🇹🇼 LU Chih En · CHINESE TAIPEI

89rank
-136.9Butler · 156 bds
-0.88per board
±4.7swing
-1.21vs par /bd · #81/92
-0.56adjusted /bd
Butler per round: -9.6 -14.3 -12.6 29.6 -8.1 -37.1 6.4 -5.3 -19.4 -19.7 -3.9 -48.1 5.2by round

vs par split: bidding -0.75 · play -0.45

Strength of schedule: opponents averaged +0.32/bd (a tough draw) → opponent-adjusted -0.56/bd

Card play — on target: opening leads 70.0% #83 of 92 · declarer play 60.5% #77 of 92 · defence 84.5% #25 of 92

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (9)71.4% (21)
Declarer play37.5% (8)66.7% (30)
Defence63.2% (19)92.3% (52)

Opening leads by suit led: ♠ 66.7% (9) · ♥ 66.7% (6) · ♦ 57.1% (7) · ♣ 87.5% (8)

vs par by strain: NT -1.60 (40) · a suit -1.05 (115)

vs par by level: part-score -1.18 (61) · game -0.90 (83) · slam -3.46 (11)

By role: declaring -0.69/bd (-2.71 vs par · 85) · defending -1.10/bd (+0.59 vs par · 71)

By vulnerability: vulnerable -0.85/bd (-0.81 vs par · 78) · not vulnerable -0.91/bd (-1.60 vs par · 78)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1T.ChenJ.Bakhshi – H.RoseClosed12-9.6-0.80-0.67
Round 2T.ChenY.Ai – Y.JinOpen12-14.3-1.19-0.58
Round 4T.ChenD.Muti – E.CiviciOpen12-12.6-1.05+0.33
Round 5T.ChenL.Onkutlule – W.PhatshwaneClosed12+29.6+2.47+2.42
Round 7T.ChenK.Dransfeld – M.GuendelOpen12-8.1-0.67-2.33
Round 8T.ChenK.Kuflowski – F.KurlitClosed12-37.1-3.09-3.17
Round 10T.ChenK.Brekke – T.ToesseClosed12+6.4+0.53+0.75
Round 11T.ChenT.Lundqvist – I.LundqvistOpen12-5.3-0.44-1.83
Round 12T.ChenY.Lu – Z.WangOpen12-19.4-1.62-2.25
Round 13T.ChenA.Bune – C.PedersenClosed12-19.7-1.64-3.33
Round 14T.ChenL.Rombaut – A.GallardOpen12-3.9-0.33-1.17
Round 16T.ChenD.Msika – O.SabbahOpen12-48.1-4.01-2.08
Round 17T.ChenX.Wang – Q.GanClosed12+5.2+0.43-1.75

