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ol recommends using the precise method, and if it is an offline partner, it is recommended to use the natural method, but in fact, the difference between the two is not too much.
Naturally, there is already one upstairs, and I will give you a rough idea of the exact method:
Open call and first call.
1c: 16 o'clock or more. --
1d: Show weakness to call. 0-7 points.
1H, 1S, 2C, 2D: 8 o'clock or more, at least 5 sheets.
1NT, 2NT, 3NT: Real call, restrictive.
Suit jumping call: real calling, weak off-the-beaten.
1d: 11-15 points, usually d at least 4 cards. --
1h, 1s, 2c: Actual calling, forcing a round.
1NT, 3NT: real calling, restrictive.
2NT: Real call, 16 points or more, average card type, forced to enter the game.
2d: Impose a call on d, force a round.
3d: A weak addition to d.
2h, 2s, 3c: a strong set of more than 5 cards above 16 points, and the game is forced to call.
1h, 1s: 11-15 o'clock, at least 5 suits. --New suit: real call, forced to call a circle.
Call: real call, restrictive.
1nt: Forced to call a lap.
2NT: Real call, 16 points or more, average card type, forced to enter the game.
3NT: False Screaming, Imposing Bidding, Restrictive.
Jump call new suit: 16 points or more real bid, for more than 5 strong long suits, into the game forced to bid.
1nt: 13-15 point average. --
2c: Non-entry forced stayman.
2D: Entering the game to force the sexual stayman.
2H, 2S, 3C, 3D: Signal weakness and stop calling.
2NT: Actual call, invite to call (10-11) points.
3nt: Closed and stopped.
3h, 3s: real calling, forced calling.
2C: 11-15 points, C at least a good 5-card suit and a 4-card suit of advanced suits; Or C is a good 6 pieces set. --
2D: False bidding, asking the opener to further report the card.
2H, 2S, 3C: Real calling, restrictive.
2NT: Real calling, restrictive.
Any round of bidding: Closing the round and stopping the bidding.
2D: False Bid, 4-4-1-4 or 4-4-0-5 card type, D short set; 11-15 o'clock. --
2h, 2s, 3c: show weakness and stop calling.
2NT: False bidding, requiring the caller to further report the card.
3D: Real call, for 3NT invite.
Any round of bidding: Closing the round and stopping the bidding.
2h, 2s: weak open bid, 8-10 o'clock. --
New suits: real call, forced call.
2NT: False bidding, requiring the caller to further report the card.
Any round of bidding: Closing the round and stopping the bidding.
2nt: 22-23 point average.
According to the general "standard" method of calling.
3 or 4 suits: Shut down.
According to the general "standard" method of calling.
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Just buy this bridge and learn how to get started.
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