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kutztown46
Member since Dec-26-06 · Last seen Dec-28-24
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   kutztown46 has kibitzed 4408 times to chessgames   [more...]
   Jan-27-18 Team White vs Team Black, 2017 (replies)
 
kutztown46: team black A majority vote for 1-0 means we resign.
 
   Dec-27-16 WinKing chessforum (replies)
 
kutztown46: <WinKing> Merry Christmas!
 
   Dec-27-16 Golden Executive chessforum (replies)
 
kutztown46: Merry Christmas, <GE>!
 
   Nov-30-16 Carlsen vs Karjakin, 2016 (replies)
 
kutztown46: <If both survive the lirpa, they will continue with the Ahn'woon.> This fight is to the death!
 
   Nov-03-16 Carlsen - Karjakin World Championship Match (2016) (replies)
 
kutztown46: Does anyone know the starting time for the games?
 
   Oct-30-16 chessgames.com chessforum (replies)
 
kutztown46: Sorry if this was already covered, but will viewing of the live games of the World Championship be limited to premium members?
 
   May-20-16 chancho chessforum (replies)
 
kutztown46: Do you play bridge online at BBO? I ran into a player with a user name of "chancho58". before I had a chance to ask if it was you, he left the table.
 
   Mar-16-16 Team White vs Team Black, 2015 (replies)
 
kutztown46: Wait a minute. I've only read the first 100 pages of kibitzing!
 
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Forum Central

Kibitzer's Corner
< Earlier Kibitzing  · PAGE 62 OF 91 ·  Later Kibitzing>
Sep-27-10  Garech: However, there is an improvement on 25. Nf3:

25.Nde4! Be5 26.dxc6 f5 27.Nb5 Bxb5 28.Bxe5 Rxd1+ 29.Rxd1 Qxe5 30.Rd8+ Kg7 31.Rd7+ Kf8 32.axb5 Qxe4 33.Bf3 Qe3+ 34.Kg2 Ke8 35.Rxh7 Kd8 36.Rxa7 Kc8 37.Rb7 Qxb3 38.Rxb6 Kd8 Stockfish 1 6 JA : +0.60. Depth: 16. ♘odes: 101.7 M

Sandpapered:

…Be5 26.dxc6 f5 27.Nb5 Bxb5 28.Bxe5 Rxd1+ 29.Rxd1 Qxe5 30.Rd8+ Kg7 31.Rd7+ Kf8 32.axb5 Qxe4 33.Bf3 Qe3+ 34.Kg2 Ke8 35.Rxh7 Kd8 36.Rxa7 Kc8 37.Rb7 Qc5 38.e4 Qxb5 39.exf5 gxf5 40.h4 Qxb3 41.Kg3 Stockfish 1 6 JA : +0.40. Depth: 15. ♘odes: 119.8 M

25...Be5 26.dxc6 f5 27.Nb5 Bxb5 28.Bxe5 Rxd1+ 29.Rxd1 Qxe5 30.axb5 fxg4 31.Rd8+ Kf7 32.Nd6+ Kf6 33.Rf8+ Kg7 34.Rf7+ Kg8 35.Rd7 Qxe2 36.c7 Qe3+ 37.Kf1 Qf4+ 38.Kg1 Qe3+ Stockfish 1 6 JA : 0. Depth: 14. ♘odes: 49.7 M – potential danger for a perpetual, but further sandpapering will probably solve this.

(If instead 25...Bxh2+ then 26.Kg2 Be5 27.dxc6 Qe7 28.Bf3 f5 29.Ng3 Rxd1 30.Nxd1 Bd6 31.Nf2 Qh4 32.Nfh1 Kf8 33.Ba3 Bxa3 34.Rxa3 Ke7 Stockfish 1 6 JA : +0.16. Depth: 14. ♘odes: 55.5 M

26.dxc6 only move to retain the advantage

26…f5 seems to be best:

26...f5 27.Nb5 Bxb5 28.Bxe5 Rxd1+ 29.Rxd1 Qxe5 30.Rd8+ Kg7 31.Rd7+ Kf8 32.axb5 Qxe4 33.Bf3 Qe3+ 34.Kg2 Ke8 35.Rxh7 Kd8 36.Rxa7 Kc8 37.Rb7 Qc5 38.Rg7 Qxb5 39.Rxg6 Qxb3 40.Rg7 Stockfish 1 6 JA : +0.52. Depth: 17. ♘odes: 179.9 M

or is there a perpetual…? Stockfish seemed to think so after a further 10 million nodes:

26...f5 27.Nb5 Bxb5 28.Bxe5 Rxd1+ 29.Rxd1 Qxe5 30.Rd8+ Kg7 31.Rd7+ Kh6 32.axb5 Qxb5 33.Nd6 Qc5+ 34.Kf1 Qc1+ 35.Kf2 Qc5+ 36.e3 fxg4 37.c7 g3+ 38.hxg3 Qc2+ 39.Kg1 Qd1+ 40.Kg2 Qe2+ 41.Kh3 Qh5+ 42.Kg2 Qe2+ Stockfish 1 6 JA : 0. Depth: 16. ♘odes: 189.4 M – again, we will find out through sandpapering.

Also playable is

(26...Rxd1+ 27.Rxd1 Qxc6 28.Rd7 Kf8 29.Rd8+ Kg7 30.Rd5 f6 31.Rd7+ Kh8 32.Rd8+ Kg7 33.Ba3 h5 34.Bf3 Qe6 35.Bf8+ Kh7 36.Kf2 Bb7 37.Bd6 Bd4+ 38.Kg2 Bc6 39.Nb5 Ba1 40.Nc7 Qxb3 41.Ng5+ fxg5 42.Bxc6 Qc2 43.Rd7+ Bg7 Stockfish 1 6 JA : +0.64. Depth: 16. ♘odes: 194.6 M this appears to give white an even bigger edge though, and needs sandpapering).

Sep-27-10  Garech: 27.Nb5 is the only decent move after f5, and Bxb5 is the only decent response.

28.Bxe5 is also forced to retain the advantage, as well as …Rxd1+ 29.Rxd1+ Qxe5

and what does white have now? It appears that the only two viable continuations,

a) 30.Rd8+

and

b) 30.axb5

both allow black to draw with perpetual check:

a) 30.Rd8+ Kg7 31.Rd7+ Kh6 32.axb5 Qxb5 33.Nd6 Qc5+ 34.Kf1 Qc1+ 35.Kf2 Qc5+ 36.Kf1 Stockfish 1 6 JA : 0. Depth: 15. ♘odes: 36.5 M

b) 30.axb5 fxg4 31.Rd8+ Kf7 32.Nd6+ Kf6 33.c7 Qd4+ 34.Kg2 Qd5+ 35.Kf2 Qd4+ 36.Kg2 Stockfish 1 6 JA : 0. Depth: 15. ♘odes: 38 M

Sandpapered:

a)

30…Kg7 is forced

(30...Kf7 – only other move – 31.Nd6+ Ke7 32.Re8+ Kxd6 33.Rxe5 Bxc6 34.Re3 fxg4 35.Kf2 g5 36.Rc3 Bd5 37.Ke3 Ke5 38.Rc7 h5 39.b4 a6 40.Rg7 Kf5 Stockfish 1 6 JA : +1.01. Depth: 14. ♘odes: 21.3 M and white should win easily enough).

31.Rd7+ Kh6 32.axb5 Qxb5 33.Nd6 Qc5+ 34.Kf1 Qc1+ 35.Kf2 Qc5+ 36.Kf1 Stockfish 1 6 JA : 0. Depth: 15. ♘odes: 26.7 M

(if instead 31.axb5 black still draws after Qxe4 32.Rd7+ Kf6 33.Bf3 Qe6 34.Rxa7 Qxb3 35.Rxh7 Qxb5 36.c7 Qc5+ 37.Kf1 Qc1+ 38.Kf2 Qc5+ 39.Kf1 Stockfish 1 6 JA : 0. Depth: 15. ♘odes: 28.6 M and sandpapering up to Bf3 gives two lines with a perpetual:

33...Qe6 34.Kf1 h5 35.Bd5 Qe3 36.Rf7+ Kg5 37.Rxa7 Qc1+ 38.Kg2 Qe3 39.Bc4 Qe4+ 40.Kg1 Qg4+ 41.Kf2 Qf4+ 42.Kg1 Qg4+ Stockfish 1 6 JA : 0. Depth: 15. ♘odes: 6.2 M

and

33...Qe8 34.Kf2 h5 35.Rxa7 Qe5 36.c7 Qxh2+ 37.Kf1 Qh3+ 38.Bg2 Qc3 39.Bc6 Qc1+ 40.Kg2 Qg5+ 41.Kf2 Qf4+ 42.Ke1 Qc1+ 43.Kf2 Qf4+ Stockfish 1 6 JA : 0. Depth: 16. ♘odes: 6.7 M so I am inclined to believe that black must have a draw here.

Sep-27-10  Garech: Thus we are back to

31.Rd7+ which, after sandpapering, gives:

31...Kh6 (only move to stay level) 32.axb5 (only move to stay in the game) Qxb5!

(32...Qxe4 33.Bf3 Qe3+ 34.Kf1 Qc1+ 35.Kg2 Qg5+ 36.Kf2 Qh4+ 37.Kf1 Qh3+ 38.Kg1 f4 39.Rxa7 Qf5 40.c7 Kg5 41.Kg2 Qc8 42.Kf2 Kf6 43.e3 Ke5 44.exf4+ Kxf4 45.Be2 Ke5 46.Ke3 Kd5 47.Bf3+ Kd6 48.Kd4 Stockfish 1 6 JA : +0.64. Depth: 15. ♘odes: 25.4 M – needs sandpapering).

33.Nd6 (unfortunately this move is forced and allows black a perpetual): Qc5+ 34.Kf1 Qc1+ 35.Kf2 Qc5+ 36.e3 fxg4 37.c7 g3+ 38.hxg3 Qc2+ 39.Kg1 Qd1+ 40.Kg2 Qe2+ 41.Kh3 Qh5+ 42.Kg2 Qe2+ Stockfish 1 6 JA : 0. Depth: 17. ♘odes: 24.2 M

b) 30.axb5 sandpapered:

…fxg4 forced to stay in the game, and now the top three moves all result in perpetuals as the best that can be hoped for:

(31.Rd3 g5 32.Rd8+ Kf7 33.Rd7+ Ke6 34.Rd6+ Ke7 35.Rd7+ Ke6 Stockfish 1 6 JA : 0. Depth: 17. ♘odes: 42.5 M)

(31.Rd8+ Kf7 32.Rd7+ Ke6 33.Rd6+ Ke7 34.Rd7+ Ke6 Stockfish 1 6 JA : 0. Depth: 17. ♘odes: 43.6 M)

(31.Rd7 Qxe4 32.c7 Qe3+ 33.Kf1 Qf4+ 34.Kg1 Qe3+ Stockfish 1 6 JA : 0. Depth: 17. ♘odes: 45.1 M)

So it appears that I have refuted my own improvement, 25.Nde4!

We must therefore return to that position and experiment with 25.Nf3:

…cxd5 is ostensibly the best black has:

25...cxd5 26.Kg2 d4 27.Ne4 Qf4 28.Nxg3 Qxg4 29.Rxd4 Rxd4 30.Nxd4 f5 31.Kf2 f4 32.Nf1 Qh4+ 33.Kg2 Qg5+ 34.Kf2 Qh4+ Stockfish 1 6 JA : 0. Depth: 15. ♘odes: 52.9 M – another dreaded perpetual – hopefully sandpapering will solve this)

(25...Bd6 26.Kh1 f5 27.Bh3 cxd5 28.Bg2 Qg7 29.Rd2 d4 30.Rxd4 Qe7 31.Rd2 Bf4 32.Rxd8+ Qxd8 33.Nb5 Qd5 Stockfish 1 6 JA : +0.32. Depth: 15. ♘odes: 56.7 M)

(25...f5 26.Bh3 Bd6 27.Bg2 c5 28.e4 c4 29.bxc4 Qxc4 30.exf5 Qb4 31.Rab1 gxf5 32.Kh1 Rc8 33.Nb5 Bxb5 34.Be5 Qxa4 35.Bxd6 Stockfish 1 6 JA : +0.40. Depth: 15. ♘odes: 58.5 M)

Sep-27-10  Garech: and now comes:

26.Kg2

(other moves and black has an edge, e.g. 26.Nxd5 Qc5+ 27.Rd4 Bxh2+ 28.Kxh2 Rxd5 29.Rad1 Bb7 30.Ne1 Qc7+ 31.Kh3 Rxd4 32.Rxd4 h5 33.Bf3 Bxf3 34.Nxf3 f6 35.Rc4 Qd6 36.Nd4 Kf7 37.Rc6 Qd7+ 38.Kg3 g5 39.e3 h4+ 40.Kf2 g4 41.Ba3 Kg6 Stockfish 1 6 JA : -0.56. Depth: 17. ♘odes: 223.3 M

and

26.Kf1 h5 27.Bh3 Bf4 28.Nxd5 Qc2 29.Nf6+ Kg7 30.Nxh5+ Kh6 31.Rxd8 Qxe2+ 32.Kg1 Be3+ 33.Kh1 Qxb2 34.Re1 Bc5 35.Rd7 Qxb3 36.Ne5 Qb4 37.Nf3 gxh5 38.Rxf7 Bc4 39.Be6 a6 40.Bxc4 Qxc4 41.Rf6+ Kg7 Stockfish 1 6 JA : -0.96. Depth: 17. ♘odes: 225.8 M – but these lines need sandpapering).

26.Kg2 d4 27.Nb5 Bxb5 28.axb5 Re8 29.Rdc1 Rxe2+ 30.Kh3 Rxb2 31.Rxc7 Bxc7 32.Rxa7 Bf4 33.Bc8 Rxb3 34.Kg4 Be3 35.Rd7 Kg7 36.Kg3 Kf6 37.Rd6+ Kg7 38.Rd7 Stockfish 1 6 JA : 0. Depth: 16. ♘odes: 209.8 M

Sandpapered:

26...d4 27.Nb5 Bxb5 28.axb5 Re8 29.Bxd4 Bf4 30.Re1 f5 31.Bh3 Be3 32.Red1 Bf4 33.Re1 Stockfish 1 6 JA : 0. Depth: 16. ♘odes: 41.7 M

(26...h5 is apparently weaker: 27.Nxd5 Rxd5 28.Rxd5 hxg4 29.Rc1 gxf3+ 30.exf3 Qe7 31.Kxg3 f5 32.Rcd1 f4+ 33.Kg4 Bc8+ 34.Kxf4 Qh4+ 35.Ke3 Qh6+ 36.Kd3 Bf5+ 37.Kc3 Qxh2 38.R1d2 Qg3 39.Rd6 Qxf3+ 40.Kc4 g5 Stockfish 1 6 JA : +0.08. Depth: 15. ♘odes: 43.7 M but this needs to be sandpapered).

27.Nb5 only decent move

27.Nb5 Bxb5 28.axb5 Re8 29.Rdc1 Rxe2+ 30.Kh3 Rxb2 31.Rxc7 Bxc7 32.Rxa7 Bf4 33.Bc8 d3 34.Rd7 Rxb3 35.Bb7 d2 36.Kg4 Rb4 37.Kh3 Rb2 38.Kg4 Rb4 Stockfish 1 6 JA : 0. Depth: 14. ♘odes: 29.8 M

27...Bxb5 (essentially forced, anything else and white has a big edge) 28.axb5 Re8 29.Rdc1 Rxe2+ 30.Kh3 Rxb2 31.Rxc7 Bxc7 32.Rxa7 Bf4 33.Bd7 d3 34.Kg4 Bd6 35.Bc6 d2 36.Ra1 f5+ 37.Kg5 Kg7 38.Ra7+ Kg8 39.Bd5+ Kf8 40.Ra1 Kg7 41.Ra7+ Kf8 Stockfish 1 6 JA : 0. Depth: 14. ♘odes: 29.2 M

(A sharp continuation is 27...Qf4 28.hxg3 Qxg4 29.Rxd4 Rxd4 30.Nbxd4 Bb7 31.Rc1 Qd7 32.Kf2 a6 33.Ne5 Qd5 34.Nec6 Qd6 35.e3 a5 36.Kg2 h5 37.Kf2 Qf6+ 38.Kg2 Stockfish 1 6 JA : +1.17. Depth: 14. ♘odes: 37 M winning white’s crucial LSB. But it looks like black is losing the resulting position:

Sandpapered: 28.hxg3 Qxg4 29.Rxd4 Rxd4 30.Nbxd4 Bb7 31.Rc1 Qd7 32.Kf2 all best play – after which white is going to have all the play; his position is virtually without weaknesses and the knights will soon be charging up the board. With best play white is winning, but black will be able to put up a degree of stubborn resistance).

Sep-27-10  Garech: So back to 27…Bxb5 – white’s only decent answer is 28.axb5 and now comes either

a) 28...Re8 29.Bxd4 h5 30.Bh3 Rxe2+ 31.Kf1 Rc2 32.hxg3 Qxg3 33.Ng1 Qf4+ 34.Ke1 Qe4+ 35.Kf1 Qf4+ Stockfish 1 6 JA : 0. Depth: 15. ♘odes: 57.8 M

or

b) 28...Bf4 29.Nxd4 Bxh2 30.Nf3 Rxd1 31.Rxd1 f5 32.Nxh2 Qc2 33.Rd8+ Kf7 34.Ba3 fxg4 35.Rd7+ Ke6 36.Rxh7 Qxe2+ 37.Kg3 Qd3+ 38.Kxg4 Qe4+ 39.Kg3 Qe1+ 40.Kh3 Qe3+ 41.Kg4 Qe4+ Stockfish 1 6 JA : 0. Depth: 16. ♘odes: 62 M

both of which appear to give black a draw by perpetual check, so at least equality – but let’s sandpaper:

a) 29.Bxd4 Bd6 30.Ra2 f5 31.Bh3 Qf7 32.Rd3 g5 33.Bf2 Bb8 34.Nxg5 Qg6 35.Bh4 h6 36.e4 hxg5 37.Bxf5 Stockfish 1 6 JA : +0.24. Depth: 16. ♘odes: 66.3 M

29...Bd6 30.e3 Bc5 31.Rdc1 Qe7 32.Re1 h5 33.Bh3 g5 34.Bxc5 bxc5 35.Bf5 g4 36.Nd2 Qf6 37.e4 Qc3 38.Red1 Rd8 39.Ra2 Stockfish 1 6 JA : +0.36. Depth: 16. ♘odes: 73.5 M easily best.

(29...h5 30.Bh3 Rxe2+ 31.Kf1 Rc2 *32.Bf6* - improvement on earlier line - Rf2+ 33.Kg1 Rxf3 34.Rd8+ Qxd8 35.Bxd8 Be5 36.Re1 Bd4+ 37.Kg2 Rxb3 38.Bd7 Rb2+ 39.Kh1 Kg7 40.Bc7 Rd2 41.Bc6 g5 42.Rf1 f6 43.Bb8 g4 44.Bxa7 Kg6 45.Be4+ Kg5 46.Rf5+ Kh4 Stockfish 1 6 JA : +0.60. Depth: 16. ♘odes: 76.6 M – needs sandpapering)

30.e3 f5 31.Bh3 Qf7 32.Rdb1 Qe7 33.Rc1 Bc5 34.Ra2 Bxd4 35.exd4 Qf7 36.Rc3 Qd7 37.Kg1 Kg7 38.Bf1 Stockfish 1 6 JA : +0.52. Depth: 15. ♘odes: 47.5 M

30...Re4 31.Bh3 Bc5 32.Rac1 Qe7 33.Bxc5 bxc5 34.Rd7 Qf6 35.Re1 Qb2+ 36.Nd2 Kf8 37.Re2 Re7 38.e4 Qe5 39.Rf2 Qg5+ 40.Kf1 Qh4 41.Rd8+ Kg7 42.Bc8 Rxe4 43.Nxe4 Qxd8 Stockfish 1 6 JA : +0.40. Depth: 19. ♘odes: 422.3 M

(30...f5 31.Bh3 Bc5 32.Rac1 Qf7 33.Bxc5 bxc5 34.Rd3 Qe7 35.Kf2 Kf8 36.Rcc3 Rb8 37.Bf1 Rxb5 38.Rd8+ Qxd8 39.Bxb5 Qb6 40.Bc4 Ke7 41.Rd3 Qb4 42.Rd1 Stockfish 1 6 JA : +0.48. Depth: 19. ♘odes: 423.6 M is a possible alternative – blocking the action of white’s LSB is definitely desirable but apparently this line is weaker than 30…Re4 – still, the difference is a mere 0.08, and it will need exploring to make certain white is alright if GMP goes down this path – for the moment all looks good, anyway – black has no concrete attacking chances and the e file weaknesses will be serious later with, for example, a supported knight at e5).

31.Bh3 Bc5 32.Rac1 Qe7 is definitely best play, and now comes:

33.Kh1 Bxd4 34.exd4 Re3 35.d5 Qd6 36.Bg2 Rxb3 37.Rc6 Qb4 38.Rcc1 Qd6 39.Nd4 Ra3 40.Nc6 a5 41.bxa6 e.p. Rxa6 42.Nd4 Ra2 43.Rc8+ Kg7 44.Rc6 Qd7 45.Rxb6 f5 Stockfish 1 6 JA : +0.32. Depth: 17. ♘odes: 247.4 M

or

33.Bxc5 bxc5 34.Kf2 Rxe3 35.Re1 Rxe1 36.Rxe1 Qf6 37.Re3 h5 38.Bd7 Qb2+ 39.Kg3 Qf6 40.Bc6 g5 41.Kg2 Qb2+ 42.Kg3 Qf6 43.Kg2 Stockfish 1 6 JA : 0. Depth: 17. ♘odes: 253 M

also possible is 33.Re1 Bxd4 34.exd4 Re2+ 35.Rxe2 Qxe2+ 36.Kg3 h5 37.Rc4 g5 38.Nxg5 Qe1+ 39.Kf4 Qd2+ 40.Kf5 Qf2+ 41.Ke4 Qh4+ 42.Kf5 Qf2+ Stockfish 1 6 JA : 0. Depth: 17. ♘odes: 256 M

the second and third options end in perpetuals that may be avoidable with sandpapering and will need researching if we go down this route. For now I will stick with the first line as it is given a significantly stronger evaluation:

Sep-27-10  Garech: 33.Kh1 Bxd4 34.exd4 best play – but now the eval has become equal!

(34.exd4 Re3 35.d5 Qd6 36.Bg2 Rxb3 37.Rc6 Qb4 38.Rcc1 Qd6 39.Rc6 Stockfish 1 6 JA : 0. Depth: 15. ♘odes: 40.5 M)

Further sandpapered:

34...Re3 35.Bg2 Rxb3 36.d5 Qd6 37.Rc6 Qb4 38.d6 Rd3 39.Rxd3 Qb1+ 40.Ng1 Qxd3 41.Bf3 f5 42.Kg2 Kf7 43.Be2 Qe4+ 44.Bf3 Qd3 Stockfish 1 6 JA : 0. Depth: 15. ♘odes: 52.4 M

35.d5! Qd6 36.Bg2 Rxb3 37.Nd2 Rd3 38.Nc4 Rxd1+ 39.Rxd1 Qd7 40.d6 Qg4 41.Ne3 Qg5 42.Bc6 f5 43.Nd5 Qd8 44.Ra1 Qxd6 45.Rxa7 Qd8 Stockfish 1 6 JA : +0.92. Depth: 18. ♘odes: 78.9 M

35…Qd6 36.Bg2 Rxb3 easily best play

37.Nd2! saves the day (Rc6 is a good backup plan, too.)

37.Nd2 Rd3 38.Nc4 Qf4 39.Rf1 Qd4 40.Nd6 f5 41.Rxf5 Rc3 42.Rxc3 Qxc3 43.Rf1 Qc5 44.Nf7 Qxb5 45.Ng5 Qa4 46.Ne6 h5 47.Rf8+ Kh7 48.Kg1 a5 49.Rf7+ Kh6 Stockfish 1 6 JA : +1.13. Depth: 15. ♘odes: 40.6 M

(37.Rc6 Qb4 38.Rcc1 Rc3 39.Rxc3 Qxc3 40.d6 Qc2 41.Rd4 Qb1+ 42.Ng1 Qb2 43.Rd5 Qf6 44.Rd1 Qd8 45.Bc6 f5 46.Nf3 Kf7 47.Kg2 Qf6 48.Kg3 Stockfish 1 6 JA : +0.76. Depth: 16. ♘odes: 55.6 M)

37…Rd3 forced after Nd2, and now 38.Nc4 is best:

38.Nc4 Qf4 39.Rf1 Qd4 40.Nd6 f5 41.Rxf5 Qb4 42.Rf6 Rd2 43.Re6 Rc2 44.Rf1 Qd2 45.Re8+ Kg7 46.Re7+ Kg8 47.Rg1 Ra2 48.Nc8 Rc2 49.Nxa7 Stockfish 1 6 JA : +1.33. Depth: 17. ♘odes: 51.8 M

38…Qf4 is the only move (Rxd1 makes it much easier for white)

38...Qf4 39.Rf1 Qd4 40.Nd6 f5 41.Rxf5 Qb4 42.Rc8+ Kg7 43.Ne8+ Kh6 44.Rf1 Qb3 45.Rcc1 Rc3 46.Nc7 Rxc1 47.Rxc1 Qb4 48.Rf1 Kg5 49.Rf3 Qe1+ 50.Bf1 Kg4 51.Rf7 Stockfish 1 6 JA : +1.45. Depth: 15. ♘odes: 28 M

39.Rf1 easily best – this position is now definitely winning for white.

Sep-27-10  Garech: 39...Qg5 is given as best, and now comes: 40.Nd6 f5 41.Rc8+ Kg7 42.Rc7+ Kg8 43.Nf7 Qe3 44.d6 Qe6 45.Rxa7 Qxf7 46.Rxf7 Kxf7 47.Bc6 Rxd6 48.Kg2 Kf6 49.Kg3 Rd2 50.h3 Rd3+ 51.Rf3 Rxf3+ 52.Kxf3 g5 53.Ke3 Ke5 54.Bd7 f4+ 55.Kf3 h6 56.Bc6 Stockfish 1 6 JA : +1.25. Depth: 18. ♘odes: 108.8 M

(39...Qd4 is apparently inferior: 40.Nd6 f5 41.Rxf5 Qb4 42.Rc8+ Kg7 43.Ne8+ Kh6 44.Rf1 Qb3 45.Nf6 Rd1 46.Rc1 Rxc1 47.Rxc1 Kg7 48.Rf1 Qxb5 49.d6 Qe5 50.d7 Qe7 51.Ne8+ Kh6 52.Bc6 a5 53.Nf6 Kg7 54.Kg2 h5 55.Ne8+ Kh6 56.h3 Stockfish 1 6 JA : +1.73. Depth: 18. ♘odes: 112.9 M – needs sandpapering).

So…

39…Qg5 40.Nd6 forces f5, and best play goes: 41.Rc8+ Kg7 42.Rc7+ Kg8 43.Nf7 Qe3 44.d6 Qe6 45.Rxa7 Qxf7 (forced) 46.Rxf7 Kxf7 47.Bc6 Rxd6 – and the rest is a matter of technique.

Sep-27-10  Garech: b) 28...Bf4 29.Nxd4 Bxh2 30.Nf3 Rxd1 31.Rxd1 f5 32.Nxh2 Qc2 33.Rd8+ Kf7 34.Ba3 fxg4 35.Rd7+ Ke6 36.Rxh7 Qxe2+ 37.Kg3 Qd3+ 38.Kxg4 Qe4+ 39.Kg3 Qe1+ 40.Kh3 Qe3+ 41.Kg4 Qe4+ Stockfish 1 6 JA : 0. Depth: 16. ♘odes: 62 M

29.Nxd4 (best) Bxh2 30.Nc6 Qg3+ 31.Kh1 Re8 32.Ne7+ Kf8 33.Ba3 Kg7 34.Bb2+ Kf8 Stockfish 1 6 JA : 0. Depth: 16. ♘odes: 66.9 M – does black have a draw? Sandpapering should prove it.

(also possible is 29.Rxd4 Rxd4 30.Bxd4 h5 31.Bh3 g5 32.e3 Qc2+ 33.Kh1 Bb8 34.Bd7 g4 35.Rg1 Kf8 36.Rg2 Qxb3 37.Ng1 Bd6 38.Bc6 Bc5 39.Rb2 Qd3 Stockfish 1 6 JA : -0.16. Depth: 17. ♘odes: 72.6 M this needs sandpapering, but looks inferior going by the initial evaluation).

