Twitch Solves IMO Shortlist
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In early 2020 I created a Twitch stream that I stream on some (but not all) weeks. The series is informally titled Twitch Solves ISL (here ISL is IMO Shortlists).
Content includes:
- Working on IMO shortlist or other contest problems with other viewers.
- Twitch chat asking questions about various things
- Games: metal league StarCraft, AoPS FTW!, Baba Is You, etc. I have a preference for somewhat difficult puzzle games.
I also upload past broadcasts to YouTube. A Discord server also exists centered around the stream.
Twitch schedule#
You can find a schedule for the stream, also below. Friday night at 8pm Eastern is the usual time.
Streaming setup#
Software used on the stream includes:
- Streamed by Open Broadcaster Software
- LaTeX typeset with TeX Live and Beamer, viewed in Zathura
- White board via Miro
- Geometry diagrams using GeoGebra Classic 5
- Music by Pretzel Rocks
- Stream overlays from StreamLabs
- Firefox as web browser
- Nightbot for !commands
Hardware in Boston HQ:
- Gaming headset: Xiberia V22
- Mechanical keyboard: Havit HV-KB395L
- Mouse: Inateck MS 1001
- Gaming PC: MSI Codex XE Plus MSCXEP9SC292
- Monitors (x3): BenQ 24” IPS GW2480 + ASUS VE278Q 27” + Sceptre 32” QHD (E325W-2560AD)
Here is a picture of my physical setup (click to enlarge).

Archive of past problems#
Here’s an archive of the problems solved on stream.
To submit a problem: Problem requests are processed for 256 channel points each; points are earned by watching the live stream. Requests must be submitted at the start of the stream, 8pm Eastern time every Friday. Then the viewers vote on which requests to take (with points refunded if your request is not processed). Because of large demand, I do not take advance requests.
Episode | Problem | TeX | YouTube | |
---|---|---|---|---|
Ep. 116 | IMO 1997/1 | (pdf) | (tex) | (youtube) |
Ep. 116 | IMO 1997/3 | (pdf) | (tex) | (youtube) |
Ep. 114 | IntBee 2023/S7 | (pdf) | (tex) | (youtube) |
Ep. 114 | Stamp Stamp | (youtube) | ||
Ep. 113 | AMC 8 2023/17 | (youtube) | ||
Ep. 113 | CodeForces 1667C | (pdf) | (tex) | (youtube) |
Ep. 113 | Florida 2023 | (pdf) | (tex) | (youtube) |
Ep. 113 | GaussMO 2022/3 | (pdf) | (tex) | (youtube) |
Ep. 113 | Twitch 113.2 | (pdf) | (tex) | (youtube) |
Ep. 112 | ELMO Revenge 2022/1 | (pdf) | (tex) | (youtube) |
Ep. 112 | INMO 2023/2 | (pdf) | (tex) | (youtube) |
Ep. 112 | INMO 2023/6 | (pdf) | (tex) | (youtube) |
Ep. 111 | AtCoder ARC 139E | (pdf) | (tex) | (youtube) |
Ep. 111 | ELMO Revenge 2022/2 | (pdf) | (tex) | (youtube) |
