🇭🇰 LING Roger · HONG KONG CHINA

84rank
-10.9Butler · 256 bds
-0.04per board
±4.8swing
+0.23vs par /bd · #52/135
-0.07adjusted /bd
Butler per round: -13.4 -20.3 27.8 -11.2 2.8 6.9 27.8 -7.2 -24.3 10.1 31.7 -13.3 2.3 4.8 -25.5 -9.9by round

vs par split: bidding +0.55 · play -0.33

Strength of schedule: opponents averaged -0.03/bd (an average draw) → opponent-adjusted -0.07/bd

Card play — on target: opening leads 86.7% #17 of 135 · declarer play 76.1% #56 of 135 · defence 77.7% #128 of 135

Card play by contract type — on target
vs NTvs a suit
Opening leads78.6% (14)89.1% (46)
Declarer play66.7% (21)80.4% (46)
Defence76.9% (39)78.0% (100)

Opening leads by suit led: ♠ 90.9% (11) · ♥ 76.2% (21) · ♦ 92.9% (14) · ♣ 92.9% (14)

vs par by strain: NT -0.23 (75) · a suit +0.41 (180)

vs par by level: part-score +0.57 (97) · game -0.20 (134) · slam +1.17 (24)

By role: declaring -0.15/bd (-2.29 vs par · 116) · defending +0.05/bd (+2.32 vs par · 140)

By vulnerability: vulnerable +0.24/bd (+0.41 vs par · 128) · not vulnerable -0.33/bd (+0.06 vs par · 128)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.ChanC.Lin – J.ChungOpen16-13.4-0.84-2.62
Round 3S.ChanR.Lin – J.TaoOpen16-20.3-1.27-0.38
Round 5S.ChanA.Belkouch – M.DiniaOpen16+27.8+1.74+3.00
Round 6S.ChanM.Ahmed – M.HussainOpen16-11.2-0.70+2.75
Round 8S.ChanN.Hanna – J.RaynerOpen16+2.8+0.17+0.19
Round 9S.ChanA.Farstad – J.MikkelsenOpen16+6.9+0.43+1.00
Round 10S.ChanP.Gilliocq – F.MondorOpen16+27.8+1.74+1.50
Round 12S.ChanD.Yadlin – E.OrensteinOpen16-7.2-0.45+0.06
Round 13S.ChanV.Koneru – P.RajadhyakshaOpen16-24.3-1.52-3.06
Round 15S.ChanA.Rivas – A.HoyosOpen16+10.1+0.63+1.56
Round 17S.ChanM.Narunsky – M.AlexanderOpen16+31.7+1.98+1.00
Round 18S.ChanM.Gustawsson – J.SylvanOpen16-13.3-0.83-0.81
Round 20S.ChanJ.Palmieri – P.HamelOpen16+2.3+0.14-1.19
Round 21S.ChanH.Fleury – P.ChottinOpen16+4.8+0.30+1.12
Round 22S.ChanB.Hamman – P.WeichselOpen16-25.5-1.59+1.19
Round 23S.ChanS.Basak – H.JalanOpen16-9.9-0.62-1.62

