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Think of Falcon as having all the Pawn's moves, 1 or 2 straight, 1 or 2 diagonal, the very last of those concatenated over two moves, for example, two Pawn captures in back-to-back moves, as e3xd4 then d4xc5 by the same Pawn capturing twice. That could happen also in dual-move CVs in only one turn. Falcon was ''two-way'' multi-path from January 1988 until December 1992. Then Vera Cole and I were talking about what expansion to 8x10 would mean, and all of the sudden it was realized there was middle path, S-D-S and D-S-D, to the same never-used squares of very old Camel and more-recent 19th-Century Zebra. So, the standards became D-D-S, D-S-S, S-S-D, and S-D-D with then the newest ones called split block and split diagonal, the above DSD and SDS, making all attainable squares three-way, the three-fold way established. Now actual claims USP5690334 numbering 20 retain, by the way they are worded, the (incomplete) two-way Falcon along with three-way Falcon. Lengthy claims have never appeared in CVPage, and are immediately accessible through USPTO site. The discovered first of the 4 fundamental Chess pieces, the mathematical template from which Bishop, Knight and Rook derive, has characteristics of each of those three she makes possible, and moreover traits of Western Pawn embedded in Falcon's very logic and unfolding. Incidentally, it takes all three pathways for accurate mathematical complementarity, but that would be for longer demonstration than room here allows. In this way over-all, Falcon interfaces and links Pawn and Piece, tying all the normal units together.