Wednesday, 5 February 2014

Two positions - homework 3

Position 3.1
1.d4 Nf6 - This knight move leads to a group of defenses to d4 called the Indian defenses.
2.c4 e6, 3.Nc4 Bb4 is this is the Nimzo-Indian.
What would you play as White?  They are loads of options so there is no right or wrong answer.
What would you play as Black against White's next move?

Position 3.2

Black to play and win

Scroll down for hints, but 3.1 has no hint, as they is no right answer...

Last weeks answers

This is the start of the Ruy Lopez.  Black is attacking the e4 pawn, but this can be ignored with 5.0-0 after 5...Nxe4 6.Re1 will win the pawn back but 6.d4! is stronger as exd4 leaves the e-file open when Re1 is very very dangerous for Black as the knight is in peril.  Most Black players don't take on d4 and White takes the pawn on d5.
Note:5...Ne4 is known as the open variation, but Black has many other lines available to him.

The clue to this position are the White queen and King on the same diagonal.  Perfect for skewer or Pin.  We need the dark squared bishop for this maneuver, if the Black knight were somewhere else we would have 1...Bxf6!  Also winning the queen.  So we look for checks.  Nc7 doesn't work, 1...Nf6+ does 2.Nxf6 Bxf6 and wins

Hint 3.2
Loose pieces drop off - first get a loose piece on g5

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