[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.26"]
[Round "9.20"]
[White "Raitza, Olaf"]
[Black "Snape, Ian L"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2037"]
[BlackElo "2062"]
[PlyCount "126"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Berlin 65"]
[BlackTeam "England 65 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "ENG"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 exd4 6. Qxd4 c6 7. Be3 d5 8. e5 Ng4 9. Bg1 h5 10. 0-0-0 Nh6 11. g3 Nc5 12. Nh4 Nf5 13. Nxf5 Bxf5 14. Bg2 Qa5 15. Kb1 Ne6 16. Qd2 Bb4 17. a3 Bxc3 18. Qxc3 Qxc3 19. bxc3 h4 20. Be3 b6 21. Bf3 Nc5 22. Bxc5 bxc5 23. g4 Bd7 24. Rde1 g6 25. Rhf1 0-0-0 26. h3 Rde8 27. Bd1 Re7 28. Kc1 c4 29. Kd2 Kc7 30. Bf3 Rf8 31. Bg2 f6 32. exf6 Rxe1 33. Rxe1 Rxf6 34. Rf1 Kd6 35. Ke3 c5 36. Rf2 Bc6 37. Kd2 d4 38. Bxc6 Kxc6 39. g5 Rf5 40. Ke2 Kd5 41. Kf3 Rf8 42. Re2 d3 43. Rd2 Rb8 44. cxd3 Rb3 45. dxc4+ Kxc4 46. Kg4 Rb6 47. Rd7 Kxc3 48. Rxa7 c4 49. Rc7 Kd3 50. f5 c3 51. fxg6 Rxg6 52. Kxh4 c2 53. Kh5 Rg7 54. Rc5 Rh7+ 55. Kg4 Rd7 56. Rxc2 Kxc2 57. h4 Kd3 58. Kf5 Rd5+ 59. Ke6 Ke4 60. g6 Re5+ 61. Kf6 Rf5+ 62. Ke7 Re5+ 63. Kd7 Rd5+ 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.25"]
[Round "8.40"]
[White "Raitza, Olaf"]
[Black "Papay, Jindrich"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "2037"]
[BlackElo "1937"]
[PlyCount "39"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Berlin 65"]
[BlackTeam "Polabi 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "CZE"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 Nc6 6. d5 Ne5 7. Nc3 a6 8. exf5 Bxf5 9. Be3 Qg6 10. Qd4 Nd7 11. 0-0-0 Be7 12. Re1 Bf6 13. Qd2 0-0-0 14. f3 h5 15. Rg1 Qf7 16. g4 hxg4 17. fxg4 Bg6 18. g5 Bxc3 19. Qxc3 Rxh2 20. Nxd6+ 1-0

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.24"]
[Round "7.20"]
[White "Cocozza, Mario"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2154"]
[BlackElo "2037"]
[PlyCount "48"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Italy 65"]
[BlackTeam "Berlin 65"]
[WhiteTeamCountry "ITA"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 d6 8. a4 Bb7 9. Nc3 b4 10. Ne2 d5 11. exd5 Nxd5 12. Ng3 0-0 13. Ng5 Nd4 14. Bc4 Be7 15. N5e4 f5 16. f3 Kh8 17. Nf2 Bc5 18. Re1 Qd6 19. Nf1 Nf4 20. Bxf4 exf4 21. Nd2 Rae8 22. Rxe8 Rxe8 23. Kf1 Qe7 24. c3 Nc2 0-1

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.23"]
[Round "6.40"]
[White "Slechta, Karel"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "C80"]
[WhiteElo "1874"]
[BlackElo "2037"]
[PlyCount "64"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Vysehrad Sokol 65"]
[BlackTeam "Berlin 65"]
[WhiteTeamCountry "CZE"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 d5 7. Nxe5 Bd7 8. Bxc6 bxc6 9. Nxd7 Qxd7 10. f3 Nf6 11. Re1+ Be7 12. Qe2 Kf8 13. Bg5 h6 14. Bh4 g5 15. Bg3 Nh5 16. Nc3 Nxg3 17. hxg3 Bd6 18. Kf2 Qf5 19. Rad1 h5 20. Qd3 Qf6 21. Rh1 h4 22. Ne2 Kg7 23. c3 a5 24. b3 Rae8 25. g4 Re6 26. c4 Rhe8 27. Rd2 Qe7 28. c5 Re3 29. Qc2 Bf4 30. Nxf4 gxf4 31. Qd1 h3 32. gxh3 Qh4+ 0-1

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.21"]
[Round "5.40"]
[White "Raitza, Olaf"]
[Black "Erismann, Peter"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2037"]
[BlackElo "2013"]
[PlyCount "72"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Berlin 65"]
[BlackTeam "Riehen 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SUI"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 exd5 10. Bd3 0-0 11. 0-0 d4 12. Ne4 Bf5 13. Bg5 Bxe4 14. Bxe4 h6 15. Bxf6 Qxf6 16. Re1 Rfe8 17. Qd2 Rac8 18. Rad1 Qg5 19. Qxg5 hxg5 20. Kf1 Kf8 21. Bxc6 Rxc6 22. Rxe8+ Kxe8 23. Rd2 Ke7 24. Ke2 Ke6 25. Kd3 Kd5 26. Re2 Re6 27. Rxe6 fxe6 28. f3 b5 29. b4 Ke5 30. g3 Kd5 31. c3 dxc3 32. Kxc3 Ke5 33. h3 Kd5 34. Kd3 Ke5 35. Ke3 Kd5 36. Kd3 Ke5 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.20"]
[Round "4.40"]
[White "Blokhin, Alexey"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "1829"]
[BlackElo "2037"]
[PlyCount "100"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Kazakhstan 65"]
[BlackTeam "Berlin 65"]
[WhiteTeamCountry "KAZ"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nc3 Be7 7. Nf3 0-0 8. Be2 Be6 9. d5 Bf5 10. 0-0 Bf6 11. Nd4 Bxd4 12. Qxd4 N8d7 13. b3 Qf6 14. Qxf6 Nxf6 15. Nb5 a6 16. Nd4 Bd7 17. h3 Rae8 18. Bd3 h6 19. Bd2 Re7 20. Rfe1 Rfe8 21. Rxe7 Rxe7 22. Re1 Nc8 23. Rxe7 Nxe7 24. Ba5 b6 25. Bd2 Bc8 26. f4 h5 27. Kf2 g6 28. Ke3 Bf5 29. Be2 Bb1 30. a3 Nf5+ 31. Nxf5 Bxf5 32. Bc3 Nd7 33. g4 hxg4 34. hxg4 Bc2 35. b4 f5 36. g5 Be4 37. Kd4 Kf7 38. Bd2 Ke7 39. Be3 Kf7 40. Bd1 Ke7 41. Ba4 Bf3 42. Bd2 Be2 43. Bc6 Nb8 44. Bb7 Kd7 45. a4 Bf3 46. c5 b5 47. axb5 axb5 48. Ke3 Be4 49. c6+ Kd8 50. Kd4 Bg2 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.19"]
[Round "3.24"]
[White "Raitza, Olaf"]
[Black "Koehler, Gerhard"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2037"]
[BlackElo "2215"]
[PlyCount "44"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Berlin 65"]
[BlackTeam "Lasker Schachstiftung 65"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 Be6 9. f4 b5 10. f5 Bd7 11. Be3 Bc6 12. Bf3 Nbd7 13. Qe1 0-0 14. Rd1 Rc8 15. a3 Ba8 16. g4 h6 17. Qf2 Rxc3 18. bxc3 Nxe4 19. Bxe4 Bxe4 20. Qd2 Ba8 21. h4 Nf6 22. Qe2 Ne4 0-1

[Event "WchT Seniors 65"]
[Site "Prague"]
[Date "2025.02.18"]
[Round "2.44"]
[White "Malienko, Alexander"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1911"]
[BlackElo "2037"]
[PlyCount "97"]
[EventDate "2025.02.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CB09_2025"]
[SourceDate "2025.02.27"]
[SourceVersion "1"]
[SourceVersionDate "2025.02.27"]
[SourceQuality "1"]
[WhiteTeam "Ukraine 65"]
[BlackTeam "Berlin 65"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. Nxd5 Nxe5 5. Ne3 c5 6. b3 Nbc6 7. Bb2 Ng6 8. Nf3 e5 9. Bb5 Bd6 10. Bxc6+ bxc6 11. d3 0-0 12. Qd2 Be6 13. 0-0-0 f6 14. h4 Nf4 15. h5 Bc7 16. Nh4 Ba5 17. c3 Qd7 18. g3 Nxh5 19. Ba3 Bb6 20. Qe2 g6 21. d4 exd4 22. cxd4 cxd4 23. Bxf8 Rxf8 24. Nc4 Bg4 25. Nxb6 axb6 26. Qc4+ Be6 27. Qxd4 Qxd4 28. Rxd4 Bd5 29. Rg1 Ng7 30. Ng2 Nf5 31. Rd2 Re8 32. g4 Ng7 33. Ne3 Be4 34. Nc4 Rb8 35. Rgd1 Bd5 36. Ne3 Bf3 37. Rd8+ Rxd8 38. Rxd8+ Kf7 39. Rd7+ Kf8 40. a4 h5 41. gxh5 gxh5 42. b4 f5 43. Kd2 f4 44. Nf1 Nf5 45. a5 bxa5 46. bxa5 Ke8 47. Rd3 Be4 48. a6 c5 49. Rb3 1-0

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2024.04.28"]
[Round "9.3"]
[White "Raitza, Olaf"]
[Black "Rabiega, Robert"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2042"]
[BlackElo "2466"]
[PlyCount "112"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Oberschoeneweide"]
[BlackTeam "Koenig Tegel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Qf6 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Nc3 0-0-0 10. Be3 Bb4 11. Nde2 Ne7 12. a3 Bxc3 13. Nxc3 f5 14. Rfe1 Rde8 15. f3 Rhf8 16. Bc5 f4 17. Rad1 b6 18. Bxe7 Rxe7 19. b4 g5 20. h3 Re5 21. Kf2 h5 22. Rh1 Be6 23. Rd2 a5 24. Nd1 axb4 25. axb4 Rb5 26. c3 c5 27. bxc5 Rxc5 28. Rd3 Kb7 29. Nb2 Ra8 30. Rhd1 g4 31. hxg4 hxg4 32. fxg4 Bxg4 33. R1d2 Re8 34. Rd4 Rxc3 35. e5 Rxe5 36. Rxf4 Rf5 37. Rxf5 Bxf5 38. Nd1 Rc2 39. Rxc2 Bxc2 40. Nc3 c5 41. g4 Kc6 42. Ke3 b5 43. g5 b4 44. Kd2 Bf5 45. Ne2 Kd6 46. Kc1 Ke5 47. Kb2 c4 48. Nc1 Kd4 49. Ne2+ Kd3 50. Nc1+ Kd2 51. Nb3+ Kd1 52. Nd4 Be4 53. Nb5 Kd2 54. Nd4 Bd5 55. g6 c3+ 56. Kb1 b3 0-1

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2024.04.14"]
[Round "8.4"]
[White "Raitza, Olaf"]
[Black "Thinius, Marco"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2042"]
[BlackElo "2361"]
[PlyCount "55"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Oberschoeneweide"]
[BlackTeam "Berlin Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 Nf6 7. Nf3 g6 8. Nbd2 Bf5 9. Nb3 Bxd3 10. Qxd3 e6 11. 0-0 h6 12. Re1 0-0-0 13. Ne5 Nxe5 14. dxe5 Nd7 15. Be3 Nxe5 16. Qd4 Bd6 17. Qxa7 Nc4 18. a4 e5 19. a5 Qb8 20. Qxb8+ Bxb8 21. a6 bxa6 22. Rxa6 Rd6 23. Ra8 Nxe3 24. fxe3 Rb6 25. Nc5 Rxb2 26. Rf1 Rb5 27. Na6 Kb7 28. Rxb8+ 1/2-1/2

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2024.03.17"]
[Round "7.4"]
[White "Raitza, Olaf"]
[Black "Matthes, Aaron"]
[Result "0-1"]
[ECO "B57"]
[WhiteElo "2052"]
[BlackElo "2197"]
[PlyCount "56"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Oberschoeneweide"]
[BlackTeam "Kreuzberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 Qb6 7. Nb3 e6 8. Be3 Qc7 9. 0-0 a6 10. a4 Be7 11. a5 Ne5 12. Be2 Nc4 13. Bxc4 Qxc4 14. Ra4 Qc7 15. Bb6 Qb8 16. Rc4 Bd7 17. Bc7 Qc8 18. Qd3 d5 19. exd5 exd5 20. Nxd5 Nxd5 21. Be5 Bc6 22. Bxg7 Rg8 23. Qxh7 Nf6 24. Qh6 Qe6 25. Rf4 Nd5 26. Qh7 Rxg7 27. Qxg7 Nxf4 28. Nd4 Ne2+ 0-1

[Event "Bad Woerishofen op-A"]
[Site "Bad Woerishofen"]
[Date "2024.03.10"]
[Round "3"]
[White "Raitza, Olaf"]
[Black "Ivanov, Mike"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2052"]
[BlackElo "2374"]
[PlyCount "44"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 e5 6. Nf3 Bg4 7. Be3 Bb4 8. dxe5 Nc6 9. Qc2 Bxf3 10. gxf3 Nxe5 11. Qe4 Qe7 12. c5 Bxc3+ 13. bxc3 f5 14. Qxb7 0-0 15. cxb6 f4 16. Qd5+ Kh8 17. Be2 fxe3 18. 0-0 exf2+ 19. Rxf2 axb6 20. f4 Ng6 21. Qc4 Nxf4 22. Rxf4 Qe3+ 0-1

