HUANG Jerry · CHINESE TAIPEI

164rank
+31.1Butler · 90 bds
+0.35per board
±4.1swing
-0.91vs par /bd · #389/471
+0.63adjusted /bd
Butler per round: -10.8 12.1 2.5 3.2 28 8.6 3.1 3.8 -19.4by round

vs par split: bidding -1.32 · play +0.41

Strength of schedule: opponents averaged +0.28/bd (a tough draw) → opponent-adjusted +0.63/bd

Card play — on target: opening leads 77.8% #229 of 469 · declarer play 85.7% #52 of 469 · defence 82.2% #307 of 471

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)78.6% (14)
Declarer play100.0% (6)80.0% (15)
Defence55.6% (9)88.9% (36)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 60.0% (5) · ♦ 66.7% (3) · ♣ 75.0% (4)

vs par by strain: NT -1.21 (19) · a suit -0.83 (71)

vs par by level: part-score -1.53 (36) · game -0.15 (46) · slam -2.50 (8)

By role: declaring +1.64/bd (-1.89 vs par · 45) · defending -0.95/bd (+0.07 vs par · 45)

By vulnerability: vulnerable +0.19/bd (-0.69 vs par · 45) · not vulnerable +0.50/bd (-1.13 vs par · 45)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 3R.ChenE.Covarrubias – P.RiedelClosed10-10.8-1.08-1.40
Round 4R.ChenD.Jacob – J.CzyzowiczClosed10+12.1+1.21-0.50
Round 6R.ChenJ.Campos – M.Villas-BoasOpen10+2.5+0.25-2.00
Round 7R.ChenD.Harris – M.LewisClosed10+3.2+0.32+0.00
Round 9R.ChenS.Lev – B.HammanOpen10+28.0+2.80+0.50
Round 10R.ChenE.Tse – R.LingOpen10+8.6+0.86+1.10
Round 13R.ChenY.Lin – L.HeOpen10+3.1+0.31+1.60
Round 14R.ChenP.Balakrishnan – R.TewariClosed10+3.8+0.38-3.50
Round 15R.ChenJ.Dai – L.YangClosed10-19.4-1.94-4.00

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
+13.1Round 9SCHWARTZ303♦x♥8-5+12
+11.7Round 13CHINA PINGAN96♠♠3=+11
+9.1Round 4CANALIENS97♠♥A=+0
+7.9Round 6DORSI293NT♥6=+0
+7.1Round 7MACHALE13NT♥7+3+5
+6.9Round 3CHILE234♥♦4=+3
+6.8Round 6DORSI266♠♠7=+0
+5.9Round 14NADAR184♥♥3+1+0
+5.8Round 9SCHWARTZ264♠♣3=+0
+5.3Round 9SCHWARTZ295♦♦6-1+6
+5.2Round 4CANALIENS44♥♠7-1+12
+5.0Round 10HONG KONG SENIOR34♠♦Q-5+8
+5.0Round 14NADAR116♠♣J+1-11
+4.6Round 13CHINA PINGAN64♠♣K+2+17
+4.4Round 14NADAR153NT♥6=+0
+4.3Round 14NADAR165♣x♣2-1+5
+4.0Round 10HONG KONG SENIOR71NT♥10=+6
+3.8Round 9SCHWARTZ253♥♦A-2+0
+3.8Round 10HONG KONG SENIOR21NT♠7-2+0
+3.0Round 6DORSI253♣♥Q=+0
+2.8Round 7MACHALE84♠♠4+1+0
+2.7Round 15SAIC VW272♦♠9-2+0
+2.6Round 9SCHWARTZ286♥♦Q=-11
+2.6Round 10HONG KONG SENIOR104♥♥2-1+6
+2.4Round 4CANALIENS105♣♠3=+9
+2.4Round 9SCHWARTZ274♥♦4+2+11
+2.2Round 4CANALIENS23♠♦K-2-1
+2.0Round 13CHINA PINGAN54♠♣4-1+10
+1.9Round 9SCHWARTZ212♠♥4=-1
+1.3Round 3CHILE271NT♣9+1+0
+1.3Round 4CANALIENS64♠♥3+1-10
+1.3Round 4CANALIENS73NT♣10+2+1
+1.3Round 10HONG KONG SENIOR64♠♣A=+0
+1.1Round 3CHILE264♥♦Q=+0
+1.1Round 7MACHALE52♠♠3-1+1
+1.0Round 14NADAR171NT♦8-2+0
+0.9Round 6DORSI302NT♠K-2-1
+0.8Round 9SCHWARTZ222♠♦4+1+0
+0.7Round 7MACHALE32♣♣9+3-6
+0.7Round 14NADAR133NT♥J+1+1
+0.5Round 3CHILE304♥♠J+1-11
+0.5Round 4CANALIENS53♠♠Q+1-1
+0.5Round 6DORSI231NT♥4+2+1
+0.1Round 7MACHALE102♦♥A=+2
+0.1Round 15SAIC VW303NT♣4+2-1
-0.0Round 3CHILE244♠♠A=+0
-0.1Round 10HONG KONG SENIOR81♠♥Q=+1
-0.1Round 13CHINA PINGAN43♣♠7+1-10
-0.1Round 14NADAR144♠♥Q+2-8
-0.5Round 15SAIC VW244♠♦K+1+0
-0.6Round 15SAIC VW213♥♣J-1-3
-0.9Round 13CHINA PINGAN85♣♥A+1-1
-1.2Round 6DORSI225♣x♦A-1+0
-1.2Round 7MACHALE64♥♠7+1+0
-1.2Round 7MACHALE92♠♦Q+1+0
-1.2Round 10HONG KONG SENIOR93♦♥Q+1+0
-1.4Round 3CHILE222♠♥J+1+8
-1.5Round 3CHILE215♣♦J-1-5
-1.6Round 13CHINA PINGAN32♥♥5+1-6
-1.7Round 10HONG KONG SENIOR15♣♦K+1-11
-1.8Round 10HONG KONG SENIOR53NT♣4=+1
-1.9Round 7MACHALE74♥♣6=+0
-2.0Round 7MACHALE44♥♣5-2-3
-2.0Round 13CHINA PINGAN23NT♥2+1-1
-2.3Round 7MACHALE24♥♦8=+1
-2.3Round 14NADAR203♠♥A-1+0
-2.3Round 15SAIC VW252♠♣7+1-1
-2.3Round 15SAIC VW294♥♥6-1-6
-2.4Round 6DORSI284♥♠2=+0
-2.4Round 9SCHWARTZ244♠♥3=+0
-2.4Round 15SAIC VW285♦x♣Q-3-14
-2.5Round 4CANALIENS33♥♠K=-1
-2.5Round 6DORSI215♣x♥A-3-4
-2.6Round 14NADAR122♠♥5=-11
-2.9Round 13CHINA PINGAN73NT♣A-1-6
-3.0Round 6DORSI273♥x♣4-2-9
-3.0Round 13CHINA PINGAN14♠♣2=+0
-3.3Round 3CHILE253♠♦4-1+2
-3.3Round 10HONG KONG SENIOR42♥♣K=+0
-3.5Round 4CANALIENS84♥♠A-1-4
-3.9Round 4CANALIENS11NT♠3+3-10
-4.5Round 15SAIC VW262♥♠J+1-7
-4.7Round 13CHINA PINGAN106♣♥J=+2
-4.7Round 15SAIC VW221NT♣4=-10
-4.9Round 15SAIC VW231NT♣3=+2
-5.3Round 9SCHWARTZ232♠♣9=-12
-5.6Round 3CHILE283NT♥5+1-11
-7.5Round 6DORSI244♥♦A=-7
-8.8Round 3CHILE296♠♥K=+0
-12.5Round 14NADAR196♣♣9+1-11