🇨🇳 SHI Zheng Jun · CHINA

29rank
+80.3Butler · 256 bds
+0.31per board
±4.6swing
+0.11vs par /bd · #51/126
+0.09adjusted /bd
Butler per round: -23.7 14.4 -28.8 4.1 4.8 -1.3 -0.2 21.6 16.3 17.4 -19.3 -1.5 7.9 43.1 -2.1 27.6by round

vs par split: bidding -0.17 · play +0.30

Strength of schedule: opponents averaged -0.23/bd (an easy draw) → opponent-adjusted +0.09/bd

Card play — on target: opening leads 75.0% #113 of 126 · declarer play 77.4% #49 of 126 · defence 87.3% #71 of 126

Card play by contract type — on target
vs NTvs a suit
Opening leads60.9% (23)80.3% (61)
Declarer play80.0% (15)76.3% (38)
Defence87.1% (31)87.4% (87)

Opening leads by suit led: ♠ 81.8% (22) · ♥ 71.4% (21) · ♦ 72.2% (18) · ♣ 73.9% (23)

vs par by strain: NT +0.57 (70) · a suit -0.06 (186)

vs par by level: part-score -0.22 (101) · game +0.21 (136) · slam +1.16 (19)

By role: declaring -0.14/bd (-2.31 vs par · 137) · defending +0.83/bd (+2.91 vs par · 119)

By vulnerability: vulnerable +0.55/bd (-0.16 vs par · 128) · not vulnerable +0.08/bd (+0.38 vs par · 128)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.JuM.Rehder – M.GromoellerOpen16-23.7-1.48-1.12
Round 2C.JuM.Ware – G.TislevollClosed16+14.4+0.90+1.81
Round 4C.JuM.Kamil – M.FleisherOpen16-28.8-1.80-1.56
Round 6C.JuM.Nonoo – I.SyedClosed16+4.1+0.26+0.06
Round 7C.JuS.Chokshi – K.VenkataramanClosed16+4.8+0.30+0.81
Round 8C.JuD.Chen – K.FurutaOpen16-1.3-0.08+0.62
Round 10C.JuA.Apteker – C.GowerClosed16-0.2-0.01-2.25
Round 11C.JuM.Toma – D.BrennerClosed16+21.6+1.35+2.38
Round 14C.JuK.Nabil – A.SamirClosed16+16.3+1.02-0.69
Round 15C.JuK.Jassem – M.MazurkiewiczClosed16+17.4+1.09-0.31
Round 16C.JuA.Robson – T.ForresterOpen16-19.3-1.21-0.56
Round 17C.JuR.Aragones – L.SoudanClosed16-1.5-0.09+1.00
Round 18C.JuC.Ho – A.ChaoOpen16+7.9+0.49-0.88
Round 19C.JuG.Alujas – P.RavennaClosed16+43.1+2.69+1.12
Round 20C.JuS.De Wijs – B.MullerClosed16-2.1-0.13-0.25
Round 21C.JuA.Versace – L.LauriaOpen16+27.6+1.73+1.62

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
+15.1Round 11🇧🇷 BRAZIL27♣♦J-1+17
+12.6Round 19🇦🇷 ARGENTINA126NT♥3-1+14
+12.3Round 14🇪🇬 EGYPT216♣♠5=+7
+11.5Round 21🇮🇹 ITALY117♦♥K-1+14
+11.0Round 18🇹🇼 CHINESE TAIPEI322♠x♠2-3+9
+10.5Round 19🇦🇷 ARGENTINA34♠x♦9-1+14
+10.2Round 2🇳🇿 NEW ZEALAND204♠♣10-1+13
+10.1Round 7🇮🇳 INDIA44♥♣2-1+12
+10.0Round 14🇪🇬 EGYPT234♠x♥A=+14
+10.0Round 21🇮🇹 ITALY44♥♥5-1+12
+9.6Round 6🇧🇭 BAHRAIN204♠♠5-2+10
+9.0Round 14🇪🇬 EGYPT193NT♦J+1+0
+8.6Round 15🇵🇱 POLAND93♠♥K+1+10
+8.6Round 19🇦🇷 ARGENTINA24NT♥T=+0
+8.3Round 11🇧🇷 BRAZIL103NT♦5-3+14
+8.1Round 18🇹🇼 CHINESE TAIPEI263NT♥A=+10
+8.0Round 20🇳🇱 NETHERLANDS203NT♦Q-1+12
+7.9Round 10🇿🇦 SOUTH AFRICA243NT♠Q-6+10
+7.9Round 19🇦🇷 ARGENTINA53NT♥J=+0
+7.6Round 2🇳🇿 NEW ZEALAND193NT♣4-2+12
+7.0Round 14🇪🇬 EGYPT316♦♦2=+12
+7.0Round 19🇦🇷 ARGENTINA133NT♦7=+0
+6.9Round 2🇳🇿 NEW ZEALAND317♣♥2-1+17
+6.8Round 11🇧🇷 BRAZIL43♥♠3-2+8
+6.7Round 21🇮🇹 ITALY25♣♦T-1+6
+6.3Round 7🇮🇳 INDIA76♠♦2=+0
+6.2Round 6🇧🇭 BAHRAIN283NT♥5=+6
+6.0Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND242♥x♠K-2+5
+6.0Round 18🇹🇼 CHINESE TAIPEI234♥x♣J-1+2
+5.8Round 15🇵🇱 POLAND114♥♦Q=+0
+5.5Round 21🇮🇹 ITALY33NT♠J-2+8
+5.1Round 7🇮🇳 INDIA26♦♣2=+0
+5.0Round 1🇩🇪 GERMANY163♠♠A+3+1
+4.9Round 14🇪🇬 EGYPT207♦♦2=-2
+4.9Round 18🇹🇼 CHINESE TAIPEI303NT♣5-2+11
+4.7Round 7🇮🇳 INDIA154♠x♥3-1+11
+4.5Round 1🇩🇪 GERMANY134♥♣A-2+9
+4.4Round 1🇩🇪 GERMANY103♦x♠A-1+9
+4.4Round 6🇧🇭 BAHRAIN233♦♥5-3+5
+4.4Round 15🇵🇱 POLAND106♠♥7=+0
+4.3Round 8🇯🇵 JAPAN224♠♥K-2+0
+4.0Round 17🇬🇵 GUADELOUPE72♥♣K=+0
+3.9Round 20🇳🇱 NETHERLANDS254♥♣A=+0
+3.8Round 2🇳🇿 NEW ZEALAND224♥♣4+2+17
+3.8Round 17🇬🇵 GUADELOUPE92♦♠A-2+11
+3.5Round 10🇿🇦 SOUTH AFRICA302♠♦A=+5
+3.5Round 15🇵🇱 POLAND13♥♣7=+7
+3.4Round 11🇧🇷 BRAZIL124♥♠6-1+5
+3.2Round 14🇪🇬 EGYPT294♠♦Q-1+12
+3.1Round 17🇬🇵 GUADELOUPE84♦♥5-2+6
+3.0Round 6🇧🇭 BAHRAIN225♦♣J=-1
+3.0Round 17🇬🇵 GUADELOUPE31NT♦2=-2
+3.0Round 17🇬🇵 GUADELOUPE144♥♥3-1+9
+2.9Round 6🇧🇭 BAHRAIN193♦♥5=+0
+2.9Round 8🇯🇵 JAPAN233NT♠6+1+11
+2.9Round 8🇯🇵 JAPAN303NT♦2+1+1
+2.7Round 15🇵🇱 POLAND53NT♦J-3+7
+2.7Round 15🇵🇱 POLAND142♥♣Q-1-2
+2.6Round 17🇬🇵 GUADELOUPE154♥♠Q-2+6
+2.5Round 18🇹🇼 CHINESE TAIPEI223♠♦5-1+5
+2.4Round 10🇿🇦 SOUTH AFRICA286NT♣9=-13
+2.4Round 20🇳🇱 NETHERLANDS274♠♥T-1+10
+2.3Round 17🇬🇵 GUADELOUPE104♠♣3-1+6
+2.3Round 18🇹🇼 CHINESE TAIPEI183NT♠3=-1
+2.2Round 7🇮🇳 INDIA143NT♠3-2+6
+2.1Round 1🇩🇪 GERMANY71♥♥2+2+0
+2.1Round 18🇹🇼 CHINESE TAIPEI273NT♦2+4-14
+2.1Round 19🇦🇷 ARGENTINA141NT♣7-1-1
+2.0Round 1🇩🇪 GERMANY92♠♦3=-1
+2.0Round 7🇮🇳 INDIA133NT♦3+2+12
+2.0Round 21🇮🇹 ITALY163♠x♠2-2-9
+1.9Round 20🇳🇱 NETHERLANDS322♥♥J=+0
+1.8Round 10🇿🇦 SOUTH AFRICA202♠♥A+1+1
+1.8Round 20🇳🇱 NETHERLANDS233♠♦K-1-1
+1.7Round 1🇩🇪 GERMANY42♥♥3=-1
+1.7Round 4🇺🇸 USA2293♦♣K+1+0
+1.7Round 11🇧🇷 BRAZIL153NT♥3-1+10
+1.7Round 19🇦🇷 ARGENTINA91♥♠6+2+1
+1.7Round 20🇳🇱 NETHERLANDS241NT♥2+2+1
+1.7Round 21🇮🇹 ITALY11♥♠K+2+7
+1.6Round 6🇧🇭 BAHRAIN272♥♠A-1+5
+1.6Round 8🇯🇵 JAPAN254♠♦3+1+0
+1.6Round 15🇵🇱 POLAND83NT♠J+1+0
+1.5Round 4🇺🇸 USA2312♠♦Q=+1
+1.5Round 7🇮🇳 INDIA52♥x♠A-3-3
+1.5Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND274♠♣K=+3
+1.4Round 17🇬🇵 GUADELOUPE22NT♥6+1+6
+1.4Round 21🇮🇹 ITALY71NT♥2+1+1
+1.3Round 4🇺🇸 USA2171NT♠4-1+4
+1.3Round 6🇧🇭 BAHRAIN324♠♣5+2+1
+1.3Round 7🇮🇳 INDIA92♥♥3+2+1
+1.3Round 10🇿🇦 SOUTH AFRICA174♣♠3+1+6
+1.3Round 10🇿🇦 SOUTH AFRICA324NT♠8+1+0
+1.3Round 15🇵🇱 POLAND24♠x♠4-2+0
+1.2Round 21🇮🇹 ITALY63♣♥3+1+0
+1.1Round 11🇧🇷 BRAZIL14♠♣J+2+1
+1.1Round 11🇧🇷 BRAZIL112♠♣7=-1
+1.1Round 19🇦🇷 ARGENTINA43NT♥T+1+0
+1.1Round 21🇮🇹 ITALY93NT♣6+2+0
+1.0Round 1🇩🇪 GERMANY115♦♥A-1+5
+1.0Round 6🇧🇭 BAHRAIN261♠♠5+1+0
+1.0Round 7🇮🇳 INDIA102♥♣A-1+0
+1.0Round 8🇯🇵 JAPAN292♠♥J-1+0
+1.0Round 8🇯🇵 JAPAN312♠♣K+1+0
+1.0Round 19🇦🇷 ARGENTINA82♦♣K+1-1
+0.9Round 2🇳🇿 NEW ZEALAND324♠♦A+1+0
