2025 British Championship: AM Under 1900
Open SwissStandard
50 players participated in this 6-round tournament, held from 04 Aug 2025 to 09 Aug 2025 in Liverpool, England. 7 federations represented. Top 10 Elo average was 1832, and top seed was Trefor F Thynne (🇬🇧 ENG, 1896).
Paul May (🇬🇧 ENG, 1815) won with 5.0/6, ahead of Dale Westcott (5.0) and Ben Graff (4.5). May shared the lead from round 2, winning on tie-break.
The biggest upset came in round 5: Darya Byelashova (1428) beat Stephen Williams (1690), a +262-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
Federations · 7 represented
🇬🇧England×40
🇬🇧Wales×5
🇭🇰Hong Kong China×1
🇮🇪Ireland×1
🇺🇸United States of America×1
🇷🇴Romania×1
🇩🇪Germany×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 6 roundsTight race until R6; 2 players tied at 5.0/6, decided on Buchholz. Title race narrowed from 2 co-leaders at R4 to 2 at the finish.
Co-leaders
16
5
2
2
2
2
R6 · TIEBREAK CLUSTER
2 players finish on 5.0/6. May takes the title on Buchholz Cut1 (20.5).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Paul May drew with Dale Westcott (White).
WIN STREAKS · 2 top finishers
Paul May 3 wins (R1–R3)Dale Westcott 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Paul May | * | ½ | ½ | 1 |
| 2Dale Westcott | ½ | * | — | ½ |
| 3Ben Graff | ½ | — | * | — |
| 4Andrew Di-Vetta | 0 | ½ | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | May, Paul | 1815 | ENG | +32B | +10N | +4B | =2B | +19N | =3N | 5.0 | 20.5 | 23.0 | 18.25 | 2044 | +32.6 |
| 2 | Westcott, Dale | 1781 | WLS | +41N | +26B | +12B | =1N | +7B | =4N | 5.0 | 19.5 | 21.5 | 16.75 | 2033 | +36.6 |
| 3 | Graff, Ben | 1809 | ENG | +49N | +37B | =6N | =19B | +9N | =1B | 4.5 | 17.5 | 18.5 | 12.50 | 1936 | +19.4 |
| 4 | Di-Vetta, Andrew | 1768 | WLS | +40N | +46B | −1N | +36B | +35N | =2B | 4.5 | 16.5 | 18.0 | 10.50 | 1831 | +6.6 |
| 5 | Barnes, David | 1758 | ENG | =9N | +38B | +25N | =6B | −8N | +19B | 4.0 | 17.0 | 19.0 | 11.25 | 1864 | +32.7 |
| 6 | Coward, Neil | 1768 | ENG | F | +45N | =3B | =5N | +11B | +13N | 4.0 | 17.0 | 17.0 | 12.75 | 1988 | +27.4 |
| 7 | Jacob, Sydney J | 1868 | ENG | +44N | =25B | =9N | +21B | −2N | +39B | 4.0 | 16.0 | 17.5 | 9.50 | 1790 | -9.4 |
| 8 | Hirst, Joe A J | 1855 | ENG | F | =11N | +28B | =34N | +5B | +20N | 4.0 | 15.5 | 15.5 | 12.50 | 1963 | +12.4 |
| 9 | Sengupta, Sohana | 1597 | ENG | =5B | +13N | =7B | +12N | −3B | =16N | 3.5 | 19.5 | 23.0 | 12.75 | 1857 | +82.0 |
| 10 | Cann, Arthur | 1677 | ENG | +39N | −1B | =22N | +15B | −13B | +36N | 3.5 | 17.0 | 19.0 | 9.00 | 1787 | +24.4 |
