[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Lima, Darcy"]
[Black "Campos, Alexandre Ferreira"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2550"]
[BlackElo "2076"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,104,24,20,41,33,63,50,61,68,62,71,86,67,77,25,28,-1,0,0,0,0,0,0,0,0,0,0,0,0,11,-16,-10,-16,0,-10,-12,-9,-12,-12,-10,-13,-7,-10,-12,-35,-12,-12,-13,-7,0,0,0,0,0,0,0,-46,-32,-73,-38,-31,-35,-83,-45,-47,0,0,0,0,0,0,0,0,0,0,0,-338,-338,-330,-326,-283,-324,-312,-283,-601,-576,-29995,0,-522,277]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O 9. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32] LiveBook: 20 Games. C84: Closed Ruy Lopez: Unusual White 6th moves} Rb8 (9... Bg4 10. h3 Bh5 11. d5 Na5 12. Bc2 Qd7 13. Re1 c6 14. dxc6 Nxc6 15. Nf1 Bg6 16. Nh4 Rfd8 17. Nxg6 hxg6 {½-½ (71) McShane,L (2696)-Tazbir,M (2555) Warsaw 2013}) 10. h3 Bb7 11. Re1 {White is slightly better.} Nd7 12. Nf1 Bf6 13. Ng3 $146 ({Predecessor:} 13. d5 Ne7 14. Ng3 g6 15. Bh6 Bg7 16. Qd2 Nc8 17. Nh2 Bxh6 18. Qxh6 {1-0 (63) Tsiros,F (2185)-Stamoulas,N (1965) Kavala 2015}) 13... g6 14. Bh6 Re8 15. Qd2 ({White should play} 15. a4 $16) 15... Na5 $11 16. Bc2 Nc4 17. Qc1 exd4 18. cxd4 c5 19. b3 Ncb6 20. Qd2 cxd4 21. Nxd4 d5 22. Rad1 Rc8 23. exd5 Rxe1+ 24. Rxe1 Bxd5 25. Ne4 Bxe4 26. Bxe4 Nc5 27. Nf3 Nxe4 28. Rxe4 Qxd2 29. Nxd2 Nd5 30. a3 Bg7 (30... Nc7 {keeps more tension.} 31. Re1 Ne6 32. a4 Rc2 33. axb5 axb5 34. Ne4 Be5) 31. Bxg7 Kxg7 {[%mdl 4096] Endgame KRN-KRN} 32. Rd4 Ne7 33. g4 Rc3 34. Kg2 f5 35. g5 Kf7 36. Rd7 Ke6 37. Ra7 Nd5 $1 {[%cal Rd5f4] White must now prevent ...Nf4+.} 38. Rxa6+ Ke5 39. Nf3+ Kf4 40. Nd4 Kxg5 {Strongly threatening ...Nf4+.} 41. Ne6+ Kh4 42. Ra7 {[%cal Ra7h7]} h5 43. Rd7 Rd3 {...Nf4+! is the strong threat.} 44. Kg1 Rd1+ 45. Kh2 Rd3 46. Nf8 $2 {[%mdl 8192]} (46. Kg1 $11 {and White has nothing to worry.}) 46... Rxh3+ $19 47. Kg1 {[#]} Nf4 $1 48. Rd4 Kg5 49. Rb4 Rc3 50. Nh7+ $2 {[#]} (50. a4) 50... Kg4 $1 51. Nf6+ Kg5 $2 (51... Kh3 {mates} 52. f3 Kg3 53. Rc4 bxc4 54. Ne4+ fxe4 55. fxe4 Rc1#) 52. Kh2 $2 {[%mdl 8192]} (52. Nh7+ $11 {and White stays safe.} Kg4 53. Rd4) 52... Nd5 $4 {[%mdl 40960] Precision: White = 51%, Black = 53%. . Loss on Time!?} (52... Kxf6 $19 53. Rxf4 Rxb3) 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Rodriguez Vila, Andres"]
[Black "Dos Santos, Vitor Eduardo Mello"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2482"]
[BlackElo "2054"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,43,4,8,-104,-122,-100,-100,-100,-102,-96,-22,-14,0,0,4,-26,0,-12,88,0,310,271,357,366,808,765]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 a6 6. a4 {C50: Hungarian Defence and Giuoco Pianissimo} d6 7. c3 Ba7 8. Re1 O-O 9. Bg5 (9. h3 Kh8 10. d4 h6 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Qxd8 Rxd8 14. Nd2 Kg8 15. Nf3 {½-½ (31) Anand,V (2771)-Aronian,L (2780) Batumi 2018}) 9... h6 10. Bh4 g5 {LiveBook: 3 Games} 11. Nxg5 (11. Bg3 $11) 11... hxg5 $17 12. Bxg5 Kg7 $146 ({Predecessor:} 12... Bg4 13. Qc1 Be6 14. Bh4 Kh7 {½-½ (25) Stukopin,A (2590)-Fakhrutdinov,T (2439) Samara 2017}) 13. Qf3 {[#]} Rh8 $1 14. Nd2 {[%cal Bb1d2,Bd2f1,Bf1g3,Bg3f5][%mdl 32]} Qe7 (14... Kg6 $17 15. h4 Be6) 15. Nf1 Be6 16. Ng3 Nb8 17. d4 {d5 is the strong threat.} Nbd7 $1 18. Rad1 Rae8 (18... Rag8 $1 $11 {remains equal.}) 19. Rd3 (19. h3 $16) 19... Qf8 $2 {[%mdl 8192] [#]} (19... Reg8 $11 {and Black stays safe.}) 20. Nf5+ $1 $18 Bxf5 21. Qxf5 {Bxf6+ would kill now.} Nh5 $2 (21... Qe7 22. Rg3 Kf8) 22. Qxd7 {Precision: White = 26%, Black = 35%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Hoffman, Alejandro"]
[Black "Brito, Vicente De Paulo Al"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2479"]
[BlackElo "2044"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,67,10,0,19,0,35,22,120,113,122,123,117,123,154,158,217,214,229,224,216,207,239,229,301,268,270,262,262,269,268,281,283,291,275,281,295,277,340,330,363,357,420,428,919,920,904,901,885,864]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Be3 Be6 {E81: Königsindisch (Sämisch-Angriff)} 11. Rc1 {LiveBook: 6 Partien} Rac8 12. b3 Nd7 $146 {Die Stellung ist ausgeglichen.} ({Vorgänger:} 12... Nb4 13. Nh3 Bxh3 14. gxh3 Nh5 15. Nd5 Nc6 16. Kf2 e6 17. Nf4 Nxf4 18. Bxf4 {½-½ (30) Ma,Q (2629)-Yu,Y (2759) Hangzhou 2018}) 13. Nge2 f5 (13... Nb4 $11 {bleibt in der Remisbreite.}) 14. Nf4 $16 Bf7 15. exf5 gxf5 16. Bd3 e5 17. Nfd5 e4 (17... Bg6 $16 18. O-O Nb6) 18. fxe4 $18 Nde5 19. Be2 fxe4 20. O-O Bg6 21. Rcd1 Re8 22. Nb5 Rf8 23. Nd6 ({Finger weg von} 23. Nxa7 $6 Rxf1+ 24. Rxf1 Nxa7 $16) 23... Rb8 24. Rxf8+ Bxf8 {[#]} 25. Nxe4 $1 {[%mdl 512]} Bxe4 26. Nf6+ Kg7 27. Nxe4 Re8 28. Ng3 a5 29. Rd5 a4 30. Rb5 a3 31. Rxb7+ Re7 (31... Kg8 $142 32. Nh5 Re7) 32. Nf5+ Kf6 33. Nxe7 Bxe7 34. c5 {[%mdl 32768] Precision: Weiß = 76%, Schwarz = 20%. . An unexpected result.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Perdomo, Leandro"]
[Black "Torella, Rodolfo"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2476"]
[BlackElo "2036"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,57,59,53,66,45,99,21,32,36,24,18,54,56,54,67,50,11,83,70,225,217,228,200,203,213,228,228,209,208,271,260,275,275,254,266,247,245,230,253,2448,1175,29991,873,29992,29993]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Na6 7. Nge2 c5 8. Qd2 {LiveBook: 10 Games} Re8 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6)} (8... Nb4 9. d5 Nd7 10. a3 Qa5 11. Rc1 Na6 12. Ng3 Re8 13. Be2 Nc7 14. O-O b5 15. cxb5 a6 16. a4 {½-½ (36) Real de Azua,E (2496)-Benedetti,J (2364) Villa Martelli 2018}) 9. d5 e6 (9... Nc7 $14) 10. Ng3 (10. dxe6 $1 $16 Bxe6 11. Nf4) 10... exd5 {The position is equal.} 11. cxd5 h5 12. Bd3 $146 ({Predecessor:} 12. h4 Rb8 13. Be2 Nc7 14. a4 a6 15. a5 b5 16. axb6 Rxb6 17. Bf4 {0-1 (17) Manush,S (2038)-Arat,U (2357) Pune 2014}) 12... Bd7 13. O-O Nc7 14. Bg5 $36 {[%mdl 2048] White fights for an advantage.} b5 15. Qf4 b4 (15... Re5 $11 {keeps the balance.}) 16. Nce2 $16 Qe7 $2 ({Black should try} 16... Rc8 $14) 17. Qh4 $1 $18 Rec8 18. Bc4 Nce8 {[#]} 19. f4 $1 a6 {[#]} 20. e5 $1 dxe5 {[#]} 21. Ne4 $1 {[%mdl 512] Strongly threatening d6!} Bb5 (21... Nxe4 22. Bxe7) 22. Bxb5 axb5 23. fxe5 Qxe5 24. Bxf6 Nxf6 25. Nxf6+ Bxf6 26. Qxf6 Qxe2 $2 (26... Qxd5 27. Rfd1 Qe6 28. Qxe6 fxe6) 27. Rae1 (27. Qxf7+ $142 Kh8 28. Rae1 Qxf1+ 29. Rxf1) 27... Qd3 28. Qxf7+ Kh8 29. Re7 {Precision: White = 59%, Black = 45%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Roselli Mailhe, Bernardo"]
[Black "Urquiza, Marcello de Albuque"]
[Result "1-0"]
[ECO "D28"]
[WhiteElo "2421"]
[BlackElo "2018"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,81,33,30,45,68,49,60,70,48,48,54,56,56,66,67,59,89,75,133,126,120,65,68,73,297,292,318,315,310,308,302,240,300,239,236,231,246,243,250,217,235,224,289,277,395,383,381,341,348,342,356,340,464,455,510,506,638,631,639,636]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bd3 Nc6 9. a4 b4 10. dxc5 Bxc5 11. Rd1 Qc7 12. Nbd2 {D28: Queen's Gambit Accepted: Classical main line: 7 Qe2 with early ...Nc6} O-O {LiveBook: 3 Games} 13. Nb3 Bd6 14. e4 {White is slightly better.} Bb7 15. Bg5 Ng4 {[%cal Rd6h2]} 16. h3 Nge5 {[#]} 17. Nxe5 $146 Nxe5 18. Rac1 Qb8 $1 19. Bb1 {[%cal Bd3b1,Bb1a2,Ba2e6][%mdl 32]} a5 20. Nc5 Bxc5 (20... Bc8 $142) 21. Rxc5 $16 {Black must now prevent Be7.} Ba6 22. Qc2 ({White should play} 22. Qe3 $16) 22... f6 $14 23. Be3 $36 {[%mdl 2048] aiming for Ba2. Black is under strong pressure.} Rc8 $2 {[#]} (23... b3 $16 24. Qc3 Rc8) 24. Ba2 $18 Rxc5 25. Bxe6+ (25. Bxc5 Qc7 $14) ({Inferior is} 25. Qxc5 b3 $11) 25... Kh8 26. Qxc5 ({Not} 26. Bxc5 Qc7 $16) 26... Qf8 27. Qxf8+ Rxf8 28. Rd6 Bc4 29. b3 Bxe6 30. Rxe6 {[%mdl 4096] Endgame KRB-KRN} Ra8 31. Rd6 Kg8 32. f4 Nf7 33. Rd5 g6 (33... Ra6 $142 34. Kf2 Kf8) 34. Bb6 Re8 35. Rd4 Ra8 36. Kf2 Ra6 37. Bc7 Kf8 38. Rd5 {White is clearly winning.} Re6 39. Ke3 f5 40. e5 Rc6 41. Bxa5 {Precision: White = 86%, Black = 44%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Brito, Luismar"]
[Black "Nascimento, Pedro Henrique Alve"]
[Result "1/2-1/2"]
[ECO "C16"]
[WhiteElo "2349"]
[BlackElo "2007"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,0,19,8,14,7,59,18,34,28,26,12,40,16,10,10,62,16,15,0,0,-15,-17,-29,-22,-77,-39,-41,-25,-27,-29,-154,-170,-157,-150,-157,0,0,0,0,0,-231,-235,-274,-217,-229,-198,-222,-249,-235,-122,-128,-137,-129,-130,-160,-156,-159,-78,-85,-96,-97,-97,-90]} 1. Nc3 e6 2. e4 d5 3. d4 Bb4 4. e5 Ne7 5. Bd2 O-O {LiveBook: 26 Games} 6. f4 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5} (6. a3 Bxc3 7. Bxc3 b6 8. Nf3 c5 9. Bd3 h6 10. O-O Ba6 11. b4 Bxd3 12. Qxd3 Nd7 13. dxc5 bxc5 {½-½ (96) Weichhold,P (2425)-Gdanski,J (2455) Zgierz 2018}) 6... Nf5 7. Nf3 Bxc3 $146 (7... Nc6 $11) ({Predecessor:} 7... f6 8. a3 Bxc3 9. Bxc3 fxe5 10. fxe5 Nh4 11. Qe2 Nxf3+ 12. gxf3 Qh4+ 13. Qf2 Qf4 {1-0 (51) Garrido Fernandez,D (2279)-Ryan,J (2302) Barcelona 2010}) 8. bxc3 {White is slightly better.} b6 9. Bd3 c5 10. O-O Ba6 11. Bxf5 exf5 (11... Bxf1 $2 12. Bxh7+ $1 {[%mdl 512]} Kxh7 13. Ng5+ Kg8 14. Qh5 $18) 12. Re1 Nc6 (12... Re8 $11) 13. Be3 cxd4 14. Bxd4 Bc8 15. Re3 Be6 16. Ng5 {Strongly threatening Nxh7!} h6 17. Qh5 (17. Nf3 $11) 17... Nxd4 (17... hxg5 $2 18. Rh3 $18) 18. cxd4 hxg5 19. Rh3 {[%csl Gh3][%cal Rh5h8]} f6 {And now ...g4 would win.} 20. fxg5 (20. Qg6 $11 {keeps the balance.} Re8 21. Rf1 gxf4 22. Rxf4) 20... fxg5 $17 21. Qh7+ Kf7 22. Rh6 {aiming for Qg6+.} Ke7 $2 (22... Rg8 $17 {...Qe7 is the strong threat.} 23. Rf1 f4) 23. Qxg7+ $11 Rf7 24. Qg6 Qc8 25. c4 $2 {[#]} (25. Rf1 $11 Qc6 26. Rf3 (26. Qxg5+ Kd7 $17)) 25... Qc6 $1 $19 26. Qxg5+ Kd7 27. Rd1 Re7 ({Resist} 27... Qxc4 28. Qe3 $17) 28. cxd5 Qxd5 29. Rg6 Rg8 (29... Rf8 $19 30. h3 f4) 30. Rxg8 $17 Bxg8 31. Qxf5+ Be6 32. Qg6 Rf7 33. h3 b5 ({But not} 33... Qxa2 $2 {[#]} 34. d5 $1 $18 {[%mdl 512]}) ({Black should play} 33... Kc7 34. Rd2 Rf4) 34. Kh2 {Black is better.} a5 35. Rd2 b4 36. Qd3 {Precision: White = 39%, Black = 37%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Rodi, Luis Ernesto"]
[Black "Rodrigues, Nei Jorge"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2327"]
[BlackElo "1978"]
[Annotator "RC"]
[PlyCount "101"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 {[%emt 0:00:44]} 4. e3 {[%emt 0:00:57]} d5 {[%emt 0:03:25]} 5. c4 {[%emt 0:00:30]} c6 {[%emt 0:00:40]} 6. cxd5 {[%emt 0:00:36]} Qxd5 {[%emt 0:02:57]} 7. Nc3 {[%emt 0:00:26]} Qa5 {[%emt 0:02:12]} 8. Bc4 {[%emt 0:04:07]} Bd6 {[%emt 0:06:33]} 9. h4 {[%emt 0:00:47]} h5 {[%emt 0:01:09]} 10. Qc2 {[%emt 0:00:46]} Na6 {[%emt 0:04:15]} 11. Nge2 {[%emt 0:02:37]} b5 {[%emt 0:03:35]} 12. Qe4+ {[%emt 0:00:43]} Kf8 {[%emt 0:00:49]} 13. Qxc6 {[%emt 0:00:59]} bxc4 {[%emt 0:00:18]} 14. Qxa8 {[%emt 0:01:11]} Kg7 {[%emt 0:00:05]} 15. Qd5 {[%emt 0:00:17]} Qb6 {[%emt 0:12:01]} 16. Qxc4 {[%emt 0:05:38]} Bd7 {[%emt 0:02:52]} 17. O-O {[%emt 0:00:54]} Rc8 {[%emt 0:01:30]} 18. Qb3 {[%emt 0:00:14]} Qd8 {[%emt 0:00:36]} 19. Ne4 {[%emt 0:03:58]} Be7 {[%emt 0:03:31]} 20. Nf4 {[%emt 0:03:58]} Rb8 {[%emt 0:03:37]} 21. Qc3 {[%emt 0:01:50]} Bb4 {[%emt 0:07:06]} 22. Qc2 {[%emt 0:01:24]} Bf5 {[%emt 0:03:05]} 23. Qa4 {[%emt 0:04:15]} Bxe4 {[%emt 0:08:51]} 24. Qxa6 {[%emt 0:00:07]} Bd6 {[%emt 0:00:26]} 25. b3 {[%emt 0:01:49]} Qd7 {[%emt 0:09:28]} 26. Qe2 {[%emt 0:04:41]} Re8 {[%emt 0:01:16]} 27. f3 {[%emt 0:04:20]} Bc6 {[%emt 0:02:11]} 28. Qf2 {[%emt 0:00:08]} Qe7 {[%emt 0:06:02]} 29. Rac1 {[%emt 0:02:04]} Bb5 {[%emt 0:00:42]} 30. Rfe1 {[%emt 0:00:10]} Ba3 {[%emt 0:03:44]} 31. Nd5 {[%emt 0:04:09]} Qb7 {[%emt 0:01:17]} 32. e4 {[%emt 0:00:33]} Rd8 {[%emt 0:02:38]} 33. Rc7 {[%emt 0:03:30]} Qb8 {[%emt 0:00:15]} 34. Qc2 {[%emt 0:00:12]} Bd6 {[%emt 0:00:21]} 35. Rc1 {[%emt 0:01:06]} Bd7 {[%emt 0:02:48]} 36. Qc3 {[%emt 0:11:50]} Be6 {[%emt 0:00:30]} 37. Ne3 {[%emt 0:01:37]} Bf4 {[%emt 0:01:35]} 38. Kf2 {[%emt 0:01:18]} Rd7 {[%emt 0:00:14]} 39. Rc8 {[%emt 0:03:43]} Bg3+ {[%emt 0:00:58]} 40. Ke2 {[%emt 0:00:50]} Qf4 {[%emt 0:01:11]} 41. d5 {[%emt 0:01:57]} Bg4 {[%emt 0:00:01]} 42. Qc5 {[%emt 0:03:30]} Rd6 {[%emt 0:00:58]} 43. fxg4 {[%emt 0:00:34]} Qxe4 {[%emt 0:01:47]} 44. Qc4 {[%emt 0:06:03]} Qe5 {[%emt 0:00:45]} 45. Qc3 {[%emt 0:01:09]} Qe4 {[%emt 0:00:22]} 46. Qd3 {[%emt 0:00:14]} Qe5 {[%emt 0:00:25]} 47. R8c4 {[%emt 0:01:10]} hxg4 {[%emt 0:00:48]} 48. Qe4 {[%emt 0:01:36]} Qb2+ {[%emt 0:01:03]} 49. R4c2 {[%emt 0:00:42]} Qa3 {[%emt 0:00:08]} 50. Qxg4 {[%emt 0:00:11]} Be5 {[%emt 0:00:28]} 51. Nf5+ {[%emt 0:00:08]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Larrea, Manuel"]
[Black "Chang, Suzana"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2271"]
[BlackElo "1968"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,85,7,19,21,22,16,25,6,22,18,20,11,25,27,29,0,4,2,2,5,10,0,0,-21,-20,-25,0,-18,-13,-64,0,-118,-123,-154,-86,-86,-87,-87,-114,-104,-109,-95,-87,-77,-76,-64,-50,-42,-30,-36,-31,-44,-44,-58,-52,-53,-45,-118,-118,-116,-111,-111,-113,-127,-129,-119,0,-124,0,-132,0,-113]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} d6 7. O-O Ba7 8. h3 (8. Re1 O-O 9. h3 h6 10. Nbd2 Re8 11. Nf1 Be6 12. Bxe6 Rxe6 13. Be3 Bxe3 14. Nxe3 d5 {½-½ (32) Anand,V (2768)-Grischuk,A (2766) Saint Louis 2018}) 8... h6 {LiveBook: 24 Games} 9. Be3 O-O 10. Bxa7 $146 ({Predecessor:} 10. Nbd2 Ne7 11. a5 Ng6 12. Bb3 Nh7 13. d4 Qf6 14. Ra4 Nf4 {0-1 (59) Nevednichy,V (2551)-Savanovic,A (2448) Lisbon 2018}) 10... Rxa7 11. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Ra8 12. Re1 Re8 13. Nbd2 Be6 14. Bxe6 Rxe6 15. b5 Na5 16. d4 Re8 17. Qb1 b6 18. Qb4 Qc8 19. Rac1 axb5 20. axb5 Qe6 21. Ra1 Nh5 22. d5 (22. Kh2 $11) 22... Qd7 ({Black should try} 22... Qg6 $15 23. Nh4 Qf6) 23. Nb3 {[#]} (23. Ra3 $11) 23... Nf4 $1 $17 24. Rad1 Nxb3 (24... f5 $142 25. Nxa5 bxa5) 25. Qxb3 Ra5 26. c4 Rea8 {Threatens to win with ...Ra3.} 27. Re3 Ra2 28. Rd2 Ra1+ 29. Kh2 f5 30. Qc2 Rf8 31. exf5 Rxf5 32. Rd1 Ra5 33. Nd2 Rf8 34. Ne4 Qf5 35. Qb1 Rfa8 36. Ng3 (36. Rde1 $15) 36... Qxb1 37. Rxb1 Ra2 38. Ne4 Rc2 39. Rc3 Re2 40. Re3 Rc2 41. Rc3 $1 {[%cal Rc3c2]} Re2 42. Re3 Rc2 43. Rc3 $1 {Precision: White = 56%, Black = 59%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Barreto, Ignacio C. de Barro"]
[Black "Ramos, Angelo Bil"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2222"]
[BlackElo "1952"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,79,-22,-27,8,3,13,8,2,-2,27,5,23,26,33,0,9,-27,-18,-18,0,-8,17,-73,-83,-104,-24,-126,-58,-133,-119,-124,-122,-144,-134,-154,-134,-134,-133,-141,-108,-151,-137,-134,-127,-106,-16,-6,-9,-15,-9,-52,-63,-65,0,0,90,100,100,118,102,110,817,823,769,788]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. O-O Bg7 5. d3 O-O 6. c3 Nbd7 7. Nbd2 e5 8. Qc2 Re8 9. e4 dxe4 {A07: Réti Opening: New York and Capablanca Systems} 10. Nxe4 Nxe4 11. dxe4 Qe7 {The position is equal.} 12. a4 $146 Nf8 13. b3 f6 {[%cal Bf7f6,Bf6f5][%mdl 32]} 14. a5 a6 15. Nd2 Be6 16. f4 exf4 17. gxf4 f5 {Black wants to play ...Qc5+.} 18. e5 Qc5+ 19. Kh1 (19. Rf2 $11) 19... Bd5 $17 20. Nf3 Be4 $36 {[%mdl 2048] Black has some pressure.} ({Black should play} 20... Ne6 $17 21. Ne1 Rad8) 21. Qa2 (21. b4 $11 {remains equal.}) 21... Ne6 (21... Qxc3 $17 {And now ...Ne6 would win.} 22. b4+ Kh8) 22. Bd2 (22. Nd4 $15 Qxc3 23. Bxe4 fxe4 24. Nxe6 Rxe6 25. Bb2) 22... Rad8 23. b4 Qc6 24. Rae1 Kh8 25. Nh4 Bxg2+ 26. Nxg2 Rd3 27. Kg1 Red8 28. Re2 Bh6 29. Ref2 Qd7 30. Ne1 Qd5 ({Resist} 30... Rxd2 31. Rxd2 Qxd2 32. Qxe6 $15) (30... Rd5 $17 31. Be3 {[#]} Rxe5 $1 {[%mdl 512]}) 31. c4 $11 Rxd2 32. cxd5 Rxa2 33. Rxa2 Rxd5 34. Ng2 Rd4 (34... c6 $15) 35. Rb2 Re4 (35... Nxf4 36. b5) (35... c6 $11 {keeps the balance.}) 36. b5 $16 Ra4 37. bxa6 bxa6 38. Rd1 Rxa5 $2 {[%mdl 8192] [#]} (38... Bf8 $16) 39. Rb8+ $18 Bf8 40. Re8 {Precision: White = 46%, Black = 46%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Rocha, Vitor Firmo de Souz"]
[Black "Chaves, Jorge Antonio Torre"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2174"]
[BlackElo "1922"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,10,-18,-14]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 {[%mdl 32768] LiveBook: 1079 Games. Loss on Time!?} {Predecessor:} 6. Bb5 $146 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. O-O Bc5 10. f3 Ng5 11. Be3 Bb6 12. f4 Ne6 13. c3 g6 14. Nd2 Qe7 15. Qf3 Rb8 16. b3 c5 17. Ne2 d4 18. Bf2 O-O 19. Ne4 Bc6 {1-0 (46) Perez Candelario,M (2590)-Eljanov,P (2703) Batumi 2018} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Lebredo Zaragoitia, Gerardo"]
[Black "Zaruski, Julio"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2139"]
[BlackElo "1835"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,125,25,33,29,27,33,45,43,161,159,290,292,261,155,266,141,246,136,152,154,205,166,199,153,184,179,174,192,181,159,149,150,161,164,171,150,215,209,229,232,277,242,247,232,222,219,228,232,332,217,431,426,475,437,434,445,532,532,754,594,941,747,747,739,745,693,792,728,742,732,983,926,1135,868,803,725,880,843,1030,1002,1042,993,1020,840,977,948,1302,1252,1196,1085,2257,2247,29984,29985,29982,3349,29976,29977,29980,29981,29986,29982,29990,29990,29990,29991]} 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 h6 6. Bh4 Nbd7 7. Nf3 c6 8. Rc1 Nh5 9. Bxe7 Qxe7 10. Bd3 Nhf6 11. O-O O-O {LiveBook: 4 Games} 12. a3 {D66: Queen's Gambit Declined: Classical: Main Line (7 Rc1 c6 8 Bd3)} dxc4 13. Bxc4 e5 14. Ba2 $146 {White is slightly better.} ({Predecessor:} 14. Re1 exd4 15. exd4 Qd6 16. Ba2 Nb6 17. Ne5 {1-0 (63) Levitt,J (2465)-Bykhovsky,A (2500) Maratea 1991}) 14... e4 (14... exd4 $14 15. exd4 (15. Nxd4 Nb6 $11) (15. Qxd4 Re8 $14) 15... Nb6) 15. Nh4 $1 $18 Rd8 (15... Kh7 $16) 16. Nf5 Qf8 17. Ng3 (17. f3 $1 $18) 17... Qe7 (17... Nb6 $16 {was called for.} 18. Ngxe4 (18. Ncxe4 Qe7 $16) 18... Nxe4) 18. Qc2 ({Only move:} 18. f3 $1 $18) 18... Re8 (18... Nf8 $16 19. Ngxe4 (19. Ncxe4 Nxe4 20. Qxe4 Qxe4 $16) 19... Nxe4) 19. Bb1 (19. f3 $18) 19... Nf8 20. Ncxe4 Nd5 (20... Nxe4 $16 {keeps fighting.} 21. Qxe4 (21. Nxe4 Bf5 $16) 21... Be6) 21. Nc3 Bg4 22. Ba2 Rad8 23. Nxd5 cxd5 24. Qc5 Qg5 25. Qxa7 h5 26. f4 Qe7 27. Rfe1 h4 28. Nh1 $1 Rd6 (28... Rc8 $16 29. Rxc8 Rxc8) 29. Nf2 Bf5 {[#]} 30. Qa5 $1 Be4 31. Nxe4 Qxe4 32. Bb1 Qe7 33. Qd2 h3 34. g3 Nd7 (34... g6 $142 35. Bd3 Kg7) 35. e4 Re6 $2 (35... dxe4 {might work better.} 36. Rxe4 Re6) 36. e5 Nf8 37. Ba2 Rd8 38. Rc5 Rg6 39. Rxd5 Qh4 40. Qf2 Rc8 41. Bb1 Qh5 42. Bxg6 Qxg6 43. Rc5 Rd8 44. d5 Qd3 45. Qe3 Qf5 46. Qe4 Qg4 47. Qe2 Qf5 48. Rd1 Ng6 49. Rc4 Ne7 50. d6 Nc6 51. Re4 Qe6 52. Rf1 Qb3 53. f5 {[%cal Bf4f5,Bf5e6][%mdl 32]} Qd5 54. Rd1 Qc5+ 55. Qf2 Qa5 56. e6 fxe6 57. fxe6 Rf8 {[#]} 58. Rf4 (58. e7 $142 $3 Rxf2 59. e8=Q+ Rf8 60. Qe6+ Rf7 61. Rf1 Qc5+ 62. Kh1 Ne5 63. Rxe5 Qxe5 64. Qxf7+ Kh8 65. d7) 58... Rxf4 59. Qxf4 {White mates.} Qc5+ 60. Qf2 Qh5 61. Rf1 Ne5 62. Qf8+ Kh7 63. Qf5+ {Precision: White = 55%, Black = 21%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Souza Neves, Andrey M."]
[Black "Di Berardino, Diego Rafael"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2074"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,107,-4,-1,-14,-6,-4,-18,-33,-39,-49,-49,-79,-77,-88,-28,-31,-45,-40,-33,-28,-41,-50,-14,-8,-12,-10,-18,-15,-18,-104,-111,-165,-120,-129,-113,-93,-58,-25,-30,-29,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,13,0,0,-8,-8,-8,-8,-8,-8,-975,-9637,-8050,-6291,-5117,-5113,-5099,-5080,-12845]} 1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 e6 5. Nc3 Bg7 6. Bg2 exd5 7. cxd5 d6 8. Nf3 O-O 9. O-O Na6 10. Nd2 Nc7 11. a4 b6 12. Nc4 Ba6 13. Qb3 Bxc4 14. Qxc4 a6 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} 15. Qh4 (15. Bf4 Rb8 16. b4 Nh5 17. Bd2 b5 18. axb5 cxb4 19. b6 Rxb6 20. Na4 Rb8 21. Rac1 Qd7 22. Bxb4 Qxa4 23. Bxd6 Qxc4 24. Rxc4 {½-½ (37) Jianu,V (2502)-Suba,M (2471) Brasov 2011}) 15... Nd7 16. Bg5 f6 17. Bh6 f5 {LiveBook: 3 Games} 18. Qxd8 Raxd8 19. Bxg7 Kxg7 20. f4 $146 ({Predecessor:} 20. Rfc1 Nf6 21. Rc2 Rfe8 22. Rd2 {0-1 (56) Hoang,T (2311)-Pham,L (2349) Da Lat 2011}) 20... Nf6 21. Rfe1 Rfe8 22. e4 fxe4 23. Bxe4 Kf7 (23... Nxe4 $17 24. Rxe4 Rxe4 25. Nxe4 Nxd5) 24. Bf3 Rxe1+ 25. Rxe1 b5 26. axb5 axb5 {[%cal Ba6b5,Bb5b4][%mdl 32]} 27. Ra1 b4 28. Ra7 Rd7 29. Na4 {With the idea Nb6.} Nb5 30. Rxd7+ $1 Nxd7 $11 {[%mdl 4096] Endgame KBN-KNN} 31. Bg4 (31. Kf2 $11) 31... Nf6 $17 32. Be6+ (32. Be2 $17 {was worth a try.} Nd4 33. Bd3) 32... Kf8 33. Nb6 {[#]} Nc7 $1 34. f5 gxf5 35. Bxf5 h6 36. Nc8 Nfxd5 37. Nxd6 Ne3 {White must now prevent ...Ke7.} 38. Bd3 Ncd5 39. b3 Nb6 40. Kf2 Ng4+ 41. Kf3 Nxh2+ 42. Kf4 {aiming for g4.} Nd5+ 43. Ke5 Nc3 44. Kf4 {g4 is the strong threat.} Nd5+ 45. Ke5 Ne3 46. Be2 Nhf1 47. Ke4 Ke7 48. Nb7 c4 49. bxc4 b3 50. c5 $2 {[%mdl 8192] [#]} (50. Bxf1 $11 Nxf1 51. Kd3) 50... Nxg3+ $19 {Black is clearly winning.} 51. Kxe3 Nxe2 52. Kd2 Nd4 53. Kc3 h5 54. Kxd4 {Precision: White = 47%, Black = 74%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Ferreira, Kleber Victor"]
[Black "Galego, Luis"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2053"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,52,-23,-42,31,-10,32,4,14,-150,-157,-156,-159,-189,-176,-231,-227,-231,-78,-83,-81,-166,-129,-121,-125,-138,-116,-182,-175,-325,-333,-433,-433,-433,-433,-432,-421,-553,-539,-535,-514]} 1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 Nge7 5. Be2 d5 6. d3 {B23: Sizilianisch (Geschlossenes System)} g6 7. O-O Bg7 8. Qe1 {LiveBook: 4 Partien. Schwarz hat minimalen Vorteil.} f5 (8... O-O $15) (8... Nd4 9. Bd1 O-O 10. Kh1 b6 11. Qg3 dxe4 12. dxe4 Bb7 13. Qh3 Qd7 {0-1 (40) Rendle,T (2376)-Pert,N (2557) England 2015}) 9. Bd2 $146 ({Vorgänger:} 9. e5 a6 10. Na4 b6 11. c3 Bd7 12. b3 d4 13. cxd4 Nxd4 14. Nxd4 cxd4 {½-½ (42) Villarreal,J (2340)-Alvarez,R (2194) Aguascalientes 2008}) 9... a6 10. a4 O-O 11. Qf2 $2 {[#]} ({Lieber} 11. e5 $11) 11... Bd4 $1 $17 {[%cal Rd4f2]} 12. Nxd4 cxd4 13. Nd1 dxe4 14. Be1 (14. dxe4 $142 fxe4 15. Bc4) 14... Nd5 $19 15. c3 Nf6 $2 (15... e3 $19 16. Qh4 Bd7 17. Qxd8 Raxd8) 16. cxd4 $17 Nxd4 {Und weiter mit ...exd3 wäre nett.} 17. Ra3 (17. Bc3 $17 {kämpft weiter.} Nxe2+ 18. Qxe2) 17... Nc2 18. Rc3 Nxe1 19. Rxe1 Bd7 $36 {[%mdl 2048] Schwarz hat starke Initiative.} 20. b3 {[#]} (20. Rc4 $17) 20... Bc6 $1 $19 21. Rxc6 (21. g3 {war einen Versuch wert.}) 21... bxc6 22. d4 Qb6 {Schwarz steht klar auf Gewinn.} 23. Bc4 Rfe8 24. Nc3 Rad8 25. Rd1 Ng4 26. Qd2 e3 {Precision: Weiß = 28%, Schwarz = 54%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Okamura, Milton Kasuo"]
[Black "Matsuura, Everaldo"]
[Result "1-0"]
[ECO "E41"]
[WhiteElo "2038"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,46,0,-5,0,0,0,0,0,-56,-50,-81,-82,-75,-79,-147,-104,-198,-191,-202,-198,-318,-352]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. Nf3 d5 7. O-O cxd4 8. exd4 dxc4 9. Bxc4 b6 10. Bg5 Bb7 11. Qe2 Nbd7 12. Rac1 Rc8 13. Bb3 {E54: Nimzo-Indian: Rubinstein: Main Line: 7...dxc4 8 Bxc4} (13. Bd3 Bxc3 14. bxc3 Qc7 15. c4 Bxf3 16. Qxf3 Rfe8 17. Rfd1 h6 18. Bh4 Qd6 19. c5 bxc5 20. dxc5 Rxc5 {½-½ (49) Gelfand,B (2727)-Anand,V (2791) Moscow 2012 CBM 149 [Postny,E]}) 13... h6 14. Bh4 {LiveBook: 3 Games} Qc7 $146 ({Predecessor:} 14... Bxc3 15. bxc3 Qc7 16. Nd2 Nd5 17. Bxd5 Bxd5 18. c4 Bb7 19. f3 Ba6 20. Rfe1 {½-½ (36) Salinas Herrera,P (2486)-Tran,T (2491) Batumi 2018}) 15. Bg3 {The position is equal.} Bd6 16. Nb5 Qxc1 17. Nxd6 (17. Bxd6 $11 Bxf3 18. Qxf3) 17... Bxf3 $15 18. Qxf3 Qxb2 {[#] Strongly threatening ...Rc1.} 19. Nxc8 Rxc8 20. Rd1 ({White should try} 20. h3) 20... Rc1 $40 {[%mdl 128] Black has strong attack.} 21. Bf4 (21. h3 $17) 21... Rxd1+ $19 22. Qxd1 {[#]} Ne4 $1 23. Be3 (23. f3 $142 Qf2+ 24. Kh1) 23... Nc3 $1 {[%csl LRa2,LRd1][%mdl 32768] Loss on Time!?} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Fucs, Paulo Moses"]
[Black "Von Buelow, Georg"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2016"]
[BlackElo "2354"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,122,0,-2,10,18,20,21,22,8,33,25,49,20,36,24,35,0,0,0,1,-4,0,8,11,-8,0,-27,-6,-22,-25,-23,-27,-31,-38,-43,-38,-41,-43,-54,-45,-48,-47,-47,-39,-39,-40,-39,-39,-45,-41,-57,-53,-75,-51,-57,-61,-81,-56,-61,-56,-65,-33,-36,-11,-23,6,0,0,6,37,0,0,-7,-9,-11,0,0,0,-32,-16,-185,-134,-575,-575,-516,-509,-606,-592,-587,-561,-936,-904,-2334,-2138,-5210,-5210,-3174,-2282,-2900,-2202,-1900,-1668,-29989,-29983,-29990,-29991]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Be2 Be7 8. a5 O-O 9. Be3 Nc6 10. Nb3 {LiveBook: 7 Games} d5 {B84: Sicilian Scheveningen: 6 Be2 a6, lines without early Be3} 11. Bb6 $146 ({Predecessor:} 11. exd5 Nxd5 12. Nxd5 Qxd5 13. Qxd5 exd5 14. O-O Bf5 15. c3 Rfd8 16. Bb6 Rd7 17. Rfe1 Bc2 18. Bg4 {1-0 (50) Bocharov,D (2611)-Tarasov,V (2020) Tomsk 2012}) 11... Qd7 12. exd5 exd5 {The position is equal.} 13. O-O Qf5 14. Nd4 Nxd4 15. Qxd4 Be6 16. Bd3 Qh5 17. Bc7 Rac8 18. Bg3 Bc5 19. Qh4 (19. Qf4 {keeps more tension.} Rfe8 20. h3 h6 21. Rfe1 Qg5 22. Qf3) 19... Qxh4 20. Bxh4 Nd7 {[%cal Bf6d7,Bd7e5,Be5g6][%mdl 32]} 21. Rfd1 Ne5 22. Be2 Ng6 23. Bg5 d4 24. Na4 Ba7 25. Bd3 f6 {[%cal Bf7f6,Bf6f5][%mdl 32]} 26. Bd2 Ne5 27. Be4 Rf7 28. Nb6 Bxb6 $1 29. axb6 f5 30. Bd3 Nxd3 31. cxd3 Rc6 32. Ba5 Rf8 33. h4 Rfc8 34. Rd2 Kf7 35. Kh2 Rc5 36. Kg3 Rb5 37. b4 Rc6 38. Kf4 Kf6 39. Re1 h6 40. h5 $1 Rd5 41. Rde2 Rdd6 42. f3 Rd7 43. Re5 Rdd6 44. R1e2 Rc1 45. Re1 (45. b5 {is more complex.} axb5 46. Bb4 Rdc6 47. Rxb5 Rd1 48. Rc5) 45... Rxe1 46. Rxe1 $11 {[%mdl 4096] Endgame KRB-KRB} Rc6 47. Re5 Rc2 48. Rc5 Rxg2 {[#] Hoping for ...Rg5.} 49. Rc7 $2 (49. b5 $11 {and White has nothing to worry.} axb5 50. Bb4) 49... Bd5 (49... Bf7 $19 50. Rc5 Rg5) 50. b5 $2 {[%mdl 8192]} (50. Rd7 $17 {is more resistant.} Ke6 51. Rd8) 50... Rf2 $19 {[%csl Gd5][%cal Rf2f3]} 51. Kg3 Rxf3+ 52. Kh2 {Now bxa6 and White clings on.} axb5 53. Bb4 Rxd3 54. Be7+ Ke5 55. Bf8 Rd2+ 56. Kh3 f4 57. Bxg7+ Ke4 58. Re7+ Kf3 {[#] ( -> ...Rd1)} 59. Bxh6 d3 {[%cal Bd4d3,Bd3d2][%mdl 32]} 60. Kh4 Rh2+ 61. Kg5 d2 {Precision: White = 33%, Black = 63%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Peixoto, Rudson Marinho"]
[Black "Menna Barreto, Felipe Kubiaki"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2007"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,66,20,20,14,17,14,18,-10,0,-18,40,-60,-40,-164,-147,-143,-141,-172,-173,-163,-171,-164,-169,-251,-247,-240,-250,-372,-372,-377,-347,-426,-426,-1168,-1145,-1891,-1831,-1994,-1863,-29972,-29971,-5312,-5265,-29990,-29991,-29991,-29992,-29992,-29993,-29993,-29994]} 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 O-O 5. Bg5 c5 6. d5 d6 7. e4 h6 8. Bh4 {E90: King's Indian: Classical: Early deviations and 6 h3} (8. Be3 e6 9. h3 exd5 10. cxd5 Re8 11. Bd3 c4 12. Bc2 b5 13. a3 Bd7 14. O-O Na6 15. Qd2 Kh7 16. Rfe1 Qb8 17. Bd4 b4 18. axb4 Nxb4 19. Bb1 {1-0 (34) Stocek,J (2560)-Kislinsky,A (2481) Ostrava 2017}) 8... g5 9. Bg3 Nh5 {LiveBook: 4 Games} 10. Be2 {The position is equal.} Nxg3 11. hxg3 e6 12. Qd2 exd5 13. cxd5 Nd7 ({Black should play} 13... Na6 $11) 14. O-O-O $146 (14. Nh2 $14) ({Predecessor:} 14. Qe3 Re8 15. Nd2 f5 16. Bh5 Bd4 17. Qf3 Rf8 18. O-O-O fxe4 19. Qxe4 {0-1 (34) Casabona,C-Giuganino,S Italy 1969}) 14... a6 $15 15. Rh2 ({White should try} 15. Nh2 $15 Nf6 16. f3) 15... Re8 $19 16. Rdh1 {[#]} Qf6 $1 17. Bd3 b5 18. e5 Nxe5 19. Nxe5 Qxe5 ({Don't do} 19... dxe5 20. Qc2 $15) 20. Nd1 (20. Rxh6 $142 Bxh6 21. Rxh6) 20... c4 21. Bc2 Qf6 22. f4 (22. Bb1 $142) 22... Bg4 23. fxg5 hxg5 24. Bh7+ Kf8 25. Nc3 (25. Qf2 $142 Bxd1 26. Qxf6 Bxf6 27. Rf1) 25... b4 26. Ne4 {[#]} Rxe4 $1 {[%mdl 512]} 27. Bxe4 c3 28. Qc2 cxb2+ 29. Kb1 Rc8 30. Qd2 {[#]} Rc1+ $1 {[%mdl 512] Black mates.} 31. Rxc1 bxc1=Q+ 32. Kxc1 Qf1+ 33. Kc2 Qc4+ {Precision: White = 14%, Black = 89%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Baeta, Marcio Netto"]
[Black "Guimaraes, Diogo Duarte"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "1977"]
[BlackElo "2272"]
[Annotator "RC"]
[PlyCount "38"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:03:54]} 2. Bc4 {[%emt 0:00:48]} Nf6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:07]} exd4 {[%emt 0:00:18]} 4. Nf3 {[%emt 0:00:55]} Nxe4 {[%emt 0:00:35]} 5. Qxd4 {[%emt 0:00:56]} Nf6 {[%emt 0:00:15]} 6. Bg5 {[%emt 0:04:52]} Nc6 {[%emt 0:00:28]} 7. Qh4 {[%emt 0:01:56]} d5 {[%emt 0:02:23]} 8. Bxf6 {[%emt 0:01:17]} gxf6 {[%emt 0:00:09]} 9. Bb3 {[%emt 0:01:42]} Qe7+ {[%emt 0:01:44]} 10. Kd1 {[%emt 0:00:22]} Be6 {[%emt 0:01:15]} 11. Nc3 {[%emt 0:03:39]} O-O-O {[%emt 0:00:20]} 12. Kc1 {[%emt 0:05:47]} d4 {[%emt 0:05:38]} 13. Ne4 {[%emt 0:04:27]} f5 {[%emt 0:02:28]} 14. Neg5 {[%emt 0:03:20]} Bxb3 {[%emt 0:03:30]} 15. axb3 {[%emt 0:01:25]} Qc5 {[%emt 0:09:20]} 16. Nxf7 {[%emt 0:01:09]} Rd7 {[%emt 0:00:15]} 17. Nxh8 {[%emt 0:01:28]} Nb4 {[%emt 0:00:03]} 18. Ne1 {[%emt 0:03:17]} d3 {[%emt 0:01:34]} 19. c3 {[%emt 0:01:17]} d2+ {[%emt 0:00:11]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Dos Santos, Rodrigo Mello"]
[Black "Teixeira, Ricardo da Silva"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1965"]
[BlackElo "2239"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,92,26,14,33,0,0,3,32,-28,0,0,0,0,0,0,0,0,0,-7,-7,-45,-46,-68,-54,-142,-15,-15,-16,-16,0,-78,-68,-412,-389,-360,-287,-287,-273,-314,-300,-409,-293,-591,-456,-445,-445,-429,-397,-388,-380,-575,-441,-725,-445,-643,-501,-460,-452,-422,-273,-262,-273,-272,-273,-356,-347,-345,-345,-385,-388,-445,-433,-418,-376,-452,-444,-658,-647,-629,-602,-874,-860]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 Qxd5 5. a3 Bxc3+ 6. bxc3 {C15: French: 3 Nc3 Bb4: Unusual White 4th moves} Nf6 7. Nf3 {LiveBook: 6 Games} c5 {[%cal Bc7c5,Bc5c4][%mdl 32]} (7... O-O 8. c4 Qe4+ 9. Be3 Ng4 10. Qd2 Nxe3 11. fxe3 Nc6 12. Bd3 Qg4 13. O-O Qh5 {1-0 (52) Zambrana,O (2481)-Campero,R (2274) Santa Cruz 2010}) 8. Bd3 {White is slightly better.} c4 9. Be2 Ne4 10. Bd2 ({White should try} 10. Bb2 $14) 10... Nc6 (10... Nd7 {seems wilder.} 11. h4 h6 12. Qb1 a5 13. a4 b6) 11. O-O $146 ({Predecessor:} 11. a4 O-O 12. O-O Bd7 13. Qc1 {1-0 (56) Garcia Bregante,J (1830)-Saez Ortega,J (1975) Barcelona 2002}) 11... O-O 12. Re1 {[%cal Bf1e1,Be1e4,Be4g4][%mdl 32]} b6 13. Bxc4 Qxc4 14. Rxe4 Bb7 15. Rg4 f6 {[%cal Bf7f6,Bf6f5,Bf5f4][%mdl 32]} 16. Bh6 Rf7 17. Rg3 Ne7 {...Nf5 is the strong threat.} 18. Nh4 {[#]} (18. Bd2 $1 $15) 18... Nd5 (18... Kh8 $1 $17 19. Bc1 g5) 19. Qg4 $11 Nxc3 20. Re1 {[%cal Rh6g7]} f5 $36 {[%mdl 2048] White is under pressure.} 21. Qh5 (21. Qxg7+ $1 $11 Rxg7 22. Rxg7+ Kh8 23. Rxb7) 21... Ne4 $17 ({Much worse is} 21... Qxd4 22. Rxe6 Qd7 23. Re5 $11) 22. Rxe4 $4 {[%mdl 8192]} (22. Qxf7+ $1 $15 Kxf7 23. Rxg7+ Ke8 24. Rxb7) 22... Bxe4 $19 ({Weaker is} 22... fxe4 23. Qe5 $11) 23. c3 Qc7 {Threatens to win with ...f4.} 24. Bd2 Rd8 25. Rh3 f4 26. Nf3 g6 27. Qh6 $2 (27. Qb5 {was called for.}) 27... Bxf3 28. Rxf3 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 29. h4 Rf5 30. g4 Rf7 {aiming for ...Qc6.} 31. h5 (31. Qg5 $142) 31... gxh5 32. g5 (32. Rh3 $142 hxg4 33. Rh5) 32... e4 33. Rh3 (33. g6 $142 exf3 34. gxf7+ Qxf7 35. Qxf4) 33... Rd6 34. Qxh5 Rg6 35. Qg4 e3 36. fxe3 fxe3 37. Rxe3 Qd7 38. Qxd7 {[#] White threatens Re8+ and mate.} Rxg5+ ({Less strong is} 38... Rxd7 39. Re5 $17) 39. Kh2 {Qd8+ would kill now.} Rxd7 {[%mdl 4096] Endgame KRR-KRB} 40. Re8+ Kf7 41. Rh8 Rh5+ 42. Kg3 Ke6 43. Rc8 Kf5 {White must now prevent ...Rg7+.Black is clearly winning.} 44. Re8 (44. Kf3 $142 Rh3+ 45. Kg2) 44... Rg7+ 45. Kf3 Rh3+ 46. Kf2 Rh2+ {Precision: White = 26%, Black = 64%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "1"]
[White "Moccero, Eduardo"]
[Black "Viana, Dirceu"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1945"]
[BlackElo "2201"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,35,-2,-8,0,-20,-11,-23,-24,-25,-31,-39,81,86,77,82,84,62]} 1. d4 e6 2. e4 d5 3. exd5 exd5 4. c4 Nf6 5. Nf3 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 O-O 8. Be2 Nc6 {A51: Budapest Gambit, Fajarowicz Variation} 9. O-O dxc4 (9... Bg4 10. Rc1 Re8 11. Re1 dxc4 12. h3 Bh5 13. Nxc4 Nd5 14. Nfe5 Bxe2 15. Rxe2 Nf4 16. Re4 {½-½ (46) Miezis,N (2509)-Neiksans,A (2631) Parnu 2016}) 10. Nxc4 Be6 11. Nce5 {LiveBook: 3 Games} Qd6 12. Qa4 $146 ({Predecessor:} 12. Nxc6 Qxc6 13. Rc1 Qb6 14. b3 Rad8 15. Qc2 c6 16. Rfd1 {1-0 (43) Pena Gomez,M (2462)-Adla,D (2437) Linares 2015}) 12... Qb4 13. Bb5 Qxa4 14. Bxa4 Ne7 15. Rfe1 Rad8 {[#]} (15... Nf5 $15 {stays ahead.}) 16. Nxf7 $1 $16 {[%mdl 512] White is better.} Bxf7 17. Rxe7 Nd5 18. Ree1 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Di Berardino, Diego Rafael"]
[Black "Rodi, Luis Ernesto"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2526"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,0,34,34,35,42,27,26,33,35,27,29,24,40,32,8,14,0,10,-12,0,0,20,23,122,129,197,199,181,194,194,192,185,184,177,166,170,190,253,261,587,588,564,396,396,389,389,391,385,388,458,451,508,508,513,505,1130,1105,3394,2987]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. e3 Nf6 5. a3 (5. Nf3 O-O 6. Bd2 b6 7. cxd5 exd5 8. Rc1 Be7 9. Bd3 Bb7 10. O-O c5 11. dxc5 bxc5 12. Re1 Nc6 13. Bb1 Re8 14. e4 dxe4 15. Nxe4 Nd4 {½-½ (54) Vitiugov,N (2730)-Inarkiev,E (2690) Satka 2018}) 5... Bd6 {LiveBook: 4 Games} 6. c5 {E40: Nimzo-Indian: Rubinstein (4 e3): Unusual Black 4th moves} Be7 7. b4 O-O 8. Nf3 {White has an edge.} b6 9. Bd3 c6 10. O-O Ba6 11. Bxa6 Nxa6 12. Bb2 $146 ({Predecessor:} 12. Ne5 Nb8 13. Qd3 Qc7 14. f4 {0-1 (48) Suvrajit,S (2368)-Safin,S (2518) New Delhi 2009}) 12... Nb8 13. Rc1 a5 14. b5 bxc5 15. dxc5 {[%cal Bd4c5,Bc5c6,Bc6c7][%mdl 32]} cxb5 16. Nxb5 Ne4 (16... Qd7 $11 17. Qe2 Rc8) 17. c6 $36 {[%mdl 2048] And now c7 would win. Keeping Black busy.} ({Not} 17. Qd4 Bf6 $17) 17... Qb6 (17... Qc8 $16 {is a better defense.}) 18. Qd4 $18 Qxd4 19. Bxd4 ({Weaker is} 19. exd4 Nd6 $11) 19... Na6 20. c7 Nd6 21. a4 Nc8 22. Ne5 {[%cal Bf3e5,Be5d7,Bd7b6][%mdl 32]} Re8 23. Nd7 f6 (23... Nb4 $142 24. g3 Na2) 24. Nb6 e5 $2 {[#]} (24... Nxb6 {is more resistant.} 25. Bxb6 Rec8 26. Bxa5 Nb4) 25. Nxa8 exd4 26. exd4 Nb4 27. Rc3 Bf8 28. Re3 Kf7 29. Rc1 Be7 30. Re2 {White is clearly winning.} h5 31. h4 g6 32. Rc3 f5 (32... Bf8 $142) 33. Rce3 Rg8 {[#]} 34. Nb6 $1 {[%mdl 512] Precision: White = 77%, Black = 47%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Galego, Luis"]
[Black "Barreto, Ignacio C. De Barro"]
[Result "1-0"]
[ECO "C46"]
[WhiteElo "2479"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,99,134,126,125,105,199,151,170,176,184,177,176,179,163,153,154,161,159,149,149,145,141,145,141,147,138,100,104,104,98,95,91,95,99,75,75,8,10,8,9,8,9,9,35,27,139,136,196,194,198,196,251,240,266,253,311,265,317,316,461,463,459,361,427,462,410,356,1456,1365,1231,1128,1437,1309,29957,9939,29965,9166,29990,29991,29991,29992,29993,29994,29996,29997]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 Nce7 7. Nxd4 c6 8. Nc3 Qa5 {C46: 3 Nc3: Unusual Black 3rd moves} (8... d6 9. Be2 Nf6 10. O-O h6 11. Bh4 O-O 12. f4 Qb6 {½-½ (12) Dimitrov,R (2478)-Martinez Duany,L (2509) Rochefort 2018}) 9. Qd2 {LiveBook: 4 Games} d5 10. Nb3 Bxc3 $146 (10... Qd8 $16) ({Predecessor:} 10... Qb4 11. exd5 Bxc3 12. bxc3 Qe4+ 13. Be2 Qxd5 14. O-O-O Qxd2+ 15. Rxd2 f6 16. Be3 {½-½ (25) Schoenrock,R (2063)-Collini,C (2187) Leipzig 2012}) 11. bxc3 $18 ({Much less strong is} 11. Nxa5 $6 Bxd2+ 12. Bxd2 b6 $11) 11... Qa3 12. Qd4 f6 13. Bc1 Qd6 14. c4 Qe5 15. Qxe5 fxe5 16. cxd5 cxd5 17. exd5 Nxd5 18. Bb2 {[%cal Bc1b2,Bb2e5,Be5d4][%mdl 32]} Ngf6 19. Bxe5 {And now 0-0-0 would win.} O-O 20. O-O-O {Strongly threatening Bc4.} Be6 21. f3 Nd7 22. Bd4 Rfc8 23. Bb5 a6 24. Bxd7 Bxd7 25. Nc5 Bf5 26. g4 (26. Rd2 $16) 26... Bxc2 $1 $11 27. Kxc2 {[#] aiming for Kb2.} b6 28. a3 bxc5 29. Bf2 Nb6 30. Rhe1 $36 {[%mdl 2048] White is more active.} Rab8 (30... Rf8 $11) 31. Bg3 $16 Rb7 (31... Ra8 $16) 32. Rb1 $18 Rc6 33. Re8+ Kg7 {[#]} (33... Kf7 $142 34. Ra8 Nxa8 35. Rxb7+ Ke6 36. Rxh7 Nb6) 34. Ra8 $1 {[%cal Ra8a6]} Re7 35. Rxa6 Ree6 36. Re1 Kf6 37. a4 Nd5 (37... Nc8 $142 38. Bh4+ Kf7 39. Rxc6 Rxc6) 38. Rxe6+ Rxe6 39. Rxe6+ Kxe6 {[%mdl 4096] Endgame KB-KN} 40. Kd3 Kd7 41. Be5 h5 $2 (41... Kc6 42. a5 Ne7) 42. gxh5 gxh5 43. f4 h4 44. Ke4 Kc6 45. f5 c4 46. f6 c3 47. f7 {White mates.} c2 48. f8=Q Nc3+ 49. Bxc3 c1=Q 50. Qc8+ {Precision: White = 87%, Black = 44%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Matsuura, Everaldo"]
[Black "Rocha, Vitor Firmo De Souz"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2476"]
[BlackElo "2174"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,96,25,28,54,41,52,56,68,21,206,60,33,14,42,48,43,54,41,43,50,31,23,37,36,19,29,0,0,0,63,-14,-14,-40,-39,-37,-36,-37,-37,-37,-44,-66,-64,-50,-22,-238,-57,-54,-35,-75,-11,-18,-10,-6,-17,-20,-22,-29,-30,-51,-6,-12,-6,-6,-6,-13,0,0,0,0,0,0,0,0,2,2,14]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 O-O 9. Bd3 Be7 10. O-O Nc6 11. Qe2 Nf6 12. Ne4 {LiveBook: 111 Games} g6 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6} (12... Qb6 13. Be3 Nd5 14. Rac1 Rd8 15. a3 {½-½ (15) Motylev,A (2658)-Jakovenko,D (2724) Poikovsky 2012}) 13. Rad1 $146 ({Predecessor:} 13. Rfd1 b6 14. Bh6 Re8 15. Ne5 Nxd4 16. Qe3 Bb7 17. Bb5 Qd5 18. Bxe8 Rxe8 19. Qxd4 Qxe4 20. Qxe4 Nxe4 {1-0 (90) Melia,S (2431)-Khotenashvili,B (2461) Tbilisi 2010}) 13... b6 14. Bh6 Re8 $1 {White is slightly better.} 15. Bb5 Bd7 $2 (15... Bb7 $1 $11) 16. Nc3 (16. Ne5 $18 Nxe4 17. Nxd7 (17. Qxe4 f5 $16) (17. Nxc6 Bxc6 18. Bxc6 Nf6 $16)) 16... Nd5 $14 17. Rfe1 Rc8 18. Ba6 Rb8 19. Bc4 Nxc3 20. bxc3 Na5 21. Bd3 ({But not} 21. Qe5 Bf6 $15) 21... Ba4 22. Rc1 ({Of course not} 22. Qe5 Bf6 $17) 22... Ba3 23. Rb1 Rc8 24. c4 Nc6 25. Qe3 {Hoping for Bxg6.} Be7 (25... Bb4 $11) 26. Qf4 ({Stronger than} 26. Ne5 Nxd4 27. Qh3 Nf5 $17) (26. c5 $14) 26... Qd6 $11 27. Qg4 f5 28. Qf4 Qxf4 29. Bxf4 Bf6 30. d5 e5 31. Bg5 Bxg5 32. Nxg5 Nd4 {White should prevent ...h6.} (32... Na5 {is interesting.} 33. Rbc1 e4 34. Bf1 Bd7 35. Re3 h6) 33. Nf3 $2 (33. Bf1 $11) 33... Nxf3+ $2 (33... e4 $19 34. Nxd4 exd3 35. Rxe8+ Bxe8) 34. gxf3 $15 Kf7 35. Re3 {[#]} Kf6 (35... f4 $1 $17 {[%cal Rf4e3]} 36. Ree1 Bd7) 36. Bf1 {Black must now prevent Ra3.} Rc7 37. Ra3 Bd7 $1 38. d6 Rc6 39. Rxa7 Rxd6 40. Rb7 Ra8 41. R1xb6 {The position is equal.} Rxb6 42. Rxb6+ $11 {[%mdl 4096] Endgame KRB-KRB} Ke7 43. c5 Rc8 44. Bb5 {[#] Rb7 is the strong threat.} Rxc5 45. Bxd7 Kxd7 46. Rb7+ Ke6 47. Rxh7 Rd5 48. Ra7 Rc5 {Precision: White = 49%, Black = 54%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Romanishin, Oleg M"]
[Black "Lebredo Zaragoitia, Gerardo"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2435"]
[BlackElo "2139"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,20,83,71,75,62,80,29,-5,4,25,18,28,-7,60,52,68,56,64,51,58,58,49,49,125,127,117,122,117,143,151,117,212,190,180,212,189,127,184,171,182,173,367,253,240,225,225,225,225,225,270,263,266,270,274,274]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 Na6 $146 (5... Be7 $11 {remains equal.}) ({Predecessor:} 5... Be7 6. e4 O-O 7. Qe2 d6 8. Nbd2 c5 9. b3 Nc6 10. Bb2 Nd7 11. d4 cxd4 12. Nxd4 Nxd4 13. Bxd4 a5 14. Rfd1 Ba6 15. c4 bxc4 16. Nxc4 a4 {½-½ (33) Lopez Martinez,J (2589)-Vallejo Pons,F (2717) Linares 2017}) 6. e4 $16 {A05: Réti Opening: 1 Nf3 Nf6} d6 7. Re1 Be7 8. c4 ({White should play} 8. Nd4 $16) 8... bxc4 $11 9. dxc4 O-O 10. Nc3 Nc5 {[%cal Rc5e4]} 11. e5 Nfd7 (11... Ng4 $11) 12. b4 $14 Na6 13. a3 Nxe5 14. Nxe5 Bxg2 15. Kxg2 {Nc6 is the strong threat.} dxe5 16. Qf3 c6 ({Black should try} 16... c5 $14) 17. Qxc6 $16 Qc8 18. Qxc8 Rfxc8 19. c5 Nc7 20. Be3 Nd5 {[#]} (20... Ne8 $16 21. Rad1 a5) 21. Nxd5 $1 $18 exd5 22. Rad1 Rd8 {[#]} 23. c6 (23. f4 $1 $18) 23... a6 (23... f6 $16) 24. Bb6 Rdc8 25. c7 d4 $2 (25... Bd6 26. Rc1 (26. Rxd5 Bxc7 27. Bxc7 Rxc7 $16) 26... Kf8) 26. Rxe5 Bd6 27. Ra5 ({But not} 27. Bxd4 $6 Bxe5 28. Bxe5 f6 $16) 27... Bxc7 28. Bxc7 Rxc7 29. Rxd4 g6 30. Rd6 {White has a decisive advantage.} Rca7 31. g4 Kf8 32. h4 {Precision: White = 71%, Black = 36%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Von Buelow, Georg"]
[Black "Almeida, Gianluca Jorio"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2354"]
[BlackElo "2109"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,63,68,25,38,32,52,27,50,30,29,1,36,35,50,2,62,87,61,44,45,-14,-18,-21,0,-56,-41,-37,-27,-20,-25,-28,-11,-6,0,0,0,0,0,0,102,102,98,114,104,92,1155,1164]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. Qe2 d6 8. c4 Nbd7 9. Nc3 Be7 10. Bd2 {LiveBook: 3 Games. B42: Sicilian: Kan Variation: 5 Bd3} (10. f4 O-O 11. Kh1 b6 12. Bd2 g6 13. Rae1 Bb7 14. f5 exf5 15. exf5 Rae8 16. fxg6 hxg6 17. Bxg6 fxg6 18. Qd3 Bd8 19. Qxg6+ Kh8 20. Ne6 Rxe6 21. Rxe6 Qxc4 22. Rf4 Nh7 23. Re8 Qc6 24. Rfxf8+ Ndxf8 25. Rxd8 Qc4 26. Ne2 {1-0 (26) Smirin,I (2658)-Teterev,V (2494) Minsk 2015}) 10... O-O 11. b3 b6 12. f4 {White is slightly better.} Re8 13. Rae1 Bb7 14. Kh1 Rad8 (14... Qc5 $5 {[%cal Rc5d4]} 15. Be3 Qh5 $11) 15. b4 $146 ({Predecessor:} 15. f5 Bf8 16. fxe6 fxe6 17. Bg5 Kh8 {0-1 (62) Kuzmin,E (2067)-Ali Marandi,C (2180) Batumi 2010}) 15... Qb8 16. Qf3 Qa8 (16... d5 $11 17. cxd5 Bxb4) 17. Qh3 $14 Bf8 18. a3 g6 19. f5 ({White should try} 19. Kg1 $14) 19... exf5 $11 20. exf5 Bg7 21. Bg5 (21. Be2 $11) 21... Rxe1 $15 22. Rxe1 Ne5 23. Bf1 Re8 24. Qh4 Neg4 25. h3 $132 {[%mdl 2048] White is fighting back} h6 26. Bxf6 $1 Nxf6 27. fxg6 fxg6 28. Ne6 Qc8 (28... g5 $1 $11 29. Qf2 Ne4 30. Rxe4 Bxe4 31. Nxg7 Kxg7) 29. Nxg7 $16 Kxg7 30. Rxe8 Qxe8 {[#]} 31. Qd4 $1 Qc6 $2 {[%mdl 8192]} (31... Qe1 $16 32. Kg1 Kf7) 32. Nd5 $1 {Precision: White = 44%, Black = 25%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Menna Barreto, Felipe Kubiaki"]
[Black "Graciano, Rafael Alves Da Sil"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2342"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 1,1,19]} 1. d4 {Predecessor:} Nf6 $146 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O b6 13. Rad1 Bb7 14. Rfe1 Rc8 15. Bb3 Re8 16. h3 Nf6 17. Qf4 Nh5 18. Qh2 h6 19. d5 exd5 20. e5 g6 21. Nd4 Ng7 22. Nb5 {½-½ (54) Mamedyarov,S (2820)-Ding,L (2804) Batumi 2018} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Guimaraes, Diogo Duarte"]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2272"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,68,8,21,42,16,27,20,14,-22,-17,-41,-64,-30,-35,-61,-18,-18,-12,-16,-16,-46,-39,-28,-10,-11,-17,-43,-37,-37,-39,-61,-15,-10,-33,-144,-142,-141,-122,-122,-122,-123,-69,-1100,-1096,-1227,-1203,-1135,-1087,-29976,-29977,-29989,-2341,-29990,-29991]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 O-O 6. c3 a6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (6... d6 7. Re1 a6 8. a4 Ba7 9. h3 Kh8 10. d4 h6 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Qxd8 Rxd8 14. Nd2 Kg8 15. Nf3 {½-½ (31) Anand,V (2771)-Aronian,L (2780) Batumi 2018}) 7. a4 d5 8. exd5 Nxd5 9. Re1 {LiveBook: 6 Games} Nb6 10. Bb3 Bg4 11. h3 $146 ({Predecessor:} 11. Qe2 Qf6 12. Nbd2 Qg6 13. Ne4 Be7 {½-½ (27) Both,E (2234)-Hetey,L (2352) Brasschaat 2009}) 11... Bh5 12. Be3 Bxe3 13. Rxe3 Nd5 14. Bxd5 Qxd5 15. Nbd2 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 16. Qb3 Qxb3 17. Nxb3 f4 18. Ree1 Bxf3 19. gxf3 Rad8 20. Nc5 Rd5 21. Nxb7 Rb8 $36 {[%mdl 2048] Black has good play.} ({But not} 21... Rxd3 $6 22. Nc5 $14) 22. c4 Rxd3 23. Nc5 Rxf3 24. Kg2 Nd4 25. Rab1 (25. Ra3 $1 $15 Rxa3 26. bxa3) 25... Rb6 $17 {[#] ( -> ...Rg6+)} 26. Rh1 Rg6+ 27. Kf1 Rc6 28. Nd7 Re6 (28... e4 $17 29. Ne5 Rd6 30. Nxf3 Nxf3) 29. Re1 $2 {[%mdl 8192]} (29. Rd1 $15) 29... e4 $19 {[%cal Be5e4,Be4e3,Be3e2][%mdl 32]} 30. Nc5 {[#]} e3 $1 {[%mdl 512]} 31. Rh2 Re5 32. Nxa6 e2+ 33. Kg2 Rg5+ 34. Kh1 Rd3 {Precision: White = 43%, Black = 67%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Teixeira, Ricardo Da Silva"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2239"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,92,-2,-4,0,0,-2,-15,-12,-15,-10,-148,-133,-139,-140,-140,-139,-137,-127,-161,-144,-145,-141,-145,-90,-141,-144,-148,-128,-276,-150,-165,-165,-164,-157,-176,-155,-158,-150,-219,-168,-163,-170,-189,-176,-205,-201,-195,-155,-201,-155,-311,-308,-302,-308,-301,-288,-447,-447,-504,-525,-477,-441,-720,-720,-714,-707,-685,-624,-634,-636,-725,-698,-773,-732,-757,-754]} 1. Nf3 d5 2. d4 Nf6 3. g3 c6 4. Bg2 Bf5 5. O-O e6 6. Nbd2 h6 7. c4 Be7 8. b3 {D11: Damengambit (Slawische Verteidigung)} O-O 9. Bb2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} (9... Nbd7 10. a3 a5 11. Ne1 Qb6 12. Nd3 Rfd8 13. Rc1 Ne4 14. Nf3 Qa6 15. a4 Bf6 16. Ba3 dxc4 17. bxc4 c5 18. e3 Rac8 {0-1 (42) Indjic,A (2542)-Ragger,M (2639) Warsaw 2014}) 10. a3 {LiveBook: 6 Partien. Die Stellung ist ausgeglichen.} Ne4 11. Nxe4 Bxe4 12. Nd2 Bxg2 13. Kxg2 a4 $146 ({Vorgänger:} 13... Nd7 14. Qc2 f5 15. f3 {0-1 (32) Sukuba,Z (2091)-Nagy,T (2192) Slovakia 2010}) 14. b4 (14. e3 $11) 14... dxc4 $17 15. e4 b5 16. f4 f5 17. Qe2 Bf6 18. Rad1 fxe4 19. Nxe4 Qd5 20. Kg1 Nd7 ({Besser ist} 20... Na6 21. Rfe1 Nc7) 21. Nc5 (21. Rf3 $142) 21... Rae8 22. Rfe1 Rf7 23. Bc1 (23. Rf1 $17) 23... Nb6 (23... Bxd4+ $19 24. Be3 Nxc5 25. bxc5 (25. Rxd4 $2 Nd3 $19) 25... Bxe3+ 26. Qxe3 Qf5) 24. Qe4 Qxe4 25. Rxe4 Rfe7 26. Rde1 Kf7 27. Kg2 Nc8 28. g4 (28. Bb2 $17 {ist wohl besser.}) 28... g6 29. Bb2 Nb6 30. Kg3 Nd5 31. h4 h5 32. g5 Bg7 33. R1e2 Nb6 34. Kh3 $2 (34. Kf3 $17) 34... Nc8 $19 35. Re1 Nd6 36. R4e2 Nf5 37. Re4 (37. Rd2 $142) 37... Rd8 {Schwarz steht klar auf Gewinn.} 38. Rd1 {[#]} e5 $1 {[%mdl 512]} 39. fxe5 {[#]} (39. dxe5 Rxd1) 39... Bxe5 $1 {[%mdl 512]} 40. dxe5 (40. Rde1 $142 Bd6 41. Rxe7+ Nxe7 42. Nb7) 40... Rxd1 41. e6+ Ke8 42. Bf6 Rh1+ 43. Kg2 Rxh4 44. Re2 Rg4+ 45. Kf2 Rf4+ 46. Kg2 h4 {Precision: Weiß = 31%, Schwarz = 77%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.15"]
[Round "2"]
[White "Viana, Dirceu"]
[Black "Pimentel, Rafael Favarin G."]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2201"]
[BlackElo "1886"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,40,4,24,23,35,31,28,39,41,44,57,39,38,46,64,62,64]} 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 e5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. Be3 Be6 10. Rc1 Nd5 11. Nxd5 Bxd5 12. Qa4 a5 13. a3 Re8 {LiveBook: 11 Partien. A29: Englische Eröffnung (Vierspringer-Variante)} (13... Rb8 14. Bc5 Bd6 15. Rfd1 Qe7 16. Qb5 Bxc5 17. Qxc5 Qxc5 18. Rxc5 Rfd8 19. Rdc1 f6 20. Nd2 Bxg2 21. Kxg2 {½-½ (83) Belous,V (2564)-Arribas Lopez,A (2511) chess.com INT 2017}) 14. Rfe1 Bf6 $146 ({Vorgänger:} 14... Rb8 15. Qb5 Bf6 16. Nd2 Bxg2 17. Kxg2 Bg5 18. Bxg5 Qxg5 19. Nf3 Qd8 20. Rc4 Re6 21. Rec1 {1-0 (40) Kigigha,B (2317)-Varshini,V (2205) Abu Dhabi 2018}) 15. Nd2 Bxg2 16. Kxg2 Ne7 {Weiß steht etwas besser.} 17. Ne4 Nd5 18. Qb5 b6 19. Nxf6+ Nxf6 20. Bg5 c5 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Souza, Wellington"]
[Black "Torres, Eduardo Lisboa"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "2120"]
[BlackElo "1864"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,50,51,50,40,50,94,39,127,29,0,-561,-560,-29992,-29993,-29993,-29994,-29994,-29995,-29995,-29996,-29996,-29997,-29998,-29999]} 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Nc3 O-O 7. Be2 Re8 8. O-O a5 9. b3 Ncxe5 10. Bb2 Ra6 11. Nxe5 Nxe5 12. Ne4 Ba7 13. c5 {A52: Budapest Gambit} (13. Ng3 Rh6 14. Nf5 Rf6 15. f4 Rxf5 16. fxe5 Rfxe5 17. Kh1 Rg5 18. Bh5 f6 19. Bxe8 Qxe8 20. Bd4 Bb8 {0-1 (31) Mamedov,R (2660)-Mamedyarov,S (2772) Moscow 2011}) 13... Rh6 14. g3 d5 15. cxd6 $1 {LiveBook: 3 Games. White is slightly better.} cxd6 16. Qd5 {And now Rfd1 would win.} Qe7 $146 ({Predecessor:} 16... Qd7 17. Ng5 Qf5 18. h4 Rg6 19. Qg2 Bd7 20. e4 Qf6 {1-0 (32) Nestorovic,L (2397)-Godart,F (2266) Albena 2011}) 17. Rfd1 (17. Qxa5 $16 Bg4 18. Bxg4 Nxg4 19. Qxa7 (19. Qc3 f5 $11) 19... Qxe4 20. h4) 17... Bg4 ({Black should try} 17... Ng4 $1 $14) 18. Bxg4 (18. Bxe5 $16 Bxe2 19. Nxd6) 18... Nxg4 $11 19. Nxd6 $2 {[%mdl 8192] [#]} (19. Bd4 $11 {and White stays safe.} Bb8 20. f3) 19... Bxe3 $1 $19 {[%mdl 512]} 20. Nf5 (20. fxe3 Qxe3+) 20... Bxf2+ {Black mates.} 21. Kg2 Rxh2+ 22. Kf3 Qe2+ 23. Kf4 Be3+ 24. Nxe3 Rf2+ 25. Kg5 h6+ 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Campos, Alexandre Ferreira"]
[Black "Perdomo, Leandro"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "2076"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,72,21,8,0,0,0,0,0,0,0,0,0,0,0,0,-122,10,12,20,4,13,0,0,0,0,-37,-30,-13,0,-55,0,-43,0,-14,-8,-238,-226,-224,-210,-228,-214,-415,-420,-416,-421,-647,-525,-635,-424,-409,-419,-603,-358,-941,-941]} 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. dxe5 dxe5 9. Qc2 c6 10. b3 Qe7 {LiveBook: 6 Games. E67: King's Indian: Fianchetto: 6...Nbd7} 11. a4 (11. Rd1 Re8 12. Ng5 e4 13. Bf4 Ne5 14. Ngxe4 Bf5 15. Bg5 Neg4 16. Nxf6+ Bxf6 17. e4 Bxg5 18. exf5 Be3 19. Rf1 Rad8 20. Ne4 Bd4 21. fxg6 hxg6 22. Rae1 Nxf2 23. Nxf2 Qxe1 24. Rxe1 Rxe1+ 25. Bf1 Be3 {0-1 (25) Martins,D (2382)-Gupta,A (2634) London 2016}) 11... a5 12. Ba3 Nc5 {The position is equal.} 13. Nd2 Bf5 14. e4 Be6 15. Nd5 cxd5 16. cxd5 Rfc8 $1 17. Nc4 $146 (17. Rfc1 $11 {remains equal.} Bf8 18. dxe6) ({Predecessor:} 17. dxe6 Qxe6 18. Qc4 Qxc4 19. Nxc4 Nxb3 {1-0 (41) Schneider,A (2380)-Kosztolanczi,G (2205) Hungary 1997}) 17... Ra6 (17... Bd7 $17 {Threatens to win with ...Qd8.} 18. Nb6 Bf8) 18. dxe6 Qxe6 19. Bxc5 (19. Qb1 {is more complex.} Raa8 20. Rc1 b6 21. Rc2 Bf8 22. f3) 19... Rxc5 20. Rfd1 Ra8 21. Qd2 Bf8 22. Rac1 h5 23. Rc3 Kh7 24. Rd3 (24. f4 $11) 24... Rac8 (24... b5 $1 $15 25. axb5 (25. Nxa5 bxa4 26. Nb7 Rc7 $17) 25... Rxb5) 25. Rd8 b6 26. h3 R5c6 27. Qg5 $2 (27. Rxc8 $11 {and White is okay.} Rxc8 28. f4) 27... Bh6 $19 28. Qxe5 {[#]} Rxd8 $1 29. Rxd8 {[#] Qd4 is the strong threat.} Rxc4 $1 30. Qb8 $2 (30. Qxe6 {is the only way for White.} Rc1+ 31. Kh2 fxe6 32. e5) 30... Rc1+ 31. Kh2 {Intending Rh8+ and mate.} Bg7 32. Rd6 (32. Qf4 $142 Rc2 33. Rd6) 32... Qxb3 33. e5 Ng8 34. e6 fxe6 35. Qe8 (35. Qxb6 $142 Qxb6 36. Rxb6) 35... Qb2 36. Rxe6 $2 (36. Qxe6 Nf6 37. Qe3) 36... Nf6 {Precision: White = 32%, Black = 62%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Nascimento, Pedro Henrique Alve"]
[Black "De Almeida, Roberto A. Ferreira"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2007"]
[BlackElo "1784"]
[Annotator "NA RC"]
[PlyCount "85"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,85,62,45,86,57,78,62,67,72,64,-6,52,43,51,45,49,47,38,20,25,19,20,11,41,0,47,34,27,13,50,27,73,-15,-20,-31,-31,-29,0,0,0,-7,40,26,62,0,0,0,19,23,16,21,569,744,879,5185,5414,6227,6087,6215,6079,12066,29975,29974,29983,12843,12843,12843,29985,29984,29984,29982,29982,29983,29983,29981,12846,29982,29982,29983]} 1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:09]} 2. c4 {[%emt 0:00:00]} Nf6 {[%emt 0:01:07]} 3. cxd5 {[%emt 0:00:23]} Qxd5 {[%emt 0:01:15]} 4. Nc3 {[%emt 0:00:19]} Qd8 {[%emt 0:00:18]} 5. e4 {[%emt 0:00:17]} e6 {[%emt 0:01:34] LiveBook: 10 Games} (5... e5 $11 {remains equal.}) 6. Nf3 {[%emt 0:00:34]} Bb4 {[%emt 0:01:07]} 7. Qa4+ {[%emt 0:03:01] D06: Damengambit (Seltene Züge)} (7. Bd3 c5 8. a3 cxd4 9. axb4 dxc3 10. bxc3 Qc7 11. c4 b6 12. Bb2 Bb7 13. O-O Nc6 14. Qd2 Ne7 {1-0 (36) Gleyzer,L (2323)-Vecek,M (2321) ICCF email 2015}) 7... Nc6 {[%emt 0:00:02]} 8. Bb5 {[%emt 0:05:02]} Bd7 {[%emt 0:01:21]} 9. Bg5 {[%emt 0:01:31]} ({Lieber} 9. Qc2 $14) 9... h6 {[%emt 0:01:29]} (9... a6 $11 10. Bxf6 axb5 11. Qxb4 Nxb4 12. Bxd8 Nc2+ 13. Kd2 Nxa1 14. Bxc7 b4 15. Rxa1 bxc3+ 16. bxc3 Ra6) 10. Bxf6 {[%emt 0:01:21]} Qxf6 {[%emt 0:00:55]} 11. O-O {[%emt 0:00:30]} Bxc3 $1 {[%emt 0:02:52]} 12. bxc3 {[%emt 0:05:47]} O-O $146 {[%emt 0:00:16]} ({Vorgänger:} 12... a6 13. Bxc6 Bxc6 14. Qc2 O-O {½-½ (38) Pereira,E (1748)-Monteiro,L (1775) Cordeiropolis 2013}) 13. Qd1 {[%emt 0:17:31]} a6 {[%emt 0:00:32]} 14. Bd3 {[%emt 0:01:45]} e5 {[%emt 0:02:36]} 15. d5 {[%emt 0:03:33]} Ne7 {[%emt 0:00:06]} 16. Nd2 {[%emt 0:02:25]} Ng6 {[%emt 0:04:30]} 17. g3 {[%emt 0:02:16]} c6 {[%emt 0:04:58]} 18. Re1 {[%emt 0:02:19]} Qg5 {[%emt 0:02:13]} 19. Nf3 {[%emt 0:01:12]} Qg4 {[%emt 0:01:10]} 20. Nh4 {[%emt 0:04:17]} (20. c4 $16) 20... Qxd1 {[%emt 0:01:33]} 21. Raxd1 {[%emt 0:00:18]} Nxh4 {[%emt 0:00:19]} 22. gxh4 {[%emt 0:00:06]} Bg4 {[%emt 0:01:56]} 23. Be2 {[%emt 0:00:57]} Bxe2 {[%emt 0:00:51]} 24. Rxe2 {[%emt 0:00:08]} Rad8 {[%emt 0:05:04]} 25. c4 {[%emt 0:01:13]} f5 {[%emt 0:02:52]} 26. a4 {[%emt 0:02:07]} ({White should play} 26. c5 $16) 26... fxe4 {[%emt 0:00:33]} 27. Rxe4 {[%emt 0:00:23]} Rf4 {[%emt 0:00:35]} 28. Rxf4 {[%emt 0:00:35]} exf4 {[%emt 0:00:09]} 29. Kg2 {[%emt 0:00:17]} Kf7 $2 {[%emt 0:02:45] [#]} (29... cxd5 $11 {and Black stays safe.} 30. cxd5 b5) 30. dxc6 $1 {[%emt 0:00:21]} Ke7 {[%emt 0:06:09]} 31. Rxd8 {[%emt 0:01:08]} Kxd8 {[%emt 0:00:01]} 32. cxb7 {[%emt 0:00:15]} Kc7 {[%emt 0:00:04]} 33. Kf3 {[%emt 0:00:55]} Kxb7 {[%emt 0:00:02]} 34. Ke4 {[%emt 0:00:28]} (34. Kxf4 $142 Kc7 35. Kf5 a5 36. Kg6 Kb6 37. Kxg7 h5 38. f4 Kc5 39. f5 Kxc4 40. f6) 34... Kb6 {[%emt 0:00:12]} 35. Kd5 {[%emt 0:00:10]} g5 {[%emt 0:03:13]} 36. hxg5 {[%emt 0:00:17]} hxg5 {[%emt 0:00:07]} 37. h3 {[%emt 0:00:11]} f3 {[%emt 0:00:59]} 38. c5+ {[%emt 0:00:48]} Kc7 {[%emt 0:00:14]} 39. a5 {[%emt 0:00:48]} Kd7 {[%emt 0:00:51]} 40. c6+ {[%emt 0:00:20]} Kc8 {[%emt 0:03:19]} 41. Ke5 {[%emt 0:06:08]} Kc7 {[%emt 0:00:47]} 42. Kf5 {[%emt 0:00:18]} Kxc6 {[%emt 0:00:14]} 43. Kxg5 {[%emt 0:00:04]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Rodrigues, Nei Jorge"]
[Black "Santos Filho, Tadeu Sousa"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1978"]
[BlackElo "2078"]
[Annotator "NA RC"]
[PlyCount "65"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,65,11,40,12,6,6,17,26,0,29,9,13,0,19,18,21,11,20,0,15,18,36,8,27,18,0,-15,0,14,-7,-23,-14,-45,-60,-56,-66,-75,-65,-85,-92,-109,-81,-89,-76,-152,-96,-196,-97,-143,0,-193,0,-132,0,-198,0,-156,0,-202]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:02:08]} 2. g3 {[%emt 0:00:24]} g6 {[%emt 0:00:10]} 3. Bg2 {[%emt 0:00:11]} Bg7 {[%emt 0:00:07]} 4. e4 {[%emt 0:00:58]} d6 {[%emt 0:00:11]} 5. Ne2 {[%emt 0:00:34]} O-O {[%emt 0:00:44] LiveBook: 709 Games} 6. Bg5 {B06: Modern Defence} (6. Nbc3 e5 7. h3 exd4 8. Nxd4 Bd7 9. O-O Nc6 10. Nb3 Re8 11. Re1 a6 12. a4 Be6 13. Nd5 Ne5 14. Nd4 Bd7 15. Bg5 c6 16. Nxf6+ Bxf6 17. Bxf6 Qxf6 {1-0 (66) Zubov,A (2612)-Demchenko,A (2645) Konya 2017}) 6... h6 7. Be3 {[%emt 0:03:15]} Ng4 $146 {[%emt 0:01:55]} ({Predecessor:} 7... e5 8. dxe5 dxe5 9. Qxd8 Rxd8 10. h3 b6 11. Nd2 Ba6 12. c4 Nc6 {0-1 (66) Tagliaferri,V (1807)-Spornberger,M (2225) Crema 2012}) 8. Bc1 {[%emt 0:00:37]} c5 {[%emt 0:02:43]} 9. O-O {[%emt 0:01:57]} cxd4 {[%emt 0:03:43]} 10. Nxd4 {[%emt 0:00:13]} Qb6 {[%emt 0:00:25]} 11. c3 {[%emt 0:02:34]} Nc6 {[%emt 0:02:09]} 12. h3 {[%emt 0:00:22]} Nge5 {[%emt 0:03:29]} 13. Ne2 {[%emt 0:05:52]} Rd8 {[%emt 0:10:48]} 14. Na3 {[%emt 0:06:41]} a6 {[%emt 0:20:23]} 15. Qc2 {[%emt 0:10:46]} Qc7 {[%emt 0:02:58]} 16. f4 {[%emt 0:01:54]} Nd7 {[%emt 0:01:53]} 17. f5 {[%emt 0:02:57]} g5 {[%emt 0:05:36]} 18. Nc4 {[%emt 0:03:18]} b5 {[%emt 0:06:31]} 19. Ne3 {[%emt 0:00:16]} Nf6 {[%emt 0:01:00]} 20. a4 {[%emt 0:14:49]} Bb7 {[%emt 0:04:40]} 21. Bd2 {[%emt 0:06:45]} Rdc8 {[%emt 0:02:42]} 22. Kh2 {[%emt 0:07:43]} Qb6 {[%emt 0:10:47]} 23. Qb1 {[%emt 0:05:36]} Ne5 {[%emt 0:04:23]} 24. b3 {[%emt 0:02:25]} Rab8 {[%emt 0:01:31]} 25. axb5 {[%emt 0:00:58]} axb5 {[%emt 0:00:25]} 26. b4 {[%emt 0:03:29]} (26. Nd5 $142 Bxd5 27. exd5) 26... Ra8 {[%emt 0:06:00]} 27. Qc2 $1 {[%emt 0:01:04]} (27. Rxa8 $17 Rxa8 28. Nd4) 27... Nc6 $2 {[%emt 0:01:11]} (27... Rxa1 $19 28. Rxa1 Nc4 29. Nxc4 Rxc4) 28. Qb3 $2 {[%emt 0:04:52]} Ne5 {[%emt 0:00:37]} (28... Rxa1 $17 29. Rxa1 Ne5) 29. Qc2 {[%emt 0:01:58]} Nc6 {[%emt 0:02:21]} {White should try} 30. Qd3 $11 {[%emt 0:05:10]} Ne5 {[%emt 0:00:40]} ({Better is} 30... Rxa1 $17 31. Rxa1 Ne5) 31. Qc2 {[%emt 0:00:44]} Nc6 {[%emt 0:01:27]} 32. Qb3 {[%emt 0:03:12]} Ne5 $11 {[%emt 0:00:42]} 33. Qc2 $1 {[%emt 0:00:34]} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.15"]
[Round "2"]
[White "Chang, Suzana"]
[Black "Reis, Virginia Lagrange M"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1968"]
[BlackElo "1750"]
[Annotator "NA RC"]
[PlyCount "113"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,113,4,4,5,-5,4,9,-22,26,12,26,16,57,42,48,38,112,69,131,135,129,134,326,258,264,193,248,250,286,213,241,243,232,241,314,171,214,98,471,514,778,419,1097,1137,1176,302,310,308,319,305,309,323,341,260,282,241,277,301,336,293,322,281,306,333,365,354,349,375,376,397,427,452,448,446,459,473,563,364,427,387,491,436,1126,529,581,551,758,674,708,787,772,825,932,812,928,1078,1033,1444,1148,1618,1178,1133,1203,1481,29992,1493]} 1. g3 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:25]} Nc6 {[%emt 0:00:19]} 3. Bg2 {[%emt 0:00:13]} g6 {[%emt 0:00:20]} 4. Nc3 {[%emt 0:00:09]} Bg7 {[%emt 0:00:19]} 5. Rb1 {[%emt 0:02:08]} d6 {[%emt 0:02:12]} 6. d3 {[%emt 0:01:15] LiveBook: 19 Games} Rb8 {[%emt 0:01:17] A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} (6... e5 7. a3 a5 8. Nf3 Nge7 9. O-O O-O 10. Ne1 Be6 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nde7 14. Bd2 Rb8 15. Na4 b6 16. b4 cxb4 17. axb4 axb4 18. Bxb4 Nxb4 19. Rxb4 b5 20. Nc5 Qd6 21. Nxe6 Qxb4 22. Nxf8 Bxf8 {½-½ (37) Berkes,F (2678)-Mekhitarian,K (2550) Khanty-Mansiysk 2010}) 7. Bd2 {[%emt 0:02:42]} Bd7 {[%emt 0:01:15]} 8. e3 $146 {[%emt 0:06:01]} ({Predecessor:} 8. a3 a5 9. Nf3 Nf6 10. O-O O-O 11. Ne1 b6 12. Nc2 Nd4 13. b4 axb4 14. axb4 Bc6 15. Nxd4 Bxg2 16. Kxg2 cxd4 17. Nb5 e5 18. e3 dxe3 19. Bxe3 {1-0 (40) Micheli,C (2268)-Wittmann,W (2286) Rogaska Slatina 2012}) 8... Ne5 {[%emt 0:07:20]} 9. Qc2 {[%emt 0:02:32]} Bc6 {[%emt 0:02:13]} 10. e4 {[%emt 0:00:20]} f5 {[%emt 0:01:30]} 11. f4 {[%emt 0:00:53]} Nf7 {[%emt 0:05:08]} 12. Nf3 {[%emt 0:01:23]} e5 {[%emt 0:04:08]} (12... e6 $14) 13. exf5 {[%emt 0:07:24]} Ne7 {[%emt 0:03:29]} 14. fxg6 {[%emt 0:01:34]} hxg6 {[%emt 0:00:19]} 15. O-O {[%emt 0:02:27]} Bd7 $2 {[%emt 0:03:12]} (15... exf4 $16 {is a better defense.} 16. Bxf4 O-O) 16. Rbe1 {[%emt 0:12:14]} O-O {[%emt 0:02:22]} 17. Ne4 {[%emt 0:11:52]} b6 {[%emt 0:02:04]} 18. fxe5 {[%emt 0:06:06]} dxe5 {[%emt 0:00:56]} 19. h3 {[%emt 0:04:41]} Qc7 {[%emt 0:05:18]} 20. g4 {[%emt 0:02:23]} Rbe8 {[%emt 0:01:33]} 21. Be3 {[%emt 0:04:30]} Nc6 {[%emt 0:01:02]} 22. Qf2 {[%emt 0:01:18]} Nb4 {[%emt 0:01:20]} 23. Rd1 {[%emt 0:00:21]} (23. Nh4 $18 Re6 24. Qd2) 23... Nxa2 $2 {[%emt 0:01:23]} (23... Bc6 $16) 24. Qh4 {[%emt 0:00:23]} Bc8 $2 {[%emt 0:06:39]} (24... Nb4 25. Nfg5 Nh6 26. Nf6+ Bxf6) 25. Bg5 {[%emt 0:07:09]} Nxg5 {[%emt 0:01:39]} (25... Nd6 $142 26. Nf6+ Bxf6) 26. Nfxg5 {[%emt 0:00:23]} ({Weaker is} 26. Nexg5 Bf6 $16) 26... Bh8 {[%emt 0:00:47] [#]} 27. Qh6 $2 {[%emt 0:04:40]} (27. Nd6 $1 {[%mdl 512]} e4 (27... Qxd6 28. Qh7#) 28. Nxe8 Rxe8 29. Rf7 Qxf7 30. Nxf7 Kxf7 31. Qh7+ Ke6 32. Qxg6+ Kd7 33. Bxe4 Bd4+ 34. Kg2) 27... Qg7 {[%emt 0:00:38]} 28. Qxg7+ {[%emt 0:00:04]} Bxg7 {[%emt 0:01:04]} 29. Nd6 {[%emt 0:00:17]} Nb4 {[%emt 0:08:44]} 30. Nxe8 {[%emt 0:00:55]} Rxe8 {[%emt 0:00:14]} 31. Ne4 {[%emt 0:01:45]} Rd8 {[%emt 0:02:38]} 32. Nf6+ {[%emt 0:05:18]} Kh8 {[%emt 0:05:15]} 33. Nd5 {[%emt 0:00:05]} Nc2 {[%emt 0:00:35]} 34. Be4 {[%emt 0:00:18]} Be6 {[%emt 0:02:23]} 35. Rf3 {[%emt 0:02:23]} Nd4 {[%emt 0:00:50]} 36. Rf2 {[%emt 0:00:05]} Kh7 {[%emt 0:10:36]} 37. Ra1 {[%emt 0:01:13]} Rd7 {[%emt 0:03:46]} 38. Raf1 {[%emt 0:01:34]} Kh8 {[%emt 0:01:49]} 39. Kg2 {[%emt 0:00:53]} g5 {[%emt 0:04:21]} 40. Nf6 {[%emt 0:00:53]} Rf7 {[%emt 0:01:49]} 41. Nh5 {[%emt 0:02:04]} Rxf2+ {[%emt 0:01:47]} 42. Rxf2 {[%emt 0:00:12]} ({Less strong is} 42. Kxf2 Bd7 $18) 42... Bg8 {[%emt 0:01:16]} 43. Nf6 {[%emt 0:03:13]} Be6 {[%emt 0:01:50]} 44. Nd5 {[%emt 0:02:14]} Kg8 {[%emt 0:00:54]} 45. Kf1 {[%emt 0:00:36]} Bf7 {[%emt 0:00:55]} (45... Bxd5 $142 46. Bxd5+ Kh7) 46. Nc7 {[%emt 0:00:30]} (46. Ne7+ $142 Kf8 47. Bd5) 46... Nb3 {[%emt 0:01:22]} 47. Ke2 {[%emt 0:01:57]} Nd4+ {[%emt 0:00:02]} 48. Ke3 {[%emt 0:00:39]} Bf8 {[%emt 0:00:41]} 49. Bd5 {[%emt 0:00:23]} Bxd5 {[%emt 0:00:41]} 50. cxd5 {[%emt 0:00:34]} Bd6 {[%emt 0:01:19]} 51. Ne8 {[%emt 0:01:26]} Nb5 {[%emt 0:00:35]} 52. Ke4 {[%emt 0:00:21]} Bb8 {[%emt 0:00:25]} 53. Rf6 {[%emt 0:00:22]} Nd4 {[%emt 0:00:45]} 54. d6 {[%emt 0:00:33]} Nc6 {[%emt 0:00:15]} 55. d7 {[%emt 0:00:39]} Nd8 {[%emt 0:00:03]} 56. Kd5 {[%emt 0:00:15]} Kh8 {[%emt 0:01:07]} 57. Rf8+ $18 {[%emt 0:00:18]} (57. Rg6 $142 Kh7 58. Rxg5 Bc7 59. Nxc7 c4 60. dxc4 Kh6 61. h4 Nb7 62. Ne8) 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Ramos, Angelo Bil"]
[Black "Souza Neves, Andrey M."]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1952"]
[BlackElo "2074"]
[Annotator "NA RC"]
[PlyCount "84"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,57,25,19,18,33,14,7,1,18,8,29,6,97,9,7,9,48,19,10,13,15,0,-2,0,0,-35,8,-25,-10,-89,-87,-89,-94,-91,-73,-91,-69,-109,-39,-50,-46,-48,-51,-97,-91,-89,-50,-88,-58,-77]} 1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:21]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 3. Bc4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:31]} 4. d3 {[%emt 0:00:16]} Bc5 {[%emt 0:00:16]} 5. O-O {[%emt 0:01:43]} O-O {[%emt 0:01:28]} 6. Nbd2 {[%emt 0:04:29]} d6 {[%emt 0:00:37]} 7. c3 {[%emt 0:00:25]} a5 {[%emt 0:03:18] LiveBook: 73 Games} 8. a4 {[%emt 0:00:21]} Qe7 {[%emt 0:01:23]} 9. Re1 {[%emt 0:01:10] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (9. h3 Kh8 10. Re1 Be6 11. Qb3 Ra6 12. Nf1 Rb6 13. Qc2 Bxc4 14. dxc4 Nh5 15. Be3 Nf4 16. Bxc5 dxc5 {1-0 (46) Balashov,Y (2451)-Korensky,S (2194) Tambov 2017}) 9... Nh5 $146 {[%emt 0:02:21]} ({Predecessor:} 9... Ng4 10. Re2 Bb6 11. Nf1 Kh8 12. h3 Nf6 13. Ng3 Be6 14. Qb3 Nd7 15. Be3 Ra6 16. d4 Bxc4 17. Qxc4 {1-0 (46) Grabher,H (2311)-Dietmayer Kraeutler,M (2287) Austria 2006}) 10. Nb3 {[%emt 0:08:55]} Be6 {[%emt 0:04:18]} (10... Bb6 $11) 11. Bd5 {[%emt 0:04:10]} (11. Ng5 $16 Nf4 12. Nxe6 Nxe6 13. Nxc5 dxc5 14. Qg4) 11... Bb6 {[%emt 0:08:17]} 12. d4 {[%emt 0:02:58]} Rae8 {[%emt 0:08:24]} 13. Be3 {[%emt 0:12:54]} exd4 {[%emt 0:06:39]} 14. Nfxd4 {[%emt 0:01:43]} Nxd4 {[%emt 0:06:54]} 15. Bxd4 {[%emt 0:04:04]} Bxd4 {[%emt 0:03:51]} 16. Nxd4 {[%emt 0:00:43]} Nf4 {[%emt 0:06:30]} 17. Nf3 {[%emt 0:09:10]} c6 {[%emt 0:04:38]} 18. Bb3 {[%emt 0:02:38]} Bg4 {[%emt 0:01:26]} 19. Qd2 {[%emt 0:10:38] [#]} (19. Re3 $11 {bleibt in der Remisbreite.}) 19... Nh3+ $1 {[%emt 0:04:37]} 20. gxh3 {[%emt 0:04:08]} Bxf3 {[%emt 0:00:10]} 21. Bd1 {[%emt 0:01:36]} Qf6 {[%emt 0:02:04]} 22. Bxf3 {[%emt 0:01:20]} Qxf3 {[%emt 0:00:04]} 23. Qe3 {[%emt 0:01:17]} Qxe3 {[%emt 0:07:33]} (23... Qh5 $17 24. Qd3 Re6) 24. Rxe3 {[%emt 0:00:12]} f5 {[%emt 0:00:14]} 25. Rd1 {[%emt 0:02:42]} f4 {[%emt 0:01:32]} ({Of course not} 25... Rxe4 $6 26. Rxe4 fxe4 27. Rxd6 $14) 26. Red3 {[%emt 0:00:15]} Rxe4 {[%emt 0:05:25]} 27. Rxd6 {[%emt 0:00:10]} f3 {[%emt 0:02:44]} ({Better is} 27... Rxa4 $17 28. Rd7 b5) 28. R6d4 {[%emt 0:03:15]} Rfe8 {[%emt 0:02:50]} 29. Kf1 $17 {[%emt 0:00:42]} Re2 {[%emt 0:05:06]} 30. R4d3 {[%emt 0:04:14]} Rxb2 {[%emt 0:01:11]} 31. Rxf3 {[%emt 0:00:10]} Rf8 {[%emt 0:00:22]} 32. Kg2 {[%emt 0:01:23]} Rxf3 {[%emt 0:01:32]} 33. Kxf3 {[%emt 0:00:02]} Rb3 {[%emt 0:00:38]} 34. Rd3 {[%emt 0:02:31]} b5 {[%emt 0:00:25]} 35. axb5 {[%emt 0:00:37]} cxb5 {[%emt 0:00:08]} 36. Ke4 {[%emt 0:00:15]} a4 {[%emt 0:01:33]} 37. Rd8+ {[%emt 0:00:20]} Kf7 {[%emt 0:00:06]} 38. Kd4 {[%emt 0:00:06]} Rb2 {[%emt 0:01:28]} 39. Kc5 {[%emt 0:00:22]} a3 {[%emt 0:00:36]} 40. Ra8 {[%emt 0:00:07]} a2 {[%emt 0:00:06]} 41. f3 {[%emt 0:00:50]} Kf6 {[%emt 0:00:47]} 42. c4 {[%emt 0:00:38]} b4 {[%emt 0:01:03]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Moyses Sobrinho, Elias"]
[Black "Brito, Luismar"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1931"]
[BlackElo "2349"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,11,18,13,17,14,12,2,46,39,38,-24,-24,-22,-23,-21,-24,-27,-23,-106,-15,-15,-9,-22,8,-41,-35,-31,-31,-37,-52,-45,-35,-36,-37,-105,-87,-91,-46,-53,-22,-22,-22,-25,-25,-27,0,0,0,0,0,0,0,0,0,-352,-349,-442,-442,-435,-426,-1545,-1518,-5168,-5085,-4614,-4045]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 b6 5. Nf3 Bb7 6. e3 O-O 7. Be2 Bxc3 {E21: Nimzo-Indian: 4 Nf3} (7... c5 8. a3 Bxc3 9. Bxc3 Ne4 10. Rc1 Nxc3 11. Rxc3 d6 12. O-O {½-½ (12) Burmakin,V (2504)-Vorobiov,E (2561) Amantea 2018}) 8. Bxc3 Ne4 {LiveBook: 9 Games} 9. Bb4 d6 {The position is equal.} 10. O-O Nd7 11. Nd2 f5 $146 (11... a5 {with more complications.} 12. Ba3 Qg5 13. Nxe4 Bxe4 14. Bf3 Bxf3 15. Qxf3 Ra7) ({Predecessor:} 11... a5 12. Ba3 Nxd2 13. Qxd2 e5 14. Rac1 Qg5 15. d5 {0-1 (32) Podshivalin,G (1964)-Chernov,M (2200) Novokuznetsk 2014}) 12. Nxe4 fxe4 13. f4 (13. Bc3 $14) 13... exf3 $1 $11 14. Bxf3 Bxf3 15. Rxf3 Qh4 16. Qe1 Qe4 17. Qg3 {[#]} (17. Qb1 $11 {remains equal.} Qc6 18. Rxf8+ Rxf8 19. b3) 17... Rxf3 ({Black should try} 17... Qc2 $1 $17 18. Bc3 Rxf3 19. Qxf3 Rf8) 18. Qxf3 Nf6 19. Rf1 c5 20. Be1 cxd4 21. Qxe4 Nxe4 $15 {[%mdl 4096] Endgame KRB-KRN} 22. Rf4 d5 23. cxd5 exd5 24. exd4 Rc8 25. Bb4 (25. Rf5 $15) 25... h6 26. h3 Rc2 27. Ba3 Rd2 28. Rf8+ Kh7 29. Rf7 a5 {White must now prevent ...b5.} 30. Rb7 Rxd4 31. Bf8 Rd1+ 32. Kh2 Kg6 33. Rxg7+ Kf5 34. Rb7 h5 35. Be7 $2 {[%mdl 8192] [#]} (35. Rxb6 $11 {and White has nothing to worry.} d4 36. Rb5+ Ke6 37. Bg7 (37. Rxa5 h4 $11) (37. Rxh5 d3 $11)) 35... d4 $1 $19 {[%cal Bd5d4,Bd4d3,Bd3d2][%mdl 32]} 36. Rxb6 d3 {Black is clearly winning.} 37. Rb5+ Ke6 38. Bg5 (38. Rxa5 $142 d2 39. Bb4 Rh1+ 40. Kxh1 d1=Q+ 41. Kh2) 38... Nxg5 39. Rxg5 d2 40. Rg6+ Ke5 {Precision: White = 37%, Black = 61%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.15"]
[Round "2"]
[White "Chaves, Jorge Antonio Torre"]
[Black "Ferreira, Kleber Victor"]
[Result "1-0"]
[ECO "C48"]
[WhiteElo "1922"]
[BlackElo "2053"]
[Annotator "NA RC"]
[PlyCount "81"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,81,16,21,1,59,59,99,52,42,43,63,45,55,43,75,77,141,28,61,25,72,65,75,-13,22,-12,0,-17,139,147,157,16,91,40,77,62,75,75,84,45,69,0,109,104,359,238,217,88,264,87,97,63,183,147,157,46,42,38,45,6,42,14,57,0,293,293,319,275,1360,1374,29997,29998,29998,29999]} 1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:24]} Nf6 {[%emt 0:00:00]} 4. Bb5 {[%emt 0:00:09]} Nd4 {[%emt 0:00:15]} 5. Bc4 {[%emt 0:12:33]} c6 {[%emt 0:20:18] C48: Four Knights: 4 Bb5, replies other than 4...Bb4} (5... Bc5 6. d3 d6 7. Na4 b5 8. Nxd4 bxc4 9. Nf5 Bxf5 10. exf5 cxd3 11. Nxc5 dxc5 12. cxd3 Qd7 13. Qf3 O-O 14. Bg5 Rab8 {½-½ (30) Kovalev,V (2664)-Ragger,M (2686) Batumi 2018}) 6. O-O {[%emt 0:05:09]} d5 {[%emt 0:07:55]} (6... d6 $11) 7. exd5 $1 {[%emt 0:02:42]} cxd5 {[%emt 0:01:19] LiveBook: 3 Games} 8. Nxd4 {[%emt 0:03:16]} dxc4 {[%emt 0:00:49]} 9. Nf3 {[%emt 0:04:13]} Bd6 {[%emt 0:05:03]} 10. d3 {[%emt 0:07:04]} O-O $146 {[%emt 0:10:11]} ({Predecessor:} 10... Be6 11. Bg5 Qa5 12. dxc4 O-O-O 13. Qe2 {1-0 (35) Bagi,M (2443)-Kiremitciyan,A (2194) Prague 2017}) 11. Bg5 {[%emt 0:00:43]} h6 {[%emt 0:21:58]} 12. Bxf6 {[%emt 0:01:10]} gxf6 {[%emt 0:00:18]} (12... Qxf6 $142 13. dxc4 Rd8) 13. Nh4 {[%emt 0:01:37]} (13. dxc4 $16 Be6 14. Qd2) 13... f5 $1 {[%emt 0:00:56]} 14. g3 {[%emt 0:01:54]} Be6 {[%emt 0:06:05]} 15. Qf3 {[%emt 0:00:47]} cxd3 {[%emt 0:01:14]} 16. cxd3 {[%emt 0:00:45]} (16. Nxf5 $16 Qf6 17. g4 Bxf5 18. cxd3) 16... Qd7 {[%emt 0:02:07]} 17. Rfe1 {[%emt 0:09:53]} Rad8 {[%emt 0:03:53]} 18. Rad1 {[%emt 0:01:32]} Kh7 $2 {[%emt 0:02:33] [#]} ({Lieber} 18... f4 $11) 19. d4 $1 {[%emt 0:03:39]} e4 {[%emt 0:04:10]} 20. Qe3 {[%emt 0:03:24]} ({Lieber} 20. Qh5 $16) 20... Bc4 {[%emt 0:03:27] [#]} 21. Ng2 {[%emt 0:01:29]} (21. b3 $1 $16 {[%cal Rb3c4]} Ba6 22. Nd5) 21... Rg8 {[%emt 0:00:36]} 22. b3 {[%emt 0:00:49]} Bd3 {[%emt 0:01:12]} 23. Nd5 {[%emt 0:03:14]} Kg7 {[%emt 0:03:12]} 24. Rc1 {[%emt 0:07:47]} Bb5 {[%emt 0:00:43]} 25. Red1 {[%emt 0:00:58]} ({Günstiger ist} 25. a4 $14 Ba6 26. Rcd1) 25... Bc6 {[%emt 0:01:27] [#]} (25... Ba3 $11 {keeps the balance.} 26. Ngf4 Bxc1 27. Rxc1 Qd6) 26. Ndf4 $1 {[%emt 0:01:04]} Be7 $2 {[%emt 0:01:25]} (26... Qe7 $16) 27. Nh5+ {[%emt 0:05:21]} Kh7 {[%emt 0:00:09] [#]} 28. Ngf4 $2 {[%emt 0:02:14]} (28. d5 $1 $18 {ist der präzise Gewinnweg.}) 28... Bg5 {[%emt 0:00:20]} (28... Qd6 $16 {is a better defense.}) 29. Rc5 $2 {[%emt 0:02:33]} (29. d5 $1 $18 {[%cal Rd5c6] and the rest is easy.} Bb5 30. a4 (30. Qxa7 Ra8 $18)) 29... b6 {[%emt 0:00:14]} 30. Rc3 {[%emt 0:00:38]} Rc8 {[%emt 0:01:05]} (30... Qd6 $14) 31. Rdc1 {[%emt 0:01:45]} Bb7 {[%emt 0:00:31] [#]} 32. Rxc8 {[%emt 0:01:09]} (32. d5 $1 $16) 32... Rxc8 {[%emt 0:00:02]} 33. Rxc8 {[%emt 0:00:20]} Qxc8 {[%emt 0:00:14]} 34. h4 {[%emt 0:00:42]} (34. Qd2 $14) 34... Be7 {[%emt 0:00:02]} 35. Qd2 {[%emt 0:05:52]} a5 {[%emt 0:02:24]} 36. d5 {[%emt 0:01:57]} (36. Ng2 $16) 36... Bb4 $2 {[%emt 0:00:23] [#]} (36... Qh8 $1 $11 {and Black stays safe.}) 37. Nf6+ $1 {[%emt 0:06:37]} ({Less strong is} 37. Qd4 Qc3 $16) 37... Kh8 {[%emt 0:00:30]} 38. Qd4 $1 {[%emt 0:01:48]} Qc5 $2 {[%emt 0:01:25]} (38... Bc3 39. Qxb6 e3 40. fxe3 Be5) 39. Qe5 {[%emt 0:00:29]} Qc3 {[%emt 0:01:13]} 40. Qe8+ {[%emt 0:00:16]} Kg7 {[%emt 0:00:21]} 41. N4h5+ {[%emt 0:00:14]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Kruger, Israel"]
[Black "Larrea, Manuel"]
[Result "1/2-1/2"]
[ECO "B58"]
[WhiteElo "1877"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,39,41,40,62,41,39,18,70,0,24,0,68,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nf3 Be7 8. h3 h6 9. O-O O-O 10. Re1 Be6 11. Bf1 {B58: Classical Sicilian: 6 Be2} Qd7 12. Nd5 Bd8 13. c4 Nh7 14. b3 Ng5 15. Nxg5 {LiveBook: 5 Games} hxg5 16. Ba3 Nd4 17. Bb2 {[#]} Nc6 $146 ({Black should play} 17... Bxd5 $11 18. exd5 (18. cxd5 Ba5 $11) (18. Bxd4 Ba5 $11) 18... Bb6) ({Predecessor:} 17... Bxd5 18. Bxd4 Bc6 {1-0 (63) Brandenburg,D (2291)-Mchedlishvili,M (2518) Dieren 2004}) 18. Ba3 {Hoping for Bxd6.} Nd4 19. Bb2 Nc6 20. Ba3 (20. Be2 $14) 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Goncalves, Luiz Osvaldo Cifuen"]
[Black "Manzi, Luiz Antonio Bardar"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "1813"]
[BlackElo "2047"]
[Annotator "NA RC"]
[PlyCount "170"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,169,3,1,1,20,-9,-8,-31,17,19,31,0,0,0,0,-4,0,-19,-20,-34,-4,-67,-13,-71,-55,-83,-56,-44,-29,-40,0,0,0,-69,-8,-70,-31,-32,-39,-71,-58,-106,-52,-74,-35,-70,-58,-81,-51,-64,-53,-102,-85,-86,-122,-146,-108,-125,-113,-122,-112,-252,-196,-235,32767,32767,32767,-226,-291,-337,-189,-216,-146,-206,-230,-231,-114,-191,-9,-16,-15,-17,0,-170,-184,-241,-114,-259,-351,-391,-504,-357,-483,-441,-602,-719,-719,-677,-374,-454,-62,-108,0,-8,0,0,473,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,-12851,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,-12851,-11235,-29980,-29983,-29985,-29982,-29982,-29981,-29994,-29995,-29999]} 1. e4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} e5 {[%emt 0:00:52]} 3. Bc4 {[%emt 0:00:05]} Bb4 {[%emt 0:01:10]} 4. d3 {[%emt 0:00:16]} O-O {[%emt 0:00:49]} 5. Nf3 {[%emt 0:00:15] LiveBook: 9 Partien} c6 {[%emt 0:01:45]} 6. O-O {[%emt 0:00:18]} d5 {[%emt 0:01:01] C42: Russische Verteidigung (Petrow)} (6... d6 7. a3 Ba5 8. Ba2 Be6 9. Ne2 Nbd7 10. Ng3 Re8 11. Nh4 d5 12. Nhf5 Nf8 13. Qf3 dxe4 14. dxe4 Bxa2 15. Rxa2 {1-0 (27) Aronian,L (2648)-Rabiega,R (2527) playchess.com INT 2004}) 7. exd5 {[%emt 0:00:44]} cxd5 {[%emt 0:00:08]} 8. Bb3 $1 {[%emt 0:00:20]} Bxc3 {[%emt 0:03:06]} 9. bxc3 {[%emt 0:00:11]} Nc6 {[%emt 0:01:15]} 10. h3 {[%emt 0:00:44]} h6 $146 {[%emt 0:01:51]} ({Vorgänger:} 10... Bf5 11. Bg5 Qd6 12. Bxf6 Qxf6 13. Bxd5 Rad8 14. Bxc6 bxc6 {1-0 (39) Braskin,I-Hofmann,W ICCF corr 1990}) 11. Re1 {[%emt 0:00:20]} Re8 {[%emt 0:01:47]} 12. Ba4 {[%emt 0:01:56]} Qd6 {[%emt 0:02:20]} 13. d4 {[%emt 0:07:05]} e4 {[%emt 0:02:38]} 14. Ne5 {[%emt 0:00:25]} Nd7 {[%emt 0:03:05]} 15. f4 {[%emt 0:03:39]} Nb6 {[%emt 0:01:50]} (15... exf3 $5 16. Nxf3 Nf6 $11) 16. Bb3 {[%emt 0:00:54]} f6 {[%emt 0:03:02]} 17. Ng4 {[%emt 0:00:28]} Bxg4 {[%emt 0:00:52]} 18. Qxg4 {[%emt 0:00:15]} Na5 {[%emt 0:02:58]} 19. f5 {[%emt 0:01:16]} Kf8 {[%emt 0:01:28]} (19... Kh8 $17) 20. Bf4 {[%emt 0:01:41]} Qd7 {[%emt 0:00:45]} 21. Qg6 {[%emt 0:01:25]} ({Better is} 21. Re3 $1 $11) 21... Qf7 {[%emt 0:03:11]} (21... Nbc4 $15) 22. Qg3 {[%emt 0:07:10]} (22. Qxf7+ $11 Kxf7 23. Rab1) 22... Nac4 {[%emt 0:02:01]} 23. a4 {[%emt 0:00:50]} a5 {[%emt 0:01:44]} 24. Bd6+ {[%emt 0:00:48]} Kg8 {[%emt 0:00:30]} 25. Bf4 {[%emt 0:00:50]} Qh5 {[%emt 0:00:58]} 26. Rf1 {[%emt 0:02:32]} Rac8 {[%emt 0:00:29]} 27. Rae1 {[%emt 0:03:16]} Rc6 {[%emt 0:01:37]} 28. Qh2 {[%emt 0:02:47]} Rec8 {[%emt 0:01:41]} 29. g4 {[%emt 0:00:13]} Qe8 {[%emt 0:01:33]} 30. Qe2 {[%emt 0:02:20]} Qd7 {[%emt 0:01:35]} 31. Qg2 {[%emt 0:02:36]} Kh8 {[%emt 0:02:26]} 32. Kh1 {[%emt 0:00:28]} Nb2 {[%emt 0:01:12]} 33. Ra1 {[%emt 0:05:11]} Rxc3 {[%emt 0:00:58]} 34. Bd2 {[%emt 0:00:19] [#]} R3c6 $1 {[%emt 0:01:32]} ({Much worse is} 34... N2xa4 $6 35. Bxc3 Nxc3 36. Rxa5 $15) 35. Bxa5 {[%emt 0:00:17]} (35. Bf4 $17) 35... N2c4 {[%emt 0:00:44]} 36. Bxb6 (36. Bd2 {[%emt 0:01:30]}) 36... Nxb6 37. Qd2 {[%emt 0:01:41]} Nc4 {[%emt 0:00:24]} 38. Qe1 {[%emt 0:05:50]} Qd6 {[%emt 0:01:56]} 39. a5 {[%emt 0:00:27]} Ra6 {[%emt 0:03:00]} (39... Na3 $142 40. c4 Nxc4) 40. Kg2 {[%emt 0:02:13]} Qc6 {[%emt 0:01:15]} 41. Ba4 {[%emt 0:01:23]} Qc7 {[%emt 0:00:19]} 42. Bb3 {[%emt 0:01:16]} Rca8 {[%emt 0:00:48]} (42... Kh7 $19 43. Rf2 Qd8) 43. Rf2 {[%emt 0:01:19]} (43. Qe2 $17 {is a better defense.}) 43... Rxa5 $2 {[%emt 0:01:29]} (43... b6 $19 44. Qe2 b5) 44. Rxa5 {[%emt 0:00:14]} Qxa5 {[%emt 0:00:51]} 45. Qxa5 {[%emt 0:00:38]} Rxa5 {[%emt 0:00:15]} 46. Re2 $2 {[%emt 0:00:35]} (46. Bxc4 $1 $11 {and White stays safe.} dxc4 47. Re2) 46... b5 {[%emt 0:00:25]} 47. Kf2 {[%emt 0:01:15]} (47. Re1 {war einen Versuch wert.}) 47... Kg8 {[%emt 0:00:13]} (47... Ra1 $19 {has better winning chances.} 48. Re1 Ra3) 48. Bxc4 {[%emt 0:00:51]} (48. Re1 $17) 48... bxc4 {[%emt 0:00:08]} 49. Kg3 {[%emt 0:03:20]} (49. c3 $142) 49... Ra3+ {[%emt 0:00:16]} 50. Kh4 {[%emt 0:00:04]} Rc3 {[%emt 0:00:45]} 51. Rh2 {[%emt 0:01:11]} Kf7 {[%emt 0:01:08]} 52. Kh5 {[%emt 0:00:12]} Rf3 {[%emt 0:00:46]} 53. h4 {[%emt 0:00:09]} e3 {[%emt 0:01:08]} (53... c3 $142 54. Rg2 {[#]} Rd3 $1 {[%mdl 512]}) 54. Re2 {[%emt 0:00:20]} Rf4 $2 {[%emt 0:01:33]} (54... Rg3 $19 55. c3 Kf8) 55. Rxe3 {[%emt 0:00:58]} Rxd4 {[%emt 0:00:10]} 56. Ra3 {[%emt 0:00:31]} Kg8 {[%emt 0:01:15]} 57. g5 {[%emt 0:00:47]} fxg5 $2 {[%emt 0:02:25] [#]} (57... hxg5 $11 {and Black stays safe.} 58. Kg6 Kf8 59. hxg5 Rg4 60. Ra8+ Ke7 61. Ra7+ Kd6 62. Rxg7 Rxg5+ 63. Kxf6 Rh5) 58. hxg5 $2 {[%emt 0:00:19]} (58. Kg6 $1 $18 {[%cal Ra3a8]} Kf8 59. Ra8+ Ke7 60. Kxg7) 58... hxg5 {[%emt 0:00:51]} 59. Kg6 {[%emt 0:00:13]} Kf8 {[%emt 0:00:09]} 60. Ra8+ {[%emt 0:00:03]} Ke7 {[%emt 0:00:12]} 61. Kxg7 {[%emt 0:00:47]} Rf4 {[%emt 0:00:28]} 62. Ra7+ {[%emt 0:02:24]} Kd6 {[%emt 0:00:09]} 63. f6 {[%emt 0:00:22]} Ke5 {[%emt 0:00:17]} 64. f7 {[%emt 0:00:38]} Kd4 {[%emt 0:00:06]} 65. Ra3 {[%emt 0:00:39]} Ke4 {[%emt 0:01:38]} 66. f8=Q Rxf8 {[%emt 0:00:17]} 67. Kxf8 {[%emt 0:00:40]} d4 {[%emt 0:00:12]} 68. Ra4 {[%emt 0:01:01]} c3 {[%emt 0:00:06]} 69. Kf7 {[%emt 0:00:32]} g4 {[%emt 0:00:38]} 70. Ra1 {[%emt 0:01:00]} d3 {[%emt 0:02:30]} 71. Re1+ {[%emt 0:00:40]} Kd4 {[%emt 0:00:07]} 72. cxd3 {[%emt 0:00:18]} Kxd3 {[%emt 0:00:08]} 73. Rg1 {[%emt 0:00:04]} c2 {[%emt 0:00:11]} 74. Rg3+ $2 {[%emt 0:01:37]} (74. Kg6 $11) 74... Kd2 {[%emt 0:00:09]} 75. Rg2+ {[%emt 0:00:24]} Kc3 {[%emt 0:00:06]} 76. Rxg4 c1=Q {[%emt 0:00:13]} 77. Rg6 {[%emt 0:01:13]} Kd4 {[%emt 0:00:21]} 78. Rd6+ {[%emt 0:00:22]} Ke5 {[%emt 0:00:13]} 79. Re6+ {[%emt 0:00:19]} Kd5 {[%emt 0:00:09]} 80. Rf6 {[%emt 0:01:44]} Qg5 {[%emt 0:00:17]} 81. Rf1 {[%emt 0:03:16]} Qh5+ {[%emt 0:00:40]} 82. Kf8 {[%emt 0:00:15]} Kd6 {[%emt 0:03:18]} 83. Rf6+ {[%emt 0:00:47]} Kd7 {[%emt 0:00:47]} 84. Rf7+ {[%emt 0:02:48]} Ke6 {[%emt 0:00:11]} 85. Rf1 {[%emt 0:00:43]} Qh8# {[%emt 0:00:08] Rf7 Kd7# Rf6 Qh5 Rg6 Qh8+} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.14"]
[Round "2"]
[White "Bomfim, Carlos Bruno Campos"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,112,-3,10,1,21,-6,37,-12,10,3,0,9,14,14,8,-44,14,0,3,1,8,-27,-23,-63,-67,-109,-93,-106,-56,-71,-66,-61,-52,-77,-71,-188,-187,-271,-206,-218,-158,-172,-145,-170,-134,-146,-129,-146,-153,-227,-162,-177,-208,-252,-233,-451,-437,-404,-395,-485,-405,-285,-248,-295,-298,-404,-396,-414,-394,-418,-435,-420,-428,-418,-410,-417,-407,-381,-316,-569,-569,-516,-397,-487,-446,-650,-631,-802,-815,-1097,-1008,-1113,-1126,-951,-863,-908,-867,-29985,-29986]} 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Nc3 Nc6 7. d3 e5 8. a3 h6 {LiveBook: 106 Games} 9. Qc2 {A26: English Opening vs King's Indian with ...Nc6 and d3} (9. Nd2 Ne7 10. b4 c6 11. e4 Be6 12. Bb2 Rc8 13. Ne2 Qd7 14. d4 Rfd8 15. Qc2 Bh3 16. Rad1 Bxg2 17. Kxg2 exd4 18. Bxd4 {1-0 (55) Topalov,V (2761)-Aronian,L (2792) Leuven 2016}) 9... Be6 10. e4 $146 ({Predecessor:} 10. b4 a5 11. b5 Ne7 12. Bd2 Qd7 13. Rfd1 c6 14. Na4 Qc7 15. Rab1 cxb5 16. Rxb5 {1-0 (32) Redondo Maguregui,J (1694)-Espadina Solano,J (1895) Benidorm 2010}) 10... Qd7 11. Be3 {White is slightly better.} Bh3 12. Qd2 Bxg2 13. Kxg2 Kh7 14. h3 Rae8 15. Ne2 (15. Rae1 $11) 15... Nd8 (15... Ng8 $15) 16. Rad1 (16. Bxa7 b6 $17) 16... b6 17. b4 c6 {[%cal Bc7c6,Bc6d5][%mdl 32]} 18. Nh4 d5 {Strongly threatening ...d4.} 19. cxd5 cxd5 {Hoping for ...d4.} 20. f3 Ne6 21. Qb2 Qb7 22. Qb1 Rd8 {[%cal Be8d8,Bd8d7,Bd7c7][%mdl 32]} 23. Kh2 Rd7 24. Ng2 Rfd8 25. h4 {[#]} (25. b5 $17) 25... Qa6 $1 $19 26. exd5 (26. Rc1 {keeps fighting.}) 26... Nxd5 ({Don't do} 26... Rxd5 27. Ne1 $19) 27. Bc1 Qa4 28. h5 Rc7 29. Rd2 Nd4 ({Inferior is} 29... gxh5 30. d4+ Kg8 31. dxe5 $11) 30. hxg6+ fxg6 31. Nxd4 exd4 32. Qa2 (32. Rdf2 $17 {was necessary.}) 32... Qd7 33. Rdf2 Qf5 34. Qd2 Rc3 35. Ne1 $2 (35. Qa2) 35... Ne3 36. Rh1 Rf8 37. Kg1 Qg5 38. Rh3 a5 39. bxa5 bxa5 ({Resist} 39... Qxa5 40. Bb2 $17) 40. Rfh2 Qc5 41. Bb2 Rb3 42. Qc1 Qxc1 43. Bxc1 Rb1 44. Bd2 Rxf3 {[%csl Ge3][%cal Rf3f1] [#]} 45. Rf2 Rxf2 46. Kxf2 Rb2 47. Ke2 $2 (47. Nf3 {is the only way for White.}) 47... g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 48. Rh1 Kg6 49. Nf3 Nf5 50. Rg1 (50. Kd1 $142 Nxg3 51. Rg1) 50... g4 51. Nh2 h5 52. Nf1 a4 53. Kd1 Bf8 54. Bc1 Rb3 55. Kc2 Rc3+ 56. Kd2 Bh6+ {Precision: White = 29%, Black = 57%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Rodriguez Vila, Andres"]
[Black "Romanishin, Oleg M"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2482"]
[BlackElo "2435"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,79,0,7,0,21,20,18,18,44,27,45,17,17,0,7,0,0,0,0,0,0,0,0,-33,16,-31,-20,-33,-42,-45,-4,0,0,-16,-23,-70,0,0,0,-79,-81,-83,-75,-71,-74,-155,-187,-227,-210,-220,-212,-268,-211,-216,-160,-177,-118,-148,-137,-123,0,0,0,-141,0,0]} 1. e4 c5 2. Nf3 e6 3. Qe2 Nc6 4. g3 d6 5. Bg2 Nf6 6. O-O Be7 7. c3 e5 {C00: French: Unusual White 2nd moves} 8. Na3 O-O {LiveBook: 20 Games} 9. Nc4 Na5 $146 ({Predecessor:} 9... Re8 10. d3 Be6 11. Ng5 Bg4 12. f3 Bh5 13. g4 Bg6 14. Nh3 d5 15. Ne3 {1-0 (45) Naiditsch,A (2706)-Wojtaszek,R (2716) Poznan 2014}) 10. Nxa5 Qxa5 11. d4 cxd4 12. cxd4 Bd7 13. Bd2 Qb6 14. Rfd1 exd4 15. Bf4 Bb5 16. Qe1 d3 17. Be3 Qd8 18. Nd4 Ba6 $1 19. Nf5 Ng4 20. Nxe7+ (20. b4 {looks sharper.} Bf6) 20... Qxe7 21. Bd4 Rfe8 22. a4 Nf6 {[%cal Rf6e4]} 23. b4 Bc4 {[%cal Rf6e4]} 24. Qc3 Rac8 25. Re1 {[#]} Ba6 (25... a5 $1 $15 {[%mdl 512]}) 26. Bxf6 $11 gxf6 ({Don't blunder} 26... Rxc3 $2 27. Bxe7 Rxe7 28. b5 $18) 27. Qd2 (27. Qd4 $11 {keeps the balance.} Rc4 28. Qxd3 Rxb4 29. Qd2) 27... Rc2 $36 {[%mdl 2048] Black is on the roll.} 28. Qd1 Bc4 {Threatens to win with ...d5.} 29. Bf1 Rc3 30. Bh3 {[#]} (30. Qf3 $142) 30... Qe5 $1 31. Bd7 Rd8 32. Bf5 Rc2 33. Rb1 h6 34. Re3 Qc3 35. Kg2 Qd2 (35... Ra2 $19 36. Rf3 Qc2 37. Qxc2 Rxc2) 36. Qg4+ Kf8 37. Qf4 Kg7 ({Black should play} 37... h5 $17 {Strongly threatening ...h4!} 38. h4 Ra2) 38. Qg4+ $1 $11 Kf8 (38... Kh8 $11 39. Qf3 Kg7) 39. Qf4 $1 $17 Kg7 ({Better is} 39... h5 $17 {White must now prevent ...h4!} 40. Qf3 a6) 40. Qg4+ $1 {Precision: White = 57%, Black = 54%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Hoffman, Alejandro"]
[Black "Von Buelow, Georg"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2479"]
[BlackElo "2354"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,81,13,18,48,45,42,14,47,0,25,-9,0,0,0,0,8,8,11,4,4,18,12,14,40,7,2,0,8,10,13,0,0,0,13,0,19,19,19,19,19,27,23,26,33,0,0,-147,-82,-5222,-5221,-29989,-29990,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Qa5 9. Nd2 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} cxd4 (9... Bd7 10. Rb1 Ba4 11. Qxa4+ Qxa4 12. Bb5+ Qxb5 13. Rxb5 b6 14. dxc5 Nd7 15. Ke2 Bxc3 16. Nb3 O-O {½-½ (28) Navara,D (2741)-Vachier Lagrave,M (2779) Biel 2018}) 10. Nc4 Qd8 11. cxd4 {[%cal Bc3d4,Bd4d5][%mdl 32]} O-O 12. Rc1 {LiveBook: 16 Games} Nc6 {[%cal Rc6d4]} 13. d5 Ne5 $146 ({Predecessor:} 13... Na5 14. Qd2 Nxc4 15. Bxc4 Re8 16. O-O e6 {1-0 (25) Filip,L (2464)-Pisu,R (2031) Baile Olanesti 2013}) 14. Nxe5 Bxe5 15. Qd2 Bc7 {[#] Threatens to win with ...Ba5.} 16. Bd4 Ba5 17. Bc3 Bxc3 18. Rxc3 Bd7 19. Be2 Rc8 20. Rxc8 Qxc8 21. O-O Qc5 22. Rc1 Qb6 23. h4 Rc8 24. Rxc8+ Bxc8 25. e5 Bd7 26. h5 Qb1+ $1 27. Kh2 $1 Qf5 28. Qe3 gxh5 29. Bd3 Qg4 30. Qxa7 Qf4+ 31. g3 Qxe5 32. Qxb7 Bg4 33. Qb1 Bf3 34. Bc4 (34. Qc1 $11 {keeps the balance.}) 34... h4 $1 $17 {[%cal Rh4g3] [#] White must now prevent ...hxg3+.} ({Much weaker is} 34... Bxd5 $6 35. Qb5 $11) 35. Qd3 $2 {[%mdl 8192]} (35. Qf1 $17) 35... hxg3+ $19 36. fxg3 Qb2+ {Black mates.} 37. Kh3 Qg2+ 38. Kh4 Qh2+ 39. Kg5 Qxg3+ 40. Kf5 Qg4+ 41. Ke5 f6# {Precision: White = 24%, Black = 61%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Perdomo, Leandro"]
[Black "Di Berardino, Diego Rafael"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "2476"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,65,-8,-5,-6,-10,-6,-16,-7,-7,0,4,0,-7,0,0,0,-27,0,0,22,30,8,-4,0,-21,-19,-48,-16,-11,0,0,0,0,26,26,55,39,39,-10,179,182,227,40,40,28,18,36,35,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. Nge2 Nc6 8. d5 {E81: King's Indian: Sämisch: 6th move deviations (including 6 Be3 c6)} Na5 9. Nc1 e6 10. Be2 {LiveBook: 8 Games. The position is equal.} a6 11. O-O exd5 12. cxd5 b5 13. Nb3 {[#]} Re8 $146 ({Predecessor:} 13... Nd7 14. Nxa5 Qxa5 15. Qd2 Re8 {0-1 (42) Dreev,A (2677)-Grischuk,A (2763) Astana 2012}) 14. Nxa5 Qxa5 15. a3 Rb8 16. Qd2 Nd7 17. Kh1 Qc7 18. a4 {[%cal Ra4b5]} c4 19. axb5 axb5 20. Ra7 Qd8 $1 21. Na2 Nc5 22. Nb4 Bd7 23. Na6 Nxa6 24. Rxa6 Bc8 25. Rc6 $36 {[%mdl 2048] White has good play.} Bb7 26. Rb6 Qd7 27. Bf4 Qc7 28. Rxd6 Re5 $2 {[#]} (28... Be5 $11 {and Black stays safe.} 29. Bxe5 Rxe5) 29. Qb4 $18 Rbe8 {Black wants to play ...Bf8.} 30. Qxb5 $2 (30. Bxe5 $18 Rxe5 31. Qxb5 Qxd6 32. Qxb7) 30... Qxd6 $14 31. Qxe8+ Rxe8 32. Bxd6 Bxd5 $1 33. Ba3 {Accuracy: White = 45%, Black = 35%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Roselli Mailhe, Bernardo"]
[Black "Matsuura, Everaldo"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2421"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,63,50,50,47,42,54,52,54,35,60,44,61,47,110,104,148,141,154,147,180,179,162,185,252,254,355,325,362,344,648,645,639,629,731,720]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Qxd2 Bb7 7. e3 O-O 8. Be2 d6 9. O-O Nbd7 10. b4 a5 11. Bb2 Qe7 12. Rfd1 Ne4 13. Qc2 f5 14. d5 {E14: Queen's Indian: Classical Variation (4 e3)} e5 15. Nd2 Nxd2 16. Qxd2 {LiveBook: 3 Games. White is slightly better.} Rf6 $146 ({Predecessor:} 16... Nf6 17. Qc2 Kh8 18. Bc3 axb4 19. axb4 b5 20. Rxa8 Bxa8 {1-0 (42) Gajewski,G (2601)-Nestorovic,N (2381) Plovdiv 2008}) 17. f4 Rh6 {White should prevent ...Qh4.} 18. Bd3 Rf8 19. Rf1 Bc8 20. Rae1 Nf6 21. h3 Nh5 (21... e4 $14 22. Be2 a4) 22. bxa5 Ng3 23. Rf2 bxa5 24. Qxa5 Rg6 25. fxe5 dxe5 26. Qb4 Qe8 (26... c5 $142 27. dxc6 Qc7) 27. c5 $18 {[%cal Bc4c5,Bc5d6][%mdl 32]} Ba6 28. Bxa6 Rxa6 29. d6 {[#] Strongly threatening Qc4+.} Kh8 $2 (29... Ra8 30. dxc7 Rc8) 30. Rd1 {White is clearly winning.} cxd6 31. cxd6 Qh5 32. Rd5 {Accuracy: White = 73%, Black = 41%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Brito, Luismar"]
[Black "Chang, Suzana"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2349"]
[BlackElo "1968"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,0,7,-7,6,-11,8,0,0,-16,10,-3,11,-13,16,0,21,12,15,-47,63,50,58,40,81,14,60,27,41,44,59,49,66,40,45,4,98,41,68,57,58,45,145,8,174,58,50,78,128,-27,15,0,92,70,114,128]} 1. b3 e5 2. Bb2 Nc6 3. e3 d6 4. c4 g6 5. Nc3 (5. Nf3 Bg7 6. Be2 Nf6 7. d4 O-O 8. O-O Bf5 9. h3 h6 10. a3 Re8 11. d5 Nb8 12. Nc3 Ne4 13. Nxe4 Bxe4 14. Nd2 Bf5 15. b4 a5 16. Bc3 {1-0 (25) Karjakin,S (2763)-Gelfand,B (2695) Moscow 2018}) 5... Bg7 {LiveBook: 17 Games} 6. h4 {A01: Nimzowitsch-Larsen Opening} h6 7. Be2 f5 $146 ({Predecessor:} 7... Nge7 8. d3 Be6 9. Qd2 d5 10. Bf3 Qd7 11. cxd5 Nxd5 12. Na4 b6 {½-½ (32) Nikolaidis,M (1985)-Alexakis,G (1802) Nikaia 2014}) 8. d3 {The position is equal.} Nf6 9. Qd2 a6 10. Bf3 Rb8 11. Nge2 Bd7 12. g3 O-O 13. Nd5 Ne7 14. Bg2 (14. Nxf6+ $11 Bxf6 15. Bg2) 14... c6 (14... Nexd5 $15 15. cxd5 Qe8) 15. Nxf6+ $14 Bxf6 16. f4 c5 17. Nc3 ({Better is} 17. d4 $16) 17... Bc6 18. e4 h5 19. O-O-O Bg7 20. Kb1 Bd7 21. fxe5 dxe5 22. Nd5 Nc6 (22... Nxd5 $1 $11 {keeps the balance.} 23. exd5 (23. cxd5 Qe7 $14) 23... f4) 23. Rdf1 (23. exf5 $16 Bxf5 24. Ne3) 23... Be6 24. exf5 Bxf5 25. Be4 Nd4 {[#]} (25... Qd7 $14) 26. Bxd4 (26. Bxf5 $1 $16 Rxf5 27. Bxd4 Rxf1+ 28. Rxf1 cxd4 29. Qe2) 26... cxd4 $2 (26... Bxe4 $11 27. dxe4 exd4) 27. Qe2 ({Only move:} 27. Bxf5 $18 gxf5 28. Rh2) 27... Bg4 28. Qe1 Bf5 29. Qb4 $2 (29. Bxf5 $16 gxf5 30. Rh2) 29... Kh7 30. Qd2 Qd6 (30... Kg8 $11) 31. Bxf5 $16 gxf5 32. Qg5 {Accuracy: White = 17%, Black = 19%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Menna Barreto, Felipe Kubiaki"]
[Black "Galego, Luis"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2342"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,22,37,39,29,6,39,42,42,8,83,43,29,41,44,30,35,44,51,18,3,10,71,0,0,-35,-43,-88,0,-33,-6,-43,-52,-52,-67,-66,-51,-59,-71,-66,-46,-32,-35,-70,-72,-52,-8,-529,-518,-509,-504,-998,-635,-608,-491]} 1. d4 Nf6 2. Nf3 d6 3. c4 Bg4 4. Nbd2 Nbd7 5. h3 Bh5 {LiveBook: 4 Games} 6. g4 {A53: Old Indian Defence without Nf3} (6. Qb3 Rb8 7. e4 e5 8. Qe3 a5 9. Bd3 Be7 10. O-O O-O 11. b3 c6 12. Bb2 Qc7 {0-1 (34) Karpov,A (2615)-Seirawan,Y (2643) Saint Louis 2012}) 6... Bg6 7. g5 $146 ({Predecessor:} 7. Bg2 e5 8. O-O Be7 9. e3 O-O 10. Re1 c6 11. Nh4 Re8 12. Nxg6 hxg6 {½-½ (53) Budrewicz,K (2221)-Szymanski,P (2249) Zabrze 2015}) 7... Ne4 (7... Nh5 {is more complex.} 8. Qb3 e5 9. Qxb7 Be7 10. h4 O-O) 8. h4 {White is slightly better.} Nxd2 9. Nxd2 {[#] And now h5 would win.} h5 (9... h6 $11 {keeps the balance.}) 10. Bg2 c6 11. O-O e5 12. d5 cxd5 13. Bxd5 Qc8 14. e3 Nb6 15. Bg2 Bd3 (15... Qg4 $11) 16. b3 (16. Re1 $16) 16... Bxf1 $11 17. Kxf1 Qg4 {[%cal Rg4d1]} 18. Bf3 Qd7 (18... Qxh4 $17 {aiming for ...Be7.} 19. Bxb7 Rd8 20. Bc6+ Nd7) 19. Ne4 Be7 20. a4 d5 21. cxd5 Nxd5 {[%cal Bb6d5,Bd5b4,Bb4d3][%mdl 32]} 22. Bb2 Rd8 $1 23. Kg2 Qe6 24. Qe2 a6 25. Bxh5 Nb4 26. Qf3 Nd3 27. Bc3 Qd5 {White must now prevent ...Rxh5!} 28. Rd1 $2 {[%mdl 8192] [#]} (28. Ba5 $11 Rxh5 29. Bxd8 Kxd8 30. Qxh5 Qxe4+ 31. Qf3 Qxf3+ 32. Kxf3) 28... Rxh5 $1 $19 {[%mdl 576] Deflection. Black is clearly winning.} 29. Qxh5 Qxe4+ 30. Kg1 (30. Kg3 $142) 30... g6 31. Qe2 Nc5 {Accuracy: White = 33%, Black = 55%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Larrea, Manuel"]
[Black "Torella, Rodolfo"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2271"]
[BlackElo "2036"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,119,39,58,0,2,-8,-13,-67,-37,-31,-30,-33,-10,-35,4,-62,-1,-15,20,7,39,0,103,106,202,58,67,73,70,56,64,71,115,83,77,100,133,96,129,49,134,83,131,134,141,49,38,41,156,144,131,134,162,68,70,72,66,43,71,62,61,70,70,57,89,73,95,95,100,94,219,214,171,167,155,98,83,79,134,129,185,128,160,135,431,415,406,361,519,473,454,427,515,451,597,522,495,466,29964,6406,29981,29982,29986,29979,29986,29981,29982,29983,29983,29984]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 Bb4 7. Nd6+ {B33: Sicilian: Pelikan and Sveshnikov Variations} (7. a3 $14 Bxc3+ 8. Nxc3) (7. a3 Bxc3+ 8. Nxc3 d6 9. Bd3 O-O 10. O-O h6 11. b4 Be6 12. Kh1 Rc8 13. Bd2 d5 14. exd5 Nxd5 15. Nxd5 Qxd5 {1-0 (56) Medina,W (2375)-Nguyen,T (2265) Ashkhabad 2017}) 7... Ke7 $11 8. Nf5+ Kf8 9. Ng3 (9. Bd3 $11) 9... d5 10. exd5 Nxd5 11. Bd2 Nxc3 12. bxc3 Be7 13. Bd3 {[#]} (13. Bc4 $11) 13... Bg5 (13... h5 $1 $15 {[%mdl 512]}) 14. O-O Bxd2 $146 ({Predecessor:} 14... g6) 15. Qxd2 f5 16. Rfe1 a6 (16... e4 $11) 17. Rad1 $36 {[%mdl 2048] Black is under strong pressure.} Qf6 (17... f4 $16 {was called for.}) 18. Bc4 (18. f4 $1 $18) 18... g6 $1 $14 19. Qh6+ $1 Qg7 20. Qc1 {And now Rd6 would win.} Qe7 21. Bd5 Bd7 22. Qh6+ Qg7 23. Qe3 h5 24. Qb6 Be8 25. h4 (25. f4 $16) 25... Qe7 (25... Rc8 $14) 26. Nf1 (26. Ne2 $142) 26... Rc8 27. Nh2 {[%cal Bf1h2,Bh2f3,Bf3g5][%mdl 32]} Bf7 28. Bxf7 ({White should try} 28. Nf3 $16) 28... Kxf7 29. Nf3 e4 {[#]} ({Black should play} 29... Rhd8 $14) 30. Ng5+ $1 $16 Kg7 31. f3 Rhd8 {[#] Threatening ...Rxd1.} 32. Rxd8 ({Resist} 32. fxe4 $6 Rxd1 33. Rxd1 fxe4 $14) (32. Rb1 $1 $18) 32... Rxd8 $14 33. fxe4 fxe4 34. Qe3 Re8 35. Rf1 Rf8 36. Rxf8 Kxf8 37. Qxe4 Qxe4 38. Nxe4 {[%mdl 4096] Endgame KN-KN} Ke7 39. Kf2 b6 40. Ke3 Ke6 (40... Ne5 $16 {might work better.}) 41. Kf4 $18 a5 42. Nd2 Ne5 43. Ke4 (43. c4 $142) 43... Kd6 $16 44. Nb3 a4 (44... Nf7 $142) 45. Nd2 Ng4 (45... Ke6 $16 46. Kd4 Nd7) 46. Kd4 (46. Kf4 $18) 46... Kc6 47. Nc4 {Hoping for Ne5+.} Nf6 $2 {[%mdl 8192]} (47... b5 $16 48. Ne5+ Nxe5 49. Kxe5 Kc5) 48. Ne5+ $18 Kd6 49. Nxg6 Kc6 (49... Ke6 $142 50. c4 a3) 50. Ne5+ Kd6 51. c4 Ne8 52. Nd3 Ng7 53. Nf4 Nf5+ 54. Ke4 Nxh4 (54... Ng3+ $18 55. Kf3 Nf5) 55. g3 {[%mdl 64] Trapped Piece} Kc5 56. gxh4 {White mates.} Kxc4 57. a3 Kc3 58. Nd5+ Kxc2 59. Nxb6 Kb3 60. Kf5 {Accuracy: White = 59%, Black = 22%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Barreto, Ignacio C. De Barro"]
[Black "Urquiza, Marcello de Albuque"]
[Result "1/2-1/2"]
[ECO "D29"]
[WhiteElo "2222"]
[BlackElo "2018"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,96,0,-13,35,19,27,20,31,23,15,11,62,7,7,9,18,0,43,6,45,35,26,13,21,6,10,8,8,8,22,15,13,21,20,19,404,65,397,382,354,87,87,69,70,39,42,36,49,49,49,49,49,49,56,49,49,34,34,34,34,34,34,34,34,34,34,34,34,34,34,34,34]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7 9. a4 Nbd7 10. Rd1 Qb8 {D29: Queen's Gambit Accepted: Classical main line: 7 Qe2 with early ...Nbd7} (10... b4 11. Nbd2 Be7 12. Nc4 O-O 13. Bd2 Bd5 14. Rac1 Qc7 15. Be1 Rac8 16. Ncd2 Qb7 17. Bc4 Bxc4 18. Nxc4 Rfd8 19. Na5 Qb6 20. Nc4 Qb7 21. Na5 Qb6 22. Nc4 Qb7 {½-½ (22) Li,C (2732)-Ponomariov,R (2694) Riadh 2017}) 11. axb5 axb5 12. Rxa8 Bxa8 13. Nc3 b4 14. Na4 {LiveBook: 6 Games} Bd6 15. dxc5 Bxc5 16. Nxc5 Nxc5 17. Bc4 O-O {Threatens to win with ...Ng4.} 18. Nd4 {[#]} Rd8 $146 (18... Rc8 $11) ({Predecessor:} 18... Rc8) 19. Nb3 (19. f3 $14) 19... Nxb3 $11 20. Bxb3 h5 (20... Rc8 {is interesting.} 21. Bd2 Bd5 22. Bxd5 Nxd5 23. e4 Ne7) 21. f3 (21. Rxd8+ {seems wilder.} Qxd8 22. Bd2 Ng4 23. h3 Ne5 24. Bxb4 Qb8 25. Bc3) 21... Rxd1+ 22. Qxd1 (22. Bxd1 {feels hotter.} Nd5 23. Qc4 Bb7 24. Be2 Qd6 25. Bf1) 22... Qb6 23. Bd2 Bd5 24. Bc2 b3 25. Bb1 Bc4 26. Qc1 Ba6 27. Bc3 Nd5 28. Bd4 $36 {[%mdl 2048] White is more active.} Qb5 29. h3 Qe2 30. Kh2 {Hoping for Qc6.} Bd3 $2 {[%mdl 8192]} (30... Qf1 $11 31. Qxf1 Bxf1) 31. Qc8+ $18 Kh7 {[#]} 32. Qc4 $1 {[%mdl 64] Double Attack} Nb4 {[#]} 33. Qxb4 $2 ({Less strong is} 33. Qxb3 Bxb1 34. Qxb4 e5 $16) (33. Qc7 $1 $18 {[%cal Rc7f7] is the precise move to win.} e5 34. Qxe5 {[%mdl 64] Double Attack}) 33... Bxb1 $16 34. Qxb3 (34. Qa5 {looks sharper.} Bf5 35. Qc7 Bg6 36. Qe5 f6 37. Qxe6 Qc2 38. Qe7) 34... Qd3 {White is slightly better.} 35. Qxd3+ (35. Qb6 {is more complex.} Qg6 36. e4 Bd3 37. Qb3 Bf1 38. Qc2) 35... Bxd3 $14 {[%mdl 4096] Endgame KB-KB} 36. Kg3 g5 37. h4 Kg6 38. hxg5 Kxg5 39. e4 f5 40. exf5 Kxf5 41. f4 Ke4 42. Be5 Bf1 43. b4 Ke3 44. Bd6 Ke4 45. Kf2 Bb5 46. g3 Bc4 47. Kg2 Be2 48. Kh3 Kd5 {Accuracy: White = 53%, Black = 47%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Rocha, Vitor Firmo De Souz"]
[Black "Rodi, Luis Ernesto"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2174"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,54,-6,8,-25,-18,-63,-74,-63,-72,-69,-53,-433,-385,-391,-418,-536,-528,-765,-755,-772,-744,-706,-715,-1139,-1131,-1089,-992,-1238,-1211,-1102,-935,-934,-701,-1172,-925,-958,-939,-1241,-909,-902,-900,-858,-545,-530,-512]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Nd7 6. Bb5 {B12: Caro-Kann: Advance Variation} Ne7 {[%cal Bg8e7,Be7f5,Bf5e3][%mdl 32] LiveBook: 9 Games} 7. c4 $146 ({Predecessor:} 7. c3 a6 8. Ba4 Nc6 9. b4 Ndxe5 10. Na3 Be7 11. f4 Nd7 12. Nc2 Nf6 13. Nd4 Bd7 {½-½ (24) Giuliani,S (2629)-Brodda,W (2599) ICCF email 2015}) 7... Nf5 8. cxd5 {[#] Hoping for d6.The position is equal.} Nxe3 9. fxe3 {Threatens to win with d6.} Qh4+ $1 10. g3 Qe4 $1 {[%cal Re4h1]} 11. Nd2 $2 {[%mdl 8192]} (11. dxe6 $15 fxe6 12. Qh5+ (12. Qf3 Qxe5 13. Nc3 Bxc5 $17) 12... g6 13. Qf3 Qxe5 14. Nc3) 11... Qxh1 $19 {[%mdl 64] [#] Double Attack} 12. Ndf3 Bxc5 13. Rc1 O-O {Black is clearly winning.} 14. Bxd7 Bxe3 (14... Bb4+ $2 15. Kf2 $19) 15. Rxc8 Raxc8 16. Bxc8 Rxc8 17. dxe6 Bxg1 18. exf7+ Kh8 19. Ke2 Qg2+ 20. Kd3 Bc5 21. Ke4 Bf8 22. e6 Rc4+ 23. Ke3 Qxb2 {( -> ...Bc5+)} 24. e7 Rc3+ 25. Kf4 Qb4+ 26. Qd4 Rxf3+ 27. Kxf3 Qxe7 {Accuracy: White = 13%, Black = 100%.} ({And not} 27... Qxd4 28. exf8=Q#) 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Lebredo Zaragoitia, Gerardo"]
[Black "Chaves, Jorge Antonio Torre"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2139"]
[BlackElo "1922"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,63,-7,0,-8,-2,0,20,0,24,19,110,105,98,108,124,136,147,125,143,131,156,120,187,168,193,97,122,123,385,375,386,375,391,370,377,373,720,513,509,512,612,601,593,584,583,464,435,398,557,544,29976,29974,2364,819]} 1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Nf6 5. Bd3 Nbd7 6. Nge2 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} (6. b3 Bb4 7. Bd2 O-O 8. f4 dxc4 9. bxc4 Nc5 10. Bc2 Bxc3 11. Bxc3 Nce4 12. Ne2 b5 13. Bb4 Re8 {0-1 (49) Riazantsev,A (2671)-Najer,E (2679) Doha 2016}) 6... Bd6 {LiveBook: 3 Games} 7. O-O dxc4 8. Bxc4 {The position is equal.} b5 $146 ({Predecessor:} 8... e5 9. Ng3 O-O 10. Nce4 Nxe4 11. Nxe4 Bc7 12. b3 exd4 13. Qxd4 {0-1 (41) Suarez,P (1536)-Suarez,M (1875) Santa Cruz 2015}) 9. Bd3 b4 10. Na4 O-O (10... c5 $11) 11. e4 $16 e5 12. f4 exd4 13. e5 ({Worse is} 13. Nxd4 Nc5 $15) 13... Nxe5 14. fxe5 Bxe5 15. Bf4 $36 {[%mdl 2048] White is really pushing.} Re8 16. Ng3 Bg4 (16... Qd6 $16 17. Qf3 Bg4) 17. Qd2 $18 Qa5 18. Bc2 ({White should try} 18. b3 $18) 18... d3 19. Bxe5 ({Weaker is} 19. Qxd3 Rad8 $17) 19... dxc2 $4 {[%mdl 8192]} (19... Qxe5 $16 {was necessary.} 20. Qxd3 Rad8) 20. Bxf6 gxf6 21. Qxc2 Qg5 22. Nc5 {And now Nce4 would win.} f5 23. Qc1 Re3 $2 {[#]} (23... Qe3+ 24. Qxe3 Rxe3) 24. Nxf5 $1 {[%mdl 512]} Bxf5 {[#]} 25. Rxf5 $1 {[%mdl 512]} Qe7 (25... Qxf5 26. Qxe3) 26. Nd7 Rd8 27. Nf6+ Kg7 28. Ng4 Re6 29. h3 h6 30. Qf4 c5 31. Rf1 Rd7 32. Ne5 {Accuracy: White = 76%, Black = 18%.} (32. Nf6 $142 Rxf6 33. Rxf6) 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Almeida, Gianluca Jorio"]
[Black "Kruger, Israel"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2109"]
[BlackElo "1877"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,81,83,68,63,72,62,110,119,112,120,158,156,135,148,139,152,157,165,174,129,130,124,153,129,146,113,204,50,70,65,50,38,78,57,467,154,520,94,114,116,122,131,247,240,346,336,342,331,348,343,345,368,445,427,568,541,528,508,661,575,541,526,575,527,635,633]} 1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. e3 Bb4 6. Nge2 {[%cal Bg1e2,Be2c3,Bc3d5][%mdl 32]} Bxc3 7. Nxc3 O-O 8. O-O d6 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} 9. d4 Qe8 {LiveBook: 6 Games} (9... e4 10. f3 exf3 11. Qxf3 Bd7 12. b3 Rb8 13. Bb2 Qe8 14. Rae1 Qg6 15. Qd1 Ne7 16. e4 fxe4 17. Nxe4 Nxe4 18. Rxe4 Rxf1+ 19. Qxf1 {½-½ (67) Granda Zuniga,J (2663)-Caruana,F (2801) Tromsoe 2014}) 10. Nd5 Qf7 {White is slightly better.} 11. b3 Kh8 12. Bb2 e4 13. f3 $146 ({Predecessor:} 13. Nxf6 Qxf6 14. f3 exf3 15. Bxf3 {½-½ (22) Dumont,S (2305)-Chaves,J (2040) Sao Paulo 1996}) 13... Nxd5 14. cxd5 exf3 15. Qxf3 Ne7 16. Rac1 c6 17. dxc6 bxc6 18. Ba3 Ba6 19. Rf2 ({Much worse is} 19. Bxd6 $6 Bxf1 20. Qxf1 (20. Rxf1 Qe6 $11) (20. Kxf1 Rad8 $11) (20. Bxf1 Qe6 $11) 20... Rad8 $11) 19... Rad8 20. e4 Qe6 21. d5 Qd7 (21... cxd5 $16 22. exd5 Qd7) 22. Qh5 $2 {[#]} (22. Bb2 $18) 22... cxd5 $14 23. exd5 Bb7 24. Rd2 Qb5 25. Bb2 Nxd5 $2 {[%mdl 8192]} (25... Ng6 $14) 26. Qf3 $2 (26. Bxd5 $18 {is the precise move to win.} Bxd5 {[#]} 27. Rxd5 $1 {[%mdl 512]} (27. Bxg7+ Kxg7 28. Rxd5 Qb6+ 29. Kg2 Qb7 $16)) 26... Rc8 $2 (26... Rde8 $16 27. Rxd5 Bxd5 28. Qxd5 Qxd5 29. Bxd5 Re2) 27. Rxd5 $2 (27. Rxc8 $18 {and the rest is easy.} Rxc8 28. Qxf5 (28. Rxd5 Bxd5 29. Qxd5 Qxd5 $11)) 27... Rxc1+ 28. Bxc1 Bxd5 29. Qxd5 Qxd5 (29... Qb6+ $16 30. Kh1 Qf2) 30. Bxd5 $18 Rc8 (30... Re8 {was called for.}) 31. Be3 a5 32. a4 h6 33. h4 Rc3 34. Kf2 Kh7 35. Ke2 {White is clearly winning.} g5 36. hxg5 hxg5 37. Kd2 Rc7 38. Bxg5 Rc5 39. Bc4 d5 40. Be3 Rc8 41. Bd3 {Precision: White = 46%, Black = 21%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Maia, Jose Eduardo Bastos"]
[Black "Nascimento, Pedro Henrique Alve"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2093"]
[BlackElo "2007"]
[Annotator "NA RC"]
[PlyCount "67"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,67,2,32767,32767,32767,32767,32767,0,5,14,-11,26,27,62,57,65,38,79,52,58,69,68,53,84,71,85,80,91,101,79,120,136,133,139,119,137,156,127,106,119,146,291,289,302,272,289,354,321,353,364,372,324,354,378,400,480,500,525,648,612,715]} 1. e4 {[%emt 0:00:00]} e6 {[%emt 0:01:53]} 2. d3 {[%emt 0:00:36]} c5 {[%emt 0:00:17]} 3. Nf3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:27]} 4. g3 {[%emt 0:00:02]} g6 {[%emt 0:00:15]} 5. Bg2 {[%emt 0:00:20]} Bg7 {[%emt 0:00:09]} 6. O-O {[%emt 0:00:13]} Nge7 {[%emt 0:00:09]} 7. c3 {[%emt 0:00:10]} e5 {[%emt 0:02:56] LiveBook: 240 Games A04: Unusual lines after 1 Nf3 and King's Indian Attack} (7... d5 8. Qe2 O-O 9. h4 e5 10. h5 Bg4 11. h6 Bh8 12. Na3 d4 13. Bd2 a6 14. c4 Qd7 15. Qe1 Rae8 16. Nh2 Bh3 {0-1 (44) Jones,G (2677)-Lenderman,A (2630) chess.com INT 2018}) 8. a4 {[%emt 0:01:07]} d6 {[%emt 0:00:18]} 9. Na3 {[%emt 0:00:18]} Bg4 $146 {[%emt 0:00:29]} ({Predecessor:} 9... O-O 10. Bg5 h6 11. Bxe7 Nxe7 12. Nc4 Be6 13. a5 Qc7 14. Qa4 f5 15. a6 {1-0 (41) Mortensen,E (2424)-El Kher,H (2338) Aarhus 1999}) 10. h3 {[%emt 0:03:20]} Bxf3 {[%emt 0:00:13]} 11. Bxf3 {[%emt 0:00:41]} O-O {[%emt 0:00:24]} 12. Nc2 {[%emt 0:01:24]} Qb6 {[%emt 0:04:14]} 13. b4 {[%emt 0:04:20]} cxb4 {[%emt 0:11:30]} 14. Be3 {[%emt 0:01:39]} Qd8 {[%emt 0:05:32]} 15. cxb4 {[%emt 0:06:58]} f5 {[%emt 0:01:34]} 16. b5 {[%emt 0:15:42]} Na5 {[%emt 0:00:47]} 17. Rb1 {[%emt 0:17:26]} d5 {[%emt 0:05:01]} 18. exd5 {[%emt 0:06:45]} Nxd5 {[%emt 0:00:36]} 19. Bd2 {[%emt 0:00:17]} Nf6 {[%emt 0:05:00] Decoy} 20. Bb4 {[%emt 0:10:26]} Rf7 {[%emt 0:02:31]} 21. Ne3 {[%emt 0:02:29]} Rb8 {[%emt 0:02:15]} 22. Qe1 {[%emt 0:05:16]} b6 {[%emt 0:01:58] [#]} 23. Bxa5 $1 {[%emt 0:00:55]} bxa5 {[%emt 0:00:06]} 24. Nc4 {[%emt 0:00:15]} Re7 $2 {[%emt 0:00:56]} (24... Rc8 $16) 25. Nxa5 {[%emt 0:03:59]} ({Wrong is} 25. Nxe5 $2 Ne8 $19) 25... Qxd3 {[%emt 0:04:09]} 26. Be2 {[%emt 0:02:11]} Qc2 {[%emt 0:01:03]} 27. Nc6 {[%emt 0:00:35]} Reb7 {[%emt 0:00:32]} 28. Nxb8 {[%emt 0:00:27]} Rxb8 {[%emt 0:00:05]} 29. Qd1 {[%emt 0:00:40]} Qc5 {[%emt 0:00:35]} 30. Rc1 {[%emt 0:00:36]} Qe7 {[%emt 0:00:47]} 31. Rc6 {[%emt 0:01:17]} Rd8 {[%emt 0:01:20]} 32. Qc1 {[%emt 0:00:42]} h6 {[%emt 0:01:01]} 33. Rc7 {[%emt 0:01:03]} Qb4 $18 {[%emt 0:00:20]} 34. Qc4+ {[%emt 0:00:26]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Santos Filho, Tadeu Sousa"]
[Black "Moyses Sobrinho, Elias"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2078"]
[BlackElo "1931"]
[Annotator "NA RC"]
[PlyCount "89"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,89,42,51,48,53,69,43,50,40,56,49,70,36,110,0,177,-28,171,12,37,14,169,52,122,181,150,161,218,270,270,279,299,231,216,224,310,239,303,294,306,298,294,313,304,320,298,275,294,260,272,300,302,259,298,325,321,312,449,442,493,343,668,744,684,789,710,814,899,981,900,781,858,1333,5289,1615,1194,1882,6111,29957,29980,32767,6227,29981]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Bg5 {[%emt 0:00:00]} Ne4 {[%emt 0:00:16]} 3. Bf4 {[%emt 0:00:00]} c5 {[%emt 0:00:25]} 4. d5 {[%emt 0:00:13]} d6 {[%emt 0:00:07]} 5. f3 {[%emt 0:00:44]} Nf6 {[%emt 0:00:06]} 6. e4 {[%emt 0:00:31] LiveBook: 63 Games} Nbd7 {[%emt 0:00:28] A45: Trompowsky Attack} (6... g6 7. Nc3 Bg7 8. Qd2 a6 9. a4 Nbd7 10. Bh6 Bxh6 11. Qxh6 Qa5 12. Ra3 Nb6 13. Be2 Bd7 14. Qd2 g5 15. h4 {0-1 (63) Moiseenko,A (2667)-Melkumyan,H (2633) Riadh 2017}) 7. Qd2 {[%emt 0:02:45]} g6 {[%emt 0:00:32]} 8. c4 {[%emt 0:04:07]} Bg7 {[%emt 0:00:11]} 9. Nc3 {[%emt 0:02:40]} O-O {[%emt 0:00:08]} 10. Bh6 {[%emt 0:01:01]} Qb6 $146 {[%emt 0:00:53]} ({Black should play} 10... Bxh6 $14 11. Qxh6 Rb8) ({Predecessor:} 10... a6 11. h4 Re8 12. Bxg7 Kxg7 13. h5 Ng8 14. g4 {1-0 (26) Gohil,H (2298)-Nagel,N (1779) Frankfurt 2012}) 11. O-O-O {[%emt 0:02:47]} ({Better is} 11. Bxg7 $16 Kxg7 12. f4) 11... Ne5 $2 {[%emt 0:01:05]} (11... Bxh6 $11 12. Qxh6 Qb4) 12. Kc2 $2 {[%emt 0:06:06]} ({White has to play} 12. Bxg7 $18 Kxg7 13. f4) 12... a5 $2 {[%emt 0:00:42] [#]} (12... Bxh6 $15 {keeps the upper hand.} 13. Qxh6 Qb4) 13. a4 $2 {[%emt 0:00:39]} ({White must play} 13. Bxg7 $1 $18 Kxg7 14. f4) 13... Qb4 {[%emt 0:00:16] [#]} 14. b3 {[%emt 0:00:18]} (14. Bxg7 $1 $16 Kxg7 15. b3) 14... Nfd7 {[%emt 0:02:24]} (14... Bxh6 $14 15. Qxh6 Rd8) 15. h3 {[%emt 0:04:43]} (15. Bxg7 $18 Kxg7 16. f4) 15... f5 {[%emt 0:03:02]} ({Better is} 15... b5 $14) 16. Bxg7 {[%emt 0:02:34]} Kxg7 {[%emt 0:00:08]} 17. f4 {[%emt 0:00:17]} Nf7 {[%emt 0:00:38] [#]} 18. exf5 $1 {[%emt 0:01:23]} gxf5 {[%emt 0:00:23]} 19. Re1 {[%emt 0:01:32]} Re8 {[%emt 0:01:47]} 20. Nb5 {[%emt 0:03:36]} Qxd2+ {[%emt 0:02:16]} 21. Kxd2 {[%emt 0:00:40]} Nf6 {[%emt 0:00:19]} 22. Bd3 {[%emt 0:00:56]} e5 {[%emt 0:09:00]} 23. dxe6 {[%emt 0:11:50]} Rxe6 {[%emt 0:04:48]} 24. Rxe6 {[%emt 0:00:40]} Bxe6 {[%emt 0:00:05]} 25. Nc7 {[%emt 0:00:13]} Re8 {[%emt 0:00:42]} 26. Nxe8+ {[%emt 0:00:26]} Nxe8 {[%emt 0:00:12]} 27. Nf3 {[%emt 0:02:18]} Kf6 {[%emt 0:00:46]} 28. Re1 {[%emt 0:01:50]} Ng7 {[%emt 0:01:18]} 29. Ke3 {[%emt 0:07:40]} h6 {[%emt 0:03:34]} 30. g3 {[%emt 0:01:12]} Ne8 {[%emt 0:05:42]} 31. Rg1 {[%emt 0:01:42]} h5 {[%emt 0:00:41]} 32. Be2 {[%emt 0:00:31]} d5 {[%emt 0:03:46]} (32... Nd8 $142 33. Ng5 Ng7) 33. cxd5 {[%emt 0:00:53]} Bxd5 {[%emt 0:00:06]} 34. Bc4 {[%emt 0:00:31]} Be4 $2 {[%emt 0:02:41]} (34... Bxc4 35. bxc4 Ned6) 35. Bxf7 {[%emt 0:00:45]} Kxf7 {[%emt 0:00:14]} 36. Ng5+ {[%emt 0:00:14] Double Attack} Kf6 {[%emt 0:00:14]} 37. Nxe4+ {[%emt 0:00:21]} fxe4 {[%emt 0:00:09]} 38. Rd1 {[%emt 0:01:41]} Ke6 {[%emt 0:00:20]} 39. Kxe4 {[%emt 0:02:06]} Nf6+ {[%emt 0:00:07]} 40. Kf3 {[%emt 0:00:19]} Nd5 {[%emt 0:00:09]} 41. g4 {[%emt 0:07:02]} hxg4+ {[%emt 0:00:16]} 42. hxg4 {[%emt 0:00:10]} Ne7 {[%emt 0:00:52]} 43. Re1+ {[%emt 0:00:53]} Kf6 {[%emt 0:00:28] [#]} 44. Rxe7 $1 {[%emt 0:00:36]} Kxe7 {[%emt 0:00:06]} 45. Ke4 {[%emt 0:00:16]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Souza Neves, Andrey M."]
[Black "Bomfim, Carlos Bruno Campos"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2074"]
[Annotator "NA RC"]
[PlyCount "31"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,31,66,91,73,77,86,79,83,75,108,75,106,121,125,113,111,107,140,140,166,152,160,150,159,101]} 1. d4 {[%emt 0:03:46]} d5 {[%emt 0:00:20]} 2. c4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:18]} 3. cxd5 {[%emt 0:00:20]} Nxd5 {[%emt 0:00:41]} 4. Nf3 {[%emt 0:02:26]} Bg4 {[%emt 0:03:39]} 5. Ne5 {[%emt 0:03:13]} Bh5 {[%emt 0:00:36]} 6. g4 {[%emt 0:02:05]} Bg6 {[%emt 0:00:13]} 7. Bg2 {[%emt 0:02:28]} e6 {[%emt 0:03:28]} 8. Nc3 {[%emt 0:01:17]} Bb4 {[%emt 0:10:17]} 9. Bd2 {[%emt 0:03:00]} c6 {[%emt 0:02:57]} 10. h4 {[%emt 0:03:50]} f6 {[%emt 0:02:54]} 11. Nxg6 {[%emt 0:01:17]} hxg6 12. Qc2 f5 {[%emt 0:06:40]} 13. O-O-O {[%emt 0:11:31]} Qa5 {[%emt 0:02:45]} 14. Nxd5 {[%emt 0:17:43]} Bxd2+ {[%emt 0:02:46]} 15. Rxd2 {[%emt 0:04:45]} cxd5 {[%emt 0:00:25]} (15... exd5) 16. Qc8+ $16 {[%emt 0:00:30] Double Attack} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "3"]
[White "Manzi, Luiz Antonio Bardar"]
[Black "Viana, Dirceu"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2047"]
[BlackElo "2201"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,148,0,-9,-48,-60,-70,-46,-54,-43,-61,-36,-43,-37,-48,-16,-32,-20,-48,-31,-35,-33,-42,-43,-52,-42,-47,10,12,43,38,51,35,48,-39,0,0,0,0,17,-7,-29,-96,-21,-25,-18,-18,97,85,115,67,54,67,54,32,25,32,27,30,33,23,34,18,24,21,25,29,35,8,5,0,11,0,27,-16,-9,-39,0,-8,-14,-14,-8,0,0,-108,-99,-82,-55,-218,-210,-303,-188,-270,-16,-14,-17,-7,0,0,82,0,31,0,32,32,32,32,32,32,32,-4,-4,-4,-4,-4,-4,-26,-33,-44,-41,-39,-4,-4,-4,-4,-4,-8,-8,-8,-4,-4,-4]} 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. c4 d5 5. cxd5 Nxd5 6. O-O e5 7. Nc3 Nc7 8. d3 Be7 9. Be3 O-O 10. Rc1 Bd7 {LiveBook: 30 Games} 11. Ne4 {A34: Symmetrical English: 2 Nc3, lines with ...d5} (11. Na4 b6 12. b4 Nxb4 13. Nxe5 Be6 14. a3 Nbd5 15. Nc6 Qd7 16. Nxe7+ Qxe7 17. Bd2 Rad8 18. Nc3 Rfe8 19. Re1 Nxc3 20. Bxc3 {0-1 (65) Akhmetov,A (2357)-Jumabayev,R (2599) Almaty 2015}) 11... b6 12. Bd2 f6 $146 ({Predecessor:} 12... Rc8 13. Bc3 f6 14. Re1 Be6 15. b3 Qd7 16. Bb2 Rfd8 17. Qc2 Nd5 18. Qb1 Bf8 {0-1 (41) Ferenc,J (2280)-Janocha,W (2375) Koszalin 1997}) 13. a3 {Black is slightly better.} Kh8 14. Qc2 Ne6 15. e3 Rc8 16. Qb1 a5 17. Bc3 Be8 {[%cal Bd7e8,Be8f7,Bf7b3][%mdl 32]} 18. h3 Qd7 19. Rfd1 Bf7 20. g4 Rfd8 21. Nh4 Bf8 22. Nf5 Nc7 (22... a4 $15) 23. d4 $1 $11 {[%cal Rd4e5]} Bb3 24. Rd2 exd4 25. exd4 c4 26. Neg3 (26. d5 $1 $14 Ne5 27. Bd4) 26... Nd5 27. Bxd5 Qxd5 28. Ne3 $36 {[%mdl 2048] White has some pressure.} Qf3 (28... Qd6 {feels hotter.} 29. Nef5 Qd5) 29. Qf5 Qxf5 30. Ngxf5 (30. gxf5 $11 {remains equal.} Na7 31. Ne2) 30... Na7 ({Black should try} 30... b5 $1 $17 {[%cal Rb5b4] White must now prevent ...b4.} 31. d5 Ne5 32. Bxa5 Nf3+ {[%mdl 64] Double Attack} 33. Kf1 Nxd2+ 34. Bxd2 c3 35. Rxc3 Rxc3 36. Bxc3 Bxd5) 31. d5 Nb5 32. Nd4 Nxc3 (32... Nxd4 $11 33. Bxd4 Rb8) 33. Rxc3 $16 Ba2 34. Ne6 Re8 35. Nxf8 Rxf8 36. a4 Rfd8 37. Rd4 {[%cal Re3c4]} Kg8 38. Kg2 Kf7 39. Kf3 g6 40. Kf4 h6 41. Kg3 Rc5 42. f4 b5 43. axb5 Rxb5 44. Rd2 Ke7 45. h4 (45. f5 {is interesting.} g5 46. Kf3 a4 47. Ke4 Rdb8 48. Nxc4 Kd7 49. Kd4) 45... Rb3 46. Rxb3 Bxb3 $11 {[%mdl 4096] Endgame KRB-KRN} 47. Rd4 Kd6 (47... c3 $5 48. bxc3 Rc8 $11) 48. Re4 Kc5 49. Re6 Rd6 {Strongly threatening ...c3!} 50. Re8 a4 51. Rc8+ (51. h5 $11 gxh5 52. Rc8+ (52. gxh5 Rd7 $11) 52... Kb4 53. gxh5) 51... Kd4 $17 52. Kf3 {Black should prevent h5.} Rd7 53. Rc6 $2 {[#]} (53. Kf2 $15) 53... Re7 $1 $19 {[%cal Re7e3]} 54. Ng2 (54. Re6 {only move.} Rxe6 55. dxe6) 54... Kxd5 55. Rxf6 (55. Rc8 $142) 55... Re6 $2 ({Black should play} 55... Bd1+ $19 56. Kf2 Re2+ 57. Kg3 Kc5) 56. Ne3+ $11 Kd6 $1 57. Rf8 $1 Ke7 58. Ra8 Rd6 {[#]} (58... Kd7 $11 {keeps the balance.}) 59. f5 (59. h5 $1 $16) 59... Kf6 60. Rf8+ Kg7 61. Rc8 Rb6 62. Rc7+ Kf8 63. fxg6 Rxg6 64. Nxc4 Bd1+ 65. Kf2 Rxg4 66. Ne3 Rf4+ 67. Ke1 Bb3 68. Ng2 Rg4 69. Kf2 Rc4 (69... Bd5 {keeps more tension.} 70. Ne3 Rf4+ 71. Ke1 Bf7 72. Rc8+ Ke7) 70. Rxc4 {The position is equal.} Bxc4 71. Ne3 Be6 72. Nd1 Ke7 73. Ke3 Kf6 74. Kf4 Bd7 {Accuracy: White = 40%, Black = 35%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Okamura, Milton Kasuo"]
[Black "Guimaraes, Diogo Duarte"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2038"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,22,27,27,26,26,24,14,18,12,37,0,17,0,10,-9,-8,-26,28,28,28,23,23,18,25,20,28,9,57,0,0,0,19,-29,0,0,0,-6,-8,-38,7,0,30,20,27,18,0,0,0,0,0,0,0,0,0,-616,-607,-570,-598,-1117,-857,-1097,-1100,-1128,-1085,-29988,-29989]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 Bf5 6. Be2 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} (6. Bd3 Bxd3 7. Qxd3 e6 8. O-O Bb4 9. Bd2 O-O 10. Nxd5 Nxd5 11. cxd5 Bxd2 12. Qxd2 exd5 13. Ne5 Re8 {½-½ (46) Vallejo Pons,F (2707)-So,W (2780) Leon 2018}) 6... h6 7. O-O e6 8. c5 {White has an edge.} Nbd7 9. b4 Be7 10. Bb2 O-O 11. a3 Qc7 12. Nh4 $146 ({Predecessor:} 12. Na4 Ne4 13. Ne5 Nef6 14. f4 Nxe5 15. dxe5 {½-½ (39) Eperjesi,L (2206)-Melkonian,V (2230) Budapest 2012}) 12... Bh7 13. f4 g5 (13... b6 $142) 14. Nf3 $11 Ne4 15. Ne5 Nxc3 16. Bxc3 Nf6 17. Be1 Ne4 18. Bh5 Kg7 19. h4 ({White should try} 19. fxg5 $14 Bxg5 20. Qe2) 19... f6 20. Nd3 Kh8 21. Bf3 Rg8 (21... gxh4 {feels hotter.} 22. Bxh4 Rg8 23. Nf2 Rg7 24. Nxe4 dxe4 25. Bh5 Rag8) 22. hxg5 hxg5 23. Bxe4 dxe4 24. Nb2 gxf4 25. Rxf4 Rg7 26. Nc4 Rag8 27. Ra2 Qd8 28. Qh5 Rg5 29. Qh3 Qd5 $36 {[%mdl 2048] Black has good play.} 30. Rh4 {[%csl Gh3][%cal Rh4h7]} R8g7 31. Rc2 Kg8 32. Nb6 $2 {[%mdl 8192] [#]} (32. Rh6 $11) 32... Qb3 $1 $19 {[%csl LRa3,LRc2][%cal Rb3c2]} 33. Re2 {intending Nc8.} Bf5 34. Rh8+ Kf7 35. Qh2 Qd1 36. Kf1 Bg4 37. Rd2 Rf5+ {Accuracy: White = 47%, Black = 56%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Fucs, Paulo Moses"]
[Black "Teixeira, Ricardo Da Silva"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2016"]
[BlackElo "2239"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,58,35,42,20,73,17,50,15,17,17,23,25,25,5,18,0,0,-6,2,13,15,10,17,20,21,16,21,14,18,13,18,9,15,0,20,0,27,27,29,29,56,49,79,52,50,53,53,32,39]} 1. c4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. Nc3 O-O 6. O-O d6 {LiveBook: 125 Games} 7. b3 {A10: English Opening: Unusual Replies for Black} (7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 a5 10. Re1 Nc6 11. b3 e5 12. Bb2 e4 13. Nd2 d5 14. cxd5 Nb4 15. Nc4 Nxd5 16. Qc2 Be6 17. a3 {1-0 (66) Melkumyan,H (2633)-Williams,S (2443) London 2016}) 7... Ne4 (7... e5 $11 {keeps the balance.}) 8. Bb2 (8. Nxe4 $16 {aiming for Nc3.} fxe4 9. Ne1) 8... Bf6 9. Qc2 Nxc3 10. Bxc3 Bxc3 $146 ({Predecessor:} 10... Qe8 11. Nd4 Nc6 12. Nxc6 Bxc3 13. Qxc3 bxc6 14. c5 d5 {½-½ (41) Turner,R (2117)-Lacha,J (1979) Tabor 2008}) 11. Qxc3 e5 12. c5 Nc6 13. cxd6 cxd6 14. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Be6 15. b5 Na5 16. Ng5 Qxg5 17. Qxa5 Qe7 18. Rac1 {[#] Hoping for Rc7.} Rf7 19. Rc3 b6 20. Qb4 d5 21. Qxe7 Rxe7 22. Rfc1 Kf8 23. e3 Rd8 24. d4 e4 25. Bf1 g5 26. Be2 Rdd7 27. Rc8+ Re8 {White is slightly better.} 28. R8c6 Ke7 29. Bd1 Red8 {Accuracy: White = 43%, Black = 55%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Peixoto, Rudson Marinho"]
[Black "Campos, Alexandre Ferreira"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2007"]
[BlackElo "2076"]
[Annotator "NA RC"]
[PlyCount "120"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,111,50,49,58,40,64,39,78,70,62,60,62,39,83,34,20,23,31,46,85,66,89,73,104,104,135,60,100,48,67,-18,-23,-36,-23,-31,-15,-28,0,-7,0,-7,-33,-20,-16,-4,0,-80,-68,-137,-112,-218,-238,-230,-220,-347,-154,-151,-130,-187,-195,-284,-286,-280,-279,-302,-307,-318,-312,-372,-326,-437,-450,-500,-457,-445,-450,-581,-619,-1041,-1545,-1316,-559,-5289,-5954,-1197,-441,-29969,-381,-344,-388,-365,-377,-379,-453,-429,-455,-503,-528,-995,-697,-681,-864,-1155,-1271,-1310]} 1. e4 {[%emt 0:00:00]} d5 {[%emt 0:00:26]} 2. exd5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 3. d4 {[%emt 0:01:03]} Nxd5 {[%emt 0:00:30]} 4. c4 {[%emt 0:00:16]} Nb6 {[%emt 0:00:04]} 5. Nf3 {[%emt 0:00:46] LiveBook: 394 Games} Bg4 {[%emt 0:01:01]} 6. Be2 {[%emt 0:00:15]} e6 {[%emt 0:00:18]} 7. O-O {[%emt 0:00:28] B01: Scandinavian Defence} c5 {[%emt 0:00:19]} (7... Be7 8. Nc3 O-O 9. Be3 Nc6 10. b3 Qc8 11. h3 Bf5 12. a4 Rd8 13. a5 Nd7 14. Qc1 Nb4 15. Ra4 c5 16. dxc5 Nd3 17. Bxd3 Bxd3 18. c6 {½-½ (83) Yeritsyan,A (2332)-Saulin,D (2376) Sochi 2018}) 8. Be3 {[%emt 0:01:10]} N8d7 {[%emt 0:03:37]} 9. Nc3 {[%emt 0:01:05]} Be7 $146 {[%emt 0:00:53]} ({Predecessor:} 9... Bxf3 10. Bxf3 Nxc4 11. Bf4 Bd6 12. Bxd6 Nxd6 13. dxc5 Nf5 14. Bxb7 Rb8 {1-0 (48) Krupica,P-Joklik,P Morava 1994}) 10. d5 {[%emt 0:04:24]} O-O {[%emt 0:01:40]} 11. Qb3 {[%emt 0:04:00]} exd5 {[%emt 0:14:59]} 12. cxd5 {[%emt 0:00:58]} c4 {[%emt 0:02:19]} 13. Qc2 {[%emt 0:04:03]} g6 {[%emt 0:01:05]} 14. Rfd1 {[%emt 0:03:23]} Bf5 {[%emt 0:05:43]} 15. Qd2 {[%emt 0:00:10]} Bc5 {[%emt 0:03:54]} 16. Nd4 {[%emt 0:00:21]} Qf6 {[%emt 0:02:01]} 17. h3 {[%emt 0:02:01]} (17. Nxf5 $16 Qxf5 18. Bxc5 Nxc5 19. Qd4) 17... Rfe8 {[%emt 0:10:45]} 18. Nxf5 {[%emt 0:00:48]} Qxf5 {[%emt 0:00:15]} 19. Bg4 {[%emt 0:04:04]} (19. Bd4 $14) 19... Bxe3 $1 {[%emt 0:05:08]} 20. fxe3 {[%emt 0:00:19]} Qe5 {[%emt 0:01:19]} 21. e4 {[%emt 0:01:14]} Nc5 {[%emt 0:02:02]} 22. Bf3 {[%emt 0:01:22]} Nd3 {[%emt 0:06:54]} 23. b3 {[%emt 0:08:40]} Qg3 {[%emt 0:04:41]} 24. bxc4 {[%emt 0:01:30]} Nf4 {[%emt 0:01:13]} 25. Qe1 {[%emt 0:05:26]} Nxh3+ {[%emt 0:01:22]} 26. Kf1 {[%emt 0:00:24]} Qf4 {[%emt 0:00:44]} 27. c5 {[%emt 0:07:10]} (27. Ne2 $11 {keeps the balance.} Qf6 28. Qc3 Qxc3 29. Nxc3) 27... Nc4 {[%emt 0:00:33]} 28. Rd3 {[%emt 0:00:34]} (28. d6 $142 Ne3+ 29. Ke2 Nxd1 30. Rxd1) 28... Ne5 {[%emt 0:05:50]} 29. Qe3 {[%emt 0:07:18]} (29. Rad1 $17 {keeps fighting.} Ng5 30. d6) 29... Nxd3 {[%emt 0:00:22]} 30. Qxd3 {[%emt 0:00:10]} Ng5 {[%emt 0:01:14]} 31. Rb1 {[%emt 0:05:26]} Nxf3 {[%emt 0:01:08]} (31... Rac8 $19 {has better winning chances.} 32. Ne2 Qh2) 32. Qxf3 {[%emt 0:02:11]} Qc7 {[%emt 0:02:04]} 33. Qf2 {[%emt 0:08:12]} (33. Qf6 $17) 33... Rac8 {[%emt 0:00:46]} 34. d6 {[%emt 0:00:22]} (34. Rb5 {was worth a try.} b6 35. c6) 34... Qxc5 {[%emt 0:00:57]} 35. d7 {[%emt 0:00:40]} Qxc3 {[%emt 0:00:58]} 36. Kg1 {[%emt 0:04:41]} b6 {[%emt 0:02:06]} ({But not} 36... Rxe4 37. dxc8=N Qxc8 38. Qxa7 $19) 37. dxc8=Q {[%emt 0:04:09]} Rxc8 {[%emt 0:00:27]} 38. Qf4 {[%emt 0:00:24]} Qd4+ {[%emt 0:00:40]} 39. Kh1 {[%emt 0:00:39]} Rc5 {[%emt 0:00:13]} 40. g4 {[%emt 0:01:16]} h5 {[%emt 0:00:34]} 41. Rf1 {[%emt 0:00:56]} Qd7 {[%emt 0:01:19]} 42. Rg1 {[%emt 0:00:52]} hxg4 {[%emt 0:00:26]} 43. Rxg4 {[%emt 0:00:37]} Qd1+ {[%emt 0:02:06]} 44. Kh2 {[%emt 0:02:45]} Rh5+ {[%emt 0:06:19]} 45. Kg2 {[%emt 0:01:27]} Qh1+ {[%emt 0:01:46]} 46. Kf2 {[%emt 0:00:27]} Qh2+ {[%emt 0:01:02]} (46... Rh2+ $142 47. Qxh2 Qxh2+ 48. Rg2 Qf4+ {[%mdl 64] Double Attack} 49. Ke1 Qxe4+ 50. Re2 Qf5) 47. Ke3 $2 {[%emt 0:00:18]} (47. Qxh2 $19 Rxh2+ 48. Ke3) 47... Qxf4+ $2 {[%emt 0:00:12]} (47... Rh3+ 48. Qf3 Rxf3+ 49. Kxf3 Qxa2) 48. Rxf4 {[%emt 0:01:28]} Rh3+ {[%emt 0:00:33]} 49. Kd4 {[%emt 0:00:19]} Rh2 {[%emt 0:00:23]} 50. Kd5 {[%emt 0:01:25]} Rxa2 {[%emt 0:00:12]} 51. e5 {[%emt 0:00:22]} Kg7 {[%emt 0:00:34]} 52. Re4 {[%emt 0:01:10]} g5 {[%emt 0:01:37]} 53. e6 {[%emt 0:00:25]} (53. Rc4 $142) 53... fxe6+ {[%emt 0:00:37]} 54. Kxe6 {[%emt 0:00:11]} Kg6 {[%emt 0:00:10]} 55. Re1 {[%emt 0:01:57]} g4 $19 {[%emt 0:00:09]} 56. Re5 {[%emt 0:00:51]} Ra5 {[%emt 0:00:10]} 57. Re1 {[%emt 0:00:41]} Kg5 {[%emt 0:00:06]} 58. Rg1 {[%emt 0:00:37]} Rf5 {[%emt 0:00:13]} 59. Rh1 {[%emt 0:00:26]} a5 {[%emt 0:00:22]} 60. Rh8 {[%emt 0:00:31]} Rb5 {[%emt 0:00:22]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Moccero, Eduardo"]
[Black "Lima, Darcy"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1945"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,54,35,29,0,-4,14,8,12,11,-16,10,-33,-13,-14,-17,-25,-2,-62,-58,-60,-47,-66,-58,-114,-115,-124,-125,-123,-123,-139,-143,-148,-163,-142,-129,-156,-146,-156,-164,-150,-93]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. Bf4 O-O 6. h3 c6 7. e3 a6 8. Be2 b5 {LiveBook: 41 Games} 9. cxb5 {E61: King's Indian: Early deviations for White, including Smyslov System} (9. O-O Nbd7 10. a3 bxc4 11. Bxc4 c5 12. Rc1 Bb7 13. d5 Nb6 14. Ba2 a5 15. e4 Nh5 16. Bg5 h6 17. Be3 Ba6 18. Re1 {1-0 (41) Korobov,A (2696)-Rasulov,V (2512) Nakhchivan 2014}) 9... axb5 10. a3 Nbd7 11. O-O {The position is equal.} Nb6 12. Qc2 $146 ({Predecessor:} 12. Rc1 Bb7 13. Ng5 h6 14. Nge4 Nfd5 15. Bg3 b4 16. axb4 Nxb4 {1-0 (58) Wilcock,P (1800)-Rogers,D (1688) Weymouth 2008}) 12... Bd7 13. Nd2 Qb8 14. Bf3 Rc8 15. Rac1 Ra7 16. Bg3 (16. e4 $11) 16... c5 $15 17. dxc5 Rxc5 18. Nb3 Rc8 19. Rfd1 (19. Qe2 $15) 19... Na4 $17 20. Qd2 Nxc3 21. Rxc3 Rxc3 22. Qxc3 {[#]} Ne4 $1 {[%mdl 512]} 23. Qc2 (23. Bxe4 Bxc3) 23... Nxg3 24. fxg3 Be5 25. g4 b4 {Black is clearly better.} 26. axb4 Ba4 {[#] White must now prevent ...Rc7.} 27. Rd3 Qxb4 {Accuracy: White = 38%, Black = 68%.} ({Black should try} 27... e6 28. Qb1 Bb5) 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.16"]
[Round "3"]
[White "Pimentel, Rafael Favarin G."]
[Black "Souza, Wellington"]
[Result "1/2-1/2"]
[ECO "E40"]
[WhiteElo "1886"]
[BlackElo "2120"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,52,9,29,-27,27,7,88,93,95,79,74,89,96,8,10,10,10,10,10,10,11,14,18,8,6,0,19,18,22,0,0,0,8,12,18,0,65]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 O-O 7. cxd5 exd5 8. Bd3 b6 9. Ne2 Ba6 10. Bc2 {E49: Nimzo-Indian: Rubinstein: 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3} (10. O-O $142) 10... Ne4 $146 (10... c5 $142) ({Predecessor:} 10... c5 11. O-O Nc6 12. Re1 Qc7 13. Ng3 Rfe8 14. Bb2 cxd4 15. cxd4 Na5 16. f3 Nc4 17. Bc1 Rad8 {0-1 (42) Shen,Y (2445)-Koneru,H (2622) Nalchik 2008}) 11. f3 Bxe2 (11... Nd6 $11 {keeps the balance.}) 12. Qxe2 $16 {White is better.} Nd6 ({But not} 12... Nxc3 $2 13. Qd3 $18) 13. O-O f5 14. Bb3 c6 15. c4 (15. a4 $16) 15... dxc4 {The position is equal.} 16. Bxc4+ Nxc4 17. Qxc4+ Qd5 18. Qxd5+ cxd5 19. Bd2 Nc6 20. Rfc1 Rac8 21. Kf2 Kf7 22. Ra2 Ke6 23. Rac2 Kd7 24. Ke2 Rfe8 {[#] Hoping for ...Nxd4+.} 25. Kd3 g6 26. Be1 Kd6 {Accuracy: White = 43%, Black = 42%.} (26... Ne7 $11) 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Di Berardino, Diego Rafael"]
[Black "Maia, Jose Eduardo Bastos"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2526"]
[BlackElo "2093"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,73,27,14,22,0,2,-10,0,-7,31,38,37,41,43,-23,35,39,44,49,52,54,77,67,106,100,109,98,106,101,166,108,185,193,225,208,281,274,271,268,242,231,606,604,734,684]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 Bg7 16. d5 Qc8 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} (16... Qe7 17. b3 c6 18. c4 bxc4 19. bxc4 a5 20. Be3 Rec8 21. Rb1 Ba6 22. Nd2 Qf8 23. Ngf1 {½-½ (23) Korneev,O (2582)-Kveinys,A (2499) Heusenstamm 2016}) 17. b3 c6 {[%cal Rc6d5]} 18. c4 bxc4 $146 {The position is equal.} ({Predecessor:} 18... cxd5 19. cxd5 Nc5 20. a5 Re7 21. b4 Ncd7 22. Bd3 Qf8 23. Bd2 Rc8 24. Rc1 {0-1 (44) Lovric,R (2090)-Stankovic,B (2230) Belgrade 2004}) 19. bxc4 cxd5 20. cxd5 Qc7 21. a5 Rec8 22. Bd3 {[#]} (22. Bb1 $14) 22... Nc5 (22... Nxd5 $1 $11 {[%mdl 512]} 23. exd5 e4) 23. Bf1 $14 Rab8 24. Be3 Nfd7 ({Don't blunder} 24... Ncxe4 $2 25. Bb6 $18) ({But not} 24... Nfxe4 $2 25. Nxe4 Nxe4 26. Bb6 $18) 25. Nd2 Rf8 26. Qc2 Qd8 27. Nc4 Qe7 28. Rab1 h5 29. Rec1 Rbc8 (29... Rfc8 $16 {is a better defense.}) 30. f3 (30. Be2 $18) 30... h4 (30... Rc7 $16 {was necessary.}) 31. Nh1 $18 {[%cal Bg3h1,Bh1f2,Bf2d3,Bd3c5][%mdl 32]} f5 32. Nf2 Ba8 33. Nd3 Nb7 34. Qa2 fxe4 35. fxe4 Ndc5 $2 {[#]} (35... Kh7 36. Nb6 {[%mdl 64] Discovered Attack} Rxc1 37. Rxc1 Nf6 38. Nxa8 Rxa8) 36. Nb6 Rc7 37. Nxc5 {Accuracy: White = 81%, Black = 23%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Galego, Luis"]
[Black "Roselli Mailhe, Bernardo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2479"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,82,7,-18,-18,-23,-10,-20,0,0,81,-19,-16,-18,-10,-26,-10,-23,-11,-63,-62,-66,-51,-44,-51,-56,-52,-71,-50,-77,-50,-77,-39,-95,-98,-112,-74,-81,-28,-96,-83,-84,-68,-179,-189,-247,-241,-243,-228,-317,-301,-374,-356,-335,-322,-662,-615,-1259,-1183,-5914,-4366,-2829,-2767,-29987,-29988]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. c3 d6 6. e4 c5 7. dxc5 dxc5 8. Bc4 Nc6 9. O-O Qc7 10. Re1 h6 11. Bh4 Nh5 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} 12. Qc2 Na5 13. Be2 Be6 {The position is equal.} 14. Nb3 {[#]} (14. Qa4 g5 15. Bg3 Nxg3 16. hxg3 a6 17. Nf1 {½-½ (38) Nguyen,N (2630)-Howell,D (2676) Riadh 2017}) 14... g5 $146 (14... Nxb3 $11 15. axb3 a6) ({Predecessor:} 14... Nc4 15. Nfd2 Ne5 16. Bxh5 gxh5 17. Bg3 Rad8 {½-½ (42) Sergeev,V (2438)-Kovalev,A (2545) Czechia 2004}) 15. Bg3 ({Better is} 15. Nxa5 $16 {Strongly threatening Bxg5.} Qxa5 16. Bg3) 15... Nxg3 $11 16. hxg3 Rfd8 17. Nfd2 Rac8 18. Rad1 c4 19. Nc1 (19. Nxa5 $1 $11 Qxa5 20. a3) 19... b5 $36 {[%mdl 2048] Black has the initiative.} 20. Nf1 Qc5 21. Ne3 b4 22. Bg4 Bxg4 23. Nxg4 Nc6 {[%cal Ba5c6,Bc6e5,Be5d3][%mdl 32]} 24. Ne2 a5 25. Ne3 Ne5 26. Rxd8+ ({White should try} 26. Rd5 $15 Rxd5 27. exd5) 26... Rxd8 $17 27. Rd1 Rxd1+ 28. Qxd1 Nd3 ({Black should play} 28... e6 $17) 29. Qc2 (29. Qa4 $11 {remains equal.}) 29... e6 30. Nc1 Ne5 31. g4 (31. Ne2 $15) 31... Qb5 $19 32. Qd2 (32. Kf1 $142) 32... bxc3 33. bxc3 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 34. Qc2 a3 35. Ne2 Qb2 36. Nd4 {[#]} Nxg4 $1 {[%mdl 512]} 37. Nxg4 $2 (37. Nd1 Qa1 38. Nb5) 37... Bxd4 38. Qa4 Qxc3 39. Qe8+ Kg7 40. Kh2 h5 41. Qd8 Qd2 {[%mdl 64] Double Attack. Accuracy: White = 19%, Black = 67%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Matsuura, Everaldo"]
[Black "Fucs, Paulo Moses"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2476"]
[BlackElo "2016"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,53,43,43,88,49,67,65,62,39,77,73,97,62,92,73,155,104,108,78,279,259,320,320,371,368,349,343,419,407,476,361,548,535,671,601,760,756,810,793]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Qf6 6. e5 Qb6 7. Qxb6 {C45: Scotch Game} (7. Qf4 d5 8. Nc3 Be6 9. Bd3 O-O-O 10. O-O c5 11. b3 Ne7 12. Kh1 a6 13. Bb2 Qc7 14. Rae1 f5 {0-1 (60) Ortiz Suarez,I (2598)-Granda Zuniga,J (2659) Cochabamba 2013}) 7... axb6 8. Nc3 Bb4 9. Bd2 {LiveBook: 5 Games. White is slightly better.} Ne7 10. Nb5 Bxd2+ 11. Kxd2 Kd8 $1 12. Bc4 Nc6 13. f4 ({But not} 13. Bxf7 $6 Rf8 $11) 13... Rf8 14. g3 $146 ({Predecessor:} 14. Rae1 Na5 {1-0 (32) Vybornov,S (2477)-Hamilton,T (2061) Dos Hermanas 2004}) 14... Na7 15. Nc3 f5 (15... f6 $142) 16. Rad1 ({White should try} 16. Rhe1) 16... c6 17. a4 {Strongly threatening Rhe1.} Kc7 $2 {[#]} (17... d5 $16 {was called for.}) 18. Ke3 $18 Re8 19. Rd6 Rb8 20. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Ra8 21. h5 h6 22. Rhd1 Re7 23. Kf2 Rb8 (23... Kb8 {was necessary.} 24. Kf3 b5) 24. b4 {White is clearly winning.} Ra8 25. b5 Rb8 26. Ne2 cxb5 27. axb5 {Precision: White = 53%, Black = 12%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Romanishin, Oleg M"]
[Black "Perdomo, Leandro"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2435"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,89,22,21,27,27,47,45,50,42,58,50,69,65,79,74,79,80,88,57,81,44,46,58,64,65,64,61,62,43,111,111,177,136,132,114,153,142,146,135,121,96,91,85,170,141,137,134,250,254,488,489,468,460,440,135,29984,29985,29985,856,29986,29987,29987,29988,29988,29989,29989,29990,29990,29991,29994,29995,29997,29998,29998,29999]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 Nbd7 7. d5 Nc5 8. Be3 a5 9. Nc3 {LiveBook: 5 Games} Nfd7 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} 10. Rc1 e5 11. dxe6 $1 Nxe6 $146 {White is slightly better.} ({Predecessor:} 11... fxe6 12. b3 Qe7 13. Qd2 Na6 14. Nb5 Ndc5 15. Ng5 Bd7 16. Rfd1 Bc6 17. Qxa5 {1-0 (41) Romanishin,O (2600)-Syrtlanov,V (2410) Koszalin 1998}) 12. Nd4 Ne5 13. Nxe6 Bxe6 14. b3 $1 ({But not} 14. Bxb7 Rb8 $15) 14... Nc6 15. Qd2 Re8 16. Bh6 Bh8 17. Rfd1 Qe7 18. Bg5 Bxc3 $1 19. Rxc3 f6 20. Be3 a4 21. b4 Nxb4 22. Bxb7 Rab8 ({Better is} 22... Rad8 $1 $14) 23. Bf3 Qf7 (23... Qd7 $16) 24. a3 Na6 25. Qc2 Rb3 26. Rxb3 axb3 27. Qxb3 Bxc4 28. Qc3 $36 {[%mdl 2048] White is really pushing.} d5 29. Qa5 {[%cal Rd1d5]} c6 {[#]} (29... Rd8 $16) 30. Rb1 $1 $18 Nb8 31. Bd4 Nd7 (31... Qe7 $16 32. Qa8 Nd7 33. Qxc6 Qe6 34. Qxe6+ Rxe6) 32. Rb7 Qe6 $2 (32... Rb8 33. Rxb8+ Nxb8 34. Qd8+ Qf8) 33. Qc7 Re7 34. Qd8+ Kf7 35. Qh8 $2 (35. Ra7 $18) 35... Qh3 $2 {[%mdl 8192] [#]} (35... Bxe2 $16 36. Qxh7+ Kf8 37. Qh8+ Kf7 38. Rxd7 Bxf3 39. Qh7+ Ke8 40. Rxe7+ Qxe7 41. Qxg6+ Kf8) 36. Rxd7 $1 {[%mdl 512]} Rxd7 37. Qxf6+ Kg8 38. Qh8+ {White mates.} Kf7 39. Qg7+ Ke8 {[#]} 40. Qg8+ $1 Ke7 41. Bc5+ Kf6 42. Qf8+ Ke6 43. Qe8+ Kf6 44. Bd4+ Kg5 45. Qe3+ {Precision: White = 79%, Black = 23%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Von Buelow, Georg"]
[Black "Rodriguez Vila, Andres"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2354"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "169"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,169,29,55,54,75,61,113,121,137,116,147,147,142,145,143,138,150,145,169,170,154,96,85,0,0,-48,-37,-37,-37,-46,-41,-32,-53,-47,-39,-55,-42,-96,11,0,7,14,0,-7,-7,-7,-3,-7,-8,-8,-6,-25,-12,-10,-8,-9,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-3,-3,-3,-18,8,8,8,8,8,8,10,10,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,-15,-15,-15,-15,-15,-14,-14,0,-15,-15,-15,0,-15,-15,-15,-15,-15,-15,-15,-15,-15,-15,-15,0,-15,-8,-14,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-15,-15,-15,-15,-15,-15,-15,-15,-15,-15,-15]} 1. Nf3 d6 2. d4 g6 3. g3 Bg7 4. Bg2 f5 5. O-O Nf6 6. b3 O-O 7. Bb2 a5 8. c4 c6 9. Nbd2 a4 {A87: Dutch Defence: Leningrad System: 5 Nf3} (9... Na6 10. a3 Re8 11. Qc2 Qc7 12. e4 fxe4 13. Nxe4 Nxe4 14. Qxe4 Bf5 15. Qe3 e5 16. dxe5 dxe5 17. Ng5 Bh6 18. h4 {0-1 (55) Georgiev,K (2596)-Cheparinov,I (2693) Kozloduy 2018}) 10. Qc2 Na6 {LiveBook: 4 Games} 11. bxa4 Kh8 $146 {White is slightly better.} ({Predecessor:} 11... c5 12. d5 Nb4 13. Qb3 h6 14. Bc3 Qe8 15. a5 g5 16. a3 Na6 17. Rfe1 {½-½ (60) Bagaturov,G (2396)-Zeynalov,R (2318) Mersin 2018}) 12. Bc3 Be6 (12... Nd7 $14) 13. Rab1 Rb8 14. Rb3 Qd7 15. Ng5 Bg8 16. Rfb1 d5 17. c5 Ne4 18. Ngxe4 fxe4 19. e3 e5 20. Qb2 (20. Rb6 $142) 20... exd4 $16 21. Bxd4 (21. exd4 $16 Be6 22. a3 (22. Rxb7 Rxb7 23. Qxb7 Nxc5 $14)) 21... Nxc5 $1 $11 22. Rb6 (22. Rb4 {keeps more tension.} Ra8 23. Bxc5 Bxb2 24. R1xb2 Qf5 25. Bd4+) 22... Nxa4 23. Bxg7+ Qxg7 24. Qxg7+ Kxg7 25. Rxb7+ Rxb7 26. Rxb7+ Rf7 27. Rb8 Ra7 28. Rc8 (28. Rb3 $15) 28... Ra6 ({Better is} 28... c5 $17 {And now ...c4 would win.} 29. Nb3 c4) 29. Nb3 Be6 30. Rc7+ Kf6 31. f3 exf3 32. Bxf3 h5 33. e4 Ke5 34. exd5 cxd5 35. Rc2 Bf5 36. Re2+ {The position is equal.} Be4 37. Bxe4 $1 Nc3 38. Bd3+ Nxe2+ 39. Bxe2 Rxa2 40. Kf2 $1 Rc2 {[#] Threatens to win with ...Ke4.} 41. Ke1 Ke4 {White must now prevent ...Ke3.} 42. Nd2+ Ke3 43. Nf1+ Kd4 44. h4 Kc3 45. Ne3 Rc1+ 46. Kf2 d4 47. Nd5+ Kd2 48. Nf4 Rc5 49. Bd3 g5 50. hxg5 Rxg5 51. Be2 Kc3 52. Bxh5 d3 {[#] aiming for ...Rxh5!} 53. Bf3 $1 d2 54. g4 Re5 55. Ne2+ Kd3 56. Nf4+ Kc2 57. Ng2 Re8 58. Ne3+ Kc1 59. Nc4 Rf8 60. Nxd2 (60. Ne3 {is more complex.} Re8) 60... Kxd2 {[%mdl 4096] Endgame KR-KB} 61. Kg3 Ke3 62. Bd5 Rf1 63. Bg2 Rf8 64. Bd5 Rd8 65. Bf3 Rf8 66. Bd5 Kd4 67. Bf3 Ke5 68. Bd1 Rc8 69. Ba4 Rc3+ 70. Kh4 Kf4 71. Bd7 Ke5 (71... Rc1 {with more complications.} 72. Kh5 Rc7 73. Be6 Ke5 74. Bg8 Rc8) 72. Kg5 Ra3 73. Bf5 Ra8 74. Kg6 Rg8+ 75. Kf7 Rb8 76. Kg6 Rb7 77. Bc8 $1 {[%cal Rc8b7]} Ra7 78. Bf5 Rc7 79. Bd3 Rc6+ 80. Kg5 Rc8 81. Bf5 Rg8+ 82. Kh4 Kf6 83. Kg3 Kg5 84. Kf3 Re8 85. Bd7 {Precision: White = 65%, Black = 56%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Menna Barreto, Felipe Kubiaki"]
[Black "Brito, Luismar"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2342"]
[BlackElo "2349"]
[Annotator "NA"]
[PlyCount "93"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:26]} 2. c4 {[%emt 0:00:01]} Nc6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:21]} b6 {[%emt 0:00:07] A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3} (3... g6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. cxd5 Nxd5 8. Qb3 Nxc3 9. Bc4 e6 10. bxc3 Bd7 11. Bb5 a6 12. Be2 Na5 13. Qb1 Rc8 14. O-O f6 15. c4 b6 16. c5 bxc5 17. dxc5 Bxc5 18. Bxa6 Rb8 {1-0 (34) Svidler,P (2756)-Shankland,S (2722) Hoogeveen 2018}) 4. e3 {[%emt 0:00:58]} Nf6 {[%emt 0:02:17]} 5. d4 {[%emt 0:00:30]} g6 {[%emt 0:01:24]} 6. d5 {[%emt 0:01:39]} Na5 {[%emt 0:00:24]} 7. e4 {[%emt 0:01:21]} d6 {[%emt 0:00:21]} 8. Be2 {[%emt 0:01:58]} Bg7 {[%emt 0:00:13]} 9. O-O {[%emt 0:00:14]} O-O {[%emt 0:00:08]} 10. Bd2 $146 {[%emt 0:02:35]} ({Predecessor:} 10. h3 Nd7 11. Bf4 Ne5 12. Nxe5 dxe5 13. Be3 f5 14. exf5 gxf5 {1-0 (30) Lang,Z (2246)-Lichtenstern,C (2181) Bayern 2015}) 10... Nd7 {[%emt 0:03:07]} 11. b3 {[%emt 0:03:20]} Ne5 {[%emt 0:06:34]} 12. Ne1 {[%emt 0:01:47]} f5 {[%emt 0:00:18]} 13. exf5 {[%emt 0:03:20]} Bxf5 {[%emt 0:02:01]} 14. Nf3 {[%emt 0:11:21]} Nxf3+ {[%emt 0:09:42]} 15. Bxf3 {[%emt 0:00:21]} a6 {[%emt 0:01:34]} 16. Qe2 {[%emt 0:04:16]} Ra7 {[%emt 0:01:00]} 17. Rae1 {[%emt 0:02:17]} h6 {[%emt 0:04:22]} 18. Bg4 {[%emt 0:11:44]} Kh7 {[%emt 0:00:23]} 19. h4 {[%emt 0:05:09]} Qd7 {[%emt 0:05:05]} 20. Bf3 {[%emt 0:02:02]} Qe8 {[%emt 0:02:39]} 21. Ne4 {[%emt 0:02:58]} Qf7 {[%emt 0:05:06]} 22. h5 {[%emt 0:06:09]} Be5 {[%emt 0:01:52]} 23. Ng3 {[%emt 0:03:51]} Qg7 {[%emt 0:01:49]} 24. Be4 {[%emt 0:05:43]} Rc7 {[%emt 0:04:54]} 25. hxg6+ {[%emt 0:01:51]} Bxg6 {[%emt 0:00:06]} 26. Nh5 {[%emt 0:00:37]} Qf7 {[%emt 0:00:17]} 27. Qe3 {[%emt 0:00:43]} Bg7 {[%emt 0:01:05]} 28. Nf4 {[%emt 0:00:28]} (28. Qh3 $142) 28... Qxf4 {[%emt 0:04:35]} 29. Qxf4 {[%emt 0:00:57]} Rxf4 {[%emt 0:00:04]} 30. Bxf4 {[%emt 0:00:35]} b5 {[%emt 0:00:31]} 31. Bd2 {[%emt 0:00:59]} b4 {[%emt 0:00:34]} 32. Bxg6+ {[%emt 0:00:28]} Kxg6 {[%emt 0:00:04]} 33. Re6+ {[%emt 0:00:52]} Bf6 {[%emt 0:00:09]} 34. g4 {[%emt 0:02:11]} Nb7 {[%emt 0:00:14]} 35. f4 {[%emt 0:00:12]} Nd8 {[%emt 0:00:08]} 36. Re4 {[%emt 0:00:23]} a5 {[%emt 0:00:26]} 37. Kg2 {[%emt 0:00:42]} a4 {[%emt 0:00:12]} 38. g5 {[%emt 0:02:01]} ({Resist} 38. bxa4 Ra7 $18) 38... hxg5 {[%emt 0:00:47]} 39. fxg5 {[%emt 0:00:14]} Bg7 {[%emt 0:00:34]} 40. Rfe1 {[%emt 0:02:22]} Bf8 {[%emt 0:01:28]} 41. Bf4 {[%emt 0:04:10]} Nf7 {[%emt 0:02:43]} 42. Kf3 {[%emt 0:01:00]} Ra7 {[%emt 0:01:25]} 43. Kg4 {[%emt 0:01:26]} axb3 {[%emt 0:00:42]} 44. axb3 {[%emt 0:00:02]} Ra2 {[%emt 0:00:11]} 45. Re6+ {[%emt 0:00:32]} Kg7 {[%emt 0:00:35]} 46. Kf5 {[%emt 0:01:00]} Rf2 $18 {[%emt 0:01:31]} 47. Rg6+ {[%emt 0:00:18]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Rodi, Luis Ernesto"]
[Black "Lebredo Zaragoitia, Gerardo"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2327"]
[BlackElo "2139"]
[Annotator "ChessBase"]
[PlyCount "43"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:57]} 3. d4 {[%emt 0:00:17]} cxd4 {[%emt 0:00:11]} 4. Nxd4 {[%emt 0:00:05]} a6 {[%emt 0:00:29]} 5. c4 {[%emt 0:00:45]} Nf6 {[%emt 0:01:03]} 6. Nc3 {[%emt 0:00:09]} Qc7 {[%emt 0:01:30]} 7. Be2 {[%emt 0:00:19]} Bb4 {[%emt 0:01:37]} 8. Nc2 {[%emt 0:00:15]} Bxc3+ {[%emt 0:19:44]} 9. bxc3 {[%emt 0:00:33]} Nc6 {[%emt 0:08:20]} 10. f3 {[%emt 0:00:36]} Qe5 {[%emt 0:09:08]} 11. O-O {[%emt 0:03:22]} Qxc3 {[%emt 0:13:47]} 12. Ba3 {[%emt 0:33:34]} d5 {[%emt 0:24:39]} 13. exd5 exd5 14. cxd5 {[%emt 0:07:03]} Nxd5 {[%emt 0:01:20]} 15. Qxd5 {[%emt 0:00:59]} Qxc2 {[%emt 0:00:12]} 16. Bd3 {[%emt 0:21:48]} Qc3 {[%emt 0:01:15]} 17. Rae1+ {[%emt 0:01:14]} Be6 {[%emt 0:00:38]} 18. Bc5 {[%emt 0:00:36]} Ne7 {[%emt 0:02:25]} 19. Qd6 {[%emt 0:03:21]} O-O {[%emt 0:01:09]} 20. Rc1 {[%emt 0:00:13]} Qa5 {[%emt 0:08:35]} 21. Qxe7 {[%emt 0:00:27]} Rac8 {[%emt 0:02:35]} 22. Qh4 {[%emt 0:01:12]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Guimaraes, Diogo Duarte"]
[Black "Almeida, Gianluca Jorio"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2272"]
[BlackElo "2109"]
[Annotator "ChessBase"]
[PlyCount "70"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:26:13]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:03]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:15]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:03]} a6 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:12]} Qc7 {[%emt 0:00:00]} 6. Be3 {[%emt 0:00:27]} Nf6 {[%emt 0:00:30]} 7. Bd3 {[%emt 0:04:32]} Bb4 {[%emt 0:03:49]} 8. O-O {[%emt 0:00:04]} O-O {[%emt 0:03:05]} 9. Qf3 {[%emt 0:08:28]} d6 {[%emt 0:02:58]} 10. Na4 {[%emt 0:03:40]} Nbd7 {[%emt 0:06:38]} 11. a3 {[%emt 0:00:57]} Bc5 {[%emt 0:00:32]} 12. b4 {[%emt 0:08:32]} Bxd4 {[%emt 0:17:08]} 13. Bxd4 {[%emt 0:00:04]} b5 {[%emt 0:00:11]} 14. Bxf6 {[%emt 0:06:00]} Nxf6 {[%emt 0:01:09]} 15. e5 {[%emt 0:01:34]} Bb7 {[%emt 0:02:55]} 16. Qg3 {[%emt 0:03:12]} dxe5 {[%emt 0:00:25]} 17. Nc5 {[%emt 0:00:02]} Bd5 {[%emt 0:03:25]} 18. Rae1 {[%emt 0:00:30]} Nh5 {[%emt 0:18:40]} 19. Qxe5 {[%emt 0:08:21]} Qxe5 {[%emt 0:00:07]} 20. Rxe5 {[%emt 0:00:04]} Nf4 {[%emt 0:00:14]} 21. Be4 {[%emt 0:07:22]} Rfd8 {[%emt 0:10:43]} 22. g3 {[%emt 0:00:50]} Ne2+ {[%emt 0:05:08]} 23. Kg2 {[%emt 0:00:04]} Nc3 {[%emt 0:00:33]} 24. Bxd5 {[%emt 0:01:05]} Rxd5 {[%emt 0:03:40]} 25. Re3 {[%emt 0:00:37]} Nd1 {[%emt 0:01:16]} 26. Rb3 {[%emt 0:03:56]} a5 {[%emt 0:02:26]} 27. Kf3 {[%emt 0:03:36]} a4 {[%emt 0:03:14]} 28. Rd3 {[%emt 0:00:44]} Nb2 {[%emt 0:02:13]} 29. Rxd5 {[%emt 0:00:23]} exd5 {[%emt 0:00:00]} 30. Ra1 {[%emt 0:01:49]} Nc4 {[%emt 0:00:39]} 31. Ke2 {[%emt 0:01:35]} Kf8 {[%emt 0:00:51]} 32. Kd3 {[%emt 0:00:06]} Ke7 {[%emt 0:00:47]} 33. Kd4 {[%emt 0:00:39]} Kd6 {[%emt 0:00:09]} 34. Nd3 {[%emt 0:01:57]} Re8 {[%emt 0:00:46]} 35. h4 {[%emt 0:01:41]} Re4+ {[%emt 0:00:17]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Teixeira, Ricardo Da Silva"]
[Black "Manzi, Luiz Antonio Bardar"]
[Result "0-1"]
[ECO "D63"]
[WhiteElo "2239"]
[BlackElo "2047"]
[Annotator "NA"]
[PlyCount "78"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:16:24]} e6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:02:21]} d5 {[%emt 0:01:48]} 3. d4 {[%emt 0:00:17]} Nf6 {[%emt 0:01:12]} 4. Bg5 {[%emt 0:01:14]} Be7 {[%emt 0:01:54]} 5. Nf3 {[%emt 0:00:41]} Nbd7 {[%emt 0:02:36]} 6. e3 {[%emt 0:00:20]} O-O {[%emt 0:03:08]} 7. Rc1 {[%emt 0:00:41]} a6 {[%emt 0:05:37]} 8. cxd5 {[%emt 0:04:28]} exd5 {[%emt 0:00:51]} 9. Bd3 {[%emt 0:00:03]} c5 {[%emt 0:06:37] D63: Queen's Gambit Declined: Classical: 7 Rc1} 10. O-O {[%emt 0:03:27]} c4 {[%emt 0:02:21]} 11. Bb1 {[%emt 0:00:08]} b5 {[%emt 0:00:35]} 12. Ne5 {[%emt 0:00:39]} Bb7 {[%emt 0:01:31]} 13. Qf3 $146 {[%emt 0:10:54]} ({Predecessor:} 13. Qc2 g6 14. f4 Ne4 15. Bh6 Re8 16. f5 Nxe5 17. dxe5 {0-1 (35) Gunina,V (2471)-Munguntuul,B (2410) Moscow 2011}) 13... b4 {[%emt 0:08:07]} 14. Qh3 {[%emt 0:10:18]} Re8 {[%emt 0:17:42]} 15. Nxd7 {[%emt 0:00:51]} Qxd7 {[%emt 0:00:06]} 16. Bf5 {[%emt 0:00:14]} Qc6 {[%emt 0:02:15]} 17. Bxf6 {[%emt 0:02:12]} Bxf6 {[%emt 0:00:50]} 18. Ne2 {[%emt 0:03:26]} g6 {[%emt 0:00:31]} 19. Bd7 {[%emt 0:00:25]} Qd6 {[%emt 0:01:04]} 20. Bxe8 {[%emt 0:00:19]} Rxe8 {[%emt 0:00:07]} 21. Qf3 {[%emt 0:04:35]} Kg7 {[%emt 0:00:23]} 22. b3 {[%emt 0:07:24]} c3 {[%emt 0:02:02]} 23. a3 {[%emt 0:00:02]} a5 {[%emt 0:00:45]} 24. axb4 {[%emt 0:00:19]} axb4 {[%emt 0:00:08]} 25. Ra1 {[%emt 0:00:02]} Ba6 {[%emt 0:00:27]} 26. Ra5 {[%emt 0:00:31]} ({White should play} 26. Rfd1 $16) 26... Qb6 {[%emt 0:04:37]} 27. Rfa1 {[%emt 0:02:53]} Bxe2 {[%emt 0:00:26]} 28. Qxe2 {[%emt 0:00:14]} Qxd4 {[%emt 0:00:07]} 29. Qb5 {[%emt 0:04:16]} Rxe3 {[%emt 0:00:44]} 30. fxe3 {[%emt 0:03:35]} Qxe3+ {[%emt 0:00:08]} 31. Kh1 {[%emt 0:00:19]} c2 {[%emt 0:00:27]} 32. Qf1 {[%emt 0:00:04]} Bxa1 {[%emt 0:01:28]} 33. Qxa1+ {[%emt 0:00:09]} Qc3 {[%emt 0:00:09]} 34. Qc1 {[%emt 0:03:19]} d4 {[%emt 0:00:06]} 35. h3 $19 {[%emt 0:04:04]} d3 {[%emt 0:00:18]} 36. Rd5 {[%emt 0:00:59]} Qxb3 {[%emt 0:00:06]} 37. Qg5 {[%emt 0:01:02]} Qxd5 {[%emt 0:00:18]} 38. Qxd5 {[%emt 0:00:02]} c1=Q+ {[%emt 0:00:15]} 39. Kh2 {[%emt 0:00:16]} Qc3 {[%emt 0:00:10]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Viana, Dirceu"]
[Black "Souza Neves, Andrey M."]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2201"]
[BlackElo "2074"]
[Annotator "NA"]
[PlyCount "73"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:26]} e6 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:01:46]} d5 {[%emt 0:00:26]} 3. e3 {[%emt 0:00:22]} Nf6 {[%emt 0:00:47]} 4. b3 {[%emt 0:00:30]} Be7 {[%emt 0:04:11]} 5. Bb2 {[%emt 0:00:03]} O-O {[%emt 0:00:15]} 6. Nc3 {[%emt 0:04:14]} c5 {[%emt 0:02:33]} 7. cxd5 {[%emt 0:01:38]} Nxd5 {[%emt 0:06:28]} 8. Nxd5 {[%emt 0:00:21] A13: English Opening: 1...e6} (8. h4 b6 9. Qb1 h6 10. g4 Bb7 11. Rh3 Nd7 12. g5 h5 13. Bd3 Nb4 14. Bh7+ Kh8 15. Be4 Nd5 {1-0 (24) Nepomniachtchi,I (2768)-Bacrot,E (2678) Batumi 2018}) 8... exd5 {[%emt 0:00:26]} 9. Be2 {[%emt 0:03:40]} d4 {[%emt 0:02:23]} 10. Qb1 {[%emt 0:15:34]} Bf6 {[%emt 0:06:08]} 11. O-O {[%emt 0:01:29]} Nc6 {[%emt 0:05:04]} 12. Bd3 $146 {[%emt 0:13:16]} ({Predecessor:} 12. Bb5 Bd7 13. Rc1 b6 14. Bd3 g6 15. exd4 cxd4 16. Be4 Rc8 17. d3 Re8 18. Rc4 b5 19. Rc2 Qb6 20. Qd1 Nb4 21. Rxc8 Rxc8 22. a3 Nc6 {½-½ (22) Makarichev,S (2500)-Speelman,J (2470) Hastings 1979}) 12... g6 {[%emt 0:03:45]} 13. Be4 {[%emt 0:00:10]} Bd7 {[%emt 0:02:44]} 14. Rc1 {[%emt 0:03:46]} Qb6 {[%emt 0:04:21]} 15. Qc2 {[%emt 0:08:31]} Be7 {[%emt 0:07:23]} 16. exd4 {[%emt 0:06:00]} cxd4 {[%emt 0:01:31]} 17. Bxc6 {[%emt 0:02:18]} Bxc6 {[%emt 0:04:15]} 18. Nxd4 {[%emt 0:03:14]} Bd5 {[%emt 0:12:59]} 19. Qc7 {[%emt 0:06:31]} Bf6 {[%emt 0:02:54]} 20. Qxb6 {[%emt 0:04:58]} axb6 {[%emt 0:00:47]} 21. Bc3 {[%emt 0:00:03]} Rfe8 {[%emt 0:06:07]} 22. Nb5 {[%emt 0:01:41]} Bxc3 {[%emt 0:06:42]} 23. dxc3 {[%emt 0:00:42]} Rad8 {[%emt 0:07:56]} 24. Re1 {[%emt 0:04:19]} Be6 {[%emt 0:02:51]} 25. Nd4 {[%emt 0:02:36]} Re7 {[%emt 0:01:53]} 26. Kf1 {[%emt 0:01:08]} Kg7 {[%emt 0:03:26]} 27. Rad1 {[%emt 0:01:52]} Ra8 {[%emt 0:02:38]} 28. a4 {[%emt 0:01:10]} b5 {[%emt 0:01:48]} 29. axb5 {[%emt 0:00:47]} Ra2 {[%emt 0:00:15]} 30. Nxe6+ {[%emt 0:02:39]} Rxe6 {[%emt 0:00:49]} 31. Rxe6 {[%emt 0:00:02]} fxe6 {[%emt 0:00:08]} 32. Rd7+ {[%emt 0:00:17]} Kf6 {[%emt 0:00:22]} 33. Rxh7 {[%emt 0:01:15]} e5 {[%emt 0:01:02]} 34. Rxb7 {[%emt 0:00:16]} e4 {[%emt 0:00:05]} 35. b6 {[%emt 0:01:44]} Ra1+ {[%emt 0:01:19]} 36. Ke2 {[%emt 0:00:21]} Ra2+ $18 {[%emt 0:00:27]} 37. Ke3 {[%emt 0:00:25]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Souza, Wellington"]
[Black "Reis, Virginia Lagrange M"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "2120"]
[BlackElo "1750"]
[Annotator "NA"]
[PlyCount "58"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} c5 {[%emt 0:00:11]} 3. e3 {[%emt 0:00:06]} cxd4 {[%emt 0:00:24]} 4. exd4 {[%emt 0:00:03]} d5 {[%emt 0:00:25]} 5. cxd5 {[%emt 0:02:03]} Nxd5 {[%emt 0:00:35]} 6. Nc3 {[%emt 0:01:03]} Nc6 {[%emt 0:02:19]} 7. Bb5 {[%emt 0:02:41]} e6 {[%emt 0:04:20]} 8. Nf3 {[%emt 0:00:34]} Be7 {[%emt 0:03:07]} 9. O-O {[%emt 0:04:33]} O-O {[%emt 0:00:28]} 10. Bd3 {[%emt 0:07:15]} Nf6 {[%emt 0:03:53]} 11. a3 {[%emt 0:02:57]} b6 {[%emt 0:03:53]} 12. Be3 {[%emt 0:04:56]} Bb7 {[%emt 0:02:03]} 13. Rc1 {[%emt 0:01:09]} Rc8 {[%emt 0:01:22]} 14. Bb1 {[%emt 0:03:05]} Ba6 {[%emt 0:03:36]} 15. Re1 {[%emt 0:00:18]} Qd7 {[%emt 0:01:38]} 16. Qc2 {[%emt 0:04:06]} g6 {[%emt 0:02:28]} 17. Red1 {[%emt 0:01:12]} Rfd8 {[%emt 0:01:49]} 18. b4 {[%emt 0:03:57]} Bb7 {[%emt 0:02:13]} 19. Qe2 {[%emt 0:02:35]} Qe8 {[%emt 0:04:06]} 20. h3 {[%emt 0:01:11]} Rd7 {[%emt 0:01:56]} 21. Bd3 {[%emt 0:03:29]} Nd5 {[%emt 0:05:02]} 22. Ne4 {[%emt 0:03:28]} Nxe3 {[%emt 0:02:29]} 23. Qxe3 {[%emt 0:02:17]} Qd8 {[%emt 0:04:50]} 24. Bc4 {[%emt 0:05:13]} Kg7 {[%emt 0:05:29]} 25. Qc3 {[%emt 0:09:20]} Bf6 {[%emt 0:19:48]} 26. Nxf6 {[%emt 0:00:50]} Qxf6 {[%emt 0:00:04]} 27. Qe3 {[%emt 0:01:15]} Rcd8 {[%emt 0:04:20]} 28. Bb5 {[%emt 0:00:43]} Rd6 {[%emt 0:00:54]} 29. Bxc6 {[%emt 0:02:36]} Bxc6 {[%emt 0:02:41]} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Campos, Alexandre Ferreira"]
[Black "Larrea, Manuel"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2076"]
[BlackElo "2271"]
[Annotator "ChessBase"]
[PlyCount "88"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:02:27]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:02:38]} 3. g3 {[%emt 0:00:40]} d5 {[%emt 0:00:06]} 4. Bg2 {[%emt 0:00:06]} Be7 {[%emt 0:00:04]} 5. O-O {[%emt 0:00:06]} O-O {[%emt 0:00:11]} 6. d4 {[%emt 0:06:29]} dxc4 {[%emt 0:00:07]} 7. Ne5 {[%emt 0:00:16]} Nc6 {[%emt 0:00:30]} 8. Nxc6 {[%emt 0:02:55]} bxc6 {[%emt 0:00:09]} 9. Qa4 {[%emt 0:00:22]} Qxd4 {[%emt 0:00:43]} 10. Rd1 {[%emt 0:00:48]} Qb6 {[%emt 0:06:25]} 11. Bxc6 {[%emt 0:03:07]} Ng4 {[%emt 0:10:54]} 12. Rf1 {[%emt 0:17:51]} Rb8 {[%emt 0:04:00]} 13. h3 {[%emt 0:01:49]} Ne5 {[%emt 0:04:38]} 14. Bg2 {[%emt 0:00:19]} Bc5 {[%emt 0:09:47]} 15. Nc3 {[%emt 0:03:09]} Qa6 {[%emt 0:27:39]} 16. Qc2 {[%emt 0:16:52]} Bb7 {[%emt 0:01:38]} 17. Ne4 {[%emt 0:00:59]} Be7 {[%emt 0:02:20]} 18. Bf4 {[%emt 0:00:36]} Ng6 {[%emt 0:07:56]} 19. Bxc7 {[%emt 0:01:13]} Rbc8 {[%emt 0:00:25]} 20. Bf4 {[%emt 0:00:20]} f5 {[%emt 0:03:08]} 21. Ng5 {[%emt 0:03:38]} Bxg2 {[%emt 0:01:25]} 22. Kxg2 {[%emt 0:00:04]} e5 {[%emt 0:02:14]} 23. Bd2 {[%emt 0:00:38]} Bxg5 {[%emt 0:01:54]} 24. Bxg5 {[%emt 0:00:03]} f4 {[%emt 0:00:07]} 25. h4 {[%emt 0:02:42]} h6 {[%emt 0:03:29]} 26. h5 {[%emt 0:00:38]} Qc6+ {[%emt 0:00:37]} 27. f3 {[%emt 0:01:18]} hxg5 {[%emt 0:02:18]} 28. hxg6 {[%emt 0:00:12]} Rf6 {[%emt 0:00:36]} 29. Rad1 {[%emt 0:00:37]} Rxg6 {[%emt 0:00:16]} 30. Qf5 {[%emt 0:00:45]} g4 {[%emt 0:00:36]} 31. Qxe5 {[%emt 0:03:38]} gxf3+ {[%emt 0:00:37]} 32. Rxf3 {[%emt 0:00:14]} Rxg3+ {[%emt 0:02:07]} 33. Kf2 {[%emt 0:00:40]} Rxf3+ {[%emt 0:02:16]} 34. exf3 {[%emt 0:00:28]} Qc5+ {[%emt 0:00:51]} 35. Qxc5 {[%emt 0:06:18]} Rxc5 {[%emt 0:00:02]} 36. Rc1 {[%emt 0:00:11]} Kf7 {[%emt 0:01:03]} 37. b3 {[%emt 0:00:22]} c3 {[%emt 0:00:22]} 38. Ke2 {[%emt 0:00:13]} Re5+ {[%emt 0:00:35]} 39. Kf2 {[%emt 0:01:27]} Re3 {[%emt 0:00:16]} 40. b4 {[%emt 0:10:03]} Ke6 {[%emt 0:00:44]} 41. a4 {[%emt 0:00:03]} Kd5 {[%emt 0:00:23]} 42. b5 {[%emt 0:08:01]} Kc4 {[%emt 0:00:05]} 43. Rg1 {[%emt 0:02:50]} c2 {[%emt 0:00:28]} 44. Rxg7 {[%emt 0:00:46]} Rc3 {[%emt 0:00:05]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Dos Santos, Vitor Eduardo Mello"]
[Black "De Almeida, Roberto A. Ferreira"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "2054"]
[BlackElo "1784"]
[Annotator "NA"]
[PlyCount "99"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. a3 {[%emt 0:02:23]} e5 {[%emt 0:01:45]} 2. e4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:22]} 3. Nc3 {[%emt 0:00:07]} Bc5 {[%emt 0:01:03]} 4. Bc4 {[%emt 0:00:16]} Nc6 {[%emt 0:01:15]} 5. Nf3 {[%emt 0:05:36]} O-O {[%emt 0:00:21] C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} 6. d3 {[%emt 0:01:13]} a6 {[%emt 0:02:41]} (6... h6 7. O-O d6 8. Na4 Bb6 9. b4 Qe7 10. Bd2 Be6 11. Bxe6 Qxe6 12. c4 Bd4 13. Rb1 a6 14. b5 axb5 15. cxb5 Nd8 16. Nxd4 exd4 {½-½ (24) Lagarde,M (2615)-Barbot,P (2420) Cannes 2018}) 7. Bg5 {[%emt 0:02:55]} Be7 {[%emt 0:00:09]} 8. h3 {[%emt 0:05:06]} b5 {[%emt 0:02:19]} 9. Bb3 {[%emt 0:03:31]} d6 {[%emt 0:00:36]} 10. O-O {[%emt 0:00:43]} Nd7 $146 {[%emt 0:02:22]} ({Predecessor:} 10... Na5 11. Ba2 c5 12. Bxf6 Bxf6 13. Nd5 Be6 14. Nh2 {1-0 (29) Assa,O-Nnubia,U Lagos 2015}) 11. Be3 {[%emt 0:01:57]} Kh8 {[%emt 0:03:21]} 12. Ne2 {[%emt 0:21:32]} Na5 {[%emt 0:00:40]} 13. Ba2 {[%emt 0:00:39]} c5 {[%emt 0:00:14]} 14. Ng3 {[%emt 0:05:29]} Nf6 {[%emt 0:02:05]} 15. c3 {[%emt 0:04:08]} c4 {[%emt 0:01:28]} 16. d4 {[%emt 0:01:11]} Nd7 {[%emt 0:05:06]} 17. Nh2 {[%emt 0:03:20]} Nf6 {[%emt 0:02:01]} 18. f3 {[%emt 0:05:23]} Qc7 {[%emt 0:02:12]} 19. Qe2 {[%emt 0:00:54]} Nc6 {[%emt 0:00:52]} 20. d5 {[%emt 0:00:58]} Na5 {[%emt 0:03:03]} 21. f4 {[%emt 0:03:20]} exf4 {[%emt 0:01:33]} 22. Rxf4 {[%emt 0:05:55]} Nb7 {[%emt 0:01:50]} 23. Raf1 {[%emt 0:00:57]} Nc5 {[%emt 0:03:28]} 24. Bd4 {[%emt 0:01:33]} Nd3 {[%emt 0:01:47]} 25. R4f3 {[%emt 0:05:41]} Ne5 {[%emt 0:00:49]} 26. R3f2 {[%emt 0:00:19]} a5 {[%emt 0:04:00]} 27. Nf5 {[%emt 0:03:09]} Bxf5 {[%emt 0:01:00]} 28. Rxf5 {[%emt 0:00:02]} Rae8 {[%emt 0:01:16]} 29. Bb1 {[%emt 0:01:27]} Qb7 {[%emt 0:01:39]} 30. Kh1 {[%emt 0:04:21]} Bd8 {[%emt 0:01:09]} 31. Qf2 {[%emt 0:01:22]} Nfd7 {[%emt 0:04:55]} 32. Qg3 {[%emt 0:05:45]} b4 {[%emt 0:05:32]} 33. axb4 {[%emt 0:00:11]} axb4 {[%emt 0:00:03]} 34. cxb4 {[%emt 0:01:19]} Qxb4 {[%emt 0:00:21]} 35. Ng4 {[%emt 0:00:22]} Qd2 {[%emt 0:00:50]} 36. Bc3 {[%emt 0:00:31]} Qe2 {[%emt 0:01:10]} 37. R5f2 {[%emt 0:00:34]} Qxf2 {[%emt 0:02:15]} 38. Rxf2 {[%emt 0:00:36]} Nxg4 {[%emt 0:01:03]} 39. Qxg4 {[%emt 0:00:05]} Ne5 {[%emt 0:00:26]} 40. Bxe5 {[%emt 0:00:18]} Rxe5 {[%emt 0:03:26]} 41. Qd7 {[%emt 0:00:33]} Be7 {[%emt 0:02:15]} 42. Rf5 {[%emt 0:00:13]} Bf6 {[%emt 0:04:44]} 43. Qxd6 {[%emt 0:01:09]} Ree8 {[%emt 0:00:38]} 44. Rxf6 {[%emt 0:00:26]} gxf6 {[%emt 0:00:27]} 45. Qxf6+ {[%emt 0:00:05]} Kg8 {[%emt 0:00:14]} 46. Qg5+ {[%emt 0:00:02]} Kh8 {[%emt 0:00:18]} 47. Qf6+ {[%emt 0:00:03]} Kg8 {[%emt 0:00:25]} 48. e5 {[%emt 0:00:05]} Ra8 {[%emt 0:01:03]} 49. Qg5+ {[%emt 0:00:18]} Kh8 {[%emt 0:02:09]} 50. Qf5 {[%emt 0:00:07]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Brito, Vicente De Paulo Al"]
[Black "Pimentel, Rafael Favarin G."]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2044"]
[BlackElo "1886"]
[Annotator "NA"]
[PlyCount "72"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:00]} 3. exd5 {[%emt 0:01:26]} cxd5 {[%emt 0:00:00]} 4. Bd3 {[%emt 0:00:15]} Nc6 {[%emt 0:00:00]} 5. c3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:06]} 6. Bf4 {[%emt 0:00:22]} g6 {[%emt 0:01:05]} 7. Ne2 {[%emt 0:02:43] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (7. Nf3 Bf5 8. Bxf5 gxf5 9. Ne5 e6 10. Nd2 Bd6 11. g3 Qc7 12. Qe2 h5 13. Ndf3 Ne4 14. Nxc6 Qxc6 15. Bxd6 Nxd6 {0-1 (50) Demchenko,A (2660)-Melkumyan,H (2633) Riadh 2017}) 7... Bf5 {[%emt 0:05:36]} 8. Bxf5 {[%emt 0:04:50]} gxf5 {[%emt 0:00:01]} 9. Ng3 {[%emt 0:01:20]} e6 {[%emt 0:00:15]} 10. Qe2 {[%emt 0:10:34]} Ne4 $146 {[%emt 0:10:59]} ({Predecessor:} 10... Be7 11. Nd2 Qb6 12. Nf3 Ne4 13. Ne5 Nxe5 14. Bxe5 f6 {½-½ (80) Tomcikova,D (1936)-Zetocha,A (2152) Banska Bystrica 2017}) 11. Nd2 {[%emt 0:30:48]} Bd6 {[%emt 0:01:27]} 12. Bxd6 {[%emt 0:05:04]} Qxd6 {[%emt 0:00:06]} 13. Ngxe4 {[%emt 0:05:42]} fxe4 {[%emt 0:00:22]} 14. f3 {[%emt 0:00:30]} exf3 {[%emt 0:02:06]} 15. Nxf3 {[%emt 0:00:25]} f6 {[%emt 0:01:11]} 16. O-O {[%emt 0:08:35]} O-O-O {[%emt 0:01:55]} 17. b4 {[%emt 0:00:43]} Kb8 {[%emt 0:01:30]} 18. a4 {[%emt 0:04:23]} Rde8 {[%emt 0:05:36]} 19. b5 {[%emt 0:05:32]} Ne7 {[%emt 0:06:16]} 20. c4 {[%emt 0:02:47]} dxc4 {[%emt 0:00:59]} 21. Qxc4 {[%emt 0:00:01]} Nd5 {[%emt 0:00:25]} 22. Rae1 {[%emt 0:02:45]} Rhg8 {[%emt 0:02:04]} 23. Qc5 {[%emt 0:02:49]} Qxc5 {[%emt 0:20:08]} 24. dxc5 {[%emt 0:00:00]} Nf4 {[%emt 0:00:18]} 25. Nh4 {[%emt 0:03:30]} Nd3 {[%emt 0:00:28]} 26. Re3 {[%emt 0:01:17]} Nxc5 {[%emt 0:00:55]} 27. Rxf6 {[%emt 0:00:28]} Rg4 {[%emt 0:02:09]} 28. Nf5 {[%emt 0:01:25]} Rd8 {[%emt 0:07:03]} 29. Nh6 {[%emt 0:02:28]} Rxa4 {[%emt 0:00:28]} 30. Rf7 {[%emt 0:00:28]} Rd1+ {[%emt 0:01:48]} 31. Kf2 {[%emt 0:00:22]} Ne4+ {[%emt 0:00:20]} 32. Rxe4 {[%emt 0:00:11]} Rxe4 {[%emt 0:00:10]} 33. g4 {[%emt 0:02:35]} Rd3 $19 {[%emt 0:01:44]} 34. Kg2 {[%emt 0:01:48]} Re2+ {[%emt 0:00:12]} 35. Rf2 {[%emt 0:00:00]} Rxf2+ {[%emt 0:00:15]} 36. Kxf2 {[%emt 0:00:01]} Rh3 {[%emt 0:00:08]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Torella, Rodolfo"]
[Black "Souza Jr, Helemberg Cubica De"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2036"]
[BlackElo "1753"]
[Annotator "NA"]
[PlyCount "39"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:36]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:10]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:24]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:20]} e6 {[%emt 0:00:13]} 6. Be3 {[%emt 0:01:21]} Be7 {[%emt 0:00:06]} 7. f4 {[%emt 0:02:25]} Nc6 {[%emt 0:03:04]} 8. Qf3 {[%emt 0:01:55]} O-O {[%emt 0:03:11]} 9. O-O-O {[%emt 0:04:31]} Nxd4 {[%emt 0:07:38]} 10. Bxd4 {[%emt 0:02:02]} e5 {[%emt 0:07:49]} 11. fxe5 {[%emt 0:00:30]} Bg4 {[%emt 0:00:13]} 12. exf6 {[%emt 0:01:27]} Bxf3 {[%emt 0:00:19]} 13. fxe7 {[%emt 0:00:15]} Qxe7 {[%emt 0:00:35]} 14. gxf3 {[%emt 0:00:12]} Qh4 {[%emt 0:09:26]} 15. Bc4 {[%emt 0:12:34]} Qf4+ {[%emt 0:02:59]} 16. Kb1 {[%emt 0:00:52]} Qxf3 {[%emt 0:00:17]} 17. Rhg1 {[%emt 0:02:08]} g6 {[%emt 0:00:30]} 18. Rd3 {[%emt 0:02:42]} Qf4 {[%emt 0:04:04]} 19. Nd5 {[%emt 0:00:20]} Qh4 {[%emt 0:03:47]} 20. Bf6 {[%emt 0:00:59]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Urquiza, Marcello de Albuque"]
[Black "Rocha, Vitor Firmo De Souz"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2018"]
[BlackElo "2174"]
[Annotator "ChessBase"]
[PlyCount "124"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:00]} 3. Nd2 {[%emt 0:00:46]} dxe4 {[%emt 0:00:00]} 4. Nxe4 {[%emt 0:00:09]} Bf5 {[%emt 0:00:12]} 5. Ng3 {[%emt 0:00:16]} Bg6 {[%emt 0:00:03]} 6. h4 {[%emt 0:00:30]} h6 {[%emt 0:00:04]} 7. h5 {[%emt 0:00:57]} Bh7 {[%emt 0:01:35]} 8. Nf3 {[%emt 0:00:11]} Nd7 {[%emt 0:00:06]} 9. Bd3 {[%emt 0:00:15]} Bxd3 {[%emt 0:00:05]} 10. Qxd3 {[%emt 0:00:08]} e6 {[%emt 0:00:04]} 11. Bd2 {[%emt 0:02:49]} Qc7 {[%emt 0:00:11]} 12. O-O-O {[%emt 0:01:32]} Ngf6 {[%emt 0:00:15]} 13. Ne4 {[%emt 0:04:57]} O-O-O {[%emt 0:00:08]} 14. Qe2 {[%emt 0:07:26]} Nxe4 {[%emt 0:01:15]} 15. Qxe4 {[%emt 0:00:28]} Nf6 {[%emt 0:00:05]} 16. Qe2 {[%emt 0:00:07]} Bd6 {[%emt 0:00:08]} 17. g3 {[%emt 0:04:19]} Kb8 {[%emt 0:04:08]} 18. Ne5 {[%emt 0:04:30]} Ka8 {[%emt 0:03:31]} 19. Nc4 {[%emt 0:10:56]} c5 {[%emt 0:03:43]} 20. Nxd6 {[%emt 0:08:31]} Qxd6 {[%emt 0:00:06]} 21. Bf4 {[%emt 0:00:40]} Qd5 {[%emt 0:00:13]} 22. c4 {[%emt 0:12:34]} Qe4 {[%emt 0:00:29]} 23. Qxe4 {[%emt 0:00:10]} Nxe4 {[%emt 0:00:05]} 24. Be3 {[%emt 0:00:04]} cxd4 {[%emt 0:06:20]} 25. Rxd4 {[%emt 0:08:32]} Rxd4 {[%emt 0:01:13]} 26. Bxd4 {[%emt 0:00:19]} e5 {[%emt 0:00:32]} 27. Be3 {[%emt 0:02:20]} Rd8 {[%emt 0:05:38]} 28. g4 {[%emt 0:01:46]} b6 {[%emt 0:12:43]} 29. Rd1 {[%emt 0:01:40]} Rc8 {[%emt 0:05:51]} 30. b3 {[%emt 0:00:42]} Nf6 {[%emt 0:00:22]} 31. f3 {[%emt 0:00:20]} Kb7 {[%emt 0:01:20]} 32. Kd2 {[%emt 0:03:58]} Kc6 {[%emt 0:03:36]} 33. Ke2 {[%emt 0:01:47]} a5 {[%emt 0:01:04]} 34. Bc1 {[%emt 0:00:38]} Re8 {[%emt 0:06:04]} 35. Bb2 {[%emt 0:01:14]} g6 {[%emt 0:02:36]} 36. hxg6 {[%emt 0:02:33]} fxg6 {[%emt 0:01:00]} 37. Ba3 {[%emt 0:00:14]} Re6 {[%emt 0:00:37]} 38. Rd8 {[%emt 0:02:10]} Ne8 {[%emt 0:00:56]} 39. Ke3 {[%emt 0:02:54]} Kc7 {[%emt 0:02:06]} 40. Rd2 {[%emt 0:00:29]} Nf6 {[%emt 0:01:56]} 41. Rh2 {[%emt 0:04:33]} h5 {[%emt 0:00:33]} 42. gxh5 {[%emt 0:00:08]} Nxh5 {[%emt 0:00:27]} 43. Rg2 {[%emt 0:02:25]} Kc6 {[%emt 0:11:21]} 44. Bb2 {[%emt 0:00:43]} Ng7 {[%emt 0:00:24]} 45. Ke4 {[%emt 0:02:13]} a4 {[%emt 0:08:31]} 46. Bxe5 {[%emt 0:00:33]} Nf5 {[%emt 0:01:07]} 47. f4 {[%emt 0:02:07]} Kc5 {[%emt 0:01:41]} 48. Kd3 {[%emt 0:01:23]} axb3 {[%emt 0:01:47]} 49. axb3 {[%emt 0:00:06]} Kb4 {[%emt 0:00:24]} 50. Rb2 {[%emt 0:01:02]} Ka3 {[%emt 0:00:40]} 51. Kc3 {[%emt 0:01:15]} g5 {[%emt 0:05:08]} 52. Rb1 {[%emt 0:01:04]} Ka2 {[%emt 0:00:14]} 53. Re1 {[%emt 0:00:30]} gxf4 {[%emt 0:00:36]} 54. Kb4 {[%emt 0:00:10]} Nd4 {[%emt 0:00:30]} 55. Kc3 {[%emt 0:02:11]} Nf3 {[%emt 0:02:04]} 56. Rf1 {[%emt 0:01:15]} Nxe5 {[%emt 0:00:44]} 57. Rf2+ {[%emt 0:00:18]} Ka3 {[%emt 0:00:37]} 58. Rf1 {[%emt 0:00:09]} Ka2 {[%emt 0:00:17]} 59. Rf2+ {[%emt 0:00:05]} Kb1 {[%emt 0:00:38]} 60. Rf1+ {[%emt 0:00:01]} Ka2 {[%emt 0:00:08]} 61. Rf2+ {[%emt 0:00:03]} Ka3 {[%emt 0:00:06]} 62. Rf1 {[%emt 0:00:04]} Ka2 {[%emt 0:00:07]} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Nascimento, Pedro Henrique Alve"]
[Black "Barreto, Ignacio C. De Barro"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2007"]
[BlackElo "2222"]
[Annotator "NA"]
[PlyCount "92"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:01:25]} 2. c4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:40]} 3. Nf3 {[%emt 0:00:54]} e6 {[%emt 0:00:10]} 4. Bg5 {[%emt 0:02:17]} h6 {[%emt 0:00:55]} 5. Bh4 {[%emt 0:00:17]} Bb4+ {[%emt 0:02:31]} 6. Nc3 {[%emt 0:01:52]} Bxc3+ {[%emt 0:03:43] E30: Nimzo-Indian: Leningrad Variation} (6... g5 7. Bg3 Ne4 8. Qc2 d5 9. e3 h5 10. h3 Nxg3 11. fxg3 Qd6 12. Kf2 Qd8 13. cxd5 exd5 14. Bb5 Kf8 15. a3 Be7 16. Bxc6 bxc6 {0-1 (40) Sarkar,J (2307)-Gutman,G (2476) Pardubice 2018}) 7. bxc3 {[%emt 0:00:09]} Qe7 {[%emt 0:00:58]} 8. Qc2 {[%emt 0:01:31]} d6 {[%emt 0:00:56]} 9. e4 {[%emt 0:00:49]} e5 {[%emt 0:02:29]} 10. d5 {[%emt 0:05:43]} Nb8 {[%emt 0:00:28]} 11. Be2 $146 {[%emt 0:00:26]} ({Predecessor:} 11. c5 dxc5 12. Bb5+ Nbd7 13. Bg3 O-O {0-1 (26) Nascimento,P (1834)-Cunha,L (2225) Brasilia 2013}) 11... Nbd7 {[%emt 0:01:13]} 12. O-O {[%emt 0:00:30]} Nf8 {[%emt 0:04:40]} 13. Nd2 {[%emt 0:03:04]} g5 {[%emt 0:05:00]} 14. Bg3 {[%emt 0:00:16]} Ng6 {[%emt 0:00:14]} 15. Rfd1 {[%emt 0:11:17]} h5 {[%emt 0:04:40]} 16. f3 {[%emt 0:00:25]} g4 {[%emt 0:12:07]} 17. c5 {[%emt 0:01:33]} h4 {[%emt 0:05:45]} 18. Bf2 {[%emt 0:04:48]} g3 {[%emt 0:01:13]} 19. hxg3 {[%emt 0:01:15]} hxg3 {[%emt 0:00:22]} 20. Bxg3 {[%emt 0:00:24]} Nh5 {[%emt 0:00:14]} 21. cxd6 {[%emt 0:01:08]} cxd6 {[%emt 0:02:54]} 22. Bb5+ {[%emt 0:00:34]} Kf8 {[%emt 0:00:48]} 23. Nf1 {[%emt 0:01:30]} Qg5 {[%emt 0:10:21]} 24. Qd2 {[%emt 0:02:01]} Ngf4 {[%emt 0:01:06]} 25. Bxf4 {[%emt 0:01:06]} exf4 {[%emt 0:00:37]} 26. g4 {[%emt 0:03:22]} Nf6 {[%emt 0:03:19]} 27. Qg2 {[%emt 0:05:14]} Rh4 {[%emt 0:04:14]} 28. Nh2 {[%emt 0:01:43]} Kg7 {[%emt 0:00:56]} 29. c4 {[%emt 0:00:55]} Bd7 {[%emt 0:06:42]} 30. Bxd7 {[%emt 0:00:31]} Nxd7 {[%emt 0:00:01]} 31. Kf2 {[%emt 0:06:15]} Rah8 {[%emt 0:01:44]} 32. Nf1 {[%emt 0:03:08]} Ne5 {[%emt 0:00:32]} 33. Rac1 {[%emt 0:00:46]} b6 {[%emt 0:01:33]} 34. a4 $2 {[%emt 0:00:48]} (34. Rc3 Rh1 35. Ke2) 34... Rh3 $19 {[%emt 0:03:03]} 35. Rc3 {[%emt 0:00:21]} Qf6 {[%emt 0:05:42]} 36. Rdc1 {[%emt 0:02:53]} Nd3+ {[%emt 0:01:15]} 37. Rxd3 {[%emt 0:01:46]} Qb2+ {[%emt 0:00:04]} 38. Rd2 {[%emt 0:00:27]} Qxc1 {[%emt 0:00:12]} 39. Re2 {[%emt 0:00:37]} Qxc4 {[%emt 0:00:25]} 40. g5 {[%emt 0:00:33]} Qd4+ {[%emt 0:00:47]} 41. Ke1 {[%emt 0:00:20]} Rh1 {[%emt 0:00:28]} 42. g6 {[%emt 0:00:46]} fxg6 {[%emt 0:00:16]} 43. Rd2 {[%emt 0:00:25]} Qc4 {[%emt 0:01:49]} 44. Qe2 {[%emt 0:01:11]} Qc1+ {[%emt 0:01:21]} 45. Rd1 {[%emt 0:00:22]} Qc3+ {[%emt 0:00:06]} 46. Kf2 {[%emt 0:00:45]} R8h2+ {[%emt 0:00:31]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Chang, Suzana"]
