WESTRA Berry · T ONSTEIN

43rank
-17.6Butler · 56 bds
-0.31per board
±3.7swing
+0.66vs par /bd · #13/24
-0.25adjusted /bd
Butler per round: 6.5 6.5 -24.1 -24.1by round

vs par split: bidding +0.64 · play +0.02

Strength of schedule: opponents averaged +0.07/bd (a tough draw) → opponent-adjusted -0.25/bd

Card play — on target: opening leads 76.9% #16 of 24 · declarer play 66.7% #23 of 24 · defence 95.8% #1 of 24

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (4)88.9% (9)
Declarer play66.7% (6)66.7% (9)
Defence100.0% (6)94.4% (18)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 50.0% (4) · ♦ 100.0% (1) · ♣ 83.3% (6)

vs par by strain: NT -0.86 (14) · a suit +1.17 (42)

vs par by level: part-score +1.71 (21) · game +0.50 (30) · slam -2.80 (5)

By role: declaring -0.16/bd (-1.09 vs par · 32) · defending -0.52/bd (+3.00 vs par · 24)

By vulnerability: vulnerable +0.12/bd (+0.46 vs par · 28) · not vulnerable -0.75/bd (+0.86 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16H.BertensJ.Pszczola – M.KwiecienOpen12-4.8-0.40+3.17
Round of 16H.BertensJ.Pszczola – M.KwiecienClosed12+11.3+0.94+1.25
QuarterfinalH.BertensV.Kholomeev – Y.KhyuppenenClosed16-24.3-1.52+0.81
QuarterfinalH.BertensA.Gromov – M.KrasnosselskiOpen16+0.2+0.01-1.81

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
+7.8Round of 16MAHAFFEY143♠♥K=+10
+6.2Round of 16MAHAFFEY232♠♥K+2+10
+4.9Round of 16MAHAFFEY44♥♣2-1+12
+4.8Round of 16MAHAFFEY106♣♠K-1+16
+4.7QuarterfinalPARIMATCH295♣x♥A-2+0
+4.1QuarterfinalPARIMATCH203♥♥K=+1
+4.1QuarterfinalPARIMATCH244♠♣K=-11
+4.0Round of 16MAHAFFEY224♠♣J+1+0
+3.7QuarterfinalPARIMATCH254♥♠10+1+0
+2.3Round of 16MAHAFFEY13NT♠8-1+2
+2.3Round of 16MAHAFFEY123♥♠6=+6
+2.1QuarterfinalPARIMATCH323♣♦K=-10
+2.0QuarterfinalPARIMATCH212♥♣2+1+0
+1.9QuarterfinalPARIMATCH51NT♥10+2+1
+1.9QuarterfinalPARIMATCH122♦♣5+2+11
+1.9QuarterfinalPARIMATCH303♠♠J-1+2
+1.6Round of 16MAHAFFEY213NT♣5-2+3
+1.6QuarterfinalPARIMATCH162♠♣J=+6
+1.4Round of 16MAHAFFEY184♥♦2=+7
+1.1Round of 16MAHAFFEY23NT♠3+1+1
+1.1Round of 16MAHAFFEY64♥♦Q=+3
+0.9Round of 16MAHAFFEY72♠♥9=+1
+0.7QuarterfinalPARIMATCH131NT♥Q+1+0
+0.7QuarterfinalPARIMATCH155♣♥A+1+13
+0.6Round of 16MAHAFFEY114♥♣K+1+0
+0.5Round of 16MAHAFFEY134♥♦Q=+1
+0.3QuarterfinalPARIMATCH94♥♣A=+0
+0.2Round of 16MAHAFFEY153♦♥7+3-13
-0.1QuarterfinalPARIMATCH263NT♦J+1+0
-0.3QuarterfinalPARIMATCH103NT♠6-1-6
-0.4QuarterfinalPARIMATCH23♠♥K-1+11
-0.7QuarterfinalPARIMATCH194♠♦A=-1
-0.9Round of 16MAHAFFEY203NT♥6+2-1
-0.9Round of 16MAHAFFEY241NT♣5=+1
-0.9QuarterfinalPARIMATCH273♦♥A-1+2
-1.0Round of 16MAHAFFEY165♠♥Q=+0
-1.1Round of 16MAHAFFEY33NT♦8+1-1
-1.1QuarterfinalPARIMATCH33♥♠Q=+7
-1.3QuarterfinalPARIMATCH224♠♦Q=+1
-1.9QuarterfinalPARIMATCH314♠♣10+1+0
-2.0QuarterfinalPARIMATCH62♥♦3=+0
-2.0QuarterfinalPARIMATCH72NT♠7=+0
-2.3QuarterfinalPARIMATCH284♠♦9=-1
-2.6QuarterfinalPARIMATCH13NT♥10-1-5
-3.1QuarterfinalPARIMATCH174♠♥10=+1
-3.3QuarterfinalPARIMATCH84♥♠K-4-8
-3.7QuarterfinalPARIMATCH116♦x♥2-2+0
-3.8Round of 16MAHAFFEY173NT♣10=+0
-3.8Round of 16MAHAFFEY193♥♣A-2-3
-4.1QuarterfinalPARIMATCH145♥x♣K-1+0
-4.4QuarterfinalPARIMATCH236♦♥J=+1
-5.7Round of 16MAHAFFEY91NT♦8-2-7
-6.9Round of 16MAHAFFEY84♥♠A=-3
-7.7QuarterfinalPARIMATCH186♠x♦A-1-14
-9.1Round of 16MAHAFFEY55♦x♠J-5+8
-11.9QuarterfinalPARIMATCH46♠♠2-2-17