For Denis:
Here bbchess does not accede to bitbases.
DanaSah:
FEN: 5k2/8/8/8/8/2P5/8/3K4 w - - 0 1
DanaSah v.3.13:
2 00:00 28 28 +54,50 Rc2 Re7
3 00:00 52 52 +54,52 Rc2 Re7 Rb3
4 00:00 117 117 +54,44 Rc2 Re7 Rb3 Re6
5 00:00 277 27.700 +54,51 Rc2 Re7 Rb3 Rd6 Rb4
6 00:00 538 53.800 +54,39 Rc2 Re7 Rb3 Rd6 Rb4 Re5
7 00:00 1.023 102.300 +54,41 Rc2 Re7 Rb3 Rd6 Rb4 Rd5 Rb5
8 00:00 1.819 181.900 +54,39 Rc2 Re7 Rb3 Rd6 Rb4 Rd5 Rb5 Re5
9 00:00 3.284 328.400 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 Rb4
10 00:00 5.033 503.300 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd4 c5
11 00:00 7.746 774.600 +54,34 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd6 Rb6 Re5
12 00:00 11.694 1.169.400 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6
13 00:00 16.185 1.618.500 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Re4
14 00:00 22.250 741.666 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5
15 00:00 30.392 1.013.066 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5 Re4
16 00:00 39.385 984.625 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5 Re5 Rd7
17 00:00 52.450 874.166 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd6 Rb6 Re6 c5 Rd7 Rb7 Re6 Rc6 Re5
18 00:00 115.949 1.159.490 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra5 c5 Rb5 Rd5 Rb4
19 00:00 133.082 1.109.016 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra5 Rc5 Ra4 Rd5 Rb4 c5
20 00:00 152.593 1.089.950 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra6 c5 Rb7 c6+ Rb6 c7 Rb7 Rd7 Rb6
21 00:00 177.654 1.045.023 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 Rc5 Rc7 c4 Rd7 Rd5 Re7 Re5
22 00:00 201.689 1.120.494 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Rb7 c5 Rc8 Rc6 Rd8
23 00:00 228.121 1.086.290 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Ra5 c5 Rb5 Rd5 Rb4 c6
24 00:00 261.199 1.044.796 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Ra6 c5 Rb7 c6+ Rb6 c7 Rb7 Rd7 Rb6
HELP WITH BBCHESS FROM ONE OF YOU EXPERTS
Moderator: Ras
-
pedrox
- Posts: 1056
- Joined: Fri Mar 10, 2006 6:07 am
- Location: Basque Country (Spain)
-
Denis P. Mendoza
- Posts: 415
- Joined: Fri Dec 15, 2006 9:46 pm
- Location: Philippines
Re: HELP WITH BBCHESS FROM ONE OF YOU EXPERTS
Sorry for being lame, but I couldn't grasp your statement :"Here bbchess does not accede to bitbases.", while at the bottom it states Danasahv3.13.pedrox wrote:For Denis:
Here bbchess does not accede to bitbases.
DanaSah:
FEN: 5k2/8/8/8/8/2P5/8/3K4 w - - 0 1
DanaSah v.3.13:
2 00:00 28 28 +54,50 Rc2 Re7
3 00:00 52 52 +54,52 Rc2 Re7 Rb3
4 00:00 117 117 +54,44 Rc2 Re7 Rb3 Re6
5 00:00 277 27.700 +54,51 Rc2 Re7 Rb3 Rd6 Rb4
6 00:00 538 53.800 +54,39 Rc2 Re7 Rb3 Rd6 Rb4 Re5
7 00:00 1.023 102.300 +54,41 Rc2 Re7 Rb3 Rd6 Rb4 Rd5 Rb5
8 00:00 1.819 181.900 +54,39 Rc2 Re7 Rb3 Rd6 Rb4 Rd5 Rb5 Re5
9 00:00 3.284 328.400 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 Rb4
10 00:00 5.033 503.300 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd4 c5
11 00:00 7.746 774.600 +54,34 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd6 Rb6 Re5
12 00:00 11.694 1.169.400 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6
13 00:00 16.185 1.618.500 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Re4
14 00:00 22.250 741.666 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5
15 00:00 30.392 1.013.066 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5 Re4
16 00:00 39.385 984.625 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5 Re5 Rd7
17 00:00 52.450 874.166 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd6 Rb6 Re6 c5 Rd7 Rb7 Re6 Rc6 Re5
18 00:00 115.949 1.159.490 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra5 c5 Rb5 Rd5 Rb4
19 00:00 133.082 1.109.016 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra5 Rc5 Ra4 Rd5 Rb4 c5
20 00:00 152.593 1.089.950 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra6 c5 Rb7 c6+ Rb6 c7 Rb7 Rd7 Rb6
21 00:00 177.654 1.045.023 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 Rc5 Rc7 c4 Rd7 Rd5 Re7 Re5
22 00:00 201.689 1.120.494 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Rb7 c5 Rc8 Rc6 Rd8
23 00:00 228.121 1.086.290 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Ra5 c5 Rb5 Rd5 Rb4 c6
24 00:00 261.199 1.044.796 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Ra6 c5 Rb7 c6+ Rb6 c7 Rb7 Rd7 Rb6
Is there an easiest way to check how Scorpio bitbase enabled engines really utilize the bitbase like Toga, Danasah and the new BBchess? It's much easier for beginners to determine bitbase probing using Scorpio as it reports the hits during search. I'm not fully familiar with the probing you mentioned that's why I ask this.
-
beachknight
- Posts: 3533
- Joined: Tue Jan 09, 2007 8:33 pm
- Location: Antalya, Turkey
-
pedrox
- Posts: 1056
- Joined: Fri Mar 10, 2006 6:07 am
- Location: Basque Country (Spain)
Re: HELP WITH BBCHESS FROM ONE OF YOU EXPERTS
For Denis:
Position Harun --> 4k3/8/8/8/2NK4/3B4/8/8 w - - 0 1
Light try to give mate with bishop and knight. Engine without bitbases (nor tablebases) will give approximately one envaluación of +7 for the white.
DanaSah v.3.13:
2 00:00 127 127 +7,71 Ae4 Re7