[Black "Santos Filho, Tadeu Sousa"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "1968"]
[BlackElo "2078"]
[Annotator "NA RC"]
[PlyCount "134"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:09]} e6 {[%emt 0:01:39]} 2. g3 {[%emt 0:00:38]} f5 {[%emt 0:00:06]} 3. Bg2 {[%emt 0:00:08]} Nf6 {[%emt 0:00:04]} 4. Nh3 {[%emt 0:02:46]} d5 {[%emt 0:01:27]} 5. O-O {[%emt 0:00:05]} Bd6 {[%emt 0:00:17]} 6. c4 {[%emt 0:00:18]} c6 {[%emt 0:00:06]} 7. Qc2 {[%emt 0:00:06]} O-O {[%emt 0:00:12]} 8. Bf4 {[%emt 0:00:03]} Be7 {[%emt 0:04:05]} 9. Nd2 {[%emt 0:01:09]} Nh5 {[%emt 0:01:52] A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6)} (9... h6 10. Bxb8 Rxb8 11. Nf4 Qe8 12. Nd3 b6 13. b4 Ne4 14. Nf3 Ba6 15. Nfe5 Bf6 16. c5 Bxd3 17. exd3 Ng5 18. f4 Nf7 19. Qa4 Nxe5 20. dxe5 Be7 21. d4 a5 22. a3 b5 23. Qc2 a4 {½-½ (23) Kuybokarov,T (2499)-Maghsoodloo,P (2636) Abu Dhabi 2018}) 10. e3 {[%emt 0:16:18]} g5 {[%emt 0:15:50]} 11. Be5 {[%emt 0:08:58]} Nd7 {[%emt 0:02:47]} 12. f4 {[%emt 0:01:05]} g4 {[%emt 0:03:21]} 13. Nf2 {[%emt 0:00:27]} Bf6 $146 {[%emt 0:11:33]} ({Predecessor:} 13... Nxe5 14. fxe5 Bd7 15. Nd3 Ng7 16. Rac1 h5 17. Nf4 {½-½ (42) Christensen,T (2225)-Rathlev,J (2231) Denmark 2017}) 14. Rac1 {[%emt 0:15:39]} Ng7 {[%emt 0:06:53]} 15. b4 {[%emt 0:06:10]} h5 {[%emt 0:02:56]} 16. b5 {[%emt 0:04:06]} h4 {[%emt 0:00:35]} 17. cxd5 {[%emt 0:10:21]} cxd5 {[%emt 0:03:56]} 18. Rfe1 {[%emt 0:05:25]} hxg3 {[%emt 0:06:45]} 19. hxg3 {[%emt 0:00:03]} Nh5 {[%emt 0:00:09]} 20. Nf1 {[%emt 0:00:13]} Nb6 {[%emt 0:05:05]} (20... Nxe5 $15 21. fxe5 (21. dxe5 Be7 $15) 21... Be7) 21. Bc7 {[%emt 0:10:55]} Qe8 {[%emt 0:03:38]} 22. Bxb6 {[%emt 0:00:41]} axb6 {[%emt 0:00:25]} 23. a4 {[%emt 0:00:43]} Rf7 {[%emt 0:05:42]} 24. Qb3 {[%emt 0:01:19]} Be7 {[%emt 0:02:43]} 25. Rc2 {[%emt 0:01:30]} Bd6 {[%emt 0:00:10]} 26. Rec1 {[%emt 0:00:07]} Bd7 {[%emt 0:01:56]} 27. Nd3 {[%emt 0:00:13]} Rf8 {[%emt 0:01:49]} 28. Kf2 {[%emt 0:00:27]} Kg7 {[%emt 0:01:02]} 29. Ne5 {[%emt 0:01:38]} Qd8 {[%emt 0:00:32]} 30. Nd3 {[%emt 0:02:24]} Rh8 {[%emt 0:03:03]} 31. Ne5 {[%emt 0:00:38]} Qe7 {[%emt 0:05:23]} 32. Nd3 {[%emt 0:00:35]} Ra7 {[%emt 0:01:04]} 33. Ne5 {[%emt 0:02:32]} Rha8 {[%emt 0:00:29]} 34. Ra2 {[%emt 0:01:52]} Rh8 {[%emt 0:01:04]} 35. Rac2 {[%emt 0:00:12]} Rha8 {[%emt 0:00:22]} 36. Ra2 {[%emt 0:00:01]} Qe8 {[%emt 0:00:10]} 37. Rcc2 {[%emt 0:00:52]} Qe7 {[%emt 0:01:14]} 38. Rc1 {[%emt 0:00:32]} Ra5 {[%emt 0:00:25]} 39. Rcc2 {[%emt 0:00:02]} Rh8 {[%emt 0:00:45]} 40. Rc1 {[%emt 0:00:36]} Rha8 {[%emt 0:02:41]} 41. Rcc2 {[%emt 0:00:02]} Qe8 {[%emt 0:00:16]} 42. Kg1 {[%emt 0:00:49]} R8a7 {[%emt 0:01:23]} 43. Kf2 {[%emt 0:01:00]} Nf6 {[%emt 0:00:13]} 44. Kg1 {[%emt 0:00:55]} Qa8 {[%emt 0:00:43]} 45. Nxd7 {[%emt 0:03:59]} Nxd7 {[%emt 0:00:59] [#]} 46. Bxd5 $1 {[%emt 0:00:17]} exd5 {[%emt 0:01:26]} 47. Qxd5 {[%emt 0:00:03]} Qf8 {[%emt 0:00:27]} 48. e4 {[%emt 0:01:12]} fxe4 {[%emt 0:01:25]} 49. Rh2 {[%emt 0:03:15]} Nf6 {[%emt 0:01:27] [#]} 50. Qg5+ $2 {[%emt 0:00:48]} ({White must play} 50. Qf5 $1 $18 Bc5 51. Kh1 (51. dxc5 Qxc5+ 52. Qxc5 bxc5 $15)) 50... Kf7 {[%emt 0:00:36] [#]} 51. Rac2 $2 {[%emt 0:00:20] [#]} (51. Nd2 $1 $16 {[%cal Rd2e4] is forced if you want to stay better.} Qg7 {[#]} 52. Nxe4 $1 {[%mdl 512]} Qxg5 53. Nxd6+ Kg8 54. fxg5) 51... Rxa4 {[%emt 0:01:06]} (51... Qg7 $1 $17 52. Ne3 Rxa4 53. Qxg7+ Kxg7 54. Nf5+ Kg6 55. Nxd6 Rxd4) 52. Qf5 {[%emt 0:00:09]} Ra8 $2 {[%emt 0:00:45]} (52... Qg7 $11 {and Black stays safe.} 53. d5 Bc5+ 54. Rxc5 bxc5) 53. Rh7+ $1 {[%emt 0:00:31]} Qg7 {[%emt 0:01:15]} 54. Rxg7+ {[%emt 0:00:26]} Kxg7 {[%emt 0:00:04]} 55. Qe6 {[%emt 0:01:08]} Rxd4 {[%emt 0:00:36]} 56. Qf5 $2 {[%emt 0:00:31]} ({White must play} 56. Ne3 $18 Bc5 57. Nf5+ Kg6 58. Nxd4 Bxd4+ 59. Kh2) 56... Bc5 {[%emt 0:00:41]} ({Black should play} 56... Rd5 $17 57. Ne3 Bc5 58. Rxc5 Ra1+ 59. Kh2 Rd2+ 60. Ng2 bxc5 61. Qg5+ Kf7) 57. Qg5+ {[%emt 0:00:01]} Kf7 {[%emt 0:00:25]} 58. Kg2 {[%emt 0:00:12]} Ra1 $2 {[%emt 0:00:34]} (58... Rg8 $11 59. Qe5 Rd5 60. Qc7+ Rd7 61. Rxc5 bxc5 62. Qxc5 Ra8) 59. f5 {[%emt 0:00:07]} Rdd1 $2 {[%emt 0:00:24]} (59... Rd6 60. Ne3 Ke8) 60. Qg6+ {[%emt 0:00:12]} Kf8 $2 {[%emt 0:01:05]} (60... Ke7 61. Qg7+ Ke8 62. Qxf6 Rxf1 63. Qe6+ Kf8 64. Qxe4 Rh1 65. Qxg4 Rag1+ 66. Kf3 Rf1+ 67. Ke4 Rd1) 61. Qxf6+ {[%emt 0:00:14]} Ke8 {[%emt 0:00:23]} 62. Qe6+ {[%emt 0:01:21]} Kd8 {[%emt 0:00:15]} 63. Rd2+ $18 {[%emt 0:01:18]} Rxd2+ {[%emt 0:00:48]} 64. Nxd2 {[%emt 0:00:01]} e3 {[%emt 0:00:32]} 65. Nf1 {[%emt 0:01:02]} Re1 {[%emt 0:00:30]} 66. f6 {[%emt 0:00:35]} e2 {[%emt 0:00:13]} 67. Nd2 {[%emt 0:00:25]} Rg1+ {[%emt 0:00:19]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Ramos, Angelo Bil"]
[Black "Okamura, Milton Kasuo"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "1952"]
[BlackElo "2038"]
[Annotator "NA RC"]
[PlyCount "153"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:32]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:07]} Nc6 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:02:49]} Qc7 {[%emt 0:00:09]} 6. Be2 {[%emt 0:04:56]} a6 {[%emt 0:01:23]} 7. O-O {[%emt 0:00:11]} Nf6 {[%emt 0:00:13]} 8. a3 {[%emt 0:02:35]} Be7 {[%emt 0:01:24]} 9. Kh1 {[%emt 0:04:22]} O-O {[%emt 0:01:33]} 10. f4 {[%emt 0:00:39]} d6 {[%emt 0:00:26]} 11. Nf3 {[%emt 0:01:21] B84: Sicilian Scheveningen: 6 Be2 a6, lines without early Be3} (11. Be3 b5 12. Qe1 Bb7 13. Qg3 {1-0 (13) Fedorchuk,S (2650)-Guliyev,N (2507) Paris 2011}) 11... b5 {[%emt 0:03:25]} 12. Bd3 {[%emt 0:05:26]} Bb7 {[%emt 0:02:33]} 13. Qe2 {[%emt 0:00:16]} b4 $146 {[%emt 0:12:41]} ({Predecessor:} 13... Rfd8 14. h3 Rac8 15. g4 d5 16. e5 Nd7 17. g5 Nc5 {0-1 (48) Tlapa,V (1715)-Hampek,M Klatovy 1997}) 14. axb4 {[%emt 0:03:45]} Nxb4 {[%emt 0:00:30]} 15. Bd2 {[%emt 0:00:12]} Nxd3 {[%emt 0:08:23]} 16. cxd3 {[%emt 0:00:15]} d5 {[%emt 0:01:10]} 17. e5 {[%emt 0:00:51]} Nd7 {[%emt 0:00:15]} 18. Rfc1 {[%emt 0:02:40]} Qb8 {[%emt 0:02:37]} 19. Nd4 {[%emt 0:03:40]} g6 {[%emt 0:02:40]} 20. Na4 {[%emt 0:06:19]} Rc8 {[%emt 0:03:56]} 21. Be3 {[%emt 0:01:37]} Rxc1+ {[%emt 0:05:20]} 22. Rxc1 {[%emt 0:00:23]} Qe8 {[%emt 0:00:14]} 23. Rc7 {[%emt 0:06:22]} Rb8 {[%emt 0:00:48]} 24. b3 {[%emt 0:00:57]} Qd8 {[%emt 0:03:51]} 25. Qc2 {[%emt 0:05:53]} Rc8 {[%emt 0:01:02]} 26. Rxc8 {[%emt 0:00:12]} Qxc8 {[%emt 0:00:12]} 27. Qxc8+ {[%emt 0:01:58]} Bxc8 {[%emt 0:00:05]} 28. Nc6 {[%emt 0:01:06]} Ba3 {[%emt 0:02:21]} 29. Kg1 {[%emt 0:02:06]} Kf8 {[%emt 0:02:05]} 30. Kf2 {[%emt 0:00:12]} Ke8 {[%emt 0:11:06]} 31. Ke2 {[%emt 0:00:51]} Bb7 {[%emt 0:06:25]} 32. Nd4 {[%emt 0:00:54]} Be7 {[%emt 0:00:30]} 33. g3 {[%emt 0:00:27]} Kd8 {[%emt 0:00:48]} 34. Kd2 {[%emt 0:01:17]} Kc7 {[%emt 0:00:44]} 35. Kc3 {[%emt 0:00:18]} Nb8 {[%emt 0:05:41]} 36. Nc2 {[%emt 0:03:47]} Nd7 {[%emt 0:03:04]} 37. b4 {[%emt 0:02:09]} Bc8 {[%emt 0:07:32]} 38. Nd4 {[%emt 0:02:51]} Nb8 {[%emt 0:02:38]} 39. Nb3 {[%emt 0:01:29]} Nc6 {[%emt 0:00:58]} 40. Bc5 {[%emt 0:01:37]} Bd7 {[%emt 0:03:32]} 41. Bxe7 {[%emt 0:03:39]} Nxe7 {[%emt 0:00:03]} 42. Nac5 {[%emt 0:00:13]} Bc8 {[%emt 0:00:20]} 43. Nd4 {[%emt 0:00:11]} Kb6 {[%emt 0:01:10]} 44. Kb3 {[%emt 0:02:39]} Nc6 {[%emt 0:02:48]} 45. Na4+ {[%emt 0:01:59]} Kc7 {[%emt 0:00:25]} 46. Nxc6 {[%emt 0:00:28]} Kxc6 {[%emt 0:00:04]} 47. d4 {[%emt 0:00:37]} Kb5 {[%emt 0:01:16]} 48. Nc3+ {[%emt 0:01:13]} Kb6 {[%emt 0:00:17]} 49. Nd1 {[%emt 0:01:33]} Bd7 {[%emt 0:00:27]} 50. Ne3 {[%emt 0:00:18]} h5 {[%emt 0:01:38]} 51. h4 {[%emt 0:01:46]} a5 {[%emt 0:01:07]} 52. g4 {[%emt 0:00:44]} hxg4 {[%emt 0:00:59]} 53. Nxg4 {[%emt 0:00:12]} a4+ {[%emt 0:00:33]} 54. Kc3 $1 {[%emt 0:03:01]} Kb5 {[%emt 0:00:10]} 55. Ne3 {[%emt 0:00:10]} Bc6 {[%emt 0:00:15]} 56. Nc2 {[%emt 0:00:32]} a3 {[%emt 0:02:07]} 57. Nxa3+ {[%emt 0:00:33]} Ka4 {[%emt 0:00:01]} 58. Nb1 {[%emt 0:02:21]} Bb5 {[%emt 0:01:16]} 59. Nd2 {[%emt 0:00:13]} Be8 {[%emt 0:00:58]} 60. Nb3 {[%emt 0:00:24]} Ka3 $2 {[%emt 0:00:25]} (60... Kb5 $16 {is tougher.}) 61. Nc5 {[%emt 0:00:12]} Bc6 {[%emt 0:00:19]} 62. b5 {[%emt 0:02:55]} Bxb5 {[%emt 0:00:31]} 63. Nb7 {[%emt 0:00:13]} Be2 {[%emt 0:00:40]} 64. Nd6 {[%emt 0:00:11]} Bg4 {[%emt 0:00:25]} 65. Nxf7 {[%emt 0:00:36]} Ka4 {[%emt 0:00:17]} 66. Nd6 {[%emt 0:02:57]} Ka3 {[%emt 0:00:10]} 67. Ne8 {[%emt 0:00:50]} Ka4 {[%emt 0:00:44]} 68. Nf6 {[%emt 0:00:10]} Bh3 {[%emt 0:01:22]} 69. Kd3 {[%emt 0:00:25]} Kb4 $2 {[%emt 0:00:04]} (69... Kb5 70. Ke3 Kc6) 70. Ke3 {[%emt 0:00:10]} Kc4 {[%emt 0:00:23]} 71. h5 {[%emt 0:01:13]} gxh5 {[%emt 0:00:02]} 72. Nxh5 {[%emt 0:00:11]} Bg4 {[%emt 0:00:28]} 73. Ng7 {[%emt 0:00:31]} Kc3 {[%emt 0:01:37]} 74. f5 {[%emt 0:01:45]} exf5 {[%emt 0:00:09]} 75. e6 {[%emt 0:00:07]} f4+ {[%emt 0:00:30]} 76. Kxf4 {[%emt 0:00:08]} Bxe6 {[%emt 0:00:29]} 77. Nxe6 {[%emt 0:00:08]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "4"]
[White "Chaves, Jorge Antonio Torre"]
[Black "Peixoto, Rudson Marinho"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1922"]
[BlackElo "2007"]
[Annotator "NA"]
[PlyCount "140"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:14]} c5 {[%emt 0:03:28]} 2. d3 {[%emt 0:00:39]} e6 {[%emt 0:00:50]} 3. Nf3 {[%emt 0:00:23]} d5 {[%emt 0:00:27]} 4. Nbd2 {[%emt 0:00:08]} Nf6 {[%emt 0:00:31]} 5. g3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:19]} 6. Bg2 {[%emt 0:00:05]} Be7 {[%emt 0:00:08]} 7. O-O {[%emt 0:00:11]} Qc7 {[%emt 0:00:18]} 8. Re1 {[%emt 0:00:25]} dxe4 {[%emt 0:00:57]} 9. dxe4 {[%emt 0:00:36]} e5 {[%emt 0:00:32]} 10. c3 {[%emt 0:02:13]} Bg4 {[%emt 0:00:12]} 11. a4 {[%emt 0:01:59]} O-O {[%emt 0:00:12]} 12. h3 {[%emt 0:00:30]} Bh5 {[%emt 0:00:28]} 13. Qc2 {[%emt 0:03:30]} Rfe8 {[%emt 0:00:52]} 14. Nc4 {[%emt 0:04:43]} h6 {[%emt 0:00:14]} 15. Nh4 {[%emt 0:01:20]} Rad8 {[%emt 0:00:29]} 16. Nf5 {[%emt 0:05:04]} Bf8 {[%emt 0:00:21]} 17. g4 {[%emt 0:02:19]} Bg6 {[%emt 0:00:09]} 18. Nce3 {[%emt 0:00:59]} Kh7 {[%emt 0:03:27]} 19. Nh4 {[%emt 0:05:25]} Rd7 {[%emt 0:00:33]} 20. Nxg6 {[%emt 0:00:31]} fxg6 {[%emt 0:00:19]} 21. Nd5 {[%emt 0:02:19]} Qd8 {[%emt 0:01:03]} 22. Be3 {[%emt 0:03:43]} Bd6 {[%emt 0:00:37]} 23. Rad1 {[%emt 0:00:22]} Ne7 {[%emt 0:03:54]} 24. Nxf6+ {[%emt 0:03:41]} gxf6 {[%emt 0:00:22]} 25. Qc1 {[%emt 0:00:45]} g5 {[%emt 0:00:18]} 26. Bf1 {[%emt 0:00:50]} Qc7 {[%emt 0:02:01]} 27. Bb5 {[%emt 0:00:30]} Nc6 {[%emt 0:00:21]} 28. h4 {[%emt 0:01:29]} a6 {[%emt 0:02:54]} 29. Bc4 {[%emt 0:01:20]} Bf8 {[%emt 0:00:36]} 30. hxg5 {[%emt 0:03:49]} fxg5 {[%emt 0:00:46]} 31. Kg2 {[%emt 0:00:19]} Red8 {[%emt 0:03:30]} 32. Be6 {[%emt 0:05:10]} Rxd1 {[%emt 0:02:03]} 33. Bf5+ {[%emt 0:00:36]} Kg7 {[%emt 0:00:23]} 34. Rxd1 {[%emt 0:00:08]} Kf6 {[%emt 0:00:46]} 35. Rd5 {[%emt 0:08:42]} Rxd5 {[%emt 0:00:32]} 36. exd5 {[%emt 0:00:05]} Ne7 {[%emt 0:00:15]} 37. Be4 {[%emt 0:00:15]} c4 {[%emt 0:00:30]} 38. Qd1 {[%emt 0:00:41]} Ng6 {[%emt 0:00:46]} 39. Qc2 {[%emt 0:05:13]} Nh4+ {[%emt 0:00:23]} 40. Kg3 {[%emt 0:01:41]} Bc5 {[%emt 0:00:16]} 41. Bc1 {[%emt 0:15:31]} Qb6 {[%emt 0:01:46]} 42. Qe2 {[%emt 0:03:05]} Ke7 {[%emt 0:01:06]} 43. Be3 {[%emt 0:04:20]} Bxe3 {[%emt 0:01:00]} 44. fxe3 {[%emt 0:00:05]} Qb3 {[%emt 0:00:45]} 45. Qf2 {[%emt 0:03:37]} Qd1 {[%emt 0:00:26]} 46. a5 {[%emt 0:01:42]} Ke8 {[%emt 0:02:54]} 47. Bc2 {[%emt 0:00:39]} Qxd5 {[%emt 0:00:52]} 48. e4 {[%emt 0:04:34]} Qc6 {[%emt 0:02:34]} 49. Qf1 {[%emt 0:03:12]} Ke7 {[%emt 0:00:27]} 50. Bb1 {[%emt 0:01:57]} Qc5 {[%emt 0:02:23]} 51. Qf2 {[%emt 0:00:48]} Qxf2+ {[%emt 0:00:27]} 52. Kxf2 {[%emt 0:00:04]} Kd6 {[%emt 0:00:21]} 53. Ba2 {[%emt 0:00:49]} Kc5 {[%emt 0:00:13]} 54. Ke3 {[%emt 0:01:13]} Ng2+ {[%emt 0:00:21]} 55. Kd2 {[%emt 0:00:48]} Nf4 {[%emt 0:00:54]} 56. Ke3 {[%emt 0:01:23]} Kb5 {[%emt 0:00:15]} 57. b3 {[%emt 0:00:36]} cxb3 {[%emt 0:00:20]} 58. Bxb3 {[%emt 0:00:10]} Kxa5 {[%emt 0:00:11]} 59. Bf7 {[%emt 0:00:15]} b5 {[%emt 0:00:21]} 60. Kd2 {[%emt 0:00:14]} Kb6 {[%emt 0:00:46]} 61. Kc2 {[%emt 0:00:28]} Kc5 {[%emt 0:00:11]} 62. Kb3 {[%emt 0:00:15]} a5 {[%emt 0:00:11]} 63. Kc2 {[%emt 0:01:25]} b4 {[%emt 0:01:11]} 64. cxb4+ {[%emt 0:01:00]} Kxb4 {[%emt 0:00:27]} 65. Bg8 {[%emt 0:00:34]} a4 {[%emt 0:00:17]} 66. Ba2 {[%emt 0:00:25]} Ne2 {[%emt 0:00:18]} 67. Kd2 {[%emt 0:00:28]} Nc3 {[%emt 0:00:29]} 68. Be6 {[%emt 0:00:36]} Nxe4+ {[%emt 0:00:34]} 69. Ke3 {[%emt 0:00:06]} Nc5 {[%emt 0:00:12]} 70. Bf7 {[%emt 0:00:16]} Kc3 {[%emt 0:00:14]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Lima, Darcy"]
[Black "Torella, Rodolfo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2550"]
[BlackElo "2036"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,43,41,40,41,47,42,38,66,38,42,41,39,41,140,37,134,50,31,13,19,20,15,21,31,20,23,10,61,59,59,59,90,73,58,59,60,23,39,35,52,64,266,272,266,267,260,262,262,276,706,724,684,703,29999,672,970]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. g3 (4. d4 Nf6 5. Nf3 g6 6. Be2 Bg7 7. O-O O-O 8. Bf4 Nc6 9. Qd2 b6 10. Rad1 Bb7 11. Rfe1 e6 12. Bh6 Ne7 13. Bxg7 Kxg7 {1-0 (60) Piorun,K (2612)-Nakamura,H (2763) Batumi 2018}) 4... Bd7 5. Bg2 Bc6 6. Nf3 {B01: Scandinavian Defence} Nf6 7. O-O e6 8. Re1 $146 {White is slightly better.} ({Predecessor:} 8. Ne2 Nbd7 9. b3 Be7 10. Bb2 O-O 11. Re1 a5 {½-½ (53) Dolezal,C (2439)-Slipak,S (2436) Buenos Aires 2015}) 8... Nbd7 9. d4 Be7 10. Ne2 b5 11. Nf4 Nd5 (11... O-O $14) 12. Ng5 (12. Rxe6 $1 $16 Nxf4 13. Rxc6 Nxg2 14. Kxg2) 12... O-O {[#]} (12... Bxg5 $14 13. Bxd5 Bxd5 14. Nxd5 Bxc1 15. Rxc1 (15. Qxc1 Nb6 $11) 15... a5) 13. h4 (13. Nfxe6 $1 $16 {[%mdl 512]} fxe6 14. Qg4 (14. Nxe6 Qc8 $16) 14... Bxg5 15. Bxg5) 13... N7f6 $14 14. Nd3 Nb4 15. Bxc6 Nxc6 16. c3 h6 17. Nf3 Qd5 18. Bf4 Bd6 (18... b4 $11) 19. Be5 {Nf4 is the strong threat.} Bxe5 20. Nfxe5 Rab8 21. Nf4 Qd6 22. Qf3 Nd5 23. Nh5 Nxe5 24. Rxe5 c5 25. Rae1 $40 {[%mdl 128] Strongly threatening Qg4. White attacks.} cxd4 $2 {[#]} ({Black should play} 25... Rfd8 $14) 26. Qg4 $1 $18 {[%csl Gh5][%cal Rg4g7]} g6 {[#] Threatens to win with ...d3.} 27. Rxe6 $1 {[%mdl 512]} Qc7 (27... fxe6 28. Qxg6+) 28. R6e5 ({Don't go for} 28. cxd4 $2 fxe6 29. Qxg6+ Kh8 $19) 28... Ne3 {[#]} 29. Qf4 $1 ({Weaker is} 29. Qxd4 Nc2 $11) 29... Kh7 $2 (29... Rb6 30. fxe3 Qd6 31. exd4 gxh5) 30. Nf6+ Kg7 31. fxe3 Kh8 32. Nh5 (32. Qxh6# $142) 32... Kg8 {Accuracy: White = 48%, Black = 36%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Rodriguez Vila, Andres"]
[Black "Rodi, Luis Ernesto"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2482"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,1,-3,0,17,6,5,9,21,5,29,2,52,47,160,168,166,158,156,167,162,103,177,156,187,183,179,139,125,87,89,114,109,70,67,64,172,184,144,144,819,94,105,101,99,72,83,0,0,0,0,0,0,0,0,0,0,0,0,-74,-77,-76,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Bf4 Nf6 3. Nc3 a6 4. e3 e6 5. g4 Bb4 6. Nge2 {D00: 1 d4 d5: Unusual lines} Ne4 $146 ({Predecessor:} 6... c5 7. a3 cxd4 8. axb4 dxc3 9. Nxc3 O-O 10. g5 Nfd7 11. h4 Nb6 {1-0 (37) Alekseenko,K (2575)-Kokarev,D (2617) St Petersburg 2017}) 7. Bg2 Nxc3 8. Nxc3 Nd7 9. Qd3 c5 10. dxc5 {With the idea Qd4.} Qa5 11. O-O Qxc5 {[#]} (11... O-O $14) 12. Nxd5 $1 $16 {[%mdl 512]} exd5 13. a3 O-O 14. axb4 Qxb4 15. Qd4 (15. c3 $18 Qe7 16. Qxd5 (16. Bxd5 Nc5 $16)) 15... Qb5 (15... Qxd4 $16 16. exd4 Nf6) 16. b4 Re8 17. Ra5 Qe2 18. Rxd5 {Hoping for Rg5.} Nf6 19. Rd8 Bxg4 20. Rxa8 Rxa8 21. Be5 Bf3 22. Bxf6 Bxg2 (22... gxf6 $14 23. Qxf6 Bxg2 24. Kxg2 Qxc2) 23. Kxg2 $18 gxf6 $14 {[%mdl 4096] Endgame KQR-KQR} 24. Rg1 {Threatening mate with Kh1+.} Kf8 $2 {[%mdl 8192] [#]} (24... Re8 $16 25. Qd6 (25. Qxf6 Qxc2 26. Kh3+ Kf8 $16) 25... Kh8 26. Qxf6+ {[%mdl 64] Double Attack} Kg8 27. Kh1+ Kf8 28. Qd6+ Re7) 25. Qd6+ $2 ({Weaker is} 25. Qxf6 Qxc2 26. Kh3 (26. Qh8+ Ke7 $14) 26... Re8 $16) (25. Qc5+ $1 $18 {is the precise move to win.} Ke8 26. Kh3 Qxf2 27. Rg8+ Kd7 28. Rxa8 Qf3+ 29. Kh4 Qf2+ 30. Kg4 Qe2+ 31. Kg3 Qe1+ 32. Kg4 Qg1+ 33. Kh3 Qf1+ 34. Kg3 Qe1+ 35. Kf3 Qh1+ 36. Kg3 Qg1+ 37. Kf3 Qh1+ 38. Ke2 Qxh2+ 39. Kd3 Qd6+ 40. Qxd6+ Kxd6 41. Rh8) 25... Ke8 $16 26. Qxf6 Rd8 27. h3 {Black must now prevent Kh2.} (27. h4 {keeps more tension.} Rd2 28. Qf4 Rxc2 29. Qb8+ Ke7 30. Qxb7+ Kf6 31. Qf3+) 27... Qxc2 28. Qf4 (28. Kf3 $16 Qc6+ 29. Qxc6+ bxc6 30. Rg7) 28... Qc6+ $11 29. e4 Rd6 30. Kh2 {Strongly threatening Rg8+.} Rg6 31. Rd1 {Qe5+ would kill now.} Kf8 32. Rd5 Rf6 33. Qe3 Qb6 34. Rc5 (34. Qxb6 $11 Rxb6 35. Rd4) 34... Qxb4 $17 35. Rc8+ {[#]} Kg7 ({Better is} 35... Ke7 $1 $17) 36. Qg5+ {The position is equal.} Rg6 37. Qe5+ Rf6 38. Qg5+ Rg6 39. Qe5+ Rf6 40. Qg5+ {Accuracy: White = 52%, Black = 44%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Hoffman, Alejandro"]
[Black "Viana, Dirceu"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2479"]
[BlackElo "2201"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,87,0,0,0,0,0,0,40,39,58,48,104,106,112,104,127,91,122,104,129,130,131,131,118,125,130,119,127,116,129,140,138,136,134,137,134,125,141,110,146,145,143,129,130,101,95,77,82,68,75,76,95,104,103,101,152,144,155,141,489,486,696,689]} 1. d4 e6 2. Nf3 Nf6 3. e3 b6 4. Bd3 Bb7 5. O-O Be7 6. c4 O-O 7. b3 c5 8. Bb2 cxd4 9. exd4 d5 10. Qe2 Nc6 11. Nbd2 Rc8 12. Rac1 Re8 13. Rfd1 Bf8 14. h3 g6 {E14: Queen's Indian: Classical Variation (4 e3)} 15. Qe3 Bg7 (15... Qe7 16. Ne5 dxc4 17. Nxc6 Bxc6 18. bxc4 Bg7 19. Bf1 Qb7 20. Qb3 Red8 21. Nb1 Rc7 22. d5 exd5 23. Bxf6 Bxf6 24. cxd5 {0-1 (54) Shaposhnikov,E (2563)-Jakovenko,D (2730) Khanty-Mansiysk 2017}) 16. Ne5 Qd6 $146 {The position is equal.} ({Predecessor:} 16... Re7 17. f4 Rec7 18. Ndf3 Ba6 19. g4 {½-½ (19) Khenkin,I (2553)-Sagar,S (2433) Dieren 2016}) 17. c5 bxc5 18. dxc5 d4 (18... Qc7 $14 19. Nxc6 Bxc6) 19. cxd6 $16 dxe3 20. fxe3 {aiming for Bb5.} Red8 21. Ndc4 Nxe5 22. Bxe5 Ne8 23. Bxg7 Kxg7 {[#]} 24. Be4 $1 {[%cal Re4b7]} Bd5 25. Bxd5 exd5 26. Rxd5 Rxd6 27. Rcd1 Ra6 28. Rd8 Rxd8 29. Rxd8 {[%mdl 4096] Endgame KRN-KRN} Nf6 30. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ne4 31. a5 Kf6 32. Rd4 Nc3 {Hoping for ...Ne2+.} 33. Rd7 Ke6 34. Rb7 h5 35. h4 Ne4 36. Kf1 Nc5 37. Rb5 Rc6 38. Nd2 a6 39. Rb8 Nd7 40. Re8+ Kf5 (40... Kd5 $142) 41. Nf3 {And now Nd4+ would win.} Rc1+ 42. Kf2 Ra1 $2 {[%mdl 8192]} (42... Nc5 $16 {is a better chance.}) 43. Re7 $18 {[%mdl 64] [#] Double Attack} Nc5 (43... Nb8 $142 44. Nd4+ Kf6) 44. Re5+ {[%mdl 64] Double Attack. Accuracy: White = 88%, Black = 53%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Roselli Mailhe, Bernardo"]
[Black "Di Berardino, Diego Rafael"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "2421"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,47,33,32,49,27,77,78,54,65,80,67,84,86,94,87,82,82,113,112,120,46,46,46,37,29,63,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 dxc4 7. Qa4+ {D80: Grünfeld: Unusual White 4th moves and 4 Bg5} (7. e3 Be6 8. Nf3 Bg7 9. Qb1 Qd5 10. Be2 Bf5 11. Qb4 c5 12. Qb5+ Bd7 13. Qxc4 Bc6 14. Qb3 e6 15. c4 Qd7 16. Ne5 Qc7 17. O-O {½-½ (124) Wei,Y (2743)-Svidler,P (2768) Wijk aan Zee 2018}) 7... Nd7 8. e3 Bg7 9. Bxc4 O-O 10. Qa3 c5 11. Nf3 {LiveBook: 15 Games} Qc7 {[#] Threatens to win with ...cxd4.} 12. Rc1 e5 13. O-O Nb6 14. Be2 Bg4 {With the idea ...e4.} 15. h3 ({Of course not} 15. dxe5 $6 Bxe5 16. Bg3 Bxg3 $11) 15... Bxf3 16. Bxf3 c4 $146 ({Predecessor:} 16... Rfc8 17. Rfd1 {½-½ (17) Kazilaris,N-Smyslov,V Siegen 1970}) 17. Rfd1 Rfe8 18. Bg3 Bf8 19. Qa5 {[%cal Rg3e5]} Bd6 20. dxe5 ({White should play} 20. Rb1 $16) 20... Bxe5 $14 21. Bxe5 Rxe5 22. Qb4 Rb8 23. Rd4 ({Better is} 23. a4 $14) 23... a5 $11 24. Qb1 {Precision: White = 50%, Black = 64%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Von Buelow, Georg"]
[Black "Romanishin, Oleg M"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "2354"]
[BlackElo "2435"]
[Annotator "TA"]
[PlyCount "24"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,24,20,20,32,27,20,18,39,33,51]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. a3 Ba5 6. g3 Nc6 7. Bg2 O-O 8. O-O d6 9. d3 h6 {A17: English Opening: 1...Nf6 with ...Bb4} 10. e3 e5 11. Nd2 Rb8 12. b3 $146 ({Predecessor:} 12. Rb1 Bxc3 13. Qxc3 a5 14. b3 Re8 15. Bb2 Bd7 16. Ne4 Nxe4 17. dxe4 {½-½ (53) Panjwani,R (2444)-Kovalyov,A (2636) Wheeling 2014}) 12... Bd7 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Brito, Luismar"]
[Black "Santos Filho, Tadeu Sousa"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2349"]
[BlackElo "2078"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,-13,15,0,4,4,5,-27,10,0,0,-6,12,-27,-12,-18,-15,-8,10,0,10,-20,13,13,34,3,14,19,15,2,26,0,0,-4,18,21,23,14,13,14,10,0,21,18,20,0,0,0,0,-28,-9,-22,-34,-47,0,0,0,0,0,0,0,0,0]} 1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. c4 d6 5. Be2 (5. Nc3 g6 6. g3 Bg7 7. Bg2 O-O 8. Nge2 Ne7 9. d4 c6 10. O-O Qc7 11. Qd2 Rd8 12. Rfd1 exd4 13. Qxd4 Bg4 {½-½ (94) Karjakin,S (2771)-Wang,H (2729) Dubai 2014}) 5... g6 6. d3 {A01: Nimzowitsch-Larsen Opening} Bg7 7. Nc3 O-O 8. Bf3 a6 $146 ({Predecessor:} 8... Be6 9. Nge2 d5 10. O-O Qd7 11. cxd5 Nxd5 12. Ne4 b6 13. Ng5 Bg4 14. a3 Rad8 {½-½ (14) Hatsek,W (1938)-Herzog,K (1855) LSS email 2013}) 9. Nge2 Rb8 10. Rc1 Bd7 11. a3 Ne7 12. d4 exd4 13. Nxd4 Nc6 14. h3 Re8 15. O-O Ne5 16. Be2 Qc8 17. Kh2 Nc6 18. Nd5 {[#] Threatens to win with Nxc6.} Qd8 19. b4 Ne4 20. Bf3 Ng5 21. Bg4 f5 22. Be2 Ne4 23. Nxc6 bxc6 24. Bxg7 Kxg7 25. Qd4+ Kf7 26. Nf4 Qf6 27. Qa7 Rec8 28. f3 Nd2 29. Rfd1 Nb3 30. Rb1 Ra8 31. Qb7 Rab8 (31... g5 $5 {[%cal Rg5f4]} 32. c5 (32. Rxb3 gxf4 33. c5 Qe6 $11) 32... gxf4 33. cxd6 (33. Rxb3 Qe6 $11) 33... Be6 34. exf4 Nd4 $15) 32. Qxa6 {[#] c5 is the strong threat.The position is equal.} Ra8 33. Qb7 Rab8 34. Qa6 {Black must now prevent c5.} Ra8 35. Qb7 Rab8 {Precision: White = 37%, Black = 50%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Larrea, Manuel"]
[Black "Galego, Luis"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2271"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,74,37,40,57,49,28,32,5,31,0,9,0,4,-9,0,-43,-39,-103,-46,-98,0,12,9,11,19,12,39,53,69,-47,66,60,87,92,140,122,131,100,102,72,73,47,49,12,69,0,69,50,120,-152,-161,-577,-559,-898,-867]} 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 Nc6 7. Bc4 {[%cal Bf1c4,Bc4b3,Bb3c2,Bc2d3][%mdl 32]} d6 8. O-O Be7 9. Qe2 Nb6 10. Bb3 d5 11. Nc3 Bd7 {LiveBook: 14 Games. B22: Sicilian: 2 c3} 12. Bc2 (12. Bf4 a6 13. Rad1 Rc8 14. Ne1 Na5 15. Bc2 Nbc4 16. Bc1 Qb6 17. Bb1 Nc6 18. Nf3 h6 19. h3 {1-0 (58) Drabke,L (2469)-Cori Tello,J (2637) Baden 2015}) 12... Rc8 13. a3 a6 {White has an edge.} 14. g3 $146 ({Predecessor:} 14. Be3 Nc4 15. b4 Nxe3 16. Qxe3 Qc7 17. Rac1 O-O 18. Na4 Qd8 19. Nc5 Bxc5 20. dxc5 {1-0 (52) Kuran,A (2073)-Breneis,L (2109) Imst 2008}) 14... h6 15. h4 Na7 16. Bd3 Nc4 17. Nd1 Na5 18. Nd2 {[%cal Bf3d2,Bd2b3,Bb3c5][%mdl 32]} Nb5 19. Qg4 (19. Qe3 $1 $15) 19... Kf8 (19... g5 $17 {Threatens to win with ...h5.} 20. h5 f5 21. exf6 Bxf6 22. Bg6+ Kf8) 20. b4 {[#]} (20. h5 $1 $15) 20... Nc4 ({Better is} 20... h5 $1 $17 {[%cal Rh5g4]} 21. Qf4 g5) 21. Nb3 $1 $11 f5 22. Qe2 g5 23. a4 $36 {[%mdl 2048] White has some pressure.} Nc7 24. Nc5 ({Don't play} 24. Bxc4 dxc4 25. Nc5 (25. Qxc4 Bxa4 26. Nc5 Bxc5 $17) 25... Bc6 $15) 24... Bc6 25. Qf3 (25. Ne3 $1 $14) 25... Kg7 (25... Qe8 $15) 26. Ne3 $1 $14 {[%cal Bd1e3,Be3g2,Bg2e3][%mdl 32]} Bxc5 27. bxc5 {And now Nxf5+! would win.} Rf8 {...Nxe5 would now be nice for Black.} 28. Ng2 Rh8 29. Kh2 Qe7 30. Rh1 a5 31. Kg1 Na6 32. Ne3 Rcf8 (32... Nxc5 $11 33. dxc5 Nxe5 {[%mdl 64] Double Attack} 34. Qxf5 (34. Bb2 d4 $11) 34... exf5 35. Nxf5+ Kf8 36. Nxe7 Kxe7) 33. Rh2 (33. Qe2 $14) 33... Nb4 ({Black should try} 33... Nxe5 $11 34. dxe5 d4 35. Nxf5+ exf5) 34. Bb1 Nxe5 (34... Rfg8 $14) 35. dxe5 $4 {[%mdl 8192]} (35. Qe2 $16 {is forced if you want to stay better.}) 35... d4 $17 {[%mdl 64] [#] Discovered Attack} 36. Qh5 $2 (36. Qe2 {is a better chance.} dxe3 37. Bxe3) 36... dxe3 $19 37. Bxe3 {[%cal Rh4g5]} g4 {Accuracy: White = 21%, Black = 34%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Barreto, Ignacio C. De Barro"]
[Black "Dos Santos, Vitor Eduardo Mello"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2222"]
[BlackElo "2054"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,27,0,0,10,0,0,0,0,0,14,-27,-8,-29,-4,-22,-16,-49]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nxc3 7. bxc3 Bd6 {C47: Scotch Four Knights and Four Knights with 4 g3} 8. d3 (8. O-O O-O 9. Re1 Re8 10. d3 Bg4 11. h3 Bh5 12. Rb1 Rb8 13. g4 Bg6 14. Ng5 h6 15. Ne4 Qd7 16. Qf3 f5 17. gxf5 Bxf5 {1-0 (33) Mamedov,R (2709)-Vallejo Pons,F (2707) Riadh 2017}) 8... O-O 9. Rb1 Rb8 10. Ng5 {[#] aiming for Bxc6.} Bf5 11. O-O Qd7 12. Ne4 $146 ({Predecessor:} 12. Re1 h6 13. Ne4 Be7 14. Be3 Bxe4 15. dxe4 Qxd1 16. Rexd1 Bd6 17. c4 {½-½ (79) Perez Mitjans,O (2434)-De la Fuente Gonzalez,F (2155) Mostoles 2015}) 12... Bg4 13. f3 Bh3 14. f4 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Rocha, Vitor Firmo De Souz"]
[Black "Ramos, Angelo Bil"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2174"]
[BlackElo "1952"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,59,13,12,23,17,33,30,32,-2,0,0,0,0,11,9,19,-45,-37,-47,-37,-47,-26,-26,-26,-284,-27,-34,-25,-22,-24,-85,681,675]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. O-O Bc5 10. f3 Ng5 11. Be3 Bb6 12. f4 Ne4 13. Nd2 c5 14. N4f3 Nxd2 15. Qxd2 {LiveBook: 70 Games} c6 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} 16. c3 O-O 17. Qf2 c4 {[#] White has an edge.} 18. Rad1 $146 ({Predecessor:} 18. b4 Qc7 19. Bc5 Rfb8 20. Nd4 Bxc5 21. bxc5 Qa5 22. f5 Qxc5 23. Qh4 {1-0 (39) Teichmeister,S (2567)-Minchev,V (2464) ICCF email 2009}) 18... Bg4 19. Rd2 Bxf3 20. Qxf3 Bxe3+ 21. Qxe3 Qb6 22. Rd4 (22. Re1 $11) 22... Qxb2 $15 23. f5 $1 {[%cal Rf5f6] [#] Threatens to win with f6.} f6 $1 ({Not} 23... Qxa2 $2 24. f6 $18) 24. e6 {[%cal Be5e6,Be6e7][%mdl 32]} Qb7 25. e7 Rfe8 26. Qe6+ Kh8 27. Re1 {aiming for Rg4.} Qc8 $1 {White should prevent ...Qxe6.} 28. Qd6 Rb8 29. Rg4 (29. Re6 $11) 29... Qxf5 $2 {[%mdl 8192] [#]} (29... Rb7 $17 30. Re6 Qc7 31. Qxc6 Qxc6 32. Rxc6 Rbxe7) 30. Qxb8 $1 {[%mdl 576] Double Attack. Accuracy: White = 63%, Black = 56%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Lebredo Zaragoitia, Gerardo"]
[Black "Urquiza, Marcello de Albuque"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2139"]
[BlackElo "2018"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,81,33,16,36,40,36,36,36,29,36,37,31,26,46,35,46,37,36,30,42,35,26,25,35,0,0,0,0,0,0,0,12,0,0,0,19,4,8,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,25,13,86,82,73,81,107,64,68,24,36,29,65,0,39,0,69,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Ne5 {LiveBook: 3 Games. D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} (7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Be2 O-O 10. Ne5 Nbd7 11. Nc4 Nd5 12. Nc3 Nxc3 13. bxc3 b5 14. Na5 Nb6 15. c4 bxc4 16. Nxc4 Nxc4 17. Bxc4 {½-½ (62) Van Wely,L (2642)-Nakamura,H (2763) Batumi 2018}) 7... cxd4 8. exd4 Nc6 9. Nxc6 bxc6 10. Nc3 $146 ({Predecessor:} 10. Qa4 Bd7 11. Qc2 c5 12. Be3 cxd4 13. Bxd4 {1-0 (34) Grishchenko,S (2442)-Fomin,T (2312) Minsk 2015}) 10... Be7 11. Bf4 O-O 12. Rc1 Nd5 13. Be5 a5 14. Na4 Ba6 15. Bxa6 Rxa6 16. Qg4 {[%csl Ge5][%cal Rg4g7] [#]} (16. Qe2 {is interesting.} Qa8 17. Rc4 Rd8 18. Rfc1 Bd6 19. b3) 16... Bf6 17. Qe2 Qc8 18. a3 Rd8 19. Rc2 Bxe5 20. dxe5 Nf4 21. Qe3 Ng6 22. Rfc1 Qb8 23. f4 Qb5 24. Nc5 {[%cal Ba4c5,Bc5e4,Be4c3][%mdl 32]} Raa8 25. Ne4 Rd3 26. Qf2 Qd5 27. Nc3 Qd7 28. Re1 Ne7 29. Ne4 {[#] Strongly threatening Nc5.} Qd4 (29... Qd5 {with more complications.} 30. Rc5 Qb3 31. h3 h6 32. Re2 Nf5) 30. Qxd4 (30. Nd6 {seems wilder.} Rb8 31. Qxd4 Rxd4 32. Re4 Rd1+ 33. Kf2) 30... Rxd4 31. g3 Rb8 32. Ree2 Rb6 33. Kf2 Rd1 (33... h6 $11 {keeps the balance.}) 34. Red2 $16 Rxd2+ 35. Nxd2 {[%mdl 4096] Endgame KRN-KRN} Kf8 36. Nc4 Rb5 37. Nd6 Rd5 38. Ne4 Ke8 39. Nd6+ Kf8 40. Ne4 Ke8 41. Nd6+ {Accuracy: White = 28%, Black = 57%.} ({White should try} 41. Rc4 $14) 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Almeida, Gianluca Jorio"]
[Black "Perdomo, Leandro"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2109"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,91,23,22,33,31,31,37,35,18,42,44,77,-35,243,245,256,243,252,234,331,333,340,329,340,335,338,341,396,339,374,345,990,354,377,306,294,292,296,280,274,265,254,264,298,272,390,386,449,449,440,433,422,403,514,531,742,699,603,610,814,507,781,518,679,600,618,584,496,479]} 1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Nc6 5. e4 d6 6. Nge2 f5 7. d3 Nf6 8. O-O O-O 9. Nd5 Ne7 10. Nxf6+ Bxf6 {A26: English Opening vs King's Indian with ...Nc6 and d3} 11. Bh6 Rf7 12. Qd2 Be6 (12... c6 13. d4 fxe4 14. Bxe4 Bg4 15. dxe5 Bxe5 16. Nc3 Nf5 17. Bxf5 Bxf5 18. Rfe1 Qf6 19. Bg5 Qg7 20. Bh6 Qf6 21. Bg5 Qg7 22. Bh6 Qf6 {½-½ (22) Bai,J (2556)-Xu,X (2549) Shenzhen 2017}) 13. Rac1 {LiveBook: 3 Games} c6 14. f4 Qb6+ $146 ({Predecessor:} 14... Kh8 15. d4 exd4 16. Nxd4 Be5 {1-0 (16) Cuevas,A (2302)-Anelli,A (2155) Buenos Aires 2011}) 15. Kh1 Rd8 16. Rfd1 Rd7 17. b3 Kh8 18. d4 (18. c5 $16 dxc5 19. fxe5 Bxe5 20. Nf4) 18... Ng8 $2 {[%mdl 8192]} (18... fxe4 $15 {stays ahead.} 19. dxe5 dxe5) 19. d5 $18 Bxd5 20. fxe5 (20. exd5 Nxh6 21. fxe5 Ng4 $16) 20... dxe5 21. cxd5 f4 (21... cxd5 $142 22. exd5 Nxh6) 22. Nxf4 (22. gxf4 Nxh6 23. fxe5 Ng4 $16) 22... Nxh6 {[#]} 23. Nxg6+ $1 {[%mdl 576] Discovered Attack} Kg7 {[#]} (23... hxg6 24. Qxh6+) 24. Nxe5 $1 {[%mdl 576] Deflection, Decoy} Bxe5 25. Qg5+ {[%mdl 64] Double Attack} Kf8 {intending ...Bg7.} 26. Qxh6+ ({Weaker is} 26. Qxe5 Ng4 $18) 26... Bg7 27. Qxh7 Rf2 $2 {[#]} (27... Qe3 28. Qh5 Rd6) 28. dxc6 $2 (28. e5 $1 Re7 (28... Bxe5 29. Qxd7) 29. e6) 28... Qxc6 29. Rf1 Rxf1+ 30. Rxf1+ Rf7 31. Rxf7+ Kxf7 32. Qf5+ Ke7 33. h4 Qc1+ 34. Kh2 Qb2 (34... Qc3 $142 35. Qh7 b6) 35. Qc5+ Kd8 36. Qxa7 Be5 37. Qxb7 Qc3 38. Qb6+ Ke8 39. Qg6+ {White is clearly winning.} Ke7 40. h5 Qb2 41. Qg5+ Kd6 42. a4 Qc3 (42... Qxb3 $142 43. a5 Qe6) 43. Qd8+ Ke6 44. Bh3+ Kf7 45. Qd7+ Kf8 46. Qc8+ {Accuracy: White = 68%, Black = 31%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Maia, Jose Eduardo Bastos"]
[Black "Matsuura, Everaldo"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2093"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,78,-14,-6,-27,-14,-49,-53,-60,-52,-77,-59,-88,-87,-103,-99,-120,-122,-245,-241,-248,-241,-259,-231,-227,-196,-200,-195,-233,-223,-214,-224,-275,-254,-214,-205,-337,-333,-387,-273,-459,-280,-327,-247,-287,-245,-296,-320,-373,-345,-326,-358,-350,-335,-392,-374,-379,-379,-379,-364,-1306,-1278,-1753,-1539]} 1. e4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 e5 6. O-O Nge7 7. c3 O-O 8. a4 d6 9. Na3 h6 {LiveBook: 19 Games. A04: Unusual lines after 1 Nf3 and King's Indian Attack} 10. Nc2 (10. Nc4 Be6 11. Re1 Qd7 12. Nfd2 f5 13. exf5 gxf5 14. f4 exf4 15. gxf4 d5 16. Ne5 Nxe5 17. fxe5 Nc6 18. Nf3 f4 19. d4 cxd4 20. cxd4 {½-½ (31) Yuffa,D (2527)-Alekseev,E (2622) Sochi 2017}) 10... f5 11. h3 Be6 {Black is slightly better.} 12. b4 Qd7 $146 ({Predecessor:} 12... cxb4 13. cxb4 Qd7 14. Kh2 Rac8 15. Rb1 Kh7 16. b5 Na5 17. Nb4 {0-1 (43) Astegno,R-Berni,M Italy 1983}) 13. b5 Na5 14. Bb2 c4 {[%cal Bc5c4,Bc4d3][%mdl 32]} 15. Ne3 Nb3 16. Rb1 cxd3 17. Nd5 (17. Qxd3 $17 Nc5 18. Qc2) 17... Nc5 ({Worse is} 17... Nxd5 18. exd5 Bxd5 19. Nd2 $11) 18. Nxe7+ Qxe7 19. Ba3 Rad8 20. Re1 fxe4 {[%mdl 64] [#] Discovered Attack} 21. Nd2 d5 22. c4 dxc4 {And now ...c3 would win.} 23. Nxe4 b6 {[%cal Bb7b6,Bb6c5][%mdl 32]} 24. Bxc5 bxc5 25. Qd2 Bd5 26. Qc3 (26. a5 {might work better.}) 26... Qf7 $19 27. Rb2 Qf5 28. Qa3 $2 (28. Qc1 {was necessary.}) 28... Qc8 29. a5 Rf7 30. Rd2 Rb7 31. Qa4 Kh8 32. Nc3 Bxg2 33. Kxg2 {[#]} e4 $1 34. Qxc4 (34. Nxe4 c3) 34... Rd4 35. Qb3 Rb4 36. Qa3 Qf5 37. a6 Rb6 38. Na4 $2 (38. Re3) 38... R6xb5 39. Rc1 Ra5 {Accuracy: White = 22%, Black = 79%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Souza Neves, Andrey M."]
[Black "Kruger, Israel"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2074"]
[BlackElo "1877"]
[Annotator "NA RC"]
[PlyCount "97"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,97,44,44,28,40,38,39,35,90,51,105,113,141,116,125,113,125,98,32767,32767,80,45,57,4,40,28,18,49,32767,32767,11,33,50,43,135,175,281,157,225,32767,230,332,241,431,32767,32767,32767,32767,228,219,206,137,174,133,127,0,32767,32767,32767,32767,8,8,8,0,0,0,0,0,0,0,14,8,8,4,18,16,32767,32767,32767,32767,6,0,2839,2222]} 1. d4 {[%emt 0:06:14]} d5 {[%emt 0:02:33]} 2. c4 {[%emt 0:00:09]} c6 {[%emt 0:00:29]} 3. Nf3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:28]} 4. e3 {[%emt 0:00:21]} g6 {[%emt 0:03:37]} 5. Nc3 {[%emt 0:01:13]} Bg7 {[%emt 0:00:08]} 6. Bd3 {[%emt 0:01:03]} dxc4 {[%emt 0:00:29]} 7. Bxc4 {[%emt 0:00:10]} O-O {[%emt 0:00:29]} 8. O-O {[%emt 0:04:44]} Bg4 {[%emt 0:00:19]} 9. h3 {[%emt 0:00:36]} Bxf3 {[%emt 0:00:20]} 10. Qxf3 {[%emt 0:00:11]} Nbd7 {[%emt 0:05:37]} 11. Rd1 {[%emt 0:02:46] LiveBook: 358 Games} a5 {[%emt 0:07:51] D94: Grünfeld: 4 Nf3 Bg7 5 e3} (11... e5 12. d5 e4 13. Nxe4 Nxe4 14. Qxe4 Nb6 15. Rb1 Qd6 16. Bb3 cxd5 17. Qd3 a5 18. a3 Qe6 19. Bd2 Rfc8 20. Be1 Rc5 21. Ba2 Nc4 22. b4 axb4 23. Bxb4 {1-0 (84) Riazantsev,A (2654)-Li,C (2735) Geneva 2017}) 12. a4 {[%emt 0:00:53]} Qc7 $146 {[%emt 0:05:58]} ({Predecessor:} 12... e5 13. d5 Qb6 14. dxc6 bxc6 15. e4 Nc5 16. Rd6 Qb4 17. Rxf6 Bxf6 18. Qxf6 Qxc4 19. Bh6 {1-0 (27) Ma,Q (2608)-Zhang,Z (2236) Shijiazhuang 2015}) 13. e4 {[%emt 0:00:56]} Rad8 {[%emt 0:00:14]} 14. e5 {[%emt 0:01:53]} Ne8 {[%emt 0:00:22]} 15. Bf4 {[%emt 0:03:24]} e6 {[%emt 0:02:13]} 16. Ne4 {[%emt 0:02:28]} Nb6 {[%emt 0:00:54]} 17. Bb3 {[%emt 0:00:58]} Nd5 {[%emt 0:01:27]} 18. Bxd5 {[%emt 0:04:54]} Rxd5 {[%emt 0:06:29]} 19. Nf6+ {[%emt 0:00:49]} Bxf6 {[%emt 0:00:10]} 20. exf6 {[%emt 0:00:07]} Nd6 {[%emt 0:00:11]} 21. Be5 {[%emt 0:03:50]} Rc8 {[%emt 0:01:13]} 22. h4 {[%emt 0:03:20]} Qd8 {[%emt 0:08:17]} 23. h5 {[%emt 0:02:19]} Nf5 {[%emt 0:07:01]} 24. hxg6 {[%emt 0:01:09]} hxg6 {[%emt 0:04:58] [#]} (24... fxg6 $14 25. Re1 Qd7) 25. Qf4 $1 {[%emt 0:01:27]} c5 {[%emt 0:00:51]} (25... Kf8 {is a better defense.}) 26. g4 {[%emt 0:13:39]} (26. Ra3 $18) 26... Nxd4 {[%emt 0:01:07]} (26... Rxd4 $16 27. Bxd4 Nxd4) 27. Kg2 {[%emt 0:02:33]} Rxe5 {[%emt 0:09:12]} 28. Qxe5 {[%emt 0:00:20]} Qd5+ {[%emt 0:00:17]} 29. Qxd5 {[%emt 0:00:08]} exd5 {[%emt 0:00:07]} 30. Ra3 {[%emt 0:04:54]} Ne6 {[%emt 0:01:46]} 31. Rb3 {[%emt 0:08:27]} Rc7 {[%emt 0:01:39]} 32. Rb5 {[%emt 0:00:51]} g5 {[%emt 0:01:14]} 33. Rh1 {[%emt 0:01:26]} ({Don't play} 33. Rxa5 Kh7 $16) 33... Nf4+ {[%emt 0:01:05]} 34. Kg3 {[%emt 0:07:35]} Ne2+ {[%emt 0:01:16] [#]} 35. Kf3 {[%emt 0:05:11]} (35. Kh2 $1 $16) 35... Nd4+ {[%emt 0:00:10]} 36. Ke3 {[%emt 0:00:07]} Nxb5 {[%emt 0:00:10]} 37. axb5 {[%emt 0:00:06]} b6 {[%emt 0:01:02]} 38. Rh5 {[%emt 0:00:55]} d4+ {[%emt 0:01:04]} 39. Ke4 {[%emt 0:04:36]} Rd7 {[%emt 0:00:27]} 40. Rxg5+ {[%emt 0:00:19]} Kf8 {[%emt 0:00:18]} 41. Rh5 {[%emt 0:00:52]} Kg8 {[%emt 0:00:01]} 42. Kd3 {[%emt 0:03:10]} Rd6 {[%emt 0:01:02]} 43. g5 {[%emt 0:01:40]} Re6 {[%emt 0:02:38]} 44. Rh1 {[%emt 0:05:41]} a4 {[%emt 0:01:07]} 45. Ra1 {[%emt 0:02:23]} Kh7 {[%emt 0:00:27]} 46. Rxa4 {[%emt 0:00:17]} Kg6 {[%emt 0:00:02]} 47. f4 {[%emt 0:00:24]} Kf5 {[%emt 0:00:32]} 48. Ra8 {[%emt 0:00:32]} Kxf4 $2 {[%emt 0:00:24] [#]} (48... Re3+ $11 49. Kc4 d3) 49. g6 $18 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Manzi, Luiz Antonio Bardar"]
[Black "Menna Barreto, Felipe Kubiaki"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2047"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,90,28,25,0,5,-34,-41,-39,-38,-41,-39,-41,-37,-41,-34,-36,-35,-28,-26,-41,-19,-13,-15,-141,-141,-128,-124,-131,-131,-179,-167,-217,-235,-215,-231,-216,-216,-342,-341,-341,-335,-453,-485,-464,-414,-581,-581,-1742,-1777,-1647,-1595,-1264,-681,-1560,-1624,-1103,-791,-697,-652,-29976,-29973,-29977,-29979,-29986,-29987,-29987,-29988,-29988,-29989]} 1. Nf3 g6 2. d4 Bg7 3. c4 c5 4. d5 Nf6 5. Nc3 d6 6. e4 O-O 7. Be2 e6 8. O-O Re8 9. Bg5 h6 10. Bh4 exd5 11. exd5 g5 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} 12. Bg3 Nh5 {LiveBook: 3 Games} 13. Nd2 Nxg3 {The position is equal.} 14. hxg3 Nd7 15. Rc1 $146 ({Predecessor:} 15. Nde4 Ne5 16. f4 gxf4 17. Rxf4 Ng6 18. Rf1 Bd4+ 19. Kh1 {0-1 (45) Van Halderen,H (2062)-Horvath,C (2507) Leiden 2012}) 15... Ne5 16. Nf3 Bf5 17. Nxe5 Bxe5 18. Bd3 Qf6 19. Bxf5 Qxf5 20. Qh5 Kg7 21. Nb5 {Strongly threatening Nc7.} Qd7 22. f4 Bf6 ({Wrong is} 22... Bxb2 $2 23. Rb1 $18) 23. Rce1 (23. fxg5 $11 Bxg5 24. Rc3) 23... Rxe1 $17 24. Rxe1 a6 $1 $36 {[%cal Ra6b5][%mdl 2048] Keeping White busy.} 25. Nc3 {[#]} Re8 $1 {[%cal Re8e1]} 26. Rxe8 Qxe8 27. Qf3 Qe1+ 28. Kh2 Bd4 {...Qg1+ is the strong threat.} 29. fxg5 hxg5 {[%cal Bh6g5,Bg5g4][%mdl 32]} 30. Qf5 {[#]} (30. a4 $142) 30... Qe5 $1 $19 {[%cal Re5f5]} 31. Qxe5+ Bxe5 {[%mdl 4096] Endgame KB-KN} 32. Ne4 Kg6 33. b3 Kf5 34. Nf2 (34. Nd2 $142 g4 35. Kg1) 34... g4 35. a3 Bd4 36. Nd3 Ke4 37. Nf4 Be5 38. b4 Kd4 39. bxc5 Kxc5 40. Nd3+ Kd4 41. Nb4 Kxc4 {Black mates.} 42. Kg1 a5 43. Nc2 Kd3 44. Ne1+ Ke2 45. Nc2 Kd2 {[%mdl 64] Trapped Piece. Accuracy: White = 32%, Black = 88%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Okamura, Milton Kasuo"]
[Black "Chang, Suzana"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2038"]
[BlackElo "1968"]
[Annotator "NA RC"]
[PlyCount "78"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,78,76,60,76,32,39,32,52,50,84,79,63,52,45,39,41,1,38,-107,32767,-156,-91,-302,-277,-261,32767,-252,-173,-160,-99,-106,-90,-252,-170,-277,-303,-304,-119,-291,-317,32767,32767,32767,32767,32767,-403,-416,-410,-445,-469,-470,-480,-518,-426,-517,-514,-681,-644,-917,-670]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:19]} d6 {[%emt 0:00:00]} 5. Nf3 {[%emt 0:00:09]} O-O {[%emt 0:00:09]} 6. Be2 {[%emt 0:00:13]} Na6 {[%emt 0:00:10]} 7. O-O {[%emt 0:00:29]} e5 {[%emt 0:00:10]} 8. Be3 {[%emt 0:01:07]} Ng4 {[%emt 0:00:46]} 9. Bg5 {[%emt 0:00:30]} Qe8 {[%emt 0:00:57]} 10. d5 {[%emt 0:02:53]} h6 {[%emt 0:11:09] E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (10... f6 11. Bd2 f5 12. Ne1 Nf6 13. f3 f4 14. Nd3 g5 15. c5 Nxc5 16. Nxc5 dxc5 17. Nb5 Qe7 18. Bc3 {0-1 (49) Shen,Y (2468)-Huang,Q (2449) Tianjin 2018}) 11. Bd2 {[%emt 0:09:50]} f5 {[%emt 0:00:31]} 12. Ne1 {[%emt 0:02:44]} (12. exf5 $16 gxf5 13. Nh4) 12... Nf6 {[%emt 0:00:19] LiveBook: 6 Games} 13. f3 {[%emt 0:00:20]} f4 {[%emt 0:11:27]} 14. Nd3 {[%emt 0:00:51]} Rf7 {[%emt 0:00:07]} 15. b4 $146 {[%emt 0:00:48]} ({Predecessor:} 15. Rc1 g5 16. b4 Bf8 17. h3 h5 18. a3 {½-½ (33) Bacso,G (2181)-Mede,I (2272) Hungary 2009}) 15... Bf8 {[%emt 0:00:09]} 16. Be1 {[%emt 0:02:43]} g5 {[%emt 0:01:00]} 17. Bf2 {[%emt 0:00:53]} Rg7 {[%emt 0:00:21]} 18. c5 {[%emt 0:02:26]} Qh5 {[%emt 0:02:57]} 19. Qe1 $2 {[%emt 0:10:43]} (19. c6 $16 {and life is bright.}) 19... g4 {[%emt 0:15:43]} 20. Bh4 {[%emt 0:26:57]} g3 {[%emt 0:01:45]} 21. Bxg3 $2 {[%emt 0:00:17]} (21. hxg3 $17 fxg3 22. Bxg3) 21... fxg3 {[%emt 0:00:24]} 22. hxg3 {[%emt 0:00:07]} Qg6 {[%emt 0:07:56]} 23. Rc1 {[%emt 0:03:30]} (23. c6 $17 {keeps fighting.}) 23... Nh5 {[%emt 0:04:12]} 24. g4 {[%emt 0:02:36]} Nf4 {[%emt 0:01:14]} 25. Nxf4 {[%emt 0:01:00]} exf4 {[%emt 0:00:08]} 26. Qf2 $2 {[%emt 0:01:13]} (26. e5 $17) 26... dxc5 {[%emt 0:02:23]} 27. b5 {[%emt 0:00:40]} (27. Bxa6 Qxa6) (27. e5 $17 {was necessary.}) 27... Nb8 {[%emt 0:00:35]} 28. e5 {[%emt 0:02:12]} h5 {[%emt 0:02:58]} (28... Nd7 $19 {has better winning chances.} 29. e6 Ne5) 29. Ne4 $2 {[%emt 0:00:54]} (29. e6 $17) 29... Nd7 {[%emt 0:01:45]} 30. e6 {[%emt 0:02:57]} Nf6 {[%emt 0:02:13]} 31. Nxf6+ {[%emt 0:01:33]} Qxf6 {[%emt 0:00:06]} 32. gxh5 {[%emt 0:00:25]} Qg5 {[%emt 0:04:30]} 33. Bc4 {[%emt 0:00:20]} Bd6 {[%emt 0:00:38]} 34. Rfe1 {[%emt 0:00:37]} b6 {[%emt 0:02:27]} 35. Rc2 {[%emt 0:02:18]} Bb7 {[%emt 0:00:15]} 36. Qd2 {[%emt 0:01:46]} Re8 {[%emt 0:01:31]} 37. a4 {[%emt 0:01:18]} Qxh5 {[%emt 0:01:14]} 38. a5 {[%emt 0:01:27]} Rg5 {[%emt 0:03:38]} 39. Rd1 {[%emt 0:00:23]} Qxf3 $19 {[%emt 0:03:51]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Fucs, Paulo Moses"]
[Black "Bomfim, Carlos B Campos Roc"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "2016"]
[BlackElo "1920"]
[Annotator "NA RC"]
[PlyCount "105"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,105,75,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,87,85,39,62,-11,-15,-12,-4,-5,0,0,32,38,31,51,32767,32767,45,35,68,0,36,26,56,44,32767,32767,32767,32767,32767,53,62,51,50,52,39,49,111,109,260,259,304,32767,32767,260,250,32767,260,260,275,299,304,293,363,32767,32767,32767,32767,265,382,450,577,344,683,420,799,831,963,742,835,970,2148,1314,2717,3282,5608,6095,29953,5222,11972,29975,29987,29958,29993,1133,29992,29993]} 1. e4 {[%emt 0:00:00]} e5 {[%emt 0:01:07]} 2. Nf3 {[%emt 0:00:00]} Qe7 {[%emt 0:00:29]} 3. Nc3 {[%emt 0:00:56]} c6 {[%emt 0:00:37]} 4. d4 {[%emt 0:01:15]} d6 {[%emt 0:00:03]} 5. dxe5 {[%emt 0:02:31] C41: Philidor Defence} (5. a4 Nf6 6. Be2 h6 7. h3 Qc7 8. Be3 Be7 9. O-O O-O 10. Re1 Re8 11. Bc4 Nbd7 12. Ba2 Nf8 13. Qd2 Be6 14. d5 Bd7 15. Rad1 c5 16. Nxe5 dxe5 17. d6 Bxd6 18. Qxd6 Qxd6 19. Rxd6 Be6 20. Bxc5 Bxa2 21. Nxa2 {0-1 (72) Sanal,V (2551)-Fedoseev,V (2718) Riadh 2017}) 5... dxe5 {[%emt 0:00:03]} 6. Bc4 {[%emt 0:02:04]} g6 {[%emt 0:00:13]} 7. Ng5 {[%emt 0:03:16]} Nh6 {[%emt 0:00:22]} 8. O-O {[%emt 0:01:58]} Bg7 {[%emt 0:00:23]} 9. a4 $146 {[%emt 0:01:23]} ({Predecessor:} 9. h3 O-O 10. Nf3 Kh8 11. Re1 Ng8 12. Bg5 f6 13. Bh4 Nd7 14. a4 a5 15. Qe2 Nc5 16. Rad1 Qc7 17. b3 Ne6 18. Bg3 {½-½ (18) Valencia de Loma,S (1689)-Camacho Casado,D (1899) Madrid 2016}) 9... O-O {[%emt 0:00:19]} 10. Qe2 {[%emt 0:03:44]} Nd7 {[%emt 0:02:46]} 11. Kh1 {[%emt 0:01:57]} (11. h3 $16) 11... Kh8 {[%emt 0:02:31]} 12. f4 {[%emt 0:01:59]} ({White should play} 12. Rd1 $14) 12... exf4 {[%emt 0:04:30]} 13. Bxf4 {[%emt 0:00:23]} Ne5 {[%emt 0:00:24]} 14. Bb3 {[%emt 0:02:39]} Bg4 {[%emt 0:05:44]} 15. Qe3 {[%emt 0:02:19]} Rae8 {[%emt 0:01:25]} 16. Rae1 {[%emt 0:04:03]} Bc8 {[%emt 0:02:12]} 17. Qxa7 {[%emt 0:02:36]} Nhg4 {[%emt 0:03:18]} 18. Qg1 {[%emt 0:02:50]} Bh6 {[%emt 0:32:03]} 19. Nh3 {[%emt 0:01:54]} Bxf4 {[%emt 0:06:20]} 20. Rxf4 {[%emt 0:00:17]} ({White should try} 20. Nxf4 $14 Qh4 21. h3) 20... g5 {[%emt 0:01:42]} 21. Rff1 {[%emt 0:01:31]} h5 {[%emt 0:01:06]} 22. Nd1 {[%emt 0:03:01]} Rg8 {[%emt 0:01:42]} 23. Nhf2 {[%emt 0:03:40]} Nh6 {[%emt 0:01:32]} 24. Nd3 {[%emt 0:02:02]} Rg7 {[%emt 0:04:49]} 25. Qc5 {[%emt 0:03:39]} (25. N1f2 $16) 25... Qxc5 {[%emt 0:04:31]} 26. Nxc5 {[%emt 0:00:13]} b6 {[%emt 0:00:56]} 27. Nd3 {[%emt 0:00:29]} Ba6 $1 {[%emt 0:01:08]} 28. N1f2 {[%emt 0:04:42]} c5 {[%emt 0:00:23]} (28... g4 $14) 29. Bd5 {[%emt 0:01:28]} Ng6 {[%emt 0:02:59]} (29... h4 $16 {keeps fighting.} 30. h3 f6) 30. c4 {[%emt 0:00:31]} Nf8 {[%emt 0:01:02]} 31. b3 {[%emt 0:01:09]} Ne6 {[%emt 0:00:19]} 32. Bxe6 {[%emt 0:03:35]} Rxe6 33. a5 Rgg6 {[%emt 0:03:27]} 34. Ra1 {[%emt 0:01:48]} bxa5 {[%emt 0:00:50]} 35. Rxa5 {[%emt 0:00:21]} Rb6 {[%emt 0:01:33]} 36. Nxc5 {[%emt 0:00:30]} Kg7 {[%emt 0:00:27]} 37. Nxa6 {[%emt 0:01:18]} Rxa6 {[%emt 0:00:01]} 38. Rxa6 {[%emt 0:00:11]} Rxa6 {[%emt 0:00:04]} 39. Rb1 {[%emt 0:00:29]} Kf6 {[%emt 0:01:13]} (39... Ng8 {was called for.} 40. b4 Nf6) 40. b4 {[%emt 0:00:22]} Ra4 {[%emt 0:00:25]} 41. Nd3 {[%emt 0:00:24]} Ke7 $2 {[%emt 0:01:01]} (41... Ra3 42. Nc5 Ng4) 42. Nc5 {[%emt 0:00:30]} Ra7 {[%emt 0:00:25]} (42... Ra2 $142 43. h3 Kd6 44. Rd1+ Ke7 45. Rd7+ Kf8) 43. b5 {[%emt 0:00:18]} Kd6 {[%emt 0:01:21]} 44. Nd3 {[%emt 0:01:05]} Rb7 {[%emt 0:01:19]} 45. c5+ {[%emt 0:00:40]} Kc7 {[%emt 0:00:25]} 46. Ne5 {[%emt 0:01:05]} f6 {[%emt 0:01:20]} 47. b6+ {[%emt 0:00:42] Decoy} Kb8 {[%emt 0:01:40]} 48. Nc6+ {[%emt 0:00:38]} Kc8 {[%emt 0:01:07]} 49. Na7+ {[%emt 0:00:14]} Kb8 {[%emt 0:00:28]} 50. c6 {[%emt 0:00:11]} Re7 {[%emt 0:00:46]} 51. Rd1 {[%emt 0:00:42]} Re8 {[%emt 0:00:26] [#]} 52. Rd8+ $18 {[%emt 0:00:12]} Rxd8 {[%emt 0:00:22]} 53. c7+ {[%emt 0:00:10] Double Attack} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Nascimento, Pedro Henrique Alve"]
[Black "Souza, Wellington"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2007"]
[BlackElo "2120"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,128,-25,-17,8,17,26,28,10,0,12,0,39,11,22,16,31,4,1,-4,45,0,0,0,7,0,76,-25,0,-3,0,-7,0,-8,11,10,14,14,16,17,16,3,22,0,22,16,25,5,5,8,11,8,21,4,12,10,20,0,0,0,0,-3,0,0,17,20,28,0,8,9,26,0,10,10,29,39,24,27,81,63,92,0,0,0,0,-345,-297,-592,-363,-903,-854,-834,-817,-598,-584,-1777,-1689,-588,-1928,-1758,-1735,-1447,-1345,-6095,-7432,-4610,-591,-29979,-29980,-29980,-29981,-29981,-29982,-29979,-29970,-29986,-29987,-29987,-29988,-29988,-29989]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nf6 5. e4 dxe4 6. Nc3 e6 {A45: Trompowsky Attack} (6... Bf5 7. g4 Bg6 8. fxe4 Nxe4 9. Bg2 e5 10. Nxe4 exf4 11. Qe2 Be7 12. O-O-O O-O 13. Nc5 c6 14. Nxb7 {1-0 (82) Makhmutov,R (2428)-Martinez Alcantara,J (2448) Sitges 2014}) 7. fxe4 Bb4 8. Qd3 c5 {White has an edge.} 9. dxc5 Qxd3 10. cxd3 Nbd7 $146 ({Predecessor:} 10... Bxc5 11. Nb5 Na6 12. a3 Bb6 13. Nd6+ Ke7 14. Nc4 {1-0 (27) Villar Nieves,A (2177)-Guaza Garcia,J (1990) Vilagarcia de Arousa 2006}) 11. a3 Bxc3+ 12. bxc3 {Black should prevent Bd6.} Nxc5 13. Bd6 b6 14. Nf3 Kd7 15. Bxc5 (15. Bg3 {seems wilder.} Ba6 16. Rd1 Ke7 17. Be2 Nh5 18. Bh4+) 15... bxc5 16. Ne5+ Ke7 17. Rb1 Ba6 (17... Nd7 $11 18. Nc6+ Kd6) 18. c4 (18. d4 $16 Bc8 19. Bd3 (19. dxc5 Nxe4 {[%mdl 64] Double Attack} 20. g3 f5 $11)) 18... Nd7 (18... Rhf8 {is interesting.} 19. Be2 Kd6 20. Nf3 Nd7 21. Kd2 Rab8) 19. Nxd7 Kxd7 20. Be2 Rab8 21. Kd2 Kc7 22. e5 Rxb1 (22... f6 {feels hotter.} 23. exf6 gxf6 24. a4 f5 25. Bf3 e5) 23. Rxb1 $11 {[%mdl 4096] Endgame KRB-KRB} Rb8 24. Rf1 Rf8 25. Bg4 {next Bxe6! is good for White.} Kd7 26. Kc3 f5 27. exf6 gxf6 28. Bd1 Bb7 29. Bf3 Bxf3 30. Rxf3 {KR-KR} e5 31. Rg3 Rf7 32. Rg8 Ke6 33. h4 f5 34. Kd2 Kf6 35. Rc8 Rg7 36. Rc6+ Kf7 37. Rxc5 Rxg2+ 38. Ke3 Ke6 39. Rc6+ Kd7 40. Ra6 Rg3+ 41. Ke2 Rg2+ 42. Kf3 Rd2 43. Ke3 Ra2 (43... Rh2 $11 {keeps the balance.}) 44. Rxa7+ $16 Ke6 {[#]} 45. a4 (45. Ra6+ $1 $16 Ke7 46. Ra7+ Ke6 47. Rxh7) 45... f4+ $11 46. Kf3 Rd2 $1 {[%cal Rd2d3]} 47. Rxh7 $2 {[%mdl 8192]} (47. Ra6+ $11 {and White has nothing to worry.} Kf5 48. Rd6) 47... Rxd3+ $19 48. Ke2 $2 (48. Kg2 {was the only defense.} Rg3+ 49. Kf1) 48... Ra3 49. Ra7 $2 {[#]} (49. Rh6+ Kf5 50. c5) 49... f3+ 50. Kf2 e4 51. Ra8 Ke5 52. Re8+ Kd4 53. Rd8+ Kxc4 54. Rc8+ Kd4 55. Rd8+ Ke5 56. Kg3 Rxa4 57. h5 Ra6 (57... Ra1 $142 58. Kf2 Ra2+ 59. Kg3 Rg2+ 60. Kh3 e3 61. Re8+ Kf4) 58. Kf2 Ra2+ {Black mates.} 59. Kg3 Rg2+ 60. Kh3 Rg1 61. Rf8 Kd4 62. Rf6 Ke3 63. h6 f2 64. h7 f1=Q+ {Accuracy: White = 30%, Black = 49%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Peixoto, Rudson Marinho"]
[Black "Guimaraes, Diogo Duarte"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2007"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,104,32,27,0,0,-16,-23,-16,-9,-25,27,-30,-28,-20,0,-70,-76,-72,-24,-8,0,-39,35,-10,0,-14,0,0,0,-17,0,-82,-58,-91,-96,-87,-92,-98,-27,-32,23,5,31,26,33,45,44,13,25,35,40,33,62,70,66,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-320,-320,-239,-165,-201,-181,-1689,-1547,-4133,-5202,-29964,-29963,-12819,-10812,-4133,-1743]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O O-O 6. Bg5 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} h6 7. Bh4 g5 8. Bg3 d6 9. c3 a6 10. Bxc6 bxc6 {LiveBook: 3 Games} 11. d4 Bb6 12. dxe5 $146 ({Predecessor:} 12. Re1 exd4 13. cxd4 d5 14. e5 Ne4 15. Nc3 {1-0 (32) Morozevich,A (2656)-Belyakov,B (2458) Cheliabinsk 2018}) 12... Nxe4 13. exd6 cxd6 14. Nbd2 d5 (14... Nxg3 $142 15. hxg3 Rb8) 15. Qa4 (15. Nxe4 $142 dxe4 16. Ne5) 15... Nxg3 $11 16. hxg3 Qc7 17. Kh2 ({White should try} 17. Rac1 $11) 17... Bd7 $15 18. Qc2 c5 19. Rfe1 Rfe8 20. Nf1 Qd6 ({Better is} 20... g4 $15 21. Nh4 d4) 21. Rad1 Rxe1 22. Rxe1 d4 23. Ne5 Be6 24. f4 Rd8 25. Rd1 (25. Nd2 $11 {keeps the balance.}) 25... Qc7 $17 26. Qe2 dxc3 27. bxc3 Rxd1 28. Qxd1 gxf4 ({Of course not} 28... Bxa2 $6 29. Qh5 $11) (28... Qd8 $17 29. Qe1 Kg7) 29. gxf4 $11 f6 ({Black should play} 29... Qd8 $15 30. Qh5 Qf6) 30. Qh5 fxe5 31. Qg6+ Kf8 {[#] Threatens to win with ...Qf7.} 32. Qxe6 exf4 33. Qxh6+ Ke7 34. Nd2 Ba5 35. Qg7+ Ke6 36. Qg6+ Kd7 37. Ne4 (37. Qd3+ $14 Ke8 38. Nc4 (38. Qxa6 Bxc3 39. Qg6+ Qf7 $11)) 37... Qe5 38. Qf7+ Kc6 39. Qc4 Bb6 40. Kg1 ({Not} 40. Qxa6 $2 f3+ 41. Kh3 f2 $17) 40... Qd5 41. Qa4+ Kc7 {[#] Strongly threatening ...c4+.} 42. Qe8 c4+ 43. Kh2 Kb7 44. Nf6 Qd6 45. Qd7+ $2 {[%mdl 8192]} (45. Qe4+ $11 {and White is okay.} Ka7 46. Qh7+ Kb8 47. Qg8+ Kb7 48. Qf7+ Qc7 49. Qd5+ Qc6 50. Qf7+ Qc7 51. Qd5+ Qc6 52. Qf7+ Qc7) 45... Qxd7 $19 46. Nxd7 {[%mdl 4096] Endgame KB-KN} Bc7 47. Kh3 Kc6 48. Nf6 $2 (48. Nf8) 48... Be5 49. Nh5 Kd5 50. Kg4 Ke4 51. a3 Bxc3 52. Nxf4 Bd2 {Accuracy: White = 33%, Black = 54%.} (52... Bb2 $142 53. Ne2 Ke3) 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "Pimentel, Rafael Favarin G."]
