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Garry Kasparov vs Viktor Korchnoi
Credit Suisse Masters (1995), Horgen SUI, rd 8, Oct-29
Semi-Slav Defense: Anti-Moscow Gambit (D44)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Given 35 times; par: 32 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Oct-05-13  talisman: simple this simple that.... Korchnoi wadn't HAPPY!....and I mean wadn't.
Oct-05-13  RookFile: Korchnoi neglected development in this game and got punished.
Oct-01-15
Premium Chessgames Member
  Phony Benoni: 25.Bxf5 seems the obvious start, and the question becomes the best follow-up after 25...exf5. I'm betting on 26.Rf6, nailing the king down and threatening 27.Qxh6#. Since 26...Rh8 27.Qg6# is not a sufficient defense, that seems to leave 26...Kh8 27.Rh6+ followed by a queen snaffle with material and positional edge.

Of course Korchnoi finds a better defense, not as if Kasparov cares. He just makes it a double bishop sacrifice.

Oct-01-15  sotto voce meo: <notyetagm> Which World Champion is reputed to have said " Even a Pawn is worth a bit of trouble "
Oct-01-15
Premium Chessgames Member
  al wazir: I didn't see the continuation after 25. Bxf5. I still don't. Where's the win after 25...Qe8 ?
Oct-01-15  patfoley: After 25 ... Qe8, 26 Qh3 followed by the win of the e6 pawn or a reinvasion by Q and R.
Oct-01-15  M.Hassan: White is a pawn down.

25.Bxf5
A) 25.........exf5
26.Rg6+ Kf7
27.Rf6++ Kg7
28.Qxh6#

B) 25.........Qf7
26.Qxf7+ Kxf7
27.Bxe6+ Bxe6
28.Rxb7+ Kf8
29.Rxe6
Black has 3 disconnected pawns and White has 5 superb pawns.

Oct-01-15  stst: see if
25.Bxf5 hits the chord, for after that Black has no good continuation....exf5 obviously leads to 26.Qg6+ etc
Oct-01-15
Premium Chessgames Member
  al wazir: <patfoley: After 25 ... Qe8, 26 Qh3 followed by the win of the e6 pawn or a reinvasion by Q and R.> Yes, that works. If 26...exf5, then black loses quickly: 27. Qxh6+ Kf7 28. Qf6#. 26. Kf7 probably is black's best try, but that loses slowly

Thanks.

Oct-01-15
Premium Chessgames Member
  agb2002: White is one pawn down.

The rook on d6 x-rays the pawn on h6. Hence, 25.Bxf5:

A) 25... exf5 26.Rg6+

A.1) 26... Kf7 27.Rf6+ Kg7 28.Qxh6#.

A.2) 26... Kf8 27.Rf6+ Qxf6 (27... Kg7 28.Qxh6#) 28.exf6 + - [Q vs R+B] and the threat Qxh6+ (28... Rh8 29.Qg6).

A.3) 26... Kh7 27.Qxh6#.

A.4) 26... Kh8 27.Rxh6+ Kg7 28.Rh7+ Kf8 29.Rxe7 Kxe7 30.Qh7+ Kf8 31.Rd1

A.4.a) 31... Be6 32.Qxb7 + - [Q+2P vs R+B].

A.4.b) 31... Rg7 32.Qh8+ Kf7 (32... Rg8 33.Qf6+ Ke8 34.Rd8#) 33.Rd8 Kg6 34.Rf8 wins (34... Rf7 35.Rg8+ Rg7 36.Rxg7#).

B) 25... Qf7 26.Qxf7+ Kxf7 27.Bxe6+ Bxe6 (else 28.Bxg8) 28.Rxb7+ recovers the bishop and ends up two pawns ahead at least.

C) 25... Qe8 26.Qh3

C.1) 26... exf5 27.Qxh6+ (or 27.Qf6+ Kh7 28.Qxh6#) 27... Kf7 28.Qf6#.

C.2) 26... Kf7 27.Bxe6+ Bxe6 28.Rxb7+ recovers the bishop with a crushing attack.

D) 25... Rh8 26.Qg6+ Kf8 27.Rbd1 with the threat Rd8+ wins.

E) 25... Rf8 26.Qg6+ Kh8 27.Qxh6+ Kg8 28.Bxe6+ Bxe6 29.Rxe6 wins.

