PSZCZOLA Jacek · MAHAFFEY

148rank
+47.0Butler · 130 bds
+0.36per board
±4.2swing
+0.64vs par /bd · #113/695
+0.48adjusted /bd
Butler per round: -29.6 0.6 -4.2 19 25.3 12.9 34.1 -8.9 -14.4 -2.4 24.5 -6.1 -3.8by round

vs par split: bidding +0.43 · play +0.21

Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted +0.48/bd

Card play — on target: opening leads 77.1% #453 of 694 · declarer play 72.2% #423 of 694 · defence 90.0% #87 of 695

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (12)78.3% (23)
Declarer play70.0% (10)73.1% (26)
Defence95.0% (20)88.0% (50)

Opening leads by suit led: ♠ 66.7% (9) · ♥ 70.0% (10) · ♦ 85.7% (7) · ♣ 88.9% (9)

vs par by strain: NT +1.36 (36) · a suit +0.36 (94)

vs par by level: part-score +0.76 (54) · game +0.07 (69) · slam +5.29 (7)

By role: declaring +1.06/bd (-1.35 vs par · 60) · defending -0.24/bd (+2.34 vs par · 70)

By vulnerability: vulnerable +0.48/bd (+0.38 vs par · 66) · not vulnerable +0.24/bd (+0.91 vs par · 64)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.KwiecienB.Daemen – R.Van Den BerghClosed10-29.6-2.96-3.60
Round 2M.KwiecienI.Van Ginneken – R.Van TilburgOpen10+0.6+0.06-0.80
Round 3M.KwiecienK.Mohiuddin – G.BilalClosed10-4.2-0.42-0.50
Round 6M.KwiecienP.Meijer – R.CabriClosed10+19.0+1.90+1.60
Round 7M.KwiecienR.Wijman – M.KoekenbierClosed10+25.3+2.53+4.50
Round 8M.KwiecienJ.Koelman – T.TenevClosed10+12.9+1.29+3.90
Round 9M.KwiecienS.De Muller – P.MathieuClosed10+34.1+3.41+3.60
Round 10M.KwiecienN.Van Der Gaast – M.MalysaClosed10-8.9-0.89-1.90
Round 11M.KwiecienF.Piedra – A.WildavskyClosed10-14.4-1.44-4.20
Round 12M.KwiecienR.Ritmeijer – R.BrantsmaClosed10-2.4-0.24+4.40
Round 13M.KwiecienZ.Mahmood – S.AukenClosed10+24.5+2.45+2.70
Round 14M.KwiecienP.Niedzielski – J.MakarukClosed10-6.1-0.61-1.90
Round 15M.KwiecienR.Hermans – H.DrenkelfordClosed10-3.8-0.38+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
+12.5Round 13SMIRNOV102♥x♦A=+15
+10.8Round 9FERLEMA233NTx♥10+1+8
+9.1Round 13SMIRNOV24♥♠3=+3
+8.5Round 7WIJMAN63NT♠10+1+8
+8.4Round 10NEP23NT♣6+2+1
+8.0Round 9FERLEMA273NT♦Q-1+8
+8.0Round 12ONSTEIN 2306♥♦K-1+14
+6.0Round 7WIJMAN86♠♥A=+0
+5.8Round 9FERLEMA213♠♥J-1+5
+5.7Round 2LEUSDEN165♥x♠K-1+7
+5.6Round 3BILAL232♠♠3+1+7
+5.4Round 2LEUSDEN204♦♥7=-9
+5.4Round 11PIEDRA116NT♥2=+0
+5.0Round 8JANTIEN185♥x♣A-4+4
+4.7Round 6RESPOND223NT♥3-3+11
+4.7Round 13SMIRNOV33NT♣3-2+7
+4.6Round 6RESPOND214♠♦5=+7
+4.6Round 7WIJMAN93♣♠J=+7
+4.6Round 12ONSTEIN 2283NT♥A-1+6
+4.4Round 2LEUSDEN172♥♦A=+6
+4.4Round 9FERLEMA264♥♦10-1+17
+4.4Round 14CONSUS RED165♦♥A+1+3
+4.3Round 8JANTIEN163NT♠Q-2+12
+4.1Round 10NEP32♦♦7-2+3
+4.0Round 6RESPOND252♦x♥9=+3
+3.9Round 6RESPOND294♠♥A=-1
+3.6Round 6RESPOND283♣♣2+1+1
+3.6Round 12ONSTEIN 2213♠x♠7-3+13
+3.4Round 11PIEDRA163♦♠10+2-7
+3.3Round 1STAR 113♦♣10=+0
+3.3Round 11PIEDRA184♠♣K=+3
+3.2Round 9FERLEMA254♥♣K-1+5
+3.2Round 10NEP42♠♣A+1+7
