RESULTS & WM

RESULTS 2019

TEAM	Sum_Q	Q	Sum₁	R₁	Sum₂	R₂	Q/2+R₁+R₂	Sum_F	R_F	FR	PRIZE
France 1	54	0.54	260	1.0000	265	1.0000	2.2700	236	1.0000	5.4116	Grand First
Belarus 1	60.5	0.605	178	1.0000	184	1.0000	2.3025	218	0.9237	5.2044	First
Poland	73	0.73	234	0.9000	196	1.0000	2.2650	204	0.8644	4.9806	Second
Germany 1	51.5	0.515	222	0.8538	189	1.0000	2.1113	211	1.0000	5.2529	Second
Belarus 2	43	0.43	211	0.9679	176	0.9565	2.1394	193	0.9147	5.0130	Second
France 2	45	0.45	214	0.9817	180	0.9524	2.1591	179	0.8483	4.8241	Third
Ukraine	58	0.58	148	0.8315	251	0.9472	2.0687	289	1.0000	5.2103	Third
Germany 2	29.5	0.295	173	1.0000	170	0.8995	2.0470	209	0.7232	4.3190	Third
Russia 1	36.5	0.365	160	0.9249	156	0.8451	1.9525	176	0.6090	3.8657	Third
Romania 2	24	0.24	218	1.0000	170	0.8673	1.9873	163	0.5640	3.7592	Third
Russia 2	40.5	0.405	131	0.7360	167	0.8520	1.7905				Fourth
Bulgaria	38	0.38	168	0.6462	147	0.7989	1.6351				Fourth
Romania 1	28	0.28	151	0.8728	163	0.6151	1.6279				Fourth
Thailand	21.5	0.215	143	0.8266	101	0.5153	1.4494				H.M.
Georgia	6	0.06	111	0.5092	100	0.3774	0.9166				H.M.

BEST IN A CATEGORY

Best Solution	Andrei Barbu	France 1	Problem 2. A Graph Coloring Game
Best Reporter	Vlada Petrusenko	Ukraine
Best Opponent	Nikola Sekulov	Bulgaria
Best Reviewer	Bianca-Maria Boeriu	Romania 2
Best Quiz	Team Poland

SPECIAL DISTINCTION

Awarded by the Jury

Team Poland

Team Urkaine

SPECIAL PRIZE

Full tuition for participation in the summer school in Mathematics and Computer Science - Tech Scouts (Barcelona, July 2020)

Awarded by Harbour.Space University

Ekaterina Dul (Belarus 1)

Maryna Horbach (Belarus 2)

Laura Galindo (France 1)

Eloi Finas (France 2)

Samuel Bamrungbhuet (Germany 1)

Jan Reckermann (Germany 2)

Gabriel Kiciński (Poland)

Stefan Blajuti (Romania 1)

Radu Vaida (Romania 2)

Innokentii Meleshchenko (Russia 1)

Oleksii Masalitin (Ukraine)

QUIZ

	1	2	3	4	5	6	7	8	9	10	Sum
Poland	10	9.5	9.5	10	4.5	8.5	7	2	10	2	73
Belarus 1	8	6	7.5	10	3.5	3.5	5	5.5	8.5	3	60.5
Ukraine	5	10	6	10	4	8.5	5.5	6	x	3	58
France 1	4	7	4.5	3	4	9.5	5.5	0.5	9	7	54
Germany 1	4	10	6	10	4	6.5	4	x	2	5	51.5
France 2	7	3.5	7	9	1	5	5	x	4.5	3	45
Belarus 2	4	10	2	9	4	5	x	6	3	x	43
Russia 2	7	x	10	10	2.5	x	5	1	4	1	40.5
Bulgaria	7	9	8	8	2	x	0.5	2.5	1	x	38
Russia 1	2	9	2.5	5	2	2	1.5	1	7	4.5	36.5
Germany 2	4	3.5	5	2	2	4.5	0.5	2	4	2	29.5
Romania 1	2	9	4.5	7	x	2	2	x	1.5	x	28
Romania 2	2	3	4	7	x	3	2	x	1	2	24
Thailand	4	2	3	6	0	2	3	x	1.5	0	21.5
Georgia	x	1.5	1.5	0	0	x	x	x	1	2	6

