Von hier: https://forum.computerschach.de/cgi-bin/mwf/topic_show.pl?pid=151005#pid151005

2R2r2/1B3p1k/4p1pP/3pP1P1/K2P1P2/8/8/8 b - - 2 45 (Matt in zwölf Zügen)

FEN: 2R2r2/1B3p1k/4p1pP/3pP1P1/K2P1P2/8/8/8 b - - 2 45

Stockfish 11 x64 popcnt: Debug: 942.736

44/27  00:05   23.690k  4.405k  -M13  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 Lc8xe6 Kh7-h8 Le6xd5 Kh8-h7 e5-e6 Kh7-h8 Kf7xg6 Kh8-g8 e6-e7+ Kg8-h8 e7-e8D+
45/27  00:07   30.060k  4.166k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 f4-f5 g6xf5 Lc8-a6 Kh7-h8 g5-g6 f5-f4 La6-d3 f4-f3 g6-g7+
46/25  00:07   30.224k  4.166k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 f4-f5 g6xf5 Lc8-a6 Kh7-h8 g5-g6 f5-f4 La6-d3 f4-f3 g6-g7+
47/25  00:07   31.304k  4.157k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 f4-f5 g6xf5 Lc8-a6 Kh7-h8 g5-g6 f5-f4 La6-d3 f4-f3 g6-g7+
48/25  00:07   31.494k  4.162k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 f4-f5 g6xf5 Lc8-a6 Kh7-h8 g5-g6 f5-f4 La6-d3 f4-f3 g6-g7+
49/25  00:07   33.399k  4.233k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 f4-f5 g6xf5 Lc8-a6 Kh7-h8 g5-g6 f5-f4 La6-d3 f4-f3 g6-g7+
50/25  00:08   34.104k  4.248k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 f4-f5 g6xf5 Lc8-a6 Kh7-h8 g5-g6 f5-f4 La6-d3 f4-f3 g6-g7+
51/25  00:08   35.408k  4.287k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 f4-f5 g6xf5 Lc8-a6 Kh7-h8 g5-g6 f5-f4 La6-d3 f4-f3 g6-g7+
52/25  00:08   36.831k  4.303k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 f4-f5 g6xf5 Lc8-a6 Kh7-h8 g5-g6 f5-f4 La6-d3 f4-f3 g6-g7+
53/25  00:08   38.739k  4.365k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 f4-f5 g6xf5 Lc8-a6 Kh7-h8 g5-g6 f5-f4 La6-d3 f4-f3 g6-g7+
54/25  00:09   39.781k  4.384k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 f4-f5 g6xf5 Lc8-a6 Kh7-h8 g5-g6 f5-f4 La6-d3 f4-f3 g6-g7+
55/25  00:09   41.040k  4.414k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d7 Kg8-h7 Kd7-e8 Kh7-g8 Ke8-e7 Kg8-h8 Ke7xf7 Kh8-h7 f4-f5 g6xf5 Lc8-a6 Kh7-h8 g5-g6 f5-f4 La6-d3 f4-f3 g6-g7+
Bester Zug: Tf8xc8, Wert: -Matt in 12, Tiefe: 55/25, Dauer: 00:09,730, 41.040.163 Knoten, 4.414k

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
FEN: 2R2r2/1B3p1k/4p1pP/3pP1P1/K2P1P2/8/8/8 b - - 2 45

