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Larry Melvyn Evans vs Alberto Foguelman
Buenos Aires (1960), Buenos Aires ARG, rd 11, Jul-07
Formation: King's Indian Attack (A07)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Dec-20-11
Premium Chessgames Member
  gofer: What a waste! Black threw away a tempo on his 21st move...

21 ... f6
22 ... f5

The game could have gone in a completely different direction!

Dec-20-11  sambo: Am I the only one who thought 25. Rxb6 could be a solution? If the black queen moves off the a8-h1 diagonal, the bishop is toast; if it moves off the 7th rank checkmate follows; and Ne6 is met as in the text.
Dec-20-11
Premium Chessgames Member
  lost in space: Took me a while to see that 25. Rd7 is crushing. Don't know why, I thought after 25...Nxd7 the square g7 would be still protected from Qb7....so this was my private hurdle to see that Rd7 is soooo strong.
Dec-20-11  jackpawn: I found the solution immediately. It's funny how certain 'themes' are more imprinted on my mind than other themes. Interference tactics always just jump out at me.
Dec-20-11
Premium Chessgames Member
  kevin86: I saw Rxb6 but black had some escape moves---then is saw the direct Rd7. Black has a counter but is unable to recapture the queen because of the mate:25 ♖d7 ♘e6 26 ♖xb7 ♘xg5 27 ♖xg7+ ♔h8 28 ♖xg5+ and mates next.
Dec-20-11
Premium Chessgames Member
  Phony Benoni: Just to stop the interference.
Dec-20-11
Premium Chessgames Member
  chrisowen: Rd7 Ne6 scooper hold pigeon street!

Pecking suprise it has been layed before h3 Larrys mecurial talent it takes awat g4 and flipflop QID by e4 ground.

My main concern in f5, surely there are more discern like deflect with h5?

At found rd7 swoops up rank so cop me a bird better known as Alberto man marriage made gaining queen heavens above looks Evans on mighty

<Rd7 Ne6 26.Rxb7 Bxb7 27.Qe7> ore

<Rf8 26.Rxb7 Bxb7 27.Rd8+ Rxd8 28.Qxd8+ Rf8>

Dec-20-11
Premium Chessgames Member
  Jimfromprovidence: In a tribute to the late Larry M. Evans, the LA Times chess column for November 28th, 2010 included this excellent puzzle from an Evans game in 1975.

It's white to play to win, move 24.


click for larger view

Here is the game link
Larry Evans vs Benko, 1975

Dec-20-11  Patriot: White is down a piece for a pawn.

The first thing that comes to mind is 25.Qxg7+ but that is hampered by 25...Qxg7, so 25.Rd7 interferes with defending g7.

25.Rd7

A) 25...Nxd7 26.Qxg7#

B) 25...Qxd7 26.Rxd7

B.1) 26...g6 27.Qe7 and mate next.

B.2) 26...Rf7 27.Rxf7 Kxf7 28.Qxg7+ followed by 29.Kxg2

c) 25...g6 26.Qe7 and mate in a few moves.

D) 25...Ne6 26.Rxb7

D.1) 26...Nxg5 27.Rxg7+ Kh8 28.Rxg5+ Rf6 29.Bxf6#

D.2) 26...Bxb7 27.Rd7 renewing the mate threat.

Dec-20-11  Patriot: <Jimfromprovidence> That was a tough problem, and he did it OTB!

24.f5 Nxf5 25.Rxe6+ fxe6 26.Rxe6+ Rxe6 27.Nxf5+ Kc7 28.Nxe6+

If 24...Rxf5, one possible line is 25.Rxe6+ fxe6 26.Rxe6+ Kc7 27.Rxe7+ Kd8 28.Nxf5 g6 29.Nxe6+ Kc8 30.Nd6+ Kb8 31.Re8#

Dec-20-11  LIFE Master AJ: 25.Rd7! Ne6▢; (Otherwise Black gets mated.)

26.RxQ/b7, and White wins in all lines. (I think.)

I met GM Larry Evans a few times. He was a decent Joe and a great chessplayer, gone all too soon, IMO. (RIP)

Dec-20-11  sevenseaman: <jimfromprovidence> Your Larry Evans puzzle has upset my sleep time by 1 hour. I was about to go to bed but its never easy for me to sleep on a problem. So I tried.

I selected e6 as my main hit point(Black's weak point). With e6 as objective, my moves have gone (so far) like this.

<24. f5 Nxf5>(its no use taking the P with the B as the N will be wasted under the Rs) <25. Rxe6+> (a must before the B can get off) <25...fxe6 26. Rxe6+ Rxe6 27. Nxf5+ Kc7 28. Ne6+ Kd7 29. Nexg7>

I must leave here, 1 hour 10 minutes gone. I think it should now be only a matter of promotion of the 'h' P or a threat of doing that. ~~~~~~~~~~~~~~~~~~~

I briefly saw I am on track but I'll like to find rest of the moves in the morning on my own.

Looks a great puzzle, fit for a Sunday.

Dec-20-11
Premium Chessgames Member
  Once: On the second day of Christmas
my true love gave to me,
two doubled rooks
and an interference on the seventh rank.

Happy Christmas!

Dec-20-11
Premium Chessgames Member
  Penguincw: Darn. I didn't get it. This is a nice way to win quickly but I was thinking of the deflection move, 25.♖xb6


click for larger view

Dec-20-11  M.Hassan: "Easy" White to play 25.?
White has a pawn for a knight.
White is one move away from checkmate if he can divert Black Queen from row 7

25.Rd7
<if ...Nxd7 26.Qxg7#> OR <if ...Qxd7 26.Rxd7 Nxd7 27.Qxg7#> 25...........Ne6
26.Rxb7 Nxg5
27.Rxg7+ Kh8
28.Rxg5+(discovered check) Rf6
29.Bxf6#

Winding back the game, on move 26 Black may not capture White Queen and the game will continue as below:

26..........Bxb7
27.Qe7 Rfe8
28.Qxb7
And White having Queen has great advantage in material. Time to check the actual game

Dec-20-11  BLS: uh, lessee...Rd7 maybe.

TIME to CHECK. I said, LET'S CHECK. TIME TO CHECK CHECK TIME TO CHECK TO CHECK...

Sorry, perhaps I need professional help, but the "time to check" and similar statements make me want to peel an onion with my a**hole. Geez.

Dec-20-11  ajile: <kevin86: I saw Rxb6 but black had some escape moves---then is saw the direct Rd7. Black has a counter but is unable to recapture the queen because of the mate:25 Rd7 Ne6 26 Rxb7 Nxg5 27 Rxg7+ Kh8 28 Rxg5+ and mates next.>

Actually mates on the move. In fact a cute way to end it could even be 28.Rg6# mate.

:o)

Dec-20-11
Premium Chessgames Member
  Penguincw: < ajile: <kevin86: I saw Rxb6 but black had some escape moves---then is saw the direct Rd7. Black has a counter but is unable to recapture the queen because of the mate:25 Rd7 Ne6 26 Rxb7 Nxg5 27 Rxg7+ Kh8 28 Rxg5+ and mates next.>

Actually mates on the move. In fact a cute way to end it could even be 28.Rg6# mate.

:o) >

Black still has 28...♖f6.

Dec-20-11  James Bowman: <Domdaniel: I also toyed with Rxb6, which should leave White a couple of pawns up, but isn't exactly decisive. Then noticed Rd7 works much better.>

Same route here.

Dec-20-11  ajile: <Penguincw: < ajile: <kevin86: I saw Rxb6 but black had some escape moves---then is saw the direct Rd7. Black has a counter but is unable to recapture the queen because of the mate:25 Rd7 Ne6 26 Rxb7 Nxg5 27 Rxg7+ Kh8 28 Rxg5+ and mates next.> Actually mates on the move. In fact a cute way to end it could even be 28.Rg6# mate.

:o) >

Black still has 28...Rf6.>

lol
dang you are right.

Dec-20-11
Premium Chessgames Member
  thegoodanarchist: <Jimfromprovidence: In a tribute to the late Larry M. Evans, the LA Times chess column for November 28th, 2010 included this excellent puzzle from an Evans game in 1975.

It's white to play to win, move 24.>

Thanks for that! Interesting and instructional play by Evans against a solid GM

Dec-20-11  Nullifidian: 25. ♖d7 interferes with the Black queen's protection of g7. Black can only stop an immediate mate by giving up the queen for the rook, e.g. 25... ♖f7 26. ♖xb7 ♖xb7.
Dec-20-11  sevenseaman: <Jimfromprovidence>

In Larry Evans vs Benko, 1975 this is the position after <29. Nge7>.


click for larger view

The 'h' P advances unhindered. Black's 'a' Ps are doubled and and cannot pass Whites 'a' and 'b' connected. White K can easily go K-side to support 'h' P's promotion. Both N too support each other and cannot be attacked. So 'h' P cannot be stopped. It can start its coronation march with h6.

Dec-20-11  stst: try the 1st key move:
25.Re7
IF (A)...QxR, 26.RxQ NxR, 27.Qxg7#
IF (B)...NxR, 26.Rxg7#
IF (c)...Rf7, 26.RxQ RxR, 27.Rd8+ RxR
28.QxR+ Kf7, 29.Qd5 K-any 30.QxR with over-whelming material gain
Jan-26-16  jerseybob: <gofer: What a waste! Black threw away a tempo on his 21st move... 21 ... f6
22 ... f5
The game could have gone in a completely different direction!>
After your suggested 21..f5 22.Qg5 the e-pawn still hangs and white still has an attack.
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