Qxg4 36. Rxe4 Qd1+ 37. Ka2 Ng7 (37... Qf1 $15 38. Re2 Bg7 39. Re8+ Kh7 40. Qxf1 Rxf1) 38. Rh4 (38. Bxg7 $5 Bxg7 39. Qc8+ Bf8 40. Rg4+ Kh8 41. Rh4+ Kg8 42. Rg4+ Rg7 43. Qc4+ Kh8 44. Rh4+ Rh7 45. Rg4 $11) 38... Qd7 39. Rh6 $40 {[%mdl 128] The position is equal. White is up to no good.} b5 40. Qh4 {[%csl Gh4][%cal Rh6h8] [#]} Qd5+ 41. b3 {[%csl Gh4][%cal Rh6h8]} Rf3 42. Rh8+ Kf7 43. Qh7 {Threatens to win with Qg8+.} Qf5 44. Qg8+ Kg6 45. Qh7+ Kf7 46. Qg8+ Kg6 {Accuracy: White = 63%, Black = 58%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.09"]
[Round "6"]
[White "Bachmann, Axel"]
[Black "Mareco, Sandro"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2621"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,66,-20,0,-8,-4,-11,-8,-37,-23,-39,-21,0,25,-36,25,0,0,-30,-28,-39,-31,-44,-38,-41,-21,-71,-69,-62,-70,-110,-118,-106,-104,-164,-158,-291,-285,-334,-345,-321,-313,-342,-312,-307,-300,-411,-352,-472,-443,-854,-550]} 1. d4 Nf6 2. Nf3 e6 {[%cal Be7e6,Be6e5][%mdl 32]} 3. c4 c5 4. g3 cxd4 5. Nxd4 d5 {[%cal Bd7d5,Bd5d4,Bd4d3][%mdl 32]} 6. Bg2 e5 7. Nb3 d4 8. O-O Nc6 {E01: Catalan: Early deviations} 9. e3 (9. Bg5 Be7 10. e3 Bg4 11. Qd2 O-O 12. exd4 exd4 13. Bxc6 bxc6 14. Qxd4 Qc8 15. Re1 Rd8 16. Qe3 {½-½ (26) Li,C (2732)-Dubov,D (2696) Liaocheng 2018}) 9... d3 {LiveBook: 4 Games} 10. Nc3 Be6 {The position is equal.} 11. Nd2 Qd7 12. b3 $146 ({Predecessor:} 12. a3 Na5 13. b3 Bg4 14. f3 Be6 15. Bb2 a6 16. Kh1 {0-1 (30) Birjukov,S (2215)-Evdokimenko,V (2313) Anapa 2008}) 12... O-O-O 13. Bb2 h5 14. h4 Be7 15. Nf3 ({White should play} 15. a3 $11) 15... Ng4 (15... Bg4 $15 16. Qd2 Bxf3 17. Bxf3 Bb4) 16. Nd5 e4 17. Nd4 Bxd5 18. cxd5 Qxd5 19. Nxc6 bxc6 20. Rc1 f5 $36 {[%mdl 2048] Black has the initiative.} 21. Qd2 Bf6 {Threatens to win with ...Bxb2.} 22. Ba3 Ne5 23. Rc5 {[#]} Qe6 $1 24. Qa5 Kb7 25. Rfc1 (25. Bb2 $17 {was necessary.} Nf3+ {[%mdl 64] Discovered Attack} 26. Bxf3 Bxb2 27. Bxh5) 25... Rd5 $19 ({Don't do} 25... Ka8 26. Bb4 $17) 26. Bh3 {[#]} (26. Qa4 $17 {keeps fighting.}) 26... Bd8 $1 27. Qc3 Bb6 28. Rxd5 cxd5 29. Kf1 g6 30. Bb2 Re8 {[%cal Bh8e8,Be8e7,Be7c7][%mdl 32]} 31. a4 {White wants to play a5.} Nc6 32. Qg7+ Re7 33. Qh8 (33. Qh6 $142) 33... Rc7 {Accuracy: White = 23%, Black = 68%.} 0-1

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.09"]
[Round "6"]
[White "Bacallao Alonso, Yusnel"]
[Black "Iturrizaga Bonelli, Eduardo"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2582"]
[BlackElo "2628"]
[Annotator "ChessBase"]
[PlyCount "34"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:57]} c6 {[%emt 0:00:37]} 2. d4 {[%emt 0:03:12]} d5 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:13]} dxe4 {[%emt 0:00:28]} 4. Nxe4 {[%emt 0:00:07]} Bf5 {[%emt 0:04:26]} 5. Ng3 {[%emt 0:00:10]} Bg6 {[%emt 0:00:07]} 6. h4 {[%emt 0:01:08]} h6 {[%emt 0:00:10]} 7. Nf3 {[%emt 0:00:28]} Nd7 {[%emt 0:03:51]} 8. h5 {[%emt 0:00:22]} Bh7 {[%emt 0:00:06]} 9. Bd3 {[%emt 0:00:05]} Bxd3 {[%emt 0:00:08]} 10. Qxd3 {[%emt 0:00:01]} e6 {[%emt 0:01:19]} 11. Bd2 {[%emt 0:05:49]} Ngf6 {[%emt 0:00:54]} 12. O-O-O {[%emt 0:01:58]} Be7 {[%emt 0:00:18]} 13. Ne4 {[%emt 0:02:36]} Nxe4 {[%emt 0:00:08]} 14. Qxe4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:08]} 15. Qe2 {[%emt 0:00:05]} Qd5 {[%emt 0:00:05]} 16. Kb1 {[%emt 0:00:42]} Qe4 {[%emt 0:00:10]} 17. Qxe4 {[%emt 0:01:29]} Nxe4 {[%emt 0:00:07]} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.09"]
[Round "6"]
[White "Perez Ponsa, Federico"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "2554"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,42,10,9,10,12,13,-10,6,2,10,10,29999,0,4,0,12,0,431,12,12]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 e5 7. Nb3 Be6 8. Be3 d5 {B56: Classical Sicilian: Unusual Lines} (8... Be7 9. Qd2 d5 10. exd5 Nxd5 11. Nxd5 Qxd5 12. Qxd5 Bxd5 13. O-O-O O-O-O 14. Bb5 Kc7 15. Rhe1 Bh4 16. Rf1 b6 {½-½ (51) Daulyte,D (2447)-Can,E (2603) Reykjavik 2018}) 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Qxd5 Bxd5 12. O-O-O O-O-O 13. Bb5 {LiveBook: 7 Games} a6 14. Bxc6 Bxc6 15. Bb6 {[%csl Gb6][%cal Rd1d8]} Rxd1+ $146 ({Predecessor:} 15... Rd6 16. Na5 {½-½ (37) Kostitsina,L-Osmanodja,F (1936) Herceg Novi 2008}) 16. Rxd1 {[%csl Gb6][%cal Rd1d8]} Be7 17. Na5 Bf8 $2 {[%mdl 8192] [#]} (17... Bd7 $11) 18. Be3 $2 (18. Rd8# {mates}) 18... Bb5 $11 19. c4 Ba4 20. b3 Be7 $2 {[%mdl 8192]} (20... Bd7 $11 {and Black stays safe.}) 21. Bb6 $2 {[#]} (21. bxa4 $18 {aiming for Bb6.} Rd8 22. Rd5) 21... Bd7 {Accuracy: White = 26%, Black = 19%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.09"]
[Round "6"]
[White "El Debs, Felipe de Cresce"]
[Black "Flores, Diego"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2544"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,0,29,-23,-25,-16,-27,-23,-16,-46,-24,-45,-20,-25,-8,-7,-18,-30,0,-8,-9,-36,-35,-47,-16,-62,81,64,63,48,43,0,0,0,135,133,128,155,223,56,80,31,46,45,39,53,100,86,159,168,167,166,165,159,197,191,188,187,182,192,218,218,215,214,213,204,259,247,232,223,329,251,332,319,319,309,402,413,443,441,443,434,459,459,664,664,598,576,11435,4940,4911,4911,29959,29963,29961,29963,29970,29971,29970,29967,5639,5632,5302,5302,5520,5302,1325,1198]} 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 Nc6 5. c4 Nge7 {LiveBook: 16 Games} (5... Nf6 6. e5 Ng4 7. h3 Nh6 8. g4 d6 9. Bg2 dxe5 10. Nxe5 Nxe5 11. Bxe5 f6 12. Bb2 Nf7 13. d4 cxd4 14. Qxd4 {0-1 (32) Onischuk,V (2637)-Svidler,P (2765) Riadh 2017}) 6. g3 $146 {B40: Sicilian: 2...e6, Unusual lines} (6. d4 $142) ({Predecessor:} 6. Nc3 Ng6 7. g3 Bd6 8. d4 cxd4 9. Nxd4 Nxd4 10. Qxd4 Be5 11. Qd2 d6 12. Bg2 h5 13. f4 {1-0 (71) Onischuk,V (2601)-Bosiocic,M (2591) Doha 2016}) 6... d5 $11 7. exd5 exd5 8. Bg2 {Black has an edge.} d4 9. O-O Ng6 10. Na3 Bd6 11. Re1+ Be6 12. d3 O-O 13. Nc2 Qd7 14. b4 Bg4 15. Qd2 h6 16. bxc5 Bxc5 17. Rab1 f5 (17... b5 $15 {stays ahead.}) 18. Nfxd4 f4 $1 19. Bd5+ Kh7 20. Kh1 (20. Bc3 {looks sharper.} Rad8 21. Re4 Bh3 22. Ne1 Bxd4 23. Bxd4 b5 24. Bb6) 20... fxg3 $1 21. fxg3 Nxd4 (21... Nce5 $11) 22. Bxd4 $16 Bxd4 23. Nxd4 b5 (23... Rab8 $16 24. Ne6 Rfe8) 24. Rf1 $2 {[#]} ({Better is} 24. Bxa8 $18 Rxa8 25. Qb2) 24... Bh3 $14 25. Rxf8 Rxf8 26. Qe3 Re8 27. Qf3 $36 {[%mdl 2048] And now Bc6 would win. White has good play.} Ne5 28. Qe4+ Ng6 {[#]} (28... g6 $142) 29. Bc6 $1 $16 ({Don't play} 29. Qf3 $6 Ne5 $16) 29... Rxe4 30. Bxd7 Rxd4 31. Bxh3 $18 {[%mdl 4096] Endgame KRB-KRN} Ne5 32. cxb5 axb5 33. Rxb5 Nxd3 34. Bf5+ g6 35. Rb7+ Kh8 36. Bxg6 Ne5 37. Bh5 Rd2 38. a4 Ra2 39. Ra7 Nd3 (39... Nc6 $142 40. Ra6 Nb4 41. Rxh6+ Kg7) 40. Kg1 Ra1+ 41. Kg2 Ra2+ 42. Kh3 Nf2+ 43. Kh4 Ne4 44. h3 Ra3 45. Bg4 Nxg3 46. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Kg8 (46... h5 $142 47. Bc8 Rc3) 47. a6 Ne4 48. Re7 h5 49. Kxh5 Ra5+ 50. Kh4 Nd6 51. a7 Kf8 52. Rd7 Nf7 53. Bh5 Ra4+ 54. Kg3 Ra3+ 55. Kg2 {White is clearly winning.} Ra2+ 56. Kf1 Ra1+ 57. Ke2 Ra2+ 58. Kd1 {Accuracy: White = 66%, Black = 41%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.09"]
[Round "6"]
[White "Hoffman, Alejandro"]
