ZWERLING Marc · SIMSON

20rank
+35.1Butler · 60 bds
+0.58per board
±4.2swing
-1.02vs par /bd · #139/148
+0.77adjusted /bd
Butler per round: -2.8 22.8 18.2 2.5 -5.7 0.1by round

vs par split: bidding -0.68 · play -0.33

Strength of schedule: opponents averaged +0.18/bd (a tough draw) → opponent-adjusted +0.77/bd

Card play — on target: opening leads 80.0% #70 of 148 · declarer play 85.7% #19 of 148 · defence 76.9% #127 of 148

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)81.8% (11)
Declarer play80.0% (5)88.9% (9)
Defence66.7% (6)80.0% (20)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 100.0% (3) · ♦ 100.0% (1) · ♣ 66.7% (6)

vs par by strain: NT -0.47 (17) · a suit -1.23 (43)

vs par by level: part-score -2.21 (24) · game -0.07 (31) · slam -1.20 (5)

By role: declaring +1.17/bd (-2.21 vs par · 34) · defending -0.18/bd (+0.54 vs par · 26)

By vulnerability: vulnerable +1.02/bd (+0.07 vs par · 31) · not vulnerable +0.12/bd (-2.17 vs par · 29)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2S.ElliottT.Brown – P.BuchenOpen10-2.8-0.28-2.30
Round 3S.ElliottH.Sharples – G.MarshallClosed10+22.8+2.28+0.50
Round 5S.ElliottE.Huidobro – R.GarciaClosed10+18.2+1.82-0.10
Round 7S.ElliottR.Lin – J.TaoClosed10+2.5+0.25-2.00
Round 8S.ElliottM.Ino – K.YamadaOpen10-5.7-0.57-0.50
Round 9S.ElliottR.Passal – L.GriffeyOpen10+0.1+0.01-1.70

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
+10.8Round 3NORTHWEST PLUS44♥♠10=+10
+8.7Round 3NORTHWEST PLUS73NT♥10=+0
+8.1Round 5CHILE SENIORS236♦x♠K-2+8
+7.3Round 8JAPAN SENIORS255♥x♣7-1+11
+7.1Round 5CHILE SENIORS274♥♥7=+0
+7.1Round 7CHINA EVERTRUST202♦♦J+3+11
+7.0Round 5CHILE SENIORS224♥♦10+1+0
+5.2Round 8JAPAN SENIORS303NT♥7=+0
+4.7Round 3NORTHWEST PLUS84♠♣5-1+5
+4.2Round 2GRIZZLY KOALAS194♥♥4=+0
+4.1Round 7CHINA EVERTRUST144♠♦J-1-2
+3.6Round 3NORTHWEST PLUS102NT♥2=+6
+3.2Round 3NORTHWEST PLUS13NT♠3+1+7
+2.3Round 9PREMO11NT♥J+1-7
+2.2Round 7CHINA EVERTRUST192♠♣8+1-8
+2.1Round 5CHILE SENIORS213NT♠2+1+1
+1.9Round 5CHILE SENIORS302♦♠A=+0
+1.9Round 8JAPAN SENIORS244♥♠7+1+0
+1.9Round 9PREMO32♦♣7-1+4
+1.8Round 8JAPAN SENIORS273NT♠6-1+5
+1.8Round 9PREMO52♠♣7=+5
+1.5Round 5CHILE SENIORS246NT♥6=+0
+1.5Round 7CHINA EVERTRUST162♠♦A=+0
+1.5Round 9PREMO73♣♦A+2-10
+1.4Round 2GRIZZLY KOALAS166♠♥Q=-11
+1.4Round 2GRIZZLY KOALAS172♥♦J=+0
+1.4Round 8JAPAN SENIORS262♥♦Q+1+0
+1.2Round 7CHINA EVERTRUST132♠♦10-1+0
+1.0Round 2GRIZZLY KOALAS136♠♣10=+8
+1.0Round 3NORTHWEST PLUS33♣♣2+2-10
+0.8Round 9PREMO84♠♠6=+0
+0.5Round 2GRIZZLY KOALAS202♠♥Q+1+0
+0.4Round 8JAPAN SENIORS233NT♥2+1+0
-0.0Round 2GRIZZLY KOALAS154♥♦7=+0
-0.0Round 3NORTHWEST PLUS63NT♠4=+0
-0.0Round 9PREMO44♥♣K+1+0
-0.1Round 5CHILE SENIORS295♦♣3=+1
-0.1Round 7CHINA EVERTRUST122♦♥3+2-7
-0.1Round 8JAPAN SENIORS281NT♥Q=-1
-0.1Round 9PREMO62♥♣7+1+0
-0.2Round 7CHINA EVERTRUST115♥♣A+1+11
-0.3Round 5CHILE SENIORS253NT♠5+2+0
-0.4Round 9PREMO94♠♠A+1-1
-0.6Round 9PREMO24♠♦K-1-5
-0.7Round 2GRIZZLY KOALAS183NT♥9+2+0
-1.5Round 3NORTHWEST PLUS54♠♥3+1+0
-1.8Round 5CHILE SENIORS282♠♥K=+0
-2.1Round 2GRIZZLY KOALAS121NT♣2-1-2
-2.1Round 3NORTHWEST PLUS93♣♦3-2-2
-2.5Round 7CHINA EVERTRUST152♦♣9=+0
-3.9Round 7CHINA EVERTRUST175♣♥2+2-14
-4.2Round 2GRIZZLY KOALAS113NT♥7-3-7
-4.3Round 2GRIZZLY KOALAS144♠♦7=-11
-5.6Round 3NORTHWEST PLUS22♠♠2=-11
-5.9Round 8JAPAN SENIORS293NT♥J-3-9
-6.9Round 7CHINA EVERTRUST186♣♦K-1-11
-7.1Round 9PREMO104♠♦4=-3
-7.3Round 5CHILE SENIORS262♥♠J-1-11
-7.4Round 8JAPAN SENIORS223NT♥2+1-1
-10.3Round 8JAPAN SENIORS213♦♠J-1-10