The Retrograde Analysis Corner

The Problemist

July 2008

R399 - Ian Shanahan

The Problemist, July 2008

[8/8/8/8/8/K7/1p6/7k]

1+2. Add wP, 2wB for an IC (Protean men)

[8/8/8/8/8/K7/1p6/7k]

R400 - Bernd Gräfrath

The Problemist, July 2008

[1nb2bnr/4pppp/1rq5/p1pp4/1k6/4P3/1PPPKPPP/1NBQ1BNR]

14+15. Add wP for h#1 (double minimummer)

[1nb2bnr/4pppp/1rq5/p1pp4/1k6/4P3/1PPPKPPP/1NBQ1BNR]

F2654 - Ronald Turnbull

The Problemist, July 2008

[7K/7p/8/8/8/1P6/1k1N3P/8]

4+2. -3 & #1 (Proca, Transmuting kings)

[7K/7p/8/8/8/1P6/1k1N3P/8]

F2655 - Peter Fayers

The Problemist, July 2008

[rnbqkb2/ppppppp1/8/8/8/8/PPPPPPP1/RNBQKB2]

13+13. Proof game in 4.5 moves (Vertical Moebius cylinder)

[rnbqkb2/ppppppp1/8/8/8/8/PPPPPPP1/RNBQKB2]

PS2066F - Guy Sobrecases

The Problemist, July 2008

(Updated by the author via mail)

[rnb3rk/ppp1p2p/3b1n2/3p1p2/6q1/8/PPPPPNPP/RNBQKB1R]

15+15. Shortest proof game in 11.0 moves

[rnb3rk/ppp1p2p/3b1n2/3p1p2/6q1/8/PPPPPNPP/RNBQKB1R]