Amuzu, Marvin
Current rating: 1564
Record: 26-25
| Grand Prix Lyon 2018 (modern) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 381 | Chapron, Pierre (1585) | Won 2-0 | +191542 |
| 2modern | 227 | Patalano, Clement (1518) | Won 2-0 | +171559 |
| 3modern | 164 | Ossorio, Enrique (1484) | Lost 1-2 | -191540 |
| 4modern | 368 | Lange, Philipp (1566) | Won 2-0 | +191559 |
| 5modern | 369 | Van Koekenbeek, Benjamin (1846) | Lost 1-2 | -131546 |
| 6modern | 560 | Pages Vidal, Marc (1667) | Lost 1-2 | -161530 |
| 7modern | 641 | Jacoby, David (1466) | Won 2-1 | +171547 |
| 8modern | 468 | Martiat, Remy (1530) | Won 2-0 | +171564 |
| top | average opponent: 1583record: 5-3 | new rating: 1564 | ||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 204 | Loveless, Neil (1500) | Won 2-0 | +181531 |
| 2modern | 264 | Anghelescu, Jonathan (1899) | Lost 0-0 | -121519 |
| 3modern | 507 | Serrano Garcia, Jaime (1599) | Lost 0-2 | -161503 |
| 4modern | 631 | Johnson, Chris [ENG] (1535) | Won 2-0 | +181521 |
| 5modern | 623 | Burlison, Michael (1465) | Won 2-0 | +171538 |
| 6modern | 413 | Scott, Robert (1579) | Lost 1-2 | -171521 |
| 7modern | 570 | Campbell, Gary (1470) | Won 2-0 | +171538 |
| 8modern | 281 | Horwood, Barry (1440) | Won 2-1 | +161554 |
| 9modern | 347 | Nash, Shay (1534) | Won 2-0 | +181572 |
| 10modern | 188 | Stefanescu, Alexandru (1706) | Lost 1-2 | -161556 |
| 11modern | 215 | Ni Chang, Wei Shen (1631) | Lost 1-2 | -161540 |
| 12modern | 216 | French, James (1511) | Won 2-1 | +171557 |
| 13modern | 205 | Brans, Kasper (1646) | Lost 1-2 | -161541 |
| 14modern | 202 | Caldwell, Daniel (1534) | Lost 1-2 | -181523 |
| top | average opponent: 1575record: 7-7 | new rating: 1523 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 452 | Swan, Martin (1562) | Lost 0-2 | -181527 |
| 2sealed | 843 | Maier, Jordan (1651) | Lost 1-2 | -161511 |
| 3sealed | 1059 | Anderson, Christopher [ENG] (1463) | Won 2-0 | +171528 |
| 4sealed | 1110 | Strade, Alberto (1568) | Won 2-0 | +191547 |
| 5sealed | 800 | Evans, Jog (1499) | Won 2-0 | +171564 |
| 6sealed | 625 | Sans Carmona, Josep Marc (1643) | Lost 0-2 | -161548 |
| 7sealed | 612 | Lepeytre, Florent (1608) | Lost 0-2 | -171531 |
| 8sealed | 753 | Murphy, Tadhg (1550) | Lost 1-2 | -181513 |
| top | average opponent: 1568record: 3-5 | new rating: 1513 | ||
| Grand Prix Bologna 2016 (modern) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 476 | Vegro, Jacopo (1500) | Won 2-0 | +181526 |
| 4modern | 172 | Hauser, Matthias (1737) | Lost 1-2 | -141512 |
| 5modern | 424 | Bergmann, Gordon (1559) | Lost 0-2 | -171495 |
| 6modern | 430 | Manenti, Giovanni (1485) | Won 2-0 | +181513 |
| 7modern | 327 | Wimmer, Peter (1521) | Won 2-0 | +181531 |
| 8modern | 162 | Gambardella, Nicolo (1531) | Won 2-0 | +181549 |
| 9modern | 111 | Andreetti, Luca (1544) | Won 2-0 | +181567 |
| 10modern | 123 | Mole, Damien (1739) | Won 2-0 | +211588 |
| 11modern | 28 | Lewandowski, Bartlomiej (2008) | Lost 0-2 | -111577 |
| 12modern | 104 | Caswell, Kevin (1540) | Lost 1-2 | -191558 |
| 13modern | 217 | Maurer, Tobias (1645) | Lost 1-2 | -161542 |
| 14modern | 221 | Holzinger, Thomas (1683) | Lost 1-2 | -161526 |
| 15modern | 205 | Caiazzo, Francesco (1542) | Won 2-1 | +191545 |
| top | average opponent: 1618record: 7-6 | new rating: 1545 | ||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 787 | De Luca, Stefan (1500) | Lost 0-1 | -181482 |
| 2sealed | 969 | Haag, Beny (1482) | Won 2-0 | +181500 |
| 3sealed | 1032 | Forte, Frederic (1524) | Lost 0-2 | -181482 |
| 4sealed | 1042 | Bruckmeyer, Andreas (1568) | Won 2-0 | +201502 |
| 5sealed | 1062 | Weidemann, Felix (1719) | Lost 0-2 | -141488 |
| 6sealed | 1023 | Bleiss, Andre (1493) | Won 2-0 | +181506 |
| 7sealed | 947 | Redlich, Malte (1487) | Won 2-0 | +181524 |
| 8sealed | 893 | Luddecke, Florian (1665) | Lost 0-2 | -161508 |
| top | average opponent: 1555record: 4-4 | new rating: 1508 | ||