CChessStats

SUMMER PRAGUE OPEN 2025 - A - IM open

SwissStandard

165 players participated in this 9-round tournament, held from 08 Aug 2025 to 16 Aug 2025 in Praha, Czech Republic. 32 titled players from 8 federations. Top 10 Elo average was 2336, and top seed was Valentyn Prokofiev (🇺🇦 UKR, IM, 2426).

Mihajlo Stojanovic (🇷🇸 SRB, GM, 2397) won with 7.5/9, ahead of Valentyn Prokofiev (7.5) and Mykola Domanskiy (7.0). Stojanovic shared the lead from round 5, winning on tie-break.

The biggest upset came in round 3: Jakub Sokolovsky (2051) beat Florian Grezels (FM, 2340), a +289-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
🇺🇦IMValentyn Prokofiev2426
Avg top 10
2,336
Participants
165
Titled players · 32
GM×2
IM×5
FM×14
CM×2
WIM×1
WFM×4
WCM×4
Federations · 8 represented
🇨🇿Czech Republic×65
🇩🇪Germany×16
🇩🇰Denmark×9
🇵🇱Poland×7
🇫🇷France×7
🇸🇰Slovakia×6
🇮🇹Italy×5
🇺🇦Ukraine×5
Top 3

How it unfolded

Top 6 · 9 rounds

Tight race until R9; 2 players tied at 7.5/9, decided on Buchholz. Title race narrowed from 3 co-leaders at R4 to 2 at the finish.

Co-leaders
69
31
10
3
6
9
3
4
2
2.54.579R1R2R3R4R5R6R7R8R9
R9 · TIEBREAK CLUSTER

2 players finish on 7.5/9. Stojanovic takes the title on Buchholz Cut1 (48.5).

WIN STREAKS · 3 top finishers

GM Mihajlo Stojanovic 3 wins (R1–R3)IM Valentyn Prokofiev 3 wins (R1–R3)FM Mykola Domanskiy 3 wins (R5–R7)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1GMMihajlo Stojanovic*
2IMValentyn Prokofiev*
1
3FMMykola Domanskiy
0
*
4Michael Cuthbert*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Stojanovic, MihajloGM2397SRB+74B+27N+30B=5N+17B=15N+16B=4N+8B7.548.553.043.502466+7.9
2Prokofiev, ValentynIM2426UKR+95N+113B+23N=45B+16B=5N=15B+3N+4B7.547.050.541.752460+4.4
3Domanskiy, MykolaFM2166SVK+60B+90N=91B=46N+34B+33N+11B2B+15N7.045.049.037.002348+41.0
4Walek, PetrFM2284CZE+61B+42N+58B+29B=15N=11N+5B=1B2N6.550.055.037.502364+22.2
5Botea, David-AlexandruFM2167ROU+109N+71B+57N=1B+35N=2B4N+18B=11B6.549.053.035.752350+84.0
6Cuthbert, Michael1901RSA+38N+48B=9N=19B+12N7N+46B=21B+29N6.547.552.536.752308+92.8
7Grochol, KamilCM2150POL=53N+70B=31N+57B+108N+6B8N+47B=9N6.544.548.533.502198+13.2
8Toman, OndrejFM2311CZE+136N+100B29N=31B+49N+58B+7B+36N1N6.544.547.531.752259-6.4
9Lalic, BogdanGM2317CRO+82B=44N=6B+76N=46B=48N+34B+39N=7B6.543.548.034.002201-9.8
10Brejnik, GustavFM2220CZE+142N+54B12N+40B=58N+52B=30N=29B+27N6.543.546.532.002207-1.0
11Heinrich, JohnFM2351GER+165N+92B=97N+51B+45N=4B3N+27B=5N6.543.544.028.502285-10.2
12Taborsky, RostislavFM2093CZE+105B+72N+10B16N6B+69N=59B+82N+28B6.543.047.032.002156+15.8
13Kulhanek, TomasIM2289CZE=119N+114B+18N=97B=48N+50B+19N=15B=14N6.542.045.533.002246-2.5
14Pavlis, Matej2098CZE+110N49B+106N47B+85N+71B+55N+22B=13B6.540.544.531.252184+41.2
15Horak, MartinFM2348CZE+69B+33N+56B+20N=4B=1B=2N=13N3B6.051.556.035.002326-1.2
16Jun, RudolfFM2283CZE+77N+83B+41N+12B2N+97B1N=30B=19N6.047.551.530.752274+0.6
17Rosen, BerndFM2181GER+80N+107B=51N+52B1N=18B47N+54B+65N6.043.047.029.002155-4.0
18Muller, Maxime2044FRA=123B+67N13B+66N+112B=17N+56B5N+46B6.042.546.028.252154+27.0
19Lihotsky, Lukas2153CZE+118B+117N=28B=6N=44B+90N13B+33N=16B6.042.546.028.002165+4.0
20Zvolensky, David2154CZE+150N+47B+49N15B+92N=32B27N+31B=21N6.042.545.027.752169+4.4
21Vilimek, VitFM2159CZE=86B+102N+93B=28N33B+108B+51N=6N=20B6.041.045.028.252114-13.2
22Grezels, FlorianFM2340FRA+106N=31B52N=70B+95N+92B+28B14N+48N6.040.044.027.502133-37.0
23Moser, Axel2137GER+65N+130B2B32N+84B=91N=93B+90N+44B6.039.543.026.002140+0.6
24Kuhn, Ulf2105GER+145B28N=69B=61N+80B+72N=44B=32N+59B6.039.542.527.002061-9.2
25Garbrecht, Jan2160DEN=70N=119B=79N53B+94N+77B+75N=52B+51N6.037.040.526.752060-19.8
26Toroptseva, YevheniiaWFM2201UKR=102B+86N=44B108N+74B104N+95B+57B+50N6.036.040.027.502096-42.8
27Mrazek, Adam2043CZE+94N1B+77N=49B+53N+45B+20B11N10B5.546.050.027.002179+62.0
28Mamyrov, BeybarysFM1959KAZ+148N+24B=19N=21B=29N+37B22N+78B12N5.546.048.527.252181+99.2
29Dobrovolsky, LadislavIM2103CZE+125N+55B+8B4N=28B=44N+104B=10N6B5.545.549.027.502136+4.6
30Davidek, Zdenek2122CZE+66N+96B1N+54B=47N+42B=10B=16NF5.544.544.528.252228+44.0