| 11 | Schmerwitz, Reinhard | 1736 | GER | =43N | =8B | +26N | +18B | −6N | =22B | 3.5 | 17.0 | 18.5 | 10.25 | 1792 | +8.2 |
| 12 | Gartside, Carl | 1818 | ENG | +30N | +36B | −2N | −9B | =26N | +25B | 3.5 | 16.0 | 18.0 | 8.25 | 1696 | -16.0 |
| 13 | Harskin, Robin P S | 1792 | ENG | =29N | −9B | +43N | +25B | +10N | −6B | 3.5 | 16.0 | 17.5 | 8.75 | 1726 | -14.8 |
| 14 | Boztas, Lana | 1561 | ENG | −25N | +17B | +44N | −35B | =21N | +33B | 3.5 | 14.0 | 15.5 | 9.00 | 1900 | +44.6 |
| 15 | Murrell, Mark R A | 1807 | ENG | −20B | +31N | =45B | −10N | +30B | +28N | 3.5 | 14.0 | 15.5 | 8.25 | 1675 | -17.8 |
| 16 | Sedykh, Stakhey | 1756 | ENG | =38N | =43B | =29N | +27B | =39N | =9B | 3.5 | 12.5 | 14.0 | 8.25 | 1661 | -18.8 |
| 17 | Dean, Robert A | 1766 | ENG | −27B | −14N | +47B | +50N | =40B | +37N | 3.5 | 11.5 | 12.0 | 5.00 | 1680 | -12.6 |
| 18 | McGhee, David | 1855 | WLS | F | =28N | +50B | −11N | +36B | +29N | 3.5 | 11.0 | 11.0 | 6.25 | 1811 | -5.0 |
| 19 | Thynne, Trefor F | 1896 | ENG | +34B | =20N | +27B | =3N | −1B | −5N | 3.0 | 19.0 | 21.5 | 8.75 | 1732 | -25.2 |
| 20 | OGorman, Brendan | 1689 | ENG | +15N | =19B | =21N | +23B | F | −8B | 3.0 | 16.5 | 16.5 | 9.50 | 1894 | +28.0 |
| 21 | Tarbuck, Laurence J M | 1758 | ENG | +47B | =27N | =20B | −7N | =14B | =40N | 3.0 | 15.0 | 16.5 | 7.00 | 1653 | -16.6 |
| 22 | Holmes, Thalia | 0 | ENG | =28B | =50N | =10B | =31N | =37B | =11N | 3.0 | 14.0 | 14.5 | 7.25 | 1692 | 0.0 |
| 23 | Matthews, Adrian M S | 1796 | ENG | F | =29B | +30N | −20N | =31B | +27N | 3.0 | 13.0 | 13.0 | 7.50 | 1649 | -11.8 |
| 24 | Walker, Adrian | 1803 | ENG | −37N | −30B | +41N | −26B | +38N | +44B | 3.0 | 11.0 | 12.5 | 5.50 | 1727 | -19.2 |
| 25 | Colclough, Ryan | 1739 | WLS | +14B | =7N | −5B | −13N | +46B | −12N | 2.5 | 18.5 | 20.0 | 7.00 | 1610 | -16.8 |
| 26 | Ng, Yi Him Ryan | 1632 | HKG | +42B | −2N | −11B | +24N | =12B | F | 2.5 | 17.0 | 17.0 | 6.75 | 1782 | +40.0 |
| 27 | Pride, Stephen C | 1597 | ENG | +17N | =21B | −19N | −16N | +42B | −23B | 2.5 | 16.0 | 18.0 | 7.00 | 1733 | +19.6 |
| 28 | Blin, Henri | 1704 | ENG | =22N | =18B | −8N | =38B | +43N | −15B | 2.5 | 16.0 | 17.5 | 5.75 | 1645 | -16.0 |
| 29 | Orsborne, Sarah | 0 | ENG | =13B | =23N | =16B | +42N | F | −18B | 2.5 | 15.5 | 15.5 | 7.00 | 1794 | 0.0 |
| 30 | Mayers, Tom | 1699 | ENG | −12B | +24N | −23B | =46N | −15N | +43B | 2.5 | 14.5 | 16.0 | 5.25 | 1671 | 0.0 |
| 31 | O Hanlon, Joe | 1660 | IRL | =35N | −15B | +33N | =22B | =23N | F | 2.5 | 14.5 | 14.5 | 6.75 | 1792 | +10.6 |