[Event "Bad Woerishofen op-A"]
[Site "Bad Woerishofen"]
[Date "2024.03.08"]
[Round "1"]
[White "Raitza, Olaf"]
[Black "Kunin, Vitaly L"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "2052"]
[BlackElo "2521"]
[PlyCount "128"]
[EventDate "2024.03.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 e5 10. Bd3 d6 11. 0-0 0-0 12. Qd2 Be6 13. Nd5 Rc8 14. Rac1 Re8 15. Rc3 b6 16. Bg5 f6 17. Bh6 g5 18. Bxg7 Kxg7 19. Ne3 Qd7 20. Rfc1 h5 21. Nc2 Nc6 22. b4 h4 23. Be2 Red8 24. Rd1 Qf7 25. Qe3 Ne7 26. Na3 Qf8 27. Nb5 Nc6 28. c5 dxc5 29. bxc5 Rxd1+ 30. Bxd1 Rd8 31. Be2 Rb8 32. cxb6 Rxb6 33. Nxa7 Rb1+ 34. Bf1 Nd4 35. Nc6 Qd6 36. Qd3 Bxa2 37. Nxd4 Qxd4 38. Rc7+ Kg6 39. Qa6 Rb2 40. Qa7 Qxa7 41. Rxa7 g4 42. h3 gxh3 43. gxh3 Be6 44. Ra1 Kg5 45. Bg2 Ba2 46. Rc1 Bf7 47. Rc7 Rb1+ 48. Kh2 Bg6 49. Rg7 Kh6 50. Rg8 Rb4 51. f3 Rb1 52. Rf8 Kg7 53. Rc8 Bh5 54. Rd8 Rb3 55. Rc8 Bxf3 56. Bxf3 Rxf3 57. Rc2 Rf4 58. Re2 Kf7 59. Kg2 Ke6 60. Re3 Kd6 61. Re2 Kc5 62. Re3 Kd4 63. Re2 Rxe4 64. Rf2 Rf4 0-1

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2024.02.25"]
[Round "6.4"]
[White "Ahlander, Bjorn"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2370"]
[BlackElo "2048"]
[PlyCount "63"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Berlin SF II"]
[BlackTeam "Oberschoeneweide"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. g3 0-0 6. Bg2 c5 7. dxc5 Bxc5 8. 0-0 Nc6 9. a3 a5 10. cxd5 Nxd5 11. e4 Nf6 12. e5 Ng4 13. Ne4 Qb6 14. Bf4 Rd8 15. Qc2 Be7 16. h3 Nh6 17. Bxh6 gxh6 18. Qc1 Nd4 19. Qxh6 Nf5 20. Nf6+ Bxf6 21. Qxf6 Bd7 22. g4 Ng3 23. Rfe1 Bb5 24. Ng5 Rd7 25. Bf3 Rc8 26. Rac1 Rxc1 27. Rxc1 Bc6 28. Kg2 Ne2 29. Rxc6 bxc6 30. Bxe2 Qb3 31. Bf3 Qxb2 32. Bxc6 1-0

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2024.02.04"]
[Round "5.3"]
[White "Jagodzinski, Piotr"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2156"]
[BlackElo "2048"]
[PlyCount "79"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Forst"]
[BlackTeam "Oberschoeneweide"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 Bf5 4. e3 e6 5. Be2 h6 6. Ne5 Nbd7 7. Nxd7 Qxd7 8. d3 Be7 9. Nd2 0-0 10. g4 Bh7 11. h4 Ne8 12. Nf3 Bb4+ 13. Kf1 f6 14. g5 Bf5 15. gxh6 gxh6 16. Nd4 Nd6 17. Bh5 Kh7 18. Nxf5 Nxf5 19. Qg4 d4 20. Bg6+ Kh8 21. Bxf5 exf5 22. Qg6 Bc3 23. Bxc3 dxc3 24. Qxh6+ Qh7 25. Qxh7+ Kxh7 26. Ke2 c5 27. Kf3 Rad8 28. Kf4 Rd5 29. a4 b6 30. Rhg1 Rg8 31. Rxg8 Kxg8 32. a5 b5 33. a6 c4 34. bxc4 bxc4 35. d4 Rb5 36. Ra4 Rb2 37. Rxc4 Rxc2 38. f3 Rc1 39. Kxf5 c2 40. Kxf6 1-0

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2024.01.14"]
[Round "4.3"]
[White "Raitza, Olaf"]
[Black "Zhou, Lepu Coco"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2040"]
[BlackElo "1978"]
[PlyCount "73"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Oberschoeneweide"]
[BlackTeam "Berlin Weisse Dame"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. e5 c5 5. c3 Nc6 6. Ndf3 Bd7 7. Bd3 Nh6 8. Bxh6 gxh6 9. Ne2 cxd4 10. Nexd4 f6 11. 0-0 Qb6 12. Nxc6 bxc6 13. exf6 Bxf6 14. Ne5 Bxe5 15. Qh5+ Ke7 16. Qxe5 Rag8 17. Rae1 Qxb2 18. Bf5 Qb8 19. Qd4 Rg5 20. Bh3 Rhg8 21. Qh4 Kf7 22. f4 R5g7 23. f5 e5 24. Qh5+ Kf8 25. Qxh6 Ke8 26. f6 Rf7 27. Bxd7+ Kxd7 28. Qh5 Rg6 29. Qf5+ Kd8 30. Qe6 Qb2 31. g3 Qxc3 32. Qxf7 Rxg3+ 33. Kh1 Rh3 34. Qe7+ Kc8 35. Qe6+ Kd8 36. Qxh3 Qxh3 37. f7 1-0

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2023.12.03"]
[Round "3.3"]
[White "Schoene, Ralf"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "E26"]
[WhiteElo "2238"]
[BlackElo "2035"]
[PlyCount "118"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Potsdam Empor"]
[BlackTeam "Oberschoeneweide"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Nf3 Nc6 8. Bd3 d6 9. e4 e5 10. d5 Na5 11. Nd2 0-0 12. 0-0 g6 13. Re1 Nh5 14. g3 Ba6 15. Qe2 Qd7 16. a4 Rae8 17. Nf1 Qh3 18. Ne3 f5 19. exf5 gxf5 20. Qc2 Ng7 21. Bf1 Qh5 22. Ng2 Bxc4 23. Bxc4 Nxc4 24. Qd3 Na5 25. c4 Qg4 26. f4 Nh5 27. Qc3 Nf6 28. Bb2 Ne4 29. Qd3 Qh3 30. fxe5 dxe5 31. d6 Qh6 32. Rad1 Qe6 33. Ne3 Rd8 34. Qd5 Qxd5 35. Rxd5 Rxd6 36. Bxe5 Rxd5 37. cxd5 Nd2 38. Kg2 Nac4 39. Nxc4 Nxc4 40. Bf4 Rd8 41. Re7 a5 42. Kh3 Rxd5 43. Kh4 Nd2 44. Rb7 c4 45. Rxb6 c3 46. Rc6 Ne4 47. Be3 Rd6 48. Rc7 Rd3 49. Bh6 Rd6 50. Be3 Rd3 51. Bh6 Rd4 52. Rg7+ Kh8 53. Rc7 Nd6+ 54. Bf4 Rc4 55. Rxc4 Nxc4 56. Kg5 c2 57. Kxf5 Kg8 58. Ke4 Nb2 59. Kd4 Nxa4 1/2-1/2

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2023.11.19"]
[Round "2.4"]
[White "Kiel, Bernd"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1991"]
[BlackElo "2047"]
[PlyCount "99"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Guestrow/Teterow"]
[BlackTeam "Oberschoeneweide"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 Nxc3 7. dxc3 Nc6 8. Qh5 Bxc5 9. Nf3 h6 10. Bg5 Be7 11. Bxe7 Qxe7 12. 0-0 g6 13. Qg4 d5 14. Bd3 Bd7 15. Rfe1 0-0-0 16. a4 Rdg8 17. h4 g5 18. h5 Re8 19. Nd4 Nxd4 20. cxd4 Qb4 21. Rec1 Kb8 22. a5 Rhf8 23. Bf1 Rc8 24. Rc5 b6 25. Rcc1 c5 26. axb6 axb6 27. Qe2 b5 28. dxc5 Rxc5 29. Rxc5 Qxc5 30. Qd2 b4 31. Qd3 Bc6 32. Qh7 g4 33. g3 d4 34. Qxh6 Rc8 35. Bg2 Bxg2 36. Kxg2 Qxe5 37. Qd2 Qd6 38. Qd3 Qc6+ 39. Kg1 Rh8 40. Qxd4 Rxh5 41. Qd8+ Kb7 42. Qa8+ Kc7 43. Ra7+ Kd6 44. Qd8+ Ke5 45. Ra5+ Ke4 46. Rxh5 Qc1+ 47. Kg2 Qxb2 48. Qa8+ Kd3 49. Qa6+ Kd2 50. Qd6+ 1-0

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2023.10.22"]
[Round "1.4"]
[White "Raitza, Olaf"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "2057"]
[BlackElo "2138"]
[PlyCount "80"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Oberschoeneweide"]
[BlackTeam "Berlin Mattnetz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. d4 exd4 6. Nxd4 Bg7 7. Be3 Nge7 8. Nc3 b5 9. Bb3 Na5 10. Qf3 0-0 11. Nde2 Nec6 12. 0-0 Ne5 13. Qg3 Nec4 14. Bg5 f6 15. Bf4 d6 16. Rad1 Bb7 17. Bxc4+ Nxc4 18. b3 Nb6 19. Be3 Nc8 20. Nd4 Re8 21. Qg4 c5 22. Nde2 Qe7 23. Bxc5 f5 24. exf5 dxc5 25. f6 Qxf6 26. Qd7 Qc6 27. Qxc6 Bxc6 28. Rfe1 b4 29. Na4 Bxa4 30. bxa4 Nb6 31. Nf4 Bc3 32. Re3 Rad8 33. Rxd8 Rxd8 34. g3 Bd2 35. Re6 Bxf4 36. Rxb6 Be5 37. Rxa6 Rd2 38. Rc6 Rxc2 39. a5 Bd4 40. a6 Rxf2 0-1

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2023.05.07"]
[Round "9.3"]
[White "Zentgraf, Robert"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2171"]
[BlackElo "2150"]
[PlyCount "11"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Torgelow Droegeheide"]
[BlackTeam "Oberschoeneweide"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nc3 1/2-1/2

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2023.04.23"]
[Round "8.3"]
[White "Raitza, Olaf"]
[Black "Schoene, Ralf"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2150"]
[BlackElo "2233"]
[PlyCount "145"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Oberschoeneweide"]
[BlackTeam "Potsdam Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c3 g6 6. 0-0 Bg7 7. Re1 0-0 8. d4 Nd7 9. Bg5 f6 10. Be3 Kh8 11. Bxc6 bxc6 12. dxe5 fxe5 13. Nbd2 Nf6 14. Qa4 Bd7 15. Rad1 Ng4 16. h3 Nxe3 17. Rxe3 Qe7 18. Qa3 h5 19. c4 c5 20. Rb3 a5 21. Rd3 g5 22. Nh2 g4 23. hxg4 hxg4 24. g3 Bh6 25. Qc3 Qg7 26. Ndf1 Rf6 27. Ne3 Bxe3 28. Rxe3 Rh6 29. f4 gxf3 30. Rxf3 Qh7 31. Qc2 Bg4 32. Rdf1 Bxf3 33. Rxf3 Rg8 34. Qe2 Rh4 35. Re3 Qh6 36. Nf1 Rh1+ 37. Kf2 Qh3 38. Rf3 Rg4 39. Ke3 Rg7 40. Kd3 Rxf1 41. Qxf1 Qxf1+ 42. Rxf1 Rxg3+ 43. Kd2 Kg7 44. Rf2 Kg6 45. a4 Rb3 46. Rg2+ Kf6 47. Kc2 Re3 48. Rg4 Rf3 49. Rg8 Rf2+ 50. Kc3 Re2 51. Rg4 Kf7 52. b3 Rf2 53. Rh4 Rg2 54. Rh8 Rg3+ 55. Kc2 Rg8 56. Rh7+ Rg7 57. Rh6 Kf8 58. Re6 Rg2+ 59. Kd3 Rg3+ 60. Kc2 Kf7 61. Rh6 Re3 62. Rh7+ Kf6 63. Rxc7 Rxe4 64. Kd3 Rh4 65. Rb7 Ke6 66. Ke3 Rg4 67. Rb8 Rg7 68. Re8+ Kd7 69. Rb8 Rg4 70. Rb5 Ke6 71. Rb8 Rh4 72. Rb7 Kf6 73. Rb8 1/2-1/2

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2023.04.08"]
[Round "1"]
[White "Glek, Igor Vladimirovich"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2443"]
[BlackElo "2143"]
[PlyCount "39"]
[EventDate "2023.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 Nc6 7. d5 Ne5 8. f4 Bg4 9. Qc2 Ng6 10. Bd3 Bd7 11. Nf3 Rc8 12. b3 a6 13. h4 e6 14. dxe6 Bxe6 15. f5 Bxc4 16. fxg6 Bxd3 17. gxf7+ Kxf7 18. Qxd3 Qf6 19. Bd2 d5 20. 0-0 1-0

