ZACK EFRAIMSSON Anna · GOLDBERG

35rank
+14.0Butler · 56 bds
+0.25per board
±4.1swing
+0.05vs par /bd · #49/94
+0.33adjusted /bd
Butler per round: 8.9 -5.3 12.9 -8.6 -7 2.4 10.7by round

vs par split: bidding +0.34 · play -0.29

Strength of schedule: opponents averaged +0.07/bd (a tough draw) → opponent-adjusted +0.33/bd

Card play — on target: opening leads 69.2% #74 of 94 · declarer play 82.4% #25 of 94 · defence 76.7% #77 of 94

Bidding activity — not a pass: 42.9% #41 of 94 (66/154)

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (4)77.8% (9)
Declarer play83.3% (6)81.8% (11)
Defence80.0% (10)75.0% (20)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 0.0% (3) · ♦ 100.0% (2) · ♣ 100.0% (3)

vs par by strain: NT +1.05 (20) · a suit -0.50 (36)

vs par by level: part-score -1.42 (19) · game +0.78 (36) · slam +2.00 (1)

By role: declaring +1.41/bd (-2.08 vs par · 26) · defending -0.75/bd (+1.90 vs par · 30)

By vulnerability: vulnerable -0.32/bd (-0.50 vs par · 28) · not vulnerable +0.82/bd (+0.61 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.EfraimssonP.Marcinowski – J.ZmudaOpen8+8.9+1.11+2.88
Round 2B.EfraimssonK.Retter – L.PetelkoOpen8-5.3-0.66+2.75
Round 3B.EfraimssonT.Charlsen – J.De BottonOpen8+12.9+1.61-0.62
Round 4B.EfraimssonS.Hult – A.LundbergOpen8-8.6-1.07-4.50
Round 5B.EfraimssonP.Busse – G.BusseOpen8-7.0-0.88-0.75
Round 6B.EfraimssonS.Ashe – J.MaricicOpen8+2.4+0.30-0.88
Round 7B.EfraimssonA.Tartarin – Q.RobertOpen8+10.7+1.34+1.50

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
+8.5Round 7DAISY CHAIN315♦x♠A=+4
+8.1Round 3DE BOTTON214♠♦A=-1
+7.3Round 3DE BOTTON205♣♥A=+0
+6.2Round 1EMI54♥♦J-1+10
+5.3Round 2LAKO123NT♦2-3+11
+5.1Round 1EMI64♥♦5=+0
+5.0Round 1EMI72NT♥4-1+5
+4.9Round 1EMI14♥♠Q-1+5
+4.9Round 3DE BOTTON174♠♥5-3+7
+4.8Round 4LUNDBERG82♥♠T+3-6
+4.3Round 6ASHE204♣♠2-2+3
+3.8Round 2LAKO94♥♠Q-1+12
+3.2Round 6ASHE223NT♥6+1+0
+2.9Round 3DE BOTTON242♠♥4=+0
+2.6Round 4LUNDBERG54♥♣A=+0
+2.6Round 7DAISY CHAIN251NT♦7=+0
+2.4Round 5WAPO152NT♣T=+1
+2.4Round 7DAISY CHAIN273NT♥4-1+5
+2.3Round 4LUNDBERG13NT♠5+4+2
+2.2Round 7DAISY CHAIN283♥♣5+1+7
+2.1Round 6ASHE193NT♣6-2+11
+1.9Round 7DAISY CHAIN323NT♥J+2+0
+1.8Round 4LUNDBERG21NT♠T=-1
+1.6Round 5WAPO121NT♠2=-2
+0.9Round 5WAPO163NT♠6+1+1
+0.7Round 5WAPO141NT♦7=+0
+0.6Round 2LAKO115♣♠K=+0
+0.5Round 7DAISY CHAIN264♠♣J=+0
+0.3Round 6ASHE184♥♣A=+0
-0.1Round 2LAKO104♠♣A=+0
-0.2Round 1EMI83NT♠4+1+0
-0.3Round 6ASHE172♠♠2=+0
-0.4Round 2LAKO164♥♣Q+1+13
-0.4Round 5WAPO94♥♦2=+0
-0.5Round 3DE BOTTON223NT♦5=+1
-0.6Round 4LUNDBERG73NT♦2=-1
-0.8Round 3DE BOTTON181NT♣9+1+0
-1.1Round 1EMI23NT♥T+1+0
-1.5Round 5WAPO133NT♠Q+2+0
-1.7Round 6ASHE213♣♥5-2+0
-1.7Round 7DAISY CHAIN303♥♠A-1-3
-1.8Round 6ASHE244♠♥Q-1-11
-1.9Round 1EMI33♦♣A=+1
-1.9Round 2LAKO134♥♠J=-13
-2.4Round 3DE BOTTON234♥♣6+1+0
-3.7Round 6ASHE232♦♥9+3-10
-4.3Round 5WAPO114♥♦Q=-7
-4.5Round 4LUNDBERG63♥♣8=-10
-5.7Round 7DAISY CHAIN294♥♣9=-1
-5.9Round 2LAKO142♥♥7+1-1
-6.4Round 5WAPO105♦♠A=+1
-6.5Round 4LUNDBERG33♣♣5+2-11
-6.6Round 3DE BOTTON193NT♣T-3-12
-6.7Round 2LAKO154♥♣K=+0
-8.5Round 4LUNDBERG44♥♦A=-9
-9.1Round 1EMI46♦♦8+1+2