Player profile
O`cuilleanain, Oisin
Dossier
70 of 84 games analyzed.
Accuracy: 90.1%
Opened e4: 19/25Opened c4: 5/25Opened Nf3: 1/25
Castled kingside: 48Same-side castling: 45Castled queenside: 5Opposite-side castling: 4Did not castle: 4
Played in the center: 26Fianchettoed queenside: 20Fianchettoed kingside: 19Played on the queenside: 12Played on the kingside: 10
Sacrificed material: 41Active pieces: 40Space advantage: 38Initiated exchanges: 38Kept the bishop pair: 37Backward pawn: 28Isolated pawn: 23Missed tactics: 15Avoided exchanges: 12Played gambits: 6
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 33 games 14W 5D 13L
Sicilian Defense 15 games 8W 2D 5L
Najdorf Variation 5 games 4W 0D 1L
Lipnitsky Attack
2 games
1W
0D
1L
(unspecified)
1 game
1W
0D
0L
Zagreb Variation
1 game
1W
0D
0L
Opocensky Variation
1 game
1W
0D
0L
Nyezhmetdinov-Rossolimo Attack 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
O'Kelly Variation 1 game 0W 0D 1L
Réti System
1 game
0W
0D
1L
Moscow Variation 1 game 1W 0D 0L
Main Line
1 game
1W
0D
0L
Accelerated Dragon 1 game 0W 1D 0L
Maróczy Bind
1 game
0W
1D
0L
Classical Variation 1 game 0W 0D 1L
Sozin Attack
1 game
0W
0D
1L
Lasker-Pelikan Variation 1 game 0W 0D 1L
Sveshnikov Variation, Chelyabinsk Variation
1 game
0W
0D
1L
French Variation 1 game 1W 0D 0L
Open
1 game
1W
0D
0L
Old Sicilian 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Hyperaccelerated Pterodactyl 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
English Opening 4 games 1W 1D 2L
Anglo-Indian Defense 2 games 1W 1D 0L
King's Indian Formation, Double Fianchetto
1 game
0W
1D
0L
Anglo-Grünfeld Variation
1 game
1W
0D
0L
Agincourt Defense 2 games 0W 0D 2L
Neo-Catalan Declined
1 game
0W
0D
1L
(unspecified)
1 game
0W
0D
1L
Ruy Lopez 3 games 1W 2D 0L
Closed 1 game 0W 1D 0L
Martinez Variation
1 game
0W
1D
0L
Berlin Defense 1 game 0W 1D 0L
Anti-Berlin Variation
1 game
0W
1D
0L
Open 1 game 1W 0D 0L
Classical Defense
1 game
1W
0D
0L
French Defense 2 games 0W 0D 2L
King's Indian Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Tarrasch Variation 1 game 0W 0D 1L
Closed Variation
1 game
0W
0D
1L
Italian Game 2 games 1W 0D 1L
Classical Variation 2 games 1W 0D 1L
Giuoco Pianissimo
2 games
1W
0D
1L
Catalan Opening 1 game 1W 0D 0L
Closed 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Indian Defense 1 game 1W 0D 0L
Fianchetto Variation 1 game 1W 0D 0L
Nimzowitsch Variation
1 game
1W
0D
0L
Pirc Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Zukertort Opening 1 game 1W 0D 0L
Reversed Grünfeld 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Dutch Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Caro-Kann Defense 1 game 0W 0D 1L
Two Knights Attack 1 game 0W 0D 1L
Mindeno Variation, Exchange Line
1 game
0W
0D
1L
King's Indian Attack 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
As Black 38 games 19W 6D 13L
Sicilian Defense 19 games 10W 2D 7L
Najdorf Variation 9 games 4W 0D 5L
English Attack
4 games
2W
0D
2L
Petronić Attack
1 game
0W
0D
1L
Zagreb Variation
1 game
0W
0D
1L
Amsterdam Variation
1 game
0W
0D
1L
Adams Attack
1 game
1W
0D
0L
(unspecified)
1 game
1W
0D
0L