[Black "Campos, Alexandre Ferreira"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "1886"]
[BlackElo "2076"]
[Annotator "NA RC"]
[PlyCount "129"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,129,12,32767,32767,32767,32767,83,73,54,54,45,56,-3,0,-7,-3,-47,-49,-60,-12,-10,-9,-19,0,32767,-40,-77,-90,-85,-84,-74,-83,-78,32767,-104,-82,32767,32767,-76,-74,-86,-72,-99,-114,-107,-127,-132,32767,32767,32767,32767,-145,-142,-135,-137,-141,-140,-113,-134,-83,-101,32767,-5,-18,-139,-139,-153,-133,-156,-110,-99,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,329,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:00]} c5 {[%emt 0:00:21]} 4. Nf3 {[%emt 0:01:29]} cxd4 {[%emt 0:00:52]} 5. Nxd4 {[%emt 0:00:11]} Nc6 {[%emt 0:00:06]} 6. Bg5 {[%emt 0:01:15]} Bc5 {[%emt 0:02:09] LiveBook: 3 Games A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} (6... Be7 7. e3 O-O 8. Be2 h6 9. Bh4 d5 10. cxd5 exd5 11. O-O Be6 12. Rc1 Qd7 13. Nxe6 fxe6 14. Bd3 Rad8 15. Bb1 Qe8 {1-0 (40) Wojtaszek,R (2749)-Radjabov,T (2710) Doha 2016}) 7. e3 {[%emt 0:01:07]} Qb6 {[%emt 0:04:10]} 8. Nb3 {[%emt 0:01:04]} Bb4 {[%emt 0:03:12]} 9. Bxf6 {[%emt 0:14:49]} gxf6 {[%emt 0:00:11]} 10. Qc2 $146 {[%emt 0:02:12]} ({Predecessor:} 10. Rc1 Na5 11. c5 Bxc5 12. Nxc5 Qxc5 13. Qd2 Nc4 14. Bxc4 Qxc4 {1-0 (66) Roiz,M (2605)-Fernandez,F (2410) Baku 2016}) 10... Bxc3+ {[%emt 0:01:12]} 11. Qxc3 {[%emt 0:01:03]} Qb4 {[%emt 0:00:03]} 12. Be2 {[%emt 0:05:12]} Qxc3+ {[%emt 0:00:40]} 13. bxc3 {[%emt 0:00:01]} b6 {[%emt 0:00:46]} 14. Rd1 {[%emt 0:03:03]} Ke7 {[%emt 0:00:30]} 15. f3 {[%emt 0:01:31]} d6 {[%emt 0:00:21]} 16. Nd4 {[%emt 0:02:23]} Bb7 {[%emt 0:06:07]} 17. Kf2 {[%emt 0:01:15]} Rac8 {[%emt 0:01:06]} 18. g4 {[%emt 0:02:47]} Rhd8 {[%emt 0:00:24]} 19. Nxc6+ {[%emt 0:09:28]} Rxc6 {[%emt 0:00:59]} 20. Rb1 {[%emt 0:00:08]} Rc5 {[%emt 0:02:03]} 21. Rb5 {[%emt 0:03:01]} Rdc8 22. Rhb1 {[%emt 0:00:23]} Ba6 {[%emt 0:04:59]} 23. Rxc5 {[%emt 0:02:14]} Rxc5 {[%emt 0:00:04]} 24. Rb4 {[%emt 0:00:12]} Ra5 {[%emt 0:00:15]} 25. a4 {[%emt 0:00:28]} Bb7 {[%emt 0:03:51]} 26. Bd1 {[%emt 0:01:35]} Rc5 {[%emt 0:01:35]} 27. Be2 {[%emt 0:06:31]} Bc6 {[%emt 0:00:37]} 28. Ke1 {[%emt 0:00:28]} Kd7 {[%emt 0:00:15]} 29. f4 {[%emt 0:09:05]} Kc7 {[%emt 0:03:54]} 30. h4 {[%emt 0:05:25]} a5 {[%emt 0:00:56]} 31. Kd2 {[%emt 0:06:01]} f5 {[%emt 0:04:54]} ({Don't play} 31... axb4 $6 32. cxb4 f5 33. bxc5 $11) 32. g5 {[%emt 0:00:42]} Bd7 {[%emt 0:06:09]} ({Don't do} 32... axb4 33. cxb4 Bxa4 34. bxc5 $15) 33. Rb1 {[%emt 0:02:03]} Bxa4 {[%emt 0:00:17]} 34. h5 {[%emt 0:00:21]} Bc6 {[%emt 0:02:10]} 35. h6 {[%emt 0:00:48]} a4 {[%emt 0:00:19]} (35... Kb7 $142 36. Ra1 Be4) 36. Rg1 {[%emt 0:02:44]} a3 {[%emt 0:04:41]} 37. Ra1 {[%emt 0:03:04]} Ra5 {[%emt 0:00:22]} 38. Bh5 {[%emt 0:01:21] [#]} (38. Kc2 $1 $11) 38... Be8 $1 {[%emt 0:00:23]} 39. Kc2 {[%emt 0:00:10] [#]} Kc6 $1 {[%emt 0:03:25]} 40. Kb3 {[%emt 0:04:35]} Kc5 {[%emt 0:00:22]} 41. Be2 {[%emt 0:00:11]} b5 $2 {[%emt 0:09:30]} (41... Ba4+ $19 42. Ka2 d5 43. cxd5 Kxd5) 42. Rxa3 {[%emt 0:01:44]} bxc4+ {[%emt 0:00:19]} 43. Ka2 {[%emt 0:00:17]} Rxa3+ {[%emt 0:04:09]} 44. Kxa3 {[%emt 0:00:11]} e5 {[%emt 0:00:17]} 45. Kb2 {[%emt 0:03:33]} exf4 {[%emt 0:00:27]} 46. exf4 {[%emt 0:00:02]} d5 {[%emt 0:00:23]} 47. Kc2 {[%emt 0:01:44]} d4 {[%emt 0:01:11]} 48. Bf3 {[%emt 0:02:08]} d3+ {[%emt 0:00:51]} 49. Kd2 {[%emt 0:00:11]} f6 {[%emt 0:07:47]} 50. gxf6 {[%emt 0:00:21]} Kd6 {[%emt 0:00:36]} 51. Bb7 {[%emt 0:00:08]} Bf7 $1 {[%emt 0:00:56]} 52. Bc8 {[%emt 0:00:13]} Be6 $1 {[%emt 0:02:33]} 53. f7 {[%emt 0:00:25]} Bxf7 {[%emt 0:00:54]} 54. Bxf5 {[%emt 0:00:17]} Bg8 {[%emt 0:00:19]} 55. Ke3 {[%emt 0:00:25]} Ke7 {[%emt 0:00:41]} 56. Be4 {[%emt 0:02:13]} Kf6 {[%emt 0:00:18]} 57. Kd2 {[%emt 0:00:09]} Ke6 {[%emt 0:01:12]} 58. Ke3 {[%emt 0:00:10]} Kd6 {[%emt 0:00:02]} 59. Kd2 {[%emt 0:00:09]} Kc5 {[%emt 0:00:36]} 60. Ke3 {[%emt 0:00:17]} Kb5 {[%emt 0:00:29] [#]} 61. Kd2 $2 {[%emt 0:00:24]} (61. f5 $1 $18) 61... Kc5 {[%emt 0:00:46]} 62. Ke3 {[%emt 0:00:13]} Kd6 {[%emt 0:00:01]} 63. Kd2 {[%emt 0:00:09]} Ke6 {[%emt 0:03:43]} 64. Ke3 {[%emt 0:00:06]} Kf6 $11 {[%emt 0:00:12]} 65. Kd2 {[%emt 0:00:18] Ke5} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.17"]
[Round "5"]
[White "De Almeida, Roberto A. Ferreira"]
[Black "Teixeira, Ricardo Da Silva"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1784"]
[BlackElo "2239"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,-32,-25,-32,-31,-64,-65,-70,-39,-43,-37,-60,-37,-81,-27,-29,-23,-33,-4,-151,-148,-153,-146,-139,-144,-142,-139,-141,-133,-175,-152,-217,-218,-216,-222,-221,-220,-214,-208,-204,-191,-620,-611,-695,-694,-701,-691,-615,-599,-825,-777,-693,-671]} 1. e4 Nf6 2. Bc4 Nxe4 3. Bxf7+ Kxf7 4. Qh5+ Kg8 (4... g6 5. Qd5+ e6 6. Qxe4 Bg7 7. Nf3 Rf8 8. d4 Kg8 9. Bg5 d5 10. Qd3 Qd6 11. Nc3 c5 12. O-O-O cxd4 13. Nxd4 {0-1 (46) Milanovic,S (2178)-Varga,Z (2447) Novi Sad 2015}) 5. Qd5+ e6 6. Qxe4 {B02: Alekhine's Defence: Chase Variation and lines with early Nc3} d5 7. Qe2 Nc6 8. Nf3 {Black is slightly better.} Qf6 (8... e5 $5 {[%cal Re5e4]} 9. d3 Bg4 $17) 9. Nc3 a6 10. O-O Bd6 11. d3 Bd7 $146 (11... h6 $17) ({Predecessor:} 11... h6 12. Qd1 {0-1 (33) Amador,S (2330)-Teixeira,R (2295) Rio de Janeiro 1995}) 12. Bg5 $11 Qf7 13. d4 Re8 (13... Qh5 $5 {[%cal Rc6d4]} 14. Be3 Rf8 $15) 14. Ne5 (14. Bh4 $11 {keeps the balance.}) 14... Nxd4 $17 15. Nxf7 Nxe2+ 16. Nxe2 Kxf7 17. Rad1 Rhf8 18. Be3 Kg8 19. f4 Bb5 20. Rd2 (20. Rfe1 $17 {is a better defense.}) 20... e5 $19 21. fxe5 Rxf1+ 22. Kxf1 Bxe5 23. Kf2 Bxe2 ({Don't play} 23... Bxb2 24. c4 $17) 24. Rxe2 Bxb2 {[%mdl 4096] Endgame [#] KRB-KRB} 25. Rd2 $2 (25. c4 $1 {[%mdl 512]} Rf8+ (25... dxc4 26. Rxb2) 26. Kg1) 25... Bc1 {Black is clearly winning.} 26. Rd3 Bxe3+ 27. Rxe3 Rxe3 28. Kxe3 Kf7 29. Kd4 Ke6 30. Kc5 Ke5 {Accuracy: White = 29%, Black = 71%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Di Berardino, Diego Rafael"]
[Black "Von Buelow, Georg"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2526"]
[BlackElo "2354"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,97,72,68,64,57,68,93,111,116,118,115,100,109,116,111,73,76,73,73,79,85,78,88,77,75,50,84,64,75,75,76,66,83,74,100,93,116,116,113,102,117,120,141,127,152,142,158,150,179,95,347,348,320,195,191,178,202,195,196,177,173,170,718,194,227,248,318,255,211,151,657,653,1462,1437,2714,2721,29982,29980,1202,948,807,684,1666,1651]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 {[%cal Bd2d3,Bd3d4][%mdl 32]} Bc5 5. O-O O-O 6. Bxc6 bxc6 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} 7. Nxe5 d5 8. d4 Bb6 {LiveBook: 3 Games. White is better.} 9. exd5 Qxd5 10. Be3 Ba6 11. Re1 $146 ({Predecessor:} 11. c4 Bxc4 12. Nc3 Qe6 13. Re1 Ba6 14. Qf3 {1-0 (47) Andriasian,Z (2619)-Wlodarczyk,R (2264) Warsaw 2011}) 11... Rad8 12. Nc3 Qe6 13. Qf3 Nd5 14. Nxd5 cxd5 15. Rad1 Rfe8 16. h3 f6 17. Nd3 Qd7 18. c3 Re4 19. Rd2 Rde8 20. Red1 Bb7 21. Qg3 R4e7 22. Nc5 Bxc5 23. dxc5 Qa4 24. b3 Qa6 25. Kh2 Bc6 26. Bf4 Qc8 27. Rd4 Bb7 28. R1d3 Ba6 29. Re3 Rxe3 30. Bxe3 c6 31. Ra4 $40 {[%mdl 128] White is out for blood.} Qb7 32. Bh6 ({White should play} 32. c4 $18) 32... Bb5 $2 {[%mdl 8192]} (32... Be2 $16 {was called for.}) 33. Rg4 $18 {[%cal Rg4g7]} Re7 34. a4 Be2 {[#]} 35. Rb4 $1 {[%cal Rb4b7]} Qc7 {Threatens to win with ...Qxg3+.} 36. Rb8+ Kf7 37. Bf4 Qd7 38. Rh8 Qf5 $2 (38... Bh5 39. Bd6 (39. Rxh7 Bg6 $16) 39... Re8 40. Rxh7 Bg6) 39. Ra8 $2 (39. Bd6) 39... g5 40. Bd6 Rb7 41. Rf8+ ({Less strong is} 41. Qe3 Qe4 $16) 41... Kg7 42. Re8 Qd3 $2 (42... Bh5 $16 43. Rb8 Rxb8 44. Bxb8 Qd7) 43. Re3 Qd1 {[#]} 44. Be5 $1 {[%mdl 512] Threatening mate with Qxg5+.} h6 {[#]} (44... fxe5 45. Qxg5+) 45. Bxf6+ $1 {[%mdl 576] Remove Defender, Clearance} Kxf6 46. Qe5+ Kg6 47. Rxe2 {White is clearly winning.} Rf7 48. Qd6+ Kg7 49. Re6 {Accuracy: White = 65%, Black = 32%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Galego, Luis"]
[Black "Almeida, Gianluca Jorio"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2479"]
[BlackElo "2109"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,61,-19,-22,19,-27,10,18,22,25,32,4,119,114,117,117,135,134,175,182,182,180,160,153,161,161,161,173,219,129,345,354,348,350,327,331,715,711,733,732,729,717,724,710,710,710]} 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 Nc6 5. Bg2 Nf6 6. O-O d6 7. d3 Be7 8. Ng5 h6 {B50: Sicilian: 2...d6, Miscellaneous} 9. Nh3 O-O (9... Qc7 10. f4 b5 11. a3 Bb7 12. g4 Nd7 13. f5 Nde5 14. Nf4 Nd4 15. Nce2 exf5 16. gxf5 Bg5 17. Ng3 b4 18. c3 bxc3 19. bxc3 {1-0 (44) Shabalov,A (2544)-Ramirez Alvarez,A (2568) chess.com INT 2018}) 10. f4 {[%cal Bf2f4,Bf4f5,Bf5f6][%mdl 32] LiveBook: 3 Games} Nd4 {The position is equal.} 11. g4 $146 ({Predecessor:} 11. Ne2 e5 12. c3 Nxe2+ 13. Qxe2 {1-0 (50) Schebler,G (2402)-Luong,P (2148) Ho Chi Minh City 2017}) 11... e5 12. f5 Nh7 13. Nd5 Bh4 $1 14. Kh1 Ng5 (14... b5 $11 {remains equal.}) 15. c3 $16 {Strongly threatening Nxg5.} Nc6 16. f6 Nxh3 17. Bxh3 g5 18. Ne3 {Black must now prevent Ng2.} Kh7 19. Ng2 Rg8 20. Nxh4 gxh4 21. Qe1 {Threatens to win with Bxh6!} Rg6 22. Qxh4 Be6 {[#]} 23. Be3 (23. g5 $1 $18 Bxh3 24. Qxh3) 23... Qd7 $2 {[#]} (23... d5 $16 {keeps fighting.}) 24. Rf5 $1 $18 {[%mdl 512] Threatening mate with Rh5.} Rh8 (24... Bxf5 25. gxf5) 25. Rh5 {[%cal Rh5h6]} Kg8 26. Rg1 {[%cal Re3h6]} ({Not} 26. Rxh6 Rhxh6 27. Bxh6 Bxg4 $16) ({Weaker is} 26. Bxh6 Bxg4 27. Qxg4 Qxg4 $16) 26... Kf8 $2 (26... Qd8 27. g5 (27. Bxh6 Qxf6 28. Bg5 Qg7 $16) 27... Qd7 28. Bxe6 Qxe6 29. gxh6 Kh7) 27. Bxh6+ {White is clearly winning.} Ke8 28. Bg7 {[%cal Rh5h8]} Rxh5 29. gxh5 {[%cal Bg4h5,Bh5h6][%mdl 32]} ({Less strong is} 29. Qxh5 Kd8 $16) 29... Rxg1+ 30. Kxg1 Bxh3 31. h6 {Precision: White = 84%, Black = 45%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Matsuura, Everaldo"]
[Black "Rodriguez Vila, Andres"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2476"]
[BlackElo "2482"]
[Annotator "RC"]
[PlyCount "77"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:17:08]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:14]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:09]} c6 {[%emt 0:00:00]} 4. f4 {[%emt 0:00:54]} Bg4 {[%emt 0:00:29]} 5. Qd3 {[%emt 0:03:54]} Na6 {[%emt 0:00:34]} 6. h3 {[%emt 0:01:17]} Nb4 {[%emt 0:02:56]} 7. Qd2 {[%emt 0:01:18]} Bd7 {[%emt 0:00:25]} 8. a3 {[%emt 0:03:12]} Qa5 {[%emt 0:00:43]} 9. Rb1 {[%emt 0:11:00]} Na6 {[%emt 0:00:05]} 10. b4 {[%emt 0:04:02]} Qh5 {[%emt 0:01:05]} 11. Qf2 {[%emt 0:09:59]} e5 {[%emt 0:17:26]} 12. dxe5 {[%emt 0:08:59]} dxe5 {[%emt 0:00:25]} 13. f5 {[%emt 0:03:12]} g5 {[%emt 0:00:30]} 14. Nf3 {[%emt 0:07:20]} Rg8 {[%emt 0:03:56]} 15. Be2 {[%emt 0:02:58]} Qh6 {[%emt 0:11:26]} 16. h4 {[%emt 0:05:40]} Be7 {[%emt 0:00:50]} 17. Qg1 {[%emt 0:01:44]} Nxe4 {[%emt 0:04:27]} 18. Nxe4 {[%emt 0:01:12]} Bxf5 {[%emt 0:00:03]} 19. hxg5 {[%emt 0:07:33]} Qe6 {[%emt 0:00:06]} 20. Qe3 {[%emt 0:01:26]} Nc7 {[%emt 0:01:24]} 21. c4 {[%emt 0:00:14]} O-O-O {[%emt 0:00:32]} 22. Rb2 {[%emt 0:00:24]} Kb8 {[%emt 0:11:38]} 23. Rd2 {[%emt 0:00:05]} Rde8 {[%emt 0:06:57]} 24. Rd1 {[%emt 0:03:57]} Bg6 {[%emt 0:05:44]} 25. Kf1 {[%emt 0:02:20]} Qf5 {[%emt 0:04:34]} 26. Ng3 {[%emt 0:01:17]} Qc8 {[%emt 0:00:18]} 27. Bb2 {[%emt 0:00:39]} Bc2 {[%emt 0:04:30]} 28. Rd2 {[%emt 0:00:57]} e4 {[%emt 0:04:21]} 29. Rxc2 {[%emt 0:00:06]} exf3 {[%emt 0:00:02]} 30. Qxf3 {[%emt 0:00:07]} Rxg5 {[%emt 0:00:10]} 31. Bd3 {[%emt 0:00:22]} Rd8 {[%emt 0:03:59]} 32. Rh5 {[%emt 0:00:25]} Rg6 {[%emt 0:07:43]} 33. Bxg6 {[%emt 0:01:05]} fxg6 {[%emt 0:00:43]} 34. Rxh7 {[%emt 0:00:22]} Qe6 {[%emt 0:04:59]} 35. Re2 {[%emt 0:00:34]} Qxc4 {[%emt 0:03:02]} 36. Rhxe7 {[%emt 0:00:15]} Nd5 {[%emt 0:00:31]} 37. R7e4 {[%emt 0:00:48]} Qb5 {[%emt 0:00:01]} 38. Kg1 {[%emt 0:00:24]} g5 {[%emt 0:00:30]} 39. Re8 {[%emt 0:00:25]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Perdomo, Leandro"]
[Black "Urquiza, Marcello de Albuque"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2476"]
[BlackElo "2018"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,45,11,8,2,4,11,39,29,143,152,300,295,298,285,291,270,280,290,399,207,401,393]} 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. Bb3 Nc6 8. Nc3 Be7 9. Qe2 cxd4 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} 10. Rd1 e5 (10... O-O 11. Nxd4 Nxd4 12. exd4 Nd5 13. Qf3 Nxc3 14. bxc3 Qc7 15. Bf4 Bd6 16. Bxd6 Qxd6 17. c4 Rb8 18. Rac1 Bd7 19. c5 Qc7 20. d5 exd5 21. Bxd5 {½-½ (46) Leko,P (2738)-Karpov,A (2668) Miskolc 2006}) 11. exd4 exd4 12. Nxd4 Nxd4 13. Qe5 Qd6 {LiveBook: 11 Games} 14. Qxd6 Bxd6 15. Rxd4 Bc5 (15... Be5 $5 {[%cal Re5d4]} 16. Rb4 O-O $11) 16. Rc4 Be7 $146 (16... b6 $11 {remains equal.}) ({Predecessor:} 16... b6 17. Ne4 Be6 18. Nxf6+ gxf6 {1-0 (45) Szeberenyi,A (2321)-Lyell,M (2245) Budapest 2013}) 17. Rc7 $16 Nd7 (17... Be6 $16) 18. Bf4 $18 g5 19. Nd5 gxf4 20. Re1 Kd8 {[#] ...Bd6 is the strong threat.} 21. Rxe7 Re8 22. Rxe8+ Kxe8 23. Rxd7 {[%mdl 64] Clearance} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Romanishin, Oleg M"]
[Black "Roselli Mailhe, Bernardo"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2435"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,120,63,27,16,10,41,33,48,41,35,18,58,19,27,39,34,37,224,197,204,198,181,207,155,153,409,440,419,235,239,64,87,77,93,92,81,88,98,88,96,87,81,94,120,66,69,67,138,116,99,64,62,68,371,65,176,83,70,48,48,39,73,46,67,27,27,27,30,30,93,93,93,93,93,93,93,74,74,75,93,93,93,93,93,93,93,93,93,93,94,93,93,18,18,18,18,25,26,0,26]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. O-O d6 6. d4 c5 7. b3 Nc6 8. Bb2 Ne4 9. Nbd2 Bf5 10. Nh4 Nxd2 11. Qxd2 Bd7 12. e3 {LiveBook: 3 Games} cxd4 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} 13. exd4 a5 $146 ({Predecessor:} 13... e5 14. d5 Nd4 15. f4 Qb6 16. Kh1 Rfe8 17. fxe5 dxe5 18. Rac1 Rac8 19. b4 Qa6 20. c5 Qxa2 {1-0 (45) Demuth,A (2542)-Burnier,D (2305) Flims 2016}) 14. Rad1 Bg4 {White is slightly better.} 15. f3 {[%cal Bf2f3,Bf3f4,Bf4f5,Bf5f6][%mdl 32]} Bc8 16. Kh1 Qb6 17. Bc3 e5 {[%cal Re5d4]} 18. d5 Nd4 19. f4 Qa6 $2 (19... Bg4 $14) 20. Bxd4 $18 exd4 21. f5 Qb6 22. f6 Bh8 23. Rde1 ({Much less strong is} 23. Qxd4 $6 Qxd4 24. Rxd4 g5 $14) 23... Bd7 $2 (23... Qb4 $16 {might work better.} 24. Qxd4 a4) 24. Re7 Qd8 25. Qf4 (25. Qg5 $142) 25... d3 26. Re3 $2 ({Don't take} 26. Qxd6 $6 Bc8 $16) (26. Be4 $18 {Threatens to win with Nxg6!} Bh3 27. Bg2) 26... d2 27. Rd3 ({Don't play} 27. Qxd6 $6 Bxf6 28. Nf3 Bg5 $11) 27... Re8 28. Rxd2 Re5 {Threatening ...g5.} 29. Nf3 Rf5 30. Qxd6 Rxf6 31. Qc5 b6 32. Qe3 $36 {[%mdl 2048] White is really pushing.} Qf8 33. Re2 (33. Re1 $16) 33... Re8 $14 34. Qd2 Rd8 (34... Rxe2 $14 35. Qxe2 Bg7) 35. Ref2 Qc5 36. Ng5 Rxf2 37. Rxf2 f5 $2 {[%mdl 8192]} (37... Rf8 $14) 38. Re2 $2 ({Only move:} 38. d6 $18 Bf6 39. Bd5+ Kg7 40. Nf7) 38... Bf6 {[#]} ({Better is} 38... Qd4 $14) 39. Qf4 (39. d6 $1 $18) 39... Qd4 $16 40. Qxd4 Bxd4 41. d6 Bf6 42. Bd5+ Kg7 43. Ne6+ Bxe6 $1 44. Rxe6 $11 {[%mdl 4096] Endgame KRB-KRB} Bd4 45. Re7+ Kf8 (45... Kf6 $11 {keeps the balance.}) 46. Rf7+ $16 Ke8 47. Rxh7 Rxd6 48. Kg2 Kf8 49. Rf7+ Ke8 {[#] ...Rxd5! is the strong threat.} 50. Rb7 Kd8 51. h4 Rf6 52. Kf3 Be5 53. Rh7 Bb2 54. Rf7 Ke8 55. Rb7 Kf8 56. a4 Ba3 57. g4 (57. Rh7 $16) 57... fxg4+ $11 58. Kxg4 Bc1 59. Rb8+ Ke7 60. Rb7+ Kf8 {Precision: White = 44%, Black = 50%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Menna Barreto, Felipe Kubiaki"]
[Black "Hoffman, Alejandro"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2342"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,59,37,50,47,43,0,12,10,20,12,12,0,20,19,20,6,27,19,35,16,14,7,12,3,36,17,57,0,29,23,35,9,0,6,34,0,35,35,427,419,404,397]} 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. Bb2 Bb7 8. e3 Nbd7 9. Nc3 Nc5 10. d4 Nce4 11. Nxe4 {A14: English Opening: 1...e6 with b3 by White} Nxe4 12. Nd2 (12. Qe2 a5 13. a4 Bb4 14. Ne5 f5 15. Rfd1 Qe7 16. Rac1 Bd6 17. Nd3 c6 18. Qe1 Rfb8 {1-0 (70) Li,C (2693)-Rozentalis,E (2592) Queenstown 2012}) 12... Nxd2 $146 ({Predecessor:} 12... f5 13. Rc1 c5 14. Nxe4 dxe4 15. dxc5 bxc5 16. Qxd8 Rfxd8 17. Rfd1 Kf7 18. Kf1 a5 19. Rxd8 Rxd8 {½-½ (39) Harika,D (2505)-Koneru,H (2581) Beijing 2014}) 13. Qxd2 {The position is equal.} a5 14. Qc2 Qd7 15. Rfd1 Ra7 16. Rac1 Rc8 17. c5 {c6 is the strong threat.} bxc5 18. dxc5 {Threatens to win with c6.} c6 19. Qe2 Qd8 20. e4 Ba6 21. Qg4 {[%csl Gb2][%cal Rg4g7]} Qf8 22. h4 $40 {[%mdl 128] White mounts an attack.} Rb8 23. Be5 (23. Qf4 $14) 23... Rb5 24. exd5 exd5 25. Bf1 Rb4 ({Wrong is} 25... Rxc5 $2 26. Bxa6 f6 27. Bd4 $18) 26. Rd4 {aiming for Bxa6.} Bc8 27. Qe2 (27. Qf4 $5) 27... Bxc5 28. Rxb4 axb4 $4 {[%mdl 8192] [#]} ({Better is} 28... Bxb4 $14 29. Rxc6 Re7) 29. Rxc5 $1 $18 {[%mdl 576] Remove Defender} Qxc5 {[#]} 30. Bd4 $1 {[%mdl 576] Skewer. Accuracy: White = 50%, Black = 35%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Rodi, Luis Ernesto"]
[Black "Lima, Darcy"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2327"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,106,13,14,17,16,16,20,41,9,7,0,0,0,0,-43,-22,-31,-43,-47,-34,-33,-35,-77,0,-60,0,-197,-131,-219,-231,-345,-329,-418,-271,-594,-582,-517,-285,-274,-253,-335,-345,-410,-383,-362,-282,-362,-283,-422,-389,-559,0,-316,-295,-306,-238,-245,-189,-173,0,0,0,0,0,0,0,0,0,0,33,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,45,0,0,0,0,0,0]} 1. e4 g6 2. d4 Bg7 3. c3 d6 4. Bc4 Nf6 5. Qe2 e5 6. dxe5 {B06: Modern Defence} dxe5 7. Nf3 {LiveBook: 9 Games} Qe7 8. O-O O-O 9. Rd1 b6 $146 ({Predecessor:} 9... Nbd7 10. Nbd2 Nc5 11. b4 Na4 12. Nb1 Bg4 13. Bb3 Nb6 {1-0 (65) Rodi,L (2354)-Martins,S (2033) Cuiaba 2012}) 10. b3 Bb7 11. Ba3 c5 12. Bd3 Nh5 13. Qe3 Nf4 14. Bf1 Bh6 15. Qe1 f5 16. Nbd2 $1 Nd7 17. g3 {[#]} Nh5 (17... Nf6 $1 $17 {[%cal Rf5e4]} 18. exf5 (18. gxf4 Bxf4 19. Bc4+ Kh8 $14) 18... N4d5) 18. Bg2 (18. exf5 $11 e4 19. Nh4) 18... Rae8 ({Better is} 18... Ndf6 $15 19. exf5 e4) 19. exf5 $2 (19. Bc1 $1 $11 {and White is okay.}) 19... e4 $36 {[%mdl 2048] Black is in control.} (19... gxf5 20. Nc4 $11) 20. Nh4 (20. Nd4 $17 gxf5 21. Nc4) 20... g5 {[%cal Bg6g5,Bg5h4][%mdl 32]} ({And not} 20... gxf5 21. Nc4 $14) 21. Nc4 (21. Nxe4 {was necessary.} Bxe4 22. Qxe4 Qxe4 23. Bxe4 Rxe4 24. Rxd7 gxh4 25. Rxa7) 21... gxh4 22. Nd6 Ndf6 {And now ...e3 would win.} 23. Nxe8 $2 (23. Bc1 Bxc1 24. Nxe8 Rxe8 25. Raxc1) 23... Rxe8 ({Weaker is} 23... Qxe8 24. b4 $17) (23... Nxe8 24. Qe2 $17) 24. Bc1 Bxc1 25. Raxc1 hxg3 26. hxg3 Ng4 27. Qe2 Nhf6 28. Bh3 Ne5 29. Qe3 Qg7 30. c4 (30. Rd6 {is a better defense.} Nd5 31. Qh6) 30... Nfg4 31. Qf4 (31. Bxg4 $142 Qxg4 32. f6) 31... Nf6 32. Qe3 $1 Nf3+ 33. Kf1 Ng5 34. Bg2 Ng4 35. Qf4 Nf3 $2 (35... Nh2+ $19 36. Ke2 Bc8) 36. Bxf3 $1 $14 Nh2+ 37. Kg2 Nxf3 38. f6 Qf7 {[#] aiming for ...e3!} 39. Qg4+ Kh8 $1 40. Rd7 Bc8 41. Rxf7 {[%csl Gf6,Gf7][%cal Rg4g7]} Bxg4 42. Re7 {[%cal Re7e8]} Rf8 43. Rxe4 h5 44. Rf4 Ne5 {...Nd3 is the strong threat.} 45. Rh1 {Strongly threatening Rxg4!} Kg8 {Hoping for ...Nd3.} 46. f3 Nxf3 47. Rxf3 Bxf3+ 48. Kxf3 Rxf6+ $11 {KR-KR} 49. Ke3 Rf5 50. Rd1 Rf7 51. Rh1 Re7+ {The position is equal.} 52. Kf3 Rf7+ 53. Ke3 Re7+ {Precision: White = 41%, Black = 59%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Guimaraes, Diogo Duarte"]
[Black "Souza Neves, Andrey M."]
[Result "0-1"]
[ECO "B62"]
[WhiteElo "2272"]
[BlackElo "2074"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,88,13,26,7,0,-19,0,-257,-266,-263,-268,-385,-388,-385,-387,-421,-423,-445,-437,-437,-424,-425,-424,-420,-408,-433,-415,-534,-458,-440,-453,-452,-461,-500,-484,-485,-490,-480,-519,-520,-464,-471,-474,-542,-540,-614,-606,-625,-573,-827,-801,-910,-891,-875,-872,-5498,-4934,-5089,-5310,-2848,-2623,-2056,-2202,-1866,-1758,-5627,-5856,-29987,-29988,-29991,-29992,-29993,-29994,-29994,-29995]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Bb5 Bd7 8. O-O Be7 9. Qd3 {B62: Sicilian: Richter-Rauzer: 6...e6: Unusual White 7th moves} (9. Bxc6 Bxc6 10. Qd3 h6 11. Bh4 a6 12. Rad1 Rc8 13. Nxc6 Rxc6 14. e5 dxe5 15. Qg3 Qb6 16. Qxg7 Rg8 17. Qxh6 Rg6 18. Qh8+ Rg8 19. Qh6 Rg6 20. Qh8+ Rg8 21. Qh6 {½-½ (21) Gadimbayli,A (2415)-Tahbaz,A (2442) Baku 2018}) 9... O-O 10. Rad1 Rc8 11. Qg3 $146 {[%mdl 8192]} (11. Bxc6 $11 {and White is okay.} Bxc6 12. a3 (12. Nxc6 Rxc6 13. Be3 Qa5 $11)) ({Predecessor:} 11. Nf3 a6 12. Bxc6 Bxc6 13. Bxf6 Bxf6 14. Qxd6 Qxd6 15. Rxd6 Bxc3 16. bxc3 Bxe4 {0-1 (33) Lane,T (1479)-Jones,J (1310) IECC email 1998}) 11... Nxd4 $19 {[%mdl 64] Discovered Attack} 12. Rxd4 {[#] Strongly threatening Bxf6.} Rxc3 $1 {[%mdl 576] Remove Defender} 13. bxc3 (13. Qxc3 {was the only chance.} Bxb5 14. Re1) 13... Bxb5 14. c4 {Threatens to win with Bxf6.} e5 15. Bxf6 Bxf6 16. Rdd1 Bxc4 {[%mdl 64] [#] Double Attack} 17. Rfe1 Qb6 18. Qa3 Rd8 19. Rb1 Qa6 20. Qb4 b5 21. Re3 Qc6 22. a4 a6 {[%cal Ba7a6,Ba6b5,Bb5b4][%mdl 32]} 23. Rd1 h6 24. g3 d5 25. exd5 Rxd5 26. Rxd5 Qxd5 27. axb5 axb5 28. Qe1 g6 29. h4 h5 30. f3 Bg7 31. Kg2 Qc5 32. Kh2 b4 33. g4 hxg4 34. fxg4 Bd5 35. Qd2 e4 {[%cal Be5e4,Be4e3,Be3e2][%mdl 32]} 36. Re2 Be5+ 37. Kh3 Qg1 {[%csl Ge5][%cal Rg1g3]} 38. Qe1 Qxe1 39. Rxe1 f5 {[%cal Bf7f5,Bf5f4,Bf4f3][%mdl 32]} 40. Rb1 e3 41. h5 f4 {Black mates.} 42. g5 e2 43. h6 f3 44. h7+ Kxh7 {Accuracy: White = 32%, Black = 93%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Teixeira, Ricardo Da Silva"]
[Black "Pimentel, Rafael Favarin G."]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2239"]
[BlackElo "1886"]
[Annotator "NA RC"]
[PlyCount "81"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:35:24]} c5 {[%emt 0:00:45]} 2. Nf3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:19]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:09]} d6 {[%emt 0:00:09]} 6. g3 {[%emt 0:03:30]} a6 {[%emt 0:08:57]} 7. Bg2 {[%emt 0:00:12]} Bd7 {[%emt 0:01:13]} 8. O-O {[%emt 0:00:49]} e6 {[%emt 0:00:06]} 9. Nxc6 {[%emt 0:01:38]} Bxc6 {[%emt 0:00:47]} 10. Re1 {[%emt 0:00:50]} Be7 {[%emt 0:00:21]} 11. a4 {[%emt 0:00:19]} O-O {[%emt 0:01:52]} 12. a5 {[%emt 0:00:40]} Qc7 {[%emt 0:06:28]} 13. Be3 {[%emt 0:01:55]} Nd7 {[%emt 0:00:23]} 14. Na4 {[%emt 0:02:08]} Bxa4 {[%emt 0:04:17]} 15. Rxa4 {[%emt 0:00:19]} b5 {[%emt 0:00:08] B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} 16. axb6 {[%emt 0:01:56]} Nxb6 {[%emt 0:00:34]} 17. Ra2 {[%emt 0:00:08] [#]} Rfd8 $146 {[%emt 0:03:51]} ({Predecessor:} 17... a5 18. Bd4 a4 19. Re3 Rfc8 20. Rc3 Qd8 21. Qd3 Nd7 22. Rc4 Ne5 23. Bxe5 Rxc4 24. Qxc4 dxe5 25. Rxa4 Rxa4 26. Qxa4 {½-½ (59) Kavalek,L (2600)-Tal,M (2705) Bugojno 1980}) 18. b3 {[%emt 0:04:35]} Bf6 {[%emt 0:04:11]} 19. Bd4 {[%emt 0:08:50]} Bxd4 {[%emt 0:06:14]} 20. Qxd4 {[%emt 0:00:02]} d5 {[%emt 0:07:25]} 21. Qa1 {[%emt 0:17:34]} dxe4 {[%emt 0:20:26]} 22. Bxe4 {[%emt 0:01:06]} Nd5 {[%emt 0:00:44]} 23. Rxa6 {[%emt 0:00:56]} Rxa6 {[%emt 0:02:49]} 24. Qxa6 {[%emt 0:00:17]} Nb4 {[%emt 0:01:05]} 25. Qe2 {[%emt 0:02:34]} f5 {[%emt 0:05:22]} ({Black should play} 25... Qc3) 26. Bd3 {[%emt 0:02:30]} Nxd3 {[%emt 0:02:18]} 27. Qxe6+ {[%emt 0:00:17]} ({Don't play} 27. cxd3 $6 Rd6 $14) 27... Qf7 {[%emt 0:00:03] [#]} 28. Qxf7+ {[%emt 0:00:24]} ({Don't do} 28. cxd3 $6 Qxe6 29. Rxe6 Rxd3 $16) ({White should play} 28. Qb6 $1 $18 {[%cal Rb6d8]} Nxe1 29. Qxd8+ Qf8 30. Qd1) 28... Kxf7 {[%emt 0:00:01]} 29. Rd1 {[%emt 0:00:14] Pin} Rc8 {[%emt 0:00:05]} 30. cxd3 {[%emt 0:00:19]} Rc3 {[%emt 0:00:08] [#]} 31. Rb1 $1 {[%emt 0:00:47]} Rxd3 {[%emt 0:05:01]} 32. b4 {[%emt 0:00:29]} Rd7 {[%emt 0:00:47]} 33. h4 {[%emt 0:00:44]} Kf6 {[%emt 0:01:01]} 34. Kf1 {[%emt 0:01:50]} h6 {[%emt 0:01:12]} 35. Ke2 {[%emt 0:02:25]} Ke5 {[%emt 0:02:11]} 36. f4+ {[%emt 0:01:56]} Ke6 {[%emt 0:01:24]} 37. Ke3 {[%emt 0:00:24]} Rd5 {[%emt 0:03:21]} (37... Re7 $16 {was worth a try.} 38. Kd3 Kd6) 38. Rb3 {[%emt 0:00:57]} Rd1 {[%emt 0:04:38]} 39. b5 {[%emt 0:00:50]} Rg1 {[%emt 0:03:50]} 40. Kd4 {[%emt 0:01:50]} Kd6 {[%emt 0:00:18]} 41. b6 $18 {[%emt 0:01:46] Kd5+ Ke4+} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Viana, Dirceu"]
[Black "Torres, Eduardo Lisboa"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2201"]
[BlackElo "1864"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,30,55,28,53,30,53,18,29,10,54,43,45,43,43,42,51,50,54,54,50,41,47,47,43,37,54,25,55,30,44,44,53,47,80,82,89,81,74,66,137,141,131,41,150,135,119,100,99,95,95,89,81,51,51,51,228,229,214,211,346,346,559,400,399,386,505,470,533,-774,-774]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. a3 a5 5. e3 h6 (5... d5 6. cxd5 Nxd5 7. Qc2 Nxc3 {½-½ (7) Bogosavljevic,B (2532)-Nestorovic,N (2506) Montenegro 2017}) 6. Qc2 $146 {A28: English Opening: Four Knights Variation} ({Predecessor:} 6. d4 exd4 7. exd4 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. Be3 Bd6 11. Be2 O-O 12. O-O Bd7 {0-1 (29) Bogatto,M (1528)-Bisignano,G (1928) Arvier 2007}) 6... Bc5 7. Be2 (7. Nxe5 $5 Nxe5 8. d4 $14 {[%mdl 64] Double Attack}) 7... O-O 8. O-O {White is slightly better.} (8. Nxe5 $5 Nxe5 9. d4 $14 {[%mdl 64] Double Attack}) 8... Re8 9. d3 b6 10. Rd1 Bb7 11. d4 exd4 12. exd4 Bf8 13. d5 Ne5 14. Nxe5 Rxe5 15. Bf4 Re8 16. Nb5 d6 17. Bd3 Nd7 18. b4 Be7 19. Re1 axb4 20. axb4 Rxa1 21. Rxa1 Bf6 22. Ra7 Re1+ 23. Bf1 Qb8 24. Bd2 Ra1 (24... Re7 $14) 25. Rxa1 $16 Bxa1 26. Be3 ({Better is} 26. Qa4 $16 Be5 27. Nxd6 $1 {[%mdl 512]} Bxd6 28. Qxd7) 26... c6 (26... Bf6 $14) 27. dxc6 Bxc6 28. Nd4 Bxd4 29. Bxd4 d5 30. b5 Bb7 31. Qf5 Qd6 $1 32. Qg4 $40 {[%csl Gd4][%cal Rg4g7][%mdl 128] White mounts an attack.} Ne5 $2 {[#]} (32... f6 $14) 33. Bxe5 $1 $18 {[%mdl 64] Overworked Piece} Qxe5 34. Qd7 {Black must now prevent c5.} dxc4 (34... Qb8 $142 35. cxd5 Qc8) 35. Qxb7 c3 $2 (35... Qxb5 {was worth a try.} 36. Qe4 Qb3 37. Bxc4 Qd1+ 38. Bf1 Qd6 39. Qe8+ Qf8) 36. Qc8+ Kh7 37. Qc4 f5 38. g3 Qe1 39. Kg2 $4 {[%mdl 8192]} (39. Qc8 $18) 39... Qe4+ {Accuracy: White = 44%, Black = 30%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Souza, Wellington"]
[Black "Fucs, Paulo Moses"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2120"]
[BlackElo "2016"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,83,30,34,27,29,24,82,51,101,89,91,102,115,89,77,0,0,0,154,166,214,181,177,177,187,181,191,81,145,127,120,120,153,133,154,155,261,258,259,256,250,244,272,268,347,330,777,747,29988,708,634,633,29979,29980,29980,5002,29981,29982,29982,29983,29991,29977,29977,29978,29978,29979,29978,29979,29978,29978,29978,29966]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 d5 6. O-O Nbd7 7. cxd5 exd5 8. Nc3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} Be7 9. Bf4 (9. Ne5 c6 10. Qa4 b5 11. Qc2 Nxe5 12. dxe5 Ng4 13. Qf5 Bc8 14. Qf4 g5 15. Qd4 Qb6 {1-0 (36) Berkes,F (2678)-Morris,J (2494) Batumi 2018}) 9... a6 (9... O-O $11 {keeps the balance.}) 10. Rc1 {White is better.} Rc8 11. Ne5 O-O 12. Bh3 c5 13. e3 c4 14. Nxd7 $146 ({White should try} 14. Bh6 $16) ({Predecessor:} 14. Bg5 Bc6 15. Bxf6 Bxf6 16. Nxd7 Bxd7 17. Bxd7 Qxd7 {½-½ (17) Ceron,E (1987)-Herrera,J (2006) Cali 2008}) 14... Nxd7 $11 15. Qf3 Bc6 $2 (15... Kh8 $11) 16. Nxd5 $16 b5 17. Nxe7+ Qxe7 18. d5 Ba8 19. e4 Rcd8 20. Bxd7 (20. Rfe1 $18) 20... Qxd7 (20... Rxd7 $142 21. Qe3 Re8) 21. Qc3 f5 22. f3 Rfe8 23. Qd4 $36 {[%mdl 2048] White is in control.} h6 24. b3 g5 (24... Qe7 $16) 25. Bd2 $18 (25. bxc4 gxf4 26. cxb5 axb5 $15) 25... Qg7 26. Qb6 Rb8 27. Qxa6 Qd4+ {[#]} 28. Rf2 $1 fxe4 29. fxe4 ({Weaker is} 29. Qxh6 e3 $16) 29... Qxe4 $2 (29... Qb6 30. Qxb6 Rxb6 31. bxc4 bxc4 32. Rxc4 Bb7) 30. Re1 Qh7 31. Rf6 (31. Re6 $142 Qg7 32. Rg6 Re7 33. Bc3 {[%mdl 64] Pin} Bxd5 34. Bxg7 Rxg7 35. Qf6 Rxg6 36. Qxg6+ {[%mdl 64] Double Attack} Kh8 37. Rf6) 31... Rxe1+ 32. Bxe1 {White wants to mate with Qe6+.} Bxd5 33. Rg6+ Kf7 34. Qf6+ ({Not} 34. Rxh6 Qf5 $14) 34... Ke8 35. Bb4 {White mates.} Qa7+ 36. Kf1 Bf7 37. Rg8+ {[%mdl 64] [#] Decoy} Bxg8 38. Qf8+ {[%mdl 64] Double Attack} Kd7 39. Qe7+ Kc6 40. Qxa7 Rb7 41. Qc5+ Kd7 42. Qd6+ {Accuracy: White = 58%, Black = 28%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Santos Filho, Tadeu Sousa"]
[Black "Larrea, Manuel"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2078"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,65,19,26,25,7,25,26,28,42,9,10,-7,-14,-7,9,-42,-34,-46,0,-11,0,-60,-16,-1,0,0,0,0,0,0,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,212,0,143,146,156,146,157,121,219,211,328,322,861,822]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bf5 (5... Nf6 6. Be2 cxd4 7. cxd4 e6 8. O-O Be7 9. Nc3 Qd6 10. Nb5 Qd8 11. Bf4 Nd5 12. Bg3 O-O 13. Bc4 a6 14. Nc3 Nxc3 15. bxc3 b5 16. Bd3 Bb7 17. a4 b4 18. Rb1 Bf6 19. Be4 a5 20. cxb4 axb4 21. Bxc6 {½-½ (21) Zvjaginsev,V (2660)-Moiseenko,A (2692) Berlin 2015}) 6. dxc5 {B22: Sicilian: 2 c3} Qxd1+ 7. Kxd1 O-O-O+ 8. Ke1 {White has an edge.} e5 9. Be3 Nf6 10. Bc4 Nd5 11. b4 f6 12. Bd2 $146 ({Better is} 12. Ke2 $11) ({Predecessor:} 12. Ke2 Nce7 13. Rc1 {1-0 (47) Eggink,R (2333)-Janik,I (2413) Krakow 2017}) 12... g5 $15 {[%mdl 1024] Black has compensation.} 13. Ke2 Bg4 {[%cal Bf5g4,Bg4h5,Bh5g6][%mdl 32] ...e4 is the strong threat.} 14. h3 Bh5 15. g4 (15. Bd3 $11) 15... Bg6 (15... Bf7 $5 {[%cal Rd5f4]} 16. Na3 a5 $15) 16. h4 $132 {[%mdl 2048] White has counterplay} e4 17. Nd4 Ndxb4 18. Be6+ Kb8 19. Nxc6+ Nxc6 20. hxg5 Bxc5 {Strongly threatening ...e3!} 21. gxf6 e3 22. Bxe3 Bd3+ 23. Kf3 $1 Bxe3 24. fxe3 Rhe8 25. Bf5 Bxf5 26. gxf5 Rd3 $2 {[#]} (26... Ne5+ $1 $11 {and Black has nothing to worry.} 27. Kf4 Nd3+ 28. Kf3 Ne5+ 29. Kf4 Nd3+ 30. Kf3 Ne5+) 27. Re1 $2 ({Not} 27. Rxh7 Rdxe3+ 28. Kg2 Re2+ 29. Kg1 Re1+ 30. Kf2 R8e2+ 31. Kg3 Rg1+ 32. Kf3 Rgg2 $15) (27. Kf4 $1 $18) 27... Rf8 (27... Ne5+ $11 28. Kf4 Rd6) 28. Ke4 $16 Rdd8 29. Na3 Rxf6 30. Nb5 Re8+ (30... Ne7 $16 {was worth a try.}) 31. Kf4 $18 Re5 (31... Ne7 $142 32. e4 Ng6+ 33. Kg3 (33. Kg5 Rb6 $16) 33... Ne5) 32. Nd4 {[%mdl 64] [#] Overworked Piece} Nxd4 $2 (32... Ra5 33. e4 Ne7) 33. Kxe5 {[%mdl 64] Double Attack. Accuracy: White = 63%, Black = 48%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Campos, Alexandre Ferreira"]
[Black "Lebredo Zaragoitia, Gerardo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2076"]
[BlackElo "2139"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,148,-21,-45,0,-15,35,33,66,62,89,52,91,79,168,171,188,37,133,102,177,181,227,186,246,170,156,165,156,160,156,149,144,148,155,129,145,80,368,140,151,153,148,110,110,110,125,72,72,72,72,72,72,72,201,179,239,72,72,72,72,72,72,72,72,72,72,72,72,72,72,72,734,72,156,70,163,163,618,618,618,617,595,595,589,577,544,521,503,477,401,329,242,91,148,137,149,49,57,7,22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. g3 c5 2. f4 Nc6 3. e4 e6 4. Nc3 d5 5. d3 Nf6 6. Bg2 Be7 7. Nh3 {LiveBook: 4 Games} b6 {B24: Closed Sicilian: 3 g3 sidelines} (7... d4 8. Nb1 e5 9. O-O h5 10. f5 Ng4 11. Na3 Rg8 12. Bf3 Nf6 13. Bg5 h4 {½-½ (13) Starostits,I (2460)-Savchenko,S (2521) Niort 2004}) 8. O-O Bb7 9. f5 $146 ({Predecessor:} 9. Nf2 O-O 10. g4 d4 11. Ne2 Qc7 12. Ng3 Rac8 13. g5 Nd7 14. f5 exf5 15. exf5 {0-1 (29) Burakovsky,M (2042)-Novak,D Eger 2005}) 9... d4 {White is slightly better.} 10. fxe6 $1 {Hoping for Ng5.} dxc3 11. exf7+ Kf8 12. bxc3 Bc8 (12... Qd7 $16 {is a better defense.}) 13. Nf4 $1 $18 {[%mdl 1024] Black must now prevent e5! White has strong compensation.} Rb8 (13... Kxf7 $2 14. e5 $1 $18 {[%mdl 512]}) (13... Bg4 $2 14. Qxg4 $1 {[%mdl 512]} Nd4 15. Qh3 $18) 14. Be3 $2 (14. Bb2 $1 $18) 14... Ne5 ({Much worse is} 14... Kxf7 $6 15. d4 $18) (14... Bg4 $2 15. Qxg4 $1 {[%mdl 512]} Qd6 16. Ne6+ Kxf7 17. Qxg7+ Ke8 18. Rxf6 $18) (14... Ng4 $14 15. Bc1 Nge5) 15. d4 $1 $16 {[%cal Rd4e5]} Nc4 (15... Nfg4 $16 {was worth a try.} 16. Bc1 (16. dxe5 $2 Qxd1 17. Rfxd1 Nxe3 $17) 16... Nxf7) 16. Bc1 $18 cxd4 ({Wrong is} 16... Kxf7 $2 17. Qd3 $18) 17. cxd4 {Qd3 is the strong threat.} Kxf7 (17... g5 {might work better.} 18. c3 b5) 18. e5 Nxe5 19. dxe5 Bc5+ 20. Kh1 Qxd1 21. Rxd1 Ng4 22. Bd5+ Ke7 23. Nd3 h6 24. Re1 (24. c4 $142) 24... Ba6 $2 {[%mdl 8192]} (24... Rd8 $16 25. Nxc5 bxc5) 25. c4 $2 (25. Nxc5 $18 {is the precise move to win.} bxc5 26. Kg1) 25... Nf2+ $16 26. Nxf2 Bxf2 27. Rf1 Rhf8 28. Bb2 {And now e6 would win.} Rbc8 29. Ba3+ (29. Rac1 $142) 29... Bc5 30. Rxf8 $1 {[%mdl 64] Overworked Piece} Rxf8 31. Bxc5+ bxc5 {[%mdl 4096] Endgame KRB-KRB} 32. Kg2 Bc8 (32... Rf5 $16) 33. Rb1 $18 Ba6 (33... Kd7 $142 34. Rb8 Re8) 34. Rf1 $2 (34. Rb3 $18 {and White stays clearly on top.}) 34... Rxf1 $16 35. Kxf1 {KB-KB} Bc8 36. Ke2 Bd7 37. Ke3 Be8 38. h4 Bd7 39. Kf4 Bc8 40. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} Bd7 41. g5 Bc8 $2 {[%mdl 8192] [#]} (41... Bh3 $16) 42. Bg8 $2 (42. e6 $1 $18 Ke8 43. Kf5) 42... Bd7 {[#]} (42... Bh3 $142) 43. Ke4 ({Better is} 43. e6 $1 $16 {[%cal Re6d7]} Bc6 44. gxh6 gxh6 45. Ke5) 43... Bc6+ ({Black should play} 43... hxg5 $14 44. hxg5 Kf8) 44. Kf5 $18 {Threatens to win with gxh6.} Be8 $2 (44... hxg5 45. Kxg5 Be4) 45. gxh6 gxh6 46. e6 Bh5 {With the idea ...Be2.} 47. Ke5 Bf3 48. Bh7 Bg2 49. Bc2 Bh3 50. Bf5 Bg2 51. Bg4 Bc6 52. a3 $2 (52. Bd1 $18) 52... a5 (52... Bh1 $142 53. h5 Bg2) 53. Bd1 Bg2 54. Ba4 (54. Bc2 $16) 54... Bf3 $14 55. Bd7 Bg2 {The position is equal.} 56. Kf5 {aiming for Kg6.} Bf1 57. Bb5 {Threatening Ke5.} Bh3+ 58. Kg6 Bxe6 59. Kxh6 {Strongly threatening Kg5.} Kf6 60. Kh5 Kf5 61. Ba6 Kf6 62. Kh6 Bf7 63. Bb5 Be6 64. h5 Bf7 65. Ba6 Be6 66. Kh7 Kf7 67. h6 Bf5+ 68. Kh8 Kf8 69. Bb7 Bd3 70. Bd5 Bf5 71. Bg8 Bd3 72. Be6 Bg6 73. Bd5 Bf5 74. Bg8 Bd3 {Accuracy: White = 42%, Black = 47%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Dos Santos, Vitor Eduardo Mello"]
[Black "Rocha, Vitor Firmo De Souz"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2054"]
[BlackElo "2174"]
[Annotator "ChessBase"]
[PlyCount "103"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:35]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:07]} d5 {[%emt 0:00:00]} 3. e5 {[%emt 0:00:08]} Bf5 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:07]} e6 {[%emt 0:00:00]} 5. Be2 {[%emt 0:00:55]} Nd7 {[%emt 0:00:04]} 6. O-O {[%emt 0:00:11]} Ne7 {[%emt 0:00:09]} 7. b3 {[%emt 0:00:48]} h6 {[%emt 0:01:10]} 8. c4 {[%emt 0:00:06]} Bh7 {[%emt 0:00:15]} 9. Nc3 {[%emt 0:02:31]} Ng6 {[%emt 0:01:24]} 10. a3 {[%emt 0:02:32]} Be7 {[%emt 0:00:18]} 11. Re1 {[%emt 0:01:19]} O-O {[%emt 0:00:24]} 12. Bd3 {[%emt 0:00:48]} Rc8 {[%emt 0:02:14]} 13. c5 {[%emt 0:15:14]} Re8 {[%emt 0:03:18]} 14. Qc2 {[%emt 0:25:01]} b5 {[%emt 0:01:58]} 15. b4 {[%emt 0:00:50]} a5 {[%emt 0:00:33]} 16. Kh1 {[%emt 0:05:02]} a4 {[%emt 0:02:57]} 17. Ng1 {[%emt 0:03:04]} Ngf8 {[%emt 0:04:06]} 18. f4 {[%emt 0:01:44]} f5 {[%emt 0:05:50]} 19. Nf3 {[%emt 0:15:14]} g5 {[%emt 0:02:14]} 20. fxg5 {[%emt 0:00:50]} hxg5 {[%emt 0:00:06]} 21. g4 {[%emt 0:04:15]} fxg4 {[%emt 0:02:40]} 22. Nd2 {[%emt 0:00:33]} Bxd3 {[%emt 0:02:07]} 23. Qxd3 {[%emt 0:00:01]} Kg7 {[%emt 0:00:18]} 24. Rg1 {[%emt 0:00:49]} Ng6 {[%emt 0:00:16]} 25. Rxg4 {[%emt 0:00:57]} Rf8 {[%emt 0:03:37]} 26. Qg3 {[%emt 0:03:22]} Rf5 {[%emt 0:01:28]} 27. Nf3 {[%emt 0:00:23]} Qf8 {[%emt 0:10:42]} 28. Bxg5 {[%emt 0:07:12]} Rxf3 {[%emt 0:18:51]} 29. Bxe7 {[%emt 0:00:11]} Qf5 {[%emt 0:02:10]} 30. Rxg6+ {[%emt 0:01:29]} Kh7 {[%emt 0:01:12]} 31. Rg5 {[%emt 0:05:32]} Rxg3 {[%emt 0:03:32]} 32. Rxf5 {[%emt 0:00:01]} Rxc3 {[%emt 0:00:31]} 33. Rf4 {[%emt 0:00:02]} Rh3 {[%emt 0:01:33]} 34. Kg2 {[%emt 0:03:20]} Rh5 {[%emt 0:01:07]} 35. h4 {[%emt 0:00:37]} Rf5 {[%emt 0:03:44]} 36. Raf1 {[%emt 0:00:05]} Rg8+ {[%emt 0:01:49]} 37. Kh3 {[%emt 0:00:02]} Rxf4 {[%emt 0:00:40]} 38. Rxf4 {[%emt 0:00:03]} Rg1 {[%emt 0:02:00]} 39. Bd6 {[%emt 0:01:02]} Rg7 {[%emt 0:01:54]} 40. h5 {[%emt 0:01:57]} Kh6 {[%emt 0:00:13]} 41. Rg4 {[%emt 0:00:58]} Rf7 {[%emt 0:07:12]} 42. Kh4 {[%emt 0:00:03]} Kh7 {[%emt 0:07:28]} 43. Rg6 {[%emt 0:00:04]} Rf1 {[%emt 0:05:44]} 44. Rxe6 {[%emt 0:00:33]} Rh1+ {[%emt 0:00:03]} 45. Kg5 {[%emt 0:00:33]} Rg1+ {[%emt 0:00:03]} 46. Kf4 {[%emt 0:00:28]} Rf1+ {[%emt 0:00:13]} 47. Ke3 {[%emt 0:00:41]} Ra1 {[%emt 0:00:30]} 48. Re7+ {[%emt 0:00:11]} Kh6 {[%emt 0:00:03]} 49. Rxd7 {[%emt 0:00:17]} Rxa3+ {[%emt 0:00:05]} 50. Kf4 {[%emt 0:00:45]} Rd3 {[%emt 0:00:10]} 51. e6 {[%emt 0:00:42]} a3 {[%emt 0:01:32]} 52. Be5 {[%emt 0:00:51]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Manzi, Luiz Antonio Bardar"]
[Black "Barreto, Ignacio C. De Barro"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2047"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,-31,-5,-35,-27,-32,-25,-30,-19,-34,-21,-26,-13,-134,-139,-135,-134,-265,-170,-189,-147,-343,-350,-346,-334,-337,-322,-412,-386,-341,-208,-500,-504,-484,-470,-470,-479,-494,-480,-577,-559,-538,-515,-600,-596,-845,-335,-330,-330,-29975,-29975,-29968,-29964]} 1. Nf3 d6 2. b3 e5 3. e4 (3. Bb2 f5 4. c4 Nf6 5. e3 g6 6. Be2 Bg7 7. O-O O-O 8. Nc3 Nc6 9. d4 e4 10. Ne1 Ne7 {0-1 (21) So,W (2815)-Carlsen,M (2832) chess.com INT 2017}) 3... f5 4. d3 Nf6 5. Nbd2 c5 6. Bb2 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} Nc6 7. g3 g6 8. Bg2 {Black has an edge.} Bh6 $146 ({Predecessor:} 8... Bg7 9. a3 O-O 10. O-O Kh8 11. c3 Be6 {0-1 (37) Md Shafiqul,I (1989)-Rahman,Z (2495) Dhaka 2015}) 9. O-O f4 10. c3 g5 11. h3 (11. Re1 $11) 11... g4 $17 12. hxg4 Bxg4 13. Qc2 (13. Nc4 $17) 13... Nh5 14. Nh2 Be2 15. Bf3 $2 (15. g4 $17 Bxf1 16. Bxf1) 15... Bxf3 $19 ({But not} 15... fxg3 16. Bxh5+ Bxh5 17. fxg3 $19) 16. Ndxf3 fxg3 17. fxg3 {next Ng4 is good for White.} Nxg3 18. Rfe1 Rg8 19. Kf2 {intending Rg1.} Qf6 20. Bc1 $2 (20. Rg1 Ke7 21. Rxg3 Be3+ 22. Kxe3 Rxg3 23. Rf1) 20... O-O-O {[#] ...Rdf8 is the strong threat.} 21. Rg1 Bf4 22. Bxf4 exf4 (22... Qxf4 $2 23. Qd2 $19) 23. Rae1 Kb8 24. Nf1 Nxf1 25. Rexf1 Ne5 26. Rxg8 Rxg8 27. Rg1 Rg3 $2 (27... Rxg1 28. Kxg1 Nxf3+ 29. Kf1 Qh4) 28. Nxe5 dxe5 ({Not} 28... Qxe5 29. Rxg3 fxg3+ 30. Kg2 $17) 29. Rh1 $2 {[#]} (29. Qe2 $19 Qh4 30. Rxg3 Qxg3+ 31. Kf1) 29... Qg6 30. Kf1 Qg4 {Accuracy: White = 27%, Black = 75%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Brito, Vicente De Paulo Al"]
[Black "Chaves, Jorge Antonio Torre"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2044"]
[BlackElo "1922"]
[Annotator "NA RC"]
[PlyCount "61"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 c5 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:31]} cxd4 {[%emt 0:00:00]} 3. c3 {[%emt 0:00:00]} dxc3 {[%emt 0:00:10]} 4. Nxc3 {[%emt 0:00:00]} d6 {[%emt 0:00:54]} 5. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:32]} 6. Bc4 {[%emt 0:00:00]} e6 {[%emt 0:00:55]} 7. O-O {[%emt 0:00:00]} a6 {[%emt 0:01:17]} 8. Qe2 {[%emt 0:00:15]} Be7 {[%emt 0:00:46]} 9. Rd1 {[%emt 0:00:54]} Qc7 {[%emt 0:01:21]} 10. Bf4 {[%emt 0:02:32]} Ne5 {[%emt 0:02:55]} 11. Bb3 {[%emt 0:06:16] B21: Sicilian: 2 f4 and Morra Gambit} Nf6 {[%emt 0:01:05]} 12. Rac1 {[%emt 0:00:33]} Qb8 {[%emt 0:02:34]} 13. a4 {[%emt 0:22:07]} (13. Nd4 Bd7 14. Bg3 O-O 15. f4 Nc6 16. Kh1 Nxd4 17. Rxd4 Bc6 18. e5 dxe5 19. fxe5 {0-1 (57) Rowe,D (2147)-Nurmamedov,A (2349) Batumi 2018}) 13... b6 {[%emt 0:05:36]} 14. Nd4 {[%emt 0:17:13]} Bd7 {[%emt 0:00:14]} 15. h3 $146 {[%emt 0:03:16]} ({Predecessor:} 15. Bg3 O-O 16. f4 Nc6 17. Nf3 Nh5 18. e5 Nxg3 19. hxg3 {1-0 (31) Silva Nazzari,R-Rovira Mas,J Lugano 1968}) 15... O-O {[%emt 0:02:44]} 16. Be3 {[%emt 0:05:31]} Rd8 {[%emt 0:09:08]} 17. g4 {[%emt 0:07:56]} Qb7 {[%emt 0:05:13]} 18. f4 {[%emt 0:04:47]} Nc6 {[%emt 0:00:16]} 19. g5 {[%emt 0:00:46]} Nxd4 {[%emt 0:01:44]} 20. Bxd4 {[%emt 0:00:16]} Ne8 {[%emt 0:02:59]} 21. h4 {[%emt 0:05:31]} Bc6 {[%emt 0:03:09]} 22. h5 {[%emt 0:01:50]} Bf8 {[%emt 0:10:07] [#]} (22... b5 $11 {remains equal.}) 23. g6 $1 {[%emt 0:01:19]} h6 {[%emt 0:02:56]} 24. f5 fxg6 {[%emt 0:07:23]} 25. Bxe6+ {[%emt 0:02:45]} Kh8 {[%emt 0:00:14]} 26. Nd5 {[%emt 0:01:43]} ({Don't play} 26. fxg6 Nf6 $18) 26... g5 {[%emt 0:02:01]} 27. Rf1 {[%emt 0:04:22]} ({Don't take} 27. Nxb6 $6 Rab8 $16) 27... Bxd5 {[%emt 0:04:25]} 28. Bxd5 {[%emt 0:00:02]} ({Stronger than} 28. exd5 Be7 $11) 28... Qe7 {[%emt 0:01:15]} 29. Bxa8 {[%emt 0:03:45]} Rxa8 {[%emt 0:00:06]} 30. Bxb6 {[%emt 0:01:06]} Qe5 {[%emt 0:00:54]} 31. Qd3 $16 {[%emt 0:04:07]} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Torella, Rodolfo"]
[Black "Kruger, Israel"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2036"]
[BlackElo "1877"]
[Annotator "NA RC"]
[PlyCount "1"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:05:52]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Rodrigues, Nei Jorge"]
[Black "Reis, Virginia Lagrange M"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1978"]
[BlackElo "1750"]
[Annotator "NA RC"]
[PlyCount "62"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:59]} c5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:06]} Nc6 {[%emt 0:00:07]} 3. g3 {[%emt 0:00:15]} g6 {[%emt 0:00:17]} 4. Bg2 {[%emt 0:00:09]} Bg7 {[%emt 0:00:18]} 5. O-O {[%emt 0:00:07]} Nf6 {[%emt 0:00:33]} 6. Nc3 {[%emt 0:00:09]} O-O {[%emt 0:00:21]} 7. d3 {[%emt 0:00:20]} d6 {[%emt 0:00:21]} 8. a3 {[%emt 0:00:59]} Bd7 {[%emt 0:02:04]} 9. Rb1 {[%emt 0:00:45]} a5 {[%emt 0:04:07]} 10. Bd2 {[%emt 0:05:09]} Rb8 {[%emt 0:00:53]} 11. Ne1 {[%emt 0:03:35] A38: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6} b6 {[%emt 0:04:04]} (11... Ne8 12. Nc2 Nc7 13. b4 axb4 14. axb4 Nxb4 15. Nxb4 cxb4 16. Rxb4 b5 17. cxb5 Nxb5 18. Nxb5 Rxb5 19. Rxb5 Bxb5 20. Qb3 Bd7 21. Qb7 Bg4 22. Bg5 Qb8 23. Bxe7 Qxb7 24. Bxb7 Re8 25. Bxd6 Bxe2 26. Re1 Re6 27. Bc5 Bxd3 28. Rxe6 fxe6 29. Kg2 Bc4 30. Kf3 Kf7 {½-½ (30) Sadorra,J (2577)-Ramirez,A (2597) Dallas 2013}) 12. Nc2 {[%emt 0:01:25]} Qc8 $146 {[%emt 0:02:21]} ({Predecessor:} 12... Nd4 13. b4 axb4 14. axb4 Bc6 15. Nxd4 Bxg2 16. Kxg2 cxd4 17. Nb5 e5 18. e3 dxe3 19. Bxe3 {1-0 (40) Micheli,C (2268)-Wittmann,W (2286) Rogaska Slatina 2012}) 13. Re1 {[%emt 0:00:33]} Re8 {[%emt 0:02:48]} 14. b4 {[%emt 0:00:28]} axb4 {[%emt 0:12:52]} 15. axb4 {[%emt 0:00:51]} Bg4 {[%emt 0:06:58]} 16. Qc1 {[%emt 0:05:21]} Ne5 {[%emt 0:03:59]} 17. Bf4 {[%emt 0:12:22]} Nh5 {[%emt 0:03:08]} 18. Bh6 {[%emt 0:05:24]} Nxd3 {[%emt 0:01:53]} 19. exd3 {[%emt 0:01:05]} Bxc3 {[%emt 0:00:35]} 20. Ne3 {[%emt 0:00:16]} Bxe1 {[%emt 0:03:43]} 21. Nxg4 {[%emt 0:00:30]} Bxb4 {[%emt 0:03:06]} 22. h3 {[%emt 0:14:29]} b5 {[%emt 0:12:11]} 23. Qb2 $2 {[%emt 0:15:54]} (23. cxb5 Rxb5 24. Ra1) 23... bxc4 {[%emt 0:02:37]} 24. Qa2 {[%emt 0:07:34]} cxd3 {[%emt 0:07:16]} 25. Qc4 {[%emt 0:00:55]} d2 {[%emt 0:04:12]} 26. Be3 {[%emt 0:05:35]} e6 {[%emt 0:09:12]} 27. Bf3 {[%emt 0:03:21]} d5 {[%emt 0:03:54]} 28. Nh6+ {[%emt 0:00:25]} Kg7 {[%emt 0:03:10]} 29. Qh4 {[%emt 0:04:04]} Qd8 {[%emt 0:03:46]} 30. Bg5 {[%emt 0:05:59]} f6 {[%emt 0:00:01]} 31. Be3 {[%emt 0:01:28]} d4 $19 {[%emt 0:00:28]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Chang, Suzana"]
[Black "Maia, Jose Eduardo Bastos"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "1968"]
[BlackElo "2093"]
[Annotator "NA RC"]
[PlyCount "60"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:14]} d5 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:10]} Nf6 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:12]} Be7 {[%emt 0:00:15]} 5. O-O {[%emt 0:00:08]} O-O {[%emt 0:00:07]} 6. d4 {[%emt 0:00:16]} c6 {[%emt 0:00:17]} 7. Qc2 {[%emt 0:00:57]} b6 {[%emt 0:00:27]} 8. Nbd2 {[%emt 0:00:22]} Bb7 {[%emt 0:00:34]} 9. e4 {[%emt 0:00:31]} Na6 {[%emt 0:01:04]} 10. e5 {[%emt 0:08:03]} Nd7 {[%emt 0:00:50]} 11. a3 {[%emt 0:03:44] E06: Closed Catalan: Early deviations} c5 {[%emt 0:09:47]} 12. dxc5 {[%emt 0:01:12]} bxc5 {[%emt 0:05:32]} 13. Re1 {[%emt 0:06:32]} Nc7 {[%emt 0:07:16] [#]} 14. Rb1 $146 {[%emt 0:18:21]} ({Predecessor:} 14. Nb3 Rb8 15. Na5 Ba8 16. Bd2 Nb6 17. b3 Qd7 18. Red1 f6 {½-½ (35) Dziuba,M (2558)-Buhmann,R (2612) Germany 2016}) 14... a5 {[%emt 0:03:18]} 15. b3 {[%emt 0:00:51]} Nb6 {[%emt 0:12:22]} 16. h4 {[%emt 0:10:20]} h6 {[%emt 0:00:26]} 17. Bf1 {[%emt 0:06:58]} Qd7 {[%emt 0:12:30]} 18. Be2 {[%emt 0:03:58]} Rfc8 {[%emt 0:00:51]} 19. Nf1 {[%emt 0:02:11]} Rcb8 {[%emt 0:07:16]} 20. N1h2 {[%emt 0:13:40]} a4 {[%emt 0:01:06]} 21. Ng4 {[%emt 0:05:03]} (21. Bxh6 $1 $11 gxh6 22. Qc1) 21... axb3 {[%emt 0:00:51]} (21... h5 $17 22. Ne3 d4 23. bxa4 Bc6) 22. Rxb3 {[%emt 0:00:49]} Nxc4 {[%emt 0:01:22] [#]} 23. Qb1 $2 {[%emt 0:00:22]} (23. Bxh6 $1 $14 {[%mdl 512] was forced to keep a grip.} gxh6 24. Qc1) 23... Na6 $2 {[%emt 0:16:04] [#]} (23... Na5 $19 24. Rb6 d4) 24. Bxh6 $1 {[%emt 0:06:39]} gxh6 {[%emt 0:05:28]} 25. Nxh6+ {[%emt 0:02:59]} Kg7 {[%emt 0:00:58]} 26. Nxf7 {[%emt 0:02:21]} Bc6 $2 {[%emt 0:07:40]} ({Don't go for} 26... Kxf7 $2 27. Ng5+ Ke8 28. Qg6+ Kd8 29. Nxe6+ Kc8 30. Bg4 $18) (26... Nxa3 $16 27. Rxa3 Bc8) 27. N3g5 {[%emt 0:01:10]} Bxg5 {[%emt 0:01:17]} 28. Nxg5 {[%emt 0:00:02]} Rh8 {[%emt 0:00:43]} 29. Rf3 $2 {[%emt 0:03:12]} (29. Rd1 $18) 29... Nxe5 $2 {[%emt 0:01:20]} (29... Nd2 $17 30. Nxe6+ Qxe6) 30. Re3 {[%emt 0:01:16]} Nc4 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.18"]
[Round "6"]
[White "Ramos, Angelo Bil"]
[Black "Peixoto, Rudson Marinho"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1952"]
[BlackElo "2007"]
[Annotator "NA RC"]
[PlyCount "78"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:02:02]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:10]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:02]} 5. Nc3 {[%emt 0:00:10]} a6 {[%emt 0:00:06]} 6. h3 {[%emt 0:02:03]} Qc7 {[%emt 0:00:16]} 7. g4 {[%emt 0:00:40]} b5 {[%emt 0:01:20]} 8. Bg2 {[%emt 0:00:35]} Bb7 {[%emt 0:00:10]} 9. O-O {[%emt 0:04:03]} e6 {[%emt 0:00:04]} 10. a3 {[%emt 0:01:59]} Nc6 {[%emt 0:00:29]} 11. Re1 {[%emt 0:01:43]} Be7 {[%emt 0:00:14]} 12. Nde2 {[%emt 0:10:59]} h5 {[%emt 0:01:46]} 13. g5 {[%emt 0:01:13]} Nd7 {[%emt 0:00:12]} 14. h4 {[%emt 0:00:12]} Nce5 {[%emt 0:01:05]} 15. Ng3 {[%emt 0:02:01]} O-O-O {[%emt 0:01:35]} 16. Qe2 {[%emt 0:01:16]} Ng6 {[%emt 0:00:26]} 17. Bf3 {[%emt 0:05:35]} Nxh4 {[%emt 0:00:16]} 18. Bxh5 {[%emt 0:00:27]} g6 {[%emt 0:00:16]} 19. Qg4 {[%emt 0:05:15]} gxh5 {[%emt 0:02:10]} 20. Qxh4 Ne5 21. Kg2 {[%emt 0:05:05]} Ng6 {[%emt 0:01:22]} 22. Qh3 {[%emt 0:01:12]} Kb8 {[%emt 0:00:46]} 23. f3 {[%emt 0:04:08]} d5 {[%emt 0:00:36]} 24. exd5 {[%emt 0:00:27]} exd5 {[%emt 0:00:10]} 25. Nf5 {[%emt 0:00:31]} d4 {[%emt 0:00:56]} 26. Nxe7 {[%emt 0:02:04]} Nxe7 {[%emt 0:01:23]} 27. Qh2 {[%emt 0:02:58]} Bxf3+ {[%emt 0:00:29]} 28. Kxf3 {[%emt 0:03:10]} Qxh2 {[%emt 0:00:12]} 29. Bf4+ {[%emt 0:00:09]} Qxf4+ {[%emt 0:00:16]} 30. Kxf4 {[%emt 0:00:20]} Ng6+ {[%emt 0:00:04]} 31. Kf5 {[%emt 0:00:17]} dxc3 {[%emt 0:00:07]} 32. bxc3 {[%emt 0:00:17]} Rd6 {[%emt 0:01:07]} 33. Rab1 {[%emt 0:00:43]} Rc8 {[%emt 0:00:46]} 34. a4 {[%emt 0:00:25]} Rc5+ {[%emt 0:00:09]} 35. Ke4 {[%emt 0:01:19]} Kc7 {[%emt 0:00:42]} 36. axb5 {[%emt 0:00:14]} axb5 {[%emt 0:00:15]} 37. Rf1 {[%emt 0:01:12]} Re5+ {[%emt 0:00:43]} 38. Kf3 {[%emt 0:00:10]} Rxg5 {[%emt 0:00:34]} 39. Rh1 {[%emt 0:01:11]} Rc6 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Lima, Darcy"]
