🇭🇰 CHANG Shirley · CHINA HONG KONG

58rank
-43.7Butler · 144 bds
-0.30per board
±4.6swing
-1.14vs par /bd · #75/79
-0.38adjusted /bd
Butler per round: -10.7 20.5 6.4 -7.2 -21.2 -8.3 -4.9 -36.2 17.9by round

vs par split: bidding -0.80 · play -0.34

Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted -0.38/bd

Card play — on target: opening leads 76.2% #53 of 79 · declarer play 58.1% #78 of 79 · defence 77.9% #67 of 79

Card play by contract type — on target
vs NTvs a suit
Opening leads68.8% (16)80.8% (26)
Declarer play33.3% (6)64.0% (25)
Defence68.0% (25)82.7% (52)

Opening leads by suit led: ♠ 70.6% (17) · ♥ 87.5% (8) · ♦ 100.0% (7) · ♣ 60.0% (10)

vs par by strain: NT -0.87 (38) · a suit -1.24 (106)

vs par by level: part-score -1.11 (66) · game -1.05 (74) · slam -3.25 (4)

By role: declaring -0.07/bd (-3.24 vs par · 67) · defending -0.50/bd (+0.69 vs par · 77)

By vulnerability: vulnerable -0.23/bd (-1.40 vs par · 72) · not vulnerable -0.38/bd (-0.88 vs par · 72)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2W.NeumannR.Choksi – B.DeyOpen16-10.7-0.67-3.00
Round 3W.NeumannP.Gazzari – H.BahnaOpen16+20.5+1.28+0.75
Round 4W.NeumannV.Hand – A.O'KeeffeOpen16+6.4+0.40+0.00
Round 7W.NeumannC.Arnolds – W.Van ZwolOpen16-7.2-0.45-0.56
Round 8W.NeumannN.Bekkouche – D.SchaltzClosed16-21.2-1.32-2.25
Round 11W.NeumannN.Eldin – C.ReynaudClosed16-8.3-0.52+0.00
Round 12W.NeumannM.Filippi – A.UrbaniClosed16-4.9-0.31-0.75
Round 14W.NeumannS.Moss – J.RadinOpen16-36.2-2.26-3.88
Round 15W.NeumannG.Palmer – L.CartnerClosed16+17.9+1.12-0.56

Every board — best Butler first↑ top

vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.

ButlerRoundOpponentsBdContractLeadResvs par
+9.9Round 3🇨🇱 CHILE146♥♦A+1-9
+9.9Round 14🇺🇸 USA252♣♠Q+2+5
+9.5Round 15🇳🇿 NEW ZEALAND43NT♣2=-13
+8.8Round 3🇨🇱 CHILE43NT♠3-3+10
+8.8Round 3🇨🇱 CHILE64♥♦A=+13
+8.8Round 8🇩🇰 DENMARK256♥♦A-3+14
+8.5Round 8🇩🇰 DENMARK274♥♣J-1+11
+8.0Round 12🇸🇲 SAN MARINO184♥♣10+1+13
+7.1Round 7🇳🇱 NETHERLANDS35♣♥6=+3
+6.5Round 2🇮🇳 INDIA294♥♣3=+0
+6.5Round 15🇳🇿 NEW ZEALAND124♠♣K-2+6
+5.8Round 12🇸🇲 SAN MARINO322♠♣K+2+10
+5.6Round 3🇨🇱 CHILE71♠♥A-2+8
+5.5Round 12🇸🇲 SAN MARINO213♦♠5=+0
+5.3Round 4🇮🇪 IRELAND263NT♥4=+10
+5.0Round 15🇳🇿 NEW ZEALAND165♦♣8-2+7
+4.9Round 15🇳🇿 NEW ZEALAND104♥x♠4=+5
+4.7Round 2🇮🇳 INDIA222♦♥J-2+3
+4.6Round 15🇳🇿 NEW ZEALAND14♠♦Q=+7
+4.5Round 15🇳🇿 NEW ZEALAND74♠♣J=+0
+4.0Round 4🇮🇪 IRELAND174♠♣A-1+10
+4.0Round 14🇺🇸 USA174♠♥4=+7
+3.9Round 3🇨🇱 CHILE34♣♠4=+0
+3.8Round 7🇳🇱 NETHERLANDS144♥♠2-1+10
+3.7Round 7🇳🇱 NETHERLANDS45♥x♠J-2+0
+3.5Round 15🇳🇿 NEW ZEALAND33NT♠K-3+9
+3.4Round 8🇩🇰 DENMARK232♠♥7+2+1
+3.3Round 3🇨🇱 CHILE163♦♠A-1+4
+3.2Round 3🇨🇱 CHILE134♥♥2-1-6
+3.0Round 4🇮🇪 IRELAND221NT♠4=+5
+2.9Round 7🇳🇱 NETHERLANDS153♣♦10+1+0
+2.9Round 11🇷🇪 REUNION122♥♠K+1+0
+2.9Round 12🇸🇲 SAN MARINO283♦♣A+1+7
+2.8Round 8🇩🇰 DENMARK212♦♥9-2+0
+2.4Round 11🇷🇪 REUNION161♥♦5+2+6
+2.3Round 4🇮🇪 IRELAND242♦♠8+2+7
+2.2Round 2🇮🇳 INDIA243♥♣5-1-2
+2.2Round 11🇷🇪 REUNION24♥♦8=+0
+2.1Round 2🇮🇳 INDIA262NT♠7=+0
+2.1Round 14🇺🇸 USA303♣x♠3-3-10
+1.7Round 12🇸🇲 SAN MARINO202♦♠7+2+10
+1.6Round 14🇺🇸 USA224♠♥9=-1
+1.5Round 2🇮🇳 INDIA173♠x♥2-1+8
+1.5Round 2🇮🇳 INDIA213♦♣J-2-9
+1.5Round 11🇷🇪 REUNION134♠♥7=-1
+1.5Round 12🇸🇲 SAN MARINO243NT♠4+3+1
+1.4Round 7🇳🇱 NETHERLANDS131NT♣4=-1
+1.4Round 14🇺🇸 USA273♠♦10+1+6
+1.3Round 14🇺🇸 USA181NT♥K-1-3
+1.2Round 7🇳🇱 NETHERLANDS61NT♣K+1-1
+1.2Round 7🇳🇱 NETHERLANDS103NT♦2=+2
+1.1Round 8🇩🇰 DENMARK304♦♠J+1-4
+1.1Round 11🇷🇪 REUNION94♠♣Q+1+11
+1.1Round 12🇸🇲 SAN MARINO264♠♠7+1+0
+1.0Round 7🇳🇱 NETHERLANDS74♥♦A+1+0
+0.9Round 3🇨🇱 CHILE93♦♠A+2+7
+0.9Round 8🇩🇰 DENMARK172NT♥4+1+0
+0.9Round 14🇺🇸 USA194♠♥2+2+1
+0.8Round 2🇮🇳 INDIA252♣♠3+3-6
+0.8Round 8🇩🇰 DENMARK201NT♣4=-1
+0.6Round 11🇷🇪 REUNION33NT♠Q-1+5
+0.6Round 12🇸🇲 SAN MARINO174♠♦2=+0
+0.3Round 14🇺🇸 USA283NT♠5=+1
+0.2Round 4🇮🇪 IRELAND195♣♥Q-1+2
+0.2Round 4🇮🇪 IRELAND254♥♠7+1-11
+0.2Round 4🇮🇪 IRELAND311♥♦6=-1
+0.2Round 7🇳🇱 NETHERLANDS14♥♠3+1+11
+0.2Round 11🇷🇪 REUNION15♣♥A=+2
+0.0Round 2🇮🇳 INDIA234♠♥4+2-13
-0.0Round 11🇷🇪 REUNION113♠♣A+1+1
+0.0Round 12🇸🇲 SAN MARINO295♦♥K=-2
+0.0Round 15🇳🇿 NEW ZEALAND81NT♠J-1-2
-0.2Round 4🇮🇪 IRELAND273♠♦A-2-7
-0.4Round 4🇮🇪 IRELAND283♠♦9=+0
-0.4Round 4🇮🇪 IRELAND305♦♥J-1-10
-0.4Round 7🇳🇱 NETHERLANDS23NT♠7+1+1
-0.4Round 8🇩🇰 DENMARK292♠♦5+1-11
-0.4Round 11🇷🇪 REUNION151NT♥5-3-2
-0.4Round 15🇳🇿 NEW ZEALAND93NT♠Q+1+1
-0.5Round 4🇮🇪 IRELAND292♠♦6+1-7
-0.5Round 8🇩🇰 DENMARK261NT♣J+2-1
-0.5Round 11🇷🇪 REUNION81NT♣3=-2
-0.5Round 15🇳🇿 NEW ZEALAND134♠♥4+2-13
-0.7Round 14🇺🇸 USA203♣♣4=+0
-0.8Round 4🇮🇪 IRELAND234♥♣4=+0
-0.8Round 15🇳🇿 NEW ZEALAND152♥♠8+1+0
-0.9Round 8🇩🇰 DENMARK192NT♠3=-7
-0.9Round 12🇸🇲 SAN MARINO225♠♠10+1-11
-0.9Round 15🇳🇿 NEW ZEALAND142♦♥7+2-7
-1.0Round 3🇨🇱 CHILE51NT♣6+1+10
-1.0Round 4🇮🇪 IRELAND204♥♠K+1+0
-1.2Round 7🇳🇱 NETHERLANDS113NT♠J+1+0
-1.3Round 11🇷🇪 REUNION62♣♠J+3+0
-1.3Round 12🇸🇲 SAN MARINO312♠♣4-1-12
-1.4Round 2🇮🇳 INDIA284♥♠9+2+14
-1.4Round 4🇮🇪 IRELAND181NT♥5=+0
-1.5Round 2🇮🇳 INDIA201NT♠K=+1
-1.5Round 12🇸🇲 SAN MARINO303NT♥6=+2
-1.6Round 2🇮🇳 INDIA193NT♣9+3-2
-1.6Round 2🇮🇳 INDIA275♣♠5=-9
-1.6Round 4🇮🇪 IRELAND322♥♣A-1+3
-1.8Round 3🇨🇱 CHILE83♣♣6+1+0
-2.1Round 12🇸🇲 SAN MARINO232♥♥5+2-8
-2.2Round 3🇨🇱 CHILE124♥♠8+1+0
-2.3Round 8🇩🇰 DENMARK221♠♥Q+3+1
-2.4Round 15🇳🇿 NEW ZEALAND54♥♠7=+1
-2.5Round 3🇨🇱 CHILE11NT♥J+2-6
-2.5Round 4🇮🇪 IRELAND213♠♣A+1-1
-2.5Round 8🇩🇰 DENMARK323NT♠10=+1
-3.1Round 11🇷🇪 REUNION53♥♦K+1-6
-3.2Round 3🇨🇱 CHILE22♥♣A=+0
-3.2Round 3🇨🇱 CHILE112♠♥5=+1
-3.2Round 11🇷🇪 REUNION74♥♣7+2-1
-3.2Round 11🇷🇪 REUNION102♠♦2-1-6
-3.3Round 11🇷🇪 REUNION44♥♦7=+0
-3.8Round 8🇩🇰 DENMARK243NT♥J=+1
-3.8Round 14🇺🇸 USA263NT♣8=+1
-4.0Round 15🇳🇿 NEW ZEALAND23NT♥4+1-1
-4.2Round 11🇷🇪 REUNION143NT♦4=-7
-4.4Round 2🇮🇳 INDIA305♦♠A-2-6
-4.5Round 3🇨🇱 CHILE153♠♥K=-7
-4.9Round 7🇳🇱 NETHERLANDS91♥♦10+2+6
-4.9Round 7🇳🇱 NETHERLANDS124♠♦K=+0
-5.4Round 7🇳🇱 NETHERLANDS84♥♦5+1-14
-5.5Round 3🇨🇱 CHILE102♦x♣J-1-13
-5.7Round 15🇳🇿 NEW ZEALAND65♦x♥4-4-4
-5.8Round 7🇳🇱 NETHERLANDS53NT♦Q+1-11
-5.9Round 15🇳🇿 NEW ZEALAND116♥♠A=-5
-6.3Round 2🇮🇳 INDIA323NT♦8=-13
-6.4Round 2🇮🇳 INDIA312♥♣J-4-7
-6.8Round 2🇮🇳 INDIA184♥♦9=-7
-6.9Round 14🇺🇸 USA214♦♥4+2-15
-7.1Round 7🇳🇱 NETHERLANDS164♥x♣Q-2-15
-7.1Round 14🇺🇸 USA324♣x♥K-3-8
-7.2Round 14🇺🇸 USA293NT♣7=-10
-8.2Round 12🇸🇲 SAN MARINO194♥♠9=+0
-8.3Round 12🇸🇲 SAN MARINO273NT♥2-1-11
-9.7Round 12🇸🇲 SAN MARINO254♥♣K-1-11
-10.1Round 14🇺🇸 USA243♠x♥J=-10
-10.2Round 14🇺🇸 USA236♥♠Q-1-13
-10.5Round 8🇩🇰 DENMARK314♠♦3-1-12
-11.7Round 14🇺🇸 USA314♠x♥7=-13
-11.8Round 8🇩🇰 DENMARK185♥x♣K-2-12
-14.8Round 8🇩🇰 DENMARK285♦♥3+2-17