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Mikhail Ulybin vs Lucian-Ioan Filip
Predeal Open (2007), Predeal ROU, Aug-??
English Opening: Symmetrical. Normal Variation (A34)  ·  0-1

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Jul-04-15  PhilFeeley: Nice combination, but I think white resigned too soon. What happens after 31. Rxc5+? Whose passed pawn gets further?
Jul-04-15  jith1207: <Penguincw> If you look back kibitz from two days ago, I saw someone jinxed it in the comments at the mention of 3.5/4 :-)
Jul-04-15  jith1207: I first thought it was a rather relatively easy combination starting with Rxh2 (As Bishop taking queen at that time would be a checkmate) but after realizing the possibility of Bh3, still found move until the Queen was exchanged for White's Bishop and later the queen. I missed that combination where Black queen just captures the White Bishop that compels to let its own Queen get discovered and captured. That was a nice combination, may be things looked easier to the eye that I did not study close enough to see all these possibilities. Should spend more time, more deeper and careful. But still even If I had found all those moves, there is still an endgame to be played and am not sure what suggested White to resign? I am not finding the answer so far.
Jul-04-15  Moszkowski012273: Are these moves correct? 28.Rg8???...
If so then black missing 28...Bc6 after all that great play is simply ridiculous.
Jul-04-15  kpjak80: Wouldn't black mate white in 4 if he played 28 ...Bc6 instead of Nf5?
Jul-04-15  xyfalcone: Black misses the checkmate, then white retires a few moves later anyway with a long endgame ahead, I have looked back on games I have won (not many) and cringe at how my opponent could have foiled my attack but gave up or was intimidated!
Jul-04-15  morfishine: A tricky position in that one must carefully review the entire board, lest they overlook something as simple as the DSB being en prise. Also, a useful tool for such a position as today's POTD is to flip the board and view from the Black side.

<Phony Benoni> Double-Deflection Skewer: I'll second that! What a gorgeous concept: The White Bishops desperately try to hold the position together, but the Black Rooks rip the structure to shreds punctuated by a pseudo-Queen sac snaring the hanging White Queen

I got as far as <20...Rxh2> once I mentally discarded, finally, 20...Qxg3

<Moszkowski012273> Good point, I hadn't really gotten around to going over the entire game

*****

Jul-04-15  wooden nickel: 20... Rxh2 and 21.Kf1 doesn't work, although Black's queen and bishop are hanging. 21... Nd4! attacking the queen and threatening mate upon Rh1, if 22.cxd4, then 22... Bb5+!


click for larger view

21.Bh3 looked like a spoiler, but at least still gives Black a slight advantage 21... R2xh3 22.gxh3 Bd6


click for larger view

The actually played 21.R8xh3!! really impressed me,
I simply missed the following 22...Qxg3+!!

Jul-04-15
Premium Chessgames Member
  Penguincw: < jith1207: <Penguincw> If you look back kibitz from two days ago, I saw someone jinxed it in the comments at the mention of 3.5/4 :-) >

Yes, and it was <Karne>! B Bok vs M Bluvshtein, 2011

I wanted it to keep it confidential, but if you ask. :)

Jul-04-15  dfcx: white has an extra pawn with double threats of fxe7B and Bxc7Q. But white's h file is open.

20...Rxh2

A. 21.Bxc7? Rh1#
B. 21.Bxh2 Qxh2+ 22.Kf1 Bxf6
C. 21.f4 Rh1+ 22.Kf2 Rxe1 23.Rxe1 Bxf6
D. 21.f3 Qxg3 mate next

Is it this easy? time to check.

Missed the defense 21.Bh3. R8xh3!

Jul-04-15  Eduardo Leon: I saw this much:

<20...♖xh2 21.♗h3>

Not 21.♗xh2 ♕xh2+ 22.♔f1 ♗xf6.

<21...♖8xh3! 22.gxh3 ♕xg3+ 23.hxg3 ♖xc2 24.fxe7 ♘xe7>

With material advantage. Everything seems pretty forced, so I don't see the need to calculate any other lines.

Jul-04-15  Eduardo Leon: Another possibility I considered was 24...e5, since the e7 pawn is doomed anyway.
Jul-04-15  patzer2: Here's my look at the game and the Saturday puzzle (21...?) with the chessgames.com opening explorer (OE) and Deep Fritz 14:

<1. c4 c5 2. Nc3 e6 3. Nf3 Nf6 4. e4 Nc6 5. Be2 d5 6. e5> Here 6. e5 is not a terrible move, but it's not the most popular choice as it allows Black easy equality with strong counterplay early in the opening.

Fritz rates 6. e5 as equal but inferior to the popular alternative 6. exd5. OTB results in the OE database support the conclusion that 6. exd5 is better than 6. e5.

With 6. exd5 White won 41.3% and lost 12% of 75 games in the OE with 6. exd5, but with 6. e5 White won only 25% and lost 25% of 12 games.

So my preference is in favor of the popular choice 6. exd5, as in White's strange win in Khalifman vs G Meier, 2013, where Black resigned in a drawn position.

<6... Ne4 7. O-O Be7 8. Qa4 Bd7 9. Qc2 Nxc3 10. dxc3 Qc7 11. Bf4 dxc4 12. Bxc4 h6 13. h4 g5 14. hxg5?> Giving Black the open h-file with tempo has to be a mistake.

Instead, White should play 14. Bg3 when play might continue 14...gxh4 15. Nxh4 Nxe5!? 16. Qe2 Bd6 17. Nf5! Nxc4 (17... exf5 18. f4 ) 18. Bxd6 Nxd6 19. Qe5 Rg8 20. Nxd6+ Kf8 21. Rad1 Bc6 22. g3 = (0.00 @ 23 depth, Deep Fritz 14).

<14... hxg5 15. Bg3> Not 15. Bxg5?? Nxe5 16. Nxe5 Qxe5 17. f4 Qe3+ 18. Qf2 Qxf2+ 19. Rxf2 f6 when White's Bishop is trapped.

<15... O-O-O> As a result of 14. hxg5?, Black now has a clear advantage with a strong attacking initiative and good winning chances.

<16. Rfe1 Rh5 17. Nh2 Rdh8 18. Be2?!> Fritz indicates this is the losing move. However, White is in trouble even with best play.

White can put up more resistance with 18. Rad1 R5h6 19. Qd3 Bd8 20. f4 Na5 21. fxg5 Bxg5 22. Nf3 Nxc4 23. Qxc4 Be7 24. Qf4 R6h7 25. c4 Bc6 (-1.50 @ 21 depth) but Black still has a clear advantage and a strong attack.

<18... R5h6 19. Bg4> If 19. Bc4, Black wins after 19...Na5 20. Be2 f5 21. f4 Bc6 22. Rad1 c4 23. Nf3 Bc5+ (-4.76 @ 20 depth).

<19... f5 20. exf6 Rxh2!> This strong move solves our Saturday puzzle.

<21. Bh3 R8xh3 22. gxh3> Not 22. Bxc7?? Rh1#.

<22... Qxg3+ 23. fxg3 Rxc2 24. fxe7 Nxe7> Fritz indicates black is clearly winning after the forced sequence leading up to 24...Nxe7 (-2.68 @ 21 depth, Deep Fritz 14).

Though Black has an apparently won game, White plays a few more moves before resigning.

<25. Re5> If 25. Rab1, Black wins quickly after 25...Bc6 26. Rxe6 Nf5 (-3.98 @ 20 depth).

<25... Nf5 26. Rf1 Nxg3 27. Rf8+ Kc7 28. Rg8 Nf5> This wins but much stronger is 28... Bc6! when play might continue 29. Rg7+ Kb6 with mate-in-three to follow.

<29. Rxg5 Rc1+> This wins but stronger is 29... Rxb2 30. Rxc5+ Bc6 31. Rg6 Rxa2 32. Rxe6 Ng3 (-4.86 @ 21 depth, Deep Fritz 14).

<30. Kf2 Rh1 0-1> White resigns in lieu of 31. Rxc5+ Kd6 32. Ra5 a6 (-2.28 @ 20 depth, Deep Fritz 14).

Jul-04-15  OutOfSync: I was looking at 28… Bc6 to threaten 29…Rg2 mate.
Jul-04-15
Premium Chessgames Member
  Sally Simpson: Really nice and a pity the mate was missed.

Not sure if the score is correct, it appears as if after move 27 someone else sat down behind the Black pieces.

A screw up in notation is possible.


click for larger view

White could have played 28.Rg5 (misread as 28.Rg8) that explains the 28...Nf5.

Also possible is Black time trouble with the first control at move 30. Once Black made move 30. White resigned.

Jul-04-15  Shoukhath007: bang bang amazing combination
Jul-04-15  Zhbugnoimt: 1...Rxh2! 2.Bxh2 Qxh2+ 3.Kf1 Nd4! 4.cxd4 Bb5+ and mate next.
Jul-04-15  Shoukhath007: anand played amazing move g6 computer also can't find that amazing move. https://m.youtube.com/watch?v=lTxVt...
Jul-04-15  wooden nickel: <Sally Simpson: Really nice and a pity the mate was missed.> Glad you pointed that out:
28... Bc6! and White's king is trapped like a rat!
Jul-04-15
Premium Chessgames Member
  offramp: A reverse spinning DOUBLE Stoke-Adams. Very rare.
Jul-04-15  agb2002: Black is one pawn down.

White threatens 21.Bxc7, 21.fxe7 and 21.Bxe6.

The first idea that comes to mind is 20... Rxh2 21.Bh3 (21.Bxc7 Rh1#; 21.Bxh2 Qxh2+ 22.Kf1 Bxf6 and if 23.Bxe6 Bxe6 24.Rxe6 Qh1+ wins a piece at least) 21... R2xh3 22.gxh3 (22.Bxc7 Rh1#; 22.Kf1 Rh1+ 23.Ke2 Rxe1+ 24.Rxe1 Bd6 wins a piece) 22... Bd6 and Black has a bishop and a knight for a rook and a pawn.

Another option is 20... Bd6 but after 21.Bxd6 Qxd6 22.Bh3 Rxf6 (22... g4 23.Nxg4) 23.Ng4 White seems to have solved all the problems.

I think I'd play 20... Rxh2. I don't have more time for today's puzzle.

Jul-04-15  1 2 3 4: Not difficult, solved it all the way through 24...Nxe7
Jul-04-15
Premium Chessgames Member
  offramp: <Sally Simpson>, Geoff,I agree that 28.Rxg5 was the likely move. I also think that the next move was 29.Rg2.
Jul-04-15  CHESSTTCAMPS: White threatens Bxc7 and f6xe7, but black has counter-play on the h-file. The best line appears to be 20...Rxh2 21.Bh3! ([Bxc7?? Rh1#] 21.Bxh2?? Qxh2+ 22.Kf1 Nd4!! 23.cxd4 Bb5+ followed by 24... Qh1#) 21... R2xh3 22.gxh3 Bd6 23.Bxd6 Qxd6 24.Rad1 Qf4 25.Qd3 Ra7 and black has B+N for P+R in a position where black's king looks safer. That's all I have time for tonight. Time for review...
Jul-04-15  CHESSTTCAMPS: Ouch - I missed the point of 21... R8h3, so I rejected it without consideration. Pretty though.
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