ROZANSKI Oliver · KICIA ROZEK

220rank
+15.6Butler · 112 bds
+0.14per board
±5.0swing
-0.29vs par /bd · #324/488
+0.42adjusted /bd
Butler per round: -10.4 -0.9 35.3 -11.8 19.6 -7.1 -6 -3.1by round

vs par split: bidding +0.11 · play -0.39

Strength of schedule: opponents averaged +0.28/bd (a tough draw) → opponent-adjusted +0.42/bd

Card play — on target: opening leads 79.2% #299 of 488 · declarer play 80.0% #140 of 488 · defence 81.6% #412 of 488

Bidding activity — not a pass: 48.6% #41 of 488 (159/327)

Card play by contract type — on target
vs NTvs a suit
Opening leads62.5% (8)87.5% (16)
Declarer play77.8% (9)81.0% (21)
Defence73.3% (15)85.3% (34)

Opening leads by suit led: ♠ 80.0% (5) · ♥ 75.0% (8) · ♦ 100.0% (4) · ♣ 71.4% (7)

vs par by strain: NT +2.18 (28) · a suit -1.11 (84)

vs par by level: part-score -0.53 (40) · game -1.05 (59) · slam +3.92 (13)

By role: declaring +0.93/bd (-2.10 vs par · 63) · defending -0.87/bd (+2.04 vs par · 49)

By vulnerability: vulnerable -0.55/bd (-1.12 vs par · 56) · not vulnerable +0.83/bd (+0.55 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1E.BagrowskaM.Sun – M.ShenClosed14-10.4-0.74-3.57
Round 2E.BagrowskaW.Gong – Y.WangClosed14-0.9-0.06-0.93
Round 3E.BagrowskaM.Hutyra – G.BrewiakClosed14+35.3+2.52+2.93
Round 4E.BagrowskaA.Zareba – Y.ShenClosed14-11.8-0.84+0.14
Round 5E.BagrowskaK.Schwalbach – M.GuendelClosed14+19.6+1.40+0.29
Round 6E.BagrowskaJ.Wooldridge – J.EdmondsClosed14-7.1-0.51-1.86
Round 7E.BagrowskaZ.Shao – J.RanClosed14-6.0-0.43+0.21
Round 8E.BagrowskaN.Senior – A.MalinowskiClosed14-3.1-0.22+0.50

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
+12.8Round 6EDMONDS183♣xx♦T+1+12
+11.9Round 3GROUP ONE TEAM137♥♥2=+0
+10.6Round 6EDMONDS286♠♠2=+0
+10.3Round 3GROUP ONE TEAM146♠♣8-2+11
+9.5Round 4SHEN274♦x♣A+1+5
+9.2Round 2JINJIANG206♠♦K=+13
+9.2Round 5BV WALDSOLMS86NT♠4-3+15
+8.2Round 2JINJIANG176♥♠T=+0
+7.5Round 3GROUP ONE TEAM103NT♦K=+10
+7.1Round 1CHINA ENJOY85♥♠7=+8
+6.2Round 3GROUP ONE TEAM124♥♠3+1+1
+5.7Round 3GROUP ONE TEAM83NT♥6+2+1
+5.6Round 7GR4S51NTx♥7=+7
+5.1Round 3GROUP ONE TEAM25♦♥A-2+0
+5.1Round 5BV WALDSOLMS65♦♦Q=+0
+5.1Round 8LEIBOWITZ243NT♣7=+6
+5.0Round 1CHINA ENJOY136♠♥K+1-13
+4.3Round 2JINJIANG244♣♣6=+1
+3.9Round 5BV WALDSOLMS52♥♦J=+0
+3.7Round 4SHEN283♠♣A=+1
+3.6Round 8LEIBOWITZ264♥♠K-3+5
+3.5Round 6EDMONDS153♥♣K=+6
+3.5Round 7GR4S33♣x♠A-1+2
+3.4Round 8LEIBOWITZ283♠♥Q-2+11
+3.2Round 2JINJIANG221NT♥6+5+12
+3.2Round 4SHEN174♥♦4=+0
+3.1Round 1CHINA ENJOY24♠♥A+1-4
+3.1Round 1CHINA ENJOY124♥♣A+2+1
+3.1Round 5BV WALDSOLMS143♣♦6-1+4
+3.0Round 5BV WALDSOLMS122♠♦A+1+1
+2.9Round 5BV WALDSOLMS101NT♣A+3+10
+2.8Round 4SHEN264♥♦A-1+12
+2.8Round 8LEIBOWITZ176NT♣3=+0
+2.5Round 5BV WALDSOLMS74♥♠3=-10
+2.2Round 3GROUP ONE TEAM14♣♥K-1+4
+2.1Round 3GROUP ONE TEAM93NT♦6-2+8
+2.0Round 2JINJIANG193NT♠2-2+11
+1.9Round 6EDMONDS264♠♥4=+0
+1.9Round 6EDMONDS273NT♠3+2+0
+1.9Round 7GR4S144♥♠A-1-2
+1.8Round 5BV WALDSOLMS23NT♠K+1+1
+1.7Round 5BV WALDSOLMS13♥♦A-1+4
+1.1Round 4SHEN234♠♠T-1+6
+1.1Round 4SHEN253♦♥7+1+0
+1.0Round 1CHINA ENJOY64♥♣A=+0
+0.9Round 2JINJIANG274♥♦T+1+0
+0.7Round 2JINJIANG152♠♦5-1-1
+0.6Round 1CHINA ENJOY34♠♣7=+0
+0.6Round 4SHEN201NT♠5-1+1
+0.6Round 7GR4S103NT♣J+1-1
+0.5Round 7GR4S111NT♥6+1+7
+0.5Round 7GR4S136♥♦8+1+13
+0.5Round 8LEIBOWITZ232♠♥6=+9
+0.5Round 8LEIBOWITZ253NT♦4+2+0
+0.3Round 1CHINA ENJOY14♥♠7+3-10
+0.3Round 6EDMONDS164♥♠4=+0
+0.3Round 7GR4S64♥♦A=+0
+0.2Round 8LEIBOWITZ163NT♣Q=+1
+0.1Round 2JINJIANG264♠♦J-1-6
+0.1Round 5BV WALDSOLMS114♠♥6=+0
+0.1Round 8LEIBOWITZ212♠♣T=-1
-0.1Round 3GROUP ONE TEAM54♥♣9=+1
-0.1Round 8LEIBOWITZ194♥x♦K-2-8
-0.2Round 3GROUP ONE TEAM114♥♣K+1+0
-0.2Round 6EDMONDS254♠♥J+1+0
-0.3Round 7GR4S84♥♣9=+0
-0.3Round 7GR4S93NT♥8+3+13
-0.4Round 2JINJIANG163♥♦K-1-5
-0.4Round 3GROUP ONE TEAM63♦♥8=-7
-0.5Round 8LEIBOWITZ182♠♥8+2-6
-0.6Round 5BV WALDSOLMS43♥♣8=-10
-0.7Round 5BV WALDSOLMS92♥♣6-1-7
-0.8Round 1CHINA ENJOY104♥♠7+1+0
-0.9Round 5BV WALDSOLMS34♠♣2+1+13
-1.1Round 7GR4S124♠♥A-1+3
-1.3Round 1CHINA ENJOY93♠♥A+1-6
-1.3Round 3GROUP ONE TEAM73NT♠Q+2-1
-1.3Round 8LEIBOWITZ224♠♥K+3+10
-1.5Round 1CHINA ENJOY144♥♣T+1+0
-1.6Round 4SHEN154♠♣J+1+0
-1.6Round 4SHEN222♥♦Q=-7
-1.7Round 8LEIBOWITZ273♣♦3=+0
-2.1Round 4SHEN163♣♥A-1-4
-2.2Round 2JINJIANG253NT♣6-1+0
-2.6Round 3GROUP ONE TEAM33♦♣K=+0
-2.8Round 7GR4S22♠♣4-3-5
-2.9Round 6EDMONDS214♥♠Q-1-5
-3.2Round 6EDMONDS173♥♣T+1-4
-3.3Round 8LEIBOWITZ203♠♥A-1-6
-3.5Round 6EDMONDS193NT♥5+2-1
-3.7Round 7GR4S12NT♣9-1-10
-3.9Round 1CHINA ENJOY42♥♣Q=-6
-4.0Round 1CHINA ENJOY52♦♠A-1-6
-4.0Round 7GR4S44♠♥8=-10
-4.7Round 6EDMONDS245♦♠4-2-5
-4.8Round 2JINJIANG216♦x♥A-3+0
-4.8Round 4SHEN242♦x♣3=-3
-5.1Round 6EDMONDS224♥♣T=-7
-5.7Round 4SHEN196♣♥6+1+13
-5.8Round 1CHINA ENJOY113NT♥2=+0
-5.9Round 2JINJIANG183NT♦J=-10
-6.7Round 7GR4S75♦♠A+1-14
-8.0Round 2JINJIANG235♣♦2+2-17
-8.2Round 2JINJIANG284♥♠6-1-11
-8.7Round 6EDMONDS203NT♥8=-10
-8.8Round 4SHEN184♠♣Q-1-12
-9.2Round 4SHEN211NT♥T-3-10
-9.8Round 6EDMONDS233NT♣A=-12
-11.1Round 3GROUP ONE TEAM46NT♥7=+13
-11.5Round 5BV WALDSOLMS135♦♥K-2-17
-12.4Round 8LEIBOWITZ157♠x♣8-1-14
-13.3Round 1CHINA ENJOY73♥x♠K=-14