GameKnot: Comments - Chess Tactics #49513

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CHESS TACTICS #49513

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hcajg77
30-May-12, 15:40

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Alternate

It says White's alternate is -0.51, but 3.Qb7+ is mate in four. Mate in 7 is a better alternate than -0.51.

sccadams
31-May-12, 13:58

I'm not really seeing it.

What did you do?

hcajg77
01-Jun-12, 15:03

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1. Qc6+ Kc8
2. Qb7+ Kd7
3. Qc6+ if Kc8
4. Qa6+ Kd7
5. Qe6#

if 3. ... Ke7
4. Qe6+ Kf8
5. Qf7#

sccadams
01-Jun-12, 15:42

Ah,

From move 4 on in your line is the same as move 2 on in the solution. The computer doesn't really consider wasted moves in the solution.

hcajg77
01-Jun-12, 15:44

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On one either puzzle or tactic (I forget which at the moment) it gave an alternate solution like mine

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