3 00:00 318 318 +7,71 Ae4 Rd7 Ce3
3 00:00 357 357 +7,76 Ce5 Re7 Ae4
4 00:00 598 59.800 +7,64 Ce5 Re7 Ae4 Rd6
4 00:00 793 79.300 +7,71 Ae4 Rd7 Af5+ Re7 Ae4
5 00:00 2.193 219.300 +7,71 Ae4 Rd7 Re5 Re7 Ce3
6 00:00 6.029 602.900 +7,71 Ae4 Rd7 Re5 Re7 Ce3 Rd7
7 00:00 17.236 1.723.600 +7,71 Ae4 Rd7 Re5 Re7 Ce3 Rd7 Rd4
8 00:00 51.508 1.287.700 +7,71 Ae4 Rd7 Re5 Re7 Cd6 Rd7 Ad5 Re7
8 00:00 63.175 1.052.916 +7,76 Re5 Rd7 Af5+ Rc6 Ae4+ Rb5 Rd4 Rb4 Ce5 Rb5
9 00:00 148.763 1.062.592 +7,83 Re5 Rd7 Af5+ Rc6 Ae4+ Rb5 Rd4 Rb4 Cd6 Rb3 Cc4
10 00:00 364.685 1.176.403 +7,82 Re5 Rd7 Af5+ Rc6 Ae4+ Rb5 Cd6+ Rb4 Rd4 Rb3 Ad5+ Rb4 Ae6 Ra5
10 00:00 659.351 1.177.412 +7,83 Cd6+ Rd8 Re5 Rc7 Ae4 Rd7 Ad5 Rc7 Re6 Rb6 Re5
11 00:00 1.039.389 1.194.700 +7,83 Cd6+ Rd8 Re5 Rc7 Ae4 Rd7 Ab7 Re7 Ad5 Rd7 Cf5 Rc7
12 00:01 2.115.175 1.188.300 +7,83 Cd6+ Rd8 Re5 Rc7 Ae4 Rd7 Ab7 Rc7 Ad5 Rb6 Re6 Rc7 Re5
12 00:02 2.477.500 1.185.406 +7,87 Re5 Rd7 Ae4 Re7 Af5 Rf7 Ce3 Re8 Cd5 Rf7 Rd4 Re8
13 00:03 3.706.091 1.176.536 +7,87 Re5 Rd7 Ae4 Re7 Af5 Rf7 Ce3 Re8 Cd5 Rf7 Rd4 Re8 Re5
14 00:06 7.324.142 1.171.862 +7,87 Re5 Rd7 Ae4 Re7 Af5 Rf7 Cb6 Re7 Cd5+ Rf7 Ad3 Re8 Re6 Rd8 Re5
If the program has bitbases and the game is gained bitbases provide a value between +49 and +60
DanaSah v.3.13:
2 00:00 35 3.500 +56,01 Rd5 Rf7
2 00:00 43 4.300 +56,02 Ce5 Rf8
2 00:00 83 8.300 +56,04 Cd6+ Rf8 Rd5
3 00:00 318 31.800 +55,97 Cd6+ Rf8 Cf5 Rg8
3 00:00 363 36.300 +56,01 Rd5 Rf7 Ca5
3 00:00 400 40.000 +56,04 Ce5 Rf8 Rd5
4 00:00 604 60.400 +55,96 Ce5 Rf8 Cd7+ Rg7 Re5
4 00:00 883 88.300 +55,99 Cd6+ Rf8 Cf5 Rg8 Rd5
5 00:00 3.576 357.600 +55,94 Cd6+ Rf8 Cf5 Rg8 Re5 Rh8
5 00:00 3.769 376.900 +55,96 Rd5 Rf7 Ca5 Rg7 Re5
6 00:00 7.241 724.100 +55,94 Rd5 Rf7 Ca5 Rg7 Re5 Rh8
6 00:00 10.340 1.034.000 +55,96 Cd6+ Rf8 Re5 Rg7 Cf5+ Rh7 Ce7+ Rg7 Ab5
7 00:00 19.921 664.033 +55,96 Cd6+ Rf8 Re5 Rg7 Cf5+ Rh7 Ce7+ Rh8 Cg6+ Rg7 Cf4
8 00:00 57.103 815.757 +55,97 Cd6+ Rf8 Rd5 Rg7 Ce8+ Rg8 Rd4 Rf7 Ab5 Rg8
9 00:00 114.786 956.550 +55,99 Cd6+ Rf8 Rd5 Rg7 Ce8+ Rg8 Rd4 Rf7 Ab5 Rg8 Re5
10 00:00 280.873 968.527 +55,99 Cd6+ Rf8 Rd5 Rg7 Cf5+ Rh7 Re5 Rh8 Ce7 Rg7 Cg6 Rg8
11 00:00 550.252 965.354 +55,99 Cd6+ Rf8 Rd5 Rg7 Cf5+ Rh7 Re5 Rh8 Ce7 Rg7 Cg6 Rg8 Ab5
12 00:01 1.137.455 989.091 +56,01 Cd6+ Rf8 Re5 Rg7 Ac2 Rg8 Rf6 Rh8 Cf7+ Rg8 Ad3 Rf8 Ch6 Re8
13 00:02 2.562.790 989.494 +56,09 Cd6+ Rf8 Re5 Rg7 Cf5+ Rh7 Rf6 Rh8 Cd6 Rg8 Cf7 Rf8 Ch6 Re8 Re5
-------------------------
Position Denis --> FEN: 5k2/8/8/8/8/2P5/8/3K4 w - - 0 1
Here light have an advantage of one pawn that we do not know if it is going to promote or no. The evaluation without bitbases (nor tablebases) will be of +1 and if engine by depth sees that it promotes it will raise +10 (+ or -)
DanaSah v.3.13:
2 00:00 34 34 +1,06 c4 Re7
2 00:00 52 52 +1,07 Rd2 Re7
3 00:00 86 86 +1,31 Rd2 Re7 c4
3 00:00 112 112 +1,49 c4 Re7 c5
4 00:00 232 232 +1,25 c4 Re7 c5 Rd7
5 00:00 438 438 +1,49 c4 Re7 c5 Rd7 Rd2
6 00:00 722 72.200 +1,43 c4 Re7 c5 Rd7 Rd2 Rc6
7 00:00 2.378 237.800 +1,21 c4 Re7 Rd2 Rd6 Rc2 Rc5 Rd3
8 00:00 3.469 346.900 +1,23 c4 Re7 Rd2 Rd6 Re2 Rc5 Rd3 Rd6
8 00:00 4.382 438.200 +1,36 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6
9 00:00 6.990 699.000 +1,70 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6
10 00:00 9.518 951.800 +1,58 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4
11 00:00 13.439 1.343.900 +1,64 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rd7
12 00:00 18.170 1.817.000 +1,79 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rd7 Rd5
13 00:00 23.435 781.166 +1,79 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd5 Rd7
14 00:00 33.441 1.114.700 +2,18 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd5 Rd7 c6+ Rc7
15 00:00 58.917 981.950 +2,06 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd5 Rd7 c6+ Rc7 Rc5
16 00:00 81.687 1.166.957 +2,27 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd5 Rc8 Rc6 Rd8 Rd5
17 00:00 164.052 1.171.800 +2,24 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rd7 Rb5 Rc8 c6 Rb8 Rb6 Rc8
18 00:00 190.277 1.268.513 +2,30 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd5 Rd7 c6+ Rc8 Rc5 Rc7 Rd5 Rb6
19 00:00 220.206 1.295.329 +2,30 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rb5 Rb7 c6+ Rc7 Rc5 Rc8 Rb6 Rd8 Rc5
20 00:00 251.113 1.255.565 +2,30 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd3 Rc6 Rd4 Rc7 Rd5 Rd7 c6+ Rc7 Rc5 Rd8
21 00:00 331.841 1.276.311 +2,30 Rd2 Re7 Rd3 Rd6 Rd4 Rc6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rb5 Rb7 c6+ Rc7 Rc5 Rc8 Rb4 Rc7 Rb5 Rd8 Rc5
22 00:01 2.703.894 1.469.507 +2,18 Rd2 Re7 Rd3 Rd7 c4 Rd6 Rd4 Rc6 c5 Rc7 Rd5 Rd7 c6+ Rc7 Rc5 Rc8 Rc4 Rd8 Rd4 Rc8 Rc5 Rc7 Rd5
22 00:02 3.094.278 1.459.565 +2,30 Rc2 Re7 Rb3 Rd7 Rb4 Rc6 Rc4 Rb6 Rd5 Rc7 Rc5 Rd7 Rb6 Rd6 c4 Rd7 Rb5 Rd6 c5+ Rc7 c6 Rd8 Rc5
23 00:02 3.159.833 1.456.144 +2,42 Rc2 Re7 Rb3 Rd7 Rb4 Rc6 Rc4 Rb6 Rd5 Rc7 Rc5 Rd7 Rb6 Rd6 Rb5 Rc7 c4 Rb7 c5 Rc7 c6 Rc8 Rc5
24 00:04 6.456.132 1.519.089 +2,36 Rc2 Re7 Rb3 Rd7 Rb4 Rc6 Rc4 Rb6 Rd5 Rc7 Rc5 Rd7 Rb6 Rd6 c4 Rd7 c5 Rc8 Rc6 Rd8 Rd6 Rc8 c6 Rd8
25 00:08 12.378.172 1.500.384 +3,26 Rc2 Re7 Rb3 Rd7 Rb4 Rc6 Rc4 Rb6 Rd5 Rc7 Rc5 Rd7 Rb6 Rd8 Rc6 Rc8 c4 Rb8 c5 Rc8 Rb6 Rb8 c6 Ra8 Rc5
26 00:17 26.111.555 1.535.973 +10,07 Rc2 Re7 Rb3 Rd7 Rb4 Rc6 Rc4 Rb6 Rd5 Rc7 Rc5 Rd7 Rb6 Rd6 c4 Rd7 c5 Rc8 Rc6 Rd8 Rb7 Re7 c6 Rd6 c7 Rd7 c8D+ Rd6
If engine has bitbases the evaluation it will be nevertheless between that +49 and +60 that I have commented before.
DanaSah v.3.13:
2 00:00 28 28 +54,50 Rc2 Re7
3 00:00 52 52 +54,52 Rc2 Re7 Rb3
4 00:00 117 11.700 +54,44 Rc2 Re7 Rb3 Re6
5 00:00 277 27.700 +54,51 Rc2 Re7 Rb3 Rd6 Rb4
6 00:00 538 53.800 +54,39 Rc2 Re7 Rb3 Rd6 Rb4 Re5
7 00:00 1.023 102.300 +54,41 Rc2 Re7 Rb3 Rd6 Rb4 Rd5 Rb5
8 00:00 1.819 181.900 +54,39 Rc2 Re7 Rb3 Rd6 Rb4 Rd5 Rb5 Re5
9 00:00 3.284 328.400 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 Rb4
10 00:00 5.033 503.300 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd4 c5
11 00:00 7.746 774.600 +54,34 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd6 Rb6 Re5
12 00:00 11.694 1.169.400 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6
13 00:00 16.185 539.500 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Re4
14 00:00 22.250 741.666 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5
15 00:00 30.392 1.013.066 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5 Re4
16 00:00 39.385 984.625 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5 Re5 Rd7
17 00:00 52.450 874.166 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd6 Rb6 Re6 c5 Rd7 Rb7 Re6 Rc6 Re5
18 00:00 115.949 1.159.490 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra5 c5 Rb5 Rd5 Rb4
19 00:00 133.082 1.109.016 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra5 Rc5 Ra4 Rd5 Rb4 c5
20 00:00 152.593 1.017.286 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra6 c5 Rb7 c6+ Rb6 c7 Rb7 Rd7 Rb6
21 00:00 177.654 1.045.023 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 Rc5 Rc7 c4 Rd7 Rd5 Re7 Re5
22 00:00 201.689 1.120.494 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Rb7 c5 Rc8 Rc6 Rd8
23 00:00 228.121 1.086.290 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Ra5 c5 Rb5 Rd5 Rb4 c6
24 00:00 261.199 1.044.796 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Ra6 c5 Rb7 c6+ Rb6 c7 Rb7 Rd7 Rb6
All the analyses I have made them with DanaSah (sorry pv is in spanish), the rest of engines must give similar values.
It is difficult that engine values the position between +49 and +60 by much material and positional advantage that it has. If you see these in engines with bitbases it means that the value comes from bitbases.
The problem is if the position is draw, then is more complicated to know if the value is giving by bitbases or by the engine.
Best,
Pedro
Position Harun --> 4k3/8/8/8/2NK4/3B4/8/8 w - - 0 1
Light try to give mate with bishop and knight. Engine without bitbases (nor tablebases) will give approximately one envaluación of +7 for the white.
DanaSah v.3.13:
2 00:00 127 127 +7,71 Ae4 Re7
3 00:00 318 318 +7,71 Ae4 Rd7 Ce3
3 00:00 357 357 +7,76 Ce5 Re7 Ae4
4 00:00 598 59.800 +7,64 Ce5 Re7 Ae4 Rd6
