CChessStats

2025 British Championship: AM Open

Open SwissStandard

39 players participated in this 6-round tournament, held from 04 Aug 2025 to 09 Aug 2025 in Liverpool, England. 7 titled players from 8 federations. Top 10 Elo average was 2075, and top seed was David J Walker (🇬🇧 ENG, FM, 2218).

Matthew Dignam (🇮🇪 IRL, CM, 2164) won with 5.5/6, ahead of Mikhail Sedykh (5.0) and David J Walker (5.0). Dignam won solo starting round 5.

The biggest upset came in round 1: Timothy Davis (1848) beat Mike J Surtees (2055), a +207-point gap.

Location
🇬🇧Liverpool, England
Dates
04 Aug 2025 → 09 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇬🇧FMDavid J Walker2218
Avg top 10
2,075
Participants
39
Titled players · 7
FM×1
CM×3
WCM×3
Federations · 8 represented
🇬🇧England×27
🇬🇧Scotland×3
🇮🇪Ireland×2
🇭🇰Hong Kong China×1
🇮🇷Iran×1
🇬🇧Wales×1
🇱🇰Sri Lanka×1
🇮🇳India×1
Top 3
  • 🥇
    🇮🇪IRL·2164
    5.5pts·2454perf+33.4
  • 🥈
    🇬🇧ENG·2159
    5.0pts·2270perf+16.4
  • 🥉
    🇬🇧ENG·2218
    5.0pts·2265perf+6.6

How it unfolded

Top 6 · 6 rounds

CM Matthew Dignam led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.

Co-leaders
16
7
3
2
1
1
1.534.56R1R2R3R4R5R6
R5–R6 · LEAD HELD

CM Matthew Dignam held the sole lead from R5 through R6 without losing it.

R6 · HEAD-TO-HEAD · WINNER VS 2ND

CM Matthew Dignam drew with FM David J Walker (White).

WIN STREAKS · 3 top finishers

CM Matthew Dignam 5 wins (R1–R5)FM David J Walker 3 wins (R3–R5)Mikhail Sedykh 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1CMMatthew Dignam*
½
1
1
2FMDavid J Walker
½
*——
3Mikhail Sedykh
0
—*—
4WCMNina Pert
0
——*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Dignam, MatthewCM2164IRL+10B+23N+4B+2N+6B=3B5.522.024.021.502454+33.4
2Sedykh, Mikhail2159ENG+26N+11B+7N−1B+9N+6B5.020.522.517.002270+16.4
3Walker, David JFM2218ENG+12N=14B+17B+5N+15B=1N5.019.522.518.252265+6.6
4Pert, NinaWCM1975ENG+33N+9B−1N+25B+13N=7B4.518.019.512.002148+54.0
5Vaddhireddy, Sai1972ENG=20B+30N+18B−3B+11N+13B4.517.019.012.752127+23.8
6Villiers, ThomasCM2156ENG+36N+31B+16N+14B−1N−2N4.018.519.59.002122-3.4
7Potter, John M2015ENG+27B+24N−2B=10N+20B=4N4.017.519.510.502028+2.6
8Gunathilake, M D Vinuda ShenalCM1851SRI−13N+37B=11N+28B=16N+14B4.014.515.08.752044+62.0
9Davis, Timothy1848ENG+15B−4N+23B+17N−2B=10N3.519.021.09.752040+30.6
10Siu, Kam Wa1893HKG−1N+34B+21N=7B=14N=9B3.518.520.09.251976+13.6
11Chapman, Luke1921ENG+29B−2N=8B+24N−5B+20N3.518.020.08.501939+6.8
12Patton, Zachary1899SCO−3B+27N+32N−13B=18B+25N3.515.017.07.501980+18.0
13Bhatia, KanishkaWCM2067SCO+8B−17N+36B+12N−4B−5N3.019.520.58.501911-49.6
14Brown, Tom1961ENG+39B=3N+20B−6N=10B−8N3.019.019.06.751913-7.4
15Surtees, Mike J2055ENG−9N+33B+19N+16B−3NF3.017.519.07.502010-5.0
16Freeman, Luke1963ENG+25N+19B−6B−15N=8B=18N3.017.019.08.501919-14.4
17Collinson, Mark I1900ENG+28N+13B−3N−9B+33BF3.016.518.06.502004+13.4
18Munshi, Aryan1841SCO=22N+21B−5N=31B=12N=16B3.016.018.08.001909+19.6
19Faulkner, Martin J1818ENG+38B−16N−15B−29N+39N+34B3.010.010.02.001828+0.2
20Nguyen, Lam Vy Le1807ENG=5N+22B−14N+26B−7N−11B2.517.519.56.751896+26.4
21Holmes, Matthew A1776ENG+35B−18N−10B=23N=34B=30N2.512.013.03.751793+1.8
22Heritage, Jamie1972ENG=18B−20N=38B=32N+29BF2.510.010.04.751832-36.8
23Kilshaw, Joe1918ENG+34N−1B−9N=21B=30BF2.015.517.03.751785-18.4
24Sui, Yueyue1739ENG+37N−7B+26N−11B−31NF2.013.514.02.501848+26.8
25Mize, Dylan1791USA−16B+38N+30B−4NF−12B2.013.513.52.501840+6.0
26Hughes, Padraig1877IRL−2B+29N−24B−20N−27B+39N2.013.513.52.001622-33.2
27Swiatkowski, Aram1844ENG−7N−12B−34N=35B+26N=32B2.013.014.03.501753-14.4
28Om Reddy Jayar1686IND−17BF=31N−8N+32B=33N2.012.512.53.751777+14.3
29Pyun, Lindsay1762ENG−11N−26B=37N+19B−22N=35N2.012.012.53.751784+6.4
30Al Haidar, Hussam1750ENGF−5B−25N+37B=23N=21B2.011.511.52.751802+12.8
31Schweitzer, Zubin1870ENGF−6N=28B=18N+24BF2.011.011.04.501856-4.8
32Honarvarmahalati, Hooman1778IRIF+35N−12B=22B−28N=27N2.011.011.03.251798+1.8
33Sheikh, AnumWCM1842ENG−4B−15NF+39B−17N=28B1.513.513.51.001582-23.6
34Berkley, Stephen W1748ENG−23B−10N+27BF=21N−19N1.513.013.03.251701-6.4
35Rastogi, Nayan Keats1948ENG−21N−32BF=27NF=29B1.010.010.02.001597-73.2
36Collins, Jonathan1868ENG−6B+39N−13NFFF1.07.07.00.001312-8.0
37Vickery, Jim E1915ENG−24B−8N=29B−30NFF0.510.010.01.001454-44.8
38Jukes, Sam1972WLS−19N−25B=22NFFF0.57.57.51.251588-28.8
39FIDE 3434772750—−14N−36BF−33N−19B−26B0.010.510.50.0010740.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets
2025 British Championship: AM Open — Liverpool, England | Chess Tournament Results | ChessStats