🇨🇳 JIANG Baozhuo · CHINA

15rank
+166.0Butler · 228 bds
+0.73per board
±5.1swing
+0.69vs par /bd · #26/134
+0.62adjusted /bd
Butler per round: 53.6 -0.3 4.5 -15.3 13.1 23.1 7.5 63.5 -10.2 -17.1 10.3 -4.5 -10.9 12.9 27.7 -9.7 4.7 6.5 6.6by round

vs par split: bidding +0.26 · play +0.38

Strength of schedule: opponents averaged -0.11/bd (an easy draw) → opponent-adjusted +0.62/bd

Card play — on target: opening leads 74.1% #116 of 134 · declarer play 79.3% #45 of 134 · defence 90.0% #4 of 134

Bidding activity — not a pass: 46.1% #34 of 134 (301/653)

Card play by contract type — on target
vs NTvs a suit
Opening leads61.1% (18)80.0% (40)
Declarer play84.6% (13)77.8% (45)
Defence88.2% (34)90.8% (76)

Opening leads by suit led: ♠ 73.3% (15) · ♥ 62.5% (16) · ♦ 84.6% (13) · ♣ 78.6% (14)

vs par by strain: NT -0.12 (73) · a suit +1.01 (154)

vs par by level: part-score +0.34 (93) · game +0.57 (114) · slam +2.45 (20)

By role: declaring +0.61/bd (-1.44 vs par · 117) · defending +0.82/bd (+2.86 vs par · 110)

By vulnerability: vulnerable +0.91/bd (+0.05 vs par · 114) · not vulnerable +0.55/bd (+1.33 vs par · 114)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.WenC.Hui – Y.PoonOpen12+53.6+4.47+5.50
Round 2Y.WenS.Langdon-Macmillan – T.LibmanClosed12-0.3-0.02-1.67
Round 4Y.WenC.Feintuch – T.PopowskyClosed12+4.5+0.38+0.92
Round 5Y.WenL.Vornkahl – S.JesseOpen12-15.3-1.28+0.58
Round 6Y.WenM.Kalayci – H.CobanOpen12+13.1+1.09-4.67
Round 7Y.WenA.Zamir – O.ToledanoClosed12+23.1+1.93+1.08
Round 9Y.WenF.Kritsalis – P.SkordasClosed12+7.5+0.62+3.17
Round 10Y.WenP.Nicholls – R.LordeOpen12+63.5+5.29+7.33
Round 11Y.WenN.Yamamoto – Y.SongClosed12-10.2-0.85-0.50
Round 13Y.Wen? – ?Closed12-17.1-1.43-4.42
Round 14Y.WenB.Kristensen – K.RosenbergClosed12+10.3+0.86+1.08
Round 16Y.WenM.Fragola – N.TabataClosed12-4.5-0.38+1.08
Round 17Y.WenC.Duffie – Q.WanClosed12-10.9-0.91-1.17
Round 18Y.WenACHARYA SHUBHAM – A.PrakashClosed12+12.9+1.07+1.92
Round 19Y.WenA.Sandin – S.ClementssonOpen12+27.7+2.31+2.33
Round 20Y.WenJ.Bazyluk – T.KielbasaClosed12-9.7-0.81-2.58
Round 21Y.WenD.Winter – S.AnoyrkatisOpen12+4.7+0.39+0.67
Round 22Y.WenR.Maide – J.KaasikOpen12+6.5+0.54+2.75
Round 23Y.WenL.Lee – B.YangClosed12+6.6+0.55-0.25

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
+15.8Round 16🇫🇷 FRANCE227♣♠K-1+18
+14.0Round 6🇹🇷 TURKIYE157NT♠8=+0
+12.2Round 1🇭🇰 HONG KONG CHINA47♥♠5-1+15
+11.7Round 22🇪🇪 ESTONIA184♠♦A-1+12
+11.6Round 19🇸🇪 SWEDEN74♥x♦K=+7
+11.0Round 22🇪🇪 ESTONIA145♣x♦A=+10
+10.8Round 1🇭🇰 HONG KONG CHINA116NT♥9-2+14
+10.8Round 4🇦🇷 ARGENTINA216♠x♣T=+16
+10.7Round 18🇮🇳 INDIA136♠♠8=+0
+10.6Round 10🇧🇧 BARBADOS133NT♠8=+10
+10.5Round 22🇪🇪 ESTONIA214♣♠K+2+15
+10.3Round 14🇺🇸 USA1236♣♥5-2+13
+10.0Round 2🇦🇺 AUSTRALIA133NT♦3-1+12
+9.7Round 10🇧🇧 BARBADOS153♣♥5+2+11
+9.4Round 14🇺🇸 USA1206♥♥2=+0
+9.4Round 18🇮🇳 INDIA224♠x♣T=+12
+9.2Round 1🇭🇰 HONG KONG CHINA84♠♥J-1+10
+9.0Round 19🇸🇪 SWEDEN14♠x♦6-1+11
+8.2Round 10🇧🇧 BARBADOS162♦x♠A-3+9
+7.6Round 18🇮🇳 INDIA186♦♥3-1+10
+7.3Round 5🇩🇪 GERMANY75♣x♥A-2+8
+6.9Round 10🇧🇧 BARBADOS193NT♠6+4+6
+6.8Round 10🇧🇧 BARBADOS185♦♥A-2+9
+6.7Round 23🇸🇬 SINGAPORE95♥♠K=+8
+6.4Round 7🇮🇱 ISRAEL123NT♦2-3+9
+6.3Round 9🇬🇷 GREECE45♠x♦A-1+7
+6.3Round 19🇸🇪 SWEDEN103NT♠2-2+8
+5.9Round 18🇮🇳 INDIA156♦♠J=+7
+5.9Round 20🇵🇱 POLAND143NT♥T=+7
+5.7Round 1🇭🇰 HONG KONG CHINA34♥♥5-3+5
+5.7Round 7🇮🇱 ISRAEL53♥♣7-1+10
+5.4Round 20🇵🇱 POLAND213NT♦K=+0
+5.2Round 10🇧🇧 BARBADOS222♣♥K=+6
+5.2Round 16🇫🇷 FRANCE144♠♦K=+0
+5.2Round 19🇸🇪 SWEDEN55♣♥6=-2
+5.0Round 7🇮🇱 ISRAEL74♠♥T-1+6
+4.9Round 11🇯🇵 JAPAN93NT♦3=-1
+4.6Round 18🇮🇳 INDIA214♠♣J-2+6
+4.4Round 14🇺🇸 USA1244♥♠A=+0
+4.4Round 20🇵🇱 POLAND153♣♥T-4+3
+4.3Round 9🇬🇷 GREECE122NT♠4=+1
+4.3Round 10🇧🇧 BARBADOS21Pass+12
+4.3Round 19🇸🇪 SWEDEN123NT♣Q-3+6
+4.3Round 22🇪🇪 ESTONIA132♠♦K=+5
+4.3Round 23🇸🇬 SINGAPORE33♠x♣A-1+0
+4.1Round 1🇭🇰 HONG KONG CHINA123NT♦K-2+5
+4.0Round 1🇭🇰 HONG KONG CHINA14♠♣K=+11
+4.0Round 7🇮🇱 ISRAEL23NT♥6-1+6
+4.0Round 10🇧🇧 BARBADOS144♠♦Q-1+8
+4.0Round 23🇸🇬 SINGAPORE23♥♣K-1+2
+3.8Round 7🇮🇱 ISRAEL44♥x♣A-1+2
+3.8Round 7🇮🇱 ISRAEL94♠♣K=+3
+3.8Round 13🇳🇱 NETHERLANDS54♥♣8=+0
+3.8Round 19🇸🇪 SWEDEN33NT♦A+1+0
+3.7Round 2🇦🇺 AUSTRALIA183♠♦3=+0
+3.7Round 23🇸🇬 SINGAPORE53♠♣2-3+9
+3.6Round 13🇳🇱 NETHERLANDS66♥♦5=+0
+3.5Round 1🇭🇰 HONG KONG CHINA72♥♣A-1+5
