Cohun, Benson
Current rating: 1649
Record: 54-40-3
Grand Prix Manila 2006Grand Prix Singapore 2007Grand Prix Manila 2008Grand Prix Singapore 2009Grand Prix Bangkok 2009Grand Prix Kuala Lumpur 2010Grand Prix Manila 2010Grand Prix Singapore 2011Grand Prix Kuala Lumpur 2012Grand Prix Manila 2012Grand Prix Singapore 2013Grand Prix Bangkok 2013Grand Prix Hong Kong 2015
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1661 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Carbonell, John Stephen (1621) | Lost 0-2 | -191642 |
| 2sealed | 270 | Sarja, Risto (1495) | Won 2-1 | +151657 |
| 3sealed | 310 | Gratadou, Samuel (1500) | Won 2-0 | +151672 |
| 4sealed | 122 | Lam, Kam Wai Wales (1591) | Won 2-1 | +171689 |
| 5sealed | 95 | Mai, Junwei (1631) | Lost 1-2 | -191670 |
| 6sealed | 164 | Murata, Ryousuke (1509) | Lost 0-2 | -211649 |
| top | average opponent: 1558record: 3-3 | new rating: 1649 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1677 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Wong, James Ling Guan (1557) | Lost 0-2 | -201657 |
| 2sealed | 313 | Cheepchol, Teerapong (1504) | Won 2-1 | +151672 |
| 3sealed | 182 | Ha, Sang-Mook (1524) | Won 2-0 | +151687 |
| 4sealed | 239 | Surmsri, Teerachai (1519) | Won 2-0 | +151702 |
| 5sealed | 101 | Kuptimitr, Krissapas (1540) | Lost 0-2 | -211681 |
| 6sealed | 205 | Li, Yongbin (1543) | Lost 0-2 | -201661 |
| top | average opponent: 1531record: 3-3 | new rating: 1661 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1650 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Ong, Weiwah (1615) | Won 2-1 | +171667 |
| 2sealed | 190 | Phanpakorn, Dolpipop (1594) | Won 2-1 | +171684 |
| 3sealed | 35 | Maikhu, Suripat (1621) | Won 2-0 | +161700 |
| 4sealed | 80 | Shu, Peter (1629) | Won 2-0 | +171717 |
| 5sealed | 13 | Yukuhiro, Ken (1963) | Lost 0-2 | -131704 |
| 6sealed | 76 | Zhang, Zhong Han (1554) | Won 2-1 | +151719 |
| 7sealed | 31 | Tan, Raymond (1477) | Lost 0-2 | -221697 |
| 8sealed | 73 | Nam, Sung Wook (1598) | Lost 1-2 | -201677 |
| top | average opponent: 1631record: 5-3 | new rating: 1677 | ||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1644 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 22 | Nakamura, Shuhei (1941) | Won 2-0 | +231667 |
| 5standard | 24 | Ortega, Dominic (1758) | Won 2-1 | +201687 |
| 6standard | 11 | Kim, Ki-young (1597) | Won 2-1 | +161703 |
| 7standard | 2 | Soh, Terry (1995) | Lost 0-2 | -121691 |
| 8standard | 18 | Hsu, Chao Shung Peter (1616) | Lost 0-2 | -201671 |
| 9standard | 69 | Ybanez, Alphonse (1576) | Won 2-0 | +171688 |
| 10standard | 28 | Bay, Rav (1584) | Lost 0-2 | -201668 |
| 11standard | 53 | Calucag, Richard (1554) | Lost 0-2 | -201648 |
| 12standard | 57 | Sati, Pratik (1556) | Won 2-1 | +161664 |
| 13standard | 41 | Luo, Ryan (1615) | Won 2-0 | +171681 |
