Double check also be possible. For example, in the position shown, after Black plays 1...d5, White plays 2.exd6e.p. quintuple check (the "moa" is a non-leaping knight which first takes a diagonal step, then an orthogonal one). After the "en passant" capture, five pieces check the black king: both moas, the rook, the grasshopper and the bishop. In xiangqi, the Chinese version of chess, triple check and even quadruple check is possible even without using fairy pieces, as in the following examples: Double check In chess, a double check is a check delivered by two pieces simultaneously. In chess notation, it is almost
Owned-and-operated television stations in the United States opened up a new spectrum of frequencies on the UHF dial (channels 14–83) for terrestrial television. As an incentive for companies to operate UHF stations, the FCC relaxed the ownership limit for a given entity from five to seven stations, provided that no more than five were on the VHF dial. With this opportunity to expand its roster of O&Os, NBC bought WBUF-TV (channel 17) in Buffalo in 1955 and WKNB-TV (channel 30) in New Britain, Connecticut (near Hartford) in 1957, and changed WKNB's call letters to WNBC-TV (the present-day WNBC in New York City used the WRCA-TV callsign from