Player profile
Ozsakallioglu, Okan
Dossier
168 of 178 games analyzed.
Accuracy: 92.4%
Opened e4: 51/56Opened d4: 3/56Opened c4: 2/56
Castled kingside: 82Same-side castling: 65Did not castle: 22Opposite-side castling: 20Castled queenside: 18
Played in the center: 51Played on the kingside: 30Played on the queenside: 30Fianchettoed kingside: 23Fianchettoed queenside: 19
Active pieces: 87Kept the bishop pair: 69Initiated exchanges: 64Sacrificed material: 61Space advantage: 57Backward pawn: 49Isolated pawn: 47Avoided exchanges: 31Missed tactics: 19Played gambits: 11
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 62 games 24W 24D 14L
Sicilian Defense 32 games 15W 9D 8L
Nyezhmetdinov-Rossolimo Attack 9 games 4W 4D 1L
Fianchetto Variation
6 games
4W
1D
1L
(unspecified)
3 games
0W
3D
0L
Najdorf Variation 9 games 5W 2D 2L
English Attack
6 games
3W
1D
2L
(unspecified)
3 games
2W
1D
0L
Richter-Rauzer Variation 4 games 1W 2D 1L
Modern Variation
3 games
0W
2D
1L
(unspecified)
1 game
1W
0D
0L
Dragon Variation 2 games 1W 0D 1L
(unspecified)
1 game
0W
0D
1L
Yugoslav Attack
1 game
1W
0D
0L
Four Knights Variation 2 games 2W 0D 0L
(unspecified)
1 game
1W
0D
0L
Exchange Variation
1 game
1W
0D
0L
Hyperaccelerated Dragon 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Kan Variation 1 game 1W 0D 0L
Maróczy Bind, Réti Variation
1 game
1W
0D
0L
Scheveningen Variation 1 game 0W 0D 1L
English Attack, with f3
1 game
0W
0D
1L
Taimanov Variation 1 game 0W 1D 0L
Bastrikov Variation, English Attack
1 game
0W
1D
0L
Caro-Kann Defense 9 games 2W 6D 1L
Endgame Variation 5 games 1W 4D 0L
(unspecified)
5 games
1W
4D
0L
Advance Variation 2 games 0W 1D 1L
Tal Variation
2 games
0W
1D
1L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Endgame Offer 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Ruy Lopez 6 games 1W 3D 2L
Exchange Variation 4 games 0W 3D 1L
Gligoric Variation
1 game
0W
1D
0L
Alapin Gambit
1 game
0W
1D
0L
Normal Variation
1 game
0W
0D
1L
Keres Variation
1 game
0W
1D
0L
Open Berlin Defense 1 game 0W 0D 1L
l'Hermet Variation
1 game
0W
0D
1L
Fianchetto Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
French Defense 6 games 3W 1D 2L
Tarrasch Variation 6 games 3W 1D 2L
Open System, Euwe-Keres Line
4 games
1W
1D
2L
Guimard Defense, Main Line
2 games
2W
0D
0L
English Opening 2 games 1W 1D 0L
Agincourt Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's English Variation 1 game 1W 0D 0L
Reversed Sicilian
1 game
1W
0D
0L
Four Knights Game 2 games 1W 1D 0L
Spanish Variation 2 games 1W 1D 0L
Symmetrical Variation
1 game
1W
0D
0L
Rubinstein Variation
1 game
0W
1D
0L
Slav Defense 2 games 0W 2D 0L
Exchange Variation 1 game 0W 1D 0L
Symmetrical Line
1 game
0W
1D
0L
Czech Variation 1 game 0W 1D 0L
Krause Attack
1 game
0W
1D
0L
Catalan Opening 1 game 0W 1D 0L
Open Defense 1 game 0W 1D 0L
Classical Line
1 game
0W
1D
0L
Modern Defense 1 game 1W 0D 0L
Standard Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Philidor Defense 1 game 0W 0D 1L
Lion Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 68 games 22W 24D 21L
Sicilian Defense 15 games 4W 6D 5L
Alapin Variation 5 games 3W 2D 0L
Stoltz Attack
3 games
2W
1D
0L
(unspecified)
1 game
0W
1D
0L
Barmen Defense
1 game
1W
0D
0L
French Variation 4 games 0W 1D 3L
(unspecified)
2 games
0W
0D
2L
Westerinen Attack
2 games
0W
1D
1L
Taimanov Variation 2 games 0W 0D 2L
Bastrikov Variation, English Attack
1 game
0W
0D
1L
Bastrikov Variation
1 game
0W
0D
1L
Four Knights Variation 2 games 1W 1D 0L
(unspecified)
1 game
0W
1D
0L
Exchange Variation
1 game
1W
0D
0L
Lasker-Pelikan Variation 1 game 0W 1D 0L
Sveshnikov Variation
1 game
0W
1D
0L
Old Sicilian 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Slav Defense 9 games 2W 3D 3L
Czech Variation 4 games 1W 2D 1L
Krause Attack
2 games
0W
1D
1L
Wiesbaden Variation
1 game
1W
0D
0L
Classical System, Main Line
1 game
0W
1D
0L
Exchange Variation 2 games 0W 1D 1L
(unspecified)
1 game
0W
1D
0L
Symmetrical Line
1 game
0W
0D
1L
Quiet Variation 2 games 1W 0D 1L
Schallopp Defense
2 games
1W
0D
1L
Modern Line 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
King's Indian Defense 6 games 3W 0D 3L
Normal Variation 2 games 1W 0D 1L
Rare Defenses
2 games
1W
0D
1L
Fianchetto Variation 2 games 2W 0D 0L
Kavalek Defense
2 games
2W
0D
0L
Kramer Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Orthodox Variation 1 game 0W 0D 1L
Glek Defense
1 game
0W
0D
1L
Petrov's Defense 5 games 0W 4D 1L
