Complex Puzzle

Discussion of anything and everything relating to chess playing software and machines.

Moderators: hgm, Rebel, chrisw

Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Complex Puzzle (first is draw)

Post by Vinvin »

Nordlandia wrote:No. 1177 Y. Zemlyansky
2nd Prize, '64', 1967
Award xii.68 6

[d]3B4/3P1P2/4p3/p6B/k2q4/P3pP2/1pP5/1K6 w - - 0 0
3 runs with latest SF : 3sec, 3 sec and 9 sec.
I7:6*4GHz, 8 GB Hash.

Code: Select all

Stockfish_16051313_x64_modern:
... 
 27/32	00:01	 14 573k	10 313k	 0,00	1.Bxa5 Qd1+ 2.Kxb2 Kxa5 3.f8Q Qd4+ 4.Kb3 Qd5+ 5.c4 Qd1+ 6.Kb2 Qd4+ 7.Kc2 Qxc4+ 8.Kb2 Qd4+ 9.Kb3 Qd1+ 10.Kc4 Qd5+ 11.Kc3 Qd2+ 12.Kb3 Qd1+
 28/32+	00:03	 34 252k	10 348k	+3,05	1.Bf6
 28/32+	00:04	 47 895k	10 444k	+4,03	1.Bf6
 28/32+	00:06	 69 215k	10 813k	+5,27	1.Bf6

Stockfish_16051313_x64_modern:
...
 25/33	00:00	 9 277k	10 787k	 0,00	1.Bb6 Qxb6 2.f8Q e2 3.Qf4+ Kxa3 4.Qg3 Qe3 5.Qd6+ Ka4 6.Kxb2 e1Q 7.Qc6+ Kb4 8.Qb7+ Ka4 9.Qb3+ Qxb3+ 10.cxb3+ Kb4 11.d8Q Qf2+ 12.Kc1 Qc5+ 13.Kb1 Qxh5 14.Qb6+ Ka3 15.Qd6+ Kxb3 16.Qxe6+
 26/33	00:01	 11 991k	11 011k	 0,00	1.Bb6 Qxb6 2.f8Q e2 3.Qf4+ Kxa3 4.Qg3 Qe3 5.Qd6+ Ka4 6.Kxb2 e1Q 7.Qc6+ Kb4 8.Qb7+ Ka4 9.Qb3+ Qxb3+ 10.cxb3+ Kb4 11.d8Q Qf2+ 12.Kc1 Qc5+ 13.Kb1 Qxh5 14.Qb6+ Ka3 15.Qd6+ Kxb3 16.Qxe6+
 27/33+	00:03	 36 975k	11 483k	+4,03	1.Bf6
 27/33+	00:03	 46 323k	11 704k	+5,27	1.Bf6
 27/55+	00:05	 63 125k	12 205k	+6,84	1.Bf6
 27/63	00:06	 77 076k	12 434k	+6,91	1.Bf6 Qd1+ 2.Kxb2 Qxd7 3.f8Q Qb5+ 4.Kc3 e2 5.Kd2 Qxh5 6.Qc8 e1B+ 7.Kxe1 Qh1+ 8.Kd2 Qg2+ 9.Kc1 Qf1+ 10.Kb2 Qe2 11.Qe8+ Qb5+ 12.Qxb5+ Kxb5 13.a4+ Kc6 14.Bc3 Kc5 15.Bxa5 Kd6 16.Bb4+ Kc6 17.Kc3 Kd5 18.Kd3 Ke5 19.a5 Kd5 20.a6 e5
 28/63+	00:06	 81 293k	12 394k	+6,98	1.Bf6
 28/63+	00:06	 81 873k	12 377k	+7,05	1.Bf6
 28/63+	00:08	 103 833k	12 273k	+9,20	1.Bf6
 28/63	00:09	 110 773k	12 237k	+9,62	1.Bf6 Qxf6 2.f8Q Qxf8 3.Be8 Kb5 4.d8Q+ Kc5 5.Qxa5+ Kd4 6.Qa4+ Kc3 7.Qb3+ Kd2 8.Qd3+ Ke1 9.Qxe3+ Kf1 10.Bb5+ Kg2 11.f4 Qa8 12.Kxb2 Qb8 13.a4 Kh2 14.c4 Qa8 15.c5 Qa7 16.Kb3 Qf7 17.Qe5 Kh3 18.c6 Qg8 19.c7 Qc8 20.Kb2 Kg4 21.Be2+ Kh3
 29/63+	00:09	 114 105k	12 239k	+9,68	1.Bf6
 29/63+	00:09	 115 773k	12 254k	+9,75	1.Bf6
 29/63+	00:12	 163 612k	12 648k	+18,44	1.Bf6

... 
 32/34	00:07	 75 173k	10 298k	 0,00	1.Bb6 Qxb6 2.f8Q e2 3.Qf4+ Kxa3 4.Qg3 Qe3 5.Qd6+ Ka4 6.Kxb2 e1Q 7.Qc6+ Kb4 8.Qb7+ Ka4 9.Qb3+ Qxb3+ 10.cxb3+ Kb4 11.d8Q Qe5+ 12.Kc2 Qc5+ 13.Kd2 Qxh5 14.Qd4+ Kxb3 15.Qc3+ Ka4 16.Qc4+ Ka3 17.Qxe6
 33/34+	00:09	 94 252k	10 448k	+0,06	1.Bf6
 33/34+	00:09	 95 303k	10 469k	+0,13	1.Bf6
 33/73+	00:39	 487 322k	12 422k	+23,31	1.Bf6
Top
Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Complex Puzzle (first is draw)

Post by Vinvin »

Nordlandia wrote:No. 7929 D. Probst (xii.87)
Commended, SSZ, 1987-88

White wins!
[d]8/8/5Qpp/3q1bpk/4Nn1p/7B/3NnPP1/7K w - - 0 0
Less than 1 sec for latest SF :

Code: Select all

Stockfish_16051313_x64_modern:
 8/8	00:00	 9k	1 490k	-2,01	1.Qe7 Bxe4 2.Qxe4 Nc3 3.Qxd5 Ncxd5 4.Ne4 Nxh3
 9/14	00:00	 27k	2 718k	-2,15	1.Bg4+ Bxg4 2.Qxf4 gxf4 3.Nf6+ Kg5 4.Nxd5 Be6 5.Nc7 Kf5 6.Nxe6
 10/15	00:00	 41k	3 182k	+0,46	1.Bg4+ Bxg4 2.Qe7 Qf5 3.Nf6+ Qxf6 4.Qxf6 Nd3 5.Qb6 Nc3 6.Kh2 Nd5
 11/17	00:00	 57k	3 324k	+0,98	1.Bg4+ Bxg4 2.Qe7 Qf5 3.Nf6+ Qxf6 4.Qxf6 Nd3 5.f3 Bf5 6.Qe7 Nef4 7.Kg1
 12/19	00:00	 90k	3 764k	+1,01	1.Bg4+ Bxg4 2.Qh8 Qf7 3.Nf6+ Qxf6 4.Qxf6 Nd3 5.f3 Bf5 6.Kh2 Nef4 7.Nc4 Nd5 8.Qf7 N3f4 9.Ne5
 13/20	00:00	 125k	4 300k	+1,13	1.Bg4+ Bxg4 2.Qh8 Qf7 3.Nf6+ Qxf6 4.Qxf6 Nd3 5.f3 Bf5 6.Kh2 Nef4 7.Nc4 Nd5 8.Qf7 N3f4
 14/23	00:00	 205k	5 543k	+1,35	1.Bg4+ Bxg4 2.Qh8 Qf7 3.Nf6+ Qxf6 4.Qxf6 Be6 5.Qe5 Bd5 6.Ne4 Bxe4 7.Qxe4 Kg4 8.Kh2 Kh5 9.g3
 15/26	00:00	 362k	6 583k	+1,17	1.Bg4+ Bxg4 2.Qh8 Qf7 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd3 6.f3 Ng3 7.Nc4 Nf4 8.Ne3 Bd7 9.Qe5 Nge2 10.Nf1 Be6 11.g3 hxg3+ 12.Nxg3+ Nxg3
 16/30	00:00	 609k	7 429k	+1,29	1.Bg4+ Bxg4 2.Qh8 h3 3.Nf6+ Kh4 4.Qxh6+ Bh5 5.Nf3+ Qxf3 6.gxf3 Nd4 7.Qh7 Nxf3 8.Qc7 Nd4 9.Qc5 Nf3 10.Qd6 Bg4 11.Qc7
 17/34	00:00	 775k	7 671k	+1,24	1.Bg4+ Bxg4 2.Qh8 h3 3.Nf6+ Kh4 4.Qxh6+ Bh5 5.Nf3+ Qxf3 6.gxf3 Nd4 7.Qh7 Nxf3 8.Qe7 Bg4 9.Qe3 Ng2 10.Qd3 Nf4 11.Qb3 Ne2 12.Qc4 Nf4 13.Qe4 Nd2 14.Qe1 Nf3 15.Qe7 Bh5 16.Qe3 Bg4
 18/34	00:00	 899k	7 959k	+1,30	1.Bg4+ Bxg4 2.Qh8 h3 3.Nf6+ Kh4 4.Qxh6+ Bh5 5.Nf3+ Qxf3 6.gxf3 Nd4 7.Qh7 Nxf3 8.Qe7 Bg4 9.Qe3 Ng2 10.Qd3 Nf4 11.Qb3 Nh5 12.Nxg4 Kxg4 13.Qe6+ Kh4 14.Qe4+ g4
 19/40	00:00	 1 496k	8 854k	+1,45	1.Bg4+ Bxg4 2.Qc3 Qf5 3.Nf6+ Qxf6 4.Qxf6 Nd3 5.Kh2 Bf5 6.f3 Ng3 7.Nc4 Nf4 8.Kg1 Nfe2+ 9.Kf2 Nf4 10.Nd6 Nd3+ 11.Kg1 g4 12.Nxf5 Nxf5 13.fxg4+ Kxg4 14.Qxg6+ Kf4 15.Qe6 Ne5 16.Qd5
 20/42	00:00	 4 677k	9 429k	+1,77	1.Bg4+ Bxg4 2.Qc3 Qf5 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd3 6.Qe7 Nef4 7.Qe3 g4 8.Ne4 Bxe4 9.Qxe4 g5 10.g3 Nxf2 11.Qe8+ Ng6 12.gxh4 Nh3 13.hxg5 Kxg5 14.Kg3 h5 15.Qd8+ Kf5 16.Qd5+ Ne5
 21/42	00:00	 4 719k	9 438k	+1,76	1.Bg4+ Bxg4 2.Qc3 Qf5 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd3 6.Qe7 Nef4 7.Qe3 g4 8.Ne4 Bxe4 9.Qxe4 g5 10.g3 Nxf2 11.Qe8+ Ng6 12.gxh4 Nh3 13.hxg5 Kxg5 14.Kg3 h5 15.Qd8+ Kf5 16.Qd5+ Kf6 17.Qd6+ Kf5 18.Qd3+ Kf6 19.Qf1+ Ke6 20.Qa6+ Kf5 21.Qb5+ Kf6
 22/44	00:00	 5 034k	9 553k	+1,89	1.Bg4+ Bxg4 2.Qc3 Qf5 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd3 6.Qe7 Nef4 7.Qe3 g4 8.Ne4 Bxe4 9.Qxe4 g5 10.g3 Nxf2 11.Qe3 N2d3 12.gxf4 g3+ 13.Kg2 Nxf4+ 14.Kf3 Kg6 15.Qe4+ Kf6 16.Qc6+ Kg7 17.Qb6 h5 18.Qd4+ Kg6 19.Qd6+ Kf5
 23/49	00:00	 7 504k	10 181k	+2,05	1.Bg4+ Bxg4 2.Qc3 Qd6 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd3 6.Qe7 Nef4 7.Qe3 g4 8.Ne4 Bxe4 9.Qxe4 g5 10.Kg1 Nc5 11.Qe8+ Ng6 12.f3 gxf3 13.Qe3 Nf4 14.Qxc5 fxg2 15.Qc6
 24/49	00:01	 16 645k	11 156k	+3,87	1.Bg4+ Bxg4 2.Qc3 Qd6 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd5 6.Qe5 Ndc3 7.f3 g4 8.Ne4 Nxe4 9.fxe4 Ng3 10.exf5 Nxf5 11.Kg1 Kg5 12.Kf1 Kh5 13.Kf2 Kg5 14.Qd5 Kf6 15.Qd8+ Kf7 16.Qa5 h5 17.Qe5 h3 18.gxh3
 25/49	00:01	 20 870k	11 215k	+3,91	1.Bg4+ Bxg4 2.Qc3 Qd6 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd5 6.Qe5 Ndc3 7.f3 g4 8.Ne4 Nxe4 9.fxe4 Ng3 10.exf5 Nxf5 11.Kg1 Kg5 12.Kf1 Kh5 13.Kf2 Kg5 14.Kg1 Kh5 15.Qe4 Kg5 16.Kf2 Kh5 17.Qd5 Kg5 18.Qd8+ Kf4 19.Qd2+ Ke5 20.Qb4 h5 21.Qb6 g5 22.Qc5+ Ke6
 26/52	00:02	 23 076k	11 267k	+3,97	1.Bg4+ Bxg4 2.Qc3 Qd6 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd5 6.Qe5 Ndc3 7.f3 g4 8.Ne4 Nxe4 9.fxe4 Ng3 10.exf5 Nxf5 11.Kg1 Kg5 12.Kf1 Kh5 13.Kf2 Kg5 14.Kg1 h5 15.Kf2 Kh6 16.Qh8+ Kg5 17.Qd8+ Kh6 18.Qd2+ Kg7 19.Qc3+ Kh6 20.Qf6 Kh7 21.Kg1 Kh6 22.Qh8+ Kg5 23.Qe5 Kh6 24.Qf6
 27/55+	00:03	 34 650k	11 301k	+4,08	1.Bg4+
 27/55	00:03	 39 986k	11 412k	+4,09	1.Bg4+ Bxg4 2.Qc3 Qd6 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd5 6.Qe5 Ndc3 7.f3 g4 8.Ne4 Nxe4 9.fxe4 Ng3 10.exf5 Nxf5 11.Qd5 Kg5 12.Qd8+ Kh5 13.Kg1 Ng3 14.Kf2 Nf5 15.Qd2 Ng3 16.Qd4 Nf5 17.Qd8 Ng3 18.Qd5+ Nf5 19.Kg1 Kg5
 28/55	00:03	 43 855k	11 456k	+4,04	1.Bg4+ Bxg4 2.Qc3 Qd6 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd5 6.Qe5 Ndc3 7.f3 g4 8.Ne4 Nxe4 9.fxe4 Ng3 10.exf5 Nxf5 11.Qd5 Kg5 12.Qd8+ Kh5 13.Kg1 Ng3 14.Kf2 Nf5 15.Qd2 Ng3 16.Qd4 Nf5 17.Qd8 Ng3 18.Qd5+ Nf5 19.Kg1 Kg5 20.Qe5 h5
 29/55+	00:04	 47 370k	11 554k	+4,11	1.Bg4+
 29/55+	00:04	 50 565k	11 640k	+4,18	1.Bg4+
 29/55+	00:05	 66 625k	11 834k	+4,63	1.Bg4+
 29/55-	00:06	 74 391k	11 878k	+4,47	1.Bg4+ Bxg4
 29/55+	00:06	 76 697k	11 849k	+4,69	1.Bg4+
 29/55	00:07	 89 276k	11 935k	+4,92	1.Bg4+ Bxg4 2.Qc3 Qd6 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd3 6.Qe7 Nef4 7.Qe3 g4 8.Ne4 Bxe4 9.Qxe4 g5 10.Kg1 Nc5 11.Qe8+ Ng6 12.f3 g3 13.Qc8 Nf4 14.Qxc5 Kg6 15.Qc6+ Kg7 16.Qd7+ Kf6 17.Qd8+ Kg7 18.Kf1 Kf7 19.Qd6 Kg7 20.Qe7+ Kg6 21.Qe4+ Kf6 22.Qc6+ Kg7 23.Qc4 Kf6
 30/55+	00:09	 109 446k	12 006k	+4,99	1.Bg4+
 30/55+	00:09	 111 514k	12 022k	+5,06	1.Bg4+
 30/55+	00:09	 115 529k	12 022k	+5,17	1.Bg4+
 30/57	00:10	 121 095k	12 042k	+5,17	1.Bg4+ Bxg4 2.Qc3 Qd6 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd3 6.Qe7 Nef4 7.Qe3 g4 8.Ne4 Bxe4 9.Qxe4 g5 10.Kg1 Nc5 11.Qe8+ Ng6 12.f3 g3 13.Qc8 Nf4 14.Qxc5 Kg6 15.Qc6+ Kg7 16.Qd7+ Kg6 17.Kf1 Kf6 18.Qd4+ Kg6 19.Qc5 h5 20.Qc6+ Kg7 21.Qe4 Kf6 22.Qh7 Ke6 23.Qh6+ Kf5 24.Qg7 h3 25.gxh3 h4 26.Qf7+ Ke5
 31/57+	00:12	 146 175k	12 088k	+5,24	1.Bg4+
 31/57	00:12	 146 665k	12 085k	+5,24	1.Bg4+ Bxg4 2.Qc3 Qd6 3.Nf6+ Qxf6 4.Qxf6 Nd3 5.Kh2 Bf5 6.Qe7 Nef4 7.Qe3 g4 8.Ne4 Bxe4 9.Qxe4 g5 10.Kg1 Nc5 11.Qe8+ Ng6 12.f3 g3 13.Qc8 Nf4 14.Qxc5 Kg6 15.Qc6+ Kg7 16.Qd7+ Kf6 17.Qh7 h5 18.Kf1 Ke6 19.Qh6+ Kf5 20.Qg7 h3 21.gxh3 h4 22.Qf7+ Ke5 23.Qh7 Kf6 24.Qh6+ Kf5 25.Qg7
 32/57	00:12	 150 044k	12 075k	+5,24	1.Bg4+ Bxg4 2.Qc3 Qd6 3.Nf6+ Qxf6 4.Qxf6 Nd3 5.Kh2 Bf5 6.Qe7 Nef4 7.Qe3 g4 8.Ne4 Bxe4 9.Qxe4 g5 10.Kg1 Nc5 11.Qe8+ Ng6 12.f3 g3 13.Qc8 Nf4 14.Qxc5 Kg6 15.Qc6+ Kg7 16.Qd7+ Kf6 17.Qh7 h5 18.Kf1 Ke6 19.Qh6+ Kf5 20.Qg7 h3 21.gxh3 h4 22.Qf7+ Ke5 23.Qh7 Kf6 24.Qh6+ Kf5 25.Qg7 g2+ 26.Kf2 g1B+ 27.Kxg1 Nxh3+ 28.Kg2 Nf4+ 29.Kh2
 33/62+	00:15	 188 533k	12 125k	+5,31	1.Bg4+
 33/62+	00:17	 211 556k	12 265k	+5,37	1.Bg4+
 33/62+	00:22	 282 169k	12 592k	+5,83	1.Bg4+
 33/62	00:24	 303 272k	12 568k	+5,93	1.Bg4+ Bxg4 2.Qc3 Qd6 3.Nf6+ Qxf6 4.Qxf6 Bf5 5.Kh2 Nd3 6.Qe7 Nef4 7.Qe3 Ne6 8.Ne4 Bxe4 9.Qe2+ g4 10.Qxe4 Ndf4 11.g3 hxg3+ 12.fxg3 Ng5 13.Qxf4 Nh3 14.Qd4 Ng5 15.Kg2 Nf3 16.Qb4 Ng5 17.Kf2 Nh3+ 18.Ke3 Ng5 19.Qb7 Nf3 20.Qd5+ Ng5 21.Qh1+ Nh3 22.Kd4 g5 23.Ke5
 34/62+	00:25	 325 512k	12 553k	+6,00	1.Bg4+
 34/62+	00:27	 343 899k	12 553k	+6,07	1.Bg4+
 34/62-	00:27	 349 970k	12 510k	+6,00	1.Bg4+ Bxg4
Top
Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Complex Puzzle (first is draw)