Alapin Variation 4 games 2W 2D 0L
(unspecified)
2 games
1W
1D
0L
Barmen Defense
1 game
0W
1D
0L
Smith-Morra Declined
1 game
1W
0D
0L
Moscow Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Kronberger Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Dragon Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Closed 1 game 0W 0D 1L
Carlsen Variation
1 game
0W
0D
1L
Delayed Alapin Variation 1 game 1W 0D 0L
with d6
1 game
1W
0D
0L
Kan Variation 1 game 1W 0D 0L
Knight Variation
1 game
1W
0D
0L
King's Indian Defense 3 games 0W 2D 1L
Fianchetto Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Normal Variation 1 game 0W 0D 1L
Rare Defenses
1 game
0W
0D
1L
Queen's Gambit Declined 3 games 3W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Knight Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Ragozin Defense 1 game 1W 0D 0L
Alekhine Variation
1 game
1W
0D
0L
Queen's Pawn Game 2 games 1W 1D 0L
Torre Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Barry Attack 1 game 1W 0D 0L
Grünfeld Variation
1 game
1W
0D
0L
English Opening 2 games 0W 0D 2L
Symmetrical Variation 2 games 0W 0D 2L
(unspecified)
1 game
0W
0D
1L
Hedgehog Defense
1 game
0W
0D
1L
Nimzo-Indian Defense 2 games 0W 1D 1L
Three Knights Variation 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Torre Attack 1 game 1W 0D 0L
Fianchetto Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Grünfeld Defense 1 game 1W 0D 0L
Three Knights Variation 1 game 1W 0D 0L
Petrosian System
1 game
1W
0D
0L
Zukertort Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Bogo-Indian Defense 1 game 1W 0D 0L
Retreat Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Catalan Opening 1 game 1W 0D 0L
Open Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Old Indian Defense 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Indian Defense 1 game 0W 0D 1L
Petrosian Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 251
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 84 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.08.09 | Round 9: Venkatesan, Kavin - O`cuilleanain, Oisin | 9.4 | 2026.08.09 Venkatesan, Kavin (2512602) (2297) | ½ | 94.60% | 1. c4 g6 2. d4 Nf6 3. Nf3 Bg7 | |
| 2026.08.08 | Round 8: O`cuilleanain, Oisin - Liu, Jason | 8.6 | 2026.08.08 Liu, Jason (2514656) (2161) | ½ | 91.10% | 1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 | |
| 2026.08.07 | Round 7: Freeman, Gordon - O`cuilleanain, Oisin | 7.8 | 2026.08.07 Freeman, Gordon (2501309) (2068) | 1 | 92.10% | 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 | |
| 2026.08.06 | Round 6: O`cuilleanain, Oisin - Ivanov, Andrey A. | 6.6 | 2026.08.06 Ivanov, Andrey A. (2514311) (2085) | 0 | 82.60% | 1. e4 e6 2. d3 d5 3. Qe2 Be7 | |
| 2026.08.05 | Round 5: Tureshbayev, Anuar - O`cuilleanain, Oisin | 5.2 | 2026.08.05 Tureshbayev, Anuar (651081709) (2250) | 0 | 87.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.04 | Round 4: O`cuilleanain, Oisin - Woods, Yannick | 4.3 | 2026.08.04 Woods, Yannick (2518384) (2118) | 1 | 92.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.03 | Round 3: Daly, Colm - O`cuilleanain, Oisin | 3.6 | 2026.08.03 Daly, Colm (2500434) (2182) | 1 | 84.60% | 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 | |
