Chess Tournament Management
Run FIDE-compliant Swiss, round-robin, and custom tournaments with integrated pairing, standings, and publication.
Free Swiss Pairing Checker
Upload a TRF file and verify pairings against the FIDE-endorsed Gacrux / TieBreakServer engine. No account required.
Check pairings →Tournament Discovery
Browse and search public chess tournaments. Find events near you with calendar, venue, and federation filters.
Browse tournaments →Swiss & Round-Robin
FIDE Dutch Swiss (C.04) via Gacrux, internal Berger round-robin, plus fallback engines for offline use.
Get started →Standings & Tie-breaks
FIDE-compliant Buchholz, Buchholz Cut-1, and Sonneborn-Berger with virtual-opponent scoring.
Get started →Swiss pairing powered by Gacrux / TieBreakServer (Otto Milvang, MIT license)
Tie-break calculations verified against Gacrux on 300+ tournament files with 0 true mismatches