The Jack Rabbit Chess Report for March 18

[Jack Rabbit]

The Jack Rabbit Chess Report
for the week ending March 18



Image: Alan Studt, Egersis
from Asknice

Contents

Post 1: News for the week
Post 2: Diagrams and other features
Post 3: Games from Current and Recent Events

[Jack Rabbit]

1. News for the week ending March 18

16th Amber Rapid/Blindfold underway in Monaco



The 16th annual Amber Tournament began yesterday in Monaco.

There are 12 grandmasters in the event. Each competitor plays two games per day: First a blindfold game in the afternoon, then a rapid game against the same opponet with the colors reverse in the evening.

Prizes are awarde for best score in each of the two divisions and for best overall score.

The participants are world champion Vladimir Kramnik (Russia), Vishy Anand (India), Levon Aronian (Armenia), Magnus Carlsen (Norway), Boris Gelfand (Israel), Vassily Ivanchuk (Ukraine), Peter Leko (Hungary), Alexander Morozevich (Russia), Teimour Radjabov (Azerbaijan), Peter Svidler (Russia), Paco Vallejo (Spain) and Loek van Wely (Holland).

The tournament concludes Thursday, March 29.

After two rounds, Kramnik is the only player in the blindfold competition with a perfect score. In the rapid competition, Aronian leads with towo out of two. Kramnik and Aronian are tied for the overall lead with 3½ points out of four.


Karpov Tourmanet begins in Poikovsky



The eighth annual tournament named for living chess legend Anatoly Karpov began Thursday in Poikovsky, Russia.

The tournament features ten competitors, all grandmasters, who will play a single round robin. The event ends Friday, March 23.

The participants are Evgeny Alekseev (Russia), Viorel Bologan (Malovia), Alexey Dreev (Russia), Andrei Istratescu (Romania), Dmitry Jakovenko (Russia), Alex Onischuk (United States), Sergei Rublevsky (Russia), Emil Sutovsky (Israel), Vlad Tkachiev (France) and Zhang Pengxiang (China).

After four rounds, there is a four-way tie for first place at 2½ points each among Istratescu, Jakovenko, Rublevsky and Sutovsky.

[Jack Rabbit]

2. Diagrams and other features of the JR Chess Report

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White to move
This position is a theoretical draw

Does this picture make sense to you? If not, or if it looks like a bunch of Wingdings, please click here.

Diagrams used in the Jack Rabbit Chess Report are made with Chess Merida, a true type font that is available as freeware at the above link.

Also, the JR chess report makes the main variation in annotations more distinct and readable by putting it in red. A secondary variation, is in blue and other colors are used if needed.

[Jack Rabbit]

3. Games from current and recent events

Chess Games
Analysis by JR and Fritz

Peter Svidler - Alexander Morozevich, Super GM Tournament, Round 14, Linares
Loek van Wely - Vassily Ivanchuk, Amber Tournament (Blindfold), Round 1, Monaco
Shadi Paridar - Ahmed Ari, Asian Cities Team Tournament, Round 6, Tehran

[Jack Rabbit]

4. Svidler - Morozevich, Super GM Tournament, Round 14, Linares

Alexander Morozevich
Photo: ChessBase.com

Peter Svidler vs. Alexander Morozevich
Morelia-Linares Super GM Tournament, Round 14
Linares, Andalucía (Spain), March 2007

French Advance Game: Vienna Opening (Horseman Defense) (Steinitz Variation)

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6

• If 7. -- Qb6 8. Na4 Qa5+ 9. c3 then:
• 9. -- cxd4 10. b4 Nxb4 11. cxb4 Bxb4+ 12. Bd2 Bxd2+ 13. Nxd2 g5 14. Rb1 gxf4 15. Bb5 Rb8 16. Nc5 Qc3 17. Nd3 +/= Short-Timman, Amsterdam 1994).
• 9. -- c4 10. b4 Qc7 11. Be2 Be7 12. 0-0 0-0 13. Qb1 b5 14. Nc5 a5 15. a3 Nxc5 16. bxc5 Rb8 17. Ng5 g6 18. Qe1 f6 19. exf6 Bxf6 20. Nf3 b4 21. Ne5 =/+ (Oll-Vaganian, Soviet Ch, Odessa 1989).
• If 7. -- cxd4 8. Nxd4 then:
• 8. -- Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. Bb5 Nxd4 12. Bxd4 Bb4 13. 0-0 a6 14. Rb3 Qa5 15. Rfb1 Be7 16. Bxd7+ Bxd7 17. Rxb7 Rc8 18. Qe3 Rc4 19. Kh1 Bd8 20. Qd3 Bc8 21. Rb8 0-0 22. Ne4 Qa4 23. Nc3 Qc6 24. R8b2 draw agreed (Kruppa-Ragulj, Op Trmt, Oberwart 1995
• 8. -- Bc5 9. Qd2 0-0 10. 0-0-0 a6 11. h4 Nxd4 12. Bxd4 b5 13. Kb1 Bb7 14. h5 b4 15. Ne2 a5 16. Bxc5 Nxc5 17. Nd4 Ne4 18. Qe3 Qb6 19. Bd3 = (de Firmian-Short, Interz., Manila 1990).

8. Qd2 b5 9. a3

• If 9. dxc5 Bxc5 10. Bxc5 Nxc5 11. Qf2 Qb6 12. Bd3 then:
• 12. -- Rb8 13. 0-0 Na4 14. Nxa4 bxa4
• 15. Qxb6 15. -- Rxb6 16. b3 Ke7 17. Kf2 Bd7 18. Ke3 = (Mokry-Schmidt, Ol, Moscow 1994).
• 15. b3 Ke7 16. Rab1 Qxf2+ 17. Kxf2 a3 18. c3 a5 19. Rfc1 +/- (Speelman-Crouch, IT, Dublin 1993).
• 12. -- b4 13. Ne2 a5 14. 0-0 Ba6 15. Kh1 Ne7 16. Rad1 Na4 17. Qxb6 Nxb6 18. Ned4 Na4 19. Rb1 0-0 20. Kg1 Rfc8 = (Nunn-Glek, 1993).

9. -- Bb7 10. dxc5

• If 10. Bd3 then:
• 10. -- Qb6 11. Qf2 c4 12. Be2 b4 13. axb4 Nxb4 then:
• 14. Rc1?!
• 14. -- h5?! 15. Ng5 g6
• 16. g4?! hxg4 17. Bxg4 Nc6 =/+ 18. 0-0 Ne7 19. h4 Nf5 20. h5 Be7 21. Ne2? f6
• 22. hxg6 seeing that he had lost a piece, White resigns (Amirnov-Filippov, Eur Club Cup, Rethymnon (Greece) 2003).
• 22. Bxf5 exf5 23. Nf3 Rxh5 -+
• 16. 0-0! Rc8 17. Bf3 Bg7 18. Na4 Qb5 19. Ra1 +/=
• 14. -- Na2 15. Nxa2 Qxb2 =/+
• 14. Bd1 Be7 15. 0-0 0-0 16. Na4 Qc6 =
• 10. -- cxd4 11. Nxd4 Nxd4 12. Bxd4 Bc5 13. Ne2 Bxd4 14. Nxd4 Nc5 15. 0-0-0 0-0 16. Qe3 Qc7 = (Vasiukov-Dukhoian, EU Cup, Moscow 1990).

10. -- Bxc5

• If 10. -- Nxc5 11. Qf2 Ne4 12. Nxe4 dxe4 13. Nd2 Ne7 14. c4 bxc4 15. Nxc4 Nd5 16. Bc5 Rc8 17. Bxf8 Kxf8 then:
• 18. Be2 e3 19. Nxe3 Nxe3 20. Qxe3 Bxg2 21. Rg1 Bd5 = (Carlsen-Bareev, FIDE World Cup, Khanty Mansyisk 2005).
• 18. Rd1 Qc7 19. Be2 e3 20. Nxe3 Nxe3 21. Qxe3 Bxg2 22. Rg1 Bb7 +/=