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
+14.9Round 8🇨🇦 CANADA207NTx♣Q=+14
+13.7Round 21🇫🇷 FRANCE237NT♥8-2+20
+11.5Round 5🇲🇦 MOROCCO104♥♦J-2+13
+11.0Round 17🇿🇦 SOUTH AFRICA56NT♦Q=+0
+10.9Round 9🇳🇴 NORWAY54♥♠9+3+14
+10.8Round 20🇷🇪 REUNION32♥x♠A-5+10
+10.0Round 5🇲🇦 MOROCCO156♣♦Q=+0
+9.8Round 17🇿🇦 SOUTH AFRICA34♠♣K=+10
+9.7Round 15🇨🇴 COLOMBIA63NT♠2-1+13
+9.6Round 12🇮🇱 ISRAEL206♣♦A-1+12
+9.3Round 17🇿🇦 SOUTH AFRICA146♥x♦A-3+9
+8.8Round 22🇺🇸 USA254♥♣6=+0
+8.6Round 20🇷🇪 REUNION23♠♣Q=+11
+8.5Round 3🇨🇳 CHINA76♠♦A-2+13
+8.4Round 5🇲🇦 MOROCCO54♠x♥Q+1+8
+8.4Round 8🇨🇦 CANADA176♣♠10=+3
+8.2Round 8🇨🇦 CANADA233♣♦J+2+10
+8.0Round 20🇷🇪 REUNION163NT♦10+1+1
+7.7Round 15🇨🇴 COLOMBIA125♣x♠A-1+6
+7.5Round 6🇵🇰 PAKISTAN216♥♣A-1+17
+7.5Round 12🇮🇱 ISRAEL194♠x♥K+1+7
+7.0Round 10🇬🇵 GUADELOUPE306♠♣10=+0
+6.8Round 9🇳🇴 NORWAY104♥♦8-3+5
+6.7Round 10🇬🇵 GUADELOUPE194♠♦K=+10
+6.5Round 6🇵🇰 PAKISTAN224♠♣2=-1
+6.5Round 10🇬🇵 GUADELOUPE265♦♥A-2+8
+6.2Round 15🇨🇴 COLOMBIA73NT♦6=+0
+6.0Round 9🇳🇴 NORWAY16♦♠K-1+8
+6.0Round 17🇿🇦 SOUTH AFRICA133♣♥3+2+1
+6.0Round 23🇮🇳 INDIA286♥♦A-2+12
+5.8Round 10🇬🇵 GUADELOUPE273♠♣K+2+11
+5.7Round 20🇷🇪 REUNION73NT♠8-1+12
+5.7Round 20🇷🇪 REUNION154♦x♣A-1+7
+5.1Round 5🇲🇦 MOROCCO165♠x♥K-1+12
+5.1Round 10🇬🇵 GUADELOUPE186♣♠A=-2
+5.0Round 10🇬🇵 GUADELOUPE313♣♥4-2+7
+4.9Round 18🇸🇪 SWEDEN264♥♠3+1+0
+4.8Round 21🇫🇷 FRANCE283NT♦5-2+12
+4.6Round 3🇨🇳 CHINA104♠♦3-2+8
+4.4Round 22🇺🇸 USA294♥♠3+3+17
+4.3Round 9🇳🇴 NORWAY63♣♥3-1+6
+4.3Round 20🇷🇪 REUNION105♣♥K=+0
+4.1Round 15🇨🇴 COLOMBIA54♦♠5+1+7
+4.0Round 5🇲🇦 MOROCCO143♠♣A=+14
+3.8Round 1🇹🇼 CHINESE TAIPEI24♠♦6=+0
+3.8Round 10🇬🇵 GUADELOUPE285♣♥A-1+5
+3.8Round 21🇫🇷 FRANCE214♥♦9=+0
+3.8Round 22🇺🇸 USA2165♥x♠J-1+0
+3.4Round 15🇨🇴 COLOMBIA163♠♥Q-1+6
