Matsukawa, Jiro
Current rating: 1499
Record: 4-4
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 718 | Asai, Shin (1461) | Lost 0-2 | -191481 |
| 2modern | 632 | Eguchi, Yukio (1579) | Lost 0-2 | -161465 |
| 3modern | 1039 | Yoshino, Yuki (1464) | Won 2-1 | +181483 |
| 4modern | 1115 | Ibuki, Teruya (1494) | Lost 1-2 | -181465 |
| 5modern | 988 | Sevcik, Lukas (1463) | Won 2-1 | +181483 |
| 6modern | 770 | Kawata, Kazuki (1511) | Won 2-1 | +191502 |
| 7modern | 637 | Nagata, Masaya (1483) | Won 2-0 | +171519 |
| 8modern | 516 | Niitani, Nobuhide (1415) | Lost 1-2 | -201499 |
| average opponent: 1484record: 4-4 | new rating: 1499 | |||