NAWROCKI Piotr · SV BRIDGE CLUB

456rank
-20.9Butler · 112 bds
-0.19per board
±4.3swing
+0.02vs par /bd · #354/675
-0.14adjusted /bd
Butler per round: 20.4 1.9 -13 23.9 -6.1 -30.8 -8 -9.2by round

vs par split: bidding -0.10 · play +0.12

Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted -0.14/bd

Card play — on target: opening leads 68.3% #543 of 675 · declarer play 75.9% #351 of 675 · defence 88.3% #230 of 675

Bidding activity — not a pass: 39.3% #543 of 675 (140/356)

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (16)80.0% (25)
Declarer play72.7% (11)77.8% (18)
Defence85.7% (21)89.7% (39)

Opening leads by suit led: ♠ 62.5% (8) · ♥ 75.0% (16) · ♦ 85.7% (7) · ♣ 50.0% (10)

vs par by strain: NT -0.62 (42) · a suit +0.40 (70)

vs par by level: part-score +0.14 (35) · game +0.32 (68) · slam -2.78 (9)

By role: declaring +0.49/bd (-1.98 vs par · 52) · defending -0.77/bd (+1.75 vs par · 60)

By vulnerability: vulnerable -0.57/bd (-0.05 vs par · 56) · not vulnerable +0.20/bd (+0.09 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1P.WiankowskiM.Heshmat – M.GuvenClosed14+20.4+1.46+1.00
Round 2P.WiankowskiK.Anklesaria – D.FilipowiczClosed14+1.9+0.14+2.86
Round 3P.WiankowskiT.Hanlon – F.VolckerOpen14-13.0-0.93-0.57
Round 4P.WiankowskiF.Wen – I.BerringtonClosed14+23.9+1.71+1.71
Round 5P.WiankowskiS.Kapala – P.MadryOpen14-6.1-0.44-1.93
Round 6P.WiankowskiJ.Kranyak – V.DemuyClosed14-30.8-2.20-2.93
Round 7P.WiankowskiD.Msika – I.MoskovitzOpen14-8.0-0.57-0.86
Round 8P.WiankowskiJ.Li – Y.ZhangOpen14-9.2-0.66+0.86

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
+14.0Round 8PIONEERS214♥x♦8=+14
+9.4Round 1RATRUT13NT♠7+1+8
+9.4Round 4TUFF183♠♥A+3+15
+9.3Round 7BIANCHI26♦♠A=+0
+6.6Round 3MORAN24♠♥8-3+13
+6.6Round 5GOVIT43NT♣2+1+0
+6.5Round 2MAVERICKS214♥♣4=+7
+6.2Round 1RATRUT94♥♦3=+3
+6.0Round 4TUFF233NT♥9-2+13
+5.8Round 1RATRUT34♥♦T=+10
+5.6Round 4TUFF263NT♦6=+0
+5.6Round 7BIANCHI114NT♥J-3+7
+5.0Round 1RATRUT133NT♠6=+10
+4.7Round 5GOVIT23NT♣Q+1+1
+4.5Round 2MAVERICKS206♥♣5-1+13
+4.2Round 4TUFF161NT♣2+4+6
+4.1Round 4TUFF173NT♥3+2+0
+4.0Round 7BIANCHI92NT♠2=+0
+3.5Round 3MORAN72♣♣K-2+3
+3.5Round 6SILVER SURFERS281NT♥6=+5
+3.4Round 6SILVER SURFERS165♣♦K=-5
+3.4Round 7BIANCHI44♠♥J-1+12
+3.3Round 1RATRUT23♠♣6-1+12
+3.3Round 2MAVERICKS274♠♥2-1+5
+3.0Round 2MAVERICKS173♦♣K+2+7
+2.9Round 7BIANCHI34♠x♦J-1+0
+2.9Round 8PIONEERS195♦♥A-1+5
+2.5Round 4TUFF244♠♣6-1+10
+2.4Round 2MAVERICKS265♣♠T-1+12
+2.1Round 1RATRUT46♠♦6+1-13
+2.1Round 2MAVERICKS242♦♣6+1+0
+2.1Round 8PIONEERS224♠♥6=+0
+2.0Round 5GOVIT52♥♣3+1+6
+1.9Round 1RATRUT124♥♦K=+0
+1.0Round 1RATRUT102♥♦J+1+10
+1.0Round 1RATRUT114♠♣T=-1
+1.0Round 4TUFF153NT♠J=-1
+1.0Round 5GOVIT83♠♣6-2+1
+0.8Round 2MAVERICKS226NT♣6+1+11
+0.8Round 4TUFF273NT♥5=+0
+0.8Round 8PIONEERS164♥♣K+2+11
+0.5Round 2MAVERICKS283NT♥3+1+0
+0.5Round 6SILVER SURFERS263♣♥6+2+8
+0.4Round 4TUFF202♠♣T=+0
+0.3Round 3MORAN83♠♣K-1-2
+0.3Round 4TUFF193♦♣6+2-10
+0.3Round 6SILVER SURFERS193NT♠8+1+0
+0.3Round 7BIANCHI52♠♥6+1+0
+0.2Round 3MORAN34♥♦K+1+11
+0.2Round 5GOVIT133♠♥7=+0
+0.0Round 8PIONEERS153♥♥5-1+0
-0.2Round 6SILVER SURFERS233NT♣J+1-1
-0.2Round 7BIANCHI14♠♥6+1+0
-0.5Round 5GOVIT13NT♣J=+1
-0.6Round 5GOVIT34♥♣6+1+0
-0.6Round 6SILVER SURFERS213NT♠J-1-1
-0.7Round 2MAVERICKS153NT♠2+1+0
-0.7Round 3MORAN116♣♥6=-11
-0.7Round 5GOVIT101NT♥J=-5
-0.7Round 6SILVER SURFERS223NT♥6+2+0
-0.7Round 8PIONEERS174♠♣T+1+8
-1.0Round 3MORAN13NT♦5=+0
-1.0Round 4TUFF213♣♠A-1-4
-1.0Round 8PIONEERS244♥♣A+1+0
-1.1Round 7BIANCHI144♠x♦5-2-4
-1.3Round 2MAVERICKS161NT♦8+1-6
-1.4Round 3MORAN144♥♦A=-3
-1.4Round 4TUFF284♠♥3+1+0
-1.5Round 3MORAN101NT♠6-3+7
-1.5Round 5GOVIT73NT♥4+3-13
-1.6Round 2MAVERICKS181NT♥7=+0
-1.7Round 5GOVIT113NT♥6=+0
-1.8Round 2MAVERICKS254♠x♣6-2-2
-1.8Round 8PIONEERS204♠♦4=+1
-1.9Round 8PIONEERS182NT♥6-1-4
-2.0Round 8PIONEERS251NT♣4+1+0
-2.1Round 1RATRUT84♠♥K-1-5
-2.1Round 7BIANCHI123NT♠4=+1
-2.3Round 4TUFF252♠♣J+1+0
-2.3Round 8PIONEERS265♦♠4+1+1
-2.4Round 7BIANCHI103♥♦K=-10
-2.5Round 1RATRUT63♠♦6+1+2
-2.6Round 3MORAN93NT♣6-3-10
-2.7Round 1RATRUT143♠♦3-2-5
-2.7Round 5GOVIT145♣♥7=+0
-2.7Round 8PIONEERS286NT♣Q+1-10
-2.8Round 3MORAN53NT♠3=+1
-2.8Round 3MORAN132♥♣5=+0
-3.3Round 5GOVIT123NT♥3-1-10
-3.3Round 6SILVER SURFERS243NT♦4+1-1
-3.3Round 7BIANCHI132♥♦6+1+0
-3.4Round 3MORAN65♦♠5-2-5
-3.4Round 3MORAN124♦♣6-3-6
-3.4Round 6SILVER SURFERS252♥♣J+1+0
-3.7Round 2MAVERICKS195♣♦A=+0
-3.7Round 6SILVER SURFERS176♦♥6-1-8
-3.9Round 1RATRUT53NT♠6-1-5
-4.0Round 3MORAN44♥♠A-1-6
-4.1Round 1RATRUT74♠♥J-1-12
-4.1Round 5GOVIT63NT♥5+4-2
-4.4Round 6SILVER SURFERS154♠♥7=-11
-5.2Round 6SILVER SURFERS201NT♠8+3-13
-5.5Round 5GOVIT94NT♠6-4-6
-5.7Round 4TUFF223NT♠K-3-5
-5.7Round 7BIANCHI74♥♠K=+1
-7.4Round 8PIONEERS273NT♥J+2-4
-8.0Round 7BIANCHI84♠♦2=-7
-8.4Round 6SILVER SURFERS184♥♠6-2-14
-8.6Round 6SILVER SURFERS276♦♥6=+0
-9.2Round 8PIONEERS234♠♣J=-10
-10.7Round 7BIANCHI62♠x♥Q-3-12
-12.1Round 2MAVERICKS236♣♠A=-7