BYRNE Michael · KNOTTENBELT

438rank
-83.6Butler · 80 bds
-1.04per board
±4.8swing
-1.07vs par /bd · #419/441
-1.02adjusted /bd
Butler per round: -26.9 -23.9 -2.2 -4.1 -11.2 -5.8 -13.2 3.7by round

vs par split: bidding -0.69 · play -0.39

Strength of schedule: opponents averaged +0.03/bd (an average draw) → opponent-adjusted -1.02/bd

Card play — on target: opening leads 84.2% #109 of 441 · declarer play 95.2% #1 of 441 · defence 80.5% #369 of 441

Card play by contract type — on target
vs NTvs a suit
Opening leads60.0% (5)92.9% (14)
Declarer play80.0% (5)100.0% (16)
Defence61.5% (13)89.3% (28)

Opening leads by suit led: ♠ 100.0% (2) · ♥ 50.0% (2) · ♦ 87.5% (8) · ♣ 85.7% (7)

vs par by strain: NT -0.41 (22) · a suit -1.33 (58)

vs par by level: part-score -1.74 (27) · game -0.50 (48) · slam -3.00 (5)

By role: declaring -0.87/bd (-3.05 vs par · 39) · defending -1.21/bd (+0.81 vs par · 41)

By vulnerability: vulnerable +0.12/bd (-0.46 vs par · 39) · not vulnerable -2.15/bd (-1.66 vs par · 41)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1M.KnottenbeltK.Lohay – E.VeleckyClosed10-26.9-2.69-3.00
Round 2M.KnottenbeltJ.Mill – S.KonigOpen10-23.9-2.39-0.70
Round 3M.KnottenbeltP.Gruenke – K.CastnerOpen10-2.2-0.22+2.20
Round 5B.Handley-PritchardP.Marill – G.ZanasiOpen10-4.1-0.41+1.30
Round 6M.KnottenbeltJ.Orman – S.GrentheClosed10-11.2-1.12-1.50
Round 7M.KnottenbeltA.Kowalski – A.JankauskasClosed10-5.8-0.58-1.20
Round 11M.KnottenbeltA.Zobu – M.AkhunOpen10-13.2-1.32-4.40
Round 12M.KnottenbeltP.Banchereau – D.EliasOpen10+3.7+0.37-1.30

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
+11.1Round 7GLOSENDAS43NTx♣6-2+12
+9.7Round 7GLOSENDAS33NT♠5=+10
+8.0Round 7GLOSENDAS94♠♦3-1+10
+8.0Round 12TRANSREGIONAL285♠x♣A-1+9
+7.4Round 5VERTYS204♥♠J-2+13
+4.7Round 6CUMBRE VIEJA233♠♥5+1+10
+4.0Round 11VALIO174♥♥7+1+1
+3.6Round 5VERTYS153♠♠5-1+10
+3.2Round 1SLOVAKIA73♦♦2+2+11
+3.1Round 3BV WALDSOLMS274♠♦Q+3+10
+3.1Round 12TRANSREGIONAL294♠♣K=+3
+3.0Round 2ZIGGY203♣♥2-2+2
+2.9Round 12TRANSREGIONAL236♥♣5+1+1
+2.8Round 3BV WALDSOLMS254♥♣A+2+14
+2.5Round 2ZIGGY144♠♥Q-1+5
+2.5Round 6CUMBRE VIEJA212♥♦K=+0
+2.5Round 12TRANSREGIONAL303♥♠5=-4
+2.3Round 6CUMBRE VIEJA221NT♣Q=+0
+2.1Round 12TRANSREGIONAL223♥♣A+2+3
+2.0Round 7GLOSENDAS74♥♦7=-13
+1.7Round 3BV WALDSOLMS225♣♦5=+11
+1.6Round 1SLOVAKIA83NT♥7+2+0
+1.6Round 11VALIO134♠♣A-3-8
+1.3Round 5VERTYS174♠♣8-1+10
+1.2Round 2ZIGGY166♠♦4=+0
+1.1Round 1SLOVAKIA93NT♦9+1+10
+1.1Round 1SLOVAKIA102♠♣7+1+0
+1.1Round 5VERTYS113NT♣10+1+0
+0.8Round 2ZIGGY172♥♦10-2-1
+0.8Round 3BV WALDSOLMS264♥♣J=-1
+0.8Round 3BV WALDSOLMS303♣♦J-1-2
+0.7Round 3BV WALDSOLMS282♥♠K-1+2
+0.6Round 11VALIO123♣♠7=+0
+0.5Round 2ZIGGY133NT♥J+1+0
+0.5Round 11VALIO164♥♣Q=+1
+0.3Round 6CUMBRE VIEJA304♠♣J=+1
+0.2Round 6CUMBRE VIEJA282♥♥8+1+0
-0.1Round 5VERTYS194♠♥7+1-1
-0.3Round 12TRANSREGIONAL241♣♦10-1-2
-0.4Round 5VERTYS184♥♠5=+0
-0.4Round 11VALIO204♦♠8+1-10
-0.5Round 11VALIO142♥♣J=-7
-0.5Round 11VALIO194♥♣4-1-6
-0.6Round 5VERTYS133NT♦10+2-1
-0.6Round 6CUMBRE VIEJA243NT♦6+2-1
-0.8Round 5VERTYS123♠♠6+1-6
-0.8Round 12TRANSREGIONAL264♥♦J=-1
-0.9Round 2ZIGGY194♠♦6+2-13
-1.1Round 6CUMBRE VIEJA292♠♦A+1-10
-1.4Round 3BV WALDSOLMS234♥♦4+1+0
-1.4Round 3BV WALDSOLMS294♠♦Q=+1
-1.5Round 11VALIO153NT♣Q+3-2
-1.7Round 12TRANSREGIONAL213NT♥J+3-1
-2.5Round 1SLOVAKIA11♠♦2=-5
-2.5Round 6CUMBRE VIEJA274♠♣2=+1
-2.8Round 1SLOVAKIA52NT♥5=-6
-2.9Round 3BV WALDSOLMS241NTx♠K-1-6
-3.1Round 2ZIGGY153NT♦2+2+12
-3.5Round 1SLOVAKIA61NTx♥6-1-2
-3.7Round 7GLOSENDAS84♣♥10-3-2
-3.8Round 7GLOSENDAS11NTx♥J-2-4
-5.1Round 12TRANSREGIONAL252♠♦5-2-11
-5.5Round 7GLOSENDAS104♥♠A+2-13
-5.7Round 7GLOSENDAS24♥♠Q=+0
-5.7Round 7GLOSENDAS63NT♣K=+2
-5.9Round 6CUMBRE VIEJA254♠♦3-1-6
-6.3Round 1SLOVAKIA35♥x♠K-2-13
-6.4Round 3BV WALDSOLMS212♠♦4=-7
-7.0Round 12TRANSREGIONAL275♦♠5-1-10
-7.4Round 11VALIO113NT♥10-1-10
-7.5Round 5VERTYS144♠♣K=-11
-7.6Round 2ZIGGY126♥♣4=-1
-7.7Round 1SLOVAKIA44NT♦4+2-12
-8.1Round 5VERTYS166NT♥3+1-1
-8.4Round 2ZIGGY113NT♥3=+1
-9.6Round 11VALIO184♠♣K=-3
-11.1Round 1SLOVAKIA24♠♥8=-13
-11.1Round 6CUMBRE VIEJA263NT♠3=-10
-11.9Round 2ZIGGY184♠x♦K-4-12
-12.2Round 7GLOSENDAS56♠♥A-2-14