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Heidenfeld, Mark

Heidenfeld, Mark

IM🇮🇪

FIDEFIDE 2500990· Male· Ireland· Born in 1968

Mark Heidenfeld, a 58-year-old Irish player. currently rated 2296 in Standard, career peak of 2403 (Apr 2001). He took a 17-month break between Apr 2020 and Oct 2021.

Current rating

2296

Standard

Rpd2367·Blz2298

All-time high

2403

−107 pts below
Apr 2001 · age 33

Activity

7

games / yr avg. · ≈1/mo

8 past 12 mo · ≈1/mo
classical only
Occasional

Signature stat

#11

in Ireland · of 942
45 months in National top 5 (2001–2023)

Career timeline

10 entries
2023
45 months in national top 5
since Jan 2001
Nov 2023
2020
Inactive for 17 months
paused at 2360 → returned at 2372
Apr 2020
2001
Peak Irish rank: #3
at age 33 · rated 2403
Apr 2001
Best 12-month gain (+34 Elo)
2369 → 2403
Apr 2001
Crossed 2400
at age 33
Apr 2001
All-time peak 2403
at age 33 · −107 from today
Apr 2001

Recent Results (last 12 months)

Evolution
-26
2322 → 2296
Score
2.5/ 831.3%
1W3D4L

Standard rating history

Rankings

/
Ireland
#11
out of 1,233 players
Europe
#3,043
in continent
World
#4,227
out of 400,000+

National ranking

Europe & World

Europe
World
Ireland
Europe
World

FIDE Games Detail

Last scraped: 2026-04-17

Scrape games

10 Standard games (last 12 months)

2025-11STDDun Laoghaire Chess club 50th anniversary Championship of ChampionsElo 2296
OpponentEloRes.Δ Elo♟
mFitzsimons, DavidIRL22860-5.4♚
fDelaney, JohnIRL2137½-2.3♚
Keogh, EamonIRL—1+0.8♔
gBaburin, AlexanderIRL2365½+0.7♚
fRyan, JosephIRL2192½-1.7♔
fDaly, ColmIRL21480-7.2♚
fO`gorman, TomIRL23820-4.1♔
2025-10STDOberliga Wuerttemberg 2025-2026 September 2025Elo 2315
OpponentEloRes.Δ Elo♟
Tschlatscher, ThomasGER22140-6.5♚
2025-04STDBaden-Wuerttemberg-Liga 2024-2025 Maerz 2025Elo 2322
OpponentEloRes.Δ Elo♟
Juelg, GabrielGER2158½-2.2♚
Pfatteicher, LukasGER2240½-1.2♔