🇭🇰 ZEN Derek · CHINA HONG KONG

44rank
+63.0Butler · 240 bds
+0.26per board
±4.0swing
+0.44vs par /bd · #36/129
+0.06adjusted /bd
Butler per round: 9.3 5.1 -16.3 -1.2 -2 26.3 -21.7 31.4 -9 1.2 -22.6 -6.3 19.2 9.3 40.3by round

vs par split: bidding +0.36 · play +0.01

Strength of schedule: opponents averaged -0.21/bd (an easy draw) → opponent-adjusted +0.06/bd

Card play — on target: opening leads 84.1% #51 of 129 · declarer play 64.1% #113 of 129 · defence 85.7% #77 of 129

Card play by contract type — on target
vs NTvs a suit
Opening leads92.3% (13)82.1% (56)
Declarer play50.0% (22)71.4% (42)
Defence83.3% (24)86.3% (102)

Opening leads by suit led: ♠ 100.0% (18) · ♥ 86.7% (15) · ♦ 75.0% (24) · ♣ 75.0% (12)

vs par by strain: NT -0.95 (64) · a suit +0.91 (174)

vs par by level: part-score +0.00 (93) · game +0.36 (129) · slam +3.25 (16)

By role: declaring -0.21/bd (-2.57 vs par · 111) · defending +0.67/bd (+3.03 vs par · 129)

By vulnerability: vulnerable +0.19/bd (-0.47 vs par · 120) · not vulnerable +0.34/bd (+1.36 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.WanH.Nielsen – K.BoesgaardOpen16+9.3+0.58+0.19
Round 2S.WanP.Mandelot – A.MagalhaesOpen16+5.1+0.32+1.81
Round 4S.WanD.Jacob – J.CzyzowiczOpen16-16.3-1.02-1.56
Round 5S.WanD.Johnson – J.StasOpen16-1.2-0.07+3.00
Round 6S.WanN.Chambers – J.SchermerClosed16-2.0-0.12-0.62
Round 7S.WanV.Sharma – A.GoelOpen16+26.3+1.64+1.06
Round 9S.WanM.Sawiruddin – M.HartonoClosed16-21.7-1.36-0.62
Round 10S.WanF.Ahmed A. K. – M.Hussain A. T. M.Open16+31.4+1.96-0.38
Round 12S.WanR.Klinger – W.HaughieOpen16-9.0-0.56-0.06
Round 14S.WanG.Haase – D.DiamondOpen16+1.2+0.07+3.00
Round 15S.WanM.Kamel – M.GhamrawyOpen16-22.6-1.41+0.00
Round 16S.WanA.Kowalski – J.RomanskiOpen16-6.3-0.39-1.25
Round 18S.WanN.Stuckey – C.WilsonClosed16+19.2+1.20-0.25
Round 19S.WanP.Grenthe – P.VanhoutteOpen16+9.3+0.58-0.50
Round 20S.WanP.Gadras – C.GadrasOpen16+40.3+2.52+2.81

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
+15.4Round 1🇩🇰 DENMARK57♠♥K-1+20
+11.3Round 7🇮🇳 INDIA124♥♦2-1+13
+11.2Round 10🇧🇩 BANGLADESH216♥x♣Q-5+0
+11.1Round 2🇧🇷 BRAZIL246♥♠9-1+14
+10.7Round 10🇧🇩 BANGLADESH233♥x♦K+1+7
+10.2Round 19🇫🇷 FRANCE34♠x♦9-1+14
+9.5Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND244♠♦A-2+11
+9.1Round 19🇫🇷 FRANCE144♥x♠5-3+9
+8.9Round 4🇨🇦 CANADA275♦♦5-5+12
+8.9Round 19🇫🇷 FRANCE23NT♥4+2+1
+8.8Round 7🇮🇳 INDIA53NT♠5-2+13
+8.1Round 18🇳🇿 NEW ZEALAND171NTx♥8+3+2
+7.4Round 2🇧🇷 BRAZIL317♣♥9-1+17
+6.9Round 5🇧🇪 BELGIUM122♥♣6+2+15
+6.6Round 7🇮🇳 INDIA74♠♣7+1+13
+6.5Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND236♠♦8-1-3
+5.6Round 9🇮🇩 INDONESIA55♣♦6-3+7
+5.4Round 12🇦🇺 AUSTRALIA304♠♦K+1-8
+5.3Round 12🇦🇺 AUSTRALIA295♣♠5-1+7
+5.2Round 20🇬🇵 GUADELOUPE254♥♠6-1+10
+5.2Round 20🇬🇵 GUADELOUPE302♠♣10+4+5
+5.0Round 15🇪🇬 EGYPT103NT♦2+3+13
+5.0Round 18🇳🇿 NEW ZEALAND183NT♥J=-1
+4.9Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND286♥♦5+1+13
+4.8Round 20🇬🇵 GUADELOUPE243♣♥5-1+5
+4.4Round 2🇧🇷 BRAZIL194♥♠5-1+12
+4.4Round 20🇬🇵 GUADELOUPE203NT♣A=-1
+4.3Round 6🇺🇸 USA1313♥♣7-1+12
+4.3Round 10🇧🇩 BANGLADESH302NT♠2-2+5
+4.3Round 20🇬🇵 GUADELOUPE175♦♠A=-1
+4.3Round 20🇬🇵 GUADELOUPE222♥♠4-1+5
+4.2Round 6🇺🇸 USA1184♠♥A-2+7
+4.2Round 12🇦🇺 AUSTRALIA175♣♠J-1+10
+4.2Round 19🇫🇷 FRANCE152NT♦4=+7
+4.1Round 4🇨🇦 CANADA214♥♠A-2-1
+4.1Round 20🇬🇵 GUADELOUPE233♠♦K=+7
+4.0Round 7🇮🇳 INDIA44♥♦3=+0
+4.0Round 20🇬🇵 GUADELOUPE183♠♥A-1+12
+3.9Round 16🇵🇱 POLAND284♥♠Q-2+2
+3.6Round 9🇮🇩 INDONESIA14♥♠4-1+10
+3.4Round 5🇧🇪 BELGIUM144♥♠K+2+9
+3.3Round 18🇳🇿 NEW ZEALAND252♠♣5+2+1
+3.2Round 1🇩🇰 DENMARK94♥♦Q-1+5
+3.2Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND273NT♥9-2+6
+3.2Round 18🇳🇿 NEW ZEALAND303NT♠3-1+10
+3.1Round 18🇳🇿 NEW ZEALAND284♠♣J-2+6
+3.1Round 20🇬🇵 GUADELOUPE284♥♣A+1+13
+3.0Round 6🇺🇸 USA1272♥♦A-1+5
+3.0Round 9🇮🇩 INDONESIA113♠♣A+2+6
+3.0Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND173NT♠4+1+7
+2.9Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND206♦♥5+1+13
+2.7Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND195♣♦J-1+10
+2.6Round 10🇧🇩 BANGLADESH173♠♣6-1+8
+2.4Round 16🇵🇱 POLAND184♥♣7=+0
+2.3Round 4🇨🇦 CANADA222♠♦6=+6
+2.3Round 18🇳🇿 NEW ZEALAND224♠♣A-1+5
+2.2Round 15🇪🇬 EGYPT94♠♣J=-1
+2.1Round 15🇪🇬 EGYPT73NT♣5=-1
+2.1Round 20🇬🇵 GUADELOUPE272♠♥10+1-7
+2.0Round 6🇺🇸 USA1225♦♣4=-1
+1.9Round 9🇮🇩 INDONESIA81NT♠6=+5
+1.9Round 10🇧🇩 BANGLADESH286NT♣6+1-13
+1.9Round 16🇵🇱 POLAND263NT♠K-1+6
+1.7Round 1🇩🇰 DENMARK103NT♠J=+0
+1.7Round 1🇩🇰 DENMARK144♥♦3-1+10
+1.7Round 5🇧🇪 BELGIUM113NT♥6+1+1
+1.7Round 16🇵🇱 POLAND312♠♠Q-1-7
+1.6Round 7🇮🇳 INDIA14♠♦K+1+11
+1.6Round 15🇪🇬 EGYPT24♠♣10-2+5
+1.5Round 7🇮🇳 INDIA91NT♣2=+2
+1.5Round 10🇧🇩 BANGLADESH262♠♦A=+1
+1.5Round 18🇳🇿 NEW ZEALAND233♣♠6+1+0
+1.4Round 5🇧🇪 BELGIUM43NT♣3+2-12
+1.4Round 6🇺🇸 USA1261♠♥5+2+1
+1.4Round 6🇺🇸 USA1283♣♥K-2+2
+1.4Round 9🇮🇩 INDONESIA103NT♥J=-1
+1.3Round 2🇧🇷 BRAZIL282♠♦5-2-1
+1.3Round 15🇪🇬 EGYPT44♠♦K+1+4
+1.3Round 18🇳🇿 NEW ZEALAND322♥♣7+1-6
+1.2Round 4🇨🇦 CANADA311♥♦J=+0
+1.2Round 7🇮🇳 INDIA154♥♠A-2-6
+1.2Round 10🇧🇩 BANGLADESH253♥♣K=+0
+1.1Round 1🇩🇰 DENMARK126♣x♠8-1-7
+1.1Round 2🇧🇷 BRAZIL212♠♥2-1+4
+1.1Round 7🇮🇳 INDIA62♠♣4+1+1
+1.1Round 10🇧🇩 BANGLADESH183♠♦K=-8
+1.1Round 15🇪🇬 EGYPT62♠♦8-1-1
+1.1Round 20🇬🇵 GUADELOUPE313NT♠4+1+0
+1.0Round 10🇧🇩 BANGLADESH201♠♥A+3+2
+1.0Round 12🇦🇺 AUSTRALIA226♥♠A=+0
+0.9Round 2🇧🇷 BRAZIL252♠♥2+1+0
+0.9Round 5🇧🇪 BELGIUM163NT-1+10
+0.9Round 12🇦🇺 AUSTRALIA272♠♠5+2+6
+0.9Round 15🇪🇬 EGYPT31NT♦7+2+6
+0.9Round 19🇫🇷 FRANCE83♦♣K+1+0
+0.8Round 1🇩🇰 DENMARK24♣♠Q-1-1
+0.8Round 7🇮🇳 INDIA23NT♥9+2+12
+0.8Round 10🇧🇩 BANGLADESH313NT♥J+2+0
+0.8Round 10🇧🇩 BANGLADESH323NT♦J+2+0
+0.8Round 12🇦🇺 AUSTRALIA193NT♦4+1+1
+0.8Round 16🇵🇱 POLAND174♠♣9=+0
+0.8Round 20🇬🇵 GUADELOUPE293NT♠5+1+1
+0.7Round 2🇧🇷 BRAZIL292♥♠8+3-9
+0.7Round 16🇵🇱 POLAND231NT♣5+1+0
+0.6Round 1🇩🇰 DENMARK12♠♦3=+0
+0.6Round 4🇨🇦 CANADA251NT♦4-2+1
+0.6Round 4🇨🇦 CANADA265♠♦A=+0
+0.5Round 12🇦🇺 AUSTRALIA214♠♥7+1+0
+0.5Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND224♠♥K-2+5
+0.5Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND264♠♦8+1+1
+0.4Round 18🇳🇿 NEW ZEALAND214♥♦8+1+0
+0.3Round 1🇩🇰 DENMARK64♥♠A+2-16
+0.3Round 2🇧🇷 BRAZIL324♠♦A+1+0
+0.3Round 5🇧🇪 BELGIUM24♠♣8=-1
+0.3Round 5🇧🇪 BELGIUM54♥♣10+1+6
+0.3Round 6🇺🇸 USA1231NT♠4-1+0
