Hard positions posted for 6 last moonths

[MikeB]

Beautiful positions...



But, have you ever considered this one?
viewtopic.php?t=74856

1. Nc6! Bd5 2. Rd1!! Bxh1 3. Rd7!! ...


And, this one?
[d]2b1qrk1/4p3/3pPp1p/1pnP2p1/2p1P3/2P4P/2P1Q1PK/1B2BR2 b - - 0 1
1. ... Bxe6!!

Very hard!
latest Honey 13.2, clean start

57 +0.43? 48.9G 38:13.86 Bxe6 dxe6?
57 +0.54? 48.6G 37:59.01 Bxe6 dxe6?
56 +0.66 47.7G 37:17.45 Bxe6 dxe6 Qa8 Rf5 Nxe4 Rxb5 Qc6 Rf5 d5 Qd1 Rd8 Qh5 Qxe6 Qg6+ Kf8 Rf3 Qe5+ Bg3 Nxg3 Rxg3 h5 Qxh5 Kg7 Ba2 Ra8 Bxc4 dxc4 Qg4 Qc7 Qf3 Rh8 Kh1 Qd6 Qg4 Qe5 Kh2 Qc5 Rf3 Rb8 Qe4 Qd6+ Rg3 Qc7 Qf3 Qe5 Qg4 Rb1 Qxc4 Rd1 Qb4 Rf1 c4 Rf4 Qc3
55 +0.59! 25.8G 20:07.51 Bxe6!
55 +0.36! 23.1G 18:03.26 Bxe6!
55 +0.20! 20.4G 15:53.02 Bxe6!
55 +0.09! 17.9G 13:45.71 Bxe6!
54 0.00 8.69G 6:31.07 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1 Qg3 Bd5 Bxc4 Bxc4 Rxg5+ hxg5 Qxg5+ Kh8 Qh4+ Kg8 Qg4+ Kh8
53 0.00 7.69G 5:43.76 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1 Qg3 Bd5 Bxc4 Bxc4 Rxg5+ hxg5 Qxg5+ Kh8 Qh6+ Kg8 Qg6+ Kh8
52 0.00 6.84G 5:04.12 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1
51 0.00 6.53G 4:50.24 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1
50 0.00 6.17G 4:33.74 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1
49 0.00 5.15G 3:47.15 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1 Qg1 Bc6 Rxg5+ hxg5 Qxg5+ Kh7 Qh5+ Kg7
48 0.00 4.88G 3:35.11 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1 Qg1 Bc6 Rxg5+ hxg5 Qxg5+ Kh7 Qh5+ Kg7
47 0.00 4.60G 3:22.35 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1 Qg1 Bc6 Rxg5+ hxg5 Qxg5+ Kh7 Qh5+ Kg7 Qg4+ Kh7
46 0.00 4.38G 3:12.67 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1 Qe2
45 0.00 4.37G 3:12.17 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1 Qg3 Bd5 Bxc4 Bxc4 Rxg5+ hxg5 Qxg5+ Kh8 Qh6+ Kg8 Qg6+ Kh8 Qh5+
44 0.00 4.30G 3:09.27 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1 Qg3 Bd5 Bxc4 Bxc4 Rxg5+ hxg5 Qxg5+ Kh8 Qh6+ Kg8 Qg6+ Kh8 Qh6+
