Steven Zierk vs Olexandr Bortnyk
GM Steven Zierk (2487) · GM Olexandr Bortnyk (2604)
Steven Zierk and Olexandr Bortnyk have played 12 recorded games against each other, the first in Jul 2020 and the most recent in Aug 2026. Zierk leads 4 wins to 6 - trailing overall, with 2 draws (83% of the games were decisive). Their most common battleground is the Alekhine Defense (5 games). The average game between them lasted 46 moves.
Results by color
| Split | Games | Zierk | Draws | Bortnyk |
|---|---|---|---|---|
| Zierk with White | 10 | 4 | 1 | 5 |
| Bortnyk with White | 2 | 0 | 1 | 1 |
Results by time format
| Format | Games | Zierk | Draws | Bortnyk |
|---|---|---|---|---|
| Blitz | 11 | 4 | 1 | 6 |
| Rapid | 1 | 0 | 1 | 0 |
Openings in their games
| ECO | Opening | Games | Zierk | Draws | Bortnyk |
|---|---|---|---|---|---|
| B04 | Alekhine Defense | 5 | 1 | 1 | 3 |
| B03 | Alekhine Defense | 4 | 2 | 0 | 2 |
| B22 | Sicilian: Alapin | 1 | 0 | 1 | 0 |
| B38 | Sicilian | 1 | 1 | 0 | 0 |
| C01 | French: Winawer Variation | 1 | 0 | 0 | 1 |
All games
| Date | White | Black | Result | Opening | Event |
|---|---|---|---|---|---|
| Aug 2026 | Steven Zierk | Olexandr Bortnyk | 0-1 | Alekhine Defense | Titled Tue 25th Aug 2026 |
| Aug 2026 | Steven Zierk | Olexandr Bortnyk | 0-1 | Alekhine Defense | 1st 3-0 Thu 20th Aug 2026 |
| Jul 2026 | Olexandr Bortnyk | Steven Zierk | 1/2-1/2 | Sicilian: Alapin | Naroditsky Mem Rapid 2026 |
| Jun 2026 | Steven Zierk | Olexandr Bortnyk | 1-0 | Alekhine Defense | 3rd 3-0 Thu 25th Jun 2026 |
| Jul 2025 | Steven Zierk | Olexandr Bortnyk | 1-0 | Alekhine Defense | Titled Tue Late |
| Sep 2023 | Steven Zierk | Olexandr Bortnyk | 1-0 | Alekhine Defense | Titled Tue Late |
| Aug 2023 | Steven Zierk | Olexandr Bortnyk | 1/2-1/2 | Alekhine Defense | Titled Tue Late |
| Feb 2022 | Steven Zierk | Olexandr Bortnyk | 0-1 | Alekhine Defense | Titled Tue Late |
| Jun 2021 | Olexandr Bortnyk | Steven Zierk | 1-0 | French: Winawer Variation | Titled Tue |
| Jan 2021 | Steven Zierk | Olexandr Bortnyk | 0-1 | Alekhine Defense | Titled Tue |
| Nov 2020 | Steven Zierk | Olexandr Bortnyk | 1-0 | Sicilian | Titled Tue |
| Jul 2020 | Steven Zierk | Olexandr Bortnyk | 0-1 | Alekhine Defense | Titled Tue |
Interactive board, all 12 games, opening explorer and engine analysis.
Browse the gamesFrequently asked questions
What is the head-to-head score between Steven Zierk and Olexandr Bortnyk?
In 12 recorded games, Steven Zierk has 4 wins, Olexandr Bortnyk has 6 wins, and they have drawn 2 times.
How many times have Steven Zierk and Olexandr Bortnyk played each other?
Our database records 12 games between them, from Jul 2020 to Aug 2026.
What openings do Steven Zierk and Olexandr Bortnyk play against each other?
The most common opening in their games is the Alekhine Defense (5 games), followed by the Alekhine Defense (4). The full opening breakdown and every game are on this page.