Ian Gilbert, 49, denied his daughter Jessie's claims of rape saying that he thought she had made them up to get revenge after they fell out over a laptop computer.

Jessie, 19, died in July this year, when she fell from a window of a hotel in the Czech Republic during an international chess tournament in Prague. Just before she died she told police that her father had raped her between the ages of eight and 13.

Mr Gilbert, a director at the Royal Bank of Scotland, was cleared of all charges of rape on his daughter. The jury at Guildford Crown Court also cleared him of two counts of rape and four counts of indecent assault on other people, who cannot be named for legal reasons.

His solicitor, Colin Reynolds, said in a statement on his behalf: "Ian Gilbert fully cooperated with the police inquiry and has strenuously denied these allegations throughout and robustly defended this indictment.

"He is grateful to the jury for their obvious careful consideration of all the evidence and for returning appropriate verdicts which reflect the truth. He would ask you to respect his privacy as he now seeks to restore stability in his personal and professional life."

His new wife, Sally, was in court to hear the decision.

During the trial the jury heard that while Jessie was a very talented chess player who had represented Britain, she was also a troubled, anxious child.

Members of her family, including her grandfather Alan, said that they found the exceptionally clever youngster "detached".

Her father said that although Jessie had a very high IQ, "that is no guarantee of a stable personality".

Mr Gilbert said he had no idea why his daughter would hate him enough to make false allegations, but added that she had been playing a "game of chess" against him and carefully plotting a "battle strategy" to take revenge after an argument.

He said that she may have deliberately drip-fed information about the alleged abuse to friends and family before contacting the police to make her story more credible.

Mr Gilbert said that their relationship had soured after a row in 2003 over Jessie's laptop computer.

His marriage to Jessie's mother broke down on the same night and he told the court that Jessie, "a very sensitive girl", may have felt that she had in some way been blamed for the break up.

It was after he had moved out of the family home in Wokingham, Surrey, that Jessie told her mother he had raped her.

Mr Gilbert said that he found the accusations "disgusting" and had never had a sexual thought about his daughter.

The court heard that Jessie tried to kill herself a number of times. On New Year's Eve 2003, while drunk and out with friends, she climbed a wall at Croydon's clock tower and threatened to jump off before being dragged down.

She then told friends that her father had raped her. She repeated the claims the following year, again while drunk again. This time friends took her home and told her mother.

The following day Jessie took an overdose of paracetamol, but later recovered.

Jessie began playing chess aged eight and won the Women's World Amateur Championship aged 11. Later, she was awarded a £4,000 scholarship by the Brain Trust charity to go to America, where she studied with Edmar Mednis, the New York grandmaster. She was tipped to become the world's best female chess player.

She fell to her death shortly before her father's trial was originally due to start. The trial was postponed for Jessie's funeral and to allow the family to grieve.

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