43 0.00 4.30G 3:09.23 Bb7 Rf5 Qa8 Bg3 Kg7 Bf2 Nxe6 dxe6 Bxe4 Rxb5 Bxg2 Ba2 Bh1 Bd4 Bf3 Qe3 Bh1 Qg3 Bd5 Bxc4 Bxc4 Rxg5+ hxg5 Qxg5+ Kh8 Qh4+ Kg8 Qg4+ Kh8
42 0.00 3.21G 2:20.28 Bb7 h4 Qg6 Rf5 gxh4 Qf3 Kh7 Bxh4 Ra8 Bg3 Ra6 Bf2 Nxe4 Qxe4 Ra1 g4 Rxb1 Kg3 Rc1 Kf3 Rd1 Ke3 Kg7 Qf3 Rxd5 Rxd5 Qxc2 Be1 Qg6 Kd4 Qc2
41 0.00 2.88G 2:05.43 Bb7 h4 Qg6 Rf5 gxh4 Qf3 Kh7 Bxh4 Ra8 Bg3 Ra6 Bf2 Nxe4 Qxe4 Ra1 g4 Rxb1 Kg3 Rc1 Kf3 Rd1 Ke3 Kg7 Qf3 Rxd5 Rxd5 Qxc2 Be1 Qg6 Kd4 Qc2
40 0.00 2.23G 1:36.86 Bb7 h4 Qg6 Rf5 gxh4 Bxh4 Ra8 Qf3 Kg7 Bf2 Nxe4 Qxe4 Ra1 Bd4 Rxb1 Bxf6+ exf6 e7 Bxd5 e8=N+ Kh8 Qxd5 Qxe8 Qxd6 Re1 Qxf6+ Kh7 Rd5 Re4 Qf5+ Kg8 Qf6
39 0.00 1.98G 1:25.61 Bb7 h4 Qg6 Rf5 gxh4 Bxh4 Ra8 Qf3 Kg7 Bf2 Nxe4 Qxe4 Ra1 Bd4 Rxb1 Bxf6+ exf6 e7 Bxd5 e8=N+ Kh8 Qxd5 Qxe8 Qxd6 Re1 Qxf6+ Kh7 Rd5 Re4 Qf5+ Kg8 Qf2 Kh7
38 0.00 1.86G 1:19.79 Bb7 h4 Qg6 Rf5 gxh4 Bxh4 Ra8 Qf3 Kg7 Bf2 Nxe4 Qxe4 Ra1 Bd4 Rxb1 Bxf6+ exf6 e7 Bxd5 e8=N+ Kh8 Qxd5 Qxe8 Qxd6 Re1 Qxf6+ Kh7 Rd5 Re4 Qf5+ Kg8 Rc5 Rh4+ Kg3 Qe1+ Kf3 Qf1+ Ke3 Qe1+
37 0.00 1.83G 1:18.41 Bb7 h4 Qg6 Rf5 gxh4 Bxh4 Ra8 Qf3 Kg7 Bf2 Nxe4 Qxe4 Ra1 Bd4 Rxb1 Bxf6+ exf6 e7 Bxd5 e8=N+ Kh8 Qxd5 Qxe8 Qxd6 Re1 Qxf6+ Kh7 Rd5 Re4 Qf5+ Kg8 Rc5 Rh4+ Kg3 Qe1+ Kf3 Qf1+ Ke3 Qe1+
36 0.00 1.78G 1:16.00 Bb7 h4 Qg6 Rf5 gxh4 Bxh4 Ra8 Qf3 Kg7 Bf2 Nxe4 Qxe4 Ra1 Bd4 Rxb1 Bxf6+ exf6 e7 Bxd5 e8=N+ Kh8 Qxd5 Qxe8 Qxd6 Re1 Qxf6+ Kh7 Rd5 Re4 Qf5+ Kg8 Kg3 Re3+ Kg4 Re4+ Kg3
35 0.00 1.69G 1:12.13 Bb7 h4 Qg6 Rf5 gxh4 Bxh4 Ra8 Qf3 Kg7 Bf2 Nxe4 Qxe4 Ra1 Bd4 Rxb1 Bxf6+ exf6 e7 Bxd5 e8=N+ Kh8 Qxd5 Qxe8 Qxd6 Re1 Qxf6+ Kh7 Rd5 Re4 Kg1 Re1+
34 0.00 1.63G 1:09.26 Bb7 h4 Qg6 Rf5 gxh4 Bxh4 Ra8 Qf3 Kg7 Bf2 Nxe4 Qxe4 Ra1 Bd4 Rxb1 Bxf6+ exf6 e7 Bxd5 e8=N+ Kh8 Qxd5 Qxe8 Qxd6 Re1 Qxf6+ Kh7 Rd5 Re4 Kg1 Re1+
33 0.00 1.62G 1:08.78 Bb7 h4 Qg6 Rf5 gxh4 Bxh4 Ra8 Qf3 Kg7 Bf2 Nxe4 Qxe4 Ra1 Bd4 Rxb1 Bxf6+ exf6 e7 Bxd5 e8=N+ Kh8 Qxd5 Qxe8 Qxd6 Re1 Qxf6+ Kh7 Rd5 Re4 Qf5+ Kh8 Qf6+
32 66 seconds
32 56 seconds
32 0.00 1.59G 1:07.82 Bb7 h4 Qg6 Rf5 gxh4 Bxh4 Ra8 Qf3 Kg7 Bf2 Nxe4 Qxe4 Ra1 Bd4 Rxb1 Bxf6+ exf6 e7 Bxd5 e8=N+ Kh8 Qxd5 Qxe8 Qxd6 Re1 Qxf6+ Kh7 Rd5 Re4 Qf5+ Kh8 Kg3 Re3+ Kh2
32 -0.04! 1.13G 0:47.43 Bb7!
