CChessStats

59th Berks and Bucks Chess Congress - Challengers A

Open SwissStandard

13 players participated in this 6-round tournament, held from 23 Aug 2025 to 25 Aug 2025 in Maidenhead, England. Top 10 Elo average was 1461, and top seed was Duncan W Reed (🇬🇧 ENG, 1769).

Alejandro Lopez-Martinez (🇬🇧 ENG, 1761) won with 5.0/6, ahead of Lance G Carter (4.0) and Stephen W Berkley (4.0). Lopez-Martinez won solo starting round 5.

Location
🇬🇧Maidenhead, England
Dates
23 Aug 2025 → 25 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 6 rounds
Top seed
🇬🇧Duncan W Reed1769
Avg top 10
1,461
Participants
13
Federations · 1 represented
🇬🇧England×13
Top 3

How it unfolded

Top 6 · 6 rounds

Alejandro Lopez-Martinez led from R5; +1.0-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R5.

Co-leaders
6
4
2
3
1
1
1.534.56R1R2R3R4R5R6
R5–R6 · LEAD HELD

Alejandro Lopez-Martinez never relinquished the lead after R5; final gap +1.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Alejandro Lopez-Martinez lost to Stephen W Berkley (White).

WIN STREAKS · 2 top finishers

Alejandro Lopez-Martinez 3 wins (R1–R3)Stephen W Berkley 4 wins (R3–R6)

Key matchups · top 4

Head-to-head between the four finishers

Grille américaine

#PlayerEloFedR1R2R3R4R5R6PtsBu C1BuSBPerfΔ
1Lopez-Martinez, Alejandro1761ENG+10N+8B+2N3B+7N+4B5.017.018.514.501831+16.4
2Carter, Lance G1710ENG+9B+6N1B5N+10B+8N4.016.017.59.001769+11.6
3Berkley, Stephen W1748ENGF4B+11N+1N+5B+7B4.016.016.012.502447+22.4
4Birch, George0ENG+5B+3N7B=6N+9B1N3.518.520.511.0016550.0
5Korsuk, Dmitriy0ENG4N+10B+8N+2B3N=6B3.517.018.59.5016780.0
6Reed, Duncan W1769ENG+12N2B+9N=4B8N=5N3.015.516.56.501641-13.2
7OGorman, Brendan1690ENG+11N+12B+4NF1B3N3.014.514.55.501643-4.8
8Jafri, Yawar I0ENG+13B1N5B=10N+6B2B2.517.017.03.7516210.0
9Jafri, Zain0ENG2NF6B+11B4N+12B2.012.512.52.0016350.0
10Kamali, Kiyana1402ENG1B5NF=8B2N+13N1.515.015.01.251520+14.0
11Horwood, Alexander1492ENG7B+13N3B9NFF1.09.09.00.001509+2.0
12Raj Konwar, Daryan1572ENG6B7NFF+13B9N1.08.08.00.001516-9.6
13V, Krish1465ENG8N11BFF12N10B0.06.06.00.00688-56.4

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers