Arches, Joel
Current rating: 1487
Record: 4-5
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 936 | Iijima, Yutaka (1669) | Won 2-0 | +211521 |
| 2sealed | 785 | Ishida, Shoichi (1489) | Lost 0-2 | -191502 |
| 3sealed | 861 | Kondou, Masaru (1500) | Lost 1-2 | -181484 |
| 4sealed | 1052 | Sasaki, Masaya7465 (1482) | Won 2-0 | +181502 |
| 5sealed | 896 | Kawaguchi, Tetsu (1503) | Lost 0-2 | -181484 |
| 6sealed | 957 | Terawaki, Koji (1486) | Won 2-0 | +181502 |
| 7sealed | 910 | Skinstad, Erik (1530) | Lost 0-2 | -171485 |
| 8sealed | 1025 | Ichikawa, Norikazu (1601) | Won 2-0 | +201505 |
| 9sealed | 969 | Nikaidou, Satoshi (1520) | Lost 0-2 | -181487 |
| average opponent: 1531record: 4-5 | new rating: 1487 | |||