BERTHEAU Peter · BLACK

300rank
+2.5Butler · 42 bds
+0.06per board
±3.7swing
-1.50vs par /bd · #469/579
-0.35adjusted /bd
Butler per round: -12.9 3.6 0.6 2.6 -2.9 11.5by round

vs par split: bidding -0.62 · play -0.88

Strength of schedule: opponents averaged -0.41/bd (an easy draw) → opponent-adjusted -0.35/bd

Card play — on target: opening leads 81.8% #224 of 579 · declarer play 76.9% #226 of 579 · defence 78.9% #485 of 579

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (4)71.4% (7)
Declarer play66.7% (3)80.0% (10)
Defence66.7% (6)84.6% (13)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 66.7% (3) · ♦ 100.0% (4) · ♣ 0.0% (1)

vs par by strain: NT -0.54 (13) · a suit -1.93 (29)

vs par by level: part-score -1.60 (20) · game -1.90 (20) · slam +3.50 (2)

By role: declaring +0.63/bd (-3.70 vs par · 23) · defending -0.63/bd (+1.16 vs par · 19)

By vulnerability: vulnerable +0.36/bd (-0.24 vs par · 21) · not vulnerable -0.24/bd (-2.76 vs par · 21)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1G.HallbergS.He – Z.HeOpen7-12.9-1.84+0.00
Round 2G.HallbergJ.Kang – Y.YangOpen7+3.6+0.51-1.57
Round 3G.HallbergJ.Wang – J.GuOpen7+0.6+0.09+0.57
Round 6G.HallbergJ.Ventin Camprubi – F.WrangOpen7+2.6+0.37-3.00
Round 7G.HallbergR.Wang – X.GanClosed7-2.9-0.41-2.57
Round 8G.HallbergW.Gawel – R.JagniewskiOpen7+11.5+1.64-2.43

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
+9.9Round 3P D TRANSNATIONAL196♥♦5-1+20
+6.6Round 8BRIDGE 24223NT♣9=-1
+5.6Round 7SHENZHEN NANGANG POWER154♠♠6+3-10
+4.5Round 3P D TRANSNATIONAL216♠♥J=-13
+3.5Round 7SHENZHEN NANGANG POWER162♠x♣3-3-3
+3.3Round 6VENTIN83NT♦J+1+0
+3.1Round 2BEIJING SHARE SUN83♣♥6=+0
+3.1Round 2BEIJING SHARE SUN95♣♦Q=+0
+2.8Round 6VENTIN112♥♣2-1+5
+2.7Round 6VENTIN131NT♠K-2+2
+2.6Round 8BRIDGE 24244♥♠A+1+0
+2.4Round 1SHAOGUAN RENHUA42♠♥K=+6
+2.0Round 8BRIDGE 24254♠x♦A-3-3
+2.0Round 8BRIDGE 24263NT♠3=+0
+1.9Round 2BEIJING SHARE SUN142♦♥A=-1
+1.5Round 7SHENZHEN NANGANG POWER204♠♣10=+13
+1.5Round 8BRIDGE 24282♥♣6=-7
+1.1Round 2BEIJING SHARE SUN134♥♣10+1+0
+1.1Round 6VENTIN95♦♣A+1-13
+0.6Round 3P D TRANSNATIONAL172♠♣3-1+3
+0.5Round 6VENTIN102♥♦A=-1
+0.3Round 2BEIJING SHARE SUN115♠♥J=-10
+0.2Round 3P D TRANSNATIONAL153♦♣8-1-2
+0.1Round 1SHAOGUAN RENHUA23NT♥6-1+5
-0.0Round 8BRIDGE 24232♠♦10=+0
-0.3Round 1SHAOGUAN RENHUA12♦♠A-2-5
-0.3Round 7SHENZHEN NANGANG POWER172♠♥5+2-1
-1.1Round 1SHAOGUAN RENHUA51NT♥2+1-1
-1.2Round 7SHENZHEN NANGANG POWER193♦♠A+1+0
-1.6Round 2BEIJING SHARE SUN121NT♠2+1+1
-2.8Round 6VENTIN145♣♠2=-3
-3.1Round 7SHENZHEN NANGANG POWER183NTx♠5-1-6
-3.2Round 8BRIDGE 24273♠♦9=-6
-3.8Round 3P D TRANSNATIONAL203NT♠7+2+12
-3.9Round 1SHAOGUAN RENHUA73NT♥J+2-1
-4.1Round 1SHAOGUAN RENHUA65♣♣3-1+2
-4.3Round 2BEIJING SHARE SUN103NT♣7+2-1
-4.7Round 3P D TRANSNATIONAL183♣♣5=-5
-5.0Round 6VENTIN123NT♠2-2-11
-6.0Round 1SHAOGUAN RENHUA31NT♠9-2-6
-6.1Round 3P D TRANSNATIONAL165♦♥Q+1-11
-8.9Round 7SHENZHEN NANGANG POWER212♣x♦A+1-11