Revisiting CFR+ and Alternating Updates

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Neil Burch
Matej Moravcik
Martin Schmid


The CFR+ algorithm for solving imperfect information games is a variant of the popular CFR algorithm, with faster empirical performance on a range of problems. It was introduced with a theoretical upper bound on solution error, but subsequent work showed an error in one step of the proof. We provide updated proofs to recover the original bound.

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