Oberliga Ost 2025-2026 Dezember 2025

Team SwissStandard

81 players participated in this 2-round tournament, held from 06 Dec 2025 to 07 Dec 2025 in various, Germany. 52 titled players from 8 federations. Top 10 Elo average was 2446, and top seed was Dimitrios Mastrovasilis (🇬🇷 GRE, GM, 2521).

Jonas Foerster (🇩🇪 GER, 2218) won with 2.0/2, ahead of Jachym Smolik (2.0) and Alex Dac-Vuong Nguyen (2.0).

The biggest upset came in round 1: Kasimir Lieberwirth (2061) beat Henrik Rudolf (FM, 2296), a +235-point gap.

Location

🇩🇪various, Germany

Dates

06 Dec 2025 → 07 Dec 2025

Time control

Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1

System

Team · 2 rounds

Top seed

🇬🇷GMDimitrios Mastrovasilis2521

Avg top 10

2,446

Participants

Titled players · 52

GM×7

IM×12

FM×28

CM×4

WGM×1

Federations · 8 represented

🇩🇪Germany×59

🇨🇿Czech Republic×8

🇵🇱Poland×6

🇬🇷Greece×2

🇳🇴Norway×1

🇭🇷Croatia×1

🇮🇷Iran×1

🇹🇷Turkiye×1

Top 3

🥇
Jonas Foerster
🇩🇪GER·2218
2.0pts·2987perf+18.4
🥈
FMJachym Smolik
🇨🇿CZE·2388
2.0pts·2979perf+4.7
🥉
IMAlex Dac-Vuong Nguyen
🇩🇪GER·2365
2.0pts·3204perf+11.0

Standings

Click row to expand · Cmd+click name for new tab

#	Player	Fed	Elo	Pts	Avg opp.	Perf	Δ Elo
4	Foerster, Jonas	🇩🇪GER	2218	2.0	2187	2987	+18.4
2	FMSmolik, Jachym	🇨🇿CZE	2388	2.0	2179	2979	+4.7
5	IMNguyen, Alex Dac-Vuong	🇩🇪GER	2365	2.0	2404	3204	+11.0
1	Heinz, Thomas	🇩🇪GER	2069	2.0	2173	2973	+25.8
3	IMSawlin, Leonid	🇩🇪GER	2395	2.0	2269	3069	+6.6
6	FMEilenberg, Jonas	🇩🇪GER	2317	2.0	2217	3017	+14.6
7	FMVitak, Jiri	🇨🇿CZE	2368	2.0	2152	2952	+9.4
8	FMNeumeier, Lars	🇩🇪GER	2304	2.0	2191	2991	+14.0
12	FMGuth, Thomas	🇩🇪GER	2264	1.5	2056	2249	-0.6
15	Schuetze, Norman	🇩🇪GER	2269	1.5	2172	2365	+5.2
13	GMMuse, Mladen	🇭🇷CRO	2363	1.5	2208	2401	+0.9
16	FMKitze, Alexander	🇩🇪GER	2277	1.5	2436	2629	+18.4
18	Herrmann, Arthur	🇩🇪GER	2172	1.5	2196	2389	+22.0
14	Hassemeier, Mika	🇩🇪GER	2113	1.5	2241	2434	+16.8
17	GMTazbir, Marcin	🇵🇱POL	2506	1.5	2403	2596	+2.4
11	IMKonopka, Michal	🇨🇿CZE	2323	1.5	2198	2391	+1.6
9	FMStinka, Jakub	🇨🇿CZE	2375	1.5	2176	2369	-0.2
10	IMLauber, Arnd	🇩🇪GER	2401	1.5	2217	2410	+0.2
40	FMRoesemann, Rainer	🇩🇪GER	2286	1.0	2393	2393	+5.8
22	Proehl, Holger	🇩🇪GER	2312	1.0	2287	2287	-0.7
41	IMSchmidek, Emil	🇩🇪GER	2433	1.0	2390	2390	-1.2
20	Zaehringer, Daniel	🇩🇪GER	2167	1.0	2365	2365	+10.2
27	Lieberwirth, Kasimir	🇩🇪GER	2061	1.0	2257	2257	+10.0
43	Sykora, Ondrej	🇨🇿CZE	2146	1.0	2077	2077	-4.0
23	CMZobel, Christian	🇩🇪GER	2033	1.0	2221	2221	+19.6
19	GMRabiega, Robert	🇩🇪GER	2465	1.0	2310	2310	-4.1
30	FMDauth, Benjamin	🇩🇪GER	2233	1.0	2090	2090	-7.6
35	GMMastrovasilis, Dimitrios	🇬🇷GRE	2521	1.0	2476	2476	-1.2
44	Fischer, Erik	🇩🇪GER	2100	1.0	2187	2187	+4.6
25	Henning, Marvin	🇩🇪GER	2144	1.0	2346	2346	+10.4
28	Poessel, Christian	🇩🇪GER	2012	1.0	2187	2187	+8.8
36	IMFruebing, Stefan	🇩🇪GER	2310	1.0	2250	2250	-1.7
21	FMNatsidis, Christoph	🇩🇪GER	2343	1.0	2436	2436	+5.2
39	GMRichter, Michael	🇩🇪GER	2390	1.0	2269	2269	-3.3
31	GMPlat, Vojtech	🇸🇰SVK	2461	1.0	2295	2295	-4.4
37	Post, Hugo	🇩🇪GER	2176	1.0	2344	2344	+8.8
33	IMSzelag, Marcin	🇵🇱POL	2394	1.0	2312	3112	+3.9
38	IMAhmadinia, Ebrahim	🇮🇷IRI	2405	1.0	2271	3071	+3.2
24	FMGroetzbach, Julian	🇩🇪GER	2176	1.0	2018	2818	+5.8
26	FMMoritz, Aron	🇩🇪GER	2295	1.0	2285	3085	+9.8
29	FMMaetzkow, Maximilian Paul	🇩🇪GER	2254	1.0	2015	2815	+4.0
32	FMTschernatsch, Johannes	🇩🇪GER	2310	1.0	2073	2873	+4.0
34	FMSeils, Joerg	🇩🇪GER	2302	1.0	2084	2884	+2.2
42	FMGlantz, Robert	🇩🇪GER	2380	1.0	2257	3057	+6.6
49	Schnabel, Ralf	🇩🇪GER	2191	0.5	2356	2163	-1.4
55	Richter, Leonard	🇩🇪GER	2212	0.5	2359	2166	-2.2
59	Heinz, Juergen	🇩🇪GER	2067	0.5	2301	2108	+1.4
50	IMBruedigam, Martin	🇩🇪GER	2375	0.5	2390	2197	-4.6
62	Melestean, Timur	🇩🇪GER	2205	0.5	2349	2156	-4.8
65	Niegsch, Nicolas	🇩🇪GER	2271	0.5	2384	2191	-3.8
57	IMPoltorak, Sebastian	🇵🇱POL	2407	0.5	2310	2117	-7.7
64	IMThinius, Marco	🇩🇪GER	2358	0.5	2174	1981	-9.8
48	Vltavsky, Vladimir	🇨🇿CZE	2110	0.5	2056	1863	-12.8
52	WGMZawadzka, Jolanta	🇵🇱POL	2311	0.5	2428	2235	-1.9
53	FMChatzidakis, Mihail	🇬🇷GRE	2329	0.5	2160	1967	-18.8
46	FMStein, Robert	🇩🇪GER	2414	0.5	2404	2211	-5.2
58	IMThiede, Lars	🇩🇪GER	2356	0.5	2215	2022	-8.6
56	FMCerveny, Petr	🇨🇿CZE	2277	0.5	2461	2461	+2.4
63	GMGlek, Igor	🇧🇪BEL	2446	0.5	2521	2521	+1.0
45	FMDathe, Frederick	🇩🇪GER	2281	0.5	2216	2216	-1.8
54	Kyritz, Michael	🇩🇪GER	2136	0.5	2286	2286	+4.0
60	CMMatthes, Aaron	🇩🇪GER	2286	0.5	2136	2136	-4.0
61	FMMoeller, Hendrik	🇩🇪GER	2216	0.5	2281	2281	+1.8
47	Hentze, Markus	🇩🇪GER	2117	0.5	2356	2356	+6.0
51	Djordjevic, Stevan	🇩🇪GER	0	0.5	2093	2093	0.0
72	FMKunze, Carlo	🇩🇪GER	2236	0.0	2336	1536	-14.6
68	CMTiarks, Jann-Christian	🇩🇪GER	2222	0.0	2359	1559	-12.8
81	FMSolberg, Joachim	🇳🇴NOR	2146	0.0	2340	1540	-10.0
73	Pallas, Sebastian	🇩🇪GER	2252	0.0	2393	1593	-12.4
77	FMLudvik, Tomas	🇨🇿CZE	2285	0.0	2506	1706	-4.4
71	CMUgorek, Kacper	🇵🇱POL	2248	0.0	2113	1313	-27.2
75	Hoerr, Matthias	🇩🇪GER	2084	0.0	2224	1424	-12.6
70	FMPrzybylski, Wojciech	🇵🇱POL	2342	0.0	2167	1367	-14.6
66	Waldmann, Hans-Joachim	🇩🇪GER	2285	0.0	2295	1495	-9.8
67	Bashtavy, Anton	🇩🇪GER	2015	0.0	2254	1454	-8.0
69	Gelman, Josef	🇩🇪GER	2073	0.0	2309	1509	-4.0
74	FMBuyukasik, Diyap	🇹🇷TUR	2257	0.0	2380	1580	-6.6
76	FMPeters, Andreas	🇩🇪GER	2230	0.0	2310	1510	-7.8
80	Hoermann, David	🇩🇪GER	2017	0.0	2176	1376	-5.8
79	Mueller, Michael	🇩🇪GER	2199	0.0	2069	1269	-13.6
78	FMRudolf, Henrik	🇩🇪GER	2296	0.0	2061	1261	-15.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Heinz, ThomasGER
+25.8
2.0 pts · #1
2Herrmann, ArthurGER
+22.0
1.5 pts · #18
3Zobel, ChristianCMGER
+19.6
1.0 pts · #23

Top rating losers

1Ugorek, KacperCMPOL
-27.2
0.0 pts · #71
2Chatzidakis, MihailFMGRE
-18.8
0.5 pts · #53
3Rudolf, HenrikFMGER
-15.8
0.0 pts · #78

Biggest upsets

R1+235 Elo gap
Lieberwirth, Kasimir2061 beat FMRudolf, Henrik2296
R2+186 Elo gap
Herrmann, Arthur2172 beat IMThinius, Marco2358
R1+185 Elo gap
Henning, Marvin2144 beat FMChatzidakis, Mihail2329