CChessStats

SUMMER PRAGUE OPEN 2025 - B - FIDE open

Open SwissStandard

113 players participated in this 9-round tournament, held from 08 Aug 2025 to 16 Aug 2025 in Praha, Czech Republic. 8 federations represented. Top 10 Elo average was 1901, and top seed was Volodymyr Lysenko (🇺🇦 UKR, 1951).

Volodymyr Lysenko (🇺🇦 UKR, 1951) won with 7.5/9, ahead of Ruben Blokzijl (7.5) and Pierre Nicolas (7.5). Lysenko shared the lead from round 1, winning on tie-break.

The biggest upset came in round 6: David Plzak (1488) beat Hippolyte Dedeycker (1856), a +368-point gap.

Location
🇨🇿Praha, Czech Republic
Dates
08 Aug 2025 → 16 Aug 2025
Time control
Standard: 90min/40moves+30min/end+30sec increment per move starting from move 1
System
Swiss · 9 rounds
Top seed
🇺🇦Volodymyr Lysenko1951
Avg top 10
1,901
Participants
113
Federations · 8 represented
🇨🇿Czech Republic×65
🇧🇪Belgium×7
🇩🇪Germany×6
🇫🇷France×4
🇺🇦Ukraine×4
🇳🇱Netherlands×4
🇮🇱Israel×3
🇵🇱Poland×2
Top 3

How it unfolded

Top 6 · 9 rounds

Tight race until R5; 3 players tied at 7.5/9, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 3 at the finish.

Co-leaders
48
20
8
4
1
1
1
1
3
2.54.579R1R2R3R4R5R6R7R8R9
R5–R9 · LEAD HELD

Volodymyr Lysenko held the sole lead from R5 through R9 without losing it.

R9 · TIEBREAK CLUSTER

3 players finish on 7.5/9. Lysenko takes the title on Buchholz Cut1 (50.0).

