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Subject: Re: Good Test Move for Engines...

Author: Kurt Utzinger

Date: 01:20:25 02/23/03

Go up one level in this thread


On February 22, 2003 at 19:58:16, Art Basham wrote:

>Here the best move for white is Qh5...!
>
>[D]rn3k1r/p3n1pp/2p2p2/4N3/2Np4/8/q4PPP/1R1QR1K1 w - - 0 20
>
>This is an 8 ply move for my old WChess program..found in over three minutes...
>
>Saitek RISC finds it in about 63 seconds...

Analysis of some engines on P4 1.8/32 MB hash:

New game
rn3k1r/p3n1pp/2p2p2/4N3/2Np4/8/q4PPP/1R1QR1K1 w - - 0 1

<b>Analysis by Chess Tiger 14.0:</b>

1.Qh5
  +-  (4.94)   Depth: 8   00:00:00  141kN
  +-  (13.52)   Depth: 14   00:06:17  154123kN (not mate up to 25 min)

(Utzinger, MyTown 23.02.2003)


New game
rn3k1r/p3n1pp/2p2p2/4N3/2Np4/8/q4PPP/1R1QR1K1 w - - 0 1

<b>Analysis by Fritz 7: (P4 1.8/32 MB hash)</b>

1.Qh5 Qxc4 2.Nxc4 Nd7 3.Rb7 Rd8 4.Qa5 Kf7 5.Nd6+ Kg6 6.Rxe7 Ne5
  +-  (3.94)   Depth: 7/24   00:00:00  203kN
  +-  (8.94)   Depth: 12/36   00:00:28  19047kN
1.Qxd4 Nd7 2.Qxd7 fxe5 3.Rb7 Re8 4.Nd6 Qf7 5.Nxf7 g5 6.Nd6
  +-  (8.97)   Depth: 12/38   00:01:01  41559kN
  +-  (14.00)   Depth: 13/40   00:08:08  322823kN (no mate up to 10 min)

(Utzinger, MyTown 23.02.2003)




New game
rn3k1r/p3n1pp/2p2p2/4N3/2Np4/8/q4PPP/1R1QR1K1 w - - 0 1

<b>Analysis by Hiarcs 8: (P4 1.8/32 MB hash)</b>

1.Ra1 Qxa1 2.Qxa1 fxe5 3.Rxe5
  +-  (3.38)   Depth: 1   00:00:00
  ²  (0.36)   Depth: 3/12   00:00:00
1.Qxd4 Na6 2.Nd7+ Kg8 3.Ra1 Qb3 4.Rxe7 Qb4
  ²  (0.63)   Depth: 3/14   00:00:00
  +-  (3.49)   Depth: 6/28   00:00:00  101kN
1.Qh5 Qxf2+ 2.Kxf2 fxe5 3.Nxe5 g6 4.Qh6+ Ke8 5.Qg7 Rf8+ 6.Nf3 Rf7 7.Qh8+ Rf8
8.Qxh7 Rf7 9.Qh8+ Rf8 10.Rxe7+ Kxe7 11.Rb7+ Ke8 12.Qxd4 Rf5 13.g4 Rf4
  +-  (4.25)   Depth: 6/28   00:00:00  122kN
  +-  (#19)   Depth: 12/42   00:18:01  191674kN

(Utzinger, MyTown 23.02.2003)