31 -0.15 1.07G 0:44.87 Bb7 Rf5 Qa8 Qg4 Nxe6 dxe6 Bxe4 Rxb5 Kh7 Rb4 Qc6 Kg1 Kg6 h4 Kh7 h5 d5 Qg3 Qxe6 Rb7 Rf7 Bf2 Qf5 Bc5 Qc8 Rc7 Qb8 Ba2 Kg8 Kh2 Qb2 Rxe7 Rxe7 Bxe7 Qxc2 Bxf6 Qxa2 Bd4 Qb2 Qg4 Qb8+ Kg1 Qb1+ Kh2
30 36 seconds
30 -0.09 919.9M 0:38.47 Bb7 Rf5 Qa8 Qg4 Nxe6 dxe6 Kh7 Rxb5 Bxe4 Rb4 Qc6 Kg1 Kg6 h4 Kh7 Kf1 Rg8 h5 f5 Qe2 d5 Bf2 Qxe6 Ke1 Qe5 Kd2 Qh2 g3 e5 Be1 Qh1 Rb6 Rg7 Re6 f4 Qf2 Qxh5 Rxe5 Rb7 Kc1 fxg3 Qxg3 Qe2 Qf2
30 -0.15! 839.0M 0:35.21 Bb7!
30 -0.47! 748.2M 0:31.52 Bb7!
30 -0.67? 744.7M 0:31.36 Bb7 Rf5?
30 -0.45! 672.1M 0:28.17 Bb7!
30 -0.56? 656.3M 0:27.47 Bb7 Rf5?
29 -0.45 642.3M 0:26.85 Bb7 Rf5 Qa8 Qg4 Nxe6 dxe6 Bxe4 Rxb5 Qc6 Rb4 Kh7 Bf2 Kg6 h4 f5 Qh3 Rg8 Bd4 Kh7 Kg1 Qc8 Ba2 d5 h5 Qc7 Qe3 Ra8 Bb1 f4 Qf2 g4 Qh4 Rg8 Rb6 Rg5 Kf2 Qa7 g3
29 -0.43? 638.7M 0:26.67 Bb7 Rf5?
29 -0.27? 638.3M 0:26.66 Bb7 Rf5?
29 -0.04! 638.3M 0:26.66 Bb7!
28 -0.15 564.1M 0:23.40 Bb7 Rf5 Qa8 Qg4 Nxe6 dxe6 Bxe4 Rxb5 Qc6 Rb4 Kg7 h4 Kh7 Qh5 Rg8 Bd2 Qc5 hxg5 Rg6 Qh4 Qd5 Be3 fxg5 Qh3 g4 Qg3 Qd1 Rb8 Rg7 Bd4 Rg5 Rh8+ Kg6
28 -0.03! 562.3M 0:23.32 Bb7!
28 -0.20! 472.3M 0:19.74 Bb7!
28 -0.31! 450.7M 0:18.89 Bb7!
27 -0.42 364.8M 0:15.42 Bb7 Rf5 Qa8 Qg4 Nxe6 dxe6 Bxe4 Rxb5 Kh7 Rb4 Qc6 Bf2 Kg6 h4 f5 Qe2 d5 h5+ Kh7 Kg1 Qxe6 Rb6 Qd7 Qe3 f4 Qc5 g4 Bh4 f3 Qe3
27 -0.64! 338.4M 0:14.35 Bb7!
27 -0.83? 332.7M 0:14.12 Bb7 h4?
27 -0.61! 320.6M 0:13.64 Bb7!
27 -0.72? 299.4M 0:12.79 Bb7 h4?
26 -0.61 199.6M 0:08.63 Bb7 Rf5 Qa8 Qg4 Nxe6 dxe6 Bxe4 Rxb5 Qc6 Rb4 Kh7 Bf2 Kg6 Bd4 f5 Qe2 d5 Qf2 Qc7+ Kg1 h5 h4 f4 hxg5 f3 Rb6 Qf4 gxf3 Qxg5+ Qg2 Qxg2+ Kxg2 Rxf3 Kg1
26 -0.82! 176.0M 0:07.67 Bb7!
26 -1.00! 170.1M 0:07.42 Bb7!
26 -1.12! 164.8M 0:07.18 Bb7!
25 -1.25 153.1M 0:06.66 Bb7 Rf5 Qa8 Qg4 Nxe6 dxe6 Bxe4 Rxb5 Qc6 Rb4 Kh7 Qe2 d5 Bf2 f5 Qe3 Qxe6 Rb6 Qe5+ Kg1 Rb8 Qe1 Rxb6 Bxb6 Qb8 Bd4
25 -0.82! 146.5M 0:06.38 Bb7!
25 -1.17! 126.1M 0:05.52 Bb7!
25 -1.44! 121.3M 0:05.29 Bb7!
25 -1.63! 120.6M 0:05.25 Bb7!
25 -1.80! 118.8M 0:05.16 Bb7!
24 -1.93? 84.7M 0:03.50 Qg6 Rf5?
24 -1.46! 84.3M 0:03.49 Qg6!
24 -1.61? 77.0M 0:03.18 Qg6 Rf5?
