The Champions 2012 4CPU

Discussion of computer chess matches and engine tournaments.

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Leto
Posts: 2139
Joined: Thu May 04, 2006 3:40 am
Location: Dune

Re: Round 24

Post by Leto »

Deep Fritz 13 does not appear to be strong enough to win with the black pieces against Houdini 3 with that opening:

[Event "Houdini 3 testing 14"]
[Site "?"]
[Date "2012.11.30"]
[Round "1.1"]
[White "Houdini 3 Pro x64 2CPU"]
[Black "Deep Fritz 13 2CPU"]
[Result "1-0"]
[ECO "D44"]
[Annotator "-0.44;-0.59"]
[PlyCount "107"]
[EventDate "2012.11.30"]
[EventType "tourn"]
[Source "Leto"]
[TimeControl "120"]

{Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz 1994 MHz W=14.2 plies; 2,
057kN/s; testing.ctg B=15.0 plies; 2,700kN/s; testing.ctg} 1. d4 {B 0} d5 {B 0
} 2. c4 {B 0} c6 {B 0} 3. Nf3 {B 0} Nf6 {B 0} 4. Nc3 {B 0} e6 {B 0} 5. Bg5 {B 0
} dxc4 {B 0} 6. a4 {B 0} b5 {B 0} 7. Bxf6 {B 0} gxf6 {B 0} 8. g3 {B 0} b4 {B 0}
9. Ne4 {-0.44/17 7} f5 {-0.59/17 2} 10. Ned2 {-0.44/18 15 (Nc5)} c3 {-0.28/18 6
} 11. bxc3 {-0.40/16 3} bxc3 {-0.64/16 4} 12. Nb3 {-0.42/18 2 (Nb1)} Bb4 {-0.
77/17 5 (Nd7)} 13. Qc2 {-0.42/18 1} Nd7 {-0.71/17 3} 14. Bg2 {-0.35/17 3} Rb8 {
-0.86/17 3} 15. O-O {-0.35/16 1} Bb7 {-0.72/16 4 (0-0)} 16. Ne1 {-0.35/14 2
(Rfd1)} a5 {-0.69/15 3} 17. Nd3 {-0.28/16 3} h5 {-0.77/16 3 (0-0)} 18. h4 {-0.
41/15 2} Qc7 {-0.88/16 2} 19. e3 {-0.31/16 2 (Nf4)} Ba6 {-0.61/16 3} 20. Rfd1 {
-0.27/16 3} Ke7 {-0.81/16 4 (0-0)} 21. Rab1 {-0.31/15 1 (Nf4)} Bxd3 {-0.65/14 2
} 22. Rxd3 {-0.20/15 1} Nb6 {-0.52/15 2 (Rhd8)} 23. Nc5 {-0.18/16 1} Qc8 {-0.
42/16 2 (Bxc5)} 24. Rc1 {0.12/14 1 (Rb3)} Nd5 {-0.70/14 3} 25. e4 {0.13/16 2
(Re1)} fxe4 {-0.22/15 1} 26. Nxe4 {0.19/16 4} Ba3 {-0.36/15 2 (Qd7)} 27. Rxc3 {
0.20/12 7 (Re1)} Nb4 {0.29/17 4} 28. Qd2 {0.32/15 1} Bxc1 {0.39/17 2} 29. Qxc1
{0.81/15 3} Kf8 {0.40/16 2} 30. Rf3 {2.32/14 1 (Ng5)} f5 {0.25/15 1} 31. Nd6 {
2.25/13 1 (Ng5)} Qd7 {0.00/16 2 (Qc7)} 32. Nxf5 {2.88/11 0 (Qc5)} exf5 {2.63/
15 2} 33. Qg5 {2.86/10 0} Rh7 {2.77/14 1} 34. Rxf5+ {2.86/9 0} Rf7 {3.17/16 2}
35. Qh6+ {2.86/9 0} Ke7 {3.21/16 2} 36. Rxf7+ {2.86/9 0} Kxf7 {3.29/16 1} 37.
Qh7+ {3.48/14 1} Ke8 {3.32/18 1} 38. Qg8+ {3.51/15 2} Ke7 {3.31/13 0} 39. Qxb8
{3.70/17 4} Qxd4 {3.41/15 4} 40. Qc7+ {3.55/16 0} Ke6 {3.49/13 1 (Kf8)} 41.
Qxa5 {3.55/13 1 (Bh3+)} Nd3 {3.09/14 1 (c5)} 42. Qxh5 {4.04/14 1} Qxf2+ {3.24/
14 1} 43. Kh2 {4.05/13 0} Ne5 {3.79/13 1} 44. a5 {4.68/16 2} Qd4 {3.83/13 1
(Kd6)} 45. a6 {4.80/13 0 (Qe8+)} Qe3 {4.06/12 1} 46. Qe8+ {5.09/14 1} Kd6 {4.
45/13 1} 47. Qb8+ {5.75/16 1 (Kh3)} Kd7 {5.09/12 1} 48. Qb7+ {5.91/14 1 (Kh3)}
Kd8 {5.09/13 1} 49. Kh3 {5.77/13 0} Nd3 {6.60/12 1} 50. Qa8+ {5.88/12 0 (Qg7)}
Ke7 {6.50/13 1} 51. Bxc6 {5.84/11 0} Qe6+ {6.67/14 2} 52. Kh2 {5.84/10 0} Qe2+
{6.75/13 1} 53. Bg2 {5.84/9 0} Nf2 {6.79/14 1} 54. Qb7+ {7.06/15 1} 1-0
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beram
Posts: 1187
Joined: Wed Jan 06, 2010 3:11 pm

