Player record

Slawomir Bartosiewicz

ID 74906CTMaleInactive

Slawomir Bartosiewicz's USATT rating is 516.

USATT rating516
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Wins

28

Indexed tournament wins

Losses

33

Indexed tournament losses

Matches

61

Decisive results

Win rate

45.9%

Across indexed matches

Peak rating

522

Highest rating in the available history.

Biggest upset

Aaron Sipser

Quincy August Open · Aug 24, 2008 · +412 rating

Open →

Biggest loss

Claire Park

NYTT March Open · Mar 8, 2009 · -170 rating

Open →

Most frequent opponent

William Morales

3 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

12 tournament appearances · synced Aug 26, 2026, 2:29 AM

DateTournamentRating inRating afterPoints changedRecord
Sep 6, 20092009 SpinmaniaTournament · View matches503516+13+21 / -83W / 2L
May 24, 20092009 SpinathonTournament · View matches514503-114W / 2L
Mar 8, 2009NYTT March OpenTournament · View matches483514+31+41 / -106W / 2L
Aug 31, 2008SpinmaniaTournament · View matches522483-392W / 2L
Aug 24, 2008Quincy August OpenTournament · View matches414522+1082W / 3L
May 25, 2008SpinathonTournament · View matches431414-17+3 / -203W / 1L
Mar 30, 2008Rhode Island Spring TT OpenTournament · View matches383431+48+50 / -21W / 6L
Mar 2, 2008New Hampshire RR OpenTournament · View matches148383+2354W / 1L
Dec 16, 2007Baystate Giant RRTournament · View matches102148+463W / 4L
Nov 11, 20077th FIT TT ChampionshipsTournament · View matches1021020+0 / 00W / 3L
Oct 7, 20072007 Nashua TTC OpenTournament · View matches1021020+0 / 00W / 2L
Sep 2, 20072007 SpinmaniaTournament · View matchesUnrated102—0W / 5L