Player record

Pieter Cool

ID 34605TXMaleInactive

Pieter Cool's USATT rating is 1,829.

USATT rating1,829
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Wins

14

Indexed tournament wins

Losses

15

Indexed tournament losses

Matches

29

Decisive results

Win rate

48.3%

Across indexed matches

Peak rating

1,829

Highest rating in the available history.

Biggest upset

Karen Ma

2008 JOOLA American Teams Open · Nov 30, 2008 · +101 rating

Open →

Biggest loss

David Gong

2008 JOOLA American Teams Open · Nov 30, 2008 · -103 rating

Open →

Most frequent opponent

Bill Drissel

1 match

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

2 tournament appearances · synced Aug 26, 2026, 2:23 AM

DateTournamentRating inRating afterPoints changedRecord
Nov 30, 20082008 JOOLA American Teams OpenTournament · View matches1,7731,829+567W / 11L
Aug 27, 2005Austin Summer Round RobinTournament · View matches · Initial rating 1,773Unrated1,773—7W / 4L