USCF player statistics

Tkaczewski, Krystian

USCF 30706741ConnecticutUpdated: Oct 2026

US Chess membership expired on September 30, 2026. Published rating history is still shown below.

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Rating format

Regular rating

1,807-33 since Sep 2026

Published rating · Oct 2026 · 11 published updates since Dec 2025

Oct 20261,807 Regular
Dec 2025: 1848Jan 2026: 1848Feb 2026: 1858Mar 2026: 1916Apr 2026: 1879May 2026: 1879Jun 2026: 1870Jul 2026: 1840Aug 2026: 1840Sep 2026: 1840Oct 2026: 1807
Dec 2025Oct 2026
11 updates in this window · -41 first to last · open points are provisional · guides mark US Chess classes · unpublished months are skipped, not inactivity

Other formats against Regular

  • -35 Quick vs Regular

    No national baseline for this rating band yet.

  • -81 Blitz vs Regular

    No national baseline for this rating band yet.

  • -794 Online Regular vs Regular

    No national baseline for this rating band yet.

  • -688 Online Quick vs Regular (provisional)

    No national baseline for this rating band yet.

  • -240 Online Blitz vs Regular (provisional)

    No national baseline for this rating band yet.

How this rating moves

Between consecutive published observations, provisional included.

Biggest gain
+58
Feb 2026 to Mar 2026
Biggest drop
-37
Mar 2026 to Apr 2026
Longest rise
2 updates
+68 from Jan 2026 to Mar 2026
Updates that moved
6 of 10
Latest -33, Sep 2026 to Oct 2026
Typical move
±18
Mean absolute change; spread ±27.4

Published ratings by month

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

Monthly USCF ratings for Tkaczewski, Krystian
MonthRegularQuickBlitzOnline RegularOnline QuickOnline Blitz
Oct 20261,807-331,772no change1,726no change1,013no change1,119 Pno change · 20 games1,567 Pno change · 19 games
Sep 20261,840no change1,772no change1,726no change1,013no change1,119 Pno change · 20 games1,567 P-1 · 19 games
Aug 20261,840no change1,772no change1,726no change1,013no change1,119 Pno change · 20 games1,568 Pno change · 19 games
Jul 20261,840-301,772-191,726no change1,013no change1,119 Pno change · 20 games1,568 Pno change · 19 games
Jun 20261,870-91,791no change1,726no change1,013no change1,119 Pno change · 20 games1,568 Pno change · 19 games
May 20261,879no change1,791+461,726+951,013no change1,119 Pno change · 20 games1,568 Pno change · 19 games
Apr 20261,879-371,745+261,631no change1,013no change1,119 Pno change · 20 games1,568 Pno change · 19 games
Mar 20261,916+581,719no change1,631no change1,013no change1,119 Pno change · 20 games1,568 Pno change · 19 games
Feb 20261,858+101,719+251,631no change1,013no change1,119 Pno change · 20 games1,568 Pno change · 19 games
Jan 20261,848no change1,694+241,631no change1,013no change1,119 Pno change · 20 games1,568 Pno change · 19 games
Dec 20251,8481,6701,6311,0131,119 P20 games1,568 P19 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.