[Event "Vecindario Montalvo Memorial 15th"]
[Site "Vecindario"]
[Date "2023.04.09"]
[Round "9"]
[White "Trocoli Romero, Luis Dingyu"]
[Black "Bumbak, Jacob"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1255"]
[BlackElo "1451"]
[PlyCount "134"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Ne7 7. Bg5 Qb6 8. Qb3 Qxb3 9. axb3 Nf5 10. 0-0 c5 11. c3 cxd4 12. cxd4 Nc6 13. Be3 Be7 14. Nc3 0-0 15. Rfc1 a6 16. Ne2 Nxe3 17. fxe3 Rfc8 18. Nf4 Nb4 19. Ne1 Nc6 20. Ned3 Rc7 21. Rc3 Rac8 22. Rac1 h6 23. Kf2 Bd8 24. Nc5 Na5 25. Ke2 b6 26. Nxa6 Rxc3 27. Rxc3 Rxc3 28. bxc3 Nxb3 29. Nb4 Na5 30. Nfd3 f5 31. h3 g5 32. Kf3 h5 33. g3 Kf7 34. Na2 Nc4 35. Nac1 Nd2+ 36. Kg2 Nc4 37. Kf3 Be7 38. Nb4 Nd2+ 39. Kg2 Ne4 40. Ne2 Nxc3 41. Nxc3 Bxb4 42. Nb5 Ke7 43. Kf3 Kd7 44. h4 gxh4 45. gxh4 Be1 46. Kf4 Bxh4 47. Nc3 Kc6 48. Na4 Kb5 49. Nc3+ Kc4 50. Na4 Bd8 51. Nxb6+ Bxb6 52. Kg5 Kd3 53. Kxh5 Kxe3 54. Kg6 Bxd4 55. Kf6 f4 56. Kxe6 Bxe5 57. Kxe5 d4 58. Ke6 d3 59. Ke5 d2 60. Ke6 d1Q 61. Ke5 Qd4+ 62. Kf5 Kf3 63. Kg5 Qe5+ 64. Kg6 Kg4 65. Kf7 Kf5 66. Kf8 Kg6 67. Kg8 Qe8# 0-1

[Event "Vecindario Montalvo Memorial 15th"]
[Site "Vecindario"]
[Date "2023.04.08"]
[Round "8"]
[White "Bumbak, Jacob"]
[Black "Rivero Reyes, Alejandro"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1451"]
[BlackElo "1620"]
[PlyCount "88"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 b6 3. Bxf6 exf6 4. e4 Bb7 5. Bd3 f5 6. Qe2 Qe7 7. Nc3 Nc6 8. Nf3 0-0-0 9. Nd5 Qd6 10. 0-0 fxe4 11. Bxe4 f5 12. Nxb6+ axb6 13. Bxf5 Nxd4 14. Nxd4 Qxd4 15. Rfd1 Qf4 16. Bxd7+ Kb8 17. g3 Qf6 18. a4 Bd6 19. Bh3 Rdf8 20. Bg2 Re8 21. Qf1 Bxg2 22. Qxg2 Re2 23. Rf1 Rf8 24. a5 Qf3 25. axb6 Qxg2+ 26. Kxg2 cxb6 27. Rac1 Bc5 28. b3 Rfxf2+ 29. Rxf2 Rxf2+ 30. Kh1 Kc7 31. c3 h5 32. b4 Bd6 33. Kg1 Re2 34. Rf1 Be5 35. c4 Rc2 36. Rf5 Bd4+ 37. Kh1 Rxc4 38. b5 Rc5 39. Rf7+ Kd6 40. Kg2 Rxb5 41. Kh3 Ke6 42. Rf4 Be5 43. Rf8 Bf6 44. Rh8 g6 0-1