29.Nxd4 Bxh2 (easily best):

29...Bxh2 30.Nf3 Rxd1 31.Rxd1 f5 32.Nxh2 Qc2 33.Rd8+ Kf7 34.Ba3 fxg4 35.Rd7+ Ke6 36.Re7+ Kf5 37.Rf7+ Ke6 38.Re7+ Stockfish 1 6 JA : 0. Depth: 15. ♘odes: 31.6 M

For a long time this position looked completely drawn, with moves like Nc6, Kf1 and Nf3 all ending in a negative evaluation or perpetual check. But then there slowly emerged, shining in the distance of the darkness, a beacon of hope akin to Gatsby’s green light:

30.Rd3! Re8 31.Nc6 f5 32.Bf3 Qg3+ 33.Kh1 Qh4 34.Bg2 Bg3+ 35.Kg1 Bf2+ 36.Kf1 Bc5 37.Bd4 Bxd4 38.Rxd4 Qh5 39.Ra2 Qg5 40.Rc2 Kf8 41.Rd7 Qf4+ 42.Bf3 h5 43.Nxa7 g5 44.Rcc7 g4 45.Rf7+ Kg8 46.Rg7+ Kh8 47.Rh7+ Kg8 Stockfish 1 6 JA : +0.20. Depth: 17. ♘odes: 132 M

30…Re8 is the only decent response, and now comes:

31.Nc6 – easily best, line given: 31.Nc6 f5 32.Bf3 Qg3+ 33.Kh1 Qh4 34.Kg2 (here it’s missing Bg2 from the line above – this should appear again with sandpapering) Qg3+ Stockfish 1.6 JA : 0. Depth: 15. ♘odes: 42.7 M

(31.Rc1 Qe5 32.Bd7 Rd8 33.Rc2 Bf4 34.Kf1 Qh5 35.Nf3 Qh1+ 36.Kf2 Qb1 37.Bf6 Qxc2 38.Bxd8 h5 39.Be7 Bg3+ 40.Kf1 Qc7 41.Kg2 Kg7 42.Rd1 f5 Stockfish 1.6 JA : -0.04. Depth: 15. ♘odes: 44.6 M is a dodgy backup plan to explore if the mainline fails).

31…f5 32.Bf3 (Bc3 is a second back up plan) Qg3+ 33.Kh1 Qh4 is forced

34.Bg2 is the only way for white to keep an edge

34.Bg2 Bg3+ 35.Kg1 Qf4 36.Bf3 Bh4 37.Bd4 Qg5+ 38.Kf1 Qf4 39.Nxa7 g5 40.Kg1 Qg3+ 41.Bg2 Qg4 42.Nc6 Qxe2 43.Rad1 Bg3 44.Bxb6 h5 45.R1d2 Qe1+ 46.Bf1 Stockfish 1.6 JA : +0.48. Depth: 14. ♘odes: 32.4 M is the initial line given.

Sep-27-10  Garech: Sandpapered:

34...Bg3+ 35.Kg1 Bf2+ 36.Kf1 Bc5 37.Bd4 Bxd4 38.Rxd4 Qh5 39.Rd2 Kf8 40.Rxa7 Qg5 41.Rad7 h5 42.Bf3 h4 43.Rd8 Qe3 44.Rxe8+ Kxe8 45.Rd3 Qc5 46.Rd8+ Kf7 47.Bd5+ Kf6 Stockfish 1.6 JA : +0.60. Depth: 14. ♘odes: 34.7 M

35.Kg1 Bf2+

35...Bf2+ 36.Kf1 Bc5 37.Bd4 Bxd4 38.Rxd4 Qh5 39.Rd2 f4 40.Bd5+ Kg7 41.Rxa7+ Kh6 42.Rf7 Qh3+ 43.Ke1 Qe3 44.Kd1 Ra8 45.Ra7 Rxa7 46.Nxa7 Qg1+ 47.Kc2 Kg5 Stockfish 1.6 JA : +0.28. Depth: 16. ♘odes: 57.4 M

(35...Qf4 36.Bf3 Bh4 37.Bd4 h5 38.Nxa7 Qg3+ 39.Bg2 Qg4 40.Nc6 Qxe2 41.Rad1 Kh7 42.Bxb6 Qg4 43.Rd7+ Kh6 44.Nd8 Bxd8 45.Rxd8 f4 46.Rxe8 Qxd1+ 47.Kf2 g5 48.Bc6 Kg6 49.Bc7 Qxb3 50.Be4+ Kf7 51.Bc6 Stockfish 1.6 JA : +0.76. Depth: 16. ♘odes: 59.4 M at first glance seems weaker, but will need to be scrutinised if the game follows this line).

35…Bf2+ 36. Kf1 (only move) Bc5 easily best:

36...Bc5 37.Nd4 Bb4 38.Bd5+ Kf8 39.Rdd1 Re7 40.Nc6 Bc5 41.Bd4 Bxd4 42.Rxd4 Qh3+ 43.Bg2 Qc3 44.Rda4 Re8 45.Rxa7 Qxb3 Stockfish 1.6 JA : +0.68. Depth: 15. ♘odes: 44.3 M

37.Nd4 (best) Rd8 38.e3 Rd7 39.Bc3 h5 40.b4 Be7 41.Bc6 Rc7 42.Nf3 Qh3+ 43.Kf2 Bh4+ 44.Nxh4 Qxh4+ 45.Kf1 Qh3+ 46.Ke2 Qh2+ 47.Kd1 g5 48.Rd5 Qg1+ 49.Kc2 Qf2+ 50.Kb3 h4 51.Rd8+ Kf7 Stockfish 1.6 JA : +0.36. Depth: 15. ♘odes: 50.2 M

37...Rd8 (best) 38.e3 Rd7 39.Bc3 h5 40.b4 Bf8 41.Be1 Qg4 42.Bc6 Qh3+ 43.Kg1 Qg4+ 44.Kf2 Re7 45.Bf3 Qh3 46.Kg1 Rd7 Stockfish 1.6 JA : +0.36. Depth: 13. ♘odes: 33.4 M

38.e3 (best) f4 39.Nf3 Qe7 40.Rxa7 Rxd3 41.Rxe7 Bxe7 42.Ne5 Rxe3 43.Bd4 Rg3 44.Bd5+ Kf8 45.Bxb6 Bd6 46.Bd4 Ke7 47.Nc6+ Kd7 48.Ke2 h5 49.b6 Kc8 50.Bf3 g5 51.Bxh5 Rxb3 Stockfish 1.6 JA : +0.56. Depth: 14. ♘odes: 44 M

(38.Ra4 h5 39.e3 Bxd4 40.Bxd4 Qe7 41.Rc3 Kh7 42.Rac4 h4 43.Kf2 g5 44.Rc7 Rd7 45.Bf6 Rxc7 46.Bxe7 Rxc3 47.Bxg5 Rxb3 48.Bxh4 Rxb5 Stockfish 1.6 JA : +0.28. Depth: 14. ♘odes: 46 M

and

38.Rad1 Qf4+ 39.Bf3 Rd6 40.Nc6 Qg5 41.Bd4 Bxd4 42.Rxd4 Rxd4 43.Rxd4 Qc1+ 44.Kf2 Qc5 45.e3 Qc2+ 46.Kg3 Qc5 47.Kf4 Qxb5 48.Bd5+ Kg7 49.Nxa7 Stockfish 1.6 JA : +0.28. Depth: 15. ♘odes: 47.8 M are further backup plans.)