| 2026.08.02 | Round 2: O`cuilleanain, Oisin - Voogt, Declan | 2.12 | 2026.08.02 Voogt, Declan (2517388) (1849) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.08.01 | Round 1: Burke, Kevin A. - O`cuilleanain, Oisin | 1.12 | 2026.08.01 Burke, Kevin A. (2501520) (1896) | ½ | 88.30% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2026.06.01 | Round 6: O`cuilleanain, Oisin - Nichenametla V, Advaith | 6.6 | 2026.06.01 Nichenametla V, Advaith (2516896) (1956) | 1 | 90.50% | 1. c4 Nf6 2. Nf3 e6 3. d4 d5 | |
| 2026.06.01 | Round 5: Melaugh, Shane - O`cuilleanain, Oisin | 5.9 | 2026.06.01 Melaugh, Shane (2509580) (2223) | 1 | 96.40% | 1. c4 e6 2. Nf3 d5 3. e3 Nf6 | |
| 2026.05.31 | Round 4: O`cuilleanain, Oisin - Fil, Alkim Alper | 4.8 | 2026.05.31 Fil, Alkim Alper (6309747) (1930) | 0 | 85.80% | 1. e4 c5 2. Nf3 a6 3. g3 b5 | |
| 2026.05.31 | Round 3: Andhurthi, Sreeyan - O`cuilleanain, Oisin | 3.9 | 2026.05.31 Andhurthi, Sreeyan (2523531) (1930) | 1 | 97.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.05.30 | Round 2: O`cuilleanain, Oisin - Barnes, Oliver | 2.9 | 2026.05.30 Barnes, Oliver (2517604) (1966) | 0 | 90.70% | 1. c4 Nf6 2. g3 e6 3. Bg2 d5 | |
| 2026.05.30 | Round 1: Hughes, Padraig - O`cuilleanain, Oisin | 1.7 | 2026.05.30 Hughes, Padraig (2505690) (1962) | 0 | 78.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.04.26 | Round 5: O`cuilleanain, Oisin - Arun, Nitish | 5.7 | 2026.04.26 Arun, Nitish (2524201) (2227) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | |
| 2026.04.26 | Round 4: Sean J. Murphy - O`cuilleanain, Oisin | 4.1 | 2026.04.26 Sean J. Murphy | 1 | 86.80% | 1. d4 d5 2. c4 e6 3. Nc3 Bb4 | |
| 2026.04.25 | Round 3: Delaney, Killian - O`cuilleanain, Oisin | 3.1 | 2026.04.25 Delaney, Killian (2501570) (2306) | ½ | 96.60% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2026.04.25 | Round 2: O`cuilleanain, Oisin - Nordgreen, Jan Thomas | 2.13 | 2026.04.25 Nordgreen, Jan Thomas (24516260) (1953) | 1 | - | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2026.04.24 | Round 1: Peter Hayes - O`cuilleanain, Oisin | 1.19 | 2026.04.24 Peter Hayes | ½ | - | 1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 | |
| 2026.04.19 | Round 9: Gkavardinas, Antonios - O`cuilleanain, Oisin | 9.6 | 2026.04.19 Gkavardinas, Antonios (25883097) (2286) | 0 | 91.30% | 1. e4 c5 2. Nf3 d6 3. d4 Nf6 | |
| 2026.04.15 | Round 4: Sofronie, Iulian - O`cuilleanain, Oisin | 4.7 | 2026.04.15 Sofronie, Iulian (1202936) (2355) | 0 | 79.90% | 1. Nf3 d5 2. e3 Nf6 3. b3 b6 | |
| 2026.04.14 | Round 2: Nikolov, Momchil - O`cuilleanain, Oisin | 2.6 | 2026.04.14 Nikolov, Momchil (2905710) (2412) | 0 | 88.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.03.08 | Round 4: O`cuilleanain, Oisin - Melaugh, Shane | 4.2 | 2026.03.08 Melaugh, Shane (2509580) (2214) | 0 | 87.20% | 1. c4 e6 2. Nf3 d5 3. g3 d4 | |
| 2026.03.08 | Round 3: Bartczak, Korneliusz - O`cuilleanain, Oisin | 3.4 | 2026.03.08 Bartczak, Korneliusz (2523558) (2120) | 1 | 96.40% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2026.03.07 | Round 2: O`cuilleanain, Oisin - Artemenko, Oleg | 2.2 | 2026.03.07 Artemenko, Oleg (14201798) (2313) | ½ | 96.40% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.03.07 | Round 1: Bolkeny, Gabor - O`cuilleanain, Oisin | 1.7 | 2026.03.07 Bolkeny, Gabor (729043) (1850) | 1 | - | 1. e4 c5 2. Na3 d6 3. c3 Nf6 | |
| 2026.02.22 | Round 5: Cummins, Sean - O`cuilleanain, Oisin | 5.3 | 2026.02.22 Cummins, Sean (2512084) (1874) | 1 | 95.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.02.22 | Round 4: O`cuilleanain, Oisin - Hushpit, Lukian | 4.10 | 2026.02.22 Hushpit, Lukian (14189208) (2100) | ½ | 90.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.02.22 | Round 3: Maguire, Tallann - O`cuilleanain, Oisin | 3.12 | 2026.02.22 Maguire, Tallann (2520257) (1936) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.02.01 | Sligo 2026 Weekender Masters | 5.3 | 2026.02.01 O`Gorman, Alice (2508214) (2010) | 1 | 98.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.02.01 | Sligo 2026 Weekender Masters | 4.4 | 2026.02.01 Duggan, Dylan (2535343) (1881) | 1 | 98.30% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2025.12.03 | Round 9: Hariharan, Shambavi - O`cuilleanain, Oisin | 9.49 | 2025.12.03 Hariharan, Shambavi (488160) (2020) | ½ | 95.10% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.12.02 | Round 8: Gurevich, Artjom - O`cuilleanain, Oisin | 8.48 | 2025.12.02 Gurevich, Artjom (2603870) (2163) | 1 | 93.10% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | |
| 2025.12.01 | Round 7: O`cuilleanain, Oisin - Khachatouri, Saro | 7.49 | 2025.12.01 Khachatouri, Saro (1638076) (2103) | 0 | 75.70% | 1. e4 d6 2. d4 Nf6 3. Bd3 e5 | |
| 2025.11.30 | Round 6: Farberov, Maxim - O`cuilleanain, Oisin | 6.41 | 2025.11.30 Farberov, Maxim (2070944) (2133) | 0 | 81.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.11.30 | Round 5: O`cuilleanain, Oisin - Varney, Zoe | 5.45 | 2025.11.30 Varney, Zoe (436135) (2062) | ½ | 93.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2025.11.29 | Round 4: Hng, Mei-En Emmanuelle - O`cuilleanain, Oisin | 4.49 | 2025.11.29 Hng, Mei-En Emmanuelle (5804566) (2125) | 1 | 80.90% | 1. e4 c5 2. d4 cxd4 3. c3 Nf6 | |
| 2025.11.28 | Round 3: O`cuilleanain, Oisin - Schmider, Niklas | 3.43 | 2025.11.28 Schmider, Niklas (12993778) (2423) | 0 | 81.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.11.28 | Round 2: Langheinrich, Ferenc - O`cuilleanain, Oisin | 2.30 | 2025.11.28 Langheinrich, Ferenc (4641973) (2334) | 0 | 51.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.11.27 | Round 1: O`cuilleanain, Oisin - Czopor, Maciej | 1.22 | 2025.11.27 Czopor, Maciej (21805431) (2463) | 0 | 90.70% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2025.07.16 | Najdorf Memorial | 9.25 | 2025.07.16 Swara Lakshmi S Nair (25629239) (2187) | 1 | 97.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.07.16 | Najdorf Memorial | 4.13 | 2025.07.16 Janeczko, Jakub (21871655) (2282) | 0 | - | 1. e4 c5 2. Nc3 d6 3. d4 cxd4 | |
