Which engines can find this mate in 13, and how long does it take?
[d] 8/2p5/4p3/2P1p3/4P3/3p1K2/pppp1B2/rbbk2N1 w - - 0 1
Interesting checkmate puzzle
Moderator: Ras
-
George Tsavdaris
- Posts: 1627
- Joined: Thu Mar 09, 2006 12:35 pm
Re: Interesting checkmate puzzle
Chessmaster 9000 R1 settings find it easily:David Dahlem wrote:Which engines can find this mate in 13, and how long does it take?
[d] 8/2p5/4p3/2P1p3/4P3/3p1K2/pppp1B2/rbbk2N1 w - - 0 1
Analysis by CM9_R1:
1.c5-c6
= (0.00) Depth: 11 00:00:00 5kN
1.c5-c6
= (0.00) Depth: 12 00:00:00 9kN
1.c5-c6
= (0.00) Depth: 13 00:00:00 44kN
1.c5-c6
= (0.00) Depth: 14 00:00:00 208kN
1.c5-c6
= (0.00) Depth: 15 00:00:01 560kN
1.c5-c6
= (0.00) Depth: 16 00:00:02 1223kN
1.c5-c6
= (0.00) Depth: 17 00:00:04 2350kN
1.Bf2-h4 c7-c6 2.Kf3-g3 Kd1-e1 3.Kg3-g2+ Ke1-d1 4.Bh4-d8 Kd1-e1 5.Bd8-a5 Ke1-d1 6.Ba5-b4 Kd1-e1 7.Bb4-c3 Ke1-d1 8.Bc3xe5 Kd1-e1 9.Be5-g3+ Ke1-d1 10.Kg2-f1 e6-e5 11.Bg3-f4 e5xf4 12.Ng1-h3 f4-f3 13.Nh3-f2#
+- (99.75) Depth: 17 00:00:06 3587kN
1.Bf2-h4 c7-c6 2.Kf3-g3 Kd1-e1 3.Kg3-g2+ Ke1-d1 4.Bh4-d8 Kd1-e1 5.Bd8-a5 Ke1-d1 6.Ba5-b4 Kd1-e1 7.Bb4-c3 Ke1-d1 8.Bc3xe5 Kd1-e1 9.Be5-g3+ Ke1-d1 10.Kg2-f1 e6-e5 11.Bg3-f4 e5xf4 12.Ng1-h3 f4-f3 13.Nh3-f2#
+- (99.75) Depth: 18 00:00:09 5508kN
As also Chessmaster 10000 more easily:
Analysis by Chessmaster 10000:
1.Kf3-e3 c7-c6 2.Ke3xd3
= (0.00) Depth: 11 00:00:00 120kN
1.Kf3-e3 c7-c6 2.Ke3xd3
= (0.00) Depth: 12 00:00:00 253kN
1.Kf3-e3 c7-c6 2.Ke3xd3
= (0.00) Depth: 13 00:00:01 525kN
1.Kf3-e3 c7-c6 2.Ke3xd3
= (0.00) Depth: 14 00:00:02 1059kN
1.Bf2-h4 c7-c6 2.Kf3-g3 Kd1-e1 3.Kg3-g2+ Ke1-d1 4.Bh4-d8 Kd1-e1 5.Bd8-a5 Ke1-d1 6.Ba5-b4 Kd1-e1 7.Bb4-c3 Ke1-d1 8.Bc3xe5 Kd1-e1 9.Be5-g3+ Ke1-d1 10.Kg2-f1 e6-e5 11.Bg3-f4 e5xf4 12.Ng1-h3 f4-f3 13.Nh3-f2#
+- (99.75) Depth: 14 00:00:03 1369kN
Movei 00_8_438 is also very clever:
Analysis by Movei00_8_438:
1.c5-c6
= (0.00) Depth: 13 00:00:00 60kN
1.c5-c6
= (0.00) Depth: 13 00:00:00 119kN
