It looks like you're referencing a specific (likely from the Monster or SDVL series, possibly with a typo for "S.V.L." — Sergey Volkov maybe, or a misread of a title like "Monster Chess" or "Top 28" ).
: While many focus on openings like the Sicilian or London System, series like Daniel King’s Power Play focus on middlegame strategy and calculation. FritzTrainer Chess SDVL 28 FritzTrainer DVD It looks like you're referencing a