Hiarcs learns a lesson

7/25/2002 – IM Jefferson Pelikian was cruising through the Republica Argentina tournament without a single loss. Then, in round seven, he met Hiarcs 8.0. Pelikian tried to repeat the computer's loss to Roselli in round five, but Hiarcs had apparently learnt its lesson. It played a startling novelty and won the game in convincing fashion. Read all about it in the illustrated report by Roberto Alvarez.

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Republica Argentina Chess Master 2002

A computer program, Hiarcs 8.0, is the star of this year's annual Republica Chess Master in Argentina. This is not surprising, since already in 2001 it was Chess Tiger won the same tournament by a margin of two points, achieved a GM norm and was elected "winner of the month" by Germany's largest computer magazine (Porsche was the loser).

The tournament is being held from July 19 to 27. You will find the reports (in Spanish) and games at the official web site. You can buy Hiarcs and Chess Tiger in the ChessBase Shop.

Report after round seven

Hiarcs stops IM Pelikian

By Roberto Alvarez


Hiarcs 8 vs Jefferson Pelikian

The tournament has passed its first half. Hiarcs 8, playing with the black pieces, scored an important win over Brasilian IM Jefferson Pelikian, who untill then remained unbeated. The game started with 1.e4, and after the French Defense chosen by the computer, White wanted to transpose the game to a King's Indian Attack. This was the same opening in which Roselli beated the "monster". But this time, Hiarcs 8, learning from its previous defeat, improved its play very much. With 10...g5! Black put a question mark (or at least a dubious symbol) to the early advance e4-e5. Then, with energetic play, Hiarcs got a wonderful game, wone a pawn at move 17. The decisive advantage was quickly turned into a win, and White resigned in a lost position at move 33.


Oscar Panno in his game against Sergio Slipak

The tournament leader, GM Oscar Panno, drew his game against GM Sergio Slipak after 19 moves of an English Opening. Panno remains at the top of the table. Roselli had a rest day and keep his chances to fight for the GM norm and the first place intact. GM Andres Rodriguez won another game, and he is closer to the leaders. After 35 moves of an Italian Opening, the Uruguayan beated IM Carlos Paglilla, after he made a serious blunder, which will allow White to win a piece. This caused his immediate resignation.

IM Diego Valerga recovered very well, and after his win over IM Enrique Scarella (King's Indian Defense, 48 moves), he still has some chances to catch his 2nd GM norm. Hugo Spangenberg is indeed playing much under his possibilities, and drew against Sebastian Granara, after the youngest participant missed a clear win.

All the games played so far in PGN

V Rep.Argentina  2002 - FIDE crosstable
1 2 3 4 5 6 7 8 9 0 1 1 Panno,Oscar 2480 +140 * ½ 1 1 1 ½ ½ ½ 5.0/7 2 Roselli,Bernardo 2426 +225 * 1 ½ ½ 1 ½ 1 4.5/6 3 Pelikian,Jefferson 2409 +80 * 0 ½ 1 ½ ½ ½ 1 4.0/7 4 COMP Hiacs 8.0 2600 -94 ½ 0 1 * ½ 1 ½ 3.5/6 11.25 5 Rodriguez,Andres 2467 -6 0 ½ * ½ 1 ½ 1 3.5/6 8.50 6 Valerga,Diego 2487 -26 0 ½ 0 ½ * 1 1 3.0/6 7 Granara,Sebastian 2261 +83 0 ½ ½ ½ * ½ 0 ½ 2.5/7 8.50 8 Spangenberg,Hugo 2512 -171 ½ 0 ½ 0 ½ * 1 2.5/6 8.25 9 Slipak,Sergio 2493 -113 ½ ½ 0 0 1 * ½ 2.5/6 8.00 10 Scarella,Enrique 2358 +1 ½ ½ 0 ½ 0 * 1 2.5/6 6.50 11 Paglilla,Carlos 2381 -150 ½ 0 0 ½ 0 ½ 0 * 1.5/7 V Rep.Argentina 2002 - Prize Distribution Crosstable 1 2 3 4 5 6 7 8 9 0 1 1 Slipak,Sergio 2493 * 1 1 0 1 3 0 6.0/6 2 Roselli,Bernardo 2426 1 * 3 3 1 1 3 12.0/6 3 Paglilla,Carlos 2381 1 0 * 1 1 0 0 0 3.0/7 4 COMP Hiacs 8.0, 2600 3 0 1 * 1 3 1 9.0/6 5 Panno,Oscar 2480 1 1 1 * 3 3 3 1 13.0/7 6 Pelikian,Jefferson 2409 3 0 * 1 1 3 1 1 10.0/7 7 Granara,Sebastian 2261 0 1 0 1 * 1 1 1 5.0/7 8 Scarella,Enrique 2358 3 1 1 * 0 1 0 6.0/6 9 Valerga,Diego 2487 3 1 1 0 0 3 * 8.0/6 10 Rodriguez,Andres 2467 3 0 1 1 1 * 3 9.0/6 11 Spangenberg,Hugo 2512 0 1 1 1 3 0 * 6.0/6 (win=3, draw=1, loss=0)

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