[Event "Vecindario Montalvo Memorial 15th"]
[Site "Vecindario"]
[Date "2023.04.07"]
[Round "7"]
[White "Rodriguez Amador, Alvaro"]
[Black "Bumbak, Jacob"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1176"]
[BlackElo "1451"]
[PlyCount "68"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 c5 2. e3 Nf6 3. Nf3 e6 4. Bd3 b6 5. Nbd2 Bb7 6. Qe2 Nc6 7. c3 d5 8. e4 dxe4 9. Nxe4 cxd4 10. Nxf6+ gxf6 11. cxd4 Nxd4 12. Bd2 Nxe2 13. Bb5+ Qd7 14. Bxd7+ Kxd7 15. Kxe2 Ba6+ 16. Ke1 Rg8 17. Rg1 Bb7 18. Kf1 Rg4 19. Ke2 Ba6+ 20. Kd1 Bc5 21. Be3 Bxe3 22. fxe3 Rag8 23. g3 Bb7 24. Rf1 Rd8 25. Nd4 e5 26. Nf5 Ke6+ 27. Ke1 Be4 28. h3 Rg5 29. g4 Bxf5 30. gxf5+ Rxf5 31. Rxf5 Kxf5 32. Kf2 Rd2+ 33. Kf3 e4+ 34. Kg3 Rxb2 0-1

[Event "Vecindario Montalvo Memorial 15th"]
[Site "Vecindario"]
[Date "2023.04.06"]
[Round "6"]
[White "Bumbak, Jacob"]
[Black "Gonzalez Estevez, Alejandro"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1451"]
[BlackElo "1633"]
[PlyCount "46"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. dxc5 Bxc5 8. 0-0 f6 9. b4 Be7 10. b5 Nd8 11. Nd4 fxe5 12. Qh5+ Nf7 13. Nb3 Nf6 14. Qe2 e4 15. Bc2 Bxb5 16. Qe1 Bxf1 17. Be3 Qc7 18. Qxf1 0-0 19. Nd4 Ng4 20. g3 Nxe3 21. fxe3 Ng5 22. Qg2 e5 23. Ne2 Qc5 0-1

[Event "Vecindario Montalvo Memorial 15th"]
[Site "Vecindario"]
[Date "2023.04.05"]
[Round "5"]
[White "Mestre Deniz, Miguel Enrique"]
[Black "Bumbak, Jacob"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "1451"]
[PlyCount "62"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h3 e6 5. Nf3 c5 6. c3 Nc6 7. Be2 c4 8. 0-0 Be7 9. Be3 b5 10. b3 h6 11. Nbd2 Ba3 12. Nb1 Bb2 13. Nbd2 Bxa1 14. Qxa1 Nge7 15. Nh2 0-0 16. Bg4 Bh7 17. f4 Nf5 18. Bf2 Nce7 19. a3 Qc7 20. b4 a5 21. Qb2 Nc6 22. Ndf3 axb4 23. axb4 Ra7 24. Ra1 Rfa8 25. Rxa7 Rxa7 26. Nh4 Nce7 27. Nxf5 Nxf5 28. Nf3 Qd8 29. Kh2 Qa8 30. Bg3 Ra2 31. Qb1 Nxg3 0-1

[Event "Vecindario Montalvo Memorial 15th"]
[Site "Vecindario"]
[Date "2023.04.04"]
[Round "4"]
[White "Bumbak, Jacob"]
[Black "Pace, Gabriele"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1451"]
[BlackElo "1645"]
[PlyCount "98"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Bf5 5. fxe4 Bxe4 6. Nxe4 Nxe4 7. Bd3 Nf6 8. Nf3 e6 9. Ne5 Qd5 10. Qe2 Nbd7 11. Bc4 Qe4 12. Be3 Nxe5 13. dxe5 Qxe5 14. 0-0-0 Bc5 15. Bxc5 Qxc5 16. h4 0-0 17. g4 Rad8 18. Rdg1 Nd5 19. Rg3 c6 20. Rf1 b5 21. Bb3 a5 22. c3 a4 23. Bc2 a3 24. Rff3 axb2+ 25. Kb1 b4 26. Qe4 g6 27. c4 Nc3+ 28. Rxc3 bxc3 29. Rxc3 Qd4 30. Qf3 c5 31. h5 Qd2 32. Bb3 Rd4 33. Rc2 Qd1+ 34. Qxd1 Rxd1+ 35. Kxb2 Rd4 36. Rg2 Rfd8 37. Kc3 Rf4 38. a4 Rf3+ 39. Kc2 Rdd3 40. Ba2 Ra3 41. Kb1 Rxa4 42. h6 Rd3 43. Kb2 f6 44. g5 Kf7 45. gxf6 Kxf6 46. Rh2 e5 47. Bb1 Rb4+ 48. Kc2 Rdb3 49. Rf2+ Kg5 0-1

