Complex Puzzle

Nordlandia · Post by **Nordlandia** » Wed Apr 06, 2016 10:59 pm

[d]q7/1p1p2b1/3P1pP1/2R2K1p/3P3k/3p2pP/p3p1P1/8 w - - 0 1
[pgn][Event "sp.p Sachové Umenie#2730"]
[Site "?"]
[Date "1971.??.??"]
[Round "?"]
[White "Pivovar=S"]
[Black "(=3130.58f5h4)"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "q7/1p1p2b1/3P1pP1/2R2K1p/3P3k/3p2pP/p3p1P1/8 w - - 0 1"]
[PlyCount "35"]
[EventDate "1971.??.??"]

{Sachove Umenie/3 EG#02297} 1. d5 b5 $1 2. Rxb5 e1=B $1 3. Rc5 Qxd5+ 4. Rxd5
Bc3 5. Rc5 Bd4 6. Rc4 a1=B 7. Rc1 d2 8. Rd1 Bac3 9. Rf1 Bf2 10. Rd1 Be1 11. Rb1
Bb2 12. Rd1 Bc1 13. Kf4 f5 14. Kxf5 Be5 15. g7 Bxg7 16. Kf4 Be5+ 17. Kf5 Bxd6
18. Kg6 1/2-1/2[/pgn]

Nordlandia · Post by **Nordlandia** » Wed Apr 06, 2016 11:20 pm

Is this winning for white?

Sugar 2.5 + 6Men Syzygy only display +3.5.

The composer claim winning but that is based on evaluations done back in the 70s without help of computers and tablebase access.

Probing 6-Men Syzygy in combination with 7-Men Lomonosov.

Ignacio · Post by **Ignacio** » Thu Apr 07, 2016 12:15 am

Komodo says +250.00 with 1.h4.

FEN: 6K1/4p3/3b4/8/b7/2Bk4/7P/2R5 w - - 0 1

Komodo-9.42-64bit:

40+ 10:29 5.390.771.498 8.562.301 +4,85 h2-h4 Ad6-f4 Tc1-f1
41+ 14:36 8.250.394.449 9.411.851 +4,92 h2-h4 Ad6-f4 Tc1-f1
41+ 16:41 9.757.808.581 9.742.930 +4,99 h2-h4 Aa4-e8 Ac3-b2
41+ 18:52 11.392.564.163 10.061.910 +6,28 h2-h4 Aa4-e8 Ac3-b2
41 39:57 29.987.072.280 12.509.493 +28,06 h2-h4 Aa4-b3+ Rg8-g7 Ad6-a3 Tc1-a1 Aa3-d6 Ac3-b2 Rd3-c2 Ab2-d4 Rc2-d3 Ta1-b1 Ab3-c2 Tb1-c1 e7-e5 Ad4-b6 e5-e4 h4-h5 Rd3-d2 Tc1-h1 Ad6-e5+ Rg7-g8 e4-e3 Th1-h3 e3-e2 Ab6-a5+ Rd2-c1 Th3-e3 Ae5-b2 Te3xe2 Ac2-b3+ Rg8-f8 Ab3-c4 Te2-e3 Ab2-d4 Te3-e4 Ad4-c5+ Rf8-g7 Ac4-d5 Te4-h4 Ac5-a3 h5-h6 Aa3-b2+ Rg7-g6 Ab2-h8 h6-h7 Rc1-c2 Aa5-b6 Ah8-c3 h7-h8D Ac3-d2 Dh8-c8+ Rc2-b2 Ab6-d4+ Rb2-a3 Dc8-c5+ Ra3-b3 Dc5xd5+
42+ 41:52 31.549.264.987 12.556.480 +28,13 h2-h4 Aa4-b3+ Rg8-g7
42 41:53 31.555.782.866 12.556.883 +250,00 h2-h4 Aa4-b3+ Rg8-g7 Ad6-a3 Tc1-a1 Aa3-d6 Ac3-b2 Rd3-c2 Ab2-d4 Rc2-d3 Ta1-b1 Ab3-c2 Tb1-c1 e7-e5 Ad4-b6 Rd3-d2 Tc1-h1 e5-e4 h4-h5 Ad6-e5+ Rg7-g8 Ac2-b3+ Rg8-f8 Ab3-e6 h5-h6 Rd2-c2 h6-h7 Ae5-h8 Th1-h6 Ae6-d5 Ab6-a5 e4-e3 Th6-h3 Ad5-b7 Th3xe3 Ah8-d4 Aa5-b6 Ad4-f6 Rf8-f7 Af6-h8 Ab6-a5 Ah8-d4 Te3-h3

Nordlandia · Post by **Nordlandia** » Thu Apr 07, 2016 12:57 am

250.00 after 40 minutes calculating time?

