Watts, Zach
Current rating: 1734 (#4613)
Record: 46-35-1
| Grand Prix Columbus 2019 (modern) | starting rating: 1715 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 75 | Ross, Cj (1461) | Won 2-1 | +131728 |
| 2modern | 32 | Slimmer, James (1522) | Won 2-0 | +141742 |
| 3modern | 51 | Torbett, Thomas (1534) | Won 2-1 | +151757 |
| 4modern | 61 | Watts, Andrew (1949) | Won 2-1 | +211778 |
| 5modern | 145 | Fischer, Dana (1284) | Won 2-0 | +101788 |
| 6modern | 16 | Syed, Zan (1955) | Lost 1-2 | -151773 |
| 7modern | 42 | Everhart, Jon (1583) | Lost 0-2 | -221751 |
| 8modern | 64 | Alexander, Damon (1783) | Lost 0-2 | -171734 |
| top | average opponent: 1634record: 5-3 | new rating: 1734 | ||
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1682 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 46 | Wiggins, Alexander (1500) | Won 2-1 | +151697 |
| 2sealed | 23 | Michonski, Scott (1539) | Won 2-0 | +151712 |
| 3sealed | 23 | Kim, Joshua [CAN] (1881) | Lost 1-2 | -151697 |
| 4sealed | 224 | Lowe, Sam (1728) | Won 2-0 | +191716 |
| 5sealed | 54 | Hadfield, Kyle (1660) | Draw 1-1 | -11715 |
| 6sealed | 95 | Carey, Bryan (1888) | Won 2-0 | +211736 |
| 7sealed | 64 | Wilson, Robert (1560) | Lost 1-2 | -211715 |
| top | average opponent: 1679record: 4-2-1 | new rating: 1715 | ||
| Grand Prix London 2019 (WAR sealed) | starting rating: 1648 | |||
| round | table | opponent (rating) | result | Δrating |
| A1sealed | 60 | Martin, Larry (1517) | Won 2-0 | +161664 |
| A2sealed | 162 | Harle, Thomas (1810) | Won 2-1 | +211685 |
| A3sealed | 84 | O'Mahony, Joshua (1487) | Won 2-0 | +141699 |
| A4sealed | 22 | Yulga, Tate (1557) | Won 2-0 | +161715 |
| A5sealed | 9 | Bachaud, Louis (1964) | Won 2-1 | +221737 |
| A6sealed | 3 | Scaramelli, Ugo (1728) | Lost 0-2 | -181719 |
| A7sealed | 28 | Yeh, Kevin (1533) | Won 2-1 | +151734 |
| sealed | 50 | Huang, Hao-Shan (1751) | Lost 1-2 | -181716 |
| sealed | 65 | Summersberger, Helmut (1835) | Lost 0-2 | -161700 |
| sealed | 73 | Hutson, Sam (1566) | Won 2-0 | +161716 |
| sealed | 53 | Cohen, Brendan (1818) | Won 2-1 | +191735 |
| sealed | 216 | Wise-Maas, Cameron (1677) | Lost 1-2 | -191716 |
| sealed | 231 | Silvestre, Vicent (1771) | Lost 0-2 | -171699 |
| sealed | 231 | Reiter, Vincent (1750) | Lost 1-2 | -171682 |
| top | average opponent: 1697record: 8-6 | new rating: 1682 | ||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1626 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 240 | Grubham, Aaron (1431) | Won 2-0 | +141640 |
| 2sealed | 82 | Epstein, Justin (1707) | Lost 0-2 | -161624 |
| 3sealed | 423 | Imbs, Rob (1377) | Won 2-0 | +131637 |
| 4sealed | 312 | Holdsworth, Andrew (1523) | Won 2-0 | +161653 |
| 5sealed | 121 | Stein, Brian (1490) | Lost 0-2 | -211632 |
| 6sealed | 238 | DelGrosso, Matthew (1578) | Won 2-1 | +171649 |
| 7sealed | 216 | Miller, Jason A (1676) | Won 2-0 | +191668 |
| 8sealed | 129 | Chen, James [AUS] (1604) | Lost 1-2 | -201648 |
| top | average opponent: 1548record: 5-3 | new rating: 1648 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 552 | Sanfilippo, Alessandro (1550) | Lost 1-2 | -181486 |
| 4modern | 557 | Mayes, Logan (1647) | Won 2-0 | +211507 |
| 5modern | 650 | Greene, Robert (1585) | Won 2-0 | +201527 |
| 6modern | 195 | Friedman, Ben (2027) | Won 2-0 | +261553 |
| 7modern | 88 | Devlin, Michael (1530) | Won 2-0 | +181571 |
| 8modern | 35 | Loshbaugh, Christopher (1653) | Lost 0-2 | -171554 |
| 9modern | 166 | Hirmiz, Fadi (1649) | Won 2-1 | +201574 |
| 10modern | 146 | Field, Scott (1560) | Won 2-0 | +181592 |
| 11modern | 95 | Albright, Brock (1583) | Won 2-0 | +181610 |
| 12modern | 77 | Tiu, Oliver (2207) | Lost 0-2 | -91601 |
| 13modern | 139 | Malone, Michael (1777) | Lost 1-2 | -151586 |
| 14modern | 155 | Marquez, Adrian (1717) | Won 2-1 | +211607 |
| 15modern | 124 | Kaukoranta, Ville (1663) | Won 2-1 | +191626 |
| top | average opponent: 1704record: 9-4 | new rating: 1626 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 315 | Espiritu, Angel (1453) | Won 2-1 | +171521 |
| 2modern | 154 | Snyder, Nathaniel (1511) | Lost 1-2 | -181503 |
| 3modern | 698 | Felber, Andrew (1557) | Won 2-0 | +191522 |
| 4modern | 375 | Jones, Dylan (1522) | Lost 1-2 | -181504 |
| 5modern | 488 | Davison, Kyle (1498) | Won 2-1 | +181522 |
| 6modern | 517 | Budop III, Richard (1499) | Lost 0-2 | -181504 |
| top | average opponent: 1507record: 3-3 | new rating: 1504 | ||
| Grand Prix Chicago 2012 (modern) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 97 | Khan, Alec (1481) | Lost 1-2 | -181474 |
| 3modern | 310 | Pruiett, Caleb (1460) | Won 2-1 | +181492 |
| 4modern | 299 | Okke, Korey (1554) | Won 2-1 | +191511 |
| 5modern | 143 | Corvese, Harry (2003) | Lost 0-2 | -101501 |
| 6modern | 193 | Zaring, Nathan M (1518) | Won 2-0 | +191520 |
| 7modern | 148 | Studley, James (1593) | Won 2-1 | +191539 |
| 8modern | 126 | Woo, Paul (1600) | Lost 1-2 | -171522 |
| 9modern | 180 | Hamilton, Alexander (1541) | Lost 1-2 | -181504 |
| top | average opponent: 1594record: 4-4 | new rating: 1504 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 259 | Hoffman, Ian (1500) | Won 2-0 | +181476 |
| 2modern | 222 | Lekse, Jonathan (1517) | Won 2-0 | +191495 |
| 3modern | 192 | Kinney, Michael (1487) | Won 2-0 | +181513 |
| 4modern | 14 | Wehman, Tom (1498) | Won 2-1 | +181531 |
| 5modern | 26 | Hatlee, Herbie (1618) | Lost 1-2 | -171514 |
| 6modern | 60 | Faeder, Dustin (1837) | Won 2-0 | +241538 |
| 7modern | 71 | Rodriguez, Juan C (1680) | Lost 0-2 | -151523 |
| 8modern | 159 | Sharfman, David (1737) | Lost 0-2 | -151508 |
| 9modern | 144 | Brown, Max (1610) | Lost 0-2 | -161492 |
| top | average opponent: 1609record: 5-4 | new rating: 1492 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 11 | Tukel-Finegood, Adam (1500) | Lost 1-2 | -181494 |
| 2legacy | 363 | Funk, Chris D (1472) | Lost 0-2 | -181476 |
| 3legacy | 489 | Rosberry, Jake (1465) | Lost 1-2 | -181458 |
| top | average opponent: 1479record: 0-3 | new rating: 1458 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 59 | Nassif, Gabriel (2017) | Lost 0-2 | -91491 |
| 5sealed | 151 | Fred, Eric J (1533) | Lost 0-2 | -181473 |
| 6sealed | 169 | Saenz, Benjamin A (1518) | Won 2-0 | +191492 |
| 7sealed | 136 | Walker, Dennis (1535) | Won 2-1 | +191511 |
| 8sealed | 89 | Desgrange, Jeremy M (1528) | Won 2-0 | +181529 |
| 9sealed | 36 | Stachurski, Richard (1593) | Lost 0-2 | -171512 |
| top | average opponent: 1620record: 3-3 | new rating: 1512 | ||