Player profile
Iolis, Oleg
Dossier
45 of 49 games analyzed.
Accuracy: 89.4%
Opened e4: 17/17
Castled kingside: 22Same-side castling: 20Castled queenside: 8Did not castle: 7Opposite-side castling: 4
Fianchettoed kingside: 12Played in the center: 12Played on the kingside: 8Played on the queenside: 6Fianchettoed queenside: 3
Active pieces: 28Backward pawn: 22Sacrificed material: 19Initiated exchanges: 19Kept the bishop pair: 17Space advantage: 17Isolated pawn: 14Avoided exchanges: 10Missed tactics: 10Played gambits: 6
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 19 games 7W 4D 7L
Sicilian Defense 11 games 3W 3D 4L
Najdorf Variation 4 games 1W 0D 2L
English Attack
3 games
0W
0D
2L
English Attack, Anti-English
1 game
1W
0D
0L
Taimanov Variation 2 games 1W 1D 0L
Bastrikov Variation, English Attack
1 game
1W
0D
0L
(unspecified)
1 game
0W
1D
0L
Kalashnikov Variation 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Lasker-Pelikan Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Kan Variation 1 game 0W 0D 1L
Polugaevsky Variation
1 game
0W
0D
1L
Richter-Rauzer Variation 1 game 0W 0D 1L
Vitolins Variation
1 game
0W
0D
1L
French Defense 3 games 1W 1D 1L
Advance Variation 2 games 1W 1D 0L
Paulsen Attack
1 game
1W
0D
0L
(unspecified)
1 game
0W
1D
0L
Steinitz Variation 1 game 0W 0D 1L
Boleslavsky Variation
1 game
0W
0D
1L
Ruy Lopez 2 games 1W 0D 1L
Fianchetto Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Open 1 game 1W 0D 0L
Main Line
1 game
1W
0D
0L
Caro-Kann Defense 1 game 1W 0D 0L
Advance Variation 1 game 1W 0D 0L
Short Variation
1 game
1W
0D
0L
Scotch Game 1 game 0W 0D 1L
Mieses Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Scandinavian Defense 1 game 1W 0D 0L
Gubinsky-Melts Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 21 games 5W 7D 9L
Sicilian Defense 13 games 2W 5D 6L
Najdorf Variation 8 games 1W 3D 4L
English Attack
2 games
1W
1D
0L
(unspecified)
2 games
0W
1D
1L
Zagreb Variation
1 game
0W
0D
1L
Adams Attack
1 game
0W
0D
1L
Opocensky Variation, Traditional Line
1 game
0W
0D
1L
Petronić Attack
1 game
0W
1D
0L
Modern Variations 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Wing Gambit 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Alapin Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Delayed Alapin Variation 1 game 0W 1D 0L
with d6
1 game
0W
1D
0L
Moscow Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 3 games 1W 2D 0L
Anglo-Indian Defense 1 game 0W 1D 0L
Anglo-Grünfeld Variation
1 game
0W
1D
0L
King's English Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Symmetrical Variation 1 game 1W 0D 0L
Rubinstein Variation
1 game
1W
0D
0L
Grünfeld Defense 3 games 1W 0D 2L
Russian Variation 2 games 0W 0D 2L
Byrne Variation
1 game
0W
0D
1L
Accelerated Variation
1 game
0W
0D
1L
Three Knights Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Trompowsky Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Polish Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Blunders Top 4 of 177
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 49 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.07.22 | Round 9: Iolis, Oleg - Haan, Gertjan | 9.19 | 2026.07.22 Haan, Gertjan (1039350) (2019) | 1 | 88.20% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.07.21 | Round 8: Frantisek Vrana - Iolis, Oleg | 8.19 | 2026.07.21 Frantisek Vrana | ½ | 97.10% | 1. e4 c5 2. Nf3 d6 3. g3 Nf6 | |
