DUFRAT Katarzyna · POLAND LADIES

262rank
+1.1Butler · 40 bds
+0.03per board
±5.2swing
+1.12vs par /bd
-0.05adjusted /bd
Butler per round: -12.6 6.4 4.7 2.6by round

vs par split: bidding +1.18 · play -0.05

Strength of schedule: opponents averaged -0.08/bd (an easy draw) → opponent-adjusted -0.05/bd

Card play — on target: opening leads 76.9% · declarer play 87.5% · defence 79.2%

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (2)81.8% (11)
Declarer play100.0% (2)83.3% (6)
Defence80.0% (5)78.9% (19)

Opening leads by suit led: ♠ 66.7% (3) · ♥ 80.0% (5) · ♦ 66.7% (3) · ♣ 100.0% (2)

vs par by strain: NT -3.10 (10) · a suit +2.53 (30)

vs par by level: part-score +1.17 (12) · game +0.75 (24) · slam +3.25 (4)

By role: declaring +0.84/bd (-1.38 vs par · 16) · defending -0.52/bd (+2.79 vs par · 24)

By vulnerability: vulnerable -0.22/bd (+0.39 vs par · 18) · not vulnerable +0.23/bd (+1.73 vs par · 22)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 11J.TaczewskaJ.Bian – C.FanOpen10-12.6-1.26-0.10
Round 12J.TaczewskaD.Lindop – R.LebiOpen10+6.4+0.64-1.50
Round 14J.TaczewskaP.Lavings – R.KrochmalikOpen10+4.7+0.47+3.60
Round 15J.TaczewskaJ.Smith – P.ThurstonOpen10+2.6+0.26+2.50

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
+10.9Round 12CANALIENS264♠♦A=+13
+9.1Round 11CHINA HYX133♦♠J-1+12
+8.9Round 15CANADA OPEN254♥x♦2-3+9
+7.9Round 14OZZIES115♣x♠K-2+15
+7.5Round 14OZZIES185♣♠A-1+13
+6.4Round 14OZZIES165♥♣A=+8
+5.1Round 12CANALIENS306♠♠6=+0
+4.8Round 14OZZIES153♠♥K=+10
+4.6Round 15CANADA OPEN293NT♠3-2+8
+3.2Round 12CANALIENS233NT♣9+3-12
+3.1Round 12CANALIENS212♦x♣K-1+2
+2.4Round 15CANADA OPEN285♦x♠J-3+14
+2.0Round 11CHINA HYX113NT♠4+2-10
+1.8Round 11CHINA HYX164♥♦A=+0
+1.7Round 14OZZIES122♠♥3+1+10
+0.6Round 15CANADA OPEN213♥♠3-1+3
+0.5Round 15CANADA OPEN245♥♦K=+0
+0.4Round 12CANALIENS277♣♥2=+2
+0.1Round 14OZZIES144♠♥4+2+8
-0.1Round 11CHINA HYX196♣♥A=+11
-0.1Round 15CANADA OPEN303NT♦3+2+1
-0.6Round 12CANALIENS254♥♠A=+0
-0.7Round 14OZZIES133NT♥J+1-1
-0.9Round 12CANALIENS284♥♦A+2-11
-1.0Round 14OZZIES171NT♠6-2+0
-1.1Round 11CHINA HYX142♠♣9=+0
-1.6Round 12CANALIENS223♦♥2+1+0
-1.9Round 15CANADA OPEN234♠♣3-2-8
-2.0Round 11CHINA HYX124♥♦Q+1+0
-2.4Round 15CANADA OPEN271♥♥3=+1
-3.2Round 15CANADA OPEN263NTx♦5-1-2
-4.1Round 11CHINA HYX152♦♣4+2-1
-4.1Round 11CHINA HYX204♥♠2=-3
-5.1Round 11CHINA HYX173♣♦8-1-10
-5.4Round 12CANALIENS245♦x♣A-2-9
-6.8Round 15CANADA OPEN223NT♠J+1-1
-7.8Round 12CANALIENS296♦♥8=+0
-9.0Round 11CHINA HYX183NT♠3+1+0
-10.2Round 14OZZIES193NT♣6-1-14
-11.8Round 14OZZIES202♠x♦Q=-13