[Event "MAGISTRAL ALBERTO LOMBARDI 0 CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.10.06"] [Round "3.1"] [White "Santos Filho, Tadeu Sousa"] [Black "Franca, Joao Vitor Da Silva"] [Result "1-0"] [ECO "B54"] [WhiteElo "2034"] [BlackElo "1845"] [Annotator "Chessbase - SF 17.1"] [PlyCount "59"] [EventDate "2025.??.??"] {[%evp 0,59,38,28,49,51,86,53,55,38,37,14,37,22,36,30,48,43,46,60,60,47,47,41,46,27,20,20,18,0,5,45,244,252,246,118,147,88,154,158,172,194,180,165,165,179,230,273,283,136,170,155,221,215,219,196,277,288,288,312,930,934]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 e6 6. c4 Be7 7. Nc3 a6 8. Be3 Nbd7 9. O-O O-O 10. Rc1 (10. f3 Qc7 11. Rc1 b6 12. b4 Bb7 13. Nb3 Rac8 14. a4 Qb8 15. Kh1 Rfd8 16. Qe2 d5 17. exd5 exd5 18. Bg1 Bxb4 19. Nxd5 Nxd5 20. cxd5 Rxc1 21. Nxc1 Re8 22. Qa2 Nc5 23. Bxh7+ Kh8 24. Bb1 a5 {Vingris,M (2147)-Hernandez,A (2043) chess.com INT 2025 1-0 (51)}) 10... Qc7 $6 {Inaccuracy. Ne5 was best.} (10... Re8 11. a3 Bf8 12. Bb1 b6 13. Qe2 Bb7 14. Rfd1 Rc8 15. Bg5 Qc7 16. Ba2 Qb8 17. f3 d5 18. Bxf6 Nxf6 19. e5 Nh5 20. g4 Nf4 21. Qe3 f6 22. cxd5 fxe5 23. Nxe6 Rxe6 24. d6 Bxd6 25. b4 {Ljubojevic,L (2590)-Gheorghiu,F (2605) London 1980 EXT 1999 [ChessBase] ½-½ (42)}) (10... Ne5 11. Be2) 11. b3 b6 12. Qe2 $146 (12. Bb1 Bb7 13. f3 Rac8 14. Qd2 Qb8 15. Rfd1 Rfe8 16. Bf2 Nc5 17. Bc2 Bf8 18. Bh4 Ncd7 19. Nde2 Bc6 20. Nd4 Ba8 21. Kh1 Ne5 22. Rf1 Ng6 23. Bg5 h6 24. Be3 Ne5 25. Rfe1 d5 26. exd5 exd5 {Snuverink,J-Kuipers,E (2195) Leiden 1997 0-1 (50)}) (12. f3 Bb7 (12... Ne5 13. Be2 Bb7 14. Qd2 Rac8 15. Rfd1 Rfd8 16. Bf1 Nfd7 17. Qf2 Bf6 18. h3 Nc5 19. b4 Ncd7 20. f4 Ng6 21. f5 Ngf8 22. g4 h6 23. h4 Be5 24. g5 hxg5 25. hxg5 Re8 26. Bg2 Bxd4 {Polgar,J (2677)-Comp Fritz 5.32 Budapest 1999 ½-½ (65)}) 13. Qd2 Rac8 14. Qf2 Qb8 15. Rfd1 Bd8 16. Bf1 {½-½ (16) Hornych,C (2003)-Kornblum,H Mecklenburg VP 2005}) 12... Bb7 13. Bb1 Rac8 14. f4 Rfe8 15. g4 Red8 $4 {Blunder. g6 was best.