World Chess Championship 2007 - Revision history

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			{{Short description\|Chess championship held in Mexico City}}
	{{Use dmy dates\|date=November 2021}}		{{Use dmy dates\|date=November 2021}}
	{{Infobox sports competition event		{{Infobox sports competition event
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	\| image = Viswanathan Anand 08 14 2005.jpg		\| image = Viswanathan Anand 08 14 2005.jpg
	\| alt = Viswanathan Anand		\| alt = Viswanathan Anand
	\| caption = [[Viswanathan Anand]] ~~of India~~, winner of the World Chess Championship 2007.		\| caption = [[Viswanathan Anand]], winner of the World Chess Championship 2007.
	\| venue =		\| venue =
	\| location = [[Mexico City]], [[Mexico]]		\| location = [[Mexico City]], [[Mexico]]
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	The '''World Chess Championship 2007''' was held in [[Mexico City]], from 12 September 2007 to 30 September 2007 to decide the world champion of the game of [[chess]]. It was an eight-player, double [[round robin tournament]].		The '''World Chess Championship 2007''' was held in [[Mexico City]], from 12 September 2007 to 30 September 2007 to decide the world champion of the game of [[chess]]. It was an eight-player, double [[round robin tournament]].

	[[Viswanathan Anand]] ~~of India [[#Standings\|~~won]] the tournament and the title of [[World Chess Championship\|World Chess Champion]]. His winning score was 9 points out of 14, with a total of four wins and 10 draws, and Anand was the only undefeated player in the tournament.		[[Viswanathan Anand]] won the tournament and the title of [[World Chess Championship\|World Chess Champion]]. His winning score was 9 points out of 14, with a total of four wins and 10 draws, and Anand was the only undefeated player in the tournament.

	==Background==		==Background==
	This championship was unusual in that the [[World Chess Championship]] was decided by a tournament rather than a match.		This championship was unusual in that the [[World Chess Championship]] was decided by a tournament rather than a match.

	The [[FIDE World Chess Championship 2005]] was also a double round robin tournament, but at the time the world title was split, with that tournament being for the [[FIDE]] world championship, and with Classical World Champion [[Vladimir Kramnik]] refusing to take part.<ref>[http://www.chesscenter.com/twic/kramfide.html Official Statement by Vladimir Kramnik], [[The Week in Chess]], 28 April 2005</ref> Soon after the 2005 tournament, FIDE announced that the 2007 World Championship would also be a double round robin tournament.		The [[FIDE World Chess Championship 2005]] was also a double round robin tournament, but at the time the world title was split, with that tournament being for the [[FIDE]] world championship, and with Classical World Champion [[Vladimir Kramnik]] refusing to take part.<ref>[http://www.chesscenter.com/twic/kramfide.html Official Statement by Vladimir Kramnik] {{Webarchive\|url=https://web.archive.org/web/20061013053417/http://www.chesscenter.com/twic/kramfide.html \|date=13 October 2006 }}, [[The Week in Chess]], 28 April 2005</ref> Soon after the 2005 tournament, FIDE announced that the 2007 World Championship would also be a double round robin tournament.

	In <!-- May? --> 2006, FIDE announced the [[World Chess Championship 2006]], to reunify the world chess championship. Because the organization of the 2007 tournament was largely in place, conditions of that match included:		In <!-- May? --> 2006, FIDE announced the [[World Chess Championship 2006]], to reunify the world chess championship. Because the organization of the 2007 tournament was largely in place, conditions of that match included:
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	{{main\|Chess World Cup 2005}}		{{main\|Chess World Cup 2005}}

	The 2005 World Cup, held in [[Khanty-Mansiysk]], Russia, was the qualification for the Candidates tournament. It was a knock-out tournament of mini-matches, in the style of the [[FIDE World Chess Championships 1998-2004]]. However, once 16 players were left, they were no longer immediately eliminated, but played further mini-matches to establish places 1 through 16.		The 2005 World Cup, held in [[Khanty-Mansiysk]], Russia, was the main qualification path for the Candidates tournament (providing 10 out of 16 candidates). It was a knock-out tournament of mini-matches, in the style of the [[FIDE World Chess Championships 1998-2004]]. However, once 16 players were left, they were no longer immediately eliminated, but played further mini-matches to establish places 1 through 16.

