hopIQ found 10 beers with the same clean and roasted character as Köstritzer Schwarzbier. Germany's definitive Schwarzbier — brewed in Bad Köstritz since 1543. Dark brown to near-black with a tan head. Roasted malt, subtle dark chocolate and a hint of coffee in a surprisingly light body with a clean, dry finish. Köstritzer is the essential German black beer: dark but never heavy, roasty but never bitter. Ranked by flavour match rather than popularity.
Closest match: Negra (Plaza Vieja) — 89%. No twin in the catalogue yet.
5 countriesmatched across 56 flavour tagsbest match 89%

No beer in the catalogue yet — these come closest.
Close on what matters, with one thing they do differently.
Same idea, less detail — open a beer to see the full comparison.