[Black "Darcyl, Tomas"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2470"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,23,-11,7,0,0,-11]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 c5 6. e4 d6 7. a4 a6 {A05: Réti Opening: 1 Nf3 Nf6} (7... b4 8. Nbd2 Nc6 9. Nc4 Qc7 10. Re1 Be7 11. a5 Rd8 12. a6 Ba8 13. Bf4 O-O 14. e5 dxe5 15. Nfxe5 Qc8 16. Nxc6 Bxc6 17. Bxc6 Qxc6 {0-1 (53) Naiditsch,A (2705)-Fedorchuk,S (2648) Riadh 2017}) 8. Re1 Be7 9. Nbd2 O-O 10. c3 Nbd7 {LiveBook: 5 Games} 11. Qe2 Qc7 12. h4 {Predecessor:} Rfc8 $146 13. Bh3 Nf8 14. Ng5 h6 15. Ngf3 {½-½ (33) Pychova,N (2127)-Simet,M (2175) Kouty nad Desnou 2018} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.09"]
[Round "6"]
[White "Slipak, Sergio"]
[Black "Granda Zuniga, Julio E"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "2421"]
[BlackElo "2650"]
[Annotator "RC"]
[PlyCount "31"]
[EventDate "2018.12.04"]
[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 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:04]} 4. Bd2 {[%emt 0:00:01]} O-O {[%emt 0:07:07]} 5. Nf3 {[%emt 0:00:17]} d6 {[%emt 0:01:59]} 6. a3 {[%emt 0:01:59]} Bxc3 {[%emt 0:00:06]} 7. Bxc3 {[%emt 0:00:07]} Ne4 {[%emt 0:00:44]} 8. Rc1 {[%emt 0:01:12]} b6 {[%emt 0:01:28]} 9. g3 {[%emt 0:01:11]} Bb7 {[%emt 0:01:31]} 10. Bg2 {[%emt 0:00:15]} Nd7 {[%emt 0:00:32]} 11. O-O {[%emt 0:00:26]} Qe7 {[%emt 0:00:18]} 12. b4 {[%emt 0:05:51]} Nxc3 {[%emt 0:01:45]} 13. Rxc3 {[%emt 0:00:09]} a5 {[%emt 0:00:06]} 14. Qc2 {[%emt 0:03:18]} Nf6 {[%emt 0:03:28]} 15. Nd2 {[%emt 0:02:38]} Bxg2 {[%emt 0:00:12]} 16. Kxg2 {[%emt 0:00:11]} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.11"]
[Round "7"]
[White "Mareco, Sandro"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2656"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,82,31,32,40,21,25,23,9,25,23,16,43,13,30,22,56,18,42,18,31,25,35,16,16,11,14,14,14,14,14,13,13,13,16,14,13,14,10,0,0,0,0,0,0,4,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. d4 O-O 5. Nc3 d6 6. Nf3 Bf5 7. Nh4 Bc8 8. O-O c6 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} 9. b3 (9. Nf3 Bf5 10. b3 Ne4 11. Bb2 Nxc3 12. Bxc3 Be4 13. Re1 c5 14. Qd2 Nc6 15. d5 Bxf3 16. Bxg7 Kxg7 17. Bxf3 Ne5 18. Bg2 a6 19. a4 Qb6 20. f4 Nd7 {1-0 (79) Bindrich,F (2588)-Dobrev,N (2333) Berlin 2018}) 9... e5 $146 ({Predecessor:} 9... Nbd7 10. e4 e5 11. Nf3 exd4 12. Nxd4 Re8 13. Rb1 Ne5 14. Bb2 Nh5 15. f4 Bg4 16. Nf3 Bxf3 17. Bxf3 Nxf3+ 18. Qxf3 Qd7 19. Kg2 f5 20. Rfd1 Bxc3 21. Qxc3 {½-½ (40) Kotoucek,J (1796)-Docekalova,Z Ostrava 2006}) 10. dxe5 dxe5 11. Ba3 Qxd1 12. Raxd1 Re8 13. Nf3 {LiveBook: 3 Games} Na6 14. h3 Bf8 15. Bxf8 Kxf8 16. Rd6 Kg7 17. Rfd1 Re7 18. a3 Bf5 19. b4 Rae8 20. Rd8 Bc2 {[#] aiming for ...e4.} 21. R1d6 Nc7 22. Rxe8 Rxe8 23. b5 cxb5 {The position is equal.} 24. cxb5 Re7 25. b6 axb6 26. Ne1 Bb3 27. Rxb6 Bd5 $1 28. Nd3 Bxg2 29. Kxg2 Ncd5 30. Nxd5 Nxd5 $11 {[%mdl 4096] Endgame KRN-KRN} 31. Rb5 Nc3 32. Rxe5 Rxe5 33. Nxe5 Nxe2 {KN-KN} 34. Kf3 Ng1+ 35. Ke3 Nxh3 36. Nc4 Kf6 37. Nd6 Ke6 38. Nxb7 Kd5 39. Nd8 f5 40. Kf3 Ng5+ 41. Kf4 Nh3+ {Accuracy: White = 60%, Black = 60%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.11"]
[Round "7"]
[White "Granda Zuniga, Julio E"]
[Black "Bacallao Alonso, Yusnel"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2650"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,91,7,29,10,9,7,20,14,42,21,17,14,33,23,29,41,33,26,35,8,19,0,17,25,53,26,49,30,26,23,37,28,71,58,71,75,71,58,69,60,70,58,84,0,0,0,43,7,28,-21,38,26,24,34,47,47,42,40,44,0,26,20,41,29,52,52,56,26,100,81,99,110,140,135,141,142,144,137]} 1. b3 Nf6 2. Bb2 e6 3. Nf3 b6 4. e3 c5 5. c4 Bb7 6. Be2 Be7 7. O-O O-O 8. d4 cxd4 {LiveBook: 96 Games. A30: Symmetrical English: Double Fianchetto and Hedgehog} 9. Qxd4 (9. Nxd4 a6 10. Nc3 d6 11. Bf3 Qc7 12. Rc1 Nbd7 13. Qe2 Rac8 14. Rfd1 Rfd8 15. h3 Bf8 16. g4 Ne5 17. Bxb7 Qxb7 18. f4 Nc6 19. g5 Ne8 20. Qg2 Rd7 21. Nxc6 Qxc6 {½-½ (63) Salgado Lopez,I (2644)-Leko,P (2691) Riadh 2017}) 9... d6 10. Rd1 Nbd7 {The position is equal.} 11. Nc3 a6 12. e4 $146 ({Predecessor:} 12. Qf4 Qc7 13. Qg3 Rac8 14. a4 Rfe8 15. Nd2 Bf8 16. Rdc1 {0-1 (38) Serafimov,T (2421)-Milanovic,D (2507) Metz 2010}) 12... Qb8 13. h3 Rd8 14. Qe3 Qc7 15. b4 Rac8 16. a3 Qb8 17. Nd2 Re8 18. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} Bd8 19. Kh1 Bc7 20. Bf3 h6 21. Re1 e5 22. f5 Bc6 23. a4 a5 24. b5 Bb7 25. g3 Bd8 26. Kg2 Be7 27. Rec1 Nc5 28. h4 Rc7 29. Nd1 (29. Nd5 $16) 29... Qd8 30. Nf2 Nh7 31. Rd1 Bf8 32. Ra2 Qe7 ({Better is} 32... Nf6 $11) 33. Nb1 Rec8 34. Nc3 Nd7 35. Be2 Nhf6 36. Ba3 Nc5 37. Bf3 Ne8 38. Rb2 Kh7 39. Kh2 Nd7 40. Be2 $1 $36 {[%mdl 2048] White is more active.} Nc5 41. Rbb1 g6 (41... Nf6 $11 {keeps the balance.}) 42. Qf3 Nd7 43. Ng4 {[%cal Bf2g4,Bg4e3,Be3d5][%mdl 32]} h5 44. Ne3 {[#] Black must now prevent Ned5.White is clearly better.} Ndf6 45. Ned5 Bxd5 46. Nxd5 {Accuracy: White = 53%, Black = 37%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.11"]
[Round "7"]
[White "Flores, Diego"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2631"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 32,135,-24,-35,-32,-12,-27,-40,0,-36,-42,-52,-36,-66,-49,-42,-27,-31,-31,-30,-42,-88,-87,-75,-16,-6,-13,-28,0,0,0,-11,42,0,60,65,88,59,79,76,78,62,121,94,147,73,134,92,142,111,113,117,112,106,230,119,281,255,269,264,267,195,346,162,286,277,268,268,432,337,423,348,376,304,363,364,345,356,529,493,582,600,742,730,769,771,819,815,806,759,768,769,941,727,699,697,735,729,1174,778,1383,1229,1469,1433,1783,1355]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. a3 a5 7. O-O Nge7 8. Rb1 d6 9. d3 O-O 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nde7 14. Bd2 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} (14. Nc4 h6 15. Be3 b6 16. Qa4 Bd7 17. Qd1 Rb8 18. f4 Nf5 19. Bd2 b5 20. Nxe5 Nxe5 21. fxe5 Bxe5 22. Kh1 {½-½ (58) Radjabov,T (2713)-Grischuk,A (2783) Beijing 2013}) 14... Rb8 15. Na4 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 16. b4 cxb4 17. axb4 {LiveBook: 6 Games} b5 18. Nc5 a4 {[#]} 19. Nc2 $146 ({Predecessor:} 19. Nxe6 fxe6 {½-½ (42) Kunin,V (2589)-Mihok,O (2464) Boeblingen 2014}) 19... Qc8 20. Re1 Bh3 21. Bh1 Qd8 22. Na3 Qb6 23. e3 h5 24. Qc2 Rfd8 25. Qa2 Bf5 26. e4 Bg4 27. Nc2 {[#]} Rd6 (27... Nd4 $1 $17) 28. Be3 Qd8 29. Bg2 Qf8 30. h3 Bc8 31. Rbd1 Bh6 (31... Qd8 $11) 32. d4 Bxe3 (32... exd4 $11 33. e5 Rd8 34. Bxd4 Bf5) 33. fxe3 $14 Qg7 {[%cal Re5d4]} 34. Qa1 Kh7 35. Rf1 Nd8 36. Rf2 Be6 ({Black should play} 36... Nec6 $14) 37. d5 Bc8 (37... Bd7 $142) 38. Qc3 (38. Bf1 $142) 38... Bd7 ({Better is} 38... f6) 39. Na3 Be8 40. Nd3 $36 {[%mdl 2048] Hoping for Qc7. White is on the roll.} f6 41. Qc7 Rbb6 42. Rc1 Ra6 (42... Ng8 $16) 43. Kh2 ({White should try} 43. Nc5 $18 Rab6 44. Nxa4 {[%mdl 64] Deflection} bxa4 45. Nc4 {[%mdl 64] Double Attack} Nxd5 46. Qxg7+ Kxg7 47. Nxd6 (47. exd5 Nf7 $16) 47... Rxd6 48. exd5) 43... Ne6 $2 {[#]} (43... Rab6 $16 44. Rcc2 Kh6) 44. Qb8 $1 $18 {[%cal Rb8e8]} Rab6 45. Qa8 ({Weaker is} 45. Qxe8 Rd8 $16) 45... Qf8 {With the idea ...Ra6.} 46. Nc5 Ng7 $2 (46... Nd8 47. Bf1 f5) 47. Qa7 (47. Bf1 $142) 47... Kh6 (47... Nc8 $142 48. Qa5 Qe7) 48. Nd3 Ra6 49. Qc7 Bf7 $2 (49... f5 50. Nxe5 Rf6) 50. Rcf1 Ne8 51. Qc3 Bg8 {[#]} 52. Nxe5 $1 {[%mdl 512]} Rd8 (52... fxe5 53. Rxf8) 53. Nd3 Qg7 54. Nxb5 h4 (54... f5 {might work better.} 55. exf5 Qxc3 56. Nxc3 gxf5) 55. g4 {White is clearly winning.} a3 56. Nc5 Raa8 57. d6 Nc6 58. d7 Rxd7 59. e5 Nxe5 60. Bxa8 Rd8 61. Bg2 Bc4 62. Nxa3 Bxf1 63. Rxf1 Qc7 {( -> ...Nxg4+)} 64. Kh1 Rd3 65. Qc1 Qa7 66. Nb5 {[%cal Ba3b5,Bb5d4,Bd4c6][%mdl 32]} Qb8 67. Nd4 Qxb4 68. Nc6 {Accuracy: White = 60%, Black = 32%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.11"]
