CHEN Dawei · TRICK OR TREAT

104rank
+20.5Butler · 126 bds
+0.16per board
±4.8swing
-0.17vs par /bd
+0.25adjusted /bd
Butler per round: 13.7 13.7 13.7 20.9 20.9 20.9 -14.1 -14.1 -14.1by round

vs par split: bidding -0.58 · play +0.41

Strength of schedule: opponents averaged +0.09/bd (a tough draw) → opponent-adjusted +0.25/bd

Card play — on target: opening leads 81.2% · declarer play 81.2% · defence 90.6%

Bidding activity — not a pass: 40.5% (151/373)

Card play by contract type — on target
vs NTvs a suit
Opening leads90.0% (10)77.3% (22)
Declarer play85.7% (7)80.0% (25)
Defence100.0% (12)88.5% (52)

Opening leads by suit led: ♠ 85.7% (7) · ♥ 100.0% (6) · ♦ 85.7% (7) · ♣ 66.7% (12)

vs par by strain: NT -0.70 (30) · a suit +0.00 (96)

vs par by level: part-score -0.86 (52) · game -0.59 (56) · slam +3.17 (18)

By role: declaring -1.01/bd (-3.44 vs par · 62) · defending +1.30/bd (+3.00 vs par · 64)

By vulnerability: vulnerable -0.17/bd (-0.62 vs par · 63) · not vulnerable +0.50/bd (+0.29 vs par · 63)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 64J.GuS.De Wijs – B.MullerClosed14+4.6+0.33+2.07
Round of 64J.GuS.De Wijs – B.MullerClosed14-1.8-0.13+0.29
Round of 64J.GuS.De Wijs – B.MullerClosed14+10.9+0.78+2.57
Round of 32J.GuJ.Chen – Y.CaiClosed14+13.4+0.96-3.14
Round of 32J.GuJ.Chen – Y.CaiClosed14+5.6+0.40+0.29
Round of 32J.GuJ.Chen – Y.CaiClosed14+1.9+0.14-0.36
Round of 16J.GuM.Hutyra – J.StepinskiClosed14-23.9-1.71-2.43
Round of 16J.GuM.Hutyra – J.StepinskiClosed14+19.2+1.37+0.36
Round of 16J.GuW.Gawel – R.JagniewskiClosed14-9.4-0.67-1.14

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
+12.9Round of 32CHINA OPEN TEAM 1446♠♣K-1+13
+12.2Round of 16GROUP ONE536♠♦2-1+17
+11.3Round of 32CHINA OPEN TEAM 1343NT♠K-1+12
+11.2Round of 64GOODMAN556♥♣T-2+14
+10.9Round of 64GOODMAN196♥♣Q-2+13
+10.1Round of 64GOODMAN477♠♠2-2+20
+7.9Round of 16GROUP ONE413NTx♥T+1+8
+7.8Round of 32CHINA OPEN TEAM 1383♥♦3+1+10
+6.6Round of 64GOODMAN323NT♥J=-13
+6.6Round of 16GROUP ONE165♠x♥K-2+2
+6.5Round of 32CHINA OPEN TEAM 1224♣♦2=+9
+6.4Round of 64GOODMAN515♦♣J-1+6
+6.3Round of 64GOODMAN176♥x♦A-3+9
+6.3Round of 16GROUP ONE155♣♦9=-1
+5.8Round of 32CHINA OPEN TEAM 1153NT♣5=+0
+4.9Round of 32CHINA OPEN TEAM 1214♠♥6-1+5
+4.9Round of 16GROUP ONE355♦♥5+1-10
+4.5Round of 32CHINA OPEN TEAM 1556♠♦4=+0
+4.5Round of 16GROUP ONE295♦♣Q-1+5
+4.3Round of 32CHINA OPEN TEAM 1235♣♦T+1-13
+4.2Round of 32CHINA OPEN TEAM 1206♠♥K+1-13
+4.1Round of 16GROUP ONE563NT♥K-1+5
+4.0Round of 64GOODMAN433NT♣3-1+11
+4.0Round of 32CHINA OPEN TEAM 1262♠♥4-2+7
+4.0Round of 32CHINA OPEN TEAM 1364♠♦3=+11
+3.5Round of 16GROUP ONE443♥♠A=+6
+3.4Round of 32CHINA OPEN TEAM 1456♦♥A-1+10
+3.3Round of 16GROUP ONE263NT♠Q+1+11
+3.1Round of 32CHINA OPEN TEAM 1323NT♥6-1+6
+3.0Round of 16GROUP ONE174♠♥A-1+4
+2.9Round of 16GROUP ONE404♥♦J+3+10
+2.8Round of 64GOODMAN282♠♣T=+7
+2.8Round of 64GOODMAN413♠♣4=+0
+2.5Round of 64GOODMAN532♠♣8+1+0
+2.5Round of 32CHINA OPEN TEAM 1543NT♥3-1-1
+2.5Round of 16GROUP ONE304♠♥A-2+6
+2.3Round of 16GROUP ONE223NT♥8=+7
+2.0Round of 32CHINA OPEN TEAM 1273♠♥5+1+2
+2.0Round of 16GROUP ONE556♣♠5+1+1
+1.9Round of 64GOODMAN353♣♥3+1+0
+1.9Round of 64GOODMAN393♣♦Q=+0
+1.9Round of 32CHINA OPEN TEAM 1293♥♣Q=+1
+1.9Round of 16GROUP ONE343NT♠K=-1
+1.8Round of 64GOODMAN464♥♦2+2+11
+1.6Round of 32CHINA OPEN TEAM 1463♦♣3-1+4
+1.5Round of 64GOODMAN233♦♥K+1+10
+1.3Round of 32CHINA OPEN TEAM 1424♥♠3=+1
+1.2Round of 16GROUP ONE492♥♥T=+7
+1.0Round of 32CHINA OPEN TEAM 1173NT♣T+2+0
+0.8Round of 64GOODMAN373♥♠4+1+8
+0.7Round of 64GOODMAN275♠♦A=+1
+0.7Round of 64GOODMAN335♥♠A-1+6
+0.7Round of 16GROUP ONE373♠♣Q-2+0
+0.6Round of 32CHINA OPEN TEAM 1522NT♦5-2+1
+0.6Round of 16GROUP ONE201NT♣9-1-5
+0.5Round of 64GOODMAN493NT♦J+2+0
+0.3Round of 64GOODMAN443NT♥4+1+1
+0.3Round of 32CHINA OPEN TEAM 1314♥♣2+1+0
+0.3Round of 16GROUP ONE283♣♦J+1+2
+0.3Round of 16GROUP ONE393♠♣J-2+5
+0.3Round of 16GROUP ONE516♠♦A=+0
+0.2Round of 16GROUP ONE431NT♣Q=-5
+0.1Round of 64GOODMAN164♥♦4+1+0
+0.1Round of 32CHINA OPEN TEAM 1394♠♣Q+1+0
+0.1Round of 32CHINA OPEN TEAM 1502♠♣K+1-7
+0.0Round of 16GROUP ONE386♠♣K+1-13
-0.1Round of 16GROUP ONE312♥♣Q+2+2
-0.2Round of 64GOODMAN343NT♣T+1+0
-0.2Round of 64GOODMAN363NT♦Q=-1
-0.2Round of 16GROUP ONE482♥♣6+1+0
-0.3Round of 32CHINA OPEN TEAM 1332♥♣3=+0
-0.3Round of 16GROUP ONE362♥♠J-1-2
-0.3Round of 16GROUP ONE424♠♥Q+1+0
-0.4Round of 16GROUP ONE463♥♦T-2-2
-0.5Round of 64GOODMAN264♠♥A+1+0
-0.7Round of 32CHINA OPEN TEAM 1243♦♣J-1-2
-0.9Round of 64GOODMAN213♦♣8-1-2
-0.9Round of 64GOODMAN293♠♣K+1-2
-0.9Round of 64GOODMAN453NT♥7+2-11
-1.0Round of 64GOODMAN524♣♠4+1-1
-1.0Round of 32CHINA OPEN TEAM 1403♠♣6+1-12
-1.0Round of 32CHINA OPEN TEAM 1434♠x♠K=-4
-1.1Round of 64GOODMAN224♠♦6+1-4
-1.5Round of 64GOODMAN253♥♣A-1+2
-1.7Round of 64GOODMAN312NT♠2-2+0
-1.7Round of 64GOODMAN383NT♦Q+1+0
-1.7Round of 16GROUP ONE334♥♠A=+0
-1.8Round of 64GOODMAN183NT♣5=+1
-1.8Round of 32CHINA OPEN TEAM 1285♦♠K-1-6
-1.8Round of 32CHINA OPEN TEAM 1562♥♦6-2-11
-1.9Round of 64GOODMAN304♠♦6=+0
-2.0Round of 64GOODMAN244♠♥Q+1+0
-2.1Round of 64GOODMAN422♥♦Q=-5
-2.1Round of 64GOODMAN485♥♠K-2-8
-2.1Round of 16GROUP ONE234♦♥2+1-1
-2.3Round of 32CHINA OPEN TEAM 1513♣♦3+1+0
-2.5Round of 32CHINA OPEN TEAM 1532♥♥J-1+2
-3.2Round of 32CHINA OPEN TEAM 1482NT♥5-1-5
-3.4Round of 32CHINA OPEN TEAM 1302♠♥J=-5
-3.6Round of 32CHINA OPEN TEAM 1194♥x♠A-1-6
-3.7Round of 64GOODMAN152♠♦A-2-8
-3.7Round of 32CHINA OPEN TEAM 1252♦♣6-1-5
-3.8Round of 16GROUP ONE452♠♦A-1-4
-4.0Round of 16GROUP ONE256♥♠A=-12
-4.0Round of 16GROUP ONE322♠♥Q-1-5
-4.1Round of 32CHINA OPEN TEAM 1165♣♥A=-13
-4.1Round of 16GROUP ONE196♦♦5-1-11
-4.2Round of 32CHINA OPEN TEAM 1352♥♣K-1+1
-4.7Round of 64GOODMAN566♣♣4+1+11
-4.8Round of 16GROUP ONE545♥x♠Q-1-9
-5.4Round of 32CHINA OPEN TEAM 1181NT♠6=-9
-5.7Round of 64GOODMAN543♣♦6-2-7
-5.8Round of 16GROUP ONE474♥♦A-2-11
-6.1Round of 32CHINA OPEN TEAM 1493NT♣6=+0
-6.2Round of 64GOODMAN203♥♥5=+0
-6.5Round of 32CHINA OPEN TEAM 1373♠♦T=-11
-6.5Round of 16GROUP ONE273♥x♦3-2-5
-6.6Round of 16GROUP ONE245♥x♠K-4-8
-6.8Round of 32CHINA OPEN TEAM 1475♠♥A-2-7
-7.6Round of 16GROUP ONE503NT♥4-1-10
-7.8Round of 64GOODMAN406♣♣2=+11
-8.3Round of 16GROUP ONE186NT♠2=-2
-8.8Round of 32CHINA OPEN TEAM 1412NT♦2+1-10
-10.3Round of 16GROUP ONE523NT♦5-1-11
-11.5Round of 64GOODMAN506♥x♣T-2-11
-14.7Round of 16GROUP ONE214♠x♥J-4-15