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Compose a proof game for this position

Compose a proof game for this position

Posers and Puzzles

D
Standard memberDavid113

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A nice retro problem I saw recently:

a) Compose a proof game for this position



Give all the moves.

b) Did you notice something special in the proof game?

BigDogg
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Originally posted by David113
A nice retro problem I saw recently:

a) Compose a proof game for this position

[fen]2B5/pr1pPpp1/k5p1/P3Qp2/Kp6/1rP4P/PPp1P2P/R3N2R[/fen]

Give all the moves.

b) Did you notice something special in the proof game?
Retract:
-1.Rd1-a1 f6-f5 -2.Rd5-d1 h7xNg6 -3.Rb5-d5 Rc7-b7 -4.Rb7-b5 Rc6-c7 -5.Qe4-e5 Rd6-c6 -6.e6-e7 Rc6-d6 -7.e5-e6 Re6-c6 -8.f4xBe5 Re8-e6 -9.f2-f4 Rh8-e8 -10.Nf3-e1 Bd6-e5 -11.Ra1-h1 Bf8-d6 -12.Nh4-g6 e7xBf6 -13.Bg5-f6 Rg8-h8 -14.Bc1-g5 Rh8-g8 -15.d2xQc3 Qc5-c3 -16.Qf5-e4 Rd3-b3 -17.Kb3-a4 Rd6-d3 -18.a4-a5 Kb6-a6 -19.Rc7-b7 etc.


(No need to continue retracting to the start position, because this is obviously legal.)

The white Rooks swapped places (a1/h1) during the game.

D
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Excellent!

I wonder if the same can be done with knights.

Peakite
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Originally posted by David113
Excellent!

I wonder if the same can be done with knights.
Yes, because one has been posted here beforehand.

BigDogg
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Originally posted by David113
Excellent!

I wonder if the same can be done with knights.
I'm sure I've posted this before, but this will save the trouble of a forum search.

Satoshi Hashimoto
StrateGems 1999

Proof Game in 15.5 moves
(White has just made his 16th move. Find the gamescore.)

BigDogg
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Originally posted by David113
A nice retro problem I saw recently:

a) Compose a proof game for this position

[fen]2B5/pr1pPpp1/k5p1/P3Qp2/Kp6/1rP4P/PPp1P2P/R3N2R[/fen]

Give all the moves.

b) Did you notice something special in the proof game?
Do you know the composer's name?

s
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Fast and Curious

slatington, pa, usa

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Originally posted by BigDoggProblem
Do you know the composer's name?
Mozart?

D
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I just found the following details about this problem:

Composer - Janko Furman
The problemist, 1973

Also - I found this problem at the chess problem database server.

BigDogg
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Originally posted by BigDoggProblem
I'm sure I've posted this before, but this will save the trouble of a forum search.

Satoshi Hashimoto
StrateGems 1999
[fen]qk3b1r/2p2ppp/1pn3n1/2pppb2/8/5P2/P1PP1PPP/RNBQK1NR b KQ - 0 16[/fen]
Proof Game in 15.5 moves
(White has just made his 16th move. Find the gamescore.)
Solution:

1. b4 d5 2. b5 Bf5 3. b6 axb6 4. Nf3 Ra3 5. Ne5 Rf3 6. Nd7 e5 7. exf3 Ne7
8. Bb5 Ng6 9. Bc6 bxc6 10. Nc3 c5 11. Ne2 Nc6 12. Ng1 Qa8 13. Nf6+ Kd8 14. Ne4 Kc8 15. Nc3 Kb8 16. Nb1

D
Standard memberDavid113

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More of the same...



SPG in 12.0 moves

D
Standard memberDavid113

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And another one...



SPG in 10.0 moves

D
Standard memberDavid113

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And another ...



SPG in 19.0 moves

(Is it possible to insert more than one diagram in a post? when I tried it didn't work, that's why I you see 3 posts for 3 problems.)

M
Standard memberMephisto2

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Originally posted by David113
More of the same...

[fen]rnbqkbnr/pppppppp/2Q2R1B/8/2P1PP2/5N2/PP1N2PP/4KB1R[/fen]

SPG in 12.0 moves
Keys to the solution: rook goes up from c1 (not d1), and the black nights swap position.

1.c4 Nf6 2.Qa4 Ne4 3.Qc6 Nxd2 4.e4 Nb3 5.Bh6 Na6 6.Nd2 Nb4 7.Rc1 Nd5 8.Rc3 Nf6 9.Rf3 Ng8 10.Rf6 Nc5 11.f4 Na6 12.Ngf3 Nb8.

M
Standard memberMephisto2

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Originally posted by David113
And another one...

[fen]1nbk2nr/5ppp/1b1pp3/2p5/7P/8/1rPPPPPq/RNBQKBNR[/fen]

SPG in 10.0 moves
Swapping rooks this time:

1.h4 e6 2.Rh3 Bc5 3.Ra3 Bb6 4.Rxa7 c5 5.Rxb7 Rax2 6.Ra7 Rxb2 7.R1a3 Qc7 8.Rh3 Kd8 9.Rh1 Qh2 10.Ra1 d6.

BigDogg
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Originally posted by David113
And another ...

[fen]rn4kr/1p1pnp2/1p2p1p1/2p5/2B1P3/3QP1P1/1BN1NPP1/R1K4R w - - 0 1[/fen]

SPG in 19.0 moves

(Is it possible to insert more than one diagram in a post? when I tried it didn't work, that's why I you see 3 posts for 3 problems.)
1.b4 c5 2.b5 Qc7 3.b6 Qg3 4.hxg3 h6 5.Rxh6 axb6 6.Rc6 Rxa2 7.Na3 Rxc2 8.Bb2 Rc4 9.Nc2 Rch4 10.e4 g6 11.Bc4 Bh6 12.Ne2 Be3 13.dxe3 e6 14.Qd3 Ne7 15.O-O-O O-O 16.Rxc8 Nbc6 17.Ra8 Rh8 18.Ra1 Ra8 19.Rh1 Nb8

Both Ra1/Rh1 and Ra8/Rh8 swap places.

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