Zerni, Girolamo
Current rating: 1517
Record: 5-4-1
| Grand Prix London 2019 (WAR sealed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| B1sealed | 1117 | Russo, Enrico (1574) | Draw 1-1 | +11501 |
| B2sealed | 1017 | Ishikawa, Eric (1478) | Won 2-0 | +181519 |
| B3sealed | 953 | Bell, Rebecca (1636) | Won 2-1 | +201539 |
| B4sealed | 917 | Warren, Mark (1411) | Won 2-1 | +161555 |
| B5sealed | 898 | Sparks, Cassandra (1632) | Lost 0-2 | -171538 |
| B6sealed | 931 | Marti, Ruben (1617) | Lost 1-2 | -161522 |
| B7sealed | 926 | Ulsenheimer, Peter (1492) | Won 2-0 | +171539 |
| C1sealed | 434 | Moreau, Bertrand (1404) | Lost 0-2 | -201519 |
| C2sealed | 297 | Vefa, Yusuf Kemal (1553) | Won 2-0 | +181537 |
| C3sealed | 235 | Warren, Mark (1404) | Lost 0-2 | -201517 |
| average opponent: 1520record: 5-4-1 | new rating: 1517 | |||