LUO Yifei · SX SWXH

28rank
-36.8Butler · 50 bds
-0.74per board
±4.0swing
+0.12vs par /bd · #18/34
-0.10adjusted /bd
Butler per round: 3 9.6 2.4 -14.4 -37.4by round

vs par split: bidding -0.48 · play +0.60

Strength of schedule: opponents averaged +0.64/bd (a tough draw) → opponent-adjusted -0.10/bd

Card play — on target: opening leads 66.7% #27 of 34 · declarer play 90.0% #3 of 34 · defence 75.0% #27 of 34

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (6)66.7% (9)
Declarer play80.0% (5)100.0% (5)
Defence72.7% (11)76.5% (17)

Opening leads by suit led: ♠ 66.7% (6) · ♥ 66.7% (3) · ♦ 100.0% (1) · ♣ 60.0% (5)

vs par by strain: NT -0.40 (20) · a suit +0.47 (30)

vs par by level: part-score -0.54 (26) · game +1.35 (20) · slam -1.75 (4)

By role: declaring -1.21/bd (-2.68 vs par · 22) · defending -0.36/bd (+2.32 vs par · 28)

By vulnerability: vulnerable -0.57/bd (-0.33 vs par · 24) · not vulnerable -0.89/bd (+0.54 vs par · 26)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2L.ShiC.Ge – H.JinClosed10+3.0+0.30-0.50
Round 3L.ShiW.Huang – Y.SunOpen10+9.6+0.96-0.10
Round 4L.ShiC.De Lutio – S.BroccolinoClosed10+2.4+0.24+3.50
Round 5L.ShiV.Roman – F.VillegasOpen10-14.4-1.44+0.80
Round 6L.ShiQ.Xia – L.HuClosed10-37.4-3.74-3.10

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
+7.8Round 4ITALIA106♠♣K-2+13
+6.6Round 2SX XHLD203NT♥5=-1
+6.6Round 5CHILE155♣♥4-1+13
+4.8Round 5CHILE193NT♣3=-2
+4.6Round 6CHINA RDFZ GIRLS224♠♦2+2+1
+4.2Round 4ITALIA23♠♣A-1+6
+4.0Round 3SX XNMF211NT♠4-2+3
+3.8Round 3SX XNMF253♠♥6=+1
+3.2Round 2SX XHLD145♠♦A+1+1
+3.0Round 2SX XHLD122NT♠5-1+6
+3.0Round 3SX XNMF243NT♠6-1+5
+3.0Round 5CHILE163NT♣7-2+6
+2.6Round 2SX XHLD153♦x♥A-3-5
+2.6Round 3SX XNMF283♠♥K+1-2
+2.2Round 3SX XNMF293♦♠9=-1
+1.4Round 4ITALIA12♦♥4=+5
+1.0Round 6CHINA RDFZ GIRLS253NT♦3+1+11
+0.6Round 3SX XNMF221NT♣10-1-1
+0.6Round 4ITALIA44♣♣3-3+8
+0.4Round 2SX XHLD181NT♥2=+5
+0.2Round 5CHILE144♠♣J+1+11
-0.0Round 4ITALIA32♦♦6-1+0
-0.2Round 3SX XNMF274♠♥4+1-1
-0.2Round 4ITALIA61NT♦9=-2
-0.6Round 3SX XNMF301NT♦3+3+2
-1.6Round 2SX XHLD163♥♣7-1-6
-1.8Round 5CHILE175♠♥A=+0
-1.8Round 6CHINA RDFZ GIRLS271NT♥J=-5
-2.2Round 2SX XHLD114♥♣5+1-1
-2.2Round 3SX XNMF264♠♥6=+0
-2.2Round 4ITALIA71NT♣7+2+0
-2.2Round 4ITALIA95♦♠5=+11
-2.4Round 4ITALIA83♠♣3=+1
-2.6Round 6CHINA RDFZ GIRLS216♥♠3+1+11
-2.8Round 2SX XHLD174♥♣Q+1-1
-2.8Round 2SX XHLD193♣♠8+1-1
-3.4Round 2SX XHLD131NT♠2-2-2
-3.4Round 5CHILE114♠♣K=+0
-3.4Round 6CHINA RDFZ GIRLS231NT♠2+2-1
-3.6Round 3SX XNMF233♣♠A+2-7
-3.6Round 6CHINA RDFZ GIRLS282♥♦3-2-5
-4.0Round 5CHILE182NT♥K+1+0
-4.6Round 4ITALIA53♦♠2+4-7
-5.2Round 5CHILE203NT♦5+1+0
-5.8Round 5CHILE131NT♦5=-6
-6.6Round 6CHINA RDFZ GIRLS304♠♦8=+0
-6.8Round 6CHINA RDFZ GIRLS263NT♦7-1-12
-8.8Round 5CHILE124♥♦Q+3-14
-8.8Round 6CHINA RDFZ GIRLS246NT♠J-2-14
-9.4Round 6CHINA RDFZ GIRLS296♠♠8-3-17