} (15... g6 16. Qg2 Bf8 17. f5 Qd8 18. fxe6 fxe6 19. g5 Nh5 20. Bd3 Rc7 21. Be2) 16. g5 Ne8 17. Qg4 Bf8 18. h4 $6 {Inaccuracy. Nxe6 was best.} (18. Nxe6 fxe6 19. Qxe6+ Kh8 20. Nd5 Bxd5 21. exd5 Nef6 22. gxf6 Nxf6 23. Qh3 Qb7) 18... e5 $6 {Inaccuracy. d5 was best.} (18... d5 19. cxd5 Bc5 20. b4 Bxd4 21. Bxd4 Nf8 22. h5 exd5 23. e5 Ne6 24. Ne2) 19. Nf3 $6 {Inaccuracy. Nd5 was best.} (19. Nd5 Qb8 20. Nf5 Rc7 21. h5 Bxd5 22. exd5 b5 23. Nh4 e4 24. Qf5 Nc5) 19... exf4 20. Qxf4 Ne5 21. Nd5 $6 {Inaccuracy. h5 was best.} (21. h5 b5 22. Nd5 Bxd5 23. exd5 g6 24. cxb5 Qd7 25. b6 Rxc1 26. Rxc1 Qh3) 21... Bxd5 22. cxd5 Nxf3+ $2 {Mistake. Qd7 was best.} (22... Qd7 23. h5 Rxc1 24. Bxc1 f6 25. Qg3 fxg5 26. Bxg5 Rc8 27. Bd2 Be7 28. Nxe5) 23. Qxf3 Qb7 24. Qg4 $6 {Inaccuracy. Rc6 was best.} (24. Rc6 g6 25. Bd3 Bg7 26. Rxb6 Qe7 27. Rc6 Be5 28. Bxa6 Rb8 29. h5 Ng7) 24... b5 $6 {Inaccuracy. g6 was best.} (24... g6 25. h5 Bg7 26. Kg2 Rc7 27. Rxc7 Nxc7 28. a4 a5 29. Bd3 Na6 30. h6) 25. h5 g6 26. h6 b4 27. Bd3 Rc3 28. Rxc3 bxc3 29. Qf4 Rc8 $4 {Blunder. Rd7 was best.} (29... Rd7 30. Bd4 Qb4 31. Bc4 Re7 32. Rc1 c2 33. Kf1 a5 34. Rxc2 a4 35. Rf2) 30. Bxa6 {1-0 White wins. PRECISÃO: BRANCAS 92% PRETAS 82%} 1-0 [Event "MAGISTRAL ALBERTO LOMBARDI 0 CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.10.06"] [Round "3.2"] [White "Bezerra, Natacio Goncalves"] [Black "De Moura Silva, Guilherme"] [Result "1-0"] [ECO "E10"] [WhiteElo "1928"] [BlackElo "1968"] [Annotator "Chessbase - SF 17.1"] [PlyCount "27"] [EventDate "2025.??.??"] {[%evp 0,27,28,25,28,-16,-7,4,4,-14,33,26,26,16,7,38,56,51,87,102,102,60,88,83,98,33,32,52,29999,-30000]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 b6 5. Bg2 Bb7 6. cxd5 Nxd5 (6... Bxd5 7. O-O Nbd7 8. Nc3 Bb7 9. Qc2 Be7 10. Nb5 c5 11. dxc5 Be4 12. Qc3 Nxc5 13. b4 Na6 14. a3 Qd7 15. Nbd4 Rc8 16. Qe3 Qb7 17. Bb2 O-O 18. Rac1 Rfd8 19. h3 Nc7 20. Rfd1 Ncd5 21. Qb3 {Alekseev,E (2636)-Moiseenko,V (2528) Sochi 2016 ½-½}) 7. O-O c5 (7... Nd7 8. e4 N5f6 9. e5 Nd5 10. Ng5 Be7 11. Qh5 g6 12. Qh6 Bf8 13. Qh3 