Stecher, Zach
Current rating: 1500
| Grand Prix Hartford 2018 (modern) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 261 | Gamble, Christopher (1500) | Won 2-1 | +171540 |
| 2modern | 114 | Papis, George (1399) | Lost 1-2 | -201520 |
| 3modern | 544 | Lasky, Zachary (1500) | Lost 1-2 | -191501 |
| 4modern | 597 | Salveson, Eric (1523) | Won 2-1 | +191520 |
| 5modern | 476 | O'Brien, Tyler (1444) | Lost 1-2 | -201500 |
| top | average opponent: 1473record: 2-3 | new rating: 1500 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 149 | Moreira da Silva, Rafael (1500) | Won 2-0 | +171545 |
| 2legacy | 311 | Cook, Nick (1478) | Won 2-0 | +171562 |
| 3legacy | 3 | Petrus, Christopher (1437) | Lost 1-2 | -201542 |
| 4legacy | 299 | Buchner, Hans (1500) | Lost 0-2 | -191523 |
| 5legacy | 412 | Westphal, Vincent (1497) | Won 2-0 | +181541 |
| 6legacy | 297 | Koh, Guangyong (1546) | Lost 0-2 | -181523 |
| top | average opponent: 1493record: 3-3 | new rating: 1523 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 306 | Schwartz, Robbie (1500) | Won 2-0 | +181518 |
| 2modern | 222 | Bryant, Steven (1497) | Won 2-0 | +181536 |
| 3modern | 144 | Valentine, AJ (1513) | Lost 0-2 | -191517 |
| 4modern | 345 | Cook, Bryant (1676) | Won 2-1 | +211538 |
| 5modern | 92 | Carmichael, John (1537) | Won 2-0 | +181556 |
| 6modern | 65 | St-Martin-Allard, Jonathan (1606) | Won 2-0 | +191575 |
| 7modern | 40 | Telarov, Aleksa (1809) | Lost 1-2 | -141561 |
| 8modern | 170 | Walter, Royce (1740) | Lost 0-2 | -151546 |
| 9modern | 159 | Lim, Ming Han Sidney Reuben (1516) | Lost 1-2 | -181528 |
| top | average opponent: 1599record: 5-4 | new rating: 1528 | ||