Sep-27-10  Garech: 38…Rd7 given as best after sandpapering:

38...Rd7 39.Rad1 Rd6 40.Bc3 Qg3 41.b4 Bxd4 42.Rxd4 Rxd4 43.Bxd4 Kf7 44.Bd5+ Ke7 45.Ra1 Qc7 46.Ke2 g5 47.Kd3 h5 48.e4 Qg3+ 49.Be3 Stockfish 1.6 JA : +0.56. Depth: 17. ♘odes: 85.1 M

(but 38...Bxd4 39.Rxd4 Rxd4 40.Bxd4 Qe7 41.Rc1 Qd7 42.Bc6 Qd6 43.Ra1 Qe7 44.Bd5+ Kf8 45.Rc1 Qd7 46.Bc6 Qf7 47.Bf3 Qxb3 48.Be2 Qa2 49.Rc8+ Ke7 50.Rc7+ Kd6 51.Rxh7 Stockfish 1.6 JA : +0.76. Depth: 16. ♘odes: 87.3 M

and 38...f4 39.Nf3 Qe7 40.Rxa7 Rxd3 41.Rxe7 Bxe7 42.Ne5 Rxe3 43.Bd4 Bc5 44.Bxe3 Bxe3 45.Ke2 Kg7 46.Nc4 Bd4 47.Kd3 Bf2 48.Bf3 Kf6 49.Ke2 Bc5 50.b4 Stockfish 1.6 JA : +0.92. Depth: 16. ♘odes: 88.7 M will need to be investigated just to be safe.)

39.Rad1 - white has a gorgeous position! - Qg3 40.Nxf5 Rxd3 41.Nxg3 Rxd1+ 42.Ke2 Rb1 43.Bd5+ Kf8 44.Be5 h5 45.Ne4 Bb4 46.Bc4 Ke7 47.Kf3 Rd1 48.Kf4 Rc1 49.Bf6+ Kd7 50.Ke5 Re1 51.Bg5 Kc7 Stockfish 1.6 JA : +0.52. Depth: 15. ♘odes: 34.7 M

(An acceptable alternative is 39.Bc3, which appears to lead to simplification and a nice endgame for white with two bishops and a rook against a queen and two pawns:

39.Bc3 h5 40.Bc6 Bxd4 41.Rxd4 Rxd4 42.Bxd4 Qe7 43.Ke2 g5 44.Bd5+ Kh7 45.Rf1 Qd7 46.Bc4 Kh6 47.Be5 h4 48.Bd3 g4 49.Rxf5 g3 50.Rf1 Qg4+ 51.Ke1 Qb4+ 52.Ke2 Qxb3 Stockfish 1.6 JA : +0.16. Depth: 16. ♘odes: 66.4 Mbut this line needs sandpapering – black’s kingside pawns might become dangerous).

39...Qg3 40.Nxf5 Rxd3 41.Nxg3 Rxd1+ 42.Ke2 Rb1 43.Bd5+ Kf8 44.Be5 h5 45.Ne4 Bb4 46.Bc4 Ke7 47.Kf3 Rd1 48.Bb8 Ra1 49.Kf4 Kd8 50.Bd3 Kc8 51.Be5 Rd1 52.Nf2 Rd2 Stockfish 1.6 JA : +0.56. Depth: 16. ♘odes: 66.1 M

(Also possible but ostensibly weaker is 39...Rd6 40.Nxf5 Rxd3 41.Nxh4 Rxd1+ 42.Ke2 Rg1 43.Bd5+ Kf8 44.Be5 Ke7 45.Nf3 Rg2+ 46.Kd3 h5 47.Bf4 Kf6 48.Ne5 Rg1 49.Nd7+ Ke7 50.Nxc5 bxc5 51.Bb8 Ra1 52.Ke4 Ra5 53.Ke5 Rxb5 54.Bxa7 Stockfish 1.6 JA : +0.84. Depth: 16. ♘odes: 74.2 M)

Sep-27-10  Garech: 40.Nxf5

…Rxd3 41.Nxg3 Rxd1+ 42.Ke2 Rb1 43.Bd5+ Kf8 44.Bc3 h5 45.Ne4 Be7 46.Nf6 Ba3 47.e4 Ke7 48.Ng8+ Kf8 49.Bf6 Bb4 50.Bh4 Rh1 51.Bg5 Rg1 52.Bh6+ Ke8 53.Nf6+ Ke7 Stockfish 1.6 JA : +0.48. Depth: 16. ♘odes: 36.3 M – is this endgame really winning? Look at those passed pawns! White has a passed e pawn too though. Time will tell.

(Perhaps better despite having a lower eval at this stage is:

40.Bc3 h5 41.R1d2 Bxd4 42.Bxd4 g5 43.Bc6 Rd8 44.Rg2 Qh4 45.Ke2 Kf7 46.Be5 Rxd3 47.Kxd3 Ke6 48.Rh2 Qb4 Stockfish 1.6 JA : +0.32. Depth: 16. ♘odes: 47.2 M – yet another back up plan. 40.Rd2 is another possibility).

…Rxd3 41.Nxg3 Rxd1+ 42.Ke2 forced and now

42...Rb1 43.Bd5+ Kf8 44.Be5 h5 45.Ne4 Bb4 46.Bc4 Be7 47.Nc3 Rc1 48.Kd2 Ra1 49.e4 g5 50.Nd5 Rb1 51.Bb8 Ra1 52.Ke3 Re1+ 53.Kd3 Ra1 Stockfish 1.6 JA : +0.60. Depth: 17. ♘odes: 53.3 M

and

42...Rg1 43.Bd5+ Kf8 44.Be5 h5 45.Ne4 Bb4 46.Kf2 Rb1 47.Bc4 Be7 48.Be6 g5 49.Nf6 h4 50.Ne4 Ke8 51.Bd4 Kd8 52.Kf3 Rg1 53.Bh3 Rc1 Stockfish 1.6 JA : +0.60. Depth: 17. ♘odes: 55.3 M

have an identical evaluation – although to the human eye the latter looks better. White has a big edge at +0.60 and two minor pieces against a rook and pawn. There are three passed pawns on the board – white’s e pawn and black’s (connected) g and h pawns – which are something of a cause for concern. White’s king is more active and his bishop pair is certainly strong. Black’s pawn structure is superior, all three white pawns being isolated (and two of them doubled). White’s LSB clearly belongs on c4. But overall this really is not an easy one to call. The noted backup plans will need analysing in case better endgame positions can be created. GMP is undoubtedly a brilliant endgame player and we cannot rely on our engines for this stage of the game.

So I leave it for the team to discuss!

-Garech

Sep-27-10  thegoodanarchist: Garech Gambit analysis, unsandpapered due to computer glitch:

10…Bb7 11.Nc3 dxc4 12.e4!?

12…Re8

[(-0.35) 26/59] 13.Ne5 b5 14.Nxd7 Qxd7 15.b3 cxb3 16.axb3 a5 17.Bg5 h6 18.Bxf6 Bxf6 19.e5 Be7 20.Ne4 Qc7 21.f4

Sep-27-10  lost in space: Here an example (sliding forward with d=25)

10. Bf4 <Ba6> 11. Ne5 Rc8 12. Nc3 Bxc4 13. Nxc4 dxc4 14. e4 b5 15. a4 a6 16. axb4 axb4 So far following <imags> line from yesterday

<17. Ra6> Nb8 18. Bxb8 Rxb8 19. Rxc6 Qd7 20. Ra6 Ra8 21. Rxa8 Rxa8 22. e5 Nd5 23. Qe4;

d=27; 0,0000000


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Sep-27-10
Premium Chessgames Member
  Tabanus: 10...Ba6. From RV: <[+0.03] d=29 11.Nbd2 Rc8 12.Rac1 Nh5 13.Be3 Nhf6 14.Bg5 h6 15.Bxf6 Bxf6 16.e4 Be7 17.Qb3 Bb7 18.Ne1 Nf6 19.e5 dxc4 20.Nxc4 Nd5 21.Nd3 Ba6 22.a3 Qd7 23.Qa2 Rcd8> After 15...Bxf6, Houdini 27-ply

