DE RIDDER Johan · NERAZZURRI

404rank
-37.4Butler · 100 bds
-0.37per board
±4.5swing
-0.41vs par /bd · #381/552
-0.42adjusted /bd
Butler per round: 4.4 -17.1 -5.6 14.2 4.6 -0.2 -20.5 9.7 -23.2 -3.7by round

vs par split: bidding -0.24 · play -0.17

Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted -0.42/bd

Card play — on target: opening leads 92.0% #55 of 551 · declarer play 80.8% #117 of 551 · defence 81.2% #384 of 552

Card play by contract type — on target
vs NTvs a suit
Opening leads80.0% (10)100.0% (15)
Declarer play80.0% (10)81.2% (16)
Defence68.8% (16)87.5% (32)

Opening leads by suit led: ♠ 83.3% (6) · ♥ 87.5% (8) · ♦ 100.0% (8) · ♣ 100.0% (3)

vs par by strain: NT +0.81 (31) · a suit -0.96 (69)

vs par by level: part-score -0.76 (37) · game -0.87 (53) · slam +3.30 (10)

By role: declaring -0.76/bd (-3.08 vs par · 52) · defending +0.04/bd (+2.48 vs par · 48)

By vulnerability: vulnerable -0.43/bd (-0.12 vs par · 50) · not vulnerable -0.32/bd (-0.70 vs par · 50)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1T.CornelisS.Wijs – B.MullerClosed10+4.4+0.44-0.50
Round 2T.CornelisG.Venkatesh – K.AnklesariaClosed10-17.1-1.71-0.50
Round 3T.CornelisR.Jagroop – R.BrantsmaClosed10-5.6-0.56-3.00
Round 4T.CornelisN.Delimpaltadakis – Y.PapakyriakopoulosClosed10+14.2+1.42+1.30
Round 5T.CornelisA.Zobu – V.AronovClosed10+4.6+0.46+0.30
Round 6T.CornelisS.Ivanov – Z.ZaharievClosed10-0.2-0.02+0.90
Round 7T.CornelisV.Carcassonne-Labaere – A.LabaereClosed10-20.5-2.05-2.30
Round 8T.CornelisW.Klapper – R.SakowiczClosed10+9.7+0.97+0.40
Round 9T.CornelisN.Senior – S.SkorchevClosed10-23.2-2.32-3.10
Round 10T.CornelisG.Hop – A.HelmichClosed10-3.7-0.37+2.40

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
+14.2Round 9PENFOLD226NT♣4-4+15
+7.8Round 3BRICKLAYER275♦♥K=+0
+7.6Round 4GREECE104♠x♥K-2+8
+7.6Round 5K4195♥x♠7-3-3
+6.4Round 5K4123NT♣Q=+3
+5.9Round 4GREECE54♥♠7+2+11
+5.5Round 10JOLLY LOMBARD46♦♥J-1+12
+5.4Round 1ONSTEIN ACES26♦♣2=-13
+5.1Round 8MPE LATTERIA TINIS193NT♦6+1+0
+4.9Round 9PENFOLD276♦♣A=+3
+4.8Round 6OPATIJA261NT♦3-2+7
+4.4Round 7TREBOLES54♠♣A=+7
+4.1Round 10JOLLY LOMBARD93NT♥10+1+1
+3.9Round 5K4183NT♦7-1+10
+3.7Round 6OPATIJA213NT♥A-1+4
+3.6Round 6OPATIJA253♦♠A=+6
+3.5Round 1ONSTEIN ACES93NT♠9-1+12
+3.5Round 6OPATIJA226♣♥K-2+7
+3.4Round 2TEXAN ACES152NT♣2-1+5
+3.4Round 7TREBOLES64♥♦10=+0
+3.3Round 4GREECE43NT♥5=+0
+3.2Round 4GREECE84♥♦J-1+4
+3.1Round 3BRICKLAYER242♣♦Q-1+5
+3.1Round 10JOLLY LOMBARD13NT♠9-2+5
+2.9Round 1ONSTEIN ACES82♠♦6-1-2
+2.6Round 3BRICKLAYER235♦♥3=-1
+2.4Round 2TEXAN ACES132♠♣3-3+9
+2.2Round 1ONSTEIN ACES103♣♣2=+0
+2.2Round 5K4133NT♥6+2+0
+2.2Round 7TREBOLES21NT♦2+2+2
+2.1Round 8MPE LATTERIA TINIS164♥♠J+1+1
+1.9Round 8MPE LATTERIA TINIS133♠♦K+1+8
+1.8Round 6OPATIJA272♠♠7+1+0
+1.8Round 10JOLLY LOMBARD23NT♠K=+11
+1.5Round 6OPATIJA306NT♠Q=+0
+1.3Round 1ONSTEIN ACES52♠♣2-1+4
+1.3Round 4GREECE94♥♣8+1+0
+1.3Round 8MPE LATTERIA TINIS204♥♠10=-1
+1.2Round 1ONSTEIN ACES62♣♥5+1+9
+1.0Round 2TEXAN ACES114♠♥Q=+0
+0.8Round 4GREECE22♥♠8-1+1
+0.8Round 10JOLLY LOMBARD74♥♣2+1+0
+0.7Round 2TEXAN ACES143NT♠Q+2+1
+0.6Round 4GREECE72NT♠Q=+0
+0.5Round 3BRICKLAYER223NT♠7+2+1
+0.4Round 8MPE LATTERIA TINIS182NT♦4+1+0
+0.3Round 8MPE LATTERIA TINIS114♠♥8-2-6
+0.2Round 8MPE LATTERIA TINIS174♠♠5-2-5
+0.1Round 1ONSTEIN ACES32♥♦J=-1
+0.1Round 3BRICKLAYER254♥♣Q=-1
+0.1Round 3BRICKLAYER261NT♥7=-11
-0.0Round 6OPATIJA243NT♥2+1-1
-0.1Round 4GREECE14♠♠4+1+0
-0.1Round 9PENFOLD213♠♥2=+0
-0.3Round 8MPE LATTERIA TINIS152♥♦K+1+7
-0.4Round 10JOLLY LOMBARD61NT♥9+1+0
-0.5Round 5K4151NT♣2=+7
-0.6Round 8MPE LATTERIA TINIS123NT♣2+1+0
-0.7Round 8MPE LATTERIA TINIS142♥♣J=+0
-1.0Round 6OPATIJA286♠♥K=+11
-1.1Round 2TEXAN ACES163NT♠5+2+0
-1.2Round 9PENFOLD283♣♥2-2+0
-1.3Round 5K4112♠♦2+1-1
-1.4Round 2TEXAN ACES204♠♦A+1+0
-1.7Round 7TREBOLES94♥♣6+2-1
-1.7Round 10JOLLY LOMBARD83♦♠5-1-4
-1.9Round 2TEXAN ACES194♠♦3-1-6
-2.3Round 3BRICKLAYER285♦♥K-1-6
-2.3Round 7TREBOLES73♠♦A=+0
-2.5Round 5K4163♥♥A=-7
-2.8Round 1ONSTEIN ACES43♣♣8+1-7
-3.0Round 7TREBOLES34♠♦9=+0
-3.0Round 7TREBOLES82♥♣Q+3-2
-3.1Round 3BRICKLAYER212♠♥6+1+0
-3.1Round 10JOLLY LOMBARD35♥♠A+1+9
-3.2Round 5K4206♣♠2+1+13
-3.3Round 5K4144♦♣7=-13
-3.7Round 4GREECE34♠x♥2-1-6
-3.9Round 1ONSTEIN ACES13NT♥A+1-1
-3.9Round 10JOLLY LOMBARD54♥♠K=-1
-4.1Round 2TEXAN ACES186♦♠10=+2
-4.7Round 3BRICKLAYER294♥♣2-1-6
-4.7Round 4GREECE61NT♦9=-5
-4.7Round 5K4174♥♦A-2-6
-4.7Round 9PENFOLD265♦♥K=-3
-4.8Round 7TREBOLES42NT♠J+1-7
-5.5Round 1ONSTEIN ACES74♥♣A-1-6
-5.5Round 9PENFOLD253NT♦6-1-6
-5.9Round 9PENFOLD233♦♥Q+1-11
-6.9Round 6OPATIJA295♣♠2-1-13
-7.3Round 7TREBOLES13♣x♥10-2-5
-7.5Round 9PENFOLD294♠♥A=-10
-7.7Round 2TEXAN ACES174♥♣Q-1-5
-8.0Round 9PENFOLD244♥x♣A-3-9
-8.4Round 2TEXAN ACES123NT♥9+1-11
-8.4Round 7TREBOLES106NT♥10-2-17
-9.4Round 9PENFOLD303♠x♣2=-10
-9.7Round 3BRICKLAYER305♥x♣A-1-11
-9.9Round 10JOLLY LOMBARD104♥x♥5-2-9
-11.2Round 6OPATIJA233♥x♦2-2-12