XXVII. Rhein-Main-Open 2025 Gruppe B

Open SwissStandard

99 players participated in this 7-round tournament, held from 18 Jun 2025 to 22 Jun 2025 in Bad Homburg vor der Hoehe, Germany. 1 titled players from 7 federations. Top 10 Elo average was 1920, and top seed was Vincent Bremer (🇩🇪 GER, 1973).

Norbert Ahrends (🇩🇪 GER, 1964) won with 6.0/7, ahead of Michael Tsiapouris (5.5) and Wolfram Schneider (5.5). Ahrends shared the lead from round 5 and won solo starting round 6.

The biggest upset came in round 1: Tymofiy Nikonenko (1495) beat Theodor Mehlen (1831), a +336-point gap.

Location

🇩🇪Bad Homburg vor der Hoehe, Germany

Dates

18 Jun 2025 → 22 Jun 2025

Time control

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

System

Swiss · 7 rounds

Top seed

🇩🇪Vincent Bremer1973

Avg top 10

1,920

Participants

Titled players · 1

WFM×1

Federations · 7 represented

🇩🇪Germany×87

🇮🇳India×3

🇺🇦Ukraine×2

🇰🇬Kyrgyzstan×1

🇵🇹Portugal×1

🇦🇲Armenia×1

🇪🇸Spain×1

Top 3

🥇
Norbert Ahrends
🇩🇪GER·1964
6.0pts·2086perf+18.2
🥈
Michael Tsiapouris
🇩🇪GER·1882
5.5pts·2081perf+18.4
🥉
Wolfram Schneider
🇩🇪GER·1937
5.5pts·1891perf-4.6

How it unfolded

Top 6 · 7 rounds

Norbert Ahrends led from R6; +0.5-point edge over the runner-up.

Co-leaders

Ahrends6Schneider5.5Tsiapouris5.5Hensel5.5Negru5Reimer5— ex-leaders:Kolkerled R4, #21

R6 · LEADER CHANGE21 Jun

Norbert Ahrends takes the sole lead (5.5/6).

WIN STREAKS · 2 top finishers

Norbert Ahrends 5 wins (R2–R6)Wolfram Schneider 4 wins (R4–R7)

R4 · FORMER LEADER FALL

Vladislav Kolker held the sole lead at R4 but finished #21.

