18e Open international de Plancoet - Tournoi B
Open SwissStandard
53 players participated in this 9-round tournament, held from 27 Jul 2025 to 01 Aug 2025 in Plancoet, France. 3 federations represented. Top 10 Elo average was 1836, and top seed was Thierry Kozlowski (🇫🇷 FRA, 1876).
Thierry Kozlowski (🇫🇷 FRA, 1876) won with 7.0/9, ahead of Charles Guiot-Dorel (7.0) and Cedric Daubert (6.5). Kozlowski shared the lead from round 1, winning on tie-break.
The biggest upset came in round 8: Louis Beuzelin (1601) beat Stephane Trubert (1779), a +178-point gap.
Location
🇫🇷Plancoet, France
Dates
27 Jul 2025 → 01 Aug 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 9 rounds
Federations · 3 represented
🇫🇷France×49
🇧🇪Belgium×2
🇳🇱Netherlands×2
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 9 roundsTight race until R4; 2 players tied at 7.0/9, decided on Buchholz.
Co-leaders
20
7
3
1
1
1
2
2
2
R4–R9 · LEAD HELD
Thierry Kozlowski held the sole lead from R4 through R9 without losing it.
R9 · TIEBREAK CLUSTER
2 players finish on 7.0/9. Kozlowski takes the title on Buchholz Cut1 (46.0).
R3 · HEAD-TO-HEAD · WINNER VS 2ND
Thierry Kozlowski beat Charles Guiot-Dorel (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Thierry Kozlowski | * | 1 | ½ | ½ |
| 2Charles Guiot-Dorel | 0 | * | — | 1 |
| 3Cedric Daubert | ½ | — | * | 0 |
| 4Carlos Preuter | ½ | 0 | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kozlowski, Thierry | 1876 | FRA | +36B | +28N | +2B | +5N | +17N | =3B | =7N | =9B | =4B | 7.0 | 46.0 | 49.5 | 37.25 | 2003 | +27.0 |
| 2 | Guiot-Dorel, Charles | 1767 | FRA | +44B | +45N | −1N | +25B | +4B | +38N | +10B | =6N | =5B | 7.0 | 41.0 | 43.5 | 30.50 | 1988 | +102.0 |
| 3 | Daubert, Cedric | 1769 | FRA | +41N | −25B | +19N | +26B | +6B | =1N | −4B | +17N | +9N | 6.5 | 42.0 | 45.0 | 31.00 | 1929 | +38.8 |
| 4 | Preuter, Carlos | 1838 | NED | −26N | +51B | +42N | +34B | −2N | +25B | +3N | +7B | =1N | 6.5 | 41.0 | 42.5 | 28.00 | 1895 | +14.0 |
| 5 | Lardy, Gregoire | 1831 | FRA | +21B | +27N | +8B | −1B | =7N | +35B | F | +12N | =2N | 6.0 | 43.0 | 43.0 | 29.50 | 1953 | +24.8 |
| 6 | Busnel, Laurent | 1859 | FRA | F | +13N | +40B | =7B | −3N | +34B | +15N | =2B | +10N | 6.0 | 41.5 | 41.5 | 28.50 | 1929 | +13.8 |
| 7 | Kerveillant, Ethan | 1749 | FRA | +50B | =38N | +18B | =6N | =5B | +43N | =1B | −4N | +17B | 6.0 | 41.0 | 43.0 | 25.25 | 1941 | +93.2 |
| 8 | Maruejols, Claude | 1749 | FRA | +49N | +11B | −5N | =10B | −9N | +14B | =30N | +13B | +43B | 6.0 | 39.5 | 41.5 | 25.25 | 1860 | +26.6 |
| 9 | Jaminion, Maximilien | 1813 | FRA | +37B | =40N | =39B | =28N | +8B | =12N | +22B | =1N | −3B | 5.5 | 40.0 | 43.0 | 25.25 | 1834 | +5.4 |
| 10 | Gledel, Bernard | 1802 | FRA | −27B | +23N | +44B | =8N | +29B | +39B | −2N | +18N | −6B | 5.5 | 39.5 | 42.0 | 22.00 | 1814 | +3.4 |
| 11 | Delille, Victor | 1839 | FRA | +31B | −8N | =27B | −40N | F | +44N | +20B | +26B | +12N | 5.5 | 33.0 | 33.0 | 22.00 | 1848 | +1.8 |
| 12 | Maurel, Jean-Louis | 1758 | FRA | −25N | +20B | +41N | +30B | =43N | =9B | +35N | −5B | −11B | 5.0 | 36.0 | 39.0 | 19.25 | 1788 | +7.4 |
