🇨🇳 SHI Zheng Jun · CHINA

45rank
+55.3Butler · 224 bds
+0.25per board
±4.4swing
-0.06vs par /bd · #75/139
+0.12adjusted /bd
Butler per round: 1 21.8 11.7 0.2 7.7 -27.6 3.8 -19.9 -26.9 22 6 30.3 9.6 15.6by round

vs par split: bidding -0.43 · play +0.34

Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted +0.12/bd

Card play — on target: opening leads 87.5% #21 of 139 · declarer play 81.2% #24 of 139 · defence 92.4% #9 of 139

Card play by contract type — on target
vs NTvs a suit
Opening leads73.3% (15)93.9% (33)
Declarer play83.3% (12)80.6% (36)
Defence90.0% (30)93.3% (75)

Opening leads by suit led: ♠ 84.6% (13) · ♥ 92.9% (14) · ♦ 90.0% (10) · ♣ 81.8% (11)

vs par by strain: NT -0.12 (64) · a suit -0.03 (160)

vs par by level: part-score -0.15 (86) · game +0.48 (125) · slam -4.62 (13)

By role: declaring +0.23/bd (-2.31 vs par · 118) · defending +0.27/bd (+2.44 vs par · 106)

By vulnerability: vulnerable -0.26/bd (-0.43 vs par · 112) · not vulnerable +0.76/bd (+0.31 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.JuW.Gawel – R.JagniewskiOpen16+1.0+0.06+1.62
Round 2C.JuC.Varela – A.VillarealOpen16+21.8+1.36+0.75
Round 4C.JuD.Lavee – P.KlimowiczClosed16+11.7+0.73-0.81
Round 5C.JuR.Tolani – A.KhareClosed16+0.2+0.01-2.12
Round 7C.JuM.Ammor – I.ChamarOpen16+7.7+0.48+0.56
Round 9C.JuM.Klukowski – J.KalitaClosed16-27.6-1.73-0.56
Round 10C.JuA.Manno – M.Di FrancoClosed16+3.8+0.24+0.12
Round 12C.JuH.Ghoneim – M.MousaOpen16-19.9-1.24-2.12
Round 14C.JuD.Padon – A.BirmanClosed16-26.9-1.68-2.38
Round 17C.JuG.Guridi – F.NacrurClosed16+22.0+1.38-0.56
Round 18C.JuC.Gower – A.AptekerClosed16+6.0+0.38+0.56
Round 20C.JuM.Toma – R.DiasOpen16+30.3+1.89+2.50
Round 21C.JuA.Bakly – M.FoudaOpen16+9.6+0.60-0.31
Round 23C.JuJ.Ong – J.XuOpen16+15.6+0.97+1.94

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
+12.7Round 2PANAMA215♠♣K-1+17
+11.6Round 7🇲🇦 MOROCCO133NT♣8-2+13
+10.8Round 23🇸🇬 SINGAPORE214♠♣K=+13
+10.7Round 20🇧🇷 BRAZIL36♥♦K-2+13
+10.4Round 12🇦🇪 UAE283NT♦7-1+6
+9.9Round 21🇪🇬 EGYPT176♥♣K=+0
+9.6Round 10🇮🇹 ITALY324♠♥2=+0
+9.5Round 20🇧🇷 BRAZIL142♥♣A+2+11
+8.9Round 21🇪🇬 EGYPT283NT♦5+1+4
+8.7Round 17🇨🇱 CHILE44♠♥4-1+12
+8.0Round 7🇲🇦 MOROCCO163♥♦A-2+11
+7.9Round 2PANAMA173♠♣2-3+7
+7.8Round 20🇧🇷 BRAZIL83NT♣7=+7
+7.3Round 4🇨🇦 CANADA323♠x♥J-4-11
+7.3Round 5🇮🇳 INDIA145♣♠Q+1-11
+7.2Round 1🇵🇱 POLAND74♥♣A+1+10
+7.2Round 4🇨🇦 CANADA254♥♦6-1+10
+7.2Round 21🇪🇬 EGYPT224♦♠6-1+12
+6.9Round 5🇮🇳 INDIA165♥♣Q+1-3
+6.1Round 23🇸🇬 SINGAPORE174♥♠2=+7
+6.0Round 21🇪🇬 EGYPT255♣♦7-1+12
+5.8Round 4🇨🇦 CANADA261NT♠3+2+10
+5.4Round 14🇮🇱 ISRAEL283♥♦9=+0
+5.4Round 23🇸🇬 SINGAPORE294♠♥Q+2+13
+5.0Round 2PANAMA242♥♠A+3+6
+5.0Round 2PANAMA303NT♣2-1+5
+4.8Round 23🇸🇬 SINGAPORE264♥♦7=+9
+4.7Round 12🇦🇪 UAE262NT♥8=+0
+4.7Round 21🇪🇬 EGYPT274♠♥A+1+1
+4.6Round 12🇦🇪 UAE314♠♣3=+0
+4.3Round 1🇵🇱 POLAND24♠♥3-1+10
+4.3Round 4🇨🇦 CANADA294♠♥J-2-8
+4.3Round 17🇨🇱 CHILE14♠♥9-2+5
+4.3Round 21🇪🇬 EGYPT302♠♣J=+0
+4.2Round 9🇨🇭 SWITZERLAND124♥x♣9-3+12
+4.1Round 18🇿🇦 SOUTH AFRICA243♠x♥6-1+5
+4.1Round 20🇧🇷 BRAZIL64♣♣9=+6
+4.0Round 12🇦🇪 UAE253♦♥Q-1+5
+4.0Round 21🇪🇬 EGYPT243NT♣7-1+5
+3.8Round 4🇨🇦 CANADA304♠♣J+1+0
+3.8Round 18🇿🇦 SOUTH AFRICA223NT♦J-2+13
+3.8Round 21🇪🇬 EGYPT204♠♣K=+0
+3.7Round 7🇲🇦 MOROCCO24♥♣J+3+14
+3.7Round 10🇮🇹 ITALY204♥♠K+1+13
+3.7Round 20🇧🇷 BRAZIL54♥♠2-1+10
+3.5Round 1🇵🇱 POLAND57♠x♣-3+9
+3.5Round 20🇧🇷 BRAZIL14♥♦Q+1+8
+3.4Round 1🇵🇱 POLAND143NT♥5=+7
+3.4Round 17🇨🇱 CHILE165♣♥10+1-5
+3.3Round 10🇮🇹 ITALY283♠♣K=+1
+3.3Round 18🇿🇦 SOUTH AFRICA183♥♣5-1+5
+3.3Round 23🇸🇬 SINGAPORE183♥♣K-2+11
+3.0Round 1🇵🇱 POLAND122♠♥A=+0
+2.9Round 10🇮🇹 ITALY304♠♣10+1+11
+2.9Round 17🇨🇱 CHILE23NT♥3+3+13
