JI Steven · ITS MAGIC

440rank
-28.0Butler · 140 bds
-0.20per board
±4.1swing
-1.11vs par /bd · #533/567
-0.63adjusted /bd
Butler per round: -12.3 11.3 3.6 -18.5 11.3 -15.7 0.2 20.6 -6.1 3.5 -14.7 1.8 0.3 -13.3by round

vs par split: bidding -0.65 · play -0.46

Strength of schedule: opponents averaged -0.43/bd (an easy draw) → opponent-adjusted -0.63/bd

Card play — on target: opening leads 93.8% #20 of 567 · declarer play 83.3% #136 of 567 · defence 73.8% #532 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads90.0% (10)95.5% (22)
Declarer play75.0% (12)88.9% (18)
Defence78.6% (14)72.5% (51)

Opening leads by suit led: ♠ 87.5% (8) · ♥ 87.5% (8) · ♦ 100.0% (12) · ♣ 100.0% (4)

vs par by strain: NT -1.96 (45) · a suit -0.70 (95)

vs par by level: part-score -0.67 (55) · game -0.95 (82) · slam -13.33 (3)

By role: declaring -0.28/bd (-2.88 vs par · 75) · defending -0.10/bd (+0.94 vs par · 65)

By vulnerability: vulnerable -1.18/bd (-2.21 vs par · 72) · not vulnerable +0.84/bd (+0.06 vs par · 68)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1G.ChaiJ.Ma – C.DongOpen10-12.3-1.23-0.80
Round 2G.ChaiV.Markowicz – K.MoszczynskiOpen10+11.3+1.13-0.20
Round 3G.ChaiJ.Shi – F.DuOpen10+3.6+0.36+1.40
Round 4G.ChaiW.Lazer – P.GumbyOpen10-18.5-1.85-1.80
Round 5G.ChaiA.Adamson – D.KaneOpen10+11.3+1.13+1.90
Round 6G.ChaiH.Kim – M.Di FrancoOpen10-15.7-1.57-3.00
Round 7G.ChaiH.Yu – Y.ZhangOpen10+0.2+0.02-3.10
Round 8G.ChaiM.Oh – R.HeOpen10+20.6+2.06+2.10
Round 9G.ChaiD.Tao – T.WuOpen10-6.1-0.61-4.10
Round 10G.ChaiN.Kamal – M.ThakurOpen10+3.5+0.35-2.10
Round 11G.ChaiH.Dawson – H.PittOpen10-14.7-1.47-2.20
Round 13G.ChaiD.Fan – Y.MaOpen10+1.8+0.18+2.00
Round 14G.ChaiI.Hwang – M.ParkOpen10+0.3+0.03-1.70
Round 15G.ChaiH.Wang – Z.BaOpen10-13.3-1.33-3.90

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
+10.2Round 2POLAND Seniors124♠♣J=+3
+7.7Round 1CRE8IVE83NT♥K+2+1
+7.7Round 9ZJJDWUHANYUAN304♠♦Q=+0
+7.2Round 2POLAND Seniors194♠♣6-2+8
+7.1Round 15NEIMENGGU303NT♦3=+6
+6.1Round 8ENSEMBLE193NT♠2=+0
+6.0Round 10INDIA Women33NT♥K=+0
+6.0Round 13WUHAN ENGINEERING85♦♠9+1+11
+5.4Round 15NEIMENGGU214♥♠5-2+8
+5.2Round 11OZ ANGELS145♣♦Q=+7
+5.2Round 11OZ ANGELS193♣♥K+1+10
+5.0Round 3WUHAN295♥♠K-1+1
+5.0Round 5SCOTLAND BLUE194♠♦3-2+6
+4.9Round 9ZJJDWUHANYUAN274♠♥A-1+10
+4.9Round 14NEWB193NT♠5-3+5
+4.4Round 5SCOTLAND BLUE133NT♣3=-1
+4.4Round 5SCOTLAND BLUE174♠♣3-1+5
+4.3Round 13WUHAN ENGINEERING54♥♠8=+11
+4.2Round 7METALLURGY FED93NT♠2=-13
+4.1Round 3WUHAN233NT♣2-2+7
+3.9Round 10INDIA Women73NT♦8+1+1
+3.8Round 2POLAND Seniors114♠♦A=+0
+3.8Round 2POLAND Seniors163NT♠4=+7
+3.7Round 10INDIA Women104♠♦2-1+5
+3.6Round 1CRE8IVE34♥♦K-1+5
+3.6Round 6SEOUL MIXED275♠x♥A-1+9
+3.6Round 8ENSEMBLE124♥♦K+2+11
+3.4Round 8ENSEMBLE201NT♥2=-1
+3.2Round 7METALLURGY FED33NT♥10-1+5
+3.2Round 8ENSEMBLE185♠♣5=+0
+3.1Round 11OZ ANGELS173NT♦5-4-5
+3.0Round 14NEWB141NT♣10-1+4
+2.8Round 6SEOUL MIXED213NT♦6-1-4
+2.7Round 3WUHAN274♥♠2=+3
+2.7Round 10INDIA Women24♠♣A=+3
+2.4Round 14NEWB203♥♦A-1-1
+2.3Round 8ENSEMBLE133♠♠3-2+2
+2.2Round 7METALLURGY FED104♥♦5-1-1
+2.1Round 10INDIA Women11NT♦10-1-1
+2.0Round 1CRE8IVE93NT♥10-1+6
+2.0Round 13WUHAN ENGINEERING73NT♥2+2+0
+1.9Round 14NEWB113NT♦Q=-1
+1.7Round 4AUSTRALIA Seniors82♠♣10-1+4
+1.7Round 5SCOTLAND BLUE183NT♠9-1+6
+1.6Round 5SCOTLAND BLUE152♥♠Q=+5
+1.5Round 1CRE8IVE23♦♠9+1+0
+1.5Round 10INDIA Women91NT♥A=+5
+1.4Round 14NEWB132♠♦6=+0
+1.3Round 11OZ ANGELS163♥♠7=+0
+1.2Round 9ZJJDWUHANYUAN213♥♠J+1+6
+1.1Round 3WUHAN265♥♠K+1+13
+1.1Round 5SCOTLAND BLUE113♠♦6+1+1
+1.1Round 8ENSEMBLE162♥♣K=+5
+1.1Round 13WUHAN ENGINEERING42♥♠2=+0
+1.0Round 10INDIA Women86NT♣7+1-11
+0.9Round 2POLAND Seniors142NT♠J=+6
+0.9Round 6SEOUL MIXED242♦♣9+1+0
+0.8Round 7METALLURGY FED53♣♥3=+0
+0.8Round 15NEIMENGGU243NT♠5+3+1
+0.7Round 4AUSTRALIA Seniors102♠♥K-1+0
+0.7Round 14NEWB153♠♥4+1-7
+0.5Round 8ENSEMBLE153NT♣A+1+0
+0.5Round 9ZJJDWUHANYUAN263NT♥9+2-12
+0.5Round 15NEIMENGGU253NT♠9=+1
+0.4Round 6SEOUL MIXED262♦♥3=+1
+0.4Round 8ENSEMBLE174♣♦A-1+4
+0.4Round 13WUHAN ENGINEERING63♦♥6+1+7
+0.2Round 7METALLURGY FED14♥♣5-1-2
+0.2Round 11OZ ANGELS182♠♣5=+0
+0.1Round 4AUSTRALIA Seniors73♠♣K+1+1
