Tsuchiuchi, Jun
Current rating: 1382
Record: 2-9
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 488 | Takahashi, Tatsuya (1443) | Lost 0-2 | -181391 |
| 2sealed | 6 | Umi, Hirokazu (1563) | Lost 1-2 | -141377 |
| 3sealed | 632 | Okada, Wataru (1677) | Lost 0-2 | -131364 |
| 4sealed | 1040 | Kawaguchi, Hitoshi (1398) | Won 2-1 | +181382 |
| average opponent: 1520record: 1-3 | new rating: 1382 | |||
| Grand Prix Sendai 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 17 | Matsuki, Hitoshi (1464) | Lost 1-2 | -191481 |
| 2sealed | 188 | Tanahashi, Masayasu (1504) | Lost 0-2 | -171464 |
| 3sealed | 222 | Lopez, Nazario (1436) | Lost 1-2 | -191445 |
| 4sealed | 238 | Jung, Si Yong (1446) | Lost 0-2 | -181427 |
| 5sealed | 216 | Tsunokawa, Yoshikazu (1324) | Lost 0-2 | -201407 |
| 6sealed | 185 | Mito, Mitsukuni (1446) | Lost 0-2 | -171390 |
| 8sealed | 127 | Abe, Hiroshi(Tochigi) (1429) | Won 2-1 | +191409 |
| average opponent: 1435record: 1-6 | new rating: 1409 | |||