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Subject: disappointed by the fruit operator

Author: Uri Blass

Date: 06:28:02 12/27/05

I wonder why the fruit operator agreed to early draw against isichess.

public Fruit evaluates the final position as more than +3 for white

Here is the analysis

Fruit 05/11/03 - Isichess, Blitz:110' Uni-Paderborn 2005
8/3k1b2/2r2P1Q/K3p3/4P3/8/8/8 w - - 0 1

Analysis by Fruit 2.2.1:

118.Qd2+ Rd6
  +-  (3.29)   Depth: 1/6   00:00:03
118.Qd2+ Rd6 119.Qf2
  +-  (2.97)   Depth: 2/6   00:00:03
118.Kb5 Bc4+ 119.Kb4
  +-  (3.00)   Depth: 2/6   00:00:03
118.Qg5 Rc5+ 119.Kb6
  +-  (3.04)   Depth: 2/7   00:00:03
118.Qg7 Rc5+ 119.Kb4
  +-  (3.06)   Depth: 2/8   00:00:03
118.Qg7 Rc5+ 119.Kb4 Rc4+ 120.Kb5
  +-  (3.15)   Depth: 3/8   00:00:03
118.Qg7 Ke8 119.Qg3 Rxf6 120.Qxe5+ Re6
  +-  (3.14)   Depth: 4/10   00:00:03
118.Qg5 Kd6 119.Qe3 Rc5+ 120.Kb4
  +-  (3.22)   Depth: 4/11   00:00:03
118.Qg5 Ke6 119.Kb5 Rc2 120.Kb4
  +-  (3.19)   Depth: 5/14   00:00:03
118.Kb5 Rc2 119.Qh3+ Ke8 120.Qe3 Bc4+ 121.Kb4
  +-  (3.22)   Depth: 5/14   00:00:03
118.Kb5 Rc2 119.Qh3+ Kc7 120.Qe3 Rb2+ 121.Ka5 Ra2+ 122.Kb4 Rb2+ 123.Kc5
  +-  (3.24)   Depth: 6/14   00:00:03  31kN
118.Kb5 Bc4+ 119.Kb4 Bf7 120.Qh3+ Kc7 121.Qf3 Rb6+ 122.Ka4 Rb8
  +-  (3.23)   Depth: 7/19   00:00:03  64kN
118.Kb5 Bc4+ 119.Kb4 Bf7 120.Qh3+ Kc7 121.Qf5 Kd6 122.Kb5 Rc5+ 123.Kb4
  +-  (3.16)   Depth: 8/20   00:00:03  103kN, tb=2
118.Qg5 Ke6 119.Qf5+ Kd6 120.Qf2 Rc5+ 121.Kb4 Rc4+ 122.Kb5 Rd4 123.Qf3 Bc4+
124.Kb6
  +-  (3.30)   Depth: 8/20   00:00:04  139kN, tb=2
118.Qg5 Ke6 119.Qf5+ Kd6 120.Qf2 Rc5+ 121.Kb4 Rc4+ 122.Kb5 Rd4 123.Qf3 Kc7