11. Bxc5 Nxc5 12. Bd3 b4!?

• If 12. -- Qb6 13. Qf2 then:
• 13. -- Rc8 14. 0-0 Nd7 15. Ne2 Qxf2+ 16. Rxf2
• 16. -- h6?! 17. Ned4 Nxd4 18. Nxd4 +/= (Marra-Cubas, Op Trmt, Sao Paulo 2005).
• 16. -- Nc5 17. Rd1 f6 18. Ned4 Nxd4 19. Nxd4 0-0 =/+
• 13. -- Nxd3+ 14. cxd3 Qxf2+ 15. Kxf2 Rc8 =
• If 12. -- Qc7 13. Qf213. -- Qb6 14. 0-0
• 14. -- Nd7 15. Ne2 Qxf2+ 16. Kxf2
• 16. -- g6?! 17. Ned4 Nxd4 18. Nxd4 +/= (Marra-Vailon, Brazilian Ch, Florianopolis 2003).
• 16. -- Nc5 17. b4 Nxd3+ 18. cxd3 Kd7 19. Rfc1 a5 =
• 14. -- d4 15. b4 Nxd3 16. cxd3 0-0 =
• 13. -- Nxd3+ 14. cxd3 b4 15. Ne2 0-0 16. 0-0 Rac8 =

13. Ne2 Qb6 14. Qe3 d4!?

• If 14. -- 0-0 15. Bxh7+ Kxh7 16. Ng5+ Kg8 17. Qh3 then:
• 17. -- Rfe8 18. Qh7+ Kf8 19. Qh8+ Ke7 20. Qxg7 Nd8 21. Nh7 Ne4 22. Nf6 Nxf6 23. Qxf6+ Kd7 -/+
• 17. -- Rfb8 18. Qh7+ Kf8 19. Qh8+ Ke7 20. Qxg7 Nd8 21. Qf6+ Ke8 22. Qh8+ Kd7 23. Qh3 Qa5 -/+

15. Nfxd4 Nxd4 16. Qxd4 bxa3 17. Rxa3 Rd8 18. Qe3

• If 18. Qc3?! 0-0 19. Rg1 Rd7 20. b4 Nxd3+ 21. cxd3 Rc8 then:
• 22. Qb2 a5 23. Rxa5 Rxd3 -/+
• 22. Qd2? Rdc7 23. Kd1 Qf2 24. Ra1 Rc2 25. Qxc2 Rxc2 26. Kxc2 Qxe2+ -+

Black: Alexander Morozevich
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White: Peter Svidler
Position after 18. Qd4e3

18. -- Qxb2!!

• If 18. -- Qb4+ 19. Kf2 Nxd3+ then:
• 20. cxd3 20. -- Qxb2 21. Raa1 Qb3 22. Rhb1 Qd5 23. Qf3 =
• If 20. Rxd3 Rxd3 21. Qxd3 then:
• 21. -- Qxb2 22. Qd6 Bxg2 23. Rd1 +-
• 21. -- Qb6+ 22. Qd4 Qc6 23. Rg1 +/=

19. Qxc5?

• 19. 0-0 Nxd3 20. Rxd3 Rxd3 21. Qxd3 0-0 =

19. -- Qb1+ 20. Kd2 Qxh1 21. Nc3 Qxh2 22. Ra4 Qxg2+ 23. Kc1

• If 23. Ne2 h5 then:
• 24. Rb4 Rh6 25. Rb6 g6 26. Qc7 Bf3 -+
• 24. Ra1 Bf3 25. Qe3 h4 26. Rg1 Qxe2+ 27. Qxe2 Bxe2 28. Kxe2 h3 -+

23. -- Rc8 24. Qb4 Qg1+ 25. Nd1

• If 25. Kb2 Qc5 then:
• 26. Qxb7 Qxc3+ 27. Ka2 Rc7 28. Qg2 0-0 -+
• 26. Qb3 0-0 27. Rb4 Bf3 28. Bxa6 Ra8 29. Bd3 Bc6 -+

25. -- Bf3 26. Rxa6 Qc5 27. Qa4+ Kf8 28. Ra5 Qg1 27. 0-1

• If 28. -- Qg1 then:
• 29. Qa3+ Kg8 30. Bxh7+ Rxh7 31. Qxf3 Rh1
• 32. Ra6 32. -- Qf1 33. Qxf1 Rxf1 -+
• 32. Ra3 Qc5 33. Ra2 Qc4 34. Qxh1 Qxa2 -+
• 29. c4 Rd8 30. Bc2 Kg8 31. f5 Qe1 32. Kb2 Rb8+ -+
• Svidler resigns.

