14. Wasserschloss-OPEN-Inzlingen B-Turnier

Open SwissStandard

43 players participated in this 5-round tournament, held from 27 Feb 2026 to 01 Mar 2026 in Inzlingen, Germany. 3 federations represented. Top 10 Elo average was 1747, and top seed was Frank Schambach (🇩🇪 GER, 1879).

Eric Backhaus (🇩🇪 GER, 1715) won with 4.5/5, ahead of Eric Buerkle (4.0). Backhaus won solo starting round 4.

The biggest upset came in round 5: Lukas Wegener (1539) beat Frank Schambach (1879), a +340-point gap.

Location

🇩🇪Inzlingen, Germany

Dates

27 Feb 2026 → 01 Mar 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Top seed

🇩🇪Frank Schambach1879

Avg top 10

1,747

Participants

Federations · 3 represented

🇩🇪Germany×13

🇨🇭Switzerland×7

🇱🇮Liechtenstein×1

Top 3

🥇
Eric Backhaus
🇩🇪GER·1715
4.5pts·2105perf+35.8
🥈
Eric Buerkle
🇩🇪GER·1801
4.0pts·1903perf+10.0
🥉
FIDE 533077258
—
4.0pts·1759perf0.0

How it unfolded

Top 6 · 5 rounds

Eric Backhaus led from R4; +0.5-point edge over the runner-up.

Co-leaders

Backhaus4.54Buerkle4Stolper4Frey3.5Wegener3.5

R4–R5 · LEAD HELD

Eric Backhaus held the sole lead from R4 through R5 without losing it.

R1–R4 · WIN STREAK

Eric Backhaus won 4 in a row (R1–R4).

