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        riddles >> medium >> Chess Game Reconstruction (II)
        
(Message started by: THUDandBLUNDER on Apr 22^nd, 2003, 10:09am)

Title: Chess Game Reconstruction (II)
Post by THUDandBLUNDER on Apr 22^nd, 2003, 10:09am

From the starting position, take away the Black pawn on h7, the White pawn on h2,
and place a White pawn on g3.

Now figure out how the two players reached this position.

Title: Re: Chess Game Reconstruction (II)
Post by Ulkesh on Apr 22^nd, 2003, 12:01pm

Here's a valid solution, and I think is the jist of the expected answer. I don't have time for a full explanation, so here are the moves (not necessarily optimal)...

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1. Nf3 h5
2. Ng1 Rh6
3. Nf3 Rg6
4. Ng1 Rg3
5. hxg3 Nf6
6. Rh4 Ng8
7. Rg4 h4
8. Nf3 h3
9. Ng1 h2
10. Nf3 h1=R
11. Ng1 Rh8
12. Rh4 Nf6
13. Rh1 Ng8

Edit:
I don't know if an explanation is really necessary -- if you follow the moves through, the logic becomes obvious. I'm not totally sure if my solution is optimal though, perhaps a move or two can be gained somewhere...?
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