You Searched For: OPI01
Marjan Kovacevic (Serbia) Original 24-Dec-2021
(3+2) Add a Black officer for a sound H#2 b) wBa1 --> b2
Andrew Buchanan (Singapore) Original 24-Dec-2021
(2+1) a) H#2 b) Add a unit for a sound H#3 c) Add an (orthodox) unit illegally for a sound H#3
Tadashi Wakashima (Japan)
Naotsugu Yoshida (Japan) Original 24-Dec-2021
(16+0) White plays 31 moves, so that all pieces are unguarded in the final position. (2 solutions)
Andrew Buchanan (Singapore) Original 24-Dec-2021
(3+3) H#2.5 (2 solutions) Position after Black's 5,696th move
James Malcom (USA)
Andrew Buchanan (Singapore) Original 24-Dec-2021
(3+10) H#4 Circe. Dummy Pawn Rule
Bojan Basic (Serbia) Original 24-Dec-2021
(4+3) -8 & S#1 Proca Retractor Anti-Circe Calvet b) wPf6 --> d2