Tanaka, Katsumi
Current rating: 1500
Record: 7-7-2
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 474 | Touma, Takahiro (1694) | Won 2-1 | +211520 |
| 2standard | 314 | Kawashima, Takayuki (1443) | Won 2-0 | +171537 |
| 3standard | 488 | Goodo, Toshiyuki (1499) | Lost 0-2 | -191518 |
| 4standard | 402 | Takenaka, Toru (1497) | Lost 0-2 | -181500 |
| top | average opponent: 1533record: 2-2 | new rating: 1500 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 130 | Sumikawa, Daiki (1403) | Draw 1-1 | -11480 |
| 2standard | 789 | Fujimoto, Keiji (1522) | Won 2-1 | +191499 |
| 3standard | 781 | Motoi, Kenichi (1538) | Lost 1-2 | -181481 |
| 4standard | 1077 | Motoshi, Takahashi (1472) | Won 2-0 | +181499 |
| 5standard | 710 | Watanabe, Shouichi (1478) | Won 2-0 | +181517 |
| 6standard | 480 | Kojima, Terumasa (1505) | Lost 0-2 | -181499 |
| top | average opponent: 1486record: 3-2-1 | new rating: 1499 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2386 | Noguchi, Hiromasa (1422) | Lost 0-2 | -201501 |
| 2sealed | 2441 | Suzuki, Yasuko (1418) | Lost 1-2 | -201481 |
| top | average opponent: 1420record: 0-2 | new rating: 1481 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 247 | Mori, Masaki (1409) | Won 2-0 | +161516 |
| 2legacy | 119 | Shirayama, Yuuichi (1518) | Draw 1-1 | 01516 |
| 3legacy | 228 | Kakita, Takenori (1558) | Won 2-0 | +191535 |
| 4legacy | 118 | Robb, Justin (1729) | Lost 0-2 | -141521 |
| top | average opponent: 1554record: 2-1-1 | new rating: 1521 | ||