| Opponent |
Rating |
Result |
| Paul Wood |
1647 |
1 - 0 |
| Herman FF Kok |
1854 |
1 - 0 |
| Robert J Arthurton |
1572 |
1 - 0 |
| Paul Terry |
1721 |
0 - 1 |
| Peter G Sherlock |
1543 |
1 - 0 |
| Nick Sykes |
1803 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
1890 = (10140 + 400 * (4 - 1)) / 6)
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