2nd Oxford FIDE Congress - U2300
Open SwissStandard
9 players participated in this 5-round tournament, held from 20 Sept 2025 to 21 Sept 2025 in Kennington, England. 4 federations represented. Top 10 Elo average was 1624, and top seed was Colin Purdon (🇬🇧 ENG, 1968).
Adam Sieczkowski (🇵🇱 POL, 1886) won with 4.5/5, ahead of Mayank Palav (3.0) and Yueyue Sui (2.5). Sieczkowski won solo starting round 2.
The biggest upset came in round 4: Mayank Palav (1745) beat Colin Purdon (1968), a +223-point gap.
Location
🇬🇧Kennington, England
Dates
20 Sept 2025 → 21 Sept 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Swiss · 5 rounds
Federations · 4 represented
🇬🇧England×6
🇮🇹Italy×1
🇵🇱Poland×1
🇬🇧Wales×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsAdam Sieczkowski led from R2; +1.5-point edge over the runner-up.
Co-leaders
2
1
1
1
1
R2–R5 · LEAD HELD
Adam Sieczkowski never relinquished the lead after R2; final gap +1.5 over the runner-up.
R1–R4 · WIN STREAK
Adam Sieczkowski won 4 in a row (R1–R4).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Adam Sieczkowski | * | — | ½ | 1 |
| 2Mayank Palav | — | * | ½ | — |
| 3Yueyue Sui | ½ | ½ | * | ½ |
| 4Matthew A Holmes | 0 | — | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Sieczkowski, Adam | 1886 | POL | +6B | +5N | +9B | +4N | =3B | 4.5 | 7.5 | 8.5 | 7.25 | 2159 | +23.2 |
| 2 | Palav, Mayank | 1745 | ENG | −5N | =3N | +7B | +8B | =6N | 3.0 | 7.0 | 8.5 | 5.00 | 1999 | +52.0 |
| 3 | Sui, Yueyue | 1748 | ENG | =4N | =2B | F | +5B | =1N | 2.5 | 11.0 | 11.0 | 6.25 | 1820 | +12.0 |
| 4 | Holmes, Matthew A | 1828 | ENG | =3B | =8N | +6N | −1B | −7N | 2.0 | 10.0 | 11.5 | 3.50 | 1750 | -10.8 |
| 5 | Steventon, Christopher | 0 | ENG | +2B | −1B | F | −3N | =8N | 1.5 | 11.5 | 11.5 | 3.75 | 1750 | 0.0 |
| 6 | Pearson, Charlie | 1784 | ENG | −1N | F | −4B | +7N | =2B | 1.5 | 11.0 | 11.0 | 3.00 | 1709 | -17.2 |
| 7 | Poderico, Francesco | 1724 | ITA | =8B | −9N | −2N | −6B | +4B | 1.5 | 8.0 | 9.0 | 2.75 | 1702 | -3.6 |
| 8 | Purdon, Colin | 1968 | ENG | =7N | =4B | F | −2N | =5B | 1.5 | 8.0 | 8.0 | 2.50 | 1641 | -25.4 |
| 9 | Moyse, Nigel John | 1933 | WLS | F | +7B | −1N | F | F | 1.0 | 6.0 | 6.0 | 1.50 | 1805 | -6.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Palav, MayankENG+52.03.0 pts · #2
- 2Sieczkowski, AdamPOL+23.24.5 pts · #1
- 3Sui, YueyueENG+12.02.5 pts · #4
Top rating losers
- 1Purdon, ColinENG-25.41.5 pts · #9
- 2Pearson, CharlieENG-17.21.5 pts · #6
- 3Holmes, Matthew AENG-10.82.0 pts · #3
Biggest upsets
- R4+223 Elo gap
- R5+104 Elo gap