| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. L C Gilden vs Christiansen |
| 0-1 | 51 |
1972 |
Lone Pine | B35 Sicilian, Accelerated Fianchetto, Modern Variation with Bc4 |
| 2. J Peterson vs Christiansen |
| 0-1 | 37 |
1973 |
USA-ch jr | B22 Sicilian, Alapin |
| 3. Beliavsky vs Christiansen |
| 1-0 | 42 |
1973 |
Wch U20 prel-A | B34 Sicilian, Accelerated Fianchetto |
| 4. D Botto vs Christiansen |
 | 0-1 | 22 |
1975 |
Buenos Aires jr | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 5. Tosan Felipe vs Christiansen |
 | 0-1 | 20 |
1975 |
Buenos Aires | B24 Sicilian, Closed |
| 6. J Villarreal vs Christiansen |
| 1-0 | 49 |
1975 |
Buenos Aires | B23 Sicilian, Closed |
| 7. M Sisniega vs Christiansen |
| 0-1 | 46 |
1976 |
Lone Pine (USA) | B30 Sicilian |
| 8. Zuckerman vs Christiansen |
| ½-½ | 60 |
1977 |
Ch USA | B27 Sicilian |
| 9. Soltis vs Christiansen |
| ½-½ | 25 |
1977 |
Ch USA | B46 Sicilian, Taimanov Variation |
| 10. Shamkovich vs Christiansen |
| 1-0 | 31 |
1977 |
Ch USA | B50 Sicilian |
| 11. R Hartoch vs Christiansen |
| ½-½ | 39 |
1977 |
Wijk aan Zee II | B26 Sicilian, Closed, 6.Be3 |
| 12. C Jones vs Christiansen |
| 0-1 | 20 |
1977 |
Golden Gate op | B27 Sicilian |
| 13. R Jamieson vs Christiansen |
| 0-1 | 29 |
1977 |
Wijk aan Zee II | B30 Sicilian |
| 14. Fedorowicz vs Christiansen |
 | 1-0 | 85 |
1977 |
Ch USA | B32 Sicilian |
| 15. A J Mestel vs Christiansen |
| 1-0 | 36 |
1978 |
Hastings (England) | B56 Sicilian |
| 16. Soltis vs Christiansen |
| 1-0 | 45 |
1978 |
USA ch [Soltis,A | B41 Sicilian, Kan |
| 17. A Balshan vs Christiansen |
| 1-0 | 36 |
1978 |
Amsterdam IBM II | B30 Sicilian |
| 18. N Weinstein vs Christiansen |
| 1-0 | 26 |
1978 |
USA 25/373 | B42 Sicilian, Kan |
| 19. A Lein vs Christiansen |
| ½-½ | 33 |
1978 |
Pasadena ch-USA | B83 Sicilian |
| 20. Filguth vs Christiansen |
| 0-1 | 34 |
1978 |
Lone Pine (USA) | B30 Sicilian |
| 21. J A Gutierrez vs Christiansen |
| 0-1 | 47 |
1979 |
Cienfuegos Cap mem | B57 Sicilian |
| 22. Janosevic vs Christiansen |
| ½-½ | 23 |
1979 |
Lone Pine (USA) | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 23. Chandler vs Christiansen |
| ½-½ | 32 |
1979 |
Lone Pine (USA) | B22 Sicilian, Alapin |
| 24. G Estevez-Morales vs Christiansen |
| 0-1 | 22 |
1979 |
Havana | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 25. Shamkovich vs Christiansen |
| ½-½ | 43 |
1980 |
Ch USA | B62 Sicilian, Richter-Rauzer |