	The top finishers were:<ref>[http://www.mark-weeks.com/chess/a5a7$iix.htm 2005 FIDE World Cup Results] at [http://www.mark-weeks.com/chess/wcc-indx.htm Mark Weeks' World Chess Championship Index]</ref><ref>[https://theweekinchess.com/html/twic580.html The Week in Chess 580]</ref>		The top finishers were:<ref>[http://www.mark-weeks.com/chess/a5a7$iix.htm 2005 FIDE World Cup Results] at [http://www.mark-weeks.com/chess/wcc-indx.htm Mark Weeks' World Chess Championship Index]</ref><ref>[https://theweekinchess.com/html/twic580.html The Week in Chess 580]</ref>
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	\|Kramnik (4½) \|\| Anand (6) \|\|align=center \|½–½ \|\|D43 Semi-Slav		\|Kramnik (4½) \|\| Anand (6) \|\|align=center \|½–½ \|\|D43 Semi-Slav
	\|-		\|-
	\|Svidler (3½) \|\| Morozevich (4) \|\|align=center \| ½–½ \|\|B17 [[~~Caro-Kann~~ Defence\|~~Caro-Kann~~]]		\|Svidler (3½) \|\| Morozevich (4) \|\|align=center \| ½–½ \|\|B17 [[Caro–Kann Defence\|Caro–Kann]]
	\|-		\|-
	\|colspan=4 style="background:#cccccc;"\| '''Round 11–25 September'''		\|colspan=4 style="background:#cccccc;"\| '''Round 11–25 September'''
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	For players who finished level on points, the following tie-breakers were applied (in order of precedence): results of games between tied players, total number of wins, [[Neustadtl score]].<ref name="mexicoregualtions" />		For players who finished level on points, the following tie-breakers were applied (in order of precedence): results of games between tied players, total number of wins, [[Neustadtl score]].<ref name="mexicoregualtions" />

			===Points by 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.

			{\| class="wikitable" style="font-size:100%; text-align:center; white-space: nowrap;"
			\|-
			! Final<br/>place !! style="width:140px;" \| Player \ Round
			! 1 !! 2 !! 3 !! 4 !! 5 !! 6 !! 7 !! 8 !! 9 !! 10 !! 11 !! 12 !! 13 !! 14
			\|-
			\| 1 \|\| align=left\|{{flagathlete\|[[Viswanathan Anand]]\|IND}}
			\| bgcolor=#ccffcc\|=0\|\|bgcolor=#ccffcc\|+1\|\|bgcolor=#ccffcc\|+1\|\|bgcolor=#ccffcc\|+1\|\|bgcolor=#ccffcc\|+2\|\|bgcolor=#ccffcc\|+2\|\|bgcolor=#ccffcc\|+3\|\|bgcolor=#ccffcc\|+3\|\|bgcolor=#ccffcc\|+3\|\|bgcolor=#ccffcc\|+3\|\|bgcolor=#ccffcc\|+4\|\|bgcolor=#ccffcc\|+4\|\|bgcolor=#ccffcc\|+4\|\|bgcolor=#ccffcc\|+4
			\|-
			\| 2 \|\| align=left\|{{flagathlete\|[[Vladimir Kramnik]]\|RUS}}
			\| bgcolor=#ccffcc\|=0\|\|bgcolor=#ccffcc\|+1\|\|bgcolor=#ccffcc\|+1\|\|bgcolor=#ccffcc\|+1\|\|+1\|\|+1\|\|+1\|\|+1\|\|=0\|\|=0\|\|=0\|\|+1\|\|+1\|\|+2
			\|-
			\| 3 \|\| align=left\|{{flagathlete\|[[Boris Gelfand]]\|ISR}}
			\| bgcolor=#ccffcc\|=0\|\|=0\|\|=0\|\|=0\|\|+1\|\|bgcolor=#ccffcc\|+2\|\|+2\|\|+2\|\|+1\|\|+1\|\|+1\|\|+2\|\|+2\|\|+2
			\|-
			\| 4 \|\| align=left\|{{flagathlete\|[[Peter Leko]]\|HUN}}
			\| bgcolor=#ccffcc\|=0\|\|=0\|\|=0\|\|−1\|\|−1\|\|−1\|\|−1\|\|=0\|\|=0\|\|=0\|\|=0\|\|−1\|\|=0\|\|=0
			\|-
			\| 5 \|\| align=left\|{{flagathlete\|[[Peter Svidler]]\|RUS}}
			\| bgcolor=#ccffcc\|=0\|\|=0\|\|−1\|\|−1\|\|−2\|\|−2\|\|−2\|\|−2\|\|−2\|\|−2\|\|−2\|\|−2\|\|−2\|\|−1
			\|-
			\| 6 \|\| align=left\|{{flagathlete\|[[Alexander Morozevich]]\|RUS}}
			\| bgcolor=#ccffcc\|=0\|\|−1\|\|=0\|\|=0\|\|−1\|\|−2\|\|−2\|\|−2\|\|−1\|\|−1\|\|−2\|\|−1\|\|−2\|\|−2
			\|-
			\| 7 \|\| align=left\|{{flagathlete\|[[Levon Aronian]]\|ARM}}
			\| bgcolor=#ccffcc\|=0\|\|−1\|\|−1\|\|=0\|\|−1\|\|−1\|\|−1\|\|−1\|\|−1\|\|=0\|\|=0\|\|−1\|\|−1\|\|−2
			\|-
			\| 8 \|\| align=left\|{{flagathlete\|[[Alexander Grischuk]]\|RUS}}
			\| bgcolor=#ccffcc\|=0\|\|=0\|\|=0\|\|=0\|\|+1\|\|+1\|\|=0\|\|−1\|\|=0\|\|−1\|\|−1\|\|−2\|\|−2\|\|−3
			\|}

