🇺🇸 JENG Richard · USA1

72rank
-73.2Butler · 128 bds
-0.57per board
±5.2swing
-0.06vs par /bd · #55/88
-0.36adjusted /bd
Butler per round: -50.4 -2.9 24.1 -16.1 -20.6 26.8 -21.1 -13by round

vs par split: bidding -0.22 · play +0.24

Strength of schedule: opponents averaged +0.21/bd (a tough draw) → opponent-adjusted -0.36/bd

Card play — on target: opening leads 72.2% #69 of 88 · declarer play 70.4% #46 of 88 · defence 84.1% #37 of 88

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)74.2% (31)
Declarer play50.0% (6)76.2% (21)
Defence85.7% (14)83.6% (55)

Opening leads by suit led: ♠ 72.7% (11) · ♥ 87.5% (8) · ♦ 72.7% (11) · ♣ 50.0% (6)

vs par by strain: NT -0.08 (24) · a suit +0.05 (99)

vs par by level: part-score +0.00 (43) · game +0.01 (71) · slam +0.22 (9)

By role: declaring -0.18/bd (-2.23 vs par · 57) · defending -0.89/bd (+1.68 vs par · 71)

By vulnerability: vulnerable -1.00/bd (-0.66 vs par · 64) · not vulnerable -0.15/bd (+0.53 vs par · 64)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2A.JengI.Gronkvist – M.GronkvistClosed16-50.4-3.15+0.06
Round 3A.JengA.Asulin – H.LeviOpen16-2.9-0.18-3.31
Round 4A.JengD.Soukup – H.BerkClosed16+24.1+1.51+0.62
Round 6A.JengI.Cailliau – J.BernardClosed16-16.1-1.01+0.81
Round 8A.JengZ.Tan – L.ZengOpen16-20.6-1.29+0.94
Round 11A.JengX.Feng – J.HebbertClosed16+26.8+1.68+1.94
Round 12A.JengG.Donati – G.PercarioOpen16-21.1-1.32-1.94
Round 13A.JengA.Zalitis – G.FreimanisClosed16-13.0-0.81+0.38

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
+14.7Round 11🇨🇦 CANADA104♠x♦7=+11
+11.9Round 4🇺🇸 USA255♠♣4+2+17
+10.1Round 11🇨🇦 CANADA125♣x♠A-4+3
+9.5Round 12🇮🇹 ITALY105♥♦Q-1+13
+8.3Round 2🇸🇪 SWEDEN134♠♣5-1+12
+7.3Round 4🇺🇸 USA2144♥♠K+1+0
+7.1Round 3🇮🇱 ISRAEL126♦♣K=+0
+6.9Round 8🇨🇳 CHINA14♠♥K-1+14
+6.9Round 11🇨🇦 CANADA163♦♠Q+1+8
+6.5Round 12🇮🇹 ITALY134♠♦2=+0
+6.3Round 11🇨🇦 CANADA154♠♦Q+1+6
+6.3Round 13🇱🇻 LATVIA163NT♦3-2+11
+5.7Round 3🇮🇱 ISRAEL12♥x♠6-1+7
+5.5Round 8🇨🇳 CHINA63NT♠5-1+12
+5.4Round 6🇫🇷 FRANCE104♠♣3-1+6
+5.2Round 2🇸🇪 SWEDEN16♦x♠7-2+10
+5.2Round 11🇨🇦 CANADA113♣♥4+3+6
+5.1Round 3🇮🇱 ISRAEL63♥♦5=+1
+4.9Round 6🇫🇷 FRANCE145♥♣3-1+11
+4.8Round 4🇺🇸 USA294♥♠K-1+10
+4.6Round 3🇮🇱 ISRAEL135♦♣10+1-13
+4.6Round 4🇺🇸 USA265♠♦2=+0
+4.4Round 3🇮🇱 ISRAEL54♠♠J+1+1
+4.3Round 11🇨🇦 CANADA42♦♠A-1+6
+4.2Round 6🇫🇷 FRANCE73NT♠3-1+12
+3.9Round 13🇱🇻 LATVIA75♣♦10-1+12
+3.7Round 3🇮🇱 ISRAEL23NT♦J+2+2
+3.7Round 6🇫🇷 FRANCE112♥♣J-1+5
+3.5Round 11🇨🇦 CANADA34♣♣6=+1
+3.4Round 8🇨🇳 CHINA84♥♣J+1+0
+3.3Round 13🇱🇻 LATVIA102♠♣J=+6
+3.1Round 6🇫🇷 FRANCE41NT♦3-2+3
+2.7Round 4🇺🇸 USA2115♣♥A-1+10
+2.7Round 6🇫🇷 FRANCE13♣♣K+1+7
+2.5Round 8🇨🇳 CHINA93♠♥A=+6
+2.5Round 12🇮🇹 ITALY154♠♣A=+0
+2.4Round 13🇱🇻 LATVIA141NT♦J+1+1
+2.1Round 8🇨🇳 CHINA116♥♣8+1+11
+2.1Round 12🇮🇹 ITALY143♠♦9=+0
+2.1Round 13🇱🇻 LATVIA14♠♥Q=+3
+1.9Round 13🇱🇻 LATVIA95♥♦J+1+11
+1.8Round 3🇮🇱 ISRAEL114♥♦5-2+0
+1.7Round 6🇫🇷 FRANCE92♠♦10-2+0
+1.7Round 8🇨🇳 CHINA103♠♥T-1+5
+1.7Round 13🇱🇻 LATVIA44♠x♥Q-1+8
+1.6Round 2🇸🇪 SWEDEN63♠♥5=+7
+1.6Round 4🇺🇸 USA236♥♥8=-13
+1.6Round 4🇺🇸 USA2124♠♥2=+0
+1.5Round 4🇺🇸 USA282♥♦K+2-6
+1.5Round 4🇺🇸 USA2133N♥5+4+2
+1.4Round 8🇨🇳 CHINA24♠♦2+2+5
+1.2Round 12🇮🇹 ITALY23♣♦A=+0
+0.9Round 2🇸🇪 SWEDEN126♠♥3=-11
+0.9Round 4🇺🇸 USA224♠♣J+1+0
+0.6Round 13🇱🇻 LATVIA54♥♦3+2+1
+0.5Round 11🇨🇦 CANADA23NT♠9+2+13
+0.4Round 11🇨🇦 CANADA54♥♦4+1+0
+0.4Round 13🇱🇻 LATVIA154♥♠K+2+1
+0.3Round 6🇫🇷 FRANCE133♠♣2=+0
-0.1Round 4🇺🇸 USA213N♠2+1+0
-0.1Round 8🇨🇳 CHINA163NT♥5+1+1
-0.1Round 12🇮🇹 ITALY84♠♥A-2-7
-0.4Round 4🇺🇸 USA2166♦x♣Q-4-7