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Norbert Ahrends	*	—	—	½
2Wolfram Schneider	—	*	—	—
3Michael Tsiapouris	—	—	*	—
4Roman Hensel	½	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Ahrends, Norbert	1964	GER	=68N	+61B	+84N	+8B	+5N	+7B	=4N	6.0	26.0	28.0	24.00	2086	+18.2
2	Tsiapouris, Michael, Dr.	1882	GER	+53B	=10N	=44B	+43N	=23B	+19N	+12B	5.5	26.0	29.5	23.00	2081	+18.4
3	Schneider, Wolfram	1937	GER	+76B	−19N	=47B	+59N	+26B	+23N	+20B	5.5	24.0	26.5	20.25	1891	-4.6
4	Hensel, Roman	1779	GER	+86B	=40N	=27B	+44N	+67B	+17N	=1B	5.5	24.0	26.0	19.25	1994	+26.6
5	Francke, Helmut, Dr.	1875	GER	=27B	+21N	+10B	+18N	−1B	=15N	+33B	5.0	29.0	33.0	22.50	1917	+4.4
6	Muehlpfordt, Werner, Dr.	1958	GER	+58B	+35N	=18B	=22N	+17B	=9N	=11B	5.0	27.5	31.0	21.50	1947	-0.2
7	Bremer, Vincent	1973	GER	+47N	+43B	=30N	+33B	+28N	−1N	=9B	5.0	26.5	30.0	19.50	1938	-2.2
8	Reinhardt, Anton	1824	GER	+59B	+48N	+19B	−1N	=22B	=39N	+34B	5.0	26.5	29.5	19.25	1889	+28.8
9	Reimer, Otto	1912	GER	+29N	=42B	+38N	=30B	+31N	=6B	=7N	5.0	26.0	29.5	20.75	1928	+5.8
10	Demenko, Olexandr	0	UKR	+41N	=2B	−5N	+29B	=60N	+31B	+37N	5.0	26.0	29.0	19.75	1795	0.0
11	Meyer-Jany, Marcel	1810	GER	=45B	+78N	+49B	=26N	=19B	+21N	=6N	5.0	25.0	27.5	19.00	1733	-6.8
12	Negru, Maximilian	1694	GER	+69N	−26B	+92N	+52B	+30N	+28B	−2N	5.0	23.5	25.0	15.50	1872	+67.2
13	Barthel, Bergit, Dr.WFM	1918	GER	−46N	=54B	+96N	=27N	+53B	+26N	+32B	5.0	22.5	23.0	15.75	1873	-5.0
14	Spiegel, Nina	1696	GER	+94B	−17N	=73B	+70N	+41B	=32N	+55B	5.0	20.5	21.5	13.75	1847	+20.4
15	Nikonenko, Hlib	1667	GER	=74N	=68B	=29N	+83B	+84N	=5B	+28N	5.0	20.0	22.0	15.00	1831	+52.0
16	Graschdankin, Roman	1756	GER	+51N	−67B	−69N	+72B	+71N	+36B	+30N	5.0	19.0	21.5	16.50	1845	+34.0
17	Fernandez Egea, Andres	1849	ESP	+92N	+14B	=26N	+42B	−6N	−4B	+52N	4.5	26.5	28.0	15.50	1852	+1.6
18	Nahler, Michael, Dr.	1857	GER	+63B	+36N	=6N	−5B	+42N	=33B	=24N	4.5	26.0	29.0	17.25	1885	+7.0
19	Aechtner, Folke	1741	GER	+83N	+3B	−8N	+69B	=11N	−2B	+67N	4.5	26.0	28.0	15.00	1839	+33.2
20	Horz, Juergen	0	GER	+56N	+50B	F	=39N	+38B	+22B	−3N	4.5	25.0	27.5	17.50	1785	0.0
21	Bauer, Lars	0	GER	+71N	−5B	+46N	+35N	=32B	−11B	+62N	4.5	24.5	27.0	15.00	1792	0.0
22	Schneider, Felix	1700	GER	+81B	=49N	+70B	=6B	=8N	−20N	+41B	4.5	24.0	26.5	15.25	1939	+49.6
23	Beier, Martin	1781	GER	=96N	=75B	+56N	+71B	=2N	−3B	+48N	4.5	23.0	23.5	13.75	1847	+20.7
24	Leopold, Dieter	1818	GER	=77B	=45N	=59B	+47N	=40B	+27N	=18B	4.5	22.0	24.5	16.00	1642	-44.4
