[Event "Titled Tuesday intern op 17th May Late"]
[Site "Chess.com INT"]
[Date "2022.05.17"]
[Round "1"]
[White "Aggelis, Nikolaos"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2281"]
[BlackElo "2027"]
[PlyCount "53"]
[EventDate "2022.05.17"]
[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 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Ne4 6. Ne5 d6 7. Nd3 f5 8. Nd2 Nd7 9. Nf4 Qf6 10. c3 Be7 11. Qb3 Nxd2 12. Bxd2 Bxg2 13. Kxg2 d5 14. Qa4 Bd6 15. Qc6 Ke7 16. e3 h5 17. c4 Bxf4 18. exf4 Qxd4 19. Bb4+ Kd8 20. Qxa8+ Nb8 21. Qxb8+ Kd7 22. Qxh8 c5 23. Bc3 Qe4+ 24. Kg1 d4 25. Qxg7+ Kc6 26. Rfe1 Qf3 27. Rxe6# 1-0

[Event "Titled Tuesday intern op 17th May Late"]
[Site "Chess.com INT"]
[Date "2022.05.17"]
[Round "2"]
[White "Calderon, Zachary"]
[Black "Garcia, Erick G"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "2027"]
[BlackElo "2153"]
[PlyCount "46"]
[EventDate "2022.05.17"]
[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. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Bd3 Nc6 12. d5 exd5 13. exd5 Re8+ 14. Kf1 Ne5 15. Ng5 Nxd3 16. Nxh7 Kxh7 17. Qxd3+ Kg8 18. Qb5 Bd7 19. Qxb7 Qe7 20. Qa6 Qe5 21. Rd1 Rab8 22. h4 Rb2 23. h5 Bb5+ 0-1

[Event "Titled Tuesday intern op 17th May Late"]
[Site "Chess.com INT"]
[Date "2022.05.17"]
[Round "3"]
[White "Wachinger, Guenther"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "2215"]
[BlackElo "2027"]
[PlyCount "129"]
[EventDate "2022.05.17"]
[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 e6 2. d4 d5 3. Nd2 Be7 4. c3 c5 5. exd5 exd5 6. Bb5+ Nc6 7. dxc5 Bxc5 8. Ngf3 Nge7 9. 0-0 0-0 10. Nb3 Bb6 11. h3 Qd6 12. Nbd4 Nxd4 13. Nxd4 Nc6 14. Be3 Qg6 15. Bxc6 bxc6 16. Qf3 Bxd4 17. cxd4 Bf5 18. Rac1 Be4 19. Qg3 Qxg3 20. fxg3 Rab8 21. b3 Rb6 22. Bf4 a5 23. Bc7 Ra6 24. Rc5 a4 25. b4 Rc8 26. Bf4 a3 27. Rfc1 Ra4 28. Rxc6 Rxc6 29. Rxc6 f5 30. Bd6 Kf7 31. Rc1 Ke6 32. Bc5 Kd7 33. b5 Rc4 34. Rxc4 dxc4 35. Bxa3 Bb1 36. Kf2 Bxa2 37. Ke3 Kc7 38. Bc5 Bb1 39. h4 Be4 40. Kd2 Bxg2 41. Kc3 Bd5 42. Kd2 g6 43. Ke3 h6 44. Kf4 Be4 45. Ke3 g5 46. hxg5 hxg5 47. Kd2 f4 48. gxf4 gxf4 49. Kc3 Bd3 50. d5 f3 51. b6+ Kb7 52. d6 Bf5 53. Kxc4 Kc6 54. Kc3 Bc8 55. Kd2 Kxc5 56. d7 Bxd7 57. b7 f2 58. Ke2 Bb5+ 59. Kxf2 Bc6 60. b8Q Kd5 61. Ke3 Kc5 62. Qf4 Kd5 63. Qd4+ Ke6 64. Kf4 Bd5 65. Qe5+ 1-0

[Event "Titled Tuesday intern op 05th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.05"]
[Round "1"]
[White "Calderon, Zachary"]
[Black "Do Valle Cardoso, Lucas"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2027"]
[BlackElo "2242"]
[PlyCount "68"]
[EventDate "2022.04.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. g3 Nc6 4. d3 e5 5. Bg2 h6 6. 0-0 Nf6 7. Na3 Be7 8. Nc2 a5 9. Bd2 0-0 10. Rb1 Nd7 11. b4 axb4 12. Nxb4 Nxb4 13. Bxb4 Bxb4 14. Rxb4 Rxa2 15. Nd2 b6 16. f4 exf4 17. Rxf4 Re8 18. Rxd4 c5 19. Rxd7 Bxd7 20. Rb1 Bg4 21. Be4 Rxd2 22. Qxd2 Rxe4 23. Rxb6 Rxe2 24. Qf4 Qxd3 25. Rb1 Qxb1+ 26. Qc1 Rb2 27. h3 Bd1 28. Qe3 Be2+ 29. Kf2 Bxc4+ 30. Kf3 Rb3 31. Kf4 Rxe3 32. g4 Qd3 33. g5 Qd4+ 34. Kf5 Re5# 0-1

[Event "Titled Tuesday intern op 05th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.05"]
[Round "4"]
[White "Calderon, Zachary"]
[Black "Hernandez Bermudez, Ulises Eduardo"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "2027"]
[BlackElo "2042"]
[PlyCount "51"]
[EventDate "2022.04.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 e6 5. Nc2 d5 6. Nc3 Nc6 7. cxd5 exd5 8. Bg5 Bc5 9. e3 Be6 10. Be2 0-0 11. 0-0 Be7 12. Nd4 Nxd4 13. Qxd4 a6 14. Bf3 h6 15. Bf4 Rc8 16. Rac1 b5 17. Rfd1 Qd7 18. Qb6 Rc6 19. Qd4 Rfc8 20. Ne2 Rc4 21. Rxc4 Rxc4 22. Qb6 Qc8 23. Nd4 Nd7 24. Qxa6 Qxa6 25. Nxe6 fxe6 26. h3 0-1

[Event "Titled Tuesday intern op 05th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.05"]
[Round "3"]
[White "Calderon, Zachary"]
[Black "Jaferian, Koosha"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "2027"]
[BlackElo "2218"]
[PlyCount "76"]
[EventDate "2022.04.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 g6 4. Nc3 Bg7 5. d4 Nf6 6. h3 0-0 7. Bd3 e6 8. b3 a6 9. 0-0 b5 10. a4 b4 11. Ne2 a5 12. c5 Nbd7 13. Nd2 Ba6 14. Bxa6 Rxa6 15. f4 Ne8 16. Nf3 f5 17. Ne5 Nxe5 18. fxe5 Qd7 19. Bd2 g5 20. Be1 h6 21. h4 Qf7 22. hxg5 hxg5 23. g4 Qg6 24. Qd3 Ra7 25. gxf5 exf5 26. Ng3 Raf7 27. Rf2 Nc7 28. Bd2 Ne6 29. Raf1 Qh6 30. Rxf5 Qh3 31. R1f3 Rxf5 32. Nxf5 Qxf3 33. Ne7+ Kf7 34. Nxc6 Qg3+ 35. Kf1 Ke8+ 36. Ke2 Qg4+ 37. Ke1 Qg1+ 38. Ke2 Qf1# 0-1

[Event "Titled Tuesday intern op 05th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.05"]
[Round "6"]
[White "Calderon, Zachary"]
[Black "Levin, Anthony"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2027"]
[BlackElo "1996"]
[PlyCount "64"]
[EventDate "2022.04.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 h5 6. Nf3 Bg4 7. Qd2 Bxf3 8. gxf3 0-0 9. Bd3 c5 10. 0-0-0 cxd4 11. exd4 Nc6 12. Bh6 Rc8 13. Bxg7 Kxg7 14. Rhg1 Nb4 15. a3 Nxd3+ 16. Qxd3 e6 17. Rg5 Nh7 18. Re5 Qxh4 19. Qe3 Rh8 20. Rg1 Nf6 21. Ne2 Rc4 22. Nf4 Rhc8 23. c3 R4c6 24. Nxg6 fxg6 25. Qd3 Kf7 26. Qxg6+ Ke7 27. Qg7+ Kd6 28. Rg6 Qxd4 29. f4 Rxc3+ 30. bxc3 Rxc3+ 31. Kb2 Qd2+ 32. Kb1 Rc1# 0-1

[Event "Titled Tuesday intern op 05th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.05"]
[Round "2"]
[White "Galego, Luis"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2474"]
[BlackElo "2027"]
[PlyCount "155"]
[EventDate "2022.04.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 e5 4. e3 Nf6 5. Bxc4 exd4 6. exd4 Be7 7. Nf3 0-0 8. h3 c6 9. 0-0 Bf5 10. Re1 Nbd7 11. Bg5 Nb6 12. Bb3 h6 13. Bh4 Nfd5 14. Bxe7 Nxe7 15. Ne5 Ned5 16. Qf3 Qg5 17. Nxd5 Nxd5 18. Bxd5 cxd5 19. h4 Qf6 20. Rac1 Be4 21. Qxf6 gxf6 22. Nd7 Rfc8 23. Nxf6+ Kg7 24. Rxc8 Rxc8 25. Nxe4 dxe4 26. Rxe4 Rc1+ 27. Kh2 Rc2 28. d5 Rd2 29. Re7 Rxb2 30. d6 Rd2 31. Rxb7 Rxd6 32. Rxa7 Rd2 33. Kg3 Kg6 34. f3 h5 35. Ra6+ f6 36. a4 Ra2 37. Ra8 Kf5 38. a5 Ra4 39. a6 Ra1 40. a7 Ra3 41. Kf2 Kf4 42. g3+ Kf5 43. Rh8 Rxa7 44. Rxh5+ Kg6 45. Rd5 Ra2+ 46. Ke3 Ra3+ 47. Rd3 Ra1 48. g4 Re1+ 49. Kf4 Rh1 50. h5+ Kh6 51. Kf5 Ra1 52. Kxf6 Ra6+ 53. Ke5 Ra5+ 54. Rd5 Ra3 55. f4 Kg7 56. Rd7+ Kh8 57. g5 Ra5+ 58. Rd5 Ra7 59. f5 Ra8 60. f6 Re8+ 61. Kf5 Rf8 62. g6 Kg8 63. Kg5 Kh8 64. g7+ Kh7 65. gxf8N+ Kg8 66. Ng6 Kf7 67. Rd7+ Ke6 68. f7 Kxd7 69. f8Q Ke6 70. h6 Kd7 71. h7 Ke6 72. h8Q Kd7 73. Qhg7+ Ke6 74. Qge7+ Kd5 75. Qfd8+ Kc6 76. Qec7+ Kb5 77. Qdb8+ Ka6 78. Qca7# 1-0

[Event "Titled Tuesday intern op 05th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.05"]
[Round "7"]
[White "P, Komal Kishore"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2086"]
[BlackElo "2027"]
[PlyCount "37"]
[EventDate "2022.04.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. exd5 exd5 6. c3 Nc6 7. Ngf3 cxd4 8. cxd4 Bg4 9. Qb3 Nb4 10. Bb5+ Kf8 11. Ne5 Be6 12. 0-0 Nf6 13. a3 a6 14. Ba4 b5 15. axb4 bxa4 16. Rxa4 Qb6 17. b5 Qxb5 18. Qxb5 axb5 19. Rxa8+ 1-0

[Event "Titled Tuesday intern op 05th Apr Late"]
[Site "Chess.com INT"]
[Date "2022.04.05"]
[Round "5"]
[White "Tsukerman, Julia"]
[Black "Calderon, Zachary"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1523"]
[BlackElo "2027"]
[PlyCount "36"]
[EventDate "2022.04.05"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 c5 5. dxc5 Bxc5 6. c3 Ne7 7. Nf3 Bg4 8. Nbd2 Nbc6 9. Nb3 Bb6 10. Qe2 a5 11. Be3 Bc7 12. Nbd4 Ne5 13. Bb5+ N7c6 14. h3 Bxf3 15. Nxf3 0-0 16. 0-0 Qf6 17. Nxe5 Qxe5 18. Qd3 Qh2# 0-1

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "3"]
[White "Calderon, Zachary"]
[Black "Provaznik, Michal"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2027"]
[BlackElo "2121"]
[PlyCount "158"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 Nf6 3. e3 e6 4. Nf3 c5 5. Nbd2 Qb6 6. Nc4 Qd8 7. Nd6+ Bxd6 8. Bxd6 cxd4 9. exd4 Qb6 10. Ba3 d6 11. Bd3 0-0 12. 0-0 Bd7 13. Re1 Na6 14. Bc4 Rfe8 15. Ng5 d5 16. Bd3 Nb4 17. c3 Nxd3 18. Qxd3 h6 19. Nf3 Bb5 20. Qc2 Ne4 21. Ne5 Rac8 22. Qd1 Qd8 23. f3 Nf6 24. Qd2 Nh5 25. g3 f4 26. g4 Nf6 27. Qxf4 Rc7 28. Ng6 Nh7 29. Re5 Rf7 30. Qe3 Bd7 31. Re1 Ng5 32. Rf1 Qf6 33. Nh4 Ne4 34. Ng2 Ng5 35. h4 Nh3+ 36. Kh2 Nf4 37. Nxf4 Qxf4+ 38. Qxf4 Rxf4 39. Kg3 Rf7 40. Rfe1 g6 41. f4 Kg7 42. Bd6 Kh7 43. R1e2 Rg7 44. R5e3 Rf7 45. Re5 Rg7 46. R5e3 Rf7 47. Be5 Ref8 48. Rh2 Re8 49. g5 h5 50. Rhe2 Kg8 51. Bf6 Kf8 52. Be5 Rf5 53. Bd6+ Kf7 54. Re5 Rc8 55. Rxf5+ gxf5 56. Re5 Rc6 57. Bb4 b6 58. a4 a5 59. Ba3 Rc4 60. Kf3 Rxa4 61. Ke3 b5 62. Kd3 b4 63. cxb4 axb4 64. Kc2 bxa3 65. bxa3 Rxa3 66. Re2 Rg3 67. Kb2 Rf3 68. Rc2 Rxf4 69. Rc7 Ke7 70. g6 Rxh4 71. g7 Rg4 72. Ra7 Rxg7 73. Ka1 h4 74. Ra3 h3 75. Rb3 Rh7 76. Ka2 h2 77. Rb1 h1Q 78. Rb2 Qe4 79. Ka3 Rh8 0-1

