KAPTEIN Mark · KERDIZO

151rank
-0.5Butler · 50 bds
-0.01per board
±5.0swing
-0.19adjusted /bd
Butler per round: -2.3 -28.1 26.3 12.2 -8.6by round

Strength of schedule: opponents averaged -0.18/bd (an easy draw) → opponent-adjusted -0.19/bd

By role: declaring -1.21/bd (28) · defending +1.52/bd (22)

By vulnerability: not vulnerable -0.01/bd (50)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1H.Van IpenburgL.Trabucchi – P.IottiClosed10-2.3-0.23·
Round 2H.Van IpenburgF.Nystrom – J.UpmarkClosed10-28.1-2.81·
Round 3H.Van IpenburgC.Bearpark – K.O'SheaClosed10+26.3+2.63·
Round 4H.Van IpenburgR.Vardar – E.CuhadarClosed10+12.2+1.22·
Round 5H.Van IpenburgB.Strater – U.KratzClosed10-8.6-0.86·

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
+11.0Round 4ALFA ROMEO74♥♦5=·
+9.6Round 3CASHEL223NT♦4=·
+9.0Round 1TRABUCCHI34♠x♣J-2·
+8.4Round 3CASHEL284♥♣3+3·
+7.7Round 3CASHEL274♥♠8+3·
+7.2Round 4ALFA ROMEO104♣♠A-4·
+6.1Round 1TRABUCCHI75♦♥4-1·
+5.8Round 5GERMAN SENIORS143NT♦Q-1·
+4.4Round 1TRABUCCHI94♥♠Q-3·
+3.6Round 3CASHEL252♠♥K+1·
+3.2Round 4ALFA ROMEO56♠♦4+1·
+2.9Round 3CASHEL266♣♥Q=·
+2.8Round 5GERMAN SENIORS163NT♥Q-1·
+2.0Round 4ALFA ROMEO43♣♣A-1·
+1.9Round 5GERMAN SENIORS133♥♠A=·
+1.7Round 1TRABUCCHI24♥♣A=·
+1.4Round 2ROSENTHAL203♦♦8+1·
+0.9Round 1TRABUCCHI13NT♣2=·
+0.8Round 4ALFA ROMEO22♠♥K+2·
+0.7Round 3CASHEL234♥♠J=·
+0.6Round 2ROSENTHAL192♥♠Q+4·
+0.4Round 4ALFA ROMEO63NT♥5=·
+0.4Round 5GERMAN SENIORS121NT♣2-1·
+0.2Round 1TRABUCCHI53NT♦Q=·
-0.2Round 2ROSENTHAL143♦♣Q=·
-0.2Round 2ROSENTHAL184♥♣A-1·
-0.3Round 3CASHEL214♥♠10+1·
-0.8Round 5GERMAN SENIORS115♠♦3+1·
-0.9Round 1TRABUCCHI63NT♠J-1·
-1.0Round 3CASHEL294♥♠8+1·
-1.0Round 5GERMAN SENIORS184♠♣Q+2·
-1.0Round 5GERMAN SENIORS202NT♠Q-1·
-1.3Round 2ROSENTHAL112♥♠K-1·
-2.1Round 3CASHEL243NT♠5+2·
-2.5Round 2ROSENTHAL162♥♦K+1·
-2.7Round 5GERMAN SENIORS192♠♣K=·
-2.8Round 4ALFA ROMEO92♠♦Q-1·
-3.1Round 4ALFA ROMEO82♠♥A=·
-3.2Round 3CASHEL305♠♦5+1·
-3.2Round 4ALFA ROMEO13♦♠A+2·
-3.3Round 2ROSENTHAL174♣♥10=·
-3.3Round 4ALFA ROMEO33♦♥6=·
-4.3Round 5GERMAN SENIORS154♥♦2-2·
-5.1Round 1TRABUCCHI82NT♦7-3·
-5.1Round 2ROSENTHAL122♠♦2+4·
-5.9Round 2ROSENTHAL134♥♦K-3·
-6.8Round 1TRABUCCHI104♥♦J+3·
-9.7Round 5GERMAN SENIORS175♦♥A-3·
-11.6Round 2ROSENTHAL153♦♥10-4·
-11.8Round 1TRABUCCHI43NT♥A-3·