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Artem Iljin vs Ian Nepomniachtchi
European Championship (2007), Dresden GER, rd 10, Apr-13
Semi-Slav Defense: Anti-Moscow Gambit (D44)  ·  1-0

ANALYSIS [x]

FEN COPIED

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sac: 26.Rxf7 PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Oct-22-07  computer chess guy: 21. f4! nice move
Jan-04-15  kyg16: Great game!
May-31-20
Premium Chessgames Member
  al wazir: I didn't get even the first move.

Why didn't black play 16...dxc3 ? I suppose the continuation is 17. e6 Nf6 18. e7 Qb6. What happens now?

May-31-20  Whitehat1963: Brilliant combination!
May-31-20
Premium Chessgames Member
  An Englishman: Good Evening: Fourth consecutive miss made this a 3/7 week for me. Oh dear. Please, ChessGames, can you give us a week of Mondays for your humble and humbled servant?

Had rejected White's 22nd move because of 22...Ng6; 23.Qd5,Qc8 (if 23...Rb6; 24.Ra8). Does 24.Rfe1 refute that move?

May-31-20  mel gibson: I saw the chosen move but I also saw plenty of other moves.

Stockfish 11 agrees with the first 3 plies:

22. Qh5

(22. Qh5 (♕d1-h5 ♖b7-b6 ♗d6xe5 O-O ♖f1xf4 ♕d8-e7 ♖f4-g4 ♖b6-g6 ♗e5xg7 ♔g8xg7 ♖a1-a6 ♕e7xe4 ♖g4xe4 ♖g6xa6 ♕h5-e5+ ♔g7-g8 ♕e5xc5 ♖a6-a1+ ♔g1-f2 ♖a1-a6 ♕c5xd4 ♖a6-e6 ♖e4-g4+ ♖e6-g6 ♖g4-f4 ♖g6-e6 ♕d4-d5 ♖f8-e8 ♖f4-g4+ ♔g8-f8 ♕d5-c5+ ♖e8-e7 ♕c5xb5 ♖e6-g6 ♖g4-f4 ♔f8-g7 ♕b5xc4 ♖e7-e6 ♕c4-c7 ♖g6-f6 ♖f4xf6 ♖e6xf6+ ♔f2-g1 ♖f6-e6 ♕c7-c3+ ♔g7-g8 h2-h4 ♖e6-g6 ♕c3-d4 ♖g6-c6 ♔g1-f2 ♖c6-c2+ ♔f2-g3 ♖c2-c6) +7.73/38 167)

score for White +7.73 depth 38

May-31-20
Premium Chessgames Member
  agb2002: White is four pawns down.

Black's position has a number of weaknesses, in particular its fourth rank, the a-file, the king remains in the center, the knight and queen's rook are defenseless, and the king's rook is out of play at the moment. This details suggest 22.Qh5, threatening Bxe5:

A) 22... Nd3 23.Qd5

A.1) 23... Qc8 24.Bxc5 (24.Ra8 Qxa8 25.Qc6+ Kd8 26.Bc7+ Rxc7 27.Qxa8+ Ke7 and Black has a lot of material for the queen)

A.1.a) 24... Bf8 25.Nf6#.

A.1.b) 24... Nxc5 25.Nd6+ wins decisive material.

A.1.c) 24... Rd7 25.Nd6+ Rxd6 26.Bxd6 and Black looks defenseless against Ra8.

A.2) 23... Rc7 24.Ra8 Rc8 25.Ra7 Ne5 26.Rxf7 wins (26... Nxf7 27.Qe6+ Qe7 28.Qxe7#).

A.3) 23... Rb8 24.Ra7 as in A.2.

B) 22... Nc6 23.Rfe1 looks winning (23... Kd7 24.Qf5+ Ke8 25.Nf6#).

C) 22... Nd7 23.Rfe1 as above.

May-31-20  Brenin: I chose 22 Bxc5 (threatening Nd6+), which probably wins but a lot less decisively. I rejected 22 Qh5 on account 22 ... Ng6, not seeing the strength of 23 Qd5, with Ra8 if the R on b7 moves.
May-31-20  Brenin: <An Englishman>: After 23 ...Qc8, 24 Rfe1 looks terrifying. SF announces mate in 9, with Black giving up material to block the e file, and still getting mated.
May-31-20  Pedro Fernandez: There is a problem with this puzzle; we don't know in advance whether black can castling or not. I don't yet have seen the solution nor I have read the kibitzes. I gonna wait until later.
May-31-20
Premium Chessgames Member
  Honza Cervenka: <al wazir> <Why didn't black play 16...dxc3 ? I suppose the continuation is 17. e6 Nf6 18. e7 Qb6. What happens now?>

17.e6 Nf6 18.Bh5 Nxh5 (what else?) 19.Qxh5 Qxd6 20.Qxf7+ Kd8 21.Qxg7 c2 (else 22.Rfd1 or 22.Rad1 pins the Queen; 21...Qxe6 22.Rfe1 is not an option here) 22.Qxh8+ Kc7 23.Qxh6 Re8 24.Qh7+ Kb6 25.Qxc2 Rxe6 26.Rad1 with huge advantage of white.

May-31-20
Premium Chessgames Member
  Honza Cervenka: Btw, 16...dxc3 17.e6 Ne5 with idea 18.Bh5 Ng6 fails too for 18.e7 Qb6 19.Bxe5. Here black must sac the Queen instead of 18...Qb6 playing 18...Qxe7 19.Bxe7 Kxe7 20.bxc3. The position is still quite complex but white should be better here too.
May-31-20  RandomVisitor: After 6...dxc4


click for larger view

Stockfish_20053020_x64_modern:

<65/36 4:53:41 0.00 7.e4 g5 8.Bg3 b5 9.Be2 b4> 10.Na4 Nxe4 11.Be5 Nf6 12.Bxc4 Nbd7 13.0-0 g4 14.Nd2 Nxe5 15.dxe5 Nd7 16.Re1 Rg8 17.Qc2 Rg5 18.Rad1 Qc7 19.Qh7 Nxe5 20.Bb3 Rh5 21.Nf1 Bd7 22.Ng3 Rg5 23.Ne4 Rf5 24.Ng3

May-31-20
Premium Chessgames Member
  Predrag3141: <Benin> I also chose 22 Bxc5, then on opening the game saw that White had passed up this idea a move earlier in favor of 21 f4 gxf4 22 Qh5. Both would have won, but activating the queen this way was worth just over an extra pawn, according to Stockfish.
May-31-20
Premium Chessgames Member
  chrisowen: Gone south yes?
May-31-20  RandomVisitor: After 17.Bf3 black missed the complicated 17...Nxe5


click for larger view

Stockfish_20053020_x64_modern:

<56/37 17:42 0.00 17.Nxe5 18.Bxb7 Qxd6> 19.Ne4 Qd7 20.axb5 Ra7 21.bxa6 0-0 22.Ra5 Rd8 23.Nxc5 Qc7 24.Rb5 c3 25.bxc3 dxc3 26.Qe2 Rd2 27.Qe3 Ng4 28.Qg3 Qxg3 29.hxg3 Bd4 30.Ne4 Rd3 31.Rd5 c2 32.Rd8+ Kg7 33.Rc8 f5 34.Rc7+ Kf8 35.Rc8+

May-31-20
Premium Chessgames Member
  Predrag3141: Stockfish shows that if Black accepts the knight sacrifice on move 16, his queen is trapped. Even so, it evaluates White's advantage as only +1.29.


click for larger view

16 bxc3 17.e6 Ne5 18.e7 Qxe7 19.Bxe7 Kxe7 20.bxc3 Rhd8 21.Qe2 Kf8 22.Bf5 Nd3 23.Rad1 Bxc3 24.Bxd3 cxd3 25.Rxd3 Bf6 26.Rh3 Kg7 27.axb5 cxb5 28.f4 Rh8 29.fxg5 Bd4+ 30.Kh1 hxg5 31.Qe7 Rxh3 32.Qxf7+ Kh6

May-31-20  QueenMe: I'm with <Brenin>: also went with Bc5. Clearly the difficulty with this Sunday puzzle is making the best choice over several vulnerabilities that Black has: Qh5, Rxf4, (and after the bishop is at c5, also 23. Ra7) are all on the table. Assuming black answers Bc5 with 22 ... Bf8, 23. Qh5 is probably the best reply, since white's bishop is protected, and black's night isn't.
May-31-20  jes47: Fatal error is at 17 ... Ra7. As RandomVisitor pointed out, 17 ... Ne5 preserves equality. After 17 ... Ra7 the position is irretrievably lost.

As to Al Wazir's question about about 16 ... dc3, Predrag gives a good line in response, but my analysis rejects his 22. Bf5. Better is 22. f4 and after 22 ... gf4 23. Rf4 stockfish claims a strong edge for white (+2.6).

May-31-20
Premium Chessgames Member
  Jimfromprovidence: It's pretty pleasing how white wins if 26...Qxf7 had occured.


click for larger view

Here are the first several moves of the combo.

+7.07 (29 ply) 27.Ra8+ Rd8 28.Rxd8+ Kxd8 29.Qxf7 Bxe5 30.Qd5+ Kc8 31.Qxe5


click for larger view

Because the rook is en prise, white gets a couple of pawns next.

May-31-20  RandomVisitor: After 16...dxc3, with best play White can get a strong advantage


click for larger view

Stockfish_20053020_x64_modern:

<65/106 3:07:06 +3.14 17.e6 Ne5 18.e7 Qxe7 19.Bxe7 Kxe7 20.bxc3 Rhd8 21.Qe2 Kf8 22.f4> gxf4 23.Rxf4 Kg8 24.Bf5 c5 25.axb5 axb5 26.Rxa8 Bxa8 27.Qe3 Rd5 28.Rf2 b4 29.Rd2 bxc3 30.Rxd5 Bxd5 31.Qxc5 Bc6 32.Qb4 Bf6 33.Kh1 c2 34.Bxc2 Bd7 35.Qa3 Bg4 36.Qe3 Kg7

May-31-20
Premium Chessgames Member
  Breunor: I thought 16 e5 allowing dxc3 with the combination starting with 17 e6 was really brilliant play!
May-31-20  Pedro Fernandez: Castling saved black neither. Indeed black was lost at the move 21, and certainly 22.Qh5! is the best move for white.
Jun-01-20  TheaN: Day late but I think I got this Sunday and therefore 7/7 last week, which I haven't achieved often. What I do think is that weekend material is slightly weaker than I'm used to.

I don't really see what would be wrong with <22.Qh5 +->. Perhaps the only real test is 22....Rb6 23.Bxe5 Qd5, followed by 24.Rxf4! +-. Sure, I didn't see that, but it plays itself. Black's busted before, on and after move 22.

Jun-02-20
Premium Chessgames Member
  al wazir: < Honza Cervenka: <al wazir> <Why didn't black play 16...dxc3 ? I suppose the continuation is 17. e6 Nf6 18. e7 Qb6. What happens now?>

<17.e6 Nf6 18.Bh5 Nxh519.Qxh5 Qxd6 20.Qxf7+ Kd8 21.Qxg7 c2 22.Qxh8+ Kc7 23.Qxh6 Re8 24.Qh7+ Kb6 25.Qxc2 Rxe6 26.Rad1 with huge advantage of white.> Thanks.

Yes, white has the advantage, but I wouldn't call it huge.

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