Player record

Rob Koehler

ID 18323NMMaleInactive
Current rating1,601
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Wins

207

Indexed tournament wins

Losses

311

Indexed tournament losses

Matches

518

Decisive results

Win rate

40.0%

Across indexed matches

Peak rating

1,622

Highest rating in the available history.

Biggest upset

Dawson, Steve

Davison September Open · Sep 29, 2001 · +526 rating

Open →

Biggest loss

Joshi, Vishal

2007 Michigan Closed · Apr 1, 2007 · -590 rating

Open →

Most frequent opponent

Witt, David

11 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

54 tournament appearances · synced Aug 8, 2026, 3:34 AM

DateTournamentRating inRating afterPoints changedRecord
Dec 23, 2000December Davison OpenTournament · View matches863857-61W / 6L
Nov 18, 2000November OpenTournament · View matches877863-142W / 7L
Oct 28, 2000Davison October OpenTournament · View matches960877-833W / 9L
Sep 30, 2000Davison September OpenTournament · View matches744960+2165W / 5L
Aug 26, 2000August OpenTournament · View matches786744-422W / 10L
May 20, 2000Davison May OpenTournament · View matches675786+1114W / 6L
Apr 29, 2000Davison April OpenTournament · View matches671675+41W / 5L
Mar 25, 2000Davison March OpenTournament · View matches683671-122W / 6L
Feb 26, 2000Davison Athletic Club OpenTournament · View matches703683-200W / 5L
Jan 29, 2000Davison January OpenTournament · View matches589703+1143W / 9L
Dec 18, 1999Davison December OpenTournament · View matches584589+51W / 5L
Feb 27, 1999Davison February OpenTournament · View matches555584+29+56 / -272W / 8L
Jan 16, 1999Davison Jan OpenTournament · View matches549555+63W / 2L
Nov 14, 1998Davison November OpenTournament · View matches · Initial rating 549Unrated549—1W / 2L