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Alexei Dmitriyevich Fedorov vs Normunds Miezis
34th Olympiad (2000), Istanbul TUR, rd 8, Nov-05
Sicilian Defense: Kan. Knight Variation (B43)  ·  0-1
ANALYSIS [x]

FEN COPIED

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sac: 28...Rxg3 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jan-07-07
Premium Chessgames Member
  dzechiel: Well, I out-thought myself on this one. The first move I considered was 28...Rxg3, but I convinced myself that it was just too obvious. So I started looking for a "better" move, and came up with 28...Qb8. Can any of you folks out there with good software tell me if there is any merit in my move? Thanks, Dave.
Jan-07-07  Notquitetal: Saw the first move, saw the potential rook assault on the queen - didn't see the commencing bishop jab. Just fantastic.
Jan-07-07  Fisheremon: <tpstar: <Whitehat1963> Spectacular combination. After the exchange sacrifice, the only other way to defend g2 is 30. Rg1 which loses to 30 ... Rg4 & 31 ... Rh4(+). Then by not capturing the Bg2, the game continuation leads to mate on f2.

If 32. Rxg2 instead, Black wins with 32 ... Qxe1+ 33. Rg1 (33. Kh2 Bd6+ 34. Kh3 Qh1+ mates) Qxg1+! 34. Kxg1 e2+ 35. Kg2 e1=Q:

Now White will have a hard time preventing mate while saving the Bc2.> In your diagram how would you play if 36.Qh2 ?

Jan-07-07  goldfarbdj: I actually got most of this, up through Bxg2+. I didn't consider Kg1 for white, I thought Rxg2 Qxe1+ was forced; I wasn't sure how to continue after Rg1, so I finally decided to peek.
Jan-07-07  Fisheremon: (cont.) The sac 28...Rxg3 seemed to be premature. My solution is 28...Qb8:

1) 29.fxe6 Rxg3 30.exf7 Rh8 31.f8Q+ Qxf8 32.Qf4 Bd6 33.Rxe3+ Rxe3 34.Qxe3+ Kd7 35.Bf5+ Kc7 ( )

2) 29.Qh5 Rxg2 30.Qxc5+ Qd6 31.Qxd6 Kxd6 ( )

3) 29.hxg3 Rh8 30.Bh7 Be4 31.b4 Bb6 32.Kg1 Rxh7 33.Qf4 Qxf4 34.gxf4 fxe6 ( )

Jan-07-07  Zivildiener: <fisheremon> I especially like your third line,

after 28...Rxg3 29. hxg3 Rh8 how can white play Bh7?! there's stille the pawn on f5...

also it seems you give the three lines as an answer to Qb8, but how can white capture anything on g3 then...?!

Jan-07-07  franksp: I saw 28...Rxg3 but thought it led nowhere. Then I saw Qb8, threatening 29...Rh8 winning the Queen. That looked good to me. But maybe f5xe6 spoils that.
Jan-07-07  Fisheremon: <Zivildiener> Thanks for pointing the typos. It should be read as

28...Qb8 29.29.fxe6 Rxg3

1) 30.exf7 Rh8 31.f8Q+ Qxf8 32.Qf4 Bd6 33.Rxe3+ Rxe3 34.Qxe3+ Kd7 35.Bf5+ Kc7 ( )

2) 30.Qh5 Rxg2 31.Qxc5+ Qd6 32.Qxd6 Kxd6 ( )

3) 30.hxg3 Rh8 31.Bh7 Be4 32.b4 Bb6 33.Kg1 Rxh7 34.Qf4 Qxf4 35.gxf4 fxe6 ( )

Jan-07-07
Premium Chessgames Member
  cu8sfan: Wow! This must be the first time I got at least some of the lines and ideas of a Sunday puzzle. Lately I've been doing lots and lots of tactics because I found I had some weakness in this area and it's nice to see it paying off a little.
Jan-07-07  euripides: White's 10.Bxf6 is relatively rare and 11...Kf8 looks like a good response; Black then takes complete control.
Jan-07-07  TrueBlue: Here is another pretty line :)

28. ..Rxg3 29. hxg3 Qxg3 30. Qh2 Rh8 31. Qxh8 Bxg2+
32. Rxg2 Qxe1+ 33. Rg1 Qxg1+ 34. Kxg1 e2+ 35. Kg2 e1=Q

I think first move was ovious (took me less than a second to consider it). Now deciding whether to take with the queen or rook was the tricky part. Key was to recognize that the e pawn was black's stongest asset.

Jan-07-07  Sim1: Well that was nice, worked out a Sunday puzzle (including the double rook sac) just by asking what does black have? Answer: Just about every single one of his pieces pointing at the white king!
Jan-07-07  Themofro: A great combination. I got everything up until ...30 Rh8 i only considered Bxg2 at this point, which would also give black the advantage but as Aagard points out the opposite-colored bishops give white drawing chances. A fantastic combination for sure.
Jan-07-07  Happypuppet: <Fisheremon> 36. Qh2 Qe2+ 37. Kh3 (37. Kh1 Qf1+ 38. Qg1 Qxg1# or 37. Kg3 Bd6+) Qh5+ 38. Kg2 (38. Kg3 Bd6+) Qg4+ 39. Qg3 Qe2+ 40. Kh3 Qxc2
Jan-07-07  blair45: I got part of the winning line, but, playing through the game, on move 33 ..., I was looking for different ways the black queen could smoke the white king. I missed the elegant 33 ... Bc4.
Jan-07-07  Towershield: <happypuppet> After 39.Kf1 I don't see a clear winning line for black. Which is why I think 36..e5 is the best try.

36.Qh2 e5 37.Kh3 and here I think black has good winning chances.

Jan-07-07  Towershield: I also find it interesting how easy it is for black to win after 37.Kf3?? e4+. If 38.Kg4 Bf2!! (39.Qc7+ is useless) and white is toast here.
Jan-07-07  greensfield: Great minds think alike!

<Jan-07-07 TrueBlue> & <Nov-11-06 tpstar>

Nice discovered check that 34...e2+

Jan-07-07  Fisheremon: <Towershield: <happypuppet> After 39.Kf1 I don't see a clear winning line for black. Which is why I think 36..e5 is the best try.

36.Qh2 e5 37.Kh3 and here I think black has good winning chances.>

Certainly the best for Black is 36...e5, still not so easy, e.g. (from my analysis)

37.Kh3 Bf2 38.Bd1 Qd2 39.Qh1 Qxb2 40.Qb7+ Kf8 41.Qc6 Kg7 42.Qg2+ Kh7 43.Bb3 Qxc3 44.Kh2 Be3 45.Qg4 Bf4+ 46.Kg2 Qd2+ 47.Kf1 Qd3+ 48.Kf2 Qd7 49.Ke2 a5 50.Qh3+ Kg7 51.Qd3 Qe8 52.Bd5 b4 53.Qa6 Qd7 54.Qd3 Qc8 55.Bb3 Qc1 56.Kf2 Qh1 57.Qf3 Qh4+ 58.Ke2 Qg5 59.Bc2 Qg1 60.Bb3 Qc1 61.Qd3 etc. It seems to me that White has enough resources to resist here. So I'v come to a find of a simple move 28...Qb8 with fierce attack in all variations (see my previous messages).

Jan-07-07  forbismarck: hey, i have that book =)
Jan-07-07
Premium Chessgames Member
  kevin86: Iguess I came close to getting this one-I saw the first three moves,but couldn't quite finish it :(
Jan-07-07  LIFE Master AJ: Nice combo, I ought to put this one on my problem page.

---> BTW, I got the first move, but never even saw (or considered) 30...♖h8!!!

Jan-07-07  ALEXIN: I got the 3 first move but missed 31.Bxg2...the most easy part of the combination !
Jan-08-07  Fisheremon: <greensfield: Great minds think alike!

<Jan-07-07 TrueBlue> & <Nov-11-06 tpstar>

Nice discovered check that 34...e2+>

Perhaps you didn't pay attention about our discussion of 36.Qh2 ?!

Jan-08-07  Fisheremon: <Nov-11-06 tpstar><Jan-07-07 TrueBlue> After the main variation 32.Rxg2 Qxe1+ 33.Rg1 (33.Kh2 Bd6+ 34. Kh3 Qh1+ mates) Qxg1+! 34.Kxg1 e2+ 35.Kg2 e1=Q with 36.Qh2 still under a question mark (at least no one could provide a clear win for Black) I tried to save the combo with 28...Rxg3 and found a way for it:

29.hxg3 Rxg3! (instead of Qxg3).

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