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2023.02.26"]
[Round "6.4"]
[White "Woll, Wilfried"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "2008"]
[BlackElo "2150"]
[PlyCount "80"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Greifswald"]
[BlackTeam "Oberschoeneweide"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. e3 Be7 7. Nge2 c6 8. f4 N8d7 9. 0-0 0-0 10. f5 Nf6 11. d4 exd4 12. Nxd4 Bc5 13. g4 Nbd5 14. Na4 Bxd4 15. exd4 Re8 16. g5 Ne4 17. Bxe4 Rxe4 18. Nc5 Rh4 19. Nb3 Qd6 20. Qe2 Bd7 21. Qe5 Rg4+ 22. Kh1 Qxe5 23. dxe5 Re8 24. Nc5 Bc8 25. Bd2 b6 26. h3 Rh4 27. Nb3 Rxe5 28. Rae1 Ree4 29. Nd4 Bd7 30. b4 Rxd4 31. Re5 Rxd2 32. f6 Be6 33. a3 Rd3 34. Rc1 Rhxh3+ 35. Kg1 gxf6 36. gxf6 Nxf6 37. Rxc6 Rxa3 38. Rg5+ Kf8 39. Rc7 Ra1+ 40. Kg2 Bd5+ 0-1

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.02.01"]
[Round "9"]
[White "Jandke, Manfred"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2061"]
[BlackElo "2150"]
[PlyCount "52"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 d4 5. b4 Bxb4 6. Qa4+ Nc6 7. Ne5 Rb8 8. Nxc6 bxc6 9. Bxc6+ Bd7 10. 0-0 0-0 11. d3 Rb6 12. Bxd7 Nxd7 13. Nd2 Nc5 14. Qc2 Qd7 15. Nf3 Bc3 16. Rb1 Rfb8 17. Ba3 Qa4 18. Rxb6 Rxb6 19. Qc1 Nd7 20. e3 e5 21. c5 Ra6 22. Bb2 Qc6 23. exd4 exd4 24. Nxd4 Bxd4 25. Bxd4 Rxa2 26. Qg5 f6 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.31"]
[Round "8"]
[White "Raitza, Olaf"]
[Black "Geyler, Stefan"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2150"]
[BlackElo "1933"]
[PlyCount "45"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. 0-0 0-0 10. f4 exf4 11. Bxf4 Nc6 12. Nd5 Nxe4 13. Nxe7+ Qxe7 14. Bf3 d5 15. Bxe4 dxe4 16. Bd6 Qg5 17. Bxf8 Rxf8 18. Qe2 f5 19. Rae1 f4 20. h4 Qg3 21. Qxe4 Bg4 22. Qc4+ Kh8 23. Qxf4 1-0

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.30"]
[Round "7"]
[White "Schellknecht, Joerg"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1903"]
[BlackElo "2150"]
[PlyCount "77"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 e5 2. e3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Bc4 Nb6 6. Bb3 Nc6 7. Nge2 Bf5 8. d4 exd4 9. exd4 Bd6 10. 0-0 0-0 11. Be3 Qh4 12. g3 Qf6 13. Nd5 Nxd5 14. Bxd5 Nb4 15. Bg2 Nc2 16. Rc1 Nxe3 17. fxe3 Qe6 18. Qd2 Rfe8 19. Nc3 Bg6 20. Rce1 c6 21. a3 Rad8 22. Kh1 Qc4 23. Bf3 Bc7 24. Rc1 Qd3 25. Qxd3 Bxd3 26. Rfe1 Rd7 27. Kg2 Bd8 28. Rcd1 Bc2 29. Rd2 Bb3 30. Bd1 Bxd1 31. Rdxd1 Bb6 32. Na4 f5 33. Nxb6 axb6 34. Kf3 Re4 35. Rd3 Kf7 36. Red1 Ke6 37. a4 Kd5 38. Rb3 Ree7 39. Rdd3 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.29"]
[Round "6"]
[White "Raitza, Olaf"]
[Black "Costello, Colin"]
[Result "1-0"]
[ECO "C80"]
[WhiteElo "2150"]
[BlackElo "1857"]
[PlyCount "63"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. Re1 Nc5 7. Bxc6 dxc6 8. d4 Ne6 9. Nxe5 Be7 10. Be3 0-0 11. Nc3 Bb4 12. Qd3 Re8 13. Rad1 Nf8 14. Qc4 Bxc3 15. Qxf7+ Kh8 16. Bg5 Be6 17. Bxd8 Raxd8 18. bxc3 Bxf7 19. Nxf7+ Kg8 20. Nxd8 Rxd8 21. Re7 Nd7 22. Rde1 Kf8 23. f3 b6 24. Kf2 a5 25. g4 h5 26. R7e6 c5 27. Rc6 cxd4 28. Rxc7 dxc3 29. Rd1 Ke7 30. Rxc3 Ke6 31. Rc6+ Ke7 32. Rcd6 1-0

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.28"]
[Round "5"]
[White "Krueger, Ekkehard"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "E30"]
[WhiteElo "1871"]
[BlackElo "2150"]
[PlyCount "65"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Bg5 Qa5 7. Bd2 d6 8. Nf3 Nc6 9. e3 e5 10. h3 e4 11. Nh2 h5 12. Qb3 Qc7 13. f4 exf3 14. Nxf3 Ne4 15. Bd3 f5 16. Qc2 Qe7 17. Rf1 Ng3 18. Rf2 0-0 19. 0-0-0 Bd7 20. h4 Ne4 21. Rff1 Na5 22. Rde1 Rac8 23. d5 g6 24. Ng5 Nxg5 25. hxg5 Qxg5 26. e4 Qf6 27. exf5 gxf5 28. Rf4 Rce8 29. Rh1 Re7 30. Rxh5 Rg7 31. Rf2 Qg6 32. Rg5 Qh7 33. Rxg7+ 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.27"]
[Round "4"]
[White "Raitza, Olaf"]
[Black "Schraepel, Manfred"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "2150"]
[BlackElo "1855"]
[PlyCount "118"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. a4 Be7 8. 0-0 0-0 9. Be3 Qc7 10. a5 Nc6 11. Nb3 Nb4 12. Bb6 Qb8 13. Ra4 Nc6 14. f4 Bd7 15. Qd3 Rc8 16. Rd1 Na7 17. Raa1 Nc6 18. Rac1 Nb4 19. Qd4 Nc6 20. Qe3 Nb4 21. Bf3 Be8 22. Rd2 e5 23. Rcd1 exf4 24. Qxf4 h6 25. Nd4 Nd7 26. Nf5 Bg5 27. Qg3 Nxb6 28. axb6 Bd7 29. Nxg7 d5 30. e5 Kf8 31. Nh5 Re8 32. h4 Be3+ 33. Kh1 Qxe5 34. Rxd5 Qxg3 35. Nxg3 Nxd5 36. Nxd5 Bc6 37. Nc7 Bxf3 38. gxf3 Rad8 39. Re1 Bxb6 40. Nxe8 Rxe8 41. Rxe8+ Kxe8 42. Nf5 Bd8 43. h5 Bg5 44. Nd6+ Ke7 45. Nxb7 Be3 46. Na5 Kf6 47. Kg2 Kg5 48. c4 Kxh5 49. Nb7 Kg6 50. c5 Kf6 51. c6 Ke7 52. Kg3 Bb6 53. Kg4 Ke6 54. c7 Bxc7 55. Nc5+ Kd5 56. Nxa6 Bd6 57. b4 Kc6 58. Kh5 Kb5 59. Nc5 Kxb4 1/2-1/2

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.26"]
[Round "3"]
[White "Koetz, Andreas"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1925"]
[BlackElo "2150"]
[PlyCount "71"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Be6 6. d3 Nc6 7. Nf3 Be7 8. 0-0 0-0 9. Ne1 Qd7 10. Nc2 Rad8 11. Ne3 Ncb4 12. a3 Nxc3 13. bxc3 Nd5 14. c4 Nxe3 15. Bxe3 c5 16. Qb3 b6 17. a4 f5 18. Rab1 f4 19. Bd2 f3 20. Bxf3 Rxf3 21. exf3 Qxd3 22. Qxd3 Rxd3 23. Be3 Bxc4 24. Rfd1 Kf7 25. a5 b5 26. Rbc1 Rxd1+ 27. Rxd1 Ke6 28. f4 e4 29. f5+ Kf6 30. Rd7 a6 31. Rc7 b4 32. Rc6+ Ke5 33. Rc7 Kd6 34. Bf4+ Kd5 35. Rxe7 b3 36. Be5 1-0

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.25"]
[Round "2"]
[White "Raitza, Olaf"]
[Black "Duijker, Bert"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2150"]
[BlackElo "1860"]
[PlyCount "67"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. a4 b6 6. Nf3 Bb7 7. Bd3 Nd7 8. Qd2 c5 9. d5 Rc8 10. Qe2 Ra8 11. 0-0 Ngf6 12. h3 0-0 13. Nd2 Ne5 14. f4 Nxd3 15. Qxd3 e6 16. Rad1 exd5 17. exd5 Re8 18. Bf2 Nh5 19. Qf3 f5 20. g4 fxg4 21. hxg4 Nf6 22. Bh4 Qd7 23. Bxf6 Bxf6 24. Nde4 Bg7 25. Ng5 b5 26. Nce4 Bxb2 27. c3 Rxe4 28. Nxe4 Rf8 29. Rf2 Ba3 30. axb5 axb5 31. g5 Kh8 32. Nf6 Qf7 33. Re2 c4 34. Rde1 1-0

[Event "Berlin-ch Seniors op 39th"]
[Site "Berlin"]
[Date "2023.01.24"]
[Round "1"]
[White "Klein, Peter1"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "1783"]
[BlackElo "2150"]
[PlyCount "82"]
[EventDate "2023.01.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. d4 e6 5. f4 c5 6. Nf3 Nc6 7. Ne2 cxd4 8. Nexd4 Bc5 9. Nb3 Bb6 10. c3 Nc5 11. Bd3 Qe7 12. Qe2 Bd7 13. Be3 a5 14. Nxc5 Bxc5 15. Qf2 b6 16. 0-0 Bxe3 17. Qxe3 Qc5 18. Nd4 g6 19. Kf2 Nxd4 20. Qxd4 Rc8 21. Qxc5 bxc5 22. Ke3 Bc6 23. g4 h5 24. h3 hxg4 25. hxg4 Rh3+ 26. Ke2 c4 27. Bc2 d4 28. cxd4 c3 29. Bd3 cxb2 30. Rab1 Rxd3 31. Kxd3 Bb5+ 32. Kd2 Bxf1 33. Rxf1 Rc4 34. Rb1 Rxd4+ 35. Ke3 Rb4 36. a3 Rb3+ 37. Ke4 Kd7 38. f5 gxf5+ 39. gxf5 Kc6 40. fxe6 fxe6 41. Kd4 Kb5 0-1

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2023.01.15"]
[Round "4.4"]
[White "Hoegy, Kevin"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "2237"]
[BlackElo "2150"]
[PlyCount "116"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Berlin Weisse Dame"]
[BlackTeam "Oberschoeneweide"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. c4 e6 3. e3 c5 4. Nc3 d5 5. cxd5 exd5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. 0-0 Qb6 9. b3 Rc8 10. Re1 Be7 11. d4 0-0 12. Na4 Qe6 13. dxc5 Nxc5 14. Nxc5 Bxc5 15. Bb2 Bb4 16. Re2 Ne4 17. Rc1 Bc3 18. Rec2 Bxb2 19. Rxb2 Nc3 20. Qe1 Ne4 21. Rbc2 Rxc2 22. Rxc2 Rc8 23. Qc1 Rxc2 24. Qxc2 Qc6 25. Qxc6 bxc6 26. Ne5 c5 27. Kf1 Nc3 28. a4 f6 29. Nc6 c4 30. bxc4 dxc4 31. a5 Nb5 32. Nd4 Nd6 33. Ke2 Nb7 34. Nc6 Kf7 35. Kd2 Ke6 36. a6 Nc5 37. Kc3 Nxa6 38. Kxc4 Nc7 39. Nxa7 f5 40. Nb5 Ne8 41. Nd4+ Ke5 42. Nf3+ Kf6 43. Ne1 Nd6+ 44. Kd5 Ne4 45. f3 Nd2 46. e4 fxe4 47. fxe4 Nf1 48. Nf3 Ne3+ 49. Kd6 Nc4+ 50. Kd7 g5 51. h3 h5 52. Kc6 g4 53. hxg4 hxg4 54. Nh2 Ne3 55. Kd6 Nc4+ 56. Kd5 Ne3+ 57. Kd6 Nc4+ 58. Kd5 Ne3+ 1/2-1/2