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "5"]
[White "Calderon, Zachary"]
[Black "Simonovic, Miroslav"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2027"]
[BlackElo "2115"]
[PlyCount "89"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 cxd4 4. exd4 g6 5. Nc3 Bg7 6. Qd2 0-0 7. Bh6 Qa5 8. Bxg7 Kxg7 9. h4 h5 10. Nf3 d5 11. Ne5 Nc6 12. Nxc6 bxc6 13. a3 Rb8 14. b3 Ba6 15. Bxa6 Qxa6 16. Qe2 Qb6 17. Qd2 c5 18. Na4 Qe6+ 19. Kf1 c4 20. Nc5 Qf5 21. b4 Rbd8 22. Rh3 Ne4 23. Nxe4 dxe4 24. c3 e5 25. d5 Rd6 26. Rd1 Rfd8 27. Re3 Qf4 28. g3 Qg4 29. Kg2 Rxd5 30. Qxd5 Qxd1 31. Qxd1 Rxd1 32. Rxe4 Ra1 33. Rxc4 Rxa3 34. Rc5 Kf6 35. b5 Kf5 36. c4 f6 37. Rc7 Rc3 38. c5 Rb3 39. Rb7 e4 40. c6 Rb2 41. c7 Rc2 42. Rxa7 e3 43. b6 Rxf2+ 44. Kg1 Rc2 45. Ra2 1-0

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "1"]
[White "Calderon, Zachary"]
[Black "Sowa, Ryan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2027"]
[BlackElo "2067"]
[PlyCount "84"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nd2 c5 5. Ngf3 Nc6 6. c3 cxd4 7. exd4 Nh5 8. Bg5 Qc7 9. g3 f6 10. Be3 g6 11. Be2 Bd6 12. Bh6 Ng7 13. Bxg7 Qxg7 14. h4 e5 15. dxe5 fxe5 16. Ng5 h6 17. Nh3 Bd7 18. Bg4 0-0-0 19. Bxd7+ Qxd7 20. Nb3 e4 21. Qxd5 e3 22. 0-0-0 exf2 23. Rhf1 Bxg3 24. Qxd7+ Rxd7 25. Rxd7 Kxd7 26. Nc5+ Kc8 27. h5 gxh5 28. Ne4 h4 29. Nexf2 Rf8 30. Kd2 Ne5 31. Ke2 Bxf2 32. Rxf2 Rxf2+ 33. Nxf2 Kd7 34. b3 Ke6 35. Ke3 Kf5 36. c4 Ng4+ 37. Kf3 Nxf2 38. Kxf2 Ke4 39. b4 Kd4 40. c5 Kc4 41. a3 a6 42. Kg2 Kb3 0-1

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "6"]
[White "Calderon, Zachary"]
[Black "Stepanencu, Nicodim Cosmin"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2027"]
[BlackElo "2334"]
[PlyCount "82"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 g6 2. Bf4 Bg7 3. Nf3 Nf6 4. e3 0-0 5. Be2 d6 6. h3 Nbd7 7. 0-0 b6 8. Bh2 Bb7 9. c4 c5 10. Nc3 cxd4 11. exd4 Ne4 12. Qc2 Ndf6 13. Nxe4 Bxe4 14. Qc3 Rc8 15. Nd2 Bb7 16. Bf3 d5 17. b3 Qd7 18. a4 Rfd8 19. Be5 Ne4 20. Bxe4 Bxe5 21. dxe5 dxe4 22. Rad1 Qf5 23. Nb1 Qg5 24. Qe3 Qxe5 25. Nc3 f5 26. Rxd8+ Rxd8 27. Rd1 Rxd1+ 28. Nxd1 Qd6 29. Nc3 Qb4 30. Ne2 Qe1+ 31. Kh2 Qd1 32. Nf4 e5 33. Ne6 f4 34. Qc3 Qd6 35. Ng5 h6 36. c5 bxc5 37. Qxe5 Qxe5 38. Nf3 exf3 39. gxf3 Bxf3 40. b4 Qe1 41. bxc5 Qh1# 0-1

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "9"]
[White "Calderon, Zachary"]
[Black "Vajda, Szidonia"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2027"]
[BlackElo "2315"]
[PlyCount "78"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 Nc6 5. Nbd2 Qb6 6. dxc5 Qxb2 7. Rb1 Qc3 8. Bb5 e6 9. 0-0 Be7 10. Be5 Qxc5 11. c4 0-0 12. cxd5 exd5 13. Nd4 Nxe5 14. N2b3 Qd6 15. f4 Nc6 16. Bd3 Nxd4 17. Nxd4 Ne4 18. Qf3 f5 19. Qh5 g6 20. Qh6 Bf6 21. Nf3 Bg7 22. Qh4 Qf6 23. Qe1 Re8 24. Ne5 Rxe5 25. fxe5 Qxe5 26. Bxe4 dxe4 27. Qc1 Qc3 28. Qd1 Qxe3+ 29. Kh1 Qd4 30. Qb3+ Kh8 31. Rfd1 Qf6 32. Qb5 Be6 33. Qxb7 Rf8 34. Qxa7 f4 35. Rb8 f3 36. gxf3 Qxf3+ 37. Kg1 Qxd1+ 38. Kg2 Qf1+ 39. Kg3 Qf3+ 0-1

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "8"]
[White "De Arruda, Leandro Formes"]
[Black "Calderon, Zachary"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2038"]
[BlackElo "2027"]
[PlyCount "114"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 b6 4. c3 Bb7 5. Bd3 e6 6. Nbd2 Be7 7. 0-0 0-0 8. b3 d6 9. Bb2 Nbd7 10. Re1 Rc8 11. e4 cxd4 12. cxd4 Rc7 13. Nf1 Qa8 14. Ng3 Rfc8 15. Qe2 d5 16. e5 Ne4 17. Nxe4 dxe4 18. Bxe4 Bxe4 19. Qxe4 Qxe4 20. Rxe4 Rc2 21. Rb1 b5 22. Kf1 Nb6 23. Re2 Nd5 24. Ne1 Rxe2 25. Kxe2 Nf4+ 26. Kf3 Nd5 27. Rc1 Rxc1 28. Bxc1 Kf8 29. Bb2 Ke8 30. Nd3 Kd7 31. Ke4 Kc6 32. f4 g6 33. g4 Bb4 34. f5 Bc3 35. Bc1 gxf5+ 36. gxf5 exf5+ 37. Kxf5 Bxd4 38. h4 a5 39. Bd2 a4 40. bxa4 bxa4 41. e6 fxe6+ 42. Kxe6 Nc3 43. a3 Nb5 44. Bb4 Nc7+ 45. Kf7 Nd5 46. Bf8 Bf6 47. Kg8 Bxh4 48. Kxh7 Bg3 49. Kg6 Bd6 50. Bxd6 Kxd6 51. Nb2 Nc3 52. Nxa4 Nxa4 53. Kf5 Kd5 54. Kf4 Kd4 55. Kf3 Kc3 56. Kf4 Kb3 57. Ke4 Kxa3 1/2-1/2

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "7"]
[White "Mihok, Oliver"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2547"]
[BlackElo "2027"]
[PlyCount "61"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. exd5 exd5 5. Nf3 Nc6 6. 0-0 Bd6 7. dxc5 Bxc5 8. Nbd2 Nge7 9. h3 Qd6 10. Nb3 Bb6 11. c3 Bxh3 12. gxh3 Qg3+ 13. Kh1 Qxh3+ 14. Nh2 Bc7 15. f4 0-0-0 16. Qf3 Qd7 17. Be3 Kb8 18. Rad1 h5 19. Rg1 g6 20. Nd4 h4 21. Nb5 Rde8 22. Nxc7 Qxc7 23. f5 Ne5 24. Qf2 Nxd3 25. Rxd3 Ka8 26. Bf4 Qc6 27. Qf3 Nxf5 28. Qxd5 Qa4 29. c4 Qxa2 30. Ra3 Qxb2 31. Rxa7+ 1-0

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "2"]
[White "Poormosavi, Seyed Kian"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2262"]
[BlackElo "2027"]
[PlyCount "79"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 g6 4. d5 d6 5. Nc3 Bg7 6. e4 Bg4 7. Be2 0-0 8. 0-0 Na6 9. h3 Bxf3 10. Bxf3 Nd7 11. Be2 Nc7 12. f4 Bd4+ 13. Kh1 a6 14. a4 Rb8 15. a5 b5 16. axb6 Rxb6 17. Qe1 Qb8 18. Ra2 Rb4 19. Bd3 Nb6 20. Qe2 Ne8 21. Rxa6 Qb7 22. Ra2 Ng7 23. Nb5 Ra8 24. Rxa8+ Qxa8 25. Nxd4 cxd4 26. e5 Qb8 27. exd6 Qxd6 28. Qc2 Qc5 29. b3 Ne8 30. Ba3 Nc7 31. Re1 Kf8 32. Qd2 Na6 33. f5 Qa5 34. Bxb4 Nxb4 35. fxg6 hxg6 36. Qh6+ Kg8 37. Rxe7 Qa8 38. Bxg6 Qa1+ 39. Kh2 d3 40. Re8# 1-0

[Event "Titled Tuesday intern op 04th Jan"]
[Site "Chess.com INT"]
[Date "2022.01.04"]
[Round "4"]
[White "Zavivaeva, Emilia"]
[Black "Calderon, Zachary"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "1650"]
[BlackElo "2027"]
[PlyCount "80"]
[EventDate "2022.01.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 dxe4 5. Nxe4 Qxd4 6. Bd3 Bxd2+ 7. Nxd2 Nf6 8. Ngf3 Qd8 9. 0-0 Nbd7 10. Nc4 0-0 11. Nce5 Nxe5 12. Nxe5 Qd5 13. Qe2 Bd7 14. Rad1 Qxa2 15. Nxd7 Nxd7 16. Bc4 Qxb2 17. Rxd7 c6 18. Rfd1 a5 19. Bd3 a4 20. Qe1 a3 21. Rb1 Qf6 22. Rdxb7 a2 23. Ra1 Qd4 24. h3 c5 25. Be4 g6 26. c3 Qd6 27. Rb2 Ra4 28. Rbxa2 Rxa2 29. Rxa2 f5 30. Bf3 e5 31. Be2 Kg7 32. Ra7+ Kh6 33. Bc4 e4 34. Qe3+ f4 35. Qxe4 f3 36. gxf3 Qd1+ 37. Kg2 Rf5 38. Qg4 Rg5 39. Be2 Rxg4+ 40. hxg4 Qd6 0-1

[Event "Titled Tuesday intern op 21st Sept"]
[Site "Chess.com INT"]
[Date "2021.09.21"]
[Round "2"]
[White "Calderon, Zachary"]
[Black "Erzhanov, Arman"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2027"]
[BlackElo "2229"]
[PlyCount "46"]
[EventDate "2021.09.21"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 g6 3. c4 Bg7 4. Nc3 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Bg5+ f6 8. 0-0-0+ Nd7 9. Bh4 Ne7 10. Nd5 Nxd5 11. Rxd5 c6 12. Rd1 Kc7 13. e3 Nc5 14. Be2 Be6 15. Bg3 a5 16. Nd4 Bd7 17. Nb3 Nxb3+ 18. axb3 Rhe8 19. f4 f5 20. c5 e4 21. Bh4 Bf8 22. g4 Bxc5 23. Bf2 fxg4 0-1

[Event "Titled Tuesday intern op 21st Sept"]
[Site "Chess.com INT"]
[Date "2021.09.21"]
[Round "1"]
[White "Spyropoulos, Nikolaos"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2445"]
[BlackElo "2027"]
[PlyCount "89"]
[EventDate "2021.09.21"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. Nxf6+ Bxf6 8. Be3 b6 9. Qd2 Bb7 10. Nf4 Nd7 11. 0-0-0 0-0 12. h4 c5 13. d5 exd5 14. Nxd5 Bxd5 15. Qxd5 Ne5 16. Qe4 Qe7 17. g4 Ng6 18. Bg2 Qxe4 19. Bxe4 Rad8 20. g5 Be5 21. h5 Nf4 22. Rde1 Ne6 23. Kb1 Bf4 24. g6 fxg6 25. hxg6 h6 26. Bd3 Bxe3 27. Rxe3 Nf4 28. Bc4+ Kh8 29. Re7 Nxg6 30. Rxa7 Rxf2 31. Rg1 Rf6 32. a4 Rdd6 33. b3 h5 34. Kb2 h4 35. Rc7 h3 36. Rh1 Nf4 37. Re7 g5 38. Re5 g4 39. Rg5 Rg6 40. Rf5 Ng2 41. Rg1 Ne3 42. Rh5+ Kg7 43. Bd3 g3 44. Rxh3 Rg5 45. Rhxg3 1-0

[Event "Titled Tuesday intern op 07th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.07"]
[Round "7"]
[White "Calderon, Zachary"]
[Black "Carroll, Thomas"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2027"]
[BlackElo "2033"]
[PlyCount "49"]
[EventDate "2021.09.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. d6 0-0 8. Nc7 Ne4 9. e3 Bb4+ 10. Bd2 Qxd6 11. Nxa8 Bg4 12. Be2 Bxe2 13. Qxe2 Nxd2 14. Nxd2 Nc6 15. Rd1 Rxa8 16. 0-0 Qe6 17. Qc4 Qg6 18. Qe4 Qe6 19. Nc4 Re8 20. Qd5 Qg4 21. a3 Rd8 22. Nxe5 Qc8 23. Qxf7+ Kh8 24. Rxd8+ Nxd8 25. Qe8+ 1-0

