Koyanagi, Yasunori
Current rating: 1300
Record: 7-21-1
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1357 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 699 | Tateno, Saburo (1500) | Lost 0-2 | -151342 |
| 2standard | 803 | Asada, Hiroki (1482) | Won 2-0 | +201362 |
| 3standard | 787 | Tabei, Hirotomo (1483) | Lost 0-2 | -161346 |
| 4standard | 837 | Okada, Taro (1508) | Lost 1-2 | -151331 |
| 5standard | 875 | Matsui, Hiroki (1466) | Lost 1-2 | -151316 |
| 6standard | 838 | Watanabe, Norimasa (1435) | Lost 0-2 | -161300 |
| top | average opponent: 1479record: 1-5 | new rating: 1300 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1391 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 11 | Takizawa, Ryouta (1560) | Lost 1-2 | -151376 |
| 2sealed | 321 | Kiyohara, Yuuki (1481) | Won 2-0 | +201396 |
| 3sealed | 388 | Hasegawa, Kazunari (1545) | Won 2-0 | +201416 |
| 4sealed | 195 | Yutaka M., (1540) | Lost 1-2 | -151401 |
| 5sealed | 252 | Takamizu, Tomohiro (1579) | Lost 0-2 | -151386 |
| 6sealed | 347 | Abe, Kouya (1482) | Lost 0-2 | -161370 |
| 7sealed | 288 | Kubo, Yuta (1465) | Won 2-0 | +191389 |
| 8sealed | 353 | Mitsumori, Masahiko (1529) | Lost 1-2 | -151374 |
| 9sealed | 352 | Fujimoto, Keiji (1444) | Lost 1-2 | -171357 |
| top | average opponent: 1514record: 3-6 | new rating: 1357 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 384 | Furuya, Youhei (1596) | Lost 1-2 | -161434 |
| 2standard | 444 | Itou, Motoki (1482) | Draw 1-1 | +11435 |
| 3standard | 650 | Tani, Shinichi (1482) | Lost 1-2 | -171418 |
| 4standard | 752 | Suzuki, Takahiro (1890) | Lost 0-2 | -101408 |
| 5standard | 705 | Asai, Yuuichi (1446) | Lost 0-2 | -171391 |
| top | average opponent: 1579record: 0-4-1 | new rating: 1391 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 3 | Miyazaki, Tetsuya (1517) | Won 2-0 | +191483 |
| 2block | 24 | Trett, Carl A (1515) | Won 2-1 | +191502 |
| 3block | 22 | Imagawa, Hiromasa (1524) | Lost 0-2 | -181484 |
| 4block | 145 | Ono, Ippei (1572) | Lost 0-2 | -161468 |
| 5block | 161 | Umi, Hirokazu (1470) | Lost 0-2 | -181450 |
| top | average opponent: 1519record: 2-3 | new rating: 1450 | ||
| Grand Prix Sendai 2001 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 48 | Watahiki, Hiroto (1500) | Won 2-0 | +181518 |
| 2extended | 28 | Terasaka, Naoki (1518) | Lost 0-2 | -181500 |
| 3extended | 144 | Mukaiyama, Toru (1499) | Lost 1-2 | -181482 |
| 4extended | 161 | Waga, Hiroyuki (1483) | Lost 1-2 | -181464 |
| top | average opponent: 1500record: 1-3 | new rating: 1464 | ||