| 14standard | 40 | Camangon, Gerald (1809) | Lost 0-2 | -161665 |
| 15standard | 40 | Kim, Cynic (1786) | Lost 0-2 | -151650 |
| top | average opponent: 1699record: 6-6 | new rating: 1650 | ||
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 54 | Abdul Rahman, Mohd Effendi (1605) | Won 2-1 | +181624 |
| 2standard | 78 | Dira, Dante V (1456) | Won 2-1 | +151639 |
| 3standard | 12 | Seah, Danny (1640) | Won 2-0 | +181657 |
| 4standard | 35 | Pinyo, Wathanyu (1537) | Lost 1-2 | -201637 |
| 5standard | 128 | Hassan, Saiful Bahari (1518) | Lost 1-2 | -201617 |
| 6standard | 167 | pak, matthew (1449) | Won 2-0 | +151632 |
| 7standard | 122 | Yin, Zhen Yao (1531) | Won 2-0 | +161648 |
| 8standard | 74 | Woo, Wei Jun (1548) | Won 2-0 | +161664 |
| 9standard | 30 | Lai, Daniel (1566) | Lost 1-2 | -201644 |
| top | average opponent: 1539record: 6-3 | new rating: 1644 | ||
| Grand Prix Singapore 2011 (NPH standard) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 28 | Hisyam, Muhammad Syahrul (1443) | Won 2-0 | +151616 |
| 2standard | 80 | Seah, Danny (1569) | Won 2-1 | +181634 |
| 3standard | 45 | Wu, Sebastian (1566) | Won 2-1 | +161650 |
| 4standard | 51 | Ho, Wai Keong Kelvin (1502) | Lost 1-2 | -201630 |
| 5standard | 120 | Nakajima, Mikihito (1533) | Lost 0-2 | -201610 |
| 6standard | 174 | Chua, Lowell Jun Ming (1517) | Won 2-0 | +161626 |
| 7standard | 95 | Chee, Crisler (1510) | Lost 0-2 | -201606 |
| top | average opponent: 1520record: 4-3 | new rating: 1606 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 364 | Malupa, Michael (1500) | Won 2-0 | +161644 |
| 2standard | 8 | Chandra, Edy (1486) | Lost 1-2 | -211623 |
| 3standard | 156 | Willems, Sjoerd (1635) | Lost 0-2 | -181605 |
| 4standard | 343 | Abug, Gabriel (1402) | Draw 1-1 | -41601 |
| top | average opponent: 1506record: 1-2-1 | new rating: 1601 | ||
| Grand Prix Kuala Lumpur 2010 (WWK standard) | starting rating: 1643 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 58 | Gun, Wai Kien (1470) | Won 2-1 | +151658 |
| 2standard | 72 | Asehan, Ceasar John (1552) | Lost 0-2 | -201638 |
| 3standard | 145 | Abdul Razak, Muhammad Farhan (1503) | Lost 0-2 | -201618 |
| 4standard | 220 | Badaruddin, Arif (1482) | Won 2-0 | +151633 |
| 5standard | 145 | Ding, Ian (1503) | Won 2-0 | +161649 |
| 6standard | 141 | Lee, Chao Lin (1485) | Lost 1-2 | -211628 |
| top | average opponent: 1499record: 3-3 | new rating: 1628 | ||
| Grand Prix Bangkok 2009 (M10 limited) | starting rating: 1654 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 10 | Boonyasatian, Surachaste (1594) | Lost 1-2 | -191635 |
| 3sealed | 87 | Davis, Ian [ENG] (1544) | Won 2-0 | +161651 |
| 4sealed | 134 | Wang, Ming Chee (1538) | Lost 0-2 | -201631 |
| 5sealed | 112 | Sng, Eugene Yee Gin (1487) | Won 2-0 | +161647 |
| 6sealed | 79 | Sae Ku, Pichan (1483) | Won 2-1 | +151662 |
