[Event "Penang op 11th"]
[Site "Penang"]
[Date "2019.12.14"]
[Round "9"]
[White "Koay, Yu Zhe"]
[Black "Koelbl, Wolfgang"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1589"]
[BlackElo "1846"]
[PlyCount "61"]
[EventDate "2019.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Qc2 Bd6 5. g3 f5 6. Bg2 Nf6 7. 0-0 0-0 8. Bf4 Bxf4 9. gxf4 Ne4 10. e3 Kh8 11. Kh1 Nd7 12. Rg1 Ndf6 13. Ne5 dxc4 14. Nc3 Nd6 15. Bf3 Bd7 16. Rg3 Be8 17. Rag1 Rg8 18. Qe2 b5 19. Bxc6 Bxc6+ 20. Nxc6 Qc7 21. Ne5 b4 22. Nb1 c3 23. Qf3 a6 24. bxc3 bxc3 25. Rc1 Nde4 26. Rg6 Rab8 27. Kg2 Rb2 28. Nd3 Rxb1 29. Rxb1 Nd2 30. Qh3 Nxb1 31. Kf3 1/2-1/2

[Event "Penang op 11th"]
[Site "Penang"]
[Date "2019.12.13"]
[Round "8"]
[White "Lim, Kian Hwa"]
[Black "Koay, Yu Zhe"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1718"]
[BlackElo "1589"]
[PlyCount "132"]
[EventDate "2019.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bc4 e6 8. 0-0 Ngf6 9. Re1 Be7 10. Qe2 0-0 11. Bb3 Qc7 12. Bd2 Rfe8 13. c4 Rad8 14. Bc3 Bd6 15. Ne5 c5 16. Rad1 cxd4 17. Bxd4 Bxe5 18. Bxe5 Nxe5 19. Qxe5 Rxd1 20. Bxd1 Qxc4 21. Bb3 Qc8 22. h3 Rd8 23. Qe3 b6 24. Rc1 Qb7 25. Qc3 h6 26. Qc7 Qxc7 27. Rxc7 Rd7 28. Rc8+ Kh7 29. Bc2 Rd2 30. Bxg6+ Kxg6 31. Rc7 a5 32. b3 Rxa2 33. Rb7 Nd5 34. Ne4 Rc2 35. Nd6 Rc7 36. Rb8 Rc6 37. Nb5 Rc1+ 38. Kh2 Rb1 39. Nd6 Rxb3 40. Rg8 f5 41. g3 a4 42. Ra8 Rb2 43. Ra7 Nf6 44. Kg2 b5 45. Ra5 Ne4 46. Nxb5 Nxf2 47. Nc7 Ne4+ 48. Kg1 Rb6 49. g4 Rc6 50. Nxe6 fxg4 51. Nf4+ Kf7 52. Rxa4 Rc1+ 53. Kg2 gxh3+ 54. Nxh3 Nf6 55. Nf4 Rc7 56. Ra6 g5 57. Rxf6+ Kxf6 58. Nd5+ Ke5 59. Nxc7 h5 60. Kg3 g4 61. Kh4 Kf4 62. Ne6+ Kf3 63. Ng5+ Kf2 64. Ne4+ Kf3 65. Ng3 Kf4 66. Nxh5+ Ke4 1/2-1/2

[Event "Penang op 11th"]
[Site "Penang"]
[Date "2019.12.13"]
[Round "7"]
[White "Sim, Jia Ru"]
[Black "Koay, Yu Zhe"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1940"]
[BlackElo "1589"]
[PlyCount "149"]
[EventDate "2019.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8. Qxd3 e6 9. 0-0 Ngf6 10. c4 Be7 11. Bf4 0-0 12. Rfe1 Qa5 13. a3 Rfe8 14. b4 Qd8 15. Qb3 b5 16. Ne5 Rc8 17. c5 Nd5 18. Qf3 Nxe5 19. dxe5 Ra8 20. Qg4 Bf8 21. Ne4 Be7 22. Rad1 Qc7 23. Bg3 Kh8 24. Qh5 g6 25. Qh6 Bf8 26. Qh4 Bg7 27. Nf6 h6 28. Nxe8 Rxe8 29. Bf4 Kh7 30. Rd3 Qe7 31. Qg4 Ra8 32. Rh3 a5 33. Bg5 Qf8 34. Bd2 axb4 35. Bxb4 Ra4 36. Qd4 Qe7 37. Rf3 Kg8 38. g3 Qc7 39. Kg2 Kf8 40. Re4 Ke8 41. Qd2 Ra8 42. Rd3 Bf8 43. h4 Ra4 44. Re1 Qd8 45. Qe2 Ra7 46. Kh2 Qe7 47. Rxd5 exd5 48. e6 f5 49. Qe5 Rb7 50. Qd6 Rc7 51. a4 bxa4 52. Ra1 Rc8 53. Rxa4 Qc7 54. Qxc7 Rxc7 55. Ra8+ Ke7 56. Bc3 Rb7 57. Rc8 Rb3 58. Bd4 Rd3 59. Be3 Bg7 60. Rc7+ Kf6 61. e7 Kf7 62. e8Q+ Kxe8 63. Rxg7 d4 64. Bxh6 Rc3 65. Rxg6 Rxc5 66. Rd6 Rc2 67. Kg2 c5 68. Bf4 Rc3 69. h5 d3 70. h6 Kf7 71. h7 Kg7 72. Rd7+ Kg6 73. h8Q c4 74. Qg7+ Kh5 75. Qg5# 1-0

