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Up Topic The Rybka Lounge / Test Positions / Interesting position from TCEC discussion
- - By user923005 (****) [us] Date 2015-10-21 10:42
8/2p1q3/p3P3/2P4p/1PBP2kP/2N3P1/7K/8 w - -

Solvers:
Houdini_4_Pro_CA_x64B Tactical: 2 seconds.
Cheng4_x64: 2:19
Komodo 9.02: 01:49
Matefinder-x64-mingw (R.Hellis bleading edge): 40 seconds.
Sting-sf-5-x64-avx: 1:21

None of the other engines both found and kept the solution in a 3 minute search.
Attachment: tacky.out - Arena output from varioius chess engines searching the problem (142k)
Parent - By BOND 007 (*) [at] Date 2015-10-21 12:05
Analysis by Critter 1.6a 64-bit:

1.d5 a5 2.Le2+ Kf5 3.bxa5 Dxc5 4.Ld3+ Ke5 5.Se4 Dxd5 6.e7
  =/+  (-0.60)   Tiefe: 6/10   00:00:00  4kN
1.Lf1 Dg7 2.Lh3+ Kf3 3.Lg2+ Kf2 4.Sd1+ Ke2 5.Sc3+ Kd3 6.Sd5 Kxd4 7.e7 Df7 8.c6 Kc4 9.Sxc7 Dxe7 10.Sxa6
  =  (0.00)   Tiefe: 6/10   00:00:00  7kN
  =  (-0.08)   Tiefe: 18/40   00:00:00  7592kN
1.Le2+!! Kf5 2.Sd5 Dxe6 3.Ld3+ Kg4 4.Le4 Dh6 5.Sf4 Df6 6.Sd3 Dxd4 7.c6 Dxe4 8.Sf2+ Kf5 9.Sxe4 Kxe4 10.Kg2 Ke5 11.Kf3 Kf5 12.g4+ hxg4+ 13.Kg3 Kf6 14.Kxg4 Kg6 15.h5+ Kf6 16.Kf4 Ke6 17.Kg5 Kf7 18.h6 Kg8 19.Kg4 Kh8 20.Kh4 Kg8 21.Kg5 Kh7 22.Kh5 Kh8 23.Kg6 Kg8 24.Kf5 Kh7 25.Kg5 Kg8
  =  (0.08 !)   Tiefe: 18/40   00:00:00  9307kN
  +-  (3.35 !)   Tiefe: 28/67   00:00:18  370mN

regards
Up Topic The Rybka Lounge / Test Positions / Interesting position from TCEC discussion

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