🇸🇬 LAM Ze Ying · SINGAPORE

105rank
-62.5Butler · 240 bds
-0.26per board
±4.6swing
-0.93vs par /bd · #127/138
-0.12adjusted /bd
Butler per round: -13 -18.7 8.6 18.5 -0.3 7.8 -6.2 23.8 -12.3 -37 -2.7 -11.8 5.1 0.6 -24.9by round

vs par split: bidding -0.75 · play -0.18

Strength of schedule: opponents averaged +0.14/bd (a tough draw) → opponent-adjusted -0.12/bd

Card play — on target: opening leads 77.8% #102 of 138 · declarer play 82.1% #19 of 138 · defence 82.8% #96 of 138

Card play by contract type — on target
vs NTvs a suit
Opening leads71.4% (21)81.8% (33)
Declarer play71.4% (21)87.0% (46)
Defence83.0% (47)82.6% (69)

Opening leads by suit led: ♠ 70.0% (10) · ♥ 91.7% (12) · ♦ 61.5% (13) · ♣ 84.2% (19)

vs par by strain: NT -0.52 (81) · a suit -1.13 (159)

vs par by level: part-score -0.33 (83) · game -1.40 (138) · slam -0.10 (19)

By role: declaring +0.39/bd (-2.90 vs par · 124) · defending -0.96/bd (+1.19 vs par · 116)

By vulnerability: vulnerable -0.54/bd (-1.18 vs par · 120) · not vulnerable +0.02/bd (-0.67 vs par · 120)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.RobinsonG.Mihai – R.MihaiClosed16-13.0-0.81-2.75
Round 3S.RobinsonP.Markey – L.TravisOpen16-18.7-1.17-1.12
Round 4S.RobinsonM.Liu – K.ChenClosed16+8.6+0.54-0.44
Round 5S.RobinsonC.Cambournac – G.CambournacClosed16+18.5+1.16-0.62
Round 7S.RobinsonE.Juchimowicz Pugliese – L.FerreroClosed16-0.3-0.02-1.00
Round 8S.RobinsonP.Jepsen – S.Buus ThomsenClosed16+7.8+0.49+0.31
Round 10S.RobinsonJ.Castillo – J.OchoaOpen16-6.2-0.39-0.25
Round 11S.RobinsonA.Lin – C.WillenkenOpen16+23.8+1.49+0.94
Round 13S.RobinsonP.Gruenke – M.EggelingOpen16-12.3-0.77+0.12
Round 15S.RobinsonT.Edis – E.EdisClosed16-37.0-2.31-3.19
Round 16S.RobinsonN.Rechtman – P.CumminsOpen16-2.7-0.17-1.12
Round 18S.RobinsonY.Chen – B.FuOpen16-11.8-0.74-0.81
Round 19S.RobinsonG.Dauwe – T.DobbelsOpen16+5.1+0.32+1.44
Round 20S.RobinsonH.Sellami – M.LakhdharOpen16+0.6+0.04-1.25
Round 22S.RobinsonM.Barel – P.KatzOpen16-24.9-1.56-4.12

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
+11.3Round 11🇺🇸 USA2136♠♣K=+1
+10.7Round 3🇦🇺 AUSTRALIA86♥♦10-2+14
+10.5Round 16🇧🇧 BARBADOS306♥♣4=+0
+10.4Round 20🇹🇳 TUNISIA155♠x♦6-2+12
+9.7Round 19🇧🇪 BELGIUM114♠♣A=+11
+9.6Round 10🇨🇴 COLOMBIA206♥♣A=+0
+8.9Round 15🇦🇪 UAE133NT♥K-1+15
+8.4Round 1🇷🇴 ROMANIA143NT♠4-1+5
+8.4Round 8🇩🇰 DENMARK266♦♠2+1+13
+8.3Round 8🇩🇰 DENMARK323NT♠6+1+4
+8.2Round 5🇲🇦 MOROCCO145♣♠A+1-11
+8.2Round 13🇩🇪 GERMANY146♥♠Q-1+14
+7.7Round 7🇦🇷 ARGENTINA26♥♥10=-11
+7.3Round 8🇩🇰 DENMARK293NT♥5-2+8
+7.2Round 19🇧🇪 BELGIUM43♠♦5=+0
+7.1Round 8🇩🇰 DENMARK284♥♦A=+7
+7.0Round 19🇧🇪 BELGIUM154♥♦A=+7
+7.0Round 20🇹🇳 TUNISIA105♣♥K=+0
+6.7Round 4🇹🇼 CHINESE TAIPEI236♥♠K-4+11
+6.4Round 11🇺🇸 USA256NT♣8-2+13
+6.0Round 11🇺🇸 USA272♥♦A+2+7
+5.9Round 11🇺🇸 USA2147♦♦J=-2
+5.9Round 20🇹🇳 TUNISIA54♥♠2=+0
+5.8Round 7🇦🇷 ARGENTINA134♥♣A=+0
+5.8Round 7🇦🇷 ARGENTINA153♠♦K=+0
+5.6Round 13🇩🇪 GERMANY74♠♣7-1+12
+5.6Round 22🇮🇱 ISRAEL105♦x♥K=+4
+5.4Round 4🇹🇼 CHINESE TAIPEI262♣♦7+1+11
+5.3Round 1🇷🇴 ROMANIA24♥♣2=+0
+4.8Round 10🇨🇴 COLOMBIA263NT♠6-1+6
+4.7Round 5🇲🇦 MOROCCO132♥♦8+1+7
+4.7Round 11🇺🇸 USA2163NT♣5+1+0
+4.4Round 5🇲🇦 MOROCCO165♠x♦K-3-7
+4.4Round 20🇹🇳 TUNISIA111NT♥6-3+1
+4.3Round 11🇺🇸 USA264♥♦K-2+6
+4.1Round 4🇹🇼 CHINESE TAIPEI314♥♣4-1+6
+4.1Round 15🇦🇪 UAE64♥♠J=-1
+4.0Round 16🇧🇧 BARBADOS293NT♦9=+10
+3.9Round 1🇷🇴 ROMANIA123NT♣6-1+6
+3.9Round 4🇹🇼 CHINESE TAIPEI213♦♣A-1+0
+3.7Round 5🇲🇦 MOROCCO41NT♦Q=+5
+3.7Round 7🇦🇷 ARGENTINA101NT♣6=+0
+3.4Round 4🇹🇼 CHINESE TAIPEI292♠♣3-1-6
+3.4Round 4🇹🇼 CHINESE TAIPEI305♠♣6=+0
+3.4Round 18🇨🇳 CHINA303♠♥9-1+4
+3.3Round 3🇦🇺 AUSTRALIA165♣♥J=+3
+3.3Round 18🇨🇳 CHINA231NT♥2-1+0
+3.2Round 8🇩🇰 DENMARK175♣♦2=+9
+3.2Round 16🇧🇧 BARBADOS283♥♣A+1+1
+3.1Round 10🇨🇴 COLOMBIA284♠♣K-1+5
+3.1Round 20🇹🇳 TUNISIA163NT♦4=+0
+3.0Round 19🇧🇪 BELGIUM12♠♣3+2+6
+2.9Round 15🇦🇪 UAE143♠♠4=+0
+2.8Round 10🇨🇴 COLOMBIA274♥♠5-1+8
+2.6Round 5🇲🇦 MOROCCO104♥♦J=+0
+2.2Round 5🇲🇦 MOROCCO123NT♠8=+0
+2.2Round 8🇩🇰 DENMARK182♠♥5=+0
+2.1Round 4🇹🇼 CHINESE TAIPEI224♥♣8-1+5
+2.1Round 13🇩🇪 GERMANY22♥♣5-1+11
+2.0Round 18🇨🇳 CHINA294♠♥6-1+12
+2.0Round 22🇮🇱 ISRAEL155♦♣10+1-11
+1.9Round 16🇧🇧 BARBADOS212♠♣4+1+0
+1.9Round 19🇧🇪 BELGIUM144♥♠6+1+4
+1.9Round 22🇮🇱 ISRAEL84♥♠3-1+5
+1.7Round 3🇦🇺 AUSTRALIA104♠♥4-1+6
+1.7Round 7🇦🇷 ARGENTINA123NT♥3+1+1
+1.7Round 11🇺🇸 USA2102♠♣3+2+1
+1.7Round 13🇩🇪 GERMANY113♦♠2=+0
+1.6Round 3🇦🇺 AUSTRALIA113NT♠2=+0
+1.6Round 4🇹🇼 CHINESE TAIPEI194♥♠A=-1
+1.6Round 7🇦🇷 ARGENTINA81NT♥3-1+3
+1.5Round 19🇧🇪 BELGIUM93NT♦4+1+0
+1.3Round 11🇺🇸 USA221♥♣K+1+1
+1.3Round 16🇧🇧 BARBADOS181NT♣3=-1
+1.3Round 18🇨🇳 CHINA283NT♠6=-2
+1.3Round 20🇹🇳 TUNISIA124♥♣Q-3-3
+1.1Round 13🇩🇪 GERMANY132♥♦3+1+0
+1.0Round 3🇦🇺 AUSTRALIA56♣♠3+1-11
+1.0Round 4🇹🇼 CHINESE TAIPEI273♦♣2=+0
+1.0Round 7🇦🇷 ARGENTINA93♦♣3-1+5
+1.0Round 13🇩🇪 GERMANY43NT♠3=+0
+1.0Round 22🇮🇱 ISRAEL24♥♠6+3-10
+0.9Round 5🇲🇦 MOROCCO153NT♦5+2+12
+0.9Round 7🇦🇷 ARGENTINA142♠♥9=+0
+0.9Round 16🇧🇧 BARBADOS222♠♣2+2+6
+0.9Round 16🇧🇧 BARBADOS324♠♦A+1+4
+0.9Round 20🇹🇳 TUNISIA63♣♣8-1-2
+0.8Round 4🇹🇼 CHINESE TAIPEI175♦♣Q-1+5
+0.8Round 5🇲🇦 MOROCCO74♥♣10+1+0
+0.8Round 16🇧🇧 BARBADOS205♥♦A+1+1
+0.8Round 18🇨🇳 CHINA251NT♥9=+5
+0.7Round 1🇷🇴 ROMANIA92NT♠4-1+5
+0.7Round 4🇹🇼 CHINESE TAIPEI323NT♠Q=-13
+0.7Round 10🇨🇴 COLOMBIA243♥♦A=+1
+0.7Round 18🇨🇳 CHINA204♠♣K+2+1
+0.7Round 19🇧🇪 BELGIUM104♠♦K=+1
+0.6Round 5🇲🇦 MOROCCO94♠♦10+1+0
+0.6Round 13🇩🇪 GERMANY35♣♥5=-13
+0.6Round 18🇨🇳 CHINA313NT♠J+1+0
+0.6Round 22🇮🇱 ISRAEL143NT♥8+3-11
+0.5Round 8🇩🇰 DENMARK302♠♥A+1+1
+0.5Round 15🇦🇪 UAE151NT♥5=+1
+0.5Round 15🇦🇪 UAE163♥♣5-1-3
+0.4Round 1🇷🇴 ROMANIA163NT♥4+2-12
+0.4Round 5🇲🇦 MOROCCO14♥♣4+1-11
+0.4Round 10🇨🇴 COLOMBIA321NT♥K=+8
+0.4Round 16🇧🇧 BARBADOS313NT♥2+1+1
+0.3Round 19🇧🇪 BELGIUM84♠♦10=+1
+0.2Round 5🇲🇦 MOROCCO114♠♣K-1-5
+0.2Round 8🇩🇰 DENMARK271NT♣10-2-1
+0.2Round 20🇹🇳 TUNISIA94♠♣A=+0
+0.1Round 1🇷🇴 ROMANIA56♠x♦K-2-5
+0.1Round 3🇦🇺 AUSTRALIA124♥♠10=+0
+0.1Round 16🇧🇧 BARBADOS241NT♥A+1-1
+0.1Round 20🇹🇳 TUNISIA43NT♣4+3+12
-0.0Round 5🇲🇦 MOROCCO64♠♥4+1+11
-0.0Round 8🇩🇰 DENMARK222♣♠9+3-1
-0.0Round 10🇨🇴 COLOMBIA234♥♦J=+3
