🇺🇸 ZHU Vincent · USA2

64rank
-14.0Butler · 104 bds
-0.13per board
±3.9swing
+0.42vs par /bd · #30/111
-0.06adjusted /bd
Butler per round: -7.5 -4.3 -18.5 -11.7 4.5 10.9 2.1 -7.2 2.8 1.2 12.8 4.6 -3.7by round

vs par split: bidding +0.23 · play +0.19

Strength of schedule: opponents averaged +0.07/bd (a tough draw) → opponent-adjusted -0.06/bd

Card play — on target: opening leads 87.5% #16 of 111 · declarer play 63.6% #98 of 111 · defence 80.4% #90 of 111

Bidding activity — not a pass: 40.2% #89 of 111 (111/276)

Card play by contract type — on target
vs NTvs a suit
Opening leads57.1% (7)100.0% (17)
Declarer play66.7% (6)62.5% (16)
Defence81.2% (16)80.0% (40)

Opening leads by suit led: ♥ 81.8% (11) · ♦ 87.5% (8) · ♣ 100.0% (5)

vs par by strain: NT +1.12 (33) · a suit +0.10 (71)

vs par by level: part-score +0.59 (42) · game -0.16 (57) · slam +5.60 (5)

By role: declaring -0.32/bd (-1.60 vs par · 48) · defending +0.03/bd (+2.16 vs par · 56)

By vulnerability: vulnerable -0.10/bd (+0.69 vs par · 52) · not vulnerable -0.17/bd (+0.15 vs par · 52)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1A.DhirJ.Udomsrirungruang – M.JohnstoneClosed8-7.5-0.94-1.50
Round 2A.DhirS.Vazic – M.SeizovicOpen8-4.3-0.54-1.62
Round 3A.DhirJ.Andruszkiewicz – E.SuchardaOpen8-18.5-2.31-1.38
Round 6A.DhirG.Donati – G.PercarioClosed8-11.7-1.46-0.75
Round 7A.DhirK.Panchagnula – J.ClarkOpen8+4.5+0.56+1.12
Round 8A.DhirZ.Zhu – Y.ZuoOpen8+10.9+1.36+3.50
Round 11A.DhirE.Vallet – R.BlochOpen8+2.1+0.26+1.75
Round 12A.DhirP.Dey – S.ChatterjeeOpen8-7.2-0.90-0.25
Round 14A.DhirN.Davila – B.PerezClosed8+2.8+0.35-0.50
Round 15A.DhirM.Satriawan – S.WijayantoClosed8+1.2+0.15+3.12
Round 16A.DhirR.Nunez – C.NunezOpen8+12.8+1.60+2.38
Round 17A.DhirH.Koh – J.OngClosed8+4.6+0.57-0.50
Round 19C.WellandR.Luhaorg – R.PiirisildOpen8-3.7-0.46+0.12

