🇨🇳 LIU Yan · CHINA

3rank
+171.1Butler · 176 bds
+0.97per board
±4.6swing
+1.03vs par /bd · #5/103
+0.76adjusted /bd
Butler per round: 16.7 26.1 7.3 10.2 30.7 23.5 23.1 0.3 7.6 18.3 7.3by round

vs par split: bidding +0.50 · play +0.55

Strength of schedule: opponents averaged -0.21/bd (an easy draw) → opponent-adjusted +0.76/bd

Card play — on target: opening leads 86.5% #13 of 103 · declarer play 79.6% #20 of 103 · defence 91.0% #9 of 103

Card play by contract type — on target
vs NTvs a suit
Opening leads85.7% (14)86.8% (38)
Declarer play100.0% (15)71.8% (39)
Defence95.2% (21)89.7% (68)

Opening leads by suit led: ♠ 85.7% (14) · ♥ 91.7% (12) · ♦ 81.8% (11) · ♣ 86.7% (15)

vs par by strain: NT +0.93 (40) · a suit +1.10 (135)

vs par by level: part-score +0.94 (67) · game +1.35 (99) · slam -1.33 (9)

By role: declaring +0.80/bd (-1.17 vs par · 87) · defending +1.14/bd (+3.19 vs par · 89)

By vulnerability: vulnerable +0.69/bd (+0.93 vs par · 88) · not vulnerable +1.25/bd (+1.14 vs par · 88)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.LuA.Pecci – M.RitianiOpen16+16.7+1.04+0.62
Round 3Y.LuR.Tobin – H.PittOpen16+26.1+1.63+1.88
Round 4Y.LuM.Dolera – C.TinajeroClosed16+7.3+0.46+0.62
Round 6Y.LuC.Draper – F.BrownClosed16+10.2+0.64+2.06
Round 7Y.LuM.Castells – L.Castells-ConradoOpen16+30.7+1.92+2.44
Round 8Y.LuA.Vidigal – L.MenezesClosed16+23.5+1.47-0.69
Round 11Y.LuL.Dekkers – D.Van DelftOpen16+23.1+1.44+1.12
Round 12Y.LuE.Laukkanen – M.MantylaClosed16+0.3+0.02+2.62
Round 13Y.LuR.Saigol – T.AyubClosed16+7.6+0.47-1.94
Round 14Y.LuJ.Tsubaki – A.ShimazakiOpen16+18.3+1.14+2.31
Round 16Y.LuR.Kenny – C.LipshitzClosed16+7.3+0.46+0.31

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
+17.7Round 14🇯🇵 JAPAN226NTx♥A-5+17
+10.1Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND324♥♠K-1+13
+9.3Round 7🇪🇸 SPAIN84♠x♣6=+10
+9.3Round 12🇫🇮 FINLAND194♠♥K-2+9
+9.2Round 7🇪🇸 SPAIN137♦♥K=-2
+9.1Round 13🇵🇰 PAKISTAN85♦♠2+2+12
+9.0Round 3🇦🇺 AUSTRALIA154♠♣K=+8
+8.8Round 1🇸🇲 SAN MARINO24♠x♣A-5+10
+8.8Round 8🇧🇷 BRAZIL303NT♠10=+6
+8.5Round 1🇸🇲 SAN MARINO93♥♦10-3+9
+8.5Round 11🇳🇱 NETHERLANDS115♣x♠J=+12
+8.4Round 3🇦🇺 AUSTRALIA164♥♠5+2+13
+8.0Round 13🇵🇰 PAKISTAN25♥x♠A-4+4
+7.9Round 4🇲🇽 MEXICO226♣♠10-1+14
+7.9Round 14🇯🇵 JAPAN173NT♣10-1+10
+7.7Round 13🇵🇰 PAKISTAN94♥♦10=+7
+7.2Round 11🇳🇱 NETHERLANDS155♣♣5=-1
+7.2Round 16🇿🇦 SOUTH AFRICA263NT♥8+1+1
+7.0Round 11🇳🇱 NETHERLANDS83NT♥2=+0
+6.7Round 4🇲🇽 MEXICO204♥♦9-1+12
+6.5Round 7🇪🇸 SPAIN55♠♣10+1+11
+6.4Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND263NT♠6-3+14
+6.0Round 3🇦🇺 AUSTRALIA63NT♠5+1+1
+5.8Round 7🇪🇸 SPAIN125♠♦6+1+11
+5.6Round 8🇧🇷 BRAZIL243NT♠5+2+1
+5.6Round 8🇧🇷 BRAZIL284♠♥3+2+11
+5.6Round 13🇵🇰 PAKISTAN62♠♥K-1+11
+5.4Round 3🇦🇺 AUSTRALIA33♣♥K+1+7
+5.0Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND204♦♠7=+0
+4.6Round 11🇳🇱 NETHERLANDS103♠♥3-3+9
+4.6Round 12🇫🇮 FINLAND234♥♠2-1+6
+4.5Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND294♠♦10+2+13
+4.4Round 3🇦🇺 AUSTRALIA123NT♥5-1+10
+4.3Round 14🇯🇵 JAPAN182♠♦A+2+6
+4.2Round 7🇪🇸 SPAIN141♥♦5-2+6
+4.2Round 13🇵🇰 PAKISTAN44♠♥5-2+7
+4.2Round 14🇯🇵 JAPAN212♠♥K-1+5
+4.1Round 1🇸🇲 SAN MARINO153♥♣Q-2+5
+4.1Round 7🇪🇸 SPAIN43♠♥7-2+7
+4.1Round 12🇫🇮 FINLAND214♥♠4=+11
+4.1Round 16🇿🇦 SOUTH AFRICA192♠♣Q=+5
+3.8Round 11🇳🇱 NETHERLANDS144♠♣A-1+10
+3.7Round 8🇧🇷 BRAZIL264♥♦Q+1+0
+3.6Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND243♠♥J-1+13
+3.6Round 7🇪🇸 SPAIN95♠♣4-2+2
+3.6Round 8🇧🇷 BRAZIL232♠♣4=+6
+3.6Round 8🇧🇷 BRAZIL274♥♦9+1-10
+3.6Round 16🇿🇦 SOUTH AFRICA222♥♣6+2+1
+3.6Round 16🇿🇦 SOUTH AFRICA324♥♥6=+0
+3.5Round 14🇯🇵 JAPAN264♠♦10=+10
+3.4Round 1🇸🇲 SAN MARINO33♣♦Q-1+12
+3.3Round 13🇵🇰 PAKISTAN144♠x♥A-1-5
+3.3Round 16🇿🇦 SOUTH AFRICA173♥♦6-3+1
+3.2Round 4🇲🇽 MEXICO274♥♦5+1+4
+3.2Round 11🇳🇱 NETHERLANDS63♦♣10+1+11
+3.1Round 4🇲🇽 MEXICO241NTx♠K-2+4
+3.1Round 12🇫🇮 FINLAND314♥♠7-4+8
+2.8Round 12🇫🇮 FINLAND224♥♦K-1+10
+2.6Round 13🇵🇰 PAKISTAN162♥♣A=-1
+2.6Round 14🇯🇵 JAPAN252NT♥3-1+5
+2.4Round 1🇸🇲 SAN MARINO51NT♠3=-1
+2.4Round 1🇸🇲 SAN MARINO66♠♥2-1+13
+2.4Round 4🇲🇽 MEXICO183♦x♥K-2-8
+2.4Round 7🇪🇸 SPAIN72♥♦K=-1
+2.3Round 4🇲🇽 MEXICO294♣♠K-2+2
+2.2Round 14🇯🇵 JAPAN243NT♦8=+0
+2.1Round 11🇳🇱 NETHERLANDS11NT♦4=-8
+2.0Round 1🇸🇲 SAN MARINO144♥♦2=+0
+2.0Round 4🇲🇽 MEXICO264♠♥6+2+1
+2.0Round 4🇲🇽 MEXICO302♠♣9-1-1
+1.9Round 1🇸🇲 SAN MARINO124♥♣J+2+1
+1.9Round 3🇦🇺 AUSTRALIA73NT♠K=+0
+1.9Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND211♠♣K=+0
+1.9Round 8🇧🇷 BRAZIL253♥♣8+1+1
+1.9Round 14🇯🇵 JAPAN282♠♣K=+7
+1.8Round 8🇧🇷 BRAZIL323NT♠7+2+0
+1.5Round 12🇫🇮 FINLAND283♥♦10-3+2
+1.5Round 13🇵🇰 PAKISTAN154♠♣A+2-13
+1.4Round 1🇸🇲 SAN MARINO111NT♠4+1-7
+1.3Round 3🇦🇺 AUSTRALIA101NT♦4-1+0
+1.2Round 3🇦🇺 AUSTRALIA94♥♠Q+2+1
+1.2Round 11🇳🇱 NETHERLANDS131NT♦K+4-9
+1.2Round 12🇫🇮 FINLAND253♣♥8=+0
+1.1Round 7🇪🇸 SPAIN23♦♥Q+1+1
+1.1Round 7🇪🇸 SPAIN152NT♠4+2+6
+1.0Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND316♥♠5=-7
+0.9Round 1🇸🇲 SAN MARINO133NT♥6-3-7
+0.9Round 4🇲🇽 MEXICO314♠♣A=-1
+0.9Round 11🇳🇱 NETHERLANDS34♥♠5-1+10
+0.8Round 4🇲🇽 MEXICO284♠♦J+1+0
+0.8Round 8🇧🇷 BRAZIL224♥♥9+1+1
+0.7Round 3🇦🇺 AUSTRALIA144♠♣K-1-6
+0.7Round 12🇫🇮 FINLAND274♥♣A+1+1
+0.6Round 3🇦🇺 AUSTRALIA22♥♦2-1+5
+0.6Round 12🇫🇮 FINLAND241NT♦2=+1
+0.6Round 14🇯🇵 JAPAN314♠♦K=+8
+0.5Round 16🇿🇦 SOUTH AFRICA243♥♦A-2-8
+0.4Round 16🇿🇦 SOUTH AFRICA305♠♣A+1+5
+0.3Round 8🇧🇷 BRAZIL313♠♣K-3+1
+0.2Round 11🇳🇱 NETHERLANDS74♥♠9=+0
+0.2Round 11🇳🇱 NETHERLANDS123NT♠10+2+0
+0.1Round 16🇿🇦 SOUTH AFRICA184♠♥4-2+5
+0.0Round 13🇵🇰 PAKISTAN74♠♣7+1+0
-0.1Round 3🇦🇺 AUSTRALIA43♦♥3-1+1
-0.1Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND304♥♠7+1+0
-0.1Round 8🇧🇷 BRAZIL174♥♣A+1+0
-0.1Round 11🇳🇱 NETHERLANDS24♠♣Q+1+0
-0.1Round 13🇵🇰 PAKISTAN114♠♥K+1+0
-0.2Round 1🇸🇲 SAN MARINO14♥♠5+1-11
-0.2Round 16🇿🇦 SOUTH AFRICA253NT♦3=-1
-0.2Round 16🇿🇦 SOUTH AFRICA312♥♠3=+1
-0.3Round 8🇧🇷 BRAZIL184♥♠10=-5
-0.3Round 8🇧🇷 BRAZIL203NT♦7+1-1
-0.3Round 16🇿🇦 SOUTH AFRICA293♣♣3=+0
-0.4Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND284♣♦A-1-2
-0.4Round 7🇪🇸 SPAIN35♦♥2=-2
-0.4Round 13🇵🇰 PAKISTAN134♠♥4+2-12
-0.5Round 3🇦🇺 AUSTRALIA54♠♥10=+8
-0.6Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND172NT♣7+1+6
-0.6Round 7🇪🇸 SPAIN104♠♣2=+1
-0.6Round 14🇯🇵 JAPAN324♠♠A=+1
-0.8Round 3🇦🇺 AUSTRALIA83♣♥A+1-7
-0.9Round 1🇸🇲 SAN MARINO82♠♣10-3-1
-1.2Round 12🇫🇮 FINLAND304♠♣2+2-14
-1.2Round 12🇫🇮 FINLAND323NT♠4=+0
-1.4Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND273NT♦10-2+1
-1.4Round 16🇿🇦 SOUTH AFRICA282♠♥J+3-2
-1.5Round 4🇲🇽 MEXICO324♠♦4+1+0
-1.6Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND182NT♥10-1-5
-1.6Round 8🇧🇷 BRAZIL191♠♥Q+2+0
-1.6Round 13🇵🇰 PAKISTAN103NT♣Q=+1
-1.7Round 14🇯🇵 JAPAN234♥♦Q+1+0
-1.7Round 16🇿🇦 SOUTH AFRICA232NT♦5+1-1
-1.8Round 4🇲🇽 MEXICO214♥♠Q=+0
-1.8Round 12🇫🇮 FINLAND294♥♦J+1+13
-1.9Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND195♦♥7+1-11
-1.9Round 13🇵🇰 PAKISTAN33♥♣K+1-2
-1.9Round 14🇯🇵 JAPAN29Pass-3
-2.1Round 4🇲🇽 MEXICO174♠♣A-1+2
-2.1Round 12🇫🇮 FINLAND203♠♦3=+0
-2.1Round 14🇯🇵 JAPAN194♥♥6-1-5
-2.1Round 16🇿🇦 SOUTH AFRICA272NT♠7+1+6
-2.2Round 3🇦🇺 AUSTRALIA112NT♣5=+0
-2.2Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND232♥♠A-2+9
-2.6Round 7🇪🇸 SPAIN13NT♥6=+1
-2.7Round 3🇦🇺 AUSTRALIA12♠♣K+1-1
-2.9Round 4🇲🇽 MEXICO254♣♥A-1-4
-2.9Round 8🇧🇷 BRAZIL211NT♥6+2-10
-3.1Round 1🇸🇲 SAN MARINO102♥♠4+1+0
-3.2Round 11🇳🇱 NETHERLANDS164♠♥4-1-5
-3.5Round 1🇸🇲 SAN MARINO162NT♠3-1+2
-3.6Round 14🇯🇵 JAPAN302♥♦2=-5
-3.8Round 11🇳🇱 NETHERLANDS51NT♣10-1-6
-3.9Round 7🇪🇸 SPAIN64♥♥3+1-1
-4.1Round 12🇫🇮 FINLAND184♥♠5=+1
-4.2Round 7🇪🇸 SPAIN167NT♠10=+0
-4.3Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND223NT♠4=+0
-4.3Round 11🇳🇱 NETHERLANDS43NT♠7+1+0
-4.3Round 16🇿🇦 SOUTH AFRICA203♦♠K+1+0
-4.4Round 11🇳🇱 NETHERLANDS94♦♠5-1-5
-4.8Round 4🇲🇽 MEXICO234♠♥2+1-4
-4.9Round 7🇪🇸 SPAIN114♥♠Q+1-11
-5.3Round 16🇿🇦 SOUTH AFRICA215♦♠A-2-8
-5.6Round 1🇸🇲 SAN MARINO73♥♣K=-11
-5.8Round 1🇸🇲 SAN MARINO44♥♦8+1-4
-5.9Round 12🇫🇮 FINLAND265♥x♣3-1-2
-6.5Round 3🇦🇺 AUSTRALIA134♠♣2=-10
-7.0Round 8🇧🇷 BRAZIL295♦♣A-1-12
-8.1Round 14🇯🇵 JAPAN276♦♣2-1-14
-8.6Round 14🇯🇵 JAPAN202♠x♣A-3-5
-8.9Round 13🇵🇰 PAKISTAN124♠♠2=-7
-9.8Round 6🏴󠁧󠁢󠁥󠁮󠁧󠁿 ENGLAND254♥♥3-1-11
-9.8Round 13🇵🇰 PAKISTAN16♦♥J-1-16
-10.9Round 4🇲🇽 MEXICO194♠♦A=-11
-11.3Round 12🇫🇮 FINLAND175♥♠A=-4
-11.7Round 13🇵🇰 PAKISTAN56♦♣7-2-17