CChessStats

Championnat interne Prilly Crazy-Horse 2025

Double Round-RobinStandard

9 players participated in this 18-round tournament, held from 01 Dec 2025 to 18 Dec 2025 in Prilly, Switzerland. Top 10 Elo average was 583, and top seed was Alain Chollet (🇨🇭 SUI, 1893).

Alain Chollet (🇨🇭 SUI, 1893) won with 13.5/18, ahead of Vincent Lianza (11.0) and Marjorie Mourey (9.5). Chollet shared the lead from round 4 and won solo starting round 5.

The biggest upset came in round 4: Vincent Lianza (1609) beat Bernard Gasser (1743), a +134-point gap.

Location
🇨🇭Prilly, Switzerland
Dates
01 Dec 2025 → 18 Dec 2025
Time control
Standard: 40 Moves in 90 Min. / / 30 Min.
System
Double RR · 18 rounds
Top seed
🇨🇭Alain Chollet1893
Avg top 10
583
Participants
9
Federations · 1 represented
🇨🇭Switzerland×6
Top 3

How it unfolded

Top 9 · 18 rounds

Alain Chollet led from R5 onwards, the title was decided early. Title race converged from 3 co-leaders at R4 to 1 by R5.

Co-leaders
4
2
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
#1#2#5#9R1R2R3R4R5R6R7R8R9R10R11R12R13R14R15R16R17R18Chollet takes lead
R5 · LEADER CHANGE05 Dec

Alain Chollet takes the sole lead (4.0/5).

R8 · DECISIVE LEAD08 Dec

Alain Chollet opens a +1.5-point gap over the chasing pack (closest: Marjorie Mourey); the title is out of reach before R18.

HEAD-TO-HEAD · WINNER VS 2ND · 2 games

Alain Chollet 2.00.0 against Vincent Lianza (R3 1-0, R12 1-0) — decisive in 2/2.

Cross-table

#PlayerElo123456789PtsSBBhΔ EloPerf
1🇨🇭Chollet, Alain1893*
11
1½
1½
1½
11
11
1
11
13.585.75101.0+19.22008
3🇨🇭Lianza, Vincent1609
00
*
11
01
11
01
11
1
11
11.063.50106.0+19.61805
4🇨🇭Mourey, Marjorie0
½0
00
*
11
½½
11
01
1
11
9.551.25109.00.01546
2🇨🇭Airaudi, Mathias0
½0
01
00
*
½½
11
11
1
11
9.548.25109.00.01682
6🇨🇭Gasser, Bernard1743
½0
00
½½
½½
*
11
11
1
11
9.546.75109.0-58.41420
5🇨🇭Rais, Charles0
00
01
00
00
00
*
10
1
11
5.017.00118.00.01466
9FIDE 13769930
00
00
01
00
00
10
*
1
11
5.015.50118.00.0939
8FIDE 13766080
0
0
0
0
0
0
0
*
1
1.00.00126.00.0939
7FIDE 13770000
00
00
00
00
00
00
00
0
*0.00.00128.00.0939

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets