Yong, Kah Chik
Current rating: 1506
Record: 18-19-1
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1512 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 48 | Ler, Pris (1452) | Won 2-0 | +161528 |
| 2standard | 90 | Koo, Yong Jing (1519) | Lost 1-2 | -181510 |
| 3standard | 122 | Ng, Terence (1399) | Won 2-0 | +161526 |
| 4standard | 188 | Rodriguez, Enrique (1483) | Won 2-1 | +171543 |
| 5standard | 69 | Lai, Kwong Pang (1464) | Lost 0-2 | -191524 |
| 6standard | 158 | Chiu, Jing Shen Andrew (1498) | Lost 1-2 | -181506 |
| top | average opponent: 1469record: 3-3 | new rating: 1506 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 37 | Buchanan, Andrew (1741) | Won 2-1 | +221538 |
| 5standard | 22 | Salvatierra, Jose Victor (1685) | Lost 1-2 | -151523 |
| 6standard | 54 | Adefuin, Richard (1559) | Lost 1-2 | -171506 |
| 7standard | 187 | Gimpaya, Crisandrei (1536) | Won 2-1 | +181524 |
| 8standard | 124 | Natividad, Frederick (1613) | Won 2-0 | +201544 |
| 9standard | 35 | Faytaren, Pete (1571) | Won 2-1 | +181562 |
| 10standard | 25 | Camangon, Gerald (1660) | Lost 0-2 | -161546 |
| 11standard | 47 | Encinas, Robert Allan (1531) | Lost 1-2 | -181528 |
| 12standard | 59 | Maglaya, Vincent (1618) | Lost 0-2 | -161512 |
| top | average opponent: 1613record: 4-5 | new rating: 1512 | ||
| Grand Prix Kuala Lumpur 2010 (WWK standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 58 | Yasooka, Shota (1841) | Lost 0-2 | -121513 |
| 5standard | 115 | Kamarudin, Faizzudin (1537) | Lost 0-2 | -181495 |
| 6standard | 93 | Tan, Allen Boon Hor (1568) | Won 2-1 | +201515 |
| 7standard | 98 | Gan, Vincent (1570) | Won 2-1 | +191534 |
| 8standard | 63 | Liang, Zhiyi (1568) | Lost 1-2 | -181516 |
| top | average opponent: 1617record: 2-3 | new rating: 1516 | ||
| Grand Prix Singapore 2009 (extended) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 72 | Lee, Wen Yi Julian (1595) | Lost 1-2 | -171525 |
| 3extended | 90 | Chai, Minji (1498) | Won 2-0 | +171542 |
| 4extended | 83 | Ong, Li Teng (1518) | Won 2-0 | +181560 |
| 5extended | 54 | Ishii, Taisuke (1718) | Draw 1-1 | +31563 |
| 6extended | 62 | Liang, Lee J (1540) | Lost 1-2 | -191544 |
| 7extended | 87 | Soewanda, Benny (1503) | Lost 1-2 | -191525 |
| top | average opponent: 1562record: 2-3-1 | new rating: 1525 | ||
| Grand Prix Taipei 2008 (ALA limited) | starting rating: 1573 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 17 | Horng, Jim (1569) | Lost 1-2 | -181555 |
| 5sealed | 38 | Wong, Lucas (1611) | Lost 1-2 | -171538 |
| 6sealed | 54 | Yu, Chin Da (1453) | Won 2-0 | +171555 |
| 7sealed | 54 | Ikeda, Tsuyoshi (1845) | Lost 1-2 | -131542 |
| top | average opponent: 1620record: 1-3 | new rating: 1542 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 112 | Santos, Jose Carlos (1500) | Won 2-0 | +181518 |
| 2block | 90 | Gonzales, Gerald Wong (1518) | Won 2-0 | +181536 |
| 3block | 64 | Pre, Joebert (1483) | Lost 0-2 | -191517 |
| 4block | 181 | Castillo, Emmanuel (1516) | Won 2-0 | +181535 |
| 5block | 86 | Ocampo, Bernildo C Jr (1540) | Won 2-1 | +181553 |
| 6block | 74 | Dela Cruz, Michael John (1537) | Lost 0-2 | -181535 |
| 7block | 105 | Tam, Fritz Walter (1535) | Won 2-1 | +181553 |
| 8block | 67 | Palao, Hajji (1682) | Won 2-0 | +201573 |
| top | average opponent: 1539record: 6-2 | new rating: 1573 | ||