SHEFFY Ron · ZADIKIM
213rank
+16.9Butler · 100 bds
+0.17per board
±5.3swing
-0.24vs par /bd · #356/553
-0.13adjusted /bd
by round
vs par split: bidding -0.40 · play +0.19
Strength of schedule: opponents averaged -0.30/bd (an easy draw) → opponent-adjusted -0.13/bd
Card play — on target: opening leads 88.5% #80 of 551 · declarer play 69.2% #380 of 551 · defence 80.8% #404 of 553
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 57.1% (7) | 100.0% (19) |
| Declarer play | 60.0% (5) | 71.4% (21) |
| Defence | 77.8% (18) | 82.4% (34) |
Opening leads by suit led: ♠ 66.7% (6) · ♥ 87.5% (8) · ♦ 100.0% (7) · ♣ 100.0% (5)
vs par by strain: NT +1.41 (27) · a suit -0.82 (72)
vs par by level: part-score -0.32 (31) · game +0.42 (55) · slam -2.62 (13)
By role: declaring -0.36/bd (-3.17 vs par · 47) · defending +0.64/bd (+2.36 vs par · 53)
By vulnerability: vulnerable +0.48/bd (+0.42 vs par · 50) · not vulnerable -0.14/bd (-0.90 vs par · 50)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | E.Zadik | A.Robson – A.Allfrey | Closed | 10 | -26.7 | -2.67 | -5.50 |
| Round 2 | E.Zadik | I.Grimsmo – I.Dyrkorn | Open | 10 | +4.4 | +0.44 | +1.10 |
| Round 3 | E.Zadik | W.Strzemecki – P.Zawada | Closed | 10 | -6.4 | -0.64 | +0.10 |
| Round 4 | E.Zadik | M.Sobczak – P.Marcinowski | Closed | 10 | -22.7 | -2.27 | -3.80 |
| Round 5 | E.Zadik | L.Rosenthal – M.Green | Open | 10 | +24.6 | +2.46 | +3.70 |
| Round 6 | E.Zadik | V.Mihov – G.Karakolev | Closed | 10 | -10.3 | -1.03 | -1.80 |
| Round 7 | E.Zadik | F.Dumitrascu – C.Marcu | Open | 10 | +11.5 | +1.15 | +1.20 |
| Round 8 | E.Zadik | S.Kang – D.Kim | Closed | 10 | +26.9 | +2.69 | +1.60 |
| Round 9 | E.Zadik | R.Constantinescu – G.Chipail | Open | 10 | +3.6 | +0.36 | +1.00 |
| Round 10 | E.Zadik | C.Pellegrini – S.Kustarov | Open | 10 | +12.0 | +1.20 | +0.00 |
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.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +10.8 | Round 10 | RICH | 5 | 6♦ | ♥K | -1 | +13 |
| +10.6 | Round 8 | SEOUL | 16 | 4♠x | ♥5 | -3 | -3 |
| +10.5 | Round 3 | ZAWADA | 23 | 5♦ | ♠3 | = | +10 |
| +10.3 | Round 7 | SPAIMA | 9 | 3NTx | ♦3 | -3 | +12 |
| +9.1 | Round 5 | ISRAEL GREEN | 16 | 5♣x | ♦5 | -3 | +8 |
| +9.0 | Round 1 | ALLFREY | 8 | 6♦ | ♦5 | = | -2 |
| +8.8 | Round 5 | ISRAEL GREEN | 14 | 6♦ | ♦5 | -1 | +14 |
| +8.4 | Round 2 | BREMNES | 19 | 3NT | ♥9 | +2 | +8 |
| +8.1 | Round 4 | ISRAPOL | 3 | 6♠ | ♦K | = | +0 |
| +8.1 | Round 8 | SEOUL | 18 | 5♠x | ♥K | -1 | +11 |
| +7.5 | Round 9 | 1 OVER 2 | 26 | 4♠x | ♠3 | -2 | +12 |
| +6.9 | Round 5 | ISRAEL GREEN | 20 | 4♥ | ♦5 | -2 | +13 |
| +6.8 | Round 8 | SEOUL | 20 | 4♥ | ♥3 | -2 | +8 |
| +6.6 | Round 8 | SEOUL | 19 | 1NT | ♦J | -3 | +11 |
| +5.6 | Round 10 | RICH | 3 | 5♣ | ♥2 | -1 | +10 |
| +5.3 | Round 2 | BREMNES | 12 | 2NT | ♠5 | +2 | +6 |
| +5.2 | Round 3 | ZAWADA | 26 | 3NT | ♦6 | -1 | +6 |
| +5.1 | Round 7 | SPAIMA | 2 | 3♠x | ♥K | -2 | +2 |
| +4.9 | Round 1 | ALLFREY | 2 | 5♥ | ♥8 | -2 | +6 |
| +4.9 | Round 9 | 1 OVER 2 | 21 | 2♠ | ♦A | -2 | +8 |
| +4.5 | Round 2 | BREMNES | 18 | 1NT | ♣10 | = | +5 |
| +4.2 | Round 3 | ZAWADA | 22 | 3NT | ♣6 | -1 | +12 |
| +3.5 | Round 6 | BALKAN STARS | 23 | 5♥ | ♣6 | -2 | +13 |
| +3.5 | Round 9 | 1 OVER 2 | 30 | 4♥ | ♠8 | = | +0 |
| +3.4 | Round 6 | BALKAN STARS | 22 | 5♦ | ♥7 | = | -1 |
| +3.2 | Round 2 | BREMNES | 17 | 2♠ | ♠2 | -2 | +5 |
| +2.8 | Round 8 | SEOUL | 12 | 4♥ | ♠K | = | +1 |
| +2.7 | Round 7 | SPAIMA | 8 | 4♥ | ♠9 | = | +0 |
| +2.7 | Round 8 | SEOUL | 13 | 4♥ | ♦8 | = | +0 |
| +2.3 | Round 5 | ISRAEL GREEN | 17 | 1NT | ♦5 | +2 | +1 |
| +2.1 | Round 5 | ISRAEL GREEN | 13 | 4♠ | ♦5 | +1 | +0 |
| +2.1 | Round 10 | RICH | 8 | 4♥ | ♦A | -4 | +3 |
| +2.0 | Round 1 | ALLFREY | 1 | 6♠ | ♦A | = | +0 |
| +1.8 | Round 4 | ISRAPOL | 7 | 3NT | ♥Q | = | -2 |
| +1.8 | Round 7 | SPAIMA | 5 | 3NT | ♠9 | +2 | +1 |
| +1.8 | Round 7 | SPAIMA | 6 | 3NT | ♦Q | +2 | +1 |
| +1.6 | Round 9 | 1 OVER 2 | 28 | 2♥ | ♠K | = | +5 |
| +1.4 | Round 5 | ISRAEL GREEN | 12 | 4♠ | ♦5 | +2 | +1 |
| +1.3 | Round 2 | BREMNES | 15 | 2♦ | ♥A | +1 | -1 |
| +1.2 | Round 10 | RICH | 4 | 3NT | ♠3 | +1 | +1 |
| +1.0 | Round 5 | ISRAEL GREEN | 19 | 3♠ | ♥K | -2 | +0 |
| +0.7 | Round 7 | SPAIMA | 4 | 3NT | ♦10 | = | +1 |
| +0.6 | Round 6 | BALKAN STARS | 25 | 4♥ | ♣10 | +2 | -8 |
| +0.5 | Round 6 | BALKAN STARS | 30 | 4♥ | ♦9 | -1 | +10 |
| +0.5 | Round 7 | SPAIMA | 7 | 2♦ | ♣5 | +3 | +10 |
| +0.2 | Round 4 | ISRAPOL | 10 | 4♠ | ♥2 | = | +0 |
| +0.2 | Round 6 | BALKAN STARS | 28 | 3NT | ♠7 | +1 | +0 |
| +0.1 | Round 2 | BREMNES | 11 | 4♠ | ♠4 | = | +1 |
| +0.1 | Round 9 | 1 OVER 2 | 27 | 4♥ | ♠J | +1 | +0 |
| +0.0 | Round 1 | ALLFREY | 7 | 4♥ | ♦4 | = | +0 |
| -0.0 | Round 10 | RICH | 10 | 4♠ | ♥5 | -1 | -5 |
| -0.1 | Round 10 | RICH | 6 | 3NT | ♥J | +1 | +1 |
| -0.2 | Round 3 | ZAWADA | 24 | 3NT | ♥4 | +2 | -1 |
| -0.3 | Round 8 | SEOUL | 17 | 2♣ | ♥6 | -1 | -2 |
| -0.3 | Round 9 | 1 OVER 2 | 29 | 3NT | ♥J | = | -1 |
| -0.4 | Round 2 | BREMNES | 20 | 1NT | ♦Q | = | +0 |
| -0.4 | Round 4 | ISRAPOL | 4 | 2♦ | ♣9 | = | +0 |
| -0.4 | Round 7 | SPAIMA | 3 | 1NT | ♣3 | = | +0 |
| -0.6 | Round 10 | RICH | 1 | 6♠ | ♥8 | = | -11 |
| -0.7 | Round 5 | ISRAEL GREEN | 18 | 4♠ | ♦5 | = | +0 |
| -0.7 | Round 6 | BALKAN STARS | 27 | 5♦ | ♥4 | = | -1 |
| -0.8 | Round 2 | BREMNES | 14 | 2♠ | ♦8 | -2 | -1 |
| -1.0 | Round 9 | 1 OVER 2 | 25 | 2♠ | ♣J | = | -1 |
| -1.0 | Round 10 | RICH | 7 | Pass | -3 | ||
| -1.2 | Round 8 | SEOUL | 14 | 3♦ | ♠5 | = | -5 |
| -1.3 | Round 4 | ISRAPOL | 2 | 2♦ | ♣3 | = | -11 |
| -1.5 | Round 8 | SEOUL | 15 | 1NT | ♣Q | = | -5 |
| -1.6 | Round 1 | ALLFREY | 10 | 3NT | ♠2 | -2 | +2 |
| -1.7 | Round 3 | ZAWADA | 21 | 2♠ | ♣6 | +1 | +0 |
| -1.7 | Round 3 | ZAWADA | 25 | 2♠ | ♣3 | -1 | +1 |
| -1.7 | Round 10 | RICH | 2 | 4♠ | ♦4 | -3 | -2 |
| -1.9 | Round 4 | ISRAPOL | 5 | 3♠ | ♣6 | = | +0 |
| -2.1 | Round 6 | BALKAN STARS | 24 | 3NT | ♥4 | +3 | -1 |
| -2.2 | Round 5 | ISRAEL GREEN | 15 | 1NT | ♦2 | -2 | +0 |
| -2.4 | Round 3 | ZAWADA | 28 | 4♠ | ♦K | = | +0 |
| -2.6 | Round 4 | ISRAPOL | 6 | 2♥ | ♠7 | -4 | -3 |
| -2.7 | Round 6 | BALKAN STARS | 21 | 1NT | ♥5 | +1 | +0 |
| -2.7 | Round 7 | SPAIMA | 10 | 3♥ | ♣K | = | -10 |
| -2.8 | Round 9 | 1 OVER 2 | 22 | 3♣ | ♠K | = | +0 |
| -2.9 | Round 4 | ISRAPOL | 9 | 4♥ | ♠7 | -1 | -10 |
| -3.1 | Round 6 | BALKAN STARS | 26 | 4♠ | ♦3 | +2 | -13 |
| -3.3 | Round 1 | ALLFREY | 9 | 5♦ | ♣6 | +1 | -11 |
| -3.8 | Round 3 | ZAWADA | 30 | 2♥ | ♥2 | +1 | -6 |
| -4.1 | Round 5 | ISRAEL GREEN | 11 | 3NT | ♦5 | = | +0 |
| -4.2 | Round 9 | 1 OVER 2 | 23 | 6♦ | ♣3 | = | +0 |
| -4.3 | Round 10 | RICH | 9 | 3♥ | ♣3 | +1 | -7 |
| -5.1 | Round 1 | ALLFREY | 3 | 3NT | ♠10 | +2 | -8 |
| -5.4 | Round 1 | ALLFREY | 6 | 4♠ | ♣5 | +2 | -11 |
| -5.7 | Round 3 | ZAWADA | 27 | 4♠ | ♦5 | -1 | -11 |
| -5.7 | Round 9 | 1 OVER 2 | 24 | 4♥ | ♣7 | -3 | -13 |
| -6.5 | Round 2 | BREMNES | 13 | 6♠ | ♦3 | = | +0 |
| -7.7 | Round 8 | SEOUL | 11 | 7♥ | ♥3 | = | +0 |
| -8.3 | Round 7 | SPAIMA | 1 | 4♥x | ♠A | = | -5 |
| -9.9 | Round 6 | BALKAN STARS | 29 | 6♥ | ♦6 | -4 | -17 |
| -10.7 | Round 2 | BREMNES | 16 | 4NT | ♣J | -3 | -12 |
| -10.8 | Round 3 | ZAWADA | 29 | 4♥x | ♠7 | +1 | -10 |
| -11.3 | Round 4 | ISRAPOL | 8 | 7♠ | ♠7 | = | +0 |
| -12.4 | Round 4 | ISRAPOL | 1 | 3♦x | ♣4 | -4 | -12 |
| -13.1 | Round 1 | ALLFREY | 4 | 6♦ | ♦8 | -1 | -17 |
| -14.1 | Round 1 | ALLFREY | 5 | 6♥ | ♠10 | -1 | -14 |