31Posluszny, Tomasz2035POL+126B=22N=7B=8N+98B36N+49B20N+82B5.544.047.526.502144+26.4
32Hozda, Max1963CZE=103N+143B=50N+23B+78N=20N36B=24B=41N5.542.545.526.752114+75.2
33Glimbrant, Torbjorn2039SWE+135N15B+142N+80B+21N3B=78N19B+86N5.541.544.523.252128+21.8
34Mikulka, Martin Michael2062CZE+162N+131B45N+63B3N+96B9N=55B+75N5.540.041.520.502096+18.8
35Petr, JakubFM2292CZE+89B+64N=46B=91N5B+54N=48BF+47N5.540.040.026.502165-20.8
36Mannion, Stephen RIM2179SCO+112B57N+53N+120B=50N+31B+32N8BF5.539.539.525.502159-1.3
37Flasik, Radoslav2143SVK+59B91N+74B=90N+93B28N+40B=44N=39B5.539.043.026.252060-18.4
38Czaeczine, AnneWIM2168GER6B+141N=72B=73N61B+105N=74B+89N+71B5.538.041.022.751975-38.4
39Le Bris, Yann2050FRA131N+101B+119N55B+109N+63B+97N9B=37N5.537.540.523.252075+7.0
40Medhvansh Madeti1992IND+121N45B+132N10N=60B+150B37N+70B+73N5.537.540.020.502042+23.9
41Fogel, Pierre2103BEL+124B+75N16B=112N90B+60N+117B=59N=32B5.537.040.523.502047-11.8
42Slacky, Stanislav2007SVK+157B4B=150N+124N+73B30N45B+112N+84B5.535.537.519.252049+10.4
43Zawal, Krzysztof1828POL50N76N+158B=107B75N+103B+106N+79N+83B5.535.037.021.002005+86.4
44Giraldi, Edoardo2038ITA+98N=9B=26N+131B=19N=29B=24N=37B23N5.045.548.524.752124+21.4
45Lever, Erwan2226FRA+84B+40N+34B=2N11B27N+42N=48BF5.045.545.527.252203-3.4
46Toniolo, Samuel2078ITA+134N+79B=35N=3B=9N=55B6N+96B18N5.045.048.023.502090+2.2
47Nilsson, Patrik 19681966SWE+158B20N+114B+14N=30B=56N+17B7N35B5.044.546.523.252109+32.8
48Rossi, Gabriele Valerio2071ITA+141B6N+136B+60N=13B=9B=35N=45N22B5.044.047.022.752157+39.2
49Plasil, Petr1952CZE+155B+14N20B=27N8B+73N31N=66B+100N5.043.545.522.252037+19.4
50Kozissnik, Christian2062AUT+43B=73N=32B+87N=36B13N=91B+63N26B5.043.047.024.752046-3.0
51Vos, Rik2060NED+128B+81N=17B11N=72B+61N21B+91N25B5.042.546.022.252068+2.8
52Sokolovsky, Jakub2051CZE=133B+123N+22B17N+79B10N+99B=25NF5.041.544.522.502143+19.6
53Amulya GuruprasadWFM1888IND=7B+68N36B+25N27B117N+153B+99N=64B5.041.043.523.252075+81.3
54Jiricek, Jakub1986CZE+153B10N+59B30N+87B35B+109N17N+102B5.041.043.520.002057+15.2
55Grzesik, Norbert1958POL+156B29N+138B+39N=56B=46N14B=34N=68B5.041.043.020.752034+19.6
56Koridze, LileWFM2110GEO+132N+63B15N+71B=55N=47B18N+104BF5.040.543.521.502108-0.8
57Hill, Andy1989ENG+140N+36B5B7N=118B+98N+129B26N=62N5.040.543.520.252036+12.2
58Mrinmoy RajkhowaCM2068IND+101N+85B4N+96B=10B8N=90B+93NF5.040.040.021.752157+36.4
59Mok, Erwin Jun-Han1886CAN37N+146B54N+122B+120N+113B=12N=41B24N5.039.042.019.502033+68.4
60Avcu, Uraz1896TUR3N+147B+83N48B=40N41B+133N=100B+107N5.038.541.519.252029+62.0
61Hemmerling, Jaroslaw1916POL4N+139B=113N=24B+38N51B108N+121B+93B5.038.041.020.752064+32.8
62Pidlisnyi, Artem1652UKR=99B=129N=75B69N=67B+136N=79B+74N=57B5.035.538.520.751995+148.0
63Scheffner, Jarno1960GER+159B56N+151B34N+116B39N+81B50B+94N5.035.537.516.501902-11.0
64Mizicka, Matus2030SVK+139N35B80N=125B=132N=101B+115N+77B=53N5.033.536.518.751948-19.8
65Aadya RanganathWCM1875IND23B138N+153B116N+151B+123N+88B+76N17B5.033.536.017.502002+50.8
66Simajchl, Adam1875CZE30B=154N+155B18B+148N99N+116B=49N+90B5.032.534.515.501888+2.8
67Jepsen, Christian Matico1874DEN=78N18B=149N=148B=62N=122B=121N+131B+96N5.032.034.517.751868-2.0
68Kronemeijer, Simon2051NED=115N53B=133N=132B+125N=142B=112N+94B=55N5.030.533.518.001907-33.2
69Bruessow, Nina1937SUI15N+94B=24N+62B=113N12B=92N73B+127N4.539.543.019.251954+6.0
70Mikhno, Artem1895CZE=25B7N+126B=22N=76B93N+137B40N+120B4.539.542.518.252017+51.6
71Rohfleisch, Daniel1975GER+151B5N+111B56N+105B14N=118B+87N38N4.539.542.016.751961-3.0
72Kala, Jakub1948CZE+161N12B=38N+103B=51N24B94N+105B=76B4.539.541.017.001926-5.6
73Conradie, Dirk Cornelis Uys1756RSA+120N=50B=78N=38B42N49B+150N+69N40B4.539.041.518.002011+104.5
74Ferraro, Luca1939ITA1N+162B37N+133B26N+132B=38N62B+115N4.539.040.513.751976+6.0
75Steiner, Juraj1959CZE+149N41B=62N98B+43B+114N25B+118N34B4.538.541.017.501880-17.2
76Radecki, Adam2019POL114N+43B+85N9B=70N=112B+142N65B=72N4.537.540.519.251928-22.6
77Migalko, Dmitriy1916CZE16B+152N27B=81N+137B25N+98B64N+114B4.537.540.015.251926+1.1
78Horacek, Michal2115CZE=67B+133N=73B+99N32B+88N=33B28NF4.537.537.519.001957-29.8
79Bohatyrov, Mykola1942CZE+116B46N=25B+137N52N=115B=62N43B+128B4.537.040.017.251850-40.0
80Machala, Vladislav1907CZE17B+164N+64B33N24N94B+135N=122B+116B4.536.537.514.251880-7.4
81Muhamova, Arzygul1730TKM+104N51B96N=77B+119N=83B63N+109B=88B4.535.539.018.251961+98.4
82Chubar, VladimirIM1928UKR9N=135B115N+149B+144N+134B+100N12B31N4.535.037.514.001928-0.8
83Kiraly, Lilla Virag1995HUN+152B16N60B101N+157B=81N+134N+85B43N4.535.037.014.251872-57.6
84Derypasko, Oleksii1914UKR45N+121B92N+140B23N=133B+101N+113B42N4.534.537.515.501955+8.6
85Markina, Sofiia1904CZE+129B58N76B+138N14B=116N+114B83N+126B4.534.537.515.251952+19.2
86Palka, Dominika Katarzyna1890CZE=21N26B+143N113B+135N100B+148N+117N33B4.534.537.015.001963+16.2
87Shibata, MisakiWCM1875JPN97N+163B+107N50B54N+111B=130N71B+117B4.533.535.014.751952+18.0
88Pick, Stepan1961CZE+163N97B=103N=115B+131N78B65N+110B=81N4.532.534.014.501857-23.8
89Dudarec, Elias1922CZE35N=98B135N+143B+103N129N+139B38B+122N4.532.035.015.501906-11.8
90Smilek, Petr1980CZE+147N3B+134N=37B+41N19B=58N23B66N4.043.046.016.751981+1.0
91Mylonas, Konstantinos1974GRE+146N+37B=3N=35B97N=23B=50N51BF4.041.041.020.252089+24.0
92De la Torre, Igor2038FRA+111B11N+84B+105N20B22N=69B=102NF4.039.539.516.752029-3.4
93Cabela, Filip2000CZE=137N+115B21N+135B37N+70B=23N58B61N4.038.541.515.501921-18.4
94Petirova, Iva1785CZE27B69N+156B+136N25B+80N+72B68N63B4.038.040.014.001911+27.8
95Plasek, Zdenek1942CZE2B111N+157B+127N22B+128N26N=115B=98B4.038.040.012.751914-11.4
96Rajnys, Vladimir1961CZE+154B30N+81B58N+123B34N+127B46N67B4.037.539.513.501869-20.6
97Wagner, Julian2134GER+87B+88N=11B=13N+91B16N39BFF4.037.537.519.502162+6.2
98Bezrodny, Itay1782ISR44B=89N+102B+75N31N57B77N+136B=95N4.037.040.015.751917+62.4
