Irish Championship Main Event 2025
Open SwissStandard
37 players participated in this 9-round tournament, held from 02 Aug 2025 to 10 Aug 2025 in Treacys West County Hotel, Limerick Road, Ennis, Co. Clare, V95 C9CT, Ireland. 14 titled players. Top 10 Elo average was 2199, and top seed was Conor O`Donnell (🇮🇪 IRL, FM, 2301).
Kavin Venkatesan (🇮🇪 IRL, FM, 2249) won with 6.5/9, ahead of Conor O`Donnell (6.5) and Oleg Gubanov (6.5). Venkatesan shared the lead from round 4, winning on tie-break.
The biggest upset came in round 3: Adam McCoy (1815) beat Atharva Paibir (2016), a +201-point gap.
Location
🇮🇪Treacys West County Hotel, Limerick Road, Ennis, Co. Clare, V95 C9CT, Ireland
Dates
02 Aug 2025 → 10 Aug 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 9 rounds
Titled players · 14
IM×1
FM×8
CM×5
Federations · 1 represented
🇮🇪Ireland×37
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsTight race until R9; 4 players tied at 6.5/9, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 4 at the finish.
Co-leaders
13
5
1
2
3
6
3
2
4
R9 · TIEBREAK CLUSTER
4 players finish on 6.5/9. Venkatesan takes the title on Buchholz Cut1 (46.5).
R8 · HEAD-TO-HEAD · WINNER VS 2ND
FM Kavin Venkatesan drew with IM Oleg Gubanov (White).
R3–R5 · WIN STREAK
IM Oleg Gubanov won 3 in a row (R3–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1FMKavin Venkatesan | * | ½ | ½ | — |
| 2IMOleg Gubanov | ½ | * | 1 | — |
| 3FMConor O`Donnell | ½ | 0 | * | — |
| 4CMPatryk Brozynski | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Venkatesan, KavinFM | 2249 | IRL | +15B | +17N | =6B | +11N | =2B | =9N | +8B | =3B | =5N | 6.5 | 46.5 | 51.0 | 35.75 | 2320 | +17.8 |
| 2 | O`Donnell, ConorFM | 2301 | IRL | =10N | +13B | =7N | +20B | =1N | +12B | −3N | +5B | +14N | 6.5 | 45.5 | 50.0 | 34.50 | 2299 | +2.0 |
| 3 | Gubanov, OlegIM | 2261 | IRL | +21N | −9B | +12B | +14N | +17B | =6N | +2B | =1N | =8B | 6.5 | 45.0 | 49.0 | 34.25 | 2325 | +7.7 |
| 4 | Brozynski, PatrykCM | 2121 | IRL | +34N | =7B | =11N | =5B | −10N | +13B | +18N | +28B | +9B | 6.5 | 40.5 | 42.5 | 28.50 | 2220 | +50.0 |
| 5 | Melaugh, ShaneFM | 2180 | IRL | +23B | +19N | −9B | =4N | +11B | +10N | +6B | −2N | =1B | 6.0 | 46.0 | 49.5 | 31.00 | 2240 | +14.8 |
| 6 | Liu, JasonFM | 2169 | IRL | +24B | +16N | =1N | +10B | =9N | =3B | −5N | =7B | +17N | 6.0 | 45.5 | 49.0 | 30.75 | 2249 | +40.8 |
| 7 | Flynn, JacobCM | 2237 | IRL | +22B | =4N | =2B | =28N | +19B | −8N | +14B | =6N | +16B | 6.0 | 43.0 | 46.0 | 29.00 | 2214 | -2.8 |
| 8 | Carroll, PeterFM | 2167 | IRL | +27N | −11B | =13N | +30B | +18N | +7B | −1N | +17B | =3N | 6.0 | 41.5 | 44.5 | 27.25 | 2220 | +14.0 |
| 9 | Daly, ColmFM | 2148 | IRL | +26B | +3N | +5N | F | =6B | =1B | =17N | +12B | −4N | 5.5 | 44.5 | 44.5 | 29.50 | 2283 | +29.0 |
| 10 | Govindaraju, Darun | 2005 | IRL | =2B | +37N | +36B | −6N | +4B | −5B | −12N | +24N | +19B | 5.5 | 39.5 | 40.5 | 20.25 | 2149 | +69.6 |
| 11 | Arun, NitishCM | 2041 | IRL | +32B | +8N | =4B | −1B | −5N | +22N | =19B | −14N | +31N | 5.0 | 41.0 | 44.0 | 21.00 | 2115 | +35.2 |
| 12 | Ivanov, Andrey A.CM | 2106 | IRL | =30N | +35B | −3N | +13B | +28B | −2N | +10B | −9N | =15B | 5.0 | 40.0 | 41.5 | 19.00 | 2069 | -15.6 |
| 13 | Barnes, Oliver | 2009 | IRL | +28B | −2N | =8B | −12N | +23B | −4N | =26B | +29N | +21B | 5.0 | 38.0 | 41.0 | 18.25 | 2069 | +26.8 |
| 14 | O`cuilleanain, Oisin | 2129 | IRL | =35N | =30B | +25N | −3B | +21N | +29B | −7N | +11B | −2B | 5.0 | 37.5 | 39.0 | 17.75 | 2071 | -11.2 |
