Vapnik, Mikhail
Current rating: 1533
Record: 17-18
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 176 | Smith, Peter (1500) | Won 2-0 | +191507 |
| 2modern | 107 | Savarin, Billy (1560) | Won 2-0 | +191526 |
| 3modern | 74 | McPhail, Daniel (1466) | Won 2-1 | +171543 |
| 4modern | 47 | Barnes, Bert (1510) | Won 2-0 | +171560 |
| 5modern | 53 | Angiuli, Carlo (1557) | Lost 1-2 | -181542 |
| 6modern | 154 | Coursey, Benjamin (1604) | Lost 1-2 | -171525 |
| 7modern | 182 | Hackathorn, Robert (1501) | Won 2-0 | +181543 |
| 8modern | 138 | Briggs, Benjamin (1618) | Won 2-0 | +191562 |
| 9modern | 61 | Hawkins, Avery (1578) | Won 2-1 | +181580 |
| 10modern | 83 | Seelye, Lisa (1584) | Lost 1-2 | -181562 |
| 11modern | 131 | Remillard, Michel (1725) | Lost 1-2 | -151547 |
| 12modern | 122 | Kanellis, David (1559) | Won 2-1 | +181565 |
| 13modern | 107 | Ogreenc, Greg (1754) | Lost 0-2 | -141551 |
| 14modern | 117 | Kelley, Joshua (1577) | Lost 0-0 | -181533 |
| top | average opponent: 1578record: 8-6 | new rating: 1533 | ||
| Grand Prix Philadelphia 2014 (BNG limited) | starting rating: 1404 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 214 | Rizzo, Robert (1500) | Won 2-0 | +201424 |
| 2sealed | 135 | Wheelis, Kristopher (1518) | Won 2-1 | +191443 |
| 3sealed | 325 | Rabel, Joe (1544) | Won 2-1 | +201463 |
| 4sealed | 10 | Rubin, Steve (1827) | Won 2-0 | +241487 |
| 5sealed | 99 | Martin, Alexander (1573) | Won 2-1 | +201507 |
| 6sealed | 4 | Jones, Brandon (1609) | Won 2-0 | +201527 |
| 7sealed | 6 | Ochoa, David (1989) | Lost 1-2 | -101517 |
| 8sealed | 77 | Greenbaum, Micah (1668) | Lost 0-0 | -161501 |
| 9sealed | 123 | Robdrup, Andy (1781) | Lost 1-2 | -131488 |
| top | average opponent: 1668record: 6-3 | new rating: 1488 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 241 | Stanley, Phillip (1518) | Lost 1-2 | -161412 |
| 3standard | 494 | Stell, Joshua (1500) | Won 2-0 | +191431 |
| 4standard | 449 | Lopez-Moreno, Alvaro (1493) | Lost 0-2 | -171414 |
| 5standard | 482 | Shiels, David (1842) | Lost 0-2 | -101404 |
| top | average opponent: 1588record: 1-3 | new rating: 1404 | ||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 295 | Lynn, Ryan (1495) | Won 2-0 | +181480 |
| 2sealed | 182 | Jette, Francis (1543) | Lost 0-2 | -171463 |
| 3sealed | 325 | Leger, Thomas (1471) | Lost 0-2 | -181445 |
| 4sealed | 414 | Tubergen, Pieter (1482) | Lost 1-2 | -171428 |
| top | average opponent: 1498record: 1-3 | new rating: 1428 | ||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 348 | Feeley, Sam (1405) | Won 2-1 | +161516 |
| 2sealed | 16 | Vogel, Eric (1517) | Lost 1-2 | -181498 |
| 3sealed | 490 | Kerr, Tomo R (1453) | Lost 1-2 | -191479 |
| 4sealed | 674 | Foot, Derek (1483) | Lost 1-2 | -171462 |
| top | average opponent: 1465record: 1-3 | new rating: 1462 | ||