"We changed our strategy," said Angelopoulos, who was not part of the previous bid.

Each player either bids greater than the previous bid or passes.

A player who does not want to overbid the previous bid may pass, but cannot come in again later.

Defense lawyers lost a previous bid to overturn the convictions.

Yahoo's current market value is $20bn (£13bn), compared with Microsoft's previous bid of around $45bn.

Call: If the player calls, it means that they do not buy or believe the correctness of the previous bid.

Each new bid must be higher than the previous bid.

Each player has the option to either pass or outbid the previous bid.

If the current player challenges the previous bid, all dice are revealed.

Black & Decker's previous bid was $73 a share, for a total of $2.35 billion.