Endo, Ken
Current rating: 1371
Record: 4-12-3
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1382 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 134 | Kumoura, Daisuke (1788) | Lost 1-2 | -111371 |
| top | record: 0-1 | new rating: 1371 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 127 | Hirosawa, Yuuichirou (1603) | Draw 1-1 | +31430 |
| 2standard | 215 | Sugai, Masaki (1499) | Lost 1-2 | -171413 |
| 3standard | 363 | Ishikawa, Yosuke (1481) | Draw 1-1 | +21415 |
| 4standard | 391 | Naono, Shuichi (1424) | Lost 0-2 | -181397 |
| 5standard | 373 | Futami, Yoshiki (1444) | Lost 0-2 | -171380 |
| 6standard | 329 | Kawaguchi, Hiroshi (1436) | Won 2-0 | +191399 |
| 7standard | 273 | Kondou, Keiichi (1469) | Lost 0-2 | -171382 |
| top | average opponent: 1479record: 1-4-2 | new rating: 1382 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 955 | Yoshida, Kazuhiro 799 (1500) | Draw 1-1 | 01499 |
| 2sealed | 938 | Abe, Hiroyuki (1501) | Lost 0-2 | -181481 |
| 3sealed | 1077 | Ishikawa, Fumiaki (1482) | Lost 1-2 | -181463 |
| 4sealed | 1120 | Iwashima, Akinori (1444) | Lost 0-2 | -181445 |
| 5sealed | 1079 | Hashizume, Yoshiaki (1468) | Lost 0-2 | -181427 |
| top | average opponent: 1479record: 0-4-1 | new rating: 1427 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 430 | Takayasu, Yuta (1500) | Lost 1-2 | -181482 |
| 2modern | 477 | Kurusu, Kazuki (1577) | Lost 0-2 | -161466 |
| 3modern | 631 | Wada, Ryota (1465) | Lost 0-2 | -181448 |
| 4modern | 687 | Tsuchiya, Yoshihiro (1446) | Won 2-0 | +181466 |
| 5modern | 583 | Kaido, Yoshiaki (1448) | Won 2-1 | +171483 |
| 6modern | 497 | Nisigahana, Tatunori (1341) | Won 2-1 | +161499 |
| top | average opponent: 1463record: 3-3 | new rating: 1499 | ||