LU Yan · CHINA LADIES

21rank
+22.4Butler · 50 bds
+0.45per board
±4.1swing
+0.84vs par /bd · #9/84
+0.35adjusted /bd
Butler per round: 1.2 17.3 8.8 -1.4 -3.5by round

vs par split: bidding +0.14 · play +0.70

Strength of schedule: opponents averaged -0.10/bd (an easy draw) → opponent-adjusted +0.35/bd

Card play — on target: opening leads 87.5% #14 of 84 · declarer play 83.3% #16 of 84 · defence 88.9% #19 of 84

Card play by contract type — on target
vs NTvs a suit
Opening leads71.4% (7)100.0% (9)
Declarer play100.0% (4)75.0% (8)
Defence91.7% (12)86.7% (15)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 83.3% (6) · ♦ 100.0% (7) · ♣ 100.0% (1)

vs par by strain: NT +2.37 (19) · a suit -0.10 (31)

vs par by level: part-score -0.32 (22) · game +1.96 (25) · slam +0.00 (3)

By role: declaring +1.17/bd (-1.17 vs par · 23) · defending -0.17/bd (+2.56 vs par · 27)

By vulnerability: vulnerable +0.98/bd (+1.16 vs par · 25) · not vulnerable -0.08/bd (+0.52 vs par · 25)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.LiuC.Baldysz – Z.BaldyszOpen10+1.2+0.12-2.00
Round 3Y.LiuJ.Weingold – M.OneillOpen10+17.3+1.73+4.30
Round 6Y.LiuA.Simons – J.PasmanOpen10+8.8+0.88-1.10
Round 7Y.LiuJ.Stansby – D.RosenbergClosed10-1.4-0.14+3.60
Round 8Y.LiuY.Wiseman – N.SmithClosed10-3.5-0.35-0.60

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
+10.3Round 6NETHERLANDS WOMEN103NT♠2=+10
+10.0Round 6NETHERLANDS WOMEN86♣♥A=-11
+7.6Round 7JOEL164♠x♦A-2+12
+5.9Round 3STRUL73NT♣Q-2+13
+5.2Round 1POLAND101NT♦Q+1+0
+5.1Round 3STRUL103NT♥2-2+3
+4.5Round 7JOEL151NTx♦J-1+0
+4.4Round 7JOEL125♦♥3-1+10
+4.0Round 3STRUL44♥♠10-1+6
+3.5Round 8SMITH303NT♥5-1+10
+3.1Round 1POLAND92♦x♥A-1+3
+3.1Round 6NETHERLANDS WOMEN51NT♠2+4-3
+2.9Round 3STRUL33NT♦J-1+12
+2.9Round 3STRUL84♠♠8=+7
+2.5Round 8SMITH271NT♠3+1+0
+2.3Round 1POLAND73♣♥6+1+0
+2.2Round 3STRUL53NT♥9+3+1
+2.2Round 7JOEL204♠♥J+1+0
+1.6Round 1POLAND81NT♥K+1+1
+1.3Round 7JOEL131♠♥K=+5
+1.1Round 1POLAND31NT♦Q=-2
+0.9Round 1POLAND43♦♥K=-10
+0.9Round 1POLAND63♦♥5=+0
+0.7Round 6NETHERLANDS WOMEN44♥♣A=+3
+0.1Round 1POLAND13♦♣A=+5
+0.1Round 3STRUL92♠♣7+2+1
+0.1Round 6NETHERLANDS WOMEN74♥♦J+1+0
+0.1Round 8SMITH281NT♥Q=+1
+0.0Round 8SMITH233NT♥2+1+0
-0.1Round 8SMITH252♣x♣A-1-6
-0.3Round 3STRUL63NT♠2=+0
-0.4Round 8SMITH262♥♦Q+1+0
-0.9Round 8SMITH244♥♦5=+1
-1.0Round 7JOEL114♥♣A+1-11
-1.2Round 6NETHERLANDS WOMEN24♥♦K=+1
-1.2Round 8SMITH213NT♠6+1-1
-1.3Round 6NETHERLANDS WOMEN15♣x♦9-1-5
-1.4Round 6NETHERLANDS WOMEN62♠♦A-1-1
-1.7Round 6NETHERLANDS WOMEN93♠♦Q-2-5
-2.5Round 3STRUL21NT♥6+1+7
-3.0Round 3STRUL13NT♠8=-7
-3.0Round 8SMITH293♣♥J=+0
-3.5Round 7JOEL192♥♣8=+9
-3.7Round 1POLAND54♥♠8-1-5
-4.0Round 8SMITH224♠x♥8-1-11
-5.3Round 7JOEL144♠♠3-2+0
-5.6Round 7JOEL183NT♦Q+2+0
-6.0Round 7JOEL176♣♦9+1+11
-9.8Round 6NETHERLANDS WOMEN36♥♦A=+0
-10.3Round 1POLAND22♠♦5=-12