PROKOPOWICZ Marcel · POLAND U21 A

152rank
-1.6Butler · 84 bds
-0.02per board
±5.2swing
+0.57vs par /bd · #52/241
-0.23adjusted /bd
Butler per round: 2.3 14.5 -14.2 -12.3 14.1 -6by round

vs par split: bidding +0.35 · play +0.23

Strength of schedule: opponents averaged -0.21/bd (an easy draw) → opponent-adjusted -0.23/bd

Card play — on target: opening leads 76.2% #147 of 241 · declarer play 82.6% #51 of 241 · defence 78.7% #225 of 241

Bidding activity — not a pass: 42.9% #111 of 241 (102/238)

Card play by contract type — on target
vs NTvs a suit
Opening leads50.0% (8)92.3% (13)
Declarer play90.0% (10)76.9% (13)
Defence76.5% (17)80.0% (30)

Opening leads by suit led: ♠ 71.4% (7) · ♥ 60.0% (5) · ♦ 100.0% (6) · ♣ 66.7% (3)

vs par by strain: NT +2.16 (31) · a suit -0.36 (53)

vs par by level: part-score -1.22 (18) · game +1.28 (57) · slam -0.33 (9)

By role: declaring -0.65/bd (-3.30 vs par · 37) · defending +0.47/bd (+3.62 vs par · 47)

By vulnerability: vulnerable -0.83/bd (+0.33 vs par · 42) · not vulnerable +0.79/bd (+0.81 vs par · 42)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1J.MichalskiG.Rus – M.McdonaldOpen14+2.3+0.16-0.86
Round 3J.MichalskiS.Czech – P.SzymonikOpen14+14.5+1.04+1.14
Round 4J.MichalskiS.Grabala – J.LuczeczkoClosed14-14.2-1.01+0.36
Round 6J.MichalskiW.Wang – F.KolesnikOpen14-12.3-0.88+1.57
Round 7J.MichalskiC.Korkmaz – I.OzcanClosed14+14.1+1.01+2.00
Round 8J.MichalskiC.Bakke – B.BrogelandClosed14-6.0-0.43-0.79

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
+15.5Round 4GDANSK216♥♠K-4+18
+12.4Round 7KARTALITE73NT♠8+1+13
+12.3Round 7KARTALITE115♦♥T-1+14
+9.0Round 4GDANSK285♦♠Q-5+8
+8.7Round 1MCDONALD53NTx♣Q-2+3
+8.0Round 3PLEASE HELP133NT♣J-2+17
+7.6Round 3PLEASE HELP123NT♣K-2+11
+6.2Round 7KARTALITE123NT♥2-3+10
+6.1Round 1MCDONALD63NT♠6+3+3
+5.5Round 1MCDONALD113NT♦5+3+2
+4.5Round 4GDANSK203♥♣3-2+9
+4.5Round 6ZHANG235♦♥6+1+13
+4.2Round 3PLEASE HELP44♥♦8-3+9
+4.2Round 8GILLIS283NT♦5=+0
+4.1Round 3PLEASE HELP144♥x♠4-1+5
+3.9Round 6ZHANG252♣♥A+2+1
+3.5Round 8GILLIS153NT♦3=+0
+3.3Round 7KARTALITE35♦x♣3-2+0
+3.3Round 8GILLIS235♣♦4-3+9
+2.9Round 8GILLIS185♦♠3=+0
+2.8Round 1MCDONALD93NT♠J-1+10
+2.6Round 3PLEASE HELP85♠♦J-1+4
+2.0Round 8GILLIS262NT♠2+2+10
+1.8Round 1MCDONALD124♦♥2=+0
+1.8Round 3PLEASE HELP32♣x♥A-2+2
+1.7Round 1MCDONALD143NT♣Q+1+0
+1.7Round 6ZHANG156♠♥6+1+13
+1.6Round 6ZHANG183NT♠T=+5
+1.4Round 1MCDONALD11♦♥J+2+1
+1.2Round 6ZHANG204♥♠5+1+0
+1.2Round 6ZHANG264♥♣5+1+0
+1.0Round 4GDANSK254♠♣4-2-1
+1.0Round 8GILLIS213NT♠Q+2-10
+0.9Round 8GILLIS273♥♦7-2+1
+0.7Round 3PLEASE HELP54♠♥9-1+4
+0.7Round 8GILLIS166♠x♣A-2-5
+0.6Round 3PLEASE HELP103NT♥4+1+1
+0.6Round 4GDANSK164♥♠4+1+0
+0.6Round 7KARTALITE83NT♠5+2-10
+0.6Round 7KARTALITE94♠♣4+1+0
+0.4Round 3PLEASE HELP12NT♥2+1-6
+0.4Round 7KARTALITE23NT♠J-1+12
+0.4Round 8GILLIS194♠♦J+1+0
+0.3Round 1MCDONALD24♥♣3=-1
+0.2Round 1MCDONALD74♠♣A+1+0
+0.2Round 4GDANSK174♥♦J+2+1
+0.2Round 7KARTALITE13♥♦K-1-1
-0.0Round 3PLEASE HELP114♠♦K+1+0
-0.4Round 3PLEASE HELP24♠♣7+1-13
-0.6Round 7KARTALITE43NT♥2=+0
-0.7Round 1MCDONALD33♠♥9-1-2
-0.9Round 6ZHANG164♥♦6+1+0
-1.1Round 6ZHANG193NT♠Q+3+10
-1.2Round 7KARTALITE133NT♠Q-1+6
-1.4Round 4GDANSK223NT♣6+1+11
-1.4Round 7KARTALITE144♥♠T=-3
-1.6Round 8GILLIS201NT♠A-1+0
-1.9Round 6ZHANG273NT♥6=+0
-2.1Round 8GILLIS244♥♥5-1-5
-2.4Round 1MCDONALD85♠♣3+1-11
-2.5Round 1MCDONALD103NT♠T-1-1
-2.5Round 7KARTALITE104♦♠A=+0
-2.7Round 3PLEASE HELP93NT♥5+2+0
-2.7Round 6ZHANG173♥♠Q=-6
-2.8Round 4GDANSK184♦♣Q-1-8
-2.8Round 6ZHANG247♠♣K=+0
-3.4Round 3PLEASE HELP61NT♦K=-5
-4.1Round 6ZHANG212♦♥K=+1
-4.2Round 4GDANSK247♦♦2=+2
-4.3Round 7KARTALITE54♠♦9+1-1
-4.7Round 4GDANSK273NT♥A-2-6
-4.7Round 8GILLIS174♠♦Q=+0
-5.0Round 6ZHANG283♦x♠Q-3-8
-5.1Round 4GDANSK264♥♦6-2-13
-6.0Round 4GDANSK156♦♣7+1+13
-6.9Round 1MCDONALD43NT♠7+1-1
-6.9Round 8GILLIS224♠♦J=+0
-7.9Round 6ZHANG223NT♣2=-7
-9.0Round 3PLEASE HELP76♠♣Q+1-13
-9.4Round 4GDANSK234♥♠5-1-13
-9.6Round 8GILLIS251NT♠5-3-11
-11.4Round 4GDANSK196♦♠4-1-16
-11.9Round 7KARTALITE65♣♦4-1-12
-13.7Round 1MCDONALD137♥♣A-1-15