Koh, Kai Che
Current rating: 1585
Record: 90-80-2
- 2013
- 2014
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
- 2023
| Regional Championships Clark 2023 (ONE standard) | starting rating: 1611 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 9 | Tan, Wei Siong (1570) | Lost 0-2 | -191592 |
| 2standard | 27 | Kiwanont, Sukhum (1613) | Won 2-1 | +191611 |
| 3standard | 23 | Pratomo, Arwin (1504) | Lost 0-2 | -201591 |
| 4standard | 33 | Lee, Weimin (1415) | Won 2-0 | +141605 |
| 5standard | 27 | Warren, Luis Anthony (1458) | Lost 1-2 | -201585 |
| 6standard | 24 | Bugayong, JEFF (1493) | Won 2-0 | +161601 |
| 7standard | 24 | Tan, Jan Vincent (1696) | Lost 1-2 | -161585 |
| top | average opponent: 1536record: 3-4 | new rating: 1585 | ||
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 1 | Kondo, Yuichi (1519) | Won 2-1 | +161618 |
| 3pioneer | 138 | Jitsukawa, Naofumi (1676) | Won 2-0 | +191637 |
| 4pioneer | 164 | Sugizaki, Shunsuke (1609) | Won 2-0 | +181655 |
| 5pioneer | 74 | Sugiyama, Kouichi (1399) | Lost 1-2 | -231632 |
| 6pioneer | 63 | Yamamoto, Keiichi (1590) | Won 2-1 | +171649 |
| 7pioneer | 55 | Yamada, Yosuke9422 (1628) | Lost 0-2 | -181631 |
| 8pioneer | 222 | Imai, Yuutarou (1512) | Lost 0-2 | -201611 |
| top | average opponent: 1562record: 4-3 | new rating: 1611 | ||
| Grand Prix Yokohama 2019 (modern) | starting rating: 1611 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 260 | Kato, Shota (1534) | Won 2-1 | +171628 |
| 4modern | 112 | Ishizaka, Akira (1608) | Lost 0-2 | -191609 |
| 5modern | 260 | Kurita, Ryo (1538) | Won 2-0 | +171626 |
| 6modern | 327 | Kurokawa, Ryushi (1584) | Lost 1-2 | -191607 |
| 7modern | 391 | Meng, Yuning (1544) | Won 2-1 | +171624 |
| 8modern | 335 | Shimizu, Takeo (1382) | Lost 0-2 | -221602 |
| top | average opponent: 1532record: 3-3 | new rating: 1602 | ||
| Grand Prix Singapore 2018 (DOM standard) | starting rating: 1659 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 127 | Dungan, Conrad (1683) | Lost 0-2 | -181641 |
| 4standard | 136 | Shah Ahmad, Izwan (1539) | Lost 0-2 | -191622 |
| 5standard | 269 | Tiaw, Wen Zhuo (1539) | Lost 0-2 | -201602 |
| 6standard | 241 | Lim, Jay Vin (1468) | Lost 0-2 | -201582 |
| 7standard | 246 | Chua, Jeremy (1500) | Won 2-0 | +161598 |
| 8standard | 199 | Oku, Yusuke (1314) | Won 2-1 | +131611 |
| top | average opponent: 1507record: 2-4 | new rating: 1611 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1679 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 501 | Chen, Qitian (1470) | Won 2-1 | +151694 |
| 3sealed | 508 | Yeo, Max (1534) | Lost 1-2 | -211673 |
| 4sealed | 509 | Dunsford, Denny (1715) | Lost 0-2 | -171656 |
| 5sealed | 507 | Ong, Meng Koon (1439) | Won 2-1 | +141670 |
| 6sealed | 504 | Lim, Adwin (1550) | Lost 1-2 | -201650 |
| 7sealed | 507 | Lee, Ji-Timm (1476) | Lost 1-2 | -221628 |
| 8sealed | 510 | Asehan, Ceasar John (1524) | Won 2-1 | +161644 |
| 9sealed | 508 | Pe, Damien Hang Rui (1452) | Won 2-1 | +151659 |
| top | average opponent: 1520record: 4-4 | new rating: 1659 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1610 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 127 | Suzuki, Yuuji (1565) | Won 2-1 | +171627 |
| 3sealed | 367 | Kiefer, Lucas (1626) | Lost 0-2 | -181609 |
| 4sealed | 749 | Endo, Yusuke (1469) | Lost 0-2 | -201589 |
| 5sealed | 659 | Inoue, Seiya (1468) | Won 2-0 | +151604 |
| 6sealed | 387 | Ueki, Yoshinori (1603) | Lost 0-2 | -181586 |