[Event "Penang op 11th"]
[Site "Penang"]
[Date "2019.12.12"]
[Round "6"]
[White "Koay, Yu Zhe"]
[Black "Mushini, Ajay"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1589"]
[BlackElo "1933"]
[PlyCount "118"]
[EventDate "2019.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 b5 6. Qc2 Bb7 7. g3 Nbd7 8. Bg2 e6 9. 0-0 c5 10. dxc5 Bxc5 11. e3 0-0 12. Rd1 Rc8 13. Qe2 a6 14. b3 Qe7 15. Bb2 e5 16. Nbd2 Ba3 17. Nf1 Bxb2 18. Qxb2 e4 19. Ne1 Ne5 20. Rac1 Rcd8 21. Qc2 Nf3+ 22. Bxf3 exf3 23. Rxd8 Rxd8 24. Rd1 Rc8 25. Qd3 g5 26. Qf5 Rc5 27. Qd3 Be4 28. Qd8+ Qxd8 29. Rxd8+ Kg7 30. Rd1 g4 31. Ra1 Nd5 32. Nd2 f5 33. a4 b4 34. h3 h5 35. Nxe4 fxe4 36. Rd1 Kf6 37. hxg4 hxg4 38. Rd4 Ke5 39. Rd1 Rc3 40. Rb1 Nb6 41. a5 Nd7 42. Kf1 Nc5 43. Kg1 Nxb3 44. Kh2 Kd5 45. Kh1 Kc4 46. Kg1 Rc1 47. Rxc1+ Nxc1 48. Nc2 b3 49. Na3+ Kb4 50. Nb1 Nd3 51. Kf1 Kxa5 52. Kg1 Kb4 53. Kf1 a5 54. Kg1 a4 55. Kf1 a3 56. Kg1 a2 57. Kh2 a1Q 58. Na3 Qh8+ 59. Kg1 Qh3 0-1

[Event "Penang op 11th"]
[Site "Penang"]
[Date "2019.12.11"]
[Round "5"]
[White "Chua, Chee Sian Sebastien"]
[Black "Koay, Yu Zhe"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "1772"]
[BlackElo "1589"]
[PlyCount "86"]
[EventDate "2019.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. b3 Bf5 8. Bb2 Nbd7 9. Nbd2 Rc8 10. Rc1 Re8 11. Nh4 Qa5 12. a3 Qd8 13. b4 Nb6 14. Nxf5 gxf5 15. cxd5 cxd5 16. Qb3 Qd7 17. b5 Rxc1 18. Rxc1 Rc8 19. Rxc8+ Qxc8 20. a4 e6 21. a5 Nbd7 22. Qc3 Qxc3 23. Bxc3 Bf8 24. f3 Bh6 25. Kf2 Kg7 26. Nb3 b6 27. a6 Kf8 28. Nc5 bxc5 29. dxc5 Ne8 30. c6 Nb6 31. Be5 Bg7 32. Bb8 Nc8 33. e3 Bf6 34. Bxa7 Nxa7 35. b6 Nxc6 36. a7 Nxa7 37. bxa7 Nc7 38. Bf1 Be7 39. e4 fxe4 40. fxe4 Bc5+ 41. Kf3 Bxa7 42. exd5 Nxd5 43. Bd3 h6 0-1

[Event "Penang op 11th"]
[Site "Penang"]
[Date "2019.12.10"]
[Round "3"]
[White "Koay, Yu Zhe"]
[Black "Ang, Ern Jie Anderson"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "1589"]
[BlackElo "1852"]
[PlyCount "104"]
[EventDate "2019.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 c6 4. Nf3 d5 5. Qb3 dxc4 6. Qxc4 Be6 7. Qc2 Bg7 8. Bg2 0-0 9. 0-0 Bf5 10. Qb3 Qb6 11. Qxb6 axb6 12. a3 Nbd7 13. Bf4 Nd5 14. Nc3 Nxc3 15. bxc3 Be4 16. Rfd1 Ra4 17. Bc1 Rfa8 18. e3 b5 19. Bb2 Bxf3 20. Bxf3 Nb6 21. Be2 e6 22. Ra2 Bf8 23. Rda1 R4a7 24. Bc1 Nd5 25. Bd2 Rxa3 26. Rxa3 Rxa3 27. Rxa3 Bxa3 28. e4 Nb6 29. Kf1 Bb2 30. d5 exd5 31. exd5 Nxd5 32. c4 bxc4 33. Bxc4 Kf8 34. Ke2 Ke7 35. Kd3 Kd6 36. Kc2 Bd4 37. f3 b5 38. Be2 Kc5 39. Kb3 Kb6 40. h3 c5 41. Be1 Ne3 42. Bd2 c4+ 43. Ka2 Nd5 44. Kb1 Kc5 45. Kc2 b4 46. g4 b3+ 47. Kc1 c3 48. Bh6 Be3+ 49. Bxe3+ Nxe3 50. h4 Kb4 51. Bd3 b2+ 52. Kb1 Kb3 0-1

[Event "Penang op 11th"]
[Site "Penang"]
[Date "2019.12.10"]
[Round "2"]
[White "Novita, Anjas"]
[Black "Koay, Yu Zhe"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2381"]
[BlackElo "1589"]
[PlyCount "137"]
[EventDate "2019.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. Nf3 Bg4 6. c3 Nf6 7. Nbd2 e6 8. 0-0 Bd6 9. Re1 0-0 10. Nf1 Re8 11. Bd2 Rc8 12. Ng3 Qc7 13. Bg5 Nh5 14. Bh4 Be7 15. h3 Bxf3 16. Qxf3 Nf4 17. Bxe7 Nxd3 18. Qxd3 Nxe7 19. Re3 Qc4 20. Qd2 b5 21. a3 a5 22. Rae1 Qc7 23. Qe2 Rb8 24. Qg4 Ng6 25. Nh5 Re7 26. f4 Rbe8 27. Qf3 Qd7 28. Ng3 f5 29. Ne2 Nh8 30. Nc1 Nf7 31. Nb3 a4 32. Nc5 Qc8 33. g4 fxg4 34. hxg4 Qc6 35. Qf2 Kf8 36. Qh4 h6 37. f5 e5 38. Ne6+ Rxe6 39. fxe6 Rxe6 40. dxe5 Ng5 41. Qf2+ Kg8 42. Rf1 Qe8 43. Qd2 Rxe5 44. Qxd5+ Rxd5 45. Rxe8+ Kh7 46. Kg2 Kg6 47. Rf2 Nh7 48. Re4 Nf6 49. Rb4 h5 50. gxh5+ Kxh5 51. c4 bxc4 52. Rxc4 Ng4 53. Re2 Rg5 54. Rxa4 Ne5+ 55. Kf2 Nd3+ 56. Ke3 Rg3+ 57. Kd2 Nc5 58. Ra5 Rg5 59. Kc2 Ne6 60. Rxg5+ Nxg5 61. a4 Nf3 62. Kd3 g5 63. a5 g4 64. a6 g3 65. a7 g2 66. a8Q g1Q 67. Qxf3+ Kh6 68. Qf8+ Kh7 69. Re7+ 1-0

