[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.06"]
[Round "5"]
[White "Piekarski, Atila Balzer"]
[Black "Tsuboi, Edson Kenji"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "1992"]
[BlackElo "2206"]
[PlyCount "54"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Bd3 d5 8. Qf3 Nf6 9. Qg3 h5 10. Bg5 h4 11. Qf4 Be7 12. 0-0-0 Qa5 13. e5 Ng8 14. Bxe7 Nxe7 15. Rd2 Rb8 16. Qg4 Rb4 17. Qxg7 Rg8 18. Qf6 Rxb2 19. Kxb2 Qb4+ 20. Kc1 Qxc3 21. Rdd1 a5 22. Qxh4 d4 23. Bh7 Qa1+ 24. Kd2 Qc3+ 25. Kc1 Qa1+ 26. Kd2 Qc3+ 27. Ke2 Ba6+ 0-1

[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.04"]
[Round "2"]
[White "Bookobza, Tomer Lederman"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1550"]
[BlackElo "1992"]
[PlyCount "136"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. 0-0 c5 5. d4 e6 6. dxc5 Bxc5 7. Nc3 a6 8. Bg5 d5 9. e4 b4 10. Na4 Be7 11. exd5 Bxd5 12. c4 Bxc4 13. Qxd8+ Bxd8 14. Rfd1 Bd5 15. Bxf6 gxf6 16. Rac1 Nd7 17. b3 f5 18. Nb2 Nb6 19. Nd3 Be7 20. Nf4 Rd8 21. Nxd5 Nxd5 22. Rc6 a5 23. Ra6 Nc3 24. Rxd8+ Bxd8 25. Ne5 0-0 26. Nc6 Nxa2 27. Nxa5 Bxa5 28. Rxa5 Nc1 29. Rb5 Nxb3 30. Rxb4 Nc5 31. Rb5 Rc8 32. Ra5 Rc7 33. Bf1 Kg7 34. Kg2 Ne4 35. Ra2 Rc3 36. Rb2 Ra3 37. Bb5 Kf6 38. Bc6 Nc5 39. Re2 Rc3 40. Be8 Ke7 41. Bc6 Nb3 42. Ba8 Na5 43. Rd2 Nc4 44. Re2 Kf6 45. Bb7 Ne5 46. Ba8 Ng6 47. Rb2 f4 48. Be4 Nf8 49. Rb5 fxg3 50. hxg3 h6 51. f3 Nd7 52. Rh5 Kg7 53. Rb5 Ra3 54. g4 Rc3 55. Kg3 Nc5 56. Ba8 Kg6 57. Kf4 f6 58. Rb6 e5+ 59. Kg3 e4 60. Kg2 Rc2+ 61. Kf1 e3 62. Rc6 Rf2+ 63. Kg1 Nd3 64. Re6 Ne5 65. Be4+ Kg5 66. Re8 Kf4 67. Rf8 Kg3 68. Rxf6 e2 0-1

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "11"]
[White "De Souza, Cristiano Gomes"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2018"]
[BlackElo "1992"]
[PlyCount "57"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Bg4 8. Be3 a5 9. Rc1 Na6 10. a3 Bxf3 11. Bxf3 exd4 12. Bxd4 Nc5 13. b4 axb4 14. axb4 Ne6 15. Be3 Nd7 16. Be2 Ra3 17. Qd2 Re8 18. f3 Ne5 19. Nd5 Nc6 20. Bf2 Ncd4 21. Rfe1 Nb3 22. Qd3 c6 23. Rb1 Nbd4 24. Qxa3 cxd5 25. cxd5 Nc2 26. Qa5 Nxe1 27. dxe6 Nc2 28. exf7+ Kxf7 29. Qa2+ 1-0

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "5"]
[White "Erzhanov, Arman"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2198"]
[BlackElo "1992"]
[PlyCount "83"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Bd7 5. h3 Nc6 6. Qe3 Nf6 7. Be2 e6 8. 0-0 Be7 9. Rd1 0-0 10. c4 Qc7 11. Nc3 a6 12. b3 Rfe8 13. Bb2 Rac8 14. Rac1 b6 15. Nd5 exd5 16. cxd5 Qb7 17. dxc6 Rxc6 18. Nd2 Rxc1 19. Rxc1 Bc6 20. f3 d5 21. e5 Bc5 22. Bd4 Nd7 23. f4 f6 24. Nf3 fxe5 25. Nxe5 Bxd4 26. Qxd4 Nxe5 27. fxe5 Bd7 28. Bf3 Be6 29. Rc3 Rc8 30. Bxd5 Bxd5 31. Rxc8+ Qxc8 32. Qxd5+ Kh8 33. Kh2 h6 34. Qd6 Qc1 35. e6 Qe3 36. e7 Kh7 37. a4 b5 38. axb5 axb5 39. b4 h5 40. h4 g6 41. Qf6 Qe4 42. Qf7+ 1-0

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "1"]
[White "Guliev, Logman"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "2254"]
[BlackElo "1992"]
[PlyCount "63"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. f4 e5 7. Nf3 Be7 8. Bd3 Qc7 9. 0-0 Be6 10. Kh1 Nbd7 11. Qe2 b5 12. f5 Bc4 13. Bg5 Rc8 14. Rad1 b4 15. Nd5 Nxd5 16. exd5 Bxd5 17. Bxe7 Kxe7 18. Bxa6 Bxf3 19. Qxf3 Ra8 20. Bb5 Nf6 21. Qb3 Qa5 22. Bc4 Rhf8 23. Qg3 Qc5 24. Bb3 Ne4 25. Qh4+ Nf6 26. Rd5 Qc6 27. Rfd1 Rad8 28. R5d2 h6 29. Qxb4 Rd7 30. Ba4 Rb7 31. Qa3 Rd8 32. Bxc6 1-0

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "7"]
[White "Korkmaz, Necmettin"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2066"]
[BlackElo "1992"]
[PlyCount "79"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 d5 5. Bb5 a6 6. Bxc6+ bxc6 7. d3 Nf6 8. e5 Nd7 9. 0-0 Be7 10. Ne2 Qc7 11. c4 a5 12. b3 a4 13. Be3 0-0 14. Qe1 f6 15. exf6 Bxf6 16. Rb1 axb3 17. axb3 Qd6 18. Qf2 Bb7 19. b4 cxb4 20. c5 Qc7 21. Rxb4 Ra2 22. d4 Ba6 23. Re1 Ra8 24. Bd2 Bc4 25. Qe3 Nf8 26. Reb1 Bxe2 27. Qxe2 Qa5 28. Rb8 Rxb8 29. Rxb8 Kf7 30. Rb7+ Kg8 31. Bxa5 Rxe2 32. Rc7 Ra2 33. Bb6 Ra4 34. Rxc6 Bxd4+ 35. Nxd4 Rxd4 36. Rc8 Rc4 37. c6 Kf7 38. c7 Nd7 39. Ba5 d4 40. Rd8 1-0

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "4"]
[White "Montano, Vicente Guadalupe"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "1809"]
[BlackElo "1992"]
[PlyCount "26"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Be3 e5 7. d5 a5 8. g4 Na6 9. Nge2 Nd7 10. Ng3 Nac5 11. Bg2 a4 12. Qe2 Qh4 13. f3 Qxg3+ 0-1

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "9"]
[White "Piekarski, Atila Balzer"]
[Black "De Arruda, Leandro Formes"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1992"]
[BlackElo "1980"]
[PlyCount "68"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. cxd5 exd5 7. Qc2 c6 8. Bd3 h6 9. Bxf6 Bxf6 10. Nf3 Re8 11. 0-0 Nd7 12. Rab1 Nf8 13. b4 a6 14. a4 Bd7 15. b5 axb5 16. axb5 Ne6 17. Rfc1 Ng5 18. Nxg5 Bxg5 19. Na4 cxb5 20. Nc5 Bc6 21. Bxb5 Qf6 22. Bxc6 bxc6 23. Nd3 Rac8 24. Rb6 Qe7 25. Ne5 c5 26. Nc6 Rxc6 27. Rxc6 c4 28. Qf5 Bxe3 29. Re1 Bxf2+ 30. Qxf2 Qxe1+ 31. Qxe1 Rxe1+ 32. Kf2 Rd1 33. Ke3 Rd3+ 34. Ke2 Rxd4 0-1

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "3"]
[White "Piekarski, Atila Balzer"]
[Black "Kisic, Bozidar"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1992"]
[BlackElo "2206"]
[PlyCount "114"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. e3 e5 5. dxe5 Nxe5 6. Be2 Bxf3 7. gxf3 dxc4 8. Nd2 Qd5 9. Nxc4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 Nxf3+ 12. Bxf3 Qxf3 13. Rg1 Nf6 14. Ne5 Qh5 15. Qd4 Rd8 16. Qf4 0-0 17. Qxf6 g6 18. Ng4 Rd5 19. Qf4 f5 20. Qc4 fxg4 21. Rxg4 Kh8 22. Re4 Qf5 23. Qc3+ Qf6 24. Rf4 Qxc3+ 25. bxc3 Rxf4 26. exf4 Rf5 27. Ke2 b6 28. Rd1 Rxf4 29. Rd7 Rc4 30. Kd2 Rc6 31. Rd8+ Kg7 32. Ra8 a5 33. Rd8 h5 34. Kc2 Kf6 35. Rd7 Kg5 36. a4 Kh4 37. Rd3 Kg4 38. h3+ Kg5 39. Rg3+ Kh6 40. h4 Rf6 41. Rh3 Rxf2+ 42. Kb3 Rf4 43. Rh1 Kg7 44. Rh2 Kf6 45. Rh1 Ke6 46. Rh2 Kf6 47. Rh1 Rf5 48. Rh2 g5 49. hxg5+ Rxg5 50. Rh1 Kg6 51. Rd1 Rf5 52. Rd7 Rf7 53. Rd5 h4 54. Rd3 Rh7 55. Rh3 Kg5 56. c4 Kg4 57. Rh1 h3 0-1

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "6"]
[White "Piekarski, Atila Balzer"]
[Black "Rottenwohrer Suarez, Juan"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1992"]
[BlackElo "2271"]
[PlyCount "38"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Bb4 5. e3 0-0 6. Qc2 h6 7. Bh4 c5 8. Nf3 cxd4 9. exd4 Nc6 10. cxd5 exd5 11. Be2 g5 12. Bg3 g4 13. Ne5 Nxd4 14. Qd3 Nxe2 15. Kxe2 Re8 16. Rhd1 Bd6 17. Nxd5 Bxe5 18. Kf1 Qxd5 19. Qxd5 Nxd5 0-1

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "8"]
[White "Piekarski, Atila Balzer"]
[Black "Santos, Rafael Ventura Dos"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1992"]
[BlackElo "2142"]
[PlyCount "74"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Nf3 d6 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bc1 Nc6 10. h3 exd4 11. Nxd4 Nxd4 12. Qxd4 Ne5 13. 0-0 Be6 14. f4 Nc6 15. Qd3 f5 16. Bd2 Re8 17. exf5 Bxf5 18. Qd5+ Kh8 19. Rae1 Nb4 20. Qxb7 Bd4+ 21. Kh1 Rb8 22. Qf3 Nc2 23. Rd1 Rxb2 24. Bc1 Rb8 25. Nd5 Bg7 26. Bd3 Nd4 27. Qg3 Bxd3 28. Qxd3 Nf5 29. Kh2 h5 30. Rfe1 c6 31. Ne3 Nxe3 32. Rxe3 Rxe3 33. Bxe3 d5 34. Qxg6 d4 35. Qxh5+ Kg8 36. Qg5 Qxg5 37. fxg5 dxe3 0-1

[Event "Titled Tuesday intern op 18th Jul Late"]
[Site "Chess.com INT"]
[Date "2023.07.18"]
[Round "2"]
[White "Piekarski, Atila Balzer"]
[Black "Tustanowski, Robert"]
[Result "1-0"]
[ECO "E41"]
[WhiteElo "1992"]
[BlackElo "2205"]
[PlyCount "63"]
[EventDate "2023.07.18"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Bxc3+ 6. bxc3 Nc6 7. Ne2 d6 8. g4 h6 9. Rg1 b6 10. h4 g5 11. e4 Nd7 12. Ng3 cxd4 13. Nh5 dxc3 14. hxg5 hxg5 15. Qc2 Nde5 16. Qxc3 Nd4 17. Be2 Nxe2 18. Kxe2 Ba6 19. Bb2 Bxc4+ 20. Ke3 Rxh5 21. gxh5 Qf6 22. Rg3 Qf4+ 23. Kd4 b5 24. Qe3 Nc6+ 25. Kc3 Qe5+ 26. Kc2 Nb4+ 27. Kd1 Qxb2 28. Rc1 Nxa2 29. Rc2 Qb1+ 30. Kd2 Nb4 31. Rxc4 bxc4 32. Qxg5 1-0

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.05.01"]
[Round "6"]
[White "Piekarski, Atila Balzer"]
[Black "Felix, Joao Eduardo Orland"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2050"]
[BlackElo "1692"]
[PlyCount "137"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Bb4 8. Qg3 Qxg3 9. hxg3 Nf6 10. Nxc6 bxc6 11. e5 Nd5 12. Bd2 Nxc3 13. a3 Be7 14. Bxc3 c5 15. Bd3 Bb7 16. Kf1 h6 17. Re1 0-0 18. Rh5 Rac8 19. g4 Rfd8 20. Ba5 Rf8 21. Bc3 Rfd8 22. Ba5 Rf8 23. Be4 Bxe4 24. Rxe4 f6 25. Bc3 fxe5 26. Bxe5 d5 27. Ra4 Rc6 28. Ke2 Kf7 29. f4 Bf6 30. Bxf6 Kxf6 31. g5+ Kg6 32. g4 c4 33. gxh6 gxh6 34. Ke3 Rb8 35. Rb4 Rxb4 36. axb4 Rb6 37. c3 a5 38. bxa5 Rxb2 39. f5+ exf5 40. Rxf5 Rb5 41. a6 Ra5 42. Kd4 Rxa6 43. Rxd5 Ra4 44. Kc5 Ra5+ 45. Kxc4 Ra4+ 46. Kb5 Rxg4 47. c4 Rg1 48. c5 Rc1 49. c6 h5 50. Rc5 Rb1+ 51. Kc4 Rc1+ 52. Kd5 Rd1+ 53. Ke6 Re1+ 54. Kd7 Rd1+ 55. Ke7 Re1+ 56. Kf8 Rf1+ 57. Kg8 Re1 58. Kf8 Rf1+ 59. Ke7 Re1+ 60. Kd7 Rd1+ 61. Kc8 h4 62. c7 h3 63. Rc2 Rf1 64. Kb7 Rf7 65. Rh2 Kf6 66. Rxh3 Ke6 67. Rd3 Ke5 68. Kb8 Rf8+ 69. c8Q 1-0

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "5"]
[White "Becker, Rogerio Sperb"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2109"]
[BlackElo "2050"]
[PlyCount "59"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. Nc2 Qh5 8. h4 Bc5 9. b4 Bb6 10. Bb2 Qg6 11. Nc3 h5 12. Ne3 0-0 13. Qc2 Re8 14. 0-0 Na6 15. b5 Nc5 16. bxc6 bxc6 17. Na4 Nxa4 18. Qxa4 Bd7 19. Rac1 Rab8 20. Ba1 Rbc8 21. Rc2 c5 22. Qa6 Ng4 23. Qc4 Nxe3 24. dxe3 Bg4 25. Rd1 Re6 26. Rd5 f6 27. Rcd2 Bf5 28. Rd7 Kh7 29. Qd5 c4 30. Bb2 1/2-1/2

