NAB Bart · NETHERLANDS WHITE

17rank
+23.2Butler · 100 bds
+0.23per board
±4.1swing
-0.52vs par /bd · #25/28
+0.49adjusted /bd
Butler per round: -3.7 -3.7 26.9 26.9 26.9by round

vs par split: bidding -0.42 · play -0.07

Strength of schedule: opponents averaged +0.26/bd (a tough draw) → opponent-adjusted +0.49/bd

Card play — on target: opening leads 82.4% #9 of 28 · declarer play 93.8% #1 of 28 · defence 86.4% #21 of 28

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (6)90.9% (11)
Declarer play100.0% (5)90.9% (11)
Defence85.7% (14)86.7% (30)

Opening leads by suit led: ♠ 50.0% (6) · ♥ 100.0% (4) · ♦ 100.0% (5) · ♣ 100.0% (2)

vs par by strain: NT -0.23 (30) · a suit -0.61 (69)

vs par by level: part-score -0.40 (35) · game -0.57 (56) · slam -0.38 (8)

By role: declaring +0.10/bd (-3.11 vs par · 55) · defending +0.40/bd (+2.64 vs par · 45)

By vulnerability: vulnerable +1.21/bd (+0.76 vs par · 50) · not vulnerable -0.75/bd (-1.80 vs par · 50)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16B.DrijverP.Gawrys – M.KlukowskiOpen20-18.0-0.90-1.50
Round of 16B.DrijverP.Gawrys – M.KlukowskiOpen20+14.3+0.72-0.20
QuarterfinalB.DrijverD.Filipowicz – K.MartensOpen20-27.3-1.36+0.05
QuarterfinalB.DrijverP.Zimmermann – F.MultonOpen20+43.5+2.17+0.50
QuarterfinalB.DrijverG.Helgemo – T.HelnessClosed20+10.7+0.53-1.45

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
+10.7QuarterfinalZIMMERMANN533NT♦K-4+11
+9.9Round of 16MAHAFFEY406♣♥5=-2
+9.3QuarterfinalZIMMERMANN246♦♦2+1+13
+8.6QuarterfinalZIMMERMANN455♦x♠A-5+10
+8.0QuarterfinalZIMMERMANN403NT♦2=+10
+7.1QuarterfinalZIMMERMANN302♥♦2+3+10
+6.4QuarterfinalZIMMERMANN486♣♦Q-1+10
+6.2Round of 16MAHAFFEY204♠♥4=+0
+6.1QuarterfinalZIMMERMANN213NT♦2-4+7
+5.8Round of 16MAHAFFEY244♥♠7-2+13
+5.7QuarterfinalZIMMERMANN323♠♦2-2+2
+5.6QuarterfinalZIMMERMANN234♠♦2=+0
+5.4QuarterfinalZIMMERMANN263♥♦2-1+4
+5.3Round of 16MAHAFFEY81NT♣3-4+3
+5.1QuarterfinalZIMMERMANN194♥♣Q=+13
+4.4QuarterfinalZIMMERMANN91NT♠3-1+4
+4.1QuarterfinalZIMMERMANN172NT♥A-3+6
+4.0QuarterfinalZIMMERMANN313NT♦2=-1
+3.7Round of 16MAHAFFEY164♥♦A-1+5
+3.6QuarterfinalZIMMERMANN43NT♥9+2+0
+3.6QuarterfinalZIMMERMANN472NT♣2+2-8
+3.4QuarterfinalZIMMERMANN203♣♥3+1+1
+3.4QuarterfinalZIMMERMANN254♠♦2-1+6
+2.5Round of 16MAHAFFEY121NT♦7=+0
+2.4QuarterfinalZIMMERMANN124♠♠8=+7
+2.1Round of 16MAHAFFEY42♠♥4=+0
+1.9Round of 16MAHAFFEY301NT♣5-1+0
+1.7Round of 16MAHAFFEY295♣x♥Q-1+0
+1.5Round of 16MAHAFFEY263♣♥A+2-8
+1.5Round of 16MAHAFFEY284♥♣3+2+14
+1.4QuarterfinalZIMMERMANN565♥x♠3-1+0
+1.3Round of 16MAHAFFEY211NT♠2=+7
+1.3QuarterfinalZIMMERMANN152NT♠2+1+1
+1.3QuarterfinalZIMMERMANN276♠♦2=+0
+1.2Round of 16MAHAFFEY384♥♠A-2+1
+1.1Round of 16MAHAFFEY73NT♣9+1+0
+1.1Round of 16MAHAFFEY223NT♥8+2-10
+1.1Round of 16MAHAFFEY363NT♠J+2+2
+1.1QuarterfinalZIMMERMANN374♥♦2=-1
+1.1QuarterfinalZIMMERMANN426♠♣Q-2-13
+1.0QuarterfinalZIMMERMANN353NT♦2+2+1
+0.9Round of 16MAHAFFEY353♠♥A+1-2
+0.9QuarterfinalZIMMERMANN131♠♦3+2+0
+0.3QuarterfinalZIMMERMANN363NT♦2+2+0
+0.3QuarterfinalZIMMERMANN573♠♦2-1+2
+0.2Round of 16MAHAFFEY312♠♥3+2-6
+0.1Round of 16MAHAFFEY33♦♠8=+1
+0.1Round of 16MAHAFFEY27Pass-3
+0.1QuarterfinalZIMMERMANN553NT♦2=+0
-0.0Round of 16MAHAFFEY13♦♠A-1-4
-0.1Round of 16MAHAFFEY91NT♠4+2+7
-0.1QuarterfinalZIMMERMANN294♠♦2+1+10
-0.1QuarterfinalZIMMERMANN444♥♦3=+9
-0.1QuarterfinalZIMMERMANN494♠♣K=+0
-0.3Round of 16MAHAFFEY184♠♥K=+0
-0.3Round of 16MAHAFFEY344♥♠A=-1
-0.3QuarterfinalZIMMERMANN344♠♦2-2-11
-0.3QuarterfinalZIMMERMANN434♥♠3+1-11
-0.3QuarterfinalZIMMERMANN514♦♠A=+0
-0.6Round of 16MAHAFFEY394♠♣K=+0
-0.6QuarterfinalZIMMERMANN383NT♦2+2-11
-0.6QuarterfinalZIMMERMANN603♦♠6=+0
-0.7Round of 16MAHAFFEY174♠♦4-1-4
-0.9Round of 16MAHAFFEY234♠♣K=+0
-0.9QuarterfinalZIMMERMANN334♠♦2+3-2
-1.0QuarterfinalZIMMERMANN105♥x♠A-1+0
-1.3Round of 16MAHAFFEY113NT♥2+3-10
-1.3QuarterfinalZIMMERMANN582♦♣K+1+0
-1.4QuarterfinalZIMMERMANN593NT♣7+1-11
-1.5Round of 16MAHAFFEY253NT♦3=+0
-1.6QuarterfinalZIMMERMANN182♥♦6=+1
-1.7Round of 16MAHAFFEY135♦♥7-1-6
-2.0QuarterfinalZIMMERMANN13♣♦7+2+6
-2.0QuarterfinalZIMMERMANN524♠♥10+1-1
-2.7Round of 16MAHAFFEY323NT♦J+2+0
-2.7QuarterfinalZIMMERMANN63♥♠3-2-2
-2.7QuarterfinalZIMMERMANN416NT♠2-1-11
-2.9Round of 16MAHAFFEY157♠♥K=+0
-2.9Round of 16MAHAFFEY193NT♠Q+1+0
-2.9QuarterfinalZIMMERMANN54♥♣A-1-10
-3.0QuarterfinalZIMMERMANN285♦x♦2-2-3
-3.0QuarterfinalZIMMERMANN545♣♠K=-7
-3.3Round of 16MAHAFFEY144♥♦6-1-5
-3.4Round of 16MAHAFFEY331NT♦K+2-1
-3.4QuarterfinalZIMMERMANN145♣♥A+1-9
-4.0Round of 16MAHAFFEY64♥♦A=+1
-4.0QuarterfinalZIMMERMANN31NT♦K-2-2
-4.0QuarterfinalZIMMERMANN394♠x♦2-1-13
-4.1Round of 16MAHAFFEY54♥♠7=+0
-4.3QuarterfinalZIMMERMANN504♦♦6-2-7
-4.5Round of 16MAHAFFEY374♦♣Q-1-8
-5.0QuarterfinalZIMMERMANN72♠♠K-1+5
-5.4QuarterfinalZIMMERMANN464♠♦K-3-2
-5.6QuarterfinalZIMMERMANN164♠♥K-2-11
-5.9QuarterfinalZIMMERMANN83♣♦Q=-8
-5.9QuarterfinalZIMMERMANN225♦♦2-2-11
-7.7QuarterfinalZIMMERMANN23NT♣8+3-1
-8.0Round of 16MAHAFFEY102♠x♦2-3-12
-9.7Round of 16MAHAFFEY23♣♦Q=-6
-10.7QuarterfinalZIMMERMANN116♠♣3=+0