🇺🇸 JENG Richard · USA2

29rank
+61.9Butler · 128 bds
+0.48per board
±4.4swing
-0.13vs par /bd · #61/107
+0.50adjusted /bd
Butler per round: -0.3 2.5 -1.3 12.1 6.2 -8.7 -10.5 6.2 -11.8 23 16.7 -4.3 10.1 9.2 -0.1 12.9by round

vs par split: bidding -0.12 · play -0.02

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted +0.50/bd

Card play — on target: opening leads 88.9% #14 of 107 · declarer play 69.4% #81 of 107 · defence 87.7% #37 of 107

Bidding activity — not a pass: 50.3% #4 of 107 (187/372)

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (3)86.7% (15)
Declarer play40.0% (10)80.8% (26)
Defence100.0% (7)86.0% (50)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 80.0% (5) · ♦ 75.0% (4) · ♣ 100.0% (6)

vs par by strain: NT +0.15 (27) · a suit -0.21 (101)

vs par by level: part-score +0.28 (47) · game -0.06 (72) · slam -2.89 (9)

By role: declaring +0.47/bd (-1.65 vs par · 71) · defending +0.50/bd (+1.75 vs par · 57)

By vulnerability: vulnerable +1.24/bd (+0.89 vs par · 64) · not vulnerable -0.27/bd (-1.16 vs par · 64)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.XiaoH.Luba – B.ZhuClosed8-0.3-0.04+0.12
Round 2B.XiaoD.Winter – L.SandersonOpen8+2.5+0.31+0.75
Round 3B.XiaoX.Friesen – R.GoorClosed8-1.3-0.16-1.38
Round 5B.XiaoP.Promjan – S.KocharoenOpen8+12.1+1.51+0.62
Round 6B.XiaoA.Zeitak – N.KhutorskyOpen8+6.2+0.78+0.88
Round 7B.XiaoE.Hansson – C.MannOpen8-8.7-1.09+0.12
Round 8B.XiaoT.Chowdhury – T.RodriguesOpen8-10.5-1.31-3.50
Round 10B.XiaoM.Kedzierski – R.MadejClosed8+6.2+0.78+0.50
Round 11B.XiaoR.Guth – M.Kurek BeaulieuClosed8-11.8-1.48-0.25
Round 12B.XiaoK.Yagishita – T.InamiOpen8+23.0+2.88+1.25
Round 13B.XiaoG.Bartley – G.MorganOpen8+16.7+2.09-0.25
Round 14B.XiaoC.Lahrmann – D.TylvadOpen8-4.3-0.54-2.00
Round 16B.XiaoL.To – A.SetoClosed8+10.1+1.26+1.38
Round 17B.XiaoM.De Almeida Vasconcelos – H.SalomaoOpen8+9.2+1.15+0.00
Round 18B.XiaoI.Papaspyrou – M.SoumplisClosed8-0.1-0.01-0.38
Round 19B.XiaoY.Wen – J.ChenOpen8+12.9+1.61+0.00

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
+11.5Round 1🇺🇸 USA132♥xx♦7-2+13
+11.0Round 6🇮🇱 ISRAEL147♦♠3=+10
+10.4Round 19🇨🇳 CHINA195♣x♦K-4-11
+9.8Round 16🇭🇰 HONG KONG CHINA293NT♦3-3+10
+8.6Round 16🇭🇰 HONG KONG CHINA323NT♦5=+10
+7.9Round 5🇹🇭 THAILAND63NT♥3+1+1
+7.5Round 10🇵🇱 POLAND94♠♠T+2+11
+7.5Round 12🇯🇵 JAPAN284♠♦6-2+6
+7.4Round 11🇫🇷 FRANCE227♠♣A-2+11
+7.1Round 10🇵🇱 POLAND124♠♦8=+6
+6.8Round 13🇦🇺 AUSTRALIA64♥♦K-2+3
+6.8Round 13🇦🇺 AUSTRALIA76NT♦3=+0
+6.8Round 14🇩🇰 DENMARK104♥♣2-1+12
+6.8Round 19🇨🇳 CHINA233♦♦2+3+15
+6.5Round 12🇯🇵 JAPAN254♠♥T=+0
+6.0Round 18🇬🇷 GREECE154♠x♣T=+4
+5.8Round 17🇧🇷 BRAZIL23NT♥J+1+7
+5.7Round 12🇯🇵 JAPAN274♠♥Q=+0
+5.6Round 3🇳🇱 NETHERLANDS174♥♥4-2+6
+5.6Round 18🇬🇷 GREECE123NT♥3=+0
+5.3Round 17🇧🇷 BRAZIL74♥♣A-1+1
+5.0Round 17🇧🇷 BRAZIL42♣♦4=+5
+4.7Round 12🇯🇵 JAPAN293♥♥J-2+3
+4.6Round 5🇹🇭 THAILAND13♠♥8=+1
+4.6Round 5🇹🇭 THAILAND82NT♣8-3+6
+4.6Round 8🇮🇳 INDIA254♥♠J=+3
+4.4Round 17🇧🇷 BRAZIL63♥♠K+1+6
+4.1Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND94♠x♦5=+5
+3.8Round 1🇺🇸 USA122♠♦Q+1+0
+3.5Round 12🇯🇵 JAPAN314♠♥7+1+11
+3.2Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND124♥♠A-2+6
+3.0Round 14🇩🇰 DENMARK114♠♣3=+3
+2.9Round 13🇦🇺 AUSTRALIA53♠♣T=+1
+2.8Round 7🇸🇪 SWEDEN235♣♠K-2+2
+2.8Round 10🇵🇱 POLAND142♥♦K+1+0
+2.8Round 16🇭🇰 HONG KONG CHINA262♥♦A+2+2
+2.8Round 19🇨🇳 CHINA203NT♣T+2+0
+2.6Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND154♠♥7-1+10
+2.3Round 7🇸🇪 SWEDEN194♥♣3=+0
+2.3Round 16🇭🇰 HONG KONG CHINA315♦x♦3-1-6
+2.2Round 14🇩🇰 DENMARK152♠♣J+1+0
+2.1Round 13🇦🇺 AUSTRALIA23♥♠A-2+0
+2.1Round 17🇧🇷 BRAZIL31NT♠7-2+5
+1.9Round 8🇮🇳 INDIA314♠♦A=+0
+1.7Round 6🇮🇱 ISRAEL105♣♥K=+0
+1.7Round 6🇮🇱 ISRAEL134♥♥Q+2-1
+1.7Round 19🇨🇳 CHINA184♦♥2-1+2
+1.5Round 18🇬🇷 GREECE162♥♥J-1-1
+1.4Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND133♥♣A-1+1
+1.4Round 3🇳🇱 NETHERLANDS223NT♦T=+0
+0.9Round 19🇨🇳 CHINA243♦♥Q+1+0
+0.8Round 11🇫🇷 FRANCE201NT♥6+1+0
+0.8Round 14🇩🇰 DENMARK134♠♣K+1+0
+0.7Round 1🇺🇸 USA173NT♣6+2+1
+0.7Round 5🇹🇭 THAILAND53♠♥5-1+6
+0.7Round 12🇯🇵 JAPAN324♥♣K+1+0
+0.6Round 3🇳🇱 NETHERLANDS203NT♦3+1+1
+0.5Round 3🇳🇱 NETHERLANDS212♦♠A-3+1
+0.4Round 1🇺🇸 USA142♥♣A=+1
+0.4Round 8🇮🇳 INDIA294♠♠6+1+0
+0.3Round 5🇹🇭 THAILAND44♥♦A-1+1
+0.3Round 7🇸🇪 SWEDEN201♠♣Q+2+0
+0.3Round 18🇬🇷 GREECE114♠♣3=-1
+0.2Round 6🇮🇱 ISRAEL121NT♠Q-1-5
+0.1Round 8🇮🇳 INDIA304♠♣A+1+0
+0.1Round 10🇵🇱 POLAND106♠x♠8-2+0
+0.1Round 12🇯🇵 JAPAN264♠♣K=+0
+0.1Round 13🇦🇺 AUSTRALIA83NT♥2+2+0
+0.1Round 14🇩🇰 DENMARK123NT♣2+2+0
-0.1Round 5🇹🇭 THAILAND34♠♦6=+0
-0.1Round 13🇦🇺 AUSTRALIA32♠♥A+1+6
-0.2Round 7🇸🇪 SWEDEN223NT♦4=+0
-0.2Round 14🇩🇰 DENMARK163♠♥Q=-10
-0.3Round 19🇨🇳 CHINA174♠♦Q+1+0
-0.5Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND113♦♣8=-7
-0.5Round 16🇭🇰 HONG KONG CHINA274♥♦J=+1
-0.6Round 5🇹🇭 THAILAND74♠♦6=+0
-0.6Round 7🇸🇪 SWEDEN243♦♥3+1-1
-0.6Round 11🇫🇷 FRANCE172♠♣9=+1
-0.7Round 13🇦🇺 AUSTRALIA41NT♦2=-1
-0.8Round 3🇳🇱 NETHERLANDS192♠♦J=+0
-0.9Round 1🇺🇸 USA181NT♥5-3+7
-1.1Round 6🇮🇱 ISRAEL112♥♣Q=+0
-1.2Round 13🇦🇺 AUSTRALIA14♥♦K=-11
-1.5Round 6🇮🇱 ISRAEL94♥♣3-1+5
-1.5Round 11🇫🇷 FRANCE193NT♣2=+0
-1.6Round 3🇳🇱 NETHERLANDS244♠♥5-1-5
-1.6Round 10🇵🇱 POLAND153♣♥9-2+0
-1.6Round 18🇬🇷 GREECE94♥♦T+2-11
-1.7Round 7🇸🇪 SWEDEN184♠♦T-1+0
-1.7Round 10🇵🇱 POLAND164♠♦4-2+5
-1.7Round 17🇧🇷 BRAZIL82♠♦A-1-2
-1.8Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND103♠♦K-1+0
-1.9Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND163♦♥7+1-1
-2.1Round 16🇭🇰 HONG KONG CHINA304♠♥7+1+0
-2.2Round 6🇮🇱 ISRAEL161NT♦K-3-2
-2.2Round 10🇵🇱 POLAND112♦x♦7-3-1
-2.2Round 17🇧🇷 BRAZIL14♠♥Q+2-11
-2.4Round 8🇮🇳 INDIA325♦♠A=-11
-2.5Round 8🇮🇳 INDIA262♠♦2=-6
-2.5Round 11🇫🇷 FRANCE245♦♠A-1-10
-2.6Round 1🇺🇸 USA161NT♥3-1-4
-2.6Round 3🇳🇱 NETHERLANDS183♦♦2+2-6
-2.9Round 18🇬🇷 GREECE134♥♠3+1+0
-3.4Round 11🇫🇷 FRANCE213NT♠Q-1-5
-3.5Round 7🇸🇪 SWEDEN174♥♠A-2+0
-3.6Round 6🇮🇱 ISRAEL154♠♥2=+0
-3.6Round 19🇨🇳 CHINA212♠♥J=+0
-3.7Round 18🇬🇷 GREECE141NT♥6+3-7
-4.4Round 3🇳🇱 NETHERLANDS235♦♥K-3-8
-4.6Round 2🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND144♠♠5+1-8
-4.6Round 16🇭🇰 HONG KONG CHINA255♦♥A-1-6
-4.9Round 8🇮🇳 INDIA286♠♣T-1-14
-5.3Round 5🇹🇭 THAILAND26♣x♥Q-2-10
-5.3Round 11🇫🇷 FRANCE233NT♦T=+1
-5.3Round 18🇬🇷 GREECE104♠♥9=+13
-5.7Round 12🇯🇵 JAPAN303NT♦J-1-10
-5.8Round 10🇵🇱 POLAND134♠♣3+2-17
-5.8Round 19🇨🇳 CHINA222♠♠2=-6
-6.2Round 16🇭🇰 HONG KONG CHINA283♠♣Q+2+0
-6.3Round 14🇩🇰 DENMARK92♠♦Q-3-9
-6.6Round 1🇺🇸 USA115♦x♣5-1-11
-6.6Round 1🇺🇸 USA155♥x♣K+1-6
-6.7Round 11🇫🇷 FRANCE185♦♥J=+0
-7.7Round 8🇮🇳 INDIA274♠♥5=+0
-8.1Round 7🇸🇪 SWEDEN216♣♥4=+0
-9.5Round 17🇧🇷 BRAZIL56NT♣K-2-11
-10.7Round 14🇩🇰 DENMARK146♥♦K-4-12