🇯🇵 OMASA Akito · JAPAN

31rank
-11.5Butler · 48 bds
-0.24per board
±3.5swing
-0.33vs par /bd
+0.04adjusted /bd
Butler per round: -11.5 -11.5 -11.5by round

vs par split: bidding +0.15 · play -0.48

Strength of schedule: opponents averaged +0.28/bd (a tough draw) → opponent-adjusted +0.04/bd

Card play — on target: opening leads 88.2% · declarer play 54.5% · defence 77.8%

Card play by contract type — on target
vs NTvs a suit
Opening leads66.7% (3)92.9% (14)
Declarer play100.0% (2)44.4% (9)
Defence87.5% (8)73.7% (19)

Opening leads by suit led: ♠ 100.0% (3) · ♥ 75.0% (4) · ♦ 80.0% (5) · ♣ 100.0% (5)

vs par by strain: NT +0.47 (15) · a suit -0.70 (33)

vs par by level: part-score -2.06 (16) · game -0.36 (28) · slam +6.75 (4)

By role: declaring -0.73/bd (-3.67 vs par · 21) · defending +0.14/bd (+2.26 vs par · 27)

By vulnerability: vulnerable -0.86/bd (-0.25 vs par · 24) · not vulnerable +0.38/bd (-0.42 vs par · 24)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalT.ImakuraM.Becker – A.GravesOpen16+15.8+0.99+3.38
QuarterfinalT.ImakuraD.Berkowitz – A.SontagOpen16-5.6-0.35-2.50
QuarterfinalK.YamadaD.Berkowitz – A.SontagOpen16-21.7-1.36-1.88

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
+10.9Quarterfinal🇺🇸 USA2267♦♠10-1+17
+7.0Quarterfinal🇺🇸 USA2505♣♠A=+0
+4.4Quarterfinal🇺🇸 USA2563NT♠2-1+10
+3.7Quarterfinal🇺🇸 USA2181NT♦Q=-1
+3.6Quarterfinal🇺🇸 USA2832NT♠2+1+0
+3.4Quarterfinal🇺🇸 USA2204♥♣8+2+13
+3.4Quarterfinal🇺🇸 USA2594♥♣6-1+4
+3.0Quarterfinal🇺🇸 USA2276NT♦6+1+11
+2.4Quarterfinal🇺🇸 USA2633NT♠5+3-11
+2.1Quarterfinal🇺🇸 USA2885♠♣8=+0
+1.7Quarterfinal🇺🇸 USA2493NT♣K=+2
+1.3Quarterfinal🇺🇸 USA2252♣♦Q+2+7
+1.0Quarterfinal🇺🇸 USA2174♣♠A-1+4
+0.9Quarterfinal🇺🇸 USA2303NT♥Q=+11
+0.9Quarterfinal🇺🇸 USA2611NT♥3-1-5
+0.9Quarterfinal🇺🇸 USA2843♠♣6-1-6
+0.7Quarterfinal🇺🇸 USA2224♠x♥5-1+0
+0.7Quarterfinal🇺🇸 USA2294♥♠4+1+1
+0.4Quarterfinal🇺🇸 USA2825♣♠A+1+5
+0.1Quarterfinal🇺🇸 USA2323NT♥5+1+1
+0.1Quarterfinal🇺🇸 USA2853NT♥6+1+0
-0.0Quarterfinal🇺🇸 USA2196♠♥9-1+11
-0.0Quarterfinal🇺🇸 USA2236♠♥K=-12
-0.0Quarterfinal🇺🇸 USA2285♥♦10=+0
-0.0Quarterfinal🇺🇸 USA2544♠♣10+1+0
-0.0Quarterfinal🇺🇸 USA2583NT♠J=-1
-0.3Quarterfinal🇺🇸 USA2814♥♠10-2-6
-0.3Quarterfinal🇺🇸 USA2912♠x♣9-2-4
-0.4Quarterfinal🇺🇸 USA2934♠♦A=-1
-0.7Quarterfinal🇺🇸 USA2604♥♦4=-11
-0.9Quarterfinal🇺🇸 USA2524♥♠J+1-1
-1.1Quarterfinal🇺🇸 USA2622♥♣5+1-6
-1.1Quarterfinal🇺🇸 USA2944♠x♦A-2-4
-1.4Quarterfinal🇺🇸 USA2211NT♦6-1+2
-1.4Quarterfinal🇺🇸 USA2644♠♣A+1+0
-1.4Quarterfinal🇺🇸 USA2892♦♣A-1-3
-1.6Quarterfinal🇺🇸 USA2903♥♠A-1+0
-1.6Quarterfinal🇺🇸 USA2924♠♦K+1+0
-2.6Quarterfinal🇺🇸 USA2953♥♦6=+0
-3.4Quarterfinal🇺🇸 USA2533♠♠2-1-5
-3.9Quarterfinal🇺🇸 USA2312♥♣J-2-5
-4.3Quarterfinal🇺🇸 USA2964♥♦K=+0
-4.4Quarterfinal🇺🇸 USA2551NT♠10=-5
-4.6Quarterfinal🇺🇸 USA2241NT♣K-2-6
-5.9Quarterfinal🇺🇸 USA2573NT♥7+3-1
-5.9Quarterfinal🇺🇸 USA2874♠♦A-1+1
-7.6Quarterfinal🇺🇸 USA2514♥♦K-3-10
-9.3Quarterfinal🇺🇸 USA2864♥♣Q+2-12