D R S Sadewda Piyathilaka

SRI · 15 yrs · K=40 · Peak 1625 (Mar 2026)

Best performance: 1552 at Negombo International Chess Festival 2024(Best of 2024)

NOV26 Rating

1622

Live Rating

1622.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Nov 2026	1622	0
Oct 2026	1622	0
Sep 2026	1622	0
Aug 2026	1622	0
Jul 2026	1622	0
Jun 2026	1622	0
May 2026	1622	0
Apr 2026	1622	-3
Mar 2026	1625	+2
Feb 2026	1623	-1
Jan 2026	1624	0
Dec 2025	1624	+1

Form · Classical

oldest → latest

Unbeaten in the last 5 games (5 wins), since Dec 28, 2024.

From 242 classical games on record, the latest on Dec 30, 2024.

Classical games since the November list

No rated standard games this rating periodsince the NOV26 list (Nov 1, 2026)

	Last played	Score	TPR
	National Youth Chess Championships 2024 - Finals Under 13 GirlsDec 27, 2024 – Dec 30, 2024	6/8	—

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

Event timeline · Classical

27 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.

Performance rating by year

Year	Games	Score	Avg opp	TPR
2024	15	8	1401	1422
2023	19	6½	1071	954
2022	9	2½	1086	920
2019	19	1	1150	680
2018	15	1	1084	662
2017	3	0	1095	295

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

National Youth Chess Championships 2024 - Finals Under 13 Girls—(2)
Dec 2024Swissfederation source
Score 6/8Opp avg 1520Start 1592
Negombo International Chess Festival 20241552
Aug 2024Swissfederation source
Best of 2024Score 6/10Opp avg 1480
Sri Lanka Women's National Major Division Chess Championships 2024 - Sabaragamuwa262
Feb 2024Swissfederation source
Score 4/7Opp avg 1062
Ehugalpura International Open Chess Championship 2023915
Dec 2023Swissfederation source
#2 in 2023Score 5½/10Opp avg 1064
Kandy Open International Rating Chess Championships 2023849
Sep – Oct 2023Swissfederation source
#3 in 2023Score 5/11Opp avg 1079
Sri Lanka Junior National Girls Chess Championship 20231067
Aug 2023Swissfederation source
Best of 2023Score 5½/9Opp avg 1067
Kandy Open International Rating Chess Championships 2022965
Dec 2022Swissfederation source
Best of 2022Score 5/10Opp avg 1114
Negombo International Chess Festival 2022858
Oct 2022Swissfederation source
#2 in 2022Score 4½/9Opp avg 1051
Sri Lanka Women's National Amateur Chess Championship 2019504
Dec 2019Swissfederation source
Score 4/9Opp avg 1304
11th Ethugalpura International Chess Championship 2019240
Nov – Dec 2019Swissfederation source
Score 5/10Opp avg 1040
10th Buddhi International Rating Chess Championship 2019—(2)
Sep 2019Swissfederation source
Score 5½/10Opp avg 1099
Sri Lanka Girls National Chess Championship 2019—(2)
Aug – Sep 2019Swissfederation source
Score 1/7Opp avg 1140
9th Kandy Open International Chess Festival 2019874
Aug 2019Swissfederation source
Best of 2019Score 5/11Opp avg 1114
Asian Youth Chess Championship 2019 - Under 8 Girls—(1)
Apr 2019Swissfederation source
Score 3/9Opp avg 1065
Sri Lanka Women's National Qualifying Chess Championship 2019 - Kurunegala—(1)
Mar 2019Swissfederation source
Score 2/7Opp avg 1094
Ethugalpura International Rating Chess Championship 2018—(2)
Dec 2018Swissfederation source
Score 4/10Opp avg 1055
Buddhi Open International Rating Chess Tournament 2018—(2)
Sep 2018Swissfederation source
Score 4½/10Opp avg 1076
Kandy Open International Rating Chess Championship 2018—(2)
Aug 2018Swissfederation source
Score 5½/11Opp avg 1055
14th Asian Schools Chess Championship 2018 - Under 7 Girls998
Jul 2018Swissfederation source
Best of 2018Score 6/9Opp avg 1123
Sri Lanka National Amature Women's Chess Championship 2018—(2)
Jun 2018Swissfederation source
Score 4/8Opp avg 1083
World School Chess Championship 2018 - G7—(1)
Apr 2018Swissfederation source
Score 4/9Opp avg 1038
Sri Lanka National (Women's Qualifying) Chess Championship 2018 - Kurunegala Event—(1)
Feb 2018Swissfederation source
Score 3/7Opp avg 1076
Kaluthara International Chess Festival 2018—(2)
Jan 2018Swissfederation source
Score 2/7Opp avg 1122
9th Ethugalpura International Rating Chess Championship 2017—(0)
Dec 2017Swissfederation source
Score 3/8
3rd Kolonnawa International Rating Chess Championship 2017—(1)
Dec 2017Swissfederation source
Score 2/8Opp avg 1105

Live ratings projected from the NOV26 published list · Not affiliated with FIDE