🇭🇰 YIU Wai-Sing · CHINA HONG KONG

104rank
-225.8Butler · 176 bds
-1.28per board
±5.6swing
-1.41vs par /bd · #99/101
-1.16adjusted /bd
Butler per round: -20 -34.8 12.9 -55 10.5 -12.5 -9.4 -3.4 -68.8 -30.4 -14.9by round

vs par split: bidding -0.81 · play -0.63

Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted -1.16/bd

Card play — on target: opening leads 75.8% #78 of 101 · declarer play 74.1% #54 of 101 · defence 84.8% #66 of 101

Card play by contract type — on target
vs NTvs a suit
Opening leads69.2% (13)80.0% (20)
Declarer play80.0% (15)72.1% (43)
Defence77.8% (18)87.5% (48)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 80.0% (5) · ♦ 66.7% (12) · ♣ 80.0% (10)

vs par by strain: NT -1.11 (45) · a suit -1.55 (130)

vs par by level: part-score -1.62 (61) · game -1.19 (94) · slam -2.05 (20)

By role: declaring -1.26/bd (-2.86 vs par · 110) · defending -1.32/bd (+1.00 vs par · 66)

By vulnerability: vulnerable -1.52/bd (-1.64 vs par · 88) · not vulnerable -1.05/bd (-1.19 vs par · 88)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.LawM.Hitti – S.TraboulsiClosed16-20.0-1.25-1.69
Round 3S.LawG.Helgemo – T.HelnessClosed16-34.8-2.17-1.88
Round 5S.LawN.Al-Turki – N.AlhussainiOpen16+12.9+0.81-0.81
Round 6S.LawZ.Naqi – A.QureshiOpen16-55.0-3.44-1.25
Round 7S.LawA.Jorgensen – B.JonssonClosed16+10.5+0.66+0.62
Round 8S.LawD.Chen – K.FurutaClosed16-12.5-0.78-2.19
Round 10S.LawM.Jellouli – M.LakhdharClosed16-9.4-0.59-0.19
Round 12S.LawK.Rubins – M.LorencsClosed16-3.4-0.21-1.00
Round 14S.LawG.Hampson – E.GrecoClosed16-68.8-4.30-4.62
Round 15S.LawB.Graesli – P.EideClosed16-30.4-1.90-1.88
Round 16S.LawE.Muzzio – M.CrusizioClosed16-14.9-0.93-0.69

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
+15.4Round 16🇦🇷 ARGENTINA304♥x♠8+2+14
+14.9Round 5🇰🇼 KUWAIT156♠x♥K-4+16
+13.5Round 10🇹🇳 TUNISIA236NT♥Q=+8
+12.2Round 12🇱🇻 LATVIA214♠x♠2=+12
+11.9Round 7🇮🇸 ICELAND116♥♦J-1+14
+10.2Round 12🇱🇻 LATVIA265♥x♣3-2+9
+10.2Round 12🇱🇻 LATVIA314♣x♥3-2+9
+8.8Round 1🇱🇧 LEBANON135♣x♠J=+4
+8.8Round 5🇰🇼 KUWAIT146♠♥7=+0
+7.4Round 15🇳🇴 NORWAY163♦♥2=+5
+7.0Round 12🇱🇻 LATVIA225♦x♣A=+6
+6.9Round 10🇹🇳 TUNISIA323NT♣Q=+7
+6.8Round 6🇵🇰 PAKISTAN224NT♠4-2+13
+6.5Round 15🇳🇴 NORWAY113♣♥J-1+10
+6.5Round 16🇦🇷 ARGENTINA204♦♠K=+0
+6.2Round 8🇯🇵 JAPAN284♠♣10+1+11
+6.1Round 16🇦🇷 ARGENTINA263NTx♥J-1+13
+5.9Round 6🇵🇰 PAKISTAN196♦♠K=+0
+5.8Round 5🇰🇼 KUWAIT13NT♥K=+0
+5.5Round 7🇮🇸 ICELAND136♣♣6+1+13
+5.2Round 8🇯🇵 JAPAN213NT♦5=+0
+5.0Round 7🇮🇸 ICELAND72♠♣5=+6
+4.9Round 12🇱🇻 LATVIA252♦♠9=+5
+4.8Round 5🇰🇼 KUWAIT94♠♣10-2+11
+4.4Round 3🇲🇨 MONACO14♠♣K-1+4
+4.1Round 8🇯🇵 JAPAN264♥♠K+1+0
+4.0Round 12🇱🇻 LATVIA194♥♠A+1+4
+3.9Round 1🇱🇧 LEBANON74♥♠Q+1+0
+3.6Round 10🇹🇳 TUNISIA214♠♦Q+1+0
+3.5Round 8🇯🇵 JAPAN295♦♥4=+3
+3.4Round 8🇯🇵 JAPAN233♠♣4=+7
+3.1Round 7🇮🇸 ICELAND43♥♠7-1+0
+2.9Round 6🇵🇰 PAKISTAN204♦♠7=+0
+2.9Round 6🇵🇰 PAKISTAN244♠♥J-1+13
+2.9Round 10🇹🇳 TUNISIA284♦♠A=+0
+2.8Round 1🇱🇧 LEBANON92♠♥A-1+2
+2.6Round 7🇮🇸 ICELAND64♥♠3=+0
+2.2Round 7🇮🇸 ICELAND95♣x♥5-1+6
+2.2Round 10🇹🇳 TUNISIA243NT♠9-2+6
+1.9Round 3🇲🇨 MONACO73NT♠Q=+0
+1.9Round 7🇮🇸 ICELAND22♥♦A+1+6
+1.6Round 15🇳🇴 NORWAY14♠♦10=+0
+1.5Round 7🇮🇸 ICELAND167NT♠3=+0
+1.4Round 3🇲🇨 MONACO54♠♥10=+8
+1.1Round 1🇱🇧 LEBANON111NT♦4+3-6
+1.1Round 1🇱🇧 LEBANON123NT♦5+3+1
+1.1Round 3🇲🇨 MONACO11Pass+3
+1.1Round 5🇰🇼 KUWAIT43♥♦A-1+0
+1.1Round 15🇳🇴 NORWAY85♦♥2+1+0
+0.9Round 5🇰🇼 KUWAIT81♠♣A+1+0
+0.9Round 6🇵🇰 PAKISTAN283♦♣3+1+0
+0.9Round 16🇦🇷 ARGENTINA173NT♣J-2+5
+0.8Round 3🇲🇨 MONACO155♦x♠6-2+0
+0.8Round 7🇮🇸 ICELAND142♠♥2=-1
+0.8Round 10🇹🇳 TUNISIA203NT♠6+2+0
+0.7Round 12🇱🇻 LATVIA304♠♦K+2+14
+0.7Round 14🇺🇸 USA234♥♦5+1+0
+0.6Round 7🇮🇸 ICELAND56♠♣10=+0
