DUFRAT Katarzyna · ROMAMIAMI

52rank
+15.1Butler · 28 bds
+0.54per board
±3.4swing
+0.18vs par /bd
+0.01adjusted /bd
Butler per round: 15.1 15.1by round

vs par split: bidding -0.29 · play +0.46

Strength of schedule: opponents averaged -0.53/bd (an easy draw) → opponent-adjusted +0.01/bd

Card play — on target: opening leads 66.7% · declarer play 71.4% · defence 81.8%

Card play by contract type — on target
vs NTvs a suit
Opening leads·66.7% (3)
Declarer play0.0% (1)83.3% (6)
Defence100.0% (1)80.0% (10)

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

vs par by strain: NT -0.71 (7) · a suit +0.48 (21)

vs par by level: part-score +2.07 (15) · game -1.27 (11) · slam -6.00 (2)

By role: declaring +0.25/bd (-1.71 vs par · 17) · defending +0.99/bd (+3.09 vs par · 11)

By vulnerability: vulnerable -0.16/bd (-0.21 vs par · 14) · not vulnerable +1.24/bd (+0.57 vs par · 14)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 64A.VersaceJ.Shih – P.WangClosed14-1.2-0.09-1.07
Round of 64A.VersaceC.Yeh – Y.ZhangClosed14+16.3+1.16+1.43

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
+8.1Round of 64YBM155♥x♠6-1+11
+6.3Round of 64YBM163NT♥6-1+10
+5.8Round of 64YBM226♥x♠A-6-1
+3.7Round of 64YBM242♠♦5=+6
+2.8Round of 64YBM71♥♦8+2+1
+2.7Round of 64YBM83♦♣A+2+13
+2.4Round of 64YBM194♦♥Q-1+4
+2.3Round of 64YBM114♥♦10=+3
+1.9Round of 64YBM272♠♦K=+0
+1.7Round of 64YBM142♥♠7-2-1
+1.7Round of 64YBM181NT♥4=+5
+1.6Round of 64YBM41NT♠A=-1
+1.2Round of 64YBM54♠♠3=-1
+1.2Round of 64YBM203NT♥9+3+1
+1.0Round of 64YBM11NT♥2=-2
+0.9Round of 64YBM33♦♥6=-1
+0.2Round of 64YBM234♠♦K+1+0
-0.0Round of 64YBM22♥♦3+1+0
+0.0Round of 64YBM63♠♥10+1+6
-0.8Round of 64YBM123NT♥J+1-11
-1.0Round of 64YBM172♥♠Q-1+2
-1.4Round of 64YBM286♣♦7+1-11
-2.8Round of 64YBM262♠♣A=+0
-3.5Round of 64YBM93NT♦8-2-7
-3.5Round of 64YBM102♠♣Q+1-1
-3.7Round of 64YBM215♣x♥A-1-6
-6.1Round of 64YBM254♥♦3+1-1
-7.6Round of 64YBM134♥♦9-2-13