IM/WGM Yelena Dembo's Chess Academy

 [Event "?"]  [Site "?"]  [Date "2013.06.23"]  [Round "?"]  [White "Nakamura, Hikaru"]  [Black "Morozevich, Alexander"]  [Result "0-1"]  [WhiteElo "2784"]  [BlackElo "2760"]  [Annotator "Dembo,Yelena"]  [PlyCount "98"]  [EventDate "2013.??.??"]  [WhiteClock "0:16:59"]  [BlackClock "0:47:50"]   1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+ 5. Nbd2 (5. Nc3 {is the usual.}) 5...  dxc4 {This position happened already twice in Morozevich's practice - against  Carlsen and Sandipan.} 6. e3 {A very rare system.} (6. Qa4+ Nc6 7. a3 Bxd2+ 8.  Bxd2 Qd5 9. Qc2 Nxd4 10. Nxd4 Qxd4 11. Bc3 Qg4 12. f3 Qh4+ 13. g3 Qh6 14. e4  Bd7 15. Bxc4 Bc6 16. Qf2 O-O 17. O-O Rfd8 18. Rad1 b6 19. Bd2 Qg6 20. Bf4 Nxe4  21. fxe4 Qxe4 22. Qe2 Rxd1 23. Rxd1 Qh1+ 24. Kf2 Qxh2+ 25. Ke3 Qh3 26. Kd2 Bd5  27. Bd3 h6 28. Kc1 c5 29. Bc2 Qg2 30. Qd3 f5 31. Qe3 Rf8 32. Be5 Qf3 33. Qxf3  Bxf3 34. Rd6 Bd5 35. Kd2 Rf7 36. Ke3 Kh7 37. Ba4 Re7 38. Bd1 Kg6 39. Kf4 Kh7  40. Bh5 g6 41. Be2 g5+ 42. Ke3 Kg6 43. Rd8 Bc6 44. Rg8+ Kh7 45. Rc8 Bd5 46. Bh5  {1-0 (46) Carlsen,M (2775)-Morozevich,A (2788) Moscow 2008}) (6. Qc2 b5 7. a4  c6 8. g3 Bb7 9. Bg2 Nbd7 10. O-O Qc8 11. b3 c3 12. Ne4 Nxe4 13. Qxe4 c5 14. Qg4  h5 15. Qh4 f6 16. Be3 c4 17. axb5 Bd5 18. Ra4 Be7 19. bxc4 g5 20. Nxg5 Bxg2 21.  Kxg2 fxg5 22. Qe4 Nf6 23. Qg6+ Kd8 24. Rfa1 h4 25. d5 h3+ 26. Kg1 Rg8 27. Qd3  exd5 28. cxd5 Ke8 29. d6 Bd8 30. Rxa7 Rxa7 31. Rxa7 c2 32. d7+ Nxd7 33. Qe4+  Kf8 34. Qf5+ Bf6 35. Bc1 Qc3 36. Qxh3 Rg7 37. Kg2 Qd4 38. Ba3+ Kg8 39. Ra8+ Kf7  40. Qf5 g4 41. Rd8 {1-0 (41) Mamedyarov,S (2731)-Eljanov,P (2720) Elista 2008})  6... b5 7. a4 {Novelty.} (7. Be2 Bb7 8. O-O O-O 9. b3 Bxd2 10. Qxd2 cxb3 11.  axb3 a6 12. Rfc1 Nbd7 13. Qe1 Bd5 14. Nd2 Qb8 15. f3 Qb6 16. Bh4 e5 17. Qf2  exd4 18. exd4 a5 19. Bd3 Rfe8 20. g4 a4 21. bxa4 Rxa4 22. Rxa4 bxa4 23. Bg3 a3  24. Nb1 a2 25. Nc3 Qa5 26. Nxd5 Nxd5 27. Qb2 Rb8 28. Qa1 Qd2 29. Rd1 Qb2 30.  Bf2 Nc3 31. Re1 Qxa1 32. Rxa1 Rb1+ {0-1 (32) Penttinen,J (2322)-Moiseenko,A  (2678) Kallithea 2008}) 7... c6 8. Qc2 Bb7 9. Be2 Nbd7 10. O-O O-O 11. b3 (11.  Ne4 $6 Be7 {and exchanges benefit Black.}) 11... c3 (11... c5 $5 {opening the  position up.}) 12. Ne4 h6 13. Bh4 {Naturally white keeps the B pair.