SONTAG Alan · SIMSON

13rank
+76.4Butler · 112 bds
+0.68per board
±4.2swing
+0.33vs par /bd · #29/120
+0.64adjusted /bd
Butler per round: 8.3 20.2 -4.4 26.1 -3.3 -11.1 14.5 26.1by round

vs par split: bidding +0.30 · play +0.12

Strength of schedule: opponents averaged -0.04/bd (an average draw) → opponent-adjusted +0.64/bd

Card play — on target: opening leads 92.0% #9 of 120 · declarer play 72.4% #79 of 120 · defence 96.0% #7 of 120

Bidding activity — not a pass: 45.1% #31 of 120 (151/335)

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (1)91.7% (24)
Declarer play71.4% (7)72.7% (22)
Defence75.0% (8)100.0% (42)

Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (8) · ♦ 87.5% (8) · ♣ 100.0% (6)

vs par by strain: NT -1.64 (25) · a suit +1.04 (84)

vs par by level: part-score +0.35 (43) · game +0.50 (56) · slam +0.30 (10)

By role: declaring +0.97/bd (-1.63 vs par · 59) · defending +0.51/bd (+2.84 vs par · 50)

By vulnerability: vulnerable +1.19/bd (+1.39 vs par · 56) · not vulnerable +0.17/bd (-0.73 vs par · 56)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1B.LevinJ.Lekki – P.StopaClosed14+8.3+0.59+2.71
Round 2B.LevinJ.Van Der Neut – P.ZwartClosed14+20.2+1.44+1.71
Round 5B.LevinG.Venkatesh – A.PadhyeOpen14-4.4-0.31+0.64
Round 6B.LevinI.Findlay – G.BaykalClosed14+26.1+1.86+0.64
Round 8B.LevinA.Twardowski – R.PalaszOpen14-3.3-0.24-0.14
Round 9B.LevinG.Duboin – P.CronierClosed14-11.1-0.79-2.29
Round 11B.LevinK.Martens – M.WitekOpen14+14.5+1.04+0.86
Round 12B.LevinP.Tuszynski – A.KowalskiOpen14+26.1+1.86-1.50

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
+10.8Round 2VALLON206♠♦K=+13
+10.7Round 1GDAKRA122♣♦A=+12
+10.7Round 11POLAND95♦x♠Q-4+7
+10.2Round 2VALLON263NT♥2=+10
+10.1Round 5TEXAN ACES66♦xx♥A-1+12
+10.0Round 5TEXAN ACES136♣♥J-1+17
+9.2Round 1GDAKRA134♠♦T+3+17
+8.3Round 6CANADA203NT♦8-3+9
+7.0Round 2VALLON183NT♦T-1+6
+6.9Round 8PKB POZNAN194♠♥A=+0
+6.6Round 12MILNER204♠♥A=+0
+6.5Round 12MILNER246♠♣5=+0
+6.3Round 5TEXAN ACES44♥♣Q-1+12
+6.0Round 11POLAND143♠♣A=+6
+5.8Round 6CANADA232♥♣A-3+5
+5.0Round 1GDAKRA113NT♥9=+0
+4.9Round 9ZIMMERMANN23NT♠5+2+1
+4.5Round 12MILNER176♣♥A+1-11
+4.3Round 6CANADA224♥♥T-1+5
+4.0Round 2VALLON152♠♦7-2+2
+3.8Round 8PKB POZNAN176♥♣3+1+1
+3.8Round 12MILNER192♠♣Q-1+5
+3.7Round 9ZIMMERMANN52♥♦A+1+1
+3.7Round 12MILNER166♣♥K=-1
+3.2Round 2VALLON243♣♣3+1+1
+3.2Round 6CANADA263NT♥4=-1
+3.1Round 8PKB POZNAN203♣♠4-1-1
+2.9Round 1GDAKRA85♥♣A-1+4
+2.9Round 8PKB POZNAN272♠♠2-1+4
+2.7Round 11POLAND112♦♥K+1+0
+2.6Round 9ZIMMERMANN10Pass+4
+2.3Round 6CANADA284♠♠6+2-11
+2.3Round 12MILNER284♥♦A+2+2
+2.2Round 12MILNER182NT♥Q+2+1
+1.9Round 6CANADA273NT♠3+2+0
+1.8Round 6CANADA174♥♣3=+3
+1.8Round 11POLAND104♠♥A-1+6
+1.7Round 2VALLON193NT♠2-2+11
+1.7Round 2VALLON213♥♦K+1+8
+1.6Round 1GDAKRA93♠♥Q+1+6
+1.6Round 6CANADA244♠♥A=+3
+1.3Round 2VALLON274♥♣6+1+0
+1.3Round 9ZIMMERMANN42♠♠T+1+0
+1.3Round 11POLAND22♠♣K=+0
+1.2Round 2VALLON284♥♦K=-1
+1.1Round 1GDAKRA52♣♥A-1+3
+1.1Round 12MILNER214♦♣K=+0
+1.0Round 6CANADA213♠♥K-1-1
+0.9Round 8PKB POZNAN212♠♣T+1+0
+0.9Round 11POLAND52♠♦7-1-1
+0.8Round 11POLAND73NT♠Q+2+0
+0.7Round 6CANADA164♥♦9=+0
+0.7Round 8PKB POZNAN253NT♥2+2+0
+0.6Round 8PKB POZNAN183♠♥5+2-6
+0.6Round 11POLAND32♥♥3+3+3
+0.5Round 12MILNER253♦♠T-1-2
+0.4Round 9ZIMMERMANN13♥♠J-1+2
+0.3Round 1GDAKRA105♥♦4=+0
+0.3Round 5TEXAN ACES23NT♥T=+0
+0.3Round 12MILNER233NT♠Q+2-13
-0.0Round 5TEXAN ACES114♠♥6=+0
+0.0Round 9ZIMMERMANN122NT♠4=-5
-0.0Round 12MILNER153♦♦3=-1
-0.2Round 1GDAKRA34♠♦2=+0
-0.2Round 5TEXAN ACES142♦♥J=-1
-0.3Round 6CANADA185♣♥T-1-5
-0.3Round 6CANADA254♠♣3+1+0
-0.4Round 1GDAKRA14♥♠5+3+10
-0.7Round 5TEXAN ACES1Pass-3
-0.7Round 9ZIMMERMANN64♥♠K+2-11
-0.8Round 11POLAND66♣♥5-2+0
-0.9Round 8PKB POZNAN224♠♥K+2+11
-0.9Round 12MILNER262♦♥8+2+0
-1.0Round 2VALLON163♥♦K-2-7
-1.0Round 9ZIMMERMANN33♦♠A-1+2
-1.0Round 11POLAND131NT♦J+1-1
-1.1Round 8PKB POZNAN164♠♥9=+0
-1.1Round 11POLAND13♠♠7=+0
-1.3Round 1GDAKRA64♥♣A=+0
-1.4Round 5TEXAN ACES101NT♣K+2-10
-1.5Round 6CANADA153♥♠4-1+2
-1.6Round 9ZIMMERMANN114♥♦7=+1
-1.6Round 12MILNER224♥♦A=+0
-1.8Round 8PKB POZNAN262♥♠K-1+0
-1.8Round 9ZIMMERMANN72♠♠9+2-10
-2.0Round 11POLAND84♥♦Q=-3
-2.0Round 11POLAND122♠♣J-1+1
-2.4Round 5TEXAN ACES93♥♣A-2+5
-2.4Round 9ZIMMERMANN83NT♥K-1-5
-2.5Round 1GDAKRA43♠♦A=+0
-2.7Round 2VALLON253NT♣4-1+0
-2.7Round 6CANADA193NT♥7+1+0
-2.8Round 8PKB POZNAN284♠x♥Q-2+7
-2.9Round 2VALLON223NT♥K+1+11
-2.9Round 5TEXAN ACES52♥♥J=+0
-2.9Round 12MILNER274♣♠Q=-1
-3.2Round 8PKB POZNAN154♠♠3+3-10
-3.3Round 5TEXAN ACES122♠♥2+1-1
-3.4Round 11POLAND42♥♠Q=-6
-4.0Round 1GDAKRA24♠♥A=+5
-4.1Round 9ZIMMERMANN134♠♣5=+0
-4.3Round 8PKB POZNAN243NT♣6-1-5
-4.5Round 5TEXAN ACES75♥♣2+1+9
-4.6Round 2VALLON234NT♠5+3-16
-5.7Round 9ZIMMERMANN144♠♥2=-8
-6.0Round 1GDAKRA74♠♦Q=-9
-6.0Round 5TEXAN ACES86NT♦T-1-14
-6.7Round 9ZIMMERMANN94♥♣K+1-4
-8.1Round 1GDAKRA14Pass-10
-8.1Round 8PKB POZNAN233NT♣Q=-3
-9.7Round 2VALLON176♥♣2-1-14
-9.7Round 5TEXAN ACES33NT♥6-1-17