16th International Solving Contest (ISC)
26th January 2020
Results & Statistics
48 tournaments in 31 countries, 885 solvers from 47 countries.
Thank you to all local controllers. You make this tournament to a great success.
I want to give a special thank to
- Ivan Denkovski, Luc Palmans, Marjan Kovacevic and Neal Turner for selecting the problems
- Luc Palmans for the preparing of problem and solution sheets.
- Borislav Gadjanski for his help with all activities concerning Mat Plus and daily updates of results on Mat Plus
- all Local controllers who uses the STM for their results
Axel Steinbrink, Central controller of ISC 2020.
Final results
Category 1 (202 solvers) | Category 2 (241 solvers) | Category 3 (442 solvers)
(Produced by Solving Tournament Manager (STM))
Ulrich Voigt (GER), 1st place
(photo by Franziska Iseli)
ISC 2020 Winners (see also in PDF)
| Rank | Solver | From | Points | Time |
|---|---|---|---|---|
| Category 1 | ||||
| Overall ⇓ | ||||
| 1 | Ulrich Voigt | GER | 60,0 | 232 |
| 2 | Kacper Piorun | POL | 58,75 | 210 |
| 3 | Evgeny Viktorov | RUS | 58 | 224 |
| Women ⇓ | ||||
| Juniors ⇓ | ||||
| Seniors ⇓ | ||||
| Category 2 | ||||
| Overall ⇓ | ||||
| 1 | Alexander Smirnov | RUS | 59 | 230 |
| 2 | Miķelis Emīls Miķelsons | LAT | 54 | 201 |
| 3 | Bartosz Świątek | POL | 53,5 | 163 |
| Women ⇓ | ||||
| Juniors ⇓ | ||||
| Seniors ⇓ | ||||
| Category 3 | ||||
| Overall ⇓ | ||||
| 1 | Nikita Ushakov | RUS | 30 | 38 |
| 2 | Agnesa Stepania Ter-Avetisjana | LAT | 30 | 40 |
| 3 | Daniil Maneluk | RUS | 30 | 42 |
| Girls⇓ | ||||
| The Gallery |
|---|
| Switzerland – Bern |
  
(photos by Franziska Iseli) |
| India – Bangalore |
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| Israel – Kiryat Ono |
   |
| Romania – Cluj-Napoca |
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| UAE – Fujairah |
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| Latvia – Riga |
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| Lithuania – Vilnius |
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| Serbia – Belgrade |
 |
| Poland – Gniezno |
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| Greece – Patras |
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| Ukraine – Dnepr |
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| Japan – Tokyo |
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| France – Orsay |
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| Poland – Wrocław |
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| Russia – Volgograd area: |
| – Arhangelsk |
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| – Cheboksari |
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| – Glazov |
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| – Proletarsk |
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| – Rostov-na-Donu |
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| – Severodvinsk |
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| – Volgograd |
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| – Ahtuba |
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Statistics
| Category | Category 1 | Category 2 | Category 3 | Total |
|---|---|---|---|---|
| Juniors (<23) | 24 | 118 | 442 | 584 |
| Seniors (>59) | 61 | 51 | 0 | 112 |
| Women | 4 | 30 | 87 | 121 |
| Oldest solver | Poul Hedegaard Jensen (DEN) | age 92 | ||
| Youngest solver | R. Shivani (IND) |
age 5 | ||
| Country | Tournaments | Category 1 | Category 2 | Category 3 | Total ISC 2020 | Total ISC 2019 | Total ISC 2018 | Total ISC 2017 |
|---|---|---|---|---|---|---|---|---|
| Belarus | 1 | 5 | 0 | 0 | 5 | 5 | 6 | 6 |
| Belgium | 1 | 5 | 4 | 0 | 9 | 2 | no part. | 4 |
| Brazil | 1 | 1 | 0 | 0 | 1 | 1 | 2 | 4 |
| Croatia | 1 | 2 | 3 | 0 | 5 | 14 | 14 | 8 |
| Czech Republic | 1 | 4 | 4 | 0 | 8 | 7 | 10 | 5 |
| Denmark | 1 | 3 | 0 | 0 | 3 | 3 | 1 | 3 |
| Finland | 1 | 10 | 2 | 1 | 13 | 14 | 13 | 8 |
| France | 1 | 3 | 4 | 0 | 7 | 7 | 11 | 6 |
| Georgia | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 |
| Germany | 2 | 11 | 10 | 6 | 27 | 31 | 14 | 12 |
| Great Britain | 2 | 9 | 2 | 0 | 11 | 12 | 7 | 11 |
| Greece | 2 | 4 | 6 | 6 | 16 | 29 | 20 | 28 |
| India | 2 | 10 | 9 | 19 | 38 | 30 | 18 | 37 |
| Israel | 1 | 11 | 17 | 10 | 38 | 24 | 22 | 17 |
| Japan | 1 | 10 | 2 | 0 | 12 | 15 | 19 | 12 |
| Latvia | 1 | 3 | 11 | 2 | 16 | 13 | 23 | 31 |
| Lithuania | 1 | 4 | 0 | 2 | 6 | 9 | 5 | 5 |
| North Macedonia | 1 | 7 | 3 | 2 | 12 | 2 | 18 | no part. |
| Moldova | 1 | 3 | 7 | 0 | 10 | 9 | 12 | 10 |
| Mongolia | 1 | 3 | 10 | 6 | 19 | 6 | 27 | 19 |
| Netherlands | 1 | 11 | 8 | 0 | 19 | 16 | 12 | 16 |
| Poland | 3 | 5 | 9 | 9 | 23 | 69 | 50 | 16 |
| Romania | 1 | 3 | 11 | 6 | 20 | 9 | 9 | 14 |
| Russia | 10 | 8 | 51 | 269 | 328 | 118 | 178 | 128 |
| Serbia | 1 | 9 | 4 | 2 | 15 | 15 | 20 | 18 |
| Slovakia | 1 | 3 | 5 | 0 | 8 | 11 | 9 | 14 |
| Slovenia | 1 | 7 | 2 | 0 | 9 | 8 | 9 | 9 |
| Spain | 1 | 0 | 0 | 1 | 1 | 11 | 14 | 13 |
| Switzerland | 1 | 11 | 1 | 1 | 13 | 12 | 11 | 8 |
| Ukraine | 3 | 9 | 11 | 12 | 32 | 21 | 16 | 19 |
| United Arab Emirates | 1 | 27 | 45 | 88 | 160 | 113 | no part. | no part. |
| Total | 48 | 202 | 241 | 442 | 885 | 648 | 602 | 482 |
Invitation (post)
Problems cat.1 | Problems cat.2 | Problems cat.3 | Solutions cat.1 | Solutions cat.2 | Solutions cat.3
ISC 2020 Winners | ISC 2020 statistics | ISC 2020 analysis of study-solutions
ISC TOP 100 2005-2020
Axel Steinbrink, Luc Palmans
Central controllers ISC 2020