20.9.15

Ivanchuk Goes Home

Dmitry Jakovenko's first classical win at round 3 of the World Cup came in the best possible moment. The Russian GM managed to defeat the legend of the Ukrainian chess- Vassily Ivanchuk.
A game that I liked (ChessBase 13)

[Event "FIDE World Chess Cup"]
[Site "?"]
[Date "2015.09.18"]
[Round "20.10"]
[White "Jakovenko, Dmitry"]
[Black "Ivanchuk, Vassily"]
[Result "1-0"]
[WhiteElo "2748"]
[BlackElo "2726"]
[Annotator "Bojkov, Dejan"]
[PlyCount "69"]
[EventDate "2015.??.??"]
[WhiteClock "0:19:12"]
[BlackClock "0:31:05"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Nf3 a6 {Diagram [#]
Ivanchuk chose a rare line which Jakovenko had analyzed long time ago, but
could not remember his preparation.} 7. Bd3 c6 8. O-O b5 ({Another way for
Black to play is} 8... Nfd7 9. Bg5 h6 10. Be3 b5 11. Qd2 Kh7 12. Rac1 e5 {as
in Khairullin,I (2642)-Onischuk,V (2563) Khanty-Mansiysk 2012}) 9. Re1 {Solid
play.} Nbd7 ({The only thing Jakovenko remembered about his prep was that the
line} 9... bxc4 10. Bxc4 d5 11. Bd3 {is considered slightly better for White.})
10. Bg5 h6 {Jakovenko was a bit afraid of the line} (10... bxc4 11. Bxc4 c5 {
but the brief after-game analyzes revealed that White is better after} 12. e5
cxd4 13. exf6 exf6 14. Nxd4 fxg5 15. Bd5 ({Or} 15. Nc6)) 11. Be3 bxc4 $146 {
Diagram [#] A novelty.} ({A predecessor saw} 11... Nb6 12. b3 Nfd7 13. Rc1 b4
14. Ne2 {when White is very stable and enjoys extra space and stronger center,
Grivas,E (2499)-Sigalas,F (2069) Chania 2000}) 12. Bxc4 d5 13. Bd3 dxe4 14.
Nxe4 {[%csl Rc5,Yc6] Diagram [#] Black freed himself a bit, but the problems
with the weak pawn on c6 and the weak c5 square remain. This is probably the
great difficulty of the whole line,White does not even have to do anything to
get better position.} Nd5 ({On} 14... Bb7 {White was planning} 15. Rc1 {
followed by Ne4-c5 with an edge.}) 15. Bd2 Qb6 16. b4 ({On} 16. Qa4 {Jakovenko
was afraid that Ivanchuk may free himself with} c5 (16... a5 {might be better.}
) {but the analyzes show that White has} 17. Qc4 Bb7 18. Nxc5 Nxc5 19. dxc5 {
just winning a pawn.}) 16... Nxb4 {Jakovenko did not analyze this move
seriously as he had explain after the game that he has a special feelings for
the queens.} 17. Rb1 a5 ({Better than} 17... Nxd3 18. Rxb6 Nxb6 19. Re3 Nf4 20.
Nc5 {when White can use the a5 square later.}) 18. a3 Nxd3 19. Rxb6 Nxb6 {[%csl
Ya8,Yb6,Yc6,Gd1] Diagram [#]} 20. Re3 ({At first White wanted to play} 20. Re2
{but he did not like} Nd5 (20... Nc4 21. Bxh6 Bxh6 22. Qxd3 Ba6) (20... Ba6 $5
{was dismissed by White but might not be bad at all after} 21. Bxa5 Nd5 {with
counterplay.} (21... Nc4 22. Bb4)) 21. Nc3 Nxc3 22. Bxc3 Nf4 {and the black
knight lands on d5.}) 20... Nb2 21. Qc1 N2c4 22. Rc3 Nxd2 23. Qxd2 {For the
queen Ivanchuk has enough material- a rook, a bishop and a pawn. However, his
pieces are not yet co-ordinated and he has problems.} Rd8 24. Qe1 ({Better than
} 24. Rxc6 Bb7 25. Rxb6 Bxe4 $11) 24... Nd5 25. Rxc6 Bb7 26. Rc5 Nf4 ({
Jakovenko believed Black's best chance is} 26... a4 {Diagram [#]} 27. Qb1 Ba6
28. Ne5 Rab8 29. Qc1 $16 {alhtough White dominates with his central pieces.})
27. Rc7 Rab8 {A crtical moment of the battle. Now Ivanchuk had the very nice
tactical idea} (27... Rac8 $1 {Diagram [#] and if} 28. Rxb7 ({White can also
be tricky with} 28. Rxe7 Rc1 29. Nf6+ $1 {Now the rook covers the e2 square,
but Black has decent chances to survive after} Bxf6 30. Qxc1 Nxh3+ 31. gxh3
Bxe7) 28... Rc1 29. Qxc1 Ne2+ {leads to a draw.}) 28. Rxe7 Nd5 29. Rxb7 $1 ({
The forced line} 29. Rxf7 Kxf7 30. Neg5+ hxg5 31. Nxg5+ {Diagram [#] leads
only to draw after} Kg8 $1 (31... Kf8 $2 32. Qe6 {is mate}) 32. Qe6+ Kh8 33.
Qxg6 Nf6 34. Nf7+ Kg8 35. Nh6+ $11 {Jakovenko.}) 29... Rxb7 30. Qxa5 Rbb8 {One
advantage was transformed into another. The queen and the pawn are superior as
they have the strong support of the white knights. This allows White a chance
to attack on the kingside.} ({Perhaps Black needed to defend the seventh rank
with} 30... Rc7 31. Ne5 $16) 31. Ne5 Ra8 32. Qc5 Rac8 ({Or} 32... Bf8 33. Qc4
Bxa3 (33... Rac8 34. Nc5) 34. Nf6+ Nxf6 35. Qxf7+ {and White wins (Jakovenko).}
) (32... Nf6 {to relief the pressure from the white knights was another try.})
33. Qa7 Rc1+ {Once that the rooks get separated, the game is over.} 34. Kh2 Nc7
35. Nc5 {Diagram [#]} ({Ivanchuk resigned due to the line} 35. Nc5 Bxe5+ 36.
dxe5 Rd5 37. Ne4 $1 Rxe5 38. Qb8+ ({Even better than} 38. Qd4 {(Sutovsky)
which also wins.}) 38... Kg7 (38... Kh7 39. Nf6+ Kg7 40. Nd7 $18) 39. Qb2 $18 {
with decisive attack.}) 1-0



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