Choi, Minseok
Current rating: 1257
Record: 8-27-1
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1310 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 181 | Kwanchaitunya, Sakditat (1581) | Lost 1-2 | -131297 |
| 3pioneer | 494 | Ogawa, Masaru (1535) | Lost 0-2 | -141283 |
| 4pioneer | 630 | Yokoyama, Dylan (1489) | Lost 0-2 | -141269 |
| 5pioneer | 709 | Endo, Daisuke (1462) | Won 2-0 | +221291 |
| 6pioneer | 530 | Hishida, Tomoya (1254) | Lost 0-2 | -191272 |
| 7pioneer | 533 | Tsukadaira, Kouki (1461) | Lost 0-2 | -151257 |
| top | average opponent: 1464record: 1-5 | new rating: 1257 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1323 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 528 | Iwamura, Ryouichi (1441) | Lost 0-2 | -161307 |
| 3modern | 1013 | Harita, Naoki (1528) | Lost 1-2 | -141293 |
| 4modern | 853 | Tanaka, Jouji (1551) | Won 2-1 | +231316 |
| 5modern | 857 | Hayashi, Yuhei (1719) | Won 2-0 | +241340 |
| 6modern | 620 | Machida, Takatoshi (1497) | Lost 1-2 | -151325 |
| 7modern | 624 | Fukano, Tatsuya (1490) | Lost 1-2 | -151310 |
| top | average opponent: 1538record: 2-4 | new rating: 1310 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1404 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 485 | Tateno, Shun (1517) | Lost 1-2 | -161388 |
| 3standard | 854 | Kihara, Syouta (1593) | Lost 0-2 | -141374 |
| 4standard | 883 | Ho, Jong-Yi (1549) | Lost 0-2 | -151359 |
| 5standard | 966 | Schwenk, Ryan (1388) | Lost 0-2 | -181341 |
| 6standard | 914 | Murase, Takahiro (1303) | Lost 1-2 | -181323 |
| top | average opponent: 1470record: 0-5 | new rating: 1323 | ||
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1375 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 62 | Cobb, Axel (1583) | Won 2-1 | +211396 |
| 3modern | 106 | Ng, Yang Theng (1624) | Lost 0-2 | -141382 |
| 4modern | 276 | Wee, Pang Ming (1801) | Lost 0-2 | -101372 |
| 5modern | 209 | Knyazev, Ivan (1552) | Lost 0-2 | -151357 |
| 6modern | 333 | Lyu, Jinghong (1484) | Won 2-1 | +201377 |
| 7modern | 229 | Lee, Farand (1773) | Draw 1-1 | +71384 |
| 8modern | 222 | Chan, Siu Kit (1496) | Won 2-0 | +201404 |
| top | average opponent: 1616record: 3-3-1 | new rating: 1404 | ||
| Grand Prix Shanghai 2017 (XLN standard) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 133 | Li, Xiao 0191 (1500) | Lost 1-2 | -171444 |
| 3standard | 235 | Wang, Chong (1602) | Lost 0-2 | -161428 |
| 4standard | 248 | Leng, Yan Ning (1298) | Lost 1-2 | -201408 |
| 5standard | 297 | Jiang, Xintong (1466) | Lost 0-2 | -171391 |
| 6standard | 317 | Xu, Yujie (1472) | Lost 1-2 | -161375 |
| top | average opponent: 1468record: 0-5 | new rating: 1375 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 395 | Koshiba, Norihiko (1469) | Won 2-1 | +171517 |
| 4standard | 342 | Nagami, Takahiro (1537) | Lost 0-2 | -171500 |
| 5standard | 253 | Seet, Danny (1613) | Won 2-1 | +201520 |
| 6standard | 351 | Shimizu, Toshiki (1884) | Lost 0-2 | -121508 |
| 7standard | 425 | Fuchita, Shouhei (1701) | Lost 1-2 | -141494 |
| 8standard | 635 | Hayakawa, Sho (1610) | Lost 1-2 | -161478 |
| 9standard | 697 | Miyata, Yuuya (1534) | Lost 1-2 | -171461 |
| top | average opponent: 1621record: 2-5 | new rating: 1461 | ||