[Event "US Collegiate Rapid"]
[Site "Lichess.org INT"]
[Date "2021.09.25"]
[Round "5.151"]
[White "Atanda, Goodness"]
[Black "Koch, Caleb"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "44"]
[EventDate "2021.09.25"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Howard Univ"]
[BlackTeam "Stanford Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 Bb4 6. Bc4 Bxc3+ 7. bxc3 Ne7 8. 0-0 Qc7 9. Qb3 Nbc6 10. Bd3 d5 11. exd5 Nxd5 12. Re1 0-0 13. Ba3 Rd8 14. c4 Nf4 15. Be4 Bd7 16. Rad1 Qb6 17. Qc2 f5 18. Bxc6 Bxc6 19. Bd6 Bxf3 20. gxf3 Rxd6 21. c5 Rxd1 22. cxb6 Rxe1# 0-1

[Event "US Collegiate Rapid"]
[Site "Lichess.org INT"]
[Date "2021.09.25"]
[Round "1.123"]
[White "Brodsky, David"]
[Black "Koch, Caleb"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2470"]
[PlyCount "109"]
[EventDate "2021.09.25"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Texas Dallas Univ"]
[BlackTeam "Stanford Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Nxc6 bxc6 7. Bd3 d5 8. 0-0 Nf6 9. Qf3 Nd7 10. Qg3 Qf6 11. Bg5 Qg6 12. e5 Qh5 13. Be2 Qg6 14. Bd3 Qh5 15. Bf4 Nc5 16. Be2 Qg6 17. Qe3 a5 18. Rac1 Ba6 19. Bxa6 Rxa6 20. Ne2 Qe4 21. c4 Qxe3 22. Bxe3 Nd7 23. cxd5 exd5 24. f4 Be7 25. Nd4 Bc5 26. Rfe1 0-0 27. Nf5 Bxe3+ 28. Rxe3 c5 29. Ne7+ Kh8 30. Nxd5 Rb8 31. Rd3 h6 32. Nc7 Nxe5 33. fxe5 Rg6 34. b3 a4 35. Rxc5 axb3 36. axb3 Rb7 37. h3 Ra7 38. Kh2 Ra2 39. Rg3 Rb6 40. Nd5 Re6 41. Nf4 Rb6 42. Rc8+ Kh7 43. Rc7 g5 44. Rxf7+ Kg8 45. Rf6 Rxf6 46. exf6 Kf7 47. Nd3 Ra3 48. b4 Kxf6 49. Nc5 Ra8 50. b5 Ke7 51. Rd3 Rb8 52. Rd7+ Ke8 53. Rb7 Rc8 54. Ne4 Rc4 55. Nd6+ 1-0

[Event "US Collegiate Rapid"]
[Site "Lichess.org INT"]
[Date "2021.09.25"]
[Round "4.161"]
[White "Koch, Caleb"]
[Black "Gruen, Angus"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "128"]
[EventDate "2021.09.25"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Stanford Univ"]
[BlackTeam "Caltech"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 d5 2. Bf4 e6 3. c3 c5 4. e3 Nf6 5. Nd2 Bd6 6. Bg3 Nc6 7. Ngf3 0-0 8. Bd3 c4 9. Bc2 Nh5 10. Qe2 b5 11. e4 Nf4 12. Qf1 Ng6 13. e5 Be7 14. h4 f5 15. exf6 Bxf6 16. Bxg6 hxg6 17. Qe2 Qe7 18. Ne5 Bxe5 19. Bxe5 Nxe5 20. Qxe5 Rf5 21. Qg3 e5 22. 0-0-0 e4 23. Rde1 Qf7 24. f3 Bb7 25. fxe4 dxe4 26. Nxe4 Bxe4 27. Rxe4 Rf8 28. Rhe1 Rf1 29. Qg4 Rxe1+ 30. Rxe1 Qf2 31. Qe6+ Kh7 32. Qe4 Rf6 33. h5 Qf4+ 34. Qxf4 Rxf4 35. hxg6+ Kxg6 36. Re2 Kf5 37. Kd2 Rf1 38. Re5+ Kf4 39. Ke2 Ra1 40. Rxb5 Rxa2 41. Rb7 g5 42. Kf2 g4 43. g3+ Ke4 44. Rb4 a5 45. Rb5 a4 46. Re5+ Kd3 47. Re3+ Kd2 48. Re2+ Kc1 49. d5 Rxb2 50. d6 Rb8 51. Ke3 Kb1 52. Kd4 a3 53. Kxc4 a2 54. Kd5 a1Q 55. Re1+ Kb2 56. Rxa1 Kxa1 57. c4 Rb3 58. c5 Rxg3 59. c6 Rd3+ 60. Ke6 g3 61. c7 g2 62. c8Q Rxd6+ 63. Kxd6 g1Q 64. Qc3+ Kb1 1/2-1/2

