The Retrograde Analysis Corner

diagrammes

No. 112, Jan. 1995

3239 - Eric Angelini
diagrammes 112, 01/1995

7+16. Position after Black's 23rd move. Who captured the white Knight where?

[8/rnbqkbnr/pppppppp/8/8/8/8/RNBQKB1R]

Solution

3240 - Eric Angelini
diagrammes 112, 01/1995

7+16. Position after Black's 23rd move. Who captured the white Bishop where?

[8/rnbqkbnr/pppppppp/8/8/8/8/RNBQK1NR]

Solution

3241 - A. Zolotarev and N. Plaksin
diagrammes 112, 01/1995
(This problem was later found to be cooked)

12+12. Add 2 men. Last 20 single moves?

[nB6/Q1pp2p1/R1kpp3/qB5p/1PP2P2/1KRP4/rP2P3/b2b4]

Solution

3242 - Thierry Le Gleuher
diagrammes 112, 01/1995

15+13. (Einstein chess) Position after Wh. 18th. Game score?

[1nbqPr1k/1ppppppN/6Pp/8/6PB/1N2Pp2/1PP2P1P/1N2K1NR]

Solution