+3.5Round 20🇵🇱 POLAND201NT♠4=+0
+3.4Round 9🇬🇷 GREECE32♠♠2+1+6
+3.3Round 10🇧🇧 BARBADOS173NT♥7-2+6
+3.3Round 10🇧🇧 BARBADOS245♦♥A+1+11
+3.3Round 13🇳🇱 NETHERLANDS92♥♣7+1+0
+3.2Round 1🇭🇰 HONG KONG CHINA51NT♦5+2+1
+3.1Round 2🇦🇺 AUSTRALIA224♠♦A+1+0
+3.1Round 11🇯🇵 JAPAN113NT♠T+1+7
+3.0Round 6🇹🇷 TURKIYE133♣♠J-1+5
+3.0Round 6🇹🇷 TURKIYE164♠x♣K-2-5
+3.0Round 7🇮🇱 ISRAEL104♠♣J-1+6
+3.0Round 16🇫🇷 FRANCE243♥♣A=+1
+3.0Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND41NT♠T-1+5
+3.0Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♠♣3-1+5
+3.0Round 23🇸🇬 SINGAPORE64♠♣A-1+5
+2.8Round 2🇦🇺 AUSTRALIA163NT♠2+3+1
+2.8Round 4🇦🇷 ARGENTINA234♠x♦K-2+0
+2.7Round 1🇭🇰 HONG KONG CHINA104♠♥T=+0
+2.7Round 11🇯🇵 JAPAN52♠♦J=+6
+2.7Round 19🇸🇪 SWEDEN62♠♦8+1+1
+2.7Round 20🇵🇱 POLAND135♦x♥A-3-12
+2.5Round 18🇮🇳 INDIA203NT♠J-1+6
+2.4Round 4🇦🇷 ARGENTINA193NT♠6=+0
+2.4Round 16🇫🇷 FRANCE233♠♦7-2+3
+2.4Round 22🇪🇪 ESTONIA174♥♠8-2+11
+2.3Round 11🇯🇵 JAPAN11♦x♦T-1+0
+2.3Round 17🇺🇸 USA2112NT♥Q-2+5
+2.2Round 4🇦🇷 ARGENTINA182♠♥3+1+6
+2.2Round 14🇺🇸 USA1135♣♦5+1+5
+2.1Round 14🇺🇸 USA1153♣♦K+2-8
+2.1Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND83NT♥6=-1
+2.0Round 1🇭🇰 HONG KONG CHINA64♠♠9+2+13
+2.0Round 5🇩🇪 GERMANY94NT♥T+2+13
+2.0Round 6🇹🇷 TURKIYE243♥♠2=+1
+1.9Round 9🇬🇷 GREECE102♥♥2-2+9
+1.8Round 11🇯🇵 JAPAN33♠♣5+1+1
+1.7Round 9🇬🇷 GREECE66♠♦5=+11
+1.7Round 14🇺🇸 USA1143♦♣A-3+10
+1.7Round 19🇸🇪 SWEDEN43NT♠2+3+2
+1.7Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND73♦♠9-1+6
+1.7Round 22🇪🇪 ESTONIA153♠♥K+3+9
+1.6Round 19🇸🇪 SWEDEN82♠♣2+1+6
+1.4Round 17🇺🇸 USA2124♠♣7=+0
+1.3Round 5🇩🇪 GERMANY62♥♦A-1+0
+1.3Round 16🇫🇷 FRANCE173♦♥T-2+8
+1.3Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND123NT♥8+1+0
+1.2Round 9🇬🇷 GREECE93♣♠8=-1
+1.2Round 10🇧🇧 BARBADOS204♥♣K+1+0
+1.0Round 4🇦🇷 ARGENTINA204♠♦9+2+1
+1.0Round 5🇩🇪 GERMANY21NT♦J=-2
+0.9Round 6🇹🇷 TURKIYE225♥♠6=-13
+0.9Round 20🇵🇱 POLAND161NT♥T-1-1
+0.7Round 4🇦🇷 ARGENTINA142♠♣A-1+2
+0.7Round 4🇦🇷 ARGENTINA223NT♣9+1-1
+0.7Round 11🇯🇵 JAPAN62♠♠5+1+6
+0.7Round 11🇯🇵 JAPAN124♠♥A=+0
+0.6Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53NT♣4+1+1
+0.5Round 2🇦🇺 AUSTRALIA234♥♣2+1-13
+0.5Round 4🇦🇷 ARGENTINA163♦♣4-1+6
+0.5Round 6🇹🇷 TURKIYE142♠♦A-2+0
+0.3Round 7🇮🇱 ISRAEL114♥♣Q+2-11
+0.3Round 16🇫🇷 FRANCE193NT♠7=+13
+0.3Round 17🇺🇸 USA253NT♦7=-2
+0.3Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND22♠♠7+2+6
+0.3Round 23🇸🇬 SINGAPORE114♣♥Q-1-2
+0.2Round 2🇦🇺 AUSTRALIA153♣♥K+1+0
+0.1Round 20🇵🇱 POLAND181NT♠6=+1
-0.0Round 2🇦🇺 AUSTRALIA202♠♦7+2-1
-0.0Round 6🇹🇷 TURKIYE214♥♠K+1-11
-0.0Round 10🇧🇧 BARBADOS231NT♦3+1+0
+0.0Round 17🇺🇸 USA212♠♥9=+1
-0.1Round 22🇪🇪 ESTONIA242♠♣K=+1
-0.2Round 1🇭🇰 HONG KONG CHINA93♣♠K+1-7
-0.2Round 17🇺🇸 USA241NT♣4+2-10
-0.2Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND63NT♣6=+2
-0.3Round 5🇩🇪 GERMANY102♠♣K+1+0
-0.3Round 6🇹🇷 TURKIYE233NT♠2=+1
-0.3Round 18🇮🇳 INDIA193♣♦A-1-1
-0.3Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13NT♥3=+0
-0.4Round 6🇹🇷 TURKIYE174♥♠K-1-4
-0.4Round 7🇮🇱 ISRAEL81NT♠3=-1
-0.4Round 16🇫🇷 FRANCE134♠♥3=-1
-0.4Round 17🇺🇸 USA274♦♦3+1+8
-0.5Round 5🇩🇪 GERMANY84♠♥K+1+0
-0.5Round 23🇸🇬 SINGAPORE14♠♦K+1+0
-0.6Round 13🇳🇱 NETHERLANDS101NT♥3=+1
-0.6Round 17🇺🇸 USA224♥♠K+1+0
-0.7Round 4🇦🇷 ARGENTINA132♠♥K=-1
-0.7Round 9🇬🇷 GREECE85♦x♠2-3+10
-0.7Round 13🇳🇱 NETHERLANDS12♠♥A=-9
-0.8Round 9🇬🇷 GREECE114♠♥7+2-2
-0.8Round 17🇺🇸 USA292NT♠3-2-6
-0.9Round 9🇬🇷 GREECE14♥♠A-1+4
-0.9Round 19🇸🇪 SWEDEN93NTx♦5-2-9
-0.9Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND32NT♣5=-1
-1.0Round 18🇮🇳 INDIA144♥♠K+1+0
-1.1Round 6🇹🇷 TURKIYE181NT♣Q+2-6
-1.1Round 7🇮🇱 ISRAEL65♠♦4-2-11
-1.1Round 11🇯🇵 JAPAN103NT♠9=-2
-1.1Round 23🇸🇬 SINGAPORE82♥♣2=+1
-1.1Round 23🇸🇬 SINGAPORE104♠♦J=+1
-1.2Round 5🇩🇪 GERMANY112NT♠7=+1
-1.2Round 17🇺🇸 USA2102♣♠K+1+0
-1.4Round 23🇸🇬 SINGAPORE73♣♦Q=-10
-1.5Round 9🇬🇷 GREECE72NT♥2=+1
-1.6Round 17🇺🇸 USA282♠♥Q+2-6
-1.7Round 14🇺🇸 USA1193♣♠J=+0
-1.7Round 22🇪🇪 ESTONIA236NT♣6=+0
-1.8Round 17🇺🇸 USA263♥♣K=-7
-1.8Round 20🇵🇱 POLAND173♣♥5=+0
-1.9Round 2🇦🇺 AUSTRALIA174♥♠3+1+0
-1.9Round 14🇺🇸 USA1161NTx♦6=-2
