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IChO 2018 problems

Theoretical problems – PDF
Practical problems – PDF

 

Translations

No. Country Code Problems
1ArgentinaARGTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
2ArmeniaARMTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
3AustraliaAUSTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
4AustriaAUTTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
5AzerbaijanAZETheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
6BelgiumBELTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
7BulgariaBGRTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
8BelarusBLRTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
9BrazilBRATheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
10CanadaCANTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
11SwitzerlandCHETheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
12ChinaCHNTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
13Costa RicaCRITheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
14CyprusCYPTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
15Czech RepublicCZETheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
16GermanyDEUTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
17DenmarkDNKTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
18SpainESPTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
19EstoniaESTTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
20FinlandFINTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
21FranceFRATheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
22United KingdomGBRTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
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23GeorgiaGEOTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
24GreeceGRCTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
25CroatiaHRVTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
26HungaryHUNTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
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27IndonesiaIDNTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
28IndiaINDTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
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Practical no. 4
29Republic of IrelandIRLTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
30IranIRNTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
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31IcelandISLTheoretical no. 1
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Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
32IsraelISRTheoretical no. 1
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Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
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33ItalyITATheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
34JapanJPNTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
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Practical no. 4
35KazakhstanKAZTheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
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36KyrgyzstanKGZTheoretical no. 1
Theoretical no. 2
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Theoretical no. 4
Practical no. 1
Practical no. 2
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37South KoreaKORTheoretical no. 1
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Theoretical no. 4
Practical no. 1
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38LithuaniaLTUTheoretical no. 1
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Theoretical no. 4
Practical no. 1
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39LatviaLVATheoretical no. 1
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40MoldovaMDATheoretical no. 1
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41MexicoMEXTheoretical no. 1
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Practical no. 1
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42Republic of MacedoniaMKDTheoretical no. 1
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Theoretical no. 4
Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
43MontenegroMNETheoretical no. 1
Theoretical no. 2
Theoretical no. 3
Theoretical no. 4
Practical no. 1
Practical no. 2
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44MongoliaMNGTheoretical no. 1
Theoretical no. 2
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Theoretical no. 4
Practical no. 1
Practical no. 2
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45MalaysiaMYSTheoretical no. 1
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Practical no. 1
Practical no. 2
Practical no. 3
Practical no. 4
46NigeriaNGATheoretical no. 1
Theoretical no. 2
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Practical no. 1
Practical no. 2
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47NetherlandsNLDTheoretical no. 1
Theoretical no. 2
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Practical no. 1
Practical no. 2
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48NorwayNORTheoretical no. 1
Theoretical no. 2
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Practical no. 1
Practical no. 2
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49New ZealandNZLTheoretical no. 1
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Practical no. 4
50PakistanPAKTheoretical no. 1
Theoretical no. 2
Practical no. 1
Practical no. 2
51PeruPERTheoretical no. 1
Theoretical no. 2
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Theoretical no. 4
Practical no. 1
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52PhilippinesPHLTheoretical no. 1
Theoretical no. 2
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Practical no. 1
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53PolandPOLTheoretical no. 1
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Practical no. 1
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54PortugalPRTTheoretical no. 1
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Practical no. 1
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55RomaniaROUTheoretical no. 1
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56Russian FederationRUSTheoretical no. 1
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Practical no. 1
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57Saudi ArabiaSAUTheoretical no. 1
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Practical no. 1
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58SingaporeSGPTheoretical no. 1
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59El SalvadorSLVTheoretical no. 1
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60SerbiaSRBTheoretical no. 1
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Practical no. 1
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61SlovakiaSVKTheoretical no. 1
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Practical no. 1
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62SloveniaSVNTheoretical no. 1
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Theoretical no. 4
Practical no. 1
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63SwedenSWETheoretical no. 1
Theoretical no. 2
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Practical no. 1
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64Syrian Arab RepublicSYRTheoretical no. 1
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65ThailandTHATheoretical no. 1
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Practical no. 1
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66TajikistanTJKTheoretical no. 1
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Practical no. 1
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67TurkmenistanTKMTheoretical no. 1
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Practical no. 4
68TurkeyTURTheoretical no. 1
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69TaiwanTWNTheoretical no. 1
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Practical no. 1
Practical no. 2
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70UkraineUKRTheoretical no. 1
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Theoretical no. 4
Practical no. 1
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71UruguayURYTheoretical no. 1
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72United States of AmericaUSATheoretical no. 1
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73UzbekistanUZBTheoretical no. 1
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Practical no. 1
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74VenezuelaVENTheoretical no. 1
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75VietnamVNMTheoretical no. 1
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76South AfricaZAFTheoretical no. 1
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