Tan, Ronnie
Current rating: 1489
Record: 30-33-4
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1401 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 418 | Bartlett, Tom (1500) | Won 2-0 | +201421 |
| 2sealed | 430 | Marshall, James (1500) | Draw 1-1 | +11422 |
| 3sealed | 494 | Gascoigne, Alexis (1515) | Won 2-0 | +201442 |
| 4sealed | 486 | Bonfield, Rebecca (1499) | Lost 1-2 | -171425 |
| 5sealed | 530 | Lopez Munoz, Jose Carlos (1417) | Won 2-0 | +181443 |
| 6sealed | 488 | Tuduri, Ricard (1751) | Won 2-1 | +231466 |
| 7sealed | 454 | Lin, Richard (1523) | Won 2-0 | +191485 |
| 8sealed | 433 | Thoo, Ming Ken (1536) | Won 2-0 | +191504 |
| 9sealed | 544 | Anteri, Fabrizio (1695) | Lost 0-2 | -151489 |
| top | average opponent: 1548record: 6-2-1 | new rating: 1489 | ||
| Grand Prix London 2011 (MBS limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Wessel, Coen (1414) | Lost 1-2 | -191451 |
| 2sealed | 90 | Barlow, Bob (1463) | Lost 0-2 | -171434 |
| 3sealed | 141 | Hudson, Ken (1464) | Won 2-0 | +181452 |
| 4sealed | 137 | Roberts, Martin (1481) | Lost 1-2 | -171435 |
| 5sealed | 126 | Spillo, Stefano (1627) | Lost 0-2 | -151420 |
| 6sealed | 14 | Taylor, Charlie (1345) | Lost 0-2 | -191401 |
| top | average opponent: 1466record: 1-5 | new rating: 1401 | ||
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 73 | Young, Paul (1478) | Lost 1-2 | -191508 |
| 2sealed | 253 | Mousa, Sharif (1481) | Lost 0-2 | -181490 |
| 3sealed | 284 | Nystrom, Tomi (1413) | Lost 1-2 | -201470 |
| top | average opponent: 1458record: 0-3 | new rating: 1470 | ||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 75 | Buckley, Darren (1500) | Won 2-0 | +171566 |
| 2block | 7 | Payne, Rikki (1500) | Lost 0-2 | -191547 |
| 3block | 154 | Rakowski, Alexander (1500) | Won 2-0 | +171564 |
| 4block | 98 | Caffier, Aurelien (1540) | Lost 1-2 | -181546 |
| 5block | 205 | Sime, Ben (1502) | Lost 1-2 | -191527 |
| top | average opponent: 1508record: 2-3 | new rating: 1527 | ||
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1594 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 620 | Buksmann, Elena (1541) | Lost 0-2 | -191575 |
| 2standard | 648 | Papp, Rastislav (1482) | Draw 1-1 | -21573 |
| 3standard | 651 | Drabik, Iwo (1482) | Won 2-0 | +171590 |
| 4standard | 637 | Bina, Frantisek (1448) | Lost 0-2 | -211569 |
| 5standard | 668 | Mahdal, David (1481) | Lost 0-2 | -201549 |
| top | average opponent: 1487record: 1-3-1 | new rating: 1549 | ||
| Grand Prix Cardiff 2006 (GPT limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 127 | Kiourtsoglou, Vasileios (1428) | Won 2-0 | +161559 |
| 2sealed | 54 | crowley, declan (1518) | Won 0-0 | +181577 |
| 3sealed | 27 | Graham, Paul (1523) | Won 2-1 | +171594 |
| 4sealed | 24 | West, Nicholas (1710) | Lost 0-2 | -161578 |
| 5sealed | 64 | Jensen, David (1829) | Won 2-1 | +221600 |
| 6sealed | 17 | Moore, Richard N (1702) | Won 2-1 | +201620 |
| 7sealed | 19 | Barclay, Bradley (1718) | Lost 1-2 | -161604 |
| 8sealed | 23 | Andersen, Oyvind Wefald (1655) | Won 2-1 | +191623 |
| 9draft | 24 | Chan, Tiago (1974) | Lost 1-2 | -121611 |
| 10draft | 3 | Polasek, Filip (1665) | Lost 0-2 | -171594 |
| 12draft | 25 | McGovern, Mark (1586) | Lost 0-2 | -181576 |
| 14draft | 24 | Rao, Wei (1582) | Won 2-0 | +181594 |
| top | average opponent: 1657record: 7-5 | new rating: 1594 | ||
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 94 | Martins, Pedro (1570) | Draw 1-1 | +11509 |
| 2sealed | 156 | De La Iglesia, David (1463) | Won 2-0 | +171526 |
| 3sealed | 92 | Ventura, Sergio (1556) | Lost 0-2 | -171509 |
| 4sealed | 161 | Mesquita, Carlos (1481) | Won 2-0 | +171526 |
| 5sealed | 115 | Bernardo, Armando (1519) | Lost 0-2 | -181508 |
| 6sealed | 153 | Amaral, Paulo (1492) | Won 2-0 | +181526 |
| 7sealed | 103 | Castanheira, Joao (1504) | Won 2-0 | +171543 |
| 8sealed | 70 | Castano, Nacho (1537) | Won 2-0 | +181561 |
| 9sealed | 41 | Rodriguez, Alex [ESP] (1574) | Lost 1-2 | -181543 |
| top | average opponent: 1522record: 5-3-1 | new rating: 1543 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 265 | Pobis, Jakub (1531) | Won 1-0 | +191486 |
| 2sealed | 125 | Delere, Andre (1790) | Won 2-1 | +231509 |
| 3sealed | 6 | Pacifici, Guido (1718) | Lost 1-2 | -141495 |
| 4sealed | 209 | Holub, Michal (1518) | Won 2-0 | +181513 |
| 5sealed | 151 | Labarre, Nicolas (1863) | Lost 1-2 | -121501 |
| 6sealed | 145 | Gottschalk, Michael (1517) | Won 2-0 | +191520 |
| 7sealed | 108 | Brackmann, Aaron (1752) | Won 2-0 | +221542 |
| 8sealed | 98 | Kristensen, Dennis (1601) | Lost 0-2 | -171525 |
| 9sealed | 111 | Heidemann, Martin (1570) | Lost 0-2 | -171508 |
| top | average opponent: 1651record: 5-4 | new rating: 1508 | ||
| Grand Prix London 2002 (Odyssey block) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 37 | Gelly, Vincent (1500) | Lost 0-2 | -171467 |
| top | record: 0-1 | new rating: 1467 | ||
| Grand Prix London 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 84 | Dando, Mike (1500) | Won 2-0 | +181518 |
| 2block | 118 | Schrama, Patrick (1619) | Won 2-1 | +201538 |
| 3block | 16 | Chalk, Titus (1535) | Lost 0-2 | -181520 |
| 4block | 127 | Clausen, Jess (1518) | Draw 1-1 | 01520 |
| 5block | 114 | Kittl, Patrik (1539) | Lost 0-2 | -181502 |
| 6block | 136 | Holmberg, Fredrik (1516) | Lost 0-2 | -181484 |
| 7block | 129 | Meyer, Claude (1482) | Won 2-0 | +181502 |
| 8block | 98 | Cadinot, Julien (1496) | Lost 1-2 | -181484 |
| top | average opponent: 1526record: 3-4-1 | new rating: 1484 | ||