4 00:00 793 79.300 +7,71 Ae4 Rd7 Af5+ Re7 Ae4
5 00:00 2.193 219.300 +7,71 Ae4 Rd7 Re5 Re7 Ce3
6 00:00 6.029 602.900 +7,71 Ae4 Rd7 Re5 Re7 Ce3 Rd7
7 00:00 17.236 1.723.600 +7,71 Ae4 Rd7 Re5 Re7 Ce3 Rd7 Rd4
8 00:00 51.508 1.287.700 +7,71 Ae4 Rd7 Re5 Re7 Cd6 Rd7 Ad5 Re7
8 00:00 63.175 1.052.916 +7,76 Re5 Rd7 Af5+ Rc6 Ae4+ Rb5 Rd4 Rb4 Ce5 Rb5
9 00:00 148.763 1.062.592 +7,83 Re5 Rd7 Af5+ Rc6 Ae4+ Rb5 Rd4 Rb4 Cd6 Rb3 Cc4
10 00:00 364.685 1.176.403 +7,82 Re5 Rd7 Af5+ Rc6 Ae4+ Rb5 Cd6+ Rb4 Rd4 Rb3 Ad5+ Rb4 Ae6 Ra5
10 00:00 659.351 1.177.412 +7,83 Cd6+ Rd8 Re5 Rc7 Ae4 Rd7 Ad5 Rc7 Re6 Rb6 Re5
11 00:00 1.039.389 1.194.700 +7,83 Cd6+ Rd8 Re5 Rc7 Ae4 Rd7 Ab7 Re7 Ad5 Rd7 Cf5 Rc7
12 00:01 2.115.175 1.188.300 +7,83 Cd6+ Rd8 Re5 Rc7 Ae4 Rd7 Ab7 Rc7 Ad5 Rb6 Re6 Rc7 Re5
12 00:02 2.477.500 1.185.406 +7,87 Re5 Rd7 Ae4 Re7 Af5 Rf7 Ce3 Re8 Cd5 Rf7 Rd4 Re8
13 00:03 3.706.091 1.176.536 +7,87 Re5 Rd7 Ae4 Re7 Af5 Rf7 Ce3 Re8 Cd5 Rf7 Rd4 Re8 Re5
14 00:06 7.324.142 1.171.862 +7,87 Re5 Rd7 Ae4 Re7 Af5 Rf7 Cb6 Re7 Cd5+ Rf7 Ad3 Re8 Re6 Rd8 Re5
If the program has bitbases and the game is gained bitbases provide a value between +49 and +60
DanaSah v.3.13:
2 00:00 35 3.500 +56,01 Rd5 Rf7
2 00:00 43 4.300 +56,02 Ce5 Rf8
2 00:00 83 8.300 +56,04 Cd6+ Rf8 Rd5
3 00:00 318 31.800 +55,97 Cd6+ Rf8 Cf5 Rg8
3 00:00 363 36.300 +56,01 Rd5 Rf7 Ca5
3 00:00 400 40.000 +56,04 Ce5 Rf8 Rd5
4 00:00 604 60.400 +55,96 Ce5 Rf8 Cd7+ Rg7 Re5
4 00:00 883 88.300 +55,99 Cd6+ Rf8 Cf5 Rg8 Rd5
5 00:00 3.576 357.600 +55,94 Cd6+ Rf8 Cf5 Rg8 Re5 Rh8
5 00:00 3.769 376.900 +55,96 Rd5 Rf7 Ca5 Rg7 Re5
6 00:00 7.241 724.100 +55,94 Rd5 Rf7 Ca5 Rg7 Re5 Rh8
6 00:00 10.340 1.034.000 +55,96 Cd6+ Rf8 Re5 Rg7 Cf5+ Rh7 Ce7+ Rg7 Ab5
7 00:00 19.921 664.033 +55,96 Cd6+ Rf8 Re5 Rg7 Cf5+ Rh7 Ce7+ Rh8 Cg6+ Rg7 Cf4
8 00:00 57.103 815.757 +55,97 Cd6+ Rf8 Rd5 Rg7 Ce8+ Rg8 Rd4 Rf7 Ab5 Rg8
9 00:00 114.786 956.550 +55,99 Cd6+ Rf8 Rd5 Rg7 Ce8+ Rg8 Rd4 Rf7 Ab5 Rg8 Re5
10 00:00 280.873 968.527 +55,99 Cd6+ Rf8 Rd5 Rg7 Cf5+ Rh7 Re5 Rh8 Ce7 Rg7 Cg6 Rg8
11 00:00 550.252 965.354 +55,99 Cd6+ Rf8 Rd5 Rg7 Cf5+ Rh7 Re5 Rh8 Ce7 Rg7 Cg6 Rg8 Ab5
12 00:01 1.137.455 989.091 +56,01 Cd6+ Rf8 Re5 Rg7 Ac2 Rg8 Rf6 Rh8 Cf7+ Rg8 Ad3 Rf8 Ch6 Re8
13 00:02 2.562.790 989.494 +56,09 Cd6+ Rf8 Re5 Rg7 Cf5+ Rh7 Rf6 Rh8 Cd6 Rg8 Cf7 Rf8 Ch6 Re8 Re5
-------------------------
Position Denis --> FEN: 5k2/8/8/8/8/2P5/8/3K4 w - - 0 1
Here light have an advantage of one pawn that we do not know if it is going to promote or no. The evaluation without bitbases (nor tablebases) will be of +1 and if engine by depth sees that it promotes it will raise +10 (+ or -)
DanaSah v.3.13:
2 00:00 34 34 +1,06 c4 Re7
2 00:00 52 52 +1,07 Rd2 Re7
3 00:00 86 86 +1,31 Rd2 Re7 c4
3 00:00 112 112 +1,49 c4 Re7 c5
4 00:00 232 232 +1,25 c4 Re7 c5 Rd7
5 00:00 438 438 +1,49 c4 Re7 c5 Rd7 Rd2
6 00:00 722 72.200 +1,43 c4 Re7 c5 Rd7 Rd2 Rc6
7 00:00 2.378 237.800 +1,21 c4 Re7 Rd2 Rd6 Rc2 Rc5 Rd3
8 00:00 3.469 346.900 +1,23 c4 Re7 Rd2 Rd6 Re2 Rc5 Rd3 Rd6
8 00:00 4.382 438.200 +1,36 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6
9 00:00 6.990 699.000 +1,70 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6
10 00:00 9.518 951.800 +1,58 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4
11 00:00 13.439 1.343.900 +1,64 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rd7
12 00:00 18.170 1.817.000 +1,79 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rd7 Rd5
13 00:00 23.435 781.166 +1,79 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd5 Rd7
14 00:00 33.441 1.114.700 +2,18 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd5 Rd7 c6+ Rc7
15 00:00 58.917 981.950 +2,06 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd5 Rd7 c6+ Rc7 Rc5
16 00:00 81.687 1.166.957 +2,27 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd5 Rc8 Rc6 Rd8 Rd5
17 00:00 164.052 1.171.800 +2,24 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rd7 Rb5 Rc8 c6 Rb8 Rb6 Rc8
18 00:00 190.277 1.268.513 +2,30 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd5 Rd7 c6+ Rc8 Rc5 Rc7 Rd5 Rb6
19 00:00 220.206 1.295.329 +2,30 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rb5 Rb7 c6+ Rc7 Rc5 Rc8 Rb6 Rd8 Rc5
20 00:00 251.113 1.255.565 +2,30 Rd2 Re7 Rd3 Rd6 Rd4 Re6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rd3 Rc6 Rd4 Rc7 Rd5 Rd7 c6+ Rc7 Rc5 Rd8
21 00:00 331.841 1.276.311 +2,30 Rd2 Re7 Rd3 Rd6 Rd4 Rc6 c4 Rd6 c5+ Rc6 Rc4 Rc7 Rb5 Rb7 c6+ Rc7 Rc5 Rc8 Rb4 Rc7 Rb5 Rd8 Rc5
22 00:01 2.703.894 1.469.507 +2,18 Rd2 Re7 Rd3 Rd7 c4 Rd6 Rd4 Rc6 c5 Rc7 Rd5 Rd7 c6+ Rc7 Rc5 Rc8 Rc4 Rd8 Rd4 Rc8 Rc5 Rc7 Rd5
22 00:02 3.094.278 1.459.565 +2,30 Rc2 Re7 Rb3 Rd7 Rb4 Rc6 Rc4 Rb6 Rd5 Rc7 Rc5 Rd7 Rb6 Rd6 c4 Rd7 Rb5 Rd6 c5+ Rc7 c6 Rd8 Rc5
23 00:02 3.159.833 1.456.144 +2,42 Rc2 Re7 Rb3 Rd7 Rb4 Rc6 Rc4 Rb6 Rd5 Rc7 Rc5 Rd7 Rb6 Rd6 Rb5 Rc7 c4 Rb7 c5 Rc7 c6 Rc8 Rc5
24 00:04 6.456.132 1.519.089 +2,36 Rc2 Re7 Rb3 Rd7 Rb4 Rc6 Rc4 Rb6 Rd5 Rc7 Rc5 Rd7 Rb6 Rd6 c4 Rd7 c5 Rc8 Rc6 Rd8 Rd6 Rc8 c6 Rd8
25 00:08 12.378.172 1.500.384 +3,26 Rc2 Re7 Rb3 Rd7 Rb4 Rc6 Rc4 Rb6 Rd5 Rc7 Rc5 Rd7 Rb6 Rd8 Rc6 Rc8 c4 Rb8 c5 Rc8 Rb6 Rb8 c6 Ra8 Rc5
26 00:17 26.111.555 1.535.973 +10,07 Rc2 Re7 Rb3 Rd7 Rb4 Rc6 Rc4 Rb6 Rd5 Rc7 Rc5 Rd7 Rb6 Rd6 c4 Rd7 c5 Rc8 Rc6 Rd8 Rb7 Re7 c6 Rd6 c7 Rd7 c8D+ Rd6
If engine has bitbases the evaluation it will be nevertheless between that +49 and +60 that I have commented before.
