WILLENKEN Chris · USA 2 Mixed

65rank
+31.6Butler · 50 bds
+0.63per board
±4.7swing
+0.92vs par /bd
+0.58adjusted /bd
Butler per round: -3.7 1 25 8.4 0.9by round

vs par split: bidding +0.06 · play +0.86

Strength of schedule: opponents averaged -0.05/bd (an easy draw) → opponent-adjusted +0.58/bd

Card play — on target: opening leads 60.0% · declarer play 66.7% · defence 84.6%

Card play by contract type — on target
vs NTvs a suit
Opening leads33.3% (3)71.4% (7)
Declarer play100.0% (4)50.0% (8)
Defence77.8% (9)88.2% (17)

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

vs par by strain: NT +1.27 (15) · a suit +0.77 (35)

vs par by level: part-score -0.29 (21) · game +1.04 (26) · slam +8.33 (3)

By role: declaring +0.92/bd (+0.29 vs par · 24) · defending +0.37/bd (+1.50 vs par · 26)

By vulnerability: vulnerable +1.64/bd (+2.15 vs par · 26) · not vulnerable -0.46/bd (-0.42 vs par · 24)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 11H.BertensJ.Wei – G.ZhangOpen10-3.7-0.37-0.90
Round 12H.BertensB.Bramley – K.WoolseyOpen10+1.0+0.10+0.00
Round 13H.BertensP.Ravenna – M.ThomaClosed10+25.0+2.50+3.80
Round 14H.BertensG.Chen – Z.ZhuangClosed10+8.4+0.84-0.90
Round 15H.BertensJ.Chen – S.HuoClosed10+0.9+0.09+2.60

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
+13.2Round 13BRAZIL Mixed25♦x♠6-3+16
+12.4Round 13BRAZIL Mixed104♥x♦5=+12
+11.5Round 12USA 1 Seniors226♣♦A-1+14
+9.2Round 14CHINA Open124♠♣6-1+10
+6.1Round 11SANMING EDUCATION183♥♣J=+6
+5.6Round 13BRAZIL Mixed33NT♣3=-1
+5.6Round 14CHINA Open154♠♦2-1-2
+5.1Round 11SANMING EDUCATION154♠♦K=-1
+4.3Round 13BRAZIL Mixed54♥♦A=+11
+3.5Round 12USA 1 Seniors242NT♥10-1+9
+3.0Round 14CHINA Open142NT♣9-1+4
+2.8Round 15DALIAN AOXIN303NT♦3-1+5
+2.7Round 15DALIAN AOXIN213♥♣J=+0
+2.5Round 15DALIAN AOXIN283NT♥10+3+11
+2.4Round 14CHINA Open203♥♦A-1-1
+2.3Round 11SANMING EDUCATION202♥♠3-2+3
+1.9Round 14CHINA Open113NT♣6=-1
+1.8Round 15DALIAN AOXIN232♠♠2+1+1
+1.4Round 14CHINA Open132♠♥Q=+0
+1.3Round 12USA 1 Seniors284♥♦10+2-11
+1.3Round 15DALIAN AOXIN263♠♣A-2+10
+1.3Round 15DALIAN AOXIN274♠♣K-1+2
+1.2Round 11SANMING EDUCATION114♦♣5=-1
+1.0Round 12USA 1 Seniors292♠♣7=+1
+0.9Round 13BRAZIL Mixed43♣♥3-1+0
+0.5Round 15DALIAN AOXIN253NT♣4+1+0
+0.3Round 12USA 1 Seniors232♥♥9+1+0
+0.2Round 13BRAZIL Mixed73NT♥Q=-2
+0.2Round 15DALIAN AOXIN243NT♠2+2+0
+0.1Round 13BRAZIL Mixed93NT♠2+1-1
-1.2Round 11SANMING EDUCATION173♥♠2-1-8
-1.3Round 11SANMING EDUCATION144♣♣A=+0
-1.4Round 11SANMING EDUCATION123NT♠10+1+0
-1.7Round 12USA 1 Seniors256♦♣4+1+11
-1.7Round 14CHINA Open174♠♦10+1+0
-1.8Round 12USA 1 Seniors273♠♥J=-7
-2.4Round 14CHINA Open193♥♣2-1-4
-2.5Round 12USA 1 Seniors302♦♠A=-6
-3.1Round 14CHINA Open164♠x♥A-1-6
-3.5Round 13BRAZIL Mixed14♥♦Q=+0
-3.7Round 13BRAZIL Mixed64♠♥A-3+3
-3.8Round 11SANMING EDUCATION131NT♣J+2+0
-4.0Round 11SANMING EDUCATION193NT♦9=+0
-4.5Round 13BRAZIL Mixed86♦♣J=+0
-4.9Round 12USA 1 Seniors264♥♦Q-1-6
-5.7Round 12USA 1 Seniors211NT♠3=-5
-5.9Round 15DALIAN AOXIN223NT♦8=+0
-6.3Round 15DALIAN AOXIN294♥♣4=-3
-6.7Round 11SANMING EDUCATION164♣♠7-4-8
-7.9Round 14CHINA Open185♣x♣K-1-9