ZHU Bolin · JIANPING CONSTRUCTION

10rank
+10.6Butler · 10 bds
+1.06per board
±4.2swing
+1.20vs par /bd
+0.62adjusted /bd
by round

vs par split: bidding +2.57 · play +0.29

Strength of schedule: opponents averaged -0.44/bd (an easy draw) → opponent-adjusted +0.62/bd

Card play — on target: opening leads 50.0% · declarer play 100.0% · defence 66.7%

Card play by contract type — on target
vs NTvs a suit
Opening leads·50.0% (2)
Declarer play·100.0% (2)
Defence·66.7% (3)

Opening leads by suit led: ♥ 0.0% (1) · ♦ 100.0% (1)

vs par by strain: a suit +2.86 (7)

vs par by level: part-score +0.60 (5) · game +8.50 (2)

By role: declaring +1.42/bd (+1.40 vs par · 5) · defending +0.70/bd (+1.00 vs par · 5)

By vulnerability: vulnerable -0.30/bd (-2.20 vs par · 5) · not vulnerable +2.42/bd (+4.60 vs par · 5)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 4J.GeY.Lu – K.LinOpen10+10.6+1.06+1.20

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
+9.0Round 4CHEN33♣♥Q=+11
+5.5Round 4CHEN73♥♣A=+7
+4.3Round 4CHEN92♠♦A+2+2
+3.4Round 4CHEN15♠♦8-3+6
+0.8Round 4CHEN64♥♥2-3+11
+0.1Round 4CHEN23N♠4+1+0
-0.8Round 4CHEN10Pass-3
-2.7Round 4CHEN43♦♣Q+2-10
-3.6Round 4CHEN51N♣5+1-5
-5.4Round 4CHEN84♦♠A=-7