[Event "GER-ch (Women) op"]
[Site "Augsburg"]
[Date "2024.03.10"]
[Round "8"]
[White "Tuzi, Bruna"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2034"]
[BlackElo "1986"]
[PlyCount "79"]
[EventDate "2024.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 b6 4. d4 Bb7 5. Bd3 d6 6. 0-0 e6 7. Qe2 Be7 8. Re1 Nd7 9. a3 Qc7 10. b4 h5 11. e5 h4 12. h3 a5 13. bxc5 bxc5 14. a4 cxd4 15. cxd4 dxe5 16. dxe5 Rd8 17. Bb2 Nh6 18. Na3 0-0 19. Rac1 Qb8 20. Nb5 Nc5 21. Bb1 Nf5 22. Bxf5 exf5 23. Ba3 Rd5 24. Nxh4 Bxh4 25. Bxc5 Bg5 26. Bd6 Rxd6 27. exd6 Bxc1 28. Rxc1 Ba6 29. d7 Qf4 30. Qc4 Qd2 31. Qc7 Bb7 32. Nd6 Bd5 33. d8Q Qxc1+ 34. Qxc1 Rxd8 35. Qc7 Ra8 36. Nxf5 Be6 37. Ne7+ Kh7 38. Qb7 Re8 39. Kh2 g6 40. Nd5 1-0

[Event "GER-ch (Women) op"]
[Site "Augsburg"]
[Date "2024.03.09"]
[Round "6"]
[White "Birkholz, Olga"]
[Black "Krasenkova, Ilena"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1986"]
[BlackElo "2076"]
[PlyCount "108"]
[EventDate "2024.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. Ne5 Bf5 4. h3 f6 5. Nf3 e6 6. Nh4 Be4 7. Nd2 g5 8. Nhf3 Bg6 9. c4 Bd6 10. Qb3 Qc8 11. e3 Ne7 12. Bd3 a5 13. e4 a4 14. Qc2 Bf4 15. g3 Bc7 16. a3 Nd7 17. 0-0 dxc4 18. Nxc4 b5 19. Ne3 e5 20. dxe5 Nxe5 21. Nxe5 Bxe5 22. Ng4 Qe6 23. Nxe5 Qxe5 24. Be3 0-0 25. Bc5 Rac8 26. f4 gxf4 27. gxf4 Qc7 28. Qc3 Kh8 29. Rf2 Rcd8 30. Bc2 Rf7 31. Re1 Rdf8 32. Kh2 Rg7 33. b3 axb3 34. Bxb3 Bf7 35. Bc2 Bc4 36. Qe3 Rgf7 37. Qg3 Rg8 38. Qc3 Rgf8 39. e5 Nd5 40. Qg3 Rg8 41. Qh4 fxe5 42. fxe5 Rfg7 43. Bf5 Nc3 44. Bd6 Qd8 45. Qh6 Bd5 46. h4 Qb6 47. Qf4 Rg2+ 48. Rxg2 Rxg2+ 49. Kh3 Ne2 50. Rxe2 Qg1 51. Re1 Qxe1 52. e6 Qh1+ 53. Qh2 Rxh2+ 54. Bxh2 Qg2# 0-1

[Event "GER-ch (Women) op"]
[Site "Augsburg"]
[Date "2024.03.09"]
[Round "7"]
[White "Trunz, Tamila"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1891"]
[BlackElo "1986"]
[PlyCount "77"]
[EventDate "2024.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Be3 c6 4. c4 d6 5. Nc3 Bd7 6. Bd3 a5 7. Nge2 Na6 8. 0-0 Nf6 9. Qd2 h5 10. f4 Ng4 11. e5 dxe5 12. fxe5 Nxe3 13. Qxe3 Bh6 14. Qg3 Bg4 15. h3 Bxe2 16. Nxe2 0-0 17. e6 g5 18. Qf3 f5 19. Qxh5 Rf6 20. Rxf5 Qf8 21. Raf1 Qg7 22. Rxf6 exf6 23. Ng3 g4 24. Nf5 Be3+ 25. Nxe3 gxh3 26. Qxh3 Nb4 27. Ng4 f5 28. Bxf5 Qxd4+ 29. Kh1 Kf8 30. Bg6+ Ke7 31. Rf7+ Kxe6 32. Ne3+ Kd6 33. Nf5+ Kc5 34. Nxd4 Kxd4 35. Rf5 Nxa2 36. Qh4+ Ke3 37. Rf3+ Kd2 38. Qf2+ Kc1 39. Qc2# 1-0

[Event "GER-ch (Women) op"]
[Site "Augsburg"]
[Date "2024.03.08"]
[Round "5"]
[White "Bauer, Laura Sophie"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1902"]
[BlackElo "1986"]
[PlyCount "120"]
[EventDate "2024.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. a3 Nf6 5. f3 c5 6. Be3 cxd4 7. Bxd4 Nc6 8. Bf2 d6 9. Bc4 a6 10. Nge2 Qc7 11. Qd2 h6 12. 0-0-0 b5 13. Bb3 Be7 14. Kb1 Na5 15. Ba2 Nc4 16. Bxc4 bxc4 17. Qd4 e5 18. Qb6 Qc8 19. Ng3 g6 20. Nd5 Bxd5 21. exd5 Rb8 22. Qc6+ Qxc6 23. dxc6 Rc8 24. Ne4 Rxc6 25. Nxf6+ Bxf6 26. Rd5 Kd7 27. Rhd1 Rb8 28. Bc5 Be7 29. c3 Rb5 30. Be3 Rxd5 31. Rxd5 Ke6 32. Rd1 h5 33. f4 Rc8 34. Kc2 Rg8 35. Rd2 g5 36. fxg5 Bxg5 37. Bxg5 Rxg5 38. b3 cxb3+ 39. Kxb3 e4 40. Re2 f5 41. Kb4 d5 42. Ka5 Rg8 43. a4 Rc8 44. Kb4 Rc4+ 45. Kb3 a5 46. g3 Ke5 47. Re3 Rc8 48. Re2 Rd8 49. Re3 Rg8 50. Kc2 h4 51. Kd2 hxg3 52. hxg3 Rh8 53. Re2 Rh1 54. Kc2 Rg1 55. Re3 Rg2+ 56. Kb3 Rg1 57. Kc2 Ra1 58. Kb3 Rf1 59. Re2 Rf3 60. Rg2 d4 0-1

[Event "GER-ch (Women) op"]
[Site "Augsburg"]
[Date "2024.03.08"]
[Round "4"]
[White "Birkholz, Olga"]
[Black "Trunz, Michelle"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1986"]
[BlackElo "1928"]
[PlyCount "72"]
[EventDate "2024.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Nbd2 c5 4. c3 e6 5. e3 Bd6 6. Ne5 0-0 7. Bd3 Nc6 8. f4 Qc7 9. Qf3 c4 10. Bc2 b5 11. e4 Bb7 12. exd5 exd5 13. 0-0 Rae8 14. Qh3 Bc8 15. Qh4 Ne7 16. g4 Ng6 17. Bxg6 fxg6 18. h3 b4 19. g5 Nh5 20. Ndf3 Bf5 21. Bd2 a5 22. Nh2 Be4 23. Nhg4 Rb8 24. Rf2 a4 25. Ne3 a3 26. bxa3 b3 27. Bc1 Nxf4 28. Rxf4 Rxf4 29. Qxf4 Bxe5 30. dxe5 b2 31. Bxb2 Rxb2 32. Rf1 Rb8 33. a4 Qe7 34. a5 h6 35. gxh6 gxh6 36. a6 Qg5+ 1/2-1/2

[Event "GER-ch (Women) op"]
[Site "Augsburg"]
[Date "2024.03.07"]
[Round "2"]
[White "Birkholz, Olga"]
[Black "Just, Anita"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1986"]
[BlackElo "1873"]
[PlyCount "136"]
[EventDate "2024.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. f4 Nc6 4. Nf3 Nge7 5. c3 d5 6. d3 d4 7. Na3 Ng6 8. e5 Nh4 9. Nxh4 Qxh4+ 10. g3 Qd8 11. c4 b6 12. Bg2 Bb7 13. Bd2 Qd7 14. Nc2 Be7 15. a3 Nd8 16. b4 Bxg2 17. Qxg2 Qc6 18. Qxc6+ Nxc6 19. b5 Nd8 20. Ke2 Kd7 21. a4 f6 22. a5 Nf7 23. exf6 gxf6 24. Ra2 Kc7 25. Rha1 Kb7 26. Ne1 f5 27. Nf3 Bf6 28. Kf2 Rhe8 29. h3 e5 30. fxe5 Nxe5 31. Nxe5 Bxe5 32. axb6 axb6 33. Rxa8 Rxa8 34. Rxa8 Kxa8 35. Kf3 Kb7 36. Bf4 Bf6 37. g4 fxg4+ 38. Kxg4 Kc8 39. Kh5 Bg7 40. Bh6 Be5 41. Bf8 Bf4 42. Kg4 Bd2 43. Kf5 Kd7 44. Kf6 Be1 45. Bh6 Bg3 46. Bg5 Bc7 47. h4 h6 48. Bxh6 Bd8+ 49. Ke5 Bxh4 50. Bf4 Be1 51. Kd5 Ba5 52. Bb8 Bd2 53. Bd6 Bb4 54. Bf8 Ba5 55. Bh6 Bb4 56. Bc1 Kc7 57. Ke6 Be1 58. Bf4+ Kb7 59. Kd7 Bb4 60. Ke6 Be1 61. Kd6 Bb4 62. Kd5 Be1 63. Ke5 Bb4 64. Kd5 Be1 65. Bc1 Bb4 66. Kd6 Be1 67. Kd5 Bb4 68. Bb2 Kc7 1/2-1/2

[Event "GER-ch (Women) op"]
[Site "Augsburg"]
[Date "2024.03.07"]
[Round "3"]
[White "Daulyte Cornette, Deimante"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2375"]
[BlackElo "1986"]
[PlyCount "89"]
[EventDate "2024.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 Nc6 4. Bg2 g6 5. Nge2 Bg7 6. d3 d6 7. 0-0 e6 8. Be3 Nd4 9. Qd2 Ne7 10. Nd1 0-0 11. c3 Nxe2+ 12. Qxe2 Rb8 13. d4 b6 14. Qd2 Bb7 15. Bh6 f5 16. Bxg7 Kxg7 17. Re1 fxe4 18. Bxe4 d5 19. Bg2 Qd6 20. Ne3 h5 21. Bh3 Rf6 22. Ng2 Rbf8 23. f4 Nc6 24. Rad1 Bc8 25. Nh4 cxd4 26. cxd4 Qb4 27. Nf3 Qd6 28. Rc1 Re8 29. Re3 Rff8 30. Rec3 Bd7 31. Bf1 b5 32. h4 Rb8 33. Bd3 Ne7 34. Ne5 Rfd8 35. Rc7 Rbc8 36. Qa5 Kf6 37. R1c5 Be8 38. Qc3 Rxc7 39. Rxc7 Nf5 40. Bxf5 gxf5 41. b4 Qf8 42. Ra7 Qg8 43. Kf2 Bg6 44. Qc7 Re8 45. Ng4+ 1-0

[Event "GER-ch (Women) op"]
[Site "Augsburg"]
[Date "2024.03.06"]
[Round "1"]
[White "Rogule, Laura"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2277"]
[BlackElo "1986"]
[PlyCount "67"]
[EventDate "2024.03.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB12_2024"]
[SourceDate "2023.10.01"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.01"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nf3 f5 4. g3 Nf6 5. Bg2 c5 6. d5 0-0 7. Nc3 a6 8. a4 b6 9. Bf4 d6 10. Qd2 Ra7 11. Bh6 Bxh6 12. Qxh6 e5 13. dxe6 Bxe6 14. b3 Ng4 15. Qd2 Kg7 16. Rd1 Qf6 17. 0-0 Rd7 18. Ng5 Rdd8 19. Nxe6+ Qxe6 20. Nd5 Nc6 21. Nf4 Qc8 22. Bxc6 Qxc6 23. Ne6+ Kf7 24. Nxf8 Kxf8 25. Qg5 Qe8 26. Rd5 Rd7 27. Qd2 Qe6 28. Rd1 Ke7 29. Rd3 Qf6 30. h3 Ne5 31. Rd5 a5 32. Qe3 Kd8 33. Qc3 Qe7 34. Rb1 1-0

[Event "GER-ch Rapid (Women)"]
[Site "Dinkelsbuehl"]
[Date "2023.11.12"]
[Round "7"]
[White "Albayrak, Nese Pinar"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1648"]
[BlackElo "1996"]
[PlyCount "110"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 e5 7. Nb3 Be6 8. Be3 Nbd7 9. Be2 b5 10. a3 Be7 11. Qd2 Nb6 12. 0-0 Nc4 13. Bxc4 bxc4 14. Nc1 Rb8 15. Rb1 0-0 16. N1e2 h6 17. Rfd1 Kh7 18. h3 Rb7 19. f4 Qb8 20. f5 Bc8 21. Qc1 Bd8 22. Ng3 Bb6 23. Nd5 Nxd5 24. Rxd5 f6 25. b3 cxb3 26. cxb3 Bd7 27. Kh2 Rc8 28. Qd2 Bc6 29. Rd3 Bxe3 30. Qxe3 Bb5 31. Rd2 a5 32. Rbd1 Ba6 33. Rxd6 Rxb3 34. Qf2 Bb5 35. Nh5 Be8 36. Qh4 Qb7 37. Rd8 Rxd8 38. Rxd8 Qf7 39. Ng3 Rxa3 40. Qg4 a4 41. Rd2 Rc3 42. Qe2 a3 43. Qa6 Qb3 44. Ne2 Bb5 45. Qa8 Rd3 46. Nc1 Qc3 47. Rxd3 Bxd3 48. Qe8 Bc4 49. Qg6+ Kh8 50. Qe8+ Bg8 51. Ne2 Qe3 52. Ng3 a2 53. Qa8 Qc1 54. Nh5 a1Q 55. Qf8 Qg5 0-1

[Event "GER-ch Rapid (Women)"]
[Site "Dinkelsbuehl"]
[Date "2023.11.12"]
[Round "6"]
[White "Birkholz, Olga"]
[Black "Hartung, Katja"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1996"]
[BlackElo "1933"]
[PlyCount "93"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 e6 3. Bb2 f5 4. c4 Nf6 5. g3 c6 6. Bh3 Bd6 7. cxd5 exd5 8. Qc2 g6 9. Qc3 Rf8 10. d3 Qb6 11. Nbd2 Nbd7 12. 0-0 f4 13. Kg2 Nh5 14. e4 Ndf6 15. Bxc8 Rxc8 16. exd5 Nxd5 17. Rae1+ Kd8 18. Qd4 Kc7 19. g4 Nhf6 20. g5 Nh5 21. Nc4 Qxd4 22. Bxd4 Bb4 23. Be5+ Kd7 24. Re4 Rce8 25. h4 b5 26. Nb2 Ba3 27. Rd1 Rf5 28. Rd2 Bb4 29. Rc2 c5 30. Nd1 Re7 31. Rce2 Ng7 32. Bf6 Rf7 33. Ne5+ Rxe5 34. Rxe5 Nxf6 35. gxf6 Nf5 36. R2e4 Nxh4+ 37. Kh3 Nf5 38. Rxf4 Rxf6 39. Ne3 Rd6 40. Nxf5 gxf5 41. Rexf5 Rxd3+ 42. Rf3 Rd1 43. Rf7+ Kc6 44. Rxa7 Bc3 45. Ra6+ Kb7 46. Re6 Rh1+ 47. Kg2 1-0

[Event "GER-ch Rapid (Women)"]
[Site "Dinkelsbuehl"]
[Date "2023.11.12"]
[Round "9"]
[White "Birkholz, Olga"]
[Black "Khrapko, Marharyta"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1996"]
[BlackElo "2067"]
[PlyCount "118"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. b3 d5 4. cxd5 Nxd5 5. Bb2 Nc6 6. g3 f6 7. Bg2 e5 8. d3 Be7 9. 0-0 0-0 10. Nc3 Nc7 11. Rc1 Be6 12. Ne4 b6 13. h4 Rc8 14. Kh2 Qd7 15. Ned2 Nd4 16. Bxd4 exd4 17. Ne4 h6 18. Qc2 f5 19. Ned2 Bf6 20. Nc4 Nd5 21. Nce5 Qd6 22. Nc4 Qc7 23. a4 a6 24. e4 dxe3 25. Nxe3 Nb4 26. Qd2 Rcd8 27. Ne1 f4 28. Qxb4 fxe3 29. Qe4 Bxb3 30. Qxe3 Rde8 31. Qd2 Bxh4 32. Qb2 Be6 33. Rb1 Bd8 34. Be4 Bf5 35. Bd5+ Kh8 36. Bc4 Bg4 37. f3 Bc8 38. Ng2 Qd7 39. Nf4 Rxf4 40. gxf4 Qh3+ 41. Kg1 Qg3+ 42. Qg2 Qxf4 43. Rbe1 Rf8 44. Re4 Qf6 45. Rfe1 Bd7 46. Kf2 Bc6 47. Bxa6 Bxe4 48. Rxe4 Qb2+ 49. Kf1 Qa1+ 50. Kf2 Bf6 51. Kg3 Bd4 52. Bb5 Qc1 53. Kh2 Qd1 54. Re2 Qa1 55. Re8 Be5+ 56. Kh3 Rxe8 57. Bxe8 Qe1 58. Bb5 Bf6 59. Bc4 Qh4# 0-1

