ZOU Kai · CHINA OPEN 2

517rank
-26.5Butler · 84 bds
-0.32per board
±4.7swing
-0.35vs par /bd · #461/675
-0.26adjusted /bd
Butler per round: 15 -16.6 -21.4 7.2 8.1 -18.8by round

vs par split: bidding -0.05 · play -0.30

Strength of schedule: opponents averaged +0.05/bd (a tough draw) → opponent-adjusted -0.26/bd

Card play — on target: opening leads 66.7% #552 of 675 · declarer play 88.9% #55 of 675 · defence 85.7% #356 of 675

Bidding activity — not a pass: 41.6% #433 of 675 (89/214)

Card play by contract type — on target
vs NTvs a suit
Opening leads85.7% (7)54.5% (11)
Declarer play71.4% (7)100.0% (11)
Defence71.4% (14)92.9% (28)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 50.0% (4) · ♦ 50.0% (2) · ♣ 66.7% (6)

vs par by strain: NT -0.67 (30) · a suit -0.17 (54)

vs par by level: part-score +1.40 (25) · game -1.81 (52) · slam +4.29 (7)

By role: declaring +0.44/bd (-2.90 vs par · 42) · defending -1.07/bd (+2.21 vs par · 42)

By vulnerability: vulnerable +0.45/bd (+0.57 vs par · 42) · not vulnerable -1.08/bd (-1.26 vs par · 42)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1X.GaoT.Ozbay – O.CasurClosed14+15.0+1.07+2.57
Round 3X.GaoM.Sezer – M.OncelClosed14-16.6-1.19-1.86
Round 4X.GaoS.Mukherjee – R.TewariClosed14-21.4-1.53-2.07
Round 6X.GaoH.Ozdemir – B.BaskanClosed14+7.2+0.51+1.29
Round 7X.GaoM.Szczerczak – P.KlapperOpen14+8.1+0.58+0.71
Round 8X.GaoK.Bathurst – J.HurdOpen14-18.8-1.34-2.71

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
+8.5Round 7MAGIC134♣♥A=+7
+8.4Round 4FORMIDABLES233NT♦J=+0
+8.4Round 6AVIXA263NT♥6=+3
+8.0Round 1KUPCLUB34♥♦T-2+8
+7.9Round 1KUPCLUB63♥♠3=+6
+7.6Round 1KUPCLUB133NT♣9-1+6
+7.6Round 6AVIXA184♥♠A-1+14
+5.4Round 1KUPCLUB53NT♠9-2+6
+5.2Round 7MAGIC73NT♣4=-2
+4.9Round 1KUPCLUB123♥♦K=+7
+4.8Round 7MAGIC144♣♠6+1+7
+4.2Round 6AVIXA282♠♥5-4+2
+3.9Round 8SILVER SURFERS264♥♠3+2+1
+3.8Round 4FORMIDABLES262NT♥A+1+10
+3.8Round 7MAGIC101NT♣6=+11
+3.7Round 3TURKON132♥♥3+1+1
+3.7Round 6AVIXA176♦♠2-1+8
+3.6Round 7MAGIC93NT♥A-2+7
+3.3Round 3TURKON72♣♠A=+5
+3.0Round 8SILVER SURFERS214♠♥4=+3
+2.8Round 3TURKON53NT♥5=-1
+2.7Round 1KUPCLUB144♠♣K-2+5
+2.7Round 8SILVER SURFERS203NT♣9+2+0
+2.6Round 6AVIXA243NT♥8=+0
+2.3Round 4FORMIDABLES252♠♣J+1+0
+2.1Round 1KUPCLUB84♠♥K-1+5
+2.1Round 3TURKON66♦♠6-3+4
+1.8Round 1KUPCLUB13NT♠6-2+5
+1.4Round 3TURKON144♥♦A=+3
+1.4Round 4FORMIDABLES284♠♥J+1+0
+1.0Round 3TURKON13NT♥J=+0
+1.0Round 4FORMIDABLES212♣♥2-1+4
+0.7Round 6AVIXA193NT♠2+2+1
+0.7Round 6AVIXA223NT♥4+2+0
+0.6Round 6AVIXA214♣♠2-1+1
+0.4Round 4FORMIDABLES163NT♥5=-1
+0.3Round 3TURKON123♦♣6-1+4
+0.2Round 6AVIXA233NT♣Q+1+1
+0.2Round 7MAGIC14♠♥6+1+0
+0.2Round 8SILVER SURFERS233♠♣T+1+1
+0.1Round 8SILVER SURFERS244♥♦6=-1
-0.0Round 3TURKON116♣♣3+1+11
+0.0Round 7MAGIC63♣♣7+1+0
-0.2Round 3TURKON34♥♦K+1-11
-0.3Round 7MAGIC53♠♦K=+0
-0.8Round 1KUPCLUB23♣♠K+2-11
-0.8Round 4FORMIDABLES273NT♠J=+0
-0.8Round 7MAGIC25♦♣4+2+10
-0.8Round 8SILVER SURFERS164♥♣Q+2-11
-1.0Round 1KUPCLUB114♠♥J=+1
-1.0Round 4FORMIDABLES153NT♠J=+1
-1.0Round 8SILVER SURFERS152♠♦7+1-1
-1.2Round 7MAGIC34♠♦J-1+2
-1.6Round 6AVIXA252NT♥3-1-5
-1.9Round 6AVIXA156♦x♣K-2+5
-2.0Round 3TURKON83♣♥3=+0
-2.1Round 1KUPCLUB46♠♣6+1+13
-2.1Round 6AVIXA275♦♥A+1-11
-2.1Round 8SILVER SURFERS224♠♦T=+0
-2.2Round 7MAGIC83NT♠7-1-5
-2.4Round 3TURKON102♠♥5+1-10
-2.4Round 4FORMIDABLES185♦♥T+1-13
-2.5Round 4FORMIDABLES244♠♣5-1-10
-2.5Round 8SILVER SURFERS252♥♣6-1-4
-2.6Round 6AVIXA202♥♥5+2+10
-3.1Round 7MAGIC115♣♥K-1-5
-3.1Round 8SILVER SURFERS174♥x♣6-2-11
-3.1Round 8SILVER SURFERS182NT♣T=+0
-3.4Round 7MAGIC44♠♣A-1-12
-4.1Round 4FORMIDABLES173NT♥4+2+0
-4.3Round 8SILVER SURFERS193NT♥6-2-6
-4.4Round 3TURKON24♠♣5-2-12
-4.5Round 8SILVER SURFERS273NT♦T-2-9
-6.2Round 1KUPCLUB94♥♠3=-3
-6.5Round 1KUPCLUB103NT♦4-1-12
-6.8Round 4FORMIDABLES203NT♣Q-2-8
-7.0Round 7MAGIC123♠♠7-3-10
-7.3Round 8SILVER SURFERS287♠♠6=+0
-8.8Round 1KUPCLUB74♠♥3=+0
-9.5Round 4FORMIDABLES193NT♦A=+0
-9.6Round 3TURKON44♥♠A=-10
-11.6Round 4FORMIDABLES223NT♠K=-12
-12.6Round 3TURKON93NT♣Q=-10
-13.3Round 6AVIXA166♣♦K=-11