Qe7 14. Nc3 Nxc3 15. bxc3 Bxg2 16. Qxg2 Rb8 17. Qc6 Qd8 18. d5 h6 19. Nxf7 Kxf7 20. dxe6+ Kg7 21. exd7 Bc5 22. e6 {Amartuvshin,G (2411)-Erkhembayar,A (1868) Choibalsan MGL 2024 1-0 (66)}) 8. e4 $146 (8. Re1 cxd4 9. Qxd4 Qc7 10. Bd2 Nc6 11. Qa4 Bc5 12. Nc3 Nxc3 13. Bxc3 O-O 14. b4 Bd6 15. b5 Ne7 16. Rac1 Qb8 17. Red1 a6 18. Qd4 Nf5 19. Qxb6 Bc7 20. Qc5 Bd6 21. Qc4 axb5 22. Qxb5 Rxa2 {Diaz Nunez,A (2253)-Garcia Gomez,J (1782) Linares 2014 1-0 (33)}) (8. a3 Nc6 9. dxc5 Bxc5 10. b4 Be7 11. Bb2 Bf6 12. Qb3 a5 13. e4 Bxb2 14. Qxb2 Nf6 15. b5 Ne7 16. Nc3 Ng6 17. Rfd1 Qe7 18. e5 Nd7 19. Na4 O-O 20. Rxd7 Qxd7 21. Nxb6 Qd3 22. Nxa8 Bxf3 {Noutsos,S (1450)-Gikas,H (1902) Athens 2009 ½-½}) (8. dxc5 Bxc5 9. Ne5 O-O 10. Nc3 Nxc3 11. bxc3 Bxg2 12. Kxg2 Qc7 13. Nd3 Rd8 14. Qb3 Be7 15. Bf4 Qb7+ 16. Kg1 Na6 17. a4 Qe4 18. Qb5 Qxe2 19. Ne5 Qxb5 20. axb5 Nc5 21. Nc6 Rd7 22. Bb8 Bf6 {Maia,M (2165)-De Sousa,M (2165) Rio de Janeiro 1999 0-1 (69)}) 8... Nf6 9. d5 exd5 10. exd5 Qxd5 11. Re1+ Be7 12. Qe2 Nc6 13. Nh4 $2 {Mistake. Nc3 was best.} (13. Nc3 Qd7 14. Ne5 Nxe5 15. Bxb7 Qxb7 16. Qxe5 Kf8 17. h4 Rd8 18. Bf4 Ng4) 13... Nd4 $4 {Checkmate is now unavoidable. Qd7 was best.} (13... Qd7 14. Bxc6 Bxc6 15. Nf5 Ng8 16. Nxg7+ Kf8 17. Nh5 Re8 18. Nc3 h6 19. Be3) 14. Qxe7# {1-0 White wins. PRECISÃO: BRANCAS 88% PRETAS 52%} 1-0 [Event "MAGISTRAL ALBERTO LOMBARDI 0 CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.10.06"] [Round "3.3"] [White "Laba, Otavio De Souza"] [Black "Lopes, Eduardo Moraes"] [Result "0-1"] [ECO "B40"] [WhiteElo "1902"] [BlackElo "1922"] [Annotator "Chessbase - SF 17.1"] [PlyCount "94"] [EventDate "2025.??.??"] {[%evp 0,60,28,28,51,51,48,36,14,28,31,20,-1,-11,-17,-4,9,-7,-20,-20,-20,-20,17,-16,-17,5,0,14,-2,-58,53,-52,-56,-141,-121,-117,-119,-120,-140,-140,-119,-144,-144,-124,-146,-150,-112,-107,-120,-90,-88,-94,-31,-30,-31,-76,-69,-69,-90,-114,-100,-132,-118]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 Nge7 7. O-O O-O 8. c3 d5 9. Re1 a5 10. a4 d4 11. Qc2 $6 {Inaccuracy. e5 was best.