The Retrograde Analysis Corner

Phénix

No. 65, July-August 1998

2871 - K. Cefle
Phénix 65, Jul.-Aug. 1998

[r1b1k2r/pp1ppppp/2p5/88/4P3/PPPPP1PP/R3K2R]

11+12. White is about to play his 516th move in the game.
Helpmate in 2.5 moves

2872 - A. Frolkin
Phénix 65, Jul.-Aug. 1998

[2kr1r1b/pppb1p2/2p2N1n/1n1q3p/8/1QP5/PP1PPPP1/R1B1KBNR]

15+14. Shortest proof game in 12.0 moves (2 solutions)

2873 - A. Frolkin
Phénix 65, Jul.-Aug. 1998

[2k3Bb/ppp1p1rq/2n4n/1p3b1r/3P1B1p/4Pp2/PPP2P2/RN1QK1NR]

14+15. Shortest proof game in 18.5 moves

2874 - M. Velucchi
Phénix 65, Jul.-Aug. 1998
(This problem was later found to be cooked)

[r2q1b1r/pp2pkpp/88/5B2/3p4/PPb2PPP/R2QKBNR]

2875 - M. Velucchi
Phénix 65, Jul.-Aug. 1998

[1n1q1bnr/p2kpppp/8888/PP1PPP1P/RNBQKBNR]

2876 - M. Caillaud
Phénix 65, Jul.-Aug. 1998

[8/2p3p1/1p1p3b/1r1r2p1/K1pPkPpp/n2n2PP/7q/7b]

5+16. shc#12 (Consequent Series-Helpmate in 12 moves)