TAN Yoke Lan · SINGAPORE

61rank
-13.4Butler · 98 bds
-0.14per board
±4.3swing
-0.37vs par /bd · #69/107
-0.08adjusted /bd
Butler per round: -5.4 -6 3.3 0.3 4.5 -4.8 22.9 -4.9 -1.1 -15.8 3.3 6.1 -11.8 -4by round

vs par split: bidding -0.32 · play -0.09

Strength of schedule: opponents averaged +0.06/bd (a tough draw) → opponent-adjusted -0.08/bd

Card play — on target: opening leads 66.7% #99 of 107 · declarer play 66.7% #76 of 107 · defence 83.7% #67 of 107

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (6)77.8% (9)
Declarer play44.4% (9)83.3% (12)
Defence76.5% (17)88.5% (26)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 50.0% (2) · ♦ 50.0% (2) · ♣ 75.0% (4)

vs par by strain: NT -1.14 (36) · a suit +0.02 (61)

vs par by level: part-score -0.31 (42) · game -0.40 (47) · slam -1.00 (8)

By role: declaring -0.13/bd (-3.22 vs par · 54) · defending -0.14/bd (+3.14 vs par · 44)

By vulnerability: vulnerable +0.26/bd (-1.16 vs par · 50) · not vulnerable -0.55/bd (+0.46 vs par · 48)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1LIAO K. T.J.Holland – C.MariOpen7-5.4-0.77+1.00
Round 2LIAO K. T.H.Lasut – E.ManoppoOpen7-6.0-0.86+0.86
Round 3LIAO K. T.K.Yamada – M.InoOpen7+3.3+0.47+0.86
Round 4R.ZajacG.Szappanos – E.OtvosiOpen7+0.3+0.04-5.00
Round 5LIAO K. T.H.Dhariwal – R.LyallOpen7+4.5+0.64+0.00
Round 6LIAO K. T.L.Zhang – D.ChenOpen7-4.8-0.69-3.86
Round 7LIAO K. T.H.Zhang – H.LuOpen7+22.9+3.27+1.86
Round 8LIAO K. T.X.Shen – M.ShenOpen7-4.9-0.70-0.14
Round 9LIAO K. T.G.Lu – J.FuOpen7-1.1-0.16-2.86
Round 10LIAO K. T.E.Tse – R.LingClosed7-15.8-2.26-3.86
Round 18LIAO K. T.L.Lewis – P.LewisOpen7+3.3+0.47-0.71
Round 19LIAO K. T.B.Eisenberg – J.SternbergClosed7+6.1+0.87+2.43
Round 20LIAO K. T.L.Stansby – B.BramleyOpen7-11.8-1.69-0.57
Round 21LIAO K. T.K.Christiansen – H.LortzClosed7-4.0-0.57+4.86

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
+11.4Round 19STERNBERG22♠x♥6=+11
+10.2Round 5ENGINEERS67♣♣3=-2
+9.3Round 3PLATINUM196NT♦6-1+20
+8.2Round 3PLATINUM216♠♥J=-13
+7.6Round 19STERNBERG34♥♣10-1+6
+7.1Round 7HUBEI QIAOXIE214♠♥5=+7
+5.8Round 9SICHUAN DAHE COMPANY104♥♠K=+3
+5.6Round 2INDONESIA96♣♦A-1+10
+5.4Round 20LYNCH135♣x♠K+1+10
+5.1Round 9SICHUAN DAHE COMPANY94♠♥8-2+8
+5.0Round 4HUNGARY224♥♦A-1+5
+5.0Round 7HUBEI QIAOXIE154♠♣K+3-10
+4.7Round 5ENGINEERS33NT♠10-3+7
+4.4Round 10HK SENIOR FRIENDS213NT♠7-3+7
+4.2Round 7HUBEI QIAOXIE163NT♦4=+0
+4.2Round 8XINYUAN SENIOR TEAM52♠♥A=+6
+4.1Round 18LEWIS254♠♦K=+0
+3.8Round 7HUBEI QIAOXIE182NT♣9=-1
+3.7Round 20LYNCH113NT♠J-3+11
+3.6Round 2INDONESIA103NT♦10=-1
+3.6Round 7HUBEI QIAOXIE17Pass+4
+3.4Round 6HAINAN OLD MAN83NT♦J=-1
+2.5Round 18LEWIS234♥♥5=+0
+2.5Round 21LORTZ174♠♦A-2+8
+2.2Round 6HAINAN OLD MAN93NT♣6+1-12
+2.2Round 20LYNCH81NT♥Q=-1
+2.0Round 1HACKETT23NT♥5-2+6
+1.9Round 21LORTZ212♠♥6-1+4
+1.8Round 8XINYUAN SENIOR TEAM74♠♣8-1+6
+1.7Round 2INDONESIA123♦♦4=-1
+1.5Round 6HAINAN OLD MAN144♠♦A-2+5
+1.3Round 18LEWIS243♠♥10-1+4
+1.3Round 18LEWIS272♥♠9+1+0
+1.2Round 9SICHUAN DAHE COMPANY81NT♠2=-1
+1.1Round 1HACKETT42♠♥K=+6
+1.1Round 4HUNGARY264♠♣A+1-13
+1.0Round 21LORTZ161♠♦6+1+10
+0.8Round 3PLATINUM182NT♦2-2+0
+0.7Round 18LEWIS223NT♦6+1+0
+0.6Round 8XINYUAN SENIOR TEAM61NT♥4+1+10
+0.5Round 1HACKETT12♦♠A-1-4
+0.4Round 5ENGINEERS73NT♦3=+1
+0.4Round 7HUBEI QIAOXIE203NT♦6+3+12
+0.3Round 5ENGINEERS22♥♠5+1+0
+0.3Round 19STERNBERG72♦♣A=-2
+0.1Round 9SICHUAN DAHE COMPANY124♣♥3-1-2
-0.0Round 4HUNGARY253NT♣3+2-12
-0.0Round 4HUNGARY283NT♣4-1+6
+0.0Round 10HK SENIOR FRIENDS153♥♠9-1-3
+0.0Round 10HK SENIOR FRIENDS184♥♠5=-1
-0.1Round 21LORTZ193♠♣K+2+9
-0.2Round 8XINYUAN SENIOR TEAM23♥♥3+2-10
-0.4Round 4HUNGARY243NT♠5=+2
-0.5Round 1HACKETT32♠♣9-1-1
-0.5Round 10HK SENIOR FRIENDS164♥♠4+1+0
-0.7Round 2INDONESIA135♥♠A=+0
-0.8Round 6HAINAN OLD MAN132♠♥A=-1
-0.9Round 6HAINAN OLD MAN114♠♥A-2+1
-1.0Round 1HACKETT51NT♥3+1-1
-1.2Round 7HUBEI QIAOXIE193♠♣6-1+1
-1.2Round 19STERNBERG53♠♣8=+0
-1.3Round 21LORTZ151NT♦9-1+0
-1.5Round 5ENGINEERS52♥♣A+1+0
-1.6Round 3PLATINUM153♥♦Q-1-2
-1.8Round 4HUNGARY274♣♦A+1-6
-1.9Round 18LEWIS264♥♠3+1+0
-2.1Round 10HK SENIOR FRIENDS193♥♣4+1-2
-2.1Round 20LYNCH102♠♦K+1+0
-2.2Round 1HACKETT73NT♥5+2-1
-2.2Round 19STERNBERG14♠♠2-1+2
-2.5Round 2INDONESIA143♥♣K-2+0
-2.6Round 5ENGINEERS12NT♥9+2-6
-2.9Round 3PLATINUM172♥♠K+1+0
-2.9Round 20LYNCH92♠♣10+2-1
-3.0Round 21LORTZ186♣♣8=+11
-3.2Round 9SICHUAN DAHE COMPANY135♠♦2+2-17
-3.4Round 2INDONESIA83♣♠10=+0
-3.6Round 4HUNGARY236NT♥8-2-17
-3.6Round 8XINYUAN SENIOR TEAM13NT♦9+1+0
-3.8Round 8XINYUAN SENIOR TEAM32NT♠5+2-1
-3.9Round 8XINYUAN SENIOR TEAM41NT♣A+1-12
-4.4Round 19STERNBERG65♥x♠10-3+4
-4.7Round 9SICHUAN DAHE COMPANY112♥♥A+1-6
-4.7Round 18LEWIS285♣♠A-1-9
-5.0Round 6HAINAN OLD MAN103NTx♠Q-1-8
-5.0Round 21LORTZ203♠♣10-2-8
-5.1Round 3PLATINUM163NT♣6+3-11
-5.2Round 6HAINAN OLD MAN123NT♠2-2-11
-5.3Round 1HACKETT64♣♦Q-1+2
-5.4Round 3PLATINUM203NT♠9+2+12
-5.4Round 9SICHUAN DAHE COMPANY144♠♦J-2-5
-5.4Round 19STERNBERG43♣♥K-3-4
-5.6Round 10HK SENIOR FRIENDS204♥♦6-2-13
-7.0Round 5ENGINEERS44NT♠J=+0
-8.4Round 20LYNCH123NTx♥6-1-12
-9.7Round 20LYNCH143NT♥Q-1-11
-10.3Round 2INDONESIA116♠♣A=-2
-12.0Round 10HK SENIOR FRIENDS176NT♦4-5-15