Santos, Claudio
Current rating: 1669
Record: 40-28-2
| Grand Prix London 2016 (KLD limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 654 | Mohlmann, Sven (1500) | Won 2-0 | +181545 |
| 2sealed | 191 | Popay, Jamie (1518) | Won 2-1 | +171562 |
| 3sealed | 150 | Harvey, Dominic (1746) | Won 2-1 | +221584 |
| 4sealed | 177 | Szoke, Zoltan (1826) | Won 2-1 | +221606 |
| 5sealed | 24 | Guillet, Damien (1582) | Lost 1-2 | -191587 |
| 6sealed | 150 | Fafalios, Pavlos (1587) | Won 2-1 | +181605 |
| 7sealed | 79 | Kepinski, Michal (1701) | Won 2-1 | +201625 |
| 8sealed | 49 | Rigby, Neil (1785) | Lost 0-2 | -151610 |
| 9sealed | 216 | Sukaitis, Tomas (1768) | Won 2-1 | +211631 |
| 10draft | 257 | Kyriakou, Nikolas (1617) | Won 2-0 | +181649 |
| 11draft | 114 | Casar, Gregor (1676) | Lost 0-2 | -181631 |
| 12draft | 309 | Stadler, Matthias (1553) | Won 2-1 | +171648 |
| 13draft | 28 | Vu, Jeremy (1657) | Won 2-1 | +181666 |
| 14draft | 185 | Cottee, Ben (1687) | Won 2-1 | +181684 |
| 15draft | 128 | Loeb, Davy (1838) | Lost 0-2 | -151669 |
| top | average opponent: 1669record: 11-4 | new rating: 1669 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1595 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1189 | Hollenga, Marius (1532) | Won 2-1 | +171612 |
| 2sealed | 1114 | Hut, Peter (1363) | Lost 1-2 | -231589 |
| 3sealed | 1406 | Natale, Simone (1496) | Lost 1-2 | -191570 |
| 4sealed | 1397 | Wattel, Olivier (1292) | Lost 1-2 | -231547 |
| 5sealed | 1418 | Garcia, Amelie (1467) | Lost 0-2 | -201527 |
| top | average opponent: 1430record: 1-4 | new rating: 1527 | ||
| Grand Prix Valencia 2013 (THS limited) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 72 | Bonaventura, Ciro (1718) | Won 2-1 | +211596 |
| 3sealed | 125 | Santos II, Pedro (1579) | Lost 0-2 | -181578 |
| 4sealed | 296 | Duarte, Marco (1668) | Won 2-1 | +191597 |
| 5sealed | 471 | Pichon, Elie (1734) | Lost 1-2 | -151582 |
| 6sealed | 268 | Lopez de la Calle, San (1521) | Won 2-1 | +171599 |
| 7sealed | 138 | Almarza, Gustavo (1536) | Won 2-1 | +161615 |
| 8sealed | 87 | Perez, Ander (1471) | Lost 0-2 | -201595 |
| top | average opponent: 1604record: 4-3 | new rating: 1595 | ||
| Grand Prix London 2013 (GTC limited) | starting rating: 1641 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 456 | Tornros, Mats (1669) | Lost 1-2 | -181623 |
| 3sealed | 658 | Horvath, Jozef (1405) | Won 2-1 | +141637 |
| 4sealed | 453 | Diez, Omar (1477) | Lost 0-2 | -211616 |
| 5sealed | 595 | Forrestal, Tom (1446) | Lost 1-2 | -211595 |
| 6sealed | 688 | Bjerreskov, Jess (1487) | Lost 1-2 | -201575 |
| top | average opponent: 1497record: 1-4 | new rating: 1575 | ||
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 23 | Da Silva, Ruben (1533) | Lost 0-2 | -201583 |
| 2sealed | 247 | Gravanita, Sergio (1483) | Won 2-0 | +171600 |
| 3sealed | 179 | Schmidt, Daniel (1501) | Won 2-0 | +161616 |
| 4sealed | 198 | Giner, Pablo (1656) | Lost 1-2 | -171599 |
| 5sealed | 230 | Irion, Julien (1391) | Lost 0-2 | -221577 |
| 6sealed | 206 | Stenstrup, Soren (1487) | Won 2-1 | +161593 |
| 7sealed | 183 | Economides, Ioannis (1513) | Won 2-1 | +171610 |
| 8sealed | 132 | Martinez, Pablo (1421) | Won 2-0 | +141624 |
| 9sealed | 110 | Nascimento, Paulo (1533) | Won 2-0 | +171641 |
| top | average opponent: 1502record: 6-3 | new rating: 1641 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 251 | Gobeli, Thomas (1446) | Lost 1-2 | -211548 |
| 2sealed | 346 | France, Julien (1481) | Won 2-0 | +171565 |
| 3sealed | 262 | Reeman, Nicolas (1499) | Won 2-1 | +171582 |
| 4sealed | 167 | Achard, Thibault (1517) | Lost 1-2 | -191563 |
| 5sealed | 335 | Bouchaib, Messaoud (1667) | Won 2-1 | +201583 |
| 6sealed | 164 | Hauchard, Olivier (1648) | Won 2-0 | +191602 |
| 7sealed | 192 | Godiveau, Mathieu (1540) | Won 2-1 | +171619 |
| 8sealed | 52 | Godineau, Manuel (1728) | Lost 0-2 | -161603 |
| top | average opponent: 1566record: 5-3 | new rating: 1603 | ||
| Grand Prix Madrid 2004 (DST limited) | starting rating: 1608 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 294 | Mula, Pedro (1518) | Lost 1-2 | -201588 |
| 3sealed | 420 | Priego Ruiz, Julio (1499) | Lost 0-2 | -191569 |
| top | average opponent: 1508record: 0-2 | new rating: 1569 | ||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1617 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 272 | van Bemmel, Simon (1448) | Won 2-1 | +151632 |
| 2sealed | 41 | Burgos, Manuel (1492) | Won 2-1 | +161648 |
| 3sealed | 100 | Garcia Guerra, Juan Jose (1536) | Lost 0-2 | -201628 |
| 4sealed | 162 | Montserrat, Chris (1518) | Lost 0-2 | -201608 |
| top | average opponent: 1498record: 2-2 | new rating: 1608 | ||
| Grand Prix Lisbon 2002 (extended) | starting rating: 1572 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 127 | Pinto, Bruno (1500) | Won 2-0 | +171589 |
| 2extended | 96 | Garcia, Luis [ESP] (1519) | Won 2-1 | +171606 |
| 3extended | 45 | Pereira, Ruben (1536) | Won 2-0 | +171623 |
| 4extended | 34 | Velasco, Fernando 5658 (1500) | Lost 0-2 | -211602 |
| 5extended | 87 | Bevere, Gianluca (1541) | Lost 0-2 | -191583 |
| 6extended | 169 | Anselmo, Pedro (1518) | Won 2-1 | +171600 |
| 7extended | 78 | Garcia Robles, Mario (1537) | Draw 1-1 | -11599 |
| 8extended | 89 | Edeso, Gaston (1630) | Won 2-1 | +181617 |
| top | average opponent: 1535record: 5-2-1 | new rating: 1617 | ||
| Grand Prix Porto 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 214 | Garcia, Jesus Lazaro (1481) | Draw 1-1 | 01500 |
| 2sealed | 161 | Frutuoso, Miguel (1500) | Won 2-0 | +181518 |
| 3sealed | 90 | PINTO, Jose2 (1518) | Won 2-0 | +181536 |
| 4sealed | 63 | Silva, Mario2 (1536) | Won 0-0 | +181554 |
| 5sealed | 24 | Ferraz, Joao (1554) | Won 2-0 | +181572 |
| 6sealed | 17 | Llopis Martinez, Paco Francisco (1616) | Lost 0-2 | -181554 |
| 7sealed | 39 | Correia, Antonio (1553) | Won 2-1 | +181572 |
| top | average opponent: 1537record: 5-1-1 | new rating: 1572 | ||