Yamaguchi, Takurou
Current rating: 1340
| Regional Championships Aichi 2023 (pioneer) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 90 | Ookura, Haruka (1692) | Lost 0-2 | -121387 |
| 2pioneer | 68 | Takeo, Shin (1484) | Lost 1-2 | -171370 |
| 3pioneer | 102 | Miyawaki, Takeshi (1650) | Lost 1-2 | -131357 |
| 4pioneer | 112 | Lim, Taegyun (1401) | Lost 0-2 | -171340 |
| top | average opponent: 1557record: 0-4 | new rating: 1340 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 120 | Negishi, Haruki (1563) | Lost 0-2 | -161448 |
| 3standard | 647 | Kuwahara, Kensuke (1476) | Lost 0-2 | -171431 |
| 4standard | 920 | Matsumoto, Yoshifumi (1552) | Lost 0-2 | -161415 |
| 5standard | 896 | Yamashita, Masashi (1461) | Draw 1-1 | +11416 |
| 6standard | 743 | Tamura, Kei (1512) | Lost 1-2 | -171399 |
| top | average opponent: 1513record: 0-4-1 | new rating: 1399 | ||
| Grand Prix Kyoto 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 112 | Urata, Yusuke (1500) | Lost 1-2 | -181482 |
| 2sealed | 250 | Nose, Koji (1502) | Lost 0-2 | -181464 |
| top | average opponent: 1501record: 0-2 | new rating: 1464 | ||