+0.1Round 13WUHAN ENGINEERING93NT♠8+1-1
-0.0Round 8ENSEMBLE114♠♥K+1+0
+0.0Round 8ENSEMBLE143NT♣6+2+0
-0.1Round 3WUHAN223NT♣Q-1-5
-0.1Round 9ZJJDWUHANYUAN243♥♦6-1-4
-0.2Round 5SCOTLAND BLUE143♠♥J-1-5
-0.3Round 3WUHAN304♥♠A+1+0
-0.3Round 4AUSTRALIA Seniors14♥♠K+1+0
-0.3Round 13WUHAN ENGINEERING23♠♠2-1+10
-0.4Round 4AUSTRALIA Seniors54♠♥A+1-1
-0.4Round 7METALLURGY FED83NT♦6+1-10
-0.6Round 3WUHAN245♦♥4+1+1
-0.6Round 4AUSTRALIA Seniors34♥♠K+2-11
-0.6Round 5SCOTLAND BLUE163♣♥8+1+7
-0.6Round 6SEOUL MIXED302♥♣K+1-6
-0.6Round 14NEWB124♠♣K=+0
-0.7Round 9ZJJDWUHANYUAN255♥♥5+2-10
-0.8Round 11OZ ANGELS201NT♦6=-1
-0.9Round 6SEOUL MIXED223♥♦A=+0
-0.9Round 7METALLURGY FED22♠♦7-1+1
-1.0Round 5SCOTLAND BLUE122♣♦J=+1
-1.2Round 2POLAND Seniors203♠♥6=-8
-1.3Round 15NEIMENGGU263♥♣A-2-10
-1.4Round 11OZ ANGELS124♥♦J=+0
-1.5Round 7METALLURGY FED64♥♦5-5-3
-1.5Round 13WUHAN ENGINEERING103♥♠3-1-6
-1.5Round 14NEWB164♠♥A-1-5
-1.6Round 6SEOUL MIXED282NT♦4+1+0
-1.7Round 14NEWB174♠♦10+1+0
-2.5Round 2POLAND Seniors131NT♦K+2-1
-2.7Round 3WUHAN214♥♠K=+1
-2.7Round 7METALLURGY FED45♦♣4=-3
-2.7Round 9ZJJDWUHANYUAN282♥♦4=-1
-2.8Round 2POLAND Seniors182♥♣5=-1
-2.8Round 3WUHAN253♥♦A+1-7
-2.8Round 3WUHAN284♥♠Q+1+0
-2.9Round 1CRE8IVE52♣♣4+2-7
-3.3Round 6SEOUL MIXED253NT♥10-2-7
-3.3Round 15NEIMENGGU283NT♥J+2-11
-3.4Round 15NEIMENGGU233♦♠10-2-3
-3.5Round 1CRE8IVE63♠♥9-2+6
-3.5Round 13WUHAN ENGINEERING14♥♦Q=+0
-3.6Round 4AUSTRALIA Seniors25♥♦A=-6
-3.7Round 10INDIA Women45♦♠2-1-6
-3.9Round 4AUSTRALIA Seniors91NT♦K-1+1
-4.0Round 2POLAND Seniors173♠♦A-1-10
-4.0Round 10INDIA Women53♠♥A-2-7
-4.1Round 2POLAND Seniors154♥♦10+1-6
-4.1Round 9ZJJDWUHANYUAN233NT♥9+1-14
-4.4Round 6SEOUL MIXED233NT♥5-1-6
-4.7Round 1CRE8IVE42♠♣9-1-6
-4.8Round 9ZJJDWUHANYUAN223NT♣10-2-6
-4.9Round 7METALLURGY FED72♦♦3-1-5
-5.1Round 1CRE8IVE72♠♦A=-6
-5.1Round 5SCOTLAND BLUE204♠♣4-1-6
-5.1Round 11OZ ANGELS114♥♣A=-8
-5.2Round 1CRE8IVE13NT♥5+1+0
-5.7Round 1CRE8IVE103♥♣10=-7
-5.7Round 4AUSTRALIA Seniors43NT♠J+2+0
-5.9Round 15NEIMENGGU273♠♥7+1-7
-6.3Round 15NEIMENGGU294♥♠4-1-12
-6.5Round 4AUSTRALIA Seniors62♥♠7+1-6
-6.8Round 13WUHAN ENGINEERING33NT♦3-1-12
-6.9Round 15NEIMENGGU223NT♥Q-1-12
-8.0Round 9ZJJDWUHANYUAN294♠♥A=-10
-9.7Round 10INDIA Women64♠♦10=-10
-10.2Round 14NEWB186♥♣4-1-12
-10.5Round 11OZ ANGELS134♥♣8-3-10
-11.9Round 11OZ ANGELS154NT♦K-5-15
-12.6Round 6SEOUL MIXED297♠♥10-1-17