🇺🇸 GROSSACK Zachary · USA1

9rank
+21.9Butler · 42 bds
+0.52per board
±5.2swing
+0.45vs par /bd
+0.27adjusted /bd
Butler per round: 21.9 21.9 21.9by round

vs par split: bidding -0.29 · play +0.75

Strength of schedule: opponents averaged -0.25/bd (an easy draw) → opponent-adjusted +0.27/bd

Card play — on target: opening leads 60.0% · declarer play 100.0% · defence 90.9%

Bidding activity — not a pass: 52.6% (60/114)

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (2)66.7% (3)
Declarer play100.0% (1)100.0% (6)
Defence100.0% (3)87.5% (8)

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

vs par by strain: NT +3.33 (9) · a suit -0.33 (33)

vs par by level: part-score +0.65 (20) · game +0.84 (19) · slam -3.33 (3)

By role: declaring +1.15/bd (-0.68 vs par · 25) · defending -0.40/bd (+2.12 vs par · 17)

By vulnerability: vulnerable +1.08/bd (+1.14 vs par · 21) · not vulnerable -0.03/bd (-0.24 vs par · 21)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalF.KolesnikX.Teo – T.WuClosed14+6.2+0.44+1.79
QuarterfinalF.KolesnikL.Lee – B.YangClosed14+14.3+1.02-0.86
QuarterfinalF.KolesnikB.Yang – L.LeeOpen14+1.4+0.10+0.43

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
+13.6Quarterfinal🇸🇬 SINGAPORE316♠♣K+1+1
+10.4Quarterfinal🇸🇬 SINGAPORE364♦x♣A-5+12
+8.6Quarterfinal🇸🇬 SINGAPORE424♥♦A=+8
+7.0Quarterfinal🇸🇬 SINGAPORE163NTx♠A-1+7
+6.6Quarterfinal🇸🇬 SINGAPORE263NT♠2+2+1
+6.4Quarterfinal🇸🇬 SINGAPORE503♠-1+2
+6.3Quarterfinal🇸🇬 SINGAPORE296♥♣9=+0
+6.2Quarterfinal🇸🇬 SINGAPORE445♠=+1
+5.2Quarterfinal🇸🇬 SINGAPORE514♥+2+13
+5.1Quarterfinal🇸🇬 SINGAPORE173NT♦5=-1
+4.4Quarterfinal🇸🇬 SINGAPORE562NT-3+6
+4.3Quarterfinal🇸🇬 SINGAPORE341NT♣K+1+6
+3.1Quarterfinal🇸🇬 SINGAPORE324♠♦5=+0
+3.0Quarterfinal🇸🇬 SINGAPORE222♣♣6=-1
+3.0Quarterfinal🇸🇬 SINGAPORE543♦=+1
+2.7Quarterfinal🇸🇬 SINGAPORE202♠♠4-1+5
+1.3Quarterfinal🇸🇬 SINGAPORE195♥♦8=+0
+1.0Quarterfinal🇸🇬 SINGAPORE434♠=+13
+0.7Quarterfinal🇸🇬 SINGAPORE274♠♦K-1+2
+0.4Quarterfinal🇸🇬 SINGAPORE373♣♠Q+1+0
+0.4Quarterfinal🇸🇬 SINGAPORE454♥=-3
-0.0Quarterfinal🇸🇬 SINGAPORE152♥♠K+1-7
+0.0Quarterfinal🇸🇬 SINGAPORE474♠+1+0
-0.2Quarterfinal🇸🇬 SINGAPORE494♥+1+0
-0.3Quarterfinal🇸🇬 SINGAPORE411NT♠9+3+2
-1.6Quarterfinal🇸🇬 SINGAPORE212NT♠3+1+10
-1.6Quarterfinal🇸🇬 SINGAPORE523♠=+0
-1.7Quarterfinal🇸🇬 SINGAPORE403♣♦Q+1-7
-2.2Quarterfinal🇸🇬 SINGAPORE463♦=-1
-3.3Quarterfinal🇸🇬 SINGAPORE393♠♣5=-1
-3.4Quarterfinal🇸🇬 SINGAPORE235♦x♥K-1+0
-3.4Quarterfinal🇸🇬 SINGAPORE243NT♣5+1+10
-3.4Quarterfinal🇸🇬 SINGAPORE282♦♠9-1+5
-3.7Quarterfinal🇸🇬 SINGAPORE182♠♥A-2+0
-4.7Quarterfinal🇸🇬 SINGAPORE254♠♥8-1-6
-4.7Quarterfinal🇸🇬 SINGAPORE336♠♣A-1-11
-6.0Quarterfinal🇸🇬 SINGAPORE381♥♦5=-5
-6.0Quarterfinal🇸🇬 SINGAPORE553♠=-7
-6.2Quarterfinal🇸🇬 SINGAPORE484♠x-1-8
-6.4Quarterfinal🇸🇬 SINGAPORE303♠♥2=-7
-9.0Quarterfinal🇸🇬 SINGAPORE533NT-2-11
-10.0Quarterfinal🇸🇬 SINGAPORE354♥♦4=-10