Ep. 111 | USAMTS 4/2/34 | (pdf) | (tex) | (youtube) |
Ep. 111 | USAMTS 4/3/34 | (pdf) | (tex) | (youtube) |
Ep. 110 | China 2023/5 | (pdf) | (tex) | (youtube) |
Ep. 110 | Clock | (pdf) | (tex) | (youtube) |
Ep. 110 | CodeForces 1698F | (pdf) | (tex) | (youtube) |
Ep. 109 | All-Lincoln 2022/6 | (pdf) | (tex) | (youtube) |
Ep. 109 | Iberoamerican 2019/2 | (pdf) | (tex) | (youtube) |
Ep. 109 | Iberoamerican 2019/5 | (pdf) | (tex) | (youtube) |
Ep. 108 | Brazil 2022/6 | (pdf) | (tex) | (youtube) |
Ep. 108 | Math Prize 2022/2 | (pdf) | (tex) | (youtube) |
Ep. 108 | PAGMO 2022/1 | (pdf) | (tex) | (youtube) |
Ep. 108 | Putnam 2022 B4 | (pdf) | (tex) | (youtube) |
Ep. 107 | Australia 2020/8 | (pdf) | (tex) | (youtube) |
Ep. 107 | Brazil 2022/6 | (pdf) | (tex) | (youtube) |
Ep. 107 | DEMO Mock 2022/1 | (pdf) | (tex) | (youtube) |
Ep. 106 | Brazil 2022/2 | (pdf) | (tex) | (youtube) |
Ep. 106 | Kosovo TST 2019/1 | (pdf) | (tex) | (youtube) |
Ep. 106 | Twitch 106.1 | (pdf) | (tex) | (youtube) |
Ep. 106 | Twitch 106.4 | (pdf) | (tex) | (youtube) |
Ep. 104 | Iberoamerican 2022/5 | (pdf) | (tex) | (youtube) |
Ep. 103 | USEMO 2022/4 | (pdf) | (tex) | (youtube) |
Ep. 103 | USEMO 2022/5 | (pdf) | (tex) | (youtube) |
Ep. 103 | USEMO 2022/6 | (pdf) | (tex) | (youtube) |
Ep. 102 | IMO 1998/4 | (pdf) | (tex) | (youtube) |
Ep. 101 | IMO 1997/2 | (pdf) | (tex) | (youtube) |
Ep. 100 | Poland 2019/1/12 | (pdf) | (tex) | (youtube) |
Ep. 99 | IMO 1997/4 | (pdf) | (tex) | (youtube) |
Ep. 99 | IMO 1997/6 | (pdf) | (tex) | |
Ep. 99 | Schweitzer 2020/1 | (pdf) | (tex) | (youtube) |
Ep. 98 | IMO 1999/1 | (pdf) | (tex) | (youtube) |
Ep. 97 | ToT Fall 2012 J-A7 | (pdf) | (tex) | (youtube) |
Ep. 97 | gcd det | (pdf) | (tex) | (youtube) |
Ep. 95 | Sylver coinage | (pdf) | (tex) | |
Ep. 94 | IMO 1998/3 | (pdf) | (tex) | (youtube) |
Ep. 92 | Twitch 092.3 | (pdf) | (tex) | (youtube) |
Ep. 91 | IMO 1999/6 | (pdf) | (tex) | (youtube) |
Ep. 91 | MR J560 | (pdf) | (tex) | (youtube) |
Ep. 91 | Twitch 091.2 | (pdf) | (tex) | (youtube) |
Ep. 90 | USEMO 2021/4 | (pdf) | (tex) | (youtube) |
Ep. 90 | USEMO 2021/5 | (pdf) | (tex) | (youtube) |
Ep. 90 | USEMO 2021/6 | (pdf) | (tex) | (youtube) |
Ep. 89 | USEMO 2021/1 | (pdf) | (tex) | (youtube) |
Ep. 89 | USEMO 2021/2 | (pdf) | (tex) | (youtube) |
Ep. 89 | USEMO 2021/3 | (pdf) | (tex) | (youtube) |
Ep. 88 | IMO 1999/5 | (pdf) | (tex) | (youtube) |
Ep. 87 | Iberoamerican 2021/1 | (pdf) | (tex) | (youtube) |
Ep. 87 | Iberoamerican 2021/2 | (pdf) | (tex) | (youtube) |
Ep. 87 | Iberoamerican 2021/3 | (pdf) | (tex) | (youtube) |
