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Subject: Re: How many Amateur programs can win with white ?

Author: Jorge Pichard

Date: 11:39:46 03/11/04

Go up one level in this thread


On March 11, 2004 at 03:45:48, Uri Blass wrote:

>On March 10, 2004 at 20:19:36, Anthony Cozzie wrote:
>
>>[D]8/8/4p3/5p1k/5P1P/6P1/2r5/4RK2 w - - 0 51
>>
>>Zappa plays Re2 but thinks white has only a very moderate edge.
>>
>>1. Re1-e2 Rc2-c3 2. Kf1-f2 Kh5-g4 3. Re2-e3 Rc3-c2 4. Kf2-f1 Rc2-d2 5. Kf1-e1
>>Rd2-h2 6. Re3-d3 Rh2-g2 7. Rd3-c3 Rg2-a2 8. Ke1-f1
>> = (0.76)	Depth: 14/24	00:00:40.25	10590kN
>>
>>After Movei's Rxe6 it looks like black has an easy draw with Rc3 (Kf2 Rf3!):
>>
>>1... Rc2-c3 2. Re6-e8 Rc3xg3 3. Re8-h8 Kh5-g4 4. h4-h5 Rg3-f3 5. Kf1-e2 Rf3xf4
>>6. Ke2-e3 Rf4-a4 7. h5-h6 f5-f4 8. Ke3-d3 Ra4-a3 9. Kd3-e4 Ra3-e3 10. Ke4-d4
>>Kg4-f5
>> = (-0.35)	Depth: 14/25	00:00:26.73	8586617kN
>>
>>I can't say I understand GreKo's Kg4.
>>
>>anthony
>
>I guess that zappa used tablebases.
>
>Movei also plays Rc3 but does not evaluate correctly the KRP vs KR endgame
>in the line 1...Rc3 2.Rf6 Rxg3 3.Rxf5 Kxh4 4.Kf2
>
>The black king is at distance of 2 files from the pawn and it gives white some
>positional bonus that also does not help.
>
>Uri



Movei00_8_178  WB2 19 MB:
 1   00:00  2.07   e1e6
 2   00:00  2.25   e1e6 c2d2
 3   00:00  2.29   e1e6 c2d2 e6e7
 4   00:00  1.41   e1e6 c2c3 e6f6 c3g3 f6f5 h5h4
 4   00:00  1.42   e1e2
 4   00:00  1.42   e1e2 c2e2 f1e2 h5g4
 5   00:00  1.36   e1e2 c2e2 f1e2 h5g4 e2f2
 5   00:00  1.37   e1e6
 5   00:00  1.41   e1e6 c2c3 e6f6 c3g3 f6f5 h5h4
 6   00:00  1.71   e1e6 c2c3 e6f6 c3g3 f1f2 g3d3 f6f5 h5h4
 7   00:00  1.64   e1e6 c2c3 e6f6 c3f3 f1e2 f3g3 e2f2 g3d3 f6f5 h5h4
 8   00:00  1.64   e1e6 c2c3 e6f6 c3f3 f1e2 f3g3 e2f2 g3d3 f6f5 h5h4
 9   00:00  1.80   e1e6 c2c3 e6f6 c3f3 f1e2 f3g3 f6f5 h5h4 f5f7 h4h5 f4f5
10   00:01  1.71   e1e6 c2c3 e6f6 c3f3 f1e1 f3g3 f6f5 h5h4 e1f2 g3d3 f5f7
11   00:04  1.76   e1e6 c2c3 e6f6 c3g3 f6f5 h5h4 f1f2 g3h3 f5g5 h3d3 g5g7 d3d8
12   00:09  1.74   e1e6 c2c3 e6f6 c3g3 f6f5 h5h4 f1f2 g3g7 f5e5 g7c7 f2f3 c7c2
13   00:20  1.50   e1e6 c2c3 e6f6 c3g3 f6f5 h5h4 f1e2 g3a3 f5f7 a3a2 e2e3 a2a3
e3e4 a3a4 e4f5 a4a5 f5g6 a5a6 f7f6 a6a2
14   00:48  1.41   e1e6 c2c3 e6f6 c3g3 f6f5 h5h4 f1e2 g3a3 f5f8 a3a2 e2e3 a2a3
e3e4 a3a4 e4f5 a4a5 f5g6 h4g3 f4f5 g3f4
15   01:53  1.42   e1e6 c2c3 e6f6 c3g3 f6f5 h5h4 f1e2 h4g4 f5f8 g3a3 f4f5 a3a2
e2e3 a2a3 e3d2 a3a2 d2d3 a2a3 d3e4 g4g5
16   04:22  1.40   e1e6 c2c3 e6f6 c3g3 f6f5 h5h4 f1e2 h4g4 f5f8 g3a3 f4f5 a3a2
e2d3 a2a3 d3d4 a3a4 d4c3 a4a3 c3b4 a3a7 f5f6
17   10:24  1.33   e1e6 c2c3 e6f6 c3g3 f6f5 h5h4 f1e2 h4g4 f5f7 g3g2 e2d3 g2a2
f4f5 a2a3 d3e2 g4g5 f7f8 a3a2 e2e3 a2h2




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