yacpdb.org - Search for 15 random orthodox moremovers from the following 15 sets:
a) All Solutions
   1) Search #4 27 pieces or more (Set01.txt)
   2) Search #5 18-20 pieces, 1930-1980 (Set02.txt) 
   3) Search #5 21-22 pieces, 1950-2000 (Set03.txt)
   4) Search #6 6-12 pieces 1830-1970 (Set04.txt)
   5) Search #6 13-18 pieces 1900-2000 (Set05.txt)
b) Single Solution (MaxSolutions 1)
   6) Search #7 21-23 pieces (Set06.txt)
   7) Search #7 24-25 pieces (Set07.txt)
   8) Search #8 13-16 pieces (Set08.txt)
   9) Search #8 17-18 pieces (Set09.txt)
   10) Search #9 10-12 pieces (Set10.txt)
c) Additional sets dedicated to motives:
   11) #4, #5 and #6 with Flight giving key
   12) #7, #8  and #9 with White Underpromotion (MaxSolutions 1)
   13) #4, #5, #6 with Zugzwang / Tempo move
   14) #7, #8 and #9 with Active sacrifice (MaxSolutions 1)
   15) #7, #8 and #9 with Indian (MaxSolutions 1)
   
15 problems drawn from these 15 sets (https://jgisland.pl/benchmark/setsExtended.zip) using Python script rand.py (https://jgisland.pl/benchmark/rand.py.txt) and tentatively tested with J.G.Island 7.1 and Popeye 4.89:
   
Results, AMD Ryzen 7 1700 8-core, 3GHz, 48GB                        J.G.Island 7.1  Olive/Popeye 4.89 (1GB)
==============================================================================================================================
[4, '4B3/2p1n1Q1/3bR3/PpkrP1p1/1p1n1rp1/1PpKB1Np/1qP3RP/N2b4']      0.125            0.111	
[5, '4N2n/8/p2b1p2/Pp1Pk3/2P2nP1/4PB2/K4B2/RR5N']                   0.422            4.757
[5, '7k/7P/n6K/1Pp1p1P1/1p5R/3p2pN/2r1ppp1/nQ1rb3']                 0.140            2.700	
[6, '3rk1K1/3rb3/1p6/1B6/8/5p2/1Q6/4n2b']                           0.812           18.568	
[6, '8/1p2K2p/4B3/1P2k1Nb/n3ppP1/8/1nP1N3/4B3']                     3.180           72.433	
------------------------------------------- MaxSolutions 1 -------------------------------------------------------------------
[7, '4b3/1R2P2n/3R3K/2p2kpN/2p1p3/r3p2P/p5PB/bq3Nr1']               4.810          343.238
[7, '4n3/4K3/3BpNp1/1R1bP3/pPPk1pr1/2R3pQ/2PPr2n/q4Bb1']           11.500          840.256
[8, '2R5/8/8/1P6/p2R4/B6B/1nP1PK2/brk5']                            0.406         1229.535
[8, '1K6/7p/pp6/1n6/2p5/r1pN4/p5Rp/r1n2Bbk']                        0.516           37.268
[9, 'kN3n2/1R6/7K/2p5/r1p2p2/5B2/6p1/2b5']                          0.907          126.104
------------------------------------------- Additional problems ---------------------------------------------------------------
[4, '8/4K2n/8/8/1pBk4/8/3N2Q1/8']                                   0.156            0.502
[7, '7B/8/8/8/7P/2K5/8/kN6']                                            0            3.181
[6, '8/4K3/p7/P1k5/R1p5/2N5/4p1P1/4B3']                             0.610           21.225
[7, '2n4K/2r1bppb/p2p4/3P2NB/r1p1R3/1P1kPP2/1PpNp3/2BqQ2n']         3.340          516.977 
[7, '8/6p1/N1p5/1pP2B1P/pP1B4/Rp2p3/bP1pP3/k2K4']                   0.610           14.524
===============================================================================================================================
Total                                                              27.534 sec.    3231.379 sec.