WESTRA Berry · T ONSTEIN

39rank
+109.3Butler · 150 bds
+0.73per board
±3.9swing
+1.01vs par /bd · #45/695
+1.06adjusted /bd
Butler per round: 15.2 11.8 13.5 7.5 -27.9 1.8 10.8 -4.5 27.1 6.1 21.2 -1.3 4 14.3 9.7by round

vs par split: bidding +0.49 · play +0.52

Strength of schedule: opponents averaged +0.33/bd (a tough draw) → opponent-adjusted +1.06/bd

Card play — on target: opening leads 85.7% #146 of 694 · declarer play 84.8% #79 of 694 · defence 94.8% #9 of 695

Card play by contract type — on target
vs NTvs a suit
Opening leads83.3% (6)86.4% (22)
Declarer play81.8% (11)86.4% (22)
Defence94.4% (18)94.9% (59)

Opening leads by suit led: ♠ 85.7% (7) · ♥ 75.0% (4) · ♦ 100.0% (6) · ♣ 81.8% (11)

vs par by strain: NT +0.81 (41) · a suit +1.08 (109)

vs par by level: part-score +1.00 (49) · game +1.02 (94) · slam +0.86 (7)

By role: declaring +0.96/bd (-1.41 vs par · 73) · defending +0.51/bd (+3.30 vs par · 77)

By vulnerability: vulnerable +0.64/bd (+0.40 vs par · 75) · not vulnerable +0.82/bd (+1.61 vs par · 75)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.BertensJ.Rayner – B.StewartClosed10+15.2+1.52+1.20
Round 2H.BertensA.Frencken – W.Van Den HoveOpen10+11.8+1.18+1.20
Round 3H.BertensV.Mihov – I.NanevOpen10+13.5+1.35+1.40
Round 4H.BertensD.Bilde – H.GraversenClosed10+7.5+0.75-0.30
Round 5H.BertensT.Nunn – S.HansOpen10-27.9-2.79-2.90
Round 6H.BertensM.Krupowicz – S.ZawislakClosed10+1.8+0.18-0.40
Round 7H.BertensJ.Piekarek – A.SmirnovClosed10+10.8+1.08+3.10
Round 8H.BertensJ.Baldursson – T.JonssonOpen10-4.5-0.45-2.80
Round 9H.BertensM.Ino – T.ImakuraOpen10+27.1+2.71+2.30
Round 10H.BertensA.Wildavsky – F.PiedraClosed10+6.1+0.61+1.50
Round 11H.BertensA.Gromov – M.KrasnosselskiOpen10+21.2+2.12+5.50
Round 12H.BertensD.Berkowitz – A.SontagClosed10-1.3-0.13+5.10
Round 13H.BertensJ.Berg – A.RasmussenOpen10+4.0+0.40-0.20
Round 14H.BertensA.Birman – D.PadonOpen10+14.3+1.43+0.20
Round 15H.BertensG.Narkiewicz – K.BurasClosed10+9.7+0.97+0.20

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
+9.2Round 2FRENCKEN205♦x♠A-3+16
+9.1Round 4DENMARK14♠♦6=+8
+8.2Round 14ISRAEL JUNIORS204♥♠4=+1
+8.2Round 15A J DIAMENT254♠♦K=+1
+8.1Round 7SMIRNOV63NT♥9=+7
+7.8Round 9ONI263NT♠6+4-12
+7.6Round 11PARIMATCH174♥♦A=+8
+7.1Round 1RAYNER53♥x♣6-2+9
+7.1Round 11PARIMATCH145♦x♣7-1+11
+7.0Round 8ICELAND113NT♥3=+6
+6.9Round 13BLUND74♠♥K-1+6
+6.1Round 9ONI234♥♣7-1+12
+6.0Round 4DENMARK24♥♣J=+0
+6.0Round 7SMIRNOV86♠♥A=+0
+5.7Round 9ONI214♠♥J+1+7
+5.5Round 14ISRAEL JUNIORS123NT♠8-2+8
+5.2Round 9ONI303NT♠4=+0
+5.2Round 13BLUND64♥♣6-1+10
+4.9Round 11PARIMATCH113NT♦10+3+11
+4.8Round 1RAYNER91NT♦8+3+2
+4.8Round 7SMIRNOV43♠♥5-2+7
+4.7Round 6POLAND223NT♥3-3+11
+4.7Round 10PIEDRA83♠♣6-1+10
+4.6Round 6POLAND214♠♦6=+7
+4.6Round 10PIEDRA43♠♥7-2+2
+4.6Round 12GORDON283NT♥A-1+6
+4.4Round 12GORDON244♠♣7+3+10
+4.3Round 8ICELAND193♠♣10=+1
+3.7Round 2FRENCKEN183♣♦7+1+0
+3.7Round 3BULGARIA255♦x♠2-1+6
+3.7Round 8ICELAND204♥♣10=+0
+3.7Round 12GORDON296♥♠7=+13
+3.7Round 14ISRAEL JUNIORS165♦♥A=+3
+3.4Round 3BULGARIA222♥♦2-3+1
+3.3Round 10PIEDRA32♠♣J=+5
+3.2Round 1RAYNER23♥♠4=+7
+3.1Round 3BULGARIA292♠♠2-2+2
+3.0Round 12GORDON253♦♥Q+1+7
+3.0Round 15A J DIAMENT303NT♣2+2+0
+2.9Round 10PIEDRA51NT♠5+3+3
+2.8Round 2FRENCKEN123♠♥5-2+2
+2.8Round 9ONI252♥♣A+1+1
+2.7Round 6POLAND282♠♦7=+0
+2.6Round 1RAYNER33NT♥2=+0
+2.6Round 2FRENCKEN133NT♠5+1+13
+2.6Round 2FRENCKEN151NT♦A+2+0
+2.6Round 11PARIMATCH163NT♠3-2+11
+2.6Round 13BLUND42♠♦A+1+0
+2.5Round 5OZ OPEN182♥♥Q=+6
+2.4Round 3BULGARIA284♠♥K+1+1
+2.4Round 9ONI273NT♥6+1+4
+2.3Round 4DENMARK73♥♣J-2+3
+2.3Round 4DENMARK83♠♦K-1+4
+2.2Round 3BULGARIA233♦x♣3-1+2
+2.2Round 4DENMARK65♠♥A=+0
+2.2Round 15A J DIAMENT235♣♥10-1+6
+2.1Round 1RAYNER82♥♠A=-1
+2.1Round 14ISRAEL JUNIORS111NT♥6+1+1
+1.8Round 6POLAND263♠♣2-1+0
+1.7Round 2FRENCKEN144♠♣7-2+0
+1.7Round 5OZ OPEN113NT♥2+3+2
+1.6Round 3BULGARIA271NT♠2+3+1
+1.6Round 3BULGARIA304♠♥2-1+4
+1.6Round 14ISRAEL JUNIORS143NT♠K+2-11
+1.5Round 5OZ OPEN173♣♦J=+0
+1.4Round 11PARIMATCH134♥♠4=-1
+1.4Round 13BLUND82♠♦2-2+7
+1.2Round 12GORDON213NT♠4=+13
+1.2Round 14ISRAEL JUNIORS153♠♦A=+6
+1.1Round 1RAYNER102♠♥K+1+0
+1.1Round 6POLAND302♦♠6+1+0
+1.0Round 10PIEDRA72♥♦K=+1
+1.0Round 11PARIMATCH204♠♥Q+2+12
+1.0Round 15A J DIAMENT294♠♥3+1+0
+0.6Round 1RAYNER45♥♣5+1+13
+0.6Round 9ONI224♥♠Q=+1
+0.5Round 7SMIRNOV33NT♦7=+0
+0.5Round 7SMIRNOV104♥♥9+3+17
+0.5Round 11PARIMATCH123♥x♠3-1-5
+0.4Round 4DENMARK44♥♥5+1+1
+0.4Round 11PARIMATCH153NT♦5+1+0
+0.4Round 13BLUND53NT♣2=-1
+0.2Round 7SMIRNOV23NT♥3+2+1
+0.2Round 9ONI293NT♠J=-2
+0.2Round 14ISRAEL JUNIORS134♥♠Q+1-13
+0.1Round 10PIEDRA101♥♥6+2+0
+0.1Round 14ISRAEL JUNIORS194♠♥4+1+0
+0.1Round 15A J DIAMENT244♠♥2=-1
-0.0Round 5OZ OPEN124♥♦2+1+0
-0.0Round 13BLUND23♥♦Q+1+8
-0.1Round 2FRENCKEN113♦♥7-1+2
-0.1Round 5OZ OPEN164♥♠2+2-1
-0.1Round 6POLAND273♣♠Q+1-7
-0.1Round 15A J DIAMENT224♠♦6=+0
-0.2Round 1RAYNER62♠♦Q-2-11
-0.2Round 15A J DIAMENT264♠♦7=+0
-0.3Round 13BLUND13NT♣5+1+1
-0.5Round 7SMIRNOV52♥♣3+1+0
-0.5Round 8ICELAND154♠♣8+1+0
-0.5Round 12GORDON274♥♦9=+1
-0.5Round 15A J DIAMENT283NT♦Q+2+0
-0.6Round 9ONI284♥♠K+2+12
-0.7Round 7SMIRNOV74♠♥K=+0
-0.7Round 10PIEDRA13NT♥4+2+0
-0.8Round 3BULGARIA242♠♥2-1+2
-0.8Round 6POLAND234♥♥6=+1
-0.8Round 10PIEDRA63NT♣5=+0
-1.0Round 11PARIMATCH193NT♥10+2+11
-1.0Round 13BLUND93NT♠9+1-13
-1.2Round 8ICELAND172♠♥J-1-5
-1.3Round 8ICELAND134♥♦A=-3
-1.4Round 10PIEDRA93NT♣Q-1-6
-1.5Round 8ICELAND184♠♥K+1+0
-1.5Round 12GORDON223♣♥A=+1
-1.5Round 12GORDON263♠♣A=+0
-1.6Round 3BULGARIA263♣♦A-3-4
-1.6Round 15A J DIAMENT275♦x♦2-2-4
-2.1Round 1RAYNER73NT♥2=+0
-2.1Round 3BULGARIA213NT♠2+1-1
-2.2Round 4DENMARK54♥♣K-1-7
-2.4Round 5OZ OPEN143♣♦9-1-4
-2.4Round 14ISRAEL JUNIORS176♠♦8=+10
-2.4Round 15A J DIAMENT214♥♣6+1+0
-2.8Round 4DENMARK94♥♦A-1-6
-2.9Round 7SMIRNOV93NT♦Q+1-1
-3.0Round 5OZ OPEN156♥♦2=+0
-3.1Round 9ONI243♥♠K-2+0
-3.2Round 2FRENCKEN173♣♠4-1-4
-3.3Round 11PARIMATCH184♠♣K=-3
-3.4Round 6POLAND243NT♥4=+1
-3.4Round 8ICELAND144♥♠5-2-5
-3.6Round 2FRENCKEN165♥♠K-1-5
-3.9Round 2FRENCKEN194♠♦K-1-12
-3.9Round 6POLAND292♠♦J+4-10
-4.0Round 1RAYNER13NT♣A-4-7
-4.1Round 4DENMARK106♠♠2=+0
-4.3Round 8ICELAND163NT♠2-2-12
-4.7Round 13BLUND33NT♣2-2-7
-4.9Round 6POLAND253NT♥7-2-7
-5.2Round 7SMIRNOV14♠♦10=+0
-5.3Round 12GORDON234♥♠6=+0
-5.7Round 4DENMARK34♠♦7=-6
-5.9Round 14ISRAEL JUNIORS185♣♠K=-3
-6.5Round 13BLUND104♠x♥Q-1-13
-6.9Round 5OZ OPEN205♦♠9-1-12
-7.3Round 8ICELAND124♠♥K=-10
-7.5Round 5OZ OPEN193♠x♣J-2-3
-7.6Round 10PIEDRA24♠♦10=+0
-9.4Round 12GORDON306♣♦K=+0
-13.7Round 5OZ OPEN136♥♣Q-1-17