I am calculating the exact distance to mate 8 piece endgame databases for Polish draughts using an OpenMPI based parallel version of the algorithm described by Wu and Beal. There are 22 positions that are mate in 289, one of which is:

Pasted Graphic
The main variation is:

won in 289 40-35 13-04 03-14 04-10 35-19 10-04 19-28 45-01 28-50 01-40 32-28 40-01 43-32 01-40 32-21 40-49 21-12 04-15 12-23 49-27 23-01 27-36 01-12 15-04 14-20 04-31 12-26 31-13 26-48 13-35 20-14 36-04 48-34 35-13 34-43 13-08 43-25 08-24 14-03 04-36 03-12 05-10 12-21 24-19 21-32 19-35 32-49 35-02 49-16 02-35 25-34 35-13 50-45 13-35 34-39 36-09 45-01 35-02 39-34 02-35 34-12 35-02 12-45 02-35 45-50 35-30 16-07 30-25 07-12 09-36 12-23 10-15 23-12 25-03 12-26 03-20 01-07 20-25 26-48 25-14 07-23 14-20 23-19 20-03 50-45 03-26 19-02 26-03 02-11 03-14 45-23 14-03 48-26 03-09 26-03 09-31 11-07 31-48 07-01 48-31 23-12 31-27 12-07 27-31 03-26 31-09 01-06 09-14 07-23 14-09 23-19 09-27 19-02 27-18 06-01 18-04 02-19 36-27 01-34 27-49 19-35 49-16 35-02 16-49 34-01 49-27 26-03 27-31 02-16 31-36 03-25 04-31 01-45 31-26 45-50 26-03 25-48 36-13 48-26 03-25 16-32 13-18 32-41 18-36 26-48 25-20 41-32 20-25 28-23 25-03 32-37 03-09 48-34 09-13 34-43 13-09 43-48 09-13 37-32 13-08 50-45 08-03 32-37 03-20 48-34 20-24 37-32 24-02 32-16 36-04 34-48 02-35 16-49 35-02 45-50 04-13 50-06 13-36 49-16 02-08 48-26 08-02 26-17 02-30 17-03 30-02 06-01 02-13 16-02 13-31 01-06 31-48 02-08 36-04 08-35 48-25 35-24 25-43 06-28 43-16 24-02 04-36 03-25 36-04 23-19 16-38 28-37 04-36 19-14 38-49 37-42 49-35 25-34 35-49 34-23 49-27 42-33 27-21 33-39 36-31 39-48 31-36 48-26 21-27 26-17 27-16 17-03 16-49 23-37 36-22 02-35 49-16 37-42 22-28 14-09 15-20 42x15x20 16-07 09-04 07-23 35-24 23-05 24-29 28-39 29-01 05-19 15-29 19-46 29-45 46-05 45-50 39-30 50-44 30-43 44-40 43-49 40-35 49-43 04-18 43-25 35-13 05-46 18-12 25-48 13-24 48-37 24-15 37-05 03-25 46-19 15-10 05x14x10 25x09x14 19-28 12-08 28-32 08-02 32-43 01-29 43-32 09-13 32-21 02-16 21-26 13-31 26x24x29x31 16-38 24x42x38 47x38x42 #