JANSMA Aida · JANSMA

174rank
-7.5Butler · 56 bds
-0.13per board
±5.3swing
+1.07vs par /bd
-0.19adjusted /bd
Butler per round: 10.6 10.6 -18.1 -18.1by round

vs par split: bidding +1.34 · play -0.27

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted -0.19/bd

Card play — on target: opening leads 93.8% · declarer play 70.0% · defence 83.9%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (2)92.9% (14)
Declarer play100.0% (3)57.1% (7)
Defence100.0% (4)81.5% (27)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 100.0% (2) · ♦ 87.5% (8) · ♣ 100.0% (4)

vs par by strain: NT -0.17 (12) · a suit +1.41 (44)

vs par by level: part-score +1.19 (21) · game +0.48 (31) · slam +5.00 (4)

By role: declaring -1.02/bd (-1.04 vs par · 25) · defending +0.58/bd (+2.77 vs par · 31)

By vulnerability: vulnerable +0.24/bd (+1.71 vs par · 28) · not vulnerable -0.51/bd (+0.43 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 64J.JansmaJ.Mahaffey – J.RadinClosed14+3.0+0.21+2.07
Round of 64J.JansmaI.Levitina – S.LevOpen14+7.6+0.54+0.64
Round of 32J.JansmaL.Perlmutter – G.WolpertClosed14+3.7+0.26+1.71
Round of 32J.JansmaC.Rimstedt – J.UpmarkOpen14-21.8-1.56-0.14

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
+17.7Round of 32PERLMUTTER46♠♦J-1+20
+11.3Round of 64MAHAFFEY63♥x♦2-3+9
+8.8Round of 64MAHAFFEY287♣♣9=+0
+6.8Round of 32PERLMUTTER95♣♠A-1+12
+6.5Round of 64MAHAFFEY226♠♥A=+0
+6.3Round of 64MAHAFFEY165♦♥2-1+10
+5.6Round of 32PERLMUTTER264♠♥5=+10
+4.8Round of 64MAHAFFEY23♣♦A-1+5
+4.1Round of 64MAHAFFEY12♥♦K=+6
+3.8Round of 32PERLMUTTER24♥♦2-1+5
+3.7Round of 64MAHAFFEY154♠♥A-1+6
+3.7Round of 64MAHAFFEY243NTx♦K-1+6
+3.6Round of 64MAHAFFEY143♠♥3-2+6
+3.5Round of 64MAHAFFEY93NT♠6-2+7
+3.3Round of 32PERLMUTTER83♥♦5-1+5
+3.1Round of 32PERLMUTTER284♠♣A-1+12
+2.9Round of 64MAHAFFEY172♥♠Q=+5
+2.4Round of 64MAHAFFEY193♦♥A-1+4
+2.1Round of 32PERLMUTTER115♦x♠6-2+0
+1.4Round of 32PERLMUTTER221NT♠2+1+1
+1.2Round of 64MAHAFFEY203NT♥9+3+1
+1.1Round of 32PERLMUTTER246NT♥4=+0
+0.8Round of 32PERLMUTTER204♠♦K=+1
+0.5Round of 32PERLMUTTER183NT♠3=-1
+0.3Round of 32PERLMUTTER233NT♠5+1+0
-0.2Round of 64MAHAFFEY123NT♣8+2+11
-0.4Round of 32PERLMUTTER55♠♠7=+0
-0.4Round of 32PERLMUTTER124♠♦Q=+0
-0.8Round of 64MAHAFFEY234♠♦K=-1
-1.2Round of 64MAHAFFEY54♠♣J=+1
-1.3Round of 32PERLMUTTER103♥♦7-1+0
-1.3Round of 32PERLMUTTER214♠♣4-2+5
-1.8Round of 64MAHAFFEY71♥♦8+1+0
-1.9Round of 64MAHAFFEY32♠♣J+1+0
-1.9Round of 32PERLMUTTER142♠x♥A-3+2
-2.1Round of 32PERLMUTTER253♥♣J-1-6
-2.3Round of 64MAHAFFEY273NT♣3-1-5
-2.3Round of 32PERLMUTTER133♥♦Q=+0
-2.4Round of 64MAHAFFEY102NT♣Q-1-5
-2.5Round of 64MAHAFFEY41NT♠Q+1+0
-2.6Round of 64MAHAFFEY133♣♥4-3+7
-2.9Round of 32PERLMUTTER14♠♦5=+0
-2.9Round of 32PERLMUTTER194♠♣Q+1+0
-3.2Round of 32PERLMUTTER154♥♣K-1+2
-3.3Round of 64MAHAFFEY115♥♣A=-4
-4.2Round of 32PERLMUTTER273♥♠J+2-3
-4.6Round of 64MAHAFFEY183♥♦6+1-2
-5.1Round of 64MAHAFFEY264♦♥Q-2-3
-5.1Round of 32PERLMUTTER35♥♦A-3-4
-5.2Round of 32PERLMUTTER73♣♠4+1-6
-6.1Round of 64MAHAFFEY255♥♦6=-1
-6.8Round of 32PERLMUTTER164♠♥2-1-6
-8.4Round of 64MAHAFFEY84♠♣A-3-14
-9.0Round of 64MAHAFFEY214♠♣A-2-11
-10.5Round of 32PERLMUTTER64♥♣Q=-10
-14.1Round of 32PERLMUTTER173NT♣4-1-17