Longest Decisive Game Without A Capture

GOING through an old copy of Chess Life, the magazine of the US Chess Federation, I was surprised to see English international master Richard Bates credited as being the winner of the longest chess game to end decisively without a capture.
The game is given in grandmaster Larry Evans' column in the October 2001 issue of the magazine, albeit without notes (presumably for space reasons).
Antonio Gual Pascual (2350) - Bates (2235)
Lloyds Bank (London) 1993
King's Indian Defence
1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6. 5.Nge2!?
This move has been played by at least four world champions (or world-champions-to-be), Euwe, Botvinnik, Anand and Carlsen, scoring 57% in ChessBase's 2019 Mega database.
5...c6 6.f3 a6 7.Be3 Nbd7 8.a4 a5 9.Qd2 0-0 10.Rd1 Qc7 11.Nc1 e5 12.d5 Ne8 13.Nb3 c5 14.Bd3 f5 15.Qc2
The engines do not like this, reckoning White is much better after 15.Nb5 or the spoil-sport 15.exf5.
15...Nb6 16.Ra1 Qf7 17.Nb5 Nd7 18.Nd2 Nb8 19.Qc3 b6 20.Ke2!?
20.0-0 might have been better, but note that 20.0-0-0, although maybe desirable in view of the blocked nature of the queenside, is impossible - the queen's rook has already moved.
20...Na6 21.Raf1 Nb4 22.Bb1 Qe7 23.h4 f4 24.Bf2 Nf6 25.Rfg1 Nh5 26.Nf1 Rf7 27.Kd1 Qf8

Any idea who, if anyone, stands better?

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Positional battles with a full board of pieces are difficult for computers to assess as well as for humans. Komodo9 reckons Black has the upper hand, but Stockfish10 prefers White after a consolidating move such as 28.b3 or 28.Qd2.
28.Bd3 Kh8 29.Be2 Kg8
I am guessing time trouble was playing its part, especially in view of White's next move.
30.Kc1?? Na2+ 0-1
to be continued