[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.15"]
[Round "9"]
[White "Banerjee, Shreyo"]
[Black "Wittkowski, Ralf"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "1701"]
[PlyCount "82"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. c4 a6 5. Bxd7+ Bxd7 6. d4 e6 7. dxe6 Bxe6 8. d5 Bg4 9. f3 Bf5 10. Ne2 Bc5 11. b3 Qe7 12. Bb2 Bb4+ 13. Kf2 0-0 14. Bc3 Bc5+ 15. Bd4 Rad8 16. Re1 Rfe8 17. Nbc3 c6 18. Bxc5 Qxc5+ 19. Qd4 Qa5 20. Ng3 Bg6 21. Rxe8+ Nxe8 22. c5 b6 23. b4 bxc5 24. bxc5 cxd5 25. Nxd5 Nf6 26. Ne7+ Kf8 27. Nxg6+ hxg6 28. Qe5 Qd2+ 29. Kg1 Nd5 30. Ne4 Qe3+ 31. Kf1 Nf4 32. Qb2 Qd3+ 33. Kg1 Qd1+ 34. Rxd1 Rxd1+ 35. Kf2 Nd3+ 36. Ke2 Nxb2 37. Nc3 Rd8 38. Ke3 Rd3+ 39. Ke4 Rxc3 40. Kd5 Ke7 41. Kc6 Nd3 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.14"]
[Round "8"]
[White "Olszewski, Milosz Ulfur"]
[Black "Wittkowski, Ralf"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1497"]
[BlackElo "1701"]
[PlyCount "102"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bf4 e6 4. e3 Be7 5. Bd3 0-0 6. Nge2 Nc6 7. Nb5 a6 8. Bxc7 Qe8 9. Nd6 Qg6 10. Nf4 Qh6 11. d5 Nb4 12. Bc4 Ne8 13. Nxe8 Rxe8 14. dxe6 dxe6 15. c3 b5 16. Bb3 Ra7 17. Bb6 Rb7 18. Bd4 Nc6 19. Qc2 Nxd4 20. cxd4 Bb4+ 21. Kf1 Rf7 22. Qc6 Rfe7 23. a3 Ba5 24. Qc2 Qf6 25. Qc6 g5 26. Nd3 Bb7 27. Qc5 Rc8 28. Qe5 Qf7 29. Nc5 Rc6 30. Nxb7 Rxb7 31. d5 Bc7 32. dxe6 Bxe5 33. exf7+ Kf8 34. Bd5 Rcc7 35. Bxb7 Rxb7 36. Rb1 Rc7 37. g3 Rc2 38. b3 Kxf7 39. Kg2 g4 40. Rhc1 Ra2 41. Rc6 Rxa3 42. h3 h5 43. hxg4 hxg4 44. Rb6 Bc3 45. Rd1 Ke7 46. Rh1 Be5 47. Rh7+ Kf8 48. Rc6 Kg8 49. Rd7 Bg7 50. Rg6 Rxb3 51. Rgxg7+ Kh8 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.13"]
[Round "6"]
[White "Vreugdenhil, Frans"]
[Black "Wittkowski, Ralf"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1892"]
[BlackElo "1701"]
[PlyCount "47"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 d5 2. d4 dxe4 3. Nc3 Bf5 4. g4 Bg6 5. Bg2 Nf6 6. g5 Nd5 7. Nxe4 Nc6 8. Ne2 e6 9. 0-0 f5 10. gxf6 gxf6 11. c4 Bxe4 12. Bxe4 Rg8+ 13. Kh1 Nde7 14. d5 exd5 15. cxd5 Ne5 16. Nf4 f5 17. Bxf5 Nf7 18. Be6 Ng6 19. Nxg6 Rxg6 20. Qa4+ c6 21. dxc6 b5 22. Bd7+ Ke7 23. Re1+ Kd6 24. Qf4+ 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.13"]
[Round "7"]
[White "Wittkowski, Ralf"]
[Black "Mrozowski, Nikodem"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1701"]
[BlackElo "1984"]
[PlyCount "102"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Rg1 c6 6. h3 h5 7. Bg5 b5 8. a3 Qa5 9. Bd2 Qc7 10. g3 Nbd7 11. b4 Nb6 12. d5 cxd5 13. Nxb5 Qd8 14. e5 Ne4 15. exd6 Nxd6 16. Rc1 Nxb5 17. Bxb5+ Bd7 18. Qe2 Bxb5 19. Qxb5+ Qd7 20. Qxd7+ Kxd7 21. c3 Rhc8 22. Ke2 Nc4 23. a4 a5 24. b5 Nb6 25. g4 hxg4 26. Rxg4 Rc4 27. Rxc4 dxc4 28. Ra1 Rh8 29. Ng1 Nd5 30. Rc1 e5 31. Be3 Nxe3 32. fxe3 e4 33. Kf2 Ke6 34. Rc2 Rd8 35. Ne2 g5 36. Nd4+ Bxd4 37. cxd4 Kd5 38. Kg3 Rc8 39. Kg4 c3 40. Kxg5 Kc4 41. Kf5 Kd3 42. Rc1 Kxe3 43. Re1+ Kd2 44. Rxe4 c2 45. Rg4 c1Q 46. Rg2+ Ke3 47. Rg3+ Kf2 48. Rg4 Qc2+ 49. Kf6 Qc4 50. b6 Qe6+ 51. Kg7 f5 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.12"]
[Round "5"]
[White "Rodnikov, George"]