[Event "Titled Tuesday intern op 07th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.07"]
[Round "9"]
[White "Calderon, Zachary"]
[Black "Estrada Nieto, Julian"]
[Result "1/2-1/2"]
[ECO "A09"]
[WhiteElo "2027"]
[BlackElo "2280"]
[PlyCount "121"]
[EventDate "2021.09.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 d4 3. d3 Nc6 4. g3 e5 5. Bg2 Bb4+ 6. Bd2 a5 7. a3 Bxd2+ 8. Nbxd2 Nf6 9. 0-0 a4 10. Ng5 0-0 11. Nge4 Nd7 12. b4 f5 13. Nc5 Nxc5 14. bxc5 Qe7 15. Bd5+ Kh8 16. Rb1 Qxc5 17. Rb5 Qxa3 18. Bxc6 bxc6 19. Rxe5 f4 20. Qa1 Qd6 21. Re4 c5 22. Nf3 Bb7 23. Ng5 Qg6 24. h4 Bxe4 25. Nxe4 Qf5 26. Qa3 fxg3 27. Nxg3 Qe5 28. Ne4 Rf5 29. Rb1 h6 30. Rb5 Qf4 31. Rxc5 Qg4+ 32. Ng3 Rxc5 33. Qxc5 Qxh4 34. Qc6 Rb8 35. Qxa4 Qg4 36. Kg2 h5 37. f3 Qg5 38. Kf2 Qe3+ 39. Kg2 Qg5 40. Kf2 Rb2 41. Qd7 h4 42. Qe8+ Kh7 43. Qh5+ Qxh5 44. Nxh5 h3 45. Ng3 h2 46. Kg2 Rb1 47. Kxh2 Kg6 48. Kg2 Kg5 49. Kf2 Kf4 50. Nh5+ Ke5 51. Nxg7 c5 52. Nh5 Rb2 53. Ng3 Kf4 54. Ne4 Ra2 55. Nxc5 Ra1 56. Ne6+ Ke5 57. Ng5 Ra2 58. Ne4 Kf4 59. Nc5 Ke5 60. Ne4 Kf4 61. Nc5 1/2-1/2

[Event "Titled Tuesday intern op 07th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.07"]
[Round "11"]
[White "Calderon, Zachary"]
[Black "Martin Duque, Jesus"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2027"]
[BlackElo "2414"]
[PlyCount "97"]
[EventDate "2021.09.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[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. Bg2 Be7 5. 0-0 0-0 6. b3 c5 7. cxd5 Nxd5 8. Bb2 b6 9. Nc3 Bb7 10. Nxd5 Bxd5 11. d4 cxd4 12. Nxd4 Bxg2 13. Kxg2 Qd5+ 14. f3 Nc6 15. e4 Qd7 16. Nxc6 Qxc6 17. Rc1 Qb7 18. Qe2 Rac8 19. Rfd1 Rxc1 20. Bxc1 Rc8 21. Bb2 h6 22. Rc1 Rxc1 23. Bxc1 Qc6 24. Bb2 b5 25. Qd2 a6 26. Qc3 Qxc3 27. Bxc3 f5 28. Kf2 fxe4 29. fxe4 Bc5+ 30. Kf3 Kf7 31. g4 g6 32. a4 h5 33. axb5 axb5 34. gxh5 gxh5 35. Kf4 Be7 36. h3 Kg6 37. Bb2 Bd6+ 38. Be5 Be7 39. Bb8 Bf6 40. Be5 Bg5+ 41. Kf3 Bc1 42. Bb8 Kf6 43. Bd6 Kg6 44. Bb8 Kf6 45. Bd6 Bd2 46. Bc7 Ke7 47. Bb8 Kf6 48. Bc7 Bc1 49. Bd6 1/2-1/2

[Event "Titled Tuesday intern op 07th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.07"]
[Round "4"]
[White "Calderon, Zachary"]
[Black "Pacheco Lugo, Alejandro Jose"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2027"]
[BlackElo "2127"]
[PlyCount "56"]
[EventDate "2021.09.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. b3 b6 7. Ne5 Bb7 8. Bb2 c5 9. cxd5 Nxd5 10. Nc3 Nxc3 11. Bxc3 Bxg2 12. Kxg2 Bf6 13. Nf3 Nc6 14. Qc2 Rc8 15. Rac1 Nd4 16. Bxd4 cxd4 17. Qe4 Qd6 18. g4 h6 19. h4 g6 20. g5 hxg5 21. hxg5 Bg7 22. Qh4 e5 23. Rh1 Rfe8 24. Qh7+ Kf8 25. d3 Qa3 26. Nd2 Rxc1 27. Rxc1 Qxc1 28. Ne4 Qf4 0-1

[Event "Titled Tuesday intern op 07th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.07"]
[Round "1"]
[White "Calderon, Zachary"]
[Black "Pastar, Slaven"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2027"]
[BlackElo "2321"]
[PlyCount "103"]
[EventDate "2021.09.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 b6 2. c4 Bb7 3. g3 g6 4. Bg2 Bg7 5. 0-0 d6 6. Nc3 e5 7. d4 exd4 8. Nxd4 Bxg2 9. Kxg2 Ne7 10. b3 Nbc6 11. Nxc6 Nxc6 12. Bb2 0-0 13. Qd2 Re8 14. Rad1 a5 15. Nd5 Bxb2 16. Qxb2 Re6 17. f4 f5 18. e4 fxe4 19. f5 gxf5 20. Rxf5 Ne5 21. Rdf1 c6 22. Nf6+ Kh8 23. Nxe4 Qe7 24. Ng5 Rg6 25. Nf7+ Kg8 26. Nxe5 dxe5 27. Rxe5 Qd7 28. Qe2 Rd8 29. Re1 Qd2 30. Re8+ Kg7 31. Rxd8 Qxd8 32. Qe7+ Qxe7 33. Rxe7+ Kh6 34. Rb7 c5 35. Rd7 Re6 36. Kf3 Kg6 37. Kf4 h5 38. h3 Kf6 39. g4 hxg4 40. hxg4 Kg6 41. Rd8 Rc6 42. Ke5 Kg5 43. Rd6 Rc8 44. Rxb6 Kxg4 45. Rb5 Re8+ 46. Kd5 Kf4 47. Kxc5 a4 48. bxa4 Ke5 49. Kb4+ Kd6 50. a5 Kc7 51. a6 Re2 52. a4 1-0

[Event "Titled Tuesday intern op 07th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.07"]
[Round "2"]
[White "Katz, Alexander R"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "2396"]
[BlackElo "2027"]
[PlyCount "37"]
[EventDate "2021.09.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Ngf3 c5 5. exd5 exd5 6. Be2 Nc6 7. 0-0 Nf6 8. Re1 Be7 9. dxc5 0-0 10. Nb3 Ne4 11. Be3 f5 12. c4 Be6 13. Nbd4 Qd7 14. Nxe6 Qxe6 15. cxd5 Qg6 16. dxc6 f4 17. Bd4 Rad8 18. c7 Rd7 19. Ne5 1-0

[Event "Titled Tuesday intern op 07th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.07"]
[Round "3"]
[White "Roman, Rodrigo"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2071"]
[BlackElo "2027"]
[PlyCount "97"]
[EventDate "2021.09.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. Bg5 Be7 4. Bxe7 Qxe7 5. c3 Nf6 6. Nbd2 Nbd7 7. e3 e5 8. Nxe5 Nxe5 9. dxe5 Qxe5 10. Bd3 Bg4 11. Qb3 0-0-0 12. h3 Bh5 13. 0-0 Kb8 14. a4 Ne4 15. Nxe4 dxe4 16. Ba6 Qd5 17. Bc4 Qf5 18. Qb5 Qxb5 19. axb5 Rd2 20. g4 Bg6 21. Ra2 Rhd8 22. Rfa1 Rd1+ 23. Kg2 Rxa1 24. Rxa1 Rd2 25. h4 f5 26. h5 Be8 27. h6 gxh6 28. gxf5 Rd6 29. Kg3 Rf6 30. Rd1 c6 31. Rd8+ Kc7 32. Rxe8 cxb5 33. Be6 Kd6 34. Rh8 a5 35. Rxh7 b6 36. Rd7+ Kc5 37. Rd5+ Kc6 38. Rd8 b4 39. cxb4 a4 40. Rd4 Kb5 41. Rxe4 h5 42. Kf4 h4 43. Kg5 Rf8 44. Rxh4 a3 45. bxa3 Ka4 46. f6 b5 47. f7 Rxf7 48. Bxf7 Kxa3 49. Be8 1-0

[Event "Titled Tuesday intern op 07th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.07"]
[Round "10"]
[White "Terletsky, Oleg"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "2164"]
[BlackElo "2027"]
[PlyCount "77"]
[EventDate "2021.09.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bd6 10. Re1 0-0 11. Bd3 h6 12. Nfd4 a5 13. a4 Nb4 14. Bf1 b6 15. c3 Nbc6 16. Nxc6 Nxc6 17. Nd4 Nxd4 18. Qxd4 Bc5 19. Qf4 Bb7 20. Qg3 Qf6 21. Bf4 Rfe8 22. Bb5 Re4 23. Be5 Bxf2+ 24. Qxf2 Qxe5 25. Rxe4 Qxe4 26. Re1 Qg6 27. Re7 Qb1+ 28. Bf1 Qg6 29. Rxb7 Re8 30. Rxb6 Qg4 31. h3 Qd1 32. Rb7 Qh5 33. Kh2 f6 34. Bd3 Qe5+ 35. Kg1 h5 36. Qf5 Qe1+ 37. Kh2 Qe5+ 38. Qxe5 Rxe5 39. Bg6 1-0

[Event "Titled Tuesday intern op 07th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.07"]
[Round "6"]
[White "Tsyhanchuk, Stanislav"]
[Black "Calderon, Zachary"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2283"]
[BlackElo "2027"]
[PlyCount "82"]
[EventDate "2021.09.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 Qc7 8. Bd3 Nbc6 9. Nf3 c4 10. Be2 0-0 11. h4 f5 12. Qg3 Bd7 13. h5 Nd8 14. h6 g6 15. Bg5 Ba4 16. Kd2 Nec6 17. Bf6 Nf7 18. Nh4 Nh8 19. Bh5 Rxf6 20. exf6 Qxg3 21. fxg3 gxh5 22. Rab1 b6 23. Nf3 Ng6 24. Ng5 Nd8 25. Rbe1 Bd7 26. Rxh5 Nf8 27. Nf3 Nf7 28. Ne5 Nxe5 29. dxe5 Kf7 30. Rg5 Ng6 31. Ke3 Rg8 32. Kd4 Nxe5 33. Rxg8 Nc6+ 34. Ke3 Kxg8 35. Kf4 Kf7 36. Kg5 Nd8 37. a4 Bxa4 38. Ra1 b5 39. g4 fxg4 40. Rf1 Bxc2 41. Rf2 Nc6 0-1

[Event "Titled Tuesday intern op 07th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.07"]
[Round "8"]
[White "Yang, Kevin S"]
[Black "Calderon, Zachary"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2122"]
[BlackElo "2027"]
[PlyCount "85"]
[EventDate "2021.09.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 a6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 c5 7. dxc5 Bxc5 8. Nf3 Nc6 9. a3 0-0 10. Be2 d4 11. exd4 Nxd4 12. Nxd4 Bxd4 13. 0-0 Qb6 14. Na4 Qa7 15. Rc1 b5 16. Rc7 Bb7 17. Bf3 bxa4 18. Rxb7 Qc5 19. Rb4 Rad8 20. Qxa4 Rfe8 21. Bg3 Ne4 22. Bxe4 Rxe4 23. Rd1 h5 24. Rc4 Bxf2+ 25. Bxf2 Rxd1+ 26. Qxd1 Qxc4 27. h4 Qe2 28. Qd8+ Kh7 29. Qg5 Qg4 30. Qd5 Rf4 31. Qd3+ g6 32. Bg3 Rd4 33. Qe3 Rd1+ 34. Kh2 Rd4 35. Qe7 Qf5 36. Qe8 Re4 37. Qb8 Rg4 38. Be5 Rxh4+ 39. Kg3 Rg4+ 40. Kh2 Rh4+ 41. Kg3 Qg4+ 42. Kf2 Qf5+ 43. Kg3 1/2-1/2

[Event "Titled Tuesday intern op 07th Sept"]
[Site "Chess.com INT"]
[Date "2021.09.07"]
[Round "5"]
[White "Zong, Davis Jr"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2141"]
[BlackElo "2027"]
[PlyCount "51"]
[EventDate "2021.09.07"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. f4 b6 6. Nf3 Ba6 7. Bxa6 Nxa6 8. Qd3 Nb8 9. a3 Bxc3+ 10. Qxc3 Nd7 11. Qd3 c5 12. c4 Rc8 13. cxd5 Nxd5 14. 0-0 cxd4 15. Qxd4 0-0 16. f5 Qc7 17. Qg4 Nxe5 18. Nxe5 Qxe5 19. Bg5 Ne3 20. Qe2 Nc4 21. Qg4 exf5 22. Rxf5 Qxb2 23. Raf1 Nd6 24. Bf6 Nxf5 25. Bxb2 g6 26. Rxf5 1-0

[Event "Titled Tuesday intern op 10th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.10"]
[Round "5"]
[White "Abdulla, Murad"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2287"]
[BlackElo "2059"]
[PlyCount "126"]
[EventDate "2021.08.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. dxc5 a5 7. exd5 Qxd5 8. 0-0 Na6 9. Nc4 Bxc5 10. Bg5 Nb4 11. Be2 Qxd1 12. Bxd1 Ne4 13. Bc1 Bd7 14. Nce5 Bb5 15. c4 Bc6 16. a3 Na6 17. Nxc6 bxc6 18. Ba4 Rc8 19. Ne5 Nb8 20. b4 axb4 21. axb4 Bd4 22. Nxc6 Nxc6 23. Bxc6+ Rxc6 24. Ra8+ Ke7 25. Rxh8 Rxc4 26. Rxh7 Nxf2 27. Bg5+ f6 28. Bh4 Ne4+ 29. Kh1 Kf7 30. b5 Rb4 31. Re1 Nd6 32. Bg3 Nf5 33. Bf4 Rxb5 34. g4 Ne7 35. Be3 Bxe3 36. Rxe3 Ng6 37. Rhh3 Rg5 38. Rhg3 Ne5 39. Re4 Nd7 40. h4 Re5 41. Rd4 Nf8 42. Kg2 Re2+ 43. Kf3 Rh2 44. h5 e5 45. Rd1 Ne6 46. Rg2 Rxg2 47. Kxg2 Nf4+ 48. Kf3 Ne6 49. Ke4 Ng5+ 50. Kf5 Nf3 51. Rd7+ Kg8 52. h6 Nh4+ 53. Ke6 gxh6 54. Kxf6 e4 55. Re7 e3 56. Rxe3 Ng2 57. Re4 Kh7 58. g5 hxg5 59. Kxg5 Kg7 60. Kg4 Kf6 61. Kg3 Kf5 62. Re2 Ne3 63. Rxe3 Kf6 1-0

