International Chemistry Olympiad. 2021

5/5
Transparency of evaluation
5/5
Assignment uniqueness
5/5
Screening selectivity
3/5
Award selectivity
Credibility
309
participants
84
countries
  1. IChO #53
CountryNameScoreMedal
1CNShu Yang97.57
Gold
2CNZhangyi Huang97.08
Gold
3CNXinyu Cai95.61
Gold
4CNBangsen Zhao94.39
Gold
5UZSobirjon Amanov92.14
Gold
6ROMircea Raul Bodrogean90.54
Gold
7RUAleksandr E. Trofimov88.67
Gold
8VNAnh Duy Nguyen88.43
Gold
9TWBo-An Chen88.33
Gold
10RUGeorgii M. Zhomin88.13
Gold
11TWChun-Cheng Ting87.96
Gold
12VNPhuong Duc Nam Pham86.86
Gold
13USQiyang Zhou86.83
Gold
14TRBerkan Tarak86.2
Gold
15SGChen Yizhou85.35
Gold
16GBAlexander Ramsay Thow84.33
Gold
17TWRui-Xi Wang84.05
Gold
18SGCheng Jun, Nicholas Goh83.99
Gold
19ILNir Cohen83.71
Gold
20RUTimofey A. Charkin83.59
Gold
21ROTudor Lile82.69
Gold
22INAdarsh Reddy Madur81.99
Gold
23IRMahbod Alian Fini81.76
Gold
24TRDeniz Guner81.34
Gold
25RUAndrei S. Tyrin81.31
Gold
26INDhananjay Raman81.3
Gold
27USYitian Zhu81.03
Gold
28CZFilip Hůlek80.95
Gold
29GBHarry John List80.9
Gold
30VNAnh Le Thao Nguyen80.33
Gold
31IRMahyar Afshinmehr80.17
Gold
32KRMyeongjin Shin80.14
Gold
33ROAlexandru Catalin Dianu79.82
Gold
34VNDuong Hoang Nguyen79.05
Silver
35ROStefan Dimitriu78.81
Silver
36TRSebnem Gul78.81
Silver
37BYUladzislau Hlatankou78.74
Silver
38SGAlphonsus Yu Xiang Neo77.76
Silver
39PLMichal Piotr Lipiec77.48
Silver
40AUOscar Dong77.22
Silver
41KRSeung Jae Kang76.88
Silver
42USNikhil Seshadri76.11
Silver
43IDFaatih Regind Qashash Roman76.06
Silver
44SGBernard Tze Wei Kwee75.83
Silver
45TWHsuan-Ting Lin74.87
Silver
46INMahit Rajesh Gadhiwala74.29
Silver
47IRSeyed Mohammad Hossein Barakati72.82
Silver
48IEOisín Colm Ó Feinneadha72.75
Silver
49UAOleksandr Zaporozhets71.96
Silver
50TRGoktug Gulsoy70.76
Silver
51TJShahzod Nazirov70.49
Silver
52KRHee Seong Yoon69.93
Silver
53THJirapat Rujirayuk69.79
Silver
54RSJovan Marković69.42
Silver
55DELinus Albert Schwarz69.32
Silver
56TJMuhammad Barotov68.8
Silver
57BRVinicius Da Silveira Lanza Avelar68.34
Silver
58HULucio Saracco67.68
Silver
59GRIoannis Karageorgiou67.17
Silver
60THNichawadee Kanjanakosit67.03
Silver
61TMDavut Muhammetgulyyev66.4
Silver
62JPTakahiro Takemoto65.92
Silver
63JPKohei Nishiura65.65
Silver
64PLBruno Andrzej Skoczen65.63
Silver
65KZKhaidar Kairbek65.2
Silver
66SAMohammad Solaiman Alhadlaq64.93
Silver
67CZMarek Pavlica64.38
Silver
68IREhsan Naderi Donig64.21
Silver
69SIPatrik Žnidaršič64
Silver
70KRSeoyeon Kim63.13
Silver
71MNGerel Bayarmagnai62.88
Silver
72MNTemujin Orkhon62.78
Silver
73USKien Phuong62.56
Silver
74IETong Wu61.87
Silver
