If the voting for most valuable player honours of the European Championships took place now,
She poured in the buckets early. When Hungary's defence was choking off the passing lanes and limiting Spain's opportunities, she penetrated into the lane and made short jump shots.
Valdemoro had a decisive hand in the key 13-3 run at the start of the fourth quarter which allowed her side to pulled away.
Hungary have endured an almighty struggle shooting the ball in this tournament and that didn't change against Spain. They were 21 of 57 from the field, including three off 19 from three-point range.
However, resilience and determined defence are hallmarks of Laszlo Ratgeber's group and that helped them keep this game close.
Begoña García's two three-pointers gave the Spanish a 43-38 lead at the end of the third quarter, however Hungary pulled level at 43-43.
At the start of the fourth quarter, Valdemoro continued to fire and Spain went on their decisive run in the first four minutes to lead 56-46. There was no way back for the Hungarians.
Réka Cserny had a team-high 10 points for Hungary, who have lost two straight since winning their first game against the Ukraine with a three-pointer in the waning moments by Seres.
Laszlo Ratgeber, Head Coach Hungary:
"This game tonight could have been our comeback in the tournament, and we were capable of winning, however, we did not score for 5 minutes in the fourth quarter and that was our downfall."
"It will now be difficult for us to qualify for the Quarter-Finals."
Reka Cserny, Hungary player:
"It was very very important for us to win tonight but sadly it didn't happen. We still have two more games to allow us to qualify, but it will be hard."
Vicente Rodriguez, Head Coach Spain:
"Against a team like Hungary, which is aggressive and tough, we knew we would have to play well this evening. We played very good defence and showed our capacity to win. I would like to congratulate the Hungarian team on a very good, tough game."
Lucila Pascua, Spain player:
"This result was very positive for us. We played good defence and were very fluid in offence. We are very pleased to be at the top of the group."