| Opponent |
Rating |
Result |
| Mohinderpal Samra |
87 |
1 - 0 |
| Tomasz D Adamski |
121 |
0 - 1 |
| Jaime Castro |
151 |
0 - 1 |
| Michael D Boreham |
130 |
½ - ½ |
| Maurice J Hill |
150 |
½ - ½ |
performance = (sum(opponents ratings) + 400(wins-losses)) / games
48 = (639 + 400 * (1 - 2)) / 5)
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