Yu, Ronald Joshua
Current rating: 1587
Record: 33-33-2
| Regional Championships Singapore 2023 Cycle 4 (pioneer) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 9 | Santiago, Rainier (1579) | Won 2-1 | +181564 |
| 2pioneer | 24 | Yam, Wing Chun (1903) | Won 2-1 | +241588 |
| 3pioneer | 6 | Lim, Jun Weng (1586) | Lost 1-2 | -181570 |
| 4pioneer | 36 | Nathan, Ryan (1526) | Won 2-0 | +181588 |
| 5pioneer | 8 | Abrazado, Nikko (1520) | Won 2-1 | +161604 |
| 6pioneer | 6 | Lim, Wei Teng (1626) | Lost 0-2 | -171587 |
| 7pioneer | 20 | Tang, Nicholas (1672) | Lost 0-2 | -171570 |
| 8pioneer | 22 | Achacoso, Paulo (1525) | Won 2-1 | +171587 |
| top | average opponent: 1617record: 5-3 | new rating: 1587 | ||
| Regional Championships Singapore 2023 (pioneer) | starting rating: 1579 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 54 | Yeh, Chao Lung (1575) | Won 2-1 | +181597 |
| 2pioneer | 37 | Tan, Wei Siong (1720) | Lost 0-2 | -161581 |
| 3pioneer | 30 | Mendoza, Norbie (1783) | Won 2-0 | +221603 |
| 4pioneer | 28 | Chin, Justin (1603) | Lost 0-2 | -181585 |
| 5pioneer | 34 | Abrazado, Nikko (1503) | Lost 1-2 | -201565 |
| 6pioneer | 55 | Wa'ie, Asyraf (1482) | Lost 1-2 | -191546 |
| top | average opponent: 1611record: 2-4 | new rating: 1546 | ||
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 167 | Hiyama, Syunsuke (1627) | Won 2-1 | +191590 |
| 4standard | 69 | Tanaka, Hironao (1696) | Won 2-0 | +201610 |
| 5standard | 33 | Kojima, Tatuya (1821) | Lost 0-2 | -141596 |
| 6standard | 33 | Wong, Hok Chun Anson (1623) | Lost 0-2 | -171579 |
| 7standard | 139 | Chew Jun, George (1555) | Won 2-0 | +171596 |
| 8standard | 104 | Law, Andriy (1642) | Lost 1-2 | -171579 |
| top | average opponent: 1661record: 3-3 | new rating: 1579 | ||
| Grand Prix Manila 2017 (AKH standard) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 126 | Payumo, Kristoffer (1581) | Lost 1-2 | -171484 |
| 4standard | 136 | Murakami, Souta (1749) | Lost 1-2 | -131471 |
| 5standard | 242 | Cruz, Marlon Kane (1544) | Won 2-0 | +191490 |
| 6standard | 189 | Bonggo, Francis Gene (1585) | Lost 1-2 | -161474 |
| 7standard | 184 | Estrella, Luis T (1546) | Won 2-1 | +191493 |
| 8standard | 170 | Duenas, John Darwin (1514) | Won 2-1 | +181511 |
| 9standard | 136 | Torres, Aaron (1518) | Won 2-1 | +191530 |
| 10standard | 57 | Limsakdakul, Wathanyu (1553) | Lost 1-2 | -181512 |
| 11standard | 93 | Cruz, Robin (1551) | Won 2-0 | +191531 |
| 12standard | 85 | Mihara, Takuya (1545) | Won 2-0 | +181549 |
| 13standard | 62 | Chua, Jeremiah (1669) | Won 2-1 | +201569 |
| 14standard | 502 | Basconcillo, Marc (1621) | Won 2-1 | +191588 |
| 15standard | 34 | De Leon, Luis Antonio (1658) | Lost 0-2 | -171571 |
| top | average opponent: 1587record: 8-5 | new rating: 1571 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 63 | Zhang, Hongqiang (1703) | Lost 0-0 | -141478 |
| 4standard | 630 | Ali, William (1558) | Won 2-1 | +191497 |
| 5standard | 144 | Medvedev, Dmitry (1658) | Won 2-1 | +211518 |
| 6standard | 82 | Hee, Chung Wye (1459) | Won 2-1 | +171535 |
| 7standard | 35 | Au Yong, Wai Kin (1804) | Lost 0-2 | -131522 |
| 8standard | 58 | Lee, Derrick [SGP] (1466) | Won 2-0 | +171539 |
| 9standard | 32 | Ong Kit Teck, Bryan (1657) | Lost 1-2 | -161523 |
| 10standard | 97 | Edmonds, William (1527) | Lost 1-2 | -181505 |
| 11standard | 99 | Boo, Aaron (1518) | Won 2-0 | +181523 |
| 12standard | 83 | Fujimura, Kazuaki (1837) | Lost 0-2 | -121511 |
| 13standard | 78 | Cantillana, Andrew (1820) | Lost 1-2 | -131498 |
| 14standard | 83 | Cruz, Marlon Kane (1605) | Won 2-0 | +201518 |
| 15standard | 75 | Prabhata, Kynan (1529) | Lost 0-2 | -171501 |
| top | average opponent: 1626record: 6-7 | new rating: 1501 | ||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 48 | Carriaga, Vonn (1573) | Won 2-0 | +211469 |
| 4standard | 90 | Santa Ana, Jerson (1554) | Draw 1-1 | +11470 |
| 5standard | 64 | Bondoc, Deric (1477) | Won 2-0 | +181488 |
| 6standard | 26 | Falag-Ey, John Anthony (1504) | Lost 1-2 | -171471 |
| 7standard | 98 | Ezberto, Alvin Emil (1550) | Won 2-0 | +191490 |
| 8standard | 61 | Sato, Sho Santos (1576) | Lost 0-2 | -161474 |
| 9standard | 126 | Cuello, Anthony (1494) | Won 2-1 | +181492 |
| top | average opponent: 1533record: 4-2-1 | new rating: 1492 | ||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 44 | Zamora Jr, Edgar P (1535) | Won 2-1 | +201466 |
| 4standard | 93 | Wee, Steve Anton Stone (1573) | Draw 1-1 | +21468 |
| 5standard | 52 | Lee, Keng Yin (1645) | Won 2-0 | +211489 |
| 6standard | 28 | Boonsiri, Toon (1642) | Lost 0-2 | -151474 |
| 7standard | 90 | Dela Pena, Michael Angelo (1477) | Lost 0-2 | -181456 |
| 8standard | 159 | Chen, Yen-Chou (1480) | Won 2-0 | +181474 |
| 9standard | 103 | Kawahara, Masanobu (1528) | Won 2-1 | +191493 |
| 10standard | 61 | Chua, Charles Benedict (1572) | Lost 0-2 | -171476 |
| 11standard | 61 | Pangan, Jayson (1562) | Lost 0-2 | -161460 |
| 12standard | 63 | Gonzales, John Benedict (1520) | Lost 1-2 | -171443 |
| 13standard | 63 | Jaro, Ogie (1619) | Won 2-1 | +211464 |
| 14standard | 60 | Gambe, August (1585) | Lost 0-2 | -161448 |
| top | average opponent: 1561record: 5-6-1 | new rating: 1448 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | cruz, mark erwin (1500) | Lost 0-2 | -181482 |
| 2standard | 365 | Paruginog, Marlon (1482) | Lost 1-2 | -181464 |
| 3standard | 418 | Aquino, Miguel Carlos (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1482record: 0-3 | new rating: 1446 | ||