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