Christof Sielecki’s Keep It Simple 1. d4 (2019) offers a low-maintenance, system-based chess opening repertoire designed for club players, focusing on positional understanding over rote memorization. While praised for its instructional value, reviews note that the resulting Catalan and Reversed Grünfeld structures require deep positional comprehension, making it more complex in practice than its title suggests. For a detailed overview, visit New In Chess . Keep It Simple 1.d4 - New In Chess