[Jack Rabbit]

5. Carlsen - Ivanchuk, Amber Blindfold, Round 1, Monaco

Vassily Ivanchuk
Photo: Chess Theory

Loek van Wely vs. Vassily Ivanchuk
Melody Amber Blindfold, Round 1
Monaco, March 2007

Anglo-Indian Game: Nimzo-English Opening

1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. Qc2 0-0 5. a3 Bxc3 6. Qxc3 b6 7. e3 Bb7 8. Be2 d6

• This is a fairly recent opening and there is not yet a lot of theory attached to it.
• 8. -- c5 9. b4 d6 10. Bb2 Nbd7 11. 0-0 Qe7 12. d4 Rfc8 13. dxc5 dxc5 14. Rfd1 Ne8 15. b5 f6 16. a4 a5 17. bxa6 Rxa6 18. a5 Rca8 is level (Kramnik-Karpov, Eurotel Trophy, Prague 2002).

9. 0-0 a5!?

• Black breaks new ground early.
• 9. -- Nbd7 10. b4 c5 11. Bb2 Qe7 12. d4 Rfc8 13. Rfd1 a5 14. Qb3 Ra7 15. Nd2 Rca8 16. f3 axb4 17. axb4 is equal (Grischuk-Leko, Corus A, Wijk aan Zee 2005).

10. b3!?

• White choses to fortify his c-pawn, but a good way to answer a premature demonstration on a wing is to counter in the center.
• White stands better after 10. d4 d5 11. Nd2 dxc4 12. Bxc4 Qd7 13. f3 b5 14. Ba2.

10. -- Nbd7 11. Bb2 Qe7 12. d4 Ne4 13. Qc2

• The position is unclear. White has more space with a fortified pawn duo at c4 and d4, but the center is unresolved and Black has strong centralized Knight.
• 13. Qd3 f5 14. Nd2 Nxd2 15. Qxd2 Qg5 16. f3 is unclear.

13. -- f5 14. Ne1?!

• White redeploys his Knight. It had little future at f3, but it was a defensive asset at this post.
• Better is 14. Rad1 e5 15. Nd2 exd4 16. exd4 Rae8 17. Rde1 Qg5 18. Nf3 Qh6 with equality.

14. -- Qg5 15. Qc1 Rf6!?

• Black makes a risky move clearly aiming for a kingside attack.
• 15. -- Rae8 16. Qc2 e5 17. Nf3 Qg6 18. d5 Ndf6 is unclear and not very promising; White's Bishope pair counts for little with the center locked.

16. f3 Qh5 17. g4?

• White allows Black to open the kingside with devastated effect.
• Correct is 17. Bd1 Rh6 18. fxe4 Qxh2+ 19. Kf2 Bxe4 20. Nf3 when:
• 20. -- Qh5 21. Qd2 Nf6 22. Ke1 gives White more space on the queenside.
• After 20. -- Bxf3!? 21. Bxf3 Qh4+ 22. Ke2 White can successfully challange Black's command of the h-file.

Black: Vassily Ivanchuk
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White: Loek van Wely
Position after 17. g2g4

17. -- fxg4!!

• This begins a series of four consecutive hard hitting moves that crush White's position. First, Black opens the f-file at the cost of a Knight.

18. fxe4 Rh6!

• Now Black takes full command of the h-file.

19. Rf2 Bxe4!

• Black now has command of the open long diagonal, cutting off the King's escape via g2.

20. Qd2

• 20. Qd1 loses to 20. Rf8 21. Nd3 Rxf2 22. Nxf2 Qxh2+ 23. Kf1 Qg2+ 24. Ke1 Rh2.

20. -- Qh4!!

• Black seals the real deal.
• 20. Qg5 21. Rf2 Rxh2 22. Kxh2 Qh6+ 23. Kg1 Qh1+ 24. Kf2 Qh4+ 25. Kg1 Qh1+ 26. Kf2 Qh4+ 27. Kg1 only draws.
• Compare the following diagram with the previous one.

Black: Vassily Ivanchuk
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White: Loek van Wely
Position after 20. -- Qh5h4

21. Bd3

• After 21. Nf3 Qxf2+ 22. Kxf2 gxf3 23. h4 fxe2 24. Kxe2 Rxh4 Black has a Rook, a minor piece and two pawns for the Queen and all the piece hactivity his his.

21. -- g3 22. Rg2 gxh2+ 23. Kh1

• After 23. Rxh2 Qg3+ 24. Rg2 Bxg2 25. Qxg2 Qxe3+ 26. Qf2 Rh1+ White must either forfeit his Queen or submit to mate on the next move.
• After 23. Kf1 h1Q+ 24. Rg1 Rf8+ 25. Ke2 Qh5+ 26. Nf3 Q5xf3+ 27. Ke1 Qxg1+ Black delivers mate on the next move.

23. -- Rf8 24. Nc2 Rhf6 25. d5

• If 25. Qe2 Bxg2+ 26. Qxg2 Rf2 then:
• White would resign before the end of 27. Qe4 Rf1+ 28. Rxf1 Rxf1+ 29. Bxf1 Qxe4+.
• After 27. Ne1 Rxg2 White loses his Queen.

25. -- e5 26. Qe1

• 26. Qe2 Bxg2+ 27. Qxg2 Rf2 28. Qe4 Rf1+ 29. Rxf1 Rxf1+ 30. Bxf1 Qxe4+ is basically the same as the main line in the last note.

26. -- Bxg2+ 27. Kxg2 h1Q+ 28. 0-1

• After 28. Qxh1 Black mates in two.
• Mh. van Wely resigns.
• Ivanchuk's attack is as pleasing as any by the great combinative masters of bygone eras.

[Jack Rabbit]

6. Paridar - Ari, Asian Cities, Round 6, Tehran

Shadi Paridar
Photo: ChessBase.com

To view this game with a PGN viewer and WinZip or other decompression software:

• Please click here
• Go to the bottom of the page and click on All available games in zipped PGN
• Decompress the file and open it on your PGN viewer.
• Select game 206.

Shadi Paridar (Banvan-Tehran) vs. Ahmed Ari (Sulimania)
Asian Cities Team Tournament, Round 6/Board 2
Tehran, March 2007

Closed Sicilian Game: Saragossa Opening (Alapin Variation)

1. e4 c5 2. c3 d5

• This is a logical response, since after 3. exd5 Qxd5 White cannot play 4. Nc3.

3. exd5 Qxd5 4. d4 Nc6

• If 4. -- Nf6 5. Nf3 e6 6. Bd3 Be7 7. 0-0 then:
• 7. -- 0-0 8. Qe2 Nc6 9. Rd1 cxd4 10. cxd4 Nb4 11. Nc3 Qd8 12. Bc4 b6 13. Ne5 Bb7 14. Bf4 Nbd5 15. Bg3 Rc8 16. Rac1 Nxc3 17. Rxc3 Nd5 Black makes use of White's isolated pawn as a superb post for his Knignt (Donner-Kuijpers, Dutch Ch, Zierikzee 1967).
• 7. -- Nc6 8. Be3 cxd4 9. cxd4 0-0 10. Nc3 Qd8 11. a3 b6 12. Qe2 Bb7 13. Rad1 Rc8 14. Rfe1 Rc7 15. Bb1 Rd7 with equality (Benjamin-Doettling, US Open, Framingham, Massachusetts 2001). Black should be able to use White's isolated pawn as a shelter for his pieces.

5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qd7

• If 8. -- Qa5 then:
• 9. 0-0 9. -- Nf6 10. h3 Bh5 11. a3
• 11. -- Be7 12. Be3 0-0 13. b4 Qd8 14. Qb3 Qd6 15. Rad1 Rfd8 16. Rd2 Rac8 has Black better focused on squares around the enemy King.(Darga-Sherwin World Ch U20, Copenhagen 1953).
• 11. -- Bd6 12. Qb3 Bxf3 13. Bxf3 Nxd4 14. Qd1 Nxf3+ 15. Qxf3 Rb8 16. Rd1 Be5 17. Bf4 Bxf4 18. Qxf4 0-0 yields an extra pawn to Black (Maggiolo-Zhu Chen, FIDE Ch Women, Moscow 2001).
• 9. h3 Bh5 10. d5 exd5 11. Nd4 Bxe2 12. Qxe2+ Be7 13. Nxc6 bxc6 14. 0-0 Rd8 15. Bd2 d4 16. Ne4 Qe5 17. Rfe1 Kf8 gives White fewer pawn weaknesses (Vajda-Zhu Chen, Ol, Bled 2002).

9. 0-0 Rd8!?

• Black introduces a novelty. He seeks to put pressure on the isolated pawn.
• 9. -- Nf6 10. Be3 Be7 11. h3 Bh5 12. Ne5 Nxe5 13. dxe5 Bxe2 14. Qxe2 Nd5 15. Qg4 Nxc3 16. bxc3 g6 17. Bh6 gives White the edge with more activity.(I. Naiditsch-Rose, German TCh WU20, Neumuenster 2000).

