Baba, Kosei
Current rating: 1427
Record: 2-6
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 634 | Miyamoto, Keisuke (1351) | Lost 0-2 | -211479 |
| 2modern | 824 | Seno, Takeshi (1442) | Lost 0-2 | -181461 |
| 3modern | 1072 | Fujioka, Kazato (1454) | Lost 0-2 | -191442 |
| 4modern | 1133 | Yamamoto, Kouhei (1531) | Won 2-0 | +201462 |
| 5modern | 980 | Arai, Eiichi (1325) | Won 2-0 | +161478 |
| 6modern | 757 | Oshimi, Takeshi (1447) | Lost 1-2 | -191459 |
| 7modern | 791 | Horikoshi, Takayuki (1626) | Lost 1-2 | -151444 |
| 8modern | 708 | Ohori, Akihito (1487) | Lost 0-2 | -171427 |
| average opponent: 1458record: 2-6 | new rating: 1427 | |||