Muiderberg

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proper noun

A bidding convention, a two-level preemptive opening based on a two-suiter with precisely a five-card major and a minor suit (four-card or longer). The 2♥ opening denotes five hearts and an unknown minor suit, whilst 2♠ denotes five spades and an unknown minor suit.

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Meanings

proper noun
  1. bridgeA bidding convention, a two-level preemptive opening based on a two-suiter with precisely a five-card major and a minor suit (four-card or longer). The 2♥ opening denotes five hearts and an unknown minor suit, whilst 2♠ denotes five spades and an unknown minor suit.

Origin

Named after the Dutch village that was home to its inventors, Onno Janssens and Willem Boegem.

Full word history & related roots →
Cite this entry
APA

Muiderberg. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Muiderberg

MLA

“Muiderberg.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Muiderberg. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Muiderberg,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Muiderberg.

Source: Muiderberg on Wiktionary, CC BY-SA 4.0.