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2022.12.11"]
[Round "3.4"]
[White "Urban, Julian"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2244"]
[BlackElo "2150"]
[PlyCount "91"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Berlin Empor"]
[BlackTeam "Oberschoeneweide"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. c4 d5 5. cxd5 Nxd5 6. a3 Be7 7. d3 Bf6 8. Nd2 0-0 9. Ngf3 Nb6 10. Qc2 Bf5 11. Ne4 Nd7 12. Be2 Re8 13. 0-0 Be7 14. Rac1 Bg6 15. Rfd1 f5 16. Ng3 Bd6 17. Qc4+ Bf7 18. Qc3 Qf6 19. Nd2 Ne7 20. Bf3 c6 21. Nc4 Bc7 22. e4 f4 23. Ne2 b5 24. Nd2 Bb6 25. Bg4 Rad8 26. Nf3 Nc5 27. Nxe5 Nxb3 28. Nxf7 Nxc1 29. Qxc1 Qxf7 30. Qc3 Ng6 31. Bf5 f3 32. gxf3 Ne5 33. f4 Nf3+ 34. Kh1 Nd4 35. Rg1 Re7 36. Ng3 Nf3 37. Qxc6 Nxg1 38. Kxg1 Bd4 39. Bxd4 Rxd4 40. Qxb5 g6 41. Bh3 Rb7 42. Qe5 Qg7 43. Qe8+ Qf8 44. Qe5 Qg7 45. Qe8+ Qf8 46. Qe5 1/2-1/2

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2022.11.27"]
[Round "2.4"]
[White "Raitza, Olaf"]
[Black "Noack, Thomas"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "2150"]
[BlackElo "1982"]
[PlyCount "52"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Oberschoeneweide"]
[BlackTeam "Frankfurt/O"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 d6 6. Nbd2 0-0 7. 0-0 Bb6 8. Nc4 Ne7 9. Nxb6 axb6 10. d4 Ng6 11. Re1 Qe7 12. Bd3 Bg4 13. h3 Bd7 14. c4 h6 15. Be3 Rfd8 16. Qc2 c5 17. dxc5 dxc5 18. b4 Ba4 19. Qb1 Bc6 20. b5 Be8 21. Bc2 Qe6 22. Qb3 Nh5 23. Qc3 f6 24. a4 Bf7 25. Nd2 Nhf4 26. Kh2 Qc8 0-1

[Event "Bayern-chI Bank Hofmann 25th"]
[Site "Tegernsee"]
[Date "2022.11.13"]
[Round "9"]
[White "Monninger, Moritz Franz"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2099"]
[BlackElo "2267"]
[PlyCount "57"]
[EventDate "2022.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Nf3 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 Nd7 10. 0-0-0 0-0 11. Bd3 h6 12. Qe3 g5 13. h4 g4 14. Ne5 Qg7 15. Nxg4 Qxg4 16. Rh3 f5 17. Rg3 Nf6 18. Qxh6 Qxg3 19. fxg3 Rf7 20. Be2 Bd7 21. g4 Nxg4 22. Bxg4 fxg4 23. Qg6+ Rg7 24. Qd3 Rf8 25. Rf1 Rf5 26. Qe2 g3 27. Rxf5 exf5 28. Qe5 Kh7 29. Kd2 1-0

[Event "Bayern-chI Bank Hofmann 25th"]
[Site "Tegernsee"]
[Date "2022.11.08"]
[Round "4"]
[White "Raitza, Olaf"]
[Black "Heigermoser, Robert"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2267"]
[BlackElo "2091"]
[PlyCount "60"]
[EventDate "2022.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Nf3 Bg4 7. Be3 Nf6 8. Nbd2 e6 9. h3 Bh5 10. 0-0 Bd6 11. Re1 Bg6 12. Qe2 Bxd3 13. Qxd3 h6 14. a3 0-0 15. Rac1 b5 16. Ne5 Nxe5 17. dxe5 Bxe5 18. Nf3 Bd6 19. Qxb5 Rab8 20. Qe2 e5 21. Red1 Rfe8 22. c4 d4 23. c5 Bf8 24. Bd2 d3 25. Qxd3 e4 26. Qd4 Rbd8 27. Qc4 exf3 28. b4 Re4 29. Qf1 fxg2 30. Qxg2 Red4 0-1

[Event "Bayern-chI Bank Hofmann 25th"]
[Site "Tegernsee"]
[Date "2022.11.07"]
[Round "3"]
[White "Schmidt, Gerhard1"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "2078"]
[BlackElo "2267"]
[PlyCount "64"]
[EventDate "2022.11.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. h3 Bh5 8. c4 Nb6 9. Nc3 0-0 10. Be3 Nc6 11. exd6 cxd6 12. d5 Bxf3 13. gxf3 Ne5 14. b3 Ng6 15. f4 Bf6 16. Rc1 Bxc3 17. Rxc3 exd5 18. f5 Qf6 19. Bd4 Qxf5 20. Rg3 dxc4 21. Qa1 f6 22. Bg4 Qd5 23. Rd1 Qf7 24. Bxb6 axb6 25. Rxd6 Rfe8 26. Rxb6 Ne5 27. bxc4 Nxc4 28. Rb4 Nd2 29. a4 Kh8 30. Re3 Rxe3 31. fxe3 Qc7 32. Qe1 Qc3 0-1

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2022.11.06"]
[Round "5.4"]
[White "Raitza, Olaf"]
[Black "Bruchmann, Stephan"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2150"]
[BlackElo "2202"]
[PlyCount "35"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Oberschoeneweide"]
[BlackTeam "Pankow Rotation"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 d5 4. exd5 Nf6 5. Nf3 0-0 6. Be3 Nbd7 7. Qd2 Nb6 8. Bh6 Bxh6 9. Qxh6 Nbxd5 10. Bd3 c6 11. 0-0 Nxc3 12. bxc3 Qa5 13. Rae1 Qxc3 14. Rxe7 Bg4 15. Ng5 Rae8 16. Nxh7 Nxh7 17. Bxg6 Nf6 18. Bxf7+ 1-0

[Event "EU-chT Seniors 50"]
[Site "Dresden"]
[Date "2022.11.03"]
[Round "8.2"]
[White "Raitza, Olaf"]
[Black "Frostick, Clive A"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2257"]
[BlackElo "2118"]
[PlyCount "130"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Berlin 50 II"]
[BlackTeam "England 50 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "ENG"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. 0-0 d5 8. e5 Nd7 9. Bf4 Qb6 10. Nd2 Qxb2 11. Nb3 Qa3 12. Qe2 Qa4 13. Bd2 Be7 14. f4 g6 15. Kh1 Nc5 16. f5 gxf5 17. Nxc5 Bxc5 18. Rf4 Qa3 19. g4 Rg8 20. gxf5 exf5 21. e6 Bxe6 22. Bxf5 Qb2 23. Re1 0-0-0 24. Bxe6+ fxe6 25. Qxe6+ Kb7 26. Rf7+ Kb6 27. Rf3 Rde8 28. Qxe8 Rxe8 29. Rb3+ Qxb3 30. axb3 Rxe1+ 31. Bxe1 Kb5 32. Kg2 Bd6 33. h3 Be5 34. Kf3 c5 35. Ke2 c4 36. Kd2 d4 37. Kc1 Bf4+ 38. Kd1 a5 39. Bh4 Be5 40. Be7 Bf4 41. Bf8 Bc7 42. Kd2 Bb6 43. Be7 Bc5 44. Bd8 Bb4+ 45. Kd1 Bc3 46. Be7 cxb3 47. cxb3 d3 48. Bf8 Kc6 49. Be7 Kd7 50. Bf8 Ke6 51. Kc1 Kf5 52. Be7 Ke4 53. Kd1 h5 54. Bd8 Kf3 55. h4 Ke4 56. Be7 Ke5 57. Bg5 Kf5 58. Bd8 Bf6 59. Bxa5 Bxh4 60. Bc7 Be7 61. Ke1 Bb4+ 62. Kf2 Kg4 63. Be5 h4 64. Bg7 d2 65. Ke2 Kg3 0-1

[Event "EU-chT Seniors 50"]
[Site "Dresden"]
[Date "2022.11.02"]
[Round "7.3"]
[White "Raitza, Olaf"]
[Black "Plachetka, Jan"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2257"]
[BlackElo "2306"]
[PlyCount "133"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Berlin 50 II"]
[BlackTeam "Slovakia 50"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SVK"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. cxd4 e6 6. Nc3 Nxc3 7. bxc3 Qc7 8. Bd2 b6 9. Bd3 Ba6 10. Qe2 Bxd3 11. Qxd3 Nc6 12. Nf3 Rc8 13. 0-0 d5 14. exd6 Bxd6 15. c4 Ne7 16. Rac1 0-0 17. Ng5 Ng6 18. g3 Rfd8 19. Qf3 h6 20. Ne4 Be7 21. Be3 f5 22. Qh5 Kh7 23. Nd2 f4 24. gxf4 Nxf4 25. Qf3 Rf8 26. Qe4+ Kh8 27. Kh1 Qc6 28. f3 Bd6 29. Rce1 b5 30. c5 Bb8 31. Rg1 Qd5 32. Bxf4 Bxf4 33. Nb3 Rf6 34. Qxd5 exd5 35. Re7 g5 36. Rge1 a5 37. R1e6 Rxe6 38. Rxe6 a4 39. Na5 b4 40. Rxh6+ Kg7 41. Rb6 Ra8 42. Nc6 b3 43. axb3 a3 44. Nb4 a2 45. Nxa2 Rxa2 46. b4 Rxh2+ 47. Kg1 Rb2 48. Kf1 Be3 49. c6 Bxd4 50. c7 Rc2 51. Rb7 Kf6 52. b5 Ke5 53. b6 Bxb6 54. Rxb6 Rxc7 55. Ke2 Ra7 56. Rg6 Ra2+ 57. Kd3 Ra3+ 58. Ke2 Kf4 59. Rf6+ Ke5 60. Rg6 Kd4 61. Rxg5 Re3+ 62. Kf2 Re8 63. f4 Ke4 64. Re5+ Rxe5 65. fxe5 Kxe5 66. Ke3 d4+ 67. Kd3 1/2-1/2

[Event "EU-chT Seniors 50"]
[Site "Dresden"]
[Date "2022.11.01"]
[Round "6.3"]
[White "Stahr, Ralf Peter"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2077"]
[BlackElo "2257"]
[PlyCount "65"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Deutsche Bahn 50"]
[BlackTeam "Berlin 50 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qb3 a5 6. a3 Bxc3 7. Qxc3 e4 8. Nd4 0-0 9. Nxc6 bxc6 10. b3 Qe7 11. Bb2 d6 12. Be2 Bd7 13. g4 Ne8 14. h4 f5 15. g5 f4 16. Bh5 fxe3 17. fxe3 a4 18. b4 Be6 19. Bxe8 Raxe8 20. 0-0-0 Rf2 21. Rdg1 Ref8 22. h5 R8f5 23. h6 Rxg5 24. hxg7 Rxg1+ 25. Rxg1 Qf7 26. Rd1 Bxc4 27. Qd4 Bd3 28. Qa7 Rf6 29. Bxf6 Qxf6 30. Qa8+ Kxg7 31. Rg1+ Kh6 32. Rh1+ Kg7 33. Rg1+ 1/2-1/2

[Event "EU-chT Seniors 50"]
[Site "Dresden"]
[Date "2022.10.31"]
[Round "5.2"]
[White "Maier, Christian"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2304"]
[BlackElo "2257"]
[PlyCount "95"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Germany 50"]
[BlackTeam "Berlin 50 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. cxd5 exd5 5. Nc3 c6 6. Qc2 Nbd7 7. Bf4 Nh5 8. Bg5 Be7 9. Bxe7 Qxe7 10. e3 g6 11. g4 Nhf6 12. Rg1 Nb6 13. h3 h5 14. g5 Ne4 15. Nxe4 Qxe4 16. Qxe4+ dxe4 17. Nd2 Bf5 18. Bg2 0-0-0 19. Nxe4 Bxe4 20. Bxe4 Rhe8 21. f3 Nc4 22. Ke2 Nxb2 23. Rgc1 Na4 24. d5 c5 25. Rab1 a6 26. Rb4 b5 27. Rxa4 bxa4 28. Rxc5+ Kb8 29. Ra5 Rd6 30. Kd3 Kc7 31. Rxa4 Rb6 32. Kd4 Kd6 33. f4 a5 34. Bd3 Rb4+ 35. Rxb4 axb4 36. e4 Rc8 37. e5+ Ke7 38. d6+ Kf8 39. f5 gxf5 40. Bxf5 Ra8 41. g6 Rxa2 42. gxf7 Kxf7 43. e6+ Kf6 44. e7 Ra8 45. Kc4 Rb8 46. Kb3 h4 47. Bg4 Kf7 48. Bd7 1-0

[Event "EU-chT Seniors 50"]
[Site "Dresden"]
[Date "2022.10.30"]
[Round "4.3"]
[White "Hutschenreiter, Joerg"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "E41"]
[WhiteElo "2037"]
[BlackElo "2257"]
[PlyCount "78"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Dresden Gruen Weiss 50"]
[BlackTeam "Berlin 50 II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. Nf3 Bxc3+ 7. bxc3 b6 8. 0-0 Nc6 9. Nd2 d6 10. f4 Qc7 11. g4 cxd4 12. cxd4 e5 13. g5 Ne8 14. fxe5 Qe7 15. Ne4 dxe5 16. d5 Nb4 17. Ba3 a5 18. Qh5 g6 19. Qh4 Qd7 20. Bb1 b5 21. c5 Qxd5 22. Nf6+ Nxf6 23. gxf6 Bb7 24. e4 Qd4+ 25. Kg2 h5 26. Rf5 Nd3 27. Bxd3 Qxd3 28. Re1 Qc2+ 29. Kh1 Rfd8 30. Rxe5 Rd1 31. Re7 Rxe1+ 32. Qxe1 Rd8 33. Rxb7 Rd1 34. Qxd1 Qxd1+ 35. Kg2 Qe2+ 36. Kg1 Qe3+ 37. Kf1 Qxa3 38. Rb8+ Kh7 39. Rc8 Qh3+ 0-1

[Event "EU-chT Seniors 50"]
[Site "Dresden"]
[Date "2022.10.29"]
[Round "3.3"]
[White "Raitza, Olaf"]
[Black "Thinius, Marco"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2257"]
[BlackElo "2348"]
[PlyCount "46"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Berlin 50 II"]
[BlackTeam "Berlin 50"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. Nd5 Nf6 9. Nxf6+ Qxf6 10. c3 Rd8 11. Bd3 d5 12. Qe2 Bxa3 13. bxa3 0-0 14. 0-0 dxe4 15. Bxe4 Bf5 16. Rb1 Rd7 17. Qf3 Bxe4 18. Qxe4 Qe6 19. Be3 Qxa2 20. Qf5 Rfd8 21. Bb6 g6 22. Qf6 Qxb1 23. Bxd8 Rd1 0-1

[Event "EU-chT Seniors 50"]
[Site "Dresden"]
[Date "2022.10.28"]
[Round "2.2"]
[White "Raitza, Olaf"]
[Black "Angskog, Kent"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2257"]
[BlackElo "2100"]
[PlyCount "67"]
[EventDate "2022.10.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Berlin 50 II"]
[BlackTeam "Sweden North 50"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SWE"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nd7 5. Nf3 a6 6. Qd2 e6 7. 0-0-0 h6 8. h3 Ne7 9. Be2 b5 10. d5 b4 11. Na4 exd5 12. Bd4 Nf6 13. exd5 Bd7 14. Qxb4 Nexd5 15. Qa5 0-0 16. Nc3 Nf4 17. Rhg1 Bc6 18. Ne1 Nxe2+ 19. Nxe2 Re8 20. Nc3 Qb8 21. f3 Qb7 22. Nd3 Rab8 23. Rge1 Bb5 24. Nxb5 axb5 25. Qd2 Kh7 26. Nf4 Ra8 27. Rxe8 Rxa2 28. Qe3 Nxe8 29. Qxe8 Ra1+ 30. Kd2 Rxd1+ 31. Kxd1 Bxd4 32. Qxf7+ Bg7 33. Ne6 Qd5+ 34. Kc1 1-0

[Event "Oberliga Nord O 2223"]
[Site "Germany"]
[Date "2022.10.23"]
[Round "1.4"]
[White "Eilenberg, Jonas"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "2260"]
[BlackElo "2150"]
[PlyCount "114"]
[EventDate "2022.10.23"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "König Tegel"]
[BlackTeam "Oberschoeneweide"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 0-0 8. e3 c6 9. Bd3 Nbd7 10. Nf3 Qa5 11. 0-0 Re8 12. Rac1 Bxc3 13. bxc3 Ne4 14. Nd2 Nxd2 15. Qxd2 Nf8 16. Qc2 b6 17. Qe2 Qa3 18. Rc2 a5 19. c4 Ba6 20. Rb1 Ne6 21. Qf1 c5 22. dxc5 Nxc5 23. Be2 Qa4 24. Rcc1 Re4 25. Bg3 Bxc4 26. Rxb6 Qxa2 27. Bxc4 Rxc4 28. Ra1 Qc2 29. Rd1 a4 30. Rxd5 a3 31. Rd1 a2 32. Be5 Nd3 33. Ba1 Nxf2 34. Rd7 Qc1 35. Rbb7 Qxf1+ 36. Kxf1 Rc1+ 37. Kxf2 Rxa1 38. Ra7 Rxa7 39. Rxa7 h5 40. Ra5 f6 41. h3 Kf7 42. Ra7+ Kg6 43. Ra5 h4 44. Ra7 Kf5 45. Ra5+ Ke4 46. Ra4+ Kd3 47. Ra3+ Kc4 48. Ra8 g5 49. Rc8+ Kd5 50. Rd8+ Ke6 51. Re8+ Kd7 52. Ra8 f5 53. Ra7+ Kc6 54. Ra6+ Kb7 55. Ra4 g4 56. hxg4 fxg4 57. Ra3 g3+ 0-1

[Event "GER-ch Seniors 50 34th"]
[Site "Magdeburg"]
[Date "2022.08.17"]
[Round "6"]
[White "Raitza, Olaf"]
[Black "Schatz, Christian"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2289"]
[BlackElo "2137"]
[PlyCount "72"]
[EventDate "2022.08.12"]
[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. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 g6 7. Nf3 Bg7 8. Qb3 0-0 9. 0-0 Nh5 10. Bc1 Bg4 11. Qxb7 Na5 12. Qa6 Bxf3 13. b4 Bxg2 14. Kxg2 Qd7 15. f3 Nc6 16. Bb5 Rac8 17. Re1 Rfe8 18. Be3 e5 19. Nd2 e4 20. Rf1 exf3+ 21. Rxf3 Rxe3 22. Rxe3 Bh6 23. Rae1 Bxe3 24. Rxe3 Qg4+ 25. Kh1 Nf4 26. Rg3 Qe6 27. Bf1 Rc7 28. Bg2 Qe1+ 29. Nf1 Re7 30. Qxc6 Nxg2 31. Rf3 Nh4 32. Rf4 g5 33. Qc8+ Kg7 34. Qg4 h6 35. Qg1 Kf8 36. Qf2 gxf4 0-1

[Event "GER-ch Seniors 50 34th"]
[Site "Magdeburg"]
[Date "2022.08.15"]
[Round "4"]
[White "Raitza, Olaf"]
[Black "Pitschka, Claus"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2289"]
[BlackElo "2188"]
[PlyCount "139"]
[EventDate "2022.08.12"]
[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. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Ke8 7. Nf3 Bd6 8. h3 c6 9. a4 Ke7 10. Be3 Be6 11. Bxe6 Kxe6 12. 0-0-0 h6 13. Nh4 g6 14. g3 Bb4 15. f4 Bxc3 16. f5+ Ke7 17. bxc3 g5 18. Nf3 Nbd7 19. Rhe1 g4 20. hxg4 Nxg4 21. Bg1 Rhd8 22. Rd3 Nb6 23. Bc5+ Ke8 24. Rxd8+ Rxd8 25. a5 Nc4 26. Rh1 b6 27. Bg1 Nxa5 28. Rh4 h5 29. Rxh5 Nc4 30. Rh4 Nf6 31. g4 Nxe4 32. g5 Ned6 33. g6 fxg6 34. fxg6 Ke7 35. Rg4 Rf8 36. g7 Rg8 37. Bh2 Kf6 38. Nd2 b5 39. Nf3 e4 40. Nd2 Rxg7 41. Rf4+ Kg5 42. Nxe4+ Nxe4 43. Rxe4 Kf5 44. Re2 a5 45. Kb1 a4 46. Ka2 Rg4 47. Bc7 Re4 48. Rf2+ Ke6 49. Bd8 Re1 50. Bf6 Rd1 51. Bg5 Rd5 52. Bh6 Rf5 53. Re2+ Kd5 54. Bg7 Rf3 55. Rh2 Rg3 56. Bf6 Rg6 57. Bd4 Ke4 58. Re2+ Kf3 59. Rf2+ Kg3 60. Re2 Rh6 61. Ba7 Rh7 62. Bb8+ Kf3 63. Re6 Rb7 64. Bh2 Rg7 65. Rxc6 Rg2 66. Rxc4 bxc4 67. Be5 Ke4 68. Bf6 Rxc2+ 69. Ka3 Kd5 70. Kxa4 0-1

[Event "GER-ch Seniors 50 34th"]
[Site "Magdeburg"]
[Date "2022.08.14"]
[Round "3"]
[White "Juegel, Marcel"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2126"]
[BlackElo "2289"]
[PlyCount "61"]
[EventDate "2022.08.12"]
[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 Nf6 2. Nc3 d5 3. Bf4 e6 4. Nb5 Na6 5. e3 Be7 6. Bd3 c6 7. Nc3 Qb6 8. a3 c5 9. Ra2 Bd7 10. Nf3 c4 11. Be2 Qa5 12. Nd2 b5 13. Qa1 Qb6 14. Qc1 Bc6 15. 0-0 0-0 16. Bf3 Nc7 17. Qe1 a5 18. Bd1 b4 19. Ncb1 Nb5 20. a4 c3 21. Nf3 Ne4 22. Ne5 Nbd6 23. f3 Nd2 24. Nxd2 cxd2 25. Qxd2 Nc4 26. Qd3 f6 27. Nxc6 Qxc6 28. c3 e5 29. Bg3 e4 30. fxe4 dxe4 31. Qe2 1/2-1/2

[Event "GER-ch Seniors 50 34th"]
[Site "Magdeburg"]
[Date "2022.08.13"]
[Round "2"]
[White "Raitza, Olaf"]
[Black "Proschmann, Tino"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2289"]
[BlackElo "2070"]
[PlyCount "59"]
[EventDate "2022.08.12"]
[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 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 Nf6 8. 0-0-0 Ne5 9. Qg3 b5 10. Bf4 d6 11. Bxe5 dxe5 12. Bxb5+ axb5 13. Ncxb5 Qb7 14. Qxe5 Be7 15. Nc7+ Kf8 16. Nxa8 Qxa8 17. f3 Nd7 18. Qc7 g6 19. Nc6 Qxa2 20. c3 Qa1+ 21. Kc2 Qa4+ 22. Kb1 Bf6 23. e5 Nxe5 24. Nxe5 Qe8 25. Nxf7 Qxf7 26. Qxc8+ Kg7 27. Qd7 Be7 28. Rhe1 Rd8 29. Qa4 Rb8 30. Qe4 1-0

[Event "GER-ch Seniors 50 34th"]
[Site "Magdeburg"]
[Date "2022.08.12"]
[Round "1"]
[White "Noldt, Torsten"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1965"]
[BlackElo "2289"]
[PlyCount "72"]
[EventDate "2022.08.12"]
[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. c4 e6 3. b3 d5 4. e3 c5 5. Bb2 Nc6 6. Be2 d4 7. d3 e5 8. exd4 exd4 9. 0-0 Bd6 10. Re1 0-0 11. Nbd2 h6 12. a3 a5 13. h3 g5 14. Ne4 Nxe4 15. dxe4 f5 16. e5 Bxe5 17. Nxe5 Nxe5 18. Bh5 Qd6 19. Qe2 Nc6 20. Bf3 Bd7 21. Bd5+ Kg7 22. Bxc6 Bxc6 23. Qe5+ Qxe5 24. Rxe5 b6 25. Re6 Rf6 26. Re7+ Kf8 27. Rae1 Re8 28. Rxe8+ Bxe8 29. Re5 f4 30. b4 Rc6 31. bxa5 bxa5 32. Rf5+ Bf7 33. a4 Rb6 34. Ba3 Rb1+ 35. Kh2 d3 36. Rxc5 Kg7 0-1

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.02.02"]
[Round "9"]
[White "Raitza, Olaf"]
[Black "Niehaus, Frank"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2325"]
[BlackElo "2045"]
[PlyCount "91"]
[EventDate "2022.01.25"]
[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 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 exd4 5. 0-0 g6 6. Nxd4 Bg7 7. Be3 0-0 8. Nc3 d6 9. f4 f5 10. Nxc6 bxc6 11. Bxc6 Rb8 12. Bd5+ Kh8 13. Bxa7 c6 14. Bb3 fxe4 15. Bxb8 Qb6+ 16. Kh1 Qxb8 17. Nxe4 Nf5 18. Qd2 d5 19. Ng3 Nxg3+ 20. hxg3 Bf5 21. c3 Be4 22. Bd1 h5 23. Bf3 Bf5 24. a4 Rd8 25. Qf2 d4 26. Bxc6 dxc3 27. bxc3 Bxc3 28. Rad1 Bf6 29. Rxd8+ Qxd8 30. Qe3 Kg7 31. Re1 Qc7 32. Qc5 h4 33. Re8 Kh7 34. Ra8 Kh6 35. Ra7 Qd8 36. Bd5 Qe8 37. Qf2 Qd8 38. Qf3 Bd4 39. Ra6 hxg3 40. Qxg3 Qxd5 41. Qg5+ Kg7 42. Rxg6+ Kf8 43. Rg8+ Kf7 44. Rd8 Qe4 45. Qg8+ Kf6 46. Rf8+ 1-0

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.02.01"]
[Round "8"]
[White "Koehler, Gerhard"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2189"]
[BlackElo "2325"]
[PlyCount "103"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd5 Bc5 6. e3 0-0 7. Ne2 Re8 8. 0-0 d6 9. d4 exd4 10. exd4 Bg4 11. f3 Nxd4 12. Nxd4 Re4 13. Qb3 Rxd4 14. Be3 Rxd5 15. cxd5 Bxe3+ 16. Qxe3 Nxd5 17. Qd4 Be6 18. f4 c5 19. Qd2 Nb6 20. b3 d5 21. f5 Bd7 22. f6 Be6 23. fxg7 Qd6 24. Qg5 c4 25. Rf4 c3 26. Rh4 Nd7 27. Rc1 Rc8 28. Qe3 Qe5 29. Qxe5 Nxe5 30. Rd4 Rc5 31. h3 c2 32. Rd2 Bf5 33. Rxd5 Nd3 34. Rxf5 Nxc1 35. Rxc5 Ne2+ 36. Kf2 c1Q 37. Rxc1 Nxc1 38. Bxb7 Nxa2 39. Ke3 Kxg7 40. Be4 h6 41. Kd2 Kf6 42. Bb1 Nb4 43. Kc3 Nc6 44. Kc4 Ke5 45. b4 f5 46. Kb5 Nd4+ 47. Ka6 h5 48. Bd3 f4 49. g4 hxg4 50. hxg4 Kf6 51. b5 Kg5 52. Kxa7 1/2-1/2

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.31"]
[Round "7"]
[White "Gruner, Klaus Dieter"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "1839"]
[BlackElo "2325"]
[PlyCount "74"]
[EventDate "2022.01.25"]
[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 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. b3 0-0 9. Bb2 d5 10. Nbd2 Nc6 11. c5 Nd7 12. Bb5 f5 13. exf6 Bxf6 14. Bxc6 bxc6 15. Qc2 Bg5 16. Qc3 Bf4 17. Rfe1 Qf6 18. Rad1 Rae8 19. h3 Bh5 20. Re2 Bxd2 21. Rdxd2 Bxf3 22. Qxf3 Qxf3 23. gxf3 Rxf3 24. Kg2 Rf5 25. b4 Nf6 26. Re3 Rf8 27. Rde2 Nh5 28. Rc2 Rg5+ 29. Kh2 Rgf5 30. Kg2 Nf4+ 31. Kh2 R8f6 32. Bc1 Ng6 33. Kg2 Nh4+ 34. Kf1 Nf3 35. Rd3 Rh5 36. Bb2 Rxh3 37. Rcc3 Rh1+ 0-1

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.30"]
[Round "6"]
[White "Raitza, Olaf"]
[Black "Syre, Christian"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2325"]
[BlackElo "2235"]
[PlyCount "30"]
[EventDate "2022.01.25"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Nxd4 10. Bxd4 Bd7 11. f4 Bc6 12. Qd3 Nd7 13. Bxg7 Kxg7 14. Qd4+ Kg8 15. b3 Qb6 1/2-1/2

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.29"]
[Round "5"]
[White "Raitza, Olaf"]
[Black "Stahr, Ralf Peter"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2325"]
[BlackElo "2098"]
[PlyCount "69"]
[EventDate "2022.01.25"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 Nxd4 9. Qxd4 0-0 10. Qd2 Bd7 11. 0-0 Bc6 12. f3 a6 13. b4 b6 14. Rac1 Qb8 15. b5 axb5 16. cxb5 Bd7 17. Bc4 Rc8 18. Bb3 Qa7 19. Na4 Bxb5 20. Nxb6 Rxc1 21. Rxc1 Re8 22. a4 Bd7 23. a5 Bb5 24. Nd5 Qb8 25. Nc7 Rc8 26. Bb6 Nd7 27. Bxf7+ Kf8 28. Qd5 Nxb6 29. Ne6+ Kxf7 30. Ng5+ Ke8 31. Qf7+ Kd8 32. Qg8+ Kd7 33. Qe6+ Ke8 34. Qf7+ Kd8 35. Qg8+ 1/2-1/2

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.28"]
[Round "4"]
[White "Hildebrand, Gerald"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2060"]
[BlackElo "2325"]
[PlyCount "178"]
[EventDate "2022.01.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Be7 6. Nc3 d5 7. cxd5 exd5 8. Qc2 0-0 9. e3 c6 10. Bd3 Nbd7 11. 0-0 Bd6 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 h6 15. Rad1 Nf6 16. Bf5 Nd5 17. Bxc8 Qxc8 18. Rfe1 Qd7 19. Re2 b5 20. Rc1 Rfc8 21. Rce1 b4 22. a4 c5 23. dxc5 Rxc5 24. Qd1 Rd8 25. h3 Nf6 26. Qb3 Rd5 27. Be3 Rd3 28. Qc2 b3 29. Qc4 Rc8 30. Qa6 Rd5 31. Rd2 Qc6 32. Qxc6 Rxc6 33. Rxd5 Nxd5 34. Nd4 Rc4 35. Nb5 Bb4 36. Rb1 Nxe3 37. fxe3 Bc5 38. Kf2 Rxa4 39. Rc1 Ra2 40. Rxc5 Rxb2+ 41. Kf3 Rc2 42. Rd5 b2 43. Na3 Rc3 44. Nb1 Rc1 45. Na3 Ra1 46. Rb5 Rxa3 47. Rxb2 Kh7 48. Rb6 f6 49. h4 h5 50. Rb7 Kg6 51. Ra7 Ra1 52. Kg3 a4 53. Ra5 a3 54. Ra7 a2 55. Ra3 Kf5 56. Ra4 Ke5 57. Kh2 Kd5 58. Kg3 Kc5 59. Kf2 Kb5 60. Ra8 Kc4 61. Rc8+ Kd3 62. Rd8+ Ke4 63. Re8+ Kf5 64. Ra8 Rh1 65. Rxa2 Rxh4 66. Ra5+ Kg6 67. Ra7 Rb4 68. Rc7 f5 69. Kf3 Re4 70. Rd7 Kf6 71. Ra7 h4 72. Ra6+ Re6 73. Ra8 g5 74. Rf8+ Kg6 75. Rg8+ Kh6 76. Rf8 Re5 77. Ra8 Re4 78. Rf8 g4+ 79. Kf2 Kg6 80. Rg8+ Kf7 81. Rh8 g3+ 82. Ke2 Rb4 83. Kf3 Rg4 84. Rh5 Kf6 85. Rh8 Rb4 86. Rh6+ Kg5 87. Rh8 Rb2 88. Rg8+ Kf6 89. Rf8+ Kg7 0-1

[Event "Berlin-ch Seniors op 38th"]
[Site "Berlin"]
[Date "2022.01.25"]
[Round "1"]
[White "Raitza, Olaf"]
[Black "Mayer, Herbert"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2325"]
[BlackElo "1813"]
[PlyCount "71"]
[EventDate "2022.01.25"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2 e6 9. Ngf3 a6 10. Ne5 Nxe5 11. dxe5 Ng8 12. h3 Bh5 13. Be3 Bg6 14. Bxg6 hxg6 15. a4 Rc8 16. Rd1 Bc5 17. Ne4 Be7 18. 0-0 Qc7 19. Ng3 Nh6 20. Rfe1 Bh4 21. Ne2 Nf5 22. Bb6 Qc4 23. Qxc4 Rxc4 24. g4 Ne7 25. Rd4 Nc6 26. Rxc4 dxc4 27. Nd4 Nxd4 28. cxd4 Bd8 29. Bxd8 Kxd8 30. Kg2 Kd7 31. Rc1 Rc8 32. Kf3 b5 33. axb5 axb5 34. Ra1 b4 35. Ra7+ Rc7 36. Ra1 1/2-1/2

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.25"]
[Round "15"]
[White "Raitza, Olaf"]
[Black "Moehring, Guenther"]
[Result "1/2-1/2"]
[ECO "C63"]
[BlackElo "2405"]
[PlyCount "81"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7 11. Qh5+ g6 12. Qe5+ Kf7 13. Nb5 c6 14. Qd4 Qxd4 15. Nxd4 Bg7 16. Nc2 Nf6 17. 0-0 Rhf8 18. f3 Kg8 19. a3 Rad8 20. b4 exf3 21. Rxf3 Ne4 22. d4 Rxd4 23. Bh6 Rxc4 24. Rxf8+ Bxf8 25. Bxf8 Kxf8 26. Ne3 Rc3 27. Ng4 Nd6 28. Rd1 Ke7 29. Re1+ Kf7 30. Ne5+ Kf6 31. Nd7+ Kf5 32. Nc5 Rxa3 33. Re7 b6 34. Nd7 Ne4 35. h3 Rb3 36. Re5+ Kf4 37. Re6 Rxb4 38. Rxc6 b5 39. Kh2 Rc4 40. Rb6 Rc7 41. Nf8 1/2-1/2

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.24"]
[Round "14"]
[White "Liebert, Heinz"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2420"]
[PlyCount "60"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. c4 0-0 6. d4 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bf4 Bd6 11. Nbd2 Nbd7 12. a4 Qe7 13. Rfc1 Rfc8 14. axb5 axb5 15. Rxa8 Bxa8 16. Bxd6 Qxd6 17. Nb3 Be4 18. Qc3 b4 19. Qe3 Ra8 20. Nbd2 Bd5 21. Ne5 Bxg2 22. Nxd7 Nxd7 23. Kxg2 e5 24. dxe5 Nxe5 25. Ne4 Qb6 26. Qc5 Qxc5 27. Rxc5 f6 28. Rxc7 Ra2 29. Nd6 Kf8 30. f4 Ng4 1-0

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.23"]
[Round "13"]
[White "Raitza, Olaf"]
[Black "Enders, Peter"]
[Result "1-0"]
[ECO "B92"]
[BlackElo "1825"]
[PlyCount "77"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a4 Be6 10. f4 Nbd7 11. Kh1 Rc8 12. f5 Bc4 13. a5 h6 14. Be3 b5 15. axb6 Nxb6 16. Na5 d5 17. Nxc4 Nxc4 18. Bxc4 dxc4 19. Rxa6 Rb8 20. Qc1 Qc8 21. Ra5 Qc7 22. Ra7 Rb7 23. Ra6 Rfb8 24. Bxh6 gxh6 25. Qxh6 Rb6 26. Rxb6 Qxb6 27. Rf3 Ng4 28. Qxb6 Rxb6 29. Rg3 Rxb2 30. Rxg4+ Kh7 31. h3 Rxc2 32. Nd5 Bc5 33. f6 c3 34. Ne7 Kh6 35. Nf5+ Kh5 36. Rg8 Rc1+ 37. Kh2 Bg1+ 38. Kg3 c2 39. Rh8+ 1-0

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.22"]
[Round "12"]
[White "Bodach, Hans"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "60"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 Be6 9. Bg5 Nbd7 10. a4 Rc8 11. Bf3 0-0 12. Bxf6 Nxf6 13. Re1 Qc7 14. Re2 Bc4 15. Rd2 b5 16. Qe1 b4 17. Nd1 d5 18. exd5 e4 19. Bxe4 Bd6 20. Bf3 Bxh2+ 21. Kh1 Qf4 22. Nd4 Rfe8 23. Ne3 g6 24. g3 Bxg3 25. fxg3 Qh6+ 26. Rh2 Qxe3 27. Qxe3 Rxe3 28. Rd2 Bxd5 29. Kg2 Bxf3+ 30. Nxf3 Ne4 0-1

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.21"]
[Round "11"]
[White "Raitza, Olaf"]
[Black "Uhlmann, Wolfgang"]
[Result "1/2-1/2"]
[ECO "C09"]
[BlackElo "2575"]
[PlyCount "108"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nb3 Bd6 10. c3 0-0 11. Nbd4 Bg4 12. Qa4 Bh5 13. Bg5 Qc7 14. h3 a6 15. Bd3 h6 16. Bxe7 Nxe7 17. Nh4 Bc5 18. Ndf5 b5 19. Qb3 Rfd8 20. a4 Rab8 21. axb5 axb5 22. Ra6 Nxf5 23. Nxf5 Qf4 24. Rc6 Bf8 25. Qc2 Bg6 26. Nd4 Be4 27. g3 Qe5 28. f4 Qe8 29. Re1 Bxd3 30. Rxe8 Bxc2 31. Rxd8 Rxd8 32. Nxc2 Ra8 33. b4 g6 34. Nd4 Ra1+ 35. Kf2 Rc1 36. Rc8 Kg7 37. Ne2 Rd1 38. Ke3 g5 39. Rb8 gxf4+ 40. gxf4 Rh1 41. Rxb5 Rxh3+ 42. Kd2 h5 43. Rxd5 h4 44. b5 Rh1 45. Rg5+ Kf6 46. c4 Bh6 47. Rd5 h3 48. b6 Rb1 49. Rb5 Rxb5 50. cxb5 Bf8 51. b7 Bd6 52. Ke3 h2 53. Ng3 Ke6 54. Kf3 Kd7 1/2-1/2

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.20"]
[Round "10"]
[White "Brueggemann, Joachim"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "33"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. Nc3 Nc6 5. d3 e6 6. Be3 d6 7. Qd2 Rb8 8. Nf3 Nd4 9. Bxd4 cxd4 10. Nb5 e5 11. Qb4 Bf8 12. Qc4 Be7 13. c3 dxc3 14. bxc3 Bd7 15. Nc7+ Kf8 16. Nd5 Nf6 17. Nxe7 1/2-1/2

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.17"]
[Round "8"]
[White "Knaak, Rainer"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "E45"]
[WhiteElo "2520"]
[PlyCount "63"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. Ng3 0-0 7. e4 d5 8. cxd5 Bxc3+ 9. bxc3 Bxf1 10. Kxf1 exd5 11. e5 Ne4 12. f3 Nxg3+ 13. hxg3 f6 14. Qd3 g6 15. Ba3 Re8 16. Re1 fxe5 17. dxe5 c5 18. f4 Nc6 19. Rd1 Ne7 20. g4 Rf8 21. Bc1 Qd7 22. Qg3 Qa4 23. Re1 Rxf4+ 24. Bxf4 Rf8 25. Kg1 Qxf4 26. Qh4 Rf7 27. e6 Rg7 28. Rh3 g5 29. Qh5 Ng6 30. Rf3 Qd2 31. Ref1 d4 32. Rf8+ 1-0