-1.9Round 18🇮🇳 INDIA242♠♥6=+1
-2.0Round 9🇬🇷 GREECE51NT♣5-2-5
-2.0Round 16🇫🇷 FRANCE183NT♠Q=+0
-2.1Round 13🇳🇱 NETHERLANDS121NT♣T-1-4
-2.1Round 22🇪🇪 ESTONIA193NT♦2+2-1
-2.2Round 2🇦🇺 AUSTRALIA243♠♣K-1-4
-2.3Round 7🇮🇱 ISRAEL13NT♥5+3-1
-2.3Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND102NT♥6-1-5
-2.4Round 20🇵🇱 POLAND223NT♥5-1+2
-2.5Round 5🇩🇪 GERMANY45♦♣T-1+3
-2.6Round 13🇳🇱 NETHERLANDS44♠♥J+1-1
-2.7Round 4🇦🇷 ARGENTINA242NT♥Q+1-6
-2.7Round 11🇯🇵 JAPAN82NT♣7-2-6
-2.7Round 23🇸🇬 SINGAPORE121♠♥5-2+0
-2.8Round 13🇳🇱 NETHERLANDS84♠♦8+1+0
-2.9Round 14🇺🇸 USA1173♥♦A-2+0
-3.0Round 11🇯🇵 JAPAN42♦♣A-3+8
-3.2Round 5🇩🇪 GERMANY54♠♥J+3+9
-3.2Round 16🇫🇷 FRANCE214♥♦3-1-5
-3.4Round 5🇩🇪 GERMANY124♥♠8+1-6
-3.6Round 1🇭🇰 HONG KONG CHINA22♦♠K=-6
-3.6Round 13🇳🇱 NETHERLANDS74♠♥9-1-12
-3.6Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113NT♠6-1-10
-3.9Round 2🇦🇺 AUSTRALIA192NT♣Q+1-6
-3.9Round 13🇳🇱 NETHERLANDS23♦♠A-1-5
-4.0Round 6🇹🇷 TURKIYE193♠♦A=-11
-4.1Round 14🇺🇸 USA1182♠♣Q+2-1
-4.1Round 14🇺🇸 USA1223NT♣6-1+5
-4.3Round 2🇦🇺 AUSTRALIA145♦♣A-1-8
-4.5Round 6🇹🇷 TURKIYE204♠♣K+2-13
-5.1Round 7🇮🇱 ISRAEL32♥♣K=-5
-5.1Round 13🇳🇱 NETHERLANDS33NT♠2-1-12
-5.1Round 14🇺🇸 USA1213♣♠A=-9
-5.2Round 20🇵🇱 POLAND191NT♠7+2-7
-5.4Round 9🇬🇷 GREECE24♠♦K=-3
-5.5Round 18🇮🇳 INDIA173NT♦3=+0
-5.7Round 4🇦🇷 ARGENTINA176NT♠7=+0
-6.3Round 18🇮🇳 INDIA233NT♥2-1-6
-6.4Round 13🇳🇱 NETHERLANDS113NT♥7-3-11
-6.9Round 16🇫🇷 FRANCE154♠♦A-1-12
-7.0Round 22🇪🇪 ESTONIA203♠♦8-1-3
-7.1Round 5🇩🇪 GERMANY14♠♥2+2-11
-7.5Round 4🇦🇷 ARGENTINA153NT♣6-3-12
-7.5Round 11🇯🇵 JAPAN26♠♦A-4-12
-7.6Round 22🇪🇪 ESTONIA164♠♣J-1-9
-7.8Round 16🇫🇷 FRANCE206♠♣K=+0
-7.9Round 19🇸🇪 SWEDEN114♠♦2+1+11
-8.3Round 2🇦🇺 AUSTRALIA216NT♠8=-1
-8.3Round 17🇺🇸 USA234♠x♣Q-3+3
-8.6Round 23🇸🇬 SINGAPORE44♠♦2+2-17
-8.7Round 5🇩🇪 GERMANY34♥♦K=-8
-9.7Round 19🇸🇪 SWEDEN25♦♠Q-1-13
-11.0Round 20🇵🇱 POLAND232♣x♣T-3-12
-12.1Round 11🇯🇵 JAPAN76♥♦A-2-13
-12.2Round 16🇫🇷 FRANCE163NTx♠J=-12
-12.2Round 20🇵🇱 POLAND246♣x♥7=-12
-12.8Round 18🇮🇳 INDIA164♠x♣3=-12
-16.6Round 22🇪🇪 ESTONIA226NT♦8-3-17