🇭🇰 LUNG Ka-Cheung · HONG KONG CHINA

88rank
-54.7Butler · 180 bds
-0.30per board
±4.6swing
-0.52vs par /bd · #106/135
-0.34adjusted /bd
Butler per round: -41.2 9.8 25 21 -16 -25.9 -2.5 3.6 3.5 4.6 -29.1 1.4 -2.6 -16.6 10.3by round

vs par split: bidding -0.37 · play -0.15

Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -0.34/bd

Card play — on target: opening leads 78.0% #74 of 135 · declarer play 57.4% #126 of 135 · defence 83.3% #85 of 135

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (10)83.9% (31)
Declarer play23.1% (13)70.6% (34)
Defence74.1% (27)87.7% (57)

Opening leads by suit led: ♠ 85.7% (7) · ♥ 69.2% (13) · ♦ 83.3% (12) · ♣ 77.8% (9)

vs par by strain: NT -0.73 (56) · a suit -0.42 (124)

vs par by level: part-score -0.76 (76) · game -0.13 (98) · slam -3.67 (6)

By role: declaring -0.14/bd (-2.97 vs par · 96) · defending -0.49/bd (+2.29 vs par · 84)

By vulnerability: vulnerable -0.23/bd (-0.88 vs par · 90) · not vulnerable -0.38/bd (-0.16 vs par · 90)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1K.ChiuC.Daehr – G.CohnerOpen12-41.2-3.43-2.42
Round 2K.ChiuJ.Dousse – C.CatzeflisClosed12+9.8+0.82+1.58
Round 4K.ChiuP.T'Kint De Roodenbeke – A.El GhrariClosed12+25.0+2.08+0.58
Round 5K.ChiuJ.Schnetzer Chauvaud – S.Manasseh HawaOpen12+21.0+1.75+2.08
Round 7K.ChiuT.Maeda – A.OmasaOpen12-16.0-1.33-1.83
Round 8K.ChiuT.Di Febo – L.VecchiClosed12-25.9-2.16-1.25
Round 9K.ChiuM.Copur – M.ErkelClosed12-2.5-0.21-0.08
Round 11K.ChiuJ.Van Der Neut – R.LindemanClosed12+3.6+0.30-1.42
Round 15K.ChiuP.Bizon – M.BlatClosed12+3.5+0.29-1.92
Round 16K.ChiuG.Chagas – L.PainOpen12+4.6+0.38+0.42
Round 17K.ChiuA.Kalish – N.GrinbergClosed12-29.1-2.43-0.75
Round 18K.ChiuR.Milner – H.LallOpen12+1.4+0.12+2.25
Round 20K.ChiuJ.Carrera – R.NinoClosed12-2.6-0.22-1.42
Round 21K.ChiuP.Bardhan – B.DasClosed12-16.6-1.38-3.83
Round 23K.ChiuM.Gustawsson – J.SylvanOpen12+10.3+0.86+0.25

