Choo, Ida Maria
Current rating: 1421
Record: 12-19-2
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1386 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 199 | Chanthukshasill, Ranida (1500) | Won 2-0 | +201406 |
| 2sealed | 63 | Charm, Derek (1652) | Lost 0-2 | -141392 |
| 3sealed | 287 | Wiwattanapornchai, Todsawut (1487) | Lost 1-2 | -161376 |
| 4sealed | 308 | Young, Eric (1449) | Draw 1-1 | +11377 |
| 5sealed | 301 | Liu, Shiwen (1452) | Won 2-1 | +201397 |
| 6sealed | 241 | Ong, Meng Koon (1368) | Won 2-1 | +171414 |
| 7sealed | 182 | Kwan, David Wei Phang (1570) | Won 2-0 | +211435 |
| 8sealed | 121 | Sung, Bok Tung (1658) | Lost 1-2 | -141421 |
| top | average opponent: 1517record: 4-3-1 | new rating: 1421 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1420 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2076 | Rikitake, Tatsuya (1500) | Lost 0-2 | -161404 |
| 4sealed | 2133 | Matsuyama, Takuya (1542) | Lost 1-2 | -161388 |
| 5sealed | 2255 | Masuyama, Yuko (1188) | Won 2-0 | +151403 |
| 6sealed | 2204 | Sugimoto, Yuta (1452) | Lost 0-2 | -171386 |
| top | average opponent: 1420record: 1-3 | new rating: 1386 | ||
| Grand Prix Nagoya 2014 (BNG limited) | starting rating: 1385 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 82 | Soejima, Naoki (1536) | Won 2-0 | +201405 |
| 4sealed | 71 | Itagaki, Ryuji (1574) | Lost 0-2 | -151390 |
| 5sealed | 92 | Terao, Satoshi (1418) | Lost 0-2 | -171373 |
| 6sealed | 151 | Taniguchi, Hironobu (1441) | Won 2-0 | +191392 |
| 7sealed | 84 | Lee, Jaejeong (1540) | Won 2-1 | +211413 |
| 8sealed | 106 | Irimura, Daisuke (1648) | Won 2-1 | +221435 |
| 9sealed | 43 | Kishida, Hirokazu (1622) | Lost 1-2 | -151420 |
| top | average opponent: 1540record: 4-3 | new rating: 1420 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 157 | Ho, Keng Yeong Nichola (1500) | Won 2-0 | +191448 |
| 2sealed | 100 | Ichayapreug, Paeree (1550) | Lost 0-2 | -161432 |
| 3sealed | 271 | Soh, Kee Kiat (1490) | Won 2-1 | +191451 |
| 4sealed | 203 | manugan, joemanny C (1520) | Lost 1-2 | -161435 |
| 5sealed | 329 | Abhinantavej, Woraphong (1526) | Lost 0-2 | -171418 |
| 6sealed | 329 | Ang Keming, Alvin (1480) | Lost 0-2 | -171401 |
| 7sealed | 293 | Yee Leong, Khong (1465) | Won 2-1 | +201421 |
| 8sealed | 229 | John, Eugene (1362) | Lost 0-2 | -201401 |
| 9sealed | 230 | Ng, Chin Wuen (1464) | Lost 1-2 | -161385 |
| top | average opponent: 1484record: 3-6 | new rating: 1385 | ||
| Grand Prix Kuala Lumpur 2006 (DIS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 5 | Wong, Lucas (1590) | Lost 0-2 | -161484 |
| 2sealed | 115 | Mokhtaruddin, Mohd Hafiz (1450) | Lost 0-2 | -191465 |
| 3sealed | 121 | Koay, Teng Wei (1429) | Draw 1-1 | -11464 |
| 4sealed | 148 | Koh, Luke Wang (1464) | Lost 1-2 | -181446 |
| 5sealed | 148 | Teh, Ching Oon (1492) | Lost 0-2 | -171429 |
| top | average opponent: 1485record: 0-4-1 | new rating: 1429 | ||