252e Open FIDE Interchess de 3 Rondes -1800
Open SwissStandard
11 players participated in this 3-round tournament, held on 25 Apr 2026 in Paris, France. 3 federations represented. Top 10 Elo average was 965, and top seed was Hieu Tuong Pham (🇫🇷 FRA, 1742).
Karl Walsh (🇮🇪 IRL, 0) won with 2.5/3, ahead of Hieu Tuong Pham (2.5) and Sebastien Dubusset (2.5). Walsh won on tie-break after catching the field in the final round.
The biggest upset came in round 2: Florent Rouchaud (1535) beat Kenji Man (1652), a +117-point gap.
Location
🇫🇷Paris, France
Dates
25 Apr 2026
Time control
Standard: 50 minutes with 10 seconds increment from move 1
System
Swiss · 3 rounds
Federations · 3 represented
🇫🇷France×8
🇳🇱Netherlands×1
🇮🇪Ireland×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 3 roundsTight race until R3; 3 players tied at 2.5/3, decided on Buchholz.
Co-leaders
4
1
3
R3 · TIEBREAK CLUSTER
3 players finish on 2.5/3. Walsh takes the title on Buchholz Cut1 (4.5).
R2 · HEAD-TO-HEAD · WINNER VS 2ND
Karl Walsh drew with Sebastien Dubusset (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Karl Walsh | * | ½ | — | 1 |
| 2Sebastien Dubusset | ½ | * | — | — |
| 3Hieu Tuong Pham | — | — | * | — |
| 4Florent Rouchaud | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Walsh, Karl | 0 | IRL | +4B | =3N | +7B | 2.5 | 4.5 | 6.0 | 4.75 | 1653 | 0.0 |
| 2 | Pham, Hieu Tuong | 1742 | FRA | =6N | +10B | +5B | 2.5 | 3.5 | 4.0 | 3.25 | 2297 | +4.0 |
| 3 | Dubusset, Sebastien | 0 | FRA | +8N | =1B | +?N | 2.5 | 3.5 | 3.5 | 2.25 | 1686 | 0.0 |
| 4 | Rouchaud, Florent | 1535 | FRA | −1N | +8B | +9N | 2.0 | 3.5 | 4.5 | 2.00 | 2397 | +23.4 |
| 5 | Hawecker, Yoann | 0 | FRA | +?B | +9B | −2N | 2.0 | 3.5 | 3.5 | 1.00 | 1661 | 0.0 |
| 6 | FIDE 576029891 | 0 | — | =2B | −7N | +10N | 1.5 | 4.0 | 4.5 | 1.75 | 1643 | 0.0 |
| 7 | Soumah, Houssayne | 1691 | FRA | =10N | +6B | −1N | 1.5 | 4.0 | 4.5 | 1.75 | 1497 | -10.0 |
| 8 | Man, Kenji | 1652 | NED | −3B | −4N | +11N | 1.0 | 4.5 | 4.5 | 0.00 | 736 | -26.4 |
| 9 | Jacquet, Stephane | 1541 | FRA | +11B | −5N | −4B | 1.0 | 4.0 | 4.0 | 0.00 | 736 | -10.2 |
| 10 | Abbey, Anate | 1491 | FRA | =7B | −2N | −6B | 0.5 | 4.0 | 5.5 | 0.75 | 1523 | +1.0 |
| 11 | Huchet, Jean-Pierre | 0 | FRA | −9N | −?N | −8B | 0.0 | 2.0 | 2.0 | 0.00 | 811 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Rouchaud, FlorentFRA+23.42.0 pts · #2
- 2Pham, Hieu TuongFRA+4.02.5 pts · #6
- 3Abbey, AnateFRA+1.00.5 pts · #8
Top rating losers
- 1Man, KenjiNED-26.41.0 pts · #9
- 2Jacquet, StephaneFRA-10.21.0 pts · #11
- 3Soumah, HoussayneFRA-10.01.5 pts · #7
Biggest upsets
- R2+117 Elo gap