🇭🇰 LING Roger · CHINA HONG KONG

50rank
+46.8Butler · 208 bds
+0.23per board
±4.2swing
-0.24vs par /bd · #80/129
+0.06adjusted /bd
Butler per round: 10.8 3.2 -36.1 -15.7 -12 23.4 20.5 0.7 9.7 -6.9 32.4 21 -4.2by round

vs par split: bidding -0.37 · play +0.13

Strength of schedule: opponents averaged -0.16/bd (an easy draw) → opponent-adjusted +0.06/bd

Card play — on target: opening leads 86.4% #32 of 129 · declarer play 69.8% #89 of 129 · defence 89.5% #32 of 129

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (20)92.3% (39)
Declarer play55.0% (20)76.7% (43)
Defence86.5% (37)91.2% (68)

Opening leads by suit led: ♠ 76.2% (21) · ♥ 90.9% (11) · ♦ 92.3% (13) · ♣ 92.9% (14)

vs par by strain: NT -0.37 (68) · a suit -0.17 (140)

vs par by level: part-score +0.80 (71) · game -0.19 (120) · slam -4.88 (17)

By role: declaring +0.39/bd (-2.74 vs par · 103) · defending +0.07/bd (+2.22 vs par · 105)

By vulnerability: vulnerable +0.24/bd (-0.06 vs par · 104) · not vulnerable +0.21/bd (-0.41 vs par · 104)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2E.TseS.Aranha – E.BarcellosClosed16+10.8+0.68-1.12
Round 3E.TseR.Marsal – U.WenningClosed16+3.2+0.20+1.94
Round 5E.TseG.Polet – A.KaplanClosed16-36.1-2.26-4.88
Round 8E.TseT.Imakura – S.MorimuraClosed16-15.7-0.98-2.06
Round 9E.TseH.Lasut – E.ManoppoOpen16-12.0-0.75-2.00
Round 10E.TseS.Ahmed – M.IspahaniClosed16+23.4+1.46+3.38
Round 11E.TseV.Bloom – A.NestoridisOpen16+20.5+1.28-0.62
Round 13E.TseM.Passell – C.LynchClosed16+0.7+0.04+1.00
Round 15E.TseL.Samie – M.KhedrClosed16+9.7+0.61-1.06
Round 17E.TseJ.Shih – H.LaiClosed16-6.9-0.43-1.62
Round 18E.TseC.Ackerley – D.RussellOpen16+32.4+2.02+3.62
Round 20E.TseA.Tracol – M.AragonesClosed16+21.0+1.31+0.62
Round 21E.TseC.Niemeijer – S.VerheesClosed16-4.2-0.26-0.25

