🇺🇸 ZHANG Lucy · USA

15rank
+100.8Butler · 196 bds
+0.51per board
±4.7swing
-0.05vs par /bd · #44/78
+0.56adjusted /bd
Butler per round: 7.7 -6.9 0.6 11 -19 20.4 28.4 13.2 -1.4 -10.2 17.7 13.8 19.4 6.1by round

vs par split: bidding +0.04 · play -0.09

Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted +0.56/bd

Card play — on target: opening leads 78.9% #44 of 78 · declarer play 69.8% #46 of 78 · defence 89.9% #3 of 78

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)79.4% (34)
Declarer play61.9% (21)75.0% (32)
Defence88.2% (17)90.3% (62)

Opening leads by suit led: ♠ 78.6% (14) · ♥ 63.6% (11) · ♦ 100.0% (6) · ♣ 85.7% (7)

vs par by strain: NT -1.23 (60) · a suit +0.47 (136)

vs par by level: part-score -0.43 (75) · game +0.24 (110) · slam -0.46 (11)

By role: declaring +0.48/bd (-1.56 vs par · 117) · defending +0.56/bd (+2.19 vs par · 79)

By vulnerability: vulnerable +0.57/bd (+0.40 vs par · 98) · not vulnerable +0.46/bd (-0.50 vs par · 98)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.ChangB.Bulut – E.ErgunOpen14+7.7+0.55+0.86
Round 2S.ChangF.Nacrur – S.GerstmannClosed14-6.9-0.49+0.00
Round 3S.ChangR.Shaumi – R.DewiOpen14+0.6+0.04+1.21
Round 4S.ChangE.Wieczorek – O.BaileyClosed14+11.0+0.79+0.64
Round 5S.ChangT.Hauge – K.EkrenClosed14-19.0-1.36+1.21
Round 6S.ChangJ.Mautone – J.Araujo LobatoOpen14+20.4+1.46+0.14
Round 7A.LinK.Hui – X.FangClosed14+28.4+2.03-0.21
Round 8S.ChangH.Ciunczyk – J.ZalewskaOpen14+13.2+0.94-0.64
Round 9S.ChangS.Combescure – M.ThuillezClosed14-1.4-0.10-1.93
Round 10S.ChangB.Fu – X.LiOpen14-10.2-0.73-4.14
Round 11S.ChangY.Fang – C.LiuClosed14+17.7+1.26+2.57
Round 12S.ChangP.Gantanawate – S.LumjiakClosed14+13.8+0.99+1.29
Round 13S.ChangB.Fischer – M.BekoOpen14+19.4+1.39-0.57
Round 15S.ChangS.Kolen – E.VisserOpen14+6.1+0.44-1.14

