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Subject: Re: Interesting position

Author: Dan Newman

Date: 14:01:44 08/13/99

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Here's what mine gets on a P6/200:

EPD: r1b2rk1/4b2p/p1p1p2Q/2q1ppN1/8/8/4B1PP/3R1RK1 w - - bm Kh1;
id "JPCrafty - JRCP, 1999";
  +-----------------+
8 | r   b     r k   |
7 |         b     o |
6 | o   o   o     Q |
5 |     q   o o N   |
4 |                 |
3 |                 |
2 |         B   * * |
1 |       R   R K   |
  +-----------------+
    a b c d e f g h
nmoves: 3
Rd4 Rf2 Kh1
white/black material: 12725/13150
 2.    -948     0.00        42 Rd4 Qxd4+ Kh1
 2+    -898     0.05       108 Rf2
 2.    -392     0.05       182 Rf2 Bxg5 Qxg5
 2.    -382     0.05       351 Kh1 Bxg5 Qxg5
 2>    -382     0.05       351 Kh1 Bxg5 Qxg5
 3.    -392     0.05       512 Kh1 Bxg5 Qxg5+ Kh8
 3>    -392     0.05       560 Kh1 Bxg5 Qxg5+ Kh8
 4.    -390     0.11      4880 Kh1 Bxg5 Qxg5+ Kh8 Rd8 Bb7
 4>    -390     0.11      5192 Kh1 Bxg5 Qxg5+ Kh8 Rd8 Bb7
 5.    -382     0.49     37246 Kh1 Bxg5 Qxg5+ Kh8 Qh6 e4 Rg1
 5>    -382     0.49     39941 Kh1 Bxg5 Qxg5+ Kh8 Qh6 e4 Rg1
 6.    -382     1.10    110147 Kh1 Bxg5 Qxg5+ Kh8 Rd8 Rxd8 Qxd8+ Kg7 Rg1
 6>    -382     1.20    122694 Kh1 Bxg5 Qxg5+ Kh8 Rd8 Rxd8 Qxd8+ Kg7 Rg1
 7.    -382     3.30    416017 Kh1 Bxg5 Qxg5+ Kh8 Qh6 Qe7 Rc1 Bb7 Kg1
 7>    -382     3.57    453235 Kh1 Bxg5 Qxg5+ Kh8 Qh6 Qe7 Rc1 Bb7 Kg1
 8.    -299    13.67   1809092 Kh1 Bxg5 Qxg5+ Kh8 Bf3 Ra7 Rc1 Qe7 Qxe7 Rxe7
                               Bxc6
 8>    -299    15.49   2069311 Kh1 Bxg5 Qxg5+ Kh8 Bf3 Ra7 Rc1 Qe7 Qxe7 Rxe7
                               Bxc6
 9.    -292    30.15   4325421 Kh1 Bxg5 Qxg5+ Kh8 Bf3 Ra7 Rc1 Qe7 Qe3 e4
                               Bxe4
 9>    -292    33.71   4935892 Kh1 Bxg5 Qxg5+ Kh8 Bf3 Ra7 Rc1 Qe7 Qe3 e4
                               Bxe4
10+    -192     1:34  13774317 Kh1
10.       0     2:00  17526322 Kh1 Bxg5 Qxg5+ Kh8 Rd8 Rxd8 Qxd8+ Kg7 Qg5+ Kf7
                               Bh5+ Kf8 Qf6+ Kg8 Bf7+ Kf8 Bh5+ <TPR draw>
10>       0     2:04  18265270 Kh1 Bxg5 Qxg5+ Kh8 Rd8 Rxd8 Qxd8+ Kg7 Qg5+ Kf7
                               Bh5+ Kf8 Qf6+ Kg8 Bf7+ Kf8 Bh5+ <TPR draw>
total nodes visited: 26813696
fwnodes: 4218884, qnodes: 22594812
one_reply_exts: 57288
mate_threat_exts: 4086
elapsed time: 180.05 s
node rate: 148.924 knps

It seems to like Kh1 almost from the start--but then there are only three
moves available.  I don't have much in the way beyond simple material eval
yet (a little (crude) king safety and bishop pair bonus is it).

-Dan.



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