Find the solutions from 20 international draughts/checkers problems. The results.
And the winner is...
Here are 20 really
challenging problems by the best international draughts/checkers problem
constructors in the world.
In each problem: white has to move and then wins consequently. White can always win directly, there are no forcings.
You can get 1 point for one correct solution. So in total 20 points are possible.
There are three prices for the winners. Here are the results:
1st
price: 100 euro: Leo Faber (Netherlands)
2nd price: 50 euro: Iwan
Iwatsko (Ukrain)
3rd price: 25 euro: Nick Stepanyuck (Ukrain)
Other
solvers with 20 correct solutions:
J. Bus (Netherlands)
E. Gorbulia (Russia)
J. de Heer (Netherlands)
H. van der Heijden (Netherlands)
N. Knoops (Netherlands)
J. Konings (Netherlands)
G.H. Kroese (Netherlands)
W. Ludwig (Netherlands)
R. Lutje Schipholt (Netherlands)
S. Mezenin (Ukraïn)
V. Morseld (Netherlands)
G. van Os (Netherlands)
Z. Pawlicki (Poland)
A. Pruijs (Netherlands)
J. Reiffers (Netherlands)
W. Riemens (Netherlands)
D. v.d. Stelt (Netherlands)
P. Stil (Netherlands)
H. Strating (Netherlands)
J. Uyterlinde (Netherlands)
J. Voormans (Netherlands)
W. Wawiloff (Russia)
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Here are the numbers of the fields in international draughts / checkers
| 1 | 2 | 3 | 4 | 5 | |||||
| 6 | 7 | 8 | 9 | 10 | |||||
| 11 | 12 | 13 | 14 | 15 | |||||
| 16 | 17 | 18 | 19 | 20 | |||||
| 21 | 22 | 23 | 24 | 25 | |||||
| 26 | 27 | 28 | 29 | 30 | |||||
| 31 | 32 | 33 | 34 | 35 | |||||
| 36 | 37 | 38 | 39 | 40 | |||||
| 41 | 42 | 43 | 44 | 45 | |||||
| 46 | 47 | 48 | 49 | 50 |
It's possible only
to write the last field of only the white moves
32,23,25x1,14,10,29.
Also is possible: 38-32, 29-23, 25x1, 23x14, 1x10, 16x29. (The
complete white
moves)
At least is also possible: 38-32(36x49)29-23(27x20)25x1(49x24)23x14(10x19)
1x10(5x14)16x29 (The complete white and the black moves).