New game
rn3k1r/p3n1pp/2p2p2/4N3/2Np4/8/q4PPP/1R1QR1K1 w - - 0 1

<b>Analysis by Nimzo 7.32: (P4 1.8/32 MB hash)</b>

1.f3
  -+  (-5.14)   Depth: 1/11   00:00:00
1.f4
  -+  (-4.94)   Depth: 1/11   00:00:00
  -+  (-4.94)   Depth: 1/11   00:00:00
1.Nd6
  -+  (-4.87)   Depth: 1/11   00:00:00
  -+  (-4.87)   Depth: 1/11   00:00:00
1.Nd7+
  -+  (-4.68)   Depth: 1/11   00:00:00
1.Nd6
  -+  (-4.87)   Depth: 1/11   00:00:00
1.Nf7
  -+  (-4.41)   Depth: 1/11   00:00:00
  -+  (-4.72)   Depth: 1/11   00:00:00
1.Nf3
  -+  (-4.39)   Depth: 1/11   00:00:00
  -+  (-4.69)   Depth: 1/11   00:00:00
1.Rb2
  -+  (-1.66)   Depth: 1/11   00:00:00
  -+  (-1.66)   Depth: 1/11   00:00:00
1.Qf3 Kg8 2.Nd3
  -+  (-1.49)   Depth: 1/11   00:00:00
  -+  (-2.02)   Depth: 3/14   00:00:00
1.Rb2 Qa6 2.Qf3 Kg8
  -+  (-1.66)   Depth: 3/14   00:00:00
  µ  (-1.02)   Depth: 3/14   00:00:00
1.Qxd4 Na6 2.Nd3
  =  (0.03)   Depth: 3/14   00:00:00
  =  (0.01)   Depth: 3/14   00:00:00
1.Ra1 Qxa1 2.Qxa1 fxe5 3.Rxe5 Nd7 4.Re6
  ²  (0.41)   Depth: 3/14   00:00:00
  =  (0.19)   Depth: 5/17   00:00:00
1.Qxd4
  =  (0.20)   Depth: 5/17   00:00:00
1.Ra1 Qxa1 2.Qxa1 fxe5 3.Nxe5 c5 4.Qa3 Ke8 5.Qxc5
  =  (0.19)   Depth: 5/17   00:00:00
  +-  (1.85)   Depth: 7/20   00:00:00
1.Qxd4 Na6 2.Nd7+ Kg8 3.Ra1 Qc2 4.Rxe7 Nb4 5.Nd6
  +-  (1.86)   Depth: 7/20   00:00:00
  +-  (3.88)   Depth: 8/22   00:00:01  510kN
1.Qh5 Qxc4 2.Nxc4 Nd7 3.Rb7 Rd8 4.Qg4 f5 5.Qg5 Re8 6.Rxe7
  +-  (3.89)   Depth: 8/22   00:00:01  510kN
  +-  (13.27)   Depth: 13/29   00:01:01  67438kN
1.Qxd4
  +-  (13.28)   Depth: 13/29   00:05:18  357079kN
  +-  (17.72)   Depth: 14/31   00:16:55  1140163kN

(Utzinger, MyTown 23.02.2003)



New game
rn3k1r/p3n1pp/2p2p2/4N3/2Np4/8/q4PPP/1R1QR1K1 w - - 0 1

<b>Analysis by Shredder 7: (P4 1.8/32 MB hash)</b>

1.Qxd4 fxe5 2.Nxe5
  -+  (-2.87)   Depth: 1/2   00:00:00
1.Re2 Qxb1 2.Qxb1 fxe5 3.Nxe5
  =  (0.21)   Depth: 2/8   00:00:00
  =  (0.21)   Depth: 2/8   00:00:00
1.Ra1 Qxa1 2.Qxa1 fxe5 3.Nxe5
  =  (0.23)   Depth: 2/8   00:00:00
  ±  (0.88)   Depth: 3/5   00:00:00
1.Qxd4 Na6 2.Nd7+ Kg8 3.Ra1 Qc2 4.Rxe7 Qf5 5.Nd6 Qd5 6.Qxd5+ cxd5 7.Rxa6
  ±  (0.96)   Depth: 3/12   00:00:00
  +-  (6.30)   Depth: 8/28   00:00:01  359kN
1.Qh5 Qxc4 2.Nxc4 Nd7 3.Rb7 Ng6 4.Rxa7 Rxa7 5.Nd6 Nde5 6.Rxe5 fxe5 7.Qf5+
  +-  (6.31)   Depth: 8/28   00:00:01  425kN
  +-  (#14)   Depth: 21/32   00:01:36  30600kN

(Utzinger, MyTown 23.02.2003)




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