Ahmed Adly vs Viktor Laznicka (2007)

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Ahmed Adly vs Viktor Laznicka
World Junior Championship (2007), Yerevan ARM, rd 8, Oct-11
Formation: King's Indian Attack (A07) · 1-0

ANALYSIS [x]

FEN COPIED

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< Earlier Kibitzing · PAGE 2 OF 2 · Later Kibitzing>
Oct-09-08		TITIKIZA: even 28.Qf8+!! was working!!!

May-30-12		vinidivici: 23. Nf6....wow is it sound>??

May-30-12		vinidivici: is it 23> Nf6 is that strong...? any refutation of that sacrifice?

May-30-12		vinidivici: someone?

May-31-12		vinidivici: nobody?

Jul-10-13		notyetagm: Subject: !!!!!! CG.COM: Beautiful example of problem of missing bishop: Black cannot defend d6(!), no dark-squared bishop From: Hall Jeffrey S NPRI To: 'gmnotyet.chess@gmail.com'; 'gmnotyet@gmail.com' Date Sent: 10/15/2007 11:32:51 From http://www.chessninja.com/dailydirt...: click for larger view <Here's a diag from Adly's crushing win over Laznicka in round 8. White to play. A rather one-sided diagram I admit, but the finishing maneuver is cute in how totally helpless Black is to stop it. 26.Bf4! and other than losing half his material there is nothing Black can do to prevent Bd6 with Qf8+ (or Qg7+) and Nh6 mate. The game finished: 26..Rc8 (26..Ncd4 27.Nxd4 cxd4 28.Rxe6! fxe6 29.Qg5+ Kf8 30.Bd6+! Ouch.) 27.Bd6 Ncd4 28.Qg7+ 1-0. Unfortunately for Egypt's favorite sun (god), Adly lost to Wang Hao and Popov in the next two rounds.> That sure is a nice variation pointed out by Mig in the notes there: {26 … Nc6-d4 27 Nf5xNd4 c5xd4 28 Re1xNe6! <remove the guard of g7> f7xe6 29 Qh6-g5+ Kg8-f8 30 Bf4-d6+! <Black d7-queen overworked defending d6,g7> click for larger view These lines are all beautiful tactical variations but notice Black's underlying strategic problem: Black is defenseless to stop these beautiful mating ideas because he does -not- have a <DARK-SQUARED BISHOP> to defend the critical d6-dark square. Also notice the immense power of the White <KILLER PAWN>, the f6-pawn. ---- GAME COLLECTIONS 1) REMOVE THE GUARD 28 Re1xNe6! destroys the Black e6-knight defender of g7-mating square 2) OVERWORKED 30 Bf4-d6+! Black d7-queen cannot defend both the d6- -and- g7-squares 3) DEFENDING ONE SQUARE IS A FULL-TIME JOB 30 Bf4-d6+! Black d7-queen must defend the g7-mating focal point [Event "WJun"] [Site "Yerevan ARM"] [Date "2007.10.11"] [Round "8"] [White "Adly,A"] [Black "Laznicka,V"] [Result "1-0"] [WhiteElo "2494"] [BlackElo "2610"] [EventDate "2007.10.03"] [ECO "C00"] 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Nf6 6. Bg2 Be7 7. O-O b6 8. Re1 Bb7 9. e5 Nd7 10. c4 Qc7 11. cxd5 exd5 12. d4 Nf8 13. Nf1 Ne6 14. dxc5 bxc5 15. Ne3 d4 16. Nd5 Qd7 17. Nd2 Nb4 18. Nxe7 Bxg2 19. Nf5 Bd5 20. Ne4 Kf8 21. a3 Nc6 22. Qh5 d3 23. Nf6 gxf6 24. Qh6+ Kg8 25. exf6 Re8 26. Bf4 Rc8 27. Bd6 Ncd4 28. Qg7+ 1-0

Nov-19-16		MissScarlett: <Ahmed and dangerous>

Oct-03-21		Brenin: 23 Nf6 is begging to be played here. If 23 ... gxf6 then 24 Qh6+ Kg8 (if 24 ... Ke8 then 25 Qxf6 looks strong, and 24 ... Ng7 25 Qxg7+ leads to mate) 25 exf6, and with Black's N on e6 tied to defending against mate on g7, White's DSB can join the attack via 26 Bf4 and 27 Bd6, with the threat of 28 Qg7+ Nxg7 29 Nh6 mate. Even giving his Q with 27 ... Qxd6 loses to 28 Rxe6 and 29 Qg7 mate.

Oct-03-21		mel gibson: I was wrong as I thought either Knight to d6 was the answer. I checked and that gives little or no advantage. Stockfish 14 says: 23. Nf6 (23. Nf6 (♘e4-f6 g7xf6 ♕h5-h6+ ♔f8-e8 ♕h6xf6 ♕d7-d8 ♕f6xh8+ ♔e8-d7 ♕h8xh7 ♕d8-g8 ♕h7xg8 ♖a8xg8 ♖e1-e3 ♘e6-f4 ♔g1-f1 ♘c6-d4 ♘f5xd4 c5xd4 ♖e3-e1 ♘f4-g6 f2-f4 ♘g6-e7 f4-f5 ♘e7xf5 ♗c1-f4 ♖g8-h8 h2-h4 ♖h8-c8 ♖a1-d1 ♖c8-c2 h4-h5 ♔d7-e8 h5-h6 ♔e8-f8 e5-e6 f7xe6 ♖e1-e5 ♖c2xb2 ♔f1-e1 ♔f8-g8 ♖d1xd3 ♔g8-h7 ♖d3-d2 ♖b2-b7 ♖d2-d1 a7-a5 ♖d1-c1 a5-a4 ♖c1-c5 ♔h7-g6 ♖e5xd5 e6xd5 ♖c5-c6+ ♔g6-f7 g3-g4) +3.02/38 200) score for White +3.02 depth 38

Oct-03-21		al wazir: Too many candidates.

Oct-03-21		An Englishman: Good Evening: Not just another 5/7 week; no, this week, solved Saturday and Sunday. Flubbed Wednesday and Thursday. Sigh.

Oct-03-21		Checker2: Nicked by a knife

Oct-03-21		Brenin: After 23 Nf6 Black can decline the offered sac with 23 ... Qd8, but then 24 Bh6 adds to the K-side pressure, since 24 ... gxh6 25 Qxh6+ Ng7 26 Qxg7 is mate.

Oct-03-21		goodevans: <Brenin: After 23 Nf6 Black can decline the offered sac with 23 ... Qd8, but then 24 Bh6 adds to the K-side pressure...> Yes, indeed, but it nevertheless seems to me that 23...Qd8 puts up the most challenging defence. Here's one idea based on 'active defence': 23.Nf6 Qd8 24.Bh6 Ncd4 25.Nd6 Nf3+ 26.Kf1 Nxh2+ 27.Qxh2 Bf3. click for larger view Black has conceded a N for a P but he's temporarily delayed White's attack and may even be able to generate a few more threats of his own. Don't get me wrong. I'm not saying it's a refutation of 23.Nf6. Merely that it poses White a few more problems that 23...gxf6 does.

Oct-03-21		Messiah: Not very-very difficult, but nice, anyway.

Oct-03-21		chrisowen: Timings ivory nf6 handle a duck knick revamp guv timings ivory jack jump quilt its timings ivory manages basically whicker cried it o vedas due it x flushy its pack quango winch its jeremy its fully duck evisceral revamp boson z it lava v ibson fanfare its tiffany hug fluff dank gen ko so pear vagabond dine it ok flag it zilch clocked it nope do ya blend its dem clock fit hang cob ditto army v dead vociferous ivory me it tick lyre its hoof its wu as ivory apostle it duck bezel it Nf6 zip?

Oct-03-21		chrisowen: Trounce bad i key f6 no?

Oct-03-21		chrisowen: Cried v it wolf at it the door no?

Oct-03-21		1stboard: Doesn't 28 Qf8+ , black any recapture , 29 Nh6 ++ work also ?

Oct-03-21		Brenin: <goodevans>: Yes, your line 23 Nf6 Qd8 24 Bh6 Ncd4 25 Nd6 Nf3+ 26 Kf1 Nxh2+ 27 Qxh2 Bf3 offers Black chances of counterplay. Another possibility is 23 Nf6 gxf6 24 Qh6+ Ke8 25 Qxf6 Qd8 26 Qxh8+ Kd7 27 Qxh7 Qg8; this looks odd, as Black is the exchange and 2P down and surely wants to keep Qs on the board, but 28 Qxf7+ was threatened, and after 28 Qxg8 Rxg8 all his pieces are well-placed, whereas White's development is poor, White has weaknesses around his K, and Black's P on d3 could be a threat. Again, not a refutation, but another line where White has more work to do.

Oct-03-21		Brenin: <1stboard>: Yes, 28 Qf8+ delivers mate next move. I like 28 Qg5+ Nxg5 29 Nh6 as the most economical mate. It's remarkable how helpless Black is in this line.

Oct-03-21		agb2002: Black threatens Bxe4 followed by d2. White has Ned6, Nfd6, Nf6, Bh6 and Nxg7. After 23.Nxg7 Nxg7 24.Bh6 Bxe4 25.Rxe4 Nd4, followed by by Nde6 and Black seems to hold. ----- 23.Ned6 allows 23... Ncd4 aiming at f3. ----- 23.Nfd6 releases some pressure on the dark squares around the black king. ----- 23.Bh6 Bxe4 24.Rxe4 gxh6 25.Qh6+ Ke8 26.Nd6+ Kd8 27.Rdc1, unclear. ----- 23.Nf6 gxf6 (23... Qd8 24.Nd6 Nc7 [24... g6 25.Qh6+ Ng7 26.Nxd5) 24.Qh6+ A) 24... Ke8 25.Qf6 Rg8 26.Nd6+ Kf8 27.Bh6+ Ng7 28.Nf5 looks good for White. B) 24... Kg8 25.exf6, with the threat 26.Rxe6 fxe6 27.Ne7+ Kf7 28.Qg7+, looks good for White. The defense 25... Re8 is met with 26.Bf4 with the same blocking idea (Bd6-Be7). ----- I'd play 23.Nf6.

Oct-03-21		goodevans: <Brenin> So Black passed up a couple of opportunities to drum up counterplay but at least what he played made for a very pretty mate. :o)

Oct-03-21		agb2002: I meant 27.Rd1 in the Bh6 line. Also, the subline for 23... Qd8 should end with '] 25.Nxd5'.

Oct-03-21		Stanco: I played 23.Nf6 I found 23...gxf6 24. Qh6+ Ke8 25. Qxf6 Rg8 26. Nd6+ Kf8 27. Bh6+ Ng7 28. Nf5 is winning. I didn't even check 24...Kg8 line, I thought to myself that one unwinds by itself...

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