| page 1 of 2; games 1-25 of 41 |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Christiansen vs Browne |
| ½-½ | 50 |
1972 |
Lone Pine | A37 English, Symmetrical |
| 2. Christiansen vs Beliavsky |
| 0-1 | 34 |
1973 |
Teesside (England) | A30 English, Symmetrical |
| 3. Christiansen vs P Cleghorn |
 | 1-0 | 16 |
1976 |
Lone Pine (USA) | A34 English, Symmetrical |
| 4. Christiansen vs Gheorghiu |
 | 1-0 | 41 |
1977 |
Torremolinos (Spain) | A30 English, Symmetrical |
| 5. Christiansen vs B Leverett |
| 1-0 | 29 |
1977 |
Columbus op | A33 English, Symmetrical |
| 6. Christiansen vs H Olafsson |
| 0-1 | 37 |
1978 |
Lone Pine (USA) | A34 English, Symmetrical |
| 7. Christiansen vs G Botterill |
 | 1-0 | 70 |
1978 |
Hastings | A34 English, Symmetrical |
| 8. Christiansen vs F Borm |
| 1-0 | 37 |
1978 |
Amsterdam IBM II | A30 English, Symmetrical |
| 9. Christiansen vs Seirawan |
| ½-½ | 13 |
1979 |
Hastings | A30 English, Symmetrical |
| 10. Christiansen vs S Garcia-Martinez |
| ½-½ | 54 |
1979 |
Cienfuegos Cap mem | A30 English, Symmetrical |
| 11. Christiansen vs Ulf Andersson |
| 0-1 | 40 |
1979 |
Hastings (England) | A30 English, Symmetrical |
| 12. Christiansen vs J Gonzales |
| 1-0 | 36 |
1980 |
Olympiad | A34 English, Symmetrical |
| 13. Christiansen vs B Rind |
| 0-1 | 53 |
1980 |
Lone Pine | A30 English, Symmetrical |
| 14. Christiansen vs Short |
| ½-½ | 34 |
1981 |
Hastings (England) | A30 English, Symmetrical |
| 15. Christiansen vs I Radulov |
| 1-0 | 47 |
1982 |
Surakarta/Denpasar 33/68 | A33 English, Symmetrical |
| 16. Christiansen vs K J Schulz |
| 1-0 | 52 |
1988 |
Cologne (Germany) | A33 English, Symmetrical |
| 17. Christiansen vs J Donaldson |
| 1-0 | 23 |
1989 |
New York (USA) | A30 English, Symmetrical |
| 18. Christiansen vs Tolnai |
| 1-0 | 28 |
1989 |
Luzern | A33 English, Symmetrical |
| 19. Christiansen vs J Peters |
| 1-0 | 44 |
1989 |
It (open) | A30 English, Symmetrical |
| 20. Christiansen vs S Gross |
| 1-0 | 37 |
1990 |
BL 8990 ;BL | A30 English, Symmetrical |
| 21. Christiansen vs J Bonin |
| 1-0 | 20 |
1990 |
USA Nassau op | A30 English, Symmetrical |
| 22. Christiansen vs V McCambridge |
| 0-1 | 40 |
1990 |
National | A33 English, Symmetrical |
| 23. Christiansen vs Y Dokhoian |
| 1-0 | 58 |
1992 |
BL 9192 ;BL | A33 English, Symmetrical |
| 24. Christiansen vs D Rajkovic |
| ½-½ | 38 |
1992 |
BL 9192 ;BL | A30 English, Symmetrical |
| 25. Christiansen vs A Pekarek |
| 0-1 | 66 |
1993 |
BL 9293 ;BL | A30 English, Symmetrical |
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| page 1 of 2; games 1-25 of 41 |
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