CChessStats

International Chess Holiday 2025 - M2

Round-RobinStandard

10 players participated in this 9-round tournament, held from 03 Aug 2025 to 08 Aug 2025 in Praha, Czech Republic. 1 titled players from 3 federations. Top 10 Elo average was 2002, and top seed was Jiri Houska (🇨🇿 CZE, 2151).

Jiri Houska (🇨🇿 CZE, 2151) won with 7.0/9, ahead of Andreas Guenther (6.0) and Jindrich Novak (6.0). Houska broke clear in the final round.

The biggest upset came in round 7: Jindrich Novak (2010) beat Frantisek Hanl (CM, 2136), a +126-point gap.

Location
🇨🇿Praha, Czech Republic
Dates
03 Aug 2025 → 08 Aug 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Round-robin · 9 rounds
Top seed
🇨🇿Jiri Houska2151
Avg top 10
2,002
Participants
10
Titled players · 1
CM×1
Federations · 3 represented
🇨🇿Czech Republic×7
🇩🇪Germany×2
🇸🇪Sweden×1
Top 3

How it unfolded

Top 10 · 9 rounds

Jiri Houska led from R6 onwards, the runner-up race stayed tight. Title race converged from 2 co-leaders at R4 to 1 by R6.

Co-leaders
3
1
2
2
3
1
1
2
1
#1#2#5#10R1R2R3R4R5R6R7R8R9Houska takes lead
R6 · LEADER CHANGE06 Aug

Jiri Houska takes the sole lead (5.0/6).

R9 · HEAD-TO-HEAD · WINNER VS 2ND

Jiri Houska beat Jindrich Novak (Black).

R6–R8 · WIN STREAK

Jindrich Novak won 3 in a row (R6–R8).

Cross-table

#PlayerElo12345678910PtsSBBhΔ EloPerf
1🇨🇿Houska, Jiri2151*½1½½½11117.027.0038.0+11.82206
4🇩🇪Guenther, Andreas2087½*1½½½½1½16.024.5039.0+7.82118
2🇨🇿Novak, Jindrich201000*1111½½16.023.2539.0+27.02126
3🇨🇿CMHanl, Frantisek2136½½0*½½11116.021.5039.0-4.82112
5🇨🇿Koller, Martin1993½½0½*½½1115.520.0039.5+22.22083
6🇨🇿Svoboda, Daniel1945½½0½½*½½1½4.518.5040.5+21.82008
7🇩🇪Staufenberger, Bernd19270½00½½*½½13.511.7541.5-0.41930
8🇨🇿Vavrinec, Tomas195000½00½½*½13.09.2542.0-16.41883
9🇨🇿Rehak, Martin19430½½000½½*½2.59.7542.5-24.41843
10🇸🇪Thomasson, Staffan187700000½00½*1.03.5044.0-37.81665

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets