🇨🇳 CHEN Sirui · CHINA

7rank
+146.5Butler · 156 bds
+0.94per board
±4.7swing
+1.54vs par /bd · #1/108
+0.82adjusted /bd
Butler per round: -0 30.8 -6.9 33.4 37.3 1.8 -24.5 22.7 -8 -11.7 18.1 23.2 30.3by round

vs par split: bidding +0.75 · play +0.73

Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted +0.82/bd

Card play — on target: opening leads 75.0% #78 of 108 · declarer play 77.8% #32 of 108 · defence 88.2% #7 of 108

Bidding activity — not a pass: 41.2% #66 of 108 (175/425)

Card play by contract type — on target
vs NTvs a suit
Opening leads62.5% (16)87.5% (16)
Declarer play85.7% (14)72.7% (22)
Defence86.7% (30)89.1% (46)

Opening leads by suit led: ♠ 77.8% (9) · ♥ 83.3% (6) · ♦ 50.0% (6) · ♣ 81.8% (11)

vs par by strain: NT +2.38 (56) · a suit +0.97 (98)

vs par by level: part-score +0.56 (55) · game +1.92 (91) · slam +2.75 (8)

By role: declaring +1.18/bd (-0.69 vs par · 78) · defending +0.64/bd (+3.71 vs par · 76)

By vulnerability: vulnerable +0.85/bd (+1.56 vs par · 81) · not vulnerable +1.03/bd (+1.53 vs par · 75)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Z.YuanK.Fung – H.ChungOpen12-0.0-0.00+1.67
Round 3Z.YuanK.Recicarova – P.SlovakovaClosed12+30.8+2.57+6.00
Round 4Z.YuanE.Gisin – Y.ShorClosed12-6.9-0.58+0.83
Round 6Z.YuanD.Balof – E.DermanClosed12+33.4+2.78+2.33
Round 7Z.YuanM.Larsen – P.HammelevOpen12+37.3+3.11+1.67
Round 9Z.YuanS.Lillejord – J.BrekkeClosed12+1.8+0.15+2.08
Round 10Z.YuanZ.Sueur – S.GallardClosed12-24.5-2.04+0.58
Round 12Z.YuanA.Pedmanson – J.VahkClosed12+22.7+1.89-0.50
Round 13Z.YuanE.Xiao – J.XiaoClosed12-8.0-0.67-1.75
Round 15Z.YuanA.Bukat – M.KlimiukOpen12-11.7-0.97+1.50
Round 16Z.YuanN.Muthuswamy – P.GoyalOpen12+18.1+1.51+1.08
Round 17Z.YuanT.Vellios – T.OikonomouClosed12+23.2+1.93+3.42
Round 19Z.YuanS.Janwongkit – C.InthawongClosed12+30.3+2.52+1.17

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
+14.4Round 12🇪🇪 ESTONIA185♥x♠K-4+15
+14.2Round 9🇳🇴 NORWAY24♠x♣9+2+11
+13.1Round 1🇭🇰 HONG KONG CHINA96♠♦K=+15
+13.0Round 19🇹🇭 THAILAND46♠♠7-3+14
+11.1Round 6🇺🇸 USA2206NT♠7-1+17
+9.9Round 16🇮🇳 INDIA254♠x♣J-2+9
+8.7Round 16🇮🇳 INDIA183NT♥5+1+8
+8.4Round 15🇵🇱 POLAND36♠♣8-1+13
+8.4Round 19🇹🇭 THAILAND104NT♥4+1+0
+8.1Round 12🇪🇪 ESTONIA167NT♥9=+0
+7.9Round 6🇺🇸 USA2154♠x♥6+1+6
+7.6Round 7🇩🇰 DENMARK85♠♥2-2+5
+7.5Round 3🇨🇿 CZECH REPUBLIC74♠♣5=+10
+7.4Round 3🇨🇿 CZECH REPUBLIC54♠♣T-2+8
+7.4Round 17🇬🇷 GREECE13♠x♣K-3+2
+7.2Round 3🇨🇿 CZECH REPUBLIC103NT♠4-1+12
+6.6Round 7🇩🇰 DENMARK54♥♠5=+11
+6.5Round 4🇮🇱 ISRAEL213NT♦K=+10
+6.3Round 7🇩🇰 DENMARK34♠♥T=+8
+6.2Round 6🇺🇸 USA2254♣x♠A-2+5
+5.9Round 6🇺🇸 USA2166♣♥A+1-13
+5.9Round 6🇺🇸 USA2214♥♥J=+7
+5.9Round 17🇬🇷 GREECE74♠♦A-1+13
+5.7Round 3🇨🇿 CZECH REPUBLIC24♥♦T-3+9
+5.6Round 1🇭🇰 HONG KONG CHINA104♠x♥T-1+2
+5.4Round 3🇨🇿 CZECH REPUBLIC14♣♦A=+6
+5.4Round 16🇮🇳 INDIA154♣x♠A-1+6
+5.4Round 16🇮🇳 INDIA194♠♦Q=-1
+4.9Round 17🇬🇷 GREECE41NTx♠K-1+7
+4.7Round 6🇺🇸 USA2242NT♣K-2+5
+4.7Round 17🇬🇷 GREECE32NT♠6-1+6
+4.5Round 9🇳🇴 NORWAY105♦♦3+1+0
+4.5Round 19🇹🇭 THAILAND53NT♣J-1+6
+4.3Round 12🇪🇪 ESTONIA241NT♠Q=+5
+4.1Round 13🇺🇸 USA154♠♥A-2+5
+3.9Round 13🇺🇸 USA1113NT♠2-1+10
+3.8Round 3🇨🇿 CZECH REPUBLIC113NT♠T+2+11
+3.8Round 13🇺🇸 USA173♠♦2-1+6
+3.7Round 19🇹🇭 THAILAND14♠♦3+1+0
+3.6Round 7🇩🇰 DENMARK41NT♥T-1+0
+3.5Round 7🇩🇰 DENMARK13♥♠K+1-4
+3.4Round 7🇩🇰 DENMARK93♣x♣2-1+0
+3.3Round 1🇭🇰 HONG KONG CHINA33NT♦T+2-12
+3.3Round 1🇭🇰 HONG KONG CHINA83♥♠T=+6
+3.3Round 19🇹🇭 THAILAND124♠♦T+1+0
+3.1Round 7🇩🇰 DENMARK73NT♣6-1+12
+3.1Round 12🇪🇪 ESTONIA231NT♦8+2+1
+3.1Round 16🇮🇳 INDIA17Pass+9
+2.8Round 7🇩🇰 DENMARK122NT♠3+1+7
+2.7Round 3🇨🇿 CZECH REPUBLIC61NT♥K=+6
+2.7Round 15🇵🇱 POLAND71♠♣4+2+0
+2.7Round 17🇬🇷 GREECE54♣♥K-1+8
+2.6Round 4🇮🇱 ISRAEL193♠♦Q=+1
+2.6Round 4🇮🇱 ISRAEL25Pass+4
+2.6Round 7🇩🇰 DENMARK103♦♣T=+1
+2.6Round 9🇳🇴 NORWAY33NT♦8+2+1
+2.4Round 3🇨🇿 CZECH REPUBLIC42♥♠A-1+5
+2.4Round 10🇫🇷 FRANCE153♥♦8+1+1
+2.4Round 17🇬🇷 GREECE113♣♠8+1+0
+2.3Round 9🇳🇴 NORWAY123NT♥5+1-1
+2.0Round 15🇵🇱 POLAND83♣♣7+1+0
+1.9Round 12🇪🇪 ESTONIA174♠♣5=+0
+1.9Round 13🇺🇸 USA143NT♦J+3+1
+1.9Round 15🇵🇱 POLAND14♠♣9+1+0
+1.9Round 16🇮🇳 INDIA163NT♥4+2+1
+1.9Round 17🇬🇷 GREECE83NT♠5=+3
+1.8Round 19🇹🇭 THAILAND21NT♠4+2+1
+1.5Round 13🇺🇸 USA196NT♣J+1-11
+1.4Round 1🇭🇰 HONG KONG CHINA112♠♦5+1+1
+1.3Round 6🇺🇸 USA2194♥♦3=+1
+1.3Round 6🇺🇸 USA2261NT♥8+1+0
+1.3Round 10🇫🇷 FRANCE204♥♣A-1+9
+1.3Round 10🇫🇷 FRANCE253NT♣J=+1
+1.1Round 3🇨🇿 CZECH REPUBLIC83NT♠Q+1+0
+1.1Round 9🇳🇴 NORWAY92♠♥Q+2+1
+1.0Round 13🇺🇸 USA1123♥♣6-1-6
+0.9Round 16🇮🇳 INDIA203NT♦9+3+1
