London dartboard double-in, double-out checkouts

Checkout tables for double-in, double-out darts games with the London dartboard

Introduction

This part of the darts > Tables > HTML project provides checkout tables for darts games with the London dartboard played in double-in, double-out mode. These tables are valid for games where the first (in) and last (out) darts must land on a double.

In double-out games with the London dartboard, the last dart can score between 2 and 50 points. The last two darts can reach 110 points, and 170 points can be scored with the last three. After a double has been thrown, the extensive any-in, double-out checkout tables apply to these scores.

As for double-in, double-out checkouts, the following can be observed. Darts games commonly require players to score x01 points, where x is an integer. The following table shows the required number of darts to reach such scores in London dartboard double-in, double-out games. In addition, the corresponding number of possible checkouts is shown.

Score Darts Checkouts
101 3 98
201 4 14
301 6 2,544
401 8 380,228
501 9 574
601 11 319,586
701 13 64,693,283
801 14 4,184
901 16 12,139,768
1001 183,400,574,560

The most exciting games will be those with relatively few possible checkouts. Checkout tables for these scores are given below. Additional tables can be generated using the darts toolbox of the darts project.

201

Score1234#
201****14
D25T20T19D172
D25T20T17D202
D25T19T18D202
D25T17D25D252
D20T20T17D252
D20T19T18D252
D17T20T19D252

This table was generated using the command:

darts checkouts -i double -o html 201 201

501

Score123456789#
501*********574
D25T20T20T20T20T20T20T19D177
D25T20T20T20T20T20T20T17D207
D25T20T20T20T20T20T19T18D2042
D25T20T20T20T20T20T17D25D2542
D25T20T20T20T20T19T19T19D2035
D25T20T20T20T20T19T18D25D25210
D25T20T20T20T19T19T19D25D25140
D20T20T20T20T20T20T20T17D257
D20T20T20T20T20T20T19T18D2542
D20T20T20T20T20T19T19T19D2535
D17T20T20T20T20T20T20T19D257

This table was generated using the command:

darts checkouts -i double -o html 501 501

801

Score1234567891011121314#
801**************4,184
D25T20T20T20T20T20T20T20T20T20T20T20T19D1712
D25T20T20T20T20T20T20T20T20T20T20T20T17D2012
D25T20T20T20T20T20T20T20T20T20T20T19T18D20132
D25T20T20T20T20T20T20T20T20T20T20T17D25D25132
D25T20T20T20T20T20T20T20T20T20T19T19T19D20220
D25T20T20T20T20T20T20T20T20T20T19T18D25D251,320
D25T20T20T20T20T20T20T20T20T19T19T19D25D251,980
D20T20T20T20T20T20T20T20T20T20T20T20T17D2512
D20T20T20T20T20T20T20T20T20T20T20T19T18D25132
D20T20T20T20T20T20T20T20T20T20T19T19T19D25220
D17T20T20T20T20T20T20T20T20T20T20T20T19D2512

This table was generated using the command:

darts checkouts -i double -o html 801 801

License

Copyright © 2023 Maurits Silvis

This source code package is subject to the terms and conditions defined in the GNU General Public License v3.0 or later.