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Martin Bezuch vs Viliam Hornak
SVK-chT2-A /01 (2000), rd 1
Russian Game: Classical Attack. Berger Variation (C42)  ·  0-1
ANALYSIS [x]

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sac: 20...Bf3 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Aug-26-06  tolow47: You have got to be kidding me that sac was not an immediate win. Please tell me you all would have played this with the same result.
Aug-26-06  RandomVisitor: 22...Rxb2! is deadly. For this reason, 21.Nxf3 was best play for White.
Aug-26-06  Tenderfoot: I think Black's work with the pawn promotion was more interesting, moves 57-60...
Aug-26-06  Boomie: <RV> 21. ♘xf3 loses but in a wonderful way.

21. ♘xf3 exf3 22. ♘g3 fxg2+ 23. ♔g1 ♗xg3 24. fxg3 ♕xh3 25. ♗f4 ♖xg3 26. ♗xg3 ♕h1+ 27. ♔f2 ♖f8+ 28. ♔e3 ♕h6+ 29. ♔e2 ♕h5+ 30. ♔d2 ♕g5+ 31. ♖e3 ♘a5 32. b3 ♖f1

Aug-26-06
Premium Chessgames Member
  Mendrys: <Tenderfoot: I think Black's work with the pawn promotion was more interesting, moves 57-60...>

Agreed. The endgame required some technical skill and while not terribly deep it was instructive. Black to move at either move 56 or move 57 would make a nice puzzle.

Aug-26-06  duddles: <tolow47> haha - this is just a place for kibitzers to claim the preposterous every day - I don't believe a word of it
Aug-26-06  tallinn1: 23. Rg1 Rg4! is better for black and wins immediately (threatens 24. .. Qxh2+ and 25. ... Rh4#). White cannot avoid serious loss of material: 24. Qf5 (only move) Rxg3 25. Qxh3 Rxh3 and Rxh2 to follow.
Aug-26-06  EmperorAtahualpa: I didn't get this one. I was thinking 20...Rxg2! How is this move best refuted?
Aug-26-06  DexterGordon: <Emperor>, I looked at 20...Rxg2 for a long time, but couldn't find a convincing way for Black to continue the attack after 21.Kxg2 Bf3+ 22.Nxf3 exf3+ 23.Kxf3 Qh5+ Kg2.

What line did you have in mind after 21.Kxg2?

Aug-26-06
Premium Chessgames Member
  OhioChessFan: <Agreed. The endgame required some technical skill and while not terribly deep it was instructive. Black to move at either move 56 or move 57 would make a nice puzzle.>

<Mendrys> h2 was a nice move but 57....Rf1 seems just as good as Rf2.

Aug-26-06  ganesh957: I would rather say that 57...Rf1 is better than Rf2 since it mates faster.
Aug-26-06  RandomVisitor: 22...Rxb2! is a mate in 18:

22... Rxb2 23. Qe2 Rxe2 24. Rxe2 exf3 25. Rg1 fxe2 26. Re1 Bxg3 27. fxg3 Rxg3 28. Rxe2 Rxe3 29. Rxe3 Qxe3 30. Kg2 Qd2+ 31. Kg1 Qxc3 32. Nf1 Nxd4 33. Kh2 Qc2+ 34. Kh3 Qd3+ 35. Ng3 Ne2 36. Kg2 Qxg3+ 37. Kf1 Nf4 38. a4 Qf3+ 39. Kg1 Qg2#

Other 23rd White moves do not work:

(-#11): 23.f4 Rxc2 24.Rac1 Rh6 25.Kg1 Qxh2+ 26.Kf1 Qh3+ 27.Kg1 Rxf2 28.Bxf2 Bxf4 29.Rxe4 dxe4 30.Rc2 Bxg3 31.Bxg3 Qxg3+ 32.Kf1 Rh1+ 33.Ke2 Qe1#

(-#8): 23.Rg1 Rxc2 24.f4 Bxf4 25.Rg2 Rxg3 26.Rag1 Rxg2 27.Rxg2 Bxe3 28.Kg1 Bxf2+ 29.Rxf2 Qg3+ 30.Kh1 Rxf2

