BIZON Piotr · POLAND

19rank
+91.8Butler · 168 bds
+0.55per board
±3.6swing
+1.48vs par /bd · #1/120
+0.71adjusted /bd
Butler per round: 8.9 23.3 -7.3 17.4 10.7 -8 5.3 -6 35.7 21.9 10.7 -20.8by round

vs par split: bidding +1.26 · play +0.21

Strength of schedule: opponents averaged +0.17/bd (a tough draw) → opponent-adjusted +0.71/bd

Card play — on target: opening leads 83.3% #54 of 120 · declarer play 68.6% #105 of 120 · defence 93.4% #19 of 120

Bidding activity — not a pass: 44.5% #37 of 120 (214/481)

Card play by contract type — on target
vs NTvs a suit
Opening leads71.4% (7)86.2% (29)
Declarer play50.0% (8)74.1% (27)
Defence86.7% (15)94.7% (76)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 83.3% (12) · ♦ 85.7% (7) · ♣ 90.0% (10)

vs par by strain: NT +0.91 (33) · a suit +1.60 (134)

vs par by level: part-score +0.38 (69) · game +1.77 (87) · slam +5.91 (11)

By role: declaring +0.79/bd (-1.15 vs par · 76) · defending +0.34/bd (+3.65 vs par · 91)

By vulnerability: vulnerable +0.60/bd (+1.81 vs par · 84) · not vulnerable +0.49/bd (+1.14 vs par · 84)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1P.GawrysP.Sridharan – R.DalalClosed14+8.9+0.64+3.21
Round 2P.GawrysP.Walczak – G.LewaciakClosed14+23.3+1.66+2.86
Round 3P.GawrysV.Markowicz – K.MoszczynskiClosed14-7.3-0.52-0.64
Round 4P.GawrysA.Kowalski – P.TuszynskiClosed14+17.4+1.24+2.43
Round 5P.GawrysA.Twardowski – R.PalaszClosed14+10.7+0.76+0.07
Round 6P.GawrysA.Levy – M.AbecassisClosed14-8.0-0.57+0.64
Round 7P.GawrysJ.Lekki – P.StopaClosed14+5.3+0.38+0.43
Round 8P.GawrysB.Senior – P.HackettClosed14-6.0-0.43-0.21
Round 9P.GawrysA.Kalish – N.GrinbergClosed14+35.7+2.55+3.79
Round 10P.GawrysJ.Van Der Neut – P.ZwartClosed14+21.9+1.56+2.71
Round 11P.GawrysI.Baqai – M.DunitzClosed14+10.7+0.76+0.50
Round 12P.GawrysB.Gierulski – A.BochenskiOpen14-20.8-1.49+1.93