-0.5Round 6🇫🇷 FRANCE65♥♦10=+11
-0.5Round 11🇨🇦 CANADA92♥♦4=+0
-0.6Round 12🇮🇹 ITALY115♥♦A+1-11
-0.7Round 6🇫🇷 FRANCE123NT♦2=-2
-0.8Round 13🇱🇻 LATVIA33NT♠3+2-1
-0.9Round 11🇨🇦 CANADA81NT♥K-2+1
-1.0Round 4🇺🇸 USA272♦♣2+1+0
-1.0Round 8🇨🇳 CHINA53♥♦6=+0
-1.4Round 3🇮🇱 ISRAEL141NT♥3+2-2
-1.4Round 3🇮🇱 ISRAEL153♠♥6-3+0
-1.7Round 8🇨🇳 CHINA122NT♥3=-5
-2.0Round 2🇸🇪 SWEDEN41N♠4+2-2
-2.0Round 3🇮🇱 ISRAEL101NT♠5-1-5
-2.1Round 2🇸🇪 SWEDEN82♥♠2-1+1
-2.1Round 13🇱🇻 LATVIA121NT♠Q=-5
-2.2Round 11🇨🇦 CANADA144♥♠5+1+0
-2.3Round 2🇸🇪 SWEDEN165♦♥4-1-5
-2.3Round 8🇨🇳 CHINA143NT♥Q-2+0
-2.8Round 4🇺🇸 USA2101♠♦A+2-1
-2.8Round 12🇮🇹 ITALY74♠♣4+1-13
-2.9Round 11🇨🇦 CANADA62♦x♠A-3-4
-2.9Round 12🇮🇹 ITALY54♥♦4-5+8
-3.0Round 2🇸🇪 SWEDEN92♠♦J+1-7
-3.1Round 2🇸🇪 SWEDEN153NT♥3=+1
-3.1Round 3🇮🇱 ISRAEL43♣♣3-1+1
-3.1Round 4🇺🇸 USA2154♠♥K=+0
-3.1Round 6🇫🇷 FRANCE51♠♥K+1+0
-3.1Round 12🇮🇹 ITALY162♠♥J-2-2
-3.7Round 12🇮🇹 ITALY14♥♠Q=-3
-3.7Round 13🇱🇻 LATVIA133♣♦5=-6
-3.8Round 2🇸🇪 SWEDEN143N♣2+1+0
-3.9Round 2🇸🇪 SWEDEN34♠♥3-1-5
-4.1Round 6🇫🇷 FRANCE162♠♣2=-6
-4.2Round 12🇮🇹 ITALY63♦♠Q-1+1
-4.4Round 3🇮🇱 ISRAEL33NT♠3=-6
-4.4Round 13🇱🇻 LATVIA24♠♦J=+0
-4.5Round 3🇮🇱 ISRAEL74♠♣K=-10
-5.1Round 8🇨🇳 CHINA133NT♠K=+1
-5.1Round 11🇨🇦 CANADA73NT♦2=+0
-5.1Round 12🇮🇹 ITALY44♠♥J-1-6
-5.2Round 8🇨🇳 CHINA43♥♦4=+0
-5.2Round 11🇨🇦 CANADA13NT♦5-1-10
-5.4Round 6🇫🇷 FRANCE83♥♥3=-1
-5.5Round 3🇮🇱 ISRAEL84♠x♦5-2-5
-5.5Round 3🇮🇱 ISRAEL94♠♣5+1-11
-6.4Round 12🇮🇹 ITALY123♦♣2-1-11
-6.9Round 4🇺🇸 USA243♠♠7-2-2
-6.9Round 12🇮🇹 ITALY94♥♣4+1+0
-7.0Round 13🇱🇻 LATVIA84♥x♠3-1-9
-7.1Round 6🇫🇷 FRANCE24♥♦K=-8
-7.1Round 12🇮🇹 ITALY34♥♣8=+0
-7.2Round 2🇸🇪 SWEDEN73NT♠3+3-1
-7.2Round 8🇨🇳 CHINA34♥♠3=-10
-7.5Round 2🇸🇪 SWEDEN113N♣2-3-11
-7.5Round 3🇮🇱 ISRAEL164NT♠6+2-13
-8.3Round 11🇨🇦 CANADA135♥♠5=-10
-8.6Round 2🇸🇪 SWEDEN26♠♥3=+0
-8.7Round 13🇱🇻 LATVIA113NT♣9-1-10
-8.9Round 13🇱🇻 LATVIA65♦x♠3-3-17
-9.1Round 6🇫🇷 FRANCE33♣♦2-4-10
-9.2Round 8🇨🇳 CHINA154♠♠3-2-13
-10.8Round 2🇸🇪 SWEDEN56♦♦8+1+12
-12.1Round 2🇸🇪 SWEDEN106♣♦4=+0
-12.1Round 6🇫🇷 FRANCE154♠x♥K=-15
-12.3Round 8🇨🇳 CHINA74♥♣8-1-12