CHANG Nolan · BERK

22rank
+27.4Butler · 40 bds
+0.69per board
±3.6swing
-0.33vs par /bd · #41/73
+0.93adjusted /bd
Butler per round: 0.1 3.7 25.2 -1.6by round

vs par split: bidding -0.23 · play -0.10

Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted +0.93/bd

Card play — on target: opening leads 87.5% #20 of 73 · declarer play 80.0% #21 of 73 · defence 84.2% #25 of 73

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (6)100.0% (2)
Declarer play50.0% (4)90.9% (11)
Defence88.9% (9)80.0% (10)

Opening leads by suit led: ♥ 75.0% (4) · ♦ 100.0% (1) · ♣ 100.0% (3)

vs par by strain: NT +0.40 (15) · a suit -0.76 (25)

vs par by level: part-score +1.19 (21) · game -2.22 (18) · slam +2.00 (1)

By role: declaring +0.92/bd (-2.29 vs par · 21) · defending +0.42/bd (+1.84 vs par · 19)

By vulnerability: vulnerable +0.70/bd (+0.15 vs par · 20) · not vulnerable +0.67/bd (-0.80 vs par · 20)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2S.AmerE.Berman – A.LadyzhenskyClosed10+0.1+0.01-0.80
Round 4J.OlsenY.Liu – Y.ZhangClosed10+3.7+0.37-2.80
Round 5S.AmerE.Fashingbauer – G.HsiehOpen10+25.2+2.52+1.40
Round 6J.OlsenB.Kristensen – G.HermanClosed10-1.6-0.16+0.90

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
+10.8Round 6KRISTENSEN302♠x♦4+1+12
+4.6Round 2BERMAN194♠♥4=+0
+4.5Round 2BERMAN202♥♠5-1+5
+4.5Round 5BERK S151NT♣10=+11
+4.4Round 5BERK S203NT♦4-2+7
+3.9Round 6KRISTENSEN243NT♥6-2+5
+3.5Round 5BERK S192♥♠A+2+2
+3.3Round 2BERMAN186♣♦10-1+2
+3.3Round 4CHINA SX CLUB64♥♠5-2-5
+3.3Round 5BERK S142♣♦2+1+5
+3.2Round 4CHINA SX CLUB32♠♥3+2+2
+3.0Round 5BERK S134♠♥Q+1+1
+2.8Round 4CHINA SX CLUB102NT♦K+1+10
+2.8Round 5BERK S113NT♣4+2-11
+2.6Round 5BERK S182♥♦6+2+7
+1.7Round 2BERMAN111NT♣3-1+4
+1.7Round 6KRISTENSEN284♠♣A=+0
+1.6Round 2BERMAN154♥♣4-1+6
+1.5Round 6KRISTENSEN224♥♣K+2+1
+1.4Round 5BERK S123NT♦5=-1
+1.3Round 4CHINA SX CLUB54♠♣A+2-11
+0.8Round 4CHINA SX CLUB41NT♥3+1+1
+0.7Round 5BERK S161NT♥A-1+0
+0.5Round 4CHINA SX CLUB93NT♥9+1-13
+0.4Round 6KRISTENSEN272♥♠A-3+1
+0.2Round 4CHINA SX CLUB22NT♦A-1+2
+0.2Round 6KRISTENSEN212♥♠2+2+8
-0.1Round 2BERMAN163♠♣4=+0
-1.0Round 5BERK S172♣♥Q+2-7
-1.3Round 6KRISTENSEN263NT♠3+1+0
-1.4Round 2BERMAN132♦♠5+1+0
-1.5Round 4CHINA SX CLUB73♦♥4-1-5
-1.9Round 2BERMAN144♠♣2=+1
-2.7Round 4CHINA SX CLUB83NT♥5=+0
-4.2Round 4CHINA SX CLUB13NT♦5-2-9
-4.3Round 6KRISTENSEN253♣♠9-2-3
-4.9Round 2BERMAN173♠x♠K-2-15
-6.6Round 6KRISTENSEN293NT♠K=+0
-7.3Round 2BERMAN124♠♥8-1-11
-7.9Round 6KRISTENSEN233♠♥K+3-15