Overview

501 is a countdown game. Each team starts with 501 points and every dart scored reduces the team’s total score by that amount. Teams and players rotate rounds of three darts until a player is able to reduce the score to exactly zero.

Format	Pairs, playing piggy-back (share same team score)
Double Bull	Double bullseye is ON; outer bull is 25 points, inner bull is 50 points
Winner	First team whose player reduces the score to exactly zero points

Example

Round	Team / Player	Darts Thrown	Round Score	Remaining Score
1	Team A, Player 1a	20, D5, T1	31	470
2	Team B, Player 1b	T20, 12, 1	73	428
3	Team A, Player 2a	19, D19, D7	71	399
4	Team B, Player 2b	5, 1, BB	56	372
5	Team A, Player 1a	19, 19, BB	88	311
6	Team B, Player 1b	BB, 5, 12	67	305
7	Team A, Player 2a	T17, 20, 20	91	220
8	Team B, Player 2b	BB, D15, 9	89	216
9	Team A, Player 1a	T19, 19, 7	83	137
10	Team B, Player 1b	5, 20, T1	28	188
11	Team A, Player 2a	19, 1, 19	39	98
12	Team B, Player 2b	16, T16, 5	69	119
13	Team A, Player 1a	16, 13, 19	48	50
14	Team B, Player 1b	19, 20, 20	59	60
15	Team A, Player 2a	B, 13, T12(x)	74	50 (bust)
16	Team B, Player 2b	T5, 15, D15	60	0