The 46th Thailand National Chess Championship 2023 Open will take place from 12-16 April 2023 in Central Chaengwattana, Bangkok, Thailand. The time control is 90 minutes plus a 30 seconds increment starting from move one. More than 50 players will participate in 46th edition of Thailand National Chess Championship 2023 Open, which will be played in 9-round Swiss system.
Replay: Nepo – Ding game 1 / Ding – Nepo game 2 / Nepo – Ding game 3 /
Collection: Reactions to 4.h3 by Ding Liren
Curious: NM Bryan Tillis – the only one to cover 4. h3?! on Chessable
Parallel: Hans Niemann and Gukesh at Menorca Chess 2023 / Anna Cramling interview for CNN / More in our #TweetOftheDay section
Full list of players :
| No. | Name | FED | Rtg | |
| 1 | FM | Laohawirapap, Prin | THA | 2312 |
| 2 | FM | Kulpruethanon, Thanadon | THA | 2244 |
| 3 | FM | Wiwatanadate, Poompong | THA | 2019 |
| 4 | Buakird, Apichit | THA | 1962 | |
| 5 | Burbach, Brunel Baron | THA | 1934 | |
| 6 | Nattavutthisit, Kavin | THA | 1900 | |
| 7 | Akharaboollasez, Akharin | THA | 1894 | |
| 8 | Wongsawan, Thoetsak | THA | 1849 | |
| 9 | Wiwarin, Piyapon | THA | 1838 | |
| 10 | Charoenkwan, Pat | THA | 1687 | |
| 11 | Suppt-Hongs, Paisal | THA | 1669 | |
| 12 | Maneeratanasak, Chanavuth | THA | 1634 | |
| 13 | Chotichanathawewong, Sanquan | THA | 1621 | |
| 14 | Mokawattana, Wongsathorn | THA | 1616 | |
| 15 | Buranasing, Wanawee | THA | 1589 | |
| 16 | Pitantanakij, Olarn | THA | 1564 | |
| 17 | Keeratipong, Ukachoke | THA | 1542 | |
| 18 | ACM | Chiravanich, Pathee | THA | 1540 |
| 19 | Pantong, Tikampon | THA | 1533 | |
| 20 | Sela, Prajak | THA | 1497 | |
| 21 | Chunsukon, Viritpol | THA | 1492 | |
| 22 | Jitwichian, Pataradit | THA | 1478 | |
| 23 | Saenpoch, Kansak | THA | 1427 | |
| 24 | Kaenratana, Punyathon | THA | 1426 | |
| 25 | Siladaeng, Teewasu | THA | 1384 | |
| 26 | Mishra, Arush | THA | 1367 | |
| 27 | Pattanak, Wittawat | THA | 1354 | |
| 28 | Punyanitya, Jirath | THA | 1348 | |
| 29 | Wongbenjarat, Supakrit | THA | 1319 | |
| 30 | Phongkit, Sriraksa | THA | 1296 | |
| 31 | Jeeradit, Metha | THA | 1278 | |
| 32 | Srivatanakul, Pricha | THA | 1275 | |
| 33 | Chimyam, Jakkawan | THA | 1216 | |
| 34 | Vongrungrot, Kritin | THA | 1198 | |
| 35 | Deeprasert, Fauzi | THA | 1185 | |
| 36 | Punyanitya, Prempipath | THA | 1157 | |
| 37 | Phimpraphan, Sunny | THA | 1148 | |
| 38 | Wongbunchailert, Rawat | THA | 1048 | |
| 39 | Kaewwattha, Chanathun | THA | 1024 | |
| 40 | Apiruksaphon, Jinna | THA | 0 | |
| 41 | Hongton, Suksun | THA | 0 | |
| 42 | Jirasiriariyakul, Sirawat | THA | 0 | |
| 43 | Junyong, Manatsaran | THA | 0 | |
| 44 | Kusakulpiboon, Sirawich | THA | 0 | |
| 45 | Lueang-Urai, Peerasit | THA | 0 | |
| 46 | Oakkharauaong, Kanchai | THA | 0 | |
| 47 | Pinprasert, Tanawat | THA | 0 | |
| 48 | Quint, Stefan | THA | 0 | |
| 49 | Srichiraratana, Sittha | THA | 0 | |
| 50 | Srilaoong, Kuakoon | THA | 0 |
