Nice tactics test find 19. Rf6

[beachknight]

Code: Select all

FEN: r4rk1/2q1bpp1/p3b2p/3pP3/1p1Q4/3BB3/PPP3PP/1K1R1R2 w - - 0 1 

Grapefruit 1.0 [x64]:

 11/29	00:01	     654.396	0	+0,25	1.Rf3 a5 2.Bd2 Qc5 3.Qxc5 Bxc5 4.Re1 Rfc8 5.Bb5 Bg4 6.Rf4 Rab8
 11/29	00:02	   1.492.750	2.780.000	+0,28	1.Rc1 Rfc8 2.c3 bxc3 3.Rxc3 Qa5 4.Rxc8+ Rxc8 5.Bd2 Qc7 6.h4 Qb7 7.Ka1 Bd7
 12/29	00:03	   2.538.303	2.720.000	+0,21	1.Rc1 Qa5 2.Bd2 Rfc8 3.Rf3 Bc5 4.Qh4 d4 5.a3 Qa4 6.Be4 bxa3 7.Bxa8 a2+ 8.Ka1 Rxa8
 12/35	00:06	   4.237.330	2.686.667	+0,40	1.Rf3 Rfc8 2.Rg3 Kh8 3.Bd2 a5 4.Rf3 a4 5.Bxb4 Bxb4 6.Qxb4 Qxe5 7.Qf4 f6 8.Qxe5 fxe5
 13/35	00:07	   4.970.914	2.680.000	+0,48	1.Rf3 Rfc8 2.Rg3 Kh8 3.Rf1 Bc5 4.Qf4 Bxe3 5.Qxe3 Qc5 6.Rf4 a5 7.Qxc5 Rxc5 8.a4
 14/35	00:08	   5.524.163	2.675.000	+0,50	1.Rf3 Rfc8 2.Rg3 Kh8 3.Rf1 Bc5 4.Qf4 Bxe3 5.Qxe3 Qc5 6.Rf4 a5 7.Qxc5 Rxc5 8.Re3 Kg8
 15/40	00:15	  10.345.434	2.664.000	+0,48	1.Rf3 Rfc8 2.Rg3 Kh8 3.h4 Bc5 4.Qf4 Bxe3 5.Qxe3 Qa5 6.Qd4 Qa4 7.Ka1 a5 8.Qf4 d4
 16/46	00:21	  14.422.153	2.683.810	+0,48	1.Rf3 Rfc8 2.Rg3 Bc5 3.Qf4 Bxe3 4.Qxe3 Kh8 5.h4 Qa5 6.Qd4 h5 7.Rf1 Rc7 8.Ka1 Bg4 9.Qe3
 17/48	00:41	  28.300.047	2.715.122	+0,48	1.Rf3 Rfc8 2.Rg3 Bc5 3.Qf4 Bxe3 4.Qxe3 Kh8 5.Rf1 Qc5 6.Qc1 Qd4 7.Qf4 Qxf4 8.Rxf4 a5 9.Be2 Rc7 10.a4
 18/52	02:32	 104.793.276	2.750.255	+0,54	1.Rf3 Rfc8 2.Rg3 Bc5 3.Qf4 Bxe3 4.Qxe3 Kh8 5.Rf1 Qc5 6.Qc1 Qd4 7.Qf4 Qxf4 8.Rxf4 a5 9.Be2 g5 10.Rd4 Kg7
 19/60	15:41	 649.464.467	2.758.539	+0,35	1.Rf3 Qd8 2.Bf5 Bxf5 3.Rxf5 Qd7 4.g4 Qe6 5.h3 Rad8 6.Qd3 Rc8 7.Qxd5 Rcd8 8.Qf3 Rxd1+ 9.Qxd1 Rd8 10.Qh1 a5 11.h4 Rc8 12.Qb7 Bxh4

[beachknight]

