WEI Gang · JINCHENGCHEMICAL ENGINEERING F

618rank
-74.0Butler · 56 bds
-1.32per board
±4.1swing
+0.61vs par /bd · #218/579
-1.45adjusted /bd
Butler per round: -12.6 -12.9 -8.6 -11.9 -8.7 -1 -1.9 -16.4by round

vs par split: bidding +0.16 · play +0.45

Strength of schedule: opponents averaged -0.13/bd (an easy draw) → opponent-adjusted -1.45/bd

Card play — on target: opening leads 50.0% #565 of 579 · declarer play 66.7% #383 of 579 · defence 100.0% #1 of 579

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (5)20.0% (5)
Declarer play40.0% (5)76.9% (13)
Defence100.0% (11)100.0% (16)

Opening leads by suit led: ♠ 0.0% (1) · ♥ 40.0% (5) · ♦ 66.7% (3) · ♣ 100.0% (1)

vs par by strain: NT +2.33 (18) · a suit -0.21 (38)

vs par by level: part-score -0.12 (17) · game +1.67 (33) · slam -3.17 (6)

By role: declaring -2.38/bd (-3.79 vs par · 29) · defending -0.19/bd (+5.33 vs par · 27)

By vulnerability: vulnerable -0.31/bd (+1.54 vs par · 28) · not vulnerable -2.33/bd (-0.32 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1S.ChenJ.Hurd – J.WooldridgeClosed7-12.6-1.80+0.00
Round 2S.ChenP.Gill – G.FleischerOpen7-12.9-1.84-4.00
Round 3S.ChenM.Fleisher – C.MartelClosed7-8.6-1.23+1.00
Round 4S.ChenH.Zhu – Y.LinClosed7-11.9-1.70+3.29
Round 5S.ChenM.Briciu – C.TeodorescuClosed7-8.7-1.24-1.71
Round 6S.ChenR.Mihai – P.WeinstockClosed7-1.0-0.14+3.00
Round 7S.ChenP.Hollands – J.HowardOpen7-1.9-0.27+1.57
Round 8S.ChenH.Vahaboglu – F.AydogduOpen7-16.4-2.34+1.71

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
+5.9Round 5ROMANIA66♣♠3+1+13
+5.5Round 5ROMANIA43NT♣5=-1
+5.4Round 6WEINSTOCK103NTx♠Q-1+8
+4.6Round 4DALIAN236NT♦10-2+17
+4.5Round 3FLEISHER216♠♥6=-13
+3.7Round 7SILVERFOX164♣♦7+1+10
+3.5Round 6WEINSTOCK123NT♣2-1+10
+3.4Round 3FLEISHER184♠♥Q-4+3
+3.1Round 2BILSKI83♣♥7=+0
+2.0Round 3FLEISHER152♠♦4=+0
+2.0Round 7SILVERFOX214♠♥5-1+5
+1.9Round 1LEBRON23NT♥5-2+6
+1.9Round 1LEBRON41NT♣8=+5
+1.8Round 8TURKEY284♥♣3-1+10
+1.2Round 6WEINSTOCK113♠♦5-2-1
+1.2Round 8TURKEY244♠x♣9-2+4
+1.1Round 2BILSKI135♥♠A=+0
+0.6Round 3FLEISHER172♠♦7-1+3
+0.4Round 6WEINSTOCK145♠x♦K-2+0
+0.3Round 2BILSKI114♠♥K+1-10
+0.3Round 7SILVERFOX173♠♦A+1+1
+0.1Round 4DALIAN265♦♣Q+1+13
+0.0Round 4DALIAN222♥♦A+1+0
+0.0Round 4DALIAN254♠♦7+1+12
-0.2Round 1LEBRON52♠♠3+1+0
-0.2Round 5ROMANIA33NT♦J-1-5
-0.6Round 5ROMANIA22♥♠6+1+0
-0.6Round 7SILVERFOX204♠♣2+1-13
-0.9Round 6WEINSTOCK132♠♥A+1+0
-1.0Round 7SILVERFOX155♥♠K-3+12
-1.1Round 6WEINSTOCK94♥♣3=+13
-1.5Round 8TURKEY273♠♥A-1+2
-2.0Round 3FLEISHER194NT♦6=+17
-2.0Round 8TURKEY263NT♥Q=+0
-2.2Round 1LEBRON75♣♥6=+1
-2.6Round 5ROMANIA13NT♥3+1-1
-2.8Round 7SILVERFOX181NT♥5+1+1
-3.0Round 1LEBRON13NT♠2-4-7
-3.2Round 4DALIAN275♣♥6=+0
-3.4Round 2BILSKI142♥♥3=-6
-3.5Round 2BILSKI103NT♦10+1+0
-3.5Round 4DALIAN283NT♣4-2-8
-3.5Round 7SILVERFOX193♣♥10-1-5
-3.6Round 2BILSKI125♣x♠3-1-2
-3.8Round 3FLEISHER203NT♠9+2+12
-4.1Round 1LEBRON63NT♦J-1+2
-4.3Round 8TURKEY255♦♠A=+0
-5.0Round 8TURKEY232♠♦10-1-5
-5.3Round 5ROMANIA54♥♠3-1-6
-6.6Round 8TURKEY223NT♣10=+1
-6.9Round 1LEBRON32♥♦9-3-7
-6.9Round 2BILSKI96♣♦A-1-10
-9.5Round 6WEINSTOCK84♠x♣K-4-9
-9.9Round 4DALIAN246♦♠K-2-11
-11.4Round 5ROMANIA74♠♥3-1-12
-13.3Round 3FLEISHER166NT♣6-4-15