The Retrograde Analysis Corner

Die Schwalbe

No. 166, August 1997

9720 - Alexander Zolotarew
Die Schwalbe Heft 166, 08/1997

[6bR/5ppr/1pP1pp1B/5p1K/p6P/4PP1k/1P2PPBr/7n]

9721c - Unto Heinonen
Die Schwalbe Heft 166, 08/1997

[3Q1rQ1/pp2npbp/r1p5/2k2bB1/3n4/4P3/PPp2PP1/RN1QK1NR]

14+13. Proof game in 17.0 moves
(3 wQs)

9722 - Andrej Frolkin
Die Schwalbe Heft 166, 08/1997

[3rqkN1/1ppn1p2/2pbbp1n/88/pR1r4/PPPPPP1p/R1BQKBN1]

14+15. Proof game in 18.5 moves

9723 - Andrej Frolkin and Oksana Kartsewa
Die Schwalbe Heft 166, 08/1997

[1Q1n1rk1/2R1p2p/7p/1N5K/4B3/PPPPPPPP/2Nn4/B7]

15+7. Proof game in 26.0 moves

9724 - Jon Bang
Die Schwalbe Heft 166, 08/1997

[1B1QQ1B1/1PP3PP/PPR3KR/3K2RP/2PRBPP1/3PPP2/2P1P1N1/4N3]

0+0+28. Who is mate?

9725 - Klaus Wenda
Die Schwalbe Heft 166, 08/1997

[2b5/6p1/1p3nkp/8/4b2K/1r6/1p4p1/5B2]

2+10. Wh. and Bl. retract one move and then h#1
Frisch Auf Circe

9726 - Juri Arefjew
Die Schwalbe Heft 166, 08/1997

[888/3bk3/8/P2PP1PP/rPPrrP1K/rrrrrr1r]

9+12. Mate?

9727 - Juri Arefjew
Die Schwalbe Heft 166, 08/1997

[2BR4/2NP2B1/1PPkPPN1/1pppprP1/5pp1/3R4/1p1K2p1/7Q]

9728 - Stanislav Vokál
Die Schwalbe Heft 166, 08/1997

[3qk2r/p1ppppbp/2pn1n2/8/6Pp/PQN1BN2/1PP1PPP1/R3KB2]

14+14. Which castling is not legal?
(a) = Diagram
(b) = (a) + bPh4 -> h6
(c) = (b) + bBg7 -> c8
(d) = (c) + bBh6 -> h5