Kawamura, Takumi
Current rating: 1432
| Grand Prix Yokohama 2019 (modern) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 551 | Tamaki, Akira (1669) | Won 2-1 | +221461 |
| 2modern | 355 | Ishimoto, Yuki (1550) | Lost 1-2 | -161445 |
| 3modern | 613 | Itou, Atsuya (1501) | Lost 1-2 | -171428 |
| 4modern | 1000 | Tanaka, Yousuke (1514) | Won 2-0 | +201448 |
| 5modern | 578 | Sakai, Yasumasa (1436) | Won 2-1 | +171465 |
| 6modern | 490 | Wong, Arthur (1527) | Lost 0-2 | -171448 |
| 7modern | 681 | Togo, Takahiro (1506) | Lost 0-2 | -161432 |
| top | average opponent: 1529record: 3-4 | new rating: 1432 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 533 | Hisada, Kazuhiro (1448) | Won 2-1 | +181470 |
| 2standard | 157 | Odachi, Kentarou (1464) | Lost 1-2 | -191451 |
| 3standard | 1003 | Sashida, Tomoro (1611) | Won 2-0 | +211472 |
| 4standard | 761 | Uemoto, Takahiro (1492) | Lost 1-2 | -171455 |
| 5standard | 727 | Enomoto, Keisuke (1449) | Lost 0-2 | -181437 |
| 6standard | 936 | Hasegawa, Ryota (1469) | Won 2-1 | +181455 |
| 7standard | 945 | Nagafuchi, Ei (1483) | Won 2-0 | +191474 |
| 8standard | 568 | Ninohira, Yuuya (1479) | Lost 0-2 | -181456 |
| 9standard | 612 | Jinba, Daisuke (1532) | Lost 1-2 | -171439 |
| top | average opponent: 1492record: 4-5 | new rating: 1439 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 62 | Okawara, Shinichi (1464) | Lost 0-2 | -191481 |
| 2sealed | 439 | Ootsuka, Yuusuke (1655) | Lost 0-2 | -151466 |
| 3sealed | 570 | Kajimura, Ryu (1463) | Won 2-1 | +181484 |
| 4sealed | 478 | Kim, Min-Seok (1482) | Lost 1-2 | -181466 |
| 5sealed | 442 | Kamiya, Kazuhiro (1385) | Won 2-1 | +171483 |
| 6sealed | 377 | Deguchi, Keizou (1483) | Won 2-0 | +181501 |
| 7sealed | 283 | Watanabe, Tomonari (1470) | Lost 0-2 | -191482 |
| 8sealed | 218 | Kawachi, Yusuke (1603) | Lost 0-2 | -151467 |
| 9sealed | 181 | Mohd Khairul Anuar, Abdul Aziz (1639) | Lost 1-2 | -151452 |
| top | average opponent: 1516record: 3-6 | new rating: 1452 | ||