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Evgeny Tomashevsky vs Georg Meier
WYb18 (2004), Heraklio GRE, rd 2
English Opening: Agincourt Defense. Catalan Defense (A14)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Given 6 times; par: 41 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Apr-05-09
Premium Chessgames Member
  gawain: <BlazeTaktix> Speculative sac of the knight on move 14 opens the e-file for attack on Black's king and two moves later leaves a thorny pawn poking deep into Black's position. Black's rook at h8 may never get into play.

As for why B does not castle at move 15, I think it's because after 15...O-O a knight fork 16 Nc6 would win the e7 Bishop.

Apr-05-09  vijaymathslpjz: <gawain>hes going to take the knight with bishop anyways.so he need not protect the bishop with king.Kf8 because after knight fork he can go Bxb6 so that he can take black bishop on e7 with rook..
Apr-05-09  RobertLangdon: The whole game is insane.
Apr-05-09
Premium Chessgames Member
  al wazir: I agree with <Manic: After 23.cxd5 Nfxd5 24.Bxd5 Rxd5 25.Qxd5 Nxd5 26.Bxb8 isn't black just winning after 26...Nxc3. . .>?

I think 22...dxc4 would also have been better for black. And after 22...Kxe7 23. cxd5 Kf8 24. d6, black wins with 24...Ncd5 25. c7 Nxc7 26. Rxc7 (26. dxc7 Rxe1+ 27. Kf2 Qc8 28. Bb7 Ke7) Qxc7 27. dxc7 Rxd1+ 28. Kf2 Ke7.

My own choice was 22. cxd5. I think that gives black more than he can handle. For example, 22...Bxb4 23. d6 Bxc3 24. dxc7 Rxd1 25. Rxd1 Qxc7 (25...Qc8 26. Rd8+ Ke7 27. Bd6#) 26. Bxc7 Ke7 27. Bd6+ Kd8 28. c7+ Kc8 29. Bb7+.

Apr-05-09  Manic: <Granny O Doul> Thanks for that. Missed Bd6+ in the Kf8 line.

<al wazir> See that post or <holland oats> one above.

For your 24...Ncd5 line I see 25.Bxd5 Rxd6 26.c7 winning for white.

For 22.cxd5, I am not completely sure but I think 22...Bd6 saves black as white is down a piece (thanks to <dzechiel> for pointing this out as I missed it when I was trying the problem) and stops the d pawn from moving as well as stopping the pin on the knight. This may be the reason that white plays Rxe7 first.

Oh and for 22...dxc4 perhaps 23.Bd6 and if 23...Nfd5 Rd7+

Apr-05-09
Premium Chessgames Member
  al wazir: <Granny O Doul:If 23.cd Nfxd5 24.Bxd5 Rxd5, white can play 25.Re3+ . . .>

Yes, you're right. But 24...Rhe8 25. Re3+ Kf8 seems OK for black.

Apr-05-09  jheiner: Hmmm, I had a slightly different idea than the game line:

22.Rxe7 Kxe7
23.Bxc7 Qxc7 (attracting the Q for possible forks and removing that N) 24.Bxd5 Nxd5 (wasn't sure if this was forced)
25.cxd5 ...

and I expected this was winning with 26.d6. And now two pawns on the sixth rank backed up by heavy pieces could win.

But couldn't visualize 25...Rd6 until I moved the pieces later, and looks like it barricades and now W is down a R. That's as far as I took it; didn't spend too much time. Fun puzzle.

Apr-05-09  Granny O Doul: <wazir> Maybe....though White still looks to be pressing after 26.Qh5 Rxd5 27.Qxh7 f6 28.Bxc7. But I don't know that I can work that out completely and still have time to cure cancer and bring about world peace.
Apr-05-09  goodevans: Friday was fun, yesterday a bit routine but, yes, I do like Sundays. I enjoy most Sundays whether I get them or, like today, I dont get anywhere near (I got the first move but Im not giving myself any credit for that).

The last move would make a nice mid-week puzzle in its own right. Does anyone know whether CG.com has ever used the same game for more than one puzzle?

Apr-05-09  RandomVisitor: 22.Rxe7 Kxe7 <23.Re3+> Kf8 24.cxd5 also appears to win...
Apr-05-09  goodevans: <RandomVisitor: 22.Rxe7 Kxe7 <23.Re3+> Kf8 24.cxd5 also appears to win...>

That's what I went for. Shoving the K back to f8 is very tempting, but having seen the game it seems that the R is better-placed on the c-file for later on (29 Rxc7).

Do you have any analysis showing that 22.Rxe7 Kxe7 <23.Re3+> also wins?

Apr-05-09  alfa.vimapa: The problem (from my point of view) rose from the begining. Why lose time with 8...a6 insted of 8...0-0!!!. it is yet possible 10....0-0!
Apr-05-09  znprdx: Well despite White being down a Knight for a pawn - "in for a penny, in for a pound". Black's King Bishop has to go - its threats are Bd6! or Bxb4- so White's losing the quality to be down a full rook is balanced by Black's useless King Rook but especially increasing the power of White's Queen Bishop... as the King becomes exposed. SO: 22. Rx[B]e7 KxR]e7 23.c5 threatens to to play the crushing Bd6+ . Black's Ne4 may seem annoying but 24.Bx[N]e4 d5x[B]e4 still allows Bd6+

BTW The straightforward 23.c4xd5 may seem sufficient but N(f)x[B]d5 24. Bx[N]d5 Rx[B]d5 etc. holds

Apr-05-09  vaskokibika: Not really insane.
I didn't solve it till the end, but I think after 22.Rxe7 Kxe7 23.Re3+ Kf8 24.cxd5 white has strong compensation for a rook. Ops, I see <RandomVisitor> posted this move order already.
Apr-05-09
Premium Chessgames Member
  Jimfromprovidence: <Granny O Doul><:If 23.cd Nfxd5 24.Bxd5 Rxd5, white can play 25.Re3+ . . .>

<al wazir> <Yes, you're right. But 24...Rhe8 25. Re3+ Kf8 seems OK for black.>

<Granny O Doul> <:Maybe....though White still looks to be pressing after 26.Qh5 Rxd5 27.Qxh7 f6 28.Bxc7.>

In this thread, substitute 25 f6+ for white and black is in it deep.


click for larger view

After 25...Kf8 26 Qg4, (threatening Qxg7#) black's position is not good.


click for larger view

Apr-05-09  Eduardo Leon: Really insane. I couldn't find it, after spending nearly 20 minutes looking at the board.
Apr-05-09
Premium Chessgames Member
  agb2002: White has a pawn for a piece but a considerable advantage in development. The first idea is to play 22.cxd5, threatening 23.d6, but Black can block the pawn with 22... Bd6 (22... Nfxd5 23.Bxd5 Rxd5 24.Qxd5 Nxd5 25.Bxb8 Nxc3 26.c7). Therefore, 22.Rxe7:

A) 22... Kxe7 23.Re3+

A.1) 23... Ne4 24.cxd5

A.1.a) 24... Rhe8 25.Rxe4+ Kf8 26.Rxe8+ Rxe8 (26... Kxe8 27.d6) 27.d6 + -.

A.1.b) 24... Rxd5 25.Rxe4+ Kf6 (25... Kd8 26.Qxd5+ Nxd5 27.Bxb8) 26.Be5+ Kg5 (26... Ke7 27.Bxc7+; 26... Kxf5 27.Qg4#) 27.Qg4+ Kh6 28.Qh4#.

A.1.c) 24... Kf8 25.Rxe4 followed by d6.

A.2) 23... Kf8 24.cxd5

A.2.a) 24... Nxd5 25.Bxb8 Nxe3 26.Qxd8#.

A.2.b) 24... Rxd5 25.Bxd5 Nfxd5 26.Bd6+ Kg8 27.Qxd5 Nxd5 28.Bxb8 h6 (28... Nxe3 29.c7) 29.Re8+ Kh7 30.Rxh8+ Kxh8 31.c7 + -.

B) 22... d4 23.Bxc7

B.1) 23... dxc3 24.Qxd8+ Qxd8 25.Bxd8 c2 26.Re1 + -.

B.2) 23... Qc8 24.Bxd8

B.2.a) 24... Qxd8 25.c7 Qc8 26.Qxd4 Kxe7 27.Re3+ Kf8 28.Qd8+ wins.

B.2.b) 24... dxc3 25.Qd6 Kg8 (25... c2 26.Re8+ Kxe8 27.Qe7#) 26.Rxf7 Kxf7 (26... h6 27.Rxg7+ Kxg7 28.Qxf6+ and mate soon) 27.Qe7+ Kg8 28.Bd5+ Nxd5 29.Qe8#.

C) 22... dxc4 23.Qe2

C.1) 23... Nfe8 24.Rxe8+ Rxe8 25.Bd6+ Kg8 26.Bxc7 Rxe2 27.Bxb8 + -.

C.2) 23... Rc8 24.Bd6 Kg8 25.Rxc4 looks overwhelming.

D) 22... Ne4 23.Bxe4

D.1) 23... dxe4 24.Rd7 Rc8 25.Qd6+ Kg8 26.Rxc7 + -.

D.2) 23... Kxe7 24.cxd5 is similar to A.1.

E) 22... Nfe8 23.Rxc7 Nxc7 24.cxd5 followed by d6 + -.

F) 22... Rc8 23.Rxc7 Rxc7 24.cxd5 followed by d6 + -.

I think that's all. Let's see.

Apr-05-09
Premium Chessgames Member
  agb2002: I thought that 23.Re3+ was more effective than 23.cxd5 directly. I'll check it with Fruit 2-3-1 later. Now I want to go out play my children.
Apr-05-09  dumbgai: Are those ratings accurate? Meier has sure made a lot of improvement since then if they are.
Apr-05-09
Premium Chessgames Member
  parmetd: pretty easy
Apr-05-09
Premium Chessgames Member
  johnlspouge: Sunday (Very Difficult)

E Tomashevsky vs G Meier, 2004 (22.?)

White to play and win.

Material: B+P for 2N. The Black Kf8 is caught in the center, disconnecting the Rs, with 2 legal moves, both light squares on the back rank. The White Bf4 pins Nc7 to Qb8. The White Re1 has an open file and attacks Be7, which Kf8 defends, suggesting a decoy. Beyond, Re1 takes the safety of e8 away from Kf8. The White Pc4, Bg2, and Qd1 attack Pd5, while Rc3 is already lifted, ready to reload Re1 on the e-file. The White Kg1 is subject to Bc5+, but is otherwise secure.

Candidates (22.): Rxe7, Qe2

22.Rxe7 Kxe7 [else, down a P in a bad position]

Candidates (23.): Qe1+, Re3+, cxd5

The candidate for Move 23 is harder than for Move 22. Whites tactical objective is to support of the White Pc4 after it arrives on the d-file. The Qd1 is already in position to support the Pc4. Because Be7 has been destroyed, but replaced by Ke7, which helps control the critical stop square d6, I chose 23.Re3+ from among the candidates.

23.Re3+

(1) 23Ne4 24.cxd5 Rxd5 25.Rxe4+

(1.1) 25Kf8 [or Ke8 or Kd8] 26.Qxd5 Nxd5 27.Bxb8

White has 2B+P for N.

(1.2) 25Kf6 26.Qa1+ Kxf5 27.Re5+ and mate soon.

The Black position is untenable.

(2) 23Kf8 24.cxd5 (threatening 25.d6 26.d7 27.Qd6+ 28.c7)

If Black captures:

24Nfxd5 25.Bxd5 Rxd5 26.Qxd5 Nxd5 27.Bxb8

White has 2B+P for N.

No defense appears feasible.

<agb2002> and <RandomVisitor>: Thanks for your comments. I am traveling and I do not have access to a chess engine.

Apr-05-09
Premium Chessgames Member
  DarthStapler: I at least considered the first move
Apr-05-09  WhiteRook48: I guessed 22. Rxe7 because it looks like what a maniac would play
Apr-05-09
Premium Chessgames Member
  CHESSTTCAMPS: White has an advanced extra pawn, a strong bishop pair, and a big mobility advantage as compensation for his piece deficit. Special features of the position include the pinned knight on c7 and the difficulty black has in developing the Rh8 with the uncastled king in the way. With black threatening both Bxb4 and Bd6, neutralizing the pin, I believe white's principal candidate is clear:

22.Rxe7! Kxe7

At this point I looked at 23.Qe2+ Kf8 24.Qe5 but I wasn't satisfied that white had enough. Having gotten a late start on this, I'm not going to attempt a very detailed analysis, but I now believe the logical way to play this is

23.Re3+ Kf8 (23...Ne4? 24.cxd5) 24.cxd5

Now the pawn roller looks dominant with the support of the powerful bishop pair, especially with the R on h8 trapped out of play. Play might continue:

24...Nfxd5 25.Rd3 Ke7 26.Qe1+! Kf8 27.Bxd5 Qc8 28.Qe5 Nxd5 29.Rxd5 Rxd5 30.Qxd5 h5 31.a4 and white has a strong bind if not a forced win involving the promotion of the c-pawn.

That's all I have - time to see what transpired.

Apr-06-09
Premium Chessgames Member
  patzer2: For the Sunday April 5, 2009 puzzle solution, the demolition 22. Rxe7! is decisive.
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