Author: Dann Corbit
Date: 16:57:11 01/14/99
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On January 14, 1999 at 19:35:03, Mark Young wrote: >On January 14, 1999 at 13:22:16, Dann Corbit wrote: > >>It appears that H7 offers more EPD data fields than H6 when evaluating >>positions, which is wonderful. However, there is a flaw. The 'dep' entries >>should actually be 'acd' unless the standard has been changed. > >Clue me in, what do all the fields mean. I know what they are doing, I just >don't know what they stand for. The PGN standard goes over each field in detail. I may have jumped the gun on the compatibility claim. I assumed acd was standard, since S.J.E. wrote the EPD code in Crafty. It appears that neither dep nor acd is in the standard. It is obvious from context that both acd and dep mean ply depth. Here are the major headings from the PGN standard: 16.2.5.1: Opcode "acn": analysis count: nodes 16.2.5.2: Opcode "acs": analysis count: seconds 16.2.5.3: Opcode "am": avoid move(s) 16.2.5.4: Opcode "bm": best move(s) 16.2.5.5: Opcode "c0": comment (primary, also "c1" though "c9") 16.2.5.6: Opcode "ce": centipawn evaluation 16.2.5.7: Opcode "dm": direct mate fullmove count 16.2.5.8: Opcode "draw_accept": accept a draw offer 16.2.5.9: Opcode "draw_claim": claim a draw 16.2.5.10: Opcode "draw_offer": offer a draw 16.2.5.11: Opcode "draw_reject": reject a draw offer 16.2.5.12: Opcode "eco": _Encyclopedia of Chess Openings_ opening code 16.2.5.13: Opcode "fmvn": fullmove number 16.2.5.14: Opcode "hmvc": halfmove clock 16.2.5.15: Opcode "id": position identification 16.2.5.16: Opcode "nic": _New In Chess_ opening code 16.2.5.17: Opcode "noop": no operation 16.2.5.18: Opcode "pm": predicted move 16.2.5.19: Opcode "pv": predicted variation 16.2.5.20: Opcode "rc": repetition count 16.2.5.21: Opcode "resign": game resignation 16.2.5.22: Opcode "sm": supplied move 16.2.5.23: Opcode "tcgs": telecommunication: game selector 16.2.5.24: Opcode "tcri": telecommunication: receiver identification 16.2.5.25: Opcode "tcsi": telecommunication: sender identification 16.2.5.26: Opcode "v0": variation name (primary, also "v1" though "v9")
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