HALLBERG Gunnar · BLACK

204rank
+10.1Butler · 100 bds
+0.10per board
±4.4swing
+0.18vs par /bd · #187/478
+0.10adjusted /bd
Butler per round: 13.5 18.2 16.7 -23.9 17 -21.2 -2.3 2.2 -17.5 7.4by round

vs par split: bidding +0.10 · play +0.05

Strength of schedule: opponents averaged -0.01/bd (an average draw) → opponent-adjusted +0.10/bd

Card play — on target: opening leads 76.0% #213 of 476 · declarer play 76.0% #267 of 478 · defence 86.0% #233 of 478

Card play by contract type — on target
vs NTvs a suit
Opening leads62.5% (8)82.4% (17)
Declarer play69.2% (13)83.3% (12)
Defence64.3% (14)94.4% (36)

Opening leads by suit led: ♠ 100.0% (4) · ♥ 70.0% (10) · ♦ 71.4% (7) · ♣ 75.0% (4)

vs par by strain: NT -2.21 (39) · a suit +1.68 (60)

vs par by level: part-score -0.02 (42) · game +0.11 (47) · slam +1.10 (10)

By role: declaring -0.20/bd (-1.75 vs par · 49) · defending +0.39/bd (+2.04 vs par · 51)

By vulnerability: vulnerable +1.13/bd (+0.77 vs par · 51) · not vulnerable -0.97/bd (-0.43 vs par · 49)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1A.BlackE.Rodwell – J.MeckstrothOpen10+13.5+1.35+3.20
Round 2A.BlackC.Lucena – C.PellegriniOpen10+18.2+1.82+2.80
Round 3A.BlackJ.Shi – T.YangOpen10+16.7+1.67+2.50
Round 4A.BlackB.Nab – B.DrijverOpen10-23.9-2.39-2.00
Round 5A.BlackG.Tuffnell – M.ChibaOpen10+17.0+1.70+0.10
Round 6A.BlackJ.Campos – S.TommasiniOpen10-21.2-2.12-4.60
Round 7A.BlackJ.Rombaut – N.LhuissierOpen10-2.3-0.23+1.70
Round 8A.BlackE.Ginossar – C.WillenkenOpen10+2.2+0.22-1.60
Round 9A.BlackM.Andresen – F.HelnessOpen10-17.5-1.75-2.80
Round 10A.BlackW.Watson – E.HungOpen10+7.4+0.74+2.50

