Yuda, Chikara
Current rating: 1561
Record: 21-19-1
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 17 | Senshuu, Yoshinori (1500) | Won 2-0 | +171580 |
| 2standard | 113 | Mishima, Wataru (1517) | Lost 0-2 | -191561 |
| 3standard | 305 | Nakamura, Takuya (1437) | Won 2-1 | +151576 |
| 4standard | 233 | Chiba, Taiji (1555) | Won 2-0 | +181594 |
| 5standard | 171 | Hattori, Taiki (1691) | Won 2-1 | +201614 |
| 6standard | 67 | Hoshino, Shinsuke (1589) | Lost 0-2 | -191595 |
| 7standard | 137 | Hoshino, Yohei (1725) | Lost 0-2 | -151580 |
| 8standard | 175 | Sakurai, Tomoya(699) (1520) | Lost 0-2 | -191561 |
| top | average opponent: 1567record: 4-4 | new rating: 1561 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 59 | Inagaki, Ryosuke (1500) | Won 2-0 | +171572 |
| 2standard | 313 | Ootani, Youhei (1548) | Won 2-0 | +181590 |
| 3standard | 26 | Amano, Makoto (1455) | Draw 1-1 | -31587 |
| 4standard | 234 | Machida, Kenji (1530) | Lost 0-2 | -191568 |
| 5standard | 392 | Migishiro, Ayumu (1374) | Won 2-1 | +151583 |
| 6standard | 250 | Nakamura, Masanobu (1476) | Lost 1-2 | -201563 |
| top | average opponent: 1480record: 3-2-1 | new rating: 1563 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 154 | Kobayashi, Ukyo (1447) | Won 2-0 | +171512 |
| 2sealed | 143 | Tani, Yukiko (1517) | Won 2-1 | +181530 |
| 3sealed | 7 | Ishiguro, Satoshi (1541) | Won 2-0 | +181548 |
| 4sealed | 112 | Syoujiki, Tomoya (1573) | Won 2-0 | +191567 |
| 5sealed | 2 | Yanase, Kaname (1534) | Lost 0-2 | -191548 |
| 6sealed | 128 | Lee, Rick Hup Beng (1691) | Won 2-1 | +211569 |
| 7sealed | 87 | Takao, Akinao (1591) | Won 2-1 | +181587 |
| 8sealed | 19 | Cho, Jeong Woo (1728) | Lost 0-2 | -151572 |
| 9sealed | 86 | Seki, Keita (1666) | Lost 0-2 | -171555 |
| top | average opponent: 1587record: 6-3 | new rating: 1555 | ||
| Grand Prix Hiroshima 2011 (ISD standard) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 101 | Kenta S., (1500) | Lost 1-2 | -191528 |
| 5standard | 64 | Shimizu, Naoki (1692) | Lost 1-2 | -151513 |
| 6standard | 180 | Okamoto, Satoshi (1500) | Lost 0-2 | -181495 |
| top | average opponent: 1564record: 0-3 | new rating: 1495 | ||
| Grand Prix Kobe 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 192 | Yamada, Yoshitaka (1505) | Won 2-1 | +181518 |
| 2extended | 147 | K., Tarou (1518) | Won 2-0 | +181536 |
| 3extended | 56 | Chen, Liang (1774) | Won 2-1 | +221558 |
| 4extended | 32 | Kuroda, Masashiro (2058) | Won 2-0 | +271585 |
| 5extended | 43 | Komuro, Shuu (1777) | Won 2-1 | +211606 |
| 6extended | 7 | Fujita, Osamu (1963) | Won 2-1 | +241630 |
| 7extended | 4 | Yamamoto, Kentaro (1895) | Won 2-1 | +231653 |
| 8extended | 5 | Omori, Ken'ichirou (1607) | Lost 1-2 | -191634 |
| 9extended | 19 | Yoshinaga, Mitsuteru (1771) | Lost 0-2 | -151619 |
| 10extended | 36 | Yokoi, Masaki (1608) | Lost 0-2 | -181601 |
| 11extended | 8 | Itodani, Tetsurou (1540) | Lost 0-2 | -191582 |
| 12extended | 36 | Iwane, Manabi (1510) | Won 2-1 | +161598 |
| 13extended | 31 | Tashima, Chihiro (1622) | Lost 0-2 | -171581 |
| 14extended | 36 | Hassaku, Jinpei (1673) | Lost 1-2 | -171564 |
| 15extended | 10 | Watanabe, Takanori (1596) | Lost 1-2 | -171547 |
| top | average opponent: 1695record: 8-7 | new rating: 1547 | ||