The Chess Variant Pages



This page is written by the game's inventor, Abdul-Rahman Sibahi.

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Abdul-Rahman Sibahi wrote on 2007-06-29 UTC
I tried to calculate rough estimates for the values of the pieces, using the Safe Check principle. This is, simply put, if you place a piece and a King randomly on the board, the probability of that piece giving a 'safe check' to the King. For pieces like the Knight this like the movement estimation.

[[ The following calculations assume that the Querquisite on the e-file moves like a King, but the one on the D-file moves like a Queen. Any changes in the definitions of files (as in Fischer Random) might change the value of the Querquisite. ]]

I came out with these percentages :

  R= 15.7 %
  B= 8.7  %
  N= 7.9  %
  U= 10.8 %

And the Queen is simply the sum of its components. So are the Chancellor (Rook+Knight) and Archbishop (Bishop+Knight.) The Querquisite's compounds are a waste of time to calculate, since they're not practical.

Giving the Knight the absolute value of 3 Pawns, these are the values:

  N= 3   Pawns
  B= 3.3 Pawns
  R= 6   Pawns (However, as in normal Chess, I think they should be
                adjusted to 5 Pawns.)
  Q= 9.4 Pawns
  U= 4   Pawns

Out of curiosity, I computed the two Capablanca pieces on this board:

  A= 6.3 Pawns
  C= 9.4 Pawns

This seems about right. It's worth mentioning that the values would certainly change on a 10x8 board with these two Half-Ranks added.

The Querquisite, generally, is most mobile on the Rooks and Queen's files. Place it there.

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