} (11. e5 Rb8) 11... dxc3 $2 {Mistake. e5 was best.} (11... e5) 12. bxc3 Nb4 $6 {Inaccuracy. b6 was best.} (12... b6 13. Nc4) 13. cxb4 Bxa1 14. b5 $146 (14. bxc5 Bg7 15. Nc4 Nc6 16. Nb6 Rb8 17. Bd2 e5 18. Rb1 Bg4 19. Ne1 Qe7 20. Qc3 Rfd8 21. Nc2 Be6 22. Kf1 f5 23. Ne3 f4 24. Ned5 Qf7 25. Ke1 Rf8 26. gxf4 exf4 27. Qc4 Ne5 28. Qb5 f3 {Alba Linero,E (2161)-Aguilera Lopez,A (2203) Madrid 2018 0-1 (65)}) 14... Bg7 15. Nc4 $6 {Inaccuracy. Qxc5 was best.} (15. Qxc5 e5 16. Ba3 Re8 17. Nc4 Be6 18. Nd6 Rc8 19. Qe3 Rc3 20. Bb2 Qxd6) 15... b6 16. Bg5 $4 {Blunder. g4 was best.} (16. g4 f6) 16... f6 17. Be3 e5 18. Nfd2 Be6 19. f4 Qc7 20. fxe5 fxe5 21. Nf3 h6 22. Qc3 Bxc4 $6 {Inaccuracy. Rad8 was best.} (22... Rad8 23. Bc1 Bxc4 24. Qxc4+ Kh7 25. Rd1 Nc8 26. h4 Qd7) 23. Qxc4+ Kh7 24. d4 Rxf3 $2 {Mistake. exd4 was best.} (24... exd4) 25. Bxf3 exd4 26. Bf4 Qd7 27. h4 $6 {Inaccuracy. e5 was best.} (27. e5 Rf8 28. e6 Qd8 29. Be4 Bf6 30. Kg2 Bg5 31. Be5 Bf6) 27... Rf8 28. e5 Qh3 29. Qe2 $6 {Inaccuracy. Bg2 was best.} (29. Bg2 Qg4) 29... h5 30. Qe4 $6 {Inaccuracy. Be4 was best.} (30. Be4 Rxf4) 30... Nf5 $6 {Inaccuracy. Bh6 was best.} (30... Bh6 31. Qb7 Qe6 32. Re4 d3 33. Qc7 Rc8 34. Qd6 Qxd6 35. exd6 Nf5 36. d7) 31. Bg2 Qg4 32. Bf3 $4 {Blunder. Kh2 was best.} (32. Kh2 Nxh4 33. e6 Nxg2 34. Kxg2 Qf5 35. Qc6 Qc2+ 36. Kf1 Qd3+ 37. Kf2 h4) 32... Qh3 $4 {Blunder. Nxg3 was best.} (32... Nxg3) 33. Bg2 Qg4 34. Bf3 $4 {Blunder. Kh2 was best.} (34. Kh2 Nxh4) 34... Nxg3 35. Bxg4 Nxe4 36. Rxe4 hxg4 37. e6 c4 38. e7 Re8 39. Kf2 Kg8 40. Bg5 Kf7 41. Rxg4 Ke6 42. Bc1 $2 {Mistake. Kf3 was best.} (42. Kf3 Be5 43. Ke4 d3 44. Rg2 Bc3 45. Ke3 Kd5 46. Rg4 Be5 47. Kd2 Bd4) 42... Rxe7 43. Rxg6+ Bf6 44. Kf3 Kf7 45. Rg4 Re1 46. Bg5 Bxg5 47. hxg5 c3 {0-1 Black wins. PRECISÃO: BRANCAS 852% PRETAS 91%} 0-1 [Event "MAGISTRAL ALBERTO LOMBARDI 0 CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.10.06"] [Round "3.4"] [White "Lombardi, Alberto Horacio"] [Black "Bastos Pinto, Selmo"] [Result "0-1"] [ECO "D10"] [BlackElo "2066"] [Annotator "Chessbase - SF 17.1"] [PlyCount "90"] [EventDate "2025.??.??"] {[%evp 0,88,28,26,37,2,34,-1,24,-4,9,-13,33,-37,-7,-59,-68,-94,-74,-67,-7,-46,-12,-16,-18,-16,-36,-34,12,-16,20,32,26,29,15,15,15,10,10,0,0,0,11,6,39,18,46,0,24,18,32,44,102,78,81,62,66,72,72,-8,-16,-16,-3,-51,-43,-9,0,-29,-34,-111,-109,-129,-125,-135,-131,-145,-151,-155,-166,-150,-152,-270,-306,-323,-308,-331,-386,-384,-436,-451,-479]} 1. d4 d5 (1... Nf6 2. c4 c6 3. Nc3 {½-½ (3) Liang,C (2360)-Lioe,D (2400) Beijing 1997}) 2. c4 c6 3. Nc3 Nf6 4. h3 $6 {Inaccuracy. Nf3 was best.} (4. Nf3 e6 5. e3 a6 6. b3 Bb4 7. Bd2 b6 8. Bd3 Bb7) 4... e6 (4... dxc4 5. e3 b5 6. a4 b4 7. Na2 e6 8. Bxc4 Bb7 9. Nf3 Nbd7 10. Bd2 a5 11. Qb3 Be7 12. Nc1 O-O 13. O-O c5 14. Be2 Rc8 15. Rd1 Qb6 16. dxc5 Nxc5 17. Qa2 Rfd8 18. Nb3 Bd5 19. Nfd4 {Billman,B (1561)-Karlinder,L (1755) Reykjavik ISL 2025 0-1 (42)}) 5. Nf3 Nbd7 $6 {Inaccuracy. dxc4 was best.} (5... dxc4 6. a4 Bb4 7. Qc2 b5 8. e4 Bb7 9. Be2 c5 10. dxc5) 6. Bg5 $6 {Inaccuracy. e3 was best.} (6. e3 Bd6 7. Bd3 O-O 8. O-O dxc4 9. Bxc4 b5 10. Bd3 b4) 6... Bb4 $6 $146 {Inaccuracy. dxc4 was best.} (6... Bd6 7. e4 dxe4 8. Nxe4 Be7 9. Bxf6 Nxf6 10. Nc3 O-O 11. Bd3 b6 12. Qe2 Bb7 13. O-O-O Bb4 14. Qc2 Qc7 15. Rhg1 c5 16. Nb5 Qf4+ 17. Kb1 Bxf3 18. gxf3 a6 19. Nc3 Bxc3 20. Qxc3 cxd4 21. Qc2 {Bezerra Jr,E-Lima Jr,N Palmas 2010 0-1}) (6... dxc4 7. e4 b5 8. a4 Qb6 9. Be3 Bb7 10. Be2 a6 11. O-O) 7. e3 Qa5 8. Nd2 Bxc3 9. bxc3 Qxc3 10. cxd5 exd5 11. Rc1 Qa5 12. Qc2 Ne4 13. Bf4 O-O 14. Bd3 Ndf6 $6 {Inaccuracy. b6 was best.} (14... b6) 15. f3 Nxd2 16. Qxd2 Qxd2+ 17. Kxd2 Re8 18. Rhe1 Bd7 19. e4 $6 {Inaccuracy. g4 was best.} (19. g4 b5) 19... dxe4 20. fxe4 h6 21. a3 b5 22. Bd6 Nh7 23. Kc2 Ng5 24. Kb2 Ne6 $6 {Inaccuracy. Rac8 was best.} (24... Rac8 25. Re2) 25. d5 cxd5 $6 {Inaccuracy. Nd8 was best.} (25... Nd8 26. Re2) 26. exd5 Nf8 27. Rxe8 Bxe8 28. Be7 Ng6 29. Rc7 $6 {Inaccuracy. Bxg6 was best.