Database puzzle 13: White's Lucky move?

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tellymetwise
Posts: 360
Joined: Mon Sep 22, 2003 3:48 pm

Database puzzle 13: White's Lucky move?

Post by tellymetwise » Thu Feb 26, 2004 12:02 pm

Is Nxe5 white's lucky move?

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gmiller
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Post by gmiller » Thu Feb 26, 2004 12:30 pm

No, because black answers right back with Nxe4.

tellymetwise
Posts: 360
Joined: Mon Sep 22, 2003 3:48 pm

Post by tellymetwise » Thu Feb 26, 2004 4:43 pm

After which white continues NxQ

jebediahthomas
Posts: 2
Joined: Mon Jan 26, 2004 4:38 pm

sunday morning kibitz

Post by jebediahthomas » Sun Feb 29, 2004 11:15 am

looks like black has some nice counterplay

[Site "slowchess.com"]
[Date "????.??.??"]
[White "?"]
[Black "?"]
[Result "*"]
[SetUp "1"]
[FEN "r1b2rk1/p1p1n1b1/Pp1p1nqp/1P1Pp1p1/2P1Pp2/BBN2N1P/5PP1/R2QR1K1 w - - 0 1"]

1. Nxe5 Qh5 2. Nf3
(2. Nd3 Bxh3
{!}
3. gxh3 Qxh3
{probably defendable but very ugly position to be in}
)
(2. Ng4
{bad-exchanges help free black}
2...Nxg4
(2...Bxg4 3. hxg4 Nxg4 4. f3 Qh2+ 5. Kf1 Qh1+ 6. Ke2 Qxg2+))
(2. Qxh5 Nxh5
{and both knights are en prise}
)
2...Bxh3
{!}
3. gxh3
(3. Ne2
{there doesn't look like a good way to refuse the sacrifice}
3...g4
(3...Qg4 4. Ng3 fxg3 5. Qe2
(5. gxh3 gxf2+ 6. Kxf2))
(3...Ng4)
4. Nh2
(4. gxh3 gxh3
(4...gxf3 5. Nxf4 Qg4+ 6. Kf1 Qxf4)))
(3. Bb2)
3...Qxh3 4. Qd3
(4. Bb2 g4)
4...Ng4
(4...g4 5. Nh2 g3 6. fxg3 fxg3)
5. Bb2 Ne5 *

tellymetwise
Posts: 360
Joined: Mon Sep 22, 2003 3:48 pm

Post by tellymetwise » Mon Mar 01, 2004 3:31 am

After 1... Qh5 white can use a tempo extra.
ie: Nf3, Nd3, Ng4, Nc6 or Qxh5 don't have to come to mind, first.

The knight is protected by the bishop exchange on f7 with additional threath, and black for sure doesn't want to exchange queens in this position.

jebediahthomas
Posts: 2
Joined: Mon Jan 26, 2004 4:38 pm

Post by jebediahthomas » Tue Mar 02, 2004 7:26 pm

yeah, a second knight move by white would be too optimistic (any spastic attacks by black refuted by 2. Qd3)
1. ...Qe8 to force the knight to move again, after 2. N any ...h5

white is a pawn up and controls (considerably) more space. after 2. Nf3

black is still cramped but is putting good pressure on the white king as whites material is concentrated queenside and blacks command of the long diagonal is strong as ...Nh5 or ...Nh7 is a threat as whites knights and rooks are potential targets.

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