What engine see the Queen Sacrifice of Caruana game vs Naka?

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

Moderators: bob, hgm, Harvey Williamson

Forum rules
This textbox is used to restore diagrams posted with the [d] tag before the upgrade.
User avatar
George
Posts: 682
Joined: Sun Oct 13, 2013 11:44 pm

What engine see the Queen Sacrifice of Caruana game vs Naka?

Post by George » Sat Dec 17, 2016 4:44 am

The real question is, what engine can see the sacrifice in less than 3 minutes using a regular PC, not a super pc with more than 2 processors etc......
http://en.chessbase.com/post/caruana-br ... -challenge

User avatar
velmarin
Posts: 1600
Joined: Mon Feb 21, 2011 8:48 am

Re: What engine see the Queen Sacrifice of Caruana game vs N

Post by velmarin » Sat Dec 17, 2016 4:57 am

[pgn]
[Event "London Chess Classic 2016"]
[Site "?"]
[Date "2016.12.15"]
[Round "6.3"]
[White "Caruana, Fabiano"]
[Black "Nakamura, Hikaru"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2823"]
[BlackElo "2779"]
[PlyCount "63"]
[EventDate "2016.??.??"]
[WhiteClock "0:20:08"]
[BlackClock "0:12:58"]

1. e4 {What a day it was! What more you could ask for? Well, today's round
featured one of those rare days where we have thrillers everywhere on the
chess board. Let me not scare you, and sum up some minor things. Well first,
we had a solid draw between Kramnik and Adams. Boo. Then we had Giri chase
Vishy's king but left with a draw. (He is an artist after all) Then we had
Aronian over pressing and losing against Maxime. Then we had Wesley demolish
Topalov's king. (As usual) And then well... this game. Let's keep it as
suspense. So that was the things which happened today. Mind blowing, right?
Even more so, when you see this game, the best of all, a Caruana-Nakamura duel.
..} c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 {The Najdorf! How we love to
see this opening. The reason is that it leads to "Sac,Sac,Mate!" Exactly what
happened today.} (5... g6 {has been little popular. Najdorf is all the rage
now.}) 6. Bg5 e6 7. f4 h6 (7... Nbd7 {is also a solid line.}) (7... Qb6 {
is possible directly also.}) 8. Bh4 Qb6 {The poison pawn! Now the question was,
is Caruana going to allow you know what?} 9. a3 $1 {No! He protects b2. But I
quite like this move. It is one of those little moves which make Fabiano an
absolute genius.} (9. Qd2 {leads to some Talk like lines.} Qxb2 10. Rb1 Qa3 11.
f5 $5 (11. Bxf6 gxf6 12. Be2 Nc6 13. Nxc6 bxc6 14. O-O $13 {The position
remains complicated.}) 11... Be7 12. fxe6 fxe6 13. Bc4 Nxe4 $1 $13 {I love
these lines!}) 9... Be7 10. Bf2 Qc7 11. Qf3 {The players are blitzing out
moves, and they are still following Giri-Vachier Lagrave.} Nbd7 12. O-O-O b5
13. g4 g5 {No fear!} 14. h4 gxf4 15. Be2 b4 $2 {The game's novelty but a late
one, and a bad one. You'll see.} (15... Ne5 $5 16. Qxf4 Nexg4 $1 17. Bxg4 e5
18. Nd5 $1 {as recommended by MVL.} (18. Qxf6 Bxf6 19. Nd5 Qd8 20. Nf5 {
is not as strong as in the game.}) 18... Nxd5 19. Qf3 Nf4 (19... Bxg4 20. Qxg4
Nf6 21. Qf3 {These are many lines which are complicated. What great lines!})
20. Bf5 $14) (15... d5 16. exd5 (16. g5 $5 Ne5 (16... Nxe4 $2 17. Nxe4 Ne5 18.
Qc3 Qxc3 19. Nxc3 $18) 17. Qg2 Bxa3 $1 18. Nxd5 Nxd5 19. exd5 Qc3 $3 20. bxa3
Qxa3+ 21. Kd2 Bb7 $13 {is one of those highly engine evaluated lines.}) 16...
Bb7 17. dxe6 $3 {Another queen sack!} Bxf3 18. exd7+ Kf8 (18... Qxd7 19. Bxf3
O-O-O $1 20. Nc6 $1 $18) 19. Bxf3 Rd8 20. g5 hxg5 21. hxg5 Rxh1 22. Rxh1 Ng8
23. g6 $1 $14 {with initiative.}) (15... Rg8 16. g5 $1 (16. Rdg1 {was played
by Giri and he lost.}) 16... hxg5 17. hxg5 Ne5 18. Qxf4 Nfd7 19. Rh5 $1 $14 {
with an advantage. Caruana had definitely prepared all this at home.}) 16. axb4
Ne5 17. Qxf4 Nexg4 18. Bxg4 e5 {We saw this sack in the direct Ne5 line also.
There White had chose Nd5 but here....} 19. Qxf6 $3 {What a move! Played in a
minute! Fabiano has it all worked out at home.} (19. Nd5 Nxd5 20. Qf3 Nxb4 $17
{this is the difference.}) 19... Bxf6 20. Nd5 Qd8 21. Nf5 $1 {This is a move
which I really love! Fabiano could have gone for} (21. Nc6 Bxg4 22. Nxd8 Bxd8
23. Rd2 {with a slightly better endgame, but he had nothing of that!}) 21...
Rb8 {35 mins think by Nakamura. As so often happens, it is a blunder. The only
move was} (21... Bxf5 $1 22. Bxf5 Rb8 23. c4 $16 {But when you go in deep
analysis and higher depth, you realize that it's almost impossible for a human
to defend this! We could simply say 15...b4 was a blunder.}) 22. Nxf6+
Qxf6 23. Rxd6 $2 {Caruana does a mistake but he still has a good advantage and
there is only one way in which Hikaru can defend.} Be6 24. Rhd1 $5 (24. Be3 {
I expected this.} Rxb4 25. Rxa6 Bxf5 26. Rxf6 Bxg4 $16 {You can not be sure
White will win.}) 24... O-O 25. h5 $3 {Not realized by the engines at all!
Caruana is playing so simple moves, it doesn't feel like he is a queen down!}
Qg5+ $4 {It wasn't clear what Hikaru was trying to do. He was totally shaken
up by the queen sack.} (25... Rxb4 $1 {the only way. Otherwise, Black is lost.}
26. Bh4 Bxf5 27. Bxf6 Bxg4 28. Re1 $16) (25... Rfe8 {is met with the brilliant}
26. Bh4 Qh8 27. c3 $3 {The engines don't understand my idea first, but slowly
they raise their evaluation!} (27. Ne7+ Rxe7 28. Bxe7 Bxg4 29. Rd8+ Rxd8 30.
Rxd8+ Kh7 (30... Kg7 31. Bf6+ $1 {is one to be aware of.}) 31. Rxh8+ Kxh8 $10 {
and this must be a draw.}) 27... Kh7 (27... Bxf5 28. Bxf5 Qg7 29. R6d3 $1 {
is the brilliant point. I was pleased to find this.}) 28. Ne3 $1 {is actually
winning! Some of the lines:} Qf8 (28... Rb7 29. Bf5+ $1 Bxf5 30. Nxf5 $18) 29.
Nd5 $1 Bxg4 30. Nf6+ Kh8 31. Nxg4 $18 {This is what makes chess so fun.
Wouldn't you be happy to play these games yourself?}) 26. Be3 {and Black has
to simply go back.} Qf6 (26... Qxg4 27. Nxh6+ Kh7 28. Nxg4 Bxg4 29. Rh6+ Kg7
30. Rg1 $18 {is a simple line.}) 27. Nxh6+ Kh8 28. Bf5 $1 {Simple yet strong
chess. No need to complicate with} (28. Nxf7+ $5 Rxf7 29. Bxe6 Qf3 $1 {and
Black has some chance!}) 28... Qe7 29. b5 (29. Nxf7+ $1 {now was to be
preferred.} Qxf7 30. Rxe6 $1 $18) 29... Qe8 30. Nxf7+ Rxf7 31. Rxe6 Qxb5 32.
Rh6+ {What a game! For the other games, here are the highlights: Nxf3!! in
Anand-Giri, F5!! in Veselin- Wesley, Rxd6!! in MVL- Levon} 1-0
[/pgn]

