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Pocket Mutation Chess. Take one of your pieces off the board, maybe change it, keep it in reserve, and drop it on the board later. (8x8, Cells: 64) (Recognized!)[All Comments] [Add Comment or Rating]
Kevin Pacey wrote on Tue, Oct 3, 2017 01:47 AM UTC:Excellent ★★★★★

Excellent concept. One can quibble about the class certain pieces ought to be in, and the extra basic rules are slightly complex, but cool variant.

My tentative estimates for the piece values of this variant are: Class 1: P=1; Class 2: N=3.5, B=3.5; Class 3: R=5.5, NN=5.75, SB=6; Class 4: C=7.5, SR=8; Class 5: Q=10, M=10, SC=10, CC=10.25; Class 6: MM=12.25, SM=12.5, SCC=12.75; Class 7: A=14.5, SMM=14.75; Class 8: AA=16.75. Note that I tend to agree with various world class chess players who historically gave the fighting value of K=4 for on an 8x8 board. I also tend to agree with chess authorities who in the past valued a B microscopically better than a N on average, so perhaps a better value for a N (or the N component portion of any of the appropriate compound pieces listed above) might be, say, 3.49, to reflect this belief, though I prefer not to use ugly fractions when thinking of most piece exchange value calculations that might arise.