Classical Attack 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Kaufmann Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Cozio Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 4 games 2W 1D 1L
(unspecified) 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
De Bruycker Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Modern Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Attack 4 games 1W 2D 1L
Yugoslav Variation 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Spassky Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Pirc Defense 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
(unspecified)
3 games
1W
1D
1L
Queen's Pawn Game 3 games 1W 1D 1L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Accelerated London System 1 game 0W 0D 1L
Steinitz Countergambit
1 game
0W
0D
1L
Four Knights Game 2 games 0W 1D 1L
Gunsberg Variation 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
English Opening 2 games 1W 1D 0L
Anglo-Indian Defense 1 game 0W 1D 0L
Queen's Indian Formation
1 game
0W
1D
0L
King's English Variation 1 game 1W 0D 0L
Kramnik-Shirov Counterattack
1 game
1W
0D
0L
Philidor Defense 2 games 2W 0D 0L
Lion Variation 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Modern Defense 2 games 1W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Standard Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Semi-Slav Defense 1 game 0W 0D 1L
Accelerated Meran Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Italian Game 1 game 1W 0D 0L
Two Knights Defense 1 game 1W 0D 0L
Modern Bishop's Opening
1 game
1W
0D
0L
Nimzo-Larsen Attack 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Hungarian Opening 1 game 1W 0D 0L
Indian Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Rapport-Jobava System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
East Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Rat Defense 1 game 1W 0D 0L
English Rat 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Réti Opening 1 game 0W 1D 0L
Anglo-Slav Variation 1 game 0W 1D 0L
Gurevich System
1 game
0W
1D
0L
Nimzo-Indian Defense 1 game 0W 1D 0L
Rubinstein System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Ruy Lopez 1 game 0W 1D 0L
Berlin Defense 1 game 0W 1D 0L
Anti-Berlin Variation, Mortimer Variation
1 game
0W
1D
0L
Blunders Top 4 of 507
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 178 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.08.15 | Round 15: Heberla, Bartlomiej - Ozsakallioglu, Okan | 15.39 | 2026.08.15 Heberla, Bartlomiej (1115120) (2499) | 0 | 88.60% | 1. Nf3 d5 2. e3 Nf6 3. c4 c6 | |
| 2026.08.14 | Round 14: Celik, Ali Alper - Ozsakallioglu, Okan | 14.16 | 2026.08.14 Celik, Ali Alper (44569955) (2216) | 0 | 89.60% | 1. e4 c6 2. d4 Na6 3. Nf3 g6 | |
| 2026.08.13 | Round 13: Ozsakallioglu, Okan - Sevgi, Volkan | 13.34 | 2026.08.13 Sevgi, Volkan (6325335) (2319) | 0 | 89.80% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2026.08.12 | Round 12: Caputcuoglu, Zeki Berke - Ozsakallioglu, Okan | 12.22 | 2026.08.12 Caputcuoglu, Zeki Berke (34548610) (2211) | ½ | 98.90% | 1. Nf3 d5 2. d4 Nf6 3. c4 c6 | |
| 2026.08.11 | Round 11: Ozsakallioglu, Okan - Yurtseven, Melih | 11.28 | 2026.08.11 Yurtseven, Melih (6312160) (2362) | ½ | 93.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.10 | Round 10: Celik, Hasan Huseyin - Ozsakallioglu, Okan | 10.28 | 2026.08.10 Celik, Hasan Huseyin (44506759) (2503) | 0 | 86.60% | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.08.07 | Round 6: Sarioglu, Hakan Bora - Ozsakallioglu, Okan | 6.40 | 2026.08.07 Sarioglu, Hakan Bora (51678233) (2030) | 1 | 93.10% | 1. d4 d6 2. Nf3 g6 3. c4 Bg7 | |
| 2026.08.06 | Round 4: Ozsakallioglu, Okan - Kilic, Eray | 4.45 | 2026.08.06 Kilic, Eray (44517173) (2496) | 0 | 85.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.05 | Round 3: Huseyinoglu, Alihan - Ozsakallioglu, Okan | 3.4 | 2026.08.05 Huseyinoglu, Alihan (14202875) (2397) | ½ | 88.20% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.08.04 | Round 2: Ozsakallioglu, Okan - Akbas, Umut Ata | 2.46 | 2026.08.04 Akbas, Umut Ata (44572646) (2441) | 1 | 93.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.03 | Round 1: Buyuk, Eymen Eren - Ozsakallioglu, Okan | 1.10 | 2026.08.03 Buyuk, Eymen Eren (26310872) (2281) | 0 | 85.60% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.07.04 | Round 8: Akturk, Mustafa Deniz - Ozsakallioglu, Okan | 8.37 | 2026.07.04 Akturk, Mustafa Deniz (44557949) (2143) | 0 | 73.60% | 1. d4 d5 2. Nf3 Nf6 3. c4 c6 | |
