🇯🇵 CHEN Dawei · JAPAN

27rank
+9.1Butler · 64 bds
+0.14per board
±3.3swing
+1.38vs par /bd
-0.05adjusted /bd
Butler per round: 9.1 9.1 9.1 9.1by round

vs par split: bidding +0.90 · play +0.44

Strength of schedule: opponents averaged -0.19/bd (an easy draw) → opponent-adjusted -0.05/bd

Card play — on target: opening leads 94.1% · declarer play 88.2% · defence 93.9%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (1)93.8% (16)
Declarer play100.0% (2)86.7% (15)
Defence85.7% (7)96.2% (26)

Opening leads by suit led: ♠ 100.0% (5) · ♥ 83.3% (6) · ♦ 100.0% (3) · ♣ 100.0% (3)

vs par by strain: NT +2.00 (12) · a suit +1.20 (51)

vs par by level: part-score -1.67 (21) · game +2.35 (40) · slam +13.00 (2)

By role: declaring -0.18/bd (-2.40 vs par · 30) · defending +0.43/bd (+4.71 vs par · 34)

By vulnerability: vulnerable +0.51/bd (+1.44 vs par · 32) · not vulnerable -0.23/bd (+1.31 vs par · 32)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16K.FurutaN.Warne – T.BergdahlClosed16+20.3+1.27+0.62
Round of 16K.FurutaF.Nystrom – J.UpmarkClosed16+8.9+0.56+1.69
Round of 16K.FurutaF.Nystrom – J.UpmarkClosed16-9.8-0.61+1.19
Round of 16K.FurutaF.Nystrom – J.UpmarkClosed16-10.3-0.64+2.00

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
+9.3Round of 16🇸🇪 SWEDEN396♣♦K+1+13
+8.3Round of 16🇸🇪 SWEDEN584♥♣2=-1
+5.6Round of 16🇸🇪 SWEDEN314♥♠5-1+12
+5.1Round of 16🇸🇪 SWEDEN55♣♥4+1+13
+4.7Round of 16🇸🇪 SWEDEN134♥♦6-1+6
+4.3Round of 16🇸🇪 SWEDEN303NT♣4-1+10
+4.3Round of 16🇸🇪 SWEDEN473NT♣5=+0
+4.3Round of 16🇸🇪 SWEDEN593NT♥2-3+11
+4.0Round of 16🇸🇪 SWEDEN91NT♠4+2+2
+3.4Round of 16🇸🇪 SWEDEN521♠♥10+2+11
+3.3Round of 16🇸🇪 SWEDEN233NT♥2-1+6
+2.9Round of 16🇸🇪 SWEDEN283♥♣A=+0
+2.7Round of 16🇸🇪 SWEDEN34♣♥4=-9
+2.7Round of 16🇸🇪 SWEDEN573♦♠K-2+11
+2.6Round of 16🇸🇪 SWEDEN41NT♦4=-1
+2.5Round of 16🇸🇪 SWEDEN254♠♣K-2+6
+2.4Round of 16🇸🇪 SWEDEN164♠♥Q=+0
+1.9Round of 16🇸🇪 SWEDEN24♠♥3+2-11
+1.9Round of 16🇸🇪 SWEDEN115♦♠10=-1
+1.9Round of 16🇸🇪 SWEDEN534♠♥9-1+6
+1.8Round of 16🇸🇪 SWEDEN242♠♥3-1+4
+1.6Round of 16🇸🇪 SWEDEN332♣x♠A-1-1
+1.4Round of 16🇸🇪 SWEDEN274♥♦K+3+2
+1.2Round of 16🇸🇪 SWEDEN186♦♦2+1+13
+1.1Round of 16🇸🇪 SWEDEN424♠♥10-1+6
+1.1Round of 16🇸🇪 SWEDEN514♥♦A=+8
+0.9Round of 16🇸🇪 SWEDEN84♥♦A-1-4
+0.8Round of 16🇸🇪 SWEDEN153♣♦Q=-1
+0.7Round of 16🇸🇪 SWEDEN324♠♦A+1+0
+0.1Round of 16🇸🇪 SWEDEN104♥♠8=+0
+0.1Round of 16🇸🇪 SWEDEN614♥♣A=+1
-0.0Round of 16🇸🇪 SWEDEN264♥♣A+1-1
-0.0Round of 16🇸🇪 SWEDEN414♠♠2+1+4
-0.1Round of 16🇸🇪 SWEDEN64♠♥A+1+4
-0.3Round of 16🇸🇪 SWEDEN1Pass+3
-0.3Round of 16🇸🇪 SWEDEN484♥♠6=+0
-0.4Round of 16🇸🇪 SWEDEN293NT♣K+1+0
-0.6Round of 16🇸🇪 SWEDEN202♠♦A+2-10
-0.7Round of 16🇸🇪 SWEDEN443NT♦5+1+0
-0.8Round of 16🇸🇪 SWEDEN562♠♣4+2+6
-0.9Round of 16🇸🇪 SWEDEN144♠♦K=+0
-1.1Round of 16🇸🇪 SWEDEN123NT♥K+1+0
-1.1Round of 16🇸🇪 SWEDEN375♣♥A-2-6
-1.4Round of 16🇸🇪 SWEDEN462♠♠5-2+1
-1.4Round of 16🇸🇪 SWEDEN623NT♥6+3+11
-1.5Round of 16🇸🇪 SWEDEN353♣♠A=+0
-1.7Round of 16🇸🇪 SWEDEN645♣♠A+1+11
-2.0Round of 16🇸🇪 SWEDEN344♠♣K+2+12
-2.7Round of 16🇸🇪 SWEDEN194♥♠A+1+0
-2.7Round of 16🇸🇪 SWEDEN361♠x♠Q-1-2
-2.8Round of 16🇸🇪 SWEDEN221NT♥10+2-10
-2.9Round of 16🇸🇪 SWEDEN453♣♥4+2-8
-3.3Round of 16🇸🇪 SWEDEN403♣♥3+1+0
-3.3Round of 16🇸🇪 SWEDEN492♠♣6+2-6
-3.3Round of 16🇸🇪 SWEDEN551NT♠Q=-5
-3.3Round of 16🇸🇪 SWEDEN633♥♠2-1-4
-3.5Round of 16🇸🇪 SWEDEN214♥♦2-2-5
-3.7Round of 16🇸🇪 SWEDEN544♠x♥10-1-5
-4.4Round of 16🇸🇪 SWEDEN74♥♠9-1+9
-4.7Round of 16🇸🇪 SWEDEN434♥♠3=+0
-4.8Round of 16🇸🇪 SWEDEN175♦♠3=+0
-5.5Round of 16🇸🇪 SWEDEN384♥♥6=+0
-6.9Round of 16🇸🇪 SWEDEN604♣♦4+2-13
-7.7Round of 16🇸🇪 SWEDEN505♦♣K-1-10