29…b3 30.axb3 Rb7 was a better attempt to instigate some counterplay, though after 31.Qd1 Rxb3 32.Rc7 White is clearly better.
Suddenly White has launched an attack on the black king. Soon he will obtain access via the light squares.
30…e4 31.Bxe4 Qe5 32.fxg6+ Kh8 33.Rc8 Bf6 34.Rxd8+ Bxd8 35.Rc8 Qf6 36.Rxd8+
Targeting the c-pawn twice. The side with the queen has the usual problems defending loose pawns.
30…Nc4+ 31.Kf4 Rf8+ 32.Ke4 Bd8 33.Ba1 Rxg2 34.e6 Rg4+ 35.Kd5 Rxf3 36.e7 Rd3+ 37.Kc6 Rg6+ 38.Kb5 Nd6+ 39.Kc6 Nc8+ 40.Kb7 Nxe7 41.Qa4 Ng8