🇺🇸 ZHU William · USA 2

70rank
-15.0Butler · 196 bds
-0.08per board
±4.6swing
-0.19vs par /bd · #74/115
-0.05adjusted /bd
Butler per round: 2.5 3.4 27.2 -10.9 -14.8 -3 -15.5 -23.2 14 28.1 0.1 -15.2 19.5 -27.2by round

vs par split: bidding -0.47 · play +0.27

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted -0.05/bd

Card play — on target: opening leads 81.7% #38 of 115 · declarer play 78.9% #28 of 115 · defence 81.9% #73 of 115

Card play by contract type — on target
vs NTvs a suit
Opening leads87.5% (16)79.5% (44)
Declarer play75.0% (12)80.8% (26)
Defence83.3% (30)81.3% (75)

Opening leads by suit led: ♠ 77.8% (18) · ♥ 83.3% (12) · ♦ 82.4% (17) · ♣ 84.6% (13)

vs par by strain: NT +1.11 (55) · a suit -0.72 (140)

vs par by level: part-score -1.31 (72) · game +0.31 (109) · slam +1.43 (14)

By role: declaring -0.30/bd (-3.38 vs par · 91) · defending +0.11/bd (+2.57 vs par · 105)

By vulnerability: vulnerable -0.29/bd (+0.01 vs par · 98) · not vulnerable +0.13/bd (-0.40 vs par · 98)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1E.WuB.Ozen – E.AydogduClosed14+2.5+0.18+1.79
Round 2E.WuF.Charignon – C.LaloubeyreClosed14+3.4+0.24-0.64
Round 3E.WuR.Ravichandran – S.KabraClosed14+27.2+1.94+1.43
Round 5E.WuN.Jacob – G.CouttsOpen14-10.9-0.78-2.57
Round 6E.WuM.Klukowski – P.TuczynskiClosed14-14.8-1.06+0.21
Round 9E.WuW.Mamdouh – M.NashaatOpen14-3.0-0.21-0.86
Round 10E.WuD.Lee – R.ChanClosed14-15.5-1.11-1.29
Round 13E.WuA.Kaplan – Z.BrescollOpen14-23.2-1.66-2.29
Round 14E.WuJ.Van Lankveld – R.WesterbeekOpen14+14.0+1.00+0.64
Round 16E.WuM.Moji – K.MoletaClosed14+28.1+2.01+1.43
Round 17E.WuJ.Tsang – E.MacaulayClosed14+0.1+0.01+0.29
Round 18E.WuG.Ho – R.TamClosed14-15.2-1.09-2.21
Round 20E.WuA.Morgiel – V.VikjordClosed14+19.5+1.39+2.93
Round 21E.WuS.Ekenberg – S.HultClosed14-27.2-1.94-1.57

