| Team: | Chen | Last Updated | Dec 13, 2024 at 08:54 |
| Players: | Tianyang Chen - Will Duan | ||
| 2 systems played:
- Natural 5542 when Vul except 4th seat, open almost all 11s. - Precision when NV or in 4th seat, open all 10s and possibly upgradable 9. Precision 1 opening: 15+ (16+ bal) in 1st/2nd seat, 17+ (18+ bal) in 3rd/4th seat.
- 1 = any less than GF or no ctrl (A = 2, K = 1).
- 1 + = GF artificial relays (transfer-oriented symmetric relays).
Relays off when (similar to other openings): - Opps overcall 1 + over 1 .
- 2+ step overcall over Asker’s inquiry. - 4+ step overcall over Teller’s answer. - Both opps bid (not counting the initial X/1 overcall).
Precision 1 opening: 0+ catchall, 10-14 (13-15 bal) in 1st/2nd seat, 10-16 (15-17 bal) in 3rd seat, 11-16 (11-14 bal) in 4th seat. 1st/2nd seat responses are as follows.
- 1 = 4+ (no 4 unless inv.) less than GF or 8-11 bal.
- 1NT = any GF, relay. - 2 = majors less than GF.
- 2 = 4 5+ less than GF.
- 2 = 5 4 , weak inv.
- 2 = 6+m weak inv., or 12-13 bal.
- 2NT = 4 5+ , serious inv.
Precision 1M opening: 5+M, 10-14 (13-15 bal) in 1st/2nd seat, 10-16 (15-17 bal) in 3rd seat, 11-16 (11-14 bal) in 4th seat. 1st/2nd seat responses are as follows. - Pass = can be as strong as 9 or 10 count. - 1NT = any GF, relay. - 2 = inv. catchall, no M support.
- 2 over 1 = 5+ const. to inv.
- 2M-1 = 3+M, 9- or serious inv. Precision 1NT opening: 10-12 in 1st/2nd seat, 10-14 in 3rd seat, 15-17 in 4th seat (occ. upgradable 14). 1st/2nd seat responses are as follows. - 2 = any GF, relay.
- 2NT = 5 inv.
Precision 2 opening: 6+ , 10-14 in 1st/2nd seat, 10-16 in 3rd seat, 11-16 in 4th seat. 1st/2nd seat responses are as follows.
- 2 = any GF, relay.
- 2 = inv. catchall.
- 2NT = 5 weak inv.
Natural 1 / /M openings: 2+ (including all 17-19(-) bal) / 4+ (maybe bal) / 5+M, 11-21.
- 2 over 1 = multi, a weak two in either major.
- 2NT over 1 = bal GF, 13-15 or 18+.
- 2 over 1m = reverse Flannery, 5 4+ , less than inv.
- 2 over 1m = inv. raise of m.
- Gazzilli after 1 -1 or 1M-1NT.
Precision / Natural 3NT opening: major 8-8.5 tricks. Precision 2NT opening: 55+ minors preempt. Preempt 2M opening: 2 and 2NT responses over 2 opening are inverted (2NT = ).
Transfers over 1m (X/1 /1 ) when we open or 1M (X) when we open or overcall. |
| 2 systems played:
- Natural 5542 when Vul except 4th seat, open almost all 11s. - Precision when NV or in 4th seat, open all 10s and possibly upgradable 9. Variable 1 and 1NT ranges in Precision:
- Strong 1 15+ (16+ bal) in 1st/2nd seats and 17+ (18+ bal) in 3rd/4th seats.
- 10-12 NT 1st/2nd NV, 10-14 NT 3rd NV, 15-17 NT (occ. upgradable 14) 4th seat any vul. Natural 1NT 14-16 (occ. upgradable 13), 2NT good 19-21. 1st/3rd fav preempts can be very light, 3rd seat white actions can be wide ranging. |
| Vs. NT:
- 4th best except for Hx(x). - Highest affordable card from bad suits for attitude. - Partner's suit (natural 1 excluded): High from xxx or xxxx if raised, 3rd/5th in general.
- Power lead: K for count or unblock. - Std. honor leads: T from AT9(+)/KT9(+), J from AJT(+)/KJT(+), Q from KQx(+), A from AKx(+). - Occ. incorrect honor or spot. Vs. Suit: - 3rd from even, low from odd. - Partner's suit: High from xxx or xxxx if raised, others the same. - K for count or unblock, and A or Q for attitude (at 5+ levels). - Std. hornor leads (A from AK, J from AJT/KJT). - Occ. incorrect honor or spot. Following: - Return: Count first, often 3rd/5th of remaining cards. - Shift: Generally attitude, 3rd/5th under honor, top from bad suits. |
| Priority: UD Attitude -> UD Count or Suit Preference, vary with logic.
UD discard: low encourage, high discourage. Lots of suit preference when applicable (e.g. in trumps). |