ZHUANG Zejun · SAIC RED

8rank
+126.0Butler · 110 bds
+1.15per board
±4.2swing
+1.44vs par /bd · #3/384
+1.02adjusted /bd
Butler per round: 7.7 35 12.7 11.6 6.4 -5.5 5 -12.6 34.7 18.4 12.6by round

vs par split: bidding +0.81 · play +0.59

Strength of schedule: opponents averaged -0.13/bd (an easy draw) → opponent-adjusted +1.02/bd

Card play — on target: opening leads 78.6% #197 of 384 · declarer play 79.4% #72 of 384 · defence 88.0% #70 of 384

Card play by contract type — on target
vs NTvs a suit
Opening leads84.6% (13)73.3% (15)
Declarer play66.7% (12)86.4% (22)
Defence90.0% (20)86.7% (30)

Opening leads by suit led: ♠ 72.7% (11) · ♥ 100.0% (6) · ♦ 50.0% (4) · ♣ 85.7% (7)

vs par by strain: NT +1.62 (42) · a suit +1.28 (67)

vs par by level: part-score +0.20 (41) · game +2.51 (63) · slam -2.40 (5)

By role: declaring +0.77/bd (-1.20 vs par · 59) · defending +1.58/bd (+4.49 vs par · 51)

By vulnerability: vulnerable +1.05/bd (+1.12 vs par · 56) · not vulnerable +1.24/bd (+1.76 vs par · 54)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2Y.LiuZ.Shao – W.BaoOpen10+7.7+0.77+2.90
Round 3W.WangD.Kelkar – U.KarekarOpen10+35.0+3.50+3.50
Round 4W.WangJ.Allerton – P.LeslieOpen10+12.7+1.27+3.00
Round 5W.WangM.Yuen – P.NehmertClosed10+11.6+1.16+1.10
Round 6W.WangR.Legras – C.BernardOpen10+6.4+0.64-1.50
Round 7W.WangJ.Romanowski – M.RossardClosed10-5.5-0.55-0.30
Round 9W.WangM.Matisons – J.AlfejevaClosed10+5.0+0.50+1.20
Round 10W.WangD.Wolpert – H.WolpertOpen10-12.6-1.26-2.00
Round 13W.WangM.Ware – G.VistClosed10+34.7+3.47+2.70
Round 14W.WangP.Soulet – D.HalfonClosed10+18.4+1.84+2.80
Round 15W.WangD.Tuerah – J.TuejeClosed10+12.6+1.26+2.40

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
+14.9Round 13TISLEVOLL45♣x♥10-4+17
+11.3Round 14PAYEN163NT♥2-1+15
+10.4Round 6BERNARD294♠♥5=+13
+9.2Round 5GOTARD162♣x♠A+2+6
+8.8Round 14PAYEN203NT♣6-1+12
+8.4Round 9LATVIA223NT♠3-1+6
+8.3Round 2SAIC BLUE196♣♥A-1+13
+8.1Round 9LATVIA254♠♣J=+7
+7.7Round 13TISLEVOLL14♠♣2=+7
+7.3Round 15DJARUM2254♠x♦2=+9
+7.1Round 2SAIC BLUE124♥♠J=+0
+7.1Round 3D N KELKAR214♥♠5+1+8
+7.0Round 5GOTARD153♠♣K-5+9
+7.0Round 15DJARUM2283NT♠6-2+11
+6.8Round 4BADGER53NT♥9-2+11
+6.7Round 13TISLEVOLL33NT♣2+1+0
+6.5Round 3D N KELKAR283NT♦7=+7
+5.4Round 3D N KELKAR275♣x♠J-3+2
+5.2Round 13TISLEVOLL54♥♠3-2+6
+4.8Round 3D N KELKAR264♥♣9+1+0
+4.8Round 7ROSSARD44♠x♥K-1+8
+4.7Round 4BADGER84♠♣6=+0
+4.6Round 2SAIC BLUE133♣♠2-1+5
+4.6Round 13TISLEVOLL92NT♠Q-2+8
+4.4Round 3D N KELKAR223♣♠2-2+2
+4.4Round 6BERNARD273NT♣3-3+6
+4.2Round 3D N KELKAR294♥♠A=+3
+3.3Round 4BADGER24♥♣3+2+14
+3.0Round 9LATVIA304♥♣A-1+5
+2.8Round 15DJARUM2231NT♠6+1-1
+2.3Round 6BERNARD231NT♠J=-1
+2.2Round 5GOTARD112NT♣3-2+0
+2.1Round 13TISLEVOLL73NT♠4-2+7
+2.0Round 6BERNARD266♥♣K=-13
+2.0Round 7ROSSARD72♥♦5+3-9
+1.9Round 15DJARUM2241NT♥9-1+4
+1.8Round 3D N KELKAR254♠♦J+1+1
+1.8Round 4BADGER61NT♥J=+5
+1.8Round 13TISLEVOLL104♥♠A-1-1
+1.8Round 15DJARUM2303NT♦J+1+0
+1.7Round 10CANADA33♥♠4=+0
+1.7Round 14PAYEN193NT♣3+3+1
+1.6Round 14PAYEN181NT♣9+1+0
+1.5Round 4BADGER34♥♣Q+2+1
+1.5Round 14PAYEN114♦♥2=+0
+1.4Round 9LATVIA214♠♣K+1+0
+1.4Round 10CANADA44♥♣K-2+8
+1.3Round 7ROSSARD62♠♠5-2+6
+1.3Round 7ROSSARD91NT♠A=+6
+1.2Round 2SAIC BLUE183NT♦2+3+14
+1.2Round 5GOTARD142♦♥Q+1+7
+1.1Round 2SAIC BLUE111NT♥K-1+3
+1.1Round 4BADGER11NT♥4+2+6
+1.0Round 10CANADA94♠♥8+1+12
+0.9Round 4BADGER7Pass+4
+0.9Round 6BERNARD213NT♣5=+0
+0.9Round 14PAYEN123NT♥2+3+1
+0.8Round 3D N KELKAR304♠♥A+1+4
+0.8Round 9LATVIA244♠♣4+2+1
+0.6Round 7ROSSARD54♠♣Q=+0
+0.6Round 14PAYEN153NT♣4+2+10
+0.2Round 3D N KELKAR241NT♦Q=+8
+0.1Round 5GOTARD122♠♦A-3+1
+0.1Round 5GOTARD174♠♦7+1+0
+0.0Round 5GOTARD193♦♣A-1+10
+0.0Round 15DJARUM2223♣♥6+2-1
-0.1Round 4BADGER103♠♣K=+0
-0.1Round 14PAYEN173♥♠A-3-1
-0.2Round 3D N KELKAR233NT♦4+1+0
-0.3Round 2SAIC BLUE203NT♣4+2+0
-0.3Round 10CANADA73NT♣2=+0
-0.4Round 6BERNARD224♥♥5+1+8
-0.4Round 10CANADA23NT♥10+4-17
-0.4Round 13TISLEVOLL83NT♠6=-1
-0.4Round 15DJARUM2211♠♦8+2+0
-0.5Round 6BERNARD244♥♦7+1+0
-0.6Round 5GOTARD181NT♥4=-2
-0.7Round 2SAIC BLUE143♣♥3+1+0
-1.3Round 7ROSSARD13♥♠K=-1
-1.5Round 15DJARUM2293♠♣Q-1+1
-1.7Round 9LATVIA282♠♦A=-5
-1.8Round 5GOTARD133NT♦A-1-12
-1.8Round 9LATVIA264♠♠7+2+13
-1.9Round 10CANADA103♦♠K=-10
-2.0Round 10CANADA64♠♥5-2+0
-2.1Round 9LATVIA293NT♠K+2+0
-2.2Round 6BERNARD283♠♦6-1-5
-2.2Round 6BERNARD306♥♠2+1-11
-2.2Round 7ROSSARD34♣♣4+1-1
-2.5Round 15DJARUM2273NT♠3+3+7
-2.6Round 9LATVIA273NT♠7=-7
-2.7Round 7ROSSARD84♠♥A+1+11
-2.7Round 14PAYEN143♣♦8=+0
-3.2Round 2SAIC BLUE156♠♦3=+11
-3.2Round 4BADGER91♠♦2+1-6
-3.2Round 13TISLEVOLL61NT♠5-2-5
-3.7Round 7ROSSARD104♠♠4+3-12
-3.8Round 10CANADA13NT♦6-3-6
-3.8Round 15DJARUM2264♥♠8-1-6
-4.1Round 4BADGER41NT♦4=-5
-4.1Round 10CANADA52NT♥3-2-7
-4.2Round 10CANADA84♠♦A=+0
-4.7Round 13TISLEVOLL23♠♣K-2-11
-5.0Round 2SAIC BLUE164♠♥4-1-10
-5.2Round 14PAYEN134♠♠5=-10
-5.4Round 2SAIC BLUE174♠♥6-3-7
-5.6Round 7ROSSARD24♠♥J-2-11
-5.8Round 5GOTARD203NT♣6-2-8
-8.3Round 6BERNARD257♦x♥A-1-12
-8.5Round 9LATVIA232NTx♠2-2-8