Brock, Darin
Current rating: 1582
Record: 35-32-1
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1652 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 450 | Kuras, David (1558) | Won 2-0 | +171669 |
| 4modern | 178 | Collins, Kenyon (1868) | Lost 0-2 | -151654 |
| 5modern | 1333 | Fukuda, Yuuki (1556) | Won 2-0 | +161670 |
| 6modern | 176 | Parco, Justin (1486) | Won 2-1 | +151685 |
| 7modern | 50 | Torres, Oscar (1570) | Lost 1-2 | -201665 |
| 8modern | 166 | Coria, Oscar (1538) | Won 2-1 | +161681 |
| 9modern | 5049 | Sinclair, Brett (1888) | Lost 1-2 | -151666 |
| 10modern | 5149 | Tubergen, Pieter (1623) | Lost 0-2 | -181648 |
| 11modern | 5184 | Odenheimer, Nicholas (1542) | Won 2-0 | +161664 |
| 12modern | 5159 | Dale, Jordan (1571) | Lost 1-2 | -201644 |
| 13modern | 5161 | Espiritu, Rayton (1537) | Lost 0-2 | -201624 |
| 14modern | 5152 | Wysocki, Eric (1504) | Lost 1-2 | -201604 |
| 15modern | 5148 | Chernov, Eugene (1382) | Lost 0-2 | -221582 |
| top | average opponent: 1586record: 5-8 | new rating: 1582 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 192 | Parker, Kevin (1619) | Lost 0-2 | -181609 |
| 3modern | 311 | Myers, Robert (1486) | Won 2-0 | +161625 |
| 4modern | 194 | Cua, Paolo (1663) | Won 2-0 | +181643 |
| 5modern | 119 | Jacobson, Mark (2010) | Lost 0-2 | -111632 |
| 6modern | 310 | Wang, Wilson (1556) | Won 2-1 | +161648 |
| 7modern | 146 | Lee, Farand (1813) | Won 2-0 | +211669 |
| 8modern | 136 | Abrahams, Rafi (1723) | Lost 0-2 | -171652 |
| top | average opponent: 1696record: 4-3 | new rating: 1652 | ||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1548 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 30 | Moritz, Sam (1586) | Won 2-0 | +191567 |
| 3modern | 38 | Klayman, William (1480) | Won 2-1 | +171584 |
| 4modern | 36 | Yost, Austin (1780) | Lost 0-2 | -151569 |
| 5modern | 220 | Lopez, Andres (1473) | Won 2-0 | +161585 |
| 6modern | 64 | Davis, Levi (1548) | Won 2-1 | +181603 |
| 7modern | 31 | Cuneo, Andrew (2157) | Lost 1-2 | -91594 |
| 8modern | 109 | Humphries, Mickey (1894) | Lost 0-2 | -131581 |
| 9modern | 140 | Curnutt, Nick (1501) | Won 2-0 | +171598 |
| 10modern | 149 | Pugh, Kimon (1560) | Lost 1-2 | -191579 |
| 11modern | 165 | Petitt, Joseph (1543) | Won 2-1 | +171596 |
| 12modern | 150 | Brakefield, Erik (1534) | Lost 0-2 | -191577 |
| 13modern | 131 | Tilsen, Patrick (1578) | Won 2-1 | +181595 |
| 14modern | 111 | South, Tyler (1563) | Won 2-0 | +181613 |
| 15modern | 94 | Whitsitt, Steven (1418) | Won 2-0 | +141627 |
| top | average opponent: 1615record: 9-5 | new rating: 1627 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 73 | Kelley, Connor (1316) | Lost 1-2 | -221473 |
| 4standard | 318 | Trimmer, Daniel (1520) | Won 2-1 | +191492 |
| 5standard | 216 | Withers, Matthew (1461) | Won 0-0 | +181510 |
| 6standard | 118 | Yaman, Robert (1758) | Won 2-0 | +221532 |
| 7standard | 98 | Wong, Gary (1904) | Draw 1-1 | +71539 |
| 8standard | 79 | Agnew, Mike (1562) | Lost 0-2 | -181521 |
| 9standard | 142 | Bott, Jonathan (1539) | Won 2-1 | +181539 |
| 10standard | 92 | Bracken, Nicholas (1579) | Lost 1-2 | -171522 |
| 11standard | 158 | Connell, Nicholas (1699) | Won 2-1 | +211543 |
| 12standard | 109 | Kwan, Michael (1749) | Lost 0-2 | -141529 |
| 13standard | 140 | Tichy, Derek (1528) | Won 2-0 | +181547 |
| 14standard | 103 | Carlson, Matt (1584) | Lost 0-2 | -171530 |
| 15standard | 117 | Najam, Imran (1570) | Won 2-1 | +181548 |
| top | average opponent: 1598record: 7-5-1 | new rating: 1548 | ||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 82 | Spence, Benjamin (1518) | Lost 1-2 | -181470 |
| 3standard | 511 | Hoeninghausen, Jacob (1452) | Lost 1-2 | -181452 |
| 4standard | 568 | Ferreira, Kyle (1432) | Won 2-0 | +171469 |
| 5standard | 475 | Sparks, Jesse (1499) | Won 2-0 | +191488 |
| 6standard | 363 | Boutet, Patrick (1668) | Lost 1-2 | -151473 |
| 7standard | 370 | Renfro, Sam (1472) | Won 2-1 | +181491 |
| 8standard | 380 | Thompson, Samwise (1519) | Won 2-1 | +191510 |
| 9standard | 281 | O'Leary, Sanchez (1671) | Lost 0-0 | -151495 |
| top | average opponent: 1529record: 4-4 | new rating: 1495 | ||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Pearson, Nate (1500) | Won 2-1 | +191500 |
| 2sealed | 113 | Gutierrez, Denise (1518) | Won 2-0 | +181518 |
| 3sealed | 112 | Koo, Eugene (1638) | Lost 0-2 | -161502 |
| 4sealed | 433 | Meyer, Jd (1514) | Lost 1-2 | -181484 |
| 5sealed | 530 | Kenyon, Corban (1500) | Won 2-0 | +191503 |
| 6sealed | 369 | Wenzel, John (1629) | Lost 1-2 | -161487 |
| 7sealed | 356 | Kurtzman, Andrew (1543) | Lost 1-2 | -171470 |
| 8sealed | 312 | Vanaerde, Sigourney (1455) | Won 2-1 | +181488 |
| top | average opponent: 1537record: 4-4 | new rating: 1488 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 153 | King, Adam (1454) | Lost 0-2 | -191481 |
| 2standard | 571 | Kingdon, Kent (1482) | Lost 1-2 | -181463 |
| 3standard | 702 | Hileman, Alexis (1464) | Won 2-0 | +181481 |
| 4standard | 531 | Morries, Patrick (1482) | Won 2-0 | +181499 |
| 5standard | 525 | Farman, Nathan (1500) | Lost 0-2 | -181481 |
| top | average opponent: 1476record: 2-3 | new rating: 1481 | ||