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Mikhail Podgaets vs Gennadi Lvovich Zaichik
USSR Ch (1986)
Benoni Defense: Classical Variation. Czerniak Defense Tal Line (A77)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Sep-15-07
Premium Chessgames Member
  dzechiel: Well, black transposed into my last line (he could have played 25...Rxf1+ 26 Nxf1 Bxd3), but resigned where I thought there was still play left in the game.

Perhaps <MAJ>'s machine can show us how the game would have likely ended.

Sep-15-07
Premium Chessgames Member
  dzechiel: OK, after 25...Rxf1+ 26 Nxf1 Bxd3 27 e6 f6 28 e7 Rxe7 29 Qxf6 black is busted.

The main threat is 30 Nh6#, but if black plays 29...h6 then 30 Nxe7+ Kh7 31 Qg6+ Kh8 32 Qxh6#.

A spectacular combination!

Sep-15-07
Premium Chessgames Member
  al wazir: <dzechiel>: Very thorough analysis. I doubt if Rybka or HiArcs could improve on it.

My guess is that the continuation would be 25...Rxf1+ 26. Nxf1 Bxd3 27. e6 f6 28. Ng3. Black has few options now. If 28...h4, then 29. e7, followed by Qxf6.

Sep-15-07  officeplayer: The right move is 23.Qxb2, the queen cannot be taken because moving the knight opens the third rank for attack from the second rook plus leaving whites queen's bishop under attack only along the c-file (by the R at c8). Then Rg3+ leaves the black king only one escape square - h6 (otherwise mate in 1), where he is trapped and mated - 24.Rg3 Kxh6 25.Nc4+ Qg5 26.Bxg5 Kg7 (26. ... Kg6 27.Bf4,e3,d2,c1#)27.Be7+ A.Kh8 Bf6# B.Kh6 Rf6#.
Sep-15-07  officeplayer: 23.Qxb2 If black doesn't take the queen and if he makes a null move(doesn't move at all) then the threat by white is: 24.Rxd3, removing the attack on the queen and turning it into an attacker along the a1-h8 diagonal. Now 24. ... Bxd3 results in 25.Rxf7+ Kg6 [25. ... Kh6 26.Nc4+ and mate in 4: A. 26. ... Kg6 27.e6! Rg8 28.Qe5! or 28.Qd2 with mate on the next move; B. 26. ... Qg5 27.Bxg5 Kxg5(or Kg6) 28.Qf2 with mate in 2] 26.e6! Rxc1 27.Qxc1 and the black king is entangled in a mating net, for example: 27. ... Rf8(or Re7) 28.Nf3
27. ... Qc8 28.Qb2(or Qa1)
27. ... Qg5 28.Nf5
27. ... Be4 28.Qb2(or Qa1)
27. ... Rxe6 28.dxe6 Qg5 29.e7 and so on.
Sep-15-07  officeplayer: So, after 23.Qxb2, black knight cannot move and white threatens to take it by 24.Rxd3. Now black has several options to reduce the number of the pieces attacking his king:

23. ... Kxh6 loses to 24.Nc4+!, for instance:
24. ... Nxc1 25.Qxc1+ Kg7 26.Rg3+ [Kf8 27. Qh6+ Ke7 28.Rxf7+! Kxf7 29.Qg7# or 28.Qf6+ Kd7 29.Qd6#]Kh8 27.Qh6 with mate. 24. ... Kg7 25.e6+! f6 26.Rxd3

23. ... Rxc1 24.Nf5+ Kg8 25.Rxd3 Rxf1+ 26.Nxf1 Bxd3 27.exd6 f6 28.Qf2 Rxe4 29.Qg3+ Rg4 30.Qxd3 and white has 2 passed pawns and he is up material (N+N for R) plus his pieces are more active. Best option for black.

23. ... dxe5 (with the idea of closing the long diagonal) 24.Rxd3 Bxd3 25.Rxf7+ Kxh6[Kh8 and Kg6 are met by 26.Nf3!] 26.Nc4+ Kg6 27.Qf2 Bxe4 28.Rxa7! with unstoppable threats.

Sep-15-07  Larsker: Wonderful stuff.
Sep-15-07  Marmot PFL: Wow, what a mess. This could take all morning to solve, if I can do it at all. I better get back to it later..
Sep-15-07
Premium Chessgames Member
  moronovich: Beautiful game by Podgaets !
Sep-15-07  willyfly: White is up by a minor piece but down by a ♙ while Black's c8♖ threatens White's ♕ and the b2♙ threatens to promote while capturing the c1♗ - this calls for something drastic like maybe

23 ♖xf7+ ♔xh6 24 ♘c4+ ♔g6 25 ♖f6+ ♔g7 26 ♗h6+ ♔g8 27 ♕xd3 ♗xc4 28 ♕g3+ ♔h8 29 ♕g7#

or maybe something else - let's look

-----
mine was more fun

Sep-15-07  xKinGKooLx: 6/6. I am definitely getting better at solving these puzzles. However, it still took me about 15 minutes to solve, because of all the possible moves White can choose from. I hope I can get tomorrow's puzzle, because it will be the first time I will get 7/7 for the week.
Sep-15-07  Marmot PFL: I found 23.Qxb2 after a whlie but never was sure it was right. Taking the queen is a quick mate while lines like 23...Rxc1 24.nf5+ Kg8 25.Rxd3 Rxf1+ 26.Nxf1 Bxd3 27.ed6 with mate threat are winning but hard to see from the starting point.

Maybe black's problems began with the crazy 12...Nh5? What kind of GM plays a move like that?

Sep-15-07  Creg: <dzechiel> The game is lost for black after 25...Rxf1+ 26. Nxf1 Bxd3 when 27. Qc3 wins the bishop. If the bishop moves anywhere, then comes 28. Qg3+ and 29. Qg7#
Sep-15-07
Premium Chessgames Member
  paulalbert: <Creg> This last step where the Q threatens to use the g3 square to check and deliver mate is really the beautiful part of the whole sequence, and very difficult to visualize from the starting position. I saw the Rg3ch and possible discovered mate from the B after Nc4# and was sure that Qxb2 was the right idea, but no way was able to work out all the variations. Paul Albert
Sep-15-07  znprdx: I spent all morning - wish I hadn't - because although I saw most of the themes I missed the synthesis - and I can't see how I can improve my skills -also I'm not absolutely convinced that there might not be some kind of equally "spectacular" resource for Black
Sep-15-07  pawnofdoom: The first move I thought of was Rxd3 cuz after Rxc2 Rg3+ wins, I think. But then there was Rxd3 Bxd3 which stops the whole plan. It gets 2 minor pieces for a rook, but then cxb1Q is disastrous for white
Sep-15-07
Premium Chessgames Member
  dzechiel: <Creg: <dzechiel> The game is lost for black after 25...Rxf1+ 26. Nxf1 Bxd3 when 27. Qc3 wins the bishop. If the bishop moves anywhere, then comes 28. Qg3+ and 29. Qg7#>

So, it appears that after 27 Qc3 black must play 27...Rxe5 28 Qxd3 Qg5. I think black is still lost, but the two knights against the rook will make it interesting.

Sep-15-07  grabapawnski: After 26 Qxb2 Nxb2?? 27 Rg3+ people have mentioned three types of mate that follow:

if 27.... Kh8 28 Nxf7 mate
if 27.... Kf8 28 Rxf7 mate
if 27.... KxN 28 Nc4+ Qg5 29 BxQ+ Kg7(Kg6 similar)
30 Be7+ Kh8 31 Bf6 mate or 30 ... Kh6 31 Rf6 mate

There is fourth line if black counter sacs his Q immediately.

26 Qxb2 Nxb2?? 27 Rg3+ Qg5
28 RxQ+ KxN 29 Rf6+ KxR
30 Nf3+ Kg4 31 h3+ Kg3 32 Bf4 mate

Sep-15-07  vajeer: <dzechiel:OK, after 25...Rxf1+ 26 Nxf1 Bxd3 27 e6 f6 28 e7 Rxe7 29 Qxf6 black is busted.> If Black plays 27...Qg5 28 h4 Qg6
and then black seems to be OK
Sep-15-07
Premium Chessgames Member
  dzechiel: <vajeer: <dzechiel:OK, after 25...Rxf1+ 26 Nxf1 Bxd3 27 e6 f6 28 e7 Rxe7 29 Qxf6 black is busted.> If Black plays 27...Qg5 28 h4 Qg6 and then black seems to be OK>

I think you are right. I didn't see the 27...Qg5 resource to stop the mate on g7. Good eye!

Sep-15-07
Premium Chessgames Member
  patzer2: For today's puzzle solution, the decoy clearance sham sacrifice 23. Qxb2!! works well enough to win this game. See <dzechiel>'s posts above for the mating possibilities after 23... Nxb2 24. Rg3+ .
Sep-15-07  grabapawnski: After 25...Rxf1+ 26. Nxf1 Bxd3

the immediate 27 e6 threat Qg7 mate
is met by 27... Qg5 when
28 exf7+ Kxf7 29 Nxd6+ fork seems insufficient.

I prefer 27 Qc3 Be2!?
but now not 28 Qg3+ Bg4 29 h3 Rxe5
30 hxg4 h4 with a fight

instead 27 Qc3 Be2!? 28 exd6

This threatens two mates 29 Qg7 mate or another motif 29 Nh6+ Kf8 30 Qh8 mate. Black has to play Qg5 or f6

if 28 ... Qg5 29 h4 Qg6 (Qg4?? Nh6+ mates in 2)
30 d7! ends it
If the rook leaves the 8th rank the p queens.
If it leaves the e file Ne7+ wins the Q
30 ... f6 31 dxR=Q+ or Ne7+ are easy wins

so black must reply to 28 exd6 by f6
but now
29 Qc7 (threat Qg7 mate) QxQ
30 dxQ (idea c8=Q RxQ Ne7+ fork) Bg4
31 N(f1)e3 BxN 32 NxB Kf8 33 Nd6 Ra8
34 c8=Q RxQ 35 NxR etc

Sep-15-07
Premium Chessgames Member
  dzechiel: <al wazir: <dzechiel>: Very thorough analysis. I doubt if Rybka or HiArcs could improve on it.>

Thanks, but not nearly good enough. Everyone seems to be finding improvements on my line. I'll try to do better this evening.

Sep-17-07
Premium Chessgames Member
  kevin86: A great game of long distance attack.

White had to be AT&T his best to have his pieces SPRINT as they do.

A good problem-I wonder what is NEXTEL me. Do you here me now? lol

Sep-21-07
Premium Chessgames Member
  luzhin: Marmot PFL says of the 'crazy' 12...Nh5,'what kind of GM could play a move like that?' Er...Bobby Fischer. Actually, Fischer played it a move earlier -- and it bamboozled Spassky in the critical 3rd game of their 1972 match. Later it was positionally refuted by Gligoric -- so perhaps Marmot's question should have been: "What kind of GM could play a move like that after Gligoric showed how to win against it?" I guess the answer is: an optimist.
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