-0.0Round 11🇺🇸 USA213NT♣4+2+11
-0.0Round 13🇩🇪 GERMANY91NT♥5-3-4
-0.0Round 19🇧🇪 BELGIUM65♠♦K=+0
-0.0Round 22🇮🇱 ISRAEL52♥♠Q+2+10
-0.1Round 10🇨🇴 COLOMBIA312♥♦9-1+2
-0.1Round 13🇩🇪 GERMANY103NT♥Q+1-1
-0.2Round 1🇷🇴 ROMANIA32♠♥K-1-5
-0.2Round 1🇷🇴 ROMANIA86♥♥4+1-11
-0.2Round 1🇷🇴 ROMANIA154♠♦A-1+2
-0.2Round 5🇲🇦 MOROCCO23NT♣7-2+7
-0.2Round 10🇨🇴 COLOMBIA222♠♥4=+0
-0.2Round 22🇮🇱 ISRAEL114♥♣7+2-14
-0.3Round 7🇦🇷 ARGENTINA163♦♠6+3-10
-0.3Round 16🇧🇧 BARBADOS271NT♣2=+0
-0.3Round 22🇮🇱 ISRAEL133♦♠K=-1
-0.4Round 10🇨🇴 COLOMBIA212NT♦9=-1
-0.4Round 11🇺🇸 USA233NT♠2=-1
-0.5Round 11🇺🇸 USA294♠♣K=+0
-0.5Round 20🇹🇳 TUNISIA23NT♣2+1+1
-0.5Round 22🇮🇱 ISRAEL71NT♣Q-2+2
-0.6Round 3🇦🇺 AUSTRALIA14♥♣7+1+0
-0.6Round 4🇹🇼 CHINESE TAIPEI183♦♥K-2+1
-0.6Round 10🇨🇴 COLOMBIA175♣♠6=-1
-0.6Round 16🇧🇧 BARBADOS173NT♥5+4-9
-0.6Round 20🇹🇳 TUNISIA14♥♦Q+1-8
-0.7Round 3🇦🇺 AUSTRALIA153♣♣A-2+1
-0.7Round 13🇩🇪 GERMANY83NT♦2+2+14
-0.7Round 13🇩🇪 GERMANY123NT♠Q=-1
-0.7Round 18🇨🇳 CHINA243♦♣A-1-2
-0.8Round 7🇦🇷 ARGENTINA73NT♠7=+0
-0.8Round 8🇩🇰 DENMARK312♦♥6=+0
-0.8Round 10🇨🇴 COLOMBIA251NT♦5=+0
-1.0Round 1🇷🇴 ROMANIA103NT♠3+2-1
-1.0Round 8🇩🇰 DENMARK192NT♥8=-1
-1.0Round 15🇦🇪 UAE24♥♣3=-1
-1.0Round 20🇹🇳 TUNISIA134♥♠Q=+0
-1.1Round 15🇦🇪 UAE13♣♥9-1-2
-1.1Round 18🇨🇳 CHINA213NT♠5+2+0
-1.1Round 22🇮🇱 ISRAEL33NT♠4-2-11
-1.2Round 11🇺🇸 USA2155♠♣10+1-11
-1.3Round 5🇲🇦 MOROCCO54♠♣10+1+0
-1.4Round 7🇦🇷 ARGENTINA65♥♦A=+0
-1.4Round 10🇨🇴 COLOMBIA192♠♦K+1+0
-1.4Round 13🇩🇪 GERMANY62♥♦10+1+0
-1.5Round 15🇦🇪 UAE33NT♥9-2-8
-1.7Round 1🇷🇴 ROMANIA42NT♠9=+0
-1.7Round 13🇩🇪 GERMANY164♠♥7=-1
-1.7Round 22🇮🇱 ISRAEL43NT♦6=-2
-1.8Round 4🇹🇼 CHINESE TAIPEI244♠♣2+3-2
-1.9Round 3🇦🇺 AUSTRALIA94♥♣J+2-13
-2.0Round 19🇧🇪 BELGIUM121NT♥7+1+10
-2.1Round 22🇮🇱 ISRAEL12♥♣3-1-4
-2.2Round 7🇦🇷 ARGENTINA53NT♣Q+3+12
-2.2Round 11🇺🇸 USA244♠x♦A-1-2
-2.3Round 11🇺🇸 USA2113♦♣5=+0
-2.3Round 18🇨🇳 CHINA273NT♠4-1-10
-2.3Round 19🇧🇪 BELGIUM53♥♠K-1+2
-2.5Round 7🇦🇷 ARGENTINA31NT♣6+2-6
-2.5Round 16🇧🇧 BARBADOS192♠♣3+1-2
-2.7Round 18🇨🇳 CHINA193NT♥5+2-2
-2.7Round 18🇨🇳 CHINA263♠♥5-3-8
-2.7Round 19🇧🇪 BELGIUM164♠x♣2-2+0
-2.8Round 3🇦🇺 AUSTRALIA134♠♦K-2-3
-2.8Round 18🇨🇳 CHINA181NT♥5-1-5
-2.9Round 3🇦🇺 AUSTRALIA61NT♠5+2+0
-2.9Round 3🇦🇺 AUSTRALIA141NT♠K+2+0
-3.0Round 15🇦🇪 UAE84♠♣7-1-5
-3.2Round 8🇩🇰 DENMARK206NT♣Q+1-1
-3.2Round 8🇩🇰 DENMARK253NT♥4-2-7
-3.2Round 13🇩🇪 GERMANY14♥x♦K-2+0
-3.2Round 18🇨🇳 CHINA172♥♠A+1+0
-3.5Round 11🇺🇸 USA2123♥♣6=-1
-3.6Round 19🇧🇪 BELGIUM74♠♥K+2-13
-3.7Round 3🇦🇺 AUSTRALIA32♠♦5+2-2
-3.7Round 4🇹🇼 CHINESE TAIPEI254♠♦A=+0
-3.7Round 5🇲🇦 MOROCCO84♠♥7-1-5
-3.7Round 18🇨🇳 CHINA223NT♦10-2-13
-3.9Round 8🇩🇰 DENMARK245♥x♥4-3-2
-4.0Round 19🇧🇪 BELGIUM26♣♦2=+0
-4.2Round 1🇷🇴 ROMANIA13♣♦6+1-7
-4.4Round 15🇦🇪 UAE53♦♠3+2-7
-4.5Round 10🇨🇴 COLOMBIA304♠♣6+1-11
-4.5Round 15🇦🇪 UAE73NT♠10=+0
-4.7Round 16🇧🇧 BARBADOS252♥♦5-1-6
-4.7Round 18🇨🇳 CHINA322♠♣Q+1+7
-4.8Round 1🇷🇴 ROMANIA114♥♦10+1-1
-5.0Round 5🇲🇦 MOROCCO34NT♥Q=-13
-5.1Round 1🇷🇴 ROMANIA74♥♥3=-9
-5.2Round 19🇧🇪 BELGIUM132♠♣K+1-6
-5.2Round 22🇮🇱 ISRAEL123NT♠6=+0
-5.5Round 1🇷🇴 ROMANIA132NT♥Q=-1
-5.6Round 15🇦🇪 UAE44♥♦A-2-13
-5.7Round 16🇧🇧 BARBADOS263NT♦A-1-6
-5.9Round 7🇦🇷 ARGENTINA114♥♠10+1+0
-5.9Round 15🇦🇪 UAE104♥♦K+1-1
-5.9Round 20🇹🇳 TUNISIA143♥♣A=-11
-6.0Round 3🇦🇺 AUSTRALIA74♠♦A=+1
-6.4Round 19🇧🇪 BELGIUM33NT♣7=+0
-6.5Round 22🇮🇱 ISRAEL94NT♥9+3-17
-6.6Round 20🇹🇳 TUNISIA84♥♠5=-8
-6.8Round 3🇦🇺 AUSTRALIA23NT♥10+1-4
-6.8Round 15🇦🇪 UAE125♣x♥10-1-6
-7.3Round 8🇩🇰 DENMARK233♦♣3-1-11
-7.4Round 7🇦🇷 ARGENTINA16♥♣A=+0
-7.4Round 10🇨🇴 COLOMBIA185♣♠10+1-11
-7.7Round 4🇹🇼 CHINESE TAIPEI203NT♣2+1-10
-7.7Round 11🇺🇸 USA285♠x♥7=-8
-8.0Round 7🇦🇷 ARGENTINA43♠♥9+2-10
-8.3Round 20🇹🇳 TUNISIA73NT♣3=+0
-8.7Round 22🇮🇱 ISRAEL164♠♥A+1-6
-8.8Round 3🇦🇺 AUSTRALIA43NT♣4=-10
-8.9Round 1🇷🇴 ROMANIA63♥♠A+1-10
-9.7Round 22🇮🇱 ISRAEL66♥♦7=+0
-9.8Round 20🇹🇳 TUNISIA34♠♣K-3-14
-10.0Round 8🇩🇰 DENMARK214♥♠A=-13
-10.0Round 15🇦🇪 UAE93NT♥4-4-12
-10.1Round 15🇦🇪 UAE113NT♠7+2-8
-10.7Round 4🇹🇼 CHINESE TAIPEI287NT♦7-1-14
-11.7Round 13🇩🇪 GERMANY154♠♥J+1-15
-12.2Round 10🇨🇴 COLOMBIA296♥♦7-2-13
-12.9Round 16🇧🇧 BARBADOS234♥x♦J-3-16
-13.1Round 13🇩🇪 GERMANY53♦x♣Q-4-14