[Event "Penang op 11th"]
[Site "Penang"]
[Date "2019.12.09"]
[Round "1"]
[White "Koay, Yu Zhe"]
[Black "Liong, Ing Kiat Anthony"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "1589"]
[BlackElo "2077"]
[PlyCount "86"]
[EventDate "2019.12.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. Qc2 0-0 8. Rd1 Na6 9. a3 dxc4 10. Qxc4 c5 11. e3 Rc8 12. Qe2 cxd4 13. Nxd4 Bxg2 14. Kxg2 Qd5+ 15. Kg1 Nc5 16. Nc3 Qb7 17. Bd2 g6 18. f4 Rfd8 19. Rac1 Bf8 20. b4 Ncd7 21. Qf3 Qxf3 22. Nxf3 a6 23. e4 Rc4 24. e5 Nd5 25. Nxd5 exd5 26. Be3 Rxc1 27. Rxc1 a5 28. bxa5 Bxa3 29. Ra1 Bc5 30. Kf2 bxa5 31. Bxc5 Nxc5 32. Rxa5 Ne6 33. Ke3 h5 34. Nd4 Nxd4 35. Kxd4 Rb8 36. Kxd5 Rb2 37. Ra8+ Kg7 38. Ra7 Kg8 39. Kd6 Rxh2 40. Ke7 Rb2 41. Kf6 Rb6+ 42. Kg5 Kg7 43. Rd7 Re6 1/2-1/2

[Event "Penang Mini op 2nd"]
[Site "Penang"]
[Date "2019.06.09"]
[Round "9"]
[White "Koay, Yu Zhe"]
[Black "Loganathan, Divyadarrshini"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1641"]
[BlackElo "1368"]
[PlyCount "109"]
[EventDate "2019.06.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. Nf3 0-0 8. Be2 axb5 9. Bxb5 Ba6 10. Bxa6 Nxa6 11. 0-0 d6 12. e4 Nd7 13. Bf4 Qb6 14. Qe2 Rfb8 15. Rfb1 Qc7 16. a4 Rb6 17. Bd2 Qb8 18. Nb5 Nc7 19. Nxc7 Qxc7 20. Be1 Qb7 21. Ra2 Rb8 22. a5 Rxb2 23. Raxb2 Bxb2 24. a6 Qb6 25. a7 Qxa7 26. Rxb2 Rc8 27. h3 c4 28. Rc2 Qa4 29. Bc3 Rb8 30. Bd4 Rc8 31. Kh2 Qb3 32. Rc3 Qa4 33. Qc2 Qxc2 34. Rxc2 e5 35. dxe6 fxe6 36. Ng5 Nf8 37. Bc3 h6 38. Nf3 d5 39. exd5 exd5 40. Rd2 Rc5 41. Nd4 Kf7 42. Kg3 Nd7 43. Rb2 Rc7 44. Kf4 Nc5 45. Rb5 Nd3+ 46. Ke3 Re7+ 47. Kd2 Rd7 48. f3 Nf4 49. g3 Nxh3 50. Nc6 Ke6 51. Rb6 Kf5 52. Nd4+ Kg5 53. Ne6+ Kh5 54. Ng7+ Kg5 55. Bf6# 1-0

[Event "Penang Mini op 2nd"]
[Site "Penang"]
[Date "2019.06.08"]
[Round "7"]
[White "Koay, Yu Zhe"]
[Black "Loo, Pin Xie"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1641"]
[BlackElo "1505"]
[PlyCount "86"]
[EventDate "2019.06.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 e6 4. g3 d5 5. Bg2 c6 6. Nc3 Bd6 7. 0-0 0-0 8. Bf4 Ne4 9. Bxd6 Nxd6 10. c5 Ne4 11. Qc2 Nd7 12. Nd2 Qf6 13. e3 e5 14. Ne2 Qh6 15. f4 Ndf6 16. Nf3 exd4 17. exd4 Be6 18. Ne5 Rfe8 19. Rae1 Bf7 20. Nc3 Nxc3 21. bxc3 Be6 22. Rb1 Re7 23. Rfe1 Rae8 24. Re2 g6 25. Rbe1 Qg7 26. Bf3 Qf8 27. a4 Nd7 28. Kf2 Nxe5 29. Rxe5 Bf7 30. R5e2 Rxe2+ 31. Rxe2 Rxe2+ 32. Qxe2 Qe8 33. Qe5 Qxe5 34. fxe5 g5 35. h4 h6 36. Ke3 Kf8 37. Be2 Ke7 38. a5 a6 39. Bd3 Be6 40. Kf3 Kf7 41. h5 Ke7 42. g4 fxg4+ 43. Kg3 Kf7 1/2-1/2