[Round "7"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2628"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,71,63,82,120,75,69,57,130,129,112,116,125,129,177,175,220,131,112,126,163,157,174,174,182,175,172,191,261,261,237,247,285,285,285,283,262,243,298,306,306,293,275,259,416,422,423,417,521,518,514,506]} 1. c4 e6 2. d4 Nf6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. b3 Nbd7 8. Bb2 b6 9. Nc3 Ba6 10. Nd2 Rc8 11. e4 c5 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7)} (11... dxe4 12. Re1 c5 13. Ndxe4 cxd4 14. Qxd4 Nc5 15. Qe3 Qc7 16. Nxc5 Bxc5 17. Qf3 Rfd8 18. Ne2 Qe7 19. Rad1 Rxd1 20. Rxd1 {½-½ (48) Kramnik,V (2796)-Karjakin,S (2762) Nizhnij Novgorod 2013}) 12. exd5 {LiveBook: 3 Games} exd5 13. dxc5 d4 {White is better.} 14. c6 Ne5 ({Black should play} 14... dxc3 $14 15. cxd7 cxb2 16. dxc8=Q Bxc8) 15. Nb5 $146 {[%cal Bc3b5,Bb5d4,Bd4f5][%mdl 32]} ({Predecessor:} 15. Nd5 Nxc6 16. Nxe7+ Nxe7 17. Re1 b5 18. Rc1 Re8 19. cxb5 Bxb5 20. Rxc8 Nxc8 21. Rxe8+ Nxe8 {1-0 (33) Agafonov,N-Petkevich,J (2445) Riga (Latvia) 1978}) 15... Nxc6 16. Nf3 d3 {[#]} 17. Nbd4 $1 Nb4 18. Ne5 Bc5 {[#]} 19. Nxd3 ({White should try} 19. Nf5 $1 $18) 19... Nxd3 20. Qxd3 Qd7 21. Rad1 Bb7 22. Nf5 Qxd3 23. Rxd3 Bxg2 24. Kxg2 Rfd8 (24... Rc6 {might work better.} 25. Rfd1 h5) 25. Rfd1 $18 Rxd3 26. Rxd3 a5 27. Bxf6 gxf6 {[%mdl 4096] Endgame KRB-KRN} 28. Rd7 Re8 29. Kf3 h5 30. Nd6 Re5 31. Ne4 ({Weaker is} 31. Nxf7 Rf5+ 32. Ke4 Rxf2 $16) 31... Be7 32. Kf4 Kg7 $2 (32... Re6 33. Rd5 h4 34. gxh4 f5) 33. Rd5 Re6 34. Rxh5 Ba3 35. Rd5 Kg6 36. g4 {Accuracy: White = 93%, Black = 35%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.11"]
[Round "7"]
[White "Pichot, Alan"]
[Black "El Debs, Felipe de Cresce"]
[Result "1-0"]
[ECO "C72"]
[WhiteElo "2562"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,75,40,27,27,32,33,33,33,33,27,27,27,26,12,20,15,29,27,15,8,13,77,0,79,76,78,69,190,191,224,242,275,278,272,256,264,264,268,252,386,377,512,479,428,455,887,885,777,778,846,663,1501,1422,29977,29978,29978,29978,29977,29979,29990,29988]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c4 Nge7 {C72: Ruy Lopez: Deferred Steinitz: 5 0-0} (6... g5 7. Bxc6 bxc6 8. d4 g4 9. Ne1 exd4 10. Qxd4 Qf6 11. Qd2 Bg7 12. Nc3 Ne7 13. Nd3 Ng6 14. Qe2 {0-1 (27) Hansen,E (2629)-Mamedyarov,S (2804) chess.com INT 2018}) 7. Nc3 g6 8. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} Bg7 9. d5 {LiveBook: 3 Games} Nd4 10. Nxd4 exd4 11. Bxd7+ $146 ({Predecessor:} 11. Ne2 b5 12. cxb5 axb5 13. Bb3 c5 14. dxc6 Nxc6 {1-0 (31) Fier,A (2576)-Hungaski,R (2492) Medellin 2017}) 11... Qxd7 12. Ne2 c5 13. a4 O-O 14. Nf4 b5 15. b3 $1 bxc4 16. bxc4 Rab8 17. Nd3 f5 18. f3 {[%cal Bf2f3,Bf3e4,Be4e5][%mdl 32]} h6 {[#]} (18... fxe4 $11 {remains equal.} 19. fxe4 Rxf1+ 20. Qxf1 Re8) 19. h4 ({White should play} 19. e5 $1 $16 {[%mdl 512]}) 19... Kh7 {[#]} (19... fxe4 $11 20. fxe4 Rxf1+ 21. Qxf1 Qg4) 20. Bf4 $1 $16 fxe4 21. fxe4 Ng8 {[#]} ({Better is} 21... Rbe8 $14) 22. h5 $1 $18 {[%cal Rh5g6]} g5 23. Bh2 Rxf1+ 24. Qxf1 Rf8 25. Qb1 Kh8 26. e5 Qe7 {[%cal Rd6e5]} 27. e6 ({And not} 27. exd6 Qe3+ 28. Kh1 Nf6 $11) 27... Nf6 (27... Qc7 $142 28. Qc2 Nf6) 28. Qb6 $1 {[%csl LRa6,LRd6]} Rd8 29. Rf1 Kg8 30. a5 g4 (30... Kh7 $142 31. Qxa6 g4) 31. Nf4 Qe8 32. Ng6 d3 33. e7 Rd7 34. Bxd6 Ne4 35. Be5 {White mates.} Rxe7 36. Nxe7+ Qxe7 37. Bxg7 Nd2 38. Qb8+ {Accuracy: White = 87%, Black = 41%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.11"]
[Round "7"]
[White "Darcyl, Tomas"]
[Black "Bachmann, Axel"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2366"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,30,18,40,41,63,54,96,106,84,64,66,54,59,-119,-108,-105,-112,-113,-85,-484,-480,-465,-471]} 1. c4 e5 2. e3 f5 3. d4 e4 4. Nc3 Nf6 5. f3 g6 $146 ({Predecessor:} 5... Bb4 6. Bd2 Qe7 7. Nh3 O-O 8. Be2 c5 9. Nb5 exf3 10. gxf3 Nc6 11. Bxb4 Nxb4 12. Qd2 a6 {½-½ (39) Fernandez Diaz Mascort,M (2065)-Dahale,A (2040) Barbera del Valles 2018}) 6. Nh3 {A21: English Opening: 1...e5 2 Nc3} Qe7 7. fxe4 fxe4 8. g4 {[%cal Bg2g4,Bg4g5][%mdl 32] White is better.} d6 9. g5 Nh5 $1 10. Nd5 Qd8 11. Be2 $2 {[#]} (11. Bd2 $14 {keeps the upper hand.}) 11... Bxh3 $17 12. Bxh5 Qxg5 {And now ...Qg2 would win.} 13. Bg4 Bxg4 {[#]} 14. h4 $2 {[%mdl 8192]} (14. Qxg4 $1 $17 {[%mdl 512] was the crucial defense.} Qxg4 15. Nf6+ Ke7 16. Nxg4) 14... Bxd1 15. hxg5 Bf3 0-1

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.12"]
[Round "8"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "Granda Zuniga, Julio E"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2628"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,98,13,10,0,0,0,14,18,18,2,8,10,8,0,16,-21,43,-16,58,63,78,67,129,137,117,107,140,120,139,125,176,186,224,199,198,193,198,197,197,202,203,202,189,199,194,199,206,200,211,207,193,193,188,181,176,183,266,266,237,218,714,714,710,703,703,703,695,695,695,689,687,658,629,596,623,385,629,622,563,385,533]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. b3 {A20: English Opening: 1...e5} (7. d3 Be7 8. a3 O-O 9. Nbd2 a5 10. b3 f5 11. Bb2 Bf6 12. Qc2 Kh8 13. Rac1 Be6 14. Nc4 Nxc4 15. bxc4 Rb8 16. e3 Qe8 17. d4 e4 {1-0 (39) Ivanchuk,V (2726)-Harikrishna,P (2744) Huaian 2017}) 7... g6 8. Bb2 Bg7 9. d3 O-O 10. Nc3 Re8 {LiveBook: 4 Games} 11. Rc1 Nd4 12. Nd2 c6 13. e3 Nf5 $146 ({Predecessor:} 13... Ne6 14. Nf3 {1-0 (32) Ribli,Z (2602)-Brkic,A (2477) Neum 2005}) 14. Qe2 Nd6 15. Rfd1 f5 16. Nc4 $36 {[%mdl 2048] Black is under pressure.} Nf7 17. e4 Nd7 (17... f4 $11) 18. b4 (18. exf5 $14 gxf5 19. b4) 18... Nf8 (18... f4 $1 $11) 19. exf5 $14 gxf5 20. b5 c5 ({Black should try} 20... Bd7 $14) 21. Na4 Ne6 22. Ne3 (22. Nxe5 $2 Nd4 $17) 22... Nd4 23. Qh5 f4 {[#]} 24. Bxd4 $1 (24. Rxc5 fxe3 25. fxe3 Ne6 $15) 24... exd4 {[#]} (24... cxd4 $16 {was necessary.} 25. Nd5 Nh6) 25. Nc4 $1 $18 (25. Bd5 Be6 $11) 25... Ne5 {[#] aiming for ...Bg4.} 26. Nd6 $1 {[%mdl 512]} Bg4 (26... Qxd6 27. Qxe8+) 27. Qxe8+ Qxe8 28. Nxe8 Rxe8 29. Nxc5 (29. gxf4 $6 Bxd1 30. Rxd1 Ng6 $16) 29... Bxd1 30. Bd5+ (30. Rxd1 $6 f3) 30... Kh8 {And now ...Be2 would win.} 31. Rxd1 b6 32. Ne6 ({Don't play} 32. gxf4 $6 bxc5 33. fxe5 Rxe5 $16) 32... f3 33. Ng5 Rf8 34. Be4 h6 35. Ne6 {[%mdl 64] Double Attack} Re8 36. Nxd4 Nxd3 37. Bc6 ({Don't take} 37. Bxd3 $6 Bxd4 38. Bf1 Bc5 $16) ({Don't do} 37. Nxf3 $6 Nxf2 38. Kxf2 Rxe4 $14) 37... Re1+ (37... Re2 {is a better defense.}) 38. Rxe1 Nxe1 39. Nxf3 Nxf3+ $2 (39... Nd3 40. Bd5 Bf8) 40. Bxf3 {[%mdl 4096] Endgame KB-KB} Bd4 41. Kg2 Kg7 42. Be4 Kf6 43. f4 Bc3 44. Kf3 Bb4 45. Bc6 Bc3 46. Bd7 Bb4 47. Ke2 Kf7 $2 (47... Ke7 48. Bf5 Bc3) 48. g4 Be7 49. Kf3 Bh4 {Accuracy: White = 80%, Black = 38%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.12"]
[Round "8"]
[White "Bacallao Alonso, Yusnel"]