R8 · HEAD-TO-HEAD · WINNER VS 2ND

Volodymyr Lysenko drew with Pierre Nicolas (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1Volodymyr Lysenko*
½
0
2Pierre Nicolas
½
*
3Ruben Blokzijl
1
*
4Krystof Jandacek*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Lysenko, Volodymyr1951UKR+66N+21B+32N+8B+6N+5B+29N=3B2N7.550.054.042.752079+27.0
2Blokzijl, Ruben1899NED+52B+37N+33B5N=45B+26N+8B+23N+1B7.546.050.541.752070+72.4
3Nicolas, Pierre1922FRA+81N+43B+22N+44B=5N=29B+13N=1N+7B7.546.049.540.002033+24.4
4Jandacek, Krystof1776CZE+83B+107N6B20N+76B+38N+48B+14N+13B7.040.542.530.501884+47.9
5Speck, Jakob1842GER+63N+24B+13N+2B=3B1N=14N+29B=12B6.551.555.538.001929+23.4
6Lampe, Finn1882GER+38N+41B+4N+62B1B+22N=23B7N+20B6.547.551.534.751940+29.6
7Etienne, Ghilon1867NED+76B=51N+49B31N+35B+16N+15B+6B3N6.545.048.533.751891+11.2
8Klimek, Petr1846CZE+87B+97N+20B1N+62N=14B2N+53B+25N6.544.047.029.001878+9.6
9Ilandzis, Spyridon1928GRE+36B62N+58B+55N22B+43N=10N+21B+24B6.541.545.532.751892-6.0
10Magura, Jan1831GER+96B29N+42B+48N=47B+65N=9B=20N+23B6.540.543.530.251868+10.2
11Dedeycker, Hippolyte1856BEL+78N+56B=29N+101B=31N13B=21N+46N+22B6.539.542.028.251823-4.0
12Grabarczyk, Sylwester1767CZE+50B13N76B+82N+78B+92N+18B+30B=5N6.538.541.528.751841+19.0
13Plzak, David1488CZE+77N+12B5B+33N+39B+11N3B+17N4N6.050.053.532.501927+180.1
14Doepper, Anna Berenice1909GER=59B+99N+35B=45B+19N=8N=5B4B+31N6.045.048.030.001858-9.2
15Reitsma, Hylke0NED+80B33N=24N+34B+77N+44B7N=16B+30N6.041.044.527.2518170.0
16Ninane, Erwan1772BEL+94N=46B+34N+30B29N7B+65B=15N+35B6.041.044.027.251820+10.8
17Stokes, Paul C1816ENG+92B20N=36B=66N+52B+62N+31B13B+29N6.039.042.026.001771-9.2
18Renaux, Osmin1904FRA+95N+85B=45N29B+101N=21B12N+41B+34N6.038.040.524.001837-14.2
19Rozenblit, Stas1764ISR+88B25N+78B+76N14B+50N30N+49B+40N6.037.541.024.501844+15.6
20Sallis, Ethan1653ENG+40N+17B8N+4B=44N=30B+32N=10B6N5.547.552.031.001873+93.2
21Hyam, Robin1753CZE+69B1N=63B+36N+46B=18N=11B9N+48B5.544.548.526.251816+32.4
22Jun, Robert1778CZE+91B+64N3B+97N+9N6B+47N=25B11N5.544.047.023.751855+33.2
23Blata, Frantisek1874CZE+67N+47B62B+37N+43N+31B=6N2B10N5.543.547.526.251844-6.2
24Aksoy, Kerem Alp1654TUR+68B5N=15B+70N30N+54B+44N+26B9N5.542.546.525.501796+42.8
25Snobr, Marek0CZE+48B+19B44N43B+41N+33N+45B=22N8B5.541.546.027.7518030.0
26Hogan, Thomas1774BELF+82N+27B=46B+40N2B+63N24N+51B5.540.040.024.751753-2.0
27Pazarcioglu, Ilker1625TUR30N+111B26N+102B32N=37B+84N+77B+43N5.534.535.517.501760+32.4
28Lebeda, Dusan1765CZE64N91B54N+112B=102N+86N+67B+58B+53N5.530.530.517.751622-20.2
29Gherabli, Mohamed1669ALG+104N+10B=11B+18N+16B=3N1B5N17B5.052.555.028.001862+39.2
30Jaeger, Andre1876GER+27B=35N+51B16N+24B=20N+19B12N15B5.046.050.526.751800-15.4
31Le, Duc Thang1741CZE=84N+93B+79N+7B=11B23N17N+42B14B5.042.545.523.001769+7.4
32Fadrny, Jachym1794CZE+82B+42N1B47N+27B+49N20B35N+64B5.041.545.022.501717-35.0
33Wolf, Pavel1763CZE+110N+15B2N13B+81N25B49N+73B+65N5.041.043.019.501679-28.4
34Massarenti, Nicolo`1673ITA=74B+59N16B15N+88B=36N+50B+45N18B5.040.544.021.501796+46.8
35Panek, Daniel1708CZE+103N=30B14N+95B7N+64B=40N+32B16N5.040.543.019.501776+31.2
36Bartak, Tobias1644CZE9N+103B=17N21B+91N=34B=43B+61N=39B5.040.042.520.251762+55.2
