CChessStats

MARIENBAD OPEN 2026 C - FIDE open

Open SwissStandard

58 players participated in this 9-round tournament, held from 17 Jan 2026 to 24 Jan 2026 in Marianske Lazne, Czech Republic. 8 titled players from 8 federations. Top 10 Elo average was 2129, and top seed was Yunus Emre Gunebakan (🇹🇷 TUR, 2182).

Mark Ouaki (🇧🇪 BEL, 2128) won with 7.5/9, ahead of Patrik Pycha (7.0) and Yunus Emre Gunebakan (7.0). Ouaki shared the lead from round 6 and won solo starting round 7.

The biggest upset came in round 1: Christopher Cole (1741) beat Volodymyr Lysenko (2043), a +302-point gap.

Location
🇨🇿Marianske Lazne, Czech Republic
Dates
17 Jan 2026 → 24 Jan 2026
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 9 rounds
Top seed
Avg top 10
2,129
Participants
58
Titled players · 8
IM×3
FM×1
CM×1
WIM×1
WCM×2
Federations · 8 represented
🇨🇿Czech Republic×29
🇦🇹Austria×5
🇺🇦Ukraine×4
🇩🇪Germany×4
🇵🇱Poland×3
🇹🇷Turkiye×3
🇨🇭Switzerland×1
🇮🇪Ireland×1
Top 3

How it unfolded

Top 6 · 9 rounds

Mark Ouaki led from R7; +0.5-point edge over the runner-up.

Co-leaders
28
9
3
1
1
3
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9Ouaki takes lead
R7 · LEADER CHANGE22 Jan

Mark Ouaki takes the sole lead (6.0/7).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

Mark Ouaki drew with Patrik Pycha (White).

