🇮🇱 HERTZKA Roni · ISRAEL
94rank
-42.0Butler · 160 bds
-0.26per board
±4.0swing
+0.00vs par /bd · #64/135
-0.30adjusted /bd
by round
vs par split: bidding +0.07 · play +0.00
Strength of schedule: opponents averaged -0.03/bd (an average draw) → opponent-adjusted -0.30/bd
Card play — on target: opening leads 87.1% #23 of 135 · declarer play 70.6% #80 of 135 · defence 87.1% #88 of 135
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 87.1% (31) |
| Declarer play | · | 70.6% (34) |
| Defence | · | 87.1% (62) |
Opening leads by suit led: ♠ 100.0% (6) · ♥ 76.9% (13) · ♦ 100.0% (8) · ♣ 75.0% (4)
vs par by strain: a suit +0.07 (120)
vs par by level: part-score -0.25 (61) · game +0.51 (45) · slam +0.07 (14)
By role: declaring -0.06/bd (-2.28 vs par · 76) · defending -0.47/bd (+2.05 vs par · 83)
By vulnerability: vulnerable +0.14/bd (+0.88 vs par · 82) · not vulnerable -0.68/bd (-0.92 vs par · 78)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | A.Rosler | M.Rozenblyum – V.Rapoport | Closed | 10 | +6.5 | +0.65 | +2.70 |
| Round 3 | A.Rosler | S.Armannsson – A.Jorgensen | Closed | 10 | +7.0 | +0.70 | +0.50 |
| Round 4 | A.Rosler | T.Pleksepp – T.Jullis | Open | 10 | -5.5 | -0.55 | -2.50 |
| Round 7 | A.Rosler | M.Ince – O.Ekinci | Closed | 10 | -12.8 | -1.28 | -6.50 |
| Round 8 | A.Rosler | G.Hashimoto – T.Andersson | Open | 10 | -9.4 | -0.94 | -0.30 |
| Round 9 | A.Rosler | A.Kaplan – G.Polet | Open | 10 | +6.1 | +0.61 | +2.60 |
| Round 10 | A.Rosler | I.Ilzins – A.Malinskis | Closed | 10 | +17.7 | +1.77 | +2.60 |
| Round 13 | A.Rosler | N.Buchlev – N.Schilhart | Closed | 10 | +18.4 | +1.84 | +3.50 |
| Round 14 | A.Rosler | I.Sime – J.Murdoch | Closed | 10 | -2.4 | -0.24 | +1.50 |
| Round 15 | A.Rosler | L.Folque – J.Henriques | Open | 10 | -34.1 | -3.41 | -3.20 |
| Round 17 | A.Rosler | B.O'Brien – R.Milne | Closed | 10 | -5.9 | -0.59 | +0.20 |
| Round 18 | A.Rosler | J.Mikkelsen – A.Farstad | Closed | 10 | -22.9 | -2.29 | -1.30 |
| Round 19 | A.Rosler | J.Foldi – A.Fogaras | Closed | 10 | -9.8 | -0.98 | -2.20 |
| Round 21 | A.Rosler | D.Mossop – G.Hallberg | Closed | 10 | +6.2 | +0.62 | +1.30 |
| Round 22 | A.Rosler | P.Schaltz – D.Schaltz | Closed | 10 | +9.9 | +0.99 | +1.80 |
| Round 23 | A.Rosler | M.Abecassis – A.Levy | Closed | 10 | -11.0 | -1.10 | -0.70 |
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 |
|---|---|---|---|---|---|---|---|
| +9.8 | Round 3 | 🇮🇸 ICELAND | 27 | 3N | ♥4 | = | +12 |
| +8.6 | Round 22 | 🇩🇰 DENMARK | 10 | 6♥ | ♦Q | = | +0 |
| +8.2 | Round 21 | 🏴 ENGLAND | 21 | 4♠ | ♥10 | -2 | +13 |
| +7.8 | Round 21 | 🏴 ENGLAND | 29 | 4♥ | ♠J | = | +9 |
| +7.7 | Round 7 | 🇹🇷 TURKEY | 4 | 6♥ | ♦K | = | -13 |
| +7.2 | Round 2 | 🇷🇺 RUSSIA | 19 | 4♠ | ♥5 | = | +0 |
| +6.8 | Round 4 | 🇪🇪 ESTONIA | 4 | 4♠x | ♦K | -2 | -4 |
| +6.8 | Round 4 | 🇪🇪 ESTONIA | 8 | 4♥ | ♠9 | = | +7 |
| +6.6 | Round 4 | 🇪🇪 ESTONIA | 6 | 4♠ | ♦10 | -1 | +11 |
| +6.4 | Round 14 | 🏴 SCOTLAND | 16 | 3♠ | ♣4 | = | +11 |
| +6.2 | Round 13 | 🇩🇪 GERMANY | 10 | 2♥ | ♦2 | +3 | +9 |
| +6.1 | Round 19 | 🇭🇺 HUNGARY | 7 | 4♠x | ♥K | +1 | +8 |
| +5.9 | Round 10 | 🇱🇻 LATVIA | 9 | 3N | ♠4 | = | +7 |
| +5.8 | Round 17 | 🇮🇪 IRELAND | 11 | 2♥x | ♦4 | -2 | +5 |
| +5.8 | Round 22 | 🇩🇰 DENMARK | 4 | 3♦ | ♥K | +2 | +10 |
| +5.5 | Round 23 | 🇫🇷 FRANCE | 11 | 3N | ♣5 | = | +3 |
| +5.2 | Round 13 | 🇩🇪 GERMANY | 8 | 4♥ | ♦6 | = | +8 |
| +5.0 | Round 2 | 🇷🇺 RUSSIA | 17 | 3N | ♦4 | = | +7 |
| +5.0 | Round 13 | 🇩🇪 GERMANY | 3 | 1Nx | ♠K | -1 | +7 |
| +4.5 | Round 10 | 🇱🇻 LATVIA | 7 | 6♠ | ♦3 | -1 | +17 |
| +4.4 | Round 21 | 🏴 ENGLAND | 23 | 2♠ | ♦K | -1 | +6 |
| +4.3 | Round 15 | 🇵🇹 PORTUGAL | 23 | 2♥ | ♦3 | +2 | +10 |
| +4.0 | Round 3 | 🇮🇸 ICELAND | 24 | 4♥x | ♣4 | -1 | +5 |
| +4.0 | Round 17 | 🇮🇪 IRELAND | 18 | 3N | ♠2 | -2 | +5 |
| +4.0 | Round 18 | 🇳🇴 NORWAY | 23 | 2♠ | ♠10 | +1 | +0 |
| +3.8 | Round 9 | 🇧🇪 BELGIUM | 29 | 3N | ♣5 | +1 | +1 |
| +3.7 | Round 10 | 🇱🇻 LATVIA | 10 | 4♠ | ♦5 | +1 | +1 |
| +3.4 | Round 10 | 🇱🇻 LATVIA | 6 | 3♥ | ♦A | +1 | +7 |
| +3.3 | Round 10 | 🇱🇻 LATVIA | 2 | 6♣x | ♠Q | -2 | +5 |
| +3.2 | Round 9 | 🇧🇪 BELGIUM | 26 | 6♣x | ♠A | -2 | +0 |
| +3.2 | Round 19 | 🇭🇺 HUNGARY | 10 | 3♣ | ♥8 | +1 | +10 |
| +3.0 | Round 13 | 🇩🇪 GERMANY | 1 | 2♠ | ♣5 | = | +0 |
| +2.7 | Round 3 | 🇮🇸 ICELAND | 28 | 3N | ♥K | -1 | +5 |
| +2.7 | Round 9 | 🇧🇪 BELGIUM | 22 | 4♠ | ♣K | +1 | +8 |
| +2.6 | Round 21 | 🏴 ENGLAND | 24 | 6♣ | ♠10 | = | -2 |
| +2.5 | Round 23 | 🇫🇷 FRANCE | 20 | 5♣ | ♥4 | = | +13 |
| +2.3 | Round 17 | 🇮🇪 IRELAND | 13 | 1N | ♠7 | -1 | +0 |
| +2.2 | Round 14 | 🏴 SCOTLAND | 17 | 3♥ | ♠K | -1 | +4 |
| +1.8 | Round 3 | 🇮🇸 ICELAND | 23 | 3♥ | ♦J | +2 | -7 |
| +1.8 | Round 3 | 🇮🇸 ICELAND | 26 | 6♥ | ♠Q | -2 | +13 |
| +1.7 | Round 8 | 🇨🇭 SWITZERLAND | 20 | 3♦ | ♦10 | -1 | +3 |
| +1.7 | Round 10 | 🇱🇻 LATVIA | 1 | 3♦ | ♠A | +1 | +7 |
| +1.7 | Round 21 | 🏴 ENGLAND | 30 | Pass | +3 | ||
| +1.7 | Round 23 | 🇫🇷 FRANCE | 18 | 2♠ | ♠4 | +1 | +0 |
| +1.5 | Round 2 | 🇷🇺 RUSSIA | 14 | 3♥ | ♠8 | -2 | +0 |
| +1.5 | Round 10 | 🇱🇻 LATVIA | 8 | 1N | ♥2 | = | -2 |
| +1.5 | Round 18 | 🇳🇴 NORWAY | 29 | 6♥ | ♦10 | -1 | +13 |
| +1.4 | Round 8 | 🇨🇭 SWITZERLAND | 17 | 2♠ | ♣4 | = | -1 |
| +1.4 | Round 13 | 🇩🇪 GERMANY | 5 | 4♠x | ♦A | -2 | -8 |
| +1.4 | Round 14 | 🏴 SCOTLAND | 18 | 4♥ | ♦5 | = | +0 |
| +1.4 | Round 15 | 🇵🇹 PORTUGAL | 25 | 1N | ♦6 | -1 | -2 |
| +1.3 | Round 2 | 🇷🇺 RUSSIA | 16 | 2♠ | ♥K | -1 | +4 |
| +1.3 | Round 9 | 🇧🇪 BELGIUM | 25 | 2N | ♠2 | = | +1 |
| +1.2 | Round 22 | 🇩🇰 DENMARK | 3 | 3♠ | ♥K | +1 | +10 |
| +1.2 | Round 22 | 🇩🇰 DENMARK | 9 | 4♠ | ♦8 | +1 | +0 |
| +1.1 | Round 4 | 🇪🇪 ESTONIA | 1 | 3N | ♠2 | +1 | +1 |
| +0.8 | Round 3 | 🇮🇸 ICELAND | 25 | 1N | ♠2 | +1 | +0 |
| +0.8 | Round 8 | 🇨🇭 SWITZERLAND | 15 | 3N | ♠10 | +1 | +1 |
| +0.8 | Round 10 | 🇱🇻 LATVIA | 5 | 2♥ | ♣6 | = | -1 |
| +0.7 | Round 7 | 🇹🇷 TURKEY | 7 | 2♠ | ♥A | = | -1 |
| +0.7 | Round 23 | 🇫🇷 FRANCE | 14 | 3N | ♣5 | +1 | -1 |
| +0.4 | Round 9 | 🇧🇪 BELGIUM | 21 | 3N | ♠7 | +1 | +12 |
| +0.3 | Round 3 | 🇮🇸 ICELAND | 21 | 4♠ | ♥8 | -1 | +0 |
| +0.3 | Round 14 | 🏴 SCOTLAND | 20 | 3N | ♠4 | +1 | +0 |
| +0.3 | Round 18 | 🇳🇴 NORWAY | 22 | 3N | ♦2 | +1 | +0 |
| +0.2 | Round 21 | 🏴 ENGLAND | 27 | 3♦ | ♦A | = | +0 |
| +0.1 | Round 13 | 🇩🇪 GERMANY | 4 | 2♥ | ♦4 | +2 | +8 |
| +0.1 | Round 19 | 🇭🇺 HUNGARY | 1 | 3N | ♠8 | +2 | -11 |
| +0.1 | Round 22 | 🇩🇰 DENMARK | 5 | 3N | ♦10 | +1 | +0 |
| -0.0 | Round 2 | 🇷🇺 RUSSIA | 11 | 4♥ | ♣6 | +1 | +0 |
| -0.0 | Round 7 | 🇹🇷 TURKEY | 6 | 4♥ | ♠J | +1 | +0 |
| -0.0 | Round 9 | 🇧🇪 BELGIUM | 23 | 4♠ | ♥3 | +2 | +17 |
| -0.0 | Round 10 | 🇱🇻 LATVIA | 4 | 3♠ | ♦K | = | -8 |
| -0.0 | Round 13 | 🇩🇪 GERMANY | 2 | 2♠ | ♦A | -1 | -2 |
| +0.0 | Round 22 | 🇩🇰 DENMARK | 7 | 4♠ | ♦K | +1 | +13 |
| +0.0 | Round 23 | 🇫🇷 FRANCE | 16 | 2♠ | ♦K | = | +0 |
| -0.1 | Round 13 | 🇩🇪 GERMANY | 7 | 4♥ | ♦4 | +1 | +1 |
| -0.2 | Round 17 | 🇮🇪 IRELAND | 17 | 4♥ | ♦7 | +1 | +0 |
| -0.3 | Round 2 | 🇷🇺 RUSSIA | 15 | 2♠ | ♣J | -1 | +2 |
| -0.3 | Round 8 | 🇨🇭 SWITZERLAND | 14 | 3N | ♥10 | +2 | +0 |
| -0.3 | Round 13 | 🇩🇪 GERMANY | 6 | 6N | ♦7 | +1 | +13 |
| -0.3 | Round 14 | 🏴 SCOTLAND | 13 | 3♦ | ♣3 | +1 | +10 |
| -0.3 | Round 19 | 🇭🇺 HUNGARY | 5 | 4♠ | ♥Q | +1 | +0 |
| -0.5 | Round 8 | 🇨🇭 SWITZERLAND | 11 | 4♠ | ♥6 | = | +0 |
| -0.6 | Round 4 | 🇪🇪 ESTONIA | 2 | 6♣ | ♦7 | +1 | -11 |
| -0.6 | Round 9 | 🇧🇪 BELGIUM | 30 | 6♦ | ♦3 | = | +2 |
| -0.6 | Round 14 | 🏴 SCOTLAND | 19 | 4♥ | ♣4 | = | +0 |
| -0.8 | Round 7 | 🇹🇷 TURKEY | 9 | 3N | ♠J | +1 | -1 |
| -0.9 | Round 2 | 🇷🇺 RUSSIA | 13 | 1♠ | ♦Q | -1 | -1 |
| -0.9 | Round 7 | 🇹🇷 TURKEY | 2 | 2♠ | ♥A | +2 | -6 |
| -0.9 | Round 9 | 🇧🇪 BELGIUM | 27 | 2♠ | ♥4 | +1 | -4 |
| -0.9 | Round 18 | 🇳🇴 NORWAY | 26 | 3♥ | ♥3 | = | +0 |
| -0.9 | Round 22 | 🇩🇰 DENMARK | 8 | 4♣ | ♦A | -1 | -4 |
| -1.1 | Round 8 | 🇨🇭 SWITZERLAND | 12 | 2♠ | ♥8 | +1 | +6 |
| -1.1 | Round 9 | 🇧🇪 BELGIUM | 24 | 4♠ | ♥10 | -2 | -6 |
| -1.1 | Round 17 | 🇮🇪 IRELAND | 14 | 4♠ | ♥10 | +1 | -1 |
| -1.2 | Round 19 | 🇭🇺 HUNGARY | 6 | 3♠ | ♣Q | -3 | +3 |
| -1.2 | Round 23 | 🇫🇷 FRANCE | 17 | 3♠ | ♦K | -1 | -5 |
| -1.3 | Round 3 | 🇮🇸 ICELAND | 22 | 5♦ | ♠7 | +1 | -11 |
| -1.4 | Round 17 | 🇮🇪 IRELAND | 19 | 3N | ♠5 | -2 | -6 |
| -1.4 | Round 23 | 🇫🇷 FRANCE | 12 | 3♦ | ♣8 | = | +0 |
| -1.5 | Round 2 | 🇷🇺 RUSSIA | 12 | 3♣ | ♥6 | -1 | +2 |
| -1.5 | Round 15 | 🇵🇹 PORTUGAL | 29 | 2♠ | ♥K | = | +0 |
| -1.5 | Round 21 | 🏴 ENGLAND | 28 | 5♥ | ♣2 | +1 | -5 |
| -1.5 | Round 22 | 🇩🇰 DENMARK | 1 | 3N | ♣6 | +2 | -1 |
| -1.6 | Round 21 | 🏴 ENGLAND | 26 | 2♦ | ♦5 | -1 | +1 |
| -1.7 | Round 17 | 🇮🇪 IRELAND | 12 | 3♥ | ♦4 | -2 | -2 |
| -1.9 | Round 8 | 🇨🇭 SWITZERLAND | 13 | 4♠ | ♥4 | -1 | +5 |
| -2.0 | Round 2 | 🇷🇺 RUSSIA | 18 | 3N | ♠2 | +3 | +13 |
| -2.0 | Round 14 | 🏴 SCOTLAND | 12 | 3♦ | ♣6 | = | +0 |
| -2.1 | Round 13 | 🇩🇪 GERMANY | 9 | 4♥ | ♦K | +1 | -1 |
| -2.2 | Round 8 | 🇨🇭 SWITZERLAND | 18 | 2♠ | ♥K | = | -5 |
| -2.2 | Round 22 | 🇩🇰 DENMARK | 2 | 6♥ | ♦9 | = | +0 |
| -2.3 | Round 7 | 🇹🇷 TURKEY | 3 | 3♠ | ♣5 | +3 | -9 |
| -2.3 | Round 8 | 🇨🇭 SWITZERLAND | 16 | 2♥ | ♣K | +2 | -6 |
| -2.4 | Round 14 | 🏴 SCOTLAND | 15 | 2♥ | ♦J | -1 | -5 |
| -2.4 | Round 18 | 🇳🇴 NORWAY | 28 | 4♦ | ♠A | = | +0 |
| -2.4 | Round 22 | 🇩🇰 DENMARK | 6 | 4♠ | ♦7 | -1 | -10 |
| -2.7 | Round 9 | 🇧🇪 BELGIUM | 28 | 3♥ | ♣6 | -1 | -5 |
| -2.7 | Round 19 | 🇭🇺 HUNGARY | 3 | 1N | ♦J | = | -5 |
| -2.9 | Round 3 | 🇮🇸 ICELAND | 29 | 4♠ | ♦8 | +2 | -1 |
| -2.9 | Round 7 | 🇹🇷 TURKEY | 5 | 4♥ | ♠6 | -3 | -11 |
| -2.9 | Round 19 | 🇭🇺 HUNGARY | 4 | 2♠ | ♣10 | -1 | -5 |
| -2.9 | Round 19 | 🇭🇺 HUNGARY | 8 | 4♠ | ♥J | -2 | -5 |
| -3.1 | Round 15 | 🇵🇹 PORTUGAL | 27 | 4♥ | ♠8 | = | +0 |
| -3.1 | Round 17 | 🇮🇪 IRELAND | 15 | 5♦ | ♠K | = | +11 |
| -3.2 | Round 4 | 🇪🇪 ESTONIA | 5 | 4♥ | ♦8 | +1 | +0 |
| -3.3 | Round 7 | 🇹🇷 TURKEY | 1 | 3N | ♥5 | = | -3 |
| -3.3 | Round 15 | 🇵🇹 PORTUGAL | 24 | 4♣ | ♣3 | +2 | -1 |
| -3.3 | Round 23 | 🇫🇷 FRANCE | 15 | 2♥ | ♦6 | -4 | +0 |
| -3.4 | Round 14 | 🏴 SCOTLAND | 11 | 4♥ | ♠3 | -1 | -5 |
| -3.4 | Round 18 | 🇳🇴 NORWAY | 27 | 2♠ | ♣A | -1 | -5 |
| -3.6 | Round 4 | 🇪🇪 ESTONIA | 7 | 2♠ | ♣6 | = | +0 |
| -3.6 | Round 21 | 🏴 ENGLAND | 25 | 5♣x | ♥K | -2 | -2 |
| -3.7 | Round 4 | 🇪🇪 ESTONIA | 10 | 2♥ | ♠K | = | -6 |
| -3.8 | Round 2 | 🇷🇺 RUSSIA | 20 | 2♥ | ♠5 | +1 | +0 |
| -3.8 | Round 15 | 🇵🇹 PORTUGAL | 28 | 4♠ | ♥K | = | -11 |
| -4.0 | Round 14 | 🏴 SCOTLAND | 14 | 3N | ♦5 | = | +0 |
| -4.0 | Round 15 | 🇵🇹 PORTUGAL | 30 | 3♠ | ♥J | = | +0 |
| -4.0 | Round 23 | 🇫🇷 FRANCE | 19 | 3N | ♠10 | +1 | -4 |
| -4.2 | Round 7 | 🇹🇷 TURKEY | 10 | 3♠ | ♣J | = | -10 |
| -4.2 | Round 17 | 🇮🇪 IRELAND | 20 | 3N | ♠8 | = | +0 |
| -4.2 | Round 18 | 🇳🇴 NORWAY | 25 | 3N | ♠J | = | +0 |
| -4.3 | Round 19 | 🇭🇺 HUNGARY | 2 | 3N | ♠10 | -1 | -5 |
| -4.7 | Round 4 | 🇪🇪 ESTONIA | 9 | 4♠ | ♥K | -1 | -6 |
| -4.7 | Round 18 | 🇳🇴 NORWAY | 21 | 4♠ | ♣Q | = | +0 |
| -4.8 | Round 18 | 🇳🇴 NORWAY | 24 | 3N | ♥9 | = | -7 |
| -4.9 | Round 19 | 🇭🇺 HUNGARY | 9 | 3♠ | ♥6 | = | -12 |
| -5.0 | Round 8 | 🇨🇭 SWITZERLAND | 19 | 2♠ | ♣A | -2 | -6 |
| -5.7 | Round 15 | 🇵🇹 PORTUGAL | 26 | 4♠ | ♣6 | +2 | -13 |
| -6.1 | Round 15 | 🇵🇹 PORTUGAL | 22 | 2♥ | ♦4 | -1 | -16 |
| -6.3 | Round 17 | 🇮🇪 IRELAND | 16 | 3N | ♠3 | -1 | -10 |
| -6.8 | Round 7 | 🇹🇷 TURKEY | 8 | 1N | ♥A | +1 | -11 |
| -7.1 | Round 10 | 🇱🇻 LATVIA | 3 | 4♠ | ♣9 | = | -7 |
| -8.3 | Round 18 | 🇳🇴 NORWAY | 30 | 6N | ♠J | -1 | -14 |
| -10.0 | Round 3 | 🇮🇸 ICELAND | 30 | 6♥ | ♦K | -1 | -11 |
| -11.0 | Round 4 | 🇪🇪 ESTONIA | 3 | 3N | ♦6 | -1 | -17 |
| -11.5 | Round 23 | 🇫🇷 FRANCE | 13 | 6♦ | ♠3 | -2 | -13 |
| -12.0 | Round 21 | 🏴 ENGLAND | 22 | 3♠ | ♦4 | +2 | -10 |
| -12.3 | Round 15 | 🇵🇹 PORTUGAL | 21 | 6♣ | ♠K | = | +1 |