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Meylis Annaberdiyev vs Aleksander Delchev
Bled Olympiad (2002), Bled SLO, rd 13, Nov-08
Pirc Defense: Classical. Schlechter Variation (B08)  ·  0-1

ANALYSIS [x]

FEN COPIED

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sac: 28...Rxg2+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
Nov-12-02  bishop: 8.cxd6 is not good, 0-0-0 is the right move.
Nov-13-02  drukenknight: bishop here is a quite similar opening where Spassky agrees w/ you not to take the pawn:

Spassky vs Fischer, 1972

still I have seen people take the pawn and get away with it.

Jan-03-22  Brenin: White's hanging Q suggests 28 ... Rxg2+ 29 Kxg2 (Kh1 Rxf2) Bh3+ 30 Kxh3 Qxd6, giving Black Q+R+4P vs 2R+N+2P.
Jan-03-22  mel gibson: I saw that.
What a way to swindle the White Queen.

Stockfish 14 says:

28... Rxg2+

(28. .. Rxg2+ (♖g4xg2+ ♔g1xg2
♗e6-h3+ ♔g2xh3 ♕f6xd6 ♖f1-e1 ♖c8-a8 ♖c1-c2 ♖a8-a3+ ♔h3-h2 ♔g8-g7 ♖e1-e2 ♕d6-d8 f2-f3 ♖a3-a4 ♘e5-g4 h6-h5 ♘g4-e3 ♖a4-h4+ ♔h2-g1 ♕d8-g5+ ♘e3-g2 ♕g5-g3 ♖e2-f2 ♖h4-h2 ♖c2xc6 ♕g3-h3 ♔g1-f1 h5-h4 ♖c6-c4 ♖h2-h1+ ♔f1-e2 ♕h3-e6+ ♘g2-e3 h4-h3 ♖c4-c2 ♕e6-a6+ ♔e2-d2 ♕a6-d6+ ♔d2-c3 ♕d6-g3 ♘e3-d5 h3-h2 ♔c3-c4 ♕g3-g1 ♘d5-e3 g6-g5) +6.89/34 421)

score for Black +6.89 depth 34.

Jan-03-22  saturn2: 28...Rxg2+
29.Kxg2 loses the queen therefore
29. Kh1. I had 29....Qg5 then but the engine says 29...Rg5 is better.
Jan-03-22  Cheapo by the Dozen: Not only does Black get queen and pawn for rook and bishop, but he also saves the otherwise indefensible pawn at c6.

He may even be able to snatch White's a-pawn without giving up his c-pawn in return, but I'm less sure about that.

Jan-03-22  mel gibson: <Jan-03-22 saturn2: 28...Rxg2+ 29.Kxg2 loses the queen therefore
29. Kh1. I had 29....Qg5 then but the engine says 29...Rg5 is better.>

Of course we must investigate if the White King declines the Rook -

Stockfish 14 says it's mate in 14:

28. Ne5 Rxg2+
29. Kh1

(29. Kh1 Rg5 (♖g2-g5
f2-f4 ♖g5-g3 ♘e5-f3 ♕f6-f5 ♖f1-f2 ♕f5-h5+ ♘f3-h2 ♗e6-d5+ ♕d6xd5 ♕h5xd5+ ♘h2-f3 ♖g3xf3 ♔h1-g1 ♖f3xf2 ♔g1xf2 ♕d5-d2+ ♔f2-g3 ♕d2xc1 ♔g3-g2 ♕c1xf4 ♔g2-h1 ♕f4-f2 a2-a4 ♖c8-e8 a4-a5 ♖e8-e1+) +M14/58 1280)

Black wins mate in 14.

Jan-03-22
Premium Chessgames Member
  al wazir: What happens after 26. gxh3 Qxf3 27. Qd7 ?
Jan-03-22  Schwartz: 26. gxh3 Qxf3 27. Qd7 Rce8 28. Rc2 R8e5
Jan-03-22  agb2002: Black has a bishop and a pawn for a knight.

White threatens Nxg4.

The white queen is defenseless. Hence, 28... Rxg2+:

A) 29.Kxg2 Bh3+ 30.Kxh3 Qxd6 - + [q+2p vs R+N].

B) 29.Kh1 Rxf2 (threatens Qh4+ and Rxf1+; 29... Rg5 should be winning) 30.Rxf2 Qxf2

B.1) 31.Nxc6 Qh4+

B.1.a) 32.Kg1(2) Qg5+ 33.Kf2 Qxc1 34.Ne7+ Kh7 35.Nxc1 Qxc1 - + [b+2p].

B.1.b) 32.Qh2 Bd5+ 33.Kg1 Qg5+ 34.Kf2 Bxc6 wins decisive material.

B.2) 31.Rxc6 Qf1+ 32.Kh2 Qf4+ wins decisive material. For example, 33.Kg1 Rxc6 34.Qd8+ Kh7 35.Nxc6 Qg3+ 36.Kh1 (36.Kf1 Bc4+ and mate next) 36... Qf3+ and 37... Qxc6.

Jan-03-22  Vermit: But absolutely not 30... Bxd5+
Jan-03-22  parch: 28...R:g2+ 29.Kh1

(29.K:g2 Bh3+ wins the Queen )

29...Rg5 30.f4 Rg3 31.Nf3 Qf5 32.Qd2 Bd5 33.Qh2 B:f3+ wins.

Jan-03-22  Alnoris: Well not that easy
Jan-03-22  stacase: After a while it becomes apparent that moving the Bishop discovers an attack on White's unsupported Queen. Hmm what to do about that juicy observation. Then! it was easy.

<Alnoris: Well not that easy> Yeah, "after a while" was probably nearly a minute of slogging around looking for a way to capitalize on White's pinned g2 Pawn.

Jan-03-22  TheaN: Actually took a couple of minutes on this one, simply because declining the sacrifice puts Black into a bit of a bind how to continue.

<28....Rxg2+> is 'free', as 29.Kxg2 Bh3+ (not Bd5+? 30.Qxd5! ±). After <29.Kh1> you start looking at some of the crazy moves.

One I spend a long time on was 29....Qh4+, but was not convinced after 30.Kxg2 Bh3+ 31.Kg1. Apparently it <does> win after 31....Qg5+ ∓, albeit a lot slower.

No, after that I went back to the position after Kh1 and asked myself the question "where exactly are the White threats?" and realized there are none. I decided to just retreat <31....Rg5 -+>, and this is indeed the best move. Complicated variation for a Monday.

Jan-03-22  TheaN: Perhaps worth a mention is 28....Rxg2+ 29.Kh1 Rg5 30.f4 Rg3! -+ and the king is in real trouble.
Jan-03-22
Premium Chessgames Member
  chrisowen: I ule it is no good a Rxg2+ forth arrives odd borsch tithe ule it is no good a jap pat tack mack bag gab gamble figs i with q wrack i chud duel it velocity joop with i mack knuckle ae it z bigot hads adam dub off gab gob beg fly scarob fog vito ha iota either axiomed jedi creeds bath bee ye flushed hoddle mile x bent back ulcer ie o chacha quick ja cuffed blush bah has goof dank chucked feel it good candid dane flick safer jail ice bucket i c redder feb hag be i jack c lid lacks feel mc bled lied it sufi hid it na deck ji re dad c bell eg fit v ho look grub bic grabs hook rub of mill ami les coke evening birdsong slimeball rakes dean it inched it verdict lakers dean its magi c too see lol song no hi pan cor alek queen blunder gnoth seauton jo it nero Rxg2+ fag;
Jan-03-22  AlicesKnight: Saw the game continuation quickly and was surprised that White took the R; the win is there but far less defined (certainly for a Monday) if Kh1 is played.
Jan-03-22  johnnydeep: I blew it. Sadly, I didn't see that the white queen would be en prise after the bishop check.
Jan-03-22  Whitehat1963: Missed another Monday. I guess I need to look longer at Monday puzzles and try to refute my solutions before I stop trying to figure it out. Like I would on Tuesdays through Fridays. I do not even pretend I have a chance to solve weekend puzzles!
Jan-03-22  King.Arthur.Brazil: I prefer the sequence: 30. ♔xh3 ♕xd6 31. ♘g4 ♕e6 32. ♔g3 f5 33. ♘e3 ♖a8 in which case, Black attack seems more promising... computers are too much tatically passive.

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