Kobayashi, Akio
Current rating: 1418
Record: 13-18
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 40 | Suzuki, Takehiro (1500) | Lost 0-2 | -181455 |
| 2sealed | 803 | Tanaka, Kisuke (1373) | Lost 1-2 | -191436 |
| 3sealed | 1029 | Ohara, Wataru (1469) | Lost 0-2 | -181418 |
| top | average opponent: 1447record: 0-3 | new rating: 1418 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 653 | Abe, Kouya (1411) | Won 2-0 | +181461 |
| 2sealed | 130 | Engelsdorfer, Fabian (1530) | Won 2-0 | +191480 |
| 3sealed | 156 | Kojima, Tatuya (1694) | Won 2-1 | +221502 |
| 4sealed | 126 | Kobayashi, Atsumu (1620) | Won 2-1 | +201522 |
| 5sealed | 50 | Minotani, Jun (1616) | Lost 1-2 | -161506 |
| 6sealed | 84 | Shimada, Tomoyuki (1564) | Won 2-1 | +191525 |
| 7sealed | 62 | Venturi, Matteo (1508) | Lost 0-2 | -191506 |
| 8sealed | 176 | Cho, Takuya (1646) | Lost 1-2 | -151491 |
| 9sealed | 277 | Iwasaki, Koichi (1464) | Lost 1-2 | -181473 |
| top | average opponent: 1561record: 5-4 | new rating: 1473 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 68 | Ota, Masahito (1467) | Lost 0-2 | -181462 |
| 2standard | 1180 | Nakai, Yuuta (1449) | Lost 0-2 | -191443 |
| 3standard | 1433 | Saito, Naruto (1389) | Lost 0-2 | -191424 |
| 4standard | 1587 | Gondou, Takayuki (1447) | Won 2-0 | +191443 |
| 5standard | 1365 | Ozaki, Takuya (1467) | Won 2-0 | +181461 |
| 6standard | 1304 | Oumi, Masatoshi (1473) | Lost 0-2 | -181443 |
| top | average opponent: 1449record: 2-4 | new rating: 1443 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Maruno, Takaaki (1542) | Lost 0-2 | -181522 |
| 2sealed | 719 | Kodama, Yuu (1462) | Won 2-0 | +171539 |
| 3sealed | 872 | Oda, Yuuki (1316) | Lost 0-2 | -221517 |
| 4sealed | 969 | Kobayashi, Akihiro (1464) | Lost 0-2 | -191498 |
| 5sealed | 1115 | Ueno, Mitsuru (1494) | Lost 0-2 | -181480 |
| top | average opponent: 1456record: 1-4 | new rating: 1480 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 22 | Inoue, Masashi (1353) | Lost 1-2 | -211479 |
| 2sealed | 319 | Tamura, Kimihito (1482) | Won 2-0 | +181497 |
| 3sealed | 440 | Uemonsa, Takashi (1446) | Won 2-1 | +171514 |
| 4sealed | 308 | Kitayama, Masaya (1910) | Won 2-0 | +251539 |
| 5sealed | 182 | Fuchita, Shouhei (1666) | Won 2-1 | +211560 |
| 6sealed | 63 | Yoshioka, Norisato (1520) | Lost 1-2 | -191541 |
| 7sealed | 202 | Takuya, Monoe (1534) | Won 2-1 | +181559 |
| 8sealed | 64 | Nakai, Yutaka (1508) | Lost 1-2 | -191540 |
| top | average opponent: 1552record: 5-3 | new rating: 1540 | ||