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
+11.6Round 9KALISH23NT♦T-3+14
+11.1Round 11SIMSON114♥x♥2=+10
+10.5Round 7GDAKRA106NT♥2-1+13
+8.5Round 10VALLON166♥♠Q=+13
+8.4Round 11SIMSON65♠♣3=+11
+8.3Round 2PKB THERM214♥♦K+1+4
+7.3Round 2PKB THERM163♥x♦K-2+11
+7.0Round 5PKB POZNAN44♥♣6=+0
+6.7Round 9KALISH94♥♣K+1+4
+6.6Round 10VALLON274♥♠A=+7
+6.3Round 6ZIMMERMANN224♥♠Q=+7
+6.3Round 7GDAKRA75♦♠A+2+14
+6.0Round 2PKB THERM183NT♦J=+10
+6.0Round 5PKB POZNAN86NT♥6-1+14
+5.9Round 12BAZA BOGIER283♣♣3+2+7
+5.7Round 10VALLON213♠♥6-2+2
+5.5Round 1TEXAN ACES113NT♦6+1+1
+5.4Round 9KALISH123♣♣7-1+9
+5.3Round 4MILNER202♥♣A=+6
+5.0Round 4MILNER184♠♣Q=+3
+4.7Round 1TEXAN ACES23♠♥A+2+12
+4.7Round 10VALLON174♠♥5+2+11
+4.6Round 2PKB THERM233NT♠2+4+16
+4.4Round 6ZIMMERMANN214♥x♦J-1+6
+4.3Round 3MISFIT13♥♦Q=+6
+4.2Round 10VALLON193♦♥6=+6
+4.1Round 2PKB THERM264♠x♥Q-1+8
+4.1Round 9KALISH134♠♣6=+0
+4.0Round 4MILNER253♥♣J-2+2
+4.0Round 12BAZA BOGIER215♦♣4-1+5
+3.7Round 3MISFIT34♥♣K-1+5
+3.2Round 3MISFIT124♥♣6=+0
+3.2Round 5PKB POZNAN134♠♥A+1-13
+3.1Round 8MOSSOP203♣♠5-1-1
+3.0Round 8MOSSOP176NT♣6=+0
+3.0Round 9KALISH145♣x♠Q-2+5
+2.7Round 1TEXAN ACES14♥♣4=+11
+2.6Round 9KALISH53♥♦A-1+5
+2.4Round 10VALLON244♠♠6+1+0
+2.3Round 1TEXAN ACES143NT♠4+2+0
+2.3Round 2PKB THERM152♥♦K-1+5
+2.3Round 4MILNER234♠♠T-1+6
+2.3Round 7GDAKRA144♠x♥9-1+5
+2.1Round 4MILNER174♥♦4=+0
+2.1Round 4MILNER282♠♣K+1+1
+2.0Round 7GDAKRA44♠♥8=+10
+1.9Round 3MISFIT94♠♥K-2+8
+1.9Round 6ZIMMERMANN193NT♥2=-1
+1.9Round 11SIMSON52♥♠J+1+0
+1.9Round 11SIMSON122♠♦Q=+5
+1.8Round 9KALISH72♠♦2+2+10
+1.7Round 5PKB POZNAN65♦♠A=+0
+1.7Round 7GDAKRA51♥♥3+1+0
+1.7Round 11SIMSON43♥♠Q-1+0
+1.6Round 1TEXAN ACES92♠♥A+2+6
+1.6Round 9KALISH114♥♦7=-1
+1.6Round 10VALLON234♥♣7-2+2
+1.5Round 4MILNER264♥♣5-1+12
+1.5Round 6ZIMMERMANN153♥♠9-1-2
+1.4Round 2PKB THERM244♣♦J-1+4
+1.4Round 5PKB POZNAN101NT♣Q+2+10
+1.4Round 9KALISH101♥♠9+2+0
+1.3Round 2PKB THERM204♠♥T+1+0
+1.3Round 4MILNER161NT♣A-1+0
+1.3Round 5PKB POZNAN53♣♣7-1-2
+1.3Round 11SIMSON22♠♣K=+0
+1.3Round 12BAZA BOGIER192♥♠A+1+0
+1.2Round 1TEXAN ACES75♦x♦4-1+0
+1.2Round 8MOSSOP232♠♥9=+9
+1.1Round 1TEXAN ACES52♣♥A-1+3
+1.1Round 7GDAKRA112♠♦6+2-6
+1.1Round 8MOSSOP263♥♠9-2+3
+1.0Round 9KALISH33♦♠A-1-2
+0.8Round 4MILNER212♠♣6+1+0
+0.8Round 11SIMSON73NT♦7+2+0
+0.7Round 5PKB POZNAN1Pass+3
+0.7Round 5PKB POZNAN23NT♠2+1+1
+0.7Round 5PKB POZNAN91NT♥Q+2-6
+0.7Round 8MOSSOP284♠♥Q-3+10
+0.7Round 9KALISH64♥♠K+2+11
+0.7Round 10VALLON251NT♦6+1+0
+0.3Round 1TEXAN ACES104♥♠6+1+0
+0.3Round 4MILNER243♦♥K-1+4
+0.3Round 6ZIMMERMANN185♣♥9-1+5
+0.3Round 6ZIMMERMANN254♠♥J+1+0
+0.3Round 12BAZA BOGIER262♦♥6+1-1
+0.2Round 7GDAKRA84♥♣9=+0
+0.1Round 4MILNER273♠♣Q=-7
+0.1Round 7GDAKRA93NT♠8+3-13
+0.0Round 3MISFIT54♥♠5+1+0
-0.0Round 3MISFIT73NT♦4+1+0
+0.0Round 5PKB POZNAN114♠♥Q=+0
+0.0Round 5PKB POZNAN142♠♣4-2+0
+0.0Round 10VALLON182♠♥6=+0
-0.1Round 8MOSSOP213♦♥K-1-1
-0.1Round 11SIMSON144♠♣A-2+0
-0.2Round 3MISFIT114♥♦9+1+0
-0.2Round 10VALLON224♠♦T+1+0
-0.3Round 3MISFIT62♠♣9-1-7
-0.3Round 8MOSSOP253NT♦6+1-1
-0.3Round 12BAZA BOGIER233NT♥J+2+13
-0.4Round 9KALISH13♥♠K-1-2
-0.5Round 1TEXAN ACES85♣x♥A-1+0
-0.5Round 7GDAKRA64♥♦A=+0
-0.5Round 12BAZA BOGIER252♣♠2-1+2
-0.6Round 3MISFIT43NT♥J+2+17
-0.7Round 6ZIMMERMANN164♥♦8=+0
-0.7Round 7GDAKRA13♥♠2=+7
-0.7Round 7GDAKRA125♣♠K-1-6
-0.9Round 8MOSSOP224♠♦K+2+11
-1.0Round 2PKB THERM174♥♠T+1+11
-1.0Round 3MISFIT136♥♥6+1-13
-1.0Round 11SIMSON131NT♦Q+1-1
-1.0Round 12BAZA BOGIER153♦♦4+1+0
-1.0Round 12BAZA BOGIER183♠♥Q=+0
-1.1Round 8MOSSOP273♣♦5=+0
-1.1Round 10VALLON282♦♥A-1-4
-1.1Round 11SIMSON13♠♠6=+0
-1.2Round 2PKB THERM284♥♦A=+1
-1.2Round 4MILNER222♥♦Q=-7
-1.2Round 6ZIMMERMANN232NT♣8-1+0
-1.2Round 11SIMSON94♦♠7-3-8
-1.3Round 1TEXAN ACES34♠♦3+1-1
-1.3Round 1TEXAN ACES64♥♣A=+0
-1.3Round 2PKB THERM274♥♣4+1+0
-1.3Round 8MOSSOP182♠♠6+1-7
-1.3Round 9KALISH42♠♠T+1+0
-1.5Round 10VALLON152♠♣9-1+1
-1.7Round 2PKB THERM193NT♠2-2-11
-1.8Round 6ZIMMERMANN174♥♦K=-3
-1.8Round 8MOSSOP192♠♠Q+1-10
-1.9Round 1TEXAN ACES136♦♥A=+13
-1.9Round 3MISFIT144♠♦Q+1+0
-1.9Round 6ZIMMERMANN273NT♠6+2+0
-2.0Round 11SIMSON84♥♦Q=-3
-2.1Round 7GDAKRA21NT♠3=-1
-2.1Round 8MOSSOP163NT♣Q+2-1
-2.3Round 6ZIMMERMANN285♠♠9+1+11
-2.4Round 4MILNER154♠♦Q=+1
-2.5Round 1TEXAN ACES42♠♥8+1+0
-2.5Round 9KALISH83♣♥8+1+0
-2.6Round 7GDAKRA33♦♠K+1+0
-3.0Round 1TEXAN ACES124♥♣A+1+0
-3.0Round 5PKB POZNAN121NT♠8=-5
-3.2Round 2PKB THERM252♥♥9-3-6
-3.2Round 6ZIMMERMANN263NT♥2=+1
-3.2Round 8MOSSOP154♠♠6+3-10
-3.3Round 11SIMSON103♠♥A=+0
-3.6Round 2PKB THERM222NT♠3+2-13
-3.6Round 10VALLON203♣♦K+1+0
-3.6Round 12BAZA BOGIER274♣♠Q-2-5
-3.7Round 5PKB POZNAN35♣♣5+2+13
-3.7Round 12BAZA BOGIER166♣♣3=+1
-3.8Round 4MILNER196♣♠8+1+13
-4.2Round 6ZIMMERMANN203NT♠J-1-6
-4.3Round 8MOSSOP243NT♣5-1-5
-4.5Round 12BAZA BOGIER176♣♥A+1+11
-4.6Round 12BAZA BOGIER222♥♦A+2-6
-4.8Round 3MISFIT24♠♣A-3-9
-5.3Round 5PKB POZNAN75♣x♥A-1-14
-5.6Round 3MISFIT103NT♦Q-1-6
-6.0Round 3MISFIT83NT♣5-1-10
-6.1Round 10VALLON266♥♠4=+0
-6.5Round 12BAZA BOGIER246♠♦Q=+0
-6.6Round 12BAZA BOGIER204♠♥K=+0
-7.4Round 6ZIMMERMANN244♠x♥A+1-9
-7.7Round 11SIMSON34♥♠K-2-7
-12.3Round 7GDAKRA134♥♦4+3-17