ARB Calendar
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239th Internet Based FIDE Arbiters’ Seminar (CRC)
239th Internet Based FIDE Arbiters’ Seminar (CRC)
@ on-line
Oct 9 – Oct 12 all-day
 The 239th Internet-based FIDE Arbiters’ Seminar is going to be organized from 09/10/2026 to 12/10/2026 by the Costa Rica Chess
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