CChessStats

Championnat Corsica Chess Club 2025 - Groupe D

Round-RobinStandard

9 players participated in this 9-round tournament, held from 28 Nov 2025 to 19 Dec 2025 in Bastia, France. Top 10 Elo average was 684, and top seed was Jean-Jacques Gil (🇫🇷 FRA, 1636).

Sebastien Macia (🇫🇷 FRA, 1538) won with 7.0/9, ahead of Christian Pietrelle (5.5) and Jean-Jacques Gil (5.0). Macia shared the lead from round 4 and won solo starting round 5.

The biggest upset came in round 6: Christian Pietrelle (1444) beat Jean-Jacques Gil (1636), a +192-point gap.

Location
🇫🇷Bastia, France
Dates
28 Nov 2025 → 19 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 9 rounds
Top seed
🇫🇷Jean-Jacques Gil1636
Avg top 10
684
Participants
9
Federations · 1 represented
🇫🇷France×8
Top 3

How it unfolded

Top 9 · 9 rounds

Sebastien Macia led from R5 onwards, the runner-up race stayed tight. Title race converged from 4 co-leaders at R4 to 1 by R5.

Co-leaders
4
2
1
4
1
1
1
1
1
#1#2#5#9R1R2R3R4R5R6R7R8R9Macia takes lead
R5 · LEADER CHANGE06 Dec

Sebastien Macia takes the sole lead (4.0/5).

R7 · DECISIVE LEAD13 Dec

Sebastien Macia opens a +1.5-point gap over the chasing pack (closest: Christian Pietrelle); the title is out of reach before R9.

R7 · HEAD-TO-HEAD · WINNER VS 2ND

Sebastien Macia beat Christian Pietrelle (Black).

Cross-table

#PlayerElo123456789PtsSBBhΔ EloPerf
3🇫🇷Macia, Sebastien1538*101111117.020.0025.0+20.01663
4🇫🇷Pietrelle, Christian14440*111½115.517.7526.5+10.01569
1🇫🇷Gil, Jean-Jacques163610*0011115.012.5027.0-0.41631
2🇫🇷Rieu, Guillaume0001*011115.010.5027.00.01538
5🇫🇷Bastiani, Olivier00011*0114.012.0028.00.01345
6🇫🇷Papazian, Daniel15340½001*113.58.7528.5-39.21266
7🇫🇷Brugioni, Richard0000000*112.00.0030.00.0738
8FIDE 5270581660000000*0.00.0032.00.0769
9🇫🇷Briant, Olivier000000*0.00.0032.00.0739

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets