🇭🇰 LEE Cathy Yi Ki · CHINA HONG KONG

53rank
-0.5Butler · 256 bds
-0.00per board
±4.7swing
-0.00vs par /bd · #59/97
+0.10adjusted /bd
Butler per round: -14 -8.8 33.2 3.2 15.1 7.6 -42.7 -31.4 6.4 0.5 -10.5 -25.1 14.3 42.5 11.9 -2.7by round

vs par split: bidding -0.31 · play +0.29

Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted +0.10/bd

Card play — on target: opening leads 86.8% #15 of 97 · declarer play 70.7% #55 of 97 · defence 86.1% #39 of 97

Card play by contract type — on target
vs NTvs a suit
Opening leads78.3% (23)91.1% (45)
Declarer play72.7% (11)70.2% (47)
Defence80.6% (31)87.7% (106)

Opening leads by suit led: ♠ 81.0% (21) · ♥ 86.4% (22) · ♦ 88.9% (9) · ♣ 93.8% (16)

vs par by strain: NT +0.47 (53) · a suit -0.14 (202)

vs par by level: part-score -0.73 (93) · game +0.16 (141) · slam +1.95 (21)

By role: declaring +0.13/bd (-2.65 vs par · 119) · defending -0.12/bd (+2.30 vs par · 137)

By vulnerability: vulnerable +0.06/bd (+0.11 vs par · 128) · not vulnerable -0.07/bd (-0.12 vs par · 128)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2S.LiK.Wenning – I.GromannClosed16-14.0-0.88-1.56
Round 3S.LiV.Burke-Moran – K.VaughanOpen16-8.8-0.55-0.25
Round 4S.LiF.Trabelsi – M.DaldoulClosed16+33.2+2.08+2.25
Round 5S.LiC.Gibbons – J.GibbonsOpen16+3.2+0.20+1.56
Round 6S.LiL.Cuevas – A.LavinClosed16+15.1+0.94+2.25
Round 7S.LiC.Ferlazzo – G.ManaraOpen16+7.6+0.47+0.38
Round 8S.LiK.Sanborn – L.DeasClosed16-42.7-2.67-4.25
Round 9S.LiS.Punch – P.LeslieOpen16-31.4-1.96-2.75
Round 10S.LiN.Banerji – A.JainClosed16+6.4+0.40+1.00
Round 11S.LiH.Asfour – M.AlghussainOpen16+0.5+0.03+0.12
Round 12S.LiS.Buus Thomsen – B.HoumollerClosed16-10.5-0.66+1.69
Round 13S.LiC.Baldysz – G.BusseOpen16-25.1-1.57-3.75
Round 14S.LiS.Willard – B.CronierClosed16+14.3+0.89+1.19
Round 15S.LiS.Palsdottir – A.JonsdottirOpen16+42.5+2.66+2.44
Round 16S.LiS.Blank – L.ThomsonClosed16+11.9+0.74-0.06
Round 17S.LiP.Liu – Y.LinClosed16-2.7-0.17-0.31

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
+13.5Round 15🇮🇸 ICELAND66♥♣6-2+17
+12.2Round 7🇮🇹 ITALY137♦♥5=-2
+11.5Round 14🇫🇷 FRANCE324♠♥3-1+13
+11.0Round 6🇨🇱 CHILE306♥♥3-1+11
+10.5Round 4🇹🇳 TUNISIA293♦x♥Q=+11
+10.0Round 4🇹🇳 TUNISIA235♠♥A-1+12
+9.4Round 15🇮🇸 ICELAND74♠♥4=+13
+9.3Round 5🇳🇿 NEW ZEALAND157♥♦7=+0
+8.8Round 4🇹🇳 TUNISIA204♥♦7-1+12
+8.7Round 15🇮🇸 ICELAND56♠♥6=+12
+8.6Round 15🇮🇸 ICELAND34♥♣2=+0
+8.0Round 11🇵🇸 PALESTINE65♦♣10-1+12
+7.9Round 17🇹🇼 CHINESE TAIPEI27♠♣J-2+17
+7.7Round 14🇫🇷 FRANCE226♠♣6-1+6
+7.7Round 15🇮🇸 ICELAND113NT♣9-1+10
+7.5Round 16🇨🇦 CANADA263NT♣Q+1+1
+7.3Round 12🇩🇰 DENMARK184♥♥7-1+11
+7.1Round 10🇮🇳 INDIA294♥♠A=+15
+7.1Round 13🇵🇱 POLAND63NT♠5-1+12
+6.8Round 13🇵🇱 POLAND16♠♠3=-10
+6.3Round 4🇹🇳 TUNISIA215♥♥2-1+10
+6.3Round 6🇨🇱 CHILE196♦♠K=+0
+6.2Round 5🇳🇿 NEW ZEALAND94♠♦3=+0
+6.1Round 6🇨🇱 CHILE244♠♥J-1+13
+6.0Round 2🇩🇪 GERMANY234♠♠J=+0
+6.0Round 4🇹🇳 TUNISIA226♥♠10-1+14
+6.0Round 10🇮🇳 INDIA323NT♠5=+7
+6.0Round 16🇨🇦 CANADA233♣♠K-2+8
+5.9Round 7🇮🇹 ITALY54♠♥7+2+11
+5.9Round 11🇵🇸 PALESTINE42♣♥3+1+11
+5.9Round 12🇩🇰 DENMARK214♥♣A=+11
+5.7Round 8🇺🇸 USA213NT♦10=+0
+5.5Round 15🇮🇸 ICELAND163♥♣2-1+5
+5.2Round 16🇨🇦 CANADA192♣♥9-2+7
+5.1Round 16🇨🇦 CANADA324♥♠Q=+0
+5.0Round 12🇩🇰 DENMARK234♥♠6-1+6
+4.9Round 6🇨🇱 CHILE272NT♦10=+6
+4.8Round 7🇮🇹 ITALY124♠♥4+2+11
+4.7Round 12🇩🇰 DENMARK176♥♦2-1+8
+4.6Round 11🇵🇸 PALESTINE144♠♦7-1+10
+4.6Round 17🇹🇼 CHINESE TAIPEI95♠♥10-2+11
+4.3Round 10🇮🇳 INDIA214♠♦A+1+0
+4.1Round 6🇨🇱 CHILE182♠♥10=+0
+4.1Round 6🇨🇱 CHILE316♥♥3=-7
+4.0Round 4🇹🇳 TUNISIA175♣♠A-2+5
+4.0Round 14🇫🇷 FRANCE214♠♦5-1+5
+3.9Round 2🇩🇪 GERMANY184♥♠4=+3
+3.9Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND152♥♣3=+0
+3.8Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND123NT♦4=+0
+3.7Round 2🇩🇪 GERMANY322♥♣7-1+5
+3.7Round 3🇮🇪 IRELAND134♠♦K-1+6
+3.7Round 10🇮🇳 INDIA235♠♥A=-10
+3.7Round 15🇮🇸 ICELAND14♠♥J+1+1
+3.6Round 7🇮🇹 ITALY116♦♠5=-2
+3.5Round 2🇩🇪 GERMANY273NT♥8-1+10
+3.5Round 6🇨🇱 CHILE174♥♠5-1+10
+3.5Round 7🇮🇹 ITALY42♠♣J-1+5
+3.5Round 14🇫🇷 FRANCE243NT♦5+1+1
+3.3Round 3🇮🇪 IRELAND42♥♠J-1+6
+3.3Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND82NT♥5-1+5
+3.2Round 10🇮🇳 INDIA264♠♥5=+0
+3.1Round 6🇨🇱 CHILE203♦♠7+1+0
+3.1Round 15🇮🇸 ICELAND23NT♥3+1+1
+3.0Round 3🇮🇪 IRELAND73NT♣3=+0
+3.0Round 11🇵🇸 PALESTINE104♠♣J-3+9
+2.9Round 13🇵🇱 POLAND92♥♠A+1+1
+2.8Round 4🇹🇳 TUNISIA254♥♦8-1+0
+2.7Round 5🇳🇿 NEW ZEALAND53NT♠7-1+5
+2.7Round 17🇹🇼 CHINESE TAIPEI162♥♦7-2+3
+2.6Round 3🇮🇪 IRELAND63NT♠5=+0
+2.6Round 12🇩🇰 DENMARK274♥♦2+2+2
+2.6Round 17🇹🇼 CHINESE TAIPEI105♦♥7=-1
+2.5Round 2🇩🇪 GERMANY311NT♣Q-1+5
+2.4Round 3🇮🇪 IRELAND54♠♥10=+8
+2.3Round 16🇨🇦 CANADA312NT♦6=+1
+2.2Round 7🇮🇹 ITALY94♠♣4-1-1
+2.2Round 10🇮🇳 INDIA194♠♠10+1+13
+2.2Round 14🇫🇷 FRANCE291NT♥3=-1
+2.1Round 11🇵🇸 PALESTINE52♦♦J+1-1
+2.1Round 13🇵🇱 POLAND43♠♥5-1+5
+2.0Round 4🇹🇳 TUNISIA264♠♠3+1+0
+1.9Round 6🇨🇱 CHILE281NT♥6+2+1
+1.9Round 17🇹🇼 CHINESE TAIPEI153♠♦Q=-10
+1.8Round 16🇨🇦 CANADA183♠♣K-2+5
+1.8Round 16🇨🇦 CANADA253NT♦3=-1
+1.7Round 15🇮🇸 ICELAND153♠♣K=+0
+1.6Round 7🇮🇹 ITALY35♦♦4=-2
+1.3Round 7🇮🇹 ITALY72♠♥K-1-1
+1.3Round 8🇺🇸 USA184♥♠10+2-3
+1.3Round 8🇺🇸 USA274♥♠4=-11
+1.3Round 14🇫🇷 FRANCE303♥♠3-1-2
+1.2Round 2🇩🇪 GERMANY252♠♥4-2+15
+1.2Round 3🇮🇪 IRELAND11Pass+3
+1.1Round 4🇹🇳 TUNISIA284♠♣3+1+0
+1.1Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND73NT♠3+1+0
+1.1Round 10🇮🇳 INDIA283♥♣A-1-2
+1.1Round 14🇫🇷 FRANCE192♣♦2+2+0
+1.0Round 16🇨🇦 CANADA205♦♠A-1+6
+1.0Round 17🇹🇼 CHINESE TAIPEI51♠♥A+1-1
+0.8Round 7🇮🇹 ITALY153♦♥6+1+7
+0.8Round 11🇵🇸 PALESTINE163♠♦A+2+2
+0.8Round 12🇩🇰 DENMARK284♦♥K=+1
+0.7Round 3🇮🇪 IRELAND94♠♦5=-1
+0.7Round 8🇺🇸 USA174♥♣A+1+0
+0.7Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND65♣♠2+1-11
+0.7Round 13🇵🇱 POLAND134♠♦6+2-12
+0.6Round 14🇫🇷 FRANCE252♠♣7=+0
+0.5Round 5🇳🇿 NEW ZEALAND24♥♣J+1+0
+0.5Round 5🇳🇿 NEW ZEALAND144♠♥8+2+11
+0.5Round 10🇮🇳 INDIA273♥♠4-1-6
+0.5Round 16🇨🇦 CANADA282♠♥J+1+0
+0.4Round 11🇵🇸 PALESTINE92♠♠8-1-1
+0.4Round 12🇩🇰 DENMARK241NT♦2=+1
+0.4Round 14🇫🇷 FRANCE314♠♦A=+8
+0.3Round 10🇮🇳 INDIA314♥♦2-1+7
+0.3Round 11🇵🇸 PALESTINE74♥♠9=+0
+0.3Round 11🇵🇸 PALESTINE114♣♦A+1+6
+0.2Round 5🇳🇿 NEW ZEALAND133NT♦2+1-1
+0.2Round 8🇺🇸 USA224♥♦9+1+1
+0.1Round 2🇩🇪 GERMANY264♠♠4+2-13
+0.1Round 4🇹🇳 TUNISIA314♠♣A=-1
+0.1Round 5🇳🇿 NEW ZEALAND64♠♦J=-1
+0.1Round 10🇮🇳 INDIA224♠♣J+1+13
+0.1Round 14🇫🇷 FRANCE184♠♦K=+0
+0.1Round 16🇨🇦 CANADA213♦♣7=-1
-0.1Round 13🇵🇱 POLAND74♠♣2+1+0
-0.2Round 8🇺🇸 USA203NT♥3=+0
-0.2Round 17🇹🇼 CHINESE TAIPEI14♠♣10=-1
-0.3Round 6🇨🇱 CHILE212NT♠4-1-1
-0.3Round 17🇹🇼 CHINESE TAIPEI114NT♥K-1-2
-0.4Round 11🇵🇸 PALESTINE24♠♠5+1+0
-0.5Round 5🇳🇿 NEW ZEALAND43♥♠3-1+0
-0.5Round 5🇳🇿 NEW ZEALAND122♥♥3+2+6
-0.5Round 6🇨🇱 CHILE254♥♦7=-1
-0.5Round 7🇮🇹 ITALY13NT♠J=+1
-0.5Round 10🇮🇳 INDIA253NT♠2=+0
-0.5Round 15🇮🇸 ICELAND91♠♣Q-1-1
-0.5Round 17🇹🇼 CHINESE TAIPEI84♠♥K+1+0
-0.6Round 2🇩🇪 GERMANY303NT♥8=+0
-0.6Round 5🇳🇿 NEW ZEALAND162♠♦5=-7
-0.6Round 6🇨🇱 CHILE223NT♠4=+0
-0.6Round 7🇮🇹 ITALY104♠♥8=+1
-0.6Round 13🇵🇱 POLAND103NT♥6=+1
-0.6Round 13🇵🇱 POLAND114♠♣Q+2-1
-0.6Round 16🇨🇦 CANADA172♠♣K-1-4
-0.7Round 3🇮🇪 IRELAND32♥♦7+1+0
-0.7Round 3🇮🇪 IRELAND83♣♥K+1-7
-0.7Round 7🇮🇹 ITALY143♦♠A-2+1
-0.7Round 14🇫🇷 FRANCE282♠♣K+2+6
-0.8Round 4🇹🇳 TUNISIA182♥♣5+2-10
-0.8Round 4🇹🇳 TUNISIA324♠♣4+1+0
-0.8Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND54♠♣J=+0
-0.9Round 3🇮🇪 IRELAND166♥♦8=+0
-0.9Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND116♦♠8+1-1
-0.9Round 10🇮🇳 INDIA205♣♦5=-2
-0.9Round 10🇮🇳 INDIA301NT♥7=-2
-0.9Round 14🇫🇷 FRANCE235♥♦Q=+0
-0.9Round 15🇮🇸 ICELAND121NT♥9+1+0
-1.0Round 11🇵🇸 PALESTINE34♥♥10-2+9
-1.1Round 2🇩🇪 GERMANY242♠♣8=-5
-1.1Round 5🇳🇿 NEW ZEALAND73NT♦4+4+12
-1.1Round 17🇹🇼 CHINESE TAIPEI43NT♣10+2-13
-1.2Round 5🇳🇿 NEW ZEALAND104♥♠A=+1
-1.2Round 11🇵🇸 PALESTINE133♣♦K+1-10
-1.2Round 14🇫🇷 FRANCE173NT♣10+1+0
-1.2Round 15🇮🇸 ICELAND142♥♣A-1-4
-1.3Round 3🇮🇪 IRELAND12♠♣K+1-1
-1.3Round 13🇵🇱 POLAND122♠♥10=+0
-1.3Round 15🇮🇸 ICELAND83♥x♠9-2-4
-1.4Round 3🇮🇪 IRELAND101NT♦4-1+0
-1.4Round 5🇳🇿 NEW ZEALAND114♠♣7=+0
-1.4Round 6🇨🇱 CHILE323NT♠10=+2
-1.4Round 8🇺🇸 USA294♥♦A-2-7
-1.5Round 4🇹🇳 TUNISIA242♥♦A=-1
-1.5Round 5🇳🇿 NEW ZEALAND33NT♠7+1+0
-1.5Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND24♠♦8+1+0
-1.5Round 16🇨🇦 CANADA271NT♠6+2+6
-1.5Round 17🇹🇼 CHINESE TAIPEI31NT♥J=+11
-1.6Round 8🇺🇸 USA233♣♣2=+1
-1.7Round 2🇩🇪 GERMANY224♠♥5-2-11
-1.7Round 4🇹🇳 TUNISIA302♠♥6=-5
-1.7Round 7🇮🇹 ITALY167NT♠10=+0
-1.7Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND163♦♥A-1-4
-1.7Round 12🇩🇰 DENMARK194♥♠A+1-4
-1.7Round 12🇩🇰 DENMARK313♥♠7-1+5
-1.8Round 17🇹🇼 CHINESE TAIPEI63♣♠3-1+2
-1.9Round 12🇩🇰 DENMARK294♥♦Q+1+13
-1.9Round 15🇮🇸 ICELAND103♥♣K=+0
-1.9Round 16🇨🇦 CANADA224♥♣6-1-5
-1.9Round 16🇨🇦 CANADA292♣♥A+2-1
-2.2Round 12🇩🇰 DENMARK252♣♥3-1-4
-2.3Round 13🇵🇱 POLAND33♦♣K+1-1
-2.3Round 17🇹🇼 CHINESE TAIPEI74♠♦J+1-13
-2.5Round 8🇺🇸 USA304♥♦Q-1-5
-2.6Round 8🇺🇸 USA192♠♥Q+1+0
-2.7Round 2🇩🇪 GERMANY212♠♦Q+2-7
-2.7Round 13🇵🇱 POLAND162♠♣A-1-5
-2.8Round 5🇳🇿 NEW ZEALAND82♠♠Q+1-1
-2.8Round 12🇩🇰 DENMARK304♠♣2+2-14
-2.9Round 10🇮🇳 INDIA175♣♥A=+0
-2.9Round 16🇨🇦 CANADA242♥♣7=-11
-3.0Round 2🇩🇪 GERMANY204♦♠10=+0
-3.0Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND33♦♠3=+0
-3.0Round 11🇵🇸 PALESTINE13NT♦5-2-11
-3.1Round 14🇫🇷 FRANCE275♦♠3=-11
-3.1Round 17🇹🇼 CHINESE TAIPEI124♠♣7+1-1
-3.2Round 12🇩🇰 DENMARK203♠♥J=+0
-3.4Round 11🇵🇸 PALESTINE152♣♥A+2-11
-3.6Round 4🇹🇳 TUNISIA193♠♠3=-1
-3.7Round 11🇵🇸 PALESTINE82♠♣2-1-10
-3.9Round 8🇺🇸 USA254♥♣8-1-5
-4.0Round 12🇩🇰 DENMARK323NT♠4+1-1
-4.0Round 13🇵🇱 POLAND86♦♦6+1+4
-4.0Round 13🇵🇱 POLAND145♥x♦K-1-9
-4.1Round 3🇮🇪 IRELAND143♠♦A=-10
-4.2Round 2🇩🇪 GERMANY291NT♠3-2-3
-4.2Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND92♥♣8=-6
-4.5Round 3🇮🇪 IRELAND23♥♦4=+0
-4.5Round 17🇹🇼 CHINESE TAIPEI135♦♠K-2-7
-4.7Round 8🇺🇸 USA314♥♠3-1-6
-4.7Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND103NT♠4+1-1
-5.1Round 15🇮🇸 ICELAND43♦♦4-1-6
-5.5Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND14♠♠7+1-1
-5.7Round 2🇩🇪 GERMANY174♠♥Q+2-11
-5.7Round 3🇮🇪 IRELAND153♦♠10=-9
-5.7Round 7🇮🇹 ITALY64♥♦A=+0
-5.7Round 14🇫🇷 FRANCE264♠♥2-1-6
-6.4Round 3🇮🇪 IRELAND123NT♥5=+1
-6.5Round 14🇫🇷 FRANCE203NT♠Q=+0
-6.6Round 2🇩🇪 GERMANY195♦♠10=-3
-6.7Round 5🇳🇿 NEW ZEALAND13NT♦8=+0
-7.0Round 6🇨🇱 CHILE296♦♥2=+2
-7.0Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND44♠♦7-3-10
-7.4Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND134♥♣2+1-1
-7.5Round 9🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND144♠♣K+3-14
-7.5Round 10🇮🇳 INDIA184♠♦2+1-11
-7.6Round 12🇩🇰 DENMARK265♥x♣3-1-2
-7.8Round 8🇺🇸 USA286♦♥4+1+2
-8.1Round 17🇹🇼 CHINESE TAIPEI144♠♥4=+0
-8.2Round 8🇺🇸 USA243NT♣3-3-11
-8.5Round 8🇺🇸 USA323NT♠Q-2-11
-8.5Round 15🇮🇸 ICELAND134♥x♣K-3-5
-9.2Round 13🇵🇱 POLAND25♠♥2-1-13
-9.3Round 2🇩🇪 GERMANY282♥♦Q+2-10
-9.4Round 10🇮🇳 INDIA243NT♠8=-6
-9.5Round 7🇮🇹 ITALY84♥♠3=-11
-9.5Round 13🇵🇱 POLAND56♦♠J-2-17
-9.6Round 6🇨🇱 CHILE233NT♥8=+0
-9.6Round 7🇮🇹 ITALY22♣x♥Q-2-12
-10.0Round 4🇹🇳 TUNISIA273NT♣A-3-10
-10.4Round 13🇵🇱 POLAND153♠♥Q+1-15
-10.5Round 6🇨🇱 CHILE264♥♠Q=+0
-10.5Round 8🇺🇸 USA262♠♥A+1-13
-10.6Round 16🇨🇦 CANADA304♥♣7=-12
-12.1Round 12🇩🇰 DENMARK225♦x♥2=-6
-12.2Round 11🇵🇸 PALESTINE126♥♥8-1-13