4eme Open Altorf - Obernai - Tournoi A

Open SwissStandard

114 players participated in this 6-round tournament, held from 25 Oct 2025 to 26 Oct 2025 in Obernai, France. 3 federations represented. Top 10 Elo average was 1758, and top seed was Nicephore Pierron Bejan (🇫🇷 FRA, 1798).

David Billey (🇫🇷 FRA, 1604) won with 5.5/6, ahead of Djibril Sissaoui (5.5) and Nicole Schad (5.5). Billey shared the lead from round 5, winning on tie-break.

The biggest upset came in round 1: Lucy Lefevre (1448) beat Delphine Bergmann (1741), a +293-point gap.

Location

🇫🇷Obernai, France

Dates

25 Oct 2025 → 26 Oct 2025

Time control

Standard: 50 minutes with 10 seconds increment from move 1

System

Swiss · 6 rounds

Top seed

🇫🇷Nicephore Pierron Bejan1798

Avg top 10

1,758

Participants

114

Federations · 3 represented

🇫🇷France×97

🇩🇪Germany×4

🇷🇴Romania×1

Top 3

🥇
David Billey
🇫🇷FRA·1604
5.5pts·2078perf+44.8
🥈
Djibril Sissaoui
🇫🇷FRA·1709
5.5pts·2041perf+59.6
🥉
Nicole Schad
🇫🇷FRA·1764
5.5pts·1986perf+42.4

How it unfolded

Top 6 · 6 rounds

Tight race until R6; 3 players tied at 5.5/6, decided on Buchholz. Title race narrowed from 6 co-leaders at R4 to 3 at the finish.

Co-leaders

Schad5.5Billey5.5Sissaoui5.5Lefevre5Deschamps5Bousmat5

R6 · TIEBREAK CLUSTER

3 players finish on 5.5/6. Billey takes the title on Buchholz Cut1 (22.0).

R6 · HEAD-TO-HEAD · WINNER VS 2ND

Nicole Schad drew with David Billey (White).

