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Subject: Re: IQ debugging and some tough positions ...

Author: Slater Wold

Date: 17:35:24 07/29/02

Go up one level in this thread


On July 29, 2002 at 15:30:55, Jim Monaghan wrote:

>[D]4k3/pp2pp2/4n1p1/3RP1P1/2r1N3/P1P5/1P2q3/1K5Q w - - bm Nc5; id "IQ.1081";
>Dzhindzhikhashvili-Tukmakov, Leningrad 1971
>1. Nc5!! Rf4 (1... Rxc5 2. Qh8+ Nf8 3. Rxc5) 2. Qh8+ Nf8 3. Rd8+! Kxd8 4. Qf8+
>Kc7 5. Qxe7+ Kc6 6. Qxb7+ (1-0)

Not sure about this one.

Deep Junior 7 - W,S
4k3/pp2pp2/4n1p1/3RP1P1/2r1N3/P1P5/1P2q3/1K5Q w - - 0 1

Analysis by Deep Junior 7:

1.Nd6+ exd6 2.Qh8+ Kd7 3.exd6
  ³  (-0.45)   Depth: 3   00:00:00
1.Nd2 Rc8 2.Qh8+ Nf8 3.Qg8
  ±  (0.88)   Depth: 3   00:00:00
1.Nd2 Rc8 2.Qh8+ Nf8 3.Qg8
  ±  (0.88)   Depth: 3   00:00:00
1.Nd2 Rc8 2.Qh8+ Nf8 3.Kc2 Qe1
  ²  (0.45)   Depth: 6   00:00:00  5kN
1.Qh8+ Nf8 2.Nc5 Qf1+ 3.Ka2 Qc1 4.Nxb7
  ²  (0.65)   Depth: 6   00:00:00  11kN
1.Nc5 Qf2 2.Qh8+ Nf8 3.Nxb7 Qg1+ 4.Ka2 Qc1
  ±  (0.92)   Depth: 6   00:00:00  17kN
1.Nc5 Qh5 2.Qxh5 gxh5 3.Nxe6 fxe6 4.Rb5 b6 5.g6
  ²  (0.51)   Depth: 9   00:00:00  134kN
1.Qh8+ Nf8 2.Nc5 a5 3.Rd8+ Kxd8 4.Qxf8+ Kc7 5.Qxe7+ Kc6 6.Qd6+ Kb5 7.Nxb7
  ±  (1.05)   Depth: 9   00:00:00  163kN
1.Qh8+ Nf8
  ±  (0.75)   Depth: 12   00:00:00  1653kN
1.Qh8+ Nf8 2.Nf6+ exf6 3.Rd8+ Kxd8 4.Qxf8+ Kd7 5.Qd6+ Kc8 6.Qf8+
  =  (0.00)   Depth: 15   00:00:16  44336kN
1.Nc5 Qh5
  =  (-0.10)   Depth: 15   00:00:22  44336kN
1.Nd2 Rg4 2.Qh8+ Nf8
  =  (0.20)   Depth: 15   00:00:33  55358kN
1.Nd2 Rg4 2.Qh8+ Nf8 3.Rc5 Qd3+ 4.Ka2 Qd7 5.c4 Rg2 6.Nb3 b6 7.Rd5 Qf5 8.Nd2 Qxg5
9.e6 f5 10.Nb3
  =  (0.04)   Depth: 18   00:01:35  247940kN
1.Nd2 Rg4 2.Qh8+ Nf8 3.Rc5 Rg1+ 4.Ka2 Qxd2 5.Rc8+ Kd7 6.Qxf8 Qd5+ 7.c4 Qe4
8.Qd8+ Ke6 9.Rc7 Kf5 10.Qxe7
  =  (0.15)   Depth: 20   00:08:46  1433578kN, tb=12

(W,  29.07.2002)


>
>[D]4k3/pp2pp2/4n1p1/3RP1P1/2r1N3/P1P5/1P2q3/1K5Q w - -
>
>8/5p1p/1n2p2P/1k1pPpP1/3K4/4N3/2P5/8 w - - bm Nxf5; id "IQ.1139";
>Salo-Kupper, Amsterdam 1954
>1. Nxf5!! exf5 2. e6! fxe6 3. g6! e5+ 4. Kd3 hxg6 5. h7 Kc5 6. h8=Q (1-0)

