18...Bc3 19.Bd2 Qe7 20.Bxd5 exd5 21.Bxc3 Qxc5 22.Rd3 Rb7 23.Rc1 bxc3 24.Rxc3 and White gets a very g

18...Bc3 19.Bd2 Qe7 20.Bxd5 exd5 21.Bxc3 Qxc5 22.Rd3 Rb7 23.Rc1 bxc3 24.Rxc3 and White gets a very good endgame a pawn up.