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Eric Backhaus	*	—	½	—
2FIDE 533077258	—	*	½	½
3Eric Buerkle	½	½	*	—
4Felix Stolper	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Backhaus, Eric	1715	GER	+41B	+27N	+14N	+16B	=2N	4.5	12.0	12.0	10.00	2105	+35.8
2	Buerkle, Eric	1801	GER	+42B	+21N	=3B	+6N	=1B	4.0	14.5	14.5	10.25	1903	+10.0
3	FIDE 533077258	0	—	+20B	+17N	=2N	=4B	+16N	4.0	14.0	16.5	12.50	1759	0.0
4	Stolper, Felix	1799	SUI	+32B	=6N	+19B	=3N	+12B	4.0	13.0	15.0	11.25	1704	-5.2
5	Frey, Rudolf	1692	GER	+23N	=8B	=15N	+22B	=11N	3.5	12.5	15.0	10.00	1683	-0.6
6	Sigacheva, Varvara	1705	GER	+39N	=4B	+28N	−2B	+20N	3.5	12.5	13.5	7.50	1607	-9.6
7	Isch,Moritz	1597	SUI	+29N	=12B	=8N	+26B	=9N	3.5	12.0	14.0	9.00	1590	-0.2
8	Oktai, Niklas	1590	GER	+40B	=5N	=7B	=20N	+21B	3.5	12.0	13.0	8.25	1645	+6.0
9	Reusser, Steve	0	SUI	−19N	+29B	+31N	+23B	=7B	3.5	10.5	12.5	8.25	1597	0.0
10	Wegener, Lukas	1539	GER	−13N	+36B	+30N	=15B	+27N	3.5	10.0	11.5	7.00	1717	+34.0
11	Bonitz, Ronny	1612	GER	−26N	+38B	+41N	+13B	=5B	3.5	9.5	9.5	5.75	1903	+30.8
12	Oser, Artur	0	GER	+?B	=7N	=13N	+14B	−4N	3.0	13.5	13.5	6.25	1726	0.0
13	Bolettieri, Sandro	1727	SUI	+10B	=19N	=12B	−11N	+31B	3.0	12.5	14.5	8.25	1576	-8.0
14	Klipsch, Norbert	1779	GER	+24B	+22N	−1B	−12N	+30B	3.0	12.5	14.5	7.00	1717	-3.4
15	Roethlin, Lara	1432	SUI	=33B	+37N	=5B	=10N	=18B	3.0	12.0	13.5	7.50	1684	+52.4
16	Sriram, Aumkar	1619	GER	+38N	+35B	+26N	−1N	−3B	3.0	12.0	13.0	4.50	915	-14.4
17	FIDE 533055220	0	—	=28N	−3B	=36N	+38B	+29N	3.0	9.5	10.5	4.75	1448	0.0
18	Stoos, Laura-Alice	1652	GER	+43N	−26B	=23N	+28B	=15N	3.0	9.5	9.5	4.75	1432	-11.2
19	FIDE 533077312	0	—	+9B	=13B	−4N	−21N	+26B	2.5	13.0	15.0	7.00	1570	0.0
20	FIDE 533077304	0	—	−3N	+43B	+35N	=8B	−6B	2.5	12.5	12.5	3.25	1454	0.0
21	FIDE 533074143	0	—	+30N	−2B	=33N	+19B	−8N	2.5	12.0	14.0	5.50	896	0.0
22	Kessler, Juergen	1719	GER	+34N	−14B	+24N	−5N	=25B	2.5	11.5	13.5	5.75	936	-19.2
23	FIDE 533077150	0	—	−5B	+40N	=18B	−9N	+35B	2.5	11.5	12.5	4.00	1479	0.0
24	FIDE 533077290	0	—	−14N	+34B	−22B	=35N	+36N	2.5	9.0	10.5	4.25	1524	0.0
25	FIDE 533077860	0	—	F	−30B	+34N	+32B	=22N	2.5	8.5	8.5	5.25	1719	0.0
26	FIDE 533077169	0	—	+11B	+18N	−16B	−7N	−19N	2.0	13.0	15.5	6.50	1619	0.0
27	Schambach, Frank	1879	GER	+31N	−1B	+32N	F	−10B	2.0	12.0	12.0	4.00	827	-32.0
28	Quartenoud, Pascal	0	SUI	=17B	+33N	−6B	−18N	=37B	2.0	11.5	13.0	4.25	1337	0.0
29	FIDE 533078157	0	—	−7B	−9N	+39B	+37N	−17B	2.0	11.5	12.5	2.50	1536	0.0
30	FIDE 16249968	0	—	−21B	+25N	−10B	+41N	−14N	2.0	11.5	11.5	2.50	860	0.0
31	FIDE 533052255	0	—	−27B	+42N	−9B	+33B	−13N	2.0	10.5	10.5	2.00	1003	0.0
32	FIDE 533057168	0	—	−4N	+39B	−27B	−25N	+40B	2.0	9.5	10.5	2.00	1039	0.0
33	FIDE 34636145	0	—	=15N	−28B	=21B	−31N	+41B	2.0	9.5	9.5	2.75	1432	0.0
34	FIDE 533077819	0	—	−22B	−24N	−25B	+39N	+42B	2.0	8.5	8.5	1.00	919	0.0
35	FIDE 533077835	0	—	+37B	−16N	−20B	=24B	−23N	1.5	10.5	12.0	2.75	1546	0.0
36	Heron, Doris	1448	LIE	F	−10N	=17B	+42N	−24B	1.5	9.0	9.0	1.50	739	-7.6
37	Mansour, Shahram	1475	SUI	−35N	−15B	+43N	−29B	=28N	1.5	8.5	8.5	1.00	632	-11.2
38	FIDE 533022771	0	—	−16B	−11N	+40B	−17N	−?B	1.0	10.5	10.5	1.00	814	0.0
39	FIDE 1396714	0	—	−6B	−32N	−29N	−34B	+43N	1.0	9.5	9.5	0.00	904	0.0
40	FIDE 1380346	0	—	−8N	−23B	−38N	+43B	−32N	1.0	9.0	9.0	0.00	790	0.0
41	FIDE 533077843	0	—	−1N	F	−11B	−30B	−33N	0.0	12.0	12.0	0.00	864	0.0
42	FIDE 34687939	0	—	−2N	−31B	−?N	−36B	−34N	0.0	9.5	9.5	0.00	825	0.0
43	FIDE 533077827	0	—	−18B	−20N	−37B	−40N	−39B	0.0	8.0	9.0	0.00	763	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Roethlin, LaraSUI
+52.4
3.0 pts · #2
2Backhaus, EricGER
+35.8
4.5 pts · #1
3Wegener, LukasGER
+34.0
3.5 pts · #4

Top rating losers

1Schambach, FrankGER
-32.0
2.0 pts · #37
2Kessler, JuergenGER
-19.2
2.5 pts · #35
3Sriram, AumkarGER
-14.4
3.0 pts · #43

Biggest upsets

R5+340 Elo gap
Wegener, Lukas1539 beat Schambach, Frank1879
R2+164 Elo gap
Backhaus, Eric1715 beat Schambach, Frank1879
R4+115 Elo gap
Bonitz, Ronny1612 beat Bolettieri, Sandro1727