A Propos "Comet"

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

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fern
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A Propos "Comet"

Post by fern »

I have been giving a look at an old freeware program -first it was commercial-, Comet. I used an old version, B10 and I re-discovered how good it was and how special its style. I suppose the last version, B64 or something, is even better.
It is a pity Ulrich did not work any more in it. Or he is?

Fern
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Dr.Wael Deeb
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Re: A Propos "Comet"

Post by Dr.Wael Deeb »

Yep,a great chess engine which is a dead project unfortunately :cry:
Dr.D
_No one can hit as hard as life.But it ain’t about how hard you can hit.It’s about how hard you can get hit and keep moving forward.How much you can take and keep moving forward….
Christopher Conkie
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Re: A Propos "Comet"

Post by Christopher Conkie »

fern wrote:I have been giving a look at an old freeware program -first it was commercial-, Comet. I used an old version, B10 and I re-discovered how good it was and how special its style. I suppose the last version, B64 or something, is even better.
It is a pity Ulrich did not work any more in it. Or he is?

Fern
I think B68 was the last one. Leo has the collection.

http://wbec-ridderkerk.nl/html/details1/Comet.html

There were also many CB versions for use in Fritz and ChessBase.

Image

:)

Christopher
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Kirk
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Re: A Propos "Comet"

Post by Kirk »

Maybe we need a survey on people's favorite engines that are no longer being worked on

Mine would be Rebel and Anaconda/Gromit

Fern, should Comet be your vote?
“He knew all the tricks, dramatic irony, metaphor, pathos, puns, parody, litotes and... satire. He was vicious”
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fern
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Re: A Propos "Comet"

Post by fern »

Yes, certainly, with Rebel. And as appears to be the case, with Junior. Anybody know something about a new version promised lot a time ago?

Fern
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Kirk
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Re: A Propos "Comet"

Post by Kirk »

fern wrote:Yes, certainly, with Rebel. And as appears to be the case, with Junior. Anybody know something about a new version promised lot a time ago?

Fern
I still will use an engine like Gromit along with a top engine just to get a different perspective when studying a game

Maybe they are not satisfied with the improvements yet

http://gilkalai.wordpress.com/2008/06/2 ... ep-junior/
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Mike S.
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Re: A Propos "Comet"

Post by Mike S. »

Kirk wrote:Maybe we need a survey on people's favorite engines that are no longer being worked on
From those I have, Chess Tiger (if it's really retired?), Nimzo... but also interesting freeware engines like Yace, Spike from which I didn't read anything new since a long time, or e.g. Slow Chess Blitz.

Another engine which comes to my mind is Colossus, which had a comeback 2005...2008 but now it has become silent again.

I don't want to list the endless number of chess program oldies I'd like to see again as compatible engines for the public... I think it is not easy for programmers to catch up if they were away from chess programming for many years. Although, sometimes we see remarkable results like Chess Friend's, recently.
Regards, Mike
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Kirk
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Re: A Propos "Comet"

Post by Kirk »

Mike S. wrote:
Kirk wrote:Maybe we need a survey on people's favorite engines that are no longer being worked on
From those I have, Chess Tiger (if it's really retired?), Nimzo... but also interesting freeware engines like Yace, Spike from which I didn't read anything new since a long time, or e.g. Slow Chess Blitz.

Another engine which comes to my mind is Colossus, which had a comeback 2005...2008 but now it has become silent again.

I don't want to list the endless number of chess program oldies I'd like to see again as compatible engines for the public... I think it is not easy for programmers to catch up if they were away from chess programming for many years. Although, sometimes we see remarkable results like Chess Friend's, recently.
Goliath and Patzer were unique as well

Was it Yace or SOS that people used to say had a great endgame? :)
“He knew all the tricks, dramatic irony, metaphor, pathos, puns, parody, litotes and... satire. He was vicious”
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Dr.Wael Deeb
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Re: A Propos "Comet"

Post by Dr.Wael Deeb »

Kirk wrote:
Mike S. wrote:
Kirk wrote:Maybe we need a survey on people's favorite engines that are no longer being worked on
From those I have, Chess Tiger (if it's really retired?), Nimzo... but also interesting freeware engines like Yace, Spike from which I didn't read anything new since a long time, or e.g. Slow Chess Blitz.

Another engine which comes to my mind is Colossus, which had a comeback 2005...2008 but now it has become silent again.

I don't want to list the endless number of chess program oldies I'd like to see again as compatible engines for the public... I think it is not easy for programmers to catch up if they were away from chess programming for many years. Although, sometimes we see remarkable results like Chess Friend's, recently.
Goliath and Patzer were unique as well

Was it Yace or SOS that people used to say had a great endgame? :)
Yace....
_No one can hit as hard as life.But it ain’t about how hard you can hit.It’s about how hard you can get hit and keep moving forward.How much you can take and keep moving forward….
Dann Corbit
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Re: A Propos "Comet"

Post by Dann Corbit »

Dr.Wael Deeb wrote:
Kirk wrote:
Mike S. wrote:
Kirk wrote:Maybe we need a survey on people's favorite engines that are no longer being worked on
From those I have, Chess Tiger (if it's really retired?), Nimzo... but also interesting freeware engines like Yace, Spike from which I didn't read anything new since a long time, or e.g. Slow Chess Blitz.

Another engine which comes to my mind is Colossus, which had a comeback 2005...2008 but now it has become silent again.

I don't want to list the endless number of chess program oldies I'd like to see again as compatible engines for the public... I think it is not easy for programmers to catch up if they were away from chess programming for many years. Although, sometimes we see remarkable results like Chess Friend's, recently.
Goliath and Patzer were unique as well

Was it Yace or SOS that people used to say had a great endgame? :)
Yace....
Yace also does a fantastic job of annotating endgame sequences.

Many strong programs will do something truly annoying like:
+M13 Qb4 <HASHTABLE>
but Yace will give you the full move sequence and if any move is the only optimal move, it gets a !

So far as I know, it is still the best program in the world for this.

Consider:

Code: Select all

input: ; Use 30 Megabytes for hash tables. Change this to a size suitable for
input: ; your hardware. You can use numbers like 10.5M, 10.5m, 10500k or 105000000.
input: hash 256M
hash size wanted 256000000
Stored 364 learned positions into hash table
entries 21333333 size 255999996 size_wanted 256000000 tts3 7111110
input: ; set the chache size for endgame tables. Default is 2M. I suggest to use
input: ; not less than 1M and not more than 8M.
input: egtb_cache 8M
input: ; Where to find the endgame tables, Nalimov format, compressed or uncompressed
input: ; If you don't have endgame tables, delete the following line
input: tbldir c:\chess\winboard\nalimov
5-men endgame table bases found
input: ; save all my games
input: sgames yacegam.pgn
input: ; positional learning now is on by default
input: book_learn 6
book_learn = 6
DBBOOK101 10000 128 20 ff 10162
input: ; to disable book learning, I suggest
input: ; book_learn 4
input: ; Yes - 4 and not 0, so that Yace will have access to NAGs in dblearn.bin
white ( 1): input: xboard
xboard_mode is On
white ( 1): input: new
Stored 364 learned positions into hash table
white ( 1): input: post
white ( 1): input: st 999
white ( 1): input: setboard 8/ppp5/8/PPP5/8/7k/8/7K w - - bm b6; id "J&S44.02";
Stored 364 learned positions into hash table
white ( 1): input: analyze
usetime = 998.00, mintime = 998.00 maxtime = 998.00 tl 998.00 ml 0
1 48 0 1 t  1.Kg1 {0}
1 48 0 4 .  1.Kg1 {0}
2 33 0 15 t  1.Kg1 Kg4 {0}
2 33 1 25 .  1.Kg1 Kg4 {0}
3 24 2 134 t  1.Kg1 b6 2.cxb6 cxb6 {0}
3 24 3 155 .  1.Kg1 b6 2.cxb6 cxb6 {0}
4 24 4 226 t  1.Kg1 b6 2.cxb6 cxb6 {0}
4 24 5 283 .  1.Kg1 b6 2.cxb6 cxb6 {0}
5 17 6 614 t  1.Kg1 b6 2.cxb6 cxb6 3.a6 Kg4 {0}
5 33 7 1826 t+ 1.b6 Kg4 2.a6 axb6 3.cxb6 {0}
5 118 7 1902 ++ 1.b6 a6 2.c6 cxb6H 3.cxb7H bxa5H {-80}
5 219 8 2009 ++ 1.b6 Kg3 2.a6 bxa6 3.bxa7 a5H {0}
5 568 9 2832 t  1.b6 cxb6 2.a6 bxa6 3.c6H a5H 4.c7H b5H 5.c8=Q+H Kg3H {761}
5 568 10 2962 .  1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 b5 5.c8=Q+ Kg3 {761}
6 572 11 5085 t  1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 b5 5.Kg1 b4 {-160}
6 572 12 6494 .  1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 b5 5.Kg1 b4 {-160}
7 603 13 10334 t  1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 Kg3 5.c8=Q Kf2 6.Qg4H {761}
7 603 13 12525 .  1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 Kg3 5.c8=Q Kf2 6.Qg4 {761}
8 643 14 19606 ++ 1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 Kg3 5.c8=Q a6 6.Qxa6 b5 {841}
8 659 15 20974 t  1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 Kg3H 5.c8=QH Kf2H 6.Qa6H Ke3H {761}
8 659 16 23794 .  1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 Kg3 5.c8=Q Kf2 6.Qa6 Ke3 {761}
9 659 17 34547 t  1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 Kg3 5.c8=Q Kf2 6.Qa6 Ke3 7.Qxa7 {841}
9 659 18 41051 .  1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 Kg3 5.c8=Q Kf2 6.Qa6 Ke3 7.Qxa7 {841}
10 699 19 49674 ++ 1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 Kg3 5.c8=Q Kf2 6.Qa6 b5 7.Qxa5 Kf1 {841}
10 709 20 62145 t  1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 Kg3 5.c8=Q a4 6.Kg1 Kf3 7.Qc6+ Ke3H {761}
10 709 21 71865 .  1.b6 cxb6 2.a6 bxa6 3.c6 a5 4.c7 Kg3 5.c8=Q a4 6.Kg1 Kf3 7.Qc6+ Ke3 {761}
11 749 22 85699 ++ 1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 Kg5 5.c8=Q Kg6 6.Qxa6 Kf7 7.Kg1 Ke6
11 814 24 144550 t  1.b6 axb6 2.c6 bxc6 3.a6 c5 4.a7 c4 5.a8=Q c5 6.Qc6 Kg4 7.Qxb6 c3 8.Qxc5 {921}
11 814 25 168478 .  1.b6 axb6 2.c6 bxc6 3.a6 c5 4.a7 c4 5.a8=Q c5 6.Qc6 Kg4 7.Qxb6 c3 8.Qxc5 {921}
12 818 30 305296 t  1.b6 cxb6 2.a6 bxa6 3.c6 Kg3 4.c7 a5 5.c8=Q Kf4 6.Qa6 Ke4 7.Qxa7 {841}
12 818 31 340084 .  1.b6 cxb6 2.a6 bxa6 3.c6 Kg3 4.c7 a5 5.c8=Q Kf4 6.Qa6 Ke4 7.Qxa7 {841}
13 838 42 660174 t  1.b6 axb6 2.c6 bxc6 3.a6 c5 4.a7 Kg4 5.a8=Q Kf4 6.Qc6 Ke3 7.Qxc7 Kd3 8.Kg2 c4 9.Qd8+ Ke4H {841}
13 838 46 807878 .  1.b6 axb6 2.c6 bxc6 3.a6 c5 4.a7 Kg4 5.a8=Q Kf4 6.Qc6 Ke3 7.Qxc7 Kd3 8.Kg2 c4 9.Qd8+ Ke4 {841}
14 879 47 818606 ++ 1.b6 axb6 2.c6 b5 3.cxb7 b4 4.b8=Q c5
14 980 47 824805 ++ 1.b6 Kg4 2.a6 Kf5 3.axb7 Kf6 4.b8=Q Kg6
14 1487 48 849404 ++ 1.b6 Kg4 2.a6 Kf5 3.axb7 Kf6 4.b8=Q Kg6
14 29963 2317 68448800 t  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 Kh4 5.c8=Q a5 6.Qa6 Kg5 7.Qxa7 {EGTB} 7...Kf5! 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.Q
