ZWERLING Marc · LORTZ

31rank
+77.7Butler · 147 bds
+0.53per board
±4.5swing
+1.06vs par /bd · #14/107
+0.59adjusted /bd
Butler per round: 4 4.6 -9.7 -5 9.5 -17.2 -7.2 16.3 12.7 10.3 9.3 -2.7 1.6 -16.1 31.5 14.6 33.4 -15.7 2.2 -1 2.3by round

vs par split: bidding +0.29 · play +0.78

Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted +0.59/bd

Card play — on target: opening leads 80.0% #47 of 107 · declarer play 80.6% #15 of 107 · defence 84.9% #59 of 107

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (16)84.2% (19)
Declarer play71.4% (7)82.8% (29)
Defence82.1% (28)86.7% (45)

Opening leads by suit led: ♠ 75.0% (12) · ♥ 85.7% (7) · ♦ 100.0% (7) · ♣ 66.7% (9)

vs par by strain: NT +1.08 (50) · a suit +1.05 (97)

vs par by level: part-score -0.12 (65) · game +1.82 (76) · slam +4.33 (6)

By role: declaring +0.43/bd (-1.39 vs par · 74) · defending +0.62/bd (+3.55 vs par · 73)

By vulnerability: vulnerable +0.14/bd (-0.01 vs par · 75) · not vulnerable +0.93/bd (+2.18 vs par · 72)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.TolliverJ.Pan – X.GuClosed7+4.0+0.57+2.00
Round 2M.TolliverT.Yoshida – H.AbeOpen7+4.6+0.66-1.57
Round 3M.TolliverD.Sacul – P.JariyanantanetrClosed7-9.7-1.39+0.86
Round 4M.TolliverM.Schoenborn – F.LernerClosed7-5.0-0.71+4.71
Round 5M.TolliverS.Zeligman – V.MelmanClosed7+9.5+1.36+0.86
Round 6M.TolliverA.Kowalski – J.RomanskiClosed7-17.2-2.46+0.86
Round 7M.TolliverM.Itabashi – R.GrabelOpen7-7.2-1.03+0.00
Round 8M.TolliverF.Hamilton – A.FisherOpen7+16.3+2.33+2.43
Round 9M.TolliverL.Stansby – B.BramleyClosed7+12.7+1.81-2.29
Round 10M.TolliverS.Ho – A.YeungClosed7+10.3+1.47-1.00
Round 11M.TolliverJ.Holland – C.MariOpen7+9.3+1.33-0.14
Round 12M.TolliverM.Sawiruddin – M.HartonoClosed7-2.7-0.39+3.86
Round 13M.TolliverK.Yamada – M.InoClosed7+1.6+0.23+0.29
Round 14M.TolliverE.Otvosi – G.SzappanosOpen7-16.1-2.30-1.29
Round 15M.TolliverR.Lyall – H.DhariwalOpen7+31.5+4.50+4.71
Round 16M.TolliverS.Xu – J.LiuOpen7+14.6+2.09+0.86
Round 17M.TolliverR.Gao – H.ZhangOpen7+33.4+4.77+4.86
Round 18M.TolliverX.Shen – M.ShenClosed7-15.7-2.24-3.43
Round 19M.TolliverG.Lu – J.FuOpen7+2.2+0.31+1.29
Round 20M.TolliverE.Tse – R.LingClosed7-1.0-0.14+0.86
Round 21M.TolliverP.Choy – R.ZajacOpen7+2.3+0.33+3.57