1. (0.10) 16.b4 Bb7 17.e4 g5 18.h3 Bg7 19.Qb3 Ba8
2. (0.07) 16.e4 Be7 17.Qb1 Bb7 18.b4 Re8 19.a3 Rc7

Sep-27-10  izimbra: <kutztown46: After 10...Ba6 11. Nbd2

Analysis by Stockfish 1.8 JA 64bit (31-ply):

1. = (0.00): 11...Rc8 12.Rac1 Nh5 13.Be3 Nhf6 14.Bf4

2. = (0.00): 11...Nh5 12.Be3 Nhf6 13.Bg5 h6 14.Bxf6 Bxf6 15.e4 Bb7 16.Rac1 Rc8 17.Qa4 a6 18.Qb3 Re8 19.e5 Be7 20.Ne1 a5 21.Nd3 Ba6 22.a4 Rc7 23.f4 Qb8 24.f5 dxc4 25.Nxc4 exf5 26.Nf4 Bb4 27.Nd3>

The two lines above transpose. Taking the longer one, after <21.Nd3 Ba6> Houdini at 23 ply gives the line <22.a2a3 Rcb8 23. Bg2f1 b6b5 24.c4c5 b5b4 25.Rc1a1 Qd8c7> an eval of +0.2 in favor of white. Stockfish also favors white, though its preferred response for black seems to jump around a lot from ply to ply, choosing between 3 or 4 different moves.

Sep-27-10  thegoodanarchist: Here is another line in the Garech Gambit. It looks fairly decent:

10…Bb7 11.Nc3 dxc4 12.e4!? gambit

12…a6 13.b3 cxb3 14.axb3 b5 [(-0.52) 23/57] 15.Qd3 h6 16.Be3 c5 17.d5 Qb6 18.d6 Bd8 19.Qe2 Ng4 20.Bf4 b4 21.Na4 Qb5 22.Re1 Bf6 23.Rac1 Qxe2 24.Rxe2


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and now the longer the engine runs, the better it likes White!

The eval is (+0.21) !! at depth = 24/54

If there are no improvements for Black in this line then we are 1 step closer to having a playable gambit.

Sep-28-10  Hugin: How about?

10…Bb7 11.Nc3 dxc4 12.e4 b5! 13.a4 a6 14.Qe2 h6 15.Nd2 Re8 16.Nf3 Qb6 17.Ne5 Rad8 18.Nxd7


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Looks good for black..

Sep-28-10
Premium Chessgames Member
  kutztown46: After 10...Ba6 11. b3


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Analysis by Stockfish 1.8 JA 64bit (31-ply):

1. = (0.00): 11...Rc8 12.Nc3 Nh5 13.Bc1 Nhf6 14.Bf4

2. = (0.00): 11...Re8 12.Nc3 Nh5 13.Bd2 Nhf6 14.Bf4

3. = (0.00): 11...h6 12.Nc3 Nh5 13.Bd2 Nhf6 14.Bf4

4. = (0.00): 11...Nh5 12.Bd2 Nhf6 13.Bf4

5. = (0.16): 11...Qe8 12.Nbd2 Nh5 13.Bg5 Nhf6 14.e4 h6 15.Bxf6 Bxf6 16.exd5 cxd5 17.cxd5 Rc8 18.Qb2 exd5 19.Re1 Be7 20.Bh3 Qd8 21.Ne5 Nxe5 22.Bxc8 Nd3 23.Qb1 Bb5 24.Re3 Bb4 25.Bf5 Bxd2

6. = (0.16): 11...Ne4 12.Nc3 Nxc3 13.Qxc3 Rc8 14.Qc2 Bb7 15.Rab1 Nf6 16.Ne5 Nd7 17.Nxd7 Qxd7 18.e4 Rfe8 19.Bf3 Bd6 20.Be3 Be7 21.Qd3 Bb4 22.Rbc1 Rcd8 23.Qc2 Qe7 24.Rb1

7. ² (0.28): 11...Qc8 12.Nbd2 c5 13.Rac1 cxd4 14.Qb2 Qe8 15.cxd5 Nxd5 16.Nxd4 Nxf4 17.gxf4 Rc8 18.Rxc8 Bxc8 19.Nc4 Nf6 20.Bc6 Bd7 21.Bf3 Nd5 22.Bxd5 exd5 23.Ne3 f6 24.Qc2 Bc5

8. ² (0.36): 11...Kh8 12.Nc3 Qc8 13.e4 dxc4 14.Nd2 Nh5 15.Be3 cxb3 16.axb3 Nhf6 17.Nc4 Ng4 18.Bf4 e5 19.Bh3 Nxf2 20.Qxf2 Bxc4 21.bxc4 exf4 22.Qxf4 Qb7 23.e5 a5 24.Bf5 Kg8 25.Qg4 Rfd8 26.Be4 Bb4

Sep-28-10
Premium Chessgames Member
  kutztown46: After 10...Ba6 11. Nbd2 Nh5


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Analysis by Stockfish 1.8 JA 64bit (27-ply):

1. = (0.00): 12.Be5 Nhf6 13.Bxf6 Bxf6 14.e4 Bb7 15.Rdc1 c5 16.cxd5 exd5 17.e5 Be7 18.Bh3 Rc8 19.Qf5 Rc7 20.Qc2 Rc8

2. = (0.00): 12.Be3 Nhf6 13.Bf4

3. = (-0.12): 12.Rac1 Nxf4 13.gxf4 Bb7 14.Nf1 Rc8 15.Ng3 a6 16.Qb1 a5 17.e3 Bd6 18.Qc2 Re8 19.Qb3 Rc7 20.cxd5 cxd5 21.Ne5 Ba6 22.Rxc7 Bxc7 23.Qc2 Bxe5 24.fxe5 Qc8

4. = (-0.24): 12.Bh3 Nxf4 13.gxf4 Re8 14.Rac1 Bb7 15.Ne5 Nxe5 16.dxe5 Ba6 17.e3 Bf8 18.Bf1 Qh4 19.Be2 Be7 20.Nf1 Bb7 21.cxd5 exd5 22.Ng3 g6 23.Bf3 Bc5 24.Ne2 Qh3 25.Bg2 Qg4 26.h3

Sep-28-10
Premium Chessgames Member
  kutztown46: After 10...Ba6 11. Nbd2 Nh5 12. Be3


click for larger view

Analysis by Stockfish 1.8 JA 64bit (32-ply):

1. = (0.04): 12...Nhf6 13.Bg5 Rc8 14.Rac1 h6 15.Bxf6 Bxf6 16.e4 Bb7 17.Qa4 a6 18.Qb3 Re8 19.e5 Be7 20.Ne1 a5 21.Nc2 Ra8 22.Ne3 a4 23.Qc2 a3 24.b3 Bb4 25.Qd3 Qe7 26.f4 Ba6

2. = (0.08): 12...Rc8 13.Rac1 Nhf6 14.Bg5 h6 15.Bxf6 Bxf6 16.e4 Bb7 17.Qa4 a6 18.Qb3 b5 19.a4 Qa5 20.axb5 axb5 21.exd5 exd5 22.Bh3 Rfd8 23.cxd5 cxd5