[Black "Flores, Diego"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2582"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,100,43,45,45,47,43,52,50,46,51,48,68,75,96,90,97,82,82,70,75,41,40,30,39,32,44,0,68,67,69,66,66,74,60,21,13,17,20,21,66,52,86,82,91,90,119,111,125,115,231,231,231,138,244,235,242,197,237,237,266,266,323,323,399,381,388,399,217,448,477,426,445,462,446,424,481,481,557,541,786,727,787,816,1219,1209,1172,1143,2097,1857,5787]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 b6 4. e3 {[%cal Be2e3,Be3e4,Be4e5,Be5d6][%mdl 32]} g6 5. d4 Bg7 6. d5 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} O-O 7. e4 {LiveBook: 14 Games} e6 8. e5 $146 {White is slightly better.} ({Predecessor:} 8. Bd3 exd5 9. cxd5 d6 10. h3 b5 11. O-O b4 12. Ne2 Re8 13. Ng3 Ba6 14. Bxa6 Nxa6 15. Qd3 Qb6 16. Nd2 Nc7 17. Nc4 Qa6 18. Bf4 Rad8 19. a3 b3 {0-1 (44) Jaracz,P (2527)-Grooten,H (2375) Cappelle-la-Grande 2008}) 8... Ng4 9. Bg5 f6 10. Bh4 d6 11. exd6 e5 12. Be2 Nh6 13. Nxe5 $1 {Nc6 is the strong threat.} Nf5 14. Nc6 Qxd6 15. Bg3 $1 {[%cal Rg3d6]} Nxg3 16. hxg3 (16. Nb5 $5 {[%cal Rb5d6]} Qd7 17. hxg3 $14) 16... Nxc6 17. dxc6 Qxc6 18. Bf3 Qe8+ $1 19. Kf1 {[%cal Be1f1,Bf1g1,Bg1g2][%mdl 32]} Be6 ({Black should try} 19... Rb8 $1 $11) 20. Bxa8 $14 Bxc4+ 21. Kg1 Qxa8 22. Rh4 Bf7 23. Qf3 f5 24. Rd1 Qxf3 25. gxf3 Bd4 26. Kg2 a6 27. Rd2 b5 28. Rh1 $1 Kg7 29. Rc1 Bf6 30. Rd6 b4 (30... Ra8 $16 {was necessary.}) 31. Nd5 $18 Bd4 32. b3 (32. Rd7 $18) 32... Re8 (32... Bxd5 $16 33. Rxd5 Re8) 33. Kf1 $1 a5 34. Nc7 Re7 {[#] With the idea ...Be5.} 35. Nb5 $1 Be5 {[#]} 36. Ra6 $1 ({And not} 36. Rxc5 Bxd6 37. Nxd6 Ra7 $11) 36... c4 37. bxc4 Bb2 38. Rc2 Bc3 39. Nd6 Re1+ 40. Kg2 Be6 {White is clearly winning.} 41. Rxa5 Kf6 {and the idea ...b3 leaves Black hopeful.} 42. Ra7 g5 43. Nb5 Ba1 44. Nc7 Bf7 45. Nd5+ {[%mdl 64] Double Attack} Kg7 46. Nxb4 g4 47. c5 {[%cal Bc4c5,Bc5c6][%mdl 32]} Kf6 48. c6 gxf3+ 49. Kxf3 Bh5+ 50. Kg2 f4 {Accuracy: White = 87%, Black = 45%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.12"]
[Round "8"]
[White "Perez Ponsa, Federico"]
[Black "Darcyl, Tomas"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2554"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,48,0,0,13,4,45,0,0,0,-13,-7,0,0,-15,0,0,-26,0,0,0,0,0,0,0,-77,-83]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. f3 e5 7. Nb3 Be6 8. Be3 h5 9. Qd2 Nbd7 10. O-O-O Be7 11. Kb1 b5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 12. a3 (12. h4 O-O 13. Bg5 Rc8 14. a3 Qc7 15. g4 hxg4 16. fxg4 Nb6 17. Bxf6 Bxf6 18. g5 {½-½ (70) Yu,Y (2751)-Vachier Lagrave,M (2789) Riadh 2017}) 12... Rc8 13. Bg5 {[#] LiveBook: 3 Games} Qb6 $146 {The position is equal.} ({Predecessor:} 13... Qc7 14. h4 Nb6 15. Bxf6 gxf6 16. Na5 Rg8 17. g4 hxg4 18. fxg4 Rxg4 19. h5 Rg8 {1-0 (27) Demchenko,A (2645)-Areshchenko,A (2652) Tbilisi 2017}) 14. h4 Nc5 15. Nd5 ({Better is} 15. Nxc5 $14 Qxc5 16. g3) 15... Nxd5 $11 16. exd5 {[#] Strongly threatening Nxc5.} Bf5 17. Nxc5 Rxc5 18. Bd3 Bxd3 19. Qxd3 {Be3 is the strong threat.} Rc4 20. Rhe1 Bxg5 21. hxg5 g6 22. Re4 Rxe4 23. fxe4 Qf2 24. Rd2 (24. g3 $11) 24... Qf4 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.11"]
[Round "8"]
[White "El Debs, Felipe de Cresce"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2544"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,44,18,13,3,14,10,24,25,19,12,31,8,37,32,40,39,39,37,47,44,57,14,23,31,50,47,46,28,39,27,23,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. b3 a6 4. Bb2 Nc6 5. c4 Nf6 6. e5 {B40: Sicilian: 2...e6, Unusual lines} Ng4 {LiveBook: 28 Games} 7. g3 (7. h3 Nh6 8. g4 d6 9. Bg2 dxe5 10. Nxe5 Nxe5 11. Bxe5 f6 12. Bb2 Nf7 13. d4 cxd4 14. Qxd4 {0-1 (32) Onischuk,V (2637)-Svidler,P (2765) Riadh 2017}) 7... Be7 8. Bh3 f5 $146 ({Predecessor:} 8... Nh6 9. O-O O-O 10. Nc3 f6 11. Ne4 fxe5 12. Nxe5 Nd4 13. Bxd4 cxd4 {½-½ (69) Reza,W (2283)-Tregubov,P (2575) Katowice 2017}) 9. exf6 $1 Bxf6 10. d4 Nh6 11. O-O O-O 12. Bc3 d5 {[#] Hoping for ...cxd4.} 13. Bg2 Nf7 14. dxc5 d4 15. Bb2 e5 16. Nfd2 Ng5 17. Ne4 Nxe4 18. Bxe4 Be7 19. Nd2 Bxc5 20. Qh5 g6 21. Bxg6 hxg6 22. Qxg6+ Kh8 {Accuracy: White = 68%, Black = 70%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.12"]
[Round "8"]
[White "Hoffman, Alejandro"]
[Black "Bachmann, Axel"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2470"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,59,35,36,60,40,55,49,79,7,54,64,60,41,40,43,44,40,42,39,37,10,60,18,65,0,29,0,76,13,84,88,97,117,101,0]} 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Na6 10. Nd2 Nc7 11. Nc4 Nfe8 12. a4 b6 13. Bd2 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} Ba6 14. b3 {[%cal Bb2b3,Bb3c4][%mdl 32] LiveBook: 8 Games} Rb8 {[#]} 15. Qc2 $146 {White is slightly better.} ({Predecessor:} 15. Re1 f5 16. Ra2 Nf6 17. Qc1 Qd7 18. Bf4 Bxc4 19. bxc4 a6 20. Bh3 Qd8 {1-0 (33) Atalik,S (2568)-Moldovan,D (2442) Sovata 2003}) 15... Qd7 16. e4 Bd4 17. Kh1 (17. Bh6 $16) 17... Bxc4 18. bxc4 a6 19. Bh6 Ng7 20. Rab1 b5 21. axb5 axb5 22. Ne2 Bf6 23. f4 b4 24. Ng1 Bc3 25. Ne2 Bf6 26. Ng1 Bc3 27. Nf3 (27. Bh3 $16 Qe7 28. e5) 27... Rfe8 {[#]} (27... Ra8 $11 {remains equal.}) 28. Rb3 $1 $16 {White is better.} f6 29. Ng1 f5 {[#]} 30. g4 {Accuracy: White = 32%, Black = 45%.} (30. e5 $1 $16) 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.12"]
[Round "8"]
[White "Slipak, Sergio"]
[Black "Pichot, Alan"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "2421"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,114,33,0,56,6,9,15,11,6,13,5,16,0,0,-16,0,-2,-16,-13,-5,-2,12,0,4,-11,14,0,19,14,4,-25,10,-39,14,0,15,18,4,-18,-18,-18,-18,-18,-25,-17,-8,-8,-12,-19,-20,-29,0,0,0,0,0,0,0,0,0,-37,-20,-33,-8,-8,-8,-57,-60,-179,-182,-185,-182,-208,-177,-280,-280,-243,-243,-363,-360,-360,-348,-345,-330,-487,-310,-310,-310,-326,-302,-487,-473,-1721,-1435,-4133,-4133,-4129,-4129,-29980,-29981,-29984,-29985]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O c5 6. c4 g6 7. Nc3 Bg7 8. Bc2 {LiveBook: 3 Games. E14: Queen's Indian: Classical Variation (4 e3)} (8. d5 exd5 9. cxd5 Nxd5 10. Nb5 O-O 11. Nd6 Bc6 12. e4 Nb4 13. Bc4 b5 14. Bxf7+ Rxf7 15. Nxf7 Kxf7 16. Qb3+ d5 17. a3 N4a6 18. Ng5+ Kg8 19. Qh3 Qe8 20. Qxh7+ Kf8 21. Bf4 {1-0 (21) Kovalenko,I (2700)-Almasi,Z (2689) Bastia 2015}) 8... Na6 $146 (8... cxd4 $11 9. exd4 O-O) ({Predecessor:} 8... O-O 9. d5 Ba6 10. Bd3 exd5 11. cxd5 Bxd3 12. Qxd3 d6 13. e4 a6 14. a4 Re8 15. Bf4 Nh5 {0-1 (63) Justo,D (2306)-Gharamian,T (2477) France 2006}) 9. d5 exd5 10. cxd5 {The position is equal.} Nb4 11. e4 Nxc2 12. Qxc2 O-O 13. Bf4 d6 14. Rad1 Qd7 15. Rfe1 Nh5 16. Bc1 Rfe8 17. a4 Rab8 18. Qb3 Bc8 19. Qa3 a6 20. b4 b5 21. axb5 axb5 22. Bd2 Qb7 23. Rb1 Ra8 ({Black should try} 23... c4 $15) 24. Qc1 $11 {Threatens to win with bxc5.} Bd7 25. bxc5 dxc5 26. Nxb5 Bxb5 27. Qxc5 Reb8 28. Nd4 Bxd4 $1 29. Qxd4 Qa7 30. Qxa7 Rxa7 31. Rb4 Rab7 32. g4 Ng7 (32... Nf6 {keeps more tension.} 33. g5 Nd7 34. Reb1 Rb6 35. f3 Kf8) 33. Reb1 {Hoping for Bf4.} Ba6 {...Rxb4 is the strong threat.} 34. Rxb7 Rxb7 35. Ra1 Bb5 36. Ra8+ Ne8 37. e5 Bd7 {aiming for ...Rb1+.} 38. f4 Kf8 39. h3 h5 40. f5 gxf5 41. gxh5 {[#]} (41. Bh6+ $1 $15 Kg8 42. gxf5) 41... Rb1+ $1 $19 42. Kf2 {[#]} Rb2 $1 {[%cal Rb2d2]} 43. Ke2 Rb5 44. Ra5 (44. e6 $142 fxe6 45. dxe6 Re5+ 46. Kf2 Rxe6 47. Bg5) 44... Rxa5 45. Bxa5 Kg7 46. Ke3 (46. Bd2 {only move.}) 46... Kh6 47. Bd8 Ng7 ({Less strong is} 47... Kxh5 48. Bb6 $19) 48. Kd4 Kxh5 49. Kc5 (49. Ke3 $142) 49... Ne8 50. Kd4 Kg6 51. Bh4 Bc8 52. Kc5 $2 (52. Be1 {was worth a try.}) 52... f4 53. Kc6 (53. Kd4 $142 Kf5 54. Be1) 53... Kf5 54. e6 fxe6 {[%cal Bf7e6,Be6e5,Be5e4][%mdl 32]} 55. d6 e5 56. d7 {[#]} Bxd7+ $1 57. Kxd7 e4 {Accuracy: White = 27%, Black = 54%.} 0-1

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.13"]
[Round "9"]
[White "Mareco, Sandro"]
