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Player Profile

Player:

(Eg: Carlsen,Magnus)

Gruchacz, Robert



Years:	1971-1989
Number of games:	98
Number of wins:	23
Number of draws:	40
Number of losses:	35
White score:	26½/53 (50% - Average Elo: 2377.36)
Black score:	16½/45 (36.67% - Average Elo: 2397.5)

Rating progression

Games
White wins
White draws
White losses
Black wins
Black draws
Black losses

Top wins

Gruchacz, Robert (2400) - Lombardy, William James (2540), Lone Pine op Louis D. Statham Masters, Lone Pine (C68) - 1978

Gruchacz, Robert (2365) - Matulovic, Milan (2465), Pula tt, Pula (B48) - 1980

Gruchacz, Robert - Biyiasas, Peter (2460), Lone Pine op Louis D. Statham Masters, Lone Pine (C68) - 1976

Garcia, Gildardo (2365) - Gruchacz, Robert (2400), Lone Pine op Louis D. Statham Masters, Lone Pine (B33) - 1978

Giles, Morris (2265) - Gruchacz, Robert (2335), Illinois, Illinois (B28) - 1986

Terrie, Henry L (2250) - Gruchacz, Robert (2325), US Open-90, Chicago (A37) - 1989

Gruchacz, Robert - ? (50)

Barnes, Craig N (1/2)

Fedorowicz, John P (1½/2)

Shamkovich, Leonid Alexandrovic (1/2)

Alburt, Lev O (½/1)

Bachler, Kevin L (1/1)

Benjamin, Joel (½/1)

Bennett, Terence B (1/1)

Bersbach, Emil (0/1)

Binet Tapaszto, Laszlo (0/1)

Biyiasas, Peter (1/1)

Burger, Karl (½/1)

Chow, Albert (1/1)

Cunningham, Robin J (½/1)

Dandridge, Marvin (1/1)

De Fotis, Gregory (½/1)

Diesen, Mark C (½/1)

Dzindzichashvili, Roman (½/1)

Ermenkov, Evgenij (½/1)

Gonzales, James A (1/1)

Kaplan, Lael (1/1)

Karklins, Andrew (½/1)

Kaushansky, Leonid (1/1)

La Rota, Fabio (0/1)

Lewter, V Gene (½/1)

Lombardy, William James (1/1)

Matera, Salvatore Joseph (½/1)

Matulovic, Milan (1/1)

Mestrovic, Zvonimir (0/1)

Meyer, J (½/1)

Miles, Anthony John (0/1)

Morris, Walter D (0/1)

Povah, Nigel Edward (0/1)

Powell, Charles (0/1)

Roy, David W (0/1)

Schiller, Eric Andrew (0/1)

Seirawan, Yasser (1/1)

Silman, Jeremy D (½/1)

Sisniega, Marcel (0/1)

Speelman, Jonathan S (½/1)

Taulbut, Shaun M (½/1)

Tisdall, Jonathan D (½/1)

Tomas, John (0/1)

Van der Vliet, Fredrik (0/1)

Watson, William N (0/1)

Whitehead, Paul A (1/1)

Zuckerman, Bernard (½/1)

? - Gruchacz, Robert (41)

Chandler, Murray G (½/3)

Mednis, Edmar John (1/2)

Zaltsman, Vitaly F (½/2)

Alburt, Lev O (½/1)

Balinas, Rosendo Carrean (½/1)

Bellin, Robert (0/1)

Brown, James1 (½/1)

Christiansen, Larry Mark (0/1)

Colias, Billy (1/1)

Cummings, David H (½/1)

Day, Lawrence A (0/1)

Diesen, Mark C (1/1)

Dzindzichashvili, Roman (0/1)

Fedorowicz, John P (½/1)

Fritzinger, Dennis (½/1)

Garcia, Gildardo (1/1)

Garcia, Luis E (½/1)

Giles, Morris (1/1)

Goodman, David SC (½/1)

Jacobs, Daniel R (0/1)

Keene, Raymond (½/1)

La Rota, Fabio (½/1)

Martinovsky, Eugene Simeon (0/1)

Martz, William E (0/1)

McCambridge, Vincent (0/1)

Milton, John (½/1)

Najdorf, Miguel (0/1)

Odendahl, Steven M (0/1)

Pavlovic, Slobodan (½/1)

Pelts, Peter (1/1)

Piasetski, Leon David (0/1)

Rogoff, Kenneth (0/1)

Schiller, Eric Andrew (½/1)

Speelman, Jonathan S (0/1)

Sulman, Robert M (½/1)

Szmetan, Ricardo (½/1)

Terrie, Henry L (1/1)

Watson, John L (0/1)

Westerinen, Heikki MJ (0/1)

Winslow, Elliott C (1/1)

Zapata, Alonso (0/1)

Openings played as White (42)

B02 Alekhine's Defense (1.e4 Nf6)
Average Elo: 2412.5
Result: 1½/3 = 50%

B48 Sicilian, Taimanov Variation (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7 6.Be3)
Average Elo: 2412.5
Result: 2½/3 = 83.33%

C17 French, Winawer, Advance (1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5)
Average Elo: 2290
Result: 2/2 = 100%

C68 Ruy Lopez, Exchange (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6)
Average Elo: 2500
Result: 2/2 = 100%

B12 Caro-Kann Defense (1.e4 c6 2.d4)
Average Elo: 0
Result: 1½/2 = 75%

B56 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3)
Average Elo: 2420
Result: 1/2 = 50%

B20 Sicilian (1.e4 c5)
Average Elo: 2240
Result: 2/2 = 100%

B96 Sicilian, Najdorf (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4)
Average Elo: 2380
Result: 0/2 = 0%

B77 Sicilian, Dragon, Yugoslav Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4)
Average Elo: 2335
Result: 1/2 = 50%

B29 Sicilian, Nimzovich-Rubinstein (1.e4 c5 2.Nf3 Nf6)
Average Elo: 2280
Result: 1/1 = 100%

B27 Sicilian (1.e4 c5 2.Nf3)
Average Elo: 2280
Result: 0/1 = 0%

C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6 dc 5.O-O f6 6.d4)
Average Elo: 2320
Result: ½/1 = 50%

C21 Center Game (1.e4 e5 2.d4 exd4)
Average Elo: 0
Result: 0/1 = 0%

B01 Scandinavian (1.e4 d5)
Average Elo: 0
Result: 0/1 = 0%

E12 Queen's Indian (1.d4 Nf6 2.c4 e6 3.Nf3 b6)
Average Elo: 2335
Result: ½/1 = 50%

A34 English, Symmetrical (1.c4 c5 2.Nc3)
Average Elo: 2310
Result: 1/1 = 100%

A80 Dutch (1.d4 f5)
Average Elo: 0
Result: ½/1 = 50%

B82 Sicilian, Scheveningen (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4)
Average Elo: 2460
Result: ½/1 = 50%

C60 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5)
Average Elo: 2570
Result: ½/1 = 50%

C10 French (1.e4 e6 2.d4 d5 3.Nc3)
Average Elo: 2495
Result: ½/1 = 50%

B47 Sicilian, Taimanov (Bastrikov) Variation (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3 Qc7)
Average Elo: 2205
Result: ½/1 = 50%

E60 King's Indian Defense (1.d4 Nf6 2.c4 g6)
Average Elo: 2370
Result: 0/1 = 0%

B72 Sicilian, Dragon (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3)
Average Elo: 0
Result: 1/1 = 100%

A46 Queen's Pawn Game (1.d4 Nf6 2.Nf3)
Average Elo: 2320
Result: ½/1 = 50%

A28 English (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6)
Average Elo: 2345
Result: 1/1 = 100%

D42 Queen's Gambit Declined, Semi-Tarrasch, 7.Bd3 (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5 Nxd5 6.e3 Nc6 7.Bd3)
Average Elo: 2320
Result: 0/1 = 0%

C77 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6)
Average Elo: 0
Result: ½/1 = 50%

C62 Ruy Lopez, Old Steinitz Defense (1.e4 e5 2.Nf3 Nc6 3.Bb5 d6)
Average Elo: 2435
Result: 0/1 = 0%

D05 Queen's Pawn Game (1.d4 d5 2.Nf3 Nf6 3.e3 e6)
Average Elo: 0
Result: ½/1 = 50%

B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O)
Average Elo: 2220
Result: 0/1 = 0%

C28 Vienna Game (1.e4 e5 2.Nc3 Nf6 3.Bc4 Nc6)
Average Elo: 2325
Result: 0/1 = 0%

B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo: 2325
Result: 0/1 = 0%

C12 French, McCutcheon (1.e4 e6 2.d4 d5 3.Nc3 Nf6 4.Bg5 Bb4)
Average Elo: 0
Result: 0/1 = 0%

B41 Sicilian, Kan (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6)
Average Elo: 2230
Result: 0/1 = 0%

C02 French, Advance (1.e4 e6 2.d4 d5 3.e5)
Average Elo: 2400
Result: 1/1 = 100%

B85 Sicilian, Scheveningen, Classical (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6)
Average Elo: 2515
Result: ½/1 = 50%

B38 Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3)
Average Elo: 2515
Result: ½/1 = 50%

B40 Sicilian (1.e4 c5 2.Nf3 e6)
Average Elo: 2490
Result: ½/1 = 50%

C11 French (1.e4 e6 2.d4 d5 3.Nc3 Nf6)
Average Elo: 2375
Result: ½/1 = 50%

D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.cxd5 exd5 5.Bg5 c6 6.Qc2)
Average Elo: 2350
Result: ½/1 = 50%

