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| Date | Players & Opening | Result | ECO | View |
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| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2015.09.30 | Corallo, M. (2264) vs (2279) Riordan, C. US Chess League 2015 Sicilian Barnes (Bastrikov) |
1/2-1/2 | B47 | |
| 2015.09.15 | Riordan, C. (2279) vs (2362) Checa, Nicolas D US Chess League 2015 Slav Two Knights - Chameleon |
0-1 | D11 | |
| 2013.10.23 | Riordan, C. (2297) vs (2417) Shmeliov, D. US Chess League 2013 English Anglo-Slav - Classical Exchange |
0-1 | D10 | |
| 2013.09.03 | Defibaugh, J. (2235) vs (2297) Riordan, C. US Chess League 2013 Sicilian |
1/2-1/2 | B40 | |
| 2013.04.21 | Rawlinson, A. (2171) vs O'Riordan, Kieran Cork Masters 2013 Catalan Irregular - Gambit |
1/2-1/2 | E01 | |
| 2013.04.20 | Collins, S IRL. (2483) vs O'Riordan, Kieran Cork Masters 2013 English |
1-0 | A10 | |
| 2012.10.31 | Zierk, S. (2475) vs (2339) Riordan, C. US Chess League 2012 Sicilian Richter - Two Knights |
1-0 | B62 | |
| 2013.03.03 | Doyle, H. (1920) vs O'Riordan, Kieran 20th Bunratty Masters English Agincourt |
1/2-1/2 | A13 | |
| 2013.03.03 | O'Riordan, Kieran vs (2005) Courtney, John 20th Bunratty Masters Sicilian Alapin |
0-1 | B22 | |
| 2013.03.02 | Lyons, B. (2007) vs O'Riordan, Kieran 20th Bunratty Masters Reti King's Indian |
1/2-1/2 | A08 | |
| 2013.03.02 | O'Riordan, Kieran vs (2117) Gonzalez Gonzalez, A. 20th Bunratty Masters Spanish Modern Steinitz |
0-1 | C72 | |
| 2013.03.02 | Thee, Bernd (2096) vs O'Riordan, Kieran 20th Bunratty Masters Caro-Kann Knight Steinitz |
0-1 | B17 | |
| 2013.03.01 | O'Riordan, Kieran vs (2317) Cooper, L. 20th Bunratty Masters Spanish Closed (Steenwijker) - Sharp Worrall |
0-1 | C86 | |
| 2011.09.06 | Riordan, C. (2339) vs (2284) Pressman, L. US Chess League 2011 King's Indian Yugoslav - Taimanov |
1/2-1/2 | E97 | |
| 2012.10.22 | Riordan, C. (2339) vs (2517) Charbonneau, P. US Chess League 2012 Sicilian |
1/2-1/2 | B32 | |
| 2012.10.18 | Otchiyev, A. (2373) vs (2339) Riordan, C. US Chess League 2012 Sicilian Sozin - Two Knights |
0-1 | B57 | |
| 2011.10.05 | Rodriguez, Er (2337) vs (2339) Riordan, C. US Chess League 2011 Sicilian Center Game - Smith-Morra |
1-0 | B21 | |
| 2012.10.09 | Korley, K. (2280) vs (2339) Riordan, C. US Chess League 2012 Benko's opening |
0-1 | A00 | |
| 2013.02.16 | Riordan, C. (2339) vs (2141) Katz, B. US Amateur Team East 2013 Queen's Pawn - Mason |
1-0 | D00 | |
| 2012.09.19 | Schneider, Dm (2477) vs (2339) Riordan, C. US Chess League 2012 Sicilian Moscow |
1/2-1/2 | B52 | |
| 2010.10.25 | Riordan, C. (2303) vs (2484) Vovsha, E. USCL Reti |
0-1 | A04 | |
| 2010.10.11 | Riordan, C. (2303) vs (2513) Charbonneau, P. USCL King's Indian Saemisch |
0-1 | E81 | |
| 2010.10.04 | Costigan, R. (2301) vs (2303) Riordan, C. USCL Sicilian |
1/2-1/2 | B50 | |
| 2010.09.20 | Bonin, J. (2317) vs (2303) Riordan, C. USCL Indian East Indian - Torre |
1/2-1/2 | A48 | |
| 2010.08.30 | Mabe, C. (2198) vs (2303) Riordan, C. USCL Reti Zukertort |
0-1 | A06 | |
| 2011.02.27 | Wilson, A. (2037) vs O'Riordan, Kieran Bunratty Masters Scandinavian |
1-0 | B01 | |
| 2011.02.27 | Porter, Liam (1983) vs O'Riordan, Kieran Bunratty Masters Scandinavian |
1/2-1/2 | B01 | |
| 2011.02.26 | O'Riordan, Kieran vs (2097) Wolferink, F. Bunratty Masters Robatsch - Austrian |
0-1 | B06 | |
| 2011.02.26 | O'Riordan, Kieran vs (2140) Moynihan, K. Bunratty Masters Two Knights - Italian |
0-1 | C55 | |
| 2011.02.26 | Osborne, S. (2045) vs O'Riordan, Kieran Bunratty Masters Scandinavian |
1/2-1/2 | B01 | |
| 2011.02.25 | O'Riordan, Kieran vs (2148) O'Connor, Jon Bunratty Masters French Tarrasch |
1/2-1/2 | C03 | |
| 2002.02.18 | Benjamin, Joe (2593) vs Riordan, Charles US Amateur Team East Sicilian Rossolimo (Fianchetto) - Rossolimo |
1-0 | B31 | |
| 2002.02.17 | Riordan, Charles vs Knatz, Michael US Amateur Team East Sicilian - Pelikan (Chelyabinsk) |
1-0 | B33 | |
| 2002.02.16 | Riordan, Charles vs (2386) Charbonneau, P. US Amateur Team East Nimzo-Indian Classical |
0-1 | E32 | |
| 2009.02.16 | Yang Ruixin (2109) vs (2280) Riordan, C. US Amateur Team-ch East Sicilian Closed - Zukertort |
1/2-1/2 | B23 | |
| 2009.02.16 | McHugh, Edward F vs (2280) Riordan, C. US Amateur Team-ch East Sicilian Moscow |
0-1 | B52 | |
| 2009.02.15 | Yeager, D. (2335) vs (2280) Riordan, C. US Amateur Team-ch East Gruenfeld Classical - Stockholm |
1/2-1/2 | D80 | |
| 2009.02.14 | Zhang, Me (2225) vs (2280) Riordan, C. US Amateur Team-ch East Sicilian Scheveningen Najdorf |
0-1 | B90 | |
| 2009.12.28 | Riordan, C. (2305) vs (2306) Zierk, S. North American Open Sicilian - Pelikan (Chelyabinsk) |
0-1 | B33 | |
| 2001.02.18 | Paschall, W. (2375) vs Riordan, Charles US Amateur Team East Semi-Slav Anti-Meran - Botvinnik |
1-0 | D44 | |
| 2001.08.11 | Anderson, R. (2268) vs Riordan, Charles US Open French Advance Winawer - Poisoned Pawn |
1-0 | C18 | |
| 2001.08.10 | Hoekstra, M. (2213) vs Riordan, Charles US Open French Open Tarrasch |
1/2-1/2 | C07 | |
| 2001.08.09 | Riordan, Charles vs (2537) Sagalchik, G. US Open Queen's Gambit Albin - Alapin |
0-1 | D08 | |
| 2001.08.08 | Riordan, Charles vs (2489) Palatnik, S. US Open Benko Gambit - Half-Accepted |
1-0 | A57 | |
| 2001.08.07 | Shapiro, D. (2274) vs Riordan, Charles US Open Gruenfeld Russian - Simagin |
0-1 | D97 | |
| 2005.03.25 | Epstein, E. (2188) vs (2287) Riordan, C. 7th Foxwoods Open Sicilian |
0-1 | B50 | |
| 2005.03.23 | Zapata, A. (2504) vs (2287) Riordan, C. 7th Foxwoods Open Sicilian Scheveningen Najdorf - Lipnitsky |
1-0 | B90 | |
| 2004.02.16 | Roberts Hoffman, Ka vs (2337) Riordan, C. US Amateur Team East Sicilian |
0-1 | B33 | |
| 2005.11.02 | Riordan, C. (2267) vs (2268) Kaufman, R. USCL Old Benoni Pawn Thrust - Blockade |
1/2-1/2 | A44 | |
| 2005.03.21 | Shliperman, I. (2456) vs (2287) Riordan, C. US Amateur Team East Nimzo-Indian Saemisch |
1/2-1/2 | E25 | |
| 2005.10.26 | Riordan, C. (2267) vs (2277) Wilson, E. USCL Slav Czech - Krause |
1-0 | D17 | |
| 2005.10.12 | Braylovsky, G. (2336) vs (2267) Riordan, C. USCL Sicilian Rossolimo (Fianchetto) - Rossolimo |
1-0 | B31 | |
| 2005.10.05 | Riordan, C. (2267) vs (2111) Diaz, JL. USCL Reti |
1/2-1/2 | A04 | |
| 2005.09.28 | Riordan, C. (2288) vs (2404) Pruess, D. USCL English Agincourt |
1/2-1/2 | A13 | |
| 2005.09.21 | Riordan, C. (2288) vs (2367) Kaufman, La USCL Sicilian Scheveningen - Fianchetto |
1/2-1/2 | B80 | |
| 2003.04.18 | Kaufman, La (2417) vs Riordan, Charles Foxwoods Open Queen's Indian Fianchetto - Nimzovich |
1-0 | E15 | |
| 2003.04.18 | Kaufman, La (2417) vs Riordan, Charles Foxwoods Open Queen's Indian Fianchetto - Nimzovich |
1-0 | E15 | |
| 2008.02.18 | Meredith, M. (2055) vs (2277) Riordan, C. US Amateur Team-ch East Robatsch - Small Center |
1/2-1/2 | B06 | |
| 2008.02.16 | Milovanovic, Dragan vs (2277) Riordan, C. US Amateur Team-ch East Spanish Open Berlin |
0-1 | C67 | |
| 2006.10.18 | Bonin, J. (2315) vs (2253) Riordan, C. USCL King's Indian Classical - Anderssen |
0-1 | E92 | |
| 2007.02.19 | Shapiro, Mi (2103) vs (2253) Riordan, C. US Amateur Team East Sicilian Center Game - Smith-Morra |
0-1 | B21 | |
| 2007.02.18 | Fontecilla, Rodrigo vs (2253) Riordan, C. US Amateur Team East Indian East Przepiorka - Classical |
0-1 | E67 | |
| 2006.02.20 | Fedorowicz, J. (2493) vs (2252) Riordan, C. US Amateur Team East Nimzo-Indian St. Petersburg |
1/2-1/2 | E43 | |
| 2007.02.18 | Riordan, C. (2253) vs Joline, James T US Amateur Team East King's Indian Classical |
1-0 | E91 | |
| 2007.02.17 | Meredith, M. (2195) vs (2253) Riordan, C. US Amateur Team East Sicilian Open - Two Knights |
0-1 | B56 | |
| 2006.02.19 | Miller, D. (2278) vs (2252) Riordan, C. US Amateur Team East Sicilian Moscow |
0-1 | B52 | |
| 2007.02.17 | Riordan, C. (2253) vs Aguilar, Omar US Amateur Team East Slav Delmar |
1-0 | D12 | |
| 2006.02.19 | Riordan, C. (2252) vs (2250) Seltzer, R. US Amateur Team East King's Indian Classical |
1/2-1/2 | E91 | |
| 2006.02.18 | Riordan, C. (2252) vs (2378) Goletiani, R. US Amateur Team East Nimzo-Indian Berlin (Pirc) |
1-0 | E39 | |
| 2006.10.11 | Bereolos, P. (2294) vs (2253) Riordan, C. USCL Nimzo-Indian Three Knights |
0-1 | E21 | |
| 2006.11.15 | Riordan, C. (2253) vs (2394) Hess, Ro USCL Semi-Final Spanish Modern Steinitz |
1/2-1/2 | C71 | |
| 2007.04.07 | Iwu, Okechukwu A vs (2270) Riordan, C. 9th Open Irregular Queen's Pawn - Torre (Nimzovich) |
1/2-1/2 | A46 | |
| 2007.04.07 | Riordan, C. (2270) vs (2565) Ivanov, AV USA. 9th Open Irregular Queen's Pawn - Small Center |
0-1 | B06 | |
| 2007.04.06 | Karen, B. (2138) vs (2270) Riordan, C. 9th Open French MacCutcheon - Lasker |
0-1 | C12 | |
| 2007.04.06 | Riordan, C. (2270) vs (2464) Krush, I. 9th Open Queen's Gambit Declined Tartakower - Neo-Orthodox |
1/2-1/2 | D58 | |
| 2007.04.05 | Maymin, Zakhar G vs (2270) Riordan, C. 9th Open French - Hanham |
0-1 | C00 | |
| 2006.09.20 | Riordan, C. (2253) vs (2260) Rogers, N. USCL Robatsch |
1-0 | B06 | |
| 2006.11.01 | Kaufman, La (2358) vs (2253) Riordan, C. USCL King's Indian |
0-1 | E90 | |
| 2006.10.25 | Riordan, C. (2253) vs (2394) Zaikov, O. USCL Sicilian Scheveningen Najdorf (Zagreb) |
0-1 | B91 | |
| 1956.09.01 | Teschner, R. vs O'Riordan, K. Moskou olm Caro-Kann - Knight (Forgacs) |
1-0 | B15 | |
| 1968.10.01 | Svedenborg, P. vs O'Riordan, K. Lugano olm Indian - Lasker |
1/2-1/2 | C12 | |
| 1968.10.01 | Suttles, D. vs O'Riordan, K. Lugano olm Benko's opening |
1-0 | A00 | |
| 1968.01.01 | O'Riordan, Kenneth vs Santos, J. Lugano Queen's Pawn Zukertort - Symmetrical |
1-0 | D02 | |
| 1968.01.01 | O'Riordan, Kenneth vs Quesada Lugano Sicilian Dragon |
0-1 | B70 | |
| 1968.10.01 | O'Riordan, K. vs Nejjar, A. Lugano olm Nimzo-Indian Bernstein |
1/2-1/2 | E56 | |
| 1968.10.01 | O'Riordan, K. vs Magrin, A. Lugano olm Queen's Indian Spassky |
0-1 | E14 | |
| 1968.10.01 | O'Riordan, K. vs Ornithopoulos, N. Lugano olm Benoni - Czech |
1/2-1/2 | A56 | |
| 1956.09.01 | O'Riordan, K. vs Middlton, I. Moskou olm Sicilian |
1/2-1/2 | B33 | |
| 1968.10.01 | O'Riordan, K. vs Riego, V. Lugano olm Sicilian Scheveningen Najdorf (Amsterdam) |
0-1 | B93 | |
| 1968.10.01 | O'Riordan, K. vs Colon, A. Lugano olm Sicilian |
1-0 | B33 | |
| 1956.09.01 | O'Riordan, K. vs Sanguineti, R. Moskou olm Spanish Modern Steinitz - Alapin |
0-1 | C73 | |
| 1956.09.01 | O'Riordan, K. vs Cardoso, R. Moskou olm French Advance Winawer - Bogolubov |
0-1 | C17 | |
| 1956.09.01 | O'Riordan, K. vs Mallet Moskou olm French Classical - Rubinstein |
0-1 | C14 | |
| 1956.09.01 | O'Riordan, K. vs Schmitt, P. Moskou olm Alekhine Modern |
0-1 | B05 | |
| 1956.09.01 | Mastichiadis, F. vs O'Riordan, K. Moskou olm Nimzo-Indian Saemisch - O'Kelly |
1-0 | E26 | |
| 1968.10.01 | Koshnitsky, G. vs O'Riordan, K. Lugano olm Dutch Ilyin-Genevsky |
1-0 | A98 | |
| 1956.09.01 | Gudmundsson, A. vs O'Riordan, K. Moskou olm King's Indian Fianchetto (Yugoslav) |
1-0 | E65 | |
| 1956.09.01 | Filipp, G. vs O'Riordan, K. Moskou olm Queen's Gambit Declined Capablanca (Classical) - Vidmar |
1/2-1/2 | D68 | |
| 1968.01.01 | Budowski, Gerardo vs O'Riordan, Kenneth Lugano French Open Tarrasch (Exchange) |
1-0 | C08 | |
| 1968.10.01 | Barcza, G. vs O'Riordan, K. Lugano olm Irregular Queen's Pawn - Franco-Indian |
1-0 | A40 |