Suganuma, Kathuhiro
Current rating: 1464
Record: 25-31-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 383 | Kawada, Hiroyuki (1330) | Won 2-0 | +171423 |
| 3pioneer | 319 | Moriyama, Yuu (1620) | Won 2-0 | +211444 |
| 4pioneer | 111 | Tonouchi, Keita (1744) | Won 2-0 | +241468 |
| 5pioneer | 76 | Ishikawa, Shou (1682) | Draw 1-1 | +31471 |
| 6pioneer | 52 | Arai, Shuhei (1558) | Won 2-1 | +201491 |
| 7pioneer | 29 | Takaya, Syouichi (1618) | Won 2-0 | +201511 |
| 8pioneer | 13 | Kobayashi, Kazutaka (1766) | Lost 1-2 | -131498 |
| 9pioneer | 49 | Osawa, Takuya (1961) | Lost 0-2 | -101488 |
| 10pioneer | 112 | Kondo, Go (1578) | Lost 0-2 | -171471 |
| 11pioneer | 140 | Sano, Takumi (1582) | Lost 0-2 | -161455 |
| 12pioneer | 150 | Sawada, Tetsushi (1594) | Won 2-1 | +211476 |
| 13pioneer | 122 | Abe, Masaru (1553) | Won 2-1 | +191495 |
| 14pioneer | 97 | Maki, Kazunori (1735) | Lost 1-2 | -131482 |
| 15pioneer | 108 | Tanaka, Takahiro (1501) | Lost 0-2 | -181464 |
| top | average opponent: 1630record: 7-6-1 | new rating: 1464 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1370 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 22 | Horikawa, Hideaki (1553) | Won 2-0 | +221392 |
| 3standard | 201 | Ishigaki, Rikiya (1530) | Won 2-1 | +201412 |
| 4standard | 180 | Igura, Hayato (1457) | Lost 0-2 | -171395 |
| 5standard | 219 | Ishihara, Koji (1591) | Lost 0-2 | -151380 |
| 6standard | 500 | Hojo, Makoto (1587) | Won 2-1 | +221402 |
| 7standard | 276 | Shiina, Kento (1362) | Won 2-1 | +171419 |
| 8standard | 197 | Matsumura, Toshikazu (1680) | Lost 0-2 | -131406 |
| top | average opponent: 1537record: 4-3 | new rating: 1406 | ||
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 233 | Toyohara, Eisuke (1245) | Lost 1-2 | -211385 |
| 3sealed | 609 | Wakayama, Hayata (1419) | Lost 0-2 | -171368 |
| 4sealed | 827 | Semura, Junichi (1589) | Won 2-1 | +221390 |
| 5sealed | 556 | Osuga, Hiroaki (1210) | Won 2-0 | +151405 |
| 6sealed | 591 | Klenske, Dylan (1265) | Lost 0-2 | -211384 |
| 7sealed | 544 | Fujii, Hidekazu (1608) | Lost 0-2 | -141370 |
| top | average opponent: 1389record: 2-4 | new rating: 1370 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 508 | Mizuno, Tomoya (1299) | Won 2-0 | +151476 |
| 3modern | 253 | Nakamura, Shuta (1500) | Lost 0-2 | -181458 |
| 4modern | 683 | Kasagawa, Yosuke (1459) | Lost 0-2 | -181440 |
| 5modern | 687 | Tsuda, Tomohiro (1540) | Lost 1-2 | -161424 |
| 6modern | 829 | Dai, XiaoChen (1438) | Lost 0-2 | -181406 |
| top | average opponent: 1447record: 1-4 | new rating: 1406 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 263 | Michibata, Tatsuya (1652) | Won 2-1 | +221467 |
| 2standard | 408 | Harada, Yugo (1568) | Won 2-1 | +201487 |
| 3standard | 586 | Ookura, Takahiro (1463) | Lost 1-2 | -191468 |
| 4standard | 740 | Ajitomi, Takeshi (1463) | Won 2-1 | +181486 |
| 5standard | 540 | Kiwanont, Sukhum (1832) | Lost 0-2 | -121474 |
| 6standard | 639 | Yoshida, Hiroki (1518) | Lost 0-2 | -171457 |
| 7standard | 705 | Kwanchaitunya, Sakditat (1531) | Won 2-0 | +191476 |
| 8standard | 615 | Mashimo, Ryuuya (1614) | Lost 1-2 | -151461 |
| top | average opponent: 1580record: 4-4 | new rating: 1461 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 667 | Mitsuya, Teppei (1500) | Lost 1-2 | -171468 |
| 2sealed | 602 | Oku, Yusuke (1283) | Lost 1-2 | -221446 |
| 3sealed | 1145 | Kawahara, Masanobu (1376) | Won 2-1 | +171463 |
| 4sealed | 1056 | Fukutani, Mitumasa (1362) | Won 2-0 | +161479 |
| 5sealed | 712 | Mori, Hisayuki (1472) | Lost 1-2 | -181461 |
| 6sealed | 743 | Tong, Xinyao (1523) | Won 2-0 | +191480 |
| 7sealed | 549 | Saito, Takeo (1518) | Lost 0-2 | -171463 |
| 8sealed | 537 | Suzuki, Shota 9888 (1467) | Lost 0-2 | -181445 |
| top | average opponent: 1437record: 3-5 | new rating: 1445 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 501 | Mihara, Takuya (1479) | Lost 1-2 | -181482 |
| 2standard | 629 | Fujii, Mikiya (1432) | Lost 1-2 | -191463 |
| 3standard | 1250 | Oumi, Masatoshi (1439) | Won 2-0 | +171480 |
| 4standard | 1163 | Kawamae, Toshiyuki (1316) | Lost 1-2 | -211459 |
| 5standard | 1157 | Yoshioka, Hibiki (1468) | Won 2-1 | +181477 |
| 6standard | 962 | Che, Ling (1599) | Lost 0-2 | -151462 |
| 7standard | 1017 | Shimono, Tetsuro (1580) | Won 2-1 | +201482 |
| 8standard | 902 | Ishikawa, Naoki (1437) | Won 2-1 | +171499 |
| 9standard | 659 | Xie, Zhan (1748) | Lost 1-2 | -141485 |
| top | average opponent: 1500record: 4-5 | new rating: 1485 | ||