Player record

Kaczmarek, Marcin

ID 74440ILMaleInactive
Current rating1,435
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Wins

10

Indexed tournament wins

Losses

8

Indexed tournament losses

Matches

18

Decisive results

Win rate

55.6%

Across indexed matches

Peak rating

1,457

Highest rating in the available history.

Biggest upset

Kim, Daniel

Summer Open · Jun 23, 2007 · +30 rating

Open →

Biggest loss

Goyal, Vinay

Summer Open · Jun 23, 2007 · -110 rating

Open →

Most frequent opponent

Aleksey Pelekh

1 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

3 tournament appearances · synced Aug 8, 2026, 2:18 AM

DateTournamentRating inRating afterPoints changedRecord
Nov 10, 2007Schaumburg November OpenTournament · View matches1,4391,435-4+1 / -52W / 1L
Jun 23, 2007Summer OpenTournament · View matches1,4571,439-18+21 / -393W / 4L
May 5, 2007Schaunburg Spring OpenTournament · View matches · Initial rating 1,457Unrated1,457+5+16 / -115W / 3L