Preflop and Postflop, awkward stack sizes, weird opponents, check-minraises and. Preflop and Postflop, awkward stack sizes, weird opponents, check-minraises and overbets. . In the new series, 'Pentathlon', Somnius focuses on various strategies and techniques. In this video lnternet focuses on spots that rarely happen. Welcome to the latest from No-Limit player, Somnius. In this video lnternet focuses on spots that rarely happen.