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Subject: Re: Fruit 2.1 simple mating problem?

Author: Uri Blass

Date: 16:30:23 06/25/05

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On June 25, 2005 at 17:51:42, Ralph Patriquin wrote:

>On June 25, 2005 at 16:45:36, Ralph Patriquin wrote:
>
>>I let The King 3.33 and Fruit 2.1 play out the most recent Adams-Hydra game from
>>the point of Adams' resignation. Fruit got to King and Rook vs King, and doesn't
>>seem to know how to mate! Anyone else seen this problem? This is under the Arena
>>GUI.
>>
>>Ralph
>
>Well, Fruit finally figured it out, but it sure took a while. Here's the pgn:
>
>[Event "Adams(GM) - Hydra(C)"]
>[Site "London, England"]
>[Date "2005.06.25"]
>[Round "?"]
>[White "The King 3.33"]
>[Black "Fruit 2.1"]
>[Result "0-1"]
>[ECO "B23"]
>[Opening "Sicilian"]
>[Variation "Closed, 1.e4 c5 2.Nc3 d6 3.Nge2"]
>[TimeControl "6000+30"]
>[Termination "normal"]
>[PlyCount "192"]
>[WhiteType "program"]
>[BlackType "program"]
>
>1.e4 c5 2.Nc3 d6 3.Nge2 Nf6 4.g3 g6 5.Bg2 Nc6 6.d4 cxd4 7.Nxd4 Nxd4 8.Qxd4 Bg7
>9.O-O O-O 10.a4 Qa5 11.Qd3 Bd7 12.Nd5 Nxd5 13.Qxd5 Qxd5 14.exd5 Bf6 15.c3 a5
>16.Re1
>Rfb8 17.Bf1 b5 18.axb5 Bxb5 19.Bxb5 Rxb5 20.Rd1 Rc8 21.Ra4 Rcc5 22.c4 Rb3 23.Be3
>Rc8
>24.Bd4 Kg7 25.Kf1 Bxd4 26.Rxd4 Rxb2 27.Rxa5 f5 28.Ra7 Kf6 29.g4 Rb4 30.g5+ Kxg5
>31.Rxe7 Rcxc4 32.Rxc4 Rxc4 33.Rxh7 Kf6 34.Rd7 Ke5 35.Rg7 Rg4 36.f3 Rg5 37.Kf2
>Kxd5
>38.h4 Rh5 39.Kg3 Rh6 40.Re7 Kd4 41.Re1 d5 42.Rd1+ Ke5 43.Re1+ Kd6 44.Rd1 Rh5
>45.Ra1
>Kc5 46.Rc1+ Kb4 47.Rd1 Kc4 48.Rc1+ Kd3 49.Rc6 Rh6 50.h5 f4+
>51.Kg2 {-1.38/15 110}	Rxh5 {+2.81/19 31}	52.Rxg6 {-2.15/15 272}	d4 {+3.32/22
>126}
>53.Rf6 {-2.13/14 111}	Kc3 {+3.52/21 130}	54.Rc6+ {-2.27/15 157}	Kd2 {+3.53/22
>120}
>55.Rf6 {-2.29/13 65}	d3 {+4.47/20 91}		56.Kf2 {-2.83/13 107}	Rh2+ {+4.79/22 158}
>57.Kg1 {-2.35/14 35}	Re2 {+4.88/22 110}	58.Kf1 {-2.83/14 75}	Ke3 {+4.88/21 105}
>59.Re6+ {-2.51/15 72}	Kxf3 {+5.55/22 100}	60.Rd6 {-4.11/15 112}	Ke3 {+5.66/22
>99}
>61.Re6+ {-4.08/14 86}	Kd2 {+5.74/22 40}		62.Rc6 {-2.81/14 74}	Re1+ {+5.81/23 99}
>63.Kf2 {-2.57/13 35}	Rc1 {+5.79/18 84}		64.Rd6 {-5.59/15 259}	Kc2 {+5.78/16 98}
>65.Kf3 {-5.59/14 179}	d2 {+5.78/13 36}		66.Kxf4 {-5.58/13 49}	d1=Q {+5.79/13
>126}
>67.Rxd1 {-5.44/17 34}	Rxd1 {+5.79/13 92}	68.Ke3 {-5.21/19 197}	Kc3 {+M15/22 61}
>69.Ke4 {-5.19/17 65}	Kc4 {+6.02/12 264}


I suspect that the computer was slowed down for some reason.

depth 12 in 264 seconds after seeing mate at depth 22 in the previous move is
strange.

Uri



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