99Kovar, Josef1957CZE=62N=103B+148N78B=115N+66B52N53B=101N4.036.038.515.751804-34.6
100Korniichuk, Oleksandra2028CZE+144B8N112B=134N+124B+86N82B=60N49B4.035.538.515.001885-34.2
101Jouja, Matyas1833CZE58B39N+164B+83B104N=64N84B+137N=99B4.035.536.513.001901+31.2
102Sklenar, Tomas1911CZE=26N21B98N=154B+140N+131B=113N=92B54N4.034.536.513.751896-4.4
103Joensen, Henrik W.1714FAI=32B=99N=88B72N89B43N=141B+160N+145B4.034.536.513.501858+33.0
104Zelezny, Jan1980CZE81B+127N105B+160N+101B+26B29N56NF4.034.534.515.501927-10.8
105Atze, Burkhard1842GER12N+161B+104N92B71N38B+144N72N+156B4.034.035.510.501865+4.8
106Cejka, Jan1931CZE22B+144N14B114N+152B=153N43B=127N+141B4.033.536.011.501838-50.4
107Czaeczine, Paula1984GER+164B17N87B=43N134B=126N+152B+124N60B4.033.534.511.501818-78.0
108Olsen, Aage Dalstrup1986DEN=143N=137B+125N+26B7B21N+61BFF4.033.033.017.502019+7.0
109Kucera, Michal1900SVK5B151N+152B+161N39B+138N54B81N+131B4.032.534.010.001786-25.8
110Yedid, Lior1843ENG14B=155N129B=126N153B+151N+138B88N+139B4.029.031.011.251803-22.4
111Klozova, Zuzana1782CZE92N+95B71NF+161B87N124B+138N+132B4.028.028.011.501850+14.4
112Thomas, Kenneth1907USA36N+140B+100N=41B18N=76N=68B42BF3.539.039.014.501979+13.8
113Starcevic, Danijel2047CRO+127B2N=61B+86N=69B59N=102B84NF3.538.542.014.751915-30.4
114Simakhin, Martin1772CZE+76B13N47N+106B=130N75B85N+134B77N3.537.040.013.251884+46.4
115Rozumek, Krzysztof1802POL=68B93N+82B=88N=99B=79N64B=95N74B3.536.040.015.501892+20.2
116ALOWAYYID,FAISAL ABDULAZIZ H0KSA79N134B+139N+65B63N=85B66N+133B80N3.534.537.513.2517960.0
117Turkova, KarolinaWCM1978CZE+122N19B131N+162B=150N+53B41N86B87N3.534.536.011.251823-37.6
118Arres Mouti, Mounir1889FRA19N+122B120N+121B=57N=130B=71N75BF3.534.037.513.501897+0.6
119Jakubse, Tamae SeverinaWFM1920CZE=13B=25N39B=144N81B139N+149N+140BF3.534.034.013.251858-32.0
120Fock, Madiha1990GER73B+128N+118B36N59B127N=122N+123B70N3.533.537.012.251776-101.2
121Sboev, Kirill1758CZE40B84N+145B118N=136B+141N=67B61N=124B3.533.036.011.751817+26.0
122Bacaksiz, Bilal1728GER117B118N+128B59N+160B=67N=120B=80N89B3.533.035.012.001816+19.2
123Chaney, Ari1784USA=18N52B+165N=130B96N65B=147N120N+149B3.532.533.09.251834+9.4
124Konvalinka, Vladislav1851CZE41N=149B+154N42B100N=144B+111N107B=121N3.532.034.010.501788-16.4
125Alvanos, Athanasios, Dr.1853GER29B+156N108B=64N68B137N+146B126N+152B3.531.533.510.001793-15.6
126Barabas, Ales1780CZE31N=165B70N=110B=156N=107B=132N+125B85N3.531.031.510.251807+5.2
127Jilek, Marcel1785CZE113N104B+146N95B+149N+120B96N=106B69B3.530.533.011.001830+8.6
128Stehlik, Jiri1804CZE51N120B122N+147B+154N95B=140N+148B79N3.529.031.09.001758-13.4
129Cherniack, Alex2175USA85N=62B+110N=150B=142N+89B57NFF3.528.528.513.751891-46.8
130Christiansen, Arne1963DEN+138B23N=137B=123N=114B=118N=87BFF3.527.027.012.001848-20.6
131Rendl, Lubos1793CZE+39B34N+117B44N88B102N+156B67N109N3.037.039.011.001812+6.0
132Kopecky, Jiri1874CZE56B+159N40B=68N=64B74N=126B=139N111N3.035.537.510.251781-22.8
