🇹🇼 LAI Huan-Kwei · CHINESE TAIPEI

75rank
-18.9Butler · 224 bds
-0.08per board
±4.3swing
-0.20vs par /bd · #75/129
-0.19adjusted /bd
Butler per round: -51 -26.9 -15.3 18 25.4 38.4 -21.3 -12.8 18.4 -0.6 21.1 6.9 -17.5 -1.7by round

vs par split: bidding -0.31 · play +0.12

Strength of schedule: opponents averaged -0.11/bd (an easy draw) → opponent-adjusted -0.19/bd

Card play — on target: opening leads 80.3% #88 of 129 · declarer play 68.5% #92 of 129 · defence 88.8% #41 of 129

Card play by contract type — on target
vs NTvs a suit
Opening leads69.2% (13)83.3% (48)
Declarer play77.8% (9)66.7% (45)
Defence88.9% (27)88.8% (89)

Opening leads by suit led: ♠ 78.9% (19) · ♥ 91.7% (12) · ♦ 80.0% (15) · ♣ 73.3% (15)

vs par by strain: NT +0.07 (46) · a suit -0.26 (178)

vs par by level: part-score -0.55 (85) · game +0.15 (121) · slam -0.83 (18)

By role: declaring -0.05/bd (-2.97 vs par · 108) · defending -0.12/bd (+2.39 vs par · 116)

By vulnerability: vulnerable -0.60/bd (-0.98 vs par · 112) · not vulnerable +0.43/bd (+0.59 vs par · 112)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1C.TsaiR.Klinger – W.HaughieOpen16-51.0-3.19-3.75
Round 2J.ShihA.Yamada – K.OhnoClosed16-26.9-1.68+0.50
Round 4C.TsaiH.Lasut – E.ManoppoClosed16-15.3-0.96-0.62
Round 5J.ShihA.Tracol – M.AragonesOpen16+18.0+1.12-2.94
Round 7C.TsaiM.Jacobus – E.WoldOpen16+25.4+1.59+1.25
Round 8J.ShihM.Kamel – W.WattarOpen16+38.4+2.40+2.94
Round 10C.TsaiA.Kowalski – J.RomanskiOpen16-21.3-1.33+1.06
Round 11J.ShihJ.Schermer – N.ChambersClosed16-12.8-0.80+1.06
Round 13C.TsaiN.Stuckey – C.WilsonOpen16+18.4+1.15-0.19
Round 14J.ShihM.Hussain A. T. M. – B.HaqueClosed16-0.6-0.04-3.25
Round 16C.TsaiE.Pieters – J.DorfanOpen16+21.1+1.32+2.19
Round 17J.ShihE.Tse – R.LingClosed16+6.9+0.43+1.62
Round 19C.TsaiG.Polet – A.KaplanClosed16-17.5-1.09-1.88
Round 20J.ShihD.Jacob – J.CzyzowiczClosed16-1.7-0.11-0.75

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
+13.1Round 8🇪🇬 EGYPT304♠x♦A-5+12
+11.7Round 5🇬🇵 GUADELOUPE45♣♦A-1+16
+11.0Round 8🇪🇬 EGYPT276NT♥4-1+14
+10.4Round 7🇺🇸 USA253NT♠7-3+14
+9.9Round 16🇿🇦 SOUTH AFRICA303♣x♥3-4+9
+9.7Round 14🇧🇩 BANGLADESH316♦♠8=+12
+9.7Round 17🇭🇰 CHINA HONG KONG64NT♠3+3+12
+9.4Round 20🇨🇦 CANADA173♣♠J-4+12
+9.3Round 4🇮🇩 INDONESIA214♠x♥4-2+12
+9.2Round 13🇳🇿 NEW ZEALAND146♥♦6=+0
+8.9Round 7🇺🇸 USA2154♠x♥3=+5
+8.8Round 5🇬🇵 GUADELOUPE145♠♦2-1+4
+8.1Round 11🇺🇸 USA1134♠♣2=+3
+8.0Round 8🇪🇬 EGYPT284♠x♦3+1+8
+7.8Round 19🇧🇪 BELGIUM154♠♣K-1+10
+7.3Round 2🇯🇵 JAPAN254♠♣J=+7
+6.6Round 11🇺🇸 USA142♥♠4-2+8
+6.6Round 13🇳🇿 NEW ZEALAND43NT♠9-3+10
+6.2Round 16🇿🇦 SOUTH AFRICA193NT♣6-1+12
+5.4Round 20🇨🇦 CANADA273NT♥10-3+11
+5.3Round 7🇺🇸 USA274♠♦2+3+12
+5.2Round 19🇧🇪 BELGIUM13NT♥7=+0
+5.1Round 14🇧🇩 BANGLADESH294♥♣J-1+12
+5.0Round 16🇿🇦 SOUTH AFRICA225♦♠K-3+9
+4.5Round 17🇭🇰 CHINA HONG KONG133NT♥2+1+1
+4.4Round 7🇺🇸 USA2143♥♠3=+0
+4.4Round 13🇳🇿 NEW ZEALAND114♠x♥3-2+12
+4.1Round 8🇪🇬 EGYPT293♥♣7-1+5
+4.0Round 7🇺🇸 USA244♥♦3=+0
+3.9Round 13🇳🇿 NEW ZEALAND14♥♣J=+0
+3.8Round 17🇭🇰 CHINA HONG KONG112NT♥Q-4+7
+3.7Round 13🇳🇿 NEW ZEALAND124♥♠Q-2+0
+3.4Round 14🇧🇩 BANGLADESH304♠♦3+2-11
+3.4Round 20🇨🇦 CANADA192♠♥6=+5
+3.3Round 4🇮🇩 INDONESIA303NT♠6-1+10
+3.3Round 14🇧🇩 BANGLADESH214♥♠4+2-9
+3.3Round 16🇿🇦 SOUTH AFRICA262♠♣4-1-1
+3.3Round 19🇧🇪 BELGIUM43NT♥10+1+0
+3.2Round 16🇿🇦 SOUTH AFRICA242♠♥10=+0
+3.1Round 7🇺🇸 USA2102♠♠9-1+5
+3.1Round 8🇪🇬 EGYPT202♥♠7-1-1
+3.1Round 17🇭🇰 CHINA HONG KONG32NT♠5=-1
+2.9Round 1🇦🇺 AUSTRALIA43♥♠A=+0
+2.9Round 5🇬🇵 GUADELOUPE123NT♣2+1-13
+2.8Round 2🇯🇵 JAPAN225♥♦J+2+17
+2.7Round 8🇪🇬 EGYPT223♥♦5=-2
+2.5Round 10🇵🇱 POLAND244♣♠A=+0
+2.4Round 13🇳🇿 NEW ZEALAND86♥♣A+1-11
+2.4Round 14🇧🇩 BANGLADESH184♠♦A=+0
+2.3Round 17🇭🇰 CHINA HONG KONG104♠♦K-1+6
+2.2Round 1🇦🇺 AUSTRALIA56♠♥K+1-13
+2.2Round 11🇺🇸 USA133♣♥K=+5
+2.2Round 14🇧🇩 BANGLADESH244♥♠10=+0
+2.2Round 20🇨🇦 CANADA233♠♠7-1-1
