Topalov

(Ideally, white should take on c5 with a piece, but Topalov is making it more difficult.

Lubomir Kavalek: Chess Champion's Class Act Lubomir Kavalek 2010

(Ideally, white should take on c5 with a piece, but Topalov is making it more difficult.

Lubomir Kavalek: Chess Champion's Class Act Lubomir Kavalek 2010

It is also a defense Anand used in his victory of the crucial last game against Topalov at the world championship match this year in Sofia.

Lubomir Kavalek: Chess Champion's Class Act Lubomir Kavalek 2010

Bxd4 a6 but it was an uphill battle against Topalov and Karjakin this year in Monte-Carlo.

Lubomir Kavalek: Kamsky Defends U.S. Chess Title Lubomir Kavalek 2011

The above mentioned game Topalov - Anand, Sofia 2010, continued: 9 ... c6 10.

Lubomir Kavalek: Chess Champion's Class Act Lubomir Kavalek 2010

It is also a defense Anand used in his victory of the crucial last game against Topalov at the world championship match this year in Sofia.

Lubomir Kavalek: Chess Champion's Class Act Lubomir Kavalek 2010

It can lead to early knockouts as in Carlson's victory against Veselin Topalov, shown below.

Lubomir Kavalek: Aronian Wins the Last Amber Chess Tourney Lubomir Kavalek 2011

He is scheduled to play the Candidates match against Veselin Topalov next week in Kazan, Russia.

Lubomir Kavalek: Kamsky Defends U.S. Chess Title Lubomir Kavalek 2011

Polgar stopped playing women-only events at 12, soared as high as the world top 10 with her creative attacks and only a few weeks ago, despite being a semi-retired mother of two, impressively crushed the elite GMs Veselin Topalov and Vassily Ivanchuk in Mexico.

Leonard Barden on Chess 2011

That year Kasparov not only played well, but he also created his most spectacular game against the Bulgarian Veselin Topalov.

Lubomir Kavalek: Hikaru Nakamura's Great Chess Triumph Lubomir Kavalek 2011