[Event "Penang Mini op 2nd"]
[Site "Penang"]
[Date "2019.06.08"]
[Round "8"]
[White "Teh, Rui Gen"]
[Black "Koay, Yu Zhe"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1298"]
[BlackElo "1641"]
[PlyCount "76"]
[EventDate "2019.06.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. f3 Nc6 9. Qd2 Bd7 10. g4 Rc8 11. h4 h5 12. gxh5 Nxh5 13. Rg1 Ne5 14. Bh6 Nc4 15. Bxc4 Rxc4 16. Bxg7 Nxg7 17. Nb3 b5 18. 0-0-0 Kh7 19. Kb1 a5 20. Rh1 Nh5 21. Rhg1 a4 22. Nc1 Qa5 23. Rg5 f6 24. Rgg1 Rfc8 25. Nd5 Qxd2 26. Rxd2 Re8 27. Nb6 Rc7 28. Nxd7 Rxd7 29. Rd5 Rb8 30. Ne2 Rc7 31. Rgd1 Kg8 32. b3 Kf7 33. Kb2 Ng7 34. Nf4 Ne6 35. Nxe6 Kxe6 36. f4 Rcb7 37. h5 gxh5 38. Rxh5 Rc8 1/2-1/2

[Event "Penang Mini op 2nd"]
[Site "Penang"]
[Date "2019.06.07"]
[Round "5"]
[White "Koay, Yu Zhe"]
[Black "Lim, Feng Wei Ferris"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "1641"]
[BlackElo "1538"]
[PlyCount "89"]
[EventDate "2019.06.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 0-0 6. 0-0 Nc6 7. Nc3 a6 8. e4 e5 9. d5 Na5 10. Qe2 c5 11. Bd2 Bd7 12. b3 Qc7 13. Rfb1 Rfb8 14. a4 b6 15. Ne1 Nb7 16. Nd3 a5 17. Rf1 Rf8 18. Rae1 h6 19. Qd1 Rae8 20. Qc1 Kh7 21. f4 Ng8 22. fxe5 dxe5 23. Re2 Nd6 24. Nb5 Bxb5 25. axb5 f5 26. exf5 gxf5 27. Bc3 Nb7 28. Qb2 e4 29. Nf4 Nd8 30. Bh3 Bxc3 31. Qxc3 Qe5 32. Qxe5 Rxe5 33. Nd3 Re7 34. Rxf5 Rxf5 35. Bxf5+ Kg7 36. Bxe4 Nf6 37. Bf3 Rxe2 38. Bxe2 Ne4 39. Bd1 Kf6 40. Kg2 Nf7 41. Kf3 Nfg5+ 42. Ke3 Kf5 43. h4 Nc3 44. hxg5 Nxd1+ 45. Kd2 1-0

[Event "Penang Mini op 2nd"]
[Site "Penang"]
[Date "2019.06.07"]
[Round "6"]
[White "Lim, Kian Hwa"]
[Black "Koay, Yu Zhe"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1644"]
[BlackElo "1641"]
[PlyCount "123"]
[EventDate "2019.06.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Be3 Nf6 7. h3 0-0 8. Qd2 Rb8 9. Bh6 Nd4 10. Bxg7 Kxg7 11. Nd1 b5 12. c3 Nc6 13. Ne3 b4 14. Ne2 bxc3 15. bxc3 Bd7 16. g4 Ng8 17. Ng3 e6 18. f4 f6 19. 0-0 Nce7 20. Rf2 f5 21. Rd1 Nh6 22. d4 Ba4 23. Re1 Qc7 24. g5 Nf7 25. h4 Rbd8 26. Kh2 Qb7 27. Bh3 Bc6 28. h5 Rfe8 29. c4 Qb4 30. d5 Qxd2 31. Rxd2 exd5 32. exd5 Bd7 33. Rde2 Nc8 34. Kg2 Nb6 35. Kf3 Kf8 36. a3 Re7 37. Kf2 Rde8 38. Kf3 Bc8 39. Bxf5 gxf5 40. Rh1 Kg8 41. Rhe1 Kf8 42. h6 Nh8 43. Nh5 Ng6 44. Ng7 Re4 45. Nxe8 Kxe8 46. Nxf5 Bxf5 47. Rxe4+ Bxe4+ 48. Rxe4+ Kf7 49. Ke3 Ne7 50. Kd3 Nf5 51. Re6 Nc8 52. Rf6+ Kg8 53. Rxf5 a6 54. Rf6 a5 55. Re6 Kf7 56. f5 Ne7 57. Rxd6 Nxf5 58. Rf6+ Kg8 59. Rxf5 Kh8 60. d6 Kg8 61. d7 Kh8 62. d8Q# 1-0

[Event "Penang Mini op 2nd"]
[Site "Penang"]
[Date "2019.06.06"]
[Round "3"]
[White "Koay, Yu Zhe"]
[Black "Poh, Yu Tian"]
[Result "0-1"]
[ECO "D73"]
[WhiteElo "1641"]
[BlackElo "1927"]
[PlyCount "146"]
[EventDate "2019.06.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nf3 dxc4 6. Qa4+ Nfd7 7. Qxc4 Nb6 8. Qd3 Nc6 9. Be3 Bf5 10. Qd2 Nc4 11. Qc3 Nxe3 12. fxe3 0-0 13. Nh4 Bd7 14. Nd2 e5 15. Nb3 Be6 16. Bxc6 bxc6 17. Nf3 Bxb3 18. Qxb3 e4 19. Nh4 c5 20. Rd1 cxd4 21. exd4 c5 22. dxc5 Qa5+ 23. Kf2 Qxc5+ 24. Qe3 Qc6 25. b3 Qf6+ 26. Kg2 Qe6 27. Rhf1 Rfc8 28. Rc1 h6 29. Kh1 a5 30. Ng2 Qe5 31. Qf4 Qxf4 32. Nxf4 Bb2 33. Rcd1 Ra7 34. Rd2 Bg7 35. Rfd1 h5 36. Rd8+ Rxd8 37. Rxd8+ Bf8 38. Re8 Re7 39. Rxe7 Bxe7 40. Nd5 Bd8 41. Kg2 f5 42. Kf2 Bg5 43. Nf4 Kf7 44. Ke3 Bf6 45. Nd5 Be5 46. Nb6 Ke6 47. Nc4 Bc3 48. Nb6 g5 49. Na4 Be5 50. Kf2 Bd4+ 51. e3 Be5 52. Nb6 Bc7 53. Nc4 Kd5 54. Ke2 a4 55. Nd2 axb3 56. Nxb3 Be5 57. Nd2 Bc3 58. Kd1 Bb4 59. Nb3 Bd6 60. Ke2 Kc4 61. Nd2+ Kd5 62. Nb3 Be5 63. Nd2 Bc3 64. Kd1 Bf6 65. Ke2 Kc5 66. h3 Kd5 67. Nb3 Be5 68. g4 fxg4 69. hxg4 h4 70. Nd2 Bc3 71. Nb1 Bb4 72. a4 Kc5 73. a5 Kb5 0-1