[Event "Vecindario Montalvo Memorial 15th"]
[Site "Vecindario"]
[Date "2023.04.03"]
[Round "3"]
[White "Aguiar Alfonso, Victor"]
[Black "Bumbak, Jacob"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "1451"]
[PlyCount "78"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. c3 Qb6 4. Qb3 Qxb3 5. axb3 cxd4 6. cxd4 Nc6 7. e3 e6 8. Nf3 Nb4 9. Na3 Nbd5 10. Be5 Bb4+ 11. Nd2 Bxd2+ 12. Kxd2 Ne4+ 13. Ke1 f6 14. Bg3 h5 15. Be2 h4 16. Bf3 hxg3 17. Bxe4 gxf2+ 18. Kxf2 Nc7 19. Bg6+ Ke7 20. Bd3 b6 21. Rac1 Nd5 22. Be4 Bb7 23. Nb5 a6 24. Nc7 Rac8 25. Nxd5+ Bxd5 26. Bxd5 exd5 27. Rxc8 Rxc8 28. Ra1 Rc2+ 29. Kf3 a5 30. b4 axb4 31. Ra6 Rxb2 32. Rxb6 b3 33. h4 g6 34. g4 Rb1 35. Kg2 b2 36. g5 fxg5 37. hxg5 d6 38. Kf2 Rh1 39. Rxb2 Rh2+ 0-1

[Event "Vecindario Montalvo Memorial 15th"]
[Site "Vecindario"]
[Date "2023.04.02"]
[Round "2"]
[White "Bumbak, Jacob"]
[Black "Galli Galante, Franco Giuliano"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1451"]
[PlyCount "58"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 d5 2. e4 Nf6 3. e5 Ne4 4. f3 Bf5 5. fxe4 Bxe4 6. Nc3 Bf5 7. Bd3 e6 8. Nf3 c5 9. Bxf5 exf5 10. dxc5 Bxc5 11. Nxd5 0-0 12. Be3 Bxe3 13. Nxe3 Qa5+ 14. Qd2 Qb6 15. 0-0-0 Nc6 16. Nxf5 Rad8 17. Qg5 g6 18. Nh6+ Kg7 19. Nh4 Nxe5 20. N4f5+ Kh8 21. Qf6+ Qxf6 22. Ne3 Qg5 23. Nxf7+ Rxf7 24. Rxd8+ Qxd8 25. h4 Rc7 26. g3 Nd3+ 27. Kb1 Qd4 28. Nd1 Qe4 29. Rg1 Nxb2 0-1

[Event "Vecindario Montalvo Memorial 15th"]
[Site "Vecindario"]
[Date "2023.04.02"]
[Round "1"]
[White "Ramirez Maillo, Cristian"]
[Black "Bumbak, Jacob"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1976"]
[BlackElo "1451"]
[PlyCount "71"]
[EventDate "2023.04.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Be3 e6 5. Nd2 Ne7 6. c3 Nd7 7. f4 Bg6 8. Be2 Nf5 9. Bf2 c5 10. Ngf3 Qb6 11. 0-0 Qxb2 12. Rb1 Qxc3 13. Rxb7 Qa3 14. Bb5 Rd8 15. Nb3 a6 16. Bc6 c4 17. Nc5 Bxc5 18. dxc5 Ne3 19. Bxe3 Qxe3+ 20. Kh1 Qa3 21. Qa4 Qxa4 22. Bxa4 0-0 23. Rxd7 Rc8 24. c6 f6 25. Nd4 fxe5 26. Nxe6 Rfe8 27. Nxg7 Rf8 28. f5 Rf7 29. f6 d4 30. Nf5 Rxd7 31. cxd7 Rd8 32. Ne7+ Kf7 33. Nc6 Rxd7 34. Nxe5+ Ke6 35. Nxd7 c3 36. Nf8+ 1-0

