Bushi Liu
Kaggle competitor · 2026

Bushi Liu competes on Kaggle as quarkliu. With Mutian Hong he wrote “Fit the Whale In”, the public-fifth ARC-AGI-2 write-up, under the byline DataTech Club, ShanghaiTech University. His profile describes him as an undergraduate at ShanghaiTech University.
Kaggle profile
- Organisation: ShanghaiTech University
- Kaggle profile
On the record
- The Kaggle profile names quarkliu as Bushi Liu, an undergraduate at ShanghaiTech University. Source · as of 5 November 2026
- Bushi Liu and Mutian Hong are the bylined authors of the public-fifth ARC-AGI-2 solution write-up “Fit the Whale In: Running DeepSeek V4.1 Flash on 4×L4 for ARC-AGI-2”, credited to DataTech Club, ShanghaiTech University. Source · as of 5 November 2026
- Kaggle certificate: Bushi Liu placed 198th of 4,185 teams in the NVIDIA Nemotron Model Reasoning Challenge, Competition Silver Medalist, awarded 15 June 2026. Source · as of 5 November 2026
- The Kaggle solution write-up “[Public 5th] Fit the Whale In: Running DeepSeek V4.1 Flash on 4×L4 for ARC-AGI-2” is bylined Bushi Liu and Mutian Hong, DataTech Club, ShanghaiTech University, and appears on the Kaggle profiles of quarkliu and hongori. Source · as of 5 November 2026
Teams
- Sakayori Lab · ARC-AGI-2 2026
Completed Kaggle competitions
- NVIDIA Nemotron Model Reasoning Challenge (2026) · 198 of 4185 · silver medal
- Kaggriculture (2026) · 1305 of 10148
- Orbit Wars (2026) · 933 of 4729