🇺🇸 YIN Yichen · USA 2

34rank
+78.3Butler · 196 bds
+0.40per board
±4.3swing
+0.45vs par /bd · #29/115
+0.27adjusted /bd
Butler per round: -30.8 -2 1.4 18.5 14.8 -7.6 8.2 -0.8 2.5 20.6 12.7 13.5 23.9 3.4by round

vs par split: bidding +0.19 · play +0.24

Strength of schedule: opponents averaged -0.13/bd (an easy draw) → opponent-adjusted +0.27/bd

Card play — on target: opening leads 81.2% #21 of 115 · declarer play 81.2% #19 of 115 · defence 83.0% #66 of 115

Card play by contract type — on target
vs NTvs a suit
Opening leads70.0% (10)84.2% (38)
Declarer play70.6% (17)93.3% (15)
Defence76.9% (26)85.1% (74)

Opening leads by suit led: ♠ 84.6% (13) · ♥ 66.7% (12) · ♦ 83.3% (12) · ♣ 90.9% (11)

vs par by strain: NT -0.30 (64) · a suit +0.79 (131)

vs par by level: part-score +0.14 (70) · game +0.45 (114) · slam +2.09 (11)

By role: declaring +0.29/bd (-1.90 vs par · 95) · defending +0.51/bd (+2.65 vs par · 101)

By vulnerability: vulnerable +0.23/bd (+0.36 vs par · 98) · not vulnerable +0.57/bd (+0.54 vs par · 98)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2S.AmerKUSHARI SAYANTAN – ROY SAGNIKOpen14-30.8-2.20-1.86
Round 4S.AmerD.Ramirez – G.GuridiOpen14-2.0-0.14-0.93
Round 5S.AmerP.Haw – Y.LiuClosed14+1.4+0.10+0.43
Round 6S.AmerA.Zamir – O.ToledanoOpen14+18.5+1.32-0.50
Round 7S.AmerK.Jiang – X.ZhuClosed14+14.8+1.06+1.86
Round 8S.AmerQ.Wang – K.JinOpen14-7.6-0.54+0.57
Round 10S.AmerS.Wijayanto – R.NarendraOpen14+8.2+0.59+2.50
Round 13S.AmerP.Chen – Y.WangOpen14-0.8-0.06-0.14
Round 14S.AmerJ.Cuervo Lopera – F.Von BrudersdorffClosed14+2.5+0.18-0.36
Round 15S.AmerT.Tseng – T.WanClosed14+20.6+1.47+2.71
Round 17S.AmerC.Pelaelo – L.TheeOpen14+12.7+0.91+2.50
Round 18S.AmerO.Shaheen – A.AshrafClosed14+13.5+0.96-1.36
Round 20S.AmerB.Johnston – N.MitchellClosed14+23.9+1.71+1.57
Round 21S.AmerT.Nonnenmacher – K.LamOpen14+3.4+0.24-0.71

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
+11.9Round 20🇳🇿 NEW ZEALAND136♠♠2-2+13
+11.0Round 18🇪🇬 EGYPT103NTx♣J-3+12
+10.8Round 17BOTSWANA46♥♣K-1+13
+10.4Round 6🇮🇱 ISRAEL52♥x♦5-3+8
+10.2Round 4🇨🇱 CHILE103NT♠K-1+12
+9.8Round 18🇪🇬 EGYPT137♥♠K=+0
+9.7Round 7🇨🇦 CANADA85♠♦K+1+14
+9.5Round 15🇭🇰 CHINA HONG KONG124♠x♦K-2+12
+9.0Round 10🇮🇩 INDONESIA95♦x♥A-2+10
+8.6Round 7🇨🇦 CANADA143NT♦4+1+8
+8.5Round 6🇮🇱 ISRAEL74NT♠A=+11
+8.1Round 14🇨🇴 COLOMBIA74♥♦J-2+13
+8.0Round 8🇨🇳 CHINA33NT♥6=+10
+8.0Round 14🇨🇴 COLOMBIA85♣♦J-1+11
+7.9Round 17BOTSWANA104♠x♦3+1+8
+7.4Round 7🇨🇦 CANADA54♥♠Q=+7
+7.1Round 10🇮🇩 INDONESIA15♥♠J-1+4
+6.9Round 20🇳🇿 NEW ZEALAND86♣♦J=-2
+6.8Round 8🇨🇳 CHINA54♠♥K+2+13
+6.6Round 2🇮🇳 INDIA74♠♥9-1+12
+6.4Round 6🇮🇱 ISRAEL144♥♠J=+0
+6.3Round 15🇭🇰 CHINA HONG KONG35♥♠3=+4
+6.1Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♠♠Q-2+13
+5.8Round 15🇭🇰 CHINA HONG KONG134♠♥Q+1+0
+5.7Round 5🇸🇬 SINGAPORE113NT♣6=-1
+5.6Round 8🇨🇳 CHINA112NT♠7+4+5
+5.3Round 5🇸🇬 SINGAPORE124♠x♥5-3+8
+5.3Round 10🇮🇩 INDONESIA31NT♥2+2+6
+5.0Round 4🇨🇱 CHILE71NT♣4-2+8
+4.7Round 6🇮🇱 ISRAEL45♦x♠A-1+10
+4.7Round 6🇮🇱 ISRAEL94♥♠A=+3
+4.5Round 15🇭🇰 CHINA HONG KONG114♣♥A-2+5
+4.4Round 18🇪🇬 EGYPT114♥♠A=+0
+4.3Round 14🇨🇴 COLOMBIA53NT♣2-1+6
+4.2Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND54♥♦Q-2+13
+4.2Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND82NT♥Q-2+1
+4.0Round 4🇨🇱 CHILE13♥x♣3-3+3
+4.0Round 5🇸🇬 SINGAPORE24♥♠3-2+0
+3.7Round 18🇪🇬 EGYPT142♣x♥2-1+0
+3.5Round 13🇹🇼 CHINESE TAIPEI93NT♦10-5-8
+3.3Round 5🇸🇬 SINGAPORE44♠♥A=+9
+3.3Round 5🇸🇬 SINGAPORE71NT♠2=+5
+3.2Round 18🇪🇬 EGYPT62♠♣7-4+2
+3.0Round 6🇮🇱 ISRAEL132♥♥7=+0
+3.0Round 13🇹🇼 CHINESE TAIPEI22♠♠10=+6
+3.0Round 20🇳🇿 NEW ZEALAND36♦♠4=+12
+2.9Round 14🇨🇴 COLOMBIA135♥♣2=+0
+2.8Round 10🇮🇩 INDONESIA61♥♠2-1+4
+2.8Round 20🇳🇿 NEW ZEALAND74♥♦K-1+6
+2.7Round 2🇮🇳 INDIA12♠♠4=+6
+2.7Round 20🇳🇿 NEW ZEALAND112NT♦Q-2+5
+2.5Round 8🇨🇳 CHINA145♣♠6+1-1
+2.5Round 18🇪🇬 EGYPT31NT♠3-2+0
+2.4Round 2🇮🇳 INDIA111♠♥10-2+5
+2.4Round 4🇨🇱 CHILE134♠♦A=+3
+2.2Round 8🇨🇳 CHINA93♥♣4=-10
+2.1Round 5🇸🇬 SINGAPORE14♠♥Q-1+4
+2.1Round 18🇪🇬 EGYPT23♠♥6=+0
+1.9Round 13🇹🇼 CHINESE TAIPEI133NT♥3+2+0
+1.9Round 17BOTSWANA26♥♦2=+0
+1.7Round 15🇭🇰 CHINA HONG KONG143NT♠2+2+0
+1.7Round 20🇳🇿 NEW ZEALAND143NT♣3+3+3
+1.6Round 6🇮🇱 ISRAEL84♠♥Q=+0
+1.6Round 13🇹🇼 CHINESE TAIPEI115♦x♠K-2+0
+1.6Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113NT♦5=-1
+1.5Round 17BOTSWANA74♠♦K-1+1
+1.5Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND104NT♠4=+0
+1.4Round 20🇳🇿 NEW ZEALAND43NT♦Q=+1
+1.3Round 17BOTSWANA123♣♦A-1-4
+1.2Round 13🇹🇼 CHINESE TAIPEI33NT♥J+1+0
+1.2Round 14🇨🇴 COLOMBIA141NT♥A=+5
+1.2Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND121NT♥3+1+0
+1.1Round 20🇳🇿 NEW ZEALAND24♠♥2+1+13
+1.0Round 8🇨🇳 CHINA24♥♥3+1+1
+1.0Round 17BOTSWANA114♠♥2+1-10
+0.9Round 4🇨🇱 CHILE113NT♣3=+1
+0.9Round 13🇹🇼 CHINESE TAIPEI73NT♣2-1+6
+0.9Round 14🇨🇴 COLOMBIA14♠♦2=+0
+0.9Round 20🇳🇿 NEW ZEALAND94♠♦A-1-6
+0.8Round 7🇨🇦 CANADA92♦♠4=+0
+0.8Round 7🇨🇦 CANADA104♠♣5-1-6
+0.6Round 4🇨🇱 CHILE124♥♠10+1+0
+0.6Round 10🇮🇩 INDONESIA143NT♠9+1+1
+0.6Round 15🇭🇰 CHINA HONG KONG13♥♥4+2+6
+0.6Round 15🇭🇰 CHINA HONG KONG74♥♦10+1+0
+0.5Round 10🇮🇩 INDONESIA41NT♣Q+1-1
+0.5Round 14🇨🇴 COLOMBIA23NT♣2=+0
+0.5Round 17BOTSWANA92♠♣2+1+1
+0.5Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND34♠♣Q=+1
+0.4Round 17BOTSWANA143♣♠10+1+7
+0.2Round 7🇨🇦 CANADA132♥♦2=-1
+0.1Round 2🇮🇳 INDIA33NT♥K+2+0
+0.1Round 7🇨🇦 CANADA7Pass+4
+0.1Round 10🇮🇩 INDONESIA23♥♦10-1+10
+0.0Round 2🇮🇳 INDIA63NT♣3+1+0
-0.0Round 7🇨🇦 CANADA13♠♥K-1+6
-0.0Round 15🇭🇰 CHINA HONG KONG64♠♦J=+1
+0.0Round 18🇪🇬 EGYPT86♠♦J+1-11
-0.2Round 7🇨🇦 CANADA32♥♦K+1+6
-0.2Round 13🇹🇼 CHINESE TAIPEI12♦♦3+1+7
-0.3Round 4🇨🇱 CHILE22♦♥Q=+1
-0.3Round 5🇸🇬 SINGAPORE92♦♣5=+1
-0.3Round 15🇭🇰 CHINA HONG KONG82NT♠4+1+1
-0.3Round 20🇳🇿 NEW ZEALAND63NT♥4+2+0
-0.4Round 4🇨🇱 CHILE142NT♣Q+4-4
-0.4Round 13🇹🇼 CHINESE TAIPEI52NT♠6+1-6
-0.4Round 15🇭🇰 CHINA HONG KONG25♥x♦K-1+11
-0.5Round 5🇸🇬 SINGAPORE53NT♦3-3+4
-0.5Round 15🇭🇰 CHINA HONG KONG43NT♣4=+2
-0.5Round 18🇪🇬 EGYPT54♥♣A=+0
-0.6Round 7🇨🇦 CANADA43NT♥J+1-1
-0.7Round 2🇮🇳 INDIA42NT♣6+1-10
-0.7Round 5🇸🇬 SINGAPORE144♥x♠K-1-6
-0.7Round 8🇨🇳 CHINA84♠♦2=+0
-0.8Round 10🇮🇩 INDONESIA124♠♦9+1+0
-0.9Round 17BOTSWANA63NT♥8-2-7
-0.9Round 20🇳🇿 NEW ZEALAND53♥♥2-3-1
-0.9Round 20🇳🇿 NEW ZEALAND123NT♦Q-3-7
-1.0Round 4🇨🇱 CHILE53♥♠10+1+4
-1.0Round 5🇸🇬 SINGAPORE85♦x♥K-1+0
-1.0Round 8🇨🇳 CHINA102♦♥J+1+0
-1.1Round 2🇮🇳 INDIA84♥♣2+1+0
-1.1Round 2🇮🇳 INDIA143NT♠5-1-5
-1.1Round 17BOTSWANA14♠♠J+1-1
-1.2Round 2🇮🇳 INDIA121NT♠10=+1
-1.2Round 7🇨🇦 CANADA113NT♠3=+0
-1.3Round 4🇨🇱 CHILE95♠♣A+1-13
-1.3Round 6🇮🇱 ISRAEL32♠♦9=+1
-1.4Round 10🇮🇩 INDONESIA84♥♠10+1-1
-1.4Round 13🇹🇼 CHINESE TAIPEI104♥♠10=+0
-1.4Round 15🇭🇰 CHINA HONG KONG52♦♥A-1-4
-1.4Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♥♠2+1+0
