No. 15, June 2000
R15 - ?#8240;tienne Dupuis
Problemesis 15, June 2000
![[rnkq2nr/ppp1pp1p/6p1/8/3p4/P7/bPPPPPPP/RNBQKBNR]](R15.gif)
16+15. (Vertical cylinder) Proof game in 7.5 moves
R16 - Satoshi Hashimoto
Ded. Christian Poisson
Problemesis 15, June 2000
![[1nb2rk1/p4p1p/p4nq1/1rp2p2/8/P1PKP3/1PP2PP1/RN1Q2NR]](R16.gif)
13+13. Proof game in 14.0 moves
R17 - Michel Caillaud
Problemesis 15, June 2000
![[rnbqk2r/pppp2bp/5Q1p/4pp2/8/6K1/PPPP1PPP/RNB2BNR]](R17.gif)
15+15. Proof game in 11.0 moves