BIZON Piotr · POLAND Seniors

53rank
+16.1Butler · 84 bds
+0.19per board
±4.5swing
+0.65vs par /bd · #6/30
+0.17adjusted /bd
Butler per round: -0.3 -0.3 45.5 45.5 -29.1 -29.1by round

vs par split: bidding +0.35 · play +0.31

Strength of schedule: opponents averaged -0.02/bd (an average draw) → opponent-adjusted +0.17/bd

Card play — on target: opening leads 57.1% #30 of 30 · declarer play 80.0% #11 of 30 · defence 85.3% #15 of 30

Card play by contract type — on target
vs NTvs a suit
Opening leads28.6% (7)85.7% (7)
Declarer play50.0% (4)87.5% (16)
Defence75.0% (16)94.4% (18)

Opening leads by suit led: ♠ 25.0% (4) · ♥ 83.3% (6) · ♦ 33.3% (3) · ♣ 100.0% (1)

vs par by strain: NT +0.25 (32) · a suit +0.90 (52)

vs par by level: part-score -0.21 (33) · game +1.23 (44) · slam +1.14 (7)

By role: declaring -0.38/bd (-1.80 vs par · 50) · defending +1.03/bd (+4.26 vs par · 34)

By vulnerability: vulnerable -0.91/bd (+0.19 vs par · 42) · not vulnerable +1.29/bd (+1.12 vs par · 42)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32M.SzymanowskiJ.Li – J.LiuOpen14+3.5+0.25-1.29
Round of 32M.SzymanowskiZ.Fu – X.HouOpen14-3.8-0.27+0.64
Round of 16M.SzymanowskiY.Sun – J.YinOpen14+11.3+0.81+0.50
Round of 16M.SzymanowskiJ.Yin – Y.KuangOpen14+34.2+2.44+3.79
QuarterfinalM.SzymanowskiJ.Dai – L.YangOpen14-18.5-1.32+1.00
QuarterfinalM.SzymanowskiJ.Dai – L.YangOpen14-10.6-0.76-0.71

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
+11.3Round of 16REIGNWOOD146♥♦K=+5
+11.3Round of 16REIGNWOOD184♥♠7-1+12
+10.9Round of 32PD TIMES245♦x♥K=+10
+8.1Round of 16REIGNWOOD125♥♣7-1+9
+8.1Round of 16REIGNWOOD213NT♥10=+7
+7.7Round of 16REIGNWOOD22NT♣3-3+9
+7.7QuarterfinalZHEJIANGQIANTANG225♣♥A-1+10
+6.1Round of 16REIGNWOOD163NT♠9+1+10
+6.0Round of 16REIGNWOOD245♥♠K-1+10
+5.6Round of 16REIGNWOOD261♥♣4+1+6
+5.4QuarterfinalZHEJIANGQIANTANG184♥♠3=+11
+5.1QuarterfinalZHEJIANGQIANTANG16♠♠3+1+1
+4.6Round of 16REIGNWOOD153NT♠10-1+13
+4.0Round of 16REIGNWOOD73♠♥7=+0
+3.1QuarterfinalZHEJIANGQIANTANG33NT♥6-2+11
+3.0Round of 32PD TIMES101NT♥A-2+3
+2.9QuarterfinalZHEJIANGQIANTANG94♠♥8-2+6
+2.8Round of 32PD TIMES254♥♦6-1+5
+2.7Round of 32PD TIMES173NT♥6+1-1
+2.4Round of 16REIGNWOOD273NT♠Q-2+5
+1.9Round of 16REIGNWOOD13♥♠J-1+2
+1.9QuarterfinalZHEJIANGQIANTANG274♠♦J+2+1
+1.7Round of 32PD TIMES116NT♣J=+0
+1.7Round of 16REIGNWOOD91NT♥J=+2
+1.7QuarterfinalZHEJIANGQIANTANG164♠♥K+1+0
+1.5Round of 32PD TIMES74♥♣6=-1
+1.4Round of 16REIGNWOOD201♥♥2-1+0
+1.3Round of 32PD TIMES84♠♥7+2-11
+1.2Round of 32PD TIMES93♦♥K=+0
+1.2Round of 32PD TIMES123♦♣8=+0
+1.1Round of 32PD TIMES204♠♣6+1+1
+0.9Round of 32PD TIMES41NT♠5+1+5
+0.9QuarterfinalZHEJIANGQIANTANG113NT♠5=+2
+0.7Round of 32PD TIMES211NT♥4-1+0
+0.7Round of 16REIGNWOOD33♥♣A=+1
+0.6Round of 16REIGNWOOD63♣♥2=+1
+0.6QuarterfinalZHEJIANGQIANTANG263♣♥A+1+0
+0.5Round of 32PD TIMES154♠♣2=+0
+0.5Round of 32PD TIMES225♣♠3=+1
+0.5Round of 16REIGNWOOD84♠♥4=+1
+0.4Round of 32PD TIMES14♥♣K+1+0
+0.4Round of 32PD TIMES143NT♦Q=-1
+0.3QuarterfinalZHEJIANGQIANTANG133NT♦3+2+13
+0.2Round of 32PD TIMES273NT♥5=+1
+0.1Round of 16REIGNWOOD283♠♦8=+0
-0.0Round of 32PD TIMES24♥♦2-2+11
+0.0Round of 32PD TIMES54♠♥4=+0
-0.0QuarterfinalZHEJIANGQIANTANG84♠x♥2-2-5
-0.1Round of 16REIGNWOOD221NT♥3-1+4
-0.1QuarterfinalZHEJIANGQIANTANG142♣♦10+1+0
-0.3Round of 16REIGNWOOD44♠♦Q=+3
-0.5Round of 32PD TIMES161NT♥8+1+1
-0.6QuarterfinalZHEJIANGQIANTANG172♥x♠9-2+3
-0.7QuarterfinalZHEJIANGQIANTANG61NT♥4+2+0
-1.1QuarterfinalZHEJIANGQIANTANG253NT♦6+2+10
-1.3Round of 16REIGNWOOD171NT♥3-4-2
-1.3QuarterfinalZHEJIANGQIANTANG243♠♣7-1-4
-1.4QuarterfinalZHEJIANGQIANTANG72♠♥5=+10
-1.6QuarterfinalZHEJIANGQIANTANG213NT♠K-1-10
-1.8Round of 32PD TIMES62♠♦Q+2-2
-1.9Round of 16REIGNWOOD195♣♥J=+0
-1.9QuarterfinalZHEJIANGQIANTANG51NT♦Q=-5
-2.4Round of 32PD TIMES133♥♠A-1-5
-2.4QuarterfinalZHEJIANGQIANTANG21NT♦6-2+0
-2.4QuarterfinalZHEJIANGQIANTANG205♦♠K-1-12
-2.5Round of 16REIGNWOOD52♠♦6=+0
-2.6Round of 32PD TIMES266♠♣J=+13
-2.7QuarterfinalZHEJIANGQIANTANG231NT♦10+2+0
-2.8Round of 32PD TIMES185♣♦3-1-5
-3.1Round of 32PD TIMES236♠♥K=+0
-3.3QuarterfinalZHEJIANGQIANTANG154♠♣3=+0
-3.4Round of 16REIGNWOOD233NTx♦A-1-2
-3.5Round of 32PD TIMES284♠♥2-1-4
-3.6QuarterfinalZHEJIANGQIANTANG283♣♠K-3-7
-3.9Round of 32PD TIMES33NT♣10+2-17
-4.7Round of 16REIGNWOOD252♠♣9+2-10
-5.0QuarterfinalZHEJIANGQIANTANG101NT♣A-2-7
-6.3Round of 16REIGNWOOD103NT♠10-1-6
-6.9Round of 16REIGNWOOD134♥♠2+2-9
-7.0QuarterfinalZHEJIANGQIANTANG126♣♥K=+0
-9.2Round of 16REIGNWOOD116♠♦J-1-11
-10.7Round of 32PD TIMES193NT♣Q-2-13
-11.3QuarterfinalZHEJIANGQIANTANG193NTx♦10-2-12
-12.3QuarterfinalZHEJIANGQIANTANG41NTx♠6-3-12