[Event "US Collegiate Rapid"]
[Site "Lichess.org INT"]
[Date "2021.09.25"]
[Round "7.152"]
[White "Koch, Caleb"]
[Black "Mittal, Abhisar"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "115"]
[EventDate "2021.09.25"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Stanford Univ"]
[BlackTeam "Yale University"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 d5 2. Bf4 Bf5 3. c3 Nf6 4. Qb3 Qc8 5. e3 e6 6. Nd2 c5 7. Ngf3 Nc6 8. Ne5 Be7 9. Bb5 a6 10. Bxc6+ bxc6 11. Qa4 cxd4 12. exd4 0-0 13. Nxc6 Qb7 14. Nxe7+ Qxe7 15. h3 Rfc8 16. 0-0 h6 17. Qa5 Ne4 18. Nxe4 Bxe4 19. Rfe1 Qb7 20. b3 Qb5 21. Qxb5 axb5 22. Rec1 b4 23. c4 Bd3 24. c5 Bb5 25. Bd2 Bc6 26. Bxb4 Rcb8 27. Bd2 Ra3 28. h4 Kf8 29. Bf4 Rb4 30. Be3 Ke7 31. g4 f6 32. Kf1 g5 33. hxg5 hxg5 34. Ke2 Kd7 35. Kd2 Kc7 36. Kc3 Rb7 37. Rh1 Kb8 38. Kb2 Ra6 39. Rh6 Rf7 40. Rah1 e5 41. dxe5 d4 42. Bxd4 Bxh1 43. Rxh1 fxe5 44. Bxe5+ Kb7 45. Bd4 Rf4 46. Be3 Rxg4 47. Rh5 Rg2 48. Rxg5 Rh2 49. Rg7+ Kb8 50. Bf4+ Kc8 51. Bxh2 Rf6 52. Bg3 Rf3 53. a4 Kd8 54. a5 Kc8 55. a6 Kd8 56. a7 Rxf2+ 57. Bxf2 Kc8 58. a8Q# 1-0

[Event "US Collegiate Rapid"]
[Site "Lichess.org INT"]
[Date "2021.09.25"]
[Round "8.138"]
[White "Koch, Caleb"]
[Black "Schneiderheinze, Ben"]
[Result "0-1"]
[ECO "A80"]
[PlyCount "104"]
[EventDate "2021.09.25"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Stanford Univ"]
[BlackTeam "Saint Louis Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 f5 2. Bf4 Nf6 3. Nf3 e6 4. e3 b6 5. Nbd2 Bb7 6. c4 Bd6 7. Bd3 0-0 8. Qc2 Nc6 9. a3 Ne7 10. Bg3 Ng6 11. Bxd6 cxd6 12. e4 fxe4 13. Nxe4 Nxe4 14. Bxe4 Bxe4 15. Qxe4 Rc8 16. Qd3 Nf4 17. Qf1 Qf6 18. 0-0-0 Nxg2 19. Nd2 Qxf2 20. Qd3 Nf4 21. Qe4 Qe2 22. Qb7 Nd3+ 23. Kb1 Rfd8 24. Rhg1 Nf2 25. Qg2 Qd3+ 26. Ka1 Qxd4 27. Ne4 Nxd1 28. Nxd6 Rc6 29. Nb5 Qxb2+ 30. Qxb2 Nxb2 31. Kxb2 Rxc4 32. Nxa7 Rc5 33. Rd1 d5 34. Rc1 Rxc1 35. Kxc1 e5 36. Kd2 Ra8 37. Nb5 Ra5 38. Nc3 d4 39. Nb1 b5 40. Kd3 Kf7 41. Ke4 Ke6 42. h4 h6 43. Kd3 Kd5 44. h5 e4+ 45. Kd2 Kc4 46. Kc2 d3+ 47. Kd2 Kd4 48. Kd1 e3 49. Ke1 b4 50. Kd1 Rxh5 51. Nd2 Rh1+ 52. Nf1 Rxf1# 0-1

[Event "US Collegiate Rapid"]
[Site "Lichess.org INT"]
[Date "2021.09.25"]
[Round "2.161"]
[White "Koch, Caleb"]
[Black "Soloduhina, Anna"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "1466"]
[PlyCount "77"]
[EventDate "2021.09.25"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Stanford Univ"]
[BlackTeam "Texas Tech Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 d5 2. Bf4 Nf6 3. e3 g6 4. Be2 Bg7 5. h3 0-0 6. Nf3 Nbd7 7. 0-0 c5 8. c3 b6 9. Ne5 Bb7 10. Nd2 Ne8 11. Ndf3 Nd6 12. Re1 Re8 13. Nxd7 Qxd7 14. Ne5 Qd8 15. a4 f6 16. Nf3 e5 17. dxe5 fxe5 18. Bg5 Qc7 19. a5 bxa5 20. Qa4 e4 21. Nd2 Qf7 22. Qxa5 d4 23. Qxc5 dxc3 24. bxc3 Bf8 25. Red1 Nf5 26. Qc4 Bd5 27. Qa4 Rec8 28. c4 Bc6 29. Qa2 Bg7 30. Rac1 Rab8 31. Bf4 Rb2 32. Qa6 Qe6 33. c5 Kh8 34. Bc4 Qd7 35. Nxe4 Qe7 36. Qxc8+ Bf8 37. Be5+ Ng7 38. Bxb2 Bxe4 39. Rd8 1-0

