LIU Yan · HONG KONG HAI JIU

539rank
-46.6Butler · 56 bds
-0.83per board
±4.7swing
+0.93vs par /bd · #186/579
-0.79adjusted /bd
Butler per round: -7.7 -3.1 10.9 -32.7 6.5 -2 -2.4 -16.1by round

vs par split: bidding +0.64 · play +0.29

Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted -0.79/bd

Card play — on target: opening leads 66.7% #444 of 579 · declarer play 71.4% #303 of 579 · defence 80.6% #455 of 579

Card play by contract type — on target
vs NTvs a suit
Opening leads42.9% (7)87.5% (8)
Declarer play100.0% (4)60.0% (10)
Defence84.6% (13)77.8% (18)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 80.0% (5) · ♦ 100.0% (2) · ♣ 25.0% (4)

vs par by strain: NT +2.45 (20) · a suit +0.08 (36)

vs par by level: part-score -0.04 (26) · game +1.83 (24) · slam +1.50 (6)

By role: declaring -0.86/bd (-2.76 vs par · 25) · defending -0.81/bd (+3.90 vs par · 31)

By vulnerability: vulnerable -0.99/bd (+0.89 vs par · 28) · not vulnerable -0.67/bd (+0.96 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.WangD.Fischer – B.SaurerClosed7-7.7-1.10+0.71
Round 2Q.LiN.Deng – W.GuoOpen7-3.1-0.44-2.00
Round 3S.WangA.Shah – S.KarmarkarOpen7+10.9+1.56+1.71
Round 4S.WangJ.Zhou – Y.ChenOpen7-32.7-4.67+1.00
Round 5S.WangS.Liu – Y.LiangOpen7+6.5+0.93+0.71
Round 6G.LiG.Lorentz – S.BurgessOpen7-2.0-0.29+3.14
Round 7R.ShiS.He – Z.HeOpen7-2.4-0.34+0.57
Round 8S.WangL.Majdanski – P.IlczukClosed7-16.1-2.30+1.57

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
+9.9Round 3PODDAR DEVELOPERS196NT♠8-1+20
+6.0Round 5DONGFENG FENGSHEN44♠♦Q=+0
+5.9Round 5DONGFENG FENGSHEN66♣♠8+1+13
+5.5Round 2BEIJING LAWYERS93♦x♦4-2+3
+5.5Round 6LORENTZ82♦♣A-1+9
+5.0Round 3PODDAR DEVELOPERS166♦♥6=-2
+5.0Round 6LORENTZ123NT♣2-2+11
+4.7Round 2BEIJING LAWYERS134♠x♥10-3+4
+4.5Round 3PODDAR DEVELOPERS216♠♥J=-13
+3.5Round 5DONGFENG FENGSHEN11NT♥7+3+6
+3.4Round 2BEIJING LAWYERS141NT♥A+2+1
+3.3Round 6LORENTZ103NT♠Q-1+6
+3.1Round 7SHAOGUAN RENHUA182NT♥5-2+6
+2.7Round 7SHAOGUAN RENHUA153♠♣K=+13
+2.2Round 8CONSUS POLAND274♣x♥10-1+5
+2.0Round 3PODDAR DEVELOPERS152♠♦10=+0
+2.0Round 7SHAOGUAN RENHUA214♠♣K-1+5
+1.9Round 1KASIMIRS DREAMTEAM23NT♥5-2+6
+1.3Round 6LORENTZ113♣♦7=-1
+1.2Round 8CONSUS POLAND244♠x♥Q-2+4
+1.0Round 5DONGFENG FENGSHEN74♠♥4=+0
+0.3Round 7SHAOGUAN RENHUA172♠♦9+2+1
+0.3Round 7SHAOGUAN RENHUA204♥♦3+2-13
+0.2Round 1KASIMIRS DREAMTEAM62NT♦Q=+6
+0.0Round 4CHINA HYX222♥♦A+1+0
+0.0Round 4CHINA HYX253NT♣4+2+12
-0.5Round 1KASIMIRS DREAMTEAM12♠♦J=-5
-0.6Round 5DONGFENG FENGSHEN23♥♠10=+0
-0.7Round 4CHINA HYX264♠♣A+1+13
-1.1Round 6LORENTZ94♥♠2=+13
-1.5Round 8CONSUS POLAND282♥♣3=+7
-1.6Round 1KASIMIRS DREAMTEAM32♣♦9=-1
-1.9Round 5DONGFENG FENGSHEN33NT♠7-2-6
-2.0Round 8CONSUS POLAND254♠x♦A-3+3
-2.2Round 1KASIMIRS DREAMTEAM75♣♥Q=+1
-2.2Round 3PODDAR DEVELOPERS173♥♦K=+0
-2.6Round 1KASIMIRS DREAMTEAM41NT♣6-1+1
-2.7Round 6LORENTZ132♠♥K+3-2
-2.9Round 1KASIMIRS DREAMTEAM52♣♠J-1-3
-2.9Round 2BEIJING LAWYERS81NT♣4+1-6
-2.9Round 8CONSUS POLAND263NT♠3+1-1
-3.5Round 2BEIJING LAWYERS103NT♥9+1+0
-3.5Round 4CHINA HYX283NT♣4-2-8
-3.5Round 7SHAOGUAN RENHUA193♣♥10-1-5
-3.8Round 3PODDAR DEVELOPERS203NT♠10+2+12
-3.9Round 4CHINA HYX275♣♦A+1-1
-4.5Round 2BEIJING LAWYERS112♠♥K+3-12
-4.5Round 3PODDAR DEVELOPERS182♥♥5-1-5
-5.0Round 8CONSUS POLAND233♠♦10-1-5
-5.8Round 2BEIJING LAWYERS123NT♥A-3-4
-7.3Round 7SHAOGUAN RENHUA163NT♠2+3-3
-7.4Round 5DONGFENG FENGSHEN53NT♣A-2-8
-8.1Round 8CONSUS POLAND223NT♥9+3-2
-9.9Round 4CHINA HYX246♦♠4-2-11
-13.3Round 6LORENTZ143♠x♦A+1-14
-14.7Round 4CHINA HYX236♣♥8=+2