vEnhance (Evan Chen)
I'm Evan. Got a PhD in math from MIT and now I coach math olympiads. I made a Twitch stream one day because I was bored and I thought it would be funny, and sometimes I still stream.
Lena struggle bus: USAMO 2014/3
Lean struggle bus: USAMO 2003/5
Unboxing Sokobos 2!
EGMO 2025/2: Analysis with CENTRAL SEQUENCES
EGMO 2023/1: min/max warmup
EGMO 2025/4: ULTRA RARE MEAN GEOMETRY
Unboxing Pantheion
2025 AMC 10A any%
2025 AMC 12B any%
Canada 2025/2: Number theory warmup
EGMO 2025/1: Sum of consecutive coprime integers share gcd with N
Harvard-MIT Invitational (HMIC) 2025/5: PERMUTATION WATERFALL
IOL 2014/2: СПРЯЖЕНИЕ МНОЖЕСТВЕННОГО ЧИСЛА КАЙОВА
Slay the Spire: v_Enhance meets the Corrupt Heart for the first time
Harvard--MIT Invitational (HMIC) 2025: ГЕОМЕТРИЯ ПАРАЛЛЕЛОГРАММА
Computing the Smith determinant!
Korea Winter: INT POLY IS BACK
The Farmer Was Replaced: first playthrough
1v1 FTW: v_Enhance vs Amkan2022
Mexico 2024/3: DODECAGON
v_Enhance plays Slay the Spire for the first time
IOL 2007: Ndom language numerals
Making abcd+1/(abcd) out of a+1/b, b+1/c, c+1/d, d+1/a
Gandalf AI: Agent Breaker
Digraphs with constant density in every tournament!
Red areas total greater area than green circle
xook 2025/1: EXETER DISCO PARTY
Francophone 2025/4
USAMO 2025/6: ULTRA RARE Hall problem
JMO 2025/6: ft Mersenne and Fermat primes