10eme open de Saint-Marcel (-2400)
20 players participated in this 5-round tournament, held from 11 Apr 2026 to 12 Apr 2026 in Saint Marcel, France. 1 titled players. Top 10 Elo average was 1945, and top seed was Thomas Jackson (🇫🇷 FRA, 2223).
Thomas Jackson (🇫🇷 FRA, 2223) won with 4.5/5, ahead of Gor Ghazaryan (4.0) and Gurgen Ghazaryan (3.5). Jackson broke clear in the final round.
The biggest upset came in round 5: Nicolas Derex (1616) beat Frederic Letemple (1958), a +342-point gap.
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How it unfolded
Top 6 · 5 roundsThomas Jackson led from R5; +0.5-point edge over the runner-up. Title race converged from 2 co-leaders at R4 to 1 by R5.
Thomas Jackson held the sole lead from R5 through R5 without losing it.
Thomas Jackson drew with Gor Ghazaryan (Black).
Thomas Jackson 3 wins (R1–R3)Gor Ghazaryan 3 wins (R1–R3)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Thomas Jackson | * | ½ | 1 | — |
| 2Gor Ghazaryan | ½ | * | ½ | 1 |
| 3Gurgen Ghazaryan | 0 | ½ | * | — |
| 4Theo Petit | — | 0 | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Jackson, Thomas | 2223 | FRA | +7B | +4N | +3B | =2N | +6B | 4.5 | 14.0 | 17.0 | 15.00 | 2353 | +12.2 |
| 2 | Ghazaryan, Gor | 2083 | FRA | +12B | +8N | +5B | =1B | =3N | 4.0 | 14.5 | 16.5 | 12.50 | 2156 | +17.2 |
| 3 | Ghazaryan, Gurgen | 2008 | FRA | +14N | +17B | −1N | +10B | =2B | 3.5 | 13.5 | 14.5 | 8.00 | 2038 | +7.0 |
| 4 | Jackson, Daniel | 1892 | FRA | +18N | −1B | +12N | +7B | =5N | 3.5 | 13.0 | 14.0 | 7.75 | 1914 | +3.2 |
| 5 | Petit, Theo | 1826 | FRA | +15B | +6N | −2N | +11B | =4B | 3.5 | 12.5 | 14.5 | 8.75 | 2011 | +18.8 |
| 6 | Nicot, ValentinCM | 2129 | FRA | +9N | −5B | +17N | +8B | −1N | 3.0 | 14.0 | 15.0 | 7.00 | 1942 | -30.4 |
| 7 | Arfi, Benjamin | 1736 | FRA | −1N | +16B | +13N | −4N | +11B | 3.0 | 12.0 | 13.0 | 5.00 | 1886 | +27.2 |
| 8 | Kettani, Arseny | 1796 | FRA | +16N | −2B | +14N | −6N | +12B | 3.0 | 11.0 | 12.0 | 5.00 | 1800 | -2.8 |
| 9 | Derex, Nicolas | 1616 | FRA | −6B | −11N | +15B | +16N | +13N | 3.0 | 9.0 | 10.0 | 5.00 | 1720 | +4.4 |
| 10 | Le Bail, Stephane | 1759 | FRA | +20N | =13B | =11N | −3N | +18B | 3.0 | 8.5 | 8.5 | 3.00 | 1746 | -0.8 |
| 11 | Nicot, Anna | 1560 | FRA | =13N | +9B | =10B | −5N | −7N | 2.0 | 12.5 | 14.5 | 5.50 | 1707 | +27.1 |
| 12 | FIDE 20652224 | 0 | — | −2N | +20B | −4B | +19N | −8N | 2.0 | 11.5 | 11.5 | 1.00 | 1124 | 0.0 |
| 13 | Letemple, Frederic | 1958 | FRA | =11B | =10N | −7B | +14N | −9B | 2.0 | 11.0 | 13.0 | 4.50 | 1575 | -45.2 |
| 14 | Girard, Christophe | 1562 | FRA | −3B | +15N | −8B | −13B | +19N | 2.0 | 10.5 | 11.5 | 3.00 | 1106 | -7.4 |
| 15 | FIDE 576023397 | 0 | — | −5N | −14B | −9N | +20N | +16B | 2.0 | 9.5 | 9.5 | 1.00 | 868 | 0.0 |
| 16 | Hamonic, Pierre | 0 | FRA | −8B | −7N | +19B | −9B | −15N | 1.0 | 11.0 | 12.0 | 1.00 | 916 | 0.0 |
| 17 | Werbregue, Didier | 1774 | FRA | +19B | −3N | −6B | F | F | 1.0 | 8.5 | 8.5 | 1.00 | 1269 | -6.4 |
| 18 | Barriol, Jean-Paul | 1457 | FRA | −4B | −19N | +20B | F | −10N | 1.0 | 8.5 | 8.5 | 0.00 | 1008 | -4.6 |
| 19 | Toub, Arlene | 1399 | FRA | −17N | +18B | −16N | −12B | −14B | 1.0 | 6.0 | 7.0 | 1.00 | 1473 | 0.0 |
| 20 | FIDE 560019565 | 0 | — | −10B | −12N | −18N | −15B | F | 0.0 | 8.0 | 8.0 | 0.00 | 808 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Arfi, BenjaminFRA+27.23.0 pts · #9
- 2Nicot, AnnaFRA+27.12.0 pts · #8
- 3Petit, TheoFRA+18.83.5 pts · #5
- 1Letemple, FredericFRA-45.22.0 pts · #7
- 2Nicot, ValentinCMFRA-30.43.0 pts · #3
- 3Girard, ChristopheFRA-7.42.0 pts · #18
- R5+342 Elo gap
- R2+303 Elo gap
- R3+222 Elo gap