Barros, Joao
Current rating: 1501
Record: 29-30-1
| Grand Prix Madrid 2015 (ORI limited) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 47 | Giron Alonso, Jose Angel (1496) | Lost 0-2 | -201561 |
| 2sealed | 503 | Eastham, Mark (1589) | Lost 0-2 | -171544 |
| 3sealed | 639 | Martin, Rafael (1407) | Lost 0-2 | -211523 |
| 4sealed | 622 | Ortiz, Victor (1326) | Lost 0-2 | -221501 |
| top | average opponent: 1454record: 0-4 | new rating: 1501 | ||
| Grand Prix Seville 2015 (FRF standard) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 50 | Guerra Guerra, Ricardo (1500) | Won 2-1 | +181533 |
| 2standard | 145 | Restoy, Lluis (1708) | Won 2-1 | +211554 |
| 3standard | 16 | Treceno, Diego (1463) | Won 2-0 | +171571 |
| 4standard | 13 | Montoro, Bernat (1515) | Won 2-1 | +171588 |
| 5standard | 25 | Kaupa, Lukas (1518) | Won 2-1 | +161604 |
| 6standard | 14 | Cabezas Blanco, Aitor (1599) | Lost 1-2 | -181586 |
| 7standard | 35 | Reuwsaat, Folkert (1536) | Won 2-0 | +171603 |
| 8standard | 15 | Juza, Martin (2098) | Lost 1-2 | -91594 |
| 9standard | 56 | Martinez, Alexis (1868) | Lost 0-2 | -131581 |
| top | average opponent: 1645record: 6-3 | new rating: 1581 | ||
| Grand Prix Valencia 2013 (THS limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 15 | Pinto, Carlos (1439) | Lost 0-2 | -201520 |
| 2sealed | 388 | Redondo Leal, Miguel L (1483) | Lost 0-2 | -191501 |
| 3sealed | 493 | Silva Aguilar, Daniel (1461) | Lost 0-2 | -181483 |
| 4sealed | 503 | Pinos, Manuel (1446) | Won 2-0 | +171500 |
| 5sealed | 464 | Garcia Garcia, Ruben (1466) | Won 2-0 | +171517 |
| 6sealed | 398 | Lopez, David (1515) | Lost 0-2 | -181499 |
| 7sealed | 358 | Villagrasa, Didac (1466) | Lost 0-2 | -181481 |
| 8sealed | 338 | Prada, Carmen (1446) | Won 2-1 | +171498 |
| 9sealed | 271 | Martinez Jurado, Jonat (1464) | Won 2-1 | +171515 |
| top | average opponent: 1465record: 4-5 | new rating: 1515 | ||
| Grand Prix Verona 2013 (GTC standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 337 | Trombetta, Roberto (1446) | Won 2-0 | +171522 |
| 2standard | 229 | Basoni, Federico (1515) | Lost 1-2 | -181504 |
| 3standard | 404 | Valsania, Stefano (1508) | Lost 0-2 | -181486 |
| 4standard | 423 | Montanaro, Enrico (1483) | Won 2-0 | +181504 |
| 5standard | 417 | Sevegnani, Michele (1556) | Won 2-0 | +191523 |
| 6standard | 207 | Roure, Olivier (1520) | Won 2-0 | +181541 |
| 7standard | 216 | Ferraro, Costanzo (1522) | Won 2-1 | +171558 |
| 8standard | 127 | Mangione, Vincenzo (1523) | Lost 0-2 | -181540 |
| top | average opponent: 1509record: 5-3 | new rating: 1540 | ||
| Grand Prix Lisbon 2012 (RTR limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Alexandre, Miguel (1500) | Lost 1-2 | -181447 |
| 2sealed | 170 | [anonymous] | Lost 0-2 | -171430 |
| 3sealed | 285 | Rhoton, Kenan (1489) | Won 2-1 | +191449 |
| 4sealed | 273 | Barroso, Mario (1484) | Won 2-0 | +191468 |
| 5sealed | 186 | Van Eijsden, Sylvester (1565) | Won 2-0 | +201488 |
| 6sealed | 105 | Economides, Ioannis (1531) | Won 2-1 | +181506 |
| 7sealed | 66 | Rossi, Kevin (1704) | Won 2-0 | +221528 |
| 8sealed | 68 | Dietl, Christian (1703) | Won 2-0 | +211549 |
| 9sealed | 32 | Rutar, Andrej (1931) | Won 2-1 | +251574 |
| 10draft | 65 | Poroszkai, Laszlo (1558) | Lost 0-2 | -191555 |
| 11draft | 58 | Busk, Kim (1611) | Won 2-1 | +191574 |
| 12draft | 25 | Rospir, Edu (1589) | Lost 1-2 | -171557 |
| 13draft | 7 | Munoz Jimenez, Victor (1526) | Lost 1-2 | -191538 |
| 14draft | 20 | Reboiro Jato, David (1640) | Lost 1-2 | -161522 |
| 15draft | 78 | Del Blanco, David (1581) | Lost 0-2 | -171505 |
| top | average opponent: 1593record: 8-7 | new rating: 1505 | ||
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 469 | Ten Elsen, Philipp (1531) | Lost 0-2 | -171482 |
| 3sealed | 546 | Perry, Mark J (1500) | Won 2-0 | +181500 |
| 4sealed | 558 | Wooles, Bertie (1468) | Lost 0-2 | -191481 |
| 5sealed | 595 | Readhead, Michael (1469) | Won 2-0 | +181499 |
| 6sealed | 493 | Andersson, Toby (1560) | Lost 0-2 | -171482 |
| 7sealed | 531 | Zhao, Winxin (1509) | Lost 0-2 | -171465 |
| top | average opponent: 1506record: 2-4 | new rating: 1465 | ||
| Grand Prix Madrid 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 730 | Arboleda Rascon, Rafael (1526) | Lost 0-2 | -181482 |
| 2sealed | 829 | Olmos Cubells, David (1483) | Won 2-1 | +181500 |
| 3sealed | 817 | Guyard, Rodolphe (1499) | Draw 1-1 | 01500 |
| 4sealed | 817 | Fuentes Ortiz, Jose Luis (1528) | Lost 0-2 | -171483 |
| 5sealed | 858 | Danke, Annika (1416) | Lost 1-2 | -191464 |
| 6sealed | 848 | Michel, Nathalie (1451) | Won 2-0 | +181482 |
| 7sealed | 805 | Garcia Bau, Javier (1484) | Won 2-1 | +181500 |
| 8sealed | 763 | Stock, Sylvain (1490) | Lost 1-2 | -191481 |
| 9sealed | 754 | Latorre Garcia, Santiago (1466) | Won 2-1 | +181499 |
| top | average opponent: 1483record: 4-4-1 | new rating: 1499 | ||