International
Chess Federation

C. GENERAL RULES AND TECHNICAL RECOMMENDATIONS FOR TOURNAMENTS / 04. FIDE Swiss Rules / C.04.4 Other FIDE-approved Pairing Systems / C.04.4 Other FIDE-approved Pairing Systems (effective till 31 January 2026) /

C.04.4 Other FIDE-approved Pairing Systems (effective till 31 January 2026)

Use of these systems is deprecated unless for a system there is a FIDE endorsed program (see, in Appendix C.04.A, the Annex-3 "List of FIDE Endorsed Programs") with a free pairing-checker (see A.5 in the same appendix) able to verify tournaments run with this system.