🏴󠁧󠁢󠁥󠁮󠁧󠁿 REN Siyu · ENGLAND

53rank
-28.0Butler · 140 bds
-0.20per board
±5.1swing
-0.08vs par /bd · #47/78
-0.22adjusted /bd
Butler per round: 30.4 11.8 9.4 0.1 -5.3 -20.7 -6 25.5 -32.6 -40.6by round

vs par split: bidding +0.11 · play -0.17

Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted -0.22/bd

Card play — on target: opening leads 73.8% #58 of 78 · declarer play 69.4% #48 of 78 · defence 81.4% #47 of 78

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (9)66.7% (33)
Declarer play54.5% (11)76.0% (25)
Defence73.7% (19)84.3% (51)

Opening leads by suit led: ♠ 91.7% (12) · ♥ 75.0% (8) · ♦ 62.5% (8) · ♣ 64.3% (14)

vs par by strain: NT -1.66 (38) · a suit +0.55 (101)

vs par by level: part-score -0.69 (52) · game +0.78 (78) · slam -3.67 (9)

By role: declaring -0.37/bd (-2.53 vs par · 70) · defending -0.03/bd (+2.37 vs par · 70)

By vulnerability: vulnerable -0.56/bd (-0.26 vs par · 70) · not vulnerable +0.16/bd (+0.10 vs par · 70)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2L.CovillM.Triana – F.MartantiOpen14+30.4+2.17+2.36
Round 3L.CovillY.Huang – W.YuClosed14+11.8+0.84+2.00
Round 4L.CovillA.Lin – L.MaOpen14+9.4+0.67+0.79
Round 6L.CovillI.Oeberg – T.IndreboOpen14+0.1+0.01-0.43
Round 7L.CovillH.Lajos – V.SzucsClosed14-5.3-0.38-2.86
Round 10L.CovillX.Fang – K.HuiClosed14-20.7-1.48+2.36
Round 12L.CovillZ.Baldysz – J.ZalewskaOpen14-6.0-0.43-0.14
Round 13L.CovillE.Gurer – S.AkdasClosed14+25.5+1.82+0.07
Round 14L.CovillE.Jounin – A.LeleuOpen14-32.6-2.33-1.93
Round 15L.CovillF.Nacrur – F.VillegasClosed14-40.6-2.90-3.00

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
+16.2Round 2🇮🇩 INDONESIA64♥x♣9-6+15
+12.9Round 6🇳🇴 NORWAY63♦x♠10-3+12
+12.7Round 4🇺🇸 USA84♠♥8+1+11
+10.2Round 13🇹🇷 TURKEY72♠♦K-2+13
+10.1Round 2🇮🇩 INDONESIA94♠♠5-2+13
+9.3Round 7🇭🇺 HUNGARY56♠♥K=+0
+9.0Round 12🇵🇱 POLAND64♥♣2+2+13
+8.5Round 13🇹🇷 TURKEY136♠♣3-2+13
+8.1Round 3🇹🇼 CHINESE TAIPEI84♥♣6=+3
+8.1Round 6🇳🇴 NORWAY14♥♠3=+3
+7.6Round 14🇫🇷 FRANCE93♣♠J-2+13
+7.6Round 15🇨🇱 CHILE24♥♦6+2+11
+7.1Round 2🇮🇩 INDONESIA104♥♣3-1+6
+7.1Round 3🇹🇼 CHINESE TAIPEI55♥x♦2-2+11
+6.9Round 4🇺🇸 USA33NT♥3=+0
+6.2Round 13🇹🇷 TURKEY104♥♠K=+0
+5.9Round 13🇹🇷 TURKEY114♥x♣J-2+5
+5.7Round 15🇨🇱 CHILE73♦♥4+1+0
+5.5Round 2🇮🇩 INDONESIA24♥♦Q+1+0
+5.1Round 12🇵🇱 POLAND84♦x♠A-3+1
+5.0Round 4🇺🇸 USA44♠♥A+1+10
+4.7Round 13🇹🇷 TURKEY83NT♠3-1+4
+4.3Round 10🇭🇰 CHINA HONG KONG73♠x♦8-1+3
+4.1Round 7🇭🇺 HUNGARY92♠♥J=+12
+4.0Round 3🇹🇼 CHINESE TAIPEI33NT♣4+3-14
+4.0Round 10🇭🇰 CHINA HONG KONG63NT♠4-2+5
+3.8Round 2🇮🇩 INDONESIA74♠♣K-1+12
+3.6Round 10🇭🇰 CHINA HONG KONG134NT♠7+2+13
+3.5Round 14🇫🇷 FRANCE74♥♣3-1+12
+3.3Round 13🇹🇷 TURKEY43NT♥10+1-1
+3.0Round 3🇹🇼 CHINESE TAIPEI112♠♥3+1+0
+2.8Round 3🇹🇼 CHINESE TAIPEI103NT♦2+2+2
+2.7Round 7🇭🇺 HUNGARY122NT♦Q-2+0
+2.5Round 2🇮🇩 INDONESIA111♠♥10-2+5
+2.5Round 2🇮🇩 INDONESIA134♥♠K-2+8
+2.5Round 7🇭🇺 HUNGARY114♥♣4+1+0
+2.5Round 10🇭🇰 CHINA HONG KONG124♠♣8+2-11
+2.4Round 13🇹🇷 TURKEY94♥♠J=+0
+2.3Round 6🇳🇴 NORWAY145♣♥3-2+5
+2.3Round 10🇭🇰 CHINA HONG KONG84♦♦8=+1
+2.1Round 15🇨🇱 CHILE63NT♥Q-2+7
+2.0Round 14🇫🇷 FRANCE44♣x♥K-2+3
+1.8Round 4🇺🇸 USA71NT♣A=+5
+1.8Round 14🇫🇷 FRANCE14♦♠K-3+7
+1.5Round 2🇮🇩 INDONESIA83NT♠6+3+1
+1.5Round 3🇹🇼 CHINESE TAIPEI74♠♣3+1+4
+1.5Round 6🇳🇴 NORWAY113NT♠3=+0
+1.5Round 10🇭🇰 CHINA HONG KONG23NT♥3=+2
+1.4Round 4🇺🇸 USA13♠♣A+1-2
+1.3Round 3🇹🇼 CHINESE TAIPEI94♥♠2=+0
+1.3Round 12🇵🇱 POLAND93NT♦9+2+2
+1.2Round 2🇮🇩 INDONESIA41NT♣6+2-10
+1.2Round 12🇵🇱 POLAND124♠♣5-3+11
+0.8Round 13🇹🇷 TURKEY36♦x♠A-3+0
+0.7Round 15🇨🇱 CHILE122♠♣A+1+6
+0.5Round 6🇳🇴 NORWAY122♥♠3+1+1
+0.3Round 7🇭🇺 HUNGARY134NT♦9+1-13
+0.2Round 2🇮🇩 INDONESIA12♠♣Q-1+3
+0.2Round 4🇺🇸 USA144♠♦K-1-3
+0.2Round 6🇳🇴 NORWAY104♠♣5-1+6
+0.2Round 10🇭🇰 CHINA HONG KONG31NT♣5-2-1
+0.2Round 12🇵🇱 POLAND14♠♣6=+0
+0.1Round 4🇺🇸 USA124♠x♦4-2+4
+0.0Round 6🇳🇴 NORWAY44♠♣7+1+0
+0.0Round 7🇭🇺 HUNGARY24♥♠5=+0
+0.0Round 7🇭🇺 HUNGARY84♠♦4=+0
+0.0Round 15🇨🇱 CHILE104♠♦3+1+0
-0.1Round 4🇺🇸 USA24♠♦4-2-7
-0.1Round 7🇭🇺 HUNGARY74♠♥Q=+0
