🇨🇳 LU Yan · CHINA

37rank
+60.0Butler · 196 bds
+0.31per board
±4.4swing
-0.11vs par /bd · #87/140
+0.27adjusted /bd
Butler per round: -0.5 -19.6 -2.1 7 25.4 36.4 22 23 -7.3 -15.1 5.7 10.8 -2.2 -23.5by round

vs par split: bidding -0.33 · play +0.22

Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted +0.27/bd

Card play — on target: opening leads 85.3% #33 of 140 · declarer play 85.2% #6 of 140 · defence 84.3% #91 of 140

Bidding activity — not a pass: 48.6% #9 of 140 (275/566)

Card play by contract type — on target
vs NTvs a suit
Opening leads88.9% (9)84.0% (25)
Declarer play100.0% (20)78.0% (41)
Defence76.0% (25)87.9% (58)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 85.7% (7) · ♦ 90.9% (11) · ♣ 88.9% (9)

vs par by strain: NT +0.06 (63) · a suit -0.19 (133)

vs par by level: part-score +0.32 (74) · game -0.52 (105) · slam +0.59 (17)

By role: declaring +0.23/bd (-2.31 vs par · 113) · defending +0.41/bd (+2.89 vs par · 83)

By vulnerability: vulnerable +0.13/bd (+0.05 vs par · 98) · not vulnerable +0.48/bd (-0.27 vs par · 98)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2Y.LiuN.Bekkouche – F.DanielsenOpen14-0.5-0.04-3.57
Round 3Y.LiuM.Sakaguchi – H.KakuClosed14-19.6-1.40-2.14
Round 5Y.LiuC.Hall – S.KymeOpen14-2.1-0.15-2.14
Round 7Y.LiuS.Harrison – J.BrakeClosed14+7.0+0.50-1.21
Round 8Y.LiuH.Dhondy – K.DykeClosed14+25.4+1.81+0.50
Round 10Y.LiuR.Wan Hoi – M.LemarinelClosed14+36.4+2.60+2.29
Round 11Y.LiuA.Honyek – J.JalsovszkyOpen14+22.0+1.57+4.71
Round 14Y.LiuD.Rosslee – G.HingleClosed14+23.0+1.64+2.00
Round 15Y.LiuJ.Kranyak – G.BottaOpen14-7.3-0.52+0.29
Round 16Y.LiuW.Lai – W.WangOpen14-15.1-1.08+0.21
Round 18Y.LiuJ.Grue – S.RimstedtClosed14+5.7+0.41+0.36
Round 19Y.LiuM.Mladenovic – J.MaricicClosed14+10.8+0.77+1.21
Round 21Y.LiuR.Mihai – G.MihaiOpen14-2.2-0.16-2.29
Round 23Y.LiuP.Livingston – M.WareClosed14-23.5-1.68-1.71

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
+13.1Round 18🇺🇸 USA2205♦♠A=+15
+11.1Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND217NTx♥5-1+13
+11.1Round 10🇷🇪 REUNION204♥♥2-2+13
+10.9Round 14🇿🇦 SOUTH AFRICA213NT♣6-2+13
+10.3Round 23🇳🇿 NEW ZEALAND53NT♠3=+12
+9.5Round 10🇷🇪 REUNION156♥♦2=+5
+9.3Round 11🇭🇺 HUNGARY45♣♥K-1+12
+8.3Round 2🇩🇰 DENMARK156♣♥K=+0
+8.2Round 7🇦🇺 AUSTRALIA63NT♠4=+10
+7.8Round 16🇭🇰 HONG KONG CHINA276NT♥A=+0
+7.3Round 7🇦🇺 AUSTRALIA133♠♠2-1+12
+7.1Round 21🇷🇴 ROMANIA96♥♦Q=+0
+6.7Round 3🇯🇵 JAPAN115♦♠A=+0
+6.7Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND162♦x♣T-2-7
+6.5Round 19🇷🇸 SERBIA64♠♦K+1+8
+6.2Round 10🇷🇪 REUNION233NT♠J=+0
+6.2Round 15🇺🇸 USA1113NT♠6-2+9
+6.2Round 19🇷🇸 SERBIA145♥x♠5-2+5
+6.1Round 10🇷🇪 REUNION183NT♥K=+11
+6.0Round 7🇦🇺 AUSTRALIA26♥♣5=-11
+5.7Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND155♣♠A-1+6
+5.7Round 16🇭🇰 HONG KONG CHINA183♥♠T=+0
+5.6Round 15🇺🇸 USA143♣♦A-3+5
+5.4Round 18🇺🇸 USA2264♠♥3=+0
+5.3Round 5🇧🇲 BERMUDA73NT♦5-1+6
+5.3Round 23🇳🇿 NEW ZEALAND96NT♥9-1+11
+5.2Round 23🇳🇿 NEW ZEALAND22♠♥T+1+6
+4.9Round 7🇦🇺 AUSTRALIA54♥x♣A-2+7
+4.9Round 11🇭🇺 HUNGARY123NT♦K-1+12
+4.8Round 3🇯🇵 JAPAN83NT♠6+2+2
+4.7Round 10🇷🇪 REUNION223NT♥2=-2
+4.5Round 16🇭🇰 HONG KONG CHINA174♥♣K=+0
+4.4Round 10🇷🇪 REUNION245♣♠A-1+5
+4.4Round 14🇿🇦 SOUTH AFRICA263♥♥J-2+9
+4.3Round 11🇭🇺 HUNGARY91NT♦Q-1+5
+4.1Round 19🇷🇸 SERBIA53NT♥J-2+3
+4.0Round 19🇷🇸 SERBIA83♥♣Q=+7
+3.9Round 11🇭🇺 HUNGARY12♥♣K+1-6
+3.9Round 16🇭🇰 HONG KONG CHINA212♠♣4+1+0
+3.8Round 10🇷🇪 REUNION172♠♣J-1+5
+3.7Round 5🇧🇲 BERMUDA92♥♦K+1+7
+3.4Round 3🇯🇵 JAPAN93♣♥4-1+6
+3.4Round 5🇧🇲 BERMUDA42♣♥A+1+6
+3.2Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND194♠♣3+1+0
+3.2Round 16🇭🇰 HONG KONG CHINA243NT♥K-3+7
+3.2Round 21🇷🇴 ROMANIA33♣♥A-1-3
+3.1Round 15🇺🇸 USA133♦♥A+1+0
+2.9Round 11🇭🇺 HUNGARY34♠x♣T-1+11
+2.7Round 2🇩🇰 DENMARK176NT♥9-1+14
+2.7Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND242♥♦K=+0
+2.7Round 11🇭🇺 HUNGARY114NT♥5+1+10
+2.7Round 16🇭🇰 HONG KONG CHINA163♣♦K-1+5
+2.5Round 2🇩🇰 DENMARK224NT♥2+1-11
+2.4Round 14🇿🇦 SOUTH AFRICA194♥♣J+1+0
+2.1Round 5🇧🇲 BERMUDA34♠♦J+1+1
+2.1Round 14🇿🇦 SOUTH AFRICA243♣♠K+1+0
+2.1Round 15🇺🇸 USA1133NT♣7-1+6
+2.0Round 14🇿🇦 SOUTH AFRICA283♠♦5=+0
+2.0Round 21🇷🇴 ROMANIA52♠♥Q-2+2
+1.9Round 2🇩🇰 DENMARK211NT♥J-2-9
+1.9Round 3🇯🇵 JAPAN53NT♦5+2+0
+1.9Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND203♦♠T-2+7
+1.8Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND253♥♦Q+1+1
+1.7Round 2🇩🇰 DENMARK231NT♦A+3+2
+1.7Round 2🇩🇰 DENMARK274♠♦5+1+0
+1.7Round 14🇿🇦 SOUTH AFRICA175♣♦6-1-2
+1.7Round 18🇺🇸 USA2163♣♣2-1-1
+1.6Round 5🇧🇲 BERMUDA15♥♦A-1+2
+1.6Round 11🇭🇺 HUNGARY64♥♣7-1+5
+1.5Round 14🇿🇦 SOUTH AFRICA203NT♠3+1+4
+1.5Round 21🇷🇴 ROMANIA142♥♣Q+2-6
+1.4Round 5🇧🇲 BERMUDA131NT♥Q+2+1
+1.3Round 11🇭🇺 HUNGARY145♦♠4=+3
+1.2Round 14🇿🇦 SOUTH AFRICA223♠♦A=+0
+1.1Round 5🇧🇲 BERMUDA104♠♣6=+0
+1.0Round 7🇦🇺 AUSTRALIA122♥♣K=+5
+0.9Round 11🇭🇺 HUNGARY23♠♥2-3+0
+0.9Round 14🇿🇦 SOUTH AFRICA153NT♠9+2+1
+0.8Round 18🇺🇸 USA2154♥♥3=-1
+0.8Round 18🇺🇸 USA2275♠x♥A-1+0
+0.7Round 5🇧🇲 BERMUDA54♥♦T+2+1
+0.7Round 5🇧🇲 BERMUDA64♠♥T=+0
+0.7Round 7🇦🇺 AUSTRALIA11NT♦A-2+0
+0.7Round 15🇺🇸 USA1126♠♦4=+0
+0.7Round 18🇺🇸 USA2223NT♠4+2+1
+0.7Round 18🇺🇸 USA2244♥♠K-2-5
+0.7Round 23🇳🇿 NEW ZEALAND13NT♥3+2-10
+0.7Round 23🇳🇿 NEW ZEALAND33NT♠4=+1
+0.6Round 10🇷🇪 REUNION164♠♥J+1+11
+0.5Round 2🇩🇰 DENMARK251NT♠8-1+2
+0.5Round 15🇺🇸 USA114♥♠3=-1
+0.5Round 21🇷🇴 ROMANIA13♠♣3-1-2
+0.3Round 3🇯🇵 JAPAN122♠♦K+1+7
+0.3Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND223NT♠J=+1
+0.3Round 14🇿🇦 SOUTH AFRICA233NT♠2+2+0
+0.3Round 19🇷🇸 SERBIA92♠♦K=-11
+0.2Round 7🇦🇺 AUSTRALIA71NT♣3+1+0
+0.2Round 21🇷🇴 ROMANIA75♥♣7=+4
+0.1Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND234♠♣5+1+0
-0.0Round 14🇿🇦 SOUTH AFRICA161NT♥2+1+0
+0.0Round 15🇺🇸 USA1105♠♦A=+0
+0.0Round 18🇺🇸 USA2183♣♥K=+1
-0.0Round 18🇺🇸 USA2214♥♦5=-3
+0.0Round 18🇺🇸 USA2284♥♦A+1+0
+0.0Round 21🇷🇴 ROMANIA63♠♣A=-8
-0.1Round 3🇯🇵 JAPAN104NT♠7+2-13
-0.1Round 5🇧🇲 BERMUDA23NT♣Q+3-11
-0.2Round 7🇦🇺 AUSTRALIA33NT♠5+2+0
-0.3Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND173NT♠A-3-2
-0.3Round 10🇷🇪 REUNION214♠♠3=+0
-0.3Round 15🇺🇸 USA173♥♠5+1+10
-0.3Round 19🇷🇸 SERBIA104♠♥K+3-17
-0.4Round 2🇩🇰 DENMARK193NT♦2+3-11
-0.4Round 11🇭🇺 HUNGARY71NTx♣A-1+2
-0.5Round 11🇭🇺 HUNGARY83♥♣3-1+3
-0.5Round 19🇷🇸 SERBIA73♦♣A+1+10
-0.5Round 19🇷🇸 SERBIA134♠♥7+1+0
-0.5Round 23🇳🇿 NEW ZEALAND84♥♦Q+1+0
-0.6Round 10🇷🇪 REUNION282♠♣3=+1
-0.6Round 21🇷🇴 ROMANIA21NT♦6+3+10
-0.7Round 14🇿🇦 SOUTH AFRICA272♠♣8=+1
-0.7Round 16🇭🇰 HONG KONG CHINA234♥♣J+1+13
-0.7Round 19🇷🇸 SERBIA23NT♦2=-1
-0.7Round 21🇷🇴 ROMANIA114♠♥7+2-1
-0.8Round 10🇷🇪 REUNION263NT♥3=-1
-0.8Round 23🇳🇿 NEW ZEALAND44♥♣Q=-1
-0.8Round 23🇳🇿 NEW ZEALAND102♠♣8-1+5
-0.9Round 21🇷🇴 ROMANIA134♠♠A+1+0
-1.0Round 2🇩🇰 DENMARK163NT♠T-3-6
