Yap, Jason
Current rating: 1812 (#1921)
Record: 72-40-5
Grand Prix Singapore 2005Grand Prix Singapore 2007Grand Prix Bangkok 2007Grand Prix Manila 2008Grand Prix Singapore 2009Grand Prix Kuala Lumpur 2010Grand Prix Kuala Lumpur 2012Grand Prix Singapore 2013Grand Prix Kuala Lumpur 2014Grand Prix Manila 2015Grand Prix Kuala Lumpur 2016Grand Prix Singapore 2017Grand Prix Singapore 2018
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1842 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 141 | Chuah, Chee Kheng (1500) | Won 2-0 | +121854 |
| 2standard | 8 | Chua, Po Huat Jetson (1518) | Won 2-1 | +121866 |
| 3standard | 25 | Matsuura, Takumi (1796) | Lost 0-2 | -201846 |
| 4standard | 205 | Luo, Xi (1335) | Lost 1-2 | -261820 |
| 5standard | 244 | Chin, Wei Han (1737) | Won 2-0 | +161836 |
| 6standard | 207 | Chua, Zong En (1478) | Lost 1-2 | -241812 |
| top | average opponent: 1561record: 3-3 | new rating: 1812 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1856 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 34 | Nazri, Khairul (1500) | Won 2-0 | +121868 |
| 2sealed | 35 | Hong, Seung-Oh (1520) | Won 2-0 | +121880 |
| 3sealed | 29 | Hendryanto, Henry (1527) | Won 2-0 | +121892 |
| 4sealed | 47 | Ley, Isaiah (1617) | Lost 0-2 | -231869 |
| 5sealed | 111 | Tan, Kian Li Jason (1526) | Lost 1-2 | -241845 |
| 6sealed | 101 | Hadiwidjaja, Mark (1561) | Won 2-1 | +131858 |
| 7sealed | 112 | Manliclic, Christian (1600) | Won 2-1 | +131871 |
| 8sealed | 72 | Kobayashi, Kazutaka (1690) | Lost 0-2 | -211850 |
| 9sealed | 73 | Hoh, Derik (1624) | Won 2-1 | +141864 |
| 10draft | 58 | Ding, Yi (1714) | Lost 0-2 | -211843 |
| 11draft | 57 | Ong, Gene Paul Kene Ki (1538) | Lost 0-2 | -231820 |
| 12draft | 58 | Lee, Al (1528) | Won 2-0 | +131833 |
| 13draft | 73 | Lerdtummatragule, Chaichana (1624) | Won 2-0 | +141847 |
| 14draft | 40 | Park, Jun Young (1864) | Won 2-0 | +181865 |
| 15draft | 75 | Neo, Winsen Cher Sen (1550) | Lost 0-2 | -231842 |
| top | average opponent: 1599record: 9-6 | new rating: 1842 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1728 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 34 | Shunmuganathan, Narendran (1395) | Lost 0-2 | -241704 |
| 2standard | 143 | Withtayasat, Assawin (1538) | Lost 0-2 | -211683 |
| 3standard | 314 | Looi, Ray (1465) | Won 0-0 | +141697 |
| 4standard | 280 | Tan, Jason (1446) | Won 2-1 | +141711 |
| 5standard | 207 | Tan, Kuan Ming Kevin (1560) | Won 2-1 | +151726 |
| 6standard | 201 | Swantara, Putu (1464) | Won 2-1 | +131739 |
| 7standard | 92 | Atkins, Sam (1677) | Won 2-0 | +171756 |
| 8standard | 95 | Rosdin, Razif (1518) | Won 2-0 | +141770 |
| 9standard | 50 | Lim, Zhong Yi (1940) | Lost 1-2 | -151755 |
| 10standard | 89 | Okamoto, Ichiro (1749) | Won 2-1 | +181773 |
| 11standard | 35 | Tan, Richmond (1784) | Won 2-1 | +181791 |
| 12standard | 33 | Camangon, Gerald (1928) | Won 2-0 | +201811 |
| 13standard | 17 | Thejasukmana, Ryan (1662) | Won 2-0 | +161827 |
| 14standard | 7 | Hassan, Saiful Bahari (1663) | Won 2-1 | +151842 |
| 15standard | 12 | Leong, Jiti (1646) | Won 2-1 | +141856 |
| top | average opponent: 1629record: 12-3 | new rating: 1856 | ||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1726 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 195 | Gaw, Gilbert (1503) | Won 2-0 | +141740 |
| 4standard | 67 | Lagman, Peter Kenneth (1573) | Draw 1-1 | -31737 |
| 5standard | 60 | Poh, Liang Choong (1592) | Won 2-1 | +161753 |
| 6standard | 32 | Ramos, Oscar Keene (1571) | Draw 1-1 | -41749 |
| 7standard | 78 | Lo, Josh Leander (1558) | Lost 0-2 | -211728 |
| top | average opponent: 1559record: 2-1-2 | new rating: 1728 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1737 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 333 | Heng Soon, Stanley T (1500) | Won 2-0 | +141751 |
| 2sealed | 55 | Jaldon, Immanuel (1448) | Won 2-0 | +121763 |
| 3sealed | 11 | Ming Hwa, Chen (1537) | Lost 0-2 | -221741 |
| 4sealed | 221 | Nik Rosdi, Nik Hamizie (1452) | Won 2-0 | +131754 |
| 5sealed | 191 | Wee, Pang Ming (1642) | Lost 0-2 | -201734 |
| 6sealed | 256 | Tan, Ian Keng Huat (1615) | Won 2-0 | +161750 |
| 7sealed | 87 | Cheong, Fabian (1551) | Won 2-1 | +141764 |
| 8sealed | 56 | Shah Ahmad, Izwan (1587) | Won 2-0 | +151779 |
| 9sealed | 33 | Lee, Christopher [MYS] (1497) | Won 2-1 | +131792 |
| 10draft | 33 | Hew, Jun-Wei (1722) | Won 2-1 | +171809 |
| 11draft | 41 | Abdul Rahman, Mohd Effendi (1663) | Lost 1-2 | -211788 |
| 12draft | 37 | Lim, Edwin Voon Fei (1703) | Lost 1-2 | -191769 |
| 13draft | 47 | Tang, Ker An Timothy (1591) | Lost 1-2 | -221747 |
| 14draft | 42 | Xiao, Rong (1565) | Lost 0-2 | -211726 |
| top | average opponent: 1577record: 8-6 | new rating: 1726 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1796 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Fontanilla, Edward Joseph (1498) | Lost 1-2 | -231773 |
| 2sealed | 309 | Shi, Zhenhao (1430) | Lost 0-2 | -241749 |
| 3sealed | 335 | Lim, Tian Yu (1464) | Won 2-0 | +131762 |
| 4sealed | 324 | Ishak, Mohammad Nazri (1360) | Lost 1-2 | -251737 |
| top | average opponent: 1438record: 1-3 | new rating: 1737 | ||
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1672 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 32 | Chan, Kat (1446) | Won 2-0 | +141686 |
| 2standard | 104 | Abdul Wahab, Shahrul Nizam (1483) | Lost 1-2 | -211665 |
| 3standard | 139 | Kamal, Shamsul (1482) | Won 2-0 | +141679 |
| 4standard | 101 | Chan, Shih Chien (1795) | Won 2-1 | +201699 |
| 5standard | 61 | Lee, James [MYS] (1537) | Won 2-1 | +151714 |
| 6standard | 57 | Lee, Rick Hup Beng (1676) | Lost 1-2 | -181696 |
| 7standard | 130 | Wong, Don (1504) | Won 2-0 | +141710 |
| 8standard | 42 | Yoon, Kwang Seob (1554) | Won 2-0 | +151725 |
| 9standard | 50 | Wong, Qin Jin (1677) | Won 2-1 | +181743 |
| 10standard | 24 | Quinto, Julius Caesar (1551) | Won 2-0 | +141757 |
| 11standard | 18 | Zhuang, Che (1517) | Won 2-0 | +141771 |
| 12standard | 6 | Feng, Da (1551) | Won 2-1 | +141785 |
| 13standard | 3 | Lu, Chao (1646) | Won 2-1 | +151800 |
| 14standard | 2 | Chan, Ho Shuen (1720) | Won 2-1 | +171817 |
| 15standard | 3 | Watanabe, Yuuya (2079) | ID | 01817 |
| Qstandard | Lee, Sutti (1671) | Lost 1-2 | -211796 | |
| top | average opponent: 1618record: 12-3-1 | new rating: 1796 | ||
| Grand Prix Kuala Lumpur 2010 (WWK standard) | starting rating: 1568 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 23 | Chen, Alven (1518) | Won 2-0 | +181586 |
| 3standard | 34 | Lau, James (1503) | Won 2-1 | +161602 |
| 4standard | 45 | Lai, Kwong Pang (1500) | Won 2-0 | +161618 |
