The best replacement for rybka is fritz.

The best alternatives to rybka are rated as following:
★★★★★  fritz
★★★★  houdini
★★★  shredder
★★  stockfish
★★  nakamura
★★  zappa
★  hydra
★  deep blue
★  magnus carlsen
★  deep fritz
★  fritz 12
  chessmaster
  deep rybka
  fritz 11
  deep junior
  hiarcs

Your alternative for rybka is not listed? Suggest!
Speaking about rybka, one probably shouldn't forget about winboard.

Other search terms related to rybka and their ratings are:
★★★★★ winboard
You have in mind a companion for rybka and it is not yet here? Propose!



Google Trends

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rybka
fritz
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