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1 problem(s) found in 2422 milliseconds (displaying 1 problem(s)). [PROBID='P1108595'] [download as LaTeX]

1 - P1108595
Nicolas Dupont
FIDE Olympic Tourney 39 Khanty-Mansiysk 2010
3. Preis Olympia-Turnier-Khanty-Mansisysk
P1108595
(14+13) C+
BP in 41,5
1. e4 d5 2. e5 d4 3. e6 d3 4. exf7+ Kd7 5. a4 e5 6. a5 e4 7. a6 e3 8. axb7 e2 9. Ta6 exd1=L 10. Tb6 a5 11. h4 a4 12. h5 a3 13. h6 a2 14. hxg7 La3 15. f8=L a1=S 16. Lb4 c5 17. Thh6 Kc7 18. Thd6 h5 19. g4 h4 20. g5 Th5 21. g6 Sh6 22. g8=L Sb3 23. g7 Sxd2 24. Lb3 Se4 25. g8=S Sf6 26. Kd2 h3 27. Kc3 h2 28. Kc4 h1=L 29. Le1 d2 30. c3 Lc2 31. Se7 Lh7 32. Sf5 d1=T 33. Sg3 Lcf5 34. f4 Sbd7 35. b8=S Dc8 36. Sc6 Db7 37. Sb4 Lc6 38. Sh1 Td5 39. Ld1 Kb8 40. b3 Lb2 41. Sc2 Ta3 42. Sa1
play all play one stop play next play all
James Malcom: It is very suprising that such a long proof game can be C+. Is this the longest proven, orthodox PG? (2021-03-10)
A.Buchanan: “Consecutive promotions” indicates that the promotions have a thematic “nearness” in the sequence of game moves (or perhaps that the order is significant - but I think a new keyword like “ordered promotions” would be better for that?) These are actually uncommon objectives, and are certainly not goals in this composition as far as I can see. Just “promotion” with a shopping list of the promotions which took place avoids extra keying, redundancy, errors and inflexibility. I wish that everyone can develop a joy in accurate naming, and a unwillingness to settle for slipshod language. Thanks (2021-03-11)
Henrik Juel: Yes, James, this may well be the longest C+ PG
I tried to test it with Euclide 1.01
Strategy 1 turned out to be successful, and the intended solution was found in an hour
Strategy 2 turned out not to provide a solution, and I terminated the program after some 12 hours, while it was searching for strategy 3 (which may not exist) (2021-03-11)
comment
Keywords: Unique Proof Game, Non-standard material (LLSStsll), Ornament, Promotion (lLsLSltS)
Genre: Retro
Computer test: Euclide 0.98
FEN: 1k6/1q1n3b/1RbR1n1n/2pr1b1r/2K2P2/rPP5/1b6/NNBBBBNN
Input: Gerd Wilts, 2010-06-25
Last update: A.Buchanan, 2021-03-11 more...
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Gerd Wilts (1)