No. 34, Apr-Jun 2006
R0126 - Paul Raican
StrateGems 34, Apr-Jun 2006
6+6. Retract 7 moves, then mate in one (Proca Retractor, Anti-Circe Cheylan, 2 white Bishops on black squares)
[8/6B1/8/6P1/2p3kB/1qN1pp2/1P6/4K1b1]
Solution
R0126v - Paul Raican
The author improves R0126v by removing f3:
6+5. Retract 8 moves, then mate in one (Proca Retractor, Anti-Circe Cheylan, 2 white Bishops on black squares)
[8/6B1/8/6P1/2p3kB/1qN1p3/1P6/4K1b1]
P0188 - Udo Degener
15+15. Proof Game in 8.5 moves
a) Diagram b) -bBg5: Proof Game in 7.5 moves
[rnbq1R1r/pppp3p/4pnp1/6bk/7P/8/PPPPP1P1/RNBQKBN1]
P0189 - Michael Grushko
This problem was later found to be cooked.
15+14. Proof Game in 9.5 moves (Transmuting kings)
[rnbQKb1r/pppp1ppp/8/6B1/8/8/PPP1PPPP/RN1qkBNR]
P0190 - Andrei Frolkin, Kostas Prentos
14+12. Proof Game in 26.5 moves
[1n3R1B/1p3n2/1p1pnpp1/2p4k/1q6/2PP2r1/PRPP2Q1/RNN1KB2]