[Event "Titled Tuesday intern op 10th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.10"]
[Round "1"]
[White "Bharath, Subramaniyam H"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2435"]
[BlackElo "2059"]
[PlyCount "115"]
[EventDate "2021.08.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 d5 3. exd5 Nf6 4. dxe6 Bxe6 5. Nc3 Nc6 6. Nf3 Bc5 7. d3 Qe7 8. Be3 0-0-0 9. 0-0-0 Rhe8 10. h3 h6 11. g3 g5 12. Bg2 Bb4 13. Bd2 Qc5 14. Ne4 Nxe4 15. dxe4 Bxa2 16. Bxb4 Nxb4 17. Rxd8+ Rxd8 18. Rd1 Rxd1+ 19. Kxd1 Bb1 20. Ne1 a5 21. Qd2 a4 22. Bf3 b5 23. Bg4+ Kb7 24. Kc1 Ba2 25. Nd3 Nxd3+ 26. Qxd3 Bc4 27. Qd8 Kb6 28. Qb8+ Ka5 29. c3 Qb6 30. Qa8+ Qa6 31. Qd8 Qd6 32. Qa8+ Qa6 33. Qf8 Qc6 34. Qb4+ Kb6 35. Bf3 Qc5 36. Qxc5+ Kxc5 37. Kd2 Kd6 38. Ke3 Ke5 39. Bd1 c5 40. f4+ gxf4+ 41. gxf4+ Kd6 42. e5+ Kc6 43. f5 b4 44. Bxa4+ Kc7 45. cxb4 cxb4 46. Kf4 Kd8 47. e6 fxe6 48. f6 b3 49. Ke5 Bd3 50. Kxe6 Bc4+ 51. Kd6 Bd3 52. Bxb3 Bg6 53. Be6 Bh5 54. b4 Bg6 55. b5 Bh5 56. b6 Bg6 57. b7 Be4 58. b8Q# 1-0

[Event "Titled Tuesday intern op 10th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.10"]
[Round "11"]
[White "Butolo, Alexandru Mircea"]
[Black "Calderon, Zachary"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1779"]
[BlackElo "2059"]
[PlyCount "42"]
[EventDate "2021.08.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 Be7 5. Bg2 c5 6. Ngf3 Nc6 7. 0-0 Qc7 8. Re1 b6 9. Nf1 Bb7 10. h4 0-0-0 11. Bf4 e5 12. exd5 exf4 13. dxc6 Bxc6 14. Ne5 Bxg2 15. Kxg2 Bd6 16. gxf4 Nd5 17. Qf3 Qb7 18. Ne3 Nxf4+ 19. Kg3 Bxe5 20. Qxb7+ Kxb7 21. Ng4 Bd6 0-1

[Event "Titled Tuesday intern op 10th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.10"]
[Round "10"]
[White "Calderon, Zachary"]
[Black "Ambrogi, Agustin Tomas"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2059"]
[BlackElo "2280"]
[PlyCount "78"]
[EventDate "2021.08.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. d4 c6 7. 0-0 Qa5 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 e5 11. Be3 Na6 12. a3 Qc7 13. b4 exd4 14. Bxd4 c5 15. bxc5 Nxc5 16. Nd5 Nxd5 17. cxd5 Bxd4 18. Qxd4 Nb3 19. Qf6 Nxa1 20. Rxa1 Rfe8 21. h4 Re5 22. h5 Qe7 23. Qf4 Qg5 24. hxg6 hxg6 25. Rb1 b6 26. Rc1 Qxf4 27. gxf4 Re7 28. Kf1 f5 29. exf5 gxf5 30. Rc6 Rd8 31. a4 Rh7 32. a5 bxa5 33. Ra6 Rh4 34. Rxa5 Rxf4 35. Bg2 Rd7 36. Ke2 Kg7 37. Ra3 Kf6 38. Re3 Re7 39. Rxe7 Kxe7 0-1

[Event "Titled Tuesday intern op 10th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.10"]
[Round "6"]
[White "Calderon, Zachary"]
[Black "Pein, Jonathan"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2059"]
[BlackElo "2254"]
[PlyCount "103"]
[EventDate "2021.08.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. g3 e5 5. d3 Ne7 6. Bg2 Nbc6 7. 0-0 0-0 8. Rb1 a5 9. a3 h6 10. Ne1 d6 11. Nc2 f5 12. b4 axb4 13. axb4 e4 14. Nd5 Nxd5 15. cxd5 Nxb4 16. Nxb4 cxb4 17. dxe4 fxe4 18. Bxe4 Bh3 19. Bg2 Bxg2 20. Kxg2 Qa5 21. Bb2 Rae8 22. Bxg7 Kxg7 23. Qd4+ Kg8 24. e3 Re5 25. Rfd1 Rfe8 26. Qxb4 Qxb4 27. Rxb4 R8e7 28. Rb6 Rd7 29. Rd4 g5 30. e4 g4 31. h3 h5 32. hxg4 hxg4 33. Kf1 Rde7 34. Rxd6 Rxe4 35. Rxe4 Rxe4 36. Rd7 Rd4 37. d6 Kf8 38. Rxb7 Rxd6 39. Rb4 Rg6 40. Rb7 Re6 41. Kg2 Re4 42. Rb3 Kf7 43. Re3 Rxe3 44. fxe3 Ke6 45. Kf2 Kf5 46. Kf1 Ke5 47. Ke1 Kf5 48. Kd2 Ke5 49. Kd3 Kd5 50. e4+ Ke5 51. Ke3 Ke6 52. Kf4 1-0

[Event "Titled Tuesday intern op 10th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.10"]
[Round "7"]
[White "Calderon, Zachary"]
[Black "Silva, Miguel Antonio Neto"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2059"]
[BlackElo "2228"]
[PlyCount "74"]
[EventDate "2021.08.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 5. g3 Qb6 6. Nb3 Ne5 7. c5 Qc6 8. f3 b6 9. cxb6 axb6 10. Bg2 d5 11. 0-0 Nf6 12. Nc3 Ba6 13. Nd4 Bc5 14. Be3 Qd7 15. Bf2 0-0 16. Nb3 Bxf2+ 17. Rxf2 Nc4 18. Rb1 Rac8 19. Qe1 Ne3 20. Bh3 d4 21. Nd1 Rfd8 22. Nxe3 dxe3 23. Rf1 Rc2 24. Rd1 Qxd1 25. Qxd1 Rxd1 26. Rxd1 g6 27. Rd8+ Kg7 28. Rd6 Bxe2 29. Bf1 Bxf3 30. Nd4 Rd2 31. Nb5 Rxb2 32. Nc7 e2 33. Bxe2 Rxe2 34. Rxb6 Rg2+ 35. Kf1 Ng4 36. Ra6 Ne3+ 37. Ke1 Re2# 0-1

[Event "Titled Tuesday intern op 10th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.10"]
[Round "2"]
[White "Calderon, Zachary"]
[Black "Sokolin, Leonid M"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2059"]
[BlackElo "2482"]
[PlyCount "57"]
[EventDate "2021.08.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 0-0 6. d4 dxc4 7. Ne5 Nc6 8. Bxc6 bxc6 9. Nxc6 Qe8 10. Nxe7+ Qxe7 11. Bg5 e5 12. Nc3 Bb7 13. dxe5 Qxe5 14. Bxf6 Qxf6 15. Rc1 Rfd8 16. Qc2 Qc6 17. f3 Qc5+ 18. Kg2 h5 19. Rfd1 h4 20. Rxd8+ Rxd8 21. Rd1 Rd6 22. Rxd6 cxd6 23. Ne4 Qd4 24. gxh4 Bxe4 25. Qxe4 Qxe4 26. fxe4 Kf8 27. Kf3 Ke7 28. Ke3 Ke6 29. Kd4 1-0

[Event "Titled Tuesday intern op 10th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.10"]
[Round "3"]
[White "Calderon, Zachary"]
[Black "Tokman, Ariel"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2059"]
[BlackElo "2316"]
[PlyCount "100"]
[EventDate "2021.08.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 b6 2. c4 Bb7 3. Nc3 c5 4. g3 Nf6 5. Bg2 e6 6. 0-0 Be7 7. b3 0-0 8. d4 cxd4 9. Qxd4 Nc6 10. Qf4 Qb8 11. Qxb8 Raxb8 12. Bb2 Nb4 13. a3 Na6 14. Rad1 d5 15. cxd5 Nxd5 16. Nxd5 Bxd5 17. Nd4 Bxg2 18. Kxg2 Bf6 19. b4 Rfc8 20. Rc1 Kf8 21. e4 Nc7 22. Rc6 Bxd4 23. Bxd4 Nb5 24. Rxc8+ Rxc8 25. Rd1 Nxa3 26. Be5 f6 27. Bd6+ Ke8 28. Bf4 e5 29. Be3 Nc4 30. Bc1 Rd8 31. Rd5 Rxd5 32. exd5 Kd7 33. f4 Kd6 34. fxe5+ Kxe5 35. Kf3 Kxd5 36. Kf4 Ke6 37. Ke4 h5 38. Kd4 Ne5 39. Ke3 Ng4+ 40. Kd4 Nxh2 41. Kc4 a5 42. bxa5 bxa5 43. Kb5 Nf1 44. Bf4 g5 45. Bc7 Kf5 46. Kxa5 Kg4 47. Bd8 f5 48. Kb4 Nxg3 49. Kc3 h4 50. Bb6 h3 0-1

[Event "Titled Tuesday intern op 10th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.10"]
[Round "9"]
[White "Krishnakumar, Sriram"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2026"]
[BlackElo "2059"]
[PlyCount "67"]
[EventDate "2021.08.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 Qxd5 5. Nf3 Bd7 6. Bd3 Bb5 7. 0-0 Bxc3 8. bxc3 Bxd3 9. cxd3 Ne7 10. Ba3 Nd7 11. c4 Qa5 12. Qb3 c5 13. dxc5 Nxc5 14. Bxc5 Qxc5 15. Qxb7 Rd8 16. Rfd1 0-0 17. d4 Qa3 18. Qb3 Qa6 19. Ne5 Rb8 20. Qf3 f6 21. Nd7 Qxc4 22. Nxf8 Kxf8 23. Qa3 Rb7 24. Rac1 Qb4 25. Qh3 Kf7 26. Qxh7 Rd7 27. Qh5+ Kg8 28. d5 exd5 29. Qe8+ Kh7 30. Qxd7 Ng6 31. Qh3+ Kg8 32. Rxd5 Qb2 33. Rd8+ Nf8 34. Qb3+ 1-0

[Event "Titled Tuesday intern op 10th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.10"]
[Round "8"]
[White "Wieczorek, Zbigniew"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2185"]
[BlackElo "2059"]
[PlyCount "105"]
[EventDate "2021.08.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 d5 3. Bg2 Nf6 4. d3 Be7 5. Nbd2 c5 6. e4 Nc6 7. 0-0 Qc7 8. Re1 b6 9. exd5 exd5 10. d4 0-0 11. dxc5 bxc5 12. c4 d4 13. Nb3 Bb7 14. Bf4 Bd6 15. Nxc5 Bxf4 16. Nxb7 Qxb7 17. Nxd4 Qxb2 18. Nxc6 Bc7 19. Ne7+ Kh8 20. Bxa8 Rxa8 21. Rb1 Qxa2 22. Re2 Qa3 23. Nd5 Nxd5 24. Qxd5 Rf8 25. Rb7 Bb6 26. Rxf7 Rg8 27. Rf3 Qc1+ 28. Kg2 h6 29. Re6 Rc8 30. Qe5 Qxc4 31. Rxh6+ Kg8 32. Re6 Qd4 33. Re8+ Rxe8 34. Qxe8+ Kh7 35. Qh5+ Kg8 36. h4 a5 37. Qf7+ Kh7 38. h5 Qe4 39. Qf5+ Qxf5 40. Rxf5 a4 41. Rb5 Bd8 42. Rb8 Be7 43. Ra8 a3 44. g4 Kh6 45. Kg3 Bd6+ 46. f4 Kh7 47. g5 Be7 48. Kg4 g6 49. h6 Bd6 50. Ra7+ Kg8 51. f5 gxf5+ 52. Kxf5 Kh8 53. g6 1-0

[Event "Titled Tuesday intern op 10th Aug"]
[Site "Chess.com INT"]
[Date "2021.08.10"]
[Round "4"]
[White "Yi, Richard"]
[Black "Calderon, Zachary"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2130"]
[BlackElo "2059"]
[PlyCount "84"]
[EventDate "2021.08.10"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 dxc4 4. Qa4+ Bd7 5. Qxc4 Bc6 6. Bg2 Nd7 7. 0-0 Ngf6 8. b3 Be7 9. Bb2 0-0 10. Qc2 a6 11. Na3 Nb6 12. Rac1 h6 13. Rfd1 Nbd5 14. Nc4 Nb4 15. Qb1 Bb5 16. d3 a5 17. a3 Nbd5 18. e4 Nb6 19. Nxb6 cxb6 20. d4 Rc8 21. Rxc8 Qxc8 22. d5 exd5 23. e5 Nd7 24. Rxd5 Bc6 25. Rd1 Rd8 26. Rc1 Nf8 27. Nd4 Ne6 28. Nxc6 bxc6 29. Rxc6 Qb8 30. Rc1 Nd4 31. Bxd4 Rxd4 32. Rc2 Qxe5 33. Rc8+ Bf8 34. h4 Rd2 35. Rc2 Qd4 36. Rxd2 Qxd2 37. a4 Bc5 38. Qf1 Qc3 39. Qc4 Qxg3 40. Qe2 Qxh4 41. Qe8+ Kh7 42. Qxf7 Qd4 0-1

