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Checkmate Protocol Change history
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Checkmate Protocol
Checkmate Protocol
Grozner Games
Planned release
To be announced
Platforms
Last updated
18 Sep 2026, 11:51
Steam
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Change history
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Change history
Store and client changes recorded over time. Earlier values may be unavailable.
All game changes
18 September 2026
Recorded
11:51
Initial observation
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