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Stefan Wagner vs David Shengelia
Austrian Championship (2012), Zwettl AUT, rd 1, Jul-21
English Opening: Great Snake Variation (A10)  ·  0-1

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Mar-12-21  Refused: Best I could come up with was:
20...Rxh1
a) 21.Qxh1 Rh8 22.Qd1 Qh3+ 23.Kf2 Qh2+ 24.Kf1 (24.Ke1 Qg2) Qh1+ 25.Kf2 Rh2+ 26.Ke3 Qg2 and the threats of 27...Qf2 and 27...Ng4 means this is curtains.

b) 21.Qxg4 Rxa1 and here I claim my Rooks to be better than the Queen after something 22.Qe2 Rh8

Mar-12-21
Premium Chessgames Member
  al wazir: I got the first move right, but I was willing to settle for a either a ♙ or ♖+♖ vs. ♕: 21. Qxg4 (21. Qxh1 Nxd3) Rxa1 22. Qe2.
Mar-12-21
Premium Chessgames Member
  An Englishman: Good Evening: Also went with the "at best second best" variation which wins 2 R vs. Q. The game continuation proves superior even if White can improve with 24.Nd1,Bxb2!?; 25.Nxb2,Rh2+. Even here, Black might have something better than the win of a pawn.
Mar-12-21  Walter Glattke: Winning the Pd3 by that manoeuvre, 24.Rh1 Rxh1 25.Kxh1 Nf2+ /21. Qxh1 "refused" by Qf3+/ 21.Qxg4 Rxa1 22.Qe2 Kd7 23.b3 Looks good for black
Mar-12-21  Brenin: 24 Rh1 loses more than just the pawn on d3: after 24 ... Rxh1 25 Kxh1 Nf2+ 26 Kg2 Nxd3, the pawn on b2 is also going fall, leaving Black 2P ahead.
Mar-12-21  mel gibson: I wasn't sure.

Stockfish 13 agrees with the text:

(20. .. Rxh1
(♖h8xh1 ♕d1xg4 ♖h1-h2+ ♔g2xh2 ♘e5xg4+ ♔h2-g1 ♖d8-h8 ♘c3-e2 ♗g7xb2 ♖a1-b1 ♗b2-f6 ♖b1-e1 ♔c8-d7 ♗f4-c1 ♖h8-h3 ♗c1-f4 ♖h3-h2 d3-d4 g6-g5 ♗f4-c1 ♔d7-c8 a2-a3 ♔c8-d8 ♗c1-d2 ♔d8-d7 ♗d2-c1 ♔d7-c8 c4-c5 ♔c8-d7 ♗c1-d2 ♗f6-e7 c5xd6 c7xd6 a3-a4 ♗e7-f6 ♗d2-c1 a7-a6 ♗c1-d2 ♗f6xd4+ ♘e2xd4 ♖h2xd2 ♘d4-e6 ♖d2xd5 ♘e6xg5 ♖d5-d3 ♔g1-g2 ♘g4-e3+ ♔g2-h3 ♘e3-d5 ♖e1-b1 b7-b6 ♖b1-f1 f5-f4 ♘g5-e4) +5.15/42 115)

score for Black +5.15 depth 42.

Mar-12-21
Premium Chessgames Member
  opus: 20...Rxh1
21. Qxh1
Rh8
22. Qg1
Nf3
23. Qf1
Rh2#
Mar-12-21
Premium Chessgames Member
  chrisowen: Robots hive Rxh1 flusher abridge axled it ago quick quotient within darn robots ivor lump mrs book engine quicks in wage geni wasp pads huffle jazz cuvee its mojo gutty cab quick ie within darn Qd1 flagrant a bluff frazzled it jumps in Qe3 good a bind relight again i adds feel flushy door hood cool ha heart flasher Rxh1 ear!
Mar-12-21  Cheapo by the Dozen: I didn't see ... Rh2+ and went for ... Rxa1 instead. The engine thinks that's almost as good.
Mar-12-21  RandomVisitor: Better for white might have been 8.d3


click for larger view

Stockfish_21031012_x64_modern:

<47/63 29:06 +0.12 8.d3 h4 9.Bg5> f6 10.Be3 hxg3 11.fxg3 Bg4 12.Qa4 Qd7 13.Rf2 f5 14.Raf1 Nd4 15.Qxd7+ Kxd7 16.Bxd4 exd4 17.Nd5 Nxd5 18.cxd5 Rh7

or 5.Nf3


click for larger view

Stockfish_21031012_x64_modern:

<53/70 3:08:11 +0.28 5.Nf3 0-0 6.d4> exd4 7.Nxd4 Nbc6 8.Nf3 d6 9.0-0 Be6 10.Nd5 h6 11.e4 Ne5 12.Nxe5 dxe5 13.Bd2 c6 14.Ne3 a5 15.Qc2 f5

Mar-12-21
Premium Chessgames Member
  chrisowen: Black Jack h1 er o i net no bosch yes no?
Mar-12-21
Premium Chessgames Member
  agb2002: White is about to play Qxg4.

The only promising move I can find is 20... Rxh1:

A) 21.Qxg4 Rxa1

A.1) 22.Qg5 Rg1+ 23.Kf2 (23.Kxg1 Nf3+; 23.Kh2(3) Rh8+) 23... Bf6 seems to win decisive material (24.Qxf6 Ng4+ 25.Kxg1 Nxf6 26.Bg5 Rf8; 24.Qh6 Ng4+).

A.2) 22.Qe2 Rh8 23.Bxe5 (due to 23... Ng4 and 24... Rh2+) 23... Bxe5 followed by Rah1 looks very good for Black.

B) 21.Qxh1 Qf3+ 22.Kg1 (else 22... Rh8+ wins) 22... Qxd3 wins a pawn with an overwhelming position.

C) 21.Kxh1 Qh3+ 22.Kg1 Ng4 with the triple threat Bd4+, Qh2+ and Rh8.

Mar-12-21  mlskdney: should have played kf1 on move 25
Mar-12-21
Premium Chessgames Member
  drollere: like others, i got the first few moves, but didn't think it was more than an exchange off. Bd4+ is what i missed.

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