🇺🇦 CHUMAK Yuliy · UKRAINE
36rank
+14.2Butler · 96 bds
+0.15per board
±4.2swing
+1.30vs par /bd · #6/91
+0.03adjusted /bd
by round
vs par split: bidding +0.91 · play +0.40
Strength of schedule: opponents averaged -0.12/bd (an easy draw) → opponent-adjusted +0.03/bd
Card play — on target: opening leads 66.7% #83 of 91 · declarer play 70.6% #56 of 91 · defence 91.1% #20 of 91
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 55.6% (9) | 77.8% (9) |
| Declarer play | 50.0% (4) | 76.9% (13) |
| Defence | 93.3% (15) | 90.0% (30) |
Opening leads by suit led: ♠ 50.0% (2) · ♥ 75.0% (4) · ♦ 66.7% (9) · ♣ 66.7% (3)
vs par by strain: NT +1.43 (28) · a suit +1.25 (68)
vs par by level: part-score +1.18 (40) · game +0.49 (49) · slam +7.71 (7)
By role: declaring +0.06/bd (-1.43 vs par · 51) · defending +0.25/bd (+4.40 vs par · 45)
By vulnerability: vulnerable -0.60/bd (+0.77 vs par · 48) · not vulnerable +0.90/bd (+1.83 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | O.Rovyshyn | S.Lassaberg – A.Dam | Open | 8 | -9.0 | -1.12 | +0.12 |
| Round 2 | O.Rovyshyn | D.Diklic – J.Caric | Open | 8 | +13.7 | +1.71 | +1.38 |
| Round 4 | O.Rovyshyn | V.Vainikonis – W.Olanski | Open | 8 | +12.7 | +1.59 | +3.75 |
| Round 5 | O.Rovyshyn | P.Lakatos – G.Homonnay | Closed | 8 | +1.5 | +0.19 | +0.25 |
| Round 7 | O.Rovyshyn | A.Vella – Y.Muscat Inglott | Closed | 8 | +4.9 | +0.61 | +1.75 |
| Round 9 | O.Rovyshyn | J.Pavsek – S.Rojko | Closed | 8 | +14.2 | +1.77 | +0.25 |
| Round 10 | O.Rovyshyn | R.Plumley – A.Hall | Open | 8 | -9.8 | -1.23 | +3.88 |
| Round 12 | O.Rovyshyn | J.Rumancik – J.Jakabsic | Closed | 8 | -20.5 | -2.56 | -1.25 |
| Round 13 | O.Rovyshyn | V.Micescu – E.Chelu | Open | 8 | +3.1 | +0.39 | +1.50 |
| Round 14 | O.Nyemtsev | S.Zoli – L.Stacchini | Closed | 8 | +1.1 | +0.14 | -0.75 |
| Round 16 | O.Nyemtsev | V.Levenko – S.Sester | Closed | 8 | -8.7 | -1.09 | +2.25 |
| Round 17 | O.Nyemtsev | D.Parezanin – M.Perisic | Open | 8 | +11.0 | +1.38 | +2.50 |
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 |
|---|---|---|---|---|---|---|---|
| +9.6 | Round 5 | 🇭🇺 HUNGARY | 2 | 6♠ | ♥3 | -2 | +14 |
| +8.6 | Round 9 | 🇸🇮 SLOVENIA | 3 | 6♠ | ♣5 | -1 | +13 |
| +6.5 | Round 2 | 🇭🇷 CROATIA | 9 | 5♦ | ♣K | -1 | +16 |
| +6.5 | Round 2 | 🇭🇷 CROATIA | 11 | 4♥ | ♠10 | -1 | +10 |
| +6.5 | Round 17 | 🇷🇸 SERBIA | 28 | 3NTx | ♦K | -1 | +11 |
| +6.2 | Round 4 | 🇱🇹 LITHUANIA | 26 | 3NT | ♥3 | -2 | +8 |
| +6.2 | Round 7 | 🇲🇹 MALTA | 19 | 3NT | ♦5 | -1 | +12 |
| +5.6 | Round 4 | 🇱🇹 LITHUANIA | 27 | 3NT | ♥5 | -1 | +11 |
| +5.6 | Round 12 | 🇸🇰 SLOVAKIA | 31 | 3NT | ♠3 | = | +0 |
| +5.5 | Round 2 | 🇭🇷 CROATIA | 14 | 6♥ | ♦Q | = | +0 |
| +5.5 | Round 17 | 🇷🇸 SERBIA | 29 | 2♦x | ♣7 | +2 | +10 |
| +5.2 | Round 9 | 🇸🇮 SLOVENIA | 5 | 4♥ | ♣K | +1 | +2 |
| +5.1 | Round 14 | 🇸🇲 SAN MARINO | 6 | 2♦x | ♥5 | -2 | +3 |
| +4.9 | Round 16 | 🇪🇪 ESTONIA | 21 | 4♥ | ♣K | = | +8 |
| +4.8 | Round 7 | 🇲🇹 MALTA | 24 | 4♣x | ♦9 | -2 | -3 |
| +4.6 | Round 4 | 🇱🇹 LITHUANIA | 30 | 3♠ | ♥4 | = | +0 |
| +4.6 | Round 7 | 🇲🇹 MALTA | 21 | 3♣ | ♥K | = | +1 |
| +4.5 | Round 9 | 🇸🇮 SLOVENIA | 4 | 4♣ | ♠J | = | +6 |
| +4.1 | Round 1 | 🇫🇴 FAROE ISLANDS | 6 | 4♥ | ♠A | = | +0 |
| +4.1 | Round 2 | 🇭🇷 CROATIA | 12 | 2♥ | ♠Q | = | +1 |
| +4.1 | Round 7 | 🇲🇹 MALTA | 17 | 3♥x | ♦A | -1 | +0 |
| +3.3 | Round 13 | 🇷🇴 ROMANIA | 36 | 4♥ | ♣J | = | +3 |
| +3.1 | Round 10 | GUERNSEY | 10 | 1♠ | ♥K | +4 | +10 |
| +3.1 | Round 13 | 🇷🇴 ROMANIA | 40 | 3NT | ♥2 | -2 | +11 |
| +2.4 | Round 13 | 🇷🇴 ROMANIA | 33 | 1♣ | ♥2 | = | +5 |
| +2.3 | Round 7 | 🇲🇹 MALTA | 18 | 3♠ | ♣A | +1 | +2 |
| +2.3 | Round 16 | 🇪🇪 ESTONIA | 22 | 3♥ | ♠A | -1 | +5 |
| +2.1 | Round 5 | 🇭🇺 HUNGARY | 6 | 4♣ | ♥K | = | +0 |
| +2.0 | Round 17 | 🇷🇸 SERBIA | 26 | 3NT | ♦10 | +1 | +0 |
| +1.8 | Round 9 | 🇸🇮 SLOVENIA | 1 | 3NT | ♣6 | +2 | +1 |
| +1.7 | Round 1 | 🇫🇴 FAROE ISLANDS | 3 | 3NT | ♥4 | = | +0 |
| +1.7 | Round 13 | 🇷🇴 ROMANIA | 37 | 3♦ | ♣4 | +1 | +7 |
| +1.6 | Round 14 | 🇸🇲 SAN MARINO | 8 | 3♥ | ♠Q | -1 | +2 |
| +1.5 | Round 2 | 🇭🇷 CROATIA | 16 | 3NT | ♦10 | +1 | -1 |
| +1.5 | Round 5 | 🇭🇺 HUNGARY | 5 | 3NT | ♦2 | = | -2 |
| +1.5 | Round 12 | 🇸🇰 SLOVAKIA | 27 | 2♠ | ♣Q | = | +5 |
| +1.4 | Round 14 | 🇸🇲 SAN MARINO | 7 | 2♦ | ♣A | = | -2 |
| +1.2 | Round 9 | 🇸🇮 SLOVENIA | 8 | 1NT | ♦9 | +2 | +7 |
| +1.1 | Round 1 | 🇫🇴 FAROE ISLANDS | 8 | 2♠ | ♠A | = | +0 |
| +1.1 | Round 17 | 🇷🇸 SERBIA | 32 | 5♠x | ♦Q | -1 | +2 |
| +0.9 | Round 10 | GUERNSEY | 9 | 1NT | ♦4 | -1 | +3 |
| +0.9 | Round 13 | 🇷🇴 ROMANIA | 38 | 4♥ | ♣K | = | +6 |
| +0.8 | Round 5 | 🇭🇺 HUNGARY | 8 | 2♥ | ♦2 | -1 | +2 |
| +0.8 | Round 14 | 🇸🇲 SAN MARINO | 4 | 4♠ | ♥8 | +1 | +0 |
| +0.8 | Round 17 | 🇷🇸 SERBIA | 30 | 2NT | ♦8 | +1 | +0 |
| +0.5 | Round 5 | 🇭🇺 HUNGARY | 3 | 1NT | ♣8 | = | +1 |
| +0.2 | Round 16 | 🇪🇪 ESTONIA | 17 | 2♥ | ♦K | -2 | -1 |
| +0.1 | Round 4 | 🇱🇹 LITHUANIA | 25 | 4♠ | ♥4 | = | +13 |
| +0.1 | Round 4 | 🇱🇹 LITHUANIA | 28 | 4♠ | ♥Q | +1 | +0 |
| +0.1 | Round 16 | 🇪🇪 ESTONIA | 20 | 4♠ | ♠4 | +2 | +1 |
| +0.0 | Round 5 | 🇭🇺 HUNGARY | 1 | 2♥ | ♣2 | -1 | +1 |
| +0.0 | Round 17 | 🇷🇸 SERBIA | 27 | 3NT | ♠3 | = | +2 |
| -0.1 | Round 1 | 🇫🇴 FAROE ISLANDS | 2 | 3NT | ♥5 | +1 | +0 |
| -0.1 | Round 2 | 🇭🇷 CROATIA | 13 | 4♠ | ♦7 | = | -1 |
| -0.2 | Round 10 | GUERNSEY | 14 | 3NT | ♦6 | +3 | +11 |
| -0.2 | Round 12 | 🇸🇰 SLOVAKIA | 32 | 1NT | ♠K | = | +1 |
| -0.3 | Round 16 | 🇪🇪 ESTONIA | 18 | 4♥ | ♦J | +1 | +0 |
| -0.4 | Round 4 | 🇱🇹 LITHUANIA | 32 | 3NT | ♥8 | +1 | -1 |
| -0.4 | Round 10 | GUERNSEY | 12 | 2♠ | ♥5 | +1 | +7 |
| -0.5 | Round 14 | 🇸🇲 SAN MARINO | 1 | 4♥ | ♦5 | +3 | -10 |
| -0.6 | Round 2 | 🇭🇷 CROATIA | 15 | 2♦ | ♥8 | = | -1 |
| -0.6 | Round 9 | 🇸🇮 SLOVENIA | 2 | 3♦ | ♠9 | -1 | +0 |
| -0.7 | Round 16 | 🇪🇪 ESTONIA | 24 | 3♣ | ♦K | +2 | -7 |
| -0.9 | Round 4 | 🇱🇹 LITHUANIA | 31 | 4♥ | ♦A | +2 | -1 |
| -0.9 | Round 12 | 🇸🇰 SLOVAKIA | 25 | 1NT | ♣10 | = | -2 |
| -1.2 | Round 14 | 🇸🇲 SAN MARINO | 3 | 3NT | ♣7 | = | +2 |
| -1.4 | Round 10 | GUERNSEY | 13 | 2♥ | ♠K | = | +1 |
| -1.4 | Round 10 | GUERNSEY | 15 | 2♥ | ♣2 | = | +7 |
| -1.4 | Round 14 | 🇸🇲 SAN MARINO | 5 | 3♥ | ♠K | = | -1 |
| -1.5 | Round 9 | 🇸🇮 SLOVENIA | 6 | 5♣ | ♣3 | +1 | -11 |
| -1.6 | Round 1 | 🇫🇴 FAROE ISLANDS | 7 | 6NT | ♥6 | = | +13 |
| -1.8 | Round 17 | 🇷🇸 SERBIA | 31 | 4♥ | ♥6 | = | +0 |
| -2.2 | Round 13 | 🇷🇴 ROMANIA | 39 | 3♥ | ♠3 | -2 | -2 |
| -2.5 | Round 1 | 🇫🇴 FAROE ISLANDS | 5 | 4♥ | ♣K | +2 | -2 |
| -2.6 | Round 4 | 🇱🇹 LITHUANIA | 29 | 4♥ | ♦4 | = | +0 |
| -2.8 | Round 13 | 🇷🇴 ROMANIA | 35 | 1NT | ♥A | -1 | -8 |
| -3.1 | Round 17 | 🇷🇸 SERBIA | 25 | 4♠ | ♠7 | -1 | -5 |
| -3.2 | Round 12 | 🇸🇰 SLOVAKIA | 26 | 3♣ | ♦7 | = | +1 |
| -3.3 | Round 10 | GUERNSEY | 16 | 4♠ | ♣2 | -1 | -4 |
| -3.3 | Round 13 | 🇷🇴 ROMANIA | 34 | 2♠ | ♦K | +2 | -10 |
| -3.6 | Round 12 | 🇸🇰 SLOVAKIA | 30 | 3♥ | ♣Q | +2 | +3 |
| -3.9 | Round 7 | 🇲🇹 MALTA | 20 | 4♠ | ♦J | = | +13 |
| -4.5 | Round 1 | 🇫🇴 FAROE ISLANDS | 1 | 7♦ | ♣9 | = | +2 |
| -4.6 | Round 7 | 🇲🇹 MALTA | 22 | 4♠ | ♥3 | -2 | -5 |
| -4.7 | Round 14 | 🇸🇲 SAN MARINO | 2 | 6♠ | ♦8 | = | +0 |
| -5.0 | Round 9 | 🇸🇮 SLOVENIA | 7 | 3NT | ♠J | +2 | -16 |
| -5.1 | Round 5 | 🇭🇺 HUNGARY | 7 | 4♠ | ♣Q | -1 | -6 |
| -5.8 | Round 16 | 🇪🇪 ESTONIA | 23 | 6♥ | ♦4 | = | +12 |
| -7.1 | Round 10 | GUERNSEY | 11 | 5♥ | ♣A | -1 | -4 |
| -7.2 | Round 1 | 🇫🇴 FAROE ISLANDS | 4 | 4♥ | ♣A | -1 | -12 |
| -7.9 | Round 5 | 🇭🇺 HUNGARY | 4 | 5♥x | ♠A | = | -8 |
| -8.6 | Round 7 | 🇲🇹 MALTA | 23 | 4♠ | ♣Q | -1 | -6 |
| -8.9 | Round 12 | 🇸🇰 SLOVAKIA | 28 | 3NT | ♦A | -4 | -11 |
| -9.4 | Round 16 | 🇪🇪 ESTONIA | 19 | 3NT | ♣9 | = | +0 |
| -9.7 | Round 2 | 🇭🇷 CROATIA | 10 | 3NT | ♦10 | -2 | -13 |
| -10.8 | Round 12 | 🇸🇰 SLOVAKIA | 29 | 3♥x | ♠Q | +1 | -7 |