ZHANG Ligang · WARHORSE

480rank
-30.6Butler · 110 bds
-0.28per board
±4.9swing
+0.11vs par /bd · #252/567
-0.49adjusted /bd
Butler per round: -0.1 5.2 -6.5 -8.3 -7 -15.9 13.2 7.5 -31.9 -16.1 29.3by round

vs par split: bidding +0.12 · play +0.02

Strength of schedule: opponents averaged -0.21/bd (an easy draw) → opponent-adjusted -0.49/bd

Card play — on target: opening leads 84.0% #171 of 567 · declarer play 77.3% #267 of 567 · defence 74.6% #524 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (12)92.3% (13)
Declarer play75.0% (4)77.8% (18)
Defence66.7% (21)78.9% (38)

Opening leads by suit led: ♠ 63.6% (11) · ♥ 100.0% (5) · ♦ 100.0% (5) · ♣ 100.0% (4)

vs par by strain: NT +2.30 (33) · a suit -0.80 (76)

vs par by level: part-score -0.62 (45) · game +0.53 (60) · slam +2.75 (4)

By role: declaring -0.68/bd (-2.45 vs par · 49) · defending +0.05/bd (+2.16 vs par · 61)

By vulnerability: vulnerable +0.19/bd (+0.88 vs par · 56) · not vulnerable -0.76/bd (-0.69 vs par · 54)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3S.LiuB.Satyanarayana – K.NadarOpen10-0.1-0.01+1.00
Round 4S.LiuY.Wu – Y.YeClosed10+5.2+0.52+0.50
Round 5S.LiuW.Lazer – P.GumbyOpen10-6.5-0.65-1.40
Round 6S.LiuL.Wu – J.ZhangOpen10-8.3-0.83+0.50
Round 7S.LiuA.Bach – M.CornellOpen10-7.0-0.70+2.50
Round 9S.LiuJ.Lu – Y.HeClosed10-15.9-1.59-4.10
Round 10S.LiuL.Lei – L.ZhouClosed10+13.2+1.32+3.00
Round 11S.LiuN.Kokten – M.InceOpen10+7.5+0.75+0.30
Round 12S.LiuL.Zhang – Y.XiaClosed10-31.9-3.19-4.10
Round 14S.LiuY.Su – W.XieOpen10-16.1-1.61-2.60
Round 15S.LiuG.Mittelman – K.BercusonClosed10+29.3+2.93+5.60

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
+11.3Round 10JILIN BA73NT♠J-2+13
+10.2Round 3FORMIDABLES306♥♠A-1+11
+9.9Round 15CANADA Seniors274♠♥3=+11
+9.6Round 6YENOVA283NT♦4=+10
+9.5Round 4ASYMCHEM44♥♠J-3+14
+8.7Round 4ASYMCHEM74♠♣K=+10
+7.9Round 15CANADA Seniors295♥♠K-2+12
+7.8Round 7NEW ZEALAND Open55♣x♦7-2+9
+7.3Round 7NEW ZEALAND Open64♥x♠A-3+9
+7.1Round 5AUSTRALIA Seniors133NT♦Q-1+12
+7.1Round 9DONGFENG AUTO CO LTD214♠x♦A-1+11
+5.9Round 10JILIN BA33NT♥Q-2+11
+5.7Round 11TURKEY Seniors122♦♦6+2+7
+5.4Round 6YENOVA303NT♠4-1+10
+5.2Round 6YENOVA294♠♥10+1+13
+5.2Round 11TURKEY Seniors133NT♥3+1+10
+5.1Round 11TURKEY Seniors115♦♣4-1+4
+4.9Round 14BRIDGEFRIENDS195♦♠6-3+5
+3.8Round 5AUSTRALIA Seniors183♥♠9=+0
+3.7Round 10JILIN BA44♦♠Q-1+6
+3.4Round 9DONGFENG AUTO CO LTD291NT♠6-1+1
+3.4Round 12CCSA256♥♥4+1-11
+3.0Round 5AUSTRALIA Seniors122♠♦J+2+2
+2.8Round 15CANADA Seniors262NT♣Q=+11
+2.8Round 15CANADA Seniors303NT♦5-1+5
+2.7Round 3FORMIDABLES274♥♠2=+3
+2.7Round 14BRIDGEFRIENDS113NT♣8+1+0
+2.7Round 14BRIDGEFRIENDS184♥♦A=+3
+2.7Round 15CANADA Seniors222NT♠5+1+10
+2.5Round 7NEW ZEALAND Open22♠♦8-2+0
+2.5Round 15CANADA Seniors283NT♥J+3+11
+2.3Round 10JILIN BA102♠♥10+1+1
+2.2Round 11TURKEY Seniors163♥♣9+1+1
+1.8Round 15CANADA Seniors232♠♠2+1+1
+1.7Round 3FORMIDABLES234♠♣K-1+5
+1.7Round 4ASYMCHEM82NT♣5-1+4
+1.7Round 10JILIN BA11NT♦10=+5
+1.5Round 11TURKEY Seniors172♠♣7+1-6
+1.4Round 10JILIN BA9Pass-3
+1.1Round 3FORMIDABLES264♥♠4+2+13
+0.8Round 7NEW ZEALAND Open33♦♥10=+0
+0.6Round 5AUSTRALIA Seniors163♣♥8+1-7
+0.5Round 4ASYMCHEM54♠♥A=+0
+0.3Round 6YENOVA214♠♦5-3+6
+0.3Round 9DONGFENG AUTO CO LTD273♠♥A=+7
+0.2Round 11TURKEY Seniors182♥♣J-1+0
+0.2Round 15CANADA Seniors213♦♥A-1-3
+0.0Round 5AUSTRALIA Seniors173♠♣5=+0
+0.0Round 10JILIN BA86NT♦4=+11
-0.0Round 12CCSA292♠♣2+1+0
-0.1Round 3FORMIDABLES223NT♥10-1-5
-0.1Round 9DONGFENG AUTO CO LTD243♥♦5-1-4
-0.2Round 5AUSTRALIA Seniors113♠♠4=+0
-0.2Round 6YENOVA261NT♠Q-1-1
-0.2Round 7NEW ZEALAND Open13♥♦5-1+2
-0.3Round 4ASYMCHEM14♥♠K+1+0
-0.4Round 7NEW ZEALAND Open83NT♠J+2+10
-0.5Round 11TURKEY Seniors201NT♦6-1+0
-0.5Round 15CANADA Seniors253NT♣4=-1
-0.6Round 3FORMIDABLES245♣♣2+1+1
-0.6Round 4ASYMCHEM34♥♠K+2-11
-0.6Round 14BRIDGEFRIENDS124♠♠8=+0
-0.7Round 12CCSA263♥♦A=+0
-0.8Round 4ASYMCHEM91♠♠4=+5
-0.8Round 15CANADA Seniors243NT♠2+3-1
-1.2Round 12CCSA232♥♥3+2-1
-1.3Round 11TURKEY Seniors144♣♥A=+0
-1.6Round 5AUSTRALIA Seniors152♠♠A=-5
-1.6Round 6YENOVA231NT♣3+2+0
-1.7Round 14BRIDGEFRIENDS174♠♣6+1+0
-1.9Round 12CCSA211NT♣Q-2-3
-2.0Round 6YENOVA275♠♥A-1-8
-2.1Round 3FORMIDABLES251NT♠5+2-6
-2.1Round 14BRIDGEFRIENDS141NT♥3+2-1
-2.2Round 7NEW ZEALAND Open103♥♦4-1+1
-2.3Round 7NEW ZEALAND Open71NT♦7-2-3
-2.6Round 9DONGFENG AUTO CO LTD255♥♦6=-11
-2.7Round 9DONGFENG AUTO CO LTD282♠♥A-1+0
-2.7Round 10JILIN BA24♠♥A=-3
-3.1Round 14BRIDGEFRIENDS164♠x♣6-1-6
-3.2Round 9DONGFENG AUTO CO LTD225♦♠6-1-5
-3.5Round 12CCSA242NT♥J-1-9
-3.6Round 3FORMIDABLES214♥+1+0
-3.6Round 4ASYMCHEM24♥♠K+1-6
-3.8Round 5AUSTRALIA Seniors143NT♠Q-2+1
-3.8Round 14BRIDGEFRIENDS202♥♦A+1-7
-4.0Round 11TURKEY Seniors193NT♠J=+0
-4.1Round 9DONGFENG AUTO CO LTD233NT♥9+1-14
-4.2Round 3FORMIDABLES283NT♠Q+4-2
-4.3Round 4ASYMCHEM102♣♠K-1-5
-4.5Round 9DONGFENG AUTO CO LTD305♠♦A-3-11
-4.8Round 10JILIN BA64♠♣10-2-8
-5.1Round 6YENOVA222♦♣A=-6
-5.2Round 3FORMIDABLES294♠♠2=-10
-5.2Round 12CCSA225♥♠4+2-10
-5.6Round 4ASYMCHEM62♥♠7=-6
-5.6Round 10JILIN BA53NT♠Q-4-3
-5.8Round 7NEW ZEALAND Open94♥♦8+1+12
-5.9Round 5AUSTRALIA Seniors194♠♦3-3-7
-5.9Round 14BRIDGEFRIENDS134♠♠2-2-7
-6.2Round 12CCSA274♠♠4+3-3
-6.5Round 12CCSA303♦x♦A-2-4
-6.6Round 11TURKEY Seniors154♠♦5-1-13
-9.2Round 14BRIDGEFRIENDS154♠x♥4+1-13
-9.4Round 6YENOVA244♠x♥Q-3-9
-9.5Round 5AUSTRALIA Seniors204♠♦10=-10
-9.5Round 9DONGFENG AUTO CO LTD262♣♦7+4-15
-10.1Round 12CCSA286♥♥2=+0
-10.5Round 6YENOVA253NT♠3=-10
-14.5Round 7NEW ZEALAND Open44♠x♦K=-15