[Event "Penang Mini op 2nd"]
[Site "Penang"]
[Date "2019.06.06"]
[Round "4"]
[White "Kong, Ren En"]
[Black "Koay, Yu Zhe"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2019"]
[BlackElo "1641"]
[PlyCount "81"]
[EventDate "2019.06.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Nbd7 8. Nxc4 c5 9. e4 Bg6 10. Bf4 a6 11. Nd6+ Bxd6 12. Bxd6 cxd4 13. Qxd4 Qb6 14. Qxb6 Nxb6 15. Be2 Nc8 16. Ba3 Nd7 17. Kf2 Ne7 18. Rhd1 Rc8 19. Rac1 Nb8 20. Ke3 h6 21. Nb1 Rxc1 22. Rxc1 Nbc6 23. b4 Kd7 24. b5 axb5 25. axb5 Nb8 26. Rd1+ Ke8 27. Nd2 f5 28. Nc4 fxe4 29. fxe4 Nc8 30. Ne5 Bh7 31. Bh5+ g6 32. Nxg6 Kf7 33. Nxh8+ Kg7 34. Bb2+ e5 35. Bxe5+ Kf8 36. Rf1+ Bf5 37. Rxf5+ Ke7 38. Rf7+ Ke6 39. Kf4 Ne7 40. Bg4+ Nf5 41. Bxf5# 1-0

[Event "Penang Mini op 2nd"]
[Site "Penang"]
[Date "2019.06.05"]
[Round "2"]
[White "Carson, Goh Eu Zien"]
[Black "Koay, Yu Zhe"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1467"]
[BlackElo "1641"]
[PlyCount "126"]
[EventDate "2019.06.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. Kb1 Nxd4 11. Bxd4 dxe4 12. Bxf6 Qxd2 13. Rxd2 Bxf6 14. Nxe4 Bg7 15. Bc4 Be5 16. Rhd1 Bf5 17. g4 Bxe4 18. fxe4 Rac8 19. Bb3 Rc7 20. h3 Rfc8 21. Rd5 Bf4 22. Rf1 g5 23. h4 h6 24. hxg5 hxg5 25. Rd3 e6 26. Rfd1 Kg7 27. Rf3 Rh8 28. c3 Rh2 29. Rg1 Rd7 30. Rd1 Rc7 31. Rg1 Kf6 32. Bc2 Ke5 33. Rd3 f6 34. a3 Rch7 35. Bd1 Rh1 36. Rxh1 Rxh1 37. Kc2 Rh2+ 38. Kb3 Bc1 39. Bc2 Rg2 40. Rd7 Rxg4 41. Rxb7 Be3 42. Kc4 Rh4 43. Rg7 g4 44. Rg6 Bg5 45. Kd3 g3 46. Ke2 Rh2+ 47. Kf3 Rxc2 48. Kxg3 Rxb2 49. c4 Rb3+ 50. Kg4 Rxa3 51. c5 Rc3 52. Kh5 Rxc5 53. Rg7 a5 54. Ra7 Kxe4 55. Rd7 Rd5 56. Rc7 Bf4+ 57. Kg6 Bxc7 58. Kf7 Kf5 59. Ke7 Bb6 60. Ke8 Bc5 61. Kf7 Rd7+ 62. Ke8 Re7+ 63. Kf8 Kg6 0-1

[Event "Penang Mini op 2nd"]
[Site "Penang"]
[Date "2019.06.05"]
[Round "1"]
[White "Koay, Yu Zhe"]
[Black "Kulpruethanon, Thanadon"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "1641"]
[BlackElo "2263"]
[PlyCount "84"]
[EventDate "2019.06.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 Nbd7 10. Bf4 Qe7 11. h3 Nh5 12. Bd2 f5 13. Qc1 Ne5 14. Re1 Bd7 15. a4 a6 16. a5 Rab8 17. Bh6 b5 18. Bxg7 Kxg7 19. Qd2 Rbe8 20. Nxe5 Qxe5 21. e4 f4 22. g4 f3 23. Re3 fxg2 24. gxh5 Qxh5 25. Qe2 Qe5 26. Kxg2 Rf4 27. Re1 Ref8 28. Nd1 Rh4 29. Rg3 Rh5 30. f3 Rg5 31. Qf2 Rf4 32. Rxg5 Qxg5+ 33. Qg3 Qf6 34. Qf2 Bxh3+ 35. Kh2 Rxf3 36. Qd2 Qe5+ 37. Kh1 Bd7 38. Re2 Qg3 39. Rf2 Bg4 40. Qc3+ Rxc3 41. bxc3 Bxd1 42. Rf1 Bc2 0-1

