The Retrograde Analysis Corner

The Problemist

November 2006

R379 - Alain Brobecker
The Problemist, November 2006

[NBQB1QNR/PNK1KRBB/1PRPPPPP/P1P5/8/3P4/1P2PPPP/5B1R]

31+0. Color the pieces. Last three moves?

[NBQB1QNR/PNK1KRBB/1PRPPPPP/P1P5/8/3P4/1P2PPPP/5B1R]

R380 - Charles Frankiss
The Problemist, November 2006

[rNBqkBnr/1ppbppbp/8/8/P7/8/2PPPP1P/1N1Q1RK1]

13+12. Shortest Proof Game in 10.5 moves

[rNBqkBnr/1ppbppbp/8/8/P7/8/2PPPP1P/1N1Q1RK1]

F2520 - Guenther Weeth & Klaus Wenda
The Problemist, November 2006

[5r2/2Np1ppQ/1q1n4/3PK3/5Bpn/7k/6N1/4b3]

6+10. -3 & #1, Proca, AntiCirce

[5r2/2Np1ppQ/1q1n4/3PK3/5Bpn/7k/6N1/4b3]

PS1863F - Brian Stephenson
The Problemist, November 2006

[Brbqkbnr/p2ppppp/1B6/2pP4/1P1n4/8/4PP1P/Q2RK1NR]

12+15. Shortest Proof Game in 12.0 moves

[Brbqkbnr/p2ppppp/1B6/2pP4/1P1n4/8/4PP1P/Q2RK1NR]