Keulen, Johan
Current rating: 1547
Record: 4-2-1
| Grand Prix London 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 19 | Beguin, Benoit (1555) | Won 2-0 | +191519 |
| 3block | 4 | Eskeland, Sigurd (1728) | Draw 1-1 | +41523 |
| 4block | 56 | Rosholm, Thomas (1812) | Lost 0-2 | -131510 |
| 5block | 109 | Schwass, Mark (1522) | Won 2-0 | +181528 |
| 6block | 67 | Munkholm, Thomas (1532) | Won 2-1 | +181546 |
| 7block | 39 | Grant, David (1523) | Won 2-0 | +181564 |
| 8block | 27 | Humphreys, Mark Brian (1619) | Lost 1-2 | -171547 |
| average opponent: 1613record: 4-2-1 | new rating: 1547 | |||