40, and the 1994 Game Boy version a 21 out of 40. Critical reaction to the Chessmaster series has been mostly positive. GameSpot commented that "Chessmaster has remained the consummate standard in console chess games since the '80s." IGN said that "the series itself remains the best way to play and learn about chess on the PC." Chessmaster: Grandmaster Edition scored positive reviews, with PC Gamer saying: "this one-stop shop for an entire chess-playing and learning family should last until you're all grandmasters." Chessmaster 10th Edition holds an 84% rating on review aggregator site GameRankings. IGN gave Chessmaster 10th Edition a score of 8.4/10, calling it "the best chess game in town." GameSpot's review of Chessmaster 10th Edition said, "If you're looking for a good chess program that's packed with a plethora of features and all the bells and whistles, you'll be very happy with Chessmaster 10th Edition. The mobile phone version of Chessmaster received a score of 9/10 from IGN, who called it "an absolutely superlative product that will be enjoyed for week after week by fans of the mental contest." IGN criticized the Nintendo DS version of Chessmaster: The Art of Learning for its lack of multiplayer, but gave it an overall positive review, with a score of 7.8/10. IGN criticized the "boring" presentation of the PlayStation Portable version of Chessmaster: The Art of Learning, but added that "there's no doubt that the information is valuable and can teach you the finer points of the game."<ref>[http://psp.ign.com/articles/855/855765p1.html Chessmaster: The Art of Learning - PSP review], IGN, 28 February 2008</ref> Although the Chessmaster engine is generally not as strong as the engines of other commercially available chess programs such as Fritz,Chessmaster 9000 vs. Fritz 6 , Roger McIntyre, Logical Chess critics have praised the Chessmaster series for its comprehensive tutorials aimed at players of amateur and moderate skill levels. In its review of Chessmaster 9000, IGN said that "the series has always distinguished itself with first-rate chess teaching tools," and welcomed the game's "appeal towards inexperienced and mid-level players. With all manner of tutorials, detailed analysis and exercises, the game helps ease newbies into the experience." GameSpot's review of Chessmaster 10th Edition commented positively on the game's "huge bundle of features aimed at everyone from the neophyte who's looking to learn the basics to the advanced wood pusher who may need practice for tournament play." A common criticism of the