Ein Stockfisch von mir selbst compiliert
Holzknecht 14.1: Debug: 140.059

28/28  00:00   1.849k  2.814k  -M14  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b4 Kg8-h8 Kb4-c5 Kh8-h7 Kc5-d6 Kh7-h8 Kd6-e7 Kh8-g8 Lc8-d7 Kg8-h8 Ke7xf7 Kh8-h7 Ld7-c8 Kh7-h8 Lc8xe6 Kh8-h7 Le6xd5 Kh7-h8 e5-e6 Kh8-h7 e6-e7 Kh7-h8 e7-e8D+ Kh8-h7 De8-g8+
29/29  00:00   2.000k  2.789k  -M13  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b5 Kg8-h7 Kb5-c6 Kh7-g8 Kc6-d6 Kg8-h7 Kd6-e7 Kh7-g8 Lc8-d7 Kg8-h7 Ke7xf7 Kh7-h8 Ld7xe6 Kh8-h7 Le6xd5 Kh7-h8 e5-e6 Kh8-h7 e6-e7 Kh7-h8 e7-e8D+ Kh8-h7 De8-g8+
30/27  00:00   2.110k  2.783k  -M13  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b4 Kg8-h8 Kb4-c5 Kh8-h7 Kc5-d6 Kh7-h8 Kd6-e7 Kh8-g8 Lc8-d7 Kg8-h7 Ke7xf7 Kh7-h8 Ld7xe6 Kh8-h7 Le6xd5 Kh7-h8 e5-e6 Kh8-h7 e6-e7 Kh7-h8 e7-e8D+ Kh8-h7 De8-g8+
31/25  00:00   2.461k  2.790k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b4 Kg8-h8 Kb4-c5 Kh8-h7 Kc5-d6 Kh7-h8 Kd6-e7 Kh8-g8 Lc8-d7 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+
32/25  00:00   2.482k  2.789k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b4 Kg8-h8 Kb4-c5 Kh8-h7 Kc5-d6 Kh7-h8 Kd6-e7 Kh8-g8 Lc8-d7 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+
33/25  00:00   2.529k  2.788k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b4 Kg8-h8 Kb4-c5 Kh8-h7 Kc5-d6 Kh7-h8 Kd6-e7 Kh8-g8 Lc8-d7 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+
34/25  00:00   2.675k  2.792k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b4 Kg8-h8 Kb4-c5 Kh8-h7 Kc5-d6 Kh7-h8 Kd6-e7 Kh8-g8 Lc8-d7 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+
35/25  00:00   2.792k  2.795k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b4 Kg8-h8 Kb4-c5 Kh8-h7 Kc5-d6 Kh7-h8 Kd6-e7 Kh8-g8 Lc8-d7 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+
36/25  00:01   2.971k  2.805k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b4 Kg8-h8 Kb4-c5 Kh8-h7 Kc5-d6 Kh7-h8 Kd6-e7 Kh8-g8 Lc8-d7 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+
37/25  00:01   3.146k  2.814k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b4 Kg8-h8 Kb4-c5 Kh8-h7 Kc5-d6 Kh7-h8 Kd6-e7 Kh8-g8 Lc8-d7 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+
38/25  00:01   3.227k  2.818k  -M12  Tf8xc8 Lb7xc8 Kh7-g8 Ka4-b4 Kg8-h8 Kb4-c5 Kh8-h7 Kc5-d6 Kh7-h8 Kd6-e7 Kh8-g8 Lc8-d7 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
FEN: 2R2r2/1B3p1k/4p1pP/3pP1P1/K2P1P2/8/8/8 b - - 2 45

