[Event "FIN-ch U18"]
[Site "Vantaa"]
[Date "1991.??.??"]
[Round "?"]
[White "Kallio, Heikki"]
[Black "Sontag, S."]
[Result "1-0"]
[ECO "C50"]
[PlyCount "97"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. b3 Ng4 7. 0-0 0-0 8. h3 Na5 9. hxg4 Nxc4 10. dxc4 Bxg4 11. Qd3 Bxf3 12. Qxf3 Bd4 13. Bb2 Bxc3 14. Bxc3 Qg5 15. Qg3 Qf6 16. Qg4 Rae8 17. f4 Qh6 18. Rf3 d5 19. exd5 Qb6+ 20. Kf1 f6 21. f5 Rd8 22. Bd2 Rf7 23. Rg3 c6 24. Bh6 Rdd7 25. Be3 Qb4 26. dxc6 bxc6 27. a4 Qc3 28. Rc1 Qa5 29. Qe2 Qd8 30. Ke1 Qc7 31. Bf2 Qc8 32. Rd3 Rde7 33. Qe4 Qc7 34. Rcd1 Rf8 35. Rd6 Rff7 36. Rxc6 Qa5+ 37. Kf1 Rd7 38. Rc8+ Rf8 39. Rxf8+ Kxf8 40. Rxd7 Ke8 41. Rxa7 Qd8 42. Ra8 Qxa8 43. Qxa8+ Kf7 44. Qb7+ Kg8 45. Qe7 h5 46. a5 g5 47. fxg6 e4 48. Qf7+ Kh8 49. Qh7# 1-0

[Event "FIN-ch U18"]
[Site "Vantaa"]
[Date "1991.??.??"]
[Round "?"]
[White "Sontag, S."]
[Black "Eriksson, Sven"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "112"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Bc4 Nf6 7. 0-0 Be7 8. Bg5 0-0 9. c3 h6 10. Bxf6 Bxf6 11. Qe3 Re8 12. Nd2 Bg5 13. Qd3 Bxd2 14. Qxd2 Rxe4 15. Bd5 Re8 16. Qf4 Qe7 17. Rae1 Qd7 18. Re3 Rxe3 19. fxe3 c6 20. Bxf7+ Kh8 21. Bg6 Qe6 22. Bf7 Qe7 23. Bg6 Bd7 24. Bd3 g5 25. Qd4+ Qe5 26. Qb4 Qxe3+ 27. Rf2 Qxd3 28. Rf3 Qb5 29. Qxd6 Qb6+ 30. Kh1 c5 31. Qxd7 Rd8 32. Qf5 Rd1+ 33. Rf1 Rxf1+ 34. Qxf1 Qxb2 35. Qf6+ Kg8 36. Qg6+ Kf8 37. Qxh6+ Ke8 38. Qe6+ Kf8 39. Qf5+ Kg7 40. Qxg5+ Kh8 41. Qe5+ Kg8 42. h3 Qxa2 43. Qxc5 Qb1+ 44. Kh2 a6 45. Qc8+ Kg7 46. Qg4+ Qg6 47. Qd7+ Qf7 48. Qd4+ Qf6 49. Qb4 Qf7 50. g4 Qf2+ 51. Kh1 Qf7 52. Qd4+ Qf6 53. Qxf6+ Kxf6 54. h4 a5 55. Kg1 a4 56. Kf1 a3 0-1

[Event "FIN-ch U18"]
[Site "Vantaa"]
[Date "1991.??.??"]
[Round "?"]
[White "Sontag, S."]
[Black "Lehtinen, Antti"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "34"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Ng5 0-0 6. Qf3 Nd4 7. Qg3 Nxc2+ 8. Kd1 Nxa1 9. Nxf7 Rxf7 10. Bh6 g6 11. Qh3 d5 12. Qh4 dxc4 13. Bg5 Qxd3+ 14. Nd2 Bb4 15. a3 Bxd2 16. Bxd2 Nxe4 17. Kc1 Qc2# 0-1

[Event "JUG corr"]
[Site "Yugoslavia"]
[Date "1989.??.??"]
[Round "?"]
[White "Faganel, Ernest"]
[Black "Sontag, S."]
[Result "1-0"]
[ECO "A73"]
[PlyCount "45"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "YUG"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 0-0 9. 0-0 Na6 10. h3 Nc7 11. Bf4 b5 12. Qc2 Rb8 13. a3 Re8 14. Nd2 a5 15. Rfe1 Qe7 16. a4 b4 17. Nb5 Rd8 18. e5 Nxb5 19. Bxb5 Nxd5 20. exd6 Qb7 21. Bg3 Bd7 22. Bxd7 Rxd7 23. Nb3 1-0