| 7sealed | 95 | Chen, Liang (1635) | Lost 1-2 | -191643 |
| top | average opponent: 1547record: 3-3 | new rating: 1643 | ||
| Grand Prix Singapore 2009 (extended) | starting rating: 1660 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 61 | Fung, Gan (1583) | Won 2-1 | +161676 |
| 3extended | 17 | Kamaruddin, Arif B (1518) | Draw 1-1 | -21674 |
| 4extended | 65 | Lai, Chien-Shie (1626) | Draw 1-1 | -11673 |
| 5extended | 87 | Kuan, Khang Jong (1636) | Lost 1-2 | -191654 |
| top | average opponent: 1591record: 1-1-2 | new rating: 1654 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 85 | Jocson, Michael Andrew (1447) | Lost 0-2 | -211559 |
| 2block | 230 | Lim, Benjamin (1482) | Won 2-1 | +171576 |
| 3block | 105 | Lorenzo, Erwin (1500) | Won 2-1 | +161592 |
| 4block | 175 | Dankin, Mark Anthony (1518) | Won 2-1 | +171609 |
| 5block | 91 | Sales, Timothy A (1536) | Won 2-0 | +171626 |
| 6block | 57 | Silverio, Steven (1554) | Won 2-0 | +161642 |
| 7block | 11 | Muralitheran, Hari (1501) | Won 2-1 | +161658 |
| 8block | 17 | Sugaya, Hironobu (1681) | ID | 01658 |
| 9block | 20 | Jaro, Ogie (1717) | Lost 1-2 | -171641 |
| 10block | 25 | Lee, Ji-Hoon (1708) | Lost 0-2 | -171624 |
| 11block | 27 | Phanchaicharoen, Viroj (1647) | Won 2-1 | +191643 |
| 12block | 23 | Sy, Michael A (1601) | Lost 1-2 | -191624 |
| 13block | 26 | Sim, Chapman (1696) | Won 2-0 | +191643 |
| 14block | 24 | Cantillana, Andrew (1572) | Won 2-1 | +171660 |
| top | average opponent: 1583record: 9-4-1 | new rating: 1660 | ||
| Grand Prix Singapore 2007 (extended) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 91 | Poh, Ming Jie Audric (1464) | Won 2-0 | +161579 |
| 3extended | 69 | Chung, Ian Wai Ming (1529) | Won 2-0 | +171596 |
| 4extended | 72 | Law, Albertus Hui Chin (1877) | Lost 1-2 | -131583 |
| 5extended | 113 | French, Michael (1557) | Won 2-1 | +181601 |
| 6extended | 97 | Choi, Jung Won (1424) | Lost 1-2 | -211580 |
| top | average opponent: 1570record: 3-2 | new rating: 1580 | ||
| Grand Prix Manila 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 130 | San Antonio, Sherwin (1500) | Won 2-1 | +181518 |
| 2sealed | 22 | Jaro, Jhay (1518) | Won 2-0 | +181536 |
| 3sealed | 18 | Sobrepena, Ruino Santo (1536) | Won 2-1 | +181554 |
| 4sealed | 9 | Basilio, Charles Martin (1537) | Won 2-0 | +181572 |
| 5sealed | 7 | Yuen, Lionel Weng Foong (1510) | Lost 0-2 | -191553 |
| 6sealed | 25 | Osawa, Takuya (1783) | Won 2-1 | +221575 |
| 7sealed | 18 | Palao, Hajji (1572) | ID | 01575 |
| 8draft | 1 | Minh, Bernard (1589) | Lost 0-2 | -181557 |
| 9draft | 16 | Miranda, Ruby Louise (1555) | Won 2-1 | +181575 |
| 10draft | 7 | Espano, Ryan (1573) | Won 2-1 | +181593 |
| 11draft | 10 | Nakamura, Shuhei (1931) | Lost 1-2 | -121581 |
| 12draft | 32 | Minh, Bernard (1587) | Lost 1-2 | -181563 |
| top | average opponent: 1599record: 7-4-1 | new rating: 1563 | ||