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Old 2017-02-09, 04:52   #1
MooMoo2
 
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Aug 2010

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Default Engine-assisted game vs Stockfish, move 25 discussion

The most popular move on the move 23 poll was ...Qb6+. If 24. Kh1 then Bg7.

Stockfish did play 24. Kh1 after 23...Qb6+. It then played 25. Rad1 after 24...Bg7. The FEN is:
2r2r1k/6bp/1qnp4/1p1Q1p2/4pP2/2P5/1PN1B1PP/3R1R1K b - - 4 25

Game so far: 1.e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6 11. Nd5 f5 12. c3 Bg7 13. Bd3 Be6 14. Nc2 O-O 15. O-O fxe4 16. Bxe4 Rc8 17. a4 f5 18. axb5 axb5 19. Bf3 e4 20. Be2 Kh8 21. Qd2 Be5 22. f4 Bxd5 23. Qxd5 Qb6+ 24. Kh1 Bg7 25. Rad1

Move 24 depth: 56 ply. Nodes searched: 575,755,189,305 (~576 G)
Move 25 depth: 59 ply. Nodes searched: 2,017,940,068,015 (~2018 G)
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Old 2017-02-10, 00:29   #2
gd_barnes
 
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Well...that's not too hard for Komodo to play:

25...b4 is almost a half pawn better than anything else.

I won't post any lines because the possible responses are fairly numerous still.
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Old 2017-02-10, 04:50   #3
The Carnivore
 
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Quote:
Originally Posted by gd_barnes View Post
Well...that's not too hard for Komodo to play:

25...b4 is almost a half pawn better than anything else.
What evaluation are you getting? Are we still at 0.00?
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Old 2017-02-10, 05:06   #4
gd_barnes
 
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Quote:
Originally Posted by The Carnivore View Post
What evaluation are you getting? Are we still at 0.00?
yes
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Old 2017-02-10, 15:52   #5
WMHalsdorf
 
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The goal of 25...b4 is to exchange our b and d pawns for Whites b and c pawns. This exchange would almost likly to include the queens as well.
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Old 2017-02-10, 21:33   #6
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Quote:
Originally Posted by WMHalsdorf View Post
The goal of 25...b4 is to exchange our b and d pawns for Whites b and c pawns. This exchange would almost likly to include the queens as well.
what would the play moves look like for this exchange goal?
thank you.

Edit:
wrong forum thread.

Last fiddled with by dh1 on 2017-02-10 at 21:42
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Old 2017-02-14, 00:30   #7
gd_barnes
 
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After letting Komodo think for awhile, I think there are only two main responses that SF might play after our 25...b4. Here is what it likes for our responses to each:

26. Qb3 Rb8 (26...Qc7 is also good, which leads to some wild lines after 27. cxb4 Na5.

26. Nxb4 Nxb4 27. cxb4 Qxb4 or Rc2

26. cxb4 Ne7 is bad for white so that is unlikely. I will be leaving town on Wednesday for 10 days and won't have access to Komodo so this should give everyone some lines to look at.
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