| 2026.07.02 | Round 6: Kalambetov, Anton - Ozsakallioglu, Okan | 6.37 | 2026.07.02 Kalambetov, Anton (34176630) (2099) | 0 | 80.60% | 1. d4 d6 2. e4 Nf6 3. Nd2 g6 | |
| 2026.07.02 | Round 5: Ozsakallioglu, Okan - Yilmaz, Kerem Tuna | 5.24 | 2026.07.02 Yilmaz, Kerem Tuna (44513780) (2061) | 0 | 77.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.07.01 | Round 4: Pintor, Simao - Ozsakallioglu, Okan | 4.39 | 2026.07.01 Pintor, Simao (1904787) (2104) | 1 | 91.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.06.30 | Round 2: Ilinca, Felix-Antonio - Ozsakallioglu, Okan | 2.18 | 2026.06.30 Ilinca, Felix-Antonio (54764998) (2495) | 0 | 82.50% | 1. Nf3 d5 2. b3 Nf6 3. Bb2 h6 | |
| 2026.06.29 | Round 1: Ozsakallioglu, Okan - Khubukshanov, Erdem | 1.5 | 2026.06.29 Khubukshanov, Erdem (54114527) (2505) | ½ | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.18 | Round 9: Ozsakallioglu, Okan - Perkampus, Laurin | 9.6 | 2026.06.18 Perkampus, Laurin (16232283) (2170) | 1 | 97.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.06.17 | Round 8: Ramaj, Ergit - Ozsakallioglu, Okan | 8.7 | 2026.06.17 Ramaj, Ergit (4703669) (2364) | ½ | 99.50% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.06.16 | Round 7: Ozsakallioglu, Okan - Karademir, Bugra | 7.7 | 2026.06.16 Karademir, Bugra (34569405) (2124) | ½ | 91.20% | 1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 | |
| 2026.06.15 | Round 6: Djukanovic, Mitar - Ozsakallioglu, Okan | 6.10 | 2026.06.15 Djukanovic, Mitar (16500334) (2012) | 1 | 92.70% | 1. g3 Nf6 2. Bg2 d5 3. f4 Bf5 | |
| 2026.06.14 | Round 5: Krasniqi, Alban - Ozsakallioglu, Okan | 5.6 | 2026.06.14 Krasniqi, Alban (22101381) (2171) | 0 | 83.10% | 1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 | |
| 2026.06.14 | Round 4: Ozsakallioglu, Okan - Fischer, Daniel | 4.4 | 2026.06.14 Fischer, Daniel (1328360) (2365) | ½ | 98.00% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.05.31 | Round 9: Oz, Ege - Ozsakallioglu, Okan | 9.2 | 2026.05.31 Oz, Ege (26391600) (2086) | 1 | 96.60% | 1. e4 c6 2. d4 g6 3. h4 d5 | |
| 2026.05.31 | Round 8: Ozsakallioglu, Okan - Soydan, Can | 8.2 | 2026.05.31 Soydan, Can (51667410) (1733) | 1 | 90.40% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.05.31 | Round 7: Gurel, Ahmet Unal - Ozsakallioglu, Okan | 7.3 | 2026.05.31 Gurel, Ahmet Unal (6307400) (1956) | 1 | 88.90% | 1. d4 d6 2. Nf3 Nf6 3. c4 g6 | |
| 2026.05.31 | Round 6: Ozsakallioglu, Okan - Eren, Ataberk | 6.2 | 2026.05.31 Eren, Ataberk (6349765) (2396) | ½ | 98.50% | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | |
| 2026.05.31 | Round 5: Yildiz, Ali Aras - Ozsakallioglu, Okan | 5.1 | 2026.05.31 Yildiz, Ali Aras (51619822) (2020) | 0 | 83.70% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.05.31 | Round 4: Ozsakallioglu, Okan - Ucoluk, Umut | 4.1 | 2026.05.31 Ucoluk, Umut (26391686) (2072) | 1 | 91.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.05.31 | Round 3: Nazli, Sertan - Ozsakallioglu, Okan | 3.2 | 2026.05.31 Nazli, Sertan (6372830) (1779) | 1 | 88.20% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2026.05.31 | Round 2: Ozsakallioglu, Okan - Yilmaz, Can Aslan | 2.2 | 2026.05.31 Yilmaz, Can Aslan (525004603) (1468) | 1 | - | 1. e4 c6 2. Nf3 d5 3. d3 dxe4 | |
| 2026.05.31 | Round 1: Annaberdiyeva, Shirin - Ozsakallioglu, Okan | 1.2 | 2026.05.31 Annaberdiyeva, Shirin (14005883) (1508) | 1 | - | 1. e4 c6 2. Ne2 d5 3. e5 g6 | |
| 2026.04.26 | Round 1: Ozsakallioglu, Okan - Cirovic, Miroljub | 1.1 | 2026.04.26 Cirovic, Miroljub (16502868) (2276) | 0 | 85.90% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | |
| 2025.09.30 | Round 9: Ozsakallioglu, Okan - Biyiksiz, Ali Batuhan | 9.3 | 2025.09.30 Biyiksiz, Ali Batuhan (26307251) (2068) | ½ | 96.00% | 1. d4 Nf6 2. Nf3 e6 3. c4 d5 | |
| 2025.09.29 | Round 8: Dal, Emir Saygin - Ozsakallioglu, Okan | 8.2 | 2025.09.29 Dal, Emir Saygin (51615746) (2057) | ½ | 99.40% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.09.28 | Round 7: Ozsakallioglu, Okan - Tilicheev, Viacheslav | 7.2 | 2025.09.28 Tilicheev, Viacheslav (24114928) (2428) | ½ | 98.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.09.28 | Round 6: Deveci, Huseyin Said - Ozsakallioglu, Okan | 6.3 | 2025.09.28 Deveci, Huseyin Said (26322455) (2096) | ½ | 91.50% | 1. e4 c6 2. d4 d5 3. Nd2 g6 | |
| 2025.09.27 | Round 4: Biyiksiz, Ali Batuhan - Ozsakallioglu, Okan | 4.3 | 2025.09.27 Biyiksiz, Ali Batuhan (26307251) (2068) | ½ | 97.40% | 1. Nf3 Nf6 2. d4 g6 3. Nbd2 d5 | |
