Ferraro, Costanzo
Current rating: 1414
Record: 13-21-1
| Grand Prix Lyon 2018 (modern) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 24 | Havenith, Sven (1474) | Lost 0-2 | -181443 |
| 3modern | 840 | Cambriels, Pierre-Arnaud (1484) | Lost 1-2 | -171426 |
| 4modern | 681 | Mead, Phil (1527) | Won 2-0 | +191445 |
| 5modern | 769 | Lewandowski, Rafal (1592) | Lost 0-2 | -151430 |
| 6modern | 716 | Houssier, Yann (1401) | Lost 1-2 | -181412 |
| 7modern | 731 | Treike, Vincent (1471) | Won 2-1 | +191431 |
| 8modern | 592 | Geromin, Ludovic (1486) | Lost 0-2 | -171414 |
| top | average opponent: 1491record: 2-5 | new rating: 1414 | ||
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 282 | Theurel, Sebastien (1540) | Lost 1-2 | -161424 |
| 3standard | 398 | Hecker, Tjark (1499) | Lost 0-2 | -171407 |
| 4standard | 97 | Grendelmeier, Nadine (1464) | Lost 1-2 | -161391 |
| 5standard | 559 | Twist, Lukas (1669) | Won 2-1 | +221413 |
| 6standard | 459 | Reijerse, Thomas (1479) | Won 2-1 | +201433 |
| 7standard | 340 | Van Immerseel, Johan (1500) | Won 2-0 | +191452 |
| 8standard | 229 | Rapetta, Alfredo (1563) | Won 2-1 | +201472 |
| 9standard | 257 | Hrycej, Martin (1857) | Lost 0-2 | -111461 |
| top | average opponent: 1571record: 4-4 | new rating: 1461 | ||
| Grand Prix Madrid 2016 (KLD standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 255 | Macho Vazquez, Antonio (1636) | Lost 0-2 | -151464 |
| 3standard | 584 | Gomez Porral, Jose Manuel (1450) | Lost 0-2 | -181446 |
| 4standard | 591 | Delgado Catala, Juan Manuel (1471) | Won 2-0 | +181464 |
| 5standard | 388 | Matsoukas, Makis (1928) | Lost 0-2 | -101454 |
| 6standard | 493 | Martins, Joao (1584) | Won 2-1 | +201474 |
| 7standard | 417 | Gracia Mas, Manuel (1543) | Lost 1-2 | -161458 |
| 8standard | 463 | Manhaval, Baptiste (1490) | Lost 0-2 | -181440 |
| 9standard | 436 | Torras, Oriol (1444) | Draw 1-1 | 01440 |
| top | average opponent: 1568record: 2-5-1 | new rating: 1440 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 129 | Kask, Rasmus (1511) | Lost 0-0 | -181487 |
| 3standard | 481 | Rodrigues, Nelson (1470) | Won 2-1 | +171504 |
| 4standard | 563 | Utzon, Mads (1805) | Lost 0-2 | -121492 |
| 5standard | 677 | Fischmann, Lars (1467) | Won 2-0 | +171509 |
| 6standard | 432 | Gammaitoni, Eli (1602) | Lost 0-2 | -161493 |
| 7standard | 517 | Strobach, Patrick (1721) | Lost 1-2 | -141479 |
| top | average opponent: 1596record: 2-4 | new rating: 1479 | ||
| Grand Prix Verona 2013 (GTC standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 119 | Perotti, Efrem (1552) | Lost 0-2 | -171483 |
| 3standard | 358 | Martinez, Andres [ITA] (1625) | Lost 0-2 | -151468 |
| 4standard | 553 | de Asmundis, Renato (1482) | Won 2-1 | +181486 |
| 5standard | 418 | Moretti, Matteo (1501) | Won 2-1 | +181504 |
| 6standard | 258 | Bartolocci, Francesco (1517) | Won 2-1 | +181522 |
| 7standard | 216 | Barros, Joao (1541) | Lost 1-2 | -171505 |
| top | average opponent: 1536record: 3-3 | new rating: 1505 | ||