[Event "Perth op"]
[Site "Perth"]
[Date "2023.01.06"]
[Round "7"]
[White "Bumbak, Jacob"]
[Black "Deng, Eric"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1544"]
[PlyCount "134"]
[EventDate "2023.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nf3 c5 5. c3 e6 6. Bb5+ Nc6 7. Qa4 Qb6 8. Ne5 Rc8 9. 0-0 a6 10. Bxc6+ bxc6 11. Nd2 Be7 12. h3 0-0 13. g4 Bg6 14. Nxg6 hxg6 15. Qb3 Qd8 16. Nf3 cxd4 17. exd4 c5 18. Rfe1 cxd4 19. Nxd4 Qd7 20. Rad1 Bd6 21. Be5 Bxe5 22. Rxe5 Qd6 23. Nf3 Rb8 24. Qc2 Qb6 25. Re2 Ne4 26. Kg2 Nd6 27. Ne5 Qb7 28. f3 Rfc8 29. Rd4 Nb5 30. Rf4 Rc7 31. a4 Nd6 32. Nd3 Nc4 33. b4 Rbc8 34. Nc5 Qa7 35. Qd3 a5 36. Rxc4 dxc4 37. Qxc4 axb4 38. cxb4 Qxa4 39. Nxa4 Rxc4 40. Nb6 Rc2 41. Nxc8 Rxe2+ 42. Kg3 Rb2 43. Ne7+ Kf8 44. Nc6 Ke8 45. h4 f6 46. h5 gxh5 47. gxh5 e5 48. Kg4 Rb3 49. Kg3 e4 50. Nd4 Rxb4 51. Nf5 Kf8 52. fxe4 Rxe4 53. h6 gxh6 54. Nxh6 Kg7 55. Kf3 Ra4 56. Nf5+ Kg6 57. Ne7+ Kg5 58. Nd5 f5 59. Ne3 Ra3 60. Kf2 f4 61. Nf1 Kf5 62. Ke2 f3+ 63. Ke1 Ra2 64. Ng3+ Kf4 65. Nf1 Ke4 66. Ng3+ Kd3 67. Nf1 f2+ 0-1

[Event "Perth op"]
[Site "Perth"]
[Date "2023.01.05"]
[Round "5"]
[White "Bumbak, Jacob"]
[Black "Barry, David"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "1647"]
[PlyCount "116"]
[EventDate "2023.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 Qb6 4. Qc1 cxd4 5. exd4 Qxd4 6. Nf3 Qb6 7. Bd3 g6 8. Nc3 Bg7 9. Qd2 0-0 10. 0-0 d6 11. Be3 Qd8 12. Bh6 Nc6 13. Bxg7 Kxg7 14. a3 a6 15. h3 Qb6 16. Rfe1 Bd7 17. Rab1 Rae8 18. b4 Nd4 19. Nxd4 Qxd4 20. b5 axb5 21. Rb4 Qc5 22. Rh4 h5 23. g4 Rh8 24. gxh5 Rxh5 25. Ne4 Nxe4 26. Rexe4 Qg5+ 27. Qxg5 Rxg5+ 28. Kh2 Bc6 29. Reg4 Rxg4 30. hxg4 Rh8 31. Rxh8 Kxh8 32. g5 Kg7 33. Kg3 f6 34. gxf6+ exf6 35. f4 f5 36. Kf2 Be4 37. Bxb5 Bxc2 38. Ke3 Kf6 39. Bc4 Be4 40. Bb5 g5 41. a4 g4 42. a5 g3 43. Bd7 g2 44. Kf2 Ke7 45. Bb5 d5 46. a6 bxa6 47. Bxa6 d4 48. Be2 Kd6 49. Bh5 Kc5 50. Be2 Kb4 51. Bh5 Kc3 52. Be2 Kd2 53. Bh5 Kc1 54. Be2 Kc2 55. Bh5 d3 56. Be8 d2 57. Ba4+ Kc1 58. Bb3 Bc2 0-1

[Event "Perth op"]
[Site "Perth"]
[Date "2023.01.05"]
[Round "6"]
[White "Schiavone, Emmanuel"]
[Black "Bumbak, Jacob"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1573"]
[PlyCount "41"]
[EventDate "2023.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Bg5 Qb6 8. Nd2 Ne7 9. Ngf3 Nf5 10. 0-0 c5 11. dxc5 Bxc5 12. c4 d4 13. a3 a5 14. Ne4 Nc6 15. b4 axb4 16. Nxc5 Qxc5 17. axb4 Nxb4 18. Rxa8+ Kd7 19. Qa3 Rxa8 20. Qxa8 Qc7 21. Rb1 1-0

[Event "Perth op"]
[Site "Perth"]
[Date "2023.01.04"]
[Round "4"]
[White "Stokes, Mark"]
[Black "Bumbak, Jacob"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1569"]
[PlyCount "158"]
[EventDate "2023.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 d5 3. Bd3 c5 4. c3 Nc6 5. f4 Bg4 6. Nf3 e6 7. Nbd2 Bd6 8. h3 Bf5 9. Bb5 0-0 10. Ne5 Ne4 11. Nxe4 Bxe4 12. Qe2 Qh4+ 13. Qf2 Qxf2+ 14. Kxf2 Bxe5 15. dxe5 Na5 16. b4 a6 17. Be2 cxb4 18. cxb4 Nc4 19. Bxc4 dxc4 20. Bb2 Rfd8 21. Bd4 Rac8 22. Rhc1 b5 23. g3 Ra8 24. Ke2 Bg2 25. h4 Be4 26. Rc3 Rdc8 27. Bb6 h5 28. Rd1 Bd5 29. Rd2 Kh7 30. Kf2 Kg6 31. Re2 Kf5 32. Rd2 Rab8 33. Ba5 Rb7 34. Rd4 Ra8 35. Rd2 Raa7 36. Rd4 Rd7 37. Bb6 Rab7 38. Ba5 Be4 39. Rd6 Rxd6 40. exd6 Rd7 41. Bc7 f6 42. Rc1 Bd3 43. Rc3 Ke4 44. Ra3 Bc2 45. Rc3 Bb1 46. a4 Bd3 47. axb5 axb5 48. Ra3 Kd5 49. Rc3 e5 50. Ra3 Bc2 51. Ke2 Ba4 52. Rc3 Ke4 53. Rc1 Kf5 54. Kf3 e4+ 55. Kf2 Kg4 56. Rc3 Kf5 57. Rc1 Ke6 58. Ke2 Kd5 59. Kd2 Rf7 60. Kc3 Kc6 61. Kd4 f5 62. Ke5 Kd7 63. Rc3 Rf8 64. Rc1 g6 65. Rc3 Bb3 66. Rc1 Re8+ 67. Kd4 Ra8 68. Kc5 Ba4 69. Rc3 Ra6 70. Rc1 Rc6+ 71. Kd4 Bb3 72. Rc3 Bd1 73. Rc1 Be2 74. Rc3 Bd3 75. Ra3 Bc2 76. Kd5 c3 77. Ra7 Bb3+ 78. Kd4 Ke6 79. Bb8 Rc4# 0-1

