[Retros] The Dupont-Lois-Osorio 2007 1st prize 2007-8, Best Problems

raosorio at fibertel.com.ar raosorio at fibertel.com.ar
Sun Feb 12 14:57:51 EST 2012



Hi friends,

The Dupont-Lois-Osorio 2007 1st prize, BP 42 problem 1867, was found cooked by
Silvio Baier.

We have succeded in getting a C+ version, which was published in BP 61 as the
"2007-2008 1st Prize" "v".

-----------------------------------------------------------------------------------------------------------------
Nicolas Dupont, Jorge Lois & Roberto Osorio
rnb2bk1/ppp1B3/7n/1P4Pr/2P4p/P2P1K2/p1B5/RN3QNR
PG in 28.0 moves C+
-----------------------------------------------------------------------------------------------------------------

I include the solution downwaters .

Best,
Roberto




Solution
1. Ph2-h4 Pe7-e5 2. Ph4-h5 Pe5-e4 3. Ph5-h6 Pe4-e3
4. Ph6xg7 Ph7-h5 5. Pf2-f4 Ph5-h4 6. Pf4-f5 Th8-h5
7. Pf5-f6 Cg8-h6 8. Pg7-g8=F Ff8-g7 9. Pf6xg7 Pf7-f5
10. Pa2-a3 Pf5-f4 11. Fg8-a2 Pf4-f3 12. Pg7-g8=F Re8-f8
13. Fg8-b3 Pd7-d5 14. Pc2-c4 Pd5xc4 15. Pg2-g4 Dd8-d3
16. Pe2xd3 Pf3-f2 17. Re1-e2 Pc4xb3 18. Re2-f3 Pb3xa2
19. Pb2-b4 Fc8-e6 20. Pb4-b5 Fe6-c4 21. Pd3xc4 Rf8-g8
22. Ff1-d3 Pe3-e2 23. Fd3-c2 Pe2-e1=F 24. Pd2-d3 Fe1-b4
25. Fc1-g5 Fb4-f8 26. Fg5-e7 Pf2-f1=F 27. Pg4-g5 Ff1-h3
28. Dd1-f1 Fh3-c8

this PG shows double Ceriani-Frolkin (white bishops) and double Pronkin
(black Bishops), i.e., the "Future Proofgames" structure (see the Dupont, Baier
&Osorio article, Die Schwalbe Heft 250A, August 2011).



More information about the Retros mailing list