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<span id="SquareControl"></span>
==Square Control==
(ii) The value of the squares "[[Attacks|attacked]]" by White's pieces. A typical square scores 1, one of the four central squares 2, and a square adjacent to the Black King 3. Each White piece is considered in turn, and the value of the squares to which that piece might legally move (whether or not that square is occupied by a piece) added up. Thus an opening move of e4 increases the value by 8 (4 new squares attacked by the Bishop, 3 by the Queen, plus 1 because the Pawn now attacks a central square). Three other opening moves, e3, Nf3, Nc3, also score plus 8, and no more scores more. In such cases SOMA decides by tossing a coin.<span id="SwapOff"></span>
==Swap-off Value==
(iii) The expected gain or loss if pieces en prise are captured. SOMA first calculates the "swap-off value" S for each piece, Black or White, which is en prise. S is a simple function of the value of the piece itself and of those which attack or defend it; it represents what the owner of the piece would lose if both players behaved efficiently.
=See also=
* [[Attack and Defend Maps#EDsLookup|Ed's Lookup]] from [[Attack and Defend Maps]]
* [[Machiavelli]]
* [https://en.wikipedia.org/wiki/Perikaryon Perikaryon from Wikipedia]
* [https://en.wikipedia.org/wiki/Soma_cube Soma cube from Wikipedia]
* [https[://en.wikipedia.org/wiki/The_Smashing_Pumpkins Category:The Smashing Pumpkins|The Smashing Pumpkins]] - [https://en.wikipedia.org/wiki/Soma_%28song%29 Soma], [http://www.terminal5nyc.com/ Terminal 5], October 18, 2011, [https://en.wikipedia.org/wiki/YouTube YouTube] Video
: {{#evu:https://www.youtube.com/watch?v=LyxCbNgaCfA|alignment=left|valignment=top}}
'''[[Engines|Up one Level]]'''
[[Category:Acronym]]
[[Category:Paper Machine]]
[[Category:Quotes]]
[[Category:Spracklen Quotes]]
[[Category:The Smashing Pumpkins]]
