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Vladimir Antoshin vs F Rabar
Baku (1964), Baku AZE
Hungarian Opening: General (A00)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Oct-23-08  mworld: doh, i tried Nxg6 and not Ne6.
Oct-23-08  JG27Pyth: Full credit! Solved with all meaningful variations though I didn't analyze Black's various queen sac'ing responses very carefully.

The critical line is a very pretty mate!

21Qxe5 22.Rh3+ Qh5 23.g5#

Also, after
21Qxf3

White has either 22.Qg5# or 22.Qg7#

Oct-23-08  Woody Wood Pusher: Well I saw 21.Ne6 pretty quickly.

Thanks to <johnls> for writing all the sidelines out, I noticed a <small> miscalculation on my part.

After 21.Ne6,Qh4 22.Qg7 mates but I was going to play 22.g5+,Kh5 (22..Qxg5 23.Qxg5 mate) 23.Ng7+,Kg4 24.Qf4 mate.

So I was over-complicating it a bit.

Interesting position.

21.Qxf6,Nxf6 22. g5+,Kxg5 23.Nh3+,Kh4

is a nice try <dz> but after

24.Rxf6,Kxh3 25.Rf1,Kg4 black can give back the pawn and escape into a slightly worse endgame.

Oct-23-08  JG27Pyth: You Rang <(*) I just invented the ~# notation. It means 'checkmate imminent".>

I second the motion to establish <~#> as "<with mate to follow>" !

I can't count the number of times I've wanted to have that symbol availble rather than tediously figure out that it's 'mate in 7' or some such after all kinds of meaningless interpositions and desperado sacs have been tallied.

Of course, one could just write: with mate to follow...

But I like the symbol.

Oct-23-08  Lord Osiris: Rabar's fatal move here it would seem is 18...Ng8. after this move whites dominance is assured and at least a substantial material advantage is to follow.

I analysed every possible move following 18...Ng8,19.Qe5+ as follows:

19...f6 loses poorly to 20.Ne6+,Kh8 or Kh6 (if Kf7, Nxd8+ seals whites victory) 21.Nxd8,fxe5, Rxf8

19...Nf6 loses at least a knight with 20.Nd5 attacking the pinned black knight 3 ways with only one defender

19...Qf6 forfeits the queen rediculously with Nh5+

19...Kh6 20.g4,Nf6 loses the knight to g5+ forking the king and knight

19...Kh6 20.g4,f6 is perhaps the most provocative failing defense for black. To follow: 21.Ne6(threatening Rh3++ and forking the rook and queen) 21...g5(creating the kings escape square) 22.Qf5 and the king is hopelessly hemmed in and will be mated quickly (threatened by Rh3++, not to mention the still standing fork of the black queen and rook by the white knight.

19...Kh6 20.g4,Qg5 or Qh4 loses easily to Rh3

Better might be 18...Kh8. tis the best move I saw given the circumstances. Not ideal but certainly better than the dooming 18...Ng8

Oct-23-08
Premium Chessgames Member
  Domdaniel: <YouRang> That ~# for "forcing mate" or "mate in a few moves" etc is brilliant. Just what we needed. Who says there's no such thing as progress?

Not to mention the fact that both the ~ and # symbols are on the same key, at least on my laptop.

Oct-23-08
Premium Chessgames Member
  chrisowen: Top spot for the white rook i.e. 21..Qxe6 22.Rh3 mate. How it isnt 21.g5 mate is the presence of the white king on g1. If it was on h1 then g5 would work.
Oct-23-08  skemup: I was calculating variations after 21.Rh3+ but i found nothing. So instead of chasing king i started looking for move which would close the net and Ne6 arrived (shame to mention but it took me 30 minutes).
Oct-23-08  MaxxLange: Ah, I recognized this position from a tactics book. Disqualified.
Oct-23-08
Premium Chessgames Member
  Domdaniel: Backtracking slightly, after 20.g4 f6 then 21.Ne6! wins in much the same way. Black was lost anyway once his king went to h6 -- the actual losing move seems to be 18...Ng8. Instead, 18...Kh8 seems to hold, though white has a definite advantage.

It's amusing that the Rf3 in the problem position looks like the result of a rook lift, headed for h3. In fact, the rook was slightly awkwardly placed on f3 until g4! opened the path along the rank.

Oct-23-08
Premium Chessgames Member
  DarthStapler: I thought Rh3+ Kg7 then Ne6+
Oct-23-08  cyclon: Ne6!! is marvellous. -Qxe5, Rh3+ Qh5, g5X.
Oct-23-08  Jason Frost: 21. Ne6 Qxe5 22. Rh3+ Qh5 23. g5#

Any reply to 21. Ne6 other than Qxe5 immidiatly looses the queen or looses to mate in 1 with either Qg7 or Qg5

Oct-23-08  veerar: This seems to be Dutch in reverse.Black's 5th move is too ambitious or anti-positional!
Oct-23-08  Woody Wood Pusher: <Backtracking slightly, after 20.g4 f6 then 21.Ne6! wins in much the same way.>

Nice spot <Dom>

Oct-23-08
Premium Chessgames Member
  whiteshark: Calculated the whole 1-ply solution in-depth.
Oct-23-08
Premium Chessgames Member
  egilarne: <MaxxLange: Ah, I recognized this position from a tactics book. Disqualified> Disagree with "disqualified". I recognized it from Block's CT-Art 3.0, and I think we both should give ourselves full credit that we have studied chess and tactics - and thereby became able to recognize the pattern (and the position) and solve the problem.
Oct-23-08  DocGonzo: Took me along time but i found Ne6. I would actually expect to get this one much faster, cant take queen because of checkmate with the rook, and cant take knight with the queen for same reason. Only real answer is pawn takes knight which leads to rook take queen, knight take rook and then a pawn fork on the king and knight
Oct-23-08  Wade Keller: Suppose black had moved 20.....f6
Oct-23-08  karnak64: Yeah, I recognized this position from CT-Art 3.0, too. Still, it's a neat little problem.
Oct-23-08  crwynn: 13...d4 was weak, Be6 makes more sense. After that you need a computer to defend such a position I think.
Oct-24-08  minasina: <Woody Wood Pusher: <Domdaniel: Backtracking slightly, after 20.g4 f6 then 21.Ne6! wins in much the same way.>>

Doesn't it get complicated after 21. ...g5 ?

Oct-24-08  minasina: ...okay, not so complicated. I can see a forced line: 22.Rh3+ Kg6 23.Qf5+ Kf7 24.Rxh7+ Ke8 25.Qg6+ Rf7 26.Qf7#
Jan-27-15  TheBish: This would be a good POTD from move 19, which is how I found it on a tactics website.
Aug-23-16  clement41: Rare tactical motif!
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