Rathasart Jiroajvanichakorn

THA · 17 yrs · K=40 · Peak 1916 (Aug 2026)

Best performance: 1984 at Thailand Rapid Chess Championship 2026 Open+Women(Best of 2026)

World #=21434 live9921#31,355 publishedThailand #13#2 U18 in Thailand

OCT26 Rating

1886

Live Rating

1959.2

Change

+73.2

Games Played

Rating History · Rapid

Loading chart…

Rapid games since the October list

	Tournament	Score	Change	TPR	After
	Thailand Rapid Chess Championship 2026 Open+WomenOct 15 – Oct 17TPR 1984	9½/13	+73.2	1984	1959.2

Event timeline · Rapid

36 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Thailand Rapid Chess Championship 2026 Open+Women+73.2
Oct 2026Individualchess-results.com
Best of 2026Score 9½/13TPR 1984Opp avg 1809Start 1886
RED KNIGHT CHESS CAFE 2ND ANNIVERSARY ♘♞♘♞♘ FIDE RATED RAPID CHAMPIONSHIP1800
Aug 2026Swisschess-results.com
#6 in 2026Score 3/6Opp avg 1872Start 1916
Korat Open Chess Championship 2026 U18 + Open1950
Jul 2026Swisschess-results.com
#4 in 2026Score 6½/11Opp avg 1914Start 1886
Robinson LifeStyle Ches Championship 2026 (Open)⭐⭐⭐1963
May 2026Swisschess-results.com
#3 in 2026Score 3/4Opp avg 1770Start 1863
3rd TigerDen Chess Tournament Open1886
Mar 2026Swisschess-results.com
#5 in 2026Score 5/7Opp avg 1728Start 1841
RKCC FIDE Rated Rapid January 20261979
Jan 2026Swissfederation source
#2 in 2026Score 4/6Opp avg 1854Start 1791
RKCC FIDE Rated Rapid - October 20251844
Oct 2025Swissfederation source
#2 in 2025Score 3½/5Opp avg 1695Start 1774
JCA Chesfest 20251871
Sep 2025Swissfederation source
Best of 2025Score 4/6Opp avg 1799Start 1750
Red Knight Chess Cafe Anniversary Rapid Championship 20251766
Aug 2025Swissfederation source
#4 in 2025Score 3/6Opp avg 1766Start 1744
9th Eastern Asia Youth Chess Championships 2025 Rapid-U161623
Jul 2025Swissfederation source
#5 in 2025Score 3½/7Opp avg 1623Start 1827
23rd ASEAN AGE GROUP RAPID CHESS CHAMPIONSHIP 2025 (U16 Open)1798
Jul 2025Swissfederation source
#3 in 2025Score 3½/7Opp avg 1798Start 1827
Thailand Rapid Chess Championship 2024 - Open1914
Nov 2024Swissfederation source
#2 in 2024Score 7½/13Opp avg 1914Start 1763
The Mall Lifestyle Bangkae Chess Championship 2024 - Rapid Open1973
Mar 2024Swissfederation source
Best of 2024Score 4/6Opp avg 1901Start 1692
TCA x Big Rook Olympiad Chess Challenge 2024 - Rapid U162144
Feb 2024Swissfederation source
Score 7/7Opp avg 1344Start 1396
Thailand Rapid Chess Championship 2023 - U181518
Dec 2023Swissfederation source
#2 in 2023Score 9/11Opp avg 1393Start 1342
M Life Chess Championship 2023 - Open Rapid1617
Sep 2023Swissfederation source
Best of 2023Score 4/6Opp avg 1742Start 1312
World Youth U16 Chess Olympiad 20231220
Aug 2023Individualfederation source
#5 in 2023Score 1½/8Opp avg 1642Start 1344
21st ASEAN Age Group Chess Championships 2023 - Rapid Open 141300
Jun 2023Swissfederation source
#4 in 2023Score 3/7Opp avg 1540Start 1363
101C 6th Anniversary 20231454
Mar 2023Swissfederation source
#3 in 2023Score 5/6Opp avg 1261Start 1339
6th Eastern Asia Youth Chess Championship - U14 Rapid1508
Nov 2022Swissfederation source
#2 in 2022Score 3/6Opp avg 1508Start 1285
Thailand School Championship 2022 - Open U141263
Sep 2022Swissfederation source
#3 in 2022Score 7½/9Opp avg 1263Start 1141
Gainsfield Chess FiDE Rated Rapid - U18001658
Jun 2022Swissfederation source
Best of 2022Score 4½/6Opp avg 1509Start 1080
Thailand Chess Festival Rapid Age-Group Chess Championship 2021—(2)
Dec 2021Swissfederation source
Score 4½/6Opp avg 1283Start 1036
Thailand Chess Festival Team Rapid Chess Championship 20211510
Dec 2021Teamfederation source
Best of 2021Score 3/8Opp avg 1612Start 1036
Big Rook FIDE Rated Pre-Songkran Event, U1200—(1)
Mar 2021Swissfederation source
Score 3/6Opp avg 1043Start 1046

Recent opponents · Rapid

FMTinnakrit Arunnuntapanich CMWarot Kananub Apichit Buakird Tupfah Khumnorkaew Faris Rashid Alriyami Ditsapat Niramitpattanakoson Roman Suksumit Sakkaranant Plakwongsirikul Sahapol Nakvanich Supakrit Wongbenjarat Tachit Sriwises Rabil Surapongprapa Thirat Namahoot

Rated near Rathasart Jiroajvanichakorn · Rapid

World

#=21434Luan Netto Nikifork Antunes1959.2
#=21434Arsenii Filimonov1959.2
#=21434Rathasart Jiroajvanichakorn1959.2
#=21438Iwahn Apon1959.0
#=21438Berend Ruben1959.0

Thailand

Live ratings projected from the OCT26 published list · Not affiliated with FIDE