37Horesovsky, Jan1718CZE+98B2B+83N23B63N=27N+68B+78N=38B5.038.541.519.251658-24.4
38Yunussov, Ahmad Tairovich1633CZE6B+113N39B+83N+55B4B=77N+85B=37N5.038.538.515.751747+54.4
39Hoeving, Christian1783GER79N+105B+38N+56B13N=63B=42N=47B=36N5.037.540.021.251656-59.2
40Tvrdik, David0CZE20B+92N+89B=57N26B+97N=35B+75N19B5.037.040.018.2517260.0
41Potuznik, Cenek1688CZE+113B6N=64B=50N25B+76N+92B18N+68B5.037.037.014.751698+5.2
42Telem, Boaz1646ISR+108N32B10N=91B+69N+101B=39B31N+72B5.035.037.016.501726+18.8
43Zalkind, Vladimir1745ISR+71B3N+96B+25N23B9B=36N+59N27B4.544.047.019.501676-15.8
44Svetly, Jiri1822CZE+73N+58B+25B3N=20B15N24B=48N=56N4.543.547.521.251689-24.2
45Polnar, Josef1777CZE+65N+102B=18B=14N=2N=47B25N34B=49N4.543.045.520.751774+0.8
46Humeniuk, Artur1503UKR+57B=16N=55B=26N21N+80B+60N11BF4.540.540.520.501803+119.6
47Cizmek, Fran1685CRO+86B23N+107B+32B=10N=45N22B=39NF4.540.042.018.501767+31.6
48Brasseur, Paul1687BEL25N+110B+102N10B+79N+60B4N=44B21N4.539.541.514.751751+14.4
49Marko, Ondrej1659CZE=54N+84B7N=64B+93N32B+33B19N=45B4.539.042.018.001689+6.2
50Baraniuk, Andrej1560UKR12N=77B+104N=41B+56N19B34N=66B+89B4.538.040.516.751666+21.0
51Vorsilka, Jiri1693CZE+111N=7B30N=79B=64N53B+102N+54B26N4.536.037.015.001591-21.8
52Klubal, Jan1635CZE2N53B+103N+110B17N85B+90N+93B=60N4.535.037.013.251635-0.4
53Clifton, Alexander J1447USAF+52N97B+96N=80B+51N+57B8N28B4.535.035.018.251742+59.6
54Lorincik, Petr0CZE=49B55N+28B=80N=97B24N+95B51N+78B4.534.537.517.5016750.0
55Karlsson, Peter 19651727SWE=93N+54B=46N9B38N=79B+94N=65B=80N4.534.537.516.751571-33.6
56Kanthaneyan Swaminathan1656IND+106B11N+86B39N50B=87N=82B+91N=44B4.534.036.514.751582-30.4
57Karlsson, Henrik 19741732SWE46N+94B+91N=40B65N+67B53N+63BF4.533.536.516.501604-22.0
58Misak, Vojtech1650CZE+100B44N9N=93B+105N=77B=62B28N+88B4.533.536.014.251660+0.4
59Kosar, Milan1639CZE=14N34B70N+109B=71N+93B=85N43B+84N4.533.535.515.251625-4.0
60Sikl, Jakub1815CZE+105N=79B101N=81B+66B48N46B+92N=52B4.530.032.515.251618-90.0
61Huja, Matej1746CZE107N83B=90N+68N=87B=73B+105N36B+79N4.529.531.515.501539-89.2
62Ghezzali, Leana1748FRA+70B+9B+23N6N8B17B=58N=72NF4.043.543.520.251777+6.4
63Vognic, David1605CZE5B+68N=21N=85B+37B=39N26B57N=74B4.040.043.518.001660+18.0
64Olkuski, Tadeusz1560POL+28B22B=41N=49N=51B35N=66N+87B32N4.039.042.518.001662+24.4
65Carbonai, Gabriele1573FID45B=89N+74B+72N+57B10B16N=55N33B4.039.042.516.501668+17.8
66Raondi, Yan-Martin1645FID1B=71N+109B=17B60N=82N=64B=50N=70B4.038.040.015.001607-10.2
67Meerschman, Maxime1623BEL23B86N+113B=69N+70B57N28N=71B+94N4.034.034.011.001620-1.0
68Matyushkin, Vladyslav0UKR24N63B+94N61B+110N+95B37N+81B41N4.033.535.511.5016010.0
69Lacko, Lubos1545CZE21N=72B=75N=67B42B=74N=86B=98N+92B4.033.036.014.251586+13.2
70Caffonnette, Joachim1536BEL62N=80N+59B24B67N89N+99B+104B=66N4.032.034.513.751558+2.8
71Borovickova, Eva1519CZE43N=66B72N+104B=59B75N=74B=67N+91B4.032.034.513.751559+6.2
72Stepankova, Linda1686CZEF=69N+71B65B=73N=78N+87B=62B42N4.032.032.015.251608-34.0
73Fadrny, Jonas1599CZE44B+100N=85N77B=72B=61N=89B33N+98B4.031.534.513.751623+7.2
74Ferk, Nejc0SLO=34N101B65N=90B=94N=69B=71N+108B=63N4.030.032.013.7515350.0
75Trefilik, Jiri1713CZEF=88N=69BF+90N+71B+81N40BF4.023.523.514.751799+9.6
76Glacner, Karel1621CZE7N+112B+12N19B4N41B93N=96B+103N3.539.539.510.501533-18.8
77Pechanek, Krystof Jan1730CZE13B=50N+88B+73N15B=58N=38B27NF3.539.039.014.501588-26.2
78Marillonnet, Paul1614FRA11B+106N19N+107B12N=72B+101N37B54N3.537.539.59.001617-0.8
79Steinschuld, Jo1576NED+39B=60N31B=51N48B=55N=97B=89N61B3.536.039.015.001655+17.8
80Levinsky, Ladislav1654CZE15N=70BF=54B=53N46N=91B+82N=55B3.535.038.013.751560-14.8
81Steyt, Antoine1641BEL3B=109N+98B=60N33B+83N75B68N=86B3.535.037.011.501627-3.8
82Zacek, Petr1578CZE32N26B+112N12B+103N=66B=56N80B=90N3.535.035.08.501518-13.2
83Vognic, Bruno1571CZE4N+61N37B38B+108N81B=103N84B+93N3.534.036.010.751523-24.4
84Pokorny, Wyatt1517CZE=31B49NF=89N=96B+88N27B+83N59B3.533.536.512.751600+39.2
85Polnarova, Tatana1737CZE+109B18N=73B=63N92B+52N=59B38NF3.533.033.012.751597-30.8
86Bayer, Petr0CZE47N+67B56N=105B=95N28B=69N=94B=81N3.532.034.512.0015540.0
87Mikulka, Martin1614CZE8N=104B93N+98B=61N=56B72N64N+106B3.532.034.511.251474-27.0
88Pajak, Radoslaw1557POL19N=75B77N+99B34N84B+108N+103B58N3.532.034.09.501521-9.6
89Kubik, Jaroslav1751CZE102N=65B40N=84B=107N+70B=73N=79B50N3.531.033.012.501511-50.6
90Veselsky, Jan1527CZEFF=61B=74N75B+104N52B+95N=82B3.526.026.011.501590+7.6
91Zahradnik, Kristof1574CZE22N+28N57B=42N36B+107B=80N56B71N3.037.539.511.751534-19.6
92Jakus, Lubomir1587CZE17N40B+111N+108B+85N12B41N60B69N3.036.537.56.501574-5.2
93Junova, Alexandra1486CZE=55B31N+87B=58N49B59N+76B52N83B3.034.538.011.501526+17.6
94Zuna, Pavel1564CZE16B57N68B+113N=74B+99N55B=86N67B3.033.533.56.751495-22.4
95Tovarys, Roman1638CZE18B=98N+99B35N=86B68N54N90B+107N3.032.534.58.251537-34.8
96Cerny, Tomas1601CZE10N+108B43N53B=84N102B98B=76N+111B3.030.031.06.501436-80.4
97Kleprlik, Jan1675CZE+112N8B+53N22B=54N40B=79NFF3.029.529.58.501573-11.4
98Skalicky, Miroslav1451CZE37N=95B81N87N104B+111B+96N=69B73N3.028.529.57.501512+12.4
99Pobrislova, Ivana1442CZE=101N14B95N88N+113B94B70N=100B+104N3.027.527.55.251379-11.8
100Rigaki, Maria0CZE58N73B110N+111B109NF=106B=99N+112N3.019.019.03.7513380.0
101Akerman, Jan1706CZE=99B+74N+60B11N18B42N78BFF2.532.532.510.001520-28.4
102Tomanek, Karel1545CZE+89B45N48B27N=28B+96N51BFF2.531.031.09.251598+8.2
103Silhan, Vladimir1450CZE35B36N52B+106N82B+112N=83B88N76B2.531.031.04.251194-30.0
104Gasper, Jan0SVK29B=87N50B71N+98N90B+109B70N99B2.530.532.56.7513710.0
105Nassereddine, Mathias Ibrahim1585CZE60B39N+106B=86N58B+109N61BFF2.526.526.56.251462-30.0
106FIDE 23774118056N78B105N103B+111N108B=100N+112B87N2.522.522.52.5012390.0
107Jilek, Jakub1535CZE+61B4B47N78N=89B91NF=109N95B2.031.031.07.251469-27.2
108Rokyta, Jan0CZE42B96NF92N83B+106N88B74N+109B2.026.526.54.501307-49.2
109Taisl, Lubomir1515CZE85N=81B66N59N+100B105B104N=107B108N2.025.527.55.751300-32.2
110Neubauer, Rene1548CZE33B48N+100B52N68BFF+111NF2.022.022.04.001436-22.4
111Vavrova, Jirina1434CZE51B27N92B100N106B98N+112B110B96N1.026.526.50.00783-73.6
112Fadrny, Johan0CZE97B76N82B28NF103B111N106N100B0.024.524.50.007870.0
113Conradie, Ingrid Anne-Christie1422RSA41N38B67N94B99NFFFF0.020.020.00.00790-56.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets