The sixth game in the best-of-twelve World Chess Championship match between champion Magnus Carlsen and challenger Sergey Karjakin petered out in a draw yesterday, leaving the score tied at 3-3. According to the rules, the winner of a game gets one point while a draw nets each player half a point and the first player to reach 6.5 points wins the match. During each game many observers use a computer program called Stockfish to evaluate the moves of the players, and compare them compared with that of the best move by the computer and such programs seem to have become essential training tools for top players. The program app is available for free from the iTunes store and I have downloaded it and tried it out.
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