	==References==		==References==

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{{Use dmy dates|date=November 2021}}
{{Infobox sports competition event
| competition = [[World Chess Championship]] 2007
| governing_body = [[FIDE]]
| image = Viswanathan Anand 08 14 2005.jpg
| alt = Viswanathan Anand
| caption = [[Viswanathan Anand]] of India, winner of the World Chess Championship 2007.
| venue =
| location = [[Mexico City]], [[Mexico]]
| dates = 12–30 September 2007
| competitors = 8
| nations = 5
| champion = {{flagicon|IND}} [[Viswanathan Anand]]
| win_score = 9 points of 14
| previous = [[World Chess Championship 2006|2006]]
| next = [[World Chess Championship 2008|2008]]
}}
The '''World Chess Championship 2007''' was held in [[Mexico City]], from 12 September 2007 to 30 September 2007 to decide the world champion of the game of [[chess]]. It was an eight-player, double [[round robin tournament]].

[[Viswanathan Anand]] of India [[#Standings|won]] the tournament and the title of [[World Chess Championship|World Chess Champion]]. His winning score was 9 points out of 14, with a total of four wins and 10 draws, and Anand was the only undefeated player in the tournament.

==Background==
This championship was unusual in that the [[World Chess Championship]] was decided by a tournament rather than a match.

The [[FIDE World Chess Championship 2005]] was also a double round robin tournament, but at the time the world title was split, with that tournament being for the [[FIDE]] world championship, and with Classical World Champion [[Vladimir Kramnik]] refusing to take part.<ref>[http://www.chesscenter.com/twic/kramfide.html Official Statement by Vladimir Kramnik], [[The Week in Chess]], 28 April 2005</ref> Soon after the 2005 tournament, FIDE announced that the 2007 World Championship would also be a double round robin tournament.

In  2006, FIDE announced the [[World Chess Championship 2006]], to reunify the world chess championship. Because the organization of the 2007 tournament was largely in place, conditions of that match included:
* If Classical champion (Kramnik) defeated FIDE Champion [[Veselin Topalov]], Kramnik would take Topalov's place in the 2007 tournament.
* The 2007 tournament would be a world championship.

Kramnik won the 2006 match. In June 2007, Kramnik confirmed that he recognized the 2007 tournament as the world championship, while expressing a personal preference for the championship to be decided by a match.<ref>[http://www.chessbase.com/newsdetail.asp?newsid=3899 Vladimir Kramnik on the world of chess (Part 2)], [[Chessbase]], 1 June 2007</ref>

FIDE later announced that future world championships (beginning with the [[World Chess Championship 2008]]) would be decided by matches between the champion and a challenger.<ref>[http://www.fide.com/official/handbook.asp?level=DD106 Regulations for the 2007 – 2009 World Chess Championship Cycle], sections 4 and 5, [[FIDE]] online. Undated, but reported in [http://www.chessbase.com/newsdetail.asp?newsid=3948 Chessbase on 24 Jun 2007]</ref> At the same time FIDE announced that, as compensation for being denied entry to the 2007 tournament, Topalov would have special privileges in the [[World Chess Championship 2010]] cycle.

==Participants==
{| class="wikitable" style="vertical-align:bottom;"
|-
! Qualification path
! Player
! Age
! Rating (July 2007)
! Rank
|-
| style="vertical-align:middle;" | [[World Chess Championship 2006|Reigning World Champion]]
| {{flagathlete|[[Vladimir Kramnik]]|Russia}}
| 32
| 2769
| 3
|-
| rowspan="3" style="vertical-align:middle;" | Joint second and fourth place in the [[FIDE World Chess Championship 2005]]
| {{flagathlete|[[Viswanathan Anand]]|India}}
| 37
| 2792
| 1
|-
| {{flagathlete|[[Peter Svidler]]|Russia}}
| 31
| 2735
| 12
|-
| {{flagathlete|[[Alexander Morozevich]]|Russia}}
| 30
| 2758
| 5
|-
| rowspan="4" style="vertical-align:middle;" | Qualified via the [[World_Chess_Championship_2007#2007_Candidates_tournament|Candidates Tournament]]
| {{flagathlete|[[Péter Lékó]]|Hungary}}
| 28
| 2751
| 7
|-
| {{flagathlete|[[Boris Gelfand]]|Israel}}
| 39
| 2733
| 13
|-
| {{flagathlete|[[Levon Aronian]]|Armenia}}
| 24
| 2750
| 8
|-
| {{flagathlete|[[Alexander Grischuk]]|Russia}}
| 23
| 2726
| 14
|}

==Qualification process==
The top four finishers of the [[FIDE World Chess Championship 2005|2005 FIDE World Championship]] event were granted direct entry into the 2007 event. However, [[Veselin Topalov]], [[FIDE World Chess Championship 2005|FIDE World Chess Champion 2005]], was replaced by [[Vladimir Kramnik]], Classical World Chess Champion, after losing his unification match to him in the [[World Chess Championship 2006|2006 World Championship]].

Four further players qualified through the 2005–07 qualification process, which consisted of three stages:
#Continental championships
#2005 World Cup
#2007 Candidates Tournament

===2005 World Cup===
{{main|Chess World Cup 2005}}

The 2005 World Cup, held in [[Khanty-Mansiysk]], Russia, was the qualification for the Candidates tournament. It was a knock-out tournament of mini-matches, in the style of the [[FIDE World Chess Championships 1998-2004]]. However, once 16 players were left, they were no longer immediately eliminated, but played further mini-matches to establish places 1 through 16.

The top finishers were:<ref>[http://www.mark-weeks.com/chess/a5a7$iix.htm 2005 FIDE World Cup Results] at [http://www.mark-weeks.com/chess/wcc-indx.htm Mark Weeks' World Chess Championship Index]</ref><ref>[https://theweekinchess.com/html/twic580.html The Week in Chess 580]</ref>

{{col-begin}}
{{col-break}}
#{{flagathlete|'''[[Levon Aronian]]'''|Armenia}}
#{{flagathlete|'''[[Ruslan Ponomariov]]'''|Ukraine}}
#{{flagathlete|'''[[Étienne Bacrot]]'''|France}}
#{{flagathlete|'''[[Alexander Grischuk]]'''|Russia}}
#{{flagathlete|'''[[Evgeny Bareev]]'''|Russia}}
#{{flagathlete|'''[[Boris Gelfand]]'''|Israel}}
#{{flagathlete|'''[[Sergei Rublevsky]]'''|Russia}}
#{{flagathlete|'''[[Mikhail Gurevich (chess player)|Mikhail Gurevich]]'''|Turkey}}
{{col-break}}
<ol start=9>
<li>{{flagathlete|'''[[Gata Kamsky]]'''|USA}}</li>
<li>{{flagathlete|'''[[Magnus Carlsen]]'''|Norway}}</li>
<li>{{flagathlete|'''[[Vladimir Malakhov (chess player)|Vladimir Malakhov]]'''|Russia}}</li>
<li>{{flagathlete|[[Francisco Vallejo Pons]]|Spain}}</li>
<li>{{flagathlete|[[Alexey Dreev]]|Russia}}</li>
<li>{{flagathlete|[[Loek van Wely]]|Netherlands}}</li>
<li>{{flagathlete|[[Joël Lautier]]|France}}</li>
<li>{{flagathlete|[[Konstantin Sakaev]]|Russia}}</li>
</ol>
{{col-end}}

The top 10 qualified for the Candidates Tournament. Since Bacrot was already qualified on rating, 11th placed Malakhov also qualified.

===2007 Candidates tournament===
One place in the [[Candidates Tournament]] was reserved for [[FIDE World Chess Championship 2004|2004 FIDE World Champion]] Kasimdzhanov, who had also finished 6th in the [[FIDE World Chess Championship 2005|2005 championship tournament]]. Five places were then awarded to the five [[Elo rating system|highest rated players]] (average of July 2004 and January 2005 ratings): Leko, Adams, Polgar, Shirov and Bacrot. The remaining ten places went to the highest finishers at the [[Chess World Cup 2005|2005 World Cup]] who had not otherwise qualified (see above).

The Candidates tournament, held in [[Elista]], [[Kalmykia]], Russia, from 26 May to 14 June 2007, was originally to consist of a two-round [[Single-elimination tournament|knockout]] with one player qualifying from each quarter of the draw. In September 2006, FIDE proposed that these players play a 16 player, single round-robin tournament instead.<ref>[http://www.chessbase.com/newsdetail.asp?newsid=3365 FIDE proposes Candidates tournament 2007], Chessbase, 24 September 2006.</ref> However this decision was reversed, and the tournament consisted of two rounds of matches as originally planned.<ref>[https://theweekinchess.com/html/twic654.html The Week in Chess 654], [[The Week in Chess]], 21 May 2007</ref>

World Cup winner Aronian was top seed, with the remaining players seeded in rating order according to the January 2006 ratings list. In the second round, the 1v16 winner played the 8v9 winner, 2v15 winner versus 7v10 winner, and so on.

====Match conditions====
Matches were best of six games, at normal time controls (40/120, then 20/60, then 15 minutes + 30 seconds per move). Where matches were tied after six games, tie breaks were played on the seventh day:

# Best of four rapid games were played. Rapid time control was 25 minutes for the game, plus 10 seconds per move.
# Where the score was still tied, best of two blitz games were played. Blitz time control was 5 minutes for the game, plus 10 seconds per move.
# If the score was still tied, the players would have drawn lots for a single sudden death game where White had six minutes but needed to win, Black had five minutes but only needed to [[draw (chess)|draw]]. This final stage of tie break, called an [[Armageddon chess]] game, was never required.

