ZHANG Jie · CHINA 2

148rank
-7.3Butler · 70 bds
-0.10per board
±5.0swing
-0.36vs par /bd · #119/161
-0.37adjusted /bd
Butler per round: 30 -0.7 -23.6 10.7 -23.7by round

vs par split: bidding -0.77 · play +0.41

Strength of schedule: opponents averaged -0.26/bd (an easy draw) → opponent-adjusted -0.37/bd

Card play — on target: opening leads 84.6% #45 of 161 · declarer play 80.8% #49 of 161 · defence 96.4% #5 of 161

Bidding activity — not a pass: 53.8% #12 of 161 (107/199)

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)88.9% (9)
Declarer play83.3% (12)78.6% (14)
Defence100.0% (6)95.5% (22)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 100.0% (2) · ♦ 50.0% (4) · ♣ 100.0% (4)

vs par by strain: NT -0.35 (23) · a suit -0.36 (47)

vs par by level: part-score +1.79 (19) · game -0.14 (44) · slam -7.57 (7)

By role: declaring -0.78/bd (-2.71 vs par · 42) · defending +0.91/bd (+3.18 vs par · 28)

By vulnerability: vulnerable -0.23/bd (-0.46 vs par · 35) · not vulnerable +0.02/bd (-0.26 vs par · 35)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.ChenG.Duboin – K.Ward-PlattClosed14+30.0+2.14+4.21
Round 4J.ChenW.Starkowski – M.KwiecienClosed14-0.7-0.05-1.50
Round 5J.ChenM.Michielsen – P.CullinClosed14-23.6-1.69-4.71
Round 7J.ChenM.Yilmaz – E.SuicmezClosed14+10.7+0.76+1.29
Round 8J.ChenB.Baskan – H.OzdemirClosed14-23.7-1.69-1.07

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
+12.2Round 1DUBOIN64♠x♦A-4+5
+10.4Round 7AGREMAN65♣x♥A-5+10
+10.3Round 1DUBOIN143NT♦3+2+14
+10.2Round 7AGREMAN43NT♣3=+10
+8.3Round 5SAXENA65♣♠7+1+10
+7.3Round 1DUBOIN123NT♥7+1+6
+6.7Round 4PIONEERS186♥♥3=+0
+6.3Round 5SAXENA53NT♦J-1+12
+5.4Round 1DUBOIN114♥♦Q-1+10
+5.1Round 8AVIXA281NT♥T=+12
+5.0Round 4PIONEERS233NT♠7=+10
+4.9Round 1DUBOIN94♥♣A-1+10
+4.7Round 1DUBOIN54♠♦K-2+13
+4.7Round 8AVIXA242♦x♣T-2+4
+4.6Round 5SAXENA74♠♦3+1+1
+4.1Round 4PIONEERS226♣♥Q-2+0
+3.9Round 4PIONEERS286♣♣3+1-11
+3.2Round 7AGREMAN23♥♦A-1+5
+3.1Round 5SAXENA23NT♠6+2+1
+3.0Round 4PIONEERS263♣♦3-1+5
+2.4Round 7AGREMAN52♥♣7+1+1
+1.8Round 1DUBOIN11NT♠7+1-7
+1.6Round 8AVIXA164♠♣K+1+0
+1.5Round 8AVIXA262NT♥T=+6
+1.3Round 4PIONEERS213NT♠8=+2
+1.3Round 7AGREMAN13♣♠4-1+2
+1.3Round 7AGREMAN123♠♦Q=+12
+1.1Round 4PIONEERS243♣♠7+2+1
+0.7Round 4PIONEERS252♦♠T-1+5
+0.6Round 4PIONEERS163NT♦Q+2+0
+0.5Round 1DUBOIN75♣♦T=+3
+0.4Round 8AVIXA222♠♣J+1+7
+0.2Round 8AVIXA232♠♦T=-1
+0.1Round 1DUBOIN104♥♦T=+0
-0.1Round 1DUBOIN24♠♣Q=+11
-0.3Round 5SAXENA142♠♥Q+1-1
-0.4Round 7AGREMAN114♠♣Q+1+0
-0.5Round 5SAXENA83NT♦6+1+0
-0.7Round 4PIONEERS173NT♥Q+3+11
-0.9Round 7AGREMAN144♥♠2=-1
-1.1Round 7AGREMAN34♥♦8+1+0
-1.3Round 7AGREMAN73NT♠4-1-6
-1.3Round 7AGREMAN94♠♦7-2+6
-1.8Round 7AGREMAN134♠♣4=+0
-1.8Round 8AVIXA154♠♦5+1+0
-2.3Round 1DUBOIN133♥♠6-2+8
-2.5Round 5SAXENA133NT♥A-2-7
-2.8Round 8AVIXA252♥♦Q=-6
-3.5Round 1DUBOIN43NT♥T=+0
-3.6Round 4PIONEERS153NT♣7-1-11
-4.1Round 5SAXENA33NT♥7+2-12
-4.1Round 8AVIXA182♥♦Q=-6
-4.2Round 8AVIXA173NT♠J-1-10
-4.3Round 8AVIXA202♦♥3-2-3
-4.7Round 1DUBOIN33NT♠J-1-6
-4.7Round 5SAXENA43NT♠2-2-13
-4.7Round 7AGREMAN84♠♥A=-11
-5.4Round 5SAXENA15♥♦9-1-14
-5.6Round 4PIONEERS197♠♠4-1-20
-5.6Round 5SAXENA113NT♣K-1-10
-6.2Round 8AVIXA213NT♣4-1-10
-6.2Round 8AVIXA276♠♣3+1-1
-6.6Round 1DUBOIN84♥♦9-1-8
-6.6Round 7AGREMAN101♥♣J+3-10
-7.1Round 5SAXENA94♠♣A-3-11
-7.2Round 4PIONEERS204♠x♠7-1-2
-7.6Round 8AVIXA196♣x♦Q-2-7
-7.7Round 5SAXENA105♥x♣K=-8
-8.0Round 5SAXENA126♠♦7-1-14
-10.0Round 4PIONEERS274♥♥3+2-11