It was a huge drama on the opening day as World champion Magnus Carlsen of Norway lost on time from a winning position in the longest game of the day.
Indian Grandmaster P Harikrishna started his campaign by outclassing Eric De Haan of Holland in the first round of the Masters' section of Tradewise Gibraltar Chess festival at the Caleta in Gibraltar.
Five-time world champion Viswanathan Anand staged a brilliant comeback by crashing through the defences of Peter Svidler of Russia in the sixth round of Candidates Chess tournament in Moscow.
Grandmaster Parimarjan Negi added another feather in his cap. The 20-year-old continued his brilliant form and clinched the Politiken Cup 2013 after emerging with a fine score of nine out of a maximum possible 10 points, in Copenhagen, Denmark on Sunday.
Viswanathan Anand proved his true mettle yet again as he outclassed Levon Aronian of Armenia in a long-drawn game in the ninth round of the Candidates Chess tournament in Moscow.
Grandmaster and former national champion B Adhiban crashed through the defences of former women's world champion Antoaneta Stefanova of Bulgaria to remain in joint lead in the Masters section of Tradewise Gibraltar Chess Festival.
Viswanathan Anand continued his roller-coaster ride in the London Chess Classic as he went down to Russian Grandmaster Alexander Grischuk in the sixth round.
Viswanathan Anand ended his stint with a draw against World Champion Magnus Carlsen of Norway and finished at ninth position in the Sinquefield Cup in St Louis.
A summary of sports events and persons who made news on Saturday
Five-time World Champion Viswanathan Anand bounced back from his fourth round loss and beat his former world championship challenger Veselin Topalov of Bulgaria on Wednesday in the fifth round of London Chess Classic, the concluding edition of the Grand Chess Tour.
Grandmaster SP Sethuraman had to defend with the skin of his teeth but the effort was rewarding as he held higher ranked compatriot P Harikrishna to a draw in the first game of the second round of World Cup of Chess in Baku, Azerbaijan.
Former world champion Viswanathan Anand did not have a change in fortunes as he played out his sixth draw in a row, signing peace with tournament leader Levon Aronian of Armenia in the eighth and penultimate round of the Sinquefield Cup chess meet.
'I like to challenge myself. Competing against players much younger than me is something that I want to keep doing,' says Chess Legend Viswanathan Anand
Five-time World champion Viswanathan Anand played out a draw with Levon Aronian of Armenia in the seventh round of London Chess Classic, in London on Saturday.
With favourable results under his belt this year, five-time World champion Vishwanathan Anand is approaching the forthcoming World Chess Championship at Sochi with a quiet confidence and a positive frame of mind but termed his opponent Magnus Carlsen as "tenacious".
Grandmaster and National champion S P Sethuraman clicked when it mattered and defeated world number 21 and compatriot P Harikrishna to enter the third round of World Cup of chess in Baku, Azerbaijan.
India's Viswanathan Anand regained the sole lead with a sparkling victory over former challenger Veselin Topalov from Bulgaria in the ninth round of Candidates Chess tournament in Khanty Mansiysk on Sunday.
Wesley So of the United States expectedly won the tournament with an easy draw with white pieces against Maxime Vachier-Lagrave of France in the final round.
Five-time world champion Viswanathan Anand played out a draw with Vladimir Kramnik in the fourth round but remained in sole lead to stay in contention in the Candidates chess tournament in Khanty Mansiysk.
With seven games to come in the 12-game World Chess Championship match, Magnus Carlsen leads 3-2, drawing first blood in his trademark style.
Anand went down to Maxime Vachier-Lagrave of France in what was his second straight loss following a defeat against Alexander Grischuk in the previous round.
Five-times world champion Viswanathan Anand proved all his critics wrong and won the Candidates Chess tournament after settling for a draw with Sergey Karjakin of Russia in the 13th and penultimate round in Khanty Mansiysk (Russia) on Saturday.
Five-time World champion Viswanathan Anand played out a fourth consecutive draw after signing peace with Peter Svidler of Russia in the seventh round at the Candidates Chess tournament in Khanty Mansiysk, Russia, on Friday. At the half-way stage of the tournament, Anand has 4.5 points out of a possible seven.
Five-time World champion Viswanathan Anand played out an easy draw with black against former World champion Veselin Topalov of Bulgaria in the second round of the Candidates Chess tournament in Khanty Mansiysk, Russia, on Friday.
Viswanathan Anand played out a quick draw with eventual champion Veselin Topalov of Bulgaria to finish second in the Norway chess tournament, which is part of the Grand Chess Tour.
Defending champion Viswanathan Anand will start his campaign with black pieces against Magnus Carlsen of Norway in the first game of the 12-round World Chess Championship in Chennai on Saturday. After declaring the 'FIDE World Championship Match-2013' open, Tamil Nadu Chief Minister J Jayalalithaa picked the photograph of Anand from the first bowl and a 'black piece' from the other during the draw of lots for the match, to be held at Hyatt Regency hotel.
A summary of sports events and persons who made news on Monday
It would be a battle between Viswanathan Anand's wealth of experience and Magnus Carlsen's ability to play in any position when the two greats of the game face-off in the much-anticipated World Chess Championship beginning this month, feel a majority of Indian Grand Masters.