USCF player statistics

Shammo, Ahnaf Rahman

USCF 16499536New YorkUpdated: Nov 2026

US Chess membership expired on May 31, 2026. Published rating history is still shown below.

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Rating format

Regular rating

1,7890 since Oct 2026

Published rating · Nov 2026 · 12 published updates since Dec 2025

Nov 20261,789 Regular
Dec 2025: 1777Jan 2026: 1777Feb 2026: 1793Mar 2026: 1793Apr 2026: 1789May 2026: 1789Jun 2026: 1789Jul 2026: 1789Aug 2026: 1789Sep 2026: 1789Oct 2026: 1789Nov 2026: 1789
Dec 2025Nov 2026
12 updates in this window · +12 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -79 Quick vs Regular

    No national baseline for this rating band yet.

  • -374 Online Regular vs Regular (provisional)

    No national baseline for this rating band yet.

  • -480 Online Quick vs Regular (provisional)

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+16
Jan 2026 to Feb 2026
Biggest drop
-4
Mar 2026 to Apr 2026
Longest rise
1 update
+16 from Jan 2026 to Feb 2026
Current run
7 updates
Unchanged since Apr 2026
Typical move
±2
Mean absolute change; spread ±5.1

Published ratings by month

P marks a provisional rating; the small figure is the change since the previous published observation.

Monthly USCF ratings for Shammo, Ahnaf Rahman
MonthRegularQuickOnline RegularOnline Quick
Nov 20261,789no change1,710no change1,415 Pno change · 19 games1,309 Pno change · 22 games
Oct 20261,789no change1,710no change1,415 Pno change · 19 games1,309 Pno change · 22 games
Sep 20261,789no change1,710no change1,415 Pno change · 19 games1,309 Pno change · 22 games
Aug 20261,789no change1,710no change1,415 Pno change · 19 games1,309 Pno change · 22 games
Jul 20261,789no change1,710no change1,415 Pno change · 19 games1,309 Pno change · 22 games
Jun 20261,789no change1,710no change1,415 Pno change · 19 games1,309 Pno change · 22 games
May 20261,789no change1,710no change1,415 Pno change · 19 games1,309 Pno change · 22 games
Apr 20261,789-41,710no change1,415 Pno change · 19 games1,309 Pno change · 22 games
Mar 20261,793no change1,710no change1,415 Pno change · 19 games1,309 Pno change · 22 games
Feb 20261,793+161,710+201,415 Pno change · 19 games1,309 Pno change · 22 games
Jan 20261,777no change1,690no change1,415 Pno change · 19 games1,309 Pno change · 22 games
Dec 20251,7771,6901,415 P19 games1,309 P22 games
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About these statistics. Built from the monthly USCF rating updates available to Chess67. Ratings change between publications, and a missing month is not inactivity. The official US Chess record has current ratings and tournament history.