Koh, Charles
Current rating: 1569
Record: 35-34-1
Grand Prix Singapore 2017 (XLN limited) | starting rating: 1563 | |||
round | table | opponent (rating) | result | Δrating |
1sealed | 71 | Hoh, Derik (1585) | Lost 0-2 | -171546 |
2sealed | 143 | Gleeson-Payne, Toby (1482) | Won 2-0 | +161562 |
3sealed | 205 | Oomori, Yasutomo (1777) | Lost 1-2 | -141548 |
4sealed | 228 | Chia, Tet Hong (1472) | Won 2-0 | +171565 |
5sealed | 191 | Leung, Victor (1463) | Won 2-0 | +161581 |
6sealed | 159 | Tan, Wee Li (1529) | Won 2-1 | +171598 |
7sealed | 106 | Tse, Felix (2076) | Lost 1-2 | -101588 |
8sealed | 131 | Zhang, Yi 1971 (1540) | Lost 0-2 | -191569 |
top | average opponent: 1616record: 4-4 | new rating: 1569 |
Grand Prix Singapore 2013 (RTR limited) | starting rating: 1510 | |||
round | table | opponent (rating) | result | Δrating |
1sealed | 301 | Voo, Patrick (1500) | Won 2-0 | +181528 |
2sealed | 106 | Laksmono, Christian (1500) | Won 2-0 | +181546 |
3sealed | 26 | Salazar, Frederick (1742) | Won 2-1 | +211567 |
4sealed | 53 | Soliveres, Roel (1543) | Won 2-0 | +181585 |
5sealed | 52 | Wong, Nicholas Jonathan (1772) | Won 2-0 | +211606 |
6sealed | 21 | Teh, Vincent (1732) | Won 2-1 | +201626 |
7sealed | 10 | Xu, Shiwei (1572) | Lost 0-2 | -191607 |
8sealed | 41 | Lim, Redmond (1665) | Won 2-0 | +191626 |
9sealed | 21 | Chow, Clarence (1457) | Lost 0-2 | -211605 |
10draft | 18 | Leong, Ding Yuan (1941) | Lost 1-2 | -121593 |
11draft | 56 | Ong, Calvin Xuan Qiang (1604) | Won 2-1 | +181611 |
12draft | 33 | Mokhtaruddin, Mohd Hafiz (1673) | Lost 0-2 | -161595 |
13draft | 32 | Sirilertvorakul, Veerapat (1819) | Lost 1-2 | -141581 |
15draft | 39 | Ong, Sze Tat (1611) | Lost 0-2 | -181563 |
top | average opponent: 1652record: 8-6 | new rating: 1563 |
Grand Prix Singapore 2011 (NPH standard) | starting rating: 1524 | |||
round | table | opponent (rating) | result | Δrating |
1standard | 114 | Sutanto, Hendrew (1427) | Won 2-0 | +171541 |
2standard | 82 | Arsyad, Ahmad (1518) | Won 2-1 | +171558 |
3standard | 68 | Hofmann, Mike (1763) | Lost 1-2 | -141544 |
4standard | 179 | Chai, Royce Ming Huang (1698) | Lost 1-2 | -151529 |
5standard | 239 | Chen, Si Jin (1503) | Lost 1-2 | -191510 |
top | average opponent: 1582record: 2-3 | new rating: 1510 |
Grand Prix Auckland 2008 (ALA limited) | starting rating: 1535 | |||
round | table | opponent (rating) | result | Δrating |
4sealed | 9 | Steele, Wayne (1467) | Won 2-1 | +171552 |
5sealed | 9 | D'Ambrosio, Loren (1526) | Won 2-0 | +171569 |
6sealed | 1 | Ruel, Olivier (2049) | Lost 1-2 | -91560 |
7sealed | 20 | Combs, Joseph E (1556) | ID | 01560 |
8draft | 4 | D'Ambrosio, Loren (1525) | Lost 1-2 | -191541 |
9draft | 8 | Anderson, Raymond (1555) | Lost 1-2 | -181523 |
10draft | 7 | Kiesanowski, Cody (1489) | Lost 1-2 | -181505 |
11draft | 21 | Richards, Scott (1652) | Won 2-0 | +201525 |
12draft | 2 | Patel, Glenn (1554) | Lost 1-2 | -171508 |