1.c5-c6
= (0.00) Depth: 14 00:00:00 119kN
1.c5-c6
= (0.00) Depth: 14 00:00:00 229kN
1.c5-c6
= (0.00) Depth: 15 00:00:00 229kN
1.Bf2-h4
= (0.01) Depth: 15 00:00:00 255kN
1.Bf2-h4 c7-c6 2.Kf3-g3 Kd1-e1 3.Kg3-g2+ Ke1-d1 4.Bh4-d8 Kd1-e1 5.Bd8-a5 Ke1-d1 6.Ba5-b4 Kd1-e1 7.Bb4-c3 Ke1-d1 8.Bc3xe5 Kd1-e1
= (0.01) Depth: 15 00:00:01 319kN
1.Bf2-h4 c7-c6 2.Kf3-g3 Kd1-e1 3.Kg3-g2+ Ke1-d1 4.Bh4-d8 Kd1-e1 5.Bd8-a5 Ke1-d1 6.Ba5-b4 Kd1-e1 7.Bb4-c3 Ke1-d1 8.Bc3xe5 Kd1-e1
= (0.01) Depth: 15 00:00:01 446kN
1.Bf2-h4 c7-c6 2.Kf3-g3 Kd1-e1 3.Kg3-g2+ Ke1-d1 4.Bh4-d8 Kd1-e1 5.Bd8-a5 Ke1-d1 6.Ba5-b4 Kd1-e1 7.Bb4-c3 Ke1-d1 8.Bc3xe5 Kd1-e1 9.Be5-g3+ Ke1-d1 10.Kg2-f1 e6-e5 11.Bg3xe5
= (0.00) Depth: 16 00:00:01 618kN
1.Bf2-h4 c7-c6 2.Kf3-g3 Kd1-e1 3.Kg3-g2+ Ke1-d1 4.Bh4-d8 Kd1-e1 5.Bd8-a5 Ke1-d1 6.Ba5-b4 Kd1-e1 7.Bb4-c3 Ke1-d1 8.Bc3xe5 Kd1-e1 9.Be5-g3+ Ke1-d1 10.Kg2-f1 e6-e5 11.Bg3xe5
= (0.00) Depth: 16 00:00:01 855kN
1.Bf2-h4
+/= (0.30) Depth: 17 00:00:01 855kN
1.Bf2-h4
+/- (1.00) Depth: 17 00:00:02 855kN
1.Bf2-h4 c7-c6 2.Kf3-g3 Kd1-e1 3.Kg3-g2+ Ke1-d1 4.Bh4-d8 Kd1-e1 5.Bd8-a5 Ke1-d1 6.Ba5-b4 Kd1-e1 7.Bb4-c3 Ke1-d1 8.Bc3xe5 Kd1-e1 9.Be5-g3+ Ke1-d1 10.Kg2-f1 e6-e5 11.Bg3-f4 e5xf4 12.Ng1-h3 f4-f3 13.Nh3-f2#
-+ (-#2741) Depth: 17 00:00:02 1125kN
1.Bf2-h4 c7-c6 2.Kf3-g3 Kd1-e1 3.Kg3-g2+ Ke1-d1 4.Bh4-d8 Kd1-e1 5.Bd8-a5 Ke1-d1 6.Ba5-b4 Kd1-e1 7.Bb4-c3 Ke1-d1 8.Bc3xe5 Kd1-e1 9.Be5-g3+ Ke1-d1 10.Kg2-f1 e6-e5 11.Bg3-f4 e5xf4 12.Ng1-h3 f4-f3 13.Nh3-f2#
-+ (-#2741) Depth: 17 00:00:03 1463kN
After his son's birth they've asked him:
"Is it a boy or girl?"
YES! He replied.....
"Is it a boy or girl?"
YES! He replied.....
-
zullil
- Posts: 6442
- Joined: Tue Jan 09, 2007 12:31 am
- Location: PA USA
- Full name: Louis Zulli
Re: Interesting checkmate puzzle
Stockfish-1.6.2 (8 threads) finds mate-in-15 in 1 second and mate-in-13 in 20 seconds:David Dahlem wrote:Which engines can find this mate in 13, and how long does it take?