MateFinder.10.x64.popcnt: Debug: 473.787

28/27  00:01   4.862k  4.693k  -M13  Tf8xc8 Lb7xc8 Kh7-h8 Ka4-b4 Kh8-h7 Kb4-c5 Kh7-g8 Kc5-d6 Kg8-f8 Lc8-d7 Kf8-g8 Kd6-e7 Kg8-h8 Ke7xf7 Kh8-h7 Ld7xe6 Kh7-h8 Le6xd5 Kh8-h7 e5-e6 Kh7-h8 Kf7xg6 Kh8-g8 e6-e7+ Kg8-h8 e7-e8D+
29/27  00:01   5.246k  4.701k  -M13  Tf8xc8 Lb7xc8 Kh7-h8 Ka4-b4 Kh8-h7 Kb4-c5 Kh7-g8 Kc5-d6 Kg8-f8 Lc8-d7 Kf8-g8 Kd6-e7 Kg8-h8 Ke7xf7 Kh8-h7 Ld7xe6 Kh7-h8 Le6xd5 Kh8-h7 e5-e6 Kh7-h8 Kf7xg6 Kh8-g8 e6-e7+ Kg8-h8 e7-e8D+
30/27  00:02   12.014k  4.860k  -M12  Tf8xc8 Lb7xc8 Kh7-h8 Ka4-b5 Kh8-h7 Kb5-c5 Kh7-g8 Kc5-d6 Kg8-f8 Lc8-d7 Kf8-g8 Kd6-e7 Kg8-h8 Ke7xf7 Kh8-h7 Ld7xe6 Kh7-h8 f4-f5 g6xf5 g5-g6 f5-f4 Le6-f5 f4-f3 g6-g7+
31/25  00:02   12.742k  4.876k  -M12  Tf8xc8 Lb7xc8 Kh7-h8 Ka4-b4 Kh8-h7 Kb4-c5 Kh7-g8 Kc5-d6 Kg8-h7 Lc8xe6 f7xe6 Kd6xe6 Kh7-g8 Ke6-e7 Kg8-h7 Ke7-f7 Kh7-h8 e5-e6 Kh8-h7 e6-e7 Kh7-h8 e7-e8D+ Kh8-h7 De8-g8+
32/25  00:02   14.081k  4.706k  -M12  Tf8xc8 Lb7xc8 Kh7-h8 Ka4-b4 Kh8-h7 Kb4-c5 Kh7-g8 Kc5-d6 Kg8-h7 Lc8xe6 f7xe6 Kd6xe6 Kh7-g8 Ke6-e7 Kg8-h7 Ke7-f7 Kh7-h8 e5-e6 Kh8-h7 e6-e7 Kh7-h8 e7-e8D+ Kh8-h7 De8-g8+
33/25  00:03   16.679k  4.828k  -M12  Tf8xc8 Lb7xc8 Kh7-h8 Ka4-b4 Kh8-h7 Kb4-c5 Kh7-g8 Kc5-d6 Kg8-h7 Lc8xe6 f7xe6 Kd6xe6 Kh7-g8 Ke6-e7 Kg8-h7 Ke7-f7 Kh7-h8 e5-e6 Kh8-h7 e6-e7 Kh7-h8 e7-e8D+ Kh8-h7 De8-g8+
Bester Zug: Tf8xc8, Wert: -Matt in 12, Tiefe: 33/25, Dauer: 00:03,854, 16.679.486 Knoten, 4.828k

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
FEN: 2R2r2/1B3p1k/4p1pP/3pP1P1/K2P1P2/8/8/8 b - - 2 45

Stockfish 9_x64_popcnt: Debug: 1.072.050

37/27  00:01   8.614k  5.612k  -M13  Tf8-h8 Tc8xh8+ Kh7xh8 Ka4-b5 Kh8-g8 Kb5-c6 Kg8-h8 Kc6-d7 Kh8-h7 Kd7-e7 Kh7-g8 Lb7-c8 Kg8-h8 Ke7xf7 Kh8-h7 Lc8xe6 Kh7-h8 Le6xd5 Kh8-h7 e5-e6 Kh7-h8 Kf7xg6 Kh8-g8 e6-e7+ Kg8-h8 e7-e8D+
38/27  00:01   9.351k  5.619k  -M13  Tf8-h8 Tc8xh8+ Kh7xh8 Ka4-b5 Kh8-g8 Kb5-c6 Kg8-h8 Kc6-d7 Kh8-h7 Kd7-e7 Kh7-g8 Lb7-c8 Kg8-h8 Ke7xf7 Kh8-h7 Lc8xe6 Kh7-h8 Le6xd5 Kh8-h7 e5-e6 Kh7-h8 Kf7xg6 Kh8-g8 e6-e7+ Kg8-h8 e7-e8D+
39/27  00:02   11.971k  5.789k  -M12  Tf8-h8 Ka4-b5 Th8-g8 Tc8xg8 Kh7xg8 Kb5-c6 Kg8-h8 Kc6-d7 Kh8-h7 Kd7-e7 Kh7-g8 Lb7-a6 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 Kh7-h8 Kf7xg6 Kh8-g8 e7-e8D+
40/25  00:02   12.577k  5.823k  -M12  Tf8-h8 Ka4-b5 Th8-g8 Tc8xg8 Kh7xg8 Kb5-c6 Kg8-h8 Kc6-d7 Kh8-h7 Kd7-e7 Kh7-g8 Lb7-a6 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 Kh7-h8 Kf7xg6 Kh8-g8 e7-e8D+
41/25  00:02   13.451k  5.871k  -M12  Tf8-h8 Ka4-b5 Th8-g8 Tc8xg8 Kh7xg8 Kb5-c6 Kg8-h8 Kc6-d7 Kh8-h7 Kd7-e7 Kh7-g8 Lb7-a6 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 Kh7-h8 Kf7xg6 Kh8-g8 e7-e8D+
42/25  00:02   14.277k  5.822k  -M12  Tf8-h8 Ka4-b5 Th8-g8 Tc8xg8 Kh7xg8 Kb5-c6 Kg8-h8 Kc6-d7 Kh8-h7 Kd7-e7 Kh7-g8 Lb7-a6 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 Kh7-h8 Kf7xg6 Kh8-g8 e7-e8D+
43/25  00:02   15.399k  5.898k  -M12  Tf8-h8 Ka4-b5 Th8-g8 Tc8xg8 Kh7xg8 Kb5-c6 Kg8-h8 Kc6-d7 Kh8-h7 Kd7-e7 Kh7-g8 Lb7-a6 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 Kh7-h8 Kf7xg6 Kh8-g8 e7-e8D+
44/25  00:02   16.618k  5.950k  -M12  Tf8-h8 Ka4-b5 Th8-g8 Tc8xg8 Kh7xg8 Kb5-c6 Kg8-h8 Kc6-d7 Kh8-h7 Kd7-e7 Kh7-g8 Lb7-a6 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 Kh7-h8 Kf7xg6 Kh8-g8 e7-e8D+
45/25  00:02   16.738k  5.957k  -M12  Tf8-h8 Ka4-b5 Th8-g8 Tc8xg8 Kh7xg8 Kb5-c6 Kg8-h8 Kc6-d7 Kh8-h7 Kd7-e7 Kh7-g8 Lb7-a6 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 Kh7-h8 Kf7xg6 Kh8-g8 e7-e8D+
Bester Zug: Tf8-h8, Wert: -Matt in 12, Tiefe: 45/25, Dauer: 00:03,230, 16.738.332 Knoten, 5.957k

