[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "1"]
[White "Ivkov, Borislav"]
[Black "Keller, Dieter"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "55"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. Nxe5 Nxe5 6. d4 c6 7. dxe5 Nxe4 8.
Bd3 d5 9. exd6 Nf6 10. Bg5 h6 11. Re1+ Be6 12. Rxe6+ fxe6 13. Bxf6 Bxf2+ 14.
Kxf2 Qxf6+ 15. Kg1 Qxb2 16. Nd2 Qd4+ 17. Kh1 Qxd6 18. Qh5+ Kd8 19. Nc4 Qe7 20.
Rb1 Rb8 21. Ne5 Kc8 22. Ng6 Qf7 23. Rf1 Qe8 24. Qe5 Rg8 25. Bc4 b5 26. Bxe6+
Kb7 27. Rf7+ Kb6 28. Qc7+ 1-0

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "2"]
[White "Keller, Dieter"]
[Black "Darga, Klaus"]
[Result "0-1"]
[ECO "C47"]
[PlyCount "78"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 d6 6. Nxd4 Be7 7. Bb5 Bd7 8.
Bxc6 bxc6 9. Nb4 c5 10. Ndc6 Bxc6 11. Nxc6 Qd7 12. Nxe7 Qxe7 13. O-O O-O 14.
Re1 Rfe8 15. Bd2 Qe6 16. Bc3 Nxe4 17. Qd3 Qg6 18. Qb5 d5 19. f3 c6 20. Qe2 Nd6
21. Qa6 Nb5 22. a4 Nxc3 23. bxc3 h5 24. Re2 Re6 25. Rae1 Rae8 26. Kf2 Rxe2+ 27.
Rxe2 Rxe2+ 28. Qxe2 Qe6 29. Qd3 Qe5 30. g3 c4 31. Qd4 Qxd4+ 32. cxd4 Kf8 33. g4
hxg4 34. fxg4 g5 35. Kg3 Ke7 36. h4 gxh4+ 37. Kxh4 c5 38. dxc5 d4 39. Kg3 d3
0-1

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "7"]
[White "Keller, Dieter"]
[Black "Panno, Oscar"]
[Result "1/2-1/2"]
[ECO "B51"]
[PlyCount "80"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 a6 5. Bxd7+ Bxd7 6. O-O cxd4 7. Nxd4 Nf6
8. f3 e6 9. c4 b5 10. cxb5 axb5 11. Qd3 Be7 12. Be3 Rb8 13. Rc1 O-O 14. Nd2 e5
15. Nc6 Bxc6 16. Rxc6 d5 17. exd5 Nxd5 18. Bc5 Nf4 19. Qxd8 Bxc5+ 20. Rxc5
Rfxd8 21. Ne4 f6 22. Rc2 Rd4 23. Nc5 h5 24. Rac1 Ra8 25. g3 Nd5 26. Nb3 Rc4 27.
Rxc4 bxc4 28. Nd2 c3 29. bxc3 Rxa2 30. Ne4 Ne7 31. Nf2 Kf7 32. Nd3 Rd2 33. Nb4
Rb2 34. Rc2 Rb3 35. Kf2 Ke6 36. Ke3 Ra3 37. Kd3 Ra7 38. Kc4 Rc7+ 39. Kb5 Nc8
40. Nd3 Nd6+ 1/2-1/2

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "4"]
[White "Keller, Dieter"]
[Black "Penrose, Jonathan"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "127"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nf3 Bg4 7. Be2 Be7 8.
O-O O-O 9. Be3 c6 10. b3 Na6 11. Nc3 Nc7 12. h3 Bh5 13. a4 a5 14. d5 Na6 15.
dxc6 bxc6 16. Nd4 Bxe2 17. Qxe2 Rc8 18. Rac1 Re8 19. Nf5 Bf8 20. Qg4 Re6 21.
Nh6+ Rxh6 22. Bxh6 Nd7 23. Bg5 Qc7 24. Ne4 Rb8 25. Rc3 Kh8 26. Rg3 Ne5 27. Qd1
f5 28. Nd2 Nc5 29. Qc2 Qf7 30. f4 Ng6 31. h4 h6 32. h5 Ne7 33. Bxe7 Bxe7 34.
Qc3 Bf6 35. Qf3 Bd4+ 36. Kh1 Re8 37. Rg6 Qd7 38. Qd1 Nd3 39. Nf3 Nf2+ 40. Rxf2
Bxf2 41. Rxd6 Qe7 42. Kh2 c5 43. Rd5 Qe4 44. g3 Bd4 45. Nh4 Qe3 46. Nxf5 Qf2+
47. Kh3 Bf6 48. Rd2 Re1 49. Rxf2 Rxd1 50. Re2 Rd8 51. Re6 Rb8 52. Nxh6 Rxb3 53.
Re8+ Kh7 54. Nf7 g6 55. hxg6+ Kxg6 56. Ne5+ Kg7 57. Nd7 Bd4 58. f5 Rc3 59. Re4
Rf3 60. Kg4 Rc3 61. Re7+ Kh8 62. f6 Bxf6 63. Nxf6 Rxg3+ 64. Kf5 1-0

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "3"]
[White "Larsen, Bent"]
[Black "Keller, Dieter"]
[Result "1-0"]
[ECO "B74"]
[PlyCount "81"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Nb3 g6 7. Be2 Bg7 8.
O-O O-O 9. f4 a5 10. a4 Be6 11. Be3 Qc8 12. Kh1 Nb4 13. Bf3 Nd7 14. Nd4 Bc4 15.
Re1 Nc5 16. Nd5 Qd8 17. b3 Ba6 18. Qd2 e5 19. fxe5 dxe5 20. Nb5 Nxd5 21. Bxc5
Nf4 22. Qxd8 Rfxd8 23. Nc7 Rac8 24. Bb6 Rd7 25. Nxa6 bxa6 26. Bg4 f5 27. exf5
h5 28. Be2 e4 29. Rad1 Rxd1 30. Bxd1 Bc3 31. Rxe4 Nd5 32. Bf2 gxf5 33. Rc4 Rd8
34. Bxh5 Bb4 35. Bd4 f4 36. c3 Be7 37. Rc6 Rb8 38. Rh6 Bf6 39. Bxf6 Nxf6 40.
Rxf6 Rxb3 41. Bf7+ 1-0

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "6"]
[White "Olafsson, Fridrik"]
[Black "Keller, Dieter"]
[Result "1-0"]
[ECO "E54"]
[PlyCount "43"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O cxd4 8. exd4
dxc4 9. Bxc4 a6 10. Bg5 Nbd7 11. Qe2 h6 12. Bh4 b5 13. Bb3 Be7 14. Rad1 Re8 15.
Ne5 Bb7 16. Nxf7 Qb6 17. Ne5 Nxe5 18. dxe5 Qc6 19. f3 Bc5+ 20. Kh1 Nd7 21. Ne4
g5 22. Rxd7 1-0

[Event "Wch U20 final-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "5"]
[White "Sherwin, James T"]
[Black "Keller, Dieter"]
[Result "0-1"]
[ECO "E54"]
[PlyCount "75"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 d5 6. Nf3 O-O 7. O-O cxd4 8. exd4
dxc4 9. Bxc4 a6 10. Qd3 Nbd7 11. a3 Bxc3 12. bxc3 b5 13. Ba2 Bb7 14. Re1 Be4
15. Qe2 h6 16. Ne5 Nb6 17. Bd2 Rc8 18. g4 Bd5 19. Bb1 Nc4 20. Bf4 Bb7 21. g5
Qd5 22. f3 hxg5 23. Bxg5 Nxe5 24. dxe5 Nd7 25. Be4 Qxe5 26. Bxb7 Qxg5+ 27. Kh1
Rb8 28. Rg1 Qe5 29. Be4 f5 30. Qd2 fxe4 31. Qxd7 Rf7 32. Qc6 exf3 33. Rae1 Qh5
34. Rxe6 f2 35. Rf1 Qh3 36. Re8+ Rxe8 37. Qxe8+ Rf8 38. Qe6+ 0-1

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "5"]
[White "Keller, Dieter"]
[Black "Ivkov, Borislav"]
[Result "0-1"]
[ECO "E86"]
[PlyCount "54"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. Nge2 O-O 7. Be3 c6 8. Qd2 a6
9. O-O-O Qa5 10. g4 b5 11. dxe5 dxe5 12. Bc5 Re8 13. a3 Be6 14. Ng3 Nfd7 15.
Be3 bxc4 16. Nf5 Nc5 17. Qf2 Nbd7 18. Nxg7 Kxg7 19. Qh4 Rab8 20. Qf2 Rb3 21.
Nd5 cxd5 22. exd5 c3 23. Bc4 Rxb2 24. Rd2 cxd2+ 25. Kxb2 Rb8+ 26. Kc2 Qa4+ 27.
Kxd2 Rb2+ 0-1

