DOBRZYNSKI Maciej · SPIDER TEAM

214rank
-28.7Butler · 120 bds
-0.24per board
±4.8swing
-0.32vs par /bd · #219/311
-0.14adjusted /bd
Butler per round: 20.7 -6.7 13 -9.3 5.1 -2.3 3.1 10.5 -14.1 -11.2 -33.6 -3.9by round

vs par split: bidding -0.26 · play -0.06

Strength of schedule: opponents averaged +0.10/bd (a tough draw) → opponent-adjusted -0.14/bd

Card play — on target: opening leads 86.2% #52 of 310 · declarer play 78.1% #116 of 311 · defence 82.8% #252 of 311

Card play by contract type — on target
vs NTvs a suit
Opening leads88.9% (9)85.0% (20)
Declarer play60.0% (10)86.4% (22)
Defence58.8% (17)92.7% (41)

Opening leads by suit led: ♠ 60.0% (5) · ♥ 83.3% (6) · ♦ 83.3% (6) · ♣ 100.0% (12)

vs par by strain: NT -1.86 (37) · a suit +0.37 (83)

vs par by level: part-score -0.63 (38) · game -0.35 (71) · slam +1.00 (11)

By role: declaring -0.24/bd (-2.21 vs par · 62) · defending -0.23/bd (+1.71 vs par · 58)

By vulnerability: vulnerable -0.01/bd (-0.21 vs par · 56) · not vulnerable -0.44/bd (-0.41 vs par · 64)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1T.KowalczewskiG.Venkatesh – A.PadhyeOpen10+20.7+2.07+1.40
Round 2T.KowalczewskiG.Narkiewicz – K.BurasClosed10-6.7-0.67+0.00
Round 3T.KowalczewskiZ.Grossack – S.RubensteinClosed10+13.0+1.30+1.60
Round 4T.KowalczewskiA.Gulevich – A.GromovClosed10-9.3-0.93+1.20
Round 5T.KowalczewskiP.Wiankowski – P.NawrockiOpen10+5.1+0.51+0.70
Round 6T.KowalczewskiA.Gandoglia – L.CimaClosed10-2.3-0.23+0.50
Round 8T.KowalczewskiP.Crouch – A.HydesOpen10+3.1+0.31+0.40
Round 9T.KowalczewskiA.Madala – D.BildeOpen10+10.5+1.05-1.30
Round 11T.KowalczewskiE.Klems – M.KopeckyClosed10-14.1-1.41-4.20
Round 12T.KowalczewskiM.Bessis – B.CabanesOpen10-11.2-1.12-2.10
Round 14T.KowalczewskiR.Rohowsky – P.GruenkeOpen10-33.6-3.36-3.20
Round 15J.GaweckiS.Thorpe – S.Van OostenClosed10-3.9-0.39+1.20

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
+12.3Round 9LAVAZZA266♥♣2-2+13
+11.8Round 2BERNAL195♥x♦A=+15
+10.6Round 14AMALIA124♥x♣3=+13
+10.3Round 1TEXAN ACES36♠♦7-1+11
+9.5Round 2BERNAL183NT♣7+1+11
+8.4Round 15LUPO VELOCE305♦♣6-1+11
+7.5Round 2BERNAL162♣x♣10-4+5
+6.2Round 1TEXAN ACES73NT♦7=+0
+6.1Round 4SPIDER TEAM36♦♣6-1+16
+5.8Round 3RUBENSTEIN295♣x♦K-1+8
+5.7Round 3RUBENSTEIN276♠♣4-2+11
+5.5Round 3RUBENSTEIN263♣♥J-1-1
+5.5Round 5MARTENS122♣♣8=+12
+5.4Round 12ZIMM FRIENDS264♥♣7-1+13
+5.3Round 8GILLIS134♥♠8=+0
+5.2Round 8GILLIS114♠x♥6=+5
+5.1Round 1TEXAN ACES82♠♦10=+11
+4.9Round 6ALPHAVISION283NT♣3=+7
+4.7Round 3RUBENSTEIN286♥♦A=+0
+4.3Round 3RUBENSTEIN302♣x♥K-2-3
+3.9Round 6ALPHAVISION293♠♦K-1+5
+3.5Round 14AMALIA194♠x♦7-1+7
+3.4Round 8GILLIS194♠♠J-1+10
+3.3Round 3RUBENSTEIN233♥♠A-2+3
+3.2Round 6ALPHAVISION275♦♥K+1+11
+3.1Round 9LAVAZZA226♠♠3=+0
+3.1Round 9LAVAZZA244♠♦9+1-11
+2.4Round 1TEXAN ACES12♠♥A+2+6
+2.4Round 12ZIMM FRIENDS252♠♣10=+5
+2.3Round 5MARTENS172♥♥2+1+1
+2.1Round 8GILLIS183♥♠K=+0
+2.0Round 1TEXAN ACES64♠♦A+1+0
+1.8Round 1TEXAN ACES23NT♠3=+6
+1.8Round 2BERNAL174♥♠2+1+0
+1.7Round 5MARTENS202♠♦8+1+0
+1.6Round 4SPIDER TEAM83NT♣10-1+5
+1.5Round 5MARTENS164♠x♣A-3-12
+1.4Round 9LAVAZZA305♣x♦3-2+0
+1.4Round 11CZECH REPUBLIC164♠♣A-1+5
+1.4Round 11CZECH REPUBLIC171NT♠Q-1-2
+1.3Round 1TEXAN ACES53♥♦9=+0
+1.1Round 8GILLIS201NT♦6+1+5
+1.1Round 9LAVAZZA233♥♠7=-10
+1.0Round 6ALPHAVISION304♠♦K+1+0
+1.0Round 11CZECH REPUBLIC181NT♦10=-2
+0.9Round 8GILLIS173NT♥Q+2+0
+0.8Round 4SPIDER TEAM63♦♥K-2+0
+0.8Round 15LUPO VELOCE224♥♦K=+0
+0.7Round 4SPIDER TEAM23NT♦4-2+5
+0.7Round 5MARTENS112♥x♥3-2+3
+0.6Round 6ALPHAVISION243NT♠6=+1
+0.6Round 12ZIMM FRIENDS213NT♠4=+0
+0.6Round 15LUPO VELOCE213NT♦9+2+0
+0.6Round 15LUPO VELOCE294♠♠A=+1
+0.4Round 11CZECH REPUBLIC202♣♦2-3-5
+0.4Round 12ZIMM FRIENDS244♠♣3+1+1
+0.4Round 15LUPO VELOCE263♦♣8=+0
+0.3Round 11CZECH REPUBLIC154♠♦K+1+0
+0.3Round 12ZIMM FRIENDS283NT♥J+1-10
+0.1Round 15LUPO VELOCE273NT♥2+1+1
-0.0Round 3RUBENSTEIN242♠♠7=+0
-0.0Round 15LUPO VELOCE254♠♥3=+0
-0.1Round 3RUBENSTEIN223NT♦J+2+11
-0.1Round 4SPIDER TEAM74♠♣K+1+0
-0.1Round 11CZECH REPUBLIC143♦♠A=+0
-0.2Round 4SPIDER TEAM54NT♠6+2+11
-0.4Round 1TEXAN ACES93NT♥2+2-1
-0.5Round 8GILLIS164♥♣9=+1
-0.6Round 2BERNAL151NT♥2=-1
-0.6Round 9LAVAZZA254♥♥3+1+0
-0.9Round 5MARTENS132♠♣K+1+0
-0.9Round 5MARTENS144♠♦5=+1
-1.1Round 5MARTENS153NT♥4+1-11
-1.1Round 5MARTENS184♠♥A+2+12
-1.2Round 14AMALIA161NT♣3+2-1
-1.4Round 9LAVAZZA275♥x♠A-2+0
-1.5Round 6ALPHAVISION231NT♦4-1-5
-1.5Round 9LAVAZZA295♣♥3=+0
-1.8Round 11CZECH REPUBLIC114♠♥3+2-11
-2.0Round 1TEXAN ACES42♠♣K=-6
-2.1Round 6ALPHAVISION212♠♦J+1-1
-2.1Round 15LUPO VELOCE286♦♦7+1+13
-2.4Round 2BERNAL204♥♠10=+1
-2.4Round 6ALPHAVISION262♥♠7-1+0
-2.4Round 9LAVAZZA213NT♦5-1-5
-2.5Round 12ZIMM FRIENDS294♠♦A=+0
-2.5Round 14AMALIA131NT♥Q=+0
-2.6Round 5MARTENS193NT♥3=+1
-2.8Round 4SPIDER TEAM103NT♠A-1-6
-2.8Round 12ZIMM FRIENDS274♥♣A=+1
-2.9Round 4SPIDER TEAM92♠♣10-1-1
-3.1Round 3RUBENSTEIN253♥♥7=+0
-3.1Round 11CZECH REPUBLIC125♣♥A+1-11
-3.2Round 14AMALIA153NT♠Q-1-5
-3.4Round 8GILLIS143NT♣2-1-10
-3.7Round 14AMALIA184♥♥2-1-5
-4.0Round 6ALPHAVISION223NT♠2+1+0
-4.0Round 8GILLIS155♦♥2-1-10
-4.2Round 12ZIMM FRIENDS304♠♥9=-7
-4.4Round 15LUPO VELOCE244♠♥J-1-4
-4.6Round 9LAVAZZA283NT♣3+1+0
-5.1Round 12ZIMM FRIENDS233♠♥2+1-10
-5.7Round 12ZIMM FRIENDS223NT♠3-3-14
-5.9Round 6ALPHAVISION256NT♥10+1-13
-6.0Round 1TEXAN ACES105♣♥Q-1-13
-6.0Round 2BERNAL135♦♠7=+1
-6.0Round 4SPIDER TEAM13NT♠J+3-8
-6.1Round 2BERNAL144♠♣10=-11
-6.2Round 11CZECH REPUBLIC194♣♠A-1-6
-6.3Round 14AMALIA116♥♣10-3-11
-6.5Round 4SPIDER TEAM42♠♥3+2-10
-7.0Round 8GILLIS124♥x♦K-3+3
-7.4Round 11CZECH REPUBLIC134♥♠Q=-10
-8.0Round 14AMALIA173♠x♠2+2-7
-8.3Round 15LUPO VELOCE233NT♥A=-10
-8.8Round 2BERNAL112NTx♣A-3-9
-9.5Round 14AMALIA143NT♥6+1-7
-13.1Round 3RUBENSTEIN216NT♣7=-13
-13.3Round 14AMALIA206♠x♦J-3-16
-13.4Round 2BERNAL124♠x♣9+2-12