🇭🇰 LAM Alfred · CHINA HONG KONG

18rank
+97.3Butler · 126 bds
+0.77per board
±4.1swing
+0.94vs par /bd · #10/99
+0.37adjusted /bd
Butler per round: -5.6 10.9 52.5 15.1 -13.4 -12.4 29.4 19.2 1.6by round

vs par split: bidding +0.58 · play +0.37

Strength of schedule: opponents averaged -0.40/bd (an easy draw) → opponent-adjusted +0.37/bd

Card play — on target: opening leads 75.0% #78 of 99 · declarer play 82.6% #12 of 99 · defence 83.6% #50 of 99

Card play by contract type — on target
vs NTvs a suit
Opening leads64.3% (14)81.8% (22)
Declarer play100.0% (5)77.8% (18)
Defence76.2% (21)87.0% (46)

Opening leads by suit led: ♠ 70.0% (10) · ♥ 60.0% (10) · ♦ 85.7% (7) · ♣ 88.9% (9)

vs par by strain: NT +1.00 (35) · a suit +0.92 (91)

vs par by level: part-score +1.21 (39) · game +0.48 (79) · slam +4.25 (8)

By role: declaring +1.64/bd (-0.73 vs par · 59) · defending +0.00/bd (+2.42 vs par · 67)

By vulnerability: vulnerable +1.03/bd (+2.27 vs par · 63) · not vulnerable +0.51/bd (-0.38 vs par · 63)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2M.WuH.Berk – D.SoukupClosed14-5.6-0.40-0.29
Round 6M.WuS.Maczka – L.TrendakOpen14+10.9+0.78+0.93
Round 7M.WuT.Irby – G.CacaceClosed14+52.5+3.75+3.86
Round 8M.WuH.Paoli – H.SalomaoClosed14+15.1+1.08+1.79
Round 10M.WuS.Van Oosten – P.PabstClosed14-13.4-0.96-1.00
Round 11M.WuROY SAGNIK – KUSHARI SAYANTANOpen14-12.4-0.89+1.71
Round 13M.WuB.Perez – L.CuevasOpen14+29.4+2.10+2.57
Round 14M.WuL.Bellicaud – R.BaslerClosed14+19.2+1.37-0.07
Round 16M.WuY.Liu – A.LeungClosed14+1.6+0.11-1.00

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
+10.9Round 16🇸🇬 SINGAPORE266♠♥K=+0
+9.7Round 14🇫🇷 FRANCE194♥♦3=+0
+9.4Round 7🇧🇲 BERMUDA264♥♦9-1+13
+8.0Round 6🇵🇱 POLAND94♠x♥K=+7
+7.9Round 13🇨🇱 CHILE65♦♣5+1-1
+7.2Round 7🇧🇲 BERMUDA247♠♣J=+0
+7.2Round 14🇫🇷 FRANCE154♥♦7=+0
+6.7Round 7🇧🇲 BERMUDA224♠♣J+3+14
+6.5Round 7🇧🇲 BERMUDA183NT♦7=+6
+6.5Round 8🇧🇷 BRAZIL113♠♠10-3+1
+6.5Round 8🇧🇷 BRAZIL135♥x♠K-2+14
+6.2Round 6🇵🇱 POLAND145♦x♠J=+3
+6.1Round 6🇵🇱 POLAND131NT♦4+2+10
+6.0Round 7🇧🇲 BERMUDA203♠♣8+1+10
+5.6Round 7🇧🇲 BERMUDA214♠♣K+1-8
+5.5Round 13🇨🇱 CHILE33NT♥5-3+7
+5.4Round 16🇸🇬 SINGAPORE275♦x♣3-3+2
+5.1Round 8🇧🇷 BRAZIL103♠♥A-3+14
+5.1Round 10🇩🇪 GERMANY203NT♦2-1+12
+5.1Round 13🇨🇱 CHILE14♠♥J+1+1
+4.8Round 2🇺🇸 USA264♥♠Q=+9
+4.8Round 14🇫🇷 FRANCE164♥♣3-2+11
+4.6Round 11🇮🇳 INDIA63♠x♣6-2+5
+4.6Round 16🇸🇬 SINGAPORE232♠♥5=+1
+4.4Round 13🇨🇱 CHILE104♠♥A-1+12
+4.2Round 11🇮🇳 INDIA43♥♣3=+1
+4.0Round 6🇵🇱 POLAND31NT♠A+2+2
+3.9Round 13🇨🇱 CHILE43♣♥10-2+9
+3.8Round 7🇧🇲 BERMUDA273♠♣K-1+5
+3.7Round 13🇨🇱 CHILE92NT♣3-2+6
+3.4Round 11🇮🇳 INDIA144♦♦5-3+0
+3.3Round 7🇧🇲 BERMUDA233NT♣4+1+11
+3.2Round 7🇧🇲 BERMUDA286♣♥Q+1+13
+2.6Round 10🇩🇪 GERMANY234♠♠7-2-7
+2.5Round 2🇺🇸 USA222♠♦J+1+0
+2.5Round 6🇵🇱 POLAND25♣♠K=+0
+2.4Round 8🇧🇷 BRAZIL12♥♠4+2+1
+2.4Round 14🇫🇷 FRANCE204♥♠4=+0
+2.4Round 14🇫🇷 FRANCE232NT♣K-1+5
+2.4Round 14🇫🇷 FRANCE284♠♦5=-1
+2.2Round 6🇵🇱 POLAND72♥♣A-1+1
+2.2Round 13🇨🇱 CHILE125♦♥7=-1
+2.2Round 16🇸🇬 SINGAPORE171NT♥J-3+1
+2.1Round 2🇺🇸 USA203NT♦J-1+0
+2.1Round 7🇧🇲 BERMUDA154♥♠2=-1
+2.1Round 7🇧🇲 BERMUDA255♦♣A-1-5
+2.0Round 8🇧🇷 BRAZIL84♥♦K+1+1
+2.0Round 14🇫🇷 FRANCE211NT♥10-1-1
+1.9Round 2🇺🇸 USA212NT♠J-1+2
+1.9Round 10🇩🇪 GERMANY184♠♥Q-1+6
+1.9Round 10🇩🇪 GERMANY244♥♦5-1+4
+1.8Round 8🇧🇷 BRAZIL53♦♠J=+0
+1.6Round 2🇺🇸 USA175♦♦8=-11
+1.5Round 16🇸🇬 SINGAPORE163NT♣Q=-1
+1.4Round 13🇨🇱 CHILE144♥♣A+1+0
+1.4Round 16🇸🇬 SINGAPORE253NT♥3-2+5
+1.2Round 11🇮🇳 INDIA115♦x♥K-1+0
+0.8Round 2🇺🇸 USA273NT♠7+2+0
+0.8Round 13🇨🇱 CHILE24♥♣K-2+9
+0.8Round 14🇫🇷 FRANCE273NT♥2=+0
+0.6Round 8🇧🇷 BRAZIL22♥♦K+2+4
+0.6Round 16🇸🇬 SINGAPORE204♠♥A-1+6
+0.6Round 16🇸🇬 SINGAPORE243♦♠K+3+13
+0.5Round 11🇮🇳 INDIA33NT♠10+2+0
+0.5Round 14🇫🇷 FRANCE182♠♦Q+1+0
+0.5Round 16🇸🇬 SINGAPORE153♠♦A+1-7
+0.4Round 2🇺🇸 USA154♠♥Q+1+0
+0.3Round 6🇵🇱 POLAND43♥♦8+2+2
+0.2Round 11🇮🇳 INDIA23♦♠7-2+9
+0.2Round 11🇮🇳 INDIA53NT♣Q+1+0
+0.1Round 2🇺🇸 USA284NT♣7+1-11
+0.1Round 7🇧🇲 BERMUDA163♥♠9-1+0
+0.1Round 8🇧🇷 BRAZIL44♠♥5+1+0
+0.1Round 8🇧🇷 BRAZIL123NT♠8+1+1
+0.1Round 11🇮🇳 INDIA101NT♠4+1+1
-0.0Round 13🇨🇱 CHILE54♥♠6=-1
-0.1Round 11🇮🇳 INDIA93♣♦J+2+6
-0.1Round 13🇨🇱 CHILE114♥♠5+1+11
-0.1Round 14🇫🇷 FRANCE254♥♦K+2-13
-0.3Round 8🇧🇷 BRAZIL33♦♣5=+1
-0.5Round 10🇩🇪 GERMANY264♥♣A=+0
-0.5Round 16🇸🇬 SINGAPORE283NT♣4+2+0
-0.6Round 8🇧🇷 BRAZIL145♣x♠3-1+0
-0.6Round 10🇩🇪 GERMANY153NT♥A+1-11
-0.6Round 10🇩🇪 GERMANY274♥♠A+2-1
-0.6Round 16🇸🇬 SINGAPORE193NT♥2=+0
-0.7Round 6🇵🇱 POLAND13NT♥3=+1
-0.8Round 6🇵🇱 POLAND85♣♠4+1-1
-0.8Round 14🇫🇷 FRANCE173NT♠4=+1
-1.0Round 2🇺🇸 USA236♥♠6=+13
-1.0Round 13🇨🇱 CHILE134♠♦8+2-13
-1.1Round 2🇺🇸 USA194♠♦9=+0
-1.2Round 2🇺🇸 USA243♥♦6-2-1
-1.2Round 11🇮🇳 INDIA74♥♦J+2+13
-1.2Round 13🇨🇱 CHILE85♥♠4=+0
-1.4Round 10🇩🇪 GERMANY212♥♠Q+1-1
-1.5Round 6🇵🇱 POLAND64♠♥2+1+0
-1.5Round 6🇵🇱 POLAND124♠♣4+2-1
-1.6Round 7🇧🇲 BERMUDA192♣♣10+1+0
-1.7Round 8🇧🇷 BRAZIL94♥♦5-1+1
-1.9Round 7🇧🇲 BERMUDA173NT♠6+1-4
-1.9Round 10🇩🇪 GERMANY222NT♦4-2-8
-2.1Round 6🇵🇱 POLAND53NT♠5+1+0
-2.2Round 10🇩🇪 GERMANY174♥♠5=-3
-2.3Round 6🇵🇱 POLAND113NTx♠9-1-6
-2.4Round 11🇮🇳 INDIA82♠♣8-1-5
-2.4Round 14🇫🇷 FRANCE243NT♥2+1-1
-2.5Round 14🇫🇷 FRANCE263NT♠K+2-1
-3.2Round 10🇩🇪 GERMANY161♠xx♥K-1-6
-3.2Round 10🇩🇪 GERMANY195♥♦2=-2
-3.2Round 13🇨🇱 CHILE75♦♣J=-3
-3.3Round 8🇧🇷 BRAZIL74♠♣A+1-1
-3.5Round 11🇮🇳 INDIA13NT♣2-3-2
-4.1Round 8🇧🇷 BRAZIL63♦♥9-1-12
-4.5Round 10🇩🇪 GERMANY256NT♦2=+11
-4.9Round 2🇺🇸 USA256♠♦K+1+11
-5.5Round 2🇺🇸 USA184♥♣10-1-8
-6.1Round 2🇺🇸 USA165♦♥5-3-8
-6.3Round 16🇸🇬 SINGAPORE185♦♦7-2-6
-6.8Round 10🇩🇪 GERMANY283♦♣A=-8
-7.2Round 14🇫🇷 FRANCE223NT♠3+1-1
-8.1Round 11🇮🇳 INDIA124♥♦10+1-4
-9.2Round 16🇸🇬 SINGAPORE226♦♣5-3-14
-9.5Round 6🇵🇱 POLAND105♠♥K+1-5
-9.5Round 16🇸🇬 SINGAPORE213♣♥A=-14
-11.5Round 11🇮🇳 INDIA136♥♠3=+0