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "4"]
[White "Piekarski, Atila Balzer"]
[Black "Filimberti Uczai, Joao Pedro"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2050"]
[BlackElo "2105"]
[PlyCount "183"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 c5 8. dxc5 Bxc5 9. Ne5 Bxf2+ 10. Kxf2 Qd4+ 11. Be3 Qxe5 12. c3 0-0 13. Qf3 Qd5 14. Bd4 Qxf3+ 15. gxf3 Nd5 16. Rag1 f6 17. Bc4 Nc7 18. Rg3 Bd7 19. Rhg1 Ne8 20. Bb3 b6 21. Rh3 g6 22. f4 Ng7 23. Rd3 Bb5 24. Re3 Kf7 25. Rge1 Rfe8 26. Rh3 h5 27. Rhe3 Rac8 28. a4 Bc4 29. Bc2 Bd5 30. h4 Rcd8 31. Rg3 Nf5 32. Bxf5 exf5 33. Rge3 Be4 34. Ra1 a6 35. Re2 Rd6 36. Ra3 Rg8 37. Rb3 Rb8 38. Bc5 Rc6 39. Bd4 Bd3 40. Re3 Bc2 41. Ra3 Rg8 42. Rg3 Re6 43. Ra1 Re4 44. Rf3 Rge8 45. Kg3 R8e6 46. Rf2 Bb3 47. Ra3 Bd1 48. Ra1 Bg4 49. Raf1 g5 50. Rd2 Kg6 51. Bg1 Rxa4 52. Bd4 Rc4 53. b4 Rc8 54. Ra1 b5 55. Bc5 Rce8 56. Rd6 gxf4+ 57. Kxf4 Re4+ 58. Kg3 f4+ 59. Kf2 Re2+ 60. Kg1 R8e6 61. Rxe6 Bxe6 62. Bd6 Bb3 63. Bxf4 Rc2 64. Rxa6 Rxc3 65. Kf2 Kf5 66. Be3 Rc4 67. Rd6 Rxb4 68. Bd4 Be6 69. Kg2 Rc4 70. Bf2 b4 71. Rb6 Rg4+ 72. Kf3 Bd5+ 73. Ke2 b3 74. Kd3 Ke5 75. Rb5 Ke6 76. Rb6+ Kf5 77. Kc3 Rc4+ 78. Kd3 Rg4 79. Kc3 Rc4+ 80. Kd3 Rc2 81. Bd4 Bc4+ 82. Ke3 Re2+ 83. Kf3 Re6 84. Rb4 Be2+ 85. Kf2 Bd1 86. Be3 Re4 87. Rb5+ Kg4 88. Rb6 Bc2 89. Bc1 f5 90. Bg5 f4 91. Rb8 Bd1 92. Rf8 0-1

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.04.29"]
[Round "3"]
[White "Alonso, Raphael VP Patricio"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "2178"]
[BlackElo "2050"]
[PlyCount "65"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. e3 Nf6 5. d4 Nbd7 6. Bd3 Ne4 7. a3 c6 8. Nbd2 Qf6 9. Qe2 Bd6 10. 0-0 h5 11. Bxe4 Bxe4 12. Nxe4 dxe4 13. Nd2 Qg6 14. f3 f5 15. f4 h4 16. a4 Qh5 17. Qxh5+ Rxh5 18. Nc4 Bc7 19. Ba3 0-0-0 20. Be7 Rg8 21. a5 Nf6 22. Bxf6 gxf6 23. Rf2 Rh7 24. b4 Rhg7 25. Kf1 Kb8 26. c3 Kc8 27. Raa2 Kb8 28. Rab2 a6 29. Rb1 Re7 30. Kg1 Reg7 31. Kh1 Kc8 32. Rg1 Rh7 33. Rd1 1/2-1/2

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.04.29"]
[Round "2"]
[White "Piekarski, Atila Balzer"]
[Black "Hirano, Enzo Erich Kreutz"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2050"]
[BlackElo "1797"]
[PlyCount "67"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 8. Bg5 Be6 9. Bxf6 Qxf6 10. Nd5 Bxd5 11. Qxd5 Nc6 12. Ng3 g6 13. Bc4 Bh6 14. Rd1 Nb4 15. Bb5+ Kf8 16. Qb3 Nxc2+ 17. Qxc2 axb5 18. Qb3 Qe6 19. Rd5 Kg7 20. 0-0 Ra4 21. a3 h4 22. Qxb5 Rha8 23. Ne2 Rxe4 24. Rfd1 Rd8 25. Nc3 Rd4 26. Qxb7 Rxd1+ 27. Rxd1 Rd7 28. Qb5 f5 29. Nd5 e4 30. Qc4 f4 31. Re1 Re7 32. Qc3+ Qe5 33. Nxe7 Kf6 34. Ng8+ 1-0

[Event "Florianopolis op-A 04"]
[Site "Florianopolis"]
[Date "2023.04.28"]
[Round "1"]
[White "De Matos, Alexandre"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1732"]
[BlackElo "2050"]
[PlyCount "123"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 b6 3. e3 Bb7 4. Nf3 c5 5. c3 g6 6. h3 Bg7 7. Nbd2 0-0 8. Be2 d6 9. 0-0 Nc6 10. Bh2 a6 11. a4 Re8 12. Rb1 e5 13. dxe5 Nxe5 14. b4 Nd5 15. Bxe5 dxe5 16. bxc5 Nxc3 17. Qe1 Nxb1 18. Nxb1 bxc5 19. Qc1 Qa5 20. Nbd2 e4 21. Nc4 Qxa4 22. Nfd2 Rad8 23. f3 exf3 24. Bxf3 Bxf3 25. Rxf3 Qa1 26. Qxa1 Bxa1 27. Nb3 Rd1+ 28. Kf2 Rb8 29. Ke2 Rg1 30. Nxa1 Rxa1 31. Rf6 Rc8 32. Nb6 Re8 33. Rc6 Re6 34. Rc8+ Kg7 35. Nd5 Rc1 36. g4 h6 37. Nc7 Rb6 38. h4 f5 39. g5 hxg5 40. hxg5 Kf7 41. Nd5 Rb7 42. Rc6 Ra7 43. Rf6+ Kg7 44. Nf4 a5 45. Rxg6+ Kf7 46. Rf6+ Ke8 47. g6 Rg1 48. Rxf5 a4 49. Re5+ Kd7 50. Rd5+ Kc6 51. Rd2 a3 52. Ra2 Kb5 53. Kf2 Rg5 54. Kf3 Kc4 55. Ne2 Rxg6 56. Kf2 Kb4 57. e4 c4 58. Ke3 Rd7 59. e5 Rd1 60. Nd4 Rg3+ 61. Kf4 Rxd4+ 62. Kxg3 0-1

[Event "Paulista-chTB"]
[Site "Sao Paulo"]
[Date "2023.03.05"]
[Round "5"]
[White "Casalaspro, Mathias Andre"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "C33"]
[WhiteElo "1833"]
[BlackElo "2050"]
[PlyCount "49"]
[EventDate "2023.03.03"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Kiin Hikaru"]
[BlackTeam "LXSBC II"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 d6 5. Nf3 Qh6 6. d4 Be6 7. Qd3 Nd7 8. Nc3 c6 9. Ne2 g5 10. h4 Bxc4 11. Qxc4 f6 12. Qe6+ Kd8 13. g3 Qh5 14. Kf2 Kc7 15. gxf4 Re8 16. Qc4 Nb6 17. Qb3 gxf4 18. Nxf4 Qb5 19. Qf7+ Kd8 20. Ne6+ Rxe6 21. Qxe6 d5 22. Rg1 dxe4 23. Rxg8 exf3 24. Qxf6+ Kd7 25. Qf7+ 1-0

[Event "Paulista-chTB"]
[Site "Sao Paulo"]
[Date "2023.03.05"]
[Round "4"]
[White "Piekarski, Atila Balzer"]
[Black "Dos Souza, Pedro Henrique"]
[Result "1/2-1/2"]
[ECO "C66"]
[WhiteElo "2050"]
[BlackElo "1782"]
[PlyCount "51"]
[EventDate "2023.03.03"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "LXSBC II"]
[BlackTeam "Sao Paulo APCEF"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 d6 5. Re1 Be7 6. c3 0-0 7. h3 Bd7 8. a4 a6 9. Bf1 Re8 10. d4 exd4 11. cxd4 d5 12. e5 Ne4 13. Qb3 Bc8 14. Nc3 Nxc3 15. bxc3 Na5 16. Qb1 c5 17. Bd3 h6 18. e6 Bxe6 19. Rxe6 fxe6 20. Bxh6 gxh6 21. Bb5 axb5 22. Qg6+ Kh8 23. Qxh6+ Kg8 24. Qg6+ Kh8 25. Ne5 Rf8 26. Qh6+ 1/2-1/2

[Event "Paulista-chTB"]
[Site "Sao Paulo"]
[Date "2023.03.04"]
[Round "2"]
[White "Piekarski, Atila Balzer"]
[Black "Patino Vargas, Norma Adilia"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2050"]
[BlackElo "1842"]
[PlyCount "66"]
[EventDate "2023.03.03"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "LXSBC II"]
[BlackTeam "PMFC II"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 Be7 8. Be3 Qc7 9. Bg2 Nc6 10. Nb3 b5 11. f4 Bb7 12. g5 Nd7 13. Qg4 Rc8 14. 0-0 Nb6 15. Rae1 Nc4 16. Bd4 Nxd4 17. Nxd4 Qc5 18. Nce2 Ne3 19. Nxe6 fxe6 20. Qxe6 Nxc2+ 21. Kh2 Nxe1 22. Rxe1 Qf2 23. f5 Qxe1 24. f6 gxf6 25. gxf6 Rc7 26. Nf4 Qh4 27. f7+ Kd8 28. Nd3 Qf6 29. Qb3 Rf8 30. e5 Qxf7 31. e6 Qf5 32. Bxb7 Rxb7 33. a4 d5 0-1

[Event "Paulista-chTB"]
[Site "Sao Paulo"]
[Date "2023.03.04"]
[Round "3"]
[White "Saito, Vinicius Ikezu"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2147"]
[BlackElo "2050"]
[PlyCount "79"]
[EventDate "2023.03.03"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "AXSCS Game Over II"]
[BlackTeam "LXSBC II"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. h3 Be6 7. Nbd2 Nd7 8. Nb3 Be7 9. Na5 Bb4+ 10. Bd2 Bxa5 11. Bxa5 c5 12. b3 f6 13. Bc3 Qe7 14. Qe2 Nb8 15. Bb2 Nc6 16. a4 g5 17. Nd2 h5 18. Nc4 0-0-0 19. Ne3 Qd7 20. h4 Nd4 21. Bxd4 Qxd4 22. Rd1 g4 23. g3 a5 24. 0-0 b6 25. Kh2 Rdf8 26. f3 Rhg8 27. Rf2 Kb8 28. Rdf1 gxf3 29. Rxf3 Rg6 30. Nf5 Qd7 31. Re3 Qh7 32. Rff3 Rfg8 33. Qf2 Rg4 34. Qe1 Kc8 35. Qf2 Kd7 36. Qd2 Qg6 37. Qf2 Qh7 38. Qd2 Qg6 39. Qf2 Qh7 40. Qd2 1/2-1/2

[Event "Paulista-chTB"]
[Site "Sao Paulo"]
[Date "2023.03.03"]
[Round "1"]
[White "Perrone, Braz de Carvalho"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "A23"]
[WhiteElo "2002"]
[BlackElo "2050"]
[PlyCount "92"]
[EventDate "2023.03.03"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Kolping"]
[BlackTeam "LXSBC II"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Nc3 Nc6 8. Nxc6 bxc6 9. 0-0 Bd6 10. d3 exd3 11. Qxd3 0-0 12. Rd1 Bg4 13. h3 Bh5 14. Be3 Re8 15. Rac1 Qa5 16. a3 Rab8 17. Qd2 Qa6 18. Re1 Bg6 19. Nd1 Rb3 20. Bf3 Nd7 21. Qd4 Nf6 22. Qxa7 Qxa7 23. Bxa7 Rxf3 24. Be3 Rf5 25. Rxc6 Bb8 26. f4 h5 27. Bd4 Ne4 28. Ne3 Nxg3 29. Nxf5 Bxf5 30. Kg2 Bxf4 31. e3 Be4+ 32. Kf2 Bb8 33. Rg1 h4 34. b4 Nf5 35. b5 Nxd4 36. exd4 Bd3 37. b6 Bg3+ 38. Rxg3 hxg3+ 39. Kxg3 Ba6 40. a4 Re3+ 41. Kg4 Re4+ 42. Kf3 Rxd4 43. Rc7 Rxa4 44. Ra7 g5 45. Ra8+ Kg7 46. b7 Rf4+ 0-1

[Event "Taubate op 3rd"]
[Site "Taubate"]
[Date "2022.12.04"]
[Round "5"]
[White "Figueira, Leandro Lucas"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1415"]
[BlackElo "2088"]
[PlyCount "94"]
[EventDate "2022.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nf3 Qb6 6. b3 Bf5 7. Nbd2 e6 8. a3 h6 9. Be2 Be7 10. 0-0 Nh5 11. Be5 Nf6 12. Bg3 Nh5 13. Be5 Nf6 14. Bg3 0-0 15. b4 cxb4 16. cxb4 a5 17. b5 Na7 18. a4 Nc8 19. Qb3 Nd6 20. Rac1 Rac8 21. Ne5 Rfd8 22. Qb2 Kf8 23. Rxc8 Rxc8 24. Rc1 Qd8 25. Nb3 Nfe4 26. Nc5 f6 27. Nxe4 Nxe4 28. Nd3 Nxg3 29. hxg3 b6 30. Nf4 Rxc1+ 31. Qxc1 e5 32. g4 Bc8 33. Ng6+ Kf7 34. Nxe7 Kxe7 35. f3 Bd7 36. Kf2 Qc8 37. Qxc8 Bxc8 38. g3 g5 39. Bd1 Kd6 40. Kg2 f5 41. gxf5 Bxf5 42. g4 Bd3 43. Kg3 Ke6 44. Bb3 Bc4 45. Bd1 Kf6 46. Bc2 Be2 47. Kf2 Bc4 1/2-1/2

[Event "Taubate op 3rd"]
[Site "Taubate"]
[Date "2022.12.04"]
[Round "6"]
[White "Piekarski, Atila Balzer"]
[Black "Salles, Henrique"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2088"]
[BlackElo "1341"]
[PlyCount "56"]
[EventDate "2022.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 Be7 8. g4 Nbd7 9. Be3 b5 10. g5 Nh5 11. Nd5 Bb7 12. Nec3 g6 13. Be2 Ng7 14. Qd2 0-0 15. 0-0-0 Ne8 16. h4 Nc5 17. f3 Rc8 18. h5 Rb8 19. hxg6 fxg6 20. Kb1 Kg7 21. Rh6 Rh8 22. Rdh1 Ne6 23. f4 b4 24. Bc4 bxc3 25. Qh2 Nf8 26. Nxe7 d5 27. Nxd5 Bxd5 28. Bxd5 Ne6 1-0

[Event "Taubate op 3rd"]
[Site "Taubate"]
[Date "2022.12.03"]
[Round "4"]
[White "Piekarski, Atila Balzer"]
[Black "Souza, Ramon Santana De"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2088"]
[BlackElo "1939"]
[PlyCount "78"]
[EventDate "2022.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 a6 5. a4 Nc6 6. h3 Nf6 7. Bc4 0-0 8. 0-0 Nxe4 9. Nxe4 d5 10. Bxd5 Qxd5 11. Nc3 Qd6 12. Ne2 Bf5 13. c3 e5 14. dxe5 Qxd1 15. Rxd1 Nxe5 16. Nxe5 Bxe5 17. Bf4 Bxf4 18. Nxf4 Rad8 19. a5 Bc2 20. Re1 Rd7 21. b4 c5 22. Ra2 Bb3 23. Rb2 Bc4 24. Re4 Rd1+ 25. Kh2 Bb5 26. bxc5 Rc1 27. c4 Rxc4 28. Rxc4 Bxc4 29. Rb4 Bb5 30. Nd5 Rd8 31. Nf6+ Kg7 32. Ne4 Rd5 33. g4 f5 34. gxf5 gxf5 35. Ng5 h6 36. Rd4 Rxd4 37. Ne6+ Kf6 38. Nxd4 Ke5 39. Nxb5 axb5 0-1

[Event "Taubate op 3rd"]
[Site "Taubate"]
[Date "2022.12.03"]
[Round "3"]
[White "Shukair, Said Nahi"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "E30"]
[WhiteElo "1800"]
[BlackElo "2088"]
[PlyCount "112"]
[EventDate "2022.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. Nf3 h6 6. Bh4 Qa5 7. Bxf6 Bxc3+ 8. bxc3 Qxc3+ 9. Nd2 gxf6 10. dxc5 Na6 11. g3 Nb4 12. Rc1 Qe5 13. Qb3 Qxc5 14. Bg2 Nc6 15. 0-0 Ke7 16. Rfd1 a5 17. Ne4 Qb4 18. Qe3 h5 19. Rd2 Ne5 20. a3 Nxc4 21. axb4 Nxe3 22. fxe3 axb4 23. Rb1 d5 24. Nc5 h4 25. Rxb4 Ra1+ 26. Kf2 hxg3+ 27. hxg3 Rc1 28. Nb3 Rb1 29. Rdd4 f5 30. Na5 Rc1 31. Nxb7 Kf6 32. Nd6 Ba6 33. Rb6 Bxe2 34. Kxe2 Rc2+ 35. Rd2 Rxd2+ 36. Kxd2 Rh2 37. Ke2 Rxg2+ 38. Kf3 Ra2 39. Rb7 e5 40. g4 e4+ 41. Kg3 fxg4 42. Kxg4 Rg2+ 43. Kf4 Rf2+ 44. Kg4 Ke6 45. Rxf7 Rg2+ 46. Kf4 Kxd6 47. Rf6+ Kc5 48. Ke5 Kc4 49. Rc6+ Kd3 50. Ra6 Kxe3 51. Ra3+ Ke2 52. Ra2+ Kf3 53. Ra3+ e3 54. Kxd5 Rg4 55. Ke5 Kf2 56. Kf5 Rb4 0-1

[Event "Taubate op 3rd"]
[Site "Taubate"]
[Date "2022.12.02"]
[Round "2"]
[White "Da Silva, Lucas Pereira Mende"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "1817"]
[BlackElo "2088"]
[PlyCount "69"]
[EventDate "2022.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. Nge2 b6 6. a3 Bf8 7. Ng3 Bb7 8. Be3 Nc6 9. Bb5 0-0-0 10. Qe2 f6 11. f4 h6 12. Nd1 Qf7 13. 0-0 f5 14. b4 Nge7 15. c3 Kb8 16. Ba6 g5 17. a4 Nc8 18. a5 gxf4 19. Bxf4 h5 20. Ne3 h4 21. axb6 hxg3 22. Bxb7 gxh2+ 23. Kh1 Kxb7 24. Qa6+ Kb8 25. b7 N6e7 26. Bg5 c6 27. bxc8Q+ Nxc8 28. Bxd8 Bh6 29. Bf6 Rg8 30. Qe2 Qg6 31. Rf3 Nb6 32. Nf1 Qh5 33. Qa2 Nc8 34. Rh3 Qg6 35. Rg3 1-0

[Event "Taubate op 3rd"]
[Site "Taubate"]
[Date "2022.12.01"]
[Round "1"]
[White "Piekarski, Atila Balzer"]
[Black "Eto, Fabio Luis"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2088"]
[BlackElo "1610"]
[PlyCount "101"]
[EventDate "2022.12.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Rb8 12. Nc2 Bg5 13. a4 bxa4 14. Rxa4 Rxb2 15. Bxa6 Bd7 16. 0-0 Nb8 17. Rb4 Rxb4 18. Ncxb4 Nxa6 19. Nxa6 0-0 20. Qb3 Qa5 21. Nab4 Rc8 22. c4 Qc5 23. Qg3 Bd8 24. Rc1 Qd4 25. Qd3 Qa7 26. Ne3 Bb6 27. Nbd5 Bd8 28. Rd1 Be6 29. h3 g6 30. Kh1 Kg7 31. f4 f6 32. f5 Bf7 33. fxg6 hxg6 34. Ng4 Be6 35. Qf3 Rxc4 36. Ndxf6 Qf7 37. Rf1 Bxf6 38. Nxf6 Rd4 39. Kh2 Bc4 40. Rf2 Be6 41. g3 Rb4 42. Qa3 Qb7 43. Ne8+ Kh7 44. Nxd6 Qb6 45. Rd2 Rb3 46. Qc1 Qe3 47. Qc7+ Kh6 48. Rg2 Qf3 49. Qe7 Bg8 50. Ne8 Qf7 51. Qh4# 1-0

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.23"]
[Round "6"]
[White "Becker, Rogerio Sperb"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2081"]
[BlackElo "2080"]
[PlyCount "127"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 Na6 6. Nf3 Bc5 7. Qd1 d5 8. cxd5 Nb4 9. 0-0 0-0 10. a3 Nbxd5 11. Qc2 Qe7 12. b4 Bb6 13. Bb2 Re8 14. e3 Qe4 15. Qxe4 Nxe4 16. Nd4 a5 17. Bxe4 Rxe4 18. Nd2 Re8 19. Nc4 Bc7 20. bxa5 Bxa5 21. Nxa5 Rxa5 22. Kg2 Ra4 23. Rfc1 f6 24. Kf3 Kf7 25. g4 g6 26. h3 Nb6 27. Rc3 h5 28. Rg1 hxg4+ 29. hxg4 Nc4 30. Bc1 Ne5+ 31. Kg3 Nxg4 32. Rh1 Kg7 33. Rh4 Rxd4 34. exd4 f5 35. Bf4 Re1 36. Kg2 Be6 37. Be5+ Nxe5 38. dxe5 Rxe5 39. Re3 Bd5+ 40. Kg3 Rxe3+ 41. fxe3 g5 42. Rh5 Kg6 43. Rh8 b5 44. Rd8 Kf6 45. Re8 Be6 46. Kf3 Ke5 47. Re7 f4 48. exf4+ gxf4 49. Re8 c5 50. Rb8 Bd5+ 51. Kf2 Bc6 52. Rc8 Kd6 53. Rf8 f3 54. Ke3 Kc7 55. Rf6 Kb6 56. Kd3 Kb7 57. Kc3 Be4 58. Rf4 Bd5 59. Rf6 Bc6 60. Kd3 Kc7 61. Rf7+ Kb6 62. Rf6 Kc7 63. Rf7+ Kb6 64. Rf6 1/2-1/2

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.23"]
[Round "5"]
[White "Piekarski, Atila Balzer"]
[Black "Desideri, Ricardo Maruchi"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2080"]
[BlackElo "1939"]
[PlyCount "103"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 b5 8. Bg2 Bb7 9. 0-0 h6 10. Re1 Qc7 11. f4 Nc6 12. Nxc6 Qxc6 13. a4 Rc8 14. axb5 axb5 15. Ra7 Be7 16. Rxb7 Qxb7 17. e5 Qb6+ 18. Be3 Qa6 19. exf6 Bxf6 20. Ne4 Be7 21. b4 0-0 22. Qd3 d5 23. Nc5 Bxc5 24. Bxc5 Rfe8 25. f5 exf5 26. Rxe8+ Rxe8 27. Qxf5 Qa1+ 28. Kh2 Re2 29. Qc8+ Kh7 30. Qf5+ Kg8 31. Qxd5 Qf1 32. Qa8+ Kh7 33. Qe4+ g6 34. Bg1 Qe1 35. Qf3 Kg8 36. Qa8+ Kh7 37. Bd4 Re8 38. Qf3 Kg8 39. Qf6 Kf8 40. Qg7+ Ke7 41. Qe5+ Qxe5+ 42. Bxe5 Ke6 43. Bd4 f5 44. Kg3 fxg4 45. hxg4 h5 46. gxh5 gxh5 47. Kh4 Rg8 48. Bh3+ Kd5 49. c3 Re8 50. Kxh5 Re1 51. Kg5 Rd1 52. Bh8 1-0

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.22"]
[Round "2"]
[White "Eger, Laura Luisa"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1754"]
[BlackElo "2080"]
[PlyCount "96"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 0-0 6. Re1 d6 7. a3 Na5 8. Ba2 c5 9. Nbd2 Nc6 10. Nf1 Be6 11. Bxe6 fxe6 12. c3 Qd7 13. Ng3 Kh8 14. Qe2 Ng8 15. Be3 d5 16. exd5 exd5 17. Bd2 Bf6 18. Rad1 Rae8 19. Bc1 g6 20. Qc2 Bg7 21. Re2 Nge7 22. b4 cxb4 23. cxb4 Rxf3 24. gxf3 Nd4 25. Qa2 Nxe2+ 26. Qxe2 Nf5 27. Nxf5 Qxf5 28. Bb2 Bh6 29. Kh1 Qh5 30. Bc1 Bg7 31. Re1 Rf8 32. Kg2 Qf5 33. Bb2 Re8 34. Qe3 b6 35. a4 h5 36. a5 bxa5 37. bxa5 a6 38. Ba1 Kh7 39. Rb1 Re7 40. Rb6 Bh6 41. Qe2 Bf4 42. Rc6 Rb7 43. Qc2 Kh6 44. Rxa6 Qg5+ 45. Kf1 Qf5 46. Kg2 Qg5+ 47. Kf1 Qf5 48. Kg2 Qg5+ 1/2-1/2

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.22"]
[Round "3"]
[White "Piekarski, Atila Balzer"]
[Black "Felix, Joao Eduardo Orland"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2080"]
[BlackElo "1638"]
[PlyCount "89"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 a6 7. Nd6+ Bxd6 8. Qxd6 Qe7 9. Bf4 0-0 10. 0-0-0 Ng4 11. Qd2 Re8 12. f3 Nge5 13. Kb1 b5 14. Bg5 f6 15. Be3 Rb8 16. Qd6 Qxd6 17. Rxd6 Nf7 18. Rd2 d6 19. Be2 Bb7 20. Bf4 e5 21. Be3 Ne7 22. Rhd1 Rbc8 23. a4 b4 24. Na2 Nc6 25. Bc4 Kf8 26. Bxf7 Kxf7 27. Rxd6 Re7 28. Bb6 a5 29. Nc1 Ra8 30. Nb3 Ra6 31. Be3 Ba8 32. Nc5 Raa7 33. Nd7 Rc7 34. Nb6 Bb7 35. Nd5 Rcd7 36. Nxe7 Rxd6 37. Rxd6 Kxe7 38. Bc5 Ke8 39. b3 Nd8 40. Kb2 Nc6 41. c3 h6 42. cxb4 axb4 43. a5 Nxa5 44. Bxb4 Nc6 45. Bc5 1-0

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.22"]
[Round "4"]
[White "Silva, Jeferson"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1951"]
[BlackElo "2080"]
[PlyCount "132"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. c3 h6 5. Bh4 Be7 6. Nbd2 cxd4 7. Nxd4 d5 8. e3 Nc6 9. N2f3 Ne4 10. Bxe7 Qxe7 11. Bd3 Nd6 12. Nxc6 bxc6 13. Qa4 0-0 14. 0-0 e5 15. e4 Bd7 16. Rfe1 f6 17. Qa3 Rfb8 18. Rab1 a5 19. Qc5 Nf5 20. Qxe7 Nxe7 21. b3 Ra7 22. Rbd1 Be8 23. h3 Bf7 24. Bc2 Kf8 25. Re2 g5 26. Nd2 Bg6 27. Nf1 Bh5 28. f3 Bf7 29. Ne3 Rd8 30. Red2 Rad7 31. exd5 cxd5 32. c4 Be6 33. cxd5 Nxd5 34. Nxd5 Rxd5 35. Rxd5 Rxd5 36. Rxd5 Bxd5 37. Bf5 Ke7 38. Kf2 h5 39. Ke3 Kd6 40. Kd3 h4 41. Kc3 Kc5 42. a3 Kb6 43. Bd3 Be6 44. Bc4 Bd7 45. Kd3 f5 46. Ke3 Kc5 47. Kd3 Bc8 48. Kc3 g4 49. hxg4 fxg4 50. b4+ axb4+ 51. axb4+ Kd6 52. fxg4 Bxg4 53. Kd3 Bf3 54. Ke3 Bxg2 55. Kf2 h3 56. Kg3 e4 57. Be2 Kd5 58. Kh2 Kd4 59. b5 Kc3 60. b6 e3 61. b7 Bxb7 62. Kxh3 Kd2 63. Bh5 Ba6 64. Kg3 Be2 65. Be8 Bf3 66. Bb5 Be4 0-1

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.21"]
[Round "1"]
[White "Piekarski, Atila Balzer"]
[Black "De Lorenzi, Diego Rafael"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2080"]
[BlackElo "1478"]
[PlyCount "63"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Qb6 6. Nb5 a6 7. Be3 Qa5+ 8. Bd2 Qb6 9. Be3 Qa5+ 10. N5c3 Nf6 11. f3 g6 12. Nd2 Bg7 13. Nb3 Qc7 14. Rc1 0-0 15. Nd5 Nxd5 16. cxd5 Bxb2 17. Rc2 Ba3 18. Bd3 Bb4+ 19. Kf2 Bd7 20. Qa1 e5 21. a3 Bc5 22. Nxc5 dxc5 23. dxc6 Bxc6 24. Rxc5 Rad8 25. Be2 Rfe8 26. Rhc1 Qe7 27. Kg1 Rd6 28. Rd1 Rxd1+ 29. Bxd1 Qh4 30. Bb3 Rd8 31. Bc4 Ba4 32. Bd5 1-0

[Event "BRA-ch U2300 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.19"]
[Round "7"]
[White "Piekarski, Atila Balzer"]
[Black "Caetano, Ryan Wesley da Cost"]
[Result "1/2-1/2"]
[ECO "C82"]
[WhiteElo "2050"]
[BlackElo "2189"]
[PlyCount "153"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3 0-0 11. Be3 Bxe3 12. Qxe3 Na5 13. Nbd2 Nxd2 14. Nxd2 Nxb3 15. Nxb3 Qe7 16. f4 Bf5 17. Rad1 c6 18. Rde1 Rfe8 19. Rf2 Rac8 20. Qb6 Qc7 21. Qc5 a5 22. Qd4 Re7 23. Nc5 Rce8 24. Rfe2 f6 25. Re3 fxe5 26. Rxe5 Rxe5 27. Rxe5 Rxe5 28. Qxe5 Qc8 29. h3 Qf8 30. Qe3 h5 31. Kh2 Kh7 32. Nb3 Qd6 33. Nd4 Be4 34. Qg3 b4 35. Qg5 g6 36. g4 c5 37. Nb5 Qd7 38. Qf6 hxg4 39. hxg4 Qg7 40. Qh4+ Qh6 41. Kg3 Qxh4+ 42. Kxh4 Bd3 43. Nc7 Bc4 44. a3 d4 45. cxd4 cxd4 46. Ne8 bxa3 47. bxa3 d3 48. Nf6+ Kg7 49. Ne4 Bd5 50. Nd2 Kf6 51. Nf1 Ke6 52. Kg5 Be4 53. Nd2 Kd5 54. f5 gxf5 55. gxf5 Kd4 56. Nxe4 Kxe4 57. f6 d2 58. f7 d1Q 59. f8Q Qc1+ 60. Kg4 Qg1+ 61. Kh3 Qe3+ 62. Kg2 Qe2+ 63. Kg3 Qd2 64. Qe7+ Kd3 65. Qd6+ Kc2 66. Qxd2+ Kxd2 67. Kf2 a4 68. Kf1 Kd1 69. Kf2 Kd2 70. Kf1 Kc3 71. Ke1 Kb3 72. Kd1 Kxa3 73. Kc2 Ka2 74. Kc1 Ka1 75. Kc2 a3 76. Kc1 a2 77. Kc2 1/2-1/2

