LU Dong · BEIJING TRINERGY

250rank
-12.0Butler · 60 bds
-0.20per board
±3.4swing
+0.03vs par /bd · #181/379
-0.07adjusted /bd
Butler per round: 15.3 -2.4 2.9 -11.2 -1.1 -15.5by round

vs par split: bidding +0.17 · play -0.13

Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted -0.07/bd

Card play — on target: opening leads 64.7% #364 of 379 · declarer play 69.2% #228 of 379 · defence 81.2% #260 of 379

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)66.7% (12)
Declarer play66.7% (3)70.0% (10)
Defence58.3% (12)95.0% (20)

Opening leads by suit led: ♠ 66.7% (6) · ♥ 33.3% (3) · ♦ 50.0% (2) · ♣ 83.3% (6)

vs par by strain: NT -1.28 (18) · a suit +0.59 (42)

vs par by level: part-score -1.17 (29) · game +1.63 (30) · slam -13.00 (1)

By role: declaring -0.14/bd (-2.89 vs par · 28) · defending -0.25/bd (+2.59 vs par · 32)

By vulnerability: vulnerable +0.87/bd (+0.80 vs par · 30) · not vulnerable -1.27/bd (-0.73 vs par · 30)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Y.HuangH.Sawicki – R.FrenkelOpen10+15.3+1.53+4.30
Round 3Y.HuangG.Osborne – F.HindenClosed10-2.4-0.24+0.00
Round 4Y.HuangV.Cornell – M.CornellClosed10+2.9+0.29-2.00
Round 7Y.HuangV.Vainikonis – A.GulevichOpen10-11.2-1.12-0.20
Round 8Y.HuangA.Nikitina – V.GusevClosed10-1.1-0.11-0.10
Round 10Y.HuangE.Banaszkiewicz – L.BredeClosed10-15.5-1.55-1.80

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
+11.2Round 1MELBOURNE 1103NT♥4-1+13
+9.4Round 4CORNELL76♦♣K=-13
+6.3Round 8BRIDGE OF KING F1182♠♣10+1+8
+5.7Round 3BADGER214♠♦6-1+10
+5.6Round 8BRIDGE OF KING F1204♥♦10=+3
+3.8Round 8BRIDGE OF KING F1163♣♥2+1-1
+3.6Round 1MELBOURNE 172♠♥J=+6
+3.2Round 1MELBOURNE 124♠♦J-3+7
+1.9Round 3BADGER274♠♣2-1+10
+1.8Round 1MELBOURNE 114♥♣K=-1
+1.8Round 10MORAWSKI24♥♦2+1+0
+1.7Round 1MELBOURNE 182♠♦8-1+2
+1.5Round 7VYTAS61♥♦6+3+1
+1.2Round 3BADGER283♦♣10-2-1
+1.2Round 4CORNELL22♥♦K-1+4
+1.1Round 4CORNELL14♠♥2=+0
+1.1Round 7VYTAS93NT♥Q-3-3
+1.0Round 3BADGER254♥♠K=+0
+0.7Round 3BADGER233♦♠2=-9
+0.7Round 3BADGER261♥♠3+1+0
+0.7Round 4CORNELL44♠♣8=+0
+0.6Round 8BRIDGE OF KING F1175♦♣2=+11
+0.2Round 8BRIDGE OF KING F1143NT♥10-1-4
+0.1Round 7VYTAS13♣♦3+1-7
+0.1Round 8BRIDGE OF KING F1131NT♠A+1+0
+0.1Round 10MORAWSKI104♥♠2=+1
-0.2Round 1MELBOURNE 154♠♥5+1+11
-0.5Round 8BRIDGE OF KING F1153♠♣10-2-2
-0.7Round 1MELBOURNE 164♥♦Q+1+13
-0.8Round 10MORAWSKI53♣♦4-2-2
-0.9Round 1MELBOURNE 132NT♠5=+0
-0.9Round 7VYTAS23NT♠A+2+0
-0.9Round 10MORAWSKI72♠♣7=+1
-0.9Round 10MORAWSKI94♥♠K+1+13
-1.0Round 3BADGER291NT♥2-1+0
-1.1Round 4CORNELL63NT♠3=-3
-1.1Round 4CORNELL102♦♠9-1+1
-1.1Round 7VYTAS41NT♥2=+0
-1.1Round 7VYTAS54♥♦A+2+11
-1.2Round 4CORNELL91NT♥9+1+1
-1.3Round 10MORAWSKI41NT♠6+1-1
-1.3Round 10MORAWSKI83♣♣J-1-4
-1.7Round 4CORNELL82♠♥Q+1-1
-1.7Round 7VYTAS33♥♣Q-3-1
-1.9Round 4CORNELL53♥♦3=-10
-1.9Round 10MORAWSKI64♠♣J+1-8
-2.0Round 7VYTAS103NT♥3+1+1
-2.1Round 1MELBOURNE 142♦♣3=-5
-2.3Round 1MELBOURNE 195♣♠2+1-3
-2.5Round 4CORNELL33♣♥4=+1
-2.7Round 10MORAWSKI13♥♦4+1-7
-3.4Round 3BADGER223♥♦3-1-5
-3.4Round 3BADGER243NT♦3-1-5
-3.4Round 7VYTAS83NT♠9+2-1
-3.4Round 8BRIDGE OF KING F1194♠x♣2-2-9
-3.7Round 7VYTAS71NT♠5-2-3
-5.8Round 3BADGER304♥♦K=+0
-6.9Round 8BRIDGE OF KING F1113NT♣A+1+0
-6.9Round 8BRIDGE OF KING F1123NT♥5=-7
-7.6Round 10MORAWSKI33NT♥2-1-11