} (13. Bxf6  Nxf6 14. Nxc3 Qe7 $11) 13... g5 $1 {The right way to immediately get rid of  the pin.} 14. Nxf6+ Nxf6 15. Bg3 c5 $1 {Black sacrifices the pawn back but  opens the B up.} 16. Bxb5 Be4 17. Qe2 Rc8 $11 18. Ba6 cxd4 $1 19. Nxd4 (19.  Bxc8 $2 d3 $19 {and pawns are unstoppable.}) 19... Rc5 20. Rad1 Nd5 $6 (20...  Qb6 21. Bc4 Bg6 $13 {was a better choice, placing later the N on e4.}) 21. Nc2  $1 $14 Qb6 $6 (21... Bxc2 {exchanging the blocking piece.} 22. Qxc2 Qe7 {going  away from the pin and having Ba5, Nb4 in mind.}) 22. Bc4 $2 ({The exchange of  Bs was beneficial for white as Be4 is very active.} 22. Bd3 Bxd3 23. Rxd3 $16)  22... a5 $11 {Solidifying the queenside.} 23. Rd4 Bg6 24. h4 Rcc8 {Sacrificing  a pawn.} 25. hxg5 (25. Bxd5 $2 exd5 26. Rxd5 Rfd8 $17) 25... hxg5 26. Rg4 Be7  27. e4 Nf4 {Sacrificing another pawn.} 28. Bxf4 gxf4 29. e5 $6 (29. Ne1 {  bringing the N to the kingside where it can help in attack.}) 29... Kg7 {Black  wants to bring the R to h8.} 30. Bd3 $2 (30. Ne1 Rh8 {with the idea of  doubling on the h-file.}) 30... Rh8 $17 31. g3 (31. Bxg6 fxg6 32. Qe4 Rh6 $17)  31... Rh6 {Another pawn sacrifice!} (31... fxg3 32. Rxg3 Rh6 $17) 32. Be4 $2 (  32. Kg2 fxg3 33. Rxg3 Qxb3 $17) 32... Rch8 $2 (32... fxg3 33. Rxg3 Qxb3 $19)  33. Qc4 (33. gxf4 Kf8 $19 {unpinning and continuing the attack.}) 33... fxg3  34. Rxg3 Rh4 $1 {Reaction on the last move of white.} 35. Qc6 $2 (35. Ne1 Kf8  $19) (35. Ne3 Rd8 {threatening Rd4.}) 35... Qxc6 36. Bxc6 Bc5 $2 (36... Rh3 $1  $19 {was extremely strong.}) 37. Rc1 (37. Re1 Rd8 $19 {invading to the 2nd  soon.}) 37... Rf4 38. Ne3 Bd4 $19 39. Bb5 (39. Bf3 Kf8 40. Ng2 Rf5 $19 {and e5  falls.}) 39... Kf8 40. Bc6 Bxe5 41. Nd1 (41. Ng2 Rb4 $19 {going for more pawns.  }) 41... Rb4 42. Rxg6 fxg6 43. Nxc3 Ke7 44. Bg2 Rxb3 45. Ne4 Rd8 (45... Rb4 $19  ) 46. Re1 Rbd3 47. Kf1 Rd1 48. Nc5 Rxe1+ 49. Kxe1 Rd4 0-1 

 [Event "?"]  [Site "?"]  [Date "2013.06.23"]  [Round "?"]  [White "Karjakin, Sergey"]  [Black "Anand, Viswanathan"]  [Result "1/2-1/2"]  [WhiteElo "2782"]  [BlackElo "2786"]  [PlyCount "70"]  [EventDate "2013.??.??"]  [WhiteClock "1:50:23"]  [BlackClock "1:37:19"]   1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2  Qxb2 9. Rb1 Qa3 10. e5 h6 {?!} (10... dxe5 {<font color=red>-0.74|d15<  /font> $15}) 11. Bh4 dxe5 12. fxe5 Nd5 {?!