25	Lebermann, Hellmuth	1886	GER	+72N	=31B	−42N	=68B	+69N	=67B	+50N	4.5	18.5	21.0	13.00	1782	-16.2
26	Lopez Fuertes, Victor	1749	GER	+89N	+12N	=17B	=11B	−3N	−13B	+61N	4.0	28.0	30.0	14.75	1798	+7.4
27	Gao, Chen Fan	0	GER	=5N	+62B	=4N	=13B	=37N	−24B	+63N	4.0	27.0	30.0	15.75	1815	0.0
28	Kolker, Vladislav	1830	GER	+57B	+39N	+34B	+67N	−7B	−12N	−15B	4.0	26.5	29.0	14.00	1800	-5.0
29	Rausch, Pius	1541	GER	−9B	+90N	=15B	−10N	+49B	+43N	=35B	4.0	26.0	28.0	13.50	1732	+36.8
30	Beier, Claus Christian, Dr.	1670	GER	+80B	+93N	=7B	=9N	−12B	+40N	−16B	4.0	26.0	27.0	12.00	1778	+38.4
31	Schloemer, Andreas	1759	GER	+97B	=25N	=32B	+34N	−9B	−10N	+65B	4.0	25.5	25.5	11.25	1869	+18.6
32	Wesener, Joachim, Dr.	1753	GER	+73N	=84B	=31N	+36B	=21N	=14B	−13N	4.0	25.0	27.0	14.25	1760	+1.6
33	Jacobs, Thomas	1801	GER	+85B	=70N	+40B	−7N	+48B	=18N	−5N	4.0	24.0	26.0	12.50	1783	-1.4
34	Nichols, Uwe	1793	GER	+54N	+46B	−28N	−31B	+68N	+45B	−8N	4.0	23.5	26.0	13.00	1743	-7.6
35	Shanmuganathan, Adhav	1719	GER	+60N	−6B	+72N	−21B	=56N	+46B	=29N	4.0	23.5	26.0	12.75	1769	+16.0
36	Henn, Jochen	1723	GER	+98N	−18B	+64N	−32N	+65B	−16N	+60B	4.0	22.5	22.5	9.00	1663	-8.4
37	Mehlen, Theodor	1831	GER	−70B	+88N	+57B	=48N	=27B	+44N	−10B	4.0	22.0	24.0	12.75	1603	-16.8
38	Morgen, Andreas	1766	GER	=88B	+77N	−9B	+73N	−20N	=51B	+59B	4.0	21.0	23.0	10.75	1745	0.0
39	Hofmann, Werner	1780	GER	+91N	−28B	+74N	=20B	+62N	=8B	—	4.0	19.0	20.5	11.75	1843	+6.8
40	Piacentino, Mirco	1623	GER	+52N	=4B	−33N	+50B	=24N	−30B	=51N	3.5	25.0	28.5	13.75	1742	+44.4
41	Bill, Gerhard	0	GER	−10B	+53N	=50N	+66B	−14N	+42B	−22N	3.5	25.0	28.0	11.75	1743	0.0
42	Friedel, Thomas	1721	GER	+99B	=9N	+25B	−17N	−18B	−41N	+70B	3.5	24.5	24.5	9.50	1800	+10.6
43	Smid, Marcel	1631	GER	+82N	−7N	+45B	−2B	=51N	−29B	+69N	3.5	24.0	26.5	10.25	1683	+15.2
44	Gesing, Ewald	0	GER	=75N	+96B	=2N	−4B	+63N	−37B	=45N	3.5	24.0	24.5	9.25	1694	0.0
45	Xu, Dorothea Sicheng	1484	GER	=11N	=24B	−43N	+64B	+66N	−34N	=44B	3.5	23.5	26.5	12.50	1698	+46.8
46	Riazi, Dominik	1607	GER	+13B	−34N	−21B	+74N	=55B	−35N	+80B	3.5	23.5	26.0	11.75	1812	+63.6
47	Ghaznavi, Massoud	1655	GER	−7B	+80N	=3N	−24B	−54N	+81B	+79B	3.5	23.5	26.0	10.25	1726	+8.8
48	Kesavan, Sarvesh	1691	GER	+87N	−8B	+75N	=37B	−33N	+73B	−23B	3.5	22.5	24.5	9.00	1487	-34.4
49	Ju, Eric Zirui	0	GER	+64N	=22B	−11N	−60B	−29N	+74B	+72N	3.5	22.0	24.5	10.25	1595	0.0
50	Mueller, Jens	1692	GER	+79B	−20N	=41B	−40N	+70B	+57N	−25B	3.5	22.0	24.5	10.25	1657	-4.0