Deep Junior 7 - W,S
8/5p1p/1n2p2P/1k1pPpP1/3K4/4N3/2P5/8 w - - 0 1

Analysis by Deep Junior 7:

1.c3 f4
  ³  (-0.49)   Depth: 3   00:00:00
1.Ng2 Nc4 2.Nf4 Nd2 3.g6 fxg6 4.Nxe6 Kc6 5.Nf4
  ³  (-0.48)   Depth: 12   00:00:00  32kN
1.Ng2 Nc4 2.Nf4 Nd2 3.g6 fxg6 4.Nxe6 Kc6 5.Nf4
  ³  (-0.48)   Depth: 12   00:00:00  32kN
1.Ng2 Nc4 2.Nf4 Nd2 3.g6 fxg6 4.Nxe6 Kc6 5.Nf4
  ³  (-0.48)   Depth: 12   00:00:00  32kN
1.Ng2 Nc4 2.Nf4 Nd2 3.g6 fxg6 4.Nxe6 Kc6 5.Nf4
  ³  (-0.48)   Depth: 12   00:00:00  32kN
1.Ng2 Nc4 2.Nf4 Nd2 3.g6 fxg6 4.Nxe6 Kc6 5.Nf4
  ³  (-0.48)   Depth: 12   00:00:00  32kN
1.Ng2 Nc4 2.Nf4 Nd2 3.g6 fxg6 4.Nxe6 Kc6 5.Nf4
  ³  (-0.48)   Depth: 12   00:00:00  32kN
1.Ng2 Nd7 2.Nf4 Nb8 3.Nd3 Nc6+ 4.Kc3
  ³  (-0.54)   Depth: 15   00:00:00  255kN
1.Nxf5!
  =  (-0.18)   Depth: 15   00:00:00  411kN, tb=3
1.Nxf5! Nc4 2.Nd6+ Nxd6 3.exd6 Kc6 4.Ke5 d4 5.Kf6 Kxd6 6.Kxf7 Kd7 7.g6 d3 8.cxd3
  ²  (0.47)   Depth: 15   00:00:00  411kN, tb=8
1.Nxf5!
  ±  (0.77)   Depth: 18   00:00:01  3099kN, tb=84
1.Nxf5 Nd7 2.Nd6+ Kc6 3.c4 dxc4 4.Nxf7 c3 5.Kxc3 Nf8 6.Kd4 Ng6 7.Nd6 Nf4 8.Ke4
  ±  (0.87)   Depth: 21   00:00:08  15472kN, tb=1486
1.Nxf5 Nd7 2.Nd6+ Kb6 3.c4 dxc4 4.Nxf7 Nf8 5.Kxc4 Ng6 6.Kd4 Nf8 7.Nd6
  ±  (0.91)   Depth: 24   00:00:41  67780kN, tb=8214
1.Nxf5 Nd7 2.Nd6+ Kc6 3.Nxf7 Nf8 4.Nd6 Kd7 5.c4 dxc4 6.Nxc4 Ke7 7.Nd6 Ng6 8.Ke4
Kf8
  ±  (0.88)   Depth: 26   00:01:47  177948kN, tb=25850
1.Nxf5 Nd7 2.Nd6+ Kc6 3.Nxf7 Nf8 4.Nh8 Kd7 5.g6 hxg6 6.Ke3 g5 7.Nf7 Nh7 8.Kf3
Ke7 9.Nd6 Kf8 10.Kg4
  ±  (0.98)   Depth: 28   00:05:59  631587kN, tb=113178
1.Nxf5 Nd7 2.Nd6+ Kc6 3.Nxf7 Nf8 4.Nh8 Kd7 5.g6 hxg6 6.Ke3 g5 7.Nf7 Nh7 8.Kf3
Ke7 9.Nd6 Kf8 10.Kg4
  ±  (0.98)   Depth: 28   00:06:17  671163kN, tb=115825

(W,  29.07.2002)

>In this last one, Shredder stumbles into a draw due to the strong passed black
>f-pawn. Any programs "understand" these two positions in a reasonable time, say
>within 5 minutes?
>
>Cheers,
>Jim



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