[Event "Titled Tuesday intern op 03rd Aug"]
[Site "Chess.com INT"]
[Date "2021.08.03"]
[Round "4"]
[White "Babiy, Olga"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2269"]
[BlackElo "2059"]
[PlyCount "63"]
[EventDate "2021.08.03"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nc3 e6 2. b3 d5 3. Bb2 Nf6 4. e3 Be7 5. f4 c5 6. Nf3 0-0 7. d4 Nc6 8. Bd3 cxd4 9. exd4 Qa5 10. 0-0 Ba3 11. Bxa3 Qxa3 12. Ne2 Ne4 13. c3 Qd6 14. Ne5 f6 15. Nf3 Rb8 16. Qc2 f5 17. Ne5 Nxe5 18. fxe5 Qe7 19. Bxe4 fxe4 20. Rxf8+ Qxf8 21. Rf1 Qe7 22. c4 b5 23. cxd5 exd5 24. Qc6 Be6 25. Nf4 Bg4 26. Qxd5+ Kh8 27. Qxe4 Rd8 28. h3 Bc8 29. d5 Bb7 30. Rd1 Qc5+ 31. Kh2 g5 32. Ne6 1-0

[Event "Titled Tuesday intern op 03rd Aug"]
[Site "Chess.com INT"]
[Date "2021.08.03"]
[Round "2"]
[White "Calderon, Zachary"]
[Black "Farahat, Ali"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "2059"]
[BlackElo "2404"]
[PlyCount "126"]
[EventDate "2021.08.03"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. Nxe4 dxe4 8. g3 Bb4+ 9. Bd2 Qa5 10. Bxb4 Qxb4+ 11. Qd2 Qxd2+ 12. Kxd2 c5 13. dxc5 Na6 14. Ng2 e5 15. Be2 Nxc5 16. Rhd1 Rd8+ 17. Kc2 Ke7 18. Rxd8 Rxd8 19. Rd1 Rc8 20. a3 b6 21. Kc3 g6 22. b4 Nb7 23. h3 h5 24. h4 Nd6 25. Ne1 Nxc4 26. Bxc4 b5 27. Rd2 Rxc4+ 28. Kb2 Ng4 29. Nc2 f6 30. Kb3 Rc6 31. a4 bxa4+ 32. Kxa4 Rc3 33. b5 g5 34. Nb4 Rc1 35. Nd5+ Kf7 36. Nb4 Rf1 37. Rd7+ Kg6 38. Rxa7 Ra1+ 39. Kb3 Rxa7 40. Nd5 Nxf2 41. Kc4 Nd1 42. Kc5 Ra1 43. b6 Rc1+ 44. Kd6 Nc3 45. Ne7+ Kf7 46. b7 Rb1 47. Nc6 Rxb7 48. Nd8+ Kg6 49. Nxb7 Nd1 50. Kd5 Nxe3+ 51. Kxe4 Nf1 52. Kf3 Nh2+ 53. Kg2 Ng4 54. hxg5 Kxg5 55. Nc5 Kf5 56. Nb3 Ke4 57. Nd2+ Kd3 58. Nf3 e4 59. Ne1+ Kd2 60. Kf1 Nh2+ 61. Kf2 e3+ 62. Kg2 Kxe1 63. Kxh2 e2 0-1

[Event "Titled Tuesday intern op 03rd Aug"]
[Site "Chess.com INT"]
[Date "2021.08.03"]
[Round "9"]
[White "Calderon, Zachary"]
[Black "Maranhao, Jose Renato Ruiz"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "2059"]
[BlackElo "1923"]
[PlyCount "153"]
[EventDate "2021.08.03"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 c6 2. d4 d5 3. c4 Nf6 4. e3 g6 5. Bd3 Bg7 6. Nbd2 0-0 7. b3 Na6 8. a3 Nc7 9. Bb2 Bg4 10. 0-0 Nce8 11. Rc1 Nd6 12. Qc2 Bxf3 13. Nxf3 Nfe4 14. Nd2 f5 15. c5 Nf7 16. f4 Nh6 17. Bxe4 fxe4 18. h3 e6 19. b4 Qh4 20. Nb3 Nf5 21. Qf2 Qh6 22. a4 a6 23. Ra1 g5 24. g3 gxf4 25. gxf4 Kf7 26. Kh2 Nh4 27. Nd2 Bf6 28. Rg1 Rg8 29. Rxg8 Rxg8 30. Rg1 Rxg1 31. Qxg1 Qh5 32. Qg4 Qh6 33. Bc1 Nf5 34. Nf1 Bh4 35. Bd2 Kf6 36. Kg2 Kf7 37. Nh2 Bf6 38. Kf2 Qh4+ 39. Ke2 h5 40. Qxh4 Nxh4 41. Nf1 Nf3 42. Ng3 h4 43. Nh5 Ng1+ 44. Kf1 Nxh3 45. Nxf6 Kxf6 46. Be1 Nxf4 47. Bxh4+ Kf5 48. exf4 Kxf4 49. Ke2 e3 50. Bf6 Ke4 51. Be5 Kf5 52. Kxe3 Kg4 53. Bd6 Kf5 54. Kf3 Kg5 55. Be5 Kf5 56. a5 Kg5 57. Kg3 Kf5 58. Kh4 Ke4 59. Kg5 Kd3 60. Kf6 Kc4 61. Kxe6 Kxb4 62. Bc7 Kc4 63. Ke5 Kb5 64. Kd6 Kc4 65. Bb6 Kxd4 66. Kc7 Kc4 67. Kxb7 d4 68. Kxc6 d3 69. Kb7 d2 70. c6 d1Q 71. c7 Qd7 72. Kb8 Qe8+ 73. c8Q+ Qxc8+ 74. Kxc8 Kb5 75. Kb7 Kc4 76. Kxa6 Kd5 77. Kb7 1-0

[Event "Titled Tuesday intern op 03rd Aug"]
[Site "Chess.com INT"]
[Date "2021.08.03"]
[Round "5"]
[White "Calderon, Zachary"]
[Black "Miszler, Levente"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2059"]
[BlackElo "2251"]
[PlyCount "190"]
[EventDate "2021.08.03"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d6 5. d4 0-0 6. Bg2 Nbd7 7. 0-0 e5 8. Qc2 c6 9. Rd1 Qc7 10. h3 Re8 11. e4 exd4 12. Nxd4 Nc5 13. b4 Ne6 14. Nxe6 Bxe6 15. Qd3 d5 16. cxd5 cxd5 17. Bf4 Qc4 18. Qxc4 dxc4 19. Rac1 Rad8 20. Bf3 Rd3 21. Rxd3 cxd3 22. Rd1 Bc4 23. e5 Nd7 24. Bd5 b5 25. Bc6 Re7 26. Bxb5 Bxb5 27. Nxb5 Nxe5 28. Bxe5 Rxe5 29. Nxa7 Rd5 30. b5 d2 31. b6 Rd7 32. Nc6 Bc3 33. Kf1 Rb7 34. Ke2 Rxb6 35. Ne7+ Kg7 36. Nd5 Re6+ 37. Kd3 Ba5 38. Ne3 Rd6+ 39. Ke2 Rc6 40. Nf1 Rc2 41. Nxd2 Rxa2 42. Ke1 h5 43. h4 Kf6 44. Ke2 Kf5 45. Kf3 Rxd2 46. Ra1 Bc7 47. Ra4 Bb6 48. Rf4+ Ke6 49. Kg2 f5 50. Rf3 Ke5 51. Rb3 Rxf2+ 52. Kh3 Be3 53. Rxe3+ Kf6 54. Re1 Rd2 55. Re8 Rd4 56. Rf8+ Ke5 57. Rg8 Rd6 58. Re8+ Re6 59. Rg8 Ke4 60. Kg2 Ke3 61. Kh3 Kf3 62. Ra8 Re1 63. Ra3+ Re3 64. Ra2 f4 65. gxf4 Kxf4+ 66. Kh2 Kg4 67. Ra4+ Kf5 68. Kg2 Re4 69. Ra5+ Kf4 70. Rg5 Re6 71. Kh3 Re3+ 72. Kh2 Re2+ 73. Kh3 Re3+ 74. Kh2 Re6 75. Kh3 Rf6 76. Kh2 Kf3 77. Kh3 Rd6 78. Kh2 Rd2+ 79. Kh3 Rd1 80. Kh2 Rd6 81. Kh3 Kf4 82. Kh2 Rf6 83. Kh3 Ra6 84. Kh2 Ra2+ 85. Kh3 Ra1 86. Rxg6 Rh1+ 87. Kg2 Rxh4 88. Rf6+ Kg5 89. Rf8 Rg4+ 90. Kh3 Rh4+ 91. Kg3 Ra4 92. Rg8+ Kf5 93. Rh8 Ra3+ 94. Kh4 Ra1 95. Rxh5+ Kf4 0-1

[Event "Titled Tuesday intern op 03rd Aug"]
[Site "Chess.com INT"]
[Date "2021.08.03"]
[Round "7"]
[White "Calderon, Zachary"]
[Black "Sinitsina, Anastassia"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "2059"]
[BlackElo "2057"]
[PlyCount "50"]
[EventDate "2021.08.03"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d6 5. d4 0-0 6. Bg2 Nbd7 7. 0-0 e5 8. Qc2 exd4 9. Nxd4 Nb6 10. b3 c5 11. Nf3 Bf5 12. Qd2 d5 13. cxd5 Nfxd5 14. Bb2 Nxc3 15. Bxc3 Qxd2 16. Bxd2 Bxa1 17. Rxa1 Rfe8 18. Be3 Rac8 19. Rc1 Nd5 20. Bxc5 b6 21. Be3 Rxc1+ 22. Bxc1 Rxe2 23. h4 Rxa2 24. Kh2 Rxf2 25. Ba3 Be4 0-1

[Event "Titled Tuesday intern op 03rd Aug"]
[Site "Chess.com INT"]
[Date "2021.08.03"]
[Round "1"]
[White "Calderon, Zachary"]
[Black "Yaniuk, Volodymyr"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2059"]
[BlackElo "2227"]
[PlyCount "93"]
[EventDate "2021.08.03"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 dxc4 5. Bg2 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. e3 Qd7 9. 0-0 0-0-0 10. Qa4 Nd5 11. Qxc4 h5 12. Nc3 h4 13. a3 hxg3 14. hxg3 f5 15. Nxd5 exd5 16. Qe2 g5 17. Bd2 Re8 18. Qd3 Bg7 19. b4 Bf6 20. b5 Qh7 21. f4 gxf4 22. Rxf4 Ne7 23. Kf2 Qg7 24. Bb4 Reg8 25. g4 Bh4+ 26. Ke2 fxg4 27. Bxe7 Qxe7 28. Bxd5 Rf8 29. Raf1 Rxf4 30. Rxf4 g3 31. Qf5+ Kb8 32. Rg4 a6 33. bxa6 bxa6 34. Qb1+ Kc8 35. Qb7+ Kd7 36. Bc6+ Ke6 37. Qb3+ Kf6 38. Rf4+ Kg6 39. Qd3+ Kh6 40. Qxa6 Rd8 41. Qd3 Rd6 42. Be8 Bg5 43. Rg4 Qxe8 44. Rxg3 Qf7 45. Rh3+ Bh4 46. Rxh4+ Kg5 47. Rh3 1/2-1/2

[Event "Titled Tuesday intern op 03rd Aug"]
[Site "Chess.com INT"]
[Date "2021.08.03"]
[Round "8"]
[White "Cramling Bellon, Anna"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "D63"]
[WhiteElo "2035"]
[BlackElo "2059"]
[PlyCount "125"]
[EventDate "2021.08.03"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 c6 7. e3 Be7 8. Bd3 Nbd7 9. 0-0 h6 10. Bh4 0-0 11. Rc1 c5 12. dxc5 Nxc5 13. Bxf6 Bxf6 14. Nxd5 Nxd3 15. Qxd3 Be6 16. Nxf6+ Qxf6 17. Nd4 Rfd8 18. Qe2 Rac8 19. h3 Rxc1 20. Rxc1 Re8 21. Nxe6 Qxe6 22. Qc4 Qb6 23. b3 Re6 24. Qc7 Qb4 25. Qc8+ Kh7 26. Qc4 Qa5 27. Qd3+ Rg6 28. Qe2 Qg5 29. Qf3 b5 30. Rd1 Rf6 31. Qg4 Qc5 32. Qe4+ Rg6 33. Qd5 Qc2 34. Qd2 Qc6 35. f3 Qe6 36. Qf2 Qf6 37. Rd2 Qf5 38. Kh2 Qg5 39. Qg1 h5 40. Qf2 h4 41. f4 Qg3+ 42. Qxg3 hxg3+ 43. Kg1 f5 44. Rd1 Re6 45. Kf1 Rxe3 46. Re1 Rxe1+ 47. Kxe1 Kg6 48. Ke2 Kf6 49. Kf3 Ke6 50. Kxg3 Kd5 51. Kh4 Kd4 52. Kg5 Kc3 53. Kxf5 Kb2 54. Kg6 Kxa2 55. Kxg7 Kxb3 56. f5 a5 57. f6 a4 58. f7 a3 59. f8Q a2 60. Qf6 Ka3 61. Qc3+ Ka4 62. Qb2 b4 63. Qxa2+ 1-0

