The Retrograde Analysis Corner

StrateGems

No. 29, Jan-Mar 2005

R0117 - Klaus Wenda

StrateGems 20, Jan-Mar 2005

[8/6p1/5rB1/5q2/4pN2/5k1P/4b3/2B1K1n1]

5+7. Retract 3 moves; then s#1 (Proca Retractor, Anti-Circe)

[8/6p1/5rB1/5q2/4pN2/5k1P/4b3/2B1K1n1]

P0165 - Christoph Fieberg

StrateGems 20, Jan-Mar 2005

[rn1qkbnr/ppp1p1pp/5B2/5p2/6b1/3P4/PPP2PPP/RN2K1NR]

13+15. Proof Game in 6.5 moves (2 solutions)

[rn1qkbnr/ppp1p1pp/5B2/5p2/6b1/3P4/PPP2PPP/RN2K1NR]

P0166 - Michael Grushko

StrateGems 20, Jan-Mar 2005

[rn2Kbnr/ppp1pppp/8/3p4/4P3/8/PPPP1PPP/RNN1k1NR]

14+14. Proof Game in 7.5 moves (Transmuting Kings)

[rn2Kbnr/ppp1pppp/8/3p4/4P3/8/PPPP1PPP/RNN1k1NR]

P0167 - Michael Grushko

StrateGems 20, Jan-Mar 2005

[rnb2bnr/pp1ppppp/8/8/2N5/R4P2/PPP1PqPP/R2Nk1BK]

13+15. Proof Game in 16.0 moves

[rnb2bnr/pp1ppppp/8/8/2N5/R4P2/PPP1PqPP/R2Nk1BK]

P0168 - Christoph Fieberg

StrateGems 20, Jan-Mar 2005

[r2q4/p3pppB/2n1r1p1/3k4/1Qb5/8/1PPPNPP1/1NB2RK1]

12+11. Proof Game in 17.5 moves

[r2q4/p3pppB/2n1r1p1/3k4/1Qb5/8/1PPPNPP1/1NB2RK1]

P0169 - Andrei Frolkin, Kostas Prentos

StrateGems 20, Jan-Mar 2005

[r1b1kbnr/pp1pp2P/2p4R/n7/1PR2K1P/1PB2P1N/1P4B1/1N1q4]

13+13. Proof Game in 20 moves

[r1b1kbnr/pp1pp2P/2p4R/n7/1PR2K1P/1PB2P1N/1P4B1/1N1q4]