-0.2Round 13🇹🇷 TURKEY12♥♣K+3-6
-0.3Round 4🇺🇸 USA64♣♦3-1+2
-0.3Round 15🇨🇱 CHILE14♥♠J=+0
-0.4Round 3🇹🇼 CHINESE TAIPEI124♠♣A-1+5
-0.5Round 4🇺🇸 USA53♦♥A-1+8
-0.5Round 13🇹🇷 TURKEY143NT♦7+2+0
-0.6Round 7🇭🇺 HUNGARY13♣♥3=+0
-0.7Round 10🇭🇰 CHINA HONG KONG42NT♠4+1+10
-0.8Round 3🇹🇼 CHINESE TAIPEI24♥♦4+2-1
-0.8Round 3🇹🇼 CHINESE TAIPEI141NT♠3=+0
-0.8Round 6🇳🇴 NORWAY132♥♣10+1+0
-0.8Round 12🇵🇱 POLAND53♦♠5+1+0
-0.8Round 13🇹🇷 TURKEY63NT♦J=-2
-0.8Round 14🇫🇷 FRANCE133NT♥A=+0
-1.0Round 7🇭🇺 HUNGARY10Pass-3
-1.1Round 4🇺🇸 USA113NT♠6-1-10
-1.1Round 14🇫🇷 FRANCE62♥♣5-1+2
-1.2Round 12🇵🇱 POLAND45♦♣A=+3
-1.4Round 3🇹🇼 CHINESE TAIPEI14♠♥9=+1
-1.5Round 12🇵🇱 POLAND134♥♦6+1+0
-1.7Round 12🇵🇱 POLAND112♠♥4=+0
-1.8Round 6🇳🇴 NORWAY53♥♦3=+0
-2.0Round 14🇫🇷 FRANCE34♠♥Q+1+0
-2.0Round 15🇨🇱 CHILE91NT♦3+1+0
-2.2Round 12🇵🇱 POLAND23NT♥7+1-1
-2.5Round 7🇭🇺 HUNGARY63♥♣K+1-6
-2.5Round 14🇫🇷 FRANCE123NT♣7-1-5
-2.7Round 15🇨🇱 CHILE84♦♥3-2-5
-2.8Round 2🇮🇩 INDONESIA32♥♦K-3-4
-2.8Round 12🇵🇱 POLAND72♥♠8=-10
-2.8Round 14🇫🇷 FRANCE142♠♦2+2-6
-3.0Round 6🇳🇴 NORWAY72♦♠10+1-6
-3.1Round 12🇵🇱 POLAND141NT♣6=-5
-3.2Round 4🇺🇸 USA91NT♦J+2-1
-3.2Round 15🇨🇱 CHILE141♠♣3-1-8
-3.3Round 2🇮🇩 INDONESIA53♥♦Q-2-2
-3.5Round 3🇹🇼 CHINESE TAIPEI134♠♥5=+0
-3.5Round 7🇭🇺 HUNGARY33NT♥4=-10
-3.8Round 3🇹🇼 CHINESE TAIPEI65♠♥J+2+17
-4.0Round 12🇵🇱 POLAND36♣♠4+1-11
-4.3Round 6🇳🇴 NORWAY84♠♦K+3-14
-4.3Round 13🇹🇷 TURKEY24♠♣5=-12
-4.3Round 13🇹🇷 TURKEY124♠♦K-2-8
-4.6Round 2🇮🇩 INDONESIA121NTx♦A=-2
-4.6Round 10🇭🇰 CHINA HONG KONG116♠♠4=+11
-4.7Round 6🇳🇴 NORWAY33♥♦A-2-11
-5.2Round 6🇳🇴 NORWAY21NT♥10-1+0
-5.3Round 3🇹🇼 CHINESE TAIPEI44♠♦4+1+0
-5.4Round 14🇫🇷 FRANCE84♠♣6+1-1
-5.5Round 12🇵🇱 POLAND101NT♥3-3-5
-5.6Round 6🇳🇴 NORWAY92♦x♠6=-2
-5.6Round 10🇭🇰 CHINA HONG KONG13NT♥6+3+14
-5.7Round 4🇺🇸 USA104♠♥3-1-6
-5.8Round 10🇭🇰 CHINA HONG KONG54♠x♣Q-1-6
-6.0Round 14🇫🇷 FRANCE53NT♥10+4-12
-6.4Round 13🇹🇷 TURKEY52♦♦A-3-5
-6.5Round 10🇭🇰 CHINA HONG KONG93NT♥4-2-11
-7.0Round 7🇭🇺 HUNGARY41♥♠K-2-9
-7.3Round 14🇫🇷 FRANCE24♥♣4-2-12
-7.6Round 10🇭🇰 CHINA HONG KONG145♣x♠K-4+5
-7.8Round 4🇺🇸 USA133NT♠5=+0
-7.8Round 15🇨🇱 CHILE131NTx♠3+1-11
-8.3Round 10🇭🇰 CHINA HONG KONG104♥♥10+1-2
-8.5Round 15🇨🇱 CHILE33NT♦3+3-14
-8.6Round 14🇫🇷 FRANCE114♥♠K=-7
-9.2Round 15🇨🇱 CHILE46♦♥J-1-13
-9.5Round 2🇮🇩 INDONESIA142♠x♠2=-12
-9.5Round 7🇭🇺 HUNGARY146♣♥A-2-11
-11.0Round 14🇫🇷 FRANCE106♣♣3-3-21
-11.2Round 15🇨🇱 CHILE116♣♠4+1-1
-11.8Round 15🇨🇱 CHILE52♥x♣9=-14