[Event "Match Kostic-Wiarda +5-0=3"]
[Site "Cologne"]
[Date "1911.04.15"]
[Round "8"]
[White "Wiarda, Georg"]
[Black "Kostic, Boris"]
[Result "0-1"]
[ECO "C49"]
[PlyCount "48"]
[EventDate "1911.??.??"]
[EventType "match"]
[EventRounds "8"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. d3 Nd4 7. Bc4 c6 8. Bg5 d5 9. exd5 Bg4 10. dxc6 Qc8 11. Bxf6 Bxf3 12. gxf3 Qh3 13. cxb7 Rae8 14. Bd5 e4 15. b8Q Rxb8 16. Bxd4 Bd6 17. Re1 Bxh2+ 18. Kh1 Be5+ 19. Kg1 Bxd4 20. Rxe4 Rb6 21. Qf1 Qxf3 22. Re6 Qg4+ 23. Qg2 Qxg2+ 24. Bxg2 fxe6 0-1

[Event "DSB Kongress-16 Hauptturnier A"]
[Site "Duesseldorf"]
[Date "1908.08.15"]
[Round "12"]
[White "Koehnlein, Friedrich"]
[Black "Wiarda, Georg"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "73"]
[EventDate "1908.08.03"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d3 Bg4 6. h3 Bxf3 7. Qxf3 Nf6 8. Nc3 Qd6 9. 0-0 Be7 10. Qe2 0-0-0 11. f4 Nd7 12. fxe5 Nxe5 13. Bf4 f6 14. Kh1 Qe6 15. Qf2 Kb8 16. d4 Nf7 17. Bh2 Nd6 18. Rfe1 Nc8 19. a3 Rd7 20. Rad1 Rhd8 21. Bg1 Qf7 22. Qf1 Qh5 23. b4 Bd6 24. Na4 Bg3 25. Re3 Qh4 26. Nc5 Re7 27. a4 Bf4 28. Ra3 Nd6 29. b5 cxb5 30. axb5 Nxb5 31. Rxa6 bxa6 32. Nxa6+ Kc8 33. Qxb5 Bd6 34. e5 fxe5 35. Qc6 Bb4 36. Nc5 Bxc5 37. Ra1 1-0

[Event "DSB Kongress-16 Hauptturnier A"]
[Site "Duesseldorf"]
[Date "1908.08.12"]
[Round "9"]
[White "Wiarda, Georg"]
[Black "Alekhine, Alexander"]
[Result "1-0"]
[ECO "C63"]
[PlyCount "142"]
[EventDate "1908.08.03"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[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 Qg5 8. Nd4+ c6 9. Bf1 Nf6 10. d3 Qg6 11. Be3 Be7 12. Qd2 Qf7 13. Be2 0-0 14. 0-0 c5 15. Nb5 Bf5 16. f3 exd3 17. Bxd3 Rad8 18. Qe2 Bxd3 19. cxd3 a6 20. Nc3 Rfe8 21. Ne4 Qh5 22. Qc2 b6 23. Rad1 Nd5 24. Bf2 Bd6 25. Nxd6 Rxd6 26. Rfe1 Rf8 27. Bg3 Rg6 28. Re5 Rg5 29. Rde1 Kh8 30. Rxg5 Qxg5 31. Re5 Qd8 32. a3 Ne7 33. Qc4 Nc6 34. Rd5 Qc8 35. Rd6 Re8 36. Qf7 Rd8 37. Qe6 Qxe6 38. Rxe6 Rc8 39. Bc7 Nd4 40. Rxb6 Kg8 41. Rb8 Rxb8 42. Bxb8 Kf7 43. Be5 Nb3 44. Kf2 g6 45. Bc3 Ke6 46. Ke3 Kd5 47. g3 Nc1 48. f4 Ke6 49. Kd2 Nb3+ 50. Ke3 Kf5 51. h3 h5 52. d4 cxd4+ 53. Bxd4 Na5 54. Bc3 Nb3 55. Kd3 h4 56. Kc4 Nc1 57. gxh4 Ne2 58. Be5 Nxf4 59. Bxf4 Kxf4 60. b4 Kg3 61. a4 Kxh4 62. b5 axb5+ 63. axb5 Kxh3 64. b6 g5 65. b7 g4 66. b8Q g3 67. Qh8+ Kg2 68. Kd3 Kg1 69. Ke2 g2 70. Qd4+ Kh1 71. Qh4+ Kg1 1-0

[Event "DSB Kongress-16 Hauptturnier A"]
[Site "Duesseldorf"]
[Date "1908.08.08"]
[Round "6"]
[White "Lasker, Edward"]
[Black "Wiarda, Georg"]
[Result "1-0"]
[ECO "C49"]
[PlyCount "81"]
[EventDate "1908.08.03"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. 0-0 0-0 6. d3 d6 7. Bg5 Ne7 8. Nh4 c6 9. Bc4 Bc5 10. Kh1 Kh8 11. f4 Neg8 12. fxe5 dxe5 13. Nf5 Qc7 14. Qf3 Ne8 15. Qg3 f6 16. Bd2 Nd6 17. Nxd6 Bxd6 18. Rf3 Ne7 19. Qh4 Ng6 20. Qh5 Qe7 21. g4 Nf4 22. Bxf4 g6 23. Qh3 exf4 24. Ne2 g5 25. Nd4 Be5 26. Ne2 Bxb2 27. Rb1 Ba3 28. Qh5 b6 29. Rh3 Bd7 30. Nd4 Be8 31. Qh6 Bd7 32. Ne6 b5 33. e5 bxc4 34. Nxf8 Rxf8 35. exf6 Qf7 36. dxc4 Bc5 37. Rb7 Bf5 38. Qg7+ Qxg7 39. fxg7+ Kg8 40. gxf8Q+ Bxf8 41. gxf5 1-0

