Cohen, Brett
Current rating: 1631
Record: 35-28
| Grand Prix Columbus 2019 (modern) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 26 | Haynes, Daniel (1500) | Won 2-0 | +161622 |
| 2modern | 7 | McInnes, Nicolas (1552) | Won 2-1 | +171639 |
| 3modern | 24 | Nguyen, Tuan (1822) | Won 2-1 | +211660 |
| 4modern | 64 | McCord, Bryan (1543) | Lost 1-2 | -201640 |
| 5modern | 107 | Li, Don (1691) | Won 2-1 | +191659 |
| 6modern | 83 | Adinolfi, Vincent (1736) | Won 2-1 | +201679 |
| 7modern | 13 | Bridges, Kayla (1285) | Won 2-0 | +111690 |
| 8modern | 23 | Coval, Brian (1646) | Lost 1-2 | -191671 |
| 9modern | 38 | Bartlett, Andrew (1547) | Won 2-1 | +161687 |
| 10modern | 194 | Rood, David (1755) | Lost 1-2 | -171670 |
| 11modern | 212 | Zhou, Xing (1531) | Lost 1-2 | -211649 |
| 12modern | 217 | Kusakabe, Kyohei (1659) | Won 2-0 | +191668 |
| 13modern | 204 | Willoughby, Tom (1736) | Lost 0-2 | -171651 |
| 14modern | 207 | Forrester, Bryceten (1566) | Lost 1-2 | -201631 |
| 15modern | 216 | Ha, Chris (1595) | ID | 01631 |
| top | average opponent: 1611record: 8-6-1 | new rating: 1631 | ||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 744 | Chok, Steven (1532) | Won 2-0 | +181570 |
| 2sealed | 673 | Henry, Jon (1470) | Won 2-1 | +161586 |
| 3sealed | 734 | Bolding, Jon (1809) | Lost 1-2 | -141572 |
| 4sealed | 882 | Bevans-Kerr, Nathan (1521) | Won 2-0 | +171589 |
| 5sealed | 755 | Barnard, Ryeland (1635) | Lost 0-2 | -171572 |
| 6sealed | 901 | Wakefield, Lindsay (1392) | Won 2-1 | +141586 |
| 7sealed | 727 | Alonso, Carlos (1537) | Won 2-0 | +181604 |
| 8sealed | 600 | Raymond, Richard (1644) | Won 2-1 | +181622 |
| 9sealed | 644 | Ferrando, Matthew (1788) | Lost 0-2 | -151607 |
| 10draft | 784 | Cole, Matt (1683) | Lost 1-2 | -161591 |
| 11draft | 781 | Cruz, Eric (1437) | Won 2-1 | +151606 |
| 12draft | 743 | Peel, Eric (1614) | Won 2-0 | +181624 |
| 13draft | 784 | Miller, Andrew (1644) | Lost 0-2 | -181606 |
| top | average opponent: 1593record: 8-5 | new rating: 1606 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 428 | Stocks, Broderick (1500) | Won 2-0 | +171560 |
| 2legacy | 331 | Sasser, Drake (1594) | Lost 0-2 | -171543 |
| 3legacy | 674 | Seliskar, Stephen (1443) | Lost 0-2 | -201523 |
| 4legacy | 1003 | Laird, Curtis (1452) | Won 2-1 | +171540 |
| 5legacy | 878 | Brothers, Mark (1499) | Lost 1-2 | -191521 |
| 6legacy | 850 | Baker, Thomas [USA] (1417) | Won 2-0 | +161537 |
| 7legacy | 816 | Kidd, Michael (1522) | Won 2-0 | +181555 |
| 8legacy | 672 | Endress, Mackenzie (1577) | Won 2-1 | +181573 |
| 9legacy | 537 | Boss, Brian (1769) | Won 2-0 | +221595 |
| 10legacy | 1154 | Fusco, Arthur (1821) | Lost 0-2 | -141581 |
| 11legacy | 1206 | Faulkner, Kody (1514) | Lost 1-2 | -191562 |
| 12legacy | 1210 | Pisano, Rob (2046) | Lost 0-2 | -101552 |
| top | average opponent: 1596record: 6-6 | new rating: 1552 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 589 | Mandell, Joshua (1364) | Lost 1-2 | -221523 |
| 2sealed | 1238 | Whyte, Zakary (1454) | Won 2-1 | +171540 |
| 3sealed | 332 | Terrell, Joshua (1482) | Won 2-0 | +171557 |
| 4sealed | 281 | Jeannin, Jules (1460) | Won 0-0 | +161573 |
| 5sealed | 142 | Stead, Bill (1813) | Lost 0-2 | -131560 |
| 6sealed | 184 | Padilla Chinas, Jorge (1649) | Lost 0-2 | -171543 |
| top | average opponent: 1537record: 3-3 | new rating: 1543 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1569 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 138 | Hatfield, Jesse (1582) | Lost 0-2 | -171552 |
| 2legacy | 406 | Cox, Kevin D (1482) | Won 2-0 | +161568 |
| 3legacy | 361 | Moore, Marshall (1435) | Lost 0-2 | -201548 |
| 4legacy | 511 | Wood, Jeremiah D (1482) | Won 2-1 | +171565 |
| 5legacy | 353 | Alexander, Christopher (1456) | Lost 0-2 | -201545 |
| top | average opponent: 1487record: 2-3 | new rating: 1545 | ||
| Grand Prix Denver 2001 (Invasion block) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 4block | 18 | Hager, Lucas (1545) | Lost 0-2 | -171484 |
| 5block | 46 | McKeown, Sean (1529) | Won 2-1 | +191503 |
| 6block | 38 | Faruzzi, Austin (1501) | Won 2-1 | +181521 |
| 7block | 24 | Stark, Ben S (1678) | ID | 01521 |
| 8block | 19 | Sanson, Albert (1571) | Won 2-0 | +191540 |
| 9block | 8 | Kenien, Randy (1644) | Lost 0-2 | -161524 |
| 10block | 23 | Stokinger, Andrew (1732) | Won 2-0 | +211545 |
| 11block | 11 | Senhouse, Chris (1637) | Won 2-1 | +201565 |
| 12block | 9 | Lieberman, Alex (1617) | Lost 0-2 | -171548 |
| 13block | 13 | Schmidt, Karl (1729) | Won 2-0 | +211569 |
| top | average opponent: 1618record: 6-3-1 | new rating: 1569 | ||
| Grand Prix Boston 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 32 | Tsitiridis, Peter (1518) | Won 2-0 | +181518 |
| 3sealed | 13 | Hope, Stephen (1517) | Lost 0-2 | -181500 |
| 4sealed | 99 | Hunt, Frank (1483) | Won 2-1 | +181518 |
| 5sealed | 68 | Mayo, Frank (1585) | Lost 0-2 | -171501 |
| top | average opponent: 1526record: 2-2 | new rating: 1501 | ||