[Black "Perdomo, Leandro"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2550"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,82,16,0,16,17,6,11,37,-14,14,0,0,0,0,0,0,0,27,-11,-18,-20,-4,-11,48,57,102,-25,-33,-38,35,31,43,0,0,-8,-8,-22,-27,-49,-38,-40,33,35,296,251,215,247,243,211,306,258,225,127,121,146,113,0,0,-44,-40,-79,-79,-551,-525,-638,-614]} 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Ne2 O-O 6. h3 e5 7. Nbc3 exd4 8. Nxd4 Re8 9. O-O Na6 {B06: Modern Defence} (9... Nc6 10. Be3 Bd7 11. Re1 Qc8 12. Kh2 Re5 13. g4 h5 14. g5 Nh7 15. f4 Re8 16. h4 Nxd4 17. Bxd4 Bxd4 18. Qxd4 Bc6 19. Rad1 {1-0 (96) Puranik,A (2514)-Sjugirov,S (2677) Abu Dhabi 2018}) 10. Nb3 {LiveBook: 3 Games} Nb4 11. Re1 $146 ({Predecessor:} 11. Bg5 h6 12. Be3 a5 13. Qd2 a4 14. Nd4 a3 15. bxa3 Rxa3 16. Ndb5 Ra5 17. a3 {0-1 (41) Tischbierek,R (2523)-Golubev,M (2528) Germany 2003}) 11... a5 {The position is equal.} 12. Nd4 {[%cal Bb3d4,Bd4e2,Be2f4][%mdl 32]} Bd7 13. a4 (13. Be3 $14) 13... Qc8 14. Kh2 Re5 15. Nde2 c6 {[%cal Bc7c6,Bc6d5,Bd5e4][%mdl 32]} 16. Bd2 d5 17. exd5 $1 cxd5 18. Rc1 Ne4 19. Nxe4 dxe4 20. Nf4 Bxa4 ({Black should try} 20... Bc6 $11) 21. Bc3 $14 f5 22. Bxe5 (22. f3 $1 $16) 22... Bxe5 $11 23. b3 Bxf4 (23... Bc6 $15) 24. gxf4 $14 Bc6 25. Qd2 Qc7 26. Red1 Nd5 27. Bf1 Nxf4 28. Kg1 Re8 29. Ra1 b6 (29... Kg7 $15) 30. Qc3 Re5 $2 {[%mdl 8192] [#]} (30... Re6 $14 31. Rd2 Qg7 32. Rd8+ Kf7 33. Qxg7+ Kxg7) 31. Rd8+ $1 {[%mdl 576] Deflection} Qxd8 32. Qxe5 Qg5+ 33. Kh2 {[%mdl 1024] White has strong compensation.} Bd5 (33... Qh4 $142 34. Qb8+ {[%mdl 64] Double Attack} Kg7 35. Qxb6 Nh5) 34. Rd1 Qh4 35. Rd2 (35. Kg1 $18) 35... Bf7 $16 36. Qb8+ Kg7 {[#]} 37. Qxb6 (37. Qd8 $1 $16 {[%cal Rd8h4]} Qxd8 38. Rxd8) 37... Ne6 $1 $36 {[%mdl 2048] Black fights for an advantage.} 38. Qd6 Ng5 $1 {[%cal Rg5f3]} 39. Bg2 {[#]} f4 $1 {[%cal Bf5f4,Bf4f3][%mdl 32] aiming for ...Be6.} 40. Qd4+ $2 {[%mdl 8192]} (40. Kg1 $17 {is tougher.}) 40... Kh6 $19 41. Kg1 f3 {Accuracy: White = 46%, Black = 48%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Rodriguez Vila, Andres"]
[Black "Chang, Suzana"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2482"]
[BlackElo "1968"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,29,-19,0,-28,6,-4,1,-1,0,0,20,18,20,-9,-16,-81,-88,-85,-70,-69]} 1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 Nf6 5. f4 d5 6. e5 Nd7 7. Nh3 {B24: Closed Sicilian: 3 g3 sidelines} (7. Nf3 Be7 8. O-O O-O 9. d3 Rb8 10. a4 a6 11. Ne2 b5 12. axb5 axb5 13. c3 Nb6 14. d4 b4 15. Kh1 Bd7 16. g4 bxc3 17. bxc3 Ra8 {0-1 (37) Neverov,V (2477)-Mareco,S (2664) Sharjah 2017}) 7... g6 8. O-O Be7 9. d3 $146 {The position is equal.} ({Predecessor:} 9. b3 h5 10. Ne2 Qc7 11. Bb2 b6 12. Nf2 Bb7 13. d4 O-O-O 14. Rc1 cxd4 15. Nxd4 Nxd4 16. Bxd4 {0-1 (72) Frick,C (2205)-Scholl,M Boeblingen 2001}) 9... b6 10. Nb5 Bb7 11. c4 d4 12. Ng5 {Strongly threatening Ne4.} a6 13. f5 (13. Nd6+ $11 {remains equal.} Bxd6 14. exd6) 13... Ndxe5 $17 14. f6 {[#]} Bf8 $1 ({Of course not} 14... Bxf6 {[#]} 15. Nd6+ $1 {[%mdl 512]} Qxd6 16. Ne4 $11) 15. Bf4 {[%mdl 32768] Loss on time!?} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Galego, Luis"]
[Black "Di Berardino, Diego Rafael"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2479"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,19,-40,-58]} 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 4. O-O Nc6 5. c4 e6 6. d3 Nge7 7. Nc3 O-O 8. Bd2 d5 9. Qc1 b6 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} 10. Bh6 {LiveBook: 31 Games} {Predecessor:} Bb7 $146 11. Bxg7 Kxg7 12. a3 Rc8 13. Qf4 Qc7 14. Qxc7 Rxc7 15. cxd5 Nxd5 16. Rfc1 Rfc8 17. Nb5 {1-0 (44) Yuffa,D (2521)-Sutovsky,E (2659) Batumi 2018} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Hoffman, Alejandro"]
[Black "Barreto, Ignacio C. De Barro"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2479"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,99,14,31,6,26,14,20,-4,0,-12,0,6,3,0,39,34,44,-21,7,2,2,8,100,12,58,-6,0,0,35,49,36,37,135,133,178,0,85,13,33,0,18,16,259,91,115,101,75,-180,-177,-169,-177,-205,249,248,268,102,1518,1489,1364,1360,7835,7509,7254,5735,2666,2241,2241,943,987,956,1287,0,914,239,239,0,0,0,229,225,223,237,208,194,206,189]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. h3 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} (8. g3 Nbd7 9. Qd3 dxc4 10. Qxc4 e5 11. Bg2 Nb6 12. Qe2 exd4 13. exd4+ Be7 14. O-O O-O 15. Bg5 Re8 {½-½ (28) Gledura,B (2621)-Cori Tello,J (2664) Saint Louis 2018}) 8... Nbd7 {LiveBook: 16 Games} 9. Qb3 Rb8 10. Be2 $146 {White has an edge.} ({Predecessor:} 10. Bd2 Bd6 11. cxd5 exd5 12. Bd3 Qe7 13. Qc2 Ng4 14. Rf1 {1-0 (57) Weise,W (1892)-Couto,M (1789) Blumenau 2016}) 10... a6 11. a4 Bd6 12. Bd2 O-O 13. O-O Qe7 14. Rfe1 Ne4 15. Nxe4 dxe4 16. a5 (16. Qc2 $14) 16... Kh7 17. Qc2 f5 18. b4 e5 (18... Rbc8 $11) 19. Rab1 (19. c5 $16 Bc7 20. Bc4) 19... Rbe8 20. Bf1 (20. d5 $14 cxd5 21. cxd5) 20... exd4 $11 21. exd4 f4 22. f3 {[%cal Re1e4]} e3 23. Bc3 Rf5 (23... Nf6 $14) 24. Bd3 $16 Rg5 25. Re2 $2 (25. h4 $1 $18 {[%cal Rh4g5]} Rg3 26. Bxg6+ $1 {[%mdl 512]} Rxg6 27. h5) 25... Rh8 (25... Qe6 $11) 26. Kf1 (26. b5 $1 $16) 26... Kg8 $11 {Threatening ...Qe6.} 27. Be1 ({Not} 27. Bxg6 $2 Qe6 $19) 27... Qe6 {aiming for ...Rxh3!} 28. h4 Rgh5 $2 (28... Qf6 $11 {and Black has nothing to worry.}) 29. Bxg6 $2 (29. c5 $1 $18 {is the precise move to win.}) 29... Rxh4 $16 30. Bxh4 Rxh4 {[%cal Rh4h1]} 31. Kg1 $2 {[%mdl 8192]} (31. Ree1 $1 $16 {is forced if you want to stay better.}) 31... Nf8 $1 $19 {[%cal Rf8g6][%mdl 1024] Black has strong compensation.} 32. Bf5 Qh6 {[%csl Gh6][%cal Rh4h1]} 33. Bh3 {Black must now prevent Qe4.} Qg5 $4 {[%mdl 8192]} (33... Nh7 $19 {and all is fine. Threatens to win with ...Ng5.} 34. Qf5 (34. c5 Ng5 $17) 34... Ng5) 34. Qf5 $1 $18 {[%cal Rf5g5]} Qg3 35. c5 $2 (35. b5 $1 $18) 35... Nh7 $2 {[%mdl 8192]} (35... g6 $16 36. Qc8 Be7) 36. Qe6+ Kh8 37. cxd6 {Intending d7 and mate.} Ng5 38. Qe8+ Kh7 39. Bf5+ g6 40. Qxg6+ Kh8 41. Qf6+ Kg8 42. Be6+ Kh7 43. Bf5+ Kg8 {( -> ...Qh2+)} 44. Rxe3 $2 (44. Qd8+ Kg7 45. Qe7+ Nf7 46. Rc2) 44... fxe3 {[%csl Ge3][%cal Rg3f2] [#]} 45. Be6+ $2 (45. Qd8+ $1 $18 Kg7 46. Qe7+ Nf7 47. Qxe3) 45... Kh7 $1 $11 {[%csl Ge3][%cal Rg3f2]} 46. Bf5+ $2 (46. Qe7+ $11 Kg6 47. Qe8+ Kf6 48. Qe7+ Kg6 49. Qe8+ Kg7 50. Qe7+ Kg6) 46... Kg8 $18 {[%csl Ge3][%cal Rg3f2] [#]} 47. Qd8+ $1 {White is clearly better.} Kg7 {[%csl Ge3][%cal Rg3f2]} 48. Qe7+ Nf7 {[%csl Ge3][%cal Rg3f2]} 49. Qxe3 {Hoping for d7.} Qxd6 50. Bg4 {Precision: White = 27%, Black = 31%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Matsuura, Everaldo"]
[Black "Romanishin, Oleg M"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2476"]
[BlackElo "2435"]
[Annotator "RC"]
[PlyCount "61"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:21]} exd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:10]} Bc5 {[%emt 0:00:00]} 5. Nb3 {[%emt 0:00:19]} Bb4+ {[%emt 0:02:17]} 6. c3 {[%emt 0:00:34]} Be7 {[%emt 0:00:03]} 7. Bf4 {[%emt 0:00:52]} Bg5 {[%emt 0:00:18]} 8. Qd2 {[%emt 0:10:16]} Bxf4 {[%emt 0:02:51]} 9. Qxf4 {[%emt 0:00:45]} Nf6 {[%emt 0:00:11]} 10. N1d2 {[%emt 0:02:43]} O-O {[%emt 0:02:18]} 11. O-O-O {[%emt 0:02:26]} d6 {[%emt 0:01:39]} 12. Kb1 {[%emt 0:03:49]} Nh5 {[%emt 0:13:50]} 13. Qf3 {[%emt 0:13:45]} Ne5 {[%emt 0:11:46]} 14. Qe2 {[%emt 0:03:51]} Qf6 {[%emt 0:03:22]} 15. h3 {[%emt 0:02:41]} Qh6 {[%emt 0:18:46]} 16. Nd4 {[%emt 0:04:36]} f5 {[%emt 0:07:59]} 17. Nxf5 {[%emt 0:12:07]} Bxf5 {[%emt 0:00:20]} 18. exf5 {[%emt 0:00:07]} Rxf5 {[%emt 0:01:09]} 19. Ne4 {[%emt 0:01:56]} Nf6 {[%emt 0:13:46]} 20. Ng3 {[%emt 0:03:05]} Rf4 {[%emt 0:00:24]} 21. Qc2 {[%emt 0:01:12]} Qg6 {[%emt 0:07:01]} 22. Qxg6 {[%emt 0:00:35]} Nxg6 {[%emt 0:00:04]} 23. f3 {[%emt 0:00:40]} Nh4 {[%emt 0:00:36]} 24. Rg1 {[%emt 0:04:20]} Nf5 {[%emt 0:04:00]} 25. Nxf5 {[%emt 0:07:47]} Rxf5 {[%emt 0:00:02]} 26. Bc4+ {[%emt 0:00:10]} Kf8 {[%emt 0:00:23]} 27. Rge1 {[%emt 0:00:28]} Re8 {[%emt 0:01:37]} 28. Be6 {[%emt 0:02:09]} Re5 {[%emt 0:01:40]} 29. Rxe5 {[%emt 0:00:46]} dxe5 {[%emt 0:00:02]} 30. Bb3 {[%emt 0:04:15]} e4 {[%emt 0:00:17]} 31. fxe4 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Roselli Mailhe, Bernardo"]
[Black "Menna Barreto, Felipe Kubiaki"]
[Result "1/2-1/2"]
[ECO "D25"]
[WhiteElo "2421"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,25,5,6,6,-12,14,25,26,0,0,0,-9,-12,0,-69]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Qb3 Bxf3 7. gxf3 c5 {D25: Queen's Gambit Accepted: 4 e3: sidelines and 4...Bg4} 8. dxc5 (8. Nc3 Qd7 9. dxc5 Bxc5 10. Qb5 Be7 11. Qxd7+ Nbxd7 12. Bd2 Rc8 13. Be2 Ne5 14. O-O-O O-O 15. Kb1 {½-½ (58) Wang,Y (2699)-Andreikin,D (2712) Dortmund 2017}) 8... Bxc5 9. Qxb7 Nbd7 10. Qb3 Rb8 {The position is equal.} 11. Qc2 O-O 12. O-O Qc7 $146 ({Predecessor:} 12... Ne5 13. Be2 Qd5 14. e4 Qc6 15. Nc3 Rfc8 16. Bf4 Bd4 {½-½ (31) Lacrosse,M (2203)-Maddens,M (2047) Gent 2012}) 13. Be2 ({Better is} 13. Rd1 $11) 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Von Buelow, Georg"]
[Black "Santos Filho, Tadeu Sousa"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2354"]
[BlackElo "2078"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,53,-23,-31,-26,0,0,0,0,0,3,6,0,11,0,0,0,0,0,7,0,50,48,54,50,430,431,885,874,774,768,589,0,29992,29993]} 1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. e3 Bg4 5. Nc3 e6 6. h3 Bh5 7. g4 Bg6 8. Qb3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} (8. Ne5 Nbd7 9. Nxg6 hxg6 10. g5 Ng8 11. h4 Bb4 12. Qb3 Bxc3+ 13. bxc3 Ne7 14. Ba3 Nb6 15. Bxe7 Qxe7 {½-½ (85) Ding,L (2774)-Carlsen,M (2837) Saint Louis 2017}) 8... Qb6 9. c5 Qc7 10. Ne5 Nbd7 11. Nxg6 hxg6 {LiveBook: 6 Games} 12. Bg2 g5 13. e4 dxe4 14. Bxg5 e5 15. Bxf6 gxf6 16. Nxe4 {With the idea 0-0-0.} exd4 17. O-O-O {[%cal Ba1d1,Bd1d4,Bd4b4][%mdl 32] [#]} Bxc5 $146 ({Predecessor:} 17... O-O-O 18. Rxd4 Nxc5 19. Rxd8+ {½-½ (19) Kempinski,R (2590)-Najer,E (2641) Czechia 2013}) 18. Nxc5 Nxc5 19. Rhe1+ Ne6 $132 {[%mdl 2048] Black is fighting back} 20. Rxd4 Kf8 (20... O-O $5 {[%cal Re6d4]} 21. Rdd1 Kg7 $11) 21. Rb4 Rb8 22. Qc3 Kg7 $2 {[%mdl 8192] [#]} (22... Qe7 $14) 23. g5 $1 $18 {[%cal Bg4g5,Bg5f6][%mdl 544]} Qd8 (23... Qa5 $142 24. Rxe6 (24. gxf6+ Kf8 $16) 24... Qxg5+ 25. Re3 (25. f4 Qxg2 26. Qxf6+ Kg8 $14) 25... Rh4 26. Rxh4 Qxh4 27. Rg3+ Kh8) (23... Nxg5 24. Rg4) 24. gxf6+ Kf8 {[#]} 25. Rxe6 $1 {[%mdl 512]} fxe6 26. Rg4 $2 ({Better is} 26. Qe5 $18 Kf7 27. Rg4) 26... Rg8 $2 {[%mdl 8192]} (26... Qd6 $11 27. Rd4 (27. f7 Rh7 $11) 27... Qc7) 27. Rxg8+ {Precision: White = 95%, Black = 24%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Brito, Luismar"]
[Black "Dos Santos, Vitor Eduardo Mello"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2349"]
[BlackElo "2054"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,36,-44,-35,-50,-50,-94,-86,-86,20,15,12,0,31,24,50,42,49,45,56,48,52,18,27,17,473,468,1228,0,35]} 1. Nc3 Nf6 2. Nf3 d5 3. d4 e6 4. Bg5 Be7 5. Qd3 (5. Bxf6 Bxf6 6. e4 c6 7. Bd3 O-O 8. O-O Nd7 9. e5 Be7 10. Ne2 f5 11. exf6 Bxf6 12. Nf4 Re8 13. Re1 Nf8 14. c4 {½-½ (53) Zakaryan,D (2420)-Khanin,S (2458) Taganrog 2018}) 5... Nbd7 {LiveBook: 3 Games} 6. h3 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5} a6 $146 ({Predecessor:} 6... c5 7. e3 c4 8. Qe2 Nb6 9. a4 O-O 10. Ne5 Nbd7 11. f4 Ne8 12. Bxe7 Qxe7 {0-1 (45) Svensson,P-Christensen,S (1775) Helsingor 2009}) 7. g3 b5 8. a3 {Black is better.} b4 (8... c5 $17) 9. axb4 $11 Bxb4 10. Ne5 Bb7 {Hoping for ...Nxe5.} 11. Bg2 $36 {[%mdl 2048] White fights for an advantage.} Be7 12. O-O Nxe5 13. dxe5 Nd7 14. Bxe7 $1 Qxe7 15. f4 (15. e4 $5 {[%cal Re4d5]}) 15... O-O 16. Na4 Nc5 $2 {[%mdl 8192] [#]} (16... a5 $11 {and Black is okay.}) 17. Qa3 $1 $18 Nd7 (17... Bc6 $142 18. Nxc5 Bb5) 18. Qd3 $2 (18. Qxe7 $18 Bc6 {[#]} 19. e4 $1 {[%mdl 512]}) 18... c5 {Accuracy: White = 34%, Black = 13%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Larrea, Manuel"]
[Black "Souza, Wellington"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "2271"]
[BlackElo "2120"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,103,71,90,104,88,92,116,114,182,186,462,456,441,449,416,313,333,250,246,235,256,185,190,164,164,162,167,155,165,120,150,120,144,151,190,180,256,269,239,248,533,512,588,347,582,583,424,575,570,552,566,552,692,678,668,647,572,406,1143,406,397,368,361,354,29974,29975,29969,29971,29978,29979,29979,29980,29981,29982,29984,29984,29985,29986,29986,29987]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Bd7 10. Bb3 Rc8 11. O-O-O Na5 12. Kb1 Nxb3 13. cxb3 Re8 14. g4 {B78: Sicilian Dragon: Yugoslav Attack, 9 Bc4 Bd7 10 0-0-0 Rc8} Qa5 15. Bh6 Bh8 16. h4 {[%cal Bh2h4,Bh4h5][%mdl 32] White is better.} Rc5 (16... b5 $16) 17. h5 $18 Nxg4 $146 (17... b5 18. a3 b4) ({Predecessor:} 17... b5 18. hxg6 fxg6 19. Qh2 b4 20. Nd5 Nxd5 21. exd5 Rxd5 {½-½ (80) Schoene,M (2198)-Becker,M (2308) Germany 2008}) 18. fxg4 Bxg4 {[#]} 19. hxg6 $1 {[%mdl 512]} hxg6 (19... fxg6 20. Rdg1) 20. Rdg1 Rh5 21. Rxh5 Qxh5 22. Be3 a6 23. Qg2 {[#] Black must now prevent Rh1.} Qh3 24. Qxh3 Bxh3 25. Kc2 Bd7 26. Kd3 e6 27. b4 b5 28. b3 Bg7 29. a4 e5 30. Nde2 Be6 (30... Bc6 $142 31. Kd2 Ra8) 31. axb5 axb5 32. Nxb5 Bxb3 $2 (32... Rb8 {is a better defense.}) 33. Rb1 Ba2 34. Ra1 Be6 $2 (34... Bb3 {keeps fighting.} 35. Nxd6 Rd8) 35. Nc7 Rb8 36. Nxe6 fxe6 37. Rb1 d5 38. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} d4 39. Bd2 Bf8 40. b6 Kf7 41. b7 Ke8 (41... Bd6 $142 42. Ng1 Ke8) 42. Ba5 (42. Nxd4 $142 Kd7 43. Nb3) 42... Kd7 43. Kc4 Bd6 44. Nc1 Bc7 $2 (44... Kc6 $18 45. Rb6+ Kc7 46. Rb5+ Kc6) 45. Bxc7 {White mates.} Kxc7 46. Nd3 Rxb7 47. Rxb7+ Kxb7 48. Nxe5 Kc7 49. Nxg6 Kc6 50. Kxd4 {KN-KP} Kd6 51. e5+ Kd7 52. Kc5 {Precision: White = 74%, Black = 16%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Rocha, Vitor Firmo De Souz"]
[Black "Campos, Alexandre Ferreira"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2174"]
[BlackElo "2076"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 33,99,85,112,99,145,56,36,26,48,42,61,67,68,44,64,0,0,0,152,152,151,145,142,135,132,140,225,220,221,216,216,207,332,137,137,37,129,129,129,129,129,135,213,208,225,211,216,214,215,204,187,137,238,230,300,295,256,171,221,202,29964,29962,29966,12795,29975,29976,29973,29981]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. c3 fxe4 12. Bxb5 axb5 13. Nxb5 Be6 14. Nbc7+ Kd7 {B33: Sicilian: Pelikan and Sveshnikov Variations} 15. Nxa8 Bxd5 16. Qxd5 Qxa8 17. Qxf7+ Ne7 {LiveBook: 6 Games} 18. O-O (18. O-O-O {is interesting.} Qc6 19. Kb1 d5 20. Rhe1 Kc7 21. f3) (18. O-O-O Rg8 19. g3 e3 20. Rhe1 Rg7 21. Qf6 Rg6 22. Qxe5 exf2 {1-0 (44) Hamdouchi,H (2615)-Dorfman,J (2610) France 2003 CBM 095 [Rogozenco,D]}) 18... Qd5 19. Qxd5 (19. Qh5 $16) 19... Nxd5 $14 20. a4 $146 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} ({Predecessor:} 20. Rfe1 Nf6 21. c4 Bh6 22. Re2 {0-1 (77) Rosen,W (2199)-Schippan,B (2289) Hattingen 2008}) 20... Bh6 21. a5 Kc6 22. a6 Ra8 23. Ra4 e3 24. fxe3 (24. g3 $14) 24... Bxe3+ $11 25. Kh1 Kb5 $2 ({Black should play} 25... Ra7 $11) 26. Re4 $16 Rxa6 27. c4+ Kc5 28. cxd5 {[%mdl 4096] Endgame KRR-KRB} Bd4 29. Rh4 Bxb2 (29... Ra7 $16) 30. Rxh7 $18 Kxd5 31. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} e4 32. g5 e3 (32... Ra4 {was called for.} 33. Re7 Be5) 33. Re1 (33. Kg2 $18 {and the rest is easy.}) 33... Ke4 $16 34. Kg2 ({Better is} 34. g6 $16) 34... Be5 {[#]} (34... Bc3 $1 $14 35. Re7+ Be5) 35. Rh4+ $1 Kf5 36. Kf3 Kxg5 37. Rg4+ Kf5 (37... Kh5 $16 38. h3 (38. Rxe3 Bxh2 39. Rg8 Be5 $16) 38... Ra2) 38. h4 $18 ({Much less strong is} 38. Rxe3 $6 Bxh2 39. Rh4 Be5 $16) 38... Ra3 {Hoping for ...e2+!} 39. Rg5+ Kf6 40. Rxe3 Ra4 41. Rg4 Ra7 42. Rd3 Kf5 (42... Ra2 $16 43. Re3 Rh2) 43. Rg5+ Kf6 44. Kg4 Ra4+ 45. Kh5 Rf4 46. Rdg3 Rf5 $2 {[#]} (46... Kf7 $18 47. R3g4 Rf1) 47. Rxf5+ $1 Kxf5 48. Rg5+ Kf4 49. Kg6 Ke4 {[#]} 50. Rxe5+ $1 {[%mdl 512] Precision: White = 47%, Black = 40%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Lebredo Zaragoitia, Gerardo"]
[Black "Manzi, Luiz Antonio Bardar"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2139"]
[BlackElo "2047"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,81,34,33,101,33,27,40,222,145,144,148,125,106,130,117,160,160,234,168,164,168,149,127,190,187,310,207,401,373,374,356,410,229,786,764,955,943,913,689,903,833,831,583,29987,29988,29990,29991,29992,29993,29993,29994,29994,29995,29995,29996,29996,29997]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 h6 7. Bh4 c6 8. Rc1 O-O 9. Bd3 dxc4 10. Bxc4 b5 11. Bd3 a6 12. a4 Bb7 13. O-O Rc8 {D66: Queen's Gambit Declined: Classical: Main Line (7 Rc1 c6 8 Bd3)} 14. Qe2 {LiveBook: 20 Games} Qa5 ({Better is} 14... Nh5 $14) 15. e4 (15. Ne5 $1 $16 {[%cal Re5d7] Nxd7 is the strong threat.} Rfd8 16. f4 (16. axb5 cxb5 17. f4 Qb4 $14)) 15... b4 $14 {White is slightly better.} 16. Nb1 {[%cal Bc3b1,Bb1d2,Bd2c4][%mdl 32] [#] Black must now prevent e5.} e5 $146 (16... Qxa4 $2 17. e5 $18) (16... c5 $14) ({Predecessor:} 16... Rfe8 17. Nbd2 Rcd8 18. Nc4 Qc7 19. e5 Nd5 20. Bxe7 Rxe7 21. Qe4 {1-0 (47) Ruck,R (2572)-Huzman,A (2595) Panormo 2002}) 17. dxe5 Nxe5 18. Nxe5 Qxe5 19. f4 Qc7 20. Nd2 $36 {[%mdl 2048] Keeping Black busy.} Rfe8 21. e5 Nd5 (21... Rcd8 $16 {was necessary.} 22. Nb3 Nd5 23. Bxe7 Nxe7) 22. Bg3 ({Much less strong is} 22. Bxe7 $6 Rxe7 23. Qe4 g6) 22... Rcd8 23. Nc4 Qd7 24. Rcd1 Bc5+ (24... f5 $16 {was called for.} 25. Kh1 g6) 25. Kh1 $18 Qc8 (25... f5 $142 26. Bh4 Be7 27. Bxe7 Rxe7) 26. Qh5 Ne3 $2 (26... a5 27. f5 (27. Nxa5 Ne3 $14) 27... Ba6) 27. Nxe3 Bxe3 28. Bc4 Rf8 {[#]} 29. f5 (29. e6 $142 $1 {[%mdl 512]} Rd5 (29... fxe6 30. Qe5) 30. f5 (30. Rxd5 cxd5 31. exf7+ Rxf7 $16) 30... fxe6 31. Bxd5 cxd5 {[#]} 32. f6 $1 {[%mdl 512]}) 29... Rxd1 $2 (29... c5 30. e6 Qc6 31. exf7+ Kh8) 30. Rxd1 c5 31. e6 Qa8 32. Qe2 Bd4 33. Bd6 fxe6 34. Bxf8 Qxf8 35. Qxe6+ {White mates.} Kh8 36. Re1 h5 37. Qg6 {[%cal Rg6h5]} Bxg2+ 38. Kxg2 {[%cal Rg6h5]} Qa8+ 39. Kg3 {[%cal Rg6h5]} h4+ 40. Kf4 {[%cal Rg6h5]} Qb8+ 41. Kg4 {Accuracy: White = 73%, Black = 23%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Almeida, Gianluca Jorio"]
[Black "Rodi, Luis Ernesto"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2109"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,98,8,28,-38,-31,-42,-47,-43,-10,-8,0,-18,-6,0,18,10,35,16,28,41,42,20,18,32,100,-30,-13,-74,-62,-79,0,-48,0,-52,-69,-126,-136,-233,-164,-158,-162,-443,-476,-839,-133,-241,-212,-347,-99,-91,-74,-95,-86,-229,-235,-237,-216,-833,-818,-883,-852,-811,-689,-1108,-1052,-1272,-873,-822,-846,-1168,-1155,-1129,-1129,-1110,-1093,-4129,-4129,-4129,-4129,-4125,-4116,-4090,-2222,-2532,-2419,-2173,-2101,-2447,-2025]} 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 a6 5. b3 c5 6. Bb2 {A17: English Opening: 1...Nf6 with ...Bb4} Nc6 {LiveBook: 13 Games} 7. Ne2 $146 (7. cxd5 $11 exd5 8. d4) ({Predecessor:} 7. cxd5 exd5 8. Rc1 Bg4 9. h3 Bh5 10. Na4 Nd7 11. Be2 b5 12. Nc3 {1-0 (28) Mamedyarov,S (2801)-Georgiadis,N (2526) Biel 2018}) 7... Bd6 8. Ng3 {Black is slightly better.} O-O 9. a3 e5 10. cxd5 Nxd5 11. Qc2 Re8 12. Bd3 g6 13. h4 Bf8 14. Qb1 f5 15. h5 Bg7 16. hxg6 hxg6 17. Nh4 Qg5 {[#]} (17... Re6 $14) 18. Qc2 ({Better is} 18. e4 $1 $16 {aiming for Bc4.} Nb6 19. exf5) 18... Be6 $11 19. Nhxf5 (19. Rc1 $11 {remains equal.}) 19... gxf5 $17 (19... Bxf5 20. e4 $11) 20. Bxf5 Rad8 (20... Bxf5 $17 21. Nxf5 Re6) 21. O-O-O b5 22. Bxe6+ ({White should play} 22. Bh7+ $11 Kf8 23. Ne4) 22... Rxe6 $15 23. Rh5 (23. Ne4 $15 Qg6 24. Nxc5) 23... Qg6 $17 24. Rf5 {[#]} (24. Qf5 $17) 24... c4 $1 25. bxc4 bxc4 {And now ...Na5 would win.} 26. e4 $2 (26. Rh5) 26... Nf4 $19 27. Qxc4 (27. Kb1 $142 Rb8 28. Ka2) 27... Ne7 $2 (27... Na5 $19 {and Black stays clearly on top.} 28. Qa2 Nd3+ 29. Kc2 Qe8) 28. Bc3 (28. Kb1 $17 {was the only defense.}) 28... Rc8 (28... Nxf5 $2 29. exf5 Qe8 30. fxe6 $18) (28... Nxg2 29. Rg5 $17) 29. Qb3 (29. Qa2 {was forced.}) 29... Nd3+ $2 ({Less strong is} 29... Nxg2 30. Nh5 $17) (29... Nc6 $19 {is more deadly.} 30. Qc4 Qe8) 30. Kc2 $17 {[#]} Nc5 $1 {[%cal Rc5b3,Bd3c5,Bc5b7,Bb7d6,Bd6b5,Bb5d4][%mdl 32]} 31. Qc4 Nb7 $36 {[%mdl 2048] Black is really pushing.} ({Not} 31... Nxf5 $2 32. exf5 Qe8 33. Rh1 $18 (33. fxe6 Nxe6 34. Qa2 Qf7 $16)) 32. Qa4 (32. Qa2 $17 {might work better.}) 32... Nd6 ({Weaker is} 32... Nxf5 33. exf5 Qh7 34. Qd7 $16) 33. Rf3 Nb5 34. Rd3 $2 (34. Kb1) 34... Nd4+ $19 {Black is clearly winning.} 35. Kb2 Rb6+ 36. Bb4 Qe6 37. Rc3 {[#]} a5 $1 {[%cal Ba6a5,Ba5b4,Bb4a3][%mdl 544]} 38. Rdc1 (38. Qxa5 Rxc3) 38... Rxc3 39. dxc3 axb4 40. cxd4 bxa3+ 41. Kc2 Qc6+ 42. Qxc6 Rxc6+ 43. Kd1 Rxc1+ 44. Kxc1 exd4 45. Kb1 d3 46. Nf1 Bc3 47. Ka2 Bb4 48. Ne3 d2 49. Nd1 Nc6 {Precision: White = 22%, Black = 53%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Souza Neves, Andrey M."]
[Black "Teixeira, Ricardo Da Silva"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2074"]
[BlackElo "2239"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,85,17,38,29,22,26,58,54,59,26,39,9,28,-18,-17,-10,0,-5,-1,-14,-5,-5,-5,-43,-33,-48,-49,-46,-46,-98,-39,-39,-39,-45,-46,-27,-43,-107,-97,-104,-100,-306,-285,-238,-61,-973,-866,-769,-487,-495,-473,-475,-471,-471,-471,-466,-465,-738,-637,-731,-394,-893,-706,-4886,-5010,-4727,-2604,-2330,-2161,-993]} 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e4 fxe4 7. Nxe4 d5 8. Nxf6+ Qxf6 9. Nf3 O-O 10. Be2 {A83: Dutch Defence: Staunton Gambit with 3 Nc3 Nf6 4 Bg5} Nc6 11. O-O Kh8 $146 ({Predecessor:} 11... dxc4 12. Rc1 b5 13. b3 Rd8 14. bxc4 Nxd4 15. Nxd4 Rxd4 {1-0 (40) Fier,A (2560)-Toth,C (2366) Rio de Janeiro 2011}) 12. Rc1 {White is slightly better.} Bd7 13. Qd2 Rad8 14. Qc3 Be8 15. Ne5 dxc4 16. Rcd1 b5 17. Bf3 Nxe5 18. dxe5 Qe7 19. Rxd8 Qxd8 20. Rd1 Qg5 21. Qe3 Qxe3 22. fxe3 $15 {[%mdl 4096] Endgame KRB-KRB} Kg8 23. Be4 (23. Rd8 $15) 23... Bg6 (23... a5 $17) 24. Bxg6 hxg6 {KR-KR} 25. Rd7 Rf7 26. Rd8+ Kh7 27. Re8 {[#]} (27. Rb8 $15) 27... Rd7 $1 $17 {[%cal Rd7d2] And now ...Rd2 would win.} 28. Rxe6 Rd2 29. Rc6 $2 (29. Ra6 $17 {was the only chance.}) 29... Rxb2 $19 30. Rxc7 Rxa2 $2 ({Better is} 30... g5 $19 31. a3 Kg6) 31. Rc5 $2 {[%mdl 8192]} (31. e6 $15 Re2 32. e7 Rxe3 33. Rxa7) 31... Kg8 32. h4 a6 33. Kh2 Re2 34. Kg3 Rxe3+ 35. Kf4 Re1 36. g4 Kf7 37. Kg5 (37. Rc7+ $142 Ke8 38. h5 gxh5 39. gxh5) 37... Re4 38. Rc7+ Kg8 39. Rc8+ $2 {[#]} (39. Kxg6 Rxg4+ 40. Kf5 Rxh4 41. Ke6) 39... Kh7 $1 {Black is clearly winning.} 40. Rc5 b4 41. h5 gxh5 42. Kf5 Rxg4 43. e6 {[%mdl 32768] Accuracy: White = 31%, Black = 58%. . Loss on time!?} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Ferreira, Kleber Victor"]
[Black "Fucs, Paulo Moses"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "2053"]
[BlackElo "2016"]
[Annotator "NA"]
[PlyCount "112"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,112,34,30,0,32767,32767,33,32767,31,32767,32767,0,0,32767,32767,-21,-4,-14,0,-45,-35,-39,-22,-70,-61,-65,-58,-64,-68,-100,-95,32767,32767,-47,32767,32767,-33,-48,-37,-193,0,-77,-64,-31,32767,32767,32767,32767,-25,-73,-74,-71,0,-9,-11,-18,32767,32767,-41,32767,32767,32767,162,186,200,237,262,282,274,264,479,609,745,264,251,32767,32767,32767,32767,32767,32767,32767,32767,20,32767,32767,32767,32767,32767,54,32767,32767,32767,32767,32767,32767,32767,32767,66,32767,32767,56,56]} 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:01:18]} 3. Bb5 {[%emt 0:00:08]} g6 {[%emt 0:00:46]} 4. Bxc6 {[%emt 0:00:06]} dxc6 {[%emt 0:00:31]} 5. d3 {[%emt 0:00:36]} Bg7 {[%emt 0:00:54]} 6. f4 {[%emt 0:04:37] B23: Closed Sicilian: Lines without g3} c4 {[%emt 0:01:58]} (6... Nf6 7. Nf3 Nd7 8. O-O b6 9. Qe1 Nf8 10. f5 gxf5 11. Nh4 fxe4 12. dxe4 Ng6 13. Nf5 O-O {0-1 (32) Najer,E (2658)-Savchenko,B (2567) Moscow 2015}) 7. Nf3 {[%emt 0:00:11]} cxd3 {[%emt 0:00:24]} 8. cxd3 {[%emt 0:00:03]} Nf6 {[%emt 0:01:40] LiveBook: 5 Games} 9. O-O {[%emt 0:00:15]} O-O {[%emt 0:04:29]} 10. Kh1 {[%emt 0:09:32]} Qa5 $146 {[%emt 0:03:21]} ({Predecessor:} 10... c5 11. Be3 b6 12. Qe2 Bb7 13. Rad1 Qc7 {1-0 (37) Bodnaruk,A (2475)-Maslova,P (2095) Sochi 2016}) 11. Ne5 {[%emt 0:03:07]} Be6 {[%emt 0:05:05]} 12. Qf3 {[%emt 0:08:06]} Rad8 {[%emt 0:01:45]} 13. Be3 {[%emt 0:09:17]} Ne8 {[%emt 0:06:09]} 14. d4 {[%emt 0:04:13]} Nd6 {[%emt 0:02:47]} 15. d5 {[%emt 0:13:51]} cxd5 {[%emt 0:00:43]} 16. exd5 {[%emt 0:00:32]} Bc8 {[%emt 0:05:15]} 17. Qf2 {[%emt 0:01:44]} Nb5 {[%emt 0:09:13]} 18. Nxb5 {[%emt 0:04:33]} Qxb5 {[%emt 0:00:17]} 19. Bxa7 {[%emt 0:00:56]} Rxd5 {[%emt 0:01:33]} 20. Be3 {[%emt 0:00:53]} Bf5 {[%emt 0:10:06]} 21. Bd4 {[%emt 0:05:45]} Rfd8 {[%emt 0:00:52]} 22. Bc3 {[%emt 0:00:13]} e6 {[%emt 0:02:39]} 23. Rfe1 {[%emt 0:03:35]} Qa4 {[%emt 0:13:19]} 24. h3 {[%emt 0:07:05]} h5 {[%emt 0:06:09]} 25. a3 {[%emt 0:01:21]} (25. Qh4 $15) 25... Bh6 $2 {[%emt 0:00:47]} (25... f6 $19 26. Nf3 Qxf4) 26. g4 {[%emt 0:06:19]} (26. Qh4 $1 $11 Bg7 27. Rac1) 26... hxg4 {[%emt 0:03:00]} 27. hxg4 {[%emt 0:00:05]} Bd3 {[%emt 0:02:34]} 28. g5 {[%emt 0:00:29]} Bg7 {[%emt 0:01:12]} 29. Rac1 {[%emt 0:03:00]} Bf5 {[%emt 0:00:38]} 30. Kh2 {[%emt 0:04:57]} Qb3 {[%emt 0:00:45]} 31. Re3 $1 {[%emt 0:02:26] [#]} Qa4 {[%emt 0:01:24]} (31... Rd1 $1 $17 {[%cal Rd1c1]} 32. Rxd1 Rxd1) 32. Kg3 {[%emt 0:00:19]} Rd1 {[%emt 0:02:24]} 33. Rxd1 {[%emt 0:00:19]} Qxd1 {[%emt 0:00:30]} 34. Re1 {[%emt 0:02:06]} Qh5 {[%emt 0:03:28]} 35. Qh2 {[%emt 0:01:47]} Bxe5 {[%emt 0:00:52]} 36. Qxh5 {[%emt 0:00:26]} Bxc3 $2 {[%emt 0:02:02] [#]} (36... Bxf4+ $15 {stays ahead.} 37. Kxf4 gxh5) 37. Qe2 $1 {[%emt 0:03:25]} Rd3+ {[%emt 0:00:29]} 38. Kf2 {[%emt 0:00:52]} Bd4+ {[%emt 0:01:36]} (38... Bxe1+ $142 39. Kxe1 (39. Qxe1 Rb3 $16) 39... b5) 39. Kg2 {[%emt 0:01:04]} Rb3 {[%emt 0:02:21]} 40. Qc4 {[%emt 0:00:56]} Rxb2+ $2 {[%emt 0:00:45]} (40... Rd3 41. Re2 b6) 41. Re2 {[%emt 0:00:05]} Be4+ {[%emt 0:01:30]} 42. Kg3 {[%emt 0:00:08]} (42. Kf1 $142 Rb1+ 43. Re1 Bg2+ 44. Kxg2 Rxe1 45. Qxd4) 42... Bd5 {[%emt 0:01:11]} 43. Qxd4 {[%emt 0:01:17]} Rxe2 {[%emt 0:00:19]} 44. Qf6 {[%emt 0:00:30]} Rg2+ {[%emt 0:00:54]} 45. Kh3 {[%emt 0:00:11]} Ra2 {[%emt 0:00:29]} 46. Qd8+ {[%emt 0:00:17]} Kh7 {[%emt 0:00:36]} 47. Qe7 {[%emt 0:00:59]} e5 {[%emt 0:00:42]} 48. fxe5 {[%emt 0:00:21]} Be6+ {[%emt 0:00:12]} 49. Kg3 {[%emt 0:00:27]} b5 {[%emt 0:00:21]} 50. Kf4 $14 {[%emt 0:00:18]} Rc2 {[%emt 0:00:14]} 51. Ke3 {[%emt 0:00:28]} Rc4 {[%emt 0:00:08]} 52. Kd2 {[%emt 0:00:35]} Rf4 {[%emt 0:00:17]} 53. Ke3 {[%emt 0:00:24]} Ra4 {[%emt 0:00:46]} 54. Qd6 {[%emt 0:00:52]} Rh4 {[%emt 0:00:28]} (54... Rg4 $1 $11) 55. Qe7 {[%emt 0:00:24]} Rh3+ {[%emt 0:00:26]} 56. Kd4 {[%emt 0:00:37]} Rb3 {[%emt 0:00:57]} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Okamura, Milton Kasuo"]
[Black "Moccero, Eduardo"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2038"]
[BlackElo "1945"]
[Annotator "NA RC"]
[PlyCount "50"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,50,29,23,38,32,32767,32767,16,16,32767,32767,32767,32767,32767,13,27,32767,10,16,49,44,32767,57,80,32,30,41,99,14,35,7,37,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,-122,-136]} 1. d4 {[%emt 0:13:18]} d5 {[%emt 0:00:23]} 2. c4 {[%emt 0:00:08]} dxc4 {[%emt 0:00:06]} 3. Nf3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:34]} 4. e3 {[%emt 0:00:26]} e6 {[%emt 0:00:19]} 5. Bxc4 {[%emt 0:00:09]} c5 {[%emt 0:00:24]} 6. O-O {[%emt 0:00:17]} a6 {[%emt 0:00:51]} 7. a4 {[%emt 0:00:16]} Nc6 {[%emt 0:01:07]} 8. Nc3 {[%emt 0:00:29]} cxd4 {[%emt 0:01:39]} 9. exd4 {[%emt 0:00:14]} Be7 {[%emt 0:01:57]} 10. d5 {[%emt 0:03:30]} exd5 {[%emt 0:01:25]} 11. Nxd5 {[%emt 0:00:08]} Nxd5 {[%emt 0:01:10]} 12. Bxd5 {[%emt 0:00:05] D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} O-O {[%emt 0:00:43] LiveBook: 6 Games} 13. Qb3 {[%emt 0:00:21]} (13. Be3 Nb4 14. Bb3 Bf5 15. Nd4 Bd3 16. Re1 Bf6 17. Qd2 a5 18. Nb5 Bc2 19. Bc4 Bxb2 20. Rad1 Bxd1 21. Qxb2 Rc8 22. Qc3 Nd5 23. Bxd5 Rxc3 24. Nxc3 Bxa4 25. Ba2 Bc6 {0-1 (25) Lysyj,I (2617)-Naiditsch,A (2697) Mainz 2009}) 13... Qc7 {[%emt 0:08:44]} 14. Be3 {[%emt 0:02:47]} Bf6 $146 {[%emt 0:04:58]} ({Predecessor:} 14... Qd6 15. Rac1 Na5 16. Qa2 Be6 17. Bxe6 Qxe6 18. Qxe6 fxe6 {1-0 (32) Wyder,B (2017)-Gerard,A (1952) ICCF email 2012}) 15. Rac1 {[%emt 0:01:31]} Bg4 {[%emt 0:09:28]} 16. Bb6 {[%emt 0:13:23]} Qd7 {[%emt 0:05:47]} 17. Rfd1 {[%emt 0:01:03]} Qf5 {[%emt 0:06:44]} (17... Be6 $14) 18. Re1 {[%emt 0:04:32]} (18. h3 $16 Bxf3 19. Bxf3) 18... Rac8 {[%emt 0:06:32]} 19. Rcd1 {[%emt 0:14:00]} (19. h3 $5 {[%cal Rh3g4]} Bxf3 20. Bxf3 $16) 19... Qg6 {[%emt 0:06:06]} 20. Be4 {[%emt 0:10:51]} Bf5 {[%emt 0:01:49]} 21. Bxf5 {[%emt 0:00:25]} Qxf5 {[%emt 0:00:09]} 22. Rd5 {[%emt 0:00:23]} Qf4 {[%emt 0:01:24]} 23. Rd7 {[%emt 0:01:14]} Ne5 {[%emt 0:04:31]} 24. Nxe5 {[%emt 0:02:24]} Bxe5 {[%emt 0:00:12]} 25. Qg3 $17 {[%emt 0:08:11] [#]} (25. g3 $14 {is the one way to stay ahead.} Qf6 26. Rxb7) 25... Rc1 $1 {[%emt 0:01:23]} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Torella, Rodolfo"]
[Black "Guimaraes, Diogo Duarte"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "2036"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "216"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,216,5,28,10,67,0,-12,10,4,15,3,-1,-1,10,7,-12,0,-47,-28,-35,-43,-76,-63,-70,-49,-52,-56,-40,-40,-70,-74,-143,-140,-144,-129,-121,71,72,60,70,45,2,77,70,17,33,14,0,0,0,0,0,0,-17,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1097,-1069,-2199,-2133,-1943,-1874,-1177,-1112,-29966,-29966,-5089,-755,-983,-686,-302,0,0,0,0,0,0,0,0,29978,29978,29979,-235,-235,-235,-235,-235,-235,-235,-235,-228,-228,-228,-228,-228,-228,-228,-228,-228,-228,-228,-228,-180,-158,-145,-105,-228,-228,-228,-228,-228,-228,-228,-228,-228,-228,-250,-228,-252,-235,-235,-251,-310,-268,-343,-261,-330,-250,-310,-261,-284,-228,-228,-228,-235,0,0,0,-228,-228,-228,-228,-228,-228,-228,0,-228,-228,-228,-228,-1870,-228,-228,-124,-1646,-228,-1598,-1199,-3531,-3040,-1865,-1634,-29984,-29985,-29985,-29986,-29988,-29989]} 1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 c6 (5... Nxc3 6. bxc3 Bc5 7. d3 O-O 8. Nf3 Nc6 9. O-O Bg4 10. h3 Bh5 11. g4 Bg6 12. Re1 e4 13. dxe4 Qxd1 14. Rxd1 Bxe4 15. Nd4 Bxg2 16. Kxg2 Rfd8 17. Be3 Ne5 18. Bf4 {½-½ (33) Mamedyarov,S (2801)-Giri,A (2782) chess.com INT 2018}) 6. Nge2 {C26: Vienna Game: 2...Nf6, sidelines} Bg4 (6... Nxc3 $11 7. Nxc3 Be6) 7. h3 (7. Nxd5 $14 cxd5 8. O-O) 7... Nxc3 $11 8. bxc3 {The position is equal.} Bh5 9. Rb1 $146 ({Predecessor:} 9. O-O Bd6 10. d3 Nd7 11. g4 Bg6 12. Ng3 Nf6 13. Rb1 Rb8 14. c4 {1-0 (29) Haessler,W (2255)-Berkov,M (1411) Jena 2009}) 9... Qc7 10. O-O Nd7 11. d3 Bd6 12. Be3 O-O 13. Qd2 Rae8 14. g4 Bg6 15. f4 f5 16. g5 Re7 17. Ng3 exf4 18. Bxf4 Nc5 19. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Ne6 20. Rxb7 (20. Bxd6 $142 Qxd6 21. Qf2) 20... Bc5+ $17 21. d4 Qxb7 22. dxc5 Nxc5 $2 (22... Nxf4 $17 {and life is bright.} 23. Qxf4 Qc7) 23. h5 $1 $16 Bf7 24. Nxf5 {And now Bxc6! would win.} Rd7 25. Qe3 Be6 (25... Ne6 $1 $11 {remains equal.}) 26. Bd6 {White threatens Nh6+! and mate.} (26. Nh6+ $5 gxh6 27. gxh6 $11) 26... Rxf5 27. Rxf5 {[%csl Gd6][%cal Rf5f8]} Rxd6 28. Qxc5 Qb6 $36 {[%mdl 2048] White is under pressure.} 29. Re5 Bxa2 30. Qxb6 axb6 $11 {[%mdl 4096] Endgame KRB-KRB} 31. Be4 h6 32. g6 {[%cal Re5e8]} Re6 33. Rxe6 Bxe6 {KB-KB} 34. Kf2 ({Wrong is} 34. Bxc6 $2 Bg4 $19) 34... Kf8 35. Bxc6 Bg4 36. Bf3 Bf5 37. Ke3 Ke7 38. Kd4 Kd6 39. Bd1 Bh3 40. c4 Bf1 41. Bf3 Bh3 42. c3 Bf1 43. Bd1 Bg2 44. Be2 Bh3 45. Ke4 Ke6 46. Kf4 Bg2 47. Bd3 Kd6 48. Kg3 Bc6 49. Kf4 Bb7 50. Be4 Bc8 51. Bd5 Bh3 52. Kg3 Bf1 53. Bf7 $2 {[%mdl 8192]} (53. Kf2 $11 Bh3 54. Kf3) 53... Be2 $1 $19 {[%cal Re2h5]} 54. Kh4 Ke5 55. Bg8 Ke4 56. Be6 Ke3 57. Bg4 Bxc4 58. Kg3 Bd5 (58... b5 $142 59. Bf5 Kd2) 59. Bf5 Bf3 60. Bg4 Bxg4 $2 ({Better is} 60... Be4 $19 61. Be6 Bd3) 61. Kxg4 {K3P-K3P} Ke4 $1 62. c4 Ke5 $1 63. Kg3 Kf5 {Hoping for ...Kg5.} 64. Kf3 Kg5 $2 {[%mdl 8192]} (64... Ke5 $11) 65. Ke4 Kxh5 66. Kd5 $4 {[%mdl 8192]} (66. Kf5 {mates} Kh4 67. Ke6 h5 68. Kf7 Kg4 69. Kxg7 Kf5 70. Kh7 Ke5 71. g7) 66... Kxg6 {KP-KP} 67. Kc6 h5 68. Kxb6 {KPP-KP} h4 69. c5 h3 70. c6 {intending c7.} h2 71. c7 h1=Q 72. c8=Q {KQ-KQ} Qb1+ 73. Ka6 Qa2+ 74. Kb5 Qb3+ 75. Ka5 Qa3+ 76. Kb5 Qd3+ 77. Kb4 Qd4+ $1 78. Kb3 (78. Ka5 $17 {was necessary.}) 78... Kg5 $1 79. Qe6 Kh4 80. Qg6 Qg4 81. Qh7+ Kg3 82. Kc2 Qe2+ 83. Kc1 g5 {[%cal Bg7g5,Bg5g4,Bg4g3][%mdl 32]} 84. Qc7+ Kg2 85. Qc6+ Qf3 86. Qc2+ Kg3 87. Qh7 g4 88. Kd2 Kg2 89. Qh5 g3 90. Qe5 Kg1 {...g2 is the strong threat.} 91. Qe1+ {[#]} Kh2 $1 92. Qe5 Kh1 $2 (92... Qf2+ $19 93. Kc3 Kg1) 93. Qe1+ $2 (93. Qa1+ $11 Kh2 94. Qh8+ Kg1 95. Qh6) 93... Kg2 {( -> ...Qf2+)} 94. Qe5 Qf2+ 95. Kd1 Qf1+ 96. Kd2 Qc4 {Strongly threatening ...Qa2+.} 97. Ke1 Qf1+ 98. Kd2 Qf3 99. Ke1 Kg1 100. Qg5 $2 (100. Kd2) 100... Qc3+ $2 (100... Qe4+ 101. Kd2 Qf3) 101. Ke2 {[#]} Qc2+ ({Black should try} 101... g2 $1 $19 {Threatens to win with ...Qb2+.} 102. Qh6 Qg3 103. Qc1+ Kh2 104. Qh6+ Qh3 105. Qf4+ Qg3 106. Qh6+ Qh3 107. Qf4+ Kh1) 102. Ke1 $2 {[%mdl 8192]} (102. Kf3 $17) 102... Qf2+ 103. Kd1 g2 104. Qh5 Qd4+ 105. Ke1 Qe4+ 106. Kd1 Kf2 {Black mates.} 107. Qc5+ Kg3 108. Qd6+ Qf4 {Accuracy: White = 41%, Black = 73%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Urquiza, Marcello de Albuque"]
[Black "Pimentel, Rafael Favarin G."]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2018"]
[BlackElo "1886"]
[Annotator "NA RC"]
[PlyCount "36"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,36,10,32767,32767,32767,2,32767,32767,8,32767,19,32767,14,32767,0,15,8,0,20,0,27,-87,-34,-80,-85,-78,-87]} 1. e4 {[%emt 0:00:00]} c6 {[%emt 0:03:34]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:03]} 3. Nd2 {[%emt 0:00:00]} dxe4 {[%emt 0:00:04]} 4. Nxe4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:03]} 5. Ng3 {[%emt 0:02:05]} h5 {[%emt 0:01:26]} 6. h4 {[%emt 0:03:09] LiveBook: 24 Games} Bg4 {[%emt 0:00:05]} 7. Be2 {[%emt 0:00:59]} Qc7 {[%emt 0:01:42]} 8. Bg5 {[%emt 0:03:07] B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} (8. Nf3 Nbd7 9. c3 e6 10. Ng5 Bd6 11. N3e4 Nxe4 12. Nxe4 Bxe2 13. Qxe2 Bf4 14. Bxf4 Qxf4 15. g3 Qc7 {1-0 (77) Plat,V (2443)-Jablonicky,F (2128) Kouty nad Desnou 2015}) 8... Nbd7 {[%emt 0:00:57]} 9. Qd2 {[%emt 0:00:12]} O-O-O {[%emt 0:02:07]} 10. O-O-O {[%emt 0:02:25]} e6 $146 {[%emt 0:09:38]} ({Predecessor:} 10... e5 11. Bxg4 hxg4 12. N1e2 g6 13. dxe5 Qxe5 14. Bf4 Qb5 15. Nc3 Qa5 {0-1 (49) Byambacogt,T-Krizanovic,Z Istanbul 2004}) 11. f3 {[%emt 0:03:22]} Bd6 {[%emt 0:07:47]} 12. Nf1 {[%emt 0:30:37]} Bf5 {[%emt 0:10:24]} 13. Ne3 {[%emt 0:00:15]} Bf4 {[%emt 0:00:29]} 14. Bxf4 {[%emt 0:07:43]} Qxf4 {[%emt 0:00:10]} 15. Nxf5 {[%emt 0:02:13]} Qxf5 {[%emt 0:01:25]} 16. Bd3 {[%emt 0:00:39]} (16. Nh3 $14 {keeps the upper hand.}) 16... Qd5 $1 {[%emt 0:00:39] Double Attack} 17. Ne2 {[%emt 0:00:06]} Qxa2 {[%emt 0:00:23]} 18. c4 {[%emt 0:06:05]} Qa1+ $17 {[%emt 0:07:41] Kb1 [%clk 0:34:18] Qa4 [%clk 0:43:58] Nc3 [%clk 0:34:31] a5 [%clk 0:43:53]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Nascimento, Pedro Henrique Alve"]
[Black "Brito, Vicente De Paulo Al"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2007"]
[BlackElo "2044"]
[Annotator "NA RC"]
[PlyCount "92"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 23,91,16,32767,32767,32767,32767,32767,32767,54,32767,32767,32767,18,6,48,35,32767,32767,79,66,156,148,158,45,97,50,53,13,31,0,36,32767,32767,32767,32767,-53,-51,-189,-267,-240,-216,-221,32767,32767,32767,32767,-214,-195,32767,32767,32767,32767,-470,-535,-137,32767,32767,32767,32767,-23,-8,-84,0,0,0,0,-5,0,0,0]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 5. Be2 {[%emt 0:00:00]} O-O {[%emt 0:00:24]} 6. Nf3 {[%emt 0:00:11]} e5 {[%emt 0:00:56]} 7. d5 {[%emt 0:00:10]} a5 {[%emt 0:00:06]} 8. Bg5 {[%emt 0:00:14]} h6 {[%emt 0:00:08]} 9. Bh4 {[%emt 0:00:07]} Na6 {[%emt 0:00:32]} 10. Nd2 {[%emt 0:00:12]} Qe8 {[%emt 0:01:18]} 11. O-O {[%emt 0:00:24]} Bd7 {[%emt 0:02:29]} 12. b3 {[%emt 0:03:43]} Nh7 {[%emt 0:00:47] E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7} 13. f3 {[%emt 0:00:13]} h5 {[%emt 0:00:27]} 14. Rb1 {[%emt 0:00:27]} (14. a3 Bh6 15. Rb1 Nc5 16. Qc2 f5 17. b4 axb4 18. axb4 Na4 19. Nd1 g5 20. Bf2 g4 21. fxg4 Bxd2 22. Qxd2 f4 23. gxh5 Ng5 {1-0 (75) Giri,A (2784)-Ding,L (2732) Wijk aan Zee 2015}) 14... Bh6 {[%emt 0:00:30]} 15. Kh1 {[%emt 0:00:10]} Kh8 {[%emt 0:06:35]} 16. a3 {[%emt 0:00:51]} Be3 {[%emt 0:05:04]} 17. Bf2 $146 {[%emt 0:01:02]} ({Predecessor:} 17. b4 axb4 18. axb4 f6 19. Qc2 Qe7 20. c5 g5 21. Be1 f5 22. c6 bxc6 23. dxc6 Be6 24. Bxa6 Bxd2 25. Bxd2 Rxa6 {1-0 (36) Vinot,S (2441)-Fekete,A (2315) ICCF email 2011}) 17... Bxf2 {[%emt 0:01:21]} 18. Rxf2 {[%emt 0:00:09]} f5 {[%emt 0:14:45]} 19. b4 {[%emt 0:00:44]} axb4 {[%emt 0:00:41]} 20. axb4 {[%emt 0:00:10]} Rd8 {[%emt 0:14:41]} 21. Qc2 {[%emt 0:15:16]} f4 {[%emt 0:02:36] [#]} (21... Qe7 $14) 22. c5 $1 {[%emt 0:00:33]} Nb8 {[%emt 0:07:56]} 23. cxd6 {[%emt 0:01:58]} ({Better is} 23. Rff1 $16) 23... cxd6 {[%emt 0:00:11]} 24. Nc4 {[%emt 0:01:09]} Qe7 {[%emt 0:02:32]} 25. Nb6 {[%emt 0:00:36]} Qh4 {[%emt 0:01:19]} 26. Bb5 {[%emt 0:01:36]} g5 {[%emt 0:01:11]} 27. Bxd7 {[%emt 0:00:37]} Nxd7 {[%emt 0:00:15]} 28. Nxd7 {[%emt 0:00:20]} Rxd7 {[%emt 0:00:09]} 29. Rff1 {[%emt 0:03:08]} g4 {[%emt 0:00:50]} 30. fxg4 {[%emt 0:04:58]} (30. Qf2 $15 Qxf2 31. Rxf2) 30... hxg4 {[%emt 0:01:00]} 31. g3 {[%emt 0:00:18]} fxg3 {[%emt 0:08:13]} 32. Qg2 {[%emt 0:01:25]} Rf3 {[%emt 0:08:14]} 33. Rxf3 {[%emt 0:00:44]} gxf3 {[%emt 0:00:21]} 34. Qxg3 {[%emt 0:00:27]} Qxg3 {[%emt 0:01:02]} 35. hxg3 {[%emt 0:00:01]} Ng5 {[%emt 0:00:44]} 36. Rb2 {[%emt 0:00:50]} Rc7 {[%emt 0:01:41]} 37. Rb3 {[%emt 0:01:54]} Rc4 {[%emt 0:14:16]} 38. Kg1 {[%emt 0:03:07]} f2+ $2 {[%emt 0:02:29]} (38... Kh7 $19 {and Black stays clearly on top.} 39. g4 Kg6) 39. Kf1 {[%emt 0:00:45]} Nxe4 {[%emt 0:00:07]} 40. Nxe4 {[%emt 0:00:24]} Rxe4 {[%emt 0:00:03]} 41. Kxf2 {[%emt 0:00:40]} Rd4 {[%emt 0:00:11]} 42. Ke3 {[%emt 0:00:32]} (42. Rc3 $11 {keeps the balance.}) 42... Rxd5 {[%emt 0:00:12]} (42... Kh7 $17 43. Rc3 Kg6) 43. Ke4 {[%emt 0:00:13]} Rd4+ {[%emt 0:00:41]} 44. Kf5 {[%emt 0:00:13]} Kg7 {[%emt 0:00:28]} 45. b5 {[%emt 0:00:35]} e4 {[%emt 0:03:15]} 46. Rc3 $11 {[%emt 0:03:29]} Rd5+ {[%emt 0:00:25]} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Chaves, Jorge Antonio Torre"]
[Black "Rodrigues, Nei Jorge"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1922"]
[BlackElo "1978"]
[Annotator "NA RC"]
[PlyCount "121"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,111,-154,32767,32767,32767,32767,32767,-185,-196,32767,-191,32767,-145,-165,-181,-168,32767,-155,32767,-244,32767,-298,-138,-102,-160,-228,-163,-161,-72,-141,-170,-147,32767,32767,32767,32767,32767,32767,32767,32767,-235,32767,-211,-217,-262,-272,-334,-327,-12,-23,-32,-25,-27,-89,32767,32767,32767,-50,-54,32767,-14,32767,32767,32767,-175,-153,-204,-225,32767,32767,32767,32767,-2,0,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,107,95,166,129,143,32767,116,0,158,32767,32767,186,396,555,514,634]} 1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 3. f4 {[%emt 0:00:21]} e5 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:46] B07: Pirc Defence: Miscellaneous Systems} exd4 {[%emt 0:02:11]} (4... Ngf6 5. Nc3 Be7 6. Bc4 Nb6 7. Be2 exd4 8. Nxd4 O-O 9. O-O c6 10. Bf3 c5 11. Nde2 Be6 12. Nd5 Nbxd5 13. exd5 Bd7 {½-½ (24) Horther Schneider,E (1839)-Benischek,W (2122) Bayerisch Eisenstein 2018}) 5. Bc4 {[%emt 0:02:20]} Nb6 {[%emt 0:03:52]} 6. Bb3 {[%emt 0:00:17]} c5 {[%emt 0:04:14]} 7. c4 $2 $146 {[%emt 0:00:55]} ({White should try Predecessor:} 7. c3 $11 c4 8. Ba4+ Nxa4 9. Qxa4+ Bd7 10. Qxc4 dxc3 11. Nxc3 Rc8 {0-1 (65) Gossmann,J (1755)-Sewald,J (1507) Cologne 2009}) 7... g6 {[%emt 0:06:55]} 8. O-O {[%emt 0:02:06]} Bg7 {[%emt 0:00:06]} 9. Nbd2 {[%emt 0:01:50]} Ne7 {[%emt 0:01:58]} 10. Qe1 {[%emt 0:02:10]} O-O {[%emt 0:00:21]} 11. f5 {[%emt 0:16:09]} gxf5 {[%emt 0:01:36]} 12. Nh4 {[%emt 0:01:32]} fxe4 {[%emt 0:07:11]} 13. Nxe4 {[%emt 0:00:21] [#]} Ng6 $1 {[%emt 0:01:12]} 14. Bg5 {[%emt 0:06:12]} f6 {[%emt 0:00:17]} 15. Nxg6 {[%emt 0:05:15]} hxg6 {[%emt 0:00:08]} 16. Qh4 {[%emt 0:02:14]} (16. Bh4 $17 {was worth a try.}) 16... Bf5 {[%emt 0:00:33]} 17. Bc2 {[%emt 0:09:36]} (17. Bd2 $142) 17... Bxe4 {[%emt 0:27:23]} (17... fxg5 $2 18. Nxg5 Qxg5 19. Qxg5 $17) (17... Nxc4 18. g4 $17) (17... Rf7 $19 18. b3 d3 19. Nxf6+ Bxf6 20. Bxf6 Qxf6 21. Qxf6 Rxf6 22. Bxd3 Raf8) 18. Qxe4 {[%emt 0:00:41]} Qe8 {[%emt 0:00:07]} ({Weaker is} 18... fxg5 19. Qxg6 Rf4 20. g3 $18) 19. Qxe8 {[%emt 0:00:33]} (19. Bf4 $17 {was worth a try.}) 19... Raxe8 {[%emt 0:00:46]} 20. Bf4 {[%emt 0:00:16]} Re2 {[%emt 0:01:31]} (20... Re6 $19 21. Rae1 Rxe1 22. Rxe1 Nxc4 23. Bxg6 Ne5) 21. Bd3 {[%emt 0:01:50]} (21. Bxg6 $15 d5 22. cxd5) 21... Rxb2 {[%emt 0:01:25]} 22. Bxd6 {[%emt 0:00:22]} Rc8 {[%emt 0:06:53]} 23. Rf3 {[%emt 0:02:53]} Rc6 {[%emt 0:05:33]} 24. Bf4 {[%emt 0:00:10]} f5 {[%emt 0:01:30]} 25. h4 {[%emt 0:05:15]} Bf6 {[%emt 0:01:26]} 26. Bc1 {[%emt 0:01:55]} Rb4 {[%emt 0:00:32]} 27. h5 {[%emt 0:00:48]} Nxc4 {[%emt 0:01:13]} 28. a3 {[%emt 0:01:21]} Ra4 {[%emt 0:01:44]} 29. Rg3 {[%emt 0:04:13]} Be5 {[%emt 0:04:14]} 30. Rg5 {[%emt 0:00:33]} Ne3 $2 {[%emt 0:02:09]} ({Black should play} 30... Nd6 $19 31. Rxg6+ Kf7) 31. Bb5 {[%emt 0:02:07] [#]} Raa6 $1 {[%emt 0:00:15]} 32. Bxa6 {[%emt 0:01:00]} Rxa6 {[%emt 0:08:07]} 33. Rb1 {[%emt 0:00:17]} (33. Bxe3 $1 $11 {was the only way to keep the balance.} dxe3 34. Rb1) 33... b6 {[%emt 0:03:07]} 34. Rxg6+ {[%emt 0:00:10]} Kf7 {[%emt 0:00:01]} 35. Rc6 {[%emt 0:07:27]} Ra4 {[%emt 0:00:36]} 36. h6 {[%emt 0:00:57]} Rc4 {[%emt 0:03:03]} 37. Bxe3 {[%emt 0:07:09]} dxe3 {[%emt 0:00:09]} 38. h7 {[%emt 0:10:25]} Kg7 {[%emt 0:01:34]} 39. Kf1 {[%emt 0:03:29]} Rc2 {[%emt 0:00:56]} ({Much less strong is} 39... Kxh7 40. Re1 $17) 40. Re1 {[%emt 0:02:54]} Bd4 {[%emt 0:01:08]} 41. Rc7+ {[%emt 0:00:52]} Kh8 {[%emt 0:00:13]} 42. Re2 {[%emt 0:00:15]} Rc1+ {[%emt 0:01:30]} 43. Re1 {[%emt 0:00:06]} Rc4 {[%emt 0:00:38]} 44. Rxa7 {[%emt 0:00:23]} f4 {[%emt 0:00:23]} 45. Rf7 {[%emt 0:00:46]} Bc3 {[%emt 0:00:23]} 46. Rb1 {[%emt 0:00:45]} Ba5 {[%emt 0:00:54]} 47. Rd1 {[%emt 0:00:34]} Bd2 {[%emt 0:01:04]} 48. Rb1 {[%emt 0:00:17]} Ba5 {[%emt 0:02:13]} 49. Rb2 {[%emt 0:00:48]} Rc1+ {[%emt 0:00:38]} (49... Ra4 $16) 50. Ke2 {[%emt 0:00:05]} Re1+ $1 $11 {[%emt 0:00:31]} 51. Kd3 {[%emt 0:00:28]} (51. Kf3 Rf1+ 52. Kg4 Rd1) 51... Rd1+ {[%emt 0:00:34] [#]} 52. Ke2 {[%emt 0:00:27]} (52. Ke4 $1 $16) 52... Rg1 $2 {[%emt 0:00:15]} 53. Kd3 {[%emt 0:00:15]} Rf1 {[%emt 0:00:43]} 54. g4 {[%emt 0:01:07]} Rd1+ $18 {[%emt 0:00:28]} (54... Rh1 {might work better.} 55. a4 (55. Rxf4 Kxh7 56. Kxe3 Kg6 $16) 55... Rxh7 56. Rxf4 Rh3) 55. Ke4 {[%emt 0:00:20]} Rd4+ {[%emt 0:00:36]} 56. Kf3 {[%emt 0:00:48]} c4 {[%emt 0:00:00]} 57. g5 {[%emt 0:00:27]} c3 {[%emt 0:00:36]} 58. Rg2 {[%emt 0:00:17]} Rd3 {[%emt 0:00:52]} 59. Re2 {[%emt 0:00:40]} Rd5 {[%emt 0:00:30]} 60. g6 {[%emt 0:00:17]} Rg5 {[%emt 0:00:18]} 61. Rf8+ {[%emt 0:00:09]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "7"]
[White "Reis, Virginia Lagrange M"]
[Black "Viana, Dirceu"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1750"]
[BlackElo "2201"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,100,50,38,33,55,8,41,39,55,27,64,58,54,52,61,52,61,54,57,52,56,51,62,31,48,46,56,47,57,21,46,39,59,54,62,49,53,53,64,56,52,0,61,37,42,35,46,46,62,63,77,69,69,36,37,33,29,32,35,36,41,20,37,22,61,54,61,53,45,51,52,61,80,78,201,195,241,262,237,248,327,36,22,22,26,20,14,-958,-959,-951,-930,-879,-875]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 Na5 4. Be2 d6 5. d4 cxd4 6. Nxd4 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} Nf6 7. f3 $146 ({Predecessor:} 7. Nc3 e6 8. O-O Be7 9. f4 O-O 10. Kh1 Nd7 11. Be3 a6 12. Qe1 Bh4 13. Qd2 Qc7 14. f5 Ne5 15. Bg5 Bxg5 16. Qxg5 f6 17. Qg3 {0-1 (47) Rocha,S (2400)-Bauer,C (2636) Nancy 2005}) 7... Bd7 8. c4 {White is slightly better.} Rc8 9. Na3 g6 10. Be3 Bg7 11. Qd2 a6 12. Rc1 O-O 13. O-O Nc6 14. Rfd1 Nxd4 15. Bxd4 Bc6 16. Rc2 Nd7 17. Be3 Qc7 18. b3 Rfd8 19. Qe1 Ra8 20. Nb1 Rdc8 21. Rdc1 a5 22. Qf2 Qd8 23. Nc3 Qf8 24. Qh4 Bf6 25. Qf2 ({White should play} 25. Qe1 $14) 25... Be5 (25... Bg7 $11) 26. Nd5 e6 27. Nc3 f5 28. exf5 gxf5 29. f4 Bf6 30. Bf3 Nc5 31. Bxc5 dxc5 32. Qe2 Bd4+ 33. Kh1 Re8 34. Bxc6 bxc6 35. Qf3 Qd6 36. Ne2 Rad8 37. Rd1 Kh8 38. Rcd2 e5 39. fxe5 Rxe5 40. g3 Qe6 41. Nf4 Re1+ (41... Qe8 $16) 42. Kg2 $18 Qe4 {[#]} 43. Rxe1 $1 Qxe1 44. Re2 Qb1 45. Qf1 $2 ({But not} 45. Qxc6 Rg8 $18) (45. Ne6 $18 Qg1+ 46. Kh3) 45... Qxf1+ $14 46. Kxf1 a4 47. Re6 axb3 48. Rxc6 $2 {[%mdl 8192] [#]} (48. axb3 $11 Rb8 49. Rxc6) 48... bxa2 $19 {Black is clearly winning.} 49. Ra6 a1=Q+ 50. Rxa1 Bxa1 {Accuracy: White = 46%, Black = 37%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Di Berardino, Diego Rafael"]
[Black "Menna Barreto, Felipe Kubiaki"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "2526"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,40,-9,-24,-7,-39,-35,-58,-65,-106,-104,-125,-133,-178,-185,-188,-179,-177,-168,-501,-491]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Nb3 Nf6 7. Be2 O-O 8. O-O d6 9. Bg5 a6 10. a4 Be6 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3)} 11. Re1 Rc8 12. Bf1 {LiveBook: 8 Games} Na5 {Black has an edge.} (12... Nd7 13. Qd2 Re8 14. Rad1 Na5 15. Nd4 Nc4 16. Nxe6 fxe6 17. Bxc4 Rxc4 18. Qd3 {0-1 (48) Onischuk,V (2612)-Nepomniachtchi,I (2705) Berlin 2015}) 13. Nxa5 $146 ({Predecessor:} 13. Nd5 Bxd5 14. exd5 Nxb3 15. cxb3 Rc5 16. Qf3 Nxd5 17. b4 Nxb4 18. Bxe7 {½-½ (67) Cuijpers,F (2481)-Bitalzadeh,A (2419) Netherlands 2009}) 13... Qxa5 14. Bd2 Qb6 15. Qc1 Ng4 16. Be3 Nxe3 17. Qxe3 Qxb2 {[%mdl 64] [#] Double Attack} 18. Nd5 Bxd5 $1 ({Don't play} 18... Rxc2 19. Rab1 $17) 19. exd5 Bd4 20. Rab1 $2 (20. Qd3) 20... Qxb1 $1 ({Less strong is} 20... Bxe3 21. Rxb2 Bd4 22. Rxb7 $17) 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Hoffman, Alejandro"]
[Black "Galego, Luis"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2479"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,90,11,5,8,0,5,0,25,16,14,19,19,14,17,12,15,8,6,8,20,0,0,5,19,0,0,0,0,-4,22,0,0,0,5,0,0,0,0,10,80,19,7,0,0,0,41,31,25,42,45,-83,-85,-114,-107,-109,-95,-133,-130,-136,-118,-123,-97,-137,-127,-152,-158,-297,-294,-285,-293,-362,-365,-361,-362,-362,-364,-357,-333]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. a3 Be7 7. Bd3 c5 8. b3 {LiveBook: 9 Games. E11: Bogo-Indian} dxc4 9. bxc4 cxd4 10. exd4 {The position is equal.} b6 11. Bb2 Bb7 12. O-O Nbd7 13. Qe2 Re8 14. Rad1 Qc7 15. Rfe1 Rad8 16. Bb1 $146 Qf4 17. h3 Qc7 18. Rc1 Qb8 19. Nh2 Bd6 20. Ng4 Bf4 21. Ne3 Qa8 22. Ndf1 Rc8 23. Rcd1 h6 24. Ba2 Bd6 25. d5 exd5 26. cxd5 Be5 (26... Qb8 $11) 27. d6 (27. Ng3 $16) 27... Rc5 $11 28. Bxe5 Rexe5 29. Qd3 Bc6 30. Ng3 Ba4 $1 {[%cal Ra4d1]} 31. Ra1 Kf8 32. Nc4 (32. Qd4 $14 {keeps the upper hand.} Bc6 33. Rac1) 32... Bb5 $17 {aiming for ...Rxe1+.} 33. Qd4 Qd5 (33... Rxe1+ {seems wilder.} 34. Rxe1 Qd5 35. Qxd5 Nxd5 36. Nb2 N5f6) 34. Qxd5 Rexd5 35. Rac1 Bxc4 36. Rxc4 Rxc4 37. Bxc4 Rxd6 38. Re3 g6 39. Bb5 Nc5 40. Ne2 (40. Be2 $17) 40... a6 $19 41. Bc4 b5 42. Bb3 Rd2 {Black is winning.} 43. Nc1 Rb2 44. Rc3 Nfe4 $1 {[%csl LRc3,LRf2]} 45. Rc2 Rxb3 {Accuracy: White = 38%, Black = 64%.} ({Don't do} 45... Nxb3 46. Rxb2 Nxc1 47. Rc2 $19) 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Perdomo, Leandro"]
