Tigran Vartanovich Petrosian vs Georgy Konstantinovich Borisenko (1964)

Tigran Vartanovich Petrosian vs Georgy Konstantinovich Borisenko
Team ch URS ( 1/2 ) 1964 · English Opening: Agincourt Defense. Keres Defense (A14) · 1-0

To move:

Last move:

explore this opening	find similar games	4 more Petrosian/G Borisenko games
sac: 34.Ng5	PGN: download \| view	Help: general \| java-troubleshooting

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Aug-31-06		notyetagm: Petrosian exploits a nasty <LATERAL PIN> on the Black f6-pawn across the 6th rank with 34 g5! fxg5 35 b6-g6. Black has to resign just like that since he cannot meet the threat of xg7#. Another example of the danger of loose squares near your king that the enemy's pieces can coordinate on. The White queen's arrival on g6 coordinates with the White 7th-rank rook on the loose g7-square, creating a mate threat which Black cannot meet. Since there was no Black f7- or h7-pawn to keep the White queen out of the g6-square by <DEFENDING> it, this task fell to the Black f6-pawn, which meets the threatened queen thrust by <BLOCKING> the 6th rank. The Black f6-pawn simply cannot both <BLOCK> the 6th-rank and <DEFEND> the g5-square, keeping the White f3-knight out.

Aug-31-06		notyetagm: Note that the defense 35 ... d7 is refuted by 36 d5+ h8 (36 ... f8 37 f7#; 36 ... e6 37 xg7#;) 37 xh5#. 35 ... d7 36 d5+: 36 ... f8 37 f7# 36 ... e6 37 xg7# 36 ... h8 37 xh5#

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