Question: On October 15, 2012 Viktor Blom was signed-up by an online poker card room that opened in what year?

full_context: Document 1: Online gambling: Online gambling (or Internet gambling) includes poker, casinos and sports betting. The first online casino was in 1994. Many countries restrict or ban online gambling, but it is legal in some provinces in Canada, most countries of the European Union and several nations in the Caribbean.
Document 2: Cereus Poker Network: Cereus Poker Network was an online poker network comprising Absolute Poker and Ultimate Bet. The site is now insolvent and not processing player withdrawals. Cereus is owned by a private company, Blanca Games. Blanca Games bought all Network assets in August 2010 from Tokwiro Enterprises. The Cereus network was one of the world's ten largest online poker cardrooms prior to losing the majority of its player base in the wake of the April 15, 2011 online poker indictments.
Document 3: Mark Vos: Mark Vos (born 20 October 1983), also known as 'pokerbok', is a professional poker player from Australia. Vos was born in Cape Town, South Africa, and attended Waldorf High School in Constantia. He excelled at mathematics olympiads while in high school, and represented his province in the interprovincial olympiad. Vos permanently deferred his actuarial studies at Macquarie University, to play poker full-time. Starting out online with limit hold'em in mid-2004, Vos soon turned his attention to no-limit games, and in short time, earned a reputation as being one of the world's top online poker players, such that he can often be found playing in the most expensive cash games and tournaments online. When not travelling the world playing poker, Vos plans to divide his time between Australia and South Africa. In January 2006, Vos finished 8th in the main event of the Crown Australian Poker Championship, winning A$83,600. As of May 2006, Vos represents the Full Tilt Poker online poker cardroom as a friend of Full Tilt Poker. His name is reflected in red on Full Tilt tables.
Document 4: Viktor Blom: Viktor Blom (born 26 September 1990) is a Swedish high-stakes online poker player, best known by the online poker name Isildur1. His rise to fame drew considerable attention around the poker world in late 2009, when he took part in all ten of the largest pots in online poker history. In December 2010, it was announced that then-anonymous Isildur1 had joined Team PokerStars Pro. Blom's identity was revealed by PokerStars on January 8, 2011, at the PokerStars Caribbean Adventure. Blom parted ways with PokerStars in August 2012 and was quickly signed-up by Full Tilt Poker on October 15, 2012, along with rival high-stakes player Tom Dwan.
Document 5: IPoker: iPoker is an online poker card room owned by Playtech currently ranked as the 3rd largest online card room in the world.
Document 6: Full Tilt Poker: Full Tilt Poker is an Irish online poker card room and online casino that opened in June 2004. Formerly privately owned by Tiltware, LLC and later by the Rational Entertainment Group, the site was acquired by The Stars Group (then known as Amaya Gaming Group) in a deal where Amaya acquired all of Rational's assets, including PokerStars. A statement by Amaya said the takeover would not affect the activities of Full Tilt Poker. The deal was closed on August 1, 2014.
Document 7: Chris Moneymaker: Christopher Bryan Moneymaker (born November 21, 1975, in Atlanta, Georgia) is an American poker player who won the Main Event at the 2003 World Series of Poker (WSOP). His 2003 win is said to have revolutionized poker because he was the first person to become a world champion after qualifying at an online poker site. This has been referred to in the press as the "Moneymaker Effect".
Document 8: Phil Hellmuth: Phillip Jerome Hellmuth Jr. (born July 16, 1964) is an American professional poker player who has won a record fourteen World Series of Poker bracelets. He is the winner of the Main Event of the 1989 World Series of Poker (WSOP) and the Main Event of the 2012 World Series of Poker Europe (WSOPE), and he is a 2007 inductee of the WSOP's Poker Hall of Fame. Hellmuth is also known for his temperamental "poker brat" personality.