(-#8): 23.Qxe4 dxe4 24.f4 Bxf4 25.Rg1 Bxg3 26.Rxg3 Rxg3 27.Rg1 Rxg1+ 28.Kxg1 Rb1+ 29.Bc1 Rxc1+ 30.Nf1 Rxf1#

(-#6): 23.Qxb2 exf3 24.Rg1 Rg4 25.Bg5 Rxg5 26.Qb8+ Nxb8 27.Rae1 Qxh2+ 28.Kxh2 Rh5#)

Aug-26-06
Premium Chessgames Member
  sfm: Brilliantly played by the winner and also great to see the tenacious and inspired resistance that White puts up to the very last.
Aug-26-06  EmperorAtahualpa: <What line did you have in mind after 21.Kxg2?>

<DexterGordon> I should have posted this over here but in the meanwhile I already found out that after 20...Rxg2 21.Kxg2, White's king can escape to the queenside:

20...Rxg2 21.Kxg2 Bf3+ 22.Nxf3 exf3+ 23.Kxf3 Qxh3+ 24.Ke2 Qh5+ 25.Kd2

:(

Aug-26-06  skakmiv: 23...Rg4 must be better, threatning 24...Qxh2.
Aug-26-06
Premium Chessgames Member
  kevin86: I had the first move of the puzzle,but did nothing beyond that.

The ending is neat-with one pawn/queen sacrificed to enable another pawn to march to queenhood.

Aug-26-06
Premium Chessgames Member
  al wazir: A 41-move combination. I got the first three moves right, so my grade is 7%.
Aug-26-06  maxundmoritz: Here are a few other tactical possibilities from this interesting game.

<Neil Ferde> 32...Qg4 threatening Rxh2 wins faster.

Also 33...Qg3 - same idea - can't be defended and 57...Rf1 leads to another nice mating combination.

Aug-26-06  DexterGordon: <Emperor>, yes, once the king gets to the queenside it's all over! That's why I tried 23...Qh5+, but it doesn't seem any better in the end.

If only I'd seen <RandomVisitor's> mate in 18! ;-)

Aug-26-06  TrueBlue: I saw it, cool (about 5 min, but I am half asleep). What day is today ?
Sep-03-06
Premium Chessgames Member
  patzer2: Black's demolition of pawn structure combination sacrifice 20...Bf3!! leads to a decisive assault on the weakened White Kingside castled position.

As in many of these sacrificial attack combinations, a key Rook lift (i.e. 24...Rf5!) plays an essential role. IMO the superior mobility of Black's pieces and the cramped and disorganized White position practically begs for the sacrifice. Of course, exact calculation to determine that Black can emerge from the assault with a decisive advantage after the sacrifice of material is helpful.

Additionally, as <Random Visitor> indicates, there is more than one way to skin the cat in the followup to this combination, as 22...Rxb2!! also wins.

Sep-03-06
Premium Chessgames Member
  patzer2: Actually, it may not be necessary to calculate an 18-move mate after the decoy 22...Rxb2! 23. Qxb2, since the followup 23...exf3 24. Rg1 Rg4!! leaves White helpless against a number of quick mate threats (e.g. 25. Ng3f1 Rxg1+ 26. Kg1 Qg2#; 25. Raf1 Qxh2+ 26. Kxh2 Rh4#).
Sep-03-06
Premium Chessgames Member
  patzer2: Of course the simple 23...Rg4! also wins, but it just takes a bit longer to score the full point than in the 22...Rxb2!! line after 23...Rg4! 24. Qf5 Rxg3!! .
Sep-03-06
Premium Chessgames Member
  patzer2: I'll have to add 57...Rf2+! to my endgame tactics collection. It's definitely an instructive example of the strength and power of two separated passed pawns on the opponent's seventh rank.
Feb-21-09  WhiteRook48: 59. Kxf2 h1=Q is no good either.
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