2. Offene Deutsche Einzelmeisterschaft der Schachspieler mit Behinderung (ODBEM)
Open SwissStandard
24 players participated in this 7-round tournament, held from 19 Aug 2025 to 23 Aug 2025 in Ostfildern, Germany. 1 titled players. Top 10 Elo average was 1989, and top seed was Sergej Salov (🇩🇪 GER, IM, 2173).
Mario Born (🇩🇪 GER, 2109) won with 6.5/7, ahead of Sergej Salov (6.0) and David-Andrei Valean (5.0). Born won solo starting round 2.
The biggest upset came in round 7: Max Leon Knudsen (1452) beat Mark Vlad (1645), a +193-point gap.
Location
🇩🇪Ostfildern, Germany
Dates
19 Aug 2025 → 23 Aug 2025
Time control
Standard: 40 Moves in 60 Min. Incr. 30 Sec. / / 30 Min. Incr. 30 Sec.
System
Swiss · 7 rounds
Titled players · 1
IM×1
Federations · 1 represented
🇩🇪Germany×23
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 7 roundsMario Born led from R2; +0.5-point edge over the runner-up.
Co-leaders
10
1
1
1
1
1
1
R2–R7 · LEAD HELD
Mario Born held the sole lead from R2 through R7 without losing it.
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Mario Born drew with IM Sergej Salov (Black).
WIN STREAKS · 2 top finishers
Mario Born 3+3 wins (R1–R3, R5–R7)IM Sergej Salov 3 wins (R5–R7)
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Mario Born | * | ½ | 1 | — |
| 2IMSergej Salov | ½ | * | ½ | 1 |
| 3David-Andrei Valean | 0 | ½ | * | 1 |
| 4Ben Kaufmann | — | 0 | 0 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Born, Mario | 2109 | GER | +9B | +5N | +16B | =2N | +3N | +4B | +10N | 6.5 | 26.0 | 29.0 | 26.00 | 2397 | +36.6 |
| 2 | Salov, SergejIM | 2173 | GER | +4B | =3N | +11B | =1B | +6N | +5N | +9B | 6.0 | 27.0 | 30.5 | 24.75 | 2266 | +13.0 |
| 3 | Valean, David-Andrei | 1985 | GER | +10B | =2B | +6N | =4N | −1B | +7B | +12N | 5.0 | 28.0 | 31.5 | 20.00 | 2057 | +23.6 |
| 4 | Oezden, Kadir | 1901 | GER | −2N | +7B | +12N | =3B | +13N | −1N | =16B | 4.0 | 28.5 | 31.5 | 15.00 | 2000 | +15.0 |
| 5 | Bahr, Torsten | 1932 | GER | +17N | −1B | =10N | +21B | +12N | −2B | =6N | 4.0 | 26.5 | 29.0 | 12.75 | 1918 | -2.8 |
| 6 | Kaufmann, Ben | 1859 | GER | +11B | =16N | −3B | +14N | −2B | +13N | =5B | 4.0 | 25.5 | 28.5 | 14.00 | 2033 | +62.0 |
| 7 | Gronemeyer, Moritz Jakob | 1717 | GER | +20B | −4N | +19B | −17N | +15B | −3N | +18B | 4.0 | 21.5 | 24.5 | 12.50 | 1735 | +6.0 |
| 8 | Billing, Oliver | 1683 | GER | +24N | =21B | −9B | =11N | +17B | −16N | +19B | 4.0 | 18.5 | 18.5 | 9.00 | 1833 | +15.8 |
| 9 | Hieber, Max | 1864 | GER | −1N | +18B | +8N | −13B | +19N | =10B | −2N | 3.5 | 26.5 | 29.5 | 11.75 | 1839 | -6.4 |
| 10 | Oberndoerfer, Frank | 1835 | GER | −3N | +15B | =5B | =16N | +14B | =9N | −1B | 3.5 | 26.0 | 29.0 | 12.25 | 1904 | +11.6 |
| 11 | Muench, Klaus-Norbert, Dr. | 2047 | GER | −6N | +17B | −2N | =8B | +22N | −12B | +21N | 3.5 | 23.0 | 25.5 | 10.00 | 1873 | -21.2 |
| 12 | Lemcke, Markus | 0 | GER | +23N | =13B | −4B | +18N | −5B | +11N | −3B | 3.5 | 23.0 | 24.0 | 9.25 | 1840 | 0.0 |
| 13 | Gerr, Michael | 1879 | GER | F | =12N | +18B | +9N | −4B | −6B | +23N | 3.5 | 21.0 | 22.0 | 9.25 | 1832 | -7.2 |
| 14 | Roehrig, Uwe | 1725 | GER | −15N | +22N | +20B | −6B | −10N | +21B | =17N | 3.5 | 19.5 | 22.0 | 9.50 | 1700 | -4.0 |
| 15 | Hoyer, Axel | 1576 | GER | +14B | −10N | −21N | +23B | −7N | =17B | +24N | 3.5 | 17.5 | 17.5 | 6.00 | 1651 | +20.8 |
| 16 | Braun, Hans-Jochen | 2137 | GER | F | =6B | −1N | =10B | =21N | +8B | =4N | 3.0 | 25.5 | 28.0 | 11.00 | 1863 | -37.2 |
| 17 | Hoyer, Olaf | 1799 | GER | −5B | −11N | +22B | +7B | −8N | =15N | =14B | 3.0 | 22.5 | 25.0 | 10.00 | 1711 | -17.2 |
| 18 | Mekus, Manuela | 1699 | GER | +19B | −9N | −13N | −12B | +24N | +20B | −7N | 3.0 | 20.5 | 20.5 | 6.00 | 1535 | -16.6 |
| 19 | Homfeldt, Maren | 0 | GER | −18N | +23B | −7N | +20N | −9B | +24B | −8N | 3.0 | 18.5 | 18.5 | 4.00 | 1517 | 0.0 |
| 20 | Knudsen, Max Leon | 1452 | GER | −7N | +24B | −14N | −19B | +23N | −18N | +22B | 3.0 | 17.0 | 17.0 | 3.50 | 1573 | +27.6 |
| 21 | Meinhardt, Alexander | 1733 | GER | =22B | =8N | +15B | −5N | =16B | −14N | −11B | 2.5 | 21.5 | 24.0 | 8.25 | 1718 | -7.4 |
| 22 | Vlad, Mark | 1645 | GER | =21N | −14B | −17N | +24N | −11B | +23B | −20N | 2.5 | 16.5 | 16.5 | 2.25 | 1506 | -46.8 |
| 23 | Manthe, Joern Horst | 1439 | GER | −12B | −19N | +24B | −15N | −20B | −22N | −13B | 1.0 | 19.0 | 19.0 | 0.00 | 828 | -44.4 |
| 24 | FIDE 533038520 | 0 | — | −8B | −20N | −23N | −22B | −18B | −19N | −15B | 0.0 | 19.0 | 20.0 | 0.00 | 783 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Kaufmann, BenGER+62.04.0 pts · #3
- 2Born, MarioGER+36.66.5 pts · #1
- 3Knudsen, Max LeonGER+27.63.0 pts · #19
Top rating losers
- 1Vlad, MarkGER-46.82.5 pts · #21
- 2Manthe, Joern HorstGER-44.41.0 pts · #23
- 3Braun, Hans-JochenGER-37.23.0 pts · #13
Biggest upsets
- R7+193 Elo gap
- R1+188 Elo gap
- R1+149 Elo gap