Co, Mark Anthony
Current rating: 1595
Record: 30-24-10
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1636 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 276 | Arai, Ryou9421 (1563) | Won 2-1 | +171653 |
| 2sealed | 437 | Kudo, Koichi (1624) | Lost 0-2 | -191634 |
| 3sealed | 672 | Yamamoto, Takayuki (1566) | Lost 0-2 | -191615 |
| 4sealed | 914 | Sakamoto, Ryuta (1483) | Lost 1-2 | -201595 |
| top | average opponent: 1559record: 1-3 | new rating: 1595 | ||
| Grand Prix Manila 2017 (AKH standard) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 193 | Vergara, Karlo (1566) | Lost 1-2 | -171527 |
| 2standard | 214 | Barrozo, Raul Joseph (1482) | Won 2-1 | +171544 |
| 3standard | 245 | Bragato, Riccardo (1679) | Lost 1-2 | -151529 |
| 4standard | 325 | Tong, King Yim Kingston (1821) | Won 2-0 | +231552 |
| 5standard | 267 | Kamaruddin, Mohd Nazharudin (1496) | Won 2-1 | +171569 |
| 6standard | 128 | Cruz, Neil (1633) | Lost 0-2 | -171552 |
| 7standard | 242 | Gambe, August (1595) | Won 2-1 | +191571 |
| 8standard | 153 | Penus, Kristoffer (1460) | Won 2-1 | +161587 |
| 9standard | 118 | Sabillon, John David (1459) | Won 2-1 | +151602 |
| 10standard | 83 | Wiegersma, Jelger (1791) | Won 2-1 | +221624 |
| 11standard | 78 | Rosal, Manuel Angelo G (1559) | Won 2-1 | +171641 |
| 12standard | 47 | Lee, Anthony (1965) | Lost 0-2 | -131628 |
| 13standard | 69 | Yee, Wilky (1582) | Won 2-1 | +171645 |
| 14standard | 47 | Dela Cruz, Michael John (1710) | Draw 1-1 | +21647 |
| 15standard | 45 | Ichikawa, Yuuki (2081) | Lost 1-2 | -111636 |
| top | average opponent: 1659record: 9-5-1 | new rating: 1636 | ||
| Grand Prix Manila 2012 (AVR standard) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 36 | Baldevarona, Mon jr. (1518) | Lost 0-2 | -181532 |
| 3standard | 273 | Grageda, John Rocel (1382) | Won 2-0 | +151547 |
| 4standard | 276 | Cristobal, Cincin Pagu (1522) | Draw 1-1 | -11546 |
| 5standard | 209 | Dela Cruz, Jack (1517) | Draw 1-1 | 01546 |
| 6standard | 301 | Yu, Blas Anthony (1562) | Lost 1-2 | -181528 |
| 7standard | 348 | Pulmones, Reiner (1499) | Won 2-0 | +181546 |
| 8standard | 263 | Catipon, Jhones (1519) | Won 2-1 | +171563 |
| 9standard | 189 | Eng, Edward A (1526) | Lost 0-1 | -191544 |
| top | average opponent: 1506record: 3-3-2 | new rating: 1544 | ||
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1600 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 23 | Tan, Yong Ren Jonathan (1500) | Draw 1-1 | -21598 |
| 2standard | 159 | Yap, Novalus (1468) | Draw 1-1 | -21596 |
| 3standard | 216 | Wong, Freddy Choon Sung (1537) | Lost 0-2 | -201576 |
| 4standard | 280 | Elias, Didi (1484) | Won 2-1 | +171593 |
| 5standard | 238 | Teh, Ching Oon (1507) | Lost 0-2 | -201573 |
| 6standard | 247 | Razman Ramli, Mohamad (1431) | Won 2-1 | +161589 |
| 7standard | 204 | Natasubrata, Kresna (1559) | Lost 0-2 | -191570 |
| 8standard | 204 | Cheah, Zhen Loong (1465) | Lost 1-2 | -201550 |
| top | average opponent: 1494record: 2-4-2 | new rating: 1550 | ||
| Grand Prix Singapore 2011 (NPH standard) | starting rating: 1602 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 114 | Glyn-Jones, David (1483) | Draw 1-1 | -21600 |
| 3standard | 80 | Chong, Kin Leong (1752) | Draw 1-1 | +21602 |
| 4standard | 205 | Lee, Andrew [MYS] (1561) | Won 2-0 | +181620 |
| 5standard | 156 | Yeh, Chao Lung (1655) | Lost 0-2 | -181602 |
| 6standard | 196 | Chua, Chiew Song (1452) | Draw 1-1 | -21600 |
| top | average opponent: 1581record: 1-1-3 | new rating: 1600 | ||
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1532 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 72 | Tuazon, Roy Edward (1500) | Lost 1-2 | -191513 |
| 2standard | 309 | Quesea, Marvin (1482) | Won 2-1 | +181531 |
| 3standard | 284 | Clarino, Chris Allen R (1500) | Won 2-0 | +171548 |
| 4standard | 141 | Castillote, Glenal Yves (1516) | Won 2-1 | +181566 |
| 5standard | 178 | Fung, Chun Sing (1536) | Won 2-1 | +171583 |
| 6standard | 39 | mack, daniel L (1503) | Draw 1-1 | -11582 |
| 7standard | 80 | Boonsiri, Toon (1612) | Won 2-0 | +181600 |
| 8standard | 46 | Lim, Benjamin (1510) | Won 2-0 | +171617 |
| 9standard | 25 | Ruess, Jan (1803) | Lost 1-2 | -151602 |
| top | average opponent: 1551record: 6-2-1 | new rating: 1602 | ||
| Grand Prix Kuala Lumpur 2010 (WWK standard) | starting rating: 1553 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 77 | Ong, Vincent (1500) | Won 2-1 | +171570 |
| 2standard | 101 | Chua, Kai Guan (1484) | Won 2-0 | +171587 |
| 3standard | 42 | Mohammad Abdul Rahman, Muham (1536) | Lost 1-2 | -191568 |
| 4standard | 163 | Chai, Royce Ming Huang (1719) | Lost 0-2 | -151553 |
| 5standard | 153 | Ng, Edwin (1502) | Lost 1-2 | -191534 |
| 6standard | 192 | Mohd Ramli, Mohd Zamri (1481) | Won 2-0 | +171551 |
| 7standard | 149 | De Leon, Luis Antonio (1501) | Lost 0-2 | -191532 |
| top | average opponent: 1532record: 3-4 | new rating: 1532 | ||
| Grand Prix Manila 2008 (Lorwyn block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 82 | Mandig, Michael (1500) | Won 2-1 | +181518 |
| 2block | 105 | Baclig, Jonathan (1518) | Won 2-0 | +181536 |
| 3block | 24 | Legaspi, Kristian (1536) | Draw 1-1 | 01536 |
| 4block | 69 | Tirol, Patrick Benjamin (1536) | Lost 1-2 | -181518 |
| 5block | 129 | Suzuki, Shoichi (1567) | Won 2-0 | +191537 |
| 6block | 88 | Quiambao, Alvin Paulo (1535) | Lost 0-2 | -181519 |
| 7block | 133 | Trillana, Conrad (1470) | Won 2-0 | +171536 |
| 8block | 91 | Angeles, Ulysses (1506) | Won 2-0 | +171553 |
| top | average opponent: 1521record: 5-2-1 | new rating: 1553 | ||