CHEN Dawei · JAPAN

1rank
+45.0Butler · 30 bds
+1.50per board
±5.6swing
+0.00vs par /bd
+1.43adjusted /bd
Butler per round: 22.8 7.3 14.9by round

vs par split: bidding -0.29 · play -0.14

Strength of schedule: opponents averaged -0.07/bd (an easy draw) → opponent-adjusted +1.43/bd

Card play — on target: opening leads 100.0% · declarer play 80.0% · defence 75.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads·100.0% (7)
Declarer play·80.0% (5)
Defence·75.0% (12)

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

vs par by strain: a suit -0.43 (21)

vs par by level: part-score +0.25 (4) · game +0.79 (14) · slam -7.00 (3)

By role: declaring +3.05/bd (-0.60 vs par · 15) · defending -0.05/bd (+0.60 vs par · 15)

By vulnerability: vulnerable +2.61/bd (+0.67 vs par · 15) · not vulnerable +0.39/bd (-0.67 vs par · 15)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2K.FurutaI.Breitman – J.PachecoOpen10+22.8+2.28-0.70
Round 3K.FurutaJ.Carrera – H.JordanClosed10+7.3+0.73+0.90
Round 4K.FurutaJ.Schnetzer Chauvaud – H.Israel AguillonOpen10+14.9+1.49-0.20

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
+11.3Round 2IPANEMA155♥x♠5-4+12
+11.1Round 2IPANEMA194♠x♥2=+12
+10.6Round 4SCHNETZER CHAUVAUD63N♦T=+10
+10.0Round 2IPANEMA206♣♥Q+1-13
+8.3Round 4SCHNETZER CHAUVAUD74♠♥T=+0
+8.0Round 3JUAN VALDEZ273N♣8=+7
+6.1Round 2IPANEMA143N♦6-1+5
+5.6Round 3JUAN VALDEZ293♠♣4-2+3
+5.3Round 4SCHNETZER CHAUVAUD54♠x♣A-3-5
+3.6Round 3JUAN VALDEZ234♥♣K-1+13
+2.8Round 4SCHNETZER CHAUVAUD101N♠Q+1+5
+2.5Round 4SCHNETZER CHAUVAUD44♠♣K=+0
+1.6Round 3JUAN VALDEZ213N♠9+1+0
+1.5Round 2IPANEMA164♠♥A=-1
+1.3Round 3JUAN VALDEZ282♠♠2+1+0
+1.2Round 3JUAN VALDEZ304♥♠4+1+0
-0.3Round 3JUAN VALDEZ262♠♥3+1+0
-0.4Round 3JUAN VALDEZ223N♦A+1+0
-0.5Round 2IPANEMA181N♥9+1-7
-0.6Round 4SCHNETZER CHAUVAUD11N♥9+1+1
-0.8Round 2IPANEMA124♥♠5+1+0
-0.9Round 4SCHNETZER CHAUVAUD21♥♠A=-2
-1.3Round 2IPANEMA134♠♦A+1+0
-3.3Round 4SCHNETZER CHAUVAUD84♥♣A=+1
-3.9Round 4SCHNETZER CHAUVAUD96♠♦9=+0
-5.1Round 3JUAN VALDEZ254♠♥Q=-7
-5.8Round 2IPANEMA116♣♦K-1-8
-5.9Round 4SCHNETZER CHAUVAUD33N♥8-1-12
-8.2Round 3JUAN VALDEZ245♦♣K=-7
-8.8Round 2IPANEMA174♠♣K=-7