Castro, Ivan
Current rating: 1397
| Grand Prix Barcelona 2017 (AER standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 117 | Snazle, Louis (1501) | Lost 0-2 | -171429 |
| 2standard | 371 | Navacerrada Torras, Josep Albert (1469) | Lost 0-2 | -181411 |
| 3standard | 563 | Kostet, Daniel (1465) | Lost 0-2 | -171394 |
| 5standard | 552 | Alday, Fernando (1464) | Won 2-0 | +201414 |
| 6standard | 519 | Dorado Bugallo, Angel (1468) | Lost 0-2 | -171397 |
| top | average opponent: 1473record: 1-4 | new rating: 1397 | ||
| Grand Prix Madrid 2016 (KLD standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 333 | Rossire, Patrick (1652) | Lost 0-2 | -151430 |
| 4standard | 346 | Dargent, Afonso (1487) | Won 2-0 | +191449 |
| 5standard | 311 | Maccari, Manuel (1522) | Lost 1-2 | -161433 |
| 6standard | 429 | Bucholc, Filip (1597) | Lost 0-2 | -151418 |
| 7standard | 492 | Maestro, Valentin (1589) | Won 2-0 | +211439 |
| 8standard | 373 | Gomera Diaz, Jorge (1483) | Won 2-0 | +191458 |
| 9standard | 278 | Ristovsky, Tom (1807) | Lost 0-2 | -121446 |
| top | average opponent: 1591record: 3-4 | new rating: 1446 | ||
| Grand Prix Bilbao 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 90 | Galende Gutierrez, Diego (1463) | Won 2-0 | +171517 |
| 2extended | 91 | Truchado, Rafael (1562) | Lost 0-2 | -171500 |
| 3extended | 76 | Berenguel, Richard (1501) | Lost 1-2 | -181482 |
| 4extended | 175 | Ferrer, Miguel Angel (1482) | Lost 1-2 | -181464 |
| 5extended | 203 | Garcia, Carlos (1418) | Won 2-0 | +171481 |
| 6extended | 144 | Silva, Antonio Jose (1480) | Won 2-0 | +181499 |
| 7extended | 106 | Pellicer Lopez, Franci (1503) | Lost 0-2 | -181481 |
| 8extended | 110 | Molas, Lionel (1438) | Lost 1-2 | -181463 |
| 9extended | 98 | Sacristan, Luis Albert (1465) | Lost 0-2 | -181445 |
| top | average opponent: 1479record: 3-6 | new rating: 1445 | ||