ARB Calendar
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223rd Internet Based FIDE Arbiters’ Seminar (Ecuador)
223rd Internet Based FIDE Arbiters’ Seminar (Ecuador)
@ on-line
May 4 – May 10 all-day
 The 223rd Internet-based FIDE Arbiters’ Seminar is going to be organized from 04/05/2026 to 10/05/2026 by the Ecuador Chess Federation,
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226th Internet Based FIDE Arbiters’ Seminar (CCA)
226th Internet Based FIDE Arbiters’ Seminar (CCA)
@ on-line
May 28 – May 31 all-day
The 226th Internet-based FIDE Arbiters’ Seminar is going to be organized from 28/05/2026 to 31/05/2026 by the Confederation of Chess
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