Yuliia Osmak
TitleInternational MasterFederationUkraineBorn1998FIDE ID14101602
Classical2418
Rapid2381
Blitz2346
Games2,983
W · D · LWon · Drawn · Lost48 / 17 / 35
Peak2478Aug 2025
Rating history
2250
2350
2450
Peak2478
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2418Rapid2381Blitz2346no games played
Accuracy by phase
95.8%Opening92.0%Middlegame94.2%Endgame
Clutch factor
Insufficient dataPlay style
Elite accuracy: 91.3% average
Very consistent (85%)
Very precise: only 0.2 blunders/game
Dominates 1.b4 as 
(68% in 170 games)
(68% in 170 games)Recent games
Kosteniuk, Alexandra(2496)
French Team Championship Top 12 ... · 28 Jun 2026
Batsiashvili, Nino(2464)
French Team Championship Top 12 ... · 27 Jun 2026
Kobak, Polina(1986)
26th European Individual Women's... · 3 Jun 2026
Rapport, Jovana(2235)
26th European Individual Women's... · 2 Jun 2026
Khurtsilava, Inga(2175)
26th European Individual Women's... · 1 Jun 2026
Play against Osmak's Twin
Their real openings, level & style
Practice against a bot that uses their real openings and playing style
Based on 2,983 games
Openings
1,504 games as White · scores 60.9%Weaknesses
where they slip as ♔ WhiteEnglish: Four Knights1.c4 e5 2.♞c3 ♞f6only 8 games, last played 10 months ago62.5%losses
French: Exchange1.e4 e6 2.d4 d5 3.exd526 games, last played last year46.2%losses
Strengths
what holds up for them as ♔ WhiteModern Defense1.e4 g6 2.d4 ♝g710 games, last played last year90.0%wins
1.b4 d5 2.♝b2 ♞f61.b4 d5 2.♝b2 ♞f617 games, last played 10 months ago70.6%wins
By family
open a family to see its linesPROTime controls · Years · Events
2,983 games in scope
LineECOGamesLast playedWins · draws · lossesScorevs 60.9%
A00–A043134m
59%1229%
65.0%+4.1 ptsB20–B502336m
55%1431%
61.4%—A45–E111299m
49%22%29%
60.1%—A10–A301245m
44%1937%
53.6%−7.3 ptsA40–D0210110m
50%25%25%
62.9%—C23–C46794m
49%1437%
56.3%−4.6 ptsB10–B15765m
50%1733%
58.6%—D31–D37725m
43%28%29%
56.9%−4.0 ptsMistakes
Problematic pieces
Insufficient data
Critical moment
Insufficient data
Error heatmap · Critical squaresError heatmap
Insufficient data
Critical blunders
Tactical errors analyzed with StockfishCouldn't load this.
Endgame statistics
PROAnalyzing...
Repertoire
PROTime controls · Years · Events
2,983 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Explore the repertoireevery move played, ranked by frequency
1,504 games53%W17%D30%L
1,504games in this linewon 53%, drew 17%, lost 30%
Move
1. e4
5954m54%1432%
61%1. d4
4725m49%22%29%
61%1. b4
17010m64%828%
68%1. c4
1245m44%19%37%
54%1. ♞f3
704m51%21%28%
62%1. b3
481y58%1329%
65%1. ♞c3
116y36%27%37%
50%1. g3
103y70%030%
70%1. f4
46y25%25%50%
38%