Ep. 87 | Iberoamerican 2021/4 | (pdf) | (tex) | (youtube) |
Ep. 87 | Iberoamerican 2021/5 | (pdf) | (tex) | (youtube) |
Ep. 87 | Ireland 1994/10 | (pdf) | (tex) | (youtube) |
Ep. 86 | China 2018/3 | (pdf) | (tex) | (youtube) |
Ep. 86 | ToT Spring 2010 S-A7 | (pdf) | (tex) | (youtube) |
Ep. 85 | MR U552 | (pdf) | (tex) | (youtube) |
Ep. 84 | USAMO 1996/5 | (pdf) | (tex) | (youtube) |
Ep. 83 | Shortlist 2020 N5 | (pdf) | (tex) | (youtube) |
Ep. 81 | Centroamerican 2021/3 | (pdf) | (tex) | (youtube) |
Ep. 81 | KoMaL A775 | (youtube) | ||
Ep. 81 | Korea 2021/2 | (pdf) | (tex) | (youtube) |
Ep. 81 | USAMO 1996/2 | (pdf) | (tex) | (youtube) |
Ep. 81 | USAMO 1996/3 | (pdf) | (tex) | (youtube) |
Ep. 80 | Shortlist 2020 G7 | (pdf) | (tex) | (youtube) |
Ep. 79 | IMO 2021/5 | (pdf) | (tex) | (youtube) |
Ep. 78 | IMO 2021/4 | (pdf) | (tex) | (youtube) |
Ep. 77 | Shortlist 1999 C6 | (pdf) | (tex) | (youtube) |
Ep. 77 | Shortlist 2007 N1 | (pdf) | (tex) | (youtube) |
Ep. 77 | Shortlist 2013 C4 | (pdf) | (tex) | (youtube) |
Ep. 77 | USAMO 1996/2 | (pdf) | (tex) | (youtube) |
Ep. 76 | Shortlist 2014 A3 | (youtube) | ||
Ep. 76 | ZhiHu 2021 | (youtube) | ||
Ep. 75 | ELMO 2010/3 | (pdf) | (tex) | (youtube) |
Ep. 74 | Brazil 2020/5 | (pdf) | (tex) | (youtube) |
Ep. 74 | ToT Fall 2005 S-A3 | (pdf) | (tex) | (youtube) |
Ep. 74 | USAMO 1997/3 | (pdf) | (tex) | (youtube) |
Ep. 73 | Russia 2010/10.8 | (pdf) | (tex) | (youtube) |
Ep. 72 | Sweden 2018 | (pdf) | (tex) | (youtube) |
Ep. 72 | ToT Fall 2011 S-A7 | (pdf) | (tex) | (youtube) |
Ep. 72 | Twitch 072.1 | (pdf) | (tex) | (youtube) |
Ep. 71 | JBMO SL 2008 A2 | (youtube) | ||
Ep. 71 | JBMO SL 2018 C3 | (pdf) | (tex) | (youtube) |
Ep. 71 | KoMaL N166 | (youtube) | ||
Ep. 71 | Martin Gardner | (pdf) | (tex) | (youtube) |
Ep. 70 | Cono Sur TST | (youtube) | ||
Ep. 70 | Junior Balkan 2013/3 | (pdf) | (tex) | (youtube) |
Ep. 70 | Shortlist 2012 N3 | (pdf) | (tex) | (youtube) |
Ep. 69 | Bulgaria 2018/3 | (pdf) | (tex) | (youtube) |
Ep. 68 | Germany 2017/5 | (pdf) | (tex) | (youtube) |
Ep. 68 | Shortlist 1998 N1 | (pdf) | (tex) | (youtube) |
Ep. 68 | Shortlist 2012 N1 | (pdf) | (tex) | (youtube) |
Ep. 68 | USAMO 1996/1 | (pdf) | (tex) | (youtube) |
Ep. 67 | Italy TST 2006/5 | (pdf) | (tex) | (youtube) |
Ep. 67 | ToT Spring 1999 S-A1 | (pdf) | (tex) | (youtube) |
Ep. 67 | Twitch 067.1 | (pdf) | (tex) | (youtube) |
Ep. 67 | Vietnam 2014 Training | (pdf) | (tex) | (youtube) |
Ep. 66 | CAMO 2021/3 | (pdf) | (tex) | (youtube) |
Ep. 66 | Putnam 1979 B6 | (pdf) | (tex) | (youtube) |
Ep. 65 | Canada 2021/4 | (pdf) | (tex) | (youtube) |
