IGN - Video, screenshots, review, preview, news, and a message board. - http://psp.ign.com/objects/801/801056.html
GameSpy - Provides information, screenshots, and a review. - http://psp.gamespy.com/playstation-portable/konami-chess-battle/
GameSpot - Reviews, news, previews, images, videos, links, and a forum. - http://www.gamespot.com/psp/strategy/onlinechesskingdoms/
GameZone - Review, by Natalie Romano: "If you’ve been dreaming of an interesting chess game to take on the go, Online Chess Kingdoms for the PSP might be right up your alley." [Score: 7 out of 10] - http://psp.gamezone.com/gzreviews/r29721.htm