International Solving Contest 2026
22nd International Solving Contest (ISC) 25th January 2026 Results & Statistics
ISC 2026 will be remembered as a historic edition of the contest. With 952 participants , this year set a new all-time record in the history of ISC. The event was held in 59 tournaments across 26 countries, bringing together 162 solvers in Category 1, 346 in Category 2, and 443 in Category 3. Such participation clearly demonstrates the continued growth of solving worldwide and the increasing engagement of new and young solvers. It is inspiring to see our community expanding year by year, uniting experienced masters and beginners alike in the same global event. Thank you to all Local Controllers for your dedication, precision and cooperation. Congratulations to the winners and prize-winners in all three categories for their excellent performances.
Problems CAT1 – CAT2 – CAT3 | Solutions CAT1 – CAT2 – CAT3
Results CAT1 – CAT2 – CAT3
Full presentation of the RESULTS in PDF
* Note regarding the result of Nika Riabenko Following the post-event verification process, the result of Nika Riabenko was temporarily withheld and the case was referred to the Appeals Commission. After reviewing the available materials, the Appeals Commission decided that the result should be excluded from the official ranking and recorded as unofficial, and the final standings reflect this decision.
Romania Timisoara ISC 2026
Romania Bucharest ISC 2026
Croatia Zagreb ISC 2026
India Mumbai ISC 2026
Russia Tula ISC 2026
Japan Tokyo ISC 2026
India Bangalore ISC 2026
Brasil Rio de Janeiro ISC 2026
Serbia Belgrade ISC 2026
Latvia Riga ISC 2026
India Delhi ISC 2026
India Chennai ISC 2026
Netherlands-Schiedam ISC 2026
Moldova Kishinev ISC 2026
Lithuania Vilnius ISC 2026
India Kolkata ISC 2026
Russia Moscow ISC 2026
Russia St-Petersburg ISC 2026
Slovakia Bratislava ISC 2026
Slovenia Ljubljana ISC 2026
Poland Cracow ISC 2026
Nepal Kathmandu2 ISC 2026
Greece Patras ISC 2026
GER-Münster ISC 2026
ISC 2026 Winners
Category 1
Rank Name From Points Time Overall 1 Taras Rudenko UKR 47.25 240 2 Joost Michielsen NED 45.5 240 3 Roland Baier SUI 44 240 Women 1 Audrey Kueh GBR 31.5 240 2 Avika Panwar IND 13.5 240 3 Denisa-Andreea Bucur ROU 13 210 Juniors 1 Taras Rudenko UKR 47.25 240 2 Ilija Serafimovic SRB 41 240 3 Chinguun Sumiya MGL 39 240 Seniors 1 Roland Baier SUI 44 240 2 Ofer Comay ISR 41.75 236 3 Marek Kolcak SVK 36 239
Category 2
Rank Name From Points Time Overall 1 Alexander Nosak SVK 55.5 221 2 Ashwin Sairam IND 54.5 211 3 Renars Muzis LAT 54 238 Women 1 Zuzana Kovacova SVK 47 240 2 Swati Mohota IND 42.5 240 3 Anna Lickova, CZE 37 240 Juniors 1 Alexander Nosak SVK 55.5 221 2 Ashwin Sairam IND 54.5 211 3 Renars Muzis LAT 54 238 Seniors 1 Zoran Sibinovic SRB 50 214 2 Nikola Nikolic SRB 44 239 3 Torsten David GER 43.75 216
Category 3
Rank Name From Points Time Overall 1 Nikolai Shevyakov FID 30 26 2 Vlad Stan ROU 30 51 3 Vasilisa Smirnyagina FID 30 57 Girls 1 Vasilisa Smirnyagina FID 30 57 2 Ekaterina Vedernikova FID 29 66 3 Alisa Bubnova FID 29 70
ISC 2026 Statistics
Category Category 1 Category 2 Category 3 Total Juniors (<23) 41 195 444 680 Seniors (>59) 47 50 0 97 Women 10 63 94 167 all 163 346 443 952 Oldest solver Eriks Priedneks (LAT) age 87 Youngest solver Ramneek Saluja Singh (IND) age 5
Title Total participants ISC 2026 Category 1 Category 2 Category 3 GM 14 14 0 0 IM 12 12 0 0 FM 10 10 0 0 2301-2400 5 5 0 0 2201-2300 9 9 0 0 2101-2200 9 8 0 1 2001-2100 11 11 0 0 1901-2000 25 18 6 1 1801-1900 29 14 15 0 1701-1800 34 11 23 0 1601-1700 65 11 46 8 1501-1600 30 1 26 3 1401-1500 11 2 4 5 1301-1400 3 0 3 0 – 686 37 223 425 Total 952 163 346 443
Tournament location
Country Tournament Category 1 Category 2 Category 3 Total ISC 2025 Brasil 1 0 6 1 7 Croatia 1 10 0 4 14 Czech republic 1 4 9 1 14 Finland 1 6 5 2 13 France 1 1 4 2 7 Great Britain 1 4 1 0 5 Germany 2 9 8 0 17 Greece 2 4 12 3 19 India 11 28 185 170 383 Israel 1 6 10 1 17 Japan 1 16 8 4 28 Latvia 1 2 9 0 11 Lithuania 1 5 1 0 6 Moldova 1 5 2 23 30 Mongolia 1 6 0 4 10 Nepal 1 0 11 10 21 Netherlands 1 5 8 0 13 Poland 4 4 19 7 30 Romania 7 16 25 26 67 Russia 11 110 110 Slovenia 1 4 2 0 6 Serbia 2 4 6 68 78 Switzerland 1 11 3 0 14 Slovakia 2 6 9 4 19 Ukraine 1 6 1 3 10 Turkey 1 1 2 0 3 Total 59 163 356 443 952
Representatives of countries in each location
Country Town # solvers Same country Foreign country Countries Unofficial solvers IND Chennai 185 184 1 KOR SRB Aradac 67 67 13 IND Mumbai 36 36 IND Indore 34 34 RUS Arkhangelsk 31 31 MDA Kishinev 30 30 JPN Tokyo 28 24 4 HKG, IND, UKR, USA 1 IND Bangalore 27 27 IND Vasco da Gama 27 27 IND Nashik 22 22 NEP Kathmandu 21 21 1 ROU Pitesti 19 19 ISR Kiryat Ono 17 17 IND Bhopal 16 16 2 IND Udaipur 16 16 ROU Bucharest 15 15 SUI Bern 14 9 3 2 FIDE, 2 GER, GRE RUS Novy Urengoy 14 14 CZE Prague 14 14 CRO Zagreb 14 14 FIN Helsinki 13 12 1 THA RUS Yekaterinburg 13 13 GRE Patra 13 13 NED Schiedam 13 12 1 BEL SVK Bratislava 12 11 1 UKR SRB Belgrade 11 10 1 FIDE GER Dresden 11 10 1 NEP LAT Riga 11 11 ROU Cugir 10 10 ROU Drobeta Turnu Severin 10 10 IND Kolkata 10 10 UKR Poltava 10 9 1 UKR 1 RUS Saint Petersburg 10 10 RUS Tula 10 10 1 MGL Ulaanbaatar 10 10 POL Cracow 9 8 1 ISL POL Warsaw 9 9 RUS Nyandoma 8 8 RUS Velsk 8 8 POL Wroclaw 8 7 1 UKR FRA Le Vesinet 7 7 SVK Liptovsky Mikulas 7 7 BRA Rio de Janeiro 7 7 GRE Athens 6 6 IND Delhi 6 6 SLO Ljubljana 6 6 RUS Moscow 6 6 GER Munster 6 6 ROU Timisoara 6 6 1 LTU Vilnius 6 6 GBR Sheffield 5 5 RUS Ustyansky 5 5 ROU Cluj-Napoca 4 4 POL Gorzow Wielkopolski 4 4 IND Gurugram 4 4 RUS Severodvinsk 4 4 ROU Iasi 3 3 TUR Istanbul 3 3 RUS Kotlas 1 1 Total 16 20
Number of participants from each country
No. Participants country Total participants ISC 2026 Category 1 Category 2 Category 3 1 IND 383 29 185 169 2 RUS 113 2 1 110 3 SRB 77 3 6 68 4 ROU 67 16 25 26 5 MDA 30 5 2 23 6 POL 28 4 17 7 7 JPN 24 13 7 4 8 NEP 22 12 10 9 GRE 20 4 13 3 10 GER 18 10 8 11 SVK 18 6 8 4 12 ISR 17 6 10 1 13 CRO 14 10 4 14 CZE 14 4 9 1 15 UKR 13 6 4 3 16 FIN 12 6 4 2 17 NED 12 4 8 18 LAT 11 2 9 19 MGL 10 6 4 20 SUI 9 9 21 BRA 7 6 1 22 FRA 7 1 4 2 23 LTU 6 5 1 24 SLO 6 4 2 25 GBR 5 4 1 26 TUR 3 1 2 27 BEL 1 1 28 HKG 1 1 29 ISL 1 1 30 KOR 1 1 31 THA 1 1 32 USA 1 1 Total 952 163 346 443
Arvydas Mockus, Central Controller of ISC 202 6