Quite hard position from TCEC

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xr_a_y
Posts: 1872
Joined: Sat Nov 25, 2017 2:28 pm
Location: France

Quite hard position from TCEC

Post by xr_a_y »

Minic may have missed the win here versus Weiss

[d] r2r1k2/p3qpp1/1p1ppn1p/n5B1/P1PNbP2/2P3Q1/4B1PP/4RRK1 w - - 0 18

Minic played Qh4 while the winning move may be Bg4 (Crystal scored it +3)

What other engines say ?
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xr_a_y
Posts: 1872
Joined: Sat Nov 25, 2017 2:28 pm
Location: France

Re: Quite hard position from TCEC

Post by xr_a_y »

The line may be

[pgn]
[FEN "r2r1k2/p3qpp1/1p1ppn1p/n5B1/P1PNbP2/2P3Q1/4B1PP/4RRK1 w - - 0 18"]

18. Bg4 hxg5 19. fxg5 Nxg4 20. Qxg4 Bg6 21. Rxe6 Qd7
22. Qh4 Kg8 23. Re3 Re8 24. Rh3 Qxh3 25. Qxh3
[/pgn]

Far from a clear win at the end anyway ...
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RubiChess
Posts: 660
Joined: Fri Mar 30, 2018 7:20 am
Full name: Andreas Matthies

Re: Quite hard position from TCEC

Post by RubiChess »

Tested for 10 minutes on one thread.
Rubi-1.9 with hce finds Bg4 after 50 seconds and with eval > 1 after 6 minutes.
Rubi-1.9 NNUE doesn't find it, wants Bh4 with eval ~0.5.
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fastgm
Posts: 818
Joined: Mon Aug 19, 2013 6:57 pm

Re: Quite hard position from TCEC

Post by fastgm »

[d]r2r1k2/p3qpp1/1p1ppn1p/n5B1/P1PNbP2/2P3Q1/4B1PP/4RRK1 w - - 0 18
Dragon by Komodo Chess 64-bit:

Code: Select all

 19	00:02	 58.784.651	20.818.742	+1,65	18.Bg4 hxg5 19.fxg5 Nxg4 20.Qxg4 Bg6 21.Rxe6 Qd7 22.Qh4 Kg8 23.Re3 Nxc4 24.Rh3 Qxh3 25.Qxh3 Re8 26.Qd7 Nd2 27.Rf4 Re1+ 28.Kf2
 20	00:04	 121.319.829	25.470.298	+1,62	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.f5 e5 23.Qxh5 Qd6 24.Ne6+ Ke7 25.Nxd8 Rxd8 26.Bf3 Bc4 27.Be2 Qc6 28.Bxc4 Nxc4 29.Rf3 Rd2 30.Rg3 Qxa4
 21	00:05	 134.845.542	26.188.163	+2,05	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.Qxh5 Qc5 23.Kh1 Kg7 24.Bf3 Rh8 25.Qg4+ Kf8 26.f5 Qd6 27.h3 e5 28.Bxd5 Qxd5 29.Ne6+ fxe6 30.fxe6 Rh6 31.Rd1
 22	00:07	 218.275.540	28.847.709	+1,85	18.Bg4 Nxc4 19.Bxf6 Qxf6 20.f5 Nd2 21.Rf2 exf5 22.Rxd2 Re8 23.Rf2 g6 24.Be2 Re5 25.Bf1 Rae8 26.Rd1 R8e7 27.Nb5 d5 28.Qe3 Qg5 29.Qd4 Qf6
 23	00:09	 306.537.292	30.840.967	+2,24	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.Qxh5 Qc5 23.Kh1 Kg7 24.Bf3 Rh8 25.Qg4+ Kf8 26.f5 Qd6 27.h3 e5 28.Bxd5 Qxd5 29.Ne6+ Ke7 30.Nc7 Qc4 31.Qxc4 Nxc4 32.Nxa8 Rxa8
 24	00:13	 439.710.720	32.392.488	+2,36	18.Bg4 Nxc4 19.Bxf6 Qxf6 20.f5 e5 21.Ne6+ Kg8 22.Nxd8 Rxd8 23.Rxe4 Nd2 24.Ree1 Nxf1 25.Rxf1 d5 26.Be2 Rc8 27.Qd3 Rc5 28.Qe3 Kh8 29.Bb5 Kg8 30.Ba6 Kh8
 25	00:17	 580.061.875	33.301.860	+2,57	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.Qxh5 Qc5 23.Kh1 Kg7 24.Bf3 Qxc3 25.Qg4+ Kf8 26.f5 e5 27.Ne6+ Ke7 28.Nxd8 Rxd8 29.Bxd5 Rxd5 30.Rc1 Qd4 31.Qh5 Qxa4 32.Qf3 Rd7
 26	00:23	 802.121.702	34.211.536	+2,46	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.Qxh5 Qc5 23.Kh1 Kg7 24.Bf3 Rh8 25.Qg4+ Kf8 26.f5 Qd6 27.h3 e5 28.Bxd5 Qxd5 29.Ne6+ Ke7 30.Nf4 Qc4 31.Qg7 Rag8 32.Ng6+ Kd7 33.Qxf6 fxg6
 27	00:27	 942.360.142	34.382.539	+2,27	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.Qxh5 Qc5 23.Kh1 Kg7 24.Bf3 Rh8 25.Qg4+ Kf8 26.f5 Qd6 27.h3 e5 28.Bxd5 Qxd5 29.Ne6+ Ke7 30.Nc7 Qc4 31.Qxc4 Nxc4 32.Nxa8 Rxa8 33.g4 Nd6
 28	00:35	1.257.190.808	34.994.933	+2,62	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.Qxh5 Qc5 23.Kh1 Kg7 24.Bf3 Rh8 25.Qg4+ Kf8 26.f5 Qd6 27.h3 e5 28.Ne6+ Ke7 29.Bxd5 Qxd5 30.Nc7 Qc4 31.Qxc4 Nxc4 32.Nxa8 Rxa8 33.g4 Rc8 34.Rf3 Nd2 35.Rd3 Nc4 36.Rb1 e4 37.Rd4
