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Vladimir Borisovich Tukmakov vs David Norwood
1st VISA Chess Summit (1990), Reykjavik (Iceland)
Benoni Defense: Classical. New York Variation (A70)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Given 6 times; par: 31 [what's this?]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Nov-24-08  LoveThatJoker: I actually have an answer to my own question:

Go here and read more on this tournament that was sponsored by VISA and IBM,

http://www.olimpbase.org/1990vs/199...

LTJ

Nov-24-08
Premium Chessgames Member
  PinnedPiece: Personal goal for Mondays: Solve in 30 seconds.

Came up with the R-N (Q-K fork) as most viable after about three minutes. This was because of several alternatives that could have led to mate (I had to check them)....

Performance: This all took about 3 minutes.

Result: Failure.

Nov-24-08  JG27Pyth: By no means an easy Monday IMO... (where's the queen sac I'd like to know!?) the d7 fork wouldn't be hard to find if it weren't for the wealth of other promising attacking options to sort through...it's a "my cup runneth over" sort of position.

... Elvis Costello's "Welcome to the working week..." is running thru my head.

Nov-24-08  griga262: Why didn't black play 27... Qe6?
Nov-24-08  desiobu: I actually went with Rxf6 with assumption that one can assault the king into dropping material somehow.

28. Rxf6 Bxf6 29. Qxh7+ Bg7 30. Rf1+

The king has two options:

30...Ke8 loses to 31. Qg8+ and 32. Qxg7+

30...Ke6 31. Nh5 and it's only a matter of time before the black king is rounded up. It cannot retreat to the 7th rank because that drops the pinned bishop immediately.

The text is probably a clearer win for white though

Nov-24-08
Premium Chessgames Member
  YouRang: A tale of two knights:

Black's is pinned, so we can look for ways to exploit the squares that it only pretends to guard.

White's is in checking range of black's king, which makes forking tactics highly probable.

Making these observations is 90% of the solution. The other 10% is seeing that 28.Rd7+ exploits the pinned knight, forcing 28...Qxd7, and springing the knight fork, 29.Nxe5+, winning.

Nov-24-08
Premium Chessgames Member
  kevin86: White sacs the rook,forks king and queen and captures the queen.

White ends with a queen for a bishop and knight-and easy win.

A little harder than usual for Monday.

Nov-24-08  njchess: Like many others, I spotted Rd7+ with Nxe5 as one of my candidate moves, but I set it aside while I looked for other, more forcing moves. Seeing none, I returned to 28. Rd7+.

Black's problems obviously begin with the odd and ill timed 9. ... Nh5 move. He would have been better served by continuing his development with a6, b5, Bb7, Re8 for example. In fact, given the center is essentially locked, this knight move gives White time to develop a strong king side attack.

I suspect Black may have looked back at this game and wondered, "What was I thinking?!?"

Nov-24-08  bullsbehad: Can't say I like the in-game move.
28. Rd7+ Qxd7 29. Nxe5+ Ke6 30. Nxd7 Kxd7

Black has now lost a rook and a knight for a pawn and queen, and in return is left in a cat and mouse position for mate. Yes, a reasonable person would resign by now, but I prefer the simple things...like mate!

The first move, IMHO should be 28. Rxf6 seems far more forcing and leads to a definitive mate in about 6 turns?

Either way white wins, but not I, and the thought of loosing a Monday puzzle when 'arguably' finding a more secure mate is just not setting well with this novice. Okay I will hide now, so someone can rip me apart with a 13 ply-deep computer model showing why the in-game move was more sound.

Nov-24-08
Premium Chessgames Member
  Phony Benoni: <An Englishman> I think that the New York Variation is defined by White's early h3 (on move 7 or 8). The first game in our database usinng it is Bisguier vs Feuerstein, 1956, played in the Rosenwald Tournament in New York.

Feuerstein drew that game, and also drew against Reshevsky in the same variation later in the tournament. After that promising start for Black, we have a gap until 1985 when the idea starts to become more popular.

It's one of those irritating little prophylactic ideas that stop Black's counterplay based on ...Bg4 or ...Ng4-e5. Maybe a little slow, but you can see what it did to a Benoni-pro like Norwood in this game.

Nov-24-08  zb2cr: Hi <ewart cooper>,

You wrote: "queen to e6 then what"

I don't understand your comment. In the given puzzle position, neither side's Queen can legally move to e6. Please clarify.

Nov-24-08
Premium Chessgames Member
  patzer2: For today's "easy" Monday puzzle solution, White plays 28. Rd7+! to combine the Double Attack, Pin and Knight Fork tactics for the win.
Nov-24-08  TrueBlue: you see what happens <chessgames>, you throw a non-queen-sacrifice Monday and everyone is heeeeeeeeelp, what is happening here !?!?!? I hope there are more Mondays with non-queen sacrifices.
Nov-24-08  zb2cr: Hi <bullbeshad>,

On the first page of kibitzing, <MostlyAverageJoe> posted the results of an evaluation using Hiarcs that partly agrees with you: 28. Rf6 leads to a forced mate, while 28. Rd7+ leads to a killing edge in material.

However, the evaluation shows a forced mate in 14, not the 6 or so you suggest. So it looks as though Black's defensive resources are a little bit more than you believe.

Nov-24-08  MiCrooks: I too immediately looked at Rxf6 and saw it was crushing. I figured there was something else hiding there since it was a Monday but didn't look further. I did consider playing Qxh7 first as well but saw that Rxf6 was even better.

Funny thing is that both are better than the "right" move Rd7, though from a practical standpoint it is so obvious that it leads to immediate resignation, so on that basis it is probably the "best" move.

Nov-24-08  mworld: Rxf6+ was my move and it was very crushing leading to both a gain of the queen and minor piece eventually - i checked it on the computer as well. Although Rd7+ if i had looked at first, i would have played also.
Nov-24-08
Premium Chessgames Member
  notyetagm: 28 ?


click for larger view

28 ♖d1-d7+!, a simple <KNIGHT FORK> combination which wins instantly.

28 ♖d1-d7+! 1-0


click for larger view

It never ceases to amaze me just how nasty <KNIGHT FORKS> are and how even GM level players miss them, like GM Norwood here.

(CONT) 28 ... ♕c7x♖d7 <deflection from e5, decoy to d7> 29 ♘g6xe5+ <knight fork>


click for larger view


click for larger view

Nov-24-08  Woody Wood Pusher: 28.Rxf6+ did it for me.
Nov-24-08  gambitfan: I saw quite quickly the 3 candidate moves :

Rxf6+

Rd7+

Qxh7

I finally chose 28 Rxf6+ without further investigation... I was vaguely anticipating a mating process

28 Rd7+ wins the Queen attracting her into a fork by the Knight !

Nov-24-08
Premium Chessgames Member
  gawain: For me this was another instance of the truth that direct mental assault on a problem not always the best method.

I studied the board for a few minutes and simply did not see anything that won in an "easy" manner. Then I looked away and thought about something else for a couple of minutes. When I looked back at the board the check and fork jumped right out at me.

Nov-24-08
Premium Chessgames Member
  DarthStapler: Got it
Nov-24-08  garrido: very easy
demasiado facil el acertijo
not have who say
Nov-24-08  Iron Dragon: I hate being chess-retarded. I went Rxf6 and went around that way. The Knight is pinned!.....
Nov-25-08  viky: It took few seconds to spot this one!

28 Rd7+ Qxd7 29 Nxe5+ ..

Oct-18-13  Cemoblanca: 'Operation Norwood'. ;)

28.Rd7+! was certainly not a bad choice, but the proper move was here 28.Rxf6+!! Bxf6 There was nothing better. 29.Qxh7+ Bg7 30.Bh6! Ke6 31.Bxg7 and mate soon.

Great game.

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