🇯🇵 YAMADA Akihiko · JAPAN

7rank
+20.4Butler · 48 bds
+0.42per board
±4.2swing
+1.19vs par /bd
+0.54adjusted /bd
Butler per round: 20.4 20.4 20.4by round

vs par split: bidding +0.64 · play +0.64

Strength of schedule: opponents averaged +0.12/bd (a tough draw) → opponent-adjusted +0.54/bd

Card play — on target: opening leads 100.0% · declarer play 92.3% · defence 90.9%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (1)100.0% (5)
Declarer play100.0% (2)90.9% (11)
Defence85.7% (7)93.3% (15)

Opening leads by suit led: ♥ 100.0% (1) · ♦ 100.0% (2) · ♣ 100.0% (3)

vs par by strain: NT +0.46 (11) · a suit +1.53 (36)

vs par by level: part-score +0.96 (24) · game +0.47 (19) · slam +7.00 (4)

By role: declaring +0.39/bd (-1.04 vs par · 26) · defending +0.47/bd (+3.82 vs par · 22)

By vulnerability: vulnerable -0.11/bd (-0.33 vs par · 24) · not vulnerable +0.96/bd (+2.71 vs par · 24)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalK.OhnoM.Becker – A.GravesClosed16+9.8+0.61+0.69
QuarterfinalK.OhnoN.Silverman – J.WolfsonClosed16+12.3+0.77+1.25
QuarterfinalK.OhnoM.Becker – A.GravesClosed16-1.7-0.11+1.62

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
+13.0Quarterfinal🇺🇸 USA2456♥♦A=+13
+8.6Quarterfinal🇺🇸 USA2392♠♣6+2+10
+7.4Quarterfinal🇺🇸 USA254♠♥5+1+0
+7.1Quarterfinal🇺🇸 USA2414♠x♥5=+5
+5.7Quarterfinal🇺🇸 USA2734♠♥J+2+1
+4.9Quarterfinal🇺🇸 USA2672♠♠2=+5
+4.4Quarterfinal🇺🇸 USA2142♥♦7-2+5
+4.4Quarterfinal🇺🇸 USA2372♥♠9=+0
+3.7Quarterfinal🇺🇸 USA2336♥♦7-1+14
+3.4Quarterfinal🇺🇸 USA234♠♣J=+11
+3.0Quarterfinal🇺🇸 USA272♠♠J+2-10
+2.9Quarterfinal🇺🇸 USA2432♥♥Q=+6
+2.9Quarterfinal🇺🇸 USA2705♦♠8+1+13
+2.3Quarterfinal🇺🇸 USA292♥♥5+1+0
+2.3Quarterfinal🇺🇸 USA2662NT♥5-1-1
+1.6Quarterfinal🇺🇸 USA2123♥♦A=+7
+1.4Quarterfinal🇺🇸 USA2104♥♠Q+1+0
+1.4Quarterfinal🇺🇸 USA2795♦♥A=+2
+1.3Quarterfinal🇺🇸 USA244♥♣K-1+12
+0.7Quarterfinal🇺🇸 USA213♠♣7-1+5
+0.7Quarterfinal🇺🇸 USA2721NT♥6=+0
+0.6Quarterfinal🇺🇸 USA2761NT♥8+3-10
+0.6Quarterfinal🇺🇸 USA2804NT♥8+1+13
+0.4Quarterfinal🇺🇸 USA2152NT♥K-1-2
+0.4Quarterfinal🇺🇸 USA2353♥♣K+1-6
+0.0Quarterfinal🇺🇸 USA264♠♠A-1-4
+0.0Quarterfinal🇺🇸 USA2485♦♣K-1+6
-0.1Quarterfinal🇺🇸 USA282♣x♠7-1+0
-0.4Quarterfinal🇺🇸 USA2683♥♠6+1+10
-0.7Quarterfinal🇺🇸 USA2654♠x♦3=-5
-1.0Quarterfinal🇺🇸 USA2442♥♣K+1+0
-1.4Quarterfinal🇺🇸 USA2112♠♣10+2+7
-1.4Quarterfinal🇺🇸 USA2693NT♣7+2+0
-1.6Quarterfinal🇺🇸 USA2471NT♥4=+7
-1.9Quarterfinal🇺🇸 USA2166♠♦2=+0
-2.0Quarterfinal🇺🇸 USA2753♦♥Q+1+0
-2.1Quarterfinal🇺🇸 USA2386♦♦2+1+1
-2.4Quarterfinal🇺🇸 USA274Pass-3
-2.4Quarterfinal🇺🇸 USA2783NT♦10+2+0
-2.6Quarterfinal🇺🇸 USA2712NT♠Q-2+9
-2.9Quarterfinal🇺🇸 USA2465♣♥A-2-5
-3.1Quarterfinal🇺🇸 USA2403♥♣K+1-7
-3.6Quarterfinal🇺🇸 USA2361NT♥5-1-5
-5.1Quarterfinal🇺🇸 USA223♠♦Q+1-7
-5.1Quarterfinal🇺🇸 USA2343NT♥J-4-6
-7.6Quarterfinal🇺🇸 USA2135♣♣6+1-13
-8.4Quarterfinal🇺🇸 USA2424♥x♦Q-1-13
-8.9Quarterfinal🇺🇸 USA2774♠♠2-2-8