COHLER Gary · MAHAFFEY

81rank
-3.7Butler · 126 bds
-0.03per board
±4.0swing
-0.44vs par /bd
+0.10adjusted /bd
Butler per round: 5.8 5.8 5.8 9.7 9.7 9.7 -19.2 -19.2 -19.2by round

vs par split: bidding -0.52 · play +0.26

Strength of schedule: opponents averaged +0.13/bd (a tough draw) → opponent-adjusted +0.10/bd

Card play — on target: opening leads 100.0% · declarer play 75.0% · defence 36.4%

Card play by contract type — on target
vs NTvs a suit
Opening leads·100.0% (2)
Declarer play·75.0% (8)
Defence·36.4% (11)

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

vs par by strain: a suit -0.26 (27)

vs par by level: part-score -5.25 (8) · game +2.89 (18) · slam -17.00 (1)

By role: declaring -0.39/bd (+1.00 vs par · 67) · defending +0.38/bd (-2.69 vs par · 59)

By vulnerability: vulnerable +1.22/bd (-1.00 vs par · 20) · not vulnerable -0.26/bd (+0.10 vs par · 106)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32M.LairB.Westra – V.RamondtOpen14+2.7+0.19·
Round of 32M.LairB.Westra – V.RamondtClosed14-9.0-0.64·
Round of 32M.LairH.Bertens – T.BakkerenOpen14+12.1+0.86-3.07
Round of 16M.LairR.Schwartz – C.WillenkenOpen14+0.0+0.00·
Round of 16M.LairD.Casen – J.KrekorianOpen14+15.7+1.12·
Round of 16M.LairW.El Ahmady – T.SadekClosed14-6.0-0.43+0.79
QuarterfinalM.LairP.Fredin – M.LindkvistOpen14-26.3-1.88·
QuarterfinalM.LairP.Fredin – M.LindkvistClosed14-22.1-1.58·
QuarterfinalM.LairM.Jacobus – C.HennerClosed14+29.2+2.09+1.08

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
+10.4Round of 32ORANGE176♣♥A-3·
+8.7QuarterfinalHENNER164♥♠J=·
+8.6QuarterfinalHENNER502N♥K-3-3
+8.5Round of 32ORANGE486♦♣3+1-17
+8.4Round of 16SCHWARTZ173N♦K=·
+7.6Round of 16SCHWARTZ515♣x♣4-1+8
+7.0QuarterfinalHENNER493N♠10=+7
+6.9Round of 16SCHWARTZ383N♣J+2·
+6.7QuarterfinalHENNER553N♣4+1+11
+6.1Round of 32ORANGE273N♥K-3·
+5.5Round of 16SCHWARTZ504♠♠J=+11
+5.4Round of 32ORANGE373N♦10=·
+5.2Round of 16SCHWARTZ307♣♦4=·
+5.1Round of 16SCHWARTZ412♣x♣3-1·
+5.0Round of 32ORANGE474♥♠K=+7
+4.6QuarterfinalHENNER443♠♦Q-2+2
+4.3Round of 32ORANGE303♥♣J-1·
+4.2Round of 16SCHWARTZ203N♥10-1·
+3.9QuarterfinalHENNER234♥♠J+2·
+3.8Round of 32ORANGE313N♥A-3·
+3.8Round of 32ORANGE534♥♥9-1-1
+3.3Round of 32ORANGE431N♥Q=-11
+3.0Round of 32ORANGE404♥♠A=·
+2.9Round of 32ORANGE295♠♥2+1·
+2.9Round of 16SCHWARTZ241N♥2-1·
+2.9QuarterfinalHENNER381N♦3=·
+2.9QuarterfinalHENNER564♠♥2-1+14
+2.8Round of 16SCHWARTZ425♣x♠A-3·
+2.6QuarterfinalHENNER192♠♦7=·
+2.6QuarterfinalHENNER402♠♦3+2·
+2.5Round of 16SCHWARTZ543N♦5+1-12
+2.4QuarterfinalHENNER464♥♦J=+0
+2.4QuarterfinalHENNER544♥♦5+1+11
+2.3Round of 32ORANGE262♠♦10-1·
+2.1Round of 32ORANGE444N♠10+1+12
+2.1Round of 16SCHWARTZ322♦♦K+2·
+2.1Round of 16SCHWARTZ395♣♥4-1·
+2.0Round of 32ORANGE184♠♦3=·
+2.0Round of 16SCHWARTZ314♥♣K-1·
+1.7QuarterfinalHENNER372♠♥K=·
+1.6Round of 32ORANGE491N♠J-1-12
+1.6Round of 16SCHWARTZ553N♥6=+11
+1.5Round of 32ORANGE454♥♣2+2-14
+1.4Round of 16SCHWARTZ214♠♣2+2·
+1.3Round of 32ORANGE214♠♥7=·
+1.1Round of 16SCHWARTZ273♠♥K-1·
+1.0QuarterfinalHENNER434♠♣A=·
+0.8Round of 32ORANGE543N♥Q+2-11
+0.8Round of 16SCHWARTZ373N♥8+1·
+0.7Round of 16SCHWARTZ253N♣J+2·
+0.7QuarterfinalHENNER153N♣10+2·
+0.4Round of 16SCHWARTZ154♥♦4-1·
+0.4Round of 16SCHWARTZ336♥♦10=·
+0.4Round of 16SCHWARTZ342♠♦9=·
+0.4QuarterfinalHENNER362N♦A=·
+0.4QuarterfinalHENNER514♠♣Q=-1
+0.3Round of 32ORANGE201N♥2-1·
+0.3Round of 32ORANGE463N♦9=+2
+0.3Round of 16SCHWARTZ465♥♣A=-11
+0.3QuarterfinalHENNER286♠♦A=·
+0.3QuarterfinalHENNER342♠♥A+2·
+0.3QuarterfinalHENNER533♦♠A-1+16
+0.2Round of 32ORANGE191N♦2=·
+0.1Round of 32ORANGE554♠♠10+1+2
+0.1QuarterfinalHENNER254♥♠2+1·
+0.0Round of 16SCHWARTZ291N♦K+1·
-0.0Round of 16SCHWARTZ533N♠3-1-13
-0.1Round of 32ORANGE253♥♦J=·
-0.1Round of 32ORANGE413♦♥K+1·
-0.1QuarterfinalHENNER454♠♥4-1-11
-0.2Round of 32ORANGE392♠♦5=·
-0.4QuarterfinalHENNER353N♦4+1·
-0.6Round of 32ORANGE424♠♦10+1·
-0.7QuarterfinalHENNER323♣♦A=·
-0.8Round of 32ORANGE223N♦2+1·
-0.9Round of 16SCHWARTZ193N♠A=·
-0.9Round of 16SCHWARTZ44Pass+9
-0.9QuarterfinalHENNER302♥♣2-1·
-0.9QuarterfinalHENNER313♣♦5-2·
-1.0Round of 16SCHWARTZ182♠♣A-1·
-1.1QuarterfinalHENNER472♠x♥Q-3-9
-1.2Round of 16SCHWARTZ163N♥J=·
-1.3Round of 32ORANGE231N♠J-1·
-1.5Round of 16SCHWARTZ563♠♠3-2-14
-1.8Round of 32ORANGE512♦♦10+1-1
-1.8Round of 16SCHWARTZ233♣♥A-1·
-1.8Round of 16SCHWARTZ404♠♦K+1·
-1.8Round of 16SCHWARTZ493♥♣K-2-11
-1.9QuarterfinalHENNER415♣♥3+1·
-2.3QuarterfinalHENNER332♥♣10+1·
-2.3QuarterfinalHENNER483N♣4-2-8
-2.4Round of 16SCHWARTZ223♥♦A-1·
-2.4Round of 16SCHWARTZ354N♦4+1·
-2.5Round of 32ORANGE323♠♥Q-2·
-2.5Round of 16SCHWARTZ454♠♥A+2+8
-2.6Round of 32ORANGE362N♥9+2·
-2.7Round of 32ORANGE343♥♠K=·
-2.8Round of 16SCHWARTZ434♥♦7+1+11
-2.9Round of 16SCHWARTZ286♠♦10-1·
-3.3Round of 32ORANGE243♠♥K+2·
-3.4Round of 32ORANGE502♥♦K-1-10
-3.5Round of 32ORANGE153N♥3=·
-3.6QuarterfinalHENNER523♥♠3=-15
-3.7Round of 32ORANGE383♥♣10-2·
-3.9Round of 32ORANGE525♦♠A+1+11
-3.9Round of 16SCHWARTZ524♠x♦K-2+10
-4.0QuarterfinalHENNER224♠♥3-1·
-4.1Round of 32ORANGE163♥♦J=·
-4.1QuarterfinalHENNER172♠x♥K-2·
-4.3QuarterfinalHENNER213♠♣A=·
-4.5Round of 16SCHWARTZ484♠♥A=-3
-4.6QuarterfinalHENNER244N♥8+1·
-4.9QuarterfinalHENNER203N♠A-2·
-5.1QuarterfinalHENNER294♠x♣K=·
-5.4QuarterfinalHENNER184♥♠3-1·
-5.4QuarterfinalHENNER263N♥2-1·
-5.6Round of 16SCHWARTZ473N♠6-1+7
-5.8Round of 32ORANGE565♣♦6-1+0
-6.8Round of 32ORANGE284♦x♣5-2·
-7.3Round of 32ORANGE354♥♦6=·
-7.9Round of 16SCHWARTZ366♠♣9-1·
-8.7Round of 32ORANGE333♥♠7-1·
-8.7QuarterfinalHENNER425♣x♥K=·
-8.9Round of 16SCHWARTZ266♠♦10-1·
-9.1QuarterfinalHENNER394♥♦5-1·
-9.9QuarterfinalHENNER273Nx♥4-3·