WIN STREAKS · 3 top finishers

Mark Ouaki 3 wins (R6–R8)Patrik Pycha 4 wins (R1–R4)Yunus Emre Gunebakan 3 wins (R4–R6)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Mark Ouaki*
½
1
½
2Patrik Pycha
½
*
1
3Yunus Emre Gunebakan
0
0
*
4WIMZeinep Sultanbek
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Ouaki, Mark2128BEL+20B+24N=6B+7N=2B+5N+3N+9B=4B7.549.053.543.752314+41.6
2Pycha, Patrik2076CZE+41N+15B+3N+11B=1N=9B=14N+8B=5N7.047.551.039.002267+44.2
3Gunebakan, Yunus Emre2182TUR+39B+36N2B+35B+24N+8N1B+7N+10B7.043.547.032.502218+20.5
4Sultanbek, ZeinepWIM2159KAZF+54N+26B+16B=15N=11B+25N+14B=1N6.539.039.030.002180+6.6
5Hofstadler, MarioCM2160AUT+27B=12N+13B=6N=10B1B+21N+35N=2B6.046.550.030.502050-19.4
6Chubar, VladimirIM1888UKR+29N+9B=1N=5B8N+17B=16N+18B=24N6.044.549.031.502111+26.5
7Alexikov, AlexanderIM2125UKR+40N=33B+25N1B=11N+13B+24N3B+14N6.043.547.027.752080-3.5
8Terhuven, Patrick2167GER+28N+37B+14NF+6B3B+12N2N+17B6.043.543.529.502173+3.2
9Moser, Axel2107GER+22B6N+39B+36N+32B=2N=10B1N=11B5.544.047.525.002039-13.0
10Lysenko, Volodymyr2043UKR35N+46B+28N+18B=5N+15B=9N=11B3N5.542.045.026.002017-1.4
11Filipovs, Sergejs1981LAT+42B+26N+45B2N=7B=4N=35B=10N=9N5.542.045.024.502071+47.2
12Palka, Dominika Katarzyna1918CZE+44N=5B=16N=14B=35N+33B8B=23N+27B5.539.042.524.251998+19.8
13Valledor Pereira, Dominik Damian1863GER+58B+17B5N32N+38B7N+45B=19N+35B5.536.036.017.501995+28.4
14Dovzhenko, ViktorIM2050UKR+51B+23N8B=12N+21B+45N=2B4N7B5.044.046.521.752048+0.2
15Brandl, Michael1880AUT+56B2N+47B+19N=4B10N23B+31N=22B5.041.543.520.251906+6.6
16Vacha, Jaroslav1942CZE+54B=25N=12B4N=26B+39N=6B=20N=21B5.040.542.520.751902-9.2
17Markovic, Kosta1991SRB+47B13N+27BF+30N6N+26B+25B8N5.040.043.021.001964-10.0
18John, Tom1909IRL+57B45N+22B10N+51B=23N+19B6N=20B5.037.039.019.501915+1.2
19Jouja, Matyas1982CZE+34N=21B35N15B+43N+28B18N=13B+32N5.036.540.021.251858-54.4
20Babicky, Jan1777CZE1N=43B+48N=37B36B+38N+33N=16B=18N5.035.538.519.001858+32.8
21James, Chris1833SCO+38B=19NF+53B14N+22N5B+37B=16N5.035.535.519.501985+27.6
22Lehner-Dittenberger, Sebastian1772AUT9N+29B18N+58B=37N21B+49N+36B=15N5.035.035.015.251834+13.2
23Benes, Jan Jeronym1869CZE+48N14B=53N+34B=33N=18B+15N=12BF5.034.034.020.501919+24.4
24Nicolas, Nika JurisWCM1893PHI+43N1B+41NF3B+31N7B+32N=6B4.543.547.018.501951+26.4
25Svoboda, Petr1830CZE+50N=16B7B+40N=45B+32N4B17N=30N4.537.540.516.751946+20.6
26Bos, Nina1862POL+49N11B4N+46B=16N+29B17N28B+52B4.537.039.515.501800-27.2
27Rzadkowska, LilaWCM1818POL5N+44B17N=48B+34N=37B=36N+29B12N4.535.538.517.0018160.0
28Vo, Daniel1821CZE8B+52N10B=38N+40B19N+42B+26NF4.534.034.015.751926+37.6
29Candemir, Ozgur Deniz1580TUR6B22N+54B=39N+41B26N+51B27N+42B4.533.035.013.251780+91.6
30Bourban, Karel1813SUI45B+57N36B+47N17B+46N32B+38N=25B4.529.531.513.751814-1.8
31Erdogan, Erdil1582TUR33N40B+55N+41B+53N24B=37N15B+47N4.529.531.512.751799+95.2
32Kepplinger, Lukas1978AUT+46N=35B=33N+13B9N25B+30N24B19B4.037.040.016.751821-36.2
33Skoloud, Barnabas1890CZE+31B=7N=32B=45N=23B12N20B+34NF4.037.037.017.501885-0.8
34Kadlcik, Petr1699CZE19B=38N+42B23N27B+40N=39B33B+46N4.032.535.513.501769+13.6
35Cole, Christopher1741USA+10B=32N+19B3N=12BF=11N5B13N3.544.047.518.001963+39.8
36Krivka, Jan1940CZE+55N3B+30N9B+20NF=27B22NF3.538.540.513.751871-24.8
37Ugrenovich, Jaroslav1919CZE+52B8N=40B=20N=22B=27N=31B21NF3.536.036.013.751750-70.4
38Eidelpes, Adam0CZE21N=34B+43N=28B13N20B+47N30B=44B3.535.538.512.5016710.0
39Hradsky, Ales1830CZE3N+55B9N=29B+48N16B=34N=43BF3.534.534.511.001741-20.4
40Skoloud, Josef1776CZE7B+31N=37N25B28N34B+55N+48BF3.532.032.011.251723-25.6
41Kutek, Jiri1770CZE2B+56N24B31N29N+58B=48N+49BF3.532.032.06.501574-36.6
42Prochazka, Pavel1678CZE11N=50B34N=44B+58N=49B28N+56B29N3.530.030.06.751581-20.0
43Skoloud, Natanael1610CZE24B=20N38B+54N19B+53N=46B=39NF3.529.029.010.251785+59.6
44Vrzala, Michal1624CZE12B27N=56B=42N+50B=51NF=46B=38N3.527.527.510.251610-6.4
45Srienz, ChristianFM2131AUT+30N+18B11N=33B=25N14B13NFF3.034.034.013.751855-48.8
46Kuttner, Jaromir1654CZE32B10N+57B26N+56B30B=43N=44N34B3.031.533.57.501633-8.6
47Klepal, Martin1712CZE17N+49B15N30B+57NF38B+50N31B3.030.530.58.001537-22.4
48Ugrenovich, George1526CZE23B+51N20B=27N39B=52N=41B40N=55N3.030.032.08.751637+43.6
49Dziuba, Dariia0CZE26B47N+52B51N+55B=42N22B41N=54B3.026.528.57.2515920.0
50Hykel, Maxmilian0CZE25B=42N51B=56N44N+54B57N47B+58N3.023.023.04.7515360.0
51Maj, Adam1767POL14N48B+50N+49B18N=44B29NFF2.529.529.57.751370-44.2
52Kral, Ladislav1629CZE37N28B49N=55B=54N=48B+53BF26N2.525.527.56.001629-1.6
53Schoeppe, Christian1721GERF+58N=23B21N31B43B52N55B+56N2.524.524.54.501513-44.2
54Fialova, Katerina1640CZE16N4B29N43B=52B50NF+58B=49N2.028.028.02.751523-21.2
55Steinschuld, Jo1631NED36B39N31B=52N49NF40B+53N=48B2.026.026.05.251556-15.8
56Pohuliailo, Nikita1578CZE15N41B=44N=50B46N57B+58N42N53B2.026.026.03.251430-58.0
57Libal, Manfred1615CZE18N30B46NF47B+56N+50BFF2.020.520.55.001494-30.8
58Umanets, Myroslava1505CZE13N53BF22N42B41N56B54N50B0.027.027.00.00917-66.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets