| Game | Result | Moves | Year | Event | ECO | Opening | |
|---|---|---|---|---|---|---|---|
| Igor Efimov vs Alexander Grischuk | 0-1 | 37 | 1999 | Porto San Giorgio op | A84 | Bird's Opening |  Browse |
| Miguel Illescas Cordoba vs Igor Efimov | 0-1 | 51 | 1999 | Eu Team Ch | D31 | Reti Opening | Browse |
| Vassily Ivanchuk vs Igor Efimov | ½-½ | 16 | 1999 | Eu Team Ch | A42 | Robatsch (Modern) defence | Browse |
| Michal Krasenkow vs Igor Efimov | 1-0 | 29 | 1999 | Leonardo di Bono mem | D46 | QGD Slav defence | Browse |
| Smbat Lputian vs Igor Efimov | ½-½ | 10 | 1999 | Reggio Emilia 41th | D79 | Reti King's Indian attack | Browse |
| Igor Efimov vs Vadim Milov | 0-1 | 39 | 1999 | Eu Team Ch | A45 | King's pawn Opening | Browse |
| Predrag Nikolic vs Igor Efimov | ½-½ | 61 | 1999 | Eu Team Ch | E10 | Dzindzikhashvili defence | Browse |
| Igor Efimov vs Loek Van Wely | 0-1 | 67 | 1999 | Eu Team Ch | D30 | Queen's gambit declined | Browse |
| Leonid Yudasin vs Igor Efimov | 1-0 | 42 | 1999 | Capodanno | C76 | Ruy Lopez Fianchetto defence deferred | Browse |