[Event "GER-ch Rapid (Women)"]
[Site "Dinkelsbuehl"]
[Date "2023.11.12"]
[Round "8"]
[White "Birkholz, Olga"]
[Black "Muedder, Melanie"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "1996"]
[BlackElo "1813"]
[PlyCount "55"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 0-0 5. Bg2 d5 6. c4 c6 7. c5 a5 8. a3 axb4 9. axb4 Rxa1 10. Bxa1 Na6 11. Qa4 Bf5 12. d3 Qc8 13. 0-0 Bh3 14. Nbd2 Bxg2 15. Kxg2 Qg4 16. d4 Nh5 17. e3 Nf6 18. h3 Qf5 19. b5 Nb8 20. bxc6 bxc6 21. Bc3 Ne4 22. Ba5 Nxd2 23. Bxd2 Qe4 24. Qa1 e5 25. Qb1 exd4 26. Qxe4 dxe4 27. Nxd4 Nd7 28. Nxc6 1/2-1/2

[Event "GER-ch Rapid (Women)"]
[Site "Dinkelsbuehl"]
[Date "2023.11.11"]
[Round "4"]
[White "Birkholz, Olga"]
[Black "Arnhold, Steffi"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1996"]
[BlackElo "2149"]
[PlyCount "112"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Bc4 Nf6 8. Nc3 0-0 9. Qd2 a6 10. Bb3 Na5 11. 0-0-0 b5 12. Qd3 Bb7 13. Bd5 Bxd5 14. Nxd5 Rc8 15. f5 Nc4 16. Bg5 Nxd5 17. exd5 Qd7 18. Rhf1 Rc5 19. Qe4 Qb7 20. fxg6 hxg6 21. Bxe7 Re8 22. Rfe1 Qxd5 23. Qxd5 Rxd5 24. c3 Re5 25. Nc6 Bh6+ 26. Kb1 Rc5 27. Nd4 Ne3 28. Bh4 Rce5 29. Nf3 Nxd1 30. Nxe5 Nxc3+ 31. bxc3 Rxe5 32. Kc2 Rxe1 33. Bxe1 f5 34. Kd3 Kf7 35. Bf2 Ke6 36. Bb6 Kd5 37. Bd4 Bf4 38. g3 Be5 39. Bb6 Bg7 40. Bf2 Ke6 41. Bb6 g5 42. Be3 Bf6 43. Bd2 Kd5 44. Be3 Bd8 45. Bd2 g4 46. Be3 a5 47. Ba7 Bg5 48. Bb6 a4 49. Bf2 f4 50. gxf4 Bxf4 51. Bg3 Bxg3 52. hxg3 a3 53. Ke3 Kc4 54. Kf4 Kxc3 55. Kxg4 b4 56. Kh5 b3 0-1

[Event "GER-ch Rapid (Women)"]
[Site "Dinkelsbuehl"]
[Date "2023.11.11"]
[Round "2"]
[White "Birkholz, Olga"]
[Black "Sieber, Fiona"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1996"]
[BlackElo "2228"]
[PlyCount "76"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. d4 d5 4. e5 Nc6 5. f4 Bf5 6. Nf3 h5 7. Bd3 Nh6 8. 0-0 e6 9. a3 bxa3 10. Bxa3 Bxa3 11. Rxa3 a6 12. Nbd2 Bxd3 13. Rxd3 Nf5 14. Qb1 b5 15. Nb3 Qb6 16. Qa1 0-0 17. Ng5 b4 18. Qd1 g6 19. g4 hxg4 20. Qxg4 Kg7 21. Kh1 Rh8 22. Rg1 Rh6 23. Nf3 Rah8 24. Rg2 a5 25. Qg5 Qd8 26. Qg4 Qe7 27. Nbd2 a4 28. c4 bxc3 29. Rxc3 Ncxd4 30. Nxd4 Nxd4 31. Qd1 Qb4 32. Ra3 Nf5 33. Rxa4 Ng3+ 34. Kg1 Qc5+ 35. Rf2 Rxh2 36. Qf3 Rxf2 37. Qxf2 Rh1+ 38. Kg2 Rh2+ 0-1

[Event "GER-ch Rapid (Women)"]
[Site "Dinkelsbuehl"]
[Date "2023.11.11"]
[Round "5"]
[White "Cammann, Gabriele"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1176"]
[BlackElo "1996"]
[PlyCount "52"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 Be6 8. Bg5 Be7 9. Bxf6 Bxf6 10. Nd5 Bg5 11. 0-0 Nc6 12. c3 0-0 13. Nd2 f5 14. Nf3 fxe4 15. Nxg5 Qxg5 16. Ne3 Rad8 17. Bc4 Bxc4 18. Nxc4 d5 19. Nb6 Ne7 20. Qa4 Rf6 21. Nd7 Rh6 22. Rad1 Qf4 23. g3 Qf5 24. c4 Rxd7 25. cxd5 Qh3 26. Qc4 Qxh2# 0-1

[Event "GER-ch Rapid (Women)"]
[Site "Dinkelsbuehl"]
[Date "2023.11.11"]
[Round "1"]
[White "Hopp, Celina"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1996"]
[PlyCount "70"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bd3 e5 7. Nde2 Be6 8. 0-0 Be7 9. Ng3 d5 10. Kh1 Nc6 11. f4 d4 12. Nce2 h5 13. fxe5 Nxe5 14. Nf5 Bxf5 15. Rxf5 Nc6 16. Bg5 g6 17. Rf4 Ng4 18. Bxe7 Qxe7 19. Qf1 g5 20. Rf3 Qe5 21. Qg1 Nh6 22. Raf1 0-0-0 23. Ng3 h4 24. Nf5 f6 25. a3 g4 26. Nxh6 Rxh6 27. Rf5 Qe7 28. R1f4 Ne5 29. Qf1 Rd6 30. Kg1 Ng6 31. Rf2 g3 32. hxg3 hxg3 33. R2f3 Rh1+ 34. Kxh1 Qh7+ 35. Kg1 Qh2# 0-1

[Event "GER-ch Rapid (Women)"]
[Site "Dinkelsbuehl"]
[Date "2023.11.11"]
[Round "3"]
[White "Wagner, Margarethe"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1830"]
[BlackElo "1996"]
[PlyCount "105"]
[EventDate "2023.11.11"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB47_2023"]
[SourceDate "2023.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 Nh6 5. Be2 0-0 6. Nf3 b6 7. h3 c5 8. Be3 f5 9. e5 cxd4 10. Bxd4 d5 11. e6 Bb7 12. Bxg7 Kxg7 13. Qd2 Qd6 14. 0-0-0 Qxe6 15. Rhe1 Qd6 16. Nxd5 Bxd5 17. Qxd5 Qxd5 18. Rxd5 Nc6 19. Bb5 Rac8 20. Bxc6 Rxc6 21. Rxe7+ Rf7 22. Rdd7 Rxe7 23. Rxe7+ Kf6 24. Rxa7 Ng8 25. Ne5 Rd6 26. Rf7+ Ke6 27. Rxh7 Ne7 28. Rh6 Kf6 29. Rh8 Rd4 30. Nd3 Re4 31. Kd2 Nd5 32. g3 Kg7 33. Rd8 Nf6 34. Rd6 Ra4 35. Rxb6 Ne4+ 36. Ke3 Nxg3 37. a3 Ne4 38. Ne5 Nf6 39. c4 Ra5 40. Kd4 Ra7 41. c5 Ra4+ 42. Rb4 Ra5 43. Rb7+ Kh6 44. Rb6 Kg7 45. Nc4 Ra8 46. Rd6 Re8 47. Ne5 Ra8 48. c6 Rc8 49. b4 Ra8 50. b5 Rxa3 51. c7 Ra4+ 52. Nc4 Ra8 53. Rd8 1-0

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.05"]
[Round "7"]
[White "Sesselmann, Moritz"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "1731"]
[BlackElo "1991"]
[PlyCount "42"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. Nf3 d6 4. g3 Nc6 5. Bg2 f5 6. d4 Nf6 7. d5 Ne5 8. Nd4 0-0 9. b3 Rb8 10. Bb2 a6 11. 0-0 Qe8 12. a4 g5 13. e3 Nfg4 14. Qe2 f4 15. exf4 gxf4 16. h3 Nh6 17. Kh2 Neg4+ 18. hxg4 Nxg4+ 19. Kg1 Bxd4 20. Bh3 Qh5 21. Kg2 f3+ 0-1

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.04"]
[Round "5"]
[White "Bieberle, Jan"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1859"]
[BlackElo "1991"]
[PlyCount "77"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 b6 3. Bd3 g6 4. Nf3 Bg7 5. 0-0 Bb7 6. Qe2 e6 7. Bf4 Ne7 8. Nbd2 Nd7 9. c3 0-0 10. Rad1 Re8 11. e5 d5 12. h4 c5 13. h5 Nf5 14. hxg6 fxg6 15. Bg5 Qc7 16. Nh4 Nf8 17. g4 Nxh4 18. Bxh4 Bc8 19. f4 a5 20. Rf3 Ra7 21. Nf1 c4 22. Bc2 b5 23. Ne3 Qc6 24. Rdf1 Bh6 25. Qh2 Rf7 26. Bf6 Bg7 27. Bg5 Qb7 28. f5 exf5 29. gxf5 gxf5 30. Nxf5 Bxf5 31. Bxf5 Rc7 32. Rh3 Rf7 33. Rhf3 Rc7 34. Qh5 Qc6 35. Rh3 Bh8 36. Kh1 Ng6 37. Rg1 Bxe5 38. dxe5 d4+ 39. Kh2 1-0

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.04"]
[Round "6"]
[White "Birkholz, Olga"]
[Black "Wachter, Michael"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1991"]
[BlackElo "1574"]
[PlyCount "149"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 c6 2. g3 d5 3. e5 Bf5 4. Bg2 e6 5. d3 Nd7 6. Qe2 Ne7 7. f4 Qb6 8. a4 a5 9. Nd2 Bg6 10. Ngf3 Nf5 11. Bh3 Qe3 12. Nb3 Qxe2+ 13. Kxe2 Be7 14. Bd2 Bd8 15. g4 Ne7 16. Nh4 c5 17. Nxg6 hxg6 18. Bg2 Ra7 19. c4 d4 20. Be1 g5 21. fxg5 Ng6 22. Bd2 Ngxe5 23. h3 b6 24. Raf1 Ng6 25. Be4 Nde5 26. Na1 Bc7 27. Nc2 Nh4 28. Na3 Bb8 29. Bf4 Ke7 30. Rf2 Rd7 31. Rhf1 Rf8 32. Nb5 Nhg6 33. Bxg6 fxg6 34. Na3 Rdd8 35. Nb1 Rf7 36. Nd2 Rh8 37. Bxe5 Rxf2+ 38. Rxf2 Bxe5 39. Rf3 Bc7 40. Ne4 Bd8 41. Kf2 Bc7 42. Kg2 Be5 43. Rf1 Bc7 44. Nd2 Bd6 45. Ne4 Bc7 46. Ng3 Bd6 47. Ne2 Bc7 48. Nf4 Bxf4 49. Rxf4 e5 50. Rf1 e4 51. dxe4 Ke6 52. Kg3 Ke5 53. Rf7 Kxe4 54. Rxg7 Rd8 55. Rxg6 d3 56. Re6+ Kd4 57. Re1 Kxc4 58. h4 Kb3 59. g6 Kxb2 60. h5 Rg8 61. Kh4 c4 62. Kg5 c3 63. h6 d2 64. Rd1 Kc2 65. h7 Kxd1 66. hxg8Q c2 67. Qb3 Kc1 68. Qe3 Kd1 69. g7 c1Q 70. g8Q Qb2 71. Qg1+ Kc2 72. Qc4+ Qc3 73. Qxc3+ Kxc3 74. Qd1 b5 75. axb5 1-0

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.03"]
[Round "3"]
[White "Birkholz, Olga"]
[Black "Trinkwalter, Jan"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1991"]
[BlackElo "1705"]
[PlyCount "84"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. c3 c5 5. 0-0 Be7 6. Ne5 Nc6 7. Nxc6 bxc6 8. d3 e5 9. Qa4 Bd7 10. Nd2 0-0 11. Nf3 Qc7 12. e4 c4 13. dxc4 Nxe4 14. Qd1 Be6 15. Qe2 f6 16. h4 Bc5 17. Kh2 Nd6 18. cxd5 cxd5 19. Nd4 Bf7 20. Nc2 Rad8 21. b3 Nf5 22. Bh3 Ne7 23. Na3 Rfe8 24. b4 Bb6 25. Bb2 d4 26. cxd4 exd4 27. Rac1 Qd6 28. Nb5 Qe5 29. Qxe5 fxe5 30. a4 a5 31. bxa5 Bxa5 32. f4 d3 33. fxe5 d2 34. Ra1 Bb3 35. Nd6 Rf8 36. Bg4 Rxf1 37. Rxf1 Rf8 38. Rb1 Rf2+ 39. Kg1 Bb6 40. Bd1 Re2+ 41. Kf1 Re1+ 42. Kg2 Bxd1 0-1

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.03"]
[Round "4"]
[White "Holland, Marcell"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1575"]
[BlackElo "1991"]
[PlyCount "82"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 d6 4. Nc3 g6 5. d4 cxd4 6. Qxd4 Nf6 7. Nd5 Bg7 8. Bg5 Nc6 9. Qc3 0-0 10. Bxf6 exf6 11. Qc2 f5 12. 0-0-0 Bh6+ 13. Ne3 Qe7 14. Nd2 Bxe3 15. fxe3 Re8 16. exf5 Bxf5 17. Qb3 Qxe3 18. Qxe3 Rxe3 19. Nb3 Nb4 20. Kd2 Rae8 21. Nc1 Bc2 22. a3 Bxd1 23. Kxd1 Nc6 24. Kd2 f5 25. Bd3 Kg7 26. Ne2 R3e5 27. b4 d5 28. c5 Nd8 29. Rc1 Nc6 30. b5 axb5 31. Bxb5 R8e7 32. a4 Re4 33. Nc3 Rd4+ 34. Kc2 Nb4+ 35. Kb3 Re3 36. Kb2 Nd3+ 37. Bxd3 Rdxd3 38. Nb5 Rb3+ 39. Kc2 Rb4 40. Ra1 Rc4+ 41. Kd2 Re7 0-1

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.02"]
[Round "1"]
[White "Birkholz, Olga"]
[Black "Averkova, Mariia"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1991"]
[BlackElo "1317"]
[PlyCount "130"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Nc3 a6 5. h3 e6 6. Nf3 Nbd7 7. a3 c5 8. Be2 Be7 9. 0-0 0-0 10. Nh4 Bg6 11. Nxg6 hxg6 12. Bf3 Qb6 13. Qd2 Bd6 14. Bxd6 Qxd6 15. Rad1 Qb6 16. dxc5 Nxc5 17. b4 Nce4 18. Bxe4 Nxe4 19. Nxe4 dxe4 20. c4 Rfd8 21. Qc2 Qc6 22. Rd4 Rxd4 23. exd4 Rd8 24. Rd1 b5 25. c5 Qd5 26. c6 Rc8 27. Rc1 Rc7 28. Qc3 f5 29. g4 fxg4 30. Qc5 gxh3 31. Qxd5 exd5 32. Kh2 Kf7 33. Kxh3 Ke7 34. Rc5 Kd6 35. Kg4 Ke6 36. Kg5 Kd6 37. Kxg6 Ke6 38. Kg5 Kd6 39. Rc2 Ke6 40. Rc1 Kd6 41. Kh5 Ke6 42. Rc3 Kd6 43. Kg6 Ke6 44. Kg5 Kd6 45. Kh4 Ke6 46. Rg3 Kf7 47. Rc3 Ke6 48. Kh5 Kd6 49. Rc1 Ke6 50. Rg1 g5 51. Rxg5 Rh7+ 52. Kg4 Kd6 53. Rg6+ Kc7 54. Rf6 Re7 55. Kf4 Re8 56. Rg6 Re7 57. Rh6 Re8 58. Rf6 Re7 59. Kf5 e3 60. fxe3 Rxe3 61. Re6 Rh3 62. Ke5 Rh5+ 63. Kf4 Rh4+ 64. Ke5 Rh5+ 65. Kf4 Rh4+ 1/2-1/2

[Event "Oberfranken-ch"]
[Site "Kronach"]
[Date "2023.11.02"]
[Round "2"]
[White "Schuelner, David"]
[Black "Birkholz, Olga"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "1280"]
[BlackElo "1991"]
[PlyCount "99"]
[EventDate "2023.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CB46_2023"]
[SourceDate "2023.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. e5 Qa5+ 6. Nc3 Qxe5+ 7. Be2 e6 8. 0-0 Be7 9. Re1 Qc7 10. g4 h6 11. Bf3 Nc6 12. Nxc6 bxc6 13. a3 d5 14. b4 0-0 15. Qe2 Bb7 16. Kg2 a5 17. Rb1 axb4 18. axb4 d4 19. Ne4 Nd5 20. Bd2 Ba6 21. Qd1 Rab8 22. Nc5 Bc8 23. Bxd5 exd5 24. Nd3 Bd6 25. f4 f5 26. g5 hxg5 27. fxg5 f4 28. Qf3 Bf5 29. Qf2 Be4+ 30. Kg1 g6 31. Qxd4 Qh7 32. Rxe4 dxe4 33. Qxd6 exd3 34. Qxd3 Rb5 35. Qc4+ Qf7 36. Qxf7+ Rxf7 37. h4 Rd5 38. Bc3 Rh7 39. Be1 Re7 40. Kf1 Kf7 41. c4 Rd4 42. b5 Rxc4 43. b6 Rb7 44. Bf2 Ke6 45. Ke2 c5 46. Kd3 Kd5 47. h5 gxh5 48. g6 Rb4 49. Rxb4 cxb4 50. Bd4 1/2-1/2