[Event "Perth op"]
[Site "Perth"]
[Date "2023.01.03"]
[Round "3"]
[White "Bumbak, Jacob"]
[Black "Hurst, Benjamin James"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1628"]
[PlyCount "51"]
[EventDate "2023.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. e4 dxe4 4. f3 exf3 5. Nxf3 e6 6. Bd3 Nc6 7. h3 Bb4 8. a3 Bxc3+ 9. bxc3 Qd6 10. 0-0 0-0 11. Rb1 e5 12. Qe1 exd4 13. cxd4 Nxd4 14. Ng5 h6 15. Qh4 Qc5 16. Ne4 Nf3+ 17. Kh1 Nxh4 18. Nxc5 b6 19. Bxh6 Nh5 20. Bf4 bxc5 21. Be4 Ba6 22. Bxc7 Rac8 23. Bd6 Bxf1 24. Rxf1 Rfe8 25. Bd5 Nf6 26. Bxf7+ 0-1

[Event "Perth op"]
[Site "Perth"]
[Date "2023.01.03"]
[Round "2"]
[White "Lee, Alexandre KM"]
[Black "Bumbak, Jacob"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1558"]
[PlyCount "114"]
[EventDate "2023.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. c4 e6 6. Nc3 Ne7 7. Nge2 Nd7 8. Ng3 Bg6 9. cxd5 cxd5 10. Bg5 Qb6 11. Qd2 Nc6 12. Be3 Ndxe5 13. dxe5 d4 14. Bxd4 Qxd4 15. Qxd4 Nxd4 16. 0-0-0 0-0-0 17. Nge4 Bb4 18. Bd3 Bxc3 19. bxc3 Nf5 20. g3 Rd5 21. Rhe1 Rhd8 22. Nd6+ Nxd6 23. Bxg6 Rxd1+ 24. Rxd1 fxg6 25. exd6 Kd7 26. Kc2 Rf8 27. f4 Rf5 28. c4 e5 29. Rd5 exf4 30. Rxf5 gxf5 31. gxf4 Kxd6 32. Kd3 Kc5 33. Kc3 a6 34. a3 g6 35. Kd3 b5 36. cxb5 Kxb5 37. Kc3 a5 38. Kb3 a4+ 39. Kc3 Kc5 40. Kd3 Kd5 41. Kc3 Ke4 42. Kb4 Kxf4 43. Kxa4 Kg4 44. Kb5 f4 45. a4 f3 46. a5 f2 47. a6 f1Q+ 48. Kb6 Qxa6+ 49. Kxa6 Kxh4 50. Kb5 Kg4 51. Kc4 Kf3 52. Kd4 g5 53. Ke5 g4 54. Kf5 h4 55. Kg5 h3 56. Kh4 h2 57. Kg5 h1Q 0-1

[Event "Perth op"]
[Site "Perth"]
[Date "2023.01.02"]
[Round "1"]
[White "Bumbak, Jacob"]
[Black "Dagza, Ben"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1726"]
[PlyCount "72"]
[EventDate "2023.01.02"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 c6 4. Bf4 Qa5 5. Bd3 e5 6. dxe5 dxe5 7. Be3 Be7 8. h3 0-0 9. Nge2 Be6 10. 0-0 Nbd7 11. f4 exf4 12. Nxf4 Ne5 13. Nxe6 fxe6 14. Be2 b5 15. a3 b4 16. axb4 Qxb4 17. Qd4 Ng6 18. Bc4 Kh8 19. Bxe6 Rfd8 20. Qxb4 Bxb4 21. Bxa7 Rxa7 22. Rxa7 Bc5+ 23. Kh1 Bxa7 24. Re1 Bf2 25. Rf1 Bg3 26. Rf3 Be5 27. Rd3 Ra8 28. g3 Nh5 29. Kg2 Nhf4+ 30. gxf4 Nxf4+ 31. Kf3 Nxe6 32. Kg4 Rf8 33. Ne2 g6 34. h4 Rf2 35. Ng3 h5+ 36. Nxh5 gxh5+ 0-1

