🇺🇸 ZHANG Susan · USA2

55rank
+31.1Butler · 154 bds
+0.20per board
±4.5swing
-0.08vs par /bd · #79/141
-0.05adjusted /bd
Butler per round: -6.2 -10.6 5.4 14.5 21.9 -39.8 -14.3 4.9 5.6 24.7 25by round

vs par split: bidding +0.16 · play -0.24

Strength of schedule: opponents averaged -0.25/bd (an easy draw) → opponent-adjusted -0.05/bd

Card play — on target: opening leads 85.4% #26 of 141 · declarer play 64.7% #127 of 141 · defence 76.2% #134 of 141

Bidding activity — not a pass: 42.8% #73 of 141 (171/400)

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (6)85.7% (35)
Declarer play69.2% (13)61.9% (21)
Defence57.1% (14)80.3% (66)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 78.6% (14) · ♦ 80.0% (10) · ♣ 100.0% (11)

vs par by strain: NT -0.03 (35) · a suit -0.10 (119)

vs par by level: part-score -1.18 (66) · game +0.50 (82) · slam +4.00 (6)

By role: declaring +0.08/bd (-2.51 vs par · 74) · defending +0.31/bd (+2.16 vs par · 80)

By vulnerability: vulnerable +0.04/bd (-0.42 vs par · 77) · not vulnerable +0.36/bd (+0.25 vs par · 77)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.ShiM.Farhani Goncalves – F.TrabelsiClosed14-6.2-0.44+1.07
Round 2S.ShiM.Falk – L.FerreiraClosed14-10.6-0.76-4.07
Round 6S.ShiC.Richardson – A.BougheyOpen14+5.4+0.39-0.14
Round 8S.ShiA.Leleu – M.Kurek BeaulieuClosed14+14.5+1.04-0.14
Round 10S.ShiC.Nunez – J.BelloClosed14+21.9+1.56+1.36
Round 12S.ShiA.Fuglestad – M.HardingClosed14-39.8-2.84-3.57
Round 14S.ShiD.Neumann – J.TuttyOpen14-14.3-1.02-0.50
Round 15S.ShiL.Bilde – H.RasmussenOpen14+4.9+0.35-0.43
Round 19S.ShiR.Bernstein – S.LangClosed14+5.6+0.40+1.21
Round 20S.ShiC.Vandenbossche – M.StasOpen14+24.7+1.76+2.86
Round 22S.ShiR.Saigol – S.RazaOpen14+25.0+1.79+1.43

