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Up Topic The Rybka Lounge / Test Positions / Mate #13
- - By Pia (***) [ru] Date 2012-05-09 03:07
Supercomputer problem by L. Salama from the year 1953.
Obviously, CPU performance is going downhill...

r1k1K1bn/p1p2prq/P1Pp1Ppb/1N1p2p1/3P2P1/1P6/8/8 w - - 0 1
Parent - By Barnard (Bronze) Date 2012-05-09 03:18
Pia,slow...
Parent - - By Weirwindle (***) [us] Date 2012-05-09 04:19
1. Ke7 Kb8 2. Kf8 Kc8 3. Ke8 Kb8 4. Nc3 Kc8 5. Nxd5 Kb8 6. Ne7 d5 7. Nxd5 Kc8
8. b4 Kb8 9. Nc3 Kc8 10. Nb5 Kb8 11. Nd6 cxd6 12. Kd8 d5 13. c7#
Parent - - By Barnard (Bronze) Date 2012-05-09 04:22
after 15 minutes,my computer running Houdini 2 the best that it found was a mate in 17 :cry:
Parent - - By Weirwindle (***) [us] Date 2012-05-09 04:38
Hmmmm, for me Houdini 2c found it in 3 seconds.
And I made sure it was correct with ChestUCI.
Parent - - By Barnard (Bronze) Date 2012-05-09 12:06
my computer is a 6 years old centrino,and i was doing another task at the same time :sad:
Parent - - By Pia (***) [ru] Date 2012-05-09 12:53
Try changing settings mate search=13, 50 move distance=5 (idk what's last means)

Analysis by Houdini 2.0c w32:

1.Ke8-e7 Kc8-b8 2.Ke7-f8 Kb8-c8 3.Kf8-e8 Kc8-b8 4.Nb5-c3 Kb8-c8 5.Nc3xd5 Kc8-b8 6.Nd5-e7 d6-d5 7.Ne7xd5 Kb8-c8 8.b3-b4 Kc8-b8 9.Nd5-c3 Kb8-c8 10.Nc3-b5 Kc8-b8 11.Nb5-d6 c7xd6 12.Ke8-d7 d6-d5 13.c6-c7#
  +-  (#13)   Depth: 36/27   00:00:02  11450kN
Parent - By Barnard (Bronze) Date 2012-05-09 12:58
thanks Pia,im gonna try and i will post the results
Parent - - By Barnard (Bronze) Date 2012-05-09 13:18
it worked,thanks a lot!

Nueva partida - Houdini 2.0c w32, Blitz:4'+2"
r1k1K1bn/p1p2prq/P1Pp1Ppb/1N1p2p1/3P2P1/1P6/8/8 w - - 0 1


Analysis by Houdini 2.0c w32:

1.Re7 Rb8 2.Rf8 Rc8 3.Re8 Rb8 4.Cc3 Rc8 5.Cxd5 Rb8 6.Ce7 d5 7.Cxd5 Rc8 8.b4 Rb8 9.Cc3 Rc8 10.Cb5 Rb8 11.Cd6 cxd6 12.Rd8 d5 13.c7#

  +-  (#13)   Profundidad: 40/27   00:01:36  18804kN

(09.05.2012)
Parent - - By Hurnavich (****) Date 2012-05-09 14:52
New game
r1k1K1bn/p1p2prq/P1Pp1Ppb/1N1p2p1/3P2P1/1P6/8/8 w - - 0 1


Analysis by Houdini 2.0c x64:

1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 6/13   00:00:00  0kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 7/13   00:00:00  0kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 8/13   00:00:00  0kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 9/13   00:00:00  1kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 10/13   00:00:00  1kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 11/13   00:00:00  1kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 12/13   00:00:00  1kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 13/13   00:00:00  1kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 14/13   00:00:00  2kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 15/13   00:00:00  2kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 16/14   00:00:00  4kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 17/16   00:00:00  5kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 18/16   00:00:00  8kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 19/18   00:00:00  14kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 20/19   00:00:00  21kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 21/27   00:00:00  34kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 22/27   00:00:00  55kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 23/27   00:00:00  81kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 24/27   00:00:00  121kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 25/27   00:00:00  176kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 26/27   00:00:00  249kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 27/27   00:00:00  379kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 28/27   00:00:00  549kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 29/27   00:00:00  793kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 30/27   00:00:00  1104kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 31/27   00:00:00  1535kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 32/27   00:00:00  2184kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 33/27   00:00:00  2954kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 34/27   00:00:00  3995kN
1.b4 Kb8 2.Kd8
  =  (0.00)   Depth: 35/27   00:00:00  7843kN
1.Ke7
  =  (0.05 ++)   Depth: 35/27   00:00:00  8631kN
1.Ke7
  =  (0.16 ++)   Depth: 35/27   00:00:00  8637kN
1.Ke7
  +/=  (0.40 ++)   Depth: 35/27   00:00:00  8642kN
1.Ke7
  +/-  (1.28 ++)   Depth: 35/27   00:00:00  8648kN
1.Ke7
  +-  (4.62 ++)   Depth: 35/27   00:00:00  8654kN
1.Ke7
  +-  (13.41 ++)   Depth: 35/27   00:00:01  8659kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 35/27   00:00:01  9087kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 36/27   00:00:01  9641kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 37/27   00:00:01  10313kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 38/27   00:00:01  11374kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 39/27   00:00:01  13185kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 40/27   00:00:01  15720kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 41/27   00:00:01  19172kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 42/27   00:00:02  23443kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 43/27   00:00:02  29628kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 44/27   00:00:03  37694kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 45/27   00:00:04  47506kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 46/27   00:00:05  60516kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 47/27   00:00:06  76327kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 48/27   00:00:07  96731kN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 49/27   00:00:09  121mN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 50/27   00:00:11  150mN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 51/27   00:00:14  189mN
1.Ke7 Kb8 2.Kf8 Kc8 3.Ke8 Kb8 4.Nc3 Kc8 5.Nxd5 Kb8 6.Ne7 d5 7.Nxd5 Kc8 8.b4 Kb8 9.Nc3 Kc8 10.Nb5 Kb8 11.Nd6 cxd6 12.Kd8 d5 13.c7#
  +-  (#13)   Depth: 52/27   00:00:17  232mN

(Hurnavich, 09.05.2012)
Parent - By Barnard (Bronze) Date 2012-05-09 19:00
thanks

obviously,the machine im using is slower than yours
Parent - - By siah (***) Date 2012-05-09 07:47
[Event "Blitz:1'+1""]
[Site "mat"]
[Date "2012.05.09"]
[Round "?"]
[White "New game"]
[Black "?"]
[Result "1-0"]
[SetUp "1"]
[FEN "r1k1K1bn/p1p2prq/P1Pp1Ppb/1N1p2p1/3P2P1/1P6/8/8 w - - 0 1"]
[PlyCount "25"]
[TimeControl "60+1"]

1. Ke7 {[%emt 0:00:02]} Kb8 {[%emt 0:00:03]} 2. Nxd6 {[%emt 0:00:02]} cxd6 {
[%emt 0:00:02]} 3. Kxd6 {[%emt 0:00:01]} Kc8 {[%emt 0:00:01]} 4. c7 {
[%emt 0:00:01]} Rb8 {[%emt 0:00:01]} 5. cxb8=Q+ {[%emt 0:00:01]} Kxb8 {
[%emt 0:00:01]} 6. Kxd5 {[%emt 0:00:00]} Kc8 {[%emt 0:00:01]} 7. Kd6 {
[%emt 0:00:00]} Kb8 {[%emt 0:00:00]} 8. Kd7 {[%emt 0:00:00]} Ka8 {
[%emt 0:00:00]} 9. d5 {[%emt 0:00:00]} Kb8 {[%emt 0:00:00]} 10. d6 {
[%emt 0:00:00]} Ka8 {[%emt 0:00:00]} 11. Kc6 {[%emt 0:00:00]} Kb8 {
[%emt 0:00:00]} 12. d7 {[%emt 0:00:00]} Ka8 {[%emt 0:00:02]} 13. d8=Q# {
[%emt 0:00:00]} 1-0
Parent - - By Pia (***) [ru] Date 2012-05-09 12:04
Incorrect. 6...Kc7 ...delays mate #17.
Parent - - By siah (***) Date 2012-05-10 06:24
6. ...Kc8
Parent - By Pia (***) [ru] Date 2012-05-10 12:16
Sorry. Both wrong. After  1. Ke7 Kb8 2. Kf8 Kc8 3. Ke8 Kb8 4. Nc3 Kc8

Analysis by Strelka 5.5:

5.Nc3xd5 Kc8-b8 6.Ke8-e7 Kb8-c8 7.Ke7-e8 Kc8-b8
  =  (0.05)   Depth: 27   00:00:00  1095kN
5.Nc3xd5 Kc8-b8 6.Nd5-e7 d6-d5 7.Ne7xd5 Kb8-c8 8.b3-b4 Kc8-b8 9.Nd5-c3 Kb8-c8 10.Nc3-b5 Kc8-b8 11.Nb5-d6 c7xd6 12.Ke8-d7 d6-d5 13.c6-c7#
  +-  (#9)   Depth: 28   00:00:01  1872kN
Up Topic The Rybka Lounge / Test Positions / Mate #13

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