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|Dec-20-12|| ||White Star: White had so many opportunities to castle, but he was greedy and lost to good positional play. What was his rating?|
|Dec-20-12|| ||shivasuri4: <White Star>, White was rated 2482 in January 2000. No idea as to what it was in 1998.|
|Dec-20-12|| ||Caissas Clown: sarayu: How tempting to say third. But did this seem a little easy for a Thursday?
Yes,either it was easy,or I am getting better. Realism,rather than modesty, makes me go with option (1) :-)
|Dec-20-12|| ||Patriot: Black is currently up a pawn for a piece.
19...exd4 20.Ne2 may be ok for black but not very convincing.
19...Rxd4 -- Now that seems much stronger since it threatens the queen and c4. And 20.Nxd4 exd4 takes advantage of the undefended white queen. 21.Qe3 Rxc4 looks safe.
|Dec-20-12|| ||M.Hassan: "Medium"
Black to play 19...?
Black is down by a Knight for a pawn.
A slight gain will be resulted if the pawn captures the Bishop:
But, things will be way different if the Rook captures the Bishop:
Knight becomes pinned for the Queen
Knight becomes pinned for the king!
For one Rook, Black gained two Knights and a Bishop and a "passed pawn"
Game may continue thus:
Now Chessmaster advises to sac Bishop:
P.S.: first three moves are my own initiative
|Dec-20-12|| ||Bartimaeus: 19. ...Rxd4 20. Nxd4 exd4 21. Rb3 Qa6
Nearly got it but faltered at the last step. Black is down on material but he has the potential to eliminate all of White's minor pieces using the Rook pin and the deadly central pawn supported by the DSB. However, in the last move I didn't notice the potential Knight pin and instead went for a double attack. The d4 pawn attacks the knight and with Qa6, the black LSB and Queen together attack the c4 pawn forking the White Rook and Queen. A nice puzzle highlighting the perils of neglecting king safety.
|Dec-20-12|| ||Abdel Irada: <<•>Two pins, no waiting!<•>>|
It looks as though Black had a knight on d4, and White just decided to exchange his bishop for it, presuming that Black would obligingly play 19. ...exd4, whereon he'd retreat the knight to e2 and then castle out of trouble, hoping to regain the pawn later.
What Yagupov apparently didn't count on was the presence of a stronger resource relying on his uncastled king and his poorly placed, undefended queen.
Now White must decide whether to accept the exchange ... and all the consequences of doing so. Let's first assume he does.
<(1) 20. Nxd4?, exd4>
This is an embarrassment of riches: Black can also exploit the other pin with 20. ...Rd8. Now White's knight on c3 is pinned against the undefended queen and attacked by a pawn.
Desperate, but White has nothing better.
<21. ...Qa5 >
Progress? White has merely exchanged a relative pin of his knight against his queen for an absolute one against his king.
It gets worse: If White should castle, Black has ...Qc5†, followed by ...Bxc4, picking off the weak, isolated c-pawn with double attack on queen and rook.
I'm satisfied that White can't survive accepting the sac.
<<•>(2) 20. Qc2, Rxc4
21. o-o, Bh6 >
Black's advantage is insuperable: He's two pawns up, has the two bishops with active diagonals, pins the knight on c3, prevents its defense with a subsequent Rc1 and has no apparent weaknesses.
|Dec-20-12|| ||morfishine: Black is set to recover his piece, but whats the most efficient way? 19...exd4
20.Ne2 followed by 0-0 lets White off the hook.
My first candidate is 19...Rxd4
<19...Rxd4> The King Rook now has <d8> to activate through
<20.Nxd4> I don't see anything better
<20...Rd8> Blacks superior mobility allows him to feed his pieces into action faster than
<21.Nc2> Probably best; White has a piece to give and welcomes a Queen exchange
(If White tries to grab booty with 21.Nxe6 Rxd3 22.Nxg7 then Black wins after
click for larger view
<21...Qa5> This pin forces White's response
<22.Qe3> The only move to protect the Knight
<22...Bh6> Attacking the only defender of the Knight on <c3>
click for larger view
I figured Black wins here. In fact my original notation was "There is no escape for White", when in fact White defends with <24.Kf1>
So, all in all, close :) but no cigar :(
|Dec-20-12|| ||Bartimaeus: <morfishine> In your line 21. 0-0 seems better than Nc2. As white has to lose a piece anyway, probably better to get a more playable position though its an uphill task in any case.|
|Dec-20-12|| ||morfishine: <Bartimaeus> On your comment <21. 0-0 seems better than Nc2. As white has to lose a piece anyway, probably better to get a more playable position though its an uphill task in any case> Yes, my line falters on both sides: I didn't follow up accurately with Black; and then didn't defend strong enough with White. |
Here, the simplest continuation <20...exd4> was strongest
|Dec-20-12|| ||agb2002: Black has the bishop pair and a pawn for a bishop and two knights.|
Black can win material by exploiting pins against the white queen and king with 19... Rxd4 20.Nxd4 (else the pawn on c4 is lost) 20... exd4 21.Rb3 Qa5 (21... Qc1+ 22.Nd1) 22.Qd2 dxc3 23.Qc2 Rd8 looks very bad for White.
|Dec-20-12|| ||LIFE Master AJ: Got it, 19...Rxd4; was pretty simple.
VERY energetic play by Black, who was once <briefly?> the FIDE Champ.
|Dec-20-12|| ||LIFE Master AJ: Bummer - I wanted to start a game collection for Black, but found out that I could not ... (non-members are limited to eight game collections).|
|Dec-20-12|| ||MarkFinan: I thought it looked gloomy for white after 9.Nc1?
I obviously found the moves, but if i were playing with the white pieces i wouldn't have resigned.......unless i was playing someone of higher or equal strength..
A few months of not playing the game and i feel like I'm having to learn how to play all over again!!!
And OK AJ! We all know you're no longer a premium member, its the 4th time I've seen you "announce" this wanderful news this week :)
|Dec-20-12|| ||fokers13: Only saw 21..Qc1+
Anyone care to run an eval on that(Qd1,Qxd1,Nxd1,Bxc4 seems pretty crushing).
|Dec-20-12|| ||Refused: Hum, not sure if I deserve credit for finding the solution.|
My intuition said, 19...Rxd4, and black should have quite some fun after 20. Nxd4 exd4
If white can't recapture the rook on d4 he is in deep trouble anyway.
Yet I was too lazy to calculate concrete lines.
|Dec-20-12|| ||chrisowen: Rook in d4 red bull steam in arrow soften queen is trapped make |
titter in d3 a punishment it brush in bet it down in dig a foilables
19...Rxd4 I tear I neck bishop shred d-queen it book in as LOl c4
ogle dutifuls in b3 a duty knight in stops a door, in ar good rook
knight pawn c4 cuff jingle jangle delve knightd4 recapt at a ratchet
free for over the blues ine5 material one for pawn down it now in at
food for thought, cad foot see b1 eats ground in b3 one approach in
a5 when c3 inceed the point victory to balck angle queen and pawn
dips dead duck knight stumped.
|Dec-20-12|| ||kevin86: Black gains two bishops for the rook---and the attack as well.|
|Dec-20-12|| ||James D Flynn: Black is temporarily down a piece for a pawn but he can regain the piece on his next move by 19…..exd4. That would leave Black a pawn up with a firm grip on the center because the pawn can easiiy be supported by c5, in addition after 20.Ne2 Black can check the White K by Qb5 and if 21.Qd2 (not Qxc4 22,Na5 wins the pawn on b7) Qxd2+ 22.Kxd2 Bxc4. The alternative 19….Rxd4 is more aggressive because if the Q movesBxc4 traps the K in the center : 19…..Rxd4 20.Nxd4 exd4 21.Rb3 Qc1+ 22.Qd1(if Nd1 Bxc4 23.Rb1 Bxd3 24.Rxc1 f5 opening the position for Blacks 2 Bs which together with the united passed pawns on the cand d files are far superior to Whites R and N) Qxd1+ 23.Nxd1 Bxc4 and Black with 2 Bs and united passed pawns has the better, probably winning endgame.|
|Dec-20-12|| ||doubledrooks: 19...Rxd4 20. Nxd4 exd4 21. Rb3 Qa5 22. 0-0 dxc3 and Black emerges with a material advantage.|
|Dec-20-12|| ||PawnSac: <TheGadge: First!
Steve.Patzer: Second >
sheesh! you guys must sit here at 11:59 waiting for the new puzzle to get posted. lol
|Dec-20-12|| ||PawnSac: <fokers13: Only saw 21..Qc1+
Anyone care to run an eval on that(Qd1,Qxd1,Nxd1,Bxc4 seems pretty crushing).>
eval is not necessary to see that your continuation, and also Qc1+ Nd1 Bxc4 Qb1 QxQ RxQ Bxa2 Ra1 Be6 Rxa7 are both clearly and totally lost for white.
The Qc1+ line is a reasonable alternative and actually forces simplification a little quicker than blacks Qa5 pin. Nevertheless, the line black chose is very sharp and no less winning. White is powerless to deal with the Pc3, the powerful bishops, a rook incursion on the 7th rank as well as Bxc4. Either way, its over.
|Dec-20-12|| ||Kikoman: This is my line 1.... <Rxd4!> 2. Nxd4 Rd8! 3. Rb3 Qa5! ;) and that's it.|
|Dec-20-12|| ||Helloween: I instinctively went for 21...Qc1+ 22.Nd1 Bxc4 23.Rb1 Bxd3 24.Rxc1 f5 with a very strong position for Black, with White untangling but still struggling after 25.Nf2 Bb5.|
|Dec-20-12|| ||TheBish: I Yagupov vs Kasimdzhanov, 1998|
Black to play (19...?) "Medium", Black is down a piece for a pawn. Obviously, Black can win the piece back with 19...exd4 20. Ne2 c5, keeping the extra pawn, but there is even better.
Black wins with 19...Rxd4! 20. Nxd4 (else Black follows up with either 20...Rxc4 or 20...Bxc4) exd4 21. Rb3 (otherwise Black wins the pinned knight on c3) Qa5 and Black has not only won his piece back, but will win two pieces for the rook.
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