[Event "Putrajaya op 1st"]
[Site "Putrajaya"]
[Date "2019.01.19"]
[Round "3"]
[White "Zulkipli, Zaidan"]
[Black "Koay, Yu Zhe"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2191"]
[BlackElo "1557"]
[PlyCount "143"]
[EventDate "2019.01.19"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "MAS"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 e6 7. e3 a6 8. Bd3 Be7 9. 0-0 0-0 10. Rc1 Bd7 11. a3 h6 12. Na4 Nh5 13. Bg3 Nxg3 14. hxg3 Rc8 15. Nc5 Rc7 16. b4 Nb8 17. Qe2 a5 18. bxa5 Bxc5 19. dxc5 Qe7 20. Qb2 Rfc8 21. Ne5 Be8 22. a4 Bxa4 23. Rc3 Be8 24. Rfc1 Nc6 25. Nxc6 Bxc6 26. a6 bxa6 27. Bxa6 Bb7 28. Bd3 Ba8 29. Bb1 f5 30. Qc2 Kf7 31. g4 g6 32. f3 h5 33. Ba2 hxg4 34. fxg4 Qh4 35. gxf5 gxf5 36. Qf2 Qg4 37. e4 dxe4 38. Rg3 Qh5 39. Qd4 Qh8 40. Qd6 Qf6 41. Bxe6+ Qxe6 42. Rg7+ Kf6 43. Rg6+ Kxg6 44. Qxe6+ Kg5 45. Rc3 f4 46. Qe5+ Kg4 47. Qe6+ Kg5 48. Rh3 Rc6 49. Qe5+ Kg6 50. Qxf4 Kg7 51. Rg3+ Rg6 52. Rxg6+ Kxg6 53. Qg4+ Kf6 54. Qxc8 Bd5 55. Qd8+ Ke5 56. Qd6+ Kd4 57. c6 e3 58. Kf1 Ke4 59. Ke1 Bxc6 60. Qxc6+ Kd3 61. Qf3 Kd4 62. g4 Kd3 63. g5 Kd4 64. g6 Ke5 65. g7 e2 66. Qf7 Kd6 67. g8Q Ke5 68. Qge8+ Kd6 69. Qfd7+ Kc5 70. Qec8+ Kb4 71. Qdb7+ Ka4 72. Qca8# 1-0

[Event "Penang Mini op1st"]
[Site "Penang"]
[Date "2018.06.17"]
[Round "8"]
[White "Tin, Shan Ze"]
[Black "Koay, Yu Zhe"]
[Result "1-0"]
[ECO "D14"]
[WhiteElo "1450"]
[BlackElo "1477"]
[PlyCount "135"]
[EventDate "2018.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 Bf5 7. Nf3 e6 8. Bb5 a6 9. Bxc6+ bxc6 10. Qa4 Qb6 11. 0-0 Be7 12. Ne5 Rc8 13. a3 a5 14. Rac1 0-0 15. Ne2 c5 16. b3 Bd6 17. dxc5 Rxc5 18. Rxc5 Qxc5 19. Nd4 Qxa3 20. Ra1 Qxa4 21. Rxa4 Rc8 22. Nec6 Bb4 23. Rxb4 axb4 24. Ne7+ Kh8 25. Nxc8 Ne8 26. Nd6 Nxd6 27. Bxd6 Bd3 28. Bxb4 e5 29. Nc6 f6 30. Bc5 g6 31. b4 Kg7 32. Ne7 Bc4 33. f4 exf4 34. exf4 Kf7 35. Kf2 d4 36. Nc6 d3 37. Ke3 Ba6 38. Na7 g5 39. fxg5 fxg5 40. b5 Bb7 41. g3 h5 42. Kxd3 h4 43. Nc6 Kg6 44. Na5 Bc8 45. b6 hxg3 46. hxg3 Kf5 47. b7 Bxb7 48. Nxb7 Kg4 49. Bd6 Kf3 50. Nc5 Kg4 51. Ne4 Kf5 52. Ke3 Kg4 53. Be7 Kf5 54. Bxg5 Kg6 55. g4 Kf7 56. Kf4 Kg6 57. Nd6 Kh7 58. Kf5 Kg7 59. Bf6+ Kf8 60. g5 Kg8 61. Kg6 Kf8 62. Bd8 Kg8 63. Be7 Kh8 64. Bf8 Kg8 65. Bh6 Kh8 66. Ne4 Kg8 67. Nf6+ Kh8 68. Bg7# 1-0

[Event "Penang Mini op1st"]
[Site "Penang"]
[Date "2018.06.16"]
[Round "7"]
[White "Koay, Yu Zhe"]
[Black "Chua, Jia Tien"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "1477"]
[BlackElo "1725"]
[PlyCount "82"]
[EventDate "2018.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bg4 6. Nbd2 Nbd7 7. e3 e6 8. Be2 Bd6 9. 0-0 0-0 10. h3 Bh5 11. Qc2 Rc8 12. Nc4 Bb8 13. b3 Qc7 14. Rd1 Bg6 15. Bd3 Bxd3 16. Qxd3 Rfd8 17. Qe2 Ne4 18. Bb2 Ndf6 19. Ncd2 Nxd2 20. Qxd2 Ne4 21. Qe1 f5 22. g3 g5 23. Nd2 Nxd2 24. Rxd2 Qf7 25. f4 Qh5 26. Kh2 g4 27. h4 Qe8 28. Ba3 Qd7 29. Qe2 Bc7 30. Rad1 Qd5 31. Qc4 Rd7 32. Qxd5 exd5 33. Kg2 Kf7 34. Kf2 Ke6 35. Rd3 h5 36. Rc1 Bd6 37. Bxd6 Kxd6 38. Rdc3 Rdc7 39. Ke2 a5 40. a3 b6 41. a4 c5 1/2-1/2