| 13 | Cerclier, Axel | 1654 | FRA | +48N | −6B | −22N | +37B | +26N | +29B | −17B | −8N | +36B | 5.0 | 36.0 | 38.5 | 17.50 | 1798 | +67.6 |
| 14 | Corbeau, Lou | 1608 | FRA | =32B | =24N | =29B | −18N | +21B | −8N | +36B | =28N | +26N | 5.0 | 35.5 | 39.0 | 20.25 | 1781 | +82.4 |
| 15 | Lotsova, Alexander | 1731 | FRA | +52B | =18N | −38B | +27N | +28B | =17N | −6B | −23N | +37B | 5.0 | 34.5 | 36.0 | 17.50 | 1782 | +12.4 |
| 16 | Beuzelin, Louis | 1601 | FRA | −46N | +53B | −34N | F | +36B | −31N | +41B | +35B | +30N | 5.0 | 25.0 | 25.0 | 15.00 | 1805 | +43.4 |
| 17 | Richeux, Vincent | 1799 | FRA | +20N | +26B | +25N | F | −1B | =15B | +13N | −3B | −7N | 4.5 | 42.0 | 42.0 | 20.00 | 1773 | -4.8 |
| 18 | Le Bail, Stephane | 1804 | FRA | +51N | =15B | −7N | +14B | −39N | =19B | +25N | −10B | =29N | 4.5 | 37.5 | 39.0 | 17.25 | 1704 | -24.0 |
| 19 | Jaminion, Raphael | 1652 | FRA | −28B | +31N | −3B | =36N | +46B | =18N | +24B | −22N | =21B | 4.5 | 36.0 | 38.5 | 17.25 | 1749 | +47.6 |
| 20 | Porte, Titouan | 1695 | FRA | −17B | −12N | +21B | =50N | +48B | =40N | −11N | =46B | +35N | 4.5 | 31.0 | 33.0 | 14.25 | 1742 | +22.8 |
| 21 | Vanderpooten, Daniel | 1711 | FRA | −5N | −49B | −20N | +53B | −14N | +33B | +48N | +44B | =19N | 4.5 | 31.0 | 32.0 | 12.25 | 1696 | -3.6 |
| 22 | Guegan, Michel | 1786 | FRA | F | =29N | +13B | =39N | +40B | F | −9N | +19B | =23N | 4.5 | 30.0 | 30.0 | 18.50 | 1795 | +2.8 |
| 23 | Tahar-Chaouch, Nefissa | 1618 | FRA | =34N | −10B | +47N | F | =31B | +28N | F | +15B | =22B | 4.5 | 29.0 | 29.0 | 17.50 | 1831 | +80.4 |
| 24 | Bourseau, Pascal | 1730 | FRA | =47N | =14B | +52N | −35B | −25N | =37B | −19N | +51B | +34N | 4.5 | 28.0 | 29.5 | 12.00 | 1660 | -16.4 |
| 25 | Lahoche, Claire | 1656 | FRA | +12B | +3N | −17B | −2N | +24B | −4N | −18B | −27N | +40B | 4.0 | 42.5 | 45.5 | 19.00 | 1715 | +29.6 |
| 26 | Boff, Olivier | 1712 | FRA | +4B | −17N | +45B | −3N | −13B | +41N | +40B | −11N | −14B | 4.0 | 39.0 | 41.5 | 15.00 | 1663 | -11.4 |
| 27 | Richard, Louis | 1699 | FRA | +10N | −5B | =11N | −15B | +42N | −30B | =29N | +25B | −32N | 4.0 | 38.0 | 41.0 | 17.25 | 1679 | -8.8 |
| 28 | Picand, Guillaume | 1752 | FRA | +19N | −1B | +49N | =9B | −15N | −23B | F | =14B | +46N | 4.0 | 36.0 | 36.0 | 14.25 | 1710 | -9.6 |
| 29 | Simon, Lionel | 1709 | FRA | F | =22B | =14N | +42B | −10N | −13N | =27B | +40N | =18B | 4.0 | 34.5 | 34.5 | 15.00 | 1700 | -2.0 |
| 30 | Michaud-Lauture, Gerard | 1601 | FRA | F | =34B | +46N | −12N | =44B | +27N | =8B | =32B | −16B | 4.0 | 32.5 | 32.5 | 14.50 | 1711 | +23.8 |
| 31 | Lucas, Jean | 1725 | FRA | −11N | −19B | +51N | +52B | =23N | +16B | =34N | F | — | 4.0 | 27.5 | 29.0 | 12.00 | 1722 | +0.2 |
| 32 | Desgranges, Christophe | 1744 | FRA | =14N | −42B | −33N | F | =50B | =45N | +51B | =30N | +27B | 4.0 | 27.0 | 28.5 | 12.25 | 1635 | -22.8 |
| 33 | Bizot, Jean-Christophe | 1727 | FRA | −38B | −50N | +32B | −44N | −41B | −21N | +53B | +49N | +47B | 4.0 | 24.0 | 25.0 | 9.50 | 1644 | -19.6 |
