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William James Lombardy vs Robert James Fischer
US Championship (1957/58), New York, NY USA, rd 10, Jan-01
King's Indian Defense: Normal. King's Knight Variation (E60)  ·  0-1

ANALYSIS [x]

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sac: 47...Rb2+ PGN: download | view | print Help: general | java-troubleshooting

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Apr-05-13
Premium Chessgames Member
  agb2002: Black has a knight and a pawn for a bishop.

White threatens 48.Kxa4 and 48.d7 followed by Re8 and d8=Q.

The first idea that comes to mind 47... c2 fails to 48.Re1 (48.Kxa4 c1=Q followed by a mate attack) 48... Nc5+ 49.Kc3 (49.Kb2 Nd3+).

Another option is 47... Rb2+ to force the white king to go to a square such that the promotion on c1 is with check:

A) 48.Kxa4 c2 49.Re1 (49.d7 c1=Q 50.d8=Q Qa1#) 49... Rb4+ (49... Rb1 50.d7 Rxe1 51.d8=Q c1=Q 52.Qf1+ Kh5 53.Bf3#) 50.Ka3 Rb1 51.Rxb1 (51.d7 Rxe1 52.d8=Q c1=Q+ 53.Kb3 (53.Ka2 Re2+ and mate soon) 53... Qb1+ mates or wins the queen) 51... cxb1=Q 52.d7 Qb4+ 53.Ka2 Qd4 - +.

B) 48.Ka3 c2 49.Re1 Rb1 as in A.

C) 48.Kc4 c2

C.1) 49.d7 c1=Q+ 50.Kd5 (50.Kd4 Qc5+ and 51... Qxe7; 50.Kd3 Rd2+ 51.Ke4 Qe1+, etc.) 50... Qc5+ 51.Ke6 Re2+ 52.Kf7 Qxe7+ 53.Kg8 Qg7#.

C.2) 49.Re1 Rb1 is similar to previous lines.

Apr-05-13  Dr. J: My solution was 48...Rb4+ 49 Ka3 c2. Is this better, worse, or equivalent?
Apr-05-13  diagonalley: i missed 49... R-N5+ ! which, as <bartimaeus> pointed out, is crucial in providing for promotion with check. good puzzle
Apr-05-13  Bartimaeus: <Dr. J: My solution was 48...Rb4+ 49 Ka3 c2. Is this better, worse, or equivalent?>

I think its equivalent. Continuing your line we have :

50. Re1 Rb1 which is same as the game position on move 51. This move order change doesn't seem to make a material difference. Congrats on finding the intermediate check.

Apr-05-13  Abdel Irada: <<•>Comparative advantage?<•>>

Both players are within striking distance of queening, but it is Black to move. Can he convert this tempo into the winning margin? One thing is sure: Getting a queen on the board with gain of time is more important than the soon-to-be-superseded minor pieces.

This suggests

<<•> 47. ...Rb2† >.

Here there is no point in declining the sacrifice, since to do so only acquiesces in permitting Black to queen with check.

<<•> 48. Kxa4, c2 >

Now White has a decision to make: Push his own pawn, threaten Black's king, or try to stop Black's pawn?

< (1) 49. d7?, Rb4†
50. Ka3, c1=Q†
51. Ka2, Qb2# >

What of the threat against the king?

< (2) 49. g4 ... >

White threatens 50. g5† followed by 51. Bf3#.

< 49. ...Rb4†!
50. Ka3, c1=Q†
51. Ka2, Qb2# >

Defense it must be, then.

<<•> (3) 49. Re1, Rb4†! >

Again this is a decisive intermezzo.

<<•> 50. Ka3, Rb1 >

Another decision-point: Push on or try to interfere?

Not worth examining is (a) 51. Rxb1?, cxb1=Q 52. d7, Qd3† .

< (3.1) 51. d7?, Rxe1
52. d8=Q, c1=Q† >

Black queens with check and will mate shortly.

<<•> (3.2) 51. Rc1, Rxc1

52. Kb2, Rd1

53. Kxc2, Rxd6 >

This is, relatively, White's best defense. But Black is the exchange and a pawn ahead, and White no longer has counterthreats; for all practical purposes, the game is over. Black has successfully converted the comparative advantage of a crucial tempo into the global advantage of a decisive material plus.

Apr-05-13  morfishine: As <HeMateMe> pointed out, 43.Rxc4 is better
Apr-05-13  Hongkonger: The first Friday I have got for a while, but I have been looking at endings recently. I was sure that the key had to be to get the white king onto a3 so that black queens with check. Otherwise if both sides queen the result could be quite the opposite after white plays Qf8+.
Apr-05-13
Premium Chessgames Member
  whiteshark: <It's already Friday, yeah>

Laziness is a habit to rest before you get tired. ^ ^

Apr-05-13
Premium Chessgames Member
  FSR: Tricky. <47...Rb2+! 48.Kxa4> (48.Kc4? c2 49.Re1 Rb1 50.d7 Rxe1 51.d8(Q) c1(Q)+ ; 48.Ka3? c2 49.Re1 Rb1 50.d7 Rxe1 51.d8(Q) c1(Q)+ ) <48...c2 49.Re1> (49.d7 c1(Q) 50.d8(Q) Qa1#; 49.g4 c1(Q) 50.g5+ Kh5 51.Bh3+ (or 51.Rxh7+ Kg4) Kxh4 and the king escapes) <49...Rb3+!> (a critical finesse, drawing the king onto a square where Black's pawn will promote <with check>; not 49...Rb1?? 50.d7 Rxe1 51.d8(Q) c1(Q) 52.Qf8+ Kh5 53.Bf3#) <50.Ka3 Rb1> (only now) <50.d7> (50.Be4 Rxe1 51.Bxc2 Re6 52.d7 Rd6 wins the pawn) <50...Rxe1 51.d8(Q) c1(Q)+> and Black mates in short order.
Apr-05-13  James D Flynn: Black is a pawn up bu his N ona4 is attacked by the Black K and if the N moves the extra pawn will be taken by the K. Candidates 47.c2, Rd2, Nc5+. 47……c2 48.Re1(not d7 c1=Q 49.d8=Q Qc3+ 50.Kxa4 Qb4#) Nc5+ 49.Kc3 Na4+ 50.Kb3 with repetition. 47……Rd2 48.d7 c2 49.d8=Q(threat 50.Qf8+ Kh5 51.Qf3+ Kh6 52.Qf4+ g5 53.Qxg5#) )c1=N+ 50.Kc4(not Kxa4 Ra2#) Rc2+ 51.Kd4 Rd2+ 52.Ke5 Rxd8 and both dangerous passed pawns are gone and Black is up a N and a pawn in the endgame, enough to win. 47…..Nc5+ 48.Kxc3(keeping the R off the d file) Rf1 49.g4 Rd1 50.Bf3(threat of g5# forces Black to create an escape square) g5 51.Bxd1 and White is a R up with an easily won endgame.
Apr-05-13
Premium Chessgames Member
  chrisowen: At boggling under the radar dynamo re bus to catch info,

bull c3 (shine throughs) lash over b2 first ok etc,

he fire off a cap swooping boot he at door in go more b2 be favoured it no need took alive cuffed,

ate piece of cakes like a bearing aplomb finger enough in dutiful lerks a4 ready in pouncing up ply in light rent he river tickle at shoeing 27.qg4 qe7 28.rd3 nd6 colds we dish up staccato 28...c4 to,

free pan handle in jackaroo 28...nd6 ok in wall it is missing a trick to pin cued c5 for knight and,

queen in earnest fat he mighty cock up along the way by both sides to be expected 28...c5 o ke alive.

Apr-05-13
Premium Chessgames Member
  benveniste: The first move is fairly easy to find, but ♖b4+ is the winning move.
Apr-05-13
Premium Chessgames Member
  kevin86: nice ending by black...the last word was that the advanced d-pawn is a goner.
Apr-05-13  MountainMatt: Wow, way too easy for Friday (I NEVER get Fridays!). 47...Rb2+ is obvious, followed (I assume) by 48. Kxa4 c2 49. Re1 Rb1, and then I would think white's best is 50. Be4 (certainly not 50. Rxb1??), but still pretty much toast.

Ah, I didn't think of 49...Rb4+, putting the king in check-by-the-queened-pawn territory. Clever Mr. Fischer!

Apr-05-13
Premium Chessgames Member
  ajk68: Amazing, Rb4+ converts a loss into a win. I had not worked out white's mate if he has the tempo.
Apr-05-13  RookFile: Fischer talks about the adjournment in his first book, Bobby Fischer's games of chess (The one he wrote before My 60 Memorable games.) It's worth a read.
Apr-05-13  RookFile: <bartonlaos: In this game there was some cause for the beating which "technique" took. While Fischer burned the midnight fuel studying the adjourned position, Lombardy labored over a psychology report, due in school the next day. Thus Lombardy came to the game completely unprepared, and oblivious to the pitfalls which awaited him. This victory, by the way, placed Fischer in first place - a position he never relinquished. >

It's too bad Lombardy couldn't see the future. Can you imagine having a win over Fischer on your resume? How many more books, etc. could he have sold?

If he had only known, it would have been Lombardy too who also analyzed this all night, looking for traps to set for Fischer.

Apr-05-13  Monkeyboy56: Does anybody know why Lombardy passed up the pawn at c4 on move 43?
Apr-05-13  BOSTER: <RookFile>
<It's too bad Lombardy couldn't see the future>.

Through this game he was already able to see the future. FISCHER-SPASSKY '72.

Apr-05-13  Coigach: Marvelously instructive endgame from 55 years ago.

Thanks, <bartonlaos> for the ChessLife story.

Apr-05-13  Patriot: Black is up a pawn.

The variation I'm seeing starts with 47...Rb2+:

48.Kxa4 c2 49.d7 Rb4+ 50.Ka3 c1=Q+

48.Kxa4 c2 49.Re1 Rb4+ 50.Ka3 Rb1 51.d7 Rxe1 52.d8=Q c1=Q+

The key here seems to be the zwischenzug, ...Rb4+, putting the white king on a checkable square to gain time.

Apr-05-13  stst: Black wants to promote the c-P, White to stop it by all means. To secure the promotion, Black has to safeguard it, and make a sac with both its R and N: 47.......Rb2+ (to get close to the P)
48.Kxa4 (cannot stop the promotion whether taking off the N or not) c2 49.Re1 (last resort to try to stop the c-P) Rb1 (sac) 50.Rxb1 cxb1 to become Q
The rest should be easy for Black.
Apr-05-13  engmaged: got it! but not before I fall into a lot of fantasy about 47... c2 48.Re1 Nc5+ 49.Kc3 and trying to march with the a pawn ... it took me over an hour to refute the whole line and going to the obvious 47... Rb2+ ... I think this what happens when you pick the wrong candidate first.
Jun-24-19  Patzer Natmas: Game featured in "New in Chess - Tactics Training - Bobby Fischer"

Solve for black on move 46...

Jun-24-19  Granny O Doul: These guys must be good to have made it into a New in Chess tactics training thing. I'll keep an eye out for both of them.
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