Post by Vinvin »

Nordlandia wrote:[pgn][Event "2.p Breyer MT Magyar Sakkélet#0776"]
[Site "?"]
[Date "1968.??.??"]
[Round "?"]
[White "Kasparyan=G"]
[Black "(=3012.32e3d6)"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "5N2/6N1/q2k3p/8/6p1/4K1PP/B5P1/8 w - - 0 1"]
[PlyCount "18"]
[EventDate "1968.??.??"]

1. Nf5+ Ke5 2. Nd7+ Kxf5 3. Bb1+ Kg5 4. h4+ Kh5 5. Kf2 Qa7+ 6. Kf1 Qa1 7. Nf6+
Qxf6+ 8. Kg1 Qb6+ 9. Kh2 Qxb1 1/2-1/2

[/pgn]

Behting study equivalent ⁉
29 seconds for latest SF to find the correct move and the correct plan to draw (but not the correct score).

FEN: 5N2/6N1/q2k3p/8/6p1/4K1PP/B5P1/8 w - - 0 1

Code: Select all

Stockfish_16051313_x64_modern:
...
 31/69+	00:16	 222 909k	13 519k	-4,62	1.Nge6
 31/69-	00:18	 253 956k	13 667k	-4,74	1.Nge6 Qa3+
 31/69-	00:28	 407 079k	14 394k	-6,60	1.Nge6 Qa3+
 31/69	00:29	 431 789k	14 439k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be6 Qe7 14.Bf5 Qf8 15.Bc2 Qb4 16.Bd3 Qd6 17.Bf5 Qc5 18.Be4 Qf2 19.Bd3 Qf6 20.Bh7 Qe5 21.Bd3 Qc7 22.Be4 Qc5
 32/69	00:30	 435 501k	14 449k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be6 Qe7 14.Bf5 Qf8 15.Bc2 Qb4 16.Bd3 Qd6 17.Bf5 Qc5 18.Be4 Qf2 19.Bd3 Qf6 20.Bh7 Qe5 21.Bd3 Qc7 22.Be4 Qc5 23.Bd3
 33/69	00:31	 448 381k	14 453k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be6 Qe7 14.Bf5 Qf8 15.Bc2 Qb4 16.Bd3 Qd6 17.Bf5 Qc5 18.Be4 Qf2 19.Bd3 Qf6 20.Bh7 Qe5 21.Bd3 Qc7 22.Be4 Qc5 23.Bd3
 34/69	00:32	 468 872k	14 491k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be6 Qe7 14.Bf5 Qf8 15.Bc2 Qb4 16.Bd3 Qd6 17.Bf5 Qc5 18.Be4 Qf2 19.Bd3 Qf6 20.Bh7 Qe5 21.Bd3 Qc7 22.Be4 Qc5 23.Bd3 Qf2
 35/69	00:33	 483 085k	14 520k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be6 Qe7 14.Bf5 Qf8 15.Bc2 Qb4 16.Bd3 Qd6 17.Bf5 Qc5 18.Be4 Qf2 19.Bd3 Qf6 20.Bh7 Qe5 21.Bd3 Qc7 22.Be4 Qc5 23.Bd3 Qf2 24.Be4
 36/69	00:34	 495 598k	14 528k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be6 Qe7 14.Bf5 Qf8 15.Bc2 Qb4 16.Bd3 Qd6 17.Bf5 Qc5 18.Be4 Qf2 19.Bd3 Qf6 20.Bh7 Qe5 21.Bd3 Qc7 22.Be4 Qb8 23.Bc2 Qb7 24.Bf5 Qb6
 37/69	00:36	 527 156k	14 547k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be6 Qe7 14.Bf5 Qf8 15.Bc2 Qb4 16.Bd3 Qd6 17.Bf5 Qc5 18.Be4 Qf2 19.Bd3 Qf6 20.Bh7 Qe5 21.Bd3 Qc7 22.Be4 Qb8 23.Bc2 Qb7 24.Bf5 Qb6 25.Bd3
 38/69	00:38	 555 748k	14 558k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be6 Qe7 14.Bf5 Qf8 15.Bc2 Qb4 16.Bd3 Qd6 17.Bf5 Qc5 18.Be4 Qf2 19.Bd3 Qf6 20.Bh7 Qe5 21.Bd3 Qc7 22.Be4 Qb8 23.Bc2 Qb7 24.Bf5 Qb6 25.Bd3 Qe6
 39/69	00:40	 588 017k	14 545k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be4 Qb8 14.Bc2 Qb7 15.Bf5 Qb6 16.Bd3 Qe6 17.Bb1 Qf7 18.Be4 Qe7 19.Bf5 Qf8 20.Bc2 Qb4 21.Bd3 Qd6 22.Bf5 Qd4 23.Bb1 Qd1 24.Bh7 Qe2 25.Bb1 Qe5
 40/69	00:43	 630 690k	14 575k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be4 Qb8 14.Bc2 Qb7 15.Bf5 Qb6 16.Bd3 Qe6 17.Bb1 Qf7 18.Be4 Qe7 19.Bf5 Qf8 20.Bc2 Qb4 21.Bd3 Qd6 22.Bf5 Qd4 23.Bb1 Qf2 24.Bd3 Qf6 25.Bh7 Qe6 26.Bc2 Qb6
 41/69	00:47	 688 820k	14 598k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be4 Qb8 14.Bc2 Qb7 15.Bf5 Qb6 16.Bd3 Qe6 17.Bb1 Qf7 18.Be4 Qe7 19.Bf5 Qf8 20.Bc2 Qb4 21.Bd3 Qd6 22.Bf5 Qd4 23.Bb1 Qf2 24.Bd3 Qf6 25.Bh7 Qe5 26.Bd3 Qb2
 42/69	00:51	 748 480k	14 529k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be4 Qb8 14.Bc2 Qb7 15.Bf5 Qb6 16.Bd3 Qe6 17.Bb1 Qf7 18.Be4 Qe7 19.Bf5 Qf8 20.Bc2 Qb4 21.Bd3 Qd6 22.Bf5 Qd4 23.Bb1 Qf2 24.Bd3 Qf6 25.Bh7 Qb2 26.Bf5 Qd2 27.Bb1
 43/69	00:54	 795 189k	14 482k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be4 Qb8 14.Bc2 Qb7 15.Bf5 Qb6 16.Bd3 Qe6 17.Bb1 Qf7 18.Be4 Qe7 19.Bf5 Qf8 20.Bc2 Qb4 21.Bd3 Qd6 22.Bf5 Qd4 23.Bb1 Qf6 24.Be4 Qa1 25.Bc6 Qe5 26.Ba4 Kg6 27.Bd7 Qe4
 44/69	01:01	 880 424k	14 385k	-6,57	1.Nf5+ Ke5 2.Nd7+ Kxf5 3.Bb1+ Kg5 4.h4+ Kh5 5.Kf2 Qa7+ 6.Kf1 Qxd7 7.Kg1 Qf7 8.Kh2 Qd5 9.Bc2 Qd4 10.Bf5 Qe3 11.Bc2 Qa7 12.Bf5 Qc7 13.Be4 Qb8 14.Bc2 Qb7 15.Bf5 Qb6 16.Bd3 Qe6 17.Bb1 Qf7 18.Be4 Qe7 19.Bf5 Qf8 20.Bc2 Qb4 21.Bd3 Qd6 22.Bf5 Qd4 23.Bb1 Qf6 24.Be4 Qe5 25.Bc2 Qe3 26.Bf5 Qf2 27.Be4 Qf6 28.Bh7
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Complex Puzzle (first is draw)

