White to move. How should white proceed?
Chess Daily News from Susan Polgar
Wednesday chess review
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White to move. How should white proceed?
I have been looking at different lines here:
A)
1. Rc7 Qf5
and there is no way to deflect Qf5from defending Nd7, so a2 pawn wins.
B)
1. Qc7+ Ke7
2. Qxe5 Nxe5
3. Ra1
I only find black up with a couple of pawns here, black looks better.
C) (The best I find till now)
1. Rc6+ Rxc6
2. dxc6 a1=Q
3. Qxd7+ Kc5
4. c7!
This wild line seems difficult to calculate, there are 3 queens on board, and may be 4 queens after next move.
Can black prevent c7 from queening? If not, white is actually up with a bishop for 2 pawns.
White has no other officers than queens, if giving one of them on c8 it may look good for white.
Or
4. … Qee1 (threating Qh1#, only direct attack)
5. c8=Q+ and white seems to win.
This is too hard.
Rook to C7 seems to finish off.
Rc7
1.Rc7,Qe7 2.Rxd7,Qxd7 3.Qf6+
Well, at least give it a try!
1. Rc6+ should lead to all kinds of problems for black.
1…Rxc6
2. dxc6 and if the queen protects the knight, then c7 1-0.
1. Rc7 Qe7
2. Rxd7+ Qxd7
3. Qf6+ Kc7
4. Qxa6
1-0
The position is even more tough for white than i thought.
1. Rc7 Qf5
2. Rxd7+ Ke5
after this move white finds itself in a pretty messy situation.
after spending a long time on the puzzle this is the best i can come up with 1.Rc7 Qe7 2.Rxd7+ Qxd7 3.Qf6+ Qe6! 4.dxe6 a1=Q 5.Qxf7 Qe5, 6.e7!! Qxe7 7.Qd5+ Kc7 8.Qb7+ winning the rook