Yamamoto, Kazuaki
Current rating: 1468
Record: 26-32-4
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 339 | Matsuura, Gen (1444) | Lost 1-2 | -191487 |
| 2sealed | 647 | Kimura, Daichi (1425) | Lost 0-2 | -191468 |
| top | average opponent: 1435record: 0-2 | new rating: 1468 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 558 | Tamoto, Akihiro (1519) | Lost 0-2 | -181454 |
| 2standard | 676 | Deguchi, Takahiro (1329) | Lost 1-2 | -201434 |
| 3standard | 958 | Mizuno, Nobuyoshi (1407) | Won 2-1 | +181452 |
| 4standard | 860 | Yoshimura, Akira (1539) | Won 2-0 | +191471 |
| 5standard | 621 | Koike, Tomoyuki (1400) | Won 2-0 | +171488 |
| 6standard | 470 | Ibushi, Shotaro (1563) | Won 2-0 | +191507 |
| 7standard | 246 | Miyasaka, Masato (1438) | Won 2-1 | +171524 |
| 8standard | 181 | Miyaguchi, Hiroki (1524) | Lost 1-2 | -181506 |
| top | average opponent: 1465record: 5-3 | new rating: 1506 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 256 | Nakao, Munenari (1724) | Won 2-0 | +231482 |
| 2standard | 431 | Oku, Yusuke (1364) | Won 2-1 | +161498 |
| 3standard | 617 | Ohki, Tatsuhiko (1862) | Won 2-1 | +241522 |
| 4standard | 321 | Endo, Natsumi (1609) | Lost 1-2 | -161506 |
| 5standard | 347 | Ichikawa, Tomokazu (1525) | Lost 1-2 | -181488 |
| 6standard | 508 | Kimonji, Hiroki (1513) | Won 2-0 | +191507 |
| 7standard | 555 | Komiyama, Kouhei (1494) | Lost 1-2 | -191488 |
| 8standard | 535 | Tomita, Ryutaro (1558) | Lost 0-2 | -161472 |
| top | average opponent: 1581record: 4-4 | new rating: 1472 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 470 | Matoba, Kosuke (1500) | Won 2-1 | +191462 |
| 2legacy | 304 | Hodumi, Baku (1457) | Won 2-1 | +181480 |
| 3legacy | 48 | Masukado, Kenta (1896) | Lost 0-2 | -111469 |
| 4legacy | 302 | Koike, Yuta (1624) | Won 2-0 | +211490 |
| 5legacy | 115 | Katou, Takayoshi (1653) | Lost 1-2 | -151475 |
| 6legacy | 374 | Kageyama, Koki (1602) | Lost 0-2 | -161459 |
| top | average opponent: 1622record: 3-3 | new rating: 1459 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Yukizaki, Sou (1500) | Draw 1-1 | +11434 |
| 2sealed | 561 | Shirai, Shota (1488) | Won 2-0 | +191453 |
| 3sealed | 546 | Tomita, Naoki (1646) | Won 2-0 | +221475 |
| 4sealed | 322 | Suzuki, Shin (1620) | Lost 0-2 | -161459 |
| 5sealed | 567 | Kiyokawa, Hidetoshi (1446) | Lost 1-2 | -181441 |
| 6sealed | 740 | Hayashi, Kyogo (1498) | Won 2-0 | +191460 |
| 7sealed | 556 | Tanaka, Yuji (1516) | Lost 0-2 | -171443 |
| top | average opponent: 1531record: 3-3-1 | new rating: 1443 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1400 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 768 | Shinoda, Isana (1519) | Won 2-1 | +211421 |
| 2legacy | 725 | Nomoto, Kazuma (1516) | Lost 0-2 | -171404 |
| 3legacy | 894 | Saitou, Shuujirou (1502) | Lost 1-2 | -161388 |
| 4legacy | 899 | Yoshioka, Norisato (1503) | Won 2-1 | +201408 |
| 5legacy | 850 | Tanigawa, Kenichirou (1452) | Won 2-1 | +191427 |
| 6legacy | 770 | Aoyagi, Motohiko (1487) | Lost 1-2 | -171410 |
| 7legacy | 733 | Ishiguro, Satoshi (1515) | Lost 0-2 | -161394 |
| 8legacy | 733 | Taki, Masaya (1486) | Won 2-1 | +201414 |
| 9legacy | 668 | Yamasita, Akinori (1487) | Won 2-1 | +191433 |
| top | average opponent: 1496record: 5-4 | new rating: 1433 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1364 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 747 | Matsumura, Toshikazu (1521) | Lost 0-2 | -151349 |
| 2standard | 809 | Hipperson, Aaron (1482) | Won 2-1 | +211370 |
| 3standard | 842 | Tajima, Yuya (1426) | Won 2-0 | +191389 |
| 4standard | 706 | Shinohara, Kazuaki (1560) | Won 2-0 | +211410 |
| 5standard | 672 | Yoshizawa, Toshio (1341) | Won 2-0 | +161426 |
| 6standard | 619 | Miyauchi, Makoto (1793) | Lost 1-2 | -111415 |
| 7standard | 623 | Yamaguchi, Hiroshi (1617) | Lost 1-2 | -151400 |
| top | average opponent: 1534record: 4-3 | new rating: 1400 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 269 | Shigaki, Kenichi (1500) | Lost 1-2 | -171428 |
| 2standard | 298 | Matumoto, Takuma (1483) | Lost 0-2 | -171411 |
| 3standard | 512 | Gohara, Miyako (1465) | Lost 1-2 | -171394 |
| 4standard | 544 | Yuba, Hirofumi (1513) | Lost 1-2 | -161378 |
| 5standard | 523 | Takamiya, Issei (1427) | Lost 1-2 | -171361 |
| 6standard | 473 | Murakami, Hiroki (1410) | Won 2-1 | +191380 |
| 7standard | 406 | Lee, Yul Jae (1431) | Lost 1-2 | -171363 |
| 8standard | 352 | Inami, Yuuki (1376) | Lost 1-2 | -181345 |
| 9standard | 304 | Kakimoto, Yuki (1409) | Won 2-1 | +191364 |
| top | average opponent: 1446record: 2-7 | new rating: 1364 | ||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 49 | Fujita, Keisuke (1520) | Lost 0-2 | -181482 |
| 2sealed | 215 | Takamatsu, Hiroomi (1434) | Draw 1-1 | -11481 |
| 3sealed | 206 | Masuda, Teruo (1482) | Draw 1-1 | +11482 |
| 4sealed | 230 | Date, Norikuni (1428) | Draw 1-1 | -11481 |
| 5sealed | 190 | Ikeda, Akio (1529) | Lost 0-2 | -181463 |
| 6sealed | 180 | Abe, Hiroshi(Yamagata) (1446) | Lost 0-2 | -181445 |
| top | average opponent: 1473record: 0-3-3 | new rating: 1445 | ||