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Bent Larsen vs Lajos Portisch
Amsterdam Interzonal (1964), Amsterdam NED, rd 15, Jun-08
French Defense: Winawer. Delayed Exchange Variation (C01)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
Jan-19-05  nizzechess: Poor Portisch - run over by a train!
Apr-13-05
Premium Chessgames Member
  perfidious: 5....Qe7+ put this line out of business many years ago.
May-03-07  micartouse: Larsen's attack completely baffled me. I couldn't find many of his moves.
Aug-21-12  csmath: Beautiful game "whose attack is faster" but not exactly accurate.

Portisch could have fought a lot harder while Larsen missed forced easy win with quiet

21. Bc5

with all the same motives with added threat of d5 in some variations. Larsen played 21. Qf4?! but Portisch got lost in continuation and did not play the strongest moves.

Aug-21-12  DanielBryant: 15...Bxa3 doesn't work because after 16.bxa3 Qxa3+ 17.Kd2 b4 18.Ra1 bxc3+ 19.Nxc3, White's queen cannot escape.
Aug-22-12  DanielBryant: Er, make that Black's queen.
Feb-27-13  pjanda: What should we be afraid of, when we play French Defense, 5. Hf3. Better is 5 ... He7+ (from M. Shereshevsky)
Apr-13-14
Premium Chessgames Member
  zydeco: <DanielBryant> Except that after 19.Nxc3 black's queen can go to b4. Then 20.Ra4 Qb7 21.Rxc4 Nd5 and it's a chaotic position but white's king is much more exposed.

After Portisch backs out with 16....Qd8 the game becomes a massacre.

If 27.....Qd7 28.Rxe7+ Kxe7 29.Re1+ Kd8 30.Qf6+ or 29....Kf8 30.Qf6+ Qf7 31.Qd8+

If 29....Rxb8 30.d6 Rb7 31.Nd5

If 31.....Qxc6 32.dxc6 Ra7 33.Nd5 Rf7 34.c7

If 32....Rxe7 33.Rxe7+ Kxe7 34.Re1 Kd8 35.Qf6+ Kc7 36.Re7

Larsen's sequence 23.Bb8 24.Qe5 25.g5 is a very pretty way to take control of all the dark squares in black's position.

This was not a good game for black's light-squared bishop.

Nov-02-17  mulde: Ironically, it was Larsen who was totally outplayed himself by Fischer's black-squared strategy using the French. 6-0 in Denver ... Well, now both of them are dead. Times they are a changin'.
Nov-03-17  Howard: Nit-picky point, but White's last move is NOT a checking move.
Nov-03-17  sneaky pete: Nit-pickier still, it IS a checking move.
Nov-07-17  Howard: Aaaaaaargh !!!!

You're right---I was WRONG.

Nov-07-17  jinkinson: <zydeco> It looks like after 19. Nxc3 Qb4 20. Rhb1! Black's queen is actually trapped.
May-26-19  scholes: this game features in mathew sadler alphazero book as example of using h pawn to attack
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