Bidding rules
for advanced players

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Only one side bids

Both sides bid 

If only one side (partnership) bids and opponents are not intervening or only doubling, we use the constructive bidding rules:

If both sides (partnerships) bid - the opponents are intervening by bidding a suit - we use the competitive bidding rules:

Only one side bids

If only one side (partnership) bids and opponents are not intervening or only doubling, we use the constructive bidding rules:

Both sides bid 

If both sides (partnerships) bid - the opponents are intervening by bidding a suit - we use the competitive bidding rules: