KLUKOWSKI Michal · MAHAFFEY

27rank
+3.7Butler · 40 bds
+0.09per board
±3.6swing
+0.85vs par /bd
+0.32adjusted /bd
Butler per round: 3.7 3.7by round

vs par split: bidding +1.18 · play -0.38

Strength of schedule: opponents averaged +0.23/bd (a tough draw) → opponent-adjusted +0.32/bd

Card play — on target: opening leads 80.0% · declarer play 70.0% · defence 80.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (2)75.0% (8)
Declarer play66.7% (3)71.4% (7)
Defence50.0% (6)92.9% (14)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 50.0% (4) · ♦ 100.0% (2) · ♣ 100.0% (1)

vs par by strain: NT +0.15 (13) · a suit +1.11 (26)

vs par by level: part-score +1.93 (15) · game +0.00 (22) · slam +1.00 (2)

By role: declaring +0.72/bd (-1.95 vs par · 20) · defending -0.54/bd (+3.65 vs par · 20)

By vulnerability: vulnerable +0.07/bd (+1.40 vs par · 20) · not vulnerable +0.11/bd (+0.30 vs par · 20)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16P.GawrysB.Nab – B.DrijverOpen20+18.0+0.90+1.50
Round of 16P.GawrysB.Nab – B.DrijverOpen20-14.3-0.72+0.20

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
+9.7Round of 16NETHERLANDS WHITE23♣♦Q=+6
+8.0Round of 16NETHERLANDS WHITE102♠x♦2-3+12
+4.5Round of 16NETHERLANDS WHITE374♦♣Q-1+8
+4.1Round of 16NETHERLANDS WHITE54♥♠7=+0
+4.0Round of 16NETHERLANDS WHITE64♥♦A=-1
+3.4Round of 16NETHERLANDS WHITE331NT♦K+2+1
+3.3Round of 16NETHERLANDS WHITE144♥♦6-1+5
+2.9Round of 16NETHERLANDS WHITE157♠♥K=+0
+2.9Round of 16NETHERLANDS WHITE193NT♠Q+1+0
+2.7Round of 16NETHERLANDS WHITE323NT♦J+2+0
+1.7Round of 16NETHERLANDS WHITE135♦♥7-1+6
+1.5Round of 16NETHERLANDS WHITE253NT♦3=+0
+1.3Round of 16NETHERLANDS WHITE113NT♥2+3+10
+0.9Round of 16NETHERLANDS WHITE234♠♣K=+0
+0.7Round of 16NETHERLANDS WHITE174♠♦4-1+4
+0.6Round of 16NETHERLANDS WHITE394♠♣K=+0
+0.3Round of 16NETHERLANDS WHITE184♠♥K=+0
+0.3Round of 16NETHERLANDS WHITE344♥♠A=+1
+0.1Round of 16NETHERLANDS WHITE91NT♠4+2-7
+0.0Round of 16NETHERLANDS WHITE13♦♠A-1+4
-0.1Round of 16NETHERLANDS WHITE33♦♠8=-1
-0.1Round of 16NETHERLANDS WHITE27Pass+3
-0.2Round of 16NETHERLANDS WHITE312♠♥3+2+6
-0.9Round of 16NETHERLANDS WHITE353♠♥A+1+2
-1.1Round of 16NETHERLANDS WHITE73NT♣9+1+0
-1.1Round of 16NETHERLANDS WHITE223NT♥8+2+10
-1.1Round of 16NETHERLANDS WHITE363NT♠J+2-2
-1.2Round of 16NETHERLANDS WHITE384♥♠A-2-1
-1.3Round of 16NETHERLANDS WHITE211NT♠2=-7
-1.5Round of 16NETHERLANDS WHITE263♣♥A+2+8
-1.5Round of 16NETHERLANDS WHITE284♥♣3+2-14
-1.7Round of 16NETHERLANDS WHITE295♣x♥Q-1+0
-1.9Round of 16NETHERLANDS WHITE301NT♣5-1+0
-2.1Round of 16NETHERLANDS WHITE42♠♥4=+0
-2.5Round of 16NETHERLANDS WHITE121NT♦7=+0
-3.7Round of 16NETHERLANDS WHITE164♥♦A-1-5
-5.3Round of 16NETHERLANDS WHITE81NT♣3-4-3
-5.8Round of 16NETHERLANDS WHITE244♥♠7-2-13
-6.2Round of 16NETHERLANDS WHITE204♠♥4=+0
-9.9Round of 16NETHERLANDS WHITE406♣♥5=+2