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
+15.4Round 12🇹🇭 THAILAND84♥x♣J-6+14
+13.3Round 13🇭🇺 HUNGARY24♥♠A=+8
+12.2Round 1🇹🇷 TURKEY66♥x♠10-3+16
+12.0Round 3🇮🇩 INDONESIA134♥♠8-2+13
+10.5Round 6🇧🇷 BRAZIL124♥♦5=+11
+10.5Round 8🇵🇱 POLAND55♣♦6=+10
+9.8Round 10🇨🇳 CHINA74♠♦8=+12
+9.6Round 11🇹🇼 CHINESE TAIPEI74♠x♠5-2+12
+9.4Round 8🇵🇱 POLAND93NT♦4+3+13
+9.4Round 11🇹🇼 CHINESE TAIPEI106♥♥J-1+12
+9.3Round 7🇭🇰 CHINA HONG KONG56♠♥K=+0
+8.7Round 10🇨🇳 CHINA43♦x♠10-2-4
+8.5Round 13🇭🇺 HUNGARY136♠♣6-2+13
+7.7Round 15🇳🇱 NETHERLANDS113NT♦6-1+14
+7.4Round 12🇹🇭 THAILAND37NT♠9=+0
+7.2Round 7🇭🇰 CHINA HONG KONG32♠♣2=+0
+7.1Round 2🇨🇱 CHILE104♥♠K-1+6
+6.9Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND33NT♣3=+0
+6.9Round 13🇭🇺 HUNGARY83NT♠7-3+6
+6.3Round 1🇹🇷 TURKEY123NT♠K=+10
+6.1Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND91NTx♦2=+7
+6.1Round 5🇳🇴 NORWAY134♥♣5-3+9
+5.9Round 6🇧🇷 BRAZIL86♠♦K=-11
+5.8Round 11🇹🇼 CHINESE TAIPEI53NT♠J=+0
+5.5Round 2🇨🇱 CHILE24♥♦Q+1+0
+5.2Round 8🇵🇱 POLAND132NT♦K=+0
+5.2Round 9🇫🇷 FRANCE124♠♦2+1+0
+4.8Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND74♠♥9-2+7
+4.8Round 6🇧🇷 BRAZIL54♥♦2-2+6
+4.6Round 10🇨🇳 CHINA116♠♥5=-11
+4.6Round 11🇹🇼 CHINESE TAIPEI44♦♠K-1+5
+4.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♠x♦4-3+8
+4.5Round 7🇭🇰 CHINA HONG KONG64♥♥7+1+1
+4.5Round 13🇭🇺 HUNGARY123♠♦K=+0
+4.3Round 1🇹🇷 TURKEY104♥♠A=+0
+4.1Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND44♠♥A=+9
+3.8Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND63♣♦A=+5
+3.8Round 6🇧🇷 BRAZIL143NT♥7-3+6
+3.8Round 13🇭🇺 HUNGARY103♠x♦9-2-3
+3.5Round 3🇮🇩 INDONESIA33NT♣4+2-14
+3.4Round 11🇹🇼 CHINESE TAIPEI11NT♣5-1+10
+3.3Round 3🇮🇩 INDONESIA142♥♦10-1+4
+3.3Round 15🇳🇱 NETHERLANDS45♦♥J=-2
+3.2Round 1🇹🇷 TURKEY143♥♠6=-6
+3.2Round 2🇨🇱 CHILE53♦♥J-1+5
+3.2Round 11🇹🇼 CHINESE TAIPEI63♦♥A-2+0
+3.2Round 11🇹🇼 CHINESE TAIPEI115♥♦4=+4
+3.2Round 15🇳🇱 NETHERLANDS36NT♦10=-11
+2.8Round 8🇵🇱 POLAND143NT♠Q+2+1
+2.8Round 11🇹🇼 CHINESE TAIPEI133NT♦5+1-1
+2.7Round 7🇭🇰 CHINA HONG KONG123♥♣10-2+0
+2.7Round 12🇹🇭 THAILAND123NT♣6-4+12
+2.7Round 15🇳🇱 NETHERLANDS132♥♠A+1+0
+2.5Round 1🇹🇷 TURKEY14♥x♣2-1+5
+2.5Round 5🇳🇴 NORWAY45♦x♥2-2-4
+2.5Round 5🇳🇴 NORWAY114♠♥Q+1+1
+2.5Round 7🇭🇰 CHINA HONG KONG43NT♠2=+0
+2.5Round 7🇭🇰 CHINA HONG KONG113NT♣8+2+0
+2.4Round 6🇧🇷 BRAZIL113NT♠4+1+1
+2.4Round 8🇵🇱 POLAND14♥♣A+1+0
+2.4Round 13🇭🇺 HUNGARY45♦♥J=-2
+2.4Round 13🇭🇺 HUNGARY94♥♦10=+0
+2.2Round 2🇨🇱 CHILE121NT♦3-1+4
+2.2Round 7🇭🇰 CHINA HONG KONG145♣♦6+1+1
+2.2Round 8🇵🇱 POLAND113♠♣Q-2-1
+2.1Round 6🇧🇷 BRAZIL21NT♥7+2+6
+2.1Round 15🇳🇱 NETHERLANDS63NT♥8-2+7
+2.0Round 9🇫🇷 FRANCE71NT♠3=-1
+1.8Round 3🇮🇩 INDONESIA103NT♠3+1+1
+1.8Round 9🇫🇷 FRANCE32♠♦A=+0
+1.7Round 9🇫🇷 FRANCE84♥♥J=+0
+1.6Round 10🇨🇳 CHINA63♣♦J=+0
+1.5Round 2🇨🇱 CHILE84♥♥3+2+1
+1.4Round 6🇧🇷 BRAZIL13♠♥K-3-4
+1.4Round 8🇵🇱 POLAND61NT♠5+1+0
+1.4Round 10🇨🇳 CHINA31NT♥Q-1+2
+1.3Round 3🇮🇩 INDONESIA94♥♠2=+0
+1.3Round 7🇭🇰 CHINA HONG KONG134NT♥4+2-13
+1.3Round 9🇫🇷 FRANCE53♣♠2=-1
+1.3Round 12🇹🇭 THAILAND93NT♦6+2+2
+1.3Round 13🇭🇺 HUNGARY64♠♥4+1+0
+1.2Round 9🇫🇷 FRANCE61NT♠6-1+0
+1.1Round 6🇧🇷 BRAZIL31NT♦A+1-7
+1.1Round 7🇭🇰 CHINA HONG KONG84♠♣2+1+1
+1.0Round 9🇫🇷 FRANCE111NT♥2+1+1
+1.0Round 11🇹🇼 CHINESE TAIPEI123♥♠4-2+3
+0.9Round 1🇹🇷 TURKEY73NT♦7+2+0
+0.8Round 5🇳🇴 NORWAY53♣♥A+1+8
+0.8Round 5🇳🇴 NORWAY143♣♠J+2+7
+0.8Round 12🇹🇭 THAILAND44♠♣K+1+4
+0.8Round 15🇳🇱 NETHERLANDS13NT♠5+2+1
+0.7Round 1🇹🇷 TURKEY93♦♠2+1-7
+0.7Round 10🇨🇳 CHINA23NT♠2+2+0
+0.7Round 12🇹🇭 THAILAND142NT♠K-1-2
+0.7Round 15🇳🇱 NETHERLANDS122♠♦7+1+6
+0.6Round 8🇵🇱 POLAND34♥♦9=+0
+0.5Round 2🇨🇱 CHILE133♦♥10+1+7
+0.5Round 3🇮🇩 INDONESIA74♠♥8=+3
+0.4Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND132♥♠5+1+10
+0.4Round 9🇫🇷 FRANCE41NT♣5=+2
+0.3Round 2🇨🇱 CHILE41NT♣6+1-10
+0.3Round 2🇨🇱 CHILE63NT♣3=-1
+0.3Round 11🇹🇼 CHINESE TAIPEI33NT♥J+1+0
+0.2Round 2🇨🇱 CHILE12♠♦A-1+3
+0.2Round 6🇧🇷 BRAZIL104♠♣5-1+6
+0.2Round 7🇭🇰 CHINA HONG KONG12♣♠J+2+1
+0.2Round 12🇹🇭 THAILAND14♠♣5=+0
+0.0Round 1🇹🇷 TURKEY84♠♥6+1+0
+0.0Round 6🇧🇷 BRAZIL44♠♦2+1+0
+0.0Round 7🇭🇰 CHINA HONG KONG24♥♠3=+0
+0.0Round 15🇳🇱 NETHERLANDS104♠♦3+1+0
-0.1Round 7🇭🇰 CHINA HONG KONG74♠♣4=+0
-0.1Round 13🇭🇺 HUNGARY113♥♣J-1-2
-0.2Round 1🇹🇷 TURKEY114♠♥Q+1+0
-0.2Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103♠♥10=+0
-0.2Round 13🇭🇺 HUNGARY12♥♣K+3-6
-0.2Round 15🇳🇱 NETHERLANDS143♣♠10+2-6
-0.3Round 8🇵🇱 POLAND42♠♥J-1+0
-0.4Round 3🇮🇩 INDONESIA124♠♣A-1+5
-0.5Round 1🇹🇷 TURKEY44♠♣3=-1
-0.5Round 13🇭🇺 HUNGARY143NT♥3+2+0
-0.8Round 3🇮🇩 INDONESIA24♥♠K+2-1
-0.8Round 10🇨🇳 CHINA144♥♣A+2-11
-0.8Round 12🇹🇭 THAILAND53♦♠7+1+0
-0.9Round 5🇳🇴 NORWAY102♠♦J-3+7
-0.9Round 9🇫🇷 FRANCE143NT♥7+1-1
-1.0Round 5🇳🇴 NORWAY22NT♦2=+0
-1.1Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113NT♠6-1-10
-1.1Round 9🇫🇷 FRANCE15♦x♥A-2+5
-1.1Round 15🇳🇱 NETHERLANDS84♦♥7-1-4
-1.2Round 3🇮🇩 INDONESIA54♠♥A-1+3
-1.2Round 7🇭🇰 CHINA HONG KONG92♠♣9-2+11
-1.3Round 8🇵🇱 POLAND123♥♠K+1-8
-1.3Round 12🇹🇭 THAILAND23NT♥7=+0
-1.3Round 15🇳🇱 NETHERLANDS75♦x♠6-1-8
-1.4Round 2🇨🇱 CHILE144♥♦9-1-5
-1.4Round 3🇮🇩 INDONESIA14♠♥9=+1
-1.5Round 5🇳🇴 NORWAY73♠♦10-1+1
-1.5Round 10🇨🇳 CHINA124♠♦6+1+11
-1.5Round 12🇹🇭 THAILAND113♣x♠Q-1+0
-1.5Round 12🇹🇭 THAILAND134♥♥3+1+0
-1.8Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND84♥♠5=-8
-1.9Round 1🇹🇷 TURKEY33♥♦Q+1-7
-1.9Round 6🇧🇷 BRAZIL93♣♥2-1+2
-1.9Round 6🇧🇷 BRAZIL133♥♠5+1-1
-1.9Round 9🇫🇷 FRANCE132NT♦J-1-12
-1.9Round 11🇹🇼 CHINESE TAIPEI23♠♦K-2+0
-2.1Round 12🇹🇭 THAILAND72♥♠2+1-10
-2.3Round 10🇨🇳 CHINA84♦♥5=-1
-2.6Round 15🇳🇱 NETHERLANDS92NT♦3+1-1
-2.7Round 8🇵🇱 POLAND83♣x♥A-1+0
-2.7Round 8🇵🇱 POLAND102♥♦K-3-4
-2.8Round 3🇮🇩 INDONESIA84♥♣10-1-8
-2.8Round 6🇧🇷 BRAZIL71NT♦2-1-6
-2.8Round 9🇫🇷 FRANCE95♣♥5-1-5
-2.9Round 13🇭🇺 HUNGARY34♥♠3+1-4
-3.1Round 2🇨🇱 CHILE111NT♠5-2+0
-3.2Round 1🇹🇷 TURKEY53NT♥9+1+0
-3.2Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND53♦♥A-2+6
-3.2Round 12🇹🇭 THAILAND102♦♠9-2-2
-3.3Round 5🇳🇴 NORWAY33NT♣J-2-6
-3.4Round 11🇹🇼 CHINESE TAIPEI143♥♠6+1+6
-3.4Round 15🇳🇱 NETHERLANDS26♥♣4=+0
-3.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND143♥x♠K-1-6
-3.7Round 5🇳🇴 NORWAY64♥♠Q+1-4
-3.8Round 3🇮🇩 INDONESIA114♠♥9-2-6
-3.8Round 7🇭🇰 CHINA HONG KONG102NT♣K-1-5
-4.1Round 9🇫🇷 FRANCE22♥♦10=-12
-4.2Round 5🇳🇴 NORWAY125♦♣5=+1
-4.2Round 10🇨🇳 CHINA134NT♥2+1-13
-4.3Round 2🇨🇱 CHILE94♠♥4=+1
-4.3Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND14♠♥Q=-8
-4.3Round 12🇹🇭 THAILAND66♥♥9=+0
-5.0Round 5🇳🇴 NORWAY84♠♠2=+0
-5.2Round 6🇧🇷 BRAZIL63NT♥K-3-7
-5.2Round 9🇫🇷 FRANCE103♦♦7-2-3
-5.3Round 3🇮🇩 INDONESIA44♠♦3+1+0
-5.5Round 4🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND24♥♠3=-11
-5.5Round 10🇨🇳 CHINA104♥♠A-1-12
-5.8Round 15🇳🇱 NETHERLANDS53NT♥Q-1-12
-5.9Round 5🇳🇴 NORWAY94♥♦Q=-3
-6.1Round 3🇮🇩 INDONESIA65♥x♦K-4+16
-6.2Round 5🇳🇴 NORWAY14♠♥J=+0
-6.4Round 13🇭🇺 HUNGARY52NT♠2-3-5
-6.5Round 8🇵🇱 POLAND23NT♣2-2-8
-6.7Round 10🇨🇳 CHINA54♠♥A=-7
-6.8Round 1🇹🇷 TURKEY23♥♦5-4+1
-7.6Round 10🇨🇳 CHINA13NT♥2-2-17
-7.8Round 8🇵🇱 POLAND74♠♣J-1-12
-7.8Round 11🇹🇼 CHINESE TAIPEI84♥♣5+1+0
-8.4Round 10🇨🇳 CHINA93NT♠K=-7
-9.3Round 2🇨🇱 CHILE74♠♣7=+0
-9.6Round 2🇨🇱 CHILE33NT♥8-1-11
-9.8Round 1🇹🇷 TURKEY133NT♦K=+1
-12.5Round 11🇹🇼 CHINESE TAIPEI93♥x♠5-5-15
-13.6Round 13🇭🇺 HUNGARY76♥♣A=-13