====Round 1====
:{| class="wikitable"
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center
| '''1'''
| align=left | {{flagathlete|'''[[Levon Aronian]]'''|ARM}}
| '''2759'''
| style="background:black; color:white" | 1
| ½
| style="background:black; color:white" | 0
| 1
| style="background:black; color:white" | 0
| ½
| 4
| '''7'''
|- align=center
| 16
| align=left | {{flagathlete|[[Magnus Carlsen]]|NOR}}
| 2693
| 0
| style="background:black; color:white" | ½
| 1
| style="background:black; color:white" | 0
| 1
| style="background:black; color:white" | ½
| 2
| 5
|-
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center
| '''8'''
| align=left | {{flagathlete|'''[[Alexei Shirov]]'''|ESP}}
| '''2699'''
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | ½
| 0
| style="background:black; color:white" | ½
| 1
| 2½
| '''5½'''
|- align=center
| 9
| align=left | {{flagathlete|[[Michael Adams (chess player)|Michael Adams]]|ENG}}
| 2734
| ½
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | 1
| ½
| style="background:black; color:white" | 0
| ½
| 3½
|-
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center
| '''2'''
| align=left | {{flagathlete|'''[[Peter Leko]]'''|HUN}}
| '''2738'''
| ½
| style="background:black; color:white" | 1
| 1
| style="background:black; color:white" | 1
| –
| –
| –
| '''3½'''
|- align=center
| 15
| align=left | {{flagathlete|[[Mikhail Gurevich (chess player)|Mikhail Gurevich]]|TUR}}
| 2639
| style="background:black; color:white" | ½
| 0
| style="background:black; color:white" | 0
| 0
| –
| –
| –
| ½
|-
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center
| 7
| align=left | {{flagathlete|[[Judit Polgár]]|HUN}}
| 2727
| ½
| style="background:black; color:white" | 0
| ½
| style="background:black; color:white" | 0
| 1
| style="background:black; color:white" | ½
| –
| 2½
|- align=center
| '''10'''
| align=left | {{flagathlete|'''[[Evgeny Bareev]]'''|RUS}}
| '''2643'''
| style="background:black; color:white" | ½
| 1
| style="background:black; color:white" | ½
| 1
| style="background:black; color:white" | 0
| ½
| –
| '''3½'''
|-
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center
| 3
| align=left | {{flagathlete|[[Ruslan Ponomariov]]|UKR}}
| 2717
| ½
| style="background:black; color:white" | ½
| 0
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | ½
| –
| 2½
|- align=center
| '''14'''
| align=left | {{flagathlete|'''[[Sergei Rublevsky]]'''|RUS}}
| '''2680'''
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | 1
| ½
| style="background:black; color:white" | ½
| ½
| –
| '''3½'''
|-
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center
| '''6'''
| align=left | {{flagathlete|'''[[Alexander Grischuk]]'''|RUS}}
| '''2717'''
| 1
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | 1
| ½
| –
| –
| '''3½'''
|- align=center
| 11
| align=left | {{flagathlete|[[Vladimir Malakhov (chess player)|Vladimir Malakhov]]|RUS}}
| 2679
| style="background:black; color:white" | 0
| ½
| style="background:black; color:white" | ½
| 0
| style="background:black; color:white" | ½
| –
| –
| 1½
|-
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center
| '''4'''
| align=left | {{flagathlete|'''[[Boris Gelfand]]'''|ISR}}
| '''2733'''
| ½
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | ½
| 2½
| '''5½'''
|- align=center
| 13
| align=left | {{flagathlete|[[Rustam Kasimdzhanov]]|UZB}}
| 2677
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | ½
| ½
| ½
| 3½
|-
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center
| 5
| align=left | {{flagathlete|[[Étienne Bacrot]]|FRA}}
| 2709
| style="background:black; color:white" | ½
| 0
| style="background:black; color:white" | 0
| 0
| –
| –
| –
| ½
|- align=center
| '''12'''
| align=left | {{flagathlete|'''[[Gata Kamsky]]'''|USA}}
| '''2705'''
| ½
| style="background:black; color:white" | 1
| 1
| style="background:black; color:white" | 1
| –
| –
| –
| '''3½'''
|}

====Round 2====
:{| class="wikitable"
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center style="background:#ccffcc;"
| '''1'''
| align=left | {{flagathlete|'''[[Levon Aronian]]'''|ARM}}
| '''2759'''
| 1
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | ½
| –
| '''3½'''
|- align=center
| 8
| align=left | {{flagathlete|[[Alexei Shirov]]|ESP}}
| 2699
| style="background:black; color:white" | 0
| ½
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | ½
| ½
| –
| 2½
|-
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center style="background:#ccffcc;"
| '''2'''
| align=left | {{flagathlete|'''[[Peter Leko]]'''|HUN}}
| '''2738'''
| 1
| style="background:black; color:white" | ½
| 1
| style="background:black; color:white" | ½
| ½
| –
| –
| '''3½'''
|- align=center
| 10
| align=left | {{flagathlete|[[Evgeny Bareev]]|RUS}}
| 2643
| style="background:black; color:white" | 0
| ½
| style="background:black; color:white" | 0
| ½
| style="background:black; color:white" | ½
| –
| –
| 1½
|-
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center style="background:#ccffcc;"
| '''4'''
| align=left | {{flagathlete|'''[[Boris Gelfand]]'''|ISR}}
| '''2733'''
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | 1
| ½
| style="background:black; color:white" | 1
| –
| –
| '''3½'''
|- align=center
| 12
| align=left | {{flagathlete|[[Gata Kamsky]]|USA}}
| 2705
| ½
| style="background:black; color:white" | ½
| 0
| style="background:black; color:white" | ½
| 0
| –
| –
| 1½
|-
!Seed!!Name!!Rating!!1!!2!!3!!4!!5!!6!!TB!!Total
|- align=center style="background:#ccffcc;"
| '''6'''
| align=left | {{flagathlete|'''[[Alexander Grischuk]]'''|RUS}}
| '''2717'''
| 1
| style="background:black; color:white" | ½
| ½
| style="background:black; color:white" | 0
| ½
| style="background:black; color:white" | ½
| 2½
| '''5½'''
|- align=center
| 14
| align=left | {{flagathlete|[[Sergei Rublevsky]]|RUS}}
| 2680
| style="background:black; color:white" | 0
| ½
| style="background:black; color:white" | ½
| 1
| style="background:black; color:white" | ½
| ½
| ½
| 3½
|}

