Guerin, Mathieu
Current rating: 1506
Record: 9-9
| Grand Prix Barcelona 2019 (modern) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 341 | Lopez, Nextor (1482) | Lost 1-2 | -191525 |
| 2modern | 506 | Armani, Luca (1697) | Won 2-0 | +211546 |
| 3modern | 525 | Martin Igualada, Rafael (1576) | Won 2-0 | +191565 |
| 4modern | 386 | Tran, Nhat-Nam (1430) | Lost 1-2 | -211544 |
| 5modern | 504 | Larsson, Jonatan (1488) | Lost 1-2 | -191525 |
| 6modern | 532 | Motta Locatelli, Daniele Lorenzo (1453) | Lost 0-2 | -191506 |
| average opponent: 1521record: 2-4 | new rating: 1506 | |||
| Grand Prix Bilbao 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 3 | Vincent, Guillaume (1534) | Won 2-0 | +191519 |
| 2modern | 311 | Restoy, Lluis (1608) | Lost 1-2 | -171502 |
| 3modern | 623 | Drapala, Robin (1425) | Won 2-1 | +171519 |
| 4modern | 195 | Suarez Ruiz, Miguel (1518) | Lost 1-2 | -181501 |
| 5modern | 580 | Cavatorta, Andrea (1439) | Won 2-1 | +171518 |
| 6modern | 280 | Azevedo, Pedro6839 (1555) | Won 2-1 | +181536 |
| 7modern | 203 | Lam, Tony (Nghia) (1633) | Won 2-1 | +201556 |
| 8modern | 146 | Hoshide, Naonari (1609) | Won 2-0 | +191575 |
| 9modern | 63 | Arneuve, Vladimir (1747) | Won 2-0 | +211596 |
| 10modern | 40 | Carvalho, Daniel (1594) | Lost 1-2 | -181578 |
| 11modern | 120 | Ehrhardt, Andreas (1728) | Lost 1-2 | -151563 |
| 12modern | 103 | Pinilla, Sergio (1528) | Lost 0-2 | -191544 |
| average opponent: 1576record: 7-5 | new rating: 1544 | |||