[d] 8/2p5/4p3/2P1p3/4P3/3p1K2/pppp1B2/rbbk2N1 w - - 0 1
Code: Select all
Searching: 8/2p5/4p3/2P1p3/4P3/3p1K2/pppp1B2/rbbk2N1 w - -
infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0
2 -22.55 00:00 21 Ke3 c6 Kxd3
2 +0.00 00:00 31 c6
3 +0.00 00:00 46 c6
4 +0.00 00:00 72 c6
5 +0.00 00:00 97 c6
6 +0.00 00:00 123 c6
7 +0.00 00:00 148 c6
8 +0.00 00:00 190 c6
9 +0.00 00:00 256 c6
10 +0.00 00:00 389 c6
11 +0.00 00:00 534 c6
12 +0.00 00:00 665 c6
13 +0.00 00:00 804 c6
14 +0.00 00:00 1338 c6
15 +0.00 00:00 2928 c6
16 +0.00 00:00 5032 c6
17 +0.00 00:00 7876 c6
18 +0.00 00:00 10691 c6
19 +0.00 00:00 14030 c6
20 +0.00 00:00 19512 c6
21 +0.00 00:00 31225 c6
22 +0.00 00:00 52163 c6
23 +0.00 00:00 81197 c6
24 +0.00 00:00 117112 c6
25 +0.00 00:00 158403 c6
26 +0.00 00:00 253135 c6
27 +0.00 00:00 420977 c6
28 +0.00 00:00 809638 c6
29 +0.00 00:00 1471k c6
30 +0.00 00:01 2274k c6
30 > #15 00:01 4522k Bh4 c6 Kg3 Ke1 Kg2+ Kd1 Bd8 Ke1 Ba5 Kd1 Bc3 Ke1
Bb4 Kd1 Ba5 Ke1 Bc3 Kd1 Bxe5 Ke1 Bg3+ Kd1 Kf1 e5
Bf4 exf4 Nh3
31 #13 00:20 94683k Bh4 c6 Kg3 Ke1 Kg2+ Kd1 Bd8 Ke1 Ba5 Kd1 Bb4 Ke1
Bc3 Kd1 Bxe5 Ke1 Bg3+ Kd1 Kf1 e5 Bf4 exf4 Nh3 f3
Nf2#
32 #13 01:04 290461k Bh4 c6 Kg3 Ke1 Kg2+ Kd1 Bd8 Ke1 Ba5 Kd1 Bb4 Ke1
Bc3 Kd1 Bxe5 Ke1 Bg3+ Kd1 Kf1 e5 Bf4 exf4 Nh3 f3
Nf2#
Nodes: 310747561
Nodes/second: 4459957
Best move: Bh4
Ponder move: c6
-
kingliveson
Re: Interesting checkmate puzzle
Engines struggling to find mate with 4 cores @ 3.6 GHz:
Crafty 23.1
Deep Shredder 12
Fruit 2.3.1
IvanHoe 9.81b
Rybka 3
Zappa Mexico II
Crafty 23.1
Deep Shredder 12
Fruit 2.3.1
IvanHoe 9.81b
Rybka 3
Zappa Mexico II
-
zullil
- Posts: 6442
- Joined: Tue Jan 09, 2007 12:31 am
- Location: PA USA
- Full name: Louis Zulli
Re: Interesting checkmate puzzle
Crafty-23.1 opts for stalemate!David Dahlem wrote:Which engines can find this mate in 13, and how long does it take?
[d] 8/2p5/4p3/2P1p3/4P3/3p1K2/pppp1B2/rbbk2N1 w - - 0 1
Code: Select all
Crafty v23.1 (8 cpus)
White(1): book off
book file disabled.
White(1): ponder off
pondering disabled.
White(1): setboard 8/2p5/4p3/2P1p3/4P3/3p1K2/pppp1B2/rbbk2N1 w - - 0 1
White(1): st 600
search time set to 600.00.
White(1): display stats
display statistics at end of each search.
White(1): display
+---+---+---+---+---+---+---+---+
8 | | . | | . | | . | | . |
+---+---+---+---+---+---+---+---+
7 | . | |<P>| | . | | . | |
+---+---+---+---+---+---+---+---+
6 | | . | | . |<P>| . | | . |
+---+---+---+---+---+---+---+---+
5 | . | |-P-| |<P>| | . | |
+---+---+---+---+---+---+---+---+
4 | | . | | . |-P-| . | | . |
+---+---+---+---+---+---+---+---+
3 | . | | . |<P>| . |-K-| . | |
+---+---+---+---+---+---+---+---+
2 |<P>|<P>|<P>|<P>| |-B-| | . |
+---+---+---+---+---+---+---+---+
1 |<R>|<B>|<B>|<K>| . | |-N-| |
+---+---+---+---+---+---+---+---+
a b c d e f g h
White(1): go
time limit 10:00 (+0.00) (10:00)
depth time score variation (1)
starting thread 1
starting thread 2
starting thread 3
starting thread 4
starting thread 5
starting thread 6
starting thread 7
23-> 0.03 0.01 1. c6
24 0.03 0.01 1. c6 (9.1Mnps)
24-> 0.03 0.01 1. c61 (12.0Mnps)
25 0.03 0.01 1. c6 (13.7Mnps)
25-> 0.05 0.01 1. c61 (13.5Mnps)
26 0.05 0.01 1. c6 (13.8Mnps)
26-> 0.06 0.01 1. c61 (18.0Mnps)
27 0.06 0.01 1. c6 (18.3Mnps)
27-> 0.08 0.01 1. c62 (20.8Mnps)
28 0.08 0.01 1. c6 (20.3Mnps)
28-> 0.14 0.01 1. c62 (23.1Mnps)
29 0.14 0.01 1. c6 (23.5Mnps)
29-> 0.19 0.01 1. c62 (24.4Mnps)
30 0.19 0.01 1. c6 (23.8Mnps)
30-> 0.25 0.01 1. c62 (25.0Mnps)
31 0.25 0.01 1. c6 (25.2Mnps)
31-> 0.33 0.01 1. c62 (26.0Mnps)
32 0.33 0.01 1. c6 (26.5Mnps)
32-> 0.45 0.01 1. c62 (27.6Mnps)
33 0.45 0.01 1. c6 (27.2Mnps)
33-> 0.61 0.01 1. c62 (27.9Mnps)
34 0.61 0.01 1. c6 (27.7Mnps)
34-> 0.87 0.01 1. c62 (28.3Mnps)
35 0.87 0.01 1. c6 (27.4Mnps)
35-> 1.18 0.01 1. c62 (28.0Mnps)
36 1.18 0.01 1. c6 (27.3Mnps)
36-> 1.60 0.01 1. c62 (27.6Mnps)
37 1.60 0.01 1. c6 (27.2Mnps)
37-> 2.15 0.01 1. c62 (27.7Mnps)
38 2.15 0.01 1. c6 (27.5Mnps)
38-> 3.11 0.01 1. c62 (27.8Mnps)
39 3.11 0.01 1. c6 (25.6Mnps)
39-> 4.37 0.01 1. c62 (26.3Mnps)
40 4.37 0.01 1. c6 (24.5Mnps)
40-> 6.17 0.01 1. c62 (25.2Mnps)
41 6.17 0.01 1. c6 (24.9Mnps)
41-> 18.03 0.01 1. c64 (25.4Mnps)
42 18.03 0.01 1. c6 (23.4Mnps)
42-> 30.56 0.01 1. c6 (23.7Mnps)
43 30.56 0.01 1. c6 (22.7Mnps)
43-> 1:08 0.01 1. c64 (22.7Mnps)
44 1:08 0.01 1. c6 (22.2Mnps)
44-> 1:36 0.01 1. c64 (22.1Mnps)
45 1:36 0.01 1. c6 (21.0Mnps)
45-> 3:04 0.01 1. c64 (20.5Mnps)
46 3:04 0.01 1. c6 (19.8Mnps)
46-> 5:08 0.01 1. c6 (19.6Mnps)
47 5:08 0.01 1. c6 (18.1Mnps)
47-> 9:26 0.01 1. c64 (18.0Mnps)
48 9:26 0.01 1. c6 (16.7Mnps)
time=10:00 mat=-11 n=10002942400 fh=92% nps=16.6M
extensions=856.9M qchecks=1161.6M reduced=1153.9M pruned=3010.2M
predicted=0 evals=3488.9M 50move=0 EGTBprobes=91K hits=91K
SMP-> splits=2056876 aborts=225015 data=128/512 elap=10:00
terminating SMP processes.
White(1): c6
time used: 10:00
1/2-1/2 {stalemate}
-
zullil
- Posts: 6442
- Joined: Tue Jan 09, 2007 12:31 am
- Location: PA USA
- Full name: Louis Zulli
Re: Interesting checkmate puzzle
Too hard for robbolito0085g3l-x86_64-icc-sse4.2David Dahlem wrote:Which engines can find this mate in 13, and how long does it take?
[d] 8/2p5/4p3/2P1p3/4P3/3p1K2/pppp1B2/rbbk2N1 w - - 0 1
Code: Select all
info depth 53 seldepth 73 score cp 0 time 134543 nodes 411164224 nps 3056000 pv f3e3 c7c6 e3d3-
zullil
- Posts: 6442
- Joined: Tue Jan 09, 2007 12:31 am
- Location: PA USA
- Full name: Louis Zulli
Re: Interesting checkmate puzzle
Running under wine on my MacBook, notDavid Dahlem wrote:Which engines can find this mate in 13, and how long does it take?
[d] 8/2p5/4p3/2P1p3/4P3/3p1K2/pppp1B2/rbbk2N1 w - - 0 1
FireBird 1.0 beta w32
by kranium
based on IppoLito, RobboLito
Igorrit, and IvanHoe
compiled:
Jan 15 2010 20:30:28
compiled with PREFETCH
2 CPUs found
using 2 threads
uci
id name FireBird 1.0 beta w32
id author Yakov Petrovich Golyadkin, Igor Igorovich Igoronov, Roberto Pescatore, Yusuf Ralf Weisskopf, Ivan Skavinsky Skavar plus Decembrists (all)
id copyright Yakov Petrovich Golyadkin, 92th plus 93th year from Revolution, PUBLICDOMAIN (workers)
id dedication To Vladimir Ilyich
Code: Select all
info multipv 1 time 96875 nodes 248024743 nps 2560000 score cp 0 depth 50 pv f3e3 c7c6 e3d3
bestmove f3e3 ponder c7c6