JENG Andrew · USA JENG

17rank
+51.6Butler · 60 bds
+0.86per board
±4.1swing
+0.37vs par /bd · #28/73
+1.10adjusted /bd
Butler per round: 10.9 -5.6 5.3 -2.9 5.6 38.3by round

vs par split: bidding -0.28 · play +0.65

Strength of schedule: opponents averaged +0.24/bd (a tough draw) → opponent-adjusted +1.10/bd

Card play — on target: opening leads 77.8% #47 of 73 · declarer play 88.9% #6 of 73 · defence 85.2% #23 of 73

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)80.0% (5)
Declarer play100.0% (5)84.6% (13)
Defence80.0% (10)88.2% (17)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 75.0% (4) · ♦ 100.0% (1) · ♣ 50.0% (2)

vs par by strain: NT +0.24 (21) · a suit +0.44 (39)

vs par by level: part-score +0.91 (23) · game +0.03 (36) · slam +0.00 (1)

By role: declaring +1.93/bd (-1.39 vs par · 33) · defending -0.45/bd (+2.52 vs par · 27)

By vulnerability: vulnerable +1.07/bd (-0.21 vs par · 29) · not vulnerable +0.67/bd (+0.90 vs par · 31)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2R.JengV.Lamoureux – MILLER JASONOpen10+10.9+1.09+0.30
Round 3R.JengB.Kristensen – G.HermanOpen10-5.6-0.56-1.20
Round 4R.JengY.Lu – X.LuOpen10+5.3+0.53+3.80
Round 5R.JengF.Yu – K.JinOpen10-2.9-0.29+0.40
Round 6R.JengE.Berman – A.LadyzhenskyClosed10+5.6+0.56+0.90
Round 7R.JengH.Berk – D.SoukupOpen10+38.3+3.83-2.00

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
+12.4Round 7BERK76NT♥3=+0
+9.9Round 2BERK S185♣♦6=+11
+7.7Round 4CHINA GIRLS SX CLUB103NT♦A=+0
+7.7Round 7BERK43NT♠9+1+0
+6.6Round 6BERMAN273NT♦A=+7
+6.2Round 2BERK S163♣♠4+1+7
+5.5Round 7BERK63NT♥7-2-11
+5.2Round 3KRISTENSEN245♥x♣A-1+9
+4.8Round 2BERK S123NT♦6+3+1
+4.4Round 4CHINA GIRLS SX CLUB83NT♥5+2+2
+4.2Round 4CHINA GIRLS SX CLUB13NT♦10-2+9
+4.1Round 5CHINA XNWY184♥♣3+1+0
+4.0Round 7BERK104♥♠9-1+12
+3.8Round 5CHINA XNWY201♦♣K+2+0
+3.5Round 7BERK53NT♣10+3-10
+3.5Round 7BERK81NT♠4=+5
+3.3Round 7BERK14♥♠2=+0
+3.2Round 6BERMAN294♦♠A+1+10
+3.2Round 7BERK92♥♦K=+0
+2.9Round 5CHINA XNWY193♥♠A-1+4
+2.9Round 6BERMAN234♠♥K+2-13
+2.6Round 3KRISTENSEN303♥♣3-3+2
+2.1Round 3KRISTENSEN255♥x♠4-1+7
+2.0Round 6BERMAN302♠♦8+1+6
+1.7Round 2BERK S112♦♣3-1+4
+1.7Round 6BERMAN284♠♣A=+0
+1.6Round 2BERK S153♥♦5-1+6
+1.5Round 6BERMAN224♥♣K+2+1
+1.0Round 3KRISTENSEN291NT♠7+3+2
+0.9Round 5CHINA XNWY143NT♥J-1-2
+0.9Round 5CHINA XNWY152♠♦K+1-7
+0.2Round 4CHINA GIRLS SX CLUB34♥♦A-1+2
+0.1Round 6BERMAN242♠♦3-1+1
-0.2Round 4CHINA GIRLS SX CLUB23♥♦A-1-2
-0.3Round 2BERK S174♥♠Q+2-14
-0.5Round 4CHINA GIRLS SX CLUB93NT♥9+1+13
-0.8Round 2BERK S202♥♠5=+0
-1.0Round 7BERK35♦♣A-2-2
-1.2Round 3KRISTENSEN233♣♠K=+0
-1.3Round 4CHINA GIRLS SX CLUB54♠♥5+2+11
-1.3Round 6BERMAN263NT♠3+1+0
-1.4Round 2BERK S133♦♠5=+0
-1.4Round 5CHINA XNWY123NT♦5=+1
-1.5Round 3KRISTENSEN263NT♦6+3-13
-1.7Round 4CHINA GIRLS SX CLUB42♥♠6-1-1
-1.9Round 5CHINA XNWY113NT♣4+1+11
-2.2Round 5CHINA XNWY134♠♥A=+0
-2.2Round 6BERMAN252♥♣5=+0
-2.5Round 3KRISTENSEN223NT♦J+3-2
-2.8Round 2BERK S144♠♥3+1+0
-2.8Round 3KRISTENSEN273♥♦6-1-5
-3.3Round 4CHINA GIRLS SX CLUB64♥♠4-2+5
-3.6Round 5CHINA XNWY162♠♦J-2-3
-3.8Round 7BERK24♥♠4+2-14
-4.2Round 3KRISTENSEN282NT♣A+1-7
-4.2Round 4CHINA GIRLS SX CLUB72NT♥4=-1
-4.3Round 3KRISTENSEN215♣♠K-1-5
-6.4Round 5CHINA XNWY173NT♥Q=+0
-8.0Round 2BERK S194♠♣2-1-12
-8.9Round 6BERMAN214♥♥7=-3