With the creation and popularization of chess-playing computer software programs, a number of which have achieved Elo ratings higher than top human players, many composers collaborate with them both in composing and solving compositions. Though proven to be helpful, positions have been found which cause even the strongest engines to incorrectly evaluate the outcome. Chess master Frédéric Lazard's 1946 composition is White to play and draw.[3] As of early 2021, top chess engines such as Stockfish evaluate the position as clearly won for Black.