On Johnson's 2... e6:The main line is 2... d5, with 15,936 games in the chessgames.com db. Johnson's move is very rare, with only 13 games.I am confused with this strategy; you play the Caro Kann whose goal is to develop the Q bishop, but you block its path with e6.CG's Opening Explorer classifies the c6-e6 moves under the French Defence and has been played recently by Kamber Sela in the European Cup 2009.
However, after 3.c4 d5 4.exd5 cxd5, the opening took on the form of the Caro Kann Panov-Botvinnik Attack. This line was often played by Nimzovich, but was popularized by World Champion Botvinnik.
[Event "Bled,"][Date "1931.??.??"][White "Aron Nimzowitsch"][Black "Alexander Alekhine"][ECO "B14"]1. e4 { Notes by Raymond Keene. } c6 2. d4 d5 3. exd5 cxd5 4. c4 {Later in life Nimzowitsch took to playing what we now call the Panov-Botvinnik Attack: 3 exd5 cxd5 4 c4. Botvinnik is another player whose openings are influenced by Nimzowitsch, who played this line before anyone had heard of Panov or Botvinnik! } 4...Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Bb5 Qa5 9. Qb3 {!} Bxf3 10. gxf3 Nxc3 11. Bxc6+ {? It was Alekhine, against Winter at London 1932, who improved on this with 11 bxc3 e6 12 d5! } 11...bxc6 12. Qb7 {?} Nd5+ 13. Bd2 Qb6 {!} 14. Qxa8+ Kd7 15. O-O {If 15 a4 Nc7 16 a5 Qxb2 17 Qxa7 Qxa1+ } 15...Nc7 16. Ba5 Nxa8 17. Bxb6 Nxb6 18. Rfc1e6 19. Rc2 Be7 20. Rac1 Bg5 21. Rd1 Rb8 22. Rc5 Nd5 23. Ra5Rb7 24. Rd3 Bd8 25. Rb3 Rxb3 26. Rxa7+ Nc7 27. axb3 Bf6 28. Rb7 {If 28 Ra4 Nb5! } 28...Bxd4 29. Rb8 Bxb2 30. h3 f5 31. Kf1 Nd5 32. Kg2 Be5 33. Ra8 Nf4+ 34. Kh2 Nd3+ 35. Kg1 Ne1 36. Ra7+ Bc7 0-1
Up to Johnson's 6... Be7 is not just a GM move but a move by a World Champion Karpov.
[Event "Ch World FIDE (final)"][Site "Lausanne (Switzerland)"][Date "1998.01.05"][Round "4"][White "Viswanathan Anand"][Black "Anatoli Karpov"][ECO "B14"]1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Be7 7.cxd5Nxd5 8.Bd3 Nc6 9.O-O O-O 10.Re1 Bf6 11.Be4 Nce7 12.h4 Nf5 13.Qd3 Nxc3 14.bxc3 h6 15.h5 Nd6 16.Ne5 Nxe4 17.Qxe4 Bxe5 18.dxe5 f5 19.Qe2 Bd7 20.Rd1 Bb5 21.Qf3 Qe8 22.Bf4 Rc8 23.Rd4 Rc4 24.Rad1 Qf7 25.Rxc4 Bxc4 26.a3 Rc8 27.Rd4 Kh7 28.Bd2 Bd5 29.Qh3 b5 30.a4 bxa4 31.Rxa4 Rc4 32.Rxc4 Bxc4 33.Qh4 Bb5 34.c4 Be8 35.c5 Qd7 36.Bc3 Qd3 37.Qd4 Qxd4 38.Bxd4 a5 39.c6 Bxc6 40.f3 f4 41.Bb2 Be8 42.Bc1 a4 43.Bxf4 a3 44.Be3 Bxh5 45.Kf2 Be8 46.Bd4 Bc6 47.Bc3 a2 48.g3 h5 49.g4 h4 0-1
FM Leo's 7.c5 is seldom played, with only 77 games in cg. The main line is 7.cxd5 as played by Karpov.
Johnson's reply to the seldom played 7.c5 of O-O has been played by Tartakower, Petrosian, Benko, Adams, Bareev, and Karpov.
[Event "Karlovy Vary"][Date "1948.??.??"][White "Lodewijk Prins"][Black "Savielly Tartakower"][ECO "B14"]1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Be7 7.c5 O-O 8.Bd3 b6 9.cxb6 Qxb6 10.O-O Ba6 11.Re1 Bxd3 12.Qxd3 Qa6 13.Qc2 Nc6 14.Bg5 h6 15.Bxf6 Bxf6 16.Rad1 Rfc8 17.h4 Qb6 18.Qd2 Rab8 19.Re2 Qd8 20.g3 Rb4 21.Qe3 Qb6 22.Red2 Rxb2 23.g4 Rxd2 24.Rxd2 Na5 25.Rd3 Nc4 26.Qf4 Qc7 27.Qc1 Be7 28.Ne2 Ne5 29.Rc3 Nxf3+ 30.Kf1 Qh2 31.Rxc8+ Kh7 32.Ng3 Qh3+ 33.Ke2 Qxg4 34.Qb1+ f5 35.h5 Nxd4+ 36.Kf1 Bd6 37.Qd3 Bxg3 38.fxg3 Nf3 39.Kf2 Ng5 40.Ra8 Qxh5 41.Rxa7 Qh2+ 42.Kf1 Qh1+ 0-1
[Event "Oakham"][Date "1990.??.??"][White "Pavel Blatny"][Black "Michael Adams"][ECO "B14"]1.e4 d5 2.exd5 Nf6 3.c4 c6 4.d4 cxd5 5.Nc3 e6 6.c5 Be7 7.Nf3 O-O 8.Bd3 b6 9.b4 a5 10.Na4 Nfd7 11.h4 h6 12.Rh3 Bf6 13.Rg3 e514.Bxh6 e4 15.Ng5 exd3 16.Qxd3 Re8+ 17.Kd2 Nf8 18.Nxb6 axb4 19.Nxf7 Kxf7 20.Qf3 g6 21.Nxa8 Nc6 22.Be3 Bf5 23.h5 Be4 24.Qf4 Qxa8 25.Rh3 g5 26.Qc7+ Re7 27.Qd6 Rd7 28.Qh2 Qa3 29.Rd1 Qb2+ 30.Ke1 Nxd4 31.Bxd4 Bxd4 32.Rb3 0-1
[Event "Sparkassen Gp 2"][Site "Dortmund GER"][Date "2002.07.06"][White "Alexander Morozevich"][Black "Evgeny Bareev"][ECO "B14"][WhiteElo "2716"][BlackElo "2726"]1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. c5 Be7 7. Nf3 O-O 8. b4 b6 9. Rb1 bxc5 10. bxc5 Ne4 11. Nxe4 dxe4 12. Ne5 Qc7 13. Bf4 Rd8 14. Qa4 g5 15. Bd2 Bd7 16. Bb5 Bxb5 17. Qxb5 Rxd4 18. Qe8+ Bf8 19. Bc3 Qxe5 20. O-O Qd5 21. c6 Qd8 22. Qxd8 Rxd8 23. c7 Rc8 24. cxb8=Q Raxb8 25. Rxb8 Rxb8 26. Bd4 a6 27. g3 h6 28. Rc1 Rb4 29. Be3 Bg7 30. h4 Bd4 31. Bxd4 Rxd4 32. hxg5 hxg5 33. Rc5 Rd5 34. Rc4 Re5 35. Kf1 Kg7 36. Ke2 f5 37. a4 Kf6 38. Ke3 Rd5 39. g4 Rd3+ 40. Ke2 Ke5 0-1
[Event "Keres Memorial Rapid"][Site "Tallinn EST"][Date "2006.01.07"][White "Vasily Yemelin"][Black "Anatoli Karpov"][ECO "B14"][WhiteElo "2529"][BlackElo "2672"]1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. c5 Be7 7. Nf3 O-O 8. Qc2 b6 9. b4 a5 10. Na4 axb4 11. Nxb6 Ra7 12. Ne5 Nfd7 13. Nbxd7 Bxd7 14. Bd3 h6 15. Bd2 Bf6 16. f4 Nc6 17. Nxc6 Bxc6 18. Qb2 Qa5 19. Ke2 Qxc5 20. Rac1 Qd6 21. Bxb4 Qxf4 22. Bxf8 Bxd4 23. Qd2 Rxa2 24. Rc2 Qf2+ 25. Kd1 Ra1+ 26. Rc1 Ba4+ 27. Bc2 Rxc1+ 28.Qxc1 Qxg2 29. Re1 Qf3+ 0-1
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11 comments:
On Johnson's 2... e6:
The main line is 2... d5, with 15,936 games in the chessgames.com db. Johnson's move is very rare, with only 13 games.
I am confused with this strategy; you play the Caro Kann whose goal is to develop the Q bishop, but you block its path with e6.
CG's Opening Explorer classifies the c6-e6 moves under the French Defence and has been played recently by Kamber Sela in the European Cup 2009.
However, after 3.c4 d5 4.exd5 cxd5, the opening took on the form of the Caro Kann Panov-Botvinnik Attack. This line was often played by Nimzovich, but was popularized by World Champion Botvinnik.
[Event "Bled,"]
[Date "1931.??.??"]
[White "Aron Nimzowitsch"]
[Black "Alexander Alekhine"]
[ECO "B14"]
1. e4 { Notes by Raymond Keene. } c6 2. d4 d5 3. exd5 cxd5 4. c4 {Later in life Nimzowitsch took to playing what we now call the Panov-Botvinnik Attack: 3 exd5 cxd5 4 c4. Botvinnik is another player whose openings are influenced by Nimzowitsch, who played this line before anyone had heard of Panov or Botvinnik! } 4...Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Bb5 Qa5 9. Qb3 {!} Bxf3 10. gxf3 Nxc3 11. Bxc6+ {? It was Alekhine, against Winter at London 1932, who improved on this with 11 bxc3 e6 12 d5! } 11...bxc6 12. Qb7 {?} Nd5+ 13. Bd2 Qb6 {!} 14. Qxa8+ Kd7 15. O-O {If 15 a4 Nc7 16 a5 Qxb2 17 Qxa7 Qxa1+ } 15...Nc7 16. Ba5 Nxa8 17. Bxb6 Nxb6 18. Rfc1
e6 19. Rc2 Be7 20. Rac1 Bg5 21. Rd1 Rb8 22. Rc5 Nd5 23. Ra5
Rb7 24. Rd3 Bd8 25. Rb3 Rxb3 26. Rxa7+ Nc7 27. axb3 Bf6 28. Rb7 {If 28 Ra4 Nb5! } 28...Bxd4 29. Rb8 Bxb2 30. h3 f5 31. Kf1 Nd5 32. Kg2 Be5 33. Ra8 Nf4+ 34. Kh2 Nd3+ 35. Kg1 Ne1 36. Ra7+ Bc7 0-1
Up to Johnson's 6... Be7 is not just a GM move but a move by a World Champion Karpov.
[Event "Ch World FIDE (final)"]
[Site "Lausanne (Switzerland)"]
[Date "1998.01.05"]
[Round "4"]
[White "Viswanathan Anand"]
[Black "Anatoli Karpov"]
[ECO "B14"]
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Be7 7.cxd5
Nxd5 8.Bd3 Nc6 9.O-O O-O 10.Re1 Bf6 11.Be4 Nce7 12.h4 Nf5 13.Qd3 Nxc3 14.bxc3 h6 15.h5 Nd6 16.Ne5 Nxe4 17.Qxe4 Bxe5 18.dxe5 f5 19.Qe2 Bd7 20.Rd1 Bb5 21.Qf3 Qe8 22.Bf4 Rc8 23.Rd4 Rc4 24.Rad1 Qf7 25.Rxc4 Bxc4 26.a3 Rc8 27.Rd4 Kh7 28.Bd2 Bd5 29.Qh3 b5 30.a4 bxa4 31.Rxa4 Rc4 32.Rxc4 Bxc4 33.Qh4 Bb5 34.c4 Be8 35.c5 Qd7 36.Bc3 Qd3 37.Qd4 Qxd4 38.Bxd4 a5 39.c6 Bxc6 40.f3 f4 41.Bb2 Be8 42.Bc1 a4 43.Bxf4 a3 44.Be3 Bxh5 45.Kf2 Be8 46.Bd4 Bc6 47.Bc3 a2 48.g3 h5 49.g4 h4 0-1
FM Leo's 7.c5 is seldom played, with only 77 games in cg. The main line is 7.cxd5 as played by Karpov.
Johnson's reply to the seldom played 7.c5 of O-O has been played by Tartakower, Petrosian, Benko, Adams, Bareev, and Karpov.
[Event "Karlovy Vary"]
[Date "1948.??.??"]
[White "Lodewijk Prins"]
[Black "Savielly Tartakower"]
[ECO "B14"]
1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6 6.Nf3 Be7 7.c5 O-O 8.Bd3 b6 9.cxb6 Qxb6 10.O-O Ba6 11.Re1 Bxd3 12.Qxd3 Qa6 13.Qc2 Nc6 14.Bg5 h6 15.Bxf6 Bxf6 16.Rad1 Rfc8 17.h4 Qb6 18.Qd2 Rab8 19.Re2 Qd8 20.g3 Rb4 21.Qe3 Qb6 22.Red2 Rxb2 23.g4 Rxd2 24.Rxd2 Na5 25.Rd3 Nc4 26.Qf4 Qc7 27.Qc1 Be7 28.Ne2 Ne5 29.Rc3 Nxf3+ 30.Kf1 Qh2 31.Rxc8+ Kh7 32.Ng3 Qh3+ 33.Ke2 Qxg4 34.Qb1+ f5 35.h5 Nxd4+ 36.Kf1 Bd6 37.Qd3 Bxg3 38.fxg3 Nf3 39.Kf2 Ng5 40.Ra8 Qxh5 41.Rxa7 Qh2+ 42.Kf1 Qh1+ 0-1
[Event "Oakham"]
[Date "1990.??.??"]
[White "Pavel Blatny"]
[Black "Michael Adams"]
[ECO "B14"]
1.e4 d5 2.exd5 Nf6 3.c4 c6 4.d4 cxd5 5.Nc3 e6 6.c5 Be7 7.Nf3 O-O 8.Bd3 b6 9.b4 a5 10.Na4 Nfd7 11.h4 h6 12.Rh3 Bf6 13.Rg3 e5
14.Bxh6 e4 15.Ng5 exd3 16.Qxd3 Re8+ 17.Kd2 Nf8 18.Nxb6 axb4 19.Nxf7 Kxf7 20.Qf3 g6 21.Nxa8 Nc6 22.Be3 Bf5 23.h5 Be4 24.Qf4 Qxa8 25.Rh3 g5 26.Qc7+ Re7 27.Qd6 Rd7 28.Qh2 Qa3 29.Rd1 Qb2+ 30.Ke1 Nxd4 31.Bxd4 Bxd4 32.Rb3 0-1
[Event "Sparkassen Gp 2"]
[Site "Dortmund GER"]
[Date "2002.07.06"]
[White "Alexander Morozevich"]
[Black "Evgeny Bareev"]
[ECO "B14"]
[WhiteElo "2716"]
[BlackElo "2726"]
1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. c5 Be7 7. Nf3 O-O 8. b4 b6 9. Rb1 bxc5 10. bxc5 Ne4 11. Nxe4 dxe4 12. Ne5 Qc7 13. Bf4 Rd8 14. Qa4 g5 15. Bd2 Bd7 16. Bb5 Bxb5 17. Qxb5 Rxd4 18. Qe8+ Bf8 19. Bc3 Qxe5 20. O-O Qd5 21. c6 Qd8 22. Qxd8 Rxd8 23. c7 Rc8 24. cxb8=Q Raxb8 25. Rxb8 Rxb8 26. Bd4 a6 27. g3 h6 28. Rc1 Rb4 29. Be3 Bg7 30. h4 Bd4 31. Bxd4 Rxd4 32. hxg5 hxg5 33. Rc5 Rd5 34. Rc4 Re5 35. Kf1 Kg7 36. Ke2 f5 37. a4 Kf6 38. Ke3 Rd5 39. g4 Rd3+ 40. Ke2 Ke5 0-1
[Event "Keres Memorial Rapid"]
[Site "Tallinn EST"]
[Date "2006.01.07"]
[White "Vasily Yemelin"]
[Black "Anatoli Karpov"]
[ECO "B14"]
[WhiteElo "2529"]
[BlackElo "2672"]
1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. c5 Be7 7. Nf3 O-O 8. Qc2 b6 9. b4 a5 10. Na4 axb4 11. Nxb6 Ra7 12. Ne5 Nfd7 13. Nbxd7 Bxd7 14. Bd3 h6 15. Bd2 Bf6 16. f4 Nc6 17. Nxc6 Bxc6 18. Qb2 Qa5 19. Ke2 Qxc5 20. Rac1 Qd6 21. Bxb4 Qxf4 22. Bxf8 Bxd4 23. Qd2 Rxa2 24. Rc2 Qf2+ 25. Kd1 Ra1+ 26. Rc1 Ba4+ 27. Bc2 Rxc1+ 28.Qxc1 Qxg2 29. Re1 Qf3+ 0-1
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