CChessStats

Coulsdon Chess Late Spring Standardplay Congress 2025 - Open

Open SwissStandard

16 players participated in this 5-round tournament, held from 25 May 2025 to 26 May 2025 in Coulsdon, England. 1 titled players from 3 federations. Top 10 Elo average was 1868, and top seed was Peter D Lalic (🇬🇧 ENG, CM, 2144).

Mohammad Hossein Mozaffari (🇮🇷 IRI, 1895) won with 4.0/5, ahead of Peter D Lalic (3.5) and Aditya Gupta (3.0). Mozaffari broke clear in the final round.

Location
🇬🇧Coulsdon, England
Dates
25 May 2025 → 26 May 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 5 rounds
Top seed
🇬🇧CMPeter D Lalic2144
Avg top 10
1,868
Participants
16
Titled players · 1
CM×1
Federations · 3 represented
🇬🇧England×14
🇮🇷Iran×1
🇬🇧Wales×1
Top 3

How it unfolded

Top 6 · 5 rounds

Mohammad Hossein Mozaffari led from R3; +0.5-point edge over the runner-up.

Co-leaders
4
2
1
2
1
1.52.545R1R2R3R4R5
R3–R5 · LEAD HELD

Mohammad Hossein Mozaffari held the sole lead from R3 through R5 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Mohammad Hossein Mozaffari lost to CM Peter D Lalic (Black).

WIN STREAKS · 2 top finishers

Mohammad Hossein Mozaffari 3 wins (R1–R3)CM Peter D Lalic 3 wins (R1–R4)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Mohammad Hossein Mozaffari*
0
1
1
2CMPeter D Lalic
1
*
½
1
3Aditya Gupta
0
½
*—
4Martin J Faulkner
0
0
—*

Grille américaine

#PlayerEloFedR1R2R3R4R5PtsBu C1BuSBPerfΔ
1Mozaffari, Mohammad Hossein1895IRI+10B+3N+9B−2N+5N4.09.510.06.502089+21.0
2Lalic, Peter DCM2144ENG+4N+5BF+1B=3N3.511.011.09.502148+0.2
3Gupta, Aditya1745ENG+16B−1B=4N+6N=2B3.011.511.54.751935+46.8
4Kaddu, Mukasa (fred)1791ENG−2B−8N=3B+15N=6B2.010.510.52.501741-8.8
5Faulkner, Martin J1796ENG+7B−2NF+10N−1B2.010.010.02.501880+7.4
6Lin, William1748ENG=9B+7NF−3B=4N2.08.08.03.501765+3.2
7Jackson, Paul G1715ENG−5N−6BF+14N+10B2.04.54.50.501689-2.0
8Darville, Matt1757ENGF+4B+13N——2.02.02.02.002414+13.6
9Ratcliffe, James1808ENG=6N=10B−1N——1.06.06.51.251679-20.8
10Warner, Dominic W J1750ENG−1N=9NF−5B−7N0.59.09.00.501486-23.6
11Kuzhelev, Timur2013ENG=12B————0.50.00.50.251974-1.0
12Baltrunas, Evaldas1974ENG=11N————0.50.00.50.252013+1.0
13Ou, Siyao1437ENGFF−8B——0.02.02.00.00957-5.2
14Denford, Les1461ENGFFF−7B—0.02.02.00.00914-3.8
15Slegg, Gary1670WLSFFF−4B—0.02.02.00.00991-6.8
16Gliddon, Daniel J1720ENG−3N————0.00.03.00.00945-9.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Coulsdon Chess Late Spring Standardplay Congress 2025 - Open — Coulsdon, England | Chess Tournament Results | ChessStats