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David Bronstein vs Oscar Panno
Petropolis Interzonal (1973), Petropolis BRA, rd 13, Aug-11
Spanish Game: Berlin Defense (C65)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Oct-18-02  refutor: From the tournament book by Wade

When asked if he would annotate the game, Bronstein replied "But it is impossible! You cannot make notes to such a game. You could make a whole book! It is not science; it is not mathematics; it is a chess gmae; we were playing chess. Neither of us knew what the next move was going to be. I cannot even tell you if I was winning. Such a game is played in the air."

What a game

Oct-19-02  Danilomagalhaes: 105 moves!! But for me, black is lost after the 51th move...
Oct-19-02  Danilomagalhaes: If black plays right after the 51th move, he could win, but it would be hard
Feb-12-06
Premium Chessgames Member
  Phony Benoni: I would put this up there with the Emanuel Lasker--Edward Lasker game from New York, 1924, as the greatest games lasting at least 100 moves.

Panno seemed to be on the wrong end of a lot of strange games.

Dec-08-06
Premium Chessgames Member
  Gypsy: <Danilomagalhaes: 105 moves!! But for me, black is lost after the 51th move... > At Bronstein's offer, the game was played at one sitting (13 hours). Bronstein felt that he had a difficult win, but a win nonetheless. And he felt that adjourning the game and then finding the key to the position in an analysis would have been plain unsporting.
Dec-09-06  Fisheremon: <Danilomagalhaes: 105 moves!! But for me, black is lost after the 51th move...> From 52nd move Panno made a wrong plan, so the first insignificant mistake was 52...Raa8 (52...Rd7 gives ) and 54...Rc8 was a blunder (better 52...Qd7).
Oct-18-07  sanyas: Wow.... Just, Wow. WOWWWW. Ohhhkay. Whew. Whooah. This, now this is a chess game.
Oct-18-07
Premium Chessgames Member
  keypusher: <Gypsy: <Danilomagalhaes: 105 moves!! But for me, black is lost after the 51th move... > At Bronstein's offer, the game was played at one sitting (13 hours). Bronstein felt that he had a difficult win, but a win nonetheless. And he felt that adjourning the game and then finding the key to the position in an analysis would have been plain unsporting.>

Wow. Only Bronstein would do such a thing. Great story to go with a great game.

Oct-18-07
Premium Chessgames Member
  fm avari viraf: A great battle of wits & endurance. But in the end,it was my friend David who came out victorious knocking down [ Biblical Goliath ] Panno.
Mar-21-13
Premium Chessgames Member
  FSR: <refutor: From the tournament book by Wade

When asked if he would annotate the game, Bronstein replied "But it is impossible! You cannot make notes to such a game. You could make a whole book! It is not science; it is not mathematics; it is a chess game; we were playing chess. Neither of us knew what the next move was going to be. I cannot even tell you if I was winning. Such a game is played in the air.">

I read this too, then was surprised to see that Bronstein <did> annotate the game in <Chess Informant>.

Jul-05-13
Premium Chessgames Member
  Chessical: Bronstein plays sharply in the resumption. <48.Bxa6!?> which further opens up his K position in the face of both of Panno's rooks needed very accurate calculation to determine whether the passed <b> pawn would be sufficient compensation for the precarious shelter now left for his King. The whole game from now on demands exact calculation from both players as Bronstein's <b> pawn edges forward.

<54...Rc8?> allows Bronstein to place a Rook on <c6> and recover an attacking initiative. <54...Qd7> would have been better.

Panno's <55...Kh6> avoids the loss of a Knight for a pawn after <55..Rd8> 56.b7 Bxb7 57.Qxb7 Ra7

<57.Nc6> appears very strong at first, but Black surprisingly can hold the position,

57...Qf7 58. Nxe5 Qe8 59. Rxf6 (59. Rc6 Re2) 59... Qxe5 60. Qd4 Qxd4 61. exd4 Bb5; instead <57.b7!> appears to win as Black's N and B cannot be simultaneously defended

<57.b7> 58.Rf1! Ng8 59. Rg1 Nf6 60.Nxb7

However, Black has a desparado line in this variation which would require nerves of steel for White to accept

<58...Bxd5!?> 59. exd5 Nxd5 60.Rxd5 Ra2+! 61.Kb3 Rb8 62.Qxb8 Qa3+


click for larger view

and White's King will escape to the K-side and victory.

<61.Rc7!?> the Rook does not have to leave the 6th rank <61.Nc5> Panno remains, however, the brink of defeat. He will not be able to stop the <b> pawn queening, and he will have a Bishop, Knight and two pawns for his own Queen. Fortunately for Panno, Bronstein then blunders away much of his advantage with <71.e4?>. <71.Rxg4> is a straightforward win. As the game goes the question is whether White now can to break through his opponent's shield of pieces.