[Event "Titled Tuesday intern op 03rd Aug"]
[Site "Chess.com INT"]
[Date "2021.08.03"]
[Round "10"]
[White "De Souza, Cristiano Gomes"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "2018"]
[BlackElo "2059"]
[PlyCount "87"]
[EventDate "2021.08.03"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. Nc3 dxc4 5. a4 Nc6 6. e4 Na5 7. Ne5 Nf6 8. Nxc4 c5 9. Be3 cxd4 10. Bxd4 Bb4 11. Bxf6 Qxf6 12. Nxa5 Bxc3+ 13. bxc3 Qxc3+ 14. Ke2 Qxa5 15. f3 0-0 16. Kf2 Qc5+ 17. Ke1 Qc3+ 18. Kf2 Qc5+ 19. Ke1 Qb4+ 20. Qd2 Qxd2+ 21. Kxd2 Rd8+ 22. Ke3 Bd7 23. Bd3 e5 24. Rhb1 Bc6 25. Bc4 Rd4 26. Rc1 Rad8 27. Bxa6 Rxa4 28. Rxa4 Bxa4 29. Bxb7 h6 30. Rc8 Rxc8 31. Bxc8 Kf8 32. Bb7 Ke7 33. g3 Kd6 34. f4 f6 35. Bd5 g5 36. fxg5 fxg5 37. Bc4 Kc5 38. Be6 Be8 39. Bf5 Kc4 40. Kf3 Bh5+ 41. Bg4 Bxg4+ 42. Kxg4 Kd3 43. Kf5 Kd4 44. g4 1-0

[Event "Titled Tuesday intern op 03rd Aug"]
[Site "Chess.com INT"]
[Date "2021.08.03"]
[Round "3"]
[White "Lee, Alice"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1994"]
[BlackElo "2059"]
[PlyCount "77"]
[EventDate "2021.08.03"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nf3 a6 4. Bg5 Be7 5. Bxe7 Qxe7 6. Nbd2 Nf6 7. e3 c5 8. dxc5 Nbd7 9. Rc1 Nxc5 10. b4 Nce4 11. Qb3 Nxd2 12. Nxd2 0-0 13. Bd3 Bd7 14. c5 Bb5 15. 0-0 Bxd3 16. Qxd3 Rfc8 17. a4 a5 18. Qb3 axb4 19. Qxb4 Qd7 20. a5 Rc6 21. Rb1 Ra7 22. Nb3 h6 23. Nd4 Rca6 24. Nb5 Ra8 25. Nd6 Rxa5 26. Nxb7 R5a7 27. Rfc1 Rb8 28. c6 Qc7 29. Qc5 Ng4 30. Qxa7 Qxh2+ 31. Kf1 Rc8 32. Nd6 Qxd6 33. Qd7 Rxc6 34. Qxc6 Qh2 35. Qc8+ Kh7 36. Qc2+ g6 37. Rb7 Kg7 38. Qc3+ e5 39. Qc7 1-0

[Event "Titled Tuesday intern op 03rd Aug"]
[Site "Chess.com INT"]
[Date "2021.08.03"]
[Round "6"]
[White "Provaznik, Michal"]
[Black "Calderon, Zachary"]
[Result "0-1"]
[ECO "C16"]
[WhiteElo "2127"]
[BlackElo "2059"]
[PlyCount "108"]
[EventDate "2021.08.03"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. a3 Bf8 6. Bd3 c5 7. Nf3 Nc6 8. 0-0 a6 9. dxc5 Bxc5 10. b4 Ba7 11. b5 axb5 12. Nxb5 Bb8 13. Bf4 Nge7 14. Re1 0-0 15. Ng5 Ng6 16. Qh5 h6 17. Bxg6 fxg6 18. Qxg6 hxg5 19. Bxg5 Qf7 20. Qxf7+ Rxf7 21. f4 Ra5 22. a4 Na7 23. Nd6 Bxd6 24. exd6 d4 25. c4 dxc3 26. Red1 Rd5 27. Rxd5 exd5 28. Re1 Bd7 29. Kf2 Nc6 30. Ke3 d4+ 31. Kd3 Bf5+ 32. Kc4 c2 33. h3 d3 34. Kc3 Rd7 35. g4 d2 36. Kxd2 Rxd6+ 37. Kc1 Rd1+ 38. Rxd1 cxd1Q+ 39. Kxd1 Be4 40. Kd2 Bg2 41. h4 Bf3 42. Ke3 Bxg4 43. Ke4 Bd1 44. Kd5 Bxa4 45. Kd6 Nd4 46. Kc7 Bc6 47. Kb6 Nf5 48. Kc5 Kf7 49. Kb6 Kg6 50. Kc7 Kh5 51. Kd8 Nxh4 52. Ke7 Nf3 53. Kf7 Nxg5+ 54. fxg5 Kxg5 0-1

[Event "Titled Tuesday intern op 27th July"]
[Site "Chess.com INT"]
[Date "2021.07.27"]
[Round "7"]
[White "Agibileg, Uurtsaikh"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2413"]
[BlackElo "2147"]
[PlyCount "127"]
[EventDate "2021.07.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 c6 6. Bf4 Bd6 7. Bxd6 Qxd6 8. e3 Nf6 9. Be2 Bg4 10. 0-0 Nbd7 11. h3 Bxf3 12. Bxf3 0-0 13. Qc2 Rfe8 14. Na4 Ne4 15. Bxe4 Rxe4 16. Rab1 a5 17. a3 Re6 18. b4 b5 19. Nc5 Nxc5 20. Qxc5 Qxc5 21. bxc5 f5 22. g3 g5 23. Kg2 Kf7 24. Kf3 h5 25. h4 g4+ 26. Ke2 Rae8 27. Kd3 Kg6 28. Rbe1 Rf6 29. Re2 Ref8 30. f3 R8f7 31. Ref2 Rf8 32. Re1 R8f7 33. Rfe2 Rf8 34. Kd2 Re8 35. e4 fxe4 36. fxe4 dxe4 37. Rxe4 Rxe4 38. Rxe4 Kf7 39. Re5 Kg6 40. Re7 Rf3 41. Re6+ Rf6 42. Re8 Rf3 43. Rc8 Rf6 44. Ke3 Rf3+ 45. Ke4 Rxg3 46. Rxc6+ Kf7 47. Rc7+ Ke6 48. d5+ Kf6 49. d6 Rg1 50. d7 Ke7 51. c6 Re1+ 52. Kf4 b4 53. axb4 axb4 54. Rc8 Rd1 55. Re8+ Kf7 56. d8Q Rxd8 57. Rxd8 b3 58. c7 b2 59. Rb8 Ke7 60. c8Q b1Q 61. Rxb1 g3 62. Qc7+ Ke6 63. Rb6+ Kd5 64. Rd6# 1-0

[Event "Titled Tuesday intern op 27th July"]
[Site "Chess.com INT"]
[Date "2021.07.27"]
[Round "4"]
[White "Calderon, Zachary"]
[Black "Bongo Akanga Ndjila, Barthelemy"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2147"]
[BlackElo "1803"]
[PlyCount "73"]
[EventDate "2021.07.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Nd2 Bd6 5. Bg3 0-0 6. Ngf3 c5 7. c3 Qc7 8. Ne5 Nbd7 9. f4 b6 10. Bd3 Bb7 11. Qf3 a6 12. a4 Rae8 13. Bh4 cxd4 14. exd4 Be7 15. g4 Ne4 16. Bxe7 Rxe7 17. Nxe4 dxe4 18. Bxe4 Nxe5 19. fxe5 Bc8 20. 0-0 f6 21. Kh1 f5 22. gxf5 exf5 23. Bd5+ Kh8 24. Rg1 Be6 25. Bxe6 Rxe6 26. Qg2 b5 27. axb5 axb5 28. Ra8 Ree8 29. Rxe8 Rxe8 30. Qd5 b4 31. c4 Rd8 32. Qc5 Qb7+ 33. d5 Rc8 34. Qd4 b3 35. e6 Qe7 36. d6 Qxe6 37. Qxg7# 1-0

[Event "Titled Tuesday intern op 27th July"]
[Site "Chess.com INT"]
[Date "2021.07.27"]
[Round "9"]
[White "Calderon, Zachary"]
[Black "Chen, Max"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2147"]
[BlackElo "1997"]
[PlyCount "129"]
[EventDate "2021.07.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Be7 5. c4 0-0 6. Nc3 d6 7. h3 Ne4 8. Nxe4 fxe4 9. Nd2 d5 10. Qb3 c5 11. dxc5 Bxc5 12. cxd5 exd5 13. Nxe4 Qa5+ 14. Nc3 Be6 15. Be2 Nd7 16. 0-0 Rae8 17. Qb5 Qxb5 18. Nxb5 a6 19. Nc7 Re7 20. Nxe6 Rxe6 21. Bg4 Re7 22. Bxd7 Rxd7 23. Rfd1 d4 24. Be5 Rfd8 25. exd4 Bxd4 26. Bxd4 Rxd4 27. Rxd4 Rxd4 28. Kf1 Rd2 29. Rb1 Kf7 30. h4 h5 31. g3 Kf6 32. a3 g6 33. Ke1 Rc2 34. b4 Rc3 35. Ra1 Kf5 36. Kd2 Rb3 37. Ke2 Kg4 38. Ra2 Kf5 39. Kf1 Ke4 40. Ke2 Kd4 41. Rd2+ Kc4 42. Rc2+ Kb5 43. Rc7 b6 44. Rg7 Rxa3 45. Rxg6 Ra2+ 46. Kf3 Ra1 47. Rh6 Rh1 48. Kf4 Rh2 49. f3 Rh3 50. g4 Rxh4 51. Rxh5+ Rxh5 52. gxh5 Kxb4 53. h6 a5 54. h7 a4 55. h8Q a3 56. Qa1 Ka4 57. Ke3 b5 58. Kd3 Kb3 59. Qc3+ Ka2 60. Qb4 Ka1 61. Qxa3+ Kb1 62. Qb4+ Ka2 63. Qxb5 Ka1 64. Kc2 Ka2 65. Qb2# 1-0

[Event "Titled Tuesday intern op 27th July"]
[Site "Chess.com INT"]
[Date "2021.07.27"]
[Round "6"]
[White "Calderon, Zachary"]
[Black "Grigorjev, Iljya"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2147"]
[BlackElo "2372"]
[PlyCount "60"]
[EventDate "2021.07.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 h6 6. Nf3 a6 7. Bd3 c5 8. dxc5 Nbd7 9. c6 bxc6 10. Ne5 Nxe5 11. Bxe5 0-0 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxg7 Nxf2 15. Kxf2 Kxg7 16. Re1 Qd4+ 17. Kf1 Qxh4 18. Qf3 Be6 19. Qxc6 Rac8 20. Qxa6 Rxc2 21. Re2 Qh1+ 22. Kf2 Rxe2+ 23. Bxe2 Qxa1 24. Qa3 Qxa2 25. Qc3+ Kg8 26. g4 Rb8 27. g5 hxg5 28. b4 Bg4 29. Kg3 Qxe2 30. Qc7 Rc8 0-1

[Event "Titled Tuesday intern op 27th July"]
[Site "Chess.com INT"]
[Date "2021.07.27"]
[Round "10"]
[White "Calderon, Zachary"]
[Black "Kim, Sergey2222"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2147"]
[BlackElo "2295"]
[PlyCount "91"]
[EventDate "2021.07.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d6 4. e4 c6 5. Qd2 b5 6. 0-0-0 b4 7. Nb1 Nxe4 8. Qe1 d5 9. f3 Nf6 10. Bg5 Bg7 11. Qxb4 0-0 12. Qd2 Nbd7 13. h4 Rb8 14. h5 Qb6 15. c3 e5 16. Ne2 Re8 17. hxg6 fxg6 18. dxe5 Nxe5 19. Nd4 c5 20. Nb3 Be6 21. Be3 Rec8 22. Na3 Qc7 23. Ba6 Nc4 24. Bxc4 dxc4 25. Nxc5 Bf7 26. Na6 Qe7 27. Nxb8 Rxb8 28. Rhe1 Nd5 29. Bd4 Qb7 30. Bxg7 Kxg7 31. Nxc4 Nf6 32. Nd6 Qc7 33. Nxf7 Qxf7 34. Qd4 Rb6 35. g4 h6 36. Kb1 g5 37. Re5 Qb7 38. b3 Qxf3 39. Rf5 Qe4+ 40. Qxe4 Nxe4 41. Rd7+ Kg6 42. Rxa7 Nxc3+ 43. Kc2 Ne4 44. Rfa5 Nf6 45. R5a6 Rb5 46. Rc7 1-0

[Event "Titled Tuesday intern op 27th July"]
[Site "Chess.com INT"]
[Date "2021.07.27"]
[Round "1"]
[White "Calderon, Zachary"]
[Black "Yaniuk, Volodymyr"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "2147"]
[BlackElo "2227"]
[PlyCount "123"]
[EventDate "2021.07.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 Nd7 11. Bb2 Bf6 12. Qc2 a5 13. d5 exd5 14. Bxf6 Nxf6 15. Nh4 g6 16. Rad1 Re8 17. cxd5 Ba6 18. Rfe1 Nd7 19. Nf3 Nc5 20. Nd4 Qf6 21. a3 Rac8 22. b4 axb4 23. axb4 Nd7 24. Nc6 Ra8 25. e4 Bb5 26. Nd4 Ba4 27. Qd2 Bxd1 28. Rxd1 Ne5 29. Rc1 Rac8 30. Nb5 Nf3+ 31. Bxf3 Qxf3 32. Qc2 Qxe4 33. Qxe4 Rxe4 34. Nxd6 cxd6 35. Rxc8+ Kg7 36. Rc6 Rxb4 37. Rxd6 Rb2 38. Rd8 Kf6 39. f4 h5 40. h3 Ke7 41. Rb8 Kd6 42. Rd8+ Ke7 43. Rb8 b5 44. Rb6 b4 45. d6+ Ke6 46. h4 b3 47. Kf1 Rb1+ 48. Kg2 b2 49. Kh2 Kd7 50. Kg2 Ke6 51. Kh2 f6 52. Kg2 Rd1 53. Rxb2 Rxd6 54. Re2+ Kf5 55. Kh3 Rd1 56. Ra2 Rh1+ 57. Kg2 Rb1 58. Kh3 Rb5 59. Ra6 g5 60. fxg5 fxg5 61. hxg5 Kxg5 62. Ra8 1/2-1/2