WIN STREAKS · 3 top finishers

Nicole Schad 5 wins (R1–R5)David Billey 5 wins (R1–R5)Djibril Sissaoui 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Nicole Schad	*	½	—	—
2David Billey	½	*	—	—
3Djibril Sissaoui	—	—	*	1
4Claude Lefevre	—	—	0	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Billey, David	1604	FRA	+103N	+30B	+18N	+36B	+5B	=3N	5.5	22.0	23.0	20.25	2078	+44.8
2	Sissaoui, Djibril	1709	FRA	+55N	+51B	+16N	+8B	+4N	=7B	5.5	21.0	24.0	21.75	2041	+59.6
3	Schad, Nicole	1764	FRA	+52N	+64B	+11N	+46B	+6N	=1B	5.5	21.0	24.0	21.25	1986	+42.4
4	Lefevre, Claude	1784	FRA	+54B	+28N	+19B	+17N	−2B	+20N	5.0	21.5	24.5	19.00	1911	+35.6
5	Deschamps, Quentin	1737	FRA	+97N	+37B	+23N	+7B	−1N	+19B	5.0	21.5	23.5	18.00	1892	+22.0
6	Bousmat, Adan	1655	FRA	+104B	+26N	+25B	+35N	−3B	+17N	5.0	21.0	22.0	16.50	1927	+72.0
7	Pierron Bejan, Nicephore	1798	FRA	+84B	+22N	+32B	−5N	+49B	=2N	4.5	21.5	23.5	15.75	1839	+13.6
8	Huber, Ben	1741	GER	+66B	+12N	+49B	−2N	=13B	+41N	4.5	21.0	24.0	16.25	1793	+17.2
9	Kinnbacher, Claude	1694	FRA	+71B	+40N	=35B	+39N	=20B	=12N	4.5	19.0	22.0	16.00	1753	+8.4
10	Callet, Paul	1542	FRA	+87N	=18B	+47N	=21B	=11N	+36B	4.5	19.0	21.0	14.75	1824	+74.0
11	Schildknecht, Stephane	1660	FRA	+93B	+67N	−3B	+95N	=10B	+38N	4.5	18.5	20.5	12.75	1464	-10.2
12	Piona, Robert	1575	FRA	+77N	−8B	+50N	+73B	+46N	=9B	4.5	17.5	20.0	13.25	1723	+11.8
13	Mertz, Enzo	1628	FRA	+91N	+50B	−36N	+54B	=8N	+35N	4.5	17.5	19.5	13.75	1776	+37.6
14	Klein, Denis	1677	FRA	+63N	−16B	+48N	+51B	=37N	+40B	4.5	17.0	20.0	14.25	1830	+11.0
15	Voss, Paul	1727	FRA	+86N	=47B	−20N	+74B	+52N	+37B	4.5	16.0	18.0	12.50	1708	-1.6
16	Leroy, Thibault	0	FRA	+24B	+14N	−2B	+29N	−19B	+70N	4.0	22.0	25.0	15.50	1685	0.0
17	Brunstein, Joachim	1719	FRA	+69N	+75B	+43N	−4B	+23N	−6B	4.0	20.5	23.0	13.00	1709	-2.0
18	Leboucher, Pascal	1722	FRA	+53B	=10N	−1B	=27N	+76B	+68N	4.0	20.0	22.5	12.75	1590	-15.8
19	Strievi, Leonie	1690	FRA	+88N	+48B	−4N	+58B	+16N	−5N	4.0	20.0	22.0	12.00	1630	-11.2
20	Schlupp, Emma	1643	FRA	=83B	+101N	+15B	+31N	=9N	−4B	4.0	20.0	21.5	13.25	1832	+39.2
21	Losseroy, Pierre	1714	FRA	+110B	=39N	+27B	=10N	=40B	=22N	4.0	19.5	20.5	12.75	1605	-13.2
22	Eschbach, Martial	1616	FRA	+45N	−7B	+55N	+57B	=36N	=21B	4.0	18.5	21.5	13.25	1665	+11.2
23	Amiel, Jody	1624	FRA	+38B	+82N	−5B	+53N	−17B	+61N	4.0	18.5	20.5	11.50	1507	-9.2
24	Vitu, Ludovic	1653	FRA	−16N	+63B	+86N	+33B	−30N	+54B	4.0	18.0	20.0	12.00	2242	+13.8
25	Guillaume, Alexis	1740	FRA	+61N	+60B	−6N	−37B	+48N	+47B	4.0	17.5	20.5	12.00	1656	-21.2
26	Malgras, Alexis	0	FRA	+58N	−6B	=74N	=47B	+51N	+64B	4.0	17.0	19.5	11.75	1561	0.0
27	Amzilali, Safwane	1502	FRA	+94N	=56B	−21N	=18B	+63N	+46B	4.0	17.0	19.0	11.50	1717	+43.6
