Piamrasrisakul, Pitiwatt
Current rating: 1454
Record: 13-16
| Grand Prix Kuala Lumpur 2016 (KLD standard) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 29 | Wong, Michael Yau Fatt (1456) | Lost 0-2 | -201511 |
| 2standard | 192 | Ng, Clarence (1583) | Lost 0-2 | -161495 |
| 3standard | 323 | Md Yusof, Mohd Shah Reza (1438) | Lost 0-0 | -191476 |
| 4standard | 332 | Paino, Asfaediano (1445) | Lost 1-2 | -191457 |
| 5standard | 643 | Cheong, Tessa (1427) | Lost 1-2 | -191438 |
| 6standard | 315 | Suffian, Sesuai (1290) | Won 2-1 | +161454 |
| top | average opponent: 1440record: 1-5 | new rating: 1454 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 247 | Hwang, Winston Jun Wei (1500) | Won 2-1 | +191486 |
| 2modern | 134 | Shahir Adha, Muhammad (1519) | Won 2-1 | +181504 |
| 3modern | 193 | Soh, Irving (1518) | Lost 1-2 | -171487 |
| 4modern | 200 | Ong, Frederick (1554) | Won 2-0 | +191506 |
| 5modern | 95 | Webster, Ash (1678) | Lost 0-2 | -151491 |
| 6modern | 300 | Seah, Lip Chee Eric (1617) | Lost 0-2 | -161475 |
| 7modern | 256 | Yu Hin Eric, Cheng (1502) | Won 2-0 | +191494 |
| 8modern | 220 | Tang, Cheng (1520) | Won 2-0 | +181512 |
| 9modern | 127 | Ismail, Ariff (1533) | Won 2-1 | +191531 |
| top | average opponent: 1549record: 6-3 | new rating: 1531 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 101 | Soh, Chien Ming Victor (1518) | Lost 0-2 | -181467 |
| top | record: 0-1 | new rating: 1467 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 146 | Joseph, Nevim j (1553) | Lost 1-2 | -171463 |
| 3sealed | 137 | Agkhopun, Nontiwat (1501) | Won 2-1 | +191482 |
| 4sealed | 124 | Virasitikul, Ackarin (1407) | Lost 0-2 | -201462 |
| 5sealed | 201 | Kunthonrittdej, Krit (1499) | Won 2-0 | +191481 |
| 6sealed | 203 | Ungguravekin, Suppacho (1527) | Won 2-0 | +191500 |
| 7sealed | 156 | Lee, Sung-Bum (1625) | Lost 1-2 | -161484 |
| 8sealed | 189 | Aryusanil, Apichit (1503) | Won 2-0 | +191503 |
| 9sealed | 96 | Ichayapreug, Paeree (1506) | Lost 0-2 | -181485 |
| top | average opponent: 1515record: 4-4 | new rating: 1485 | ||
| Grand Prix Bangkok 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Soon Yong, Yeap (1500) | Lost 1-2 | -181482 |
| 2sealed | 111 | Grinaker, Erik (1480) | Won 2-0 | +181500 |
| 3sealed | 129 | Yupanondh, Peeraporn (1450) | Lost 1-2 | -191481 |
| 4sealed | 180 | Strand, Bjorn-Olav (1401) | Won 2-0 | +171498 |
| 5sealed | 124 | Kamalto, Chnaphot (1502) | Lost 1-2 | -181480 |
| top | average opponent: 1467record: 2-3 | new rating: 1480 | ||