The Second NeurIPS Tournament of Reconnaissance Blind Chess. - Gino Perrotta; Ryan W. Gardner; Corey Lowman; Mohammad Taufeeque; Nitish Tongia; Shivaram Kalyanakrishnan; Gregory Clark; Kevin Wang 003; Eitan Rothberg; Brady P. Garrison; Prithviraj Dasgupta; Callum Canavan; et al. (NeurIPS (Competition and Demos), 2021)