Ep. 65 | JMO 2021/1 | (pdf) | (tex) | (youtube) |
Ep. 65 | JMO 2021/3 | (pdf) | (tex) | (youtube) |
Ep. 65 | JMO 2021/4 | (pdf) | (tex) | (youtube) |
Ep. 65 | Rectangle projection | (youtube) | ||
Ep. 65 | USAMO 2021/1 | (pdf) | (tex) | (youtube) |
Ep. 65 | USAMO 2021/2 | (pdf) | (tex) | (youtube) |
Ep. 65 | USAMO 2021/3 | (pdf) | (tex) | (youtube) |
Ep. 65 | USAMO 2021/4 | (pdf) | (tex) | (youtube) |
Ep. 65 | USAMO 2021/5 | (pdf) | (tex) | (youtube) |
Ep. 65 | USAMO 2021/6 | (pdf) | (tex) | (youtube) |
Ep. 64 | Fary theorem | (pdf) | (tex) | |
Ep. 64 | Shortlist 2014 A2 | (pdf) | (tex) | (youtube) |
Ep. 64 | ToT Fall 2015 S-A7 | (pdf) | (tex) | (youtube) |
Ep. 64 | USAMO 1997/4 | (pdf) | (tex) | (youtube) |
Ep. 62 | CAMO 2021/2 | (pdf) | (tex) | (youtube) |
Ep. 62 | Putnam 1972 B6 | (pdf) | (tex) | (youtube) |
Ep. 62 | Sharygin 2019/23 | (pdf) | (tex) | (youtube) |
Ep. 62 | Shortlist 2004 C2 | (pdf) | (tex) | (youtube) |
Ep. 60 | CAMO 2021/6 | (pdf) | (tex) | (youtube) |
Ep. 60 | China TST 2021/1/3 | (pdf) | (tex) | (youtube) |
Ep. 59 | ELMO 2010/2 | (pdf) | (tex) | (youtube) |
Ep. 59 | Shortlist 1998 N8 | (pdf) | (tex) | (youtube) |
Ep. 59 | Twitch 059.1 | (pdf) | (tex) | (youtube) |
Ep. 58 | CHMMC 2021/6 | (pdf) | (tex) | (youtube) |
Ep. 58 | Putnam 2020 B6 | (pdf) | (tex) | (youtube) |
Ep. 58 | Shortlist 2000 N6 | (pdf) | (tex) | (youtube) |
Ep. 57 | Besant 1895 | (pdf) | (tex) | (youtube) |
Ep. 57 | Brazil 2013/2 | (pdf) | (tex) | (youtube) |
Ep. 56 | USA TST 2021/1 | (pdf) | (tex) | (youtube) |
Ep. 56 | USA TST 2021/2 | (pdf) | (tex) | (youtube) |
Ep. 56 | USA TST 2021/3 | (pdf) | (tex) | (youtube) |
Ep. 55 | Iberoamerican 2003/6 | (pdf) | (tex) | (youtube) |
Ep. 55 | Mexico 2020/3 | (pdf) | (tex) | (youtube) |
Ep. 54 | Brazil 2015/3 | (pdf) | (tex) | (youtube) |
Ep. 54 | ToT Fall 2012 S-A7 | (youtube) | ||
Ep. 53 | AMC 10B 2021/24 | (youtube) | ||
Ep. 53 | ToT Fall 2015 S-A7 | (pdf) | (tex) | (youtube) |
Ep. 52 | AMC 12A 2021/24 | (pdf) | (tex) | (youtube) |
Ep. 52 | IGO 2020/A4 | (pdf) | (tex) | (youtube) |
Ep. 51 | ELMO 2013/6 | (pdf) | (tex) | (youtube) |
Ep. 51 | Iberoamerican 2020/6 | (pdf) | (tex) | |
Ep. 50 | TSTST 2020/7 | (pdf) | (tex) | (youtube) |
Ep. 50 | TSTST 2020/8 | (pdf) | (tex) | (youtube) |
Ep. 50 | TSTST 2020/9 | (pdf) | (tex) | (youtube) |
Ep. 50 | USAMO 1997/1 | (pdf) | (tex) | (youtube) |
Ep. 50 | USAMO 1997/6 | (pdf) | (tex) | (youtube) |
Ep. 49 | HMIC 2015/5 | (pdf) | (tex) | (youtube) |
Ep. 49 | Iberoamerican 2020/2 | (pdf) | (tex) | (youtube) |
Ep. 49 | USAMO 1998/1 | (pdf) | (tex) | (youtube) |
