No. 50, April 2005
R214 - Jorge J. Lois & Roberto Osorio Problemesis No. 50, April 2006
15+15. Proof game in 15.5 moves (C+)
[rnb5/pppp3p/5p2/5p1k/4n2b/6q1/PPPPPrPP/RNBQKBNR]