| 2025.09.26 | Round 3: Ozsakallioglu, Okan - Dal, Emir Saygin | 3.2 | 2025.09.26 Dal, Emir Saygin (51615746) (2057) | 1 | 94.70% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.09.26 | Round 2: Tilicheev, Viacheslav - Ozsakallioglu, Okan | 2.2 | 2025.09.26 Tilicheev, Viacheslav (24114928) (2428) | ½ | 94.60% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | |
| 2025.09.25 | Round 10: Schekachikhin, Maksim - Ozsakallioglu, Okan | 10.1 | 2025.09.25 Schekachikhin, Maksim (24177830) (2337) | ½ | 99.70% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2025.09.25 | Round 5: Ozsakallioglu, Okan - Schekachikhin, Maksim | 5.1 | 2025.09.25 Schekachikhin, Maksim (24177830) (2337) | ½ | 92.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.09.25 | Round 1: Ozsakallioglu, Okan - Deveci, Huseyin Said | 1.3 | 2025.09.25 Deveci, Huseyin Said (26322455) (2096) | ½ | 89.30% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.09.23 | Round 9: Ozsakallioglu, Okan - Schekachikhin, Maksim | 9.5 | 2025.09.23 Schekachikhin, Maksim (24177830) (2337) | ½ | 93.60% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 | |
| 2025.09.22 | Round 7: Milanovic, Slavisa - Ozsakallioglu, Okan | 7.5 | 2025.09.22 Milanovic, Slavisa (921033) (2289) | ½ | 92.30% | 1. Nf3 Nf6 2. c4 e6 3. g3 b6 | |
| 2025.09.21 | Round 6: Ozsakallioglu, Okan - Deveci, Huseyin Said | 6.2 | 2025.09.21 Deveci, Huseyin Said (26322455) (2096) | 1 | 91.90% | 1. c4 e5 2. Nc3 d6 3. d4 exd4 | |
| 2025.09.21 | Round 5: Senel, Hayri Beyhun - Ozsakallioglu, Okan | 5.4 | 2025.09.21 Senel, Hayri Beyhun (26314690) (2084) | ½ | 99.00% | 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 | |
| 2025.09.20 | Round 4: Ozsakallioglu, Okan - Ozdemir, Serhan Berat | 4.3 | 2025.09.20 Ozdemir, Serhan Berat (6374611) (2214) | ½ | 96.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.09.19 | Round 3: Sahbudak, Baris Cinar - Ozsakallioglu, Okan | 3.3 | 2025.09.19 Sahbudak, Baris Cinar (26351633) (2277) | 1 | 98.00% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.09.19 | Round 2: Ozsakallioglu, Okan - Tilicheev, Viacheslav | 2.4 | 2025.09.19 Tilicheev, Viacheslav (24114928) (2428) | 0 | 81.60% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | |
| 2025.09.18 | Round 8: Blesic, Vaso - Ozsakallioglu, Okan | 8.1 | 2025.09.18 Blesic, Vaso (930733) (2267) | ½ | 94.50% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | |
| 2025.09.18 | Round 1: Mutlu, Burak Alp - Ozsakallioglu, Okan | 1.2 | 2025.09.18 Mutlu, Burak Alp (44507461) (2034) | ½ | 96.60% | 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 | |
| 2025.09.08 | Round 5: Javadov, Habil - Ozsakallioglu, Okan | 5.6 | 2025.09.08 Javadov, Habil (13424165) (2038) | 1 | 96.30% | 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 | |
| 2025.09.06 | Round 3: Ozsakallioglu, Okan - Tursunali , Bekarys | 3.6 | 2025.09.06 Tursunali , Bekarys (13744461) (2095) | 1 | 95.90% | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 | |
| 2025.09.05 | Round 2: Zhakshylykov, Erzhan - Ozsakallioglu, Okan | 2.2 | 2025.09.05 Zhakshylykov, Erzhan (13804111) (2309) | 0 | 88.70% | 1. c4 c6 2. d4 d5 3. cxd5 cxd5 | |
| 2025.09.04 | Round 1: Ozsakallioglu, Okan - Ibodullaev, Jurabek | 1.2 | 2025.09.04 Ibodullaev, Jurabek (14209497) (1883) | 1 | - | 1. e4 c5 2. Nf3 g6 3. c3 Bg7 | |
| 2025.07.31 | Round 5: Ozsakallioglu, Okan - Eroz, Enis | 5.19 | 2025.07.31 Eroz, Enis (34557660) (2027) | 1 | - | 1. e4 e6 2. d4 d5 3. Nd2 c5 | |
| 2025.07.30 | Round 4: Marangoz, Mehmet Deniz - Ozsakallioglu, Okan | 4.31 | 2025.07.30 Marangoz, Mehmet Deniz (26365960) (1890) | 1 | 97.00% | 1. d4 d6 2. e4 Nf6 3. Nc3 e5 | |
| 2025.07.30 | Round 3: Ozsakallioglu, Okan - Ertan, Oktay | 3.43 | 2025.07.30 Ertan, Oktay (6333591) (1946) | 1 | 89.70% | 1. e4 e6 2. d4 d5 3. Nd2 Nc6 | |
| 2025.07.29 | Round 2: Kazdagli, Benan - Ozsakallioglu, Okan | 2.13 | 2025.07.29 Kazdagli, Benan (6309925) (2017) | 0 | 87.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.07.28 | Round 1: Ozsakallioglu, Okan - Serbulent, Huseyin | 1.13 | 2025.07.28 Serbulent, Huseyin (6313140) (1857) | 1 | 95.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.06.29 | Round 9: Ceyhan, Mert - Ozsakallioglu, Okan | 9.25 | 2025.06.29 Ceyhan, Mert (44515820) (2220) | 0 | 94.70% | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 | |
| 2025.06.28 | Round 8: Ozsakallioglu, Okan - Isik, Alparslan | 8.15 | 2025.06.28 Isik, Alparslan (34506896) (2480) | 0 | 74.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.06.27 | Round 7: Hasirci, Ozgur Deniz - Ozsakallioglu, Okan | 7.23 | 2025.06.27 Hasirci, Ozgur Deniz (34594760) (2149) | 1 | 95.30% | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 | |
