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Ahmed Adly vs Georg Meier
World Junior Championship (2007), Yerevan ARM, rd 13, Oct-16
King's Indian Attack: Yugoslav Variation (A07)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
Oct-17-07  nummerzwei: I suppose Meier didn´t really want to fight for first place, but simply draw and go home with a good result. Otherwise, I think, he would have played a more active system against Adly´s King´s Indian Attack. Perhaps he was also surprised by ´his opponent´s choice of opening.

10.a3 is very quiet. Normally, white delays the movement of the queenside pawns until black plays a5 and instead he completes his development, fo example with 10.Qc2. I think Hickl has played in a similar way. 11.e4 is quite typical, but it is also a radical move of white´s.

I don´t see how black should play on without 12...a5, but it is clear that it weakened black´s queenside becaue the pawn had to be protected later on.

Because of Adly´s great play on both flanks (it´s nice to see how he uses both his "b" and his "e" pawn),black saw himself compelled to play g6 on move 24. It makes sense to look for an improvement before 24.Nh4, perhaps 17...Nc7 was one of them.

Oct-17-07
Premium Chessgames Member
  whiteshark: Looks like <Adler> vs <Geier> to me. Such a fight will have an ambiguous ending, too.

:D

Oct-17-07  nummerzwei: You´re probably right.

:)

Oct-17-07  notyetagm: Position after 41 ... ♘f8-e6??:


click for larger view

GM Adly playing White wins the 2007 World Junior Championship when Black blunders with 41 ... ♘f8-e6??, <OVERWORKING> his Black d4-knight.

The Black e6-knight has two attackers (White c4-queen and White c4-bishop) versus two defenders (Black d4-knight and Black e7-queen) so this piece is <LOOSE>. The Black c6-pawn has one attacker (White a6-rook) versus one defender (Black d4-knight), so this pawn is also <LOOSE>. The Black d4-knight is thus simply <OVERWORKED>, having to <DEFEND> both the Black e6-knight -and- Black c6-pawn.

After 42 ♗g4x♘e6 ♕e7x♗e6 43 ♕c4x♕e6 ♘d4x♕e6 <deflection from c6> 44 ♖a6xc6,


click for larger view

White has won a valuable outside passed b-pawn which wins the game and the World Junior Championship.

Oct-17-07  notyetagm: Note the pressure created by the <NONRECIPROCAL CONTACTS> in the diagram below, which occurs after Black's blunder 41 ... ♘f8-e6??.

Position after 41 ... ♘f8-e6??:


click for larger view

The White c4-queen and c4-bishop threaten to capture the Black e6-knight, but the Black e6-knight threatens neither the White c4-queen nor the White c4-bishop. The White a6-rook threatens the Black c6-pawn but the Black c6-pawn does not threaten the White a6-rook. White thus has threats of taking both the Black e6-knight and the Black c6-pawn, which <TIES DOWN> Black pieces to their defense. Meanwhile Black has no corresponding threats against White's forces.

This pressure causes Black to blunder with 41 ... ♘f8-e6??, <OVERWORKING> the Black d4-knight and dropping the critical Black c6-pawn, which was the only Black pawn preventing the White b4-pawn from becoming a deadly <PASSED PAWN>.

I first noticed this <NONRECIPROCAL CONTACT> idea in the games of <<<GM Michael Adams>>>. His pieces -always- seem to be attacking the enemy's forces on squares from which they themselves are immune from capture.

Oct-17-07  notyetagm: Game Collection: Grooming passed pawns for promotion

Position after 50 ♗c5-d6:


click for larger view

GM Adly (White) supports his powerful White b6-passed pawn with all three of his pieces: the White c6-rook, White c4-knight, and White d6-bishop.

Needless to say, with all of this coordinated effort, the passed White b6-pawn wins the game and with it the 2007 World Junior Championship.

Jul-17-09  WhiteRook48: 51...Rh8+
Sep-07-14  Artaraxl: Meier suffered from food poisoning before this game according to chess24 (https://chess24.com/en/read/players...). That could explain the poor effort.
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