Cho, Zheng Heng
Current rating: 1395
Record: 27-39
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1381 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 117 | Sabella, Ronaldo (1366) | Won 2-0 | +171398 |
| 2standard | 50 | Tee, Han Yong (1519) | Lost 0-2 | -151383 |
| 3standard | 189 | Ng, Kenji (1526) | Lost 1-2 | -161367 |
| 4standard | 292 | Tjandra, Denver (1484) | Lost 0-2 | -161351 |
| 5standard | 299 | Kim, Myeong-Do (1463) | Lost 1-2 | -161335 |
| 6standard | 282 | Lian, Michael Xerxes (1448) | Won 2-0 | +201355 |
| 7standard | 245 | Pedronio, Alain (1467) | Won 2-0 | +201375 |
| 8standard | 211 | Phillips, Nickolas (1477) | Won 2-0 | +201395 |
| top | average opponent: 1469record: 4-4 | new rating: 1395 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1384 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 18 | Wirawan, Fathur Rachman (1500) | Won 2-1 | +211405 |
| 2sealed | 83 | Alhadhrami, Abdulrahman (1423) | Lost 1-2 | -181387 |
| 3sealed | 175 | Singh, Devsharan (1606) | Lost 1-2 | -141373 |
| 4sealed | 227 | Lin, Mei Mei (1482) | Lost 1-2 | -161357 |
| 5sealed | 236 | Cheng, Melvin (1418) | Won 2-0 | +191376 |
| 6sealed | 195 | Kwan, Mhadi Wiratama (1480) | Lost 1-2 | -161360 |
| 7sealed | 216 | Chang, Junior (1462) | Won 2-0 | +201380 |
| 8sealed | 169 | Yasui, Yusuke (1371) | Won 2-0 | +171397 |
| 9sealed | 167 | Koh, Nicholas (1460) | Lost 0-2 | -161381 |
| top | average opponent: 1467record: 4-5 | new rating: 1381 | ||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1387 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 469 | Renaud, Luke (1525) | Lost 1-2 | -161371 |
| 2sealed | 536 | Kahrs, Tyler (1415) | Lost 1-2 | -171354 |
| 3sealed | 643 | Bergeron, Justin (1464) | Won 2-0 | +201374 |
| 4sealed | 493 | Ward, Ian (1487) | Won 2-0 | +201394 |
| 5sealed | 458 | Dambrosi, Luke (1501) | Lost 0-2 | -161378 |
| 6sealed | 456 | Wyckoff, Daniel (1520) | Lost 1-2 | -161362 |
| 7sealed | 447 | Wagenhoffer, Malcolm (1366) | Won 2-0 | +181380 |
| 8sealed | 357 | Greenawalt, Breanna (1483) | Won 2-1 | +201400 |
| 9sealed | 302 | McNaughten, Richard (1515) | Lost 1-2 | -161384 |
| top | average opponent: 1475record: 4-5 | new rating: 1384 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1375 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 208 | Kishishita, Jun (1428) | Won 2-1 | +191394 |
| 2standard | 257 | Sakanaka, Yousuke (1466) | Won 2-1 | +201414 |
| 3standard | 116 | Matsuura, Takumi (1446) | Lost 1-2 | -181396 |
| 4standard | 649 | Nitta, Yuki (1744) | Lost 0-2 | -121384 |
| 5standard | 938 | Kuroda, Masashiro (1883) | Won 2-1 | +271411 |
| 6standard | 481 | Usui, Haruki (1646) | Lost 0-2 | -141397 |
| 7standard | 701 | Hada, Nobuto (1549) | Lost 0-2 | -151382 |
| 8standard | 615 | Wang, Zimo 5256 (1487) | Lost 0-2 | -161366 |
| 9standard | 538 | Ohira, Shinichi (1526) | Won 2-0 | +211387 |
| top | average opponent: 1575record: 4-5 | new rating: 1387 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1372 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 125 | Berme Jr., Efren M (1500) | Lost 1-2 | -161356 |
| 2modern | 309 | Ho, Mun Yen (1517) | Won 2-0 | +211377 |
| 3modern | 304 | Villa, Ralph Joseph (1504) | Won 2-0 | +201397 |
| 4modern | 259 | Lim, Janan (1518) | Won 2-1 | +211418 |
| 5modern | 209 | Leo, Wei Keong (1555) | Lost 1-2 | -161402 |
| 6modern | 205 | Ong, Jeremy (1485) | Won 2-0 | +201422 |
| 7modern | 199 | Woo, Chee Ming (1539) | Lost 1-2 | -161406 |
| 8modern | 222 | Kodama, Kentaro (1595) | Lost 1-2 | -151391 |
| 9modern | 210 | Caleon, Noel Ace Rex T (1519) | Lost 0-2 | -161375 |
| top | average opponent: 1526record: 4-5 | new rating: 1375 | ||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1415 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 328 | Marcelino, Mark Joseph (1500) | Lost 0-2 | -161399 |
| 2standard | 606 | Lujan, Jude C (1481) | Won 2-0 | +191418 |
| 3standard | 473 | Lim, Rey (1527) | Lost 1-2 | -161402 |
| 4standard | 587 | Foong, Bryan (1481) | Lost 0-2 | -161386 |
| 5standard | 597 | Panganiban, Paolo (1466) | Won 2-0 | +191405 |
| 6standard | 476 | Mindaro, Joshua (1482) | Lost 0-2 | -171388 |
| 7standard | 503 | Dangan, Ralph (1463) | Lost 1-2 | -161372 |
| top | average opponent: 1486record: 2-5 | new rating: 1372 | ||
| Grand Prix Singapore 2007 (extended) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 106 | Bai, Yixiang (1446) | Lost 0-2 | -181445 |
| 3extended | 114 | French, Michael (1523) | Lost 1-2 | -171428 |
| 4extended | 161 | Koh, Chien Shen (1464) | Lost 0-2 | -171411 |
| 5extended | 151 | Tay, Galvin Chow Siong (1446) | Won 2-1 | +181429 |
| 6extended | 143 | Lim, Wee Chuan Mervyn (1463) | Won 2-0 | +191448 |
| 7extended | 125 | Lin, Ming Yi (1600) | Lost 1-2 | -151433 |
| 8extended | 110 | Costales, Glenn S (1460) | Lost 0-2 | -181415 |
| top | average opponent: 1486record: 2-5 | new rating: 1415 | ||
| Grand Prix Singapore 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 55 | Tan, Chin Heng (1500) | Lost 0-2 | -181482 |
| 2extended | 98 | Goh, Yong Xin (1480) | Lost 1-2 | -181464 |
| 3extended | 147 | Toy, WenDa (1464) | Lost 1-2 | -181446 |
| 4extended | 180 | Lin, Rui Feng (1444) | Won 2-0 | +181464 |
| 5extended | 158 | Teo, Chun Min (1462) | Lost 0-2 | -181446 |
| 6extended | 167 | Sutanto, Hendrew (1445) | Won 2-0 | +181464 |
| 7extended | 137 | Wong, Ming Fook (1399) | Lost 0-2 | -191445 |
| 8extended | 128 | Torres, Danielle Paul (1452) | Won 2-0 | +181463 |
| top | average opponent: 1456record: 3-5 | new rating: 1463 | ||