The Retrograde Analysis Corner

StrateGems

No. 9, Jan-Mar 2000

R0038 - Noam Livnat

StrateGems 9, Jan-Mar 2000

[rkBKRnQB/pPpppppB/6p1/1N6/8/2p5/P1PP1PP1/8]

13+11. Which piece (other than bK) last visited b8?

[rkBKRnQB/pPpppppB/6p1/1N6/8/2p5/P1PP1PP1/8]

R0039 - Paul Raican

StrateGems 9, Jan-Mar 2000

[8/7P/8/4P3/k7/8/8/8]

2+1. Add wK, wR, 2 wN, bB and 3bP for an Illegal cluster (Circe)

[8/7P/8/4P3/k7/8/8/8]

P0050 - Michel Caillaud

StrateGems 9, Jan-Mar 2000

[rnbqkb2/1rpppp2/2r4n/3r3p/P3R3/N4R2/2PPPPR1/2BQKBNR]

15+15. Proof game in 17.0 moves

[rnbqkb2/1rpppp2/2r4n/3r3p/P3R3/N4R2/2PPPPR1/2BQKBNR]

P0051 - Mark Kirtley

StrateGems 9, Jan-Mar 2000

[2b1kbnr/p1p1pppp/1pn1Qr2/3p3B/q5P1/4PN1R/PPPP1P1P/RNB4K]

16+16. Proof game in 12.0 moves

[2b1kbnr/p1p1pppp/1pn1Qr2/3p3B/q5P1/4PN1R/PPPP1P1P/RNB4K]

P0052 - Mark Kirtley

StrateGems 9, Jan-Mar 2000

[rnbqkb1r/pppBpppp/3B4/7P/3Nn1R1/4P3/PPPNKPP1/3Q3R]

15+15. Proof game in 17.5 moves

[rnbqkb1r/pppBpppp/3B4/7P/3Nn1R1/4P3/PPPNKPP1/3Q3R]

P0053 - Satoshi Hashimoto

StrateGems 9, Jan-Mar 2000

[rnb2bnr/pppp2pp/8/5p1k/4p3/5q2/PPPPPPPP/RNBQKB1R]

15+16. Proof game in 8.0 moves

[rnb2bnr/pppp2pp/8/5p1k/4p3/5q2/PPPPPPPP/RNBQKB1R]