[Event "BRA-ch U2300 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.18"]
[Round "6"]
[White "Federzoni, Enzo"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2128"]
[BlackElo "2050"]
[PlyCount "70"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Nd5 7. c4 Nb6 8. Bd3 Qh4 9. 0-0 d5 10. cxd5 cxd5 11. Bb5+ Bd7 12. Bxd7+ Kxd7 13. Nc3 c6 14. Be3 Bb4 15. Rc1 Rac8 16. Bxb6 Bxc3 17. Rxc3 axb6 18. Qb3 Qd4 19. Rd1 Qxe5 20. Qxb6 Rhe8 21. h3 Qb8 22. Qd4 Qe5 23. Qg4+ f5 24. Qh5 Qf6 25. Rf3 g6 26. Qxh7+ Re7 27. Qh6 Rce8 28. Re3 Rxe3 29. fxe3 Re6 30. Rd2 Qe5 31. Kf2 f4 32. Re2 d4 33. Qh7+ Kd6 34. Qg8 fxe3+ 35. Kg1 Kd5 1/2-1/2

[Event "BRA-ch U2300 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.18"]
[Round "5"]
[White "Piekarski, Atila Balzer"]
[Black "Sekula, Markley Ribas"]
[Result "1-0"]
[ECO "C79"]
[WhiteElo "2050"]
[BlackElo "2046"]
[PlyCount "107"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 d6 6. Re1 b5 7. Bb3 Na5 8. d4 Nxb3 9. axb3 Bg4 10. dxe5 Bxf3 11. Qxf3 dxe5 12. Bg5 h6 13. Rd1 Bd6 14. Bxf6 Qxf6 15. Qxf6 gxf6 16. Nc3 Ke7 17. Nd5+ Ke6 18. Ne3 Rhb8 19. Nf5 Bf8 20. Rd5 c6 21. Rd3 Rd8 22. Rad1 Rxd3 23. Rxd3 a5 24. Kf1 a4 25. bxa4 bxa4 26. c3 Rb8 27. Rd2 Rb3 28. Rc2 Kd7 29. Ke2 Kc7 30. Kd3 a3 31. bxa3 Rxa3 32. f3 Ra1 33. Rd2 Ra3 34. Kc4 Ra1 35. g4 Rf1 36. Rd3 Rh1 37. h4 Rf1 38. Ng3 Rg1 39. Nh5 Be7 40. Ng7 Rf1 41. h5 Rf2 42. Kb3 c5 43. c4 Kc6 44. Kc3 Kc7 45. Nf5 Bf8 46. Ne3 Be7 47. Nd5+ Kd7 48. Nxf6+ Ke6 49. Nd5 Bd8 50. Kb3 Rf1 51. Ka4 Ra1+ 52. Kb5 Ra5+ 53. Kc6 Bh4 54. Rb3 1-0

[Event "BRA-ch U2300 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.17"]
[Round "4"]
[White "Araujo, Renan Aparecido"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "2030"]
[BlackElo "2050"]
[PlyCount "78"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

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. 0-0 Bc5 10. f3 Ng5 11. f4 Ne4 12. Be3 Bb6 13. Nd2 Nxd2 14. Qxd2 c5 15. Nf3 Bf5 16. c3 0-0 17. Rad1 c6 18. Qf2 Qe7 19. Nd2 c4 20. Nf3 Bd3 21. Rfe1 Bxe3 22. Rxe3 Rab8 23. Nd4 Rb6 24. b4 Be4 25. Rg3 Rfb8 26. Re1 g6 27. Nc2 a5 28. a3 axb4 29. cxb4 Bxc2 30. Qxc2 c5 31. f5 cxb4 32. e6 Qf6 33. exf7+ Qxf7 34. axb4 Rf6 35. fxg6 hxg6 36. Rge3 Qa7 37. Kh1 Qxe3 38. Qxg6+ Rxg6 39. Rxe3 Rxb4 0-1

[Event "BRA-ch U2300 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.17"]
[Round "3"]
[White "Piekarski, Atila Balzer"]
[Black "Almeida Junior, Alvaro Alves de"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "2050"]
[BlackElo "2024"]
[PlyCount "71"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 Nf6 4. e5 Nd5 5. Bc4 e6 6. 0-0 Be7 7. d4 cxd4 8. Bxd5 exd5 9. Qxd4 d6 10. exd6 Qxd6 11. Qxg7 Qf6 12. Qxf6 Bxf6 13. Re1+ Be6 14. Bg5 Nd7 15. Bxf6 Nxf6 16. Nd4 Kd7 17. Nd2 Rhg8 18. Re3 Rae8 19. f4 Bg4 20. Rae1 Bh3 21. g3 Rxe3 22. Rxe3 Ng4 23. Re2 Re8 24. Rxe8 Kxe8 25. Nc2 Ke7 26. Nf1 Bxf1 27. Kxf1 Nxh2+ 28. Kg2 Ng4 29. Kf3 Nf6 30. g4 Ne4 31. Ke3 Nc5 32. b3 Kd6 33. Kd4 Ne6+ 34. Ke3 Nc5 35. Kd4 Ne6+ 36. Ke3 1/2-1/2

[Event "BRA-ch U2300 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.16"]
[Round "2"]
[White "De Carvalho, Vitor Augusto Ponci"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "2005"]
[BlackElo "2050"]
[PlyCount "91"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Bc4 Nc6 4. Nf3 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Neg5 0-0-0 11. Nxe6 fxe6 12. Rxe6 h6 13. Qe2 g5 14. Bd2 Qd5 15. Re8 Bg7 16. Qe6+ Qxe6 17. Rxe6 Rd5 18. h3 Kd7 19. Rae1 Rf8 20. c4 dxc3 21. Bxc3 Bxc3 22. bxc3 Rd6 23. R6e3 Rff6 24. Kf1 Rfe6 25. Rxe6 Rxe6 26. Rxe6 Kxe6 27. Ke2 Kd5 28. h4 g4 29. Nh2 Ne5 30. Nf1 a5 31. Ng3 Ng6 32. Nf5 Nf4+ 33. Kd2 Nxg2 34. Nxh6 Nxh4 35. Nxg4 Nf5 36. Ne3+ Ke4 37. Nxf5 Kxf5 38. Ke3 Ke5 39. c4 a4 40. a3 b6 41. Kd3 c6 42. Ke3 Kf5 43. Kd3 Ke5 44. Ke3 Kf5 45. Kd3 Ke5 46. Ke3 1/2-1/2

[Event "BRA-ch U2300 Amateurs"]
[Site "Sao Paulo"]
[Date "2022.06.16"]
[Round "1"]
[White "Piekarski, Atila Balzer"]
[Black "Kim, Thiago"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2050"]
[BlackElo "1938"]
[PlyCount "91"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. 0-0 Bd6 5. d3 Nge7 6. a4 0-0 7. c3 a6 8. Bc4 Ng6 9. Ng5 h6 10. Qh5 hxg5 11. Qxg6 Be7 12. Qh5 d6 13. Nd2 Na5 14. Ba2 b5 15. axb5 axb5 16. Bd5 Bb7 17. Bxb7 Nxb7 18. Rxa8 Qxa8 19. Nf3 f6 20. h4 Qe8 21. Qxe8 Rxe8 22. hxg5 Na5 23. g6 Nb3 24. Nh4 Rd8 25. Nf5 Bf8 26. c4 bxc4 27. dxc4 Ra8 28. Be3 Ra2 29. Rd1 Rxb2 30. Nxd6 Nd4 31. Nf5 Rb4 32. Ra1 Rxc4 33. Ra8 Nxf5 34. exf5 Rc2 35. Rc8 Rc3 36. Kf1 Rc2 37. Ke1 e4 38. Kd1 Rc3 39. Kd2 Rd3+ 40. Kc2 Rd5 41. g4 c4 42. Kc3 Ra5 43. Kxc4 Re5 44. Kd4 Re7 45. Kc3 Re5 46. Kc4 1-0

[Event "Titled Tuesday intern op 26th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.26"]
[Round "2"]
[White "Andreikin, Dmitry"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2729"]
[BlackElo "2050"]
[PlyCount "47"]
[EventDate "2022.04.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d3 Nf6 7. Bd2 Bb4 8. a3 Qa5 9. Rd1 dxe4 10. axb4 exf3 11. bxa5 fxg2 12. Bxg2 0-0 13. 0-0 Nbd7 14. a6 bxa6 15. Ra1 Rab8 16. b3 Rb6 17. Be3 c5 18. Na4 Rb5 19. Bc6 Rbb8 20. Nxc5 Nxc5 21. Bxc5 Rfc8 22. Bxa7 Rb4 23. Rxa6 h5 24. Be3 1-0

[Event "Titled Tuesday intern op 26th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.26"]
[Round "6"]
[White "Kanyamarala, Trisha"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2198"]
[BlackElo "2050"]
[PlyCount "37"]
[EventDate "2022.04.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 c5 4. Bxc4 cxd4 5. exd4 Qc7 6. Qc2 Be6 7. Bb5+ Nc6 8. Nc3 Nf6 9. Nf3 a6 10. Bxc6+ Qxc6 11. 0-0 Rd8 12. Ne5 Qc7 13. Be3 Nd5 14. Qa4+ b5 15. Qxa6 Nxc3 16. bxc3 Qxc3 17. Qxb5+ Bd7 18. Nxd7 Rxd7 19. Rac1 1-0

[Event "Titled Tuesday intern op 26th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.26"]
[Round "7"]
[White "Leschinsky, Gary"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "1992"]
[BlackElo "2050"]
[PlyCount "35"]
[EventDate "2022.04.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. e4 Nxe4 8. Qe2 Nf6 9. d5 Nxd5 10. Rd1 Be7 11. Nc3 0-0 12. Nxd5 exd5 13. Bxd5 Qc7 14. Ng5 Bf5 15. Nxf7 Rxf7 16. Bf4 Qxf4 17. Qxe7 Bd7 18. Qd8+ 1-0

[Event "Titled Tuesday intern op 26th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.26"]
[Round "9"]
[White "Oro, Luis"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2255"]
[BlackElo "2050"]
[PlyCount "88"]
[EventDate "2022.04.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Nh6 6. f4 Nf5 7. Bf2 h5 8. Bd3 Nd7 9. Bxf5 exf5 10. Qxd5 Nxc5 11. Qxd8+ Kxd8 12. Nc3 Be6 13. 0-0-0+ Kc7 14. Nb5+ Kc6 15. Nd4+ Kc7 16. Nxe6+ fxe6 17. Bxc5 Bxc5 18. g3 h4 19. Nf3 hxg3 20. hxg3 Rad8 21. Ng5 Rhe8 22. Rh7 Be3+ 23. Rd2 Bxd2+ 24. Kb1 Bxf4 25. Rxg7+ Kb6 26. a3 Bxg5 27. Rxg5 Rd5 28. c4 Rxe5 29. Ka2 Re4 30. Kb3 Rd8 31. Rg6 Rd3+ 32. Kc2 Rdd4 33. b3 Re2+ 34. Kc3 Rde4 35. b4 R2e3+ 36. Kb2 Rf3 37. Kc2 Re2+ 38. Kd1 Rff2 39. a4 a5 40. c5+ Kc6 41. b5+ Kxc5 42. Rg7 Ra2 43. Ke1 Rh2 44. Rc7+ Kb4 0-1

[Event "Titled Tuesday intern op 26th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.26"]
[Round "10"]
[White "Petrova, Irina"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2127"]
[BlackElo "2050"]
[PlyCount "31"]
[EventDate "2022.04.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Nc6 6. Nf3 Bxc5 7. b4 Bb6 8. Bb2 Nge7 9. Bd3 Ng6 10. 0-0 0-0 11. Nbd2 f6 12. exf6 gxf6 13. c4 Nf4 14. Bc2 e5 15. cxd5 Qxd5 16. Bb3 1-0

[Event "Titled Tuesday intern op 26th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.26"]
[Round "5"]
[White "Piekarski, Atila Balzer"]
[Black "Kostiukov, Alexandr"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2050"]
[BlackElo "2271"]
[PlyCount "52"]
[EventDate "2022.04.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 g6 2. Bg5 Bg7 3. c3 h6 4. Bh4 f5 5. e3 Nf6 6. Nd2 0-0 7. f4 d6 8. Ngf3 Qe8 9. Bc4+ Kh7 10. Bxf6 Bxf6 11. Qe2 Nd7 12. 0-0-0 e5 13. fxe5 dxe5 14. e4 exd4 15. cxd4 c5 16. e5 Bg7 17. e6 Nb6 18. Bb5 Qe7 19. dxc5 Qxc5+ 20. Kb1 Bxe6 21. Qxe6 Qxb5 22. Nb3 Rae8 23. Qd6 Re2 24. Rd2 Nc4 25. Qxf8 Nxd2+ 26. Nfxd2 Bxf8 0-1

[Event "Titled Tuesday intern op 26th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.26"]
[Round "11"]
[White "Piekarski, Atila Balzer"]
[Black "Mirza, Diana"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2050"]
[BlackElo "1905"]
[PlyCount "46"]
[EventDate "2022.04.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 h6 3. Bxf6 gxf6 4. c4 e5 5. e3 d6 6. Nc3 Bf5 7. h3 Na6 8. Qf3 Qc8 9. g4 Nb4 10. 0-0-0 Bg6 11. Qxf6 Rg8 12. Nd5 Nxa2+ 13. Kd2 c6 14. Nc3 Nxc3 15. bxc3 exd4 16. cxd4 Qe6 17. Qxe6+ fxe6 18. Bg2 d5 19. c5 b6 20. cxb6 axb6 21. Ne2 Bb4+ 22. Kc1 Ra2 23. Nf4 Ba3# 0-1

[Event "Titled Tuesday intern op 26th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.26"]
[Round "4"]
[White "Piekarski, Atila Balzer"]
[Black "Ouellet, Maili Jade"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2050"]
[BlackElo "2179"]
[PlyCount "76"]
[EventDate "2022.04.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 h6 3. Bh4 c6 4. Nc3 Nd7 5. e4 dxe4 6. Nxe4 Ngf6 7. Nxf6+ Nxf6 8. Bc4 Bf5 9. Nf3 e6 10. 0-0 Be7 11. c3 0-0 12. h3 Rc8 13. Ne5 Nd5 14. Bxe7 Qxe7 15. Qb3 Rc7 16. Rae1 Qg5 17. Bxd5 cxd5 18. f4 Qg3 19. Kh1 Be4 20. Re2 Qxh3+ 21. Kg1 Qg3 22. Qd1 f6 23. Nf3 g5 24. Qe1 Qg4 25. Nd2 Bd3 26. Rxe6 Bxf1 27. Nxf1 Qxf4 28. Qe2 Qf5 29. Re3 Rh7 30. Ng3 Qd7 31. Nh5 f5 32. Qd3 Rhf7 33. Re5 Re8 34. Ng3 Rxe5 35. dxe5 Qe6 36. Qd4 Re7 37. Nh5 Qxe5 38. Nf6+ Kf7 0-1

[Event "Titled Tuesday intern op 26th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.26"]
[Round "8"]
[White "Piekarski, Atila Balzer"]
[Black "Ricaurte Lopez, Juan Carlos"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2050"]
[BlackElo "2226"]
[PlyCount "15"]
[EventDate "2022.04.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 c5 3. dxc5 Qa5+ 4. Nc3 e6 5. e4 dxe4 6. b4 Qc7 7. Nb5 Qc6 8. Qd8# 1-0

