Hoy, Clark
Current rating: 1574
Record: 11-7
| Grand Prix Prague 2013 (M14 limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Geberovich, Dan (1473) | Won 2-0 | +181538 |
| 2sealed | 233 | Pavel, Moraves (1483) | Won 2-0 | +171555 |
| 3sealed | 222 | Rothen, Christian (1513) | Lost 1-2 | -191536 |
| 4sealed | 433 | Tesselaar, Han (1566) | Won 2-1 | +181554 |
| 5sealed | 141 | Wolff, Tobias (1639) | Won 2-0 | +201574 |
| 6sealed | 143 | Figueroa, Jakub (1558) | Won 2-1 | +181592 |
| 7sealed | 60 | de'Medici, Alessandro (1648) | Won 2-1 | +191611 |
| 8sealed | 78 | Kopp, Bastian (1561) | Lost 1-2 | -191592 |
| 9sealed | 129 | Swierczynski, Michal (1599) | Lost 1-2 | -181574 |
| average opponent: 1560record: 6-3 | new rating: 1574 | |||
| Grand Prix London 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 272 | Chlebowski, Alan R (1500) | Won 2-0 | +181518 |
| 2sealed | 284 | Lucas, Alexandre (1518) | Won 2-0 | +181536 |
| 3sealed | 90 | Jankowski, Wojciech (1583) | Lost 0-2 | -171519 |
| 4sealed | 310 | Harman, Jack (1521) | Won 2-0 | +181537 |
| 5sealed | 382 | Lange, Holger (1633) | Lost 1-2 | -161521 |
| 6sealed | 321 | Karlsson, Rasmus (1520) | Won 2-0 | +181539 |
| 7sealed | 307 | Michailides, Stephanos (1529) | Won 2-0 | +171556 |
| 8sealed | 117 | Say, Ian (1558) | Lost 0-2 | -181538 |
| 9sealed | 273 | Lukacsy, Gergely (1534) | Lost 0-2 | -181520 |
| average opponent: 1544record: 5-4 | new rating: 1520 | |||