KOWALSKI Apolinary · BORTOLETTI

35rank
+3.1Butler · 98 bds
+0.03per board
±4.1swing
-0.14vs par /bd · #26/33
+0.08adjusted /bd
Butler per round: 42.8 42.8 42.8 42.8 -39.7 -39.7 -39.7by round

vs par split: bidding -0.74 · play +0.68

Strength of schedule: opponents averaged +0.05/bd (an average draw) → opponent-adjusted +0.08/bd

Card play — on target: opening leads 86.4% #11 of 33 · declarer play 70.0% #27 of 33 · defence 88.9% #19 of 33

Bidding activity — not a pass: 36.6% #33 of 33 (97/265)

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)94.1% (17)
Declarer play50.0% (2)75.0% (8)
Defence84.6% (13)90.6% (32)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 83.3% (6) · ♦ 75.0% (8) · ♣ 100.0% (2)

vs par by strain: NT -0.44 (27) · a suit +0.03 (70)

vs par by level: part-score +0.12 (42) · game -0.51 (51) · slam +2.75 (4)

By role: declaring +0.44/bd (-1.34 vs par · 38) · defending -0.21/bd (+0.69 vs par · 59)

By vulnerability: vulnerable +0.31/bd (-0.71 vs par · 49) · not vulnerable -0.24/bd (+0.43 vs par · 49)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 16P.TuszynskiZ.Shi – C.JuOpen14+29.2+2.09+1.21
Round of 16P.TuszynskiC.Ju – Z.ShiClosed14+16.8+1.20+0.07
Round of 16P.TuszynskiC.Ju – Z.ShiClosed14-16.5-1.18-0.57
Round of 16P.TuszynskiC.Ju – Z.ShiClosed14+13.3+0.95+0.71
QuarterfinalP.TuszynskiM.Klukowski – J.KalitaClosed14-17.0-1.21+0.71
QuarterfinalP.TuszynskiJ.Kalita – M.KlukowskiOpen14-8.1-0.58-1.64
QuarterfinalP.TuszynskiM.Klukowski – J.KalitaClosed14-14.6-1.04-1.50

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
+11.2Round of 16JINSHUO54♠=+11
+10.3Round of 16JINSHUO526♥♠8-1+11
+10.1Round of 16JINSHUO83NT=+7
+8.9Round of 16JINSHUO73NT=+0
+7.1QuarterfinalZIMMERMANN353♠♣A-1+5
+5.9Round of 16JINSHUO435♥♠J+1-5
+5.2Round of 16JINSHUO154♠♦J-1+6
+5.1QuarterfinalZIMMERMANN315♦♥3+1+10
+5.0Round of 16JINSHUO33♣+2+11
+4.8Round of 16JINSHUO552♥♦6-2+6
+4.7QuarterfinalZIMMERMANN302NT♠3-1+5
+4.2Round of 16JINSHUO262♠♣A-2+3
+4.2Round of 16JINSHUO503NT♥4-1+10
+3.9Round of 16JINSHUO93NT-4+11
+3.8Round of 16JINSHUO374♠x♥4-2+5
+3.4QuarterfinalZIMMERMANN122♦♥6-2+5
+3.3QuarterfinalZIMMERMANN143♥♦3-1+4
+3.0Round of 16JINSHUO404♥♦5-2+7
+3.0QuarterfinalZIMMERMANN14♥♦9-2+6
+2.7Round of 16JINSHUO182♥♠Q=+5
+2.7QuarterfinalZIMMERMANN273NT+2+1
+2.6QuarterfinalZIMMERMANN202♥+1+0
+2.5Round of 16JINSHUO304♥♣K=+0
+2.4Round of 16JINSHUO163NT♣J+2-12
+2.4Round of 16JINSHUO312♠♥K+3+6
+2.4QuarterfinalZIMMERMANN83NT♠2+2+0
+2.2Round of 16JINSHUO133NT=+0
+2.1Round of 16JINSHUO194♠♣5-1-6
+2.0Round of 16JINSHUO474♠♥J+1+1
+1.9Round of 16JINSHUO202♣♥3+1+0
+1.8Round of 16JINSHUO392♥♦T+1+0
+1.7Round of 16JINSHUO47♠=+0
+1.7QuarterfinalZIMMERMANN34♠♥2-1+12
+1.7QuarterfinalZIMMERMANN193♥+1+6
+1.5Round of 16JINSHUO445♣♠T=+3
+1.4Round of 16JINSHUO63NT+1+0
+1.4QuarterfinalZIMMERMANN162♥=+0
+1.1QuarterfinalZIMMERMANN53NT♦5+1+0
+1.1QuarterfinalZIMMERMANN183♦-1+0
+1.0Round of 16JINSHUO174♠♥5=+1
+1.0Round of 16JINSHUO273♥♠6=+0
+0.8Round of 16JINSHUO102♠+1+1
+0.6Round of 16JINSHUO562♠♦A=+5
+0.5Round of 16JINSHUO144♥-1-2
+0.3Round of 16JINSHUO213NT♦Q=-1
+0.3QuarterfinalZIMMERMANN323NT♠4+3+13
+0.3QuarterfinalZIMMERMANN334♠♥6+2-13
+0.2Round of 16JINSHUO483NT♥Q+1+0
+0.1Round of 16JINSHUO25♥+1-1
+0.1QuarterfinalZIMMERMANN62♠♦3=+5
-0.0Round of 16JINSHUO384♠♥T+1+0
+0.0QuarterfinalZIMMERMANN44♠♣5=+0
-0.0QuarterfinalZIMMERMANN232♥+1-1
+0.0QuarterfinalZIMMERMANN342♠♠A=+5
-0.1Round of 16JINSHUO224♥♠A-1+5
-0.1Round of 16JINSHUO233♣♠K-1-1
-0.1Round of 16JINSHUO292♠♦6+2-1
-0.2Round of 16JINSHUO511NT♣7=+0
-0.3QuarterfinalZIMMERMANN414♠♣2=-1
-0.5Round of 16JINSHUO284♠♥5=+0
-0.7Round of 16JINSHUO112♦+2+0
-0.7QuarterfinalZIMMERMANN283NT=-1
-0.7QuarterfinalZIMMERMANN381NT♦3+1-10
-0.9QuarterfinalZIMMERMANN174♠=-8
-1.1QuarterfinalZIMMERMANN222♦=+0
-1.2Round of 16JINSHUO412NT♠Q-2+3
-1.3Round of 16JINSHUO332♣♥K-1-4
-1.3Round of 16JINSHUO34Pass-4
-1.6Round of 16JINSHUO244♠♥Q=+0
-1.7Round of 16JINSHUO251NT♦5=+1
-1.7Round of 16JINSHUO542♠♥A=-6
-2.0Round of 16JINSHUO463♣♠5-1+2
-2.4QuarterfinalZIMMERMANN403♥♣K-1-5
-2.6QuarterfinalZIMMERMANN241NT+2-1
-2.6QuarterfinalZIMMERMANN253NT-2-7
-2.6QuarterfinalZIMMERMANN422NT♠A=-6
-2.7QuarterfinalZIMMERMANN211♥+3-1
-2.9QuarterfinalZIMMERMANN264♦+1-8
-3.0QuarterfinalZIMMERMANN72♦♦3=-5
-3.3QuarterfinalZIMMERMANN133NT♠9+1+1
-3.4Round of 16JINSHUO451NT♥8+3-2
-3.6QuarterfinalZIMMERMANN373NT♥9=-10
-3.7QuarterfinalZIMMERMANN24♠♣K=+0
-4.1QuarterfinalZIMMERMANN155♦=-3
-4.4Round of 16JINSHUO534♠x♥6-1-8
-4.5Round of 16JINSHUO324♠♣6-2-2
-4.5Round of 16JINSHUO493NT♠7=-7
-4.9QuarterfinalZIMMERMANN102♥♠7=-10
-5.1Round of 16JINSHUO364♥♦Q=-8
-7.0QuarterfinalZIMMERMANN366♦♦J=+0
-7.4QuarterfinalZIMMERMANN393NT♥J=-7
-7.6Round of 16JINSHUO422♠x♦8-3-3
-7.7Round of 16JINSHUO13♣=-9
-8.1QuarterfinalZIMMERMANN294♠♦Q=-7
-8.2Round of 16JINSHUO124♥-1-12
-8.4QuarterfinalZIMMERMANN94♥♠A=-8
-8.7QuarterfinalZIMMERMANN116♥♠K=+0
-8.9Round of 16JINSHUO354♥x♠4=-7