-1.5Round 8🇨🇳 CHINA134NT♥4+2+13
-1.5Round 13🇹🇼 CHINESE TAIPEI43♦♦10=+0
-1.5Round 13🇹🇼 CHINESE TAIPEI84♥♣5=+1
-1.5Round 20🇳🇿 NEW ZEALAND12♥♣6=-5
-1.6Round 6🇮🇱 ISRAEL114♠♥Q=+0
-1.7Round 17BOTSWANA84♠♦J-1+2
-1.7Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND23NT♥10+4-2
-1.9Round 15🇭🇰 CHINA HONG KONG94♥♣K=+0
-1.9Round 17BOTSWANA131♠♦J-1+6
-1.9Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND64♠♥9+1-1
-2.0Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND133♥♣10-1-6
-2.1Round 7🇨🇦 CANADA123♥♦5=-1
-2.1Round 10🇮🇩 INDONESIA111NT♥4+3-3
-2.1Round 14🇨🇴 COLOMBIA45♠♣A=-4
-2.2Round 5🇸🇬 SINGAPORE63♦♥K+1-1
-2.2Round 13🇹🇼 CHINESE TAIPEI63NT♦10-1-5
-2.2Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND143NT♦Q-2-5
-2.3Round 18🇪🇬 EGYPT124♠♥4-3-7
-2.4Round 8🇨🇳 CHINA123NT♣7-1+2
-2.4Round 14🇨🇴 COLOMBIA93NT♦2+2-2
-2.5Round 6🇮🇱 ISRAEL103♣♠4+2-10
-2.5Round 18🇪🇬 EGYPT12♦♦5+2-1
-2.6Round 6🇮🇱 ISRAEL65♠x♦K-2-5
-2.6Round 8🇨🇳 CHINA64♥♣K+1-1
-2.6Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND11NT♥6=-6
-2.7Round 10🇮🇩 INDONESIA101♥♦3=-5
-2.8Round 10🇮🇩 INDONESIA53♣♠2+1+0
-2.8Round 10🇮🇩 INDONESIA134♣♦J+1+10
-2.8Round 13🇹🇼 CHINESE TAIPEI122♠♦K-1-4
-2.8Round 14🇨🇴 COLOMBIA37♣♣2=+2
-2.9Round 2🇮🇳 INDIA94♠♦9+1+0
-2.9Round 13🇹🇼 CHINESE TAIPEI143NT♠6=+1
-3.0Round 14🇨🇴 COLOMBIA102NT♦Q-1-6
-3.1Round 2🇮🇳 INDIA133♥♠A=+0
-3.2Round 17BOTSWANA36NT♦6+1+10
-3.5Round 5🇸🇬 SINGAPORE104♠♦5-1-6
-3.7Round 4🇨🇱 CHILE34♠♣2+1-1
-3.7Round 6🇮🇱 ISRAEL22♦♦2-1-5
-3.8Round 14🇨🇴 COLOMBIA64NT♠4+2-13
-3.8Round 17BOTSWANA53♥x♣10-1+9
-3.9Round 4🇨🇱 CHILE64♠♣10-1-6
-3.9Round 7🇨🇦 CANADA63♥♠A-3-4
-3.9Round 15🇭🇰 CHINA HONG KONG104♥♠K=+0
-4.1Round 14🇨🇴 COLOMBIA113NTx♣K-1-5
-4.1Round 21🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♥♦K+3-17
-4.4Round 6🇮🇱 ISRAEL123NT♣4-1-10
-4.6Round 10🇮🇩 INDONESIA72♥♣7=+0
-4.7Round 6🇮🇱 ISRAEL12NT♥5-1-10
-4.7Round 18🇪🇬 EGYPT92♥♣3=-5
-4.8Round 4🇨🇱 CHILE83♥♣5=-7
-4.8Round 7🇨🇦 CANADA22NT♣4+1-6
-4.9Round 18🇪🇬 EGYPT44♥♣8=-9
-4.9Round 20🇳🇿 NEW ZEALAND102♥♦A+2-10
-5.0Round 5🇸🇬 SINGAPORE33NT♥10-2-11
-5.2Round 14🇨🇴 COLOMBIA124♠x♥3-2-12
-6.7Round 8🇨🇳 CHINA42♣x♥K-3-5
-8.3Round 18🇪🇬 EGYPT76♦♦7=+0
-8.9Round 8🇨🇳 CHINA74♠x♥Q+1-9
-9.1Round 5🇸🇬 SINGAPORE133NT♠5=+0
-9.2Round 2🇮🇳 INDIA25♥♦Q-1-13
-9.7Round 4🇨🇱 CHILE47NTx♠A-1-14
-9.9Round 8🇨🇳 CHINA13NTx♦A=-10
-10.9Round 2🇮🇳 INDIA104♥♠K=-10
-12.4Round 2🇮🇳 INDIA54♥x♦Q-3-12