Opening Report
Database: masters (534,122 games)
Report: 1.e4 e5 2.Nf3 Qe7 (52 games)
ECO: C40c [Open Game: Gunderam Defence]
Generated by Scid 3.6, 2004.03.15
1. Statistics and History
1.1 Statistics
Games 1-0 =-= 0-1 Score
-----------------------------------------------------------
All report games 52 29 12 11 67.3%
-----------------------------------------------------------
1.2 Oldest games
1: 1-0(37) Fuderer -- Puc, Belgrade SCG 1948 [17]
2: 1-0(37) Blatny -- Trapl, Jablonec 1962 [15]
3: 1-0(52) Ungnad -- Kiffmeyer, Hochspeyer 1967 [18]
4: 1-0(30) Harandi -- Ristoja, Stockholm SWE 1969 [17]
5: 1-0(70) Kostro -- Rodriguez, Siegen GER 1970 [30]
1.3 Newest games
1: 1-0(59) Ramirez 2483 -- Dominiguez 2313, Decameron DOM 2003.12.08 [20]
2: 0-1(37) Werner 2342 -- Poulsen 2252, Budapest HUN 2003.11.04 [25]
3: 1-0(44) Stripunsky 2543 -- Sulskis 2578, Los Angeles, CA USA 2003.08.10 [11]
4: 1-0(41) Mihailidis 2206 -- Aftsoglou 2235, Kallithea Chalkidiki GRE 2003.07.07 [17]
5: =-=(9) Borges Mateos 2453 -- Gonzalez Rodriguez 2353, Havana CUB 2003.05.18 [25]
1.4 Current popularity
Year 1800-99 1900-49 1950-69 1970-79 1980-89 1990-99 2000-09
Once every X games --- 7973 11118 7101 15604 10692 8967
Frequency in all years: once every 10271 games
In the 10 years to today: once every 7916 games (up 30% from all years)
In the 5 years to today: once every 7825 games (up 31% from all years)
In the 1 year to today: once every 7817 games (up 31% from all years)
1.5 Most frequent players (White)
| 1: | 2 | 1996-2002 | 25% | 2581 | Pavasovic, Dusko [13,22] |
| 2: | 2 | 1978 | 100% | 2500 | Sigurjonsson, Gudmundur [2] |
| 3: | 2 | 1970-1973 | 100% | | Kostro, Jerzy [14,30] |
| 4: | 1 | 2003 | 100% | 2543 | Stripunsky, Alexander [11] |
| 5: | 1 | 1999 | 100% | 2522 | Vescovi, Giovanni [20] |
| 6: | 1 | 1999 | 0% | 2521 | Acs, Peter [20] |
1.6 Most frequent players (Black)
| 1: | 6 | 1978-2003 | 25% | 2428 | Gonzalez Rodriguez, Jorge A [2,3,4,5,6,25] |
| 2: | 4 | 1996-1999 | 63% | 2335 | Soldatenkov, Kusma [12,19,20] |
| 3: | 3 | 2002 | 33% | 2331 | Khouseinov, Rashid [10,13,27] |
| 4: | 2 | 2001-2003 | 50% | 2578 | Sulskis, Sarunas [1,11] |
| 5: | 2 | 1986 | 25% | 2420 | Mascarenhas, Alberto [1,26] |
| 6: | 2 | 1973-1999 | 0% | 2405 | Camara, Helder [17,20] |
2. Ratings and Performance
2.1 Average ratings and performance
White rating: 2395 (41 games); White performance: 2440 (61% vs 2360)
Black rating: 2360 (40 games); Black performance: 2308 (38% vs 2395)
2.2 Games with highest average rating
1: 0-1(35) Alburt -- Kupreichik, ? 1971 [14]
2: 1-0(44) Stripunsky 2543 -- Sulskis 2578, Los Angeles, CA USA 2003 [11]
3: 0-1(32) Acs 2521 -- Varga 2518, Lillafured HUN 1999 [20]
4: 1-0(19) Ioseliani 2310 -- Mascarenhas, Sao Paulo BRA 1986 [1]
5: 1-0(32) Sigurjonsson -- Gonzales, ? 1978 [2]
6: =-=(74) Fernandez -- Cuartas, Cienfuegos City CUB 1975 [7]
7: 0-1(40) Tate 2377 -- Sulskis 2573, Las Vegas, NV USA 2001 [1]
8: =-=(42) Morovic Fernandez 2515 -- Mascarenhas 2420, Sao Paulo BRA 1986 [26]
3. Result Trends
3.1 Result lengths and frequencies
Score Game length Frequency
1-0 =-= 0-1 1-0 =-= 0-1
Report games 67.3% 38 46 36 55.7% 23.0% 21.1%
All games 55.2% 42 34 43 33.3% 39.0% 23.2%
3.2 Shortest wins (White)
1: 1-0(10) Lopez -- Valdivia 2285, Fuerteventura 1992 [9]
2: 1-0(19) Ioseliani 2310 -- Mascarenhas, Sao Paulo BRA 1986 [1]
3: 1-0(22) Garcia 2495 -- Van Schaardenburg 2295, Amsterdam NED 1996 [15]
4: 1-0(23) Prandstetter 2435 -- Tibensky 2330, Sumperk 1984 [12]
5: 1-0(23) Tsuboi 2307 -- Pinheiro, Sao Paulo BRA 2000 [9]
3.3 Shortest wins (Black)
1: 0-1(25) Rohonyan 2340 -- Kononenko 2361, Kramatorsk UKR 2001 [27]
2: 0-1(27) Pavasovic 2425 -- Loncar 2455, Maribor 1996 [22]
3: 0-1(32) Acs 2521 -- Varga 2518, Lillafured HUN 1999 [20]
4: 0-1(35) Alburt -- Kupreichik, ? 1971 [14]
5: 0-1(35) Khmelnitski 2444 -- Soldatenkov 2335, St Petersburg RUS 1999 [20]
4. Moves and Themes
4.1 Move orders reaching the report position
There was only one move order reaching this position:
1: 1.e4 e5 2.Nf3 Qe7 (52)
4.2 Moves from the report position
Move ECO Frequency Score AvElo Perf AvYear %Draws
1: Nc3 C40d 30: 57.6% 66.6% 2414 2479 1990 20%
2: Bc4 19: 36.5% 71.0% 2376 2517 1994 26%
3: c4 2: 3.8% 50.0% 1994 0%
4: b3 1: 1.9% 50.0% 1988 100%
_______________________________________________________________
TOTAL: 52:100.0% 67.3% 2394 2485 1991 23%
4.3 Positional Themes
Frequency of themes in the first 20 moves of each game:
| Same-side castling: | 38% | White Isolated Queen Pawn: | 0% |
| Opposite castling: | 19% | Black Isolated Queen Pawn: | 2% |
| Kingside pawn storm: | 4% | White Pawn on 5/6/7th rank: | 56% |
| Queens exchanged: | 42% | Black Pawn on 2/3/4th rank: | 25% |
| Only one side has Bishop pair: | 6% | Open c/d/e file: | 71% |
4.4 Endgames
Material at the end of each game:
| | P | BN | R | R,BN | Q | Q,BN | Q,R | Q,R,BN |
| Report games | 2% | 6% | 6% | 35% | 0% | 8% | 4% | 40% |
| All games | 2% | 9% | 9% | 26% | 2% | 5% | 4% | 44% |
5. Theory Table
1.e4 e5 2.Nf3 Qe7: +29 =12 -11 (35/52: 67%)
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|
| 1 |
Bc41
h62 |
OO
d6 |
d4
Bg43 |
c3
c6 |
Re1
g5 |
dxe5
dxe5 |
Nbd2
Nd7 |
Nf1
Bh54 |
8: 63% |
|---|
| 2 |
...
... |
...
Nf6 |
d45
d6 |
Re16
c6 |
a4
Qc7 |
b3
Bg4 |
Bb2
Nbd7 |
Nbd2
Be77 |
3: 83% |
|---|
| 3 |
...
d6 |
Nc38
c6 |
d49
h610 |
a4
g5 |
h3
Nd7 |
b3
Qf6 |
Bb2
Ne7 |
Qd2
Ng611 |
6: 75% |
|---|
| 4 |
...
... |
OO
Nh612 |
d4
g6 |
Nc3
c6 |
a4
a5 |
h3
f6 |
dxe5
dxe5 |
b3
Nf713 |
5: 60% |
|---|
| 5 |
Nc3
c614 |
Be2
g615 |
d4
d6 |
dxe5
dxe5 |
Bg5
f6 |
Be3
Nh6 |
Nd2
Be6 |
OO
Nf716 |
6: 58% |
|---|
| 6 |
...
... |
Bc4
d617 |
h318
Be6 |
Be2
h6 |
d4
Qc7 |
OO
Ne7 |
a4
g5 |
Be3
a519 |
6: 100% |
|---|
| 7 |
...
... |
d4
d6 |
h320
Nf621 |
Bg5
h622 |
Be3
Qc7 |
Qd2
Be7 |
g4
b5 |
a3
Nbd723 |
9: 61% |
|---|
| 8 |
...
... |
...
... |
Bg5
Nf624 |
Qd225
Nbd7 |
OOO
g6 |
h4
h6 |
Be3
Ng4 |
g3
Bg726 |
4: 38% |
|---|
| 9 |
...
... |
...
... |
Be2
Nf627 |
OO
Qc728 |
a4
Be729 |
h3
Nbd7 |
a5
Nf8 |
Be3
Ng630 |
5: 70% |
|---|
- 3.c4 Nf6 4.Nc3 c6 5.Be2 g6 6.d4 d6 7.OO Bg4 8.d5 c5 9.Rb1 Bg7 10.Ne1 Bxe2 11.Qxe2 OO 1-0(19) Ioseliani 2310 -- Mascarenhas, Sao Paulo BRA 1986;
3...d6 4.Nc3 c6 5.d4 g6 6.Be2 Bg7 7.Bg5 f6 8.Be3 Nh6 9.h3 OO 10.Qd2 Nf7 11.g4 Na6 0-1(40) Tate 2377 -- Sulskis 2573, Las Vegas, NV USA 2001.
3.b3 Nf6 4.Nc3 d6 5.Be2 c6 6.OO Qc7 7.d4 Be7 8.h3 OO 9.Bb2 b5 10.a3 a6 11.Qd2 Re8 =-=(46) Rodriguez 2315 -- Gomez 2295, ? 1988.
- 3...c6 4.OO d6 5.d4 Bg4 6.c3 Nf6 7.Re1 g6 8.dxe5 dxe5 9.h3 Bxf3 10.Qxf3 Nbd7 11.a4 Nh5 1-0(32) Sigurjonsson 2500 -- Gonzalez Rodriguez, Bogota COL 1978;
1-0(32) Sigurjonsson -- Gonzales, ? 1978.
3...g6 4.d4 d6 5.dxe5 dxe5 6.Nc3 c6 7.OO Nh6 8.a4 f6 9.Qe2 Nf7 10.Be3 a5 11.Rfd1 Nd7 =-=(65) Illijin 2282 -- Dostan 2356, Pancevo YUG 2003.
- 5...Nf6 6.Re1 c6 7.c3 g5 8.dxe5 dxe5 9.Nbd2 Bg4 10.Nf1 Bh5 11.Ng3 Bg6 0-1(41) Fernandez Siles 2236 -- Gonzalez Rodriguez 2391, Mancha Real ESP 2002.
- 11.Ng3 Bg6 1-0(47) Almagro Mazariegos 2292 -- Gonzalez Rodriguez 2391, Mancha Real ESP 2002.
- 5.Re1 c6 6.d4 d6 7.b3 Bg4 8.Bb2 Nbd7 9.Nbd2 g5 10.Be2 OOO 11.a4 Bh5 1-0(48) Rodriguez Guerrero 2295 -- Gonzalez Rodriguez 2428, Mancha Real ESP 2001.
- 6.Nc3 c6 7.a4 Bg4 8.Be3 Nbd7 9.d5 c5 10.a5 a6 11.h3 Bh5 1-0(38) Ortega Valle -- Gonzalez Rodriguez 2390, Dos Hermanas ESP 1998.
- 11.Be2 OO =-=(74) Fernandez -- Cuartas, Cienfuegos City CUB 1975.
- 4.d3 h6 5.Nc3 c6 6.a4 Nf6 7.OO Bg4 8.h3 Bd7 9.d4 g5 10.b3 g4 11.hxg4 Nxg4 1-0(60) Gara 2299 -- Parkanyi 2362, Budapest HUN 2000.
4.h3 g6 5.d4 Bg7 6.dxe5 dxe5 7.b3 Nf6 8.Ba3 c5 9.Bb5+ Nbd7 10.Nbd2 OO 11.OO a6 0-1(42) Sziebert 2300 -- Czebe 2345, Budapest HUN 1996.
- 5.a4 Bg4 6.h3 Bxf3 7.Qxf3 Nf6 8.d3 Nbd7 9.Be3 g6 10.g4 Bg7 11.OOO OO 1-0(23) Tsuboi 2307 -- Pinheiro, Sao Paulo BRA 2000;
5...h6 6.OO g5 7.d4 Bg4 8.dxe5 dxe5 9.Be3 Nd7 10.a5 1-0 Lopez -- Valdivia 2285, Fuerteventura 1992.
- 5...g6 6.Bg5 f6 7.Be3 Nh6 8.Qd2 Ng4 9.OOO Nd7 10.dxe5 dxe5 11.Kb1 Nxe3 =-=(70) Radulski 2487 -- Khouseinov 2331, Bled SLO 2002.
- 11.Ne2 Be7 1-0(44) Stripunsky 2543 -- Sulskis 2578, Los Angeles, CA USA 2003.
- 4...Be6 5.Bxe6 Qxe6 6.d4 Be7 7.d5 Qc8 8.c4 Nf6 9.Nc3 Nbd7 10.Be3 OO 11.Ne1 Ne8 0-1(40) Yemelin 2460 -- Soldatenkov 2335, St. Petersburg RUS 1996.
4...h6 5.d4 Nf6 6.Re1 Bg4 7.c3 Nbd7 8.Nbd2 Nb6 9.Bb3 g6 10.h3 Bxf3 11.Nxf3 Bg7 =-=(44) Cherniaev 2432 -- Soldatenkov 2335, St Petersburg RUS 1999.
4...g6 5.d4 Bg7 6.dxe5 dxe5 7.b3 Bg4 8.h3 Bxf3 9.Qxf3 Nc6 10.Ba3 Qf6 11.Bb5 Qe6 1-0(23) Prandstetter 2435 -- Tibensky 2330, Sumperk 1984.
4...c6 5.Re1 Qc7 6.h3 Be7 7.d4 Nf6 8.a4 OO 9.Nc3 Nbd7 10.Bg5 h6 11.Bh4 a5 1-0(27) Zielinski 2200 -- Sygulski 2200, Lubniewice POL 1981.
- 11.Nd2 Be6 =-=(46) Pavasovic 2581 -- Khouseinov 2331, Bled SLO 2002.
- 3...Nf6 4.Bc4 h6 5.OO d6 6.d4 Bg4 7.dxe5 dxe5 8.Nd5 Qd6 9.c3 c6 10.Nxf6+ Qxf6 11.Be2 Be6 0-1(35) Alburt -- Kupreichik, ? 1971;
6.h3 c6 7.a4 g5 8.d4 g4 9.dxe5 dxe5 10.Nh4 gxh3 11.g3 Bg4 1-0(38) Kostro -- Manasterski, Gdynia POL 1973;
5...c6 6.d4 d6 7.a4 g5 8.dxe5 dxe5 9.b3 Qc7 10.Bb2 Bg4 11.Qd3 Nbd7 =-=(45) Maric 2260 -- Stefanova 2365, Belgrade SCG 1995.
- 4...d6 5.OO g5 6.d4 h6 7.a4 Qf6 8.Be3 Nd7 9.a5 Ne7 10.a6 b6 11.d5 c5 1-0(22) Garcia 2495 -- Van Schaardenburg 2295, Amsterdam NED 1996.
4...f5 5.d4 d6 6.Bg5 Nf6 7.dxe5 dxe5 8.Nh4 Qf7 9.Nxf5 Bxf5 10.exf5 Bb4 11.Bxf6 Qxf6 1-0(37) Blatny -- Trapl, Jablonec 1962.
- 11.f3 Bg7 0-1(46) Konguvel 2371 -- Isaev 2454, Calcutta IND 2001.
- 4...b5 5.Bb3 d6 6.OO a6 7.a4 Bb7 8.d4 b4 9.Ne2 h6 10.Nd2 Nd7 11.f4 Ngf6 1-0(37) Fuderer -- Puc, Belgrade SCG 1948.
4...g6 5.d4 d6 6.dxe5 dxe5 7.Bg5 Nf6 8.h3 Bg7 9.OO OO 10.Qd2 Nbd7 11.Rad1 Nb6 1-0(52) Yanofsky 2460 -- Camara 2405, Netanya ISR 1973.
4...f5 5.d3 g6 6.OO f4 7.d4 d6 8.b3 b5 9.Bxg8 Rxg8 10.dxe5 dxe5 11.Nxb5 cxb5 1-0(30) Harandi -- Ristoja, Stockholm SWE 1969.
4...h6 5.OO d6 6.d4 Nf6 7.Ne2 Qc7 8.Ng3 Be7 9.Nh4 g6 10.Nf3 Nbd7 11.a4 Nf8 1-0(41) Mihailidis 2206 -- Aftsoglou 2235, Kallithea Chalkidiki GRE 2003.
- 5.OO Nd7 6.d4 g6 7.Ng5 Nh6 8.f4 Nf6 9.fxe5 dxe5 10.Be3 Bg7 11.Qd2 OO 1-0(52) Ungnad -- Kiffmeyer, Hochspeyer 1967.
- 11.d5 Bd7 1-0(37) Shinkevich 2428 -- Soldatenkov 2335, St Petersburg RUS 1999.
- 5.Bc4 Bg4 6.dxe5 dxe5 7.h3 Bh5 8.OO Nf6 9.a4 Qc7 10.Qd3 Nbd7 11.Nh4 OOO 0-1(32) Acs 2521 -- Varga 2518, Lillafured HUN 1999;
5...g6 6.Bg5 f6 7.Be3 Nh6 8.OO Bg7 9.a4 Nd7 10.a5 Nf8 11.Bb3 Bg4 1-0(33) Georgiev 2470 -- Latas 2325, Myslenice 1987;
5...h6 6.h3 Qc7 7.OO Be7 8.a4 Nf6 9.dxe5 dxe5 10.Nh4 g5 11.Nf5 Bxf5 0-1(35) Khmelnitski 2444 -- Soldatenkov 2335, St Petersburg RUS 1999.
5.a4 Bg4 6.Be2 Nf6 7.a5 Bxf3 8.Bxf3 Qc7 9.OO Be7 10.Ne2 a6 11.g3 Nbd7 1-0(53) Vescovi 2522 -- Camara 2345, Sao Paulo BRA 1999;
5...a5 6.Be2 Qc7 7.OO Be7 8.Be3 Nf6 9.Nd2 OO 10.Nc4 Nbd7 11.Qd2 Nxe4 1-0(25) Nikolenko 2475 -- Sadiku 2380, Berlin GER 1995.
5.dxe5 dxe5 6.Bc4 Bg4 7.h3 Bh5 8.Bg5 Nf6 9.Qd3 Qc7 10.g4 Bg6 11.Bxf6 gxf6 1-0(59) Ramirez 2483 -- Dominiguez 2313, Decameron DOM 2003.
- 5...h6 6.a4 Nf6 7.Bd3 Qc7 8.OO Be7 9.Be3 OO 10.Nd2 Nbd7 11.f4 exd4 1-0(44) Vratonjic 2432 -- Puzic 2233, Leskovac YUG 2002.
- 6...Qc7 7.Qd2 Be7 8.Bd3 Nbd7 9.OO Nf8 10.Ne2 h6 11.Be3 Nh5 0-1(27) Pavasovic 2425 -- Loncar 2455, Maribor 1996.
- 11.Bg2 Nb6 =-=(42) Efimov 2520 -- Orlov 2367, Porto San Giorgio ITA 2000.
- 5...Qc7 6.Bc4 Bg4 7.dxe5 dxe5 8.h3 Bd7 9.OO h6 10.Bh4 g5 11.Bg3 Bg7 =-=(34) Hellers 2200 -- Hector 2295, Uppsala 1985.
- 6.h3 h6 7.Be3 b5 8.a3 a6 9.Be2 =-= Borges Mateos 2453 -- Gonzalez Rodriguez 2353, Havana CUB 2003.
6.d5 h6 7.Bxf6 Qxf6 8.Nd2 c5 9.Bb5+ Nd7 10.a4 a6 11.Be2 Be7 0-1(37) Werner 2342 -- Poulsen 2252, Budapest HUN 2003.
- 11.d5 c5 =-=(42) Morovic Fernandez 2515 -- Mascarenhas 2420, Sao Paulo BRA 1986.
- 5...g6 6.a4 Nh6 7.h3 f6 8.Be3 Nf7 9.a5 Bg7 10.b4 OO 11.d5 f5 1-0(47) Kristjansson 2431 -- Khouseinov 2331, Bled SLO 2002;
6.OO Bg7 7.a4 Nf6 8.dxe5 dxe5 9.b3 c5 10.Bg5 Be6 11.Bb5+ Kf8 0-1(25) Rohonyan 2340 -- Kononenko 2361, Kramatorsk UKR 2001.
- 6...h6 7.a4 Bg4 8.a5 Nbd7 9.Re1 g5 10.b3 Bxf3 11.Bxf3 Bg7 1-0(29) Brodsky 2512 -- Tobak 2421, Polanica Zdroj POL 1999.
- 7...a5 8.Re1 Be7 9.h3 OO 10.Bc4 Nbd7 11.Qe2 h6 =-=(44) Sepman 2225 -- Orlov 2360, St Petersburg RUS 1999.
- 11.Qd2 OO 1-0(70) Kostro -- Rodriguez, Siegen GER 1970.
