Olympiad achievements

This is not a complete list, and it is probably out of date.

• B: bronze medal

• S: silver medal

• G: gold medal

• HM: honourable mention

• SF: semi-finalist

• bold: member of a team

• (N): position amongst individuals in a team contest

Maths and science olympiads

Olympiad	1992	1993	1994	1995	1996	1997	1998	1999	2000
International Maths Olympiad					—	G	S	S	B
South African Maths Olympiad				Top 10	Top 10	Top 10	1	1	1
UCT Maths Olympiad 1	Top 10	Top 10	Top 10	Top 10	1	1	1	1	2
Asian Pacific Maths Olympiad					HM	B	G	B
Canadian Invitation Maths Olympiad				2	3
University of Pretoria Maths Olympiad					1	2	2	2	1
National Youth Science Olympiad								12	6

1

In grades 8–12 (1992–1996), then open section (1997–2000)

2

Joint first in South Africa, Grade 10 section

3

First in South Africa, Grade 11 section

Computer olympiads

Olympiad	1995	1996	1997	1998	1999	2000	2001
International Olympiad in Informatics		B	B	B	S	G	G
South African Computer Olympiad	2	1	1	2	1	1
USA Computer Olympiad (intl)					2	1 4

4

Joint first

Olympiad	2002	2003	2004	2005	2006	2007	2008
ACM ICPC 5	13	15
Google Code Jam					14		3
Topcoder Collegiate Challenge					8	SF
Topcoder Open						7	SF
IPSC	9	39	7(1)		21	7	9

5

Winners of the Africa and the Middle East region in each case

Olympiad	2009	2010	2011	2012	2013	2014	2015
Google Code Jam	10	21	122	6	41	102	3
Google Distributed Code Jam							1
Topcoder Open		5	2			5	4
24-hour Challenge	2	5	3	2	16	12	Top 30
IPSC	16 (3)	33 (6)	62	24 (2)		19	79 (3)

Olympiad	2016	2017	2018	2019	2020	2021	2022	2023
Hacker Cup	23	91	31	28	150	70
Google Code Jam	51	47	62	7	158	11	54	6
Google Distributed Code Jam	1	12	35
Topcoder Open	4
24-hour Challenge	Top 30
IPSC		2

• Won the Junior School computer Olympiad (Pascal section, 1992)