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 16BOTSWANA265♣♣2-1+12
+11.5Round 14🇳🇱 NETHERLANDS253NT♥Q-1+12
+11.0Round 3🇮🇳 INDIA42NTx♥10-3+12
+10.9Round 2🇫🇷 FRANCE264♥♣K=+3
+10.6Round 16BOTSWANA243NT♠10-2+11
+10.6Round 18🇭🇰 CHINA HONG KONG173NT♣5-2+11
+10.0Round 14🇳🇱 NETHERLANDS246♥♠3-1+14
+9.9Round 9🇪🇬 EGYPT53NT♣K-1+12
+8.6Round 5🇳🇿 NEW ZEALAND53NT♦7-3+13
+8.2Round 1🇹🇷 TURKEY33♦♥J-2+7
+7.2Round 16BOTSWANA283♦♥K+1+7
+7.0Round 9🇪🇬 EGYPT42♠♣5+2+1
+6.8Round 20🇩🇪 GERMANY163♣♣8-2+6
+6.8Round 20🇩🇪 GERMANY203NT♦4+2+13
+6.7Round 17🇨🇦 CANADA55♣x♥K-2+3
+6.6Round 3🇮🇳 INDIA63♦♣4+1+7
+6.5Round 17🇨🇦 CANADA73NT♥10-1+12
+6.4Round 5🇳🇿 NEW ZEALAND22♠♥T-1+1
+6.0Round 9🇪🇬 EGYPT116♥♣3=+0
+5.8Round 1🇹🇷 TURKEY61NT♠Q+2+10
+5.7Round 16BOTSWANA192♦♣2=+6
+5.6Round 21🇸🇪 SWEDEN103NT♥Q+1+1
+5.4Round 3🇮🇳 INDIA94♠♦4-1+10
+5.2Round 16BOTSWANA184♥♣4+1+14
+5.0Round 3🇮🇳 INDIA51NTx♥5=+7
+4.7Round 3🇮🇳 INDIA144♥♣A=+11
+4.4Round 2🇫🇷 FRANCE242♥♣K=+6
+4.4Round 13🇺🇸 USA 1114♠♥8=+7
+4.3Round 20🇩🇪 GERMANY234♥♣4-1+12
+4.1Round 20🇩🇪 GERMANY243NT♦4+2+0
+4.0Round 20🇩🇪 GERMANY193NT♥K-1+10
+3.8Round 6🇵🇱 POLAND21Adj.♦2+2
+3.8Round 17🇨🇦 CANADA143♠♥3=+6
+3.7Round 1🇹🇷 TURKEY15♦♦6+1+15
+3.5Round 17🇨🇦 CANADA32NT♥8-2+5
+3.4Round 20🇩🇪 GERMANY276♠♣J-2+11
+3.3Round 3🇮🇳 INDIA13♠♥K=+1
+3.3Round 16BOTSWANA153NT♣6+1+0
+3.3Round 21🇸🇪 SWEDEN43♠♣5+3-10
+3.1Round 13🇺🇸 USA 195♦x♣Q-2+0
+3.0Round 14🇳🇱 NETHERLANDS183♣♣9+1+0
+2.8Round 10🇸🇬 SINGAPORE254♥♣K+2+1
+2.8Round 21🇸🇪 SWEDEN132NT♦J-1+12
+2.7Round 5🇳🇿 NEW ZEALAND14♠♥Q+2+1
+2.5Round 1🇹🇷 TURKEY114♥♠3-1+5
+2.5Round 3🇮🇳 INDIA83NT♦Q-2+6
+2.4Round 18🇭🇰 CHINA HONG KONG184♠♣A+2+11
+2.3Round 5🇳🇿 NEW ZEALAND133NT♠Q-1+6
+2.3Round 14🇳🇱 NETHERLANDS223♣♠Q+1+6
+2.2Round 2🇫🇷 FRANCE254♠♥Q+2+0
+2.2Round 2🇫🇷 FRANCE283NT=-1
+2.2Round 14🇳🇱 NETHERLANDS153NT♥4=-1
+2.0Round 2🇫🇷 FRANCE161NT♠3+3+2
+2.0Round 10🇸🇬 SINGAPORE234♠♥6+2+1
+2.0Round 17🇨🇦 CANADA103NT♥9+2+0
+1.9Round 9🇪🇬 EGYPT142♠♥6+1+0
+1.9Round 10🇸🇬 SINGAPORE174♦♠K=+7
+1.8Round 6🇵🇱 POLAND246♠♠7-1+11
+1.8Round 10🇸🇬 SINGAPORE283♣♥9=+0
+1.7Round 10🇸🇬 SINGAPORE224♥♠A+1+11
+1.6Round 14🇳🇱 NETHERLANDS193NT♦8+2+1
+1.4Round 9🇪🇬 EGYPT22♥♦3-1+2
+1.4Round 16BOTSWANA166♠♣9+1+1
+1.4Round 17🇨🇦 CANADA42♥♦Q-2-10
+1.4Round 21🇸🇪 SWEDEN141NT♦2+2+0
+1.3Round 6🇵🇱 POLAND263NT♠5+1+0
+1.3Round 13🇺🇸 USA 142NT♥8=-1
+1.2Round 6🇵🇱 POLAND164♠♦2-1+9
+1.2Round 20🇩🇪 GERMANY172♦♥J+1-7
+1.2Round 20🇩🇪 GERMANY184♥♣10+1+0
+1.1Round 13🇺🇸 USA 151NT♣A=-2
+1.1Round 16BOTSWANA204♥♦10+2-13
+1.1Round 16BOTSWANA232♥♠A=+6
+1.1Round 17🇨🇦 CANADA114♥♦2+1-11
+1.1Round 17🇨🇦 CANADA131NT♣Q=+2
+1.1Round 18🇭🇰 CHINA HONG KONG243♥x♠Q-2-4
+1.0Round 5🇳🇿 NEW ZEALAND113NT♣6+1+0
+1.0Round 9🇪🇬 EGYPT74NT♥4+2-13
+0.9Round 1🇹🇷 TURKEY85♥♠A+1-1
+0.9Round 2🇫🇷 FRANCE204♥♦T-2+7
+0.9Round 6🇵🇱 POLAND224♠♦Q+1+0
+0.9Round 17🇨🇦 CANADA23♠♥Q=-7
+0.8Round 1🇹🇷 TURKEY144♠♠3-1+4
+0.7Round 1🇹🇷 TURKEY135♣♠K+1+13
+0.7Round 2🇫🇷 FRANCE213NT♦5+1+0
+0.7Round 3🇮🇳 INDIA124♠♣A-1-6
+0.6Round 6🇵🇱 POLAND154♠♦A+1+0
+0.6Round 10🇸🇬 SINGAPORE194♠♥J=+0
+0.6Round 20🇩🇪 GERMANY223NT♠A=+1
+0.5Round 10🇸🇬 SINGAPORE181NT♠5+1+6
+0.3Round 1🇹🇷 TURKEY94♠♣9+1+1
+0.3Round 14🇳🇱 NETHERLANDS274♠♦6=+0
+0.3Round 18🇭🇰 CHINA HONG KONG234♠♣Q+1+0
+0.2Round 1🇹🇷 TURKEY43NT♦5+2+13
+0.2Round 13🇺🇸 USA 186♠♣4+1+11
+0.2Round 20🇩🇪 GERMANY284♥♥2+1+0
+0.1Round 1🇹🇷 TURKEY104♠♣4+2+1
+0.1Round 3🇮🇳 INDIA34♥♠2=+0
-0.0Round 10🇸🇬 SINGAPORE244♠♥K=+0
+0.0Round 13🇺🇸 USA 164♠♣3=-13
+0.0Round 14🇳🇱 NETHERLANDS164♥♣2+1+0
+0.0Round 16BOTSWANA252♠♣A-1+2
+0.0Round 21🇸🇪 SWEDEN73♠♣5=-8
-0.1Round 14🇳🇱 NETHERLANDS233NT♠6=+0
-0.1Round 21🇸🇪 SWEDEN52♠♥A-1-2
-0.3Round 14🇳🇱 NETHERLANDS283NT♠2+2+0
-0.5Round 1🇹🇷 TURKEY126NT♦3+1-13
-0.5Round 9🇪🇬 EGYPT104♠♣5+3+17
-0.6Round 6🇵🇱 POLAND173NT♠K-1+4
-0.6Round 6🇵🇱 POLAND254♠♠8=+1
-0.6Round 18🇭🇰 CHINA HONG KONG284♠♣K=+3
-0.6Round 20🇩🇪 GERMANY154♥♠4+1+0
-0.7Round 9🇪🇬 EGYPT92♥♠5=+0
-0.7Round 10🇸🇬 SINGAPORE164♥♣Q=+0
-0.8Round 6🇵🇱 POLAND273NT♠3+3-11
-0.8Round 16BOTSWANA274♥♠A+1+0
-1.0Round 3🇮🇳 INDIA102♠♦2-2-2
-1.0Round 17🇨🇦 CANADA92♥♣Q+1+0
-1.0Round 18🇭🇰 CHINA HONG KONG194♥♦6+1-11
-1.1Round 5🇳🇿 NEW ZEALAND63NT♦3+1-1
-1.1Round 10🇸🇬 SINGAPORE152♠♥2-1-7
-1.2Round 5🇳🇿 NEW ZEALAND94♠♦4=+0
-1.3Round 9🇪🇬 EGYPT132♥♦5+1-1
-1.3Round 18🇭🇰 CHINA HONG KONG202♠♥10+3+10
-1.3Round 21🇸🇪 SWEDEN82♠♣5+1-1
-1.5Round 3🇮🇳 INDIA115♣♣3+1-11
-1.5Round 3🇮🇳 INDIA133♥♣2=+0
-1.5Round 14🇳🇱 NETHERLANDS174♠♣2+2-11
-1.5Round 18🇭🇰 CHINA HONG KONG163NT♠3+2-14
-1.7Round 2🇫🇷 FRANCE183♥♥5-1-7
