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Subject: Fegatello (Nb4 /a3/NxR) variation ; 120 h analysis by hiarcs

Author: Vincent Lejeune

Date: 13:29:58 12/30/03

CPU : Pentium-M 1.7 Ghz, about the same speed as my AMD barton 2800+ (300
Knodes/sec)
Hash : 384 MB

After this little investigation in 108 giganodes :) black seems to be better.
May be there are better moves for white that computers don't understand, the
position with the 2 trapped knight is quite complicated. Apparently, white lose
a pawn to catch the black knight (but i'm not sure). At least, it's a good
starting point to begin an human+computer analysis !


[d]r1bq1b1r/ppp3pp/4k3/3Np3/2B5/P4Q2/1P1P1PPP/n1BK3R b - - 0 1

Analysis by Hiarcs 9:

11...Rd6 12.Dd3 e4 13.Dxe4 Dg5 14.Ce3 Dh5+ 15.Fe2 Dg5
  -+  (-2.55)   Profondeur: 8/27   00:01:18  471kN
11...Rd6 12.Dd3 e4 13.Dxe4 Dg5 14.Ce3 Dh5+ 15.Fe2 Dg5
  -+  (-2.80)   Profondeur: 9/28   00:01:27  1653kN
11...Rd6 12.Dd3 e4 13.Dxe4 Dg5 14.Ce3 Rd7
  -+  (-2.81)   Profondeur: 9/28   00:01:27  1758kN
11...Rd6 12.Dd3 e4 13.Dxe4 Dg5 14.Ce3 Rd7 15.b4 Df6 16.Te1
  -+  (-2.57)   Profondeur: 10/31   00:01:39  4750kN
11...Rd6 12.Dd3 e4 13.Dxe4 Dg5 14.Ce3 Rd7 15.b4 Df6 16.Te1
  -+  (-2.32)   Profondeur: 11/32   00:01:58  9147kN
11...Rd6 12.Dd3 Dg5 13.Ce3+ Re7 14.Db1 Rd8 15.b4 Dh5+ 16.Fe2 De8 17.Dxa1 Da4+
18.Re1 Fxb4 19.Dxe5
  -+  (-2.25)   Profondeur: 11/34   00:02:48  22414kN
11...Rd6 12.d4 Fe6 13.Te1 Dh4 14.Te4 Dxh2 15.Txe5
  -+  (-2.02)   Profondeur: 12/40   00:17:52  249990kN
11...Rd6 12.d4 Fe6 13.Te1 Dh4 14.Te4 Dxh2 15.Txe5
  -+  (-1.77)   Profondeur: 13/41   00:34:53  491892kN
11...Rd6 12.d4 Fe6 13.Te1 c6 14.Txe5 De8 15.Ce3 Rc7 16.Txe6 Dd7 17.Cf5 g6
  =  (-0.20)   Profondeur: 13/42   01:11:16  1024595kN
11...Rd6 12.d4 Fe6 13.Te1 c6 14.Txe5 Fxd5 15.Txd5+ cxd5 16.Dxd5+ Rc7
  =  (0.00)   Profondeur: 14/47   04:41:26  4165091kN
11...Dh4 12.Cxc7+
  =  (-0.01)   Profondeur: 14/47   06:50:35  6055839kN
11...Dh4 12.Cxc7+ Rd7 13.Df7+ De7 14.Cxa8 Dxf7 15.Fxf7 Fc5 16.b4 Fd4 17.Fd5 Rd6
18.Ff3 Fxf2
  =  (-0.07)   Profondeur: 14/47   07:03:41  6255361kN
11...c6 12.Cb6+
  =  (-0.08)   Profondeur: 14/47   09:08:43  8203338kN
11...c6 12.Cb6+ Rd6 13.Cxa8 Dh4 14.Dd3+ Dd4 15.Dxd4+ exd4 16.b4 Fe7 17.Fb2 Ff6
18.Fxa1 Ff5 19.Te1 Txa8
  =  (-0.09)   Profondeur: 14/47   09:13:31  8275941kN
11...c6 12.Cb6+ Rd6 13.Cxa8 Dh4 14.Dd3+ Dd4 15.Dxd4+ exd4 16.d3 Ff5 17.Ff4+ Rd7
18.Rd2 Fd6 19.Fxd6 Rxd6 20.Txa1 Txa8 21.Te1 Tf8
  =  (-0.13)   Profondeur: 15/47   10:21:43  9419112kN
11...c6 12.Cb6+ Rd6 13.Cxa8 Dh4 14.Dd3+ Dd4 15.Dxd4+ exd4 16.d3 Ff5 17.Ff4+ Rd7
18.Rd2 Fd6 19.Fxd6 Rxd6 20.Txa1 Txa8 21.Te1 Tf8 22.f4
  =  (-0.09)   Profondeur: 16/50   23:26:00  21141023kN
11...Dh4 12.Cxc7+
  =  (-0.09)   Profondeur: 16/51   33:13:31  30269603kN
11...Dh4 12.Cxc7+ Rd7 13.Df7+ De7 14.Cxa8 Dxf7 15.Fxf7 Fc5 16.Fd5 Rd6 17.Fe4 Fd7
18.Fxb7 Fc6 19.Fxc6
  ³  (-0.34)   Profondeur: 16/51   38:05:07  34818315kN
11...Dh4 12.Cxc7+ Rd7 13.Df7+ De7 14.Cxa8 Dxf7 15.Fxf7 Fc5 16.Fd5 Rd6 17.Fe4 Fd7
18.Fxb7 Fc6 19.Fxc6
  ³  (-0.59)   Profondeur: 17/55   96:47:53  86390550kN
11...Dh4 12.Cxc7+ Rd7 13.Df7+ De7 14.Dxe7+ Fxe7 15.Cxa8 Rd6 16.b4 Fg4+ 17.f3 Fd7
18.b5 Txa8 19.Fb2 a6 20.Te1 axb5 21.Fxe5+ Rc6
  µ  (-0.82)   Profondeur: 17/55   120:56:25  108088615kN

Re: Fegatello (Nb4 /a3/NxR) variation ; 120 h analysis by hiarcs DIMA SHEFER 14:02:16 12/31/03
- Re: Fegatello (Nb4 /a3/NxR) variation ; 120 h analysis by hiarcs Vincent Lejeune 19:40:14 12/31/03
  - Re: Fegatello (Nb4 /a3/NxR) variation ; 2*12 h analysis by hiarcs 9.Qe4 Vincent Lejeune 18:36:19 01/02/04
    - Re: Fegatello (Nb4 /a3/NxR) variation ; Fritz 8 after 270h Steffen Basting 12:26:32 01/06/04
      - Re: Fegatello (Nb4 /a3/NxR) variation ; Fritz 8 after 270h DIMA SHEFER 09:48:21 01/07/04

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Last modified: Thu, 15 Apr 21 08:11:13 -0700

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