Lag Brotons, Alfonso
Current rating: 1430
Record: 25-32-1
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 65 | Becks, Steven (1500) | Lost 0-2 | -171426 |
| 2sealed | 166 | Jones, James (1482) | Won 2-0 | +191445 |
| 3sealed | 127 | John G., (1503) | Lost 1-2 | -171428 |
| 4sealed | 226 | Montevilla, Wilson (1482) | Won 2-0 | +191447 |
| 5sealed | 174 | Spellman, Bryan (1505) | Lost 0-2 | -171430 |
| top | average opponent: 1494record: 2-3 | new rating: 1430 | ||
| Grand Prix Florence 2010 (SOM limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Panebianco, Andrea (1492) | Lost 1-2 | -181462 |
| 2sealed | 173 | Cappuzzi, Andrea (1405) | Lost 0-2 | -191443 |
| top | average opponent: 1448record: 0-2 | new rating: 1443 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 786 | Van Holsbeeck, Kristof (1736) | Lost 0-2 | -141460 |
| 2standard | 931 | Liederbach, Florian (1546) | Won 2-1 | +201480 |
| 3standard | 886 | Huynh, Thanh (1437) | Won 2-0 | +171497 |
| 4standard | 763 | Beijerink, Pablo (1522) | Lost 0-2 | -171480 |
| top | average opponent: 1560record: 2-2 | new rating: 1480 | ||
| Grand Prix Madrid 2008 (EVE limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 237 | Staelens, Morgan (1453) | Lost 0-2 | -181452 |
| 2sealed | 262 | Victor, Fernandez (1428) | Won 2-0 | +171469 |
| 3sealed | 141 | Cuervo, Eduardo (1448) | Won 2-0 | +181487 |
| 4sealed | 118 | Romanos, Victor (1520) | Won 2-0 | +191506 |
| 5sealed | 116 | Orsini Jones, Marco (1600) | Lost 1-2 | -171489 |
| 6sealed | 132 | Fernandes, Mario (1522) | Won 2-0 | +191508 |
| 7sealed | 74 | Kirsch, Christian (1536) | Lost 0-2 | -181490 |
| 8sealed | 122 | Popov, Alexander (1572) | Lost 1-2 | -161474 |
| top | average opponent: 1510record: 4-4 | new rating: 1474 | ||
| Grand Prix Stuttgart 2007 (LRW limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Gobeli, Andreas (1467) | Won 2-0 | +181500 |
| 2sealed | 159 | Luginbuhl, Thomas (1559) | Lost 0-2 | -171483 |
| 3sealed | 175 | Will, Robert (1740) | Lost 1-2 | -131470 |
| 4sealed | 285 | Kink, Rafael (1482) | Won 2-1 | +181488 |
| 5sealed | 171 | Fischer, Michael (1485) | Lost 1-2 | -181470 |
| top | average opponent: 1547record: 2-3 | new rating: 1470 | ||
| Grand Prix Barcelona 2006 (GPT limited) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 9 | Cortes, Alberto (1546) | Won 2-1 | +191495 |
| 2sealed | 50 | Portales, Raul (1582) | Lost 1-2 | -161479 |
| 3sealed | 139 | Weingartner, Otto (1498) | Won 2-0 | +181497 |
| 4sealed | 81 | Magnusson, Mikael (1565) | Lost 1-2 | -161481 |
| 5sealed | 196 | Barracha, Joao (1616) | Lost 1-2 | -161465 |
| 6sealed | 168 | Lopez, Juan (1434) | Won 2-0 | +171482 |
| top | average opponent: 1540record: 3-3 | new rating: 1482 | ||
| Grand Prix Bilbao 2005 (extended) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 438 | Sarmiento, Ruben (1463) | Lost 1-2 | -171393 |
| 2extended | 504 | Perez, David [ESP] (1428) | Won 2-0 | +191412 |
| 3extended | 486 | Cobo, Borja (1482) | Won 2-0 | +191431 |
| 4extended | 424 | Robert, Patrick (1518) | Won 2-1 | +201451 |
| 5extended | 404 | Navarro, Oscar (1536) | Lost 1-2 | -171434 |
| 6extended | 425 | Sanchez de Alarcos, Israel (1527) | Won 2-0 | +201454 |
| 7extended | 437 | Milla Santamaria, Davi (1536) | Lost 1-2 | -171437 |
| 8extended | 430 | Gimenez, Victor (1516) | Won 2-1 | +201457 |
| 9extended | 419 | Fuentes Ortiz, Jose Luis (1536) | Won 2-1 | +191476 |
| top | average opponent: 1505record: 6-3 | new rating: 1476 | ||
| Grand Prix Seville 2003 (LGN limited) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Alejandro, Javi (1500) | Lost 0-2 | -171424 |
| 2sealed | 243 | Richardson, Stephen (1483) | Won 2-0 | +191443 |
| 3sealed | 262 | Allouche, Yohan (1553) | Lost 1-2 | -161427 |
| 4sealed | 319 | Santos, Rui Miguel (1481) | Lost 0-2 | -171410 |
| top | average opponent: 1504record: 1-3 | new rating: 1410 | ||
| Grand Prix Barcelona 2002 (TOR limited) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 218 | Barangue, Antonio (1500) | Lost 0-2 | -181457 |
| 2sealed | 278 | Valenzuela, Pakitto (1482) | Won 2-0 | +191476 |
| 3sealed | 222 | Verdier, Laurent (1525) | Lost 0-2 | -171459 |
| 4sealed | 298 | Gonzalez, Raul 3033 (1482) | Lost 0-2 | -181441 |
| top | average opponent: 1497record: 1-3 | new rating: 1441 | ||
| Grand Prix Biarritz 2001 (ODY limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | Markin, Yuri (1744) | Won 2-0 | +231469 |
| 2sealed | 41 | Smadhi, Hafez (1514) | Lost 0-2 | -171452 |
| 3sealed | 118 | Terre Gonzalez, Enrique (1486) | Won 2-0 | +191471 |
| 4sealed | 111 | Rivalland, Ludovic (1517) | Won 2-0 | +191490 |
| 5sealed | 75 | Lazaro, Jesus (1537) | Lost 0-1 | -181472 |
| 6sealed | 110 | Le Borgne, Julien (1519) | Won 2-0 | +191491 |
| 7sealed | 57 | Zlotoiabko, Boris (1520) | Lost 0-2 | -171474 |
| 8sealed | 81 | Brito, Rafael (1524) | Draw 1-1 | +11475 |
| top | average opponent: 1545record: 4-3-1 | new rating: 1475 | ||
| Grand Prix Valencia 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Carbonell, Jose (1500) | Lost 0-2 | -181482 |
| 2sealed | 159 | Uobata Nadal, Omar (1482) | Lost 0-2 | -181464 |
| 3sealed | 196 | Rodriguez Diaz, Miguel Angel (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1482record: 0-3 | new rating: 1446 | ||