+0.9Round 4🇺🇸 USA2222♠♦6-1+2
+0.9Round 15🇵🇱 POLAND61♠♦A-1+5
+0.8Round 2🇳🇿 NEW ZEALAND292♠♣J-2-9
+0.8Round 10🇿🇦 SOUTH AFRICA215♦♥2+1-10
+0.7Round 7🇮🇳 INDIA33NT♥4+2+13
+0.7Round 8🇯🇵 JAPAN322♥♠9+1+10
+0.7Round 18🇹🇼 CHINESE TAIPEI253♣♥A-1-1
+0.7Round 21🇮🇹 ITALY83NT♦5+2+0
+0.6Round 10🇿🇦 SOUTH AFRICA273♠♥Q-1+2
+0.6Round 18🇹🇼 CHINESE TAIPEI171NT♦6+2-6
+0.6Round 20🇳🇱 NETHERLANDS304♠♣T=+0
+0.5Round 10🇿🇦 SOUTH AFRICA313NT♥J+2+0
+0.5Round 14🇪🇬 EGYPT264♠♥A=+0
+0.5Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND214♥♣A=-1
+0.5Round 20🇳🇱 NETHERLANDS213♣♥7+1+1
+0.4Round 2🇳🇿 NEW ZEALAND281NT♥4=-1
+0.4Round 15🇵🇱 POLAND161NT♠6-2+1
+0.3Round 4🇺🇸 USA2264♠♦K=-1
+0.3Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND292♠♦4-1+1
+0.2Round 1🇩🇪 GERMANY84♥♣K-1-2
+0.2Round 11🇧🇷 BRAZIL53NT♦8=+1
+0.2Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND252♣♠J+1+0
+0.2Round 17🇬🇵 GUADELOUPE112NT♥Q-1+4
+0.1Round 4🇺🇸 USA2251NT♦4-2+1
+0.1Round 8🇯🇵 JAPAN273NT♥4+2+11
+0.1Round 8🇯🇵 JAPAN284♠♦3+1+0
+0.1Round 11🇧🇷 BRAZIL62♠♦4-2+1
+0.1Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND223♦♥A=+0
+0.1Round 17🇬🇵 GUADELOUPE124♠♦J+1+0
+0.0Round 7🇮🇳 INDIA113♠♥K-1-3
+0.0Round 8🇯🇵 JAPAN264♠♣5+1+13
+0.0Round 10🇿🇦 SOUTH AFRICA294♥♣3+1+0
+0.0Round 11🇧🇷 BRAZIL82♥-2-7
-0.0Round 15🇵🇱 POLAND73NT♣6=+1
+0.0Round 15🇵🇱 POLAND134♥♦2+1+0
-0.0Round 19🇦🇷 ARGENTINA62♥♠K+2+1
-0.0Round 20🇳🇱 NETHERLANDS313NT♠4+1+0
+0.0Round 21🇮🇹 ITALY52♠♦2+1-10
-0.1Round 2🇳🇿 NEW ZEALAND183NT♥3+1-1
-0.1Round 6🇧🇭 BAHRAIN303NT♥A+2+1
-0.1Round 18🇹🇼 CHINESE TAIPEI294♥♠A=+1
-0.2Round 10🇿🇦 SOUTH AFRICA263♠♦A+1-1
-0.2Round 15🇵🇱 POLAND44♠♥A+1-4
-0.3Round 1🇩🇪 GERMANY152♥♦Q=+0
-0.3Round 2🇳🇿 NEW ZEALAND173NT♦K+1+0
-0.3Round 18🇹🇼 CHINESE TAIPEI214♥♠3+1+0
-0.4Round 4🇺🇸 USA2245♠♣K+1+11
-0.4Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND303NT♦Q=-1
-0.5Round 11🇧🇷 BRAZIL162♥♠J=-1
-0.5Round 20🇳🇱 NETHERLANDS192♠♣7-1+2
-0.6Round 10🇿🇦 SOUTH AFRICA224♠♥K-1-10
-0.6Round 20🇳🇱 NETHERLANDS222♥♦9=-1
-0.6Round 21🇮🇹 ITALY143♣♥4+2+4
-0.7Round 2🇳🇿 NEW ZEALAND264♥♣5+1+0
-0.7Round 8🇯🇵 JAPAN193NT♣9-1+0
-0.7Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND203♣♠Q+1+0
-0.8Round 4🇺🇸 USA2324♥♣K=+0
-0.8Round 19🇦🇷 ARGENTINA73♦♦6+1-1
-0.8Round 20🇳🇱 NETHERLANDS264♥♥4+1+0
-0.9Round 2🇳🇿 NEW ZEALAND234♠♥2-1-9
-0.9Round 2🇳🇿 NEW ZEALAND274♥♣5+1+0
-0.9Round 21🇮🇹 ITALY154♥♦J+1+0
-1.0Round 1🇩🇪 GERMANY12NT♣7=+0
-1.0Round 1🇩🇪 GERMANY33NT♦3+1-1
-1.0Round 2🇳🇿 NEW ZEALAND253♠♣Q=+0
-1.0Round 7🇮🇳 INDIA62♠♣Q=+0
-1.0Round 15🇵🇱 POLAND31NT♠J+1-7
-1.0Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND322♥♠5+1+0
-1.0Round 19🇦🇷 ARGENTINA154♠♣K=+0
-1.1Round 4🇺🇸 USA2303NT♠6-1-10
-1.1Round 10🇿🇦 SOUTH AFRICA253♥♦J+1+1
-1.1Round 17🇬🇵 GUADELOUPE163NT♠4=+0
-1.2Round 11🇧🇷 BRAZIL93NT♠6=-2
-1.2Round 14🇪🇬 EGYPT185♦x♦5-3-3
-1.2Round 19🇦🇷 ARGENTINA101NT♠6=+1
-1.3Round 6🇧🇭 BAHRAIN252♠♦5+1-1
-1.3Round 17🇬🇵 GUADELOUPE66♦♠J=+2
-1.3Round 19🇦🇷 ARGENTINA11NT♠A+3-6
-1.4Round 4🇺🇸 USA2233♠♠5-1+6
-1.4Round 11🇧🇷 BRAZIL143NT♣4+4+14
-1.4Round 14🇪🇬 EGYPT173NT♠3=-7
-1.4Round 14🇪🇬 EGYPT224♠♥K-2-5
-1.4Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND263NT♠K-1-6
-1.5Round 2🇳🇿 NEW ZEALAND212♠♥4=+0
-1.5Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND174♠♣9=+0
-1.6Round 8🇯🇵 JAPAN212♥♦4-2-3
-1.6Round 17🇬🇵 GUADELOUPE54♠♥J+2-1
-1.6Round 19🇦🇷 ARGENTINA164♥♦A-2+1
-1.7Round 14🇪🇬 EGYPT254♥♦J+2-1
-1.8Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND232♥♣6+1-1
-1.8Round 18🇹🇼 CHINESE TAIPEI202♦x♦Q-3-4
-1.9Round 8🇯🇵 JAPAN203♣♠K-1-6
-1.9Round 11🇧🇷 BRAZIL133♦♠10+1-9
-2.0Round 6🇧🇭 BAHRAIN313♥♥2=+8
-2.1Round 8🇯🇵 JAPAN174♥♣K-2-5
-2.2Round 6🇧🇭 BAHRAIN213♦♠K+2-6
-2.4Round 7🇮🇳 INDIA14♠♦8+2-11
-2.5Round 14🇪🇬 EGYPT324♠♣J+1+0
-2.8Round 4🇺🇸 USA2213♠♥A-1-6
-3.0Round 14🇪🇬 EGYPT274♥♦Q-1-5
-3.0Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND184♥♦2=+0
-3.1Round 18🇹🇼 CHINESE TAIPEI194♠♦J+2-11
-3.2Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND284♥♠Q-2-2
-3.4Round 4🇺🇸 USA2183♥♣A=-6
-3.4Round 6🇧🇭 BAHRAIN183♦♥A=+0
-3.4Round 21🇮🇹 ITALY124♠♦A=-1
-3.5Round 1🇩🇪 GERMANY24♥♠A-2-2
-3.5Round 19🇦🇷 ARGENTINA113♥♠Q-1-5
-3.8Round 10🇿🇦 SOUTH AFRICA192♥♣J+3-2
-4.1Round 4🇺🇸 USA2274♠♦2+1+0
-4.2Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND193NT♥Q=+1
-4.3Round 1🇩🇪 GERMANY144♥♦3-2-11
-4.3Round 21🇮🇹 ITALY105♣♠A=+2
-4.4Round 14🇪🇬 EGYPT242♥♠10+3-6
-4.5Round 10🇿🇦 SOUTH AFRICA184♠♦K-1-12
-4.6Round 8🇯🇵 JAPAN243NT♦Q-1-10
-4.7Round 11🇧🇷 BRAZIL73NT-2-8
-4.9Round 20🇳🇱 NETHERLANDS185♣♥K-1-12
-5.0Round 8🇯🇵 JAPAN184♥♦6-1-12
-5.0Round 20🇳🇱 NETHERLANDS175♦♠A=+1
-5.0Round 21🇮🇹 ITALY132♠♥A-3-8
-5.1Round 20🇳🇱 NETHERLANDS284♥♣A+2-12
-5.2Round 2🇳🇿 NEW ZEALAND246♥♠2=+0
-5.2Round 17🇬🇵 GUADELOUPE42♥♣2+3-10
-5.5Round 6🇧🇭 BAHRAIN174♠x♥5-2-5
-5.6Round 2🇳🇿 NEW ZEALAND304♠♦Q-1-10
-5.7Round 6🇧🇭 BAHRAIN245♠x♣10-3-9
-5.7Round 6🇧🇭 BAHRAIN293NT♦Q-2-13
-5.9Round 4🇺🇸 USA2202NT♦T-2-8
-6.0Round 1🇩🇪 GERMANY125♣x♦A=-8
-6.0Round 20🇳🇱 NETHERLANDS294♠x♦9-3-5
-6.1Round 14🇪🇬 EGYPT286♥♦5+1-13
-6.2Round 15🇵🇱 POLAND125♣x♥K=-13
-6.2Round 17🇬🇵 GUADELOUPE133♣♣9+2-10
-6.5Round 11🇧🇷 BRAZIL35♣x♠J-2-5
-7.0Round 4🇺🇸 USA2284♠♦K-2-8
-7.1Round 15🇵🇱 POLAND151NT♦J+2-10
-7.7Round 4🇺🇸 USA2195♣♠K+1-11
-7.7Round 7🇮🇳 INDIA86♥♥9-2-5
-7.9Round 18🇹🇼 CHINESE TAIPEI245♣x♠2=-10
-8.0Round 18🇹🇼 CHINESE TAIPEI283NT♣2=-7
-8.9Round 14🇪🇬 EGYPT306♥♦Q-1-14
-9.1Round 18🇹🇼 CHINESE TAIPEI317♦♠4=+2
-9.2Round 7🇮🇳 INDIA165♣x♥K-2-9
-9.6Round 17🇬🇵 GUADELOUPE13NT♣Q-1-11
-9.8Round 7🇮🇳 INDIA121NT♣A-3-11
-10.1Round 10🇿🇦 SOUTH AFRICA234♥x♠10-1-13
-10.7Round 16🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND313NTx♣9+2-8
-13.7Round 1🇩🇪 GERMANY66♥x♦4+1+4
-14.8Round 1🇩🇪 GERMANY57♠♥K-1-20