KOTOROWICZ Krzysztof · BRIDGESCANNER

21rank
+7.7Butler · 14 bds
+0.55per board
±3.8swing
-0.43vs par /bd
+0.17adjusted /bd
by round

vs par split: bidding +0.36 · play -0.79

Strength of schedule: opponents averaged -0.38/bd (an easy draw) → opponent-adjusted +0.17/bd

Card play — on target: opening leads 75.0% · declarer play 60.0% · defence 75.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads0.0% (1)100.0% (3)
Declarer play0.0% (2)100.0% (3)
Defence50.0% (2)83.3% (6)

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

vs par by strain: NT -4.00 (4) · a suit +1.00 (10)

vs par by level: part-score -1.75 (4) · game +1.75 (8) · slam -6.50 (2)

By role: declaring +0.50/bd (-3.33 vs par · 6) · defending +0.59/bd (+1.75 vs par · 8)

By vulnerability: vulnerable +1.03/bd (-1.43 vs par · 7) · not vulnerable +0.07/bd (+0.57 vs par · 7)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32K.AraszkiewiczS.Liu – X.ChenOpen14+7.7+0.55-0.43

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
+10.6Round of 32DONGFENG FENGSHEN244♠x♣K-3+12
+5.0Round of 32DONGFENG FENGSHEN284♠♥5-2+5
+3.1Round of 32DONGFENG FENGSHEN236♠♦5=+0
+2.6Round of 32DONGFENG FENGSHEN266NT♣J=-13
+2.2Round of 32DONGFENG FENGSHEN253♥♦9=+0
-0.1Round of 32DONGFENG FENGSHEN204♠♠5=+0
-0.2Round of 32DONGFENG FENGSHEN273NT♥5=-1
-0.5Round of 32DONGFENG FENGSHEN154♠♣5=+0
-0.5Round of 32DONGFENG FENGSHEN225♣♠6=-1
-0.7Round of 32DONGFENG FENGSHEN212♥♦K=-1
-2.2Round of 32DONGFENG FENGSHEN182NT♦4+1-1
-3.6Round of 32DONGFENG FENGSHEN174♠♥2+1+0
-3.8Round of 32DONGFENG FENGSHEN193NT♣5+3-1
-4.2Round of 32DONGFENG FENGSHEN162♥♦K-1-5