Prepare against Andrii Diachek
FM · Poland · World #4,326 classical · FIDE ID 34106499
When preparing against Andrii Diachek, expect 1.c4 in 46% of White games. Against 1.e4 the reply is 1...c5 (57% of games); against 1.d4, 1...Nf6 (80%). Lowest win rate among frequent openings: English Opening: Neo-Catalan as White, 34.4% over 32 games.
Our database contains 935 games by Andrii Diachek, covering Aug 2019 to Sep 2026. Below you'll find Andrii Diachek's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Andrii Diachek 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 | 2,294 | 2,309 | Apr 2026 |
| Rapid | 2,318 | 2,318 | Sep 2026 |
| Blitz | 2,361 | 2,361 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 935 | 422 | 129 | 384 | 45.1% |
| As White | 465 | 228 | 66 | 171 | 49.0% |
| As Black | 470 | 194 | 63 | 213 | 41.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Andrii Diachek's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Andrii Diachek's side.
First moves as White (465 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 216 | 46.5% | 55.8% |
| e4 | 174 | 37.4% | 56.3% |
| d4 | 62 | 13.3% | 57.3% |
| b3 | 7 | 1.5% | 35.7% |
| Nf3 | 4 | 0.9% | 62.5% |
| g3 | 1 | 0.2% | 100.0% |
Main lines as White
- 1.c4 — 46% of White games, 55.8% score
- …Nf6 (31% of these games) — Diachek usually continues Nf3 (51.4% score)
- …e6 (22% of these games) — Diachek usually continues g3 (54.8% score)
- …c5 (15% of these games) — Diachek usually continues Nf3 (80.0% score)
- 1.e4 — 37% of White games, 56.3% score
- …c5 (46% of these games) — Diachek usually continues Nf3 (58.2% score)
- …e6 (16% of these games) — Diachek usually continues d4 (63.0% score)
- …e5 (14% of these games) — Diachek usually continues Nf3 (56.0% score)
As Black against 1.e4 (194 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 110 | 56.7% | 48.2% |
| e5 | 50 | 25.8% | 48.0% |
| c6 | 20 | 10.3% | 45.0% |
| b6 | 11 | 5.7% | 22.7% |
| d6 | 1 | 0.5% | 0.0% |
| Nc6 | 1 | 0.5% | 100.0% |
As Black against 1.d4 (157 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 126 | 80.3% | 48.0% |
| d5 | 14 | 8.9% | 42.9% |
| b6 | 8 | 5.1% | 37.5% |
| d6 | 7 | 4.5% | 64.3% |
| e6 | 1 | 0.6% | 0.0% |
| c6 | 1 | 0.6% | 100.0% |
Andrii Diachek's chess games
All 935 games by Andrii Diachek in the Chess.ceo database (Aug 2019 - Sep 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: 422 wins, 129 draws, 384 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A13 | English Opening | 66 | 34/11/21 | 51.5% |
| A21 | English Opening: Reverse Sicilian | 38 | 18/4/16 | 47.4% |
| A30 | English Opening: Symmetrical | 34 | 18/6/10 | 52.9% |
| A14 | English Opening: Neo-Catalan | 32 | 11/5/16 | 34.4% |
| B42 | Sicilian | 24 | 13/2/9 | 54.2% |
| A45 | Trompowsky Attack | 23 | 10/0/13 | 43.5% |
| C07 | French: Tarrasch Variation | 18 | 9/4/5 | 50.0% |
| B30 | Sicilian: Rossolimo | 17 | 10/2/5 | 58.8% |
| D03 | Torre Attack | 16 | 10/0/6 | 62.5% |
| A10 | Modern Defense | 13 | 8/1/4 | 61.5% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 40 | 17/5/18 | 42.5% |
| A07 | Réti Opening | 34 | 15/4/15 | 44.1% |
| B90 | Sicilian: Najdorf | 26 | 10/0/16 | 38.5% |
| A46 | Indian Defense | 23 | 11/2/10 | 47.8% |
| E00 | Catalan | 22 | 10/3/9 | 45.5% |
| C88 | Ruy Lopez: Closed | 19 | 7/5/7 | 36.8% |
| A25 | English Opening: Reverse Sicilian | 16 | 7/1/8 | 43.8% |
| A45 | London System | 14 | 8/1/5 | 57.1% |
| B31 | Sicilian: Rossolimo | 13 | 7/2/4 | 53.8% |
| D02 | Queen's Pawn Game | 12 | 2/2/8 | 16.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2026 | Victor Bologan | 2,600 | Titled Tue | B31 |
| Aug 2026 | Martyn Kravtsiv | 2,598 | 1st 3-0 Thu 13th Aug 2026 | B23 |
| Sep 2025 | Tuan Minh Le | 2,598 | Titled Tue | D02 |
| Sep 2025 | Stamatis Kourkoulos-Arditis | 2,583 | Titled Tue | A16 |
| May 2026 | Jan Gustafsson | 2,580 | Titled Tuesday | D31 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 569 | 278.5 | 2,239 |
| 1st 3-0 Thursday | 2026 | 66 | 33 | 2,254 |
| Bydgoszcz Open A | 2025 | 18 | 8.5 | 2,127 |
| Kiev Spring Open | 2023 | 16 | 8.5 | 1,981 |
| 25th European Youth Rapid & Blitz Chess Championship | Blitz | O14 | 2026 | 15 | 9 | 2,286 |
| 1st 3-0 Thu 11th Jun 2026 | 2026 | 11 | 5.5 | 2,294 |
| Polish Youth Rapid & Blitz Championships 2026 | Rapid | O14 | 2026 | 11 | 9 | 2,291 |
| World Cadets U12 2024 | 2024 | 11 | 7 | 2,050 |
Interactive opening tree from all 935 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Andrii Diachek's chess games?
935 games by Andrii Diachek, from Aug 2019 to Sep 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 Andrii Diachek has played.
What does Andrii Diachek play on the first move as White?
Across 465 games with White in our database, Andrii Diachek opens with 1.c4 (46% of games), 1.e4 (37% of games), 1.d4 (13% of games). Against 1.e4 as Black, Andrii Diachek answers 1...c5 (57% of games), 1...e5 (26% of games), 1...c6 (10% of games). Against 1.d4: 1...Nf6 (80% of games), 1...d5 (9% of games), 1...b6 (5% of games).
What openings does Andrii Diachek play as White?
As White, Andrii Diachek's most-played openings in our database are: English Opening (66 games, 51.5% win rate); English Opening: Reverse Sicilian (38 games, 47.4% win rate); English Opening: Symmetrical (34 games, 52.9% win rate). The full breakdown of 465 games with White is in the table above.
What openings does Andrii Diachek play as Black?
As Black, Andrii Diachek most often plays: Sicilian (40 games, 42.5% win rate); Réti Opening (34 games, 44.1% win rate); Sicilian: Najdorf (26 games, 38.5% win rate). See the table above for the top ten Black openings across 470 games.
What is Andrii Diachek's FIDE rating?
Andrii Diachek is currently rated 2,294 in classical chess, 2,318 in rapid and 2,361 in blitz. Peak classical rating: 2,309 (Apr 2026).
How many games has Andrii Diachek played?
Our database contains 935 games by Andrii Diachek, covering Aug 2019 to Sep 2026. Overall record: 422 wins, 129 draws, 384 losses (45.1% win rate).
How do I prepare against Andrii Diachek?
935 games by Andrii Diachek 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.