24 -1.43? 75.3M 0:03.11 Qg6 Rf5?
24 -1.30? 73.3M 0:03.02 Qg6 Rf5?
23 -1.18 67.8M 0:02.79 Qg6 Rf5 Bb7 h4 Ra8 h5 Qe8 Rf1 Ra3 Qg4 Kg7 Bg3 Rxc3 Bf2 Na4 Bd4 Ra3 Kg1 Nc3 Bxc3 Rxc3 e5 dxe5 d6 Re3 d7 Qd8 c3
22 -1.13 60.8M 0:02.50 Qg6 Rf5 Bb7 Qf3 Ra8 Bf2 Nxe4 Qxe4 Ra1 h4 Kg7 Qf3 Rxb1 h5 Qe8 Bd4 Qf8 Qe4 Qe8 g4 Rd1 Qf3 Rd2+ Kg3 Rxd4 cxd4 Qa8 Qe4 Kh8 Rf2 Bxd5 Qg6 Be4 Qf7 Qa3+ Kh2 d5
21 -1.48 47.1M 0:01.95 Bb7 Rf5 Qg6 Bf2 Bxd5 Rxd5 Qxe4 Qxe4 Nxe4 Bd4 Rb8 g3 Nd2 Ba7 Ra8 Rxd2 Rxa7 Rd5 Ra1 Rxb5 f5 Rb7 Kg7 Rxe7+ Kf6 Rb7 Kxe6 Kg2 h5 Kf2 Ra3 Rb8 Rxc3 Rh8 Kf7 h4 gxh4 gxh4 Kg6 Rd8
20 -1.33 18.1M 0:00.73 Qg6 Rf5 Bb7 Bf2 Bxd5 Rxd5 Qxe4 Qxe4 Nxe4 Bd4 Rb8 g3 Nd2 Ba7 Rb7 Rxd2 Rxa7 Rd5 Ra1 Rxb5 f5 Kg2 Kg7 g4 f4 Rb8
19 -1.75 13.3M 0:00.54 Qg6 Rf5 Bb7 Bf2 Bxd5 Rxd5 Qxe4 Qxe4 Nxe4 Bd4 Rb8 g4 b4 Ba2 b3 cxb3 cxb3 Bb1 Nd2 Ba7 Nxb1 Bxb8 Na3 Rd2 Nc4 Rd1 Na3
18 -1.75 10.7M 0:00.43 Qg6 Rf5 Bb7 Bf2 Bxd5 Rxd5 Qxe4 Qxe4 Nxe4 Bd4 Rb8 g4 b4 Ba2 b3 cxb3 cxb3 Bb1 Nd2 Ba7 Nxb1 Bxb8 Na3
17 -2.16 7.53M 0:00.30 Qg6 Rf5 Bb7 Qf3 Bc8 Qe3 Qh5 g4 Qe8 Bg3 Bb7 h4 Qg6 Qf3 Qe8 Bf2 Qa8 Qe3
16 -2.28 7.16M 0:00.29 Qg6 Rf5 Bb7 Qf3 Bc8 Bg3 Nd7 Kg1 Kg7 Qf2 Ne5 Bxe5 dxe5 Qc5 Qe8 Rf1 h5 Ba2
15 -2.48 4.22M 0:00.17 Qg6 Rf5 Na4 Qe3 Qh5 Rf3 Nc5 Bf2 Bb7 Qe1 f5 Rxf5 Rxf5 exf5 Bxd5 g4 Qe8
14 -2.65 2.48M 0:00.10 Qg6 Rf5 Na4 Qe3 Qh5 g4 Qe8 Bf2 Nc5 Kg2 Kg7 h4 Nxe6 dxe6
13 -3.27 1.20M 0:00.05 Qg6 Rf5 Na4 Qf3 Nc5 Bg3 Nd7 Qf2 Nc5 Qe2 Na4 Qf3 Nb6
12 -3.51 723495 0:00.03 Qg6 Rf5 Na4 Qe3 Qh5 g4 Qe8 Bf2 Nc5 Qe2 Bb7 h4 Qg6 Bxc5
11 -3.58 614607 0:00.02 Qg6 Rf5 Na4 Qe3 Qh5 g4 Qe8 Bf2 Qg6 Qf3 Qg7 Bd4 Nc5
10 -3.34 421198 0:00.02 Qg6 Rf5 Na4 Qf3 Nc5 Bf2 Nd7 Bd4
9 -3.54 276365 0:00.01 Na4 Rf5 Qg6 Qf3 Nc5 Bf2 Nd7 exd7
8 -3.75 111249 0:00.00 Qg6 Rf5 Na4 Qf3 Qh7 Bf2 Qg7 Bd4 Nc5
7 -1.93 70836 0:00.00 Qg6 Rf5 Na4 Bd2 Kg7
6 -3.22 67857 0:00.00 Na4 Bd2 Nc5 Rf5 Qg6 Be3 Qh7
5 -3.12 63196 0:00.00 h5 Rf5 Qg6 Bf2
4 -3.06 41884 0:00.00 Na4 Bd2 Qg6 Rf5
3 -1.19 21182 0:00.00 Qg6 Bf2 Qxe4
2 -0.60 13019 0:00.00 Qg6 h4
1 NNUE evaluation using nn-7756374aaed3.nnue enabled
1 -2.39 4955 0:00.00 Qg6