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "13"]
[White "Adelhardt, Lisa"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1701"]
[BlackElo "1991"]
[PlyCount "76"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 a6 6. 0-0 e5 7. Ne2 Be7 8. Nbc3 Be6 9. h3 Qc7 10. f4 Nbd7 11. b3 Nc5 12. Bb2 0-0 13. f5 Bd7 14. Kh2 Nxd3 15. Qxd3 Rac8 16. Rac1 Bc6 17. Ng3 Rfd8 18. Qe3 Bb5 19. Rfd1 Qc5 20. Qe1 Be8 21. Qg1 Qxg1+ 22. Kxg1 b5 23. Kf2 d5 24. exd5 Bc5+ 25. Kf1 Bd4 26. Nge2 Nxd5 27. Nxd4 Ne3+ 28. Kf2 Nxd1+ 29. Rxd1 exd4 30. Ne2 Rxc2 31. Bxd4 Bc6 32. Rb1 Rxd4 33. Ke3 Re4+ 34. Kd3 Rcxe2 35. Rc1 Be8 36. Rc8 Kf8 37. Rc7 Re7 38. Rc8 Rxg2 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "21"]
[White "Birkholz, Olga"]
[Black "Arnhold, Steffi"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1991"]
[BlackElo "2110"]
[PlyCount "44"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. d3 g6 3. g3 Bg7 4. c3 Nc6 5. Bg2 d6 6. Ne2 e6 7. Be3 Nge7 8. f4 0-0 9. 0-0 Rb8 10. a4 a6 11. Qe1 b5 12. axb5 axb5 13. g4 f5 14. Qg3 b4 15. Bh3 Kh8 16. Kf2 bxc3 17. bxc3 Rb2 18. Bc1 Rb3 19. Rg1 fxe4 20. dxe4 d5 21. Nd2 Rb5 22. e5 Qc7 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "27"]
[White "Birkholz, Olga"]
[Black "Buchholz, Maja Patricia"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1991"]
[BlackElo "1858"]
[PlyCount "131"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. e3 Nf6 4. Bd3 Bg4 5. h3 Bh5 6. c3 Nbd7 7. Nbd2 e5 8. dxe5 Nxe5 9. Be2 Bd6 10. Nxe5 Bxe2 11. Qxe2 Bxe5 12. 0-0 0-0 13. Nf3 Bc7 14. Rd1 Re8 15. c4 Qe7 16. Bd2 Rad8 17. Be1 Ne4 18. cxd5 cxd5 19. Rac1 Qd6 20. g3 Re6 21. Kg2 Rh6 22. Nd4 Qd7 23. Qg4 Qxg4 24. hxg4 Be5 25. f4 Bb8 26. Nf5 Rb6 27. Rc2 Kf8 28. a3 g6 29. Bb4+ Kg8 30. Rxd5 Rxd5 31. Ne7+ Kg7 32. Nxd5 Re6 33. Kf3 Bd6 34. Bxd6 Nxd6 35. Rc7 a5 36. Nc3 b5 37. Ra7 Nc4 38. Nd5 Rd6 39. e4 a4 40. Rb7 Nxb2 41. Rxb5 Nc4 42. Rb4 Na5 43. Rxa4 Nc6 44. Ra8 Rd7 45. Ke3 Nd8 46. Rc8 Ne6 47. Ra8 Rb7 48. Kd3 Rb3+ 49. Kc4 Rxg3 50. a4 Rxg4 51. a5 h5 52. a6 h4 53. a7 h3 54. Rc8 h2 55. a8Q h1Q 56. Rg8+ Kh6 57. Rh8+ Kg7 58. Rxh1 Nf8 59. Ne7 Rxf4 60. Qd5 Rf6 61. Qe5 Nd7 62. Qd4 Nf8 63. Qe3 Re6 64. Qh6+ Kf6 65. Nd5+ Ke5 66. Qf4# 1-0

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "4"]
[White "Birkholz, Olga"]
[Black "Dolzhikova, Kateryna"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1991"]
[BlackElo "2321"]
[PlyCount "83"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[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. c3 g6 4. g3 Bg7 5. Bg2 0-0 6. e4 Nfd7 7. Qd2 e5 8. Bh6 exd4 9. cxd4 Re8 10. Ne2 c5 11. h4 cxd4 12. Bxg7 Kxg7 13. h5 Nf6 14. hxg6 fxg6 15. Nxd4 Nc6 16. Ne2 Qa5 17. Nbc3 Bg4 18. f3 Be6 19. Qxd6 Rad8 20. Qf4 Nb4 21. e5 Nd3+ 22. Kf1 Nxf4 23. exf6+ Kxf6 24. Ne4+ Kg7 25. Nxf4 Bc4+ 26. Kg1 Qb6+ 27. Kh2 Qxb2 28. Rab1 Qe5 29. Rxb7+ Re7 30. Rxe7+ Qxe7 31. Rc1 Bxa2 32. Ra1 Qf7 33. Nc3 Rd2 34. Nxa2 Rxa2 35. Rc1 a5 36. Rc6 a4 37. Ne6+ Kh6 38. f4 a3 39. Ng5 Rxg2+ 40. Kh3 Qb7 41. Nf7+ Qxf7 42. Kxg2 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "2"]
[White "Birkholz, Olga"]
[Black "Groeschel, Karoline"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1991"]
[BlackElo "1934"]
[PlyCount "132"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[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. Nc3 c6 5. Nf3 Bd6 6. Bd3 Nf6 7. 0-0 0-0 8. h3 h6 9. Be3 Re8 10. Re1 Nbd7 11. Qd2 Ne4 12. Bxe4 dxe4 13. Nh2 f5 14. Bf4 Nf6 15. Bxd6 Qxd6 16. f3 b6 17. fxe4 fxe4 18. Rad1 Bf5 19. Qe3 Rad8 20. a3 Kh7 21. Nf1 Nd5 22. Nxd5 cxd5 23. Ng3 Bg6 24. Rf1 Rf8 25. Rd2 Rxf1+ 26. Kxf1 Qc6 27. c3 Qb5+ 28. Kg1 Rf8 29. Ne2 Qb3 30. Nf4 Bf5 31. Qg3 Qa2 32. Nh5 Bg6 33. Nf4 Bf7 34. Kh2 g5 35. Ne2 Qc4 36. Qe3 Qc7+ 37. Ng3 Bg6 38. Kg1 Qf7 39. Rf2 Qe7 40. Rd2 Rf4 41. Rf2 Qf6 42. Re2 h5 43. Rf2 h4 44. Ne2 Rxf2 45. Qxf2 Qxf2+ 46. Kxf2 Bh5 47. Nc1 Kg6 48. Ke3 Kf5 49. Nb3 g4 50. Nd2 gxh3 51. gxh3 Be8 52. Nf1 Bd7 53. Nh2 Kg5 54. Ng4 Bxg4 55. Kf2 Bxh3 56. Kg1 Kf4 57. b4 e3 58. Kh2 Bd7 59. b5 Bxb5 60. a4 Bxa4 61. c4 dxc4 62. d5 e2 63. d6 e1Q 64. d7 Bxd7 65. Kg2 Bc6+ 66. Kh3 Qg3# 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "6"]
[White "Birkholz, Olga"]
[Black "Heinemann, Josefine"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1991"]
[BlackElo "2297"]
[PlyCount "68"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nc3 g6 5. g3 Bg7 6. Bd2 e6 7. Qc1 Rb8 8. a4 Nd4 9. Nxd4 cxd4 10. Ne2 Qc7 11. Bg2 h5 12. c3 dxc3 13. Bxc3 Bxc3+ 14. Qxc3 Qxc3+ 15. Nxc3 Nf6 16. Nb5 Ke7 17. Nxa7 Bd7 18. Kd2 Ng4 19. f3 Ne5 20. f4 Ng4 21. h3 Nf6 22. Rhc1 Ra8 23. Nb5 Bxb5 24. axb5 Kd7 25. b6 Rxa1 26. Rxa1 Rc8 27. e5 Nd5 28. Bxd5 exd5 29. Ra5 Kc6 30. b4 dxe5 31. Rc5+ Kd7 32. Rxd5+ Ke7 33. Rxe5+ Kf6 34. Rc5 Rb8 1/2-1/2

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "25"]
[White "Birkholz, Olga"]
[Black "Heutling, Elina"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1991"]
[BlackElo "1940"]
[PlyCount "91"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. b3 Bg7 5. Bb2 0-0 6. Bd3 cxd4 7. exd4 d5 8. h3 Ne4 9. 0-0 Nc6 10. Qe2 Nd6 11. a3 Re8 12. Re1 Bf5 13. Ne5 Bxd3 14. Qxd3 Nf5 15. Nd2 Rc8 16. g4 Nd6 17. c4 e6 18. Qf3 Nxe5 19. dxe5 Ne4 20. Nxe4 dxe4 21. Qxe4 Qb6 22. b4 a5 23. c5 Qb5 24. Rac1 a4 25. Re3 Bh6 26. f4 Red8 27. Bc3 Qc6 28. Qxc6 bxc6 29. g5 Bg7 30. Rce1 Rd5 31. Kf2 Rcd8 32. R1e2 h6 33. Kf3 hxg5 34. fxg5 Rd1 35. Re4 R1d3+ 36. R2e3 Rd1 37. Rf4 Rh1 38. Kg4 Rdd1 39. Rg3 Kf8 40. Bd4 Ke7 41. Rgf3 Rd2 42. Rxf7+ Ke8 43. Rxg7 Rg2+ 44. Rg3 Rxg3+ 45. Kxg3 Ra1 46. Bxa1 1-0

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "23"]
[White "Birkholz, Olga"]
[Black "Malinowsky, Celina"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "1991"]
[BlackElo "1518"]
[PlyCount "80"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. g3 Nf6 3. Bg2 e6 4. c4 Nbd7 5. Nf3 Be7 6. 0-0 0-0 7. Qc2 b6 8. Nbd2 Bb7 9. b3 Rc8 10. Bb2 c5 11. e3 cxd4 12. exd4 a6 13. Rac1 Re8 14. Qd3 Nf8 15. Ne5 Ba8 16. Rfe1 dxc4 17. bxc4 Bxg2 18. Kxg2 N8d7 19. Ndf3 Bd6 20. Qe2 Qc7 21. Ng5 Qb7+ 22. f3 Re7 23. Ngxf7 Bxe5 24. Nxe5 Nxe5 25. Qxe5 Qc7 26. Qe3 Kf7 27. Ba3 Ree8 28. c5 b5 29. Qb3 Nd5 30. Qd3 Nf6 31. c6 Qb6 32. d5 Nxd5 33. Bc5 Qa5 34. Qxh7 Qxa2+ 35. Rc2 Qb3 36. Bd4 Nf6 37. Bxf6 Kxf6 38. Re4 Qxc2+ 39. Re2 Qxe2+ 40. Kh3 Rh8 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "12"]
[White "Birkholz, Olga"]
[Black "Muetsch, Annmarie"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "1991"]
[BlackElo "2230"]
[PlyCount "55"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d6 2. g3 Nd7 3. Bg2 e5 4. c3 g6 5. Nd2 Bg7 6. Ngf3 Ngf6 7. e4 0-0 8. 0-0 Re8 9. d5 a5 10. Re1 Nc5 11. Qc2 a4 12. b3 axb3 13. Nxb3 b6 14. Nxc5 bxc5 15. Bg5 h6 16. Bxf6 Qxf6 17. a4 Bg4 18. Nd2 Qg5 19. a5 Bc8 20. Bf1 f5 21. a6 Bd7 22. a7 h5 23. Bg2 Bh6 24. Nf3 Qf6 25. c4 Rf8 26. Qb3 fxe4 27. Rxe4 Bg4 28. Rxg4 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "17"]
[White "Birkholz, Olga"]
[Black "Novikova, Margarita"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1991"]
[BlackElo "1995"]
[PlyCount "108"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. c3 Nxe5 5. Nxe5 Qxe5 6. Nd2 Nf6 7. Nf3 Qh5 8. Qd3 Qg6 9. g3 Qxd3 10. exd3 b6 11. Bf4 Nd5 12. Bd2 Bb7 13. Bg2 0-0-0 14. 0-0-0 f6 15. Rhe1 Ne7 16. Bh1 Ng6 17. d4 h5 18. h4 a5 19. Re3 Bd6 20. Rde1 c5 21. Kc2 Kb8 22. b3 Rc8 23. Kb2 Ka7 24. Rd3 Ba6 25. c4 cxd4 26. Nxd4 Be5 27. Kb1 d5 28. Bxd5 Bxd4 29. Rxd4 Rhe8 30. Bf3 Red8 31. Bc3 Ne5 32. Bxh5 b5 33. Be2 bxc4 34. Rxd8 Rxd8 35. Bxa5 Rb8 36. Bc3 cxb3 37. Bd4+ Kb7 38. axb3 Bxe2 39. Rxe2 Nc6 40. Bc3 Kc7 41. Kc2 Ra8 42. Kb2 Kd7 43. Rd2+ Ke6 44. b4 Rb8 45. Kb3 Na5+ 46. Ka4 Nc4 47. Re2+ Kd7 48. b5 Nb6+ 49. Ka5 Nc4+ 50. Ka6 Rb6+ 51. Ka7 Rxb5 52. Ka6 Rb3 53. Bd4 Kc6 54. Rc2 Ra3# 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "15"]
[White "Birkholz, Olga"]
[Black "Rath, Alina"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1991"]
[BlackElo "2030"]
[PlyCount "85"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c3 e6 5. Nd2 Nf6 6. Ngf3 Bd6 7. Bg5 h6 8. Bh4 0-0 9. Bd3 cxd4 10. exd4 a5 11. Qe2 b6 12. Ne5 Bb7 13. f4 Be7 14. Bf2 Qd6 15. 0-0 Ne8 16. Qh5 Nf6 17. Qf3 Nd7 18. Nxd7 Qxd7 19. f5 exf5 20. Bxf5 Qd8 21. Qg4 Bc8 22. Be3 Bxf5 23. Rxf5 Kh7 24. Raf1 f6 25. R1f3 Rf7 26. Rg3 g5 27. Bxg5 hxg5 28. Rh3+ Kg8 29. Qh5 Rg7 30. Nf3 Qe8 31. Qh8+ Kf7 32. Qh5+ Ke6 33. Qg4 Kd6 34. Qg3+ Ke6 35. Qg4 Kd6 36. Nd2 Qf7 37. Re3 Kc7 38. Qg3+ Bd6 39. Qf3 Be7 40. Rxd5 Rd8 41. Rb5 g4 42. Qe4 Bd6 43. d5 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "10"]
[White "Birkholz, Olga"]
[Black "Ries, Jutta"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1991"]
[BlackElo "2019"]
[PlyCount "57"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[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. c3 cxd4 4. cxd4 d5 5. Nc3 Nc6 6. Nf3 e6 7. e3 Bd6 8. Bg3 0-0 9. Be2 a6 10. 0-0 Bxg3 11. hxg3 Bd7 12. a3 Rc8 13. Rc1 Qb6 14. b4 Ne7 15. Ne5 Rfd8 16. Bd3 h6 17. g4 Be8 18. f4 Nc6 19. Nxc6 Rxc6 20. f5 e5 21. Be2 exd4 22. exd4 Rdc8 23. Qd2 Ne4 24. Nxd5 Nxd2 25. Nxb6 Nxf1 26. Nxc8 Rxc1 27. Ne7+ Kf8 28. Bxf1 Kxe7 29. Kf2 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "19"]
[White "Birkholz, Olga"]
[Black "Schardt, Madeleine"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1991"]
[BlackElo "1679"]
[PlyCount "78"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. g3 c6 3. Bg2 Nf6 4. c3 Bf5 5. Bf4 e6 6. Nd2 Nbd7 7. Ngf3 Be7 8. h3 Rc8 9. g4 Bg6 10. Ne5 c5 11. Nxg6 hxg6 12. e3 Qb6 13. 0-0 cxd4 14. cxd4 0-0 15. b3 Bb4 16. Nf3 Rc3 17. Ng5 Rfc8 18. Qf3 Bd6 19. Bg3 Bxg3 20. Qxg3 Qd8 21. h4 Nb8 22. Qf4 Nc6 23. Nxf7 Kxf7 24. g5 Kg8 25. gxf6 Qxf6 26. Qg3 Nxd4 27. Qh3 Ne2+ 28. Kh1 d4 29. Rae1 Nc1 30. f4 dxe3 31. Rxe3 Rxe3 32. Qxe3 Nxa2 33. Bh3 Rc3 34. Qxe6+ Qxe6 35. Bxe6+ Kh7 36. Ra1 Rc1+ 37. Rxc1 Nxc1 38. Bd5 b6 39. Kg2 Kh6 1/2-1/2

