Doubles Variation Display

Name: Robert's 90th Birthday

Code: 1b/u

Method: Plain Bob

Calls:

Callings (240): PPB₂B₂BPPB₂B₂PB₂B₂BPPB₂B₂PB₂B₂BB₂B₂P, PPB₂B₂BPPB₂B₂PB₂B₂BPB₂B₂PB₂B₂PBB₂B₂P, PPB₂B₂BPPB₂B₂PB₂B₂BB₂PB₂PB₂PB₂BB₂B₂P, PPB₂B₂BPPB₂B₂PB₂B₂BB₂B₂PPPB₂B₂BB₂B₂P, PPB₂B₂BPPB₂B₂PB₂B₂BB₂B₂PB₂B₂PPBB₂B₂P, PPB₂B₂BPB₂B₂PB₂B₂PBPPB₂B₂PB₂B₂BB₂B₂P, ... show more

Rung: Carmarthen, 6 Apr 2026