MAZURKIEWICZ Marcin · MAZURKIEWICZ

132rank
+20.4Butler · 60 bds
+0.34per board
±4.2swing
-0.48vs par /bd · #356/466
+0.22adjusted /bd
Butler per round: 6.8 12.8 -6.4 -7.7 5.4 9.5by round

vs par split: bidding -0.57 · play +0.08

Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted +0.22/bd

Card play — on target: opening leads 72.7% #380 of 466 · declarer play 73.3% #212 of 466 · defence 84.2% #322 of 466

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (4)71.4% (7)
Declarer play75.0% (8)71.4% (7)
Defence72.7% (11)88.9% (27)

Opening leads by suit led: ♠ 50.0% (2) · ♥ 100.0% (1) · ♦ 66.7% (6) · ♣ 100.0% (2)

vs par by strain: NT -2.57 (21) · a suit +0.64 (39)

vs par by level: part-score +0.43 (23) · game -1.41 (34) · slam +3.00 (3)

By role: declaring +1.53/bd (-4.09 vs par · 22) · defending -0.35/bd (+1.60 vs par · 38)

By vulnerability: vulnerable -0.02/bd (-0.44 vs par · 32) · not vulnerable +0.75/bd (-0.54 vs par · 28)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1K.JassemD.Stokkvik – G.HarrOpen10+6.8+0.68-1.30
Round 2K.JassemA.Levin – J.RollOpen10+12.8+1.28-0.60
Round 4K.JassemS.Picus – D.HoffmanClosed10-6.4-0.64-0.20
Round 6K.JassemD.Mcleish – P.McleishOpen10-7.7-0.77+0.30
Round 7K.JassemM.Scheie – J.SaetherOpen10+5.4+0.54-1.10
Round 9K.JassemA.Johansen – J.JohansenOpen10+9.5+0.95+0.00

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
+12.0Round 1BAANNBRIDGE76♣♠5=-2
+10.8Round 2BAREKET163NT♥5-1+13
+9.2Round 7NORWAY JUNIORS WHITE73NT♥10+1+1
+8.7Round 9ROGNAN BK223NT♥4=+0
+8.3Round 1BAANNBRIDGE65♦x♠5=+4
+6.1Round 4HOFFMAN94♠♥2=+0
+5.9Round 9ROGNAN BK233♠♥K-2+9
+4.7Round 9ROGNAN BK284♠♦5+2+13
+4.1Round 7NORWAY JUNIORS WHITE85♦x♦A-2-11
+3.9Round 2BAREKET194♥♣7-2+2
+3.7Round 9ROGNAN BK304♥♣K-2+5
+3.3Round 6PANDORA303♦♣10-1+8
+2.7Round 1BAANNBRIDGE103♥♣10-2+2
+1.9Round 6PANDORA254♥♣K+1+0
+1.8Round 4HOFFMAN52♥♠5=+0
+1.6Round 9ROGNAN BK263♠♦7-2+8
+1.5Round 1BAANNBRIDGE94♠♥6-3-3
+1.2Round 2BAREKET143NT♥3+2-10
+1.0Round 2BAREKET124♠♥7=-1
+0.9Round 4HOFFMAN13♦♥A-1+2
+0.4Round 2BAREKET131NT♦Q+1+0
+0.4Round 4HOFFMAN72♥♣Q+2+10
+0.2Round 2BAREKET174NT♠7+2-11
+0.1Round 1BAANNBRIDGE13♦♣K=+1
+0.1Round 2BAREKET201NT♥7+1+0
+0.0Round 4HOFFMAN63NT♣6=+0
-0.0Round 4HOFFMAN101NT♦J=+0
+0.0Round 6PANDORA293NT♠8+4-12
+0.0Round 7NORWAY JUNIORS WHITE13NT♦3=+2
-0.0Round 9ROGNAN BK254♠♥8+2-13
-0.2Round 4HOFFMAN24♥♥10+1-4
-0.2Round 7NORWAY JUNIORS WHITE54♠♠10+2+13
-0.2Round 7NORWAY JUNIORS WHITE103♦♥4+1+0
-0.3Round 6PANDORA214♥♠7=+0
-0.3Round 9ROGNAN BK274♠♦5+1+0
-0.4Round 1BAANNBRIDGE82♥♣Q-1-4
-0.4Round 6PANDORA263NT♦2+2+13
-0.7Round 7NORWAY JUNIORS WHITE94♣♠A+1-10
-0.8Round 2BAREKET153NT♣7=+0
-0.8Round 6PANDORA242NT♦2+1-2
-0.8Round 7NORWAY JUNIORS WHITE34♥♦K+1-1
-1.0Round 6PANDORA273♣♥J=+1
-1.1Round 2BAREKET186♦♦2=+11
-1.1Round 7NORWAY JUNIORS WHITE23NT♥4+1+0
-1.2Round 1BAANNBRIDGE42♠♠2-1-1
-1.3Round 1BAANNBRIDGE25♦♠A=+1
-1.4Round 7NORWAY JUNIORS WHITE64♥♣2+1+0
-1.7Round 4HOFFMAN82♥♣A+1+7
-2.4Round 6PANDORA284♠♣3+1+11
-2.5Round 4HOFFMAN34♣♦7=+0
-2.9Round 2BAREKET115♦♥A-1-10
-3.5Round 7NORWAY JUNIORS WHITE41NT♠6-3-5
-3.8Round 6PANDORA223NT♥5=-10
-3.8Round 9ROGNAN BK211NT♥5-2-5
-3.8Round 9ROGNAN BK241NT♠7=-5
-4.2Round 6PANDORA233♣♠A=-6
-5.4Round 1BAANNBRIDGE34NT♠8+2-11
-7.2Round 9ROGNAN BK293NT♥8-1-12
-9.5Round 1BAANNBRIDGE56♠♣2=+0
-11.2Round 4HOFFMAN44♠x♣A=-17