51	Fonseca, Luis	1794	POR	−16B	=79N	+88B	=55N	=43B	=38N	=40B	3.5	22.0	24.0	10.50	1663	-36.0
52	Stiller, Harald	1640	GER	−40B	+86N	+65B	−12N	=57B	+77N	−17B	3.5	22.0	24.0	9.25	1645	+2.4
53	Saar, Gabriel	1729	GER	−2N	−41B	+89N	+82B	−13N	+85B	=54N	3.5	22.0	24.0	8.25	1729	-0.4
54	Peschk, Kathrin	1640	GER	−34B	=13N	−76B	+78N	+47B	=71N	=53B	3.5	21.0	23.5	11.50	1704	+8.6
55	Krombach, Karl-Heinz	1899	GER	=61N	=74B	=68N	=51B	=46N	+56B	−14N	3.5	21.0	23.5	11.00	1637	-43.2
56	Viraj Sarawgi	1475	IND	−20B	+91N	−23B	+93N	=35B	−55N	+71B	3.5	20.5	21.5	7.00	1726	+58.0
57	Li, Xiao Teng	1623	GER	−28N	+89B	−37N	+87B	=52N	−50B	+75N	3.5	19.5	21.5	8.25	1426	-33.6
58	Benz, Juergen	1676	GER	−6N	=60B	−83N	+96B	=85N	=72B	+73N	3.5	17.0	17.5	6.75	1691	+2.4
59	Yash Sunil Dalal	1449	IND	−8N	+87B	=24N	−3B	=83N	+82B	−38N	3.0	23.5	25.5	7.75	1620	+31.6
60	Erke, Georg	1634	GER	−35B	=58N	+78B	+49N	=10B	F	−36N	3.0	22.5	22.5	10.25	1433	-29.2
61	Kim, David	1578	KGZ	=55B	−1N	−79B	+88N	=80B	+83N	−26B	3.0	20.5	22.5	7.00	1616	+3.2
62	Ermel, Alek	1760	GER	=78B	−27N	+85B	+76N	−39B	=84N	−21B	3.0	19.5	21.5	6.75	1802	+8.4
63	Klein, Simon	1587	GER	−18N	−64B	+91B	+97N	−44B	+68N	−27B	3.0	19.0	19.0	4.00	1796	+16.2
64	Habetha, Sabine, Dr.	0	GER	−49B	+63N	−36B	−45N	+93B	−76N	+86B	3.0	18.5	19.5	6.00	1607	0.0
65	Hofmann, Marco	1668	GER	F	+98B	−52N	+75B	−36N	+87B	−31N	3.0	16.0	16.0	4.50	907	-53.6
66	Schmid, Herbert, Dr.	1796	GER	−93B	=85N	+77B	−41N	−45B	=86N	+83B	3.0	15.5	16.5	6.50	1461	-41.4
67	Graf, Michael	1724	GER	+90B	+16N	F	−28B	−4N	=25N	−19B	2.5	28.0	30.0	9.25	1649	-9.4
68	Pichl, Johann	1705	GER	=1B	=15N	=55B	=25N	−34B	−63B	=82N	2.5	26.0	28.5	10.75	1667	-8.8
69	Kostadinov, Emanuel	1518	GER	−12B	+94N	+16B	−19N	−25B	=80N	−43B	2.5	25.0	26.0	7.25	1587	+18.8
70	Nikonenko, Tymofiy	1495	UKR	+37N	=33B	−22N	−14B	−50N	+91B	−42N	2.5	24.5	26.0	7.50	1547	+12.0
71	Bensberg, Arno	1742	GER	−21B	+81N	+93B	−23N	−16B	=54B	−56N	2.5	23.5	24.5	5.25	1589	-49.2
72	Moldenhauer, Nils	1639	GER	−25B	+99N	−35B	−16N	+79B	=58N	−49B	2.5	23.0	23.0	4.25	1437	-17.4
73	Wolf, Aurelia	0	GER	−32B	+97N	=14N	−38B	+76B	−48N	−58B	2.5	22.5	22.5	5.00	1578	0.0
74	Jacoby, Jermaine	1579	GER	=15B	=55N	−39B	−46B	=75N	−49N	+91B	2.5	22.0	23.5	7.00	1545	-8.4
75	Habetha, Joachim, Dr.	0	GER	=44B	=23N	−48B	−65N	=74B	+93N	−57B	2.5	20.5	21.5	6.25	1517	0.0
76	Kaiser, Danny	1727	GER	−3N	=83B	+54N	−62B	−73N	+64B	F	2.5	20.0	22.0	7.50	1654	-12.0
77	Glavev, Victor	1443	GER	=24N	−38B	−66N	+89B	+92N	−52B	F	2.5	19.5	21.0	5.75	1597	+29.6
78	Hovhannisyan, Grigor	0	ARM	=62N	−11B	−60N	−54B	−81N	+96B	+87N	2.5	19.0	19.5	4.00	1500	0.0
79	Prasad, Ayush	0	GER	−50N	=51B	+61N	−84B	−72N	+92B	−47N	2.5	18.0	19.5	6.25	1579	0.0
80	Kellermann, Friedrich	1625	GER	−30N	−47B	+98N	=92B	=61N	=69B	−46N	2.5	18.0	18.0	3.50	1429	-61.6
81	Roeckle, Silas	1701	GER	−22N	−71B	=90N	F	+78B	−47N	+93B	2.5	16.0	16.0	4.50	1459	-51.2
82	Lao, Theodora Siyuan	1587	GER	−43B	−92B	+99N	−53N	+97B	−59N	=68B	2.5	14.0	14.0	1.25	1419	-52.0
83	Wanner, Simon	0	GER	−19B	=76N	+58B	−15N	=59B	−61B	−66N	2.0	22.0	24.5	6.25	1504	0.0
84	Wolf, Helena	1702	GER	F	=32N	−1B	+79N	−15B	=62B	—	2.0	20.5	20.5	6.00	1593	-23.2
85	Pishnograev, Ilya	1615	GER	−33N	=66B	−62N	+90B	=58B	−53N	−89B	2.0	19.0	21.0	5.25	1513	-24.0
86	Goodwin, David	1611	GER	−4N	−52B	−87N	=91B	+90N	=66B	−64N	2.0	19.0	20.5	4.25	1466	-10.0
87	Ehm, Oskar	0	GER	−48B	−59N	+86B	−57N	+99B	−65N	−78B	2.0	17.5	17.5	2.00	1368	0.0
88	Gerhardt, Noah	0	GER	=38N	−37B	−51N	−61B	+96N	F	=90B	2.0	17.0	17.0	3.50	1565	0.0
89	Wang, Muhe	0	GER	−26B	−57N	−53B	−77N	F	+97B	+85N	2.0	15.5	15.5	2.00	1477	0.0
90	Vogel, Alexander	0	GER	−67N	−29B	=81B	−85N	−86B	+98N	=88N	2.0	15.0	15.0	2.25	1274	0.0
91	FIDE 533046271	0	—	−39B	−56B	−63N	=86N	+98B	−70N	−74N	1.5	17.5	17.5	1.00	1187	0.0
92	Neff, Oliver	1706	GER	−17B	+82N	−12B	=80N	−77B	−79N	—	1.5	17.0	19.5	3.75	1491	-28.4
93	Pfaff, Helmut	1512	GER	+66N	−30B	−71N	−56B	−64N	−75B	−81N	1.0	18.5	21.0	3.00	1439	-9.2
94	Gaertner-Fritz, Eric	1492	GER	−14N	−69B	−95N	+98B	—	—	—	1.0	8.5	8.5	0.00	837	-18.8
95	Durga Nagesh WR Guttula	1696	IND	F	F	+94B	—	—	—	—	1.0	1.0	1.0	1.00	2292	+9.6
96	Derr, Georg	1586	GER	=23B	−44N	−13B	−58N	−88B	−78N	—	0.5	19.0	21.0	2.25	1518	-12.0
97	Lochmann, Tobias	1452	GER	−31N	−73B	F	−63B	−82N	−89N	F	0.0	14.0	14.0	0.00	845	-15.6
98	FIDE 533014582	0	—	−36B	−65N	−80B	−94N	−91N	−90B	F	0.0	14.0	14.0	0.00	827	0.0
99	FIDE 34648976	0	—	−42N	−72B	−82B	F	−87N	—	—	0.0	10.5	10.5	0.00	849	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Negru, MaximilianGER
+67.2
5.0 pts · #2
2Riazi, DominikGER
+63.6
3.5 pts · #30
3Viraj SarawgiIND
+58.0
3.5 pts · #53

Top rating losers

1Kellermann, FriedrichGER
-61.6
2.5 pts · #74
2Hofmann, MarcoGER
-53.6
3.0 pts · #97
3Lao, Theodora SiyuanGER
-52.0
2.5 pts · #70

Biggest upsets

R1+336 Elo gap
Nikonenko, Tymofiy1495 beat Mehlen, Theodor1831
R5+312 Elo gap
Xu, Dorothea Sicheng1484 beat Schmid, Herbert, Dr.1796
R1+311 Elo gap
Riazi, Dominik1607 beat WFMBarthel, Bergit, Dr.1918