Fontanez, Marcos
Current rating: 1517
Record: 11-11 (GP) / 9-11-1 (professional)
| Grand Prix Minneapolis 2012 (AVR standard) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 12 | Kroeger, Travis (1500) | Won 2-1 | +191476 |
| 2standard | 63 | Connell, Zoe (1514) | Won 2-0 | +191495 |
| 3standard | 50 | Hoye, Peter (1538) | Lost 1-2 | -181477 |
| 4standard | 278 | Dietrich, Jake (1440) | Won 2-1 | +181495 |
| 5standard | 172 | Cohen, Justin (1553) | Won 2-0 | +191514 |
| 6standard | 96 | Leske, Steven (1508) | Won 2-0 | +181532 |
| 7standard | 48 | Burton, Brandon (1674) | Won 2-0 | +201552 |
| 8standard | 25 | Rush, Mark (1534) | Lost 1-2 | -181534 |
| 9standard | 58 | Caldarale, Robert (1581) | Lost 0-2 | -171517 |
| top | average opponent: 1538record: 6-3 | new rating: 1517 | ||
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 14 | Harris, William (1482) | Lost 0-2 | -181455 |
| 2block | 208 | Cook, Joshua (1482) | Won 2-0 | +191474 |
| 3block | 208 | Downing, Steve (1500) | Lost 1-2 | -181456 |
| 4block | 257 | Krug, Josh (1469) | Won 2-0 | +191475 |
| 5block | 190 | Teasley, Nathan (1502) | Lost 0-2 | -181457 |
| top | average opponent: 1487record: 2-3 | new rating: 1457 | ||
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 91 | Stoll, Ben (1480) | Lost 1-2 | -181470 |
| 3sealed | 112 | Miller, Adam (1500) | Won 2-1 | +181488 |
| 4sealed | 96 | Freneau, Phil (1660) | Lost 1-2 | -151473 |
| top | average opponent: 1547record: 1-2 | new rating: 1473 | ||
| Pro Tour New York 2000 (Masques block) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 14 | Romao, Carlos (1460) | Lost 0-2 | -171429 |
| 2block | 98 | Maher, Bob (1771) | Won 2-1 | +241453 |
| 3block | 106 | Nonell, Oriol (1501) | Lost 1-2 | -171436 |
| 4block | 88 | De Lima, Eduardo Leme (1484) | Won 2-0 | +181454 |
| 5block | 67 | Roderer, Dave (1661) | Won 2-0 | +221476 |
| 6block | 41 | Frangiosa, Richie (1573) | Won 2-0 | +201496 |
| 7block | 34 | McKeon, Robert (1483) | Draw 1-1 | 01496 |
| 8block | 42 | Ho, Lan (1827) | Lost 1-2 | -121484 |
| 9block | 39 | Moungey, Jason (1529) | Lost 1-2 | -181466 |
| 10block | 46 | Wang, Kung-Chieh (1564) | Won 2-0 | +201486 |
| 11block | 38 | Kellenburger, Brian (1534) | Lost 0-2 | -171469 |
| 12block | 43 | Johnson, Joshua (1512) | Won 2-0 | +191488 |
| 13block | 35 | Ross, Edward (1482) | Lost 1-2 | -181470 |
| 14block | 40 | Meylan, Nicolas (1473) | Won 2-1 | +181488 |
| top | average opponent: 1561record: 7-6-1 | new rating: 1488 | ||
| Pro Tour Chicago 1999 (extended) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 132 | Jensen, William (1874) | Lost 0-2 | -111471 |
| 2extended | 104 | Miller, Cameron (1482) | Lost 1-2 | -181453 |
| 3extended | 145 | Hacker, Brian (1727) | Lost 1-2 | -131440 |
| 4extended | 160 | Komiya, Tadayoshi (1484) | Won 2-1 | +191459 |
| 5extended | 133 | Shvartsman, Alex (1784) | Lost 1-2 | -121447 |
| 6extended | 129 | Pennock, John (1426) | Won 2-0 | +171464 |
| 7extended | 103 | Kishishita, Kunihiko (1469) | Lost 0-2 | -181446 |
| top | average opponent: 1607record: 2-5 | new rating: 1446 | ||
| Grand Prix San Diego 1999 (MMQ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 32 | Kampa, Adam (1500) | Won 0-0 | +181518 |
| 2sealed | 47 | Eagle, Matthew (1518) | Lost 0-0 | -181500 |
| 3sealed | 81 | Stirler, Jacob (1521) | Lost 0-2 | -181482 |
| 4sealed | 119 | Egoavil, Steve (1482) | Won 0-0 | +181500 |
| 5sealed | 87 | Giles, Steve (1499) | Lost 0-0 | -181482 |
| top | average opponent: 1504record: 2-3 | new rating: 1482 | ||