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Kostak, Tetyana

WFM🇩🇪

FIDEFIDE 14101041· Female· Germany· Born in 1971

Follow Tetyana KostakTrack her monthly FIDE ratings, games, tournaments and more.

Tetyana Kostak, a 55-year-old German Woman FIDE Master, is rated 2012. She has slipped back 68 Elo over the past 12 months. 63 rated games in the past year (≈11/year long-term). Recent standard appearances include 36. Staufer Open A, 41. Internationales Boeblinger Open A, and 19. Int. Deizisauer Herbstopen 2025 A. Also played 1 rapid event (including Deutsche Schnellschach-Einzelmeisterschaft der Frauen 2025) recently. She had 6 career breaks: 29 months (2001–2004), 23 months (2005–2007), 18 months (2008–2010), 15 months (2011–2012), 43 months (2013–2017) and 61 months (2017–2022, COVID-19 included). Her peak of 2170 was reached at age 41 (Sep 2012).

Competes for Germany since Jun 2023. Awarded WFM in 2007 (age 36).

Current rating

2012

Standard

Rpd2064·Blz1998

All-time high

2170

−158 pts below
Sep 2012 · age 41

Activity

42

games / yr avg. · ≈4/mo

54 past 12 mo · ≈5/mo
classical only
Active

Signature stat

#25,678

#25,678 · players worldwide · of 218,279

Career timeline

19 entries
2026
Re-crossed 2000
at age 55
Jun 2026
2025
Re-crossed 2100
at age 54
Jul 2025
2024
Re-crossed 2100
at age 53
Sep 2024
2023
Switched federation: UKR → GER
at age 52
Jun 2023
2017
Inactive for 61 months
paused at 2102 → returned at 2107
May 2017
2013
Inactive for 43 months
paused at 2149 → returned at 2102
Sep 2013

Standard rating history

Peak
FIDE title
Threshold
First rated
Inactive period
COVID-19

Activity & highlights

Best result
15. Oeffinger Schachopen
perf 2088 (+76) · 5/7 · #7
Top opponent
vs Cedric ChassardFM 2,281
41. Internationales Boeblinger Open A · Dec 2025 · +16.8 Elo
Evolution
-94
2106 → 2012
Tournaments
5
41 games
Score
20.5/ 4150.0%
19W3D19L
Top 3 wins
1.[W]vsCedric ChassardFM2,281·41. Internationales Boeblinger Open A·R2·+16.8
2.[W]vsLukas Forster2,118·15. Oeffinger Schachopen·R6·+13.0
3.[W]vsBorui Fang1,940·36. Staufer Open A·R3·+8.5
Top 3 losses
1.[L]vsFynn Erkelenz1,821·19. Int. Deizisauer Herbstopen 2025 A·R2·-15.2
2.[L]vsLennart Kittel1,833·19. Int. Deizisauer Herbstopen 2025 A·R7·-14.9
3.[L]vsJoshua Li1,817·36. Staufer Open A·R7·-14.7

Last 12 months — tournaments

5 events
EventDateScoreRankPerfΔ Elo
15. Oeffinger Schachopen
Open Swiss
May 20265/7#72088+19.2
36. Staufer Open A
Open Swiss
Jan 20264/8#2472010-23.2
41. Internationales Boeblinger Open A
Open Swiss
Dec 20254/9#592016-5.0
19. Int. Deizisauer Herbstopen 2025 A
Open Swiss
Oct 20253/7#741789-50.8
Internationale Offene Deutsche Frauen-Einzelmeisterschaft 2025 (IODFEM)
Swiss
Aug 20254.5/9#101890-34.2
Worst Elo result: 19. Int. Deizisauer Herbstopen 2025 A (-50.8 Elo, finished #74).

Most-Played Opponents

vsKateryna DolzhykovaWGM
🇩🇪GER·2280
+1 −6 =0
7 games·last met May 2025
View head-to-head →
vsAndrey Makhno
🇺🇦UKR·2393
+0 −6 =0
6 games·last met Apr 2016
View head-to-head →
vsBoris TaborovFM
🇺🇦UKR·2313
+1 −3 =1
5 games·last met Apr 2018
View head-to-head →
vsRuslan KurayanIM
🇺🇦UKR·2338
+1 −3 =1
5 games·last met Mar 2018
View head-to-head →
vsIvan SidletskyiFM
🇺🇦UKR·2330
+5 −0 =0
5 games·last met Apr 2017
View head-to-head →

Rankings

/
Germany
#2,998
out of 15,549 players
Europe
#18,965
in continent
World
#25,678
out of 400,000+

National ranking

Europe & World

Europe
World
Germany
1
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
2
🇩🇪Bluebaum, MatthiasFollow Matthias BluebaumTrack their monthly FIDE ratings, games, tournaments and more.
2,694
3
🇩🇪Svane, FrederikFollow Frederik SvaneTrack their monthly FIDE ratings, games, tournaments and more.
2,657
4
🇩🇪Donchenko, AlexanderFollow Alexander DonchenkoTrack their monthly FIDE ratings, games, tournaments and more.
2,640
5
🇩🇪Kollars, DmitrijFollow Dmitrij KollarsTrack their monthly FIDE ratings, games, tournaments and more.
2,634
6
🇩🇪Svane, RasmusFollow Rasmus SvaneTrack their monthly FIDE ratings, games, tournaments and more.
2,620
7
🇩🇪Doettling, FabianFollow Fabian DoettlingTrack their monthly FIDE ratings, games, tournaments and more.
2,593
8
🇩🇪Wagner, DennisFollow Dennis WagnerTrack their monthly FIDE ratings, games, tournaments and more.
2,591
9
🇩🇪Engel, LuisFollow Luis EngelTrack their monthly FIDE ratings, games, tournaments and more.
2,588
10
🇩🇪Braun, ArikFollow Arik BraunTrack their monthly FIDE ratings, games, tournaments and more.
2,587
...
2998🇩🇪Kostak, Tetyana2,012
Europe
1
🇳🇴Carlsen, MagnusFollow Magnus CarlsenTrack their monthly FIDE ratings, games, tournaments and more.
2,841
2
🇩🇪Keymer, VincentFollow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more.
2,767
3
🇳🇱Giri, AnishFollow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more.
2,764
4
🇫🇷Firouzja, AlirezaFollow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more.
2,744
5
🇵🇱Duda, Jan-KrzysztofFollow Jan-Krzysztof DudaTrack their monthly FIDE ratings, games, tournaments and more.
2,739
6
🇭🇺Rapport, RichardFollow Richard RapportTrack their monthly FIDE ratings, games, tournaments and more.
2,729
7
🇳🇱Van Foreest, JordenFollow Jorden Van ForeestTrack their monthly FIDE ratings, games, tournaments and more.
2,728
8
🇫🇷Vachier-Lagrave, MaximeFollow Maxime Vachier-LagraveTrack their monthly FIDE ratings, games, tournaments and more.
2,721
9
🇦🇿Mamedyarov, ShakhriyarFollow Shakhriyar MamedyarovTrack their monthly FIDE ratings, games, tournaments and more.
2,717
10
🇹🇷Erdogmus, Yagiz KaanFollow Yagiz Kaan ErdogmusTrack their monthly FIDE ratings, games, tournaments and more.
2,713
...
18965🇩🇪Kostak, Tetyana2,012
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
...
25678🇩🇪Kostak, Tetyana2,012