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 4🇲🇦 MOROCCO66♠♦6=+1
+11.0Round 11🇳🇱 NETHERLANDS174♠x♠2-4+12
+10.7Round 5🇨🇱 CHILE164♠♥8+2+14
+9.9Round 15🇵🇱 POLAND153NT♥10=+0
+8.7Round 16🇧🇷 BRAZIL13NT♥10+4+3
+8.7Round 16🇧🇷 BRAZIL95♣♦K=-1
+8.1Round 18🇺🇸 U.S.A.73NT♠9-1+12
+8.0Round 23🇸🇪 SWEDEN194♠♣J-1+10
+7.9Round 4🇲🇦 MOROCCO54♥♣8+2+13
+7.6Round 18🇺🇸 U.S.A.83♥♣A=+10
+7.5Round 16🇧🇷 BRAZIL43♣♥K=+12
+6.9Round 2🇨🇭 SWITZERLAND24♠♥A+2+13
+6.8Round 4🇲🇦 MOROCCO122NT♥Q=+11
+6.8Round 8🇮🇹 ITALY54♠♦6=+0
+6.3Round 20🇨🇴 COLOMBIA73NT♥9=+0
+6.3Round 21🇮🇳 INDIA133NT♥6+3+1
+6.2Round 11🇳🇱 NETHERLANDS183NT♣A-2+6
+6.0Round 2🇨🇭 SWITZERLAND51♦x♣A-1+8
+5.9Round 23🇸🇪 SWEDEN176NT♦8-2+5
+5.1Round 5🇨🇱 CHILE223♠x♥4-1+0
+4.8Round 2🇨🇭 SWITZERLAND124♠♥A-2+8
+4.7Round 4🇲🇦 MOROCCO104♥♣J=-1
+4.6Round 15🇵🇱 POLAND172♠♠A-4+6
+4.4Round 9🇹🇷 TURKIYE171NT♥3=-1
+4.2Round 20🇨🇴 COLOMBIA21NT♠K+2-6
+4.1Round 5🇨🇱 CHILE235♣♥A=+3
+4.1Round 9🇹🇷 TURKIYE144♥♦A=+3
+4.1Round 20🇨🇴 COLOMBIA13NT♠9-2+5
+4.0Round 4🇲🇦 MOROCCO92NT♦6-1-1
+3.9Round 23🇸🇪 SWEDEN163NT♦Q=-1
+3.7Round 2🇨🇭 SWITZERLAND43♦♠Q-1+6
+3.6Round 11🇳🇱 NETHERLANDS155♣x♠A-1+6
+3.6Round 18🇺🇸 U.S.A.23♠♥5+1+1
+3.3Round 21🇮🇳 INDIA153NT♠3=-1
+3.2Round 7🇯🇵 JAPAN224♥♦9-2+6
+3.2Round 21🇮🇳 INDIA193NT♥6+3+1
+3.1Round 9🇹🇷 TURKIYE183NT♠10+2+0
+3.0Round 20🇨🇴 COLOMBIA51NT♠9-2+2
+2.9Round 8🇮🇹 ITALY64♠♥J-1+6
+2.9Round 20🇨🇴 COLOMBIA63NT♠3+2+1
+2.8Round 20🇨🇴 COLOMBIA124♥♦2+2+1
+2.7Round 15🇵🇱 POLAND182♠♦K+1+0
+2.7Round 21🇮🇳 INDIA143NT♦10=+0
+2.6Round 21🇮🇳 INDIA244♠♦A+1+0
+2.4Round 15🇵🇱 POLAND214♠♦3+1+2
+2.3Round 2🇨🇭 SWITZERLAND92♥♠2=-5
+2.3Round 5🇨🇱 CHILE181NT♠10+4+3
+2.3Round 5🇨🇱 CHILE243♠♥J-2+5
+2.3Round 15🇵🇱 POLAND193♦♥K+1+0
+2.3Round 23🇸🇪 SWEDEN223NT♠6+2-13
+2.1Round 5🇨🇱 CHILE212♥♥8+2-6
+2.1Round 8🇮🇹 ITALY92♠♦7+1+6
+2.1Round 15🇵🇱 POLAND162♠♥10+1+11
+2.0Round 4🇲🇦 MOROCCO112♦♠2+1+0
+2.0Round 17🇮🇱 ISRAEL145♣♠A=-2
+2.0Round 23🇸🇪 SWEDEN154♠♣2=+0
+2.0Round 23🇸🇪 SWEDEN204♥♠Q+1-13
+1.9Round 11🇳🇱 NETHERLANDS241NT♦6=-1
+1.8Round 17🇮🇱 ISRAEL154♥♣A+1+0
