🇨🇦 CHEN Lisa · CANADA

115rank
-105.6Butler · 224 bds
-0.47per board
±3.8swing
-0.10vs par /bd · #85/141
-0.37adjusted /bd
Butler per round: -6.5 -20.5 2.6 18.6 -3.3 40.4 -11.3 -9.6 -5.3 -19.6 -15.5 -17.3 -17 -8.7 -21.6 -11by round

vs par split: bidding +0.24 · play -0.34

Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted -0.37/bd

Card play — on target: opening leads 80.4% #71 of 141 · declarer play 67.2% #121 of 141 · defence 79.4% #125 of 141

Bidding activity — not a pass: 38.5% #126 of 141 (240/624)

Card play by contract type — on target
vs NTvs a suit
Opening leads64.7% (17)87.2% (39)
Declarer play60.0% (10)68.6% (51)
Defence72.0% (25)81.8% (77)

Opening leads by suit led: ♠ 83.3% (12) · ♥ 69.2% (13) · ♦ 85.7% (14) · ♣ 82.4% (17)

vs par by strain: NT +1.22 (50) · a suit -0.48 (174)

vs par by level: part-score -1.57 (79) · game +0.78 (136) · slam -0.56 (9)

By role: declaring -0.54/bd (-2.77 vs par · 122) · defending -0.39/bd (+3.09 vs par · 102)

By vulnerability: vulnerable -0.27/bd (+0.03 vs par · 112) · not vulnerable -0.67/bd (-0.23 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.ChenC.Pomares Y De Morant – C.GolinOpen14-6.5-0.46-1.86
Round 3Y.ChenD.Bilde – A.Buus ThomsenClosed14-20.5-1.46-2.00
Round 4Y.ChenP.Batra – A.SharmaClosed14+2.6+0.19-0.64
Round 7Y.ChenB.Oigarden – L.GrudeClosed14+18.6+1.33+2.57
Round 8Y.ChenA.Biondillo – L.DoriaOpen14-3.3-0.24-1.43
Round 9Y.ChenS.Csipka – O.HegedusOpen14+40.4+2.89+4.43
Round 11Y.ChenL.Hallqvist – Y.JohanssonClosed14-11.3-0.81+1.50
Round 12Y.ChenM.Bruijnsteen – D.Van DelftClosed14-9.6-0.69-1.50
Round 13Y.ChenV.Armstrong – C.StantonClosed14-5.3-0.38+0.86
Round 14Y.ChenA.Acar – B.ErkanOpen14-19.6-1.40-0.93
Round 16Y.ChenJ.Meyers – K.SanbornClosed14-15.5-1.11+1.43
Round 18Y.ChenA.Sarniak – J.ZalewskaClosed14-17.3-1.24-0.64
Round 19Y.ChenP.Chan – S.TungClosed14-17.0-1.21-0.07
Round 21Y.ChenF.Brown – H.ErichsenOpen14-8.7-0.62-3.43
Round 22Y.ChenZ.Liao – J.WangOpen14-21.6-1.54-0.57
Round 23Y.ChenC.Gibbons – J.GibbonsOpen14-11.0-0.79+0.64

