CChessStats

Tournoi ferme Chess in Lyon juin 2025 Poule I

Round-RobinStandard

8 players participated in this 7-round tournament, held from 20 Jun 2025 to 22 Jun 2025 in Lyon, France. Top 10 Elo average was 955, and top seed was Serge Colin (🇫🇷 FRA, 1570).

Serge Colin (🇫🇷 FRA, 1570) won with 6.0/7, ahead of Pierre Socquet-Juglard (5.0) and Irina Boursier (4.5). Colin won solo starting round 6.

Location
🇫🇷Lyon, France
Dates
20 Jun 2025 → 22 Jun 2025
Time control
Standard: 60 minutes with 30 seconds increment from move 1
System
Round-robin · 7 rounds
Top seed
🇫🇷Serge Colin1570
Avg top 10
955
Participants
8
Federations · 1 represented
🇫🇷France×8
Top 3

How it unfolded

Top 8 · 7 rounds

Serge Colin led from R2 onwards, the runner-up race stayed tight.

Co-leaders
4
1
1
3
2
1
1
#1#2#4#8R1R2R3R4R5R6R7
Colin#2Socquet-Juglard#1Boursier#3Raposo#4Joannas#7Dujardin#6Siegwart#8Saint Jean#5
R2–R7 · LEAD HELD

Serge Colin never relinquished the lead after R2; final gap +1.0 over the runner-up.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

Serge Colin lost to Pierre Socquet-Juglard (Black).

WIN STREAKS · 2 top finishers

Serge Colin 3+3 wins (R1–R3, R5–R7)Pierre Socquet-Juglard 4 wins (R1–R5)

Cross-table

#PlayerElo12345678PtsSBBhΔ EloPerf
2🇫🇷Colin, Serge1570*01111116.014.0019.0+14.41711
1🇫🇷Socquet-Juglard, Pierre15251*½11—1½5.015.5020.0+60.81865
3🇫🇷Boursier, Irina15050½*011114.59.0020.5-13.21448
4🇫🇷Raposo, Leandro1537001*——113.06.0022.0-21.21409
7🇫🇷Joannas, Didier1503000—*1113.03.5022.0-27.6734
6🇫🇷Dujardin, Julien00—0—0*112.01.5023.00.0726
8🇫🇷Siegwart, Alain0000000*11.00.5024.00.0729
5🇫🇷Saint Jean, Alain00½00000*0.52.5024.50.01163

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers