LING Roger · MASTER MINDS

241rank
-4.5Butler · 42 bds
-0.11per board
±4.1swing
-0.12vs par /bd · #210/399
-0.30adjusted /bd
Butler per round: 7.7 -10.6 -5 7 -22.4 18.8by round

vs par split: bidding +0.05 · play -0.17

Strength of schedule: opponents averaged -0.20/bd (an easy draw) → opponent-adjusted -0.30/bd

Card play — on target: opening leads 85.7% #127 of 398 · declarer play 80.0% #124 of 398 · defence 82.6% #255 of 399

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (2)83.3% (12)
Declarer play75.0% (4)83.3% (6)
Defence75.0% (4)84.2% (19)

Opening leads by suit led: ♠ 100.0% (4) · ♥ 75.0% (4) · ♦ 100.0% (5) · ♣ 0.0% (1)

vs par by strain: NT +1.20 (10) · a suit -0.53 (32)

vs par by level: part-score +0.00 (16) · game -1.26 (23) · slam +8.00 (3)

By role: declaring +0.99/bd (-1.90 vs par · 19) · defending -1.02/bd (+1.35 vs par · 23)

By vulnerability: vulnerable +0.40/bd (-0.10 vs par · 19) · not vulnerable -0.53/bd (-0.13 vs par · 23)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2A.YeungX.Ou – Z.WuOpen7+7.7+1.10+1.14
Round 3A.YeungS.Garner – C.HennerOpen7-10.6-1.51-2.43
Round 5P.LingX.Jing – X.LiClosed7-5.0-0.71-0.29
Round 6A.YeungJ.Rosenfeld – J.GuOpen7+7.0+1.00-1.71
Round 7A.YeungJ.Li – L.ShenOpen7-22.4-3.20+1.00
Round 8A.YeungD.Stern – W.BurgessOpen7+18.8+2.69+1.57

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 8BURGESS233NT♠Q=+3
+7.5Round 6PANDA83NT♥Q=-1
+7.2Round 8BURGESS275♥x♠3-3+8
+6.4Round 6PANDA116♥♣A=+0
+5.7Round 2SANYA-HONGYE146♠♥4-2+11
+5.2Round 2SANYA-HONGYE124♠♣10=+3
+4.7Round 8BURGESS223♥♠6-2+3
+4.6Round 5HEILONGJIANG TEAM62♠♦A+2+7
+2.3Round 2SANYA-HONGYE103NT♣8=+0
+2.2Round 7SHENZHEN162♠♣K+2+1
+2.2Round 8BURGESS254♠x♣6-1+5
+1.8Round 5HEILONGJIANG TEAM32♠♦4+1+7
+1.1Round 6PANDA104♥♠3+1+0
+1.0Round 3CHIME214♠♥10+1+0
+0.6Round 6PANDA131NT♠6+2+10
+0.4Round 2SANYA-HONGYE93♣♠5-1+6
+0.4Round 3CHIME203NT♠Q+1-1
+0.1Round 3CHIME194♥♠A+1+0
+0.1Round 5HEILONGJIANG TEAM24♥♠J+1+0
-0.1Round 8BURGESS284♥♣3-2-1
-0.3Round 6PANDA94♥♣10+1+0
-0.6Round 5HEILONGJIANG TEAM52♠♥4=-1
-0.6Round 7SHENZHEN173NT♠8=+11
-1.0Round 3CHIME161NT♣2+2+0
-1.2Round 7SHENZHEN153♣♥6+2-2
-1.3Round 2SANYA-HONGYE133NT♦6+1-1
-1.8Round 2SANYA-HONGYE112♠♥10-1-5
-1.9Round 5HEILONGJIANG TEAM72♥♦A=-6
-2.0Round 3CHIME183♣♥K=-7
-2.2Round 7SHENZHEN192♠♦7=+0
-2.2Round 8BURGESS243NT♥3+2+0
-2.8Round 2SANYA-HONGYE85♥x♠A+1-6
-2.8Round 7SHENZHEN203♠♦J-1-5
-3.2Round 8BURGESS264♣♠4-2-7
-4.0Round 3CHIME154♥♣A=-8
-4.1Round 6PANDA143NT♠J-2-9
-4.2Round 5HEILONGJIANG TEAM44♠♥J+1+0
-4.2Round 6PANDA124♥♣10+3-12
-4.8Round 5HEILONGJIANG TEAM15♠♥2-2-9
-5.1Round 3CHIME172♠♥A+1-1
-8.8Round 7SHENZHEN186♠♥2+1+13
-9.0Round 7SHENZHEN214♠♦5+1-11