28	Zsambokrethy, Michel	1605	FRA	+92B	−4B	+80N	+62N	−32B	+53N	4.0	17.0	19.0	10.00	941	-25.6
29	Puloch, Dominique	1584	FRA	−50N	+91B	+44N	−16B	+55N	+57B	4.0	16.5	18.5	11.50	2211	+5.4
30	Sommer, Richard	1744	GER	+76B	−1N	+42B	+65N	+24B	—	4.0	16.0	18.5	13.00	1605	0.0
31	Bergmann, Delphine	1741	FRA	−48N	+88B	+61N	−20B	+69N	+58B	4.0	16.0	18.0	11.00	1522	-21.8
32	Kosmicki, Thomas	1699	FRA	+57N	+74B	−7N	+60B	+28N	—	4.0	14.5	17.0	12.50	1807	+13.8
33	Callet, Louis	1457	FRA	−35B	+112N	+81B	−24N	+85B	+49N	4.0	14.5	15.0	7.50	1576	+15.6
34	Barthel, Michel	1491	FRA	−102N	−80B	+103N	+50B	+73N	+59B	4.0	11.5	12.5	9.50	2476	+14.8
35	Onea, Vlad	1793	ROU	+33N	+98B	=9N	−6B	+39N	−13B	3.5	21.5	23.5	11.75	1648	-40.8
36	Moulin, Marie	1738	FRA	+95B	+65N	+13B	−1N	=22B	−10N	3.5	21.5	23.5	11.50	1583	-20.6
37	Wang, Ruizhe	1555	FRA	+107B	−5N	+71B	+25N	=14B	−15N	3.5	21.0	22.0	10.25	1633	+13.6
38	Onoicenco, Mihai	0	FRA	−23N	+79B	+75N	=43B	+56N	−11B	3.5	17.5	20.0	9.75	1622	0.0
39	Buchholtz, Mateo	1536	FRA	+85N	=21B	+56N	−9B	−35B	+78N	3.5	17.5	19.5	9.50	1661	+33.6
40	Zuo, Leon	1471	FRA	+109N	−9B	+102N	+59B	=21N	−14N	3.5	17.0	18.0	7.00	1603	+24.0
41	Hasenfratz, Lucie	1621	FRA	+80N	+102B	−46N	=52B	+45N	−8B	3.5	16.0	17.0	8.00	1370	-18.6
42	Huber, Andreas Theodor	0	GER	=59N	+111B	−30N	+89B	−43N	+75B	3.5	15.0	16.0	7.00	1611	0.0
43	Wiedemann, Michel	1618	FRA	+99B	+62N	−17B	=38N	+42B	—	3.5	14.0	16.0	10.25	920	-7.2
44	Schweitzer, Sebastien	0	FRA	+90B	−49N	−29B	+79B	=75N	+89B	3.5	14.0	16.0	7.75	1591	0.0
45	Schneider, Samy	0	FRA	−22B	=84N	+101B	+98N	−41B	+74B	3.5	14.0	15.5	7.00	1558	0.0
46	Morgel, Alexander	1733	GER	+78B	+70N	+41B	−3N	−12B	−27N	3.0	20.5	23.0	9.00	1574	-48.8
47	Rossignon, Yannick	1540	FRA	+81B	=15N	−10B	=26N	+71B	−25N	3.0	20.0	22.0	9.25	1396	-10.0
48	Lefevre, Lucy	1448	FRA	+31B	−19N	−14B	+67N	−25B	+92N	3.0	19.5	21.5	9.00	1519	+11.2
49	Chainbaux, Thierry	1657	FRA	+106N	+44B	−8N	+68B	−7N	−33B	3.0	19.5	20.5	7.50	1429	-23.6
50	Weckerle, Sacha	0	FRA	+29B	−13N	−12B	−34N	+98B	+84N	3.0	19.0	21.0	8.00	1556	0.0
51	Loze, Hugo	1498	FRA	+108B	−2N	+67B	−14N	−26B	+83N	3.0	19.0	20.0	6.00	893	-19.6
52	Schlupp, Lea	1455	FRA	−3B	+92N	+82B	=41N	−15B	=56B	3.0	18.5	20.5	7.25	1511	+8.8
53	Canales Balavoine, Anthony	0	FRA	−18N	+85B	+64N	−23B	+60N	−28B	3.0	18.0	20.0	8.00	1433	0.0
54	Molinari, Pierre	1455	FRA	−4N	+103B	+105B	−13N	+62B	−24N	3.0	17.5	18.5	5.00	879	-13.4
55	Bernuzzi, Elio	0	FRA	−2B	+114N	−22B	+82N	−29B	+81N	3.0	17.5	17.5	4.00	837	0.0
56	Lambert, Paul	1700	FRA	+72B	=27N	−39B	+78N	−38B	=52N	3.0	17.0	19.5	9.00	1476	-22.2
57	Canales Balavoine, Adrian	0	FRA	−32B	+108N	+90B	−22N	+65B	−29N	3.0	17.0	18.0	6.00	1537	+30.4