Re: Round 24

Post by beram »

Leto wrote:
velmarin wrote:

Code: Select all

beram wrote:
Not to criticize, but the openingsbook WorldClass2012-2 gave black here an (almost) easy win, as Houdini wins 80% of his games where it has a +0,5

In round nine Critter beat Houdini with the same opening.

The openings are repeated with changed colors.
http://kirill-kryukov.com/chess/discuss ... p?id=27988
The opening does not appear to be a guaranteed win for black, here's Fritz 6 losing with black:

[Event "Houdini 3 testing 13"]
[Site "?"]
[Date "2012.11.30"]
[Round "1.1"]
[White "Houdini 3 Pro x64 2CPU"]
[Black "Fritz 6 Light"]
[Result "1-0"]
[ECO "D44"]
[Annotator "-0.31;-0.31"]
[PlyCount "93"]
[EventDate "2012.11.30"]
[EventType "tourn"]
[Source "Leto"]
[TimeControl "120"]

....
Question is how much stronger must white be in order to win with this opening?
Houdini 3 is about 200 ELO stronger than Fritz 13, so it doesn't need to be more than 200.
But white does't need to be "stronger" to win here with white, because just as in real life, you can always loose on a bad day (or because of statistics in CC world) :D
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Leto
Posts: 2139
Joined: Thu May 04, 2006 3:40 am
Location: Dune

Re: Round 24

Post by Leto »

The mighty Rybka 4 cannot beat Houdini 3 with the black pieces with that opening:

[Event "Houdini 3 testing 15"]
[Site "?"]
[Date "2012.11.30"]
[Round "1.1"]
[White "Houdini 3 Pro x64 2CPU"]
[Black "Deep Rybka 4 x64 2CPU"]
[Result "1-0"]
[ECO "D44"]
[Annotator "-0.38;-0.65"]
[PlyCount "153"]
[EventDate "2012.11.30"]
[EventType "tourn"]
[Source "Leto"]
[TimeControl "120"]

{Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz 1995 MHz W=16.1 plies; 2,
438kN/s; testing.ctg B=12.9 plies; 107kN/s; testing.ctg} 1. d4 {B 0} d5 {B 0}
2. c4 {B 0} c6 {B 0} 3. Nf3 {B 0} Nf6 {B 0} 4. Nc3 {B 0} e6 {B 0} 5. Bg5 {B 0}
dxc4 {B 0} 6. a4 {B 0} b5 {B 0} 7. Bxf6 {B 0} gxf6 {B 0} 8. g3 {B 0} b4 {B 0}
9. Nb1 {-0.38/17 3} c5 {-0.65/13 4} 10. Bg2 {-0.36/17 4 (Nbd2)} Nc6 {-0.51/11
3 (Bb7)} 11. Nfd2 {-0.40/15 2} Bb7 {-0.60/11 4 (Qc7)} 12. dxc5 {-0.39/16 2} Qd4
{-0.51/12 3} 13. Qc1 {-0.37/17 2 (Qc2)} Rc8 {-0.54/12 3 (Qxc5)} 14. Qxc4 {-0.
34/16 5} Bxc5 {-0.86/12 2 (Qxc5)} 15. O-O {-0.38/19 2} O-O {-0.35/12 4 (Qxc4)}
16. e3 {-0.43/19 5} Qxc4 {-0.36/13 3} 17. Nxc4 {-0.37/17 0} Ba6 {-0.48/16 3}
18. Nbd2 {-0.38/20 3} Ne5 {-0.63/14 2} 19. Rfc1 {-0.38/21 2} Nd3 {-0.62/16 2}
20. Rd1 {-0.58/19 2 (Rc2)} Rfd8 {-0.58/13 3 (Be7)} 21. Rab1 {-0.39/17 3} f5 {
-0.59/13 1 (Kg7)} 22. Bf1 {-0.31/16 2} Be7 {-0.57/13 2} 23. Na5 {-0.26/17 2
(b3)} e5 {-0.22/10 2 (Bf6)} 24. Bh3 {-0.22/17 1} e4 {-0.07/12 2} 25. Nab3 {-0.
19/17 2} Rc2 {-0.10/12 3} 26. Bxf5 {-0.19/16 0} Nxb2 {-0.05/12 2} 27. Bxe4 {-0.
15/17 3} Bd3 {-0.17/13 2 (Nxd1)} 28. Rdc1 {0.00/17 1} Rxd2 {-0.22/13 2} 29.
Nxd2 {0.01/15 0} Bxb1 {-0.22/15 2} 30. Nxb1 {0.02/15 0} Nxa4 {-0.22/15 2} 31.
Rc7 {0.04/18 3} Nc5 {-0.22/14 2 (Rd1+)} 32. Bf5 {0.01/18 3} Rd5 {-0.07/14 1}
33. g4 {0.06/19 2} Bf6 {-0.07/14 3 (Bd8)} 34. Rxa7 {0.10/17 2} Rd1+ {0.00/14 2}
35. Kg2 {0.10/16 0} b3 {0.00/15 1} 36. Ra5 {0.16/18 1} Rc1 {0.00/15 1} 37. f4 {
0.13/18 7 (Kf3)} h6 {0.00/13 2} 38. Kg3 {0.20/17 1 (Kf3)} Kg7 {0.00/11 1 (Be7)}
39. Rb5 {0.30/18 1} Kf8 {0.00/14 1} 40. h4 {0.22/17 1 (Kf3)} Ke7 {0.15/12 2}
41. g5 {0.27/18 1} hxg5 {0.15/14 1} 42. hxg5 {0.26/19 1} Bg7 {0.15/15 1} 43.
Ra5 {0.27/19 1} Ne6 {0.15/15 1 (b2)} 44. Kf3 {0.29/17 1} b2 {0.15/15 1} 45. Ke2
{0.22/18 1 (Ra7+)} Nc5 {0.15/15 1} 46. Na3 {0.31/17 2 (Nd2)} Ne6 {0.15/13 2}
47. Ra7+ {0.22/17 4} Kf8 {0.15/14 1} 48. Bb1 {0.28/17 1 (Nb1)} Rh1 {0.14/12 2}
49. Ra8+ {0.28/16 1 (Kd2)} Ke7 {0.19/14 1} 50. Ra5 {0.26/16 1} Rh2+ {0.19/13 1}
51. Kd3 {0.28/17 1} Rh3 {0.19/13 1 (Rh1)} 52. Ke4 {0.32/15 1} Bc3 {0.19/12 1
(Rh1)} 53. Rb5 {0.31/16 1} Rh1 {0.19/11 1} 54. Ba2 {0.31/16 1} Ra1 {0.19/12 1
(Bg7)} 55. Nb1 {0.49/16 1} Bg7 {0.00/12 1} 56. Ra5 {0.49/14 0} Kd6 {0.69/12 0}
57. Kd3 {0.51/17 1} Kd7 {0.83/12 1 (Nd8)} 58. Kc2 {0.93/16 1} Ke7 {0.88/12 0
(Kd6)} 59. Kb3 {1.28/14 1 (Ra7+)} Kd6 {0.88/14 2} 60. Ra6+ {1.34/16 1 (Ra7)}
Kd7 {1.55/13 1 (Kd5)} 61. Ra7+ {2.41/13 0} Ke8 {1.55/13 1} 62. Ka3 {2.61/15 1
(Ra8+)} Nf8 {2.47/11 1 (Kf8)} 63. f5 {2.48/15 1} Nd7 {2.37/11 1 (Be5)} 64. f6 {
3.23/13 0} Nxf6 {2.70/12 0} 65. gxf6 {3.65/16 1} Bxf6 {2.70/12 1} 66. e4 {3.60/
15 0 (Rb7)} Bg5 {3.25/12 0} 67. Kxb2 {3.89/16 1} Bf6+ {3.62/13 0} 68. Kc1 {3.
87/18 1} Bg5+ {3.62/12 1} 69. Kc2 {3.87/16 0} Kd8 {3.62/14 1} 70. Nc3 {4.15/16
1 (Ra5)} f6 {3.56/12 0 (Be7)} 71. Kb2 {4.92/14 1 (Rh7)} Rf1 {3.97/11 1} 72. Be6
{4.92/12 0} Be3 {3.97/9 1 (Rf2+)} 73. Rd7+ {6.41/11 0} Ke8 {6.36/10 0} 74. Nd5
{6.41/10 0} Bd4+ {6.79/11 1} 75. Kb3 {6.41/9 0 (Kc2)} Be5 {7.05/9 0 (Kf8)} 76.
Rg7 {6.27/9 0} Rf3+ {7.30/12 0 (Bd6)} 77. Kc4 {6.49/9 0} 1-0