| 5standard | 11 | Tan, Kevin (1338) | Won 2-1 | +131631 |
| 6standard | 3 | Loh, Chuan Han (1679) | Draw 1-1 | +11632 |
| 7standard | 9 | Subcharoen, Jakguy (1703) | Lost 0-2 | -171615 |
| 8standard | 30 | Lau, Desmond (1637) | Won 2-1 | +191634 |
| 9standard | 19 | Watanabe, Yuuya (2013) | Lost 0-2 | -121622 |
| 10standard | 39 | Gregorio, Melvin (1561) | Won 2-0 | +171639 |
| 11standard | 24 | Chye, Yian Hsiang (1541) | Won 2-0 | +161655 |
| 12standard | 17 | Seow, Qian Jie (1599) | Won 2-0 | +171672 |
| 13standard | 10 | Ascalon, Jason (1617) | Won 2-0 | +171689 |
| 14standard | 7 | Beley, Ryan Mark (1738) | Lost 1-2 | -171672 |
| top | average opponent: 1611record: 9-3-1 | new rating: 1672 | ||
| Grand Prix Singapore 2009 (extended) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 2 | kee, zizheng (1517) | Lost 1-2 | -191574 |
| 3extended | 113 | Xiao, Dennis (1563) | Won 2-0 | +181592 |
| 4extended | 108 | Ang, Kenny (1539) | Lost 1-2 | -191573 |
| 5extended | 108 | Araneta, Terence (1470) | Won 2-0 | +161589 |
| 6extended | 110 | Zhang, Qun (1463) | Lost 0-2 | -211568 |
| top | average opponent: 1510record: 2-3 | new rating: 1568 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 47 | Lim, Rey (1538) | Lost 0-2 | -181537 |
| 4block | 160 | someros, rommel (1534) | Won 2-1 | +181555 |
| 5block | 71 | Perez, Joe (1536) | Won 2-0 | +171572 |
| 6block | 59 | Beley, Ronnie Paul (1616) | Lost 1-2 | -171555 |
| 7block | 65 | Villar, Ivan Louie (1558) | Won 2-1 | +181573 |
| 8block | 46 | Park, Jun Young (1687) | Won 2-1 | +201593 |
| top | average opponent: 1578record: 4-2 | new rating: 1593 | ||
| Grand Prix Bangkok 2007 (LRW limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 10 | Wu, Sebastian (1549) | Won 2-0 | +171573 |
| 3sealed | 1 | Sreepoek, Rangsiman (1519) | Lost 0-2 | -191554 |
| 4sealed | 86 | Au, Kim Wai (1552) | Won 2-1 | +181572 |
| 5sealed | 78 | Le Montagner, Mathieu (1692) | Won 2-0 | +211593 |
| 6sealed | 28 | Jantakananurak, Sumphan (1559) | Lost 0-2 | -191574 |
| 7sealed | 60 | Yu, Pi Hsiang (1515) | Lost 1-2 | -191555 |
| top | average opponent: 1564record: 3-3 | new rating: 1555 | ||
| Grand Prix Singapore 2007 (extended) | starting rating: 1549 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 12 | Wee, Chong Hiang (1466) | Draw 1-1 | -11548 |
| 5extended | 27 | Xu, Bin (1632) | Lost 0-1 | -171531 |
| 6extended | 59 | Au Yong, Wai Kin (1834) | Won 2-1 | +241555 |
| 7extended | 38 | Kawasaki, Daisuke (1608) | Lost 1-2 | -171538 |
| 8extended | 54 | Wong, Kevin (1536) | Won 2-1 | +181556 |
| top | average opponent: 1615record: 2-2-1 | new rating: 1556 | ||
| Grand Prix Singapore 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 16 | Neo, Jarred Chye Heng (1409) | Won 2-0 | +161516 |
| 2extended | 34 | Poh, Ming Jie Audric (1518) | Won 2-0 | +181534 |
| 3extended | 51 | Hung, Hsun Hao (1518) | Won 2-0 | +181552 |
| 4extended | 51 | Goh, Kenneth Hanming (1554) | Lost 1-2 | -181534 |
| 5extended | 88 | Gong, Di Hui (1525) | Draw 1-1 | 01534 |
| 6extended | 58 | Lin, Ming Shian (1450) | Won 2-1 | +161550 |
| 7extended | 42 | pak, matthew (1476) | Won 2-1 | +171567 |
| 8extended | 28 | Yap, Jing Yang (1580) | Lost 1-2 | -181549 |
| top | average opponent: 1504record: 5-2-1 | new rating: 1549 | ||