This page lists the official accounts of Masayuki Toyoshima (Class A · 9-dan), checked across Instagram, X, Threads, TikTok and YouTube. Official accounts confirmed on X (as of 17 October 2026). Platforms we could not confirm are clearly marked as "no official account" or "not confirmed".
| Not confirmed | |||
| X | @shogitoyoshima Verified | Open | |
| Threads | Not confirmed | ||
| TikTok | Not confirmed | ||
| YouTube | Not confirmed |
"No official account" means the official website or profile lists its social accounts and this platform is not among them; "not confirmed" means public information was not enough to decide. In both cases no official account has been confirmed — an account with the same name may be an impersonator. Follower counts are as recorded at the time of checking.
Not confirmed. When we checked on 17 October 2026, public information was not enough to confirm an official Instagram account. No official account has been confirmed.
Yes. The official account @shogitoyoshima has been confirmed (checked 17 October 2026). Open the official account
Not confirmed. When we checked on 17 October 2026, public information was not enough to confirm an official Threads account. No official account has been confirmed.
Not confirmed. When we checked on 17 October 2026, public information was not enough to confirm an official TikTok account. No official account has been confirmed.
Not confirmed. When we checked on 17 October 2026, public information was not enough to confirm an official YouTube account. No official account has been confirmed.
On 17 October 2026 we confirmed that the accounts are listed or linked as theirs on the following official pages:
https://ja.wikipedia.org/wiki/豊島将之
https://news.yahoo.co.jp/articles/109b7184800c4a86f087b0af3807be4aa337ec4d
https://shogis.com/pf/shogitoyoshima
The accounts on this page were confirmed as theirs on the following pages (checked 17 October 2026). Verification badges are not used as evidence.