Houdini 3 of course won with the black pieces against DF 13 and Rybka 4.
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Graham Banks
Posts: 45210
Joined: Sun Feb 26, 2006 10:52 am
Location: Auckland, NZ

Round 26

Post by Graham Banks »

THE CHAMPIONS 2012 4CPU

Xeon X5430x2 Octal
ChessGUI
1024mb hash
3-4-5 piece tablebases
Ponder off
WorldClass2012-2.cgb book (limited to 8 move depth)
40 moves in 29 minutes repeating (adapted for the CCRL)
All engines 64-bit 4CPU where available
2 cycles 30 rounds


Round 26

Gull II b2 64-bit 4CPU v Bouquet 1.5 64-bit 4CPU (0-1)
Strelka 5.5 64-bit v DeepSaros 3.1a 64-bit 4CPU (draw)
Komodo 5 64-bit v Chiron 1.5 64-bit 4CPU (1-0)
IvanHoe 9.46h 64-bit 4CPU v Naum 4.2 64-bit 4CPU (1-0)
Vitruvius 1.11C 64-bit 4CPU v Hiarcs 14 4CPU (1-0)
Sting SF 2 64-bit 4CPU v Houdini 3 64-bit 4CPU (draw)
Equinox 1.60 64-bit 4CPU v Critter 1.6a 64-bit 4CPU (0-1)
Stockfish 2.3.1 64-bit 4CPU v Rybka 4.1 64-bit 4CPU (draw)


