W A Chethani Chamathka

SRI · 23 yrs · K=20 · Peak 1606 (May 2024)

Best performance: 1918 at National Sports Festival 2025 - Chess Women(Best of 2025)

OCT26 Rating

1606

Live Rating

1606.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Oct 2026	1606	0
Sep 2026	1606	0
Aug 2026	1606	0
Jul 2026	1606	0
Jun 2026	1606	0
May 2026	1606	0
Apr 2026	1606	+4
Mar 2026	1602	-4
Feb 2026	1606	+4
Jan 2026	1602	0
Dec 2025	1602	0
Nov 2025	1602	0

Classical games since the October list

No rated standard games this rating periodsince the OCT26 list (Oct 1, 2026)

	Last played	Score	TPR
	National Sports Festival 2025 - Chess WomenAug 13, 2025 – Aug 17, 2025TPR 1918	4½/5	1918

The live rating moves only when new rated games are played. Until then it matches the published rating.

Event timeline · Classical

50 of 82 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.

National Sports Festival 2025 - Chess Women1918
Aug 2025Teamfederation source
Best of 2025Score 4½/5Opp avg 1582Start 1570
Kolonnawa Chess Classics 2025—(2)
Mar 2025Swissfederation source
Score 2½/7Opp avg 1453Start 1589
Colombo International Chess Festival 20241630
Sep 2024Swissfederation source
Best of 2024Score 7/10Opp avg 1580Start 1584
National Sports Festival 2024 - Chess Women1421
Jun 2024Teamfederation source
#4 in 2024Score 5/7Opp avg 1546Start 1606
Sri Lanka Open International Rating Chess Championship 20241452
Jun 2024Swissfederation source
#3 in 2024Score 5/8Opp avg 1452Start 1606
Sri Lanka Women's National Premier Division Chess Championships 20241622
Mar 2024Swissfederation source
#2 in 2024Score 6/11Opp avg 1622Start 1602
Sri Lanka Women's National Major Division Chess Championships 2024 - Western Province1218
Feb 2024Swissfederation source
#6 in 2024Score 5½/8Opp avg 1161Start 1356
Kolonnawa Chess Classics 2023-241380
Jan 2024Swissfederation source
#5 in 2024Score 8/10Opp avg 1187Start 1350
Sri Lanka National Amateur Women Chess Championship 2023—(2)
Aug 2023Swissfederation source
Score 4½/7Opp avg 1060Start 1375
Sri Lanka Open Chess Championship 20231462
Jun – Jul 2023Swissfederation source
Best of 2023Score 6/9Opp avg 1462Start 1324
47th National Sports Festival Team Chess Championship 2023 - Women1932
Jun 2023Teamfederation source
Score 8/8Opp avg 1132Start 1324
Colombo International Chess Festival 20231405
May 2023Swissfederation source
#3 in 2023Score 5½/9Opp avg 1362Start 1332
Sri Lanka Women's National Chess Championship 20231256
Mar – Apr 2023Round robinfederation source
#4 in 2023Score 2½/13Opp avg 1507Start 1313
Sri Lanka Wome's National Chess Championship 2023 - Premier Division1415
Mar 2023Swissfederation source
#2 in 2023Score 7/11Opp avg 1372Start 1313
Sri Lanka Women's National Major Division Chess Championship 2023 Western—(2)
Feb 2023Swissfederation source
Score 6/8Opp avg 1087Start 1325
Sri Lanka Women's National Chess Championships Cycle 2022 Sri Lanka Women's National Chess Championships Cycle 2022 Stage 2 - Premier Div. (W National1490
Mar 2022Swissfederation source
Best of 2022Score 5½/10Opp avg 1490Start 1289
Sri Lanka Women's National Chess Championships Cycle 2022 Stage 1. Major Division - Western Province—(1)
Feb – Mar 2022Swissfederation source
Score 5/7Opp avg 1451Start 1289
Sri Lanka Women's National Chess Championship 20211297
Dec 2021Round robinfederation source
#2 in 2021Score 4½/13Opp avg 1407Start 1267
Sri Lanka Women's National B Chess Championship 20211329
Nov – Dec 2021Swissfederation source
Best of 2021Score 4½/9Opp avg 1329Start 1267
Sri Lanka Women's National B Chess Championship 20201334
Mar – Aug 2020Swissfederation source
Best of 2020Score 4/9Opp avg 1421Start 1240
Sri Lanka National (Major Division ) Women Chess Championship 2020 - Colombo Event1108
Feb 2020Swissfederation source
#2 in 2020Score 4½/7Opp avg 1381Start 1263
Battle of the Kings - All Island Schools Team Chess Championship 2020—(1)
Jan 2020Swissfederation source
Score 0/2Opp avg 1278Start 1302
Sri Lanka National Youth Chess Championship 2019 - Under 17 years Girls1317
Dec 2019Swissfederation source
#2 in 2019Score 3/7Opp avg 1442Start 1370
The Kolonnawa Chess Classic International Rating Tournament 20191159
Dec 2019Swissfederation source
#4 in 2019Score 5/8Opp avg 1109Start 1370
Asian Youth Chess Championship 2019 - Under 16 Girls1507
Apr 2019Swissfederation source
Best of 2019Score 5/9Opp avg 1464Start 1294

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