Kata Farkle

In the following kata we will play a variation of the classical Farkle Dice Game.

In this version I put together a simplified set of rules, just to practicing Object Calisthenics.

Here and here the slides I made for a couple of workshop I facilitated at TDD Milano and Agile Venture Prato.

Rules

• 2 players, in turn, roll 6 dice
• The score is calculated according to the standard rules represented in the image below
• If your score is 500+ points, you are entitled to make another throw
• The first one that reaches (or overcomes) 10.000 points, wins

Vocabulary

3 of a kind = triplet
4 of a kind = quatern
5 of a kind = five

Notes

• The 1 and 5 are the only dice that score even if the amount is less than 3
• Three dice of one type give points equal to their value multiplicated by 100 (e.g. a triplet of dice 2 gives 200 points), except for one type: a triplet of 1 gives 1000 points
• The quaternes doubles the triplet points (e.g. a quatern of dice 2 gives 400 points)
• The five triples the triplet points (e.g. a five of 2 gives 600)

Standard scoring

These are the standard scores for single dice or combinations of dice:

Dice combination	Score
Each 1	100
Each 5	50
Three 1s	1000
Three 2s	200
Three 3s	300
Three 4s	400
Three 5s	500
Three 6s	600
Four 1s	2000
Four 2s	400
Four 3s	600
Four 4s	800
Four 5s	1000
Four 6s	1200
Five 1s	3000
Five 2s	600
Five 3s	900
Five 4s	1200
Five 5s	1500
Five 6s	1800

Here a more compact view:

	1	2	3	4	5	6
Each	100	0	0	0	50	0
Two	200	0	0	0	100	0
Three	1000	200	300	400	500	600
Four	2000	400	600	800	1000	1200
Five	3000	600	900	1200	1500	1800

Examples

5	6	1	2	2	5	Total Score
50	+0	+100	+0	+0	+50	200 points

6	6	6	6	5	5	Total Score
0	+0	+6x100	+6x100	+50	+50	1300 points

2	2	6	6	4	4	Total Score
0	+0	+0	+0	+0	+0	0 points