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Subject: Re: Fritz 9 vs Fruit2.2.1(Fritz 9 Blunder)

Author: m.d.hurd

Date: 11:57:05 10/30/05

Go up one level in this thread


On October 30, 2005 at 14:18:21, John Jack wrote:

>Did Fritz 9 blunder with F6
>Two Computers were used Both set at 256MBs of Ram (BOOK)FRITZ 9 For Fritz And
>Shredder ( for Fruit2.2.1
>
>
>Fritz 9 vs Fruit 2.2.1 [D37]
>Blitz:5' New York, 30.10.2005
>[Fruit 2.2.1 10min Game]
>D37: Queen's Gambit Declined: 5 Bf4 1.d4 [1.b4 f6 2.b5] 1...Nf6 2.Nf3 d5 3.c4 e6
>4.Nc3 Be7 5.Bf4 0–0 6.e3 c5 7.dxc5 Bxc5 8.cxd5 Nxd5 9.Nxd5 exd5 10.a3 Nc6 11.Bd3
>Bb6 12.0–0 d4 13.e4 Bg4 14.h3 Bh5 15.g4 Bg6 16.Nd2 f6 17.Nc4 Bc7 18.Bxc7 Qxc7
>19.f4 Rac8 20.Rc1 Qe7N [20...Rfe8 21.Qf3 b5 22.Nd2 Qb6 23.h4 Na5 24.b4 Nc4
>25.Nxc4 bxc4 26.Rxc4 Rxc4 27.Bxc4+ Bf7 28.Bd3 Qc6 29.g5 f5 30.e5 Bd5 31.Qf2 Qc3
>32.Bxf5 Rf8 33.Bg4 Bc4 34.Rd1 d3 35.e6 Gurevich,M (2694)-Lutz,C (2587)/Forchheim
>2000/CBM 076/1–0 (46)] 21.b4 Kh8 22.Qe1 Rfe8 23.b5 Nd8 24.Qb4 Qxb4 25.axb4 Re7
>26.b6 axb6 27.Nxb6 Rb8 28.Rfe1 Nc6 29.Nd5 Rd7 30.b5 Na5 31.Nb6 Rd6 32.Nc4 Nxc4
>33.Rxc4 Rd7 34.Rec1 Kg8 35.Rc8+ Rd8 36.Rxd8+ Rxd8 37.Rc7 b6 38.Rc6 Ra8 39.Rd6
>Kf8 40.Rxd4 Ke7 41.Kf2 Ra2+ 42.Ke3 Ra3 43.Rb4 Bf7 44.h4 h5 45.gxh5 Bxh5 46.Kd4
>Be8 47.Rb1 Ra4+ 48.Kc3 Bf7 49.f5 Kd6 50.Bc2 Ra7 51.Kd4 Ra2 52.Bd3 Ra4+ 53.Ke3
>Ra3 54.Rb4 Kc5 55.Rd4 Ba2 56.Rd7 Bb1 57.Rd5+ Kb4 58.Rd4+ Kc5 59.h5 Ba2 60.Rd7
>Bb1 61.Rd8 Kb4 62.Rd6 Kc5 63.Rc6+ Kb4 64.Rc4+ Ka5 65.Rd4 Rb3 66.Kd2 Bxd3 67.Rxd3
>Rb2+ 68.Ke3 Rh2 69.Rd7 Rxh5 70.Rxg7 Rh8 71.e5 fxe5 72.f6 [¹72.Ke4±; 72.Ke4
>1.32/18  6 ] 72...Rf8= Black threatens to win material: Rf8xf6 [Inferior is
>72...Kxb5 73.Ke4±] 73.Rg6 Kxb5 74.Ke4 White threatens to win material: Ke4xe5
>74...Kc4 75.Kxe5 b5 [75...b5 76.Rg4+ Kc3=]  ½–½
>
>
>
>167: Grandmaster John,J - Fruit 2.2.1, Blitz:5' New York
>[D]7r/6R1/1p6/kP2pP2/8/4K3/8/8 w - - 0 1
>
>Analysis by Fruit 2.2.1:
>
>72.Ke4 Kxb5 73.Kxe5
>  ²  (0.68)   Depth: 2/6   00:00:00
>72.Ke4 Kxb5 73.Kxe5
>  ²  (0.68)   Depth: 3/6   00:00:00
>72.Ke4 Kxb5 73.f6 Rh5
>  ±  (0.71)   Depth: 3/7   00:00:00
>72.Ke4 Kxb5 73.f6 Rh5
>  ±  (0.71)   Depth: 5/9   00:00:00