Ep. 48 | CMIMC 2017 G9 | (pdf) | (tex) | (youtube) |
Ep. 48 | IMO 1997/5 | (pdf) | (tex) | (youtube) |
Ep. 48 | MR J489 | (pdf) | (tex) | (youtube) |
Ep. 47 | CAMO 2020/5 | (pdf) | (tex) | (youtube) |
Ep. 47 | PUMaC 2015 C8 | (pdf) | (tex) | (youtube) |
Ep. 47 | Shortlist 1990/17 | (pdf) | (tex) | (youtube) |
Ep. 47 | Twitch 047.2 | (pdf) | (tex) | (youtube) |
Ep. 47 | USAMO 1998/6 | (pdf) | (tex) | (youtube) |
Ep. 45 | IMO 1993/6 | (pdf) | (tex) | (youtube) |
Ep. 45 | IMO 1998/1 | (pdf) | (tex) | (youtube) |
Ep. 45 | RSL 2018 N1 | (pdf) | (tex) | (youtube) |
Ep. 44 | TSTST 2020/4 | (pdf) | (tex) | (youtube) |
Ep. 44 | TSTST 2020/5 | (pdf) | (tex) | (youtube) |
Ep. 44 | TSTST 2020/6 | (pdf) | (tex) | (youtube) |
Ep. 43 | DeuX MO 2020/I/2 | (pdf) | (tex) | (youtube) |
Ep. 43 | Russia 2011/9.8 | (pdf) | (tex) | (youtube) |
Ep. 42 | Cono Sur 2020/6 | (pdf) | (tex) | (youtube) |
Ep. 42 | Shortlist 2008 N4 | (pdf) | (tex) | (youtube) |
Ep. 42 | TSTST 2011/2 | (pdf) | (tex) | (youtube) |
Ep. 41 | TSTST 2013/9 | (pdf) | (tex) | (youtube) |
Ep. 41 | USAMO 1998/4 | (pdf) | (tex) | (youtube) |
Ep. 41 | USAMO 1999/1 | (pdf) | (tex) | (youtube) |
Ep. 40 | TSTST 2013/4 | (pdf) | (tex) | (youtube) |
Ep. 40 | USAMO 1998/3 | (pdf) | (tex) | (youtube) |
Ep. 39 | TSTST 2020/1 | (pdf) | (tex) | (youtube) |
Ep. 39 | TSTST 2020/2 | (pdf) | (tex) | (youtube) |
Ep. 39 | TSTST 2020/3 | (pdf) | (tex) | (youtube) |
Ep. 38 | RMM 2016/5 | (pdf) | (tex) | (youtube) |
Ep. 38 | Shortlist 1995 N8 | (pdf) | (tex) | (youtube) |
Ep. 37 | IMO 1982/1 | (pdf) | (tex) | (youtube) |
Ep. 37 | Shortlist 2003 N8 | (pdf) | (tex) | (youtube) |
Ep. 37 | Twitch 037.3 | (pdf) | (tex) | (youtube) |
Ep. 37 | USAMO 1999/3 | (pdf) | (tex) | (youtube) |
Ep. 36 | COMC 2020/C4 | (pdf) | (tex) | (youtube) |
Ep. 36 | JMO 2012/5 | (pdf) | (tex) | (youtube) |
Ep. 36 | JMO 2013/4 | (pdf) | (tex) | (youtube) |
Ep. 36 | Twitch 036.1 | (pdf) | (tex) | (youtube) |
Ep. 35 | USEMO 2020/4 | (pdf) | (tex) | (youtube) |
Ep. 35 | USEMO 2020/5 | (pdf) | (tex) | (youtube) |
Ep. 35 | USEMO 2020/6 | (pdf) | (tex) | (youtube) |
Ep. 34 | USEMO 2020/1 | (pdf) | (tex) | (youtube) |
Ep. 34 | USEMO 2020/2 | (pdf) | (tex) | (youtube) |
Ep. 34 | USEMO 2020/3 | (pdf) | (tex) | (youtube) |
Ep. 33 | APMO 2009/1 | (pdf) | (tex) | (youtube) |
Ep. 33 | CAMO 2020/6 | (pdf) | (tex) | (youtube) |
Ep. 33 | Russia 2005/9.2 | (pdf) | (tex) | (youtube) |
Ep. 33 | Twitch 033.1 | (pdf) | (tex) | (youtube) |
Ep. 33 | Twitch 033.4 | (pdf) | (tex) | (youtube) |
Ep. 32 | Cono Sur 2011/6 | (pdf) | (tex) | (youtube) |
Ep. 32 | ToT Fall 1999 J-A6 | (pdf) | (tex) | (youtube) |
