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Stanislav Savchenko vs Sergey Smagin
Tal Memorial (1992), Moscow RUS, Aug-??
Queen's Gambit Declined: Barmen Variation (D37)  ·  1-0



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Kibitzer's Corner
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Premium Chessgames Member
  kevin86: A move that is underrated here is 13 0-0-0! It is what I would call "offensive castling". It provides some protection-though short castling would offer more.However,long casting allows the rooks to unite for an attack against the black king,

White piece sacs are a very common theme-used a little uncommonly here-to demolish the king's pawn defenses. I guessed Bf6 but went no further.

Nov-21-04  Vischer: <> <this particular puzzle was taken from a collection of tactics specially chosen to confound computers> That sounds interesting; I don't know exactly how one makes a puzzle specially to confound computers but it might be fun to see the puzzles, and also to reassure us that computers are not taking over the world. Where can I find that collection?
Premium Chessgames Member
  Gregor Samsa Mendel: <TheTurk> Alekhine vs K Sterk, 1921 has a 23rd move that reminded me of this puzzle.
Premium Chessgames Member Visher, we located a PGN file on the internet which contained the following preface:

<Big Book of Combinations - The Unsolved Problems

Back in 1994 Eric Schiller published a set of 1000 chess problems along with the first move of the solution. The book was 'The Big Book of Combinations'. Most of the problems in the book prove to be trivial for computer chess programs. At the time all the problems were given to Zarkov 3.0 running on a 90 MHz Pentium (bleeding edge for 1994). Zarkov managed to solve all but 190 of the problems. It is these 190 positions that are of interest and are contained in the database along with analysis from most of the current ChessBase programs. I have added the principal variation of the solution, something that was not included in the original book. This analysis is far from perfect and if it can be improved then I would appreciate a copy. The analysis was carried out on a 450 MHz Pentium II with 256 Mb of RAM. Most of the programs solve about 120 of the 190 positions. As one would expect some errors were found in the book - these are highlighted in the database.

Steve Maughan - April 2000>

Sep-19-13  phil6875: 19...Ba5 was a genuine blunder, it lost immediately to 20. Bf6. As <patzer2> has clearly showed there was no defence.

Black would have been OK after 19... Rfc8 (or 20...Rac8) 20. Rc1 Nd5 21. Bxd5 Qb6 22. Rxc3 Rxc3 23. Ba2 Rac8 24. Rg1 Ra3 25. Qd4 Qxd4 26. Nxd4 Rd3 27. Ne2 g5 28. Bg3 Bxa4

For White 20. Qg4 was also very strong,

20. Qg4 g6 21. Bf6 Bxa4 22. Qh4 h5 23. Qf4 Kh7 24. Bxa4 Nxa4 25. Ng5+ Kg8 26. Qxa4 b5 27. Qe4 Rfc8 28. Nxe6 Qc4 29. Ng5 Qxe4+ 30. Nxe4

Jan-10-16  TheBish: I think this was the easiest "Insane" problem I have seen in awhile. Granted, I didn't take time to work out all the variations (since I don't have it now), but after finding the first move 20. Bf6!!, the attack just follows naturally. This is a natural attacking move to play intuitively (like in a blitz game), since Black has so many pieces offside (away from the defense).
Jan-10-16  dfcx: First I thought of playing 20.c2 but black would play f5. This leads me to think a way to stop the pawn, and

20.Bf6 is now obvious.
20...gxf6? 21.Qxh6 fxe5 22.Ng5 and mates

20...Nd5 21.Qg4 Nxf6 22.exf6 g6 23.Qh4 h5 24.Qg5 Kh7 25.Bc2 wins

It's the first "insane" puzzle I solved and I am 7/7 this week.

Jan-10-16  scholes: first week in 5 years, i got all 7
Premium Chessgames Member
  Penguincw: January 10th. So guys, how's your New Year's Resolutions going? Mine, one is well, the other not so (but I'm not giving up on it yet).

Anyway, I aimed for guessing the correct sacrifice, and missed it with 20.Rxd7.

But hey, tomorrow's Monday.

Jan-10-16  5hrsolver: I guess white would play next 28. Ne4 blocking the bishop. If 28..Kh7 then 29.Qf5+ and mate in a few. If 28..Bxe4 then 29.Qxh6 mates. If 28..Rc4 then 29.Qg3+ mates in a few.
Jan-10-16  jith1207: Sergey Smacked in.
Jan-10-16  stacase: Well, I got 20. Bf6 right (-:
Jan-10-16  RandomVisitor: After 14.e5

click for larger view


<-2.05/28 14...b5> 15.Bb3 Bb7 16.Kb1 Nf4 17.Qd2 Nxg2 18.Qxd7 Qxd7 19.Rxd7 Nxh4 20.Rxb7 Nxf3 21.axb5 Bxf2 22.Ne4 Be3 23.Rf1 Nxe5 24.Nd6 axb5 25.Nxf7 Rae8 26.Re1 Rxf7 27.Rxf7 Kxf7 28.Rxe3 Kf6 29.Re2 g5 30.Rf2+ Ke7 31.Re2 Kd6 32.Rd2+ Kc5 33.Rc2+ Kd4 34.Rd2+ Ke3 35.Rd6 Nc4 36.Bxc4