+0.2Round 5🇧🇪 BELGIUM64♠♥10-1+5
+0.2Round 16🇵🇱 POLAND214♥♦K=+1
+0.1Round 2🇧🇷 BRAZIL173NT♣5+1+0
+0.1Round 6🇺🇸 USA1253♠♥3=-1
+0.1Round 15🇪🇬 EGYPT112♠♥A-1+9
-0.0Round 1🇩🇰 DENMARK33NT♣J+2+0
-0.0Round 1🇩🇰 DENMARK164♠x♣A-1+7
+0.0Round 4🇨🇦 CANADA182♥♣6+1-6
-0.0Round 7🇮🇳 INDIA163♣♥A=+0
+0.0Round 9🇮🇩 INDONESIA73NT♦4+2+0
+0.0Round 10🇧🇩 BANGLADESH294♥♣4+1+0
-0.0Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND254♠♥8+1+0
-0.1Round 6🇺🇸 USA1303NT♣2+2+1
-0.1Round 7🇮🇳 INDIA133NT♦3+3-12
-0.2Round 9🇮🇩 INDONESIA43NT♣6+1+0
-0.3Round 18🇳🇿 NEW ZEALAND294♥♦3=+1
-0.3Round 19🇫🇷 FRANCE72♦♦3+2-1
-0.4Round 1🇩🇰 DENMARK84♥♠6-1+2
-0.4Round 5🇧🇪 BELGIUM133♠♦K-2+9
-0.4Round 6🇺🇸 USA1194♦♥7-1-5
-0.4Round 9🇮🇩 INDONESIA123NT♠8+2+0
-0.4Round 10🇧🇩 BANGLADESH243♠♦4-1+2
-0.4Round 12🇦🇺 AUSTRALIA234♥♠A=+1
-0.4Round 16🇵🇱 POLAND204♣♠Q=+0
-0.4Round 16🇵🇱 POLAND292♠♥10-1-1
-0.5Round 1🇩🇰 DENMARK73♥♣K+1+1
-0.5Round 5🇧🇪 BELGIUM82♠♣3-1+2
-0.5Round 5🇧🇪 BELGIUM92♦♦5+1+0
-0.5Round 16🇵🇱 POLAND252♣♠A=+1
-0.5Round 16🇵🇱 POLAND321NT♣2+1+1
-0.6Round 7🇮🇳 INDIA33NT♥4+2-13
-0.6Round 19🇫🇷 FRANCE51NT♥A+2-10
-0.6Round 20🇬🇵 GUADELOUPE322♥♦A=+0
-0.7Round 19🇫🇷 FRANCE91NT♥4=-1
-0.7Round 20🇬🇵 GUADELOUPE264♥♣3=-1
-0.8Round 2🇧🇷 BRAZIL183NT♦6+1-1
-0.8Round 5🇧🇪 BELGIUM31NT♦Q+6+4
-0.8Round 6🇺🇸 USA1174♠♥7-2+0
-0.8Round 15🇪🇬 EGYPT142♥♦5-1+2
-0.8Round 19🇫🇷 FRANCE62♥♦A+2+1
-0.9Round 2🇧🇷 BRAZIL274♥♠9+1+0
-0.9Round 18🇳🇿 NEW ZEALAND203NT♦K+2+0
-0.9Round 19🇫🇷 FRANCE112♠♦9-1-3
-0.9Round 20🇬🇵 GUADELOUPE19Pass-3
-0.9Round 20🇬🇵 GUADELOUPE214♥x♣A-1+0
-1.0Round 12🇦🇺 AUSTRALIA251♠♣4=+0
-1.0Round 18🇳🇿 NEW ZEALAND262♥♦5=+0
-1.0Round 18🇳🇿 NEW ZEALAND316♦♠9+1+11
-1.1Round 15🇪🇬 EGYPT53NT♦J-2-6
-1.2Round 2🇧🇷 BRAZIL264♥♣7+1+0
-1.3Round 4🇨🇦 CANADA195♥♠6+1-11
-1.3Round 4🇨🇦 CANADA244♠♠5+2+11
-1.3Round 10🇧🇩 BANGLADESH224♠♥K-1-10
-1.4Round 7🇮🇳 INDIA113♦♣K+1+0
-1.4Round 10🇧🇩 BANGLADESH271NT♥7=+1
-1.5Round 4🇨🇦 CANADA233♠♦8-1+6
-1.5Round 6🇺🇸 USA1324♥♥4=-1
-1.5Round 16🇵🇱 POLAND274♠♣K=-3
-1.6Round 2🇧🇷 BRAZIL233♠♥4-1-9
-1.6Round 9🇮🇩 INDONESIA153NT♥2+2+10
-1.6Round 18🇳🇿 NEW ZEALAND194♠♦8+2-11
-1.6Round 19🇫🇷 FRANCE163♥♦A-2+1
-1.7Round 15🇪🇬 EGYPT13♠♥8-2-6
-1.7Round 16🇵🇱 POLAND303NT♦Q=+1
-1.7Round 18🇳🇿 NEW ZEALAND273NT♥Q=-15
