ZHANG Jie · CHINA OPEN 2

394rank
-5.5Butler · 84 bds
-0.07per board
±5.3swing
+0.31vs par /bd · #226/675
-0.01adjusted /bd
Butler per round: -12.4 4.1 20.3 -14.9 31.7 -34.3by round

vs par split: bidding +0.14 · play +0.17

Strength of schedule: opponents averaged +0.05/bd (a tough draw) → opponent-adjusted -0.01/bd

Card play — on target: opening leads 90.9% #23 of 675 · declarer play 84.2% #131 of 675 · defence 92.5% #74 of 675

Bidding activity — not a pass: 46.9% #130 of 675 (119/254)

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (6)93.8% (16)
Declarer play80.0% (5)85.7% (14)
Defence83.3% (12)96.4% (28)

Opening leads by suit led: ♠ 100.0% (5) · ♥ 71.4% (7) · ♦ 100.0% (4) · ♣ 100.0% (6)

vs par by strain: NT -0.54 (26) · a suit +0.69 (58)

vs par by level: part-score +0.38 (24) · game +0.02 (53) · slam +2.29 (7)

By role: declaring -0.51/bd (-1.91 vs par · 44) · defending +0.42/bd (+2.75 vs par · 40)

By vulnerability: vulnerable -0.09/bd (+0.29 vs par · 42) · not vulnerable -0.04/bd (+0.33 vs par · 42)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.ChenA.Zobu – V.AronovOpen14-12.4-0.89-1.79
Round 2J.ChenE.Rodwell – D.SimsonClosed14+4.1+0.29+2.64
Round 4J.ChenS.Kushari – K.BendreOpen14+20.3+1.45+2.29
Round 5J.ChenL.Lantaron – F.PiedraClosed14-14.9-1.06-2.50
Round 7J.ChenM.Urbanski – P.ChindelewiczClosed14+31.7+2.26+1.93
Round 8J.ChenV.Demuy – J.KranyakClosed14-34.3-2.45-0.71

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
+13.1Round 7MAGIC74♥x♠J-2+15
+12.9Round 4FORMIDABLES176♦x♠6+1+12
+12.4Round 2SIMSON193♦x♥K=+14
+9.3Round 7MAGIC26♦♠A=+0
+8.1Round 8SILVER SURFERS234♠x♥2-1+8
+7.5Round 7MAGIC122NT♥2=+11
+6.8Round 5MSV123NT♥2+1+1
+6.4Round 2SIMSON206NTx♣4-1+13
+6.2Round 1KUPCLUB94♥♦3=+3
+6.1Round 5MSV43NT♣2=-1
+5.8Round 1KUPCLUB34♥♠9=+10
+5.8Round 2SIMSON182♦♥Q-2+7
+5.2Round 8SILVER SURFERS251♠x♥7=+7
+4.8Round 4FORMIDABLES153NTx♣5=+3
+4.6Round 4FORMIDABLES203NT♣J-1+6
+4.5Round 5MSV84♥♠Q-1+5
+4.0Round 7MAGIC91NT♠2+1+0
+4.0Round 7MAGIC144♠x♦5-3+2
+3.9Round 4FORMIDABLES254♠♦K-2+6
+3.6Round 4FORMIDABLES233NT♥T-1+12
+3.3Round 1KUPCLUB23♠♣8-1+12
+3.3Round 2SIMSON274♠♥6-1+5
+3.3Round 7MAGIC102♠♥Q-4-6
+3.1Round 7MAGIC115♣♠6-1+5
+3.0Round 8SILVER SURFERS275♣♦A-1+8
+2.6Round 2SIMSON226♣♠2+1+11
+2.5Round 4FORMIDABLES244♠♦T-1+10
+2.2Round 7MAGIC83NT♥9-1+5
+2.1Round 1KUPCLUB46♠♦6+1-13
+2.1Round 2SIMSON242♦♦6+1+0
+2.1Round 8SILVER SURFERS224♠♥7=+0
+1.9Round 1KUPCLUB124♥♦K=+0
+1.0Round 1KUPCLUB102♥♦J+1+10
+0.8Round 4FORMIDABLES185♠♥K+1+12
+0.8Round 4FORMIDABLES273NT♠J=+0
+0.8Round 7MAGIC63♦♠J=+1
+0.5Round 2SIMSON283NT♥2+1+0
+0.4Round 5MSV34♥♣9=+1
+0.0Round 8SILVER SURFERS152♠♦6=+0
-0.2Round 5MSV142♦x♠K-2+3
-0.2Round 7MAGIC14♠♥3+1+0
-0.3Round 2SIMSON161NT♦8=-5
-0.3Round 8SILVER SURFERS215♥x♣7-3+0
-0.4Round 4FORMIDABLES163NT♥5=+1
-0.7Round 7MAGIC52♠♦K=-1
-1.1Round 4FORMIDABLES192♥♦7-2-11
-1.2Round 1KUPCLUB144♠♣K-1-4
-1.3Round 5MSV65♦♣K=+2
-1.4Round 5MSV13NT♦8+1+0
-1.5Round 5MSV73NT♠2+3-13
-1.7Round 2SIMSON153NT♠2+2-1
-1.7Round 2SIMSON235♣♥K+1+10
-1.7Round 5MSV101NT♥J+1-6
-1.8Round 1KUPCLUB13NT♠5-2-5
-1.8Round 8SILVER SURFERS204♠♦Q=+1
-1.9Round 8SILVER SURFERS193♦♣Q+1+0
-2.1Round 1KUPCLUB84♠♥5-1-5
-2.3Round 4FORMIDABLES284♠♦4=-1
-2.4Round 4FORMIDABLES213♣♣6-2-5
-2.6Round 5MSV113NT♥3+1-1
-2.7Round 7MAGIC133♥♣A+1+1
-2.8Round 2SIMSON173NT♠8=+1
-3.0Round 1KUPCLUB64♦♠J=+1
-3.0Round 8SILVER SURFERS264♥♠A+1+0
-3.4Round 4FORMIDABLES222NT♣6-2-3
-3.5Round 7MAGIC33♠♦J=-6
-3.5Round 8SILVER SURFERS182NT♣7-2-5
-3.6Round 5MSV54♥x♣7-1+0
-3.7Round 2SIMSON214♥♥7-1-5
-3.9Round 1KUPCLUB53NT♠6-1-5
-4.0Round 4FORMIDABLES262♠♣6+1-10
-4.1Round 1KUPCLUB74♠♦7-1-12
-5.5Round 5MSV94NT♠7-4-6
-5.6Round 5MSV23NT♣Q-1-10
-7.6Round 1KUPCLUB133NT♣6-1-6
-8.1Round 2SIMSON255♠x♣6-3-8
-8.4Round 8SILVER SURFERS245♣x♥K-4-8
-8.5Round 7MAGIC45♥x♠7-2+0
-9.0Round 1KUPCLUB115♥♣A-1-11
-9.3Round 5MSV134♠♥2=-10
-10.3Round 8SILVER SURFERS166♥♣K=+0
-10.7Round 2SIMSON264♥x♣2=-5
-11.5Round 8SILVER SURFERS284♠♥4+3-14
-12.0Round 8SILVER SURFERS176♣x♥K=-7