Sonoda, Kenichi
Current rating: 1266
Record: 16-34-4
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1361 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 84 | Fujita, Kotaro (1491) | Won 2-1 | +211382 |
| 2pioneer | 273 | Suzuki, Tomohiro (1558) | Lost 0-2 | -151367 |
| 3pioneer | 572 | Koseki, Takefumi (1548) | Lost 0-2 | -151352 |
| 4pioneer | 573 | Mukai, Kuniteru (1332) | Lost 1-2 | -181334 |
| 5pioneer | 668 | Tsuda, Seiya (1424) | Lost 0-2 | -171317 |
| 6pioneer | 632 | Shimizu, Keisuke (1416) | Lost 0-2 | -161301 |
| 7pioneer | 547 | Ihara, Akihiro (1272) | Lost 0-2 | -181283 |
| 8pioneer | 442 | Imose, Yoneshige (1370) | Lost 0-2 | -171266 |
| top | average opponent: 1426record: 1-7 | new rating: 1266 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1308 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 255 | Uchiyama, Takato (1458) | Lost 0-2 | -151293 |
| 2modern | 655 | Yashiro, Daisuke (1479) | Draw 1-1 | +31296 |
| 3modern | 1030 | Idei, Soichiro (1482) | Won 2-0 | +221318 |
| 4modern | 801 | Isono, Toru (1432) | Won 2-1 | +201338 |
| 5modern | 541 | Obata, Kentaro (1467) | Draw 1-1 | +21340 |
| 6modern | 726 | Shimosaka, Kosuke (1519) | Won 2-0 | +211361 |
| top | average opponent: 1473record: 3-1-2 | new rating: 1361 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1315 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 81 | Nagao, Takuya (1355) | Lost 1-2 | -171298 |
| 2standard | 667 | Morita, Kazuki (1426) | Draw 1-1 | +21300 |
| 3standard | 869 | Oosumi, Kei (1428) | Won 2-1 | +211321 |
| 4standard | 684 | Tahara, Ippei (1519) | Lost 1-2 | -151306 |
| 5standard | 806 | Tataetishi, Yuki (1480) | Lost 0-2 | -151291 |
| 6standard | 746 | Sasaki, Hideya (1234) | Won 2-0 | +171308 |
| top | average opponent: 1407record: 2-3-1 | new rating: 1308 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 476 | Noji, Koichiro (1500) | Lost 0-2 | -161395 |
| 2standard | 765 | Hamasaki, Kazuhisa (1484) | Lost 1-2 | -171378 |
| 3standard | 1062 | Urata, Jun (1446) | Lost 0-2 | -171361 |
| 4standard | 1048 | Fujita, Kenichi (1618) | Lost 1-2 | -131348 |
| 5standard | 1019 | Sato, Shota (1437) | Lost 0-2 | -161332 |
| 6standard | 929 | Ogino, Genki (1252) | Lost 0-2 | -201312 |
| 7standard | 824 | Takahashi, Osamu (1408) | Lost 0-2 | -161296 |
| 8standard | 753 | Tanaka, Takayuki5764 (1374) | Won 2-1 | +191315 |
| top | average opponent: 1440record: 1-7 | new rating: 1315 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 81 | Mori, Yuki (1525) | Won 2-1 | +201460 |
| 2sealed | 571 | Satou, Takahisa (1504) | Lost 1-2 | -181442 |
| 3sealed | 566 | Okada, Kou (1532) | Lost 0-2 | -161426 |
| 4sealed | 955 | Yokoi, Takuya (1465) | Lost 1-2 | -171409 |
| 5sealed | 990 | Komuro, Kazutoshi (1471) | Won 2-0 | +191428 |
| 6sealed | 729 | Inotsume, Ayumu (1490) | Lost 1-2 | -171411 |
| top | average opponent: 1498record: 2-4 | new rating: 1411 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Tanaka, Akitoshi (1500) | Won 2-0 | +191487 |
| 2sealed | 1 | Tsuji, Ryosuke (1519) | Lost 1-2 | -181469 |
| 3sealed | 614 | Fleischman, Matthew (1504) | Won 2-1 | +191488 |
| 4sealed | 342 | Yamaguchi, Hiroshi (1546) | Lost 1-2 | -171471 |
| 5sealed | 674 | Ng, Meng Cheong (1712) | Lost 0-2 | -141457 |
| 6sealed | 846 | Shibata, Masato (1503) | Lost 0-2 | -171440 |
| top | average opponent: 1547record: 2-4 | new rating: 1440 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1424 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 658 | Yang, Eunje (1500) | Won 2-0 | +191443 |
| 2modern | 599 | Murata, Hiroaki (1492) | Won 2-1 | +191462 |
| 3modern | 215 | Tomomura, Hitoshi (1922) | Lost 1-2 | -101452 |
| 4modern | 425 | Hirasawa, Daisuke (1607) | Lost 1-2 | -151437 |
| 5modern | 953 | Hayashi, Shouya (1753) | Won 2-0 | +231460 |
| 6modern | 663 | Nakamura, Kimikazu (1563) | Won 2-1 | +201480 |
| 7modern | 548 | Usui, Haruki (1825) | Lost 0-2 | -121468 |
| 8modern | 559 | Mori, Arashi (1400) | Won 2-0 | +171485 |
| 9modern | 495 | Ozawa, Kensuke (1542) | Lost 1-2 | -171468 |
| top | average opponent: 1623record: 5-4 | new rating: 1468 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 713 | Inami, Yuuki (1386) | Lost 0-2 | -201480 |
| 2standard | 918 | Amemiya, Kouhei (1481) | Draw 1-1 | 01480 |
| 3standard | 1149 | Satou, Marin (1413) | Lost 0-2 | -191461 |
| 4standard | 1217 | Fujita, Daisuke (1460) | Lost 0-2 | -181443 |
| 5standard | 1233 | Tashima, Kenji (1390) | Lost 0-2 | -191424 |
| top | average opponent: 1426record: 0-4-1 | new rating: 1424 | ||