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Chess Forum - Puzzle #19 part 2

Player: Philippines  LayZ StyleChessHere Silver Member Subject: Puzzle #19 part 2


2014-08-12 18:50:19
This is my 3rd attempt to post a continuation to the solution of Puzzle #19 but always ended up hitting a blank wall.

Let\'s take a look at the original diagram.


3r2k1/p1p2ppp/1pn5/3nPP2/1b6/2P4N/bP3QPP/2K4R w
8
7
6
5
4
3
2
1
ABCDEFGH



kai2011 suggested the move 1...Na5!!


3r2k1/p1p2ppp/1p6/n2nPP2/1b6/2P4N/bP3QPP/2K4R w
8
7
6
5
4
3
2
1
ABCDEFGH



If White moves 2.cxb4


3r2k1/p1p2ppp/1p6/n2nPP2/1P6/7N/bP3QPP/2K4R w
8
7
6
5
4
3
2
1
ABCDEFGH



Black answers with 2...Nxb4 3.Qg3 Nb3+ 4.Qxb3 Bxb3


3r2k1/p1p2ppp/1p6/4PP2/1n6/1b5N/1P4PP/2K4R w
8
7
6
5
4
3
2
1
ABCDEFGH



Definitely a win for Black.

What about 2.Rd1?


3r2k1/p1p2ppp/1p6/n2nPP2/1b6/2P4N/bP3QPP/2KR4 w
8
7
6
5
4
3
2
1
ABCDEFGH



There follows 2...Bc5 3.Rxd5 Rxd5 4.Qe2 Nc4 5.b4 Be3+ 6.Kc2 Rd2+


6k1/p1p2ppp/1p6/4PP2/1Pn5/2P1b2N/b1KrQ1PP/8 w
8
7
6
5
4
3
2
1
ABCDEFGH



Black has the advantage here.

And if 2.Re1?


3r2k1/p1p2ppp/1p6/n2nPP2/1b6/2P4N/bP3QPP/2K1R3 w
8
7
6
5
4
3
2
1
ABCDEFGH



Then 2...Bc5 3.Qh4 Nb3+ 4.Kd1 Ne3+ 5.Ke2 Rd2+ 6.Kf3 Nxg2 7.Qe4 Nxe1+ 8.Qxe1 Rxh2 9.Nf4 Nd2+ 10.Kg3 Bf2+


6k1/p1p2ppp/1p6/4PP2/5N2/2P3K1/bP1n1b1r/4Q3 w
8
7
6
5
4
3
2
1
ABCDEFGH



Though it may be a long variation, it\'s still an advantage for Black.

Lastly, 2.Qe2


3r2k1/p1p2ppp/1p6/n2nPP2/1b6/2P4N/bP2Q1PP/2K4R w
8
7
6
5
4
3
2
1
ABCDEFGH



2...Nb3+ 3.Kc2 Bc5 4.Rd1 Ne3+ 5.Qxe3 Rxd1 6.Qf4 Rd2+ 7.Qxd2 Nxd2 8.Kxd2


6k1/p1p2ppp/1p6/2b1PP2/8/2P4N/bP1K2PP/8 w
8
7
6
5
4
3
2
1
ABCDEFGH



Still Black\'s advantage.

This puzzle has 2 different solutions, 1...Bc5 and 1...Na5. Thanks to kai2011...hopefully we\'re able to cover all possible solutions.
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1Russian  kai20112014-08-12 21:16:17
In fact, there was only my idea that black should win after 1. ... Na5. All glory belongs to You, Larry!.-

2Canada  dsuttlesChessHere Moderator2014-08-13 08:48:23
High praise, but well deserved. Quality chess problem -

 

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