Jan-10-16  morfishine: When I first looked at the position, I couldn't see anything promising, so I left for my Sunday morning errands

When I got back, I saw it instantly


Jan-10-16  Patriot: I thought 20.Bf6 Nd5 21.Rxd5 exd5 22.Bxd5 looked strong, since 23.Qg3 is threatened and 23...g6 fails to 24.Qxg6#. The light-squared bishop is much better than the rook here.
Jan-10-16  RandomVisitor: After 19.Qxf4

click for larger view


<+0.14/37 19...Rfc8> 20.Rc1 Nd5 21.Bxd5 Qb6 22.Rxc3 Rxc3 23.Ba2 Ra3 24.Qd4 Qxd4 25.Nxd4 Rd3 26.Ne2 Bxa4 27.Nc3 g5 28.Bg3 Bc6 29.f3 b5 30.Kc2 Rad8 31.Rd1 Rxd1 32.Nxd1 h5 33.Be1 g4 34.fxg4 Bxg2 35.gxh5 Be4+ 36.Kc1 Bf3 37.Nf2 Rd4 38.h6 Rh4 39.h3 Rxh6 40.Bb4 Rh5 41.Bd6 a5 42.Kd2 Bg2 43.Bb1 Bxh3 44.Ne4 Kg7

Jan-10-16  PJs Studio: I got it up until I missed 23...Ba4! Which really is a nice idea for black. Just trying to stay alive.
Jan-10-16  JASAHA: This is far from insane. I've seen bible thumpers who are well beyond this.
Premium Chessgames Member
  agb2002: The material is identical.

The black castle is not well protected. This suggests 20.Bf6:

A) 20... gxf6 21.Qxh6 (threatens mate in two 22.exf6 and 23.Qg7#)

A.1) 21... fxe5 (or 21... f5) 22.Ng5 and mate soon.

A.2) 21... Nd5 22.B(R)xd5 loses the knight without avoiding the threat.

A.3) 21... Qc6 22.exf6 Qe4+ 23.Bc2 Qg4 24.Qh7#.

B) 20... Bc6 21.Qg4

B.1) 21... g6 22.Bc2

B.1.a) 22... Kh7 23.Ng5+ Kg8 (23... hxg5 24.Qh3+ Kg8 25.Qh8#) 24.Qh4 h5 25.Qxh4 gxh5 26.Bh7#.

B.1.b) 22... Rfc8 23.Bxg6 fxg6 24.Qxg6+ Kf8 25.Qxh6+ and mate soon.

B.1.c) 22... Nd5 23.Rxd5 Bxd5 24.Bxg6 Rfc8 (24... fxg6 25.Qxg6+ Qg7 26.Qxg7#) 25.Bh7+ and mate next.

B.2) 21... Be4+ 22.Qxe4 gxf6 23.exf6 wins a pawn and threats 24.Bc2 and 25.Qh7#.

C) 20... Nd5 21.Rxd5 exd5 23.Qg3 g6 24.Bc2 looks similar to B.1.c.

Jan-10-16  CHESSTTCAMPS: Material is even, with white having a strong initiative on the king-side, where the black king has a solid pawn shield, but no minor piece defenders. White can turn the initiative into tangible results by focusing the force on g7 before black can coordinate his minor pieces against the weakened white king position.

20.Bf6! clamps down on an f-pawn advance that could establish lateral defense of g7. The bishop is immune:

A. 21... gxf6 22.Qxh6 fxe5 (otherwise 23.exf6 forces mate) 23.Ng5 forces mate.

B. 21... Kh7 22.Bc2+ Kg8 (Kh8 23.Qxh6+) 23.Qg4 g6 24.Bxg6 wins.

C. 21... Nd5 22.Qg4 Nxf6 23.exf6 g6 24.Qh4 Qd8 (Kh7 25.Ng5+ wins) 25.Rxd7! Qxd7 26.Qxh6 forces mate.

C.1 22... g6 23.Qh4 Kh7 24.Ng5+ Kg8 25.Qxh6 wins

C.2 22... g5 23.Nxg5 wins

Can't find any better defenses at the moment - time for review.

Jan-10-16  CHESSTTCAMPS: I should have considered the game defense (20... Rfc8) which leads to more active counter-play than I envisioned
Jan-10-16  Marmot PFL: Found the first couple moves, that's about it.

White's choice to castle queenside worked out here, but still looks very risky to me.

Jan-10-16  devere: 20. Bf6 Nd5 21. Qg4 Nxf6 22. exf6 g6 23. Qh4 h5 24. Qg5 Kh7 25. Bc2 Rh8 26. Bxg6+ fxg6 27. Rxd7+ Qxd7 28. Ne5 + -

click for larger view

I also considered playing 20.Rc1, but after the reply Bc6 the Black queen guards f7, and that somewhat reduces the strength of 21.Bf6. But I think that White can still win.

Jan-11-16  Moszkowski012273: White REALLY should castle kingside in positions like these. 12.0-0... would of been much safer.
Jan-11-16  Moszkowski012273: 14...b5 gives Black quite a bit of advantage.
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