} (12... Nfd7 13. Be2 Be7 14. Bxe7  Qxe7 15. Nf3 Nc6 16. Ne4 O-O 17. Qc3 f6 18. exf6 Nxf6 19. Nxf6+ Qxf6 20. Qxf6 {  <font color=red>-0.75|d17</font> $17}) 13. Nxd5 exd5 14. e6 Bxe6  15. Rxb7 Bd6 16. Nxe6 fxe6 17. Be2 O-O 18. Qd4 Rf7 19. Rxf7 Kxf7 20. O-O+ Kg8  21. Qg4 Qe3+ 22. Bf2 Qe5 23. Bg3 Qe3+ 24. Bf2 Qe5 25. Bd4 Qxh2+ 26. Kf2 Qf4+  27. Qxf4 Bxf4 28. Bg4 Nc6 29. Bxe6+ Kh8 30. Bxd5 Rd8 31. Bxg7+ Kxg7 32. Bxc6  Rd2+ 33. Kf3 Rxc2 34. Be4 Rc1 35. Rxc1 Bxc1 {Z0} ({Bb7} 35... a5 36. Kg4 Kf6  37. a4 Bg5 {Be4 Ke5} 38. Bf3 {Kf6 Bb7} Ke6 39. Be4 Kf6 40. Bb7 Ke6 {Houdini  Aquarium (0:00:54) <font color=red>+0.00|d23</font> $11}) 1/2-1/2 

 [Event "Tal Memorial 2013"]  [Site "Moscow"]  [Date "2013.06.23"]  [Round "?"]  [White "Caruana, Fabiano"]  [Black "Andreikin, Dmitry"]  [Result "1/2-1/2"]  [WhiteElo "2774"]  [BlackElo "2713"]  [PlyCount "81"]  [EventDate "2013.??.??"]  [WhiteClock "0:36:47"]  [BlackClock "0:42:15"]   1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. O-O g6 7. d4 Bg7 8. h3 Nf6  9. Re1 O-O 10. Nbd2 Re8 11. Bc2 Qe7 12. Nf1 Qf8 13. Ng3 Rad8 14. d5 Ne7 15. Nh2  Bh6 16. Qf3 Bxc1 17. Raxc1 Qg7 18. Qe3 Nh5 19. Nxh5 gxh5 20. Kh1 f5 21. exf5  Bxf5 22. Bxf5 Nxf5 23. Qd3 Rf8 24. Nf3 Ne7 25. c4 Ng6 26. Rc3 Kh8 27. Qf1 Qf6  28. Re4 a5 29. Rb3 b6 30. h4 Rd7 31. g3 Qf5 32. Re2 Qg4 33. Nd2 Rdf7 34. Ne4  Rf3 35. Rxf3 Qxf3+ 36. Kh2 h6 37. Re1 Ne7 38. Qe2 Qf7 39. Qd2 Nf5 40. Nc3 Qg6  41. Re4 {Z0} ({Nd4} 41. Kg2 Kg7 {Qe1 Kh7} 42. Nb5 {Nxb5 cxb5} Qf7 43. Qe2 Qxd5+  44. Kg1 Kh8 {Rc4 Qxb5} 45. Qxh5 {Houdini Aquarium (0:09:32) <font  color=red>+0.00|d26</font> $11}) 1/2-1/2 

 [Event "?"]  [Site "?"]  [Date "2013.06.23"]  [Round "?"]  [White "Mamedyarov, Shakhriyar"]  [Black "Carlsen, Magnus"]  [Result "1/2-1/2"]  [WhiteElo "2753"]  [BlackElo "2864"]  [PlyCount "67"]  [EventDate "2013.??.??"]  [WhiteClock "0:41:45"]  [BlackClock "0:51:08"]   1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 c6 6. Bg2 Bf5 7. O-O Ne4 8. Re1  O-O 9. Qb3 Nxc3 10. bxc3 Qc8 11. e4 Bg4 12. e5 Bxf3 13. Bxf3 dxe5 14. Rb1 exd4  15. cxd4 Bxd4 16. Qxb7 Qf5 {?} (16... Nd7 17. Qxc8 Raxc8 18. Rxe7 Ne5 19. Be2  Rfe8 20. Rxe8+ Rxe8 21. Kf1 h5 22. h3 Nd7 23. Bf4 Nb6 24. Rd1 {<font  color=red>+0.31|d28</font> $14}) 17. Kg2 {?} (17. Bb2 Bxb2 18. Qxa8  Qa5 19. Rxe7 Qxa2 20. Rd1 a6 21. c5 Ba3 22. Qa7 Qc2 23. Re5 Qc3 24. Re3 Bxc5 {  <font color=red>+2.09|d24</font> $18}) 17... Na6 18. Bh6 Nc5 19.  Qxe7 {?!} (19. Qxc6 Rac8 20. Qd5 Qxd5 21. cxd5 Rfe8 22. Rec1 Rc7 23. Rc4 Be5  24. Rbc1 Rec8 25. Bg4 f5 26. Be2 Kf7 {<font color=red>+0.82|d26</  font> $16}) 19... Nd3 20. Re4 Bg7 21. Rd1 Bxh6 22. Rxd3 Bg5 23. Qe5 Qxe5 24.  Rxe5 Bf6 25. Ra5 Rfd8 26. Rxd8+ Rxd8 27. Bxc6 Rd2 28. Rxa7 Bd4 29. Rd7 Rxf2+  30. Kh3 Be5 31. Rd5 Bc7 32. Rd7 Be5 33. Rd5 Bc7 34. Rd7 {Z0} ({Be5} 34. Ba4 {  Houdini Aquarium (0:00:48) <font color=red>+0.00|d32</font> $11})  1/2-1/2 

 [Event "Tal Memorial 2013"]  [Site "Moscow"]  [Date "2013.06.23"]  [Round "?"]  [White "Kramnik, Vladimir"]  [Black "Gelfand, Boris"]  [Result "1/2-1/2"]  [WhiteElo "2803"]  [BlackElo "2755"]  [PlyCount "50"]  [EventDate "2013.??.??"]  [WhiteClock "1:38:33"]  [BlackClock "1:57:30"]   1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 e6 6. Nge2 Nge7 7. O-O O-O 8. d4  cxd4 9. Nxd4 d5 10. cxd5 Nxd4 11. exd4 Nxd5 12. Re1 Qb6 13. Bxd5 exd5 14. Nxd5  Qxd4 15. Qxd4 Bxd4 16. Nc7 Rb8 17. Nb5 Bb6 18. Bh6 Rd8 19. Bf4 Ra8 20. Nc7 Bxc7  21. Bxc7 Rf8 22. Bd6 Rd8 23. Bc7 Rf8 24. Bd6 Rd8 25. Bc7 Rf8 {Z0} ({Be5} 25...  Be6 26. a3 Rac8 {Bc3 Rfd8} 27. f3 h5 28. Kf2 Kh7 29. Red1 g5 30. h4 gxh4 31.  gxh4 Rxd1 {Houdini Aquarium (0:00:04) <font color=red>+0.10|d20</  font> $11}) 1/2-1/2 

 [Event "?"]  [Site "?"]  [Date "2013.06.22"]  [Round "?"]  [White "Carlsen, Magnus"]  [Black "Nakamura, Hikaru"]  [Result "1-0"]  [WhiteElo "2864"]  [BlackElo "2784"]  [Annotator "Dembo,Yelena"]  [PlyCount "93"]  [EventDate "2013.??.??"]  [WhiteClock "0:44:13"]  [BlackClock "0:02:58"]   1. c4 e6 2. g3 d5 3. Bg2 c6 4. Qc2 {An interesting way to handle the English  opening!} Nf6 5. Nf3 dxc4 (5... Nbd7 {is the usual.} 6. O-O Bd6 7. d4 Ne4 8.  Nc3 f5 9. Rb1 Qe7 10. c5 Bc7 11. b4 O-O 12. Bb2 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5  15. e3 a5 16. a3 axb4 17. axb4 h5 18. Ne2 h4 19. Nf4 Bxb2 20. Qxb2 hxg3 21.  hxg3 Qf6 22. Qxf6 Nxf6 23. Ra1 Bd7 24. f3 g5 25. Ne2 Kf7 26. Nd4 Kg6 27. Rfb1  Rh8 28. Kf2 g4 29. f4 Rhb8 30. Ra5 Rxa5 31. bxa5 Ra8 32. Ra1 Kf7 33. Nb3 Be6  34. Ra4 Ke7 35. Rb4 Bc8 36. Bf1 Ne4+ 37. Kg2 Nc3 38. Bd3 Nd1 39. a6 bxa6 40.  Na5 Bd7 41. Rb7 Kd8 42. Kf1 Nxe3+ 43. Ke2 d4 44. Kd2 Kc8 45. Be2 Nd5 46. Rb3  Rb8 47. Bxa6+ Kc7 48. Rxb8 Kxb8 49. Bd3 Nf6 50. Ke2 Ne4 51. Bxe4 fxe4 52. Nb3  d3+ 53. Ke3 Be6 54. Nd4 Bd7 55. Nb3 Be6 56. Nd4 Bd7 57. Nb3 {1/2-1/2 (57)  Fressinet,L (2693)-Jussupow,A (2578) Switzerland 2012}) 6. Qxc4 b5 7. Qb3 (7.  Qc2 {is played more often by Ivanchuk, Wang Yue, Radjabov and many other top  GMs.} Bb7 8. O-O Nbd7 9. a4 a6 10. Nc3 Rc8 11. d3 Be7 12. e4 O-O 13. Be3 Ng4  14. Bf4 Ngf6 15. Rfd1 Qb6 16. a5 Qa7 17. e5 Nd5 18. Nxd5 cxd5 19. Qe2 d4 20. h4  Qa8 21. Ne1 Bxg2 22. Nxg2 Qd5 23. Re1 h6 24. Qg4 Kh7 25. Re2 Rc6 26. Ne1 Rfc8  27. Nf3 f5 28. Qh5 Kg8 29. Nh2 Nc5 30. Rd1 Nxd3 31. Bxh6 gxh6 32. Qg6+ Kf8 33.  Qxh6+ Ke8 34. Red2 Nxe5 35. Rxd4 Nf7 36. Qh7 Qe5 37. Nf3 Qh8 38. Qg6 Qh6 39.  Qg8+ Qf8 40. Qh7 Qh6 41. Qg8+ Qf8 42. Qh7 Qh6 43. Qg8+ Qf8 {1/2-1/2 (43)  Ivanchuk,V (2768)-Grischuk,A (2746) Khanty-Mansiysk 2011}) 7... Bb7 8. O-O Nbd7  9. d4 a6 {Black prepares the c5-push as now b5 pawn is protected.} 10. Ne5 (10.  a4 c5 11. axb5 Bd5 12. Qc2 Be4 13. Qd1 axb5 14. Rxa8 Qxa8 15. Bg5 Be7 16. dxc5  Nxc5 17. Bxf6 Bxf6 18. Qd6 Be7 19. Qc7 Na6 20. Qa5 Bc6 21. Rc1 O-O 22. Nbd2 Qb7  23. Qc3 Nb4 24. Nb3 Bd5 25. Nc5 Bxc5 26. Qxc5 Na2 27. Rd1 Rc8 28. Qd4 h6 29.  Ne1 Bxg2 30. Nxg2 Rc1 31. Rxc1 Nxc1 32. Qd8+ Kh7 33. Qd1 Qc6 34. Ne3 b4 35. f3  Qc5 36. Kf2 b3 37. Qd7 Qe5 38. Qd2 Qc5 39. Qd7 Qe5 40. Qd2 Qc5 41. f4 g6 42. h4  h5 43. Qd7 Kg7 44. Qa4 Qb6 45. Qc4 Na2 46. Qd3 Kg8 47. Kf1 Qb7 48. Kf2 Qb6 49.  Qc4 Kg7 50. Kf3 Qb7+ 51. Qe4 Qb6 52. Qe5+ Kg8 53. Nc4 Qc6+ 54. Qe4 Qc5 55. Ne5  Qg1 56. Qc6 Qf1+ 57. Ke3 Qg1+ 58. Kd2 Qd4+ 59. Nd3 Kg7 60. Qb5 Qd5 61. Qxd5  exd5 62. Ke3 Kf6 63. Kd4 Kf5 64. Kxd5 Kg4 65. Kc4 Kxg3 66. Kxb3 Kxh4 67. Kxa2  Kg3 68. b4 h4 69. Ne1 h3 70. Nf3 Kxf4 71. b5 h2 72. Nxh2 Ke5 73. Kb3 Kd6 74.  Kc4 g5 75. e4 {1-0 (75) McShane,L (2615)-Grandelius,N (2540) Stockholm 2010})  10... Qb6 ({Black usually captures the N} 10... Nxe5 11. dxe5 Nd7 (11... Nd5  12. Nc3 Qb8 13. a4 b4 14. Ne4 Qxe5 15. Be3 a5 16. Rfd1 Qc7 17. Bd4 e5 18. Bc5  Bxc5 19. Nxc5 Rd8 20. Qc2 Bc8 21. Nb3 Qb6 22. Nxa5 Qxa5 23. Qxc6+ Ke7 24. Rxd5  Rxd5 25. Bxd5 Ba6 26. Bb3 Rd8 27. Qf3 {1-0 (27) Fressinet,L (2696)-Gordon,S  (2535) Germany 2012}) 12. Rd1 Qc7 13. Bf4 Be7 14. Nc3 O-O 15. Ne4 Nc5 16. Nxc5  Bxc5 17. Be4 Be7 18. Qf3 Rfd8 19. Rdc1 Rac8 20. a4 Rd7 21. axb5 axb5 22. Ra7  Qb8 23. Rca1 Bc5 24. R7a2 Bd4 25. Qh5 g6 26. Qg5 Bc5 27. Qg4 Bf8 28. Ra5 Bg7  29. Rc1 Bxe5 30. Qf3 Bxf4 31. gxf4 Qd6 32. Qe3 Qb4 33. Ra2 Rd4 34. Bf3 Rcd8 35.  