Tan, Joshua
Current rating: 1593
Record: 25-21
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1605 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 134 | Hsu, Chentao (1500) | Won 2-0 | +161621 |
| 2standard | 128 | Ng, Meng Cheong (1622) | Won 2-1 | +181639 |
| 3standard | 179 | Aoki, Yoshitsugu (1835) | Lost 0-2 | -141625 |
| 4standard | 264 | Kurata, Shintaro (1710) | Lost 0-2 | -171608 |
| 5standard | 293 | Chaovarindr, Thirawat (1759) | Lost 1-2 | -151593 |
| top | average opponent: 1685record: 2-3 | new rating: 1593 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1618 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 612 | Watanabe, Takayuki (1471) | Won 2-0 | +161634 |
| 2sealed | 105 | Yanagawa, Tomohiro (1521) | Won 2-1 | +161650 |
| 3sealed | 195 | Liu, Xuan (1635) | Lost 0-2 | -191631 |
| 4sealed | 664 | Koizumi, Yuma (1703) | Lost 1-2 | -161615 |
| 5sealed | 766 | Kamo, Kyouhei (1436) | Lost 1-2 | -211594 |
| 6sealed | 763 | Kato, Hiromu (1418) | Won 2-0 | +141608 |
| 7sealed | 640 | Fusegi, Takanori (1404) | Lost 1-2 | -211587 |
| 8sealed | 550 | Ishiwata, Kouichi (1616) | Won 2-1 | +181605 |
| top | average opponent: 1525record: 4-4 | new rating: 1605 | ||
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 107 | Phillips, Nickolas (1500) | Won 2-0 | +171556 |
| 2standard | 55 | Tan, Wei Lun Sebastian (1485) | Won 2-1 | +171573 |
| 3standard | 83 | Loh, Ryan (1574) | Won 2-0 | +181591 |
| 4standard | 16 | Ju, Yaqiong (1685) | Won 2-0 | +201611 |
| 5standard | 15 | Sato, Rei (2139) | Lost 1-2 | -91602 |
| 6standard | 84 | Yamasaki, Shogo (1790) | Won 2-1 | +211623 |
| 7standard | 61 | Lip, Quinton (1645) | Lost 1-2 | -181605 |
| 8standard | 93 | Li, Tianjian (1795) | Won 2-0 | +221627 |
| 9standard | 70 | Kin Joon, Lam (1594) | Won 2-0 | +171644 |
| 10standard | 27 | Nakashima, Shunichi (1544) | Lost 1-2 | -201624 |
| 11standard | 36 | Pacis, Jack Nicholle (1692) | Won 2-1 | +201644 |
| 12standard | 42 | Yukuhiro, Ken (2176) | Lost 1-2 | -91635 |
| 13standard | 39 | Chu Heng, Eng (1786) | Lost 1-2 | -161619 |
| 14standard | 48 | Foutawekij, Thanachai (1554) | Lost 0-2 | -191600 |
| 15standard | 56 | Yow, Kar Leng (1620) | Won 2-1 | +181618 |
| top | average opponent: 1705record: 9-6 | new rating: 1618 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Shae, Colinn (1490) | Won 2-1 | +171550 |
| 2sealed | 40 | See, Joeshin (1484) | Won 2-0 | +171567 |
| 3sealed | 52 | Hu, Ken (1500) | Lost 0-2 | -201547 |
| 4sealed | 155 | Miclat, Alyssa Chrizelle (1394) | Lost 0-2 | -201527 |
| 5sealed | 131 | Law, Andriy (1532) | Lost 0-2 | -181509 |
| 6sealed | 188 | Chan, Francis (1394) | Won 2-1 | +161525 |
| 7sealed | 182 | Azami, Azri (1381) | Won 2-1 | +151540 |
| 8sealed | 126 | Kodama, Kentaro (1543) | Lost 1-2 | -181522 |
| 9sealed | 153 | Hafiz, Abdul (1471) | Won 2-0 | +171539 |
| top | average opponent: 1465record: 5-4 | new rating: 1539 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 602 | Sebastian, Jerrymie (1386) | Won 2-1 | +161516 |
| 2standard | 89 | Moody, Blake (1644) | Won 2-0 | +201536 |
| 3standard | 88 | Harris, Geoffrey (1571) | Won 0-0 | +191555 |
| 4standard | 16 | Au Yong, Wai Kin (1796) | Lost 0-2 | -141541 |
| 5standard | 101 | Song, Malcolm (1501) | Lost 0-2 | -191522 |
| 6standard | 191 | Otsuka, Tomohito (1841) | Lost 0-2 | -121510 |
| 7standard | 225 | Law, Albertus Hui Chin (1772) | Lost 0-2 | -131497 |
| 8standard | 244 | Yusi, Alexander (1500) | Won 2-0 | +181515 |
| 9standard | 190 | Eddy, Asali (1502) | Won 2-0 | +181533 |
| top | average opponent: 1613record: 5-4 | new rating: 1533 | ||