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Paul Keres vs Lajos Portisch
"Alms for the Portisch" (game of the day Oct-07-08)
Moscow (1967)  ·  Spanish Game: Closed Variations. Smyslov Defense (C93)  ·  0-1
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find similar games 8 more Keres/Portisch games
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Kibitzer's Corner
Oct-04-03  Ghengis Pawn II: "Workin on our night moves"
Oct-04-03  Winsome: IT was a lackluster game for Keres to say the least. Wonder what his comments were after the game?
Mar-13-04
Premium Chessgames Member
  acirce: The positional draw after 47. - Nxb2? 48. Nxb2 Bxb2 49. Kd2 Bxa3 50. Kc2 is quite extraordinary. Great game by both players.
Oct-07-08  ToTheDeath: 70.Nc6 followed by Na7 =.
Oct-07-08
Premium Chessgames Member
  al wazir: Doesn't the more obvious 89...Kxd7 also win ? 90. Kc5 Nb2 91. Kxb5 Kd6.
Oct-07-08
Premium Chessgames Member
  dzechiel: <al wazir: Doesn't the more obvious 89...Kxd7 also win ? 90. Kc5 Nb2 91. Kxb5 Kd6.>

You analysis looks sound to me. Perhaps Lajos just wanted to show off.

Oct-07-08  jovack: I think it is worth mentioning that at move 47 there's an interesting situation.

I very badly wanted to play Nxb2 for black, and I thought white made an error in playing a "good" move, instead of the "best".

When I played it out, both kings are completely locked out from each other, without any minor pieces to cause any damage, no progress is possible for either side without losing the game. If white did not have his g pawn, who knows what could have happened, but as it stands, black was correct in realizing that the pawns had the middle completely covered and locked.

Oct-07-08  TheaN: <al wazir: Doesn't the more obvious 89...Kxd7 also win ? 90. Kc5 Nb2 91. Kxb5 Kd6.>

<dzechiel: your analysis looks sound to me. Perhaps Lajos just wanted to show off.>

Show off indeed. 89....Kxd7 90.Kc5 Nxc3 is even possible, winning Pc3 and Nd7.

Analysis by Fritz 11:

1. (-29.49): 89...Kxd7 90.Ke4 Nxc3+ 91.Ke3 Nb1 92.Kd4 Kd6 93.Ke3 Nxa3 94.Ke2 b4 95.Kd2 Kc6 96.Kc1 c3 97.Kd1 b3 98.Ke2 b2 99.Ke3 b1Q 100.Kf3 c2 101.Kg3 Qb3+ 102.Kf4 c1Q+

2. (-4.46): 89...Nxc3 90.Nf6 Nb1 91.Ne4+ Kc6 92.Nf6 Nxa3 93.Kc3 Kc5 94.Nd7+ Kd5 95.Nf6+ Kc6 96.Ne4 Nb1+ 97.Kc2 Kd5 98.Nf6+ Kd4 99.Kxb1 b4 100.Ne8 c3 101.Nd6 b3 102.Kc1 Kd5

3. (-0.58): 89...Ne3 90.Kxe3 Kxd7 91.Ke4 Kc6 92.Kd4 Kb6 93.Ke4 Kb7 94.Kd4 Kc6 95.Ke4 Kc7 96.Kd4 Kd6 97.Ke4 Kc6

Still analyzing, but clear enough I'd say.

Oct-07-08  Marmot PFL: The brain doesn't always work so good after move 80.
Oct-07-08
Premium Chessgames Member
  kevin86: How sad is it to play so well for 80 moves and then to die out at the end.
Oct-07-08  Ezzy: This game was from the 1967 Moscow supertournament won by the late great Leonid Stein. There were 4 world champions in the strong 18 man field, Tal, Petrosian, Smyslov and Spassky.
Oct-07-08  AnalyzeThis: It's hard to believe that Keres lost this, for the longest time he was the one who dominated the only open d file.
Oct-07-08
Premium Chessgames Member
  Sneaky: <a lackluster game for Keres to say the least. Wonder what his comments were after the game?> I think his comments were, "Leave me alone."
Oct-08-08  drukenknight: the endgame is analyzed in Dvoretsky's endgame book, pretty much jovack's comments from 10/7 are the point of Dvoretsky. It's one of my books somewhere. I'll try to find it...
Jan-17-10
Premium Chessgames Member
  Fusilli: <<acirce> The positional draw after 47. - Nxb2? 48. Nxb2 Bxb2 49. Kd2 Bxa3 50. Kc2 is quite extraordinary.>

Indeed, and it deserves a diagram:


click for larger view

If Black trades the B for the N, his King gets cut out of the battle, and he cannot win. White's King can stop both passed pawns. (Black's King move to c5 would be answered with Na6+ and then back to b4, BTW.)

<<al wazir> Doesn't the more obvious 89...Kxd7 also win?> This and other comments about 89...Kxd7 do not apply anymore. I guess there was an error in the score when those comments were posted.

<<AnalyzeThis>: It's hard to believe that Keres lost this, for the longest time he was the one who dominated the only open d file.> True. When the rooks were still on the board, White looked better. Keres was by nature an attacking player, and Portisch a positional one (and a solid defender). Portisch style was more suitable for the endgame that ensued after trading all rooks.

This database shows that 9...h6 was a popular line in the sixties and seventies (thanks CG for the Opening Explorer position search feature!). It's rarely seen today. The purpose seems to play Re8 without being concerned about Ng5, but there are more active moves available. Most players' choice continue to be Chigorin's 9...Na5 (101 games from 2009 in this database). Second comes the Breyer system, 9...Nb8 (63 games from 2009 in this database).

Dec-07-12  vinidivici: <acirce The positional draw after 47. - Nxb2? 48. Nxb2 Bxb2 49. Kd2 Bxa3 50. Kc2 is quite extraordinary.>

47...Nc5 is a clever move by black. And followed by 48...g5! that finally broke the white fortress. Its a masterpiece of ending by black.

47...Nxb2 48.Nxb2 Bxb2 49.Kd2 Bxa3 50.Kc2 Bxb4 51.cxb4 a3 ...draw, black king cannot penetrate

47...Bxb2 48.Nxb2 Nxb2 49.Kd2 Kc5 50.Kc2 Nd3 51.Nxd3+ cxd3+ 52.Kxd3 is an obvious draw.

So Portisch recognized this drawish trap and done the 47...Nc5 to avoid those lines.

Dec-08-12  beatgiant: <al wazir>,<dzechiel>,<TheaN>:

How is 89...Kxd7 winning the knight on d7 even possible? The knight is on f6 at that moment. Has the game score been corrected since those comments in 2008?

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