13draft | 28 | Stokes, Keith (1435) | Won 2-1 | +161524 |
top | average opponent: 1581record: 4-5-1 | new rating: 1524 |
Grand Prix Brisbane 2007 (LRW limited) | starting rating: 1597 | |||
round | table | opponent (rating) | result | Δrating |
4sealed | 27 | Tabet, Basam (1683) | Lost 1-2 | -171580 |
5sealed | 45 | Ward, Matthew [AUS] (1535) | Won 2-1 | +181598 |
6sealed | 12 | Neeman, Jeremy (1729) | Lost 0-2 | -161582 |
7sealed | 45 | Egan, Isaac (1520) | Won 2-0 | +171599 |
8draft | 22 | Kwan, Chris (1708) | Lost 0-0 | -161583 |
9draft | 22 | Saito, Tomoharu (1966) | Lost 1-2 | -121571 |
10draft | 7 | Swannack, Cole (1623) | Lost 0-2 | -171554 |
11draft | 21 | Hampton, Luke (1486) | Lost 0-0 | -191535 |
top | average opponent: 1656record: 2-6 | new rating: 1535 |
Grand Prix Singapore 2007 (extended) | starting rating: 1581 | |||
round | table | opponent (rating) | result | Δrating |
2extended | 19 | Kang, Gabriel (1566) | Won 2-1 | +181599 |
3extended | 11 | Wang, Tian Poo (1517) | Won 2-0 | +161615 |
4extended | 16 | Fujita, Osamu (1904) | Lost 0-2 | -121603 |
5extended | 60 | Boonvoraset, Sirisak (1486) | Won 2-0 | +151618 |
6extended | 23 | Mokhtaruddin, Mohd Hafiz (1547) | Won 2-0 | +171635 |
7extended | 16 | Francisco, John Paul (1562) | Lost 0-2 | -191616 |
8extended | 34 | Chua, Kim Yong Brian (1562) | Lost 1-2 | -191597 |
top | average opponent: 1592record: 4-3 | new rating: 1597 |
Grand Prix Sydney 2006 (TSP limited) | starting rating: 1500 | |||
round | table | opponent (rating) | result | Δrating |
2sealed | 16 | Chin Quan, Audrey (1515) | Lost 0-2 | -181482 |
3sealed | 49 | Bruce, Bronwyn (1500) | Won 2-1 | +181500 |
4sealed | 68 | Lee Yeow Hsing, Ivan (1482) | Won 2-0 | +181518 |
5sealed | 49 | Foster, Angus (1483) | Won 2-0 | +171535 |
6sealed | 30 | Van Kalker, Zeke (1501) | Won 2-1 | +181553 |
7sealed | 20 | Bracht, Maximilian (1758) | Lost 0-2 | -151538 |
8draft | 8 | Chetcuti, Vincent (1537) | Won 2-0 | +181556 |
9draft | 22 | Crewe, David (1569) | Won 2-0 | +191575 |
10draft | 23 | Dang, David (1587) | Won 2-0 | +181593 |
11draft | 29 | Neeman, Jeremy (1662) | Lost 0-2 | -171576 |
12draft | 3 | Seck, Ben (1822) | Lost 0-2 | -131563 |
13draft | 16 | Pickering, Peter (1601) | Won 2-1 | +181581 |
top | average opponent: 1585record: 8-4 | new rating: 1581 |
Grand Prix Melbourne 2005 (extended) | starting rating: 1500 | |||
round | table | opponent (rating) | result | Δrating |
1extended | 7 | Otton, Kieren (1547) | Draw 1-1 | +11501 |
2extended | 34 | Niedelman, Benjamin (1535) | Won 2-1 | +181519 |
3extended | 19 | Lehmann, Andrew (1519) | Lost 1-2 | -181501 |
4extended | 47 | Varga, Andrew (1519) | Won 2-0 | +191520 |
5extended | 36 | Donnelly, Katherine (1504) | Lost 1-2 | -181502 |
6extended | 43 | Hunn, Philip (1497) | Won 2-0 | +171519 |
7extended | 33 | Eyre, Shayne (1428) | Lost 0-2 | -191500 |
top | average opponent: 1507record: 3-3-1 | new rating: 1500 |