+2.8Round 9🇨🇭 SWITZERLAND84♠♣A=+3
+2.7Round 1🇵🇱 POLAND41NT♦J+1+0
+2.7Round 9🇨🇭 SWITZERLAND72NT♣7-2+3
+2.6Round 2PANAMA313NT♥2+2+0
+2.5Round 5🇮🇳 INDIA123NT♣6+1+1
+2.5Round 7🇲🇦 MOROCCO64♥♦A+1+0
+2.4Round 1🇵🇱 POLAND114♥♦4=+0
+2.4Round 4🇨🇦 CANADA234♥♠K-2+8
+2.3Round 20🇧🇷 BRAZIL23NT♣9+2+0
+2.2Round 17🇨🇱 CHILE151NT♥6+2-1
+2.1Round 5🇮🇳 INDIA104♥♦J=+0
+2.1Round 18🇿🇦 SOUTH AFRICA273NT♠4-1+10
+2.0Round 10🇮🇹 ITALY251NT♦5+1+1
+2.0Round 17🇨🇱 CHILE103♠♥10-1+5
+2.0Round 23🇸🇬 SINGAPORE302♥x♠9-3+3
+1.9Round 9🇨🇭 SWITZERLAND91NT♠7+3+2
+1.9Round 14🇮🇱 ISRAEL264♥♣Q-1-1
+1.9Round 17🇨🇱 CHILE144♥♦A-3+2
+1.8Round 7🇲🇦 MOROCCO101NT♣6-1+5
+1.7Round 4🇨🇦 CANADA174♠♣Q-1+5
+1.7Round 18🇿🇦 SOUTH AFRICA171NT♥6+3+1
+1.7Round 23🇸🇬 SINGAPORE255♦♠A-1-3
+1.6Round 17🇨🇱 CHILE83♦♥J-3+0
+1.5Round 18🇿🇦 SOUTH AFRICA213NT♣J+2+0
+1.5Round 20🇧🇷 BRAZIL155♣♥6-2+0
+1.4Round 17🇨🇱 CHILE135♦♣6-1-6
+1.4Round 20🇧🇷 BRAZIL111♠♥8+1+6
+1.3Round 7🇲🇦 MOROCCO143♥♠3-1+2
+1.3Round 9🇨🇭 SWITZERLAND14♠x♠A-1+5
+1.3Round 9🇨🇭 SWITZERLAND163NT♠3+1+0
+1.3Round 12🇦🇪 UAE214♠♦J+1+0
+1.3Round 14🇮🇱 ISRAEL213♦♥A+1+1
+1.2Round 18🇿🇦 SOUTH AFRICA303♠♠J=+1
+1.1Round 2PANAMA254♥♣2+1+0
+1.1Round 23🇸🇬 SINGAPORE271NT♥7-3+6
+1.1Round 23🇸🇬 SINGAPORE323♠♣Q=-7
+1.0Round 5🇮🇳 INDIA83♥♠4-3+0
+1.0Round 18🇿🇦 SOUTH AFRICA193NT♥K=+0
+0.9Round 14🇮🇱 ISRAEL324♠♣A+1+0
+0.9Round 17🇨🇱 CHILE66♥♠4+1-13
+0.8Round 5🇮🇳 INDIA14♥♣J+2-11
+0.8Round 14🇮🇱 ISRAEL183♥♣10-2+5
+0.8Round 17🇨🇱 CHILE124♥♣Q=+1
+0.7Round 2PANAMA201♥♠10+2+0
+0.7Round 4🇨🇦 CANADA194♥♥2+1+0
+0.7Round 4🇨🇦 CANADA273♦♠A=+0
+0.7Round 10🇮🇹 ITALY221♠♥A+2+1
+0.7Round 14🇮🇱 ISRAEL244♥♣7-2-5
+0.7Round 20🇧🇷 BRAZIL133NT♠Q+1+0
+0.6Round 7🇲🇦 MOROCCO31♠♦K=+5
+0.5Round 2PANAMA193NT♠5=+1
+0.4Round 2PANAMA293NT♠5+1+0
+0.4Round 7🇲🇦 MOROCCO54NT♠10+2-12
+0.4Round 10🇮🇹 ITALY273♠♠A-1-6
+0.4Round 12🇦🇪 UAE174♠♥J+1+0
+0.4Round 17🇨🇱 CHILE74♣♦5-3-4
+0.3Round 1🇵🇱 POLAND92NT♠4-1-5
+0.3Round 5🇮🇳 INDIA73NT♠9+2+0
+0.3Round 9🇨🇭 SWITZERLAND44♣♦7-1+1
+0.3Round 18🇿🇦 SOUTH AFRICA204♠♣K+2-1
+0.3Round 23🇸🇬 SINGAPORE232♠♥K-1+1
+0.2Round 2PANAMA284♥♠K-2-6
+0.2Round 5🇮🇳 INDIA54♠♣10+1+0
+0.1Round 1🇵🇱 POLAND103NT♥6+1+0
+0.1Round 12🇦🇪 UAE194♠♥K=+0
+0.0Round 2PANAMA224♥♠3=+0
-0.0Round 2PANAMA272♥♠J=+1
+0.0Round 4🇨🇦 CANADA183♦♥K-1+2
+0.0Round 17🇨🇱 CHILE93♦♥7+1+0
-0.1Round 12🇦🇪 UAE233♠♠Q+1-10
-0.1Round 21🇪🇬 EGYPT264♠♦7+1+0
-0.2Round 5🇮🇳 INDIA64♠♣3+1+11
-0.2Round 10🇮🇹 ITALY173NT♠8=+1
-0.2Round 20🇧🇷 BRAZIL73♦♠8=-10
-0.3Round 1🇵🇱 POLAND153♠♥2-2+0
-0.3Round 7🇲🇦 MOROCCO83♥♦6=+0
-0.3Round 18🇿🇦 SOUTH AFRICA313NT♠Q+1+0
-0.4Round 9🇨🇭 SWITZERLAND61NT♥3=+1
-0.5Round 4🇨🇦 CANADA244♠♦5+1+0
-0.5Round 5🇮🇳 INDIA93NT♥8+1-1
-0.5Round 7🇲🇦 MOROCCO73NT♠7=+0
-0.5Round 10🇮🇹 ITALY234♥♦J=-3
-0.5Round 14🇮🇱 ISRAEL292NT♠10-1+0
-0.7Round 2PANAMA181NT♣4=-1
-0.7Round 5🇮🇳 INDIA112♠♦K-1-5
-0.7Round 9🇨🇭 SWITZERLAND143NT♣9-1-5
-0.7Round 18🇿🇦 SOUTH AFRICA322♦♥9-1-10
-0.8Round 1🇵🇱 POLAND163NT♠3+2+12
-0.8Round 4🇨🇦 CANADA223♥♦10=+0
-0.8Round 23🇸🇬 SINGAPORE193NT♠3+2+0
-0.9Round 4🇨🇦 CANADA312♥♦9+1+0
-0.9Round 10🇮🇹 ITALY193♠♦K=+0
-0.9Round 18🇿🇦 SOUTH AFRICA251NT♥10=-5
-1.0Round 7🇲🇦 MOROCCO44♠♦8=+1
-1.0Round 10🇮🇹 ITALY243♥♣10=-1
-1.0Round 12🇦🇪 UAE295♣♠7=+3
-1.0Round 20🇧🇷 BRAZIL44♠♥6+2-13
-1.1Round 7🇲🇦 MOROCCO123NT♥3+1-1
-1.1Round 14🇮🇱 ISRAEL313♠♦10=+0
-1.2Round 17🇨🇱 CHILE115♣♠10=+2
-1.2Round 18🇿🇦 SOUTH AFRICA283NT♠6+1+1
-1.2Round 20🇧🇷 BRAZIL94♠♦9=+0
-1.6Round 9🇨🇭 SWITZERLAND33♠♣7-2+3
-1.6Round 12🇦🇪 UAE243♥♠9=+0
-1.7Round 20🇧🇷 BRAZIL124♥♣Q-3+3
-1.7Round 23🇸🇬 SINGAPORE202♠♥9+1+0
-2.0Round 21🇪🇬 EGYPT314♠♠3+1+0
-2.0Round 21🇪🇬 EGYPT323NT♦3=-3
-2.1Round 2PANAMA262♥♦3-1+0
-2.1Round 17🇨🇱 CHILE34♠♣K-1-6
-2.2Round 4🇨🇦 CANADA212♠♦A-2-5
-2.2Round 18🇿🇦 SOUTH AFRICA294♠♥6-1-12
-2.3Round 10🇮🇹 ITALY186♣♠A=+2