[Hobacle]

Where have you found it?

You should ask Pafifi because I'm the reprinter this time. He posted it in our forum several days ago. In my opinion it's from a game played by Lc0 according to some information I found. But maybe not true.

It seems that the first position is not welcomed here. Before May, both Pafifi and I thought it was one of the best original puzzle in our forum, even better than my 1. Qxa1 one and K's 1. Nxg6 one. Maybe this is called 'cultural difference'?

And I've realized the title of this topic.

[peter]

It seems that the first position is not welcomed here. Before May, both Pafifi and I thought it was one of the best original puzzle in our forum, even better than my 1. Qxa1 one and K's 1. Nxg6 one. Maybe this is called 'cultural difference'?

You gave the link to the discussion of the first one yourself,

http://talkchess.com/forum3/viewtopic.php?t=74856

so I started with the second one, which was completely new to me. And as a matter of fact, I hadn't stored first one till now neither nor looked at it closely.
Very tricky too for sure:

[d]4r1kr/2p2b1p/pp4pP/1Pp2pK1/3N1P2/4P3/P1P2P2/6RR w - - 0 1

Analysis by Honey v13.2 SE:

1.Nc6 Bc4 2.Ne5 Bxb5 3.a4 Bxa4 4.Ra1 Bb5 5.c4 Bxc4 6.Nxc4 Kf7 7.Rxa6 Rc8 8.Ra7 Ke6 9.Rd1 Rhd8 10.Rxd8 Rxd8 11.Rxc7 Rd1 12.Rxh7 Rg1+ 13.Kh4 b5 14.Ne5 Rh1+ 15.Kg3 b4 16.Kg2 Rh5 17.Nxg6 b3 18.Rb7 Rxh6 19.Rb6+ Kf7 20.Ne5+ Kg7 21.Rb7+ Kg8 22.Rxb3 Ra6 23.Rb7 Ra2 24.Rc7 Ra8 25.Rxc5 Kg7 26.Rc6 Re8 27.Kf3 Rh8 28.Rg6+ Kf8 29.Rg5 Rh7
+- (7.33) Depth: 38/59 00:03:33 2277MN, tb=1998528

You mean it's a study? ("original puzzle in our forum", btw. which one forum?)

[Hobacle]

You mean it's a study?

Yes, in fact this is my first composition and I spent three weeks on it. As a puzzle for humans that time.

[peter]

You mean it's a study?

Yes, in fact this is my first composition and I spent three weeks on it. As a puzzle for humans that time.

Then it's really great, being so near to practical game- play.
Which forum you were referring to? (("original puzzle in our forum")

[Hobacle]

You mean it's a study?

Yes, in fact this is my first composition and I spent three weeks on it. As a puzzle for humans that time.

Then it's really great, being so near to practical game- play.
Which forum you were referring to? (("original puzzle in our forum")

The forum on my planet, you know
And composing puzzles like positions from real games is what I enjoy doing. I have many more.