PIEDRA Fernando · PIEDRA

73rank
+78.2Butler · 150 bds
+0.52per board
±3.8swing
+0.65vs par /bd · #75/535
+0.77adjusted /bd
Butler per round: -0.1 -1.6 7 9.8 11.3 -10.8 31.6 6.5 7.5 1.2 -12.6 -11 20.4 15.9 3.1by round

vs par split: bidding +0.44 · play +0.21

Strength of schedule: opponents averaged +0.25/bd (a tough draw) → opponent-adjusted +0.77/bd

Card play — on target: opening leads 86.5% #56 of 534 · declarer play 89.5% #11 of 534 · defence 85.1% #293 of 535

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (10)88.9% (27)
Declarer play100.0% (10)85.7% (28)
Defence87.5% (24)83.7% (43)

Opening leads by suit led: ♠ 90.9% (11) · ♥ 100.0% (7) · ♦ 77.8% (9) · ♣ 80.0% (10)

vs par by strain: NT -0.08 (48) · a suit +1.00 (102)

vs par by level: part-score +0.97 (63) · game +0.51 (79) · slam -0.38 (8)

By role: declaring +0.84/bd (-0.77 vs par · 83) · defending +0.13/bd (+2.42 vs par · 67)

By vulnerability: vulnerable +0.72/bd (+0.83 vs par · 76) · not vulnerable +0.32/bd (+0.47 vs par · 74)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.IglaM.Claret – J.RocafortClosed10-0.1-0.01+1.70
Round 2B.IglaK.Jassem – M.MazurkiewiczOpen10-1.6-0.16+2.80
Round 3B.IglaG.Area – F.SarianClosed10+7.0+0.70+0.30
Round 4B.IglaR.Tewari – J.ShivdasaniOpen10+9.8+0.98+1.80
Round 5B.IglaL.Imamoglu – M.GundogduClosed10+11.3+1.13+1.20
Round 6B.IglaJ.Linde – C.SchwerdtClosed10-10.8-1.08+0.70
Round 7B.IglaN.Sver – M.PilipovicClosed10+31.6+3.16+2.90
Round 8B.IglaR.Angeleri – R.PoleschiClosed10+6.5+0.65+0.90
Round 9B.IglaD.Fischer – B.SaurerClosed10+7.5+0.75+0.10
Round 10B.IglaP.Buchen – T.BrownClosed10+1.2+0.12-1.90
Round 11B.IglaF.Multon – G.HelgemoClosed10-12.6-1.26-2.20
Round 12B.IglaJ.Bian – X.CaoClosed10-11.0-1.10-0.90
Round 13B.IglaJ.Hu – Y.ChenClosed10+20.4+2.04-0.10
Round 14B.IglaA.Majcher – R.MarksClosed10+15.9+1.59+1.20
Round 15B.IglaZ.Shi – C.JuClosed10+3.1+0.31+1.30

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
+11.3Round 7CROATIA25♦x♠5-2+12
+10.9Round 13ZHIYIJIA64♥x♦J-2+9
+9.7Round 13ZHIYIJIA37NT♥2=+0
+9.0Round 1LEOPARCK26♠♣2=+5
+7.1Round 15JINSHUO295♦♣A-1+12
+6.8Round 5NONAME174♠♥K=+3
+6.7Round 7CROATIA43NT♥2=+0
+6.5Round 8TENUKI175♣♦A=+0
+6.2Round 1LEOPARCK105♠♣K+1+10
+6.2Round 9KASIMIR232♥♠2-2+7
+5.9Round 11ZIMMERMANN164♥♦J+1+11
+5.8Round 7CROATIA74♥♠3-1+12
+5.6Round 13ZHIYIJIA74♥♠10-1+12
+5.4Round 7CROATIA103♦♣10-2+8
+5.4Round 12CHINA XHJT243♣♠A-2+11
+4.8Round 11ZIMMERMANN205♦♠2-1+6
+4.7Round 2MAZURKIEWICZ155♠x♣A-3+12
+4.7Round 4FORMIDABLES44♥♠2+2+1
+4.7Round 14POLAND UNIVERSITY183♠♠J=+1
+4.6Round 14POLAND UNIVERSITY113♥♠K=+6
+4.4Round 10AUSTRALIA SENIORS73♦♣8+1+1
+4.3Round 15JINSHUO231NT♠Q=+5
+4.2Round 3PROF RIMBUS212NT♦8=+10
+4.2Round 7CROATIA14♥♠Q=+8
+4.0Round 2MAZURKIEWICZ202♠♥2+1+7
+3.9Round 7CROATIA34♥x♣5-1+0
+3.8Round 7CROATIA97♣♣7=-2
+3.7Round 4FORMIDABLES34♠x♣6-1+6
+3.6Round 14POLAND UNIVERSITY203♦♠6-3+8
+3.2Round 13ZHIYIJIA53NT♥5=+3
+3.0Round 4FORMIDABLES12♠♦6+1+1
+3.0Round 10AUSTRALIA SENIORS53♠♦A=+0
+2.8Round 5NONAME182♠♥3=+0
+2.8Round 11ZIMMERMANN124♥♣Q+2+1
+2.6Round 3PROF RIMBUS293NT♥9+1-1
+2.6Round 9KASIMIR293♣♥Q+1+0
+2.6Round 11ZIMMERMANN151NT♠9-2+3
+2.3Round 8TENUKI114♦x♦6-2-3
+2.2Round 1LEOPARCK53NT♠4+2+2
+2.1Round 3PROF RIMBUS223♣♠A-2+0
+2.1Round 13ZHIYIJIA13♦♣A-1-4
+2.0Round 2MAZURKIEWICZ171NT♥8-2+0
+2.0Round 6GERMANY OPEN233NT♦3+1+0
+2.0Round 6GERMANY OPEN281NT♥10+1+1
+1.9Round 1LEOPARCK93♥♥7+1+9
+1.9Round 2MAZURKIEWICZ114♥♦K-1-2
+1.9Round 8TENUKI184♥♣A=-1
+1.6Round 3PROF RIMBUS254♣♦A+1+7
+1.6Round 9KASIMIR253NT♥7=+13
+1.4Round 6GERMANY OPEN274♠♦10+2+1
+1.4Round 12CHINA XHJT283NTx♥6-1+2
+1.4Round 15JINSHUO254♥♦K=-1
+1.3Round 4FORMIDABLES74♥♠7=+13
+1.3Round 13ZHIYIJIA45♠♦A=+0
+1.2Round 5NONAME114♥♠J+1+1
+1.2Round 7CROATIA62♦♥4+2+0
+1.2Round 12CHINA XHJT263NT♣3+2+1
+1.2Round 14POLAND UNIVERSITY122♠♦10+1+0
+1.2Round 14POLAND UNIVERSITY133♣♦5-2+2
+1.1Round 5NONAME143NT♥3-1+4
+1.1Round 11ZIMMERMANN133NT♠3=+0
+1.0Round 6GERMANY OPEN243NT♥3=-1
+1.0Round 8TENUKI203NT♠6+3-13
+1.0Round 11ZIMMERMANN182NT♦4=+0
+1.0Round 14POLAND UNIVERSITY144♥♣A-1+4
+1.0Round 14POLAND UNIVERSITY151NT♦A+1+0
+0.9Round 3PROF RIMBUS305♠♦3=+0
+0.9Round 9KASIMIR224♥♣Q=+1
+0.9Round 13ZHIYIJIA101NT♠4-1-1
+0.8Round 8TENUKI163♦♠A-2+11
+0.8Round 13ZHIYIJIA25♦♠Q+1-10
+0.8Round 15JINSHUO274♥♦10=-1
+0.7Round 5NONAME122♠♣J+1+0
+0.7Round 8TENUKI132♣♠K=+1
+0.7Round 10AUSTRALIA SENIORS31NT♦J=-11
+0.7Round 15JINSHUO214♠♣J+2+1
+0.6Round 2MAZURKIEWICZ143♣♦9-1+2
+0.6Round 4FORMIDABLES54♣♠Q-1-1
+0.6Round 5NONAME193♥♠A-1+2
+0.6Round 15JINSHUO241NT♥A-3+0
+0.5Round 8TENUKI143♠♣2-1+2
+0.5Round 9KASIMIR272♠♦Q+2+1
+0.5Round 12CHINA XHJT294♥♦5+1+0
+0.4Round 4FORMIDABLES103♥♦3-1+1
+0.4Round 10AUSTRALIA SENIORS23♥♠K+1-2
+0.4Round 10AUSTRALIA SENIORS63NT♦3=+3
+0.3Round 5NONAME203♠♥9-1+11
+0.3Round 6GERMANY OPEN253NT♦8-2+8
+0.3Round 10AUSTRALIA SENIORS83♦♣K+2-7
+0.3Round 15JINSHUO282♥x♥3-1+5
+0.2Round 4FORMIDABLES93NT♠2+1-1
+0.0Round 14POLAND UNIVERSITY162♠♥4-1-2
-0.1Round 3PROF RIMBUS244♠♦3=-1
-0.2Round 2MAZURKIEWICZ123NT♠4+1+1
-0.3Round 3PROF RIMBUS263NT♥10+1+0
-0.3Round 5NONAME133♠♥K+1+1
-0.3Round 12CHINA XHJT252♠♥3=+1
-0.4Round 9KASIMIR284♥♣5=+0
-0.5Round 1LEOPARCK45♦♠K+1+3
-0.5Round 10AUSTRALIA SENIORS101♠♦Q=+2
-0.6Round 9KASIMIR212♦♠7+2-10
-0.6Round 14POLAND UNIVERSITY194♥♣8+1-13
-0.7Round 4FORMIDABLES83NT♠J=+2
-0.7Round 9KASIMIR302♥♣4=+0
-0.7Round 10AUSTRALIA SENIORS92NT♠Q=+0
-0.7Round 12CHINA XHJT224♠♣A=+1
-0.8Round 4FORMIDABLES23♣♣3=+1
-0.8Round 14POLAND UNIVERSITY171NT♣10+3+6
-0.9Round 5NONAME164♠♣A-1-5
-0.9Round 6GERMANY OPEN292♥♠8=+1
-0.9Round 9KASIMIR263NT♥J-1-6
-0.9Round 12CHINA XHJT233NT♥8+2+0
-1.0Round 5NONAME155♣♥5-2-5
-1.2Round 3PROF RIMBUS286♠x♦Q-2+0
-1.2Round 12CHINA XHJT274♠♣Q-1-5
-1.3Round 3PROF RIMBUS233NT♥6+1-12
-1.5Round 3PROF RIMBUS273NT♠4=+0
-1.5Round 8TENUKI193♣♦10=+1
-1.6Round 1LEOPARCK33NT♠7+2-1
-1.7Round 1LEOPARCK83NT♦2=+0
-1.7Round 2MAZURKIEWICZ193NT♣J+1+1
-1.7Round 6GERMANY OPEN303♠♥Q-1-4
-1.7Round 9KASIMIR243NT♥6-2-5
-1.9Round 1LEOPARCK63NT♣2=+2
-2.0Round 2MAZURKIEWICZ136♦♣3=+0
-2.6Round 4FORMIDABLES64♠x♥5-1-5
-2.7Round 8TENUKI122♠♦6=+0
-2.7Round 10AUSTRALIA SENIORS44♠♥A-1-6
-2.7Round 15JINSHUO301NT♥2-1-3
-2.8Round 7CROATIA52♠♦5=+0
-3.0Round 8TENUKI156NT♠6+1+11
-3.3Round 1LEOPARCK12♠♦J+1-1
-3.5Round 12CHINA XHJT302♠♥5+2-6
-4.1Round 10AUSTRALIA SENIORS13NT♦2=+1
-4.3Round 11ZIMMERMANN112NT♥3-2-5
-4.4Round 6GERMANY OPEN264♥♠K=+13
-4.4Round 15JINSHUO263NT♠5=+1
-4.5Round 2MAZURKIEWICZ184♠♥4+2+9
-4.6Round 6GERMANY OPEN226NT♣4=+0
-5.0Round 15JINSHUO224♥x♣A-1-6
-5.3Round 13ZHIYIJIA94♦♥A=-1
-5.9Round 6GERMANY OPEN214♠x♣7-1-12
-6.3Round 11ZIMMERMANN175♦x♠K-2-9
-6.4Round 2MAZURKIEWICZ164♠♥A-1-2
-7.9Round 7CROATIA84♠x♦K-3-9
-8.8Round 13ZHIYIJIA84♠x♦8-3-9
-9.5Round 11ZIMMERMANN193NT♥3-1-12
-10.4Round 1LEOPARCK73NTx♠Q-2-12
-10.7Round 11ZIMMERMANN147♠♦2-1-17
-12.9Round 12CHINA XHJT212♠x♠3=-14