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Oleg M Romanishin vs Slavoljub Marjanovic
EU-ch U20 fin-A (1972), Groningen NED, rd 5
King's Indian Defense: Fianchetto Variation. Yugoslav System w/o Nc3 (E64)  ·  1-0



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Given 28 times; par: 66 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 4 ·  Later Kibitzing>
Jun-22-12  sevenseaman: <Vardeep> 35. Qd4 allows 35...Rxf2+ 36. Qxf2 Rf5 etc.

That is Black can use his doomed R for gaining a P and getting out of a jam. White still wins but now the win will be more of a grind.

He misses the tactical windfall he had with 35. Rxh7+, which is the point of today's puzzle.

I believe the text will remain the fastest win.

Jun-22-12  Patriot: I think 35.Rxh7+ is the only move that doesn't lose. I believe at least a draw can be obtained.

35...Kxh7 36.Qe7+ wins the rook back and either a perpetual check will occur or a mate.

That's all I have time for this morning!

Jun-22-12  eblunt: <The HeavenSmile:> 35. Qd4 Kg5 36. f4+ and mate in 3 <sevenseaman: > Yes black can through the rook at it, but white's a clear piece ahead then, a GM would resign on the spot. Agree though, Qd4 isn't THE correct answer, but it's pretty much an immediate win. OTB i'd probably play it, since I'd be terrified of missing something in the mating net with Rxf7, whereas Qd4 wins with no risk.
Jun-22-12  Patriot: Ok, there are a few more candidates that don't lose. Houdini says 35...Qd4 also wins. Funny, because I considered this also before concluding 35.Rxh7+ is the only move that doesn't lose. 35...Qg4 is .
Jun-22-12  eblunt: <The HeavenSmile: > Or 35 Qd4 Rx5 36. Qg7+ Kg5 37. Qxf8 and mate coming soon
Jun-22-12  sevenseaman: < prn>: <<cydmd> and <LTJ> found a better solution with 38. Bb8+ Kh8 39. Be6+, but even better (or at least faster :-) ) is <39. Bf7 Kh7 40. Qg8 Kh6 41. Qxg6#>>

Agreed. In the Bg8+ line yours is the brightest idea yet. People keep thinking and a better line evolves.

Jun-22-12  Nostrils: 40 h4+ also works

40 ... Kg4 41 Qd4+ Kf5 42 Qf4#

40 ... Kf5 41 Qd8+ Kg4/e5 42 Qf4#

40 ... Rxh4 41 Qxh4 Kf5 42 Qf4#

Jun-22-12  James D Flynn: 35.Rxh7+ Kxh7 36.Qe7+ Kh6(Kh8 37.Qxf8+ kh7 transposes and so does Rf7 37.Qxf2+ Kh6(or Kh8 ) 37.Qxf8+ Kh7(Kg5 38.Qf4#) 38.Bg8+ Kh8 39.Be6+ Kh7 40.Qg8+ Kh6 41.Qh8+ Kg5 42.f4#
Jun-22-12  LoveThatJoker: <prn & sevenseaman> I appreciate the fact that you like my solution, but do note that you are mistaken in saying that White has Qxg6# at some point.

At no point is Qxg6 an option for White, as Black's Q protects the g6 square!

Therefore the lines I presented in my original post, represent the most efficient paths to Checkmate available in the context of the alternate solution I came up with.


Jun-22-12  sevenseaman: <LoveThatJoker> That is quite correct. I missed the Black Q's connection to g6. So your line with 38. Bg8+(btw its my line too, just in case you missed reading my solution, option iii)remains the best idea.
Jun-22-12  CHESSTTCAMPS: White has a pawn for the exchange and constricts the black king into a tight space. Once again, the primary forcing line leads straight to victory.


Not a real sac, of course, because white regains the rook immediately. The key is to understand how the bishop and queen work together, because this tactical maneuvering can be employed in many similar situations. The black queen and Rh5 remain spectators in the ensuing play.

35... Kxh7 36.Qe7+ and now:

A) 36... Kh8 37.Qf8+ Kh7 38.Bg8+ (the key - white sets up a discovered check and uses it to improve the position of the bishop with gain of time) Kh8 39.Be6+! Kh7 40.Qg8+ Kh6 41.Qh8+ Kg5 42.h4+ Rxh4 43.Qxh4#

B) 36... Kh6 37.Qxf8+ Kh7 (Kg5 38.Qf4#) 38.Bg8+ transposes to A.

C) 36... Rf7 37.Qxf7+ Kh6 (Kh8 38.Qg8#) 38.Qf8+ transposes to B.

All forced! Time for review...

Jun-22-12  CHESSTTCAMPS: A deduction for missing 42.f4# in A. Also, for not considering the game continuation.
Jun-22-12  Crispy Seagull: I wish I could spot a mate in EIGHT.
Premium Chessgames Member
  numbersguy70: Several moves, but not too hard for a Friday if you've seen enough death marches of kings up the board to meet opposing pawns. I always like reviewing the games to see the turning point, and 25.Rxe6 sealed the deal. That move is prob Sat or Sun puzzle worthy. I doubt I would be brazen enough to give up the exchange AND open black's f rook file with his queen in my yard.
Jun-22-12  k.khalil: Respect to those who saw the mate all the way!!
Jun-22-12  goldenbear: I also found Qd4 quickly. I didn't bother looking for anything else.
Premium Chessgames Member
  DakotaFlint: <Crispy Seagull: I wish I could spot a mate in EIGHT.>

Wished I could spot a mate in four or even three let alone eight.

Premium Chessgames Member
  kevin86: I saw the first four moves or so,A mate seemed close.Much easier to find a long series of moves if they are forced.
Premium Chessgames Member
  Pawn and Two: I first considered 35.Qd4. This move looked very strong, with the threat to enter at g7. However, I thought there might be something better, and more dramatic in this puzzle position. Then I noticed the unprotected rook of f8, inviting the sac 35.Rxh7+ Kxh7 36.Qe7+, with a mating attack. In a game or in a puzzle, it is usually a good idea not to play the first strong looking move, but to check to see if you can find something better.
Jun-22-12  solskytz: Complex calculations!!

But this time I decided to hang on, the full minute and a half, and do the math.

1. Rxh7+ Kxh7 only move

2. Qe7.

If ...Kh8 then 3. Qxf8+ Kh7 4. Bg8+ Kh8 5. Be6+ Kh7 6. Qg8+ Kg5 7. f4 mate

if ...Kh6 then 3. Qxf8+ Kg5 4. Qf4 mate or 3...Kh7 4. Bg8+ and the rest as above

if ...Rf7 then 3. Qxf7+ Kh8 4. Qg8 mate or 3...Kh6 4. Qf8+ Kg5 5. Qf4 mate or 4... Kh7 5. Bg8+ and the rest as in the first variation, although there Bg8+ is move four.

Proud of it!

Jun-22-12  solskytz: Heh! I see that in the game white chose something else than my 'chirurgical' Bg8 check...

there's beauty in his solution, too :-]

Jun-22-12  sevenseaman: <scormus> <But I'll take what satisfaction I can that the first line I went with was the game continuation. After all, a 8-move # is something I dont often get.>

It would be rare good chess players who can spot the 8-mate all at once. The thought that pushed me into the combination was that my R sac was immediately coming back and with my lsb rightly pointed I'd be able to crowd the Black K out of his lair. When I force him to step out into the porch on g5 I had men waiting.

The game line was my first line too. Perhaps game continuation is the most natural line with a stream like flow. Only decision that came up for me was at the 38th, Q or B. Q made more sense.

When the moves are all forcing, it matters little whether its 8-mover or 12-mover or whatever. Still a good job.

Jun-22-12  rilkefan: I had planned 38.Bg8+. Didn't work it out to the end with board vision, but I probably would have entered this line anyway given the white forces available against the black king and the embarrassed black rook.
Jun-22-12  BlackSheep: 35.Rxh7 , Kxh7
36.Qe7+ , Kh6 37.Qxf8+ , (Kg5 ,Qf4#) Kh7
38.Qg8+ , Kh6
39.Qh8+ , Kg5 40.f4 , (Kf5 , Qe5 , Kg4 , Bf3#)or
40.f4 , Kg4
41.Bf3+ , Kf5
all forced so I'm happy with this one there may be a snazzier way of doing it but this works for me (unless of course I've overlooked something which I dont think I have)
Jun-22-12  BlackSheep: Aaah , Bg8+ - e6+ intermezzo is a bit snazzier I guess just repositioning the Bishop a min but I'm still pleased all the same , its nice to get a Friday all the way to the end and I havent been here much lately the Euro has been consuming the last fortnight
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