I assume 6men is used.

Vinvin · Post by **Vinvin** » Thu Apr 07, 2016 3:48 am

Nordlandia wrote:Is this winning for white?

https://cdn.pbrd.co/images/2PEP8KYT.png

Sugar 2.5 + 6Men Syzygy only display +3.5.

The composer claim winning but that is based on evaluations done back in the 70s without help of computers and tablebase access.

Probing 6-Men Syzygy in combination with 7-Men Lomonosov.

SF agrees it's winning :

Code: Select all

FEN&#58; 6K1/4p3/3b4/8/b7/2Bk4/7P/2R5 w - - 2 1

Stockfish_16033114_x64_modern&#58;
...
 28/55	00&#58;37	 160 778k	4 243k	+2,21	1.h4 Be8 2.Kg7 Bf4 3.Rf1 Ke4 4.Re1+ Kf5 5.Rxe7 Bh5 6.Bb2 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rg1+ Kf5 10.Bg5 Be5+ 11.Kh6 Be2 12.h5 Bd3 13.Rc1 Bb2 14.Rd1 Bc4 15.Rd2 Be5 16.Rd8 Be2 17.Bd2 Bd1 18.Rc8 Be2 19.Rc1 Bd3 20.Rc8 Kg4
 29/55	00&#58;37	 161 013k	4 244k	+2,21	1.h4 Be8 2.Kg7 Bf4 3.Rf1 Ke4 4.Re1+ Kf5 5.Rxe7 Bh5 6.Bb2 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rg1+ Kf5 10.Bg5 Be5+ 11.Kh6 Be2 12.h5 Bd3 13.Rc1 Bb2 14.Rd1 Bc4 15.Rd2 Be5 16.Rd8 Be2 17.Bd2 Bd1 18.Rc8 Be2 19.Rc1 Bd3 20.Rc8 Kg4 21.Rg8+ Kf5
 30/55	00&#58;38	 166 999k	4 315k	+2,21	1.h4 Be8 2.Kg7 Bf4 3.Rf1 Ke4 4.Re1+ Kf5 5.Rxe7 Bh5 6.Bb2 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rg1+ Kf5 10.Bg5 Be5+ 11.Kh6 Be2 12.h5 Bd3 13.Rc1 Bb2 14.Rd1 Bc4 15.Rd2 Be5 16.Rd8 Bb5 17.Bd2 Be2 18.Re8 Bd3 19.Rf8+ Kg4 20.Rc8 Bb1 21.Rg8+ Kf5 22.Rf8+ Kg4 23.Rc8 Bd3
 31/55	00&#58;46	 232 855k	4 988k	+2,22	1.h4 Be8 2.Kg7 Bf4 3.Rf1 Ke4 4.Re1+ Kf5 5.Rxe7 Bh5 6.Bb2 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rg1+ Kf5 10.Bg5 Be5+ 11.Kh6 Be2 12.h5 Bd3 13.Rc1 Bb2 14.Rd1 Bc4 15.Rd2 Be5 16.Rd8 Bb5 17.Bd2 Be2 18.Re8 Bd3 19.Rf8+ Kg4 20.Rc8 Kf3 21.Rd8 Be4 22.Kg5
 32/55	00&#58;51	 263 897k	5 110k	+2,28	1.h4 Be8 2.Kg7 Bf4 3.Rf1 Ke4 4.Re1+ Kf5 5.Rxe7 Bh5 6.Bb2 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rg1+ Kf5 10.Bg5 Be5+ 11.Kh6 Be2 12.h5 Bd3 13.Rc1 Bb2 14.Rd1 Bc4 15.Rd2 Be5 16.Rd8 Bb5 17.Bd2 Be2 18.Re8 Bd3 19.Rf8+ Kg4 20.Rc8 Bb2 21.Rg8+ Kf5 22.Rd8
