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Subject: Re: New Tough Endgame Test Suite

Author: Jarkko Pesonen

Date: 22:29:15 06/01/00

Go up one level in this thread


On May 28, 2000 at 02:37:33, Ed Schröder wrote:

>On May 28, 2000 at 00:38:15, Eelco de Groot wrote:
>
>>The output from Rebel 10 engine for ECTool, Celeron 500MHz, finds Kg3 in just
>>under 19 minutes:
>>
>>Rebel Engine for ECTool. (c) Ed Schröder
>>
>>Engine version   :  REBEL 9/10
>>Hash table size  :  13 Mb
>>Analysis mode   :  Analyzing next move
>>Refresh interval : 1000 ms
>>
>>Game begin
>>
>>00:00  09.00  0.50  Kf3-e2 Rc6xc3 Rh7-d7 Rc3-a3 Rd7xd5 Ra3-a2+ Ke2-d3
>>00:01  10.00  0.49  Kf3-e2 Rc6xc3 Rh7-d7 Rc3-c4 Rd7xd5 c7-c6 Rd5xf5+
>>00:03  11.00  0.41  Kf3-e2 Rc6xc3 Rh7-d7 c7-c6 Rd7xa7 Rc3-c4 Ke2-d3
>>00:07  12.00  0.43  Kf3-e2 Rc6xc3 Rh7-d7 c7-c6 Rd7xa7 Rc3-c4 a4-a5
>>00:12  13.00  0.43  Kf3-e2 Rc6xc3 Rh7-d7 c7-c6 Rd7xa7 Rc3-c4 a4-a5
>>00:21  14.00  0.39  Kf3-e2 Rc6xc3 Rh7-d7 c7-c6 Rd7xa7 Rc3-c4 a4-a5
>>00:47  15.00  0.34  Kf3-e2 Rc6xc3 Rh7-d7 c7-c6 Rd7xa7 Rc3-c4 Ke2-e3
>>02:01  16.00  0.30  Kf3-e2 Rc6xc3 Rh7-d7 c7-c6 Rd7xa7 Rc3-c4 Ke2-e3
>>05:53  17.00  0.27  Kf3-e2 Rc6xc3 Rh7-d7 c7-c6 Rd7xa7 Rc3-c4 Ke2-e3
>>11:21  18.00  0.27  Kf3-e2 Rc6xc3 Rh7-d7 c7-c6 Rd7xa7 Rc3-c4 Ke2-e3
>>18:56  18.07  0.27  Kf3-g3
>>20:10  18.07  0.49  Kf3-g3 Rc6xc3+ Kg3-h4 Rc3-a3 g5-g6 Ra3xa4 Kh4-g5
>>34:56  19.00  0.66  Kf3-g3 Rc6xc3+ Kg3-h4 c7-c5 g5-g6 c5xd4 Rh7-f7+ (00:34:56)
>>53:54  20.00  0.66  Kf3-g3 Rc6xc3+ Kg3-h4 Rc3-c1 Kh4-h5 Rc1-d1  Kh5-g6
>>(01:53:54)
>>
>>Can White actually promote the g-pawn?
>
>I am not sure if Kg3 is winning. On the other hand if Capablanca
>say so. The latest engine running under ECTOOL6 (beta) find Kg3
>much quicker. Don't ask me why as I can't remember to have made
>any changes here. But perhaps it is search related and here a lot
>has changed.
>
>00:00  08.01  0.51  1.Ke2 Rxc3 2.Rd7 Rc2+ 3.Kd3 Ra2 4.Rxd5 Rxa4 5.Rxf5
>00:01  09.00  0.51  1.Ke2 Rxc3 2.Rd7 Rc2+ 3.Kd3 Ra2 4.Rxd5 Rxa4 5.Rxf5+ Kg7
>00:02  10.00  0.39  1.Ke2 Rxc3 2.Rd7 Ra3 3.Rxd5 Rxa4 4.Rxf5+ Kg7 5.Rd5+ c6
>00:06  11.00  0.40  1.Ke2 Rxc3 2.Rd7 c6 3.Rxa7 Rc4 4.a5 bxa5 5.Kd3+ a4 6.Ke3
>00:17  12.00  0.32  1.Ke2 Rxc3 2.Rd7 c6 3.Rxa7 Rc4 4.a5 bxa5 5.Ke3 a4 6.Kd3 c5
>00:45  13.00  0.31  1.Ke2 Rxc3 2.Rd7 c6
>02:00  14.00  0.31  1.Ke2 Rxc3 2.Rd7
>03:16  14.02  0.38  1.Kg3 Rxc3+ 2.Kh4 Ra3 3.g6 Rxa4 4.Kg5 Rc4 5.Rf7+
>07:48  15.00  0.35  1.Kg3 Kg8 2.Rd7 Rxc3+ 3.Kh4 Rf3 4.g6 Rxf4+ 5.Kg5 Re4 6.Rxd5
>19:48  16.00  0.73  1.Kg3 Kg8 2.Rd7 Rxc3+ 3.Kh4 Rf3 4.g6 Rxf4+ 5.Kg5 Re4 6.Rxd5
>c5 7.dxc5 bxc5
>
>Tested while reading CCC on a Athlon 600 and 60 Mb hash.
>
>Ed
>
>
>
>>Pete, on the subject of trolling, Yahoo found 343 sites! Trolley sites from
>>Pennsylvania to Vancouver, churches in Trollhättan in Sweden, alt.troll on
>>Usenet.. I remember these troll-dolls from the 70s with the long hair in
>>fluorescent green and orange, there was a whole family you could collect. Looked
>>great beside the lava-lamp. Hip, man! They were also characters in a comic
>>strip.
>>
>>Some more about the mythological characters on this site
>>http://www.ping.be/john_botofte/welcome.html
>>
>>Okay, this can be considered trolling, better back on topic again.
>>
>>Eelco


Pentium II 350 MHz

White(1): info
Crafty version 17.10
hash table memory =         3M bytes.
pawn hash table memory =    1M bytes.
EGTB cache memory =         1M bytes.

evaluation asymmetry -20

                9     1.06   0.34   1. Rd7 Rxc3+ 2. Ke2 Rc2+ 3. Kd3 Rf2
                                    4. Ke3 Ra2 5. Rxd5 Ra3+ 6. Kd2 Ra2+
                                    7. Kc3 <HT>
                9->   1.49   0.34   1. Rd7 Rxc3+ 2. Ke2 Rc2+ 3. Kd3 Rf2
                                    4. Ke3 Ra2 5. Rxd5 Ra3+ 6. Kd2 Ra2+
                                    7. Kc3 <HT>
               10     1.95   0.34   1. Rd7 Rxc3+ 2. Ke2 Rc2+ 3. Kd3 Rf2
                                    4. Ke3 Ra2 5. Rxd5 Ra3+ 6. Kd2 Ra2+
                                    7. Kc3 <HT>
               10->   3.12   0.34   1. Rd7 Rxc3+ 2. Ke2 Rc2+ 3. Kd3 Rf2
                                    4. Ke3 Ra2 5. Rxd5 Ra3+ 6. Kd2 Ra2+
                                    7. Kc3 <HT>
               11     4.07   0.34   1. Rd7 Rxc3+ 2. Ke2 Rc2+ 3. Kd3 Rf2
                                    4. Ke3 Ra2 5. Rxd5 Ra3+ 6. Kd2 Ra2+
                                    7. Kc3 <HT>
               11->   6.91   0.34   1. Rd7 Rxc3+ 2. Ke2 Rc2+ 3. Kd3 Rf2
                                    4. Ke3 Ra2 5. Rxd5 Ra3+ 6. Kd2 Ra2+
                                    7. Kc3 <HT>
               12    11.47   0.57   1. Rd7 Rxc3+ 2. Ke2 Rc4 3. Rxd5 Kg7
                                    4. Rxf5 Rxd4 5. a5 c5 6. Ke3 Ra4 7.
                                    axb6 axb6
               12->  17.52   0.57   1. Rd7 Rxc3+ 2. Ke2 Rc4 3. Rxd5 Kg7
                                    4. Rxf5 Rxd4 5. a5 c5 6. Ke3 Ra4 7.
                                    axb6 axb6
               13    31.08   0.59   1. Rd7 Rxc3+ 2. Ke2 Ra3 3. Rxd5 Kg7
                                    4. Rxf5 a5 5. d5 Rxa4 6. Kf3 Ra3+ <HT>
               13->  56.95   0.59   1. Rd7 Rxc3+ 2. Ke2 Ra3 3. Rxd5 Kg7
                                    4. Rxf5 a5 5. d5 Rxa4 6. Kf3 Ra3+ <HT>
               14     1:33   0.63   1. Rd7 Rxc3+ 2. Ke2 Ra3 3. Rxd5 Kg7
                                    4. Rxf5 a5 5. Rf6 Rxa4 6. Kd3 Ra1 7.
                                    d5 Rd1+ 8. Ke4 a4
               14->   3:24   0.63   1. Rd7 Rxc3+ 2. Ke2 Ra3 3. Rxd5 Kg7
                                    4. Rxf5 a5 5. Rf6 Rxa4 6. Kd3 Ra1 7.
                                    d5 Rd1+ 8. Ke4 a4
               15     6:50   0.55   1. Rd7 Rxc3+ 2. Ke2 c6 3. Rxa7 Rc2+
                                    4. Kd3 Rf2 5. Ke3 Ra2 6. Ra6 Ra3+ 7.
                                    Kd2 <HT>
               15     8:39     ++   1. Kg3!!
               15->  13:31   0.94   1. Kg3
               16    18:19   1.09   1. Kg3 Rxc3+ 2. Kh4 Rc2 3. Kh5 Rd2
                                    4. Rxc7 Rxd4 5. Kg6 Rxf4 6. Kf6 Ke8
                                    7. Rxa7 Kd8 8. Ke5 Rh4 9. Kxf5 d4

