24.11.15

The Smothered Rook

Sergey Karjakin joked on twitter after the third round of ETCC in Iceland that Russia may win the event without Alexander Grischuk. Indeed, the top GM did not take part in the first three matches but came in time for the decisive one in round seven against France:
A game that I liked (ChessBase 13)

[Event "Open European Team Championship"]
[Site "?"]
[Date "2015.11.20"]
[Round "7.2"]
[White "Grischuk, Alexander"]
[Black "Fressinet, Laurent"]
[Result "1-0"]
[WhiteElo "2750"]
[BlackElo "2712"]
[Annotator "Bojkov, Dejan"]
[PlyCount "85"]
[EventDate "2015.??.??"]
[WhiteClock "0:22:13"]
[BlackClock "0:28:57"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 {Diagram [#] The Berlin is not as solid as it
used to be on Icelandic soil.} 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5
8. Qxd8+ Kxd8 9. h3 h6 10. Rd1+ Ke8 11. Nc3 Ne7 12. b3 Bf5 13. Nd4 Bh7 14. Nce2
Rd8 15. Bb2 a6 $146 {[%cal Gc6c5] Diagram [#] To prepare the c6-c5 advance.
Fressinet definitely knew something about the other game in this line:} (15...
Nd5 16. c4 Nb4 17. Nf4 Rg8 18. g4 Na6 19. Nf5 {with pressure for White in
Caruana,F (2805)-Carlsen,M (2876) Stavanger 2015}) 16. c4 c5 17. Nf3 Nc6 18.
Nf4 Bc2 {That forces the capture on d8 to which Black wants to reinforce the
control over the critical e6 square.} ({Worse is} 18... Rxd1+ 19. Rxd1 Nd8 {
Due to} 20. e6 $1 {[%csl Yc7,Re5][%cal Ge5c7] Diagram [#] Anyway!} Nxe6 (20...
fxe6 21. Be5) 21. Nxe6 fxe6 22. Be5 $16) 19. Rxd8+ Nxd8 20. e6 {[%cal Ge1e8]
Diagram [#] The main theme in the Berlin. If this break works, Black can never
finish the development and will play without his kingside rook and bishop.} f6
$2 {This pawn should not be allowed to stay there.} ({For good or for bad
Black should have taken the pawn-} 20... Nxe6 21. Re1 (21. Nxe6 fxe6 22. Re1
Kd7 23. Ne5+ Ke8 {looks OK for the second player.}) 21... Kd7 (21... Rh7 $5 22.
Nxe6 fxe6 23. Rxe6+ Kd8 24. Re1 g5 {may also be fine for Black.}) 22. Ne5+ Ke8
{White can repeat moves if he likes or transpose into the line from above} 23.
Nxe6 fxe6 {when Black is fine.}) 21. Rc1 (21. Re1 $5 {made sense too.}) 21...
Bf5 {One more inaccuracy after which Black can hardly save the game.} (21...
Be4 {was not ideal neither due to} 22. Nh4 Rg8 23. Nh5 {with the threat Bb2xf6
when the bishop on e4 is another target.}) (21... Bh7 {seemed best though,
moving it away from the white pieces and eventually defending the rook on g8.
After} 22. Re1 Nc6 ({But not} 22... Bd6 23. Nh5 Rg8 24. Bxf6 $1) 23. Nh4 (23.
Nh5 Rg8 {and if} 24. Bxf6 Bg6 25. e7 Bxh5 26. exf8=Q+ Kxf8 27. Be5 Bxf3 28.
gxf3 Nxe5 29. Rxe5 $11) 23... Bd6 {White is better, but not winning, say} {Or}
24. Nhg6 (24. Nh5 Rg8 25. Bxf6 gxf6 26. Nxf6+ Kf8 27. Nxg8 (27. Nxh7+ Kg7)
27... Kxg8) 24... Rg8) 22. Re1 Bd6 ({In case of} 22... Nc6 23. Nh5 {Black has
difficulties with the development of the flank as} (23. g4 $5) 23... Rg8 {
runs into} 24. Nh4 ({Not the hasty} 24. Bxf6 Bg6 $1) 24... Bd3 25. Bxf6 $1 gxf6
26. Nxf6+ {and wins.}) 23. Nh4 Bc2 ({Without the bishop pair Black's position
will be a mess} 23... Bxf4 24. Nxf5) 24. Nh5 Rh7 ({Or} 24... Rg8 25. f4) 25. f4
{[%cal Gf4f5,Gg2g4] Diagram [#] Grischuk is building a solid pawn chain on the
kingside to support the e6 pawn.} Nc6 26. g4 Nd4 27. f5 {On a high level, the
game is over. The rook is excluded from the game on h7 and White has decisive
advantage on the other side of the board.} a5 28. Kf2 a4 29. bxa4 {To open a
file for the rook.} (29. Rc1 $1 {Diagram [#] was actualy easier. After} axb3 (
29... Be4 30. Ke3 Bc6 31. Bxd4 cxd4+ 32. Kxd4 {wins without any chances.}) 30.
axb3 Bxb3 31. Bxd4 cxd4 32. Ra1 {[%csl Ye8][%cal Ga1a8,Gh4g6] The rook gets
the open file and intends to mate with Ra1-a8+ and Nh4-g6.}) 29... Bxa4 30. Re3
{The point behind White's last move. Re3-a3-a8 is on the agenda.} b6 31. Ng6
Kd8 32. Rd3 Kc8 33. Ke3 {In time trouble Grischuk forces matters. Another win
was} (33. Ra3 Bc6 34. e7 Kb7 35. Re3 Be8 36. Nf8 Rh8 37. Nxg7 $18) 33... Bc2
34. Ra3 {If White had more time he might have chosen the line} (34. Rd2 Nxf5+
35. gxf5 Bxf5 36. Rxd6 $1 Bxg6 37. Nf4 cxd6 38. Nxg6 {[%csl Ge6,Yf6,Gg6,Yg7,
Yh6,Yh7][%cal Re6d7,Re6f7,Rg6e7,Rg6f8,Rg6h8] Diagram [#] with picturesque
position where the rook on h7 is still in a super-secure prison.}) 34... Nxe6
35. fxe6 Bxg6 36. Ra8+ Kb7 37. Rg8 {White regains the pawn with interest and
the passer on e6 decides the game.} f5 ({Or} 37... Kc6 38. Nxg7) 38. Bxg7 Bxh5
39. gxh5 Kc6 40. a4 Kb7 41. Bf6 Kc6 ({The rook endgame leave no hopes for Black
} 41... Be7 42. Bxe7 Rxe7 43. Rg6) 42. Rg7 Rh8 43. Rxc7+ {Diagram [#]
Fressinet resigned due to the line} (43. Rxc7+ Kxc7 44. Bxh8 Kd8 45. Bg7 Ke7
46. Bxh6 Kxe6 47. Bf4 Be7 48. Bc7 {A crucial win for Grischuk and Russia!}) 1-0



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