Prepare against Oleg Iolis
Belgium · World #12,118 classical · FIDE ID 204684
Our database contains 142 games by Oleg Iolis, covering Jul 2003 to Aug 2026. Below you'll find Oleg Iolis's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Oleg Iolis 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 | 2,139 | 2,228 | Dec 2022 |
| Rapid | 2,104 | 2,119 | Sep 2025 |
| Blitz | 2,098 | 2,126 | Sep 2017 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 142 | 52 | 33 | 57 | 36.6% |
| As White | 74 | 26 | 18 | 30 | 35.1% |
| As Black | 68 | 26 | 15 | 27 | 38.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Oleg Iolis's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Oleg Iolis's side.
First moves as White (74 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 74 | 100.0% | 47.3% |
Main lines as White
- 1.e4 — 100% of White games, 47.3% score
- …c5 (45% of these games) — Iolis usually continues Nf3 (40.9% score)
- …e5 (18% of these games) — Iolis usually continues Nf3 (50.0% score)
- …c6 (11% of these games) — Iolis usually continues d4 (50.0% score)
As Black against 1.e4 (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 28 | 100.0% | 53.6% |
As Black against 1.d4 (26 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 26 | 100.0% | 42.3% |
Oleg Iolis's chess games
All 142 games by Oleg Iolis in the Chess.ceo database (Jul 2003 - Aug 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: 52 wins, 33 draws, 57 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 11 | 2/1/8 | 18.2% |
| B41 | Sicilian | 7 | 0/3/4 | 0.0% |
| B12 | Caro-Kann: Advance Variation | 5 | 2/1/2 | 40.0% |
| B06 | Pirc Defense | 5 | 1/1/3 | 20.0% |
| B06 | Modern Defense | 4 | 1/1/2 | 25.0% |
| C70 | Ruy Lopez: Morphy Defense | 4 | 0/2/2 | 0.0% |
| B47 | Sicilian: Taimanov | 4 | 1/2/1 | 25.0% |
| C44 | Ponziani Opening | 4 | 2/1/1 | 50.0% |
| B33 | Sicilian: Sveshnikov | 3 | 3/0/0 | 100.0% |
| C02 | French: Advance Variation | 3 | 2/0/1 | 66.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D85 | Grünfeld Defense | 16 | 5/2/9 | 31.3% |
| B90 | Sicilian: Najdorf | 12 | 3/4/5 | 25.0% |
| B51 | Sicilian: Moscow Variation | 6 | 3/1/2 | 50.0% |
| A29 | English Opening: Reverse Sicilian | 5 | 3/1/1 | 60.0% |
| A36 | Sicilian | 4 | 1/2/1 | 25.0% |
| A48 | King's Indian Defense | 3 | 0/1/2 | 0.0% |
| B26 | Sicilian: Closed | 3 | 2/0/1 | 66.7% |
| A34 | English Opening: Symmetrical | 3 | 0/0/3 | 0.0% |
| A45 | London System | 2 | 1/1/0 | 50.0% |
| A03 | Bird's opening | 2 | 1/1/0 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2023 | Gerard Ayats Llobera | 2,442 | 4th La Nucia Open | B94 |
| Jul 2022 | Mikheil Kekelidze | 2,372 | 15th Poti Open | B06 |
| Nov 2008 | Rob Michiels | 2,298 | chT-BEL 0809 | C54 |
| Jun 2026 | Stolwijk,Colin | 2,292 | HWP Inholland 2026 | B12 |
| Dec 2018 | Javier Longa Yauca | 2,271 | 17th Benidorm Open U2300 | D96 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Charleroi Open | 2019 | 12 | 5 | 1,979 |
| ch-BEL Open | 2017 | 9 | 6 | 2,196 |
| Wachtebeke Open | 2022 | 8 | 5.5 | 2,302 |
| 31st Pardubice Czech Open A | 2020 | 8 | 3.5 | 2,067 |
| ch-SVK Amateur | 2020 | 7 | 5 | 2,229 |
| Wachtebeke B | 2019 | 6 | 1.5 | 1,956 |
| 9th Heusenstamm Sparkassen Open A | 2023 | 6 | 4.5 | 2,114 |
| 11th Palmanova Open | 2022 | 5 | 2 | 1,954 |
Interactive opening tree from all 142 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Oleg Iolis's chess games?
142 games by Oleg Iolis, from Jul 2003 to Aug 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 Oleg Iolis has played.
What does Oleg Iolis play on the first move as White?
Across 74 games with White in our database, Oleg Iolis opens with 1.e4 (100% of games). Against 1.e4 as Black, Oleg Iolis answers 1...c5 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Oleg Iolis play as White?
As White, Oleg Iolis's most-played openings in our database are: Sicilian: Najdorf (11 games, 18.2% win rate); Sicilian (7 games, 0.0% win rate); Caro-Kann: Advance Variation (5 games, 40.0% win rate). The full breakdown of 74 games with White is in the table above.
What openings does Oleg Iolis play as Black?
As Black, Oleg Iolis most often plays: Grünfeld Defense (16 games, 31.3% win rate); Sicilian: Najdorf (12 games, 25.0% win rate); Sicilian: Moscow Variation (6 games, 50.0% win rate). See the table above for the top ten Black openings across 68 games.
What is Oleg Iolis's FIDE rating?
Oleg Iolis is currently rated 2,139 in classical chess, 2,104 in rapid and 2,098 in blitz. Peak classical rating: 2,228 (Dec 2022).
How many games has Oleg Iolis played?
Our database contains 142 games by Oleg Iolis, covering Jul 2003 to Aug 2026. Overall record: 52 wins, 33 draws, 57 losses (36.6% win rate).
How do I prepare against Oleg Iolis?
142 games by Oleg Iolis 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.