CHEN Ji · PD TIMES

563rank
-34.4Butler · 60 bds
-0.57per board
±4.6swing
-0.28vs par /bd · #397/567
+0.00adjusted /bd
Butler per round: 26.6 -15.7 7.8 -22.4 -19.1 -11.6by round

vs par split: bidding -0.10 · play -0.18

Strength of schedule: opponents averaged +0.57/bd (a tough draw) → opponent-adjusted +0.00/bd

Card play — on target: opening leads 90.0% #46 of 567 · declarer play 68.8% #461 of 567 · defence 83.3% #267 of 567

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (2)87.5% (8)
Declarer play75.0% (4)66.7% (12)
Defence50.0% (4)90.0% (20)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (2) · ♦ 100.0% (3) · ♣ 100.0% (3)

vs par by strain: NT -1.46 (11) · a suit -0.02 (49)

vs par by level: part-score -0.75 (20) · game -0.56 (36) · slam +4.50 (4)

By role: declaring -0.35/bd (-2.19 vs par · 36) · defending -0.91/bd (+2.58 vs par · 24)

By vulnerability: vulnerable -1.38/bd (-0.79 vs par · 33) · not vulnerable +0.41/bd (+0.33 vs par · 27)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3L.DongJ.Zhao – Z.YaoOpen10+26.6+2.66+1.70
Round 4L.DongJ.Yin – Y.SunOpen10-15.7-1.57-1.40
Round 6L.DongL.Yang – Y.HuangOpen10+7.8+0.78-0.50
Round 7L.DongA.Braithwaite – A.De LiveraClosed10-22.4-2.24-4.40
Round 9L.DongH.Lasut – E.ManoppoClosed10-19.1-1.91+2.20
Round 13L.DongK.Wang – J.PengClosed10-11.6-1.16+0.70

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
+10.7Round 3CCSA246♦♠A+1+10
+10.5Round 6ZHEJIANGQIANTANG253NT♠3=+10
+7.7Round 3CCSA274♥♠2-1+8
+6.5Round 6ZHEJIANGQIANTANG296♠♥10=+0
+5.2Round 3CCSA294♠♥J=+10
+4.6Round 7AUSTRALIA MIXED33NT♣A-2+6
+4.3Round 4REIGNWOOD102♥♣Q=+5
+4.3Round 13HENGZHOU FINANCE54♥♠9=+11
+4.2Round 3CCSA283NT♦J+4+2
+4.1Round 6ZHEJIANGQIANTANG284♠♥K-1+6
+3.2Round 9INDONESIA Seniors225♦♥6-1+5
+2.8Round 6ZHEJIANGQIANTANG213NT♦6-1-4
+2.7Round 3CCSA214♥♠K=-1
+2.7Round 7AUSTRALIA MIXED22♠♣K=+5
+2.7Round 13HENGZHOU FINANCE42♥♦3+2+2
+2.2Round 4REIGNWOOD82♠♦K=+0
+2.1Round 3CCSA223NT♣Q-2+6
+1.9Round 7AUSTRALIA MIXED14♥♥5-2+0
+1.9Round 9INDONESIA Seniors243♥♦5-2+5
+1.7Round 9INDONESIA Seniors255♥♦6+1+11
+1.3Round 7AUSTRALIA MIXED84♦x♠10-3-9
+0.9Round 6ZHEJIANGQIANTANG243♦♣6=+0
+0.6Round 4REIGNWOOD34♥♦3+2+11
+0.4Round 4REIGNWOOD54♠♥A+1+1
+0.3Round 3CCSA304♥♠A+1+0
+0.3Round 13HENGZHOU FINANCE63♥♠3=+7
+0.2Round 13HENGZHOU FINANCE75♣♠6=-2
+0.1Round 6ZHEJIANGQIANTANG223♦♦4-1+1
-0.1Round 4REIGNWOOD73♠♣K+1-1
-0.3Round 9INDONESIA Seniors273♠♥K=-7
-0.6Round 6ZHEJIANGQIANTANG303♥♣4=-6
-0.6Round 9INDONESIA Seniors293♥♣K-2+2
-0.9Round 13HENGZHOU FINANCE93NT♠6+2-2
-1.1Round 3CCSA264♥♠K+2-13
-1.2Round 9INDONESIA Seniors282♠♣A-1-4
-1.3Round 4REIGNWOOD25♣x♥A-1+0
-1.5Round 7AUSTRALIA MIXED64♥x♠A-2-3
-1.5Round 13HENGZHOU FINANCE104♥♠5-1-6
-1.6Round 4REIGNWOOD15♣♠K=-2
-1.7Round 3CCSA233♦♣2-1-5
-1.9Round 13HENGZHOU FINANCE23♦♣Q=+9
-2.0Round 4REIGNWOOD62♥♠7-2-3
-2.4Round 9INDONESIA Seniors263NT♥8+4+12
-2.8Round 7AUSTRALIA MIXED54♣♥7-1-5
-3.3Round 7AUSTRALIA MIXED45♦♠K+1-3
-3.5Round 3CCSA254♥♦A-1+0
-3.5Round 13HENGZHOU FINANCE14♥♦Q=+0
-4.4Round 6ZHEJIANGQIANTANG233NT♣3-1-6
-4.5Round 13HENGZHOU FINANCE86♦♠9=+0
-4.9Round 7AUSTRALIA MIXED72♦♦3-1-5
-5.7Round 6ZHEJIANGQIANTANG275♥x♥2-2+0
-6.0Round 9INDONESIA Seniors214♠♦A-1-10
-6.4Round 6ZHEJIANGQIANTANG262♦x♥3+1-6
-6.8Round 13HENGZHOU FINANCE33NT♦2-1-12
-7.7Round 9INDONESIA Seniors236♦♥10=+8
-7.7Round 9INDONESIA Seniors304♠♦Q=+0
-7.8Round 4REIGNWOOD93NTx♠2-2-11
-9.5Round 7AUSTRALIA MIXED93NT♠4-2-17
-10.4Round 4REIGNWOOD44♥♠J-4-14
-10.9Round 7AUSTRALIA MIXED104♥♥6=-13