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Later Kibitzing> |
| Sep-03-04 | | wall: What's the losing move or where can White improve? Maybe 27.d6 instead of 27.Qg4. Maybe 31.Qg4 instead of 31.Qd7+. Maybe 33.Be6 instead of 33.Bc6. Maybe 44.Re4 instead of 44.h4. Finally, maybe 46.Kd3 instead of 46.Kc2. |
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Jan-12-06
 | | Mateo: This is not Fischer at his best. Errors from both sides in the ending. 30. Bh3? leads to a lost ending. Better 31. Qe7 Re7, and it will be difficult for Black to break through. 37... Nd1? was a blunder from Fischer. Now the Black Knight is misplaced, and to come back in the game, he must sac the c pawn. He should have played 37... c4 winning easily, as White cannot play 38. Re5?, because of 38... Nd3, and Black threatens 39... Na4. 44. h4? is a fatal error. Best repeat moves with 44. Re4, and then take the c4 pawn. |
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| Sep-30-06 | | tonsillolith: What is wrong with 43. Rxc4 taking the pawn? |
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| Feb-10-11 | | bartonlaos: ChessLife Jan 20, 1958:
The Lessing J. Rosenwald Tournament for the US Championship came off duly during the 22 days, Dec 17 - Jan 8, and in every way proved a memorable event. Perhaps, though, the adjourned games furnished the most unexpected, if not the most exciting moments in the event. The resumption of an adjourned game is usually a very dry affair, the winning or drawing of which is "just a matter of technique." In this event, however, that old cliche could well have been scrambled to read "technique - it just doesn't matter." The tale of two representatives' adjourned games serves admirable to illustrate this point. World Junior Champion, Bill Lombardy, faced Bobby Fischer in the tenth round. The game was a twisting, intricate, complicated struggle - the advantage shifting constantly from one side to the other. At the fortieth turn, Lombardy chose to seal his move. Fischer had a pawn advantage, but a glance at the position showed that Lombardy had all the winning chances. Reshevsky, after a look, said he could think of no way "the little kid" could save himself. So, players and spectators alike, assured the win for Lombardy was "just a matter of technique." The next evening the sealed envelope was ripped open and Lombady's move was made on the board. Fischer cogitated only for a few seconds, and made the only correct and saving reply. Lombardy's next move and Fischer's reply now brought about a repeated position, and a question swept through the crowd - Would Lombardy let Fischer off the hook so easily? No. After ten minutes thought Lombardy tried a different move <44. h4>. Fischer answered at blitz speed. Lombardy now took thirty minutes. He looked worried, and rightly so. His next move was a blunder. Fischer, playing swiftly, forced a number of moves which won the exchange. With not even a drawing chance left, Lombardy resigned. 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. |
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Feb-11-11
 | | HeMateMe: why doesn't white play 43. Rxc4? Free pawn? |
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| Feb-11-11 | | bartonlaos: <43. Rxc4> leads to a drawn position. The article suggests that everyone thought White would win, so his aim was not to let Black off the hook. |
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| Apr-14-11 | | shalgo: <What's the losing move or where can White improve? Maybe 27.d6 instead of 27.Qg4.> Silman recommends 27.d6! for White. In turn, he recommends that Black respond with 27...c4! |
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| Apr-14-11 | | Mozart72: Lombardy's 37.50% win probability in move 53 and Fischer's 37.50% win probability in move 53 shows that the game could have ended in a draw. |
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| Apr-17-11 | | DWINS: Fischer (and Silman) miss 28...c4! which gives Black an advantage of -0.86 compared to only -0.06 for 28...Nd6 according to Houdini 1.5a calculating to a depth of 24 ply. |
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| Apr-17-11 | | fab4: 28..c4!? looks logical enough. Opens up c5 for the Queen or Knight and the pawn is immune from immdeiate capture. 28.. Nd6 just looks super solid and more natural tho! |
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| Jan-27-12 | | screwdriver: I like the way Fischer got into a nice endgame position. |
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Jan-28-12
| | HeMateMe: After move 28 Fischer seems to have reached the desirous position. Most of the white pawns are fixed on the same color as white's LSB. The Knight is better than the Bishop. |
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| Apr-05-13 | | Bartimaeus: An interesting endgame position. Queening possibilities on both sides. However, black has the move and hence the tempo. There seem to be primarily two candidates here : 47. ...c2 and 47. ...Rb2+ A) 47... c2 48. Re1 Nc5+ 49. Kc3 and black can't make progress. (Anything other than Kc3 is lost for white after 49.. Nd3) B) 47... Rb2+ 48. Kxa4 c2 49. Re1 Rb1 and that should enable the black pawn to Queen or win the rook. Seems like option B it is. Looking at the game line, it seems Fischer made a very interesting intermediate check, 49. Rb4+. The point of this seems to be that black will be able to Queen on c1 and check the king on a3 simultaneously thus forcing White to play Rxc1 rather than d7! on the move c1=Q. A very astute endgame move truly elevating this puzzle to a Friday. Very nice endgame and thanks cg. |
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| Apr-05-13 | | Bartimaeus: On second thoughts, after Rb1, d7 can still be played. However, after d7, black has Rd1 which wins. The point regarding Queening with check stands and allows black to obtain a useful tempo. |
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| Apr-05-13 | | vinidivici: VERY easy for friday. But maybe that just for me. For the one who isnt familiar with endgame tactics, maybe this could be difficult. Anyway, good puzzle. |
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| Apr-05-13 | | 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. |
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| Apr-05-13 | | Dr. J: My solution was 48...Rb4+ 49 Ka3 c2. Is this better, worse, or equivalent? |
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| Apr-05-13 | | diagonalley: i missed 49... R-N5+ ! which, as <bartimaeus> pointed out, is crucial in providing for promotion with check. good puzzle |
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| 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. |
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| 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, Rxc152. 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. |
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| Apr-05-13 | | morfishine: As <HeMateMe> pointed out, 43.Rxc4 is better |
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| 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+. |
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| Apr-05-13 | | whiteshark: <It's already Friday, yeah> Laziness is a habit to rest before you get tired. ^ ^ |
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Apr-05-13
 | | 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. |
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| 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. |
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Kibitzing
sac: 47...Rb2+