50 Jahre Raisdorfer SG A-Open
Open SwissStandard
16 players participated in this 5-round tournament, held from 13 Mar 2026 to 15 Mar 2026 in Raisdorf, Germany. 3 titled players from 3 federations. Top 10 Elo average was 2089, and top seed was Vladislav Lymar (🇺🇦 UKR, FM, 2292).
Igor Ivanov (🇱🇻 LAT, 2213) won with 4.0/5, ahead of Jaron Henke (3.5) and Niklas Callsen (3.5). Ivanov clinched sole first place in the final round.
The biggest upset came in round 5: Jaron Henke (2012) beat Vladislav Lymar (FM, 2292), a +280-point gap.
Location
🇩🇪Raisdorf, Germany
Dates
13 Mar 2026 → 15 Mar 2026
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 5 rounds
Titled players · 3
FM×1
CM×2
Federations · 3 represented
🇩🇪Germany×13
🇱🇻Latvia×2
🇺🇦Ukraine×1
Top 3
- 🥇
- 🥈
- 🥉
How it unfolded
Top 6 · 5 roundsIgor Ivanov led from R5; +0.5-point edge over the runner-up.
Co-leaders
4
1
3
1
1
R4 · LEADER CHANGE15 Mar
CM Niklas Callsen takes the sole lead (3.5/4).
R4 · HEAD-TO-HEAD · WINNER VS 2ND
Igor Ivanov beat Jaron Henke (White).
R3–R5 · WIN STREAK
Igor Ivanov won 3 in a row (R3–R5).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1Igor Ivanov | * | 1 | — | 1 |
| 2Jaron Henke | 0 | * | ½ | — |
| 3CMBjarne Vollbehr | — | ½ | * | 0 |
| 4CMNiklas Callsen | 0 | — | 1 | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ivanov, Igor | 2213 | LAT | =14N | =10B | +12N | +2B | +3B | 4.0 | 10.5 | 11.5 | 10.00 | 2224 | +3.0 |
| 2 | Henke, Jaron | 2012 | GER | +9B | =4B | +6N | −1N | +5B | 3.5 | 13.5 | 16.0 | 10.25 | 2240 | +29.6 |
| 3 | Callsen, NiklasCM | 2196 | GER | =10N | +7B | +5N | +4B | −1N | 3.5 | 13.0 | 15.0 | 10.00 | 2248 | +6.2 |
| 4 | Vollbehr, BjarneCM | 2205 | GER | +11B | =2N | +8B | −3N | +10B | 3.5 | 11.5 | 13.5 | 8.25 | 2151 | -9.6 |
| 5 | Lymar, VladislavFM | 2292 | UKR | +15B | +13N | −3B | +10N | −2N | 3.0 | 10.5 | 11.0 | 4.00 | 2093 | -21.6 |
| 6 | Ueckermann, Stefan | 1892 | GER | =16N | +14B | −2B | =8N | +11B | 3.0 | 9.0 | 9.5 | 4.50 | 2052 | +22.0 |
| 7 | Ciemnyjewski, Gregor | 0 | LAT | =8B | −3N | =11B | +13N | =9B | 2.5 | 10.5 | 12.0 | 5.00 | 1995 | 0.0 |
| 8 | Link, Peter Michael, Dr. | 1992 | GER | =7N | +16B | −4N | =6B | =12N | 2.5 | 10.5 | 11.0 | 4.00 | 1997 | +0.2 |
| 9 | Bloh, Fabian | 1851 | GER | −2N | =11N | =14B | +15B | =7N | 2.5 | 9.0 | 9.5 | 3.25 | 1959 | +11.6 |
| 10 | Aminmansour, Bardia | 1902 | GER | =3B | =1N | +13B | −5B | −4N | 2.0 | 14.0 | 15.5 | 5.25 | 2115 | +23.0 |
| 11 | Buergener, Richard | 1905 | GER | −4N | =9B | =7N | +12B | −6N | 2.0 | 11.5 | 13.0 | 4.00 | 1864 | -12.8 |
| 12 | Trede, Rouven-Peer | 1856 | GER | −13B | +15N | −1B | −11N | =8B | 1.5 | 10.0 | 10.5 | 1.75 | 1872 | +0.4 |
| 13 | Kropp, Juergen | 2031 | GER | +12N | −5B | −10N | −7B | =15N | 1.5 | 9.0 | 9.5 | 1.75 | 1916 | -13.4 |
| 14 | Stadler, Andreas | 1954 | GER | =1B | −6N | =9N | — | — | 1.0 | 7.0 | 9.5 | 3.25 | 1860 | -8.2 |
| 15 | Aguike, Toshiya | 1963 | GER | −5N | −12B | F | −9N | =13B | 0.5 | 8.5 | 8.5 | 0.75 | 1686 | -53.2 |
| 16 | Hopson, Kevin Mike | 2035 | GER | =6B | −8N | — | — | — | 0.5 | 3.0 | 5.5 | 1.50 | 1749 | -15.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Henke, JaronGER+29.63.5 pts · #2
- 2Aminmansour, BardiaGER+23.02.0 pts · #8
- 3Ueckermann, StefanGER+22.03.0 pts · #5
Top rating losers
- 1Aguike, ToshiyaGER-53.20.5 pts · #15
- 2Lymar, VladislavFMUKR-21.63.0 pts · #4
- 3Hopson, Kevin MikeGER-15.00.5 pts · #16
Biggest upsets
- R5+280 Elo gap
- R3+129 Elo gap
- R4+112 Elo gap