[Retros] A different kind of retro problem...

Noam Elkies elkies at math.harvard.edu
Sat Feb 6 10:16:29 EST 2010


Seen on chessbase.com <www.chessbase.com/newsdetail.asp?newsid=6110>:
a position from actual play with the questions:

The black knight is attacked, but onto which square it should go now
is only one question (A). The other interesting issue is:

(B) what was actually White's last (and best!) move, as a reaction to

(C) which black move?

What do you think, Watson?

Note that the pawn structure and wNd4 indicate that this is a
Sicilian middlegame, which argues against the obvious retraction
0 e3-e4.

NDE



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