Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: CCT Notes

Author: Vasik Rajlich

Date: 03:03:20 02/14/05

Go up one level in this thread


On February 13, 2005 at 17:30:24, Anthony Cozzie wrote:

>Game Summaries:
>
>Game 1:  Fafis - Zappa (0 - 1) (Forfeit).
>
>Rafael either slept in or had internet problems.  I was a bit disappointed at
>not getting to play, but at the same time I was happy not to have to play Fafis,
>which by all accounts is quite strong for its seeding.
>
>Game 2: Zappa - Hossa (1 - 0)
>
>Hossa played the French defense, and Zappa accumulated what it thought was a
>good position before missing something and dropping to a draw score.  Hossa
>blundered with Kh6 [I have to admit that Zappa expected this move :(] and Zappa
>was able to win with a nice combination in the following position:
>
>[D]8/p2Q3p/1p4pk/4q3/3p1NP1/1P3P2/P6K/8 w - - 0 43
>
>Here white wins with the (simple for computers) Qxd4 Qxd4 g5! and white gets the
>Queen back by knight fork with an easy ending.
>
>Game 3: Amateur - Zappa (0 - 1)
>
>A sicilian.  Amateur's mistake was probably a5 instead of h4, and after that
>Zappa was never really in any trouble and gradually increased its advantage
>until getting the full point.
>
>Game 4: Zappa - Fruit (1 - 0)
>
>Zappa foolishly traded its dark squared bishop on move 10 in the Nimzo, but
>Fruit recaptured with the g pawn rather than the Queen (=).  Zappa then managed
>to open the f file and line up ever single major piece against Fruit's King.
>
>[D]4b2r/3q3k/r3p2p/2p1pp2/p1P1P2Q/P4RR1/1P2B1PP/6K1 w - - 0 34
>
>Fruit realized the trouble too late, and was forced to give 2 pawns.  The
>endgame was still not trivial to win until Fruit dropped into a lost KRPPKR
>ending.  It was actually quite instructive to watch the tablebases play it out
>and grind out the mate in 40.
>
>Game 5: SOS - Zappa (0 - 1)
>
>A closed Sicilian, where SOS played passively and Zappa took control of the open
>files and won behind its strong heavy pieces.  Not much to report here, aside
>from the fact that I had serious trouble sleeping after this game due to an
>excess of nervous energy:)
>
>Game 6: Zappa - Pharaon (1 - 0)
>
>This and the game against Movei were by far my favorite games of the tournament.
> Arturo decided to play a sideline here (6. g3) rather than Be2, because after
>Be2 Pharaon had scored very well in recent games. Zappa played correctly (g4,
>e5) but I think Pharaon blundered with f6 instead of g6+Ng7:
>
>[D]r3nrk1/1pqbbppp/p3p3/3pP1P1/Pn3P2/1NN1B3/1PP3BP/R2Q1RK1 b - - 0 15
>
>This allowed Zappa to open the position with gxf6 and f5! while Pharaon's pieces
>were still badly placed.
>
>[D]r4r1k/1pq1b1np/p7/4pb2/Pn2B3/1NN1B3/1PP4P/R2Q1R1K w - - 0 24
>
>Here Zappa sacrificed the exchange with Rxf5!?, but by move 33 it had won back
>the exchange with a superior ending due to Pharaon's weak pawnstructure:
>
>[D]5r1k/6n1/p1pb2p1/4p1B1/P7/1N6/1PP4P/6RK w - - 0 34
>
>Pharaon then gave the exchange for 2 pawns leading to the following position,
>which I believe is won for white:
>
>[D]8/8/p1p3pk/4pn2/P7/1Nb2K2/7P/1R6 w - - 0 42
>
>But Zappa misplayed it, and came to the following study like position:
>
>[D]8/8/6R1/pKp5/Pb5k/8/8/8 w - - 0 53
>
>Now Zappa was happy due to Black's offside king, but the question is whether or
>not White can win here.  The straightforward Rg6-c6xc5 fails by one tempo.  The
>question is whether or not white can win by moving the K to the Kingside, making
>mating threats, and winning a pawn, while still not allowing the Black king to
>escape.  I personally believe it is a draw, but Pharaon blundered and Zappa was
>able to win.  Despite some errors, I think the game itself was one of the most
>entertaining of the tournament.
>
>Game 7: Movei - Zappa (0 - 1)
>
>Another Sicilian.  Movei blundered with axb4, and then Zappa sacrificed an
>exchange with axb5:
>
>[D]r1b2rk1/2q2ppp/p2bp3/1N1n4/1n3PP1/1N1BBQ2/1PP4P/R4RK1 b - - 0 17
>
>Zappa got a lot of pressure against movei's King, and the game was over quickly.
>
>Game 8: Zappa - Thinker (1/2)
>
>Zappa's only draw; it again played Bxf6 in the Nimzo and got closed position
>where both engines were clueless.  A draw after another 70 boring moves or so.
>
>Game 9: Ikarus - Zappa (1 - 0)
>
>Scotch Game.  Ikarus played well, while Zappa overestimated its counterplay
>against the white king.  I spent most the time talking to Dan Heisman on the
>phone, so I missed most of the game, which is perhaps just as well :)  Zappa
>tried to slip its way out of the net but Ikarus brought home the full point.  I
>think it will do quite well in Paderborn; we shall see.  The competition there
>is a bit tougher :)
>
>Despite the loss in the final round Zappa managed to win clear first place by a
>slender 1/2 point.
>
>
>
>Notes:
>
>I will update the website and the version of Zappa pretty soon.  Arturo wants to
>create a public book for Zappa, so when that is finished the tournament version
>of Zappa (1.0) will be released.  I will also compile a version of Zappa with
>Cygwin so that it will run on an Athlon.  I think a lot of you will be quite
>disappointed, as the public version A) won't run on a dual opteron and B) won't
>include Arturo's excellent tournament book.
>
>A number of my predictions turned out pretty well:  Chepla, Spike, and DanChess
>did much better than a lot of people expected, and I knew Ikarus was going to be
>trouble :(
>
>I was also pretty impressed by the Polish chess engines; Poland is not exactly a
>country I associate with high technology, but there you have it :)  Matacz and
>Gosu both did well, and Mridul also did very well as the sole representative of
>India.
>
>I think I might have also won the "most lines to channel 64" title, although we
>would need an actual count to make sure, since Vincent and Enrico gave me stiff
>competition there.
>
>CCC members tend to underestimate the effect of the book, but Arturo's book was
>quite important.  I did not get a single lost position out of book (or even a
>tough position), which is extremely important for a tournament of only 9 rounds.
>
>It was pretty cool to be interviewed by Chess.fm (what does that stand for
>anyway?).  I was never the most athletic child and was never in the school paper
>for sports, so it was nice to get a bit of the celebrity treatment.  Sadly, I
>don't think I'll have the same sex appeal of Matt Leinart :)
>
>
>Lastly:
>
>A big thanks to Peter for organizing the tournament (believe me, I know how much
>work it is), and to Schroer and Heisman for their commentary.  Both are always
>interesting and funny.  I am (obviously) extremely happy with Zappa's first
>tournament win.  I had worried that Zappa used up all of its luck last year, but
>it seems to have had just enough left in the tank.
>
>anthony

Congratulations! I'm looking forward to Zappa 1.0 ...

Vas



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.