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| Apr-06-11 | | twin phoenix: i love the denouement also! Black eschews first chance of capturing Q for mate... a beautiful game. |
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| Apr-06-11 | | stst: too many options, clue is to clear out the h-file for the double rook.
29... Qxf1 is first reaction followed by the "N-block" A considerable long shot could be:
29... Nh5+
If (I) 30.Kh2 Nhf4+ 31.Kg1 RxR+ 32.Kf2 QxR#
<If 31.Kh2 then repeat (I)> If (II) 30.Kg2 Nhf4+ 31.Kf2 Qxf1+
if (a)32.Rxq Rh2+ 33.Kg1 Rh1+ 34.Kf2 R8h2#
if (b)32.KxQ Rxh1+ 33.Kf2 R8h2#
...hurry in lunch, might miss something in between... |
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Apr-06-11
 | | doubledrooks: Count me among those who went for 29...Ng1. |
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| Apr-06-11 | | MaczynskiPratten: A curious feature of today's position is that the White King is stalemated but that in order to force checkmate you have to release the stalemate at some point in all the different solutions. |
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| Apr-06-11 | | MiCrooks: After Qxf4 Rh2 is a bit unneccesary. Simply g or e xf4+ and White is mated just as surely. Kxf2 Rh2+ Kg1 Rg1+ K any R8h2++. |
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| Apr-06-11 | | cyclon: "Boys, those were the days!" (Joking). Now, strange-looking move 29.-Ng1 seems to win something in almost every case if I'm not over-hallucinating. Move is threatening mate starting with -Rh3+ from g2, so 30.Rhxg1 or Rfxg1 can't be played. 30.Rxh4 Qxf1 wins. Entrepreneurial 30.Qxg1 gets -Rh3+ and with or without rook-exchanges Kf2 Qc5X. "Escape" 30.Kf2 is followed by -Rh2+ 31.Rxh2 Rxh2+ 32.Kxg1 Rg2X. Maybe something else is also there. So, my friends, I think it's starts slowly to be the right time for Black to give some glances into his CUFFLINKS and check surreptitiously are they still in `design`. |
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| Apr-06-11 | | cyclon: Ooh! There was that `something´! Chess can be soo-o surprising every now and then. But it seems that 29.-Ng1 does the day, too - I`m now TOO tired to analyze. |
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| Apr-06-11 | | SamAtoms1980: Had the right idea. I found 29....Qxf1 30.Rxf1 but then played 30....Ng1. |
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| Apr-06-11 | | sevenseaman: I cannot honestly say I tried Bg1. But it did cross my mind, only I did not analyse. Frankly 29.. Qxf1 occurred too early because it was a Q sac too, puzzle gimmickery. Every day I promise myself I will take more time the next day and every next day I renege. |
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| Apr-06-11 | | MountainMatt: I knew 29. Qxf1 had to be the right move (though Nf2 also drew my attention for a spell), but in the three minutes I had available to cudgel my brains, I was unable to find any of the winning conclusions. However, since I rarely get even the first move right on Wednesdays, I'm damned near overjoyed! |
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| Apr-06-11 | | sevenseaman: I cannot honestly say I tried Bg1. But it did cross my mind, only I did not analyse. Frankly 29.. Qxf1 occurred too early because it was a Q sac too, puzzle gimmickery. <David2009> was so close to the solution. Every day I promise myself I will take more time the next day and every next day I renege. |
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| Apr-06-11 | | morfishine: <sevenseaman: How can I not have got 30...Nf2, the last and the simplest step to nirvana!> You got the first part <29...Qxf1>; took me awhile to figure it out as I was fixated on <29...Ng1> then realized the purest way was the queen-sac then clearing with <30...Nf2> The doubled rooks are just too strong; Note: Black didn't need to play <31.Rh2> since 31...exf4+ 32.Kxf2 Rh2+ mates anyways :) Morf |
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| Apr-06-11 | | YouRang: Once again, a puzzle that can be solved by finding a potential mating tactic that is being thwarted, and then unthwart it. In this case, my (black's) doubled rooks on the h-file would quickly mate the white king if (1) my knight were not in the way and (2) white's rook wasn't guarding h2 and h3. This prompts a search for a way to remove those obstacles. Moving the h3 knight immediately simply exchanges rooks, and doesn't look so promising. However, the rook that is defending the h-file is also defending the other rook (i.e. it's overworked). I am attacking that other rook with my queen, so I can contemplate a Q-for-R sac. If I deflect the Rh1 with <29...Qxf1 30.Rxf1>, I've removed obstacle #2, and I may safely remove the obstacle #1: <30...Nf2> (not 30...Ng1 31.Qxg1 and h2 is defended). Simply put, white is helpless against my threat to play ...Rh3+, and end up with rooks on h2 & h3 -- which will be mate. |
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| Apr-06-11 | | SuperPatzer77: Black's only move for a win is 29...Qxf1!, 30. Rxf1 Nf2!, 31. Qxf4 Rh2!, 32. Qxg5+ fxg5, 33. Rxf2 (or Bxf2) R8h3# 0-1 SuperPatzer77 |
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| Apr-06-11 | | ajile: Got it 100%. The king is boxed in so rook attack on h file is logical. 29..Qxf1 moves the Rh1 off the h file. |
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| Apr-06-11 | | WhiteRook48: I considered 29...Qxf1 but then switched to stupid 29...Nh5+... I'm so chess blind |
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| Apr-06-11 | | Lambda: Black's position here is insanely good, it seems he wins just be choosing any plausible-looking attacking moves. He can completely waste his move here with something irrelevant like 29... a5 and still retain an advantage of over six pawns. (Went for 29... Ng1 and a few suboptimal-but-still-winning lines since they were the first I thought of, like 30. Rxh4 gxh4+ 31. Kh2 Qxf1) |
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| Apr-06-11 | | sevenseaman: I am impressed by the number of standard puzzle solutions being shredded to bits and many more lines putting up equally viable claims. What enthusiasm! Its like a catchy tune; you do not even consciously know when you start humming it. |
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| Apr-06-11 | | TheBish: M Bab vs Dus Chotimirsky, 1911 Black to play (29...?) "Medium/Easy"
I started out looking for a clearance move for the h3 knight, i.e. ...Nf2, which seems to win an exchange (29...Nf2 30. Kxf2 Rxh1), or possibly more (29...Nf2 30. Rxh4 Nd1! 31. Qg1 Rxh4 and White will have to give up the queen to stop mate), and then started wondering if it was better to sacrifice the queen first, to divert the h1 rook away from the h-file, allowing an easier win. However, after 29...Qxf1 30. Rxf1 Nf2 31. Qd2! (but not capturing on f2, since any capture leads to mate, e.g. 31. Kxf2 Rh2+ 32. Kg2 Rg2#) and the king will escape to e3 after 31...Rh3+ 32. Kxf2 Rh2+ 33. Ke3 and Black has simply lost a piece. However, no queen sac is needed, and after further review, Black wins easily in all lines with my first choice move. 29...Nf2! 30. Rxh4
Most captures on f2 lead to mate after 30...Rh3+, except for 30. Kxf2 Rh2+ 31. Rxh2 Rxh2+ 32. Kg1 Rg2+ 33. Kh1 Qxf1#. 30...Rxh4!
This is simplest, instead of going into the line with 30...Nd1, as the white rook is now hanging and there is no move to save it -- Qd3 and Qe2 are not possible because of the Nf4, 31. Rxf2 and 31. Kxf2 both lead to mate, and 31. Rg1 Rh3+ (or 31...Nd1) 32. Kxf2 Rh2+ 33. Kg3 Qf1!! 34. Rxf1 (or 34. Kxg2 Qg3#) Rg2#. I think this is correct -- doing it from the diagram, so it's time to check (it might be mate). ~~~~~~~~~~~~~~~~~~~~~~
Hmmm... I should have stayed with my hunch of 29...Qxf1(!!) and worked it out -- missed the simple 31...Rh2! as in the game after my above analysis of 31. Qd2, and mate is unavoidable. Strange, as I always love a good quiet move! |
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Apr-07-11
 | | LIFE Master AJ: I somehow sensed that Black had to sack the Queen ... I think I saw this one before ... tough problem, though. (I spent as much time on this one as a Sunday problem - which is nuts.) |
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Nov-18-24
 | | FSR: Beautiful finish! |
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Nov-18-24
 | | Check It Out: 20...Nef4 is the first really interesting move. Sac the knight to open the g-file; too risky to accept.
click for larger view29...Qxf1 queen sac hits hard, making the h-file the real theater. 
click for larger view30...Nf2 initiates a series of counter strikes: 31.Qxf4 Rh2 32.Qxg5+ fxg5 0-1 
click for larger viewResign one move before mate, the gentlemanly way 
click for larger view |
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| Nov-18-24 | | goodevans: <Check It Out: 20...Nef4 is the first really interesting move. Sac the knight to open the g-file…> I don’t think that’s what Black had in mind. I would imagine he intended to recapture with the other N after first invading with the Q, so <21.gxf4? Qh3> followed by <22…Nxf4>. The threat of mate on g2 can only be parried at huge cost to White. I’m not saying you’re definitely wrong since opening the g-file is also strong so he might have been planning that, but the recapture with the N looks more instantly winning. |
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Nov-18-24
| | Check It Out: Hi goodevans, I see that now, thank you. |
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| Nov-18-24 | | YoungEd: I'm guessing that White's point of 9. ♘d2 was to follow with f4. Black's response of h6 and g5 stops that, and White can't really find good places for his pieces afterwards. Black's pawn advances look weakening at first, but White has no real attacking chances. Interesting game! |
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Kibitzing
+ sac: 29...Qxf1