| 15 | Braine, Harry | 1971 | IRL | −1N | +33B | −17B | =23N | +30N | −18B | +27N | +20B | =12N | 5.0 | 35.0 | 37.0 | 17.25 | 2067 | +43.6 |
| 16 | Paibir, Atharva | 2016 | IRL | +25N | −6B | −28N | +33B | −20N | +36B | +29N | +18B | −7N | 5.0 | 32.5 | 34.0 | 14.50 | 2025 | +3.6 |
| 17 | Hushpit, Lukian | 2144 | IRL | +31N | −1B | +15N | +21B | −3N | +20B | =9B | −8N | −6B | 4.5 | 44.0 | 47.0 | 19.25 | 2099 | -20.4 |
| 18 | Quinn, RoryFM | 2105 | IRL | =29B | −36N | +24B | +22N | −8B | +15N | −4B | −16N | +25B | 4.5 | 36.0 | 37.5 | 17.00 | 1979 | -29.0 |
| 19 | Bartczak, Korneliusz | 2055 | IRL | +33N | −5B | =30N | +36B | −7N | =28B | =11N | +22B | −10N | 4.5 | 34.0 | 35.5 | 12.50 | 1996 | -27.2 |
| 20 | Freeman, GordonFM | 2017 | IRL | =37B | =29N | +32B | −2N | +16B | −17N | =24B | −15N | +28N | 4.5 | 33.5 | 34.5 | 14.75 | 1963 | -13.4 |
| 21 | Woods, Yannick | 2015 | IRL | −3B | +26N | +29B | −17N | −14B | +31N | −28N | +23B | −13N | 4.0 | 34.0 | 37.0 | 13.00 | 1952 | -30.4 |
| 22 | Melaugh, Gavin | 2005 | IRL | −7N | =31B | +35N | −18B | +27N | −11B | +25N | −19N | F | 3.5 | 33.5 | 35.0 | 10.00 | 1950 | -12.6 |
| 23 | Dunne, Thomas Junior | 1945 | IRL | −5N | −25B | +31N | =15B | −13N | =33B | +32N | −21N | =26B | 3.5 | 33.0 | 35.0 | 11.25 | 1863 | -21.0 |
| 24 | McGrath, Mark | 1877 | IRL | −6N | =34B | −18N | =31B | +33N | +30B | =20N | −10B | F | 3.5 | 32.0 | 34.0 | 9.75 | 1937 | +10.8 |
| 25 | Voogt, Declan | 1821 | IRL | −16B | +23N | −14B | −29N | +32B | =26N | −22B | +27B | −18N | 3.5 | 31.5 | 34.5 | 11.75 | 1892 | +14.6 |
| 26 | Gallagher, Brian | 1905 | IRL | −9N | −21B | =27N | +35B | =36N | =25B | =13N | −31B | =23N | 3.5 | 29.5 | 31.0 | 10.00 | 1876 | -8.2 |
| 27 | Fox, Anthony | 1939 | IRL | −8B | −32N | =26B | +37N | −22B | +35N | −15B | −25N | +29B | 3.5 | 29.0 | 30.0 | 7.25 | 1839 | -25.4 |
| 28 | McCoy, Adam | 1815 | IRL | −13N | F | +16B | =7B | −12N | =19N | +21B | −4N | −20B | 3.0 | 40.5 | 40.5 | 14.25 | 1982 | +29.2 |
| 29 | Sheehan, Conor | 1859 | IRL | =18N | =20B | −21N | +25B | +34N | −14N | −16B | −13B | −27N | 3.0 | 35.0 | 37.0 | 10.00 | 1875 | +6.0 |
| 30 | Nichenametla V, Advaith | 1862 | IRL | =12B | =14N | =19B | −8N | −15B | −24N | −31B | +35N | =33B | 3.0 | 34.0 | 35.5 | 9.75 | 1863 | -4.8 |
| 31 | Comley, Jamie | 1893 | IRL | −17B | =22N | −23B | =24N | F | −21B | +30N | +26N | −11B | 3.0 | 30.5 | 31.5 | 10.00 | 1888 | -5.6 |
| 32 | Doolin, Nemhain | 1849 | IRL | −11N | +27B | −20N | −34B | −25N | +37B | −23B | +33N | −35B | 3.0 | 25.5 | 26.5 | 6.50 | 1791 | -28.4 |
| 33 | Perkin, Kenny | 1841 | IRL | −19B | −15N | F | −16N | −24B | =23N | +35B | −32B | =30N | 2.0 | 29.0 | 29.0 | 4.75 | 1736 | -43.2 |
| 34 | Murchadha, OissineCM | 1945 | IRL | −4B | =24N | =37B | +32N | −29B | F | F | F | F | 2.0 | 17.0 | 17.0 | 5.25 | 1836 | -15.2 |
| 35 | Rai, Oleksii | 1856 | IRL | =14B | −12N | −22B | −26N | F | −27B | −33N | −30B | +32N | 1.5 | 28.5 | 28.5 | 5.50 | 1704 | -60.0 |
| 36 | Geaney-O`brien, David | 1975 | IRL | F | +18B | −10N | −19N | =26B | −16N | F | F | F | 1.5 | 23.0 | 23.0 | 6.25 | 1868 | -14.2 |
| 37 | Ryan, Joshua | 1836 | IRL | =20N | −10B | =34N | −27B | F | −32N | F | F | F | 1.0 | 21.5 | 21.5 | 3.25 | 1711 | -14.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Govindaraju, DarunIRL+69.65.5 pts · #9
- 2Brozynski, PatrykCMIRL+50.06.5 pts · #4
- 3Braine, HarryIRL+43.65.0 pts · #13
Top rating losers
- 1Rai, OleksiiIRL-60.01.5 pts · #35
- 2Perkin, KennyIRL-43.22.0 pts · #34
- 3Woods, YannickIRL-30.44.0 pts · #21
Biggest upsets
- R3+201 Elo gap
- R7+200 Elo gap
- R2+130 Elo gap