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Alexander Beliavsky vs Viktor Kupreichik
URS-ch sf (1983), Minsk URS
Nimzo-Indian Defense: Normal Variation. Bernstein Defense (E58)  ·  0-1


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Given 13 times; par: 28 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 3 ·  Later Kibitzing>
Dec-13-11  zb2cr: 30. ... Rxc3 was my choice. Examining the kibitzing was humbling, though. I didn't consider most of the lines given.
Premium Chessgames Member
  gofer: "Easy"!? Nope, I don't think so!

<30 ... Rxc3>

31 Bxc3 Qg5+
32 Qg3 Qe3+
33 Kf1 Qxc3

Now black is definitely winning. Rxe4 is coming and white's king is very exposed. But how in god's name is a 4 move combination leading a two pawn advantage (+ benefits) an "Easy" solution.

Dec-13-11  Rocket51: if 31 Bxc3 then Rg5+ 32 Kf1 Bg2+
a) Ke2 Qf3#
b) Kg1 Bxe4#
Dec-13-11  James D Flynn: I too found Rxc3 obvious and the follow up difficult. My solution was Rg5ch and whether Kf1 or Kf2 then Qf4 threatens RG2 and Qh2 and it seems the only answer is to give up the Q for R and B whereupon the B on C3 will fall.
Dec-13-11  Rocket51: correction
if 31 Bxc3 Rg5+ 32 Kf1 Bg2+ 33.Kg1 Bxe4 + 34 Qg3 Rxg3+ 35 hxg Qf3 and mates Qg2+
Dec-13-11  sevenseaman: <morfishine> <Its this move <34.Rd1> that elevates this puzzle above "easy". The rook is immune due to 34...Bxd1 35.Qxc3 and the Black Queen has no checks plus must protect the rook on <e5> and the Bishop on <f3>. >

Excellent analysis until <34. Rd1>? The R is not quite as immune as you may have been led to believe. (You really must have been in a hurry)

Lines after <34. Rd1> could be;

1. <34... Be2+ 35. Kg1 Qxg3+ 36. hxg3 Bxd1 37. Kg2 Rxe4>

2. <34...B2+ 35. Ke2 Qc2+ 36. Rd2 Rxe4+ 37. Kf1 Qc1+ 38. Kg2 Qxd2+ 39. Kh3 Re3 (or Qxa2)>

Nonetheless, its a quality puzzle and seeing multiple lines, it could easily have come on Friday (or at the earliest on Wednesday).

<CG>'s degree of difficulty seems to be following a 'sine' curve.

Dec-13-11  scormus: <cocker: Is this to compensate for a very easy puzzle on Monday?>

It would seem. Or maybe <CG> were influenced by 31 0-1

Premium Chessgames Member
  pittpanther: Like many others I found this much harder than a usual Tuesday.
Dec-13-11  eblunt: <Rocket51: if 31 Bxc3 then Rg5+ 32 Kf1 Bg2+ a) Ke2 Qf3# > Errrrr it's not mate, Kd2 and it's pretty level.
Dec-13-11  Erik Wynn: I came up with 30 ..Qg5+ 31. Kf2 Qg2+ 32. Ke3 Rxc3+, followed by either 33 Bxc3 or Kd4, then 33..Rxe4+ winning the white Queen.

Maybe not the ideal line, but this should be a clear winner. What am I missing?

Premium Chessgames Member
  FSR: 30...Rxc3! 31.Bxc3 Qg5+ 32.Qg3 (32.Kf2 Qg2+ 33.Ke3 Rxe4+ ) Qe3+ 33.Kf1 (33.Qf2 Rg5+ 34.Kf1 Qd3+ 35.Ke1 Qxc3+ mops up) Qxc3 and Black has a winning advantage - but I probably missed something better.
Dec-13-11  TheoNov: Definitely not "easy". Best line according to Houdini is 30. ... Rxc3 31. Bxc3 Rg5+ 32. Kf1 Qb6 33. Qf2 Qb5+ 34. Ke1 Qd3 35. Bxf7+ Kxf7 36. Qa2+ Kf8 37. Bb4+ Kg7 38. Qb2+ Kh6 39. Qd2 Qxe4+ 40. Kf1 Kh5 41. Re1 Qf5 and finally the Q must commit suicide 42. Qxg5+, to prevent mate-in-9.
Premium Chessgames Member
  FSR: <Erik Wynn: I came up with 30 ..Qg5+ ... What am I missing?>

31.Bxg5 and wins.

<sevenseaman: ... 1. <30... Rxc3 31. Bxc3 Qg5+ 32. Qg3 Qe3+ 33. Kf1 Be2+ 34. Ke1 Bd3+ 35. Kd1 Qe2+ 36. Kc1 Qc2# >>

You overlooked 35.Qxe3 1-0.

