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Biman Koswattage

SRI · 12 yrs · K=40 · Peak 1954 (Jun 2026)

Best performance: 1984 at Sri Lanka National Blitz Chess Championship 2025(Best of 2025)

World #=25625 live, down 176#25,449 publishedSri Lanka #=59#4 U12 in Sri Lanka

NOV26 Rating

1888

Live Rating

1888.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Blitz

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Official blitz rating by month
ListRatingChange
Nov 20261888-59
Oct 20261947-1
Sep 20261948-6
Aug 202619540
Jul 202619540
Jun 20261954+21
May 202619330
Apr 20261933+1
Mar 20261932-8
Feb 20261940+1
Jan 20261939-5
Dec 20251944+19

Form · Blitz

oldest → latest

Longest unbeaten run in 2026: 7 games, May 20 – Aug 2.

From 295 blitz games on record, the latest on Sep 26.

Blitz games since the November list

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

Last playedScore
National Team Blitz Chess Championship 2026 (Open Category)Sep 26TPR 17562½/6

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

Event timeline · Blitz

4 of 35 events · All years

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 month

2026: 1867 over 30 rated games

MonthGamesScoreAvg oppTPR
Sep62½18131756
Aug86½16061857
May7518061964
Feb9716851905

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

Rated near Biman Koswattage · Blitz

World

  1. #=25625Lucas Chaignet1888.0
  2. #=25625S D Nadev Insara1888.0
  3. #=25625Biman Koswattage1888.0
  4. #=25625Stepan Urbanek1888.0
  5. #=25625Roi Cabanas Rodriguez1888.0

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