Crafty version 17.10
hash table memory =        24M bytes.
pawn hash table memory =    1M bytes.
EGTB cache memory =         1M bytes.

evaluation asymmetry -20

         nss  depth   time  score   variation (1)
                9     0.53  -0.56   1. Kg3 Rxc3+ 2. Kf2 Rd3 3. g6 Rxd4
                                    4. Rf7+ Kg8 5. Kf3 Rd3+ 6. Ke2 Ra3
                                    7. Rxc7 Rxa4
                9->   0.53  -0.56   1. Kg3 Rxc3+ 2. Kf2 Rd3 3. g6 Rxd4
                                    4. Rf7+ Kg8 5. Kf3 Rd3+ 6. Ke2 Ra3
                                    7. Rxc7 Rxa4
               10     1.51  -0.44   1. Kg3 Rxc3+ 2. Kh4 Rf3 3. g6 Rxf4+
                                    4. Kg5 Rxd4 5. Rxc7 a5 6. Rf7+ Ke8
                                    7. Rxf5 Rxa4 8. Rxd5
               10->   1.51  -0.44   1. Kg3 Rxc3+ 2. Kh4 Rf3 3. g6 Rxf4+
                                    4. Kg5 Rxd4 5. Rxc7 a5 6. Rf7+ Ke8
                                    7. Rxf5 Rxa4 8. Rxd5
               11     3.65  -0.17   1. Kg3 Kg8 2. Rd7 Rxc3+ 3. Kf2 c6 4.
                                    Rd8+ Kf7 5. Rd7+ Ke8 6. Rxa7 Rd3 7.
                                    Ra8+ Kd7 8. Ra7+ <HT>
               11->   3.66  -0.17   1. Kg3 Kg8 2. Rd7 Rxc3+ 3. Kf2 c6 4.
                                    Rd8+ Kf7 5. Rd7+ Ke8 6. Rxa7 Rd3 7.
                                    Ra8+ Kd7 8. Ra7+ <HT>
               12     6.81  -0.14   1. Kg3 Kg8 2. Rd7 Rxc3+ 3. Kh4 Rf3
                                    4. Kh5 Rxf4 5. Kg6 Kf8 6. Kf6 Re4 7.
                                    Rd8+ Re8 8. Rxe8+ Kxe8 9. Kxf5
               12->   6.81  -0.14   1. Kg3 Kg8 2. Rd7 Rxc3+ 3. Kh4 Rf3
                                    4. Kh5 Rxf4 5. Kg6 Kf8 6. Kf6 Re4 7.
                                    Rd8+ Re8 8. Rxe8+ Kxe8 9. Kxf5
               13    16.69     ++   1. Kg3!!
               13    31.44   0.76   1. Kg3 Kg8 2. Rd7 Rxc3+ 3. Kh4 Rc4
                                    4. Kh5 a5 5. Rxd5 Kg7 6. Rd7+ Kf8 7.
                                    Kg6 Ke8 8. Rh7
               13->  31.45   0.76   1. Kg3 Kg8 2. Rd7 Rxc3+ 3. Kh4 Rc4
                                    4. Kh5 a5 5. Rxd5 Kg7 6. Rd7+ Kf8 7.
                                    Kg6 Ke8 8. Rh7
               14     1:04   0.80   1. Kg3 Rxc3+ 2. Kh4 Rc2 3. Kh5 Rd2
                                    4. Rxc7 Rxd4 5. Rxa7 Rxf4 6. g6 Rf3
                                    7. Rd7 f4 8. Kh6
               14->   1:04   0.80   1. Kg3 Rxc3+ 2. Kh4 Rc2 3. Kh5 Rd2
                                    4. Rxc7 Rxd4 5. Rxa7 Rxf4 6. g6 Rf3
                                    7. Rd7 f4 8. Kh6
               15     2:16   1.08   1. Kg3 Rxc3+ 2. Kh4 Rc2 3. Kh5 Rd2
                                    4. Rxc7 Rxd4 5. Kg6 Rxa4 6. Kf6 Ke8
                                    7. Kxf5 Kd8 8. g6 d4 9. g7 d3
               15->   2:16   1.08   1. Kg3 Rxc3+ 2. Kh4 Rc2 3. Kh5 Rd2
                                    4. Rxc7 Rxd4 5. Kg6 Rxa4 6. Kf6 Ke8
