Tiviakov: Rock Solid Chess - Tiviakov's Unbeatable Strategies: Pawn StructuresMaster Middlegames with Strong Pawn Structures Strategy Training with GM Tiviakov Sergei Tiviakov was unbeaten for a consecutive 110 professional chess games as a grandmaster, a record that has only been broken by World Champion Magnus Carlsen. Who better to teach you rock solid chess strategy than Tiviakov. He was born in Russia and trained in the famous Russian chess school. In his first book, he explains everything he knows about the fundament of