KALITA Jacek · MAZURKIEWICZ

130rank
+27.3Butler · 80 bds
+0.34per board
±4.3swing
+0.56vs par /bd · #104/466
+0.41adjusted /bd
Butler per round: -14.9 -10.8 9 -7.7 27.9 -8.6 14.6 17.8by round

vs par split: bidding -0.11 · play +0.68

Strength of schedule: opponents averaged +0.07/bd (a tough draw) → opponent-adjusted +0.41/bd

Card play — on target: opening leads 59.1% #459 of 466 · declarer play 75.0% #170 of 466 · defence 96.9% #16 of 466

Card play by contract type — on target
vs NTvs a suit
Opening leads57.1% (7)60.0% (15)
Declarer play75.0% (4)75.0% (4)
Defence100.0% (11)95.2% (21)

Opening leads by suit led: ♠ 25.0% (4) · ♥ 71.4% (7) · ♦ 50.0% (4) · ♣ 71.4% (7)

vs par by strain: NT +1.85 (27) · a suit -0.09 (53)

vs par by level: part-score -0.61 (31) · game +1.38 (42) · slam +0.86 (7)

By role: declaring +0.17/bd (-2.00 vs par · 48) · defending +0.61/bd (+4.41 vs par · 32)

By vulnerability: vulnerable +0.69/bd (+1.00 vs par · 41) · not vulnerable -0.03/bd (+0.10 vs par · 39)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.NowosadzkiE.Larsen – S.EvenstadClosed10-14.9-1.49+0.70
Round 3M.NowosadzkiR.Olsen – I.BjorkanOpen10-10.8-1.08-1.40
Round 4M.NowosadzkiC.Quail – R.BrightlingOpen10+9.0+0.90+0.80
Round 5M.NowosadzkiR.Levin – S.WeinsteinClosed10-7.7-0.77-2.80
Round 7M.NowosadzkiA.Gundersen – M.EideClosed10+27.9+2.79+3.90
Round 8M.NowosadzkiS.Sun – S.WuOpen10-8.6-0.86-2.40
Round 9M.NowosadzkiG.Jakobsen – L.KarlsenClosed10+14.6+1.46+2.20
Round 10M.NowosadzkiT.Hanlon – H.McgannOpen10+17.8+1.78+3.50

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
+12.3Round 10IRELAND53NT♣K-2+13
+9.4Round 7NORWAY JUNIORS WHITE103NT♣2+2+11
+9.2Round 4HOFFMAN44♠♣2=+16
+9.2Round 10IRELAND103NT♠6-4+11
+7.8Round 3ZURZITZ304♥♠6=+8
+6.2Round 9ROGNAN BK223NT♥3-2+13
+5.9Round 7NORWAY JUNIORS WHITE94♥♦2-1+12
+5.9Round 10IRELAND46♠♥5-1+13
+5.8Round 1BAANNBRIDGE103♠♥A=+7
+5.5Round 9ROGNAN BK286♠♥2=+0
+4.2Round 8BEIJING TRINERGY152NT♦2+2+2
+4.1Round 3ZURZITZ245♣x♠A-1+5
+4.0Round 8BEIJING TRINERGY134♥♣2=-13
+3.8Round 7NORWAY JUNIORS WHITE73NT♦2-1+12
+3.8Round 9ROGNAN BK241NT♦2=+5
+3.6Round 3ZURZITZ212♠♠2+1+0
+3.6Round 5MATCHPOINTNYC203NT♥4=+0
+3.3Round 4HOFFMAN93♠♣2+1+10
+3.1Round 9ROGNAN BK234♥♦2=+0
+3.0Round 7NORWAY JUNIORS WHITE86♠♥3-1+13
+2.9Round 7NORWAY JUNIORS WHITE12♦x♣2-3+2
+2.4Round 9ROGNAN BK211NT♥3-1+4
+2.3Round 5MATCHPOINTNYC152♥♣Q+3-6
+2.2Round 8BEIJING TRINERGY114♥♥3-1+10
+2.0Round 5MATCHPOINTNYC114♥♠2+1+0
+1.9Round 4HOFFMAN12♥♣2+1+1
+1.9Round 4HOFFMAN63NT♣2+2+2
+1.9Round 5MATCHPOINTNYC192♠♥4-2-1
+1.7Round 10IRELAND94♥♣3=-1
+1.2Round 4HOFFMAN24♥♣K+2+5
+1.2Round 7NORWAY JUNIORS WHITE42♦♥3-2+3
+0.9Round 8BEIJING TRINERGY141NT♣2-1+2
+0.9Round 9ROGNAN BK265♣♣2-1-6
+0.8Round 1BAANNBRIDGE94♠♣6-2+5
+0.8Round 7NORWAY JUNIORS WHITE34♥♥2+1+1
+0.6Round 10IRELAND65♠♥K=+11
+0.4Round 1BAANNBRIDGE64♦♣Q=+7
+0.4Round 7NORWAY JUNIORS WHITE64♥♥3=-1
+0.3Round 5MATCHPOINTNYC184♠♣6-1-5
+0.3Round 7NORWAY JUNIORS WHITE23NT♥2=-1
+0.3Round 9ROGNAN BK274♠♥3+1+0
+0.2Round 7NORWAY JUNIORS WHITE54♠♥3+2-13
+0.1Round 3ZURZITZ271NT♣J=-1
+0.1Round 10IRELAND14♠♠6=+0
+0.0Round 4HOFFMAN101NT♣2=+0
+0.0Round 9ROGNAN BK254♠♦5+2+13
-0.1Round 1BAANNBRIDGE13♦♣K=-1
-0.1Round 3ZURZITZ231NT♥K+1+0
-0.4Round 4HOFFMAN72♥♣3+2-10
-0.4Round 10IRELAND33NT♦6+1-1
-0.6Round 8BEIJING TRINERGY124♦♣2=+0
-0.9Round 8BEIJING TRINERGY183NT♠3=+0
-1.0Round 5MATCHPOINTNYC163♣♣2-1+0
-1.2Round 1BAANNBRIDGE54♠♦A+2-11
-1.2Round 5MATCHPOINTNYC142♥♣10-1-4
-1.5Round 5MATCHPOINTNYC122♠♣4=+0
-1.6Round 1BAANNBRIDGE42♠♠8-2-2
-1.7Round 4HOFFMAN51NT♥2-1+0
-2.0Round 3ZURZITZ283NT♥J-1-5
-2.0Round 4HOFFMAN35♣♣2-1-5
-2.1Round 10IRELAND76NT♦9=+0
-2.3Round 9ROGNAN BK304♥♥3-1-4
-2.4Round 3ZURZITZ262♦♣K-1+0
-2.7Round 8BEIJING TRINERGY164♣♣2-1-8
-2.8Round 8BEIJING TRINERGY193NT♣2=+1
-3.0Round 1BAANNBRIDGE74NT♥2+1+13
-3.6Round 1BAANNBRIDGE82♥♣Q=-1
-3.6Round 3ZURZITZ253NT♥4=+1
-4.2Round 1BAANNBRIDGE36NT♠10=+0
-4.4Round 4HOFFMAN82♣♣2=-11
-4.6Round 10IRELAND83NT♥J-1-10
-4.9Round 10IRELAND23♦♦8=-1
-5.2Round 3ZURZITZ221NTx♣2-3-8
-5.3Round 9ROGNAN BK294♠♥3=-3
-5.4Round 8BEIJING TRINERGY203♠♣2-2-8
-6.4Round 5MATCHPOINTNYC134♠♣K+1-1
-7.5Round 8BEIJING TRINERGY176♣♥3-1-10
-7.7Round 5MATCHPOINTNYC174♠♣2-1-11
-8.2Round 1BAANNBRIDGE26♣♠A-1-10
-13.1Round 3ZURZITZ293NT♠J-3-14