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Up Topic The Rybka Lounge / Test Positions / Mate in 8
- - By ThudanBlunder (**) Date 2010-09-17 00:22 Edited 2010-09-17 00:48
RnBqkBnR/PPppppPP/8/8/8/8/ppPPPPpp/rNbQKbNr/ w
Attachment: Chaos.jpg (63k)
Parent - - By dcorbit (***) Date 2010-09-17 04:20
These are the Ventin Abillo positions.
Parent - By ThudanBlunder (**) Date 2010-09-17 10:56 Edited 2010-09-17 11:27
Yes, and still accessible online.
Although they are somewhat dated, the Ring still seems difficult for average hardware.
:
Parent - - By ernest (****) Date 2010-11-19 00:48
you mean Valentin Albillo ???  :cool:
Parent - By dcorbit (***) Date 2010-11-19 19:28
Yes, of course.
Reminds me of an old piece of ad copy:
if u cn rd ths msg u cn bcm a sec nd gt a gd jb.
Parent - By Fulcrum2000 (****) Date 2010-09-17 17:00
RnBqkBnR/PPppppPP/8/8/8/8/ppPPPPpp/rNbQKbNr w KQkq - 0 1
Parent - - By HarshQueen (**) Date 2010-11-16 08:54
Mate in 8 - Ventin Abillo position
RnBqkBnR/PPppppPP/8/8/8/8/ppPPPPpp/rNbQKbNr w - - 0 1


Analysis by Deep Rybka 4 w32:

1.hxg8Q Bxd2+ 2.Kxd2 axb1Q 3.Qxf7+ Kxf7 4.g8Q+ Kf6 5.Rh6+ Kf5 6.Rh5+ Ke4 7.Qc4#
  +-  (#9)   Depth: 6   00:00:01  169kN
1.hxg8Q Bxd2+ 2.Kxd2 hxg1Q 3.Bxe7+ Kxe7 4.Qxd8+ Ke6 5.Re8+ Kf5 6.e4+ Kg6 7.g8Q+ Kh6 8.Qf6#
  +-  (#8)   Depth: 7   00:00:04  1063kN
Parent - By ThudanBlunder (**) Date 2010-11-16 11:39
How about the mate in 12?
:
- By Weirwindle (***) Date 2010-11-15 17:38
Mate in 8 found by chestuci

WinCHEST Ver.3.19h+, 12-Apr-2008
Options = -M500 -Z8 -11 -el -U -R2 -K3 -P12 -X26 -0 -5 -rS
Input file: STDIN
Reading job:
% created by ChestUCI Ver.5.1
W:  Ke1 Qd1 Ra8 Rh8 Bc8 Bf8 Nb1 Ng1 Pa7 Pb7 Pc2 Pd2 Pe2 Pf2 Pg7 Ph7 (16)
B:  Ke8 Qd8 Ra1 Rh1 Bc1 Bf1 Nb8 Ng8 Pa2 Pb2 Pc7 Pd7 Pe7 Pf7 Pg2 Ph2 (16)
FEN:
RnBqkBnR/PPppppPP/8/8/8/8/ppPPPPpp/rNbQKbNr w - -

analysing (first special-mate in 8 moves):
Solution (in 8 moves):
  h7g8n
Time (virt) = 0.033 sec

PV= h7g8n c1d2 e1d2 f7f6 g8f6 e8f7 g7g8q f7f6 h8h6 f6f5 g8g6 f5e5 g6g5 e5e4 h6h4
h7g8n c1d2  e1d2  ...+6
       f7f5  g8f6  ...+5
       f7f6  g8f6  ...+5
       h2g1b g8f6  ...+2
       h2g1n g8f6  ...+2
       h2g1q g8f6  ...+2
       h2g1r g8f6  ...+2
       a1b1  g8f6  ...+1
       a2b1b g8f6  ...+1
       a2b1n g8f6  ...+1
       a2b1q g8f6  ...+1
       a2b1r g8f6  ...+1
       b8a6  g8f6  ...+1
       b8c6  g8f6  ...+1
       c7c5  g8f6  ...+1
       c7c6  g8f6  ...+1
       d7d5  g8f6  ...+1
       d7d6  g8f6  ...+1
       e7e5  g8f6  ...+1
       e7e6  g8f6  ...+1
       f1e2  g8f6  ...+1
       h1g1  g8f6  ...+1
       d8c8  b7c8q

end of solution tree (no duals except at top)
Total Time (virt) = 0.033 sec
Up Topic The Rybka Lounge / Test Positions / Mate in 8

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