YU Wenfei · SXPEONY

2rank
+39.1Butler · 24 bds
+1.63per board
±4.4swing
+2.38vs par /bd
+1.05adjusted /bd
Butler per round: 10.6 20.5 8by round

vs par split: bidding +1.96 · play +0.42

Strength of schedule: opponents averaged -0.58/bd (an easy draw) → opponent-adjusted +1.05/bd

Card play — on target: opening leads 83.3% · declarer play 75.0% · defence 92.9%

Card play by contract type — on target
vs NTvs a suit
Opening leads·83.3% (6)
Declarer play0.0% (1)100.0% (3)
Defence50.0% (2)100.0% (12)

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

vs par by strain: NT -1.00 (4) · a suit +3.05 (20)

vs par by level: part-score +3.40 (10) · game +1.64 (14)

By role: declaring +0.57/bd (-1.60 vs par · 10) · defending +2.39/bd (+5.21 vs par · 14)

By vulnerability: vulnerable +1.26/bd (+1.58 vs par · 12) · not vulnerable +2.00/bd (+3.17 vs par · 12)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2C.GeD.Molina – V.RomanOpen8+10.6+1.32+4.00
Round 6C.GeY.Yang – J.MaOpen8+20.5+2.56+2.12
Round 7C.GeV.Katanic – K.VujicClosed8+8.0+1.00+1.00

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
+8.3Round 7SERBIA184♠♣J-2+2
+7.4Round 2CHILE123♠♣5-2+13
+7.2Round 2CHILE164♣♥A-3+11
+7.0Round 6SXTULIP163NT♠5+2+1
+6.3Round 6SXTULIP103NT♥4-1+6
+5.7Round 6SXTULIP93♥♣Q+1+6
+5.7Round 7SERBIA214♠♥2=+7
+3.2Round 2CHILE113♥♣4+2+6
+2.9Round 6SXTULIP134♥♦K+1+0
+2.7Round 7SERBIA224♠♦10+2+11
+2.6Round 7SERBIA244♥♦K-1+4
+1.3Round 7SERBIA194♥♣A-1-5
+1.1Round 7SERBIA171♠♥7+1+0
+0.9Round 6SXTULIP144♥♣2-1+10
+0.6Round 2CHILE94♠♦6+1+0
+0.4Round 2CHILE134♠♥A+1+0
-0.0Round 6SXTULIP154♥♦A+1+0
-0.7Round 6SXTULIP112♥♠4+1+0
-1.2Round 2CHILE153♦♠3=+1
-1.6Round 6SXTULIP123♥♠8+1-6
-1.7Round 2CHILE143♣♥5=+1
-3.1Round 7SERBIA231NT♦3=+2
-5.3Round 2CHILE105♦♥A=+0
-10.6Round 7SERBIA203NT♦10-1-13