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
+11.2Round 16🇦🇷 ARGENTINA315♣x♦A-2+9
+10.2Round 15🇮🇩 INDONESIA205♣♥6-2+13
+7.7Round 14🇨🇱 CHILE163NT♥Q+1+0
+7.5Round 11🇫🇷 FRANCE226♠♣A-1+11
+7.4Round 17🇸🇬 SINGAPORE73♥♣K=+7
+7.3Round 19🇪🇪 ESTONIA185♦x♥9-2+5
+6.9Round 8🇩🇪 GERMANY314♥♦6-1+10
+6.3Round 8🇩🇪 GERMANY286NT♥2-1+14
+6.3Round 11🇫🇷 FRANCE183NT♥Q-3+14
+5.9Round 17🇸🇬 SINGAPORE35♣x♥Q-2+9
+5.8Round 16🇦🇷 ARGENTINA293NT♣6-2+8
+5.0Round 6🇮🇹 ITALY153NT♥2+2+1
+4.3Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND173♥♠A=+6
+4.1Round 1🇺🇸 USA115♣♣J-1+10
+3.8Round 16🇦🇷 ARGENTINA263♥♥3+1+2
+3.8Round 19🇪🇪 ESTONIA196♥♣K-2+17
+3.7Round 19🇪🇪 ESTONIA243♠♥2-1+5
+3.4Round 2🇷🇸 SERBIA121NT♠A+2+0
+3.3Round 14🇨🇱 CHILE102♣♠J+3+10
+3.2Round 8🇩🇪 GERMANY325♦♠A+1+10
+2.9Round 3🇵🇱 POLAND183♦♥K+1+6
+2.9Round 12🇮🇳 INDIA302NT♦J=+7
+2.2Round 11🇫🇷 FRANCE212NT♦3=+0
+2.1Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND194♥♣J=+0
+2.1Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND223NT♣7+1+1
+1.4Round 1🇺🇸 USA132♠♣K=+1
+1.4Round 8🇩🇪 GERMANY261NT♦A=+5
+1.2Round 12🇮🇳 INDIA264♠♣K=+0
+1.2Round 14🇨🇱 CHILE144♠♦7+1+0
+1.1Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND233NT♥7-1-6
+1.0Round 17🇸🇬 SINGAPORE81♦♣4+1-1
+0.9Round 1🇺🇸 USA182♦♥6-2-8
+0.9Round 16🇦🇷 ARGENTINA284♠♣Q=+6
+0.8Round 2🇷🇸 SERBIA113♦♥K=+7
+0.7Round 2🇷🇸 SERBIA94♠♣5=+0
+0.7Round 12🇮🇳 INDIA292♠♣A=+0
+0.7Round 17🇸🇬 SINGAPORE53NT♣K+1-1
+0.6Round 15🇮🇩 INDONESIA214♥♦3=+0
+0.5Round 1🇺🇸 USA161NT♥3=+0
+0.4Round 17🇸🇬 SINGAPORE21NT♥J+1+0
+0.3Round 2🇷🇸 SERBIA133♥♣A-1-1
+0.3Round 3🇵🇱 POLAND173♥♣5=+0
+0.2Round 14🇨🇱 CHILE123NT♣5+2+0
+0.1Round 1🇺🇸 USA173NT♥9+1+0
+0.0Round 8🇩🇪 GERMANY304♠♥2+1+0
-0.0Round 14🇨🇱 CHILE134♠♣K=-1
-0.1Round 3🇵🇱 POLAND203NT♠A+1-1
-0.1Round 12🇮🇳 INDIA324♥♣A+1+0
-0.1Round 15🇮🇩 INDONESIA194♠♥A=+1
-0.2Round 2🇷🇸 SERBIA142♠♣5+2+2
-0.2Round 6🇮🇹 ITALY111NT♣Q=-1
-0.3Round 12🇮🇳 INDIA252♠♥A+1+7
-0.3Round 15🇮🇩 INDONESIA223NT♠T+2+0
-0.3Round 19🇪🇪 ESTONIA174♠♦Q+1+0
-0.4Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND214NT♥6+1+10
-0.4Round 8🇩🇪 GERMANY273♠♥5=-7
-0.4Round 12🇮🇳 INDIA315♠♣A+1-11
-0.5Round 3🇵🇱 POLAND223NT♠A=+0
-0.6Round 6🇮🇹 ITALY162♥♦K-1-2
-0.6Round 17🇸🇬 SINGAPORE14♠♥Q+2-11
-0.9Round 6🇮🇹 ITALY121NT♥5=+5
-1.1Round 11🇫🇷 FRANCE201NT♥6=-1
-1.1Round 19🇪🇪 ESTONIA222♥♣7+1+0
-1.2Round 3🇵🇱 POLAND211NT♦7+2-1
-1.2Round 11🇫🇷 FRANCE193NT♦6=+0
-1.2Round 15🇮🇩 INDONESIA233♠♦2-1+11
-1.4Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND201♠♣Q+3-1
-1.5Round 15🇮🇩 INDONESIA244♥♠8=+0
-1.5Round 16🇦🇷 ARGENTINA254♥x♣K-1-1
-1.6Round 2🇷🇸 SERBIA154♠♥7-1-10
-1.6Round 6🇮🇹 ITALY146♦♠6+1+2
-1.6Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND184♠♦T-1+0
-1.7Round 7🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND241NT♥A+2-1
-1.9Round 1🇺🇸 USA142♠♣Q+1+0
-2.0Round 8🇩🇪 GERMANY294♠♣5+1+0
-2.2Round 16🇦🇷 ARGENTINA274♥♦J=+1
-2.2Round 19🇪🇪 ESTONIA203NT♥7+3-1
-2.3Round 6🇮🇹 ITALY133NT♣J+3+1
-2.3Round 11🇫🇷 FRANCE245♦♠A-1-10
-2.3Round 15🇮🇩 INDONESIA183♠♥K=+0
-2.5Round 1🇺🇸 USA122♠♦Q+1+0
-2.5Round 14🇨🇱 CHILE112♥♠8+1-4
-2.5Round 16🇦🇷 ARGENTINA304♠♥6+1+0
-2.7Round 16🇦🇷 ARGENTINA323NT♣6-1-6
-3.1Round 11🇫🇷 FRANCE172♠♣9+2-1
-3.2Round 14🇨🇱 CHILE91NT♠4-1-5
-3.8Round 2🇷🇸 SERBIA102♠♦K=-5
-3.9Round 2🇷🇸 SERBIA162♥♣6+1-6
-3.9Round 14🇨🇱 CHILE153♦x♠T-2-4
-4.0Round 17🇸🇬 SINGAPORE42♠♣A+2-2
-4.2Round 6🇮🇹 ITALY105♣♥A=+0
-4.2Round 15🇮🇩 INDONESIA173NT♠4=+0
-4.5Round 8🇩🇪 GERMANY254♥♣5+1-4
-4.7Round 3🇵🇱 POLAND192♠♦J-1-5
-5.2Round 12🇮🇳 INDIA274♠♥Q=+0
-5.3Round 3🇵🇱 POLAND235♦x♣A-3-4
-6.0Round 12🇮🇳 INDIA284♠♣A-1-5
-6.2Round 11🇫🇷 FRANCE233NT♠Q=+1
-6.2Round 17🇸🇬 SINGAPORE64♥x♠K=-5
-6.7Round 19🇪🇪 ESTONIA214♠♥5-3-9
-6.9Round 6🇮🇹 ITALY95♥x♣3-2-12
-8.2Round 19🇪🇪 ESTONIA236♠♥Q-1-16
-9.9Round 3🇵🇱 POLAND243NT♦9=-6
-10.1Round 1🇺🇸 USA154♠♥A+1-15