The Retrograde Analysis Corner

StrateGems

No. 41, Jan-Mar 2008

R0100v - Wolfgang Dittmann

StrateGems 41, Jan-Mar 2008

[k6n/8/8/p1P5/p1Pp1p2/5r2/1N2p1NP/4K3]

6+8. Retract 12 moves, then #1 (Proca Retractor, Anticirce Cheylan)

[k6n/8/8/p1P5/p1Pp1p2/5r2/1N2p1NP/4K3]

R0107v - Wolfgang Dittmann, Paul Raican

StrateGems 41, Jan-Mar 2008

[7Q/8/6P1/5b2/8/3k4/7P/b3K2r]

4+4. Retract 8 moves, then s#1 (Proca Retractor, Anticirce Cheylan)

[7Q/8/6P1/5b2/8/3k4/7P/b3K2r]

R0142 - Noam D. Elkies

StrateGems 41, Jan-Mar 2008

[8/8/8/8/8/PP1R1p2/QNPP1P2/1Bk1K2R]

11+2. What result?

[8/8/8/8/8/PP1R1p2/QNPP1P2/1Bk1K2R]

R0143 - Thomas Volet, Noam D. Elkies

StrateGems 41, Jan-Mar 2008

[B1R5/k1P5/P7/KpP5/pP6/P2P2P1/8/B7]

11+3. a) What result? b) [DR] Whose move?

[B1R5/k1P5/P7/KpP5/pP6/P2P2P1/8/B7]

R0144 - Klaus Wenda

StrateGems 41, Jan-Mar 2008

[nR3R2/8/4r3/1P2P1Pp/2Pb3q/n2pK3/P1PP1P2/B1k4b]

12+9. Retract 4 moves, then #1 (Proca Retractor, Anticirce Cheylan)

[nR3R2/8/4r3/1P2P1Pp/2Pb3q/n2pK3/P1PP1P2/B1k4b]

P0220 - Kevin Begley, Kostas Prentos

StrateGems 41, Jan-Mar 2008

[rn1qkb2/ppp1pp1p/2R2n2/1B6/4p1b1/R3K2Q/B1N2N1r/PPPPPPPP]

16+15. Proof Game in 15.5 moves (Circe Parrain)

[rn1qkb2/ppp1pp1p/2R2n2/1B6/4p1b1/R3K2Q/B1N2N1r/PPPPPPPP]