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "8"]
[White "Birkholz, Olga"]
[Black "Wagner, Dinara"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1991"]
[BlackElo "2447"]
[PlyCount "88"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. c3 e6 4. e3 Bd6 5. Bg3 b6 6. Bd3 0-0 7. Nd2 Bb7 8. f4 c5 9. Ngf3 Ne4 10. Bxe4 dxe4 11. Ng5 cxd4 12. cxd4 Bb4 13. 0-0 Bxd2 14. Qxd2 Qd5 15. b3 Nd7 16. Rac1 Nf6 17. Nh3 Rac8 18. Bh4 Ng4 19. Nf2 Nh6 20. h3 Nf5 21. Bg5 h6 22. g4 hxg5 23. gxf5 gxf4 24. f6 Qg5+ 25. Ng4 fxe3 26. Qxe3 Qxe3+ 27. Nxe3 Rxc1 28. Rxc1 gxf6 29. Rc7 Rb8 30. Ng4 Kg7 31. Kf2 a5 32. Ne3 Bd5 33. Nxd5 exd5 34. Rd7 f5 35. Rxd5 Kf6 36. Rd6+ Kg5 37. Rd7 Kf4 38. Rxf7 Rc8 39. d5 Rc2+ 40. Kg1 e3 41. d6 Rc1+ 42. Kg2 e2 43. Re7 e1Q 44. Rxe1 Rxe1 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "16"]
[White "Brandt, Carina"]
[Black "Birkholz, Olga"]
[Result "1/2-1/2"]
[ECO "B28"]
[WhiteElo "2058"]
[BlackElo "1991"]
[PlyCount "149"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 Nf6 4. e5 Nd5 5. d4 d6 6. Bc4 e6 7. 0-0 Nc6 8. Re1 dxe5 9. dxe5 Be7 10. Qe2 0-0 11. g3 b5 12. Bb3 Bb7 13. Nbd2 Qc7 14. a4 c4 15. Bc2 g6 16. h4 Rfd8 17. h5 Bf8 18. hxg6 fxg6 19. Ng5 Re8 20. Ndf3 Re7 21. Nh4 Bg7 22. f4 Rf8 23. Ne4 b4 24. Qxc4 bxc3 25. bxc3 Qb6+ 26. Kg2 Na5 27. Qd4 Qc7 28. Ba3 Rd7 29. Bxf8 Bxf8 30. Rad1 Rf7 31. Kh2 Nc6 32. Qd2 Be7 33. Nf3 h5 34. Nd4 Nxd4 35. Qxd4 h4 36. Nd6 Bxd6 37. exd6 Qxd6 38. Bxg6 hxg3+ 39. Kxg3 Rg7 40. Rh1 Rxg6+ 41. Kf2 Qxf4+ 42. Qxf4 Nxf4 43. Rd8+ Kg7 44. Rd7+ Kf6 45. Rxb7 Nd3+ 46. Ke3 Nc5 47. Rb6 Nxa4 48. Rxa6 Nxc3 49. Rf1+ Ke5 50. Ra5+ Nd5+ 51. Kd2 Rg2+ 52. Kc1 Re2 53. Kd1 Re3 54. Rf8 Ke4 55. Re8 e5 56. Rd8 Nc3+ 57. Kc2 Ne2 58. Ra4+ Nd4+ 59. Kd2 Re2+ 60. Kd1 Rh2 61. Re8 Rh1+ 62. Kd2 Rh2+ 63. Kc1 Rh1+ 64. Kb2 Rh2+ 65. Kc3 Rh3+ 66. Kb4 Nc6+ 67. Kc5+ Nd4 68. Kd6 Rh6+ 69. Kd7 Rh5 70. Ra5 Nf3 71. Ra4+ Nd4 72. Re7 Rg5 73. Re8 Rh5 74. Re7 Rg5 75. Re8 1/2-1/2

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "11"]
[White "Bursan, Ana Maria"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1476"]
[BlackElo "1991"]
[PlyCount "114"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 c6 6. Be2 Nbd7 7. 0-0 Qb6 8. Qc1 0-0 9. c4 Ne4 10. Nc3 Nxc3 11. bxc3 Nf6 12. Rb1 Qc7 13. c5 Bf5 14. Rb2 Ne4 15. Bd3 Qd7 16. Bxe4 Bxe4 17. cxd6 exd6 18. Ng5 d5 19. Nxe4 dxe4 20. Qc2 f5 21. Rfb1 b6 22. a4 Rf7 23. Qb3 h6 24. Qa3 Kh7 25. a5 b5 26. Qc5 Bf8 27. Qe5 Bg7 28. Qd6 g5 29. Bh2 Qe8 30. c4 Rd8 31. Qa3 bxc4 32. Rb7 f4 33. Qc5 Bf8 34. Qf5+ Kg8 35. Qg6+ Rg7 36. Rxg7+ Bxg7 37. Qxe8+ Rxe8 38. exf4 Bxd4 39. fxg5 hxg5 40. Rb7 c3 41. Rc7 c5 42. Rxa7 c2 43. Bd6 c1Q+ 44. Kh2 Qf4+ 45. Bxf4 gxf4 46. a6 e3 47. fxe3 fxe3 48. Rd7 e2 49. a7 e1Q 50. Rb7 Qe5+ 51. Kh1 Rf8 52. Rb8 Rxb8 53. axb8Q+ Qxb8 54. h4 Qg3 55. h5 Qe1+ 56. Kh2 Be5+ 57. Kh3 Qg3# 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "18"]
[White "Ley, Sabrina"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1838"]
[BlackElo "1991"]
[PlyCount "68"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. Be3 d6 5. Qd2 Nd4 6. Nd1 Bg7 7. c3 Nc6 8. g3 e5 9. Bg2 Nge7 10. Bh6 0-0 11. h4 f5 12. h5 f4 13. hxg6 Nxg6 14. Nf3 Rf7 15. Ng5 Rc7 16. Qe2 Bxh6 17. Qh5 Qxg5 18. Qxh6 Qxh6 19. Rxh6 Kg7 20. Rh2 Be6 21. Kd2 Rf8 22. gxf4 Rxf4 23. f3 Rh4 24. Rxh4 Nxh4 25. Bh1 Kf8 26. Ne3 Rg7 27. Rf1 Ng6 28. Nc2 Nf4 29. Ke3 Bh3 30. Rd1 Bg2 31. d4 Bxh1 32. Rxh1 Rg2 33. dxe5 dxe5 34. Re1 Rxc2 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "7"]
[White "Margaryan, Susanna"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "1464"]
[BlackElo "1991"]
[PlyCount "78"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 d6 6. c4 g6 7. Nc3 Bg7 8. 0-0 Nc6 9. Nxc6 bxc6 10. f3 0-0 11. Be3 Rb8 12. Qc2 Be6 13. a3 c5 14. Rab1 Qa5 15. Nd5 Nxd5 16. exd5 Bd7 17. Bd2 Qc7 18. Bc3 Bh6 19. Qe2 e6 20. dxe6 Bxe6 21. Rfe1 Rbe8 22. Qc2 Qd7 23. Qd1 Rd8 24. Bc2 Bxc4 25. Ba5 Rb8 26. Ba4 Bb5 27. Bxb5 axb5 28. Bc3 d5 29. Re5 d4 30. Rxc5 Be3+ 31. Kh1 Qd6 32. Bb4 Qf4 33. Rd5 Rfd8 34. Rxd8+ Rxd8 35. g3 Qf5 36. Ba5 Rd5 37. b4 d3 38. Rb3 Bf2 39. Qd2 Qxf3# 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "22"]
[White "Nikolaeva, Mariya A"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1249"]
[BlackElo "1991"]
[PlyCount "128"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 d6 6. c4 g6 7. 0-0 Bg7 8. Nc2 0-0 9. Nc3 Be6 10. h3 Qc7 11. Qe2 Nbd7 12. Be3 Rac8 13. b3 Ne5 14. Nd4 Nxd3 15. Qxd3 Bd7 16. Rac1 Qa5 17. a4 Qh5 18. Nd5 Nxd5 19. exd5 Bxh3 20. gxh3 Qxh3 21. Qe4 f5 22. Qe6+ Kh8 23. Ne2 Be5 24. Bf4 Qg4+ 25. Kh1 Qxe2 26. Bxe5+ Qxe5 27. Qxe5+ dxe5 28. Rfe1 e4 29. Kg2 g5 30. f3 exf3+ 31. Kxf3 Rf7 32. Re6 Rg8 33. Rce1 g4+ 34. Kf4 g3 35. Rg1 Rg4+ 36. Kf3 Rfg7 37. Re5 f4 38. Rf5 g2 39. Rxf4 Rg3+ 40. Kf2 Rxb3 41. Rf8+ Rg8 42. Rxg8+ Kxg8 43. Rxg2+ Kf7 44. Rg4 Rc3 45. Rh4 Kg6 46. Ke2 Kg5 47. Re4 Kf6 48. Kd2 Rh3 49. Re6+ Kf7 50. Rb6 Ra3 51. Rxb7 Rxa4 52. Kd3 h5 53. Rb2 Kf6 54. Re2 h4 55. c5 h3 56. c6 Ra5 57. Kd4 Ra1 58. Rc2 h2 59. Rxh2 Rc1 60. Ra2 Kf7 61. Rxa6 Ke8 62. Ra5 Kd8 63. Rc5 Kc7 64. Rxc1 e6 1-0

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "9"]
[White "Noll, Sonja"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1728"]
[BlackElo "1991"]
[PlyCount "86"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. a4 Nc6 4. d3 d5 5. exd5 exd5 6. Ba2 Nf6 7. Bg5 Be7 8. Ne2 0-0 9. 0-0 Be6 10. Nf4 Qd6 11. Bxf6 Bxf6 12. Nxe6 fxe6 13. c3 Kh8 14. Nd2 Rae8 15. f4 Be7 16. g3 Rf5 17. c4 Ref8 18. Qg4 Bf6 19. cxd5 exd5 20. Rae1 Bd4+ 21. Kg2 h5 22. Qf3 Bxb2 23. Nb3 c4 24. dxc4 dxc4 25. Rd1 Qb4 26. Nd2 Nd4 27. Qe4 Qxa4 28. Bxc4 Bc3 29. Nb1 Qxc4 30. Nxc3 Qxc3 31. Qxd4 Qxd4 32. Rxd4 Rb5 33. Ra1 a5 34. Rd7 Rff5 35. Kf3 Rfc5 36. h3 Rc3+ 37. Kg2 Rb2+ 38. Kf1 a4 39. Rdd1 a3 40. Rdc1 Rxg3 41. Rcb1 Rh2 42. Rxa3 Rxa3 43. Rxb7 Ra1+ 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "1"]
[White "Roessler, Ulrike"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2169"]
[BlackElo "1991"]
[PlyCount "116"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 a6 3. Nc3 g6 4. f4 Bg7 5. Nf3 b5 6. Bd3 Bb7 7. 0-0 e6 8. f5 e5 9. dxe5 dxe5 10. Bg5 f6 11. Be3 Ne7 12. fxg6 hxg6 13. a3 Nd7 14. Qe1 c5 15. Rd1 c4 16. Be2 Qc7 17. Qg3 0-0-0 18. Nh4 g5 19. Nf5 Nxf5 20. Rxf5 Nc5 21. Nd5 Nxe4 22. Qg4 Rh4 23. Nxc7 Rxg4 24. Rxd8+ Kxd8 25. Bxg4 Kxc7 26. h4 Bc8 27. hxg5 Bxf5 28. Bxf5 Nxg5 29. Kf2 Kd6 30. Kg3 Nf7 31. Be4 Nd8 32. Bg6 Nc6 33. Be8 Nd4 34. c3 Nf5+ 35. Kf3 Nxe3 36. Kxe3 Bh6+ 37. Ke4 Bc1 38. Bh5 Bxb2 39. Ke3 Bxc3 40. Bf3 Bd4+ 41. Kd2 Bc5 42. Bb7 Kc7 43. Bxa6 Kb6 44. Bc8 Bxa3 45. Kc3 Bc5 46. Be6 Bd4+ 47. Kb4 Bf2 48. Bf5 Bd4 49. Be6 c3 50. Kb3 Kc5 51. Kc2 e4 52. Bf5 Kd5 53. Bg6 b4 54. Bf7+ Ke5 55. Bg6 Kf4 56. Bh7 f5 57. Bg6 e3 58. Bh7 e2 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "5"]
[White "Sieber, Fiona"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2323"]
[BlackElo "1991"]
[PlyCount "135"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 a6 2. d4 d6 3. Nf3 g6 4. Be3 Bg7 5. c3 c6 6. Bd3 Qb6 7. Qb3 Nd7 8. 0-0 Qxb3 9. axb3 Ngf6 10. Nbd2 e5 11. Nc4 exd4 12. Nxd6+ Ke7 13. Nxc8+ Raxc8 14. cxd4 Rhe8 15. Bd2 Kf8 16. Rfe1 Kg8 17. Bc3 Bh6 18. g3 Bg7 19. Rad1 h5 20. Kg2 Bh6 21. Bb1 Bg7 22. d5 cxd5 23. exd5 Rxe1 24. Nxe1 Nc5 25. d6 Nxb3 26. Nf3 Nc5 27. Ne5 Rd8 28. Ba2 Ne6 29. Nxg6 Ne4 30. Ne7+ Kf8 31. Bxg7+ Nxg7 32. Nd5 Rxd6 33. Rc1 Rc6 34. Rxc6 bxc6 35. Nb4 c5 36. Nxa6 Ne6 37. Kf3 Nd2+ 38. Ke2 Ne4 39. Ke3 N4g5 40. h4 Nh7 41. Bxe6 fxe6 42. Nxc5 Ke7 43. Kd4 Nf6 44. Ne4 Nd5 45. Ke5 Nb6 46. b3 Nd7+ 47. Kf4 Nb6 48. Kg5 Nd5 49. Kxh5 Kf7 50. Kg5 Ne7 51. h5 Nf5 52. b4 Nd4 53. Kf4 Nc6 54. b5 e5+ 55. Kg5 Nd4 56. b6 Nc6 57. h6 Ke6 58. Kg6 Ne7+ 59. Kg7 Nf5+ 60. Kg6 Ne7+ 61. Kg5 Kf7 62. b7 Nc6 63. Nf6 e4 64. Nxe4 Kg8 65. Kg6 Ne7+ 66. Kf6 Nd5+ 67. Ke5 Ne7 68. b8Q+ 1-0

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "26"]
[White "Skibbe, Diana"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B98"]
[WhiteElo "1938"]
[BlackElo "1991"]
[PlyCount "56"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qb6 10. 0-0-0 Nc6 11. Nb3 Bd7 12. Bf2 Qc7 13. Bd3 b5 14. Rhe1 Rb8 15. Nd5 exd5 16. exd5 Nb4 17. Bd4 Nbxd5 18. Bxf6 Nxf6 19. Nd4 Bg4 20. Rxe7+ Qxe7 21. Qc6+ Bd7 22. Qc7 Rc8 23. Qa7 0-0 24. Nf5 Qe6 25. Nxd6 Rc6 26. Bf5 Qxa2 27. Bxd7 Qa1+ 28. Kd2 Rxd6+ 0-1

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "20"]
[White "Stangl, Anita"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "2037"]
[BlackElo "1991"]
[PlyCount "59"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. a3 Be7 8. 0-0 0-0 9. Nde2 Qc7 10. Ba2 b5 11. Ng3 Bb7 12. f4 Qc5+ 13. Kh1 Nbd7 14. Qe2 Rac8 15. f5 d5 16. e5 Ne4 17. Ngxe4 dxe4 18. fxe6 Nxe5 19. exf7+ Nxf7 20. Be3 Qc6 21. Nd5 Bc5 22. c3 Rce8 23. Rad1 Bxe3 24. Nxe3 Qg6 25. Rd7 Bc8 26. Bxf7+ Rxf7 27. Rdxf7 Be6 28. Ra7 Bc4 29. Nxc4 bxc4 30. Qxc4+ 1-0

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "24"]
[White "Von Herman, Brigitte"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1911"]
[BlackElo "1991"]
[PlyCount "86"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 d6 5. c4 Nb6 6. dxc5 dxc5 7. Qxd8+ Kxd8 8. Nc3 Nc6 9. Nf3 Bg4 10. Bf4 e6 11. 0-0-0+ Ke7 12. h3 Bxf3 13. gxf3 f6 14. exf6+ Kxf6 15. Rg1 h6 16. Ne4+ Kf5 17. Be3 Ne5 18. Nxc5 Nbxc4 19. Kb1 Nxe3 20. fxe3 Nxf3 21. Bd3+ Ke5 22. Nd7+ Kd5 23. Be2+ Ke4 24. Rg6 e5 25. Rc1 Kxe3 26. Bxf3 Kxf3 27. Nxe5+ Kf4 28. Nf7 Rg8 29. Nxh6 Rh8 30. Rf1+ Ke3 31. Re6+ Kd4 32. Rd1+ Kc5 33. Nf5 Rxh3 34. a3 a5 35. Re5+ Kb6 36. Rdd5 Rc8 37. Rxa5 Rh1+ 38. Ka2 Rc6 39. Rab5+ Kc7 40. Nd4 Rc4 41. Ne6+ Kc8 42. Nxf8 Rh2 43. Ne6 Rcc2 1-0

[Event "GER-ch Blitz (Women)"]
[Site "Viernheim"]
[Date "2023.07.15"]
[Round "3"]
[White "Zschischang, Marine"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2084"]
[BlackElo "1991"]
[PlyCount "67"]
[EventDate "2023.07.15"]
[EventType "tourn (blitz)"]
[EventRounds "27"]
[EventCountry "GER"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d6 3. e4 g6 4. Be3 Bg7 5. Qd2 c6 6. f3 b5 7. a3 Nbd7 8. Bh6 Bxh6 9. Qxh6 Qb6 10. Nge2 Bb7 11. g4 0-0-0 12. h4 e5 13. Qd2 exd4 14. Nxd4 Ne5 15. Be2 d5 16. exd5 Nxd5 17. 0-0-0 Rhe8 18. Rhe1 a6 19. Nxd5 Rxd5 20. Qc3 Kb8 21. f4 Nc4 22. Bxc4 Rxe1 23. Qxe1 Rxd4 24. Bxf7 Rxf4 25. Qe5+ Qc7 26. Rd8+ Bc8 27. Qxc7+ Kxc7 28. Rf8 Be6 29. Ra8 Rxf7 30. Rxa6 Bc8 31. Ra7+ Bb7 32. Ra5 Rf4 33. b4 Rxg4 34. a4 0-1

[Event "EU-ch Seniors 50 (Women)"]
[Site "Acqui Terme"]
[Date "2023.06.02"]
[Round "8"]
[White "Ni, Polina"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B29"]
[WhiteElo "1892"]
[BlackElo "2005"]
[PlyCount "128"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. c4 Nb4 5. a3 N4c6 6. d3 d6 7. exd6 Qxd6 8. Nc3 e5 9. Be2 Be6 10. 0-0 Be7 11. Ne4 Qc7 12. Nfg5 Nd4 13. Bh5 g6 14. Nxe6 Nxe6 15. Be2 Nd7 16. Rb1 Rd8 17. b4 0-0 18. Nc3 Nf6 19. Bf3 cxb4 20. axb4 Nd4 21. Bg5 Rb8 22. Bxf6 Bxf6 23. Nd5 Qd8 24. Nxf6+ Qxf6 25. Bd5 Qd6 26. h4 Kg7 27. h5 Qf6 28. Qg4 Kh8 29. Rbe1 Nc2 30. Rb1 Nd4 31. Rbe1 Nc2 32. Rb1 Qg7 33. Qe2 Nd4 34. Qe3 Rfe8 35. g3 b6 36. Kg2 g5 37. Rh1 h6 38. Rhc1 Rbd8 39. Qe4 f5 40. Qe3 Re7 41. f3 f4 42. Qe4 fxg3 43. Kxg3 Qf6 44. Re1 Kg7 45. Qg4 Qd6 46. Qe4 Rf8 47. c5 Qf6 48. c6 Qd6 49. Qg6+ Qxg6 50. hxg6 Kxg6 51. b5 h5 52. Be4+ Kf6 53. Bd5 Rc7 54. Be4 Ke6 55. Rb2 Kd6 56. Rh1 h4+ 57. Kg2 Rcf7 58. Ra1 Rg7 59. Kf2 g4 60. Rg1 Nxf3 61. Bxf3 Rxf3+ 62. Ke2 Rf4 63. Ke3 Rgf7 64. Rbg2 g3 0-1

[Event "EU-ch Seniors 50 (Women)"]
[Site "Acqui Terme"]
[Date "2023.06.01"]
[Round "7"]
[White "Birkholz, Olga"]
[Black "Sirletti, Sonia"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2005"]
[BlackElo "1825"]
[PlyCount "66"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. d3 Be7 5. Nbd2 0-0 6. 0-0 c6 7. a4 a5 8. b3 Nbd7 9. Bb2 Qc7 10. e4 dxe4 11. dxe4 Rd8 12. Re1 Bb4 13. Qe2 b6 14. e5 Nd5 15. c4 Ne7 16. Rad1 Nc5 17. Nd4 Bb7 18. Rf1 Rd7 19. f4 Rad8 20. N2f3 Nf5 21. Kh1 Nxd4 22. Nxd4 Na6 23. f5 Nc5 24. f6 g6 25. Qe3 Na6 26. Bf3 Bf8 27. Rde1 Nc5 28. Qf4 b5 29. Re3 bxa4 30. h4 Nxb3 31. Nxb3 axb3 32. Rxb3 Rd3 33. Bc3 a4 1/2-1/2

[Event "EU-ch Seniors 50 (Women)"]
[Site "Acqui Terme"]
[Date "2023.05.31"]
[Round "6"]
[White "Dubois, Martine"]
[Black "Birkholz, Olga"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1753"]
[BlackElo "2005"]
[PlyCount "132"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Bc4 dxe5 8. Bxd5 Qxd5 9. Nc3 Qd6 10. d5 Nd4 11. Nxd4 exd4 12. Qxd4 e5 13. Qd1 f5 14. 0-0 a6 15. Re1 Be7 16. Qh5+ g6 17. Qe2 0-0 18. Qxe5 Qxe5 19. Rxe5 Bf6 20. Re2 Rd8 21. Bh6 b5 22. d6 Kf7 23. Bf4 g5 24. Be5 Bxe5 25. Rxe5 Rxd6 26. Rae1 Ra7 27. g4 b4 28. Nd5 Be6 29. Nxb4 fxg4 30. Rxg5 a5 31. Nc2 h6 32. Rb5 Bxa2 33. Ne3 Be6 34. Ra1 Rd2 35. Ra4 Bd7 36. Rf4+ Kg7 37. Re5 Rxb2 38. Nxg4 Bxg4 39. Rxg4+ Kf6 40. Rh5 Rg7 41. Rxg7 Kxg7 42. Rxa5 Kg6 43. Kg2 Rb3 44. f3 Rc3 45. h4 Rc6 46. h5+ Kf6 47. Kg3 Rc1 48. Kg4 Rh1 49. Ra6+ Kg7 50. f4 Rb1 51. Rg6+ Kh7 52. Re6 Rh1 53. Re7+ Kg8 54. Ra7 Rb1 55. Re7 Rh1 56. Re3 Kf7 57. Re5 Rb1 58. Kf5 Rh1 59. Kg4 Rb1 60. Rf5+ Kg7 61. Kf3 Rb3+ 62. Ke4 Rb4+ 63. Kd3 Ra4 64. Ke3 Ra3+ 65. Kf2 Rb3 66. Ra5 Kf6 1/2-1/2

[Event "EU-ch Seniors 50 (Women)"]
[Site "Acqui Terme"]
[Date "2023.05.30"]
[Round "5"]
[White "Birkholz, Olga"]
[Black "Baliuniene, Margarita"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2005"]
[BlackElo "1920"]
[PlyCount "138"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Nbd7 4. Nd2 c5 5. c3 b6 6. Bd3 Bb7 7. Qf3 e6 8. Ne2 Be7 9. g4 h6 10. h4 g6 11. Bg3 c4 12. Bc2 b5 13. Nf4 e5 14. Ne6 Qb6 15. dxe5 Qxe6 16. exf6 Nxf6 17. Bd1 0-0-0 18. Qf4 Bd6 19. Qd4 Bxg3 20. fxg3 Rhe8 21. 0-0 Nd7 22. a4 a6 23. axb5 axb5 24. Ra5 Qxe3+ 25. Qxe3 Rxe3 26. Rxb5 Rxg3+ 27. Kf2 Rd3 28. Nf3 Re8 29. Nd4 Nf6 30. Be2 Ne4+ 31. Kg2 Rg3+ 32. Kh2 Re3 33. Rxf7 Nd6 34. Rc5+ Kb8 35. Rg7 Rxe2+ 36. Nxe2 Rxe2+ 37. Kg1 Rxb2 38. Rxg6 Ne4 39. Rg8+ Ka7 40. Ra5+ Kb6 41. Ra3 Rb3 42. Rg6+ Kb5 43. Ra7 Bc6 44. Rc7 Rxc3 45. Rcxc6 Rc1+ 46. Kh2 c3 47. g5 hxg5 48. h5 c2 49. h6 Nc5 50. h7 Rh1+ 51. Kxh1 c1Q+ 52. Kg2 Qd2+ 53. Kh3 Qe3+ 54. Kg4 Qf4+ 55. Kh3 Qh4+ 56. Kg2 Qxh7 57. Rb6+ Kc4 58. Rxg5 Qc2+ 59. Kh3 Qd3+ 60. Rg3 Qf5+ 61. Rg4+ Ne4 62. Rbg6 d4 63. Kh2 d3 64. Kg2 d2 65. Kh3 Qf3+ 66. Kh2 d1Q 67. Rc6+ Kd5 68. Rc5+ Kxc5 69. Rg5+ Qd5 0-1

[Event "EU-ch Seniors 50 (Women)"]
[Site "Acqui Terme"]
[Date "2023.05.28"]
[Round "3"]
[White "Novak, Simona"]
[Black "Birkholz, Olga"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1622"]
[BlackElo "2005"]
[PlyCount "93"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f4 Qa5 5. Bd3 e5 6. dxe5 dxe5 7. Bd2 Nbd7 8. Nf3 Qc7 9. fxe5 Nxe5 10. Qe2 Bd6 11. 0-0-0 Bg4 12. Kb1 0-0-0 13. Be3 Qa5 14. Qf2 Kb8 15. h3 Bxf3 16. gxf3 Ka8 17. Ne2 Nfd7 18. f4 Nxd3 19. Rxd3 Be7 20. Rg1 g6 21. Rgd1 Nb6 22. Bd4 Rhe8 23. e5 Nc8 24. Nc1 Qc7 25. Nb3 b6 26. Qf3 Kb8 27. Nc1 c5 28. Bf2 Rxd3 29. cxd3 Qb7 30. Qe2 Qc6 31. Bg3 Kb7 32. Nb3 Rd8 33. Nd2 Qd5 34. Nc4 a6 35. Ne3 Qc6 36. Nc4 Qd5 37. Ne3 Qc6 38. Nc4 Na7 39. Be1 Qd5 40. Ne3 Qc6 41. Nc4 Rd4 42. Bg3 Nc8 43. Ne3 Rd8 44. Nc4 Ka7 45. Be1 Rd4 46. Bg3 Rd8 47. Qe4 1/2-1/2

[Event "EU-ch Seniors 50 (Women)"]
[Site "Acqui Terme"]
[Date "2023.05.27"]
[Round "2"]
[White "Birkholz, Olga"]
[Black "Urbanc, Suzana"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2005"]
[BlackElo "1655"]
[PlyCount "71"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 g6 3. Be2 d6 4. Bg5 Bg7 5. Nc3 Nbd7 6. h4 h6 7. Be3 Ne5 8. Nh3 Neg4 9. Bd2 h5 10. f3 Ne5 11. d4 Nc6 12. Be3 e5 13. d5 Nd4 14. Ng5 Nxe2 15. Qxe2 b6 16. 0-0-0 a5 17. Qc4 0-0 18. Nb5 Ba6 19. a4 Rc8 20. Qe2 c6 21. dxc6 Rxc6 22. Qd2 Qa8 23. Kb1 Rfc8 24. Nxd6 Rxc2 25. Qxc2 Rxc2 26. Kxc2 Qc6+ 27. Kb1 Qxa4 28. Ndxf7 Qb3 29. Rd8+ Bf8 30. Nxe5 Kg7 31. Rc1 Qxe3 32. Ne6+ Kh6 33. Rxf8 Bd3+ 34. Ka2 g5 35. hxg5+ Kh7 36. Rc7+ 1-0

[Event "EU-ch Seniors 50 (Women)"]
[Site "Acqui Terme"]
[Date "2023.05.26"]
[Round "1"]
[White "Baglay, Kseniya"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1712"]
[BlackElo "2005"]
[PlyCount "92"]
[EventDate "2023.05.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 d6 3. d4 c5 4. dxc5 Qa5+ 5. Nc3 Qxc5 6. e4 Be6 7. a3 Nbd7 8. Be3 Qc8 9. b3 Nc5 10. Qc2 a5 11. Rd1 g6 12. Nd4 Bg7 13. Be2 0-0 14. f3 Bd7 15. g4 Ne6 16. g5 Nh5 17. Nd5 Qd8 18. Nxe6 Bxe6 19. Bb6 Qd7 20. Nc7 Rac8 21. Nxe6 Qxe6 22. Qd2 Qh3 23. Qe3 Be5 24. Qg1 Bc3+ 25. Kf2 f6 26. Ke3 Qh4 27. gxf6 Bxf6 28. Rd5 Rc6 29. Bxa5 e5 30. Be1 Bg5+ 31. Kd3 Nf4+ 32. Kc2 Qh5 33. Bd2 Nxe2 34. Qxg5 Qxf3 35. Re1 b5 36. Qe3 Nd4+ 37. Kc3 bxc4 38. bxc4 Ra8 39. Bc1 Qg2 40. Qd3 Qa2 41. Rxd4 exd4+ 42. Qxd4 Rc5 43. Qxd6 Rxc4+ 44. Kd3 Qc2+ 45. Ke3 Rc3+ 46. Kf4 Qxh2+ 0-1

[Event "GER-ch (Women)"]
[Site "Magdeburg"]
[Date "2022.08.20"]
[Round "9"]
[White "Birkholz, Olga"]
[Black "Kunze, Kerstin"]
[Result "1-0"]
[ECO "D79"]
[WhiteElo "2002"]
[BlackElo "2020"]
[PlyCount "61"]
[EventDate "2022.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 g6 4. c3 Bg7 5. 0-0 0-0 6. d4 cxd4 7. cxd4 d5 8. Nc3 Ne4 9. Qb3 Nxc3 10. bxc3 Nc6 11. Bf4 e6 12. h4 h6 13. Rad1 Na5 14. Qb4 Re8 15. e4 dxe4 16. Ne5 g5 17. hxg5 hxg5 18. Bxg5 f6 19. Bh4 Qc7 20. Ng4 Kf7 21. Bxe4 f5 22. Ne5+ Bxe5 23. dxe5 Qxe5 24. Bf3 Kg6 25. Rfe1 Qc7 26. Qd4 e5 27. Qe3 f4 28. Qe4+ Bf5 29. Bh5+ Kxh5 30. Qxf5+ Kh6 31. Bg5+ 1-0

[Event "GER-ch (Women)"]
[Site "Magdeburg"]
[Date "2022.08.19"]
[Round "8"]
[White "Birkholz, Olga"]
[Black "Peglau, Dora"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2002"]
[BlackElo "1892"]
[PlyCount "71"]
[EventDate "2022.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 c5 5. e3 0-0 6. Be2 d5 7. 0-0 Nc6 8. cxd5 Nxd5 9. Bxg7 Kxg7 10. Qc1 Qd6 11. Na3 e5 12. Qb2 f6 13. Nb5 Qe7 14. d4 a6 15. Na3 cxd4 16. Bc4 Be6 17. exd4 b5 18. Be2 Nxd4 19. Nxd4 exd4 20. Nc2 d3 21. Bxd3 Nf4 22. Be4 Bd5 23. Bxd5 Nxd5 24. Rfe1 Qf7 25. Nd4 Rfe8 26. Qd2 Rxe1+ 27. Rxe1 Re8 28. Rc1 Qe7 29. g3 Qb7 30. Rd1 Re7 31. h4 h5 32. b4 Nb6 33. Qf4 Nd5 34. Qd6 Kf7 35. Nc6 Qd7 36. Qxd5+ 1-0

[Event "GER-ch (Women)"]
[Site "Magdeburg"]
[Date "2022.08.18"]
[Round "6"]
[White "Birkholz, Olga"]
[Black "Muetsch, Annmarie"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2002"]
[BlackElo "2252"]
[PlyCount "144"]
[EventDate "2022.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 Nd7 3. Bf4 g6 4. Qd2 Bg7 5. Nc3 c5 6. e3 Ngf6 7. h4 a6 8. a4 b6 9. Bc4 h6 10. Rd1 Bb7 11. d5 b5 12. axb5 Nb6 13. b3 Nxc4 14. bxc4 axb5 15. Nxb5 Ra4 16. Qd3 Bc8 17. e4 Bg4 18. Rb1 0-0 19. Nd2 Nh5 20. Bh2 Bd7 21. 0-0 f5 22. Rfe1 f4 23. Nf3 Bg4 24. e5 Bf5 25. Qe2 Ra2 26. Rbc1 Qd7 27. exd6 exd6 28. Qe7 Qxe7 29. Rxe7 Rd8 30. Ne1 Bf6 31. Rb7 Bxh4 32. Nc3 Ra3 33. Ne2 Bg5 34. Rcb1 Re8 35. Kf1 Ra2 36. Rb8 Ra8 37. R8b6 Rad8 38. f3 Re3 39. Bg1 Re7 40. Rb8 Rde8 41. Rxe8+ Rxe8 42. Bf2 Ra8 43. Rb6 Be7 44. Nc3 Nf6 45. Rb7 Kf8 46. Ke2 Bc8 47. Rb3 Ba6 48. Kd3 Nd7 49. Nb5 Ne5+ 50. Ke4 Nxc4 51. Kxf4 Bg5+ 52. Kg3 Nd2 53. Nc7 Nxb3 54. Nxa8 Nd2 55. Nb6 Bd8 56. Na4 Bb7 57. Nxc5 dxc5 58. Bxc5+ Kf7 59. d6 Nc4 60. Nd3 Bf6 61. Bb4 Be5+ 62. Nxe5+ Nxe5 63. Kf4 Ke6 64. Kg3 Bd5 65. f4 Nf7 66. d7 Kxd7 67. Bf8 Ke6 68. Kf2 Kf5 69. g3 Kg4 70. Bb4 h5 71. Be7 Nh6 72. Bg5 Nf5 0-1

[Event "GER-ch (Women)"]
[Site "Magdeburg"]
[Date "2022.08.18"]
[Round "7"]
[White "Moenster, Madita"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1864"]
[BlackElo "2002"]
[PlyCount "86"]
[EventDate "2022.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d6 3. d4 g6 4. Bd3 Bg7 5. 0-0 Nf6 6. Qe2 0-0 7. c3 Qc7 8. e5 Nd5 9. Re1 Bg4 10. exd6 exd6 11. h3 Bd7 12. Bd2 a5 13. Na3 Na6 14. Qd1 b5 15. Nc2 Rfe8 16. Ng5 Rxe1+ 17. Qxe1 Re8 18. Qd1 h6 19. Ne4 c5 20. dxc5 Nxc5 21. Nxc5 dxc5 22. Qf3 c4 23. Bxg6 fxg6 24. Qxd5+ Kh7 25. Nd4 Rd8 26. Qf3 Rf8 27. Qe2 Re8 28. Be3 Bxd4 29. cxd4 Bf5 30. Qd2 h5 31. Bf4 Qd8 32. Rd1 Bd3 33. Be5 Rf8 34. Re1 Rf7 35. Qe3 b4 36. a3 Qd5 37. axb4 axb4 38. Ra1 Qe4 39. Qg5 Qf5 40. Ra8 Qxf2+ 41. Kh2 Rg7 42. Rh8+ Kxh8 43. Qh6+ Kg8 1-0

