CORNELL Vivien · STERN

569rank
-39.3Butler · 110 bds
-0.36per board
±4.1swing
-0.07vs par /bd · #364/672
-0.49adjusted /bd
Butler per round: -4.6 20.7 -9.6 16.5 18.6 -24.5 -35 -13.1 -10 -6.9 8.6by round

vs par split: bidding -0.44 · play +0.23

Strength of schedule: opponents averaged -0.14/bd (an easy draw) → opponent-adjusted -0.49/bd

Card play — on target: opening leads 65.0% #628 of 671 · declarer play 66.7% #566 of 671 · defence 77.5% #568 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·65.0% (20)
Declarer play·66.7% (12)
Defence·77.5% (40)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 40.0% (5) · ♦ 75.0% (4) · ♣ 66.7% (6)

vs par by strain: a suit -0.20 (73)

vs par by level: part-score -0.72 (36) · game -1.60 (30) · slam +8.43 (7)

By role: declaring -0.53/bd (-2.84 vs par · 49) · defending -0.22/bd (+2.15 vs par · 61)

By vulnerability: vulnerable -0.18/bd (-0.14 vs par · 59) · not vulnerable -0.56/bd (+0.00 vs par · 51)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3M.CornellX.Xue – L.HuClosed10-4.6-0.46-2.20
Round 4M.CornellH.Uman – A.Gonzales NogueraClosed10+20.7+2.07+2.10
Round 5M.CornellH.Chen – X.LiClosed10-9.6-0.96-0.70
Round 6M.CornellI.Herbst – R.Benin-BarrOpen10+16.5+1.65+2.90
Round 7M.CornellM.Ghanem – S.BarakatOpen10+18.6+1.86+2.90
Round 8M.CornellJ.Piekarek – A.SmirnovClosed10-24.5-2.45-2.20
Round 9M.CornellH.Chen – Z.ChenClosed10-35.0-3.50-4.00
Round 10M.CornellF.Liu – C.WangOpen10-13.1-1.31-3.00
Round 11M.CornellA.Sequeira – A.RuiaOpen10-10.0-1.00-0.60
Round 12M.CornellY.Zhao – L.DongClosed10-6.9-0.69+0.00
Round 13M.CornellM.Park – I.HwangClosed10+8.6+0.86+4.00

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
+11.1Round 4SOCMA33N♥5-1+13
+8.4Round 7PETRA86♦x♠K-3+13
+7.4Round 12BLUEMAROON276♥♠A-1+12
+7.2Round 4SOCMA45♦♥J=-1
+7.0Round 12BLUEMAROON214♥♦6+1+8
+6.9Round 3BEIJING ZHU YE243N♣K+1+7
+6.8Round 13HAPPY BRIDGE86♠♦Q-1+17
+5.6Round 13HAPPY BRIDGE22♥♣5+2+10
+5.4Round 6HERBST231♣♥7-1+6
+5.3Round 6HERBST216♥♣A-1+11
+4.9Round 3BEIJING ZHU YE264♣♦K+1+4
+4.7Round 7PETRA23♠♣2=+6
+4.5Round 13HAPPY BRIDGE66♣♥4-1+14
+4.4Round 6HERBST244♥♠K-3+7
+4.2Round 5CHINA LIUPANSHUI193♠♥3=+6
+4.1Round 11INDIA RED173N♠8-3+6
+3.4Round 9XIAMEN272♠♦9+2+1
+3.3Round 3BEIJING ZHU YE303N♣9=-6
+3.1Round 6HERBST303♦♠4=-1
+3.0Round 13HAPPY BRIDGE43N♠J=-2
+2.6Round 6HERBST254♥♥5-1+6
+2.6Round 8GERMANY OPEN204♠♥K=+0
+2.5Round 4SOCMA93♣♦3=+0
+2.4Round 5CHINA LIUPANSHUI153N♣2+1+11
+2.1Round 11INDIA RED183♣♠2=+0
+1.9Round 7PETRA74♠♥4-1+6
+1.7Round 11INDIA RED153♠♣A=+6
+1.6Round 5CHINA LIUPANSHUI204♥♣2+1+0
+1.6Round 11INDIA RED123♠♦6=+10
+1.5Round 9XIAMEN303♠♣K=+0
+1.5Round 12BLUEMAROON294♠♥Q-1+0
+1.2Round 10TONGJI UNIVERSITY32♥♦K+2+1
+1.1Round 4SOCMA23N♠4=+1
+1.1Round 6HERBST263N♥10+1+5
+1.0Round 4SOCMA51N♦5-1-1
+1.0Round 6HERBST283N♥4+1+1
+1.0Round 7PETRA13N♦7+2+0
+0.8Round 4SOCMA15♦♥6-1+4
+0.8Round 7PETRA56♦♠2-1+3
+0.8Round 7PETRA94♥♥10+2-11
+0.7Round 3BEIJING ZHU YE223N♠2+1-5
+0.5Round 5CHINA LIUPANSHUI113♣♣K-1-4
+0.5Round 5CHINA LIUPANSHUI162♠♣A=+1
+0.5Round 12BLUEMAROON233N♠6-1+6
+0.4Round 7PETRA31N♦2=+9
+0.4Round 9XIAMEN285♦♠A+1-5
+0.4Round 13HAPPY BRIDGE74♥♠9=-1
+0.3Round 7PETRA102♣♣Q+1+1
+0.3Round 13HAPPY BRIDGE102N♠2+1+1
+0.2Round 6HERBST274♥♦K-1+5
+0.2Round 7PETRA43N♠4+1+1
+0.2Round 10TONGJI UNIVERSITY71N♦5=+9
+0.1Round 7PETRA64♥♣J=+1
+0.1Round 11INDIA RED203N♠5+3+13
+0.0Round 13HAPPY BRIDGE94♠♠4+1+0
-0.3Round 3BEIJING ZHU YE212N♣10=-1
-0.3Round 10TONGJI UNIVERSITY54♠♦6+2-11
-0.4Round 4SOCMA63♠♣10+2+10
-0.5Round 3BEIJING ZHU YE295♦♥Q=+2
-0.6Round 4SOCMA71N♥2+1+1
-0.6Round 8GERMANY OPEN173N♥7=+6
-0.7Round 5CHINA LIUPANSHUI143N♠Q-1-2
-0.8Round 4SOCMA10Pass-3
-0.8Round 12BLUEMAROON224♣♥K=+0
-0.8Round 13HAPPY BRIDGE33N♦10+2+0
-0.9Round 8GERMANY OPEN134♠♠3+2-7
-0.9Round 9XIAMEN244♥♦2=+5
-0.9Round 10TONGJI UNIVERSITY11N♦A-1-4
-1.0Round 6HERBST222♠♦A+1-6
-1.0Round 10TONGJI UNIVERSITY42♠♥A-1-5
-1.0Round 10TONGJI UNIVERSITY102♠♣5+1-1
-1.1Round 8GERMANY OPEN142♥♠3=+0
-1.2Round 4SOCMA83♦♣4-1-3
-1.2Round 11INDIA RED132♥♠2=-1
-1.2Round 12BLUEMAROON253N♣2=+5
-1.3Round 12BLUEMAROON304♥♦K-1-5
-1.4Round 10TONGJI UNIVERSITY64♠♣K+1-1
-1.5Round 8GERMANY OPEN182♠♠J=+0
-1.5Round 13HAPPY BRIDGE53N♠6+3+12
-1.7Round 5CHINA LIUPANSHUI121N♣J+3-2
-1.9Round 9XIAMEN293N♣6-2-3
-2.3Round 3BEIJING ZHU YE234♠♥2+1+0
-2.3Round 5CHINA LIUPANSHUI171N♠2=+1
-2.3Round 9XIAMEN232♦♠A-2-2
-2.3Round 10TONGJI UNIVERSITY82♠♣J+1-6
-2.7Round 8GERMANY OPEN192♠♥K-2+0
-2.7Round 11INDIA RED195♥x♠A-3-3
-3.2Round 10TONGJI UNIVERSITY22♣♥4-1-7
-3.2Round 11INDIA RED143♦♠2+3-15
-3.8Round 8GERMANY OPEN164♠♥K-1-5
-4.1Round 3BEIJING ZHU YE274♣x♦Q-1-6
-4.4Round 10TONGJI UNIVERSITY95♦♥10-2-5
-4.6Round 8GERMANY OPEN113N♦J+1-4
-5.0Round 3BEIJING ZHU YE252♠x♥6-2-5
-5.6Round 6HERBST292♣♠4=-5
-5.7Round 11INDIA RED113♥♦A-1-9
-5.9Round 8GERMANY OPEN121♠♠A-3-4
-6.0Round 8GERMANY OPEN152♠♦6-2-8
-6.3Round 5CHINA LIUPANSHUI133N♥K-1-11
-6.5Round 12BLUEMAROON243N♣8=-11
-6.6Round 12BLUEMAROON284♠♦K=-5
-6.8Round 11INDIA RED166N♠9-1-13
-6.9Round 12BLUEMAROON264♥♥2-3-10
-7.1Round 9XIAMEN224♠♦6=-5
-7.8Round 5CHINA LIUPANSHUI184♠♣3=-7
-8.2Round 3BEIJING ZHU YE283N♠4-2-12
-8.5Round 9XIAMEN213N♦J-1-11
-9.0Round 9XIAMEN253N♦2=-10
-9.7Round 13HAPPY BRIDGE16♠♠2-2-11
-10.6Round 9XIAMEN264♠♣6=-10