09.16.07 After four rounds there have been four decisive games. This time Levon Aronian adds his name to the 1-0 / 0-1 club, joining Anand, Kramnik and Morozevich. Atop the leader board are Kramnik and Anand with 2.5 followed by four players with 2.0. Peter Svidler and Peter Leko are bringing up the rear with 1.5. Monday is a rest day.

The 2007 World Chess Championship will be played from September 12 - October 1, 2007 at the Sheraton Centro Histˆ„rico Hotel in Mexico City, Mexico. Eight of the world's strongest players will face each other in a double round robin tournament to determine the new World Champion. All games begin at 3:00 p.m. EST

Round 4: Sunday, Sept. 16th 2007, 15:00h EST
Peter Svidler 1/2-1/2 Boris Gelfand
Levon Aronian 1-0 Peter Leko
Vladimir Kramnik 1/2-1/2 Alexander Grischuk
Alexander Morozevich 1/2-1/2 Viswanathan Anand
Round 4 Games

Standings after Fourth Round

The only decisive game of the round: Levon Aronian 1-0 over Peter Leko.

In the lead: Vishy Anand.

Alexander Morozevich


The genius from Hungary: Peter Leko.

Video of the start of round four.

Full Schedule and Results (first half)

Round 1: Thursday, Sept. 13th 2007, 15:00h EST
Vladimir Kramnik 1/2-1/2 Peter Svidler
Alexander Morozevich 1/2-1/2 Levon Aronian
Viswanathan Anand 1/2-1/2 Boris Gelfand
Alexander Grischuk 1/2-1/2 Peter Leko
Round 1 Games

Round 2: Friday, Sept. 14th 2007, 15:00h EST
Peter Svidler 1/2-1/2 Peter Leko
Boris Gelfand 1/2-1/2 Alexander Grischuk
Levon Aronian 0-1 Viswanathan Anand
Vladimir Kramnik 1-0 Alexander Morozevich
Round 2 Games

Round 3: Saturday, Sept. 15th 2007, 15:00h EST
Alexander Morozevich 1-0 Peter Svidler
Viswanathan Anand 1/2-1/2 Vladimir Kramnik
Alexander Grischuk 1/2-1/2 Levon Aronian
Peter Leko 1/2-1/2 Boris Gelfand
Round 3 Games

Round 4: Sunday, Sept. 16th 2007, 15:00h EST
Peter Svidler 1/2-1/2 Boris Gelfand
Levon Aronian 1-0 Peter Leko
Vladimir Kramnik 1/2-1/2 Alexander Grischuk
Alexander Morozevich 1/2-1/2 Viswanathan Anand
Round 4 Games

Free day: Monday, Sept. 17th 2007

Round 5: Tuesday, Sept. 18th 2007, 15:00h EST
Viswanathan Anand--Peter Svidler
Alexander Grischuk--Alexander Morozevich
Peter Leko--Vladimir Kramnik
Boris Gelfand--Levon Aronian

Round 6: Wednesday, Sept. 19th 2007, 15:00h EST
Peter Svidler--Levon Aronian
Vladimir Kramnik--Boris Gelfand
Alexander Morozevich--Peter Leko
Viswanathan Anand--Alexander Grischuk

Round 7: Thursday, Sept. 20th 2007, 15:00h EST
Alexander Grischuk--Peter Svidler
Peter Leko--Viswanathan Anand
Boris Gelfand--Alexander Morozevich
Levon Aronian--Vladimir Kramnik

Images and video courtesy www.chessbase.com