[Event "US Collegiate Rapid"]
[Site "Lichess.org INT"]
[Date "2021.09.25"]
[Round "6.139"]
[White "Kung, Thomas"]
[Black "Koch, Caleb"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2146"]
[PlyCount "79"]
[EventDate "2021.09.25"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Texas Dallas Univ"]
[BlackTeam "Stanford Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be3 Qc7 7. Qf3 Nf6 8. 0-0-0 b5 9. e5 Bb7 10. exf6 Nxd4 11. Qg4 Nf5 12. Bf4 Qc6 13. Be5 Rg8 14. Bd3 Qxg2 15. Qf4 Qf3 16. Rhe1 Qxf4+ 17. Bxf4 g6 18. Ne4 h6 19. Kb1 Nh4 20. h3 Ng2 21. Nd6+ Bxd6 22. Bxd6 Nxe1 23. Rxe1 Rc8 24. c3 Bd5 25. Kc2 Rc6 26. Be7 h5 27. Ra1 e5 28. a4 e4 29. Bf1 Bc4 30. Bg2 Bd3+ 31. Kd2 bxa4 32. Rxa4 Rb6 33. b4 d5 34. Ra5 Bc4 35. Ke3 Kd7 36. h4 Ra8 37. Bh3+ Ke8 38. Rc5 Rb5 39. Rc7 a5 40. Bd7# 1-0

[Event "US Collegiate Rapid"]
[Site "Lichess.org INT"]
[Date "2021.09.25"]
[Round "9.150"]
[White "Simons Rudolph, Aedan"]
[Black "Koch, Caleb"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "114"]
[EventDate "2021.09.25"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Appalachian Univ"]
[BlackTeam "Stanford Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Qb6 5. Qb3 Nc6 6. Nf3 Bf5 7. Nh4 Be4 8. Nd2 e6 9. Nxe4 Nxe4 10. Bd3 g5 11. Bxe4 gxf4 12. Bf3 fxe3 13. fxe3 Be7 14. g3 Bxh4 15. gxh4 cxd4 16. Qxb6 axb6 17. exd4 Na5 18. Be2 Nc4 19. b3 Ne3 20. Kd2 Ng2 21. h5 Nf4 22. Bf3 Ke7 23. Rhg1 Rhg8 24. h6 Rxg1 25. Rxg1 Rxa2+ 26. Ke3 Ng6 27. h3 Ra3 28. Bd1 Ra2 29. Kf3 Rd2 30. Ke3 Rh2 31. Bg4 f5 32. Bf3 Rxh3 33. Kf2 Rxh6 34. Ke2 Rh3 35. Ke3 Nh4 36. Rf1 Kd6 37. Kf4 Rxf3+ 38. Rxf3 Nxf3 39. Kxf3 e5 40. dxe5+ Kxe5 41. Ke3 h5 42. Kf3 f4 43. b4 b5 44. Kg2 Ke4 45. Kf2 h4 46. Kg2 Ke3 47. Kf1 f3 48. c4 dxc4 49. Ke1 c3 50. Kd1 f2 51. Kc2 f1Q 52. Kxc3 Qc4+ 53. Kb2 Qxb4+ 54. Kc1 Qd2+ 55. Kb1 h3 56. Ka1 h2 57. Kb1 h1R# 0-1

[Event "US Collegiate Rapid"]
[Site "Lichess.org INT"]
[Date "2021.09.25"]
[Round "3.139"]
[White "Utiatskaja, Irina"]
[Black "Koch, Caleb"]
[Result "1-0"]
[ECO "B44"]
[WhiteElo "2184"]
[PlyCount "103"]
[EventDate "2021.09.25"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Missouri Univ"]
[BlackTeam "Stanford Univ"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "USA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. c4 a6 7. N5c3 Nf6 8. Be2 Be7 9. 0-0 h6 10. f3 0-0 11. Be3 Qc7 12. Nd2 Rd8 13. Qb3 Na5 14. Qb6 Qxb6 15. Bxb6 Nc6 16. Bxd8 Bxd8 17. Nb3 Bc7 18. Rfd1 Bd7 19. g3 Rc8 20. Kg2 Nb4 21. Rd2 Bb8 22. a3 Nc6 23. Rad1 Ne5 24. c5 dxc5 25. f4 Nxe4 26. Nxe4 Bc6 27. fxe5 Bxe4+ 28. Bf3 Bxf3+ 29. Kxf3 Bxe5 30. Rd8+ Rxd8 31. Rxd8+ Kh7 32. Nxc5 Bxb2 33. a4 b5 34. axb5 axb5 35. Rb8 Kg6 36. Rxb5 Bd4 37. Nb3 Bc3 38. g4 f5 39. Nc1 e5 40. Ne2 fxg4+ 41. Kxg4 h5+ 42. Kf3 Ba1 43. Rb1 e4+ 44. Kxe4 Bf6 45. Rg1+ Kf7 46. Kf5 h4 47. h3 Ke7 48. Rg4 Kd6 49. Nf4 Kc5 50. Nh5 Bd4 51. Nxg7 Kc4 52. Ne6 1-0

