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Subject: Rd 7 Advance Comments: Ikarus - Rybka

Author: Stephen A. Boak

Date: 15:37:55 12/29/05

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OBSERVATIONS (TOP LEVEL - NO DETAILED GAME & MOVE ANALYSES)

Ikarus will have White against Rybka.

IKARUS OBSERVATIONS

Despite being tied for Places 5-7, Ikarus has only lost one (1) game out of (6),
and that occurred when it had Black [vs Gandalf].  It has not lost as White.

Conclusion: Ikarus is a tough opponent, particularly as White.

IKARUS AS WHITE

As White, Ikarus beat Spike and achieved only draws against Zappa & Fruit.
67% score and no losses for Ikarus as White.

Conclusion: As White, Ikarus is very tough.  Rybka will have its hands full to
win as Black vs Ikarus.

REFERENCE--IKARUS AS BLACK

As Black, Ikarus's beat Isichess & drew Shredder.  Ikarus's only loss was as
Black, to Gandalf.  50% score for Ikarus as Black.

Drawing Shredder, as Black, is an accomplishment.  Rybka could only draw
Shredder, and Rybka had White.  Ikarus result vs Shredder is thus more
impressive.

Conclusion: Ikarus is tough, even when a tempo behind, but against Rybka it will
have the extra (first move) tempo.

RYBKA OBSERVATIONS

RYBKA AS BLACK

As Black, Rybka beat Zappa and lost to Spike.  50% score as Black for Rybka.
Rybka can be unpredictable when down a tempo (playing Black).

Conclusion: Rybka is tough as Black (as in win vs Zappa), but can lose.  Ikarus
will have to avoid losing with White like Zappa did.

REFERENCE--RYBKA AS WHITE

As White, Rybka beat Gandalf, Jonny & Argonaut, and drew with Shredder.  Superb
87% score as White (with the extra tempo) for Rybka.

COMMENTS ON FIELD WITH OVER 50% SCORE AFTER 6 ROUNDS

Seven players have over 50% score.  Six of them have lost only one game.  Only
Spike has lost two games (but it won all four other games).

Ikarus has played the formidable Zappa, Fruit, Shredder & Spike in this
tournament, without a loss, .  It beat Spike and drew with Zappa, Fruit &
Shredder, for a +1 Score against these four tough opponents.

Conclusion: Ikarus can play tough opponents and achieve at least a draw.

BOTTOM CONCLUSION

Conclusion: Rybka may have a tough time to win.  Ikarus may have to battle to
avoid a loss.

Ikarus tough to beat as White; Rybka erratic as Black and may slip in certain
endgames.

Result could go either way, but Draw most likely, IMO.

A lot depends on the opening and resulting middlegame postion the engines find
themselves in.  Relative endgame skills could be a half-point factor if no
decision by middlegame.

Game will be fascinating to watch.

--Steve



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