Code: Select all

FEN: r4rk1/2q1bpp1/p3b2p/3pP3/1p1Q4/3BB3/PPP3PP/1K1R1R2 w - - 0 1 

Protector 1.3.2 [x64]:
 11/16	00:00	     522.844	0	+0,49	1.h3 Kh8 2.Qb6 Qxe5 3.Bf4 Qh5 4.Bxa6 Rfe8
 12/19	00:02	   1.682.899	3.449.714	+0,25	1.h3 a5 2.Rf3 a4 3.Qb6 Qc8 4.g4 a3
 12/22	00:02	   2.323.792	3.483.009	+0,46	1.Qf4 Bg5 2.Qg3 Bxe3 3.Qxe3 Rac8 4.Qd4 a5
 12/22	00:02	   2.331.755	3.483.009	+0,32	1.Qf4 Bg5 2.Qg3 Bxe3 3.Qxe3 a5 4.Qf4 Kh8
 13/24	00:06	   5.230.731	3.466.775	+0,20	1.Qf4 a5 2.Rf3 Bg5 3.Qd4 Bxe3 4.Rxe3 Rac8
 13/24	00:06	   5.508.797	3.476.238	+0,41	1.h3 a5 2.Ka1 Kh8 3.g4 a4 4.Qb6 Qxe5
 13/24	00:06	   5.624.484	3.475.734	+0,41	1.h3 a5 2.Ka1 Kh8 3.g4 a4 4.Qb6 Qxe5
 14/27	00:09	   8.621.245	3.502.152	+0,32	1.h3 a5 2.Qb6 Qxe5 3.Bf4 Qh5 4.Qb7 Bc5
 15/25	00:20	  18.914.409	3.552.183	+0,24	1.h3 a5 2.Qb6 Qxe5 3.Bf4 Qh5 4.Rde1 Bf6
 16/29	01:14	  67.899.498	3.607.074	+0,17	1.h3 a5 2.Rf3 Rfc8 3.Rdf1 a4 4.Qb6 b3
 16/39	01:59	 109.671.814	3.635.470	+0,38	1.Rf3 a5 2.Rg3 Kh8 3.Bxh6 Rg8 4.Qf4 g6
 16/39	02:32	 140.048.348	3.627.962	+0,38	1.Rf3 Rfc8 2.Rg3 Bc5 3.Qf4 Bxe3 4.Qxe3 Kh8
 17/33	03:43	 205.064.280	3.609.503	+0,29	1.Rf3 Rfc8 2.Rg3 Bc5 3.Qf4 Bxe3 4.Qxe3 Kh8
 18/35	12:29	 690.392.080	3.636.689	+0,29	1.Rf3 Rfc8 2.Rg3 Bc5 3.Qf4 Bxe3 4.Qxe3 Kh8

Now 50 minutes. Still evaluates Rf6 (last 30 minutes).

[beachknight]

Finally:

Code: Select all

FEN: r4rk1/2q1bpp1/p3b2p/3pP3/1p1Q4/3BB3/PPP3PP/1K1R1R2 w - - 0 1 

Protector 1.3.2 [x64]:

 18/35	12:29	 690.392.080	3.636.689	+0,29	1.Rf3 Rfc8 2.Rg3 Bc5 3.Qf4 Bxe3 4.Qxe3 Kh8
 18/39	58:03	3.215.137.977	3.610.570	+0,50	1.Rf6 gxf6 2.exf6 Bd8 3.Bxh6 Qxh2 4.Bxf8 Bxf6

[beachknight]

Code: Select all

FEN: r4rk1/2q1bpp1/p3b2p/3pP3/1p1Q4/3BB3/PPP3PP/1K1R1R2 w - - 0 1 

Arasan 11.5 [x64]:

  10	00:01	   2.412.719	1.587.315	+0,28	Bd2 a5 Qf4 Kh8 Qg3 d4 Be4 Rac8 Ka1 Bc4 Rfe1
  11	00:02	   3.759.942	1.599.975	+0,22	Bd2 a5 Ka1
  11	00:04	   8.226.506	1.645.301	+0,24	Qf4 Bg5 Qg3 Bxe3 Qxe3 Qa5 Qd2 d4 a3 Qxe5 Qxb4 Qxh2
  12	00:08	  13.967.215	1.643.201	+0,20	Qf4 Kh8 Qg3 Rac8 Ka1 Qa5 Bd4 b3 cxb3 g6 a3 Rfd8
  13	00:17	  28.739.179	1.690.539	+0,11	Qf4 Bg5
  13	00:24	  41.690.918	1.737.121	+0,12	Bd2 a5
  13	00:55	  95.331.108	1.733.292	+0,24	Rf3 Kh8 Rg3 Rfc8 Bd2 Qc5 Qxc5 Bxc5 h3 Bf2 Rf3 Bd4 Bxb4 Bxe5
  14	01:04	 109.987.408	1.718.553	+0,16	Rf3 Kh8 Rg3 Rfc8 Rf1
  15	02:02	 210.003.930	1.721.343	+0,17	Rf3 Kh8 h4
  16	04:06	 421.634.052	1.713.959	+0,20	Rf3 Kh8 Ka1 Rfc8 Rdf1 Bc5 Qxc5 Qxc5 Bxc5 Rxc5 Rf4 a5 Rd4 Rc6 Rd1 Rac8 Rc1
  17	08:54	 902.499.553	1.690.074	+0,23	Rf3 Rfc8
  18	27:37	2.847.348.448	1.717	+0,21	Rf3 Rfc8 h3

50 minutes, cont's

[beachknight]

Code: Select all

FEN: r4rk1/2q1bpp1/p3b2p/3pP3/1p1Q4/3BB3/PPP3PP/1K1R1R2 w - - 0 1 

  18	27:37	2.847.348.448	1.717	+0,21	Rf3 Rfc8 h3
  19	1:03:06	6.578.150.160	1.751	+0,21	Rf3 Rfc8 h3