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
+10.5Round 9🇭🇺 HUNGARY65♠♥Q-1+12
+10.3Round 8🇧🇷 BRAZIL173NT♠K=+11
+10.1Round 9🇭🇺 HUNGARY73NT♦2-2+13
+8.8Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND96♥♦K=+0
+8.7Round 7🇳🇴 NORWAY134♠♦3=+3
+7.0Round 9🇭🇺 HUNGARY95♥♦K-2+7
+7.0Round 18🇵🇱 POLAND184♣♥K-2+8
+6.7Round 4🇮🇳 INDIA254♥♣9=+3
+6.7Round 16🇺🇸 USA2284♠♥A-2+9
+6.4Round 23🇳🇿 NEW ZEALAND133NT♣2-2+8
+5.8Round 22🇨🇳 CHINA285♣♥K-2+8
+5.7Round 9🇭🇺 HUNGARY33NT♣2-1+12
+5.4Round 11🇸🇪 SWEDEN123NT♦K-2+13
+5.3Round 7🇳🇴 NORWAY123♣♥T+1+1
+5.3Round 7🇳🇴 NORWAY144♥♦5+1+8
+5.1Round 9🇭🇺 HUNGARY15♣♦4=-2
+5.0Round 7🇳🇴 NORWAY94♥♠J-1+12
+5.0Round 19🇭🇰 HONG KONG CHINA64♠♦K=+8
+4.8Round 9🇭🇺 HUNGARY25♠x♥K-1+0
+4.7Round 4🇮🇳 INDIA203♠♣A=+6
+4.7Round 7🇳🇴 NORWAY24♥♦2+2+14
+4.7Round 11🇸🇪 SWEDEN134♠♥K-1+6
+4.4Round 12🇳🇱 NETHERLANDS284♦♥6=+0
+4.3Round 4🇮🇳 INDIA155♦x♥A-2+12
+4.2Round 4🇮🇳 INDIA193♠♣J=+0
+4.1Round 8🇧🇷 BRAZIL203♦♠T-2+7
+4.0Round 3🇩🇰 DENMARK33NT♥Q+1+1
+3.8Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND43♣♠6+1-10
+3.7Round 1🇮🇹 ITALY63♥♠Q=+1
+3.7Round 13🇿🇦 SOUTH AFRICA113♦♣A+3+13
+3.5Round 13🇿🇦 SOUTH AFRICA132♣♠J+3-14
+3.5Round 13🇿🇦 SOUTH AFRICA144NT♦4+3+14
+3.5Round 14🇹🇷 TURKIYE173NT♦2-2+0
+3.5Round 18🇵🇱 POLAND233♠♣7=+0
+3.5Round 22🇨🇳 CHINA264♥♦K=+3
+3.4Round 19🇭🇰 HONG KONG CHINA13♥♥3+1+6
+2.8Round 16🇺🇸 USA2204♥♣9+2+13
+2.6Round 12🇳🇱 NETHERLANDS262♠♣Q+1+1
+2.4Round 1🇮🇹 ITALY25♦♥Q=+0
+2.1Round 9🇭🇺 HUNGARY83♥♥9=+1
+2.0Round 1🇮🇹 ITALY124♠♦J=+0
+2.0Round 18🇵🇱 POLAND205♦♠T-1+9
+2.0Round 22🇨🇳 CHINA164♣♥J+1-10
+1.9Round 3🇩🇰 DENMARK142♠♣3+2-6
+1.9Round 7🇳🇴 NORWAY103NT♣3=+0
+1.9Round 12🇳🇱 NETHERLANDS164♠♥K=-1
+1.9Round 12🇳🇱 NETHERLANDS194♠♥A=+3
+1.8Round 13🇿🇦 SOUTH AFRICA94♠♣4-2+11
+1.7Round 9🇭🇺 HUNGARY104♠♣K-3+3
+1.7Round 11🇸🇪 SWEDEN34♠x♣Q-1+11
+1.7Round 11🇸🇪 SWEDEN64♥♣7-1+5
+1.7Round 16🇺🇸 USA2263NT♠7=+10
+1.6Round 14🇹🇷 TURKIYE194♥♠9+1+0
+1.4Round 13🇿🇦 SOUTH AFRICA124♥♣A=+3
+1.3Round 1🇮🇹 ITALY54♠♠5+1+0
+1.3Round 3🇩🇰 DENMARK83NT♥T=+0
+1.3Round 11🇸🇪 SWEDEN52♣♠T+1-1
+1.3Round 12🇳🇱 NETHERLANDS274♥♠Q+1-11
+1.2Round 16🇺🇸 USA2212♠♥4=-1
+1.1Round 4🇮🇳 INDIA234♠♣2=+13
+1.1Round 7🇳🇴 NORWAY45♠♠2=+13
+1.0Round 8🇧🇷 BRAZIL263♦♣Q=+1
+1.0Round 12🇳🇱 NETHERLANDS233♥♦T+1+1
+1.0Round 18🇵🇱 POLAND154♥♣6+1+0
+1.0Round 19🇭🇰 HONG KONG CHINA53♠♣T-1+0
+1.0Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND62♠♦4+2-8
+0.9Round 3🇩🇰 DENMARK44♥♦T+1+0
+0.9Round 4🇮🇳 INDIA272♥♦Q-1-6
+0.9Round 12🇳🇱 NETHERLANDS174♠♥Q=+1
+0.9Round 18🇵🇱 POLAND223NT♥J+1+0
+0.9Round 23🇳🇿 NEW ZEALAND33NT♥7+2+1
+0.8Round 9🇭🇺 HUNGARY141♥x♦7-1+8
+0.8Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND75♥♠K=+4
+0.7Round 1🇮🇹 ITALY113NT♣2+2+1
+0.7Round 23🇳🇿 NEW ZEALAND44♥♦6=+1
+0.7Round 23🇳🇿 NEW ZEALAND52♠♥6+2-4
+0.6Round 7🇳🇴 NORWAY33NT♥5+1-1
+0.6Round 8🇧🇷 BRAZIL234♠♣5+1+0
+0.5Round 9🇭🇺 HUNGARY54♥♠K+2+11
+0.5Round 22🇨🇳 CHINA241NT♦2=+5
+0.4Round 1🇮🇹 ITALY35♦♠A+1-10
+0.4Round 1🇮🇹 ITALY94♥♦K+2+11
+0.4Round 8🇧🇷 BRAZIL194♠♣3+1+0
+0.4Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53♦♠K=+0
+0.4Round 22🇨🇳 CHINA154♥♦3+1+0
+0.3Round 4🇮🇳 INDIA184♥♠T+1-11
+0.3Round 11🇸🇪 SWEDEN103♥♣5+3+15
+0.3Round 14🇹🇷 TURKIYE203NT♠3+1+4
+0.3Round 16🇺🇸 USA2184♥♠T-1-5
+0.3Round 23🇳🇿 NEW ZEALAND24♠♥T-3+2
+0.2Round 12🇳🇱 NETHERLANDS224♠♥J=+1
+0.2Round 13🇿🇦 SOUTH AFRICA63♣♥4-3+0
+0.2Round 23🇳🇿 NEW ZEALAND71NT♥3+1+1
+0.1Round 7🇳🇴 NORWAY12NT♦K-2+0
+0.1Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND21NT♣4-3+10
+0.1Round 23🇳🇿 NEW ZEALAND84♥♠A+1+0
-0.0Round 1🇮🇹 ITALY104♥♦4=+0
-0.0Round 8🇧🇷 BRAZIL252♠♦K-2-1
+0.0Round 13🇿🇦 SOUTH AFRICA73NT♠4+2+0
-0.0Round 14🇹🇷 TURKIYE153NT♠7+1+0
-0.1Round 11🇸🇪 SWEDEN83♥♣5-1+3
-0.1Round 14🇹🇷 TURKIYE161NT♥A+1+0
-0.1Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND143♥♣K+1-6
-0.2Round 3🇩🇰 DENMARK113♦♠K+2-6
-0.2Round 3🇩🇰 DENMARK123♠♣T=+7
-0.3Round 13🇿🇦 SOUTH AFRICA23NT♥3+1+0
-0.3Round 18🇵🇱 POLAND285♥♦A=+0
-0.3Round 19🇭🇰 HONG KONG CHINA23NT♥6+1+0
-0.3Round 19🇭🇰 HONG KONG CHINA112♥♠2+2-1
-0.4Round 7🇳🇴 NORWAY82♥♥6-1-2
-0.4Round 7🇳🇴 NORWAY113♠♥K-1+4
-0.4Round 8🇧🇷 BRAZIL272♥♦8+1-7