+1.6Round 17🇮🇱 ISRAEL242♥♦7-1+5
+1.5Round 16🇧🇷 BRAZIL114♠♥K+2-14
+1.2Round 21🇮🇳 INDIA214♠♦2=-1
+1.2Round 23🇸🇪 SWEDEN144♠♦K+2+1
+1.0Round 8🇮🇹 ITALY43NT♦4-2+8
+1.0Round 11🇳🇱 NETHERLANDS193♥♥J=-2
+0.9Round 5🇨🇱 CHILE172NT♣4-1-1
+0.9Round 9🇹🇷 TURKIYE154♥♦9=+13
+0.8Round 7🇯🇵 JAPAN143NT♠6+1-11
+0.8Round 9🇹🇷 TURKIYE163NT♠2=+0
+0.6Round 11🇳🇱 NETHERLANDS202♥♣4+1+10
+0.6Round 18🇺🇸 U.S.A.53♠♦3+1+2
+0.5Round 1🇩🇪 GERMANY124♠♦10-2+6
+0.5Round 4🇲🇦 MOROCCO74♥♣A+1+0
+0.4Round 1🇩🇪 GERMANY94♠♦2-2+2
+0.4Round 7🇯🇵 JAPAN133♥♦3=+0
+0.4Round 18🇺🇸 U.S.A.31NT♦3+1+0
+0.3Round 11🇳🇱 NETHERLANDS212♠♥6-1-2
+0.2Round 8🇮🇹 ITALY82♠♦4-1-1
+0.2Round 16🇧🇷 BRAZIL61NT♥7+1+7
+0.1Round 2🇨🇭 SWITZERLAND82♠♦J=-1
+0.1Round 11🇳🇱 NETHERLANDS163NT♥9+1+1
-0.1Round 4🇲🇦 MOROCCO42♠♥K+1+0
-0.1Round 7🇯🇵 JAPAN163♠♥A-1+1
-0.1Round 9🇹🇷 TURKIYE201NT♣4-1+1
-0.2Round 9🇹🇷 TURKIYE131NT♣A=+0
-0.2Round 17🇮🇱 ISRAEL212♥♦10+1+4
-0.2Round 23🇸🇪 SWEDEN231NT♠A-1-1
-0.3Round 11🇳🇱 NETHERLANDS133NT♥5+2-13
-0.4Round 5🇨🇱 CHILE203NT♦4+2+0
-0.4Round 7🇯🇵 JAPAN212♦♥2=+11
-0.4Round 8🇮🇹 ITALY104♠♣A=+0
-0.4Round 17🇮🇱 ISRAEL164♠♦10+2+11
-0.5Round 8🇮🇹 ITALY32♥♣4+2+10
-0.5Round 15🇵🇱 POLAND232♦♥7+1-11
-0.6Round 1🇩🇪 GERMANY115♣♥9+1+11
-0.6Round 5🇨🇱 CHILE153♦♣A=-6
-0.6Round 21🇮🇳 INDIA163♠♥J-2-5
-0.7Round 2🇨🇭 SWITZERLAND113NT♥J+1+0
-0.7Round 11🇳🇱 NETHERLANDS234♥♣2+2-13
-0.9Round 23🇸🇪 SWEDEN135♣♥J=+13
-1.0Round 2🇨🇭 SWITZERLAND12♠♦4-1-5
-1.0Round 2🇨🇭 SWITZERLAND73NT♦9+1-1
-1.1Round 5🇨🇱 CHILE134♥♠4+1+13
-1.2Round 8🇮🇹 ITALY123NT♥4-1-6
-1.2Round 18🇺🇸 U.S.A.122♠♥A=+0
-1.3Round 4🇲🇦 MOROCCO85♣♦K+1+11
-1.3Round 7🇯🇵 JAPAN192♥♦6+1+0
-1.3Round 8🇮🇹 ITALY13NT♥8+3-1
-1.3Round 16🇧🇷 BRAZIL104♥♠9=+1
-1.4Round 18🇺🇸 U.S.A.63♦♠10-1+3
-1.4Round 20🇨🇴 COLOMBIA82♠♣3+1-6
-1.5Round 7🇯🇵 JAPAN233NT♠2+2+0
-1.7Round 1🇩🇪 GERMANY73♥♠A-1-11
-1.8Round 4🇲🇦 MOROCCO32♥♦2-1-5
-1.8Round 17🇮🇱 ISRAEL173NT♠K+2+0
-1.9Round 20🇨🇴 COLOMBIA94♥♥10+1+0
-2.0Round 5🇨🇱 CHILE192♦♥J+2+0
-2.0Round 9🇹🇷 TURKIYE193NT♠10+2-1
-2.1Round 1🇩🇪 GERMANY43NT♥Q-1-6
