On my laptop Komodo came up with f4! pretty quickly. That move should probably lead to a won position afer exd4 2. Bxd4 Bxd4 3. Rxd4 Wf6 Rybka 4.1 and DeepSjeng 2010 didnt get within 5 minutes.
2rq2k1/3b1rb1/p2p2p1/4p3/1p1N2P1/1P2BP2/1PP4Q/1K1R3R w - -
![[us]](/mwf/v12/flags/us.png "United States")
Rybka seems fast, default settings
Houdini 2.0c
17/55 0:01 +0.50++ 1.f4 (33.834.417) 20211
17/63 0:02 +0.65++ 1.f4 (40.876.659) 20017
17/63 0:02 +1.05++ 1.f4 (51.999.840) 20841
17/63 0:03 +1.56 1.f4 exd4 2.Bxd4 Kf8 3.Bxg7+ Rxg7 4.f5 gxf5 5.Rxd6 Qe7 (80.609.266) 22880
18/63 0:04 +1.67++ 1.f4 (120.675.832) 24662
18/63 0:05 +1.52 1.f4 exd4 2.Bxd4 Kf8 3.Bxg7+ Rxg7 4.f5 gxf5 5.Rxd6 Qe7 (128.228.635) 24740
19/63 0:07 +1.56 1.f4 exd4 2.Bxd4 Kf8 3.Bxg7+ Rxg7 4.f5 gxf5 5.Rxd6 Qe7 (181.031.326) 25802
20/63 0:10 +1.67++ 1.f4 (278.847.999) 26949
20/63 0:13 +1.90++ 1.f4 (383.399.567) 27550
20/63 0:14 +1.71 1.f4 exd4 2.Bxd4 Kf8 3.Bxg7+ Rxg7 4.f5 gxf5 5.Rxd6 Qe7 (394.497.052) 27531
21/63 0:19 +1.83++ 1.f4 (539.934.114) 28041
21/64 0:27 +2.06++ 1.f4 (790.171.347) 28593
21/65 0:45 +2.18 1.f4 exf4 2.Bxf4 Rxf4 3.Qxf4 Qf6 4.Qg3 Rc5 5.Qh3 Rh5 (1.339.310.814) 29352
22/65 1:06 +2.29++ 1.f4 (1.974.265.378) 29750
22/65 1:20 +2.29 1.f4 exf4 2.Bxf4 Rxf4 3.Qxf4 Qf6 4.Qg3 Rc5 5.Qh3 Rh5 (2.392.813.527) 29814
Deep Rybka 4.1 SSE42 x64
Using large pages, hash size = 4096 Mb.
17.01 0:14 +1.07++ 1.Qh7+ Kf8 2.Qxg6 Qf6 3.Qe4 exd4 4.Bxd4 Qe6 (13.182.873) 915
17.01 0:24 +1.14 1.Qh7+ Kf8 2.Qxg6 Qf6 3.Qe4 exd4 4.Bxd4 Qe6 (21.829.557) 903
17.24 0:30 +1.22++ 1.f4 exd4 2.Bxd4 Bxd4 3.Rxd4 Qf6 4.Rxd6 Rxc2 5.Kxc2 Bf5+ 6.gxf5 (27.729.405) 900
17.01 0:38 +1.62++ 1.f4 exd4 2.Bxd4 Bxd4 3.Rxd4 Qf6 4.Rxd6 Rxc2 5.Kxc2 Bf5+ 6.gxf5 (34.032.901) 888
17.01 1:12 +2.40 1.f4 exd4 2.Bxd4 Kf8 3.Bxg7+ Rxg7 4.f5 gxf5 5.Rxd6 Qe7 (63.952.596) 885
2rq2k1/3b1rb1/p2p2p1/4p3/1p1N2P1/1P2BP2/1PP4Q/1K1R3R w - -
Houdini 2.0c
17/55 0:01 +0.50++ 1.f4 (33.834.417) 20211
17/63 0:02 +0.65++ 1.f4 (40.876.659) 20017
17/63 0:02 +1.05++ 1.f4 (51.999.840) 20841
17/63 0:03 +1.56 1.f4 exd4 2.Bxd4 Kf8 3.Bxg7+ Rxg7 4.f5 gxf5 5.Rxd6 Qe7 (80.609.266) 22880
18/63 0:04 +1.67++ 1.f4 (120.675.832) 24662
18/63 0:05 +1.52 1.f4 exd4 2.Bxd4 Kf8 3.Bxg7+ Rxg7 4.f5 gxf5 5.Rxd6 Qe7 (128.228.635) 24740
19/63 0:07 +1.56 1.f4 exd4 2.Bxd4 Kf8 3.Bxg7+ Rxg7 4.f5 gxf5 5.Rxd6 Qe7 (181.031.326) 25802
20/63 0:10 +1.67++ 1.f4 (278.847.999) 26949
20/63 0:13 +1.90++ 1.f4 (383.399.567) 27550
20/63 0:14 +1.71 1.f4 exd4 2.Bxd4 Kf8 3.Bxg7+ Rxg7 4.f5 gxf5 5.Rxd6 Qe7 (394.497.052) 27531
21/63 0:19 +1.83++ 1.f4 (539.934.114) 28041
21/64 0:27 +2.06++ 1.f4 (790.171.347) 28593
21/65 0:45 +2.18 1.f4 exf4 2.Bxf4 Rxf4 3.Qxf4 Qf6 4.Qg3 Rc5 5.Qh3 Rh5 (1.339.310.814) 29352
22/65 1:06 +2.29++ 1.f4 (1.974.265.378) 29750
22/65 1:20 +2.29 1.f4 exf4 2.Bxf4 Rxf4 3.Qxf4 Qf6 4.Qg3 Rc5 5.Qh3 Rh5 (2.392.813.527) 29814
Deep Rybka 4.1 SSE42 x64
Using large pages, hash size = 4096 Mb.
17.01 0:14 +1.07++ 1.Qh7+ Kf8 2.Qxg6 Qf6 3.Qe4 exd4 4.Bxd4 Qe6 (13.182.873) 915
17.01 0:24 +1.14 1.Qh7+ Kf8 2.Qxg6 Qf6 3.Qe4 exd4 4.Bxd4 Qe6 (21.829.557) 903
17.24 0:30 +1.22++ 1.f4 exd4 2.Bxd4 Bxd4 3.Rxd4 Qf6 4.Rxd6 Rxc2 5.Kxc2 Bf5+ 6.gxf5 (27.729.405) 900
17.01 0:38 +1.62++ 1.f4 exd4 2.Bxd4 Bxd4 3.Rxd4 Qf6 4.Rxd6 Rxc2 5.Kxc2 Bf5+ 6.gxf5 (34.032.901) 888
17.01 1:12 +2.40 1.f4 exd4 2.Bxd4 Kf8 3.Bxg7+ Rxg7 4.f5 gxf5 5.Rxd6 Qe7 (63.952.596) 885
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