F) 25... Re8 26.Qg6+ Kf8 27.Qxh6+ Qg7 28.Qh5 ends up a pawn ahead with attack. For example, 28... exf5 29.Rf6+ Ke7 (29... Kg8 30.Rg6) 30.Rh6 Qg8 31.Rh7+ Ke6 (31... Kd8 32.Qh4+ mates in two; 31... Kf8 32.Qh6+ mates next) 32.Rd1 and the double threat Rd6# and Qh6+ wins.

Oct-01-15  Cheapo by the Dozen: <al wazir>: White is down 1 pawn. So if Black gets out of trouble at the cost of 2 pawns, that's still a good outcome for White.

Anyhow, as usual I overcomplicated some lines, but I found the right move(s) for approximately the right reasons. :)

Oct-01-15  morfishine: Its funny, the pawn grabber gives back all the pawns, then loses the game, how humiliating
Oct-01-15  wooden nickel: The follow-up 26.Qg4+ also wins but isn't far as good as the text move 26.Qxf7+... 26.Qg4+ Kh8 27.Bxe6 Bxe6 28.Qxe6 Qxe6 29.Rxe6


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Oct-01-15
Premium Chessgames Member
  patzer2: Picked the obvious 25. Bxf5! for my Friday solution, calculating an accurate enough win after 25...exf5 26. Qg6+ .

However, I didn't anticipate Black's 25...Qf7 with White's clear 26. Qxf7+ Kxf7 27. Bxe6+! refutation.

As an improvement for Black, I'd pass on repeating the rarely played (was it a novelty?) 7...Bb5 = and instead go for sharp, popular move 7...g5 = as in Grischuk vs Karjakin, 2015 where there's a link to an excellent video analysis of this line and that game by GM Jan Gustafsson.

Oct-01-15  saturn2: 25 Bxf5: I calculated not all the lines but came to the conclusion that after accepting black has to give the queen for the rock or after non accepting white is at least a pawn up by better position because of 26 Qg4+
Oct-01-15  saturn2: <patzer2: for my Friday solution> not yet
Oct-01-15
Premium Chessgames Member
  kevin86: Korchnoi looked about three tempi behind all game.
Oct-01-15  rozzatu: <sotto voce meo> your first kibitz! congrats!
Oct-01-15  Lighthorse: I'm having a good week. 4 for 4. Crossing my fingers for tomorrow.
Oct-01-15  Howard: In response to an above inquiry, it was Steinitz who said that "a pawn is worth a little trouble."

Incidentally, Kasparov only scored 50% in this tournament, but he was probably still tired from his WC match against Anand.

Oct-01-15
Premium Chessgames Member
  patzer2: <saturn2> Thanks! This week has been flying by for me, but I certainlty didn't need to jump a day ahead.
Oct-01-15  jith1207: The previous night I was looking at Kasparov page's kibitzes and one poster had mentioned that this tournament was the worst performance by him while he was world chess champion.

He had only one win, but boy, that was POTD material. It is such a coincidence that one match from the tournament, which I was looking at in random came as POTD the next day. But luckily I did not see this game and am glad I was able to solve the puzzle as well.

Oct-01-15  stacase: 25 Bxf5 clearly wins a Pawn. I wouldn't say it played itself after that, but it was fairly easy.

Well I'm afew time zones east, let's see if I can remember to tune in around the cocktail hour this afternoon.

Oct-01-15  CHESSTTCAMPS: White is a pawn down, but dominates the board with rooks and bishop vastly superior to their black counterparts. White can grab a pawn back with a winning position:

25.Bxf5! threatening Qg6+ cleaning up.

A. 25... exf5 26.Qxh6+ Kf7 27.Rf6+ Ke8 28.Qh5+ Kd8 (Kd7 29.Rf7) 29.Rd1+ Bd7 30.Rf7 Qe8 31.R1xd7+ Qxd7 32.Rxd7+ Kxd7 33.Qh7+ wins both rooks.

B. 25... Qf7 26.Qg4+! Kh8 (Kf8 27.Rd8+ wins) 27.Bxe6 Bxe6 (Rxg4 28.Bxf7) 28.Rxe6 and white will go two pawns up with the more active rooks.

C. 25... Qe8 26.Qg4+! Kf7 (Kh8 27.Qh3 exf5 28.Qxh6#) 27.Qh4! exf5 28.Rf6+ Ke7 (Kg7 29.Qxh6#) 29.Rd1! leaves no good defense to a deadly discovered check.

Time for review...

Oct-01-15  CHESSTTCAMPS: Like others, missed the pretty 27.Bxe6+ finale.
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