improve one mate and add new PVs

[robertnurnberg]

This PR improves 8/8/8/1p6/6k1/1p2Q3/p1p1p3/rbrbK3 w - - bm #38; to #36, thanks to the new script from robertnurnberg/matetools#15. Credits to @Aloril for the original idea.

Also add several new PVs, from #51, #52 and local analysis.

Closes #51

[robertnurnberg]

Added PV for M93 @dav1312

[dav1312]

I will remove the 3 that I got from the issue and add them here since they've been merged

8/5p1p/8/8/p3Q2K/rp5p/1p3ppr/b2N1bqk w - - bm #53; info depth 139 seldepth 106 multipv 1 score mate 53 wdl 1000 0 0 nodes 221498569 nps 14879656 hashfull 50 tbhits 0 time 14886 pv e4b1 a3a2 h4g5 a2a3 g5f6 a3a2 f6g7 a2a3 g7g8 a3a2 g8f8 a2a3 f8e7 a3a2 e7d6 a2a3 d6c5 a3a2 c5b4 h7h6 b4c5 a2a3 c5d6 a3a2 d6e5 a2a3 e5f6 a3a2 f6g7 h6h5 g7f6 a2a3 f6e5 a3a2 e5d6 a2a3 d6c5 a3a2 c5b4 f7f5 b4c5 a2a3 c5b6 a3a2 b6a7 a2a3 a7a8 a3a2 a8b8 a2a3 b8a7 a3a2 a7b6 a2a3 b6c5 a3a2 c5b4 h5h4 b4c5 a2a3 c5b6 a3a2 b6c7 a2a3 c7b8 a3a2 b8a8 a2a3 a8a7 a3a2 a7b6 a2a3 b6c5 a3a2 c5b4 f5f4 b4c5 a2a3 c5d6 a3a2 d6e5 a2a3 e5f4 a3a2 f4e5 a2a3 e5d6 a3a2 d6c7 a2a3 c7b8 a3a2 b8a8 a2a3 a8a7 a3a2 a7b6 a2a3 b6c5 a3a2 c5b4 a2a3 b4a3 f1b5 d1f2
8/Pk2p1pp/1Pp1P3/KpP5/2p3p1/2Pp4/3P1P1P/8 w - - bm #66; info depth 42 seldepth 131 multipv 1 score mate 66 wdl 1000 0 0 nodes 1648072436 nps 4633594 hashfull 417 tbhits 1827733 time 355679 pv a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 g7g6 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 h7h6 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 h6h5 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 h5h4 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 g6g5 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 h4h3 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 g4g3 f2g3 g5g4 a5b4 b7a8 b4a3 a8b7 a3b2 b7a8 b2b1 b5b4 c3b4 c4c3 b1c1 a8b7 d2c3 b7a8 c1d2 a8b7 d2d3 b7a8 b4b5 a8b7 b5c6 b7c6 a7a8q c6c5 a8d8 c5b5 b6b7 b5c6 b7b8q c6c5 b8b6
8/Pk2p1pp/1Pp1P3/1pP3p1/2p5/2Pp4/3P1P1P/7K w - - bm #69; info depth 44 seldepth 141 multipv 1 score mate 69 wdl 1000 0 0 nodes 3878680774 nps 4608726 hashfull 769 tbhits 4127589 time 841595 pv h1g2 b7a8 g2f1 g5g4 f1e1 a8b7 e1d1 b7a8 d1c1 a8b7 c1b1 b7a8 b1b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 h7h6 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 h6h5 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 g7g6 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 h5h4 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 g6g5 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 h4h3 a5b4 b7a8 b4a3 a8b7 a3a2 b7a8 a2b2 a8b7 b2a3 b7a8 a3b4 a8b7 b4a5 g4g3 f2g3 g5g4 a5b4 b7a8 b4a3 a8b7 a3b2 b7a8 b2b1 b5b4 c3b4 c4c3 b1c1 c3d2 c1d2 a8b7 d2d3 b7a8 d3c3 a8b7 c3c4 b7a8 b4b5 c6b5 c4b5 a8b7 c5c6 b7a8 c6c7 a8b7 c7c8q b7c8 a7a8q