I'm glad to see from everyone's posts that I wasn't just blind: the problem was very hard for a Tuesday.

Dec-13-11  Erik Wynn: @FSR. DOH! Thanks. Rxc3 makes much more sense now :-).
Dec-13-11  Whitehat1963: I must admit that when I proposed this as a puzzle, I didn't see anything close to the entire combination. I merely looked at the "free" knight and immediate resignation as proof, so to speak, of the "easiness" of the puzzle. In the words of Rick Perry, oops.
Dec-13-11  sevenseaman: Thanks <FSR> Glad that someone reads more carefully than I write.
Premium Chessgames Member
  kevin86: I mist it! I used the wrong rook on the wrong bishop---oops
Premium Chessgames Member
  varishnakov: This is the hardest easy puzzle I've ever seen.
Had this been a friday, I'd have spent more time trying to calculate the lines. I was not prepared for this beast on such an early day.
Dec-13-11  standardwisdom: Phew, what a difference a day can make.

I saw Rxc3+ like anyone else, followed by Qg5+, bud did not consider Qg3 defense.

Premium Chessgames Member
  The Long Diagonal: <FSR> <30...Rxc3! 31.Bxc3 Qg5+ 32.Qg3 (32.Kf2 Qg2+ 33.Ke3 Rxe4+ )>

I calculated the same line... but after 32.Kf2!? Qg2+ 33.Ke3 Rxe4+ 34.Kd3 Rxe1 35.Rxe1 white, despite having lost his queen, has a nasty mate threat. 35. .. Bc6 seems to be the only move that saves black. That also releases the f3 square for queen checks, so I suppose black will win after some manouvering (checking the white king and playing ... h5 + .. g5 in order to end the mate threats by white and let his own king escape). For example, 36.Bb3 Qf3+ and white will either face the LPDO problem or let black pin the rook. But I wouldn't call this a trivial win, and especially if there is a time trouble scramble going on white should definitely not resign but keep trying to see whether the opponent goes wrong...

So, I agree with others - this was an unusually difficult and complicated puzzle for Tuesday.

Dec-13-11  standardwisdom: <TLD: white, despite having lost his queen, has a nasty mate threat. 35. .. Bc6 seems to be the only move that saves black.> What an astute observation!

For a while, I thought that Be4 interposition (followed by Rxe4 and Qxa2) also exchanges the bishops and wins, and indeed it does, other than this tiny little problem of allowing a mate in 1.

Dec-13-11  Nullifidian: There's no way this is an easy puzzle. Thursday at the earliest is where I'd place this puzzle.

Here's the line I came up with:

30... ♖xc3 31. ♗xc3 ♖g5+ 32. ♔f1 ♕b6! (Δ ♖g1#) 33. ♕f2 ♕a6+ 34. ♔e1 ♖g1+ (the rook is immortal because of ♕xg1 ♕e2#) 35. ♔d2 ♖g2 and now White's best move is to accept the loss of the queen for the rook with 36. ♕xg2 ♗xg2.

It's a won position, but not easy to get to it.

Premium Chessgames Member
  doubledrooks: Like others, I found this to be more difficult than the typical Tuesday fare.

I finally voted for 31...Rxc3 32. Bxc3 Qg5+ 34. Qg3 Qe3+ 35. Qf2 Qxc3 with a two-pawn advantage.

Now if 36. Rf1, 36...Rg5+ is crushing.

Premium Chessgames Member
  agb2002: Black has two pawns and a rook for a bishop and a knight.

White's DSB controls g5. Hence, 30... Rxc3 31.Bxc3 (otherwise White is an exchange and two pawns down) 31... Qb6+ (31... Qg5+ 32.Qg3; 31... Rg5+ 32.Kf1 is not clear or at least not so clear to me)

A) 32.Qf2 Rg5+ 33.Kf1 Qb5+ 34.Ke1 Rg1+ 35.Kd2 (35.Qxg1 Qe2#) 35... Rg2 - + [Q+2P vs R+B].

B) 32.Kf1 Rg5 33.Qg3 Rxg3 34.hxg3 Qe3 is crushing.

Premium Chessgames Member
  chrisowen: I saw for Beliavsky it pin knowledge near con and it rook c3 giving g5 white in a;; sort of trouble after deploy it f1 king, left it's up heres right it queen drop slide across ie he bulldoze light.

B5 in valle carte in it a hole heap g4 on e4 it tips in balance, allow fork Kuprechik d4 complex in queen finish to see neck king scupper in flight queen.

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