Zaharenios, Matthew
Current rating: 1472
Record: 4-7
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 153 | King, Ethan (1547) | Won 2-1 | +191469 |
| 4standard | 25 | DiMaria, Henry (1544) | Lost 0-2 | -161453 |
| 5standard | 128 | Kelly, Jeff (1600) | Won 2-0 | +201473 |
| 6standard | 44 | Vitullo, Joshua (1608) | Won 2-1 | +211494 |
| 7standard | 17 | Haversat, Jacob (1944) | Lost 1-2 | -111483 |
| 8standard | 111 | Kvartek, Chris (1858) | Lost 1-2 | -111472 |
| average opponent: 1684record: 3-3 | new rating: 1472 | |||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 160 | Peebles, Terence (1500) | Lost 1-2 | -181482 |
| 2standard | 395 | Smith, Ken (1481) | Lost 1-2 | -181464 |
| 3standard | 745 | Emmert, Joey (1464) | Won 2-1 | +181482 |
| 4standard | 591 | Edwards, Ken (1502) | Lost 1-2 | -181464 |
| 5standard | 704 | Singer, Jared (1639) | Lost 1-2 | -141450 |
| average opponent: 1517record: 1-4 | new rating: 1450 | |||