DING Junfeng · YUNNAN

56rank
+20.3Butler · 126 bds
+0.16per board
±4.6swing
+0.60vs par /bd · #23/128
+0.24adjusted /bd
Butler per round: 7.9 9.9 9.1 25.8 -0.6 6.2 2.7 -9.4 -31.3by round

vs par split: bidding +0.78 · play -0.17

Strength of schedule: opponents averaged +0.08/bd (a tough draw) → opponent-adjusted +0.24/bd

Card play — on target: opening leads 63.6% #122 of 128 · declarer play 74.3% #61 of 128 · defence 84.0% #88 of 128

Bidding activity — not a pass: 46.5% #25 of 128 (161/346)

Card play by contract type — on target
vs NTvs a suit
Opening leads71.4% (7)60.0% (15)
Declarer play83.3% (12)69.6% (23)
Defence60.0% (15)94.3% (35)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 85.7% (7) · ♦ 33.3% (6) · ♣ 50.0% (4)

vs par by strain: NT +0.34 (41) · a suit +0.73 (85)

vs par by level: part-score +0.78 (40) · game +0.24 (79) · slam +3.71 (7)

By role: declaring +0.56/bd (-1.01 vs par · 76) · defending -0.44/bd (+3.06 vs par · 50)

By vulnerability: vulnerable +0.13/bd (+0.89 vs par · 63) · not vulnerable +0.20/bd (+0.32 vs par · 63)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.ZhangM.Cole – A.NilssonOpen14+7.9+0.56+0.29
Round 3H.ZhangS.Remen – P.LeslieOpen14+9.9+0.71+0.29
Round 4H.ZhangI.Gronkvist – J.WolpertOpen14+9.1+0.65-0.14
Round 6H.ZhangA.Zareba – M.WojcikOpen14+25.8+1.84+3.00
Round 7H.ZhangM.Romanovska – E.SobolewskaClosed14-0.6-0.04-0.21
Round 8H.ZhangP.Shao – P.WangClosed14+6.2+0.44-0.71
Round 10H.ZhangJ.Zmuda – K.DufratClosed14+2.7+0.19+2.29
Round 11H.ZhangL.Lewis – H.EythorsdottirOpen14-9.4-0.67+0.14
Round 12H.ZhangJ.Gong – Y.CaoOpen14-31.3-2.24+0.50

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
+12.7Round 6FIVE OF HEARTS203NT♠3+1+15
+12.0Round 6FIVE OF HEARTS236♦♦5-1+13
+11.4Round 10BAKER194♥♣Q-3+14
+10.3Round 7GGEM44♠♣A=+3
+9.9Round 3NORTHERN LIGHTS124♠x♣K-3+11
+9.7Round 11LEWIS104♥♦Q-1+12
+8.7Round 7GGEM115♣♥A=+7
+7.9Round 1COLE93NT♠5+2+4
+6.5Round 12CANADA231♠♣3+2+7
+5.9Round 7GGEM123NT♠2=-1
+5.6Round 1COLE33NT♠9+1+10
+5.5Round 6FIVE OF HEARTS154♠♣4=+11
+5.5Round 8JIANGSU RUNTAI221NT♠2-3+10
+5.3Round 4ZHANG272♥♣K-3+6
+5.3Round 10BAKER204♥♠T=+10
+4.8Round 7GGEM74♠x♥9-2-4
+4.8Round 10BAKER243♥♦A-2+8
+4.7Round 4ZHANG263♣♣4+1+10
+4.7Round 8JIANGSU RUNTAI273NT♥J+1+4
+4.7Round 11LEWIS73NT♥T-1+6
+4.6Round 4ZHANG202♥♦Q-4+7
+4.5Round 3NORTHERN LIGHTS44♥♠A-1+6
+4.2Round 1COLE133NT♠2=+10
+4.0Round 6FIVE OF HEARTS214♠♥A-1+5
+3.6Round 1COLE22♠♣2=+13
+3.6Round 1COLE143♠♣K=+1
+3.6Round 10BAKER175♦x♣K=+10
+3.5Round 8JIANGSU RUNTAI203NT♣T+2+0
+3.3Round 6FIVE OF HEARTS176♦♣J-1+8
+3.1Round 3NORTHERN LIGHTS132♥♠K+1+1
+3.0Round 1COLE82♠♥5+1+0
+3.0Round 12CANADA184♥♥6+2+11
+2.9Round 1COLE124♥♦K=+0
+2.7Round 3NORTHERN LIGHTS53NT♠8+1+0
+2.5Round 8JIANGSU RUNTAI244♥♣5+1+0
+2.3Round 6FIVE OF HEARTS243NT♠J=+0
+2.1Round 4ZHANG252♠♣J+1+0
+2.0Round 7GGEM102♦♣J+2+11
+2.0Round 8JIANGSU RUNTAI251NT♦9+1+0
+1.9Round 4ZHANG163NT♣5+2+1
+1.9Round 12CANADA253♠♣8=+0
+1.9Round 12CANADA285♣♠A+2+14
+1.8Round 8JIANGSU RUNTAI286NT♦Q+1+10
+1.6Round 1COLE114♥♥6+1+0
+1.4Round 4ZHANG213♣♠A-1+4
+1.3Round 11LEWIS15♦x♠J-1+0
+1.2Round 3NORTHERN LIGHTS144♥♦K=+3
+1.2Round 4ZHANG193♦♣6+2+10
+1.2Round 6FIVE OF HEARTS223NT♥6+2+0
+1.0Round 3NORTHERN LIGHTS13NT♦3=+0
+1.0Round 4ZHANG284♠♥J+1+0
+1.0Round 10BAKER274♠♥A+1+1
+1.0Round 11LEWIS83NT♥7+1+0
+1.0Round 11LEWIS123NT♥Q+1+14
+0.9Round 11LEWIS93♠♥J-3+8
+0.7Round 1COLE102♥♦6+1+10
+0.7Round 8JIANGSU RUNTAI174♠♣T+1-8
+0.6Round 7GGEM52NT♦T-1+1
+0.3Round 3NORTHERN LIGHTS116♣♠9=+11
+0.2Round 10BAKER164♥♦4+1+0
+0.2Round 12CANADA173NT♦7+3-11
+0.1Round 8JIANGSU RUNTAI191NT♠6=-1
+0.1Round 11LEWIS63NT♣9+2+1
-0.1Round 3NORTHERN LIGHTS65♦x♠K-2+0
-0.1Round 10BAKER264♠♠7+1+0
-0.2Round 8JIANGSU RUNTAI164♠♣K+2-11
-0.4Round 3NORTHERN LIGHTS84♠♣K-2+0
-0.4Round 6FIVE OF HEARTS273NT♥7+1-10
-0.4Round 10BAKER224♠♦Q+1-4
-0.5Round 3NORTHERN LIGHTS93NT♣J-2+8
-0.5Round 4ZHANG185♠♣A+2-12
-0.5Round 6FIVE OF HEARTS193NT♠4+1+0
-0.5Round 7GGEM14♠♥4=-1
-0.7Round 3NORTHERN LIGHTS34♥♦K+1-11
-0.7Round 12CANADA163NT♦Q+2+0
-0.8Round 3NORTHERN LIGHTS72NT♠T=-1
-0.8Round 6FIVE OF HEARTS281NT♠Q-1-2
-0.8Round 10BAKER212♠♥2=+0
-0.9Round 4ZHANG244♠♣5-1-10
-1.0Round 6FIVE OF HEARTS263♥♠8-1-9
-1.1Round 10BAKER253♥♣A-1+2
-1.1Round 12CANADA243♣♦6+2-1
-1.3Round 4ZHANG222♠♣5-1-4
-1.3Round 7GGEM23NT♠6+3+10
-1.3Round 12CANADA195♣x♠7-4+16
-1.5Round 12CANADA263♣♥7-1-5
-1.9Round 1COLE13NT♠5-2-5
-1.9Round 6FIVE OF HEARTS252♥♣J-1-5
-2.0Round 8JIANGSU RUNTAI152♠♣T+1-1
-2.2Round 8JIANGSU RUNTAI233♠♣J+1+1
-2.2Round 11LEWIS33♥♣K+1-2
-2.4Round 7GGEM34♠x♥T-1+0
-2.6Round 8JIANGSU RUNTAI182NT♣T=+0
-2.7Round 4ZHANG233NT♥T-1-12
-2.8Round 11LEWIS144♠♦K-1-8
-2.9Round 7GGEM144♥♦A=+1
-2.9Round 10BAKER153♥♦A-2-8
-3.3Round 1COLE74♠♥A-1-12
-3.3Round 4ZHANG153NT♥6+1+0
-3.4Round 1COLE53NT♠J-1-5
-3.4Round 11LEWIS134♠♣4-1-6
-3.7Round 8JIANGSU RUNTAI215♥x♣3-2-5
-3.8Round 11LEWIS24♥♦6=+0
-3.9Round 7GGEM62♥♣5-1-5
-3.9Round 8JIANGSU RUNTAI262♥♠A+4-9
-4.0Round 7GGEM84♠♠6-1-5
-4.0Round 11LEWIS113♥♦A=-6
-4.0Round 12CANADA152NT♠6+4+5
-4.1Round 10BAKER184♠♣3=+0
-4.2Round 11LEWIS55♠x♥8-1+0
-4.4Round 4ZHANG173NT♠T+4-2
-4.5Round 10BAKER283NT♣T=+1
-4.5Round 12CANADA276♥♣T=+0
-4.7Round 3NORTHERN LIGHTS24♠♣8-2-12
-4.9Round 6FIVE OF HEARTS184♥♣6+1+11
-5.6Round 3NORTHERN LIGHTS103♣♥5-1-12
-5.7Round 6FIVE OF HEARTS164♥♠6=+5
-6.2Round 7GGEM134♥♣A=-10
-6.8Round 1COLE64♠♦6-1-5
-7.0Round 12CANADA226♣♦K-1-3
-7.7Round 11LEWIS43NT♥J-2-17
-9.7Round 10BAKER233NT♣K+3-2
-9.8Round 1COLE44NT♥T+3-17
-11.7Round 7GGEM93NT♥9=-10
-12.1Round 12CANADA203♠x♥3=-13
-12.6Round 12CANADA216♠♦T-2-13