WFM
GermanyGER
ID: 14101041

Tetyana Kostak

FIDE ratings

1,993Classical
2,033Rapid
2,066Blitz

Performance

50 games
38% Win
12% Draw
50% Loss

Tetyana Kostak's playing style

Overall score:44%19W 6D 25L over 50 games
Best with 1.e4 as White:30%in 22 games
Strongest in classical:41%in 37 games
Out of form:25%3W 4D 13L in last 20 games

Openings as White

Among the openings shown, Sicilian Defense: French Variation has the largest White sample, with 5 games. Select a row to explore its moves and inspect example games below.

Sicilian Defense: French Variation
20%
80%
5g
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
100%
3g
Queen's Pawn Game: Colle System
100%
2g
Sicilian Defense: Delayed Alapin Variation, with d6
100%
2g
King's Knight Opening: Normal Variation
100%
2g

Openings as Black

Among the openings shown, Nimzo-Indian Defense: Normal Variation has the largest Black sample, with 2 games. These results describe the available sample, not a prediction of the player’s next choice.

Nimzo-Indian Defense: Normal Variation
100%
2g
Elephant Gambit: Paulsen Countergambit
100%
2g
Mexican Defense
100%
2g

Repertoire

29 games as white in scope
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Move arrowsfrequency, not engine evaluation

Starting position

29 games in this line · White to move

Results for Kostak, Tetyana as white · Wins / Draws / Losses

W / D / L
31%
17%
52%
Move
22 · 76%
27%
5%
68%
4 · 14%
50%
50%
3 · 10%
33%
67%

Game History

(50 games)
DateSourceColorOpponentResultLink
Jun 5, 2026
OTB - LichessBroadcast
Nguyen, Ha Thanh(1900)
D—
Jun 4, 2026
OTB - LichessBroadcast
Koehler, Inken(2015)
D—
Jun 4, 2026
OTB - LichessBroadcast
Arnhold, Steffi(2108)
L—
Jun 4, 2026
OTB - LichessBroadcast
Zhang, Fan
W—
May 23, 2025
OTB - TWIC
FMSchulze, Lara(2340)
L—
May 22, 2025
OTB - TWIC
WGMSafarli, Josefine(2321)
L—
May 22, 2025
OTB - LichessBroadcast
WGMSafarli, Josefine(2321)
L—
May 22, 2025
OTB - LichessBroadcast
WGMSafarli, Josefine(2321)
L—
May 21, 2025
OTB - TWIC
WGMSieber, Fiona(2232)
D—
May 21, 2025
OTB - LichessBroadcast
WGMSieber, Fiona(2232)
D—

Research Tetyana Kostak’s games and opening repertoire

WFM Tetyana Kostak is rated 1993 in standard, 2033 in rapid, 2066 in blitz by FIDE. Tetyana Kostak plays for Germany.

Tetyana Kostak has FIDE ID 14101041.

Check the official FIDE record for ratings and identity. It is not a complete archive of game moves.

Use the openings as White and Black to identify recurring choices in the available games. Follow a branch into the repertoire explorer and inspect example games in the game history. Dates, time controls and sources affect which patterns are relevant to your next match.

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