10. Be3

• White protects the weak pawn, as she should.
• White is better after 10. Bb5 Qc7 11. Be3 Nf6 12. h3 Bh5 13. Rc1 Be7 when he can take advantage of Black's lagging development by 14. g4! Bg6 15. Ne5!.

10. -- Nf6?

• This natural-looking developing move is a fatal error. The move allows White to get a strong centralized Knight at e5.
• Correct is 10. -- Bxf3! 11. Bxf3 Nf6 12. Rc1 Be7 13. Re1 0-0 14. Qe2 Rfe8 with equality.

Black: Ahmed Ari
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White: Shadi Paridar
Position after 10. -- Ng8f6

11. Ne5!

• White immediately takes advantage of Black's inaccurate play and establishes her Knight firmly on e5 with a gain in time.
• 11. Qa4 Bd6 12. d5 exd5 13. Rad1 Be6 14. Rfe1 0-0 15. Nd4 Ra8 yields an extra pawn to Black.

11. -- Bxe2

• Black counters the attack on his Queen with one on White's Queen.
• If 11. -- Nxe5 12. dxe5 Qc6 13. Bb5 Bxd1 14. Bxc6+ bxc6 15. Rfxd1 then:
• 15. -- Nd7 16. Bxa7 Nxe5 17. Rxd8+ Kxd8 18. Rd1+ Kc7 gives White active pieces while Black's are hardly developed.
• 15. -- Ng4 16. Rxd8+ Kxd8 17. Rd1+ Ke8 18. Bxa7 Nxe5 19. Bd4 has White theatening Black's only developed piece.

12. Qxe2

This is the easiest way for White to maintain her advantage.
• If 12. Nxd7? is unsound: 12. -- Bxd1 13. Nxf6+ gxf6 14. Rfxd1 Ne7 15. d5 then:
• 15. -- a6 16. Bb6 Rd7 17. dxe6 fxe6 18. Ne4 Rxd1+ 19. Rxd1 Nd5 is level.
• Black completely equalizes after 15. -- Nxd5 16. Bxa7 Nxc3 17. bxc3 Rg8 18. Rxd8+ Kxd8 19. Rd1+ Kc7.

12. -- Nxe5

• If 12. -- Qd6 13. Nb5 then:
• 13. -- Qb8 14. Bf4 Nd5 15. Bg3 Qa8 16. Rae1 Nxe5 17. Qxe5 give White complete command of the center.
• After 13. -- Qb4? 14. Rfc1 Rc8 15. Nxc6 Rxc6 16. Nxa7 White uses the c-file to raid Black's camp.

13. dxe5 Nd5 14. Nxd5 Qxd5

• Black plays another inaccuracy, but the game is lost and so it make little difference.
• Black would have lasted longer after 14. -- exd5 15. Bxa7 Ra8 16. Qe3 Be7 17. Bc5 0-0 18. Bxe7 Qxe7 19. Rfd1 although this gives White an extra pawn and a fierce initiative.

Black: Ahmed Ari
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White: Shadi Paridar
Position after 14. -- Qd7xd5

15. Rfd1!

• Black allows White to gain time by attacking the Queen, so she does.

15. -- Qa5

• After 15. -- Qc6 16. Rxd8+ Kxd8 17. Rc1 Qa4 18. Qf3 Be7 19. Bxa7 Qd7 20. Rd1 White wins the Queen.

16. Rxd8+ Kxd8

• If 16. -- Qxd8 then:
• 17. Qb5+ Qd7 18. Qxd7+ Kxd7 19. Rd1+ Kc8 20. Bxa7 b5 21. Bb6 Be7 22. f4 White has an extra pawn, more space on the King's wing and active pieces.
• 17. Rd1 Qc7 18. Qb5+ Qc6 19. Qxc6+ bxc6 20. Bxa7 Be7 21. Be3 0-0 22. Rd7 gives White an extra pawn and greater piece activity.

17. Qc2 Qxe5 18. Rd1+ Ke7

• If 18. -- Bd6 19. g3 Ke7 20. Rxd6 then:
• After 20. -- Qf5 21. Qc7+ Kf6 22. Qxb7 White has an extra piece.
• After 20. -- Kxd6 21. Bf4 White wins the Queen.

19. Bc5+ Ke8 20. Qa4+ 1-0

• White mates on the next move.
• Ahmed resigns.