Akamatsu, Yoshiki
Current rating: 1522
Record: 20-19-2
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2374 | Yip, Choi (1500) | Won 2-0 | +171536 |
| 2sealed | 2022 | Tanimura, Masato (1516) | Won 2-0 | +181554 |
| 3sealed | 2049 | Sano, Yuuki (1524) | Lost 0-2 | -191535 |
| 4sealed | 2172 | Baba, Yasunori (1772) | Won 2-1 | +231558 |
| 5sealed | 2193 | Aoki, Masahiro (1616) | Lost 0-2 | -171541 |
| 6sealed | 2166 | Nishioka, Taisuke (1521) | Lost 1-2 | -191522 |
| top | average opponent: 1575record: 3-3 | new rating: 1522 | ||
| Grand Prix Shizuoka 2015 (KTK limited) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 644 | Fujiya, Takahiro (1604) | Lost 1-2 | -171520 |
| 4sealed | 870 | Nakaso, Kouji (1617) | Won 2-1 | +201540 |
| 5sealed | 690 | Matsumoto, Ryousuke (1482) | Won 2-0 | +171557 |
| 6sealed | 708 | Irie, Daiki (1496) | Lost 1-2 | -191538 |
| 7sealed | 812 | Sakamoto, Masaaki (1460) | Lost 0-2 | -191519 |
| top | average opponent: 1532record: 2-3 | new rating: 1519 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 157 | Karasawa, Kouichi (1457) | Won 2-0 | +171539 |
| 2sealed | 42 | Haga, Ryuji (1465) | Won 2-1 | +171556 |
| 3sealed | 116 | Saito, Taishi (1495) | Won 2-0 | +171573 |
| 4sealed | 33 | Oosaka, Yuusuke (1799) | Lost 0-2 | -141559 |
| 5sealed | 216 | Murata, Shunya (1414) | Won 2-1 | +151574 |
| 6sealed | 127 | Saeki, Katsuhisa (1542) | Lost 1-2 | -191555 |
| 7sealed | 103 | Matsuo, Yoshiyuki (1558) | Won 2-1 | +181573 |
| 8sealed | 256 | Mituyasu, Yuki (1515) | Won 2-0 | +171590 |
| 9sealed | 232 | Sekiguchi, Takeshi (1581) | Won 2-1 | +181608 |
| 10sealed | 54 | Masaki, Yuuki (1592) | Lost 0-2 | -181590 |
| 11sealed | 91 | Yasuda, Seita (1539) | Lost 0-2 | -191571 |
| 12draft | 73 | Hiraga, Masahiro (1694) | Lost 0-2 | -161555 |
| 14draft | 68 | Sato, Kouki (1555) | Lost 1-2 | -181537 |
| top | average opponent: 1554record: 7-6 | new rating: 1537 | ||
| Grand Prix Yokohama 2004 (COK limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 119 | Nikkuni, Fumihito (1572) | Won 2-0 | +191533 |
| 3sealed | 17 | Nose, Koji (1745) | Lost 0-2 | -141519 |
| 4sealed | 164 | Watanabe, Mitsutoshi (1554) | Won 2-1 | +181537 |
| 5sealed | 116 | Suzuki, Masatsuna (1704) | Lost 0-2 | -151522 |
| 6sealed | 128 | Ito, Atsushi (1528) | Won 2-1 | +191541 |
| 7sealed | 74 | Nakamura, Hisashi (1522) | Lost 1-2 | -191522 |
| top | average opponent: 1604record: 3-3 | new rating: 1522 | ||
| Grand Prix Kyoto 2000 (extended) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 123 | Morinaga, Kento (1518) | Won 2-1 | +171571 |
| 3extended | 28 | Akase, Kouhei (1518) | Lost 1-2 | -191552 |
| 4extended | 127 | Haneki, Daisuke (1500) | Lost 1-2 | -191533 |
| 5extended | 230 | Onishi, Jun (1465) | Lost 0-2 | -191514 |
| top | average opponent: 1500record: 1-3 | new rating: 1514 | ||
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 34 | Hattori, Keitarou (1500) | Draw 1-1 | 01500 |
| 2sealed | 63 | Makita, Tatsuki (1500) | Won 2-0 | +181518 |
| 3sealed | 53 | Tadehara, Takatomo (1518) | Won 2-0 | +181536 |
| 4sealed | 31 | Hoshino, Fumio (1519) | Lost 0-2 | -181518 |
| 5sealed | 57 | Funatou, Tsukasa (1518) | Won 2-0 | +181536 |
| 6sealed | 40 | Nakajima, Keiichi (1536) | Won 2-0 | +181554 |
| 7sealed | 21 | Ito, Ken (1553) | Draw 1-1 | 01554 |
| top | average opponent: 1520record: 4-1-2 | new rating: 1554 | ||