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
+12.4Round 10🇧🇩 BANGLADESH234♥x♦K-2+15
+10.6Round 2🇧🇷 BRAZIL226♠♦A+1-13
+9.6Round 20🇬🇵 GUADELOUPE313♦♠4-1+10
+9.4Round 11🇿🇦 SOUTH AFRICA146♥♦4=-11
+9.3Round 17🇹🇼 CHINESE TAIPEI93NT♦Q=+0
+8.8Round 5🇧🇪 BELGIUM146♥♦A-1+4
+8.6Round 18🇳🇿 NEW ZEALAND183NT♠3-1+12
+8.4Round 10🇧🇩 BANGLADESH213NT♥5-1+15
+8.3Round 20🇬🇵 GUADELOUPE203NT♣A-1+12
+7.5Round 18🇳🇿 NEW ZEALAND304♥♣5=+1
+7.2Round 2🇧🇷 BRAZIL246♥♥3=+0
+7.0Round 3🇩🇪 GERMANY44♠♦2=+10
+7.0Round 15🇪🇬 EGYPT106♠♦2=+0
+6.7Round 2🇧🇷 BRAZIL233♠♥2=+12
+6.5Round 21🇳🇱 NETHERLANDS25♣x♠5=+8
+6.3Round 13🇺🇸 USA214♥♣A-1+10
+6.0Round 21🇳🇱 NETHERLANDS13NT♦5=-1
+5.9Round 9🇮🇩 INDONESIA164♠♦10-2+11
+5.9Round 18🇳🇿 NEW ZEALAND245♣x♦2=+10
+5.7Round 17🇹🇼 CHINESE TAIPEI43♥♠5+1+10
+5.7Round 21🇳🇱 NETHERLANDS44♥♦7=+0
+5.5Round 18🇳🇿 NEW ZEALAND263NT♦4-1+6
+5.2Round 20🇬🇵 GUADELOUPE254♥♠3=+0
+5.0Round 15🇪🇬 EGYPT62♦♠8-2+7
+5.0Round 18🇳🇿 NEW ZEALAND232♥♣K+1+7
+4.9Round 20🇬🇵 GUADELOUPE234♠♦K-2+2
+4.8Round 3🇩🇪 GERMANY153NT♠3-2+8
+4.7Round 5🇧🇪 BELGIUM63♠♥10=+0
+4.7Round 8🇯🇵 JAPAN194♦♠10-1+4
+4.7Round 9🇮🇩 INDONESIA64♠♥A+1+8
+4.5Round 3🇩🇪 GERMANY86NT♦5-1+14
+4.5Round 10🇧🇩 BANGLADESH183♣♥Q=+12
+4.2Round 3🇩🇪 GERMANY64♥♣K-1+10
+4.1Round 2🇧🇷 BRAZIL254♠♣Q-1+5
+3.9Round 9🇮🇩 INDONESIA92NT♠2=+1
+3.7Round 10🇧🇩 BANGLADESH263♦♠K-3+4
+3.7Round 21🇳🇱 NETHERLANDS34♠♥3-2-1
+3.7Round 21🇳🇱 NETHERLANDS103NT♦9+2+0
+3.5Round 18🇳🇿 NEW ZEALAND252♣♥A=+6
+3.3Round 5🇧🇪 BELGIUM32♠♣Q+2-1
+3.3Round 15🇪🇬 EGYPT154♠♠10=+0
+3.2Round 11🇿🇦 SOUTH AFRICA32♠♦K=+0
+3.2Round 11🇿🇦 SOUTH AFRICA114♠♦A-2+6
+3.0Round 20🇬🇵 GUADELOUPE272♠♥Q-1+10
+2.9Round 2🇧🇷 BRAZIL204♠♣10+1+0
+2.9Round 20🇬🇵 GUADELOUPE173♦♠J=+7
+2.8Round 17🇹🇼 CHINESE TAIPEI163NT♠4+1+1
+2.7Round 13🇺🇸 USA285♣x♥Q-4+12
+2.7Round 15🇪🇬 EGYPT13♥♣5=+7
+2.7Round 15🇪🇬 EGYPT24♠x♦5-2+0
+2.7Round 21🇳🇱 NETHERLANDS63NT♥3-1+5
+2.6Round 13🇺🇸 USA2124♦♠A=+6
+2.5Round 13🇺🇸 USA2164♥♦3=+8
+2.4Round 9🇮🇩 INDONESIA114♠♣K=-1
+2.4Round 11🇿🇦 SOUTH AFRICA162♥♥5+1+2
+2.3Round 8🇯🇵 JAPAN224♥♦5-1+6
+2.3Round 15🇪🇬 EGYPT142♥♣5-2+0
+2.2Round 11🇿🇦 SOUTH AFRICA123♥♦8=+0
+2.1Round 13🇺🇸 USA2144♠♦A+2+11
+2.1Round 17🇹🇼 CHINESE TAIPEI145♥x♠K-2-4
+2.0Round 9🇮🇩 INDONESIA34♥♥5-1+5
+2.0Round 15🇪🇬 EGYPT126♠♦A-2-11
+2.0Round 15🇪🇬 EGYPT161NT♠6-2+1
+2.0Round 17🇹🇼 CHINESE TAIPEI154♠♠4=+0
+2.0Round 20🇬🇵 GUADELOUPE304♠♣10+2+2
+1.9Round 2🇧🇷 BRAZIL274♥♠4+2+1
+1.9Round 11🇿🇦 SOUTH AFRICA133♠♥A=+8
+1.8Round 2🇧🇷 BRAZIL183NT♥3+2+2
+1.8Round 10🇧🇩 BANGLADESH192♥♠Q+1+0
+1.8Round 10🇧🇩 BANGLADESH273♠♣Q-2+0
+1.8Round 15🇪🇬 EGYPT83NT♠2+2+1
+1.7Round 11🇿🇦 SOUTH AFRICA27♥♦A=+0
+1.6Round 20🇬🇵 GUADELOUPE222♦♥K+4+1
+1.5Round 3🇩🇪 GERMANY102♠♣5+1+10
+1.5Round 8🇯🇵 JAPAN284♠♦4=+1
+1.5Round 11🇿🇦 SOUTH AFRICA62♠♣5-3+1
+1.4Round 3🇩🇪 GERMANY124♥♣K=+0
+1.4Round 8🇯🇵 JAPAN242NT♦K=+7
+1.4Round 17🇹🇼 CHINESE TAIPEI124♠♦J+1+0
+1.3Round 2🇧🇷 BRAZIL292♥♠5+1+10
+1.3Round 10🇧🇩 BANGLADESH224♠♥K-1+10
+1.2Round 8🇯🇵 JAPAN174♥♣A-2+5
+1.2Round 18🇳🇿 NEW ZEALAND294♥♦3+1+0
+1.1Round 9🇮🇩 INDONESIA12♥♠4+1-7
+1.1Round 11🇿🇦 SOUTH AFRICA102NT♠3+2-10
+1.0Round 5🇧🇪 BELGIUM103NT♦4=-1
+1.0Round 18🇳🇿 NEW ZEALAND316♦♦2+1-11
+0.9Round 3🇩🇪 GERMANY51♠♥Q-1+0
+0.9Round 10🇧🇩 BANGLADESH301NT♥7=+0
+0.9Round 18🇳🇿 NEW ZEALAND203NT♦3+2+0
+0.8Round 3🇩🇪 GERMANY114♥♣8=+1
+0.8Round 10🇧🇩 BANGLADESH201♠♦10+1+0
+0.8Round 11🇿🇦 SOUTH AFRICA53NT♦Q=-1
+0.7Round 9🇮🇩 INDONESIA154♠♥2=-11
+0.7Round 20🇬🇵 GUADELOUPE264♥♦2=+1
+0.6Round 8🇯🇵 JAPAN264♠♣5+2-13
+0.6Round 11🇿🇦 SOUTH AFRICA42♥♣Q=-1
+0.6Round 18🇳🇿 NEW ZEALAND192♥x♣A-2+10
+0.5Round 5🇧🇪 BELGIUM93♦♦8=+0
+0.4Round 9🇮🇩 INDONESIA123NT♠8+2+0
+0.3Round 13🇺🇸 USA254♥♠Q=+0
+0.2Round 2🇧🇷 BRAZIL302♠♠Q=+7
+0.2Round 8🇯🇵 JAPAN254♠♦5=+1
+0.2Round 9🇮🇩 INDONESIA43NT♠5+1+0
+0.2Round 10🇧🇩 BANGLADESH313NT♦5+1+1
+0.1Round 10🇧🇩 BANGLADESH323NT♠3+1+1
-0.0Round 9🇮🇩 INDONESIA73NT♠2+2+0
-0.0Round 10🇧🇩 BANGLADESH294♥♣4+1+0
-0.0Round 13🇺🇸 USA2115♥♠A+1-11
-0.0Round 13🇺🇸 USA2154♠♣A-1+6
-0.0Round 17🇹🇼 CHINESE TAIPEI71NT♠3=+5
-0.0Round 21🇳🇱 NETHERLANDS52♠♥Q+1+10
-0.0Round 21🇳🇱 NETHERLANDS164♥♠K+1+10
-0.1Round 2🇧🇷 BRAZIL173NT♣3+1+0
-0.2Round 13🇺🇸 USA291NT♠2-1-3
-0.3Round 2🇧🇷 BRAZIL324♠♦9+1+0
-0.3Round 5🇧🇪 BELGIUM24♥♣3=+1
-0.3Round 5🇧🇪 BELGIUM54♥♦10+1-6
-0.3Round 8🇯🇵 JAPAN322♦♠5+1-11
-0.3Round 18🇳🇿 NEW ZEALAND322♥♠A=+7
-0.4Round 3🇩🇪 GERMANY13♥♥3=+1
-0.4Round 18🇳🇿 NEW ZEALAND215♥♠K=+0
-0.4Round 21🇳🇱 NETHERLANDS153NT♦7+1-1
-0.5Round 3🇩🇪 GERMANY73NT♥6+1-1
-0.5Round 13🇺🇸 USA274♠♦8+1+0
-0.6Round 15🇪🇬 EGYPT134♥♥10+1+0
-0.6Round 18🇳🇿 NEW ZEALAND171NT♥9+2+6
-0.7Round 21🇳🇱 NETHERLANDS84♥♠K+1+0
-0.8Round 3🇩🇪 GERMANY93NT♥8+2-13
-0.8Round 11🇿🇦 SOUTH AFRICA81NT♠8+2+6
-0.8Round 20🇬🇵 GUADELOUPE242♥♣2-2-1
-0.8Round 20🇬🇵 GUADELOUPE293NT♠4+1-1
-0.9Round 5🇧🇪 BELGIUM163NT♠3-1-10
-1.0Round 13🇺🇸 USA223NT♠3+2-1
-1.0Round 13🇺🇸 USA2104♠♥A+1-4
-1.1Round 2🇧🇷 BRAZIL213NT♥7-1-4
-1.1Round 5🇧🇪 BELGIUM134♣♠K+1-10
-1.1Round 17🇹🇼 CHINESE TAIPEI23♣♣J=-7
-1.2Round 3🇩🇪 GERMANY134♠♥10+1+0
-1.2Round 8🇯🇵 JAPAN312♠♣K+1+0
-1.2Round 10🇧🇩 BANGLADESH252♥♣4+1+0
-1.2Round 11🇿🇦 SOUTH AFRICA153NT♦10-1-10
-1.3Round 2🇧🇷 BRAZIL282♠♣3-2+1
-1.3Round 15🇪🇬 EGYPT44♠♣3+1-4
-1.4Round 3🇩🇪 GERMANY145♦♠2+1-11
-1.4Round 11🇿🇦 SOUTH AFRICA14♠♣A+1+0
-1.5Round 21🇳🇱 NETHERLANDS71NT♥9+1-1
-1.6Round 11🇿🇦 SOUTH AFRICA94NT♣J+1+0
-1.6Round 18🇳🇿 NEW ZEALAND283NT♥2-1-5
-1.7Round 5🇧🇪 BELGIUM113NT♥6+1-1
-1.8Round 8🇯🇵 JAPAN233NT♠6+1-11
-1.8Round 8🇯🇵 JAPAN275♦♥4=-11
-1.8Round 17🇹🇼 CHINESE TAIPEI13NT♠4+1+1
-1.9Round 3🇩🇪 GERMANY163NT♠2+3+11
-1.9Round 10🇧🇩 BANGLADESH286NT♣9+1+13
-1.9Round 17🇹🇼 CHINESE TAIPEI54♠♠J=-1
-2.0Round 13🇺🇸 USA261NT♠5-2-3
-2.0Round 17🇹🇼 CHINESE TAIPEI84♥♠Q-2-6
-2.1Round 18🇳🇿 NEW ZEALAND273NT♥Q+4+14
-2.2Round 20🇬🇵 GUADELOUPE193♠♦2-2+0
-2.3Round 9🇮🇩 INDONESIA103NT♦3+1+0
-2.3Round 17🇹🇼 CHINESE TAIPEI104♠♦K-1-6
-2.3Round 18🇳🇿 NEW ZEALAND224♠♣K-1-5
-2.3Round 20🇬🇵 GUADELOUPE284♥♣A+2-12
-2.5Round 11🇿🇦 SOUTH AFRICA72♥♠9+1+0
-2.6Round 15🇪🇬 EGYPT114♥♦8-1-10
-2.7Round 15🇪🇬 EGYPT32♠♦9-1-7
-2.8Round 13🇺🇸 USA2134♠♣8-1+1
-2.8Round 21🇳🇱 NETHERLANDS93NT♠4+2+0
-3.0Round 15🇪🇬 EGYPT73NT♥5+1+0
-3.1Round 8🇯🇵 JAPAN203♥♥3-1+1
-3.1Round 9🇮🇩 INDONESIA53NT♥6-1-5
-3.1Round 17🇹🇼 CHINESE TAIPEI32NT♠5=+1
-3.4Round 5🇧🇪 BELGIUM82♠♣5=-5
-3.4Round 5🇧🇪 BELGIUM152♥♠K-1-2
-3.4Round 20🇬🇵 GUADELOUPE322♥♦K-1-4
-3.6Round 10🇧🇩 BANGLADESH242♠♦4=-6
-3.7Round 20🇬🇵 GUADELOUPE213NT♠5-1-5
-3.8Round 17🇹🇼 CHINESE TAIPEI112NT♥Q-4-7
-4.0Round 8🇯🇵 JAPAN212♥♣3-1-4
-4.0Round 13🇺🇸 USA234♠♦9-2-8
-4.0Round 15🇪🇬 EGYPT93NT♣J+3-1
-4.0Round 20🇬🇵 GUADELOUPE183♠♥2-1-12
-4.2Round 8🇯🇵 JAPAN292♠♣J=-6
-4.2Round 8🇯🇵 JAPAN303NT♦K+2-2
-4.3Round 13🇺🇸 USA245♣♠9-2-8
-4.4Round 9🇮🇩 INDONESIA143NT♠A=-12
-4.5Round 17🇹🇼 CHINESE TAIPEI133NT♥2+1-1
-4.7Round 9🇮🇩 INDONESIA81NTxx♥3-1-7
-4.9Round 15🇪🇬 EGYPT52NT♦J=+0
-5.4Round 21🇳🇱 NETHERLANDS124♠♦A-1-10
-5.4Round 21🇳🇱 NETHERLANDS143NT♥10-2-9
-5.8Round 10🇧🇩 BANGLADESH172♠♣6=-11
-6.2Round 5🇧🇪 BELGIUM123♥♠Q+2-15
-6.5Round 2🇧🇷 BRAZIL193NT♣3-2-12
-6.5Round 3🇩🇪 GERMANY36♣♠K=+2
-7.0Round 8🇯🇵 JAPAN184♥♦6=+0
-7.3Round 21🇳🇱 NETHERLANDS133NT♠3+1+0
-7.4Round 2🇧🇷 BRAZIL317♣♥10-1-17
-8.8Round 9🇮🇩 INDONESIA136♣x♦A-1-7
-9.0Round 5🇧🇪 BELGIUM16♠♣K-1-14
-9.0Round 21🇳🇱 NETHERLANDS116♠♥5-2-14
-9.2Round 2🇧🇷 BRAZIL264♠♣3-2-10
-9.2Round 3🇩🇪 GERMANY23NT♠5=-11
-9.7Round 17🇹🇼 CHINESE TAIPEI64NT♠3+3-12
-10.0Round 9🇮🇩 INDONESIA23NT♠7=-7
-12.3Round 5🇧🇪 BELGIUM46♣♠6+1-1
-15.8Round 5🇧🇪 BELGIUM77♥♠2-2-17