Ron NELKEN · ROIKO

192rank
-8.1Butler · 70 bds
-0.12per board
±4.6swing
-0.91vs par /bd · #228/265
+0.11adjusted /bd
Butler per round: 5.1 -10.9 4.1 7.8 0 14.5 -28.7by round

vs par split: bidding -0.64 · play -0.27

Strength of schedule: opponents averaged +0.22/bd (a tough draw) → opponent-adjusted +0.11/bd

Card play — on target: opening leads 76.5% #180 of 265 · declarer play 57.9% #234 of 265 · defence 78.1% #228 of 265

Bidding activity — not a pass: 41.3% #139 of 265 (86/208)

Card play by contract type — on target
vs NTvs a suit
Opening leads40.0% (5)91.7% (12)
Declarer play66.7% (6)53.8% (13)
Defence66.7% (9)82.6% (23)

Opening leads by suit led: ♠ 62.5% (8) · ♥ 100.0% (2) · ♦ 80.0% (5) · ♣ 100.0% (2)

vs par by strain: NT -0.30 (20) · a suit -1.16 (50)

vs par by level: part-score -0.58 (24) · game -1.33 (39) · slam +0.29 (7)

By role: declaring -0.24/bd (-3.53 vs par · 38) · defending +0.04/bd (+2.19 vs par · 32)

By vulnerability: vulnerable -0.38/bd (-0.71 vs par · 35) · not vulnerable +0.15/bd (-1.11 vs par · 35)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round 1Yoko SOBELOmer EKINCI – Ceyda ERYANIKClosed10+5.1+0.51-0.30
Round 2Yoko SOBELPiotr TUCZYNSKI – Aleksandra GORSKAClosed10-10.9-1.09-3.20
Round 3Yoko SOBELRobert Leonhard WINKLER – Jane MOSSClosed10+4.1+0.41-0.40
Round 4Yoko SOBELVictoria ZHUKOVSKA – Aleksei ZHUKOVSKIIOpen10+7.8+0.78+0.30
Round 6Yoko SOBELArturo WASIK – Almudena MARTORELLClosed10+0.0+0.00+0.80
Round 10Yoko SOBELEleliis ORMA – Rao ZVOROVSKIOpen10+14.5+1.45+1.00
Round 11Yoko SOBELPiotr ZATORSKI – Katarzyna DUFRATClosed10-28.7-2.87-4.60

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
+8.6Round 1CEYCEY104♠♦Q+1+0
+8.4Round 4UKRAINE43NT♥6-1+12
+8.3Round 6MSV214♥x♠K-2+9
+8.2Round 10ESTONIA316♥♠6-2+13
+8.0Round 10ESTONIA366♥♠7-1+13
+7.1Round 2EWSKA132♣♦A-1+6
+7.1Round 2EWSKA174♠♥7=+12
+5.2Round 3INCREDIBELLES N BROS273NT♠8-5+4
+4.9Round 1CEYCEY14♠♥J-2+0
+4.7Round 3INCREDIBELLES N BROS303NT♥5=+7
+4.6Round 10ESTONIA342♦♠Q-2+8
+4.3Round 6MSV293NT♦5=-1
+4.1Round 1CEYCEY86♦x♠3-1+0
+3.5Round 10ESTONIA353NT♥4=+2
+3.4Round 6MSV223NT♣3+1+1
+3.2Round 3INCREDIBELLES N BROS282♠♦6=+0
+2.9Round 3INCREDIBELLES N BROS224♣♠8=+6
+2.5Round 4UKRAINE14♠x♣6-2+0
+2.5Round 4UKRAINE83♥♦K=+6
+2.2Round 3INCREDIBELLES N BROS263NT♠J=+0
+1.8Round 6MSV233NT♠2-1+6
+1.7Round 1CEYCEY33NT♠8+3+2
+1.7Round 4UKRAINE22♥♦K=+1
+1.3Round 10ESTONIA393NT♦5+3+1
+1.2Round 2EWSKA194♥♦7-2-12
+1.2Round 11EDMONDS462♥♦J-1+4
+1.1Round 10ESTONIA376♥♦7+1-11
+1.0Round 4UKRAINE55♣x♦A-2+10
+1.0Round 6MSV283♠♣Q=+0
+0.9Round 10ESTONIA324♥♦Q+1+0
+0.4Round 3INCREDIBELLES N BROS244♠♦9+1+0
+0.4Round 4UKRAINE104♣♥K=+0
+0.1Round 4UKRAINE93NT♥K=-1
+0.0Round 1CEYCEY24♥♠4+1+0
-0.1Round 11EDMONDS414♥♣K+2-11
-0.3Round 2EWSKA183♠♣A-1-2
-0.3Round 10ESTONIA404♥♦J=+1
-0.3Round 11EDMONDS432♥♦9=-7
-0.5Round 6MSV273♣♥A+1-8
-0.7Round 10ESTONIA334♠♦K-1-4
-1.0Round 2EWSKA113NT♥3+3-11
-1.1Round 1CEYCEY72NT♥3+2-9
-1.1Round 11EDMONDS442♦♥A+1-5
-1.2Round 1CEYCEY93♠♦A=+10
-1.3Round 2EWSKA123♦♣7+1+0
-1.3Round 6MSV302♦♠6=+1
-1.4Round 11EDMONDS424♥♥6+1+0
-1.6Round 6MSV261NT♠8+1+0
-1.6Round 11EDMONDS485♦x♥4-2-10
-1.8Round 2EWSKA152♠♥K+1-1
-1.8Round 4UKRAINE74♥♣8+2-13
-2.0Round 3INCREDIBELLES N BROS254♠♥5-2-6
-2.0Round 11EDMONDS494♥♦Q-1-10
-2.1Round 1CEYCEY65♥♥T+1+13
-2.6Round 3INCREDIBELLES N BROS232NT♣K=+1
-3.1Round 3INCREDIBELLES N BROS292♠♣A=-6
-3.2Round 4UKRAINE33♦♥Q+1-7
-3.5Round 1CEYCEY43♦x♦6-1-7
-3.8Round 4UKRAINE63♦♠J-2-5
-4.2Round 11EDMONDS474♥♠4=+0
-6.3Round 1CEYCEY54♠♠5-1-12
-6.7Round 2EWSKA163NT♣4-1-10
-6.8Round 2EWSKA203NT♦J+1+0
-6.8Round 3INCREDIBELLES N BROS213NT♣K-3-10
-6.9Round 6MSV253NT♦9=+0
-8.4Round 2EWSKA145♥♦9-1-14
-8.5Round 6MSV246♥♣5=+0
-8.9Round 11EDMONDS504♥♠8=-7
-10.3Round 11EDMONDS456NT♥4=+0
-12.1Round 10ESTONIA386♠♦Q-1-13