help: Rook and pawn 4 vs 4 + 1 extra pawn

@Slugy @thisispractice

*) Reader comments below this game say that IM Hartston apparently mentioned a drawing plan somewhere. Readers also mention comments from GM Karsten Mueller.
http://www.chessgames.com/perl/chessgame?gid=1339092

Mentions Stean-Hartston game :
(Source : http://www.chessgames.com/perl/chessgame?gid=1365557)
Imported and with Stockfish evaluations :


*) GM article about 4 vs. 3 pawns on one wing rook ending, basically saying : Usually draw, but the 4 pawns party can and should play for a win.
www.chess.com/article/view/typical-rook-endgames

*) Capablanca - Yates, 1930
web-link with reader comments below it :
http://www.chessgames.com/perl/chessgame?gid=1284177
Imported and with Stockfish evaluations :

lol toadofsky,it obviously isnt a dead draw.the position u had u just hapened to have played h5 h4 and stop g4

Ty for your comments it was very interesting.

Yeah @archa I will reconsider the 4 vs 3 ending always a draw you have some winning chances ^^

www.chess.com/article/view/typical-rook-endgames

#12 Yeah, what a coincidence that immediately after the queen exchange, I played h5. :-)