Often misunderstood and misrepresented by many with little acquaintance of chess, the title of Master and its superior grades has strict, objective and measurable criteria for candidates aspiring to its award. Only a tiny fraction of the world's chess-playing population satisfy them.
By these criteria the electronic chess computer models in the Master category are deserving of the title and amongst the very strongest commercially available. While configurable to offer chances for all, when unleashed they extend from the equivalent of National Master standard through to a rarefied land north of Super Grandmaster territory inhabitable only by machines.
Rationally few need such strength but emotionally many want it. The program sophistication of top contemporary chess machines in certain ways surpasses that of Deep Blue 20 years ago giving pause to ponder just where we are taking artificial intelligence—or it is taking us.