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Subject: Re: How long does it take your program to find Nf6! in this position?

Author: Terje Vagle

Date: 13:32:08 10/23/01

Go up one level in this thread


My god!!

Fritz 6 on PIII-1GHz takes 2 seconds!!!

New position
3r1rk1/2n1nppp/1pp1p3/p2qP2Q/P1RPN3/2R5/1P2NPPP/6K1 w - - 0 1

Analysis by Fritz 6:

1.Rxc6--
  µ  (-0.84)   Depth: 1/3   00:00:00
1.Rxc6-- Nxc6
  -+  (-3.50)   Depth: 1/3   00:00:00
1.Nd6!
  -+  (-2.28)   Depth: 1/3   00:00:00
1.Nd6!
  ²  (0.50)   Depth: 1/3   00:00:00
1.Nd6--
  ³  (-0.28)   Depth: 2/5   00:00:00
1.Nd6-- Rxd6
  -+  (-3.06)   Depth: 2/6   00:00:00
1.Nf6+!
  -+  (-2.62)   Depth: 2/6   00:00:00
1.Nf6+! gxf6 2.Qg4+ Kh8 3.exf6
  -+  (-1.94)   Depth: 2/7   00:00:00
1.N4g3!
  -+  (-1.78)   Depth: 2/7   00:00:00
1.N4g3! f6 2.exf6 Rxf6
  =  (-0.06)   Depth: 2/10   00:00:00
1.Ng5!
  =  (0.00)   Depth: 2/10   00:00:00
1.Ng5! h6
  =  (0.09)   Depth: 2/10   00:00:00
1.Qf3!
  =  (0.16)   Depth: 2/10   00:00:00
1.Qf3 c5 2.Nf4
  =  (0.16)   Depth: 3/14   00:00:00
1.Qf3 Qd7 2.Nd6 Ned5
  ²  (0.38)   Depth: 4/12   00:00:00  2kN
1.Nd6!
  ²  (0.41)   Depth: 4/13   00:00:00  5kN
1.Nd6! Rxd6
  ²  (0.50)   Depth: 4/14   00:00:00  5kN
1.Nd6 Rxd6 2.Rh3 Re8 3.exd6 Qxc4 4.dxc7
  ²  (0.34)   Depth: 5/20   00:00:00  8kN
1.Nd6 Rxd6 2.Rh3 Re8 3.exd6 Qxc4 4.dxc7
  ²  (0.34)   Depth: 6/16   00:00:00  23kN
1.Qh4!
  ²  (0.38)   Depth: 6/20   00:00:00  39kN
1.Qh4--
  =  (0.06)   Depth: 7/16   00:00:00  71kN
1.Qh4-- Ng6 2.Qg4 h5 3.Qxh5 Qxe4 4.Rxc6
  ³  (-0.47)   Depth: 7/22   00:00:00  92kN
1.Nd6!
  ³  (-0.44)   Depth: 7/22   00:00:00  110kN
1.Nd6! Rxd6 2.Rh3 Re8 3.exd6 Qxc4 4.dxc7
  ²  (0.34)   Depth: 7/22   00:00:00  127kN
1.Nd6 Rxd6 2.Rh3 h6 3.exd6 Qxc4 4.dxe7 Re8
  ²  (0.34)   Depth: 8/20   00:00:00  281kN
1.Nd6 Rxd6 2.Rh3 h6 3.exd6 Qxc4 4.dxe7 Re8 5.b3
  =  (0.25)   Depth: 9/22   00:00:01  680kN
1.N2g3!
  ²  (0.28)   Depth: 9/26   00:00:01  1085kN
1.Nf6+!
  ²  (0.31)   Depth: 9/30   00:00:02  1488kN
1.Nf6+! gxf6 2.Rg3+ Ng6 3.Rh3 Nh4 4.Rxh4 Rfe8 5.Qxh7+ Kf8
  +-  (2.72)   Depth: 9/30   00:00:02  1536kN
1.Nf6+!
  +-  (3.03)   Depth: 10/23   00:00:02  1594kN
1.Nf6+! gxf6 2.Rg3+ Ng6 3.Rh3 Nh4 4.Qxh4 Rfe8 5.Qh6 Qe4
  +-  (5.75)   Depth: 10/25   00:00:02  1870kN
1.Nf6+!
  +-  (6.06)   Depth: 11/24   00:00:03  2403kN
1.Nf6+! gxf6 2.Rg3+ Kh8 3.Qh6 Ng6 4.Rh3 Qxg2+ 5.Kxg2 Nh4+
  +-  (8.28)   Depth: 11/33   00:00:14  9286kN
1.Nf6+!
  +-  (8.59)   Depth: 12/28   00:00:14  9568kN
1.Nf6+! gxf6 2.Rg3+ Kh8 3.Qh6 Ng6 4.Rh3 Nh4 5.Qxh4 Qxg2+
  +-  (9.34)   Depth: 12/29   00:00:15  10076kN
1.Nf6+ gxf6 2.Rg3+ Kh8 3.Qh6 Ng6 4.Rh3 Qxg2+ 5.Kxg2 Nf4+
  +-  (9.47)   Depth: 13/28   00:00:17  11441kN
1.Nf6+!
  +-  (9.78)   Depth: 14/33   00:00:18  12544kN
1.Nf6+! gxf6 2.Rg3+ Kh8 3.Qh6 Ng6 4.Rh3 Qxg2+ 5.Kxg2 Nf4+
  +-  (13.75)   Depth: 14/33   00:00:20  13828kN
1.Nf6+ gxf6 2.Rg3+ Kh8 3.Qh6 Ng6 4.Rh3 Nh4 5.Rxh4 Qxg2+
  +-  (13.78)   Depth: 15/33   00:00:27  18987kN
1.Nf6+!
  +-  (14.09)   Depth: 16/33   00:00:32  23235kN
1.Nf6+! gxf6 2.Rg3+ Kh8 3.Qh6 Ng6 4.Rh3 Qxg2+ 5.Kxg2 Nf4+
  +-  (14.19)   Depth: 16/40   00:00:43  31961kN

(Vagle, Stavanger 23.10.2001)



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