| 7sealed | 680 | Katagiri, Shinichi (1589) | Won 2-1 | +181604 |
| 8sealed | 480 | Yamasaki, Yuuta (1516) | Won 2-0 | +171621 |
| 9sealed | 377 | Wang, Yidong (1752) | Won 2-0 | +201641 |
| 10draft | 83 | Oshima, Keisuke (1668) | Won 2-1 | +191660 |
| 11draft | 228 | Petre, Evan (1908) | Won 2-1 | +221682 |
| 12draft | 213 | Kawase, Takeshi (1596) | Lost 0-2 | -191663 |
| 13draft | 57 | Takuwa, Kazuya (1625) | Won 2-0 | +171680 |
| 14draft | 119 | Senoo, Yuto (1618) | Won 2-0 | +171697 |
| 15draft | 94 | Abe, Takashi (1733) | Lost 1-2 | -181679 |
| top | average opponent: 1624record: 9-5 | new rating: 1679 | ||
| Grand Prix Manila 2017 (AKH standard) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 68 | Hildawa, Martin Jacob (1540) | Won 2-1 | +171607 |
| 3standard | 79 | Seet, Danny (1609) | Lost 1-2 | -181589 |
| 4standard | 202 | Berenstein, Nadav (1517) | Won 2-1 | +171606 |
| 5standard | 72 | Lee, Michael [TWN] (1533) | Lost 0-2 | -201586 |
| 6standard | 162 | Malsin, Ray Roger (1613) | Won 2-0 | +191605 |
| 7standard | 72 | Cruz, Robin (1542) | Lost 1-2 | -191586 |
| 8standard | 126 | Tambalo, Marco (1522) | Won 2-0 | +161602 |
| 9standard | 141 | Tan, David (1411) | Won 2-0 | +151617 |
| 10standard | 72 | Ortiz, Richmond (1548) | Lost 0-2 | -191598 |
| 11standard | 98 | Mari, Mark Johnson (1469) | Lost 0-2 | -211577 |
| 12standard | 101 | Perez, John (1511) | Won 2-1 | +171594 |
| 13standard | 82 | Data, Ryan Rey (1626) | Lost 0-2 | -171577 |
| 14standard | 90 | Lim, Rey (1517) | Won 2-0 | +171594 |
| 15standard | 88 | Soon, Joshua (1505) | Won 2-1 | +161610 |
| top | average opponent: 1533record: 8-6 | new rating: 1610 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1610 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 555 | Sakatani, Tsuyoshi (1531) | Won 2-0 | +171627 |
| 4standard | 168 | Kawanishi, Naoya (1571) | Won 2-0 | +171644 |
| 5standard | 15 | Miyamoto, Hiroya (1805) | Lost 0-2 | -151629 |
| 6standard | 336 | Futami, Yoshiki (1534) | Lost 1-2 | -201609 |
| 7standard | 500 | Nakata, Yuusaku (1565) | Won 2-0 | +171626 |
| 8standard | 414 | Sasaki, Shimon (1526) | Lost 1-2 | -191607 |
| 9standard | 411 | Naraya, Takaaki (1670) | Lost 0-2 | -171590 |
| top | average opponent: 1600record: 3-4 | new rating: 1590 | ||
| Grand Prix Brisbane 2017 (modern) | starting rating: 1630 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 113 | Woo, Nicky (1539) | Won 2-1 | +171647 |
| 4modern | 1005 | Kondo, Hirotsugu (1464) | Won 2-0 | +141661 |
| 5modern | 52 | Catan, Albern (1635) | Lost 1-2 | -181643 |
| 6modern | 114 | Visser, Tyler (1776) | Won 2-0 | +201663 |
| 7modern | 26 | Cameron, Maitland (1948) | Lost 0-2 | -131650 |
| 8modern | 96 | Laird, Gregory (1489) | Lost 1-2 | -211629 |
| 9modern | 143 | Lawler, Jesse (1541) | Won 2-0 | +171646 |
| 10modern | 78 | Huckins, Louis (1535) | Lost 0-2 | -201626 |
| 11modern | 107 | Kawasaki, Keita (1978) | Lost 0-2 | -121614 |
| 12modern | 129 | McFadyen, Callum (1517) | Won 2-1 | +161630 |
| 13modern | 100 | Garcia, Brennan (1532) | Lost 1-2 | -201610 |
| top | average opponent: 1632record: 5-6 | new rating: 1610 | ||
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1643 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 620 | Sutjianto, Jeremia Joel (1493) | Lost 0-0 | -211622 |
| 4standard | 623 | Hama, Kirito (1428) | Lost 0-2 | -211601 |
| 5standard | 636 | Suwondo, Edward (1469) | Won 2-1 | +151616 |
| 6standard | 629 | Takasugi, Tomoki (1494) | Won 2-1 | +161632 |
| 7standard | 615 | Hui, Yew Woh (1603) | Lost 1-2 | -181614 |
| 8standard | 623 | Keskowit, Kawinwat (1525) | Won 2-0 | +161630 |
| 9standard | 614 | Pangestu, Bushh Bonaldy (1656) | Draw 1-1 | 01630 |
| top | average opponent: 1524record: 3-3-1 | new rating: 1630 | ||
| Grand Prix Tokyo 2016 (SOI standard) | starting rating: 1638 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 714 | Nagasawa, Kensuke (1671) | Won 2-1 | +181656 |
| 4standard | 98 | Bestard, Kat (1566) | Lost 0-2 | -191637 |
| 5standard | 513 | Umezawa, Tarou (1537) | Won 2-0 | +161653 |
| 6standard | 367 | Itou, Motoki (1702) | Lost 0-2 | -171636 |
| 7standard | 623 | Atsumi, Naoya (1475) | Won 2-0 | +151651 |
| 8standard | 407 | Utida, Yuki (1550) | Won 2-1 | +161667 |
| 9standard | 296 | Itou, Daiki (Shimomaruko) (1579) | Won 2-1 | +171684 |
| 10standard | 63 | Suzuki, Takuto (1551) | Lost 1-2 | -211663 |
| 11standard | 255 | Kano, Norihiro (1572) | Won 2-0 | +161679 |
| 12standard | 108 | Tamai, Yuno (1529) | Lost 0-2 | -201659 |
| 13standard | 206 | Omori, Ken'ichirou (1846) | Lost 1-2 | -151644 |
| 14standard | 260 | Isurugi, Hideyuki (1643) | Lost 0-2 | -181626 |
| 15standard | 254 | Noguchi, Takeshi (1555) | Won 2-1 | +171643 |
| top | average opponent: 1598record: 7-6 | new rating: 1643 | ||
| Grand Prix Melbourne 2016 (modern) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 104 | Barton, Troy (1519) | Lost 1-2 | -181507 |
| 3modern | 427 | Milner, James (1500) | Won 2-1 | +181525 |
| 4modern | 254 | Moody, Blake (1517) | Won 2-1 | +181543 |
| 5modern | 77 | Yang, Phillip (1521) | Won 2-0 | +181561 |
| 6modern | 111 | Charlton, Chris (1543) | Won 2-1 | +171578 |
| 7modern | 18 | Egan, Isaac (1785) | Lost 0-2 | -141564 |
| 8modern | 113 | Kobayashi, Yutarou (1518) | Lost 0-2 | -191545 |
| 9modern | 131 | Hallam-Walsh, Gideon (1557) | Won 2-1 | +181563 |
| 10modern | 154 | Miller, Mason (1564) | Won 2-1 | +181581 |
| 11modern | 59 | So, Tsz Shing (1600) | Won 2-0 | +191600 |
| 12modern | 40 | Budzin, Tyrone (1620) | Won 2-0 | +181618 |
| 13modern | 46 | Durant, Dean (1581) | Lost 0-2 | -191599 |
| 14modern | 54 | Damilatis, Nathan (1755) | Won 2-1 | +211620 |
| 15modern | 41 | Z, Dominic (1603) | Won 2-0 | +181638 |
| top | average opponent: 1585record: 10-4 | new rating: 1638 | ||
| Grand Prix Nagoya 2016 (OGW limited) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 341 | Noda, Akihiro (1412) | Won 2-1 | +151597 |
| 4sealed | 84 | Inazawa, Ryo (1576) | Won 2-0 | +181615 |
| 5sealed | 96 | Kawahama, Yoshikazu (1542) | Lost 1-2 | -201595 |
| 6sealed | 171 | Iwase, Akira (1708) | Lost 1-2 | -161579 |
| 7sealed | 371 | Shimizu, Toshiki (1662) | Lost 1-2 | -161563 |
| 8sealed | 420 | Takahashi, Toshirou (1465) | Lost 0-2 | -201543 |
| 9sealed | 599 | Kurihara, Tomo (1557) | Lost 0-2 | -181525 |
| top | average opponent: 1560record: 2-5 | new rating: 1525 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 113 | Feyand, Florian (1705) | Lost 0-2 | -171589 |
| 3modern | 285 | Shazmiq, Mohamed (1502) | Lost 0-2 | -191570 |
| 4modern | 408 | James Frogley, Toby (1482) | Lost 1-2 | -201550 |
| 5modern | 482 | Adikoesoemo, Austein (1350) | Won 2-0 | +151565 |
| 6modern | 371 | Lambrich, Benjamin (1534) | Won 2-0 | +171582 |
| top | average opponent: 1514record: 2-3 | new rating: 1582 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 90 | Ishida, Ryouhei (1503) | Won 2-0 | +161636 |
