Uri Blass wrote:finally houdini solve position number 2
Here is the next line of the analysis.
It may be interesting to see result of rybka4 4 cpu for comparison:
33/84+ 2:44:47 50.491.538,048 5.106.000 +1.57 Re1e6
I guess Santa did not upgrade your hardware Uri

I have to say I find comparing Houdini on a slower quad to Rybka on the cluster is rather strange. It's like comparing the SR-71 Blackbird to a Cessna. Yes, obviously, they both fly. However, their top speeds cannot fairly be compared. With that being said, Houdini on a somewhat faster quad (I7 920) finds the solution alot faster.
[d]2bq1b2/1p3k2/1r1p1p1p/pNpP1PpP/P1P3P1/6B1/1P5Q/2K1R3 w - - 0 1
Houdini_15_x64:
4/17 00:00 1,052 0 +1.72 Qh2-e2 Bf8-e7 Kc1-b1 Bc8-d7
5/17 00:00 1,501 0 +1.42 Qh2-e2 Bf8-e7 Kc1-b1 Bc8-d7 Kb1-a2 Bd7xb5 a4xb5
5/17 00:00 2,649 147,000 +1.88 Qh2-d2 Bf8-e7 Qd2xa5 Kf7-f8 Kc1-b1 Bc8-d7
6/23 00:00 5,458 227,000 +1.56 Qh2-d2 Bc8-d7 Qd2xa5 Bd7xb5 a4xb5 Bf8-e7 Qa5-c3 Kf7-g7 Kc1-b1
7/23 00:00 6,903 255,000 +1.56 Qh2-d2 Bc8-d7 Qd2xa5 Bd7xb5 a4xb5 Bf8-e7 Qa5-c3 Kf7-g7 Kc1-b1
8/23 00:00 9,122 285,000 +1.66 Qh2-d2 Bc8-d7 Qd2xa5 Bd7xb5 a4xb5 Bf8-e7 Qa5-c3 Kf7-g8 Kc1-b1
9/23+ 00:00 15,737 425,000 +1.76 Qh2-d2
9/23 00:00 17,191 429,000 +1.77 Qh2-d2 Rb6-a6 Qd2-e3 Bc8-d7 Kc1-b1 Kf7-g7 Kb1-a2 Bd7xb5 a4xb5 Ra6-a8
10/23- 00:00 23,970 510,000 +1.67 Qh2-d2 Rb6-a6
10/23 00:00 37,265 677,000 +1.67 Qh2-d2 Rb6-a6 Qd2-e3 Bc8-d7 Kc1-b1 Kf7-g7 Bg3-h2 Ra6-b6 Kb1-c2 Bd7xb5 a4xb5 a5-a4
11/23 00:00 44,921 761,000 +1.67 Qh2-d2 Rb6-a6 Qd2-e3 Bc8-d7 Kc1-b1 Kf7-g7 Bg3-h2 Ra6-b6 Kb1-c2 Bd7xb5 a4xb5 a5-a4
12/23- 00:00 86,943 1,207,000 +1.56 Qh2-d2 Rb6-a6
12/23- 00:00 151,432 1,781,000 +1.35 Qh2-d2 Rb6-a6
12/24 00:00 196,447 1,907,000 +1.46 b2-b3 Bf8-e7 Kc1-b2 Kf7-f8 Kb2-a2 Kf8-f7 Ka2-a3 Kf7-f8 Qh2-d2 Rb6-a6 Qd2-e2 Bc8-d7 Nb5-c7 Ra6-b6 Nc7-e6+ Bd7xe6 f5xe6 Kf8-g7
13/24- 00:00 242,496 2,127,000 +1.36 b2-b3 Bf8-e7
13/24 00:00 457,671 2,971,000 +1.35 b2-b3 Bf8-e7 Kc1-b2 Kf7-f8 Kb2-a2 Kf8-f7 Ka2-a3 Rb6-a6 Qh2-d2 Bc8-d7 Qd2-e2 Ra6-b6 Ka3-b2 Bd7xb5 a4xb5 Kf7-f8 Qe2-e3 Kf8-f7 Qe3-c3 Qd8-a8 Re1-a1 Kf7-g7 Ra1xa5
13/25 00:00 569,108 3,270,000 +1.36 Kc1-b1 Bf8-e7 Kb1-a2 Rb6-a6 Re1-e3 Kf7-f8 Ka2-b1 Kf8-f7 Kb1-a1 Kf7-f8 Ka1-a2 Kf8-f7 Qh2-d2 Kf7-g7 Qd2-e2 Kg7-f8
14/25 00:00 692,285 3,496,000 +1.35 Kc1-b1 Bf8-e7 Kb1-a2 Rb6-a6 Re1-e3 Kf7-g8 Re3-e4 Kg8-f8 b2-b3 Kf8-f7 Re4-e3 Kf7-f8 Re3-e1 Ra6-b6 Ka2-b2 Rb6-a6 Kb2-a3 Kf8-f7 Qh2-d2 Bc8-d7 Qd2-e2 Ra6-b6 Ka3-b2 Kf7-f8 Qe2-e4 Bd7xb5 a4xb5 Qd8-d7 Re1-a1 Be7-d8 Bg3-e1 Kf8-g7 Be1xa5
15/34 00:00 1,174,458 4,270,000 +1.40 Kc1-b1 Bf8-e7 Kb1-a2 Rb6-a6 Re1-e3 Kf7-g8 b2-b3 Kg8-f7 Ka2-b2 Kf7-f8 Kb2-b1 Kf8-g7 Qh2-e2 Kg7-f8 Bg3-e1 Bc8-d7
16/34 00:00 1,758,849 4,899,000 +1.41 Kc1-b1 Bf8-e7 Kb1-a2 Rb6-a6 Re1-e3 Kf7-g8 b2-b3 Kg8-f7 Ka2-b2 Kf7-f8 Kb2-b1 Kf8-g8 Qh2-e2 Kg8-f8 Bg3-e1 Bc8-d7
17/34 00:00 2,996,535 5,707,000 +1.40 Kc1-b1 Bf8-e7 Kb1-a2 Rb6-a6 Re1-e3 Kf7-g8 b2-b3 Kg8-f7 Ka2-b2 Kf7-f8 Kb2-a3 Kf8-f7 Ka3-a2 Kf7-f8 Ka2-a3 Kf8-f7
18/35 00:00 5,474,428 6,463,000 +1.40 Kc1-b1 Bf8-e7 Kb1-a2 Rb6-a6 Re1-e3 Kf7-g8 b2-b3 Kg8-f7 Ka2-b2 Kf7-g7 Re3-e1 Kg7-f7 Qh2-e2 Ra6-b6 Bg3-h2 Bc8-d7 Qe2-d2 Bd7xb5 a4xb5 Kf7-g7 Qd2xa5
19/46 00:01 10,030,687 6,946,000 +1.43 Kc1-b1 Bf8-e7 Kb1-a2 Rb6-a6 b2-b3 Ra6-b6 Re1-e3 Rb6-a6 Qh2-e2 Ra6-b6 Bg3-e1 Rb6-a6 Be1-c3 Ra6-a8 Qe2-c2 Bc8-d7 Qc2-e4 Kf7-f8 Nb5-c7 Bd7xf5 Qe4xf5 Qd8xc7 Bc3xf6
20/46 00:02 18,550,523 7,364,000 +1.46 Kc1-b1 Bf8-e7 Kb1-a2 Rb6-a6 b2-b3 Be7-f8 Ka2-b2 Bf8-e7 Re1-e3 Kf7-f8 Kb2-a2 Ra6-b6 Re3-e4 Kf8-f7 Re4-e2 Kf7-f8 Re2-e3 Kf8-g7 Qh2-e2 Kg7-f7 Bg3-f2 Rb6-a6 Bf2-e1 Ra6-a8 Be1-g3 Ra8-a6 Ka2-b2 Kf7-f8 Qe2-h2 Kf8-f7 Re3-e1 Qd8-f8 Kb2-a2 Kf7-g7 Nb5-c7 Ra6-b6 Qh2-e2 Be7-d8 Nc7-e6+ Bc8xe6 f5xe6 Rb6-b4 e6-e7