| 2025.06.26 | Round 6: Ozsakallioglu, Okan - Kantor, Gergely | 6.10 | 2025.06.26 Kantor, Gergely (751499) (2584) | 0 | 89.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.06.26 | Round 5: Guleryuz, Kuzey - Ozsakallioglu, Okan | 5.25 | 2025.06.26 Guleryuz, Kuzey (44500203) (2204) | 1 | 98.70% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2025.06.25 | Round 4: Ozsakallioglu, Okan - Sabirov, Rafael | 4.11 | 2025.06.25 Sabirov, Rafael (16241185) (2149) | 1 | 94.10% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.06.24 | Round 3: Metin, Enis - Ozsakallioglu, Okan | 3.26 | 2025.06.24 Metin, Enis (26306948) (2159) | ½ | 95.60% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.06.24 | Round 2: Ozsakallioglu, Okan - Yalcinkaya, Efe | 2.25 | 2025.06.24 Yalcinkaya, Efe (44506619) (2225) | ½ | 94.40% | 1. e4 c6 2. Nf3 d5 3. d3 dxe4 | |
| 2025.06.23 | Round 1: Demirtas, Alper - Ozsakallioglu, Okan | 1.7 | 2025.06.23 Demirtas, Alper (44576781) (2205) | ½ | 94.00% | 1. Nf3 d5 2. d4 Nf6 3. c4 c6 | |
| 2025.06.07 | Round 9: Ozsakallioglu, Okan - Xheladini, Mahmut | 9.9 | 2025.06.07 Xheladini, Mahmut (4627733) (2115) | 1 | 96.90% | 1. e4 c6 2. Nf3 d6 3. d4 Nd7 | |
| 2025.06.06 | Round 8: Rahimi, Rahim - Ozsakallioglu, Okan | 8.9 | 2025.06.06 Rahimi, Rahim (24663611) (2011) | ½ | 92.00% | 1. e4 d6 2. g3 g6 3. Bg2 Bg7 | |
| 2025.06.05 | Round 7: Asllani, Muhamet - Ozsakallioglu, Okan | 7.12 | 2025.06.05 Asllani, Muhamet (22100300) (2224) | 1 | 89.70% | 1. d4 d6 2. c4 e5 3. d5 Be7 | |
| 2025.06.04 | Round 6: Ozsakallioglu, Okan - Cilek, Bora | 6.8 | 2025.06.04 Cilek, Bora (34502165) (2266) | 0 | 85.10% | 1. e4 c5 2. Nf3 g6 3. d4 cxd4 | |
| 2025.06.03 | Round 5: Bernadskiy, Vitaliy - Ozsakallioglu, Okan | 5.2 | 2025.06.03 Bernadskiy, Vitaliy (14100371) (2497) | 0 | 92.30% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | |
| 2025.06.02 | Round 3: Koka, Osman - Ozsakallioglu, Okan | 3.7 | 2025.06.02 Koka, Osman (1303767) (2177) | 1 | - | 1. d4 d6 2. g3 g6 3. Bg2 Bg7 | |
| 2025.06.02 | Round 2: Ozsakallioglu, Okan - Berisha, Enver | 2.8 | 2025.06.02 Berisha, Enver (3600122) (2034) | 1 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.06.02 | Round 4: Ozsakallioglu, Okan - Isik, Alparslan | 4.2 | 2025.06.02 Isik, Alparslan (34506896) (2480) | ½ | - | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2024.11.08 | Round 1: Ozsakallioglu, Okan - Grandelius, Nils | 1.19 | 2024.11.08 Grandelius, Nils (1710400) (2645) | 0 | 91.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.10.07 | Round 11: Milanovic, Danilo - Ozsakallioglu, Okan | 11.3 | 2024.10.07 Milanovic, Danilo (915483) (2442) | 0 | 89.90% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.10.06 | Round 10: Ozsakallioglu, Okan - Matlakov, Maxim | 10.27 | 2024.10.06 Matlakov, Maxim (4168003) (2636) | ½ | 98.40% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | |
| 2024.10.05 | Round 9: Ozsakallioglu, Okan - Perunovic, Milos | 9.9 | 2024.10.05 Perunovic, Milos (921629) (2525) | ½ | 97.50% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2024.10.04 | Round 8: Draskovic, Luka - Ozsakallioglu, Okan | 8.33 | 2024.10.04 Draskovic, Luka (944335) (2503) | ½ | 98.50% | 1. Nf3 d5 2. e3 Nf6 3. c4 c6 | |
| 2024.10.03 | Round 7: Ozsakallioglu, Okan - Farkas, Tibor | 7.45 | 2024.10.03 Farkas, Tibor (933333) (2209) | 0 | 77.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.10.02 | Round 6: Pap, Misa - Ozsakallioglu, Okan | 6.27 | 2024.10.02 Pap, Misa (921610) (2389) | 1 | 88.60% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2024.10.01 | Round 5: Ozsakallioglu, Okan - Bogosavljevic, Boban | 5.15 | 2024.10.01 Bogosavljevic, Boban (931152) (2484) | 0 | 91.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.09.30 | Round 4: Sedlak, Nikola - Ozsakallioglu, Okan | 4.58 | 2024.09.30 Sedlak, Nikola (922900) (2417) | ½ | 96.10% | 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 | |
| 2024.09.29 | Round 3: Ozsakallioglu, Okan - Nenezic, Marko | 3.21 | 2024.09.29 Nenezic, Marko (912123) (2492) | 1 | 94.90% | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 | |
| 2024.09.28 | Round 2: Stankovic, Milos - Ozsakallioglu, Okan | 2.15 | 2024.09.28 Stankovic, Milos (938190) (2459) | 0 | 87.70% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2024.09.27 | Round 1: Ozsakallioglu, Okan - Kovacevic, Aleksandar | 1.27 | 2024.09.27 Kovacevic, Aleksandar (903124) (2455) | 1 | 95.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.08.19 | 29. Troya Uluslararasi Acik Satranc Turnuvasi | 2 | 2024.08.19 Rahmanov, Shahriyar (13402285) (2208) | 1 | 97.70% | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 | |
