Lomonosov Endgame Tablebases

[Zenmastur]

One note to my previous post. I inadvertently used the uncompressed DTM file size instead of the DTZ50 file size when doing the calculations so the compression factor is off by about 33% but the files sizes should still be about right.

Regards,

Forrest

[Ozymandias]

They do supply with Aquarium a modified Stockfish that uses Lomonosov TBs
but its an old Stockfish not been update to the latest SF version.

Picture here http://www.screenleap.com/comprybka/scr ... onosov+tbs

Does it probe 7-men?

[rcmaddox]

They do supply with Aquarium a modified Stockfish that uses Lomonosov TBs
but its an old Stockfish not been update to the latest SF version.

Picture here http://www.screenleap.com/comprybka/scr ... onosov+tbs

It's interesting what they did here. Five man Lomonosov TB's are provided along with a modified Stockfish 5 that can use the TB's. The total size (of the TB's) is around 331 megabytes, so distance to mate information is not included. Therefore, they behave somewhat like Syzygy when a winning position is found. See graphic here ---->> http://1drv.ms/1RJb9lz

[velmarin]

They do supply with Aquarium a modified Stockfish that uses Lomonosov TBs
but its an old Stockfish not been update to the latest SF version.

It's interesting what they did here. Five man Lomonosov TB's are provided along with a modified Stockfish 5 that can use the TB's. The total size (of the TB's) is around 331 megabytes, so distance to mate information is not included. Therefore, they behave somewhat like Syzygy when a winning position is found. See graphic here ---->> http://1drv.ms/1RJb9lz

The date of Stockfish is 101214 and the package contains a lomonosov.dll
Specifically there are 896 files with 347 MBs.
We see many files up to 7 pawns supporting...
It reminds me of the support Ippolít Triplebasse...


Here we see the behavior of engine in Fritz where there are successes TBhits with enough piezes.

[Nordlandia]

This position between Luca - Nigel Short 27 january.

[d]8/8/5Rk1/5Rp1/r7/8/6r1/1K6 b - - 0 54

Can someone check the android 7-Man App distance to mate please

[velmarin]

40 moves a mate.
I can not get the sequence.

In some I put to download the 5 pieces lomonosov (with more pawns)
Code included probe and a version of Stockfish.

[rcmaddox]

40 moves a mate.
I can not get the sequence.

In some I put to download the 5 pieces lomonosov (with more pawns)
Code included probe and a version of Stockfish.

Black Mates in 40:

54... Kh5 55. Rf8 Raa2 56. Rc5 Rab2+ 57. Kc1 Rbf2 58. Rh8+ Kg4 59. Rh1 Ra2 60.
Rc4+ Kf3 61. Rh3+ Kf2 62. Kb1 Re2 63. Rh1 g4 64. Rf4+ Ke3 65. Rf8 Rb2+ 66. Ka1
Ra2+ 67. Kb1 Rgb2+ 68. Kc1 g3 69. Rh6 Rf2 70. Re6+ Kd4 71. Rd8+ Kc5 72. Re5+
Kc6 73. Kb1 Rae2 74. Rxe2 Rxe2 75. Kc1 g2 76. Kd1 Rb2 77. Rc8+ Kd5 78. Rd8+
Ke6 79. Rg8 g1=Q+ 80. Rxg1 Rb1+ 81. Kd2 Rxg1 82. Ke2 Rg3 83. Kf2 Rb3 84. Ke2
Ke5 85. Kd2 Ke4 86. Kc2 Rd3 87. Kb2 Kd4 88. Kc2 Kc4 89. Kb2 Rc3 90. Ka2 Rb3
91. Ka1 Kc3 92. Ka2 Kc2 93. Ka1 Ra3#

[Nordlandia]

40 moves a mate.
I can not get the sequence.

In some I put to download the 5 pieces lomonosov (with more pawns)
Code included probe and a version of Stockfish.

How did you manage to download?

[velmarin]

40 moves a mate.
I can not get the sequence.

In some I put to download the 5 pieces lomonosov (with more pawns)
Code included probe and a version of Stockfish.

How did you manage to download?

Not express me well, I use translator.
Soon I will put the download links, I'm uploading to the cloud.
Five pieces and some up to 7 pawns, DTM and WDL formats.

[Nordlandia]

Is this position winning according 7-Men App?

[d]8/8/2pppk2/8/8/2N1KN2/8/8 w - - 0 0