FINALS

GRAND	Stage 1	Stage 2	Stage 3
FINAL	Problem 9	Problem 7	Problem 10
	Maximal Orders of Residues	Graphs of Finite Groups	Optical Illusions
POLAND	Rep	Rev	Opp
FRANCE 1	Opp	Rep	Rev
BELARUS 1	Rev	Opp	Rep

JURY:

Prof.	Veselin	Gushev	University of Sofia	Bulgaria	Chair
Prof.	Marcel	Roman	Gheorghe Asachi Technical University of Iasi	Romania
Dr.	Maxim	Vaskouski	Belarusian State University	Belarus
Mr.	Ilya	Alekseev	St Petersburg State University	Russia
Mr.	Victor	Vermès	École polytechnique	France
Prof.	Ilya	Chistyakov	Laboratory for Continuous Mathematical Education	Russia
Mr.	Cătălin-Mihai	Ciupală	National College "Andrei Saguna" Brasov	Romania	TL2

SMALL	Stage 1	Stage 2	Stage 3
FINAL 1	Problem 4	Problem 3	Problem 2
	Inequalities with a Shift	Derivatives of Rational Numbers	A Graph Coloring Game
GERMANY 1	Rep	Rev	Opp
FRANCE 2	Opp	Rep	Rev
BELARUS 2	Rev	Opp	Rep

JURY:

Prof.	Martin	Andler	Université Versailles Saint Quentin	France	Chair
Prof.	Alexander	Florinskiy	St Petersburg State University	Russia
Prof.	Barys	Zadvorny	Belarusian State University	Belarus
Mr.	Ivo	Dilov	University of Sofia	Bulgaria
Mr.	Miroslav	Marinov	University of Oxford	UK
Mr.	Serhii	Slobodianiuk	Programmer	Ukraine	TL
Mr.	Andrei	Potemkin	Laboratory for Continuous Mathematical Education	Russia

SMALL	Stage 1	Stage 2	Stage 3	Stage 4
FINAL 2	Problem 7	Problem 10	Problem 6	Problem 8
	Graphs of Finite Groups	Optical Illusions	Operation Tables	Embeddings of Connected Graphs
RUSSIA 1	Rep	Obs	Rev	Opp
GERMANY 2	Opp	Rep	Obs	Rev
ROMANIA 2	Rev	Opp	Rep	Obs
UKRAINE	Obs	Rev	Opp	Rep

JURY:

Mr.	Matthieu	Lequesne	Inria Paris	France	Chair
Prof.	Marius	Aperti	„Alexandru Ioan Cuza” University	Romania
Dr.	Maksim	Zhykhovich	Ludwig Maximilian University	Germany
Dr.	Benoît	Loisel	ENS Lyon	France
Mr.	Nikita	Bashaev	Moscow State University	Russia	TL2
Mr.	Stanislav	Dimitrov	University of Sofia	Bulgaria
Mr.	Kanes	Sumetpipat	Kamnoetvidya Science Academy	Thailand	TL
Ms.	Velina	Ivanova	University of Sofia	Bulgaria	TL

************************************************************************************************

ROUND 2

ROUND 2	Stage 1	Stage 2	Stage 3	Stage 4
GROUP A	Problem 10	Problem 4	Problem 5	Problem 2
	Optical Illusions	Inequalities with a Shift	Dense Sets of Fractions	A Graph Coloring Game
RUSSIA 1	Rep	Obs	Rev	Opp
BELARUS 2	Opp	Rep	Obs	Rev
BELARUS 1	Rev	Opp	Rep	Obs
BULGARIA	Obs	Rev	Opp	Rep

JURY:

Group A
Prof.	Veselin	Gushev	University of Sofia	Bulgaria	Chair
Prof.	Alexander	Florinskiy	St Petersburg State University	Russia
Mr.	Matthieu	Lequesne	Sorbonne University	France
Dr.	Maksim	Zhykhovich	Ludwig Maximilian University	Germany
Mr.	David	Ploss	Graduate student	Germany	TL2
Mr.	Kanes	Sumetpipat	Kamnoetvidya Science Academy	Thailand	TL

ROUND 2	Stage 1	Stage 2	Stage 3	Stage 4
GROUP B	Problem 4	Problem 3	Problem 2	Problem 10
	Inequalities with a Shift	Derivatives of Rational Numbers	A Graph Coloring Game	Optical Illusions
GEORGIA	Rep	Obs	Rev	Opp
ROMANIA 1	Opp	Rep	Obs	Rev
FRANCE 1	Rev	Opp	Rep	Obs
UKRAINE	Obs	Rev	Opp	Rep

JURY:

Group B
Prof.	Martin	Andler	Université Versailles Saint Quentin	France	Chair
Mr.	Ivo	Dilov	University of Sofia	Bulgaria
Mr.	Miroslav	Marinov	University of Oxford	UK
Mr.	Victor	Vermès	École polytechnique	France
Mr.	Nikolay	Sheshko	Jagiellonian University	Poland	TL
Mr.	Denis	Artyushin	Steklov Mathematical Institute	Russia	TL1
Mr.	Cătălin-Mihai	Ciupală	National College "Andrei Saguna" Brasov	Romania	TL2

ROUND 2	Stage 1	Stage 2	Stage 3	Stage 4
GROUP C	Problem 10	Problem 4	Problem 6	Problem 1
	Optical Illusions	Inequalities with a Shift	Operation Tables	A Divisibility Problem
ROMANIA 2	Rep	Obs	Rev	Opp
POLAND	Opp	Rep	Obs	Rev
THAILAND	Rev	Opp	Rep	Obs
RUSSIA 2	Obs	Rev	Opp	Rep

JURY:

Group C
Prof.	Marcel	Roman	Gheorghe Asachi Technical University of Iasi	Romania	Chair
Mr.	Stanislav	Dimitrov	University of Sofia	Bulgaria
Dr.	Benoît	Loisel	ENS Lyon	France
Mr.	Serhii	Slobodianiuk	Programmer	Ukraine	TL
Mr.	Anton	Varonka	Belarusian State University	Belarus	TL1
Mr.	Marcus	Hanzig	High school teacher	Germany	TL1

ROUND 2	Stage 1	Stage 2	Stage 3
GROUP D	Problem 9	Problem 10	Problem 5
	Maximal Orders of Residues	Optical Illusions	Dense Sets of Fractions
GERMANY 2	Rep	Rev	Opp
GERMANY 1	Opp	Rep	Rev
FRANCE 2	Rev	Opp	Rep

JURY:

Group D
Dr.	Maxim	Vaskouski	Belarusian State University	Belarus	Chair
Mr.	Ilia	Alekseev	St Petersburg State University	Russia
Mr.	Simon	Machado	Cambridge University	UK
Prof.	Vladimir	Dubrovskiy	Moscow State University	Russia	TL2
Mr.	Viachaslau	Murashka	Francisk Skorina Gomel State University	Belarus	TL2
Ms.	Velina	Ivanova	University of Sofia	Bulgaria	TL

************************************************************************************************

ROUND 1

ROUND 1	Stage 1	Stage 2	Stage 3
GROUP A	Problem 7	Problem 4	Problem 5
	Graphs of Finite Groups	Inequalities with a Shift	Dense Sets of Fractions
BELARUS 1	Rep	Rev	Opp
RUSSIA 2	Opp	Rep	Rev
UKRAINE	Rev	Opp	Rep

JURY:

Prof.	Martin	Andler	Université Versailles Saint Quentin	France	Chair
Prof.	Alexander	Florinskiy	St Petersburg State University	Russia
Dr.	Maksim	Zhykhovich	Ludwig Maximilian University	Germany
Mr.	Vakhtang	Chumburidze	AIA-GESS Gymnasium	Georgia	TL
Ms.	Velina	Ivanova	Sofia High School of Mathematics	Bulgaria	TL
Mr.	Guillaume	Saes	University Paris 11 and UPEC	France	TL1

ROUND 1	Stage 1	Stage 2	Stage 3	Stage 4
GROUP B	Problem 3	Problem 7	Problem 10	Problem 5
	Derivatives of Rational Numbers	Graphs of Finite Groups	Optical Illusions	Dense Sets of Fractions
BULGARIA	Rep	Obs	Rev	Opp
GERMANY 1	Opp	Rep	Obs	Rev
POLAND	Rev	Opp	Rep	Obs
FRANCE 1	Obs	Rev	Opp	Rep

JURY:

Prof.	Marcel	Roman	Gheorghe Asachi Technical University of Iasi	Romania	Chair
Mr.	Ilia	Alekseev	St Petersburg State University	Russia
Mr.	Matthieu	Lequesne	Sorbonne University	France
Mr.	Ivo	Dilov	University of Sofia	Bulgaria
Mr.	Viachaslau	Murashka	Francisk Skorina Gomel State University	Belarus	TL2
Mr.	Taras	Tymoshkevych	Ukrainian Hydrometeorological Institute	Ukraine	TL
Mr.	David	Ploss	Graduate student	Germany	TL2

ROUND 1	Stage 1	Stage 2	Stage 3	Stage 4
GROUP C	Problem 10	Problem 4	Problem 3	Problem 5
	Optical Illusions	Inequalities with a Shift	Derivatives of Rational Numbers	Dense Sets of Fractions
GEORGIA	Rep	Obs	Rev	Opp
FRANCE 2	Opp	Rep	Obs	Rev
ROMANIA 2	Rev	Opp	Rep	Obs
BELARUS 2	Obs	Rev	Opp	Rep

JURY:

Prof.	Veselin	Gushev	University of Sofia	Bulgaria	Chair
Mr.	Miroslav	Marinov	University of Oxford	UK
Dr.	Benoît	Loisel	ENS Lyon	France
Prof.	Ilya	Chistyakov	Laboratory for Continuous Mathematical Education	Russia
Mr.	Nikolay	Sheshko	Jagiellonian University	Poland	TL
Mr.	Denis	Artyushin	Steklov Mathematical Institute	Russia	TL1
Mr.	Kanes	Sumetpipat	Kamnoetvidya Science Academy	Thailand	TL

ROUND 1	Stage 1	Stage 2	Stage 3	Stage 4
GROUP D	Problem 4	Problem 7	Problem 9	Problem 3
	Inequalities with a Shift	Graphs of Finite Groups	Maximal Orders of Residues	Derivatives of Rational Numbers
ROMANIA 1	Rep	Obs	Rev	Opp
THAILAND	Opp	Rep	Obs	Rev
RUSSIA 1	Rev	Opp	Rep	Obs
GERMANY 2	Obs	Rev	Opp	Rep

JURY:

Dr.	Maxim	Vaskouski	Belarusian State University	Belarus	Chair
Mr.	Victor	Vermès	École polytechnique	France
Mr.	Stanislav	Dimitrov	University of Sofia	Bulgaria
Mr.	Simon	Machado	Cambridge University	UK
Prof.	Vladimir	Dubrovskiy	Moscow State University	Russia	TL2
Mr.	Marcus	Hanzig	High school teacher	Germany	TL1
Mr.	Yaraslau	Zadvorny	Belarusian State University	Belarus	TL1

ITYM 2019

ITYM 2018

ITYM 2017

ITYM 2016

ITYM 2015

ITYM 2014

ITYM 2013

ITYM 2012

ITYM 2011

ITYM 2010

ITYM 2009

RESULTS & WM