YU Zhenhai · DONGFENG AUTO CO LTD

634rank
-138.3Butler · 120 bds
-1.15per board
±4.8swing
-1.60vs par /bd · #558/567
-1.37adjusted /bd
Butler per round: -18.9 -0.4 -21.4 -32.8 -29.4 6.3 18.2 -11.6 -6.5 -33.3 8.3 -16.8by round

vs par split: bidding -1.08 · play -0.52

Strength of schedule: opponents averaged -0.21/bd (an easy draw) → opponent-adjusted -1.37/bd

Card play — on target: opening leads 54.5% #561 of 567 · declarer play 70.0% #437 of 567 · defence 73.0% #542 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (10)56.5% (23)
Declarer play77.8% (9)66.7% (21)
Defence55.0% (20)81.4% (43)

Opening leads by suit led: ♠ 63.6% (11) · ♥ 60.0% (5) · ♦ 50.0% (10) · ♣ 42.9% (7)

vs par by strain: NT -0.64 (36) · a suit -2.01 (84)

vs par by level: part-score -1.66 (55) · game -1.48 (60) · slam -2.40 (5)

By role: declaring -1.60/bd (-3.44 vs par · 57) · defending -0.75/bd (+0.06 vs par · 63)

By vulnerability: vulnerable -1.25/bd (-1.37 vs par · 60) · not vulnerable -1.05/bd (-1.83 vs par · 60)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1F.ZhuR.Hinds – D.BlackmanClosed10-18.9-1.89-2.40
Round 2F.ZhuL.Bilde – S.PunchClosed10-0.4-0.04-1.70
Round 4F.ZhuN.Bekkouche – L.BlaksetClosed10-21.4-2.14-2.30
Round 5F.ZhuJ.Campos – S.De MelloOpen10-32.8-3.28-4.10
Round 6F.ZhuS.Malik – M.BandeshaClosed10-29.4-2.94-1.40
Round 7F.ZhuJ.Kim – C.LeeClosed10+6.3+0.63+2.00
Round 9F.ZhuW.Hu – L.LiOpen10+18.2+1.82-2.30
Round 10F.ZhuP.Rankin – S.FischerClosed10-11.6-1.16-3.50
Round 11F.ZhuK.Sung – I.HwangClosed10-6.5-0.65-1.00
Round 12F.ZhuA.Riamsree – V.SvangsopakulClosed10-33.3-3.33-2.70
Round 14F.ZhuY.Ma – D.FanOpen10+8.3+0.83-0.40
Round 15F.ZhuH.Qin – M.WanClosed10-16.8-1.68+0.60

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
+10.4Round 7NEWB83NT♦Q-2+14
+9.5Round 12BBC THAILAND293NT♣6+1+11
+8.0Round 7NEWB93NT♦8-1+16
+7.8Round 4MIX DENMARK44♥x♠J-1+13
+7.7Round 9WARHORSE236♦♥9=-8
+7.7Round 9WARHORSE304♠♣J=+0
+7.3Round 11GALAGILE164♥♣9=+7
+7.1Round 9WARHORSE214♠x♦K-1+11
+6.9Round 15TIANYA BRIDGE FATE223NT♠4-1+12
+6.8Round 14WUHAN ENGINEERING193NT♠4-4+7
+6.3Round 2SCOTMARK174♠♥2=+0
+6.2Round 14WUHAN ENGINEERING123♣♥A=+7
+6.0Round 10AUSTRALIA MIXED33NT♥K=+0
+5.6Round 14WUHAN ENGINEERING154♠♥4-1-2
+5.4Round 2SCOTMARK115♥x♣K-3+2
+5.2Round 1CARIBBEAN PIRATES13NT♥5+1+0
+5.2Round 15TIANYA BRIDGE FATE306♣♣6-3+7
+4.7Round 1CARIBBEAN PIRATES44♥♦9-1+6
+4.7Round 6PK NZ262♠♦4-3+5
+4.1Round 11GALAGILE192NT♥9+2+9
+3.5Round 14WUHAN ENGINEERING184♥♣5+1+4
+3.3Round 7NEWB45♦♠3+1+3
+2.7Round 10AUSTRALIA MIXED24♠♥K=+3
+2.7Round 14WUHAN ENGINEERING113NT♥J+1+0
+2.4Round 14WUHAN ENGINEERING203♥♦K-1-1
+2.3Round 11GALAGILE203♣♥8-2+3
+2.1Round 5BRAZIL Mixed142NT♦J=+6
+1.6Round 9WARHORSE292♠♣6+2-1
+1.5Round 10AUSTRALIA MIXED91NT♥A=+5
+1.4Round 15TIANYA BRIDGE FATE253NT♣4+2+1
+1.3Round 9WARHORSE273♥♠2-2+8
+1.2Round 2SCOTMARK182♥♣5-1+4
+1.0Round 2SCOTMARK124♥♣A-2-9
+1.0Round 10AUSTRALIA MIXED43♠♣7-1-1
+1.0Round 12BBC THAILAND213♣♠K=+0
+0.9Round 7NEWB23♥♣K-1-1
+0.8Round 2SCOTMARK192NT♠3+1-1
+0.6Round 2SCOTMARK143♦♣6=+5
+0.6Round 6PK NZ302♥♠3+1+6
+0.5Round 4MIX DENMARK54♠♥K=+0
+0.5Round 9WARHORSE263NT♥9+2-12
+0.5Round 11GALAGILE173♥♠2-2-7
+0.4Round 7NEWB72♦♥6=+1
+0.3Round 6PK NZ213NT♦6-3+6
+0.2Round 11GALAGILE182♠♣5=+0
-0.0Round 5BRAZIL Mixed121NT♠J-1-2
-0.0Round 10AUSTRALIA MIXED86NT♣5=-11
-0.0Round 15TIANYA BRIDGE FATE274♠♥4-2+0
-0.1Round 9WARHORSE242♥♦5-1-4
-0.3Round 4MIX DENMARK14♥♠K+1+0
-0.5Round 11GALAGILE143♣♦Q+2+1
-0.6Round 4MIX DENMARK34♥♠K+2-11
-0.7Round 9WARHORSE255♥♣2+2-10
-0.8Round 6PK NZ232NT♦2=+1
-0.8Round 7NEWB53♥♠8-1+1
-0.8Round 15TIANYA BRIDGE FATE243NT♠5+3-1
-0.9Round 12BBC THAILAND303♦♦5-1+3
-1.1Round 5BRAZIL Mixed112♠♣K+2-1
-1.1Round 14WUHAN ENGINEERING142♦♦5+1+0
-1.2Round 1CARIBBEAN PIRATES71NT♥5+2-1
-1.4Round 11GALAGILE124♥♦J=+0
-1.5Round 1CARIBBEAN PIRATES23♦♠9+1+0
-1.5Round 10AUSTRALIA MIXED52♠♦3-1-5
-1.5Round 12BBC THAILAND262♥♦4+2-1
-1.6Round 2SCOTMARK131NT♠J+1+0
-1.6Round 5BRAZIL Mixed152♥♠K=-5
-1.7Round 5BRAZIL Mixed183NT♠6-1-6
-1.7Round 14WUHAN ENGINEERING173NT♣4+2+0
-1.9Round 7NEWB14♥♣6-2+0
-2.0Round 1CARIBBEAN PIRATES92♠♣8-1-6
-2.0Round 6PK NZ275♠♥A-1-8
-2.2Round 7NEWB104♥♦5-1+1
-2.2Round 12BBC THAILAND284♥♦J+3+10
-2.3Round 1CARIBBEAN PIRATES64♥♦2-1-10
-2.3Round 10AUSTRALIA MIXED102♠♦2+1-1
-2.7Round 10AUSTRALIA MIXED11NT♦10+1-5
-3.1Round 2SCOTMARK163♦♠10=+0
-3.1Round 14WUHAN ENGINEERING164♠x♥A-1-6
-3.2Round 4MIX DENMARK82♥♣10+1-1
-3.2Round 7NEWB33NT♥9-1-5
-3.2Round 9WARHORSE225♦♠4-1-5
-3.3Round 2SCOTMARK154♥♦8=-6
-3.4Round 11GALAGILE132♥♦4+2+1
-3.6Round 1CARIBBEAN PIRATES34♥♦K-1-5
-3.7Round 9WARHORSE283♥♦4=-2
-3.9Round 4MIX DENMARK92♠♥10-1+1
-3.9Round 4MIX DENMARK101NT♥4=-5
-4.0Round 6PK NZ252NT♥2=+0
-4.1Round 6PK NZ283NT♠7-1-6
-4.2Round 15TIANYA BRIDGE FATE264♥x♣K-2+4
-4.4Round 4MIX DENMARK62♠♥K-1-4
-4.4Round 12BBC THAILAND231NT♥A-3-4
-4.9Round 1CARIBBEAN PIRATES54♠♠7+1-1
-5.0Round 5BRAZIL Mixed134♥♦Q=+0
-5.0Round 5BRAZIL Mixed194♠♦3-2-6
-5.2Round 6PK NZ221NT♦Q-2-6
-5.3Round 5BRAZIL Mixed162NT♥8-2-11
-5.4Round 15TIANYA BRIDGE FATE214♥♦6-2-8
-5.4Round 15TIANYA BRIDGE FATE232NT♥J+1-6
-5.6Round 1CARIBBEAN PIRATES101NTx♥3+1-6
-5.7Round 5BRAZIL Mixed174♠♣6-2-6
-6.0Round 4MIX DENMARK74♠♣K-1-6
-6.3Round 15TIANYA BRIDGE FATE294♥♠9=-3
-6.5Round 6PK NZ296♠♥10=+0
-6.6Round 10AUSTRALIA MIXED71NT♣6+2-10
-6.6Round 11GALAGILE154♠♦5-1-13
-6.6Round 12BBC THAILAND243♣♣6=-11
-6.8Round 12BBC THAILAND225♣♥6=-11
-7.4Round 4MIX DENMARK25♥x♦A=-10
-7.7Round 1CARIBBEAN PIRATES84♠♣10+1-1
-7.7Round 2SCOTMARK204♠♥A-2-12
-8.2Round 15TIANYA BRIDGE FATE286NT♦7=+0
-8.6Round 7NEWB65♦♣A-1-10
-9.0Round 11GALAGILE115♦x♠9+1-11
-9.5Round 5BRAZIL Mixed204♠♦10=-10
-9.7Round 10AUSTRALIA MIXED64♠♥3=-10
-10.5Round 12BBC THAILAND273♥x♦K-4-9
-10.9Round 12BBC THAILAND253♥♣A+3-15
-12.4Round 6PK NZ244♣x♥Q-4-12
-13.0Round 14WUHAN ENGINEERING131NTx♠5+3-13