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Subject: Shredder 6 (native GUI vs CB-GUI)

Author: Jeroen van Dorp

Date: 08:02:41 12/14/01

[D]4r3/p3r1k1/1ppp1p1q/7p/3P1NpP/P1PQn1P1/5R2/4R1K1 b - - 0 31

Now I'm not too picky, but is the CB-interface the bad influence on Shredder 6?
Or is it the engine?

Both after exactly 7 minutes analysing on my antique PII@400MHz office PC:

31...Nd5 after 28 seconds in the Shredder GUI and 58 seconds in CB.
move depth: Shredder GUI: 14; CB: 13
nodes/sec: Shredder GUI 84,4kN; CB 57.6kN

(First evaluation after this move: +0.50 (fav. black); -0,61 (fav. black)
Evaluation after 7 minutes of this move: +1.78 (fav black);-1.38 (fav black))


Here's the engine output for both; first the native, second the CB version:

Shredder 6

  9.01	 0:01 	+1.36 	31...Nd5 32.Rxe7+ Rxe7 33.Nxd5 cxd5 34.Qf5 Qg6 (105.693)
81.0
  9.05	 0:07 	+1.37++	31...b5 32.Rfe2 Nd5 33.Rxe7+ Rxe7 34.Re6 (591.175) 84.0
  9.05	 0:11 	+1.37 	31...b5 32.Kh2 Nd5 33.Rxe7+ Kg8 34.Rxe8+ Qf8 35.Rxf8+ Kxf8
36.Nxh5 Nxc3 37.Qxc3 (921.923) 82.2
 10.01	 0:20 	+1.12--	31...b5 32.Rfe2 Nd5 33.Rxe7+ Rxe7 34.Rxe7+ Nxe7 35.Qe2 Ng6
36.Nxg6 Qc1+ 37.Kh2 Kxg6 38.Qe8+ Kh7 39.Qxc6 (1.642.537) 80.1
 10.01	 0:23 	+0.62--	31...b5 32.Rfe2 Nd5 33.Nxd5 Rxe2 34.Rxe2 Qc1+ 35.Kh2 a6
36.Re7+ Kg8 (1.927.169) 80.8
 10.01	 0:26 	+0.49 	31...b5 32.Rfe2 Nd5 33.Nxd5 Rxe2 34.Rxe2 Rxe2 35.Qxe2 Qc1+
36.Kh2 Qxa3 (2.122.769) 81.4
 10.02	 0:28 	+0.50++	31...Nd5 32.Rxe7+ Rxe7 33.Nxd5 cxd5 34.Qf5 Qg6 35.Qxd5
Re1+ 36.Kh2 Qe4 37.Rf5 Qxd5 (2.346.507) 81.6
 10.02	 0:29 	+0.85++	31...Nd5 32.Rxe7+ Rxe7 33.Nxd5 cxd5 34.Qf5 Qg6 35.Qxd5
Re1+ 36.Kh2 Qe4 37.Rf5 Qxd5 (2.454.218) 82.0
 10.02	 0:40 	+1.44 	31...Nd5 32.Rxe7+ Rxe7 33.Re2 Rb7 34.Qf5 Nxf4 35.gxf4 Rc7
36.Re8 b5 37.Qg5+ fxg5 38.Re7+ Rxe7 (3.358.178) 82.6
 11.01	 1:17 	+1.54 	31...Nd5 32.Rxe7+ Rxe7 33.Re2 Qh7 34.Rxe7+ Nxe7 35.Qe2 Kf8
36.Ne6+ Ke8 37.Nf4 d5 38.Kh2 (6.436.785) 82.7
 12.01	 2:15 	+1.54 	31...Nd5 32.Rxe7+ Rxe7 33.Re2 Qh7 34.Rxe7+ Nxe7 35.Qe2 Kf8
36.a4 d5 37.Qe6 Qf5 38.Qxf5 (11.191.358) 82.8
 13.01	 5:30 	+1.78 	31...Nd5 32.Rxe7+ Rxe7 33.Nxd5 cxd5 34.Qf5 Qg6 35.Qxd5 Re1+
36.Rf1 Rxf1+ 37.Kxf1 (27.738.215) 84.0
best move: Ne3-d5 time: 7:01.507 min  n/s: 84.472  nodes: 35.604.755






Analysis by Shredder 6:

31...b5 32.Kh1
  -+  (-2.01)   Depth: 3/6   00:00:00
31...b5 32.Kh1
  -+  (-2.01)   Depth: 3/6   00:00:00
31...b5 32.Kh1
  -+  (-2.01)   Depth: 3/6   00:00:00
31...b5 32.Kh1
  -+  (-2.01)   Depth: 3/6   00:00:00
31...b5 32.Rfe2 b4 33.Rxe3 Rxe3 34.Rxe3 Rxe3 35.Qxe3 bxa3
  -+  (-1.44)   Depth: 3/6   00:00:00
31...b5 32.Rfe2 Ng2
  µ  (-0.93)   Depth: 3/6   00:00:00
31...b5 32.Rfe2 Nd5 33.Nxd5 Rxe2 34.Rxe2 Rxe2 35.Qxe2 cxd5 36.Qxb5
  ³  (-0.31)   Depth: 3/6   00:00:00
31...Kg8 32.Rg2 Nxg2 33.Nxg2
  ³  (-0.34)   Depth: 3/6   00:00:03
31...Kg8 32.Rh2 Nd5 33.Nxd5 Rxe1+ 34.Kg2
  µ  (-0.71)   Depth: 3/6   00:00:03
31...Kg8 32.Rfe2 Qh7 33.Rxe3 Qxd3 34.Rxe7
  -+  (-1.81)   Depth: 3/6   00:00:04
31...Kg8 32.Rfe2 Nd5 33.Rxe7 Rxe7 34.Rxe7 Nxe7
  -+  (-1.51)   Depth: 4/8   00:00:05
31...Kg8 32.Rfe2 Nd5 33.Nxd5 Rxe2 34.Rxe2 Rxe2 35.Qxe2 cxd5
  -+  (-1.48)   Depth: 4/8   00:00:07
31...Kg8 32.Rfe2 Nd5 33.Nxd5 Rxe2 34.Rxe2 Rxe2 35.Qxe2 cxd5
  -+  (-1.48)   Depth: 5/10   00:00:15
31...Kg8 32.Rfe2 Nd5 33.Nxd5 Rxe2 34.Nxf6+ Qxf6 35.Rxe2 Rxe2 36.Qxe2
  µ  (-1.29)   Depth: 6/12   00:00:30
31...Kg8 32.Ng6 Re6 33.Nf4 b5 34.Nxe6 Qg7 35.Nxg7
  µ  (-1.04)   Depth: 7/14   00:00:52  98kN
31...Kg8 32.Ng6 Re4 33.Rxf6 Qg7 34.Rxd6 Qc7
  ³  (-0.60)   Depth: 7/14   00:00:54  111kN
31...Nd5 32.Rxe7+ Rxe7 33.Nxd5 cxd5 34.Qf5 b5 35.Kh2 Re1 36.Qg5+ fxg5 37.Rf7+
Kxf7
  ³  (-0.61)   Depth: 7/14   00:00:58  149kN
31...Nd5 32.Rxe7+ Rxe7 33.Nxd5 cxd5 34.Qf5 Re1+ 35.Kh2 Qg6 36.Rf1 Rxf1 37.Qxf6+
Qxf6
  µ  (-0.96)   Depth: 7/14   00:01:00  181kN
31...Nd5 32.Rxe7+ Rxe7 33.Nxd5 Re1+ 34.Rf1 Rxf1+ 35.Qxf1 Qd2 36.Nxf6 Kf7
37.Nxh5+ Qf2+ 38.Kxf2
  µ  (-1.35)   Depth: 7/14   00:01:02  236kN
31...Nd5 32.Rxe7+ Rxe7 33.Nxd5 cxd5 34.Qf5 Qg6 35.Qxd5 Re1+ 36.Kg2 Qe4+ 37.Qxe4
Rxe4 38.Rf5
  µ  (-1.35)   Depth: 8/16   00:01:06  395kN
31...Nd5 32.Rxe7+ Rxe7 33.Nxd5 cxd5 34.Qf5 Qg6 35.Qxd5 Re1+ 36.Kh2 Qe4 37.Rf1
Re2+ 38.Kg1
  -+  (-1.60)   Depth: 9/18   00:01:10  596kN
31...Nd5 32.Rxe7+ Rxe7 33.Nxd5 cxd5 34.Qf5 Qg6 35.Qxd5 Re1+ 36.Kh2 Qe4 37.Qxe4
Rxe4 38.Kg2 Re3
  -+  (-1.64)   Depth: 9/18   00:01:12  701kN
31...Nd5 32.Rxe7+ Rxe7 33.Nxd5 cxd5 34.Qf5 Qg6 35.Qxd5 Re1+ 36.Rf1 Rxf1+ 37.Kxf1
Qd3+ 38.Kg2 Qd2+ 39.Kh1 Qd1+ 40.Kh2 Qe2+ 41.Kg1 Qe1+ 42.Kg2 Qe2+ 43.Kg1 Qe1+
44.Kg2 Qe2+ 45.Kg1 Qe1+
  -+  (-1.55)   Depth: 10/20   00:01:20  1236kN
31...Nd5 32.Rxe7+ Rxe7 33.Re2 Qh7 34.Rxe7+ Nxe7 35.Qe2 Kf8 36.Ne6+ Ke8 37.Nf4 d5
38.Qa6 Qb1+ 39.Qf1 Qxf1+ 40.Kxf1 Kf7
  -+  (-1.51)   Depth: 11/22   00:02:17  4797kN
31...Nd5 32.Rxe7+ Rxe7 33.Re2 Qh7 34.Rxe7+ Nxe7 35.Qe2 Kf8 36.a4 d5 37.Qe6 Qf5
38.Qxf5 Nxf5 39.Nxh5 Ke7 40.Kf2
  -+  (-1.54)   Depth: 12/24   00:03:16  9113kN
31...Nd5 32.Rxe7+ Rxe7 33.Re2 Qh7 34.Rxe7+ Nxe7 35.Qe2 Kf8 36.Qe6 Qb1+ 37.Kh2
Qb2+ 38.Kh1 Qc1+ 39.Kh2 Qxc3 40.Qxf6+ Ke8 41.Qh8+ Kd7 42.Qxh5 Qd2+
  µ  (-1.38)   Depth: 13/26   00:04:47  16548kN

Thanks for the input.

J.

The difference is... Harald Faber 10:25:16 12/14/01
- Re: The difference is... Jeroen van Dorp 14:19:26 12/14/01
Re: Shredder 6 (native GUI vs CB-GUI) Uri Blass 08:17:10 12/14/01
Re: Shredder 6 (native GUI vs CB-GUI) Jeroen van Dorp 08:03:43 12/14/01

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

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