PROKOPOWICZ Marcel · POLAND U16

424rank
-125.0Butler · 80 bds
-1.56per board
±4.2swing
-0.97vs par /bd · #382/428
-1.62adjusted /bd
Butler per round: -11.8 -9.1 0.2 -31.9 4.9 -15.4 -32.5 -29.4by round

vs par split: bidding -0.70 · play -0.25

Strength of schedule: opponents averaged -0.06/bd (an easy draw) → opponent-adjusted -1.62/bd

Card play — on target: opening leads 75.0% #342 of 428 · declarer play 66.7% #355 of 428 · defence 87.5% #102 of 428

Bidding activity — not a pass: 39.5% #359 of 428 (85/215)

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (3)76.5% (17)
Declarer play0.0% (2)75.0% (16)
Defence88.9% (9)87.1% (31)

Opening leads by suit led: ♠ 66.7% (6) · ♥ 50.0% (2) · ♦ 66.7% (6) · ♣ 100.0% (6)

vs par by strain: NT -1.19 (16) · a suit -0.89 (63)

vs par by level: part-score -1.90 (30) · game -1.19 (42) · slam +4.57 (7)

By role: declaring -2.34/bd (-4.79 vs par · 39) · defending -0.80/bd (+2.80 vs par · 40)

By vulnerability: vulnerable -1.50/bd (-1.46 vs par · 39) · not vulnerable -1.62/bd (-0.51 vs par · 41)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.MrozF.Piedra – M.MedieroClosed10-11.8-1.18-4.00
Round 2B.MrozK.Jacobsen – M.LarsenOpen10-9.1-0.91+0.40
Round 3B.MrozA.Carletti – G.VignagaOpen10+0.2+0.02-0.80
Round 5J.MichalskiS.Bilde – M.BildeOpen10-31.9-3.19-4.10
Round 6B.MrozK.Kisielewski – M.JanikClosed10+4.9+0.49+1.50
Round 7B.MrozM.Lanzarotti – A.FranchiOpen10-15.4-1.54+1.10
Round 8B.MrozS.Bohnsack – S.BohnsackOpen10-32.5-3.25-1.30
Round 10J.MichalskiS.Li – H.KooOpen10-29.4-2.94-0.60

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
+11.4Round 3ITA WILD BOYS283NT♣Q-2+12
+10.7Round 6CKIS SKAWINA WISLA306♥♦A-1+11
+6.1Round 2DEAD BIRDS CLUB124♥♠J-3+10
+4.7Round 3ITA WILD BOYS273NT♦2-2+0
+4.3Round 6CKIS SKAWINA WISLA293NT♣K-2+8
+4.3Round 7BRENO54♠♦6-1+5
+3.9Round 1MSV44♥♠3=+0
+3.3Round 6CKIS SKAWINA WISLA253NT♥3+1+0
+3.1Round 5GUPTA205♣♠K=-13
+2.7Round 7BRENO34♥x♠K-1+6
+2.6Round 7BRENO62♠♦9-1+4
+2.5Round 1MSV53♠♦T+2+6
+2.2Round 2DEAD BIRDS CLUB162♦♣3-2+5
+2.1Round 1MSV34♥♠Q=-1
+1.5Round 2DEAD BIRDS CLUB194♠♦7+1+0
+1.4Round 3ITA WILD BOYS242♦♠Q=-1
+1.4Round 6CKIS SKAWINA WISLA233NT♣6+2+0
+1.3Round 2DEAD BIRDS CLUB172♠♦T=+5
+1.3Round 6CKIS SKAWINA WISLA214♥♠6-1+6
+1.1Round 3ITA WILD BOYS223NT♣2=+1
+1.0Round 8BOHNANZAR111NT♠2-1+2
+0.5Round 8BOHNANZAR184♥♠A+1-1
+0.4Round 5GUPTA134♠♣J+1+13
+0.4Round 5GUPTA193♥♠3=+1
+0.1Round 6CKIS SKAWINA WISLA282♥♣J=+0
-0.1Round 1MSV82♠♥8-1+1
-0.1Round 3ITA WILD BOYS233♦♥4+2+1
-0.1Round 10BANANAS62♠♦A+2-6
-0.2Round 2DEAD BIRDS CLUB145♣♠K-1-4
-0.2Round 10BANANAS85♣♥7-1+5
-0.6Round 7BRENO94♥♣4+1+0
-0.7Round 2DEAD BIRDS CLUB153♠♦6+1+10
-0.7Round 6CKIS SKAWINA WISLA223♥♣K+1+1
-0.8Round 3ITA WILD BOYS292♥♥3+1+0
-0.8Round 8BOHNANZAR191NT♥4=-1
-0.9Round 10BANANAS73♥♣K-1-6
-1.0Round 8BOHNANZAR133♦♦6-1+0
-1.2Round 7BRENO14♠♦J+1-1
-1.3Round 2DEAD BIRDS CLUB183♥♣5+1-6
-1.3Round 10BANANAS44♠♣3+1+0
-1.4Round 1MSV74♠♦T-2-8
-1.6Round 10BANANAS33NT♦T+3-1
-1.7Round 1MSV101NT♠J=+1
-1.8Round 3ITA WILD BOYS304♠♠2=+0
-1.8Round 5GUPTA166♥♠7+1-1
-2.0Round 1MSV6Pass-3
-2.1Round 5GUPTA172♠♥2=-5
-2.2Round 10BANANAS12♥♠7=+0
-2.3Round 7BRENO73♥x♠5-2-9
-2.3Round 8BOHNANZAR174♥♠A+1+10
-2.4Round 1MSV13♣♥3+3-13
-2.4Round 5GUPTA124♠♥9+1+0
-2.7Round 8BOHNANZAR203♥♠K-2-3
-2.8Round 10BANANAS54♠♦2+1+4
-3.1Round 7BRENO42♠♠J-3-5
-3.3Round 3ITA WILD BOYS264♥♦J=+1
-3.3Round 6CKIS SKAWINA WISLA243♠♦J-1-4
-3.4Round 5GUPTA142♠♦Q+1-6
-4.0Round 8BOHNANZAR124♠x♦A-2-3
-4.2Round 3ITA WILD BOYS214♥♠K-1-10
-4.2Round 10BANANAS95♣♣3=+0
-4.4Round 2DEAD BIRDS CLUB203NT♥Q-1-6
-4.8Round 5GUPTA113♠♣A-3-6
-5.5Round 7BRENO86♠♣A+1+11
-5.7Round 7BRENO105♥♣K-1-13
-5.8Round 1MSV95♥♣Q-1-11
-5.9Round 6CKIS SKAWINA WISLA273NT♣9=+0
-6.1Round 8BOHNANZAR156♦♦T=+2
-6.3Round 2DEAD BIRDS CLUB133NT♠5=-10
-6.3Round 6CKIS SKAWINA WISLA263NT♣T-2-7
-6.4Round 8BOHNANZAR143NT♠T-5-8
-6.6Round 7BRENO26♠♦K=+13
-6.9Round 1MSV24♥♣A-1-12
-7.3Round 2DEAD BIRDS CLUB114♠♣3=+0
-7.6Round 10BANANAS102♥♦3-3-9
-7.9Round 5GUPTA153NT♥8=-10
-8.2Round 3ITA WILD BOYS255♥♠T-1-12
-8.5Round 10BANANAS26♥x♠3=+7
-10.7Round 8BOHNANZAR166♥♦3-2-11
-13.4Round 5GUPTA183♦x♥J-4-14