want to load moves in winboard

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want to load moves in winboard

Postby evergreen1 » 14 Apr 2016, 17:50

I wanted to see the moves on winboard of a famous game between Lev polugaevsky vz Rashid Neshmetdinov held in sochi 1958. the game has 34 moves.

i got the moves from this source. i copy pasted the moves into a textfile then to winboard.
https://www.youtube.com/watch?v=x3tdK8BT0aw
yt uploaded by matojelic. gives moves copied. error says winboard

when pasted only 14 moves are pasted into the move history window.

illegal move 15 Nge2------
the same game i copied the PGN from this source and when played in winboard no problem at all.
http://www.chessgames.com/perl/chessgame?gid=1111459

How , the illegal move 15 Nge2 becomes legal?
I tried with other files also saved in this manner (as stated in para1 from youtube). some stops at move 8. then says 9 is illegal move!.
kindly help
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Re: want to load moves in winboard

Postby H.G.Muller » 15 Apr 2016, 13:04

I am not sure what you did. Where did you copy the moves from? You cannot copy text from a video, can you? Can you paste the moves here in the forum? Then I can try it out myself to see what the problem is.

illegal move 15 Nge2------


This is what WinBoard printed? My guess is that it chokes on the minus signs. It seems to think they are all part of the move. It is a save bet that these minus signs are not in the PGN file; it is not valid Chess notation.
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Re: want to load moves in winboard

Postby evergreen1 » 15 Apr 2016, 14:50

thanks for the response HGM.


under the youtube video window click on "More" and u get the movelist,. I copied that, since some games movelists are only available easily in youtube, i wanted to know what happened with the movelist which are identical both in youtube and in chess.com (the PGN),
here is the list i copied from youtube.


Old Indian Defense: Polugaevsky vs Nezhmetdinov
Lev Polugaevsky - Rashid Nezhmetdinov [A53]
Sochi 28th RSFSR ch, 1958
[Mato]
1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.e4 [4.dxe5 dxe5 5.Qxd8+ Kxd8 6.Nf3 Nfd7 7.Ng5 Ke8 8.Nd5 Na6] 4...exd4 5.Qxd4 Nc6 6.Qd2 g6 7.b3 Bg7 8.Bb2 0--0 9.Bd3 Ng4 10.Nge2 Qh4 11.Ng3 [11.0--0 Qxh2#] 11...Nge5 12.0--0 f5 13.f3 Bh6 14.Qd1 f4 15.Nge2 g5 16.Nd5 g4 17.g3 [17.Nxc7 g3 18.h3 Bxh3 19.gxh3 Qxh3 20.Rf2 gxf2+ 21.Kxf2 Qxf3+ 22.Ke1 Nxd3+] 17...fxg3 18.hxg3 Qh3 19.f4 Be6 Developing move. [19...Nf3+? 20.Kf2 Qh2+ 21.Ke3+-] 20.Bc2 [20.Nxc7 Rxf4 21.gxf4 g3 22.Nxg3 Qxg3+ 23.Kh1 Qh4+ 24.Kg1 Bh3 25.Qd2 Rf8 26.fxe5 (26.Bxe5 Nxe5--+ 27.fxe5) 26...Be3+ 27.Qxe3 Qg4+ 28.Kh1 Qg2#] 20...Rf7 21.Kf2 [21.fxe5 Bxd5 22.exd5 Be3+ 23.Rf2 Bxf2#] 21...Qh2+ 22.Ke3 Bxd5 23.cxd5 Nb4 24.Rh1 Rxf4 25.Rxh2 Rf3+ 26.Kd4 Bg7 27.a4 [27.Ng1 Rxg3] 27...c5+ 28.dxc6 bxc6 29.Bd3 Nexd3+ 30.Kc4 d5+ 31.exd5 cxd5+ 32.Kb5 Rb8+ 33.Ka5 Nc6+ White resigned 34.Ka6 Ndb4# 0--1
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Re: want to load moves in winboard

Postby H.G.Muller » 15 Apr 2016, 16:17

OK, I see. The problem is the 0--0 notation used in that text for castling. This is not standard SAN (which is O-O). WinBoard already does recognize a lot of non-standard notations, and for (king-side) castling this includes OO, 0-0, 00, e1g1, e1h1. But not 0--0. The problem is compounded by the fact that ChessBase uses -- in PGN to indicate a turn pass, and WinBoard parses the input as a 'move number' 0 (WinBoard ignores move numbers other than 1), followed by a turn pass. So it never does the castlings. As a result, the move Nge2 becomes illegal, because that Knight is pinned when the white King is still on e1.

Btw, when WinBoard complains about an illegal move in the pasted or loaded game, It will still have loaded all moves upto that point. So it is possible to step to the position of the offending move with the >> (if you do this in game-viewer mode, i.e. without engine), and then you see immediately what the problem is. (With engine the engine would likely already object to the turn pass.)
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