Player record

Hedayatian, Qiumars

ID 53347MAMaleInactive
Current rating2,429
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Wins

145

Indexed tournament wins

Losses

14

Indexed tournament losses

Matches

159

Decisive results

Win rate

91.2%

Across indexed matches

Peak rating

2,435

Highest rating in the available history.

Biggest upset

Barry Dattel

Hall of Fame · May 1, 1994 · +82 rating

Open →

Biggest loss

Razvan Cretu

1994 Kelly's Sporting Goods Op · Apr 17, 1994 · -68 rating

Open →

Most frequent opponent

Donald Hayes

8 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

32 tournament appearances · synced Aug 9, 2026, 2:14 AM

DateTournamentRating inRating afterPoints changedRecord
Mar 17, 2002Boston TTC March OpenTournament · View matches2,4342,429-5+0 / -53W / 1L
Feb 17, 2002Boston TTC February OpenTournament · View matches2,4342,4340+0 / 04W / 0L
Dec 9, 2001Boston TTC December OpenTournament · View matches2,4332,434+1+1 / 03W / 0L
Sep 2, 2001Boston TTC Labor Day OpenTournament · View matches2,4302,433+3+3 / 03W / 0L
Apr 14, 2001MIT Millennium +1 Spring FlingTournament · View matches2,4302,4300+0 / 04W / 0L
Jan 11, 19981998 New Hampshire RR OpenTournament · View matches2,4302,4300+0 / 07W / 0L
Jun 1, 1997Waltham May Open RRTournament · View matches2,4292,430+1+1 / 06W / 0L
Mar 30, 1997Waltham March OpenTournament · View matches2,4292,4290+0 / 07W / 0L
Dec 1, 1996U.S. Open Team ChampionshipsTournament · View matches2,4352,429-65W / 3L
May 26, 1996Waltham May Open RRTournament · View matches2,4232,435+122W / 0L
Feb 18, 1996Waltham Feb RRTournament · View matches2,4232,4230+0 / 06W / 0L
Jan 28, 1996Waltham January Open RRTournament · View matches2,4232,4230+0 / 01W / 0L
Oct 8, 1995Waltham Oct. Open RRTournament · View matches2,4232,4230+0 / 07W / 0L
Aug 6, 1995Waltham August RRTournament · View matches2,4182,423+5+5 / 02W / 0L
Jun 11, 1995Waltham June RRTournament · View matches2,4062,418+127W / 0L
May 14, 1995Waltham May RRTournament · View matches2,3942,406+12+12 / 02W / 0L
May 7, 19951995 Tri-State OpenTournament · View matches2,3942,3940+0 / 04W / 0L
Apr 2, 1995Waltham April RRTournament · View matches2,3912,394+3+3 / 07W / 0L
Mar 5, 1995Waltham March RRTournament · View matches2,3912,3910+0 / 06W / 0L
Dec 3, 1994Waltham Double-Elimination ChaTournament · View matches2,3912,3910+0 / 05W / 0L