5

In relation to one of the previous questions on interactive diagrams, I would like to ask whether it is possible for a game to start with the let us say 33. move?

For example, I would like to make a diagram of the following segment of the 9.round game of the Curacao Candidates Tournament 1962 between Fischer and Geller (please see the relevant question on CSE):


[Event "Curacao Candidates"]
[Site "Willemstad CUW"]
[Date "1962.05.16"]
[Round "9"]
[White "Robert James Fischer"]
[Black "Efim Geller"]
[Result "0-1"]
[ECO "B88"]
[EventDate "1962.05.02"]
[PlyCount "136"]
[FEN "6k1/6p1/4p2p/5r2/2R5/7P/6P1/6K1 b - - 0 33"]

33...Kf7 34.g4 Rf3 35.Kg2 Rd3 36.Rc7+ Kf6 37.h4 Ra3 38.Rb7 Rc3 39.g5+ hxg5 40.hxg5+ Kg6 41.Re7 Re3 42.Kf2 Re5 43.Kf3 Rf5+ 44.Ke3 e5 45.Ke4 Rxg5 46.Re8 Rg1 47.Kf3 Rf1+ 48.Kg3 Rf5 49.Rb8 Kg5 50.Re8 Kf6 51.Rf8+ Ke6 52.Re8+ Kf6 53.Rf8+ Ke6 54.Re8+ Kd5 55.Ra8 Rf7 56.Kg4 Re7 57.Ra5+ Ke6 58.Ra6+ Kf7 59.Kf3 Re6 60.Ra8 e4+ 61.Ke3 g5 62.Ra1 Kg6 63.Rb1 Re5 64.Kd4 Kf6 65.Re1 Ra5 66.Rxe4 Kf5 67.Re8 Kg4 68.Ke3 Kg3 0-1

However, the above PGN does not appear as a diagram if the game starts with 33...Kf7. However, if you just change 33...Kf7 to 1...Kf7 a diagram appears. I guess i should then change all move numbers so that the pgn starts with 1... etc. Is there a way around this? If not, can it please be made possible?

7

Yes, you can already do this.

Paste the full PGN of the game. Then you can add a header "StartPly" which says which half move to start with.

For example, to start with white's move 33, you could do [StartPly "65"] and include that in the game headers. If you have a StartPly, you should include the FEN of the game start ([Fen ""]) as opposed to the FEN of the position in question.

Incidentally, I already edited the linked question, so you can also look at that to see how I changed the markdown.

  • Andrew: Thank you, both for the answer and the edit. The solution seems elegant enough. Cheers. – Zvonimir May 13 '16 at 7:43
  • Note (to self): make sure you leave a blank line between the PGN headers and the moves. Otherwise the StartPly header won't work. – Glorfindel Dec 30 '18 at 14:20

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