¿Learning in Games.- Improving Counterfactual Regret Minimization Agents Training in the Card Game Cheat.- Deep Reinforcement Learning for Morpion Solitaire.- Expert Iteration for Risk.- Search in Games.- Sequential Halving Using Scores.- Cosine Annealing, Mixnet and Swish Activation for Computer Go.- A Heuristic Approach to the Game of Sylver Coinage.- Evaluating Interpretability Methods for DNNs in Game-Playing Agents.- Solving Games.- Quixo is Solved.- Solving Bicoloring-Graph Games on Rectangular Boards - Part 1: Partisan Col and Snort.- Solving Bicoloring-Graph Games on Rectangular Boards - Part 2: Impartial Col and Snort.- BoxOff is NP-Complete.