Prepare against Ostap Mertins
Estonia · World #136,249 classical · FIDE ID 4512421
When preparing against Ostap Mertins, expect 1.e4 in 88% of White games. Against 1.e4 the reply is 1...c5 (62% of games); against 1.d4, 1...e6 (60%).
Our database contains 38 games by Ostap Mertins, covering Jul 2017 to Jul 2026. Below you'll find Ostap Mertins's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ostap Mertins before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 1,630 | 1,817 | Aug 2024 |
| Rapid | 1,843 | 1,981 | Jun 2024 |
| Blitz | 2,012 | 2,012 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 38 | 12 | 3 | 23 | 31.6% |
| As White | 17 | 7 | 1 | 9 | 41.2% |
| As Black | 21 | 5 | 2 | 14 | 23.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ostap Mertins's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ostap Mertins's side.
First moves as White (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 15 | 88.2% | 43.3% |
| d4 | 1 | 5.9% | 100.0% |
| Nf3 | 1 | 5.9% | 0.0% |
Main lines as White
- 1.e4 — 88% of White games, 43.3% score
- …c5 (33% of these games) — Mertins usually continues Nf3 (40.0% score)
- …e6 (20% of these games) — Mertins usually continues d4 (50.0% score)
- …e5 (20% of these games) — Mertins usually continues Nf3 (50.0% score)
- 1.d4 — 6% of White games, 100.0% score
- …Nf6 (100% of these games) — Mertins usually continues Bf4 (100.0% score)
As Black against 1.e4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 8 | 61.5% | 25.0% |
| e6 | 5 | 38.5% | 50.0% |
As Black against 1.d4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 3 | 60.0% | 0.0% |
| Nf6 | 1 | 20.0% | 0.0% |
| d5 | 1 | 20.0% | 100.0% |
Ostap Mertins's chess games
All 38 games by Ostap Mertins in the Chess.ceo database (Jul 2017 - Jul 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 12 wins, 3 draws, 23 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B11 | Caro-Kann: Two Knights Variation | 2 | 1/0/1 | 50.0% |
| C01 | French: Exchange Variation | 2 | 1/0/1 | 50.0% |
| B01 | Scandinavian Defense: Main Line | 2 | 1/1/0 | 50.0% |
| C45 | Scotch Game | 2 | 1/0/1 | 50.0% |
| B53 | Sicilian | 2 | 0/0/2 | 0.0% |
| A14 | Réti Opening | 1 | 0/0/1 | 0.0% |
| B45 | Sicilian: Four Knights | 1 | 1/0/0 | 100.0% |
| B34 | Sicilian: Hyperaccelerated Dragon | 1 | 0/0/1 | 0.0% |
| C22 | Center Game | 1 | 0/0/1 | 0.0% |
| C10 | French Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B00 | French Defense | 5 | 2/1/2 | 40.0% |
| B94 | Sicilian: Najdorf | 5 | 2/0/3 | 40.0% |
| A46 | Indian Defense | 2 | 0/0/2 | 0.0% |
| A70 | Benoni Defense | 2 | 0/0/2 | 0.0% |
| A04 | Réti Opening | 1 | 0/0/1 | 0.0% |
| B53 | Sicilian | 1 | 0/0/1 | 0.0% |
| B23 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
| B21 | Sicilian: Smith-Morra Gambit | 1 | 0/0/1 | 0.0% |
| A03 | Bird's opening | 1 | 0/1/0 | 0.0% |
| E20 | English Opening | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Apr 2021 | Teimur Toktomushev | 1,967 | Nizami Ganjavi 880 years U17 | B45 |
| Aug 2019 | Kala Kishan Udipi | 1,745 | ch-EU U10 | D02 |
| Aug 2024 | Dmitriy Parshikov | 1,657 | St Petersburg Korchnoi Memorial Open | C01 |
| Aug 2024 | Mikhail Zavadin | 1,609 | St Petersburg Korchnoi Memorial Open | B90 |
| Aug 2024 | Yaroslav Mikh Ozerov | 1,598 | St Petersburg Korchnoi Memorial Open | B81 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Nizami Ganjavi 880 years U17 | 2021 | 9 | 2 | 1,520 |
| ch-EU U10 | 2019 | 9 | 3.5 | 1,446 |
| St Petersburg Korchnoi Memorial Open | 2024 | 8 | 4 | 1,758 |
| 4th Murmansk ChessMates | 2020 | 5 | 2 | 1,515 |
| 27th ch-EU U08 | 2017 | 4 | 2 | 1,097 |
| Wch U10 blitz | 2018 | 1 | 0 | 1,368 |
| 4th Parnu Keres Memorial Rapid Open | 2023 | 1 | 0 | 2,100 |
| Wch U10 rapid | 2018 | 1 | 0 | 1,743 |
Interactive opening tree from all 38 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ostap Mertins's chess games?
38 games by Ostap Mertins, from Jul 2017 to Jul 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Ostap Mertins has played.
What does Ostap Mertins play on the first move as White?
Across 17 games with White in our database, Ostap Mertins opens with 1.e4 (88% of games), 1.d4 (6% of games), 1.Nf3 (6% of games). Against 1.e4 as Black, Ostap Mertins answers 1...c5 (62% of games), 1...e6 (38% of games). Against 1.d4: 1...e6 (60% of games), 1...Nf6 (20% of games), 1...d5 (20% of games).
What openings does Ostap Mertins play as White?
As White, Ostap Mertins's most-played openings in our database are: Caro-Kann: Two Knights Variation (2 games, 50.0% win rate); French: Exchange Variation (2 games, 50.0% win rate); Scandinavian Defense: Main Line (2 games, 50.0% win rate). The full breakdown of 17 games with White is in the table above.
What openings does Ostap Mertins play as Black?
As Black, Ostap Mertins most often plays: French Defense (5 games, 40.0% win rate); Sicilian: Najdorf (5 games, 40.0% win rate); Indian Defense (2 games, 0.0% win rate). See the table above for the top ten Black openings across 21 games.
What is Ostap Mertins's FIDE rating?
Ostap Mertins is currently rated 1,630 in classical chess, 1,843 in rapid and 2,012 in blitz. Peak classical rating: 1,817 (Aug 2024).
How many games has Ostap Mertins played?
Our database contains 38 games by Ostap Mertins, covering Jul 2017 to Jul 2026. Overall record: 12 wins, 3 draws, 23 losses (31.6% win rate).
How do I prepare against Ostap Mertins?
38 games by Ostap Mertins reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.