[Event "GER-ch (Women)"]
[Site "Magdeburg"]
[Date "2022.08.17"]
[Round "5"]
[White "Fock, Sana"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1778"]
[BlackElo "2002"]
[PlyCount "108"]
[EventDate "2022.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. c3 Qc7 4. Nf3 b6 5. Bd3 Ba6 6. 0-0 Be7 7. Bxa6 Nxa6 8. Qe2 Qb7 9. d5 Nc7 10. c4 0-0-0 11. Bf4 d6 12. a4 e5 13. Bd2 a5 14. Ng5 Bxg5 15. Qg4+ Rd7 16. Qxg5 f6 17. Qe3 g5 18. Nc3 h5 19. Ne2 Ne8 20. f3 Nh6 21. Qd3 Ng7 22. Ra3 h4 23. Rb3 Qa6 24. Rb5 Ne8 25. Qb3 Rb7 26. Qd3 Rg7 27. Qb3 Rb7 28. Qd3 Nc7 29. Rb3 Kd7 30. Kh1 Rbb8 31. Rc3 Qc8 32. Rcc1 Qe8 33. Rce1 Qh5 34. Ng1 Qg6 35. Ne2 f5 36. Ng1 Kc8 37. Re2 Kb7 38. Ree1 Ka7 39. Re2 Rbf8 40. Ree1 Rf6 41. Qe3 f4 42. Qe2 Rff8 43. Bc3 g4 44. Qd2 Rhg8 45. b3 h3 46. fxg4 hxg2+ 47. Qxg2 Nxg4 48. h3 Qh6 49. Qf3 Nf6 50. Bd2 Qh4 51. Ne2 Nxe4 52. Rd1 Ng3+ 53. Kh2 Nxe2 54. Qxe2 Rg3 0-1

[Event "GER-ch (Women)"]
[Site "Magdeburg"]
[Date "2022.08.16"]
[Round "4"]
[White "Birkholz, Olga"]
[Black "Bazzazi, Elnaz"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2002"]
[BlackElo "1766"]
[PlyCount "201"]
[EventDate "2022.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 e6 4. Nbd2 c5 5. e3 Nc6 6. c3 b6 7. Bd3 Bd6 8. Ne5 Ne7 9. Bb5+ Kf8 10. Qf3 Qc7 11. Bd3 Ng6 12. Bxg6 hxg6 13. g4 Bxe5 14. Bxe5 Qe7 15. 0-0-0 Bb7 16. Qg3 Qd7 17. f3 Qc6 18. Bxf6 gxf6 19. Qf4 Ke7 20. g5 fxg5 21. Qxg5+ Ke8 22. Rde1 Kd7 23. Qf6 Raf8 24. h4 Qd6 25. Reg1 Qe7 26. Qf4 Qd6 27. Qg4 Rh5 28. f4 Ba6 29. Nf3 Ke7 30. Ne5 Bc4 31. Kc2 Bb5 32. Qf3 Rfh8 33. Qf2 Be8 34. Rg5 R5h6 35. Nf3 f6 36. Rgg1 c4 37. Kc1 Rh5 38. Re1 Kd8 39. Rhg1 Qf8 40. Qg3 Qd6 41. Re2 Rg8 42. Reg2 Rgh8 43. Qe1 Qc6 44. Re2 Qd6 45. Qd2 R5h6 46. Reg2 Qc6 47. Qc2 R8h7 48. Rd1 Qa4 49. Qxa4 Bxa4 50. Rdg1 Be8 51. b3 Rg7 52. Kd2 b5 53. Rb1 Kc7 54. Ke1 Kb6 55. Kf2 Bc6 56. Rbg1 Be8 57. bxc4 dxc4 58. Rh2 a5 59. Nd2 g5 60. Rg4 Rh5 61. fxg5 fxg5 62. Kg3 gxh4+ 63. Rhxh4 Rxg4+ 64. Kxg4 Rf5 65. Rh6 Bd7 66. Kg3 Kc6 67. e4 Rf8 68. Nf3 b4 69. Ne5+ Kc7 70. cxb4 c3 71. Nxd7 Kxd7 72. bxa5 c2 73. Rh1 Rc8 74. Rc1 Rc3+ 75. Kf4 Rc6 76. Ke3 Rc3+ 77. Kd2 Ra3 78. Rxc2 Rxa5 79. Ke3 Kd6 80. e5+ Kd7 81. Ke4 Ra3 82. Rd2 Ra4 83. Kd3 Kc6 84. Rc2+ Kd7 85. Kc3 Ra8 86. Rh2 Kc6 87. Rb2 Ra5 88. Rc2 Ra8 89. Kd3+ Kd7 90. Ke4 Ra3 91. Rh2 Kc6 92. Rh6 Kd7 93. Rh7+ Kc6 94. Re7 Rxa2 95. Rxe6+ Kd7 96. Rh6 Re2+ 97. Kd5 Ra2 98. Rh7+ Ke8 99. Ke6 Ra6+ 100. Kf5 Ra1 101. d5 1-0

[Event "GER-ch (Women)"]
[Site "Magdeburg"]
[Date "2022.08.16"]
[Round "3"]
[White "Schulze, Lara"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2297"]
[BlackElo "2002"]
[PlyCount "81"]
[EventDate "2022.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Nc6 7. Be2 e5 8. Nc2 Be6 9. Be3 Rc8 10. Qd2 Na5 11. b3 Be7 12. Rc1 0-0 13. 0-0 Qc7 14. Nb4 Qd8 15. Nbd5 Nc6 16. f3 Bxd5 17. cxd5 Nb8 18. Na4 Nbd7 19. g3 Re8 20. Rfd1 h6 21. Bf1 b5 22. Nb2 Ra8 23. Rc6 Qb8 24. Rdc1 g5 25. Nd1 a5 26. Nc3 b4 27. Nb5 Rf8 28. Nc7 Ra7 29. Na6 Qa8 30. Bxa7 Qxa7+ 31. Qf2 Qxf2+ 32. Kxf2 g4 33. Bb5 gxf3 34. Kxf3 Ne8 35. Rc8 Ndf6 36. Nb8 Ng7 37. Nc6 Nxd5 38. Rxf8+ Kxf8 39. exd5 Bg5 40. Rc2 f5 41. Nxa5 1-0

[Event "GER-ch (Women)"]
[Site "Magdeburg"]
[Date "2022.08.15"]
[Round "2"]
[White "Birkholz, Olga"]
[Black "Mekus, Manuela"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2002"]
[BlackElo "1638"]
[PlyCount "63"]
[EventDate "2022.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 c6 3. Be2 g6 4. d4 Bg7 5. Be3 Nd7 6. Qd2 Ngf6 7. 0-0-0 e5 8. Bh6 exd4 9. Bxg7 dxc3 10. Qxc3 Rg8 11. Bh6 Nxe4 12. Qe3 Qe7 13. f3 Nec5 14. Rxd6 Qxe3+ 15. Bxe3 Ke7 16. Rd2 Ne6 17. Nh3 Nf6 18. Bc4 Ne8 19. Re1 b6 20. Ng5 N8c7 21. Bf4 Ne8 22. Nxe6 Bxe6 23. Bg5+ Nf6 24. Rde2 h6 25. Bxf6+ Kxf6 26. Bxe6 fxe6 27. Rxe6+ Kg7 28. Rxc6 Rgf8 29. Ree6 Rfe8 30. Rxg6+ Kf7 31. Rcf6+ Ke7 32. Rxh6 1-0

[Event "GER-ch (Women)"]
[Site "Magdeburg"]
[Date "2022.08.14"]
[Round "1"]
[White "Peglau, Sarah"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1808"]
[BlackElo "2002"]
[PlyCount "86"]
[EventDate "2022.08.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 c5 2. d5 d6 3. c4 g6 4. Nc3 Bg7 5. e4 a6 6. Be3 Nh6 7. h3 e5 8. Qd2 Ng8 9. Bd3 f5 10. f3 f4 11. Bf2 Nf6 12. Nge2 0-0 13. a3 Nh5 14. b4 b6 15. Rb1 Nd7 16. a4 cxb4 17. Rxb4 Nc5 18. Nc1 Bd7 19. Qa2 Ng3 20. Rg1 Qc7 21. Be2 Nxe2 22. Kxe2 Rfc8 23. Nd3 Nxd3 24. Kxd3 b5 25. Rc1 Qa5 26. Qb3 bxc4+ 27. Rxc4 Rxc4 28. Qxc4 Rc8 29. Qb3 Bxa4 30. Qb2 Qc7 31. Kd2 Bd7 32. Qa3 Bf8 33. Qxa6 Qd8 34. Bb6 Qg5 35. Qe2 Be7 36. Ra1 Rb8 37. Qf2 Bd8 38. Bxd8 Qxd8 39. Ra2 Qc7 40. Rc2 Rc8 41. Qe2 Ba4 42. Rc1 Qc4 43. Qf1 Qb3 0-1

[Event "GER-chT Federal Cup (Women)"]
[Site "Braunfels"]
[Date "2022.06.19"]
[Round "5.18"]
[White "Braeutigam, Irina"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2013"]
[BlackElo "1993"]
[PlyCount "92"]
[EventDate "2022.06.15"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qe3 Nf6 6. h3 g6 7. Be2 Bg7 8. 0-0 0-0 9. Rd1 Qc7 10. Nc3 a6 11. a4 Nb4 12. Bd3 Be6 13. Qf4 Nxd3 14. cxd3 Bb3 15. Re1 Nh5 16. Qh4 Bf6 17. Bg5 Bxg5 18. Qxg5 f6 19. Qe3 e5 20. d4 Be6 21. Rac1 Qe7 22. Ne2 Rac8 23. Nd2 g5 24. d5 Bd7 25. Qb3 b5 26. axb5 axb5 27. Rxc8 Rxc8 28. Rc1 Rxc1+ 29. Nxc1 Nf4 30. Qe3 f5 31. Ne2 fxe4 32. Qxe4 Qf7 33. Nxf4 gxf4 34. f3 Bf5 35. Qe2 Qxd5 36. Ne4 Qd4+ 37. Kh2 d5 38. Nf6+ Kf7 39. Nh5 Kg6 40. g4 Bd3 41. Qd2 Qe3 42. Qxe3 fxe3 43. Kg2 d4 44. f4 Be4+ 45. Kf1 d3 46. fxe5 d2 0-1

[Event "GER-chT Federal Cup (Women)"]
[Site "Braunfels"]
[Date "2022.06.18"]
[Round "4.2"]
[White "Birkholz, Olga"]
[Black "Cosma, Elena Luminita"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1993"]
[BlackElo "2277"]
[PlyCount "54"]
[EventDate "2022.06.15"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 Be7 3. f4 d5 4. e5 h5 5. Nf3 c5 6. d3 Nh6 7. g3 Nf5 8. Bh3 Nc6 9. c3 a6 10. 0-0 b5 11. Bxf5 exf5 12. d4 c4 13. Ng5 Be6 14. Nd2 b4 15. Ndf3 bxc3 16. bxc3 Qa5 17. Qc2 Rb8 18. Nh4 Bxg5 19. fxg5 g6 20. Ng2 Kd7 21. h4 Rb5 22. Nf4 Rhb8 23. Rf3 Kc8 24. a4 Rb3 25. Ba3 Qxa4 26. Bc1 Qa5 27. Rf1 R3b5 1/2-1/2

[Event "GER-chT Federal Cup (Women)"]
[Site "Braunfels"]
[Date "2022.06.17"]
[Round "3.10"]
[White "Birkholz, Olga"]
[Black "Frey, Alisa"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1993"]
[BlackElo "1998"]
[PlyCount "51"]
[EventDate "2022.06.15"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Qa4+ Nc6 6. Bg2 Be6 7. Nf3 Nb6 8. Qd1 Be7 9. 0-0 0-0 10. d3 f6 11. Bd2 Qd7 12. Re1 Nb4 13. a4 a5 14. b3 c6 15. Ne4 N6d5 16. Rc1 b6 17. d4 Bf5 18. Nh4 exd4 19. Nxf5 Qxf5 20. Rc4 c5 21. Bxb4 axb4 22. e3 dxe3 23. Qxd5+ Qxd5 24. Nxf6+ Bxf6 25. Bxd5+ Kh8 26. fxe3 1/2-1/2

[Event "GER-chT Federal Cup (Women)"]
[Site "Braunfels"]
[Date "2022.06.17"]
[Round "2.10"]
[White "Jussupow, Nadejda"]
[Black "Birkholz, Olga"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2146"]
[BlackElo "1993"]
[PlyCount "28"]
[EventDate "2022.06.15"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 b6 2. e4 Bb7 3. Nc3 e6 4. Bd3 Nc6 5. Nf3 Nb4 6. Be2 d5 7. exd5 Nxd5 8. 0-0 Nxc3 9. bxc3 Bd6 10. a4 Nf6 11. Bb5+ c6 12. Bd3 h6 13. Ba3 0-0 14. Bxd6 Qxd6 1/2-1/2

[Event "GER-chT Federal Cup (Women)"]
[Site "Braunfels"]
[Date "2022.06.16"]
[Round "1.18"]
[White "Birkholz, Olga"]
[Black "Nizamova, Rita"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1993"]
[BlackElo "1814"]
[PlyCount "39"]
[EventDate "2022.06.15"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Nh5 5. Bg5 h6 6. Bd2 Bg7 7. h3 0-0 8. g4 Nf6 9. Qc1 h5 10. Bh6 Nc6 11. gxh5 Nxh5 12. Rg1 Qd6 13. Bxg7 Kxg7 14. Qg5 Kh7 15. Qxd5 Qb4 16. 0-0-0 Nf6 17. Qg5 Bf5 18. e4 Bd7 19. e5 Nh5 20. Bd3 1-0

[Event "Bassano del Grappa Easter op-A 2nd"]
[Site "Bassano del Grappa"]
[Date "2022.04.17"]
[Round "7"]
[White "Budyi, Danylo"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1817"]
[BlackElo "2044"]
[PlyCount "74"]
[EventDate "2022.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. Bg5 Nf6 4. Nbd2 Be7 5. Bxf6 Bxf6 6. e4 d5 7. exf5 exf5 8. Qe2+ Qe7 9. Qxe7+ Kxe7 10. 0-0-0 Nc6 11. c3 Be6 12. Bd3 Rae8 13. Rhe1 Kd6 14. Bb5 a6 15. Bxc6 Kxc6 16. Ne5+ Kb5 17. f4 a5 18. Ndf3 b6 19. Re3 Re7 20. Rde1 Rhe8 21. a4+ Kxa4 22. Nc6 g5 23. Nxe7 Bf7 24. fxg5 f4 25. gxf6 fxe3 26. Rxe3 Rd8 27. Ng5 Bh5 28. Nxh7 c5 29. Rh3 Bg4 30. f7 Bxh3 31. gxh3 cxd4 32. cxd4 Kb5 33. f8Q Rxf8 34. Nxf8 Kc4 35. Nc6 b5 36. Nxa5+ Kxd4 37. Nc6+ Ke3 1-0

[Event "Bassano del Grappa Easter op-A 2nd"]
[Site "Bassano del Grappa"]
[Date "2022.04.16"]
[Round "6"]
[White "Birkholz, Olga"]
[Black "Bordin, Silvia"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2044"]
[BlackElo "1912"]
[PlyCount "96"]
[EventDate "2022.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c3 c5 4. e3 Nc6 5. Bd3 Nf6 6. Nbd2 c4 7. Bc2 b5 8. 0-0 Be7 9. Qe2 Bb7 10. e4 dxe4 11. Nxe4 a6 12. b3 cxb3 13. axb3 Nxe4 14. Bxe4 0-0 15. Ne5 Qc8 16. Nf3 Bf6 17. Rd1 Ne7 18. Bxb7 Qxb7 19. c4 bxc4 20. bxc4 a5 21. Ba3 Rfd8 22. Rab1 Qc7 23. Rb5 Rab8 24. Rc5 Qb6 25. g4 h6 26. Rb5 Qc7 27. Rxb8 Rxb8 28. Bxe7 Bxe7 29. c5 Bf6 30. Qe4 a4 31. Ra1 Qa5 32. Ne5 Bxe5 33. Qxe5 Rc8 34. Qe3 Qb4 35. h3 Rd8 36. Rd1 a3 37. Qd2 Qa4 38. Qc1 a2 39. Qa1 Qxd1+ 40. Qxd1 Rb8 41. Qa4 Rb1+ 42. Kg2 a1Q 43. Qe8+ Kh7 44. Qxf7 Rg1+ 45. Kh2 Rh1+ 46. Kg3 Qg1+ 47. Kf3 Rxh3+ 48. Ke4 Qe1+ 0-1

[Event "Bassano del Grappa Easter op-A 2nd"]
[Site "Bassano del Grappa"]
[Date "2022.04.16"]
[Round "5"]
[White "Vincenti, Leonardo"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1731"]
[BlackElo "2044"]
[PlyCount "64"]
[EventDate "2022.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 c6 5. Qd2 b5 6. f3 b4 7. Nd1 a5 8. g3 Ba6 9. Bg2 Nd7 10. f4 Nb6 11. e5 Rc8 12. b3 Nd5 13. Bf2 Nh6 14. Ne3 Nc3 15. Nd1 Nd5 16. Ne3 Nc3 17. Nd1 Nb5 18. Ne3 0-0 19. Ne2 c5 20. Rd1 cxd4 21. Nxd4 Nc3 22. Rc1 dxe5 23. fxe5 Qc7 24. Nc6 Bb7 25. Nd4 Bxg2 26. Nxg2 Qxe5+ 27. Qe3 Qd5 28. 0-0 Qxd4 29. Qxe7 Qg4 30. Kh1 Nf5 31. Qa7 Ra8 32. Qb7 Rfb8 0-1