jdart
Posts: 3993
Joined: Fri Mar 10, 2006 4:23 am
Location: http://www.arasanchess.org

Re: What engine see the Queen Sacrifice of Caruana game vs N

Post by jdart » Sat Dec 17, 2016 2:23 pm

According to ChessBase (http://en.chessbase.com/post/a-master-c ... an-machine) the move that is really hard for engines to see is 21. Nf5:

[D] r1bqk2r/5p2/p2p1b1p/3Np3/1P1NP1BP/8/1PP2B2/2KR3R w kq -

(Houdini Tactical is said to be fast on this though.). Without this move the Queen sac looks maybe equal but after 21. Nf5, White is winning.

--Jon

Paloma
Posts: 970
Joined: Thu Dec 25, 2008 8:07 pm

Re: What engine see the Queen Sacrifice of Caruana game vs N

Post by Paloma » Sat Dec 17, 2016 3:24 pm

Game Kommentary and Variations on
http://en.chessbase.com/post/london-chess-classic-rd-6e

by Michal Krasenkow

Uri Blass
Posts: 8789
Joined: Wed Mar 08, 2006 11:37 pm
Location: Tel-Aviv Israel

Re: What engine see the Queen Sacrifice of Caruana game vs N

Post by Uri Blass » Sat Dec 17, 2016 5:28 pm

Paloma wrote:Game Kommentary and Variations on
http://en.chessbase.com/post/london-chess-classic-rd-6e

by Michal Krasenkow
I disagree with the comment that this position should be evaluated manually because stockfish can see that 21.Nf5 gives advantage for white and not equality(maybe not in the first few seconds but it is known that engines see more with more time and people who analyze seriously a position should give the engine more than few seconds).

Stockfish can see a big advantage for white after 21.Nf5

yanquis1972
Posts: 1766
Joined: Tue Jun 02, 2009 10:14 pm

Re: What engine see the Queen Sacrifice of Caruana game vs N

Post by yanquis1972 » Sat Dec 17, 2016 6:00 pm

then youre just arguing semantics; he's saying you'd either have to force Nf5 manually or wait 5-10 minutes for SF to see it.

Dann Corbit
Posts: 11510
Joined: Wed Mar 08, 2006 7:57 pm
Location: Redmond, WA USA
Contact:

Re: What engine see the Queen Sacrifice of Caruana game vs N

Post by Dann Corbit » Sun Dec 18, 2016 3:53 am

yanquis1972 wrote:then youre just arguing semantics; he's saying you'd either have to force Nf5 manually or wait 5-10 minutes for SF to see it.
Ten minutes on a slow machine to find it:

Searching: r1bqk2r/5p2/p2p1b1p/3Np3/1P1NP1BP/8/1PP2B2/2KR3R w kq - 0 1
infinite: 0 ponder: 0 time: 0 increment: 0 moves to go: 0

1 -0.60 00:00 105 Nc6
2 +0.48 00:00 158 Nc6 Bxg4 Nxd8
3 +0.32 00:00 215 Nc6 Bxg4 Nxd8
4 +0.54 00:00 276 Nc6 Bxg4 Nxd8 Bxd8
5 +0.60 00:00 364 Nc6 Bxg4 Nxd8 Bxd8 Rd3 Be6
6 +0.42 00:00 525 Nc6 Bxg4 Nxd8 Bxd8 Rd3 f5
7 +0.55 00:00 654 Nc6 Bxg4 Nxd8 Bxd8 Rd2 Rb8 c3
8 +0.40 00:00 933 Nc6 Bxg4 Nxd8 Bxd8 Rd2 Rc8 Rg1 Be6 Nc3
9 +0.54 00:00 1231 Nc6 Bxg4 Nxd8 Bxd8 Rd2 Rc8 Rg1 Be6 Ne3 Kd7
10 +0.40 00:00 2294 Nc6 Bxg4 Nxd8 Bxd8 Rd3 f5 Rg1 fxe4 Rd2 Be6 Nc3 d5 Nxd5
11 +0.50 00:00 2913 Nc6 Bxg4 Nxd8 Bxd8 Rd3 f5 Rg1 fxe4 Rd2 Be6 Nc3 e3 Bxe3
12 +0.64 00:00 5251 Nc6 Bxg4 Nxd8 Bxd8 Rd3 f5 Rg1 fxe4 Rd2 Be6 Nc3 d5 Nxd5 Rb8 c3
13 +0.52 00:00 9367 Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Ra3 Rc4 Bb6 Bc8 Bxd8 Kxd8 Re1 Rd4 b3
14 +0.40 00:00 22852 Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be6 Ne3 Kd7 Ra3 Rc6 c3 h5 Kc2 Rh6 Nd5
15 +0.31 00:00 66456 Nc6 Bxg4 Nxd8 Bxd8 Rd2 Rc8 Rg1 Bf3 Nc3 Be7 Rd3 Bh5 b5 axb5 Nxb5 Bg6 Nxd6+ Bxd6 Rxd6
16 +0.38 00:00 141720 Nc6 Bxg4 Nxd8 Bxd8 Rd2 Rc8 Rg1 Bf3 Nc3 Be7 Rd3 Bh5 Rd5 Bg6 Ra5 Rc6 Rd1 Rf8
17 +0.33 00:00 147101 Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be2 Re3 Bb5 b3 Rb8 Kb2 Bc6 Rd3 Kf8 Ra1 Rg8 Rxa6 Bb5 Rxd6 Bxd3 cxd3
18 +0.46 00:00 220429 Nc6 Bxg4 Nxd8 Bxd8 Rd3 f5 Rg1 fxe4 Rd2 Be6 Nc3 Be7 Nxe4 d5 Nc5 Bf7 Re1 e4 c4 O-O-O Nxa6 dxc4
19 +0.52 00:01 441729 Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be2 Re3 Bb5 b3 Rb8 Kb2 Bc6 Rd3 Bxd5 Rxd5 Rxb4 Rxd6 Rxe4 Rxa6 Rf4 Bc5
20 +0.27 00:02 1200K Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be6 Ne3 Kd7 Ra3 Rc6 Kd2 Bb6 Rg7 Bxe3+ Rxe3 h5 c3 Rc4 Kd3 Rh6
21 +0.20 00:02 1745K Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be6 Ne3 Kd7 Ra3 Rc6 Kd2 Bb6 c3 d5 Ng4 Bxg4 Bxb6 Rxb6 Rxg4 dxe4 Rxe4 Rd6+ Kc2
22 +0.25 00:04 2178K Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be6 Ra3 Rc6 h5 Bg5+ Be3 Bxd5 exd5 Bxe3+ Rxe3 Rb6 Rc3 Kd7 Rf3 Rf8 c3 Ke7 Kc2 Rb5 Ra1 Ra8
23 +0.12 00:06 3092K Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be6 Ra3 Rc6 h5 Bg5+ Be3 Bxd5 exd5 Bxe3+ Rxe3 Rb6 Ra3 Rxb4 Rxa6 Ke7 c3 Rf4 Kd2 Rf3 Ra7+ Kf6 Rd7 e4 Re1 Rf2+ Ke3 Rxb2
24 +0.22 00:06 3324K Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be6 Ra3 Rc6 h5 Kd7 Be3 f5 b5 axb5 Rg6 Bxd5 exd5 Rc7 Ra6 Be7 Rg7 Rb8 Bxh6 f4 c3
25 +0.19 00:07 3646K Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be6 Ra3 Rc6 h5 Kd7 Be3 f5 b5 axb5 Ra7+ Ke8 Rg6 Bc8 Bxh6 f4 b3 Ra6 Rxa6 Bxa6 Rxd6 Bc8 Kb1 Kf7 Rc6
26 +0.25 00:12 7072K Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be6 Ra3 Rc6 h5 Bg5+ Be3 Bxd5 exd5 Bxe3+ Rxe3 Rb6 Rg4 Ke7 Ra3 Rb5 Rxa6 Rxd5 Ra7+ Kf6 Rg2 Ke6 Rg7 e4 Rgxf7 Re8 Rg7 Rxh5
27 +0.13 00:24 14775K Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be6 Ne3 Kd7 Ra3 Rc6 c3 h5 Kd2 Rh6 Ke2 Rf6 Nd5 Rg6 Rxg6 fxg6 Kd3 g5 hxg5 Bxg5 Ra1 h4 Rg1 Bd8 Rg6 Rc8 Rh6 h3 Be3 Rb8 Ke2 Bxd5 exd5
28 +0.13 00:31 18897K Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be6 Ne3 Rc6 b3 h5 c4 Rh6 Rg8+ Ke7 Nd5+ Kd7 b5 axb5 Nb4 bxc4 Nxc6 Kxc6 bxc4 Bc7 Ra3 Rf6 Be3 Rf1+ Kd2 Rh1 Ra6+ Kb7 Ra7+ Kc6 Kd3 Rh3 Ra6+ Kb7 Ra1 Kc6
29 +0.21 00:32 19676K Nc6 Bxg4 Nxd8 Bxd8 Rd3 Rc8 Rg1 Be6 Ne3 Kd7 Ra3 Rc6 c3 Bb6 Kd2 d5 exd5 Bxd5 Rga1 Bxe3+ Bxe3 f5 Rxa6 f4 Bc5 Bc4 Ra7+ Rc7 Rxc7+ Kxc7 Ke1 Rg8 Kf2 e4 Ra7+ Kc6 Rh7 e3+ Kf3 Bd5+ Kxf4 e2
30 +0.12 01:41 56483K Nc6 Bxg4 Nxd8 Bxd8 Rd2 Rc8 b3 Rc6 c4 Rg8 Kb2 Bf3 Re1 Rg4 Nc3 Rg2 Re3 Bg4 Red3 Be6 c5 Be7 Nd5 Bxd5 Rxd5 dxc5 bxc5 Bxc5 Bxc5 Rxd2+ Rxd2 Rxc5 Rd6 h5 Rxa6
31 +0.09 01:58 65501K Nc6 Bxg4 Nxd8 Bxd8 Rd2 Rc8 Rg1 h5 Ne3 Be7 Nxg4 hxg4 b3 Rg8 c4 Rb8 Kc2 Rxb4 Be1 Kd7 Rdg2 Rbb8 Rxg4 Rxg4 Rxg4 Rh8 Kd3 Bd8 Bf2 Kc6 b4 Bf6 Kc3 Rh6 Kc2 Rh8 Kb3 Kb7 b5 axb5 cxb5
32 +0.15 02:16 74693K Nc6 Bxg4 Nxd8 Bxd8 Rd2 Rc8 Rg1 h5 Ne3 Be7 Nxg4 hxg4 b3 Rg8 c4 Rb8 Ra2 Rxb4 Kc2 Kd7 Rxa6 Rb7 h5 Rgb8 Ra7 Rxa7 Bxa7 Rh8 Rxg4 Rxh5 b4 Rh2+ Kb3 Rh3+ Ka4 Rc3 Kb5 Rf3 Bb6 Rf4 Rxf4 exf4
33 +0.08 03:19 108244K Nc6 Bxg4 Nxd8 Bxd8 Rd2 Rc8 b3 Bf3 Re1 Rg8 c4 h5 Rd3 Bg2 Ne3 Rg6 Nf5 Bc7 Ng3 Bd8 Rg1 Bh3 Nxh5 Bg4 Ng3 Bxh4 Kc2 Be6 Rh1 Be7 Be1 Rg4 Bd2 Kd7 Bc3 Kc7 Ra1 Kb7 Nf5 Bxf5 exf5 Rg2+ Rd2
34 +0.03 05:15 166004K Nc6 Bxg4 Nxd8 Bxd8 Rd3 f5 Rg1 fxe4 Rd2 h5 Ne3 Be7 Nxg4 hxg4 Rxg4 Kf7 Rxe4 Ke6 Rde2 Rag8 Kd2 Rg2 c4 Rh2 Bg3 Rxe2+ Kxe2 Rb8 Be1 Rg8 b3 d5 cxd5+ Kxd5 Kf3 Rg1 Bc3 Rf1+ Ke3 Bd6 Rg4 Be7 Kd3 Rf3+ Kc2
35 +0.00 07:15 218281K Nc6 Bxg4 Nxd8 Bxd8 Rd3 f5 Ne3 Bf3 Rg1 Bxe4 Rxd6 Be7 Rb6 Bd8 Rd6
36 +0.41 10:23 300227K Nf5 Bxf5 Bxf5 Rb8 Rd3 Rb5 c4 Rxd5 Rxd5 Qb8 c5 Be7 Kb1 Qxb4 cxd6 Bxd6 Rhd1 Be7 Rxe5 f6 Bc5 Qxc5 Bg6+ Kf8 Rxc5 Bxc5 Rd7 h5 Rd8+ Kg7 Rxh8 Kxh8 Bxh5 Kg7 Be2 Kg6 h5+ Kg5 Kc2 Bd4 b3 f5 exf5 Kxf5 Kd3 Bf2 Kc3 Kg5 Kc4 Bg3 Kc5 Bf2+ Kd6 Be1 Kd5 Bb4
37 +0.41 11:23 325281K Nf5 Bxf5 Bxf5 Rb8 Rd3 Rb5 c4 Rxd5 Rxd5 Qb8 c5 Be7 Kb1 Qxb4 cxd6 Bxd6 Rhd1 Be7 Rxe5 f6 Bc5 Qxc5 Bg6+ Kf8 Rxc5 Bxc5 Rd7 h5 Rd8+ Kg7 Rxh8 Kxh8 Bxh5 Kg7 Be2 Kg6 Kc2 Bd4 b3 f5 exf5+ Kxf5 Kd3 Bf2 h5 Kg5 Kc4 Bg3 Kc5 Bf2+ Kd6 Bg3+ Kd5 Be1
Nodes: 325281390
Nodes/second: 475865
Best move: Nf5
Ponder move: Bxf5
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.

kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 3:19 pm

Re: What engine see the Queen Sacrifice of Caruana game vs N

Post by kgburcham » Sun Dec 18, 2016 7:02 pm

yanquis1972 wrote:then youre just arguing semantics; he's saying you'd either have to force Nf5 manually or wait 5-10 minutes for SF to see it.
[D] r1bqk2r/5p2/p2p1b1p/3Np3/1P1NP1BP/8/1PP2B2/2KR3R w kq -

Engine: Stockfish 171216 64 BMI2 (8192 MB)
by T. Romstad, M. Costalba, J. Kiiski, G.

33/54 0:48 +0.14++ 1.Nc6 (754.393.222) 15677
33/54 0:59 +0.21++ 1.Nc6 (941.428.672) 15771
33/56 1:00 +0.14-- 1.Nc6 Bxg4 (957.018.177) 15783
33/56 1:16 +0.23++ 1.Nf5 (1.210.488.620) 15846
33/56 1:18 +0.44++ 1.Nf5 (1.249.941.165) 15857
33/57 1:27 +0.72++ 1.Nf5 (1.388.713.188) 15894
33/59 1:32 +0.50-- 1.Nf5 Bxf5 (1.479.270.643) 15937
33/59 1:41 +0.72 1.Nf5 Bxf5 2.Bxf5 Rb8 3.Rd3 Rb5 4.c4 Rxd5 5.Rxd5 Qb8 6.c5 Be7 7.Rhd1 dxc5 8.bxc5 O-O 9.Rd7 Qb5 10.Rxe7 Rb8 11.Rd2 Qf1+ 12.Kc2 Qa1 13.Red7 Rxb2+ 14.Kd3 (1.627.724.305) 15994
34/63 1:46 +0.80++ 1.Nf5 (1.703.177.342) 16022
34/72 1:49 +0.72-- 1.Nf5 Bxf5 (1.751.933.254) 16049
34/72 1:49 +0.80++ 1.Nf5 (1.760.836.983) 16052
34/72 1:55 +0.85 1.Nf5 Bxf5 2.Bxf5 Rb8 3.Rd3 Bg7 4.h5 Rb5 5.Kb1 Rxd5 6.Rxd5 Qb8 7.Bh4 Bf8 8.Rd3 Be7 9.Rc3 Bxh4 10.Rc8+ Qxc8 11.Bxc8 Bd8 12.Bxa6 Rg8 13.Bb5+ Ke7 14.Bc6 (1.850.647.416) 16080
35/72 2:01 +0.92++ 1.Nf5 (1.964.072.350) 16111
35/72 2:05 +0.87 1.Nf5 Bxf5 2.Bxf5 Rb8 3.Rd3 Bg7 4.h5 Rb5 5.Kb1 Rxd5 6.Rxd5 Qb8 7.Bh4 Bf8 8.Rd3 Be7 9.Rc3 Bxh4 10.Rc8+ Qxc8 11.Bxc8 Bd8 12.Bxa6 Rg8 13.Bb5+ Ke7 14.c3 (2.021.719.050) 16126
36/72 2:08 +0.94++ 1.Nf5 (2.071.112.517) 16144
36/72 2:13 +0.97 1.Nf5 Bxf5 2.Bxf5 Rb8 3.Rd3 Bg7 4.h5 Rb5 5.Kb1 Rxd5 6.Rxd5 Qb8 7.Bh4 Bf8 8.Rd3 Be7 9.Rc3 Bxh4 10.Rc8+ Qxc8 11.Bxc8 Bd8 12.Bxa6 Rg8 13.Bb5+ Ke7 14.c3 (2.151.463.133) 16161
37/72 2:25 +0.95 1.Nf5 Bxf5 2.Bxf5 Rb8 3.Rd3 Bg7 4.h5 Rb5 5.Kb1 Rxd5 6.Rxd5 Qb8 7.Bh4 Bf8 8.Rd3 Be7 9.Rc3 Bxh4 10.Rc8+ Qxc8 11.Bxc8 Bd8 12.Bxa6 Rg8 13.c3 Rg5 14.Kc2 (2.355.860.391) 16231
38/72 2:35 +1.02++ 1.Nf5 (2.532.167.565) 16264
38/72 2:48 +1.10++ 1.Nf5 (2.744.143.581) 16305
38/72 2:50 +1.02-- 1.Nf5 Bxf5 (2.783.395.751) 16314
38/72 2:50 +0.87-- 1.Nf5 Bxf5 (2.788.392.678) 16315
38/72 2:51 +0.99++ 1.Nf5 (2.804.899.549) 16317
38/72 2:55 +0.83-- 1.Nf5 Bxf5 (2.871.733.444) 16327
38/72 3:14 +0.60 1.Nf5 Bxf5 2.Bxf5 Rb8 3.Rd3 Rb5 4.c4 Rxd5 5.Rxd5 Qb8 6.c5 Be7 7.Rhd1 dxc5 8.bxc5 O-O 9.Rd7 Qb5 10.Rxe7 Rb8 11.Rd2 Qf1+ 12.Kc2 Qa1 13.Red7 Rxb2+ 14.Kd3 (3.189.132.092) 16375
39/72 3:22 +0.67++ 1.Nf5 (3.321.042.241) 16400
39/72 3:27 +0.75++ 1.Nf5 (3.397.217.168) 16408
39/72 3:31 +0.85++ 1.Nf5 (3.473.809.896) 16421
39/72 3:34 +1.01++ 1.Nf5 (3.521.715.048) 16436
no chess program was born totally from one mind. all chess programs have many ideas from many minds.

kgburcham
Posts: 2016
Joined: Sun Feb 17, 2008 3:19 pm

Re: What engine see the Queen Sacrifice of Caruana game vs N

Post by kgburcham » Sun Dec 18, 2016 8:08 pm

Engine: Stockfish 171216 64 BMI2 (8192 MB)
by T. Romstad, M. Costalba, J. Kiiski, G.

