Games of Cho Chikun against Kobayashi Koichi

Kobayashi Koichi was Cho Chikun's major rival. Born on 1952-09-10, he became pro in 1967 and reached 9 dan in 1979. He won 54 titles. The major achievements were:

  • From 1984-1986, 3 consecutive Judan titles.
  • From 1986 to 1993, Kisei for 8 consecutive years.
  • From 1988 to 1994, Meijin for 7 consecutive years.
  • From 1988 to 1993, Gosei for 6 consecutive years.
  • Tengen in 1977 (his first title), 1986, 1998-1999.
  • 10th Fujitsu Cup in 1997.

He has won all the major titles except the Honinbo title. He was the Honinbo challenger four times, but each time was beaten by Cho (1982, 1990-1992) in the match.

The following list of games is complete (based on a list that Martin Müller once faxed me).

Nr. Date Event & Result Mvs
11966-05-151966 Insei Tournament (W, B+14.5)111
21968-08-1417th Nihon Ki-in Championship, 1st Preliminary (B, W+10.5)166
31970-07-29unknown (W, B+R) 
41972-06-2028th Honinbo, 2nd Preliminary (B, W+R)164
51972-07-244th Shin'ei Final (B, W+R)178
61972-11-0116th Prime Minister's Cup Final (W, B+R)227
71973-08-2621st Nihon Ki-in Championship, Round 1 (W, W+1.5)212
81974-08-196th Shin'ei Final (B, B+4.5)261
91974-12-237th Hayago Championship, Round 2 (W, W+7.5) 
101975-05-1519th Prime Minister's Cup, Round 3 (W, B+R)217
111975-05-29Oteai (B, B+R) 
121975-07-127th Shin'ei, Semi-final (W, B+R) 
131976-02-191st Gosei League (B, W+R)116
141976-09-0920th Prime Minister's Cup, Semi-final (B, W+2.5)219
151977-04-011st Kisei Accession Ceremony (W, B+R)165
161977-07-122nd Shinjin-O Final, Game 1 (B, W+R)130
171977-07-202nd Shinjin-O Final, Game 2 (W, B+R)151
181977-09-00Three-game Rivals Match sponsored by Kido, Game 1 (B, B+0.5)268
191977-10-00Three-game Rivals Match sponsored by Kido, Game 2 (W, B+R)113
201977-11-00Three-game Rivals Match sponsored by Kido, Game 3 (B, B+0.5)235
211978-10-054th Gosei, Preliminaries (W, W+6.5) 
221979-08-252nd JAA Cup, Round 1 (B, W+2.5)275
231980-01-114th Kisei Eve Party (B, W+9.5)238
241980-02-2835th Honinbo League (B, B+R)215
251980-03-065th Meijin League (B, W+R)208
261980-09-2519th Judan (-, Loss by forfeit) 
271981-10-196th Kisei, Strongest Players' Quarter-final (W, B+0.5)221
281982-05-24Shusai Cup, Final (B, B+2.5)234
291982-05-2637th Honinbo Final, Game 1 (B, W+R)126
301982-05-317th Gosei, Challengers' Final, Game 1 (W, W+2.5)233
311982-06-0337th Honinbo Final, Game 2 (W, W+3.5)267
321982-06-107th Gosei, Challengers' Final, Game 2 (B, B+6.5)227
331982-06-1637th Honinbo Final, Game 3 (B, W+4.5)227
341982-06-3037th Honinbo Final, Game 4 (W, W+11.5)267
351982-07-0837th Honinbo Final, Game 5 (B, B+4.5)212
361982-07-2137th Honinbo Final, Game 6 (W, W+R)152
371982-11-132nd NEC Cup, Round 2 (B, B+6.5)262
381984-01-1622nd Judan, Losers' Section Final (W, B+R)153
391984-04-1239th Honinbo League (B, B+5.5)245
401984-10-087th Kakusei League (B, B+R)233
411985-03-094th NEC Cup Final (B, B+0.5)260
421985-09-1110th Meijin Final, Game 1 (W, B+5.5)281
431985-09-2510th Meijin Final, Game 2 (B, B+R)229
441985-10-0210th Meijin Final, Game 3 (W, B+R)147
451985-10-1610th Meijin Final, Game 4 (B, W+R)186
461985-10-2011th Tengen, Challengers' Final (B, W+R)242
471985-10-2310th Meijin Final, Game 5 (W, W+2.5)189
481985-11-0610th Meijin Final, Game 6 (B, B+2.5)197
491985-11-2010th Meijin Final, Game 7 (W, B+R)111
501986-01-1610th Kisei Final, Game 1 (B, W+2.5)216
511986-01-2910th Kisei Final, Game 2 (W, W+3.5)238
521986-02-0510th Kisei Final, Game 3 (B, B+1.5)251
531986-02-1910th Kisei Final, Game 4 (W, B+2.5)265
541986-02-2318th Hayago Championship Final, Game 1 (B, W+2.5)281
551986-02-2341st Honinbo League (W, W+0.5)196
561986-02-2610th Kisei Final, Game 5 (B, W+R)186
571986-03-0918th Hayago Championship Final, Game 2 (W, W+3.5)258
581986-03-1210th Kisei Final, Game 6 (W, B+R)241
591986-03-2318th Hayago Championship Final, Game 3 (W, W+R)194
601987-03-0819th Hayago Championship Final (W, W+R)188
611987-03-1942nd Honinbo League (B, W+R)174
621987-08-2012th Meijin League (W, B+R)175
631987-11-1243rd Honinbo League (B, B+7.5)230
641987-11-1913th Tengen Final, Game 1 (B, W+2.5)232
651987-11-2713th Tengen Final, Game 2 (W, B+1.5)246
661987-12-1413th Tengen Final, Game 3 (B, B+R)127
671987-12-2313th Tengen Final, Game 4 (W, W+R)162
681987-12-2813th Tengen Final, Game 5 (W, W+0.5)230
691988-01-2113th Meijin League (W, B+R)87
701989-03-3044th Honinbo League (B, W+R)158
711990-05-1145th Honinbo Final, Game 1 (W, W+R)160
721990-05-2429th Judan, Winners' Section, Round 1 (W, W+2.5)242
731990-05-2845th Honinbo Final, Game 2 (B, W+R)176
741990-06-0745th Honinbo Final, Game 3 (W, B+0.5)210
751990-06-1945th Honinbo Final, Game 4 (B, W+R)98
761990-07-0945th Honinbo Final, Game 5 (W, W+7.5)269
771990-07-1845th Honinbo Final, Game 6 (B, B+6.5)221
781990-07-2545th Honinbo Final, Game 7 (W, W+3.5)230
791991-05-1046th Honinbo Final, Game 1 (B, W+R)148
801991-05-2746th Honinbo Final, Game 2 (W, B+4.5)212
811991-06-0746th Honinbo Final, Game 3 (B, B+10.5)234
821991-06-2224th Hayago Championship, Round 1 (B, B+1.5)310
831991-06-2746th Honinbo Final, Game 4 (W, W+5.5)292
841991-07-0346th Honinbo Final, Game 5 (B, B+3.5)237
851991-07-1746th Honinbo Final, Game 6 (W, W+R)212
861992-01-2330th Judan, Losers' Section, Final (B, W+R)218
871992-05-1547th Honinbo Final, Game 1 (W, B+R)179
881992-05-2747th Honinbo Final, Game 2 (B, W+R)158
891992-06-0947th Honinbo Final, Game 3 (W, B+R)145
901992-06-1747th Honinbo Final, Game 4 (B, B+8.5)271
911992-06-2547th Honinbo Final, Game 5 (W, W+R)132
921992-07-0847th Honinbo Final, Game 6 (B, B+R)189
931992-07-2247th Honinbo Final, Game 7 (B, B+7.5)217
941994-01-1218th Kisei Final, Game 1 (W, B+R)169
951994-01-2618th Kisei Final, Game 2 (B, B+6.5)241
961994-02-0218th Kisei Final, Game 3 (W, W+3.5)211
971994-02-1618th Kisei Final, Game 4 (B, B+R)167
981994-02-2318th Kisei Final, Game 5 (W, B+3.5)234
991994-03-0918th Kisei Final, Game 6 (B, B+6.5)250
1001994-03-3116th Kakusei Final (W, B+2.5)281
1011995-03-0414th NEC Cup Final (B, W+R)164
1021995-03-1317th Kakusei, Semi-final (B, B+11.5)273
1031995-10-1621st Tengen, Challengers' Final (W, B+R)137
1041995-11-1334th Judan, Losers' Section. Round 2 (W, B+R)135
1051995-12-0721st Meijin League (B, W+1.5)220
1061996-02-0443rd NHK Cup, Round 3 (B, B+R)169
1071996-10-1735th Judan, Winners' Section Semi-final (B, W+0.5)289
1081996-12-1619th Kakusei, Semi-final (B, W+8.5)256
1091997-04-076th Ryusei, A group final (B, W+4.5)232
1101997-09-1022nd Meijin Final, Game 1 (W, B+R)197
1111997-09-2422nd Meijin Final, Game 2 (B, B+3.5)277
1121997-10-0122nd Meijin Final, Game 3 (W, B+R)149
1131997-10-1522nd Meijin Final, Game 4 (B, B+R)155
1141997-10-2222nd Meijin Final, Game 5 (W, W+3.5)250
1151997-11-0522nd Meijin Final, Game 6 (B, B+3.5)232
1161998-09-1737th Judan, Winners' Section Semi-final (W, B+R)135
1171999-01-1323rd Kisei Final, Game 1 (B, B+R)203
1181999-01-2723rd Kisei Final, Game 2 (W, W+R)208
1191999-02-0323rd Kisei Final, Game 3 (B, W+R)186
1201999-02-1723rd Kisei Final, Game 4 (W, W+1.5)287
1211999-02-2423rd Kisei Final, Game 5 (B, W+R)102
1221999-03-1023rd Kisei Final, Game 6 (W, W+5.5)272
1231999-05-178th Ryusei, A group final (B, W+R)160
1242001-02-0548th NHK Cup, Semi-final (W, W+R)178
1252001-03-1526th Gosei League, Quarter-final (W, B+0.5)220
1262001-09-3034th Hayago Championship Final (W, W+6.5)262
1272001-10-0440th Judan, Losers' Section, Round 3 (W, B+R)155
1282002-06-2422nd NEC Cup, Round 1 (W, W+4.5)312
1292002-07-1435th Hayago Championship, Round 2 (W, W+R)?
1302003-04-0358th Honinbo League (B, B+5.5)291
1312003-07-2410th Agon-Kiriyama Cup, Round 1 (B, B+5.5)incompl.
1322004-03-2151st NHK Cup Final (W, B+3.5)253

Starting Points

Recent years

1999 2000 2001
2002 2003 2004
2005 2006 2007


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