Olympic champion Nicola Adams suffered her first defeat in almost two years as she crashed out of the European Championships at the quarter-final stage in Bucharest.
Leeds boxer Adams was made to pay for a slow start as she dropped a tight verdict against Bulgaria's experienced Stoyka Petrova.
Adams had been hoping to become England's first double European champion - male or female - having won her first title in Rotterdam in 2011.
But the 31-year-old vowed to learn from her surprise loss and regroup in time for Glasgow 2014, where women's boxing will make its Commonwealth Games debut.
Olympic champion Nicola Adams maintains her motivation levels are higher than ever as she prepares to embark on a triple title quest which could further cement her place in British boxing history.
Adams will start as a hot favourite to become the nation's first double European champion in Bucharest next month before she stars in Glasgow in July as women's boxing makes its Commonwealth Games debut.
The 31-year-old will then head to Jeju City in South Korea in November as she aims to build on three previous silver medals and be crowned world champion for the first time.
London 2012 gold medallist Nicola Adams and Britain's first ever Women's World Boxing Champion Savannah Marshall will launch a new boxing programme at the English Institute of Sport in Sheffield today.
The venue, which is the home training base to both Team GB boxers, will host its first BOX class, part of a new programme by the Amateur Boxing Association of England.
Nicola , who is from Leeds, and Savannah will take time out of training at EIS Sheffield to officially open the sessions, which are aimed at boxers of all levels aged 16 and above and will run every Tuesday after the launch.
Jane Naylor, programme and development manager at EIS Sheffield, said: "We are delighted to be launching our new BOX sessions and it's great that Nicola and Savannah will be there to inspire people who may be looking to take up boxing.
"It highlights EIS Sheffield's unique ability and success in combining elite and community usage providing some of the very best facilities in the country for both Olympic and World level athletes as well as those at grassroots level.
"There will be an emphasis on learning boxing technique and skills, so who knows, these classes may even lead to the unearthing of Sheffield's next boxing Olympic gold medallist."
The BOX launch event will be followed by a ladies-only boxing session on Wednesday, January 15, which will run every Wednesday.
Tom Gilbert, England Boxing's National Programme and Participation Manager, said: "England Boxing is aware that not everyone interested in boxing wants to join a club or box competitively, and that for many people the training side is appealing but not the contact form of the sport.
"BOX aims to provide an opportunity for everyone to take part in fitness studio-based boxing and to experience the fitness, health and happiness benefits of training like a boxer."
Leeds' Olympic boxing gold medallist will team up with another boxing star as they launch a new gym in Sheffield today.
Nicola Adams and Savannah Marshall, Britain's first ever women's world boxing champion, will open the £1m gym at the English Institute of Sport Sheffield (EIS Sheffield).
The facility includes 90 new pieces of equipment, and one of the biggest weights gyms in the city.
The gym opening marks a year of celebrations for the 10th anniversary of the venue.
She was one of the Golden Girls of the Olympics - Yorkshire's own Nicola Adams - and today Team GB's first ever British Boxing Champion was back in the ring. She's inviting the next generation of would be Olympians to join her, and put their energies into sport in a bid to cut youth crime.
A "have-a-go" boxing event aimed at discouraging knife crime and gangs in Sheffield was backed by Leeds Olympic champion Nicola Adams today.
A mobile boxing arena has been set up in Tudor Square, where Nicola Adams encouraged youngsters hoping to take up the sport.
It's part of the Join In Summer event, running over the anniversary period of the Games. More than 10,000 local events are being put on in clubs and community centres up and down the country, aiming to attract half a million people and 100,000 new volunteers.
Nicola Adams eased past Holland's Abbygail Deekman to guarantee at least a bronze medal at the European Union Championships in Hungary today.
Leeds' Olympic champion followed up her comeback win over Italy's Terry Gordini on Monday with a one-sided win over Deekman, who was retired on her stool.
Lisa Whiteside secured a second medal for Great Britain when she outpointed Poland's Karolina Michalczyk in the 54kg quarter-finals.
Ireland's Olympic champion Katie Taylor also reached the semi-finals with a fourth round stoppage over Hungary's Benke Sara.
Taylor, who is bidding for her fifth consecutive EU title, will next meet Finland's Mira Potkonen on Friday.
Olympic champion Nicola Adams will be in Sheffield today to unveil a new statue. It will then go on display at Sheffield Forgemasters where it was made.
Leeds’ own Olympic boxing champion Nicola Adams MBE will be the guest of honour at the launch of a new exhibition showcasing local talent today.
The 30-year-old, who made history at London 2012 by becoming the first-ever winner of an Olympic gold medal in women’s boxing, will be star guest at a display of art produced by local girls which goes on show at the St John’s Centre.
The display follows a project carried out by the girls, aged 11 to 15 through the Harehills-based charity Getaway Girls. They have used the Olympic themes to look at the roles of sportswomen from the past and present to the future as well as fashion within the sports industry.
Nicola, who was recently presented with her MBE for services to boxing at Buckingham Palace, is the president of national Sport England-funded initiative US Girls which aims to encourage young women in disadvantaged areas to be more active, and was a partner in the project.