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
+12.6Round 9VICKY136♠♣A-3+14
+11.9Round 5SKY BRIDGE CLUB296♣♥9-1+13
+9.3Round 8ROSENTHAL73NTx♣K=+4
+8.8Round 1NICKELL93♥♦2=+11
+8.7Round 3FEIXIANG23NT♥J+1+8
+8.0Round 2ARGENTINA166♦♣A=-2
+7.1Round 1NICKELL34♥♠6+2+14
+7.0Round 7SPUDS194♥♦A-1+10
+6.5Round 10MANDALA262♠♠4+1+10
+6.3Round 1NICKELL24♥♥9-2+8
+6.0Round 2ARGENTINA155♥x♣4-1+7
+5.8Round 2ARGENTINA202♠♥A-2+8
+5.7Round 5SKY BRIDGE CLUB216♣♥2=-2
+5.7Round 6PAIVA24♥♠J+1+4
+5.1Round 10MANDALA212♥♦9+1+6
+4.4Round 8ROSENTHAL13NT♠8+1+7
+4.0Round 5SKY BRIDGE CLUB272♠♦7+1+0
+3.4Round 3FEIXIANG82♠♣K+1+1
+3.1Round 10MANDALA274♥♠6-1+10
+2.9Round 5SKY BRIDGE CLUB246♥♣J=+0
+2.8Round 8ROSENTHAL41NT♠9+2+0
+2.7Round 1NICKELL63NT♣5=-1
+2.5Round 1NICKELL73NT♠5=+0
+2.3Round 3FEIXIANG62♠♦5-1+5
+2.2Round 3FEIXIANG104♥♠Q-3+10
+2.2Round 7SPUDS173♥♦J-1+4
+2.1Round 9VICKY144♠♦9-1+5
+1.9Round 3FEIXIANG11NT♣5+1+0
+1.7Round 1NICKELL45♦♥6+1+10
+1.7Round 3FEIXIANG52♥♦K=+0
+1.6Round 4PDC202♥♦Q=+5
+1.5Round 7SPUDS183NT♥4+2+0
+1.1Round 10MANDALA234♦♣K-1+1
+1.0Round 2ARGENTINA194♠♣J-1+12
+0.9Round 4PDC124♦♠2-1-2
+0.8Round 2ARGENTINA143♣♠2-1+4
+0.8Round 5SKY BRIDGE CLUB28Pass+3
+0.8Round 10MANDALA253NT♣6+2+0
+0.4Round 4PDC161NT♥5-1+0
+0.4Round 5SKY BRIDGE CLUB253NT♣2+1+0
+0.4Round 7SPUDS136♠♣10=-8
+0.3Round 8ROSENTHAL21NT♥6+1-7
+0.3Round 10MANDALA301NT♦8-1+2
+0.2Round 8ROSENTHAL81NT♦2+3-1
+0.1Round 2ARGENTINA183NT♠Q+1+0
+0.1Round 9VICKY203NT♦10+2-13
-0.0Round 1NICKELL52♦♠8-1+5
+0.0Round 2ARGENTINA122♠♦K=-1
+0.0Round 3FEIXIANG93NT♦4=+1
+0.0Round 4PDC182♥♠7=+0
+0.0Round 5SKY BRIDGE CLUB304♠♦3=+0
-0.1Round 2ARGENTINA111NT♠6-2+1
-0.1Round 3FEIXIANG73NT♠J+1+0
-0.2Round 6PAIVA53♠♥10-1-2
-0.2Round 7SPUDS202♠♠Q=-1
-0.2Round 10MANDALA283♥♣J-1-2
-0.3Round 5SKY BRIDGE CLUB223♥♥2-1+1
-0.5Round 8ROSENTHAL63NT♠2=+0
-0.6Round 9VICKY126♦♠6=-2
-0.6Round 10MANDALA295♦♣3=-1
-0.7Round 3FEIXIANG31NT♥3-1+3
-0.7Round 6PAIVA43♥♦10-1-11
-0.9Round 8ROSENTHAL55♣♥A=+2
-1.0Round 5SKY BRIDGE CLUB262♠♦J+1+0
-1.2Round 7SPUDS121NT♦A+2-1
-1.3Round 1NICKELL104♥♥2+2-1
-1.3Round 7SPUDS154♥♦3=+0
-1.6Round 2ARGENTINA134♥♦J+2-1
-1.6Round 8ROSENTHAL102NT♠9-1+0
-1.8Round 2ARGENTINA173NT♠7+1+0
-2.1Round 9VICKY174♥♠3=+1
-2.2Round 6PAIVA63NT♥6-1-4
-2.2Round 10MANDALA246NT♥6+1-1
-2.3Round 4PDC132♣♥A+1+1
-2.4Round 7SPUDS166♠♠2+1+11
-2.7Round 3FEIXIANG43♦♥A-2-3
-2.7Round 4PDC143NT♥J=+0
-2.7Round 7SPUDS111NT♥6+1+0
-2.8Round 6PAIVA91NT♥6=-5
-3.2Round 9VICKY155♥x♠A-2-2
-3.3Round 6PAIVA82♣♣2+1-5
-3.3Round 6PAIVA103NT♣2-2-8
-3.5Round 9VICKY183NT♥8-1-6
-3.8Round 1NICKELL13♠♥J-1-5
-3.9Round 4PDC114♦♥7-2-8
-4.0Round 4PDC194♥♣6-1-5
-4.1Round 8ROSENTHAL33NT♦10-2-13
-4.1Round 9VICKY111NT♣Q+2-7
-4.3Round 6PAIVA12NT♥J+1-2
-4.8Round 4PDC155♠x♣5-2-3
-4.8Round 6PAIVA73NT♦6-1-6
-5.3Round 6PAIVA33NT♥6-3-7
-5.6Round 7SPUDS144♠♦7-1+2
-6.5Round 10MANDALA224♥♦10+1+0
-6.9Round 9VICKY193♣♥Q-3-6
-7.4Round 5SKY BRIDGE CLUB233NT♦J-4-14
-7.7Round 8ROSENTHAL93NTx♠J-2-8
-9.1Round 4PDC173NTx♥9+2-8
-10.5Round 1NICKELL84♠x♥Q-4-9
-11.9Round 9VICKY166♥♠A=-12