Ra7 Bc8 36. Rxc6 Rd1+ 37. Kg2 e5 38. fxe5 Qh4 39. e6 fxe6 40. Rxc8 {1-0 (40)  Naiditsch,A (2702)-Riazantsev,A (2710) Kishinev 2012}) 11. Be3 c5 12. Nxd7 Nxd7  13. d5 {Trying to open the position up as Black K is still in the center.} e5  $2 {A wrong decision. Black blocks the center, but creates a passed pawn to  white.} (13... exd5 14. Bxd5 (14. Nc3 $5) 14... Bxd5 15. Qxd5 Rc8 16. a4 b4 17.  Nd2 $14 {1-0 (59) Smirnov,P (2599)-Zontakh,A (2556) Sochi 2012}) 14. a4 $1 b4  15. Nd2 {Now the N has a nice square on c4.} Bd6 16. Nc4 Qc7 17. f4 $1 {  Continuing to gain space and attempt to open the position up.} O-O 18. Rac1  exf4 19. Bxf4 (19. Nxd6 $5 {aquiring the B pair} Qxd6 20. Bxf4 Qb6 21. e4 $16 {  and} c4+ {doesn't win the Q due to} 22. Qe3) 19... Bxf4 20. gxf4 {White wants  to have a strong center, possibly supported by the f-pawn.} a5 21. e4 (21. d6  $1 Qc8 22. e4 $16) 21... Rae8 $2 {Black is very passive and can do little  against the center of white.} (21... Ra6 $5 22. d6 (22. e5 $6 Rg6 {and Black  gets some counterplay}) 22... Rxd6 23. Nxd6 Qxd6 24. Qe3 $16) 22. e5 Ba6 23.  Rfe1 Kh8 (23... Nb6 24. Nxb6 (24. Nxa5 Nxd5 25. Qxd5 Qxa5 26. Qxc5 $18) 24...  Qxb6 25. Qe3 Rc8 26. d6 $18) 24. Nd6 $18 Re7 25. Qe3 $6 (25. Qg3 {was much  stronger, threatening Nf5 now that the Black R is on f5.} g6 26. Qh4 $18) 25...  Qd8 26. b3 {Fixing the Black pawns on the queenside.} (26. Qg3 $5) 26... g5 27.  Kh1 $6 (27. Nf5 $1 gxf4 28. Qxf4 {and Black K is very weak.}) 27... Qb8 (27...  gxf4 28. Qxf4 $18) 28. Qf2 {Threatening to capture on g5.} gxf4 29. Qxf4 Bd3  30. Re3 $4 {A unfortunate miscalculation.} (30. Bh3 $1 {was very strong,  threatening ...Bxd7 and Qf6.}) 30... Bg6 $4 (30... Rxe5 $1 {was incredibly  strong getting very good game for the sacrificed exchange.} 31. Rxe5 Qxd6 32.  Rf5 Qxf4 33. Rxf4 c4 $1 $44 {trying to create a passed pawn and improve the N.}  ) 31. Rf1 $2 (31. Bh3 {was again very strong.}) 31... Rxe5 {Too late.} 32. Rxe5  Qxd6 33. Re8 $6 (33. Re3 $16) 33... Qxf4 34. Rxf8+ Kg7 35. Rxf4 Kxf8 {Black  has some chances of survival here as the K is almost in the center already and  white pawns are fixed on light squares which can possibly be used by the B.}  36. d6 $1 Ne5 37. Bf1 $1 {An important improvement of the B.} Bc2 $2 (37... Ke8  {it was necessary to get the K to d8 to block the pawn.} 38. Bb5+ Kd8 39. Kg1  $16) 38. Bb5 $1 {Now the Black K is cut off.} f5 (38... Bxb3 {perhaps was a  better choice.} 39. Rf5 f6 40. Rxf6+ Nf7 41. Rf5 $16) 39. Kg2 c4 $2 {  Miscalculation?} (39... Nf7 40. d7 Ke7 41. Rf2 $16) 40. Bxc4 $18 Be4+ 41. Kg3  Nxc4 42. bxc4 Ke8 (42... b3 43. Rf2 Bc2 44. Re2 $1 $18 {a neat move,  threatening to promote the pawn.}) 43. c5 Bc6 44. Rxf5 Bxa4 45. Re5+ Kd8 46.  Re7 Bc6 47. Rc7 1-0 

 [Event "?"]  [Site "?"]  [Date "2013.06.22"]  [Round "?"]  [White "Morozevich, Alexander"]  [Black "Caruana, Fabiano"]  [Result "0-1"]  [WhiteElo "2760"]  [BlackElo "2774"]  [PlyCount "80"]  [EventDate "2013.??.??"]  [WhiteClock "0:30:29"]  [BlackClock "0:43:06"]   {Nc5 Bxc5 Houdini Aquarium (0:00:05) <font color=red>-3.39|d19</  font> $19} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6  bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. h3 c6 11. Qf3 Re8 12. Bg5 h6 13.  Bxf6 Qxf6 14. Qxf6 gxf6 15. Ne2 Bd6 16. Rad1 Be6 17. Ng3 Rab8 18. Nh5 Be5 19.  b3 Kf8 20. f4 Bb2 21. Rf3 c5 22. Bh7 Rb6 23. c3 {?!} (23. Kf1 {<font  color=red>+0.52|d27</font> $14}) 23... Bc8 {?!} (23... d4 24. Rg3 Ke7  25. Ng7 Rh8 26. Nxe6 Rxe6 27. Bf5 dxc3 28. Bxe6 c2 29. Bg4 cxd1=Q+ 30. Bxd1 Rd8  31. Bg4 {<font color=red>+0.00|d25</font> $11}) 24. Rg3 d4 25. cxd4  Bxd4+ 26. Kh2 Bd7 27. Rg8+ Ke7 28. Re1+ Re6 29. Rxe6+ fxe6 30. Rg7+ Kd6 31. Rg6  {?!} (31. Bd3 Rh8 32. Bc4 a5 33. a4 Rb8 34. Rg6 Ke7 35. Rg7+ Kd6 36. Rg6 {<  font color=red>+0.00|d23</font> $11}) 31... Rh8 32. Rxh6 Bb5 33. g4  Bd3 34. f5 Be5+ 35. Kg2 Be4+ 36. Kf2 Bd4+ 37. Ke2 c4 38. g5 {??} (38. bxc4 Rb8  39. Nxf6 Rb2+ 40. Kd1 Rb1+ 41. Kd2 Rb2+ 42. Kc1 Rb1+ 43. Kd2 Rb2+ {<font  color=red>+0.00|d24</font> $11}) 38... c3 39. Ng3 c2 40. Nxe4+ Ke5 {Z0  } () 0-1 