+0.9Round 19🇹🇭 THAILAND63♥♣7+1-10
+0.6Round 4🇮🇱 ISRAEL184♠♣9+1+0
+0.6Round 12🇪🇪 ESTONIA223♣♠A-1-8
+0.4Round 16🇮🇳 INDIA243NT♠3+1+0
+0.3Round 10🇫🇷 FRANCE263NT♠2-1+0
+0.3Round 17🇬🇷 GREECE93NT♠5-1+5
+0.3Round 19🇹🇭 THAILAND84♥♠6=+7
+0.1Round 1🇭🇰 HONG KONG CHINA61NT♠3+2+6
+0.1Round 7🇩🇰 DENMARK23♠♥6-2-6
+0.1Round 15🇵🇱 POLAND102NT♥6=+10
-0.0Round 6🇺🇸 USA2235♦♥Q-1+6
-0.0Round 7🇩🇰 DENMARK62NT♥5=-9
-0.1Round 1🇭🇰 HONG KONG CHINA14♠♣A=-1
-0.2Round 10🇫🇷 FRANCE192♠♥2+1+0
-0.4Round 4🇮🇱 ISRAEL164♠♥2=+1
-0.4Round 4🇮🇱 ISRAEL174♠♣K-1-10
-0.5Round 9🇳🇴 NORWAY84♥♦A=+1
-0.5Round 12🇪🇪 ESTONIA204♥♠K+1+0
-0.5Round 12🇪🇪 ESTONIA262♥♦8-1-11
-0.7Round 13🇺🇸 USA113NT♥Q-1-1
-0.7Round 17🇬🇷 GREECE103NT♦9+1+0
-0.7Round 19🇹🇭 THAILAND32♦♥4+1-1
-0.7Round 19🇹🇭 THAILAND91NT♦4=+1
-0.8Round 13🇺🇸 USA184♠♦K+1-11
-0.8Round 15🇵🇱 POLAND64♠♠5+1-14
-0.8Round 15🇵🇱 POLAND114♣♣J+3+12
-0.8Round 19🇹🇭 THAILAND114♠♣J-1-5
-0.9Round 12🇪🇪 ESTONIA153♦♠5-1+0
-1.2Round 9🇳🇴 NORWAY64♠♣T=+1
-1.2Round 17🇬🇷 GREECE123NT♠4+1+0
-1.3Round 9🇳🇴 NORWAY12♠♦A+1+0
-1.3Round 10🇫🇷 FRANCE244♠♥A+1+11
-1.4Round 13🇺🇸 USA162♦♥K=-1
-1.5Round 16🇮🇳 INDIA214♠♣2+3-2
-1.6Round 4🇮🇱 ISRAEL203NT♠Q+2-1
-1.6Round 17🇬🇷 GREECE64♠♣J+1-4
-1.7Round 15🇵🇱 POLAND123NT♠5+2+11
-1.9Round 6🇺🇸 USA2172♠♦T+2-6
-2.2Round 9🇳🇴 NORWAY42♥♠J=+1
-2.2Round 12🇪🇪 ESTONIA192♠♦J=+1
-2.3Round 7🇩🇰 DENMARK114♠♦A-1-5
-2.3Round 15🇵🇱 POLAND23♣♥6=+1
-2.5Round 1🇭🇰 HONG KONG CHINA24♥♦K+3+12
-2.5Round 12🇪🇪 ESTONIA253NT♣2=-10
-2.7Round 1🇭🇰 HONG KONG CHINA72NT♠K-1-5
-2.7Round 3🇨🇿 CZECH REPUBLIC34♠♣8+2-1
-2.7Round 4🇮🇱 ISRAEL244♥♦5-2+8
-2.8Round 10🇫🇷 FRANCE233NT♠T=+0
-2.9Round 4🇮🇱 ISRAEL224♠♣4+1+0
-2.9Round 9🇳🇴 NORWAY113NT♥6+1+10
-3.1Round 12🇪🇪 ESTONIA214♠♦8=+1
-3.1Round 16🇮🇳 INDIA223♠♦4=-1
-3.2Round 4🇮🇱 ISRAEL233NT♥J=+13
-3.2Round 4🇮🇱 ISRAEL263NT♣A-1-6
-3.4Round 10🇫🇷 FRANCE183♠♦Q-2+1
-3.4Round 19🇹🇭 THAILAND74♠♣6-1+1
-3.5Round 3🇨🇿 CZECH REPUBLIC93♥♣5-1-6
-3.5Round 17🇬🇷 GREECE24♠♥2=+1
-3.7Round 6🇺🇸 USA2184♥♦A+1+0
-4.2Round 10🇫🇷 FRANCE174♠♣8=+0
-4.2Round 15🇵🇱 POLAND43♠♣K=-1
-4.8Round 4🇮🇱 ISRAEL154♠♦9-1-10
-5.0Round 16🇮🇳 INDIA264♥♣3=+0
-5.3Round 6🇺🇸 USA2223NT♠4=+0
-5.6Round 10🇫🇷 FRANCE164♥♣8-3-5
-5.7Round 1🇭🇰 HONG KONG CHINA53NT♠5=+0
-5.7Round 10🇫🇷 FRANCE213♣♦A+1-6
-5.8Round 13🇺🇸 USA133NT♠7-1-10
-6.2Round 3🇨🇿 CZECH REPUBLIC123NT♥4+2+12
-6.3Round 13🇺🇸 USA1103NT♣4=+0
-6.5Round 15🇵🇱 POLAND93NT♦4+3-1
-6.6Round 10🇫🇷 FRANCE223♦♠8-3-5
-7.1Round 1🇭🇰 HONG KONG CHINA45♣x♠K-3-4
-7.3Round 9🇳🇴 NORWAY73NT♠J+1+13
-7.5Round 9🇳🇴 NORWAY53NT♥Q-2-13
-8.0Round 16🇮🇳 INDIA234♥♦7+3-17
-8.7Round 1🇭🇰 HONG KONG CHINA124♠♠9=+0
-9.2Round 13🇺🇸 USA122♠x♦A-2-3
-10.5Round 15🇵🇱 POLAND56♠♦Q-1-13