Kobayashi, Joutarou
Current rating: 1569
Record: 8-5-2
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 407 | Matsumura, Hideyuki (1512) | Won 2-0 | +181533 |
| 2standard | 53 | Kaizu, Hareta (1518) | Draw 1-1 | 01533 |
| 3standard | 325 | Kawachi, Katsuya (1483) | Lost 0-2 | -191514 |
| 4standard | 553 | Itou, Hirokazu (1463) | Won 2-1 | +171531 |
| 5standard | 399 | Satou, Akihiko (1586) | Won 2-1 | +191550 |
| 6standard | 257 | Cho, Sang ho (1532) | Won 1-0 | +181568 |
| 7standard | 154 | Miura, Yuuki (1633) | Lost 0-2 | -171551 |
| 8standard | 262 | Shiba, Yunosuke (1529) | Won 2-1 | +181569 |
| average opponent: 1532record: 5-2-1 | new rating: 1569 | |||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 162 | Tamura, Ryohei (1500) | Won 2-0 | +181518 |
| 2modern | 257 | Sekizawa, Takayuki (1556) | Lost 0-2 | -171501 |
| 3modern | 582 | Amano, Hidehiko (1487) | Lost 1-2 | -191482 |
| 4modern | 622 | Suzuki, Masatsuna (1752) | Won 2-0 | +231505 |
| 5modern | 535 | Fukushima, Masataka (1555) | Won 2-0 | +191524 |
| 6modern | 289 | Yasooka, Shota (2057) | Lost 1-2 | -91515 |
| 7modern | 333 | Yamashita, Kouhei (1526) | Draw 1-1 | 01515 |
| average opponent: 1633record: 3-3-1 | new rating: 1515 | |||