 29	00:39	1.393.780.289	35.057.010	+2,35	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.Qxh5 Qc5 23.Kh1 Kg7 24.Bf3 Rh8 25.Qg4+ Kf8 26.f5 Qd6 27.h3 e5 28.Bxd5 Qxd5 29.Ne6+ Ke7 30.Nc7 Qc4 31.Qxc4 Nxc4 32.Nxa8 Rxa8 33.Kh2 Rc8 34.g4 Nd6 35.Rf3 Rc4 36.a5 bxa5 37.Rd3 a4 38.Red1
 30	00:55	1.984.313.186	35.482.468	+2,57	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.f5 e5 23.Ne6+ Ke8 24.Qxh5 Kd7 25.Nxd8 Rxd8 26.Qh4 Qc5+ 27.Kh1 Qc6 28.Bf3 Bxf3 29.Rxf3 Kc7 30.Rg3 Nb3 31.h3 Rd7 32.Rg4 Kb7 33.Rc4 Nc5 34.Kh2 Rd2 35.Qg3 Qd5
 31	01:08	2.459.130.134	35.659.640	+2,62	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.f5 e5 23.Ne6+ Ke8 24.Qxh5 Kd7 25.Nxd8 Rxd8 26.Qh4 Qc5+ 27.Kh1 Qc6 28.Bf3 Bxf3 29.Rxf3 Kc7 30.Rg3 Nb3 31.h3 Rd7 32.Rg4 Kb7 33.Rc4 Nc5 34.Kh2 Rd2 35.Rg4 Nd3 36.Rf1 Nf4 37.Rf2
 32	01:28	3.169.519.317	35.847.168	+2,85	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.f5 e5 23.Ne6+ Ke8 24.Qxh5 Kd7 25.Nxd8 Rxd8 26.Qh4 Qc5+ 27.Kh1 Qc6 28.Bf3 Bxf3 29.Rxf3 Kc7 30.Qg4 Nb3 31.h4 Nc5 32.Qc4 e4 33.Rf4 Nd3 34.Rexe4 Nxf4 35.Rxf4 Qc5 36.Qxf7+ Kb8 37.Qxf6 Rd1+ 38.Kh2 Qg1+ 39.Kg3
 33	02:59	6.493.833.793	36.104.473	+2,70	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 h5 22.f5 e5 23.Ne6+ Ke8 24.Qxh5 Kd7 25.Nxd8 Rxd8 26.Qh4 Bb3 27.Bf3 Ke8 28.Rf2 Qd6 29.Qb4 Qxb4 30.cxb4 Nc4 31.Bc6+ Kf8 32.Rc1 Rd4 33.Rc3 Bd1 34.h3 a6 35.Rf1 Ke7 36.Rg3 Nd6 37.a5
 34	04:00	8.646.978.777	35.986.526	+3,23	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 Nc6 22.Qxh6+ Ke8 23.f5 e5 24.Ne6 Kd7 25.Nxd8 Rxd8 26.Qe3 Na5 27.Rd1 Kc7 28.Be2 Qa3 29.Bb5 Nb7 30.Rfe1 a6 31.Bxa6 Qxa4 32.Bxb7 Kxb7 33.h3 Qc6 34.Qg3 Rh8 35.Rd2 Rh5 36.Kh2 Rxf5
 35	06:34	14.101.367.603	35.747.353	+3,38	18.Bg4 Nxc4 19.Nxe6+ fxe6 20.Rxe4 d5 21.Bxf6 Qxf6 22.Rxe6 Qf7 23.Qh4 Kg8 24.f5 Nd2 25.Rd1 Nb3 26.Re7 Qf6 27.Qxf6 gxf6 28.Bf3 Nc5 29.Bxd5+ Kh8 30.c4 a5 31.Rde1 Rac8 32.Rf7 Nd3 33.Rb1 Rd6 34.Be6 Ne5 35.Rxf6 Kg7 36.Rxh6 Kxh6 37.Bxc8 Nxc4 38.Ba6 Ne3
 36	08:03	17.252.726.963	35.682.652	+3,31	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 Nc6 22.Qxh6+ Ke8 23.f5 e5 24.Ne6 Kd7 25.Nxd8 Rxd8 26.Qe3 Na5 27.Rd1 Ke8 28.Be2 Nc4 29.Bxc4 Bxc4 30.Rxd8+ Qxd8 31.Re1 Qd7 32.h4 Qxf5 33.Qe4 Qxe4 34.Rxe4 Bd3 35.Re1 Bg6 36.Re3 Kf8 37.Rg3 Bh5 38.c4 Bd1 39.a5
