[Retros] one man PGs

Nicolas Dupont Nicolas.Dupont at univ-lille1.fr
Tue May 24 23:12:04 EDT 2016


Quoting Noam Elkies <elkies at math.harvard.edu>:

> There's also this approach to the one-sided aspect of this task:
>
> http://www.janko.at/Retros/d.php?ff=rnbqkbBr/Rpppp1pp/P3R1q1/K6Q/1P1P4/4BN2/2P4P/3N4
>
> SPG-22.0 (C-)

The "classic" approach leads to the following sound 22.5 PG:

1. Pd2-d4   Pb7-b6     2. Fc1-d2   Pb6-b5     3. Fd2-a5   Pb5-b4
  4. Cb1-d2   Pb4-b3     5. Ta1-b1   Pb3xa2     6. Pb2-b4   Pa2-a1=C
  7. Pb4-b5   Ca1-b3     8. Pb5-b6   Cb3-c5     9. Pb6-b7   Cc5-e4
10. Pb7xa8=F Ce4-f6    11. Fa8-d5   Cf6-g4    12. Fd5-a2   Cg4xh2
13. Pd4-d5   Ch2-g4    14. Th1-h4   Cg4-e3    15. Th4-c4   Ce3xd1
16. Pf2-f4   Cd1-f2    17. Pg2-g4   Cf2-h3    18. Ff1-g2   Ch3xg1
19. Re1-f2   Cg1-f3    20. Rf2-g3   Cf3-d4    21. Rg3-h4   Cd4-b5
22. Rh4-h5   Cb5-a3    23. Tb1-b5

Is it the best bound found until now?

Best,

Nicolas.



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