🇺🇸 ZHANG Susan · U.S.A.

141rank
-57.0Butler · 130 bds
-0.44per board
±3.9swing
-0.12vs par /bd · #101/165
-0.75adjusted /bd
Butler per round: 7.9 4.5 7.9 -4.3 -15.5 3.5 3.9 -17.1 0.9 -14 -5.9 -18.1 -10.7by round

vs par split: bidding -0.33 · play +0.18

Strength of schedule: opponents averaged -0.32/bd (an easy draw) → opponent-adjusted -0.75/bd

Card play — on target: opening leads 89.3% #10 of 165 · declarer play 81.2% #37 of 165 · defence 86.4% #58 of 165

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (6)90.9% (22)
Declarer play87.5% (8)79.2% (24)
Defence84.6% (13)87.0% (46)

Opening leads by suit led: ♠ 100.0% (9) · ♥ 77.8% (9) · ♦ 83.3% (6) · ♣ 100.0% (4)

vs par by strain: NT -0.88 (33) · a suit +0.10 (96)

vs par by level: part-score -0.16 (49) · game -0.17 (72) · slam +0.12 (8)

By role: declaring +0.00/bd (-1.31 vs par · 70) · defending -0.95/bd (+1.27 vs par · 60)

By vulnerability: vulnerable -1.03/bd (-1.38 vs par · 63) · not vulnerable +0.12/bd (+1.06 vs par · 67)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1E.WoldG.Nabil – A.TaziOpen10+7.9+0.79+1.60
Round 2E.WoldM.Rudzinski – M.MoloneyOpen10+4.5+0.45+0.20
Round 7E.WoldF.Danielsen – N.BekkoucheOpen10+7.9+0.79+1.00
Round 8E.WoldC.Pellegrini – S.RoccaClosed10-4.3-0.43+0.20
Round 10E.WoldM.Gamble – K.FungOpen10-15.5-1.55+0.30
Round 11E.WoldP.Gumby – W.LazerOpen10+3.5+0.35+2.00
Round 14E.WoldC.Stanton – D.KeetClosed10+3.9+0.39-0.10
Round 17E.WoldC.Hoyos – D.BernalClosed10-17.1-1.71-0.40
Round 18E.WoldA.Vidigal – R.DiasClosed10+0.9+0.09-1.20
Round 21E.WoldG.Rubio – A.ZemanClosed10-14.0-1.40-0.30
Round 24E.WoldK.Mezei – L.HontiClosed10-5.9-0.59-2.00
Round 26E.WoldH.Ozgur – T.OzbayOpen10-18.1-1.81-1.20
Round 28E.WoldA.Martorell – A.WasikOpen10-10.7-1.07-1.70

