BOSENBERG Christopher Henry · SOUTH AFRICA

95rank
+43.7Butler · 56 bds
+0.78per board
±4.1swing
+1.93vs par /bd · #79/579
+1.07adjusted /bd
Butler per round: 19.4 17.4 -5.9 -4.7 -9.9 13.6 -5.4 19.2by round

vs par split: bidding +1.23 · play +0.70

Strength of schedule: opponents averaged +0.29/bd (a tough draw) → opponent-adjusted +1.07/bd

Card play — on target: opening leads 79.2% #261 of 579 · declarer play 77.8% #206 of 579 · defence 82.8% #402 of 579

Card play by contract type — on target
vs NTvs a suit
Opening leads75.0% (8)81.2% (16)
Declarer play50.0% (2)85.7% (7)
Defence90.9% (11)77.8% (18)

Opening leads by suit led: ♠ 75.0% (4) · ♥ 62.5% (8) · ♦ 83.3% (6) · ♣ 100.0% (6)

vs par by strain: NT +2.82 (17) · a suit +1.54 (39)

vs par by level: part-score +1.00 (23) · game +1.55 (29) · slam +10.00 (4)

By role: declaring +0.67/bd (-0.96 vs par · 27) · defending +0.88/bd (+4.62 vs par · 29)

By vulnerability: vulnerable +0.53/bd (+1.83 vs par · 29) · not vulnerable +1.05/bd (+2.04 vs par · 27)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1N.EberF.Murgia – G.PatelliOpen7+19.4+2.77+4.43
Round 2N.EberS.Liu – Y.ZhaoClosed7+17.4+2.49+1.14
Round 3N.EberD.Hua – J.XuOpen7-5.9-0.84+1.00
Round 4N.EberV.Vainikonis – W.OlanskiClosed7-4.7-0.67+4.57
Round 5N.EberJ.Kalita – M.NowosadzkiOpen7-9.9-1.41-1.57
Round 6N.EberM.Iliev – H.HristovOpen7+13.6+1.94+5.57
Round 7N.EberB.Moss – C.MartelOpen7-5.4-0.77+1.43
Round 8N.EberP.Rajadhyaksha – C.CheekOpen7+19.2+2.74-1.14

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
+13.0Round 1ITALIA51NTxx♠4-3+13
+10.8Round 2P D PIONEERS117♥x♥A-5+5
+8.0Round 8MARK GORDON284♥♠6=+0
+7.0Round 8MARK GORDON224♠♥4=+0
+6.2Round 1ITALIA63NT♦Q=+11
+5.9Round 5ZAWADA66♣♠10+1+13
+5.4Round 6BULGARIAN ALL STARS103NTx♠Q-1+8
+5.3Round 6BULGARIAN ALL STARS146♠x♦A-3+5
+5.0Round 6BULGARIAN ALL STARS134♠♥A-1+6
+5.0Round 7FLEISHER162♥x♣4-1+11
+3.7Round 2P D PIONEERS121♠x♦4-1+6
+3.5Round 6BULGARIAN ALL STARS123NT♠2-1+10
+3.3Round 5ZAWADA33♣♦7=-1
+3.1Round 2P D PIONEERS83♣♥2=+0
+3.1Round 2P D PIONEERS95♣♦K=+0
+2.6Round 8MARK GORDON245♥♠A=+0
+2.4Round 1ITALIA42♠♦6=+6
+2.0Round 2P D PIONEERS134♥♥J+2+1
+2.0Round 3SHAOGUAN BRIDGE ASOCIATION152♠♦6=+0
+2.0Round 4VITAS236♣♥8-1+17
+2.0Round 7FLEISHER214♠♣7-1+5
+2.0Round 8MARK GORDON263NT♠6=+0
+1.9Round 1ITALIA23NT♥5-2+6
+1.5Round 4VITAS243NT♠5+1-1
+1.5Round 8MARK GORDON273♠♥A-1-2
+0.7Round 3SHAOGUAN BRIDGE ASOCIATION182♥♥5=+0
+0.6Round 3SHAOGUAN BRIDGE ASOCIATION172♠♦7-1+3
+0.5Round 8MARK GORDON231NT♣J=+1
+0.4Round 5ZAWADA53♥♣A=+0
+0.3Round 3SHAOGUAN BRIDGE ASOCIATION202♥x♦4-2+13
+0.1Round 4VITAS265♦♣A+1+13
+0.0Round 4VITAS222♥♦A+1+0
-0.3Round 1ITALIA12♦♠A-2-5
-0.3Round 6BULGARIAN ALL STARS112♠♦10-1-2
-0.6Round 7FLEISHER204♥♣9+1-13
-0.9Round 4VITAS253NT♣4+3+12
-1.6Round 1ITALIA32♠♣9-1-1
-1.6Round 5ZAWADA23♥♣4+1-1
-1.6Round 7FLEISHER173♣♦Q=-1
-1.8Round 2P D PIONEERS142♠♥A-1-4
-1.8Round 5ZAWADA13NT♥7=+0
-1.8Round 7FLEISHER181NT♥5=+2
-1.9Round 3SHAOGUAN BRIDGE ASOCIATION215♦x♥K-5-15
-2.0Round 6BULGARIAN ALL STARS94♥♣Q+1+12
-2.2Round 1ITALIA75♣♥6=+1
-2.4Round 8MARK GORDON254♠x♦A-2-7
-2.9Round 3SHAOGUAN BRIDGE ASOCIATION193NT♦5+2+17
-3.3Round 6BULGARIAN ALL STARS83NT♦J+1+0
-3.5Round 2P D PIONEERS103NT♥5+1+0
-3.5Round 4VITAS283NT♣4-2-8
-3.5Round 7FLEISHER193♣♥10-1-5
-3.9Round 4VITAS275♣♦A+1-1
-4.7Round 3SHAOGUAN BRIDGE ASOCIATION163NT♣6+3-11
-4.9Round 7FLEISHER154♠♣K+2+11
-7.4Round 5ZAWADA43NT♥5-1-12
-8.7Round 5ZAWADA73♠♥4+1-10