[Event "Penang Mini op1st"]
[Site "Penang"]
[Date "2018.06.16"]
[Round "6"]
[White "Poh, Yu Tian"]
[Black "Koay, Yu Zhe"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "1524"]
[BlackElo "1477"]
[PlyCount "146"]
[EventDate "2018.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. g4 Nc4 14. Bxc4 Rxc4 15. Nde2 Qa5 16. Kb1 Re8 17. Bg5 hxg4 18. f4 Be6 19. a3 Qb6 20. Bxf6 Bxf6 21. f5 gxf5 22. exf5 Bxf5 23. Rhf1 Bh7 24. Rc1 Bxc3 25. Nxc3 Qd4 26. Qg5+ Qg7 27. Qb5 Rec8 28. Qd5 R8c5 29. Qxb7 Rxc3 30. bxc3 Qxc3 31. Qb2 Qxb2+ 32. Kxb2 f5 33. Rcd1 Kf7 34. Rd2 Kf6 35. Kb3 Rc6 36. Kb4 e5 37. Kb5 Rc5+ 38. Kb4 Ke6 39. Rfd1 Rc6 40. a4 f4 41. a5 a6 42. c4 Be4 43. Re1 Bf3 44. Rf1 e4 45. Rd4 g3 46. Kc3 Rc5 47. Ra1 Ke5 48. h5 Bxh5 49. Rh1 Bf3 50. Rh6 d5 51. Rxa6 Rxc4+ 52. Rxc4 dxc4 53. Rg6 e3 54. Rg8 Bd5 55. Re8+ Kf5 56. Kd4 g2 57. Kxd5 e2 58. a6 Kf6 59. a7 g1Q 60. a8Q Qg2+ 61. Re4 Qxe4+ 62. Kxe4 e1Q+ 63. Kxf4 Qe5+ 64. Kf3 Qc3+ 65. Kf4 Qd2+ 66. Kf3 Qd3+ 67. Kf4 Qf1+ 68. Qf3 Qc1+ 69. Ke4+ Ke7 70. Kd4 Qd2+ 71. Kxc4 Qd6 72. Qe4+ Qe6+ 73. Qxe6+ Kxe6 1/2-1/2

[Event "Penang Mini op1st"]
[Site "Penang"]
[Date "2018.06.15"]
[Round "5"]
[White "Koay, Yu Zhe"]
[Black "Tan, Jia Yun"]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "1477"]
[BlackElo "1663"]
[PlyCount "62"]
[EventDate "2018.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d5 6. cxd5 Nxd5 7. 0-0 Nc6 8. e4 Nb6 9. d5 Na5 10. Nc3 c6 11. dxc6 Nxc6 12. Be3 Nc4 13. Qc1 Nxe3 14. Qxe3 Be6 15. Rfd1 Qa5 16. a3 Rfd8 17. Rxd8+ Rxd8 18. Rd1 Bxc3 19. Rxd8+ Qxd8 20. Qxc3 Qd1+ 21. Qe1 Qc2 22. b4 Bg4 23. Nd2 Ne5 24. h3 Be6 25. f4 Nd3 26. Qe3 b6 27. Bf1 Nb2 28. g4 Nc4 29. Nxc4 Bxc4 30. Bxc4 Qxc4 31. Kf2 Qc2+ 1/2-1/2

[Event "Penang Mini op1st"]
[Site "Penang"]
[Date "2018.06.15"]
[Round "4"]
[White "Tan, Yik Chean"]
[Black "Koay, Yu Zhe"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1466"]
[BlackElo "1477"]
[PlyCount "72"]
[EventDate "2018.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. Qe1 e6 11. h4 h5 12. Bg5 Ne7 13. g4 e5 14. Nb3 d4 15. gxh5 Nxh5 16. Nd5 f6 17. Bc4 Kh7 18. Bd2 Bh6 19. Bxh6 Kxh6 20. Qd2+ Kh7 21. f4 Nxd5 22. exd5 Bf5 23. fxe5 fxe5 24. Rde1 Rc8 25. Bd3 Bxd3 26. Qxd3 Qxd5 27. Kb1 Rf2 28. c3 Nf4 29. Qd1 dxc3 30. bxc3 Rxc3 31. Qxd5 Nxd5 32. Rxe5 Rd3 33. Nc1 Nc3+ 34. Ka1 Rdd2 35. Ra5 Rb2 36. Ra3 Rb1# 0-1

[Event "Penang Mini op1st"]
[Site "Penang"]
[Date "2018.06.14"]
[Round "3"]
[White "Koay, Yu Zhe"]
[Black "Lim, Feng Wei Ferris"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "1477"]
[BlackElo "1231"]
[PlyCount "83"]
[EventDate "2018.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nbd7 7. Nc3 e5 8. Qc2 Re8 9. d5 a5 10. e4 Nc5 11. Ne1 Nfd7 12. Be3 b6 13. Bxc5 Nxc5 14. Nd3 Ba6 15. b3 Nxd3 16. Qxd3 Rb8 17. Rac1 Qd7 18. f3 h5 19. Rc2 h4 20. g4 Bh6 21. Rb1 Kg7 22. Bf1 Bf4 23. h3 Kh6 24. Rcb2 Rg8 25. Kh1 f6 26. Ne2 Bg5 27. Nc3 Rbf8 28. Bg2 Bf4 29. Rf1 g5 30. Ra1 Rb8 31. Bf1 Rgc8 32. Qd1 Be3 33. c5 Bxf1 34. c6 Qe7 35. Qxf1 Bd4 36. Rc2 b5 37. Rd1 b4 38. Na4 Ra8 39. Rb1 Rcb8 40. Qe2 Qd8 41. Qf1 Qc8 42. Qe2 1/2-1/2

