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Dejmek, Mark

🇺🇸

FIDEFIDE 2017628· Male· United States of America· Born in 1967

Follow Mark DejmekTrack his monthly FIDE ratings, games, tournaments and more.

Mark Dejmek, a 59-year-old American player, is rated 1944. He plays occasionally (4 games in the last 12 months) and had 2 career breaks: 30 months (2020–2022, COVID-19 included) and 13 months (2024–2025). Recent appearance: 2025 Houston Open. His peak of 2185 was reached at age 39 (Jan 2006).

Current rating

1944

Standard

Rpd2065·Blz—

All-time high

2185

−241 pts below
Jan 2006 · age 39

Activity

11

games / yr avg. · ≈1/mo

4 past 12 mo
classical only
Moderately active

Signature stat

#37,892

#37,892 · players worldwide · of 218,279

Career timeline

18 entries
2024
Inactive for 13 months
paused at 1950 → returned at 1944
Oct 2024
2023
23rd American 55-60 player
at age 56 · rated 2042
Jan 2023
2022
29th American 50-55 player
at age 55 · rated 2038
Nov 2022
2020
Re-crossed 2000
at age 53
Mar 2020
Inactive for 30 months
paused at 2018 → returned at 2036
Mar 2020
2018
Re-crossed 2000
at age 51
Sep 2018

Standard rating history

Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19
FIDE recal.

Activity & highlights

Top opponent
vs Lincoln Samples 1,821
2025 Houston Open · Nov 2025 · +6.6 Elo
Evolution
-6
1950 → 1944
Tournaments
1
4 games
Score
2/ 450.0%
2W0D2L
Top 2 wins
1.[W]vsLincoln Samples1,821·2025 Houston Open·R1·+6.6
2.[W]vsNathan Zicheng Wang1,643·2025 Houston Open·R2·+3.0
Top 2 losses
1.[L]vsKai Zhou Lan1,806·2025 Houston Open·R4·-13.8
2.[L]vsMaili-Jade OuelletWGM2,314·2025 Houston Open·R3·-2.1

Last 12 months — tournaments

1 event
EventDateScoreRankPerfΔ Elo
2025 Houston Open
Open Swiss
Nov 20252/4#431896-6.4

Most-Played Opponents

vsEmily NguyenWIM
🇺🇸USA·2255
+0 −3 =5
8 games·last met Feb 2020
View head-to-head →
vsMichael LangerFM
🇺🇸USA·2122
+1 −5 =1
7 games·last met Oct 2016
View head-to-head →
vsFrancisco II Guadalupe
🇺🇸USA·2216
+0 −4 =2
6 games·last met May 2014
View head-to-head →
vsJeffrey A Reinberg
🇺🇸USA·1977
+0 −1 =4
5 games·last met Feb 2018
View head-to-head →
vsAlexander ChuaFM
🇺🇸USA·2308
+0 −5 =0
5 games·last met Jul 2015
View head-to-head →

Rankings

/
United States of America
#1,055
out of 5,510 players
Americas
#4,097
in continent
World
#37,891
out of 400,000+

National ranking

Europe & World

Europe
World
United States of America
1
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
1
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
4
🇺🇸Niemann, Hans MokeFollow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more.
2,742
5
🇺🇸Dominguez Perez, LeinierFollow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more.
2,732
6
🇺🇸Aronian, LevonFollow Levon AronianTrack their monthly FIDE ratings, games, tournaments and more.
2,724
7
🇺🇸Liang, AwonderFollow Awonder LiangTrack their monthly FIDE ratings, games, tournaments and more.
2,696
7
🇺🇸Sevian, SamuelFollow Samuel SevianTrack their monthly FIDE ratings, games, tournaments and more.
2,696
9
🇺🇸Xiong, JefferyFollow Jeffery XiongTrack their monthly FIDE ratings, games, tournaments and more.
2,656
10
🇺🇸Robson, RayFollow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more.
2,653
...
1055🇺🇸Dejmek, Mark1,944
Americas
1
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
1
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
3
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
4
🇺🇸Niemann, Hans MokeFollow Hans Moke NiemannTrack their monthly FIDE ratings, games, tournaments and more.
2,742
5
🇺🇸Dominguez Perez, LeinierFollow Leinier Dominguez PerezTrack their monthly FIDE ratings, games, tournaments and more.
2,732
6
🇺🇸Aronian, LevonFollow Levon AronianTrack their monthly FIDE ratings, games, tournaments and more.
2,724
7
🇺🇸Liang, AwonderFollow Awonder LiangTrack their monthly FIDE ratings, games, tournaments and more.
2,696
7
🇺🇸Sevian, SamuelFollow Samuel SevianTrack their monthly FIDE ratings, games, tournaments and more.
2,696
9
🇺🇸Xiong, JefferyFollow Jeffery XiongTrack their monthly FIDE ratings, games, tournaments and more.
2,656
10
🇺🇸Robson, RayFollow Ray RobsonTrack their monthly FIDE ratings, games, tournaments and more.
2,653
...
4097🇺🇸Dejmek, Mark1,944
World
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇺🇸Nakamura, HikaruFollow Hikaru NakamuraTrack their monthly FIDE ratings, games, tournaments and more.
2,792
2
🇺🇸Caruana, FabianoFollow Fabiano CaruanaTrack their monthly FIDE ratings, games, tournaments and more.
2,792
4
🇺🇿Abdusattorov, NodirbekFollow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
4
🇺🇿Sindarov, JavokhirFollow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more.
2,777
6
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
7
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
8
🇮🇳Erigaisi ArjunFollow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more.
2,761
9
🇺🇸So, WesleyFollow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more.
2,753
9
🇨🇳Wei, YiFollow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more.
2,753
...
37891🇺🇸Dejmek, Mark1,944