Document 9: European Poker Tour: The European Poker Tour (EPT) was a series of poker tournaments similar to those in the World Poker Tour (WPT), created by John Duthie, winner of the inaugural Poker Million tournament. It began in 2004 as part of the worldwide explosion in Texas Hold 'em popularity. Since 2011 the EPT has been sponsored and wholly owned and controlled by PokerStars the online casino and taped by Sunset + Vine for television broadcast across Europe.
Document 10: PokerStars Big Game: The PokerStars Big Game, also known as the PokerStars.net Big Game or simply the Big Game, was a poker television program sponsored by Pokerstars.net originally airing on Fox Network. The program had a tie-in to the Pokerstars North American Poker Tour (NAPT), which was shut down by the U.S. Attorney's Office for the Southern District of New York after the second, 2011, season had been filmed. The PokerStars.net Big Game did not return after the second season.
Document 11: Full Tilt Poker Championship at Red Rock: Full Tilt Poker Championship at Red Rock (also FullTiltPoker.Net Championship at Red Rock) was a seven-week televised shootout poker tournament played at the Red Rock Resort Spa and Casino in Summerlin near Las Vegas, Nevada. The tournament was sponsored by online poker website Full Tilt Poker and aired by Fox Sports Net. In each of the first six episodes, six professional poker player affiliated with Full Tilt Poker played a single-table freezeout tournament. The winner of each freezeout won US$25,000 and advanced to the seven-handed final table. The seventh seat at the final table was filled by Stefan Rehn, an Internet qualifier. Tournaments featured a speed poker format, with players having 30 seconds to act on their hands with one 60-second time extension per match.
Document 12: Brian Hastings (poker player): Brian Hastings (born June 24, 1988) of Hanover Township, Luzerne County, Pennsylvania is an American professional poker player known for his three World Series of Poker bracelets and for his profitable online cash game sessions against the Swedish poker player Viktor Blom, better known by his Online-Poker name Isildur1.
Document 13: Phil Ivey: Phillip Dennis Ivey Jr. (born February 1, 1977), commonly known as Phil Ivey, is an American professional poker player who has won ten World Series of Poker bracelets, one World Poker Tour title, and appeared at nine World Poker Tour final tables. Ivey was at one time regarded by numerous poker observers and contemporaries as the best all-around player in the world. In 2017 he was elected to the Poker Hall of Fame.
Document 14: Partypoker: partypoker (formerly stylized PartyPoker) is an online poker card room. Launched in 2001 by PartyGaming, the site has had up to 80,000 players logged-in and was the largest online card room until 2006. In 2011 PartyGaming merged with bwin to form Bwin.Party Digital Entertainment. As of 2017, it remains among the largest online poker card rooms. The site is endorsed by Mike Sexton, the host of the World Poker Tour television show. The domain "partypoker.com" attracted at least 3.6 million visitors annually by 2008 according to a Compete.com study. In 2016, after a protracted bidding process between 888 Holdings and GVC Holdings, Bwin.Party Digital Entertainment accepted GVC Holdings' bid for £1.1 billion. Today, the site is run by GVC Holdings and is available in 14 different languages. In addition to partypoker.com, partypoker also offers dedicated networks for French and Italian based players via partypoker.fr and partypoker.it, respectively. GVC Holdings also acquired Partycasino during the 2011 merger of Party Gaming.
Document 15: Elio Fox: Elio Fox is an American professional poker player whose first World Series of Poker (WSOP) in the money finish was the 2011 World Series of Poker Europe main event that he won. He has played online, where he is a high-stakes No limit Texas hold'em rebuy specialist, since 2009 but had his first notable live play results in 2011. Prior to the World Series of Poker bracelet that he won at the 2011 WSOP Europe, his best live event finish was the 224-player $10,000 + $300 July 12 – 19, 2011 Bellagio Cup VII victory for a prize of $669,692. The event's final table included Ted Forrest, William Thorson and Brandon Cantu. Fox' other previous live event victory was the 251-player $1,590 June 24 – 26, 2011 Venetian Deep Stack Extravaganza III No-Limit Hold'em Event 30 for a prize of $87,192.
ground_truth: 2004