| # | Date | Place | Games | Winner C | Winner PC | Remark |
| 1 | 3-7 Aug. 1992 | London GBR | - | GNU 3.1 | MChess | - |
| 2 | 2-6 Aug. 1993 | London GBR | - | GNU 3.1 | Hiarcs | - |
| 3 | 1-8 Aug. 1994 | London GBR | unipla94.pgn | (not played) | WChess | 14 Centaur games are missing |
| # | 1 | 2 | 3 | 4 | 5 | P | ||
| 1 | GNU 3.1 | X | 2 | 1½ | 2 | 2 | 7½ | |
| 2 | Phoenix | 0 | X | 1½ | 2 | 2 | 5½ | |
| 3 | ProChess | ½ | ½ | X | 2 | 2 | 5 | |
| 4 | Ares | 0 | 0 | 0 | X | 2 | 2 | |
| 5 | NotChess | 0 | 0 | 0 | 0 | X | 0 |
| # | 1 | 2 | 3 | 4 | 5 | P | ||
| 1 | MChess | X | 1½ | 2 | 2 | 2 | 7½ | |
| 2 | Now | ½ | X | 1 | 1½ | 2 | 5 | |
| 3 | GNU 3.1 | 0 | 1 | X | 2 | 2 | 5 | |
| 4 | Schach 3.0 | 0 | ½ | 0 | X | 2 | 2½ | |
| 5 | Pawnder | 0 | 0 | 0 | 0 | X | 0 |
| # | 1 | 2 | 3 | 4 | 5 | P | ||
| 1 | GNU 3.1 | X | 1 | 1½ | 2 | 2 | 6½ | |
| 2 | Phoenix | 1 | X | 1 | 2 | 2 | 6 | |
| 3 | ProChess | ½ | 1 | X | 1½ | 2 | 5 | |
| 4 | SOS | 0 | 0 | ½ | X | 2 | 2½ | |
| 5 | NotChess | 0 | 0 | 0 | 0 | X | 0 |
| # | Name | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | P |
| 1 | Hiarcs | X | 1½ | 2 | 2 | 1½ | 2 | 2 | 2 | 2 | 15 |
| 2 | MChess | ½ | X | 1 | 2 | 0 | 2 | 2 | 2 | 2 | 11½ |
| 3 | Schach | 0 | 1 | X | ½ | 1½ | 2 | 2 | 1½ | 2 | 10½ |
| 4 | Mirage | 0 | 0 | 1½ | X | 2 | 1 | 2 | 2 | 2 | 10½ |
| 5 | Now | ½ | 2 | ½ | 0 | X | ½ | 1 | 2 | 2 | 8½ |
| 6 | GNUChess | 0 | 0 | 0 | 1 | 1½ | X | 2 | 2 | 2 | 8½ |
| 7 | Pawnder | 0 | 0 | 0 | 0 | 0 | 1 | X | 2 | 2 | 5 |
| 8 | Psycho | 0 | 0 | ½ | 0 | 0 | 0 | 0 | X | 1 | 1½ |
| 9 | Neptune | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | X | 1 |