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Henrique Mecking vs Aivars Gipslis
Sousse Interzonal (1967), Sousse TUN, rd 13, Nov-01
Bogo-Indian Defense: Nimzowitsch Variation (E11)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
Jan-08-10  tjipa: Hey, this game deserves a kibitz! I have a kind of nostalgia for Mecking and players of this kind (like Capablanca). Besides, I am almost proud my countryman was on the receiving end of this, one that I once lost in a simul to. After a struggle! :)
Mar-26-10  newzild: Mecking was only 15 at the time - a fine performance.
Mar-26-10  wordfunph: fantastic fearless middlegame technique by Henrique! the c-pawn made the big difference. observe how Mecking made use of his advantage going into the endgame. see how Mecking occupied the critical d5 square.
Mar-23-11  ozmikey: Instructive game...showing how the Benoni structure without the fianchettoed bishop can be pretty lifeless for Black. A very well-played game by Mecking, even if none of his moves after about move 15 are all that hard to predict!
Oct-29-13  rwbean: According to the opening explorer, 6... c5 has only been played once, in this game. Other games continued 6... d6, 6... o-o, or 6... b6.

According to Stockfish ... Black had to try 15... ♘e5 or 16... ♘xe4.

Aug-30-20  King.Arthur.Brazil: Our Brazilian young master was lucky that tactics favored him, after 25. e5! because Black has no place for his ♘ at f6. Then, his counter attack with b5 is not enough to keep equality. After 30.bxc3, Black faced a bad situation: the White have a centered ♔ and ♖, a dangerous ♙ pressing the Black ♔ at f6, a passed ♙ in c6, defended by a ♗; while his own ♘ is pinned due to a ♖ at e8. Mecking found straightly the winning line. In the end, even 34...h5 35. ♖h7 e5 36. f7 ♖e6 37. c8=♕+ ♖xc8 38. ♖h8+ ♔xf7 39. ♖xc8... and Black is a ♖ down with no chances to recover. (Obviously this young genius is strong, but not as me, the king Arthur, of course...) lgs.
Aug-31-20  SChesshevsky: Evaluation exercise. Or whose better and why?

Position after 16...Rab8:


click for larger view

Can see white's probably better but the cg computer gave a surprising evaluation here. At least to me. Especially as the position looks fairly similar to what could be seen in a standard classical Modern Benoni.

How much better is white really?

Aug-31-20  Boomie: <SChesshevsky: Especially as the position looks fairly similar to what could be seen in a standard classical Modern Benoni.>

To play a Benoni without the dark square bishop is crazy. Perhaps that's why nobody else has played 6...c5.

Stockfish 10 gives white about a pawn advantage after 16. e4 Ne5. 16...Rab8 rates at about 2 pawns in white's favor. So 16...Rab8 can be considered a blunder.

Aug-31-20  vonKrolock: <21...Bd7> An interesting alternative here was 21...b4, for if 22.Nc6 Qb7 23.Nxb8 Qxb8


click for larger view

then, for instance: *< 1) +0.08 (35 ply) 24.e5 Bf5 25.Bd3 Bxd3 26.Qxd3 bxc3 27.exf6 Rxe1+ 28.Rxe1 Qxb2 29.f5 c2 30.Qd2 Nd7 31.fxg6 hxg6 32.Rc1 Qe5 33.Qxc2 Qe3+ 34.Kh1 Nxf6 35.Qc3 Nxd5 36.Qxe3 Nxe3 37.Kg1 Kf8 38.h3 f5 39.Kf2 Nd5 40.Rd1 Nc3 41.Ra1 Kf7 42.g4 fxg4 43.hxg4 Ke6 44.Kf3 Kd5 45.Re1 c4 46.g5 Na4 47.Rd1+ Ke5

2) =0.00 (34 ply) 24.Nb1 Rxe4 25.g3 Qa7 26.Bf3 Rxe1+ 27.Rxe1 Bf5 28.Qf2 Qa2 29.Nd2 Nxd5 30.g4 Bd3 31.Bxd5 Qxd5 32.Qf3 Qd4+ 33.Qe3 Qd5 34.Qf3

3) -0.08 (34 ply) 24.Nb5 Rxe4 25.Bd3 Rxe1+ 26.Rxe1 Nxd5 27.f5 Bxf5 28.Qd2 Bd7 29.Bc4 Bxb5 30.Bxd5 Bd7 31.Rf1 Be6 32.Rd1 Qd8 33.Bxe6 Nxe6 34.Qxd6 Qf6 35.Rd2 Qf5 36.Re2 Kg7 37.Qe5+ Qf6 38.Qe4 Qg5 39.Re1 Kh6 40.b3 Nd4 41.Qe7 Qxe7 42.Rxe7> (*Stockfish lines) White could possibly improve playing 23.Nb5 instead of taking the exchange immediately, but the sacrifice looks better than the actual sequence anyway. Was it went, White had a very comfortable game, and 24...Ne6 hastened the denouement. Excellent victory for the young South-American champion vs a Soviet representative.

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