[Black "Wittkowski, Ralf"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1701"]
[PlyCount "59"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 d5 2. d4 dxe4 3. Nc3 Bf5 4. f3 Nf6 5. Bg5 Nbd7 6. Qd2 h6 7. Bxf6 Nxf6 8. 0-0-0 e6 9. Bc4 c6 10. Qe2 exf3 11. Nxf3 Be7 12. h3 b5 13. Nxb5 cxb5 14. Bxb5+ Kf8 15. g4 Be4 16. Rhf1 Qa5 17. Bc4 Rc8 18. Kb1 Qc7 19. Bb3 Bd5 20. Rd3 Bxb3 21. Rxb3 Nd5 22. h4 g5 23. c3 Kg7 24. Qe4 Qf4 25. Qe2 Qe3 26. Qa6 Rc6 27. Qb5 Rb6 28. Qc4 Rc8 29. Re1 Qxe1+ 30. Nxe1 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.11"]
[Round "4"]
[White "Wittkowski, Ralf"]
[Black "Johannsson, Markus Orri"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1701"]
[BlackElo "1969"]
[PlyCount "76"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 g6 6. Bc4 a6 7. 0-0 Bg7 8. Qe2 e6 9. Bg5 Qc7 10. Rfd1 b5 11. Bxb5 axb5 12. Nxb5 Qb6 13. Nd6+ Kf8 14. e5 Ba6 15. Qe1 h6 16. Be3 Qa5 17. Bd2 Qb6 18. a3 Nge7 19. b4 Nxe5 20. Nxe5 Qxd6 21. Bc3 Qc7 22. Nxd7+ Kg8 23. Bxg7 Kxg7 24. Rac1 Qf4 25. g3 Qf3 26. Qe5+ f6 27. Qxe6 Rhe8 28. Nc5 Bc8 29. Nd7 Bb7 30. Kf1 Qg2+ 31. Ke1 Nd5 32. Nc5 Rxe6+ 33. Nxe6+ Kf7 34. Nc5 Re8+ 35. Kd2 Qxf2+ 36. Kd3 Qe2+ 37. Kd4 Nb6 38. Nxb7 Qe3# 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.10"]
[Round "2"]
[White "Deepak Ambattu, Rithvik"]
[Black "Wittkowski, Ralf"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1971"]
[BlackElo "1701"]
[PlyCount "85"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Bg4 4. Bb5+ Nbd7 5. h3 Bh5 6. c4 a6 7. Bxd7+ Qxd7 8. Nc3 e6 9. dxe6 Qxe6+ 10. Qe2 Bxf3 11. Qxe6+ fxe6 12. gxf3 Rd8 13. Ke2 Kf7 14. d3 h6 15. Be3 Be7 16. d4 Rhe8 17. Ne4 b6 18. Rad1 Rd7 19. Rd3 Red8 20. Rhd1 Bf8 21. Nxf6 gxf6 22. Bf4 h5 23. b3 Bb4 24. Bd2 Bf8 25. Bc3 c6 26. Ke3 f5 27. f4 Bg7 28. Kf3 Bf6 29. a4 c5 30. Ke3 Bh4 31. f3 Bf6 32. dxc5 Rxd3+ 33. Rxd3 bxc5 34. Bxf6 Rxd3+ 35. Kxd3 Kxf6 36. a5 h4 37. Kd2 Ke7 38. Kc3 Kd6 39. b4 Kc6 40. Kb3 cxb4 41. Kxb4 Kc7 42. Kc5 Kd7 43. Kb6 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.10"]
[Round "3"]
[White "Wittkowski, Ralf"]
[Black "Toth, Kincso"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1701"]
[BlackElo "1881"]
[PlyCount "84"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. h3 e5 5. Be3 Be7 6. Qd2 c6 7. Bd3 a6 8. f4 Qc7 9. f5 exd4 10. Bxd4 c5 11. Be3 b5 12. Nf3 Bb7 13. g4 b4 14. Na4 Nxe4 15. Bxe4 Bxe4 16. 0-0 Bxf3 17. Rxf3 Qc6 18. Raf1 Qxa4 19. Qd5 Rc8 20. g5 Qc6 21. Qd2 f6 22. g6 hxg6 23. fxg6 Ne5 24. Rg3 Kd7 25. Qf2 Kc7 26. a3 a5 27. axb4 axb4 28. b3 d5 29. Bf4 Bd6 30. Ra1 Ra8 31. Qf1 Rxa1 32. Qxa1 Ra8 33. Qd1 d4 34. Bd2 Qe4 35. Kf2 Ra2 36. Kf1 Qxc2 37. Qxc2 Rxc2 38. Ke1 Kc6 39. h4 Ra2 40. Rh3 Nxg6 41. h5 Nf4 42. Rh2 Nd3+ 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.09"]
[Round "1"]
[White "Wittkowski, Ralf"]
[Black "Wedin, Svante"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1701"]
[BlackElo "1902"]
[PlyCount "39"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 Nf6 4. e5 Nd5 5. Nf3 e6 6. Bc4 Nb6 7. Bb3 d6 8. exd6 Bxd6 9. 0-0 0-0 10. cxd4 Nc6 11. Nc3 e5 12. Bg5 Qd7 13. d5 Ne7 14. Bxe7 Qxe7 15. h3 Bd7 16. Re1 Rfe8 17. Rc1 Qf8 18. Ne4 Kh8 19. Nfg5 Bf5 20. Nxd6 1-0

