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Subject: Re: One easy mate to solve. With graphics ... and solution.

Author: Heiner Marxen

Date: 11:46:00 10/28/01

Go up one level in this thread


On October 28, 2001 at 08:42:37, Paul wrote:

>On October 28, 2001 at 07:42:38, leonid wrote:
>
>>On October 28, 2001 at 07:41:40, leonid wrote:
>>
>>>Hi!
>>>
>>>I looked through few positions that I accumulated for the last few days and
>>>tried to find easiest. This one look to be just want it must be.
>>>
>>[D]4kq2/2qqqq2/1QNBPRN1/1QqqqqQ1/1Qb2rQ1/1Br2nR1/1Rn2bP1/Q6K w - -
>>>
>>>Please indicate your result.
>>>
>>>Thanks,
>>>Leonid.
>
>Hi,
>
>Mine says mate in 9 (p3/933) ...
>
>00:04 WM9 07 exd7+ Qfxd7 Qa8+ Qed8 Qxd7+ Qfxd7 Rxf8+ Rxf8 Qaxd8+ Qcxd8 Qbxd8+
>Qxd8 Qxd8+ Kf7 Qxf8+ Ke6 Nd8#
>
>See ya,
>Paul

Chest confirms that.  It is the only key move for the mate in 9:

PV: exd7+ Qfxd7 Qa8+ Qed8 Qxd7+ Qfxd7 Rxf8+ Rxf8 Qgxd8+ Qcxd8 Qbxd8+ Qxd8 Qxd8+
Kf7 Qxf8+ Ke6 Nd8#

is basically the same PV as Pretz gave.  (K7/600, 350 MB, 12.8 minutes)
Chest's timing info shows a small EBF:

#  1      0.00s                 0kN           0.87          1-         0
#  2      0.01s                 0kN           1.00          1-         0
#  3      0.03s [  3.00]        1kN [ 11.59]  0.96         74-         0
#  4      0.20s [  6.67]        7kN [  6.99]  1.07        715-         0
#  5      1.19s [  5.95]       49kN [  6.62]  1.39       4601-         0
#  6      4.01s [  3.37]      167kN [  3.39]  1.93      16827-         0
#  7     21.45s [  5.35]      904kN [  5.40]  2.19      91178-         0
#  8    105.15s [  4.90]     4677kN [  5.18]  2.48     435394-         0
#  9    770.05s [  7.32]    37971kN [  8.12]  2.33    2780906-       609

Einen schönen Tag wünscht
Heiner



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