3. = (0.20): 12...Bb7 13.Ne5 Nhf6 14.Ndf3 c5 15.Ng5 h6 16.cxd5 Bxd5 17.Bxd5 exd5 18.Ngf3 Qc8 19.Nxd7 Qxd7 20.dxc5 bxc5 21.Bxc5 Rfc8 22.b4 a5 23.a3 Rab8 24.Ne5 Qh3 25.Qd3 Bxc5 26.bxc5 Rxc5 27.Rac1 Rxc1 28.Rxc1

4. ² (0.28): 12...Bd6 13.Rac1 Qb8 14.Ne1 Bb7 15.Qa4 Nhf6 16.Nd3 Rc8 17.cxd5 cxd5 18.Nf3

Sep-28-10
Premium Chessgames Member
  kutztown46: After 10...Ba6 11. Nbd2 Rc8


click for larger view

Analysis by Stockfish 1.8 JA 64bit (30-ply):

1. = (0.00): 12.Rab1 Nh5 13.Be3 Nhf6 14.Bf4

2. = (0.00): 12.e3 Bb7 13.e4 c5 14.exd5 exd5 15.Qa4 Bc6 16.Qb3 Bb7 17.Qa4

3. = (0.00): 12.a3 Nh5 13.Be3 Nhf6 14.Bf4

4. = (0.00): 12.Rac1 Nh5 13.Be3 Nhf6 14.Bf4

5. = (-0.08): 12.h4 Bb7 13.cxd5 cxd5 14.Qa4 a5 15.Rdc1 Ba6 16.Qd1 Rxc1 17.Rxc1 Qa8 18.e3 Rc8 19.Bf1 Bxf1 20.Kxf1 Nh5 21.Ne5 Nxf4 22.exf4 Qb7 23.Rxc8+ Qxc8 24.Kg2 f6 25.Ng4 Qc6 26.Qe2 f5

6. = (-0.20): 12.Bg5 h6 13.Bxf6 Nxf6 14.Rac1 Bb7 15.Qa4 a6 16.Ne5 c5 17.cxd5 b5 18.Qb3 exd5 19.dxc5 Bxc5 20.Nd3 Bd6 21.Nf1 Rxc1 22.Rxc1 Ne4 23.Bxe4 dxe4 24.Nc5 Bxc5 25.Rxc5 Qd4 26.Rc1 Bd5

Sep-28-10
Premium Chessgames Member
  kutztown46: After 10...Ba6 11. Nbd2 Rc8 12. Rac1


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Analysis by Stockfish 1.8 JA 64bit (29-ply):

1. = (0.00): 12...Nh5 13.Be3 Nhf6 14.Bf4

2. = (0.20): 12...c5 13.dxc5 Qe8 14.b4 bxc5 15.b5 Bb7 16.Ne5 Nh5 17.cxd5 Nxf4 18.gxf4 Nxe5 19.fxe5 exd5 20.Nc4 Qxb5 21.Ne3 Bg5 22.Rb1 Qa6 23.Nxd5 Rb8 24.e3 Bh4 25.Qxc5 Qe2 26.Rf1 Ba6 27.Nc3

3. = (0.24): 12...Bb7 13.e4 c5 14.exd5 exd5 15.Qa4 Bc6 16.Qa6 Nh5 17.cxd5 Bxd5 18.Be3 Nhf6 19.Nc4 Nb8 20.Qb5 Qe8 21.Qxe8 Rfxe8 22.Nfe5 cxd4 23.Rxd4 Bxg2 24.Kxg2 Na6 25.Nd3 Nc5 26.Nd6 Bxd6 27.Rxd6 Nce4 28.Rd4

4. ² (0.48): 12...dxc4 13.Nxc4 Nd5 14.Bd6 c5 15.Qa4 Bxc4 16.Bxe7 Qxe7 17.Rxc4 a5 18.e4 N5f6 19.d5 exd5 20.exd5 Rfd8 21.d6 Qe2 22.Qc2 Re8 23.Rc3 Qxc2 24.Rxc2 Rcd8 25.Nh4 g6 26.Bf1 Kg7 27.Bb5 h6

Sep-28-10
Premium Chessgames Member
  kutztown46: After 10...Ba6 11. Nbd2 Rc8 12. Rac1 Nh5


click for larger view

Analysis by Stockfish 1.8 JA 64bit (29-ply):

1. = (0.00): 13.Be3 Nhf6 14.Bg5 Bb7 15.e4 h6 16.Bxf6 Bxf6 17.Qb3 a5 18.Bh3 Be7 19.Bg2 Ra8 20.Qc2 Rc8 21.Qb3

2. = (0.00): 13.Be5 Nhf6 14.Bf4

3. = (-0.12): 13.Bh3 Nxf4 14.gxf4 g6 15.Bg2 Re8 16.e3 Bb7 17.Qa4 a6 18.Ne5 Nxe5 19.fxe5 b5 20.Qb3 Qd7 21.c5 a5 22.Nf3 Ra8 23.Bh3 a4 24.Qc3 Qd8 25.Bf1

4. ³ (-0.28): 13.Qb3 Nxf4 14.gxf4 Rc7 15.e3 Nf6 16.Ne5 Qc8 17.cxd5 cxd5 18.Rxc7 Qxc7 19.Qa4 Bb7 20.Nb3 Qb8 21.Rc1 Bd6 22.Bf1 Rc8 23.Rxc8+ Bxc8 24.Kg2 h6 25.Bb5 Qc7 26.Nd2 g5 27.Be8 Bxe5 28.dxe5 Bd7

Sep-28-10  Golden Executive: <kutztown46> your Forum Head it´s pretty user friendly. I really apreciate if you can give me some hint to learn how to do that kind of links that exactly matches with posts.
Sep-28-10
Premium Chessgames Member
  kutztown46: After 10...Ba6 11. Nbd2 Rc8 12. Rac1 Nh5 13. Be3


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Analysis by Stockfish 1.8 JA 64bit (31-ply):

1. = (0.00): 13...Nhf6 14.Bf4

2. ² (0.32): 13...Bb7 14.Qa4 a5 15.cxd5 cxd5 16.Ne5 Nhf6 17.Ndf3 Nxe5 18.Nxe5 Ba6 19.Nc6 Qd7 20.Nxe7+ Qxe7 21.Bf3 Rfd8 22.Qb3 Qa7 23.Bf4 Bc4 24.Qc2 Ba6 25.Qb1 h6 26.Rxc8 Rxc8 27.Rc1 Qb7 28.Rxc8+ Qxc8 29.Be5

3. ² (0.36): 13...c5 14.Qa4 Bb7 15.cxd5 Bxd5 16.dxc5 Nxc5 17.Bxc5 bxc5 18.Ne5 Qc7 19.Ndc4 Nf6 20.Qa5 Qb7 21.f3 Rfd8 22.b3 Nd7 23.e4 Nxe5 24.Nxe5 Bf6 25.exd5 Bxe5 26.dxe6 Rxd1+ 27.Rxd1 Bd4+ 28.Kh1 fxe6 29.f4

4. ² (0.36): 13...Qe8 14.Qa4 Nb8 15.Qb3 Nf6 16.Ne1 Nbd7 17.Bf4 Nh5 18.Nd3 Nxf4 19.Nxf4 Bd6 20.Nd3 Be7 21.e4 dxc4 22.Nxc4 c5 23.Qa4 Bxc4 24.Rxc4 Rb8 25.Rcc1 b5 26.Qxa7 Ra8 27.Qb7 Rb8 28.Qc7 cxd4

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