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Vasily Smyslov vs Mikhail Botvinnik
Botvinnik - Smyslov World Championship Match (1954), Moscow URS, rd 15, Apr-17
Formation: King's Indian Attack (A07)  ·  0-1
ANALYSIS [x]

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Given 20 times; par: 54 [what's this?]

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Kibitzer's Corner
Nov-22-07  Cactus: Beauty of a game!
May-26-08  notyetagm: Black to play: 20 ... ?


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Here Botvinnik (Black) snatches a pawn in broad daylight with 20 ... ♘f5xh4!, using the tactic <DISCOVERED DEFLECTION>.

Position after 20 ... ♘f5xh4!


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<DISCOVERED DEFLECTION>: Use the masking piece (Black f5-knight) to exploit the <LOOSENESS> (White f4-knight) created by the unmasking of the rear line piece (Black f6-queen) by taking what the newly <OVERWORKED> defender (White g3-pawn) no longer defends (White h4-pawn, 20 ... ♘f5xh4!).

Botvinnik saw in the first position that without his Black f5-knight <BLOCKING> the f-file from the Black f6-queen to the White f4-knight, that the White f4-knight would be <LOOSE>, with two Black attackers (Black f6-queen and h6-bishop) versus two White defenders (White d2-queen and g3-pawn). Since there would be an equal number of Black attackers (2) as White defenders (2), these two White defenders would be automatically <OVERWORKED>, <<<meaning that some squares would only -appear- to be <DEFENDED> (--)>>>.

So, since the White g3-pawn would have to <DEFEND> the White f4-knight if the Black f5-knight were not <BLOCKING> the f-file, the White g3-pawn could not then -also- <DEFEND> the h4-pawn, hence 20 ... ♘f5xh4!.

<DISCOVERED ATTACKS> that make things <LOOSE> are dangerous, dangerous, dangerous!

Oct-22-08  Whitehat1963: Third black win in a row in this match. How often has that happened in the history of championship matches?
Aug-12-11  Ulhumbrus: The move 15 Bf2 is a sign that things have gone wrong for White, as White obstructs his own Rooks on the f file with his Queen's Bishop.
Sep-10-13  zydeco: The Closed Sicilian was not Smyslov's friend in this match. Spassky finds the key for white in this variation (in 1990!): 8.Bg5 with the idea of Bf6!

16.b4 might have been worth a try, to widen the playing field. Black already seems significantly better even before 20....Nxh4!

Sep-18-14  croatia92: 22.. Ke6 win R or Q. Did you see combination. Explain. Thanks
Sep-18-14  croatia92: 23.. Ne6 white
Jan-17-15  Markov47: <croatia92> As Botvinnik notes in his book <<Three Matches>> "... after 23... Bxe3! 24. Qxe3 Qxd5 White's position is hopeless".
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Featured in the Following Game Collections [what is this?]
World Championship Game #15
from WCC Index [Botvinnik-Smyslov 1954] by Suenteus Po
Game 201
from Pawn Structure Chess (Soltis) by Jersey Joe
Game 108
from GK's On My Great Predecessors Volume 2 Part 2 by Anatoly21
Game 19
from Big Book of World Chess Championships (Schulz) by Qindarka
My Great Predecessors by Garry Kasparov
by LionHeart40
Botvinnik vs World Champions Decisive Games Smyslov
from Botvinnik vs the World Champions Decisive Games by visayanbraindoctor
Mikhail Botvinnik's Best Games
by KingG
20 ... Nf5xh4! White g3-pawn suddenly has to defend f4-knight
from DISCOVERED DEFLECTIONS by notyetagm
Mikhail Botvinnik's Best Games
by dcruggeroli
My Great Predecessors by Garry Kasparov
by JoseTigranTalFischer
Game 108
from On My Great Predecessors 2 (Kasparov) by Incremental
Starting Out: Closed Sicilian - Richard Palliser
by SafeNorSound
Game 201
from Pawn Structure Chess (Soltis) by Qindarka
Sicillian Defense
by JoseTigranTalFischer
Match Smyslov!
by amadeus
1954 World Championship Game #15
from Road to the Championship - Vasily Smyslov by suenteus po 147
Botvinnik's best games
by HOTDOG
Game 98
from Das Schachgenie Botwinnik (Suetin) by Chessdreamer
Game 15, Botvinnik leads 8-7
from 1954 World Chess Championship by Penguincw
20 ... Nf5xh4! White g3-pawn must defend loose White f4-knight
from Defending one square is a full-time job by notyetagm
plus 19 more collections (not shown)


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