| 2024.07.26 | Turkiye Is bankasi Super Ligi | 15 | 2024.07.26 Tarhan, Adar (34544712) (2475) | 1 | 93.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2024.07.25 | Turkiye Is bankasi Super Ligi | 14 | 2024.07.25 Citak, Selim (6301819) (2377) | 0 | 89.10% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2024.07.24 | Turkiye Is bankasi Super Ligi | 13 | 2024.07.24 Arat, Ufuk Sezen (6309089) (2381) | ½ | 88.50% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.07.23 | Turkiye Is bankasi Super Ligi | 12 | 2024.07.23 Buyukasik, Diyap (6319602) (2225) | 1 | 97.20% | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 | |
| 2024.07.22 | Turkiye Is bankasi Super Ligi | 11 | 2024.07.22 Korobov, Anton (14105730) (2654) | 0 | 93.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.07.21 | Turkiye Is bankasi Super Ligi | 10 | 2024.07.21 Firat, Burak (6305881) (2437) | 0 | 89.40% | 1. e4 c5 2. Nf3 e6 3. g3 Nc6 | |
| 2024.07.21 | Turkiye Is bankasi Super Ligi | 9 | 2024.07.21 Sanal, Vahap (6300545) (2567) | 0 | 84.60% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2024.07.20 | Turkiye Is bankasi Super Ligi | 8 | 2024.07.20 Brkic, Ante (14506688) (2637) | 0 | 87.60% | 1. e4 c5 2. Nf3 e6 3. Be2 Nc6 | |
| 2024.07.19 | Turkiye Is bankasi Super Ligi | 7 | 2024.07.19 Poormosavi, Seyed Kian (12585807) (2381) | ½ | 95.00% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 | |
| 2024.07.18 | Turkiye Is bankasi Super Ligi | 6 | 2024.07.18 Samani, Yamac (6352634) (2360) | ½ | 91.70% | 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2024.07.17 | Turkiye Is bankasi Super Ligi | 4 | 2024.07.17 Isik, Alparslan (34506896) (2472) | ½ | 97.90% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.07.16 | Turkiye Is bankasi Super Ligi | 3 | 2024.07.16 Agdelen, Huseyin Can (6352260) (2410) | ½ | 97.30% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2024.07.15 | Turkiye Is bankasi Super Ligi | 2 | 2024.07.15 Petkov, Momchil (2921642) (2497) | 0 | 93.90% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 | |
| 2024.07.14 | Turkiye Is bankasi Super Ligi | 1 | 2024.07.14 Baglan, Esat (6309216) (2357) | ½ | 98.30% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.06.28 | Uluslararasi Cesme Open | 7 | 2024.06.28 Eke, Salih (6397573) (2251) | 0 | 88.20% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.06.27 | Uluslararasi Cesme Open | 6 | 2024.06.27 Zerey, Demhat (51608871) (2038) | 0 | 86.00% | 1. d4 d5 2. Bf4 c5 3. e3 Nc6 | |
| 2024.06.27 | Uluslararasi Cesme Open | 5 | 2024.06.27 Barrish, Daniel (14304600) (2256) | ½ | 96.70% | 1. e4 c6 2. Nf3 d5 3. d3 dxe4 | |
| 2024.06.25 | Uluslararasi Cesme Open | 4 | 2024.06.25 Ozcan, Kaan (34566422) (2227) | ½ | 98.90% | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 | |
| 2024.06.25 | Uluslararasi Cesme Open | 3 | 2024.06.25 Bicer, Atakan Mert (34560645) (2314) | ½ | 95.50% | 1. e4 c6 2. Nf3 d5 3. d3 dxe4 | |
| 2024.06.24 | Uluslararasi Cesme Open | 2 | 2024.06.24 Selbes, Tamer Tarik (6302513) (2183) | 1 | 95.30% | 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 | |
| 2024.06.23 | Uluslararasi Cesme Open | 1 | 2024.06.23 Zakirov, Musa (44189222) (2112) | 1 | 98.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.03.22 | Round 9: Ozsakallioglu, Okan - Kuru, Atilla | 2024.03.22 Kuru, Atilla (51607948) (2246) | ½ | 97.20% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2024.03.21 | Round 8: David, Alexandru-Vasile - Ozsakallioglu, Okan | 2024.03.21 David, Alexandru-Vasile (1223453) (2360) | ½ | 96.70% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | ||
| 2024.03.21 | Round 7: Ozsakallioglu, Okan - Yermolinsky, Alex | 2024.03.21 Yermolinsky, Alex (2005492) (2421) | ½ | 97.40% | 1. e4 c6 2. Nf3 d5 3. d3 dxe4 | ||
| 2024.03.20 | Round 6: Aydin, Gulenay - Ozsakallioglu, Okan | 2024.03.20 Aydin, Gulenay (34557431) (2152) | 1 | 93.60% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | ||
| 2024.03.20 | Round 5: Baltag, Iulian - Ozsakallioglu, Okan | 2024.03.20 Baltag, Iulian (13901419) (2412) | ½ | 95.90% | 1. e4 c5 2. Nf3 e6 3. b3 b6 | ||
| 2024.03.19 | Round 4: Ozsakallioglu, Okan - Gur, Ali | 2024.03.19 Gur, Ali (51684349) (1848) | 1 | 92.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.03.19 | Round 3: Kazimova, Narmin - Ozsakallioglu, Okan | 2024.03.19 Kazimova, Narmin (13402951) (2147) | 1 | 85.90% | 1. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 | ||
