Hayashi, Taizo
Current rating: 1463
| Grand Prix Santiago 2015 (ORI limited) | starting rating: 1435 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | Gaete, Francisco (1576) | Won 2-0 | +211456 |
| 2sealed | 52 | Valdivia, Felipe (1586) | Lost 1-2 | -161440 |
| 3sealed | 302 | Franco, Andre (1616) | Won 2-0 | +221462 |
| 4sealed | 137 | Valdivia, Alexis (1403) | Won 2-0 | +161478 |
| 5sealed | 58 | Rojas, Nathan (1536) | Won 2-0 | +201498 |
| 6sealed | 55 | Scavia, Felipe (1488) | Lost 1-2 | -191479 |
| 7sealed | 122 | Moreno, Ignacio (1431) | Won 2-1 | +171496 |
| 8sealed | 69 | Bona, Jeronimo (1557) | Lost 1-2 | -161480 |
| 9sealed | 86 | Claramunt, Jaime (1535) | Lost 0-2 | -171463 |
| top | average opponent: 1525record: 5-4 | new rating: 1463 | ||
| Grand Prix Buenos Aires 2015 (DTK standard) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 147 | Capello, Bruno (1500) | Lost 1-2 | -181471 |
| 2standard | 198 | Massini, Claudio (1482) | Lost 0-2 | -181453 |
| 3standard | 297 | Morala, Ivan (1467) | Lost 1-2 | -171436 |
| 4standard | 324 | De Luca, Francisco (1445) | Lost 0-2 | -181418 |
| 5standard | 317 | Cruz, Hernan (1428) | Won 2-1 | +181436 |
| 6standard | 263 | Suarez, Cristian (1443) | Won 2-0 | +181454 |
| 7standard | 218 | Perez, Christian Andre (1461) | Won 2-0 | +181472 |
| 8standard | 184 | Calbucoy, Miguel A (1483) | Lost 1-2 | -181454 |
| 9standard | 154 | Hochman, Sabrina (1404) | Lost 0-2 | -191435 |
| top | average opponent: 1457record: 3-6 | new rating: 1435 | ||
| Grand Prix Santiago 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 22 | Lira, German (1500) | Won 2-0 | +181518 |
| 2standard | 99 | Sanchez, Daniel [CHL] (1783) | Lost 0-2 | -131505 |
| 3standard | 163 | Azocar, Gonzalo (1536) | Lost 1-2 | -181487 |
| 4standard | 262 | Romero, Miguel (1614) | Won 2-1 | +211508 |
| 5standard | 166 | Mayo Peixoto, Renan (1472) | Lost 0-2 | -191489 |
| top | average opponent: 1581record: 2-3 | new rating: 1489 | ||