VISSER Esther · SCREWDRIVER

12rank
+40.8Butler · 72 bds
+0.57per board
±4.8swing
+1.14vs par /bd · #6/46
+0.56adjusted /bd
Butler per round: 18.7 4.1 -31.4 9.8 18.1 14 -9.2 5.6 11.1by round

vs par split: bidding +0.74 · play +0.41

Strength of schedule: opponents averaged -0.00/bd (an average draw) → opponent-adjusted +0.56/bd

Card play — on target: opening leads 86.4% #14 of 46 · declarer play 66.7% #31 of 46 · defence 89.7% #4 of 46

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (4)94.4% (18)
Declarer play40.0% (5)76.9% (13)
Defence76.9% (13)96.2% (26)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (4) · ♦ 60.0% (5) · ♣ 90.9% (11)

vs par by strain: NT -0.52 (21) · a suit +1.88 (49)

vs par by level: part-score +1.70 (20) · game +1.64 (47) · slam -10.00 (3)

By role: declaring +0.44/bd (-1.81 vs par · 31) · defending +0.62/bd (+3.35 vs par · 40)

By vulnerability: vulnerable +0.34/bd (+0.25 vs par · 36) · not vulnerable +0.79/bd (+2.03 vs par · 36)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1L.CovillV.Dalpozzo – F.DalpozzoOpen8+18.7+2.34-0.12
Round 2L.CovillS.Sjodal – A.KjensliOpen8+4.1+0.51+3.75
Round 3L.CovillY.Chen – X.RuanOpen8-31.4-3.92-3.50
Round 4L.CovillS.Baldysz – J.ZalewskaOpen8+9.8+1.23+1.00
Round 5L.CovillA.Ovuka – T.MilutinovicOpen8+18.1+2.26+5.25
Round 6L.CovillC.Zhao – Y.ZhaoClosed8+14.0+1.75+1.50
Round 7L.CovillD.Molina – V.RomanClosed8-9.2-1.15-1.25
Round 8L.CovillY.Zhao – X.BiClosed8+5.6+0.70+3.25
Round 9L.CovillY.Wu – J.MaOpen8+11.1+1.39+0.38

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 4POLAND GIRLS315♣x♥A-4+4
+9.8Round 9SXTULIP44♥♠J=+3
+7.6Round 9SXTULIP53NT♦10-2+13
+6.8Round 1ITALIA44♠♣2=+3
+6.8Round 5SERBIA84♥♣3-1+4
+6.6Round 5SERBIA14♥♦J=+7
+6.3Round 6ZHIHAOLE103NT♥4-1+6
+6.2Round 6ZHIHAOLE114♥♣J=+7
+6.1Round 8SXDAISY323NT♥6-1+5
+6.0Round 8SXDAISY314♠♥5-2+13
+5.8Round 5SERBIA54♠♦2+2+13
+5.7Round 7CHILE214♠♥2=+7
+5.3Round 4POLAND GIRLS303NT♣5=-2
+5.2Round 8SXDAISY272NT♣6-1+5
+5.1Round 2SOFIES WORLD123NT♣7-1+13
+5.0Round 4POLAND GIRLS262♥♥Q=+5
+4.8Round 1ITALIA74♠♣A-1+6
+4.4Round 6ZHIHAOLE124♥♠8=+0
+4.3Round 9SXTULIP83♠♠3-1+5
+3.4Round 1ITALIA14♥♦A-1+4
+3.1Round 3SXPEONY214♥♠J-3+4
+3.0Round 6ZHIHAOLE144♥♣2-2+11
+3.0Round 8SXDAISY255♠♥A=+0
+2.9Round 6ZHIHAOLE134♥♦K+1+0
+2.7Round 7CHILE224♠♣6+2+11
+2.4Round 1ITALIA26♥♥2=+0
+2.4Round 2SOFIES WORLD14Adj♠10+4
+2.2Round 5SERBIA33NT♣J+3+14
+2.2Round 5SERBIA41NT♦7=+0
+2.0Round 3SXPEONY232♥♦3-1+6
+1.8Round 1ITALIA33♣♣4+1+0
+1.6Round 4POLAND GIRLS322NT♠4=+9
+1.4Round 2SOFIES WORLD104♥♣Q-3+7
+1.3Round 7CHILE194♥♣A-1-5
+0.6Round 4POLAND GIRLS252♥♠6+1+0
+0.4Round 2SOFIES WORLD134♠♥K+1+0
+0.4Round 7CHILE243♦♥5-1+2
+0.4Round 8SXDAISY292♠♣3+1+10
+0.3Round 1ITALIA52♥♥5+1+0
+0.2Round 1ITALIA84♠♦10-1-4
+0.2Round 2SOFIES WORLD163♠♥Q=+7
-0.0Round 3SXPEONY241♠♠8-1+2
-0.0Round 6ZHIHAOLE154♥♦3+1+0
-0.0Round 8SXDAISY264♠♥10=+0
-0.2Round 5SERBIA23♣♦2-1+2
-0.6Round 2SOFIES WORLD94♠♥2=-1
-0.6Round 5SERBIA63NT♠Q=+11
-0.7Round 9SXTULIP63NT♣10+2+0
-0.8Round 9SXTULIP33NT♠5-1-12
-1.0Round 1ITALIA63♦♣5=-10
-1.0Round 3SXPEONY221♠♠5+1+0
-1.0Round 6ZHIHAOLE94♥♣Q=+0
-1.1Round 4POLAND GIRLS274♥♦K=+0
-1.4Round 2SOFIES WORLD152NT♣4=+0
-2.3Round 7CHILE17Pass-3
-2.4Round 9SXTULIP72♥♠10=+0
-3.0Round 9SXTULIP14♥♠6-3+4
-3.4Round 2SOFIES WORLD114♥♣4+1+0
-3.4Round 7CHILE232♥♣4=+1
-3.7Round 9SXTULIP23NT♣K-1-10
-4.7Round 5SERBIA73NT♠3-3-9
-5.3Round 4POLAND GIRLS293NT♥2+2-1
-5.4Round 8SXDAISY304♠♦6=-3
-5.9Round 7CHILE202NT♠3+3-10
-6.1Round 3SXPEONY174♠♣K+1+0
-6.8Round 3SXPEONY203NT♦Q+1-10
-7.2Round 4POLAND GIRLS284♠♦Q=-7
-7.7Round 7CHILE184♠♣6=-13
-7.8Round 6ZHIHAOLE163NT♠5-1-12
-8.6Round 3SXPEONY196♠x♣9-1-13
-9.7Round 8SXDAISY283NT♣K+2-4
-14.0Round 3SXPEONY187NT♥10-1-17