Koines, John
Current rating: 1610
Record: 13-8
| Grand Prix Detroit 2013 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 305 | Berardesca, Daniel (1518) | Won 0-0 | +191501 |
| 3modern | 139 | Sullivan, Patrick (1889) | Won 2-1 | +251526 |
| 4modern | 4 | Smith, Elliot (1556) | Won 2-0 | +181544 |
| 5modern | 76 | Cornwell-Shiel, Chris (1552) | Won 2-0 | +181562 |
| 6modern | 25 | Rudolph, David (1711) | Won 2-1 | +211583 |
| 7modern | 18 | Tabler, Michael (1637) | Lost 0-2 | -171566 |
| 8modern | 26 | Rasmussen, Matt (1538) | Lost 1-2 | -191547 |
| 9modern | 115 | Molitor, Adam (1580) | Won 2-1 | +191566 |
| 10modern | 68 | Perry, Ben M (1568) | Won 2-0 | +181584 |
| 11modern | 51 | Lam, Michael (1635) | Won 2-1 | +191603 |
| 12modern | 18 | Miles, Rick (1607) | Won 2-0 | +181621 |
| 13modern | 16 | Siow, Lucas (1988) | Lost 1-2 | -121609 |
| 14modern | 34 | Coleman, Allison (1662) | Won 2-1 | +191628 |
| 15modern | 20 | Goldfarb, David (1617) | Lost 0-2 | -181610 |
| average opponent: 1647record: 10-4 | new rating: 1610 | |||
| Grand Prix Kansas City 2013 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 64 | Williams, Logan M. (1500) | Lost 0-2 | -181482 |
| 2modern | 243 | Weems, Matt (1482) | Lost 0-2 | -181464 |
| 3modern | 401 | Jones, Jared (1542) | Won 2-0 | +191483 |
| 4modern | 398 | Hamilton, Alexander (1532) | Won 2-1 | +191502 |
| 5modern | 299 | Paschal, David (1512) | Won 2-0 | +181520 |
| 6modern | 270 | Pozsgay, Marc (1424) | Lost 0-2 | -191501 |
| 7modern | 238 | Peterson, Jeremy (1468) | Lost 0-2 | -191482 |
| average opponent: 1494record: 3-4 | new rating: 1482 | |||