[Event "Penang Mini op1st"]
[Site "Penang"]
[Date "2018.06.14"]
[Round "2"]
[White "Lieu, Chin Yung"]
[Black "Koay, Yu Zhe"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1776"]
[BlackElo "1477"]
[PlyCount "87"]
[EventDate "2018.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Nc4 14. Qe2 Na5 15. Qd2 Nxb3+ 16. axb3 a6 17. g4 Kh7 18. Bxf6 Bxf6 19. gxh5 gxh5 20. Nd5 Bg7 21. Kb1 Bh6 22. f4 Bg4 23. Rdg1 Rg8 24. Nf5 Bf8 25. Nfe3 e6 26. Nxg4 exd5 27. Ne3 dxe4 28. Rxg8 Kxg8 29. Rg1+ Kh7 30. Qd5 Qf6 31. Qxe4+ Kh8 32. Nd5 Qh6 33. Qf5 Qe6 34. Qxh5+ Bh6 35. f5 Rg8 36. Rxg8+ Kxg8 37. fxe6 fxe6 38. Qxh6 exd5 39. Qg6+ Kf8 40. h5 d4 41. h6 b5 42. Qg7+ Ke8 43. h7 d3 44. h8Q# 1-0

[Event "Penang Mini op1st"]
[Site "Penang"]
[Date "2018.06.13"]
[Round "1"]
[White "Koay, Yu Zhe"]
[Black "Villanueva, Nelson"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "1477"]
[BlackElo "2069"]
[PlyCount "90"]
[EventDate "2018.06.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 c6 7. Nc3 Nbd7 8. Qc2 e5 9. Rd1 Re8 10. e3 e4 11. Nd2 d5 12. b3 Nf8 13. Re1 Bf5 14. Ba3 Qd7 15. Bxf8 Bxf8 16. c5 Bh3 17. b4 Qf5 18. f4 exf3 19. Qxf5 Bxf5 20. Bxf3 Bh6 21. Kf2 Re7 22. Nf1 Rae8 23. Nd1 Bh3 24. Nd2 Re6 25. a4 Ng4+ 26. Bxg4 Bxg4 27. Nf1 Bg7 28. Nc3 Bh3 29. Re2 Rf6+ 30. Kg1 Rf3 31. Rf2 Rfxe3 32. Nxe3 Rxe3 33. Ne2 Rxe2 34. Rxe2 Bxd4+ 35. Kh1 Bxa1 36. Re7 Kf8 37. Rxb7 d4 38. Rc7 d3 39. Rxc6 Be5 40. Kg1 Bd4+ 41. Kh1 d2 42. Rc8+ Bxc8 43. Kg2 d1Q 44. c6 Qe2+ 45. Kh1 Qf1# 0-1

[Event "Penang op-B 9th"]
[Site "Penang"]
[Date "2017.12.08"]
[Round "8"]
[White "Koay, Yu Zhe"]
[Black "Hamzah, Razali"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1472"]
[BlackElo "1717"]
[PlyCount "42"]
[EventDate "2017.12.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. e3 Ngxe5 6. Be2 Bc5 7. a3 a5 8. 0-0 d6 9. b3 0-0 10. Bb2 Bf5 11. Nd4 Bxd4 12. exd4 Ng6 13. Nd2 Nf4 14. f3 Qg5 15. g3 Rfe8 16. Re1 Nh3+ 17. Kg2 Qe3 18. g4 Nf4+ 19. Kf1 Bxg4 20. fxg4 Qh3+ 21. Kg1 Qg2# 0-1

[Event "Penang op-B 7th"]
[Site "Penang"]
[Date "2015.12.11"]
[Round "7"]
[White "Noel, Nicolas"]
[Black "Koay, Yu Zhe"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "1671"]
[BlackElo "1519"]
[PlyCount "33"]
[EventDate "2015.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 Nc6 6. Bc4 Bc5 7. Bf4 Qb6 8. 0-0 Qxb2 9. Nb5 Bb6 10. e5 Qb4 11. Rb1 Qe7 12. Nd6+ Kd8 13. Qa4 Rb8 14. Ng5 Nh6 15. Ngxf7+ Nxf7 16. h4 h6 17. Rfd1 1/2-1/2

[Event "Penang op-B 7th"]
[Site "Penang"]
[Date "2015.12.09"]
[Round "5"]
[White "Koay, Yu Zhe"]
[Black "Azhar, Puteri Munajjah Az"]
[Result "0-1"]
[ECO "D43"]
[WhiteElo "1519"]
[BlackElo "1741"]
[PlyCount "120"]
[EventDate "2015.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "MAS"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 e6 5. Nc3 dxc4 6. Qxc4 b5 7. Qd3 Nbd7 8. g3 Bb7 9. Bg2 Be7 10. 0-0 0-0 11. Rd1 Nb6 12. Ne5 Qc7 13. e4 Rad8 14. Qf3 b4 15. Ne2 c5 16. Ng4 Nxe4 17. Qd3 f5 18. Ne3 Bf6 19. Qc2 c4 20. Nf4 Rfe8 21. Ne2 Re7 22. f3 Ng5 23. Kf2 Red7 24. h4 Nf7 25. Kf1 Bxd4 26. Nxd4 Rxd4 27. Rxd4 Rxd4 28. Qf2 Qd6 29. f4 Ba6 30. Kg1 Nd8 31. Kh2 Nb7 32. Qe1 Nc5 33. Qxb4 Nd3 34. Qxd6 Rxd6 35. a3 Nxc1 36. Rxc1 Rd2 37. Rc2 Rxc2 38. Nxc2 Na4 39. Nb4 Bb5 40. Bc6 Bxc6 41. Nxc6 Nxb2 42. Nd4 c3 43. Kg2 Kf7 44. Kf3 Ke7 45. Ke3 a6 46. Nc2 Nc4+ 47. Kd3 Nd6 48. Ne3 Ne4 49. Nf1 Kd6 50. Kc2 Kc5 51. Kc1 Kd4 52. Kd1 Kd3 53. a4 Nc5 54. a5 c2+ 55. Ke1 c1Q+ 56. Kf2 Ne4+ 57. Kg1 Ke2 58. h5 Qxf1+ 59. Kh2 Qf2+ 60. Kh1 Nxg3# 0-1

