17th Northwick Park Congress - U2400
Open SwissStandard
53 players participated in this 5-round tournament, held from 20 Dec 2025 to 21 Dec 2025 in London NW1, England. 14 titled players from 8 federations. Top 10 Elo average was 2199, and top seed was Stanley Badacsonyi (🇬🇧 ENG, FM, 2317).
Jacob D Yoon (🇬🇧 ENG, CM, 2165) won with 5.0/5, ahead of Robert S Eames (4.0) and Eugenia Karas (4.0). Yoon won solo starting round 4.
The biggest upset came in round 5: Shivam Sahoo (1791) beat Rock Yu (CM, 2055), a +264-point gap.
Location
🇬🇧London NW1, England
Dates
20 Dec 2025 → 21 Dec 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Titled players · 14
IM×1
FM×4
CM×7
WFM×2
Federations · 8 represented
🇬🇧England×39
🇮🇳India×4
🇬🇧Scotland×2
🇨🇳China×2
🇺🇬Uganda×1
🇮🇹Italy×1
🇲🇾Malaysia×1
ðŸ‡ðŸ‡°Hong Kong China×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsCM Jacob D Yoon led from R4; +1.0-point edge over the runner-up.
Co-leaders
21
8
2
1
1
R4–R5 · LEAD HELD
CM Jacob D Yoon never relinquished the lead after R4; final gap +1.0 over the runner-up.
R1–R5 · WIN STREAK
CM Jacob D Yoon won 5 in a row (R1–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1CMJacob D Yoon | * | — | — | — |
| 2WFMEugenia Karas | — | * | ½ | — |
| 3FMRobert S Eames | — | ½ | * | — |
| 4FMKoby Kalavannan | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Yoon, Jacob DCM | 2165 | ENG | +19N | +30B | +5N | +9B | +4N | 5.0 | 12.5 | 14.5 | 14.50 | 2844 | +34.4 |
| 2 | Eames, Robert SFM | 2110 | ENG | +52B | =18N | +32B | =3N | +6B | 4.0 | 12.0 | 12.0 | 8.75 | 2276 | +20.2 |
| 3 | Karas, EugeniaWFM | 2013 | ENG | =38B | +41N | +42B | =2B | +9N | 4.0 | 10.0 | 11.5 | 8.75 | 2246 | +58.8 |
| 4 | Xian, Junhao | 2160 | CHN | +24B | +13N | =6B | +18N | −1B | 3.5 | 14.0 | 16.5 | 9.75 | 2213 | +7.8 |
| 5 | Dupuis, Denis KCM | 2045 | ENG | +48N | +7B | −1B | +21N | =23B | 3.5 | 13.5 | 14.0 | 7.75 | 2277 | +62.0 |
| 6 | Balaji, AaravamudhanIM | 2270 | ENG | +50N | +15B | =4N | +20B | −2N | 3.5 | 13.0 | 13.5 | 7.75 | 2205 | -6.4 |
| 7 | Kalavannan, KobyFM | 2275 | ENG | +26B | −5N | +33B | =10N | +25B | 3.5 | 11.5 | 13.5 | 8.50 | 2135 | -14.0 |
| 8 | Badacsonyi, StanleyFM | 2317 | ENG | +39N | =20B | +10B | +31N | F | 3.5 | 9.0 | 9.0 | 7.75 | 2341 | +1.4 |
| 9 | Hill, Alistair | 2104 | ENG | +51N | +11B | +23N | −1N | −3B | 3.0 | 14.5 | 14.5 | 5.50 | 2095 | 0.0 |
| 10 | Liu, Yutong | 1922 | CHN | +21N | +14B | −8N | =7B | =12N | 3.0 | 13.0 | 15.5 | 8.75 | 2256 | +40.8 |
| 11 | Quillaud, Maxime | 1855 | ENG | +16B | −9N | =25B | =22N | +30B | 3.0 | 11.0 | 13.0 | 7.50 | 2105 | +66.0 |
