No. 30, Apr-Jun 2005
R0118 - Michael Grushko
StrateGems 30, Apr-Jun 2005
3+3. Retract 1 move; then h#1.5 (Circe Parrain, Grasshopper b8)
[1GNbk3/4p3/8/8/8/8/8/1K6]
[1QNbk3/4p3/8/8/8/8/8/1K6]
Solution
R0119 - Radovan Tomasevic
3+3. Retract 9 moves; then mate in one (Proca Retractor, Anti-Circe)
[3r1k1n/4R3/8/8/8/8/K7/5B2]
P0170 - Michael Grushko
15+14. Proof Game in 5.0 moves (Andernach)
[rn2kbnr/pppppppp/8/8/8/4P3/PPPP1PPP/RNBBK1NR]
P0171 - Michael Grushko
This problem was later found to be cooked
16+16. Proof Game in 8.0 (Circe Parrain)
[r1bqkbBr/pppppp1n/6pp/6N1/1n6/4P2Q/PPPP1PPP/R1B1K1NR]
P0172 - Unto Heinonen
15+14. Proof Game in 10.5 moves
[rnb1Kbnr/ppppp1p1/7B/5p2/3P4/5P2/PPP1P1PP/RN2kBNR]
P0173 - Richard Stanley
16+13. Proof Game in 13.5 moves
[1nb3nr/1ppp3p/5p2/6k1/r3p3/pP6/P1PPPPPP/RNBKQBNR]
P0174 - Paul Raican
Dedicated to Kostas Prentos
16+15. Proof Game in 18.5 moves
[2k2bnr/pp2pppp/2P5/P1p5/2P1BRPP/3q4/1P2PPr1/nNBQKbNR]
P0175 - Unto Heinonen
15+13. Proof Game in 20.5 moves
[rn4nr/p1p2p1p/3pp1p1/5b2/k1P4P/5PP1/1PP3P1/RRNBQKBN]