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
+14.5Round 15ENGINEERS26♣♥Q=+12
+13.9Round 17HUBEI QIAOXIE166♠x♣4-2+18
+12.1Round 5MARKOWICZ63NT♠8+4+17
+9.9Round 9LYNCH136♠♥A+1-13
+9.8Round 15ENGINEERS65♥x♠2-2+12
+8.9Round 10MASTER MINDS204♥♠8=+1
+8.3Round 21SINGAPORE185♣♠9+1+14
+7.8Round 2IMAX106♦♥5-1+12
+7.7Round 17HUBEI QIAOXIE153NT♦6=+10
+7.2Round 8STERNBERG13NT♦9-1+10
+6.5Round 11HACKETT223♦♠J-3+9
+6.5Round 17HUBEI QIAOXIE203NT♠10+1+0
+6.4Round 20HK SENIOR FRIENDS123NT♥5=+3
+5.9Round 1WUHAN63NT♠Q=+11
+5.9Round 6MILNER114♠x♣A-2+5
+5.9Round 15ENGINEERS32♣♥9+2+5
+5.8Round 8STERNBERG63NT♥3-1+12
+5.6Round 12INDONESIA32♦♣3-1+12
+5.5Round 2IMAX95♣♦K=+0
+5.4Round 3MAGIC EYES202NT♠6+2+15
+5.2Round 21SINGAPORE165♣♦Q-1+12
+4.8Round 19SICHUAN DAHE COMPANY52♦♦3=+6
+4.3Round 16HAINAN OLD MAN85♣x♠7-1+5
+4.3Round 16HAINAN OLD MAN93♣♥Q-1+12
+4.0Round 7LEWIS214♠♣6-1+5
+3.8Round 16HAINAN OLD MAN123NT♣2+1+1
+3.7Round 3MAGIC EYES172♣♦7=+6
+3.7Round 8STERNBERG33NT♦J-1+6
+3.7Round 10MASTER MINDS191NT♥7=+5
+3.7Round 17HUBEI QIAOXIE182♦♣K+1+6
+3.6Round 6MILNER123NT♦3-1+10
+3.6Round 20HK SENIOR FRIENDS94♠♣9-1+6
+3.5Round 1WUHAN23NT♠J-3+7
+3.4Round 12INDONESIA72♦♦3=+6
+3.4Round 13PLATINUM104♠♠8-1+12
+3.3Round 2IMAX83♠x♠6-1+0
+3.2Round 19SICHUAN DAHE COMPANY63♠♥Q=+10
+3.2Round 21SINGAPORE201NT♣6+1+0
+3.0Round 14HUNGARY212♥♥8=+0
+2.9Round 8STERNBERG73♥♦3=+7
+2.9Round 13PLATINUM115♣♦A=+3
+2.8Round 8STERNBERG54♥♠Q-1+5
+2.7Round 5MARKOWICZ33♣♣4+1+0
+2.7Round 11HACKETT244♠♦A=+0
+2.6Round 9LYNCH94♠♣K-1+6
+2.6Round 9LYNCH113♠♣K=+1
+2.6Round 11HACKETT253NT♣6+2+0
+2.6Round 16HAINAN OLD MAN143NT♠K+1+1
+2.3Round 9LYNCH81NT♠2+1+0
+2.2Round 11HACKETT264♠♥5=+9
+2.1Round 19SICHUAN DAHE COMPANY72♠♣Q+1+0
+1.9Round 9LYNCH123♦♣2-2+0
+1.9Round 21SINGAPORE212♥♣9-1+4
+1.7Round 17HUBEI QIAOXIE173NT♠7+1+0
+1.5Round 5MARKOWICZ52♥♣K+1+0
+1.5Round 10MASTER MINDS214♥♣6-1+5
+1.4Round 7LEWIS192♣♠2+1-1
+1.4Round 12INDONESIA54♠♥2=+10
+1.3Round 13PLATINUM123NT♦6+1+0
+1.3Round 16HAINAN OLD MAN134♥♣Q+1-13
+1.2Round 13PLATINUM142♠♦6+2-6
+1.0Round 1WUHAN43♥♥9-1+6
+1.0Round 1WUHAN52♠♣2+2+1
+1.0Round 7LEWIS183♥♦A-1+5
+1.0Round 15ENGINEERS75♥♦10=+0
+0.9Round 9LYNCH143♠♦J=+1
+0.8Round 2IMAX115♠♥J=-10
+0.7Round 4CANADA236♥♦3-1+17
+0.6Round 5MARKOWICZ74♠♦3=+0
+0.6Round 10MASTER MINDS174♠♣5+1-11
+0.6Round 16HAINAN OLD MAN113♠♦4+1+6
+0.6Round 20HK SENIOR FRIENDS143NT♥K+1-1
+0.5Round 3MAGIC EYES152♠♣K=+0
+0.5Round 11HACKETT271NT♦Q+2-7
+0.4Round 4CANADA243NT♠5=-2
+0.3Round 20HK SENIOR FRIENDS113NT♠6-1+10
+0.2Round 4CANADA223♥♦A=+0
+0.2Round 12INDONESIA13♣♦6+1+7
+0.2Round 15ENGINEERS54♥♦A+1+4
+0.2Round 18XINYUAN SENIOR TEAM271NT♥2-2-1
+0.1Round 15ENGINEERS13NT♣10+2+0
+0.0Round 4CANADA253NT♠Q+2+12
+0.0Round 4CANADA283NT♣4-1-6
+0.0Round 10MASTER MINDS184♥♠9=-1
+0.0Round 14HUNGARY172♠♥6-1+2
+0.0Round 15ENGINEERS44♥♠4+1+0
+0.0Round 17HUBEI QIAOXIE193NT♥2+1+0
+0.0Round 18XINYUAN SENIOR TEAM283♣♠A=-5
-0.1Round 17HUBEI QIAOXIE214♣♠Q=+0
-0.3Round 18XINYUAN SENIOR TEAM223NT♥Q=-1
-0.3Round 19SICHUAN DAHE COMPANY34♠x♥8-2-4
-0.4Round 7LEWIS173♦♠Q-2-1
-0.5Round 7LEWIS204♥♦7+2-13
-0.5Round 10MASTER MINDS164♥♠7+1+0
-0.9Round 18XINYUAN SENIOR TEAM264♥♦4=+1
-1.0Round 3MAGIC EYES181NT♠5-1-2
-1.0Round 11HACKETT283NT♥5+2-1
-1.0Round 13PLATINUM83NT♠5+2-1
-1.1Round 4CANADA264♠♣K+1+13
-1.1Round 14HUNGARY162♦♥Q=+2
-1.1Round 20HK SENIOR FRIENDS102♠♦Q=+1
-1.3Round 1WUHAN11NT♠4-2-5
-1.3Round 21SINGAPORE151NT♦7-1+0
-1.4Round 5MARKOWICZ22♥♣6+2-1
-1.6Round 19SICHUAN DAHE COMPANY42♥♠K+1+0
-2.0Round 2IMAX143♣♥8-1-4
-2.0Round 18XINYUAN SENIOR TEAM252♠♥3+2-6
-2.1Round 14HUNGARY191NT♠Q+2+0
-2.2Round 1WUHAN73NT♥10+2-1
-2.2Round 6MILNER131NT♠K-2-2
-2.2Round 19SICHUAN DAHE COMPANY14♠♠6-1+2
-2.3Round 13PLATINUM93♠♦K-2+0
-2.3Round 16HAINAN OLD MAN102♠♥4=-6
-2.4Round 2IMAX122♦♥7+2+0
-2.6Round 18XINYUAN SENIOR TEAM244♥x♥3-1+0
-2.8Round 3MAGIC EYES193NT♦5+1+17
-2.9Round 12INDONESIA42♥♦K+2-2
-3.0Round 5MARKOWICZ13NT♥5=+0
-3.0Round 5MARKOWICZ42♠♥K+1-10
-3.0Round 8STERNBERG41NT♣A=-12
-3.0Round 14HUNGARY201NT♠6+1-5
-3.1Round 8STERNBERG21NTx♦4-1-11
-3.1Round 20HK SENIOR FRIENDS82♠♦Q=-6
-3.2Round 14HUNGARY183NT♠9=+1
-3.4Round 6MILNER83NT♦10=+1
-3.4Round 12INDONESIA24♥♣8-3-8
-3.8Round 19SICHUAN DAHE COMPANY23NT♥2-1-5
-3.9Round 1WUHAN33♣♠A-1-5
-3.9Round 10MASTER MINDS153♠♥K-1-6
-3.9Round 13PLATINUM134♥♦K-1-6
-4.0Round 3MAGIC EYES163NT♣10+4-10
-4.2Round 11HACKETT233NT♦4+2-11
-4.7Round 21SINGAPORE174♥♠Q=+0
-4.8Round 6MILNER93NT♥Q+4+12
-4.8Round 6MILNER145♥♣6-1-8
-5.0Round 7LEWIS154♠♣K+3+10
-5.2Round 4CANADA275♣♦A+1-1
-7.0Round 12INDONESIA64♥♣6-1+2
-7.5Round 9LYNCH101NT♠2=-11
-7.7Round 7LEWIS162♠x♣4-4-5
-7.7Round 20HK SENIOR FRIENDS135♠x♣K-1-7
-8.4Round 2IMAX133♥♣10+3-9
-9.7Round 14HUNGARY153♥x♦K=-9
-10.1Round 18XINYUAN SENIOR TEAM235♥♦7-1-12
-10.3Round 21SINGAPORE194♣x♥8-4-5
-11.5Round 3MAGIC EYES217♠♦K-1-20
-11.5Round 6MILNER103NTx♠J=-12