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
+8.4Round 14🇿🇦 SOUTH AFRICA114♠♥K=+7
+8.4Round 21🇨🇱 CHILE235♦x♥A-4+10
+7.7Round 7🇩🇰 DENMARK26♦♣A=+0
+7.0Round 8🇦🇷 ARGENTINA175♦x♣J-1+16
+6.5Round 18🇧🇷 BRAZIL273NT♥4-1+11
+6.0Round 2🇮🇪 IRELAND184♥♣3=+7
+5.7Round 8🇦🇷 ARGENTINA194NT♦5+1+0
+5.4Round 7🇩🇰 DENMARK13♦♥6+1+7
+4.5Round 1🇲🇦 MOROCCO34♥♣K=+3
+4.5Round 1🇲🇦 MOROCCO56♠♦3=+2
+4.5Round 11🇦🇺 AUSTRALIA113♣♣A=+6
+4.5Round 14🇿🇦 SOUTH AFRICA163NT♥8+1+1
+4.3Round 8🇦🇷 ARGENTINA143NT♦3+1+0
+3.9Round 24🇭🇺 HUNGARY222♥♠2=+5
+3.4Round 1🇲🇦 MOROCCO23♠♥10-2+7
+3.4Round 11🇦🇺 AUSTRALIA204♥♣10-2+8
+3.3Round 10🇨🇦 CANADA83NT♠8=+0
+3.3Round 28🇪🇸 SPAIN63NT♥Q-1+10
+3.2Round 2🇮🇪 IRELAND174♠♠10-2+0
+3.2Round 7🇩🇰 DENMARK93NT♠10=+0
+3.2Round 26🇹🇷 TURKIYE133NT♦5=-13
+3.1Round 7🇩🇰 DENMARK44♦♦2=+9
+3.1Round 11🇦🇺 AUSTRALIA182♠♥7-1+5
+3.1Round 17🇨🇴 COLOMBIA154♠♦2-1+6
+3.0Round 14🇿🇦 SOUTH AFRICA194♠♣2=+0
+3.0Round 24🇭🇺 HUNGARY243♠♥5-2-7
+2.9Round 18🇧🇷 BRAZIL212♥♠J+1+6
+2.7Round 24🇭🇺 HUNGARY255♦♥10=+0
+2.7Round 26🇹🇷 TURKIYE154♠♦9-1+12
+2.5Round 11🇦🇺 AUSTRALIA153♣♠Q-1+5
+2.4Round 28🇪🇸 SPAIN54♠♥8-2-6
+2.3Round 18🇧🇷 BRAZIL263NT♦J-1-6
+2.2Round 24🇭🇺 HUNGARY301NT♠9=+6
+2.2Round 28🇪🇸 SPAIN103♠♦5=+8
+2.1Round 10🇨🇦 CANADA51NT♥3+1+0
+1.9Round 2🇮🇪 IRELAND202♥♦7+1+0
+1.8Round 24🇭🇺 HUNGARY264♥♦3-1-1
+1.7Round 2🇮🇪 IRELAND124♠♠6+3+2
+1.6Round 7🇩🇰 DENMARK73NT♦J+2+1
+1.6Round 14🇿🇦 SOUTH AFRICA204♥♣A=+0
+1.5Round 1🇲🇦 MOROCCO74♠♦K+1+1
+1.4Round 10🇨🇦 CANADA24♥♦K=+0
+1.1Round 21🇨🇱 CHILE304♥♣2+2+1
+1.0Round 1🇲🇦 MOROCCO103NT♦5+2+0
+0.9Round 14🇿🇦 SOUTH AFRICA122♠♥8+1+0
+0.9Round 26🇹🇷 TURKIYE173♥♣8-1-4
+0.8Round 24🇭🇺 HUNGARY211♠♥K=+5
+0.7Round 1🇲🇦 MOROCCO14♥♠A-1+10
+0.7Round 8🇦🇷 ARGENTINA15Pass+3
+0.7Round 8🇦🇷 ARGENTINA203NT♥8+2+0
+0.6Round 11🇦🇺 AUSTRALIA132♥♠9+1+10
+0.6Round 28🇪🇸 SPAIN94♥x♠A-1+6
+0.5Round 24🇭🇺 HUNGARY293NT♣10=-1
+0.4Round 2🇮🇪 IRELAND116♠x♥A-3+0
+0.4Round 11🇦🇺 AUSTRALIA142♥♦10=-1
+0.4Round 18🇧🇷 BRAZIL284♠♦K+2-11
+0.3Round 2🇮🇪 IRELAND194♥♦10=-1
+0.3Round 7🇩🇰 DENMARK84♥♠A+2+11
+0.3Round 17🇨🇴 COLOMBIA183NT♠6+2+0
+0.2Round 18🇧🇷 BRAZIL304♠♦2+2-11
+0.1Round 14🇿🇦 SOUTH AFRICA181NT♥2-1+3
-0.0Round 17🇨🇴 COLOMBIA123NT♠10=-2
-0.0Round 28🇪🇸 SPAIN12♠♦7-1-1
-0.0Round 28🇪🇸 SPAIN44♥♦K+1+0
-0.1Round 10🇨🇦 CANADA64♠♦K+1+0
-0.2Round 10🇨🇦 CANADA92♣♦K-2-1
-0.2Round 18🇧🇷 BRAZIL253NT♠5+1+10
-0.3Round 17🇨🇴 COLOMBIA172♠♥6=+0
-0.3Round 21🇨🇱 CHILE274♥♦J+1+11
-0.4Round 11🇦🇺 AUSTRALIA164♠♠J+1+0
-0.6Round 2🇮🇪 IRELAND152♠♣Q-1+11
-0.6Round 7🇩🇰 DENMARK64♥♠7=+0
-0.6Round 8🇦🇷 ARGENTINA113♥♠J+1-1
-0.6Round 18🇧🇷 BRAZIL221♥♠10+1+0
-0.7Round 14🇿🇦 SOUTH AFRICA144♠♥4-1-2
-0.7Round 14🇿🇦 SOUTH AFRICA154♣♦5-1+2
-0.7Round 21🇨🇱 CHILE266♦♥6+1+2
-0.8Round 1🇲🇦 MOROCCO64♥♣2=+0
-0.8Round 26🇹🇷 TURKIYE161NT♠3+1-1
-1.1Round 7🇩🇰 DENMARK103NT♦2+2-1
-1.1Round 14🇿🇦 SOUTH AFRICA172NT♠2=+0
-1.1Round 17🇨🇴 COLOMBIA161NT♥2-3-11
-1.1Round 21🇨🇱 CHILE224♥♣A+1+0
-1.4Round 10🇨🇦 CANADA43♣♦A+3-8
-1.4Round 17🇨🇴 COLOMBIA194♠♥K-1+8
-1.7Round 10🇨🇦 CANADA102♥♠5+1-8
-1.7Round 28🇪🇸 SPAIN21NT♥Q-1-5
-1.8Round 1🇲🇦 MOROCCO83NT♥9+2-1
-1.9Round 11🇦🇺 AUSTRALIA122♠♦A-2+0
-1.9Round 21🇨🇱 CHILE255♥x♣5-2-8
-2.1Round 1🇲🇦 MOROCCO92♠♥3=+1
-2.1Round 26🇹🇷 TURKIYE144♠♠9+1-1
-2.2Round 17🇨🇴 COLOMBIA133NT♠6+1+0
-2.2Round 26🇹🇷 TURKIYE121♥♦J+2+10
-2.2Round 26🇹🇷 TURKIYE183NT♠A=+1
-2.3Round 26🇹🇷 TURKIYE202♥♦3-1+0
-2.5Round 2🇮🇪 IRELAND134♥♦5+1-12
-2.6Round 11🇦🇺 AUSTRALIA172♥♥10-1-8
-2.6Round 18🇧🇷 BRAZIL293♠♥7=+0
-2.7Round 2🇮🇪 IRELAND161♥♦5=-5
-2.9Round 21🇨🇱 CHILE242♥♦K-2+0
-3.0Round 1🇲🇦 MOROCCO44♠♥10-2-7
-3.0Round 8🇦🇷 ARGENTINA184♥♦2=+0
-3.0Round 18🇧🇷 BRAZIL243♠♣J-2+0
-3.1Round 8🇦🇷 ARGENTINA132♥♥3-1-5
-3.2Round 2🇮🇪 IRELAND146♥♦7=+0
-3.4Round 17🇨🇴 COLOMBIA141NT♣6=-5
-3.6Round 24🇭🇺 HUNGARY272♦♠8=-5
-3.9Round 28🇪🇸 SPAIN84♣♠A=-6
-4.3Round 7🇩🇰 DENMARK53♣♥9+1-7
-4.4Round 8🇦🇷 ARGENTINA123NT♣6+1+1
-4.6Round 10🇨🇦 CANADA34♠♣3+1+11
-4.6Round 21🇨🇱 CHILE294♠♣5-2-8
-4.7Round 10🇨🇦 CANADA16♦♣J=+12
-5.0Round 18🇧🇷 BRAZIL232NT♥7=-11
-5.1Round 17🇨🇴 COLOMBIA116♠♦8=+0
-5.5Round 21🇨🇱 CHILE213NT♥5+2-1
-5.7Round 28🇪🇸 SPAIN74♥♠2-2-8
-5.9Round 26🇹🇷 TURKIYE194♠♦5-1-5
-6.1Round 11🇦🇺 AUSTRALIA192NT♦4-3-5
-6.5Round 21🇨🇱 CHILE283NT♥5=-10
-7.0Round 17🇨🇴 COLOMBIA205♣♠K=+0
-7.4Round 7🇩🇰 DENMARK34♠♦K-4-10
-7.9Round 28🇪🇸 SPAIN36♦♣5-1-15
-8.4Round 24🇭🇺 HUNGARY234♥♦A=-13
-8.8Round 24🇭🇺 HUNGARY284♦x♣A-3-9
-9.4Round 26🇹🇷 TURKIYE114♥x♥K-3-11
-9.6Round 10🇨🇦 CANADA75♦♣4=-3
-11.6Round 8🇦🇷 ARGENTINA165♠♥Q-1-12
-12.1Round 14🇿🇦 SOUTH AFRICA134♠♥A-1-12