[Event "Titled Tuesday intern op 27th July"]
[Site "Chess.com INT"]
[Date "2021.07.27"]
[Round "8"]
[White "Koridze, Lile"]
[Black "Calderon, Zachary"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2016"]
[BlackElo "2147"]
[PlyCount "76"]
[EventDate "2021.07.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 c6 6. Bf4 Bd6 7. e3 Bxf4 8. exf4 Bg4 9. Be2 Bxf3 10. Bxf3 Nf6 11. 0-0 0-0 12. Qc2 Nbd7 13. Rfe1 Re8 14. g3 Qc7 15. b4 Rxe1+ 16. Rxe1 Re8 17. Rxe8+ Nxe8 18. Nxd5 Qd6 19. Qe2 Nef6 20. Nxf6+ Nxf6 21. Qc4 g6 22. a4 h5 23. b5 axb5 24. axb5 cxb5 25. Qxb5 Qxd4 26. Qxb7 Kg7 27. h3 h4 28. Kg2 Qd6 29. Qb2 Kg8 30. Qe2 Kg7 31. Qe3 hxg3 32. fxg3 Qb4 33. g4 Qb2+ 34. Kg3 Qb8 35. Qd4 g5 36. h4 Qxf4+ 37. Qxf4 gxf4+ 38. Kxf4 Nxg4 1/2-1/2

[Event "Titled Tuesday intern op 27th July"]
[Site "Chess.com INT"]
[Date "2021.07.27"]
[Round "11"]
[White "Nesterov, Arseniy"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2473"]
[BlackElo "2147"]
[PlyCount "75"]
[EventDate "2021.07.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. cxd5 exd5 5. Nc3 c6 6. Bf4 Bd6 7. e3 Bxf4 8. exf4 Bg4 9. Bd3 Qe7+ 10. Kd2 Qd6 11. Qe1+ Ne7 12. Ne5 Bd7 13. Qe3 0-0 14. Rae1 Nf5 15. Qh3 Nh6 16. g4 f6 17. Nxd7 Nxd7 18. Kc2 Qxf4 19. g5 Qg4 20. Qxg4 Nxg4 21. Bf5 Nxf2 22. Rhf1 fxg5 23. Bxd7 Rad8 24. Re7 Ne4 25. Be6+ Kh8 26. Rxf8+ Rxf8 27. Nxe4 dxe4 28. Rxb7 h6 29. Rf7 Re8 30. Bd7 Rd8 31. Re7 e3 32. Re8+ Rxe8 33. Bxe8 e2 34. Kd2 c5 35. dxc5 Kg8 36. c6 Kf8 37. c7 e1Q+ 38. Kxe1 1-0

[Event "Titled Tuesday intern op 27th July"]
[Site "Chess.com INT"]
[Date "2021.07.27"]
[Round "2"]
[White "Oganisjan, Roman"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2245"]
[BlackElo "2147"]
[PlyCount "53"]
[EventDate "2021.07.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Be3 c6 6. h3 Bf5 7. Bd3 Bg6 8. Nf3 e6 9. Ne5 Nbd7 10. Nxg6 hxg6 11. Qf3 Bd6 12. 0-0-0 Nb6 13. g4 Qc7 14. g5 Nfd5 15. Ne4 Bf4 16. c4 Bxe3+ 17. fxe3 Nb4 18. c5 Nxd3+ 19. Rxd3 Nc8 20. Rd2 b6 21. Rf2 0-0 22. h4 bxc5 23. h5 f5 24. hxg6 Ne7 25. Rh8+ Kxh8 26. Qh5+ Kg8 27. Qh7# 1-0

[Event "Titled Tuesday intern op 27th July"]
[Site "Chess.com INT"]
[Date "2021.07.27"]
[Round "5"]
[White "Prraneeth, Vuppala"]
[Black "Calderon, Zachary"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2253"]
[BlackElo "2147"]
[PlyCount "54"]
[EventDate "2021.07.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg4 6. Be2 c6 7. Be3 e6 8. h3 Bxf3 9. Bxf3 Nbd7 10. 0-0 Bd6 11. Ne2 Nd5 12. c4 Nxe3 13. fxe3 Qg5 14. Qd2 0-0 15. Nc3 Nf6 16. Ne4 Nxe4 17. Bxe4 f5 18. Bc2 e5 19. c5 Bc7 20. d5 cxd5 21. Qxd5+ Kh8 22. Qd7 Qxe3+ 23. Kh1 Qxc5 24. Bxf5 Qd6 25. Qa4 e4 26. Kg1 Qh2+ 27. Kf2 Rxf5+ 0-1

[Event "Titled Tuesday intern op 27th July"]
[Site "Chess.com INT"]
[Date "2021.07.27"]
[Round "3"]
[White "Rodchenkov, Sergey D"]
[Black "Calderon, Zachary"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2346"]
[BlackElo "2147"]
[PlyCount "94"]
[EventDate "2021.07.27"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nc6 5. d4 0-0-0 6. c4 Qf5 7. d5 Bxf3 8. Bxf3 Ne5 9. Be2 e6 10. Nc3 Nf6 11. 0-0 Bd6 12. h3 h5 13. Be3 g5 14. Qa4 h4 15. Nb5 a6 16. Na7+ Kb8 17. Nc6+ Nxc6 18. dxc6 Bc5 19. cxb7 Kxb7 20. Bf3+ Ka7 21. Qb4 Ne4 22. Bxc5+ Qxc5 23. Qb3 Nd6 24. Rad1 Qb6 25. Qc3 Nb7 26. b4 c5 27. bxc5 Nxc5 28. Rb1 Qc7 29. Qe3 Rb8 30. Rbd1 Rhd8 31. Rd2 Rxd2 32. Qxd2 Rd8 33. Qe3 Rd3 34. Qxg5 Rxf3 35. gxf3 Qb7 36. Qxh4 Qxf3 37. Qd4 Qf5 38. Rd1 Qg5+ 39. Kh1 Kb7 40. Rb1+ Kc6 41. Rd1 Qf5 42. Qd6+ Kb7 43. Qd2 Qf3+ 44. Kg1 Ne4 45. Qd7+ Kb6 46. Rb1+ Kc5 47. Qc7+ Kd4 0-1

[Event "Titled Tuesday intern op 20th July"]
[Site "Chess.com INT"]
[Date "2021.07.20"]
[Round "10"]
[White "Alvarez Fernandez, Enrique"]
[Black "Calderon, Zachary"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2349"]
[BlackElo "2147"]
[PlyCount "88"]
[EventDate "2021.07.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d4 c6 6. Ne5 Nbd7 7. Bf4 Nd5 8. Nxd5 Qxd5 9. f3 Nxe5 10. dxe5 Qxd1+ 11. Rxd1 Bf5 12. Bd3 Bxd3 13. Rxd3 e6 14. Ke2 Rd8 15. Rhd1 Be7 16. Ke3 h6 17. g4 h5 18. g5 g6 19. h4 Bc5+ 20. Ke4 Ke7 21. Rxd8 Rxd8 22. Rxd8 Kxd8 23. Be3 Bxe3 24. Kxe3 Kc7 25. Kd4 b6 26. b4 a6 27. a4 Kd7 28. a5 c5+ 29. bxc5 bxa5 30. Kc4 Kc6 31. f4 a4 32. Kb4 a3 33. Kxa3 Kxc5 34. Ka4 Kc4 35. Ka5 Kc3 36. Kxa6 Kxc2 37. Kb6 Kd3 38. Kc6 Ke4 39. Kd6 Kxf4 40. Ke7 Kxe5 41. Kxf7 Kf5 42. Kg7 e5 43. Kh6 e4 44. Kg7 e3 0-1

[Event "Titled Tuesday intern op 20th July"]
[Site "Chess.com INT"]
[Date "2021.07.20"]
[Round "11"]
[White "Calderon, Zachary"]
[Black "Anusca, Madalina Maria"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2147"]
[BlackElo "2013"]
[PlyCount "71"]
[EventDate "2021.07.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Bf5 3. e3 Nf6 4. c4 c6 5. Qb3 Qc8 6. Nc3 e6 7. Nf3 Be7 8. Rc1 0-0 9. h3 Nbd7 10. g4 Be4 11. Bg2 b6 12. Nxe4 Nxe4 13. Nd2 Nxd2 14. Kxd2 Qb7 15. cxd5 cxd5 16. Rc7 Nc5 17. dxc5 Qa6 18. Rxe7 bxc5 19. Rc1 c4 20. Qa3 Qb6 21. b3 cxb3 22. Qxb3 Qa5+ 23. Ke2 Qa6+ 24. Ke1 Qa5+ 25. Kf1 Qd2 26. Rd1 Qa5 27. Kg1 Rac8 28. Bd6 Rfd8 29. Bb4 Qb6 30. Qa3 Rc4 31. Be1 Rc2 32. Qxa7 Qb2 33. Rxf7 Rdc8 34. Rd4 e5 35. Rxg7+ Kf8 36. Qf7# 1-0

[Event "Titled Tuesday intern op 20th July"]
[Site "Chess.com INT"]
[Date "2021.07.20"]
[Round "8"]
[White "Calderon, Zachary"]
[Black "Correa, Jose Augusto"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2147"]
[BlackElo "1883"]
[PlyCount "120"]
[EventDate "2021.07.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 f5 3. e3 Nf6 4. Nf3 Bd6 5. Bg3 b6 6. Nbd2 Bb7 7. Nc4 Bxg3 8. hxg3 d6 9. Bd3 Nbd7 10. a4 Qe7 11. c3 Ne4 12. Bxe4 fxe4 13. Nfd2 d5 14. Ne5 Nxe5 15. dxe5 Qg5 16. Qh5+ Qxh5 17. Rxh5 g6 18. Rh6 0-0 19. 0-0-0 Rxf2 20. Rdh1 Rf7 21. c4 Re8 22. b4 Ree7 23. R1h4 Rf5 24. Rf4 Rxe5 25. g4 Kg7 26. Rh1 h5 27. gxh5 Rxh5 28. Rhf1 Rf5 29. g4 Rxf4 30. Rxf4 Rf7 31. c5 e5 32. Rxf7+ Kxf7 33. g5 Ke6 34. Nb3 Kf5 35. b5 c6 36. a5 cxb5 37. axb6 axb6 38. cxb6 Kxg5 39. Nc5 Bc6 40. Ne6+ Kg4 41. Nd8 Ba8 42. Nf7 d4 43. Nxe5+ Kf5 44. exd4 g5 45. Kd2 g4 46. Ke2 g3 47. Nf7 Kf4 48. Nd6 e3 49. b7 Bxb7 50. Nxb7 g2 51. Nc5 g1Q 52. Nb3 Qf2+ 53. Kd3 Qf1+ 54. Kc3 Qe1+ 55. Kb2 e2 56. Nc5 Qb4+ 57. Nb3 e1Q 58. d5 Qec3+ 59. Ka2 Qcxb3+ 60. Ka1 Q3a4# 0-1

[Event "Titled Tuesday intern op 20th July"]
[Site "Chess.com INT"]
[Date "2021.07.20"]
[Round "1"]
[White "Calderon, Zachary"]
[Black "Jeet, Jain"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2147"]
[BlackElo "2279"]
[PlyCount "35"]
[EventDate "2021.07.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 c5 5. c3 Nc6 6. Ngf3 Bd6 7. Bg3 0-0 8. Bd3 b6 9. e4 Be7 10. e5 Nh5 11. a3 f5 12. exf6 Bxf6 13. Ne5 Nxe5 14. dxe5 Nxg3 15. hxg3 Bxe5 16. Bxh7+ Kf7 17. Qh5+ Ke7 18. Qxe5 1-0

[Event "Titled Tuesday intern op 20th July"]
[Site "Chess.com INT"]
[Date "2021.07.20"]
[Round "5"]
[White "Calderon, Zachary"]
[Black "Sarkar, Justin"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2147"]
[BlackElo "2338"]
[PlyCount "98"]
[EventDate "2021.07.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. Nf3 Qb6 5. Nc3 cxd4 6. exd4 Bg4 7. Nb5 Na6 8. c3 Bxf3 9. Qxf3 e6 10. Bd3 Be7 11. 0-0 0-0 12. a4 Ne8 13. Qh3 g6 14. Rfe1 Nac7 15. a5 Qc6 16. Nxc7 Nxc7 17. Be5 Bd6 18. f4 f6 19. Bxd6 Qxd6 20. Qg4 f5 21. Qg5 Ne8 22. Re3 Nf6 23. Rh3 Ne4 24. Bxe4 dxe4 25. Qh6 Rf7 26. Re1 Qf8 27. Qh4 Re8 28. Kf1 Qe7 29. Qg5 Qxg5 30. fxg5 e5 31. d5 Rc8 32. Rc1 Rd7 33. c4 Rxd5 34. Rhc3 Rd4 35. c5 f4 36. c6 bxc6 37. Rxc6 Rxc6 38. Rxc6 e3 39. Rc8+ Kf7 40. Rc7+ Ke6 41. Rxa7 Rd1+ 42. Ke2 Rd2+ 43. Ke1 Rxb2 44. Rxh7 e4 45. Rh8 Kf5 46. Rf8+ Kxg5 47. a6 Rxg2 48. Re8 f3 49. Kf1 Ra2 0-1

[Event "Titled Tuesday intern op 20th July"]
[Site "Chess.com INT"]
[Date "2021.07.20"]
[Round "2"]
[White "Calderon, Zachary"]
[Black "Vlassov, Nikolai"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2147"]
[BlackElo "2294"]
[PlyCount "104"]
[EventDate "2021.07.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 h5 6. Nf3 c6 7. Bd3 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Bc7 e6 11. Rb3 Qe7 12. Bg3 Ng4 13. e4 0-0 14. 0-0 Nd7 15. exd5 exd5 16. Re1 Qf6 17. Ne2 Nb6 18. Ne5 Bf5 19. Nxg4 Bxg4 20. Qg5 Qxg5 21. hxg5 Bxe2 22. Rxe2 Rfe8 23. c3 Rxe2 24. Bxe2 Re8 25. Kf1 Re7 26. Bd6 Rd7 27. Bc5 Nc8 28. a4 b6 29. Ba3 Bf8 30. Bc1 Nd6 31. a5 b5 32. Ba3 Nc4 33. Bxf8 Kxf8 34. Bxc4 dxc4 35. Rb2 Ke7 36. f4 Kd6 37. Kf2 Re7 38. a6 Kc7 39. d5 Kb6 40. dxc6 Kxc6 41. g3 Kb6 42. Rd2 Kxa6 43. Rd6+ Ka5 44. f5 gxf5 45. Rh6 b4 46. Rh7 bxc3 47. g6 c2 48. Rxf7 c1Q 49. Rxe7 Qb2+ 50. Kg1 c3 51. g7 c2 52. Rxa7+ Kb6 0-1

[Event "Titled Tuesday intern op 20th July"]
[Site "Chess.com INT"]
[Date "2021.07.20"]
[Round "7"]
[White "Cramling Bellon, Anna"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2035"]
[BlackElo "2147"]
[PlyCount "87"]
[EventDate "2021.07.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Bf4 c6 6. e3 Bd6 7. Bg3 Nf6 8. Bd3 Be6 9. Nge2 0-0 10. 0-0 c5 11. Bxd6 Qxd6 12. dxc5 Qxc5 13. Rc1 Qd6 14. Nf4 Nc6 15. Be2 Rad8 16. Nxe6 fxe6 17. Bf3 e5 18. e4 d4 19. Na4 b5 20. Nc5 Kh8 21. Nb7 Qd7 22. Nxd8 Rxd8 23. a3 Na5 24. Qd3 Nc4 25. Rc2 h5 26. a4 h4 27. axb5 axb5 28. h3 g5 29. Ra1 Rc8 30. b3 Nd6 31. Rxc8+ Qxc8 32. Qd2 Nfxe4 33. Bxe4 Nxe4 34. Qe2 Qf5 35. Rc1 Kg7 36. f3 Nc3 37. Qf2 Qd3 38. Re1 e4 39. fxe4 Nxe4 40. Qa2 Ng3 41. Qa7+ Kf6 42. Qe7+ Kf5 43. Qe6+ Kf4 44. Qe5# 1-0

[Event "Titled Tuesday intern op 20th July"]
[Site "Chess.com INT"]
[Date "2021.07.20"]
[Round "9"]
[White "Donatti, Alvaro"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2193"]
[BlackElo "2147"]
[PlyCount "73"]
[EventDate "2021.07.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 d5 2. d4 e6 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. 0-0 Nf5 8. a3 cxd4 9. cxd4 Qb6 10. Nc3 Ncxd4 11. Nxd4 Qxd4 12. Qb3 Qb6 13. Qd1 Bc5 14. Bd3 Nd4 15. b4 Be7 16. Be3 g6 17. Qg4 Rc8 18. Bxd4 Qd8 19. Rac1 0-0 20. Qf3 a6 21. Ne2 b5 22. Rxc8 Qxc8 23. Rc1 Qb7 24. Qe3 Rc8 25. Rxc8+ Qxc8 26. Bc5 Bd8 27. Nd4 Bc7 28. f4 a5 29. g4 axb4 30. axb4 Qa8 31. f5 Qa1+ 32. Kg2 Qb2+ 33. Kh3 exf5 34. gxf5 f6 35. Qh6 Qxh2+ 36. Kxh2 Bxe5+ 37. Kg2 1-0

[Event "Titled Tuesday intern op 20th July"]
[Site "Chess.com INT"]
[Date "2021.07.20"]
[Round "4"]
[White "Hamley, Ryan"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2039"]
[BlackElo "2147"]
[PlyCount "61"]
[EventDate "2021.07.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 cxd4 6. exd4 Bf5 7. c3 e6 8. Be2 Bd6 9. Bg3 Ne4 10. 0-0 Nxg3 11. hxg3 h6 12. a4 0-0 13. Re1 a6 14. Qb3 Rb8 15. Bf1 Na5 16. Qa2 Qc7 17. Ne5 Rfc8 18. Rac1 b5 19. Ra1 b4 20. Rac1 bxc3 21. bxc3 Bxe5 22. Rxe5 Rb6 23. c4 dxc4 24. Rxa5 c3 25. Rc5 cxd2 26. Qxd2 Qd6 27. Rxc8+ Kh7 28. Bd3 g6 29. Bxf5 gxf5 30. Qf4 Rb4 31. Qxd6 1-0

[Event "Titled Tuesday intern op 20th July"]
[Site "Chess.com INT"]
[Date "2021.07.20"]
[Round "6"]
[White "Kornyukov, Alexey"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2452"]
[BlackElo "2147"]
[PlyCount "129"]
[EventDate "2021.07.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 b5 4. a4 c6 5. axb5 cxb5 6. Nc3 a6 7. Nxb5 axb5 8. Rxa8 Bb7 9. Ra1 Bxe4 10. b3 e5 11. bxc4 Bb4+ 12. Bd2 Bxd2+ 13. Qxd2 bxc4 14. dxe5 Qxd2+ 15. Kxd2 Ne7 16. f3 Bd5 17. Ne2 0-0 18. Nc3 Be6 19. Ra8 Rd8+ 20. Kc1 g6 21. Be2 Kg7 22. Rd1 Rxd1+ 23. Bxd1 Nbc6 24. f4 g5 25. fxg5 Nxe5 26. Bf3 Nd3+ 27. Kd2 Nc5 28. Ra7 Nf5 29. Bd5 Nb3+ 30. Ke2 Nbd4+ 31. Kf2 Bxd5 32. Nxd5 Nb5 33. Rb7 Nbd6 34. Rc7 Ne4+ 35. Kf3 Nxg5+ 36. Kg4 Ne6 37. Rxc4 Nh6+ 38. Kf3 Ng5+ 39. Kg3 Ne6 40. Nf4 Nf8 41. Kf3 Ng6 42. Rc5 Ng8 43. g4 Nf6 44. Nh5+ Nxh5 45. Rxh5 Ne7 46. h4 Ng6 47. Kg3 h6 48. Rf5 Ne7 49. Ra5 Ng6 50. h5 Nf8 51. g5 hxg5 52. Rxg5+ Kh6 53. Kg4 Nh7 54. Rf5 f6 55. Ra5 Ng5 56. Kf5 Nh7 57. Kg4 Ng5 58. Rb5 Nh7 59. Rb8 Ng5 60. Rg8 Nf7 61. Rg6+ Kh7 62. Rxf6 Ne5+ 63. Kf5 Nf3 64. Kf4 Nh4 65. Kg3 1-0

[Event "Titled Tuesday intern op 20th July"]
[Site "Chess.com INT"]
[Date "2021.07.20"]
[Round "3"]
[White "Obolentseva, Alexandra"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2302"]
[BlackElo "2147"]
[PlyCount "63"]
[EventDate "2021.07.20"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. b3 Nf6 5. Bb2 Nbd7 6. Nf3 b6 7. e3 Bb7 8. Bd3 Be7 9. 0-0 0-0 10. Qe2 Ne4 11. Nd2 Nxd2 12. Qxd2 dxc4 13. bxc4 c5 14. Qc2 Nf6 15. Ne4 Nxe4 16. Bxe4 Bxe4 17. Qxe4 cxd4 18. exd4 Bf6 19. Rfd1 Rc8 20. Rac1 Qe7 21. Rd3 Rfd8 22. Rb3 Rd6 23. Ba3 Rxd4 24. Qxd4 Qxa3 25. Rxa3 Bxd4 26. Rxa6 g6 27. Kf1 b5 28. c5 Rxc5 29. Rxc5 Bxc5 30. Ra5 h5 31. Rxb5 Bd6 32. a4 1-0

[Event "New York State-ch 138th"]
[Site "Colonie"]
[Date "2016.09.05"]
[Round "6"]
[White "Calderon, Zachary"]
[Black "McDermott, Michael"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "2021"]
[BlackElo "1873"]
[PlyCount "57"]
[EventDate "2016.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. b3 e6 2. Bb2 Nf6 3. e3 Be7 4. f4 b6 5. Nf3 Bb7 6. Be2 d6 7. 0-0 Nbd7 8. Qe1 Nc5 9. d4 Nce4 10. Nbd2 0-0 11. Nxe4 Nxe4 12. Bd3 f5 13. Nd2 Nxd2 14. Qxd2 Rf6 15. Rae1 Rg6 16. e4 Bh4 17. Re2 fxe4 18. Bxe4 Bxe4 19. Rxe4 d5 20. Re3 Qd6 21. Qe2 Rf8 22. Rff3 Rxf4 23. Ba3 c5 24. dxc5 Qb8 25. c6 Rxf3 26. Rxf3 Bf6 27. Qxe6+ Kh8 28. Qd7 Bd4+ 29. Kf1 1-0

[Event "New York State-ch 138th"]
[Site "Colonie"]
[Date "2016.09.03"]
[Round "1"]
[White "Calderon, Zachary"]
[Black "Brooks, Chris"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2021"]
[BlackElo "2094"]
[PlyCount "91"]
[EventDate "2016.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. b3 Nc6 2. Bb2 d5 3. e3 Nf6 4. f4 Bg4 5. Nf3 Qd7 6. d3 Bxf3 7. Qxf3 e6 8. Nd2 Be7 9. g4 0-0-0 10. g5 Ne8 11. 0-0-0 Kb8 12. h4 f6 13. Bh3 Qd6 14. Qg3 e5 15. fxe5 Nxe5 16. Qg2 Qa6 17. Kb1 Ba3 18. e4 Bxb2 19. Kxb2 d4 20. Rhf1 Nd6 21. a4 Qa5 22. Nb1 fxg5 23. hxg5 Qb4 24. Na3 Qc3+ 25. Ka2 Nc6 26. Qd2 Qc5 27. Rf2 Rhf8 28. Rdf1 Rxf2 29. Rxf2 b5 30. axb5 Nb4+ 31. Kb2 Nxb5 32. Nxb5 Qxb5 33. Rf5 Qb6 34. Bg2 g6 35. Rf6 Qa5 36. Ra6 Qxa6 37. Qxb4+ Qb6 38. Qe7 Qd6 39. Qxh7 Rf8 40. Qg7 Rf2 41. e5 Qf8 42. Qd7 Rxg2 43. Qb5+ Kc8 44. e6 Re2 45. Qd7+ Kb8 46. Qb5+ 1/2-1/2

[Event "New York State-ch 138th"]
[Site "Colonie"]
[Date "2016.09.03"]
[Round "2"]
[White "Stenzel, Harold G"]
[Black "Calderon, Zachary"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2000"]
[BlackElo "2021"]
[PlyCount "56"]
[EventDate "2016.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. a3 Nf6 5. Bd3 c5 6. Nf3 cxd4 7. Nxd4 Nc6 8. Nf3 d6 9. 0-0 Be7 10. Bf4 a6 11. h3 Qc7 12. Qe2 0-0 13. Rfe1 Nd7 14. Rad1 Rfd8 15. Nb1 g6 16. Nbd2 b5 17. e5 Ncxe5 18. Nxe5 Nxe5 19. Bxe5 dxe5 20. Qxe5 Qxe5 21. Rxe5 Bf6 22. Rc5 Bxb2 23. Rc7 Bd5 24. a4 bxa4 25. c4 Bxg2 26. Kxg2 Rxd3 27. Kf1 Rad8 28. Ke2 Bc3 0-1

[Event "New York State-ch 133rd"]
[Site "Colonie"]
[Date "2011.09.02"]
[Round "1"]
[White "Calderon, Zachary"]
[Black "Connors, David A"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "99"]
[EventDate "2011.09.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 c6 6. Qd2 b5 7. a3 0-0 8. h4 Nh5 9. Nge2 e5 10. g4 exd4 11. Nxd4 Ng3 12. Rh3 Nxf1 13. Kxf1 h5 14. Rg3 Qxh4 15. Kg2 hxg4 16. fxg4 Qe7 17. Rh1 Be5 18. Bf4 Bxf4 19. Qxf4 g5 20. Nf5 gxf4 21. Nxe7+ Kg7 22. Rf3 Bxg4 23. Rxf4 Be6 24. Nf5+ Bxf5 25. exf5 Kf6 26. Ne4+ Ke5 27. Kf3 Nd7 28. Re1 Kd5 29. Rd1+ Ke5 30. Rxd6 Nc5 31. Rxc6 Nxe4 32. Rxe4+ Kd5 33. Rc7 Rac8 34. Ree7 Rxc7 35. Rxc7 Kd6 36. Rxa7 f6 37. Ra5 Rc8 38. Rxb5 Rxc2 39. a4 Kc6 40. b3 Rb2 41. Kg4 Rf2 42. Kh5 Rg2 43. b4 Rg3 44. Rc5+ Kb6 45. a5+ Kb7 46. b5 Ra3 47. b6 Rg3 48. Rc7+ Ka6 49. Ra7+ Kb5 50. b7 1-0

[Event "Guilderland op"]
[Site "Guilderland"]
[Date "2003.10.11"]
[Round "4"]
[White "Garrett, Cody"]
[Black "Calderon, Zachary"]
[Result "0-1"]
[ECO "A21"]
[PlyCount "39"]
[EventDate "2003.10.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. c4 Bb4 3. Nc3 Bxc3 4. dxc3 Nh6 5. Nh3 0-0 6. Ng5 f5 7. exf5 g6 8. Bd3 Re8 9. Nxh7 Kxh7 10. Be4 Nc6 11. Bxc6 dxc6 12. 0-0 Bxf5 13. c5 Qxd1 14. Rxd1 Re7 15. Rf1 Rae8 16. Bxh6 Kxh6 17. Rad1 Bc2 18. Rc1 Ba4 19. Rce1 Bc2 20. Re4 0-1

[Event "Guilderland op"]
[Site "Guilderland"]
[Date "2003.10.11"]
[Round "3"]
[White "Moore, Paul E"]
[Black "Calderon, Zachary"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "750"]
[PlyCount "49"]
[EventDate "2003.10.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. e3 Na6 3. Bd3 c5 4. c3 cxd4 5. cxd4 Nh6 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. Nc3 e6 9. Nf3 Bb4 10. Bd2 Bxc3 11. Bxc3 0-0 12. Ne5 Qc7 13. Rc1 Nf5 14. Bb4 Rfd8 15. Rxc7 Nxc7 16. g4 Nh4 17. Be7 Re8 18. Bxh4 g6 19. Bf6 Reb8 20. Qa4 Ne8 21. Qd7 Nxf6 22. Qxf7+ Kh8 23. Qxf6+ Kg8 24. Qxe6+ Kf8 25. Qf7# 1-0