Standings after Round 26

17.5 - Critter 1.6a 64-bit 4CPU
17.5 - Rybka 4.1 64-bit 4CPU
16.5 - Houdini 3 64-bit 4CPU
15.5 - Vitruvius 1.11C 64-bit 4CPU
15.5 - Sting SF 2 64-bit 4CPU
15.5 - Strelka 5.5 64-bit
13.5 - Bouquet 1.5 64-bit 4CPU
13.0 - Equinox 1.60 64-bit 4CPU
12.5 - IvanHoe 9.46h 64-bit 4CPU
12.0 - Stockfish 2.3.1 64-bit 4CPU
12.0 - Komodo 5 64-bit
11.5 - Hiarcs 14 4CPU
10.5 - DeepSaros 3.1a 64-bit 4CPU
9.5 - Chiron 1.5 64-bit 4CPU
9.0 - Naum 4.2 64-bit 4CPU
6.5 - Gull II b2 64-bit 4CPU


Round 26 PGN - http://kirill-kryukov.com/chess/discuss ... p?id=28057

If you install TLCV (Tom's Live Chess Viewer) on your computer, you can watch the games live move by move. You'll also be able to chat to others following the tournament in the chatroom there.
http://home.pacific.net.au/~tommyinoz/client.zip
Host - GrahamCCRL.dyndns.org Port - 16083

There is also a live broadcast in Playchess.
gbanksnz at gmail.com
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Graham Banks
Posts: 45210
Joined: Sun Feb 26, 2006 10:52 am
Location: Auckland, NZ

Re: Round 24

Post by Graham Banks »

beram wrote:The position right out of the opening was already very favorable for black
Btw I couldn't find just one game in my 3,5 million database with it.
[d] rnbqkb1r/p4p1p/2p1pp2/8/PppP4/2N2NP1/1P2PP1P/R2QKB1R w KQkq - 0 9

Stockfisch 2.2.2 gives already +1,1 for black in this position; Houdini 3 0,58; Komodo 3 0,46;
So lucky Houdini here
Not to criticize, but the openingsbook WorldClass2012-2 gave black here an (almost) easy win, as Houdini wins 80% of his games where it has a +0,5

but the tension is back in tournament

grts Bram
Hi Bram,

the WorldClass2012-2.cgb opening book consists of games from all World Championship matches/tournaments plus Candidates matches/tournaments, where the rating of both players was 2600+.

Interestingly, with the help of an observer, we found an incorrect pgn posted on websites.
It was a game between Short and Gupta, where the opening moves have been stuffed up badly.
http://199.237.62.163/perl/chesslike.pl?gid=1625917

This is the sort of problem that affects the quality of opening books constructed from gathered pgn files.
This line was played in an earlier round and I replayed the game with a different line by editing the tournament file.

Graham.
gbanksnz at gmail.com
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beram
Posts: 1187
Joined: Wed Jan 06, 2010 3:11 pm

Re: Round 24

Post by beram »

Graham Banks wrote:
beram wrote:The position right out of the opening was already very favorable for black
Btw I couldn't find just one game in my 3,5 million database with it.
[d] rnbqkb1r/p4p1p/2p1pp2/8/PppP4/2N2NP1/1P2PP1P/R2QKB1R w KQkq - 0 9

Stockfisch 2.2.2 gives already +1,1 for black in this position; Houdini 3 0,58; Komodo 3 0,46;
So lucky Houdini here
Not to criticize, but the openingsbook WorldClass2012-2 gave black here an (almost) easy win, as Houdini wins 80% of his games where it has a +0,5

but the tension is back in tournament

grts Bram
Hi Bram,

the WorldClass2012-2.cgb opening book consists of games from all World Championship matches/tournaments plus Candidates matches/tournaments, where the rating of both players was 2600+.

Interestingly, with the help of an observer, we found an incorrect pgn posted on websites.
It was a game between Short and Gupta, where the opening moves have been stuffed up badly.
http://199.237.62.163/perl/chesslike.pl?gid=1625917

This is the sort of problem that affects the quality of opening books constructed from gathered pgn files.
This line was played in an earlier round and I replayed the game with a different line by editing the tournament file.