| 2025.07.15 | Najdorf Memorial | 8.36 | 2025.07.15 Rzeszowski, Dominik (1188950) (2001) | 1 | 94.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.07.14 | Najdorf Memorial | 7.23 | 2025.07.14 Mickiewicz, Piotr (1114891) (2224) | 0 | 87.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.07.13 | Najdorf Memorial | 6.33 | 2025.07.13 Kazmierowski, Tymon (21863911) (2138) | 1 | 96.70% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | |
| 2025.07.13 | Najdorf Memorial | 5.28 | 2025.07.13 Salgado Allaria, Carlos (2203804) (2188) | 0 | - | 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 | |
| 2025.07.11 | Najdorf Memorial | 2.14 | 2025.07.11 Golecki, Jan (1184008) (2279) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 | |
| 2025.07.10 | Najdorf Memorial | 3.2 | 2025.07.10 Sengupta, Deep (5008352) (2497) | 0 | 88.90% | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 | |
| 2025.07.08 | Najdorf Memorial | 1.15 | 2025.07.08 Golis, Wiktor (21055874) (2319) | 1 | 94.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.06.02 | Round 6: Ivanov, Andrey A. - O`cuilleanain, Oisin | 6.5 | 2025.06.02 Ivanov, Andrey A. (2514311) (2120) | 0 | 91.10% | 1. Nf3 c5 2. c4 b6 3. Nc3 Bb7 | |
| 2025.06.02 | Round 5: O`cuilleanain, Oisin - Kholyavko, Kirill | 5.6 | 2025.06.02 Kholyavko, Kirill (34110879) (1998) | 1 | - | 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 | |
| 2025.06.01 | Round 4: Artemenko, Oleg - O`cuilleanain, Oisin | 4.3 | 2025.06.01 Artemenko, Oleg (14201798) (2269) | 0 | 89.60% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.06.01 | Round 3: O`cuilleanain, Oisin - Gallagher, Brian | 3.6 | 2025.06.01 Gallagher, Brian (2512556) (1911) | 1 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.30 | Round 1: O`cuilleanain, Oisin - Palacios Sanchez, Victor | 1.8 | 2025.05.30 Palacios Sanchez, Victor (24515027) (1857) | 1 | 97.70% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.05.29 | Round 2: Kanyamarala, Tarun - O`cuilleanain, Oisin | 2.1 | 2025.05.29 Kanyamarala, Tarun (45004714) (2400) | 0 | - | 1. c4 c5 2. Nc3 Nf6 3. g3 e6 | |
| 2025.04.21 | Round 7: Shriman K - O`cuilleanain, Oisin | 7.4 | 2025.04.21 Shriman K (35073036) (1915) | 1 | 97.00% | 1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 | |
| 2025.04.20 | Round 6: O`cuilleanain, Oisin - Melaugh, Shane | 6.3 | 2025.04.20 Melaugh, Shane (2509580) (2182) | 0 | - | 1. d4 d5 2. c4 e6 3. Nf3 f5 | |
| 2025.04.20 | Round 5: Ozarpaci, Mert Can - O`cuilleanain, Oisin | 5.5 | 2025.04.20 Ozarpaci, Mert Can (34520651) (1797) | 1 | 95.40% | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 | |
| 2025.04.20 | Round 4: O`cuilleanain, Oisin - Kesare, Aarav | 4.7 | 2025.04.20 Kesare, Aarav (2518848) (1768) | 1 | 97.40% | 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 | |
| 2025.04.19 | Round 3: Holm, Kristian Stuvik - O`cuilleanain, Oisin | 3.1 | 2025.04.19 Holm, Kristian Stuvik (1508083) (2500) | 0 | 77.90% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | |
| 2025.04.19 | Round 2: O`cuilleanain, Oisin - Voogt, Declan | 1.6 | 2025.04.19 Voogt, Declan (2517388) (1831) | 1 | 95.50% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.04.18 | Round 1: Joe O'Hanlon - O`cuilleanain, Oisin | 1.6 | 2025.04.18 Joe O'Hanlon | 1 | - | 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 | |
