What is the TOTAL VALUE of the square? P = M + S

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What is the TOTAL VALUE of the square? P = M + S
Compiled by notyetagm

P = <M> + <S>

where

P = profit
<M> = material
<S> = significance of square

---

The <TOTAL VALUE (TV)> of a square is the *sum* of

1) the value of the <MATERIAL> on that square (♙♘♗♖♕)

2) the value of the <SQUARE> <*ITSELF*> (mating sq, checking sq, interference sq, forking sq, promotion sq, etc.)

This is exactly why a <RABID PAWN> is so dangerous: the <TOTAL VALUE (TV)> of the h8-square, for example, is the Black h8-rook *PLUS* the h8-promotion sq (a new White h8-queen).

16 ... Be7-b4+!
Karpov vs Judit Polgar, 2003
(E12) Queen's Indian, 33 moves, 0-1
30 ... Re2-e3!! blocks line not to f3-knight but f3-sq for mate
Anand vs Aronian, 2008
(C89) Ruy Lopez, Marshall, 34 moves, 0-1
32 Rg1-g6!! Black f7-queen must defend f8-rook,MATING SQUARE
Judit Polgar vs Gelfand, 2009
(C24) Bishop's Opening, 32 moves, 1-0
31 ... Nd5-f4+!
Naiditsch vs A Korobov, 2010
(B94) Sicilian, Najdorf, 32 moves, 0-1
40 Qa3-a4! Black d4-queen must protect d8-promo,MATING SQUARE
Svidler vs T Nyback, 2009
(C84) Ruy Lopez, Closed, 41 moves, 1-0
28 Rd4-d5! a3-queen pins c5-pawn to undef e7-rook,FORKING SQ
Carlsen vs V Cmilyte, 2009
(A88) Dutch, Leningrad, Main Variation with c6, 31 moves, 1-0
29 Rf6-f8! attacks defender not of Black c7-pawn but c7-mate sq
S Novikov vs Efimenko, 2010
(A29) English, Four Knights, Kingside Fianchetto, 34 moves, 1-0
Nakamura vs Ni Hua, 2009
(D11) Queen's Gambit Declined Slav, 46 moves, 1/2-1/2
20 Rd1-d6! blocks defender of e6-bishop + e6-checking square
Aronian vs J Smeets, 2010
(D10) Queen's Gambit Declined Slav, 37 moves, 1-0
9 games

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