-0.4Round 13🇿🇦 SOUTH AFRICA56♠♦7=+0
-0.4Round 14🇹🇷 TURKIYE253♣♦9=+1
-0.5Round 3🇩🇰 DENMARK53NT♣6+1-1
-0.5Round 4🇮🇳 INDIA243♠♦J=+0
-0.5Round 12🇳🇱 NETHERLANDS204♠♥K+1+13
-0.6Round 8🇧🇷 BRAZIL183♦♥A=-1
-0.6Round 13🇿🇦 SOUTH AFRICA102♥♥2+3-7
-0.6Round 14🇹🇷 TURKIYE233NT♣7+1-1
-0.6Round 16🇺🇸 USA2154♥♥6-1-1
-0.6Round 18🇵🇱 POLAND244♥♠K-2-5
-0.6Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND134♠♥Q+1+0
-0.7Round 9🇭🇺 HUNGARY133NT♦4+1+1
-0.7Round 11🇸🇪 SWEDEN144♦♠2+1-4
-0.7Round 13🇿🇦 SOUTH AFRICA13NT♠J-1+4
-0.7Round 19🇭🇰 HONG KONG CHINA73♦♣K+1+10
-0.7Round 22🇨🇳 CHINA193♣♣4-1-2
-0.8Round 3🇩🇰 DENMARK104♥♠4+2-13
-0.8Round 4🇮🇳 INDIA163NT♥8+1-1
-0.8Round 4🇮🇳 INDIA173NT♠4+2+0
-0.8Round 16🇺🇸 USA2163♣♦K=+0
-0.8Round 16🇺🇸 USA2234♥♣J+2+13
-0.8Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND114♠♦T+2-1
-0.8Round 22🇨🇳 CHINA214♠♥Q+1+0
-0.9Round 23🇳🇿 NEW ZEALAND13NT♠3+3+10
-1.0Round 8🇧🇷 BRAZIL214♠♥A+1+0
-1.0Round 8🇧🇷 BRAZIL243♥♦A-1-4
-1.0Round 19🇭🇰 HONG KONG CHINA93♠♦K-1-12
-1.0Round 19🇭🇰 HONG KONG CHINA125♣♠7+1+10
-1.1Round 22🇨🇳 CHINA254♥♣Q+1+0
-1.2Round 11🇸🇪 SWEDEN43NT♥J=-3
-1.2Round 11🇸🇪 SWEDEN72♣♥3+3+0
-1.2Round 14🇹🇷 TURKIYE214♠♣6=+0
-1.3Round 7🇳🇴 NORWAY71NT♠3+2-1
-1.3Round 12🇳🇱 NETHERLANDS253NT♥3+2+0
-1.4Round 3🇩🇰 DENMARK93♥♣T-1+2
-1.4Round 19🇭🇰 HONG KONG CHINA84♥♦2-1+2
-1.5Round 14🇹🇷 TURKIYE272NT♠K-3+0
-1.5Round 16🇺🇸 USA2245♦♥T-1+5
-1.5Round 19🇭🇰 HONG KONG CHINA135♠♣6+1-1
-1.7Round 9🇭🇺 HUNGARY41♠♣3=-5
-1.8Round 8🇧🇷 BRAZIL223NT♠J+2-1
-1.8Round 23🇳🇿 NEW ZEALAND115♦x♥A-3+7
-1.9Round 9🇭🇺 HUNGARY113NT♦7+1+1
-2.0Round 23🇳🇿 NEW ZEALAND125♥♦5=+14
-2.1Round 13🇿🇦 SOUTH AFRICA34♥♣J+1+0
-2.2Round 1🇮🇹 ITALY43♦♠3-1-6
-2.2Round 1🇮🇹 ITALY72♠♦A+2-10
-2.2Round 19🇭🇰 HONG KONG CHINA33♠♣8=-10
-2.3Round 4🇮🇳 INDIA213♣♦A+1+0
-2.3Round 16🇺🇸 USA2171♥♠5+3-6
-2.5Round 11🇸🇪 SWEDEN91NT♦3+2-1
-2.7Round 1🇮🇹 ITALY143NT♣2+3-2
-2.7Round 11🇸🇪 SWEDEN13NT♣8-2-11
-2.7Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123♥♦K=+0
-2.7Round 23🇳🇿 NEW ZEALAND62♣♦Q=+0
-2.8Round 12🇳🇱 NETHERLANDS183♣♠3+3-6