[Black "Slipak, Sergio"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2656"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,123,20,3,18,-26,39,6,8,-20,52,43,50,58,40,13,26,28,19,24,12,23,77,74,56,59,79,18,26,15,12,8,25,0,14,17,28,37,37,37,22,20,36,35,33,33,33,37,44,36,43,28,37,31,67,62,60,54,62,62,62,34,62,38,95,81,88,91,102,105,101,106,109,110,120,102,109,60,70,56,58,47,61,41,52,41,127,127,114,113,272,268,456,437,448,447,455,455,430,415,424,412,508,471,426,425,571,570,735,599,560,537]} 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 c6 {E05: Open Catalan: 5 Nf3 Be7} (7... b6 8. Ne5 Qxd4 9. Bxa8 Qxe5 10. Bf3 Nd5 11. Qxc4 Ba6 12. Qa4 c5 13. Na3 Qc7 14. Rd1 Qc8 15. Bd2 {½-½ (27) Cheparinov,I (2711)-Bacrot,E (2677) Zagreb 2018}) 8. a4 {LiveBook: 8 Games} a5 9. Na3 $146 {[#]} ({Predecessor:} 9. Qxc4 Na6 10. Nc3 Nd5 11. e4 Ndb4 12. Rd1 Qe8 13. Bf4 Kh8 14. Rac1 Bd7 15. Qe2 f6 16. Nd2 c5 17. d5 e5 {1-0 (31) Urban,K (2490)-Arlandi,E (2470) Pula 1997}) 9... Na6 (9... b5 $1 $11 {[%mdl 512]}) 10. Nxc4 Nb4 11. Qb3 b6 ({Black should try} 11... b5 $11 12. Nce5 Ba6) 12. Nfe5 $14 Bb7 13. Rd1 Qc7 14. Bf4 Nfd5 15. Bd2 b5 16. Na3 bxa4 17. Qxa4 Nb6 (17... Ba6 $11) 18. Qb3 $16 c5 19. Nb5 Qb8 20. Bxb7 (20. e4 $1 $16) 20... Qxb7 $11 21. dxc5 Bxc5 22. Bxb4 axb4 23. Rac1 Rac8 24. Nd3 Nd5 25. Rxc5 Rxc5 26. Nxc5 Qxb5 {[%mdl 64] Double Attack} 27. Nd3 h6 28. Rc1 Ra8 29. Qc4 Qb6 30. Kg2 Rb8 31. Qe4 Qb5 32. Rc5 Qb7 33. Rc4 Qb5 34. Qd4 Rd8 {White must now prevent ...Ne3+!} 35. Qc5 Qb7 {( -> ...Nf4+)} 36. Qc6 Qb8 37. Qa6 Kh7 38. Kg1 (38. b3 {seems wilder.} h5 39. Qc6 g6 40. h3 Kg7 41. Qa6) 38... Rd6 (38... b3 $14) 39. Rc8 $16 Rxa6 40. Rxb8 {[%mdl 4096] Endgame KRN-KRN} Ra1+ 41. Kg2 Rd1 42. Nxb4 Nxb4 43. Rxb4 {KR-KR} g5 44. Kf3 Kg6 45. h4 f5 46. hxg5 hxg5 47. Ke3 Kf6 48. Rd4 Rb1 49. Rd2 e5 ({Black should play} 49... Rf1 $1 $14) 50. Kd3 $1 Rc1 51. Rc2 e4+ $2 (51... Rf1 $16 {might work better.}) 52. Kc3 $1 $18 Rf1 $2 {[#]} (52... Rd1 53. b4 e3 54. fxe3 Rg1) 53. e3 $1 Ke5 {[#]} 54. b4 $1 {[%cal Bb2b4,Bb4b5][%mdl 32]} Rb1 55. Kc4 Kd6 56. b5 Kc7 57. Rd2 Kb6 58. Rd6+ {White is clearly winning.} Kc7 59. Rf6 Rb2 60. Rxf5 Kb6 61. Rf6+ Kb7 62. Kd4 {Accuracy: White = 65%, Black = 37%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.12"]
[Round "9"]
[White "Granda Zuniga, Julio E"]
[Black "Hoffman, Alejandro"]
[Result "*"]
[WhiteElo "2650"]
[BlackElo "2470"]
[Annotator "TA RC"]
[PlyCount "32"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,9,-10]} 1. b3 Nf6 2. Bb2 g6 3. d4 Bg7 4. Nf3 O-O 5. g3 {Predecessor:} d6 $146 6. Bg2 c6 7. O-O a5 8. a4 Na6 9. Nc3 Bf5 10. Re1 Qc8 11. e4 Bh3 12. Bh1 Nb4 13. e5 Nfd5 14. Ne4 dxe5 15. dxe5 Rd8 16. Qe2 Bf5 {0-1 (55) Mohr,G (2473)-Rocha,S (2370) Katowice 2017} *

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.13"]
[Round "9"]
[White "Granda Zuniga, Julio E"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2650"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,73,-4,-8,-20,-18,-16,7,-18,-10,-9,0,-2,-8,0,0,-35,0,-25,0,-6,-8,-45,-21,-37,-20,-19,-28,-14,18,11,14,0,0,0,41,0,0,0,152,138,132,115,116,98,112,112,288,275,258,257,425,436,442,406,426,407,1649,1238]} 1. b3 Nf6 2. Bb2 g6 3. d4 Bg7 4. Nf3 O-O 5. g3 c5 6. e3 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} cxd4 7. exd4 d5 8. Bg2 Nc6 9. O-O Bg4 {LiveBook: 4 Games} 10. Nc3 $146 ({Predecessor:} 10. h3 Bxf3 11. Bxf3 Ne4 12. c3 f5 13. Nd2 e5 14. dxe5 Bxe5 {0-1 (32) Meijers,V (2471)-Votava,J (2538) Germany 2011}) 10... Rc8 11. Ne2 Rc7 12. h3 Bxf3 13. Bxf3 Re8 14. Bg2 Ne4 15. c4 e6 16. Qc1 Nd6 17. c5 Nf5 {[%cal Rc6d4]} 18. Qd2 b6 19. Rfd1 Qb8 20. Rac1 Rec8 21. g4 Nfe7 22. Ba3 bxc5 23. Bxc5 Rd8 24. Rc3 Nc8 25. Rdc1 Qb7 26. a4 Nd6 27. Bxa7 Ne4 $2 {[#]} (27... Qxa7 $11 28. Rxc6 Rxc6 29. Rxc6 Bf8) 28. Bxe4 $1 $16 dxe4 29. Qe3 f5 30. Rc4 Rdd7 31. Qc3 {[%cal Rc4c6]} Qxa7 $2 {[#]} (31... Kf7 $16) 32. Rxc6 $18 Rxc6 33. Qxc6 Bxd4 $2 (33... Re7 {was worth a try.} 34. gxf5 gxf5) 34. Qxe6+ Kg7 35. Nxd4 Qxd4 36. g5 h6 (36... Rf7 $142 37. h4 Qd7 38. Qe5+ Kg8) 37. Rc6 {Accuracy: White = 69%, Black = 26%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.12"]
[Round "9"]
[White "Flores, Diego"]
[Black "Iturrizaga Bonelli, Eduardo"]
[Result "*"]
[WhiteElo "2631"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,15,0,0]} 1. Nf3 c5 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. c4 O-O 6. Be2 b6 7. O-O Bb7 8. d4 {LiveBook: 112 Games} {Predecessor:} Na6 $146 9. Nc3 d5 10. Rc1 Rc8 11. Nb5 dxc4 12. Bxc4 cxd4 13. Nfxd4 Rc5 14. Qe2 Qb8 15. Nc3 Rh5 16. f4 Nc5 17. b4 e5 {0-1 (40) Laznicka,V (2654)-Rapport,R (2686) Germany 2018} *

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.13"]
[Round "9"]
[White "Flores, Diego"]
[Black "Iturrizaga Bonelli, Eduardo"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2631"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,73,6,0,11,10,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,17,9,52,0,0,0,62,55,60,69,72,93,83,93,65,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. c4 O-O 6. Be2 b6 7. O-O Bb7 8. d4 cxd4 9. Nxd4 Nc6 10. Bf3 {LiveBook: 33 Games} d5 {A30: Symmetrical English: Double Fianchetto and Hedgehog} (10... Qc7 11. Nc3 Nxd4 12. Bxb7 Qxb7 13. Qxd4 Ne4 14. Qxe4 Qxe4 15. Nxe4 Bxb2 16. Rad1 d6 17. Rd5 a6 18. Rb1 {½-½ (36) Dragun,K (2621)-Sadzikowski,D (2563) Warsaw 2017}) 11. Nxc6 Bxc6 12. Na3 Rc8 13. Rc1 $146 ({Predecessor:} 13. cxd5 Nxd5 14. Bxg7 Kxg7 15. Rc1 Nb4 16. Qe1 Bxf3 17. Qxb4 Rxc1 18. Rxc1 {½-½ (31) Krymov,S-Chistiakov,A ICCF corr 2002}) 13... dxc4 14. Nxc4 Qxd1 15. Rfxd1 Bxf3 16. gxf3 Rfd8 17. a4 Nd7 18. Ba3 Kf8 19. Kg2 Ke8 20. f4 Rc6 21. Rc2 Rdc8 22. Rdc1 {Black must now prevent Nd6+!} Kd8 23. Rd2 (23. Bxe7+ $14 Kxe7 {[#]} 24. Nxb6 $1 {[%mdl 512]} Rxc2 25. Nxc8+ Rxc8 26. Rxc8) 23... Ke8 $11 24. Rdc2 (24. Rcd1 $11 Nc5 25. Bxc5 Rxc5 26. Rd7) 24... Kd8 $14 25. Bxe7+ $1 Kxe7 {[#]} 26. Nxb6 $1 {[%mdl 512]} Rxc2 (26... axb6 27. Rxc6) 27. Nxc8+ {[#]} Rxc8 $1 {[%mdl 512]} 28. Rxc8 {And now a5 would win.} a5 29. e4 ({White should try} 29. Rc4 $14) 29... Bd4 $11 {The position is equal.} 30. Kf3 Bc5 31. e5 Bb4 32. Rc7 Ke6 33. Rc6+ Ke7 34. Rc7 Ke6 35. Rc6+ Ke7 36. Rc7 Ke6 37. Rc6+ {Accuracy: White = 80%, Black = 81%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.12"]
[Round "9"]
[White "Bachmann, Axel"]
[Black "Perez Ponsa, Federico"]
[Result "*"]
[WhiteElo "2621"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,10,11,8]} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 {LiveBook: 4586 Games} {Predecessor:} 6. Be3 $146 e5 7. Qd2 Be6 8. Nge2 Nd4 9. O-O Ne7 10. Nd5 Nxd5 11. exd5 Bg4 12. Nxd4 cxd4 13. Bh6 O-O 14. Bxg7 Kxg7 15. c3 Qb6 16. Rae1 {0-1 (49) Andriasian,Z (2603)-Vachier Lagrave,M (2780) chess.com INT 2018} *

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.13"]
[Round "9"]
[White "Bachmann, Axel"]
