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Dmitry Andreikin vs Sanan Sjugirov
Russian Championship Superfinal (2012), Moscow RUS, rd 6, Aug-09
Caro-Kann Defense: Karpov. Smyslov Variation (B17)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Given 13 times; par: 26 [what's this?]

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Kibitzer's Corner
Aug-09-12  Sem: 12 ... a6 seems a waste to me.
Aug-09-12
Premium Chessgames Member
  Eyal: Yeah, 12...a6 seems like an almost pure waste of time and 13...Nbd5 in the next move doesn't help much either to hinder White's quick attack. Nbd7 is the main line on moves 11 & 12, and it was probably better on move 13 as well. After 16.g5 White already seems to be winning by force. 18...Nxh7 would lose to 19.Bxh7+ Kxh7 20.Qh5+ Kg8 21.Rxg7+! Kxg7 22.Bh6+ and mate in a few moves.
Aug-09-12  uscfratingmybyear: I hope this guy gets some big tourney invites soon, he is a tactical monster.
Aug-09-12  310metaltrader: nice mate in 3 for white.
Aug-10-12
Premium Chessgames Member
  HeMateMe: Busted!
Aug-10-12  KingV93: Great game. Amazing how a 2635 player gets wiped out in 23 moves, a tactical blitzkrieg.
Aug-11-12  Ulhumbrus: An alternative to 13...Nbd5 is 13...Nfd7 playing to simplify and on 14 Qe4 f5 obstructs the queen on the b1-h7 diagonal
Aug-28-12  chrisfalter: In the final position:

* 23...Nxf6 24. Qh4+ Kg7 25. Qg5+ Kh8 26. Qxf6+ Kg8 27. Qg5+ Kh8 28. Qh6+ Kg8 29. Qh7# * 23...Bxe5 24. Qh5+ Kg7 25. Qg5+ Kh8 26. Qh6#

Also, note that in the final position black's light-squared bishop and queen rook are idle on their starting squares.

Aug-31-12  Ulhumbrus: An alternative to 14 ...Bb4+ is 14...Nb4 attacking White's king's bishop. Did Sjugirov just touch the wrong piece?
Apr-03-15
Premium Chessgames Member
  wordfunph: "This game occurred after a free day and I was full of energy and felt like playing aggressive. Therefore I chose 1. e4."

- GM Dmitry Andreikin

Source: Chess Life 2015 April

Jun-06-20
Premium Chessgames Member
  An Englishman: Good Evening: Funny thing about these attacks arising from the f2, g2, h2 v. e6, f7, g7, h6 (or h7) formation--the absence of an e-pawn for White seems to facilitate his attack. A pawn on e3 would obstruct the dark-squared Bishop, a pawn on e4 would obstruct the Bd3, and a pawn on e5 means that a Knight can't use that square.
Jun-06-20  RandomVisitor: After 17...Bd6, a quick look with the computer shows that there are several moves that are playable.


click for larger view

Stockfish_20052313_x64_modern:

<41/83 16:38 +6.01 18.Nh7 Ne8> 19.Nxf8 Bxe5 20.Qxe5 Kxf8 21.Qh5 b5 22.Be4 Qd6 23.Bg5 f6 24.Bxf6 Ndxf6 25.Qh8+ Kf7 26.Bxa8 Qd4 27.Bf3 Qc4+ 28.Be2 Qxc2 29.Bh5+ Nxh5 30.Qxh5+ Ke7 31.Rg3 Bb7 32.Rd1 Qc4+ 33.Kg1 Bd5 34.Qg5+ Kf8 35.Rc3 Qe2 36.Rxd5 Qe1+ 37.Kg2 exd5

41/71 16:38 +4.72 18.Ngf3 Qc7 19.Bh6 Ne8 20.Re1 f5 21.Qd2 b5 22.Qg5 Ndf6 23.Qh4 Ra7 24.Bd2 Nh7 25.Ng6 Nef6 26.Nxf8 Bxf8 27.Ne5 Bb7 28.Ng6 Be4 29.Bc3 Qc5 30.Bxf6 Nxf6 31.Rg5 Bxd3+ 32.cxd3 Qd6 33.Qh8+ Kf7 34.Re3 Rc7 35.Qxf8+ Qxf8 36.Nxf8 Kxf8 37.Rxe6 Kf7

41/73 16:38 +4.56 18.Nh3 Kh8 19.Bg5 Qb6 20.Bxf6 Nxf6 21.Qd2 Nh7 22.Qf4 f5 23.Nc4 Qxb2 24.Nxb2 Bxf4 25.Nxf4 Rf6 26.Rd1 Nf8 27.Nc4 Bd7 28.Ne5 Be8 29.Be2 Rc8 30.h4 Kg8 31.h5 Ba4 32.Rb1 Rc7 33.c4 Nd7 34.Nxd7 Rxd7 35.Bf3 e5 36.Bd5+ Kh7 37.Ng6 b5

41/78 16:38 +4.36 18.f4 Ne7 19.Qg2 g6 20.Qh3 Kg7 21.Bd2 Bxe5 22.fxe5 Nh5 23.Qxh5 gxh5 24.Nxe6+ Kh8 25.Nxd8 Rxd8 26.Bg5 Rxd3 27.Bf6+ Kh7 28.cxd3 Ng6 29.Kf2 a5 30.Ke3 Be6 31.Rgc1 Ra6 32.Rc5 Rb6 33.b3 a4 34.bxa4 Rb2 35.d4 Bg4 36.d5 Rxh2 37.a5 Re2+

41/70 16:38 +3.75 18.Ng4 Re8 19.Qf3 Qc7 20.Nxf6+ Nxf6 21.Qg2 Nd5 22.Qh3 Bf4 23.Nxf7 Qxf7 24.Bg6 Qxg6 25.Rxg6 Bxc1 26.Rxc1 Nf4 27.Qg4 Nxg6 28.Qxg6 Rf8 29.Rd1 b5 30.Rd4 e5 31.Rh4 Bf5 32.Qc6 Ra7 33.Qd5+ Raf7 34.c3 Re8 35.Rh8+ Kxh8 36.Qxf7 Bh3+ 37.Ke2 Re6

Jun-06-20  Brenin: I got 18 Nxh7, though I can't claim to have worked out all Black's possible defences. OTB I would probably have played a more cautious 18 f4, supporting the Ns and preparing Qg2. It was remarkable how a few plausible-looking but aimless moves by Black, starting with 12 ... a6, quickly led to disaster; hitting the N on e5 with Nbd7, Bd6 and Qc7 was necessary, and by 17 ... Bd6 it was too late.
Jun-06-20
Premium Chessgames Member
  malt: 18.Nh7 is best I could see,
18...N:h7 19.B:h7+ K:h7 20.Qh5+ Kg8

Looked at 21.Rg3, and 21.Bh6, and 21.R:g7+,

21.R:g7+! K:g7 22.Bh6+ Kh8 23.B:f8+

(22...Kg8 23.Qg4+ Qg5 24.Q:g5+ )
(22...Kf6 23.Qg5# )

24.Q:f7+ Kh8 25.Qg7#

Jun-06-20
Premium Chessgames Member
  malt: Overlooked 18.Nh7 B:e5 19.Q:e5 g6
20.N:f8
Jun-06-20
Premium Chessgames Member
  chrisowen: Kotynag vintnag nh7juju honeluq qc7juju coneluq bh6juju honeluq ne8juju eoneluq bg7juju goneluq ng7juju goneluq coojuju foneluq 13 14 rg7juju goneluq kg7juju goneluq qg4juju goneluq kh8juju honeluq junks it fiv 23.Nf6 vestluq ibullet foneluq rebudum remater rehaver hupvint 6 it ok revoluq fueljah levujug hupvint it's vastluq gojoshy hatsnew drumquv cruzits puffluq boxiton it's vastluq joghuts wanerum duckitz iffybox it's vastluq nh7juju honeluq umsumum hithers hevowju hupvint divauld it was livekit kotynag nh7juju honeque!
Jun-06-20
Premium Chessgames Member
  chrisowen: Probably won't do that no?
Jun-06-20  mel gibson: I wasn't sure if it was the Bishop or the Knight to h7.

Stockfish 11 agrees with the text for the first ply:

18. Nh7

(18. Nh7 (♘g5-h7
♘f6-e8 ♘h7xf8 ♗d6xe5 ♕e2xe5 ♔g8xf8 ♕e5-h5 b7-b5 ♗c1-g5 ♘d5-f6 ♕h5-h8+ ♔f8-e7 ♗g5xf6+ ♘e8xf6 ♕h8xd8+ ♔e7xd8 ♖g1xg7 ♖a8-a7 a2-a4 b5-b4 h2-h4 ♖a7-d7 ♖a1-d1 ♔d8-e7 ♔f1-e2 ♖d7-d8 a4-a5 ♗c8-b7 ♖g7-g5 ♖d8-b8 ♖g5-c5 ♘f6-d5 ♔e2-d2 b4-b3 c2xb3 ♘d5-f4 ♖c5-c7+ ♔e7-f6 ♗d3-c4 ♘f4-d5 ♖c7-d7 ♘d5-b4 ♔d2-e2 ♘b4-d5 h4-h5 ♘d5-f4+ ♔e2-e3 ♘f4-g2+ ♔e3-d4 ♗b7-f3 ♖d1-g1) +5.40/41 263)

score for White +5.40 depth 41.

Jun-06-20
Premium Chessgames Member
  agb2002: The first idea that comes to mind is 18.Bh7+ Nxh7 (18... Kh8 19.Nexf7+ Rxf7 20.Nxf7+ Kxh7 21.Nxd8 wins decisive material) 19.Nxh7:

A) 19... Kxh7 20.Qh5+ Kg8 21.Rxg7+ Kxg7 22.Bh6+ Kh7(8) (22... Kf6 23.Qg5#; 22... Kg8 23.Qg4+ and mate in two) 23.Bxf8+ Kg8 24.Qxf7+ Kh8 25.Qg7# (or 25.Ng6#).

B) 19... Bxe5 20.Qxe5 f6 (due to Qxg7# and Nxf8) 21.Qg3 Rf7 22.Bh6

B.1) 22... Kxh7 23.Bxg7 seems to win (23... Re7 24.Qg6+ Kg8 25.Bxf6+ and mate next).

B.2) 22... g5 23.Nxg5 Rg7 (23... fxg5 24.Bxg5 Qd7 25.Be7+ and mate next) 24.Bxg7 fxg5 (24... Kxg7 25.Nxe6+ wins) 25.Bh6 looks crushing.

B.3) 22... Qc7 23.Qh4 Qxc2 looks bad for White.

The alternative 18.Nh7, trying to enable h5 for the queen, is interesting:

A) 18... Nxh7 19.Bxh7+ (19.Qh5 f5)

A.1) 19... Kxh7 20.Qh5+ transposes to A above.

A.2) 19... Kh8 20.Qh5 Nf6 21.Qg5 g6 22.Bxg6 seems to win.

B) 18... Re8 19.Bh6

B.1) 19... g6 20.Nxg6 fxg6 21.Rxg6+

B.1.a) 21... Kh8 22.Nxf6 Nxf6 23.Bg5, with the threat Bxf6+ and Qh5+, looks winning.

B.1.b) 21... Kf7 22.Rg7#.

B.1.c) 21... Kxh7 22.Rxf6+ Kh8 23.Rg6 is similar to B.1.a.

B.2) 19... Bf8 20.Nxf8 wins an important pawn at least.

C) 18... Qc7 19.Nxf6+ Nxf6 20.Bh6

C.1) 20... Bxe5 21.Bxg7 and the discovered check seems to win decisive material.

C.2) 20... g6 21.Nxg6 fxg6 22.Rxg6+ Kh8 (22... Kf7 23.Rg7+ and Rxc7) 23.Bxf8 Bxf8 24.Rxf6 wins.

Jun-06-20
Premium Chessgames Member
  chrisowen: Reper charge no?
Jun-06-20  King.Arthur.Brazil: I found the combination starting with 18.♘h7... but I played 19.♘xf6+ instead of ♗h6!}, as answer to the 18... (♕c7. Following the last move, I discovered the remaining easily.
Jun-06-20  King.Arthur.Brazil: <chrisfalter> correct, but there is more: a)23...♘e7 24. ♕g5 (...♘f5 25.♗xf5 mate next), ♘g8 25. ♘xg8 ♖xg8 26. ♕h6# b)23...♘f4 24. ♕xf4 (...♗xe5 or ...Td8 25. ♕h6#), 24... ♔g7 25. ♕g5+ ♔h8 26. ♕h6#. c)23...♖d8 24. ♕h5+ ♔g7 25. ♕g5+ ♔f8 26. ♕g8+ ♔e7 27. ♕xf7# and finally d)23...♖e8 24. ♕h5+ ♔g7 25. ♕g5+ ♔f8 26. ♘h7# There is mate in all the lines!
Jun-06-20  RandomVisitor: A final look, after 17...Bd6


click for larger view

Stockfish_20052313_x64_modern:

<57/83 10:23:24 +6.91 18.Nh7 Ne8 19.Nxf8> Bxe5 20.Qxe5 Kxf8 21.Qh5 Bd7 22.b3 Qa5 23.Qh8+ Ke7 24.Rxg7 Nxg7 25.Qxa8 b5 26.Qh8 Ne8 27.Qd4 f5 28.Bxf5 Qb4 29.Qxb4+ Nxb4 30.Be4 Kf7 31.Bg5 Nd5 32.h4 Nef6 33.Bg2 Nh7 34.Bd2 Nhf6 35.a3 Be8 36.Rd1 Nh5 37.Bg5 Ng7

57/102 10:23:24 +5.54 18.Nh3 Bxe5 19.Qxe5 Ne8 20.Bh6 f6 21.Qh5 f5 22.Re1 b5 23.Bxg7 Nxg7 24.Qh6 Ra7 25.Ng5 Rff7 26.Qh7+ Kf8 27.Be2 Rac7 28.Bf3 Nf6 29.Qh8+ Ke7 30.Nxf7 Qxh8 31.Nxh8 Kf8 32.Ng6+ Kg8 33.c3 Bd7 34.Rg5 a5 35.h4 Nh7 36.Rg3 Nf6 37.Rd1 Be8

57/94 10:23:24 +5.49 18.f4 g6 19.Qg2 Ne7 20.Qh3 Kg7 21.Be3 Bxe5 22.fxe5 Nh5 23.Qxh5 gxh5 24.Nxe6+ Kh8 25.Nxd8 Rxd8 26.Bg5 Rxd3 27.Bf6+ Kh7 28.cxd3 Ng6 29.Kf2 Be6 30.Ke3 a5 31.Rac1 Bxa2 32.Rc5 Ra6 33.Rb5 a4 34.Ra1 Be6 35.Rxb7 Ra8 36.d4 Nf8 37.Ra3 Bd5

57/100 10:23:24 +5.44 18.Ngf3 Qc7 19.Bh6 Ne8 20.Re1 f5 21.Qd2 Bxe5 22.Nxe5 b5 23.Qg5 Qe7 24.Qh5 Ra7 25.Ng6 Qd6 26.Bd2 Nef6 27.Qh8+ Kf7 28.Qh4 Rc7 29.Rg3 Rg8 30.a3 Ne7 31.Qg5 Qd5 32.Ba5 Ra7 33.Kg1 Bb7 34.f3 Bc8 35.Bb4 Ke8 36.Nxe7 Rxe7 37.Bxf5 a5

57/90 10:23:24 +4.40 18.Ng4 Re8 19.Qf3 Qc7 20.Nxf6+ Nxf6 21.Qg2 Nd5 22.Qh3 Bf4 23.Nxf7 Qxf7 24.Bg6 Qxg6 25.Rxg6 Bxc1 26.Rxc1 Nf4 27.Qh6 Nxg6 28.Qxg6 Rf8 29.Rd1 e5 30.Qb6 Rb8 31.Qb3+ Kh8 32.Re1 Re8 33.Re4 Be6 34.Rh4+ Kg8 35.Qg3 Rf8 36.Rh5 Rf6 37.Rg5 Rf7

Jun-06-20
Premium Chessgames Member
  Jimfromprovidence: Even though white has a lot of ways to win, move order is crucial.

For example, if black plays 18...Ne8 then the text 19 Bh6 no longer works because of 19...Qh4!


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