Tuesday, March 22, 2005
Fun
I just discovered an opening trap. It's an easy one :).
1. d4 Nf6 2. c4 d5?! 3. cxd5 Nxd5 4. e4 Nf6 5. Bd3
Answer in comments
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TCT Circle 1 Progress:
Not completed exercises: step 1 , lessons: [ 1.2.3.4.9.14. ]
Result step 1: Average score 97 %
Not completed exercises: step 2 , lessons: [ 11.12. ]
Result step 2: Average score 94 %
In circle 2 of problems 204-218
1. d4 Nf6 2. c4 d5?! 3. cxd5 Nxd5 4. e4 Nf6 5. Bd3
Black to Move
Answer in comments
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Not completed exercises: step 1 , lessons: [ 1.2.3.4.9.14. ]
Result step 1: Average score 97 %
Not completed exercises: step 2 , lessons: [ 11.12. ]
Result step 2: Average score 94 %
In circle 2 of problems 204-218
Comments:
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If Black takes the apparently hanging pawn with 5..Qxd4??, then 6 Bb5+ discovers an attack on the Queen.
Yep. CT-Art has a problem very similar to this one, but it involves a pawn sac that nets a Bishop instead.
A similar but trickier example of a poison d4-pawn is a main line in the Caro-Kann.
1.e4 c6
2.d4 d5
3.Nc3 dxe4
4.Nxe4 Bf5
5.Ng3 Bg6
6.h4 h6
7.Nf3 Nf6
8.Ne5 Bh7
9.Bd3 Qxd4?
10.Nxf7!
Now 10...Kxf7 11.Bg6+ wins the Black queen, while
10...Bxd3
11.Nxh8
wins material for White. It might appear that Black can escape with
11...Qe5+
12.Be3 Bh7
but White has the neat resource
13.Qd8+ Kxd8
14.Nf7+
1.e4 c6
2.d4 d5
3.Nc3 dxe4
4.Nxe4 Bf5
5.Ng3 Bg6
6.h4 h6
7.Nf3 Nf6
8.Ne5 Bh7
9.Bd3 Qxd4?
10.Nxf7!
Now 10...Kxf7 11.Bg6+ wins the Black queen, while
10...Bxd3
11.Nxh8
wins material for White. It might appear that Black can escape with
11...Qe5+
12.Be3 Bh7
but White has the neat resource
13.Qd8+ Kxd8
14.Nf7+
And another one from the French Advance variation:
1. e4 e6
2. d4 d5
3. e5 c5
4. c3 Nc6
5. Nf3 Qb6
6. Bd3 cxd4
7. cxd4 Nxd4?
8. Nxd4 Qxd4??
9. Bb5+
Post a Comment
1. e4 e6
2. d4 d5
3. e5 c5
4. c3 Nc6
5. Nf3 Qb6
6. Bd3 cxd4
7. cxd4 Nxd4?
8. Nxd4 Qxd4??
9. Bb5+
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