HUANG Yongkang · ZHIHAOLE

20rank
+31.4Butler · 70 bds
+0.45per board
±4.7swing
+0.43vs par /bd · #17/78
+0.61adjusted /bd
Butler per round: 4.3 13 1.7 -4.5 37.4 -26.1 5.6by round

vs par split: bidding +0.67 · play -0.24

Strength of schedule: opponents averaged +0.16/bd (a tough draw) → opponent-adjusted +0.61/bd

Card play — on target: opening leads 83.3% #22 of 78 · declarer play 93.3% #3 of 78 · defence 71.0% #71 of 78

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (6)83.3% (12)
Declarer play85.7% (7)100.0% (8)
Defence61.5% (13)77.8% (18)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (5) · ♦ 85.7% (7) · ♣ 50.0% (4)

vs par by strain: NT +0.08 (24) · a suit +0.61 (46)

vs par by level: part-score -0.38 (24) · game +0.33 (39) · slam +3.71 (7)

By role: declaring +1.64/bd (-0.20 vs par · 39) · defending -1.05/bd (+1.23 vs par · 31)

By vulnerability: vulnerable +1.48/bd (+1.40 vs par · 35) · not vulnerable -0.58/bd (-0.54 vs par · 35)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2B.ChenC.Bakke – H.EideClosed10+4.3+0.43+1.80
Round 3B.ChenC.Birben – E.ImdatClosed10+13.0+1.30+2.60
Round 4B.ChenH.Tanabe – K.KobayashiClosed10+1.7+0.17-1.90
Round 5B.ChenS.Ekenberg – S.HultClosed10-4.5-0.45-2.40
Round 6B.ChenM.Schols – T.Van Den BosClosed10+37.4+3.74+4.30
Round 7B.ChenM.Chavarria – G.PercarioClosed10-26.1-2.61-1.50
Round 8B.ChenD.Ramirez – G.GuridiOpen10+5.6+0.56+0.10

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
+11.8Round 2NORWAY157♣♦K-1+14
+11.6Round 6NETHERLANDS RED256♠♥10=+0
+10.8Round 3NONAME235♣♠K=+12
+10.7Round 6NETHERLANDS RED217♥x♦A=+10
+10.0Round 4JAPAN12♠x♥10=+9
+8.7Round 6NETHERLANDS RED285♣x♥K-2+9
+7.7Round 5ZLATAN153NT♦10=-2
+7.2Round 5ZLATAN203NT♠9+1+0
+5.7Round 3NONAME284♠♦3=+11
+4.5Round 4JAPAN104♠♥J+1+0
+4.1Round 2NORWAY205♠♥A-1+12
+3.7Round 3NONAME221NT♦3=+5
+3.6Round 8SUDAMERICA131NT♥5+2+6
+3.5Round 4JAPAN44♠♥K+1+0
+3.4Round 6NETHERLANDS RED231NT♠2+1+0
+3.3Round 3NONAME293NT♠K-3+10
+2.9Round 8SUDAMERICA162NT♣5=-1
+2.7Round 6NETHERLANDS RED294NT♦6=+12
+2.3Round 6NETHERLANDS RED243NT♣2+1+11
+2.2Round 8SUDAMERICA153♠♥2=+1
+1.9Round 3NONAME274♠♥A+1+1
+1.9Round 5ZLATAN174♠♥Q+1+0
+1.9Round 6NETHERLANDS RED304♠♥Q=+0
+1.9Round 7ITALIA45♣♥5-1+3
+1.7Round 4JAPAN72♥♠2+1+0
+1.3Round 8SUDAMERICA184♥♦8=+3
+1.1Round 2NORWAY115♦♣5+1+0
+1.1Round 4JAPAN54♠♣J=+1
+1.1Round 5ZLATAN114♠♥6=+0
+1.0Round 3NONAME303♠♦K-1+2
+0.9Round 7ITALIA75♠♦9+2-12
+0.7Round 7ITALIA97♥♠3=+0
+0.6Round 8SUDAMERICA194♠♣9+1+0
+0.4Round 8SUDAMERICA142♥♣2-2+0
+0.3Round 5ZLATAN144♠♣J+2-11
+0.2Round 8SUDAMERICA111NT♥10-2+0
+0.1Round 5ZLATAN131NT♦4-1+1
+0.0Round 4JAPAN61NT♦5=+2
-0.1Round 2NORWAY174♥♦4=+0
-0.1Round 2NORWAY191NT♥Q=-1
-0.1Round 8SUDAMERICA204♠♥A+1+0
-0.2Round 6NETHERLANDS RED274♣♥J-1+2
-0.4Round 5ZLATAN194♠♦2+1+0
-0.5Round 3NONAME211NT♥5-1+0
-0.5Round 6NETHERLANDS RED264♠♣8=+0
-0.8Round 7ITALIA104♥♠5+1+0
-0.8Round 8SUDAMERICA124♥♣K+1-1
-1.5Round 2NORWAY131NT♣10-1-1
-1.7Round 2NORWAY123NT♦4-1-3
-1.9Round 2NORWAY181NT♦6+1-5
-2.2Round 3NONAME242♦♣K+1-1
-2.3Round 3NONAME253♠♥6=-1
-2.7Round 2NORWAY143NT♠6+1+1
-2.9Round 4JAPAN82♠♦J+5-4
-3.0Round 7ITALIA53NT♠Q+1+0
-3.2Round 6NETHERLANDS RED224♠♦2+2-1
-3.3Round 7ITALIA22♥♠2=-5
-4.1Round 4JAPAN31NT♥5+1-6
-4.3Round 7ITALIA16♥♦J=+0
-4.3Round 7ITALIA86♣♥J=+2
-4.7Round 2NORWAY163♠♦A-2+1
-4.7Round 8SUDAMERICA175♦♠J-3-7
-5.7Round 4JAPAN91NT♣A=-13
-6.2Round 5ZLATAN164♥x♥6-1-6
-6.2Round 7ITALIA64♠♦6=+0
-6.4Round 4JAPAN23NT♣A-2-8
-6.5Round 5ZLATAN183NT♦K=-6
-7.7Round 7ITALIA35♣x♦2=-3
-8.4Round 3NONAME264♠♦3-2-13
-9.7Round 5ZLATAN127NT♥Q=+0