Ep. 32 | Twitch 032.3 | (pdf) | (tex) | (youtube) |
Ep. 31 | BAMO 2003/5 | (pdf) | (tex) | (youtube) |
Ep. 31 | Brazil 2007/2 | (pdf) | (tex) | (youtube) |
Ep. 31 | Twitch 031.1 | (pdf) | (tex) | (youtube) |
Ep. 30 | IMO 2020/1 | (pdf) | (tex) | (youtube) |
Ep. 30 | IMO 2020/2 | (pdf) | (tex) | (youtube) |
Ep. 30 | IMO 2020/3 | (pdf) | (tex) | (youtube) |
Ep. 30 | IMO 2020/4 | (pdf) | (tex) | (youtube) |
Ep. 30 | IMO 2020/5 | (pdf) | (tex) | (youtube) |
Ep. 30 | IMO 2020/6 | (pdf) | (tex) | (youtube) |
Ep. 29 | China TST 2019/4/1 | (pdf) | (tex) | (youtube) |
Ep. 29 | IMO 1999/4 | (pdf) | (tex) | (youtube) |
Ep. 29 | SMO 2020/3 | (pdf) | (tex) | (youtube) |
Ep. 28 | CAMO 2019/2 | (pdf) | (tex) | (youtube) |
Ep. 28 | IMO 1981/3 | (pdf) | (tex) | (youtube) |
Ep. 28 | KoMaL A774 | (pdf) | (tex) | (youtube) |
Ep. 28 | SJMO 2020/3 | (pdf) | (tex) | (youtube) |
Ep. 28 | SMO 2020/1 | (pdf) | (tex) | (youtube) |
Ep. 27 | China TST 2012/1/2 | (pdf) | (tex) | (youtube) |
Ep. 27 | IMO 1990/6 | (pdf) | (tex) | (youtube) |
Ep. 27 | SMO 2020/4 | (pdf) | (tex) | (youtube) |
Ep. 27 | SMO 2020/5 | (pdf) | (tex) | (youtube) |
Ep. 26 | Brazil 2017/6 | (pdf) | (tex) | (youtube) |
Ep. 26 | CNCM7 | (youtube) | ||
Ep. 26 | SJMO 2020/2 | (pdf) | (tex) | (youtube) |
Ep. 25 | Iran TST 2019/15 | (pdf) | (tex) | (youtube) |
Ep. 25 | MODS 2019/2 | (pdf) | (tex) | (youtube) |
Ep. 25 | SIME 2020/13 | (pdf) | (tex) | (youtube) |
Ep. 24 | IMO 1988/3 | (pdf) | (tex) | (youtube) |
Ep. 24 | Putnam 2019 A5 | (pdf) | (tex) | (youtube) |
Ep. 24 | Shortlist 2009 C6 | (pdf) | (tex) | (youtube) |
Ep. 24 | Singapore 2019/5 | (pdf) | (tex) | (youtube) |
Ep. 23 | Iran 2010/2/6 | (pdf) | (tex) | (youtube) |
Ep. 23 | SIME 2020/14 | (pdf) | (tex) | (youtube) |
Ep. 23 | Shortlist 2009 C4 | (pdf) | (tex) | (youtube) |
Ep. 22 | Croatia TST 2016/2/2 | (pdf) | (tex) | (youtube) |
Ep. 22 | SIME 2020/15 | (pdf) | (tex) | (youtube) |
Ep. 22 | Shortlist 1990/13 | (pdf) | (tex) | (youtube) |
Ep. 21 | IMO 1979/3 | (pdf) | (tex) | (youtube) |
Ep. 21 | Mexico 2019/6 | (pdf) | (tex) | (youtube) |
Ep. 21 | Shortlist 1996 C6 | (pdf) | (tex) | (youtube) |
Ep. 20 | Singapore 2017/J2/2 | (pdf) | (tex) | |
Ep. 19 | KJMO 2012/1 | (pdf) | (tex) | (youtube) |
Ep. 19 | Romania JBMO TST 2019/3.1 | (pdf) | (tex) | (youtube) |
Ep. 18 | Shortlist 2002 C7 | (pdf) | (tex) | (youtube) |
Ep. 17 | Shortlist 1981/11 | (youtube) | ||
Ep. 17 | Shortlist 2004 G6 | (pdf) | (tex) | (youtube) |
Ep. 16 | JMO 2020/1 | (pdf) | (tex) | (youtube) |
Ep. 16 | JMO 2020/2 | (pdf) | (tex) | (youtube) |
Ep. 16 | JMO 2020/4 | (pdf) | (tex) | (youtube) |