 [Event "?"]  [Site "?"]  [Date "2013.06.22"]  [Round "?"]  [White "Andreikin, Dmitry"]  [Black "Karjakin, Sergey"]  [Result "1/2-1/2"]  [WhiteElo "2713"]  [BlackElo "2782"]  [PlyCount "63"]  [EventDate "2013.??.??"]  [WhiteClock "0:57:54"]  [BlackClock "1:17:05"]   1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4  Bd7 9. Ne5 Nc6 10. Qxc4 Nxe5 11. dxe5 Nd5 12. Rd1 Qc8 13. Nc3 Nxc3 14. Qxc3 c5  15. Be3 Rb8 16. b4 Bc6 17. Bxc5 Bxg2 18. Kxg2 b6 19. Bd4 Qb7+ 20. f3 Rfc8 21.  Qb3 b5 22. axb5 Qxb5 23. Qd3 Rc6 24. Bc5 Bxc5 25. bxc5 Qxd3 26. Rxd3 Rxc5 27.  Rxa6 Rxe5 28. Rb6 Rf8 29. Kf2 g6 30. Rdb3 Kg7 31. R6b5 Rxb5 32. Rxb5 {Z0} ({h6  } 32. g4 f5 33. Kg3 fxg4 34. Kxg4 {Rf5} Rb7 {Kf6} 35. h4 {Rc5} Rb6 {Rc2} 36. e3  {Rg2+ Kf4 Houdini Aquarium (0:00:02) <font color=red>+0.00|d22</  font> $11}) 1/2-1/2 

 [Event "?"]  [Site "?"]  [Date "2013.06.22"]  [Round "?"]  [White "Anand, Viswanathan"]  [Black "Kramnik, Vladimir"]  [Result "1/2-1/2"]  [WhiteElo "2786"]  [BlackElo "2803"]  [PlyCount "60"]  [EventDate "2013.??.??"]  [WhiteClock "1:32:17"]  [BlackClock "1:35:14"]   1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. e4 d5 6. e5 Ne4 7. Bd3 c5 8. Nf3  cxd4 9. Nxd4 Nd7 10. Bf4 Qb6 11. Nb3 Qc7 12. O-O Nxe5 13. Bxe4 dxe4 14. Qxe4  Bxc3 15. bxc3 f6 16. Rfe1 Qxc4 17. Bxe5 Qxe4 18. Rxe4 fxe5 19. Rxe5 b6 20. Nd4  Bd7 21. Rae1 Rac8 22. R1e3 Rc4 23. Nxe6 Bxe6 24. Rxe6 Rfc8 25. Re7 Rxc3 26. h4  Rxe3 27. fxe3 a5 28. Rb7 Rc2 29. Rxb6 Rxa2 30. Ra6 Re2 {Z0} ({Rxa5 Rxe3 Kf2  Re7 Kf3} 30... g6 31. g4 Kg7 {Ra6 Rc7} 32. Re6 Kf7 {Re3 Kf6 Kg3 Rd7 Houdini  Aquarium (0:00:03) <font color=red>+0.02|d19</font> $11}) 1/2-1/2 

 [Event "?"]  [Site "?"]  [Date "2013.06.22"]  [Round "?"]  [White "Gelfand, Boris"]  [Black "Mamedyarov, Shakhriyar"]  [Result "1/2-1/2"]  [WhiteElo "2755"]  [BlackElo "2753"]  [PlyCount "60"]  [EventDate "2013.??.??"]  [WhiteClock "0:56:14"]  [BlackClock "0:59:10"]   1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qb3 c5 6. dxc5 Nc6 7. Bg5 dxc4 8.  Qxc4 Qa5 9. Rc1 Bxc5 10. a3 Bd7 11. e3 Rc8 12. Qb5 {?!} (12. Bxf6 gxf6 13. Be2  Ne5 14. Nxe5 fxe5 15. Qd3 Be7 16. O-O Bc6 17. Qc2 Qc7 18. Bd3 Kf8 19. Be4 Kg7 {  <font color=red>+0.34|d25</font> $14}) 12... Bb6 13. Bd3 Nd5 14.  O-O Nxc3 15. Rxc3 Qxb5 16. Bxb5 f6 17. Bh4 Ke7 18. Rfc1 Rhd8 19. Kf1 Be8 20.  Bd3 h5 21. Bg3 Rd7 22. Be4 Rcd8 23. Ne1 e5 24. Nd3 Bf7 25. Ke2 Bd5 26. Bf5 Be6  27. Bg6 Bf7 28. Be4 Bd5 29. Bf5 Be6 30. Bg6 Bf7 {Z0} ({Be4 g5} 30... h4 {  Houdini Aquarium (0:00:13) <font color=red>+0.00|d25</font> $11})  1/2-1/2