[Event "GotM #49"]
[Site "Baguio"]
[Date "1978.??.??"]
[Round "?"]
[White "Kortschnoj, Viktor"]
[Black "Karpov, Anatoly"]
[Result "0-1"]
[ECO "E47"]
[WhiteElo "2665"]
[BlackElo "2725"]
[Annotator "Connaughton, Ken"]
[PlyCount "78"]
[EventDate "1978.??.??"]
[EventCountry "PHI"]
{[%evp 0,78,30,-16,-12,-6,-11,-11,-16,-23,5,-3,64,-40,17,-24,-2,7,23,33,19,19,
79,55,90,32,63,20,38,12,35,39,68,43,69,54,66,57,66,98,108,99,110,69,108,108,94,
87,106,76,103,112,137,133,134,112,112,112,154,190,185,79,79,87,87,75,72,72,83,
68,68,41,119,91,91,0,134,0,92,-29995,-29996]} 1. c4 {English Opening} Nf6 2.
Nc3 e6 3. d4 {Transposing to Queen's Gambit Declined lines.} Bb4 {Karpov goes
with the Nimzo-Indian Defense.} 4. e3 {Rubinstein System} O-O 5. Bd3 c5 {
Challenging White's center.} 6. d5 b5 7. dxe6 fxe6 8. cxb5 {[%csl Gc5,Gd7,Ge6]
[%CAl Gd7d5,Gd5d4,Gc5c4,Ge6e5] [#] Kortschnoj chooses to weaken the threat on
the flank but knows that this allows Black to build pressure in the center at
some point.} a6 {with Benko-esque ideas.} 9. Nge2 d5 10. O-O {As we move into
the middlegame, both players have developing to do on their respective
Queensides and it is here that the next phase of the battle will proceed.} e5
11. a3 axb5 {[%csl Gb5,Gc5,Gd5,Ge5]} 12. Bxb5 {[%csl Ga3] [#] White gains a
passed pawn on a3.} (12. axb4 $2 Rxa1 $19) 12... Bxc3 13. bxc3 (13. Nxc3 {
might be followed by something like:} Ba6 14. Qe2 Bxb5 15. Nxb5 Na6 16. a4 Nc7
17. Bd2 Nxb5 18. axb5 Rb8 19. Ba5 Qd7 20. b6 Qc6 $11) 13... Ba6 {The intruder
on b5 is challenged.} 14. Rb1 Qd6 15. c4 {[%CAl Rd1d6] White further
solidifies his outpost on b5.} d4 {White's situation on the flank looks good,
but Black's incursion in the center is beginning to take shape.} 16. Ng3 {
Preventing ...e4 which would pave the way for ...d3.} Nc6 {Black has a
potential passed pawn on the d-file but he wants to enable the c-pawn to
support it. For this reason the obstacle on c4 must be neutralized.} 17. a4 Na5
18. Qd3 {The Queen comes in to support c4.} Qe6 {[%CAl Ra5c4,Ra6c4,Re6c4] [#]}
19. exd4 cxd4 {Black chooses to support his d-passer from the e-file rather
than the c-file. This means that his two pawns can perhaps much more easily
roll forward together. On the other hand, he has given White a second passer
on the c-file to go with the first on a4.} (19... exd4 {was rejected as it
could have led to something like:} 20. Ba3 Qe5 21. Rfe1 Qc7 22. h3 Rf7 23. Ne4
Nxe4 24. Qxe4 Bb7 25. Qe5 Rc8 26. Be8 Rf6 27. Qxc7 Rxc7 28. Rb5 Nxc4 29. Rxc5
Rxc5 30. Bxc5 d3 31. Bh5 Bc6 32. Bd1 $16 {with White looking stronger.}) 20. c5
{A push to tie Black's resources down to blockading deep in his own realm.}
Rfc8 21. f4 $5 {Giving up the c-pawn. What does White want in return?} Rxc5 22.
Bxa6 {White's plan is to simplify.} ({Also possible was} 22. fxe5 Bxb5 23. axb5
Rxe5 24. Qxd4 $16 {[%csl Gb5] with White's passer on b5 the difference between
the two.}) 22... Qxa6 23. Qxa6 Rxa6 {[#] And now Kortschnoj can move with
tempi a couple of times.} 24. Ba3 Rd5 25. Nf5 {[%CAl Rf5e7]} Kf7 26. fxe5 Rxe5
27. Rb5 {White has a very dynamic style, often seeking intermediate ideas
before taking the material on offer.} Nc4 28. Rb7+ Ke6 29. Nxd4+ {Having
removed both of Black's central pawns White's future is looking promising.} Kd5
30. Nf3 {Attacking the Rook to give his Bishop time to escape.} Nxa3 $1 {
[#] Black decides to take two pieces for the Rook.} 31. Nxe5 Kxe5 32. Re7+ Kd4
33. Rxg7 {White helps himself to another pawn. Did he have time?} Nc4 34. Rf4+
Ne4 35. Rd7+ {[#] Now White is sensing danger and ignores the last of Black's
pawns.} Ke3 36. Rf3+ Ke2 {[#] Suddenly the Black King, with his two Knights in
close proximity, is looking like a monster.} 37. Rxh7 {White decides his King
is secure enough to warrant the elimination of the last Black pawn.} Ncd2 {
The sharks are circling now.} 38. Ra3 {White blocks the Black Rook's entry
into the attack on the a-file hoping this will be enough to prevent the threat
from growing.} Rc6 {No matter, the Black Rook is coming.} 39. Ra1 $4 {The
error that seals Black's fate. The King needed g2 to breathe.} (39. g3 {
and the position is even. The game might have continued:} Nf3+ 40. Kg2 Ne1+ 41.
Kh1 Rf6 42. Ra2+ Kf1 43. Rb7 Nf2+ 44. Rxf2+ Kxf2 45. a5 Ra6 $11) (39. g4 Nf3+
40. Kg2 Ne1+ 41. Kg1 Nf3+ 42. Kg2 Ne1+ 43. Kg1 $11) (39. h3 $4 {would not have
worked however:} Rc1+ 40. Kh2 Nf1+ 41. Kh1 Nfg3+ 42. Kh2 Rh1#) 39... Nf3+ $3 {
[#] Black's stunning continuation is unanswerable. White resigns as he sees
that his King is finished.} (39... Nf3+ 40. gxf3 (40. Kh1 Nf2#) 40... Rg6+ 41.
Kh1 Nf2#) 0-1