[D] r1bqk2r/5p2/p2p1b1p/3Np3/1P1NP1BP/8/1PP2B2/2KR3R w kq -

33/54 0:48 +0.14++ 1.Nc6 (754.393.222) 15677
33/54 0:59 +0.21++ 1.Nc6 (941.428.672) 15771
33/56 1:00 +0.14-- 1.Nc6 Bxg4 (957.018.177) 15783
33/56 1:16 +0.23++ 1.Nf5 (1.210.488.620) 15846
33/56 1:18 +0.44++ 1.Nf5 (1.249.941.165) 15857
33/57 1:27 +0.72++ 1.Nf5 (1.388.713.188) 15894


Stockfish finds Nf5 in 5 minutes from this position

[D] r1b1k2r/2q1bp2/p2p1n1p/4p3/1P1NPQBP/2N5/1PP2B2/2KR3R w kq -

41/60 4:08 0.00 19.Qxf6 Bxf6 20.Nd5 Qd8 21.Nc6 Bxg4 22.Nxd8 Bxd8 23.Rd2 Rc8 24.b3 Bf3 25.Re1 h5 26.Ne3 Be7 27.Nf5 Rc6 28.c4 Rg8 29.Rd3 Bg4 30.Rg3 Rf8 31.Nxe7 Kxe7 32.Be3 (3.938.658.533) 15823
42/60 5:12 +0.07++ 19.Qxf6 (4.964.993.884) 15902
42/60 5:12 +0.14++ 19.Qxf6 (4.973.969.268) 15903
42/60 5:16 +0.25++ 19.Qxf6 (5.038.648.051) 15909
42/60 5:23 +0.40++ 19.Qxf6 (5.141.703.640) 15915
42/60 5:56 +0.61++ 19.Qxf6 (5.682.078.963) 15956



Stockfish finds Nf5 from this position playing this line, 30 seconds per move leading up to 21. Nf5
19. Qxf6 Bxf6 20. Nd5 Qd8 21. Nf5

[D] r1b1k2r/2q1bp2/p2p1n1p/4p3/1P1NPQBP/2N5/1PP2B2/2KR3R w kq -


30/37 0:01 0.00 21.Nc6 Bxg4 22.Nxd8 Bxd8 23.Rd2 Rc8 24.Rf1 h5 25.b3 Rg8 26.Kb2 Rg6 27.c4 Be6 28.Ne3 Rc6 29.Rc1 Rf6 30.Nd5 Rg6 31.Ne3 (24.502.301) 16345
31/37 0:01 0.00 21.Nc6 Bxg4 22.Nxd8 Bxd8 23.Rd2 Rc8 24.Rf1 h5 25.b3 Rg8 26.Kb2 Rg6 27.c4 Be6 28.Ne3 Rc6 29.Rc1 Rf6 30.Nd5 Rg6 31.Ne3 (31.878.506) 16297
32/37 0:02 0.00 21.Nc6 Bxg4 22.Nxd8 Bxd8 23.Rd2 Rc8 24.Rf1 h5 25.b3 Rg8 26.Kb2 Rg6 27.c4 Be6 28.Ne3 Rc6 29.Rc1 Rf6 30.Nd5 Rg6 31.Ne3 (39.374.365) 16210
33/45 0:05 0.00 21.Nc6 Bxg4 22.Nxd8 Bxd8 23.Rd2 Rc8 24.Rf1 h5 25.b3 Rg8 26.Kb2 Rg6 27.c4 Be6 28.Ne3 Rc6 29.Rc1 Rf6 30.Nd5 Rg6 31.Ne3 (91.749.930) 16006
34/48 0:08 0.00 21.Nc6 Bxg4 22.Nxd8 Bxd8 23.Rd2 Rc8 24.Rf1 h5 25.b3 Rg8 26.Kb2 Rg6 27.c4 Be6 28.Ne3 Rc6 29.Rc1 Rf6 30.Nd5 Rg6 31.Ne3 (143.681.480) 16064
35/48 0:10 0.00 21.Nc6 Bxg4 22.Nxd8 Bxd8 23.Rd2 Rc8 24.Rf1 h5 25.b3 Rg8 26.Kb2 Rg6 27.c4 Be6 28.Ne3 Rc6 29.Rc1 Rf6 30.Nd5 Rg6 31.Ne3 (170.416.523) 16048
36/48 0:20 0.00 21.Nc6 Bxg4 22.Nxd8 Bxd8 23.Rd2 Rc8 24.Rf1 h5 25.b3 Rh6 26.Kb2 Rg6 27.c4 Be6 28.Ne3 Rc6 29.Rc1 Rf6 30.Nd5 Rg6 31.Ne3 (337.267.937) 16114
37/50 0:32 0.00 21.Nc6 Bxg4 22.Nxd8 Bxd8 23.Rd2 Rc8 24.Rf1 h5 25.b3 Rg8 26.Kb2 Rg6 27.c4 Be6 28.Ne3 Rc6 29.Rc1 Bb6 30.Nd5 Bd8 31.Ne3 (520.606.710) 16202
38/57 0:49 +0.07++ 21.Nf5 (808.555.764) 16252
38/57 0:59 +0.14++ 21.Nf5 (974.114.728) 16286


[Event "London Chess Classic 2016"]
[Site "?"]
[Date "2016.12.15"]
[Round "6.3"]
[White "Caruana, Fabiano"]
[Black "Nakamura, Hikaru"]
[WhiteElo "2823"]
[BlackElo "2779"]
[ECO "B96"]
[Result "1-0"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5
e6 7. f4 h6 8. Bh4 Qb6 9. a3 Be7 10. Bf2 Qc7 11. Qf3 Nbd7
12. O-O-O b5 13. g4 g5 14. h4 gxf4 15. Be2 b4 16. axb4 Ne5
17. Qxf4 Nexg4 18. Bxg4 e5 19. Qxf6 Bxf6 20. Nd5 Qd8
21. Nf5 Rb8 22. Nxf6+ Qxf6 23. Rxd6 Be6 24. Rhd1 O-O 25. h5
Qg5+ 26. Be3 Qf6 27. Nxh6+ Kh8 28. Bf5 Qe7 29. b5 Qe8
30. Nxf7+ Rxf7 31. Rxe6 Qxb5 32. Rh6+ 1-0
no chess program was born totally from one mind. all chess programs have many ideas from many minds.

