Candidates Tournament 2013
Magnus Carlsen, the winner of the Candidates Tournament 2013, advanced to the World Chess Championship 2013 match.
Venue	Institution of Engineering and Technology, Savoy Place
Location	London, England
Dates	15 March – 1 April 2013
Competitors	8 from 6 nations
Winning score	8.5 points of 14
Champion
Magnus Carlsen
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The 2013 Candidates Tournament was an eight-player chess double round-robin tournament that took place in the Institution of Engineering and Technology, Savoy Place, London, from 15 March to 1 April 2013.^[1]

This was the first time in 51 years that the round-robin format had been used for a Candidates, though it had been used for the 2005 (FIDE) and 2007 world championships.^[2]

The tournament was won by Magnus Carlsen, on tiebreak ahead of Vladimir Kramnik, after a dramatic final round in which they both lost.

The participants were:^[3]

Qualification path	Player	Age	Rating (March 2013)	World Ranking
The top three finishers in the Chess World Cup 2011	Peter Svidler	36	2747	14
	Alexander Grischuk	29	2764	10
	Vasyl Ivanchuk	43/44	2757	13
The three highest rated players in the world, excluding any of the above or below (average from July 2011 and January 2012 FIDE rating lists)	Magnus Carlsen	22	2872	1
	Levon Aronian	30	2809	3
	Vladimir Kramnik	37	2810	2
Candidates Tournament Organizing committee's wild card (FIDE rating in January 2012 at least 2700)[3][4]	Teimour Radjabov	26	2793	4
Runner up of the World Chess Championship 2012	Boris Gelfand	44	2740	18

The tournament had a prize fund of €510,000 ($691,101). Prize money was shared between players tied on points; tiebreaks were not used to allocate it. The prizes for each place were as follows:^[3]

Before the tournament Carlsen was considered the favourite, with Kramnik and Aronian being deemed his biggest rivals. Ivanchuk was considered an uncertain variable, due to his instability, and the other players were considered less likely to win the event.^[5][6]

During the first half of the tournament, Aronian and Carlsen were considered the main contestants for first place. At the halfway point they were tied for first, one-and-a-half points ahead of Kramnik and Svidler. In the second half Kramnik, who had drawn his first seven games, became a serious contender after scoring four wins, while Aronian lost three games, and was thus left behind in the race. Carlsen started the second half by staying ahead of the field, but a loss to Ivanchuk allowed Kramnik to take the lead in round 12 by defeating Aronian.^[7] In the penultimate round Carlsen pulled level with Kramnik by defeating Radjabov, while Kramnik drew against Gelfand.^[8]

Before the last round only Carlsen and Kramnik could win the tournament; they were equal on 8½ points, 1½ points ahead of Svidler and Aronian. Carlsen had the better tiebreak (on the first tiebreak the score from their individual games was 1–1, but Carlsen was ahead on the second tiebreak due to having more wins), and this would not change if they both scored the same in the final round. Therefore, Kramnik, who had black against Ivanchuk, needed to outperform Carlsen, who had white against Svidler. Carlsen played to win, since that would guarantee him the tournament victory regardless of Kramnik's result; similarly, Kramnik knew that the odds of Carlsen losing with white were minute, and he went all-in against Ivanchuk with the Pirc Defense. This backfired and Ivanchuk obtained an early advantage, while Carlsen got a level position against Svidler. Carlsen later got into serious time trouble and did not defend adequately against Svidler's attack, which gave Svidler a winning endgame. Meanwhile, Ivanchuk had outplayed Kramnik, who resigned a few minutes after Carlsen lost. Thus the tournament was won by Carlsen on the second tiebreak.^[9] Carlsen's win earned him the right to challenge the reigning world champion, Viswanathan Anand, for the world title in the World Chess Championship 2013.

Final standings of the 2013 Candidates Tournament^[10]

Rank	Player	Rating March 2013[11]	CAR		KRA		SVI		ARO		GEL		GRI		IVA		RAD		Points	Tiebreaks[3]
																				H2H	Wins
1	Magnus Carlsen (NOR)	2872			½	½	0	1	½	½	1	1	1	½	0	½	½	1	8½	1	5
2	Vladimir Kramnik (RUS)	2810	½	½			1	½	½	1	½	½	½	1	½	0	1	½	8½	1	4
3	Peter Svidler (RUS)	2747	0	1	½	0			1	½	½	½	½	½	1	½	1	½	8	1½	4
4	Levon Aronian (ARM)	2809	½	½	0	½	½	0			1	0	½	½	1	1	1	1	8	½	5
5	Boris Gelfand (ISR)	2740	0	0	½	½	½	½	1	0			½	½	½	½	½	1	6½	1	2
6	Alexander Grischuk (RUS)	2764	½	0	0	½	½	½	½	½	½	½			1	½	½	½	6½	1	1
7	Vasyl Ivanchuk (UKR)	2757	½	1	1	½	½	0	0	0	½	½	½	0			1	0	6	—	3
8	Teimour Radjabov (AZE)	2793	0	½	½	0	½	0	0	0	0	½	½	½	1	0			4	—	1

Pairings and results.^[9] First named player is white. 1–0 indicates a white win, 0–1 indicates a black win, and ½–½ indicates a draw. Numbers in parentheses indicate players' scores prior to the round.

For each player, the difference between wins and losses after each round is shown. The players with the highest difference for each round are marked with green background.

Final place	Player \ Round	1	2	3	4	5	6	7	8	9	10	11	12	13	14
1	Magnus Carlsen (NOR)	=	=	+1	+2	+2	+3	+3	+3	+3	+4	+4	+3	+4	+3
2	Vladimir Kramnik (RUS)	=	=	=	=	=	=	=	+1	+1	+2	+3	+4	+4	+3
3	Peter Svidler (RUS)	=	=	+1	+1	+1	=	=	−1	−1	−1	=	=	+1	+2
4	Levon Aronian (ARM)	=	+1	+2	+2	+2	+3	+3	+3	+2	+3	+2	+1	+1	+2
5	Boris Gelfand (ISR)	=	−1	−2	−2	−2	−2	−2	−1	=	−1	−1	−1	−1	−1
6	Alexander Grischuk (RUS)	=	=	=	−1	−1	−1	−1	=	=	−1	−1	−1	−1	−1
7	Vasyl Ivanchuk (UKR)	=	−1	−2	−2	−2	−2	−2	−3	−2	−3	−3	−2	−3	−2
8	Teimour Radjabov (AZE)	=	+1	=	=	=	−1	−1	−2	−3	−3	−4	−4	−5	−6