[Event "GER Seniors Derby 17th"]
[Site "Wesel Undeloh"]
[Date "2018.03.18"]
[Round "7"]
[White "Sieler, Ralf"]
[Black "Alt, Barbara"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "1492"]
[BlackElo "1508"]
[PlyCount "19"]
[EventDate "2018.03.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 d5 5. cxd5 Nxd5 6. Nc3 Bg4 7. h3 Bh5 8. 0-0 e6 9. Re1 Be7 10. Qb3 1/2-1/2

[Event "GER Seniors Derby 17th"]
[Site "Wesel Undeloh"]
[Date "2018.03.17"]
[Round "6"]
[White "Kabierschke, Wolfgang"]
[Black "Sieler, Ralf"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1982"]
[BlackElo "1492"]
[PlyCount "67"]
[EventDate "2018.03.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Bd3 c5 5. c3 Nc6 6. Nf3 Be7 7. Ne5 Nxe5 8. dxe5 Nd7 9. Nd2 Qb6 10. Rb1 Nb8 11. 0-0 Bd7 12. Qg4 g6 13. Bh6 Nc6 14. Qf4 Bf8 15. Bg5 Bg7 16. Bf6 Bxf6 17. Qxf6 0-0 18. Nf3 Qd8 19. h4 Qxf6 20. exf6 e5 21. Bb5 Rfe8 22. Bxc6 Bxc6 23. g4 d4 24. Nd2 Rad8 25. Rfd1 dxe3 26. fxe3 Rd3 27. Nc4 Be4 28. Rbc1 Red8 29. Rxd3 Rxd3 30. Nxe5 Rxe3 31. Rd1 h6 32. Rd8+ Kh7 33. Nxf7 g5 34. h5 1-0

[Event "GER Seniors Derby 17th"]
[Site "Wesel Undeloh"]
[Date "2018.03.17"]
[Round "5"]
[White "Sieler, Ralf"]
[Black "Skibbe, Peter"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1492"]
[BlackElo "1538"]
[PlyCount "29"]
[EventDate "2018.03.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 e6 5. e3 Nbd7 6. d4 Bb4+ 7. Nbd2 Ne4 8. a3 Nxd2 9. Nxd2 Be7 10. Bd3 0-0 11. 0-0 Qc7 12. Qc2 g6 13. Nf3 Bf6 14. Rfe1 Re8 15. Rac1 1/2-1/2

[Event "GER Seniors Derby 17th"]
[Site "Wesel Undeloh"]
[Date "2018.03.16"]
[Round "4"]
[White "Schirrmacher, Peter"]
[Black "Sieler, Ralf"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "1421"]
[BlackElo "1492"]
[PlyCount "104"]
[EventDate "2018.03.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 e6 3. d4 g6 4. c3 Bg7 5. Be2 b6 6. 0-0 Bb7 7. Bd3 Ne7 8. Bf4 Nd7 9. Re1 e5 10. dxe5 dxe5 11. Bg3 0-0 12. Na3 Nc5 13. Bc2 Nc6 14. b4 Nd7 15. b5 Na5 16. Qe2 Qe7 17. Nc4 Nxc4 18. Qxc4 Qc5 19. Qxc5 bxc5 20. Rad1 Rad8 21. Bb3 h6 22. Bd5 Bxd5 23. Rxd5 f6 24. Red1 Rf7 25. Rxc5 Nxc5 26. Rxd8+ Bf8 27. Nd2 Rd7 28. Rxd7 Nxd7 29. f3 Kf7 30. Nb3 Ke6 31. Bf2 Nb6 32. Kf1 Kd7 33. Na5 Na4 34. c4 Nc3 35. Nc6 Nxa2 36. Nxa7 Nb4 37. Ke2 c6 38. b6 c5 39. Nb5 Kc6 40. Nc3 Kxb6 41. Nd5+ Nxd5 42. exd5 Bd6 43. h3 h5 44. Kd3 f5 45. Bh4 Kc7 46. Bf6 Kd7 47. g4 hxg4 48. hxg4 Ke8 49. gxf5 gxf5 50. Bg5 Kd7 51. Ke3 Ke8 52. Kf2 Kf7 1/2-1/2

[Event "GER Seniors Derby 17th"]
[Site "Wesel Undeloh"]
[Date "2018.03.16"]
[Round "3"]
[White "Sieler, Ralf"]
[Black "Ramminger, Artur"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1492"]
[BlackElo "1132"]
[PlyCount "55"]
[EventDate "2018.03.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 Bb4 4. Qc2 Nf6 5. a3 Bxc3 6. Qxc3 d6 7. d3 h6 8. g3 Be6 9. Bg2 Rb8 10. 0-0 Qd7 11. b4 Bh3 12. Bb2 Bxg2 13. Kxg2 Ne7 14. e4 Ng6 15. Bc1 Nh5 16. d4 Qg4 17. dxe5 Ngf4+ 18. Bxf4 Nxf4+ 19. Kh1 Nh3 20. exd6 cxd6 21. Nd4 0-0 22. f3 Qd7 23. Rad1 Rbc8 24. Nf5 f6 25. Rxd6 Qc7 26. c5 Ng5 27. Rfd1 Kh7 28. Rd7 1-0

[Event "GER Seniors Derby 17th"]
[Site "Wesel Undeloh"]
[Date "2018.03.15"]
[Round "2"]
[White "Meyer, Willfried"]
[Black "Sieler, Ralf"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "1840"]
[BlackElo "1492"]
[PlyCount "33"]
[EventDate "2018.03.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. e4 Bb4 4. Bd3 d5 5. e5 Nfd7 6. Qg4 Bf8 7. Bg5 Be7 8. Be3 g6 9. h4 c5 10. h5 Nxe5 11. dxe5 d4 12. hxg6 dxe3 13. 0-0-0 Nc6 14. Rxh7 Kd7 15. Rxh8 Qxh8 16. g7 Nxe5 17. Qa4+ 1-0

[Event "GER Seniors Derby 17th"]
[Site "Wesel Undeloh"]
[Date "2018.03.15"]
[Round "1"]
[White "Sieler, Ralf"]
[Black "Stahr, Ralf Peter"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1492"]
[BlackElo "2085"]
[PlyCount "80"]
[EventDate "2018.03.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 Nf6 4. Bg2 d5 5. cxd5 Nxd5 6. 0-0 e5 7. Nc3 Nc7 8. b3 Be7 9. Bb2 0-0 10. Qc2 Be6 11. Rad1 Rc8 12. Ne4 Nb4 13. Qb1 f5 14. Nc3 e4 15. Ne1 Bf6 16. Nc2 Nc6 17. f3 exf3 18. Bxf3 Qd6 19. Ne3 b5 20. Bg2 Nd4 21. Bh3 b4 22. Nxf5 Bxf5 23. Bxf5 bxc3 24. Bxh7+ Kh8 25. dxc3 Nxe2+ 26. Kh1 Qe5 27. Rf5 Nxg3+ 28. hxg3 Qxg3 29. Qc2 Be5 30. Rdf1 Rxf5 31. Bxf5 Rf8 32. Qg2 Qh4+ 33. Bh3 Rxf1+ 34. Qxf1 Ne6 35. a4 Nf4 36. Qf3 Nxh3 37. Qf8+ Kh7 38. Qf5+ g6 39. Qxe5 Nf4+ 40. Kg1 Qg3+ 0-1

