Chessmaster mistakes

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Avatar of pompom

I found 3 mistakes in Josh Waitzkin's tutorials.  The first one is this position.

 

This one is in part 1 in the Mastery Quiz, page 10.  Josh Waitzkin showed it as mate in 4, but it could be done in 2 moves.
The next one is on that same lesson on page 14.
He showed mate in 5, but it is actually mate in 4.
The third one is page 5 in the "Removing the Defender" lesson.
The correct answer wins a queen for a rook, but you could have won a whole queen.
Avatar of Chapter_Eleven

I don't understand the third pic.  You win a whole queen, but you would not have mate in 4 at that rate.  What am I missing?

Avatar of pompom
Romans920 wrote:

I don't understand the third pic.  You win a whole queen, but you would not have mate in 4 at that rate.  What am I missing?


You win a whole queen.  You don't mate in four.

Avatar of Sigmoid_Flexure

Regarding the first 2: is he just trying to teach the simple staircase? He doesn't mention possible quicker ways to #? (Silman presents both the simple #'s and the quicker variations in his end game book)

Avatar of pompom
Sigmoid_Flexure wrote:

Regarding the first 2: is he just trying to teach the simple staircase? He doesn't mention possible quicker ways to #? (Silman presents both the simple #'s and the quicker variations in his end game book)


Yes, I think he is just trying to teach the staircase.

Avatar of clinttherakam

I thought it was called the electric fence.....am i mistaken

Avatar of pompom

There's a lot of ways they call it, I actually call it the "rook roller".

Avatar of clinttherakam

Fair call...

Avatar of chessmaster12344

... wow...

Avatar of clinttherakam

Yeah the last pic isn't wrong, if you play what the guy does, you will either have a mate or be a rook and queen up...

Avatar of clinttherakam

In fact I don't get how any of them are mistaken, they all get the mate in the quickest possible way.

Am I missing something?

Avatar of pompom
clinttherakam wrote:

In fact I don't get how any of them are mistaken, they all get the mate in the quickest possible way.

Am I missing something?


The moves in chessmaster are in the variations.

Avatar of clinttherakam

So like the second quickest way to mate?

Avatar of jjupiter6

As much as an 11 year old thread for obsolete software can be, I guess.

Avatar of TheBaconEater

I doubt it was a mistake, they all demonstrate ladder mates. Betting dollars to donuts they weren’t trying to show fastest mate, but how to walk the rooms down together.

Avatar of RorschachTest1
jjupiter6 wrote:

As much as an 11 year old thread for obsolete software can be, I guess.

how do you explain this then? grin.png