International Chess Holiday 2025 - M2
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.
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How it unfolded
Top 10 · 9 roundsJiri Houska led from R6 onwards, the runner-up race stayed tight. Title race converged from 2 co-leaders at R4 to 1 by R6.
Jiri Houska takes the sole lead (5.0/6).
Jiri Houska beat Jindrich Novak (Black).
Jindrich Novak won 3 in a row (R6–R8).
Cross-table
| # | Player | Elo | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Pts | SB | Bh | Δ Elo | Perf |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 🇨🇿Houska, Jiri | 2151 | * | ½ | 1 | ½ | ½ | ½ | 1 | 1 | 1 | 1 | 7.0 | 27.00 | 38.0 | +11.8 | 2206 |
| 4 | 🇩🇪Guenther, Andreas | 2087 | ½ | * | 1 | ½ | ½ | ½ | ½ | 1 | ½ | 1 | 6.0 | 24.50 | 39.0 | +7.8 | 2118 |
| 2 | 🇨🇿Novak, Jindrich | 2010 | 0 | 0 | * | 1 | 1 | 1 | 1 | ½ | ½ | 1 | 6.0 | 23.25 | 39.0 | +27.0 | 2126 |
| 3 | 🇨🇿CMHanl, Frantisek | 2136 | ½ | ½ | 0 | * | ½ | ½ | 1 | 1 | 1 | 1 | 6.0 | 21.50 | 39.0 | -4.8 | 2112 |
| 5 | 🇨🇿Koller, Martin | 1993 | ½ | ½ | 0 | ½ | * | ½ | ½ | 1 | 1 | 1 | 5.5 | 20.00 | 39.5 | +22.2 | 2083 |
| 6 | 🇨🇿Svoboda, Daniel | 1945 | ½ | ½ | 0 | ½ | ½ | * | ½ | ½ | 1 | ½ | 4.5 | 18.50 | 40.5 | +21.8 | 2008 |
| 7 | 🇩🇪Staufenberger, Bernd | 1927 | 0 | ½ | 0 | 0 | ½ | ½ | * | ½ | ½ | 1 | 3.5 | 11.75 | 41.5 | -0.4 | 1930 |
| 8 | 🇨🇿Vavrinec, Tomas | 1950 | 0 | 0 | ½ | 0 | 0 | ½ | ½ | * | ½ | 1 | 3.0 | 9.25 | 42.0 | -16.4 | 1883 |
| 9 | 🇨🇿Rehak, Martin | 1943 | 0 | ½ | ½ | 0 | 0 | 0 | ½ | ½ | * | ½ | 2.5 | 9.75 | 42.5 | -24.4 | 1843 |
| 10 | 🇸🇪Thomasson, Staffan | 1877 | 0 | 0 | 0 | 0 | 0 | ½ | 0 | 0 | ½ | * | 1.0 | 3.50 | 44.0 | -37.8 | 1665 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Novak, JindrichCZE+27.06.0 pts · #2
- 2Koller, MartinCZE+22.25.5 pts · #5
- 3Svoboda, DanielCZE+21.84.5 pts · #6
- 1Thomasson, StaffanSWE-37.81.0 pts · #10
- 2Rehak, MartinCZE-24.42.5 pts · #9
- 3Vavrinec, TomasCZE-16.43.0 pts · #8
- R7+126 Elo gap