[Black "Brito, Luismar"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2476"]
[BlackElo "2349"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,47,0,7,-8,-12,-8,-7,-10,18,-13,-6,-11,5,5,15,5,25,0,0,0,4,0,5,7,7,10,16,10,18,17,65,61,49,16,22,0,7,0]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. cxd5 exd5 6. Qc2 Bg4 7. Ne5 {D35: Queen's Gambit Declined: Exchange Variation} (7. Bg5 Be7 8. e3 Bxf3 9. gxf3 Nbd7 10. O-O-O Nh5 11. Bxe7 Qxe7 12. Ne2 g6 13. Kb1 Qh4 14. Ng3 Ng7 15. Qb3 Rb8 16. Qa3 {½-½ (42) Turov,M (2600)-Najer,E (2668) Yaroslavl 2018}) 7... Bh5 8. Bg5 Be7 9. e3 Nfd7 10. Bf4 Nxe5 11. Bxe5 O-O 12. Bd3 Bg6 13. Bxg6 hxg6 14. O-O Nd7 15. Bg3 Nf6 $146 ({Predecessor:} 15... Re8 16. Rab1 {1-0 (50) Malesevic,N (2255)-Thorgeirsson,S (2217) Sweden 2013}) 16. f3 Re8 17. Rad1 Bb4 18. Rfe1 Re6 19. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Qe7 20. e5 Nd7 21. Re3 Qg5 22. Qf2 Qf5 23. a3 Ba5 24. Qe2 {Accuracy: White = 53%, Black = 65%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Romanishin, Oleg M"]
[Black "Souza Neves, Andrey M."]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2435"]
[BlackElo "2074"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,97,14,0,37,37,42,40,31,33,37,30,29,22,27,23,29,20,18,20,27,13,20,8,19,0,4,0,0,0,0,0,0,0,0,0,8,8,8,8,47,45,55,46,53,8,128,128,128,135,113,100,124,126,345,349,328,310,672,611,1599,1610,1680,1601,1423,1424,1310,735,5425,5425,5413,5389,29988,29989,29989,29990,29990,29991,29997,29997]} 1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 d5 6. O-O e5 7. Nb3 Be6 8. c4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (8. Bg5 Nbd7 9. e4 dxe4 10. Bxe4 Qc7 11. Bg2 Be7 12. Nc3 O-O 13. Re1 Rad8 14. Qe2 h6 15. Bxf6 Bxf6 {½-½ (107) Caruana,F (2802)-Nakamura,H (2786) chess.com INT 2017}) 8... Nc6 9. cxd5 Bxd5 10. Nc3 Bxg2 11. Kxg2 {LiveBook: 5 Games} Be7 12. e4 $146 ({Predecessor:} 12. Qxd8+ Rxd8 13. Bg5 Nd5 14. Nxd5 Rxd5 15. e4 Rb5 {½-½ (35) Toma,R (2343)-Jarmula,L (2466) Khanty-Mansiysk 2016}) 12... h6 13. Be3 Qxd1 14. Rfxd1 O-O 15. Rac1 Rfd8 16. Kf3 Rxd1 17. Rxd1 Rd8 18. Nd5 Kf8 19. a3 Ke8 20. h4 h5 21. Rd2 Ng4 22. Nc7+ Kf8 23. Rxd8+ Bxd8 24. Bc5+ Be7 25. Nd5 Bxc5 26. Nxc5 $11 {[%mdl 4096] Endgame KNN-KNN} b6 27. Nb7 Ne7 {White must now prevent ...Nxd5.} 28. Nd6 Nxd5 $1 29. exd5 {KN-KN} Nf6 30. Nc8 Nxd5 31. Ke4 Nf6+ $1 32. Kf5 e4 (32... Ng4 $11 {remains equal.}) 33. Nxa7 $16 Ng4 34. Kxe4 Nxf2+ {[#]} 35. Kf3 $1 {[%cal Rf3f2]} Nd3 36. b4 Ne5+ $2 {[#]} (36... Ke8 $16) 37. Ke4 $1 $18 {[%cal Re4e5]} Nc4 38. a4 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32]} Ke7 $2 (38... Nb2 39. a5 bxa5) 39. Kd5 Nb2 40. Nc8+ Kd7 41. Nxb6+ Kc7 42. a5 Nd1 43. Kd4 Nf2 44. Nd5+ Kb7 45. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} Nh1 46. a6+ {White mates.} Ka7 47. Kc5 Nf2 48. Nb4 Ng4 49. b6+ {Precision: White = 73%, Black = 43%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Roselli Mailhe, Bernardo"]
[Black "Von Buelow, Georg"]
[Result "1/2-1/2"]
[ECO "D80"]
[WhiteElo "2421"]
[BlackElo "2354"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,60,-2,-20,-14,-12,-4,-14,-2,0,12,17,13,39,-16,0,0,0,0,0,0,0,0,0,0,0,-26,-18,-20,-17,-37,-5,-41,-50,-60,0,0,0,0,0,0,278,278,278,274,266]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 dxc4 7. e3 Be6 8. Be2 {D80: Grünfeld: Unusual White 4th moves and 4 Bg5} (8. Nf3 Bg7 9. Qb1 Qd5 10. Be2 Bf5 11. Qb4 c5 12. Qb5+ Bd7 13. Qxc4 Bc6 14. Qb3 e6 15. c4 Qd7 16. Ne5 Qc7 17. O-O {½-½ (124) Wei,Y (2743)-Svidler,P (2768) Wijk aan Zee 2018}) 8... Nd7 9. d5 Bf5 {LiveBook: 3 Games} 10. Qd4 {The position is equal.} Rg8 $1 {aiming for ...b5.} 11. Qxc4 Nb6 12. Qb5+ c6 $146 ({Predecessor:} 12... Qd7 13. Nf3 Bg7 14. Nd4 Qxb5 15. Bxb5+ Kf8 16. Nxf5 gxf5 {0-1 (62) Benidze,D (2480)-Savchenko,B (2602) Canakkale 2016}) 13. dxc6 bxc6 14. Qb3 Be6 15. c4 (15. Qc2 $1 $14) 15... g5 16. Bg3 g4 17. h3 h5 $1 18. hxg4 hxg4 19. Rh5 Bg7 20. Rd1 Qc8 21. Qc2 Qa6 22. Kf1 {[#] Strongly threatening c5.} Qa4 23. Qh7 Kf8 24. Qd3 Bf6 {[%cal Re6c4]} 25. Rh7 {Threatening mate with Qd8+!} Ke8 (25... c5 $15) 26. Bc7 $1 $40 {[%mdl 128] Intending Qd8+! and mate. White is up to no good.} Nd7 27. Rh5 Rc8 28. Ra5 Qxc4 $2 {[%mdl 8192] [#]} (28... Qb4 $1 $11 {and Black stays safe.} 29. Rxa7 Rh8) 29. Qb1 $1 $18 {[%cal Rb1b7]} ({Weaker is} 29. Qxc4 Bxc4 30. Rxa7 (30. Bxc4 Rxc7 31. Ne2 e6 $15) 30... Bxe2+ 31. Nxe2 Rg5 $14) 29... Rxc7 30. Bxc4 Bxc4+ {[%mdl 32768] Accuracy: White = 64%, Black = 84%. . An unexpected result.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Rodi, Luis Ernesto"]
[Black "Matsuura, Everaldo"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2327"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,79,17,27,0,7,-32,-22,-13,-45,-44,0,0,0,-113,-107,-119,-114,-114,-121,-120,-57,-317,-312,-387,-386,-390,-359,-350,-240,-246,-245,-555,-331,-928,-929,-29993,-418,-377,-330,-668,-667,-870,-914,-851,-810,-2377,33,31,33,33,159,-662,-687,-1995,-1964,-964,147,-1293,-1160,-1013,-295,-3058,-585,-462,633,630]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. b3 Ne7 6. Bb2 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} Qc7 (6... Ng6 7. h4 h5 8. d3 f6 9. e5 d5 10. exd6 Bxd6 11. Nfd2 e5 12. Nc4 Be7 13. Nc3 Be6 {0-1 (39) Adams,M (2745)-Nakamura,H (2775) London 2014}) 7. O-O Ng6 8. e5 Be7 {LiveBook: 4 Games} 9. Re1 O-O 10. c3 $146 ({Predecessor:} 10. d3 f6 11. Nbd2 fxe5 12. Nxe5 Nxe5 13. Bxe5 d6 14. Bg3 e5 15. c3 Bf5 16. Nc4 Rae8 17. Qd2 Bf6 18. d4 cxd4 19. cxd4 {1-0 (56) Escobar Medina,A (2132)-Ruiz,A (2192) Bogota 2014}) 10... f6 {[%cal Rf6e5]} 11. d4 cxd4 12. cxd4 Bb7 13. Nbd2 fxe5 14. dxe5 (14. Nxe5 $11 {was the only way to keep the balance.} c5 15. Rc1) 14... c5 15. Re3 Rf5 16. Rc1 Raf8 17. Ne4 Nf4 (17... Bd5 $17) 18. Nfd2 $2 {[%mdl 8192] [#]} (18. Ne1 $15) 18... Nxg2 $1 $19 {[%mdl 512]} 19. Kxg2 Rxf2+ $1 20. Kg1 Bxe4 $1 21. Rxe4 Qc6 22. Rg4 {With the idea Bd4!} h5 $1 {[%cal Rh5g4][%mdl 1024] Black has strong compensation.} 23. Rg6 $2 (23. Bd4 {was the crucial defense.} Rxd2 24. Qxd2 hxg4 25. Bf2) 23... Qd5 24. Nc4 $2 (24. Nf3 Rxb2 25. Qxd5 exd5 26. Rg2 Rxg2+ 27. Kxg2) 24... Qe4 $1 {[%cal Re4g6]} 25. Rg3 h4 (25... Qh4 $142 26. Qxh5 Qxh5 27. h3 Qh4 28. Rcc3 Rf1+ 29. Kh2 R8f2+ 30. Rg2 Rxg2+ 31. Kxg2 Qf2#) 26. Qg4 {[%csl Gg3][%cal Rg4g7]} Qh7 $1 27. Rg2 $2 (27. Re3 R8f4 28. Qh3 Qg6+ 29. Kh1) 27... R8f4 28. Qg6 {Strongly threatening Qxh7+.} Rxg2+ $1 29. Qxg2 h3 $1 {[%cal Rh3g2]} 30. Qe2 Re4 $2 (30... Bh4 $19 31. Kh1 Rf2) 31. Qf3 $14 {And now Bc3 would win.} Bg5 32. Rf1 $1 {[%csl Gf1][%cal Rf3f8]} Qg6 ({Black should try} 32... Qh4 $1 $14) 33. Kh1 $2 (33. Qxh3 $16 Bc1+ 34. Kh1 Bxb2 35. Rg1 (35. Nxb2 Rxe5 36. Nc4 Rh5 $16)) 33... Rf4 $1 $19 {[%cal Rf4f3]} 34. Qa8+ Kh7 {[%cal Rf4f1]} 35. Rg1 Qf5 $2 ({Black should play} 35... Qc2 $19 {( -> ...Rf2)} 36. Nd6 Qxb2) 36. Ne3 $2 {[%mdl 8192]} (36. Nd6 $16 Qd3 37. Bc1) 36... Qd3 $1 37. Bc1 Bh4 $2 (37... Rf2 38. Nd1 Rf8) 38. Ng4 $2 {[#]} (38. Ng2 hxg2+ 39. Qxg2) 38... Re4 (38... Rf8 $142 $3 {[%mdl 512]} 39. Qb7 (39. Qxf8 Qe4+) 39... Rb8 $1 {[%mdl 512]}) 39. Be3 Bg5 $4 {[%mdl 8192]} (39... Rxe3 $19 40. Nf6+ Bxf6 41. exf6 {[#]} Re1 $1 {[%mdl 512]}) 40. Nf2 {Precision: White = 24%, Black = 52%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Guimaraes, Diogo Duarte"]
[Black "Lebredo Zaragoitia, Gerardo"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2272"]
[BlackElo "2139"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,87,0,1,7,11,10,-10,-16,-5,-15,-14,7,-195,-191,-189,-187,-185,-180,-252,-252,-247,-199,-298,-235,-236,-237,-237,-245,-265,-270,-259,-266,-268,-271,-315,-291,-383,-385,-377,-297,-283,-259,-294,-281,-300,-295,-254,622,613,801,773,860,553,546,540,783,533,5306,5306,5173,676,683,450,29983,29984,29984,664,29985,29986]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Nc3 d6 6. O-O a6 7. Re1 {B40: Sicilian: 2...e6, Unusual lines} (7. d4 cxd4 8. Nxd4 Bd7 9. Nxc6 Bxc6 10. a4 Be7 11. a5 O-O 12. Be3 Rc8 13. Re1 Nd7 14. Na4 f5 15. Nb6 Nxb6 16. Bxb6 Qd7 17. c4 e5 18. exf5 Qxf5 19. Bd5+ Kh8 20. Ra3 Rf6 21. Rf3 Qxf3 22. Bxf3 Rxf3 {½-½ (37) Safarli,E (2657)-Andreikin,D (2720) Berlin 2015}) 7... Be7 8. d3 O-O 9. e5 dxe5 10. Nxe5 Nxe5 11. Rxe5 {LiveBook: 3 Games} Rb8 12. a4 b6 13. Bg5 $146 ({Predecessor:} 13. Re1 Bb7 14. Bxb7 Rxb7 15. Qf3 Rd7 16. Be3 {1-0 (43) Drakopoulos,P-Papadopoulos,A Chalkida 2008}) 13... Bb7 14. Bxb7 Rxb7 15. Qf3 Rc7 {...Nd7 is the strong threat.} 16. Rae1 $2 (16. Re2 $11 {and White has nothing to worry.}) 16... Nd7 $19 17. Bf4 Nxe5 18. Bxe5 Bd6 19. Qg4 (19. Bf4 {was called for.}) 19... Bxe5 20. Rxe5 Qd4 21. Qe2 (21. Re4 {was the only defense.} Qd6 22. Qf3) 21... c4 22. Re4 cxd3 23. cxd3 Qd7 24. Rb4 Qd6 25. Rh4 Rd8 26. d4 a5 27. Qh5 h6 28. Rg4 {Now Qxh6 and White clings on.} f5 29. Rg6 Qxd4 30. Rxe6 Rf8 31. Qf3 f4 {Hoping for ...fxg3.} 32. g4 Rd7 33. Kg2 Rd6 $4 {[%mdl 8192]} (33... Qd2 $19 34. Rxb6 Rd3) 34. Nb5 $1 $18 {[%csl LRd4,LRd6][%mdl 64] [#] Double Attack} Qxa4 35. Nxd6 Qb4 36. Qd5 {Threatening mate with Rxh6+.} f3+ 37. Kh3 Kh8 38. Re4 Qxb2 39. Nf7+ Kh7 40. Qf5+ (40. g5 $142 h5 {[#]} 41. g6+ $1 {[%mdl 576] Discovered Attack, Decoy} Kxg6 42. Re6+ {[%mdl 64] Discovered Attack} Qf6 43. Rxf6+ Kxf6 44. Nd6) 40... Kg8 41. Re7 {Nxh6+! would kill now.} Qf6 (41... Qc1 $18) 42. Qxf6 {[%mdl 64] Overworked Piece} gxf6 43. Nxh6+ Kh8 44. Kh4 {Accuracy: White = 48%, Black = 54%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Teixeira, Ricardo Da Silva"]
[Black "Chaves, Jorge Antonio Torre"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2239"]
[BlackElo "1922"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,89,56,95,56,51,53,51,50,78,75,99,100,111,110,108,84,111,106,128,124,137,159,166,166,154,165,176,131,171,140,345,344,362,361,504,510,508,494,498,489,662,649,756,763,719,735,734,722,679,456,768,789,709,581,918,795,2597,2541,29962,6041,29974,11424,29975,29972,29973,29963,29984,29985,29995,29995]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 d6 7. Be2 Bg7 8. Be3 O-O 9. O-O Nxd4 10. Bxd4 Be6 11. Rc1 Qa5 12. a3 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0} (12. b3 a6 13. Qd3 Nd7 14. Bxg7 Kxg7 15. Qd2 Nf6 16. Qb2 Qe5 17. f3 g5 18. Kh1 Rg8 19. Bd3 Kh8 20. Na4 Qxb2 21. Nxb2 {½-½ (46) Stocek,J (2568)-Voloshin,L (2370) Ostrava 2018}) 12... Rfc8 13. Nd5 Qd8 $146 ({Predecessor:} 13... Bxd5 14. exd5 Qd8 15. Re1 Qd7 16. Bxf6 exf6 17. Bf1 f5 18. Qd2 Re8 19. b4 b6 20. Rxe8+ Rxe8 {½-½ (52) Diaz,M-Oney,F (2005) Yerevan 1996}) 14. Nxf6+ {White is slightly better.} exf6 15. Qd2 Rc6 16. Rfd1 b6 17. b3 Rac8 18. Bc3 Qf8 19. a4 a5 20. f4 Rd8 21. Bf3 Rcc8 22. Bd4 Rb8 23. Qf2 Rdc8 24. g4 Bh6 25. Qg3 b5 $2 (25... Qe7 $16 26. Bb2 Rd8) 26. axb5 $18 a4 27. bxa4 Bxc4 28. g5 fxg5 29. fxg5 Bg7 30. Bxg7 Qxg7 31. Qxd6 Bb3 32. Rxc8+ Rxc8 {[#]} 33. Qd8+ $3 {[%mdl 512]} Qf8 (33... Rxd8 34. Rxd8+) 34. Qxf8+ Kxf8 {[%mdl 4096] Endgame KRB-KRB} 35. Rd4 Rc1+ (35... Rb8 $142 36. Be2 Ra8) 36. Kf2 Rc2+ 37. Kg3 Ke7 38. b6 {Black must now prevent b7.} Rc8 39. b7 Rb8 40. e5 Ke6 41. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32] Intending a6 and mate.} Kxe5 {[#]} 42. a6 $1 {[%mdl 512] White mates.} Kxd4 43. a7 Re8 44. b8=Q Re3 45. Qb6+ {Accuracy: White = 82%, Black = 36%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Barreto, Ignacio C. De Barro"]
[Black "Rodriguez Vila, Andres"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2222"]
[BlackElo "2482"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,82,-10,-3,-25,25,0,22,0,11,0,0,0,0,-10,4,-14,-20,-52,-49,-59,-58,-97,-90,-99,-98,-84,-94,-162,-175,-162,-160,-135,-101,-105,-83,-90,-73,-133,-77,-42,-69,-113,-63,-68,-61,-68,-60,-99,-102,-104,-48,-41,-41,-39,-41,-93,-96,-224,-218,-275,-247,-337,-346]} 1. d4 e6 2. Nf3 c5 3. g3 cxd4 4. Nxd4 d5 5. Bg2 Nc6 6. O-O Qb6 7. Nb3 Nf6 8. Nc3 Be7 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} 9. Be3 Qd8 10. Bc5 Bxc5 11. Nxc5 O-O {LiveBook: 4 Games} 12. Nd3 $146 ({Predecessor:} 12. Nb3 Qb6 13. a4 Rd8 14. a5 Qc7 15. Qd2 e5 16. Rfd1 {1-0 (58) Fomichenko,E (2385)-Almeida Quintana,O (2475) Banyoles 2006}) 12... d4 13. Ne4 Nd5 14. c4 dxc3 $1 15. Nxc3 Nxc3 16. bxc3 Qc7 17. Qa4 Na5 18. Rab1 Rb8 19. Rb5 b6 {Threatens to win with ...Bd7.} 20. Rh5 g6 21. Qh4 {[#]} f6 $1 ({Much weaker is} 21... gxh5 $6 22. Qg5+ Kh8 23. Qf6+ Kg8 24. Qg5+ Kh8 25. Qf6+ Kg8 26. Qg5+ $11) 22. Rh6 Qg7 23. g4 Bb7 24. f4 (24. g5 $17 fxg5 25. Qxg5) 24... Nc4 $19 {aiming for ...Bxg2.} 25. Bxb7 Rxb7 ({Much less strong is} 25... Qxb7 26. Rf3 $15) 26. Rf3 f5 27. Rh3 fxg4 28. Qxg4 Qf6 29. e4 (29. Qh4 $142) 29... Rff7 ({Better is} 29... Nd2 30. e5 Qf5 31. Qxf5 Rxf5) 30. e5 $17 Qf5 $1 {[%cal Rf5g4]} 31. R6h4 Rbd7 (31... Rfd7 {feels hotter.} 32. Qe2 Rbc7 33. Rg3 Kh8 34. Rhh3 b5) 32. Qxf5 $1 Rxf5 33. Nf2 g5 $36 {[%mdl 2048] Black has some pressure.} 34. fxg5 Rxg5+ 35. Rg4 Rd1+ (35... Rg6 $17 36. Rxg6+ hxg6) 36. Kg2 $1 $15 Rxg4+ 37. Nxg4 Rd2+ 38. Kg3 ({White should try} 38. Kf3 $15) 38... Kg7 $17 39. Kh4 (39. Kf4 $17) 39... Rxa2 $19 40. Rf3 Re2 41. Rf6 Nxe5 {Accuracy: White = 35%, Black = 58%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Viana, Dirceu"]
[Black "Almeida, Gianluca Jorio"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2201"]
[BlackElo "2109"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,115,-7,-6,0,0,12,10,10,11,37,-221,53,55,129,129,124,135,129,127,129,120,156,152,214,196,220,220,243,216,246,240,247,234,269,288,339,339,349,341,325,285,331,279,278,278,277,273,256,238,323,322,422,408,400,408,410,403,418,418,414,404,544,507,554,542,472,451,468,371,763,719,624,626,1362,1261,1176,999,2079,1997,1912,1789,29970,29970,29961,12279,6597,5206,6563,6460,4627,2451]} 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 c5 5. cxd5 exd5 6. d4 Nc6 7. Be2 Be7 8. O-O O-O 9. dxc5 Bxc5 10. b3 a6 11. Bb2 Re8 12. Rc1 Ba7 13. Qd3 {D32: Tarrasch Defence: Sidelines and lines without g3} Be6 14. Rfd1 {[#] LiveBook: 4 Games} Qd7 $146 ({Predecessor:} 14... Qe7 15. Na4 Ne4 16. Nd4 Bd7 17. Nc2 Rad8 18. Bf3 Ne5 19. Bxe5 Bb5 20. Qxd5 Rxd5 21. Rxd5 Bc6 22. Ra5 Qd8 {0-1 (22) Jorczik,J (2316)-Gashimov,V (2644) Dresden 2007}) 15. Na4 {The position is equal.} Ne4 {[#] Threatens to win with ...Nb4.} 16. Ne5 Nxe5 17. Bxe5 Qd8 18. f3 $2 {[%mdl 8192] [#]} (18. Bd4 $14 {keeps the upper hand.}) 18... Qg5 $2 ({Black should try} 18... Bf5 $1 $19 19. fxe4 Rxe5) 19. Bd4 $36 {[%mdl 2048] Black is under pressure.} Bf5 (19... Bxd4 $14 20. Qxd4 Nd6) 20. Bxa7 $16 Ng3 21. Qd2 Nxe2+ 22. Qxe2 Rxa7 23. Rxd5 {Hoping for g4.} b5 24. Nc5 {And now Ne4! would win.} Rae7 (24... Qf6 $16 {was worth a try.} 25. Rcd1 h6) 25. Rcd1 ({Stronger than} 25. Nxa6 Rxe3 26. Qd2 Qe7 $11) 25... g6 26. e4 {Qf2 is the strong threat.} ({Resist} 26. Nxa6 $6 Rxe3 27. Qd2 Qf6 $14) 26... Qf6 27. Qd2 Be6 28. Rd6 Qe5 29. Qd4 Qg5 30. Nxa6 Bh3 {[%csl Gh3][%cal Rg5g2]} 31. Qd2 Qxd2 32. R1xd2 ({Don't do} 32. R6xd2 Be6 $18) 32... Be6 33. Nc5 Ra7 34. Nxe6 Rxe6 35. Rxe6 fxe6 $18 {[%mdl 4096] Endgame KR-KR} 36. Kf2 Kf7 37. Ke3 e5 38. Kd3 Rc7 39. Rc2 Rd7+ 40. Kc3 Rc7+ 41. Kb2 Rd7 42. Ka3 Rd4 43. Rc7+ Kf6 44. Rxh7 b4+ 45. Ka4 Rd2 46. Kxb4 Rxa2 47. Kc5 Rxg2 $2 (47... Rc2+ 48. Kb5 Rxg2) 48. b4 {[%cal Bb3b4,Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Rc2+ 49. Kb6 Kg5 50. b5 Kf4 51. Rf7+ Ke3 52. h4 Rh2 53. Kc7 Rxh4 54. b6 Rh1 55. b7 Rc1+ {White is clearly winning.} 56. Kd6 Rb1 57. Kxe5 g5 58. Kd5 {Accuracy: White = 73%, Black = 25%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Souza, Wellington"]
[Black "Dos Santos, Vitor Eduardo Mello"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2120"]
[BlackElo "2054"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,66,6,15,-8,-3,-16,0,-38,-9,-9,-9,-36,-19,-60,-14,-231,17,-24,-11,-16,0,-14,-8,-72,537,345,339,348,338,345,345,348,347,349,339,351,352,311,382,374,462,462,446,439,439,386,386]} 1. d4 Nf6 2. c4 c5 3. e3 cxd4 4. exd4 d5 5. Nc3 Nc6 6. cxd5 Nxd5 7. Bc4 e6 8. Nf3 Nb6 9. Be2 Be7 10. O-O O-O 11. Be3 Nd5 12. Nxd5 {B22: Sicilian: 2 c3} (12. Rc1 Bf6 13. Ne4 Be7 14. Nc5 Nb8 15. Bd3 b6 16. Ne4 Bb7 17. Bb1 Nd7 18. a3 N7f6 19. Qd3 Nxe4 20. Qxe4 {½-½ (84) Moser,E (2440)-Pergel,L (2277) Oberwart 2010}) 12... Qxd5 13. Qc2 Bd7 $146 ({Predecessor:} 13... Bf6 14. Bc4 Qh5 15. Qe4 Qg6 16. Qf4 Ne7 17. Nh4 Qh5 18. Nf3 Qf5 19. Rac1 Rd8 {½-½ (45) Bishop,J (1333)-Chen,P (1721) Sandy Bay 2010}) 14. Rfd1 {The position is equal.} Rfd8 (14... Nb4 $5 {[%cal Rb4c2]} 15. Qd2 Rac8 $15) 15. a3 Rac8 16. Qd3 a6 17. b4 h6 18. Nd2 $2 {[#]} (18. Qb1 $11 {and White is okay.}) 18... Be8 $2 (18... Nxb4 $1 $19 {[%mdl 512]} 19. Qb1 (19. axb4 Bb5) 19... Nc2 {[%mdl 64] Double Attack}) 19. Bf3 Qd7 {[%cal Rc6d4]} 20. Nc4 {And now Nb6 would win.} Qc7 $1 21. Rac1 b5 22. Na5 {[#]} (22. Nd2 $11 {keeps the balance.}) 22... Qb6 $2 {[%mdl 8192]} (22... Nxd4 $1 $17 {[%mdl 512]} 23. Rxc7 (23. Bxd4 $2 Qxc1 24. Rxc1 Rxc1+ 25. Bd1 Bf6 $19) 23... Nxf3+ {[%mdl 64] Discovered Attack} 24. gxf3 Rxd3 25. Rxc8 Rxd1+ 26. Kg2 Rd8) 23. Nxc6 ({And not} 23. d5 Qb8 $11) 23... Bxc6 24. Bxc6 Rxc6 {[#]} 25. d5 $1 Rxd5 26. Qxd5 exd5 27. Bxb6 Rxb6 28. Rxd5 $18 {[%mdl 4096] Endgame KRR-KRB} Bf6 29. g3 Kh7 30. Rc2 Rb7 31. Rc6 Ra7 32. Rdd6 a5 33. bxa5 Rxa5 {Accuracy: White = 44%, Black = 29%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Maia, Jose Eduardo Bastos"]
[Black "Dos Santos, Rodrigo Mello"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2093"]
[BlackElo "1965"]
[Annotator "NA RC"]
[PlyCount "97"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,97,7,31,-17,-6,5,-4,0,16,-10,-22,-10,-9,-21,-27,-26,-6,-16,-22,-47,-41,-56,-29,-42,-37,-31,-18,-10,0,-1,54,13,19,21,18,0,0,-4,58,27,49,21,52,59,59,78,103,97,223,210,219,107,339,341,462,211,259,207,237,262,274,296,497,420,863,918,1375,1552,1700,811,802,472,1232,508,441,522,554,631,655,650,572,476,29984,29983,29992,29993,29994,29995,29995,29996]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:00:05]} 3. c3 {[%emt 0:00:00]} b6 {[%emt 0:01:02]} 4. Bf4 {[%emt 0:00:08]} Bb7 {[%emt 0:01:11]} 5. Nbd2 {[%emt 0:00:22]} g6 {[%emt 0:00:56] LiveBook: 10 Games} 6. Qa4 {[%emt 0:05:33]} Bg7 {[%emt 0:02:08]} 7. dxc5 {[%emt 0:00:48]} bxc5 {[%emt 0:00:58]} 8. e4 {[%emt 0:00:53]} O-O {[%emt 0:01:02]} 9. Be2 {[%emt 0:05:01]} d6 {[%emt 0:10:16]} 10. O-O {[%emt 0:03:19]} Nh5 {[%emt 0:06:09]} 11. Bg5 {[%emt 0:02:01]} h6 {[%emt 0:00:45]} 12. Be3 {[%emt 0:00:19]} Nd7 {[%emt 0:00:54]} 13. Rad1 {[%emt 0:07:12]} Qc7 {[%emt 0:04:05]} 14. Nh4 {[%emt 0:04:33]} Bc6 {[%emt 0:04:19]} 15. Qc2 {[%emt 0:00:34]} Nhf6 {[%emt 0:00:56]} 16. f4 {[%emt 0:10:49]} Qb7 {[%emt 0:03:21]} 17. Bf3 {[%emt 0:12:46]} Rab8 {[%emt 0:05:24]} 18. b3 {[%emt 0:02:08]} a5 {[%emt 0:01:37]} 19. Rfe1 {[%emt 0:01:35]} a4 {[%emt 0:02:05]} 20. Bf2 {[%emt 0:00:59]} axb3 {[%emt 0:00:46]} 21. axb3 {[%emt 0:00:03]} Ne8 {[%emt 0:07:51]} 22. Rb1 {[%emt 0:12:57]} e6 {[%emt 0:13:36]} 23. Nc4 {[%emt 0:08:35]} Qc7 {[%emt 0:01:07]} (23... g5 $15 24. Na5 Qb6) 24. f5 {[%emt 0:14:39]} exf5 $1 {[%emt 0:07:10]} 25. exf5 {[%emt 0:00:17]} g5 {[%emt 0:08:06]} 26. Bxc6 {[%emt 0:00:31]} Qxc6 {[%emt 0:00:15] [#]} 27. f6 $1 {[%emt 0:00:32]} gxh4 {[%emt 0:03:23]} 28. fxg7 {[%emt 0:00:09]} Kxg7 {[%emt 0:00:38]} (28... Nxg7 $16 29. Rbd1 (29. Bxh4 d5 $16) 29... d5) 29. Ne3 {[%emt 0:01:11]} h3 {[%emt 0:03:04] [#]} 30. Bg3 {[%emt 0:01:46]} ({Inferior is} 30. gxh3 Ne5 $11) (30. Qf5 $1 $18 {and White stays clearly on top.}) 30... Rg8 $2 {[%emt 0:02:29]} (30... f5 $16) 31. Qf5 {[%emt 0:01:22]} ({Less strong is} 31. gxh3 Ne5 $14) 31... hxg2 {[%emt 0:03:01]} 32. Nd5 {[%emt 0:00:23]} (32. Qh3 $142 Nef6 33. Nf5+ Kh8 34. Nxh6 Rxg3 35. hxg3) 32... Nef6 {[%emt 0:01:17]} 33. Ne7 {[%emt 0:01:16]} Qb6 {[%emt 0:00:44]} 34. Nxg8 {[%emt 0:00:19]} Rxg8 {[%emt 0:00:09]} 35. c4 {[%emt 0:00:18]} ({Weaker is} 35. Kxg2 Kh8 $16) 35... Ra8 $2 {[%emt 0:00:42]} (35... d5 {was worth a try.} 36. cxd5 Kf8 37. Kxg2 Qb7) 36. Bh4 {[%emt 0:00:52]} Qc6 {[%emt 0:01:51]} 37. Rb2 {[%emt 0:00:24]} Ng8 {[%emt 0:02:26]} 38. Rxg2+ {[%emt 0:00:23]} Kf8 {[%emt 0:00:03]} 39. Rf2 {[%emt 0:01:42]} (39. Qg4 $142 Qxg2+ 40. Qxg2) 39... Ne5 {[%emt 0:00:44]} 40. Bg3 {[%emt 0:01:20]} Ne7 {[%emt 0:00:41]} 41. Qh5 {[%emt 0:00:41]} (41. Qh7 $142 N7g6 42. Bxe5 Nxe5 43. Rf5) 41... N7g6 {[%emt 0:00:57]} 42. Qxh6+ {[%emt 0:00:36]} Kg8 {[%emt 0:00:36]} 43. Bxe5 {[%emt 0:00:29]} dxe5 {[%emt 0:00:33]} 44. h4 {[%emt 0:01:04]} Qd7 {[%emt 0:00:53]} 45. Qg5 {[%emt 0:00:48]} Kf8 {[%emt 0:00:34]} (45... Kh7 $18 46. Rd2 Qh3) 46. Qxg6 {[%emt 0:00:22]} Ra2 {[%emt 0:00:18]} 47. Qh6+ {[%emt 0:00:25]} Kg8 {[%emt 0:00:23]} 48. Rxa2 {[%emt 0:00:25]} Qd4+ {[%emt 0:00:24]} 49. Kh1 {[%emt 0:00:27]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Santos Filho, Tadeu Sousa"]
[Black "Rocha, Vitor Firmo De Souz"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2078"]
[BlackElo "2174"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,76,6,-10,0,0,0,0,10,-15,-10,-33,8,14,29,10,48,12,17,0,22,-27,0,-24,-36,-44,-32,-68,-35,-42,0,-60,-48,-45,-18,-36,-20,-121,-110,-250,-251,-258,-255,-247,-247,-433,-418,-450,-452,-442,-451,-444,-447,-489,-474,-481,-459,-431,-449,-681,-685,-765,-585]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 g6 7. O-O Bg7 8. c3 O-O 9. e5 {LiveBook: 29 Games. A08: King's Indian Attack} (9. Re1 a5 10. a4 b6 11. exd5 exd5 12. Nf1 h6 13. Bf4 Nh5 14. Ne5 Bb7 15. Nxc6 Bxc6 16. Be5 Bxe5 17. Rxe5 Qd6 {½-½ (46) Fressinet,L (2717)-Vitiugov,N (2742) Dubai 2014}) 9... Ng4 10. d4 cxd4 11. cxd4 {The position is equal.} f6 12. h3 Nh6 13. exf6 {[#]} Rxf6 $146 ({Predecessor:} 13... Qxf6 14. Nb3 Nf5 15. Bg5 Qf7 16. Bf4 a5 {0-1 (32) Mammadov,F (2119)-Sedlak,N (2573) Lienz 2013}) 14. Nb3 Qb6 15. g4 Rf8 16. Be3 Nf7 17. Qc1 Bd7 18. Qc5 Rac8 (18... Rfc8 {seems wilder.} 19. Qa3 Bf8 20. Nc5 Qc7 21. Rfe1 b6) 19. Qxb6 (19. Qa3 {with more complications.} Qd8 20. Nc5 Nd6 21. Rac1 b6 22. Nxd7 Qxd7 23. Qd3) 19... axb6 20. a3 Nd6 21. Bd2 Nb5 {[%cal Rb5d4]} 22. Be3 Nd6 23. Bd2 Nc4 $36 {[%mdl 2048] Black is pushing.} 24. Bc3 Rf4 25. Rad1 Na7 {And now ...Ba4 would win.} 26. Rc1 (26. a4 $11 {keeps the balance.}) 26... Nb5 $17 27. Ne5 (27. Rfe1 $17 {might work better.}) 27... Nxe5 $19 28. dxe5 Nxc3 29. bxc3 Bxe5 30. Nd2 $2 {[#]} (30. Nd4) 30... Rxc3 31. Rxc3 Bxc3 {Black is clearly winning.} 32. Nf3 Ra4 33. Rb1 Rxa3 34. Rxb6 Bc6 35. h4 h6 {[%cal Bh7h6,Bh6h5][%mdl 32]} 36. g5 h5 37. Kh2 (37. Rb1 $142) 37... e5 38. Bh3 Ba5 {Accuracy: White = 16%, Black = 54%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Campos, Alexandre Ferreira"]
[Black "Nascimento, Pedro Henrique Alve"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "2076"]
[BlackElo "2007"]
[Annotator "NA RC"]
[PlyCount "108"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,108,9,23,0,8,8,10,8,-13,-19,-35,-38,-51,-44,-80,-48,-83,-34,-82,-71,-76,-49,-50,-34,-79,-77,-78,-35,-57,-38,-52,-27,-42,-22,-35,-18,-65,-39,-36,-14,-53,11,5,4,-20,0,0,-10,-41,-47,-34,-31,-35,-47,-100,-95,-97,-84,-192,-183,-209,-108,-120,-94,-252,-272,-620,-679,-668,-672,-693,-697,-666,-807,-1083,-962,-788,-724,-682,-832,-717,-918,-797,-970,-816,-1013,-1000,-1171,-1328,-1837,-1602,-1682,-1301,-2596,-2037,-6035,-5122,-29954,-29975,-29968,-29941,-29988]} 1. g3 {[%emt 0:00:00]} e5 {[%emt 0:01:59]} 2. c4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:51]} 3. Nc3 {[%emt 0:00:13]} Bb4 {[%emt 0:00:27]} 4. Bg2 {[%emt 0:00:20]} Bxc3 {[%emt 0:02:47]} 5. bxc3 {[%emt 0:01:51]} O-O {[%emt 0:00:32]} 6. Nf3 {[%emt 0:00:13]} d6 {[%emt 0:00:34]} 7. O-O {[%emt 0:01:17]} Nc6 {[%emt 0:04:38]} 8. d4 {[%emt 0:00:17]} Re8 {[%emt 0:01:29] LiveBook: 4 Games A29: English Opening: Four Knights Variation with 4 g3} 9. Rb1 {[%emt 0:01:46]} h6 {[%emt 0:01:51]} 10. h3 $146 {[%emt 0:03:47]} ({Predecessor:} 10. dxe5 Nxe5 11. Nxe5 Rxe5 12. Bf4 Ra5 13. Qd2 Qe8 14. Bxb7 Bxb7 15. Rxb7 {½-½ (25) Raimbert,R (2426)-Sarakauskas,G (2339) ICCF email 2006}) 10... Rb8 {[%emt 0:04:35]} 11. Be3 {[%emt 0:14:46]} Bf5 {[%emt 0:07:17]} 12. Rb2 {[%emt 0:00:32]} Na5 {[%emt 0:00:47]} 13. Qa4 {[%emt 0:01:19]} b6 $1 {[%emt 0:02:02]} 14. Nd2 {[%emt 0:06:49]} Qd7 {[%emt 0:01:37]} 15. Qxd7 {[%emt 0:00:45]} Bxd7 {[%emt 0:00:31]} 16. Rfb1 Bf5 {[%emt 0:00:40]} 17. Rd1 {[%emt 0:00:59]} Be6 {[%emt 0:00:37]} 18. dxe5 {[%emt 0:00:39]} dxe5 {[%emt 0:00:35]} 19. c5 {[%emt 0:00:05]} Red8 {[%emt 0:00:42]} 20. Rc1 {[%emt 0:10:56]} Nd5 {[%emt 0:05:24]} 21. Bxd5 {[%emt 0:06:12]} Bxd5 {[%emt 0:01:15]} 22. f4 {[%emt 0:04:03]} f6 {[%emt 0:04:20]} 23. c4 {[%emt 0:09:00]} Be6 {[%emt 0:02:59]} 24. g4 {[%emt 0:00:02]} g5 {[%emt 0:04:25]} ({Black should try} 24... exf4 $15 25. Bxf4 Rbc8) 25. fxe5 {[%emt 0:02:18]} fxe5 {[%emt 0:00:16]} 26. Rbc2 {[%emt 0:01:41]} Bf7 {[%emt 0:04:33]} 27. cxb6 {[%emt 0:01:18]} axb6 {[%emt 0:01:41]} 28. c5 {[%emt 0:00:27]} b5 $1 {[%emt 0:00:23]} 29. c6 {[%emt 0:06:01]} Nc4 {[%emt 0:00:36]} 30. Nxc4 {[%emt 0:00:19]} Bxc4 {[%emt 0:00:44]} 31. a4 {[%emt 0:00:30]} (31. Rd2 $15) 31... Bb3 {[%emt 0:01:42] Double Attack} 32. Rc5 {[%emt 0:07:33]} bxa4 {[%emt 0:00:27]} 33. Rxe5 {[%emt 0:03:03] [#]} (33. Ra1 $17) 33... a3 $1 {[%emt 0:08:47]} 34. Re7 a2 {[%emt 0:04:19]} ({Black should play} 34... Re8 $19 35. Rxe8+ Rxe8) 35. Rxc7 {[%emt 0:09:54]} Bd5 {[%emt 0:09:46]} 36. Ra7 {[%emt 0:00:59]} (36. Bd4 $17 Rb1 37. Rf1 Rxf1+ 38. Kxf1 Bxc6 {[%mdl 64] Discovered Attack} 39. Bc3) 36... Rb1 {[%emt 0:01:14]} 37. c7 $2 {[%emt 0:00:19] [#]} (37. Ra5) 37... Rc8 $1 {[%emt 0:00:22]} 38. Kf2 {[%emt 0:02:48]} Rxc1 {[%emt 0:00:54]} 39. Bxc1 {[%emt 0:00:03] [#]} Rxc7 $1 {[%emt 0:00:11] Promotion} 40. Rxc7 {[%emt 0:01:51]} a1=Q {[%emt 0:00:23]} 41. Bd2 {[%emt 0:00:28]} Qf6+ {[%emt 0:00:27]} 42. Ke1 {[%emt 0:00:30]} Qe5 {[%emt 0:00:45]} 43. Rc8+ Kf7 {[%emt 0:00:22]} 44. Rc3 {[%emt 0:00:40]} Qh2 {[%emt 0:01:19]} 45. Kd1 {[%emt 0:01:09]} Qh1+ {[%emt 0:00:24]} 46. Be1 {[%emt 0:00:24]} Bg2 {[%emt 0:00:18]} 47. Rc7+ Ke6 {[%emt 0:01:02]} 48. h4 {[%emt 0:00:33]} gxh4 {[%emt 0:00:34]} 49. Rh7 {[%emt 0:00:01]} h3 {[%emt 0:01:48]} 50. Rxh6+ {[%emt 0:00:04]} Kf7 {[%emt 0:00:45]} 51. Kd2 {[%emt 0:00:19]} Bf1 {[%emt 0:00:38]} 52. g5 {[%emt 0:00:32]} Qd5+ {[%emt 0:00:43]} 53. Kc2 {[%emt 0:00:33]} Qxg5 {[%emt 0:00:35]} 54. Bd2 {[%emt 0:00:01] [#]} Qxh6 {[%emt 0:00:42]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Manzi, Luiz Antonio Bardar"]
[Black "Peixoto, Rudson Marinho"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2047"]
[BlackElo "2007"]
[Annotator "NA RC"]
[PlyCount "97"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,97,15,14,23,-9,0,4,0,2,13,32767,32,29,36,45,71,10,20,23,25,33,24,44,54,61,71,73,70,39,45,32,43,30,29,23,21,25,51,23,16,0,2,0,0,0,0,0,0,0,0,0,0,0,32,29,87,8,25,-8,12,8,8,8,23,15,44,21,16,-8,-4,-8,-8,-14,0,-8,-8,-86,-120,-89,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:06:24]} 2. b3 {[%emt 0:00:00]} g6 {[%emt 0:00:09]} 3. Bb2 {[%emt 0:00:00]} Bg7 {[%emt 0:00:07]} 4. e3 {[%emt 0:00:39]} O-O {[%emt 0:00:12]} 5. d4 {[%emt 0:00:53]} d6 {[%emt 0:00:40]} 6. Nbd2 {[%emt 0:02:40]} c5 {[%emt 0:00:12]} 7. Be2 {[%emt 0:01:30]} Nc6 {[%emt 0:00:31]} 8. O-O {[%emt 0:01:41] LiveBook: 5 Games} cxd4 {[%emt 0:00:56] A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (8... Bf5 9. c4 cxd4 10. Nxd4 Bd7 11. Bf3 Qb6 12. a3 Ne5 13. Be2 Rfc8 14. Rc1 Be8 15. h3 a6 16. Rc2 Ned7 17. Qb1 e5 18. N4f3 a5 19. Ba1 Nc5 20. b4 axb4 21. axb4 Ne6 22. Rfc1 Qa7 23. c5 {½-½ (23) Ivanov,S (2322)-Kulaots,K (2570) Finland 2016}) 9. exd4 {[%emt 0:00:33]} Nh5 $146 {[%emt 0:00:57]} ({Predecessor:} 9... Bd7 10. Re1 Rc8 11. Bf1 Re8 12. Nc4 Qc7 {½-½ (20) Ernst,M (2141)-Olsson,L (1930) Hersonissos 2017}) 10. Re1 {[%emt 0:03:42]} e5 {[%emt 0:01:09]} 11. dxe5 {[%emt 0:03:23]} dxe5 {[%emt 0:00:11]} 12. Nc4 {[%emt 0:01:17]} e4 {[%emt 0:02:44]} 13. Qxd8 {[%emt 0:02:44]} Rxd8 {[%emt 0:00:45]} 14. Ng5 {[%emt 0:01:46]} Bxb2 {[%emt 0:00:31]} 15. Nxb2 {[%emt 0:00:08]} f5 {[%emt 0:02:57]} 16. Bxh5 {[%emt 0:04:27]} gxh5 {[%emt 0:00:10]} 17. Red1 {[%emt 0:01:06]} h6 {[%emt 0:00:06]} 18. Nh3 {[%emt 0:01:00]} Be6 {[%emt 0:00:10]} 19. Nf4 {[%emt 0:00:28]} Bf7 {[%emt 0:00:09]} 20. c4 {[%emt 0:02:47]} Rac8 {[%emt 0:05:13]} 21. Rxd8+ {[%emt 0:01:59]} Rxd8 {[%emt 0:00:27]} 22. Rd1 {[%emt 0:00:57]} Rxd1+ {[%emt 0:02:24]} 23. Nxd1 {[%emt 0:00:07]} Kg7 {[%emt 0:00:09]} 24. Kf1 {[%emt 0:01:47]} Kf6 {[%emt 0:00:27]} 25. Ke2 {[%emt 0:01:40]} Ke5 {[%emt 0:00:24]} 26. g3 {[%emt 0:01:31]} h4 {[%emt 0:00:11]} 27. Ke3 {[%emt 0:02:10]} hxg3 {[%emt 0:00:25]} 28. hxg3 {[%emt 0:00:09]} Nb4 {[%emt 0:00:11]} 29. Nc3 {[%emt 0:01:22]} h5 {[%emt 0:01:50]} 30. Nfe2 {[%emt 0:04:06]} h4 {[%emt 0:00:39]} 31. gxh4 {[%emt 0:01:21]} Bh5 {[%emt 0:02:02] [#]} 32. a4 {[%emt 0:09:28]} (32. Nd5 $1 $16 {[%cal Rd5b4]} Nc2+ 33. Kd2 Bxe2 34. Kxe2 (34. Kxc2 f4 $14)) 32... a6 {[%emt 0:00:40]} 33. a5 {[%emt 0:12:49]} (33. Nd5 $5 {[%cal Rd5b4]} Nc2+ 34. Kd2 Bxe2 35. Kxc2 $14 (35. Kxe2 Nd4+ 36. Kd1 Nxb3 $11)) 33... Nc6 {[%emt 0:00:55]} 34. Nf4 {[%emt 0:00:08]} Bf7 {[%emt 0:02:00]} 35. h5 {[%emt 0:03:11]} Nxa5 {[%emt 0:03:46]} 36. h6 {[%emt 0:00:08]} Bg8 {[%emt 0:00:57]} 37. Ncd5 {[%emt 0:00:15]} Bh7 {[%emt 0:01:33]} 38. Nh5 {[%emt 0:00:39]} Nxb3 {[%emt 0:01:02]} 39. Nhf6 {[%emt 0:00:37]} f4+ $1 {[%emt 0:00:33]} 40. Ke2 {[%emt 0:00:15]} Nd4+ {[%emt 0:00:49]} 41. Kf1 {[%emt 0:00:55]} Bf5 {[%emt 0:01:40] [#]} 42. h7 {[%emt 0:00:17] [#]} (42. Ng4+ $1 $11 {[%mdl 512] keeps the balance.} Ke6 (42... Bxg4 43. h7) 43. Nxf4+ Kf7 44. Ne3) 42... Bxh7 $1 {[%emt 0:00:21]} 43. Nxh7 {[%emt 0:00:06] [#]} b5 {[%emt 0:00:06]} (43... Ne6 $1 $17 44. Nhf6 Kd4) 44. cxb5 {[%emt 0:01:41]} axb5 {[%emt 0:00:30]} 45. Nb4 {[%emt 0:01:06]} Ne6 {[%emt 0:00:21]} 46. Ke2 {[%emt 0:00:30]} Kd6 {[%emt 0:00:20]} 47. Nf6 {[%emt 0:00:19]} Kc5 {[%emt 0:00:56]} 48. Nc2 {[%emt 0:00:26]} Nd4+ {[%emt 0:00:43]} 49. Kd2 $11 {[%emt 0:01:31]} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Brito, Vicente De Paulo Al"]
[Black "Ferreira, Kleber Victor"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2044"]
[BlackElo "2053"]
[Annotator "NA RC"]
[PlyCount "84"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,84,-14,0,-5,-24,-1,0,18,0,9,0,8,1,15,-3,16,0,10,20,29,20,47,24,21,-20,10,-22,-16,-51,-23,-23,-11,-37,0,0,0,0,33,-70,-74,-44,-22,-72,-66,-70,-60,-58,-30,-44,0,0,0,-63,-26,-174,-63,-64,-7,-8,-8,-8,-7,-8,-7,-7,-8,-7,0,0,-2,0,0,0,0,0,8,0,0]} 1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Bc4 {[%emt 0:00:54]} Nc6 {[%emt 0:01:13]} 3. Nf3 {[%emt 0:00:20]} Nf6 {[%emt 0:00:07]} 4. d4 {[%emt 0:00:41]} exd4 {[%emt 0:00:15]} 5. e5 {[%emt 0:00:26]} d5 {[%emt 0:00:33]} 6. Bb5 {[%emt 0:00:20]} Ne4 {[%emt 0:00:13]} 7. Nxd4 {[%emt 0:00:14]} Bd7 {[%emt 0:00:47]} 8. Bxc6 {[%emt 0:00:27]} bxc6 {[%emt 0:00:04]} 9. O-O {[%emt 0:00:55]} Bc5 {[%emt 0:04:51]} 10. f3 {[%emt 0:01:01]} Ng5 {[%emt 0:01:02]} 11. Be3 {[%emt 0:00:19]} O-O {[%emt 0:01:46]} 12. f4 {[%emt 0:00:35]} Ne4 {[%emt 0:00:51]} 13. Nd2 {[%emt 0:00:43]} Nxd2 {[%emt 0:01:39]} 14. Qxd2 {[%emt 0:00:04]} f6 {[%emt 0:02:55] LiveBook: 32 Games} 15. b4 {[%emt 0:10:30] C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} (15. Nb3 Bb6 16. Bc5 fxe5 17. fxe5 Qh4 18. Kh1 Rxf1+ 19. Rxf1 Re8 20. Qe3 h6 21. Qf3 Qg4 22. Qf7+ Kh7 {0-1 (76) Socko,B (2604)-Ernst,T (2368) Sweden 2017}) 15... Bb6 {[%emt 0:04:45]} 16. Nb3 {[%emt 0:10:36]} Qe7 {[%emt 0:09:14]} 17. Rae1 {[%emt 0:04:48]} fxe5 $146 {[%emt 0:02:59]} ({Predecessor:} 17... Rae8 18. Bc5 fxe5 19. Rxe5 Qf7 20. Qe2 Qg6 21. Kh1 Bg4 22. Qe3 Rxe5 23. Qxe5 {½-½ (58) Baldursson,R (1890)-Nielsen,T (2109) Faroe Islands 2012}) 18. Bxb6 {[%emt 0:09:20]} axb6 {[%emt 0:00:43]} 19. Rxe5 {[%emt 0:00:36]} Qf6 {[%emt 0:01:22]} 20. c3 {[%emt 0:04:53]} Rf7 {[%emt 0:05:28]} 21. g3 {[%emt 0:09:55]} Bh3 {[%emt 0:05:31]} 22. Rfe1 {[%emt 0:01:27]} Raf8 {[%emt 0:00:29]} 23. Re8 {[%emt 0:02:21]} ({White should try} 23. Nd4 $14) 23... g5 $1 {[%emt 0:05:31]} 24. Rxf8+ {[%emt 0:03:07]} Rxf8 {[%emt 0:00:32]} 25. Qd4 {[%emt 0:16:18]} gxf4 {[%emt 0:00:44]} 26. Qxf6 {[%emt 0:01:05]} Rxf6 {[%emt 0:00:07]} 27. Kf2 {[%emt 0:03:30]} fxg3+ {[%emt 0:07:36]} 28. Kxg3 {[%emt 0:00:02]} Bf5 {[%emt 0:04:29]} 29. Re7 {[%emt 0:02:37]} Rf7 {[%emt 0:02:23]} 30. Rxf7 {[%emt 0:04:04]} (30. Re8+ $11 Kg7 31. a4) 30... Kxf7 {[%emt 0:00:02]} 31. a4 $2 {[%emt 0:01:27]} (31. Nd4 $11 {and White is okay.} Bd7 32. Kf4) 31... Bc8 {[%emt 0:07:05]} (31... Bc2 $19 32. Nd2 Bxa4) 32. Nd4 {[%emt 0:05:45]} c5 {[%emt 0:05:13]} 33. bxc5 $1 {[%emt 0:00:26]} bxc5 {[%emt 0:00:44]} 34. Nb5 {[%emt 0:04:34]} Bd7 {[%emt 0:09:57]} 35. Nxc7 {[%emt 0:00:37]} Bxa4 {[%emt 0:00:29]} 36. Nxd5 {[%emt 0:00:03]} Ke6 {[%emt 0:00:53]} 37. Nf4+ {[%emt 0:01:29]} Ke5 {[%emt 0:01:47]} 38. Kf3 {[%emt 0:00:04]} Bc6+ {[%emt 0:05:12]} 39. Ke3 {[%emt 0:00:08]} c4 {[%emt 0:02:58]} 40. Ne2 {[%emt 0:00:51]} h6 {[%emt 0:02:02]} 41. Nd4 {[%emt 0:00:42]} Be8 $11 {[%emt 0:01:46]} 42. Ne2 {[%emt 0:00:39]} h5 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "8"]
[White "Urquiza, Marcello de Albuque"]
[Black "Okamura, Milton Kasuo"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "2018"]
[BlackElo "2038"]
[Annotator "NA RC"]
[PlyCount "110"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,110,14,31,14,12,9,12,8,60,58,57,55,65,48,59,54,77,63,113,87,94,61,60,105,111,116,101,111,136,118,137,109,198,143,227,191,226,231,249,191,239,216,332,281,351,352,342,0,181,102,104,89,32767,32767,32767,32767,95,59,85,62,67,72,98,23,117,0,0,0,0,-2,0,0,0,0,-8,0,0,0,0,-8,0,-11,0,0,0,0,0,-69,0,-71,-46,-86,-84,-71,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:11]} Nc6 {[%emt 0:00:00]} 5. Nb5 {[%emt 0:03:42]} d6 {[%emt 0:00:18]} 6. c4 {[%emt 0:01:37]} Nf6 {[%emt 0:01:50]} 7. N1c3 {[%emt 0:00:24]} a6 {[%emt 0:00:30]} 8. Nd4 {[%emt 0:00:17]} Qc7 {[%emt 0:02:12]} 9. Be2 {[%emt 0:00:32]} Ne5 {[%emt 0:01:49]} 10. Be3 {[%emt 0:09:02]} Be7 {[%emt 0:02:41]} 11. Rc1 {[%emt 0:00:33]} O-O {[%emt 0:00:20]} 12. O-O {[%emt 0:00:08]} b6 {[%emt 0:00:21]} 13. f4 {[%emt 0:05:52]} Ned7 {[%emt 0:03:02]} 14. Bf3 {[%emt 0:03:50]} Bb7 {[%emt 0:00:51]} 15. Qe2 {[%emt 0:00:43]} Rfe8 {[%emt 0:00:42] LiveBook: 3 Games [#] B41: Sicilian: Kan Variation: 5 c4} 16. g4 $1 {[%emt 0:10:08]} Nf8 {[%emt 0:28:56]} (16... Nc5 17. Bf2 e5 18. fxe5 dxe5 19. Nf5 Bd8 20. Nd5 Qb8 21. Bxc5 bxc5 22. Bg2 Nd7 23. Qf2 {0-1 (51) Milos,G (2620)-Morozevich,A (2748) Internet 2000}) 17. g5 {[%emt 0:08:08]} N6d7 {[%emt 0:00:07]} 18. h4 {[%emt 0:00:18]} Rac8 {[%emt 0:02:24]} 19. b3 $146 {[%emt 0:00:52]} ({Predecessor:} 19. Qf2 Qb8 20. b3 Nc5 21. Rfd1 Qa8 22. Qg2 Ng6 23. Qh1 {0-1 (61) Geller,A (2265)-Levin,F (2320) Belgorod 1989}) 19... Qb8 {[%emt 0:02:19]} 20. Qg2 {[%emt 0:07:43]} Nc5 {[%emt 0:03:53]} (20... e5 $16 {keeps fighting.}) 21. f5 {[%emt 0:05:32]} Nd3 {[%emt 0:01:19]} (21... Bd8 $16 22. f6 Ng6) 22. f6 {[%emt 0:01:22]} Bd8 {[%emt 0:00:11]} 23. fxg7 {[%emt 0:02:46]} Kxg7 {[%emt 0:04:25]} 24. Rc2 {[%emt 0:07:54]} Ne5 {[%emt 0:11:18]} 25. Rcf2 {[%emt 0:02:35]} b5 {[%emt 0:01:11]} (25... Rc7 $142 26. Be2 Kg8) 26. Bh5 {[%emt 0:07:05]} Nfg6 {[%emt 0:01:35]} 27. Bxg6 {[%emt 0:00:29]} hxg6 {[%emt 0:00:28] [#]} 28. Bf4 $2 {[%emt 0:00:16]} (28. h5 $1 $18 {[%cal Rh5g6]} gxh5 29. Qh3) 28... Rf8 $2 {[%emt 0:01:04] [#]} (28... Bb6 $1 $11 {and Black stays safe.} 29. Bxe5+ (29. c5 $2 Rxc5 30. Nce2 Kg8 $19) 29... dxe5 30. Rxf7+ Kg8) 29. Bxe5+ {[%emt 0:04:43]} (29. h5 $1 $18 Qa7 30. Nce2) 29... dxe5 {[%emt 0:00:39]} 30. Nxe6+ $1 {[%emt 0:00:12] Pin} fxe6 {[%emt 0:00:09]} 31. Rxf8 {[%emt 0:00:04]} Bb6+ {[%emt 0:00:11]} 32. R8f2 {[%emt 0:00:06]} Rf8 $1 {[%emt 0:11:09] [#]} 33. Kh2 $1 {[%emt 0:00:30]} Bxf2 {[%emt 0:00:31]} 34. Rxf2 {[%emt 0:00:08]} Rf4 {[%emt 0:00:09]} 35. Rxf4 {[%emt 0:08:38]} ({Don't play} 35. cxb5 Rxh4+ 36. Kg1 axb5 $11) 35... exf4 {[%emt 0:00:03]} 36. cxb5 {[%emt 0:00:57]} axb5 {[%emt 0:04:50]} (36... Qe5 $1 $11 {keeps the balance.} 37. bxa6 Bxa6) 37. Qf3 {[%emt 0:03:37]} ({Much weaker is} 37. Nxb5 $6 Qe5 $11 {[%mdl 64] Double Attack}) (37. Qd2 $16) 37... b4 {[%emt 0:00:22]} 38. Ne2 {[%emt 0:00:19]} e5 {[%emt 0:00:10]} 39. Qd3 $1 {[%emt 0:02:03]} Qc7 {[%emt 0:01:41]} 40. Ng1 {[%emt 0:01:13]} Kf7 {[%emt 0:05:36]} 41. Nf3 {[%emt 0:00:41]} Ke7 {[%emt 0:00:08]} 42. Kg2 {[%emt 0:02:33]} Qc3 {[%emt 0:02:12]} 43. Qe2 {[%emt 0:00:59]} Ke6 {[%emt 0:01:59]} 44. Kf1 {[%emt 0:01:03]} Qc1+ {[%emt 0:02:38]} 45. Kf2 {[%emt 0:00:48]} Qc5+ {[%emt 0:00:18]} 46. Kg2 {[%emt 0:00:47]} Bc6 {[%emt 0:00:24]} 47. Nd2 {[%emt 0:00:38]} Bb5 {[%emt 0:01:27]} 48. Nc4 {[%emt 0:00:20]} (48. Qf2 $11 Qc6 49. Qa7) 48... Qd4 {[%emt 0:00:49]} 49. Kf3 {[%emt 0:00:16]} (49. Kh2 $11 {remains equal.}) 49... Qc3+ {[%emt 0:00:30]} 50. Kg2 {[%emt 0:00:55]} Qg3+ {[%emt 0:00:53]} 51. Kf1 {[%emt 0:00:11]} Qxh4 {[%emt 0:00:24]} (51... Qh3+ $17 52. Qg2 Qd3+ 53. Qe2 Qh3+ 54. Qg2 Qc3) 52. Qd3 {[%emt 0:00:20]} Qh1+ {[%emt 0:01:21]} 53. Kf2 {[%emt 0:00:48]} Qh2+ {[%emt 0:02:55]} 54. Kf1 {[%emt 0:01:01]} Qh1+ {[%emt 0:00:33]} 55. Kf2 {[%emt 0:00:21]} Qh2+ $11 {[%emt 0:00:44]} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Fucs, Paulo Moses"]
[Black "Reis, Virginia Lagrange M"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "2016"]
[BlackElo "1750"]
[Annotator "NA RC"]
[PlyCount "78"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,74,0,-1,5,0,14,2,8,0,8,8,24,0,4,19,31,-27,0,-18,-6,-41,-18,-41,-4,-15,-23,-12,-19,-57,13,-25,-8,0,-12,-11,1,-50,-23,-80,0,-83,-74,-117,-104,-126,-128,-161,-130,-119,-134,-161,-159,-216,-227,-310,-337,-304,-340,-973,-248,-236,-258,-296,-216,-268,-156,-140,-177]} 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:18]} 2. c4 {[%emt 0:00:04]} e5 {[%emt 0:00:23]} 3. Nc3 {[%emt 0:00:15]} Nf6 {[%emt 0:01:17]} 4. Nf3 {[%emt 0:00:46]} Nc6 {[%emt 0:00:32]} 5. d3 {[%emt 0:00:20]} d6 {[%emt 0:00:11]} 6. Be2 {[%emt 0:00:35]} Be7 {[%emt 0:00:21]} 7. O-O {[%emt 0:01:07] LiveBook: 8 Games B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} O-O {[%emt 0:00:09]} 8. a3 {[%emt 0:01:15]} (8. Nd5 Nxd5 9. cxd5 Nb8 10. Nd2 Bg5 11. Nc4 Bxc1 12. Qxc1 b5 13. Ne3 Nd7 14. Bg4 Nb6 15. Bxc8 Rxc8 {½-½ (58) Medvegy,Z (2536)-Banusz,T (2596) Germany 2014}) 8... Ne8 {[%emt 0:01:12]} 9. Rb1 {[%emt 0:03:35]} f5 $146 {[%emt 0:01:14]} ({Predecessor:} 9... a5 10. Nd5 f5 11. Bd2 Nf6 12. Nxf6+ Rxf6 13. b4 axb4 14. axb4 b6 {1-0 (30) Aliaga Fernandez,I (2157)-Delai,P (2030) Araruama 2011}) 10. exf5 {[%emt 0:00:30]} Bxf5 {[%emt 0:00:37]} 11. b4 {[%emt 0:01:35]} b6 {[%emt 0:03:21]} 12. Be3 {[%emt 0:02:38]} (12. b5 $14 Nd4 13. Nxd4 cxd4 14. Nd5) 12... Nf6 {[%emt 0:01:10]} 13. Ne1 {[%emt 0:05:09]} Nd4 {[%emt 0:02:48]} 14. f4 {[%emt 0:04:23]} Nxe2+ {[%emt 0:01:13]} 15. Qxe2 {[%emt 0:01:13]} Bg4 {[%emt 0:07:41]} ({Better is} 15... e4 $15) 16. Nf3 {[%emt 0:04:55]} exf4 {[%emt 0:00:59]} 17. Bxf4 {[%emt 0:01:17]} Nh5 {[%emt 0:00:29]} 18. Be3 {[%emt 0:00:59]} Nf6 {[%emt 0:10:47]} ({Better is} 18... Qd7 $15) 19. Kh1 {[%emt 0:03:39]} Qe8 {[%emt 0:03:36]} 20. Bg1 {[%emt 0:01:17]} Qd7 {[%emt 0:01:47]} 21. h3 {[%emt 0:04:03]} Bh5 {[%emt 0:02:46]} 22. Rbd1 {[%emt 0:05:48]} Rae8 {[%emt 0:01:17]} 23. Qd2 {[%emt 0:00:40]} Qb7 {[%emt 0:02:31]} (23... d5 $17 24. bxc5 Bxc5) 24. Bh2 {[%emt 0:01:21]} (24. Rde1 $11) 24... d5 {[%emt 0:03:50]} 25. Nb5 {[%emt 0:08:21]} dxc4 {[%emt 0:07:08]} 26. dxc4 {[%emt 0:04:12]} Rd8 {[%emt 0:01:39]} 27. Qe2 {[%emt 0:05:30]} Rxd1 {[%emt 0:04:01]} 28. Qxd1 {[%emt 0:00:12]} cxb4 {[%emt 0:00:55]} 29. axb4 {[%emt 0:00:14]} Bxb4 {[%emt 0:00:34]} 30. Qa4 {[%emt 0:00:38]} (30. Qb1 $17 a5 31. Bd6) 30... a5 {[%emt 0:00:27]} 31. Ng5 {[%emt 0:04:34]} Ne4 {[%emt 0:02:24]} 32. Rxf8+ {[%emt 0:02:02]} Bxf8 {[%emt 0:00:31]} 33. Ne6 $2 {[%emt 0:01:08]} (33. Nxe4 Qxe4 34. Bg1) 33... Nc5 $2 {[%emt 0:02:39]} (33... Nf2+ 34. Kg1 Qe4) 34. Nxc5 {[%emt 0:02:30]} Bxc5 {[%emt 0:00:03]} 35. Bg1 {[%emt 0:05:37]} Bb4 {[%emt 0:01:20]} 36. Nd4 {[%emt 0:00:55]} h6 {[%emt 0:03:01]} 37. Qb5 {[%emt 0:00:35]} Bc5 $19 {[%emt 0:00:58]} 38. Ne6 Bxg1 39. Qxh5 {[%emt 0:04:06]} Kh8 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.19"]
[Round "8"]
[White "Chang, Suzana"]
[Black "Lima, Darcy"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1968"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,56,39,24,27,-9,-6,-13,-6,-15,-12,-17,-8,-12,-14,-47,-39,-51,-55,-54,-56,-52,-47,-78,-64,-110,-102,-127,-120,-169,-174,-186,-166,-176,-159,-144,-155,-175,-154,-493,-467,-29998,-29999]} 1. e4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 Nbd7 5. Be2 Be7 6. O-O c6 7. a4 O-O 8. h3 Qc7 {C41: Philidor Defence} 9. Be3 {LiveBook: 4 Games} b6 10. dxe5 (10. Re1 Re8 11. dxe5 dxe5 12. Nd2 Bb7 13. Bc4 {½-½ (28) Czupor,A (2223)-Nemeth,M (2470) Ajka 2018}) 10... dxe5 {The position is equal.} 11. Nd2 $146 ({Predecessor:} 11. Bd3 Nc5 12. Bxc5 Bxc5 13. Ne2 h6 14. Ng3 Be6 {½-½ (14) Rincon,L (1847)-Osorio Itanare,F (2232) Havana 2010}) 11... Bb7 12. Bc4 a6 {[%cal Ba7a6,Ba6b5][%mdl 32]} 13. Bb3 b5 14. axb5 axb5 15. Rxa8 Rxa8 16. Qf3 Nc5 17. Bxc5 Bxc5 18. Rd1 Qe7 19. Nf1 g6 20. Rd3 Kg7 21. Ng3 Bd4 22. Nd1 c5 $1 {[%cal Bc6c5,Bc5c4][%mdl 32] ...c4 is the strong threat.} 23. c3 c4 {[%mdl 64] Double Attack} 24. Rd2 Bc5 ({Don't play} 24... cxb3 25. cxd4 exd4 26. Rxd4 $15) 25. Bc2 Ra1 {aiming for ...b4.} 26. Kh2 h5 27. Ne3 $2 {[#]} (27. Nf1 $17 {is a better chance.}) 27... Bxe3 $1 $19 {[#]} 28. Qxe3 {[#]} (28. Nxh5+ $1 $19 {[%mdl 512]} Nxh5 29. Qxe3) 28... Ng4+ $1 {[%mdl 512] Accuracy: White = 26%, Black = 83%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "8"]
[White "Ramos, Angelo Bil"]
[Black "Torella, Rodolfo"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1952"]
[BlackElo "2036"]
[Annotator "NA RC"]
[PlyCount "138"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,138,17,-7,23,5,13,0,0,-1,-11,0,34,20,38,0,33,18,19,6,21,-22,-7,-12,-6,-3,-7,-11,0,0,56,-27,-12,-35,-31,-37,-18,-22,-17,-22,-8,-10,-5,-62,-74,-85,-62,-83,-85,-87,7,-45,-50,-63,-47,-81,0,0,0,0,37,47,37,0,0,0,162,122,210,209,32767,32767,32767,32767,32767,32767,32767,307,311,181,195,208,621,245,223,203,133,68,114,68,32767,32767,32767,32767,50,47,54,39,50,67,63,8,8,8,54,15,16,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,33,8,51,8,8,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:46]} e6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:01:11]} Nge7 {[%emt 0:01:07] LiveBook: 626 Games} 5. a4 {[%emt 0:03:03]} g6 {[%emt 0:03:20]} 6. d4 {[%emt 0:02:19]} cxd4 {[%emt 0:00:21]} 7. Nxd4 {[%emt 0:00:10]} Bg7 {[%emt 0:00:13]} 8. Be3 {[%emt 0:00:19]} O-O {[%emt 0:01:05]} 9. O-O {[%emt 0:00:10]} Qc7 {[%emt 0:11:46]} 10. Be2 {[%emt 0:09:49]} a6 {[%emt 0:02:26]} 11. Qd2 {[%emt 0:12:31]} Rd8 {[%emt 0:12:05]} 12. Rad1 {[%emt 0:02:48]} d5 {[%emt 0:01:54]} 13. exd5 {[%emt 0:03:29]} Nxd5 {[%emt 0:00:25]} 14. Nxd5 {[%emt 0:09:12]} Rxd5 {[%emt 0:00:37]} 15. c3 {[%emt 0:04:49]} Nxd4 {[%emt 0:11:26]} 16. cxd4 {[%emt 0:00:21]} Bd7 {[%emt 0:05:47]} 17. Bf3 {[%emt 0:03:27]} Rd6 {[%emt 0:02:10]} 18. Qb4 {[%emt 0:04:31]} Qb6 {[%emt 0:06:32]} (18... Rb6 $11 19. Qa5 Rc6 20. Qxc7 Rxc7) 19. Qxb6 {[%emt 0:07:54]} (19. Qa3 $14) 19... Rxb6 {[%emt 0:00:02]} 20. a5 {[%emt 0:01:08]} Rxb2 {[%emt 0:07:43]} 21. Rb1 {[%emt 0:00:50]} Rb5 {[%emt 0:02:17]} 22. Bxb7 {[%emt 0:03:18]} Rb8 {[%emt 0:00:36]} 23. Be4 {[%emt 0:00:25]} Bf8 {[%emt 0:03:07]} 24. Bf4 {[%emt 0:01:49]} Rc8 {[%emt 0:06:52]} 25. Rxb5 {[%emt 0:07:27]} (25. Bb7 $11 Rc2 26. Bxa6 Rxa5 27. Bd3) 25... Bxb5 {[%emt 0:01:11]} 26. Rb1 {[%emt 0:01:17]} Rc4 {[%emt 0:03:03]} 27. Bd3 {[%emt 0:01:56]} Rxd4 {[%emt 0:01:35]} 28. Bxb5 {[%emt 0:00:16]} axb5 {[%emt 0:00:35]} (28... Rxf4 $17 29. g3 Rf5 30. Bxa6 Rxa5) 29. Be5 {[%emt 0:02:13]} ({White should try} 29. g3 $11) 29... Rd5 {[%emt 0:02:17]} 30. Bc7 {[%emt 0:03:35]} b4 {[%emt 0:01:19]} 31. Kf1 {[%emt 0:01:03]} Bc5 {[%emt 0:00:48]} (31... Rd2 $15 32. Be5 Rd5) 32. Ke2 {[%emt 0:00:14]} Kf8 {[%emt 0:00:38]} 33. a6 {[%emt 0:01:20]} Ke7 {[%emt 0:05:33]} 34. Bb8 {[%emt 0:00:17]} Rd7 {[%emt 0:01:09]} 35. Rd1 {[%emt 0:02:31]} (35. Ra1 $5 {[%cal Ra6a7]}) 35... b3 {[%emt 0:02:00]} 36. Rb1 {[%emt 0:01:25]} Ba7 $2 {[%emt 0:01:11]} (36... Rd4 $1 $11 {and Black stays safe.}) 37. Rxb3 {[%emt 0:00:18]} Bxb8 {[%emt 0:00:45]} (37... Kf6 $16) 38. Rxb8 {[%emt 0:00:09]} Kd6 {[%emt 0:00:06]} 39. Rb6+ {[%emt 0:02:04]} Ke5 {[%emt 0:01:18]} 40. Rb7 {[%emt 0:00:24]} Rd6 {[%emt 0:00:04]} 41. a7 {[%emt 0:02:01]} Ra6 {[%emt 0:00:09]} 42. Rxf7 {[%emt 0:00:21]} h5 {[%emt 0:00:11]} 43. g3 {[%emt 0:01:00]} (43. Rd7 $142) 43... g5 {[%emt 0:01:00]} 44. h3 {[%emt 0:00:50]} h4 $2 {[%emt 0:00:44]} (44... Ke4 45. Kd2 Kd5) 45. Kf3 $2 {[%emt 0:01:46]} (45. g4 Kd5 46. f4 Ra2+ 47. Ke3 gxf4+ 48. Kxf4) 45... Ra4 {[%emt 0:00:49]} 46. Kg2 {[%emt 0:01:01]} Ra3 {[%emt 0:00:29] [#]} 47. gxh4 {[%emt 0:02:26]} (47. g4 $1 $18) 47... gxh4 {[%emt 0:00:15]} 48. Rh7 {[%emt 0:00:08]} Kf5 {[%emt 0:00:35]} 49. Rxh4 {[%emt 0:00:07]} Rxa7 {[%emt 0:00:02]} 50. Rg4 {[%emt 0:00:11]} e5 {[%emt 0:00:47]} 51. f3 {[%emt 0:00:20]} Rh7 {[%emt 0:00:40]} 52. Kg3 {[%emt 0:00:10]} Rd7 {[%emt 0:00:52]} 53. h4 {[%emt 0:00:17]} Rd1 {[%emt 0:00:57]} 54. Rg5+ {[%emt 0:01:15]} (54. Rc4 $14) 54... Kf6 {[%emt 0:00:07]} 55. Kf2 {[%emt 0:02:03]} Rh1 {[%emt 0:00:24]} 56. Rh5 {[%emt 0:00:31]} Kg6 {[%emt 0:01:29]} 57. Rxe5 {[%emt 0:00:52]} Rxh4 {[%emt 0:00:03]} 58. Kg3 {[%emt 0:00:15]} Ra4 {[%emt 0:00:15]} 59. f4 {[%emt 0:00:44]} Kf6 {[%emt 0:00:39]} 60. Rb5 {[%emt 0:00:13]} Ra6 {[%emt 0:00:51]} 61. Kg4 {[%emt 0:00:12]} Rc6 {[%emt 0:01:12]} 62. Rh5 {[%emt 0:00:21]} Kg7 {[%emt 0:01:47]} 63. Rf5 {[%emt 0:00:17]} Rc1 {[%emt 0:00:29]} 64. Rd5 {[%emt 0:00:16]} Kf6 {[%emt 0:00:38]} 65. Rd6+ {[%emt 0:00:07]} Ke7 {[%emt 0:00:13]} 66. Ra6 {[%emt 0:00:10]} Rc5 {[%emt 0:00:13]} 67. f5 {[%emt 0:00:31]} Rc1 {[%emt 0:00:15]} 68. Re6+ {[%emt 0:00:26]} Kf7 {[%emt 0:00:10]} 69. Re3 {[%emt 0:01:34]} Kf6 $11 {[%emt 0:00:51]} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Lima, Darcy"]
[Black "Souza, Wellington"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2550"]
