DEFENSIVE AND COMPETITIVE BIDDING LEADS AND SIGNALS W B F (Style: Responses: 1 / 2 Level; Reopening) OPENING LEADS STYLE Sound, 5 cards, 7+ HCP at 1 level, stronger at higher levels, varies Lead In Partner’s Suit CATEGORY: i.e. Green / Blue / Red / HUM / Brown Sticker: with seat and vulnerabilities. Suit 4th best Hi-Lo even, Lo-Hi odd NCBO: USA NT 4th best Hi-Lo even, Lo-Hi odd PLAYERS: Rory XIAO/Brandon GE Subseq Current Count EVENT: 2019 Online U16` Other: K from AK asks for count at 5+ level suit contracts

1NT (2nd/4th Live; Responses; Reopening) LEADS SYSTEM SUMMARY 2nd seat 15-18 HCP, system on Lead Vs. Suit Vs. NT 4th seat 11-15 HCP, system on Ace A from AK A from AK GENERAL APPROACH AND STYLE King KQ, KQJ KQ, KQJ Two Over One Game Force Queen QJ QJT, QJ9, KQ109 2§ artificial strong, 22+ or 18+ and 8.5 tricks Jack J10, KJ10 J109, J108, AJ10, KJ10 5 Card Major ½ seat, INT Semi Force JUMP OVERCALLS (Style; Responses; Unusual NT) 10 109 109, A109, K109 INT 15 - 17, 5 card major allowed Light to sound varying on seat and vulnerabilities; rule of 234 9 Same as other spot card lead Not a sequence lead Jump shift natural invitational Unusual 2NT is 2 lower unbid suits Hi-X From doubletons Discouraging (2nd best from lack of interest) Lo-X 4th best; low from 3 4th best from interest Reopen: SIGNALS IN ORDER OF PRIORITY DIRECT & JUMP CUE BIDS (Style; Response; Reopen) Partner’s Lead Declarer’s Lead Discarding SPECIAL BIDS THAT MAY REQUIRE DEFENSE Michael cue bids 1 Attitude Count Attitude Suit 2 Count Suit Preference Count 3 Suit Preference 1 Attitude Count Attitude VS. NT (vs. Strong/Weak; Reopening; PH) NT 2 Count Suit Preference Count all seats 3 Suit Preference Signals (including Trumps): Standard is reversed

DOUBLES

VS.PREEMTS (Doubles; Cue-bids; Jumps; NT Bids) TAKEOUT DOUBLES (Style; Responses; Reopening) , after doubling weak two Sound, support unbid majors, close to opening hand, vary on vul/shape/seat Michael Cuebids Reopen double could be more relaxed Unusual VS Unusual Simple suit 0 – 7, usually 4 cards; jumping suit 8 – 12, 4 cards VS. ARTIFICIAL STRONG OPENINGS- i.e. 1§ or 2§ No SPECIAL SEQUENCES Mathe: double majors, 1NT minors SPECIAL, ARTIFICIAL & COMPETITIVE DBLS/RDLS In any game force sequence Against multi 2¨: ACBL defense option 2 , responsive double, maximal double/redouble After reaching normal game Lead directing doubles OVER OPPONENTS’ TAKEOUT DOUBLE IMPORTANT NOTES 2NT limit raise or better Redouble shows values PSYCHICS: Rare

COMPETITIVE & PASSED DESCRIPTION RESPONSES SUBSEQUENT ACTION TICKIF HAND BIDDING THRU OPENING OF NO. MIN. CARDS NEG.DBL ARTIFICIAL

1§ 3 4¨ 12 - 21 HCP Natural, INT 6 -10 HCP, inverted minor INT balanced; Suit unbalanced Negative X, support X 1¨ 3 4¨ 12 - 21 HCP Natural, INT 6 -10 HCP, inverted minor, 2/1 GF INT balanced; Suit unbalanced Negative X, support X 1© 5/4 4¨ 12 - 21 HCP INT semi force, constructive raise, 2/1 GF, 2m/INT 3+ cards, NMF Negative X, support X jump shift natural invitational,3© limited raise 1ª 5/4 4¨ 12 - 21 HCP INT semi force, constructive raise, 2/1 GF 2m/INT 3+ cards, NMF Negative X, support X Jump shift natural invitational, 3ª limited raise INT N/A 15 - 17 HCP Stayman, 4 way transfers, 2ª for range/club System on over X/2§ Any 5332 allowed 3§ GF Puppet, 3¨ GF 55m, 3©/3ª Splinter Lebensohl over 2¨+ 2§ X 0 N/A 22+ HCP, 2¨ waiting Any bid natural force X/XX worst Or 18+ and 8.5 tricks 2©/2ª 2/3, 5+; 2NT 8+ HCP; 3§ 1/3, 6+ 2¨ 6 N/A 5 - 10 HCP 2NT Ogust; raise only non force, 4§ keycard 2© 6 N/A 5 – 10 HCP, no 4oM ½ seat 2NT Ogust; raise only non force, 4§ keycard Ogust resp:3§bad hand/bad suit 3¨bad/good, 2ª 6 N/A 5 – 10 HCP, no 4oM ½ seat 2NT Ogust; raise only non force, 4§ keycard 3© good/bad 3ª good/good 3NT AKQxxx 2NT N/A N/A 20 – 21 HCP Puppet Stayman, Stayman, Transfers 3§ 6 N/A 5 – 10 HCP Raise only non force, 4¨ keycard 3¨ 6 N/A 5 – 10 HCP Raise only non force, 4§ keycard 3© 7 N/A 5 – 10 HCP Raise only non force, 4§ keycard 3ª 7 N/A 5 – 10 HCP Raise only non force, 4§ keycard 3NT X 7 card solid minor suit 4§/5§ pass or correct No side ace or king ½ seat 4¨ slam interest 4§ 8 N/A 4¨ 8 N/A 4© 8 N/A 4ª 8 N/A 4NT 5§ 9 N/A HIGH LEVEL BIDDING 5¨ 9 N/A RKC 1430, D0P1(steps), DEPO (number of key cards) 5© 9 N/A 1st or 2nd round control 5ª 9 N/A Quantitative 4NT

PLAYERS: Rory XIAO/Brandon GE, USA U16