Post by Nordlandia »

No 13664 NKralin
prize "Magadan-60AT"
1999

White mates in 14 according endgame magazine.
[d]8/p7/P2P4/4pppp/4P2P/5KBk/6p1/7b w - - 0 0

No 13706 S.N.Tkachenko
3rd prize Shakhmatnaya
nedelya 2003

White wins!
[d]3B4/8/1N1P4/3P1n2/3P4/4p3/8/b3k2K w - - 0 0
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Complex Puzzle (first is draw)

Post by Nordlandia »

No 13985 N.Sikdar
special honourable mention,
Shakhmaty v SSSR 1970

White draws!
[d]B1k1K2B/3N4/6p1/PP1N3P/Pp5P/1p4pP/2pppp2/b6q w - - 0 0
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Complex Puzzle (first is draw)

Post by Nordlandia »

No 14107 A.Kuryatnikov,
E.Markov
honourable mention
L.Kubbel-llOMT

Author claims white draws, however Stockfish assess black's position as +0.80.
[d]7B/2k1N3/3n4/4K2b/5p2/3Bb3/8/7n w - - 0 0
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Complex Puzzle (first is draw)

Post by Nordlandia »

AEG Magazine Volume 147

No 13376 V.Neishtadt
=4/5th honourable mention
Vecherny Leningrad
1987-88

White wins!
[d]5k2/8/2N3Pp/2q2NpP/6p1/3p2P1/2pP4/2K4B w - - 0 0
Top
Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Complex Puzzle (first is draw)

Post by Vinvin »

Nordlandia wrote:AEG Magazine Volume 147

No 13376 V.Neishtadt
=4/5th honourable mention
Vecherny Leningrad
1987-88

White wins!
[d]5k2/8/2N3Pp/2q2NpP/6p1/3p2P1/2pP4/2K4B w - - 0 0
1.g7+ found at depth=1 , >+5 score after 7 seconds

