Nov

10

 This morning's lesson with my son involved a mate on the move problem with double check being the application.

The power of ++ is that it removes two of three methods of check deflection from the king's choices– interpose and capture and forces the king to move. Aron Nimzowitsch wrote that, "Even the laziest king flees wildly in the face of a double check." And I kept the lesson up as we waited for the bus adding on that the ++ always involves a discovered check (a surprise) and that it even gives the checking player a "tempo" in that the opponent is forced to flee and not make a truly organic move and now this lesson has percolated into thinking about markets.

Now in silver was the raise of requirements of margin the discovered check, and the piece that moved out to create that discovery was the price of silver itself? This example maybe doesn't work so well as a double check, but simply a discovered check. Or a certain stock was moving very aggressively higher and then a surprise downgrade premarket occurred. Was the potential downgrade that was aiming all along at the stock price hidden and then revealed at a critical time
For a double check scenario–maybe hike of margin requirements and a new contract amount limit rule being imposed at the same time would be more appropriate. Causing extreme contract liquidation (a move by the king only).

Double check in markets is interesting and in my opinion is associated with a negative ( a check) to the rising item. A surprise inclusion of a stock into an index combined with a stock split may be an upside example of double check. One more facet of double check is that the piece you move or even the piece giving the discovered check can be left enprise or at risk for the move, giving the ability to extend the piece's power and range –a springboard of sorts. A suspension of consequence for a short time.


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