+2.0Round 13🇳🇿 NEW ZEALAND62♦♠J-2+3
+2.0Round 17🇭🇰 CHINA HONG KONG84♥♠Q-2+6
+1.9Round 5🇬🇵 GUADELOUPE103NT♥5+1+0
+1.9Round 17🇭🇰 CHINA HONG KONG54♠♠J=+1
+1.8Round 5🇬🇵 GUADELOUPE76♥♣9=+0
+1.8Round 11🇺🇸 USA181NT♠4+3-6
+1.8Round 17🇭🇰 CHINA HONG KONG13NT♠4+1-1
+1.7Round 20🇨🇦 CANADA322♥♦A+1+1
+1.6Round 11🇺🇸 USA195♥♣J=+0
+1.5Round 16🇿🇦 SOUTH AFRICA274♠♣K=+3
+1.4Round 1🇦🇺 AUSTRALIA93♥♦4=+0
+1.4Round 13🇳🇿 NEW ZEALAND33♠♦9-1+6
+1.3Round 4🇮🇩 INDONESIA195♥♠7+1+11
+1.3Round 5🇬🇵 GUADELOUPE14♠♦5+1-11
+1.3Round 8🇪🇬 EGYPT194♠♦K-2+3
+1.3Round 10🇵🇱 POLAND224♠♥K-1+10
+1.3Round 16🇿🇦 SOUTH AFRICA322♥♠5+1+0
+1.1Round 2🇯🇵 JAPAN213♠♥10-1+4
+1.1Round 10🇵🇱 POLAND286♦♣9=+13
+1.1Round 17🇭🇰 CHINA HONG KONG23♣♣J=+7
+1.0Round 10🇵🇱 POLAND302♣♦K-2+0
+0.9Round 8🇪🇬 EGYPT233NT♥5=+10
+0.9Round 8🇪🇬 EGYPT322♦♣6=+11
+0.9Round 16🇿🇦 SOUTH AFRICA215♥♣A=+0
+0.8Round 5🇬🇵 GUADELOUPE54♥♠5=-6
+0.8Round 7🇺🇸 USA214♠♦8+2+11
+0.8Round 7🇺🇸 USA223NT♥9+2+12
+0.8Round 10🇵🇱 POLAND192♥♣A=-1
+0.7Round 8🇪🇬 EGYPT174♥♠5-1-4
+0.7Round 20🇨🇦 CANADA264♥♥7=+1
+0.5Round 5🇬🇵 GUADELOUPE83♠♥7-1-2
+0.5Round 11🇺🇸 USA114♠♥9=-1
+0.5Round 13🇳🇿 NEW ZEALAND74♠♥7+1+0
+0.5Round 14🇧🇩 BANGLADESH264♠♦8=+0
+0.5Round 16🇿🇦 SOUTH AFRICA252♣♠J=-1
+0.4Round 4🇮🇩 INDONESIA244♠♥K+1-11
+0.4Round 4🇮🇩 INDONESIA264♠♦A=+1
+0.4Round 8🇪🇬 EGYPT264♠♣5+1+13
+0.4Round 16🇿🇦 SOUTH AFRICA203♣♠Q+1+0
+0.4Round 19🇧🇪 BELGIUM91NT♠6+1+0
+0.3Round 2🇯🇵 JAPAN324♠♦K+1+0
+0.3Round 16🇿🇦 SOUTH AFRICA231NT♦3=+1
+0.2Round 2🇯🇵 JAPAN183NT♦Q=+0
+0.2Round 8🇪🇬 EGYPT212♦♣6+1+0
+0.2Round 13🇳🇿 NEW ZEALAND93♣♥J-1+3
+0.1Round 2🇯🇵 JAPAN174♥♦6=+0
+0.1Round 7🇺🇸 USA262♠♦3=+0
+0.1Round 10🇵🇱 POLAND272♠♣Q-1-2
+0.1Round 11🇺🇸 USA162♠♦8-2+1
+0.1Round 19🇧🇪 BELGIUM82♦♣K+1-1
+0.0Round 1🇦🇺 AUSTRALIA34♠♦A+1+0
-0.0Round 4🇮🇩 INDONESIA282♣♦K=+2
-0.0Round 7🇺🇸 USA2163♣♥A=+0
-0.0Round 10🇵🇱 POLAND294♥♦A+1+0
+0.0Round 13🇳🇿 NEW ZEALAND104♠♥8=+3
+0.0Round 13🇳🇿 NEW ZEALAND154♠♣A-1-6
+0.0Round 14🇧🇩 BANGLADESH254♠♥2+1+0
+0.0Round 17🇭🇰 CHINA HONG KONG71NT♠3=-5
-0.1Round 7🇺🇸 USA2133NT♥3+3-12
-0.1Round 20🇨🇦 CANADA304♠♣10=+0
-0.2Round 4🇮🇩 INDONESIA311NT♥Q-1+1
-0.2Round 5🇬🇵 GUADELOUPE64♠♥4-1-5
-0.2Round 5🇬🇵 GUADELOUPE91NT♣8=-1
-0.2Round 8🇪🇬 EGYPT254♠♣A=-1
-0.2Round 20🇨🇦 CANADA243♣♠5=+0
-0.3Round 1🇦🇺 AUSTRALIA74♠♥4-2-2
-0.3Round 2🇯🇵 JAPAN193♦♥6+2+8
-0.3Round 5🇬🇵 GUADELOUPE24♥♣2=+1
-0.3Round 11🇺🇸 USA1102♣♦A+3+10
-0.3Round 19🇧🇪 BELGIUM72♦♦6+2-1
-0.4Round 7🇺🇸 USA2113♠♣3-2+1
-0.4Round 20🇨🇦 CANADA223♦♣K=-1
-0.5Round 10🇵🇱 POLAND263♠♦A=+0
-0.6Round 1🇦🇺 AUSTRALIA11♠♥5+1+0
-0.6Round 4🇮🇩 INDONESIA251NT♣10-2-1
-0.6Round 7🇺🇸 USA234♠♥4+1-13
-0.6Round 8🇪🇬 EGYPT242♥♦K+1-6
-0.6Round 19🇧🇪 BELGIUM52NT♥A+1-10
-0.7Round 1🇦🇺 AUSTRALIA152♥♦Q=+0
-0.7Round 5🇬🇵 GUADELOUPE113NT♦8=+0
-0.8Round 10🇵🇱 POLAND313NT♦A+2+0
-0.8Round 10🇵🇱 POLAND324NT♠4+1+0
-0.8Round 11🇺🇸 USA153NT♦Q=+1
-0.8Round 16🇿🇦 SOUTH AFRICA174♠♣9=+0
-0.8Round 19🇧🇪 BELGIUM62♥♠K+2+1
-0.8Round 20🇨🇦 CANADA293NT♠4+1-1
-0.9Round 2🇯🇵 JAPAN274♥♠7+1+0
-0.9Round 4🇮🇩 INDONESIA232NT♥8-2-8
-0.9Round 5🇬🇵 GUADELOUPE163NT♠3-1-10
-1.0Round 1🇦🇺 AUSTRALIA64♥♠A+3+15
-1.0Round 10🇵🇱 POLAND201♠♥4+3-2
-1.0Round 13🇳🇿 NEW ZEALAND23NT♥J=-1
-1.1Round 5🇬🇵 GUADELOUPE133♣♠A+2-10
-1.1Round 20🇨🇦 CANADA313NT♠4+1+0
-1.2Round 2🇯🇵 JAPAN264♥♦J+1+0
-1.2Round 14🇧🇩 BANGLADESH206♠♦J+1-13
-1.3Round 2🇯🇵 JAPAN293♥♠5=-10
-1.3Round 13🇳🇿 NEW ZEALAND54♥♥8+1-1
-1.3Round 14🇧🇩 BANGLADESH274♥♦Q-1-5
-1.3Round 14🇧🇩 BANGLADESH324♠♥5=+1
-1.4Round 4🇮🇩 INDONESIA174♣♠A-1-4
-1.4Round 5🇬🇵 GUADELOUPE152♦♠3+2+0
-1.4Round 17🇭🇰 CHINA HONG KONG124♠♦J+1+0
-1.6Round 11🇺🇸 USA1113♠♣7-1-5
-1.6Round 19🇧🇪 BELGIUM164♥x♦K-1+1
-1.7Round 1🇦🇺 AUSTRALIA143♥♦3-1-10
-1.7Round 11🇺🇸 USA127♥♥3=+0
-1.7Round 16🇿🇦 SOUTH AFRICA313♦♣9=+7
-1.8Round 8🇪🇬 EGYPT313♣♣2-1-3
-1.8Round 19🇧🇪 BELGIUM101NT♣3+1+0
-2.0Round 7🇺🇸 USA285♥♠A=-8
-2.0Round 17🇭🇰 CHINA HONG KONG154♠♠4=+0
-2.1Round 10🇵🇱 POLAND252♥♦Q+2-1
-2.1Round 14🇧🇩 BANGLADESH173NT♠4=-7
-2.1Round 17🇭🇰 CHINA HONG KONG145♥x♠K-2+4
-2.3Round 4🇮🇩 INDONESIA222♠♦5=-6
-2.3Round 4🇮🇩 INDONESIA291♥♠3+2+0
-2.3Round 20🇨🇦 CANADA284♥♣A+2-12
-2.4Round 11🇺🇸 USA1152♠♥Q=+7
-2.4Round 11🇺🇸 USA1162♥♣A+1-2
-2.4Round 16🇿🇦 SOUTH AFRICA184♥♠4=+0
-2.5Round 13🇳🇿 NEW ZEALAND164♥♣K=-8
-2.6Round 16🇿🇦 SOUTH AFRICA293♠♥6-2-2
-2.7Round 4🇮🇩 INDONESIA324♥♦4=+0
-2.7Round 14🇧🇩 BANGLADESH195♣♦J-1-10
-2.8Round 17🇭🇰 CHINA HONG KONG163NT♠4+1-1
-2.9Round 2🇯🇵 JAPAN204♠♣10+1+0
-2.9Round 7🇺🇸 USA2124♥♠A+1+0
-3.2Round 19🇧🇪 BELGIUM113♥♠Q-1-5
-3.5Round 1🇦🇺 AUSTRALIA103NT♦3+2-2
-3.6Round 10🇵🇱 POLAND215♦♥4+1+10
-3.7Round 20🇨🇦 CANADA213NT♠6-1-5
-3.9Round 16🇿🇦 SOUTH AFRICA286♥♥8-2-2
-4.0Round 19🇧🇪 BELGIUM35♣♦K=+5
-4.1Round 2🇯🇵 JAPAN283♣♠6-1-6
-4.4Round 10🇵🇱 POLAND232♦x♦4-2+3
-4.4Round 20🇨🇦 CANADA203NT♣A=+1
-4.5Round 19🇧🇪 BELGIUM144♦♣K-2-5
-4.9Round 14🇧🇩 BANGLADESH286♥♣8+1-13
-5.1Round 1🇦🇺 AUSTRALIA126♠x♥A-1+0
-5.1Round 19🇧🇪 BELGIUM126♥♠A=+0
-5.2Round 20🇨🇦 CANADA254♥♠3-1-10
-5.3Round 10🇵🇱 POLAND171♠♣4=-10
-5.4Round 8🇪🇬 EGYPT184♥♦6-1-12
-5.5Round 14🇧🇩 BANGLADESH224♠x♥K-2-9
-5.6Round 4🇮🇩 INDONESIA276♠♦6-1-11
-5.7Round 17🇭🇰 CHINA HONG KONG43♥♠5+1-10
-6.1Round 11🇺🇸 USA172♥♥3-2-8
-6.1Round 19🇧🇪 BELGIUM26♣♥A-2-13
-6.3Round 19🇧🇪 BELGIUM133NT♥2-1-12
-6.3Round 20🇨🇦 CANADA185♣♥K-2-13
-6.4Round 7🇺🇸 USA294♥♣4=-7
-6.5Round 2🇯🇵 JAPAN302♣♠J-3-11
-6.7Round 2🇯🇵 JAPAN233♠♠8=-12
-6.8Round 1🇦🇺 AUSTRALIA113NT♥3+1-7
-6.9Round 5🇬🇵 GUADELOUPE33NT♦4+1-10
-7.0Round 4🇮🇩 INDONESIA184♣♥A+1-2
-7.0Round 4🇮🇩 INDONESIA202♠♣A-3-4
-7.2Round 2🇯🇵 JAPAN246♥♦J=+0
-7.6Round 2🇯🇵 JAPAN316♠♥10+1+11
-8.2Round 14🇧🇩 BANGLADESH235♠x♠5-1+0
-8.5Round 1🇦🇺 AUSTRALIA164♥♣9=-13
-8.6Round 11🇺🇸 USA1124♥♣9=-7
-9.3Round 17🇭🇰 CHINA HONG KONG93NT♦Q=+0
-9.5Round 1🇦🇺 AUSTRALIA25♥x♠K-2-8
-9.6Round 1🇦🇺 AUSTRALIA84♥♣K=-11
-9.6Round 10🇵🇱 POLAND184♠♦K=-3
-9.8Round 11🇺🇸 USA1146♠♣6+1+11
-10.2Round 1🇦🇺 AUSTRALIA134♠♣A=-9
-11.1Round 13🇳🇿 NEW ZEALAND134♠♠2=-13