LIU Ning · CHINA FINANCE BRIDGE ASSOCIATI

175rank
+24.5Butler · 49 bds
+0.50per board
±4.9swing
-0.27vs par /bd · #304/579
+0.58adjusted /bd
Butler per round: -5.4 35.4 -7.2 -5.7 3.4 2.2 1.8by round

vs par split: bidding +0.12 · play -0.39

Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted +0.58/bd

Card play — on target: opening leads 62.5% #499 of 579 · declarer play 58.3% #486 of 579 · defence 84.2% #365 of 579

Card play by contract type — on target
vs NTvs a suit
Opening leads25.0% (4)100.0% (4)
Declarer play50.0% (2)60.0% (10)
Defence75.0% (8)90.9% (11)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 50.0% (2) · ♦ 0.0% (1) · ♣ 66.7% (3)

vs par by strain: NT +0.33 (15) · a suit -0.53 (34)

vs par by level: part-score -0.23 (17) · game -0.04 (25) · slam -1.14 (7)

By role: declaring +0.72/bd (-3.07 vs par · 30) · defending +0.16/bd (+4.16 vs par · 19)

By vulnerability: vulnerable +1.92/bd (+0.29 vs par · 24) · not vulnerable -0.86/bd (-0.80 vs par · 25)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2F.YuR.Welland – S.AukenOpen7-5.4-0.77-1.86
Round 3H.HuangG.Bilski – R.SpeiserOpen7+35.4+5.06+1.43
Round 4F.YuJ.Carroll – T.HanlonClosed7-7.2-1.03+4.14
Round 5F.YuS.Penfold – N.SeniorClosed7-5.7-0.81-1.00
Round 6F.YuF.Murgia – M.BaldiClosed7+3.4+0.49-3.00
Round 7H.HuangZ.Shi – C.JuClosed7+2.2+0.31+2.14
Round 8H.HuangL.Wang – Y.GongOpen7+1.8+0.26-3.71

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
+13.6Round 3BILSKI196♠♣J=-13
+12.4Round 7CHINA OPN(A)206♠♣10=+0
+8.0Round 2VENTIN106NT♦10-1+12
+8.0Round 8KUNMING LIJIAN284♥♦A=+0
+7.6Round 3BILSKI215♠♥J+1+17
+6.5Round 6ITALIA124♥♠7=+0
+5.5Round 5PENFOLD43NT♣3=-1
+4.6Round 4ROSENTHAL236NT♥J-2+17
+4.1Round 3BILSKI153♦♣8+1+6
+3.7Round 3BILSKI163NT♣J+4+10
+3.1Round 2VENTIN95♣♦K=+0
+3.1Round 7CHINA OPN(A)183NT♥5-2+6
+3.0Round 3BILSKI203NT♠6+1-12
+2.9Round 6ITALIA93NT♣2+3-12
+2.9Round 8KUNMING LIJIAN274♠x♣6-1+0
+2.2Round 3BILSKI173♥♦K=+0
+2.1Round 4ROSENTHAL274♣♣8+2+6
+2.0Round 8KUNMING LIJIAN254♠x♠8-3-3
+2.0Round 8KUNMING LIJIAN263NT♠2=+0
+1.8Round 6ITALIA133♠♥A+1+1
+1.2Round 3BILSKI182♣♥9-1+2
+1.2Round 6ITALIA102♠♠K+1+0
+1.1Round 2VENTIN134♥♥4+1+0
+1.0Round 5PENFOLD74♠♦2=+0
+0.4Round 5PENFOLD52♥♣A+1+0
+0.4Round 7CHINA OPN(A)193♦♠A=-1
+0.3Round 7CHINA OPN(A)172♠♦5+2+1
+0.0Round 4ROSENTHAL222♥♦K+1+0
-0.4Round 8KUNMING LIJIAN231NT♦6+1+0
-0.7Round 4ROSENTHAL265♦♠7+2+13
-0.9Round 4ROSENTHAL253NT♣4+3+12
-1.2Round 6ITALIA114♠♥A-2+1
-1.6Round 5PENFOLD23♥♣J+1-1
-1.9Round 5PENFOLD33NT♠J-2-6
-2.1Round 2VENTIN123♥♠A=+0
-2.6Round 5PENFOLD13NT♥4+1-1
-2.6Round 7CHINA OPN(A)213♠♣3=+0
-3.2Round 2VENTIN143♠♦K-2-5
-3.3Round 2VENTIN82♠♣8+1-6
-3.5Round 4ROSENTHAL283NT♣4-2-8
-3.6Round 6ITALIA84♣♦J=-7
-4.0Round 8KUNMING LIJIAN226♦♥9-1-12
-4.2Round 6ITALIA145♥♠A=-4
-5.3Round 7CHINA OPN(A)154♥x♦J-2+10
-6.1Round 7CHINA OPN(A)163NT♦A+1-1
-6.5Round 5PENFOLD67♣♠10=+2
-8.7Round 8KUNMING LIJIAN245♥♠A-1-11
-8.8Round 4ROSENTHAL243NT♠5-1-11
-9.0Round 2VENTIN116♦♣5-1-14