[Event "Titled Tuesday intern op 26th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.26"]
[Round "1"]
[White "Piekarski, Atila Balzer"]
[Black "Suder, Jakub"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2050"]
[BlackElo "2306"]
[PlyCount "153"]
[EventDate "2022.04.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 c6 3. Nc3 Qb6 4. Qd2 Nd7 5. f3 e5 6. dxe5 Bc5 7. e3 h6 8. Na4 Qb4 9. Nxc5 Qxc5 10. Bf4 Ne7 11. Bg3 Ng6 12. f4 Nb6 13. Bf2 Qe7 14. Nf3 Bg4 15. 0-0-0 0-0-0 16. Kb1 Kb8 17. Be2 f6 18. exf6 Qxf6 19. h3 Bxf3 20. gxf3 Rhe8 21. Bd3 Ne7 22. Rhg1 Nec8 23. Rg6 Qf8 24. Rdg1 Rd7 25. b3 Nd6 26. Qc3 Ree7 27. e4 dxe4 28. fxe4 Ne8 29. f5 Ka8 30. e5 Nd5 31. Qc5 Nb6 32. f6 gxf6 33. exf6 Rf7 34. Qxf8 Rxf8 35. Rg8 Rdf7 36. Rxf8 Rxf8 37. Bd4 Nd5 38. Rg7 Nexf6 39. Bxf6 Nxf6 40. Kb2 Kb8 41. a4 Nd5 42. Rg6 Rf6 43. Rg8+ Kc7 44. Rh8 Nf4 45. Be4 Kb6 46. a5+ Kxa5 47. Rh7 Kb6 48. b4 Ne6 49. Kb3 Ng5 50. Re7 Nxe4 51. Rxe4 Rf3+ 52. c3 Rxh3 53. Re7 h5 54. Rh7 h4 55. Kc4 Ka6 56. Rh6 Rh1 57. Kc5 h3 58. c4 h2 59. Rh5 Rg1 60. Rxh2 Rg5+ 61. Kd4 Rg6 62. Rh5 Kb6 63. Rf5 Rg7 64. Rh5 Kc7 65. Kc5 Rd7 66. b5 b6+ 67. Kb4 Rd3 68. bxc6 Kxc6 69. Rh6+ Kb7 70. Rh7+ Ka6 71. Rg7 Rf3 72. Rh7 Rf4 73. Re7 Rh4 74. Rg7 Rh5 75. Rf7 Rc5 76. Rg7 Rc8 77. Rh7 1-0

[Event "Titled Tuesday intern op 26th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.26"]
[Round "3"]
[White "Zhurbinsky, David J"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1996"]
[BlackElo "2050"]
[PlyCount "51"]
[EventDate "2022.04.26"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bc4 e6 9. Bf4 Ngf6 10. Qe2 Qa5+ 11. c3 Nd5 12. Bd2 Qb6 13. Bb3 a5 14. h5 Bh7 15. 0-0 a4 16. Bxd5 cxd5 17. Bf4 Be7 18. Ne5 Nxe5 19. Bxe5 Bf6 20. Bxf6 gxf6 21. b3 axb3 22. axb3 Ke7 23. Qb2 Bd3 24. Rfe1 Rxa1 25. Rxa1 Bc4 26. Qa3+ 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.29"]
[Round "8"]
[White "Piekarski, Atila Balzer"]
[Black "Landre, Geraldo Barbosa"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2032"]
[BlackElo "1817"]
[PlyCount "91"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 h6 3. Bh4 c6 4. e3 Qb6 5. Qc1 e5 6. Nf3 exd4 7. exd4 Be7 8. c3 Bf5 9. Be2 Nf6 10. 0-0 0-0 11. Ne5 Nbd7 12. Nxd7 Bxd7 13. Bd3 Rae8 14. Re1 Ne4 15. Bxe7 Rxe7 16. f3 Rfe8 17. fxe4 dxe4 18. Bc4 c5 19. d5 Qg6 20. Qe3 b5 21. Bf1 c4 22. b3 Re5 23. bxc4 bxc4 24. Nd2 Rxd5 25. Nxc4 Bb5 26. Qxa7 Rg5 27. Ne3 Bd3 28. Qd4 Qc6 29. a4 Re6 30. Qd8+ Kh7 31. Bxd3 exd3 32. Qxd3+ Kg8 33. Re2 Rd6 34. Qc2 Qa8 35. c4 Qa5 36. Nd5 Qc5+ 37. Kh1 f5 38. a5 Ra6 39. Qc3 Rg4 40. Nb4 Ra8 41. Nd3 Qc7 42. c5 Qb7 43. c6 Qc7 44. Ne5 Rh4 45. Nf3 Rg4 46. Qb3+ 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.29"]
[Round "9"]
[White "Silva, Kaua Marques"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2170"]
[BlackElo "2032"]
[PlyCount "144"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Nc6 6. Nf3 Bxc5 7. b4 Bb6 8. Bb2 Nge7 9. Bd3 Ng6 10. 0-0 0-0 11. Re1 f6 12. exf6 gxf6 13. c4 Nf4 14. cxd5 Qxd5 15. Be4 Qxd1 16. Rxd1 e5 17. Nbd2 Be6 18. Nh4 Ne7 19. Ndf3 Rac8 20. Bxb7 Rc2 21. Bc1 Ne2+ 22. Kh1 Nxc1 23. Raxc1 Rxc1 24. Rxc1 Bxf2 25. Rd1 Rb8 26. Ba6 Rb6 27. Bd3 Rc6 28. g3 Rc3 29. Kg2 Be3 30. a4 Kg7 31. Be4 Rb3 32. b5 Bb6 33. Bc2 Rb2 34. Rd2 Nd5 35. Kh1 Ne3 36. Be4 Rb4 37. Rd6 Bh3 38. Ng1 Rxe4 39. Nxh3 Rxa4 40. Rd7+ Kg8 41. Ng1 Ra1 42. h3 Nc4 43. Nf5 Rxg1+ 44. Kh2 Rf1 45. g4 Be3 46. Rd8+ Kf7 47. Kg3 Rc1 48. Kf3 Bf4 49. Rd7+ Ke6 50. Rxa7 Rc3+ 51. Ke2 Rxh3 52. Ra6+ Kd5 53. Rxf6 Kc5 54. Ng7 Kxb5 55. Nh5 Rxh5 56. gxh5 h6 57. Kd3 Kc5 58. Rf8 Kd5 59. Kc3 Nd6 60. Kd3 Ke6 61. Ke2 Ne4 62. Kf3 Nf6 63. Ra8 Kf5 64. Ra1 Nxh5 65. Ra8 Nf6 66. Ra1 h5 67. Ra5 h4 68. Ra1 h3 69. Rh1 e4+ 70. Ke2 h2 71. Kf2 Be5 72. Ke2 Nd5 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.28"]
[Round "7"]
[White "Alboredo, Julia"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2200"]
[BlackElo "2032"]
[PlyCount "53"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Nc6 6. Nf3 Bxc5 7. b4 Bb6 8. Bd3 Nge7 9. Bb2 Ng6 10. 0-0 0-0 11. Re1 Nf4 12. Bf1 f6 13. exf6 gxf6 14. c4 dxc4 15. Bxc4 Qxd1 16. Rxd1 Rd8 17. Rxd8+ Bxd8 18. Nc3 Kf8 19. Rd1 a6 20. Ne4 b5 21. Bf1 Nd5 22. Nc5 Ra7 23. Nd2 Rg7 24. Nde4 Be7 25. g3 Rg8 26. Nb3 Bd8 27. Rc1 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "5"]
[White "Cabral, Vinicius Albuquerqu"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "B19"]
[BlackElo "2032"]
[PlyCount "98"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Nf3 Nd7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Qa5+ 12. c3 Ngf6 13. Ne5 Rd8 14. Nc4 Qd5 15. Ne3 Qb5 16. Qxb5 cxb5 17. 0-0-0 Rc8 18. Rhe1 Kd8 19. Kb1 Nb6 20. Be5 Nfd5 21. Nxd5 Nxd5 22. Ne4 Kd7 23. Rd3 f6 24. Bh2 Rc6 25. Rc1 Ke8 26. b4 Kf7 27. Kb2 Be7 28. Rf3 Rhc8 29. Bf4 Nxf4 30. Rxf4 Bxb4 31. cxb4 Rxc1 32. Nd6+ Ke7 33. Nxc8+ Rxc8 34. Rg4 Kf7 35. a3 Rc4 36. g3 e5 37. Re4 Rxd4 38. Re2 Rc4 39. Rd2 Rc7 40. Kb3 g6 41. hxg6+ Kxg6 42. a4 bxa4+ 43. Kxa4 Kf5 44. Rd3 Kg5 45. Re3 h5 46. Re4 Re7 47. Kb3 f5 48. f4+ Kf6 49. fxe5+ Rxe5 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.26"]
[Round "4"]
[White "Piekarski, Atila Balzer"]
[Black "Vieira, Jose Renato Braga S"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2032"]
[BlackElo "1805"]
[PlyCount "55"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. e5 Nd5 5. Bd2 c5 6. c4 Nb6 7. dxc5 Bxc5 8. Qg4 g6 9. Nc3 Nc6 10. Nf3 Qc7 11. Qf4 h6 12. Ne4 Be7 13. Nd6+ Bxd6 14. exd6 Qd8 15. Bc3 g5 16. Qe4 f5 17. Qe3 Rg8 18. b3 Kf7 19. h3 a5 20. Ne5+ Nxe5 21. Bxe5 a4 22. Rd1 axb3 23. axb3 Ra3 24. Be2 Na4 25. Bh5+ Kf8 26. 0-0 Qb6 27. Bd4 Qxb3 28. Qe5 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "3"]
[White "Labussiere, Victor"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2341"]
[BlackElo "2032"]
[PlyCount "71"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Qg4 h5 6. Qf4 Bxc5 7. Nf3 Nc6 8. Bd3 Nb4 9. Qg3 Nxd3+ 10. cxd3 Kf8 11. 0-0 Bd7 12. d4 Be7 13. b3 Bb5 14. Re1 Bd3 15. Ba3 Bxb1 16. Bxe7+ Nxe7 17. Raxb1 Rc8 18. Rbc1 Rxc1 19. Rxc1 Nc6 20. Qf4 h4 21. b4 Rh5 22. a3 a6 23. g4 hxg3 24. hxg3 Ke7 25. g4 Rh8 26. Qg5+ Kf8 27. Qxd8+ Nxd8 28. Rc7 Ke8 29. Kg2 Rh7 30. a4 Rh6 31. b5 axb5 32. axb5 Rg6 33. Kg3 f5 34. g5 b6 35. Kf4 Nf7 36. Rb7 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.24"]
[Round "1"]
[White "Espindola, Carlos Marcelo"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1441"]
[BlackElo "2032"]
[PlyCount "60"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 0-0 6. Nbd2 b6 7. Be2 c5 8. Ne5 Qc7 9. 0-0 cxd4 10. exd4 Ba6 11. c3 Bxe2 12. Qxe2 Nc6 13. Rfe1 a6 14. a4 Rfd8 15. Qf3 Rab8 16. b4 Rb7 17. Qe2 Ra7 18. Qf3 Rc8 19. Bf4 Ne7 20. Rac1 Nf5 21. Bg5 Be7 22. Bf4 Qd8 23. g4 Nd6 24. g5 Nfe4 25. Nxf7 Nxd2 26. Bxd2 Nxf7 27. h4 Qd7 28. Qg4 Nd8 29. Re2 Qxa4 30. Rxe6 Qd7 0-1

[Event "Pan American-ch U2300"]
[Site "Timbo"]
[Date "2021.12.05"]
[Round "9"]
[White "Volkmann, Andre Jordi"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2060"]
[BlackElo "2044"]
[PlyCount "77"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. 0-0 Be6 7. Nbd2 Bc5 8. Bxe6 fxe6 9. Nb3 Bb6 10. Ng5 Qd7 11. Qg4 0-0-0 12. Qxe6 Nf6 13. f3 Rhe8 14. Qc4 Ne5 15. Qb4 d3+ 16. Kh1 d2 17. Bxd2 Nd3 18. Qc4 Qe7 19. Nh3 Nxb2 20. Qc2 Nd3 21. a4 a6 22. a5 Ba7 23. Ra4 Nd7 24. Qxd3 Nc5 25. Qc4 Nxb3 26. Bg5 Nd2 27. Bxe7 Nxc4 28. Bxd8 Ne3 29. Rc1 Rxd8 30. Ra2 c5 31. Nf4 Kb8 32. Ne6 Rd7 33. h3 c4 34. Nf4 Rd4 35. Nd5 Nd1 36. Rac2 Ka8 37. Rxc4 Nf2+ 38. Kh2 Bb8+ 39. Kg1 1-0

[Event "Pan American-ch U2300"]
[Site "Timbo"]
[Date "2021.12.04"]
[Round "8"]
[White "Piekarski, Atila Balzer"]
[Black "Caetano, Ryan Wesley da Cost"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2044"]
[BlackElo "2226"]
[PlyCount "79"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 gxf6 4. c4 dxc4 5. e3 Rg8 6. Qh5 Rg5 7. Qxh7 Bf5 8. Qh8 c5 9. Nc3 cxd4 10. exd4 Nc6 11. 0-0-0 Qc7 12. g3 Bg6 13. Be2 0-0-0 14. h4 Ra5 15. h5 Bf5 16. h6 b5 17. Rh5 b4 18. Rxf5 bxc3 19. Rxa5 Qxa5 20. Bxc4 Qb4 21. Bb3 Nxd4 22. bxc3 Qxc3+ 23. Kb1 e6 24. Ne2 Qa5 25. Nxd4 Bc5 26. Nc6 Rxh8 27. Nxa5 Rxh6 28. Rc1 Kc7 29. Rxc5+ Kb6 30. Rc2 Kxa5 31. Rc7 Rh1+ 32. Kb2 Rh2 33. Rc2 Kb6 34. Kc3 f5 35. Kd4 f4 36. gxf4 Rh4 37. Ke5 Rh5+ 38. Kd6 a5 39. Ba4 Rh2 40. Be8 1-0

[Event "Pan American-ch U2300"]
[Site "Timbo"]
[Date "2021.12.04"]
[Round "7"]
[White "Piekarski, Atila Balzer"]
[Black "Ribeiro, Erica de Jesus"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2044"]
[BlackElo "1450"]
[PlyCount "73"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 d5 4. e5 h6 5. Be3 Nfd7 6. f4 c5 7. c3 Nc6 8. Nf3 Qb6 9. Qd2 cxd4 10. cxd4 Bb4 11. Nc3 Bxc3 12. bxc3 0-0 13. c4 Qb4 14. cxd5 Qxd2+ 15. Bxd2 exd5 16. Rc1 Re8 17. Bb5 Ndb8 18. Rc5 Be6 19. Kf2 a6 20. Ba4 b5 21. Bb3 Rd8 22. Rhc1 Ne7 23. Ba5 Re8 24. Rc7 Nd7 25. Bb4 Nc8 26. h3 Ncb6 27. g4 g6 28. Bc2 f5 29. exf6 Kf7 30. f5 gxf5 31. gxf5 Kxf6 32. fxe6 Rxe6 33. Rg1 Rae8 34. Rg6+ Kf7 35. Ne5+ Rxe5 36. dxe5 Rxe5 37. Rcc6 1-0

[Event "Pan American-ch U2300"]
[Site "Timbo"]
[Date "2021.12.03"]
[Round "6"]
[White "Medeiros, Thauane Ferreira"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "1886"]
[BlackElo "2044"]
[PlyCount "92"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. exd4 Bd6 6. Nf3 Nf6 7. 0-0 0-0 8. h3 h6 9. Nc3 Nc6 10. a3 Bf5 11. Nb5 a6 12. Nxd6 Qxd6 13. b4 Ne7 14. Bb2 Ned5 15. Re1 Be4 16. Nd2 Bf5 17. Qf3 Bg6 18. Re5 c6 19. Bb3 Nd7 20. Re2 Nf4 21. Re3 Bh5 22. Qe4 Nb6 23. Rae1 Rad8 24. Rg3 Bg6 25. Qe3 Nd3 26. Rxg6 Qxg6 27. Bc2 Rde8 28. Qxe8 Nxe1 29. Qxf8+ Kxf8 30. Bxg6 fxg6 31. Kf1 Nd3 32. Bc3 Nf4 33. h4 Kf7 34. Ne4 Nc4 35. Nc5 Nxa3 36. Nxb7 Nd5 37. Be1 Ke7 38. Nc5 Nc2 39. Nxa6 Nxd4 40. Nc5 Kf6 41. Bd2 Kf5 42. f3 Ke5 43. Nd3+ Kf5 44. Kf2 Nc2 45. Ke2 Kf6 46. Kf2 Kf5 1/2-1/2