-2.9Round 14🇹🇷 TURKIYE241NT♦9-1-5
-2.9Round 18🇵🇱 POLAND276♠x♦K-2-5
-2.9Round 19🇭🇰 HONG KONG CHINA104♠♥K+2-17
-3.0Round 1🇮🇹 ITALY83NT♥2+1+0
-3.0Round 7🇳🇴 NORWAY63♠x♣5-2-5
-3.0Round 22🇨🇳 CHINA224♠♥K-2+6
-3.1Round 4🇮🇳 INDIA264♥♦K+1-10
-3.2Round 3🇩🇰 DENMARK23NT♣6-1-6
-3.2Round 12🇳🇱 NETHERLANDS246♥♣K+1-11
-3.2Round 18🇵🇱 POLAND162♣♠2+2-6
-3.2Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♠♥8-1-12
-3.3Round 13🇿🇦 SOUTH AFRICA44♥♣T+1+0
-3.3Round 16🇺🇸 USA2225♦x♣K=-4
-3.4Round 1🇮🇹 ITALY131NT♥3+2-7
-3.5Round 18🇵🇱 POLAND214♥♥4+1-4
-3.6Round 8🇧🇷 BRAZIL154♠♣K+1-8
-3.6Round 9🇭🇺 HUNGARY124♠♣J=+0
-3.6Round 12🇳🇱 NETHERLANDS213♥♠6=+0
-3.6Round 14🇹🇷 TURKIYE184♥♠9=+0
-3.8Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♥♥J-2-6
-3.9Round 1🇮🇹 ITALY14♥♣A-1-4
-4.0Round 8🇧🇷 BRAZIL282♠♠4-1-4
-4.0Round 23🇳🇿 NEW ZEALAND104♠♣7-3-9
-4.2Round 23🇳🇿 NEW ZEALAND96NT♣K-2-11
-4.3Round 14🇹🇷 TURKIYE264♠♥T=+0
-4.3Round 22🇨🇳 CHINA233♠♥6=+0
-4.4Round 3🇩🇰 DENMARK63NT♦5+1+12
-4.4Round 16🇺🇸 USA2274♠♦8=-11
-4.7Round 18🇵🇱 POLAND177NT♠J=+0
-4.7Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♥♣J-3-10
-4.7Round 23🇳🇿 NEW ZEALAND142♠♦9=-11
-4.8Round 4🇮🇳 INDIA225♦x♦A-1-7
-4.8Round 22🇨🇳 CHINA202♥♣Q-2-8
-4.9Round 3🇩🇰 DENMARK14♥♠T=+0
-5.0Round 14🇹🇷 TURKIYE284♠♦4-2-6
-5.3Round 18🇵🇱 POLAND196♠♦4=+11
-5.4Round 14🇹🇷 TURKIYE222NT♣3-1-6
-5.4Round 18🇵🇱 POLAND263♠♥5+1-10
-5.8Round 3🇩🇰 DENMARK132♥♦7-1-6
-5.8Round 18🇵🇱 POLAND255♠x♦5-1-7
-6.1Round 22🇨🇳 CHINA174♥♦A-1-10
-6.3Round 22🇨🇳 CHINA274♠♣K+1+0
-6.7Round 22🇨🇳 CHINA184♠♥A+1+0
-7.0Round 16🇺🇸 USA2255♠♣9-2-13
-7.1Round 19🇭🇰 HONG KONG CHINA45♦♣9=+13
-7.2Round 3🇩🇰 DENMARK74♥♦A-1-12
-7.3Round 4🇮🇳 INDIA285♥x♥4-3-8
-7.3Round 8🇧🇷 BRAZIL163NT♥7-2-13
-7.5Round 16🇺🇸 USA2196♠♣T=+11
-7.7Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND15♦x♠5-2-9
-7.8Round 11🇸🇪 SWEDEN116♦♥2=+0
-8.0Round 19🇭🇰 HONG KONG CHINA145♠x♣T-2-9
-9.0Round 7🇳🇴 NORWAY53♣♥J+2-10
-10.2Round 11🇸🇪 SWEDEN24♠x♣A-4-12
-12.0Round 13🇿🇦 SOUTH AFRICA84♠x♦9-5-12
-12.4Round 12🇳🇱 NETHERLANDS154♥x♥2=-12