DanaSah v.3.13:
2 00:00 28 28 +54,50 Rc2 Re7
3 00:00 52 52 +54,52 Rc2 Re7 Rb3
4 00:00 117 11.700 +54,44 Rc2 Re7 Rb3 Re6
5 00:00 277 27.700 +54,51 Rc2 Re7 Rb3 Rd6 Rb4
6 00:00 538 53.800 +54,39 Rc2 Re7 Rb3 Rd6 Rb4 Re5
7 00:00 1.023 102.300 +54,41 Rc2 Re7 Rb3 Rd6 Rb4 Rd5 Rb5
8 00:00 1.819 181.900 +54,39 Rc2 Re7 Rb3 Rd6 Rb4 Rd5 Rb5 Re5
9 00:00 3.284 328.400 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 Rb4
10 00:00 5.033 503.300 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd4 c5
11 00:00 7.746 774.600 +54,34 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd6 Rb6 Re5
12 00:00 11.694 1.169.400 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6
13 00:00 16.185 539.500 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Re4
14 00:00 22.250 741.666 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5
15 00:00 30.392 1.013.066 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5 Re4
16 00:00 39.385 984.625 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Re4 Rc5 Re5 Rc6 Rd4 c5 Re5 Rd7
17 00:00 52.450 874.166 +54,41 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rd5 c4+ Rd6 Rb6 Re6 c5 Rd7 Rb7 Re6 Rc6 Re5
18 00:00 115.949 1.159.490 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra5 c5 Rb5 Rd5 Rb4
19 00:00 133.082 1.109.016 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra5 Rc5 Ra4 Rd5 Rb4 c5
20 00:00 152.593 1.017.286 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 c4 Ra6 c5 Rb7 c6+ Rb6 c7 Rb7 Rd7 Rb6
21 00:00 177.654 1.045.023 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 Rc5 Rc7 c4 Rd7 Rd5 Re7 Re5
22 00:00 201.689 1.120.494 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Rb7 c5 Rc8 Rc6 Rd8
23 00:00 228.121 1.086.290 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Ra5 c5 Rb5 Rd5 Rb4 c6
24 00:00 261.199 1.044.796 +54,71 Rc2 Re7 Rb3 Rd7 Rb4 Rd6 Rb5 Rc7 Rc5 Rb7 Rd6 Rb6 Rd5 Rb7 c4 Rb6 Rd6 Ra6 c5 Rb7 c6+ Rb6 c7 Rb7 Rd7 Rb6
All the analyses I have made them with DanaSah (sorry pv is in spanish), the rest of engines must give similar values.
It is difficult that engine values the position between +49 and +60 by much material and positional advantage that it has. If you see these in engines with bitbases it means that the value comes from bitbases.
The problem is if the position is draw, then is more complicated to know if the value is giving by bitbases or by the engine.
Best,
Pedro
-
Denis P. Mendoza
- Posts: 415
- Joined: Fri Dec 15, 2006 9:46 pm
- Location: Philippines
Re: HELP WITH BBCHESS FROM ONE OF YOU EXPERTS
Thanks Pedro. All is cleared on my side. Muchas Gracias for the tip. 