The four second round winners qualified for the championship tournament.

==2007 Championship tournament==

===Playing conditions===
The tournament was a double round robin, with the first round on 13 September 2007 and the final round on 29 September 2007. Rest days were on the 17th, 22nd and 26th, that is after rounds 4, 8 and 11. Games each day began at 2 pm local time, which is 19:00 [[Coordinated Universal Time|UTC]]. The time control was ''40/2h, 20/1h, 15m+30sec/all'' meaning that each player had 2 hours per game, plus an extra hour added after the 40th move, 15 extra minutes added after the 60th move, and from there on 30 extra seconds added for each move ([[Time control#Compensation (delay methods)|Fischer delay]]).<ref name="mexicoregualtions">{{cite web |url=http://www.fide.com/official/handbook.asp?level=DD105 |title=Regulations for the World Chess Championship Tournament |access-date=17 September 2007 |publisher=[[FIDE]] |archive-url = https://web.archive.org/web/20070405205934/http://www.fide.com/official/handbook.asp?level=DD105  |archive-date = 5 April 2007}}</ref> The pairings were made on Wednesday, 12 September 2007.<ref>[http://www.chessbase.com/newsdetail.asp?newsid=4110 Mexico countdown: Openings Ceremony, pairings], Chessbase, 13 September 2007</ref>