[Event "Pan American-ch U2300"]
[Site "Timbo"]
[Date "2021.12.03"]
[Round "5"]
[White "Piekarski, Atila Balzer"]
[Black "Lage, Pedro Ferreira"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2044"]
[BlackElo "2129"]
[PlyCount "54"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 h6 3. Bh4 c6 4. Nf3 Qb6 5. Qc1 Bf5 6. e3 Nd7 7. c4 e6 8. Nc3 Ngf6 9. Be2 Be7 10. 0-0 0-0 11. Ne5 Rfd8 12. c5 Qc7 13. f4 Nxe5 14. fxe5 Ne4 15. Nxe4 Bxe4 16. Qe1 b6 17. Rc1 g5 18. Qf2 Bg6 19. Bd3 gxh4 20. Bxg6 fxg6 21. Qf7+ Kh8 22. cxb6 axb6 23. Qxg6 Bg5 24. Rxc6 Qxc6 25. Rf7 Qc1+ 26. Kf2 Qxe3+ 27. Kf1 Qc1+ 0-1

[Event "Pan American-ch U2300"]
[Site "Timbo"]
[Date "2021.12.02"]
[Round "3"]
[White "Piekarski, Atila Balzer"]
[Black "Rodrigues Mota, Romulo Cardoso S"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2044"]
[BlackElo "2027"]
[PlyCount "100"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. e3 e6 5. Bd3 Be7 6. Bxe4 dxe4 7. Nc3 f5 8. f3 exf3 9. Nxf3 0-0 10. Qd3 b6 11. Qc4 c6 12. a4 a6 13. Qb3 a5 14. 0-0-0 Na6 15. h4 Nb4 16. Bg5 Rb8 17. e4 b5 18. axb5 cxb5 19. d5 a4 20. Qa3 Nxd5 21. Nxd5 Bxa3 22. Bxd8 exd5 23. bxa3 Rxd8 24. Rxd5 Rxd5 25. exd5 Bb7 26. Rd1 Rd8 27. d6 Bxf3 28. gxf3 Kf7 29. Rd5 Ke6 30. Rxb5 Rxd6 31. Rb4 Ra6 32. Kd2 h6 33. Ke3 g5 34. hxg5 hxg5 35. Kd4 Rd6+ 36. Kc5 Rd2 37. Rc4 Rf2 38. Rc3 Ke5 39. Kb4 Kf4 40. Kxa4 Rxf3 41. Rxf3+ Kxf3 42. c4 Ke4 43. c5 Kd5 44. Kb5 f4 45. c6 f3 46. c7 f2 47. c8Q f1Q+ 48. Kb4 Qe1+ 49. Kb3 Qd1+ 50. Kb4 Qd2+ 1/2-1/2

[Event "Pan American-ch U2300"]
[Site "Timbo"]
[Date "2021.12.02"]
[Round "4"]
[White "Pinto Filho, Karline de Valesio"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "2051"]
[BlackElo "2044"]
[PlyCount "72"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. cxd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. Bg2 a6 7. Bg5 e6 8. Nf3 Be7 9. 0-0 0-0 10. Rc1 Re8 11. e3 h6 12. Bxf6 Bxf6 13. Ne1 Na5 14. b3 Bd7 15. Nd3 Bc6 16. f4 Bb5 17. Nxb5 axb5 18. Rf2 Nc6 19. Bf1 Nxd4 20. Kh1 Nf5 21. Qf3 Qb6 22. Nc5 Be7 23. b4 Ra3 24. Bd3 Nd6 25. g4 Nc4 26. f5 Bxc5 27. bxc5 Qc6 28. fxe6 Qxe6 29. Bf5 Qc6 30. Bb1 Qe6 31. Rcf1 Re7 32. Qf4 Nxe3 33. Re1 g5 34. Qb4 Ra7 35. Bf5 Qe5 36. Qd2 d4 0-1

[Event "Pan American-ch U2300"]
[Site "Timbo"]
[Date "2021.12.01"]
[Round "2"]
[White "Dull, Amanda Paul"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "1794"]
[BlackElo "2044"]
[PlyCount "173"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Bg7 7. Bc4 0-0 8. h3 Nbd7 9. Nf3 Nb6 10. Bb3 Nfxd5 11. 0-0 Bf5 12. Re1 Nxc3 13. bxc3 Rc8 14. Bg5 Rc7 15. Rc1 Re8 16. Ne5 Rf8 17. Qd2 a5 18. a4 Nd5 19. Bh6 Qd6 20. Bxg7 Kxg7 21. c4 Qb4 22. Qb2 Nf4 23. Qc3 f6 24. Qe3 g5 25. Bc2 Bxc2 26. Rxc2 Qxa4 27. Rc3 Rfc8 28. Ng4 Qc6 29. Qg3 Qd6 30. Ne3 Qe6 31. h4 h6 32. d5 Qe4 33. hxg5 hxg5 34. Qg4 Kg6 35. g3 Rh8 36. f3 Qd4 37. Qf5+ Kf7 38. Rc2 Nd3 39. Qe6+ Kf8 40. Rd1 Qe5 41. Rxd3 Qxg3+ 42. Ng2 Rh2 43. d6 exd6 44. Qxf6+ Rf7 45. Qxd6+ Qxd6 46. Rxd6 Rh3 47. Ne1 Re7 48. Kg2 Rhh7 49. Nd3 Re3 50. Nc5 Rf7 51. Ne6+ Ke7 52. Nxg5 Rf5 53. Rd5 Ree5 54. Rxe5+ Rxe5 55. Ne4 b5 56. c5 Kd7 57. Ra2 a4 58. Kg3 Kc6 59. Kf4 Re8 60. Ke3 Ra8 61. Kd4 b4 62. Kc4 b3 63. Ra3 b2 64. Nc3 Ra5 65. Kb4 b1Q+ 66. Nxb1 Rb5+ 67. Kc4 Rxb1 68. Rxa4 Rc1+ 69. Kd4 Rd1+ 70. Ke5 Rd8 71. Ra6+ Kxc5 72. f4 Rd1 73. f5 Re1+ 74. Kf6 Kd5 75. Kf7 Rf1 76. f6 Rf2 77. Re6 Rf1 78. Re7 Kd6 79. Kg7 Rf2 80. Kf7 Rf1 81. Re4 Rf2 82. Kg6 Rg2+ 83. Kf5 Rf2+ 84. Kg6 Rg2+ 85. Kf7 Rf2 86. Rd4+ Ke5 87. Rd3 1/2-1/2

[Event "Pan American-ch U2300"]
[Site "Timbo"]
[Date "2021.12.01"]
[Round "1"]
[White "Piekarski, Atila Balzer"]
[Black "Gauche, Charles"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2044"]
[BlackElo "2255"]
[PlyCount "56"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. e3 e6 5. Bd3 Be7 6. Bxe4 dxe4 7. Nc3 f5 8. f3 exf3 9. Nxf3 0-0 10. Qd3 b6 11. Qc4 c6 12. a4 Qe8 13. 0-0-0 a6 14. Qa2 Bb4 15. Ne2 a5 16. Bc7 b5 17. axb5 cxb5 18. d5 Na6 19. Bf4 Bc5 20. c3 exd5 21. Ng5 Bb7 22. Rxd5 Bxd5 23. Qxd5+ Kh8 24. Rd1 Bxe3+ 25. Kb1 h6 26. Ne6 Rf6 27. Nd8 Bxf4 28. Qxa8 Qxe2 0-1

[Event "Curitiba-ch 3rd (IRT)"]
[Site "Curitiba"]
[Date "2011.04.03"]
[Round "4"]
[White "Sluminski, Bruno"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "2049"]
[PlyCount "60"]
[EventDate "2011.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 c6 2. e3 d5 3. f4 Nf6 4. Bd3 Bg4 5. Nf3 e6 6. Nbd2 Be7 7. 0-0 0-0 8. Qe1 Bxf3 9. Nxf3 Nbd7 10. Ne5 Ne4 11. Bxe4 dxe4 12. Nxd7 Qxd7 13. Bd2 b6 14. c3 a5 15. a3 Qd5 16. Qe2 b5 17. a4 Qb3 18. axb5 cxb5 19. Be1 f5 20. Kh1 g6 21. h4 h5 22. g3 Rfc8 23. Rf2 Kf7 24. Qc2 a4 25. Qxb3 axb3 26. Rxa8 Rxa8 27. Kg1 Ra2 28. Kf1 Ba3 29. Re2 Bxb2 30. Rf2 Bc1 0-1

[Event "Curitiba-ch 3rd (IRT)"]
[Site "Curitiba"]
[Date "2011.04.02"]
[Round "2"]
[White "Kretszchmar, Andressa"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "D13"]
[BlackElo "2049"]
[PlyCount "80"]
[EventDate "2011.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bg5 Ne4 7. Bf4 Bf5 8. e3 Qa5 9. Qb3 Nxc3 10. bxc3 Rc8 11. Be2 Bd7 12. 0-0 b6 13. c4 e6 14. cxd5 exd5 15. Rab1 Be7 16. Rfc1 0-0 17. Ne5 Nxe5 18. Bxe5 Bf5 19. Ra1 Ba3 20. Rf1 a6 21. Bd1 Rc3 22. Qa4 Bb2 23. Qxa5 bxa5 24. Bb3 Bxa1 25. Rxa1 Rfc8 26. h3 Be6 27. Bd6 Rc1+ 28. Rxc1 Rxc1+ 29. Kh2 Ra1 30. a3 f5 31. g3 Kf7 32. Kg2 Kf6 33. Bc2 Bd7 34. Bb3 Ke6 35. Bc5 Bb5 36. g4 g6 37. Kg3 a4 38. gxf5+ gxf5 39. Bxd5+ Kxd5 40. Kf4 Bd3 0-1

[Event "Curitiba-ch 3rd (IRT)"]
[Site "Curitiba"]
[Date "2011.04.02"]
[Round "3"]
[White "Piekarski, Atila Balzer"]
[Black "Egoroff, Jomar"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2049"]
[BlackElo "2273"]
[PlyCount "122"]
[EventDate "2011.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. d4 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Rd1 Nc6 11. Bf4 Rc8 12. Nc3 Nb4 13. Qb3 Nbd5 14. Rac1 Nxf4 15. gxf4 Nd5 16. Nxd5 Bxd5 17. Qe3 Bd6 18. Ne5 Bxg2 19. Kxg2 Qh4 20. Rg1 Qh5 21. Kh1 f6 22. Qg3 g6 23. Nf3 Qd5 24. b3 c5 25. dxc5 Rxc5 26. Rcd1 Qc6 27. Qg4 Bb8 28. Rg2 Rc1 29. Rdg1 Kg7 30. h4 Rxg1+ 31. Nxg1 Qe4 32. Nh3 Rd8 33. e3 Rd2 34. a4 b4 35. h5 Qb1+ 36. Rg1 Qxb3 37. hxg6 h6 38. Qf3 Qd5 39. e4 Qd3 40. Qg2 Rd1 41. f5 Rxg1+ 42. Nxg1 Qd6 43. Qh3 b3 44. fxe6 b2 45. e7 Qxe7 46. Qb3 Be5 47. Nf3 Kxg6 48. Nh4+ Kh7 49. Nf5 Qc7 50. Kg2 Kh8 51. Qb4 Qb8 52. Qd2 Qg8+ 53. Kf3 Qf8 54. Qc2 Kh7 55. Qb3 Kg6 56. Qb7 a5 57. Kg4 h5+ 58. Kf3 Kg5 59. Qb5 h4 60. Qb7 Qg8 61. Qb3 Qxb3+ 0-1

[Event "Curitiba-ch 3rd (IRT)"]
[Site "Curitiba"]
[Date "2011.04.01"]
[Round "1"]
[White "Piekarski, Atila Balzer"]
[Black "Domingos, Felipe de Carvalho"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2049"]
[PlyCount "91"]
[EventDate "2011.04.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 Nc6 7. d3 e5 8. Rb1 a5 9. Bg5 h6 10. Bxf6 Bxf6 11. a3 Bg7 12. b4 axb4 13. axb4 f5 14. b5 Ne7 15. Qb3 Be6 16. Ne1 c6 17. Nc2 f4 18. Nb4 cxb5 19. Nxb5 Ra5 20. Nc3 b5 21. Ncd5 bxc4 22. Qxc4 Rc5 23. Nxe7+ Qxe7 24. Qa6 Qc7 25. Rfe1 fxg3 26. hxg3 Ra5 27. Rec1 Qxc1+ 28. Rxc1 Rxa6 29. Nxa6 Rf7 30. Nc7 Bb3 31. Bd5 Bxd5 32. Nxd5 Bf8 33. Kg2 Ra7 34. Rc8 Kf7 35. Kf3 Ke6 36. e4 Rf7+ 37. Ke3 h5 38. Rc7 Be7 39. f3 g5 40. Kf2 g4 41. f4 exf4 42. Nxf4+ Ke5 43. Ke3 Rxf4 44. Rxe7+ Kf6 45. Kxf4 Kxe7 46. Kg5 1-0

[Event "Paulista-chT"]
[Site "Sao Paolo"]
[Date "2011.02.27"]
[Round "3.4"]
[White "Hernandez, Luis Antonio Jr"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "D13"]
[BlackElo "2049"]
[PlyCount "51"]
[EventDate "2011.02.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]
[WhiteTeam "ATC"]
[BlackTeam "CXS II"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 c6 2. c4 d5 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. e3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. Bd3 Rc8 10. 0-0 Bd6 11. Bd2 0-0 12. Rac1 Re8 13. Bb1 Bb8 14. Qd1 e5 15. dxe5 Nxe5 16. Bf5 Qd6 17. f4 Ned7 18. Qb3 g6 19. Bxd7 Qxd7 20. Ne2 Ne4 21. Rxc8 Rxc8 22. Rd1 a6 23. Bc3 Ba7 24. Bd4 Bxd4 25. Rxd4 Rc4 26. Qd1 1/2-1/2

[Event "Paulista-chT"]
[Site "Sao Paolo"]
[Date "2011.02.27"]
[Round "4.4"]
[White "Piekarski, Atila Balzer"]
[Black "Correa, Aron Antunes"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2049"]
[BlackElo "2380"]
[PlyCount "46"]
[EventDate "2011.02.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]
[WhiteTeam "CXS II"]
[BlackTeam "Pinheiros"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. Nf3 b5 2. e4 Bb7 3. Bxb5 Bxe4 4. 0-0 e6 5. Re1 Bg6 6. d4 Nf6 7. d5 c6 8. dxe6 fxe6 9. Bd3 Bh5 10. c4 Be7 11. Nbd2 0-0 12. Qc2 Na6 13. Ng5 Nb4 14. Bxh7+ Kh8 15. Qb1 Ng4 16. Nde4 Nxf2 17. h4 Ng4 18. g3 Qb6+ 19. c5 Bxc5+ 20. Kh1 Nf2+ 21. Kh2 Nbd3 22. Nxf2 Rxf2+ 23. Kh3 Nxe1 0-1

