ZHANG Yongge · CHINA OPEN

50rank
+50.1Butler · 84 bds
+0.60per board
±3.9swing
+1.35vs par /bd · #21/268
+0.62adjusted /bd
Butler per round: 13.3 0.6 16.2 -0.9 -6.1 4.6 22.4by round

vs par split: bidding +0.98 · play +0.37

Strength of schedule: opponents averaged +0.02/bd (an average draw) → opponent-adjusted +0.62/bd

Card play — on target: opening leads 92.6% #16 of 268 · declarer play 65.0% #176 of 268 · defence 84.8% #136 of 268

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)95.7% (23)
Declarer play42.9% (7)76.9% (13)
Defence77.8% (9)86.5% (37)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 100.0% (8) · ♦ 100.0% (6) · ♣ 87.5% (8)

vs par by strain: NT +1.46 (24) · a suit +1.30 (60)

vs par by level: part-score +0.66 (29) · game +1.57 (47) · slam +2.50 (8)

By role: declaring +0.62/bd (-1.08 vs par · 38) · defending +0.58/bd (+3.35 vs par · 46)

By vulnerability: vulnerable +0.90/bd (+2.36 vs par · 42) · not vulnerable +0.30/bd (+0.33 vs par · 42)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.LiM.Sprinkhuizen – E.PoppeOpen12+13.3+1.11+1.00
Round 2J.LiT.Di Febo – L.VecchiClosed12+0.6+0.05+0.92
Round 3J.LiM.Drogemuller – A.Rolf-LarsenClosed12+16.2+1.35+2.58
Round 4J.LiC.Puillet – A.TartarinClosed12-0.9-0.07+1.08
Round 5J.LiM.Copur – M.ErkelOpen12-6.1-0.51-1.42
Round 6J.LiR.Gomez – P.GoncalvesClosed12+4.6+0.38+3.83
Round 8J.LiL.Cuevas – M.CaracciOpen12+22.4+1.87+1.42