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

FEN: 2R2r2/1B3p1k/4p1pP/3pP1P1/K2P1P2/8/8/8 b - - 2 45

Stockfish_14.1_win_x64: Debug:473.787

38/27  00:00   3.947k  4.420k  -M13  Tf8-g8 Tc8xg8 Kh7xg8 Ka4-b4 Kg8-h7 Kb4-c5 Kh7-h8 Kc5-d6 Kh8-h7 Kd6-e7 Kh7-g8 Lb7-c8 Kg8-h7 Ke7xf7 Kh7-h8 Lc8xe6 Kh8-h7 Le6xd5 Kh7-h8 e5-e6 Kh8-h7 e6-e7 Kh7-h8 e7-e8D+ Kh8-h7 De8-g8+
39/25  00:01   4.565k  4.489k  -M12  Tf8-g8 Tc8xg8 Kh7xg8 Ka4-b4 Kg8-h7 Kb4-c5 Kh7-h8 Kc5-d6 Kh8-h7 Kd6-e7 Kh7-g8 Lb7-c8 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+
40/25  00:01   4.842k  4.487k  -M12  Tf8-g8 Tc8xg8 Kh7xg8 Ka4-b4 Kg8-h7 Kb4-c5 Kh7-h8 Kc5-d6 Kh8-h7 Kd6-e7 Kh7-g8 Lb7-c8 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+
41/25  00:01   5.121k  4.477k  -M12  Tf8-g8 Tc8xg8 Kh7xg8 Ka4-b4 Kg8-h7 Kb4-c5 Kh7-h8 Kc5-d6 Kh8-h7 Kd6-e7 Kh7-g8 Lb7-c8 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+
42/25  00:01   5.414k  4.500k  -M12  Tf8-g8 Tc8xg8 Kh7xg8 Ka4-b4 Kg8-h7 Kb4-c5 Kh7-h8 Kc5-d6 Kh8-h7 Kd6-e7 Kh7-g8 Lb7-c8 Kg8-h7 Ke7xf7 Kh7-h8 f4-f5 e6xf5 e5-e6 Kh8-h7 e6-e7 f5-f4 e7-e8D f4-f3 De8-g8+
Bester Zug: Tf8-g8, Wert: -Matt in 12, Tiefe: 42/25, Dauer: 00:01,605, 5.413.804 Knoten, 4.500k