Balster, George
Current rating: 1545
Record: 25-28
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 53 | Velez, Javier (1433) | Lost 1-2 | -201534 |
| 3sealed | 375 | Wolff, Paul (1503) | Won 2-0 | +171551 |
| 4sealed | 423 | Robinson, Bradley (1865) | Won 2-1 | +241575 |
| 5sealed | 278 | Flory, Jason (1541) | Won 1-0 | +171592 |
| 6sealed | 132 | Burns, Blake (1598) | Lost 0-2 | -181574 |
| 7sealed | 209 | Tomajko, Oliver (2067) | Lost 0-2 | -91565 |
| 8sealed | 231 | Maurer, Ian (1476) | Lost 0-2 | -201545 |
| top | average opponent: 1640record: 3-4 | new rating: 1545 | ||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 89 | Chasson, Dylan (1553) | Lost 0-2 | -181552 |
| 4sealed | 330 | He, Brandon (1677) | Won 2-1 | +201572 |
| 5sealed | 228 | Corbin, Julia (1564) | Lost 1-2 | -181554 |
| top | average opponent: 1598record: 1-2 | new rating: 1554 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 48 | Feingersh, Rachel (1775) | Won 2-0 | +221570 |
| 4sealed | 147 | Skinner, Tom (1675) | Won 2-0 | +201590 |
| 5sealed | 12 | Schriever, Daniel (1766) | Lost 0-2 | -151575 |
| 6sealed | 96 | LeBlanc, Aaron (1801) | Lost 0-2 | -141561 |
| 7sealed | 249 | Abrahams, Rafi (1752) | Won 2-0 | +211582 |
| 8sealed | 152 | Cox, Patrick (1907) | Lost 1-2 | -121570 |
| top | average opponent: 1779record: 3-3 | new rating: 1570 | ||
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 56 | Merrick, Greg (1509) | Won 2-1 | +181532 |
| 4standard | 67 | Pite, Derek (1811) | Won 2-0 | +231555 |
| 5standard | 31 | Pinilla, Brandon (1582) | Lost 0-2 | -181537 |
| 6standard | 68 | Stillman, Steve (1709) | Won 2-0 | +221559 |
| 7standard | 82 | Kostecka, Kyle (1557) | Won 2-1 | +181577 |
| 8standard | 16 | Kaplan, Louis (1814) | Won 2-1 | +221599 |
| 9standard | 32 | Lyons, Greg (1580) | Lost 1-2 | -191580 |
| 10standard | 27 | Wells, John W (1986) | Lost 1-2 | -111569 |
| 11standard | 66 | Dhaliwal, Shawn (1887) | Won 2-0 | +241593 |
| 12standard | 39 | Solis, Steven (1834) | Lost 1-2 | -141579 |
| 13standard | 63 | Nguyen, Tuan (1837) | Lost 0-2 | -131566 |
| 14standard | 84 | Gayan, Zachary (1554) | Lost 0-2 | -181548 |
| top | average opponent: 1722record: 6-6 | new rating: 1548 | ||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 152 | Kortelainen, Kyle (1535) | Won 2-0 | +191539 |
| 4sealed | 15 | Nugent, Sarah (1488) | Lost 1-2 | -191520 |
| 5sealed | 65 | Hayden, John (1535) | Won 2-0 | +181538 |
| 6sealed | 55 | Cuneo, Andrew (2147) | Lost 0-2 | -81530 |
| 7sealed | 227 | Paquin, Sebastien (1655) | Lost 0-2 | -161514 |
| top | average opponent: 1672record: 2-3 | new rating: 1514 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 20 | Yushua, Prince (1500) | Won 2-0 | +181505 |
| 2sealed | 205 | Tam, Wai (978) | Won 2-0 | +91514 |
| 3sealed | 232 | Ugale, Ashwin (1823) | Lost 0-2 | -121502 |
| 4sealed | 202 | Lopez, Jose Manuel (1496) | Won 2-0 | +181520 |
| 5sealed | 177 | Chen, Gregory (1583) | Won 2-0 | +191539 |
| 6sealed | 49 | Stewart, Joshua (1717) | Lost 0-2 | -151524 |
| 7sealed | 218 | Chambers, Colron (1467) | Won 2-0 | +171541 |
| 8sealed | 159 | Claudel, Slater (1813) | Lost 1-2 | -131528 |
| 9sealed | 140 | Shenhar, Shahar (2186) | Lost 1-2 | -81520 |
| top | average opponent: 1618record: 5-4 | new rating: 1520 | ||
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 269 | Ortiz, Sebastian (1502) | Lost 1-2 | -181471 |
| 2sealed | 386 | Zhang, Minkang (1386) | Won 2-0 | +171488 |
| 3sealed | 339 | Hillman, Daniel (1499) | Won 2-0 | +181506 |
| 4sealed | 274 | Peers, Jennifer (1454) | Lost 0-2 | -191487 |
| top | average opponent: 1460record: 2-2 | new rating: 1487 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 41 | Pau, Vincent (1506) | Lost 0-2 | -181489 |
| top | record: 0-1 | new rating: 1489 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 316 | Linkus, Matthew (1500) | Won 2-0 | +181518 |
| 2sealed | 4 | Wang, Wenjia (1396) | Won 2-0 | +161534 |
| 3sealed | 278 | Sadowsky, Joel (1705) | Won 2-1 | +211555 |
| 4sealed | 102 | Ghiron, Marc (1551) | Lost 1-2 | -181537 |
| 5sealed | 121 | Bruce, Adam (1450) | Lost 1-2 | -201517 |
| 6sealed | 423 | Sittner, Alex (1970) | Lost 0-2 | -101507 |
| top | average opponent: 1595record: 3-3 | new rating: 1507 | ||