Graham.
THX Graham, for explaining.
But does this also apply for the opening I mentioned? From which stem game does the opening come: rnbqkb1r/p4p1p/2p1pp2/8/PppP4/2N2NP1/1P2PP1P/R2QKB1R w KQkq - 0 9 ?
I am just curious to know

grts Bram
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IGarcia
Posts: 543
Joined: Mon Jul 05, 2010 10:27 pm

Re: Round 26

Post by IGarcia »

Graham Banks wrote:THE CHAMPIONS 2012 4CPU

Xeon X5430x2 Octal
ChessGUI
1024mb hash
3-4-5 piece tablebases
Ponder off
WorldClass2012-2.cgb book (limited to 8 move depth)
40 moves in 29 minutes repeating (adapted for the CCRL)
All engines 64-bit 4CPU where available
2 cycles 30 rounds


Round 26

Gull II b2 64-bit 4CPU v Bouquet 1.5 64-bit 4CPU (0-1)
Strelka 5.5 64-bit v DeepSaros 3.1a 64-bit 4CPU (draw)
Komodo 5 64-bit v Chiron 1.5 64-bit 4CPU (1-0)
IvanHoe 9.46h 64-bit 4CPU v Naum 4.2 64-bit 4CPU (1-0)
Vitruvius 1.11C 64-bit 4CPU v Hiarcs 14 4CPU (1-0)
Sting SF 2 64-bit 4CPU v Houdini 3 64-bit 4CPU (draw)
Equinox 1.60 64-bit 4CPU v Critter 1.6a 64-bit 4CPU (0-1)
Stockfish 2.3.1 64-bit 4CPU v Rybka 4.1 64-bit 4CPU (draw)


Standings after Round 26

17.5 - Critter 1.6a 64-bit 4CPU
17.5 - Rybka 4.1 64-bit 4CPU
16.5 - Houdini 3 64-bit 4CPU
15.5 - Vitruvius 1.11C 64-bit 4CPU
15.5 - Sting SF 2 64-bit 4CPU
15.5 - Strelka 5.5 64-bit
13.5 - Bouquet 1.5 64-bit 4CPU
13.0 - Equinox 1.60 64-bit 4CPU
12.5 - IvanHoe 9.46h 64-bit 4CPU
12.0 - Stockfish 2.3.1 64-bit 4CPU
12.0 - Komodo 5 64-bit
11.5 - Hiarcs 14 4CPU
10.5 - DeepSaros 3.1a 64-bit 4CPU
9.5 - Chiron 1.5 64-bit 4CPU
9.0 - Naum 4.2 64-bit 4CPU
6.5 - Gull II b2 64-bit 4CPU


Round 26 PGN - http://kirill-kryukov.com/chess/discuss ... p?id=28057

If you install TLCV (Tom's Live Chess Viewer) on your computer, you can watch the games live move by move. You'll also be able to chat to others following the tournament in the chatroom there.
http://home.pacific.net.au/~tommyinoz/client.zip
Host - GrahamCCRL.dyndns.org Port - 16083

There is also a live broadcast in Playchess.
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Graham Banks
Posts: 45210
Joined: Sun Feb 26, 2006 10:52 am
Location: Auckland, NZ

Re: Round 24

Post by Graham Banks »

beram wrote:....... From which stem game does the opening come:
[d] rnbqkb1r/p4p1p/2p1pp2/8/PppP4/2N2NP1/1P2PP1P/R2QKB1R w KQkq - 0 9 ?
I am just curious to know

grts Bram
No idea. Perhaps somebody with a massive database might be able to help.
gbanksnz at gmail.com
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User avatar
velmarin
Posts: 1600
Joined: Mon Feb 21, 2011 9:48 am

Re: Round 24

Post by velmarin »

One play before this game is on the basis of Chessbase 2010.


