The Retrograde Analysis Corner

Die Schwalbe

No. 167, October 1997

9792 - Alexander Zolotarew
Die Schwalbe Heft 167, 10/1997

[4n3/B1p1pp2/1p3p2/3p1K1p/3P2r1/3p1kQb/2P1NPRr/3BBNnR]

9793 - Alessandro Cuppini
Die Schwalbe Heft 167, 10/1997

[R5N1/P4k2/P7/3P4/P7/P7/P2P4/8]

9+1. Add the wh. King and one Pawn, then mate in 1

9794 - Andrej Frolkin and S. N. Tkatschenko
Die Schwalbe Heft 167, 10/1997

[1nBqkbn1/p1p1pp2/8/3p2p1/7B/7N/2PPPP2/QN1qK3]

10+12. Proof game in 14.0 moves

9795 - Unto Heinonen
Die Schwalbe Heft 167, 10/1997

[r2qk3/p1ppp1bp/1Bn2p1p/N1p5/4n3/1PP2PP1/2PPP2P/3QK1NR]

14+14. Proof game in 18.0 moves

9796 - Andrej Frolkin and S. I. Tkatschenko
Die Schwalbe Heft 167, 10/1997

[1Bb2bnr/pp1ppppp/6k1/4QR1R/1p4K1/1P1P1PPN/1P4P1/N7]

13+13. Position after Black's 23rd move.
Black played 19...b4!
Result?

9797 - Gunter Jordan and Manfred Seidel
Die Schwalbe Heft 167, 10/1997

[rnb1kb2/pppp1p2/8/4p1p1/6N1/7B/PPPqPP1r/NRBQ1RK1]

13+14. Proof game in 9.0 moves (Madrasi)