| 2024.03.18 | Round 2: Ozsakallioglu, Okan - Gunduz, Umut Erdem | 2024.03.18 Gunduz, Umut Erdem (6381383) (2314) | 1 | 96.90% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | ||
| 2024.03.18 | Round 1: Yalcinkaya, Efe - Ozsakallioglu, Okan | 2024.03.18 Yalcinkaya, Efe (44506619) (2085) | 1 | 96.10% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | ||
| 2023.06.25 | Cesme Open | 9 | 2023.06.25 Rzayev, Bahruz (13403036) | ½ | 90.20% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2023.06.23 | Cesme Open | 7 | 2023.06.23 Ahadzade, Kanan | ½ | 92.70% | 1. e4 c6 2. Nf3 d5 3. d3 dxe4 | |
| 2023.06.20 | Cesme Open | 4 | 2023.06.20 Petriashvili, Nikoloz (13611216) | ½ | 95.40% | 1. d4 d5 2. Nf3 Nf6 3. c3 g6 | |
| 2023.06.20 | Cesme Open | 3 | 2023.06.20 Gonzalez, Perez Arian | 1 | 92.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.06.20 | Cesme Open | 2 | 2023.06.20 Isik, Alparslan (34506896) | 0 | 90.70% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2023.06.19 | Cesme Open | 1 | 2023.06.19 Akbas, Umut Ata (44572646) | 1 | 89.10% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2023.03.03 | European Championship | 1 | 2023.03.03 Mchedlishvili, Mikheil (13600966) (2569) | ½ | 95.40% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| Round 9: Bagaturov, Giorgi - Ozsakallioglu, Okan | 9.1 | Bagaturov, Giorgi (13600133) (2314) | ½ | 96.00% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | ||
| Round 8: Ozsakallioglu, Okan - Uzdemir, Ali Poyraz | 8.4 | Uzdemir, Ali Poyraz (51619733) (2198) | 1 | 96.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| Round 7: Karademir, Bugra - Ozsakallioglu, Okan | 7.5 | Karademir, Bugra (34569405) (2144) | 1 | 94.10% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | ||
| Round 6: Yilmazer, Emir Arda - Ozsakallioglu, Okan | 6.4 | Yilmazer, Emir Arda (26311950) (1948) | ½ | 88.70% | 1. e4 c6 2. d4 g6 3. h3 Bg7 | ||
| Round 5: Ozsakallioglu, Okan - Abdurakhmonov, Mukhammadali | 5.2 | Abdurakhmonov, Mukhammadali (14207346) (2363) | ½ | 92.00% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| Round 4: Ozsakallioglu, Okan - Umarov, Bekhruz | 4.3 | Umarov, Bekhruz (14217937) (2169) | ½ | 93.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| Round 3: Oz, Ege - Ozsakallioglu, Okan | 3.5 | Oz, Ege (26391600) (1962) | 1 | 96.20% | 1. e4 c5 2. b3 e6 3. Nf3 Nc6 | ||
| Round 2: Ozsakallioglu, Okan - Ergin, Sahin | 2.8 | Ergin, Sahin (34591257) (2030) | 1 | 92.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | ||
| Round 1: Simsek, Ayaz - Ozsakallioglu, Okan | 1.6 | Simsek, Ayaz (26366096) (2110) | ½ | - | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | ||
| Round 9: Ozsakallioglu, Okan - Demirag, Batuhan | 9.19 | Demirag, Batuhan (6356133) (1862) | 1 | 93.40% | 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 | ||
| Round 8: Eke, Salih - Ozsakallioglu, Okan | 8.19 | Eke, Salih (6397573) (2187) | ½ | - | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | ||
| Round 7: Ozsakallioglu, Okan - Topuz, Mirac Melih | 7.31 | Topuz, Mirac Melih (26364611) (2191) | ½ | 94.90% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| Round 6: Dirikolu, Deniz - Ozsakallioglu, Okan | 6.13 | Dirikolu, Deniz (44568894) (2221) | 0 | 83.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2023.12.12 | Round 9: Robert Baskin - Okan Ozsakallioglu | 2023.12.12 Robert Baskin (2472) | ½ | 96.50% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | ||
| 2023.12.11 | Round 8: Okan Ozsakallioglu - Zaur Mammadov | 2023.12.11 Zaur Mammadov (2408) | ½ | 97.20% | 1. e4 c6 2. Nf3 d5 3. d3 Qc7 | ||
| 2023.12.10 | Round 7: Ivan Ivanisevic - Okan Ozsakallioglu | 2023.12.10 Ivan Ivanisevic (2529) | * | 96.00% | 1. d4 Nf6 2. c4 c6 3. Nf3 d5 | ||
| 2023.12.10 | Round 6: Arda Camlar - Meylis Annaberdiyev | 2023.12.10 Zvonko Stanojoski (2392) | 1 | 93.50% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | ||
| 2023.12.09 | Round 5: Eltaj Safarli - Okan Ozsakallioglu | 2023.12.09 Eltaj Safarli (2609) | ½ | 93.20% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | ||
| 2023.12.08 | Round 4: Okan Ozsakallioglu - Vuk Miletic | 2023.12.08 Vuk Miletic (2193) | 1 | 96.10% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | ||
| 2023.12.08 | Round 3: Meylis Annaberdiyev - Okan Ozsakallioglu | 2023.12.08 Meylis Annaberdiyev (2458) | 0 | 80.50% | 1. e4 c5 2. Nf3 e6 3. b3 Nc6 | ||
