WCC lost its sponsors, and Shirov was not satisfied with the prize fund that Kasparov raised, which was considerably smaller.
Kasparov refused to play Shirov, because Shirov - Kramnik match was outside of FIDE; hence, the unification was impossible.
Both Shirov and Kasparov chose not to play, so they could save energy for the FIDE knockout championship in 2000.

2. How did Leko qualify for the 2004 match with Kramnik?

Leko was able to raise the largest prize fund.
Leko had the highest rating on Jan 2003 rating list.
 Leko won a qualifying event in Dortmund 2002.

3. Who won the unifiaction match in Elista 2006?

 Topalov
Kramnik
The match was interrupted half-way through, and it's not clear when it is going to resume.

4. How did game 5 in Elista 2006 go?

Topalov played very strong novelty, got an advantage with black pieces and was able to achieve full point with fine technique.
Kramnik refused to play as a protest to a ruling by the Appeals Committee, and the point was awarded to Topalov.
 Game 5 was a 15 move draw. 

5. How did Kramnik qualify for the 2000 London match with Kasparov?

Kramnik won a FIDE knockout World Championship.
After Anand declined Kramnik had the highest rating, which was the qualifier for this event.
Kramnik was able to raise the prize fund that Kasparov demanded ($5,000,000).

6. Who organized the 2000 London match between Kasparov and Kramnik?

WCC
FIDE
 BGN

7. Who tried to organize the Kasparov - Shirov match in 1998?

 WCC
FIDE
BGN

8. What was the primary goal of the Prague agreement?

To decrease time controls in all top-level events.
To unify FIDE title and the classical title.
To prevent players from agreeing to draws when the game is still in theory.

9. What was the importance of San Luis 2005?

It determined an absolute World Champion.
It determined a FIDE World Champion, who later played in the unification match.
It was a first knockout World Championship ever.

10. What did winning FIDE World Championship in Tripoli 2004 gave Kasimdzhanov?

 A match for the absolute World Championship with Kramnik, but no sponsors were interested in such event. 
A match with Kasparov, but after the later retired; Kasimdzhanov was seeded in the San Luis.
After winning Tripoli Kasimdzhanov was the highest rated player in the world.

11. Which active player currently (Jan, 2007 list) has the highest FIDE rating?

Anand
Kramnik
Topalov

12. Who is Silvio Danailov?

Topalov's manager
Kramnik's manager
President of FIDE

13. How come Ponomariov was one of the four players involved in the Prague agreement.

Kasparov was allowed to hand-pick anyone, and he chose Ponomariov.
He won a FIDE World Championship in 2002.
Ponomariov and Ivanchuk had the identical rating, so the match between the two was organized to see who will be involved in the Prague agreement. Ponomariov won.

14. Which four players have qualified for World Championship in Mexico 2007?

 Kramnik, Topalov, Anand, Svidler
Kramnik, Leko, Anand, Morozevich
Kramnik, Anand, Svidler, Morozevich

15. How will the 4 other participants for World Championship in Mexico 2007 be determinded? 

Former FIDE World Champion, Rustam Kasimdzhanov plus 5 people with the highest average rating from July 2004 and January 2005 in the world, not counting Topalov, Anand, Svidler and Morozevich, plus 10 people who placed in the top 10 in the FIDE World Cup in 2005, not counting the players who already qualified with rating, will be divided into 4 groups and the winner of each group will qualify.
 Not counting the 4 players who already qualified, 4 highest rated players will qualify.  
4 players who raise the largest prize fund will qualify.

16. The decisive score between Kramnik and Topalov in classical games is

 9-8 in Kramnik's favor 
13-7 in Kramnik's favor
12-9 in Topalov's favor

17. What can best explain the outrage among chess public and chess professionals regarding Danailov's and Topalov's behavior.

 Even though Topalov's and Danailov's accusations had no effect on the match, making groundless cheating accusations in the chess world is outrageous.
As a result of Topalov's and Danailov's accusations and demands and an illegal ruling of Appeals Committee, Kramnik refused to play and Topalov was awarded a point.
Danailov and Topalov did not show up at press conferences or talked to the press through out the match.

18. What defenses has Topalov played against 1. e4 recently?

 Najdorf and Petrov
 Petrov and Berlin
 Najdorf and Berlin

19. What defense has Kramnik played mostly against 1. e4 recently?

Najdorf
Petrov
Berlin

20. How did the games start during the World Championship match in Elista 2006 between Kramnik and Topalov?

All of the games started with 1. d4.
Topalov started all games with 1. e4, but Kramnik started all games with 1. d4.
All of the games started with 1. e4.


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