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Christopher Coski

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USA · 58 yrs · K=40 · Peak 1713 (Sep 2025)

Best performance: 1750 at 2025 U.S. Senior Open Championship(Best of 2025)

OCT26 Rating

1713

Live Rating

1713.0

Change

0.0

Games Played

0

How live ratings are calculated

Rating History · Classical

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Official classical rating by month
ListRatingChange
Oct 202617130
Sep 202617130
Aug 202617130
Jul 202617130
Jun 202617130
May 202617130
Apr 202617130
Mar 202617130
Feb 202617130
Jan 202617130
Dec 202517130
Nov 202517130

Classical games since the October list

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

Last playedScore
2025 U.S. Senior Open ChampionshipJul 25, 2025 – Jul 27, 2025TPR 17502½/6

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

Event timeline · Classical

4 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.

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