CChessStats

Vienna GM 2025

Round-RobinStandard

10 players participated in this 9-round tournament, held from 16 Dec 2025 to 23 Dec 2025 in Vienna, Austria. 10 titled players from 6 federations. Top 10 Elo average was 2464, and top seed was Adam Kozak (🇭🇺 HUN, GM, 2546).

Lukas Dotzer (🇦🇹 AUT, IM, 2478) won with 6.5/9, ahead of Jergus Pechac (6.5) and Jan Subelj (5.0). Dotzer won on tie-break after catching the field in the final round.

The biggest upset came in round 3: Peter Balint (FM, 2427) beat Adam Kozak (GM, 2546), a +119-point gap.

Location
🇦🇹Vienna, Austria
Dates
16 Dec 2025 → 23 Dec 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Round-robin · 9 rounds
Top seed
🇭🇺GMAdam Kozak2546
Avg top 10
2,464
Participants
10
Titled players · 10
GM×3
IM×5
FM×2
Federations · 6 represented
🇦🇹Austria×5
🇭🇺Hungary×1
🇸🇰Slovakia×1
🇸🇮Slovenia×1
🇩🇪Germany×1
🇧🇦Bosnia and Herzegovina×1
Top 3

How it unfolded

Top 10 · 9 rounds

GM Jergus Pechac led from R8 onwards, the runner-up race stayed tight.

Co-leaders
3
1
2
1
1
1
2
1
2
#1#2#5#10R1R2R3R4R5R6R7R8R9Pechac takes lead
R8 · LEADER CHANGE22 Dec

GM Jergus Pechac takes the sole lead (6.0/8).

R3 · HEAD-TO-HEAD · WINNER VS 2ND

GM Jergus Pechac drew with IM Lukas Dotzer (Black).

R1–R9 · UNBEATEN

GM Jergus Pechac went unbeaten across 9 games (R1–R9).

Cross-table

#PlayerElo12345678910PtsSBBhΔ EloPerf
2🇦🇹IMDotzer, Lukas2478*½1½½111016.527.2538.5+18.02629
1🇸🇰GMPechac, Jergus2510½*½11½1½½16.526.7538.5+13.92625
3🇸🇮GMSubelj, Jan25370½*½½1½1½½5.021.0040.0-5.02499
7🇦🇹FMBalint, Peter2427½0½*110½½½4.519.2540.5+5.02469
4🇭🇺GMKozak, Adam2546½0½0*½½½114.517.2540.5-11.02455
6🇩🇪IMFromm, Marius24110½00½*11½14.517.2540.5+7.22470
5🇦🇹IMBaidetskyi, Valentin249400½1½0*½114.516.2540.5-4.02461
8🇧🇦IMCulum, Sanjin24360½0½½0½*114.015.0041.0-1.12425
9🇦🇹FMErnst, Robert23821½½½0½00*½3.517.5041.5+2.42394
10🇦🇹IMBorrmann, Laurenz242300½½0000½*1.56.5043.5-24.22196

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets