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ANNOTATED GAME

The pinned knights
justinjkropf (1902) vs. opponent (1928)
Annotated by: justinjkropf (1998)
Chess opening: QGD Slav (D11), Breyer variation
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Pages: 123
1. d4
Hi all! Queen's pawns games are often considered to be less tactically sharp than games that begin with 1. e4. But this game certainly shows tactics can come in very quickly in some variations! This was a hard-fought game where white sacrifices material early to try to keep the initiative and not allow black to consolidate his material edge. It's a tense battle, with Black succeeding over time to force some of white's aggressive pieces off the board. So how did it turn out? Well, read on and don't forget to comment and rate.
3 comments
 
1... d5 2. c4 c6 3. Nf3 Nf6 4. Qc2
The third most popular choice. Much more popular are Nc3, followed by e3. Qc2 breaks the rule of moving the queen too early, but since it often ends up on c2 in QPG, it's somewhat justified.
1 comment
 
4... dxc4
Making the queen move again...
2 comments
 
5. Qxc4 Bg4
Putting pressure on d4 by attacking its defender.
2 comments
 
6. Nc3 Nbd7 7. e4
Establishing a big center, but can it be maintained?
1 comment
 
7... e5
Black hits right away, and wild complications are in store.
1 comment
 
8. dxe5
So white knocks off black's central presence with his d-pawn.
2 comments
 
8... Bxf3
And Black takes the knight, because 9. gxf3 Ne5 doesn't look all that great for white.
1 comment
 
9. e6
So white invites more complications - that pawn on f7 looks yummy!
2 comments
 
9... Ne5
Black hits the queen...
1 comment
 
10. exf7+
White deprives black of castling rights and makes the king march forward, cutting off lines for his DSB and queen.
2 comments
 
10... Ke7 11. Qb4+
According to one opening database, Qc5+ and Qb3+ had both been tried, but neither one seemed sufficient to me. Qc5+ runs into 11...Ke6 to protect the knight, and the queen is under fire from the bishop. So my idea is to get the queen away from attack on either c4 or c5, and to get her onto b3, but with check.
2 comments
 
11... Ke6
Probably a mistake. The downside of 11.Qb4, was that it allows Kxf7, but after 12. Qb3+ Kg6, the position is still a little unclear.
2 comments
 
12. Qb3+ Kd6 13. Bf4
Pinning the knight, which is black's extra piece, to the king, and making the king keep guard. This was blacks best piece, so it must be pinned. If the 13. gxf3 to get the piece back, ...Nxf3 is painful for white, as white is vulnerable to forks... For instance... 14. Kd1 Ke5+ 15. Kc2?? Nd4+, winning the queen.
2 comments
 
13... Bh5
With the knight pinned, the bishop now needs to save itself, keeping guard of d1 preventing either Rd1+ or O-O-O

 
14. f3
Renewing the Rd1+ threat, pushing the King away from the Ne5.

 
14... Qe7
So black protects the knight with the queen.

 
15. Nb5+
!? Ripping the c-file open to further expose the black king. Throwing away a second piece, may not be entirely sound, but this one will be recovered in a few moves.
1 comment
 
15... cxb5
Black has little choice, since the Knight cut off the c7 square.

 
16. Qxb5
Controlling squares around the king, attacking the Ne5, xraying the Bh5, establishing control of c4 for the bishop, a nice centralized square...
1 comment
 

Pages: 123