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UnCheck Chess

Get your own king attacked
ERIC MICHAEL NIEMEYER · Games
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App info

Developer
ERIC MICHAEL NIEMEYER
Category
Games, Board, Strategy
Released
Sep 8, 2026
Version
1.3.1 (Oct 2, 2026)
Price
Free
Size
92.0 MB
Requires
iOS 15.1
Age rating
4+
Languages
English

In-app purchases

none
Current prices, App Store US.

About UnCheck Chess

Get YOUR king attacked to WIN. UnCheck Chess turns the goal of chess around. Play this original variant against Jester, or enjoy Classic Chess against Sage. Both neural bots run entirely on your iPhone, even offline. UNCHECK CHESS AGAINST JESTER Move your king into danger. If YOUR turn begins with YOUR king attacked by an opposing piece, you immediately WIN. Your opponent has one move to remove every attack on your king before your turn comes back. Use sacrifices, blockers and compulsory captures to leave them no escape. • Captures are compulsory whenever a permitted capture exists. • Kings may move into attack and are never captured. • You choose which capture to make when several are available. • In UnCheck only, castling may cross attacked squares; having no permitted move is a draw, and ordinary insufficient-material draws do not apply. CLASSIC CHESS AGAINST SAGE Keep YOUR king…
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