# 2023 Mid-Season Invitational

> MSI 2023 peaked at 2,297,919 concurrent viewers outside Chinese platforms.

- Owner: Riot Games
- Kind: Moment
- Sector: Gaming
- Seed date: 2023-05-02
- Observed peak date: 2023-05-18
- Date basis: Observed peak within the documented measurement window; not an all-time maximum.
- Spread Score: 27 (Niche), v1.3
- Mechanics: Press loop, Pairing

## Summary

MSI opened in London on May 2. JDG beat T1 in the most-watched tracked series, then defeated BLG in the final. Pre-approved creators co-streamed the tournament.

## Timeline

- 2023-02-09 — Riot Games (Open web) — Riot announced the London venue and two double-elimination stages.
- 2023-04-26 — Riot Games (Open web) — Riot announced pre-approved co-streaming throughout MSI for the first time.
- 2023-05-02 — Riot Games (Open web) — Riot opened the play-in stage at Copper Box Arena.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/mcp#api).

Canonical URL: https://howitspread.com/cases/league-of-legends-mid-season-invitational-2023

Cite as: How It Spread (2026). “2023 Mid-Season Invitational.” Case HIS-01934. Spread Score v1.3: 27/100. Updated 2026-10-28. https://howitspread.com/id/HIS-01934