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Anatoly Karpov vs Ulf Andersson
Tilburg Interpolis (1980), Tilburg NED, rd 7, Sep-27
Queen's Indian Defense: Spassky System (E14)  ·  1-0

8
7
6
5
4
3
2
a
1
b
c
d
e
f
g
h
White to move.
ANALYSIS [x]
Notes by Stockfish 9 v010218 (minimum 6s/ply)12...h6 was played in Petrosian vs Short, 1978 (0-1)13.a3 was played in A Rombaldoni vs A Vuilleumier, 2015 (1-0) 15...Bd6 16.Re3 Rc7 17.Rh3 Ne4 18.Qh5 h6 19.Rc2 dxc4 = -0.07 (24 ply) ⩲ +1.07 (25 ply) 19.bxc4 dxc4 20.Nxc4 Bb4 21.Rf1 a5 22.Qb3 Bd5 23.Qd3 Qb8 ⩲ +1.04 (23 ply)= +0.27 (21 ply) after 19...Qd6 20.Ba5 Rc8 21.Qd2 Nf6 22.f3 Ba6 23.Rb1 Qe7 better is 20...Qf6 21.Qh5 g6 22.Qh3 Qf4 23.g3 Qf5 24.Qxf5 gxf5 = +0.42 (21 ply) ⩲ +1.00 (21 ply) 25.bxc4 dxc4 26.Qa3+ Qd6 27.Qxa7 Qd5 28.Nf3 f6 29.a4 Kg8 ⩲ +1.29 (25 ply)= +0.18 (24 ply)better is 27...Qe7 28.Qf4 Qd8 29.Rec1 Ba6 30.Ng4 Rb8 31.bxc4 Bxc4 = +0.25 (23 ply) ⩲ +0.89 (23 ply)better is 28...Qd8 29.Ng4 a4 30.Ne3 Bc6 31.f3 axb3 32.axb3 Bb5 = +0.47 (24 ply) 29.Ng4 Qd8 30.Ne3 Qc7 31.bxc4 Bxc4 32.Rb1 Qa7 33.Rcc1 ⩲ +1.13 (23 ply) 29...a4 30.bxc4 dxc4 31.Qd2 f6 32.Ng4 Bb7 33.Ne3 Bd5 = +0.35 (21 ply) 30.bxc4 Bxc4 31.a4 Re8 32.Rb1 f6 33.Ng4 Rb8 34.Rxb8+ ⩲ +1.20 (24 ply)= +0.30 (24 ply) after 30...Bb5 31.Qe1 Qb6 32.Qd2 Qd8 33.Ne5 Nf5 34.Rd1 Qc7 better is 34...Ba8 35.Nd7 Qc6 36.Nc5 Qb6 37.Rc3 Qc7 38.Re3 Bc6 = +0.25 (29 ply) 35.Nd7 axb3 36.axb3 Rd8 37.Ne5 Rc8 38.Qd2 Rc7 39.Nd3 Qc6 ⩲ +0.82 (28 ply)better is 35...Bc6 36.Ng6 Rd8 37.Ne7+ Kh7 38.Nxc6 Qxc6 39.g4 Qxa4 ⩱ -0.55 (27 ply)= 0.00 (28 ply) 37...c3 38.Rc2 Ba6 39.Rb3 f6 40.Qg4 fxe5 41.Qxe6+ Kh8 = 0.00 (28 ply)better is 38.Nxf7 Nxf7 39.Rb8 Rf8 40.Rxf8+ Kxf8 41.Qb8+ Qxb8 ± +1.82 (29 ply) ⩲ +1.30 (27 ply)better is 43.Qe3 Qa8 44.f3 Qa7 45.Qc3 Ra8 46.Ra1 Qa3 47.Qxa3 Rxa3 ⩲ +1.06 (23 ply)better is 43...Qa8 44.f3 Qa7 45.Kf1 Rc6 46.Rb2 Ra6 47.Rc3 Kg8 48.h4 ⩲ +0.52 (23 ply) ⩲ +1.10 (26 ply)better is 46.Qe2 Qe7 47.Qe5 Ra3 48.Qe3 Ra8 49.a3 Qf8 50.Kh2 Qe7 ⩲ +1.27 (25 ply) ⩲ +0.74 (24 ply) after 46...g5 47.Qe1 Kg6 48.Re3 Kh7 49.Ree2 Kg6 50.Qb4 Qxb4 better is 48.Kf2 Ra4 49.a3 Qh2 50.Rb6 Ra7 51.Qe5 Qh1 52.Rxe6 Bxe6 ⩲ +1.14 (28 ply) ⩲ +0.60 (25 ply) after 48...g5 49.a3 Ra4 50.Qe5 Qxe5 51.dxe5 f4 52.Rb8 Kg6 51...Ra4 52.Rcc1 g5 53.Rcb1 g4 54.hxg4 fxg4 55.fxg4 Qg7 ⩲ +0.87 (23 ply) ± +1.75 (27 ply) 58...Qa8 59.Kh2 Kh7 60.Kg1 Qd8 61.Raa1 Qa8 62.Kf2 Qa7 ⩲ +1.43 (27 ply)+- +2.78 (25 ply)81...Kg3 82.Rc8 Be4 83.Rg8+ Kh2 84.d5 Rb2+ 85.Kc3 Rc2+ +- +11.91 (21 ply)1-0

rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1
FEN COPIED

Annotations by Stockfish (Computer).      [35434 more games annotated by Stockfish]

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Kibitzer's Corner
Aug-24-10  Everett: Both 16.c5 and 38.Nxc4 deserve attention, yet Andersson remains the only player who seems to create fortresses out of any kind of material. I don't know if black makes any mistakes, but white certainly had to work for it.
Aug-24-10
Premium Chessgames Member
  Eric Schiller: Here they face off in 1984 in London:
http://www.facebook.com/album.php?a...
Aug-25-10  Everett: <Eric Schiller> If you have a photo that's accessible it would be much more helpful. Not everyone wants to be friends through facebook.
Aug-25-10  DoubtingThomas: Did Karpov play this line a lot? I can't immediately recall any other example. Funny, you'd have thought it suited Ulf more than it suited him.
Aug-25-10
Premium Chessgames Member
  Sastre: He only played it three times according to the chessgames.com database http://www.chessgames.com/perl/ches....
Aug-26-10  DoubtingThomas: Thanks, that's interesting.
Dec-27-13  bkpov: why not 68.Rb7..?
am i smart or just a dumbo?
Dec-28-13  micartouse: <bkpov> I bet he overlooked it. Maybe he saw 68 ... Rxa6 as a response and ruled it out as needlessly complicated, but that also seems good for white.
Dec-28-13  micartouse: On second thought, I don't think white overlooked it. It's too much of a candidate move for that. I think he just felt it wasn't necessary.
Jan-02-14  bkpov: i think 68.Rb7! is a killer move, paves the way for the central pawn to progress unchallenged.
May-24-18  siggemannen: Took me a while to figure out that 38...Nxc4 doesn't win the piece due to 39.Rb8 and Qb8 at some point forces win of the a8-bishop
May-24-18  Toribio3: Andersson is an end game expert. He stubbornly resigned only on move number 82 when his position was really hopeless!
Sep-08-19
Premium Chessgames Member
  gezafan: OK, why can't black play 17...Re8-e7?
Sep-08-19
Premium Chessgames Member
  Honza Cervenka: <gezafan: OK, why can't black play 17...Re8-e7?> After 18.dxc5 black position is quite bad.
Sep-09-19  SChesshevsky: <gezafan> Black does go for giving up the exchange but gets a decently deep protected passed pawn threat and some exchanges to get some room. Which cg computer gives as workable compensation. Yes, black can save the exchange by moving the rook to e7 but after 18. dxc5 it's white who looks to get the deep protected passed pawn and most of the play with black cramped. Black probably noticeably worse and might easily go downhill from there.
Sep-06-24
Premium Chessgames Member
  GrahamClayton: 38... Nxc4 allows Karpov to exploit Andersson's weaknesses on the back rank with 39. Rb8 Rxb8 40. Qxb8+ Qxb8 41. Rxb8+ Kh7 42. Rxa8.

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