[Event "US op 123nd"]
[Site "Grand Rapids"]
[Date "2023.08.05"]
[Round "8"]
[White "Deviprasath, Sharvesh"]
[Black "Paitrick, Derek R"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2322"]
[BlackElo "2034"]
[PlyCount "121"]
[EventDate "2023.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. Nf3 c5 4. e3 a6 5. c4 Bg4 6. h3 Bh5 7. cxd5 Nxd5 8. Qc2 e6 9. a3 Nc6 10. Be2 Nf6 11. 0-0 Rc8 12. d3 Be7 13. Nbd2 0-0 14. Rac1 b5 15. Rfd1 Qb6 16. Qb1 Rfd8 17. Kh1 Ne8 18. Ne4 Bg6 19. Qa1 Na5 20. Qa2 Qb7 21. Nxc5 Bxc5 22. b4 Bb6 23. bxa5 Bxa5 24. Ne5 Rxc1 25. Rxc1 Rc8 26. Rxc8 Qxc8 27. Qb3 f6 28. Nxg6 hxg6 29. Kg1 Kf7 30. g4 Qc6 31. Bf1 Nc7 32. Bg2 Qd7 33. h4 Bb6 34. h5 gxh5 35. gxh5 Qd6 36. Qd1 Nd5 37. Be4 Nxe3 38. fxe3 Qg3+ 39. Kf1 Qh3+ 40. Ke1 Qxe3+ 41. Qe2 Qg1+ 42. Kd2 Bd4 43. Bg6+ Ke7 44. Bxd4 Qxd4 45. Qe4 Qb2+ 46. Ke3 Qxa3 47. Qc6 f5 48. Qc7+ Kf6 49. Qd8+ Qe7 50. Qd4+ e5 51. Qh4+ Ke6 52. Bxf5+ Kf7 53. Qxe7+ Kxe7 54. Bc8 a5 55. Ba6 b4 56. Bc4 Kd6 57. Ke4 a4 58. Bb5 b3 59. Bxa4 b2 60. Bc2 b1Q 61. Bxb1 1-0

[Event "US op 123nd"]
[Site "Grand Rapids"]
[Date "2023.07.29"]
[Round "1"]
[White "Ballantyne, Wayne W"]
[Black "Paitrick, Derek R"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "1842"]
[BlackElo "2034"]
[PlyCount "61"]
[EventDate "2023.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 c5 7. Nb5 f6 8. exf6 Nxf6 9. Bf4 0-0 10. Nf3 Na6 11. c3 Bd7 12. a4 Ne4 13. g3 cxd4 14. Nbxd4 Qb6 15. Ra2 Bd6 16. Be3 Qc7 17. Ng5 Nxg5 18. hxg5 g6 19. Bh3 Rae8 20. Nb5 Bxb5 21. axb5 Qc4 22. Qb1 Qxb5 23. Bf1 Qc6 24. Bd3 Qc7 25. Bxa6 bxa6 26. Rxa6 d4 27. Bxd4 Qb7 28. Qxg6+ hxg6 29. Rh8+ Kf7 30. Rh7+ Kg8 31. Rxb7 1-0

[Event "Chicago op 22nd"]
[Site "Wheeling"]
[Date "2013.05.27"]
[Round "9"]
[White "Santarius, Erik F"]
[Black "Paitrick, Derek R"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2292"]
[BlackElo "2094"]
[PlyCount "137"]
[EventDate "2013.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Qxd4 Bd7 11. Bf4 Qxd4 12. Nxd4 Rc8 13. Bb5 Bc5 14. Bxd7+ Nxd7 15. Nb3 Be7 16. c3 0-0 17. Rad1 Nb6 18. Bg3 Nd5 19. Rd3 Rfd8 20. Rfd1 Nf6 21. Kf1 Kf8 22. Rxd8+ Rxd8 23. Rxd8+ Bxd8 24. Bb8 Bb6 25. Bd6+ Ke8 26. Nc5 Bxc5 27. Bxc5 a6 28. Bd4 Ke7 29. Ke2 Ne8 30. c4 Kd6 31. f4 f6 32. Kd3 Kc6 33. b4 Nd6 34. a4 h5 35. Bf2 Nf5 36. g3 Nd6 37. c5 Nf5 38. Kc4 Ne7 39. b5+ axb5+ 40. axb5+ Kc7 41. Kd4 Nf5+ 42. Ke4 Kd7 43. Be1 Ne7 44. Bc3 Nd5 45. Ba5 Ne7 46. Bd2 Kc7 47. h3 Kd7 48. Bc3 Nd5 49. Ba5 Ne7 50. Be1 Kc7 51. Kf3 Nf5 52. Bf2 Nh6 53. g4 hxg4+ 54. hxg4 Ng8 55. g5 Ne7 56. Bd4 Nf5 57. Bc3 b6 58. c6 Nd6 59. g6 Nf5 60. Kg4 Ne7 61. Kh5 Nd5 62. Bd2 Kd6 63. Kg4 Kc5 64. f5 Kxb5 65. Bh6 Kxc6 66. Bxg7 exf5+ 67. Kxf5 Ne7+ 68. Kxf6 Nxg6 69. Kxg6 1/2-1/2

