May 2009
F2724 - Anatoly Steposhkin
The Problemist, May 2009
2+3. s#5 (Köko, blackmax)
[4k2r/8/4KQ2/6p1/8/8/8/8]
Solution
F2694v - Günther Weeth
11+9. -10 & #1 (Anticirce Proca)
[Rn1k4/p1p1r3/3bp3/7P/4P3/P1P5/1P1PPKP1/2B1q2r]
F2725 - Valeriu Petrovici
2+3. -2b & ser-h#2 Pacific retractor a) diagram b) wBe6
[K7/8/kq2N3/p7/8/8/8/8]
F2726 - Klaus Wenda
3+9. -4 & #1 (Anticirce Proca)
[Bbr3b1/2B5/8/8/3rp2n/1q5k/6p1/4K3]
F2727 - Bernd Gräfrath
11+14. Shortest proof game in 9.5 move (White maximum)
[rnb1kb1r/ppp1pp1p/8/6p1/3Pn3/8/PPP1P1PP/2KR2BR]
F2728 - Paul Raican
13+13. Shortest proof game in 8.5 moves (Annan)
[r1bqkb2/ppp1ppp1/8/R7/p7/3rP3/1PPP1PP1/1NBQK1NR]
A - Julius Sunyer
(version Gianni Donati)
9+13. Add 2 white pieces for #1
[8/pppppp1p/8/5PN1/8/5PPP/P1N1P1rk/rb3Knn]
B - Joaquim Crusats
(after Julius Sunyer)
12+9. Colour two knights black for #1
[8/1pp1pp2/p6p/2p3P1/1N1NN2P/P3P2P/1p3NP1/1k2K2R]
R409 - Paul Raica
(after J-C. Dumont & J.C. Gandy)
6+3. -3 & #1
[8/p7/kPP5/n7/1R6/8/7P/K5B1]
R410 - Ronald Turnbull & Mark Ridley
2+3. Castling rights? (a) Orthodox (b) Monochrome (a1->h1) (c) Kamikaze (d) Circe (e) Circe Parrain (f) Alice (board B empty)
[r3k3/8/4p3/8/8/8/8/R3K3]