Code: Select all

Stockfish_16051421_x64_modern:
 1/2	00:00	 610	305k	-0,82	1.g7+ Kf7 2.Nxh6+ Kxg7 3.Nxg4
 2/4	00:00	 1k	625k	+4,26	1.g7+ Kf7 2.Nd8+ Kf6 3.g8Q
 3/6	00:00	 2k	969k	-1,43	1.g7+ Kf7 2.Nd8+ Kf6 3.g8N+ Kxf5
 4/8	00:00	 2k	810k	-1,16	1.g7+ Kf7 2.Nd8+ Kf6 3.g8N+ Kxf5 4.Nxh6+ Ke5 5.Nxg4+ Kd4
 5/10	00:00	 5k	1 581k	-1,73	1.g7+ Kf7 2.Nd8+ Kf6 3.g8N+ Ke5 4.Nc6+ Kxf5 5.Nxh6+ Ke6
 6/11	00:00	 7k	2 447k	-0,17	1.g7+ Kf7 2.Bd5+ Kf6 3.g8N+ Kxf5 4.Nxh6+ Kf6 5.Nxg4+ Kg7 6.h6+ Kh8
 7/12	00:00	 8k	2 581k	-0,17	1.g7+ Kf7 2.Bd5+ Kf6 3.g8N+ Kxf5 4.Nxh6+ Kf6 5.Nxg4+ Kg7 6.h6+ Kh8
 8/16	00:00	 112k	10 195k	+1,03	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8Q+ Kxg8 5.Ne7+ Kf7
 9/16	00:00	 116k	10 557k	+0,28	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8Q+ Kxg8 5.Ne7+ Kf7 6.Nxd5 Ke6 7.Nb6
 10/19	00:00	 167k	11 132k	+1,27	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8
 11/19	00:00	 170k	11 353k	+1,28	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Kd4 8.Bxg4 Ke5 9.Bc8 Ke4
 12/23	00:00	 175k	10 943k	+1,35	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bc8
 13/24	00:00	 211k	11 718k	+1,37	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Ke4 10.Be8 Kd4 11.Bg6 Kc4 12.Bf5
 14/28	00:00	 231k	11 550k	+1,41	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Ke4 10.Be8 Kd4 11.Bg6 Kc4 12.Bf5 Kd4 13.Bh7 Kc4 14.Bg8+ Kd4
 15/31	00:00	 266k	11 563k	+1,41	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Ke4 10.Be8 Kd4 11.Bg6 Kc4 12.Bf5 Kd4 13.Bh7 Kc4 14.Bg6 Kd4 15.Be8 Ke4 16.Bc6+ Ke5
 16/35	00:00	 304k	11 709k	+1,39	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Ke4 10.Be8 Kd4 11.Bg6 Kc4 12.Bf5 Kd4 13.Bh7 Kc4 14.Bg6 Kd4 15.Be8 Ke4 16.Bb5 Kd4 17.g4 Ke4
 17/37	00:00	 479k	11 977k	+1,39	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Ke4 10.Be8 Kd4 11.Bg6 Kc4 12.Bf5 Kd4 13.Bh7 Kc4 14.Bg6 Kd4 15.Bf5 Kc4 16.g4 Kd4 17.Bh7 Kc4 18.Bg6 Kd4
 18/38	00:00	 595k	12 148k	+1,39	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Ke4 10.Be8 Kd4 11.Bg6 Kc4 12.Bf5 Kd4 13.Bh7 Kc4 14.Bg6 Kd4 15.Bf5 Kc4 16.g4 Kd4 17.Bh7 Kc4 18.Bg6 Kd4 19.Bf5 Kc4
 19/40	00:00	 689k	12 091k	+1,39	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Ke4 10.Be8 Kd4 11.Bg6 Kc4 12.Bf5 Kd4 13.Bh7 Kc4 14.Bg6 Kd4 15.Be8 Ke4 16.Bd7 Ke5 17.Bc8 Ke4 18.Be6 Ke5 19.Bf7 Kd4
 20/40	00:00	 973k	12 317k	+1,39	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd4 10.Bb5 Ke4 11.Be8 Kd4 12.Bf7 Ke5 13.Bg6 Kd4 14.Bf5 Kc4 15.Bh7 Kd4 16.Bg6 Kc4 17.Bf5
 21/40	00:00	 1 222k	12 347k	+1,39	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd4 10.Bb5 Ke4 11.Be8 Kd4 12.Bf7 Ke5 13.Bg6 Kd4 14.Bf5 Kc4 15.g4 Kd4 16.Bh7 Kc4 17.Bg6 Kd4 18.Bf5
 22/40	00:00	 1 639k	13 011k	+1,39	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd4 10.Bb5 Ke4 11.Be8 Kd4 12.Bf7 Ke5 13.Bg6 Kd4 14.Bf5 Kc4 15.g4 Kd4 16.Bh7 Kc4 17.Bg6 Kd4 18.Bf5 Kc4
 23/40	00:00	 2 190k	13 274k	+1,33	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd4 10.Bb5 Ke4 11.Be8 Kd4 12.Bf7 Ke5 13.Bg6 Kd4 14.Bf5 Kc4 15.g4 Kd4 16.Bh7 Kc4 17.Bg6 Kd4 18.Bf5 Kc4
 24/42	00:00	 3 584k	13 893k	+1,32	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd4 10.Bb5 Ke4 11.Be8 Kd4 12.Bf7 Ke5 13.Bg6 Kd4 14.Bf5 Kc4 15.Bh7 Kd4 16.Bg6 Kc4 17.Bf5 Kd4 18.Be6 Ke5 19.Bc8 Kd4 20.Bd7 Ke4 21.Bb5 Kd4
 25/45	00:00	 5 121k	14 029k	+1,31	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd4 10.Bb5 Ke4 11.Be8 Kd4 12.Bf7 Ke5 13.Bg6 Kd4 14.Bf5 Kc4 15.Bh7 Kd4 16.Bg6 Kc4 17.Bf5 Kd4 18.Bh7 Kc4 19.Bg8+ Kd4 20.g4 Ke4 21.Bc4 Kd4 22.Be6 Ke5 23.Bf5
 26/46	00:00	 5 791k	13 922k	+1,31	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd4 10.Bb5 Ke4 11.Be8 Kd4 12.Bf7 Ke5 13.Bg6 Kd4 14.Bf5 Kc4 15.Bh7 Kd4 16.Bg6 Kc4 17.Bf5 Kd4 18.Bh7 Kc4 19.Bg8+ Kd4 20.g4 Ke4 21.Bc4 Kd4 22.Be6 Ke5 23.Bf5 Kd4
 27/48	00:00	 9 296k	13 959k	+1,31	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd4 10.Bb5 Ke4 11.Be8 Kd4 12.Bf7 Ke5 13.Bg6 Kd4 14.Bf5 Kc4 15.Bh7 Kd4 16.Bg6 Kc4 17.Bf5 Kd4 18.Bh7 Kc4 19.Bg8+ Kd4 20.g4 Ke4 21.Bc4 Kd4 22.Be6 Ke5 23.Bc8 Ke4 24.Bb7+ Kf4
 28/49	00:00	 10 768k	13 805k	+1,31	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd4 10.Bb5 Ke4 11.Be8 Kd4 12.Bf7 Ke5 13.Bg6 Kd4 14.Bf5 Kc4 15.Bh7 Kd4 16.Bg6 Kc4 17.Bf5 Kd4 18.Bh7 Kc4 19.Bg8+ Kd4 20.g4 Ke4 21.Bc4 Kd4 22.Be6 Ke5 23.Bc8 Ke4 24.Ba6 Kd4
 29/49	00:01	 15 935k	12 489k	+1,31	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd4 10.Bb5 Ke4 11.Be8 Kd4 12.Bf7 Ke5 13.Bg6 Kd4 14.Bf5 Kc4 15.Bh7 Kd4 16.Bg6 Kc4 17.Bf5 Kd4 18.Bh7 Kc4 19.Bg8+ Kd4 20.g4 Ke4 21.Bc4 Kd4 22.Be6 Ke5 23.Bf5 Kd4 24.Bg6 Kc4
 30/49	00:01	 19 008k	12 359k	+1,31	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd5 10.Bc8 Ke4 11.Bb7+ Kd4 12.g4 Ke5 13.Bc8 Ke4 14.Bf5+ Kd4 15.Bg6 Kc4 16.Be4 Kd4 17.Bf5 Kc4 18.Bg6 Kd4 19.Bf7 Ke4 20.Bb3 Kf3 21.Ba4 Ke4 22.Bb5 Kd4
 31/49	00:02	 26 528k	12 778k	+1,39	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd5 10.Bf5 Kc4 11.Bh7 Kd4 12.Bg6 Kc4 13.Bf5 Kd4 14.Be6 Kc5 15.Bb3 Kd4 16.Bxc2 dxc2 17.Kxc2 g4 18.Kd1 Kc4 19.Ke2
 32/49	00:02	 33 263k	12 938k	+1,58	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Ke4 8.Bxg4 Ke5 9.Bd7 Kd4 10.Bb5 Ke4 11.Ba4 Ke5 12.Bxc2 dxc2 13.Kxc2 Kd4 14.d3 Ke5 15.Kc3 Kd5 16.d4 Kc6 17.Kc4 Kd6 18.d5 g4 19.Kd4 Kd7
 33/49+	00:03	 38 110k	12 644k	+1,84	1.g7+
 33/49+	00:03	 40 208k	12 632k	+1,99	1.g7+
 33/52+	00:07	 97 494k	13 609k	+5,63	1.g7+
 33/52	00:08	 118 205k	13 790k	+6,03	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Kd4 8.Bxg4 Ke4 9.Bc8 Ke5 10.Bd7 Ke4 11.Ba4 Kf3 12.Bc6+ Kg4 13.Bb5 Kxg3 14.Bxd3 Kf4 15.Kxc2 Ke5 16.Kc3 Ke6 17.Be2 Ke7 18.Kd3 Kd7 19.Ke3 Ke6 20.d4 Kf7 21.d5 Ke7 22.Kd3 Kd7
 34/52+	00:10	 151 004k	13 848k	+6,10	1.g7+
 34/52+	00:11	 160 796k	13 889k	+6,17	1.g7+
 34/54+	00:34	 479 403k	14 039k	+10,20	1.g7+
 34/54-	00:34	 480 374k	14 038k	+9,38	1.g7+ Kf7
 34/54+	00:35	 498 852k	14 047k	+10,41	1.g7+
 34/54+	00:41	 582 383k	14 051k	+12,39	1.g7+
 34/57	00:45	 632 330k	14 034k	+14,37	1.g7+ Kf7 2.Ne5+ Qxe5 3.Bd5+ Qxd5 4.g8B+ Kf6 5.Bxd5 Kxf5 6.Bb7 Ke5 7.Bc8 Kd4 8.Bxg4 Ke4 9.Bd7 Kd4 10.Ba4 Ke4 11.Bb3 Kf3 12.Bd5+ Kxg3 13.Be4 Kg4 14.Bxd3 Kf4 15.Kxc2 Ke5 16.Kc3 Kd5 17.Be2 Ke5 18.Kd3 Kf4 19.Bd1 Kg3 20.Ke4 Kf2 21.Be2 Kg3 22.d4 Kg2 23.d5 Kh3 24.d6 Kg3 25.d7
 35/57+	00:46	 647 702k	14 052k	+14,44	1.g7+
 35/57+	00:47	 672 791k	14 076k	+14,51	1.g7+
 35/57+	00:50	 719 132k	14 120k	+16,75	1.g7+
 35/59-	00:50	 719 392k	14 120k	+14,54	1.g7+ Kf7
 35/63+	00:51	 720 956k	14 127k	+16,87	1.g7+
 35/63-	00:51	 721 890k	14 129k	+14,82	1.g7+ Kf7
 35/63+	00:51	 726 856k	14 135k	+16,87	1.g7+
 35/63-	00:51	 727 095k	14 135k	+14,50	1.g7+ Kf7
 35/63+	00:51	 727 418k	14 135k	+16,94	1.g7+
 35/63-	00:51	 728 018k	14 137k	+14,50	1.g7+ Kf7
 35/63+	00:51	 734 515k	14 143k	+17,34	1.g7+
Top
Vinvin
Posts: 5228
Joined: Thu Mar 09, 2006 9:40 am
Full name: Vincent Lejeune

Re: Complex Puzzle (first is draw)

Post by Vinvin »

Nordlandia wrote:No 14107 A.Kuryatnikov,
E.Markov
honourable mention
L.Kubbel-llOMT

Author claims white draws, however Stockfish assess black's position as +0.80.
[d]7B/2k1N3/3n4/4K2b/5p2/3Bb3/8/7n w - - 0 0
4 minors piece vs 3, score stay <1 for a long time. Probably draw.
We need 9 pieces EGTB to be sure :P
Top
User avatar
Nordlandia
Posts: 2821
Joined: Fri Sep 25, 2015 9:38 pm
Location: Sortland, Norway

Re: Complex Puzzle (first is draw)

Post by Nordlandia »

No 14144 D.Makhatadze
honourable mention
Gurgenidze-50

White wins
[d]8/8/8/8/1p1rq2r/N1bkn1KR/4NB2/1R1B4 w - - 0 1

No 14149 P.Olin
commendation
Gurgenidze-50

White wins!
[d]r2bq1nr/p2pp1n1/2p4p/p2B2pp/6k1/8/6P1/1RQ3K1 w - - 0 0

No 14161 S.Borodavkin
special commendation
Gurgenidze-50

White wins!
[d]3K4/1PppN3/k3p3/qr1pP2P/P2p3r/8/1p3Bn1/3b1Q2 w - - 0 0
Top

Return to “Computer Chess Club: General Topics”