[Event "POL-ch U12 Girls"]
[Site "Uniejow"]
[Date "2021.07.25"]
[Round "9"]
[White "Oleksiuk, Anna"]
[Black "Mitrega, Lena"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1145"]
[PlyCount "44"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Bf5 5. Bc4 e6 6. d3 Nf6 7. Bd2 c6 8. 0-0 Qc7 9. Re1 Bd6 10. h3 Nbd7 11. Qe2 0-0-0 12. a4 h6 13. a5 a6 14. Be3 Bc5 15. Bxc5 Nxc5 16. b4 Ncd7 17. Ne5 Nxe5 18. Qxe5 Qxe5 19. Rxe5 g5 20. Rb1 g4 21. Kh2 Rdg8 22. h4 g3+ 0-1

[Event "POL-ch U12 Girls"]
[Site "Uniejow"]
[Date "2021.07.24"]
[Round "8"]
[White "Mitrega, Lena"]
[Black "Bratoszewska, Aleksandra"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "55"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nc6 4. Ng5 Qe7 5. Bxf7+ Kd8 6. Bb3 d6 7. Nf7+ Ke8 8. Nxh8 Bg4 9. f3 Bh5 10. h4 Nxe4 11. g4 Ng3 12. Rh3 Nd4 13. gxh5 Nxh5 14. Bf7+ Kd8 15. Bxh5 e4 16. Kf2 exf3 17. Bxf3 Qe6 18. Rh2 Qe5 19. Rg2 d5 20. c3 Nxf3 21. Qxf3 Bc5+ 22. d4 Bxd4+ 23. cxd4 Qxd4+ 24. Kg3 Qe5+ 25. Bf4 Qe8 26. Qxd5+ Ke7 27. Re2+ Kf6 28. Qg5# 1-0

[Event "POL-ch U12 Girls"]
[Site "Uniejow"]
[Date "2021.07.23"]
[Round "7"]
[White "Wittych, Julia"]
[Black "Mitrega, Lena"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1107"]
[PlyCount "75"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[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 Be7 5. Nxd4 Nf6 6. Nc3 Bb4 7. 0-0 0-0 8. Nde2 h6 9. a3 Bxc3 10. Nxc3 Re8 11. Re1 b6 12. Bf4 d6 13. h3 Na5 14. Bd3 Nb7 15. Qf3 Nc5 16. e5 dxe5 17. Qxa8 exf4 18. Rxe8+ Qxe8 19. Qf3 Qe5 20. Qe2 Qg5 21. b4 Bb7 22. f3 Ne6 23. Bc4 Nd4 24. Qf2 Nxf3+ 25. Kh1 Qe5 26. Rd1 Qxc3 27. Rd8+ Kh7 28. Bd3+ g6 29. gxf3 Qa1+ 30. Kg2 Nd5 31. Kh2 Qe5 32. Bc4 Nf6 33. Bxf7 Qh5 34. Bg8+ Nxg8 35. Rd7+ Kh8 36. Qd4+ Nf6 37. Qxf6+ Kg8 38. Qg7# 1-0

[Event "POL-ch U12 Girls"]
[Site "Uniejow"]
[Date "2021.07.22"]
[Round "5"]
[White "Borowik, Monika"]
[Black "Mitrega, Lena"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1269"]
[PlyCount "87"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. c4 Nf6 4. Nc3 e6 5. e3 Be7 6. Bd3 0-0 7. 0-0 b6 8. b3 Ba6 9. Bb2 Na5 10. cxd5 Bxd3 11. Qxd3 exd5 12. Ne5 Re8 13. Rac1 Bd6 14. f4 c5 15. Nb5 a6 16. Nxd6 Qxd6 17. Ba3 Ne4 18. Rfd1 Red8 19. Nf3 Qc6 20. Nd2 Nxd2 21. Rxd2 c4 22. Qc3 Qc7 23. Bb4 Re8 24. Bxa5 bxa5 25. bxc4 dxc4 26. Qxc4 Qxc4 27. Rxc4 Rxe3 28. Ra4 Re4 29. g3 Rd8 30. Rxa5 Rexd4 31. Rxd4 Rxd4 32. Rxa6 g6 33. Ra8+ Kg7 34. a4 Rd1+ 35. Kg2 Ra1 36. Kf3 Kf6 37. a5 Kf5 38. g4+ Kf6 39. a6 Ra3+ 40. Kg2 Ra2+ 41. Kg3 Ra3+ 42. Kh4 Ra4 43. a7 Rxf4 44. Rc8 1/2-1/2

[Event "POL-ch U12 Girls"]
[Site "Uniejow"]
[Date "2021.07.22"]
[Round "6"]
[White "Mitrega, Lena"]
[Black "Nakielna, Natalia"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "54"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. Nc3 Bf5 6. Bb5 e6 7. Ne5 Qc7 8. Bf4 Bd6 9. g4 Bg6 10. Nxg6 hxg6 11. Bxd6 Qxd6 12. Bxc6+ Qxc6 13. Qf3 Qb6 14. 0-0-0 Ne7 15. Qd3 Qc7 16. h3 Nc6 17. a3 Na5 18. Ne2 Nc4 19. Qb3 a5 20. Qb5+ Kd8 21. Rd3 Rc8 22. Rc3 Qd6 23. b3 Qxa3+ 24. Kd1 Qa1+ 25. Nc1 Qxc3 26. bxc4 Qxd4+ 27. Ke2 Qe4+ 0-1

