COHLER Gary · MAHAFFEY

241rank
-46.0Butler · 98 bds
-0.47per board
±4.0swing
-0.50vs par /bd
-0.14adjusted /bd
Butler per round: -33.6 -33.6 -33.6 -12.4 -12.4 -12.4 -12.4by round

vs par split: bidding -0.27 · play -0.23

Strength of schedule: opponents averaged +0.33/bd (a tough draw) → opponent-adjusted -0.14/bd

Card play — on target: opening leads 76.9% · declarer play 72.0% · defence 84.3%

Card play by contract type — on target
vs NTvs a suit
Opening leads85.7% (7)73.7% (19)
Declarer play90.9% (11)57.1% (14)
Defence85.7% (14)83.8% (37)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 87.5% (8) · ♦ 100.0% (4) · ♣ 50.0% (8)

vs par by strain: NT -0.69 (29) · a suit -0.42 (69)

vs par by level: part-score +0.56 (39) · game -1.06 (51) · slam -2.12 (8)

By role: declaring -0.25/bd (-2.19 vs par · 47) · defending -0.67/bd (+1.06 vs par · 51)

By vulnerability: vulnerable -0.48/bd (-0.45 vs par · 49) · not vulnerable -0.46/bd (-0.55 vs par · 49)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 64B.CohenJ.Jansma – Z.MahmoodOpen14-13.7-0.98+0.57
Round of 64B.CohenJ.Jansma – Z.MahmoodOpen14-10.3-0.74-0.79
Round of 64B.CohenJ.Jansma – Z.MahmoodOpen14-9.6-0.69-1.50
Round of 32B.CohenE.Rodwell – J.MeckstrothOpen14-25.5-1.82-1.64
Round of 32B.CohenR.Katz – N.NickellOpen14-7.7-0.55-2.57
Round of 32B.CohenR.Levin – S.WeinsteinClosed14+21.2+1.51+1.64
Round of 32B.CohenE.Rodwell – J.MeckstrothClosed14-0.4-0.03+0.79

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
+10.3Round of 32NICKELL43NT♥2=+0
+8.1Round of 32NICKELL314♠x♣K-3+9
+6.3Round of 32NICKELL324♣♦J=+0
+6.0Round of 64GUPTA213♥♠5-1+12
+6.0Round of 32NICKELL426♦♣K-1+10
+6.0Round of 32NICKELL533NT♥3-3+10
+5.4Round of 32NICKELL103NT♠4-1+6
+5.0Round of 32NICKELL406♠♦Q=+0
+4.7Round of 64GUPTA315♦♠K=+0
+4.3Round of 32NICKELL73NT♦6+1+0
+4.2Round of 64GUPTA324♦♥A=+7
+4.2Round of 64GUPTA461NT♣2=+6
+4.1Round of 32NICKELL414♥♣3-1+12
+3.4Round of 64GUPTA514♠♠5=+3
+3.3Round of 64GUPTA353♠♥5-1-1
+3.3Round of 32NICKELL521NT♠7-1+4
+3.1Round of 64GUPTA331♠♥3+1+5
+2.8Round of 64GUPTA503♥♠3-1-2
+2.8Round of 32NICKELL566NT♣3+1+11
+2.7Round of 32NICKELL272♠♣8-2-1
+2.3Round of 32NICKELL372♣♠Q+3-1
+2.1Round of 64GUPTA264♠♥6+3+2
+2.0Round of 32NICKELL173NT♣7+2+0
+2.0Round of 32NICKELL494♠♥3-1+6
+1.8Round of 64GUPTA563NT♣J+1+1
+1.5Round of 64GUPTA485♣♠5+1-13
+1.5Round of 32NICKELL185♣♥J=-2
+1.4Round of 32NICKELL302♦♣6=+7
+1.3Round of 64GUPTA223NT♥8+1+0
+1.3Round of 32NICKELL153NT♣9+2+0
+1.1Round of 32NICKELL332♦♠9+1+1
+1.0Round of 32NICKELL444♥♥8+1+0
+0.9Round of 32NICKELL291NT♥Q-1-2
+0.8Round of 64GUPTA433♦♠10+1+5
+0.8Round of 32NICKELL111NT♠3-1+2
+0.6Round of 64GUPTA201NT♦4+1+1
+0.5Round of 64GUPTA471♠♦10+1+0
+0.5Round of 32NICKELL214♥♣2+1-10
+0.5Round of 32NICKELL263NT♠10+2+0
+0.4Round of 64GUPTA194♠♣5+1+0
+0.4Round of 32NICKELL451NT♦4-2-1
+0.1Round of 64GUPTA181NT♠8+1-1
+0.1Round of 64GUPTA384♥♣J+1+0
+0.1Round of 32NICKELL82♠♣A=+5
-0.1Round of 64GUPTA304♠♦Q=+0
-0.2Round of 64GUPTA243♠♣5-2-1
-0.2Round of 64GUPTA451NT♥Q+1+1
-0.2Round of 32NICKELL283NT♣K-1-10
-0.3Round of 64GUPTA444♥♠A=+3
-0.3Round of 64GUPTA524♠♣9+2-1
-0.5Round of 32NICKELL463NT♥6=+0
-0.6Round of 32NICKELL474♠♣7+1+0
-0.7Round of 32NICKELL241NT♠J+1+0
-0.7Round of 32NICKELL381NT♣K+2-2
-0.8Round of 64GUPTA153♣♠K-1+2
-0.8Round of 32NICKELL14♦♥3+1+2
-0.8Round of 32NICKELL543NT♠K-1-12
-0.9Round of 64GUPTA404♠♥J+2-11
-1.2Round of 64GUPTA412♠♣4=-1
-1.2Round of 64GUPTA533NT♠2+2-1
-1.2Round of 32NICKELL146♠♥A=+0
-1.4Round of 64GUPTA283NT♠4-1-10
-1.4Round of 32NICKELL514♥♣5-1+1
-1.5Round of 64GUPTA422NT♥9+1+0
-1.5Round of 32NICKELL193♥♦A+1-1
-1.6Round of 64GUPTA165♥♠10=+10
-1.8Round of 32NICKELL164♠♦8-1-6
-1.8Round of 32NICKELL364♠♣A+1-4
-1.8Round of 32NICKELL434♥♣3-2+5
-1.9Round of 64GUPTA253♠♠3+1-1
-1.9Round of 32NICKELL256♦x♠A-3+0
-2.0Round of 32NICKELL504♥♦3+1-1
-2.1Round of 32NICKELL234♠x♦K-1+0
-2.1Round of 32NICKELL343♣♦K-1+2
-2.2Round of 64GUPTA494♠♦10-1-10
-2.2Round of 32NICKELL224♥♠A+1+0
-2.6Round of 64GUPTA362♣♦3+1-1
-2.7Round of 32NICKELL392♦♣10-3-2
-2.9Round of 64GUPTA373♥♠6=-1
-3.3Round of 32NICKELL34♥♥A=+0
-3.4Round of 32NICKELL64♥♦K=+0
-3.7Round of 64GUPTA392♥♣3+2-1
-3.7Round of 32NICKELL552♠x♣3-1+0
-4.0Round of 32NICKELL121NT♥7+3-6
-4.4Round of 64GUPTA294♠x♥K=-5
-5.1Round of 32NICKELL485♦♣Q-1-12
-5.4Round of 64GUPTA175♦x♣A-2-5
-5.4Round of 32NICKELL132♣♥10-2-7
-5.6Round of 64GUPTA235♦♥3=+2
-5.8Round of 32NICKELL204♠♦Q-1-6
-6.7Round of 32NICKELL352♠♠7-4-7
-7.2Round of 64GUPTA554♥♦K=+0
-7.3Round of 64GUPTA273NT♠4=-3
-8.4Round of 64GUPTA344♠♥3+2-2
-8.5Round of 32NICKELL27NT♠J-1-14
-8.8Round of 32NICKELL54♠♥4=+0
-11.0Round of 32NICKELL96♠♣K=-11
-13.2Round of 64GUPTA546♠♥10+1-13