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hamzi
27-10-2007, 08:44 PM
Hello Geness Mates plz solve my problem

http://i21.tinypic.com/2d0nac3.jpg

First move :White - Nd2

Black has to play now

plz give me a 3 answer

Duff McKagan
27-10-2007, 09:14 PM
Hello Hamzi, here is your solution (in white text below):

1.Nd2 Kc5 2.Qa3+ Kd4 3.Qe3# or 1.Nd2 e5 2.Ne4+ Ke6 3.Ng7# or 1.Nd2 Ke5 2.Qg7 Kf5 3.g4# or 1.Nd2 Ke5 Qg7 Kd6 3.Ne4#

hamzi
27-10-2007, 09:24 PM
Hello Hamzi, here is your solution (in white text below):

1.Nd2 Kc5 2.Qa3+ Kd4 3.Qe3# or 1.Nd2 e5 2.Ne4+ Ke6 3.Ng7# or 1.Nd2 Ke5 2.Qg7 Kf5 3.g4# or 1.Nd2 Ke5 Qg7 Kd6 3.Ne4#
:owned: thanks alot bro u r gr8 i m sure u solve my 2nd puzzle :wow:

Basil
27-10-2007, 11:24 PM
Hi Hamzi, you're not by any chance related to Andy Toh, are you? Welcome to the board.

eclectic
27-10-2007, 11:26 PM
actually gunner my eyes went :eek: when i saw the u r gr8; so very close to someone we all know and love ;)

hamzi
29-10-2007, 01:40 PM
Hi Hamzi, you're not by any chance related to Andy Toh, are you? Welcome to the board.
:)

hamzi
29-10-2007, 01:49 PM
my 2nd puzzle plz solve once again my problem

http://i21.tinypic.com/ff4cas.png


First move :White - c3

Black has to play now.

There are more than four options for this puzzle

Basil
29-10-2007, 03:45 PM
Hamzi, may I ask why you give a position and then include the first move? Wouldn't it be simpler (if you're going to give the first move) to include it in the image?

While not a problemist, I believe the normal parameters include 'white to play and win' or similar. Have you considered that?

Without those elements, 'solving' is rather open-ended. I could claim to solve your puzzle by making a legal move, for instance.

hamzi
29-10-2007, 03:58 PM
Hamzi, may I ask why you give a position and then include the first move? Wouldn't it be simpler (if you're going to give the first move) to include it in the image?

While not a problemist, I believe the normal parameters include 'white to play and win' or similar. Have you considered that?

Without those elements, 'solving' is rather open-ended. I could claim to solve your puzzle by making a legal move, for instance.
Dear friend my gf participate in school contest I have no experience of Chess just help her

Rincewind
29-10-2007, 04:38 PM
hamzi,

In general terms the solution to the puzzle is that white mates by either driving the king to f4 or f6 and mating with the knight which checks the king and defends the rook at the same time. The moves are

(i) 2.Bd4+ Kf4 3.Nh3#

or

(ii) 2.Bd6+ Kf6 3.Ne4#

The thing is black cannot simultaneously prevent both checkmating paths. If he plays 1... Nxc4 or Nb7 preventing (ii) then white just implements pattern (i). Likewise, after 1... Nc6 or Nb3 preventing (i) then white uses plan (ii).

The full solutions are

1... Nxc4 2.Bd4+ Kf4 3.Nh3#
1... Nb7 2.Bd4+ Kf4 3.Nh3#

and

1... Nc6 2.Bd6+ Kf6 3.Ne4#
1... Nb3 2.Bd6+ Kf6 3.Ne4#

The bishop is even more useless then the knight. The only decent square the bishop can attack is e4 as that would prevent plan (ii) but in that instance plan (i) can be used by white. That is

1... Bd5 2.Bd4+ Kf4 3.Nh3#

In fact, if the bishop moves white should always use plan (i) since otherwise f7 becomes an escape square for the king. But since no bishop move can threaten either of the key squares of h3 or d4, this is not an problem.

Finally, black can try to move the king. In this case, white plays the same moves but in the reverse order (knight move then bishop). The full solutions in these cases are

1... Kf4 2.Nh3+ Ke5 3.Bd4#
or
1... Kf6 2.Ne4+ Ke5 3.Bd6#

hamzi
29-10-2007, 04:42 PM
hamzi,

In general terms the solution to the puzzle is that white mates by either driving the king to f4 or f6 and mating with the knight which checks the king and defends the rook at the same time. The moves are

(i) 2.Bd4+ Kf4 3.Nh3#

or

(ii) 2.Bd6+ Kf6 3.Ne4#

The thing is black cannot simultaneously prevent both checkmating paths. If he plays 1... Nxc4 or Nb7 preventing (ii) then white just implements pattern (i). Likewise, after 1... Nc6 or Nb3 preventing (i) then white uses plan (ii).

The full solutions are

1... Nxc4 2.Bd4+ Kf4 3.Nh3#
1... Nb7 2.Bd4+ Kf4 3.Nh3#

and

1... Nc6 2.Bd6+ Kf6 3.Ne4#
1... N3b 2.Bd6+ Kf6 3.Ne4#

The bishop is even more useless then the knight. The only decent square the bishop can attack is e4 as that would prevent plan (ii) but in that instance plan (i) can be used by white. That is

1... Bd5 2.Bd4+ Kf4 3.Nh3#

In fact, if the bishop moves white should always use plan (i) since otherwise f7 becomes an escape square for the king. But as not bishop move can threaten h3 or d4, this is not an problem.

Finally, black can try to move the king. In this case, white plays the same moves but in the reverse order (knight move then bishop). The full solutions in these cases are

1... Kf4 2.Nh3+ Ke5 3.Bd4#
or
1... Kf6 2.Ne4+ Ke5 3.Bd6#
thanx alot Rincewind plz answer in line
exp (1).... (2)....(3)

Rincewind
29-10-2007, 04:48 PM
thanx alot Rincewind plz answer in line
exp (1).... (2)....(3)

Not sure what you mean perhaps...

(1) 1... Nxc4 (or Nb7 or B-anywhere) 2.Bd4+ Kf4 3.Nh3#
(2) 1... Nc6 (or Nb3) 2.Bd6+ Kf6 3.Ne4#
(3) 1... Kf4 2.Nh3+ Ke5 3.Bd4#
(4) 1... Kf6 2.Ne4+ Ke5 3.Bd6#

I think that's all there is.

hamzi
29-10-2007, 04:54 PM
Not sure what you mean perhaps...

(1) 1... Nxc4 (or Nb7 or B-anywhere) 2.Bd4+ Kf4 3.Nh3#
(2) 1... Nc6 (or Nb3) 2.Bd6+ Kf6 3.Ne4#
(3) 1... Kf4 2.Nh3+ Ke5 3.Bd4#
(4) 1... Kf6 2.Ne4+ Ke5 3.Bd6#

I think that's all there is.
Thanx I want to write like this.:owned:

Rincewind
29-10-2007, 05:01 PM
Thanx I want to write like this.:owned:

There was one wrinkle I missed. If the pawn is taken then the King can play to d5 and must be mated by the e-pawn so you need to add...

(5) 1... Nxc4 (or Bxc4) 2. Bd4+ Kd5 3.e4#

or update line (1) to include this subvariation

hamzi
29-10-2007, 05:05 PM
There was one wrinkle I missed. If the pawn is taken then the King can play to d5 and must be mated by the e-pawn so you need to add...

(5) 1... Nxc4 (or Bxc4) 2. Bd4+ Kd5 3.e4#

or update line (1) to include this subvariation
:)

UELleida
31-10-2007, 08:34 AM
Dear friend my gf participate in school contest I have no experience of Chess just help her

hehehe, can she move the pieces, or just wants to collect the prizes?

Axiom
31-10-2007, 08:21 PM
1000 Miles. Come get all your files. Add up those frequent flyers. Put on that plastic smile. 1000 Miles.
Go Go Go.

:lol: what the .... ? :lol: