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|Apr-20-14|| ||Cheapo by the Dozen: I want the answer to be
21 ... N(either)f3+
22 gxf3 Nxf3+
but I don't see how Black can exploit the h-file quickly enough in the face of Kg2/Rh1.
|Apr-20-14|| ||Angusxxx: Very nice tactic.What a lot of 'silent moves'.For example:
If 22.gxf3 and now Nxf3 23.Kg2 Nh4+ Black only has perpetual check.
I like 37. ... d5!! it was the move of the tournament|
|Apr-20-14|| ||patzer2: Fascinating game, especially following today's Sunday puzzle solution 21...Ndf3+!! |
Like yesterday's solution, it's a highly promising best move with a strong attacking initiative and lots of opportunity for the opponent to go wrong. However, like Saturday's solution, it's also not a clear forced win.
Specifically 27. Nd4!=, ignoring the attack on the Bishop and bringing another piece to the King's defense, seems to hold:
Daniel Fridman - Arkadi Naiditsch, GRENKE Chess Classic 2013
click for larger view
Analysis by Fritz 12 (after 27. Nd4 @ 21/50 depth):
1. = (-0.24): 27...Qe8 28.Qd3 Nxf2 29.Kxf2 fxg3+ 30.Ke3 Rh3 31.Rf4 Be5 32.Rg1 Qg8 33.Kd2 Qg7 34.Nf3 g2 35.Qc4 Bxf4+
2. = (0.13): 27...Qf7 28.Rc1 fxg3 29.fxg3 Nf2 30.Rxf2 Rh2+ 31.Kxh2 Qxf2+ 32.Kh1 Qxd4 33.Qxd4 Bxd4 34.b4 Be6 35.Rd1 Bxd5 36.Rxd4 Bxa2 37.Rxd6
|Apr-20-14|| ||paramount: BLASTED!!! This is very excellent game. Never saw this since long long time. The onset of the puzzle looks like indiscernible between Ndf3+ or Ngf3+, you need to dig your brain so deeply to certain.|
Its like Naiditsch played with machine in his head.
There are probably some weaker moves in between (for example 30...Qf7 is better than Be5), and that kind of move is very risky in the sharp game like this.
Anyway, we have to pick up two thumbs for Naiditsch here and this is very palatial puzzle for Sunday.
Contemplating this puzzle is like get a glass of orange juice in the desert.
|Apr-20-14|| ||Once: I think I am coming round to the twin conclusions that chess isn't really (just) a game, and that a Sunday POTD isn't really a puzzle. |
Particularly this one.
It's a fabulous attack - very inventive play by Naiditch with tactic after tactic raining down on the white king. That makes it great to watch, enjoyable to play through, fun to analyse, instructive, astounding ... <scurries away to find Roget's> ...
But (#1) ...
It's not particularly effective as a puzzle. Black invests material that he will not recover for quite some time. My admittedly old and slow Fritz 11 is chuntering through the moves throwing out evals of equality or only a slight edge to either player some ten or more moves after the start of the puzzle.
White wilts under the pressure, and who wouldn't in the face of such ferocity? But I can't help thinking that it could equally have fizzled out into a draw with best play.
It's chess from the 19th century, it's a Viking in a berserker rage, it's the Hulk smashing, it's a Jackson Pollock painting. All very exciting and wonderful but possibly not entirely correct and almost impossible to reproduce. Which brings me back to the conclusion that it's a fabulous game but not really a puzzle.
It's a bit like giving a group of arts student a photograph of the ceiling of the Sistine chapel and encouraging them to do their own version in whatever medium they choose - oils, watercolours, charcoal, Microsoft paint, etch-a-sketch, a New York subway train plus a rucksack full of spray cans ...
But (#2), just like chess from the romantic era, Vikings, Hulk and Pollocks, aren't you especially glad that they exist, even if you lack that certain something needed to emulate them?
One to savour as a voyeur rather than as a participant, methinks.
|Apr-20-14|| ||morfishine: No way I got the whole sequence. Logically, first <21...Ndxf3+> otherwise at some time or other, White can play Nxd4 eliminating some pressure|
<22.gxf3 Nxf3+> And already I am missing a better move [ie: 22...Qd7] :(
< 23.Kg2 Bg4 24.Ne1 Nh2 25.Qc1 Nxf1>
This game is a good example of how creative and dangerous Naiditsch truly is; Sometimes his play is poor, or downright atrocious, like here vs Harikrishna in Tata Steel 2014: Naiditsch vs Harikrishna, 2014
Yet in the very next game, perhaps fueled by anger, he demolishes Caruana: Caruana vs Naiditsch, 2014
|Apr-20-14|| ||erniecohen: A good GOTD misclassified as a poor POTD (at least for move 21), presumably due to the lack of a good pun.|
|Apr-20-14|| ||schachfuchs: I wonder if already 17...Bc8 was played with the idea of ...Qd7 and any sacrifical attack?!?|
|Apr-20-14|| ||playground player: When I try stuff like this, I always seem to run out of pieces to sacrifice before I can bag the enemy King.|
|Apr-20-14|| ||perfidious: <pgp> Don't I know it.|
|Apr-20-14|| ||epicchess: it wouldn't take Naiditcsh that long to find this. Being a 2700+ GM, a move like that would be his first line of consideration. Its impressive, but once you really think about, it isn't so outrageous, since you are only giving up a piece, and 5 pieces start attacking a lone king after it! To anyone about 2300, something like that is a clear sign to start thinking about a sacrifice.|
|Apr-20-14|| ||chrisowen: Nh3+ to rain on the parade black activate his saved piece out of trouble it slug in hilight white have to couch in het back and at a very minimum would have to give one away in het upper d7 would like to gain entrance via a hidey g7 hole and attack central pivot abled cage info ok be line it shade in by degree dip in at have haggled kind of it is peakabo ar indeed heidi hi the pin at f3 am fly in gaped hole a heeded rook barrell around too at beefed 26.Kg2 exf4 27.Bh2 f3+ again danced down a central column for what its worth in come out and play black manage to get activity in by increment am fawn in a caught head light never mind aim f4 make way for at e5 cleric would jump in effect black an exchange off down once f4 in come to be, |
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|Apr-20-14|| ||chrisowen: A combo re free it signal the end of the jar in head to 32.Rh1 Qg7 33.Kf1 Be6 could try at hent up h3 or deem in a tour eg g4 to crack light even further I had accent idle to plug a hole ide engage in fob off at effect for knight wane by degrees it sits in shallow stance why long line nip efface off crank up the motor to work d5 might prove key in ja good,|
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|Apr-20-14|| ||Patriot: Material is even.
21...Ndf3+ 22.gxf3 Nxf3+ 23.Kg2
And now 23...Qg5 or 23...Bg4.
23...Bh3+ 24.Kxh3 Qd7+ 25.Kg2 Ng5 seems a strange sequence that may actually win.
|Apr-20-14|| ||Patriot: I missed some simple defenses in the 23...Bh3+ line. 24.Kxh3 Qd7+ 25.Kg2 Ng5 26.Qh5 puts matters to a halt.|
This is way too insane for me!
|Apr-20-14|| ||agb2002: The material is identical.
White apparently tries to get rid of the knight on d4.
The maneuver 21... Ndf3+ 22.gxf3 (22.Kh1 Qf6 - +) 22... Qd7, with the double threat Nxf3+ followed by Qh3 and Rf6-h6 followed by Qh3, looks promising:
A) 23.Be2 Rf6
A.1) 24.Nd5 Rh6 followed by ... Qh3 seems to win.
A.2) 24.f4 exf4
A.2.a) 25.Bh4 f3 26.Bxf3 Nxf3+ and mate in two.
A.2.b) 25.Bg4 Qxg4 26.Qxg4 Bxg4 27.Bh2 (27.Bh4 Nf3+ and 28... Nxh4 - +) 27... Nf3+ 28.Kg2 Nxh2 appears to win a piece (29.Kxh2 Bf3 and mate in two).
A.3) 24.Bh4 Qh3 25.Bxg5 (25.Bg3 Rh6 - +) 25... Rg6 26.Qd2 Bh6 27.f4 exf4 - +.
B) 23.Ne1 Rf6 looks similar to A.
C) 23.Nd5 Nxf3+ wins the queen for two pieces or delivers mate.
|Apr-20-14|| ||OldTimr: Good problem. Almost as insane as a chrisowen post.|
|Apr-20-14|| ||LucB: yes.. almost!|
|Apr-20-14|| ||schachfuchs: lol
...and we've got 3 chrisowen posts here - so this must have been a 'triple insane' POTD!?
|Apr-20-14|| ||LIFE Master AJ: An amazing game ...
POTD / Sunday / April 20th, 2014.
Black to move, 21... '?'
|Apr-20-14|| ||john barleycorn: <schachfuchs: lol
...and we've got 3 chrisowen posts here - so this must have been a 'triple insane' POTD!?>
No, it just became one with the post following yours.
|Apr-20-14|| ||Conrad93: I got this puzzle in like five minutes.
These are tactics you learn at the 1400 level...
|Apr-20-14|| ||paramount: hahaha....chris owen marks off the difficulty of the puzzle.|
|Apr-22-14|| ||LIFE Master AJ: <<It's chess from the 19th century, it's a Viking in a berserker rage, it's the Hulk smashing, it's a Jackson Pollock painting. All very exciting and wonderful but possibly not entirely correct and almost impossible to reproduce. Which brings me back to the conclusion that it's a fabulous game but not really a puzzle.>>|
After thinking about it for a while and putzing around with a couple of chess engines, I have to agree with <Once>.
Black could have defended, see the posts by <patzer2> ... (and others).
|Apr-22-14|| ||LIFE Master AJ: It is an amazing combination, but two things stand out, at least IMO: |
#1.) No forced win, (with best play).
#2.) With better play, Black could have defended ... and even turned things around.
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