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Oleksandr Bortnyk's openings
Chess.com· GM· Rank 44· 🇺🇸·
Oleksandr Bortnyk's most played openings in 300 recent Chess.com bullet games: Rapport-Jobava System as White (30 games, 77% score); Alekhine Defense as Black (61 games, 77% score).
You vs Oleksandr Bortnyk: which openings to play
oleksandr_bortnykChess.com
Key findings
As White
Where Oleksandr Bortnyk scores below ratings
Where Oleksandr Bortnyk scores best
As Black
Where Oleksandr Bortnyk scores below ratings
Games
300
Bullet
Score
74%
win = 1, draw = ½
As White
150
74% score
As Black
150
73% score
Rating
3271
Bullet
As White
Score counts a win as 1 and a draw as ½.
OpeningGamesScoreW / D / LAvg oppPerf
30
77%
23/0/7
2878
3091
28
80%
21/3/4
3071
3313
13
77%
10/0/3
2933
3148
12
58%
6/2/4
3105
3171
10
30%
3/0/7
3184
3024
8
100%
8/0/0
2591
2991
5
80%
4/0/1
2733
2973
As Black
Score counts a win as 1 and a draw as ½.
OpeningGamesScoreW / D / LAvg oppPerf
61
77%
47/0/14
2903
3119
15
47%
6/2/7
3117
3090
14
82%
11/1/2
2895
3152
12
79%
9/1/2
2900
3133
8
50%
4/0/4
3097
3097
7
64%
4/1/2
3194
3308
7
71%
5/0/2
2994
3165
4
75%
3/0/1
3015
3215
How these numbers work
- Score: a win counts 1 and a draw ½, divided by the games played in that opening.
- Expected score (“ratings predict”): what the Elo formula predicts from both players' ratings in those games. A score more than 5 percentage points above it is green, more than 5 below is red, anything in between is on par.
- Performance (Perf): the average opponent rating + 800 × (score − 50%), a simple linear estimate; the average opponent is shown beside it.
- Sample size: key findings use openings with 5 or more games. How much to trust this score: fewer than 10 games is a small sample and only a hint, 10 to 29 is a medium sample, 30 or more is a solid sample.
- Games: finished Chess.com games, up to 150 as White and 150 as Black, grouped by opening and time control.
Data: Chess.com public API. Oleksandr Bortnyk on Chess.com
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