[BlackElo "2120"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,95,25,12,43,41,55,26,33,31,37,37,216,96,106,104,92,96,112,110,118,120,124,108,122,119,124,122,151,152,151,152,155,159,169,167,220,192,183,176,176,176,176,166,190,190,190,190,190,190,190,190,190,190,190,190,182,125,183,168,247,241,332,325,393,398,384,392,560,543,579,555,535,519,653,624,1002,706]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be2 Bg7 6. Nb3 a5 7. a4 Nf6 8. Nc3 O-O 9. O-O Nb4 10. Bf3 d6 11. Bg5 Nd7 {B70: Sicilian Dragon: 6 g3 and 6 Be2 (without a later Be3)} 12. Be2 Nf6 13. f4 Be6 {White has an edge.} 14. Nd4 Qb6 {...Nxe4! is the strong threat.} 15. Kh1 {[#]} Nxe4 $146 (15... Bd7 $14) ({Predecessor:} 15... Ng4 16. Bxg4 Bxg4 17. Qxg4 Bxd4 18. Bxe7 Rfe8 19. Qh4 Nxc2 20. Nd5 Qa6 21. e5 f5 22. Nf6+ Kf7 23. Qxh7+ Ke6 24. Bxd6 Qxd6 25. Qxg6 Qb6 26. Nxe8+ Kd5 27. Qf7+ {1-0 (25) De la Paz Perdomo,F (2442)-Mikhalevski,V (2580) Santo Domingo 2006}) 16. Nxe4 (16. Nxe6 $18 {is the precise move to win.} Bxc3 17. Nxf8 (17. bxc3 fxe6 18. cxb4 Nxg5 $18) 17... Bxb2 18. Nd7 (18. Bxe7 Re8 $17)) 16... Qxd4 $16 17. Qxd4 Bxd4 18. c3 $1 Nc2 19. cxd4 Nxa1 20. Rxa1 f6 21. Bh4 Rac8 22. Nc3 Bc4 {With the idea ...Bxe2.} 23. Bf3 Rc7 24. Nd5 Bxd5 25. Bxd5+ Kg7 {[#]} 26. Be1 $1 {[%cal Re1a5]} b6 27. Bc3 h6 (27... Re8 $142 28. Re1 h5) 28. Kg1 Re8 29. Be6 Rd8 30. d5 Rc4 31. g3 g5 32. Kf2 gxf4 33. gxf4 Rxf4+ 34. Ke3 Rh4 35. h3 {[%mdl 1024] White has strong compensation.} Rb8 36. Bg4 h5 37. Be6 {aiming for b3.} Rc4 38. Kd3 Rf4 (38... Rc5 $16 39. Rg1+ Kh8) 39. Bd2 $18 Rf3+ {[#]} (39... Rf2 {is a better defense.} 40. Rg1+ Kh7) 40. Kc4 $1 h4 41. Bc3 Kg6 42. Rg1+ Rg3 43. Rf1 Rb7 (43... Ra8 $142 44. Kb5 Rb8) 44. Kb5 {White is clearly winning.} Rc7 45. Kxb6 Rc5 46. Rf4 Rg2 47. Rxh4 Kg5 48. Rh7 {Accuracy: White = 83%, Black = 48%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Rodriguez Vila, Andres"]
[Black "Roselli Mailhe, Bernardo"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2482"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,91,-2,30,30,20,21,24,0,25,20,32,1,39,24,46,18,20,4,107,15,15,21,47,0,0,0,98,89,107,67,143,135,137,145,176,171,175,189,177,168,179,173,175,92,202,190,339,333,333,330,298,288,306,99,85,0,0,-71,160,156,378,378,378,378,362,365,378,324,301,-46,360,363,385,378]} 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Bc5 5. O-O d6 6. a4 a6 {C50: Hungarian Defence and Giuoco Pianissimo} 7. c3 Ba7 8. Na3 h6 9. Re1 O-O 10. h3 Be6 {LiveBook: 6 Games} 11. Bxe6 fxe6 12. b4 $146 {[%cal Bb2b4,Bb4b5][%mdl 32]} ({Predecessor:} 12. Be3 Qd7 13. Bxa7 Rxa7 14. Nc4 b5 15. axb5 axb5 16. Rxa7 Nxa7 {½-½ (41) Nisipeanu,L (2683)-Prohaszka,P (2607) Austria 2016}) 12... Nh5 13. b5 Ne7 14. d4 Qe8 15. Be3 Rd8 16. Nc4 Nf4 17. Rb1 (17. dxe5 Bxe3 18. Rxe3 d5 $15) 17... Neg6 18. Kh2 Qf7 (18... axb5 $11 {keeps the balance.} 19. axb5 exd4 20. cxd4 d5 21. exd5 Nxd5) 19. Ncd2 (19. dxe5 $6 dxe5 20. Nfd2 Bxe3 $11) (19. bxa6 $16 bxa6 20. Rb7 (20. dxe5 d5 $11)) 19... exd4 $11 20. cxd4 d5 21. e5 axb5 22. axb5 c5 {[#]} (22... Qf5 $11) 23. bxc6 $1 $16 bxc6 24. Qc2 Rc8 ({Better is} 24... c5 $1 $14) 25. g3 Nh5 26. Ra1 Rc7 27. Ra6 Ne7 28. Qa4 Bb8 29. Rb1 c5 30. dxc5 {Black must now prevent g4.} Nf5 31. Qa3 (31. Qb3 $18) 31... d4 (31... Ba7 $16 {keeps fighting.}) 32. Nxd4 $18 Nxe3 (32... Rd7 {was worth a try.}) 33. Qxe3 Rxc5 34. f4 (34. Rxe6 Qxf2+ 35. Qxf2 Rxf2+ 36. Kg1 Rxd2 $17) 34... Rd5 35. Nxe6 Re8 {If only Black now had time for ...Bxe5....} 36. Ne4 $2 (36. Nd4 $18 {is more deadly.}) 36... Bxe5 $16 {[#]} 37. Qb3 (37. Rbb6 $1 $16) 37... Nxf4 $1 $11 38. gxf4 (38. Rf1 $11 Rd3 39. Qb5 Rxg3 40. Nxg3 Rxe6 41. Ra4 (41. Ra8+ Kh7 $11)) 38... Bxf4+ $2 (38... Rxe6 $17 {and life is bright.} 39. Qxd5 (39. Ra8+ $2 Kh7 $19) 39... Bxf4+ 40. Kg1 Rxa6 41. Qxf7+ Kxf7) 39. Kh1 $16 Qf5 $2 {[#]} (39... Rf5 $16 40. N6c5 Be5 41. Qxf7+ Rxf7) 40. Nf6+ $1 $18 {[%mdl 512]} gxf6 (40... Qxf6 41. Qxd5) 41. Nxf4 Qe4+ 42. Ng2 {Strongly threatening Rd1.} Qd3 43. Rxf6 Kg7 {aiming for ...Qxb3.} 44. Rc6 $2 ({White should try} 44. Rf2 $18) 44... Qxb3 $4 {[%mdl 8192]} (44... Re1+ $1 $15 {stays ahead.} 45. Kh2 (45. Nxe1 {is a self mate.} Qf1+ 46. Kh2 Rd2+ 47. Kg3 Qf2+ 48. Kg4 Rd4+ 49. Kh5 Qh4#) 45... Rxb1 46. Rc7+ Kh8 47. Rc8+ Kh7 48. Rc7+ Kh8 49. Rc8+ Kh7 50. Rc7+ Kh8) 45. Rxb3 Rg5 46. Rb7+ {Accuracy: White = 45%, Black = 44%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Galego, Luis"]
[Black "Romanishin, Oleg M"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2479"]
[BlackElo "2435"]
[Annotator "NA RC"]
[PlyCount "11"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 4. O-O {[%emt 0:00:10]} Bg7 {[%emt 0:00:00]} 5. c4 {[%emt 0:00:15]} dxc4 {[%emt 0:01:33]} 6. Qa4+ 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Matsuura, Everaldo"]
[Black "Viana, Dirceu"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2476"]
[BlackElo "2201"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,95,-4,34,25,50,16,62,9,26,24,21,22,22,24,31,0,0,0,0,0,21,0,36,0,0,0,0,33,45,0,23,22,44,34,20,4,31,0,52,0,21,0,84,0,95,95,95,95,95,95,95,77,77,69,69,69,72,65,65,65,65,53,65,65,67,53,55,37,37,37,39,22,45,8,93,93,298,260,647,613,704,697,696,695,682,668]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 b6 7. f4 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} Ba6 8. Nf3 Nc6 {[%cal Bb8c6,Bc6a5,Ba5c4][%mdl 32]} 9. a3 (9. f5 $14 exf5 10. Nf4) (9. g3 Rc8 10. a3 Be7 11. Bh3 g6 12. O-O Na5 13. Rf2 Bc4 14. Be3 Nb3 {½-½ (23) Yu,Y (2749)-Akobian,V (2673) Khanty-Mansiysk 2017}) 9... cxd4 10. cxd4 g6 $146 ({Predecessor:} 10... Na5 11. b4 Bxe2 12. Bxe2 Nc4 13. O-O b5 14. g4 Be7 15. f5 Qb6 {½-½ (29) Moehn,H (2083)-Bellaiche,E (1891) Cap d'Agde 2010}) 11. g3 Rc8 12. Bh3 Qc7 13. Kf2 Na5 14. Nc3 Qb7 15. Re1 Be7 16. Bg2 Nc4 17. g4 h5 18. h3 hxg4 19. hxg4 Nf8 20. Ne2 Na5 21. b4 Bxe2 22. Rxe2 Nc4 23. Qd3 a5 24. b5 Qd7 (24... a4 $11) 25. Rb1 ({Better is} 25. a4 $14) 25... Rc7 26. g5 Kd8 (26... Qc8 $1 $11 {keeps the balance.}) 27. Rc2 (27. Nd2 $1 $16) 27... Kc8 (27... Nxa3 $11 28. Bxa3 (28. Rxc7 Qxc7 29. Bxa3 Bxa3 $17) 28... Bxa3) 28. Nd2 $16 Nxd2 29. Qxd2 Rxc2 30. Qxc2+ Qc7 31. Qd3 Kb7 32. Bd2 Nd7 33. Rc1 Qd8 34. Kg3 Nb8 35. a4 Qd7 36. Bf3 Qd8 37. Qc2 Qd7 38. Qb1 Ba3 39. Rh1 Rxh1 40. Qxh1 Qe7 41. Qh7 {aiming for f5!} Nd7 42. f5 Nf8 {[#]} (42... gxf5 43. Bh5 $16) (42... Bb4 $1 $11) 43. Qg7 $1 $36 {[%mdl 2048] Keeping Black busy.} gxf5 $2 (43... Bb4 $16 44. f6 Qe8) 44. Bh5 $18 Bb4 $2 {[#]} (44... Bb2 45. Be3 (45. Qxf7 Qxf7 46. Bxf7 Bxd4 $18) 45... Ng6) 45. Be3 $1 {White is clearly winning.} ({Not} 45. Bxb4 axb4 46. Qf6 Qxf6 $17) 45... Ng6 46. Bxg6 fxg6 47. Qxg6 Be1+ 48. Kf3 {Accuracy: White = 39%, Black = 37%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Von Buelow, Georg"]
[Black "Guimaraes, Diogo Duarte"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2354"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,46,17,38,40,39,46,49,48,50,50,71,75,133,117,156,144,178,142,129,127,145,40,25,0,0,-6,-9,-129,-125,-218,-214,-199,-209]} 1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. e3 Bf5 5. Nc3 a6 6. Qb3 Ra7 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} 7. a4 {[%cal Ba2a4,Ba4a5,Ba5b6][%mdl 32]} e6 8. a5 h6 {LiveBook: 3 Games. The position is equal.} 9. Qb6 Qxb6 10. axb6 Ra8 11. c5 Nbd7 12. b4 Rc8 13. Nd2 g5 $146 (13... Be7 $142) ({Predecessor:} 13... Nxb6 14. cxb6 Bxb4 {1-0 (42) Gupta,A (2654)-Deshpande,A (2230) Pune 2016}) 14. Nb3 $16 Bg7 15. Na5 Rb8 16. Bb2 O-O 17. f3 e5 {[#]} 18. Kd2 (18. Bxa6 $1 $16 {[%mdl 512]} bxa6 19. Nxc6 {[%mdl 64] Double Attack}) 18... Rfe8 $14 19. Bxa6 (19. Na4 {is more complex.} e4 20. Nxb7 Rxb7 21. Bxa6 Rbb8 22. b5) 19... bxa6 20. Nxc6 {[#]} exd4 $1 {[%mdl 512]} 21. exd4 {[#]} (21. Nxd4 $11 {keeps the balance.} Bg6 22. Rhd1) 21... Nxb6 $1 $17 {[%mdl 512]} 22. Nxb8 (22. cxb6 $17 Rxb6 23. b5 axb5 24. Nb4) 22... Nc4+ $19 {[%mdl 64] Double Attack, Zwischenzug} 23. Kc1 Rxb8 {Accuracy: White = 60%, Black = 54%.} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Brito, Luismar"]
[Black "Di Berardino, Diego Rafael"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2349"]
[BlackElo "2526"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,89,5,5,16,0,0,-41,-36,-16,-29,-67,-66,-70,-58,-81,-62,-70,-47,-93,-78,-82,-86,-94,-32,-42,0,-16,-9,-17,-10,-50,70,44,56,-2,0,-20,-31,-55,0,0,0,-15,-16,-50,-41,-33,-39,-32,40,47,53,0,0,0,0,0,0,-24,0,0,12,26,26,16,108,77,137,126,110,0,0,0,0,-873,-793,-29974,-29975,-29986,-29987,-29996]} 1. e4 c5 2. Nf3 b6 3. Nc3 Bb7 4. d3 (4. d4 cxd4 5. Nxd4 a6 6. Bd3 e6 7. f4 Qc7 8. Qf3 Ne7 9. Bd2 Nbc6 10. Nb3 d5 11. a3 dxe4 12. Nxe4 Nf5 13. Bc3 Be7 14. g4 {½-½ (31) Inarkiev,E (2732)-Hou,Y (2658) Petropavlovsk Kamchatsky 2016}) 4... e6 5. g3 Nf6 6. Bg2 {LiveBook: 3 Games. B27: Sicilian: 2 Nf3, unusual Black 2nd moves} d5 7. e5 Nfd7 8. Bf4 {The position is equal.} Nc6 9. h4 Be7 10. Qe2 a6 11. O-O h6 12. h5 g5 $146 13. hxg6 $1 fxg6 14. g4 g5 15. Bg3 Nf8 16. Rad1 b5 ({Better is} 16... Ng6 $17) 17. d4 $15 c4 18. Qe3 Ng6 19. Ne2 Qb6 20. c3 {[%cal Bc2c3,Bc3c4,Bc4c5][%mdl 32]} O-O (20... O-O-O $15) 21. Nd2 Rf7 22. b3 (22. f4 $14) 22... cxb3 $11 23. axb3 Raf8 24. c4 Nb4 (24... Nf4 $15 25. Bxf4 gxf4) 25. c5 $36 {[%mdl 2048] White is more active.} Qc7 26. Qc3 a5 27. Ra1 Kg7 28. Rxa5 Qxa5 29. Ra1 Qxa1+ (29... Qc7 $15 30. Qxb4 Bc6) 30. Qxa1 $14 Ra8 31. Qc3 (31. Qd1 $14) 31... Nc6 $11 32. Qb2 b4 $1 33. Nc1 Ba6 34. Bf1 Bxf1 35. Nxf1 {[%cal Bd2f1,Bf1e3,Be3c2][%mdl 32]} Bd8 36. Ne3 Nf4 37. Kh2 Rfa7 (37... Be7 $11) 38. Nc2 Be7 (38... Rf7 $142) 39. Bxf4 $1 $16 gxf4 40. f3 (40. Ne1 $16) 40... Kf7 $11 41. Kh3 h5 42. Nd3 $2 {[%mdl 8192] [#]} (42. g5 $11) 42... hxg4+ $19 43. Kxg4 Rg8+ 44. Kxf4 Bg5+ 45. Kg4 {Accuracy: White = 30%, Black = 52%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Menna Barreto, Felipe Kubiaki"]
[Black "Rodi, Luis Ernesto"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2342"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,137,39,46,54,54,46,58,65,51,101,92,94,65,66,62,72,71,64,66,92,98,101,90,93,92,143,138,143,143,142,130,170,116,129,127,159,142,217,212,191,165,165,164,157,147,158,120,157,147,153,136,143,136,143,135,170,147,363,363,356,356,356,356,349,337,299,257,260,227,192,125,128,131,128,125,125,119,125,125,125,125,125,125,125,125,125,125,5622,5904,29975,29974,29975,29974,29976,29977,29978,29979,29979,29981,29981,29981,29979,29982,29982,29983,29983,29984,29984,29985,29985,29986,29986,29987,29987,29988,29988,29989,29989,29990,29992,29993,29994,29995,29995,29996]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qc2 Bf5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6... Bg4 7. Nbd2 e6 8. h3 Bf5 9. Qb3 c4 10. Qxb6 axb6 11. a3 b5 12. Rc1 h6 13. Be2 Be7 14. Bd1 {0-1 (84) Tologontegin,S (2419)-Steingrimsson,H (2573) Batumi 2018}) 7. dxc5 Bxc2 8. cxb6 {LiveBook: 8 Games} Bxb1 {White is slightly better.} 9. Rxb1 axb6 10. a3 Nd7 11. Bb5 f6 $146 ({Predecessor:} 11... e6 12. O-O Be7 13. Rfd1 O-O 14. c4 {0-1 (23) Emrich,J-Haag,G (2100) Kaiserslautern 2005}) 12. Rd1 e6 13. c4 dxc4 14. Nd4 e5 {Hoping for ...Ra5.} 15. Nxc6 bxc6 16. Bxc6 {[%mdl 64] Double Attack} O-O-O 17. Bg3 Nc5 18. Rxd8+ Kxd8 19. Ke2 Kc7 (19... h5 $142) 20. Bb5 $1 $16 c3 21. b4 $1 {[%cal Rb4c5]} Ne4 22. Rc1 Bd6 {[#]} 23. Bd3 ({White should play} 23. Bh4 $1 $18) 23... Nxg3+ 24. hxg3 {[%mdl 4096] Endgame KRB-KRB} h6 25. Rxc3+ Kb8 (25... Kd7 $16 26. Bf5+ Ke7) 26. Rc6 $18 Bc7 27. a4 Rd8 28. Be4 Rd6 29. Rc3 Rd8 30. Rb3 Ka7 31. g4 Rd7 32. Rd3 Rd6 33. Kd2 Kb8 34. Kc3 Kc8 35. Kc4 Kd7 $2 (35... Rxd3 $16 36. Bxd3 (36. Kxd3 Bd6 $16) 36... Bd6) 36. Kb5 Rxd3 37. Bxd3 {KB-KB} Bd8 38. a5 bxa5 39. bxa5 Kc7 40. a6 Be7 41. Be4 {White threatens a7 and mate.} Kb8 {[#]} 42. Kb6 (42. Kc4 $1 $18) 42... Bd8+ $16 43. Kc6 Ka7 44. Kd7 Ba5 45. Bb7 Be1 46. f3 e4 47. Bxe4 Bf2 48. Bd3 Bxe3 49. Ke6 {Kf5 is the strong threat.} Bd4 50. Kf7 f5 $2 {[%mdl 8192]} (50... g5 $16 51. Kg6 Bc3 52. Kxh6 Be5) 51. gxf5 $18 h5 52. g3 {White mates.} Be5 53. Bf1 Kb6 54. g4 hxg4 55. fxg4 Bd4 56. g5 Kc7 57. Ke6 Kb6 58. f6 gxf6 59. gxf6 Bc3 60. f7 Bb4 61. Kd7 Bc5 62. Ke8 Kc7 63. f8=Q Bxf8 64. Kxf8 Kb6 65. Ke8 Kc7 66. Ke7 Kb6 67. Kd6 Ka7 68. Kc7 Ka8 69. Kb6 {Accuracy: White = 78%, Black = 38%.} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Larrea, Manuel"]
[Black "Hoffman, Alejandro"]
[Result "0-1"]
[ECO "B75"]
[WhiteElo "2271"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,66,25,43,35,20,36,44,0,0,0,0,10,36,36,32,0,0,0,20,-44,-54,-111,-67,-68,-62,-51,-58,-102,-70,-172,-142,-163,-156,-149,-111,-101,-65,-82,-45,-250,-235,-225,-185,-182,-172,-206,-197,-1019,-1002]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 a6 8. Qd2 h5 {B75: Sicilian Dragon: Yugoslav Attack, Miscellaneous} (8... Nbd7 9. a4 Ne5 10. Be2 Bd7 11. a5 Rc8 12. g4 Nc4 13. Bxc4 Rxc4 14. g5 Nh5 15. Nd5 O-O 16. Nb6 Rc7 {0-1 (67) Bacrot,E (2725)-Adhiban,B (2655) Riadh 2017}) 9. O-O-O Nbd7 10. Kb1 b5 {LiveBook: 7 Games. White has an edge.} 11. Nc6 Qc7 12. Nb4 Bb7 13. Nbd5 $146 ({Predecessor:} 13. Bd4 O-O 14. Be2 Ne5 15. Rhe1 e6 16. Qg5 {0-1 (28) Guzenko,A (2235)-Pankov,G (2381) St Petersburg 2011}) 13... Bxd5 14. Nxd5 Nxd5 15. exd5 Nf6 16. Be2 Rc8 17. Rc1 Qb7 18. Rhd1 O-O 19. Bf1 (19. Qd3 $11) 19... b4 $15 20. Bd4 ({White should play} 20. h4 $15) 20... a5 21. c4 bxc3 $1 22. Bxc3 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 23. Rc2 a3 24. Bxf6 (24. b3 $15) 24... Bxf6 25. b3 {[#]} Rxc2 $1 26. Qxc2 Rc8 27. Bc4 Qb6 {Strongly threatening ...Qe3.} 28. g3 g5 29. h4 $2 {[#]} ({White should try} 29. Qe2 $15) 29... gxh4 $19 30. gxh4 Kf8 {And now ...Qe3 would win.} 31. Qe2 Bxh4 32. f4 Bf6 33. Rh1 $2 (33. Kc2) 33... Qd4 {Accuracy: White = 35%, Black = 80%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Rocha, Vitor Firmo De Souz"]
[Black "Teixeira, Ricardo Da Silva"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2174"]
[BlackElo "2239"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,50,-10,-16,0,0,0,0,10,-14,-33,-75,-76,-132,-111,-131,-138,-229,-144,-193,-161,-340,-307,-454,-477,-672,-659,-915,-915,-894,-810,-782,-791,-29988,-29989]} 1. e4 e6 2. d4 d5 3. Nd2 a6 4. c3 c5 5. dxc5 (5. e5 Nc6 6. Ndf3 cxd4 7. cxd4 Qb6 8. Bd3 f6 9. a3 g6 10. h4 Bg7 11. h5 fxe5 12. dxe5 Nge7 13. Qe2 Nf5 14. hxg6 hxg6 15. Rxh8+ Bxh8 {1-0 (29) Mchedlishvili,M (2604)-Mousavi,S (2432) Guilan 2016}) 5... Bxc5 6. Nb3 {C03: French Tarrasch: Unusual Black 3rd moves} Bb6 7. exd5 exd5 8. Nf3 Nc6 9. Be2 Nf6 10. O-O {LiveBook: 5 Games} Ne4 11. Nfd4 O-O 12. Be3 Bc7 $146 ({Predecessor:} 12... Re8 13. Qc2 Bd7 14. Rad1 {0-1 (29) Polok,K (2136)-Kalvaitis,S (2252) Krakow 2011}) 13. Nxc6 bxc6 14. f4 Re8 15. Bd4 {[#]} ({Better is} 15. Bf3) 15... Qh4 $1 $40 {[%mdl 128] Black is out for blood.} 16. Qe1 {[#]} Qh6 $1 17. g3 (17. Be3 $17 {is a better defense.}) 17... a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 18. Rd1 Rb8 19. Rb1 $2 (19. Nc5) 19... a4 $19 20. Nd2 (20. Nc5 {was the only chance.} Nxc5 21. Bxc5) 20... c5 21. Be5 (21. Bf2 $142 Bf5 22. Nf3) 21... Rxe5 22. fxe5 {And now Nxe4 would win.} Nxd2 23. Qf2 Nxf1 24. Rxf1 Be6 25. Qxc5 Bb6 {Accuracy: White = 20%, Black = 76%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Lebredo Zaragoitia, Gerardo"]
[Black "Santos Filho, Tadeu Sousa"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2139"]
[BlackElo "2078"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,27,24,39,31,52,0,23,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 h6 6. Bh4 O-O 7. e3 c5 8. d5 g5 9. Bg3 Nh5 {E61: King's Indian: Early deviations for White, including Smyslov System} 10. Nd2 (10. Bd3 f5 11. Nd2 Nxg3 12. hxg3 Nd7 13. f4 Nf6 14. Qe2 gxf4 15. gxf4 Ng4 16. e4 fxe4 17. Qxe4 {0-1 (34) Indjic,A (2581)-Amin,B (2680) Abu Dhabi 2017}) 10... Nxg3 11. hxg3 f5 {LiveBook: 22 Games} 12. Qc2 Na6 13. Nf3 $146 (13. O-O-O $14) ({Predecessor:} 13. a3 e6 14. dxe6 Bxe6 15. Be2 Nc7 16. Rd1 Qf6 17. O-O {½-½ (60) Bartel,M (2270)-Socko,M (2467) Poland 2016}) 13... Bd7 14. Be2 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Almeida, Gianluca Jorio"]
[Black "Barreto, Ignacio C. De Barro"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2109"]
[BlackElo "2222"]
[Annotator "TA"]
[PlyCount "21"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,21,31,34,36,27,39,34]} 1. c4 c6 2. Nf3 Nf6 3. Nc3 d5 4. e3 g6 5. b3 Bg7 6. Bb2 O-O 7. Be2 Bg4 8. O-O Nbd7 9. d4 {LiveBook: 21 Games} Nb6 {D94: Grünfeld: 4 Nf3 Bg7 5 e3} 10. cxd5 $146 ({Predecessor:} 10. Nd2 Bxe2 11. Qxe2 e6 12. Rfd1 Re8 13. Rac1 Nbd7 14. h3 Qe7 15. Rc2 Rad8 16. Nf3 Ne4 17. Nd2 {½-½ (75) Drazic,S (2545)-Sargissian,G (2675) Rijeka 2010}) 10... cxd5 11. Rc1 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Souza Neves, Andrey M."]
[Black "Perdomo, Leandro"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2074"]
[BlackElo "2476"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,150,0,0,0,-16,0,-8,-16,-21,15,14,35,29,37,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,-76,0,0,0,0,0,0,0,0,0,-10,-10,-11,-13,-41,0,-29,-36,-143,-149,-136,-12,-12,0,0,0,-12,0,0,0,0,0,0,0,-12,-12,-12,-12,-12,-8,-8,0,0,0,0,0,0,0,0,0,-354,0,-207,-207,-207,-37,-1049,-1036,-802,-8,-500,0,0,0,0,0,-2180,-1729,-3602,-2570,-2304,-4341,-5114,-3179,-29972,-29972,-29973,-29974,-29974,-29973,-29974,-29971,-4622,-4610,-29976,-29978,-29983,-29984,-29984,-29984,-29985,-29986,-29986,-29987]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. e5 Ne4 8. Nxd4 O-O 9. Nf5 d5 10. Nxe7+ Nxe7 11. c3 {LiveBook: 11 Games. C84: Closed Ruy Lopez: Unusual White 6th moves} Ng6 (11... Nc5 12. Bc2 Bf5 13. Na3 Bxc2 14. Nxc2 Qd7 15. Be3 Ne6 16. f4 f5 17. Nd4 Nc6 18. Nxe6 Qxe6 {0-1 (51) Mihok,O (2543)-Kravtsiv,M (2677) Hungary 2018}) 12. f4 c6 13. Be3 {The position is equal.} f6 14. Nd2 $146 {Strongly threatening Nxe4.} ({Predecessor:} 14. exf6 Nxf6 15. f5 Ne5 16. Nd2 Re8 17. Bd4 Qc7 18. Bc2 c5 19. Bxe5 Rxe5 {½-½ (33) Bieszk,S (1108)-Nowak,I (2048) LSS email 2013}) 14... Nxd2 15. Qxd2 Bf5 16. exf6 Qxf6 17. Bc2 Nh4 18. Bxf5 Nxf5 19. Bc5 Rfe8 20. Rae1 Nd6 21. Bd4 Qg6 22. Be5 Nc4 23. Qd4 Nxe5 24. fxe5 Qe6 25. Rf3 Rf8 26. Ref1 Rxf3 27. Rxf3 $11 {[%mdl 4096] Endgame KQR-KQR} Re8 28. Re3 Qf5 29. h3 (29. Qb6 $11) 29... h6 (29... Qb1+ $17 30. Kh2 Qxb2) 30. Kh2 a5 31. c4 dxc4 32. Qxc4+ Re6 33. h4 (33. b3 {looks sharper.} b5 34. Qd4 Re7 35. Qd8+ Qf8 36. Qxf8+ Kxf8 37. Kg3) 33... b5 $36 {[%mdl 2048] Black has good play.} 34. Qe4 (34. Qd4 {is more complex.} Rg6 35. Re4 Re6 36. Re3) 34... Qxe4 35. Rxe4 {KR-KR} Kf7 36. Re2 h5 37. Kg3 Rg6+ 38. Kf4 (38. Kf3 $15) 38... Rg4+ $17 39. Kf3 Ke6 (39... Rxh4 $17 40. b3 a4) 40. Rc2 $1 $11 Kd5 41. Re2 {e6 is the strong threat.} Ke6 42. Rc2 $1 Kd5 43. Re2 {Threatens to win with e6.} Rg6 44. Kf4 Ke6 $1 {And now ...Rg4+ would win.} 45. Rc2 $1 {[%cal Rc2c6]} Rg4+ 46. Kf3 Kxe5 47. Rxc6 Kd5 48. Rc7 a4 49. a3 g5 50. hxg5 Rxg5 51. g3 Rf5+ 52. Ke2 Kd4 53. Rc8 Re5+ 54. Kf2 $2 {[%mdl 8192]} (54. Kd2 $11) 54... Kd3 $2 (54... Rc5 $1 $19 {[%cal Rc5c8]} 55. Rd8+ Kc4) 55. Kf3 $2 (55. Rc3+ $1 $11 {and White is okay.} Kd4 56. Rf3) 55... Re3+ $1 $19 56. Kf4 Re2 $2 (56... Re4+ $19 57. Kg5 Re2 58. Kxh5 Rh2+ 59. Kg5 Rxb2) 57. Rd8+ $2 {[%mdl 8192]} (57. Rh8 $15) 57... Kc4 58. Rc8+ {[#]} Kd5 $2 ({Black should play} 58... Kb3 $1 $19 59. Rc5 Rxb2 60. Rxb5+ Kxa3 61. Rxh5 Rb4+ 62. Kf3 Kb3) 59. Rh8 $2 {[%mdl 8192]} (59. Rd8+ $1 $11 {and White has nothing to worry.} Kc4 60. Rc8+ Kb3 61. Rb8) 59... Rxb2 $2 ({Better is} 59... Rf2+ $19 60. Ke3 Rxb2 61. Rxh5+ Kc4) 60. Rxh5+ $11 Kc4 {Hoping for ...Rf2+.} 61. g4 Rf2+ 62. Kg3 $2 {[%mdl 8192]} (62. Ke4 $11) 62... Ra2 $19 63. g5 Rxa3+ 64. Kf4 {[#]} Rd3 $1 65. g6 Rd8 66. Rh1 b4 67. Rc1+ Kb3 68. Rb1+ Kc3 69. Rc1+ Kb2 70. Rc4 Kb3 71. Rc1 a3 {[%cal Ba4a3,Ba3a2][%mdl 32] Black mates.} 72. Re1 a2 73. g7 Rg8 74. Re3+ Kb2 75. Re2+ Ka3 {Accuracy: White = 49%, Black = 54%.} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Okamura, Milton Kasuo"]
[Black "Moyses Sobrinho, Elias"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2038"]
[BlackElo "1931"]
[Annotator "NA RC"]
[PlyCount "84"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,83,105,83,101,87,105,102,126,32767,32767,32767,32767,127,123,99,124,119,102,32767,94,91,139,32767,32767,32767,32767,124,135,90,93,130,127,29,25,22,33,1,33,28,32767,32767,32767,-183,-255,-241,-254,-254,-279,-5289,-1035,-1155,-30,-22,0,-157,-171,-620,-433,-399,32767,32767,32767,32767,32767,-29989]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:05:55]} 2. c4 {[%emt 0:00:00]} c5 {[%emt 0:00:11]} 3. d5 {[%emt 0:00:00]} d6 {[%emt 0:00:12]} 4. Nc3 {[%emt 0:00:03]} g6 {[%emt 0:00:08]} 5. e4 {[%emt 0:00:21]} Bg7 {[%emt 0:00:08]} 6. h3 {[%emt 0:00:23]} O-O {[%emt 0:00:49]} 7. Nf3 {[%emt 0:00:10]} Nbd7 {[%emt 0:00:36]} 8. Bd3 {[%emt 0:00:19]} a6 {[%emt 0:03:21]} 9. O-O {[%emt 0:00:27] E90: King's Indian: Classical: Early deviations and 6 h3} (9. a4 b6 10. O-O e5 11. a5 bxa5 12. Qa4 Rb8 13. Qxa5 Qe7 14. Rb1 Nh5 15. Bg5 f6 16. Bd2 Nf4 {0-1 (43) Matlakov,M (2728)-Aronian,L (2799) Tbilisi 2017}) 9... Nh5 {[%emt 0:01:01]} 10. Be2 $146 {[%emt 0:03:10]} ({Predecessor:} 10. Bg5 Qe8 11. Qd2 f6 12. Be3 g5 13. g4 Nf4 14. Bxf4 gxf4 15. Qxf4 Ne5 16. Qe3 h5 17. Nxe5 fxe5 {½-½ (36) Turzo,A (2265)-Kovacs,G (2150) Budapest 1995}) 10... h6 {[%emt 0:09:02]} 11. a4 {[%emt 0:05:23]} Kh7 {[%emt 0:00:15]} 12. Re1 {[%emt 0:01:56]} Nhf6 {[%emt 0:04:11]} 13. Bf4 {[%emt 0:00:29]} Ng8 {[%emt 0:02:13]} 14. Bd3 {[%emt 0:00:35]} Ne5 {[%emt 0:00:11]} 15. Nxe5 {[%emt 0:01:16]} Bxe5 {[%emt 0:00:06]} 16. Bxe5 {[%emt 0:01:06]} dxe5 {[%emt 0:00:10]} 17. Qd2 {[%emt 0:02:27]} Qd6 {[%emt 0:01:39]} 18. a5 {[%emt 0:01:26]} Bd7 {[%emt 0:01:03]} 19. Qe3 {[%emt 0:01:05]} Nf6 {[%emt 0:03:39]} 20. Be2 {[%emt 0:01:06]} b6 {[%emt 0:03:22]} 21. Reb1 {[%emt 0:05:05]} Rfb8 {[%emt 0:00:21]} 22. axb6 {[%emt 0:02:56]} Qxb6 {[%emt 0:01:10]} 23. f4 {[%emt 0:08:24]} Qc7 {[%emt 0:04:33]} 24. fxe5 {[%emt 0:04:23]} Qxe5 {[%emt 0:00:08] [#]} 25. Ra5 $1 {[%emt 0:00:44]} ({Reject} 25. Qxc5 $6 Bxh3 26. gxh3 Qg3+ {[%mdl 64] Double Attack} 27. Kf1 Qxh3+ 28. Kg1 Qg3+ 29. Kh1 Qh3+ 30. Kg1 Qg3+ 31. Kh1 Qh3+ 32. Kg1 $11) 25... Qd4 {[%emt 0:00:36]} 26. Kf2 {[%emt 0:00:22]} (26. Qf2 $16) 26... Rb3 $1 {[%emt 0:03:45]} 27. Bd3 {[%emt 0:05:56]} Rab8 {[%emt 0:01:12]} 28. Rxc5 {[%emt 0:02:27]} Rxb2+ {[%emt 0:02:31]} 29. Rxb2 {[%emt 0:00:13]} Rxb2+ {[%emt 0:00:08]} 30. Ne2 {[%emt 0:00:11]} Qe5 {[%emt 0:03:48] [#]} 31. Ra5 $2 {[%emt 0:01:49] [#]} (31. d6 $1 $11 {[%mdl 512]} Qe6 (31... Qxd6 32. e5) 32. dxe7) 31... Bg4 $1 {[%emt 0:01:18]} 32. Rxa6 {[%emt 0:08:06]} Bxe2 $1 {[%emt 0:00:17]} 33. Bxe2 {[%emt 0:00:20]} Nxe4+ {[%emt 0:01:03]} 34. Ke1 $2 {[%emt 0:06:13]} (34. Kg1 Rb1+ 35. Bf1) 34... f5 {[%emt 0:03:05]} (34... Rb1+ $142 35. Bd1 Qh2 36. Qxe4 Qg1+ 37. Ke2 Qxd1+ 38. Kf2 Qg1+ 39. Kg3 Rb3+ 40. Qf3 Qe1+ 41. Kg4 h5+ 42. Kf4 {[#]} g5+ $1 {[%mdl 512]} 43. Kxg5 Rxf3 44. gxf3 Qe5+ 45. Kh4 Qf4+ {[%mdl 64] Double Attack} 46. Kxh5 f6 47. Rxf6 exf6 48. h4 Qxf3#) 35. Re6 {[%emt 0:01:42]} Qh2 $2 {[%emt 0:04:08]} (35... Rb1+ $19 36. Bd1 Qa1 37. Rxe7+ Kg8) 36. Rxe7+ {[%emt 0:01:27]} Kg8 {[%emt 0:00:11]} 37. Rxe4 $2 {[%emt 0:11:34]} (37. Rg7+ $11 Kxg7 38. Qd4+ Kf7 39. Qxb2) 37... fxe4 {[%emt 0:00:17]} 38. Bf1 $2 {[%emt 0:05:19]} (38. Kf2 $17) 38... Qe5 {[%emt 0:04:22]} 39. Be2 {[%emt 0:01:27]} g5 {[%emt 0:04:24]} 40. Bg4 {[%emt 0:02:18]} Rxg2 {[%emt 0:02:27]} 41. Be6+ {[%emt 0:00:10]} Kh8 {[%emt 0:00:14]} 42. Qa3 {[%emt 0:00:18]} Rg1+ 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Torella, Rodolfo"]
[Black "Chang, Suzana"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "2036"]
[BlackElo "1968"]
[Annotator "NA RC"]
[PlyCount "89"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,89,40,37,18,26,20,0,32767,10,9,38,21,22,26,23,28,32767,8,0,33,12,32767,0,0,-3,-8,-58,-35,-44,-45,-51,-36,-101,-38,-40,-28,-57,-65,-74,0,-53,0,0,0,0,32767,0,0,0,0,0,-8,-54,-69,-67,-70,-74,32767,32767,32767,-120,32767,-183,-198,32767,32767,32767,32767,32767,-318,-241,-311,-564,32767,32767,32767,32767,537,581]} 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:05]} Nc6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:49]} Qc7 {[%emt 0:00:28]} 6. Be3 {[%emt 0:03:49]} a6 {[%emt 0:00:29]} 7. Be2 {[%emt 0:03:26]} Nf6 {[%emt 0:00:31]} 8. O-O {[%emt 0:07:21]} Be7 {[%emt 0:00:38]} 9. Kh1 {[%emt 0:01:03]} O-O {[%emt 0:00:14]} 10. f4 {[%emt 0:01:27]} d6 {[%emt 0:00:12]} 11. Qe1 {[%emt 0:11:09]} Nxd4 {[%emt 0:01:21]} 12. Bxd4 {[%emt 0:01:29]} b5 {[%emt 0:01:03]} 13. Qg3 {[%emt 0:08:19]} Bb7 {[%emt 0:04:35]} 14. a3 {[%emt 0:06:41]} Rad8 {[%emt 0:00:50]} 15. Rae1 {[%emt 0:01:40] B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3} Rd7 {[%emt 0:00:51]} (15... Qd7 16. Bd3 Nh5 17. Qg4 Nf6 18. Qg3 Nh5 19. Qg4 Nf6 20. Qg3 Nh5 21. Qg4 Nf6 22. Qg3 {½-½ (24) Andreikin,D (2712)-Grischuk,A (2772) Huaian 2017}) 16. Bd3 {[%emt 0:03:02]} Re8 {[%emt 0:09:43]} 17. Qh3 {[%emt 0:06:22]} e5 {[%emt 0:03:43]} 18. fxe5 {[%emt 0:05:56]} dxe5 {[%emt 0:00:15]} 19. Nd5 {[%emt 0:08:17]} Bxd5 {[%emt 0:05:25] LiveBook: 4 Games} 20. exd5 {[%emt 0:00:13]} Rxd5 {[%emt 0:01:50]} 21. Rxf6 {[%emt 0:06:07]} Bxf6 {[%emt 0:01:40]} 22. Qxh7+ {[%emt 0:00:15]} Kf8 {[%emt 0:00:10]} 23. Bc3 $146 {[%emt 0:00:31]} a5 {[%emt 0:02:57]} 24. Be4 $5 {[%emt 0:04:15]} Rd6 {[%emt 0:07:40]} (24... Rdd8 25. Qh8+ Ke7 26. Qh5 $15) 25. Bd3 {[%emt 0:01:58]} Rd5 {[%emt 0:01:35]} ({Black should try} 25... Qb6 $15) 26. Rf1 {[%emt 0:01:36]} Ke7 {[%emt 0:16:48]} 27. Qe4 {[%emt 0:00:37]} Red8 {[%emt 0:07:36]} 28. Qe1 {[%emt 0:00:43]} Rxd3 {[%emt 0:11:00]} 29. cxd3 {[%emt 0:01:01]} Rxd3 {[%emt 0:00:28]} 30. Bxa5 {[%emt 0:00:17]} Qc4 {[%emt 0:01:00]} 31. Bb4+ {[%emt 0:02:32]} Ke8 {[%emt 0:05:05]} 32. Rf2 {[%emt 0:00:47]} Qd5 {[%emt 0:00:40]} 33. Rf1 {[%emt 0:02:24]} e4 {[%emt 0:02:07]} 34. Qe2 {[%emt 0:01:42]} Be7 {[%emt 0:05:13]} 35. Bc3 {[%emt 0:01:14]} g6 {[%emt 0:00:10]} 36. Rc1 {[%emt 0:06:25]} (36. Qg4 $15) 36... f5 {[%emt 0:01:17]} 37. h3 {[%emt 0:01:02]} Bg5 {[%emt 0:04:46]} 38. Rb1 {[%emt 0:01:41]} Bd8 {[%emt 0:01:13]} 39. Be1 {[%emt 0:01:39]} Bc7 {[%emt 0:02:23]} 40. Bf2 {[%emt 0:00:14]} Rd2 {[%emt 0:00:48]} 41. Qe3 {[%emt 0:01:07]} f4 {[%emt 0:01:14]} 42. Qc3 $2 {[%emt 0:01:02]} (42. Qc5 {keeps fighting.} Qxc5 43. Bxc5) 42... Rd1+ {[%emt 0:01:35]} 43. Rxd1 {[%emt 0:00:15]} Qxd1+ {[%emt 0:00:01]} 44. Kh2 {[%emt 0:00:15]} f3+ $18 {[%emt 0:00:52]} (44... Qd6 $15 45. Kg1 Kf7 46. Qb3+ Kg7) 45. Qxc7 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Nascimento, Pedro Henrique Alve"]
[Black "Manzi, Luiz Antonio Bardar"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2007"]
[BlackElo "2047"]
[Annotator "NA RC"]
[PlyCount "100"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,100,24,7,32767,32767,13,26,27,32767,32767,-28,-39,32767,-23,-49,0,0,-4,32767,32767,0,0,-11,-26,-102,-57,32767,32767,-89,-98,32767,32767,-120,-91,-93,-61,-74,32767,32767,32767,-8,-4,-9,0,0,0,-6,0,0,32767,32767,32767,32767,32767,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,16,32767,32767,0,32767,32767,32767,0,32767,32767,32767,32767,32767,8,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:51]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:18]} 4. cxd5 {[%emt 0:00:07]} exd5 {[%emt 0:00:06]} 5. Bg5 {[%emt 0:00:11]} Be7 {[%emt 0:00:07]} 6. e3 {[%emt 0:00:07]} O-O {[%emt 0:01:51]} 7. Bd3 {[%emt 0:00:08]} c6 {[%emt 0:02:07]} 8. Qc2 {[%emt 0:00:10]} h6 {[%emt 0:00:38] LiveBook: 134 Games} 9. Bh4 {[%emt 0:00:09]} a5 {[%emt 0:02:10]} 10. a4 {[%emt 0:02:34] D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} (10. Nge2 Na6 11. a3 Re8 12. O-O Be6 13. f3 Qd7 14. Bf2 Red8 15. Rad1 b5 16. Kh1 Rdb8 17. e4 b4 {½-½ (31) Guseynov,A (2341)-Tarlabasi,E (2117) Cesme 2018}) 10... Na6 {[%emt 0:00:13]} 11. Bxa6 $146 {[%emt 0:01:19]} ({Predecessor:} 11. Qd2 Nb4 12. Bb1 b6 13. Nf3 Ba6 14. Qd1 Nd7 15. Bg3 Rc8 16. Ne5 Nxe5 17. Bxe5 Bd6 18. Bxd6 Qxd6 {½-½ (56) Malin,O (1736)-Rolvag,B (1951) Tromsoe 2012}) 11... Rxa6 {[%emt 0:00:17]} 12. Nge2 {[%emt 0:01:16]} Bg4 {[%emt 0:12:14]} 13. O-O {[%emt 0:04:11]} Ne4 {[%emt 0:05:55]} ({Better is} 13... g5 $15 14. Bg3 Nd7) 14. Bxe7 {[%emt 0:02:53]} Qxe7 {[%emt 0:00:09]} 15. Nxe4 {[%emt 0:02:05]} Bxe2 {[%emt 0:00:08]} 16. Qxe2 {[%emt 0:04:26]} Qxe4 {[%emt 0:00:07]} 17. f3 {[%emt 0:00:29]} Qe7 {[%emt 0:00:19]} 18. e4 {[%emt 0:00:43]} (18. Ra3 $11) 18... Re8 {[%emt 0:00:53]} (18... Rb6 $17 19. e5 Qb4) 19. Rfe1 {[%emt 0:01:54]} Qb4 {[%emt 0:00:21]} 20. Qf2 {[%emt 0:00:52]} dxe4 {[%emt 0:01:49]} 21. fxe4 {[%emt 0:00:45]} Rb6 {[%emt 0:00:17]} 22. Re2 {[%emt 0:00:54]} Rd8 {[%emt 0:04:24]} 23. Rd2 {[%emt 0:01:55] [#]} c5 $1 {[%emt 0:01:53]} 24. d5 {[%emt 0:02:53]} Qxe4 {[%emt 0:01:44]} 25. Qxc5 {[%emt 0:00:24]} Rbd6 {[%emt 0:00:13]} 26. Qxa5 {[%emt 0:01:58]} Qe3+ {[%emt 0:00:36]} 27. Kh1 {[%emt 0:01:00]} Qb3 {[%emt 0:02:02]} 28. h3 {[%emt 0:08:31]} b6 {[%emt 0:00:04]} 29. Qc3 {[%emt 0:02:52]} Qxc3 {[%emt 0:00:10]} 30. bxc3 {[%emt 0:00:05]} Rxd5 {[%emt 0:00:17]} 31. Rxd5 {[%emt 0:00:08]} Rxd5 {[%emt 0:00:15]} 32. Rb1 {[%emt 0:00:10]} Rc5 {[%emt 0:00:16]} 33. Rxb6 {[%emt 0:00:18]} Rxc3 {[%emt 0:00:07]} 34. Rb8+ {[%emt 0:01:31]} Kh7 {[%emt 0:00:07]} 35. a5 {[%emt 0:04:16]} Ra3 {[%emt 0:00:07]} 36. Ra8 {[%emt 0:00:22]} g5 {[%emt 0:03:10]} 37. Kg1 {[%emt 0:01:14]} Ra2 {[%emt 0:00:11]} 38. g4 {[%emt 0:01:26]} Kg7 {[%emt 0:01:42]} 39. a6 {[%emt 0:00:16]} Kh7 {[%emt 0:01:04]} 40. a7 {[%emt 0:00:35]} Kg7 {[%emt 0:00:08]} 41. Kf1 {[%emt 0:00:58]} Kf6 {[%emt 0:02:06]} 42. Ke1 {[%emt 0:00:25]} Ra1+ {[%emt 0:00:32]} 43. Kd2 {[%emt 0:00:14]} Ra2+ {[%emt 0:00:07]} 44. Kc3 {[%emt 0:00:44]} Ra3+ {[%emt 0:00:07]} 45. Kb4 {[%emt 0:00:46]} Ra1 {[%emt 0:00:07]} 46. Kb5 {[%emt 0:00:14]} Rb1+ {[%emt 0:00:07]} 47. Kc4 {[%emt 0:02:08]} Rc1+ {[%emt 0:00:06]} 48. Kb3 {[%emt 0:00:17]} Ra1 {[%emt 0:00:16]} 49. Kb2 {[%emt 0:00:11]} Ra6 {[%emt 0:00:07]} 50. Kb3 $11 {[%emt 0:00:39]} Ra1 {[%emt 0:00:11]} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Peixoto, Rudson Marinho"]
[Black "Moccero, Eduardo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2007"]
[BlackElo "1945"]
[Annotator "NA RC"]
[PlyCount "101"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,83,12,29,16,32767,32767,8,22,32767,5,24,31,36,28,31,35,72,55,96,72,97,73,102,83,88,50,61,49,65,58,32767,32767,68,44,58,56,32767,47,32767,32767,32767,41,55,47,50,66,32767,32767,116,113,126,115,112,108,117,61,453,462,1470,2204,1690,720,1683,1634,1631,833,802,817,895,830,929,1064]} 1. e4 {[%emt 0:04:03]} d5 {[%emt 0:00:00]} 2. exd5 {[%emt 0:00:11]} Qxd5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:08]} Qa5 {[%emt 0:00:00]} 4. Nf3 {[%emt 0:00:26]} Nf6 {[%emt 0:00:00]} 5. Be2 {[%emt 0:00:22]} Bf5 {[%emt 0:01:00]} 6. O-O {[%emt 0:00:16]} e6 {[%emt 0:00:54] B01: Scandinavian Defence} 7. a3 {[%emt 0:00:24]} c6 {[%emt 0:00:52]} 8. d3 {[%emt 0:00:10]} Nbd7 {[%emt 0:01:29]} 9. Bf4 {[%emt 0:00:22]} Be7 {[%emt 0:02:28]} 10. b4 {[%emt 0:00:13]} Qd8 {[%emt 0:01:08]} 11. Nh4 {[%emt 0:00:41]} Bg6 {[%emt 0:00:34]} 12. Nxg6 {[%emt 0:00:33]} hxg6 {[%emt 0:00:09]} 13. h3 $146 {[%emt 0:00:09]} ({Predecessor:} 13. Ne4 Nxe4 14. dxe4 {1-0 (49) Portilla Garcia,W-Valencia Lotero,J (1925) Columbia 2009}) 13... Nh5 {[%emt 0:02:56]} 14. Bh2 {[%emt 0:00:12]} Nb6 {[%emt 0:02:52]} 15. Ne4 {[%emt 0:00:18]} Nd5 {[%emt 0:06:30]} 16. Qd2 {[%emt 0:00:36]} Nhf6 {[%emt 0:01:15]} 17. c4 {[%emt 0:01:01]} Nxe4 {[%emt 0:01:34]} 18. dxe4 {[%emt 0:00:21]} Nf6 {[%emt 0:00:26]} 19. Qc2 {[%emt 0:00:10]} O-O {[%emt 0:03:01]} 20. Rad1 {[%emt 0:00:10]} Qc8 {[%emt 0:00:27]} 21. Rfe1 {[%emt 0:00:46]} c5 {[%emt 0:03:16]} 22. b5 {[%emt 0:00:26]} Rd8 {[%emt 0:01:52]} 23. Bf3 {[%emt 0:00:19]} Rxd1 {[%emt 0:03:36]} 24. Rxd1 {[%emt 0:00:13]} a6 {[%emt 0:02:29]} 25. a4 {[%emt 0:01:20]} axb5 {[%emt 0:00:52]} 26. axb5 {[%emt 0:00:11]} Nd7 {[%emt 0:01:17]} 27. e5 {[%emt 0:01:33]} Nb6 {[%emt 0:04:40]} 28. Bg3 {[%emt 0:00:59]} Ra4 {[%emt 0:01:08]} 29. Be2 {[%emt 0:00:47]} Qa8 {[%emt 0:01:14]} 30. Qe4 {[%emt 0:00:32]} Ra1 {[%emt 0:09:35] [#]} (30... g5 $14) 31. Rxa1 $1 {[%emt 0:00:33]} Qxa1+ {[%emt 0:00:05]} 32. Kh2 {[%emt 0:00:07]} Qa8 {[%emt 0:01:01]} 33. h4 {[%emt 0:00:21]} Qc8 {[%emt 0:03:36]} 34. h5 {[%emt 0:00:46]} (34. f4 $16) 34... g5 $2 {[%emt 0:00:55]} ({Better is} 34... gxh5 $14 35. Bxh5 Qd7) 35. Bd3 {[%emt 0:00:24]} f5 {[%emt 0:02:51]} (35... g6 $142 36. hxg6 Qf8 37. Qxb7 Bd8) 36. exf6 $1 {[%emt 0:00:14]} Bxf6 {[%emt 0:00:08]} 37. Qh7+ {[%emt 0:00:49]} (37. Bd6 $142 Bb2 38. Qh7+ Kf7 39. h6 Qd7 40. Qg6+ {[%mdl 64] Double Attack} Kg8 41. Kg1 Bd4 42. Qh7+ Kf7 43. hxg7) 37... Kf8 {[%emt 0:00:16]} 38. h6 {[%emt 0:02:34]} e5 {[%emt 0:01:27]} 39. Qg6 {[%emt 0:00:27]} Ke7 {[%emt 0:01:22]} 40. hxg7 {[%emt 0:00:34]} Qg8 {[%emt 0:00:30]} 41. Qe4 {[%emt 0:00:43]} Qxg7 {[%emt 0:00:51]} 42. Qxb7+ $18 {[%emt 0:00:31]} Nd7 {[%emt 0:00:05]} 43. Bf5 {[%emt 0:00:26]} Qh8+ {[%emt 0:01:11]} 44. Kg1 {[%emt 0:00:16]} Qd8 {[%emt 0:00:31]} 45. f3 {[%emt 0:01:54]} Ke8 {[%emt 0:01:47]} 46. Qc6 {[%emt 0:00:23]} Qe7 {[%emt 0:02:24]} 47. Bf2 {[%emt 0:00:24]} e4 {[%emt 0:02:05]} 48. Qxd7+ {[%emt 0:00:35]} Qxd7 {[%emt 0:00:07]} 49. Bxd7+ {[%emt 0:00:08]} Kxd7 {[%emt 0:00:05]} 50. Bxc5 {[%emt 0:00:08]} exf3 {[%emt 0:00:16]} 51. gxf3 {[%emt 0:00:10]} 1-0

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Rodrigues, Nei Jorge"]
[Black "Ramos, Angelo Bil"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "1978"]
[BlackElo "1952"]
[Annotator "NA RC"]
[PlyCount "89"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,76,-23,-12,32767,-37,-90,32767,-117,-105,-105,-45,-134,-65,-112,32767,32767,-100,-97,32767,-4,-7,-14,-10,-10,-12,-28,-20,32767,32767,-38,0,0,-26,-104,-80,-106,-35,-43,0,-82,-87,-148,-159,-161,-183,-152,-160,-161,-60,-53,-70,-114,-90,32767,-37,32767,32767,32767,32767,-91,-69,-123,-151,-114,-47]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:04]} g6 {[%emt 0:01:15]} 3. g3 {[%emt 0:00:41]} d5 {[%emt 0:00:12]} 4. Bg2 {[%emt 0:00:09]} Bg7 {[%emt 0:00:07]} 5. O-O {[%emt 0:00:05]} O-O {[%emt 0:00:07]} 6. c4 {[%emt 0:00:02]} c6 {[%emt 0:00:09]} 7. Nc3 {[%emt 0:00:53] LiveBook: 159 Games} dxc4 {[%emt 0:00:29]} 8. a4 {[%emt 0:00:29]} Na6 {[%emt 0:10:03]} 9. Ne5 {[%emt 0:06:10] D78: Fianchetto Grünfeld: 6 0-0 c6} (9. a5 Bf5 10. Ra4 Nd5 11. Nh4 Be6 12. Ne4 Ndc7 13. Nf3 Nb5 14. Neg5 Bf5 15. Rxc4 h6 16. Nh3 Be4 {1-0 (42) Cordova,E (2616)-Barrientos Chavarriaga,S (2476) Bogota 2014}) 9... Ng4 {[%emt 0:04:48]} 10. Nf3 {[%emt 0:03:12]} e5 {[%emt 0:06:20]} 11. d5 {[%emt 0:04:13] [#]} cxd5 {[%emt 0:01:07]} ({Better is} 11... e4 $1 $17 {[%mdl 512]} 12. Nxe4 cxd5) 12. Nxd5 {[%emt 0:00:24] [#]} ({Better is} 12. Qxd5 Qxd5 13. Nxd5) 12... Nc7 $146 {[%emt 0:06:01]} (12... e4 $1 $17 {[%cal Re4f3]} 13. Ng5 {[#]} e3 $1 {[%mdl 512]}) ({Predecessor:} 12... Be6 13. Ng5 Nc5 14. h3 Nh6 15. Nxe6 Nxe6 16. Bxh6 Bxh6 {1-0 (35) Dongo,W-Meier,P (2039) Tromsoe 2014}) 13. e4 {[%emt 0:03:19]} (13. Ng5 $15) 13... Nxd5 {[%emt 0:01:05]} 14. exd5 {[%emt 0:00:02]} Bf5 {[%emt 0:04:21]} 15. h3 {[%emt 0:01:12]} Nh6 {[%emt 0:00:15]} 16. Bxh6 {[%emt 0:06:14]} Bxh6 {[%emt 0:00:13]} 17. Nxe5 {[%emt 0:00:07]} Rc8 {[%emt 0:15:01]} 18. a5 {[%emt 0:20:33]} Qd6 {[%emt 0:02:27]} 19. f4 {[%emt 0:01:52]} f6 {[%emt 0:00:43]} 20. Ng4 {[%emt 0:01:00]} Bg7 {[%emt 0:00:48]} 21. Nf2 {[%emt 0:05:37]} Bd7 {[%emt 0:03:04]} 22. Ne4 {[%emt 0:07:24]} Qb4 {[%emt 0:00:52]} 23. Qc1 {[%emt 0:01:31]} (23. d6 $11) 23... f5 {[%emt 0:02:07]} 24. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:03:59]} (24... Rc5 $17 25. a6 b5) 25. Qd2 {[%emt 0:03:55]} Rc5 {[%emt 0:02:02]} 26. Rfe1 {[%emt 0:00:51]} (26. d6 $11 {remains equal.}) 26... Rxa5 {[%emt 0:00:21]} 27. Rad1 {[%emt 0:01:00]} Qd6 {[%emt 0:02:34]} 28. Kh2 {[%emt 0:01:23]} Rc5 {[%emt 0:00:45]} 29. Ne2 {[%emt 0:04:47]} Rcc8 {[%emt 0:01:58]} 30. Nd4 {[%emt 0:00:30]} Bxd4 {[%emt 0:00:55]} ({Black should play} 30... Rfe8 $17 31. Re3 Rxe3 32. Qxe3 a5) 31. Qxd4 {[%emt 0:00:13]} b5 {[%emt 0:00:21]} 32. Qe5 {[%emt 0:06:39]} ({White should play} 32. Ra1 $15) 32... Rf6 {[%emt 0:02:43]} 33. Qd4 {[%emt 0:02:28]} Re8 {[%emt 0:01:05]} (33... a5 $17 34. Kh1 b4) 34. Re5 {[%emt 0:00:15]} Rff8 {[%emt 0:00:21]} 35. Rde1 {[%emt 0:01:05]} a5 {[%emt 0:02:03]} 36. R1e3 {[%emt 0:02:16]} a4 {[%emt 0:01:36]} 37. Bf3 {[%emt 0:01:23] [#]} Rc8 $1 {[%emt 0:04:10]} 38. Be2 {[%emt 0:03:21]} Rfe8 $15 {[%emt 0:00:49]} (38... Qc5 $17 39. Qd2 Rfe8) 39. h4 {[%emt 0:04:01]} Rcd8 {[%emt 0:01:38]} 40. Kh3 {[%emt 0:01:38]} h6 {[%emt 0:03:54]} 41. Kh2 {[%emt 0:01:19]} Rf8 {[%emt 0:03:22]} 42. Bf3 {[%emt 0:00:31]} Rde8 {[%emt 0:01:38]} 43. Kh3 {[%emt 0:02:32]} h5 {[%emt 0:03:40]} 44. Kh2 {[%emt 0:00:08]} Bc8 {[%emt 0:03:20]} 45. R5e4 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Chaves, Jorge Antonio Torre"]
[Black "Maia, Jose Eduardo Bastos"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "1922"]
[BlackElo "2093"]
[Annotator "NA RC"]
[PlyCount "130"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,129,11,22,29,21,7,25,14,11,7,10,-19,-15,-68,-76,-81,-19,-54,-7,32767,0,-24,6,-3,5,-4,7,-2,-8,-9,0,-9,0,0,-8,-10,26,16,30,24,84,80,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,12,-9,-10,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,-188,-184,-403,-451,-420,-470,-526,-456,-547,-277,-284,-281,-334,-233,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,32767,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:01:50]} 2. c4 {[%emt 0:00:14]} e6 {[%emt 0:00:14]} 3. d4 {[%emt 0:02:21]} Nf6 {[%emt 0:00:14]} 4. g3 {[%emt 0:01:12]} Be7 {[%emt 0:00:44]} 5. Bg2 {[%emt 0:00:32]} O-O {[%emt 0:00:07]} 6. O-O {[%emt 0:07:40]} c6 {[%emt 0:01:28]} 7. Qc2 {[%emt 0:03:41]} b6 {[%emt 0:00:49]} 8. Rd1 {[%emt 0:02:37]} Nbd7 {[%emt 0:00:17]} 9. Bf4 {[%emt 0:07:18]} Bb7 {[%emt 0:06:11] LiveBook: 682 Games E08: Closed Catalan: Main Line: 7 Qc2} 10. h4 $146 {[%emt 0:08:23]} ({Predecessor:} 10. Ne5 Rc8 11. Nc3 Nh5 12. Bc1 Nhf6 13. e4 Bb4 14. Bg5 Qc7 15. Nxd7 Nxd7 16. a3 Bxc3 17. Qxc3 dxc4 18. Bf4 Qd8 19. Bd6 {0-1 (76) Dominguez Perez,L (2739)-Caruana,F (2822) Saint Louis 2018}) 10... Rc8 {[%emt 0:02:18]} 11. Nbd2 {[%emt 0:04:43]} c5 {[%emt 0:05:16]} 12. dxc5 {[%emt 0:13:07]} Nxc5 {[%emt 0:08:32]} 13. b3 {[%emt 0:17:37]} Qe8 {[%emt 0:03:10]} (13... b5 $5) 14. Be5 {[%emt 0:04:04]} h6 {[%emt 0:06:18]} ({Black should play} 14... Ng4 $17) 15. Qb2 {[%emt 0:00:55]} b5 {[%emt 0:15:05]} 16. cxd5 {[%emt 0:01:37]} Bxd5 {[%emt 0:00:54]} 17. Bd4 {[%emt 0:00:37]} Qc6 {[%emt 0:03:13]} 18. Ne5 {[%emt 0:01:57]} Qb7 {[%emt 0:00:15]} 19. Bxd5 {[%emt 0:01:41]} Qxd5 {[%emt 0:01:44]} 20. Ndf3 {[%emt 0:02:51]} Rfd8 {[%emt 0:02:58]} 21. Rac1 {[%emt 0:02:50]} Qb7 {[%emt 0:01:45]} 22. Rc2 {[%emt 0:06:26]} Nce4 {[%emt 0:13:49]} 23. Rdc1 {[%emt 0:00:44]} Rxc2 {[%emt 0:11:08]} 24. Qxc2 {[%emt 0:02:23]} Ba3 {[%emt 0:03:07]} (24... Nd6 $11) 25. Qc7 {[%emt 0:03:28]} Qxc7 {[%emt 0:02:17]} 26. Rxc7 {[%emt 0:00:02]} Bd6 {[%emt 0:00:31]} 27. Rxa7 {[%emt 0:00:47]} Bxe5 {[%emt 0:01:12]} 28. Bxe5 {[%emt 0:00:02]} Rd1+ {[%emt 0:00:39]} 29. Kg2 {[%emt 0:00:14]} Ng4 {[%emt 0:00:52]} 30. Bd4 {[%emt 0:00:33]} e5 {[%emt 0:00:17]} 31. Be3 {[%emt 0:01:32]} Nc3 {[%emt 0:00:25]} 32. Ng1 {[%emt 0:01:07]} Nxe3+ {[%emt 0:00:24]} 33. fxe3 {[%emt 0:00:07]} Rd2 {[%emt 0:00:14]} 34. a4 {[%emt 0:01:20]} Rb2 {[%emt 0:02:22]} 35. axb5 {[%emt 0:00:44]} Rxb3 {[%emt 0:00:16]} 36. Nf3 {[%emt 0:00:59]} Rxb5 {[%emt 0:00:05]} 37. Ra8+ {[%emt 0:00:46]} Kh7 {[%emt 0:00:03]} 38. Re8 {[%emt 0:00:30]} f6 {[%emt 0:01:28]} 39. Ng1 {[%emt 0:00:28]} Kg6 {[%emt 0:00:22]} 40. Kf3 {[%emt 0:00:22]} h5 {[%emt 0:00:41]} 41. Ra8 {[%emt 0:00:52]} Rb3 {[%emt 0:00:18]} 42. Rd8 {[%emt 0:00:37]} Kf5 {[%emt 0:01:12]} 43. Kf2 {[%emt 0:00:34]} Kg4 {[%emt 0:01:56]} 44. Nf3 $2 {[%emt 0:00:35]} (44. Kg2 {was necessary.}) 44... Rb2 {[%emt 0:00:26]} 45. Ng1 {[%emt 0:00:19]} Ne4+ {[%emt 0:00:13]} 46. Kg2 {[%emt 0:00:43]} Nxg3 {[%emt 0:00:15]} 47. Rg8 {[%emt 0:00:32]} Nxe2 {[%emt 0:02:01]} 48. Rxg7+ {[%emt 0:00:09]} Kf5 {[%emt 0:00:24]} 49. Nxe2 {[%emt 0:01:06]} Rxe2+ {[%emt 0:00:03] Double Attack} 50. Kf3 {[%emt 0:00:10]} Rh2 {[%emt 0:00:48]} 51. e4+ {[%emt 0:00:20]} Ke6 {[%emt 0:00:11]} 52. Kg3 {[%emt 0:00:17]} Rh1 {[%emt 0:01:38]} 53. Rh7 {[%emt 0:00:07]} Rf1 {[%emt 0:00:22]} 54. Rxh5 {[%emt 0:00:37]} Rf4 {[%emt 0:00:03]} 55. Rh7 {[%emt 0:00:30]} Rxe4 {[%emt 0:00:04]} 56. h5 {[%emt 0:00:30]} Kf5 {[%emt 0:00:13]} 57. Rg7 {[%emt 0:00:33]} Re1 {[%emt 0:01:29]} 58. Kg2 {[%emt 0:00:22]} Ra1 {[%emt 0:01:39]} 59. h6 {[%emt 0:00:37]} Ra8 {[%emt 0:00:31]} 60. h7 {[%emt 0:00:17]} Rh8 {[%emt 0:00:05]} 61. Kf3 {[%emt 0:00:56]} e4+ {[%emt 0:02:17]} 62. Ke3 {[%emt 0:00:02]} Ke5 {[%emt 0:00:26]} 63. Re7+ {[%emt 0:00:48]} Kf5 {[%emt 0:00:03]} 64. Rg7 {[%emt 0:00:14]} Ke5 {[%emt 0:01:09]} 65. Re7+ $11 {[%emt 0:00:10]} Kf5 {[%emt 0:00:23] Kxe4+} 1/2-1/2

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Pimentel, Rafael Favarin G."]
[Black "Fucs, Paulo Moses"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1886"]
[BlackElo "2016"]
[Annotator "NA RC"]
[PlyCount "106"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,80,41,38,23,14,32767,32767,32767,32767,17,11,14,7,52,32767,53,32767,32767,32767,42,28,41,32767,32767,-28,-22,-28,-12,-18,-7,-15,-28,-33,-31,-111,-72,-77,-69,-78,-80,-90,-94,-94,-72,-172,-69,-64,-74,-104,-91,-91,-90,-118,-79,-79,32767,32767,-93,-80,32767,32767,32767,32767,32767,-94,-94,-91,-103,-132,-132,-123,-106,-113,-83]} 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:15]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:17]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:20]} 4. Bf4 {[%emt 0:02:27]} c6 {[%emt 0:00:40]} 5. e3 {[%emt 0:00:11]} Bd6 {[%emt 0:01:29] LiveBook: 25 Games} 6. Bxd6 {[%emt 0:04:15]} Qxd6 {[%emt 0:00:41]} 7. Nf3 {[%emt 0:00:10]} Nbd7 {[%emt 0:00:26]} 8. Be2 {[%emt 0:00:18] D35: Queen's Gambit Declined: Exchange Variation} (8. Qc2 O-O 9. Bd3 h6 10. O-O dxc4 11. Bxc4 e5 12. Rad1 Qe7 13. Nh4 Qb4 14. Bb3 Kh8 15. Nf5 Kg8 16. Nxh6+ gxh6 {1-0 (28) Sedlak,N (2622)-Marcetic,N (2314) Belgrade 2014}) 8... O-O {[%emt 0:00:42]} 9. O-O {[%emt 0:00:04]} b6 {[%emt 0:06:09]} 10. Nd2 $146 {[%emt 0:11:09]} ({Predecessor:} 10. Rc1 Bb7 11. Qc2 Rac8 12. Rfd1 Qb8 13. e4 dxe4 14. Nxe4 Nxe4 15. Qxe4 Nf6 {½-½ (62) Sulko,J (2051)-Staffen,R (2050) Slovakia 2017}) 10... e5 {[%emt 0:04:41]} 11. dxe5 {[%emt 0:01:31]} Nxe5 {[%emt 0:03:57]} 12. cxd5 {[%emt 0:03:24]} Nxd5 {[%emt 0:08:12]} 13. Nxd5 {[%emt 0:01:47]} Qxd5 {[%emt 0:05:07]} 14. Nf3 {[%emt 0:00:30]} Qe6 {[%emt 0:02:46]} 15. Nxe5 {[%emt 0:06:28]} Qxe5 {[%emt 0:00:40]} 16. Qd4 {[%emt 0:04:12]} Qxd4 {[%emt 0:01:48]} 17. exd4 {[%emt 0:01:01]} Be6 {[%emt 0:00:12]} 18. Rac1 {[%emt 0:03:07]} Rac8 {[%emt 0:01:55]} 19. Ba6 {[%emt 0:03:22]} Rcd8 {[%emt 0:01:45]} 20. Bc4 {[%emt 0:05:47]} Rfe8 {[%emt 0:03:07]} 21. d5 {[%emt 0:21:29]} (21. Rfd1 $11) 21... cxd5 {[%emt 0:03:03]} 22. Bb5 {[%emt 0:00:04]} Re7 {[%emt 0:00:36]} 23. Rfd1 {[%emt 0:00:29]} g6 {[%emt 0:02:53]} 24. Rd4 {[%emt 0:00:43]} Kg7 {[%emt 0:03:39]} 25. f4 {[%emt 0:01:37]} Bf5 {[%emt 0:05:18]} 26. b4 {[%emt 0:05:20]} (26. Kf2 $17 {was necessary.}) 26... a5 {[%emt 0:04:00]} (26... Re4 $17 27. Rxe4 dxe4) 27. bxa5 {[%emt 0:05:34]} bxa5 {[%emt 0:00:21]} 28. Rc5 {[%emt 0:00:38]} Re4 {[%emt 0:01:19]} 29. Rdxd5 {[%emt 0:01:14]} Rxd5 {[%emt 0:00:19]} 30. Rxd5 {[%emt 0:00:01]} Be6 {[%emt 0:03:50]} 31. Rd8 {[%emt 0:02:51]} Bxa2 {[%emt 0:03:55]} 32. Ra8 {[%emt 0:00:18]} Rxf4 {[%emt 0:01:28]} 33. Rxa5 {[%emt 0:00:08]} Be6 {[%emt 0:00:10]} 34. Be2 {[%emt 0:00:53]} h5 {[%emt 0:00:44]} 35. g3 {[%emt 0:00:35]} Rb4 {[%emt 0:00:21]} 36. Rb5 {[%emt 0:04:27]} Ra4 {[%emt 0:00:41]} 37. Re5 {[%emt 0:00:03]} h4 {[%emt 0:01:01]} 38. gxh4 {[%emt 0:05:41]} Rxh4 {[%emt 0:01:04]} 39. Kg2 {[%emt 0:00:21]} Rd4 {[%emt 0:01:42]} 40. Kg3 {[%emt 0:00:26]} Bd5 $17 {[%emt 0:00:46]} 41. Re8 {[%emt 0:02:52]} Be6 {[%emt 0:03:37]} 42. h3 {[%emt 0:02:08]} Rb4 {[%emt 0:00:11]} 43. Bg4 {[%emt 0:00:24]} Bd5 {[%emt 0:03:03]} 44. Rd8 {[%emt 0:00:18]} Bb3 {[%emt 0:02:09]} 45. Rd7 {[%emt 0:00:46]} Kh6 {[%emt 0:00:41]} 46. Rd6 {[%emt 0:00:47]} Bc2 {[%emt 0:01:50]} 47. Rd2 {[%emt 0:01:02]} Be4 {[%emt 0:00:17]} 48. Ra2 {[%emt 0:02:14]} f5 {[%emt 0:00:18]} 49. Be2 {[%emt 0:00:06]} Rb3+ {[%emt 0:00:34]} 50. Kh2 {[%emt 0:00:50]} Rc3 {[%emt 0:00:50]} 51. Rd2 {[%emt 0:00:27]} Kg5 {[%emt 0:00:16]} 52. Bd1 {[%emt 0:00:48]} Kh4 {[%emt 0:00:22]} 53. Bg4 {[%emt 0:00:34]} fxg4 {[%emt 0:00:35]} 0-1

[Event "II Duchamp Open 2018"]
[Site "Rio de Janeiro"]
[Date "2018.11.20"]
[Round "9"]
[White "Reis, Virginia Lagrange M"]
[Black "Brito, Vicente De Paulo Al"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1750"]
[BlackElo "2044"]
[Annotator "NA RC"]
[PlyCount "75"]
[EventDate "2018.11.14"]
[EventType "swiss"]
[EventCountry "BRA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,66,21,42,32767,32767,-30,-20,32767,-17,32767,64,35,44,35,33,27,56,-12,0,32767,32767,32767,126,151,125,119,136,141,122,125,104,124,32767,32767,32767,32767,181,92,32767,0,248,268,242,255,266,297,32767,32767,32767,32767,32767,466,341,492,475,345,433]} 1. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:14]} g6 {[%emt 0:00:02]} 4. h3 {[%emt 0:00:49]} Bg7 {[%emt 0:00:25]} 5. Nf3 {[%emt 0:00:10]} a6 {[%emt 0:01:15]} 6. Be3 {[%emt 0:00:38] B08: Pirc Defence: Classical System} b5 {[%emt 0:00:19]} (6... O-O 7. a4 Nc6 8. Be2 e6 9. O-O b6 10. d5 exd5 11. exd5 Ne7 12. Bc4 Bb7 13. Qd2 Nf5 14. Bf4 Qd7 15. Rfe1 Rfe8 16. Rxe8+ Rxe8 17. Re1 Rxe1+ 18. Qxe1 {½-½ (63) Caruana,F (2799)-Grischuk,A (2782) Saint Louis 2017}) 7. a3 {[%emt 0:00:51]} Bb7 {[%emt 0:01:32]} 8. Bd3 {[%emt 0:00:58]} O-O {[%emt 0:01:37]} 9. Qd2 {[%emt 0:01:20]} Nbd7 {[%emt 0:07:48] LiveBook: 16 Games} 10. b4 {[%emt 0:06:33] [#]} d5 $2 $146 {[%emt 0:05:35]} ({Predecessor:} 10... c5 $1 $17 {[%mdl 512]} 11. bxc5 dxc5 12. e5 cxd4 13. Bxd4 Nh5 14. Be4 Bxe4 15. Nxe4 {½-½ (25) Bordes Guasch,J (1793)-Zvolanek,L (2167) Olomouc 2017}) 11. e5 {[%emt 0:06:51]} Ne4 {[%emt 0:01:39]} 12. Bxe4 $1 {[%emt 0:00:15]} dxe4 {[%emt 0:00:09]} 13. Ng5 {[%emt 0:00:15]} Nb6 {[%emt 0:10:32]} 14. Ngxe4 {[%emt 0:03:10]} Nc4 {[%emt 0:07:53]} 15. Qe2 {[%emt 0:07:30]} Nxe3 {[%emt 0:00:51]} 16. fxe3 {[%emt 0:01:59]} f6 {[%emt 0:11:55]} 17. Nc5 {[%emt 0:02:42]} Bd5 {[%emt 0:00:13]} 18. Nxd5 {[%emt 0:02:50]} Qxd5 {[%emt 0:00:02] [#]} 19. e6 $1 {[%emt 0:00:59]} f5 {[%emt 0:05:23]} 20. c3 {[%emt 0:02:43]} a5 {[%emt 0:04:23]} 21. O-O {[%emt 0:02:04]} axb4 {[%emt 0:01:34]} 22. axb4 {[%emt 0:00:29]} Rxa1 {[%emt 0:01:00]} 23. Rxa1 {[%emt 0:00:08]} Bh6 {[%emt 0:06:57]} 24. Ra7 {[%emt 0:02:03]} (24. Kf2 $18) 24... f4 {[%emt 0:01:44] [#]} 25. e4 {[%emt 0:02:42]} ({Avoid the trap} 25. Rxc7 $2 f3 $19) ({Better is} 25. exf4 $1 $16 Bxf4 26. Nd7 (26. Qxb5 $2 Qg5 $19)) 25... Qg5 $2 {[%emt 0:05:07]} (25... f3 $1 $11 26. Qxf3 (26. exd5 $2 {perishes.} fxe2 27. Nd3 Rf1+ 28. Kh2 Bf4+ 29. g3 Rd1 $19) (26. gxf3 Qg5+ 27. Kh2 Qf4+ {[%mdl 64] Double Attack} 28. Kg2 Qg5+ 29. Kh2 Qf4+ {[%mdl 64] Double Attack} 30. Kg2 Qg5+ 31. Kh2 $11) 26... Qg5) 26. Qg4 {[%emt 0:11:36]} f3 {[%emt 0:12:08]} 27. Qxg5 {[%emt 0:03:44]} Bxg5 {[%emt 0:05:34]} 28. Rxc7 {[%emt 0:00:30]} Be3+ {[%emt 0:02:31]} 29. Kf1 {[%emt 0:01:35]} fxg2+ {[%emt 0:03:00]} 30. Kxg2 {[%emt 0:00:23]} Rf2+ {[%emt 0:00:08]} 31. Kg3 {[%emt 0:03:26]} Rc2 {[%emt 0:00:20]} 32. Rxe7 {[%emt 0:09:03]} Rxc3 {[%emt 0:00:34]} 33. Re8+ {[%emt 0:02:37]} Kg7 $18 {[%emt 0:00:04]} 34. Re7+ {[%emt 0:06:55]} Kg8 {[%emt 0:00:44]} 35. Re8+ {[%emt 0:00:58]} Kg7 {[%emt 0:00:05]} 36. Kg2 {[%emt 0:03:33]} Bxd4 {[%emt 0:00:48]} 37. Nd7 {[%emt 0:00:28]} Re3 {[%emt 0:03:29]} 38. Re7+ {[%emt 0:04:17]} 1/2-1/2

