tooka while to find this mate in 13

[Dann Corbit]

Analysis of Q:\fm2.epd
2019-05-09 9:55:23 PM Level: 80 Ply
Analyzing engine: ChestUCI_AutoTurbo

1
Avoid move:
Best move (ChestUCI_AutoTurbo): Re6-f6
Not found in: 2:54:58
FEN: n7/p4RB1/2p1R1B1/r1p3P1/P1P3Pp/2Pp3P/bnP2pNK/3r1k2 w - - (13+12)
Position-Analysis: C0/R0/K1/P7/X18 W:7/38
Parameters found in Database: #13; --:-- @ C0/R-5/K3/P8/X35;
Search for Special-Mate [C0/R-5/K3/P8/X35] in 13 ... (Hash=1898MB)
d=1 t=0.00s [1.00] n=0kN [1.00] Hash: spd=1.00 in=1 out=0
d=2 t=0.00s [1.00] n=0kN [133.00] Hash: spd=1.00 in=1 out=0
d=3 t=0.01s [1.00] n=4kN [30.06] Hash: spd=1.00 in=45 out=0
d=4 t=0.09s [9.00] n=49kN [12.23] Hash: spd=1.42 in=1221 out=0
d=5 t=0.94s [10.44] n=559kN [11.44] Hash: spd=1.96 in=20409 out=0
d=6 t=10.32s [10.98] n=6149kN [10.99] Hash: spd=2.50 in=221039 out=0
d=7 t=30.19s [2.93] n=17440kN [2.84] Hash: spd=3.22 in=719525 out=0
d=8 t=92.08s [3.05] n=53480kN [3.07] Hash: spd=3.71 in=2366210 out=0
d=9 t=242.67s [2.64] n=140380kN [2.62] Hash: spd=5.06 in=6711483 out=16
d=10 t=715.26s [2.95] n=415195kN [2.96] Hash: spd=6.03 in=21143208 out=33632
d=11 t=1657.81s [2.32] n=950273kN [2.29] Hash: spd=7.44 in=52202376 out=7741915
d=12 t=4083.50s [2.46] n=2330348kN [2.45] Hash: spd=8.63 in=134155413 out=86078590
13 1:59:03 3,904,948,512 583,691 +M13 Ref6
d=13 t=9723.76s [2.38] n=5882339kN [2.52] Hash: spd=8.81 in=349093749 out=301016582
Search completed ... (Time=9723.82s)
Mate in 13 found ! (1 Solution in 2:42:03)
13/13 2:54:57 5,882,339,303 604,941 +M13 Ref6 Rd2 Re7 Rd1 Be8 Nxc4 Bxc6 Rxa4 Rf4 dxc2 Bf3 c1N Nxh4 Ne5 Rxe5 Bd5 Nf5 Be4 Rexe4 Rxe4 Rxe4 Ne2 Ng3+ Nxg3 Bg2+
2019-05-10 12:50:24 AM, Time for this analysis: 02:54:58, Rated time: 2:54:58

Of course, chest only uses 1 thread