[Black "Perez Ponsa, Federico"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2621"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,71,-14,0,0,0,0,0,0,0,-5,0,0,34,0,0,-2,4,18,48,21,17,24,77,91,142,130,107,30,77,13,104,117,90,108,97,105,430,15,85,83,348,87,260,264,1044,1101,29970,29967,5413,5413]} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. Nge2 Nge7 8. O-O O-O 9. Qd2 Nd4 10. f4 Be6 11. Rf2 Qd7 12. Raf1 f6 {LiveBook: 3 Games} 13. Nd5 $146 {B26: Closed Sicilian: 3 g3, lines with early Be3} ({Predecessor:} 13. Nc1 Rac8 14. Nd1 b6 15. c3 Ndc6 16. c4 Nd4 17. Nc3 exf4 18. Bxf4 f5 19. Nd5 Nec6 20. Ne2 Nxe2+ 21. Rxe2 {½-½ (31) Hernandez Carmenates,H (2544)-Homa,S (2366) Chicago 2015}) 13... Nxd5 14. exd5 Nxe2+ 15. Rxe2 {The position is equal.} Bg4 {White must now prevent ...exf4.} 16. Ree1 exf4 17. Bxf4 Rae8 18. d4 (18. h3 $5 Rxe1 19. Rxe1 Bxh3 20. Bxh3 Qxh3 21. Qe2 $11) 18... g5 19. Be3 b6 20. dxc5 dxc5 21. b4 cxb4 22. Qxb4 Rc8 (22... Rf7 $11) 23. c4 $16 Bh3 (23... Rfe8 $142) 24. Bxh3 Qxh3 25. Bd4 (25. d6 $16) 25... Rf7 26. Re6 (26. d6 $16) 26... Rfc7 (26... Qg4 $1 $11 {keeps the balance.} 27. Qc3 Rfc7) 27. Rfe1 $1 $36 {[%mdl 2048] White has strong initiative.} ({Much weaker is} 27. Bxf6 Rxc4 28. Re8+ (28. Qe7 $2 Bf8 $19) 28... Rxe8 $11) 27... Qg4 28. R6e4 $1 {[%cal Re4g4]} Qd7 29. Bb2 Qf7 $2 {[%mdl 8192]} (29... Bf8 $16 {is more resistant.} 30. Qc3 Qf5) 30. Qa4 $2 (30. d6 $18 Bf8 31. Qd2 Rxc4 32. Rxc4 (32. d7 Rd8 $11) 32... Qxc4 33. Rc1 Qxc1+ 34. Bxc1 Bxd6 35. Qd5+ Kh8 36. Bb2 Bc5+ 37. Kf1) 30... Bf8 {[#]} (30... f5 $1 $11 31. Re8+ Bf8) 31. Qb3 $1 f5 $2 {[%mdl 8192] [#]} (31... Re7 $16) 32. Re5 $2 (32. Re6 $1 $18) 32... Rxc4 $2 (32... Bg7 $16) 33. Qd3 $18 Re4 $2 (33... Qf6 34. Rf1 Rc1) 34. R1xe4 fxe4 35. Rxg5+ Bg7 36. Qxe4 {Accuracy: White = 48%, Black = 10%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.13"]
[Round "9"]
[White "Pichot, Alan"]
[Black "Bacallao Alonso, Yusnel"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2562"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,61,52,54,43,34,22,17,11,15,11,8,14,11,0,4,-6,-4,-12,-13,-13,-5,-22,-28,-24,-32,-20,-22,-27,0,0,0,0,0,0,0,-1,-1,-2]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 cxd4 7. Nxd4 Ne7 8. O-O Nbc6 9. Bb5 {B12: Caro-Kann: Advance Variation} a6 10. Bxc6+ Nxc6 11. Nxf5 exf5 12. f4 Qa5 13. Nd2 Bc5 {[#] LiveBook: 5 Games} 14. Bxc5 $146 ({Predecessor:} 14. Bf2 Rd8 15. Nb3 Bxf2+ 16. Rxf2 Qb6 {0-1 (49) Leko,P (2693)-Dreev,A (2652) Doha 2016}) 14... Qxc5+ 15. Kh1 O-O {[%cal Bh8f8,Bf8f6,Bf6e6][%mdl 32]} 16. Nb3 Qc4 17. Qd2 f6 18. exf6 Rxf6 19. Rad1 Rd8 20. Rf3 Re6 21. Rd3 Rde8 {...Re2 is the strong threat.} 22. Rc3 Qe2 {( -> ...Qe1+!)} 23. h3 {[#]} Qxd1+ $1 {[%mdl 576] Remove Defender} 24. Qxd1 Re1+ 25. Qxe1 $1 Rxe1+ $15 {[%mdl 4096] Endgame KRN-KRN} 26. Kh2 d4 27. Rd3 {The position is equal.} Rb1 28. Nxd4 Nxd4 29. Rxd4 {Black must now prevent Rd8+.} Rxb2 {[%mdl 64] [#] Double Attack} 30. Rd8+ Kf7 31. Rd7+ 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.12"]
[Round "9"]
[White "Pichot, Alan"]
[Black "Bacallao Alonso, Yusnel"]
[Result "*"]
[WhiteElo "2562"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,14,30,34]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 cxd4 7. Nxd4 Ne7 {LiveBook: 506 Games} {Predecessor:} 8. O-O $146 Nbc6 9. Bb5 a6 10. Bxc6+ Nxc6 11. Nxf5 exf5 12. c3 Qd7 13. Re1 Be7 14. Nd2 O-O 15. Nf3 Qe6 16. Qb3 b5 {1-0 (40) Dominguez Perez,L (2739)-So,W (2780) Saint Louis 2018} *

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.12"]
[Round "9"]
[White "Darcyl, Tomas"]
[Black "El Debs, Felipe de Cresce"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2366"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,1,-3,-11,-5,-9,-8,-8,-3,-8,1,-17,0,0,0,0,0,0,34,45,47,62,231,236,225,231,235,252,241,241,239,239,231,230,224,227,302,299,283,176,274,275,495,450,564,543,710,569,572,554,723,644,618,633,617,595,935,579,1366,1358,29998,29999,29999]} 1. c4 e5 2. e3 Nf6 3. Nc3 Bb4 4. Nge2 O-O 5. a3 Be7 {LiveBook: 70 Games} 6. e4 {A22: English Opening: 1...e5 2 Nc3 Nf6} (6. Nd5 c6 7. Nxe7+ Qxe7 8. d4 d5 9. cxd5 Nxd5 10. dxe5 Qxe5 11. Qd4 Nd7 12. e4 N5f6 13. f3 c5 {½-½ (73) Laznicka,V (2647)-Harikrishna,P (2744) Riadh 2017}) 6... c6 {[%cal Bc7c6,Bc6d5][%mdl 32]} 7. d4 exd4 $146 ({Predecessor:} 7... d6 8. f3 Nh5 9. Be3 Bg5 10. Qd2 Bxe3 11. Qxe3 a6 12. O-O-O Qe7 {1-0 (35) Sorensen,D (1949)-Ramme,C (2062) Copenhagen 2010}) 8. Nxd4 {The position is equal.} d5 9. cxd5 cxd5 10. e5 Ng4 11. e6 Nxf2 12. Kxf2 {Strongly threatening exf7+.} fxe6+ 13. Nf3 Bc5+ 14. Ke1 {[%cal Bf2e1,Be1d2,Bd2c2,Bc2b3][%mdl 32]} Nc6 15. Be2 Ne5 $2 {[#]} (15... Bd7 $14) 16. Nxe5 $18 Qh4+ 17. g3 Bf2+ 18. Kd2 Qg5+ 19. Kc2 Qxe5 20. Bf4 Qd4 21. Qxd4 Bxd4 22. Nb5 Bf6 23. Nc7 Rb8 24. Kb3 {aiming for Bd6.} Bd7 (24... e5 $142) 25. Bg4 g5 $2 (25... Rf7 {keeps fighting.}) 26. Bd6 Rf7 27. Bh5 Rg7 28. Rae1 Rc8 29. Rhf1 Bd4 30. Nxe6 Bxe6 31. Rxe6 Rd7 32. Be5 Bc5 33. Ref6 Re7 34. Bf7+ {[%mdl 64] [#] Double Attack} Kg7 35. Rg6+ {[%mdl 64] Double Attack} Kf8 36. Rg8# {Accuracy: White = 64%, Black = 37%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "10"]
[White "Granda Zuniga, Julio E"]
[Black "Flores, Diego"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2650"]
[BlackElo "2631"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,52,16,29,17,18,26,17,26,33,30,35,10,18,12,37,0,0,0,48,50,29,8,7,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. Bd2 Nf6 7. e3 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} c5 (7... Bxc3 8. Bxc3 Nd5 9. Bxc4 Nxc3 10. bxc3 Qa5 11. Qc2 O-O 12. O-O Nd7 13. Bd3 h6 14. e4 b6 {1-0 (41) Tari,A (2584)-Bosiocic,M (2591) Doha 2016}) 8. dxc5 O-O 9. Bxc4 Nc6 10. O-O Bxc5 {LiveBook: 10 Games} 11. Qb1 Qe7 $146 ({Predecessor:} 11... e5 12. h3 Qe7 13. Ng5 g6 14. Kh1 Kg7 {0-1 (27) Alfred,N (2227)-Kaganskiy,G (2294) Jerusalem 2017}) 12. Ne4 Nxe4 13. Qxe4 Bd7 14. Bc3 Rad8 15. h4 Bb4 16. Rfc1 g6 17. h5 Bxc3 $1 18. Rxc3 Na5 19. hxg6 hxg6 20. Ne5 Nc6 {The position is equal.} 21. Nxd7 Rxd7 22. Bb5 Rd2 23. Bxc6 bxc6 24. Rxc6 Qf6 25. Rf1 Rxb2 26. Rc2 Rxc2 {Accuracy: White = 39%, Black = 78%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "10"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "Pichot, Alan"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2628"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,27,0,-16,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 O-O 9. O-O b5 10. Be2 Bb7 11. e4 e5 12. Bg5 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran} (12. dxe5 Nxe5 13. Nh4 Bc8 14. h3 Ng6 15. Nf5 Bxf5 16. exf5 Nf4 17. Bf3 Rc8 18. Rd1 Qe7 19. Be3 Rfd8 {1-0 (56) Aronian,L (2793)-Giri,A (2771) Leuven 2017}) 12... exd4 13. Nxd4 {LiveBook: 4 Games} Qc7 14. g3 {[#]} {Predecessor:} Rfe8 $146 15. Rac1 Rac8 16. Qd2 Qb8 17. Nf5 Bf8 18. f3 h6 19. Bf4 Ne5 {0-1 (39) Feoktistov,A (2359)-Yevseev,D (2539) St Petersburg 1999} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "10"]
[White "Bacallao Alonso, Yusnel"]
[Black "Mareco, Sandro"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2582"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,33,12,13,10,10,3,6,18,12,13,42,15,18,12]} 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. c4 dxc4 7. Ne5 Nc6 8. Bxc6 bxc6 9. Nxc6 Qe8 10. Nxe7+ Qxe7 11. b3 {E05: Open Catalan: 5 Nf3 Be7} (11. Qa4 e5 12. dxe5 Qxe5 13. Nc3 Ne4 14. Qxc4 Nxc3 15. bxc3 Be6 16. Bf4 Bxc4 17. Bxe5 c6 18. Rfe1 Rfe8 19. Bd4 Bxe2 {½-½ (28) Meier,G (2628)-Giri,A (2782) Dortmund 2018}) 11... cxb3 {LiveBook: 5 Games} 12. Qxb3 {Strongly threatening Ba3.} Rd8 13. Ba3 Qe8 14. Rd1 Ba6 15. Nc3 {[#]} c6 $146 ({Predecessor:} 15... Nd5 16. e4 Rab8 17. Qc2 Nb4 18. Bxb4 Rxb4 {½-½ (42) Hilby,C (2390)-Brown,M (2506) Las Vegas 2017}) 16. Qa4 Bb5 $1 {[%cal Rb5a4]} 17. Qc2 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "10"]
[White "El Debs, Felipe de Cresce"]
