Author: Dann Corbit
Date: 15:49:20 05/18/01
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Lots of things that look absurd can be legal. For instance: [Event "Edited game"] [Site "DANNFAST"] [Date "2001.05.18"] [Round "-"] [White "-"] [Black "-"] [Result "*"] 1. Nc3 e5 2. Nb1 d5 3. Nc3 Nf6 4. Nb1 Nc6 5. Nc3 Bb4 6. Nb1 Bg4 7. Nc3 O-O 8. Nb1 a5 9. Nc3 d4 10. Nb1 * results in this strange looking position: [D]r2q1rk1/1pp2ppp/2n2n2/p3p3/1b1p2b1/8/PPPPPPPP/RNBQKBNR b KQ - 0 10 And here's a position that seems by counts alone to be quite fine: [D]7k/8/8/8/8/P7/PP6/1K6 w - - But "you can't get there from here..." Retrograde analysis is potentially about the same complexity as the original quesition. IOW, given some position, could I really have arrived here somehow during a legal game?
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