75GBZachary John Mcguire61.69
Silver
76INRishit Singla61.6
Silver
77CAAndy Cai61.36
Silver
78THLita Tantipraphat60.66
Silver
79LVDžonatans Miks Melgalvis60.6
Silver
80JPYuya Koike60.54
Silver
81SAMohammad Rashed Alhudaithi60.11
Silver
82SAAbdulaziz Abdulrahman Aljuaid59.89
Silver
83SKMatúš Tomčo59.85
Silver
84ILItamar Steinitz59.6
Silver
85TMGozel Dovranova59.56
Silver
86PHRon Angelo A. Gelacio58.34
Silver
87SISimon Bukovšek57.5
Silver
88ATMichael Schembera57.2
Silver
89KZSanzhar Bissenali57.17
Silver
90DETim Bastian Enders57.12
Silver
91BGPavel Atanasov Nikolov56.83
Silver
92TMBerdigylych Rejepbayev56.72
Silver
93HUDávid Benkő56.28
Silver
94TMYusup Dovletmyradov56.1
Silver
95KZMadiyar Kassymaly55.62
Silver
96LTPovilas Dapsys55.52
Silver
97PHNathan Wayne F. Ariston55.36
Silver
98LVDaniils Kargins55.21
Silver
99PLJakub Krzysztof Kwiatkowski54.81
Silver
100UAIhor Kholomieiev54.71
Silver
101IDKevin Lius Bong53.77
Bronze
102LTTadas Danilevicius53.71
Bronze
103AZKhanim Yagublu53.59
Bronze
104THSathira Jantarakulchai53.3
Bronze
105MNIrmuun Altankhuyag53.07
Bronze
106KGKamil Mambetov52.79
Bronze
107ILNeta Eiger52.75
Bronze
108HUIstván Babcsányi52.51
Bronze
109BGSamuil Vladimirov Petkov52.42
Bronze
110UZDurdona Muxtarxujayeva52.18
Bronze
111RSLazar Savić52.12
Bronze
112IDHanif Muhammad Zhafran51.97
Bronze
113MKDarko Stojchev51.86
Bronze
114LVVladislavs Tiščenko51.06
Bronze
115ATMaciej Swiatek50.96
Bronze
116AUKeith Wong50.89
Bronze
117DEJohann Sora Blakytny50.81
Bronze
118CAAndrei Banica50.65
Bronze
119UZFirdavs Sobirov50.47
Bronze
120GEKetevan Peranidze50.47
Bronze
121NOAbdur-Raheem Idowu50.24
Bronze
122FRRuben Tapia49.63
Bronze
123AUAustin Lin49.56
Bronze
124SKPatrik Fábrik49.56
Bronze
125KZAigerim Turuspekova49.45
Bronze
126IDNathanael Reza Putra Widjaja49.42
Bronze
127LVEdvards Jānis Treijs49.41
Bronze
128BGGeorgi Neliyanov Nedyalkov49.28
Bronze
129AZSalman Huseynov48.49
Bronze
130BRCassia Caroline Aguiar Da Ponte48.22
Bronze
131BYAngelina Rogatch48.04
Bronze
132HUBenedek Sajósi47.96
Bronze
133BYAlina Tumashyk47.73
Bronze
134AZNariman Shirinli47.44
Bronze
135SASaeed Sultan Baghdadi47.39
Bronze
136SYAhmad Thaer Ater47.36
Bronze
137SYMaha Ali47.32
Bronze
138MXJorge García-Ponce46.82
Bronze
139CAMichael Li46.71
Bronze
140ATLukas Rost46.48
Bronze
141BGTeodor Svilenov Maslyankov46.4
Bronze
142LKNadun Naveendra Rajapaksha46.15
Bronze
143UAYurii Okis46.09
Bronze
144RSDimitrije Gligorovski45.98
Bronze
145LKAchira Hansindu Kelambi Arachchige45.71
Bronze
146BRMarina Malta Nogueira45.55
Bronze
147HRFran Miletic45.31
Bronze
148JPHaruhi Isse45.22
Bronze
149SIJernej Birk45.05
Bronze
150SEYangyi Qi45.03
Bronze
151EEAleksandr Beditski44.7
Bronze
152AUVincent Ng44.41
Bronze
153SYAnas Abbas44.28
Bronze
154PLAdam Szymon Sukiennik44.24
Bronze
155CZTomáš Heger44.08
Bronze
156UZIkromiddin Boymahammadov43.17
Bronze
157DEFynn Lasse Noah Kessels43.07
Bronze
158CZJakub Sochor43.03
Bronze
159MXEmilio Alonso Venegas-Hernandez42.97
Bronze
160DKMichael Estes42.57
Bronze
161EELiis Siigur42.57
Bronze
162NLJochem Van Den Broek42.53
Bronze
163GENino Abesadze42.01
Bronze
164AMHayk Aghekyan41.82
Bronze
165PHAames Juriel B. Morales41.19
Bronze
166FRThéodore Halley40.99
Bronze
167MDValerian Mocreac40.56
Bronze
168FRAlexandre Bloquel40.41
Bronze
169LTLaimis Jurkenas40.39
Bronze
170AZMahsati Piriyeva40.28
Bronze
171BEDaan Roger Stan Vanhaecke40.26
Bronze
172LTSimonas Melaika40.1
Bronze
173CHSandro Pfammatter39.92
Bronze
174GEIoane Kapanadze39.86
Bronze
175SVFredi Manuel Barraza Hernandez39.45
Bronze
176MDTatiana Sviriniuc39.35
Bronze
177NZMason Minghan Liu39.27
Bronze
178SKJán Plachý39.06
Bronze
179IEOscar Eric Moran Despard38.93
Bronze
180AMLeonid Asatryan38.91
Bronze
181CATerry Wang38.77
Bronze
182BRHana Gabriela Albuquerque Sousa38.75
Bronze
183ILTal Sason38.69
Bronze
184AMTigran Harutyunyan38.53
Bronze
185EEAndrei Kornijenko38.41
Bronze
186RSNevena Stojković38.31
Bronze
187MDAdelina Andrei38.16
Bronze
188SKSamuel Kolesár37.99
Bronze
189NLSebastian Jacob Krikke37.5
Bronze
190ATPaul Johann Dorfer37.47
Bronze
191DKLin Bigom-Eriksen37.19
Bronze
192LKManujaya Praveen Wijesinghe36.84
Bronze
193BYKiryl Maroz36.57
Bronze
194MDMaxim Cojocari-Goncear36.06
Bronze
195MNBumchin Dolgormaa35.43
Diploma
196NZAbhinav Chawla35
Diploma
197FIAku Hertell34.86
Diploma
198UADaria Klymenko34.83
Diploma
199PTJoão Pedro Bonito Caldeira34.66
Diploma
200FRThéo Mignen34.6
Diploma
201SYAli Marouf34.56
Diploma
202HROlga Jerkovic Peric34.45
Diploma
203NZSam Wuji Zhuang34.4
Diploma
204FISamuel Klaver34.27
Diploma
205SIVid Kavčič33.37
Diploma
206CHJessica Rebekka Kurmann33.21
Diploma
207BDSafwan Sakib32.87
Diploma
208MXGerardo Emiliano Gutierrez-Alvarez31.69
Diploma
209LURafael Dux31.43
Diploma
210IEAoife Mary Morris31.06
Diploma
211FIHenri Kärpijoki30.82
Diploma
212LKDinithi Shalika Madhubhashini30.61
Diploma
213NZDaniel Jiyoun Jang30.57
Diploma
214GRAthanasios Feidakis30.17
Diploma
215LUJean-Marc Furlano29.88
Diploma
216AEVaidik Rajesh Hurkat28.98
Diploma
217BDMahin Kamal Sawdager28.76
Diploma
218BDKhalid Hasan Tuhin28.62
Diploma
219MXEmmanuel Sotomea-Renova28.2
220NOSimen Mannsåker28.15
221GELizi Darchia27.62
222NOJoachim Julian Klaussen25.84
223GRDimitrios Stylianakis25.71