[Black "Bachmann, Axel"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2544"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,64,38,45,81,81,167,-41,-49,-56,-61,-82,-89,-88,-55,-72,-57,-61,-53,-60,-34,-42,0,-37,-36,-38,-44,-151,-166,-295,-304,-276,-279,-264,-262,-523,-511,-513,-502,-587,-576,-575,-566]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 a6 6. Bb3 d6 7. c3 Ba7 8. Nbd2 h6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 9. Re1 g5 (9... Nh5 10. Nf1 Qf6 11. Ne3 Nf4 12. Nd5 Nxd5 13. exd5 Ne7 14. d4 exd4 15. Nxd4 O-O 16. Be3 {½-½ (101) Amin,B (2689)-Bu,X (2730) Riadh 2017}) 10. Nf1 g4 11. N3d2 h5 12. Nc4 h4 13. Be3 $1 {LiveBook: 15 Games} h3 14. g3 $1 d5 (14... Bb8 $16) 15. Ncd2 $2 (15. exd5 $1 $18 Qxd5 16. f3 $1 {[%mdl 512]} gxf3 17. Qd2 f2+ 18. Qxf2) 15... d4 $1 $15 {[%cal Rd4e3]} 16. Bg5 {[#]} Rh5 $146 17. Bxf6 Qxf6 18. c4 Bd7 19. Ba4 Bc5 20. a3 Be7 21. b4 Kf8 22. f3 a5 23. Bxc6 (23. fxg4 {is interesting.} Rg5 24. Nf3 Rxg4 25. Bxc6 bxc6 26. bxa5 c5 27. N1d2) 23... bxc6 24. fxg4 Rh8 $36 {[%mdl 2048] Black is pushing.} 25. Nf3 (25. b5 $15) 25... Bxg4 $17 {[%cal Bd7g4,Bg4d1,Bd1c2][%mdl 32]} 26. Nxe5 (26. N1d2 {was the only chance.}) 26... Bxd1 $19 27. Nd7+ Kg7 28. Nxf6 {[#]} Bc2 $1 ({And not} 28... Kxf6 29. Rexd1 axb4 30. axb4 $15) 29. Rac1 $2 (29. Ra2 {is a better defense.} Bxd3 30. Nd7 Bxc4 31. Rf2) 29... Bxd3 {Black is clearly winning.} ({Stronger than} 29... Kxf6 30. Rxc2 axb4 31. axb4 $15) 30. Nd7 axb4 31. Ne5 Rxa3 32. Nxd3 Rxd3 {Accuracy: White = 49%, Black = 40%.} 0-1

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "10"]
[White "Hoffman, Alejandro"]
[Black "Perez Ponsa, Federico"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2470"]
[BlackElo "2554"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,77,-1,0,0,0,0,1,0,0,0,7,10,21,0,0,-9,24,24,41,32,78,0,0,0,0,0,0,0,0,-22,-15,-17,-20,-36,14,17,33,35,25,5,20,14,20,0,22,0,11,12,22,13,14,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. Re1 Nbd7 7. e4 e5 8. h3 Re8 9. Nc3 c6 10. a4 Qc7 11. Be3 b6 12. Qd2 a6 13. dxe5 {B07: Pirc Defence: Miscellaneous Systems} dxe5 14. Red1 Bb7 15. Nh2 $146 ({Predecessor:} 15. Ne1 Bf8 16. Nd3 Red8 17. f3 Be7 18. Qf2 Ne8 19. f4 f6 20. Kh1 c5 {½-½ (41) Shchekachev,A (2465)-Roobol,M Avoine 1995}) 15... Rad8 16. f3 b5 17. Qf2 b4 18. Na2 c5 19. Bf1 Rc8 20. Ng4 Nxg4 21. hxg4 a5 22. Bc4 (22. Nc1 $16) 22... Nb6 $36 {[%mdl 2048] Black is more active.} 23. Bb5 Bc6 24. Bxc5 Nxa4 25. Bd6 Qb6 26. Qxb6 Nxb6 27. Ba6 Ra8 {White must now prevent ...Na4.} 28. Be2 Bf8 29. b3 Rad8 30. Bxf8 Kxf8 31. c3 bxc3 {The position is equal.} 32. Nxc3 Rxd1+ 33. Rxd1 Ke7 34. Kf2 a4 35. bxa4 Nxa4 36. Nxa4 Bxa4 37. Rd5 Kf6 38. Ke3 g5 39. Rd6+ {Accuracy: White = 53%, Black = 43%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "10"]
[White "Slipak, Sergio"]
[Black "Darcyl, Tomas"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2421"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,29,0,13,83,64,95,48,83,57,88,6,16,-15,4,-18,-24,-39,-31,-20]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 c5 6. c4 {A05: Réti Opening: 1 Nf3 Nf6} (6. e4 d6 7. a4 b4 8. Nbd2 Be7 9. Nc4 O-O 10. Re1 Nbd7 11. Bf4 d5 12. Nd6 Bc6 13. Ng5 Nb6 14. Ndxf7 Rxf7 15. Bh3 Bd7 16. a5 e5 17. axb6 Bxh3 18. b7 {0-1 (74) Carlsen,M (2876)-Vachier Lagrave,M (2723) Stavanger 2015}) 6... bxc4 7. dxc4 {LiveBook: 17 Games} d5 (7... Be7 $11) 8. cxd5 $16 {White is better.} exd5 9. Bf4 Bd6 $146 ({Predecessor:} 9... Be7 10. Nc3 O-O 11. Rc1 d4 12. Na4 Nbd7 13. b4 cxb4 14. Nxd4 Bxg2 15. Kxg2 {½-½ (59) Bistrikova,E (2230)-Tsiganova,M (2269) St Petersburg 2003}) 10. Bxd6 Qxd6 11. Qc2 ({Better is} 11. e4 $16 {Strongly threatening e5.} Nxe4 12. Nfd2) 11... O-O 12. Nbd2 Nbd7 13. Rac1 Rfe8 14. e3 Rac8 15. Rfd1 {Accuracy: White = 39%, Black = 30%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.13"]
[Round "10"]
[White "Slipak, Sergio"]
[Black "Darcyl, Tomas"]
[Result "*"]
[ECO "B12"]
[Annotator "NA"]
[PlyCount "61"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:07:02]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:11]} d5 {[%emt 0:00:00]} 3. e5 {[%emt 0:00:15]} Bf5 {[%emt 0:00:55]} 4. Nf3 {[%emt 0:00:11]} e6 {[%emt 0:00:07]} 5. Be2 {[%emt 0:00:11]} c5 {[%emt 0:00:06]} 6. Be3 {[%emt 0:00:36]} cxd4 {[%emt 0:00:16]} 7. Nxd4 {[%emt 0:00:07]} Ne7 {[%emt 1:32:06]} 8. O-O Nbc6 9. Bb5 a6 10. Bxc6+ Nxc6 11. Nxf5 exf5 12. f4 Qa5 13. Nd2 Bc5 14. Bxc5 Qxc5+ 15. Kh1 O-O 16. Nb3 Qc4 17. Qd2 f6 18. exf6 Rxf6 19. Rad1 Rd8 20. Rf3 Re6 21. Rd3 Rde8 22. Rc3 Qe2 23. h3 Qxd1+ 24. Qxd1 Re1+ 25. Qxe1 Rxe1+ 26. Kh2 d4 27. Rd3 Rb1 28. Nxd4 Nxd4 29. Rxd4 Rxb2 30. Rd8+ Kf7 {[%emt 0:00:00]} 31. Rd7+ *

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "11"]
[White "Mareco, Sandro"]
[Black "Iturrizaga Bonelli, Eduardo"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2656"]
[BlackElo "2628"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,64,1,-5,-1,-27,-31,-20,-6,-10,-11,-24,-10,-19,-19,-87,-91,-138,-140,-122,-122,-131,-58,-112,-99,-112,-19,-21,-20,-20,-29,-22,-12,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. a3 Be7 7. e4 O-O {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} 8. Nb3 (8. Nf3 Qa5 9. Bd2 Qh5 10. Be2 d5 11. exd5 exd5 12. cxd5 Nxd5 13. Nd4 Qe5 14. Nxc6 bxc6 15. O-O {½-½ (47) So,W (2780)-Vachier Lagrave,M (2779) Saint Louis 2018}) 8... b6 9. Be2 {LiveBook: 7 Games} Ba6 10. O-O $146 ({Predecessor:} 10. Bf4 d6 11. O-O Rc8 12. Nd2 Nd4 13. Re1 Nxe2+ 14. Qxe2 Qc7 15. b3 Rfd8 16. Nf3 Nh5 {½-½ (16) Noble,M (2574)-D'Adamo,E (2557) ICCF email 2011}) 10... Ne5 {[%cal Bc6e5,Be5g4,Bg4f2][%mdl 32]} 11. Nd2 Qc7 12. b3 Rad8 13. Bb2 Bb7 14. Re1 Qb8 15. Nf3 (15. b4 $11 {keeps the balance.}) 15... Neg4 $17 {aiming for ...Bc5.} 16. h3 {[#]} Nxf2 $1 {[%mdl 512]} 17. Kxf2 Bc5+ 18. Nd4 Qe5 ({Black should play} 18... e5 $17 19. Nd5 Nxe4+ 20. Kg1 Rde8) 19. Na4 (19. Ncb5 $15) 19... Nxe4+ 20. Kg1 Qg3 (20... d5 $17 {White must now prevent ...Bd6.} 21. Nxc5 bxc5) 21. Nxc5 $11 Qe3+ 22. Kh2 Qf4+ ({Much worse is} 22... bxc5 $6 23. Bf3 $16) 23. Kg1 {Strongly threatening Nxe4.} Qf2+ {The position is equal.} ({Reject} 23... bxc5 $6 24. Bf3 $16) 24. Kh2 bxc5 25. Nf3 $1 {And now Be5 would win.} Qg3+ 26. Kg1 {Threatens to win with Be5.} Qf2+ 27. Kh2 Qg3+ 28. Kg1 {Be5 is the strong threat.} Nf2 29. Be5 Nxh3+ $1 30. Kh1 Nf2+ 31. Kg1 Nh3+ $1 32. Kh1 Nf2+ {Accuracy: White = 61%, Black = 72%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "11"]
[White "Flores, Diego"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2631"]
[BlackElo "2470"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,103,23,40,19,37,35,68,68,88,81,83,90,81,90,92,56,52,56,85,85,71,69,61,30,29,22,30,22,33,33,33,31,16,0,9,0,0,-12,0,0,0,0,33,40,32,40,50,40,71,76,61,-18,4,0,14,0,7,10,37,31,33,29,33,33,285,274,712,706,704,674,715,644,610,337,272,256,235,230,220,220,214,206,660,656,616,567,543,514,29977,29979]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. c4 c6 5. b3 Bg7 6. Bb2 O-O 7. O-O a5 8. Nc3 Na6 {LiveBook: 12 Games. A11: English Opening: 1...c6} (8... Ne4 9. Na4 Bxb2 10. Nxb2 Na6 11. d3 Nf6 12. cxd5 Nxd5 13. Qd2 Bg4 14. Nc4 Bxf3 15. Bxf3 Nc5 16. d4 {½-½ (72) Anton Guijarro,D (2650)-Vidit,S (2689) Doha 2016}) 9. Rc1 Bg4 $146 ({Predecessor:} 9... Re8 10. d4 Nc7 11. Na4 Nd7 12. Qc2 Na6 13. a3 Nb6 14. c5 Bf5 15. Qd2 Nxa4 16. bxa4 {1-0 (59) Soppe,G (2460)-Hoffman,A (2440) San Martin 1993}) 10. Ne5 Be6 {White is slightly better.} 11. d4 Ne8 12. cxd5 cxd5 13. e3 f6 14. Nd3 Bf7 15. e4 {[%cal Rc3d5]} dxe4 16. Nxe4 b6 17. Nc3 Bh6 18. Rc2 Rb8 19. Nb5 {[%cal Bc3b5,Bb5a7,Ba7c6][%mdl 32]} Bd5 {aiming for ...Bxg2.} 20. Na7 Bxg2 21. Kxg2 Qd5+ 22. Qf3 $1 {[%cal Rf3d5]} Nec7 23. Nc6 Rbe8 24. Ba3 Rf7 25. Re1 {[%cal Rc6e7]} e6 26. Re4 Rd7 27. Bc1 Bxc1 28. Rxc1 Kg7 29. Nf4 Qd6 30. Qe2 Kf7 31. h4 Nb4 32. Nxb4 axb4 33. Re1 (33. Qf3 $14) 33... Rde7 (33... f5 $5 {[%cal Rf5e4]} 34. Re5 Qc6+ 35. Qf3 Qxf3+ 36. Kxf3 Rxd4 $15) 34. Kh2 Ra8 35. Qc2 Rae8 36. h5 {Strongly threatening hxg6+.} Rg8 37. d5 {[%cal Bd4d5,Bd5d6][%mdl 32]} e5 38. Rc4 {Black must now prevent Rc6.} Nb5 {Threatens to win with ...Na3.} 39. Rc6 Qd7 $2 {[%mdl 8192] [#]} ({Better is} 39... Nd4 $14 40. Rxd6 Nxc2) 40. d6 $1 $18 ({Weaker is} 40. Rxb6 exf4 41. Rxe7+ Qxe7 $14) 40... Nd4 $2 (40... Nc3) 41. Qc4+ {[%mdl 64] Double Attack} Kg7 42. dxe7 Nxc6 {[#]} 43. h6+ $1 {[%mdl 512]} Kh8 (43... Kxh6 44. Qxg8) 44. Nd5 Nxe7 45. Nxf6 $40 {[%mdl 192] Intending Qf7 and mate. Double Attack, Discovered Attack. White is out for blood.} Qd2 46. Qf7 {[%csl Gf6][%cal Rf7h7]} Qxh6+ 47. Kg2 Qg7 {[#]} 48. Qe6 $1 Ra8 $2 {[#]} (48... Rf8) 49. Nxh7 $1 {[%mdl 512]} Nf5 (49... Qxh7 50. Rh1) 50. Rh1 Qb7+ 51. Kg1 Ng7 (51... Qxh1+ $18 52. Kxh1 Kxh7 53. Qxe5 Rxa2) 52. Qxg6 {Accuracy: White = 59%, Black = 39%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "11"]
[White "Bachmann, Axel"]
[Black "Slipak, Sergio"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2621"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,66,0,-10,-1,-4,-10,-6,6,6,6,8,13,15,16,12,20,20,20,27,33,10,2,0,7,0,8,0,13,2,12,13,8,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,-8,0,-22,-18,-21,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 b6 5. Nc3 Bd6 6. Bd3 Bb7 7. Qc2 {E14: Queen's Indian: Classical Variation (4 e3)} (7. O-O O-O 8. b3 Nbd7 9. Bb2 a6 10. Rc1 Ne4 11. Qc2 f5 12. Ne2 c5 13. Ne5 cxd4 14. exd4 Bxe5 15. dxe5 Ndc5 16. cxd5 Qg5 17. g3 Bxd5 18. Nf4 {½-½ (36) Mons,L (2500)-Navara,D (2726) Germany 2018}) 7... O-O 8. e4 dxe4 9. Nxe4 {LiveBook: 3 Games} Bb4+ 10. Ke2 Nbd7 11. Rd1 Nxe4 12. Bxe4 Bxe4 13. Qxe4 Qe7 $146 ({Predecessor:} 13... Bd6 14. Kf1 Qe7 {½-½ (45) Alexandrova,O (2371)-Lakos,N (2317) Germany 2008}) 14. Bg5 f6 15. Be3 Bd6 16. Qc6 Rad8 17. Rac1 Nb8 $1 {[%cal Rb8c6]} 18. Qe4 c5 {The position is equal.} 19. Kf1 (19. b4 {keeps more tension.} cxd4 20. Nxd4 Bxb4 21. Qxe6+ Qxe6 22. Nxe6 Rxd1 23. Kxd1 Re8 24. c5) 19... f5 20. Qc2 {aiming for Bg5.} h6 21. Re1 Qf6 22. Rcd1 Nc6 23. Qa4 Nxd4 24. Nxd4 cxd4 25. Bxd4 e5 26. Bc3 Qh4 {White must now prevent ...Bc5.} 27. Bxe5 Bxe5 28. Rxd8 Rxd8 29. Rxe5 Qxh2 {[#] ( -> ...Rd2)} 30. Re8+ Rxe8 31. Qxe8+ $11 {KQ-KQ} Kh7 32. Qe6 Qh1+ 33. Ke2 Qb1 {Accuracy: White = 87%, Black = 63%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "11"]
[White "Pichot, Alan"]
[Black "Granda Zuniga, Julio E"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2562"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,133,0,5,-21,0,-5,3,-10,0,-3,-14,0,0,-15,0,0,0,0,10,6,10,10,18,0,0,0,0,-6,-14,-2,0,-20,-23,-18,-14,-19,-21,-21,-14,-23,-14,-24,-20,-30,-22,-39,-39,-59,-60,-74,-75,-81,-63,-94,-61,-81,-81,-81,-79,-93,-81,-118,-81,-115,-81,-118,-72,-66,-51,-67,-75,-77,-23,-30,-6,-7,-8,-10,-4,-9,-12,-15,-4,-19,-4,0,-20,-20,0,-423,-427,-348,-388,-603,-571,-685,-679,-734,-712,-666,0,0,0,0,0,0,20,20,27,27,28,8,52,8,8,0,4,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Nbd2 O-O 6. O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} Re8 7. c3 a6 8. Ba4 d5 {LiveBook: 5 Games} 9. Bb3 $146 ({Predecessor:} 9. Qe2 b5 10. Bb3 d4 11. Bc2 Bb6 12. cxd4 Nxd4 13. Nxd4 Bxd4 {½-½ (39) Anand,V (2770)-Nakamura,H (2787) Leuven 2016}) 9... d4 10. Qc2 Ba7 11. cxd4 Bxd4 12. Ba4 Re6 13. a3 Nd7 14. Nb3 Ba7 {[#] Strongly threatening ...b5.} 15. Bxc6 $1 Rxc6 16. Qe2 Rb6 17. Na5 Re6 18. b4 Nf8 19. Be3 Bxe3 20. Qxe3 b6 21. Nb3 Bb7 22. Rac1 Qe7 23. Rc3 Rd8 24. Qc1 Rd7 25. Qc2 Qd8 26. Rc1 {[%cal Rc3c7]} Ree7 27. a4 g6 28. a5 Kg7 29. axb6 cxb6 30. g3 f6 31. h4 Ne6 {[%cal Bf8e6,Be6c7,Bc7b5][%mdl 32]} 32. Qe2 Rd6 33. Ne1 Qe8 34. Qa2 Qf7 35. Qe2 Nc7 36. Qe3 Nb5 37. Rc4 Red7 38. f3 Rd8 39. Qf2 Qe8 40. Qe3 Bc8 41. R4c2 Be6 42. Nd2 Nd4 43. Rc7+ R6d7 (43... Bf7 $17) 44. f4 $1 $11 Bf7 45. Rxd7 Rxd7 46. Ndf3 exf4 47. gxf4 Qd8 48. Rc3 a5 49. Nxd4 Rxd4 50. bxa5 bxa5 51. Nf3 Rb4 52. Rc6 $2 {[%mdl 8192]} (52. Qa7 $11) 52... Qd7 $19 53. Rc2 {[#]} a4 $1 {[%cal Ba5a4,Ba4a3][%mdl 32]} 54. h5 (54. Kh2 $142 a3 55. e5) 54... a3 55. h6+ Kxh6 56. Qc5 Rb1+ 57. Kf2 Rb2 $2 (57... Bb3 $19 58. Qf8+ Qg7) 58. Rxb2 $11 axb2 59. Qf8+ Kh5 60. Qg7 Be6 61. Qxf6 {[%csl Gf3][%cal Rf6h4]} Kh6 62. Qxb2 {f5! is the strong threat.} Qxd3 63. Qe5 Qd7 64. Qf6 {White wants to play Kg3.} Qf7 {The position is equal.} 65. Qe5 Bc8 66. Kg3 Qe6 67. Qxe6 {Accuracy: White = 51%, Black = 57%.} 1/2-1/2

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "11"]
[White "Perez Ponsa, Federico"]
[Black "El Debs, Felipe de Cresce"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "2554"]
[BlackElo "2544"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,61,10,0,0,0,15,2,9,36,34,0,14,30,27,27,37,41,52,33,122,122,127,115,110,108,106,100,192,174,173,203,211,193,280,306,291,261,383,386,4834,4814,4802,4806,29984,29985,29980,29980,29986,29987,29997,170]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bd6 5. d3 O-O (5... a6 6. Ba4 b5 7. Bb3 Na5 8. d4 exd4 9. Qxd4 O-O 10. Bg5 Be7 11. e5 Ne8 12. Bxe7 Qxe7 13. Nd5 {½-½ (63) Hou,Y (2658)-Ponomariov,R (2686) Shenzhen 2018}) 6. a3 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4} Re8 7. g4 {LiveBook: 9 Games} Nd4 8. g5 {The position is equal.} Nxb5 9. Nxb5 Nh5 $1 10. Nxd6 cxd6 11. Nh4 g6 12. Nf5 $36 {[%mdl 2048] White is more active.} gxf5 13. Qxh5 {[#]} f4 $146 14. Rg1 d5 15. Bd2 Re6 (15... Qb6 $14) 16. exd5 $16 Rg6 17. d6 Qb6 18. Bc3 {Black must now prevent 0-0-0.} Qxd6 19. d4 {aiming for 0-0-0.} e4 {[#]} (19... Qd5 $16) 20. d5 $1 $18 Qxd5 {[#]} 21. Rg4 $1 {[%cal Bg1g4,Bg4f4,Bf4h4,Bh4h7,Bh7h8,Bh8a8][%mdl 32] And now Qxh7+! would win.} f5 22. Rxf4 d6 (22... b6 $142 23. Rh4 Qf7) 23. Rh4 Qf7 24. Qd1 Qc4 {[#]} (24... Bd7 {was called for.} 25. Qd4 Kf8 26. Qh8+ {[%mdl 64] Double Attack} Rg8) 25. Rxh7 $1 {[%mdl 512] White threatens Qh5 and mate.} Rxg5 $2 (25... e3) (25... Kxh7 26. Qh5+) 26. Rh8+ Kf7 27. Qxd6 {[%csl Gd6][%cal Rh8f8]} Be6 28. Rxa8 {White mates.} Rg1+ 29. Kd2 e3+ 30. Kxe3 Rxa1 31. Qf8+ {Accuracy: White = 79%, Black = 29%.} 1-0

[Event "Festival Szmetan-Giardelli 2018"]
[Site "Buenos Aires"]
[Date "2018.12.14"]
[Round "11"]
[White "Darcyl, Tomas"]
[Black "Bacallao Alonso, Yusnel"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2366"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2018.12.04"]
[EventType "tourn"]
[EventCountry "ARG"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,42,0,11,1,13,16,11,4,20,11,14,7,41,7,16,7,12,0,0,6,22,0,4,-19,-20]} 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. Nc3 O-O 7. d4 Ne4 8. Bd2 Bf6 9. Nxe4 Bxe4 10. Bc3 d5 {LiveBook: 3 Games. E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3)} (10... d6 11. Nd2 Bxg2 12. Kxg2 Nd7 13. Rc1 g6 14. b4 Bg7 15. e3 c5 16. Qf3 Qe7 17. Rfd1 cxd4 18. Bxd4 {0-1 (50) Guerrero Sierra,J (2343)-Sorokin,A (2511) Moscow 2018}) 11. cxd5 exd5 12. Rc1 Re8 $146 ({Predecessor:} 12... a5 13. Qa4 Na6 14. Rfd1 Qe8 15. Qxe8 Rfxe8 {0-1 (66) Allenby,G-Wagenbach,J England 2001}) 13. e3 Nd7 14. Ne1 {[%cal Bf3e1,Be1g2,Bg2f4][%mdl 32]} Bxg2 15. Nxg2 Qc8 16. Nf4 Qb7 {The position is equal.} 17. Qf3 c6 18. Rc2 Be7 19. Rfc1 Bd6 20. Kg2 Bxf4 21. Qxf4 Re6 {Accuracy: White = 50%, Black = 55%.} 1/2-1/2

