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Viktorija Cmilyte vs Ekaterina Polovnikova-Atalik
European Individual Championships (Women) (2007), Dresden GER, rd 3, Apr-05
Queen's Gambit Declined: Vienna Variation (D39)  ·  0-1
ANALYSIS [x]

FEN COPIED

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sac: 35...Qg4 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 4 OF 4 ·  Later Kibitzing>
Sep-09-09
Premium Chessgames Member
  David2009: This is an amazing and most attractive game. The theme of ...Nf2+ forking the Queen and/or checkmating occurs on no fewer than three distinct ocasions (moves 25, 33 and 37, unplayed).
Sep-09-09  ruzon: Sad to say I did not consider 35...♕g4. I did consider (among all checks, captures, and threats) 35...♘c1, which tries to deflect the Queen but fails.
Sep-09-09  felixd: Pretty hard for a wednesday I think!
Sep-09-09  wals: [Event "European Individual Championships (Women"]
[Site "Dresden GER"]
[Date "2007.04.05"]
[Round "3"]
[White "Victoria Cmilyte"]
[Black "E Polovnikova-Atalik"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "2466"]
[BlackElo "2374"]
[Annotator "Rybka 3 1-cpu (30m)"]
[PlyCount "72"]

D23: ♕ueen's Gambit Accepted: 3 ♘f3 ♘f6 sidelines

1. d4 Nf6 2. c4 e6 3. Nf3
d5 4. Nc3 dxc4 5. Qa4+ Nbd7 6. e4 Be7 7. Bxc4 O-O 8. Qc2 c5 9. e5 Nd5 10. Nxd5 exd5 11. Bd3 h6 12. O-O White castles and improves king safety c4 ♗lack threatens to win material: c4xd3 13. Bh7+ Kh8 14. Bf5 (14. h3 Nb8) 14... Nb8 (14... Nb6 15. Bxc8 Rxc8 16. Re1) 15. Bxc8 (15. Bd2 Nc6 ) 15... Qxc8 16. Be3 (16. a4 a5 ) 16... Nc6 (16... b5 17. Ne1) 17. Ne1 (17. a3 b5 ) 17... Qe6 (17... Kg8 18. f4 ) 18. f4 (18. h3 f6 19. Qg6 Bd8) 18... f5 White has a new protected passed pawn: e5 (18... Nb4 19. Qc3 f5 20. Bf2 ) 19. Kh1 (19. Nf3 Kg8 ) 19... g5 (19... b5 ) 20. g4 ?? <blunder> allows the opponent back into the game (20. Qd2 and White hangs on) 20... gxf4 (Less advisable is 20... fxg4 21. f5 Nb4 22. Qf2 ) 21. Rxf4 (21. Bxf4 fxg4 22. Qd2 Rf7 ) 21... fxg4 22. Ng2 (22. Rxf8+ Rxf8 (22... Bxf8 23. Ng2 ) 23. Kg1 Bg5 ) 22... Nb4 (22... Bg5 23. Raf1 Qg8 24. R4f2 Bxe3 25. Nxe3 Nxd4 26. Qc1 Rxf2 27. Rxf2 ) 23. Qe2 Nd3 24. Rxg4? <dubious> (24. Rff1 ) 24... Rf2 25. Bxf2 Qxg4 Decoy: g4 26. Qd2 (26. Qxg4 Nxf2+ Double attack (26... Nxf2+ Decoy)) 26... Kh7 (26... Bg5 and ♗lack can already relax 27. Qc2 ) 27. Bg3 ? <dubious> (27. Bg1 ) 27... Rf8 (27... Qxd4 seems even better 28. Qc3 Bc5 ) 28. Qe3 ? <dubious> (28. Qa5 Qxd4 29. Qb5 ) 28... Bg5 29. Qg1 Qe2 30. h4 (30. Qd1 is not much help Qxb2 31. Rb1 Qxd4 30... Be7 (30... Qg4 makes it even easier for ♗lack 31. hxg5 Qxg3 ) 31. Qe3 an oversight. ♗ut White was lost anyway. (31. Kh2 Rf3 32. Rb1 ) 31... Qg4 32. Bh2 (32. Rb1 a fruitless try to alter the course of the game) 32... Rg8 (32... Nf2+ and ♗lack wins 33. Kg1 Bxh4 34. Qc1 ) 33. Rg1 (33. Qg1 ) 33... Qh3 34. Qe2 Rf8 35. Rf1 Qg4 Decoy: g4 36. Qxg4 (36. Re1 hoping against hope Nf2+ 37. Kg1 Qxe2 38. Rxe2 Nh3+ 39. Kh1 Rf1+ 40. Bg1 Nxg1 41. Re1 Rxe1 42. Nxe1 ) 36... Rxf1+ (36...<-12.06> Rxf1+ 37. Bg1 Nf2+ 38. Kh2 Nxg4+ 39. Kh1 Ba3 ) 0-1

The above may be of interest to those seeking help.

Sep-09-09  BOSTER: The studing today's position I have made a small conclusion. This is no a secret that all pieces(and pawns) create the lines of force. Maybe, this is only maybe,(honestly, I have never read about this crazy idea), sometimes the interaction of such lines creates a blind spot-a space ( for ex. one square) which is unvisible for us. Can I explain this? My answer-is No. G4 square looks like a blind spot.
Sep-09-09  MaczynskiPratten: Did not get this :-( A good puzzle though. Looks like knight fork week. I was looking for forcing moves but did not realise Qg4 was forcing because Rf1+ only seemed to get back a R for a Q - missed the fact it had set up a knight fork from scratch!
Sep-09-09
Premium Chessgames Member
  dzechiel: <<Archswindler:>Also, why can't the puzzles where black is to move have the board flipped?>

I have two books in my chess library that have the black pieces at the bottom of the diagram when black is the victor. All I can say is that it is disconcerting to look at a diagram from a completed game and not have white moving up the board.

(I can already hear a number of people asking me how I know if the game is complete, and I don't really have a good answer for that. But when I play online I do like to have my pieces moving up the board [perhaps it's because <I> started the game and my frame of reference has been fixed from the beginning]).

But, when presented with a static position from a game I didn't play, I always want to have white at the bottom moving up.

(One of the books mentioned above was by Andy Soltis, a favorite chess author of mine. I wrote to ask about the upside-down diagrams, and while he has written back on other topics, I received no reply on this one. I suspect the he had no input on the diagrams, but I suppose it could have been his decision).

I would be interested in an informal poll on this issue. You can post your thoughts in my forum if you have passionate feelings on this issue, one way or the other.

Sep-09-09  Athamas: Hmm it appears you are right <al wazir>. I thought the passed e-pawn would give black a harder time but it seems black wins easily after trading down.
Sep-09-09  ZUGZWANG67: Obviously, the BQ is the defender to get rid of. I found 35. ...Qg4, because either 36.Qxg4 Rxf1+ 37.Bg1 Nf2+, or 36.Qd1 Qxd1 37.Rxd1 Nf2 + wins a R. A little more complicated then expected, tough.

Time to check (GULP!)

-----

Yes! :)

Sep-09-09  ZUGZWANG67: To be honest, I struggled a bit on it, as 35. ...Qg4 was not quite obvious until I really realised that B had to get rid of the WQ to make the mate threat pay.
Sep-09-09
Premium Chessgames Member
  Jimfromprovidence: <wals> <20. g4 ?? <blunder> allows the opponent back into the game (20. Qd2 and White hangs on)>

Thought this was the losing move. Did not see 20 Qd2 but instead 20 g3.


click for larger view

This move seems to keep white out of trouble as well.

Sep-09-09  zb2cr: Rotgut. I missed this one badly, never even considered the passive offered Queen sacrifice on g4.
Sep-09-09  FlashinthePan: My 1st hunch was 35...Qg4 for the deviation, but it took me some time to validate it, because I first thought Rxf1 was mate, and then saw Bg1 covering the check for White. So I ruled out Qg4 for some time and embarked on analysing Bxh4, to no avail, of course. Failing to see a better move, I then resumed analysing Qg4 and at last found Black's 36...Nf2, which made the win obvious... but I'd lost 10 minutes in the process.
Sep-09-09  WhiteRook48: missed it
Sep-09-09  ku0826: I could pick-up Black Queen in any moves. But could't find out Qg4. It's deep thought tactical move.
Sep-09-09  Summerfruit: Material is even.

35...Qg4!

a) 36.Qxg4 Rxf1+ 37.Bg1 Nf2+ 38.Kh2 Nxg4+ 39.Kh1 (Kg3/Kh3 Rxg1 40.Kxg4 Rxg2+): Black is a rook up

b) 36.Rf2 Rxf2 37.Qxg4 38.Rf1+: transposes to a)

c) 36.Re1 Nf2+ 37.Kg1 Nh3+ 38.Kh1 Qxe2 39.Rxe2 Rf1+ 40.Bg1 Nxg1 (41...Nf3# is threatened as well as 41...Nxe2) 41.Ne3 Nxe2 42.Nxf1: Black is a bishop up

d) 36.Qd1 Qxd1+ 37.Rxd1 Nf2+ 38.Bg1 Nxd1: Black is a rook up

Sep-09-09  Summerfruit: I missed the line:

e) 36.Rxf8 Qxe2 38.Re7+ Kg8 39.Rxe7 Nf2+ 40.Kg1 Nh3+ 41.Kh1 Qf1+ 42.Bg1 Qxg1#

Sep-09-09  ohfluckaduck: Wow, I love this web site. What a great move! Simply beautiful.
Sep-09-09  LIFE Master AJ: http://www.ajschess.com/lifemastera...

My analysis of this game. (Its in the CB format, you also have to unzip it.)

Sep-10-09
Premium Chessgames Member
  gofer: 35 ... Qg4

The following needs to be avoided...

36 Qxg4 Rxf1+
37 Bg1 Nf2+
38 Kh2 Nxg4+ winning

But if the queen moves then Rxf1# and if the queen
doesn't move then it needs to be supported

36 Rf2 allows Nxf2+
36 Rxf8 allows Qxe2
36 Nf4 allows Rxf4

So really 36 Re1 is forced.

36 Re1 Nf2+
37 Kg1 Nh3+
38 Kh1 Qxe2
39 Rxe2 Rf1+
40 Bg1 Nxg1 (threatening Nf3#)
41 Ne3 Nxe2+
42 Nxf1 Nxd4 winning easily

Time to check...

Sep-10-09
Premium Chessgames Member
  Once: Dang! Missed all the fun. A late day at the office combined with England vs Croatia (5-1 !!!!) meant no chess yesterday. And in the few moments I allowed myself to peak at the position, I came nowhere near 35...Qg4. Respect to all those who genuinely found it from the diagram.

Why is it such a hard move to spot? I'll do my usual and offer some home-spun theories:

1. Backwards moves are hard to spot. Most attacks involve pieces moving forwards - leaping into the attack from a defensive position. This is not the first time that we have struggled to find a retreating move, either as an attacking or defensive motif. It is more usually a bishop retreat that we find difficult.

2. Moves that are not checks or captures are harder to find. Our conditioning is to attack with "moves that smite" (Purdy).

3. We generally attack by bringing up more reserves. It is unusual to move an already well-positioned piece. In today's starting position, I wanted to do something with the Be7, but didn't think to move the apparently wonderfully placed black queen. I can't recall which chess writer described this as "inviting every one to the party".

4. We are instinctively cautious about leaving two or more pieces en prise. With Rxf8 hanging in the air, it seems foolhardy to allow Qxg4 as well.

5. This is an occasion where the dictum "examine every check and capture" doesn't work, as the winning move is neither a check nor a capture! Instead, we need to find this one on general principles - ie look for a way to deflect the white queen from the defence of the Rf1.

6. The killer follow-up is the knight fork of h1 and g4. But this is hard to spot from the starting position as g4 is an empty square. Much easier to spot knight forks if both target squares are occupied.

Incidentally, Fritz finds an alternative solution. Whilst 35...Qg4 is certainly best (-5.2), black can also exchange rooks to get a very comfortable edge. A pragmatic solution would have been 35...Rxf1 36. Qxf1 Kg7


click for larger view

Fritzie says -1.5. Not a clear win by any means, but an easy position to play as black.

Sep-10-09  LIFE Master AJ: By the way, the above is a ... ... ...

FREE DOWNLOAD!!!! (Check it out.)

Sep-11-09
Premium Chessgames Member
  kevin86: A great finish,poor queen has nowhere to go. :(
Sep-13-09  Formula7: I considered almost every OTHER move before stumbling upon Qg4. It took about an hour...
Sep-14-09  LIFE Master AJ: Did anyone try the download yet?
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