[Event "Paulista-chT"]
[Site "Sao Paolo"]
[Date "2011.02.26"]
[Round "1"]
[White "Bispo, Leonardo"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2202"]
[BlackElo "2049"]
[PlyCount "111"]
[EventDate "2011.02.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]
[WhiteTeam "CXS"]
[BlackTeam "CXS II"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 c6 2. c4 d5 3. Nf3 Nf6 4. Nc3 a6 5. e3 b5 6. b3 Bg4 7. Be2 e6 8. h3 Bh5 9. Ne5 Bxe2 10. Qxe2 Bb4 11. Bd2 bxc4 12. bxc4 c5 13. 0-0 0-0 14. cxd5 cxd4 15. exd4 Bxc3 16. Bxc3 Nxd5 17. Bd2 Nd7 18. Qg4 N5f6 19. Qf3 Nxe5 20. dxe5 Nd5 21. Qg3 Kh8 22. a4 Rb8 23. a5 Rb5 24. Ra4 Qc7 25. Rg4 Ne7 26. Bb4 Rg8 27. Bd6 Qa7 28. Rc1 Nf5 29. Qf3 Rxa5 30. Rc7 Qb6 31. Rb7 Ra1+ 32. Kh2 Qa5 33. Rxf7 Qe1 34. Rxf5 exf5 35. Qxf5 Qh1+ 36. Kg3 Qb1 37. Qf7 Qa2 38. e6 Qd5 39. Qc7 Rc1 40. Qxc1 Qxd6+ 41. f4 Qxe6 42. Qa1 Qh6 43. Rg5 Rf8 44. Qa4 Qd6 45. Ra5 Ra8 46. Qe4 Rf8 47. Qc4 Ra8 48. Rd5 Qb6 49. Qd3 h6 50. Rd6 Qa7 51. Rc6 a5 52. Qc3 Re8 53. Rxh6+ Kg8 54. Qc4+ Kf8 55. Rh8+ Ke7 56. Qe4+ 1-0

[Event "Paulista-chT"]
[Site "Sao Paolo"]
[Date "2011.02.26"]
[Round "2"]
[White "Piekarski, Atila Balzer"]
[Black "Da Silva, Marcos Antonio Jr"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "2049"]
[PlyCount "68"]
[EventDate "2011.02.26"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]
[WhiteTeam "CXS II"]
[BlackTeam "Sorocaba/Unimed"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 e5 7. d3 Nbd7 8. Rb1 a5 9. a3 c6 10. b4 axb4 11. axb4 Ne8 12. Bg5 f6 13. Bd2 f5 14. b5 Nc5 15. Ne1 Bd7 16. bxc6 bxc6 17. Nc2 h6 18. Nb4 Rc8 19. Qc2 g5 20. Be3 Ne6 21. Na6 Nd4 22. Qd2 Nc7 23. Nxc7 Rxc7 24. Rb6 Qe8 25. Rfb1 Qf7 26. Rb7 Rxb7 27. Rxb7 f4 28. Bxd4 exd4 29. Ne4 fxg3 30. fxg3 d5 31. cxd5 cxd5 32. Nxg5 hxg5 33. Qxg5 Qf2+ 34. Kh1 Qe1+ 0-1

[Event "Curitiba op"]
[Site "Curitiba"]
[Date "2010.11.21"]
[Round "5"]
[White "Kleine, Bruna Fernanda"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "D15"]
[BlackElo "2053"]
[PlyCount "60"]
[EventDate "2010.11.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nc3 Nf6 4. Nf3 a6 5. a4 g6 6. Bg5 Ne4 7. Bf4 Qa5 8. Qc2 Bf5 9. Qb3 e5 10. Bxe5 Bb4 11. Rc1 0-0 12. e3 Nd7 13. Be2 Nxe5 14. Nxe5 b5 15. Nxc6 Bxc3+ 16. bxc3 bxc4 17. Nxa5 cxb3 18. Nxb3 Rfb8 19. Na5 Rb2 20. g4 Bd7 21. c4 dxc4 22. Nxc4 Rc8 23. Bf3 Nxf2 24. 0-0 Nh3+ 25. Kh1 Ra2 26. Ne5 Rxc1 27. Rxc1 Nf2+ 28. Kg1 Nh3+ 29. Kh1 Nf2+ 30. Kg1 Nh3+ 1/2-1/2

[Event "Curitiba op"]
[Site "Curitiba"]
[Date "2010.11.20"]
[Round "3"]
[White "Amaral, Rogerio Einloft"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "B13"]
[BlackElo "2053"]
[PlyCount "94"]
[EventDate "2010.11.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Be2 e6 9. h3 Bh5 10. 0-0 Bb4 11. Qd3 a6 12. Be3 0-0 13. a3 Bg6 14. Qd2 Nxc3 15. bxc3 Ba5 16. Qb2 b5 17. Rfc1 Rb8 18. Bf4 Bc7 19. Bxc7 Qxc7 20. Nh4 Be4 21. Bf3 Bxf3 22. Nxf3 Na5 23. Nd2 Rfc8 24. Ne4 Qc6 25. Nc5 Nb7 26. Nd3 Qc4 27. Ne5 Qd5 28. Rab1 Na5 29. Qb4 Nc4 30. Nxc4 Rxc4 31. Qa5 Qd6 32. Rb4 Rbc8 33. g3 g6 34. Rd1 Kg7 35. a4 bxa4 36. Rxa4 Rxa4 37. Qxa4 Rxc3 38. Qa1 Ra3 39. Qb2 Ra5 40. Qc3 Rd5 41. Ra1 Qb6 42. Qa3 a5 43. Rd1 e5 44. Qe7 exd4 45. Rc1 d3 46. Rc8 Qd6 47. Qe8 d2 0-1

[Event "Curitiba op"]
[Site "Curitiba"]
[Date "2010.11.20"]
[Round "4"]
[White "Piekarski, Atila Balzer"]
[Black "Terzian, Francisco Antonio"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2053"]
[PlyCount "75"]
[EventDate "2010.11.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Nf6 3. Nd2 Nbd7 4. e3 h6 5. Bh4 e6 6. Bd3 Be7 7. f4 c5 8. c3 Qb6 9. Rb1 cxd4 10. exd4 Qc7 11. g3 Nb6 12. Qe2 g5 13. fxg5 hxg5 14. Bxg5 Nh5 15. Qe3 Nxg3 16. Bf4 Bd6 17. Qxg3 Bxf4 18. Qg7 Rf8 19. Ngf3 Bd7 20. Qf6 Bd6 21. h4 Bc6 22. Ke2 Nd7 23. Qg7 0-0-0 24. Ng5 e5 25. Bf5 Rde8 26. Kd1 Kb8 27. Nh7 Rh8 28. h5 e4 29. Bxd7 Bxd7 30. Nf6 e3 31. Nxd7+ Qxd7 32. Kc2 exd2 33. Kxd2 Bf4+ 34. Kc2 Qf5+ 35. Kb3 Reg8 36. h6 Bxh6 37. Qe5+ Qxe5 38. dxe5 0-1

[Event "Curitiba op"]
[Site "Curitiba"]
[Date "2010.11.19"]
[Round "2"]
[White "Piekarski, Atila Balzer"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2053"]
[BlackElo "2317"]
[PlyCount "68"]
[EventDate "2010.11.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. h4 d5 4. Nd2 Nxd2 5. Qxd2 h6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. cxd3 Bd6 10. Ne2 Nc6 11. 0-0-0 Bxf4 12. Nxf4 Qf6 13. g4 0-0-0 14. Rdg1 g6 15. g5 hxg5 16. hxg5 Rxh1 17. gxf6 Rxg1+ 18. Kc2 Rh8 19. Qc3 g5 20. Nxe6 fxe6 21. e4 Rg2 22. Qd2 Nxd4+ 23. Kc3 Nc6 24. Qe2 d4+ 25. Kb3 Ne5 26. Qd2 Kd7 27. Qb4 Nc6 28. Qa3 Rxf2 29. Qc5 Rhh2 30. Qf8 Rxb2+ 31. Ka3 Rxa2+ 32. Kb3 Rhb2+ 33. Kc4 Ra4+ 34. Kc5 b6# 0-1

[Event "Curitiba op"]
[Site "Curitiba"]
[Date "2010.11.19"]
[Round "1"]
[White "Scardini, Leonardo"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "2053"]
[PlyCount "80"]
[EventDate "2010.11.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 139 Extra"]
[Source "ChessBase"]
[SourceDate "2011.01.05"]
[SourceVersion "1"]
[SourceVersionDate "2011.01.05"]
[SourceQuality "1"]

1. Nf3 c6 2. g3 d5 3. Bg2 Nf6 4. d3 Bg4 5. 0-0 e6 6. Nbd2 Be7 7. e4 0-0 8. c3 Nbd7 9. Re1 Nc5 10. Qc2 Bh5 11. Ne5 dxe4 12. dxe4 Qc7 13. f4 Nfd7 14. Ndf3 b5 15. h3 Bxf3 16. Nxf3 Rad8 17. Be3 Nb6 18. b3 Rd7 19. e5 Rfd8 20. Rad1 Nd3 21. Rxd3 Rxd3 22. Nd4 Rxe3 23. Rxe3 Nd5 24. Rd3 Qb6 25. Kh2 c5 26. Nf3 c4 27. bxc4 bxc4 28. Rd1 Rb8 29. Qd2 Bc5 30. Nd4 Rd8 31. Be4 g6 32. Rb1 Qc7 33. Nb5 Qa5 34. g4 Be3 35. Qe1 Qxa2+ 36. Bg2 Bxf4+ 37. Kh1 Ne3 38. Qg1 Rd2 39. Rf1 Rxg2 40. Rxf4 Rxg1+ 0-1

[Event "Parana-ch"]
[Site "Paranavai"]
[Date "2009.02.01"]
[Round "9"]
[White "Gatelli, Jacson Henrique"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "B18"]
[BlackElo "2053"]
[PlyCount "49"]
[EventDate "2009.01.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Be3 Ngf6 8. Bd3 e6 9. Bxg6 hxg6 10. h3 Qa5+ 11. c3 Bd6 12. 0-0 Qd5 13. Qd3 Ne5 14. Nxe5 Bxe5 15. Rad1 Bxg3 16. c4 Bxf2+ 17. Rxf2 Qe4 18. Qb3 e5 19. Qc3 0-0-0 20. d5 b6 21. Re1 Qh4 22. Qa3 Ne4 23. Qa6+ Kd7 24. Qb7+ Ke8 25. Qxf7# 1-0

[Event "Parana-ch"]
[Site "Paranavai"]
[Date "2009.01.31"]
[Round "8"]
[White "Cathcart, Jessica"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "A05"]
[BlackElo "2053"]
[PlyCount "69"]
[EventDate "2009.01.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. Nf3 d6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nf6 7. Re1 Bg4 8. Nbd2 0-0 9. a4 a6 10. h3 Bxf3 11. Nxf3 Nd7 12. c3 Rb8 13. d4 b5 14. dxc5 Nxc5 15. axb5 axb5 16. Qd5 Qc7 17. Bf4 Rfd8 18. Qxc5 e5 19. Bxe5 dxe5 20. Ra6 Rd6 21. Nxe5 Bxe5 22. f4 Re6 23. fxe5 Qb7 24. Rea1 Kg7 25. h4 Nd8 26. Rxe6 Nxe6 27. Qa7 Qc8 28. Bh3 Rb7 29. Qa6 Qc5+ 30. Kh2 Qf2+ 31. Bg2 Qxb2 32. Ra2 Qxc3 33. Ra3 Qc2 34. Ra2 Qc3 35. Ra3 1/2-1/2

[Event "Parana-ch"]
[Site "Paranavai"]
[Date "2009.01.30"]
[Round "6"]
[White "Piekarski, Atila Balzer"]
[Black "Borges, Victor Hugo Moreira"]
[Result "0-1"]
[ECO "A39"]
[WhiteElo "2053"]
[BlackElo "2134"]
[PlyCount "50"]
[EventDate "2009.01.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 c5 4. Nf3 Bg7 5. g3 0-0 6. Bg2 cxd4 7. Nxd4 Nc6 8. 0-0 Nxd4 9. Qxd4 d6 10. Qd3 a6 11. b3 Rb8 12. Bb2 Qa5 13. a3 Qh5 14. Bf3 Ng4 15. h3 Qxh3 16. Bxg4 Bxg4 17. Ra2 Be6 18. a4 Rfe8 19. e4 h5 20. f4 h4 21. Rf3 hxg3 22. Rxg3 Bd4+ 23. Qxd4 Qxg3+ 24. Kh1 f6 25. Nd5 Kf7 0-1

[Event "Parana-ch"]
[Site "Paranavai"]
[Date "2009.01.30"]
[Round "7"]
[White "Piekarski, Atila Balzer"]
[Black "Santos, Rogerio de Souza"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2053"]
[PlyCount "44"]
[EventDate "2009.01.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d6 2. Bg5 g6 3. c3 Bg7 4. Nd2 Nd7 5. e4 h6 6. Bh4 g5 7. Bg3 e5 8. Nc4 Ne7 9. Ne3 Nb6 10. Be2 Be6 11. Bh5 Ng6 12. Bg4 Bxg4 13. Qxg4 h5 14. Qe2 h4 15. Nf5 Qf6 16. dxe5 dxe5 17. 0-0-0 hxg3 18. fxg3 Ne7 19. Ne3 Qe6 20. Nf3 Qxa2 21. Nxg5 Na4 22. Kd2 0-0-0+ 0-1

[Event "Parana-ch"]
[Site "Paranavai"]
[Date "2009.01.29"]
[Round "5"]
[White "Cella, Glaucio Dalla Cortt"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "B13"]
[BlackElo "2053"]
[PlyCount "84"]
[EventDate "2009.01.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. Bf4 Bg4 6. c3 Qb6 7. Qb3 Qxb3 8. axb3 Bxf3 9. gxf3 Rc8 10. b4 a6 11. b5 axb5 12. Bxb5 Kd8 13. Nd2 e6 14. Nb3 Nf6 15. h3 Be7 16. Na5 Nxa5 17. Rxa5 Nh5 18. Bh2 g5 19. Ra7 Nf4 20. Rxb7 Rc7 21. Rb8+ Rc8 22. Rb7 Rc7 23. Rb8+ Rc8 24. Bxf4 gxf4 25. Rb7 Rc7 26. Rb8+ Rc8 27. Rxc8+ Kxc8 28. Rg1 h5 29. Rg7 Rf8 30. Rh7 h4 31. Rg7 Kc7 32. b4 Kb6 33. Rg4 Rh8 34. Bd3 Rf8 35. Kd2 Ra8 36. Rg1 Kc6 37. Kc1 Ra3 38. b5+ Kb6 39. Kb2 Bb4 40. Rc1 Be7 41. Rg1 Bb4 42. Rc1 Be7 1/2-1/2

[Event "Parana-ch"]
[Site "Paranavai"]
[Date "2009.01.29"]
[Round "4"]
[White "Piekarski, Atila Balzer"]
[Black "Cruz, William Ferreira Da"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2053"]
[BlackElo "2140"]
[PlyCount "58"]
[EventDate "2009.01.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 0-0 6. Rb1 a5 7. 0-0 Nc6 8. a3 Bg4 9. b4 axb4 10. axb4 Qc8 11. Re1 Bxf3 12. exf3 Re8 13. f4 e5 14. d3 Nd4 15. Ne2 Ne6 16. d4 Nxd4 17. Nxd4 exd4 18. Rxe8+ Nxe8 19. c5 Qf5 20. Qb3 dxc5 21. bxc5 Qxc5 22. Qxb7 Rd8 23. Bf3 d3 24. Be3 Bd4 25. Rc1 Qa3 26. Rxc7 Nxc7 27. Bxd4 Qc1+ 28. Kg2 Rxd4 29. Bc6 d2 0-1