21/56 00:08 69,621,944 7,935,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-f7 b2-b3 Kf7-g7 Qh2-d2 Bc8-d7 Qd2-h2 Bd7xb5 c4xb5 Ra6-a8 Re1-e6 Bf8-e7 Bg3xd6 Be7xd6 Qh2xd6 Qd8xd6 Re6xd6 Ra8-f8 Rd6-b6 Rf8-b8 d5-d6 Kg7-f7 d6-d7 Kf7-e7
22/56 00:12 96,529,002 8,018,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-f7 b2-b3 Kf7-g7 Ka3-b2 Kg7-f7 Re1-e2 Bf8-e7 Re2-e3 Kf7-f8 Qh2-e2 Kf8-f7 Bg3-e1 Kf7-f8 Be1-c3 b7-b6 Qe2-e1 Ra6-a8 Re3-e2 Qd8-d7 Re2-e6 Qd7-d8
23/56 00:16 134,337,514 8,080,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-g8 Ka3-b3 Kg8-f7 Re1-e3 Bf8-e7 Kb3-a2 Ra6-b6 b2-b3 Kf7-f8 Re3-e4 Kf8-g8 Qh2-e2 Kg8-f8 Re4-e3 Rb6-a6 Bg3-e1 Kf8-f7 Ka2-b2 Kf7-f8 Kb2-a2 Kf8-f7
24/56 00:23 192,633,923 8,187,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-g8 Ka3-b3 Kg8-f7 Re1-e3 Bf8-e7 Kb3-a2 Ra6-b6 Qh2-e2 Rb6-a6 Bg3-e1 Kf7-f8 Be1-f2 Ra6-a8 Bf2-g3 Ra8-a6 Bg3-e1 Ra6-a8 Ka2-b1 Ra8-a6 Kb1-a2 Ra6-a8
25/56 00:37 311,300,922 8,227,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-f7 b2-b3 Kf7-g7 Qh2-e2 Bc8-d7 Nb5-c3 Qd8-b6 Qe2-b2 Qb6-d8 Qb2-h2 Qd8-b6 Nc3-b5 Kg7-f7 Qh2-e2 Kf7-g8 Qe2-c2 Bd7xb5 c4xb5 Ra6-a8 Re1-e6
26/56 00:54 454,482,951 8,291,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-f7 b2-b3 Kf7-g7 Ka3-b2 Kg7-f7 Re1-h1 Kf7-g7 Rh1-g1 Kg7-g8 Kb2-a2 Kg8-h8 Qh2-e2 Bc8-d7 Rg1-e1 Kh8-h7 Ka2-a3 Kh7-g7 Nb5-c3 Qd8-b6 Qe2-b2 Qb6-d8 Qb2-h2 Qd8-b6 Nc3-b5 Kg7-f7 Qh2-e2 Kf7-g8 Qe2-c2 Bd7xb5 c4xb5 Ra6-a8 Re1-e6
27/56 01:28 735,785,958 8,351,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-f7 b2-b3 Kf7-g7 Ka3-b2 Kg7-f7 Re1-e3 Bf8-e7 Qh2-e2 Kf7-f8 Kb2-a2 Kf8-f7 Bg3-e1 Ra6-a8 Qe2-h2 Ra8-a6 Be1-g3 Be7-f8 Re3-e4 Bf8-e7 Re4-e1 Be7-f8 Re1-e3 Qd8-b6 Bg3-e1 Qb6-d8 Qh2-c2 Bf8-e7 Qc2-e4 Kf7-f8 Re3-e2 Qd8-d7 Ka2-b2 Qd7-d8 Be1-c3 Ra6-a8 Qe4-d3 Kf8-g7
28/56 02:18 1,161,262,314 8,410,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-f7 b2-b3 Kf7-g7 Ka3-b2 Kg7-f7 Re1-e3 Bf8-e7 Qh2-e2 Kf7-f8 Kb2-a2 Kf8-f7 Bg3-e1 Kf7-f8 Ka2-a3 Ra6-a8 Be1-g3 Ra8-a6 Bg3-f2 Ra6-b6 Bf2-e1 Rb6-a6 Ka3-b2 Kf8-e8 Be1-c3 Ke8-f7 Qe2-e1 Ra6-a8 Qe1-f1 Kf7-g7
29/59 03:34 1,813,307,700 8,447,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-f7 b2-b3 Kf7-g7 Ka3-b2 Kg7-f7 Re1-e3 Bf8-e7 Qh2-e2 Kf7-f8 Kb2-a2 Kf8-f7 Bg3-e1 Ra6-a8 Qe2-h2 Ra8-a6 Be1-g3 Be7-f8 Re3-e4 Kf7-g7 Re4-e2 Kg7-f7 Re2-e1 Qd8-b6 Qh2-e2 Bc8-d7 Nb5-c3 Qb6-d8 Qe2-h2 Bd7-c8 Re1-e3 Bf8-e7 Nc3-b5 Be7-f8
30/62 05:50 2,973,581,000 8,494,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-f7 b2-b3 Kf7-g7 Ka3-b2 Kg7-f7 Re1-e3 Bf8-e7 Qh2-e2 Be7-f8 Qe2-c2 Bc8-d7 Qc2-h2 Bd7-c8 Qh2-e2 Bf8-e7 Bg3-e1 Kf7-f8 Qe2-h2 Bc8-d7 Be1-g3 Bd7-c8 Re3-e2 Kf8-f7 Bg3-e1 b7-b6 Re2-e3 Kf7-g8
31/65 10:17 5,269,743,855 8,538,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-f7 b2-b3 Kf7-g7 Ka3-b2 Kg7-f7 Re1-e3 Bf8-e7 Qh2-e2 Kf7-f8 Kb2-a2 Kf8-f7 Bg3-e1 Ra6-a8 Qe2-h2 Ra8-a6 Re3-e2 Bc8-d7 Be1-g3 Bd7-c8 Re2-e1 Be7-f8 Ka2-b2 Qd8-b6 Kb2-a1 Bc8-d7 Ka1-a2 Bd7-c8 Qh2-e2 Bc8-d7 Nb5-c3 Qb6-d8 Qe2-h2 Bd7-c8 Re1-e3 Bf8-e7 Nc3-b5 Be7-f8 Re3-e4 Qd8-b6 Ka2-a3 Qb6-d8 Re4-e3 Bf8-e7 Re3-e2 Kf7-f8 Ka3-b2 Kf8-f7 Bg3-e1 b7-b6 Re2-e3 Kf7-g8
32/65 17:25 8,986,524,730 8,591,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-f7 b2-b3 Kf7-g7 Ka3-b2 Kg7-f7 Re1-e3 Bf8-e7 Qh2-e2 Kf7-f8 Kb2-a2 Kf8-f7 Bg3-e1 Ra6-a8 Qe2-h2 Ra8-a6 Re3-e2 Bc8-d7 Be1-g3 Bd7-c8 Re2-e1 Kf7-f8 Re1-d1 Kf8-f7 Rd1-f1 Qd8-d7 Qh2-e2 Ra6-b6
33/68 29:53 15,491,611,444 8,639,000 +1.43 Kc1-b1 Rb6-a6 Kb1-a2 Kf7-g7 Ka2-a3 Kg7-f7 b2-b3 Kf7-g7 Ka3-b2 Kg7-f7 Re1-e3 Bf8-e7 Qh2-e2 Be7-f8 Qe2-c2 Bc8-d7 Qc2-h2 Bd7-c8 Kb2-b1 Bf8-e7 Kb1-a2 Be7-f8 Re3-e4 Bf8-e7 Re4-e3 Be7-f8
33/97+ 1:06:49 34,911,519,919 8,707,000 +1.53 Re1-e6