| 12 | Bharat Kumar, Balahari | 2068 | ENG | =37B | +22N | −18B | +26N | =10B | 3.0 | 10.5 | 12.0 | 7.25 | 2007 | -15.2 |
| 13 | Chua, Chee Sian Sebastien | 2012 | MAS | +17N | −4B | F | +35N | +31B | 3.0 | 10.5 | 10.5 | 7.00 | 2187 | +18.4 |
| 14 | Sanitt, Ethan | 2092 | ENG | +47B | −10N | +39B | −15N | +18B | 3.0 | 10.0 | 11.0 | 5.00 | 2015 | -9.8 |
| 15 | Lucchi, Lorenzo | 2006 | ITA | +43B | −6N | +24B | +14B | F | 3.0 | 10.0 | 10.0 | 6.50 | 2207 | +20.6 |
| 16 | Clarke, Connor | 2058 | ENG | −11N | +51B | −19N | +37N | +34B | 3.0 | 9.0 | 9.0 | 3.50 | 1922 | -16.2 |
| 17 | Sahoo, Shivam | 1791 | ENG | −13B | +52N | F | +29B | +20N | 3.0 | 8.0 | 8.0 | 5.00 | 2187 | +80.8 |
| 18 | Leung, Hao Ran | 1962 | HKG | +40B | =2B | +12N | −4B | −14N | 2.5 | 13.5 | 15.0 | 6.50 | 2019 | +17.2 |
| 19 | Kumar, Arnav | 1913 | ENG | −1B | +34N | +16B | −36N | =21B | 2.5 | 12.5 | 14.5 | 6.25 | 2054 | +35.2 |
| 20 | Yu, RockCM | 2055 | ENG | +53B | =8N | +37B | −6N | −17B | 2.5 | 11.5 | 11.5 | 3.25 | 2018 | -9.6 |
| 21 | Manmay ChopraCM | 2170 | IND | −10B | +38N | +30B | −5B | =19N | 2.5 | 11.0 | 12.5 | 4.75 | 1937 | -56.8 |
| 22 | Fathallah, Joe | 1986 | WLS | =44N | −12B | +28N | =11B | =27N | 2.5 | 11.0 | 12.0 | 5.75 | 1858 | -16.6 |
| 23 | Bryant, HarryCM | 2207 | ENG | +35B | +25N | −9B | F | =5N | 2.5 | 11.0 | 11.0 | 6.25 | 2122 | -16.8 |
| 24 | Rubeck, Jonathan | 1913 | ENG | −4N | +45B | −15N | +33N | =32B | 2.5 | 10.5 | 11.5 | 4.00 | 2008 | +12.6 |
| 25 | Bansal, Saahil | 2015 | ENG | +45N | −23B | =11N | +43B | −7N | 2.5 | 10.0 | 11.0 | 3.50 | 1988 | -3.6 |
| 26 | Ward, Cian | 1947 | ENG | −7N | =27B | +48N | −12B | +43N | 2.5 | 10.0 | 10.5 | 2.75 | 1962 | +0.8 |
| 27 | Clarke, Niall | 1864 | ENG | −31B | =26N | +40B | =32N | =22B | 2.5 | 9.0 | 10.5 | 5.00 | 1947 | +11.4 |
| 28 | Clery, Liam | 1779 | ENG | +33B | −31N | −22B | =39N | +37B | 2.5 | 8.0 | 9.5 | 4.25 | 1978 | +50.4 |
| 29 | Verma, Shlok | 2025 | ENG | =41B | −37N | +38B | −17N | +40B | 2.5 | 7.5 | 9.0 | 3.75 | 1790 | -58.0 |
| 30 | McKay, Jonathan | 2000 | SCO | +34B | −1N | −21N | +45B | −11N | 2.0 | 12.5 | 13.5 | 3.00 | 1880 | -15.8 |
| 31 | Lebedev, LionCM | 2083 | ENG | +27N | +28B | F | −8B | −13N | 2.0 | 11.5 | 11.5 | 5.00 | 1993 | -18.0 |
| 32 | Varney, ZoeWFM | 2053 | ENG | F | +46B | −2N | =27B | =24N | 2.0 | 10.0 | 10.0 | 3.50 | 1956 | -10.4 |
| 33 | Kendall, Arthur | 2000 | ENG | −28N | +47B | −7N | −24B | +44N | 2.0 | 9.5 | 10.5 | 2.00 | 1839 | -43.2 |