| 2026.07.19 | Round 4: Geene, Joris - Iolis, Oleg | 4.20 | 2026.07.19 Geene, Joris (1034960) (2012) | ½ | 92.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.28 | Round 5: Haver, Bas - Iolis, Oleg | 5.9 | 2026.06.28 Haver, Bas (1039849) (2253) | ½ | 92.70% | 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2026.06.28 | Round 4: Iolis, Oleg - Zwirs, Nico | 4.3 | 2026.06.28 Zwirs, Nico (1036432) (2425) | 0 | 79.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.27 | Round 3: Guillaumond, Matthieu - Iolis, Oleg | 3.4 | 2026.06.27 Guillaumond, Matthieu (1097091) (2207) | ½ | 86.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.27 | Round 2: Iolis, Oleg - Stolwijk, Colin | 2.4 | 2026.06.27 Stolwijk, Colin (1033743) (2292) | 1 | 96.70% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2026.06.19 | HSG Open 2026 A | 2.11 | 2026.06.19 Beerdsen, Thomas (1030108) (2519) | 0 | 88.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.06 | Round 5: Iolis, Oleg - Neurohr, Juergen | 5.20 | 2026.06.06 Neurohr, Juergen (4646312) (1949) | 0 | 83.10% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2026.06.05 | Round 4: Coenen, Michael - Iolis, Oleg | 4.6 | 2026.06.05 Coenen, Michael (4697367) (2278) | 0 | 89.30% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2025.10.24 | Amsterdam Chess Open 2025 | 2.5 | 2025.10.24 Lahaye, Rick (1007092) (2378) | 0 | 88.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.07.21 | Round 6: Ghyselen, Wouter - Iolis, Oleg | 6.9 | 2025.07.21 Ghyselen, Wouter (210250) (2083) | 0 | 79.20% | 1. d4 Nf6 2. Bg5 d5 3. e3 c5 | |
| 2025.06.01 | Round 7: Capone, Nicola - Iolis, Oleg | 7.2 | 2025.06.01 Capone, Nicola (224715) (2280) | 0 | 85.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.31 | Round 5: Iolis, Oleg - Raptis, Filippos | 5.3 | 2025.05.31 Raptis, Filippos (264903) (2121) | 1 | 95.00% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.05.30 | Round 6: Le Quang, Kim - Iolis, Oleg | 6.1 | 2025.05.30 Le Quang, Kim (200700) (2243) | ½ | 97.70% | 1. c4 e5 2. g3 c6 3. Nf3 e4 | |
| 2025.05.30 | Round 4: Vermoesen, Jordan - Iolis, Oleg | 4.3 | 2025.05.30 Vermoesen, Jordan (285544) (2113) | 1 | 94.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.30 | Round 3: Iolis, Oleg - Toledo, Hillel | 3.4 | 2025.05.30 Toledo, Hillel (268682) (2021) | ½ | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.05.30 | Round 2: Hauchamps, Maxime - Iolis, Oleg | 2.2 | 2025.05.30 Hauchamps, Maxime (264865) (2263) | 0 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.30 | Round 1: Iolis, Oleg - Gulbas, Cemil | 1.1 | 2025.05.30 Gulbas, Cemil (201820) (2321) | 1 | - | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2024.11.09 | Round 2: Iolis, Oleg - Sipila, Vilka | 2.3 | 2024.11.09 Sipila, Vilka (505455) (2448) | 0 | 80.00% | 1. e4 c6 2. d4 d5 3. f3 e6 | |
| 2024.07.12 | Round 7: Froeyman, Helmut - Iolis, Oleg | 7.5 | 2024.07.12 Froeyman, Helmut (203602) (2243) | 0 | 88.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.07.11 | Round 6: Iolis, Oleg - Hamblok, Roel | 6.7 | 2024.07.11 Hamblok, Roel (209317) (2235) | ½ | 86.90% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2024.06.21 | Round 2: Iolis, Oleg - Vrolijk, Liam | 2024.06.21 Vrolijk, Liam (1048333) (2536) | 0 | 93.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 | ||
| 2024.05.31 | Round 4: Iolis, Oleg - Barzen, Pascal | 2024.05.31 Barzen, Pascal (24653497) (2291) | 0 | 83.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2024.04.10 | Round 5: Debucke, Jolan - Iolis, Oleg | 2024.04.10 Debucke, Jolan (245194) (1963) | 0 | 82.90% | 1. e4 c5 2. b4 cxb4 3. d4 d5 | ||
