< Earlier Kibitzing · PAGE 1 OF 3 ·
|Apr-27-06|| ||chancho: Korchnoi anticipated Keres's 37.Ng4 when he played 36...Bc8, but overlooked that the white g pawn would become the next attacker of the pinned Knight.|
|Jul-09-06|| ||drnooo: Interesting non pawnstorm from a white Sicilian. And a very strange game indeed. Neither player attacks the king, they both circle the middle of the board like a game of chinese chess....and in the end it is Keres wearing down the other guy; also interesting for those who like to debate the greatest player that never became world champ: Keres more or less owned Korchnoi.|
|Feb-06-08|| ||dzechiel: White to move. Black is up a pawn. "Medium/Easy."
Well, I sure hope this is easier than yesterday.
That black knight is in an unusual situation, in that it is both pinned against, and protected by, the black king.
There is no good way for black to break the pin, nor is there any good way to add another defender. It doesn't take long to spot
This adds another attacker on the knight, and the only way to prevent the outright loss of the knight is
37...Bxg4 38 hxg4
Now black can add a defender to the knight with
But it's too late, as
ensures that black is going down a piece. Besides winning the piece, it looks like white will pick up the e-pawn, and might be able to force the exchange of queens.
Time to check (which, if I'm right, was MUCH easier than yesterday).
|Feb-06-08|| ||zooter: Hmmm....looks like
37.Ng4 threatening to win the pinned knight could be the winning move...
Black's only option is probably
37...Bxg4 38.hxg4 -- now 39.g5 again seems unpreventable even though the queen can come to d8 and protect the knight once more...but a pinned knight being attacked by a pawn is no fun and lost anyways,
Time to check
|Feb-06-08|| ||Terry McCracken: Keres has Klass
|Feb-06-08|| ||zooter: ha ha...good one! 2/3 this week (missed yesterday's best defense by white against checks)|
Not only did i see
37.Ng4 Bxg4 38.hxg4 i also saw
38...h3 (trying some counterplay by black) and i amazingly chose 39.g3 as a "safe" move than 39.hxg3!) -- any proof that 39.g3 is indeed required would be helpful!
|Feb-06-08|| ||mkrk17: Not too tough. Looking for tactical motif, we find that the black knight is pinned and if we attack it once more, then it is ours. |
Ng4 wins the knight for white. The trick is to see that Bxg4 doesn't save black as hxg4 and then g5 is unstoppable.
|Feb-06-08|| ||mrsaturdaypants: The only target I see is Blackís knight, which is pinned to his king. |
37. Ng4 Bxg4
38. hxg4, threatening g5, winning the knight.
I donít see anything constructive black can do to prevent this.
[I didnít see 38. h3 29. g3]
|Feb-06-08|| ||gilbertblondy: g4 and the black is lost|
|Feb-06-08|| ||Madman99X: I don't know that 39. g3 is absolutely necessary, because after say 39. g5 hxg2+ 40. Kxg2 black still can't escape without losing a piece, although the win probably requires more calculation with the possibility of black bearing queen and rook down the h-file.|
|Feb-06-08|| ||Manic: <Madman99x> Your probably right that it was not necessary to win but 39.g3 is the best move. Why would Keres want to give Korchnoi some form of counterplay if he does not have to?|
I guess CG gave us a puzzle which was probably an easy Wednesday, since yesterday's puzzle was much more complicated than a Tuesday.
|Feb-06-08|| ||Funicular: I saw all the moves and i personally would go for g5, capture on g2 after the check, and then Ree1, to go to h1 and dominate the column. Providing the h column is white, black rook has to flee, since exchanging rooks would mean either mating threats or winning the black queen if it stays on the 8th rank|
Perhaps it's because it's 3:48 am, but I'm unable to see any effective black counterplay, so i'd open the H column to control it myself
Although sometimes i can't help playing like keres did here, i mean, cold blooded. It's powerful, it frustrates your opponent, and you feel like a machine.
(does anybody else face this everyday like me? the possibility of playing like a human or take the satisfaction in not giving any opportunity?)
thanx for reading
|Feb-06-08|| ||TrueBlue: finally something where I can see the first move in 5 second, unlike the past 2 days :(|
|Feb-06-08|| ||Jimfromprovidence: <chancho> <Korchnoi anticipated Keres's 37.Ng4 when he played 36...Bc8, but overlooked that the white g pawn would become the next attacker of the pinned Knight.> |
Unfortunately, 36...Bc8?? is a blunder that blocks the queen from getting to the defending square d8. This is the move that loses the piece. If 36...Qd8 (seen below) or 36...Re8 black would have been OK.
click for larger view
Now, 37 Ng4 is a harmless move for black.
|Feb-06-08|| ||D.Observer: Guessed right that 37. Ng4 is the key, but I don't know how do it works.|
|Feb-06-08|| ||newzild: An easy one today. I've struggled with a couple of the so-called "easy" ones in the last couple of weeks, so today was a relief.|
|Feb-06-08|| ||geezerbloke: easy to spot Ng4
my immediate thoughts were
followed by Rde1 and Re7
I am sure there are more elegant and direct ways of finishing it but I think this gets the job done.
|Feb-06-08|| ||whiteshark: During the middlegame black was pressing against wd5. Therefore <24...exf3 25.Qxf3 Re5!> |
click for larger view
looks like a consequent continuation as it brings a fourth piece against d5.
26.Bf4 Bxd5 27.Qd1 Bxc4 28.Bxe5 Bxb3 29.Qxb3 dxe5 with vs -material looks playable.
click for larger view
|Feb-06-08|| ||Boerboel Guy: Again very easy...too easy for a Wednesday?|
|Feb-06-08|| ||The beginner: This one was pretty easy|
|Feb-06-08|| ||The beginner: <Zooter madman99x Manic>|
I belive the reason for 39g3. and not 39gxh is as manic pointed out 39g3 also prevents any black plans to make some sort of counterplay down the h file in case black he wanted to play on being a piece down.
I bet if we put it into a chess engine the engine would take hxg as the move seems to be perfectly safe and it wins a pawn, but for human g3 is better why give the oponent any chance of counterplay when g3 stop it right in its track
|Feb-06-08|| ||goodevans: What a relief after yesterday's toughie. Got it almost instantly to restore my confidence.|
|Feb-06-08|| ||general607: This is a Wed. puzzle? I found Ng4, BxN and hxB with the intended follow ups almost immediately. I found myself looking around to see if there was anything more interesting... Hoe I didn't miss anything...
Okay, after h3, I think I like the reply g3 to prevent the counterplay as discussed... I think white can get away with the capture gxh3 though,|
|Feb-06-08|| ||johnlspouge: Wednesday (Medium/Easy): White to play and win
Material: even. The main feature is White's Qc3 pinning Nf6 to Kg7. The Ne3 is available to intensify the pin. The Pa6 is 2x defended and 1x attacked. Because Bc8 is involved in the defense of Pa6 and protecting the square g4, Bc8 might become overburdened. Black's Pe4 is undefended because the Nf6 is pinned. White's Rd1 and Re2 are passive and should be activated.
Candidates (37.): Ng4, Ra2, Ra1
37.Ng4 Bxg4 [else, drops Nf6] 38.hxg4 Qd8
[neither h3 39.g3 nor g5 39.fxg5 stop the effect of the move g5]
39.g5, threatening 40.Qxf6+
(with material superiority, take the Qs off)
40...Qxf6 41.gxf6+ Kxf6 42.Rxe4
Black has no defense. Down a B, he can resign.
Time to check the kibitzing. The move g3 completely blunts any counterplay from the Rh8, and with an extra piece soon in hand, it can be made without hesitation.
I agree, today was much easier than yesterday. If you check yesterday's puzzle
Shamkovich vs V Tukmakov, 1970
chessgames.com congratulated us on discovering the resources for Black's checks. They had no idea they were handing us a Thursday puzzle on Tuesday. Thanks again, <HelaNubo>!
|Feb-06-08|| ||newton296: i think korch saw the pin on his knight and white's ng4 expoiting it but he missed that after ...h3 white just refuses the pawn with g3! this hammer shot keeps the game closed around his king and denies black a big kingside attack |
black would win with g5 ...h3xg2+ and ...Qc8 !
these guys played so strange looking moves in this game i must say.
neither man attacking the king but just moving around the center and protecting the advanced outpost.
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