Ep. 16 | JMO 2020/6 | (pdf) | (tex) | (youtube) |
Ep. 16 | USAMO 2020/1 | (pdf) | (tex) | (youtube) |
Ep. 16 | USAMO 2020/2 | (pdf) | (tex) | (youtube) |
Ep. 16 | USAMO 2020/3 | (pdf) | (tex) | (youtube) |
Ep. 16 | USAMO 2020/4 | (pdf) | (tex) | (youtube) |
Ep. 16 | USAMO 2020/5 | (pdf) | (tex) | (youtube) |
Ep. 16 | USAMO 2020/6 | (pdf) | (tex) | (youtube) |
Ep. 15 | Shortlist 2006 C6 | (pdf) | (tex) | (youtube) |
Ep. 14 | AMC 12B 2020/12 | (youtube) | ||
Ep. 14 | Iran TST 2018/9 | (pdf) | (tex) | (youtube) |
Ep. 13 | IMO 1993/3 | (pdf) | (tex) | (youtube) |
Ep. 13 | Iberoamerican 2001 | (pdf) | (tex) | (youtube) |
Ep. 13 | Shortlist 2007 N5 | (pdf) | (tex) | (youtube) |
Ep. 13 | Taiwan TST 2019/2J/2 | (pdf) | (tex) | (youtube) |
Ep. 13 | Twitch 013.1 | (pdf) | (tex) | (youtube) |
Ep. 12 | EGMO 2012/4 | (pdf) | (tex) | |
Ep. 12 | India TST 2019/2 | (pdf) | (tex) | |
Ep. 12 | Japan 2019/4 | (pdf) | (tex) | (youtube) |
Ep. 11 | USEMO 2019/4 | (pdf) | (tex) | (youtube) |
Ep. 11 | USEMO 2019/5 | (pdf) | (tex) | (youtube) |
Ep. 11 | USEMO 2019/6 | (pdf) | (tex) | (youtube) |
Ep. 10 | USEMO 2019/1 | (pdf) | (tex) | (youtube) |
Ep. 10 | USEMO 2019/2 | (pdf) | (tex) | (youtube) |
Ep. 10 | USEMO 2019/3 | (pdf) | (tex) | (youtube) |
Ep. 9 | Shortlist 2004 C5 | (pdf) | (tex) | |
Ep. 9 | Shortlist 2012 A2 | (pdf) | (tex) | (youtube) |
Ep. 8 | Shortlist 2008 C5 | (pdf) | (tex) | (youtube) |
Ep. 8 | Shortlist 2008 G6 | (pdf) | (tex) | (youtube) |
Ep. 8 | Shortlist 2009 A1 | (pdf) | (tex) | |
Ep. 7 | Shortlist 2004 A2 | (pdf) | (tex) | (youtube) |
Ep. 7 | Shortlist 2004 C3 | (pdf) | (tex) | (youtube) |
Ep. 7 | Shortlist 2004 G3 | (pdf) | (tex) | (youtube) |
Ep. 7 | Shortlist 2004 N2 | (pdf) | (tex) | |
Ep. 6 | Shortlist 2005 C1 | (pdf) | (tex) | (youtube) |
Ep. 6 | Shortlist 2006 A5 | (pdf) | (tex) | (youtube) |
Ep. 6 | Shortlist 2012 G3 | (pdf) | (tex) | (youtube) |
Ep. 6 | Twitch 006.1 | (pdf) | (tex) | |
Ep. 5 | Shortlist 2004 N1 | (pdf) | (tex) | (youtube) |
Ep. 5 | Shortlist 2006 G2 | (pdf) | (tex) | (youtube) |
Ep. 5 | Shortlist 2013 A2 | (pdf) | (tex) | |
Ep. 4 | Shortlist 2006 A2 | (pdf) | (tex) | |
Ep. 4 | Shortlist 2007 G8 | (pdf) | (tex) | (youtube) |
Ep. 3 | Shortlist 2005 G3 | (pdf) | (tex) | |
Ep. 3 | Shortlist 2007 N4 | (pdf) | (tex) | (youtube) |
Ep. 2 | Shortlist 2007 C1 | (pdf) | (tex) | |
Ep. 2 | Shortlist 2007 G2 | (pdf) | (tex) | (youtube) |
Ep. 2 | Shortlist 2009 C1 | (pdf) | (tex) | |
Ep. 1 | Shortlist 2008 N2 | (pdf) | (tex) | |
Ep. 1 | Shortlist 2012 C2 | (pdf) | (tex) | |
Ep. 1 | Shortlist 2012 G2 | (pdf) | (tex) |