VIEIRA Roger · TRINIDAD AND TOBAGO

142rank
+25.2Butler · 60 bds
+0.42per board
±4.0swing
+0.27vs par /bd · #225/672
+0.09adjusted /bd
Butler per round: -26.3 25.8 -2.1 22.8 15.8 -10.8by round

vs par split: bidding +0.35 · play +0.12

Strength of schedule: opponents averaged -0.33/bd (an easy draw) → opponent-adjusted +0.09/bd

Card play — on target: opening leads 80.0% #404 of 671 · declarer play 88.9% #84 of 671 · defence 90.9% #101 of 672

Card play by contract type — on target
vs NTvs a suit
Opening leads·80.0% (10)
Declarer play·88.9% (9)
Defence·90.9% (22)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (2) · ♦ 75.0% (4) · ♣ 66.7% (3)

vs par by strain: a suit +0.47 (40)

vs par by level: part-score -0.50 (20) · game +0.84 (19) · slam +13.00 (1)

By role: declaring +0.48/bd (-1.96 vs par · 27) · defending +0.37/bd (+2.09 vs par · 33)

By vulnerability: vulnerable +0.05/bd (+0.09 vs par · 34) · not vulnerable +0.90/bd (+0.50 vs par · 26)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3D.ClarkeC.Liu – W.NieClosed10-26.3-2.63-1.10
Round 7D.ClarkeA.Weber – A.DelorenzoOpen10+25.8+2.58+1.50
Round 8T.HartL.Shen – L.WangClosed10-2.1-0.21-0.60
Round 9T.HartY.Mei – G.LeiClosed10+22.8+2.28+2.90
Round 10T.HartN.Senior – G.Hecht-JohansenClosed10+15.8+1.58+0.60
Round 11R.MappS.Wu – P.WangOpen10-10.8-1.08-1.70

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
+9.7Round 9HUBEI YICHANG223N♣4-2+12
+6.8Round 11JIEFANG-HEJI CLUB166♠♣9-1+13
+6.6Round 10FIREWORKS25♦x♥K=+4
+6.0Round 7ANDREW13♥♣8+1+7
+6.0Round 7ANDREW22♥♣K-3+5
+5.8Round 7ANDREW54♠♦Q+1+6
+5.5Round 9HUBEI YICHANG291N♠2+1+6
+5.2Round 9HUBEI YICHANG213N♣7+2+6
+5.2Round 10FIREWORKS94♥♠4=+8
+5.0Round 10FIREWORKS84♠♦A-3+2
+4.6Round 8QING HAI113N♦6+1+4
+3.8Round 7ANDREW73♠♥4=+0
+3.7Round 3CHINA LIUPANSHUI265♣♦A=+7
+3.2Round 11JIEFANG-HEJI CLUB142♦♣4+4+15
+3.1Round 9HUBEI YICHANG264♠♦7-1+6
+3.0Round 10FIREWORKS11N♠10-2+1
+2.3Round 9HUBEI YICHANG253N♦2-1+6
+2.2Round 3CHINA LIUPANSHUI293N♠6+2+0
+2.1Round 11JIEFANG-HEJI CLUB122♥x♦K-2-8
+1.6Round 7ANDREW84♥x♦5-1-5
+1.6Round 9HUBEI YICHANG272♠♦9=-1
+1.5Round 8QING HAI173N♥9+1-5
+1.4Round 8QING HAI192♦♥K-1-2
+1.2Round 11JIEFANG-HEJI CLUB132♥♣4=+1
+1.1Round 3CHINA LIUPANSHUI242♦♥J=+2
+1.1Round 7ANDREW32♥♦2+1-8
+0.9Round 7ANDREW64♥♣J+1+0
+0.9Round 8QING HAI134♠♦9+2+7
+0.7Round 7ANDREW102♥♣Q+1+0
+0.4Round 9HUBEI YICHANG285♦♠A+1-5
+0.3Round 3CHINA LIUPANSHUI212N♣9=+1
+0.1Round 7ANDREW94♥♦2+1+11
-0.0Round 10FIREWORKS102♠♣5=+0
-0.1Round 8QING HAI162♠♥K=+1
-0.1Round 11JIEFANG-HEJI CLUB203N♠5+3-13
-0.2Round 7ANDREW44♥♠4=-1
-0.3Round 10FIREWORKS54♠♦8+2-11
-0.5Round 10FIREWORKS73♣♠8=+9
-0.7Round 8QING HAI142♦♥9-1-2
-0.8Round 10FIREWORKS32♦♣Q-2-1
-0.9Round 9HUBEI YICHANG244♥♠J=+5
-1.0Round 10FIREWORKS41N♣7-1-5
-1.1Round 9HUBEI YICHANG231N♥2+2-1
-1.2Round 11JIEFANG-HEJI CLUB194♠♣J+1-1
-1.3Round 8QING HAI151N♣2+1+1
-1.3Round 11JIEFANG-HEJI CLUB172♠♣Q-1-4
-1.4Round 10FIREWORKS64♠♣K+1-1
-1.7Round 3CHINA LIUPANSHUI223N♠2+2+4
-2.4Round 8QING HAI182♠♥Q-1-4
-2.6Round 8QING HAI204♠♦J=+0
-3.0Round 9HUBEI YICHANG304♠♥Q-1-5
-3.4Round 8QING HAI123N♣7-2-6
-3.4Round 11JIEFANG-HEJI CLUB113N♣J+1+0
-3.9Round 3CHINA LIUPANSHUI303N♥9+1+5
-6.3Round 3CHINA LIUPANSHUI283N♠4+1-5
-6.5Round 3CHINA LIUPANSHUI251N♥10-2-7
-6.5Round 3CHINA LIUPANSHUI273N♠4=-7
-8.1Round 11JIEFANG-HEJI CLUB154♠♦7+1-11
-8.7Round 3CHINA LIUPANSHUI233♣♥2+2-11
-10.0Round 11JIEFANG-HEJI CLUB183♠x♥6-2-9