-2.1Round 7🇯🇵 JAPAN201NT♠7+2-10
-2.1Round 17🇮🇱 ISRAEL203NT♦4+2+13
-2.2Round 18🇺🇸 U.S.A.44♥♠J-2-8
-2.3Round 7🇯🇵 JAPAN243♠♦5=+0
-2.3Round 15🇵🇱 POLAND242♥♠K-1-9
-2.3Round 16🇧🇷 BRAZIL54♥♠Q=+0
-2.3Round 18🇺🇸 U.S.A.93NT♠2+4+12
-2.4Round 5🇨🇱 CHILE144♠♥Q+1+0
-2.4Round 9🇹🇷 TURKIYE232♠♥A=-5
-2.4Round 15🇵🇱 POLAND134♣♠A-1-5
-2.5Round 16🇧🇷 BRAZIL86♠♥6+1+11
-2.6Round 16🇧🇷 BRAZIL22♣♥8-1+1
-2.7Round 9🇹🇷 TURKIYE244♥♠10-1-10
-2.8Round 23🇸🇪 SWEDEN185♦♠A-3+8
-2.9Round 2🇨🇭 SWITZERLAND33NT♠Q=+0
-3.1Round 16🇧🇷 BRAZIL74♥♣A+1+0
-3.2Round 1🇩🇪 GERMANY83♣♠Q-2-5
-3.3Round 1🇩🇪 GERMANY12♠♦J-1-4
-3.3Round 1🇩🇪 GERMANY23♠♦Q=+7
-3.3Round 18🇺🇸 U.S.A.14♥♣3=+0
-3.4Round 20🇨🇴 COLOMBIA44♠x♣A-1-12
-3.4Round 20🇨🇴 COLOMBIA112♣♥4=-8
-3.5Round 2🇨🇭 SWITZERLAND63NT♣J=+1
-3.6Round 7🇯🇵 JAPAN184♥♠7-2-6
-3.7Round 1🇩🇪 GERMANY33♥♠6=-1
-3.7Round 9🇹🇷 TURKIYE224♥♦A+1-1
-3.7Round 18🇺🇸 U.S.A.113NT♥J+2-1
-3.7Round 21🇮🇳 INDIA174♥♥3-2+0
-3.8Round 4🇲🇦 MOROCCO23NT♥7-1-10
-4.1Round 17🇮🇱 ISRAEL132NT♥10-3-5
-4.2Round 7🇯🇵 JAPAN152♦♣8=-8
-4.2Round 15🇵🇱 POLAND222♠♠5-3-6
-4.2Round 16🇧🇷 BRAZIL124♥♦A+1-8
-4.2Round 17🇮🇱 ISRAEL233NT♥2-1-6
-4.2Round 23🇸🇪 SWEDEN212♥♦9=-6
-4.7Round 9🇹🇷 TURKIYE215♥x♠Q-3+0
-4.7Round 15🇵🇱 POLAND203♥♠3=+0
-4.7Round 17🇮🇱 ISRAEL194♠♦A-1-6
-4.7Round 20🇨🇴 COLOMBIA34♥♠A+1-1
-4.8Round 18🇺🇸 U.S.A.104♠♥2+1-4
-4.9Round 2🇨🇭 SWITZERLAND102♠♦K-1-5
-4.9Round 7🇯🇵 JAPAN172♠♦8=-5
-5.2Round 1🇩🇪 GERMANY54♥♣J-1-6
-6.0Round 16🇧🇷 BRAZIL33NT♥8-2-7
-6.3Round 21🇮🇳 INDIA203♥♦A-3-5
-6.4Round 15🇵🇱 POLAND146♥♠K-1-11
-6.9Round 23🇸🇪 SWEDEN243NT♠2+1+0
-7.0Round 21🇮🇳 INDIA184♦♦3-1-12
-7.0Round 21🇮🇳 INDIA233♣♠7+3-10
-7.1Round 17🇮🇱 ISRAEL185♦♥A=-11
-7.6Round 4🇲🇦 MOROCCO15♣♥4-3-12
-8.8Round 1🇩🇪 GERMANY103NT♣7-2-8
-9.7Round 11🇳🇱 NETHERLANDS223NT♣10-1-11
-9.9Round 17🇮🇱 ISRAEL225♠♦K-1-12
-10.2Round 1🇩🇪 GERMANY67♥♥6-1-14
-10.4Round 11🇳🇱 NETHERLANDS143♥x♠2=-10
-10.7Round 8🇮🇹 ITALY72♦♠K+2-12
-11.1Round 20🇨🇴 COLOMBIA102♠x♠2-4+7
-11.3Round 21🇮🇳 INDIA227♠♠2-1-14
-11.5Round 8🇮🇹 ITALY113NTx♦4+1-11
-13.3Round 8🇮🇹 ITALY25♦x♥4-3-14