| 32 | Horlock, Peter J | 1698 | ENG | −1N | =39B | =38N | =43B | −33N | +48B | 2.5 | 13.0 | 14.5 | 4.25 | 1545 | -19.6 |
| 33 | Carter, Benjamin | 1774 | ENG | −45B | =47N | −31B | +48N | +32B | −14N | 2.5 | 11.5 | 13.0 | 4.75 | 1540 | -73.2 |
| 34 | Bowman, Richard L | 1726 | ENG | −19N | +41B | +46N | =8B | F | F | 2.5 | 10.5 | 10.5 | 5.50 | 1803 | +6.0 |
| 35 | Pearcey, David F | 0 | ENG | =31B | +?N | F | +14N | −4B | F | 2.5 | 10.5 | 10.5 | 4.75 | 1687 | 0.0 |
| 36 | Spirling, Florence | 1733 | ENG | +48B | −12N | +40B | −4N | −18N | −10B | 2.0 | 17.0 | 18.5 | 3.50 | 1568 | -47.9 |
| 37 | Eagle, Joe | 1688 | ENG | +24B | −3N | =42B | F | =22N | −17B | 2.0 | 16.0 | 16.0 | 5.50 | 1700 | +1.0 |
| 38 | Santosh Kumar, Darsh | 1579 | ENG | =16B | −5N | =32B | =28N | −24B | =42N | 2.0 | 15.5 | 17.5 | 5.25 | 1623 | +12.8 |
| 39 | Ledgerton, Joe | 0 | ENG | −10B | =32N | F | +45N | =16B | −7N | 2.0 | 15.0 | 15.0 | 4.50 | 1656 | 0.0 |
| 40 | Devalia, Aadishesh | 1613 | ENG | −4B | F | −36N | +44B | =17N | =21B | 2.0 | 14.5 | 14.5 | 4.75 | 1676 | +16.0 |
| 41 | Strugar, Ioan-Euzeb | 1659 | ROU | −2B | −34N | −24B | F | +49N | +45B | 2.0 | 13.0 | 13.0 | 2.50 | 1658 | -0.4 |
| 42 | Farrar, Gordon | 1770 | ENG | −26N | +49B | =37N | −29B | −27N | =38B | 2.0 | 11.5 | 12.5 | 3.00 | 1566 | -27.8 |
| 43 | Horwood, Alexander | 1500 | ENG | =11B | =16N | −13B | =32N | −28B | −30N | 1.5 | 15.5 | 18.0 | 4.75 | 1588 | +20.4 |
| 44 | Robinson, Brian | 1717 | ENG | −7B | +48N | −14B | −40N | =47B | −24N | 1.5 | 14.0 | 15.5 | 2.25 | 1450 | -40.8 |
| 45 | Mehta, Sophie | 1646 | ENG | +33N | −6B | =15N | −39B | F | −41N | 1.5 | 14.0 | 14.0 | 4.25 | 1665 | +2.8 |
| 46 | Bulman, Dominic | 0 | ENG | F | −4N | −34B | =30B | −25N | +49B | 1.5 | 13.0 | 13.0 | 2.25 | 1538 | 0.0 |
| 47 | Collins, Nigel | 1589 | ENG | −21N | =33B | −17N | =49B | =44N | F | 1.5 | 11.5 | 11.5 | 2.50 | 1593 | 0.0 |
| 48 | Byelashova, Darya | 1428 | USA | −36N | −44B | =49N | −33B | +50B | −32N | 1.5 | 9.5 | 10.0 | 1.00 | 1524 | +22.4 |
| 49 | Lawrence, Roy | 1693 | ENG | −3B | −42N | =48B | =47N | −41B | −46N | 1.0 | 11.5 | 13.0 | 1.50 | 1411 | -69.6 |
| 50 | Williams, Stephen | 1690 | WLS | F | =22B | −18N | −17B | −48N | F | 0.5 | 11.5 | 11.5 | 1.50 | 883 | -29.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Sengupta, SohanaENG+82.03.5 pts · #7
- 2Boztas, LanaENG+44.63.5 pts · #8
- 3Ng, Yi Him RyanHKG+40.02.5 pts · #27
Top rating losers
- 1Carter, BenjaminENG-73.22.5 pts · #20
- 2Lawrence, RoyENG-69.61.0 pts · #48
- 3Spirling, FlorenceENG-47.92.0 pts · #35
Biggest upsets
- R5+262 Elo gap
- R4+221 Elo gap
- R6+213 Elo gap