124.Kc5
  +-  (3.29)   Depth: 9/24   00:00:04  207kN, tb=2
118.Qg5 Ke6 119.Qf5+ Kd6 120.Qf2 Rc5+ 121.Kb4 Rc4+ 122.Kb5 Rd4 123.Ka5 Kc6
124.Qf5 Kd6
  +-  (3.22)   Depth: 10/24   00:00:04  320kN, tb=2
118.Kb5 Bc4+ 119.Kb4 Bf7 120.Qd2+ Ke8 121.Qg5 Rc4+ 122.Ka5 Rxe4 123.Qf5 Rc4
124.Qxe5+ Kf8 125.Qe7+ Kg8
  +-  (3.30)   Depth: 10/24   00:00:04  584kN, tb=2
118.Kb5 Bc4+ 119.Kb4 Bf7 120.Qd2+ Ke8 121.Qg5 Rc4+ 122.Ka5 Rxe4 123.Qf5 Rc4
124.Qxe5+ Kf8 125.Qe7+ Kg8 126.Kb5
  +-  (3.26)   Depth: 11/26   00:00:04  810kN, tb=2
118.Kb5 Bc4+ 119.Kb4 Bf7 120.Qd2+ Kc7 121.Qg5 Kd6 122.Qe3 Ke6 123.Qf3 Rc7
124.Qf2 Rb7+ 125.Kc3
  +-  (3.31)   Depth: 12/28   00:00:05  1406kN, tb=3
118.Kb5 Bc4+ 119.Kb4 Bf7 120.Qd2+ Kc7 121.Qf2 Kd8 122.Kb5 Kd7 123.Qa7+ Rc7
124.Qb8 Be6 125.Qf8 Rb7+ 126.Kc5 Rc7+ 127.Kb4
  +-  (3.29)   Depth: 13/30   00:00:06  2325kN, tb=7
118.Kb5 Bc4+ 119.Kb4 Bf7 120.Qd2+ Kc7 121.Qf2 Kd8 122.Kb5 Rd6 123.Qf3 Kd7
124.Qg4+ Kd8 125.Qg7 Ke8 126.Kc5
  +-  (3.28)   Depth: 14/33   00:00:08  3383kN, tb=23
118.Kb5 Bc4+ 119.Kb4 Bf7 120.Qd2+ Kc7 121.Qf2 Kd8 122.Kb5 Rd6 123.Kc5 Kc7
124.Qf5 Re6 125.Qg5 Rc6+ 126.Kb5 Bc4+ 127.Kb4
  +-  (3.28)   Depth: 15/34   00:00:09  5002kN, tb=42
118.Kb5 Bc4+ 119.Kb4 Bf7 120.Qd2+ Kc7 121.Qf2 Kd8 122.Ka5 Ke8 123.Qh4 Rd6
124.Kb5 Kd7 125.Qg4+ Kd8 126.Qg7 Ke8 127.Kc5
  +-  (3.28)   Depth: 16/36   00:00:15  9858kN, tb=140
118.Kb5 Re6 119.Qh3 Ke8 120.Kc5 Rxf6 121.Qc8+ Ke7 122.Qc7+ Kf8 123.Qxe5 Kg7
124.Qg3+ Rg6 125.Qc3+ Kg8 126.e5 Be6 127.Qf3 Kg7 128.Qc6 Rh6 129.Qg2+ Kf7
  +-  (2.93)   Depth: 17/42   00:00:45  40116kN, tb=547