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
+11.7Round 17🇨🇳 CHINA 276♥♦K-2+13
+10.1Round 13🇩🇰 DENMARK74♠♣3=+12
+8.1Round 5BOTSWANA83♦♥J+1+6
+7.8Round 13🇩🇰 DENMARK104♥♠K=+1
+7.6Round 14🇫🇷 FRANCE115♥♣A-1+8
+7.1Round 4🇹🇷 TURKEY15♣♠A-1+10
+6.9Round 5BOTSWANA113NT♣3=-1
+6.4Round 17🇨🇳 CHINA 2104♥♠K=+0
+6.2Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104♥♦Q=+0
+6.2Round 10🇳🇴 NORWAY23NT♥3=+10
+6.1Round 13🇩🇰 DENMARK33NT♠2-1+6
+5.8Round 14🇫🇷 FRANCE65♣♥4-2+7
+5.6Round 5BOTSWANA14♠x♥Q-1+5
+5.5Round 7🇩🇪 GERMANY86♠♦K=-11
+5.3Round 5BOTSWANA71NT♣K+3+7
+5.2Round 5BOTSWANA44♠♣8=+9
+5.1Round 16🇮🇱 ISRAEL103NT♠4-2+8
+4.4Round 8🇵🇱 POLAND15♥♥7=+0
+4.4Round 13🇩🇰 DENMARK63♥♣A-3+5
+4.3Round 5BOTSWANA124♥♣A+1+11
+4.2Round 17🇨🇳 CHINA 212♣x♠A-2-4
+4.1Round 12🇨🇳 CHINA 373♠♣J-1+0
+4.1Round 14🇫🇷 FRANCE103NT♦Q+2+1
+3.9Round 2🇨🇳 CHINA 1104♥♠K-1+6
+3.9Round 10🇳🇴 NORWAY94NT♦4+2+13
+3.8Round 4🇹🇷 TURKEY34♠♣8=+0
+3.5Round 2🇨🇳 CHINA 124♥♦Q=-1
+3.4Round 4🇹🇷 TURKEY46♥♦4-1+14
+3.4Round 10🇳🇴 NORWAY74♠♥3=+0
+3.2Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND14♥♠5-2+5
+2.9Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♠♦A=-1
+2.9Round 8🇵🇱 POLAND73NT♣5-1+5
+2.8Round 11🇸🇪 SWEDEN32♠♦A=+0
+2.7Round 2🇨🇳 CHINA 113♥♠A-1+5
+2.6Round 7🇩🇪 GERMANY13♥♠3=-4
+2.6Round 11🇸🇪 SWEDEN102♣♠7=+5
+2.6Round 12🇨🇳 CHINA 355♣♣2+1+11
+2.5Round 4🇹🇷 TURKEY114♥♦4+1+1
+2.5Round 5BOTSWANA31NT♥A+1-7
+2.5Round 7🇩🇪 GERMANY93♦♥A-1+5
+2.5Round 12🇨🇳 CHINA 385♠♦A+1+1
+2.5Round 17🇨🇳 CHINA 294♥♦10=+0
+1.9Round 17🇨🇳 CHINA 2114♥♣J-2+0
+1.7Round 10🇳🇴 NORWAY34♥♠3+1+1
+1.7Round 12🇨🇳 CHINA 316♦♣5=-2
+1.7Round 12🇨🇳 CHINA 323NT♠8=-1
+1.7Round 17🇨🇳 CHINA 243NT♣4+2+0
+1.6Round 11🇸🇪 SWEDEN124♠♦2+1+0
+1.6Round 12🇨🇳 CHINA 3125♦♠A-1-5
+1.5Round 10🇳🇴 NORWAY14♥♣A+1+0
+1.4Round 7🇩🇪 GERMANY72NT♣Q-1-1
+1.3Round 2🇨🇳 CHINA 133NT♥K+2+0
+1.2Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND21♦♦4+2+7
+1.1Round 5BOTSWANA103♠♥3=+0
+1.1Round 7🇩🇪 GERMANY21NT♥10=+5
+1.1Round 7🇩🇪 GERMANY104♠♥Q-1+6
+1.1Round 14🇫🇷 FRANCE42♦♠K+1+0
+1.1Round 16🇮🇱 ISRAEL13♣♦4+3+6
+1.0Round 11🇸🇪 SWEDEN14♥♠5=+8
+1.0Round 17🇨🇳 CHINA 264♠♦J=-1
+0.8Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND75♥♣7=+0
+0.8Round 10🇳🇴 NORWAY113♣♠A=-1
+0.6Round 2🇨🇳 CHINA 163NT♠8=-1
+0.6Round 11🇸🇪 SWEDEN41NT♣Q+1+1
+0.5Round 10🇳🇴 NORWAY83NT♣Q-1+4
+0.4Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83NT♣6+1+1
+0.4Round 2🇨🇳 CHINA 141NT♣9+2-10
+0.4Round 4🇹🇷 TURKEY73NT♣K-1-6
+0.2Round 12🇨🇳 CHINA 342♥♣K+1+0
+0.0Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND114♠♦2=+1
+0.0Round 14🇫🇷 FRANCE12♦♥A+1-7
-0.1Round 11🇸🇪 SWEDEN111NT♣7=+0
-0.2Round 2🇨🇳 CHINA 184♥♠6+2+1
-0.2Round 4🇹🇷 TURKEY82♥♠A=+6
-0.2Round 10🇳🇴 NORWAY102♥♦K-1+1
-0.3Round 16🇮🇱 ISRAEL22♠♣A-1+1