User avatar
MikeB
Posts: 4360
Joined: Thu Mar 09, 2006 5:34 am
Location: Pen Argyl, Pennsylvania

Re: What engine see the Queen Sacrifice of Caruana game vs N

Post by MikeB » Mon Dec 19, 2016 12:49 am

George wrote:The real question is, what engine can see the sacrifice in less than 3 minutes using a regular PC, not a super pc with more than 2 processors etc......
http://en.chessbase.com/post/caruana-br ... -challenge
Soon to be released Aristides ( based on cFish based on Stockfish yada yada), single core less than a second

Code: Select all

Aristides v1.0a 64 POPCNT by burnzie based on Cfish/Stockfish
position fen r1b1k2r/2q1bp2/p2p1n1p/4p3/1P1NPQBP/2N5/1PP2B2/2KR3R w kq - 0 1
setoption name Hash value 512
position fen r1b1k2r/2q1bp2/p2p1n1p/4p3/1P1NPQBP/2N5/1PP2B2/2KR3R w kq - 0 1
go movetime 300000    
info depth 1 seldepth 1 multipv 1 score cp 535 nodes 168 nps 84000 tbhits 0 time 2 pv c3d5 e5f4
info depth 2 seldepth 2 multipv 1 score cp 535 nodes 230 nps 115000 tbhits 0 time 2 pv c3d5 e5f4
info depth 3 seldepth 4 multipv 1 score cp 535 nodes 295 nps 147500 tbhits 0 time 2 pv c3d5 e5f4 d5c7 e8f8
info depth 4 seldepth 5 multipv 1 score cp 469 nodes 371 nps 185500 tbhits 0 time 2 pv c3d5 e5f4 d5c7 e8f8 c7a8 c8g4
info depth 5 seldepth 7 multipv 1 score cp 125 nodes 1214 nps 404666 tbhits 0 time 3 pv d4b5 a6b5 c3b5 a8a1 c1d2 a1d1 h1d1 e5f4
info depth 6 seldepth 8 multipv 1 score cp 125 nodes 1487 nps 371750 tbhits 0 time 4 pv d4b5 a6b5 c3b5 a8a1 c1d2 a1d1 h1d1 e5f4
info depth 7 seldepth 10 multipv 1 score cp 125 nodes 1850 nps 370000 tbhits 0 time 5 pv d4b5 a6b5 c3b5 a8a1 c1d2 a1d1 h1d1 e5f4 b5c7 e8d8
info depth 8 seldepth 12 multipv 1 score cp 14 nodes 6303 nps 450214 tbhits 0 time 14 pv f4g3 c8g4 d4f5 e7f8 g3d3 g4d1 h1d1 f6g4
info depth 9 seldepth 13 multipv 1 score cp 15 nodes 9626 nps 418521 tbhits 0 time 23 pv f4g3 c8g4 d4f5 g4d1 h1d1 e7f8 f5g7 e8d8 g3e5 f8g7
info depth 10 seldepth 15 multipv 1 score cp 34 nodes 24020 nps 400333 tbhits 0 time 60 pv f4d2 c8g4 d4f5 g4d1 h1d1 e7f8 f2e3 a8b8 f5d6 c7d6 d2d6 f8d6
info depth 11 seldepth 18 multipv 1 score cp 1 nodes 37236 nps 428000 tbhits 0 time 87 pv f4d2 c8g4 d4f5 g4d1 h1d1 e7f8 f5d6 c7d6 d2d6 f8d6 d1d6 f6g4 f2c5 e8f8 c3b1
info depth 12 seldepth 20 multipv 1 score cp 16 nodes 63154 nps 444746 tbhits 0 time 142 pv f4d2 e5d4 c3d5 f6d5 g4c8 d4d3 e4d5 d3c2 d2c2 a8c8 c2c7 c8c7 c1b1 e7f6 f2g3 e8e7
info depth 13 seldepth 23 multipv 1 score cp 21 nodes 124467 nps 480567 tbhits 0 time 259 pv f4d2 c8g4 d4f5 g4f5 e4f5 c7c4 c3d5 f6d5 d2d5 c4d5 d1d5 e8d7 h1d1 h8b8 f5f6
info depth 14 seldepth 26 multipv 1 score cp 58 nodes 169772 nps 512906 tbhits 0 time 331 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 g4e6 h1g1 a8b8 c2c3 e8f8 d5e3 d8e7 e3f5 e6f5
info depth 15 seldepth 26 multipv 1 score cp 32 nodes 252209 nps 577137 tbhits 0 time 437 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 g4e2 d3g3 e2c4 d5e3 c4e6 h1g1 d8b6 g3f3 e8e7 e3f5 e6f5 f3f5 b6f2 f5f2
info depth 16 seldepth 28 multipv 1 score cp 45 nodes 384402 nps 667364 tbhits 0 time 576 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 g4e6 h1g1 a8b8 c2c3 a6a5 b4a5 d8a5 c1c2 e8d7 g1a1 a5d8
info depth 17 seldepth 29 multipv 1 score cp 31 nodes 578907 nps 789777 tbhits 0 time 733 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d2 a8c8 h1g1 g4f3 d5c3 d8e7 d2d3 f3h5 b4b5 a6b5 c3b5 h5g6 b5d6 e7d6 d3d6 g6e4
info depth 18 seldepth 30 multipv 1 score cp 55 nodes 722671 nps 862375 tbhits 0 time 838 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d2 a8b8 h1g1 g4d7 c2c3 d7c6 c1c2 a6a5 b4a5 d8a5 b2b4 a5d8 c2b2 c6b5
info depth 19 seldepth 31 multipv 1 score cp 39 nodes 1294186 nps 1070459 hashfull 11 tbhits 0 time 1209 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d2 g4e6 h1g1 a8c8 b2b3 e8f8 c1b2 h8g8 g1g8 f8g8 c2c4 g8h7 d5e3 d8e7 b2c3 h7g7 e3f5 e6f5 e4f5
info depth 20 seldepth 36 multipv 1 score cp 14 nodes 2824714 nps 1318727 hashfull 29 tbhits 0 time 2142 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d2 a8c8 c2c3 c8c6 h1g1 h6h5 d5e3 g4f3 e3f5 d8e7 g1e1 h8g8 d2d3 f3g4 e1g1 g8g6 f5e7 e8e7 c1c2 c6c4
info depth 21 seldepth 36 multipv 1 score cp 29 nodes 4206442 nps 1405426 hashfull 56 tbhits 0 time 2993 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 a8c8 h1g1 g4e6 d5e3 e8d7 d3a3 c8c6 c2c3 d8b6 c1d2 d7c7 d2d3 c7b7 h4h5 h8b8 a3a1 b8a8 d3c2
info depth 22 seldepth 38 multipv 1 score cp 22 upperbound nodes 4975956 nps 1440635 hashfull 68 tbhits 0 time 3454 pv f4f6 e7f6
info depth 22 seldepth 38 multipv 1 score cp 14 upperbound nodes 5676465 nps 1462252 hashfull 85 tbhits 0 time 3882 pv f4f6 e7f6
info depth 22 seldepth 38 multipv 1 score cp 22 lowerbound nodes 5933676 nps 1471280 hashfull 90 tbhits 0 time 4033 pv f4f6
info depth 22 seldepth 38 multipv 1 score cp 24 nodes 5980945 nps 1473139 hashfull 91 tbhits 0 time 4060 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 a8c8 h1g1 g4e6 d5e3 c8c6 b2b3 d8b6 c2c4 e8d7 d3d2 b6e3 f2e3 e6c4 b3c4 c6c4 d2c2 c4e4 e3d2 e4h4
info depth 23 seldepth 38 multipv 1 score cp 16 upperbound nodes 6956120 nps 1495296 hashfull 104 tbhits 0 time 4652 pv f4f6 e7f6
info depth 23 seldepth 38 multipv 1 score cp 9 upperbound nodes 7710738 nps 1513393 hashfull 113 tbhits 0 time 5095 pv f4f6 e7f6
info depth 23 seldepth 41 multipv 1 score cp 16 lowerbound nodes 7930351 nps 1519224 hashfull 119 tbhits 0 time 5220 pv f4f6
info depth 23 seldepth 41 multipv 1 score cp 20 nodes 7976649 nps 1520520 hashfull 119 tbhits 0 time 5246 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 a8c8 h1g1 g4e6 d5e3 c8c6 b2b3 d8b6 c2c4 b6d4 g1g2 c6c8 e3d5 e6d5 e4d5 d4f2 g2f2 c8b8 f2a2
info depth 24 seldepth 41 multipv 1 score cp 22 nodes 9208383 nps 1546587 hashfull 138 tbhits 0 time 5954 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 a8c8 h1g1 g4e6 d5e3 c8c6 b2b3 d8b6 c2c4 b6d4 g1g2 c6c8 e3c2 d4f2 g2f2 e8e7 c1b2 h8g8 f2d2 c8d8 c2e3 g8g1 b2c3 g1h1