} (29. Bxg6 fxg6) 29... Nxe7 30. Rxe7 Kf8 31. Rc7 Rd8 32. Be4 Rd7 33. Rxd7 $4 {Blunder. Rc8 was best.} (33. Rc8 Ke7 34. Kc3 Rd8 35. Rc7+ Kd6 36. Rxa7 Rc8+ 37. Kb3 Rc4 38. Bf3 Ra4) 33... Bxd7 34. Kc3 $2 {Mistake. d6 was best.} (34. d6 f5) 34... Ke7 35. Kd4 Kd6 36. h4 f5 37. Bf3 g5 38. hxg5 hxg5 39. g3 Be8 $6 {Inaccuracy. a5 was best.} (39... a5 40. Bd1 Bc8 41. Be2 b4 42. axb4 axb4 43. Bd1 g4 44. Bc2 f4 45. gxf4) 40. g4 $2 {Mistake. Be2 was best.} (40. Be2 Bd7) 40... f4 41. Bg2 Bf7 42. Bf3 a5 43. Be2 b4 44. axb4 axb4 45. Kc4 b3 {0-1 Black wins. PRECISÃO: BRANCAS 88% PRETAS 94%} 0-1 [Event "MAGISTRAL ALBERTO LOMBARDI 0 CMUN 2025"] [Site "Rio de Janeiro"] [Date "2025.10.06"] [Round "3.5"] [White "Frolov, Ivan"] [Black "Silva, Herivaldo Souza e"] [Result "1-0"] [ECO "B30"] [WhiteElo "2041"] [Annotator "Chessbase - SF 17.1"] [PlyCount "27"] [EventDate "2025.??.??"] {[%evp 0,27,28,19,51,48,48,-2,23,2,19,8,41,45,115,67,60,30,40,213,295,392,367,367,537,619,29995,29996,29997,29998]} 1. e4 c5 2. Nf3 Nc6 3. c3 e6 4. d4 cxd4 5. cxd4 Bb4+ 6. Nc3 Nge7 7. Bd3 d5 8. e5 O-O $4 {Blunder. Bd7 was best.} (8... Bd7 9. O-O Rc8 10. Bd2 Ng6 11. g3 O-O 12. h4 f6 13. h5 Nge7 14. h6) 9. Bxh7+ Kh8 10. Ng5 (10. Bc2 g6 11. Bg5 Qc7 12. Bf6+ Kg8 13. Qd2 {1-0 (13) Jaroka,S (2365)-Nagy,Z (2220) Budapest 1996}) 10... g6 11. Qf3 Nf5 12. Bxg6 fxg6 $4 $146 {Checkmate is now unavoidable. Qxg5 was best.} (12... Kg7 13. Bxf5 Nxd4 (13... Rh8 14. Bd3 (14. Qg3 Kf8 15. Nxf7 Kxf7 16. Bg6+ Kg8 17. Bh5+ Kf8 18. Qf3+ {1-0 (18) Smerdon,D (2421)-Ghobrial,A Elwood 2005}) 14... Qg8 15. Be3 Kf8 16. h4 Be7 17. Rh3 Ke8 18. O-O-O a6 19. Rg3 Bxg5 20. Bxg5 Qf8 21. Bf6 Rg8 22. Rxg8 Qxg8 23. h5 b5 24. h6 Nxd4 25. Qf4 Nf5 26. Bxf5 exf5 27. Nxd5 {Pira,D (2345)-Dola Meudon 1991 1-0}) 14. Qh5 {1-0 (14) Piay Augusto,D (2240)-De Leon Nieves,L Orense 2000}) (12... Qxg5 13. Bxg5 fxg6 14. Bf6+ Kg8 15. Qh3 Bd7 16. Qh8+ Kf7 17. Qh7+ Ke8 18. Qxg6+) 13. Qh3+ Nh4 14. Qxh4+ {1-0 White wins. PRECISÃO: BRANCAS 97% PRETAS 71%} 1-0