Chew Jun, George
Current rating: 1489
Record: 25-28-4
| Regional Championships Singapore 2022 (pioneer) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 12 | Lin, Ruizi (1907) | Lost 1-2 | -121525 |
| 2pioneer | 50 | Lai, Andy (1506) | Lost 0-2 | -181507 |
| 3pioneer | 72 | Tang, Timothy (1469) | Won 2-0 | +171524 |
| 4pioneer | 54 | Hee, Chung Wye (1570) | Lost 0-2 | -171507 |
| 5pioneer | 63 | Abdollah, Azman (1468) | Lost 0-2 | -181489 |
| top | average opponent: 1584record: 1-4 | new rating: 1489 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1555 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 515 | Shinagawa, Kazunari (1493) | Won 2-1 | +171572 |
| 3sealed | 185 | Nagaoka, Takayuki (1854) | Won 2-1 | +231595 |
| 4sealed | 176 | Maekawa, Kazumi (1573) | Lost 1-2 | -181577 |
| 5sealed | 145 | Kitazawa, Kentarou (1639) | Lost 0-2 | -171560 |
| 6sealed | 593 | Sawada, Ryo (1360) | Lost 1-2 | -221538 |
| 7sealed | 571 | Tobo, Hayato (1503) | Lost 0-2 | -181520 |
| 8sealed | 575 | Ehara, Makoto (1478) | Won 2-0 | +171537 |
| top | average opponent: 1557record: 3-4 | new rating: 1537 | ||
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 65 | Takakuwa, Akihiro (1660) | Won 2-1 | +201551 |
| 3standard | 39 | Chen, Calvin (1531) | Lost 1-2 | -181533 |
| 4standard | 193 | Prawira, Hartono (1561) | Won 2-0 | +191552 |
| 5standard | 83 | Shoji, Tatsuro (1629) | Lost 0-2 | -171535 |
| 6standard | 200 | Yajima, Tatsuaki (1655) | Won 2-0 | +201555 |
| 7standard | 139 | Yu, Ronald Joshua (1579) | Lost 0-2 | -171538 |
| 8standard | 161 | Lee, Gino (1535) | Won 2-1 | +171555 |
| top | average opponent: 1593record: 4-3 | new rating: 1555 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 44 | Chan, Sze Hang (1974) | Lost 0-2 | -101513 |
| 3sealed | 167 | Sevcik, Lukas (1534) | Lost 0-2 | -181495 |
| 4sealed | 513 | Setiadi, Frans (1462) | Won 2-1 | +181513 |
| 5sealed | 200 | Liu, Xiyuan (1662) | Won 2-1 | +201533 |
| 6sealed | 152 | Ooi, Adrian (1500) | Lost 1-2 | -181515 |
| 7sealed | 152 | Liu, Zuoren (1490) | Won 2-0 | +171532 |
| 8sealed | 505 | Lim, Lawrence (1477) | Lost 0-2 | -191513 |
| 9sealed | 141 | Hadar, Pratama Syawalludien (1500) | Won 2-1 | +181531 |
| top | average opponent: 1575record: 4-4 | new rating: 1531 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 137 | Low, Yoong Hui (1517) | Won 2-0 | +181538 |
| 2standard | 49 | Liew, Kok Yang (1574) | Lost 0-2 | -181520 |
| 3standard | 212 | Mohmad Nizar, Muhammad Zharif (1482) | Won 0-0 | +171537 |
| 4standard | 116 | Tong, Michael (1501) | Lost 1-2 | -181519 |
| 5standard | 188 | Castillo, Dar Francis (1569) | Won 2-0 | +191538 |
| 6standard | 200 | Fauzi, Faisal (1550) | Won 2-0 | +181556 |
| 7standard | 130 | Kwanchaitunya, Sakditat (1505) | Draw 1-1 | -11555 |
| 8standard | 110 | Jim, Thomas (1702) | Lost 0-2 | -151540 |
| 9standard | 161 | Chia, Reeve (1622) | Lost 1-2 | -171523 |
| top | average opponent: 1558record: 4-4-1 | new rating: 1523 | ||
| Grand Prix Guangzhou 2016 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 1088 | Lim, Zhong Yi (1719) | Lost 1-2 | -141488 |
| 4modern | 1078 | Tsang, Derek (1850) | Lost 0-2 | -111477 |
| 5modern | 1128 | Gao, Yi (1495) | Lost 1-2 | -181459 |
| 6modern | 1134 | Ye, Jianjun (1487) | Won 2-1 | +181477 |
| 7modern | 1142 | Yang, Yankun (1498) | Won 2-1 | +191496 |
| 8modern | 1074 | Liang, Wenhao (1518) | Won 2-1 | +181514 |
| 9modern | 1090 | He, Yue (1499) | Won 2-0 | +181532 |
| 10modern | 95 | Chen, Dehao (1523) | Lost 0-2 | -181514 |
| 11modern | 110 | Kwok, Bone (1772) | Won 2-0 | +221536 |
| 12modern | 86 | Li, Bohan (1512) | Lost 1-2 | -181518 |
| 13modern | 110 | Liu, Wenbo (1475) | Won 2-1 | +171535 |
| 14modern | 102 | Xu, Chenyang (1668) | Lost 1-2 | -151520 |
| top | average opponent: 1585record: 6-6 | new rating: 1520 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 882 | Yanagidate, Ikumi (1500) | Lost 0-2 | -181482 |
| 2standard | 1246 | Sugita, Ryu (1482) | Draw 1-1 | 01482 |
| 3standard | 1420 | Saito, Tomoe (1428) | Lost 1-2 | -191463 |
| 4standard | 1529 | Kondo, Masahiro (1601) | Won 2-0 | +211484 |
| 5standard | 1283 | Hyakuda, Atsushi (1532) | Draw 1-1 | 01484 |
| 6standard | 1349 | Fukuda, Kouta (1482) | Won 2-0 | +181502 |
| 7standard | 1127 | Hosaka, Atsushi (1501) | Draw 1-1 | 01502 |
| 8standard | 947 | Ueda, Kazuki (1523) | Lost 0-2 | -171485 |
| 9standard | 863 | Inoue, Asato (1467) | Won 2-0 | +171502 |
| top | average opponent: 1502record: 3-3-3 | new rating: 1502 | ||