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Normal Topic Cato-Kann 4. ...Nd7+5. ...Nb6 (Read 3350 times)
gewgaw
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Re: Cato-Kann 4. ...Nd7+5. ...Nb6
Reply #2 - 12/14/19 at 22:13:50
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Ah, no one wants to dig in...
My thoughts:
- 7. ...h6 8.Nxf7 Kxf7 9.Nf4 - garbage or alpha zero sacrifice, difficult to deceide over the board
- 7. ...g6 8.c3 Bg7 9.Nf4 0-0 10.h4 - FEAR!

So, over the board I hesitated to move my pawns on the kingside and played this artificial ...a5, when 8.c3! would be very unpleasent for me, but he played 8.0-0, a good move, of course, but now 8. ...g6 felt playable, due to no h2-h4-h5 attack with Rh1.
  
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Re: Cato-Kann 4. ...Nd7+5. ...Nb6
Reply #1 - 12/12/19 at 20:11:13
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Not now, Cato, you fool!

I'll take a stab at your hidden thoughts. Black is planning to allow the b6-knight to be driven to a6. So 7...a5 is prophylaxis against b2-b4, following that "maneuver".
  
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gewgaw
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Cato-Kann 4. ...Nd7+5. ...Nb6
12/12/19 at 18:32:54
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Hi all,

I introduced a "bombastic" novelty on move seven, who can explain the hidden thoughts on it?  Wink Wink

1.e4 c6 2.d4 d5 3.Nc3 de4 4.Ne4 Nd7 5.Ng5 Nb6 6.Bd3 Nf6 7.Ne2 a5N
In 1988, Karpov introduced 5. ... Nb6!?, but it was never popular, any reason why.
  
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