118.Qg5 Ke6 119.Qf5+ Kd6 120.Qf2 Ke6 121.Kb5 Rc7 122.Qb6+ Kd7 123.Ka5 Be6
124.Qe3 Bc4 125.Qf3 Ra7+ 126.Kb6 Ra6+ 127.Kb7 Ke8 128.f7+ Kf8 129.Qf2
  +-  (3.16)   Depth: 17/42   00:00:58  55882kN, tb=729
118.Qg5 Ke6 119.Qf5+ Kd6 120.Qf2 Ke6 121.Kb5 Rc7 122.Kb6 Rc3 123.Qf1 Ra3 124.Kc5
Be8 125.Qf5+ Kf7 126.Qh7+ Kxf6 127.Qf5+ Ke7 128.Qxe5+ Kf8 129.Kd4 Ra2 130.Qc5+
Kg7
  +-  (2.97)   Depth: 18/46   00:01:35  98044kN, tb=1446
118.Qh8 Rc5+ 119.Kb6 Rc3 120.Qg7 Rb3+ 121.Kc5 Ke6 122.Qh8 Rc3+ 123.Kb4 Rf3
124.Qd8 Rxf6 125.Kc5 Bg6 126.Qd5+ Ke7 127.Qxe5+ Re6 128.Qc7+ Kf6 129.Qf4+ Ke7
130.Qg5+ Ke8 131.e5
  +-  (3.01)   Depth: 18/46   00:01:47  112322kN, tb=1820
118.Qh8 Rc5+ 119.Kb6 Rc3 120.Qg7 Rb3+ 121.Kc5 Ke6 122.Qh8 Rc3+ 123.Kb4 Rf3
124.Qd8 Rxf6 125.Kc5 Bg6 126.Qd5+ Ke7 127.Qxe5+ Re6 128.Qc7+ Ke8 129.e5 Bf5
130.Qc8+ Kf7 131.Qb7+ Re7 132.Qd5+ Re6
  +-  (3.04)   Depth: 19/46   00:01:59  123368kN, tb=2464
118.Qh8 Rc5+ 119.Kb6 Rc3 120.Qg7 Rb3+ 121.Kc5 Ke6 122.Qh8 Rc3+ 123.Kb4 Rf3
124.Qd8 Rxf6 125.Kc5 Bg6 126.Qd5+ Ke7 127.Qxe5+ Re6 128.Qg5+ Ke8 129.Qd5 Bf7
130.Qa8+ Ke7 131.Qb7+ Kf8 132.Qb8+ Kg7
  +-  (3.04)   Depth: 20/46   00:02:21  143902kN, tb=3771
118.Qh8 Rc5+ 119.Kb6 Rc3 120.Qg7 Rb3+ 121.Kc5 Ke6 122.Qf8 Kxf6 123.Qd8+ Kg7
124.Qg5+ Kf8 125.Qxe5 Rb1 126.Qd6+ Kg7 127.e5 Rc1+ 128.Kb4 Rc4+ 129.Ka3 Re4
130.Kb2 Kg8 131.Qe7 Kg7 132.Qf6+ Kf8
  +-  (3.06)   Depth: 21/46   00:03:18  189934kN, tb=7287
118.Qh8 Rc5+ 119.Kb6 Rc3 120.Qg7 Rb3+ 121.Kc5 Ke6 122.Qf8 Kxf6 123.Qd8+ Kg7
124.Qg5+ Kf8 125.Qxe5 Rb1 126.Qd6+ Kg7 127.e5 Rc1+ 128.Kb4 Rc4+ 129.Ka3 Re4
130.Kb2 Re1 131.Qf6+ Kg8 132.Qf3 Rg1
  +-  (3.07)   Depth: 22/49   00:04:35  242505kN, tb=11814

(,  27.12.2005)

No data at depth 23 for a long time after fruit searched 2,100,000,000 nodes

After following some moves in the main line I get the following analysis

Fruit 05/11/03 - Isichess, Blitz:110' Uni-Paderborn 2005
8/5bQ1/4kP2/2K1p3/4P3/1r6/8/8 w - - 0 1

Analysis by Fruit 2.2.1:

122.Qg5 Rc3+ 123.Kb4
  +-  (3.19)   Depth: 1/6   00:00:00
122.Qg5 Rc3+ 123.Kb4
  +-  (3.19)   Depth: 2/6   00:00:00
122.Qg5 Rc3+ 123.Kb4 Rd3
  +-  (3.44)   Depth: 3/10   00:00:00
122.Qg5 Rc3+ 123.Kb4 Rc2 124.Kb3
  +-  (3.14)   Depth: 4/10   00:00:00
122.Qg5 Rc3+ 123.Kb4 Rc2 124.Qg7 Rb2+ 125.Kc4 Rc2+ 126.Kd3
  +-  (3.06)   Depth: 5/12   00:00:00
122.Qg5 Rc3+ 123.Kb4 Rc2 124.Qg7 Rd2 125.Kc5 Rc2+ 126.Kb5
  +-  (3.04)   Depth: 6/16   00:00:00  4kN
122.Qg5 Rc3+ 123.Kb4 Rc2 124.Qg7 Rc1 125.Kb3 Rb1+ 126.Kc4 Rc1+ 127.Kb4
  +-  (3.07)   Depth: 7/18   00:00:00  12kN
122.Qg5 Rc3+ 123.Kb4 Rc2 124.Qg7 Rc7 125.Qh6 Rb7+ 126.Kc5 Rc7+ 127.Kb6
  +-  (3.05)   Depth: 8/20   00:00:00  26kN
122.Qg5 Rc3+ 123.Kb4 Rc2 124.Qh4 Kd6 125.Qh1 Rb2+ 126.Kc3 Rb3+ 127.Kc2 Be6
  +-  (2.98)   Depth: 9/22   00:00:00  121kN
122.Qh8 Rc3+ 123.Kb4 Rf3 124.Qd8 Rxf6 125.Kc5 Bg6 126.Qd5+ Ke7 127.Qxe5+ Re6
128.Qc7+ Kf6 129.Qf4+ Kg7
  +-  (3.13)   Depth: 9/22   00:00:00  145kN
122.Qh8 Rc3+ 123.Kb4 Rf3 124.Qd8 Rxf6 125.Kc5 Bg6 126.Qd5+ Ke7 127.Qxe5+ Kf7
128.Qc7+ Ke8 129.Kd4
  +-  (3.06)   Depth: 10/24   00:00:00  212kN
122.Qh8 Rc3+ 123.Kb4 Rf3 124.Qd8 Rxf6 125.Kc5 Bg6 126.Qd5+ Ke7 127.Qxe5+ Re6
128.Qc7+ Kf8 129.e5 Be4
  +-  (2.96)   Depth: 11/30   00:00:00  618kN
122.Qg4+ Kxf6 123.Qf5+ Ke7 124.Qxe5+ Be6 125.Qc7+ Bd7 126.Qd6+ Kd8 127.e5 Rc3+
128.Kd4 Rc6 129.Qb8+ Ke7 130.Qb4+ Kf7 131.Qb3+ Ke7 132.Qa3+ Kf7 133.Qf3+ Ke7
  +-  (3.00)   Depth: 11/30   00:00:01  1707kN, tb=1
122.Qf8 Kxf6 123.Qd8+ Kg7 124.Qg5+ Kf8 125.Qxe5 Rb1 126.Qd6+ Kg7 127.e5 Rc1+
128.Kb4 Rc4+ 129.Kb5 Rc3 130.Qf6+ Kf8
  +-  (3.06)   Depth: 11/30   00:00:01  1781kN, tb=1
122.Qf8 Kxf6 123.Qd8+ Kg7 124.Qg5+ Kf8 125.Qxe5 Rb1 126.Qd6+ Kg7 127.e5 Rc1+
128.Kb4 Rb1+ 129.Kc3 Rb3+ 130.Kd4 Rf3
  +-  (3.10)   Depth: 12/30   00:00:02  1781kN, tb=1
122.Qf8 Kxf6 123.Qd8+ Kg7 124.Qg5+ Kf8 125.Qxe5 Rb1 126.Qd6+ Kg8 127.e5 Rc1+
128.Kb4 Rc4+ 129.Ka3 Re4 130.Kb2 Kg7 131.Qf6+ Kf8
  +-  (3.06)   Depth: 13/30   00:00:02  2103kN, tb=1
122.Qf8 Kxf6 123.Qd8+ Kg7 124.Qg5+ Kf8 125.Qxe5 Rb1 126.Qd6+ Kg7 127.e5 Rc1+
