🇹🇼 LIU Violet · CHINESE TAIPEI

21rank
+108.6Butler · 240 bds
+0.45per board
±4.7swing
+0.35vs par /bd · #32/140
+0.44adjusted /bd
Butler per round: 7.8 -12.1 23.2 2.5 11.1 7.2 -0.3 -19.9 34.4 -5.6 20.5 7.6 -5.7 26.7 11.2by round

vs par split: bidding -0.12 · play +0.47

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted +0.44/bd

Card play — on target: opening leads 86.3% #3 of 140 · declarer play 88.2% #1 of 140 · defence 85.1% #74 of 140

Card play by contract type — on target
vs NTvs a suit
Opening leads73.3% (15)91.7% (36)
Declarer play88.2% (17)88.2% (34)
Defence82.4% (34)86.2% (80)

Opening leads by suit led: ♠ 77.8% (9) · ♥ 92.3% (13) · ♦ 91.7% (12) · ♣ 82.4% (17)

vs par by strain: NT +0.20 (76) · a suit +0.42 (164)

vs par by level: part-score +0.56 (78) · game +0.20 (143) · slam +0.63 (19)

By role: declaring +0.25/bd (-2.07 vs par · 126) · defending +0.68/bd (+3.03 vs par · 114)

By vulnerability: vulnerable +0.77/bd (+0.03 vs par · 120) · not vulnerable +0.14/bd (+0.67 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2M.YangL.Lewis – H.EythorsdottirClosed16+7.8+0.49+3.38
Round 3M.YangA.Miyakuni – R.Kato(Ote)Closed16-12.1-0.76-1.25
Round 5M.YangE.Mcgowan – F.McquakerOpen16+23.2+1.45+0.69
Round 6M.YangJ.Meireles – J.PachecoClosed16+2.5+0.16-0.50
Round 8M.YangC.Gibbons – J.GibbonsClosed16+11.1+0.69+0.00
Round 9M.YangN.Senior – H.DhondyOpen16+7.2+0.45+0.81
Round 10M.YangP.Nisbet – B.BryantOpen16-0.3-0.02-2.38
Round 12M.YangV.Gromova – T.DikhnovaOpen16-19.9-1.24-0.69
Round 14M.YangS.Clementsson – E.OveliusOpen16+34.4+2.15+0.56
Round 15M.YangB.Houmoller – S.Buus ThomsenClosed16-5.6-0.35-0.62
Round 17M.YangA.Tartarin – J.MourguesClosed16+20.5+1.28+1.56
Round 18M.YangK.Mccallum – L.BakerClosed16+7.6+0.47-0.19
Round 20M.YangH.Koo – W.WongClosed16-5.7-0.36+1.81
Round 22M.YangH.Baccar – N.SfarOpen16+26.7+1.67+0.81
Round 23M.YangD.Rosslee – C.StantonClosed16+11.2+0.70+1.25

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
+13.7Round 8🇳🇿 NEW ZEALAND224♥♣9+1+15
+12.5Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND47♦♥K=-2
+11.3Round 6🇧🇷 BRAZIL216♥x♠6-3+8
+11.0Round 15🇩🇰 DENMARK103NT♣K=+10
+10.5Round 14🇸🇪 SWEDEN254♥x♦A-3+8
+10.5Round 17🇫🇷 FRANCE146♥♠Q-1+11
+10.1Round 17🇫🇷 FRANCE164♥♦10=+0
+10.0Round 22🇹🇳 TUNISIA206NT♥7=+0
+9.9Round 18🇺🇸 USA 1225♥x♠A=+11
+9.5Round 23🇿🇦 SOUTH AFRICA43NT♥4=+10
+9.4Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND143NT♠2=+6
+9.4Round 14🇸🇪 SWEDEN224♥♣J=+0
+9.3Round 17🇫🇷 FRANCE24♠♠3+2+8
+9.0Round 14🇸🇪 SWEDEN263NT♥6-1+12
+9.0Round 22🇹🇳 TUNISIA216NT♣10-1+17
+9.0Round 22🇹🇳 TUNISIA324♥♣10-1+10
+8.7Round 23🇿🇦 SOUTH AFRICA53NT♠8-2+13
+8.3Round 22🇹🇳 TUNISIA254♠♥Q=+0
+8.1Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND34♠♥9=+3
+8.1Round 14🇸🇪 SWEDEN233NT♠8+2+2
+8.0Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND103NT♥4=-1
+7.8Round 22🇹🇳 TUNISIA225♥x♦A-1+11
+7.6Round 15🇩🇰 DENMARK34♥♠K=+0
+7.5Round 2🇺🇸 USA 2224NT♠10-3+11
+7.4Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND84♥♣A-2+11
+6.4Round 10🇨🇦 CANADA197♦♦3=-2
+6.3Round 6🇧🇷 BRAZIL174♣♦K-3+11
+6.0Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND126♠♥2=+0
+6.0Round 14🇸🇪 SWEDEN204♥♣6-1+6
+6.0Round 20🇭🇰 CHINA HONG KONG225♣♠J-1+14
+6.0Round 22🇹🇳 TUNISIA183NT♦J-1+6
+5.8Round 17🇫🇷 FRANCE64♥♣2-1+10
+5.7Round 2🇺🇸 USA 2206♦♦8+1+13
+5.6Round 2🇺🇸 USA 2303NT♠K-1+10
+5.6Round 15🇩🇰 DENMARK14♥♣2=+0
+5.4Round 8🇳🇿 NEW ZEALAND244♥♠Q+1+10
+5.1Round 18🇺🇸 USA 1214♥♦Q-2+7
+5.0Round 17🇫🇷 FRANCE85♣x♥A-3+12
+4.8Round 10🇨🇦 CANADA274♥♣K+2+11
+4.8Round 14🇸🇪 SWEDEN243NT♥6=+0
+4.5Round 2🇺🇸 USA 2285♥♣5+1+13
+4.5Round 3🇯🇵 JAPAN65♣x♥A-2+9
+4.3Round 3🇯🇵 JAPAN106♦x♠J-1-9
+4.2Round 8🇳🇿 NEW ZEALAND283♠♣J+1+8
+4.2Round 18🇺🇸 USA 1314♥♠3=+0
+4.2Round 20🇭🇰 CHINA HONG KONG324♠x♣K-1+6
+4.1Round 20🇭🇰 CHINA HONG KONG253♥♣K-2+7
+4.0Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND164♥♣2+1+10
+3.8Round 3🇯🇵 JAPAN53NT♥4+1-1
+3.3Round 23🇿🇦 SOUTH AFRICA112♥♣8-3+7
+3.0Round 12🇷🇺 RUSSIA221NT♦4+1+1
+3.0Round 18🇺🇸 USA 1321NT♠10+2+1
+3.0Round 23🇿🇦 SOUTH AFRICA134♠x♥A-1+7
+2.9Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13♣♥A-1+5
+2.9Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND143NT♣2=-1
+2.9Round 12🇷🇺 RUSSIA282NT♥10=+6
+2.8Round 20🇭🇰 CHINA HONG KONG175♣x♥3-3+2
+2.7Round 3🇯🇵 JAPAN114♠♣K+2-11
+2.7Round 6🇧🇷 BRAZIL264♠♣A=+10
+2.7Round 8🇳🇿 NEW ZEALAND183♠♣K=+6
+2.7Round 12🇷🇺 RUSSIA202♥♥2=+10
+2.6Round 18🇺🇸 USA 1302♥♦K=+5
+2.6Round 20🇭🇰 CHINA HONG KONG193♠♥A-2+6
+2.5Round 2🇺🇸 USA 2315♦♥A-1+5
+2.5Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND134♠♦A=+9
+2.5Round 15🇩🇰 DENMARK93♦♣3-1+8
+2.4Round 22🇹🇳 TUNISIA312NT♣8=+9
+2.3Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND42♠♦6=+6
+2.3Round 6🇧🇷 BRAZIL284♠♥A+1+1
+2.3Round 10🇨🇦 CANADA201NT♥Q+2+0
+2.3Round 14🇸🇪 SWEDEN171♠♥10+1+1
+2.3Round 22🇹🇳 TUNISIA192♥♣10+2+6
+2.1Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♠♦K-2+8
+2.1Round 10🇨🇦 CANADA292♠♣A+1+0
+2.1Round 10🇨🇦 CANADA313♠♥9=+0
+2.1Round 15🇩🇰 DENMARK62NT♠9=+0
+2.0Round 8🇳🇿 NEW ZEALAND293NT♥2+3-13
+2.0Round 23🇿🇦 SOUTH AFRICA94♠♣3+1-12
+1.8Round 3🇯🇵 JAPAN46♣♥8+1+13
+1.8Round 6🇧🇷 BRAZIL224♠♦2-2+6
+1.8Round 17🇫🇷 FRANCE53NT♦10-2+13
+1.7Round 6🇧🇷 BRAZIL192♠♦2-1+1
+1.7Round 12🇷🇺 RUSSIA244♥♣3+1+0
+1.7Round 20🇭🇰 CHINA HONG KONG292♥♠2+2-10
+1.6Round 3🇯🇵 JAPAN83NT♥6-2-1
+1.5Round 17🇫🇷 FRANCE13♣♥K-2+0
+1.4Round 14🇸🇪 SWEDEN314♥♠10+1+1
+1.4Round 17🇫🇷 FRANCE73NT♦Q+3+1
+1.3Round 2🇺🇸 USA 2273♣♦5+1+7
+1.3Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND53NT♥J=-1
+1.3Round 10🇨🇦 CANADA233NT♣2=-2
+1.3Round 12🇷🇺 RUSSIA313NT♥10+1-1
+1.2Round 2🇺🇸 USA 2175♥♠5+1+1
+1.2Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113♥♣3=+6
+1.2Round 18🇺🇸 USA 1204♠♦9+1+0
+1.1Round 2🇺🇸 USA 2321NT♣K=-1
+1.1Round 18🇺🇸 USA 1232NT♣10=+0
+1.0Round 3🇯🇵 JAPAN163NT♥5+2+0
+1.0Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND33♥x♠K-3-3
+1.0Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♥♣8-1+12
+1.0Round 15🇩🇰 DENMARK83NT♣10-1+4
+1.0Round 22🇹🇳 TUNISIA304♠♣8=+0
+1.0Round 23🇿🇦 SOUTH AFRICA104♥♠2-2+9
+0.8Round 3🇯🇵 JAPAN24♥♣3=+0
+0.8Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND154♥♣5+1+0
+0.8Round 15🇩🇰 DENMARK123♦♦10-1+0
+0.8Round 18🇺🇸 USA 1184♥♦10=-1
+0.8Round 22🇹🇳 TUNISIA293NT♠Q+2+0
+0.7Round 14🇸🇪 SWEDEN301NT♦4-2+1
+0.7Round 18🇺🇸 USA 1171NT♠5-1-3
+0.6Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND71NT♠7+1+1
+0.6Round 10🇨🇦 CANADA183♥♦K=+6
+0.6Round 10🇨🇦 CANADA213NT♥5+3-11
+0.6Round 17🇫🇷 FRANCE123♦♣J+1+10
+0.5Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND94♠♦A=+0
+0.5Round 14🇸🇪 SWEDEN214♠♠8=+0
+0.4Round 8🇳🇿 NEW ZEALAND303NT♥2+2+1
+0.4Round 20🇭🇰 CHINA HONG KONG304♥♦2+1+0
+0.3Round 6🇧🇷 BRAZIL232NT♠Q=-1
+0.3Round 18🇺🇸 USA 1284NT♥7=-1
+0.3Round 23🇿🇦 SOUTH AFRICA66♠♥10+1+11
+0.2Round 8🇳🇿 NEW ZEALAND204♠♥Q+1+1
+0.2Round 12🇷🇺 RUSSIA183NT♣2+2+0
+0.2Round 20🇭🇰 CHINA HONG KONG311NT♠6+1+0
+0.1Round 2🇺🇸 USA 2254♠♦A-1+5
+0.1Round 18🇺🇸 USA 1243NT♣6=+0
-0.0Round 2🇺🇸 USA 2263NT♣Q=+0
+0.0Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND61NT♣3-2-2
-0.0Round 8🇳🇿 NEW ZEALAND323NT♠2+1+0
+0.0Round 12🇷🇺 RUSSIA324♠♣K+1+0
-0.0Round 14🇸🇪 SWEDEN283NT♦J=+2
+0.0Round 15🇩🇰 DENMARK56♠♣A=+0
-0.0Round 17🇫🇷 FRANCE132NT♣Q-2-2
-0.1Round 8🇳🇿 NEW ZEALAND173♦♣2-2+1
-0.1Round 12🇷🇺 RUSSIA274♣♦A+1+6
-0.1Round 20🇭🇰 CHINA HONG KONG213NT♠J=+0
-0.1Round 22🇹🇳 TUNISIA234♥♠5+1+0
-0.2Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND56♠♦8+1-11
-0.2Round 14🇸🇪 SWEDEN293NT♣8+1+1
-0.2Round 14🇸🇪 SWEDEN324♠♦A+1+0
-0.3Round 2🇺🇸 USA 2244♠♦Q+1+0
-0.3Round 18🇺🇸 USA 1251NT♠5-1+1
-0.4Round 12🇷🇺 RUSSIA253♥♦A-1+10
-0.4Round 23🇿🇦 SOUTH AFRICA83NT♥9-1+2
-0.4Round 23🇿🇦 SOUTH AFRICA124♠♦3+2-1
-0.5Round 6🇧🇷 BRAZIL183NT♥2+1+0
-0.5Round 10🇨🇦 CANADA283NT♥5+1-10
-0.5Round 14🇸🇪 SWEDEN193♣♥K=-5
-0.7Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND162♠♥A=+0
-0.7Round 6🇧🇷 BRAZIL253♠♥9+1-1
-0.7Round 8🇳🇿 NEW ZEALAND272♥♦5=+0
-0.7Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♠♥8+1+0
-0.8Round 17🇫🇷 FRANCE113♦♣Q=+1
-0.8Round 23🇿🇦 SOUTH AFRICA32NT♠5-1+4
-0.9Round 12🇷🇺 RUSSIA175♠♥A-2-5
-1.0Round 6🇧🇷 BRAZIL314♠♥Q=-1
-1.0Round 8🇳🇿 NEW ZEALAND234♥♣Q+1-13
-1.0Round 18🇺🇸 USA 1274♥♦A+1+0
-1.1Round 10🇨🇦 CANADA244♥♦J-1-10
-1.2Round 8🇳🇿 NEW ZEALAND262♠♦J+1+0
-1.3Round 3🇯🇵 JAPAN12♥♠A=+1
-1.3Round 6🇧🇷 BRAZIL273♥♣J-2+1
-1.3Round 8🇳🇿 NEW ZEALAND213♠♥5-2+1
-1.3Round 10🇨🇦 CANADA253NT♥10+1+0
-1.3Round 15🇩🇰 DENMARK151♥♣Q+3-1
-1.3Round 20🇭🇰 CHINA HONG KONG182NT♣3=-5
-1.3Round 22🇹🇳 TUNISIA286NT♣8+1-11
-1.4Round 12🇷🇺 RUSSIA233NT♣2+1-1
-1.4Round 20🇭🇰 CHINA HONG KONG285♠♦K+1+12
-1.5Round 23🇿🇦 SOUTH AFRICA151NT♥A=+1
-1.6Round 15🇩🇰 DENMARK133♥♦3+1-10
-1.7Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND102♥♣7+2-1
-1.8Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♠♥6-1-6
-1.8Round 17🇫🇷 FRANCE93NT♥5=+0
-1.9Round 6🇧🇷 BRAZIL324♠♦A=+1
-1.9Round 10🇨🇦 CANADA174♥♠5+1-1
-1.9Round 23🇿🇦 SOUTH AFRICA74♠♥7-1-6
-2.0Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND93NT♥K+1+1
