[Event "Barcelona Sant Marti op-B 23rd"]
[Site "Barcelona"]
[Date "2023.07.21"]
[Round "9"]
[White "Sacristan Collado, Lucas"]
[Black "Arjona Bereza, Ivan"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1453"]
[BlackElo "1344"]
[PlyCount "96"]
[EventDate "2023.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[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. exd5 exd5 4. Nf3 Bf5 5. Bf4 Bd6 6. Bxd6 Qxd6 7. Bd3 Bxd3 8. Qxd3 Nf6 9. 0-0 0-0 10. Re1 c5 11. c3 Nc6 12. Nbd2 c4 13. Qf5 Rfe8 14. Ne5 Ne7 15. Qh3 Ng6 16. Ndf3 Re7 17. Qg3 Ne4 18. Qh3 f6 19. Nxg6 hxg6 20. Re3 f5 21. Qh4 Qf6 22. Qxf6 gxf6 23. Nd2 Rae8 24. Nxe4 Rxe4 25. Rae1 f4 26. Rxe4 dxe4 27. f3 e3 28. g3 g5 29. gxf4 gxf4 30. Kf1 Kf7 31. Ke2 Rg8 32. Kf1 Ke6 33. Re2 Kd5 34. Rg2 Rg5 35. Re2 Rh5 36. Kg2 Rg5+ 37. Kf1 a5 38. Rg2 b5 39. Re2 b4 40. a3 bxc3 41. bxc3 Rh5 42. Rb2 Kc6 43. Kg1 Rg5+ 44. Kf1 Rh5 45. Kg1 Rh7 46. Kf1 Re7 47. Ke2 f5 48. Kf1 Rh7 1/2-1/2

[Event "Barcelona Sant Marti op-B 23rd"]
[Site "Barcelona"]
[Date "2023.07.20"]
[Round "8"]
[White "Arjona Bereza, Ivan"]
[Black "Gibert Juan, Ramon"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1344"]
[BlackElo "1487"]
[PlyCount "56"]
[EventDate "2023.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 a6 5. Bd3 c5 6. c3 c4 7. Bc2 Nc6 8. Nbd2 Be7 9. 0-0 0-0 10. e4 dxe4 11. Nxe4 Nd5 12. Bg3 h6 13. h3 b5 14. Qd2 Bb7 15. Bf4 Nxf4 16. Qxf4 f5 17. Ned2 Bd6 18. Qe3 Qe7 19. Rfe1 Rae8 20. Ne5 Nxe5 21. dxe5 Bc5 22. Qe2 Qg5 23. Nf3 Qg3 24. Bd1 Rd8 25. b3 Bd5 26. Bc2 Rd7 27. Rad1 Rfd8 28. Rd2 Bxf3 0-1

[Event "Barcelona Sant Marti op-B 23rd"]
[Site "Barcelona"]
[Date "2023.07.19"]
[Round "7"]
[White "Pons Camacho, Marc"]
[Black "Arjona Bereza, Ivan"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1699"]
[BlackElo "1344"]
[PlyCount "96"]
[EventDate "2023.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[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. exd5 exd5 4. Nf3 Bf5 5. Bd3 Qd7 6. Bf4 Nf6 7. Bxf5 Qxf5 8. Bxc7 Qe6+ 9. Be5 Bd6 10. Qe2 0-0 11. 0-0 Nc6 12. c3 Nd7 13. Re1 Rfe8 14. Kf1 Ndxe5 15. Nxe5 Nxe5 16. dxe5 Qxe5 17. Qxe5 Bxe5 18. h3 d4 19. cxd4 Bxd4 20. Rxe8+ Rxe8 21. Nc3 f6 22. Rd1 Bxc3 23. bxc3 Rc8 24. Rc1 Kf7 25. Ke2 Ke6 26. Kd3 Rc5 27. Re1+ Kd7 28. Re2 b5 29. Rb2 Kc6 30. Re2 Rd5+ 31. Kc2 Re5 32. Rxe5 fxe5 33. Kd3 Kd5 34. f3 h5 35. h4 g6 36. g4 a6 37. gxh5 gxh5 38. Kc2 Ke6 39. Kd3 Kf5 40. Ke3 a5 41. a3 a4 42. Ke2 Kf4 43. Kf2 e4 44. fxe4 Kxe4 45. Ke2 Kf4 46. Kf2 Kg4 47. Ke3 Kxh4 48. Kf4 Kh3 1/2-1/2

[Event "Barcelona Sant Marti op-B 23rd"]
[Site "Barcelona"]
[Date "2023.07.18"]
[Round "6"]
[White "Arjona Bereza, Ivan"]
[Black "Vardanyan Asilbekyan, Ani"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1344"]
[BlackElo "1504"]
[PlyCount "98"]
[EventDate "2023.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 0-0 5. Bd3 d6 6. 0-0 c5 7. c3 Nc6 8. Nbd2 h6 9. Qc2 cxd4 10. exd4 Bd7 11. Rfe1 Rc8 12. Qb3 Kh8 13. Re2 Na5 14. Qd1 b5 15. Ne4 Nd5 16. Bg3 f5 17. Ned2 f4 18. Bh4 g5 19. Bxg5 hxg5 20. Nxg5 Qe8 21. Nh7 Bf5 22. Qb1 Bxh7 23. Bxh7 Qh5 24. Bd3 Nc4 25. Nf3 Bf6 26. Bg6 Qh6 27. Qe4 Ncb6 28. Bf5 Rcd8 29. Be6 Nc7 30. Qb7 Nxe6 31. Rxe6 Rg8 32. Qxe7 Bxe7 33. Rxh6+ Kg7 34. Rh5 a6 35. Re1 Kg6 36. Rh3 Rde8 37. Kf1 Bf6 38. b3 Rxe1+ 39. Nxe1 b4 40. cxb4 Bxd4 41. Rd3 Be5 42. Nf3 Kf5 43. Nxe5 Kxe5 44. g3 fxg3 45. hxg3 d5 46. Ke2 d4 47. f3 Nd5 48. a3 Rxg3 49. f4+ Nxf4+ 0-1

[Event "Barcelona Sant Marti op-B 23rd"]
[Site "Barcelona"]
[Date "2023.07.17"]
[Round "5"]
[White "Arnau Juli, Alfred"]
[Black "Arjona Bereza, Ivan"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1593"]
[BlackElo "1344"]
[PlyCount "62"]
[EventDate "2023.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 c6 6. h3 g6 7. Nf3 Nbd7 8. Nc3 Bg7 9. 0-0-0 b5 10. d5 b4 11. dxc6 Nc5 12. Qb5 bxc3 13. c7+ Qd7 14. Qxd7+ Nfxd7 15. bxc3 Ne4 16. Rd3 Nxf2 17. Rhd1 Nxd1 18. Rxd1 Bxc3 19. Rd3 Ba5 20. c8Q+ Rxc8 21. Ra3 Bb6 22. Nd2 0-0 23. g4 Rc6 24. Bh6 Rfc8 25. c4 Ne5 26. Ra4 Nxc4 27. Nxc4 Rxc4+ 28. Rxc4 Rxc4+ 29. Kb2 Re4 30. a3 Bxe3 31. Bxe3 Rxe3 0-1

[Event "Barcelona Sant Marti op-B 23rd"]
[Site "Barcelona"]
[Date "2023.07.16"]
[Round "4"]
[White "Arjona Bereza, Ivan"]
[Black "Martinez Hernandez, Emili"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1344"]
[BlackElo "1594"]
[PlyCount "42"]
[EventDate "2023.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 e6 4. e3 Bd6 5. Bd3 Bxf4 6. exf4 Qd6 7. Ne5 Qb4+ 8. Qd2 Qxb2 9. a3 Qxa1 10. Qb4 a5 11. Qb5+ c6 12. Qb6 Nbd7 13. Qb3 Qxd4 14. g3 Nxe5 15. fxe5 Qxe5+ 16. Be2 0-0 17. Nc3 d4 18. Nd1 Nd5 19. Qd3 b6 20. 0-0 Ba6 21. Qd2 Qxe2 0-1

[Event "Barcelona Sant Marti op-B 23rd"]
[Site "Barcelona"]
[Date "2023.07.15"]
[Round "3"]
[White "Ramirez Cruz, Alberto"]
[Black "Arjona Bereza, Ivan"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1614"]
[BlackElo "1344"]
[PlyCount "67"]
[EventDate "2023.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Bxd3 7. Qxd3 g6 8. 0-0 Bg7 9. e4 e5 10. Bg5 0-0 11. Qd2 Qb6 12. h3 exd4 13. Nxd4 Ne5 14. b3 Nfd7 15. Rad1 f6 16. Be3 Nc5 17. Ne6 Rfe8 18. Nxc5 dxc5 19. Na4 Qc7 20. Nxc5 Rad8 21. Qc2 Qc8 22. Rxd8 Rxd8 23. Rd1 b6 24. Na4 Bf8 25. c5 b5 26. Nb2 a5 27. a4 Qc7 28. Qe2 Rxd1+ 29. Qxd1 Qf7 30. axb5 cxb5 31. Qd5 Qxd5 32. exd5 Kf7 33. f4 Nd7 34. c6 1-0

[Event "Barcelona Sant Marti op-B 23rd"]
[Site "Barcelona"]
[Date "2023.07.14"]
[Round "2"]
[White "Arjona Bereza, Ivan"]
[Black "Ballester Valls, Juan Antonio"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1344"]
[BlackElo "1639"]
[PlyCount "93"]
[EventDate "2023.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. e3 Qb6 4. b3 d6 5. Bd3 Nc6 6. c3 cxd4 7. exd4 g6 8. Nf3 Bg7 9. Nbd2 0-0 10. 0-0 Nd5 11. Nc4 Qd8 12. Bd2 Be6 13. Ne3 Nf4 14. Be4 d5 15. Bc2 Qd6 16. Qb1 Bd7 17. Rd1 b5 18. Bd3 Nxd3 19. Qxd3 a6 20. Bc1 f5 21. Bb2 f4 22. Nc2 Bf5 23. Qe2 Qf6 24. Ba3 Be4 25. c4 Bxc2 26. Qxc2 b4 27. cxd5 Nxd4 28. Nxd4 bxa3 29. Rac1 Rfc8 30. Nc6 Qd6 31. Qe4 Kf7 32. Rc4 Re8 33. Re1 Bf6 34. Qxf4 Qxf4 35. Rxf4 Kg7 36. Ra4 e5 37. Rxa3 e4 38. Ra4 e3 39. Rxe3 Rxe3 40. fxe3 Re8 41. e4 Bg5 42. e5 Rf8 43. g3 Be3+ 44. Kg2 g5 45. Re4 Bb6 46. Nd4 h5 47. Ne6+ 1-0

[Event "Barcelona Sant Marti op-B 23rd"]
[Site "Barcelona"]
[Date "2023.07.13"]
[Round "1"]
[White "Munoz Esteve, Antoni"]
[Black "Arjona Bereza, Ivan"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1703"]
[BlackElo "1344"]
[PlyCount "59"]
[EventDate "2023.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 d4 7. 0-0 e5 8. Re1 Nge7 9. h3 Be6 10. a4 Qd7 11. Ng5 h6 12. Nxe6 fxe6 13. Nc4 0-0-0 14. Bd2 Bc7 15. Qg4 g5 16. b3 a5 17. Kh2 Rdf8 18. Rf1 Ng8 19. Qe2 Nf6 20. Qe1 b6 21. Na3 Ne7 22. Rd1 Ng6 23. Nb5 g4 24. h4 Bd8 25. Qe2 h5 26. c3 Rf7 27. cxd4 exd4 28. e5 Ne8 29. Qe4 Ne7 30. Qa8# 1-0

[Event "ESP-ch U10"]
[Site "Salobrena"]
[Date "2021.07.03"]
[Round "9"]
[White "Prieto Rol, Esther"]
[Black "Arjona Bereza, Ivan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1179"]
[BlackElo "1125"]
[PlyCount "180"]
[EventDate "2021.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 d5 4. Bd3 c5 5. c3 cxd4 6. exd4 Nc6 7. Nf3 Bd6 8. Bg3 0-0 9. 0-0 Qc7 10. Nbd2 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Bxe5 Qxe5 14. Nf3 Qc7 15. Re1 Bg4 16. Be2 Qb6 17. Qc2 Rfe8 18. Nd4 Bxe2 19. Rxe2 Rxe2 20. Qxe2 Re8 21. Qd2 h6 22. g3 Ne4 23. Qc2 Nd6 24. Qb3 Nc4 25. Qxb6 Nxb6 26. Rd1 Na4 27. Rd2 a6 28. Ne2 g5 29. Kf1 Nb6 30. Nc1 Nc4 31. Rc2 f6 32. Nd3 a5 33. b3 Na3 34. Rc1 Rc8 35. Ke2 Nb5 36. Kd2 Kf7 37. Nb2 d4 38. cxd4 Rxc1 39. Kxc1 Nxd4 40. Nc4 Nf3 41. h3 Ke6 42. Kc2 Nd4+ 43. Kd3 Nc6 44. a3 b5 45. Ne3 h5 46. Ke4 Ne7 47. Kd4 Kd6 48. a4 b4 49. Kc4 Kc6 50. Kd4 Ng6 51. Nf5 Ne5 52. Ng7 g4 53. h4 Nf3+ 54. Ke3 Kd5 55. Nxh5 Ke5 56. Ng7 f5 57. h5 Kf6 58. h6 Kg6 59. Kf4 Nd4 60. Ke3 Nxb3 61. Nxf5 Nc5 62. Nd4 Kxh6 63. Kf4 Nd3+ 64. Ke3 Nc5 65. Nc6 Nxa4 66. Nxa5 Nc3 67. Nb3 Nd1+ 68. Kd2 Nxf2 69. Ke3 Nh3 70. Ke4 Kg5 71. Nd4 Nf2+ 72. Ke3 Nh1 73. Ne2 Kf5 74. Nd4+ Kg5 75. Ne2 b3 76. Kd2 Kf5 77. Nd4+ Ke4 78. Nxb3 Kf3 79. Ke1 Nxg3 80. Nd2+ Ke3 81. Nc4+ Kd4 82. Kf2 Ne4+ 83. Kg2 Kxc4 84. Kh2 Kd3 85. Kg2 Ke2 86. Kh1 Kf2 87. Kh2 g3+ 88. Kh1 g2+ 89. Kh2 g1Q+ 90. Kh3 Qg3# 0-1

[Event "ESP-ch U10"]
[Site "Salobrena"]
[Date "2021.07.02"]
[Round "8"]
[White "Arjona Bereza, Ivan"]
[Black "Gimeno Torres, Laura"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1125"]
[PlyCount "73"]
[EventDate "2021.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 Ng4 6. 0-0 d5 7. exd6 Qxd6 8. Qe2+ Be7 9. b3 0-0 10. h3 Nf6 11. Bb2 Bf5 12. Rd1 Rae8 13. Nxd4 Qf4 14. Qd2 Qxd2 15. Rxd2 Nxd4 16. Bxd4 Rd8 17. c3 Bxb1 18. Rxb1 c5 19. Be3 Ne4 20. Rc2 a6 21. f3 Ng3 22. Bf4 Bd6 23. Bxd6 Rxd6 24. Kf2 Nf5 25. g4 Ne7 26. a4 Rfd8 27. Re1 Ng6 28. Kg3 h6 29. h4 R8d7 30. Re8+ Nf8 31. Rce2 Rd2 32. R2e7 Rd8 33. Rxf7 Rxe8 34. Re7+ Kh7 35. Rxe8 Ng6 36. h5 Nh8 37. Bg8# 1-0

[Event "ESP-ch U10"]
[Site "Salobrena"]
[Date "2021.07.02"]
[Round "7"]
[White "Llop Romeo, Tanit"]
[Black "Arjona Bereza, Ivan"]
[Result "0-1"]
[ECO "C06"]
[BlackElo "1125"]
[PlyCount "54"]
[EventDate "2021.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. f3 d5 3. Nc3 c5 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. Nge2 d4 7. Nb1 Nc6 8. d3 Nf6 9. Bf4 Nh5 10. Bg3 Nxg3 11. Nxg3 Bd6 12. Nd2 Qc7 13. Ndf1 0-0-0 14. Qe2 f5 15. exf5 exf5 16. Nxf5 Rhe8 17. N1e3 dxe3 18. Nxe3 Bf4 19. 0-0-0 Rxe3 20. Qxe3 Bxe3+ 21. Kb1 Qb6 22. b3 Bd4 23. Rhe1 Qa5 24. Re4 Qa3 25. Rxd4 cxd4 26. c4 dxc3 27. Rc1 Qb2# 0-1

[Event "ESP-ch U10"]
[Site "Salobrena"]
[Date "2021.07.01"]
[Round "6"]
[White "Arjona Bereza, Ivan"]
[Black "Pantiga Aguilar, Alejandro"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1125"]
[PlyCount "76"]
[EventDate "2021.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 c4 7. Be2 Nge7 8. Bg5 h6 9. Bxe7 Bxe7 10. Qc2 Bd7 11. Nbd2 g5 12. h3 0-0-0 13. b3 h5 14. Nh2 cxb3 15. axb3 Kb8 16. Qa2 Rdf8 17. c4 f6 18. cxd5 exd5 19. exf6 Rxf6 20. Nhf3 Rff8 21. Rc1 g4 22. Ng1 Nxd4 23. Nb1 Nxe2 24. Nxe2 Qxf2+ 25. Kd1 Bb5 26. Nbc3 Bxe2+ 27. Nxe2 Qf5 28. Qd2 Bg5 29. Ng3 Bxd2 30. Nxf5 Bxc1 31. Kxc1 Rxf5 32. hxg4 Rg5 33. gxh5 Rhxh5 34. Rxh5 Rxh5 35. Kd2 Rh2 36. Kd3 Rxg2 37. Kd4 Kc7 38. Kxd5 Rc2 0-1

[Event "ESP-ch U10"]
[Site "Salobrena"]
[Date "2021.06.30"]
[Round "4"]
[White "Arjona Bereza, Ivan"]
[Black "San Vicente Crespo, Pablo"]
[Result "1/2-1/2"]
[ECO "B57"]
[WhiteElo "1125"]
[BlackElo "1300"]
[PlyCount "135"]
[EventDate "2021.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Be7 7. Bc4 d6 8. Bg5 0-0 9. Bxf6 Bxf6 10. Qd2 a6 11. 0-0-0 Be7 12. Nd5 Bh4 13. g3 Bg4 14. Nxh4 Bxd1 15. Rxd1 b5 16. Bf1 Rc8 17. Bh3 Rb8 18. f4 a5 19. Nf5 b4 20. Qe2 g6 21. Qg4 h5 22. Qg5 Qxg5 23. fxg5 gxf5 24. Nf6+ Kg7 25. Nd7 fxe4 26. Rxd6 Nd4 27. Nxf8 Kxf8 28. c3 bxc3 29. bxc3 Rc8 30. Bxc8 Nf3 31. h4 e3 32. Kd1 Nd2 33. Ke2 Kg7 34. Ba6 Ne4 35. Rd5 Nxc3+ 36. Kxe3 Nxd5+ 37. Ke4 Nc3+ 38. Kxe5 Nxa2 39. Kf5 Nc3 40. g4 hxg4 41. Kxg4 a4 42. Bc4 Nd1 43. Ba2 Ne3+ 44. Kf3 Nf5 45. h5 Nd4+ 46. Ke4 Nc2 47. Kf4 Nb4 48. Bc4 a3 49. Kf5 Nc2 50. h6+ Kg8 51. Kf6 Ne3 52. Bxf7+ Kh8 53. Be6 Ng4+ 54. Kf5 Ne3+ 55. Ke4 Ng4 56. Kf4 Nxh6 57. gxh6 Kh7 58. Kg5 Kh8 59. Kh4 Kh7 60. Kh5 Kh8 61. Ba2 Kh7 62. Bb1+ Kh8 63. Kg5 Kg8 64. Kf6 Kh8 65. Ke5 Kg8 66. Kf6 Kh8 67. Ba2 Kh7 68. Ke5 1/2-1/2

[Event "ESP-ch U10"]
[Site "Salobrena"]
[Date "2021.06.30"]
[Round "5"]
[White "Reboredo Barrosa, Antia"]
[Black "Arjona Bereza, Ivan"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1071"]
[BlackElo "1125"]
[PlyCount "35"]
[EventDate "2021.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 g6 6. Bc4 Bg7 7. 0-0 Nf6 8. Qe2 d6 9. h3 0-0 10. Rd1 Qc7 11. Bb3 e5 12. Be3 a6 13. Rac1 Be6 14. Nd5 Bxd5 15. exd5 e4 16. Ne1 Rfe8 17. dxc6 bxc6 18. Ba4 1-0

[Event "ESP-ch U10"]
[Site "Salobrena"]
[Date "2021.06.29"]
[Round "3"]
[White "Mena Lorente, Jorge"]
[Black "Arjona Bereza, Ivan"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "1125"]
[PlyCount "86"]
[EventDate "2021.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nc3 Bb4 5. Be2 Bb7 6. Nf3 Nc6 7. a3 Bxc3+ 8. bxc3 Nd5 9. Qd2 Nxf4 10. exf4 d5 11. Qd3 Qd6 12. Ne5 f6 13. Bh5+ Ke7 14. Ng6+ hxg6 15. Qxg6 Rxh5 16. Qxg7+ Ke8 17. Qg6+ Kd7 18. Qxh5 Qxf4 19. 0-0 Re8 20. Rfe1 Re7 21. Re2 e5 22. h4 Ba6 23. Re3 Na5 24. g3 Rg7 25. Qh8 Qg4 26. h5 e4 27. h6 Rg8 28. Qh7+ Kd6 29. Qf7 Qg6 30. Qxg6 Rxg6 31. f3 Rxh6 32. fxe4 Nc4 33. e5+ fxe5 34. dxe5+ Nxe5 35. Rae1 Nc4 36. Rd3 Nxa3 37. Ra1 Bxd3 38. cxd3 Nb5 39. c4 dxc4 40. dxc4 Nc3 41. Rxa7 Rg6 42. Ra3 Rxg3+ 43. Kf2 Ne4+ 0-1

[Event "ESP-ch U10"]
[Site "Salobrena"]
[Date "2021.06.28"]
[Round "2"]
[White "Arjona Bereza, Ivan"]
[Black "Palomo Monserrat, Lorenzo"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1125"]
[BlackElo "1336"]
[PlyCount "28"]
[EventDate "2021.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nf5 Nf6 6. Nc3 d5 7. Bg5 d4 8. Bxf6 gxf6 9. Ne2 Bxf5 10. exf5 e4 11. c3 d3 12. Ng3 Qd5 13. Qd2 0-0-0 14. a3 Bh6 0-1

[Event "Catalunya-ch U18/20"]
[Site "Salou"]
[Date "2021.03.31"]
[Round "7"]
[White "Arjona Bereza, Ivan"]
[Black "Alonso Gimenez, Mauro"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "1093"]
[BlackElo "1367"]
[PlyCount "77"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Bxf7+ Kxf7 5. Nxe4 d5 6. Qf3+ Kg8 7. Ng3 e4 8. Nxe4 Qe8 9. d3 dxe4 10. dxe4 Bc5 11. b3 b6 12. Bb2 Bb7 13. 0-0-0 Na6 14. Qg4 Qg6 15. Qh3 Bxe4 16. Rd7 Bf5 17. Rxg7+ Qxg7 18. Qxf5 Qh6+ 19. f4 Rd8 20. Nh3 Qg6 21. Qe5 Kf7 22. Ng5+ Kf8 23. Qxh8+ Ke7 24. Bf6+ Kd7 25. Rd1+ Kc6 26. Qxd8 Nb4 27. Qa8+ Kb5 28. a4+ Ka6 29. Ne4 Be3+ 30. Kb2 c6 31. c3 Qxg2+ 32. Ka3 Nc2+ 33. Kb2 Ne1+ 34. Nd2 Nd3+ 35. Ka3 Nc5 36. b4 Qe2 37. Qxc6 Qxd1 38. b5+ Ka5 39. Nc4# 1-0

[Event "Catalunya-ch U18/20"]
[Site "Salou"]
[Date "2021.03.31"]
[Round "8"]
[White "Arjona Bereza, Ivan"]
[Black "Herman Gamazo, Isaac"]
[Result "0-1"]
[ECO "C27"]
[WhiteElo "1093"]
[BlackElo "1542"]
[PlyCount "52"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. f4 d5 5. Bxd5 Ng4 6. Nh3 Qh4+ 7. Kf1 Nf2 8. Bxf7+ Kxf7 9. Ng5+ Qxg5 10. fxg5 Nxd1 11. Nxd1 Be6 12. b3 Nc6 13. Nc3 Nd4 14. Na4 Be7 15. c3 Nb5 16. h4 Rhf8 17. Ke1 b6 18. d3 Rad8 19. c4 Nd4 20. Kd2 Bb4+ 21. Nc3 Ke7 22. Bb2 Rf2+ 23. Kc1 Rdf8 24. a4 Rc2+ 25. Kb1 Bxc3 26. Ba3+ c5 0-1