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 6GAUSS162♦x♦5=+12
+9.4Round 2ITALIAN SENIORS185♠♦10-1+10
+8.2Round 3DENMARK MIXED36♠x♣A-2+7
+7.8Round 2ITALIAN SENIORS155♦♥A=+11
+7.7Round 2ITALIAN SENIORS216♥♦10-1+14
+7.0Round 1NETHERLANDS WOMEN44♠♣10-2+13
+6.7Round 1NETHERLANDS WOMEN104♦♥A=+7
+6.2Round 3DENMARK MIXED22♥♣A-3+2
+5.8Round 8CHILE MIXTO134♠♦K+1+1
+5.7Round 8CHILE MIXTO163NT♥2-1+5
+5.5Round 8CHILE MIXTO183NT♠K+1+6
+5.2Round 3DENMARK MIXED71NT♣4-1+6
+5.2Round 8CHILE MIXTO191NT♥5-4+3
+4.6Round 2ITALIAN SENIORS243NT♣10-2+11
+4.3Round 1NETHERLANDS WOMEN92♥♣K=+5
+4.2Round 1NETHERLANDS WOMEN24♥♠A-1+10
+3.5Round 5TURKIYE SENIORS82NT♥10=+1
+3.3Round 4FRANCE WOMEN237♦x♥3-3+0
+2.9Round 3DENMARK MIXED93♦♥2=+6
+2.7Round 4FRANCE WOMEN213♠♥K-1+5
+2.6Round 5TURKIYE SENIORS21NT♣Q-4+8
+2.5Round 3DENMARK MIXED83NT♦A-1+4
+2.4Round 5TURKIYE SENIORS102♣x♦A-1-9
+2.3Round 1NETHERLANDS WOMEN83NT♠7=+0
+2.2Round 4FRANCE WOMEN163NT♠7+1+0
+1.9Round 1NETHERLANDS WOMEN63NT♠K+2-11
+1.9Round 8CHILE MIXTO243NT♥Q+3+1
+1.8Round 4FRANCE WOMEN134♠♠6+1+0
+1.6Round 3DENMARK MIXED54♥♠Q-2+11
+1.5Round 2ITALIAN SENIORS174♣♥6-2-5
+1.5Round 6GAUSS182♠♥Q-1+5
+1.4Round 8CHILE MIXTO221NT♥9=-2
+1.3Round 5TURKIYE SENIORS64♠♣3+1+0
+1.2Round 1NETHERLANDS WOMEN53NT♠5+1-1
+1.2Round 2ITALIAN SENIORS224♥♠A+1+0
+1.1Round 8CHILE MIXTO143♦♣2-1-2
+1.0Round 5TURKIYE SENIORS93NT♦10+2+0
+1.0Round 6GAUSS133NT♦8+2+1
+1.0Round 6GAUSS172♠♥J-1+2
+0.9Round 5TURKIYE SENIORS124♠♥3=+0
+0.7Round 8CHILE MIXTO172♠♣4-1-2
+0.6Round 4FRANCE WOMEN143♣♥5-3-7
+0.6Round 6GAUSS212♥♠3=+0
+0.5Round 3DENMARK MIXED43♦♥2+2+11
+0.5Round 4FRANCE WOMEN184♠♦6+1+0
+0.5Round 6GAUSS244♠♦J=+0
+0.1Round 1NETHERLANDS WOMEN13NT♠3+1-1
+0.1Round 8CHILE MIXTO151♥♠7+3+10
-0.1Round 3DENMARK MIXED104♠♥A=+0
-0.1Round 6GAUSS204♥♣A+1+13
-0.2Round 1NETHERLANDS WOMEN33NT♥6=-1
-0.2Round 8CHILE MIXTO231NT♥Q=-2
-0.4Round 4FRANCE WOMEN174♥♦2-1-2
-0.5Round 3DENMARK MIXED124♥♣5-1+5
-0.8Round 5TURKIYE SENIORS14♥x♣J-2+0
-0.9Round 4FRANCE WOMEN203NT♠J+1+12
-0.9Round 6GAUSS194♠♦Q+1+13
-0.9Round 8CHILE MIXTO203NT♠5+3-1
-1.2Round 4FRANCE WOMEN245♦♠K=+2
-1.3Round 3DENMARK MIXED66♥♠A-1-11
-1.4Round 5TURKIYE SENIORS74♥♣6+1-1
-1.5Round 6GAUSS154♠♥3=+0
-1.6Round 1NETHERLANDS WOMEN72NT♥7+3-10
-1.8Round 2ITALIAN SENIORS194♠♦4=+1
-2.0Round 4FRANCE WOMEN226♠x♣K-1+5
-2.1Round 5TURKIYE SENIORS114♠♥J=+0
-2.2Round 2ITALIAN SENIORS162NT♦4-1-4
-2.2Round 3DENMARK MIXED114♠x♦K-2+0
-2.5Round 4FRANCE WOMEN193NT♠10+1+10
-2.5Round 5TURKIYE SENIORS32♥♦K-1+2
-2.5Round 5TURKIYE SENIORS42♠♦A-1-5
-2.5Round 6GAUSS146♦♠J-2-6
-2.7Round 6GAUSS224♠♥K=-3
-2.7Round 6GAUSS234♠♥4+2+9
-3.9Round 8CHILE MIXTO211♠♥A=+0
-5.0Round 4FRANCE WOMEN155♠♦6-1-12
-5.1Round 1NETHERLANDS WOMEN114♥♦A-1-10
-5.4Round 2ITALIAN SENIORS202♥♣9-1-6
-5.7Round 2ITALIAN SENIORS145♦x♠3-2-9
-6.8Round 3DENMARK MIXED14♠♠9-1-10
-7.5Round 1NETHERLANDS WOMEN126♦♣4+1+11
-7.7Round 2ITALIAN SENIORS133♦♠A=-12
-8.5Round 5TURKIYE SENIORS55♥x♥10-2-13
-8.8Round 2ITALIAN SENIORS237♥♦A=+0