| 34 | Danzanvilliers, Patrice | 1748 | FRA | =23B | =30N | +16B | −4N | +45B | −6N | =31B | −37N | −24B | 3.5 | 38.0 | 40.5 | 13.75 | 1608 | -34.4 |
| 35 | Trubert, Stephane | 1779 | FRA | −40B | +37N | +50B | +24N | =38B | −5N | −12B | −16N | −20B | 3.5 | 35.0 | 37.0 | 11.75 | 1641 | -67.6 |
| 36 | Deblauwe, Pauwel | 1729 | BEL | −1N | −41B | +53N | =19B | −16N | +52B | −14N | +45B | −13N | 3.5 | 33.5 | 34.5 | 7.25 | 1567 | -39.4 |
| 37 | Caillot, Arnaud | 1699 | FRA | −9N | −35B | F | −13N | +49B | =24N | +45B | +34B | −15N | 3.5 | 31.5 | 31.5 | 10.25 | 1659 | -9.0 |
| 38 | Foussard, Gervais | 1868 | FRA | +33N | =7B | +15N | =43B | =35N | −2B | — | — | — | 3.5 | 25.5 | 28.5 | 15.25 | 1820 | -7.2 |
| 39 | Jubin, Thierry | 1735 | FRA | =42N | +47B | =9N | =22B | +18B | −10N | — | — | — | 3.5 | 23.0 | 25.5 | 13.50 | 1781 | +8.8 |
| 40 | Pietrowski, Patrick | 1664 | FRA | +35N | =9B | −6N | +11B | −22N | =20B | −26N | −29B | −25N | 3.0 | 38.0 | 41.5 | 14.00 | 1636 | -7.0 |
| 41 | Paquin, Christophe | 1662 | FRA | −3B | +36N | −12B | −45N | +33N | −26B | −16N | −47N | +53B | 3.0 | 33.0 | 34.0 | 8.50 | 1549 | -26.6 |
| 42 | Degrieck, Peter | 1583 | BEL | =39B | +32N | −4B | −29N | −27B | −46N | −49B | +53N | =52B | 3.0 | 28.0 | 29.0 | 7.50 | 1581 | -1.2 |
| 43 | Robert, Loic | 1829 | FRA | +53N | +46B | F | =38N | =12B | −7B | F | F | −8N | 3.0 | 28.0 | 28.0 | 7.75 | 1760 | -11.2 |
| 44 | Grange, Laurent | 1660 | FRA | −2N | +48B | −10N | +33B | =30N | −11B | F | −21N | — | 2.5 | 33.0 | 33.0 | 8.50 | 1641 | -4.4 |
| 45 | Georges, Arthur | 1520 | FRA | F | −2B | −26N | +41B | −34N | =32B | −37N | −36N | +49B | 2.5 | 30.5 | 30.5 | 7.00 | 1571 | +19.2 |
| 46 | Tahar-Chaouch, Yazid | 1737 | FRA | +16B | −43N | −30B | F | −19N | +42B | F | =20N | −28B | 2.5 | 28.0 | 28.0 | 10.25 | 1571 | -63.2 |
| 47 | Guyader, Ronan | 1557 | FRA | =24B | −39N | −23B | F | +53N | −51N | F | +41B | −33N | 2.5 | 26.0 | 26.0 | 6.25 | 1594 | +5.8 |
| 48 | Ferry, Damien | 1752 | FRA | −13B | −44N | F | +49B | −20N | F | −21B | =52N | +51N | 2.5 | 21.5 | 21.5 | 4.25 | 1557 | -37.6 |
| 49 | Nezosi, Christophe | 1641 | FRA | −8B | +21N | −28B | −48N | −37N | −53B | +42N | −33B | −45N | 2.0 | 30.0 | 31.0 | 7.50 | 1468 | -38.2 |
| 50 | Zhang, Jinchen | 1643 | NED | −7N | +33B | −35N | =20B | =32N | — | — | — | — | 2.0 | 18.5 | 22.0 | 8.25 | 1666 | +5.3 |
| 51 | Ottl, Eric | 1699 | FRA | −18B | −4N | −31B | F | =52N | +47B | −32N | −24N | −48B | 1.5 | 30.0 | 30.0 | 3.25 | 1461 | -47.0 |
| 52 | Nicot, Anna | 1560 | FRA | −15N | F | −24B | −31N | =51B | −36N | F | =48B | =42N | 1.5 | 24.0 | 24.0 | 3.50 | 1477 | -21.6 |
| 53 | Lefeuvre, Thierry | 1702 | FRA | −43B | −16N | −36B | −21N | −47B | +49N | −33N | −42B | −41N | 1.0 | 28.5 | 30.5 | 2.00 | 1320 | -77.6 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Guiot-Dorel, CharlesFRA+102.07.0 pts · #2
- 2Kerveillant, EthanFRA+93.26.0 pts · #7
- 3Corbeau, LouFRA+82.45.0 pts · #16
Top rating losers
- 1Lefeuvre, ThierryFRA-77.61.0 pts · #53
- 2Trubert, StephaneFRA-67.63.5 pts · #37
- 3Tahar-Chaouch, YazidFRA-63.22.5 pts · #48
Biggest upsets
- R8+178 Elo gap
- R4+175 Elo gap
- R2+161 Elo gap