[Event "POL-ch U12 Girls"]
[Site "Uniejow"]
[Date "2021.07.21"]
[Round "4"]
[White "Mitrega, Lena"]
[Black "Dzierzgowska, Jagoda"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1102"]
[PlyCount "48"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. Be2 Bb4 8. a3 Ba5 9. b4 Bb6 10. Bg5 Bxf3 11. Bxf6 Qxf6 12. Bxf3 Qxd4 13. Qxd4 Bxd4 14. Nxd5 Bxa1 15. Nxc7+ Kd7 16. Nxa8 Bc3+ 17. Ke2 Rxa8 18. Rd1+ Kc7 19. Bg4 Re8+ 20. Kf3 Ne5+ 21. Kf4 Nxg4 22. Kxg4 Bb2 23. a4 Re4+ 24. Kf3 Rxb4 0-1

[Event "POL-ch U12 Girls"]
[Site "Uniejow"]
[Date "2021.07.20"]
[Round "2"]
[White "Mitrega, Lena"]
[Black "Gorska, Amelia"]
[Result "1-0"]
[ECO "D32"]
[BlackElo "1166"]
[PlyCount "107"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. Nf3 Nc6 5. Bf4 Nf6 6. e3 Be7 7. Be2 a6 8. Qb3 dxc4 9. Bxc4 cxd4 10. exd4 Nxd4 11. Nxd4 Qxd4 12. Be3 Qg4 13. g3 Qf3 14. Rg1 Ng4 15. Be2 Qf5 16. Qa4+ Bd7 17. Qxg4 Qf6 18. Bg5 Qe5 19. Bxe7 Kxe7 20. Qe4 Qa5 21. a3 Rac8 22. Qb4+ Qc5 23. Qxc5+ Rxc5 24. f3 Rhc8 25. Rc1 b5 26. Kf2 e5 27. Bd3 Be6 28. Be4 a5 29. Ne2 f5 30. Bb7 Rxc1 31. Rxc1 Rxc1 32. Nxc1 Kd7 33. f4 e4 34. Ne2 Kd6 35. Nd4 Bd7 36. b4 axb4 37. axb4 g6 38. Ba6 Kd5 39. Bxb5 Bxb5 40. Nxb5 Kc4 41. Nd6+ Kxb4 42. Ne8 Kc3 43. Ke2 Kd4 44. Nf6 h6 45. Ng8 e3 46. Nxh6 Ke4 47. Ng8 Kd5 48. Ne7+ Ke6 49. Nxg6 Kf6 50. Nf8 Kf7 51. Nh7 Kg6 52. Ng5 Kh5 53. Kxe3 Kg4 54. Kd4 1-0

[Event "POL-ch U12 Girls"]
[Site "Uniejow"]
[Date "2021.07.20"]
[Round "3"]
[White "Nowak, Emilia"]
[Black "Mitrega, Lena"]
[Result "1/2-1/2"]
[ECO "C66"]
[WhiteElo "1155"]
[PlyCount "134"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Nf6 5. Re1 Be7 6. c3 Bg4 7. d4 exd4 8. cxd4 0-0 9. Bxc6 bxc6 10. Nc3 Qd7 11. h3 Bh5 12. Qd3 Qe6 13. Ng5 Qd7 14. Qc4 d5 15. exd5 Nxd5 16. Nxd5 cxd5 17. Qc3 Bxg5 18. Bxg5 Rfe8 19. Qg3 Bg6 20. Bf4 c6 21. Rxe8+ Rxe8 22. Rc1 Re2 23. Qb3 h6 24. Be3 Qc8 25. Qa3 Qb7 26. b3 a6 27. Qa4 Bd3 28. a3 Bc2 29. Qb4 Qxb4 30. axb4 Bxb3 31. Rxc6 Bc4 32. Rc8+ Kh7 33. Rc7 f6 34. Bf4 Rb2 35. Bd6 Kg8 36. Bc5 Rb1+ 37. Kh2 Rb2 38. Kg3 Rb1 39. h4 Rg1 40. Kf3 Bf1 41. g3 Bc4 42. Rc8+ Kh7 43. Kg4 Rf1 44. f4 Bd3 45. Rf8 Rh1 46. Kf3 Be4+ 47. Ke3 Rh3 48. Kf2 Rh2+ 49. Kf1 Rg2 50. Ra8 Rxg3 51. Rxa6 Bd3+ 52. Kf2 Rg4 53. Rd6 Bc4 54. b5 Bxb5 55. Rxd5 Rxf4+ 56. Kg3 Re4 57. Bb6 Bc6 58. Rd6 Re3+ 59. Kf2 Rf3+ 60. Ke2 Be4 61. Rd7 Kg6 62. d5 Rd3 63. d6 f5 64. Bc7 Kf6 65. Re7 Rd4 66. Re8 Bc6 67. Re7 Re4+ 1/2-1/2

[Event "POL-ch U12 Girls"]
[Site "Uniejow"]
[Date "2021.07.19"]
[Round "1"]
[White "Klintsevich, Aliaksandra"]
[Black "Mitrega, Lena"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1204"]
[PlyCount "38"]
[EventDate "2021.07.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. Qb3 dxc4 5. Qxb7 Nbd7 6. Nb5 Rc8 7. Bf4 e6 8. Nxc7+ Ke7 9. Qb4+ Nc5 10. Qxc5+ Kd7 11. Qb5+ Ke7 12. Qb7 Qd7 13. Rc1 g6 14. Rxc4 Kd8 15. Nf3 Nd5 16. Ne5 Rxc7 17. Rxc7 Bb4+ 18. Kd1 Nxc7 19. Nxd7 a6 1-0

