Author: Thomas Logan
Date: 17:39:20 08/04/05
Go up one level in this thread
On August 04, 2005 at 18:24:58, George Tsavdaris wrote: >One of Shredder weak points is some wrong-color-Bishop endgames. >The above is just an example but of course there are thousants similar (E.Nemeth >posted many at the past) and this can probably cost at tournaments and I WONDER >WHY SMK DOESN'T FIX THIS?!?!?!? > > At the above position*** 53.bxa5? draws and should be avoided. But Shredder 8 >plays it with a high score. I don't have Shredder 9 and i don't know if this has >been corrected(i doubt) but i expect from a top program to know such simple >things.........OK, i will buy Shredder 10 because it will be the best in >engine-engine matches and will top all lists(probably) and it will find many >great moves and be great at analysis, but i expect it to be more knowledgable >from a 1500 player. > I think SMK should waste some time, fixing similar things instead of >concentrating 100% at improving pruning techniques. > > Fritz 8 for example "understands" instantly the position. Fruit 2.1 has big >problems too and plays the drawing-move thinking it is certainly winning...... > >[D]8/8/8/pp6/1P2k3/P1K5/5Bp1/8 w - - 0 53 > >Analysis by Shredder 8: >1. +- (7.44): 53.b4xa5 Ke4-d5 54.a5-a6 Kd5-c6 55.Kc3-b4 Kc6-c7 56.Kb4-c5 Kc7-c8 >57.Bf2-g1 Kc8-b8 58.Kc5-b6 Kb8-a8 59.Bg1-h2 g2-g1Q+ 60.Bh2xg1 Ka8-b8 61.a6-a7+ >Kb8-a8 62.Bg1-f2 b5-b4 63.Bf2-g1 >2. +- (4.80): 53.Bf2-b6 Ke4-d5 54.b4xa5 Kd5-c6 55.Kc3-d3 Kc6-b7 56.Kd3-e2 Kb7-c6 >57.Ke2-f2 Kc6-b7 58.Kf2xg2 Kb7-a8 59.Kg2-f2 Ka8-b8 >3. +- (3.59): 53.Bf2-c5 Ke4-d5 54.Kc3-d3 a5xb4 55.a3xb4 Kd5-e5 56.Kd3-e2 Ke5-d5 >57.Ke2-f2 Kd5-c4 58.Kf2xg2 Kc4-d3 59.Kg2-f2 Kd3-d2 >4. +- (3.21): 53.Bf2-a7 a5xb4+ 54.a3xb4 Ke4-f4 55.Kc3-d3 Kf4-f3 56.Ba7-g1 Kf3-f4 > > >*** = All analysis made, was with all 3&4 tablebases pieces and some 5 tablebase >pieces.... > >What does Shredder 9 and 8 play on your computer with all 5-piece >tablebases.......? >Does the 5-pieces (KBKKP or KPPKP) help Shredder to avoid 53.bxa5?.....? Shredder 9 with all 5 piece tablebases likes the same move Tom
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