 33/55	00&#58;52	 267 930k	5 145k	+2,28	1.h4 Be8 2.Kg7 Bf4 3.Rf1 Ke4 4.Re1+ Kf5 5.Rxe7 Bh5 6.Bb2 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rg1+ Kf5 10.Bg5 Be5+ 11.Kh6 Be2 12.h5 Bd3 13.Rc1 Bb2 14.Rd1 Bc4 15.Rd2 Be5 16.Rd8 Bb5 17.Bd2 Be2 18.Re8 Bd3 19.Rf8+ Kg4 20.Rc8 Bb2 21.Rg8+ Kf5 22.Rd8 Be2
 34/55+	01&#58;03	 367 121k	5 739k	+2,35	1.h4
 34/55	01&#58;04	 368 321k	5 746k	+2,35	1.h4 Be8 2.Kg7 Bf4 3.Rf1 Ke4 4.Re1+ Kf5 5.Rxe7 Bh5 6.Bb2 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rg1+ Kf5 10.Bg5 Be5+ 11.Kh6 Be2 12.h5 Bd3 13.Rc1 Bb2 14.Rc8 Ke6 15.Rb8 Be5 16.Rf8 Bc2 17.Rf1 Bd4 18.Bd2 Bd3 19.Rf4 Be5 20.Rf3 Be4 21.Rf8 Bc2 22.Re8+ Kf6 23.Rc8 Be4
 35/55	01&#58;04	 372 556k	5 756k	+2,35	1.h4 Be8 2.Kg7 Bf4 3.Rf1 Ke4 4.Re1+ Kf5 5.Rxe7 Bh5 6.Bb2 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rg1+ Kf5 10.Bg5 Be5+ 11.Kh6 Be2 12.h5 Bd3 13.Rc1 Bb2 14.Rc8 Ke6 15.Rb8 Be5 16.Rf8 Bc2 17.Rf1 Bd4 18.Bd2 Bd3 19.Rf4 Be5 20.Rf3 Be4 21.Rf8 Bc2 22.Re8+ Kf6 23.Rc8 Be4 24.Rf8+ Ke6
 36/55+	01&#58;18	 513 510k	6 538k	+2,42	1.h4
 36/55	01&#58;19	 517 713k	6 530k	+2,42	1.h4 Be8 2.Kg7 Bf4 3.Rf1 Ke4 4.Re1+ Kf5 5.Rxe7 Bh5 6.Bb2 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rg1+ Kf5 10.Bg5 Be5+ 11.Kh6 Be2 12.h5 Bd3 13.Rd1 Ba6 14.Rd2 Bb7 15.Rf2+ Kg4 16.Bd2 Bd5 17.Rf1 Bc4 18.Rc1 Bd3 19.Rc5 Bf6 20.Ra5 Bc2 21.Ra2 Bb3 22.Ra8 Kf5 23.Rc8 Be7 24.Rc1
 37/55	01&#58;35	 709 284k	7 417k	+2,43	1.h4 Be8 2.Kg7 Bf4 3.Rf1 Ke4 4.Re1+ Kf5 5.Rxe7 Bh5 6.Bb2 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rg1+ Kf5 10.Bg5 Be5+ 11.Kh6 Be2 12.h5 Bd3 13.Rd1 Bb5 14.Rd2 Bc6 15.Rf2+ Kg4 16.Bd2 Ba4 17.Rf8 Bc2 18.Rc8 Bd3 19.Rc5 Bf6 20.Ra5 Bc2 21.Rb5 Bd3 22.Rb4+ Kf5 23.Rf4+ Ke5 24.Rf2 Be7
 38/55+	01&#58;57	 985 144k	8 373k	+2,50	1.h4
 38/55+	02&#58;06	 1 080 741k	8 523k	+2,57	1.h4
 38/55	02&#58;17	 1 199 617k	8 715k	+2,60	1.h4 Be8 2.Bb2 Ke4 3.Rf1 Bf4 4.Re1+ Kf3 5.Rxe7 Bh5 6.Kg7 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rd1 Be3 10.Rd8 Bc1 11.Rd3 Kf5 12.Rd5+ Kg4 13.Bg5 Bb2+ 14.Kh6 Bf7 15.Rd1 Kf5 16.Rf1+ Ke6 17.h5 Bc3 18.Rf3 Bb2 19.Bd2 Bf6 20.Rf1 Be7 21.Rf2 Bh4 22.Rf4 Bf6 23.Rf3 Be7
