Phromthongg, Jirunn
Current rating: 1488
Record: 5-6
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 563 | Fukushi, Kyouhei (1506) | Lost 1-2 | -191502 |
| 2sealed | 686 | Saijo, Yuichi (1815) | Lost 0-2 | -121490 |
| 3sealed | 1132 | Hayakawa, Ryo (1454) | Won 2-0 | +171507 |
| 4sealed | 820 | Kosuge, Shogo (1460) | Lost 0-2 | -191488 |
| average opponent: 1559record: 1-3 | new rating: 1488 | |||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 13 | Yupanondh, Chuleeporn (1500) | Won 2-0 | +181518 |
| 2sealed | 25 | Kovitkanit, Pichai (1519) | Won 2-0 | +181536 |
| 3sealed | 90 | Ang, Charlie (1486) | Lost 1-2 | -191517 |
| 4sealed | 149 | Jeong, Hyunwoo (1675) | Lost 0-2 | -151502 |
| 5sealed | 210 | Wongtawon, Suracheat (1486) | Won 2-1 | +181520 |
| 6sealed | 174 | Thongsook, Woragon (1517) | Won 2-1 | +181538 |
| 7sealed | 174 | Wee, Tim Liang (1586) | Lost 1-2 | -171521 |
| average opponent: 1538record: 4-3 | new rating: 1521 | |||