===Results===
{{col-begin}}
{{col-2}}
:{| class="wikitable" style="font-size: 95%"
|colspan=4 style="background:#cccccc;"| '''Round 1–13 September'''
|-
|Anand || Gelfand ||align=center | ½–½ || [[Encyclopedia of Chess Openings|C42]] [[Petrov's Defence|Petrov]]
|-
|Kramnik || Svidler ||align=center | ½–½ || D43 [[Slav Defense|Slav]]
|-
|Morozevich || Aronian ||align=center | ½–½ || E12 [[Queen's Indian Defense|Queen's Indian]]
|-
|Grischuk || Lékó ||align=center | ½–½ || C88 [[Ruy Lopez]]
|-
|colspan=4 style="background:#cccccc;"| '''Round 2–14 September'''
|-
|Kramnik (½) || Morozevich (½)||align=center | 1–0 || E04 [[Catalan Opening|Catalan]]
|-
|Gelfand (½) || Grischuk (½) ||align=center | ½–½ || E15 Queen's Indian
|-
|Svidler (½) || Lékó (½) ||align=center | ½–½ || C89 Ruy Lopez
|-
|Aronian (½) || Anand (½) ||align=center | 0–1 || D43 [[Queen's Gambit Declined|QGD]]
|-
|colspan=4 style="background:#cccccc;"| '''Round 3–15 September'''
|-
|Anand (1½) || Kramnik (1½) ||align=center | ½–½ || C42 Petrov
|-
|Grischuk (1) || Aronian (½) ||align=center | ½–½ || C88 Ruy Lopez
|-
|Lékó (1) || Gelfand (1) ||align=center | ½–½ || C42 Petrov
|-
|Morozevich (½)|| Svidler (1) ||align=center | 1–0 || C45 [[Scotch Game|Scotch]]
|-
|colspan=4 style="background:#cccccc;"| '''Round 4–16 September'''
|-
|Aronian (1) || Lékó (1½) ||align=center | 1–0 || A33 [[Benoni Defense|Benoni]]
|-
|Kramnik (2) || Grischuk (1½) ||align=center | ½–½ || E06 Catalan
|-
|Morozevich (1½)|| Anand (2) ||align=center | ½–½ || D47 QGD
|-
|Svidler (1) || Gelfand (1½) ||align=center | ½–½ || C42 Petrov
|-
|colspan=4 style="background:#cccccc;"| '''Round 5–18 September'''
|-
|Anand (2½) || Svidler (1½) ||align=center | 1–0 || C89 Ruy Lopez
|-
|Gelfand (2) || Aronian (2) ||align=center | 1–0 || A60 Benoni
|-
|Grischuk (2) || Morozevich (2)||align=center | 1–0 || D38 QGD
|-
|Lékó (1½) || Kramnik (2½) ||align=center | ½–½ || C54 [[Bishop's Opening|Bishop's]]
|-
|colspan=4 style="background:#cccccc;"| '''Round 6–19 September'''
|-
|Aronian (2) || Kramnik (3) ||align=center | ½–½ || E06 Catalan
|-
|Gelfand (3) || Morozevich (2)||align=center | 1–0 || E17 Queen's Indian
|-
|Grischuk (3) || Svidler (1½) ||align=center | ½–½ || D43 [[Semi-Slav Defense|Semi-Slav]]
|-
|Lékó (2) || Anand (3½) ||align=center | ½–½ || C78 Ruy Lopez
|-
|colspan=4 style="background:#cccccc;"| '''Round 7–20 September'''
|-
|Anand (4) || Grischuk (3½) ||align=center | 1–0 || C88 Ruy Lopez
|-
|Kramnik (3½) || Gelfand (4) ||align=center | ½–½ || D43 Slav
|-
|Morozevich (2) || Lékó (2½) ||align=center | ½–½ || C45 Scotch
|-
|Svidler (2) || Aronian (2½) ||align=center | ½–½ || C69 Ruy Lopez
|}
{{col-2}}
{| class="wikitable" style="font-size: 95%"
|colspan=4 style="background:#cccccc;"| '''Round 8–21 September'''
|-
|Aronian (3) || Morozevich (2½) ||align=center | ½–½ || E17 Queen's Indian
|-
|Gelfand (4½) || Anand (5) ||align=center | ½–½ || E06 Catalan
|-
|Lékó (3) || Grischuk (3½) ||align=center | 1–0 || C88 Ruy Lopez
|-
|Svidler (2½) || Kramnik (4) ||align=center | ½–½ || C42 Petrov
|-
|colspan=4 style="background:#cccccc;"| '''Round 9–23 September'''
|-
|Anand (5½) || Aronian (3½) ||align=center | ½–½ ||C89 Ruy Lopez
|-
|Grischuk (3½) || Gelfand (5) ||align=center | 1–0 ||E20 [[Nimzo-Indian Defence|Nimzo-Indian]]
|-
|Lékó (4) || Svidler (3) ||align=center | ½–½ ||B90 [[Sicilian Defence, Najdorf Variation|Najdorf Sicilian]]
|-
|Morozevich (3) || Kramnik (4½) ||align=center | 1–0 ||E61 [[King's Indian Defence|King's Indian]]
|-
|colspan=4 style="background:#cccccc;"| '''Round 10–24 September'''
|-
|Aronian (4) || Grischuk (4½) ||align=center | 1–0 ||D30 QGD
|-
|Gelfand (5) || Lékó (4½) ||align=center | ½–½ ||E05 Catalan
|-
|Kramnik (4½) || Anand (6) ||align=center |½–½ ||D43 Semi-Slav
|-
|Svidler (3½) || Morozevich (4) ||align=center | ½–½ ||B17 [[Caro-Kann Defence|Caro-Kann]]
|-
|colspan=4 style="background:#cccccc;"| '''Round 11–25 September'''
|-
|Anand (6½) || Morozevich (4½) ||align=center | 1–0 ||B90 Najdorf Sicilian
|-
|Gelfand (5½) || Svidler (4) ||align=center | ½–½ ||A15 [[English Opening|English]]
|-
|Grischuk (4½) || Kramnik (5) ||align=center | ½–½ ||C43 Petrov
|-
|Lékó (5) || Aronian (5) ||align=center | ½–½ ||E15 Queen's Indian
|-
|colspan=4 style="background:#cccccc;"| '''Round 12–27 September'''
|-
|Aronian (5½) || Gelfand (6) ||align=center | 0–1 ||D43 Semi-Slav
|-
|Kramnik (5½) || Lékó (5½) ||align=center | 1–0 ||E05 Catalan
|-
|Morozevich (4½) || Grischuk (5) ||align=center | 1–0 ||A28 English
|-
|Svidler (4½) || Anand (7½) ||align=center | ½–½ || C88 Ruy Lopez
|-
|colspan=4 style="background:#cccccc;"| '''Round 13–28 September'''
|-
|Aronian (5½) || Svidler (5) ||align=center |½–½||A29 English
|-
|Gelfand (7) || Kramnik (6½) ||align=center |½–½||D47 Semi-Slav
|-
|Grischuk (5) || Anand (8) ||align=center | ½–½ ||D43 Semi-Slav
|-
|Lékó (5½) || Morozevich (5½) ||align=center | 1–0 ||B66 [[Sicilian Defence|Sicilian]]
|-
|colspan=4 style="background:#cccccc;"| '''Round 14–29 September'''
|-
|Anand (8½) ||Lékó (6½) ||align=center | ½–½ ||C89 Ruy Lopez
|-
|Kramnik (7) ||Aronian (6) ||align=center | 1–0 ||E15 Queen's Indian
|-
|Morozevich (5½)||Gelfand (7½) ||align=center | ½–½ ||C42 Petrov
|-
|Svidler (5½) ||Grischuk (5½)||align=center | 1–0 ||B90 Najdorf Sicilian
|}
{{col-end}}
<small>Numbers in parentheses indicate players' scores prior to the round.</small>