| 34 | Calvert, George | 1747 | ENG | −30N | −19B | +51N | +46B | −16N | 2.0 | 8.5 | 8.5 | 1.00 | 1886 | +32.8 |
| 35 | Shivakumar, Akshath | 1943 | ENG | −23N | =48B | +44N | −13B | =46N | 2.0 | 7.5 | 8.0 | 1.75 | 1869 | -21.2 |
| 36 | Willmoth, Robert FCM | 2132 | ENG | +49N | F | F | +19B | F | 2.0 | 3.0 | 3.0 | 3.00 | 2703 | +8.4 |
| 37 | Imam-Sadeque, Ali | 1859 | ENG | =12N | +29B | −20N | −16B | −28N | 1.5 | 11.0 | 13.5 | 4.00 | 1848 | -2.2 |
| 38 | Gupta, Aditya | 1808 | ENG | =3N | −21B | −29N | F | +39B | 1.5 | 10.5 | 11.0 | 3.50 | 1955 | +25.6 |
| 39 | Faulkner, Adam | 1959 | ENG | −8B | +53N | −14N | =28B | −38N | 1.5 | 10.5 | 10.5 | 1.25 | 1821 | -40.0 |
| 40 | Saivigneash S M | 1662 | IND | −18N | =49B | −27N | +51B | −29N | 1.5 | 8.0 | 8.0 | 0.25 | 1775 | +22.0 |
| 41 | Venkatesh, Anuj | 1825 | ENG | =29N | −3B | +49N | F | F | 1.5 | 7.0 | 7.0 | 1.75 | 1977 | +24.0 |
| 42 | Kawuma, Steven MaleFM | 2186 | UGA | =46N | +44B | −3N | F | F | 1.5 | 6.0 | 6.0 | 1.50 | 1913 | -19.2 |
| 43 | Eldridge, Albert | 1781 | ENG | −15N | +50B | F | −25N | −26B | 1.0 | 8.5 | 8.5 | 0.50 | 1786 | +0.4 |
| 44 | Mehta, Sophie | 1725 | ENG | =22B | −42N | −35B | =47N | −33B | 1.0 | 8.0 | 9.0 | 1.75 | 1744 | +1.6 |
| 45 | Abhishek, Pradhan | 1823 | IND | −25B | −24N | F | −30N | +47B | 1.0 | 8.0 | 8.0 | 1.00 | 1755 | -6.8 |
| 46 | Rastogi, Nayan Keats | 1939 | ENG | =42B | −32N | F | −34N | =35B | 1.0 | 7.5 | 7.5 | 1.75 | 1789 | -30.8 |
| 47 | Groves, Howard | 1865 | ENG | −14N | −33N | =50B | =44B | −45N | 1.0 | 7.0 | 7.5 | 0.75 | 1677 | -46.8 |
| 48 | Girija Kumar K | 1825 | IND | −5B | =35N | −26B | F | F | 0.5 | 8.0 | 8.0 | 1.00 | 1705 | -7.8 |
| 49 | Balmond, Tom | 1891 | ENG | −36B | =40N | −41B | F | F | 0.5 | 6.5 | 6.5 | 0.75 | 1601 | -42.8 |
| 50 | Kumar, Sachin | 1945 | ENG | −6B | −43N | =47N | F | F | 0.5 | 5.5 | 5.5 | 0.50 | 1699 | -38.4 |
| 51 | Clark, Eve | 1878 | SCO | −9B | −16N | −34B | −40N | F | 0.0 | 9.5 | 9.5 | 0.00 | 1094 | -38.4 |
| 52 | Voiculescu-Holvad, Stefan | 1883 | FRA | −2N | −17B | F | F | F | 0.0 | 7.0 | 7.0 | 0.00 | 1150 | -16.8 |
| 53 | Beattie, Conor | 1853 | ENG | −20N | −39B | F | F | F | 0.0 | 4.0 | 4.0 | 0.00 | 1208 | -24.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Sahoo, ShivamENG+80.83.0 pts · #9
- 2Quillaud, MaximeENG+66.03.0 pts · #17
- 3Dupuis, Denis KCMENG+62.03.5 pts · #7
Top rating losers
- 1Verma, ShlokENG-58.02.5 pts · #23
- 2Manmay ChopraCMIND-56.82.5 pts · #18
- 3Groves, HowardENG-46.81.0 pts · #45
Biggest upsets
- R5+264 Elo gap
- R1+248 Elo gap
- R4+234 Elo gap