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Alexei Igorevich Kuzmin vs Evgeni Vasiukov
Moscow-ch (1982), Moscow URS, rd 5
Italian Game: Classical. Closed Variation (C53)  ·  0-1



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Premium Chessgames Member
  patzer2: <al wazir: I chose 26...Bc7+. That works just as well.> Yes indeed it does as both moves transpose to mate-in-four:

Alexey Kuzmin - Evgeni Vasiukov, Moscow-ch 1982

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26...Rg8+ 27.Kh2 Bc7+ 28.Kh1 Qh3+ 29.Qh2 Qxh2#


26...Bc7+ 27.Kg2 Rg8+ 28.Kh1 Qh3+ 29.Qh2 Qxh2#.

Premium Chessgames Member
  agb2002: Black has a bishop for a knight.

White is about to play Qe4, removing Black's best piece.

The airy, unprotected position of the white king leads to play 25... Rxg3+:

A) 26.Kxg3 Rg8+

A.1) 27.Kh2 Bc7+ 28.Kh1 (28.Qe5 Qh5#) 28... Qh3+ 29.Qh2 Qxh2#.

A.2) 27.Kh4 Qg5+ (less economical is 27... Bd8+ 28.Qe7 Qg4#) 28.Kh3 Qg3#.

A.3) 27.Qg4 Rxg4+ 28.Kh3(4) Qh5#.

B) 26.Kh1 Rh3+ wins.

C) 26.Kh2 Qh3#.

Premium Chessgames Member
  Once: Interesting role that the Bc7 plays. It stops white from defending with Kh2 (to block Qh3+) and it also stops white from blocking with Kh1 and Qh2.

A neat bit of teamwork.

Sep-01-15  messachess: Yikes. This was easy. (Reminds me of some of my better games. That's right. They're never too deep.)
Sep-01-15  Abdel Irada: I especially enjoy the final position in this line:

25. ...Rxg3+!
26. Kxg3, Rg8+
27. Kh2, Bc7+
28. Qe5, Qh5#

Premium Chessgames Member
  morfishine: <25...Rxg3+> and the boxed in White King gets mated
Sep-01-15  stacase: Way too easy. I kept looking for something that precluded the obvious moves..
Sep-01-15  Nick46: Whoah, it's only Tuesday.
Sep-01-15  Caissas Clown: Two out of two ! I am right on track to score my usual....two out of seven!:).
Premium Chessgames Member
  whiteshark: <25... Rxg3+!>, and that's it.
Sep-01-15  CHESSTTCAMPS: Black enjoys the advantages of B for N (in an open position), strong posts for all the major pieces, and 2 pawns that shelter his king, versus white's one. Black can force mate by eliminating white's inadequate pawn shelter:

25... Rxg3+! 26.Kxg3 (Kh1 Rh3+ 27.Kg1 Rg8+) Rg8+ and now

A) 27.Kh4 Bd8+ 28.Qe7 Qg4#

B) 27.Kh2 Bc7+ 28.Kh1 Qh3+ 29.Qh2 Qxh2#

Time for review...

Sep-01-15  zb2cr: The obvious-looking move 25. ... Rxg3+ is the winning move.
Sep-01-15  jdc2: I saw the Bc7+ check line like al wazir but it's not quite so easy if you set it up against an engine and play black. White plays 26.Kh1 and then the mate is longer (mate in 6 from the given position).
Sep-01-15  Makavelli II: Rxg3!! appears to be the winning move. ..kxR (FORCED!!!) Rg8+ ..kh2 and then a FORCED # in 2!!
Sep-01-15  dfcx: Black to play


A. 26.Kxg3 Rg8+

A1. 27.Kh2 Bc7+ 28.Kh1 Qh3+ 29.Qh2 Qxh2#

A2. 27.Kh4 Qg5+ 28.Kh3 Qg3#

B. 26.Kh2 Qh3#

C. 26.Kh3 Rh3+ 27.Qh2 (Kg1, Rg8+) Rxh2+ 28.Kxh2 Bc7+ 29.Kh1 Qh3+ 30.Kg1 c4+ 31.Re3 Bxe3#

Sep-01-15  saturn2: I have to correct my post.
<b2: Kh2 is answered by Qh3> Indeed in this variation the black bishop is needed. So I confused my a)variation with b) where there is no rock on g3.
Premium Chessgames Member
  patzer2: <jdc2> You might want to verify your position set-up for 26...Bc7+.
Premium Chessgames Member
  kevin86: One rook is sacrificed so that the other rook and queen checkmate very soon.
Premium Chessgames Member
  Peligroso Patzer: <patzer2: [White]'s decisive mistake was 25. Rad1?, overlooking 25...Rxg3+! which forces mate *** >

Seems to me that <25. Rad1> deserves a double question mark (??). Kuzmin must have been in severe time pressure.

Sep-01-15  BOSTER: < Kevin86: the other rook and queen checkmate very soon>. You can try without help of the Bishop.
I couldn't.
Premium Chessgames Member
  Mating Net: Simple and direct. Eliminate the last piece of pawn cover by investing a Rook. The centralized Queen has plenty of remaining pieces to lead the King hunt.
Sep-01-15  Imran Iskandar: Got it swiftly.
Sep-01-15  TimothyLucasJaeger: Took me a little while to see the role of the bishop in the mating net.

My first try was 25 ... ♖xg3+ 26 ♔xg3 ♖g8+ 27 ♔h2 ♕f4+ 28 ♔h1 ♕h4+, but then the white queen can interpose.

27 ... ♗c7+ takes away that option.

Sep-01-15  scormus: satisfying to see Black Q, 2R, B all in the action while White Q, 2R, N are all bystanders, right through to #
Sep-01-15  Kyudaime: 25...Rxg3+! 0 - 1
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