<101....Re8?> allows White to finally penetrate Black's defences, <101...Bf5> would have maintained a desperate defence.

This game lasted over twelve hours.

Jul-05-13
Premium Chessgames Member
  Chessical: This is a great battle involving a pawn queened in front of Bronstein's King, and a long and desperate defence by pieces against a Queen without pawn support.

White emerges from the opening with a small advantage in space. Black's position is cramped but solid and Panno needs to manoeuvre carefully to ensure that he is not reduced to passivity. <14...b5> is probably preferable to <14...g6>

Bronstein's 19th move 0-0-0 shows that he intends to play actively to win. There are dangers to going to the Q-side where Black already has the <c> file occupied with a Rook can play a5 to losen the pawn structure around White's King.

<25... a5!?> to sacrifice a pawn to weaken White's King's position is interesting and appears to give the initiative to Black <26. bxa5> Na6 27. Na2 Qc7 28. Nb4 Qc3+ 29.Ka2 Nxb4 30.axb4 Qxb4 31.Bxd2 Qxe4


click for larger view

Panno's actual move gives Bronstein has an easier game. It also was more accurate to play on his 26th move Nb6 and then White could not play 28.Qa6

<31...h5> is risky but Panno is in danger of going completely on the defensive. His Q-side opportunities of a few moves ago are gone, and Bronstein has the happy prospect of active play on both wings.

Towards the time control, Bronstein maybe under time pressure plays less incisively. <38.Rc6!> is very strong and probably winning. It is not even an exchange sac as Black has no room to manoeuvre to avoid returning the exchange. White is left with a mighty passed pawn on <c6>

<38. Rc6!> Bxc6? 39. dxc6 Rc7 40. Nxc7 Qxc7 41. b5; in this line Black has the clever intermezzo <38....Nxd5> intending to win back the Nb5, but after <39.Bxd5 Rxb5 40.Rxd6 White is winning.

By move 40, Bronstein has dissipated his advantage with Nc3, Ka2 and Nf3. Occupying the <g> file with a Rook would have been simple and strong, instead Bronstein has to give up his <h> pawn to avoid a three-fold repetition. The resulting position is balanced, Bronstein has greater room for manoeuvre but Panno is now a pawn up.

Feb-14-14  Everett: < Bronstein felt that he had a difficult win, but a win nonetheless. And he felt that adjourning the game and then finding the key to the position in an analysis would have been plain unsporting.>

The second half of this is Bronstein's love of playing, and hatred of homework. He was ever an OTB player.

Dec-29-14
Premium Chessgames Member
  perfidious: Had forgotten that this game was played in one go--unbelievable.
Dec-29-14  Andrijadj: Boring Berlin :)
Dec-29-14
Premium Chessgames Member
  perfidious: <Andrijadj: Boring Berlin :) >

Very definitely.

Sep-05-15  Everett: Thank you very much <Chessical>!
Sep-05-15  Howard: Wait a minute! This whole game was played in one session?!

Remind me to look at the tournament book, which I have at home.

Feb-03-19
Premium Chessgames Member
  woldsmandriffield: The first thing to say about this game is Bronstein's extraordinary decision to play 19 o-o-o!!? with the idea Kb2. Totally insane and defying analysis.
Feb-03-19
Premium Chessgames Member
  woldsmandriffield: The game was adjourned around move 40. On resumption, Bronstein brought a plan to try and win the game on the Q-side with the manoeuvre Bc2-Nb3-Qa5. Again, very eccentric: most players would surely go for the plan of f3, Rcg1 and attack on the opposite side of the board.
Feb-03-19
Premium Chessgames Member
  woldsmandriffield: Panno's 54..Rc8? hands back a big advantage to Bronstein: it takes away the x-ray on the Qb4 and allows Rc6-xd6.

By move 70 the game looks over because there is no fortress after 71 Rxg4 hxg4 72 Qxe6 while the interposing check 71..Rd6+ 72 Kb7 hxg4 loses to 73 Qh8= followed by Qxe5= picking up the Rook.

Bronstein may have been worried about a fork: 71 Rxg4 Rd6+ 72 Kb7 Rd7+ but 73 Kc6 Rc7+ 74 Kb6 dances away with an easy win.

Feb-03-19
Premium Chessgames Member
  woldsmandriffield: We end up with Q + R vs R + minor pieces but before we get there Panno goes for the cheapo 72..Ra6+? instead of the stronger and correct 72..Rd8.

The ending is terrific: Bronstein bringing his King up the board as an attacking piece! In the final position, there is no good way to prevent Qg7+ and so Panno resigned.

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