 39/55	02&#58;21	 1 239 219k	8 771k	+2,60	1.h4 Be8 2.Bb2 Ke4 3.Rf1 Bh5 4.Kg7 Bf4 5.Re1+ Kf3 6.Rxe7 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rd1 Be3 10.Rd8 Bc1 11.Rd3 Bf4 12.Rd4 Kf5 13.Rd7 Kg4 14.Rd5 Be3 15.Rd1 Kf5 16.Rd3 Bf4 17.Rd5+ Kg4 18.Bg5 Bh2 19.Kh6 Bf7 20.Rd4+ Kf5 21.Rd2 Bg3 22.Rd3 Kg4 23.Rd1
 40/55+	02&#58;33	 1 385 958k	9 002k	+2,67	1.h4
 40/55	02&#58;34	 1 395 474k	9 019k	+2,67	1.h4 Be8 2.Bb2 Ke4 3.Rf1 Bh5 4.Kg7 Bf4 5.Re1+ Kf3 6.Rxe7 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rd1 Be3 10.Rd8 Bc1 11.Rd3 Bf4 12.Rd4 Kf5 13.Rd7 Kg4 14.Rd5 Be3 15.Bg5 Bg1 16.Kh6 Bf7 17.Re5 Bh2 18.Re7 Bd5 19.Kg6 Bd6 20.Re3 Ba2 21.Re4+ Kf3 22.Re1 Bg3 23.Rd1 Kg4
 41/57+	02&#58;54	 1 615 648k	9 242k	+2,74	1.h4
 41/57	02&#58;59	 1 661 769k	9 277k	+2,74	1.h4 Be8 2.Bb2 Ke4 3.Rf1 Bh5 4.Kg7 Bf4 5.Re1+ Kf3 6.Rxe7 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rd1 Be3 10.Rd8 Bc1 11.Rd3 Bf4 12.Rd4 Kf5 13.Rd7 Kg4 14.Rd5 Be3 15.Bg5 Bg1 16.Kh6 Bf7 17.Re5 Bh2 18.Re7 Bd5 19.Kg6 Bd6 20.Re3 Ba2 21.Re4+ Kh3 22.Re1 Bg3 23.Rc1 Bd5 24.h5 Be4+ 25.Kf6 Kg4 26.Rc4
 42/57	03&#58;26	 1 970 026k	9 533k	+2,74	1.h4 Be8 2.Bb2 Ke4 3.Rf1 Bh5 4.Kg7 Bf4 5.Re1+ Kf3 6.Rxe7 Kg4 7.Bf6 Bc1 8.Re1 Bf4 9.Rd1 Be3 10.Rd8 Bc1 11.Rd3 Bf4 12.Rd4 Kf5 13.Rd7 Kg4 14.Rd5 Be3 15.Bg5 Bf2 16.Kh6 Bf7 17.Rd1 Bg3 18.h5 Be5 19.Rg1+ Kf5 20.Rf1+ Ke6 21.Bd2 Bf6 22.Rf3 Be7 23.Bg5 Bd6 24.Rf2 Bf8+ 25.Kh7 Bd6 26.Rf6+ Ke7
 43/57+	03&#58;39	 2 098 667k	9 557k	+2,81	1.h4
 43/57+	04&#58;07	 2 478 092k	10 006k	+2,87	1.h4
 43/74+	17&#58;32	 14 121 067k	13 420k	+11,56	1.h4
 43/74	26&#58;58	 21 572 890k	13 326k	+12,89	1.h4 Bf4 2.Rf1 e5 3.Ba5 Be8 4.Kg7 Bh5 5.Bc7 Ke4 6.Kf6 Bg3 7.Kg5 Be2 8.Ra1 Kd5 9.Ra3 Be1 10.Bxe5 Bb4 11.Rb3 Bd2+ 12.Bf4 Bc4 13.Rh3 Ba5 14.h5 Bf1 15.Re3 Bd8+ 16.Kg6 Bb6 17.Re5+ Kc4 18.Be3 Bd8 19.Rc5+ Kb3 20.h6 Bd3+ 21.Kg7 Be7 22.Rd5 Bc4 23.h7 Bb4 24.h8Q Bc3+ 25.Bd4 Bb4 26.Qh3+ Kc2 27.Qh7+ Kb3 28.Qb1+ Ka4 29.Qc2+ Bb3
 44/74+	27&#58;44	 22 147 334k	13 304k	+12,96	1.h4
 44/74+	28&#58;07	 22 440 663k	13 295k	+13,03	1.h4
 44/74+	31&#58;22	 24 940 299k	13 248k	+13,76	1.h4

Ignacio · Post by **Ignacio** » Thu Apr 07, 2016 8:50 am

Nordlandia wrote:250.00 after 40 minutes calculating time?

I assume 6men is used.

Yes, 6 men Szygy.

Nordlandia · Post by **Nordlandia** » Thu Apr 07, 2016 12:49 pm

Here is the PGN from study database.

[pgn][Event "3.hm New Statesman {and Nation}#82 @3"]
[Site "?"]
[Date "1973.??.??"]
[Round "?"]
[White "Kovalenko=V"]
[Black "(+0170.11g8d3)"]
[Result "1-0"]
[SetUp "1"]
[FEN "6K1/4p3/3b4/8/b7/2Bk4/7P/2R5 w - - 0 1"]
[PlyCount "17"]
[EventDate "1973.??.??"]

{EG#02248 @3: Veitch=W EG=41 7/1975} 1. h4 Bb3+ (1... Ba3 2. Ra1 Bb3+ 3. Kg7
Kxc3 4. Rxa3 e5 5. h5 Kb2 6. Rxb3+ Kxb3 7. h6 e4 8. h7 e3 9. h8=Q) (1... Bf4 $1
{<cook WV>} 2. Rf1 e5) 2. Kg7 (2. Kf8 $2 e5+ 3. Kg7 Ba3 4. Ra1 Kxc3 5. Rxa3 e4
6. h5 e3 7. h6 e2 8. Ra1 Bc2) (2. Kh8 $2 Ba3 3. Ra1 Kxc3 4. Rxa3 e5 5. h5 (5.
Ra5 e4 6. Re5 Bc2 7. h5 Kd2 8. h6 e3) 5... e4 6. h6 e3 7. h7 e2 8. Ra1 Bc2 9.
Re1 Kd2) 2... Ba3 (2... Bf4 3. Rf1 Kxc3 4. Rxf4 Bc2 5. h5 e5 6. Rf3+ Kd2 (6...
Kd4 7. h6 Be4 8. Rg3 Bc2 9. Kf6 Bh7 10. Rg7) 7. h6 Be4 8. Rg3) 3. Ra1 Bd6 4.
Bb2 Kc2 5. Bd4 Kd3 6. Rb1 (6. Bf2 $2 Be5+) 6... Bc2 (6... Kxd4 7. Rxb3 e5 8.
Rb6 Bc7 (8... Kc5 9. Rb1 e4 10. h5 e3 11. Kg6 Bg3 (11... Bf8 12. Kf5 Kd4 13.
Kf4 Kd3 14. Kf3 Bh6 15. Rd1+) (11... Kd4 12. Rd1+ Ke5 13. h6) (11... Kc4 12.
Rc1+ Kb3 13. h6) 12. h6 e2 13. h7) 9. Rc6 Bb8 10. h5 e4 11. Re6 Be5+ 12. Rxe5
Kxe5 13. h6 e3 14. h7 e2 15. h8=Q e1=Q 16. Qe8+) 7. Rc1 (7. Rb2 $2 Ba4 8. Ra2
Bb3 9. Rb2 Ba4 10. Rg2 Bc6 11. Rg4 Bf3) 7... Ba3 (7... Kxd4 8. Rxc2 e5 9. Rd2+
Kc5 10. h5 e4 11. Kg6 e3 12. Rd1) 8. Ra1 Bd6 (8... Kxd4 9. Rxa3 e5 10. Kf6 e4
11. Kg5 e3 12. Kf4 e2 13. Re3) 9. Bb2 1-0[/pgn]

Can you provide the engine winning line in PGN please.

Nordlandia · Post by **Nordlandia** » Sat Apr 16, 2016 2:34 pm

[d]8/3p3p/1n1p4/1B4k1/p2p2pN/P2P4/3P1P1p/R3K3 w Q - 0 0

Nordlandia · Post by **Nordlandia** » Sat Apr 16, 2016 2:46 pm

[d]6nn/2N5/B5b1/1K6/7b/6N1/8/3k4 w - - 0 0

Possible Cook?

peter · Post by **peter** » Sat Apr 16, 2016 4:02 pm

Nordlandia wrote:[d]6nn/2N5/B5b1/1K6/7b/6N1/8/3k4 w - - 0 0

Possible Cook?

Hi Jon!

At least the "solution variant" isn't correct, after 4...Ne7+ instead of ...Bc8? White with 5.Nxe7 is mate in 52, with everything else faster

Complex Puzzle

Re: Complex Puzzle (first is draw)

Re: Complex Puzzle (first is draw)

Re: Complex Puzzle (first is draw)

Re: Complex Puzzle (first is draw)

Re: Complex Puzzle (first is draw)

Re: Complex Puzzle (first is draw)

Re: Complex Puzzle (first is draw)

Re: Complex Puzzle (first is draw)

Re: Complex Puzzle (first is draw)

Re: Complex Puzzle (first is draw)