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Interference: Cutting the Communications
The Concept: Sacrifice a piece between an enemy attacker and its defender (or between two defenders). By blocking the line of sight, you leave one of the enemy pieces defenseless.
1. Final Twist
Nezhmetdinov vs. Kotkov
1. Re8+ Bxe8 (1... Qxe8 2. Qxf6#) 2. Qf8# (2. Qg8#)
The Rook interferes with the Queen's defense of f6.
The Rook interferes with the Queen's defense of f6.
2. The "Rook Splitter"
Stahlberg vs. Persitz
1.Bb8! {if Rfxb8 then 2.Qxb8+ mates, and any other move loses the rook on a8} 1...Raxb8 2.Qxb8
A classic example of placing a piece directly between two defending Rooks.
A classic example of placing a piece directly between two defending Rooks.
3. Blocking the Queen
Ivanovic vs. Popovic
1.h6+ Kh8 2.Be6! wins e.g. 2...d5 3.Qe5+ (or 2...Qxe6 3.Qf8+ Qg8 4.Qf6+ Qg7 5.Qxg7 mate)
4. Saemisch vs. Reindermann
Saemisch vs. Reindermann
1. Re7 Qxe7 (1... Nxe7 2. Qf7#) (1... Ne5 2. Rxe5 $16) 2. Qd5+ Qf7 3.Qxf7#
The Rook move to e7 interferes with the Queen's protection of the 7th rank.
The Rook move to e7 interferes with the Queen's protection of the 7th rank.
5. The Bishop Wedge
Kramnik vs. Topalov
1.Be7 Rb8 {nothing better} 2.Rxe4
Black resigned here because of the continuation: 2...fxe4 3.Bf6#
Black resigned here because of the continuation: 2...fxe4 3.Bf6#