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Mike J O`mahoney

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ENG · 71 yrs · K=20 · Peak 1780 (Mar 2024, includes FIDE’s rating adjustment)

Best performance: 1923 at 8th CSC London Chess Classic: Weekend Under 1825(Best of 2016)

World #=235997England #=3496among all players, November list

Classical rating

1765

FIDE’s November 2026 list. No rated games since, so the live rating is the same.

On FIDE’s list since Jan 2016 · Inactive on FIDE’s list

How live ratings are calculated

Rating History · Classical

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Classical rating unchanged at 1765 over the last 12 months; peak 1780 in March 2024.

Official rating by month

Each month: the rating, its change from the list before, and the rated games FIDE counted.

ListClassicalRapid
Nov 20261765, 0, 0 games1763, 0, 0 games
Oct 20261765, 0, 0 games1763, 0, 0 games
Sep 20261765, 0, 0 games1763, 0, 0 games
Aug 20261765, 0, 0 games1763, 0, 0 games
Jul 20261765, 0, 0 games1763, 0, 0 games
Jun 20261765, 0, 0 games1763, 0, 0 games
May 20261765, 0, 0 games1763, 0, 0 games
Apr 20261765, 0, 0 games1763, 0, 0 games
Mar 20261765, 0, 0 games1763, 0, 0 games
Feb 20261765, 0, 0 games1763, 0, 0 games
Jan 20261765, 0, 0 games1763, 0, 0 games
Dec 20251765, 0, 0 games1763, 0, 0 games

Form · Classical

oldest → latest

From 53 classical games on record, the latest on Aug 10, 2025.

Classical games since the November list

No rated classical games this rating periodsince the NOV26 list (Nov 1, 2026)

Last playedScore
2025 British Championship: Over 65Aug 4, 2025 – Aug 10, 2025TPR 16852/7

The live rating moves only when new rated games are played. Until then it matches the published rating.

Best wins · Classical

From 44 rated classical games against rated opponents, 2015–2025

#OpponentRating
1, Robert P Taylor, Aug 2017 · 104th British Championships Under 1900, 1854
2, John Sargent, Dec 2016 · 8th CSC London Chess Classic: Weekend Under 1825, 1755
3, Colm OShea, Dec 2016 · 8th CSC London Chess Classic: Weekend Under 1825, 1738

Openings · Classical

From the moves of 45 of 53 classical games on record.

As WhiteOpens 1.d4 in 21 of 21 games.

As BlackMeets 1.d4 with 1...d5, and 1.e4 with 1...e6.

All openings (2 as White, 3 as Black)
Openings in White gamesGamesScore
Queen's Pawn Game1145%
Indian Defense675%

4 more games in openings played fewer than 3 times.

Event timeline · Classical

12 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Performance rating by year

YearGamesScoreAvg oppTPR
20256218101685
20234216311631
201715716411620
201614616811631
20155218181746

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

Rated near Mike J O`mahoney · Classical · November list, all players

World

  1. #=235997Ege Ozdemir1765
  2. #=235997Aaron O`kearney1765
  3. #=235997Mike J O`mahoney1765
  4. #=235997Eugenia Pakhomkina1765
  5. #=235997Pala Mahendra1765

England

  1. #=3496David Lawson1765
  2. #=3496Alan Hall1765
  3. #=3496Mike J O`mahoney1765
  4. #=3496Feroza Chowdhury1765
  5. #=3496Maximilian Wilton1765

Live rating: FIDE’s November list plus every rated game played since. Not affiliated with FIDE.