253e Open FIDE Interchess de 3 Rondes -1800
Open SwissStandard
14 players participated in this 3-round tournament, held on 03 May 2026 in Paris, France. 2 federations represented. Top 10 Elo average was 1662, and top seed was Alata Calmus (🇫🇷 FRA, 1774).
Alata Calmus (🇫🇷 FRA, 1774) won with 2.5/3, ahead of Adhyayan Chatterjee (2.5) and Kate Anne Flores (2.5). Calmus shared the lead from round 1, winning on tie-break.
The biggest upset came in round 3: Anate Abbey (1510) beat Antoine Calmus (1667), a +157-point gap.
Location
🇫🇷Paris, France
Dates
03 May 2026
Time control
Standard: 50 minutes with 10 seconds increment from move 1
System
Swiss · 3 rounds
Federations · 2 represented
🇫🇷France×12
🇵🇭Philippines×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
6
3
3
R3 · TIEBREAK CLUSTER
3 players finish on 2.5/3. Calmus takes the title on Buchholz Cut1 (4.0).
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Alata Calmus drew with Kate Anne Flores (Black).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Alata Calmus | * | ½ | — | — |
| 2Kate Anne Flores | ½ | * | — | — |
| 3Adhyayan Chatterjee | — | — | * | — |
| 4Tristan Reuze | — | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Calmus, Alata | 1774 | FRA | +8N | +6B | =3N | 2.5 | 4.0 | 5.5 | 4.25 | 1950 | +24.8 |
| 2 | Chatterjee, Adhyayan | 1752 | FRA | +4N | +7B | =6N | 2.5 | 3.5 | 5.0 | 4.25 | 1790 | +4.0 |
| 3 | Flores, Kate Anne | 1759 | PHI | +10B | +11N | =1B | 2.5 | 3.5 | 4.5 | 3.25 | 1934 | +12.2 |
| 4 | Abbey, Anate | 1510 | FRA | −2B | +14N | +11B | 2.0 | 3.5 | 3.5 | 1.00 | 1761 | +19.6 |
| 5 | Reuze, Tristan | 1608 | FRA | −7B | +12N | +10B | 2.0 | 2.5 | 3.5 | 2.00 | 2437 | +43.2 |
| 6 | Madon, Francis | 1683 | FRA | +14B | −1N | =2B | 1.5 | 5.0 | 5.0 | 1.25 | 1672 | -0.6 |
| 7 | Hoeckman, Alexandre | 0 | FRA | +5N | −2N | =8B | 1.5 | 4.5 | 6.0 | 2.75 | 1649 | 0.0 |
| 8 | Maruani, Cosme | 1588 | FRA | −1B | +9B | =7N | 1.5 | 4.0 | 5.5 | 2.25 | 974 | -10.4 |
| 9 | FIDE 576035620 | 0 | — | =12B | −8N | +14B | 1.5 | 2.5 | 2.5 | 0.50 | 1604 | 0.0 |
| 10 | Huynh, Ba Linh | 1541 | FRA | −3N | +13B | −5N | 1.0 | 4.5 | 5.0 | 0.50 | 884 | -25.2 |
| 11 | Calmus, Antoine | 1667 | FRA | +13N | −3B | −4N | 1.0 | 4.5 | 5.0 | 0.50 | 835 | -21.6 |
| 12 | Pham, Hieu Tuong | 1733 | FRA | =9N | −5B | =13N | 1.0 | 3.5 | 4.0 | 1.00 | 808 | -13.4 |
| 13 | Fuentes, Patrick | 0 | FRA | −11B | −10N | =12B | 0.5 | 2.0 | 3.0 | 0.50 | 1374 | 0.0 |
| 14 | Emsalem, Marc | 1490 | FRA | −6N | −4B | −9N | 0.0 | 3.5 | 5.0 | 0.00 | 797 | -14.4 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Reuze, TristanFRA+43.22.0 pts · #3
- 2Calmus, AlataFRA+24.82.5 pts · #1
- 3Abbey, AnateFRA+19.62.0 pts · #4
Top rating losers
- 1Huynh, Ba LinhFRA-25.21.0 pts · #10
- 2Calmus, AntoineFRA-21.61.0 pts · #14
- 3Emsalem, MarcFRA-14.40.0 pts · #11
Biggest upsets
- R3+157 Elo gap
- R2+125 Elo gap