-1.7Round 21🇸🇪 SWEDEN124♥♦5+1-1
-1.8Round 2🇫🇷 FRANCE192♠♥Q+2-1
-1.8Round 2🇫🇷 FRANCE234♥♥7=+0
-1.8Round 2🇫🇷 FRANCE272♠♥T-2-7
-1.8Round 13🇺🇸 USA 171NT♠2-2-9
-1.8Round 16BOTSWANA224♦♣9+1-13
-1.9Round 9🇪🇬 EGYPT62♥♣5+1-1
-1.9Round 17🇨🇦 CANADA81NT♥9-3-2
-2.0Round 5🇳🇿 NEW ZEALAND142♥♦8=+0
-2.1Round 2🇫🇷 FRANCE223♦♦4+1+0
-2.1Round 13🇺🇸 USA 112♥♦6+1+0
-2.2Round 18🇭🇰 CHINA HONG KONG213NT♠5=+1
-2.4Round 18🇭🇰 CHINA HONG KONG222♠♦J+1-7
-2.4Round 20🇩🇪 GERMANY263NT♦8+1-1
-2.5Round 5🇳🇿 NEW ZEALAND44♥♠3=-3
-2.5Round 13🇺🇸 USA 1143NT♣7+2-1
-2.8Round 6🇵🇱 POLAND194♠♦A=+0
-2.9Round 10🇸🇬 SINGAPORE275♥♠K-2-5
-3.0Round 18🇭🇰 CHINA HONG KONG254♥♣K=+0
-3.0Round 20🇩🇪 GERMANY214♠♠2+2-2
-3.0Round 21🇸🇪 SWEDEN23♥♥T+3+6
-3.3Round 3🇮🇳 INDIA23NT♦6-2-11
-3.4Round 1🇹🇷 TURKEY22♠♥8=-6
-3.5Round 6🇵🇱 POLAND186♣♠J+1+2
-3.5Round 13🇺🇸 USA 122♠♣8=-11
-3.6Round 10🇸🇬 SINGAPORE214♥♦10-1-10
-3.7Round 5🇳🇿 NEW ZEALAND74♠♣6+2-13
-3.7Round 5🇳🇿 NEW ZEALAND83♥♠2=-6
-3.8Round 13🇺🇸 USA 1103♦♦2=+1
-4.0Round 16BOTSWANA213♣♥A+1+0
-4.0Round 21🇸🇪 SWEDEN117♥♥9=+0
-4.2Round 6🇵🇱 POLAND234♠♥A=+0
-4.3Round 6🇵🇱 POLAND203♣♠A+1-8
-4.3Round 14🇳🇱 NETHERLANDS213NT♠10=+1
-4.7Round 2🇫🇷 FRANCE176♥♥6=+0
-4.7Round 10🇸🇬 SINGAPORE264♥♦9-4-7
-4.7Round 17🇨🇦 CANADA125♦♠7+1+13
-4.8Round 3🇮🇳 INDIA74♠x♦K-3-4
-5.0Round 5🇳🇿 NEW ZEALAND123♠♦4+1-6
-5.0Round 18🇭🇰 CHINA HONG KONG153♥♠J-2-7
-5.1Round 13🇺🇸 USA 1133NT♦6=+1
-5.2Round 14🇳🇱 NETHERLANDS263NT♣4+1-1
-5.3Round 18🇭🇰 CHINA HONG KONG274♥♦9-1-10
-5.5Round 5🇳🇿 NEW ZEALAND103♥♠A+2-10
-5.5Round 14🇳🇱 NETHERLANDS205♦♠2-1-12
-5.7Round 21🇸🇪 SWEDEN94♥♠Q+1+0
-5.8Round 21🇸🇪 SWEDEN13♠♦8=-7
-5.9Round 9🇪🇬 EGYPT83♦♠A-1-9
-5.9Round 9🇪🇬 EGYPT125♥♦10+1-9
-6.0Round 2🇫🇷 FRANCE155♦♥5+1-11
-6.0Round 13🇺🇸 USA 136♣♦K=+0
-6.2Round 9🇪🇬 EGYPT12NT♠6-2-11
-6.8Round 1🇹🇷 TURKEY73NT♦2-1-12
-7.1Round 20🇩🇪 GERMANY255♣x♥2-2-2
-7.2Round 5🇳🇿 NEW ZEALAND32♠♦5+4-18
-7.3Round 18🇭🇰 CHINA HONG KONG262♦♦2-3-14
-7.6Round 6🇵🇱 POLAND283NT♦6=-7
-7.8Round 9🇪🇬 EGYPT36NT♦J=+0
-8.1Round 17🇨🇦 CANADA62♥x♣4-2-3
-8.4Round 21🇸🇪 SWEDEN36♠♦5=-2
-8.5Round 13🇺🇸 USA 1126♠♠4-5-15
-10.0Round 1🇹🇷 TURKEY53NT♣4-1-12
-10.3Round 21🇸🇪 SWEDEN64♠♥9=-10
-11.2Round 17🇨🇦 CANADA15♦x♣Q+1-4
-12.6Round 16BOTSWANA171♠xx♦A-3-13
-13.8Round 10🇸🇬 SINGAPORE204♥xx♦2-2-15