DANEK Petr · CZECHIA U23

230rank
-6.6Butler · 140 bds
-0.05per board
±4.7swing
-0.15vs par /bd · #230/382
-0.22adjusted /bd
Butler per round: 2.3 16.8 -8.8 -4.5 -22.3 0.4 -27.4 0.1 26.1 10.7by round

vs par split: bidding -0.23 · play +0.10

Strength of schedule: opponents averaged -0.17/bd (an easy draw) → opponent-adjusted -0.22/bd

Card play — on target: opening leads 79.3% #193 of 382 · declarer play 57.1% #368 of 382 · defence 89.2% #134 of 382

Bidding activity — not a pass: 40.8% #267 of 382 (166/407)

Card play by contract type — on target
vs NTvs a suit
Opening leads87.5% (8)76.2% (21)
Declarer play46.2% (13)66.7% (15)
Defence93.3% (15)88.0% (50)

Opening leads by suit led: ♠ 100.0% (6) · ♥ 62.5% (8) · ♦ 66.7% (6) · ♣ 88.9% (9)

vs par by strain: NT -1.35 (43) · a suit +0.42 (96)

vs par by level: part-score +0.62 (47) · game -0.80 (83) · slam +2.11 (9)

By role: declaring -0.44/bd (-2.80 vs par · 74) · defending +0.38/bd (+2.91 vs par · 65)

By vulnerability: vulnerable +0.19/bd (-0.61 vs par · 70) · not vulnerable -0.29/bd (+0.31 vs par · 70)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.LysekW.Bak – P.MarcinowskiClosed14+2.3+0.16-1.57
Round 3M.LysekJ.Kozyczkowski – L.ComanescuClosed14+16.8+1.20+1.71
Round 4E.KonstackaG.Hampson – W.WangClosed14-8.8-0.63+0.79
Round 5E.KonstackaL.Trendak – G.Darkiewicz-MoniuszkoClosed14-4.5-0.32-0.64
Round 6E.KonstackaV.Kolding – F.PoulsenClosed14-22.3-1.59-0.93
Round 7E.KonstackaA.Twardowski – D.BoguckiOpen14+0.4+0.03-1.64
Round 8E.KonstackaJ.Chiang – H.KooOpen14-27.4-1.96-0.07
Round 9E.KonstackaA.Kowalski – C.BortolettiOpen14+0.1+0.01-2.14
Round 11E.KonstackaS.Atisen – B.McguireOpen14+26.1+1.86+2.29
Round 12E.KonstackaL.Mingot – L.LantaronOpen14+10.7+0.76+0.71

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
+12.1Round 11FOURSQUIRE96♥♠6-1+11
+10.9Round 11FOURSQUIRE15♣x♠K=+10
+9.4Round 1PROMAX53NT♠5=+10
+8.5Round 12VICUNA204♠♦A-2+8
+8.3Round 5KROWKA34♠♣7=+7
+8.2Round 6TO BID OR NOT TO BID233NT♠Q-1+15
+8.0Round 6TO BID OR NOT TO BID273NT♥A+1+7
+7.1Round 3ASCHAFFENBURG125♠♦J+1+16
+6.5Round 1PROMAX14♣x♦Q-2+5
+6.2Round 3ASCHAFFENBURG26♠♦Q-1+17
+6.2Round 9BORTOLETTI24♠♥A=-5
+6.1Round 6TO BID OR NOT TO BID193♠x♦6-3+9
+5.8Round 9BORTOLETTI136NT♥8=-13
+5.6Round 8BANANA283♠♣J+3+15
+5.4Round 7TRADYCJA71NT♠3-3+5
+5.4Round 7TRADYCJA104♥♠A=+10
+5.4Round 8BANANA203NT♣2+1+1
+5.2Round 3ASCHAFFENBURG114♥♠5=+3
+5.1Round 9BORTOLETTI44♥♠4-1+6
+4.9Round 11FOURSQUIRE53NT♥2=+0
+4.7Round 3ASCHAFFENBURG33NT♠Q-1+5
+4.7Round 5KROWKA55♠♥A=-4
+4.6Round 7TRADYCJA143♥♠2+1+6
+4.3Round 5KROWKA43NT♠K-3+9
+4.1Round 7TRADYCJA51NT♥5=+5
+4.1Round 12VICUNA285♣x♠2-1+5
+4.0Round 9BORTOLETTI81NT♣3-1+5
+3.9Round 1PROMAX106♥♦A-1+12
+3.9Round 3ASCHAFFENBURG144♥x♣Q-1+6
+3.8Round 11FOURSQUIRE132♠♥6-1-1
+3.3Round 3ASCHAFFENBURG53NT♦3+3+17
+3.0Round 11FOURSQUIRE123♥♣5+1+8
+3.0Round 12VICUNA223♥♠2-2+0
+2.8Round 5KROWKA22♥♠T-1+4
+2.7Round 12VICUNA153♥♦K=+1
+2.6Round 7TRADYCJA132♣♠7+1+6
+2.5Round 4ZHANG204♠♠2-2+8
+2.5Round 8BANANA224♥♠3-1+12
+2.4Round 8BANANA235♠x♥A-2+14
+2.4Round 12VICUNA194♣♥A=+1
+2.3Round 11FOURSQUIRE113♥♣K+1-6
+2.2Round 4ZHANG224♠♠J+2+11
+2.2Round 11FOURSQUIRE63NT♠J=+10
+1.9Round 11FOURSQUIRE104♥♣6+2-12
+1.8Round 3ASCHAFFENBURG134♠♥A=+9
+1.8Round 4ZHANG233NT♥2+2+1
+1.8Round 5KROWKA104♥♣A-1+6
+1.5Round 4ZHANG153NT♦5=-1
+1.4Round 7TRADYCJA16NT♥8+1+1
+1.3Round 1PROMAX44♠♥5+1+0
+1.3Round 4ZHANG182♠♠2+1+0
+1.3Round 4ZHANG252♠♥3=+0
+1.2Round 3ASCHAFFENBURG9Pass-3
+1.2Round 7TRADYCJA114♠♥K=-1
+1.1Round 4ZHANG244♥♠4+1+0
+0.9Round 1PROMAX134♠♣3+2-13
+0.9Round 7TRADYCJA84♥♠3+1-11
+0.9Round 8BANANA193NT♥T=-1
+0.9Round 12VICUNA234♥♦K+1+0
+0.8Round 1PROMAX24♥♣K=+3
+0.8Round 12VICUNA213NT♦3=+0
+0.6Round 1PROMAX114♥♠A-2-5
+0.6Round 9BORTOLETTI101NT♠3+1+10
+0.5Round 3ASCHAFFENBURG16NT♠8=+0
+0.4Round 1PROMAX144♠♣3+1+0
+0.4Round 12VICUNA184♠♣A-2+7
+0.2Round 6TO BID OR NOT TO BID154♥♣2=-1
+0.2Round 6TO BID OR NOT TO BID253♦♥T+1-1
+0.1Round 7TRADYCJA24♠♣A=-1
+0.1Round 9BORTOLETTI13NT♥2+2+0
+0.0Round 3ASCHAFFENBURG105♣♥K+1-13
+0.0Round 5KROWKA124♠♥A-1+5
-0.0Round 12VICUNA251NT♥2+1+0
-0.1Round 4ZHANG193NT♠J+1-1
-0.2Round 5KROWKA93NT♥5+1-1
-0.2Round 6TO BID OR NOT TO BID282♠♥6-1+2
-0.3Round 6TO BID OR NOT TO BID224♠♥7+1-17
-0.3Round 8BANANA271NT♦3-1+2
-0.4Round 1PROMAX33♠♦K-1+0
-0.4Round 5KROWKA111NT♠4+1-7
-0.4Round 7TRADYCJA33♠♣Q=-6
-0.4Round 9BORTOLETTI144♠♣6+1+0
-0.4Round 12VICUNA174♠♠6=+0
-0.5Round 9BORTOLETTI61NT♦8+1+0
-0.6Round 11FOURSQUIRE33♦♥3+1+7
-0.7Round 3ASCHAFFENBURG44♠♥8+1+0
-0.7Round 8BANANA264♠♦K=+1
-0.9Round 5KROWKA12♠♦3+1+0
-0.9Round 12VICUNA272♠♦5-1+1
-1.5Round 5KROWKA72♥♦A=-1
-1.5Round 8BANANA173♣♥K+1+0
-1.6Round 1PROMAX74NT♦8+2-13
-1.6Round 4ZHANG274♥♣T=+0
-1.6Round 5KROWKA142♠♠6-2+7
-1.6Round 8BANANA241NT♥9+1+0
-1.8Round 4ZHANG262♠♣Q+1+10
-1.8Round 12VICUNA163NT♥5+2+0
-1.9Round 7TRADYCJA62♥♣Q-1+0
-1.9Round 11FOURSQUIRE72♥x♣K-2-4
-2.1Round 6TO BID OR NOT TO BID242♠♥K+1-6
-2.1Round 9BORTOLETTI54♠♣K=+0
-2.2Round 9BORTOLETTI72NT♥5-1-5
-2.2Round 9BORTOLETTI113NT♦4=-6
-2.3Round 6TO BID OR NOT TO BID215♦x♣7-2+0
-2.5Round 1PROMAX94♠♣A+1+0
-2.6Round 3ASCHAFFENBURG73NT♥5+3-17
-2.6Round 11FOURSQUIRE84♥♣K=+0
-2.8Round 9BORTOLETTI121♥♣7+2-11
-2.8Round 11FOURSQUIRE23♠♥J-1+2
-3.0Round 4ZHANG174♥♦5-2-6
-3.3Round 4ZHANG164♥♦Q-1-6
-3.3Round 8BANANA214♥♦3+1-1
-3.4Round 1PROMAX65♦♥A=+1
-3.4Round 11FOURSQUIRE142♦♣Q+3+7
-3.4Round 12VICUNA262♠♥7=-6
-3.5Round 9BORTOLETTI32♦♦7+1+0
-3.7Round 11FOURSQUIRE43NT♠J=+0
-3.8Round 3ASCHAFFENBURG83NT♣K-3-7
-4.0Round 6TO BID OR NOT TO BID264♥♠2+2-1
-4.1Round 4ZHANG284♠♥Q-2+5
-4.5Round 7TRADYCJA93NT♥3-3-9
-4.9Round 5KROWKA61NT♦3+3-7
-4.9Round 8BANANA252NT♦6-2-6
-5.2Round 1PROMAX124♥♥7-2-13
-5.2Round 5KROWKA83NT♣5-1-10
-5.4Round 8BANANA156♦♥A=-9
-5.5Round 6TO BID OR NOT TO BID165♥♠A-2-7
-5.6Round 12VICUNA244♥x♥5=-7
-6.0Round 7TRADYCJA124♥♣A-1-11
-6.6Round 4ZHANG213NT♣5-1-10
-7.4Round 6TO BID OR NOT TO BID184♠♦A-3-11
-8.0Round 9BORTOLETTI96♥♥T=-11
-8.4Round 1PROMAX85♠x♣6-1-9
-9.3Round 8BANANA164♥x♦K=-12
-10.0Round 3ASCHAFFENBURG62♦x♦8-3-9
-10.3Round 6TO BID OR NOT TO BID176♥♣Q=+11
-11.7Round 5KROWKA133NT♠5-3-17
-12.5Round 7TRADYCJA43NT♦Q+4-17
-12.9Round 6TO BID OR NOT TO BID201NTxx♠7=-13
-17.2Round 8BANANA185♠x♥J-6-17