[Event "Bassano del Grappa Easter op-A 2nd"]
[Site "Bassano del Grappa"]
[Date "2022.04.15"]
[Round "4"]
[White "Birkholz, Olga"]
[Black "Marson, Roy"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2044"]
[BlackElo "1872"]
[PlyCount "120"]
[EventDate "2022.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. Ne2 d6 5. 0-0 0-0 6. b3 c5 7. c3 Nc6 8. Nd2 b6 9. Ng3 Bb7 10. Bb2 Qd7 11. Qe2 Rfd8 12. Rad1 cxd4 13. exd4 e6 14. f4 Ne7 15. Nc4 Nfd5 16. Qe1 Qc7 17. Ne4 b5 18. Na3 a6 19. Ng5 Re8 20. c4 bxc4 21. bxc4 Nf6 22. Nc2 Nf5 23. Bxf5 exf5 24. Qc3 h6 25. Nf3 Ne4 26. Qd3 Rab8 27. Ba3 Rec8 28. Ne3 Qa5 29. Rc1 Qa4 30. d5 Nc5 31. Bxc5 Rxc5 32. Rf2 a5 33. Nd4 Re8 34. Nb3 Rc7 35. Qd2 Qa3 36. Rf3 a4 37. Nc2 Qxa2 38. Na5 Ba6 39. Ra3 Qb2 40. Rxa4 Bc3 41. Qd1 Qb6+ 42. Kh1 Bxa5 43. Rca1 Rc5 44. Qd3 Bc8 45. h3 Bd7 46. R4a2 Re4 47. Nd4 Re1+ 48. Rxe1 Bxe1 49. Ra8+ Rc8 50. Rxc8+ Bxc8 51. Nf3 Bg3 52. Ne5 Qf2 53. Nf3 Bxf4 54. Qa3 Qf1+ 55. Ng1 Qxc4 56. Qa8 Kg7 57. Qa1+ Be5 58. Qd1 Bb7 59. Nf3 Qxd5 60. Qb1 Qe4 0-1

[Event "Bassano del Grappa Easter op-A 2nd"]
[Site "Bassano del Grappa"]
[Date "2022.04.15"]
[Round "3"]
[White "Rexhepi, Halit"]
[Black "Birkholz, Olga"]
[Result "1/2-1/2"]
[ECO "B88"]
[WhiteElo "1940"]
[BlackElo "2044"]
[PlyCount "39"]
[EventDate "2022.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 e6 8. Qe2 Be7 9. a3 0-0 10. Be3 Qa5 11. 0-0 Qc7 12. f4 Nc6 13. Rad1 Bd7 14. Qf3 Na5 15. Rfe1 Nc4 16. Bc1 Rac8 17. Kh1 Nxa3 18. e5 Ne8 19. exd6 Nxd6 20. Nd5 1/2-1/2

[Event "Bassano del Grappa Easter op-A 2nd"]
[Site "Bassano del Grappa"]
[Date "2022.04.14"]
[Round "1"]
[White "Baum, Jonasz"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2355"]
[BlackElo "2044"]
[PlyCount "61"]
[EventDate "2022.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 c5 4. d5 e5 5. e4 Nh5 6. Be3 d6 7. Nc3 Be7 8. Qd2 a6 9. Bd3 Nf4 10. Bc2 Bg5 11. 0-0-0 h6 12. g3 Nh5 13. f4 exf4 14. gxf4 Be7 15. e5 0-0 16. Nf3 Ng7 17. Rhg1 Bf5 18. Ne4 b6 19. Ng3 Bxc2 20. Qxc2 dxe5 21. fxe5 h5 22. d6 Bh4 23. Qe4 Bxg3 24. Qxa8 Nf5 25. Qe4 Nxe3 26. Qxe3 Bh4 27. e6 Re8 28. e7 Bxe7 29. dxe7 Qxe7 30. Qxe7 Rxe7 31. Rd8+ 1-0

[Event "Bassano del Grappa Easter op-A 2nd"]
[Site "Bassano del Grappa"]
[Date "2022.04.14"]
[Round "2"]
[White "Birkholz, Olga"]
[Black "Carlo, Emanuele"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2044"]
[BlackElo "2296"]
[PlyCount "102"]
[EventDate "2022.04.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 d5 5. Bg2 0-0 6. 0-0 a5 7. a3 c6 8. d3 Bg4 9. Nbd2 Na6 10. bxa5 Nc5 11. c4 Qxa5 12. cxd5 cxd5 13. Nb3 Qb5 14. Nfd4 Qb6 15. Rb1 Na4 16. Ba1 e5 17. Nc2 Qe6 18. f3 Bh3 19. Nd2 Bxg2 20. Kxg2 Rfc8 21. Rb3 h5 22. d4 e4 23. f4 Ne8 24. Ne3 Nd6 25. Qb1 b5 26. Qa2 h4 27. g4 b4 28. Rxb4 Nc3 29. Qb3 Nxe2 30. Qxd5 Rxa3 31. Qxe6 fxe6 32. Nb3 Rf8 33. Bb2 Raa8 34. f5 exf5 35. Rf2 f4 36. Nd5 f3+ 37. Kh3 g5 38. Rf1 Rfb8 39. Bc1 Rxb4 40. Nxb4 Rb8 41. Bxg5 Rxb4 42. Nc5 Bxd4 43. Ne6 Be5 44. Kxh4 Kf7 45. Nd8+ Kg7 46. Nc6 Rb5 47. Nxe5 Rxe5 48. Bd8 Re8 49. Bc7 Kg6 50. g5 Nf5+ 51. Kg4 Ne3+ 0-1

[Event "Oberliga Bayern 2122"]
[Site "Bayern"]
[Date "2022.03.13"]
[Round "6.7"]
[White "Troidl, Thomas"]
[Black "Birkholz, Olga"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1864"]
[BlackElo "2051"]
[PlyCount "120"]
[EventDate "2021.10.24"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Kareth Lappersdorf"]
[BlackTeam "Bindlach Aktionaer"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 g6 3. Nf3 Bg7 4. c4 Nd7 5. Nc3 c5 6. Be3 Ngf6 7. h3 0-0 8. d5 Qa5 9. Qd2 a6 10. Be2 b5 11. Bd3 Rb8 12. cxb5 axb5 13. 0-0 b4 14. Ne2 Ba6 15. Bxa6 Qxa6 16. Ng3 Rfe8 17. a3 bxa3 18. Rxa3 Qb5 19. b3 h5 20. Qc2 Qb4 21. Bc1 Rec8 22. Nd2 Nb6 23. Ra7 Nbd7 24. Ra4 Qb7 25. Bb2 Nb6 26. Ra2 Nbd7 27. Rfa1 Ra8 28. Bc3 Rxa2 29. Qxa2 Rb8 30. Qa7 Bh6 31. Ngf1 Bg7 32. Ne3 Kh7 33. Nec4 Ne8 34. Bxg7 Kxg7 35. Qa4 Nb6 36. Qa5 Nxc4 37. bxc4 Qb4 38. Kf1 h4 39. Ke2 Qxa5 40. Rxa5 g5 41. Ra7 Kf8 42. Ra2 Nf6 43. f4 Rb4 44. fxg5 Nh7 45. Kf3 Nxg5+ 46. Kg4 f6 47. Rc2 Nf7 48. Kxh4 Ne5 49. g4 Kf7 50. Kg3 Ra4 51. Kf2 Ra3 52. Kg2 Ra4 53. Kg3 Ra3+ 54. Kg2 Ra4 55. Kh2 Kg7 56. Kg3 Ra3+ 57. Kg2 Ra4 58. Kg3 Ra3+ 59. Kg2 Ra4 60. Kg3 Ra3+ 1/2-1/2

[Event "GER-chT Federal Cup (Women)"]
[Site "Braunfels"]
[Date "2021.10.24"]
[Round "5.11"]
[White "Birkholz, Olga"]
[Black "Tuzi, Bruna"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2012"]
[BlackElo "1971"]
[PlyCount "128"]
[EventDate "2021.10.19"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. c4 Bg4 5. Qc2 e6 6. Ne5 Bf5 7. d3 Nbd7 8. Nxd7 Qxd7 9. 0-0 dxc4 10. Qxc4 Be7 11. b4 Nd5 12. Bb2 Bf6 13. d4 Nb6 14. Qb3 Bg4 15. e3 0-0 16. Nc3 Bf5 17. e4 Bg4 18. h3 Bh5 19. g4 Bg6 20. Ne2 h6 21. Rad1 Rfe8 22. Nf4 Bh7 23. Nd3 Rad8 24. a4 Qc7 25. a5 Nc8 26. e5 Be7 27. Nf4 Bg5 28. Ne2 Ne7 29. f4 Bh4 30. Bc1 Nd5 31. f5 Qe7 32. b5 cxb5 33. Qxb5 b6 34. axb6 Rb8 35. Bxd5 Rxb6 36. Qa5 exd5 37. Qxd5 Rd8 38. Qe4 Rb3 39. Rf3 Rxf3 40. Qxf3 a5 41. Ba3 Qe8 42. Rc1 Qa4 43. Bc5 Bg5 44. Rf1 Qc4 45. Ra1 Bd2 46. Kg2 g6 47. Rg1 Qc2 48. e6 gxf5 49. exf7+ Kxf7 50. Qb7+ Kg8 51. gxf5 Bxf5 52. Kf2+ Bg5 53. h4 Re8 54. Qf3 Bd3 55. hxg5 Rxe2+ 56. Kg3 Be4 57. Qf8+ Kh7 58. Qf7+ Kh8 59. Qf6+ Kh7 60. Qxh6+ Kg8 61. Qf8+ Kh7 62. g6+ Kxg6 63. Kf4+ Bg2 64. Qf5+ Qxf5+ 0-1

[Event "GER-chT Federal Cup (Women)"]
[Site "Braunfels"]
[Date "2021.10.23"]
[Round "4.3"]
[White "Ciolacu, Alessia Mihaela"]
[Black "Birkholz, Olga"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2186"]
[BlackElo "2012"]
[PlyCount "85"]
[EventDate "2021.10.19"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 d6 5. e4 b5 6. cxb5 a6 7. bxa6 Bxa6 8. Nf3 Bxf1 9. Kxf1 Bg7 10. g3 0-0 11. Kg2 Na6 12. Qe2 Qc8 13. Nd2 Nb4 14. Nc4 Nd7 15. a4 Qb7 16. Bf4 Nb6 17. Nxb6 Qxb6 18. Rac1 Qa6 19. Qxa6 Rxa6 20. Rhd1 c4 21. Bg5 Nd3 22. Rc2 Bxc3 23. Rxc3 Nxb2 24. Rb1 Nxa4 25. Rxc4 f6 26. Be3 Kf7 27. Rb7 Ra5 28. Rcc7 Re8 29. Bd4 f5 30. Ra7 Rxa7 31. Rxa7 Nc5 32. Bxc5 dxc5 33. e5 c4 34. Rc7 Rd8 35. d6 Ke6 36. Rxe7+ Kd5 37. f4 g5 38. Kf3 g4+ 39. Ke3 Rb8 40. d7 c3 41. Re8 c2 42. Kd2 c1Q+ 43. Kxc1 1-0

[Event "GER-chT Federal Cup (Women)"]
[Site "Braunfels"]
[Date "2021.10.22"]
[Round "3.10"]
[White "Birkholz, Olga"]
[Black "Kickert, Germaine Helene"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2012"]
[BlackElo "1977"]
[PlyCount "47"]
[EventDate "2021.10.19"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Bd3 c5 4. c3 b6 5. Qe2 Bb7 6. f4 d6 7. Nf3 Nbd7 8. Nbd2 Bg7 9. e4 cxd4 10. cxd4 e5 11. Nc4 Qe7 12. fxe5 dxe5 13. dxe5 Nxe5 14. Ncxe5 Qb4+ 15. Bd2 Qxb2 16. Rb1 Qxa2 17. Bb5+ Kd8 18. Qd3+ Nd5 19. exd5 Bxe5 20. Nxe5 Qxd5 21. Bg5+ Kc7 22. Rc1+ Kd6 23. Nxf7+ Ke6 24. Bc4 1-0

[Event "GER-chT Federal Cup (Women)"]
[Site "Braunfels"]
[Date "2021.10.22"]
[Round "2.19"]
[White "Birkholz, Olga"]
[Black "Peglau, Mirjam"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2012"]
[BlackElo "1840"]
[PlyCount "118"]
[EventDate "2021.10.19"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 d5 5. cxd5 Nxd5 6. 0-0 e5 7. d3 Be7 8. Nc3 Be6 9. Nxd5 Bxd5 10. Be3 0-0 11. Rc1 b6 12. Qa4 Rc8 13. a3 Qd6 14. Ne1 Rfd8 15. Bxd5 Qxd5 16. Ng2 h6 17. Qg4 Qd7 18. Qxd7 Rxd7 19. Rc2 Bg5 20. h4 Bxe3 21. fxe3 Ne7 22. e4 f6 23. Ne3 Kf7 24. Kf2 Ke6 25. Rfc1 Rdc7 26. Rc3 Rc6 27. g4 R8c7 28. h5 Rc8 29. Nf5 Nxf5 30. gxf5+ Kd6 31. Rg1 R8c7 32. Ke3 Rd7 33. Rgc1 Rdc7 34. Kf3 Rc8 35. Rg1 R8c7 36. e3 Rd7 37. Rc2 Rcc7 38. Ke2 Kc6 39. Rgc1 Kd6 40. Rd1 Ke7 41. a4 Kd8 42. Rcd2 Ke7 43. b3 Rd6 44. Rg1 Kd8 45. Rc1 Kd7 46. d4 cxd4 47. Rxc7+ Kxc7 48. exd4 exd4 49. Kd3 Kb7 50. Rc2 a6 51. Rc4 Rc6 52. Rxd4 Kc7 53. b4 Rc1 54. Rc4+ Rxc4 55. Kxc4 Kd6 56. Kd4 Kc6 57. e5 fxe5+ 58. Kxe5 a5 59. bxa5 bxa5 1-0

[Event "Arco op 43rd"]
[Site "Arco"]
[Date "2021.10.17"]
[Round "9"]
[White "Hilbenz, Guntram"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1873"]
[BlackElo "2012"]
[PlyCount "33"]
[EventDate "2021.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 b6 6. b3 Bb7 7. Bb2 e6 8. e3 Nge7 9. 0-0 Nf5 10. g4 Nh4 11. Nxh4 Qxh4 12. f4 f5 13. gxf5 gxf5 14. Qe1 Qe7 15. Qe2 0-0-0 16. d3 Rhg8 17. Kh1 0-1

[Event "Arco op 43rd"]
[Site "Arco"]
[Date "2021.10.16"]
[Round "8"]
[White "Birkholz, Olga"]
[Black "Vezzosi, Paolo"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2012"]
[BlackElo "2218"]
[PlyCount "90"]
[EventDate "2021.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. e3 Bg7 4. Bd3 c5 5. c3 b6 6. Qe2 Nc6 7. 0-0 0-0 8. Ne5 Bb7 9. f4 e6 10. Nd2 Ne7 11. a4 d6 12. Nef3 Nc6 13. Nc4 a6 14. e4 cxd4 15. e5 dxe5 16. fxe5 Nd5 17. cxd4 Ndb4 18. Bb1 Nxd4 19. Nxd4 Qxd4+ 20. Be3 Qh4 21. Bxb6 Nd5 22. Bf2 Qg5 23. Bg3 h5 24. Be4 Rab8 25. Qe1 Qe7 26. Nd6 Ba8 27. Qe2 h4 28. Bxd5 Bxd5 29. Be1 Rb3 30. Bc3 h3 31. g3 Bh6 32. Ne4 Qa7+ 33. Nf2 Rc8 34. Rfe1 Rc4 35. Qd3 Qc5 36. Rad1 Rxa4 37. Qf1 Be3 38. Rxe3 Qxe3 39. Qxh3 Rxc3 40. bxc3 Ra2 41. Qf1 Qxc3 42. Rd3 Qxe5 43. Ng4 Qb2 44. Nh6+ Kh8 45. Nxf7+ Kg7 0-1

[Event "Arco op 43rd"]
[Site "Arco"]
[Date "2021.10.15"]
[Round "7"]
[White "De Santis, Alessio"]
[Black "Birkholz, Olga"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2191"]
[BlackElo "2012"]
[PlyCount "33"]
[EventDate "2021.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. b3 d6 2. Bb2 e5 3. e3 Nc6 4. c4 f5 5. a3 Nf6 6. b4 Qe7 7. b5 Nd8 8. Nf3 e4 9. Nd4 g6 10. Nc3 Bg7 11. Be2 0-0 12. Qc2 c6 13. bxc6 bxc6 14. f4 Rb8 15. Rb1 Nd7 16. Nb3 Nf6 17. 0-0 1/2-1/2

