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Vasily Smyslov vs Curt Hansen
Biel Interzonal (1993), Biel SUI, rd 8, Jul-24
Sicilian Defense: Paulsen Variation (B46)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Mar-06-20  Cheapo by the Dozen: The engine doesn't think that the game line is much better than just snapping up the exchange in the obvious way.
Mar-06-20  abuzic: 24.Nxf6+ gxf6 25.Qh5
Mar-06-20  Walter Glattke: 32.f4 is little advantage, 24.f4 is my move here.
Mar-06-20
Premium Chessgames Member
  An Englishman: Good Evening: Saw the game continuation, but thought that couldn't be right. In fact, still believe that 24.Bxa7 remains the better move. If the silicon monsters seem unimpressed with the game move, perhaps we need a replacement puzzle?
Mar-06-20
Premium Chessgames Member
  Willem Wallekers: The engine evaluated between +1 and +2 for all moves I tried.
Mar-06-20  malt: I prefer 24.B:a7,but after ...Q:a7
the Knight, looks stranded, and 25...Bc8

The POD suggest 24.R:g6
24...fg6 25.Qg4 Kf7 26.Bd3 g5

Mar-06-20
Premium Chessgames Member
  Knighthawkmiller: By move 17 black's major pieces are in a knot in a corner. An alternate move for white is 24. Nc5 which threatens Nxe6 with attacking potential on both wings. Smyslov chooses to create a passed pawn over winning the exchange. At what price could black prevent the loss of the critical pawn on e6? White pieces dominate the center and all black pieces are on the rim by move 26. Examples of many basic principles in one game.
Mar-06-20
Premium Chessgames Member
  chrisowen: Messiah?
Mar-06-20
Premium Chessgames Member
  woldsmandriffield: The difficulty level may reside in the line 24 Rxg6 fxg6 25 Qg4 Ra6 26 Nf6+
Mar-06-20  abuzic: <Willem Wallekers>: try 24.Nf6+ and see if the engine changes mind?
Mar-06-20
Premium Chessgames Member
  agb2002: Black threatens Ba6, undermining the position of the white knight.

White has Bxa7, Qe3, Nf6+, Rxg6 and f4.

Since Qe3 and f4 are met with Ba6, Bxa7 leaves the knight trapped (24.Bxa7 Qxa7 25.Qe3 d4) and Nf6+ is not completely convincing, only Rxg6 remains. However, I can't see a clear win after 24.Rxg6 fxg6 25.Qg4 Ba6 (both 25... Kf7 26.Nb6 Qb8 27.Bd3 and 25... Re8 26.Nf6+ gxf6 27.Qxg6+ Kf8 28.exf6 look winning) 26.Qxe6+ Kh8.

Mar-06-20
Premium Chessgames Member
  Breunor: Computer rates 24 Ng6 at 2.66 and the text at 1.96.

After Ng6, white plays Bd3, h4, and Qg4 to overwhelm the knight on g6.

Mar-06-20  cormier: ths <RV> !
Mar-07-20  RandomVisitor: After 23...Qa8 here are 6 good moves to play:


click for larger view

Stockfish_20021515_x64_modern:

<57/88 14:21:56 +9.07 24.Nf6+> Kf8 25.Qe3 Ba6 26.Bxa7 Bxb5 27.Bc5+ Bxc5 28.Qxc5+ Ne7 29.Qxb5 Qa7 30.Nh5 Ng6 31.Rc1 Kg8 32.Qc5 Qxc5 33.Rxc5 Kf8 34.f4 d4 35.Rd3 Ne7 36.Kf2 g5 37.Kf3 gxf4 38.Nxf4 Nf5 39.Rc7 Ne7 40.Ke4 a4 41.b4 Rb8 42.a3 Ke8 43.Nh5 Kd8 44.Rc5 Nd5 45.Nf6 Ke7 46.Rxd5 exd5+ 47.Nxd5+ Ke6 48.Rxd4 Kd7 49.Ne3+ Kc7 50.Rd6 Kb7 51.Kd5 Rc8 52.b5 Rc3 53.Nc4 Rb3 54.Rb6+ Ka7 55.Ra6+ Kb7 56.Nd6+ Kc7 57.b6+ Rxb6 58.Rxb6 Kxb6 59.Nxf7 Kc7 60.Nxh6

57/88 14:21:56 +7.25 24.b4 Bc6 25.Bxc6 Qxc6 26.Nf6+ gxf6 27.exf6 Bxb4 28.Qh5 Qc2 29.Qxh6 Bf8 30.Qh5 Qf5 31.Qxf5 exf5 32.Bxa7 Bh6 33.Rd1 f4 34.Rb3 Kh7 35.Bb6 Rc8 36.Bxa5 Ne5 37.a4 Nd7 38.Be1 d4 39.Rb7 Ne5 40.a5 Kg6 41.a6 Ra8 42.a7 Nc6 43.Ra1 f3 44.Ra6 Nxa7 45.Raxa7 Rc8 46.Rc7 Rb8 47.Rab7 Ra8 48.Rb1 Ra6 49.gxf3 Rxf6 50.Kg2 Rf5 51.Rbb7 Rg5+ 52.Kf1 Rf5 53.Rc4 Rxf3 54.Rxd4 f6 55.Kg2 Rf5 56.Rg4+ Rg5 57.Rxg5+ Bxg5 58.Bb4

57/88 14:21:56 +4.81 24.Nb6 Qb8 25.Nd7 Rxd7 26.Bxd7 Ba6 27.Bxa7 Qxa7 28.Bb5 Bxb5 29.Qxb5 Nxe5 30.Rc3 Ng6 31.Rc8+ Kh7 32.g3 Ne5 33.Kg2 Bb4 34.h3 Ng6 35.Rfc1 Qd4 36.Qe2 Ne7 37.Re8 Qf6 38.Rc7 e5 39.Rd7 g6 40.Rexe7 Bxe7 41.Rxd5 Bb4 42.Qxe5 Qxe5 43.Rxe5 Kg7 44.Kf3 Kf6 45.Rb5 h5 46.Rb7 Bc5 47.Rc7 Bb4 48.Rc6+ Ke7 49.Rb6 Kd7 50.Ra6 Ke7 51.Kg2 Kd7 52.Ra7+ Ke6 53.Rc7 g5 54.Kf3 f6 55.Rc6+ Ke5

57/100 14:21:56 +3.31 24.Bxa7 Qxa7 25.h4 Kh8 26.Qg4 Rg8 27.Qa4 Bb2 28.Rf3 d4 29.Rxf7 Nxh4 30.f3 Qa8 31.Qc4 Qe8 32.Rf4 Qe7 33.Qc2 Ba3 34.Nf6 d3 35.Bxd3 Rc8 36.Rc4 Rxc4 37.Qxc4 Nxf3+ 38.gxf3 gxf6 39.Qh4 Qg7+ 40.Kh2 Qg5 41.Qxg5 fxg5 42.Kg3 Kg7 43.Bc4 Kf7 44.f4 Ke7 45.fxg5 hxg5 46.Rf6 Bc8 47.Rg6 Bc1 48.Rg7+ Kd8 49.Kf3 Bb2 50.Rxg5 Bd7 51.Ke4 Bc6+ 52.Kd3 Bd7 53.Rg2 Bxe5 54.Rg5 Bf4 55.Rxa5 e5 56.Kc3 Kc7 57.Ra7+ Kc6 58.Bd3 Kd6

56/77 14:21:56 +3.16 24.h4 Rxd7 25.Bxa7 Bc6 26.Bb6 Bxb5 27.Qxb5 Qb7 28.h5 Nf4 29.Rf3 Nxh5 30.Qa4 Bb4 31.a3 Be7 32.Bxa5 g5 33.Bd2 Ng7 34.g4 d4 35.Rd3 Qe4 36.Rg3 Rd8 37.Qb5 Bxa3 38.Re1 Qc2 39.Qb6 Rc8 40.Qxd4 Bb2 41.Qd7 Qc7 42.Qxc7 Rxc7 43.b4 Ne8 44.b5 Rb7 45.Rb3 Bd4 46.Rd3 Bb6 47.Rc1 Nc7 48.Rd7 Rb8 49.Rcxc7 Bxc7 50.Rxc7 Rxb5 51.Kf1 Rb2 52.Ke2 Kg7 53.f3 Ra2 54.Rc4 Kh7 55.Rc8 Kg7 56.Kd3

<56/86 14:21:56 +2.83 24.Rxg6 fxg6 25.Qg4 Ba6 26.Qxe6+ Kh8> 27.Bxa6 Rxa6 28.Qf7 Rxd7 29.Qxd7 Qc6 30.e6 Qxd7 31.exd7 Rd6 32.Bb6 Rxd7 33.Bxa5 Ra7 34.b4 Re7 35.Rb1 Re2 36.b5 Rxa2 37.Be1 Bd6 38.b6 Ra8 39.b7 Rb8 40.f3 d4 41.Bf2 d3 42.Ba7 Rd8 43.Kf2 d2 44.Be3 Bb8 45.Ke2 g5 46.Bxd2 Re8+ 47.Be3 Bxh2 48.Rc1 Kh7 49.Rc8 Re7 50.b8R Bxb8 51.Rxb8 Rd7 52.Rc8 Kg6 53.Rc4 Kf7 54.Re4 Rb7 55.Rd4 Ke6 56.Bd2 Rb3 57.Rc4 Rb7 58.Bc3 Rd7 59.g3 Kf5 60.Rc8 Kg6

Mar-07-20  tigreton: This game was created to be played between human beings, so it makes no sense to discuss which line is considered best by computers. From a human point of view Smyslov's attack was unstoppable.
Mar-07-20
Premium Chessgames Member
  perfidious: <RandomVisitor: After 23...Qa8 here are 6 good moves to play....>

Embarras de richesse.

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