Karwoski, Andy
Current rating: 1640
Record: 15-7-1
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 502 | Shiwaku, Tsuyoshi (1871) | Won 2-1 | +231614 |
| 2sealed | 158 | Kagoi, Yuki (1349) | Won 2-0 | +141628 |
| 3sealed | 502 | Yoo, Jaejoon (1525) | Won 2-1 | +161644 |
| 4sealed | 246 | Hayashi, Hisaaki (1508) | Won 2-0 | +151659 |
| 5sealed | 93 | Hongou, Masato (1503) | Draw 1-1 | -31656 |
| 6sealed | 73 | Nose, Koji (1752) | Lost 0-2 | -161640 |
| 7sealed | 206 | Nakago, Ryosuke (1670) | Won 2-0 | +191659 |
| 8sealed | 115 | Sawatari, Kai (1611) | Lost 1-2 | -191640 |
| average opponent: 1599record: 5-2-1 | new rating: 1640 | |||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 449 | Murakami, Taku 3010 (1500) | Won 2-1 | +181518 |
| 2modern | 493 | Suzuki, Shota 9888 (1513) | Won 2-1 | +181536 |
| 3modern | 399 | Oonishi, Tatsuya (1627) | Won 2-0 | +201556 |
| 4modern | 175 | Yuda, Yukihiro (1535) | Lost 1-2 | -191537 |
| 5modern | 495 | Taga, Tomonori (1512) | Lost 1-2 | -181519 |
| 6modern | 703 | Jinnai, Ryosuke (1456) | Won 2-1 | +171536 |
| 7modern | 490 | Tai, Akio (1532) | Won 2-0 | +181554 |
| 8modern | 241 | Sakurai, Issei (1514) | Won 2-0 | +171571 |
| 9modern | 191 | Hoshino, Yuuki (1636) | Lost 0-2 | -171554 |
| 10modern | 186 | Hung, Juo Wen (1695) | Won 2-0 | +211575 |
| 11modern | 154 | Ma, Yiyuan (1619) | Won 2-0 | +181593 |
| 12modern | 78 | Tsutai, Koutarou (1345) | Won 2-1 | +141607 |
| 13modern | 65 | Seo, Kenta (1657) | Lost 0-2 | -171590 |
| 14modern | 103 | Sakaino, Yuta (1587) | Won 2-1 | +181608 |
| 15modern | 88 | Terada, Shuuhei (1691) | Lost 1-2 | -171591 |
| average opponent: 1561record: 10-5 | new rating: 1591 | |||