[Event "Arco op 43rd"]
[Site "Arco"]
[Date "2021.10.14"]
[Round "6"]
[White "Birkholz, Olga"]
[Black "Perman, Sergey"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2012"]
[BlackElo "2146"]
[PlyCount "66"]
[EventDate "2021.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. Nc3 Bg7 4. Bg5 0-0 5. Qd2 d6 6. Bh6 Bg4 7. h3 Bxf3 8. exf3 e5 9. Bxg7 Kxg7 10. 0-0-0 exd4 11. Qxd4 Nc6 12. Qd2 a6 13. h4 h5 14. g4 hxg4 15. h5 Rh8 16. fxg4 Nxg4 17. Bh3 Nf6 18. hxg6 fxg6 19. f4 Rh4 20. f5 Qh8 21. Bg2 Ne5 22. Rxh4 Qxh4 23. Rh1 Qg4 24. Qh6+ Kf7 25. Bxb7 Rg8 26. fxg6+ Rxg6 27. Qd2 a5 28. b3 Qb4 29. Bd5+ Ke7 30. Rd1 c6 31. Bh1 Rg3 32. Nb1 Qc5 33. Kb2 Qb4 1/2-1/2

[Event "Arco op 43rd"]
[Site "Arco"]
[Date "2021.10.13"]
[Round "5"]
[White "Modena, Giorgio"]
[Black "Birkholz, Olga"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1841"]
[BlackElo "2012"]
[PlyCount "51"]
[EventDate "2021.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 a6 2. d4 d6 3. Bd3 g6 4. Ne2 Bg7 5. Be3 Nf6 6. f3 Nbd7 7. Qd2 c5 8. c3 h5 9. a4 b6 10. Na3 Qc7 11. Rc1 Bb7 12. 0-0 0-0 13. h3 e5 14. d5 Nh7 15. g4 hxg4 16. hxg4 Qd8 17. Ng3 Bf6 18. Kg2 Re8 19. Rh1 Ndf8 20. Rh2 Bg5 21. Bxg5 Nxg5 22. f4 Ngh7 23. Rch1 f6 24. Rf1 Bc8 25. f5 g5 26. Qe2 1/2-1/2

[Event "Arco op 43rd"]
[Site "Arco"]
[Date "2021.10.12"]
[Round "4"]
[White "Birkholz, Olga"]
[Black "Rigo, Gianfrancesco"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2012"]
[BlackElo "1826"]
[PlyCount "48"]
[EventDate "2021.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. c3 Nf6 4. h3 d6 5. Nbd2 b6 6. e4 Bb7 7. Bd3 Nbd7 8. 0-0 0-0 9. Re1 e5 10. Nf1 Nh5 11. Bg5 Bf6 12. Bd2 Re8 13. Qc1 c6 14. g4 Ng7 15. Ng3 Ne6 16. Be3 d5 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. f4 Qh4 20. Kh2 dxe4 21. Bxe4 Bg7 22. Bg2 Nc5 23. Bxc5 Rxe1 24. Qxe1 bxc5 1-0

[Event "Arco op 43rd"]
[Site "Arco"]
[Date "2021.10.11"]
[Round "3"]
[White "Pipitone, Antonio"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1799"]
[BlackElo "2012"]
[PlyCount "55"]
[EventDate "2021.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. a4 e5 7. Nb3 Be6 8. Bg5 Be7 9. Be2 h6 10. Bxf6 Bxf6 11. 0-0 Nc6 12. Nd5 Bg5 13. c3 0-0 14. Bd3 Ne7 15. c4 Bxd5 16. cxd5 f5 17. exf5 Nxf5 18. g3 Qe7 19. Qe2 Qf7 20. Be4 g6 21. h4 Bd8 22. Nd2 Kg7 23. Kg2 Bb6 24. Nc4 Bc5 25. Rac1 Rae8 26. a5 Qf6 27. Ne3 Nd4 28. b3 0-1

[Event "Arco op 43rd"]
[Site "Arco"]
[Date "2021.10.10"]
[Round "2"]
[White "Birkholz, Olga"]
[Black "Starostits, Ilmars"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2012"]
[BlackElo "2428"]
[PlyCount "114"]
[EventDate "2021.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. Bd3 c5 6. 0-0 0-0 7. b3 Nc6 8. Bb2 cxd4 9. exd4 Nh5 10. Re1 Nf4 11. Bb5 Bg4 12. Bxc6 bxc6 13. h3 Bh5 14. Nf1 c5 15. c3 cxd4 16. cxd4 Rc8 17. Ng3 Bxf3 18. Qxf3 Ne6 19. Qd3 Qa5 20. Ne2 Rc7 21. a4 Rb8 22. Rab1 Rbc8 23. Ba3 Bf6 24. Red1 h5 25. f4 Ng7 26. Bc5 h4 27. Kh1 Nf5 28. Rg1 Rc6 29. b4 Qc7 30. Rgf1 Re6 31. Rf3 Qd7 32. Nc3 Ng3+ 33. Kh2 Ne4 34. a5 Nxc3 35. Qxc3 Re4 36. Qd2 a6 37. Rbf1 e6 38. Kh1 Kg7 39. Qd3 Rh8 40. Qd2 Qb7 41. Qd3 Bd8 42. Qd2 Bc7 43. Qd3 Rf8 44. Qd2 Rg8 45. Qd3 Rh8 46. Qd2 Rh5 47. Re1 Rf5 48. Rxe4 dxe4 49. Rf2 Qb5 50. Kg1 Qc4 51. Qe3 g5 52. Qe2 Qc3 53. fxg5 Rxf2 54. Qxf2 Qc1+ 55. Qf1 Bh2+ 56. Kf2 e3+ 57. Ke2 Qc4+ 0-1

[Event "Arco op 43rd"]
[Site "Arco"]
[Date "2021.10.09"]
[Round "1"]
[White "Donadi, Luca"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "B25"]
[WhiteElo "1631"]
[BlackElo "2012"]
[PlyCount "66"]
[EventDate "2021.10.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Ne2 a6 3. Nbc3 d6 4. g3 Nc6 5. Bg2 g6 6. 0-0 Bg7 7. d3 e6 8. Be3 Nd4 9. Qd2 Ne7 10. f4 0-0 11. h3 Rb8 12. Rab1 Nec6 13. a3 Bd7 14. g4 f5 15. g5 Nxe2+ 16. Nxe2 b5 17. Ng3 Qc7 18. c3 Ne7 19. d4 cxd4 20. Bxd4 e5 21. Be3 fxe4 22. Nxe4 Nf5 23. Rbd1 Nxe3 24. Qxe3 exf4 25. Rxf4 Be5 26. Rxf8+ Rxf8 27. Qd3 Qb6+ 28. Kh1 Bc6 29. Rf1 Rxf1+ 30. Qxf1 Qe3 31. Nf6+ Bxf6 32. gxf6 Qxh3+ 33. Kg1 Qxg2+ 0-1

[Event "EUR-ch Seniors 50"]
[Site "Prague"]
[Date "2021.09.07"]
[Round "9.4"]
[White "Koblasa, Josef"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "E72"]
[WhiteElo "1929"]
[BlackElo "2018"]
[PlyCount "54"]
[EventDate "2021.08.30"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Udlice Sokol 50"]
[BlackTeam "Germany (Women) 50"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 d6 6. e4 Nbd7 7. Nge2 c5 8. d5 a6 9. Bd2 Ne5 10. b3 Nd3+ 11. Kf1 Ng4 12. Be1 Nxe1 13. Qxe1 f5 14. h3 Ne5 15. f4 fxe4 16. Bxe4 Nd7 17. Kg2 b5 18. Rc1 b4 19. Nd1 Nf6 20. Bc2 e6 21. Ne3 exd5 22. cxd5 Qe7 23. Qd2 Re8 24. Kf2 Ra7 25. f5 Ne4+ 26. Bxe4 Qxe4 27. Rc4 Qxh1 0-1

[Event "EUR-ch Seniors 50"]
[Site "Prague"]
[Date "2021.09.05"]
[Round "7.4"]
[White "Sysr, Pavel"]
[Black "Birkholz, Olga"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1563"]
[BlackElo "2018"]
[PlyCount "62"]
[EventDate "2021.08.30"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Boskovice Makkabi 50"]
[BlackTeam "Germany (Women) 50"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. c4 d6 5. Be2 Nbd7 6. Nc3 0-0 7. 0-0 Re8 8. d5 a5 9. Qc2 Nc5 10. e4 e5 11. Bg5 h6 12. Be3 Ng4 13. Bd2 f5 14. h3 Nf6 15. exf5 gxf5 16. Nh4 Nfe4 17. Nf3 Nxd2 18. Qxd2 Qf6 19. Rad1 Re7 20. g3 f4 21. Kh2 e4 22. Rg1 exf3 23. Bxf3 fxg3+ 24. Rxg3 Bf5 25. Rdg1 Rf8 26. Bh5 Kh8 27. Rf3 Qd4 28. Qxd4 Bxd4 29. Bg4 Ref7 30. Ne2 Be5+ 31. Ng3 Bxg4 0-1

[Event "EUR-ch Seniors 50"]
[Site "Prague"]
[Date "2021.09.04"]
[Round "6.4"]
[White "Birkholz, Olga"]
[Black "Konopka, Michal"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2018"]
[BlackElo "2368"]
[PlyCount "98"]
[EventDate "2021.08.30"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Germany (Women) 50"]
[BlackTeam "Czech Republic 50"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "CZE"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. d4 Bg7 5. 0-0 0-0 6. c3 c5 7. Bf4 cxd4 8. Bxb8 Rxb8 9. Qxd4 Qa5 10. Nbd2 Ne4 11. Nb3 Bxd4 12. Nxa5 Bb6 13. Nb3 Bg4 14. e3 f6 15. h3 Be6 16. Nbd2 Nd6 17. Rfe1 Bf7 18. a4 a5 19. Bf1 e5 20. Kg2 Rbc8 21. Kh2 Rfd8 22. Rac1 Kg7 23. Be2 Be8 24. b3 Ne4 25. Nxe4 dxe4 26. Ng1 Rd2 27. Kg2 f5 28. Kf1 f4 29. gxf4 exf4 30. exf4 Bc6 31. Red1 Rb2 32. Rb1 Rc2 33. Rbc1 Rb2 34. Rb1 Rxb1 35. Rxb1 Rf8 36. Rb2 Rxf4 37. Bd1 g5 38. Ke1 Kg6 39. Rd2 Bc5 40. Re2 h5 41. Bc2 Kf6 42. Bd1 Kg6 43. Bc2 Kf6 44. Bd1 g4 45. hxg4 hxg4 46. Bc2 Kg5 47. Bd1 Kh4 48. Bc2 g3 49. fxg3+ Kxg3 0-1

[Event "EUR-ch Seniors 50"]
[Site "Prague"]
[Date "2021.09.03"]
[Round "5.4"]
[White "Danek, Pavel"]
[Black "Birkholz, Olga"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "1870"]
[BlackElo "2018"]
[PlyCount "85"]
[EventDate "2021.08.30"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Pardubice Bohemia 50"]
[BlackTeam "Germany (Women) 50"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "GER"]

1. d4 g6 2. Nf3 Bg7 3. c3 b6 4. Bg5 Bb7 5. Nbd2 h6 6. Bf4 Nf6 7. h3 d6 8. e3 Nbd7 9. Qc2 c5 10. Bd3 Qc7 11. 0-0 0-0 12. Rad1 Rac8 13. a3 Rfe8 14. Rfe1 Qd8 15. Bg3 Rf8 16. e4 cxd4 17. Nxd4 Nh5 18. Ne2 Nxg3 19. Nxg3 Be5 20. Ne2 Nc5 21. Bc4 e6 22. Ba2 g5 23. f3 b5 24. Nb3 Nd7 25. Nbd4 Qb6 26. Kh1 Kh8 27. Qd2 Bf6 28. Ng3 Be7 29. Nh5 Qc5 30. Bxe6 fxe6 31. Nxe6 Qe5 32. Nxf8 Bxf8 33. Qd4 Kh7 34. Qxe5 Nxe5 35. Ng3 Kg6 36. Nf1 a6 37. Ne3 Nc4 38. Re2 Nxe3 39. Rxe3 Kf6 40. Red3 Ke5 41. Kg1 Rc7 42. Kf2 Rf7 43. Ke3 1/2-1/2

[Event "EUR-ch Seniors 50"]
[Site "Prague"]
[Date "2021.09.02"]
[Round "4.4"]
[White "Birkholz, Olga"]
[Black "Motuz, Karol"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2018"]
[BlackElo "2323"]
[PlyCount "86"]
[EventDate "2021.08.30"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Germany (Women) 50"]
[BlackTeam "Slovakia 50"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SVK"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Be2 Nf6 6. Bf3 0-0 7. 0-0 d6 8. c4 Qb6 9. Be3 Qxb2 10. Nd2 Nc6 11. Rb1 Qa3 12. Nxc6 bxc6 13. e5 dxe5 14. Bxc6 Bf5 15. Rb3 Qxa2 16. Bxa8 Bc2 17. Qa1 Bxb3 18. Qxa2 Bxa2 19. Bc6 Rb8 20. Bb5 a6 21. Bxa6 Ng4 22. Bc5 Rb2 23. Rd1 Bh6 24. h3 Nxf2 25. Bxf2 Bxd2 26. Bc5 Kf8 27. Ba3 Rc2 28. c5 Bd5 29. Bf1 Be3+ 30. Kh1 e6 31. c6+ Bc5 32. Rxd5 exd5 33. Bd3 Bxa3 34. Bxc2 Bd6 35. Bb3 d4 36. Kg1 Ke7 37. Kf2 f5 38. Ke2 e4 39. Bd5 Bf4 40. Bg8 d3+ 41. Kd1 e3 42. c7 Bxc7 43. Bxh7 Ba5 0-1

[Event "EUR-ch Seniors 50"]
[Site "Prague"]
[Date "2021.09.01"]
[Round "3.4"]
[White "Sura, Jaroslav"]
[Black "Birkholz, Olga"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2004"]
[BlackElo "2018"]
[PlyCount "34"]
[EventDate "2021.08.30"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Litomerice Slavoj 50"]
[BlackTeam "Germany (Women) 50"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "GER"]

1. e4 a6 2. d4 g6 3. Be3 Bg7 4. Qd2 c5 5. c3 Nf6 6. f3 cxd4 7. cxd4 d6 8. a4 0-0 9. Nc3 Nc6 10. Bc4 Bd7 11. Nge2 Na5 12. Ba2 b5 13. b4 Nc6 14. axb5 Nxb4 15. bxa6 Rxa6 16. Rb1 Nxa2 17. Nxa2 d5 1/2-1/2

[Event "EUR-ch Seniors 50"]
[Site "Prague"]
[Date "2021.08.31"]
[Round "2.4"]
[White "Birkholz, Olga"]
[Black "Priehoda, Vitezslav"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2018"]
[BlackElo "2269"]
[PlyCount "46"]
[EventDate "2021.08.30"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]
[WhiteTeam "Germany (Women) 50"]
[BlackTeam "1960 69 50"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "CZE"]

1. Nf3 d5 2. d4 c6 3. e3 Bf5 4. Bd3 Bg6 5. b3 e6 6. Ne5 Nd7 7. Nxg6 hxg6 8. Bb2 Bd6 9. g3 f5 10. c4 Ngf6 11. Nd2 g5 12. cxd5 cxd5 13. Nf3 Ne4 14. Ke2 g4 15. Nd2 Rc8 16. f3 Nxd2 17. Qxd2 gxf3+ 18. Kxf3 Qg5 19. Rag1 Nf6 20. Bb5+ Ke7 21. Ke2 Ne4 22. Qd1 Qg4+ 23. Ke1 Bb4+ 0-1

[Event "Bayern-ch 92th"]
[Site "Lichtenfels"]
[Date "2021.08.27"]
[Round "8"]
[White "Birkholz, Olga"]
[Black "Heimerl, Detlev"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2018"]
[BlackElo "1940"]
[PlyCount "151"]
[EventDate "2021.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. d4 g6 4. Be2 Bg7 5. Be3 c6 6. h4 h5 7. Nh3 Bxh3 8. Rxh3 Nbd7 9. f4 Qa5 10. Kf1 e5 11. Rg3 Bh6 12. fxe5 dxe5 13. Bxh6 Rxh6 14. Qd2 Rh8 15. dxe5 Qxe5 16. Qg5 Qxg5 17. Rxg5 0-0-0 18. Rd1 Rhe8 19. Bd3 Ng4 20. Ke2 Nde5 21. Rf1 f6 22. Rxg4 Nxg4 23. Bc4 Re7 24. a4 f5 25. Bd3 Rde8 26. Rf4 Nf6 27. Kf3 Ng4 28. g3 fxe4+ 29. Nxe4 Kc7 30. Nf6 Ne5+ 31. Kg2 Rd8 32. Re4 Rf8 33. Nh7 Rxh7 34. Rxe5 Rf6 35. Rg5 Rg7 36. b3 Kd6 37. g4 Rf4 38. gxh5 Rxh4 39. hxg6 Rf4 40. Kg3 Rd4 41. Kf3 Ke6 42. Ke3 Rh4 43. Rg3 Kf6 44. Rf3+ Ke7 45. Kf2 Rh8 46. Ke3 Rd8 47. Be4 Rd6 48. Rg3 Rg8 49. Bd3 Rf6 50. Rg5 Rd6 51. Rg3 b6 52. Rh3 Rg7 53. Rg3 Rf6 54. Rh3 Kd6 55. Rh5 Re7+ 56. Kd2 Rf2+ 57. Kc3 Rg2 58. b4 Rg3 59. Kd2 a6 60. Rh6 Rg7 61. Rh7 Rxh7 62. gxh7 Rh3 63. b5 cxb5 64. axb5 a5 65. Kc3 Ke5 66. Kb2 Kd4 67. Kb3 Rh5 68. Kb2 Rh4 69. Bg6 Kc4 70. Bd3+ Kb4 71. c3+ Ka4 72. c4 Rh2+ 73. Kc3 Rh5 74. Bc2+ Ka3 75. Bg6 Rh3+ 76. Bd3 1/2-1/2