224CHAnastasia Aleksandrovna Sandamirskaya25.41
225DKTheodor Malte Novrup Redvall25.37
226KGNadezhda Ondrina25.37
227QANihit Agarwal25.34
228MKAnja Spasovska25.09
229HRMarko Preocanin24.75
230NGJoseph Eghenevwegba Ikuru24.57
231PTMariana Vilela Marta Rio Costa24.45
232AMSevada Nersisyan24.03
233MKJan Stojanovski23.86
234MEDanijel Aleksic23.62
235AEDevavrat Verma22.86
236KGAzamat Salamatov22.58
237SVEmily Alejandra Crespin Guerra22.31
238DKMelanie Muntz22.25
239KGIvan Reshetnikov21.95
240GRVasileios Papastamopoulos21.39
241NOTina Kalleson21.12
242PTBeatriz Crisóstomo Valério Figueiredo20.68
243SELeopold Kall20.48
244BDTawhid Muhammad Mubashwir20.47
245MKMihail Trajkov20.42
246PHKristoff John F. Padilla20.34
247BEJef H.K. Van Eester19.77
248MYLim Xu Yao19.77
249AEYasmin Mahmood Abdulla Mohammad Ali19.52
250HRJasmin Jasarevic19.2
251UYAgustín Corbo Borche19.02
252PKAyesha Junaid18.6
253SEErik Bryland18.22
254NLMitchell Rikken17.95
255TJNuriddin Valizoda16.99
256CYGiorgos Papachristodoulou15.63
257PTTiago Miguel Gomes De Sousa15.53
258ISDagur Bjorn Benediktsson14.71
259FIOtto Keronen14.59
260LURaphaël Menasce14.43
261UYMariano Díaz Borges14.36
262SVLuis Ronaldo Chavez Escamilla13.81
263ZAMuhammad Mahdi Da Costa13.57
264VEVerónica Landaeta Hernández13.42
265UYAgustín Almeida Ahlers13.25
266VEAlberto Josué Alava Cedeño12.91
267CHAntoine Robin Chèvre12.84
268BELouis Pecheur12.83
269BELukas Schieble12.69
270CYChristiana Kosta12.62
271NLMax Rudolf Antonius Karel Van Hest12.62
272OMArwa Al Hashimi12.53
273MYWong Yi Yang12.49
274SEElsa Bitzén12.38
275ISTelma Jeanne Bonthonneau12.34
276CYJessica Thackeray12.09
277MYBernie Lim Wei Yuan12.03
278PKMuhammad Yahya11.58
279LULaurent Bommertz11.48
280QASushanthi Anandaraja10.75
281QASara Fahed Al Ali Alahmad9.07
282PKMuhammad Ismail8.71
283MEIva Djurickovic8.42
284AEAhmed Abdulaziz Alsabbagh8.36
285CYStylianos Tamasios8.05
286ISDaniel Heidar Jack7.88
287PKRameesha Khursheed7.77
288MYShawn Vernon Wong Siang Ray7.72
289CRFanny Mariana Solís González7.33
290CROlivia Sojourner Dixon7.29
291OMMaryam Al-Hatmi7.25
292UYCandela S. Gómez7.08
293TJMuhammadzhon Otakhonov7.06
294OMAbdullah Al-Azri6.99
295TTAlayna Ragbar6.89
296TTAiden Ramgoolam6.21
297TTVineeta Bujhawan6.12
298OMLujaina Al Badi5.61
299ISIsak Hugi Einarsson5.58
300CRIgnacio Herrera Gamboa5.19
301ZAMohammed Tanweer Alli5.02
302TTJaasiel Edwards4.55
303QAAsmahan Abdulaziz Al-Kuwari4.54
304ZAErkam Cihan Caglak4.33
305SVBrenda Nicole Juarez Marroquín4.01
306NGIfeanyichukwu Valentine Umeanyika2.99
307MEKsenija Tadic2.79
308ZAAbdul-Baasit Salie1.92
309MEMilica Zizic1.41