-2.3Round 12🇦🇪 UAE304♣♠8-1-4
-2.3Round 14🇮🇱 ISRAEL254♠♥K+1-10
-2.4Round 5🇮🇳 INDIA42♠♠9-1+0
-2.4Round 10🇮🇹 ITALY313NT♥4-1-5
-2.5Round 9🇨🇭 SWITZERLAND154♥♣2=+0
-2.9Round 1🇵🇱 POLAND13NT♠5=+0
-2.9Round 10🇮🇹 ITALY294♥♦4+1+0
-2.9Round 14🇮🇱 ISRAEL192♦♣Q+3-7
-3.0Round 14🇮🇱 ISRAEL273♣♠K=+0
-3.1Round 12🇦🇪 UAE182♠♠2+1-1
-3.2Round 23🇸🇬 SINGAPORE223NT♥4-2-11
-3.2Round 23🇸🇬 SINGAPORE286♣♦Q-1-12
-3.3Round 7🇲🇦 MOROCCO14♥♣4+2-11
-3.3Round 7🇲🇦 MOROCCO91♣♦A=-5
-3.3Round 10🇮🇹 ITALY263NT♠6-1-6
-3.4Round 14🇮🇱 ISRAEL305♥♣4+1+1
-3.4Round 18🇿🇦 SOUTH AFRICA232♠♥A-1+0
-3.6Round 14🇮🇱 ISRAEL173♥♠A+2-6
-3.8Round 5🇮🇳 INDIA131NT♣4-3-4
-3.9Round 5🇮🇳 INDIA22♠♥6-1+2
-4.0Round 5🇮🇳 INDIA34♠♥3+2-13
-4.1Round 23🇸🇬 SINGAPORE243♥♦A=-1
-4.3Round 18🇿🇦 SOUTH AFRICA264♥♦Q=+1
-4.4Round 1🇵🇱 POLAND31NT♣J+1-1
-4.4Round 1🇵🇱 POLAND133♣♥3-3-9
-4.7Round 20🇧🇷 BRAZIL163NT♦3+1-1
-5.1Round 14🇮🇱 ISRAEL202♠♥6-3-5
-5.2Round 17🇨🇱 CHILE56♣♦Q-1-14
-5.3Round 10🇮🇹 ITALY213NT♠2-2-7
-5.3Round 21🇪🇬 EGYPT185♦♣2=+0
-5.4Round 5🇮🇳 INDIA156♣♦Q=+0
-5.5Round 2PANAMA322♣x♥A-2-8
-5.5Round 21🇪🇬 EGYPT191NT♣A-1-10
-5.9Round 1🇵🇱 POLAND65♣♦A=-7
-6.0Round 2PANAMA231NT♥2-3-10
-6.0Round 7🇲🇦 MOROCCO155♥♠4-2-2
-6.0Round 21🇪🇬 EGYPT214♥♣A=+0
-6.1Round 9🇨🇭 SWITZERLAND133NT♥J=+1
-6.1Round 20🇧🇷 BRAZIL105♣♥K=+0
-6.2Round 21🇪🇬 EGYPT294♠♦3-1-6
-6.5Round 14🇮🇱 ISRAEL233NT♠J=+1
-6.7Round 7🇲🇦 MOROCCO112♠♦A=-11
-6.9Round 9🇨🇭 SWITZERLAND24♠♦4-1-12
-7.0Round 12🇦🇪 UAE273NTx♠4+1-6
-7.2Round 1🇵🇱 POLAND87♥♠5=+0
-7.2Round 9🇨🇭 SWITZERLAND116♣♠K-1-11
-8.0Round 9🇨🇭 SWITZERLAND57♥♥2=+0
-8.0Round 23🇸🇬 SINGAPORE313♥♠5+2+2
-8.2Round 4🇨🇦 CANADA203NT♠6=-10
-8.7Round 9🇨🇭 SWITZERLAND105♣x♣A-2-12
-8.9Round 12🇦🇪 UAE223NTx♠8=-10
-9.5Round 14🇮🇱 ISRAEL225♦x♦A-4-12
-9.6Round 4🇨🇦 CANADA287♦♦5-1-14
-10.1Round 12🇦🇪 UAE323NTx♠A=-3
-11.3Round 12🇦🇪 UAE204♥♦A-3-14
-12.1Round 21🇪🇬 EGYPT236NT♥8-1-20