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "2"]
[White "Keller, Dieter"]
[Black "Reichel, Ewald"]
[Result "1/2-1/2"]
[ECO "E37"]
[PlyCount "52"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8.
dxc5 Nc6 9. Nf3 Qa5+ 10. Bd2 Qxc5 11. e3 Nxd2 12. Nxd2 O-O 13. b4 Qe7 14. Bd3
h6 15. cxd5 exd5 16. O-O Ne5 17. Rae1 Be6 18. Qb1 Rac8 19. Bc2 Nc4 20. Nxc4
dxc4 21. f4 f5 22. e4 Qf6 23. a4 Rcd8 24. e5 Qh4 25. Bd1 Rd2 26. Re2 Rfd8
1/2-1/2

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "9"]
[White "Keller, Dieter"]
[Black "Barda, Yngvar"]
[Result "1-0"]
[ECO "A51"]
[PlyCount "49"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nf3 Bb4+ 5. Bd2 Nxd2 6. Nbxd2 d5 7. exd6 c5
8. e3 Bg4 9. h3 Bf5 10. a3 Ba5 11. b4 cxb4 12. Nd4 Bd7 13. Qb1 Na6 14. Qe4+ Kf8
15. axb4 Nxb4 16. Rxa5 Qxa5 17. Qe7+ Kg8 18. Qxd7 Na6 19. N4b3 Qb4 20. Be2 g6
21. Bf3 Kg7 22. Bd5 Rhf8 23. Qxb7 Nc5 24. Qxb4 Nd3+ 25. Ke2 1-0

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "7"]
[White "Keller, Dieter"]
[Black "Boey, Josef Martin"]
[Result "0-1"]
[ECO "B65"]
[PlyCount "82"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. f4 Nxd4 10. Qxd4 Qa5 11. e5 dxe5 12. fxe5 Rd8 13. Qf4 Rxd1+ 14.
Kxd1 Nd5 15. Nxd5 Qxd5+ 16. Bd3 Bxg5 17. Qxg5 f5 18. Re1 Bd7 19. Qd2 Bc6 20. g4
fxg4 21. c4 Qg2 22. Qxg2 Bxg2 23. Be4 Rd8+ 24. Kc2 Bxe4+ 25. Rxe4 h5 26. b4 Kf7
27. a4 Kg6 28. Rf4 Rd7 29. Kc3 Kg5 30. Rf1 h4 31. c5 g3 32. hxg3 hxg3 33. b5
Kg4 34. Kc4 Rc7 35. a5 g2 36. Rd1 Kg3 37. c6 bxc6 38. b6 axb6 39. axb6 Rf7 40.
Kc5 Rf1 41. Rd7 g1=Q+ 0-1

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "4"]
[White "Mellberg, B."]
[Black "Keller, Dieter"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "66"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Be2 Qc7 8. O-O
Be7 9. Be3 O-O 10. Qe1 b5 11. Bf3 Bb7 12. e5 Ne8 13. Qg3 Nd7 14. Bxb7 Qxb7 15.
Rad1 Nb6 16. Nf3 Rc8 17. Ng5 h6 18. Nge4 d5 19. f5 exf5 20. Nf6+ Nxf6 21. exf6
Bxf6 22. Rxf5 Bxc3 23. bxc3 Rc6 24. Bd4 Rg6 25. Qf2 Nc4 26. Rf1 Nd6 27. Re5 Ne4
28. Qh4 Qc6 29. Qh3 Qc4 30. Qe3 b4 31. Re7 bxc3 32. Qd3 Nd2 33. Rfe1 Qxd3 0-1

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "8"]
[White "Olafsson, Fridrik"]
[Black "Keller, Dieter"]
[Result "1-0"]
[ECO "E49"]
[PlyCount "69"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 exd5 8.
Bd3 O-O 9. Ne2 b6 10. O-O Ba6 11. f3 Bxd3 12. Qxd3 Re8 13. Ng3 Nc6 14. Bb2 c4
15. Qe2 h5 16. Rae1 g6 17. Nh1 Na5 18. Nf2 Re6 19. e4 dxe4 20. fxe4 Qe7 21. e5
Nd5 22. Qf3 Rd8 23. Ne4 Nb7 24. Bc1 Rd7 25. Ng5 Rc6 26. e6 fxe6 27. Nxe6 Qf7
28. Qh3 Rxe6 29. Rxe6 Qg7 30. Rxg6 Qxg6 31. Qxd7 Nd6 32. Qd8+ Kh7 33. Rf8 Qe6
34. Rh8+ Kg7 35. Qf8+ 1-0