[Event "Parana-ch"]
[Site "Paranavai"]
[Date "2009.01.28"]
[Round "3"]
[White "Egoroff, Jomar"]
[Black "Piekarski, Atila Balzer"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2251"]
[BlackElo "2053"]
[PlyCount "97"]
[EventDate "2009.01.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 e6 10. Bf4 Qa5+ 11. c3 Ngf6 12. 0-0 Be7 13. b4 Qa3 14. b5 c5 15. Ne4 0-0 16. Bd6 Rfe8 17. dxc5 Nxe4 18. Qxe4 Nxc5 19. Bxe7 Rxe7 20. Qe3 Rd7 21. Ne5 Rd5 22. Rfd1 Rad8 23. Rd4 Rxd4 24. cxd4 Qb2 25. Rc1 Ne4 26. Rc7 Rxd4 27. Rc8+ Kh7 28. Nxf7 Rd1+ 29. Kh2 Qb1 30. Rh8+ Kg6 31. Ne5+ Kf5 32. Rf8+ Kxe5 33. Qf4+ Kd5 34. Rd8+ Kc5 35. Rxd1 Qxd1 36. Qxe4 Qd5 37. Qe3+ Kxb5 38. Qxa7 g5 39. hxg5 hxg5 40. Qa3 Kc4 41. Qb3+ Kc5 42. Qc3+ Kb5 43. a3 b6 44. g3 Qf5 45. Qb4+ Kc6 46. Qc4+ Kd6 47. Qd4+ Kc6 48. Kg1 g4 49. Qc4+ 1/2-1/2

[Event "Parana-ch"]
[Site "Paranavai"]
[Date "2009.01.28"]
[Round "2"]
[White "Silva, Daniel"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1887"]
[BlackElo "2053"]
[PlyCount "110"]
[EventDate "2009.01.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 b6 5. Bg5 h6 6. Bxf6 Bxc3+ 7. bxc3 Qxf6 8. e3 c5 9. Rc1 Nc6 10. Be2 0-0 11. 0-0 Qe7 12. Nd2 Ba6 13. f4 f5 14. Qa4 Na5 15. Nb3 Nxb3 16. axb3 Bb7 17. b4 d6 18. Qd1 e5 19. Bf3 exf4 20. Bxb7 Qxb7 21. exf4 Rfe8 22. Re1 Re4 23. Rxe4 Qxe4 24. Qd2 Re8 25. Kf2 a5 26. Re1 Qxe1+ 27. Qxe1 Rxe1 28. Kxe1 g5 29. fxg5 hxg5 30. bxa5 bxa5 31. Kd2 Kg7 32. Kc2 f4 33. h3 Kf6 34. Kb3 g4 35. hxg4 Kg5 36. Ka4 Kxg4 37. Kxa5 Kg3 38. Kb5 Kxg2 39. dxc5 dxc5 40. Kxc5 f3 41. Kb6 f2 42. c5 f1Q 43. c6 Qd3 44. c4 Qb3+ 45. Kc7 Qxc4 46. Kd6 Qb5 47. c7 Qe8 48. Kc5 Qc8 49. Kb6 Kf3 50. Kc6 Kf4 51. Kd6 Kf5 52. Kc6 Ke6 53. Kb6 Kd6 54. Ka7 Qxc7+ 55. Ka8 Qh7 0-1

[Event "Parana-ch"]
[Site "Paranavai"]
[Date "2009.01.27"]
[Round "1"]
[White "Piekarski, Atila Balzer"]
[Black "Sakada, Marcos Vinicius"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2056"]
[PlyCount "53"]
[EventDate "2009.01.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nbd7 6. Be3 0-0 7. Qd2 c6 8. 0-0-0 a6 9. Bh6 e6 10. h4 Nh5 11. g4 Ng3 12. Rh3 Nxf1 13. Rxf1 Nb6 14. b3 f5 15. Bxg7 Kxg7 16. g5 c5 17. Rh1 Qd7 18. Nge2 Rd8 19. h5 Rh8 20. Rd1 Rf8 21. Qe3 Qe7 22. Nf4 e5 23. dxe5 dxe5 24. Nfd5 Nxd5 25. Nxd5 Qf7 26. Nf6 Rh8 27. h6+ 1-0

[Event "Curitiba CXC 70 anos"]
[Site "Curitiba"]
[Date "2008.11.??"]
[Round "2"]
[White "Carneiro, Wesley"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "A34"]
[BlackElo "2056"]
[PlyCount "56"]
[EventDate "2008.11.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c4 e6 3. Nc3 b6 4. g3 Bb7 5. Bg2 a6 6. Nge2 Qc7 7. b3 Nf6 8. Bb2 Be7 9. Qc2 d6 10. Rd1 0-0 11. 0-0 Nc6 12. d4 cxd4 13. Nxd4 Rfd8 14. Rfe1 Nxd4 15. Rxd4 Ng4 16. Qe2 Ne5 17. Rd2 Bf6 18. f4 Nc6 19. Red1 Rac8 20. Qg4 Kh8 21. a3 Na5 22. e5 dxe5 23. Bxb7 Nxb7 24. Ne4 Nc5 25. Nd6 Nxb3 26. fxe5 Nxd2 27. Rxd2 g6 28. exf6 Rxd6 0-1

[Event "Curitiba CXC 70 anos"]
[Site "Curitiba"]
[Date "2008.11.??"]
[Round "4"]
[White "Floriano, Cleber Uchoa"]
[Black "Piekarski, Atila Balzer"]
[Result "1-0"]
[ECO "A29"]
[BlackElo "2056"]
[PlyCount "57"]
[EventDate "2008.11.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 0-0 6. 0-0 Re8 7. d3 d6 8. Bg5 Bxc3 9. bxc3 h6 10. Bxf6 Qxf6 11. Nd2 g6 12. Rb1 Nd8 13. e4 c6 14. Rc1 Ne6 15. Nb3 Ng5 16. Qd2 Nh3+ 17. Kh1 g5 18. d4 Kg7 19. c5 g4 20. f3 Qg6 21. cxd6 gxf3 22. Bxf3 Qxd6 23. Rce1 Ng5 24. Bg2 Qg6 25. Qe3 b6 26. Rf2 Nh3 27. Rff1 Ng5 28. Rf2 Nh3 29. Rd2 1-0

[Event "Curitiba CXC 70 anos"]
[Site "Curitiba"]
[Date "2008.11.??"]
[Round "5"]
[White "Jitomirski Schapera, David"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "2056"]
[PlyCount "56"]
[EventDate "2008.11.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Qc7 6. 0-0 Nf6 7. Nc3 b5 8. a3 Bb7 9. Bd3 Bd6 10. g3 h5 11. Bg5 Be5 12. Nde2 Nc6 13. Bf4 h4 14. Qd2 Ng4 15. h3 g5 16. Bxe5 Ngxe5 17. f4 Nxd3 18. cxd3 hxg3 19. Kg2 0-0-0 20. fxg5 Rdg8 21. Rac1 Kb8 22. Rxf7 Ne5 23. Nxb5 Qb6 24. Qf4 Qf2+ 25. Qxf2 gxf2 26. Nd6 Rxg5+ 27. Kf1 Rxh3 28. Rf8+ Ka7 0-1

[Event "Curitiba CXC 70 anos"]
[Site "Curitiba"]
[Date "2008.11.??"]
[Round "6"]
[White "Piekarski, Atila Balzer"]
[Black "Cabral, Carlos Mauricio"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2056"]
[PlyCount "63"]
[EventDate "2008.11.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. g3 d6 8. Bg2 Bg7 9. Nh3 0-0 10. 0-0 Nbd7 11. Qc2 Nb6 12. Rb1 Ra7 13. Rd1 Qa8 14. b4 cxb4 15. Rxb4 Nbd7 16. Be3 Rc7 17. Bd4 Rfc8 18. Qb2 Nh5 19. Bxg7 Nxg7 20. Rb3 Ne8 21. Nf4 Nef6 22. Ne6 Ra7 23. a4 Rb7 24. Nd4 Rxb3 25. Qxb3 Bc4 26. Qb1 Rc5 27. Nc6 Kf8 28. Qb2 Qa6 29. Ne4 Rxd5 30. Rxd5 Bxd5 31. Nxf6 Bxg2 32. Nxd7+ 1-0

[Event "Curitiba CXC 70 anos"]
[Site "Curitiba"]
[Date "2008.11.??"]
[Round "3"]
[White "Piekarski, Atila Balzer"]
[Black "Kaniak, Ulisses"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2056"]
[BlackElo "2172"]
[PlyCount "40"]
[EventDate "2008.11.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 g6 2. Bg5 Bg7 3. e3 c5 4. c3 cxd4 5. exd4 Qb6 6. Qb3 Qa5 7. Be3 Nc6 8. Nf3 Nf6 9. Nbd2 d5 10. h3 0-0 11. Bf4 Ne4 12. Rd1 Re8 13. Bd3 e5 14. dxe5 Nxe5 15. Nxe5 Nc5 16. Qxd5 Nxd3+ 17. Qxd3 Bxe5 18. Bxe5 Qxe5+ 19. Kf1 Bf5 20. Qc4 Rad8 0-1

[Event "Curitiba CXC 70 anos"]
[Site "Curitiba"]
[Date "2008.11.??"]
[Round "1"]
[White "Piekarski, Atila Balzer"]
[Black "Maldaner, Leticia Carolina Ri"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "2056"]
[PlyCount "98"]
[EventDate "2008.11.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 c6 6. e3 Bf5 7. cxd5 cxd5 8. Qb3 Qd7 9. Ne5 Qc8 10. Nxd5 Nxd5 11. Qxd5 Be6 12. Qb5+ Nd7 13. Qb4 f6 14. Nxd7 Bxd7 15. Bf4 h5 16. e4 b6 17. Bc4 g5 18. Be3 Qb7 19. 0-0 Qxe4 20. Rfe1 Bf8 21. Bxg5 Qg6 22. Bh4 Rd8 23. Qb3 Rh7 24. Re3 Rg7 25. Rg3 Qe4 26. Rxg7 Bxg7 27. Bf7+ Kf8 28. Bxh5 Be6 29. Bf3 Bxb3 30. Bxe4 Rxd4 31. f3 Be6 32. Be1 Ra4 33. Bg6 Rxa2 34. Rd1 Kg8 35. Bb4 Bf8 36. Ba3 Bb3 37. Re1 e6 38. Bb1 Ra1 39. Bh7+ Kxh7 40. Rxa1 Bg7 41. Bd6 a5 42. Bc7 f5 43. Bxb6 Bxb2 44. Rxa5 Bd5 45. f4 Kg6 46. Kf2 Kh5 47. h3 Kh4 48. Ra7 Kh5 49. Rc7 Ba3 1-0

[Event "Sao Paulo op da Amizade"]
[Site "Sao Paulo"]
[Date "2008.08.31"]
[Round "9.8"]
[White "Piekarski, Atila Balzer"]
[Black "Pereira, Silvio Cunha"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "1969"]
[BlackElo "2284"]
[PlyCount "114"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 h6 3. Bh4 c5 4. e4 Qb6 5. exf5 Qxb2 6. Nd2 Nc6 7. Rb1 Qxd4 8. Ngf3 Qf4 9. Bd3 Nb4 10. Rxb4 Qxb4 11. 0-0 Nf6 12. Nc4 d6 13. Qe2 Kd8 14. Rd1 Bd7 15. a3 Qa4 16. Nce5 Be8 17. Bxf6 gxf6 18. Ng6 Bxg6 19. Bb5 Qg4 20. fxg6 Rg8 21. h3 Qxg6 22. Nh4 Qf7 23. Bc4 e6 24. Bxe6 Qe8 25. Nf5 Kc7 26. Qc4 Rg5 27. h4 Rxf5 28. Bxf5 Qe5 29. Qf7+ Qe7 30. Qc4 Re8 31. Bg4 Kb8 32. Bf3 Rc8 33. a4 f5 34. h5 a6 35. Rb1 Rc7 36. Qxa6 Qe1+ 37. Qf1 Qxf1+ 38. Kxf1 Bg7 39. c4 Ka7 40. Rb5 Bc3 41. Rb3 Bd4 42. g3 Rd7 43. Rb1 Ka6 44. a5 Kxa5 45. Rxb7 Rxb7 46. Bxb7 Kb4 47. Bd5 Be5 48. Ke2 Kc3 49. f4 Bf6 50. Kf3 Kd4 51. g4 fxg4+ 52. Kxg4 Ke3 53. Kf5 Bc3 54. Kg6 Kxf4 55. Kxh6 Kf5 56. Kh7 Kg5 57. h6 Be5 1/2-1/2

[Event "Sao Paulo op da Amizade"]
[Site "Sao Paulo"]
[Date "2008.08.30"]
[Round "8.11"]
[White "Piekarski, Atila Balzer"]
[Black "Calcado, Acyr Rogerio"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1969"]
[BlackElo "2213"]
[PlyCount "77"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qc2 b6 9. b3 Bb7 10. Nc3 Na6 11. e4 Rc8 12. Rfd1 c5 13. Bf4 cxd4 14. Nxd4 Bb4 15. Ndb5 Qd7 16. Nxa7 Ra8 17. Nab5 Rfc8 18. Qe2 Qe8 19. exd5 Bxc3 20. Nxc3 Nxd5 21. Nxd5 exd5 22. Qxe8+ Rxe8 23. Bxd5 Bxd5 24. Rxd5 Nb4 25. Rd2 Ra7 26. Be3 Ra6 27. a4 f6 28. Rad1 Re7 29. Rd6 Rb7 30. Rd8+ Kf7 31. R8d7+ Rxd7 32. Rxd7+ Ke6 33. Rb7 Kd6 34. Rxb6+ Rxb6 35. Bxb6 Nd3 36. a5 Nc1 37. b4 Kc6 38. b5+ Kb7 39. Be3 1-0

[Event "Sao Paulo op da Amizade"]
[Site "Sao Paulo"]
[Date "2008.08.29"]
[Round "7.15"]
[White "Leal, Paulo Tarcisio Garc"]
[Black "Piekarski, Atila Balzer"]
[Result "0-1"]
[ECO "E33"]
[WhiteElo "2211"]
[BlackElo "1969"]
[PlyCount "160"]
[EventDate "2008.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d6 6. e4 e5 7. d5 Bxc3+ 8. Qxc3 Ne7 9. Qd3 0-0 10. Be2 c6 11. 0-0 cxd5 12. cxd5 Ng6 13. g3 Nd7 14. Be3 a5 15. Rfc1 b6 16. Qd1 Nc5 17. Nd2 f5 18. f3 Ra7 19. b3 Bd7 20. a3 f4 21. Bxc5 bxc5 22. g4 Rb7 23. a4 Qc7 24. Qe1 Rfb8 25. Bc4 Qd8 26. Qf2 Ne7 27. h4 Ng6 28. h5 Nf8 29. Nb1 Be8 30. Na3 Rb4 31. Nc2 R4b6 32. Ne1 Rb4 33. Nd3 R4b6 34. Qe1 R6b7 35. Ra2 Ra8 36. Rh2 Nd7 37. h6 g6 38. Nb2 Nb8 39. Qc3 Na6 40. Nd3 Re7 41. Re1 g5 42. Nf2 Kf7 43. Nd3 Qb6 44. Kf1 Rb8 45. Rh5 Kf6 46. Rh2 Nb4 47. Nf2 Bd7 48. Nh3 Rg8 49. Kg1 Ree8 50. Kh1 Rc8 51. Rg1 Rg6 52. Nf2 Rc7 53. Rh5 Bc8 54. Nh3 Ba6 55. Nxf4 gxf4 56. Rf5+ Ke7 57. Qe1 Ke8 58. Qh4 Rf7 59. Qh5 Qc7 60. Rb1 Bxc4 61. bxc4 Qe7 62. Kg2 Kd7 63. Rh1 Kc7 64. Rh2 Rff6 65. Qh4 Qf8 66. Rh5 Qe8 67. Rf5 Qf7 68. Kf1 Qf8 69. Rh5 Qd8 70. Qf2 Qe8 71. Rf5 Qf8 72. Rfh5 Rxh6 73. Rxh6 Rxh6 74. g5 Rxh2 75. Qxh2 Qg7 76. Qh5 Nc2 77. Qe8 Qd7 78. Qa8 Qh3+ 79. Ke2 Nd4+ 80. Kf2 Qxf3+ 0-1

