Mandel, Arthur
Current rating: 1565
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 59 | Van Tongeren, Miles (1553) | Lost 0-2 | -171511 |
| 2standard | 266 | McKenzie, Jared (1473) | Won 2-0 | +171528 |
| 3standard | 414 | Mondel, Johnathan (1535) | Won 2-1 | +181546 |
| 4standard | 311 | Sulak, Andrew (1525) | Lost 0-2 | -181528 |
| 5standard | 403 | Tiberio, Carlos (1613) | Won 2-1 | +191547 |
| 6standard | 295 | Pindus, Toby (1517) | Won 2-0 | +181565 |
| 7standard | 134 | Alleman, Lincoln (1538) | Won 2-0 | +171582 |
| 8standard | 75 | Shields, True (1608) | Lost 1-2 | -171565 |
| top | average opponent: 1545record: 5-3 | new rating: 1565 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 88 | Gross, Ethan (1500) | Won 2-0 | +191496 |
| 2standard | 254 | Cooper, Geddes (1834) | Lost 1-2 | -121484 |
| 3standard | 433 | Zobel, John (1533) | Lost 0-2 | -171467 |
| 4standard | 726 | Haussmann, Phil (1691) | Won 2-1 | +221489 |
| 5standard | 524 | Armstrong, Joshua (1526) | Won 2-0 | +181507 |
| 6standard | 442 | Labuda, Lucas (1672) | Lost 1-2 | -151492 |
| 7standard | 440 | McIsaac, Neil (1525) | Won 2-1 | +191511 |
| 8standard | 415 | Kroumov, Vassil (1530) | Won 2-0 | +181529 |
| 9standard | 220 | Shield, Jeffrey (1473) | Won 2-0 | +171546 |
| 10standard | 131 | Warner, Xavier (1550) | Lost 0-2 | -181528 |
| top | average opponent: 1583record: 6-4 | new rating: 1528 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 220 | Gothard, Kevin (1566) | Won 2-0 | +191519 |
| 2standard | 127 | Ashok, Luca (1518) | Lost 1-2 | -181501 |
| 3standard | 401 | Priester, David (1462) | Won 2-1 | +171518 |
| 4standard | 424 | Martinez, Steven 2 (1552) | Lost 1-2 | -171501 |
| 5standard | 459 | Stewart, Alexander (1313) | Won 2-0 | +151516 |
| 6standard | 357 | Rubinoff, Jeremy (1437) | Lost 0-2 | -201496 |
| 7standard | 380 | Lagace, Jean-Samuel (1455) | Lost 1-2 | -191477 |
| top | average opponent: 1472record: 3-4 | new rating: 1477 | ||