===Final standings===

:{| class="wikitable"
|-
!Rank!!Player!!Rating
!colspan="2"|ANA
!colspan="2"|KRA
!colspan="2"|GEL
!colspan="2"|LEK
!colspan="2"|SVI
!colspan="2"|MOR
!colspan="2"|ARO
!colspan="2"|GRI
!Points!!H2H!!Wins!!NS
|- align="center" style="background:white; color:black"
|style="background:#ccffcc;"|'''1'''||align="left" style="background:#ccffcc;"|{{flagathlete|'''[[Viswanathan Anand]]'''|IND}}
|style="background:#ccffcc;"|'''2792'''
|style="background:gray" colspan="2"|
|½||style="background:black; color:white"|½
|½||style="background:black; color:white"|½
|½||style="background:black; color:white"|½
|1||style="background:black; color:white"|½
|1||style="background:black; color:white"|½
|½||style="background:black; color:white"|1
|1||style="background:black; color:white"|½
|style="background:#ccffcc;"|'''9'''|| style="background:#ccffcc;"| || style="background:#ccffcc;"| || style="background:#ccffcc;"|
|- align="center" style="background:white; color:black"
|2||align="left"|{{flagathlete|[[Vladimir Kramnik]]|RUS}}
|2769
|½||style="background:black; color:white"|½
|style="background:gray" colspan="2"|
|½||style="background:black; color:white"|½
|1||style="background:black; color:white"|½
|½||style="background:black; color:white"|½
|1||style="background:black; color:white"|0
|1||style="background:black; color:white"|½
|½||style="background:black; color:white"|½
|8||1||3||54.50
|- align="center" style="background:white; color:black"
|3||align="left"|{{flagathlete|[[Boris Gelfand]]|ISR}}
|2733
|½||style="background:black; color:white"|½
|½||style="background:black; color:white"|½
|style="background:gray" colspan="2"|
|½||style="background:black; color:white"|½
|½||style="background:black; color:white"|½
|1||style="background:black; color:white"|½
|1||style="background:black; color:white"|1
|½||style="background:black; color:white"|0
|8||1||3||54.25
|- align="center" style="background:white; color:black"
|4||align="left"|{{flagathlete|[[Peter Leko]]|HUN}}
|2751
|½||style="background:black; color:white"|½
|½||style="background:black; color:white"|0
|½||style="background:black; color:white"|½
|style="background:gray" colspan="2"|
|½||style="background:black; color:white"|½
|1||style="background:black; color:white"|½
|½||style="background:black; color:white"|0
|1||style="background:black; color:white"|½
|7|| || ||
|- align="center" style="background:white; color:black"
|5||align="left"|{{flagathlete|[[Peter Svidler]]|RUS}}
|2735
|½||style="background:black; color:white"|0
|½||style="background:black; color:white"|½
|½||style="background:black; color:white"|½
|½||style="background:black; color:white"|½
|style="background:gray" colspan="2"|
|½||style="background:black; color:white"|0
|½||style="background:black; color:white"|½
|1||style="background:black; color:white"|½
|6½|| || ||
|- align="center" style="background:white; color:black"
|6||align="left"|{{flagathlete|[[Alexander Morozevich]]|RUS}}
|2758
|½||style="background:black; color:white"|0
|1||style="background:black; color:white"|0
|½||style="background:black; color:white"|0
|½||style="background:black; color:white"|0
|1||style="background:black; color:white"|½
|style="background:gray" colspan="2"|
|½||style="background:black; color:white"|½
|1||style="background:black; color:white"|0
|6||1||3||
|- align="center" style="background:white; color:black"
|7||align="left"|{{flagathlete|[[Levon Aronian]]|ARM}}
|2750
|0||style="background:black; color:white"|½
|½||style="background:black; color:white"|0
|0||style="background:black; color:white"|0
|1||style="background:black; color:white"|½
|½||style="background:black; color:white"|½
|½||style="background:black; color:white"|½
|style="background:gray" colspan="2"|
|1||style="background:black; color:white"|½
|6||1||2||
|- align="center" style="background:white; color:black"
|8||align="left"|{{flagathlete|[[Alexander Grischuk]]|RUS}}
|2726
|½||style="background:black; color:white"|0
|½||style="background:black; color:white"|½
|1||style="background:black; color:white"|½
|½||style="background:black; color:white"|0
|½||style="background:black; color:white"|0
|1||style="background:black; color:white"|0
|½||style="background:black; color:white"|0
|style="background:gray" colspan="2"|
|5½|| || ||
|}

<small>Key: H2H = head-to-head, points against tied player; NS = [[Neustadtl score]]</small>

For players who finished level on points, the following tie-breakers were applied (in order of precedence): results of games between tied players, total number of wins, [[Neustadtl score]].<ref name="mexicoregualtions" />

==References==
{{reflist}}

{{Chess}}
{{World Chess Championships|state=expanded}}

[[Category:World Chess Championships|2007]]
[[Category:2007 in chess]]
[[Category:2007 in Mexican sports]]
[[Category:Chess in Mexico]]
[[Category:Sports competitions in Mexico City]]
[[Category:2000s in Mexico City]]
[[Category:September 2007 sports events in North America]]