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Robert James Fischer vs Jovan Sofrevski
Skopje (1967), Skopje YUG, rd 17, Aug-30
Sicilian Defense: Fischer-Sozin Attack. Leonhardt Variation (B88)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Jan-10-03  bishop: Black allowed the wrecking of his Kingside to save his d-Pawn, only to have to give the Pawn up anyway after the unexpected 15.Nd5! This sacrifice could not be excepted as White would of course recapture with the Rook, gaining a tempo attacking the Queen, and then swing over to the right to deal a fatal blow to the Black monarch.
May-04-05  sfm: Maybe 10.-,Sxd4 is a mistake, allowing the strong positining of the bishop? And surely 12.-,Rad8 is not the best, as white's next move is a show-stopper on the queen's wing where black must get something going rapidly. As we have seen the game is gone after 14.-,gxf6 but it was not too easy already. Nice and precise by Fischer
Mar-20-06  zev22407: Geller played 12)...Bc6 against Fischer.Fischer missed a win and lost to geller.
Feb-17-08  xrt999: <zev22407:>

very perceptive of you! The games have identical positions at move 12.

This game was played in round 17, Skopje 1967, and the Geller game was played earlier in round 2 of the same tournament.

The similarities end at move 12, however, when Geller unleashes his attack, then goes on to annihilate Fischer in 23 moves.

Mar-22-12  optimal play: <sfm><Maybe 10.-,Sxd4 is a mistake> Nothing wrong with 10...Nxd4 as evidenced by Fischer vs Geller, 1967 played earlier in this tournament. <And surely 12.-,Rad8 is not the best, as white's next move is a show-stopper> I agree with that.

<zev22407><Geller played 12)...Bc6 against Fischer> Therefore Sofrevski must have had some kind of a plan in mind by playing this same line, since he obviously couldn't just play the same moves as Geller because Fischer undoubtedly would not make the same mistake at move 20 again, so he deviated with 12...Rad8? which Geller didn’t play until after 12...Bc6 13.f4 and then 13...Rad8.

I don't know what Sofrevski had in mind but I bet it was nothing like what followed!

<xrt999><This game was played in round 17, Skopje 1967, and the Geller game was played earlier in round 2 of the same tournament.> There was a lot riding on this game because Fischer went into this last round with only a half-point lead ahead of both Geller and Matulovic, both of whom also won their last round games.

It must have been very satisfying for Bobby to win this last crucial game, and therefore the tournament, in such emphatic style.

Mar-22-12  qqdos: <xrt999> see the comprehensive analysis by DrMal of the Fischer vs Geller game. Geller had a losing position at move 19 and would not have won if Bobby had found the notorious "problem" move 20.Qf4!! That game is an enduring, if flawed, masterpiece and I don't wish to detract in any way from Geller's resilient and cunning play after White's 20.a3?? mistake.
Mar-22-12
Premium Chessgames Member
  Penguincw: If 15...exd5 16.exd5 Rfe8, then what? White doesn't have much of an attack.


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Mar-22-12  RookFile: 16. exd5? I think not. It turns white's bishop into a worthless piece. 16. Rxd5 gets a free tempo by hitting the queen, and sets up ideas like Qh6 and Rh5. Looks like black will get butchered in short order.


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Feb-13-17  Rat1960: 16. Rd5 Qa6 17. Rh5 Bg4 18. Qg3 Qe2
White get the piece back, wins the h-pawn but it is not quite mating if black king runs via f8.
Apr-22-21
Premium Chessgames Member
  kingscrusher: It is amazing how precise the implementation move order needs to be here after 15.Nd5

On 15...exd5 16.Rxd5 and let's say Qa6

White must in fact use 17.Rh5 first - and not 17.Qh6

Rather amazing difference because of Black's Bc6 and Bxe4 resource:

144: Robert James Fischer - Jovan Sofrevski 1-0 17.0, Skopje Skopje YUG 1967


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Analysis by Stockfish 13:

1. +- (6.55): 17.Rh5 Bg4 18.Qg3 Qe2 19.Bc4 Qxe4 20.Bd3 Qf4 21.Bxh7+ Kg7 22.Qxf4 Bxh5 23.Bd3 d5 24.Qg3+ Bg6 25.h4 Rh8 26.h5 Rh6 27.Rh3 Re8 28.a3 Reh8 29.hxg6 Rxg6 30.Bxg6 Rxh3 31.Qxh3 fxg6 32.Qd7 Kf8 33.Qxa7 Bc5 34.f3 d4 35.Qh7 g5 36.Qd7 d3 37.Qxd3

2. = (-0.04): 17.Qh6 Bc6 18.Rd3 Kh8 19.Rh3 Bxe4 20.Re1 Bg6 21.Rhe3 Rfe8 22.a3 Qb7 23.f4 Qd7 24.f5 Bf8 25.Rxe8 Rxe8 26.Rxe8 Qxe8 27.Qh3 Qd7 28.g4 Kg7 29.fxg6 hxg6 30.Qf3 d5 31.Bxd5 f5 32.gxf5 Qxf5 33.Qxf5 gxf5 34.b3 Bd6 White is clearly winning

(Gavriel, 22.04.2021)

I guess the principle here is you have to be very concerned about implementation move orders in Chess especially after a piece sacrifice - the defensive resources are all there waiting to defend your attack :)

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