>72.Ke4 Rh1 73.Kxe5 Re1+ 74.Kd4 Kxb5
>  ±  (0.90)   Depth: 5/10   00:00:00
>72.Ke4 Rh6 73.Kxe5 Rh5 74.Rd7 Kxb5
>  ±  (1.11)   Depth: 6/16   00:00:00  12kN
>72.f6 Kxb5 73.Ke4 Kc5 74.Kxe5 Rh5+ 75.Ke6
>  ±  (1.17)   Depth: 6/16   00:00:00  16kN
>72.f6 Rh4 73.Re7 Rf4 74.f7 Kb4 75.Kd3 Rf3+ 76.Ke4
>  ±  (1.27)   Depth: 7/17   00:00:00  46kN
>72.f6 Rh4 73.Re7 Rf4 74.f7 Kb4 75.Kd3 Rd4+ 76.Ke2 Rf4
>  ±  (1.26)   Depth: 8/17   00:00:00  61kN, tb=1
>72.f6 Rh4 73.Rg3 Rh7 74.Ke4 Kxb5 75.Rg7 Rh2 76.Kxe5 Re2+ 77.Kd5
>  ±  (1.30)   Depth: 9/18   00:00:00  110kN, tb=1
>72.f6 Rh4 73.Rg3 Rh7 74.Ke4 Kxb5 75.Rg7 Rh8 76.Kxe5 Rh5+ 77.Kd4 Rh4+ 78.Kd5
>  ±  (1.32)   Depth: 10/20   00:00:00  153kN, tb=1
>72.f6 Kxb5 73.f7 Rf8 74.Ke4 Kc5 75.Kxe5 b5 76.Ke6 b4 77.Rg5+ Kc4 78.Rg4+ Kc5
>  ±  (1.24)   Depth: 11/21   00:00:00  289kN, tb=1
>72.f6 Kxb5 73.f7 Rf8 74.Ke4 Kc5 75.Kxe5 b5 76.Ke6 b4 77.Rg5+ Kc4 78.Rg4+ Kc5
>79.Rg3
>  ±  (1.19)   Depth: 12/23   00:00:00  395kN, tb=1
>72.f6 Kxb5 73.f7 Rf8 74.Ke4 Kc5 75.Kxe5 b5 76.Ke6 b4 77.Rg1 Kc4 78.Rc1+ Kb5
>79.Rd1
>  ±  (1.29)   Depth: 13/25   00:00:00  647kN, tb=5
>72.f6 Kxb5 73.f7 Rf8 74.Ke4 Kc5 75.Kxe5 b5 76.Ke6 b4 77.Rg1 Kc4 78.Rc1+ Kd4
>79.Rd1+ Kc4 80.Rd5
>  ±  (1.22)   Depth: 14/27   00:00:01  1062kN, tb=15
>72.f6 Kxb5 73.f7 Rf8 74.Ke4 Kc5 75.Kxe5 b5 76.Kf6 b4 77.Rg4 Kb5 78.Rg1 Kc4
>79.Rc1+ Kd5 80.Rd1+ Kc5
>  ±  (1.17)   Depth: 15/43   00:00:04  3501kN, tb=204
>72.Ke4 Kxb5 73.Kxe5 Re8+ 74.Kd5 Re1 75.f6 Rd1+ 76.Ke6 Re1+ 77.Kd6 Rd1+ 78.Kc7
>Rc1+ 79.Kd8 Rd1+ 80.Rd7 Rf1 81.f7 Kc6 82.Ke8 Re1+ 83.Re7
>  +-  (1.52)   Depth: 15/43   00:00:05  4816kN, tb=272
>72.Ke4 Kxb5 73.Kxe5 Re8+ 74.Kd5 Rf8 75.Ke6 Kc5 76.f6 b5 77.Ke7 Ra8 78.Rg5+ Kc4
>79.Rg4+ Kc5 80.f7 b4 81.Rg3 Ra7+ 82.Ke6
>  +-  (1.46)   Depth: 16/43   00:00:07  5768kN, tb=414
>72.Ke4 Kxb5 73.Kxe5 Re8+ 74.Kd5 Rf8 75.Ke6 Kc5 76.f6 b5 77.Ke7 Ra8 78.Rg5+ Kc4
>79.Rg4+ Kc5 80.f7 b4 81.Rg5+ Kd4 82.Rg3 Ra7+ 83.Ke6 Ra6+ 84.Kf5
>  +-  (1.46)   Depth: 17/43   00:00:09  7495kN, tb=615
>72.Ke4 Kxb5 73.Kxe5 Re8+ 74.Kd5 Rf8 75.Ke6 Kc5 76.f6 b5 77.Ke7 Ra8 78.Rg5+ Kc4
>79.Rg4+ Kc5 80.f7 b4 81.Rg1 Ra7+ 82.Ke6 Ra8 83.Rg8
>  ±  (1.27)   Depth: 18/43   00:00:13  10800kN, tb=957