+3.1Round 12ONSTEIN 2296NT♠9+1+13
+2.8Round 7WIJMAN105♦♣J+1+17
+2.8Round 8JANTIEN173♠♥J-2+6
+2.5Round 6RESPOND261NT♥2+1+0
+2.4Round 6RESPOND241NT♥3+2+7
+2.4Round 15HET WITTE 1253♦♣3-2+11
+2.3Round 7WIJMAN42♠♦A-1+5
+2.2Round 13SMIRNOV13NT♥2+3+1
+2.0Round 13SMIRNOV93NT♦8=+13
+1.8Round 11PIEDRA123♦♥K=+7
+1.7Round 8JANTIEN144♥♦A-1+4
+1.6Round 3BILAL262NT♠K-3+4
+1.4Round 14CONSUS RED112♠♦A-2+0
+1.4Round 15HET WITTE 1214♥♣7=-1
+1.3Round 3BILAL213NT♥K=+0
+1.3Round 8JANTIEN134♥♦A=+3
+1.3Round 9FERLEMA224♥♦3+2+1
+1.1Round 8JANTIEN125♥x♣K-2+4
+1.0Round 2LEUSDEN183NT♠2-1+5
+1.0Round 8JANTIEN192♠♣10-1+5
+0.9Round 10NEP102♥♠J=+1
+0.8Round 3BILAL242♠♥7-1-2
+0.7Round 3BILAL304♦♣J-1-2
+0.7Round 10NEP13NT♠6+2+0
+0.6Round 1STAR 182♠♣7-1-2
+0.6Round 7WIJMAN12♠♣5+2+6
+0.6Round 9FERLEMA284♥♣K+2-12
+0.6Round 9FERLEMA302NT♠Q+1+6
+0.5Round 1STAR 163♣♠A+1-10
+0.5Round 7WIJMAN33NT♠8=+0
+0.5Round 7WIJMAN52♥♣5=+1
+0.5Round 15HET WITTE 1284♠♦Q+1+0
+0.2Round 7WIJMAN23NT♥6+2+1
+0.2Round 13SMIRNOV62♥♣10+2-6
+0.2Round 13SMIRNOV81NT♦4-3-6
+0.2Round 14CONSUS RED134♥♠Q+1-13
+0.2Round 14CONSUS RED153♥♠J-1+5
+0.2Round 15HET WITTE 1264♠♣J=+0
+0.1Round 2LEUSDEN144♠♣7-1+2
+0.1Round 3BILAL272♣♦Q+2+0
+0.1Round 14CONSUS RED194♠♥4+1+0
+0.1Round 15HET WITTE 1223NT♥8+1+0
-0.1Round 8JANTIEN112♣♥7=+2
-0.1Round 14CONSUS RED123♠♦A-1+2
-0.2Round 9FERLEMA293NT♠J=+2
-0.3Round 3BILAL292♠♠3-1+1
-0.3Round 14CONSUS RED143NT♦3=-11
-0.4Round 9FERLEMA244♠♠8-1-4
-0.4Round 11PIEDRA154♥♠Q=+0
-0.4Round 13SMIRNOV53NT♣4=+1
-0.5Round 8JANTIEN154♠♠5=-1
-0.7Round 7WIJMAN74♠♥K=+0
-1.0Round 2LEUSDEN123♥♥J=+0
-1.0Round 11PIEDRA204♠♣3+2-12
-1.0Round 15HET WITTE 1244♠♠4+1+0
-1.0Round 15HET WITTE 1294♠♣Q+1+0
-1.2Round 1STAR 153♣♠7=+0
-1.2Round 15HET WITTE 1274♠♥Q=+1
-1.5Round 1STAR 124♥♠3-1+2
-1.5Round 12ONSTEIN 2223♣♥2=+1
-1.5Round 12ONSTEIN 2263♦♣A+1+0
-1.5Round 12ONSTEIN 2274♥♥A+1+0
-1.7Round 6RESPOND234♥♥3+1+0
-1.7Round 13SMIRNOV72♠♠5+2+1
-1.8Round 1STAR 193NT♦9-1-5
-1.8Round 2LEUSDEN133NT♠2+2-13
-1.8Round 2LEUSDEN151NT♦Q+1+1
-1.8Round 3BILAL222♦♠J=+1
-2.1Round 1STAR 173NT♥5=+0
-2.1Round 6RESPOND273♠♣9-1-8
-2.2Round 15HET WITTE 1235♣♦7-1-6
-2.3Round 2LEUSDEN112♠♦10-1-4
-2.3Round 11PIEDRA134♥♦7+1+0
-2.4Round 14CONSUS RED176♠♦3=+10
-2.9Round 6RESPOND303♦♠6-1-4
-2.9Round 10NEP93♣♠Q=+1
-3.0Round 15HET WITTE 1303NT♣2+2+0
-3.7Round 8JANTIEN204♥♣9=+0
-3.7Round 14CONSUS RED203NT♣4-1-12
-4.0Round 10NEP62♠♥A+1-6
-4.3Round 13SMIRNOV41NT♠3-2-2
-4.7Round 3BILAL252♠♦2+1-7
-4.9Round 12ONSTEIN 2233NT♣3=+1
-5.4Round 10NEP72♠♦4-1-6
-5.4Round 12ONSTEIN 2246♥♦K=+0
-5.9Round 14CONSUS RED185♣♠A=-3
-6.0Round 10NEP84♠♣6-2-11
-6.9Round 1STAR 133♣♥A+2-10
-6.9Round 12ONSTEIN 2253NTx♠3=-4
-7.1Round 11PIEDRA144♠♦K-2-11
-7.5Round 3BILAL284♠x♦2+1-7
-7.6Round 11PIEDRA174♥♣9=-8
-7.9Round 10NEP52♦♣K=-9
-9.1Round 2LEUSDEN194♠♦K=-3
-9.5Round 1STAR 1104♠♠3+2-11
-9.9Round 11PIEDRA193NT♣J-1-14
-11.0Round 1STAR 146♥♠3=+0