| 2024.04.09 | Round 4: Iolis, Oleg - Maes, Tibo | 2024.04.09 Maes, Tibo (231274) (1994) | ½ | 88.70% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2024.04.08 | Round 3: Dhooge, Servaas - Iolis, Oleg | 2024.04.08 Dhooge, Servaas (268216) (1990) | ½ | 91.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.04.08 | Round 2: Iolis, Oleg - Van Elsacker, Jasper | 2024.04.08 Van Elsacker, Jasper (272752) (1824) | 1 | 92.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.04.07 | Round 1: Debaere, Thomas - Iolis, Oleg | 2024.04.07 Debaere, Thomas (286460) (1765) | 1 | 89.90% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | ||
| 2024.04.01 | Round 8: Heinemann, Ernst - Iolis, Oleg | 2024.04.01 Heinemann, Ernst (4662679) (2055) | ½ | 91.30% | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 | ||
| 2024.03.31 | Round 7: Iolis, Oleg - Korneev, Oleg | 2024.03.31 Korneev, Oleg (4156803) (2481) | ½ | 98.50% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2024.03.31 | Round 6: Iolis, Oleg - Huesmann, Thomas | 2024.03.31 Huesmann, Thomas (200441) (2178) | 1 | 96.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2024.03.30 | Round 5: Schaefers, Andreas - Iolis, Oleg | 2024.03.30 Schaefers, Andreas (24643769) (1998) | 1 | 87.40% | 1. Nf3 c5 2. c4 Nf6 3. g3 d5 | ||
| 2024.03.30 | Round 4: Iolis, Oleg - Pijpers, Arthur | 2024.03.30 Pijpers, Arthur (1019554) (2468) | 0 | 89.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.03.29 | Round 3: Reichardt, Robin - Iolis, Oleg | 2024.03.29 Reichardt, Robin (1051067) (1993) | 1 | 94.70% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | ||
| 2024.03.29 | Round 2: Iolis, Oleg - Grosser, Walter | 2024.03.29 Grosser, Walter (4627962) (1937) | 1 | 97.40% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | ||
| 2024.03.28 | Round 1: Hagenhoff, Georg - Iolis, Oleg | 2024.03.28 Hagenhoff, Georg (4638271) (1854) | 1 | 86.40% | 1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 | ||
| 2024.03.02 | Round 1: Iolis, Oleg - Gopal G.N. | 2024.03.02 Gopal G.N. (5015693) (2575) | * | 85.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| ????.??.?? | 41e Open International de Cappelle | 1.4 | ????.??.?? Bauer, Christian (603767) (2548) | ½ | 96.20% | 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 | |
| Open Geraardsbergen 2025 | 5.3 | Peeters, Alex (252042) (2108) | 0 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.01.03 | Round 1: Alberto David - Oleg Iolis | 2024.01.03 Alberto David | 0 | 82.00% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | ||
| 2023.11.10 | Leuven Open 2023 Round 2: Vitaly Sivuk - Oleg Iolis | 2023.11.10 Vitaly Sivuk | 0 | 90.10% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | ||
| 2023.10.09 | Round 4: Oleg Iolis - Lucian-Ioan Filip | 2023.10.09 Lucian-Ioan Filip (2352) | 0 | 94.80% | 1. e4 c5 2. Nf3 e6 3. c3 Nf6 | ||
| 2023.10.09 | Round 3: Gerard Ayats Llobera - Oleg Iolis | 2023.10.09 Gerard Ayats Llobera (2442) | 1 | 86.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.10.08 | Round 2: Oleg Iolis - Ilmars Starostits | 2023.10.08 Ilmars Starostits (2389) | * | 97.60% | 1. e4 c6 2. d4 d5 3. f3 Qb6 | ||
| 2023.06.11 | Round 7: Oleg Iolis - Lukas Winterberg | 2023.06.11 Lukas Winterberg | 0 | 90.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.06.10 | Round 6: Tom E Wiley - Oleg Iolis | 2023.06.10 Tom E Wiley | ½ | 93.20% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | ||
| 2023.06.10 | Round 5: Michael Morlo - Oleg Iolis | 2023.06.10 Michael Morlo | 1 | 95.60% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | ||
| 2023.06.09 | Round 4: Oleg Iolis - Li Min Peng | 2023.06.09 Li Min Peng | ½ | 75.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 |