e6! Kg5 17.Kg3! Kh5 18.Kf4
14 29963 2334 68865260 .  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 Kh4 5.c8=Q a5 6.Qa6 Kg5 7.Qxa7 {EGTB} 7...Kf5! 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.Q
e6! Kg5 17.Kg3! Kh5 18.Kf4
15 29963 2359 69628088 t  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 Kh4 5.c8=Q a5 6.Qa6 Kg5 7.Qxa7 {EGTB} 7...Kf5! 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.Q
e6! Kg5 17.Kg3! Kh5 18.Kf4
15 29963 2395 70695437 .  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 Kh4 5.c8=Q a5 6.Qa6 Kg5 7.Qxa7 {EGTB} 7...Kf5! 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.Q
e6! Kg5 17.Kg3! Kh5 18.Kf4
16 29963 2439 71959240 t  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 Kh4 5.c8=Q a5 6.Qa6 Kg5 7.Qxa7 {EGTB} 7...Kf5! 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.Q
e6! Kg5 17.Kg3! Kh5 18.Kf4
16 29963 2515 74088193 .  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 Kh4 5.c8=Q a5 6.Qa6 Kg5 7.Qxa7 {EGTB} 7...Kf5! 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.Q
e6! Kg5 17.Kg3! Kh5 18.Kf4
17 29963 2691 79594612 t  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kg5 6.Qa6H Kf6H 7.Qxa7H {EGTB} 7...Kf5 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 1
6.Qe6! Kg5 17.Kg3! Kh5 18.
17 29963 2831 83680112 .  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kg5 6.Qa6 Kf6 7.Qxa7 {EGTB} 7...Kf5 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.Q
e6! Kg5 17.Kg3! Kh5 18.Kf4
18 29963 3024 89233078 t  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kg5 6.Qa6 Kf4 7.Qxa7 {EGTB} 7...Kf5 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.Q
e6! Kg5 17.Kg3! Kh5 18.Kf4
18 29963 3359 98584285 .  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kg5 6.Qa6 Kf4 7.Qxa7 {EGTB} 7...Kf5 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.Q
e6! Kg5 17.Kg3! Kh5 18.Kf4
19 29963 3688 108137646 t  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kg5 6.Qa6 Kf4 7.Qxa7 {EGTB} 7...Kf5 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.
Qe6! Kg5 17.Kg3! Kh5 18.Kf4
19 29963 4231 122663874 .  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kg5 6.Qa6 Kf4 7.Qxa7 {EGTB} 7...Kf5 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.
Qe6! Kg5 17.Kg3! Kh5 18.Kf4
20 29963 5318 147275779 t  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kg5 6.Qa6 Kf4 7.Qxa7 {EGTB} 7...Kf5 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.
Qe6! Kg5 17.Kg3! Kh5 18.Kf4
20 29963 6684 172333971 .  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kg5 6.Qa6 Kf4 7.Qxa7 {EGTB} 7...Kf5 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.
Qe6! Kg5 17.Kg3! Kh5 18.Kf4
21 29963 7913 205521156 t  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kg5 6.Qa6 Kf4 7.Qxa7 {EGTB} 7...Kf5 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.
Qe6! Kg5 17.Kg3! Kh5 18.Kf4
21 29963 9822 252011577 .  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kg5 6.Qa6 Kf4 7.Qxa7 {EGTB} 7...Kf5 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.
Qe6! Kg5 17.Kg3! Kh5 18.Kf4
22 29963 12938 315032642 t  1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kf4 6.Qa6 Kg5 7.Qxa7H {EGTB} 7...Kf5! 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5!
16.Qe6! Kg5 17.Kg3! Kh5 18.K
input: quit
22 29963 27469 317746838 u. 1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+ Kf4 6.Qa6 Kg5 7.Qxa7 {EGTB} 7...Kf5! 8.Qxb6 a4! 9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6 13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 1
6.Qe6! Kg5 17.Kg3! Kh5 18.Kf
 317746838  4:34.6  Mat19 22u. 1.b6 cxb6 2.a6 bxa6 3.c6 Kg4 4.c7 a5 5.c8=Q+
                               Kf4 6.Qa6 Kg5 7.Qxa7 {EGTB} 7...Kf5! 8.Qxb6 a4!
                               9.Qa6 a3 10.Qxa3 Ke5 11.Qd3 Ke6 12.Kh2 Kf6
                               13.Qe3 Kg6 14.Qe7 Kh6! 15.Kh3 Kh5! 16.Qe6! Kg5
                               17.Kg3! Kh5 18.Kf4! Kh4 19.Qh6# {1001}
317746838 Nodes, 2.34% Leavenodes, 1156718 Nodes/sec
32063879 eval, 97.99% score, 2235371736 genmoves, 0.31% captures le 429/251
ext: pawn 3533280, rcp 5958, chk 20, repchk 1872, null 23328, prune 698
htable: 85908896 store, 0 rejected, 309546885 probe, 84.0% f/p, 302.6% f/s
entries 21333333 age 1 renew 0
egtb probes 121745, found 66206 max_depth 36