info depth 25 seldepth 41 multipv 1 score cp 30 lowerbound nodes 10274663 nps 1562686 hashfull 146 tbhits 0 time 6575 pv f4f6
info depth 25 seldepth 41 multipv 1 score cp 22 upperbound nodes 10706811 nps 1564408 hashfull 156 tbhits 0 time 6844 pv f4f6 e7f6
info depth 25 seldepth 41 multipv 1 score cp 30 lowerbound nodes 10716866 nps 1564505 hashfull 156 tbhits 0 time 6850 pv f4f6
info depth 25 seldepth 41 multipv 1 score cp 24 nodes 10907092 nps 1565536 hashfull 159 tbhits 0 time 6967 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 a8c8 h1g1 g4e6 d5e3 c8c6 b2b3 d8b6 c2c4 b6d4 g1g2 c6c8 e3c2 d4f2 g2f2 e8e7 c1b2 c8b8 b2c3 h8g8 f2d2 b8b6 c2e3 g8g1 e3d5 e6d5 d3d5 g1g3 d5d3
info depth 26 seldepth 44 multipv 1 score cp 31 lowerbound nodes 11542106 nps 1576144 hashfull 165 tbhits 0 time 7323 pv f4f6
info depth 26 seldepth 44 multipv 1 score cp 39 lowerbound nodes 11736038 nps 1579334 hashfull 167 tbhits 0 time 7431 pv f4f6
info depth 26 seldepth 44 multipv 1 score cp 31 upperbound nodes 14276968 nps 1590394 hashfull 202 tbhits 0 time 8977 pv f4f6 e7f6
info depth 26 seldepth 44 multipv 1 score cp 40 nodes 15952390 nps 1604706 hashfull 228 tbhits 0 time 9941 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 a8c8 h1g1 g4e6 d5e3 e8d7 d3a3 c8c6 c1d2 d8c7 d2d3 h8b8 a3a4 c7b6 c2c3 a6a5 b4a5 b6e3 f2e3 b8b2 a4b4 b2h2 g1g8 c6a6
info depth 27 seldepth 46 multipv 1 score cp 33 upperbound nodes 20029253 nps 1625355 hashfull 285 tbhits 0 time 12323 pv f4f6 e7f6
info depth 27 seldepth 46 multipv 1 score cp 25 upperbound nodes 22412331 nps 1633909 hashfull 323 tbhits 0 time 13717 pv f4f6 e7f6
info depth 27 seldepth 48 multipv 1 score cp 33 lowerbound nodes 23733490 nps 1640299 hashfull 347 tbhits 0 time 14469 pv f4f6
info depth 27 seldepth 48 multipv 1 score cp 36 nodes 24588313 nps 1642725 hashfull 356 tbhits 0 time 14968 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 a8c8 h1g1 g4e6 d3a3 c8c6 h4h5 d8g5 f2e3 e6d5 e4d5 g5e3 a3e3 c6b6 e3c3 e8d7 c3f3 h8f8 c2c3 b6b5 g1g7 d7e7 g7h7 b5d5 h7h6 a6a5 b4a5 d5a5 h6f6 a5a7 c1c2
info depth 28 seldepth 52 multipv 1 score cp 29 upperbound nodes 29037062 nps 1649177 hashfull 401 tbhits 0 time 17607 pv f4f6 e7f6
info depth 28 seldepth 52 multipv 1 score cp 21 upperbound nodes 34303212 nps 1652927 hashfull 466 tbhits 0 time 20753 pv f4f6 e7f6
info depth 28 seldepth 52 multipv 1 score cp 19 nodes 37906370 nps 1652701 hashfull 505 tbhits 0 time 22936 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 a8c8 h1g1 g4e6 d3a3 c8c6 h4h5 d8g5 f2e3 e6d5 e4d5 g5e3 a3e3 c6b6 e3c3 e8d7 g1f1 h8h7 c3a3 b6b4 a3a6 b4b5 a6a7 d7e8 f1g1 e8f8 c2c3 b5c5 a7d7 c5d5 c1c2 e5e4
info depth 29 seldepth 52 multipv 1 score cp 12 upperbound nodes 48917722 nps 1654862 hashfull 645 tbhits 0 time 29560 pv f4f6 e7f6
info depth 29 seldepth 52 multipv 1 score cp 5 upperbound nodes 53214519 nps 1653600 hashfull 681 tbhits 0 time 32181 pv f4f6 e7f6
info depth 29 seldepth 56 multipv 1 score cp 10 nodes 57926510 nps 1654523 hashfull 718 tbhits 0 time 35011 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 a8c8 h1g1 g4e6 d5e3 e8d7 d3a3 c8c6 c1d2 h6h5 g1a1 h8h6 a3a6 c6a6 a1a6 h6f6 f2g3 f6f3 g3e1 f3f4 d2d3 d8h4 e1h4 f4h4 b4b5 h4h3 a6a7 d7c8 b5b6 h3g3
info depth 30 seldepth 56 multipv 1 score cp 3 upperbound nodes 82031530 nps 1667646 hashfull 873 tbhits 0 time 49190 pv f4f6 e7f6
info depth 30 seldepth 57 multipv 1 score cp 10 lowerbound nodes 89286836 nps 1673887 hashfull 892 tbhits 0 time 53341 pv f4f6
info depth 30 seldepth 57 multipv 1 score cp 21 lowerbound nodes 89820278 nps 1674252 hashfull 894 tbhits 0 time 53648 pv f4f6
info depth 30 seldepth 57 multipv 1 score cp 12 upperbound nodes 90965191 nps 1674123 hashfull 900 tbhits 0 time 54336 pv f4f6 e7f6
info depth 30 seldepth 57 multipv 1 score cp 20 nodes 100968031 nps 1675845 hashfull 924 tbhits 0 time 60249 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d2 a8c8 b2b3 c8c6 c1b2 g4f3 h1e1 h8g8 c2c4 g8g4 d5c3 g4g2 e1e3 f3h5 e3d3 d8e7 b4b5 a6b5 c4b5 c6c8 b5b6 h5g6 c3b5 c8d8 b6b7 d8b8 b5d6 e7d6 d3d6 g6e4 d6h6 b8b7 h6h8 e8e7
info depth 31 seldepth 57 multipv 1 score cp 13 upperbound nodes 132441065 nps 1677615 hashfull 975 tbhits 0 time 78946 pv f4f6 e7f6
info depth 31 seldepth 57 multipv 1 score cp 20 lowerbound nodes 137826228 nps 1676718 hashfull 979 tbhits 0 time 82200 pv f4f6
info depth 31 seldepth 57 multipv 1 score cp 14 nodes 141272278 nps 1676265 hashfull 981 tbhits 0 time 84278 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d2 a8c8 b2b3 c8c6 c2c4 g4f3 h1e1 h8g8 e1e3 f3h1 d5c3 g8g4 e3d3 d8e7 d3g3 g4g3 f2g3 c6b6 b4b5 a6b5 c4b5 h1f3 c1c2 f3h1 d2f2 b6b7
info depth 32 seldepth 57 multipv 1 score cp 21 lowerbound nodes 153727100 nps 1680591 hashfull 993 tbhits 0 time 91472 pv f4f6
....
score never got convincing , but still, it stuck with it for 5 minutes
....
info depth 34 seldepth 57 multipv 1 score cp 14 nodes 316932886 nps 1681065 hashfull 999 tbhits 0 time 188531 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 a8c8 h1g1 g4e6 d5e3 e8d7 d3a3 c8c6 c1d2 d8b6 c2c3 d6d5 e4d5 e6d5 g1a1 b6e3 f2e3 f7f5 a3a6 f5f4 e3c5 d5c4 a6a7 c6c7 d2e1 c7a7 a1a7 d7c6 a7e7 c6d5 e1f2 h8c8
info depth 35 seldepth 57 multipv 1 score cp 19 nodes 433141742 nps 1697124 hashfull 999 tbhits 0 time 255221 pv f4f6 e7f6 c3d5 c7d8 d4c6 c8g4 c6d8 f6d8 d1d3 a8c8 h1g1 g4e6 d5e3 e8d7 d3a3 c8c6 c1d2 d8b6 c2c3 d6d5 e4d5 e6d5 g1a1 b6e3 f2e3 f7f5 a3a6 f5f4 e3c5 h8g8 a6c6 d5c6 d2e1 c6e4 a1d1 d7e6 d1d6 e6f5 d6h6 g8g2 h6h5 f5f6
info depth 36 seldepth 57 multipv 1 score cp 12 upperbound nodes 512227769 nps 1707420 hashfull 999 tbhits 0 time 300001 pv f4f6 e7f6
bestmove f4f6 ponder e7f6
but it does not play Nf5 and, as noted in the pgn file, the response Rb8 was a blunder...