-2.0Round 20🇭🇰 CHINA HONG KONG242♠♥5-1+2
-2.5Round 3🇯🇵 JAPAN154♠♥10+1+0
-2.5Round 12🇷🇺 RUSSIA262♣♥J+1-5
-2.6Round 3🇯🇵 JAPAN143♠♣A=-1
-2.6Round 10🇨🇦 CANADA305♥x♠8-1+0
-2.6Round 23🇿🇦 SOUTH AFRICA12♥♣K+2-1
-2.7Round 15🇩🇰 DENMARK43♦♠Q+1-1
-2.8Round 2🇺🇸 USA 2193NT♦7=+0
-2.9Round 3🇯🇵 JAPAN93♦♠8-1-11
-3.0Round 6🇧🇷 BRAZIL204♠♣3-1-12
-3.0Round 23🇿🇦 SOUTH AFRICA24♦♦2-1-5
-3.0Round 23🇿🇦 SOUTH AFRICA143NT♦4-1-10
-3.0Round 23🇿🇦 SOUTH AFRICA164♠♣7-1-9
-3.2Round 2🇺🇸 USA 2233NT♠7=+0
-3.2Round 17🇫🇷 FRANCE42♥♣7-2-2
-3.3Round 14🇸🇪 SWEDEN274♠♥A-1-5
-3.3Round 18🇺🇸 USA 1292NT♣6+4-9
-3.4Round 12🇷🇺 RUSSIA217♠♠3=+0
-3.5Round 3🇯🇵 JAPAN71NT♣3=+1
-3.5Round 6🇧🇷 BRAZIL243NT♣7-1-10
-3.5Round 17🇫🇷 FRANCE104♥♦10+2-13
-3.5Round 22🇹🇳 TUNISIA273NT♦5+1-1
-3.6Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND112♠♦3=+0
-3.6Round 10🇨🇦 CANADA321NT♥9+2-1
-3.7Round 8🇳🇿 NEW ZEALAND253NT♣5+1+0
-3.7Round 10🇨🇦 CANADA263♠♠A+2-9
-3.7Round 15🇩🇰 DENMARK145♦♥Q-1-5
-3.8Round 20🇭🇰 CHINA HONG KONG274♥♣A+2-1
-3.9Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND23NT♦5-3-7
-3.9Round 15🇩🇰 DENMARK24♥♦Q+1+0
-4.0Round 3🇯🇵 JAPAN33NT♠4=-7
-4.0Round 8🇳🇿 NEW ZEALAND316NT♥9=+0
-4.0Round 20🇭🇰 CHINA HONG KONG234♠♦10=+0
-4.1Round 6🇧🇷 BRAZIL294♥♣8+1-11
-4.2Round 2🇺🇸 USA 2213♥♠A=+0
-4.4Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♠x♥A-2+0
-4.6Round 12🇷🇺 RUSSIA294♥♣A+2-13
-4.6Round 22🇹🇳 TUNISIA174♠♥J-2-12
-4.7Round 2🇺🇸 USA 2183NT♠2-1-5
-4.9Round 17🇫🇷 FRANCE34♠♣Q-2-7
-5.1Round 18🇺🇸 USA 1262♥♣K-2-2
-5.5Round 8🇳🇿 NEW ZEALAND195♠♦2+2-17
-5.7Round 12🇷🇺 RUSSIA304♠x♥A=-7
-5.8Round 10🇨🇦 CANADA223♠♥Q-3-9
-6.0Round 15🇩🇰 DENMARK74♥♠J=-10
-6.1Round 20🇭🇰 CHINA HONG KONG264♥♣K-1+1
-6.2Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND134♠♦9-1-6
-6.5Round 2🇺🇸 USA 2295♥x♦8=-5
-6.8Round 5🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND14♥♣K=+1
-7.2Round 3🇯🇵 JAPAN134♠♣A-3-10
-7.5Round 15🇩🇰 DENMARK164♠♣K-2-7
-7.9Round 6🇧🇷 BRAZIL306♥♠5-2-11
-8.6Round 3🇯🇵 JAPAN123♥x♥A-5+7
-8.7Round 22🇹🇳 TUNISIA263♠♦K-3-10
-9.0Round 20🇭🇰 CHINA HONG KONG202♦x♥7-3-5
-9.5Round 15🇩🇰 DENMARK116♣♦J=+2
-11.3Round 17🇫🇷 FRANCE157♦♦Q-2-17
-11.7Round 18🇺🇸 USA 1194♣♦9-1-12
-11.7Round 22🇹🇳 TUNISIA244♥♣J-7-12
-12.1Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23NT♣10-2-14
-12.7Round 12🇷🇺 RUSSIA195♥x♦J-3-12
-14.1Round 14🇸🇪 SWEDEN184♠x♥A=-15