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
+15.7Round 10🇦🇷 ARGENTINA275♥x♠A-5+14
+12.2Round 19🇿🇦 SOUTH AFRICA94♠♣5+1+1
+12.0Round 8🇫🇷 FRANCE216♠♥A-1+13
+10.4Round 6🇳🇿 NEW ZEALAND243NT♦J-1+10
+9.7Round 14🇦🇺 AUSTRALIA184♥♠9-1+12
+9.6Round 15🇩🇰 DENMARK124♠♦A+2+11
+9.3Round 22🇵🇰 PAKISTAN264♥♦K-1+12
+8.9Round 22🇵🇰 PAKISTAN234♣♠A=+7
+7.7Round 8🇫🇷 FRANCE155♣x♠A-1+5
+7.7Round 8🇫🇷 FRANCE263♥♣2-2+8
+7.7Round 10🇦🇷 ARGENTINA256♥♦8-1+11
+7.7Round 15🇩🇰 DENMARK65♣x♣A=+12
+7.6Round 22🇵🇰 PAKISTAN224♥♠Q=+0
+7.5Round 20🇧🇪 BELGIUM274♠♦Q-2+11
+6.3Round 10🇦🇷 ARGENTINA233NT♣4=+0
+5.8Round 19🇿🇦 SOUTH AFRICA65♠♦K=+8
+5.3Round 15🇩🇰 DENMARK24♥♦Q=+3
+5.0Round 1🇹🇳 TUNISIA53♠♥J+2+6
+5.0Round 10🇦🇷 ARGENTINA174♦♥3-2+6
+4.6Round 22🇵🇰 PAKISTAN242♦♣K+1+0
+4.2Round 22🇵🇰 PAKISTAN193♣♣8=+5
+4.1Round 8🇫🇷 FRANCE203♦♠T-2+7
+4.1Round 10🇦🇷 ARGENTINA245♣♠A-1+5
+3.9Round 20🇧🇪 BELGIUM244♥♠5=+0
+3.8Round 19🇿🇦 SOUTH AFRICA83♥♦6=+7
+3.8Round 20🇧🇪 BELGIUM183♦♠K=-3
+3.6Round 12🇳🇴 NORWAY283♦♦6=-1
+3.2Round 20🇧🇪 BELGIUM163♥♠J-2+5
+3.1Round 20🇧🇪 BELGIUM283NT♠A-1+5
+3.0Round 2🇧🇷 BRAZIL213♥♠Q+1-8
+3.0Round 6🇳🇿 NEW ZEALAND233♦♥Q=-9
+3.0Round 14🇦🇺 AUSTRALIA254♥♦K-1+5
+3.0Round 20🇧🇪 BELGIUM253NT♠5+1+11
+2.9Round 20🇧🇪 BELGIUM223NT♦J=+2
+2.8Round 2🇧🇷 BRAZIL176NT♥6-1+14
+2.6Round 6🇳🇿 NEW ZEALAND165♥♠A=+11
+2.5Round 1🇹🇳 TUNISIA63♦♣A-1+6
+2.5Round 1🇹🇳 TUNISIA131NT♥3+1+6
+2.5Round 20🇧🇪 BELGIUM192♥♣A+1+0
+2.3Round 19🇿🇦 SOUTH AFRICA42♦♣9+1+15
+2.3Round 22🇵🇰 PAKISTAN204♠♣K-1+6
+2.2Round 1🇹🇳 TUNISIA42♥♣T=+6
+2.2Round 1🇹🇳 TUNISIA72♥♦A+2+10
+2.0Round 2🇧🇷 BRAZIL246♠x♥A-3+7
+1.9Round 6🇳🇿 NEW ZEALAND172♠♣7-3+2
+1.9Round 6🇳🇿 NEW ZEALAND222♥♦3-1-2
+1.8Round 6🇳🇿 NEW ZEALAND213NT♥6+1+1
+1.8Round 15🇩🇰 DENMARK144♠♥6+1+0
+1.7Round 2🇧🇷 BRAZIL223NT♥5+2-11
+1.7Round 15🇩🇰 DENMARK54♥♦Q=+0
+1.3Round 22🇵🇰 PAKISTAN284♥♣T-2-1
+1.2Round 10🇦🇷 ARGENTINA214♠♦8=+0
+1.1Round 20🇧🇪 BELGIUM213NT♠9+1+13
+1.0Round 2🇧🇷 BRAZIL263NT♦J+1+0
+1.0Round 14🇦🇺 AUSTRALIA153NT♠7+2+1
+1.0Round 14🇦🇺 AUSTRALIA243♠♥A-2-1
+0.9Round 2🇧🇷 BRAZIL274♠♥6+1+0
+0.9Round 14🇦🇺 AUSTRALIA222♠♥T+1+0
+0.8Round 19🇿🇦 SOUTH AFRICA145♥♠3-2+0
+0.8Round 22🇵🇰 PAKISTAN214♠♥Q+1+0
+0.7Round 19🇿🇦 SOUTH AFRICA23NT♠9+2+1
+0.7Round 22🇵🇰 PAKISTAN154♥♣J=+1
+0.6Round 1🇹🇳 TUNISIA94♠x♥A-2-10
+0.6Round 6🇳🇿 NEW ZEALAND192♠x♣K-1-2
+0.6Round 8🇫🇷 FRANCE234♠♣7+1+0
+0.6Round 15🇩🇰 DENMARK14♥♦A=+1
+0.6Round 20🇧🇪 BELGIUM173NT♦4+2+11
+0.5Round 14🇦🇺 AUSTRALIA233NT♦5+2+0
+0.4Round 2🇧🇷 BRAZIL193NT♥2+3-11
+0.4Round 10🇦🇷 ARGENTINA263NT♣9+1+0
+0.3Round 8🇫🇷 FRANCE223NT♠T=+1
+0.3Round 14🇦🇺 AUSTRALIA203NT♠6+1+4
+0.2Round 2🇧🇷 BRAZIL251NT♠8-1+2
+0.2Round 8🇫🇷 FRANCE183♦♥A+1+0
+0.2Round 12🇳🇴 NORWAY224♠♦7=+1
+0.1Round 14🇦🇺 AUSTRALIA282♥♦5=-1