A27 English, Three Knights System (1.c4 e5 2.Nc3 Nc6 3.Nf3)
Average Elo: 0
Result: 0/1 = 0%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 2480
Result: ½/1 = 50%

Openings played as Black (33)

B85 Sicilian, Scheveningen, Classical (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Be2 a6 7.O-O Qc7 8.f4 Nc6)
Average Elo: 2377.5
Result: 1/4 = 25%

B40 Sicilian (1.e4 c5 2.Nf3 e6)
Average Elo: 2437.5
Result: ½/3 = 16.67%

A37 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 2257.5
Result: 1½/3 = 50%

D30 Queen's Gambit Declined (1.d4 d5 2.c4 e6)
Average Elo: 2472.5
Result: 0/2 = 0%

A36 English (1.c4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 2485
Result: ½/2 = 25%

B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo: 2402.5
Result: 1½/2 = 75%

D46 Queen's Gambit Declined Semi-Slav (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3)
Average Elo: 2390
Result: 1/2 = 50%

E54 Nimzo-Indian, 4.e3, Gligoric System (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Nf3 d5 6.Bd3 c5 7.O-O dxc4 8.Bxc4)
Average Elo: 2347.5
Result: ½/2 = 25%

B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack (1.e4 c5 2.Nf3 d6 3.Bb5+)
Average Elo: 0
Result: 0/1 = 0%

B98 Sicilian, Najdorf (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7)
Average Elo: 0
Result: 1/1 = 100%

A67 Benoni, Taimanov Variation (1.d4 Nf6 2.c4 c5 3.d5 e6 4.Nc3 exd5 5.cxd5 d6 6.e4 g6 7.f4 Bg7 8.Bb5+)
Average Elo: 0
Result: 0/1 = 0%

A08 King's Indian Attack (1.Nf3 d5 2.g3 c5 3.Bg2)
Average Elo: 2510
Result: 0/1 = 0%

A54 Old Indian, Ukrainian Variation, 4.Nf3 (1.d4 Nf6 2.c4 d6 3.Nc3 e5 4.Nf3)
Average Elo: 0
Result: 0/1 = 0%

B82 Sicilian, Scheveningen (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.f4)
Average Elo: 0
Result: 1/1 = 100%

A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo: 0
Result: ½/1 = 50%

B23 Sicilian, Closed (1.e4 c5 2.Nc3)
Average Elo: 2290
Result: ½/1 = 50%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 2380
Result: 0/1 = 0%

B26 Sicilian, Closed, 6.Be3 (1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3)
Average Elo: 2310
Result: ½/1 = 50%

B80 Sicilian, Scheveningen (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6)
Average Elo: 2470
Result: 0/1 = 0%

E12 Queen's Indian (1.d4 Nf6 2.c4 e6 3.Nf3 b6)
Average Elo: 2450
Result: ½/1 = 50%

B39 Sicilian, Accelerated Fianchetto, Breyer Variation (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3 Nf6 7.Nc3 Ng4)
Average Elo: 2515
Result: ½/1 = 50%

D00 Queen's Pawn Game (1.d4 d5)
Average Elo: 2460
Result: ½/1 = 50%

B37 Sicilian, Accelerated Fianchetto (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7)
Average Elo: 2420
Result: 0/1 = 0%

B14 Caro-Kann, Panov-Botvinnik Attack (1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6)
Average Elo: 2570
Result: 0/1 = 0%

A38 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6)
Average Elo: 2370
Result: ½/1 = 50%

A14 English (1.c4 e6 2.Nf3 d5 3.g3 Nf6 4.Bg2 Be7 5.O-O)
Average Elo: 2485
Result: ½/1 = 50%

E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 c5 5.Ne2)
Average Elo: 2450
Result: 0/1 = 0%

C17 French, Winawer, Advance (1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5)
Average Elo: 2385
Result: 0/1 = 0%

A31 English, Symmetrical, Benoni Formation (1.c4 c5 2.Nf3 Nf6 3.d4)
Average Elo: 0
Result: 1/1 = 100%

B28 Sicilian, O'Kelly Variation (1.e4 c5 2.Nf3 a6)
Average Elo: 2265
Result: 1/1 = 100%

A30 English, Symmetrical (1.c4 c5)
Average Elo: 0
Result: 1/1 = 100%

A48 King's Indian (1.d4 Nf6 2.Nf3 g6)
Average Elo: 2305
Result: ½/1 = 50%

C10 French (1.e4 e6 2.d4 d5 3.Nc3)
Average Elo: 2230
Result: ½/1 = 50%