🇨🇳 MIAO Jiezhen · CHINA 1

65rank
-4.6Butler · 144 bds
-0.03per board
±4.8swing
+0.36vs par /bd · #38/92
+0.18adjusted /bd
Butler per round: -20.7 -31.5 -7.6 24.5 -23.7 -1.6 -12.3 -0.5 29.3 63.5 -8.3 -15.7by round

vs par split: bidding -0.06 · play +0.35

Strength of schedule: opponents averaged +0.21/bd (a tough draw) → opponent-adjusted +0.18/bd

Card play — on target: opening leads 71.1% #77 of 92 · declarer play 71.8% #49 of 92 · defence 81.6% #47 of 92

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (12)73.1% (26)
Declarer play63.6% (11)75.0% (28)
Defence76.2% (21)83.6% (55)

Opening leads by suit led: ♠ 72.7% (11) · ♥ 58.3% (12) · ♦ 83.3% (6) · ♣ 77.8% (9)

vs par by strain: NT -0.35 (40) · a suit +0.54 (103)

vs par by level: part-score +0.47 (57) · game +0.08 (77) · slam +1.00 (9)

By role: declaring -0.39/bd (-1.75 vs par · 67) · defending +0.28/bd (+2.19 vs par · 77)

By vulnerability: vulnerable -0.28/bd (+0.26 vs par · 72) · not vulnerable +0.22/bd (+0.46 vs par · 72)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1R.SongT.Toesse – K.BrekkeClosed12-20.7-1.72-1.67
Round 2R.SongC.Wang – K.LoClosed12-31.5-2.62-2.00
Round 3R.SongX.Dai – T.ChenClosed12-7.6-0.63-1.75
Round 5R.SongR.Bloch – T.ZobelClosed12+24.5+2.04+2.17
Round 6R.SongH.Luba – M.XuOpen12-23.7-1.97-3.25
Round 8R.SongY.Xie – Y.WangOpen12-1.6-0.13-0.08
Round 9R.SongO.Selby – A.CopeClosed12-12.3-1.03+1.17
Round 10R.SongM.Bertheau – A.AbragiOpen12-0.5-0.04+0.08
Round 12R.SongD.Muti – E.CiviciClosed12+29.3+2.44+2.83
Round 13R.SongM.Mokgethi – R.LentsweOpen12+63.5+5.29+7.42
Round 14R.SongM.Soumplis – MALLOSIS AIMILIANOSClosed12-8.3-0.69+0.50
Round 15R.SongM.Guendel – K.DransfeldClosed12-15.7-1.31-1.08

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
+13.8Round 13BOTSWANA34♠x♦A-5+14
+10.4Round 5🇫🇷 FRANCE64♥x♦A-3+9
+9.8Round 12🇹🇷 TURKEY65♥♦Q=+13
+9.1Round 15🇩🇪 GERMANY66♥♥6=+0
+8.8Round 12🇹🇷 TURKEY86♠♦A=+10
+8.6Round 12🇹🇷 TURKEY13NT♣5+1+11
+8.5Round 13BOTSWANA93NT♠6+2+8
+8.1Round 8🇨🇳 CHINA 223♠♥3-3+5
+8.1Round 10🇸🇪 SWEDEN23NT♣8-2+8
+7.9Round 8🇨🇳 CHINA 212NT♠J-2+11
+7.8Round 13BOTSWANA85♦♠8=+7
+7.5Round 13BOTSWANA21NT♠4+3+10
+6.9Round 10🇸🇪 SWEDEN5Adj.♥A+10
+6.8Round 3🇨🇳 CHINA 365♥x♦K-4-16
+6.7Round 13BOTSWANA114♠♠3=+15
+6.6Round 5🇫🇷 FRANCE14♠♥Q=+8
+5.8Round 13BOTSWANA54♠♥10=+7
+5.6Round 6🇺🇸 USA94♥♠9=+3
+5.4Round 10🇸🇪 SWEDEN102♥♦K-3+4
+5.3Round 14🇬🇷 GREECE86♥♣3-1+11
+5.0Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103NT♠3-1+5
+4.6Round 5🇫🇷 FRANCE72♥♠3-2+3
+4.5Round 2🇹🇼 CHINESE TAIPEI24♥♦Q+1+0
+4.5Round 3🇨🇳 CHINA 384♥x♣10-1+9
+4.5Round 5🇫🇷 FRANCE43♦♥J+2+2
+4.4Round 13BOTSWANA42♦♠7=+12
+4.2Round 8🇨🇳 CHINA 282♥♦5+1+1
+4.1Round 10🇸🇪 SWEDEN42♠♥J-2+3
+4.1Round 13BOTSWANA124♠♣9+2-11
+3.9Round 8🇨🇳 CHINA 235♣x♦A-1+6
+3.6Round 5🇫🇷 FRANCE33NT♥3-2+11
+3.6Round 5🇫🇷 FRANCE113NT♠6-1+10
+3.6Round 15🇩🇪 GERMANY23NT♥2+2+2
+3.4Round 12🇹🇷 TURKEY106♠♦6+1+1
+3.3Round 3🇨🇳 CHINA 344♠♠9+1+0
+3.2Round 14🇬🇷 GREECE93♦♦6=+1
+3.1Round 3🇨🇳 CHINA 314♠♥9=-1
+2.8Round 12🇹🇷 TURKEY116♦♠A=-2
+2.8Round 15🇩🇪 GERMANY102♠♦9+1+1
+2.5Round 10🇸🇪 SWEDEN122♥♠K+2+8
+2.5Round 14🇬🇷 GREECE74♠♥9-2+8
+2.3Round 2🇹🇼 CHINESE TAIPEI33NT♥K+3+1
+2.3Round 13BOTSWANA72♠♣7-1+0
+2.2Round 14🇬🇷 GREECE61NT♦A+1+0
+2.0Round 1🇳🇴 NORWAY103♥♣3+3+9
+1.9Round 6🇺🇸 USA74♠♥6-2+2
+1.6Round 1🇳🇴 NORWAY123♦♠K+1+0
+1.6Round 13BOTSWANA102♠♦3-1+11
+1.4Round 2🇹🇼 CHINESE TAIPEI41NT♣6+3-9
+1.4Round 8🇨🇳 CHINA 2101NT♠3+1+0
+1.4Round 15🇩🇪 GERMANY112♦♣3=-1
+1.3Round 3🇨🇳 CHINA 324♥♠K+1+0
+1.2Round 5🇫🇷 FRANCE53♦♥A-2-6
+1.2Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♥♦A+1+1
+1.1Round 6🇺🇸 USA35♦♥J-1+5
+1.1Round 12🇹🇷 TURKEY95♥♠2=+0
+1.1Round 15🇩🇪 GERMANY52♦♣4+2+0
+0.9Round 6🇺🇸 USA84♠♠6=+0
+0.9Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND54♠♥K+2+13
+0.9Round 12🇹🇷 TURKEY123NT♠10-2+7
+0.9Round 14🇬🇷 GREECE52NT♠6+1-6
+0.8Round 5🇫🇷 FRANCE91NT♠3-1-2
+0.8Round 13BOTSWANA63♥♣2-1+0
+0.5Round 8🇨🇳 CHINA 294♠♦J-2+6
+0.4Round 5🇫🇷 FRANCE23♠♦4-1+5
+0.4Round 12🇹🇷 TURKEY33♠♥3=+1
+0.2Round 1🇳🇴 NORWAY84♠♥4+1+0
+0.2Round 8🇨🇳 CHINA 253NT♣5=-1
+0.2Round 13BOTSWANA12♦♥Q+3+16
+0.1Round 1🇳🇴 NORWAY74♥♣7=+1
+0.1Round 6🇺🇸 USA21NT♠3=-1
-0.0Round 1🇳🇴 NORWAY114♠♦2=-1
-0.2Round 12🇹🇷 TURKEY74♦♥10-1+5
-0.4Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND41♥♠K-3+7
-0.4Round 14🇬🇷 GREECE123♥♠4-2+3
-0.5Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♠♦3+1-1
-0.6Round 10🇸🇪 SWEDEN34♠♠5=+0
-0.7Round 10🇸🇪 SWEDEN113♠♥Q-2+1
-0.8Round 1🇳🇴 NORWAY44♠♣7=+1
-0.8Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND92♠♥J-1-11
-1.0Round 3🇨🇳 CHINA 374♠♣J+1-4
-1.0Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND13♣♥10+1-1
-1.1Round 5🇫🇷 FRANCE103♠♥5=+0
-1.1Round 12🇹🇷 TURKEY42♥♣A=-1
-1.1Round 14🇬🇷 GREECE42♦♥J+1+0
-1.2Round 1🇳🇴 NORWAY21♦♥A+2-7
-1.2Round 2🇹🇼 CHINESE TAIPEI84♥♣A+1+0
-1.2Round 3🇨🇳 CHINA 3113♠♦4+1-1
-1.5Round 2🇹🇼 CHINESE TAIPEI103♥♠Q=+0
-1.5Round 3🇨🇳 CHINA 3103NT♣9+1-1
-1.5Round 10🇸🇪 SWEDEN14♥♣A+1+0
-1.6Round 6🇺🇸 USA52♥♠A-1-8
-1.9Round 2🇹🇼 CHINESE TAIPEI112NT♠5-1+2
-1.9Round 14🇬🇷 GREECE11NT♦3+3+6
-2.0Round 2🇹🇼 CHINESE TAIPEI121NT♠10=+1
-2.2Round 2🇹🇼 CHINESE TAIPEI13♥♠K=+0
-2.2Round 15🇩🇪 GERMANY124♠♥5-1-10
-2.6Round 10🇸🇪 SWEDEN63♥♣J=-1
-2.6Round 12🇹🇷 TURKEY23NT♠8+1+0
-2.6Round 12🇹🇷 TURKEY55♣♣7+1-11
-2.6Round 15🇩🇪 GERMANY95♣♦6+1-1
-2.7Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND32♠♣2=+0
-2.8Round 8🇨🇳 CHINA 2112NT♦K-1-5
-2.8Round 14🇬🇷 GREECE22♦♥3+3-1
-2.9Round 1🇳🇴 NORWAY33NT♦A+1+1
-2.9Round 6🇺🇸 USA45♦x♣A-2+4
-3.1Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♥♦4-2+0
-3.1Round 14🇬🇷 GREECE103NT♦Q+1+0
-3.2Round 1🇳🇴 NORWAY14♥♥J-2-5
-3.2Round 3🇨🇳 CHINA 3124♠x♣A-1-6
-3.2Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113NT♥4+1+1
-3.2Round 14🇬🇷 GREECE113♥♦4=-4
-3.2Round 15🇩🇪 GERMANY45♦♣K=-3
-3.4Round 3🇨🇳 CHINA 394♥♠2+1-1
-3.4Round 5🇫🇷 FRANCE124♥♠Q=-10
-3.5Round 6🇺🇸 USA114♠♣A=+0
-3.6Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♠♣4=+0
-3.9Round 8🇨🇳 CHINA 2123NT♥2+2-1
-3.9Round 10🇸🇪 SWEDEN93NT♦4+3-13
-4.1Round 1🇳🇴 NORWAY93NT♣Q=+0
-4.1Round 9🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♥♣K=+0
-4.1Round 15🇩🇪 GERMANY13♠♣5+1-6
-4.4Round 6🇺🇸 USA103♣♣3+1-10
-4.5Round 2🇹🇼 CHINESE TAIPEI94♠♦9=+1
-4.5Round 6🇺🇸 USA123NT♣5-2-11
-4.7Round 15🇩🇪 GERMANY85♣♠K=+2
-5.5Round 8🇨🇳 CHINA 272NT♣5-2-7
-6.0Round 1🇳🇴 NORWAY52NT♣6+2-6
-6.4Round 1🇳🇴 NORWAY64♠♣J-2-13
-6.4Round 8🇨🇳 CHINA 243NT♥J=-10
-6.6Round 10🇸🇪 SWEDEN85♦x♣8-2-9
-6.7Round 5🇫🇷 FRANCE85♣♠A-1-4
-7.1Round 6🇺🇸 USA13NT♥5-2-11
-7.1Round 15🇩🇪 GERMANY71NTx♣7-2+3
-7.4Round 3🇨🇳 CHINA 355♥x♣A-2-11
-7.6Round 2🇹🇼 CHINESE TAIPEI74♠♣7=+0
-8.9Round 3🇨🇳 CHINA 336♦♦6=+11
-9.1Round 2🇹🇼 CHINESE TAIPEI66NT♠K-1-10
-9.2Round 8🇨🇳 CHINA 263NT♥J=-6
-9.3Round 6🇺🇸 USA66♥♥2-1-12
-9.7Round 2🇹🇼 CHINESE TAIPEI53♦x♥J+1-10
-9.8Round 15🇩🇪 GERMANY37NT♠9=+0
-9.9Round 14🇬🇷 GREECE33NT♥J-1-12
-11.6Round 10🇸🇪 SWEDEN74♥x♦8-4-10