| 2023.12.07 | Round 2: Okan Ozsakallioglu - Alexander Krastev | 2023.12.07 Alexander Krastev (2447) | 1 | 97.10% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | ||
| 2023.12.06 | Round 1: Sandra Djukic - Okan Ozsakallioglu | 2023.12.06 Sandra Djukic (2136) | 1 | 91.00% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | ||
| 2023.10.08 | Round 11: Slavisa Milanovic - Okan Ozsakallioglu | 2023.10.08 Slavisa Milanovic (2316) | ½ | 99.10% | 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 | ||
| 2023.10.07 | Round 10: Okan Ozsakallioglu - Atakan Mert Bicer | 2023.10.07 Atakan Mert Bicer (2304) | 1 | 94.10% | 1. e4 c6 2. Nf3 d5 3. d3 dxe4 | ||
| 2023.10.06 | Round 9: Ozgun Sahin - Okan Ozsakallioglu | 2023.10.06 Ozgun Sahin (2173) | ½ | 96.20% | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 | ||
| 2023.10.05 | Round 8: Okan Ozsakallioglu - Vuk Djordjevic | 2023.10.05 Vuk Djordjevic (2373) | 1 | 93.30% | 1. e4 e6 2. d4 d5 3. Nd2 h6 | ||
| 2023.10.04 | Round 6: Esat Baglan - Okan Ozsakallioglu | 2023.10.04 Esat Baglan (2329) | ½ | 98.00% | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | ||
| 2023.10.03 | Round 2: Novak Cabarkapa - Okan Ozsakallioglu | 2023.10.03 Novak Cabarkapa | ½ | 96.00% | 1. e4 c5 2. Nf3 e6 3. Be2 Nc6 | ||
| 2023.10.03 | Round 3: Okan Ozsakallioglu - Ilija Stanojevic | 2023.10.03 Ilija Stanojevic | 1 | 91.00% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 | ||
| 2023.10.03 | Round 5: Okan Ozsakallioglu - Emir Dizdarevic | 2023.10.03 Emir Dizdarevic (2372) | 1 | 96.60% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | ||
| 2023.09.16 | Round 9: Huseyin Said Deveci - Okan Ozsakallioglu | 2023.09.16 Huseyin Said Deveci | 0 | 91.20% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | ||
| 2023.09.16 | Round 8: Okan Ozsakallioglu - Vaso Blesic | 2023.09.16 Vaso Blesic | ½ | 97.60% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | ||
| 2023.09.15 | Round 7: Okan Ozsakallioglu - Aryan Gholami | 2023.09.15 Aryan Gholami | 1 | 95.40% | 1. e4 c6 2. Nf3 d5 3. d3 g6 | ||
| 2023.09.14 | Round 6: Vugar Rasulov - Okan Ozsakallioglu | 2023.09.14 Vugar Rasulov | ½ | 91.70% | 1. e4 e5 2. Bc4 Nf6 3. d3 c6 | ||
| 2023.09.14 | Round 5: Melih Yurtseven - Okan Ozsakallioglu | 2023.09.14 Melih Yurtseven | 0 | 90.50% | 1. c4 c6 2. e4 d5 3. exd5 cxd5 | ||
| 2023.09.13 | Round 4: Okan Ozsakallioglu - Mark Pavlov | 2023.09.13 Mark Pavlov | ½ | 93.50% | 1. e4 e6 2. d4 d5 3. Nd2 Be7 | ||
| 2023.09.12 | Round 3: Okan Ozsakallioglu - Seyed Kian Poormosavi | 2023.09.12 Seyed Kian Poormosavi | ½ | 94.80% | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 | ||
| 2023.09.12 | Round 2: Bryce Tiglon - Okan Ozsakallioglu | 2023.09.12 Bryce Tiglon | ½ | 98.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2023.09.11 | Round 1: Konstantine Shanava - Okan Ozsakallioglu | 2023.09.11 Konstantine Shanava | 0 | 83.40% | 1. e4 c5 2. b3 d6 3. Bb2 Nc6 | ||
| 2023.09.09 | Round 9: Seyed Kian Poormosavi - Okan Ozsakallioglu | 2023.09.09 Seyed Kian Poormosavi | 0 | 89.80% | 1. e4 c5 2. Nf3 e6 3. b3 Nc6 | ||
| 2023.09.09 | Round 8: Okan Ozsakallioglu - Hasan Huseyin Celik | 2023.09.09 Hasan Huseyin Celik | 0 | 88.70% | 1. c4 Nf6 2. Nc3 e5 3. e3 Bb4 | ||
| 2023.09.08 | Round 7: Okan Ozsakallioglu - Mikhail Bryakin | 2023.09.08 Mikhail Bryakin | 0 | 79.30% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | ||
| 2023.09.07 | Round 6: Vugar Rasulov - Okan Ozsakallioglu | 2023.09.07 Vugar Rasulov | 0 | 90.10% | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 | ||
| 2023.09.07 | Round 5: Ali Alper Celik - Okan Ozsakallioglu | 2023.09.07 Ali Alper Celik | 1 | 88.50% | 1. e4 d6 2. d4 g6 3. Nc3 Bg7 | ||
| 2023.09.06 | Round 4: Okan Ozsakallioglu - Bryce Tiglon | 2023.09.06 Bryce Tiglon | 0 | 86.00% | 1. e4 e6 2. d3 c5 3. g3 Nc6 | ||
| 2023.09.05 | Round 3: Isik Can - Okan Ozsakallioglu | 2023.09.05 Isik Can | 0 | 85.00% | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 | ||
| 2023.09.05 | Round 2: Okan Ozsakallioglu - Atilla Kuru | 2023.09.05 Atilla Kuru | 1 | 94.20% | 1. e4 c5 2. Nf3 e6 3. c3 Nf6 | ||
| 2023.09.04 | Round 1: Okan Ozsakallioglu - Konstantine Shanava | 2023.09.04 Konstantine Shanava | 0 | 87.80% | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 | ||
| 2023.06.22 | Cesme Open | 6 | 2023.06.22 Can,, Melih Kaan | 1 | 89.50% | 1. c4 g6 2. d4 Bg7 3. Nc3 d6 | |
| 2023.06.22 | Cesme Open | 5 | 2023.06.22 Kilic,, Eray | 0 | 79.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 |