🇭🇰 ZEN Derek · CHINA HONG KONG

90rank
-79.3Butler · 64 bds
-1.24per board
±3.4swing
-0.23vs par /bd
-0.75adjusted /bd
Butler per round: -79.3 -79.3 -79.3 -79.3by round

vs par split: bidding +0.29 · play -0.57

Strength of schedule: opponents averaged +0.49/bd (a tough draw) → opponent-adjusted -0.75/bd

Card play — on target: opening leads 68.4% · declarer play 75.0% · defence 87.1%

Card play by contract type — on target
vs NTvs a suit
Opening leads71.4% (7)66.7% (12)
Declarer play80.0% (5)73.7% (19)
Defence77.8% (9)90.9% (22)

Opening leads by suit led: ♠ 50.0% (4) · ♥ 100.0% (5) · ♦ 80.0% (5) · ♣ 40.0% (5)

vs par by strain: NT +0.82 (17) · a suit -0.70 (46)

vs par by level: part-score -0.89 (28) · game +0.21 (33) · slam +0.00 (2)

By role: declaring -1.17/bd (-3.03 vs par · 32) · defending -1.31/bd (+2.56 vs par · 32)

By vulnerability: vulnerable -1.62/bd (-0.66 vs par · 32) · not vulnerable -0.86/bd (+0.19 vs par · 32)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16S.WanR.Milner – H.LallOpen16-4.5-0.28-0.06
Round of 16S.WanJ.Meckstroth – Z.MahmoodOpen16-34.0-2.12-1.19
Round of 16S.WanB.Hamman – C.MartelOpen16-29.8-1.86+0.50
Round of 16S.WanB.Hamman – C.MartelClosed16-11.0-0.69-0.19

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
+8.8Round of 16🇺🇸 USA813NT♥4-4+12
+3.8Round of 16🇺🇸 USA521♠♥10+3+10
+3.7Round of 16🇺🇸 USA912♣♥Q-2+5
+3.3Round of 16🇺🇸 USA133♥♣10+1-1
+3.3Round of 16🇺🇸 USA283♥♣A=+0
+1.9Round of 16🇺🇸 USA882♠♦2=+5
+1.7Round of 16🇺🇸 USA324♠♦A+2+1
+1.7Round of 16🇺🇸 USA552♣♦K=-1
+1.6Round of 16🇺🇸 USA863NT♥Q=+0
+1.4Round of 16🇺🇸 USA254♠♦7-1+5
+1.3Round of 16🇺🇸 USA53NT♠2+2+12
+1.1Round of 16🇺🇸 USA91NT♠4+1+1
+1.0Round of 16🇺🇸 USA923NT♦4=+0
+0.9Round of 16🇺🇸 USA104♥♠5=+0
+0.9Round of 16🇺🇸 USA153♣♦Q+1+0
+0.9Round of 16🇺🇸 USA855♦♠3-1+5
+0.9Round of 16🇺🇸 USA874♣♦Q=+0
+0.9Round of 16🇺🇸 USA944♥♦4+2+1
+0.8Round of 16🇺🇸 USA164♠♦Q=+0
+0.7Round of 16🇺🇸 USA603NT♦6+3-10
+0.6Round of 16🇺🇸 USA83♥♠Q-1-4
+0.6Round of 16🇺🇸 USA123NT♥K=+1
+0.4Round of 16🇺🇸 USA115♦♠10+1+0
+0.4Round of 16🇺🇸 USA563♦♦5+2+7
+0.3Round of 16🇺🇸 USA275♥♠5=+0
+0.3Round of 16🇺🇸 USA514♥♦K=+8
-0.0Round of 16🇺🇸 USA1Pass+3
-0.1Round of 16🇺🇸 USA64♠♥A+1+4
-0.1Round of 16🇺🇸 USA264♥♣5+1-1
-0.2Round of 16🇺🇸 USA24♠♥3+2-11
-0.3Round of 16🇺🇸 USA961NT♥2+1+0
-0.4Round of 16🇺🇸 USA293NT♣K+1+0
-0.7Round of 16🇺🇸 USA623NT♥Q+3+11
-0.7Round of 16🇺🇸 USA955♦♠A-1+5
-0.8Round of 16🇺🇸 USA175♦♠3=+0
-1.2Round of 16🇺🇸 USA572♥♣K+1+6
-1.2Round of 16🇺🇸 USA931♠♣Q=-1
-1.3Round of 16🇺🇸 USA614♥♠10=+1
-1.4Round of 16🇺🇸 USA544♦♠6=-5
-1.6Round of 16🇺🇸 USA144♠♦A=+0
-1.6Round of 16🇺🇸 USA221NT♥10=-11
-2.1Round of 16🇺🇸 USA213♥♦2-1-4
-2.3Round of 16🇺🇸 USA532♠♥9+1+0
-2.6Round of 16🇺🇸 USA41NT♦4-1-5
-2.6Round of 16🇺🇸 USA632♣♠4=-5
-2.9Round of 16🇺🇸 USA243♦♦4=+0
-2.9Round of 16🇺🇸 USA592NT♥2+3+5
-3.1Round of 16🇺🇸 USA186NT♠2+1+13
-3.3Round of 16🇺🇸 USA194♥♠A+1+0
-3.5Round of 16🇺🇸 USA903♦♣Q=-6
-3.9Round of 16🇺🇸 USA645♦♠K=+11
-4.0Round of 16🇺🇸 USA493♦♥4+2-7
-4.3Round of 16🇺🇸 USA34♥♣A-1-10
-4.4Round of 16🇺🇸 USA832♥♠3=-6
-4.4Round of 16🇺🇸 USA841NT♣4-1-5
-4.7Round of 16🇺🇸 USA505♦♣K-1-10
-4.9Round of 16🇺🇸 USA303NT♦9=+0
-5.6Round of 16🇺🇸 USA73♦♥K+1+9
-5.9Round of 16🇺🇸 USA204♠♦J-1-12
-6.5Round of 16🇺🇸 USA314♥♦6=+0
-7.2Round of 16🇺🇸 USA824♥♣Q-1-6
-9.0Round of 16🇺🇸 USA892♥♦A-5-12
-9.1Round of 16🇺🇸 USA233NT♣K+1-10
-11.7Round of 16🇺🇸 USA586♠♣6-2-13