Espinoza, Daube
Current rating: 1486
Record: 7-8-1
| Grand Prix Costa Rica 2016 (SOI standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 44 | Morales Solano, Rodrigo (1538) | Won 2-1 | +181538 |
| 2standard | 21 | Gottlieb, Bryan (2020) | Lost 1-2 | -101528 |
| 3standard | 185 | De La Rosa, Eddy (1518) | Won 2-1 | +181546 |
| 4standard | 95 | Massa Anaya, Hiram (1470) | Lost 0-2 | -191527 |
| 5standard | 145 | Jimenez Ruiz, Luis David (1450) | Lost 0-2 | -201507 |
| 6standard | 181 | Leiva, Gerardo (1489) | Draw 1-1 | 01507 |
| 7standard | 179 | Aguilar, Stanley (1482) | Won 2-0 | +181525 |
| 8standard | 148 | Ruiz Gonzalez, William (1402) | Lost 1-2 | -211504 |
| 9standard | 153 | Rojas, Mauricio (1486) | Lost 0-2 | -181486 |
| average opponent: 1540record: 3-5-1 | new rating: 1486 | |||
| Grand Prix Costa Rica 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 48 | Mena, Javier (1500) | Lost 0-2 | -181482 |
| 3sealed | 90 | Solano Cantillo, Jorge Luis (1482) | Lost 0-2 | -181464 |
| 4sealed | 144 | Chimg Chen, Kin Jong (1499) | Won 2-0 | +191483 |
| 5sealed | 123 | Paulus, Jennifer (1482) | Won 2-0 | +181501 |
| 6sealed | 78 | Flores, Edgar [MEX] (1565) | Lost 0-2 | -171484 |
| 7sealed | 96 | Rivera Azofeifa, Jose (1484) | Won 2-0 | +181502 |
| 8sealed | 69 | Morales, Franklin (1502) | Won 2-1 | +181520 |
| average opponent: 1502record: 4-3 | new rating: 1520 | |||