-1.0Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND183♥♦5-1-1
-1.0Round 19🇷🇸 SERBIA14♥♦K=+0
-1.1Round 7🇦🇺 AUSTRALIA81NT♣6-2+0
-1.2Round 14🇿🇦 SOUTH AFRICA253♣♠K=+1
-1.2Round 15🇺🇸 USA1144♣x♠A-3-2
-1.3Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND272♥♦8+1-7
-1.3Round 11🇭🇺 HUNGARY132♠♠5+1+0
-1.4Round 19🇷🇸 SERBIA43♦♣9+1+15
-1.4Round 21🇷🇴 ROMANIA123♦♠Q-1+3
-1.5Round 10🇷🇪 REUNION274♣♥4-2-5
-1.5Round 19🇷🇸 SERBIA33♣♠J-2-11
-1.7Round 2🇩🇰 DENMARK246♠x♦A-4+0
-1.7Round 2🇩🇰 DENMARK282♠♠A=+0
-1.8Round 19🇷🇸 SERBIA125♣♠6+1+10
-1.9Round 5🇧🇲 BERMUDA146♥♦T+1-11
-1.9Round 15🇺🇸 USA154♥♦Q=+0
-1.9Round 16🇭🇰 HONG KONG CHINA225♦x♣K=-4
-2.0Round 3🇯🇵 JAPAN63NT♥Q=+13
-2.2Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND262♥♣2+1+0
-2.2Round 11🇭🇺 HUNGARY53NT♠T-1-5
-2.3Round 2🇩🇰 DENMARK202♥♦A-3-8
-2.3Round 7🇦🇺 AUSTRALIA44♠♣A+2-13
-2.3Round 21🇷🇴 ROMANIA83♥♦4-1-5
-2.3Round 23🇳🇿 NEW ZEALAND61NT♣T=-5
-2.4Round 3🇯🇵 JAPAN44♥♠2+3-2
-2.5Round 14🇿🇦 SOUTH AFRICA183NT♦6=+1
-2.6Round 16🇭🇰 HONG KONG CHINA155♣x♥T-1-6
-2.6Round 19🇷🇸 SERBIA112♥♣5+2-1
-2.7Round 2🇩🇰 DENMARK185♥♠6+1-13
-2.7Round 15🇺🇸 USA182♥♦K+1+0
-2.7Round 23🇳🇿 NEW ZEALAND141NT♠5+4+5
-2.8Round 15🇺🇸 USA194♥♦2-1-6
-2.9Round 3🇯🇵 JAPAN14♥♣Q=+0
-3.1Round 18🇺🇸 USA2234♠♦K-1-6
-3.3Round 8🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND282♠♣A-1-4
-3.4Round 10🇷🇪 REUNION194♠♥5=-11
-3.4Round 10🇷🇪 REUNION254♥♠K+1+0
-3.4Round 18🇺🇸 USA2177NT♣2=+0
-3.5Round 7🇦🇺 AUSTRALIA103NT♣Q=+0
-3.7Round 7🇦🇺 AUSTRALIA92♠♠A-1-10
-3.9Round 21🇷🇴 ROMANIA103NT♥8-1-12
-4.2Round 3🇯🇵 JAPAN23NT♣6-1-6
-4.3Round 18🇺🇸 USA2196♠♦4=+11
-4.7Round 23🇳🇿 NEW ZEALAND132♥♥5=-6
-4.9Round 7🇦🇺 AUSTRALIA114♠x♥K-2-9
-5.2Round 3🇯🇵 JAPAN71♠♦2=-9
-5.4Round 11🇭🇺 HUNGARY102♠x♦A-2+14
-5.6Round 7🇦🇺 AUSTRALIA144♥♦5=-8
-5.9Round 16🇭🇰 HONG KONG CHINA196♠♥6=+11
-6.2Round 15🇺🇸 USA124♥♦2=-3
-6.3Round 3🇯🇵 JAPAN132♥♦8-1-6
-6.3Round 5🇧🇲 BERMUDA113NT♦Q-2-11
-6.4Round 16🇭🇰 HONG KONG CHINA285♥♠4=-4
-6.5Round 3🇯🇵 JAPAN143NT♥7-2-11
-6.6Round 16🇭🇰 HONG KONG CHINA255♥♦7-2-13
-6.7Round 18🇺🇸 USA2255♠x♦7-1-7
-6.8Round 5🇧🇲 BERMUDA83NT♠K=-7
-6.9Round 21🇷🇴 ROMANIA41NT♦6-3-14
-7.0Round 5🇧🇲 BERMUDA124♥♠K+3-14
-7.1Round 3🇯🇵 JAPAN33NT♦7-2-11
-8.3Round 23🇳🇿 NEW ZEALAND73NTx♣4-2-9
-8.4Round 16🇭🇰 HONG KONG CHINA206♥♠Q=+0
-10.0Round 2🇩🇰 DENMARK261NT♦J+3-10
-10.4Round 15🇺🇸 USA165♦x♣Q-3-14
-10.4Round 16🇭🇰 HONG KONG CHINA263NT♦2-1-6
-11.8Round 23🇳🇿 NEW ZEALAND116♥♦5-1-13
-13.8Round 23🇳🇿 NEW ZEALAND126♠x♣4-4-20