+0.6Round 15🇳🇴 NORWAY75♠♥J-2+0
+0.6Round 16🇦🇷 ARGENTINA184♠♥3-2-5
+0.5Round 6🇵🇰 PAKISTAN212♣♠Q-1-1
+0.4Round 1🇱🇧 LEBANON143NT♦J=-1
+0.4Round 3🇲🇨 MONACO101NT♦4-1+0
+0.4Round 10🇹🇳 TUNISIA194♠♠10+1+13
+0.4Round 10🇹🇳 TUNISIA313♦♥A+1+7
+0.2Round 14🇺🇸 USA303♥♦4-1+2
+0.1Round 3🇲🇨 MONACO63NT♠4+1+1
+0.1Round 5🇰🇼 KUWAIT24♥♣Q+1+0
+0.1Round 6🇵🇰 PAKISTAN304♥♦6+1+0
+0.1Round 12🇱🇻 LATVIA241NT♠3+1+0
+0.1Round 16🇦🇷 ARGENTINA253NT♦3=+1
+0.0Round 8🇯🇵 JAPAN174♥♣3+1+0
+0.0Round 8🇯🇵 JAPAN323NT♠Q=-2
+0.0Round 15🇳🇴 NORWAY121NT♥9=+1
-0.1Round 5🇰🇼 KUWAIT73NT♣4+3-13
-0.1Round 8🇯🇵 JAPAN224♥♦5+1+1
-0.1Round 15🇳🇴 NORWAY64♠♣2+2+13
-0.1Round 16🇦🇷 ARGENTINA292♣♠2=-1
-0.2Round 5🇰🇼 KUWAIT33NT♦8+1+0
-0.2Round 5🇰🇼 KUWAIT163♠♦A=+6
-0.2Round 7🇮🇸 ICELAND104♠♥10=-1
-0.2Round 8🇯🇵 JAPAN203NT♦7+1-1
-0.3Round 10🇹🇳 TUNISIA273♥♠3-1-6
-0.3Round 14🇺🇸 USA252♥♣5-1-2
-0.4Round 1🇱🇧 LEBANON82♠♣10-2+0
-0.4Round 8🇯🇵 JAPAN303NT♠2-1-5
-0.5Round 1🇱🇧 LEBANON14♥♦4+1-11
-0.5Round 10🇹🇳 TUNISIA253NT♠2=+0
-0.8Round 3🇲🇨 MONACO166♥♠6=+0
-0.9Round 15🇳🇴 NORWAY135♣♥2=+1
-0.9Round 16🇦🇷 ARGENTINA282♠♣J+1+0
-1.1Round 1🇱🇧 LEBANON152NT♦8-1+4
-1.1Round 5🇰🇼 KUWAIT123♥♠7+1-6
-1.2Round 3🇲🇨 MONACO144♠x♦K-1-5
-1.3Round 1🇱🇧 LEBANON24♦x♣K-3-4
-1.3Round 7🇮🇸 ICELAND152♠x♥10-1-5
-1.3Round 15🇳🇴 NORWAY92♠♥3-1-1
-1.4Round 3🇲🇨 MONACO83♣♣J+2-7
-1.4Round 5🇰🇼 KUWAIT133NT♠J+3-1
-1.4Round 12🇱🇻 LATVIA274♥♦3+1-1
-1.5Round 14🇺🇸 USA314♠♦A=-8
-1.7Round 5🇰🇼 KUWAIT64♠♦J+1+0
-1.9Round 6🇵🇰 PAKISTAN273NT♥5-2+1
-1.9Round 14🇺🇸 USA193♣♠Q-1+5
-1.9Round 16🇦🇷 ARGENTINA324♥♦3=+0
-2.2Round 16🇦🇷 ARGENTINA242♠♥Q+2+6
-2.3Round 8🇯🇵 JAPAN193♦♠6-4-2
-2.4Round 5🇰🇼 KUWAIT53NT♠4-1-5
-2.5Round 1🇱🇧 LEBANON44♥♦8=-3
-2.5Round 14🇺🇸 USA291NT♣6=+1
-2.6Round 7🇮🇸 ICELAND33NT♣5+2+0
-2.6Round 12🇱🇻 LATVIA234♥♣7-1-6
-2.6Round 14🇺🇸 USA282♠♣K=-7
-2.9Round 1🇱🇧 LEBANON162NT♠3-1+2
-3.2Round 14🇺🇸 USA213♠♦Q-1-5
-3.5Round 3🇲🇨 MONACO43♣♦A-2-2
-3.5Round 14🇺🇸 USA243NT♦8+1-1
-3.8Round 6🇵🇰 PAKISTAN183NT♥10-2-7
-3.8Round 10🇹🇳 TUNISIA302♠♣5-1-5
-3.8Round 15🇳🇴 NORWAY43NT♠5-1-6
-3.9Round 12🇱🇻 LATVIA204♠x♥J-1-8
-4.0Round 14🇺🇸 USA276♦♥10=+0
-4.2Round 1🇱🇧 LEBANON53NT♠10-1-6
-4.2Round 8🇯🇵 JAPAN242♦♠Q+1-8
-4.2Round 16🇦🇷 ARGENTINA272♥♠2=-11
-4.4Round 3🇲🇨 MONACO33♠♥K-4-2
-4.5Round 10🇹🇳 TUNISIA175♣x♥A=-4
-4.5Round 16🇦🇷 ARGENTINA233♦♥A-1-6
-4.6Round 10🇹🇳 TUNISIA226♠♥A=+0
-4.8Round 7🇮🇸 ICELAND124♠♦6+1-11
-4.9Round 15🇳🇴 NORWAY36♥♥6-3-11
-5.1Round 10🇹🇳 TUNISIA262♠♦6+3-9
-5.1Round 15🇳🇴 NORWAY143NT♣K-4-7
-5.6Round 8🇯🇵 JAPAN184♠x♣2-2-11
-5.7Round 16🇦🇷 ARGENTINA214♣♦2-4-2
-5.8Round 16🇦🇷 ARGENTINA313NT♦9-2-6
-5.9Round 15🇳🇴 NORWAY56♣x♦4-3-7
-6.1Round 7🇮🇸 ICELAND13♣♥6+1-7
-6.1Round 14🇺🇸 USA226♠♣6-1-6
-6.2Round 6🇵🇰 PAKISTAN173NT♦3+1-1
-6.2Round 8🇯🇵 JAPAN254♥♣8-2-6
-6.3Round 15🇳🇴 NORWAY154♠♣K-2-8
-6.7Round 14🇺🇸 USA203NT♠9-1-12
-6.8Round 1🇱🇧 LEBANON33♦x♣4-2+8
-6.9Round 8🇯🇵 JAPAN314♥x♠3-1-8
-7.1Round 1🇱🇧 LEBANON103♠♣3-3-4
-7.1Round 5🇰🇼 KUWAIT103♦♠7+2-11
-7.3Round 3🇲🇨 MONACO123NT♣5+2-1
-7.3Round 12🇱🇻 LATVIA323♣♣7+1-10
-7.5Round 3🇲🇨 MONACO134♠♦K=-10
-7.5Round 15🇳🇴 NORWAY103♦♦J=-6
-7.8Round 10🇹🇳 TUNISIA185♣x♠K-2-12
-8.0Round 12🇱🇻 LATVIA183NT♠5-2-11
-8.1Round 14🇺🇸 USA173NT♣9-1-10
-8.4Round 12🇱🇻 LATVIA292♠♦J+2-15
-8.6Round 16🇦🇷 ARGENTINA225♦x♥K-2-8
-8.7Round 6🇵🇰 PAKISTAN233NT♥8=+0
-8.8Round 3🇲🇨 MONACO94♠♦10-2-11
-8.8Round 14🇺🇸 USA322♠♥Q+4-9
-9.0Round 8🇯🇵 JAPAN276♦♣5-1-14
-9.3Round 5🇰🇼 KUWAIT114♠♥2-1-10
-9.4Round 6🇵🇰 PAKISTAN296♦♣4+1+1
-9.5Round 6🇵🇰 PAKISTAN324♠x♥A-5-10
-9.6Round 7🇮🇸 ICELAND84♠x♥A=-10
-9.6Round 14🇺🇸 USA184♠♣2-1-10
-9.8Round 12🇱🇻 LATVIA177♥x♦5-3-13
-10.0Round 3🇲🇨 MONACO21♥x♣J-2-8
-10.0Round 6🇵🇰 PAKISTAN256♥♠A-1-11
-10.1Round 6🇵🇰 PAKISTAN264♥♠Q=+0
-10.6Round 16🇦🇷 ARGENTINA192♦x♥9-2-11
-10.9Round 14🇺🇸 USA264NTx♦10=-12
-11.3Round 1🇱🇧 LEBANON66♠♣7=-13
-11.3Round 12🇱🇻 LATVIA283♦x♣2=-11
-11.8Round 15🇳🇴 NORWAY25♣♠9-3-14
-13.5Round 10🇹🇳 TUNISIA295♠x♠3=-8
-15.4Round 6🇵🇰 PAKISTAN317♥♠2-1-18