[d]rnbqkb1r/p4p1p/2p1pp2/1p6/P1pP4/2N2NP1/1P2PP1P/R2QKB1R b KQkq - 0 8


pgn:

Code: Select all

[Event "Kuala Lumpur op 4th"]
[Site "Kuala Lumpur"]
[Date "2007.08.22"]
[Round "6"]
[White "Abang, Mohd Reduan"]
[Black "Lim Yee Weng"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "2136"]
[BlackElo "2336"]
[PlyCount "52"]
[EventDate "2007.08.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "MAS"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 dxc4 6. a4 b5 7. Bxf6 gxf6 8. g3
Qb6 9. Bg2 Bb7 10. O-O a6 11. e4 Bb4 12. Nh4 Nd7 13. Na2 Be7 14. d5 O-O-O 15.
axb5 cxb5 16. b3 Ne5 17. bxc4 Nxc4 18. Qh5 Ne5 19. Kh1 Kb8 20. f4 Ng6 21. Rfd1
f5 22. Nxf5 exf5 23. Qxf5 h5 24. Qxf7 h4 25. h3 hxg3 26. f5 Qf2 0-1
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beram
Posts: 1187
Joined: Wed Jan 06, 2010 3:11 pm

Re: Round 24

Post by beram »

velmarin wrote:One play before this game is on the basis of Chessbase 2010.


[d]rnbqkb1r/p4p1p/2p1pp2/1p6/P1pP4/2N2NP1/1P2PP1P/R2QKB1R b KQkq - 0 8


pgn:

Code: Select all

[Event "Kuala Lumpur op 4th"]
[Site "Kuala Lumpur"]
[Date "2007.08.22"]
[Round "6"]
[White "Abang, Mohd Reduan"]
[Black "Lim Yee Weng"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "2136"]
[BlackElo "2336"]
[PlyCount "52"]
[EventDate "2007.08.20"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "MAS"]
[Source "ChessBase"]
[SourceDate "2007.11.01"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 dxc4 6. a4 b5 7. Bxf6 gxf6 8. g3
Qb6 9. Bg2 Bb7 10. O-O a6 11. e4 Bb4 12. Nh4 Nd7 13. Na2 Be7 14. d5 O-O-O 15.
axb5 cxb5 16. b3 Ne5 17. bxc4 Nxc4 18. Qh5 Ne5 19. Kh1 Kb8 20. f4 Ng6 21. Rfd1
f5 22. Nxf5 exf5 23. Qxf5 h5 24. Qxf7 h4 25. h3 hxg3 26. f5 Qf2 0-1
Found it, of course with Shirov as black ;-)

[Event "Governor's Cup"]
[Site "Saratov RUS"]
[Date "2011.10.15"]
[Round "7"]
[White "Eljanov, Pavel"]
[Black "Shirov, Alexei"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2683"]
[BlackElo "2713"]
[ECO "D44"]
[Opening "QGD semi-Slav"]
[Variation "5.Bg5 dc"]
[WhiteFideId "14102951"]
[BlackFideId "2209390"]
[EventDate "2011.10.08"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. a4 b5 7. Bxf6 gxf6 8. g3
b4 9. Ne4 f5 10. Nc5 Qd5 11. Rc1 Bxc5 12. dxc5 Nd7 13. Qd4 Qxd4 14. Nxd4 Nxc5
15. Bg2 Bd7 16. Rxc4 Nxa4 17. Rxb4 c5 18. Rxa4 Bxa4 19. Bxa8 Kd7 20. Kd2 Rxa8
21. Ra1 Bc6 22. Nb3 c4 23. Nc5+ Kd6 24. Na6 Bb5 25. Kc3 Kc6 26. Nb4+ Kc5 27. Nc2
a5 28. Ne3 a4 29. Nc2 Rb8 30. Nb4 Rd8 31. Na2 h5 32. Kc2 h4 33. Nc3 Rh8 34.
Nxa4+ Bxa4+ 35. Rxa4 hxg3 36. hxg3 Rh2 37. Kc3 Rxf2 38. Rxc4+ Kd5 39. Rd4+ Ke5
40. Rd2 Rg2 41. b4 Rxg3+ 42. Kc4 Rg1 43. b5 Rc1+ 44. Kb4 f4 45. b6 Rb1+ 46. Kc5
f5 47. Kc6 Ke4 48. Rd3 Rb2 49. Kc5 Rc2+ 50. Kd6 Rb2 51. Kc5 1/2-1/2
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