-0.4Round 4🇹🇷 TURKEY95♠♥4+1+13
-0.4Round 8🇵🇱 POLAND101NT♥J=+1
-0.5Round 4🇹🇷 TURKEY22♦♥Q=-1
-0.5Round 7🇩🇪 GERMANY53♥♠Q=+0
-0.8Round 5BOTSWANA91NT♠3-1+2
-0.8Round 11🇸🇪 SWEDEN6Pass-3
-0.8Round 14🇫🇷 FRANCE92♠♦K-2+2
-0.9Round 7🇩🇪 GERMANY122♥♦5=+0
-1.1Round 11🇸🇪 SWEDEN23♥♦10-1-10
-1.2Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53NT♠5+2-1
-1.2Round 5BOTSWANA51♠x♣A-1+6
-1.2Round 8🇵🇱 POLAND53NT♥2+1+0
-1.3Round 11🇸🇪 SWEDEN95♣♥5-1-5
-1.5Round 4🇹🇷 TURKEY63♠♦K=+0
-1.5Round 8🇵🇱 POLAND113♥♠K-2+1
-1.6Round 7🇩🇪 GERMANY43NT♥J+2+0
-1.6Round 11🇸🇪 SWEDEN74♥♣7-1-5
-1.8Round 16🇮🇱 ISRAEL74♠♦K=+13
-2.0Round 2🇨🇳 CHINA 1121NT♠4=+1
-2.2Round 5BOTSWANA62♦♠10+1+0
-2.2Round 16🇮🇱 ISRAEL82♦♥K=-5
-2.4Round 13🇩🇰 DENMARK124♠♦7=+11
-2.5Round 10🇳🇴 NORWAY43♥♠A=-1
-2.5Round 14🇫🇷 FRANCE53♣♣4-2+5
-2.5Round 14🇫🇷 FRANCE73NT♦Q-2-8
-2.5Round 14🇫🇷 FRANCE123♥♠4-3-5
-2.6Round 10🇳🇴 NORWAY52♥♣K=-6
-2.7Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND92♦♣J+2-7
-2.8Round 12🇨🇳 CHINA 3116♦♠A=+2
-2.9Round 2🇨🇳 CHINA 1111♠♥10=+1
-3.0Round 17🇨🇳 CHINA 251NT♦Q=+0
-3.1Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123♥♦K-1-2
-3.1Round 10🇳🇴 NORWAY123♥♠K=-8
-3.2Round 7🇩🇪 GERMANY33♥♦K-1-10
-3.2Round 8🇵🇱 POLAND64♠♣K-2-6
-3.2Round 10🇳🇴 NORWAY63♥♣J-1-4
-3.4Round 12🇨🇳 CHINA 3106♠♦6+1-1
-3.4Round 17🇨🇳 CHINA 234♥♠3+1-4
-3.5Round 14🇫🇷 FRANCE33NT♥J+1+0
-3.5Round 17🇨🇳 CHINA 2124♠♦K-1-6
-3.8Round 8🇵🇱 POLAND22♥♠2=+0
-3.9Round 16🇮🇱 ISRAEL44♠♦K=-3
-4.0Round 8🇵🇱 POLAND33♦♥8=-6
-4.1Round 11🇸🇪 SWEDEN52NT♣3-1-6
-4.2Round 8🇵🇱 POLAND82♥♦8+1-1
-4.2Round 14🇫🇷 FRANCE22♠♠5=-6
-4.4Round 13🇩🇰 DENMARK13NT♥Q-1-17
-4.8Round 17🇨🇳 CHINA 224♠♠6=-12
-4.9Round 11🇸🇪 SWEDEN83♥♠10=-7
-4.9Round 16🇮🇱 ISRAEL111♠x♣K-3+9
-5.2Round 5BOTSWANA25♠♥A-3-9
-5.3Round 16🇮🇱 ISRAEL125♣x♥K-1-5
-5.5Round 2🇨🇳 CHINA 194♠♦9+1+0
-5.5Round 13🇩🇰 DENMARK114♠♣6+2-14
-5.6Round 13🇩🇰 DENMARK56♥♣K-4-6
-6.0Round 16🇮🇱 ISRAEL64♥♦10-1-10
-6.5Round 14🇫🇷 FRANCE86♥♣4-2-11
-6.8Round 8🇵🇱 POLAND96♥♠K-2-11
-6.8Round 13🇩🇰 DENMARK43NT♦K-2-13
-7.5Round 13🇩🇰 DENMARK93NT♠K=-7
-7.6Round 2🇨🇳 CHINA 174♠♣7=+0
-7.8Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND63NT♥A+1-1
-7.8Round 13🇩🇰 DENMARK85♦♣9=-7
-7.9Round 7🇩🇪 GERMANY113NT♠2-1-10
-8.1Round 13🇩🇰 DENMARK22♠♦K-3-11
-8.2Round 7🇩🇪 GERMANY64♠♥J-4-8
-8.3Round 4🇹🇷 TURKEY53♥♠10-2-11
-8.5Round 2🇨🇳 CHINA 154♦x♥J=-9
-8.8Round 12🇨🇳 CHINA 394♥x♠8+1-8
-9.1Round 16🇮🇱 ISRAEL36♦♠10+1-13
-9.2Round 16🇮🇱 ISRAEL95♥♠6=-14
-9.4Round 4🇹🇷 TURKEY104♠♦Q-3-14
-9.4Round 8🇵🇱 POLAND43NT♦8-3-9
-9.4Round 12🇨🇳 CHINA 333NT♣10+1-11
-9.4Round 12🇨🇳 CHINA 364♥♣3=-13
-9.5Round 1🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND43♠♥2+1-10
-9.5Round 4🇹🇷 TURKEY125♠x♥A-3-8
-9.5Round 17🇨🇳 CHINA 283NT♠4=-7
-9.9Round 8🇵🇱 POLAND123NT♦4-1-12
-11.6Round 16🇮🇱 ISRAEL56♠♥K-2-12