Puzzle of the Day

Friday, March 21, 2008

chess opening - king's indian defense 7... Nbd7 and 7...Na6

This is the continuation of the King's Indian Defense. Previously, I've discussed the Main Line 7...Nc6. This time, I'm covering 7...Nbd7 and 7...Na6. Check the video below!
The line begins with:
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O


7...Nbd7Old Main Line: The Knight aims to settle on c5.

8.Re1 c6
[8...Re8 9.Bf1 c6 10.d5 c5 (10...Nc5? 11.b4!) 11.a3 Nh5 12.b4 b6 13.Rb1]
9.Bf1 a5
[9...exd4 10.Nxd4 Re8 11.Rb1 a5 12.f3 Nc5 13.Be3 Nfd7 14.Qd2 Ne5 15.Rbd1 a4 16.Nc2 Qb6 17.Qc1 Bf8 18.Nd4 Qb4 19.Ndb5 Be6 20.Nd5 cxd5 21.Bd2 Qxb5 22.cxb5]
10.Rb1 Re8 11.d5 Nc5 12.b3 Bd7 13.Nd2 Bh6 14.a3 cxd5 15.cxd5 Rf8 16.Nc4 Bxc1 17.Qxc1 Ne8 18.Qe3 Rc8 19.b4 axb4 20.axb4 Na6 *


Sample games played using the King's Indian Defense with ... Nbd7

[Event "URS-World"]
[Site "London"]
[Date "1984.??.??"]
[Round "3.7"]
[White "Tal, Mihail"]
[Black "Nunn, John DM"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2620"]
[BlackElo "2600"]
[PlyCount "89"]
[EventDate "1984.06.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "ENG"]
[Source "ChessBase"]

1. Nf3 g6 2. d4 d6 3. c4 Bg7 4. Nc3 Nf6 5. e4 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3
c6 9. d5 c5 10. Ne1 Ne8 11. Nd3 f5 12. f4 g5 13. fxe5 Nxe5 14. Nxe5 Bxe5 15. exf5 Bxf5 16. g4 Bg6 17. Rxf8+ Kxf8 18. Qd2 h6 19. h4 gxh4 20. Bxh6+ Kg8 21. Rf1 Ng7 22. Bg5 Bd4+ 23. Kh1 Qd7 24. Bf6 Re8 25. Bxd4 cxd4 26. Qxd4 Nh5 27. Kh2 Ng3 28. Rf2 Re5 29. Bf3 Qe7 30. Bg2 h3 31. Kxg3 hxg2 32. Kxg2 Be4+ 33. Kg1 Bg6 34. Qf4 Re1+ 35. Rf1 Re3 36. Rf3 Re1+ 37. Rf1 Re3 38. Rf3 Re1+ 39. Kg2 Bc2 40. Rf1 Be4+ 41. Kg3 Bd3 42. Rf3 Bxc4 43. Qxc4 Rg1+ 44. Kh2 Rc1 45. Qe2 1-0


[Event "URS-World"]
[Site "London"]
[Date "1984.??.??"]
[Round "1.7"]
[White "Tal, Mihail"]
[Black "Nunn, John DM"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2620"]
[BlackElo "2600"]
[PlyCount "57"]
[EventDate "1984.06.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "ENG"]
[Source "ChessBase"]

1. Nf3 g6 2. d4 d6 3. c4 Bg7 4. Nc3 Nf6 5. e4 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3 c6 9. d5 c5 10. Ne1 Ne8 11. Qd2 f5 12. exf5 gxf5 13. f4 Nef6 14. fxe5 Nxe5 15. Nf3 Neg4 16. Bg5 h6 17. Bh4 Qe8 18. Bxf6 Rxf6 19. Bd3 Ne3 20. Rae1 f4 21. Nd1 Bg4 22. Nxe3 fxe3 23. Rxe3 Qh5 24. Be4 Raf8 25. Qd3 Bxf3 26. Bxf3 Qg5 27. Kh1 Rf4 28. b3 Rh4 29. Re4 1/2-1/2

[Event "Johannesburg"]
[Site "Johannesburg"]
[Date "1981.??.??"]
[Round "1"]
[White "Kortschnoj, Viktor"]
[Black "Nunn, John DM"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2695"]
[BlackElo "2580"]
[PlyCount "66"]
[EventDate "1981.08.??"]
[EventType "tourn"]
[EventRounds "4"]
[EventCountry "RSA"]
[EventCategory "16"]
[Source "ChessBase"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Be2 O-O 6. Nf3 Nbd7 7. O-O e5 8. Qc2 a5 9. Rd1 exd4 10. Nxd4 Nc5 11. Ndb5 Re8 12. Bg5 Bd7 13. f3 Ne6 14. Be3 Nh5 15. Bf1 f5 16. exf5 gxf5 17. Bf2 Rf8 18. g3 Nf6 19. Qxf5 Ng4 20. Qxg4 Ng5 21. Qh5 Be8 22. Qxg5 Qxg5 23. Nxc7 Rxf3 24. Nxa8 Rxf2 25. Kxf2 Qc5+ 26. Kg2 Bxc3 27. Nc7 Bg6 28. Nd5 Be4+ 29. Kh3 Bxb2 30. Rab1 Qf2 31. Rxb2 Qxb2 32. Nf4 Bf5+ 33. g4 Qf2 0-1



