Tsuda, Kouki
Current rating: 1464
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 320 | Tanaka, Tomonori (1360) | Won 2-0 | +171474 |
| 2standard | 562 | Kawabata, Hiromasa (1553) | Lost 0-2 | -171457 |
| 3standard | 857 | Niwano, Yuhei (1500) | Won 2-0 | +191476 |
| 4standard | 450 | Ooneda, Yoshihiro (1630) | Won 2-0 | +211497 |
| 5standard | 334 | Okamoto, Ryo (1721) | Lost 0-2 | -141483 |
| 6standard | 672 | Kawamoto, Ryouhei (1390) | Won 2-0 | +161499 |
| 7standard | 438 | Yamade, Masato (1512) | Lost 0-2 | -181481 |
| 8standard | 563 | Ohkuma, Atushi (1533) | Lost 1-2 | -171464 |
| top | average opponent: 1525record: 4-4 | new rating: 1464 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 164 | Oonishi, Takahisa (1493) | Lost 0-2 | -181499 |
| 4standard | 396 | Saitou, Daisuke (1319) | Lost 0-2 | -211478 |
| 5standard | 1025 | Nobe, Hiroyuki (1351) | Lost 0-2 | -211457 |
| 6standard | 1024 | Takemura, Ukyou (1440) | Won 2-0 | +181475 |
| 7standard | 873 | Dai, Xiangjun (1499) | Lost 1-2 | -181457 |
| top | average opponent: 1420record: 1-4 | new rating: 1457 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 611 | Korekawa, Takashi (1431) | Lost 1-2 | -191481 |
| 2sealed | 629 | Sano, Takumi (1480) | Won 2-0 | +181499 |
| 3sealed | 1065 | Fujiwara, Tateki (1475) | Won 2-0 | +171516 |
| 4sealed | 358 | Sasabe, Yusuke (1594) | Lost 1-2 | -161500 |
| 5sealed | 838 | Tanabe, Kazuya (1159) | Won 2-1 | +121512 |
| 6sealed | 710 | Hattori, Kazuki (1672) | Won 2-0 | +211533 |
| 7sealed | 244 | Sugiyama, Yuu (1544) | Won 2-0 | +181551 |
| 8sealed | 330 | Iguchi, Taisuke (1688) | Lost 1-2 | -161535 |
| 9sealed | 282 | Sasaki, Kazuo (1538) | Lost 1-2 | -181517 |
| top | average opponent: 1509record: 5-4 | new rating: 1517 | ||