+0.1Round 15🇩🇰 DENMARK104♠♦3+1+0
+0.1Round 22🇵🇰 PAKISTAN254♥♦A=-1
+0.1Round 22🇵🇰 PAKISTAN272♠♣K+3-6
+0.0Round 1🇹🇳 TUNISIA104♥♠T=+0
-0.0Round 8🇫🇷 FRANCE252♠♣4-2-1
+0.0Round 8🇫🇷 FRANCE283♣♦8-1+0
-0.1Round 6🇳🇿 NEW ZEALAND153♠♥A+1-6
-0.1Round 12🇳🇴 NORWAY174♠♥Q+1+0
-0.1Round 19🇿🇦 SOUTH AFRICA125♣♠7=+11
-0.2Round 10🇦🇷 ARGENTINA164♠♥J+2+11
-0.3Round 20🇧🇪 BELGIUM202♥♠6+3-10
-0.4Round 1🇹🇳 TUNISIA35♦♥Q+1+10
-0.5Round 12🇳🇴 NORWAY204♠♥5+1+13
-0.5Round 19🇿🇦 SOUTH AFRICA134♠♥3+1+0
-0.5Round 20🇧🇪 BELGIUM233NT♠6+2+0
-0.6Round 15🇩🇰 DENMARK113♣♥3+1-5
-0.7Round 1🇹🇳 TUNISIA113NT♣4+2-1
-0.7Round 19🇿🇦 SOUTH AFRICA73♦♣K+1+10
-0.8Round 12🇳🇴 NORWAY162♥x♣A-3-4
-1.0Round 8🇫🇷 FRANCE243♥♦A-1-4
-1.0Round 14🇦🇺 AUSTRALIA162♥♣A-2-1
-1.1Round 2🇧🇷 BRAZIL184♥♠6+2-13
-1.2Round 10🇦🇷 ARGENTINA155♥♦A+1-8
-1.3Round 1🇹🇳 TUNISIA13♥♥9=-1
-1.3Round 6🇳🇿 NEW ZEALAND204♠♥3=-1
-1.3Round 8🇫🇷 FRANCE172♠♦K+2-2
-1.3Round 12🇳🇴 NORWAY253NT♥5+2+0
-1.3Round 15🇩🇰 DENMARK31NT♠7-2+1
-1.3Round 19🇿🇦 SOUTH AFRICA113♥♠2+2-2
-1.4Round 10🇦🇷 ARGENTINA282♠♣5+1+0
-1.4Round 12🇳🇴 NORWAY153NT♣3-2+0
-1.5Round 6🇳🇿 NEW ZEALAND253NT♣8+2-1
-1.7Round 2🇧🇷 BRAZIL231NT♣J=-1
-1.7Round 8🇫🇷 FRANCE271NT♠5-2-8
-1.7Round 20🇧🇪 BELGIUM264♠♣7+1+0
-1.7Round 22🇵🇰 PAKISTAN163♣♥K+1+10
-2.2Round 14🇦🇺 AUSTRALIA214♠♦J+1-1
-2.4Round 1🇹🇳 TUNISIA25♦♥Q=+0
-2.4Round 2🇧🇷 BRAZIL283♥♠Q-1+0
-2.4Round 15🇩🇰 DENMARK93♥♦9=+0
-2.5Round 2🇧🇷 BRAZIL153NT♦6+4-12
-2.5Round 15🇩🇰 DENMARK41NT♦A-2-3
-2.6Round 14🇦🇺 AUSTRALIA272♠♣3+2-1
-2.7Round 10🇦🇷 ARGENTINA194♠♥5=-11
-2.8Round 6🇳🇿 NEW ZEALAND263♥♠6-1+0
-2.8Round 19🇿🇦 SOUTH AFRICA14♥♥3=+0
-2.9Round 19🇿🇦 SOUTH AFRICA104♠♥K+2-17
-3.0Round 1🇹🇳 TUNISIA124♠♦J+1-1
-3.2Round 12🇳🇴 NORWAY246♥♣K+1-11
-3.3Round 2🇧🇷 BRAZIL202♦♠6+2-11
-3.4Round 6🇳🇿 NEW ZEALAND283NT♠6=+1
-3.4Round 10🇦🇷 ARGENTINA183♦♥A-1+2
-3.6Round 12🇳🇴 NORWAY212♥♣2+1+0
-3.7Round 10🇦🇷 ARGENTINA204♠♥A=+0
-3.8Round 6🇳🇿 NEW ZEALAND182♠♣K-1-4
-3.8Round 12🇳🇴 NORWAY263♣♣2=-6
-3.9Round 6🇳🇿 NEW ZEALAND272♥♦A+1-2
-4.2Round 15🇩🇰 DENMARK81NT♣5=-6
-4.3Round 14🇦🇺 AUSTRALIA264♠♥T=+0
-4.3Round 15🇩🇰 DENMARK132NT♣9-2-8
-4.3Round 19🇿🇦 SOUTH AFRICA54♦♦K-2-5
-4.4Round 20🇧🇪 BELGIUM154♥♠K-1-5
-4.7Round 12🇳🇴 NORWAY272♥♠Q+4-13
-5.6Round 22🇵🇰 PAKISTAN174♥♦A=+0
-5.7Round 1🇹🇳 TUNISIA142♥♠A+2-6
-5.9Round 10🇦🇷 ARGENTINA221♠♣4+2-11
-6.1Round 12🇳🇴 NORWAY233♠♥2=-7
-6.6Round 15🇩🇰 DENMARK73♣♥2=-12
-6.8Round 8🇫🇷 FRANCE195♦x♣5-2-8
-7.3Round 8🇫🇷 FRANCE163NT♥3-2-13
-7.3Round 12🇳🇴 NORWAY186♦♠A-1-10
-7.4Round 19🇿🇦 SOUTH AFRICA34♠♥J-1-12
-7.6Round 22🇵🇰 PAKISTAN184♠♥K-1-13
-7.7Round 1🇹🇳 TUNISIA83NT♣8-1-10
-8.4Round 14🇦🇺 AUSTRALIA175♣♠A=-11
-10.8Round 12🇳🇴 NORWAY195♠♥K-1-12
-11.6Round 2🇧🇷 BRAZIL162♠x♥A=-13
-12.3Round 14🇦🇺 AUSTRALIA192♠♦4=-13