The Retrograde Analysis Corner

Die Schwalbe

No. 165, June 1997

9645 - Friedrich Ziak
Die Schwalbe Heft 165, 06/1997
Ded. Rudolf Sokolt

[8/1p1prP2/4ppp1/1n6/n1pkPp1r/2p5/2q5/R3K3]

4+14. Helpmate in 3 (AP)

9646 - Josef Haas
Die Schwalbe Heft 165, 06/1997

[nkrqRbb1/p1p1p1p1/3p1p1p/pK6/88/P1P1P3/8]

5+14. Bl. and Wh. retract 1 move, then mate in 1

9647 - Josef Haas
Die Schwalbe Heft 165, 06/1997

[1qbQ4/pkpp1ppp/8/p1KP4/2P2P2/1P6/P2PP3/8]

9+10. Bl. and Wh. retract 1 move, then mate in 1

9648 - Alexander Zolotarew
Die Schwalbe Heft 165, 06/1997

[8/1p2p2p/2p2PPr/4ppp1/2P3bq/4PK1k/1P2PPrb/5BQR]

9649 - Tom Volet
Die Schwalbe Heft 165, 06/1997

[3B1b1N/2pp1pPR/3p1K2/1p5Q/5k2/1p1P1P1P/2PRPPp1/7N]

14+9. Last capture by White?

9650 - Andrej Frolkin
Die Schwalbe Heft 165, 06/1997

[2Br1r2/p1pp1kb1/p1n2p1n/4p1qp/3P1B2/4P2b/PPP1NP2/RN1QKR2]

14+15. Shortest proof game
(Promotees in the diagram position are (a) allowed, (b) forbidden)

9651 - Unto Heinonen
Die Schwalbe Heft 165, 06/1997

[2k4r/pppnpp1p/5Q2/3p4/PPPPPPPP/q1r2bR1/1b1n4/BN2KBNR]

16+15. Proof game in 16 moves

9652c - Karlheinz Bachmann
Die Schwalbe Heft 168, 12/1997 (for the corrected version)
(This was later found to be cooked)

[1n1qkb2/B1ppppp1/p1p3pn/1QK5/3P1NP1/1RP3P1/PPP1N2P/8]

14+13. Proof game in 26 moves

9653 - Andrej Frolkin
Die Schwalbe Heft 165, 06/1997
Ded. Peter Wong

[3bk3/2ppnp2/2b4n/4pr2/3p1N2/pPRr3B/RPPPPPKp/1NB4Q]

14+14. Proof game in 24 moves, 2 solutions

9654 - Valery Liskovets
Die Schwalbe Heft 165, 06/1997

[3k4/2N1N3/3K4/3R4/8/3R4/2r1r3/8]

5+3. Mate in 3 pRA (RV)
Retro-Volages

9655 - Leonid Borodatow
Die Schwalbe Heft 165, 06/1997

[r3k2r/2p5/1p2P1p1/3PNP2/2PPpP2/3NpB2/4p3/RR2K1BQ]

14+9. Mate in 2 pRA (RV)

9656 - Mario Velucchi
Die Schwalbe Heft 165, 06/1997

[8888/2p4P/6Pk/5P1p/7K]

4+3. In which position is h=5 (help-stalemate in 5) possible?
(a) = Diagram, (b) = without bPc4, (c) = without bPh2