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Does PGN have any annotations for draw offers? Just adding = after a move doesn't seem to work everywhere. Among the standard NAGs there is $10 (a drawish or even position) which translates as =; or I can use a comment. But I am wondering whether there's a specific way of adding a draw offer.

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There is no symbol for a draw offer. Just add a comment {draw offered}

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  • 2
    It's weird as FIDE rules says The offer of a draw shall be noted by each player on his scoresheet with a symbol. (=) and yet it hasn't been implemented in PGN. Thanks!
    – Samurai
    Nov 16 '15 at 23:36
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    The FIDE rule is more recent than the PGN standard, which was written in 1994.
    – gcp
    May 17 '18 at 10:00
  • @Samurai thanks for sharing the fide rule!
    – BCLC
    Jan 23 '21 at 6:30
  • I just implemented in #57 of my pgn-parser that recording of a draw offer. Yes, it is not part of the spec, but it is reasonable that the rules given by FIDE should be respected.
    – mliebelt
    Nov 20 '21 at 21:54
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I think the answer should be, that the format has to include the parentheses. So a draw offer in some PGN notation should look like:

1. e4 e5 (=)

So black is offering a draw after his first move.

See the example game at the end of section C that looks like:

  1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6e.p. Nxd6 7. Bg5 Nc6 8. Qe3+3 Be7 9. Nbd2 0-0 10. 0-0-0 Re8 11. Kb1 (=)

PS: Shameless plug: I have just implemented that in my pgn-parser, see #57.

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  • Tried to use that notation in lichess (analysis or study), and of course it fails. So yes, there seems to be not so many implementations of that rule of chess.
    – mliebelt
    Nov 20 '21 at 22:01

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