Kato, Kazuyuki
Current rating: 1309
Record: 10-23-2
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1327 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 269 | Masumoto, Kazuhiro (1522) | Lost 0-2 | -141313 |
| 2standard | 608 | Ishimoto, Yuki (1534) | Won 2-0 | +221335 |
| 3standard | 850 | Ota, Keisuke (1550) | Lost 1-2 | -141321 |
| 4standard | 705 | Kusunoki, Yuki (1643) | Lost 0-2 | -121309 |
| top | average opponent: 1562record: 1-3 | new rating: 1309 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1367 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 649 | Yokoide, Yuuta (1490) | Won 2-1 | +201387 |
| 2modern | 441 | Akamine, Yuta (1483) | Lost 0-2 | -161371 |
| 3modern | 746 | Akagawa, Syun (1502) | Lost 0-2 | -161355 |
| 4modern | 1142 | Kashima, Akihiro (1660) | Lost 1-2 | -121343 |
| 5modern | 1095 | Kuwashiro, Yoshiyuki (1363) | Lost 0-2 | -181325 |
| 6modern | 1182 | Yadu, Yoshiki (1297) | Draw 1-1 | 01325 |
| 7modern | 1088 | Namiki, Yusataka (1449) | Draw 1-1 | +21327 |
| 8modern | 954 | Taitou, Masahiko (1415) | Lost 1-2 | -161311 |
| 9modern | 851 | Osuga, Hiroaki (1254) | Won 2-0 | +161327 |
| top | average opponent: 1435record: 2-5-2 | new rating: 1327 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 632 | Pazanin, Tony (1442) | Won 2-0 | +181431 |
| 2legacy | 584 | Nemoto, Taku (1519) | Lost 0-2 | -161415 |
| 3legacy | 874 | Kumegawa, Nobuo (1449) | Lost 0-2 | -171398 |
| 4legacy | 841 | Sonohara, Takashi (1423) | Lost 1-2 | -181380 |
| 5legacy | 916 | Oku, Kousuke (1400) | Won 2-1 | +191399 |
| 6legacy | 808 | Tamano, Yuuki (1481) | Lost 1-2 | -171382 |
| 7legacy | 803 | Kumagai, Hitoshi (1501) | Lost 1-2 | -161366 |
| 8legacy | 772 | Jinno, Kaname (1363) | Won 2-1 | +181384 |
| 9legacy | 731 | Huang, Bing (1436) | Lost 1-2 | -171367 |
| top | average opponent: 1446record: 3-6 | new rating: 1367 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Oonishi, Natsuki (1459) | Lost 1-2 | -181445 |
| 2sealed | 353 | Yoshida, Takashi (1482) | Lost 1-2 | -171428 |
| 3sealed | 481 | Kawano, Yuuta (1464) | Lost 0-2 | -181410 |
| 4sealed | 504 | Chin, Mouse (1449) | Won 2-1 | +191429 |
| 5sealed | 428 | Kawashima, Yuki (1530) | Lost 1-2 | -161413 |
| top | average opponent: 1477record: 1-4 | new rating: 1413 | ||
| Grand Prix Okayama 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 241 | Takahashi, Teo (1557) | Lost 0-0 | -171483 |
| 2sealed | 233 | Fujimori, Masayoshi (1535) | Lost 0-2 | -171466 |
| 3sealed | 272 | Kobayashi, Shigenori (1431) | Won 2-0 | +171483 |
| 4sealed | 212 | Katou, Dai (1349) | Won 2-1 | +161499 |
| 5sealed | 158 | Suzuki, Ryuuichi (1376) | Won 2-0 | +161515 |
| 6sealed | 107 | Suzuki, Masatsuna (1705) | Lost 1-2 | -151500 |
| 7sealed | 30 | Takatsuki, Ryo (1420) | Lost 1-2 | -191481 |
| 8sealed | 121 | Yoshinaga, Mitsuteru (1507) | Lost 1-2 | -181463 |
| top | average opponent: 1485record: 3-5 | new rating: 1463 | ||