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.16"]
[Round "7"]
[White "Starck, Bodo"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2310"]
[PlyCount "112"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. Nf3 0-0 6. Bd2 Qe7 7. a3 Bxc3 8. Bxc3 Nbd7 9. e3 b6 10. Be2 Bb7 11. 0-0 Ne4 12. Nd2 Nxc3 13. Qxc3 e5 14. b4 exd4 15. Qxd4 c5 16. Qc3 Rac8 17. Bf3 Nf6 18. Qd3 Bxf3 19. Nxf3 d5 20. cxd5 Rfd8 21. bxc5 Rxd5 22. Qa6 Rdxc5 23. Nd4 Ng4 24. h3 Ne5 25. Rfd1 g6 26. a4 Nc4 27. Nb5 Qe4 28. Rd4 Qe5 29. Rf1 Qe7 30. Nxa7 Ra8 31. Rxc4 Rxa7 32. Re4 Rxa6 33. Rxe7 Rxa4 34. Rb7 b5 35. Rb1 Ra5 36. g4 h5 37. Kg2 hxg4 38. hxg4 Rg5 39. Kg3 f5 40. f3 fxg4 41. f4 Rc5 42. Rd1 Ra8 43. Kxg4 Re8 44. Rdd7 Rcc8 45. Rxb5 Rxe3 46. Rb6 Re1 47. Rxg6+ Kf8 48. Rb6 Rg1+ 49. Kf5 Rg7 50. Rd5 Rf7+ 51. Kg5 Rc1 52. Rf6 Rxf6 53. Kxf6 Rc6+ 54. Kg5 Kf7 55. Rd7+ Kf8 56. f5 Rb6 1/2-1/2

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.15"]
[Round "6"]
[White "Raitza, Olaf"]
[Black "Heinig, Wolfram"]
[Result "1/2-1/2"]
[ECO "B47"]
[BlackElo "2270"]
[PlyCount "93"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 Nc6 8. 0-0 Be7 9. Re1 Nxd4 10. Qxd4 Bc5 11. Bf4 d6 12. Qd2 Ng4 13. Re2 Ne5 14. Na4 Ba7 15. Rd1 b5 16. Qxd6 Qxd6 17. Rxd6 Nc4 18. e5 Rb8 19. Rc6 0-0 20. Nc5 Na5 21. Rxa6 Bxa6 22. Nxa6 Rbc8 23. b4 Nc6 24. Rd2 Bd4 25. c4 Bc3 26. cxb5 Bxd2 27. bxc6 Bxf4 28. gxf4 Rfd8 29. c7 Rd1+ 30. Bf1 Ra1 31. b5 Rxa2 32. Bd3 Rxa6 33. bxa6 Rxc7 34. Kf1 Kf8 35. Ke2 Rc1 36. Kd2 Ra1 37. Kc3 Ke7 38. Kb4 Kd7 39. Kb5 Kc7 40. Bxh7 Ra2 41. Bg8 Rxf2 42. Bxf7 Rxf4 43. a7 Kb7 44. Bxe6 Rh4 45. Bd7 Kxa7 46. e6 Rxh2 47. Kc6 1/2-1/2

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.14"]
[Round "5"]
[White "Hesse, Peter"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2415"]
[PlyCount "48"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5 7. e3 Nbd7 8. Be2 Be7 9. 0-0 0-0 10. b3 Bb7 11. Bb2 Qc7 12. Nbd2 Rae8 13. Qc2 Qb8 14. Bd3 Bd6 15. h3 Qa8 16. Ng5 h6 17. Nh7 Nxh7 18. Bxh7+ Kh8 19. Bxg7+ Kxg7 20. Qg6+ Kh8 21. Qxh6 Nf6 22. Bd3+ Kg8 23. Qg6+ Kh8 24. Qh6+ Kg8 1/2-1/2

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.13"]
[Round "4"]
[White "Raitza, Olaf"]
[Black "Okrajek, Alexander"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "76"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. a4 b6 10. Be3 Bb7 11. f3 Nbd7 12. Qd2 Qc7 13. Rfd1 Rfd8 14. Nc1 Nf8 15. a5 bxa5 16. Nd5 Nxd5 17. exd5 Rdc8 18. c4 Bd8 19. Nb3 Qe7 20. c5 dxc5 21. d6 Qf6 22. Nxc5 Bc6 23. Bxa6 Rcb8 24. Bd3 e4 25. Nxe4 Qxb2 26. Bc2 Ne6 27. Rab1 Qe5 28. f4 Qh5 29. Ng3 Qg4 30. Bxh7+ Kxh7 31. Qc2+ g6 32. Qxc6 Nxf4 33. Rf1 Bg5 34. Rb7 Ne2+ 35. Nxe2 Bxe3+ 36. Kh1 Rxb7 37. Qxb7 Ra7 38. Rxf7+ Kg8 1/2-1/2

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.12"]
[Round "3"]
[White "Espig, Lutz"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2470"]
[PlyCount "54"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. b3 Be7 5. Bb2 0-0 6. Bg2 c5 7. 0-0 Nc6 8. e3 b6 9. Qe2 Bb7 10. Rd1 Qc7 11. Nc3 Rad8 12. cxd5 Nxd5 13. Nxd5 Rxd5 14. d4 cxd4 15. Nxd4 Nxd4 16. Bxd4 Rd6 17. Rdc1 Qd7 18. Be5 Rd2 19. Qg4 g6 20. Rc7 Qb5 21. Bc3 Bxg2 22. Bxd2 Bd6 23. Rxa7 Qd5 24. Bc3 Bh1 25. e4 Qxe4 26. Qxe4 Bxe4 27. Rd7 Ba3 1-0

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.11"]
[Round "2"]
[White "Raitza, Olaf"]
[Black "Vogt, Lothar"]
[Result "0-1"]
[ECO "B86"]
[BlackElo "2520"]
[PlyCount "56"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Be7 7. Bc4 0-0 8. f4 d5 9. Bd3 dxe4 10. Nxe4 Nd5 11. Qf3 Nc6 12. Nxc6 bxc6 13. Bf2 Qa5+ 14. c3 Ba6 15. g3 Rab8 16. b4 Bxb4 17. 0-0 Bxc3 18. Rfc1 Bb2 19. Rxc6 Bxd3 20. Qxd3 Nb4 21. Be1 Qxa2 22. Bxb4 Rxb4 23. Rd6 Qc4 24. Qxc4 Rxc4 25. Rb1 Rc2 26. Kh1 h6 27. Rd7 Re2 28. Nd6 a5 0-1

[Event "DDR-ch27 Final"]
[Site "Eggesin"]
[Date "1978.02.10"]
[Round "1"]
[White "Espig, Thomas"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2310"]
[PlyCount "82"]
[EventDate "1978.02.10"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d3 d5 5. Nbd2 Be7 6. Be2 0-0 7. 0-0 Re8 8. a3 a5 9. b3 Bf8 10. Bb2 g6 11. b4 dxe4 12. dxe4 Nh5 13. b5 Nb8 14. Nc4 Qxd1 15. Rfxd1 Nd7 16. Ne3 Nf4 17. Bc4 Nb6 18. Bb3 Bc5 19. c4 a4 20. Ba2 f6 21. Rd2 c6 22. Bc3 Be6 23. Bb4 Bd4 24. Rad1 c5 25. Nxd4 exd4 26. Bxc5 dxe3 27. Bxe3 Nxc4 28. Bxc4 Bxc4 29. Bxf4 Rxe4 30. Be3 Bxb5 31. Rd8+ Rxd8 32. Rxd8+ Kf7 33. Rd4 Re7 34. h3 Rc7 35. Bd2 Rc2 36. Bb4 Rc1+ 37. Kh2 Bc6 38. Rd2 Ke6 39. Rd6+ Ke5 40. Rd2 Rc4 41. Re2+ Kd4 1/2-1/2

[Event "DDR-ch26 Semifinal-C"]
[Site "Spremberg"]
[Date "1976.08.14"]
[Round "9"]
[White "Boehm, Erwin"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "C90"]
[PlyCount "132"]
[EventDate "1976.08.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. Bc2 Re8 10. h3 Bf8 11. d3 h6 12. Nbd2 Nb8 13. Nf1 c5 14. Ng3 Nc6 15. Nh2 d5 16. Qe2 d4 17. f4 dxc3 18. bxc3 b4 19. fxe5 Nd7 20. e6 Rxe6 21. Bb3 Nde5 22. Bd5 Ra7 23. Bf4 Re8 24. Bxe5 Nxe5 25. d4 cxd4 26. cxd4 Ng6 27. Qf2 Bd6 28. e5 Bc5 29. dxc5 Qxd5 30. Rad1 Qa8 31. Ne4 Nxe5 32. Nd6 Ree7 33. Qh4 Ng6 34. Qxb4 Be6 35. a3 Qc6 36. Nf3 Bxh3 37. Qb6 Qa8 38. c6 Be6 39. Nb7 Rexb7 40. Rd8+ Kh7 41. cxb7 Qxb7 42. Rd6 Bc4 43. Qxb7 Rxb7 44. Rc1 Bb5 45. Nd4 Nf4 46. Rb1 Rc7 47. Nxb5 axb5 48. Rxb5 Rc2 49. Rf5 Ne2+ 50. Kh2 Rc4 51. g3 f6 52. Rd2 Re4 53. Rf3 Nd4 54. Rfd3 Nc6 55. Ra2 Ra4 56. Rb3 h5 57. Rb6 Ne5 58. Rb4 Ra6 59. a4 g5 60. a5 Nc6 61. Rb6 Rxa5 62. Rxa5 Nxa5 63. Rxf6 Nc4 64. Kg2 Ne3+ 65. Kf3 Kg7 66. Ra6 Nf5 1/2-1/2

[Event "DDR-ch26 Semifinal-C"]
[Site "Spremberg"]
[Date "1976.08.13"]
[Round "8"]
[White "Raitza, Olaf"]
[Black "Starck, Bodo"]
[Result "1/2-1/2"]
[ECO "B13"]
[BlackElo "2310"]
[PlyCount "104"]
[EventDate "1976.08.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Be7 10. 0-0 Bh5 11. Ne5 Nxe5 12. dxe5 Nd7 13. c4 d4 14. Ne4 0-0 15. Rac1 b6 16. Bb1 Nc5 17. Nxc5 bxc5 18. Bxh7+ Kxh7 19. Qh3 g6 20. g4 Rh8 21. gxh5 Kg8 22. h6 Rb8 23. Rc2 Qd8 24. Qg3 Kh7 25. Kh1 a5 26. Rg1 a4 27. Qd3 Rb6 28. Bc1 Bf8 29. Qh3 d3 30. Rd2 Qa8+ 31. Rg2 Bxh6 32. Rxd3 Kg7 33. Qh4 Rbb8 34. Qf6+ Kg8 35. Rf3 Qb7 36. Kg1 Qxf3 37. Qxf3 Bxc1 38. b3 axb3 39. axb3 Rh6 40. Qd1 Ba3 41. Rg3 Kg7 42. Qf3 Bb2 43. Qf6+ Kg8 44. h4 Rb7 45. Kf1 Kh7 46. Qd8 Bxe5 47. Rd3 Rh5 48. Rd7 Rxd7 49. Qxd7 Kg7 50. Qc6 Bc3 51. Qe4 Bb4 52. Kg2 Rf5 1/2-1/2

[Event "DDR-ch26 Semifinal-C"]
[Site "Spremberg"]
[Date "1976.08.12"]
[Round "7"]
[White "Casper, Thomas"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2300"]
[PlyCount "139"]
[EventDate "1976.08.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. e4 d6 4. Nc3 Bg7 5. f4 e5 6. d3 exf4 7. Bxf4 Nh5 8. Be3 Nc6 9. Nh3 0-0 10. 0-0 Ne5 11. Kh1 Bg4 12. Qd2 Qd7 13. Nf4 c6 14. b3 f5 15. d4 Nxf4 16. Bxf4 Nf7 17. h3 Bh5 18. Rae1 Rae8 19. exf5 gxf5 20. Qd3 Nd8 21. d5 Nf7 22. dxc6 bxc6 23. Na4 Ne5 24. Qd2 Qc7 25. c4 Re6 26. Nb2 Rfe8 27. Re3 Ng6 28. Bxd6 Qd7 29. Rxe6 Rxe6 30. c5 Re2 31. Qg5 Rxb2 32. Qxh5 Ne7 33. Re1 Bf6 34. Qh6 Ng6 35. Qe3 Rxa2 36. Qe8+ Qxe8 37. Rxe8+ Kf7 38. Rc8 Ne7 39. Rc7 Ke6 40. Bxc6 Nxc6 41. Rxc6 Kd5 42. Rc8 Bd4 43. b4 Ke4 44. Re8+ Kf3 45. Re1 Rc2 46. Bf4 a5 47. bxa5 Rxc5 48. Rd1 Ke4 49. Bd2 Rc2 50. Bb4 Rb2 51. Bd6 Ra2 52. Re1+ Kd5 53. Bc7 Bc3 54. Re3 Kc4 55. Re7 h5 56. Rf7 Bxa5 57. Be5 Rf2 58. Bf4 h4 59. Rf6 Bc3 60. Rxf5 hxg3 61. Rg5 Rxf4 62. Rxg3 Bd4 63. Rg4 Rf2 64. h4 Kd3 65. h5 Be5 66. Kg1 Rc2 67. Rg2 Rc1+ 68. Kf2 Ke4 69. h6 Bd4+ 70. Ke2 1/2-1/2