+3.3Round 8🇨🇦 CANADA323♦♥A+2+8
+3.3Round 9🇳🇴 NORWAY84♠♣A=+3
+3.0Round 1🇹🇼 CHINESE TAIPEI13NT♠6=+0
+3.0Round 21🇫🇷 FRANCE323NT♥7+1+4
+3.0Round 23🇮🇳 INDIA223NT♥4-1+10
+2.9Round 5🇲🇦 MOROCCO41NT♦10=+0
+2.9Round 22🇺🇸 USA2114♥♠7+2+14
+2.8Round 23🇮🇳 INDIA214♠♥4-2+2
+2.7Round 6🇵🇰 PAKISTAN303NT♥4+1+0
+2.7Round 9🇳🇴 NORWAY153♥♣5+1+6
+2.6Round 10🇬🇵 GUADELOUPE22Pass+3
+2.6Round 13🇺🇸 USA152♦♦K=+5
+2.5Round 6🇵🇰 PAKISTAN236♣♠4-1+12
+2.4Round 1🇹🇼 CHINESE TAIPEI43NT♠7-1+6
+2.4Round 5🇲🇦 MOROCCO34NT♥Q+1+13
+2.4Round 23🇮🇳 INDIA271NT♥7-4-5
+2.2Round 17🇿🇦 SOUTH AFRICA23NT♥3+3+13
+2.2Round 17🇿🇦 SOUTH AFRICA164♠♣3=-5
+2.2Round 18🇸🇪 SWEDEN294♠♥4-1+12
+2.1Round 10🇬🇵 GUADELOUPE243♥♦A+1+2
+2.0Round 1🇹🇼 CHINESE TAIPEI152♠♥5-1+2
+2.0Round 3🇨🇳 CHINA165♦x♣A-3+0
+1.9Round 17🇿🇦 SOUTH AFRICA103♠♥3-1+5
+1.9Round 17🇿🇦 SOUTH AFRICA152♣♣2+2+0
+1.9Round 21🇫🇷 FRANCE183NT♠2=+0
+1.8Round 3🇨🇳 CHINA61NT♣10=+2
+1.8Round 12🇮🇱 ISRAEL323♦♠8+1-7
+1.8Round 23🇮🇳 INDIA231NT♣2-2+2
+1.7Round 10🇬🇵 GUADELOUPE173NT♠10+2+1
+1.7Round 13🇺🇸 USA123♥♠2-3-10
+1.7Round 23🇮🇳 INDIA254♥♥7-1+3
+1.6Round 6🇵🇰 PAKISTAN253NT♣4-1+4
+1.5Round 8🇨🇦 CANADA191NT♠Q+1+1
+1.3Round 10🇬🇵 GUADELOUPE294♥♣6+1+0
+1.3Round 12🇮🇱 ISRAEL234♣♥4-1+11
+1.3Round 12🇮🇱 ISRAEL273NT♥9=+0
+1.3Round 15🇨🇴 COLOMBIA103♥♦A=-10
+1.3Round 21🇫🇷 FRANCE174♥♣K+1+11
+1.3Round 23🇮🇳 INDIA202♠♦10+1+0
+1.2Round 8🇨🇦 CANADA222♣♠9+3+1
+1.2Round 12🇮🇱 ISRAEL295♠x♣A-2+0
+1.2Round 13🇺🇸 USA183NT♦2+2-14
+1.2Round 18🇸🇪 SWEDEN251NT♠6=+5
+1.1Round 9🇳🇴 NORWAY91NT♠7+2+1
+1.0Round 6🇵🇰 PAKISTAN292♥♠5=+0
+1.0Round 15🇨🇴 COLOMBIA135♦♥6+1-10
+0.9Round 23🇮🇳 INDIA172♠♦2-2+1
+0.9Round 23🇮🇳 INDIA182♠♦A-1-8
+0.8Round 8🇨🇦 CANADA254♠♥A-1+5
+0.8Round 18🇸🇪 SWEDEN182♠♣A-1-1
+0.7Round 21🇫🇷 FRANCE242♠♣J-2-1
+0.6Round 13🇺🇸 USA1145♥♠Q=-10
+0.5Round 12🇮🇱 ISRAEL312♠♦10+3+6
+0.5Round 20🇷🇪 REUNION43NT♦3+2+13
+0.4Round 1🇹🇼 CHINESE TAIPEI163NT♠10+2-12
+0.3Round 5🇲🇦 MOROCCO14♥♣J+1+11
+0.3Round 13🇺🇸 USA163♥♣7=+0
+0.3Round 21🇫🇷 FRANCE264♠♦A+1+0
+0.3Round 21🇫🇷 FRANCE314♠♣7=-1
+0.3Round 22🇺🇸 USA233♠♦2+1+10
+0.3Round 23🇮🇳 INDIA303NT♦6+1-1
+0.2Round 3🇨🇳 CHINA14♠♣3=+1
+0.2Round 5🇲🇦 MOROCCO64♠♣8+1-11
+0.2Round 17🇿🇦 SOUTH AFRICA85♣♥A-2-1
+0.2Round 18🇸🇪 SWEDEN283NT♠6+1-1
+0.1Round 12🇮🇱 ISRAEL243♠♥4-2-1
+0.1Round 21🇫🇷 FRANCE224♦♠6=-10
-0.0Round 1🇹🇼 CHINESE TAIPEI56♠x♦K-2-5
+0.0Round 1🇹🇼 CHINESE TAIPEI122♣♦K-2+1
+0.0Round 8🇨🇦 CANADA311♣♥4=-1
+0.0Round 13🇺🇸 USA1123NT♣4+1+0
-0.0Round 17🇿🇦 SOUTH AFRICA92♥♦K-2-1
-0.1Round 3🇨🇳 CHINA124♥♠10=+0
-0.1Round 6🇵🇰 PAKISTAN193NT♣4+3+10
-0.1Round 13🇺🇸 USA1103NT♥5=+0
-0.1Round 15🇨🇴 COLOMBIA24♠♠3+1+0
-0.2Round 5🇲🇦 MOROCCO74♥♥5+1+0
-0.2Round 10🇬🇵 GUADELOUPE234♥♦J=+3
-0.2Round 15🇨🇴 COLOMBIA151NT♥5+1+0
-0.2Round 22🇺🇸 USA2105♦♥2=+0
-0.3Round 1🇹🇼 CHINESE TAIPEI86♥♣9+1-11
-0.3Round 6🇵🇰 PAKISTAN323NT♥6+2+11
-0.3Round 13🇺🇸 USA193♣♥K-1+6
-0.3Round 18🇸🇪 SWEDEN204♠♠10+1+0
-0.4Round 6🇵🇰 PAKISTAN173NT♣J+1+1
-0.4Round 12🇮🇱 ISRAEL252♦♥Q+1+0
-0.4Round 22🇺🇸 USA271NT♣K-2-2
-0.4Round 23🇮🇳 INDIA243♦♣A-1-2
-0.5Round 1🇹🇼 CHINESE TAIPEI132NT♠7-1+5
-0.5Round 6🇵🇰 PAKISTAN202♠♦5-2+9
-0.5Round 13🇺🇸 USA143NT♠3=+0
-0.6Round 17🇿🇦 SOUTH AFRICA12♠♥A=+0
-0.6Round 18🇸🇪 SWEDEN313NT♠Q=-1
-0.7Round 1🇹🇼 CHINESE TAIPEI103NT♥J+1+0
-0.7Round 8🇨🇦 CANADA181♠♥2+1+0
-0.7Round 9🇳🇴 NORWAY45♣♠A-2-2
-0.7Round 18🇸🇪 SWEDEN213NT♣J+2+0
-0.8Round 5🇲🇦 MOROCCO132♣♠8+2+0
-0.9Round 21🇫🇷 FRANCE192♥♣A+3+6
-0.9Round 22🇺🇸 USA2133♦♠A+1+0
-1.0Round 6🇵🇰 PAKISTAN265♦♠J=+0
-1.0Round 20🇷🇪 REUNION133NT♠8+1+0
-1.1Round 9🇳🇴 NORWAY71NT♣7-1+0
-1.1Round 9🇳🇴 NORWAY143NT♠10-1-5
-1.1Round 10🇬🇵 GUADELOUPE251NT♥J=+0
-1.2Round 10🇬🇵 GUADELOUPE204♥♣A+2-13
-1.2Round 12🇮🇱 ISRAEL214♠♥4+1+0
-1.2Round 18🇸🇪 SWEDEN193NT♣2=+0
-1.3Round 5🇲🇦 MOROCCO123NT♥2=+0
-1.3Round 13🇺🇸 USA112NT♦6=-5
-1.3Round 22🇺🇸 USA244♥♣K+1+0
-1.4Round 6🇵🇰 PAKISTAN274♥♦J+1+0
-1.4Round 12🇮🇱 ISRAEL174♠♥J+1+0
-1.4Round 15🇨🇴 COLOMBIA93♥♠Q-1+6
-1.4Round 18🇸🇪 SWEDEN231NT♦Q-1-5
-1.5Round 8🇨🇦 CANADA281♥♦A+3-1
-1.5Round 9🇳🇴 NORWAY124♥♠3-3+7
-1.5Round 13🇺🇸 USA1113♦♦10=+0
-1.5Round 15🇨🇴 COLOMBIA13♠♣J-2+0
-1.6Round 8🇨🇦 CANADA214♥♠A-1+1
-1.6Round 17🇿🇦 SOUTH AFRICA66♥♠5+1-13
-1.7Round 17🇿🇦 SOUTH AFRICA115♣♠10=+2
-1.8Round 3🇨🇳 CHINA32♠♦5=+0
-1.8Round 13🇺🇸 USA1132♥♣7+2-1
-1.8Round 18🇸🇪 SWEDEN172♥♠A+1+0
-1.9Round 3🇨🇳 CHINA43♠♦A=+0
-1.9Round 20🇷🇪 REUNION54♥♠2-1-10
-2.0Round 12🇮🇱 ISRAEL181NT♠4=-5
-2.0Round 13🇺🇸 USA133NT♥5+3+13
-2.1Round 6🇵🇰 PAKISTAN243NT♠A+1+0
-2.1Round 18🇸🇪 SWEDEN323♣♥9=+7
-2.2Round 8🇨🇦 CANADA272♠♣A-3-1
-2.2Round 20🇷🇪 REUNION14♥♦Q=-8
-2.2Round 23🇮🇳 INDIA314♥♥J+2-11
-2.3Round 3🇨🇳 CHINA141NT♠K+2+0
-2.3Round 5🇲🇦 MOROCCO84♥♠8-4-2
-2.3Round 18🇸🇪 SWEDEN302♠♥6+1-1
-2.3Round 21🇫🇷 FRANCE274♠♥A=+0
-2.4Round 5🇲🇦 MOROCCO93NT♥7+3-1
-2.5Round 3🇨🇳 CHINA93NT♣5=-13
-2.5Round 12🇮🇱 ISRAEL303NTx♥K-1+0
-2.6Round 12🇮🇱 ISRAEL223NT♣6-1-5
-2.6Round 15🇨🇴 COLOMBIA42♠♥K-2+9
-2.6Round 17🇿🇦 SOUTH AFRICA124♠♦2+1+0
-2.6Round 22🇺🇸 USA285♣♠4-2-6
-2.7Round 17🇿🇦 SOUTH AFRICA44♠♥5=+0
-2.8Round 3🇨🇳 CHINA84♥x♦10=+9
-2.8Round 9🇳🇴 NORWAY34♥♣A-1+0
-2.8Round 12🇮🇱 ISRAEL262♠♥A=+0
-2.8Round 15🇨🇴 COLOMBIA143♠♥K=+0
-3.0Round 5🇲🇦 MOROCCO111NT♦Q=+2
-3.1Round 15🇨🇴 COLOMBIA82♠♣5+1+0
-3.2Round 1🇹🇼 CHINESE TAIPEI143NT♥2=-7
-3.2Round 18🇸🇪 SWEDEN273NT♠4-1-10
-3.2Round 22🇺🇸 USA2155♦♣K+1+11
-3.3Round 1🇹🇼 CHINESE TAIPEI114♥♦10=+0
-3.3Round 20🇷🇪 REUNION112♠♣A+1-6
-3.4Round 3🇨🇳 CHINA151NT♠J+2+0
-3.6Round 9🇳🇴 NORWAY163♠♣Q-2-6
-3.6Round 17🇿🇦 SOUTH AFRICA74♠♥A-3-4
-3.7Round 3🇨🇳 CHINA113♣♠10+2-6
-3.7Round 23🇮🇳 INDIA323♠♥4+2+6
-3.9Round 1🇹🇼 CHINESE TAIPEI32♣♥A-2-7
-4.0Round 18🇸🇪 SWEDEN223NT♦J-2-13
-4.2Round 22🇺🇸 USA212♥♠5+1-1
-4.3Round 1🇹🇼 CHINESE TAIPEI63♣♥10+2-4
-4.3Round 1🇹🇼 CHINESE TAIPEI74♥♣A+1-10
-4.3Round 20🇷🇪 REUNION61♥♣9+2-6
-4.3Round 21🇫🇷 FRANCE254♥♦2-1-12
-4.5Round 1🇹🇼 CHINESE TAIPEI92NT♠4=+0
-4.5Round 9🇳🇴 NORWAY133NT♣6+1+0
-4.6Round 20🇷🇪 REUNION84♥♠5=-8
-4.6Round 21🇫🇷 FRANCE303♠♥4=-1
-4.8Round 23🇮🇳 INDIA294♠♥Q+2-13
-4.9Round 3🇨🇳 CHINA133♠♣10-2-3
-5.0Round 9🇳🇴 NORWAY23♠♣2+1-10
-5.0Round 18🇸🇪 SWEDEN243♠♥6-2-5
-5.3Round 3🇨🇳 CHINA24♠♣10=-3
-5.3Round 21🇫🇷 FRANCE204♠♦4=+0
-5.3Round 22🇺🇸 USA2123NT♠2-1-12
-5.7Round 15🇨🇴 COLOMBIA113NT♠3-1-5
-5.8Round 20🇷🇪 REUNION142♥♣A+1-11
-5.9Round 15🇨🇴 COLOMBIA32♥♠A-1+3
-6.4Round 8🇨🇦 CANADA294♠♣J-1-6
-6.5Round 8🇨🇦 CANADA266♦♠2+1-13
-6.7Round 13🇺🇸 USA174♠♣K-1-12
-7.0Round 5🇲🇦 MOROCCO23NT♥7=-11
-7.0Round 13🇺🇸 USA1156♣x♠A=-11
-7.2Round 10🇬🇵 GUADELOUPE324♠♥K=+0
-7.2Round 20🇷🇪 REUNION122♦♣A+2-11
-7.7Round 21🇫🇷 FRANCE294♠♦3=-10
-7.9Round 9🇳🇴 NORWAY116♣♠K-1-11
-8.2Round 8🇨🇦 CANADA244♠♣Q-1-10
-8.3Round 22🇺🇸 USA226♥♠A=+0
-8.4Round 6🇵🇰 PAKISTAN312♠x♦J-3+3
-8.4Round 8🇨🇦 CANADA304♠♥A=-8
-8.7Round 3🇨🇳 CHINA53NT♦6+3-14
-8.7Round 22🇺🇸 USA2146♣♥Q=+2
-9.0Round 23🇮🇳 INDIA264♥x♦9=-11
-9.1Round 6🇵🇰 PAKISTAN186NT♥7-2-11
-9.5Round 13🇺🇸 USA1163NT♥6-1-10
-9.7Round 6🇵🇰 PAKISTAN284♥♠3-2-11
-10.1Round 10🇬🇵 GUADELOUPE213NT♠2=-11
-10.6Round 22🇺🇸 USA263NT♦8-2-14
-10.9Round 23🇮🇳 INDIA192♦♣6+2-11
-11.0Round 20🇷🇪 REUNION93NT♣6-2-13
-17.6Round 12🇮🇱 ISRAEL286♠x♣Q-5-17