also sees Shirov's Bh3
[d]8/8/4kpp1/3p1b2/p6P/2B5/6P1/6K1 b - - 0 1 in 75 seconds , single core mode (230M nodes with 512 Hash)

Code: Select all

info depth 40 seldepth 48 multipv 1 score cp 215 nodes 56240188 nps 2628660 hashfull 372 tbhits 0 time 21395 pv f5e4 g2g4 f6f5 g4f5 e6f5 g1f2 f5f4 f2e2 a4a3 e2d2 e4f5 c3f6 a3a2 f6b2 f4e4 b2c3 d5d4 c3a1 e4d5 d2c1 d5c4 c1d2 f5e4 d2e2 e4d5 e2d2 d5f3 a1b2 f3e4 b2a1 e4f5 d2e2 c4c5 e2d1 f5d3 d1c1 d3e4 c1d2 e4b1 a1b2 b1f5 d2e2 c5d5
info depth 41 seldepth 48 multipv 1 score cp 222 lowerbound nodes 70323667 nps 2616986 hashfull 461 tbhits 0 time 26872 pv f5e4
info depth 41 seldepth 51 multipv 1 score cp 215 upperbound nodes 144825467 nps 2980622 hashfull 627 tbhits 0 time 48589 pv f5e4 g1f2
info depth 41 seldepth 51 multipv 1 score cp 204 upperbound nodes 183325595 nps 3118365 hashfull 658 tbhits 0 time 58789 pv f5e4 g1f2
info depth 41 seldepth 51 multipv 1 score cp 213 lowerbound nodes 230640744 nps 3056828 hashfull 800 tbhits 0 time 75451 pv f5h3
info depth 41 seldepth 51 multipv 1 score cp 234 lowerbound nodes 245442014 nps 3027083 hashfull 839 tbhits 0 time 81082 pv f5h3
info depth 41 seldepth 51 multipv 1 score cp 262 lowerbound nodes 264246457 nps 2998949 hashfull 864 tbhits 0 time 88113 pv f5h3
info depth 41 seldepth 54 multipv 1 score cp 299 lowerbound nodes 282146257 nps 2974030 hashfull 893 tbhits 0 time 94870 pv f5h3
info depth 41 seldepth 54 multipv 1 score cp 347 lowerbound nodes 309885512 nps 2940425 hashfull 921 tbhits 0 time 105388 pv f5h3
info depth 41 seldepth 55 multipv 1 score cp 347 nodes 348364712 nps 2902918 hashfull 951 tbhits 0 time 120005 pv f5h3
bestmove f5h3 ponder g1f2
while still maintaining normal SF strength ...

Code: Select all

Rank Name                      Rating   Δ     +    -     #     Σ    Σ%     W    L    D   W%    =%   OppR 
---------------------------------------------------------------------------------------------------------
   1 Aristides v1.0a 64 POPCN   3110   0.0    5    5  5115 2646.5  51.7  988  810 3317  19.3  64.8  3098 
   2 Aristides v1.0d 64 POPCN   3107   3.5    5    5  5094 2605.5  51.1  939  822 3333  18.4  65.4  3099 
   3 MacCfish-mf v8.1 64 POPC   3107   0.1    5    5  5115 2615.5  51.1  928  812 3375  18.1  66.0  3099 
   4 Aristides v1.0b 64 POPCN   3105   1.1    5    5  5113 2605.0  50.9  942  845 3326  18.4  65.0  3099 
   5 Stockfish-Official 16121   3105   0.7    5    5  5118 2601.5  50.8  958  873 3287  18.7  64.2  3099 
   6 Stockfish MateFinder 64    3067  38.2    5    5  5113 2260.0  44.2  626 1219 3268  12.2  63.9  3107 
---------------------------------------------------------------------------------------------------------

Post Reply