[Event "DDR-ch26 Semifinal-C"]
[Site "Spremberg"]
[Date "1976.08.11"]
[Round "6"]
[White "Raitza, Olaf"]
[Black "Walter, Guenter"]
[Result "1/2-1/2"]
[ECO "B09"]
[PlyCount "70"]
[EventDate "1976.08.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 c6 5. Nf3 Nf6 6. Bd3 0-0 7. e5 Nd5 8. Nxd5 cxd5 9. 0-0 Nc6 10. c3 Bf5 11. Bxf5 gxf5 12. Qb3 dxe5 13. dxe5 Na5 14. Qc2 e6 15. Be3 Qc7 16. g4 Nc4 17. Bd4 f6 18. exf6 Bxf6 19. Bxf6 Rxf6 20. g5 Rf7 21. Qc1 Qb6+ 22. Rf2 Nd6 23. Kg2 Ne4 24. Rc2 Rc8 25. Qg1 Qa6 26. Ne5 Rg7 27. Kh1 Qd6 28. Rg2 d4 29. Qxd4 Qxd4 30. cxd4 Rgc7 31. Re2 Rc2 32. Rae1 Nd2 33. Rd1 Ne4 34. Rde1 Nd2 35. Rd1 Ne4 1/2-1/2

[Event "DDR-ch26 Semifinal-C"]
[Site "Spremberg"]
[Date "1976.08.10"]
[Round "5"]
[White "Moebius, Rainer"]
[Black "Raitza, Olaf"]
[Result "1/2-1/2"]
[ECO "E41"]
[PlyCount "71"]
[EventDate "1976.08.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 0-0 6. Bd3 d6 7. Nf3 c5 8. 0-0 Nc6 9. e4 e5 10. d5 Ne7 11. Nh4 h6 12. f4 Ng6 13. Nxg6 fxg6 14. f5 g5 15. g4 Bd7 16. Bd2 Nh7 17. Kg2 Qf6 18. Rb1 Rfb8 19. Qe2 b6 20. Kg3 Rb7 21. Rh1 Rab8 22. h4 Be8 23. Be3 a6 24. hxg5 Nxg5 25. Rb2 Qe7 26. Qd2 Qf6 27. Bxg5 Qxg5 28. Qxg5 hxg5 29. Rbh2 Kf7 30. Rh8 Bd7 31. Rxb8 Rxb8 32. Rb1 Ba4 33. Kf3 Ke7 34. Ke3 Bd7 35. Kf3 Ba4 36. Ke3 1/2-1/2

[Event "DDR-ch26 Semifinal-C"]
[Site "Spremberg"]
[Date "1976.08.09"]
[Round "4"]
[White "Raitza, Olaf"]
[Black "Becker, Michael"]
[Result "0-1"]
[ECO "B39"]
[PlyCount "70"]
[EventDate "1976.08.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Rc1 b6 11. Bd3 Bb7 12. Bb1 0-0 13. 0-0 a5 14. f4 d6 15. f5 Nc5 16. b3 Rc8 17. Nd5 Bxd5 18. exd5 Qd7 19. Rf3 Qb7 20. Qd2 Nd7 21. Bh6 Bf6 22. Bxf8 Rxf8 23. Rh3 Bg7 24. Qg5 Nf6 25. Re1 b5 26. Rhe3 Re8 27. Kh1 bxc4 28. bxc4 Qb4 29. Bd3 Qd2 30. Qg3 Nh5 31. Qf3 Bd4 32. fxg6 hxg6 33. Rxe7 Rxe7 34. Rxe7 Qc1+ 35. Bf1 Ng3+ 0-1

[Event "DDR-ch26 Semifinal-C"]
[Site "Spremberg"]
[Date "1976.08.08"]
[Round "3"]
[White "Braun, Gottfried"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2360"]
[PlyCount "141"]
[EventDate "1976.08.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Na5 5. Bb3 Nxb3 6. axb3 d5 7. exd5 Nxd5 8. Qh5 Nxc3 9. Qxe5+ Be7 10. bxc3 0-0 11. Ne2 Bg4 12. Qd4 Qxd4 13. cxd4 Rfe8 14. f3 Bf5 15. Kf2 Bf6 16. Ra5 Bd7 17. Bf4 b6 18. Ra6 Re7 19. Rd1 Bb5 20. Ra2 a5 21. c4 Be8 22. d5 g5 23. Bc1 h6 24. Ba3 Rd7 25. Ng3 Rdd8 26. Kf1 Bd7 27. Re1 Re8 28. Bb2 Rxe1+ 29. Kxe1 Re8+ 30. Kd2 Be7 31. Nh5 f5 32. Nf6+ Bxf6 33. Bxf6 Kf7 34. Bd4 f4 35. Ra1 Kg6 36. b4 axb4 37. Ra7 Bf5 38. Rxc7 Ra8 39. g4 fxg3 40. hxg3 h5 41. Rc6+ Kh7 42. Rxb6 Ra3 43. Bf6 Rxd3+ 44. Ke2 g4 45. fxg4 hxg4 46. Be5 b3 47. Rb8 Rf3 48. d6 Kg6 49. c5 Bd7 50. Rb7 Kf5 51. Rxd7 Kxe5 52. Re7+ Kf6 53. Re8 b2 54. Rb8 Ke6 55. Rxb2 Rxg3 56. Rb7 Rg2+ 57. Kf1 Rd2 58. Re7+ Kf6 59. Re2 Rd5 60. Rc2 Ke6 61. c6 Rf5+ 62. Kg2 Rf8 63. d7 Kd6 64. Kg3 Kc7 65. Kxg4 Rd8 66. Kf5 Kd6 67. Kf6 Rf8+ 68. Kg7 Rd8 69. Kf7 Ra8 70. Rd2+ Kc7 71. Rd1 1-0

[Event "DDR-ch26 Semifinal-C"]
[Site "Spremberg"]
[Date "1976.08.08"]
[Round "2"]
[White "Raitza, Olaf"]
[Black "Luethke, Hans Eckart"]
[Result "1-0"]
[ECO "B38"]
[PlyCount "100"]
[EventDate "1976.08.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 g6 7. Be2 Bg7 8. Be3 Nc6 9. 0-0 0-0 10. Rc1 Bd7 11. Nxc6 Bxc6 12. f3 Rc8 13. b4 b6 14. Qb3 Bb7 15. Rfd1 Qc7 16. Na4 Nd7 17. c5 dxc5 18. Rxd7 Qxd7 19. Nxb6 Qd6 20. Nxc8 Bxc8 21. bxc5 Qc6 22. Bc4 Qf6 23. Rd1 e6 24. Qd3 Qh4 25. Bf2 Qh5 26. c6 Be5 27. g3 Bc7 28. Qa3 Qa5 29. Qxa5 Bxa5 30. Rb1 e5 31. Rb8 Bc7 32. Ra8 Be6 33. Rxf8+ Kxf8 34. Bc5+ Ke8 35. Bd5 Kd8 36. Kf2 Ba5 37. Ke3 Kc7 38. Kd3 Be1 39. f4 exf4 40. gxf4 Ba5 41. a3 Bh3 42. Bd4 f5 43. Be5+ Kd8 44. Bd6 fxe4+ 45. Kxe4 Bf5+ 46. Kd4 Bb6+ 47. Ke5 Bg1 48. Bc4 Bc8 49. c7+ Ke8 50. Be6 Bb7 1-0

[Event "DDR-ch26 Semifinal-C"]
[Site "Spremberg"]
[Date "1976.08.07"]
[Round "1"]
[White "Baumbach, Friedrich"]
[Black "Raitza, Olaf"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2390"]
[PlyCount "51"]
[EventDate "1976.08.07"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DDR"]
[EventCategory "1"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d6 5. e3 0-0 6. Be2 b6 7. 0-0 Bxd2 8. Nxd2 Bb7 9. Qc2 c5 10. b3 Nc6 11. Bb2 Qe7 12. Rad1 cxd4 13. exd4 d5 14. Nf3 Nb4 15. Qb1 dxc4 16. bxc4 Be4 17. Qa1 Rac8 18. Ne5 Nd7 19. Nxd7 Qxd7 20. a3 Nc2 21. Qc1 Qa4 22. Qf4 Bg6 23. Qg3 Rfd8 24. h4 Rxc4 25. Bxc4 Qxc4 26. d5 1-0

[Event "Match/Nation U20 DDR-POL"]
[Site "Zinnowitz"]
[Date "1975.??.??"]
[Round "2"]
[White "Hanasz, Waldemar"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "72"]
[EventDate "1975.??.??"]
[EventType "team-match"]
[EventRounds "4"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bd2 Qd5 11. Bg5 Bd6 12. Bf6 0-0 13. Nxd6 Qxd6 14. Bxd4 Bg4 15. c3 Rad8 16. Re4 f5 17. Qb3+ Qd5 18. Ree1 Bxf3 19. gxf3 Qxb3 20. axb3 Nxd4 21. cxd4 a6 22. Rac1 c6 23. Re7 Rf7 24. Rce1 Kf8 25. R7e5 g6 26. Rd1 Rfd7 27. Kg2 Rxd4 28. Rde1 Rd3 29. Kg3 R8d7 30. Kf4 Kg7 31. Re7+ Kh6 32. R7e6 Rxb3 33. h4 Rxb2 34. h5 Rb4+ 35. Ke5 Kg7 36. Re8 Kf7 0-1

[Event "Match/Nation U20 DDR-POL"]
[Site "Zinnowitz"]
[Date "1975.??.??"]
[Round "4"]
[White "Klimaszewski, Dariusz"]
[Black "Raitza, Olaf"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "70"]
[EventDate "1975.??.??"]
[EventType "team-match"]
[EventRounds "4"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. f4 c5 4. Nf3 Nc6 5. e3 Bg4 6. Be2 Bxf3 7. Bxf3 e6 8. 0-0 Be7 9. d3 0-0 10. Nd2 Rc8 11. Qe1 Qa5 12. Bd1 c4 13. dxc4 Bb4 14. Qg3 Bc3 15. cxd5 Bxb2 16. Nc4 Ne4 17. Qh3 Qc3 18. Rb1 exd5 19. Nxb2 Nd2 20. Na4 Qb4 21. a3 Qe7 22. Bg4 Rcd8 23. Bf5 g6 24. Bd3 Rfe8 25. Rbe1 Nxf1 26. Kxf1 Qxa3 27. g4 Nb4 28. Nc5 Nxc2 29. Bxc2 Qxc5 30. Re2 d4 31. e4 Qc3 32. Qd3 Rc8 33. Kf2 Qxd3 34. Bxd3 Rc3 35. Bb5 d3 0-1

[Event "Match/Nation U20 DDR-POL"]
[Site "Zinnowitz"]
[Date "1975.??.??"]
[Round "3"]
[White "Raitza, Olaf"]
[Black "Seifert, Henryk"]
[Result "1-0"]
[ECO "C09"]
[PlyCount "89"]
[EventDate "1975.??.??"]
[EventType "team-match"]
[EventRounds "4"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nb3 Bb6 10. Re1 0-0 11. Be3 Bxe3 12. Rxe3 Nf5 13. Re1 Nd6 14. Qxd5 Nb4 15. Qd2 Nxc2 16. Qxc2 Nxb5 17. Rad1 Qf6 18. a4 Nd6 19. Qc7 Ne8 20. Qe7 Qxe7 21. Rxe7 Nf6 22. Nbd4 Bd7 23. b3 Rfe8 24. Rxe8+ Rxe8 25. Rc1 Rc8 26. Rxc8+ Bxc8 27. Kf1 Kf8 28. Nb5 Be6 29. Nfd4 Bd5 30. Nxa7 Ne4 31. b4 Nc3 32. a5 Ke8 33. Nc8 Na2 34. b5 Nc3 35. Nb6 Be4 36. Ke1 Nd5 37. Nc4 Kd7 38. f3 Bb1 39. Kd2 Ba2 40. Ne3 Nxe3 41. Kxe3 Kd6 42. Nf5+ Kc5 43. a6 bxa6 44. bxa6 Kb6 45. Nxg7 1-0

[Event "Match/Nation U20 DDR-POL"]
[Site "Zinnowitz"]
[Date "1975.??.??"]
[Round "1"]
[White "Raitza, Olaf"]
[Black "Stempin, Pawel"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "81"]
[EventDate "1975.??.??"]
[EventType "team-match"]
[EventRounds "4"]
[EventCountry "DDR"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e6 7. 0-0 Be7 8. Qe2 Nf6 9. Rd1 Qc7 10. Bf4 Ne5 11. Bxe5 dxe5 12. Bb5+ Kf8 13. Rac1 Qb8 14. Na4 g6 15. Nc5 Bxc5 16. Rxc5 Kg7 17. Nxe5 b6 18. Nc6 Qf4 19. Rc4 e5 20. Ne7 Be6 21. Nd5 Qg5 22. Bc6 Rac8 23. b4 Qh4 24. g3 Qh3 25. f3 h5 26. Qg2 Qxg2+ 27. Kxg2 Rhd8 28. b5 Bxd5 29. exd5 Ne8 30. f4 f6 31. fxe5 fxe5 32. Re4 Nd6 33. Rxe5 Rc7 34. Rde1 Kf7 35. Re6 Nf5 36. Be8+ Kf8 37. Rf6+ Kg7 38. Rxg6+ Kh7 39. Rg5 Ng7 40. Bc6 Kh6 41. Rge5 1-0