7...Na6

[7...c6 8.Re1 exd4 9.Nxd4]
8.Be3
[8.dxe5 dxe5 9.Qxd8 Rxd8;
8.d5 Nc5 9.Qc2 a5;
8.Bg5 h6 9.Bh4 Qe8 10.Bxf6 Bxf6 11.c5!]
8...Ng4 9.Bg5 Qe8! *


Sample games played using the King's Indian Defense with ... Na6

[Event "Novgorod"]
[Site "Novgorod"]
[Date "1997.06.11"]
[Round "1"]
[White "Kramnik, Vladimir"]
[Black "Topalov, Veselin"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2740"]
[BlackElo "2725"]
[PlyCount "81"]
[EventDate "1997.06.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "RUS"]
[EventCategory "19"]
[Source "ChessBase"]
[SourceDate "1997.10.13"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Na6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Kh8 11. h3 Nh6 12. dxe5 dxe5 13. Qxd8 Rxd8 14. Be3 Be6 15. a3 Nf7 16. b4 c6 17. Rfd1 Rxd1+ 18. Rxd1 Nc7 19. Nd2 Bf8 20. Rb1 b6 21. c5 b5 22. a4 bxa4 23. Nxa4 f5 24. exf5 gxf5 25. Nc4 Nd5 26. Bd2 e4 27. Na5 Rc8 28. Ba6 Rc7 29. Nc3 Nxc3 30. Bxc3+ Bg7 31. Bd2 Ba2 32. Rc1 Be5 33. Nc4 Bxc4 34. Bxc4 Kg7 35. b5 cxb5 36. Bxb5 Bd4 37. c6 Kf6 38. Rd1 Be5 39. Ba5 Re7 40. Bc4 f4 41. Rd7 1-0

[Event "Linares 22nd"]
[Site "Linares"]
[Date "2005.02.27"]
[Round "5"]
[White "Kasimdzhanov, Rustam"]
[Black "Topalov, Veselin"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2678"]
[BlackElo "2757"]
[PlyCount "80"]
[EventDate "2005.02.23"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "ESP"]
[EventCategory "20"]
[Source "ChessBase"]
[SourceDate "2005.06.06"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Na6 8. Re1 Qe8 9. Bf1 Bg4 10. d5 Nb4 11. Be2 a5 12. Rb1 Na6 13. Bg5 Bd7 14. Nd2 Kh8 15. Bxf6 Bxf6 16. Bg4 Bg5 17. Bxd7 Qxd7 18. Nf3 Bh6 19. a3 Nc5 20. b4 axb4 21. axb4 Na4 22. Qd3 Nxc3 23. Qxc3 f5 24. c5 Qb5 25. h4 fxe4 26. Rxe4 Ra2 27. Rbe1 Qa4 28. cxd6 cxd6 29. Qc7 Qc2 30. Qb6 Bg7 31. Qe3 b5 32. Rc1 Qb2 33. Rf1 Ra1 34. Rxa1 Qxa1+ 35. Kh2 Qb1 36. Qe2 h6 37. Rg4 h5 38. Re4 Bh6 39. Ng5 Bxg5 40. hxg5 Rxf2 1/2-1/2

[Event "Kloosters"]
[Site "Ter Apel"]
[Date "1997.03.17"]
[Round "1"]
[White "Van Wely, Loek"]
[Black "Shirov, Alexei"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2645"]
[BlackElo "2690"]
[PlyCount "84"]
[EventDate "1997.03.17"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "NED"]
[EventCategory "16"]
[Source "ChessBase"]
[SourceDate "2004.01.01"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 O-O 6. Be2 e5 7. O-O Na6 8. Be3 Ng4 9. Bg5 Qe8 10. dxe5 dxe5 11. h3 h6 12. Bd2 Nf6 13. Be3 Qe7 14. a3 Nh5 15. Qc2 c6 16. Rfe1 Nc5 17. Rad1 Ne6 18. g3 Bd7 19. c5 Rad8 20. b4 Bc8 21. Bf1 Rxd1 22. Rxd1 Rd8 23. Nb1 Nd4 24. Bxd4 exd4 25. Nbd2 d3 26. Bxd3 Bxh3 27. e5 Qd7 28. Ne4 Nf4 29. Nd6 Bg2 30. Be4 Qg4 31. Rd4 Bxf3 32. Bxf3 Nh3+ 33. Kg2 Qxd4 34. Kxh3 Bxe5 35. Nc4 Bc7 36. Kg2 Qd3 37. Qc1 h5 38. Ne3 Be5 39. Nc4 Qc3 40. Qxc3 Bxc3 41. Nd6 Rd7 42. b5 Kf8 0-1



1 comment:

Chess GM said...

Eric, Thanks for taking the time to post all these very interesting chess compositions and lessons. It is all very instructive.

I play the CK but after reading and watching your video on the King's Indian, it has given the confidence to try to use this in response to d4. Thanks..