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Oscar de la Riva Aguado vs Ruslan Ponomariov
Pamplona International (2005), ?, rd 6, Dec-28
Sicilian Defense: French Variation. Westerinen Attack (B40)  ·  0-1



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Kibitzer's Corner
Jan-06-06  ReikiMaster: After 3.b3 it's white who first abandons the long diagonal having achieved nothing. 11...Bxc4 creates a double pawn which gains gradually importance as white's greatest handicap.
Jan-06-06  Jim Bartle: Theoretically, what are the odds between a 2700 and a 2550. What % of the time should the 2700 win?
Premium Chessgames Member
  benveniste: Despite the doubled pawn, I see the game as about equal until move 39. At that point White seems to be unwilling to break up those pretty pawn chains and instead makes a bunch of meaningless King moves.

With the bishop poorly positioned, this gives Ponomariov all the time he needs to get his knight into the thick of things and use the extra king side pawn.

Jan-06-06  Shams: <Jim Bartle> not exactly sure but I do know a 200 point rating differential means the higher rated player should score 3/4. So, I'd say somewhere around 2.8/4 would be expected.

<benveniste> well, what could you make of the bishop? there's nothing for it to do. I think you underestimate black's chances -- Ponomariov had masterful judgement that the knight would outplay the bishop. I'm not a fan but Ponomariov's mercurial style is really attractive at times. He seems at home in all sorts of positions.

Premium Chessgames Member
  benveniste: <Shams> At move 39, I suggest that White start to attack the K-side pawn chain, either with Qg5 or h5. That would open things up for the bishop.
Jan-09-06  sharkbenjamin: This is a very good demonstration that an ending of Queen and Knight against Queen and Bishop is to the side with the knight. Also the doubled pawns were a major handicap.
Jan-09-06  Shams: <benveniste> it's not so simple, after 39.Qg5 <any> 40.h5 black can just sit tight and let white trade on g5. White will have to play g2-g4 to try to open things, but black will meet this with ...f4. The bishop is impotent.
Jan-11-06  bumpmobile: <Jim Bartle: Theoretically, what are the odds between a 2700 and a 2550. What % of the time should the 2700 win?> I asked that question over a year ago on the kibitzers cafe and put together a good list of win percentages based on ELO discrepancies. I will look for the page and repost.
Jan-11-06  bumpmobile: Found it. The Kibitzer's Café
Jan-11-06  Jim Bartle: Amazing. If you're outrated by more than a hundred points, you have at best a 1 in 8 chance of winning. Had no idea.

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