DIAMOND Derek · SCOTLAND

315rank
-3.8Butler · 30 bds
-0.13per board
±5.8swing
-1.93vs par /bd
+0.44adjusted /bd
Butler per round: 4.7 -8.8 0.3by round

vs par split: bidding -1.77 · play -0.17

Strength of schedule: opponents averaged +0.57/bd (a tough draw) → opponent-adjusted +0.44/bd

Card play — on target: opening leads 60.0% · declarer play 60.0% · defence 92.3%

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (3)50.0% (2)
Declarer play66.7% (3)50.0% (2)
Defence80.0% (5)100.0% (8)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (1) · ♦ 0.0% (1) · ♣ 50.0% (2)

vs par by strain: NT -2.17 (12) · a suit -1.78 (18)

vs par by level: part-score +0.57 (7) · game -2.50 (18) · slam -3.40 (5)

By role: declaring -0.14/bd (-5.82 vs par · 17) · defending -0.11/bd (+3.15 vs par · 13)

By vulnerability: vulnerable -1.91/bd (-4.12 vs par · 16) · not vulnerable +1.91/bd (+0.57 vs par · 14)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 11G.HaaseJ.Shih – P.WangClosed10+4.7+0.47-0.60
Round 13G.HaaseP.Jassem – J.WojcieszekOpen10-8.8-0.88-2.20
Round 14G.HaaseA.Sontag – D.BerkowitzClosed10+0.3+0.03-3.00

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
+10.4Round 11YEH MIX197♠♠8=+0
+10.0Round 13POLISH STUDENTS15♥x♠A-4+9
+9.0Round 11YEH MIX183NT♠3+1+0
+7.9Round 14GORDON166♥♥4-1+9
+5.9Round 14GORDON185♥♠K=+0
+4.7Round 13POLISH STUDENTS106♣♠7=-2
+4.4Round 14GORDON153NT♥6=+0
+4.3Round 14GORDON116♠♥5=-11
+3.4Round 11YEH MIX133NT♠2=-1
+2.4Round 13POLISH STUDENTS52NT♠10=-7
+2.0Round 11YEH MIX124♥♦Q+1+0
+0.9Round 11YEH MIX142♥♦10-2+0
+0.8Round 14GORDON172♠♣8=+0
+0.4Round 11YEH MIX171♥♥2+2+7
+0.2Round 13POLISH STUDENTS42NT♠K=+10
-0.1Round 13POLISH STUDENTS83NT♥5+2+0
-0.1Round 14GORDON144♠♥3+2-8
-1.3Round 14GORDON195♣♣9+1+5
-1.8Round 11YEH MIX164♥♦A=+0
-2.0Round 11YEH MIX113NT♥3+2+10
-2.0Round 13POLISH STUDENTS94♠♠4=+1
-2.3Round 14GORDON202♠♦Q-1+0
-4.5Round 13POLISH STUDENTS33NT♥Q=+0
-4.6Round 13POLISH STUDENTS64♠♣K+2-17
-5.0Round 13POLISH STUDENTS22NT♣Q+1-6
-6.3Round 14GORDON124♠♦J-1-12
-7.5Round 11YEH MIX153NT♣Q-4-10
-9.9Round 13POLISH STUDENTS73NT♦2=-10
-10.1Round 11YEH MIX203NT♦4-2-12
-13.0Round 14GORDON136♦♥J-2-13