YAMADA Akihiko · Japan Yamada

1rank
+38.0Butler · 24 bds
+1.58per board
±4.5swing
+0.07adjusted /bd
Butler per round: 38 38by round

Strength of schedule: opponents averaged -1.52/bd (an easy draw) → opponent-adjusted +0.07/bd

By role: declaring +0.30/bd (8) · defending +2.23/bd (16)

By vulnerability: not vulnerable +1.58/bd (24)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
QuarterfinalK.OhnoK.Cohen – N.SattenOpen12+25.3+2.11·
QuarterfinalK.OhnoK.Cohen – N.SattenOpen12+12.7+1.06·

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
+12.0QuarterfinalCohen94♠♥A-1·
+7.6QuarterfinalCohen25♦x♦K-1·
+7.6QuarterfinalCohen75♥x♣Q-3·
+7.4QuarterfinalCohen104♠♣3-1·
+5.9QuarterfinalCohen242N♣9-3·
+4.6QuarterfinalCohen194♠♣4-2·
+4.1QuarterfinalCohen261N♦J-2·
+3.7QuarterfinalCohen182♥♠T-1·
+3.0QuarterfinalCohen31♠♥T=·
+2.3QuarterfinalCohen205♣♥9+1·
+1.1QuarterfinalCohen62♥♠9-2·
+1.1QuarterfinalCohen113♠♠Q+1·
+0.7QuarterfinalCohen275♣♦J=·
+0.0QuarterfinalCohen46♥♣7-1·
+0.0QuarterfinalCohen174♠♥3=·
+0.0QuarterfinalCohen214♠♣Q+1·
-0.1QuarterfinalCohen53♠♥Q=·
-0.3QuarterfinalCohen222♦♥A+2·
-0.9QuarterfinalCohen14♥♠4=·
-2.0QuarterfinalCohen162♦♠2+2·
-2.3QuarterfinalCohen254♠x♣K-1·
-4.0QuarterfinalCohen236♠♥2=·
-5.9QuarterfinalCohen84♠♦K-1·
-7.6QuarterfinalCohen123N♠4=·