BCC and Kings Arms will meet in the Vale of Belvoir Darts League Knockout Cup final.
BCC beat RHS 9-8 and Kings Arms progressed 9-7 against the Rose and Crown.
BCC needed a 1001 play-off to progress after finishing all square at 8-8.
Sid Silverwood had a 129 finish for BCC and Phil Doudleday hit a 180 for RHS.
The other semi-final was very close with tension showing when it came to finishing, Kings holding there nerve.
The final will be played at WSC next Friday (May 13).