                                    7. Kxf5 Kd8 8. g6 d4 9. g7 d3
               16     5:48   1.25   1. Kg3 Rxc3+ 2. Kh4 Rc2 3. Kh5 Rd2
                                    4. Rxc7 Rxd4 5. Kg6 Rxa4 6. Kf6 Ke8
                                    7. Kxf5 Kd8 8. g6 Kxc7 9. g7 Re4 10.
                                    g8=Q
               16->   5:48   1.25   1. Kg3 Rxc3+ 2. Kh4 Rc2 3. Kh5 Rd2
                                    4. Rxc7 Rxd4 5. Kg6 Rxa4 6. Kf6 Ke8
                                    7. Kxf5 Kd8 8. g6 Kxc7 9. g7 Re4 10.
                                    g8=Q
               17    22:17   1.38   1. Kg3 Rxc3+ 2. Kh4 a6 3. g6 b5 4.
                                    axb5 axb5 5. Rf7+ Kg8 6. Rxf5 Kg7 7.
                                    Rxd5 Kxg6 8. Rxb5 Rc4 9. Rd5 c6 10.
                                    Rd6+ Kf5 11. Kg3
               17->  22:17   1.38   1. Kg3 Rxc3+ 2. Kh4 a6 3. g6 b5 4.
                                    axb5 axb5 5. Rf7+ Kg8 6. Rxf5 Kg7 7.
                                    Rxd5 Kxg6 8. Rxb5 Rc4 9. Rd5 c6 10.
                                    Rd6+ Kf5 11. Kg3
               18    45:39   1.33   1. Kg3 Rxc3+ 2. Kh4 a6 3. g6 b5 4.
                                    axb5 axb5 5. Rf7+ Kg8 6. Rxf5 Kg7 7.
                                    Rxd5 Kxg6 8. Rxb5 Rc4 9. Rd5 c6 10.
                                    Rd8 Kf5 11. Kg3
               18->  45:39   1.33   1. Kg3 Rxc3+ 2. Kh4 a6 3. g6 b5 4.
                                    axb5 axb5 5. Rf7+ Kg8 6. Rxf5 Kg7 7.
                                    Rxd5 Kxg6 8. Rxb5 Rc4 9. Rd5 c6 10.
                                    Rd8 Kf5 11. Kg3
               19   202:38   1.47   1. Kg3 Rxc3+ 2. Kh4 Rc1 3. Kh5 Rf1
                                    4. Kg6 Rxf4 5. Kf6 Ke8 6. g6 Rxd4 7.
                                    Rh8+ Kd7 8. Kxf5 Rd1 9. g7 Rg1 10.
                                    g8=Q Rxg8 11. Rxg8 d4 12. Rg7+ Kd6
                                    13. Rf7
               19-> 202:38   1.47   1. Kg3 Rxc3+ 2. Kh4 Rc1 3. Kh5 Rf1
                                    4. Kg6 Rxf4 5. Kf6 Ke8 6. g6 Rxd4 7.
                                    Rh8+ Kd7 8. Kxf5 Rd1 9. g7 Rg1 10.
                                    g8=Q Rxg8 11. Rxg8 d4 12. Rg7+ Kd6
                                    13. Rf7
               20   605:04   1.63   1. Kg3 Rxc3+ 2. Kh4 Rc1 3. Kh5 Rf1
                                    4. Kg6 Rxf4 5. Kf6 Ke8 6. g6 Rxd4 7.
                                    Rh8+ Kd7 8. Kxf5 Rd1 9. g7 Rg1 10.
                                    g8=Q Rxg8 11. Rxg8 d4 12. Rg7+ Kd6
                                    13. Ke4 c5 14. Rxa7
               20-> 605:04   1.63   1. Kg3 Rxc3+ 2. Kh4 Rc1 3. Kh5 Rf1
                                    4. Kg6 Rxf4 5. Kf6 Ke8 6. g6 Rxd4 7.
                                    Rh8+ Kd7 8. Kxf5 Rd1 9. g7 Rg1 10.
                                    g8=Q Rxg8 11. Rxg8 d4 12. Rg7+ Kd6
                                    13. Ke4 c5 14. Rxa7



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