Lubarsky, Zachary
Current rating: 1614
Record: 21-15-1
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1578 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 380 | Murray, Christopher (1459) | Won 2-1 | +161594 |
| 2sealed | 172 | Sheehan, Nick (1519) | Won 2-0 | +161610 |
| 3sealed | 104 | Kariluoma, Matti (1414) | Lost 0-2 | -211589 |
| 4sealed | 249 | Dickey, Christopher (1487) | Won 2-0 | +161605 |
| 5sealed | 155 | Phillips, Jase (1722) | Won 2-0 | +201625 |
| 6sealed | 91 | Dhaliwal, Shawn (1990) | Won 2-0 | +241649 |
| 7sealed | 32 | Thuemler, Joseph (1865) | Lost 1-2 | -141635 |
| 8sealed | 146 | Takeda, Alex (1437) | Lost 1-2 | -211614 |
| top | average opponent: 1612record: 5-3 | new rating: 1614 | ||
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 52 | Brummett, Chris (1766) | Lost 0-2 | -151565 |
| 2standard | 251 | Novotny, Gordon (1479) | Draw 1-1 | -11564 |
| 3standard | 263 | Schlagenhauf, Alexis (1482) | Won 2-0 | +161580 |
| 4standard | 202 | Shields, Ben (1519) | Won 2-0 | +171597 |
| 5standard | 142 | Soule, Arran (1517) | Lost 0-2 | -191578 |
| top | average opponent: 1552record: 2-2-1 | new rating: 1578 | ||
| Grand Prix Vancouver 2014 (THS standard) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 206 | Turcotte, Brandon (1500) | Lost 0-2 | -191537 |
| 2standard | 356 | Gleboff, Michael (1482) | Won 2-0 | +171554 |
| 3standard | 250 | Miner, Nick (1464) | Won 2-1 | +161570 |
| 4standard | 211 | Semeniuk, Liam (1504) | Lost 0-2 | -191551 |
| 5standard | 211 | Johnson, Derek (1331) | Won 2-0 | +141565 |
| 6standard | 277 | Philip, Bradley (1521) | Won 2-1 | +171582 |
| 7standard | 127 | Heaton, Bob (1535) | Won 2-0 | +171599 |
| 8standard | 133 | Yaciw, Jake (1528) | Lost 1-2 | -191580 |
| top | average opponent: 1483record: 5-3 | new rating: 1580 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 32 | Siczewicz, Ian (1500) | Lost 0-2 | -181505 |
| 2sealed | 215 | Hertz, Ryan (1447) | Won 2-0 | +171522 |
| 3sealed | 228 | Del Gobbo, Adam (1497) | Lost 0-2 | -191503 |
| 4sealed | 268 | Breese, Jesse (1482) | Won 2-0 | +181521 |
| 5sealed | 146 | Pearson, Dennis (1499) | Won 2-0 | +171538 |
| 6sealed | 132 | Talaga, Andrew J (1555) | Won 2-0 | +191557 |
| 7sealed | 81 | Walter, Royce (1534) | Won 2-0 | +171574 |
| 8sealed | 64 | Kandziolka, James (1552) | Lost 0-2 | -181556 |
| top | average opponent: 1508record: 5-3 | new rating: 1556 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 68 | Ellis, Kenneth (1747) | Lost 1-2 | -141486 |
| 5standard | 163 | Nikoula, Mark (1510) | Won 2-0 | +191505 |
| 6standard | 34 | Patterson, Josh F (1558) | Won 2-0 | +191524 |
| 7standard | 50 | Lee, Jackie (1488) | Won 2-0 | +171541 |
| 8standard | 14 | Levy, Raphael (1899) | Won 2-1 | +241565 |
| 9standard | 11 | Blohon, Lukas (2082) | Lost 0-2 | -91556 |
| 11standard | 88 | Nikitin, Dmitry (1670) | Lost 0-2 | -161540 |
| 12standard | 99 | Grube, Peter L (1591) | Lost 1-2 | -171523 |
| top | average opponent: 1693record: 4-4 | new rating: 1523 | ||