Hello John

I guess Fritz didn't think for long enough due to the time control used.
It Takes about 20 secs on my computer for fritz to find Ke4.
New game - Fritz 9, 40'/40+40'/40+40'
7r/6R1/1p6/kP2pP2/8/4K3/8/8 w - - 0 1

Analysis by Fritz 9:

1.Ke4 Kxb5 2.f6 Kc6 3.Re7 Kd6 4.Rxe5
  ²  (0.59)   Depth: 7/16   00:00:00  25kN
1.f6!
  ²  (0.60)   Depth: 7/20   00:00:00  38kN
1.f6 Rh1 2.f7 Rf1 3.Ke4 Kxb5
  ²  (0.70)   Depth: 7/20   00:00:00  46kN
1.f6 Rf8 2.f7 Kxb5 3.Ke4 Kc5 4.Kxe5 b5 5.Ke6 Rb8
  ²  (0.67)   Depth: 8/21   00:00:00  72kN
1.f6 Rh4 2.Re7 Rf4 3.f7 Rf1 4.Ke4 Kxb5 5.Kxe5
  ±  (0.82)   Depth: 9/25   00:00:00  155kN
1.f6 Rf8 2.f7 Kxb5 3.Ke4 Kc6 4.Kxe5 b5 5.Ke6 b4 6.Rg3
  ±  (0.82)   Depth: 10/24   00:00:00  326kN
1.f6 Rh4 2.Rg3 Rh7 3.Ke4 Kxb5 4.Kxe5 Kc4 5.Ke6 Rh8 6.Ke7
  ±  (0.99)   Depth: 11/31   00:00:00  721kN, tb=1
1.f6 Rh4 2.Rg3 Rh8 3.f7 Rf8 4.Rg7
  ±  (1.11)   Depth: 12/28   00:00:01  1332kN, tb=4
1.f6 Rh4 2.Rg2 Rh8 3.Ke4 Kxb5 4.Kxe5 Kc6 5.f7 Rf8 6.Ke6 b5 7.Rf2
  ±  (1.16)   Depth: 13/43   00:00:02  2679kN, tb=13
1.f6 Rh4 2.Rg2 Rh8 3.Ke4 Kxb5 4.Kxe5 Rf8 5.Ke6 Re8+ 6.Kd7 Rb8 7.Rf2 Kc5 8.f7
  ±  (1.22)   Depth: 14/41   00:00:03  4576kN, tb=31
1.f6 Rh4 2.Rg2 Rh8 3.Ke4 Kxb5 4.Kxe5 Rf8 5.Ke6 Re8+ 6.Kd7 Re1 7.Rf2
  ±  (1.35)   Depth: 15/46   00:00:06  8718kN, tb=112
1.f6 Rh4 2.Rg2 Rh8 3.Ke4 Kxb5 4.Kxe5 Rf8 5.Ke6 Re8+ 6.Kd7 Rf8 7.Ke7
  +-  (1.55)   Depth: 16/57   00:00:12  16024kN, tb=247
1.Ke4!
  +-  (1.56)   Depth: 16/57   00:00:20  26754kN, tb=573
1.Ke4!
  +-  (1.71)   Depth: 16/57   00:00:29  38833kN, tb=620
1.Ke4!
  +-  (2.00)   Depth: 17/55   00:00:42  56388kN, tb=1332
1.Ke4!
  +-  (2.28)   Depth: 17/59   00:01:04  91432kN, tb=1856
1.Ke4 Kxb5 2.f6 Rf8 3.Kxe5 Ka4 4.Ra7+ Kb3 5.f7 b5 6.Rb7 b4 7.Kf6 Ka3 8.Ke7 Rxf7+
9.Kxf7 b3 10.Ke6 b2
  +-  (2.44)   Depth: 17/59   00:01:22  117752kN, tb=2714
1.Ke4 Kxb5 2.f6 Kc4 3.Rc7+ Kb3 4.Kxe5 b5 5.f7 b4 6.Ke6 Rf8 7.Rd7 Kc2 8.Rc7+ Kd3
9.Ke7
  +-  (2.27)   Depth: 18/79   00:01:47  150845kN, tb=4820

(30.10.2005)

Regards

Mike



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