🇳🇿 HUANG Dong · NEW ZEALAND

51rank
-8.3Butler · 128 bds
-0.06per board
±4.8swing
-0.15vs par /bd · #52/86
-0.09adjusted /bd
Butler per round: -5.3 -5.2 27.2 4.7 5.4 8.2 -27.4 -15.9by round

vs par split: bidding -0.01 · play -0.14

Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted -0.09/bd

Card play — on target: opening leads 88.4% #11 of 86 · declarer play 69.2% #66 of 86 · defence 84.3% #37 of 86

Card play by contract type — on target
vs NTvs a suit
Opening leads84.2% (19)91.7% (24)
Declarer play57.1% (7)73.7% (19)
Defence77.8% (27)88.4% (43)

Opening leads by suit led: ♠ 83.3% (12) · ♥ 84.6% (13) · ♦ 87.5% (8) · ♣ 100.0% (10)

vs par by strain: NT -0.40 (43) · a suit -0.02 (85)

vs par by level: part-score +1.14 (44) · game -0.97 (76) · slam +0.62 (8)

By role: declaring +0.30/bd (-2.74 vs par · 58) · defending -0.37/bd (+2.00 vs par · 70)

By vulnerability: vulnerable -0.46/bd (-0.44 vs par · 64) · not vulnerable +0.33/bd (+0.14 vs par · 64)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.LiuC.Terraneo – A.LindermannClosed16-5.3-0.33-0.12
Round 2J.LiuS.Tamagnini – G.ParriOpen16-5.2-0.33+1.75
Round 7J.LiuS.Ahamed – D.HanzalaOpen16+27.2+1.70+1.19
Round 9J.LiuM.Lara – M.D'Orey CapuchoOpen16+4.7+0.29-2.06
Round 11J.LiuN.Fitzgibbon – A.MesburClosed16+5.4+0.34+1.56
Round 12J.LiuJ.Said – F.LiaqatOpen16+8.2+0.51+1.00
Round 14J.LiuJ.Campos – M.Villas-BoasClosed16-27.4-1.71-3.00
Round 15J.LiuP.Toffier – D.PilonOpen16-15.9-0.99-1.50

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
+11.7Round 1🇦🇹 AUSTRIA37♦♠A=+0
+10.9Round 2🇸🇲 SAN MARINO312♥x♣J-3+12
+10.2Round 9🇵🇹 PORTUGAL96♦♥8=-2
+10.2Round 12🇵🇰 PAKISTAN293♠♥K+2+10
+9.2Round 7🇧🇩 BANGLADESH102♠♦K+2+10
+9.0Round 15🇫🇷 FRANCE136♠=+0
+7.8Round 7🇧🇩 BANGLADESH164♠x♥J+1-9
+7.8Round 11🇮🇪 IRELAND134♠x♥7+1+8
+7.4Round 14🇧🇷 BRAZIL234♥♠Q+1+0
+7.1Round 2🇸🇲 SAN MARINO183NT♠2+1+7
+6.8Round 7🇧🇩 BANGLADESH122♠♥J+3+10
+6.6Round 14🇧🇷 BRAZIL174♠♥J=+7
+5.8Round 11🇮🇪 IRELAND44♥♦3-1+12
+5.4Round 15🇫🇷 FRANCE14♠♠A=+7
+5.0Round 1🇦🇹 AUSTRIA13NT♠J+1-10
+5.0Round 12🇵🇰 PAKISTAN186♥♦K-2+0
+4.8Round 1🇦🇹 AUSTRIA65♦♠A=+0
+4.7Round 12🇵🇰 PAKISTAN212NT♠9-3+9
+4.5Round 15🇫🇷 FRANCE74♠♦A=+0
+4.4Round 7🇧🇩 BANGLADESH96♣♠3-4+12
+4.3Round 7🇧🇩 BANGLADESH52♦♥6-2+8
+4.2Round 7🇧🇩 BANGLADESH86♥♦10=-11
+4.1Round 11🇮🇪 IRELAND103♦♣J-1-1
+3.9Round 2🇸🇲 SAN MARINO262NT♦6-1+6
+3.8Round 12🇵🇰 PAKISTAN246♦♣J-1+11
+3.8Round 12🇵🇰 PAKISTAN282♣♦A+2+0
+3.6Round 11🇮🇪 IRELAND143♣♠6-1+5
+3.4Round 15🇫🇷 FRANCE23♦♣9+1+7
+3.2Round 2🇸🇲 SAN MARINO303NT♠2-1+5
+3.2Round 9🇵🇹 PORTUGAL121♣♣3-1+5
+2.8Round 1🇦🇹 AUSTRIA22NT♦6+1+1
+2.8Round 2🇸🇲 SAN MARINO291NT♣K+1+11
+2.4Round 7🇧🇩 BANGLADESH132♠♠4-1+0
+2.4Round 11🇮🇪 IRELAND54♥♦K=+0
+2.4Round 15🇫🇷 FRANCE124♠♦8-1+5
+2.2Round 7🇧🇩 BANGLADESH35♠x♣A-3+0
+2.0Round 1🇦🇹 AUSTRIA104♥♠A-2+3
+2.0Round 7🇧🇩 BANGLADESH153♣♦10+1+0
+2.0Round 9🇵🇹 PORTUGAL153NT♣K=+0
+2.0Round 12🇵🇰 PAKISTAN303NT♣10+1-1
+1.9Round 12🇵🇰 PAKISTAN264♠♥3+1+0
+1.8Round 14🇧🇷 BRAZIL213NT♠10+1-12
+1.7Round 1🇦🇹 AUSTRIA111NT♥3+1+0
+1.5Round 9🇵🇹 PORTUGAL41NT♥7+3-2
+1.2Round 2🇸🇲 SAN MARINO201♠♦4+1+0
+1.2Round 2🇸🇲 SAN MARINO284♥♠8+1-14
+1.2Round 9🇵🇹 PORTUGAL72♠♦A=+0
+1.2Round 11🇮🇪 IRELAND93NT♠2+3+11
+1.2Round 11🇮🇪 IRELAND113♠♥J=+0
+1.1Round 9🇵🇹 PORTUGAL34♥♠9=+1
+0.9Round 7🇧🇩 BANGLADESH14♥♠3=+11
+0.9Round 12🇵🇰 PAKISTAN312♣x♦7-1+11
+0.8Round 12🇵🇰 PAKISTAN224♠♣8+2+11
+0.8Round 14🇧🇷 BRAZIL304♥♣3+1-11
+0.8Round 15🇫🇷 FRANCE104♥♦Q+1+1
+0.7Round 1🇦🇹 AUSTRIA141NT♦5+1-1
+0.7Round 7🇧🇩 BANGLADESH113NT♠3=+1
+0.7Round 14🇧🇷 BRAZIL293NT♥5-1+6
+0.6Round 15🇫🇷 FRANCE81NT♠T-2+0
+0.5Round 11🇮🇪 IRELAND33NT♠10-1+5
+0.4Round 7🇧🇩 BANGLADESH62♠♥A=-1
+0.4Round 7🇧🇩 BANGLADESH74♥♣6+1+0
+0.2Round 2🇸🇲 SAN MARINO234♠♥9+1+13
+0.2Round 2🇸🇲 SAN MARINO253♣♦5+1+7
+0.2Round 9🇵🇹 PORTUGAL13NT♥J-2-6
+0.1Round 1🇦🇹 AUSTRIA124♠♥8=+1
-0.1Round 9🇵🇹 PORTUGAL25♣♥8=-2
-0.2Round 1🇦🇹 AUSTRIA93NT♦4+3+13
-0.2Round 2🇸🇲 SAN MARINO223♥♣7-2-3
-0.2Round 9🇵🇹 PORTUGAL63NT♣5+1+0
-0.4Round 11🇮🇪 IRELAND15♣♥A=+2
-0.4Round 14🇧🇷 BRAZIL224♠♠J+1+0
-0.5Round 11🇮🇪 IRELAND81NT♦6=-2
-0.5Round 15🇫🇷 FRANCE31NT♥4=+5
-0.8Round 1🇦🇹 AUSTRIA83NT♥4+1+1
-0.8Round 11🇮🇪 IRELAND152♠♣K=+0
-0.8Round 12🇵🇰 PAKISTAN254♥♣Q+1+0
-0.8Round 12🇵🇰 PAKISTAN275♠♥5=+0
-0.9Round 9🇵🇹 PORTUGAL54♠♣A+1-2
-0.9Round 14🇧🇷 BRAZIL194♠♦Q=-1
-0.9Round 15🇫🇷 FRANCE54♥♣A+1+0
-1.2Round 9🇵🇹 PORTUGAL113NT♠7+1-10
-1.3Round 15🇫🇷 FRANCE141NT♥A+2-6
-1.5Round 9🇵🇹 PORTUGAL144♠♣8=+0
-1.5Round 12🇵🇰 PAKISTAN174♠♦10=+0
-1.5Round 12🇵🇰 PAKISTAN234♥♣4=-3
-1.5Round 14🇧🇷 BRAZIL283NT♥Q+2-1
-1.6Round 9🇵🇹 PORTUGAL82♦♥K=-5
-1.7Round 14🇧🇷 BRAZIL253NT♥10+1-8
-1.8Round 15🇫🇷 FRANCE93NT♦8+2+0
-1.9Round 1🇦🇹 AUSTRIA134♠♣A-3+5
-1.9Round 11🇮🇪 IRELAND74♥♣4+2-1
-2.2Round 9🇵🇹 PORTUGAL134♥♠6-1-6
-2.4Round 1🇦🇹 AUSTRIA163♠♣K+1+10
-2.4Round 7🇧🇩 BANGLADESH23NT♥6+2+0
-2.6Round 2🇸🇲 SAN MARINO213NT♣5-2+9
-2.8Round 9🇵🇹 PORTUGAL101NT♦3-2-2
-2.8Round 14🇧🇷 BRAZIL202NT♦7=+0
-3.3Round 11🇮🇪 IRELAND124♥♣9-1-5
-3.4Round 2🇸🇲 SAN MARINO243♠♦6=-1
-3.5Round 1🇦🇹 AUSTRIA154♥♦7-2-3
-3.5Round 12🇵🇰 PAKISTAN192♥♣3+2-10
-3.8Round 11🇮🇪 IRELAND61NT♥4=+2
-3.9Round 14🇧🇷 BRAZIL181NT♠8=-6
-3.9Round 15🇫🇷 FRANCE65♦x♥8-4-4
-4.2Round 9🇵🇹 PORTUGAL162♠♥K-1-2
-4.9Round 2🇸🇲 SAN MARINO273NT♠5+3+7
-4.9Round 11🇮🇪 IRELAND25♥x♥A-1-11
-5.1Round 14🇧🇷 BRAZIL274♠♥Q=+0
-5.2Round 1🇦🇹 AUSTRIA74♥♦4+2-5
-5.2Round 7🇧🇩 BANGLADESH143NT♠2=+0
-5.6Round 11🇮🇪 IRELAND163NT♦6=+0
-5.8Round 14🇧🇷 BRAZIL263NT♥7+1+0
-5.9Round 15🇫🇷 FRANCE154♠♥A-4-6
-6.0Round 14🇧🇷 BRAZIL244♥x♣9-2-5
-6.5Round 14🇧🇷 BRAZIL323♣x♥K-2-4
-6.9Round 2🇸🇲 SAN MARINO325♦x♥K=-8
-7.0Round 15🇫🇷 FRANCE116♥♠K=-5
-7.2Round 2🇸🇲 SAN MARINO171NT♠8-2-11
-7.2Round 12🇵🇰 PAKISTAN202♥♥10-1-11
-8.5Round 15🇫🇷 FRANCE163NT♥3=-11
-9.2Round 1🇦🇹 AUSTRIA43NT♣6=-10
-9.6Round 12🇵🇰 PAKISTAN323♦♣K=-11
-10.1Round 14🇧🇷 BRAZIL314♠x♥7=-13
-10.7Round 2🇸🇲 SAN MARINO195♦♥A-1-12
-10.9Round 1🇦🇹 AUSTRIA54♥♥A=-7
-10.9Round 7🇧🇩 BANGLADESH44♠♥Q-2-12
-12.2Round 15🇫🇷 FRANCE43NT♠5-3-17