128.Kb4 Rc4+ 129.Kb5 Re4 130.Qf6+ Kf8 131.Qf5 Rd4
  +-  (3.08)   Depth: 14/32   00:00:03  4037kN, tb=9
122.Qf8 Kxf6 123.Qd8+ Kg7 124.Qg5+ Kf8 125.Qxe5 Rb1 126.Qd6+ Kg7 127.e5 Rc1+
128.Kb5 Be8+ 129.Kb4 Rc6 130.Qd4 Kf7 131.Qf4+ Ke7 132.Qh4+ Ke6
  +-  (3.07)   Depth: 15/35   00:00:04  5427kN, tb=27
122.Qg4+ Kxf6 123.Qf5+ Ke7 124.Qxe5+ Be6 125.Qd6+ Kf7 126.Qc7+ Kf8 127.Kd6 Bf7
128.Qc8+ Kg7 129.Ke7 Bg6 130.Qf8+ Kh7 131.e5 Rb7+ 132.Kd6 Rf7 133.Qa8 Kg7 134.e6
  +-  (3.15)   Depth: 15/36   00:00:05  6535kN, tb=68
122.Qg4+ Kxf6 123.Qf5+ Ke7 124.Qxe5+ Be6 125.Qd6+ Kf7 126.Qc7+ Kf8 127.Kd6 Bf7
128.Qc8+ Kg7 129.Ke7 Bg6 130.Qf8+ Kh7 131.e5 Rb7+ 132.Kd6 Rf7 133.Qc8 Be4 134.e6
Rf2
  +-  (3.30)   Depth: 16/39   00:00:07  8467kN, tb=201
122.Qg4+ Kxf6 123.Qf5+ Ke7 124.Qxe5+ Be6 125.Qd6+ Kf7 126.Qc7+ Kf8 127.Kd6 Bf7
128.Qc8+ Kg7 129.Ke7 Bg6 130.Qf8+ Kh7 131.e5 Rb7+ 132.Kd6 Rf7 133.Qc8 Be4 134.e6
Rf6 135.Qc5
  +-  (3.38)   Depth: 17/39   00:00:07  8919kN, tb=201
122.Qg4+ Kxf6 123.Qf5+ Ke7 124.Qxe5+ Be6 125.Qd6+ Kf7 126.Qc7+ Kf8 127.Kd6 Bf7
128.Qc8+ Kg7 129.Ke7 Bg6 130.Qf8+ Kh7 131.e5 Rc3 132.Kd6 Rd3+ 133.Kc5 Rc3+
134.Kd4 Rd3+ 135.Kc4 Rd7 136.e6 Bd3+ 137.Kc5 Rc7+
  +-  (3.38)   Depth: 18/43   00:00:17  16841kN, tb=1388
122.Qg4+ Kxf6 123.Qf5+ Ke7 124.Qxe5+ Be6 125.Qd6+ Kf7 126.Qc7+ Kf8 127.Kd6 Bf7
128.Qc8+ Kg7 129.Ke7 Bg6 130.Qf8+ Kh7 131.e5 Rc3 132.Qf2 Kg7 133.e6 Rd3 134.Qb2+
Kh6 135.Kf6 Rf3+ 136.Ke5 Re3+ 137.Kd6
  +-  (3.55)   Depth: 19/47   00:00:38  37940kN, tb=3895

(,  27.12.2005)

• Re: disappointed by the fruit operator (btw congrats Gerd!) Daniel Mehrmannn 08:22:36 12/27/05
  • Re: disappointed by the fruit operator (btw congrats Gerd!) Uri Blass 08:33:40 12/27/05
    • Re: disappointed by the fruit operator (btw congrats Gerd!) Thomas Lagershausen 08:37:18 12/27/05
      • Re: disappointed by the fruit operator (btw congrats Gerd!) Uri Blass 08:46:55 12/27/05
• Re: disappointed by the fruit operator(diagram) Uri Blass 06:33:48 12/27/05
  • Re: disappointed by the fruit operator(diagram) Yuriy Lyapko 06:42:20 12/27/05
    • Re: disappointed by the fruit operator(diagram) Uri Blass 07:07:11 12/27/05
    • Re: disappointed by the fruit operator(diagram) Thomas Lagershausen 06:45:59 12/27/05
      • Re: disappointed by the fruit operator(diagram) rait 09:43:33 12/27/05

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