58	Scibetta, Louis	1551	FRA	−26B	+104N	+83B	−19N	+72B	−31N	3.0	17.0	18.0	6.00	1492	-10.0
59	Stiff, Jeremy	1680	FRA	=42B	=83N	+76B	−40N	+66B	−34N	3.0	16.5	18.5	8.25	1461	-43.6
60	Callet, Samuel	1562	FRA	+96B	−25N	+72B	−32N	−53B	+93N	3.0	16.0	18.0	7.00	918	-22.8
61	Zsambokrethy, Hubert	1439	FRA	−25B	+113N	−31B	+96N	+90B	−23B	3.0	16.0	16.0	4.00	1481	+3.0
62	Vitu, Theo	0	FRA	+68N	−43B	+111N	−28B	−54N	+88B	3.0	15.5	16.5	6.00	1457	0.0
63	Hubert, Eric	0	FRA	−14B	−24N	+107B	+105N	−27B	+90N	3.0	15.5	16.5	4.00	1414	0.0
64	Aubry, Martin	1578	FRA	+113B	−3N	−53B	+106N	+95B	−26N	3.0	15.5	15.5	3.00	969	0.0
65	Morel, Julien	1555	FRA	+73N	−36B	+94N	−30B	−57N	+91B	3.0	15.0	17.0	6.50	775	-38.0
66	Wagner, Jacques	1448	FRA	−8N	−73B	+77N	+87B	−59N	+85B	3.0	14.5	16.5	6.50	908	-13.6
67	Wang, Elie	0	FRA	+89N	−11B	−51N	−48B	+102N	+86B	3.0	14.5	15.5	5.00	1447	0.0
68	Defauchy, Claude	1495	FRA	−62B	+99N	+96B	−49N	+81B	−18B	3.0	14.0	16.0	6.00	889	-19.6
69	Plumere, Maxime	1400	FRA	−17B	−81N	+92B	+?N	−31B	+82N	3.0	14.0	14.0	4.00	932	0.0
70	Guesnerot, Maurice	1552	FRA	+100N	−46B	−73N	+80B	+88N	−16B	3.0	13.5	15.5	6.00	937	-5.2
71	Gauthier, Alexandre	0	FRA	−9N	+109B	−37N	+102B	−47N	+105B	3.0	13.0	14.0	3.00	799	0.0
72	FIDE 560024143	0	—	−56N	+?B	−60N	+94B	−58N	+87B	3.0	13.0	13.0	4.00	800	0.0
73	Faulhaber, Leon	0	FRA	−65B	+66N	+70B	−12N	−34B	=76N	2.5	17.5	20.0	7.25	1452	0.0
74	Rocha, Antonio	1465	FRA	+105B	−32N	=26B	−15N	+101B	−45N	2.5	17.5	18.5	4.50	913	-15.6
75	Muller, Clement	1505	FRA	+114B	−17N	−38B	+83N	=44B	−42N	2.5	16.5	16.5	3.75	920	-9.2
76	Garcia, Manuel	1448	FRA	−30N	+77B	−59N	+100B	−18N	=73B	2.5	16.0	18.0	5.75	899	-15.2
77	Barre, Thibault	0	FRA	−12B	−76N	−66B	+99N	=79N	+94B	2.5	14.5	16.5	5.25	1169	0.0
78	Pierron Bejan, Elisa	1406	FRA	−46N	+87B	=89N	−56B	+97N	−39B	2.5	13.5	15.5	5.00	1445	+4.8
79	Arbez, Joseph	1497	FRA	−82B	−38N	+84B	−44N	=77B	+101N	2.5	13.5	15.0	4.75	2263	+17.6
80	Robiglio, Laetitia	0	FRA	−41B	+34N	−28B	−70N	−82B	+?N	2.0	16.5	16.5	4.00	1376	0.0
81	Mirabelli, Leon	0	FRA	−47N	+69B	−33N	+97B	−68N	−55B	2.0	16.0	18.0	5.00	1287	0.0
82	Vitu, Lucas	0	FRA	+79N	−23B	−52N	−55B	+80N	−69B	2.0	15.5	17.5	4.50	1403	0.0
83	Mastroberardino, Danilo	0	FRA	=20N	=59B	−58N	−75B	+108N	−51B	2.0	15.5	16.5	4.50	1337	0.0
84	Wild, Christophe	1463	FRA	−7N	=45B	−79N	+111B	=89N	−50B	2.0	15.5	16.5	3.75	1502	+2.4
85	Mommer, Jean	0	FRA	−39B	−53N	+104B	+86B	−33N	−66N	2.0	15.5	16.5	3.00	1379	0.0
86	Vancon, Timael	1403	FRA	−15B	+107N	−24B	−85N	+96B	−67N	2.0	15.5	16.5	3.00	891	-13.6
87	Meknouni, Martin	0	FRA	−10B	−78N	+93B	−66N	+106B	−72N	2.0	15.0	16.0	3.00	664	0.0
88	Gocel, Jules	0	FRA	−19B	−31N	+113B	+109N	−70B	−62N	2.0	15.0	15.0	1.00	862	0.0
89	Belhomme, Vincent	1600	FRA	−67B	+93N	=78B	−42N	=84B	−44N	2.0	14.5	16.5	4.25	1438	-15.2
90	Kermann, Richard	1608	FRA	−44N	+106B	−57N	+91B	−61N	−63B	2.0	14.5	15.5	3.00	625	-57.6
91	Mignard, Pierrick	0	FRA	−13B	−29N	+108B	−90N	+?B	−65N	2.0	14.5	14.5	1.00	782	0.0
92	FIDE 560024208	0	—	−28N	−52B	−69N	+114N	+109B	−48B	2.0	14.0	14.0	1.00	702	0.0
93	FIDE 544050941	0	—	−11N	−89B	−87N	+103B	+100N	−60B	2.0	13.5	14.5	3.00	797	0.0
94	FIDE 527067505	0	—	−27B	+110N	−65B	−72N	+104B	−77N	2.0	13.5	14.5	2.00	1367	0.0
95	Schneider, Laurent	0	FRA	−36N	+100B	+98N	−11B	−64N	—	2.0	13.0	15.0	4.00	1547	0.0
96	Chaumet, Joshua	0	FRA	−60N	+97B	−68N	−61B	−86N	+106B	2.0	13.0	14.0	3.00	1226	0.0
97	Piona, Leane	1416	FRA	−5B	−96N	+112B	−81N	−78B	+107N	2.0	12.5	13.0	1.50	775	-26.8
98	Rosique, Sacha	1616	FRA	+112B	−35N	−95B	−45B	−50N	+113N	2.0	12.5	12.5	0.50	993	-10.8
99	Schlupp, Mia	0	FRA	−43N	−68B	−?N	−77B	+103N	+102B	2.0	11.0	11.0	2.00	755	0.0
100	FIDE 560020784	0	—	−70B	−95N	+110B	−76N	−93B	+104N	2.0	10.5	11.5	2.00	1347	0.0
101	Weiss Cornuet, Lucas	0	FRA	=111N	−20B	−45N	+110B	−74N	−79B	1.5	13.5	14.5	1.50	1202	0.0
102	Vogler, Matteo	0	FRA	+34B	−41N	−40B	−71N	−67B	−99N	1.0	17.0	19.0	4.00	1405	0.0
103	Sigward, Marcel	0	FRA	−1B	−54N	−34B	−93N	−99B	+114N	1.0	16.5	16.5	0.00	717	0.0
104	Kieffer, Selene	0	FRA	−6N	−58B	−85N	+113B	−94N	−100B	1.0	14.0	14.0	0.00	800	-21.2
105	Zorn, Thibaud	0	FRA	−74N	F	−54N	−63B	+112B	−71N	1.0	12.0	12.0	0.50	662	0.0
106	FIDE 653021665	0	—	−49B	−90N	+114B	−64B	−87N	−96N	1.0	12.0	12.0	0.00	824	0.0
107	FIDE 527025993	0	—	−37N	−86B	−63N	=112N	=111B	−97B	1.0	11.5	12.0	0.75	1149	0.0
108	FIDE 80432263	0	—	−51N	−57B	−91N	F	−83B	+110N	1.0	11.0	11.0	1.00	654	0.0
109	FIDE 527067513	0	—	−40B	−71N	F	−88B	−92N	+112N	1.0	11.0	11.0	0.50	671	0.0
110	Assakali, Yahya	0	FRA	−21N	−94B	−100N	−101N	+114B	−108B	1.0	10.5	10.5	0.00	913	0.0
111	Ferrere, Isabelle	1475	FRA	=101B	−42N	−62B	−84N	=107N	—	1.0	10.0	11.0	1.25	663	-20.8
112	FIDE 560024186	0	—	−98N	−33B	−97N	=107B	−105N	−109B	0.5	10.0	11.0	0.50	702	0.0
113	FIDE 560024232	0	—	−64N	−61B	−88N	−104N	F	−98B	0.0	11.0	11.0	0.00	691	0.0
114	FIDE 533059551	0	—	−75N	−55B	−106N	−92B	−110N	−103B	0.0	9.5	10.5	0.00	710	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Callet, PaulFRA
+74.0
4.5 pts · #12
2Bousmat, AdanFRA
+72.0
5.0 pts · #9
3Sissaoui, DjibrilFRA
+59.6
5.5 pts · #17

Top rating losers

1Kermann, RichardFRA
-57.6
2.0 pts · #82
2Morgel, AlexanderGER
-48.8
3.0 pts · #21
3Stiff, JeremyFRA
-43.6
3.0 pts · #39

Biggest upsets

R1+293 Elo gap
Lefevre, Lucy1448 beat Bergmann, Delphine1741
R6+231 Elo gap
Amzilali, Safwane1502 beat Morgel, Alexander1733
R4+209 Elo gap
Zuo, Leon1471 beat Stiff, Jeremy1680