133Bourban, Karel1801SUI=52N78B=68B74N+155B=84N60B116N=140N3.035.037.010.751833+3.6
134Mydliar, Jan1842SVK46B+116N90B=100B+107N82N83B114N=137B3.033.036.011.001749-19.2
135Pospisil, Lukas1784CZE33B=82N+89B93N86B=156N80B=151N=136N3.033.035.010.501763-11.6
136Schuran, Werner1926GER8B+157N48N94B=121N62B+162N98N=135B3.033.034.56.751732-48.0
137Andersen, Carsten1770DEN=93B=108N=130N79B77N+125B70N101B=134N3.032.535.510.751789+4.2
138Feierfeil, Jiri1711CZE130N+65B55N85B+162N109B110N111B+154N3.032.033.58.501734+4.8
139Dubsky, Lukas1778CZE64B61N116B=158N+164N+119B89N=132B110N3.030.531.57.001783-1.6
140ALMUTAIRI,ABDULLAH MOHAMMED1748KSA57B112N+141B84N102B+158N=128B119N=133B3.030.032.08.251742-3.2
141Park, HaneulWCM1839KOR48N38B140N=164B+143N121B=103N+154B106N3.030.031.07.501716-63.6
142Sedlak, Milan1912CZE10B+153N33B+151N=129B=68N76BFF3.030.030.09.251945+4.2
143Hartmann, Simon1737GER=108B32N86B89N141B+164N145B=155N+157B3.028.529.56.001722-8.0
144Benda, Adam1773CZE100N106B+163N=119B82B=124N105B156N+155B3.027.529.07.001710-31.6
145Cavoli, Stefano1872ITA24N148B121N=155N=158B=154B+143N=147B103N3.026.028.07.501632-57.8
146Hampel, Rudolf1720CZE91B59N127B157N+159N=162B125N=158B+148N3.024.526.06.251673-11.6
147Brettner, Simeon1732GER90B60N160B128N+163B+155N=123B=145NF3.024.524.56.751726-3.2
148Glasberger, Roman1698CZE28B+145N99B=67N66B+160N86B128N146B2.533.535.57.501697-1.6
149Salussolia, Louis1677ENG75B=124N=67B82N127B+157N119B=152N123N2.530.532.57.501682-0.8
150Rubin, Andrej1890CZE20B+158N=42B=129N=117B40N73BFF2.530.530.58.251866-13.2
151Alhazmi, Abdulrahman Fahad1721KSA71N+109B63N142B65N110B+161N=135BF2.530.030.07.001707-8.0
152Vinther, Christoffer1762DEN83N77B109N+163B106N+161B107N=149B125N2.528.530.04.251667-23.8
153Garat, Cassius1736FRA54N142B65N+159B+110N=106B53NFF2.528.028.08.001773+5.2
154Andersen, Villy Abildgaard1701DEN96N=66B124B=102N128B=145N=157B141N138B2.029.031.07.001624-16.2
155Glaser, Jan1648CZE49N=110B66N=145B133N147B=163N=143B144N2.029.030.55.751590-12.6
156Zabehlicky, Jiri1657CZE55N125B94NF=126B=135B131N+144B105N2.029.029.06.251628-6.2
157Horslund, Mikael1771DEN42N136B95N+146B83N149B=154N=159B143N2.027.529.55.001602-38.8
158Horyna, Josef1717CZE47N150B43N=139B=145N140B160B=146N=164N2.027.028.05.001597-26.6
159Starup, Leo1691DEN63N132B162N153N146B=163N+164B=157N161B2.020.021.02.751540-33.8
160Kalveus, Jan1816SWEFF+147N104B122N148B+158N103BF2.019.019.05.001637-28.8
161Poezart, Alexandre1537SUI72B105NF109B111N152N151B=163B+159N1.525.025.02.751542-2.4
162Rumsey, Victor B1806ENG34B74N+159B117N138B=146N136BFF1.524.524.53.501631-30.6
163Paseka, Christian1704AUT88B87N144B152N147N=159B=155B=161NF1.523.023.02.751497-41.0
164Vallon, Gabriel1734SUI107N80B101N=141N139B143B159NF=158B1.025.525.52.501489-88.0
165De Andres Gonalons, Fernando1938ESP11B=126N123BFFFFFF0.513.513.51.751694-20.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets