PIEDRA Fernando · MSV

404rank
-8.5Butler · 112 bds
-0.08per board
±4.4swing
+0.21vs par /bd · #263/675
-0.03adjusted /bd
Butler per round: 3.7 -4.3 12.4 -24.4 14.9 -11.5 -14.7 15.4by round

vs par split: bidding +0.32 · play -0.11

Strength of schedule: opponents averaged +0.04/bd (an average draw) → opponent-adjusted -0.03/bd

Card play — on target: opening leads 76.9% #291 of 675 · declarer play 77.1% #316 of 675 · defence 86.3% #323 of 675

Bidding activity — not a pass: 41.2% #451 of 675 (126/306)

Card play by contract type — on target
vs NTvs a suit
Opening leads72.7% (11)80.0% (15)
Declarer play66.7% (12)82.6% (23)
Defence81.0% (21)90.0% (30)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 83.3% (6) · ♦ 62.5% (8) · ♣ 83.3% (6)

vs par by strain: NT +0.38 (42) · a suit +0.11 (70)

vs par by level: part-score -0.51 (37) · game +0.52 (68) · slam +1.14 (7)

By role: declaring +0.01/bd (-1.93 vs par · 61) · defending -0.18/bd (+2.78 vs par · 51)

By vulnerability: vulnerable -0.46/bd (+0.59 vs par · 56) · not vulnerable +0.31/bd (-0.16 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1L.LantaronM.Giza – T.LatosClosed14+3.7+0.26-0.57
Round 2A.WasikE.Jepsen – A.Plejdrup-MeisterClosed14-4.3-0.31+2.29
Round 3L.LantaronB.Nab – V.KiljanClosed14+12.4+0.89-0.07
Round 4L.LantaronP.Gruenke – D.Von ArnimClosed14-24.4-1.74-1.29
Round 5L.LantaronJ.Chen – J.ZhangClosed14+14.9+1.06+2.50
Round 6L.LantaronM.Sun – M.ShenClosed14-11.5-0.82+0.00
Round 7L.LantaronA.Elselehdar – M.HeshmatClosed14-14.7-1.05-0.86
Round 8L.LantaronG.Akar – C.SekerClosed14+15.4+1.10-0.29

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
+11.0Round 4DANGERS AND A HAZARD184♥♦4-2+16
+9.5Round 3TEAMNL OPEN115♦♦2+2+14
+9.3Round 5CHINA OPEN 2134♠♥2=+10
+7.6Round 6CHINA EVERTRUST185♥♦2-1+14
+6.9Round 8KARTALITE273NT♥J+1+4
+6.4Round 1TELEDIAGNOSIS53NT♦5+1+7
+6.0Round 2GUPTA194♥♦7-2+11
+5.6Round 5CHINA OPEN 223NT♣Q-1+10
+5.5Round 5CHINA OPEN 294NT♠7-4+6
+5.0Round 1TELEDIAGNOSIS133NT♠5=+10
+4.8Round 4DANGERS AND A HAZARD161NT♥5+3+6
+4.5Round 2GUPTA206♥♣6-1+13
+4.5Round 2GUPTA266♣♦J-2+13
+4.0Round 3TEAMNL OPEN44♥♠A-1+6
+3.8Round 3TEAMNL OPEN72NT♦T-1+5
+3.7Round 3TEAMNL OPEN132♥♠K+1+1
+3.6Round 4DANGERS AND A HAZARD251NT♥A=+6
+3.6Round 5CHINA OPEN 254♥x♣7-1+0
+3.5Round 8KARTALITE182NT♣T-2+5
+3.4Round 6CHINA EVERTRUST252♥♣J+1+0
+3.4Round 7RATRUT44♠♣A-1+12
+3.3Round 1TELEDIAGNOSIS23♠♦A-1+12
+3.3Round 2GUPTA274♠♥5-1+5
+3.3Round 6CHINA EVERTRUST243NT♦4+1+1
+3.1Round 7RATRUT115♣♠3-1+5
+3.1Round 8KARTALITE286♠♥A+1+11
+3.0Round 2GUPTA173♦♣K+2+7
+3.0Round 8KARTALITE214♠♥7=+3
+2.8Round 3TEAMNL OPEN53NT♠3=-1
+2.8Round 7RATRUT74♠♥4-2+10
+2.7Round 8KARTALITE204♠♣7+1+0
+2.6Round 1TELEDIAGNOSIS83♠♥4=+0
+2.6Round 3TEAMNL OPEN93NT♣T-3+10
+2.6Round 5CHINA OPEN 2113NT♥3+1+1
+2.5Round 1TELEDIAGNOSIS142♠♦5=+0
+2.3Round 4DANGERS AND A HAZARD222♠♣4-1+4
+2.2Round 7RATRUT83NT♣6-1+5
+1.9Round 1TELEDIAGNOSIS124♥♠9=+0
+1.9Round 7RATRUT144♥♠2=-1
+1.9Round 8KARTALITE193♦♥J+1+0
+1.7Round 5CHINA OPEN 2101NT♥J+1+6
+1.5Round 5CHINA OPEN 273NT♠2+3+13
+1.4Round 3TEAMNL OPEN144♥♦A=+3
+1.4Round 5CHINA OPEN 213NT♦8+1+0
+1.3Round 5CHINA OPEN 265♦♣K=-2
+1.3Round 8KARTALITE251NT♦8-1+0
+1.2Round 1TELEDIAGNOSIS46♠♥2=-13
+1.2Round 7RATRUT34♠♦J-1-2
+1.0Round 1TELEDIAGNOSIS102♥♦J+1+10
+1.0Round 1TELEDIAGNOSIS114♠♣J=-1
+1.0Round 3TEAMNL OPEN13NT♣Q=+0
+1.0Round 4DANGERS AND A HAZARD153NT♠J=-1
+1.0Round 8KARTALITE244♥♣5+1+0
+0.7Round 2GUPTA254♥♠4=+1
+0.7Round 6CHINA EVERTRUST223NT♥6+2+0
+0.7Round 8KARTALITE174♠♣T+1-8
+0.5Round 2GUPTA283NT♥2+1+0
+0.3Round 2GUPTA153NT♠2=+1
+0.3Round 7RATRUT52♠♥3+1+0
+0.2Round 5CHINA OPEN 2142♦x♠K-2-3
+0.2Round 6CHINA EVERTRUST233NT♣K+1+1
+0.2Round 8KARTALITE232♠♣J+2+1
-0.0Round 8KARTALITE152♠♦3=+0
-0.1Round 4DANGERS AND A HAZARD202NT♣Q=+0
-0.2Round 3TEAMNL OPEN34♥♠A+1-11
-0.2Round 7RATRUT14♠♥2+1+0
-0.3Round 2GUPTA161NT♦8=-5
-0.3Round 3TEAMNL OPEN83♠♣K-1+2
-0.3Round 6CHINA EVERTRUST193NT♠6+1+0
-0.4Round 5CHINA OPEN 234♥♣9=-1
-0.8Round 8KARTALITE164♥♣A+2-11
-0.9Round 3TEAMNL OPEN65♦x♦3-2+0
-0.9Round 6CHINA EVERTRUST263♣♦7+1-9
-1.0Round 3TEAMNL OPEN101NT♠A-2-9
-1.1Round 7RATRUT92NT♣K-1-5
-1.4Round 4DANGERS AND A HAZARD284♠♥4+1+0
-1.6Round 2GUPTA181NT♦9=+0
-1.8Round 1TELEDIAGNOSIS13NT♠2-2-5
-1.8Round 6CHINA EVERTRUST202♠♥8+1+10
-1.9Round 2GUPTA241NT♠2-1-4
-1.9Round 6CHINA EVERTRUST215♣♠2-2-2
-2.1Round 6CHINA EVERTRUST275♦♥T+1-11
-2.1Round 7RATRUT123NT♠4=+1
-2.1Round 8KARTALITE224♠♦9=+0
-2.5Round 4DANGERS AND A HAZARD212♠♠5=-5
-3.1Round 1TELEDIAGNOSIS32NT♠8=-1
-3.1Round 7RATRUT102♦♣J+2-11
-3.3Round 7RATRUT133♥♣A=+0
-3.5Round 6CHINA EVERTRUST281NT♠Q=-5
-3.7Round 2GUPTA214♥♠5-1-5
-4.1Round 1TELEDIAGNOSIS74♠♥4-1-12
-4.3Round 1TELEDIAGNOSIS94♠x♥A-1-9
-4.3Round 4DANGERS AND A HAZARD263♣♥4+1-10
-4.4Round 3TEAMNL OPEN24♠♦4-2-12
-4.5Round 5CHINA OPEN 284♥♠Q-1-5
-4.7Round 6CHINA EVERTRUST164♥♠3+1+4
-5.4Round 4DANGERS AND A HAZARD193NT♣9-1-12
-5.4Round 6CHINA EVERTRUST155♦x♣A-1+0
-6.0Round 8KARTALITE263♥♠K+3-9
-6.1Round 5CHINA OPEN 243NT♣2=+1
-6.1Round 6CHINA EVERTRUST175♦♠A=-3
-6.8Round 5CHINA OPEN 2123NT♥2+1-1
-7.2Round 4DANGERS AND A HAZARD176♦♥6-2-11
-7.5Round 2GUPTA227♣♦3=+2
-7.5Round 4DANGERS AND A HAZARD244♠♥5=+0
-7.9Round 1TELEDIAGNOSIS63♥♠3=-6
-8.4Round 4DANGERS AND A HAZARD233NT♦J=+0
-9.1Round 7RATRUT23NT♠T-2-14
-9.6Round 3TEAMNL OPEN123NT♥Q+2-9
-10.3Round 4DANGERS AND A HAZARD273NT♠J-2-11
-10.7Round 7RATRUT62♠x♥Q-3-12
-12.1Round 2GUPTA236♦♥6=-7