| 2025.01.16 | praha2025 | 8.19 | 2025.01.16 Rindhiya V (25040529) (1999) | 0 | 85.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.01.14 | praha2025 | 6.20 | 2025.01.14 Topencik, Bruno (23716550) (1984) | 0 | 91.10% | 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 | |
| 2024.06.03 | Round 6: O`cuilleanain, Oisin - Artemenko, Oleg | 2024.06.03 Artemenko, Oleg (14201798) (2246) | ½ | 96.70% | 1. e4 c5 2. Nf3 g6 3. d4 Bg7 | ||
| 2024.06.03 | Round 5: O`cuilleanain, Oisin - Murphy, Sean J. | 2024.06.03 Murphy, Sean J. (2512742) (2063) | 1 | 93.60% | 1. c4 Nf6 2. Nf3 g6 3. Nc3 d5 | ||
| 2024.06.02 | Round 4: Andrey A. Ivanov - O`cuilleanain, Oisin | 2024.06.02 Andrey A. Ivanov | 1 | 97.40% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2024.06.02 | Round 3: O`cuilleanain, Oisin - Collins, Adam | 2024.06.02 Collins, Adam (2512300) (2162) | * | 85.40% | 1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 | ||
| 2024.06.01 | Round 2: Flynn, Jacob - O`cuilleanain, Oisin | 2024.06.01 Flynn, Jacob (2509393) (2190) | ½ | 92.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| 2024.03.28 | Grenke Chess Open 2024 | 1.20 | 2024.03.28 Heberla, Bartlomiej (1115120) (2539) | 0 | 89.10% | 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2023.07.19 | Open A | 9.14 | 2023.07.19 Kolb, Tobias (12992321) (2325) | 0 | 86.70% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2023.07.17 | Open A | 8.17 | 2023.07.17 Reuker, Jari (12909300) (2428) | ½ | 91.80% | 1. Nf3 d5 2. e3 Nf6 3. c4 e6 | |
| 2023.07.17 | Open A | 7.20 | 2023.07.17 Kucharska, Honorata (1163868) (2246) | 1 | 89.00% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2023.07.16 | Open A | 6.30 | 2023.07.16 Warchol, Kamil (21858241) (2010) | 1 | 91.80% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2023.07.15 | Open A | 5.21 | 2023.07.15 Pasti, Aron (785857) (2336) | 0 | 90.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.07.14 | Open A | 4.27 | 2023.07.14 Maryasin Boris (ISR) (2266) | 1 | 97.40% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2023.07.13 | Open A | 3.30 | 2023.07.13 Shirinyan, Daniel (443751) (2055) | ½ | 98.10% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2023.07.12 | Open A | 2.35 | 2023.07.12 Arvind Ramnath Iyer (5062160) (1897) | ½ | 83.90% | 1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 | |
| 2023.07.11 | Open A | 1.15 | 2023.07.11 Jablonicky, Martin (14925621) (2400) | 0 | 84.40% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 | |
| 2023.07.11 | Piestany B | 1.15 | 2023.07.11 Jablonicky, Martin (14925621) (1451) | 1 | 90.50% | 1. e4 e5 2. c3 Nf6 3. d4 d5 | |
| 2023.01.13 | Prague Open | Czech Tour | 9 | 2023.01.13 Ochedzan, Tymon (21810389) (2236) | 0 | 74.50% | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 | |
| 2023.01.12 | Prague Open | Czech Tour | 8 | 2023.01.12 Krasovskiy, Kirill (24178314) (2188) | 1 | 93.90% | 1. d4 e6 2. Nf3 Nf6 3. c4 d5 | |
| 2023.04.06 | Ronda 2: Oisin O`cuilleanain - Jakub Kosakowski | 2023.04.06 Jakub Kosakowski | 0 | 86.30% | 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 |