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "6"]
[White "Panno, Oscar"]
[Black "Keller, Dieter"]
[Result "0-1"]
[ECO "E16"]
[PlyCount "102"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 O-O 8. O-O
d5 9. cxd5 exd5 10. Qb3 Nc6 11. Rad1 Na5 12. Qc2 Nc4 13. Bf4 Nd6 14. Ne5 c6 15.
Rc1 Nh5 16. Bd2 f5 17. e3 g5 18. Ne2 Rc8 19. Rfd1 Qe8 20. Qb3 Kh8 21. f3 Ba6
22. Re1 Nc4 23. Nxc4 Bxc4 24. Qc2 Qd7 25. Bc3 f4 26. exf4 gxf4 27. g4 Ng7 28.
b3 Ba6 29. Qd2 Bh4 30. Nxf4 Bxe1 31. Rxe1 Qf7 32. Nh3 Rfe8 33. Re5 Qg6 34. Qe3
Rxe5 35. dxe5 c5 36. Qe1 d4 37. Bd2 Ne6 38. a4 Bb7 39. Qe2 d3 40. Qe3 Nd4 41.
Ng5 h6 42. Ne4 Bxe4 43. fxe4 Qxg4 44. h3 Qg6 45. Kh1 Rg8 46. Qxh6+ Qxh6 47.
Bxh6 Nxb3 48. Bf3 Rg3 49. Bd1 Rxh3+ 50. Kg2 Rxh6 51. Bxb3 d2 0-1

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "3"]
[White "Persitz, Raaphi"]
[Black "Keller, Dieter"]
[Result "1-0"]
[ECO "E48"]
[PlyCount "59"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 exd5 7. a3 Bd6 8.
Nge2 Bg4 9. Qc2 Bh5 10. Ng3 Bg6 11. Nf5 c6 12. Ne2 Bc7 13. O-O Re8 14. f3 Nbd7
15. Neg3 Qb8 16. Qf2 c5 17. dxc5 Nxc5 18. Bc2 Bxf5 19. Nxf5 Bxh2+ 20. Kh1 Be5
21. g4 g6 22. Nh6+ Kg7 23. g5 Ng8 24. f4 Bd6 25. b4 Ne6 26. Bb2+ Kf8 27. Qh4
Nxh6 28. Qxh6+ Kg8 29. Rf3 Bf8 30. Qxh7+ 1-0

[Event "Wch U20 qual-A"]
[Site "Copenhagen"]
[Date "1953.??.??"]
[Round "1"]
[White "Siemms, Ross"]
[Black "Keller, Dieter"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "88"]
[EventDate "1953.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]

1. e4 c5 2. Nf3 d6 3. b4 cxb4 4. a3 bxa3 5. Bxa3 Nc6 6. Bc4 Nf6 7. d3 e6 8. O-O
Be7 9. Nc3 a6 10. Ne2 O-O 11. Ng3 d5 12. Bxe7 Qxe7 13. exd5 exd5 14. Re1 Qc5
15. Bb3 Bg4 16. h3 Bxf3 17. Qxf3 Nd4 18. Qd1 Rfe8 19. Ne2 Nxe2+ 20. Rxe2 Qc3
21. Qe1 Qxe1+ 22. Raxe1 Rxe2 23. Rxe2 Kf8 24. g4 a5 25. g5 Nh5 26. Bxd5 Nf4 27.
Re5 Nxd5 28. Rxd5 a4 29. Rb5 a3 30. Rb1 a2 31. Ra1 Ke7 32. g6 hxg6 33. Kf1 Kd6
34. Ke2 Kc5 35. c3 b5 36. Kd2 b4 37. h4 bxc3+ 38. Kxc3 Ra3+ 39. Kb2 Kb4 40. Kc2
f6 41. f3 g5 42. hxg5 fxg5 43. Kb2 Rb3+ 44. Kxa2 Ra3+ 0-1

[Event "12th olm final A"]
[Site "Moscow"]
[Date "1956.09.12"]
[Round "3.4"]
[White "Enevoldsen, Jens"]
[Black "Keller, Dieter"]
[Result "1/2-1/2"]
[ECO "E15"]
[PlyCount "37"]
[EventDate "1956.08.31"]
[WhiteTeam "Denmark"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "SUI"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 c6 6. Bg2 d5 7. cxd5 cxd5 8. O-O
Be7 9. Nc3 O-O 10. Ne5 Qc8 11. Bg5 h6 12. Bxf6 Bxf6 13. f4 Nc6 14. Nxc6 Qxc6
15. Qd2 b5 16. Rfc1 Qb6 17. e3 Bb7 18. Bf1 Bc6 19. Nd1 1/2-1/2