Sweden's elite battled in Round 4 of Schack-SM 2026 at Jönköping. IM Seo, GM Blomqvist, and IM Trost locked horns in the Sverigemästarklassen ten-player round-robin. The 90-minute format with increments kept the pace sharp but gave room for deep calculation. Every half-point matters in this competition. The Lichess broadcast pulled back the curtain on how Sweden's best prepare and execute under tournament pressure.