KUFLOWSKI Kacper · POLAND U21

19rank
-29.8Butler · 16 bds
-1.86per board
±4.8swing
-1.75vs par /bd
-0.94adjusted /bd
by round

vs par split: bidding +1.06 · play -2.81

Strength of schedule: opponents averaged +0.92/bd (a tough draw) → opponent-adjusted -0.94/bd

Card play — on target: opening leads 100.0% · declarer play 50.0% · defence 71.4%

Bidding activity — not a pass: 45.0% (18/40)

Card play by contract type — on target
vs NTvs a suit
Opening leads·100.0% (2)
Declarer play66.7% (3)33.3% (3)
Defence50.0% (2)80.0% (5)

Opening leads by suit led: ♥ 100.0% (1) · ♣ 100.0% (1)

vs par by strain: NT -4.20 (5) · a suit -0.64 (11)

vs par by level: part-score -0.75 (8) · game -2.75 (8)

By role: declaring -3.33/bd (-3.44 vs par · 9) · defending +0.03/bd (+0.43 vs par · 7)

By vulnerability: vulnerable -2.17/bd (-3.12 vs par · 8) · not vulnerable -1.55/bd (-0.38 vs par · 8)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 2W.OkrzesikB.Wu – F.ZhuClosed16-29.8-1.86-1.75

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
+9.3Round 2RDFZ B224♦♥T+1+10
+3.3Round 2RDFZ B315♦♣A-1+8
+3.0Round 2RDFZ B183NT♠3=-1
+1.3Round 2RDFZ B253♦♥5+1-7
+0.3Round 2RDFZ B301NT♣K=-5
+0.0Round 2RDFZ B264♠♦K=+0
-0.3Round 2RDFZ B273♠♠K=+0
-1.7Round 2RDFZ B234♥♦T+1-1
-2.0Round 2RDFZ B192NT♦9-1+1
-3.7Round 2RDFZ B173NT♦Q+1+0
-3.7Round 2RDFZ B214♥♣J=-1
-5.0Round 2RDFZ B203♥♠4-2-8
-5.3Round 2RDFZ B283♥♠A-1-6
-6.3Round 2RDFZ B323♦♥5-2+9
-8.0Round 2RDFZ B293NT♦Q-1-16
-11.0Round 2RDFZ B244♥♦Q-2-11