| 3sealed | 8 | Hatta, Tetsuya (1519) | Won 2-1 | +161652 |
| 4sealed | 80 | Mizuki, Shota (1586) | Lost 0-2 | -191633 |
| 5sealed | 144 | Inukai, Masakazu (1521) | Won 2-0 | +161649 |
| 6sealed | 79 | Wada, Kazunori (1611) | Lost 0-2 | -191630 |
| 7sealed | 178 | Tateishi, Yutarou (1533) | Won 2-0 | +161646 |
| 8sealed | 146 | Furutani, Yamato (1499) | Lost 1-2 | -201626 |
| 9sealed | 135 | Watanabe, Kenji6956 (1521) | Lost 0-2 | -201606 |
| top | average opponent: 1536record: 4-4 | new rating: 1606 | ||
| Grand Prix Manila 2015 (KTK standard) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 34 | Guasch, Eli (1512) | Won 2-1 | +171561 |
| 3standard | 49 | Park, Bi-O (1665) | Won 2-0 | +201581 |
| 4standard | 83 | Kuo, Tzu-Ching (1897) | Lost 1-2 | -131568 |
| 5standard | 196 | Tanyag, Eduardo (1541) | Won 2-1 | +181586 |
| 6standard | 119 | Quimson, Emmanuel A (1556) | Lost 0-2 | -191567 |
| 7standard | 210 | Barabona, Herbert (1594) | Won 2-1 | +191586 |
| 8standard | 156 | Marcelo, Martin (1511) | Won 2-0 | +171603 |
| 9standard | 68 | Batac, Michael Tom (1655) | Won 2-1 | +181621 |
| 10standard | 32 | Bugayong, Jr (1606) | Won 2-1 | +181639 |
| 11standard | 22 | Tan, Morris (1614) | Lost 1-2 | -181621 |
| 12standard | 37 | Mohd Nasir, Mohd Ikmal (1758) | Won 0-0 | +201641 |
| 13standard | 23 | Yu, Blas Anthony (1561) | Lost 1-2 | -191622 |
| 14standard | 31 | Canuto, Luie Angelo (1585) | Won 2-1 | +171639 |
| 15standard | 23 | Tang, Roy (1587) | Lost 1-2 | -191620 |
| top | average opponent: 1617record: 9-5 | new rating: 1620 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 156 | Ang, Charlie (1459) | Lost 0-2 | -191477 |
| 3sealed | 291 | sia, david m (1556) | Lost 0-2 | -161461 |
| 4sealed | 384 | Teh, Benny Yi Sheng (1483) | Won 2-0 | +181479 |
| 5sealed | 298 | Jaldon, Immanuel (1438) | Won 2-0 | +171496 |
| 6sealed | 162 | Neo, Alvin (1652) | Won 2-1 | +211517 |
| 7sealed | 99 | Chua, Wei Xiang (1658) | Won 2-1 | +211538 |
| 8sealed | 106 | Lei, Yu Sheng (1836) | Lost 1-2 | -131525 |
| 9sealed | 103 | Bayrante, Albert (1553) | Won 2-1 | +191544 |
| top | average opponent: 1579record: 5-3 | new rating: 1544 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 65 | Follero, Lawrence (1574) | Lost 0-2 | -161447 |
| 4sealed | 215 | Camangon, Gerald (1863) | Lost 1-2 | -111436 |
| 5sealed | 265 | Chu, Chucky (1502) | Won 2-1 | +201456 |
| 6sealed | 271 | Ng, Chi Fai (1619) | Won 2-1 | +211477 |
| 7sealed | 157 | Zhang, Yang Da (1442) | Won 2-0 | +171494 |
| 8sealed | 82 | Cheong, Kenny (1583) | Lost 1-2 | -161478 |
| 9sealed | 182 | Villa, Francis Christopher Duane (1501) | Won 2-0 | +181496 |
| top | average opponent: 1584record: 4-3 | new rating: 1496 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 134 | Prayoonthien, Nonthasa (1469) | Lost 0-2 | -191481 |
| 2sealed | 233 | Surangsrirat, Khumpon (1482) | Won 2-0 | +181499 |
| 3sealed | 244 | Jinyuan, Ken Hu (1480) | Lost 0-2 | -181481 |
| 4sealed | 310 | Cheepchol, Teerapong (1507) | Lost 1-2 | -171464 |
| 5sealed | 320 | Tretasayuth, Nattachai (1464) | Won 2-0 | +181482 |
| 6sealed | 256 | Rattanasangsathieng, Piya (1542) | Won 2-0 | +191501 |
| 7sealed | 197 | Ladizhenko, Valery (1504) | Lost 0-2 | -181483 |
| 8sealed | 226 | Yupanondh, Peeraporn (1401) | Lost 0-2 | -201463 |
| 9sealed | 206 | Goh, Wei Chuan (1463) | Draw 1-1 | 01463 |
| top | average opponent: 1479record: 3-5-1 | new rating: 1463 | ||