 37	10:24	22.190.610.483	35.536.911	+3,52	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 Nc6 22.Qxh6+ Ke8 23.f5 e5 24.Ne6 Kd7 25.Nxd8 Rxd8 26.Kh1 Bb3 27.Bd1 Bc4 28.Be2 Bxe2 29.Rxe2 Kc8 30.Rd2 Re8 31.Rfd1 e4 32.Qe3 Qa3 33.h3 Qxa4 34.Qf4 Ne5 35.Rd4 Qc6 36.Qxe4 Qxe4 37.Rxe4 Rh8 38.Rc1
 38	16:28	34.805.766.023	35.211.480	+3,42	18.Bg4 hxg5 19.fxg5 Nxg4 20.Qxg4 Bg6 21.Rxe6 Qd7 22.Qh4 Kg8 23.Re3 Re8 24.Rh3 Qxh3 25.Qxh3 Re4 26.Nf5 Nxc4 27.Ng3 Ree8 28.Rf4 Ne5 29.Rh4 Kf8 30.Ne2 Ke7 31.Nf4 Rac8 32.Nd5+ Kd8 33.Rh8 Rc5 34.Rxe8+ Kxe8 35.Qh8+ Kd7 36.Nf4 Rxc3 37.h3 Be4 38.Qxg7 Rc1+ 39.Kh2 Kc6 40.Qh8 Kc5 41.Qc8+ Bc6 42.Qf5 Rc3 43.Ne2 Rc4 44.Qf2+ Kb4 45.Qf6 Kc5 46.Qf5 Bxa4 47.Qf2+ Kc6
 39	19:24	40.889.567.566	35.110.500	+3,57	18.Bg4 hxg5 19.fxg5 Nxg4 20.Qxg4 Bg6 21.Rxe6 Qd7 22.Qh4 Kg8 23.Re3 Nxc4 24.Rh3 Qxh3 25.Qxh3 Ne5 26.Rf4 Bb1 27.Nb5 d5 28.Qg3 Nc6 29.Rf1 Bg6 30.Qc7 Rac8 31.Qb7 Na5 32.Qxa7 Nc4 33.Re1 Be4 34.h4 Ra8 35.Qe7 Re8 36.Qb4 Rad8 37.Nd4 Rc8 38.Nf3 Bxf3 39.Rxe8+ Rxe8 40.gxf3 Re1+ 41.Kf2 Re5
 40	23:43	49.870.135.616	35.022.363	+3,54	18.Bg4 hxg5 19.fxg5 Nxg4 20.Qxg4 Bg6 21.Rxe6 Qd7 22.Qh4 Kg8 23.Re3 Re8 24.Rh3 Qxh3 25.Qxh3 Re4 26.Nf5 Nxc4 27.Ng3 Ree8 28.Rf4 Ne5 29.Rh4 Kf8 30.Ne2 Ke7 31.Nf4 Rac8 32.Nd5+ Kd8 33.Rh8 Rc5 34.Rxe8+ Kxe8 35.Qh8+ Kd7 36.Qa8 Ke6 37.Ne3 Nc6 38.Qc8+ Ke5 39.Qf8 Ke4 40.Nf1 Rxc3 41.Qxd6
 41	29:51	62.412.631.697	34.829.341	+3,67	18.Bg4 hxg5 19.fxg5 Nxg4 20.Qxg4 Bg6 21.Rxe6 Qd7 22.Qh4 Kg8 23.Re3 Re8 24.Rh3 Qxh3 25.Qxh3 Re4 26.Nf5 Nxc4 27.Ng3 Ree8 28.Rf4 Ne5 29.Rh4 Kf8 30.Nf1 Ke7 31.Ne3 Rac8 32.Nd5+ Kd8 33.Rh8 Rc5 34.Rxe8+ Kxe8 35.Qh8+ Kd7 36.Qa8 Ke6 37.Ne3 f6 38.Qxa7 fxg5 39.Qxg7 Rxc3 40.Qg8+ Kd7 41.Nd5 Rc1+ 42.Kf2 Bf7 43.Nf6+ Ke6 44.Qxg5 Rc2+ 45.Kg3
 42	37:31	77.910.277.875	34.604.175	+3,84	18.Bg4 d5 19.Bxf6 gxf6 20.cxd5 Bxd5 21.Qh4 Nc6 22.Qxh6+ Ke8 23.f5 e5 24.Ne6 Kd7 25.Nxd8 Rxd8 26.Kh1 Kc7 27.Rd1 Na5 28.h4 Nb7 29.Be2 Nc5 30.Kh2 Nxa4 31.h5 a5 32.c4 Bc6 33.Rxd8 Qxd8 34.Qg7 Qd2 35.Qxf7+ Bd7 36.Bg4 Qg5 37.Qg6 Qh4+ 38.Bh3 Nb2 39.h6 Nxc4 40.Qg4 Qxg4 41.Bxg4 Bc6
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