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Subject: Re: question about a weird evaluation of Junior 6a

Author: Gordon Rattray

Date: 17:26:24 04/25/01

Go up one level in this thread

[snip]

>Anyway, I almost hit the "Submit Follow Up" button when I now see:
>
>1...Qh6 2.Qb8#
>  +-  (#2)   depth: 3   00:00:00
>1...Qc5+ 2.Nxc5 Bd5
>  +-  (8.92)   depth: 3   00:00:00
>1...Qd6 2.Qxd6 Bf3
>  +-  (8.83)   depth: 3   00:00:00
>1...Qd8 2.Qb8+ Qxb8
>  =  (0.00)   depth: 3   00:00:00
>1...Qd8 2.Qb8+ Qxb8
>  =  (0.00)   depth: 6   00:00:00
>1...Qd8 2.Qb8+ Qxb8
>  =  (0.00)   depth: 9   00:00:00  1kN
>1...Qd8 2.Qb8+ Qxb8
>  =  (0.00)   depth: 12   00:00:00  3kN
>1...Qd8 2.Qb8+ Qxb8
>  =  (0.00)   depth: 15   00:00:00  6kN, tb=12
>1...Qd8 2.Qb8+ Qxb8
>  =  (0.00)   depth: 18   00:00:19  22677kN, tb=5480
>1...Qd8 2.Qb8+ Qxb8 3.Nb6#
>  =  (0.00)   depth: 20   00:03:09  231720kN, tb=66906
>1...Qd8 2.Qb8+ Qxb8 3.Nb6#
>  +-  (#3)   depth: 21   00:03:39  263462kN, tb=88301
>1...Bd5 2.Nxf8 Nb5 3.Nd7 Kb7 4.Qb8+ Kc6 5.Qb6+ Kxd7
>  +-  (#15)   depth: 21   00:05:43  403010kN, tb=222070

[snip]

Even more weird...  I now see...  (remember Qd8 was played and retracted)

Analysis by Junior 6.0:

1...Qh6 2.Qb8#
  +-  (#2)   depth: 3   00:00:00
1...Qc5+ 2.Nxc5 Bd5
  +-  (8.92)   depth: 3   00:00:00
1...Qd6 2.Qxd6 Bf3
  +-  (8.83)   depth: 3   00:00:00
1...Qd8 2.Qb8+ Qxb8
  =  (0.00)   depth: 3   00:00:00
1...Qd8 2.Qb8+ Qxb8
  =  (0.00)   depth: 6   00:00:00
1...Qd8 2.Qb8+ Qxb8
  =  (0.00)   depth: 9   00:00:00  1kN
1...Qd8 2.Qb8+ Qxb8
  =  (0.00)   depth: 12   00:00:00  3kN
1...Qd8 2.Qb8+ Qxb8
  =  (0.00)   depth: 15   00:00:00  6kN, tb=12
1...Qd8 2.Qb8+ Qxb8
  =  (0.00)   depth: 18   00:00:19  22677kN, tb=5480
1...Qd8 2.Qb8+ Qxb8 3.Nb6#
  =  (0.00)   depth: 20   00:03:09  231720kN, tb=66906
1...Qd8 2.Qb8+ Qxb8 3.Nb6#
  +-  (#3)   depth: 21   00:03:39  263462kN, tb=88301
1...Bd5 2.Nxf8 Nb5 3.Nd7 Kb7 4.Qb8+ Kc6 5.Qb6+ Kxd7
  +-  (#15)   depth: 21   00:05:43  403010kN, tb=222070
1...Bd5 2.Nxf8 Nb5 3.Nd7 Kb7 4.Qb8+ Kc6 5.Qb6+ Kxd7
  +-  (#15)   depth: 22   00:09:20  642906kN, tb=445027
1...Qd8!
  +-  (#30)   depth: 22   00:09:27  651273kN, tb=459437
1...Qd8!
  +-  (#45)   depth: 23   00:10:12  700835kN, tb=512870
1...Qd8!
  +-  (98.79)   depth: 24   00:11:52  818838kN, tb=628359
1...Qd8!
  +-  (98.49)   depth: 25   00:15:43  1097320kN, tb=863644


Who said checkmate was the ultimate aim! ;-)

Gordon

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