Choi, Suouk
Current rating: 1554
Record: 39-35
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1575 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 160 | Zhang, Haoyang (1500) | Won 2-1 | +171592 |
| 2pioneer | 219 | Tsutai, Koutarou (1379) | Lost 0-2 | -221570 |
| 3pioneer | 512 | Sato, Motohiko (1700) | Won 2-0 | +201590 |
| 4pioneer | 407 | Suganuma, Asaki (1515) | Won 2-1 | +171607 |
| 5pioneer | 108 | Tachibana, Kentarou (1739) | Lost 0-2 | -161591 |
| 6pioneer | 363 | Miyamoto, Akihiro (1572) | Lost 0-2 | -181573 |
| 7pioneer | 451 | Watanabe, Ayumi (1544) | Lost 0-2 | -191554 |
| top | average opponent: 1564record: 3-4 | new rating: 1554 | ||
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 160 | Uengsuepchua, Chalotorn (1500) | Won 2-0 | +171588 |
| 2sealed | 123 | Erlangga, Reza (1640) | Lost 1-2 | -171571 |
| 3sealed | 285 | Rubalskiy, Fedor (1825) | Won 2-1 | +221593 |
| 4sealed | 116 | Loh, Jason (1677) | Won 2-1 | +201613 |
| 5sealed | 136 | Chan, Russell (1492) | Lost 1-2 | -201593 |
| 6sealed | 155 | Zainuddin, Shamsul Bahrin (1694) | Lost 0-2 | -161577 |
| 7sealed | 188 | Ang, Wen Guang (1453) | Won 2-1 | +151592 |
| 8sealed | 153 | Eng, Tiang Wah (1624) | Lost 1-2 | -171575 |
| top | average opponent: 1613record: 4-4 | new rating: 1575 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 12 | Fukuda, Keisuke (1500) | Won 2-0 | +171551 |
| 2modern | 222 | Hiruta, Noriaki (1561) | Lost 0-2 | -181533 |
| 3modern | 797 | Nakajima, Hajime (1499) | Lost 1-2 | -181515 |
| 4modern | 871 | Iwata, Ryoji (1376) | Won 2-0 | +151530 |
| 5modern | 908 | Kosuga, Shuhei (1485) | Won 2-1 | +181548 |
| 6modern | 388 | Kometani, Yuki (1637) | Lost 0-2 | -171531 |
| 7modern | 591 | Nishizawa, Taichi (1603) | Won 2-0 | +191550 |
| 8modern | 408 | Omori, Ken'ichirou (1699) | Won 2-0 | +211571 |
| top | average opponent: 1545record: 5-3 | new rating: 1571 | ||
| Grand Prix Shizuoka 2018 (legacy) (legacy) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 53 | Yoshino, Yorimoto (1495) | Lost 1-2 | -201562 |
| 2legacy | 542 | Ujihara, Atsushi (1456) | Lost 0-2 | -201542 |
| 3legacy | 647 | Hayashi, Kosuke (1465) | Won 2-0 | +171559 |
| 4legacy | 542 | Komoto, Ryosuke (1386) | Won 2-0 | +151574 |
| 5legacy | 480 | Daigen, Yuto (1496) | Lost 1-2 | -201554 |
| 6legacy | 481 | Ichinohe, Hirona (1415) | Lost 0-2 | -201534 |
| top | average opponent: 1452record: 2-4 | new rating: 1534 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 595 | Katoh, Wataru (1414) | Won 2-0 | +161514 |
| 2modern | 51 | Ogino, Hiroki (1395) | Lost 1-2 | -201494 |
| 3modern | 1085 | Nakamura, Satoshi (1489) | Won 2-0 | +181512 |
| 4modern | 471 | Amayasu, Kazunori (1549) | Lost 1-2 | -181494 |
| 5modern | 972 | Yamamoto, Keiichi (1488) | Lost 0-2 | -181476 |
| 6modern | 921 | Isogai, Yusuke (1448) | Won 2-0 | +181494 |
| 7modern | 807 | Mita, Hiroki (1485) | Won 2-1 | +181512 |
| 8modern | 530 | Mikihisa, Kamiyama (1517) | Won 2-0 | +181530 |
| 9modern | 537 | Takenaga, Tomohiro (1563) | Won 2-1 | +181548 |
| 10modern | 342 | Yamada, Junki (1470) | Lost 0-2 | -191529 |
| 11modern | 336 | Suzuki, Takuya 2595 (1506) | Won 2-1 | +171546 |
| 12modern | 235 | Kawase, Yoshihiko (1551) | Lost 0-2 | -171529 |
| 13modern | 281 | Tamai, Toshimasa (1511) | Won 2-0 | +171546 |
| 14modern | 224 | Gondo, Kosuke (1570) | Won 2-1 | +191565 |
| 15modern | 202 | Takahashi, Masato 3726 (1524) | Won 2-0 | +171582 |
| top | average opponent: 1499record: 10-5 | new rating: 1582 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 151 | Fukaya, Toshiki (1480) | Won 2-1 | +171575 |
| 2standard | 569 | Hirai, Kento (1519) | Lost 1-2 | -191556 |
| 3standard | 1341 | Uraya, Masamitsu (1404) | Lost 0-2 | -211535 |
| 4standard | 1475 | Kobayashi, Kazutaka (Kanagawa) (1481) | Lost 0-2 | -191516 |
| 5standard | 1373 | Kaneko, Hirotaka (1489) | Lost 0-2 | -181498 |
| top | average opponent: 1475record: 1-4 | new rating: 1498 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 526 | Sonobe, Keishi (1547) | Lost 1-2 | -181505 |
| 2standard | 789 | Matumura, Akihiro (1444) | Won 2-1 | +171522 |
| 3standard | 689 | Takahashi, Tomoo (1330) | Won 2-1 | +151537 |
| 4standard | 651 | Ahn, Seongbeom (1482) | Won 2-1 | +171554 |
| 5standard | 460 | Katagiri, Akihito (1583) | Lost 0-2 | -181536 |
| 6standard | 547 | Tabata, Yuusuke (1602) | Won 2-0 | +191555 |
| 7standard | 309 | Fukumoto, Nobuhiro (1439) | Won 2-0 | +161571 |
| 8standard | 280 | Takebayashi, Tomo (1852) | Lost 0-2 | -131558 |
| top | average opponent: 1535record: 5-3 | new rating: 1558 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Hayakawa, Sho (1500) | Won 2-0 | +171537 |
| 2sealed | 75 | Kudou, Toshio (1548) | Lost 0-2 | -171520 |
| 3sealed | 195 | Satou, Chika (1512) | Won 2-1 | +171537 |
| 4sealed | 260 | Maruyama, Satoshi (1583) | Won 2-1 | +191556 |
| 5sealed | 109 | Nomura, Ryosuke (1613) | Lost 1-2 | -171539 |
| 6sealed | 275 | Andou, Koutarou (1700) | Won 2-0 | +211560 |
| 7sealed | 178 | Sumitomo, Yusuke (1483) | Lost 0-2 | -191541 |
| 8sealed | 317 | Kumada, Keiichiro (1536) | Lost 1-2 | -181523 |
| top | average opponent: 1559record: 4-4 | new rating: 1523 | ||
| Grand Prix Kobe 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 237 | Yamazaki, Hiroyuki (1420) | Lost 0-2 | -191481 |
| 2sealed | 331 | kouno, Masakazu (1482) | Won 2-0 | +181499 |
| 3sealed | 209 | Abiko, Haduki (1497) | Won 2-0 | +181517 |
| 4sealed | 159 | Matsuda, Issui (1662) | Won 2-0 | +201537 |
| 5sealed | 124 | Kainuma, Satoru (1516) | Lost 1-2 | -181519 |
| 6sealed | 294 | Miyanishi, Makoto (1443) | Won 2-0 | +161535 |
| 7sealed | 223 | Nasu, Hideki H (1487) | Lost 0-2 | -181517 |
| 8sealed | 196 | Tamura, Tomoaki (1603) | Won 2-1 | +191536 |
| 9sealed | 124 | Yii, Terh Kuen (1625) | Lost 1-2 | -161520 |
| top | average opponent: 1526record: 5-4 | new rating: 1520 | ||