-1.8Round 15🇪🇬 EGYPT83NT♠2+2-1
-1.8Round 19🇫🇷 FRANCE101NT♣3+1+0
-1.9Round 1🇩🇰 DENMARK41NT♣3-1+1
-1.9Round 9🇮🇩 INDONESIA134♥♦2+2-5
-1.9Round 19🇫🇷 FRANCE44♥♣A-4-6
-2.0Round 5🇧🇪 BELGIUM14♠♠2+2+11
-2.0Round 9🇮🇩 INDONESIA34♥♠5-1-5
-2.1Round 12🇦🇺 AUSTRALIA182♠♦A+2-6
-2.3Round 6🇺🇸 USA1214♦♠K+1-6
-2.4Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND184♠♦Q=+0
-2.5Round 12🇦🇺 AUSTRALIA314♠♥6+1+12
-2.5Round 15🇪🇬 EGYPT161NT♥Q=-2
-2.5Round 16🇵🇱 POLAND224♦♥A-2-8
-2.5Round 18🇳🇿 NEW ZEALAND245♣♠5=-7
-2.6Round 5🇧🇪 BELGIUM76♥♣6+1-1
-2.6Round 10🇧🇩 BANGLADESH192♥♠Q+2-1
-2.7Round 7🇮🇳 INDIA144♥♠A-3-7
-2.7Round 12🇦🇺 AUSTRALIA284♠♥2+1+0
-2.9Round 2🇧🇷 BRAZIL204♠♣10+1+0
-2.9Round 4🇨🇦 CANADA173♠♥A-2+0
-2.9Round 5🇧🇪 BELGIUM104♠♠J+1-1
-2.9Round 7🇮🇳 INDIA84♥♠A+2-9
-2.9Round 7🇮🇳 INDIA102♠♣4+1-1
-3.0Round 12🇦🇺 AUSTRALIA262NT♣2-1-12
-3.0Round 12🇦🇺 AUSTRALIA323♥♦J=+0
-3.3Round 4🇨🇦 CANADA303NT♠6-1-10
-3.3Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND214♥♦4+2+9
-3.3Round 15🇪🇬 EGYPT154♠♥4=+0
-3.4Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND30A♦J♥2+11
-3.6Round 1🇩🇰 DENMARK153♥♥5-1-4
-3.7Round 12🇦🇺 AUSTRALIA204♥♠J+1+0
-3.9Round 1🇩🇰 DENMARK134♠♦J-2-9
-4.0Round 6🇺🇸 USA1293NT♦3-2-13
-4.0Round 9🇮🇩 INDONESIA64♠♦Q=-8
-4.0Round 9🇮🇩 INDONESIA93♣♣2+1-1
-4.0Round 19🇫🇷 FRANCE13♠♥A-1-8
-4.1Round 6🇺🇸 USA1204♠x♠6-3-4
-4.2Round 4🇨🇦 CANADA292NT♦8=-6
-4.2Round 16🇵🇱 POLAND242♠♥10+1-1
-4.7Round 4🇨🇦 CANADA283NT♠5-1-6
-5.0Round 2🇧🇷 BRAZIL302♦♦3=-11
-5.0Round 9🇮🇩 INDONESIA22♥♠2+1-10
-5.1Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND293NT♠7-1-12
-5.1Round 19🇫🇷 FRANCE126♥♠A=+0
-5.2Round 1🇩🇰 DENMARK113NT♥2-2-6
-5.5Round 6🇺🇸 USA1245♣♦J=-7
-5.9Round 9🇮🇩 INDONESIA164♠♦10-2-11
-6.0Round 4🇨🇦 CANADA203NT♦10-3-10
-6.2Round 16🇵🇱 POLAND193NT♥Q-1-12
-6.3Round 19🇫🇷 FRANCE133NT♦9-1-12
-6.6Round 5🇧🇪 BELGIUM154♣x♠3-3-9
-8.6Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND324♦♠9-3-11
-8.7Round 12🇦🇺 AUSTRALIA245♥♠K-6-12
-8.8Round 4🇨🇦 CANADA325♥♣A-2-11
-9.7Round 14🏴󠁧󠁢󠁳󠁣󠁴󠁿 SCOTLAND316♦♣A=-12
-9.8Round 2🇧🇷 BRAZIL226♠♦J=+13
-12.2Round 9🇮🇩 INDONESIA144♠x♦A=-7
-12.7Round 15🇪🇬 EGYPT125♠♦A=-8
-13.0Round 15🇪🇬 EGYPT136♥♠A-1-13