CHEN Dawei · TRICK OR TREAT

22rank
+84.2Butler · 84 bds
+1.00per board
±4.3swing
+1.13vs par /bd · #47/675
+1.25adjusted /bd
Butler per round: 28.1 39.3 16.3 4.4 -3.5 -0.4by round

vs par split: bidding +0.50 · play +0.63

Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted +1.25/bd

Card play — on target: opening leads 82.4% #142 of 675 · declarer play 88.9% #58 of 675 · defence 91.9% #82 of 675

Bidding activity — not a pass: 44.3% #271 of 675 (98/221)

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (5)83.3% (12)
Declarer play85.7% (7)90.0% (20)
Defence80.0% (10)96.3% (27)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 100.0% (4) · ♦ 100.0% (2) · ♣ 71.4% (7)

vs par by strain: NT +0.12 (24) · a suit +1.53 (60)

vs par by level: part-score +1.82 (28) · game +0.48 (50) · slam +3.33 (6)

By role: declaring +0.91/bd (-1.62 vs par · 47) · defending +1.12/bd (+4.62 vs par · 37)

By vulnerability: vulnerable +1.02/bd (+1.00 vs par · 42) · not vulnerable +0.98/bd (+1.26 vs par · 42)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.GuT.Meddoun – M.BenaliOpen14+28.1+2.01+3.21
Round 3J.GuH.So – L.KuoOpen14+39.3+2.81+2.57
Round 4J.GuT.Townsend – B.Handley-PritchardOpen14+16.3+1.16+0.79
Round 6J.GuM.Montanari – G.Delle CaveClosed14+4.4+0.31+1.21
Round 7J.GuH.Poon – M.ShengClosed14-3.5-0.25+0.00
Round 8J.GuC.Lorenzini – T.BessisClosed14-0.4-0.03-1.00

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
+10.9Round 4KNOTTENBELT186♠♥A=+1
+10.8Round 3AMANDA45♥x♥8-2+12
+9.2Round 3AMANDA13♦x♣2-4+9
+8.6Round 6LIVIA276♦♥5=+0
+8.4Round 1MORROCO124♥♥6-1+10
+8.4Round 6LIVIA184♥♠4-2+14
+8.4Round 8FLEISHER245♣x♥A-4+8
+8.0Round 1MORROCO34♥♦T-2+8
+8.0Round 7ZHAO83NT♣6+1+7
+7.6Round 1MORROCO133♥♣4-1+6
+7.6Round 3AMANDA103NT♦A=+0
+7.5Round 4KNOTTENBELT244♠♣5=+0
+6.9Round 8FLEISHER273NT♥J+1+4
+5.3Round 1MORROCO94♠♥A-1+10
+4.4Round 6LIVIA154♠♥5=+11
+4.3Round 3AMANDA83♠♥7=+6
+4.3Round 4KNOTTENBELT263♣♠6+1+10
+3.8Round 1MORROCO64♥x♠A-1+0
+3.8Round 1MORROCO83♠♥5-2+6
+3.7Round 4KNOTTENBELT202♥♠A-3+5
+3.6Round 3AMANDA53NT♣9+1+0
+3.6Round 7ZHAO93NTx♣A-1+7
+3.5Round 7ZHAO33♠♦J=+6
+3.4Round 3AMANDA65♦♠9-2+5
+3.3Round 6LIVIA243NT♦2+1+1
+3.0Round 8FLEISHER214♠♥A=+3
+3.0Round 8FLEISHER264♥♠3+1+0
+2.8Round 3AMANDA132♥♦5=+0
+2.7Round 8FLEISHER203NT♣T+2+0
+2.2Round 4KNOTTENBELT163NT♥5+2+1
+2.1Round 7ZHAO123NT♥5=-1
+1.9Round 8FLEISHER182NT♣T-1+4
+1.8Round 3AMANDA123♠♥A-2+5
+1.5Round 7ZHAO102NT♣J+2+10
+1.4Round 3AMANDA144♥♦A=+3
+1.1Round 4KNOTTENBELT223NT♠J-1+0
+1.1Round 7ZHAO144♠x♦5-2+4
+0.8Round 1MORROCO101NT♠Q+4-9
+0.7Round 6LIVIA193NT♠8+2+1
+0.7Round 6LIVIA224NT♥2+1+0
+0.2Round 6LIVIA233NT♣K+1+1
+0.2Round 7ZHAO14♠♥3+1+0
+0.2Round 8FLEISHER233♠♣J+1+1
+0.1Round 6LIVIA281NT♠Q-1-2
+0.1Round 7ZHAO25♦♠A=+11
-0.0Round 3AMANDA116♣♣2+1+11
+0.0Round 4KNOTTENBELT285♥x♠A-2-2
-0.1Round 3AMANDA93NT♠Q-2+8
-0.2Round 3AMANDA34♥♦3+1-11
-0.3Round 1MORROCO52NT♥4=+0
-0.3Round 4KNOTTENBELT192♦♣6+3+10
-0.3Round 7ZHAO52♠♦K+1+0
-0.8Round 1MORROCO24♣♠K+1-11
-0.8Round 4KNOTTENBELT273NT♠J=+0
-0.8Round 8FLEISHER164♥♣K+2-11
-0.9Round 1MORROCO72♠♦4+1+10
-0.9Round 3AMANDA72♠♦K-1+0
-0.9Round 6LIVIA263♦♥5+1-9
-1.0Round 4KNOTTENBELT153NT♠J=+1
-1.0Round 8FLEISHER152♠♦7+1-1
-1.2Round 1MORROCO46♠♥T=+13
-1.6Round 6LIVIA252NT♥6-1-5
-1.9Round 1MORROCO14♥♣K-1+2
-2.0Round 1MORROCO115♠♥J=+0
-2.1Round 8FLEISHER224♠♥2=+0
-2.4Round 4KNOTTENBELT212♠♠3-1+0
-2.5Round 1MORROCO142♠♦3=+0
-2.5Round 4KNOTTENBELT254♠♦A-1-5
-2.5Round 8FLEISHER252♥♠4-1-4
-2.6Round 6LIVIA203♥♥6+1+10
-2.8Round 4KNOTTENBELT175♣♥A=+2
-2.9Round 8FLEISHER195♦♥T-1-5
-3.1Round 7ZHAO115♦♥J-1-5
-3.4Round 7ZHAO44♠♥J-1-12
-3.6Round 4KNOTTENBELT233NT♦J-1-12
-4.4Round 3AMANDA24♠♣3-2-12
-4.4Round 6LIVIA215♦♠A-3-4
-4.7Round 6LIVIA164♥♠3+1+4
-5.0Round 7ZHAO74♠♥2-1-11
-5.3Round 7ZHAO62♥♣5-2-6
-6.5Round 7ZHAO134♥♣A=-10
-7.3Round 8FLEISHER287♠♣Q=+0
-7.8Round 6LIVIA176♠x♦K-3-5
-9.9Round 8FLEISHER173NT♥Q-1-13