March 2009
R407 - S.N. Ravi Shankar
The Problemist, March 2009
2+6. -2 & #2 (Høeg retractor)
[5bBk/4p1pr/7p/7K/8/8/8/8]
Solution
R408 - Cedric Lytton, Dom Cyprian Stockford
12+15. #2 a) diagram b) Bg7->h6
[1bnnk2r/2p1ppbp/bp2pQ2/1p2NNr1/8/7P/PPPRB1P1/R3K3]
F2712 - Ronald Turnbull
2+1. Retract to bare kings in 9 half moves (Sentinelles)
[k1K5/2P5/8/8/8/8/8/8]
A - Mark Thornton
14+13. Shortest proof game in 8.0 moves
[rn1q2rk/pppp2bp/5pp1/8/8/8/P1PPPPPP/R1BQKBNR]
B - Mark Thornton
14+13. Proof game in 9.0 moves
1. g4 e6 2. g5 Ba3 3. g6 Bxb2 4. gxh7 g6 5. hxg8=N Bg7 6. Ne7 f6 7. Nxc8 O-O 8. Ne7+ Kh8 9. Ng8 Rxg8 (And the same with a promoted pawn)
[rn1q2rk/pppp2b1/4ppp1/8/8/8/P1PPPP1P/RNBQKBNR]
C - Itamar Faybish
13+13. Proof Game in 9.5 moves
Michel Caillaud, RML, 25.Mar.2009: This idea was proposed to solvers in Messigny 2007. The diagram position is more attractive in Itamar's rendering but the content is the same.
[1nbqkbnr/p1pppp2/8/8/8/4KP2/PP1PP2p/RNBQ1BNR]