ãã£ã¢ã³ã±ãããçµãå©ç¹ã®ä¸ã¤ã¯ããã·ã§ããã®å©ããè¯ããªããã¨ã§ãããç¤é¢ã«ããã¦æé·ã® a1-h8 ã¾ã㯠a8-h1 ãã¤ã¢ã´ãã«ã«ãã·ã§ãããé ç½®ãããã¨ã«ãããããå¤ãã®ãã¹ãæ¯é ãããã¨ãã§ããããããããã®ãã·ã§ããã失ããã¦ãã¾ãã¨ããã¼ã³ãé²ãã¦ããåã ãå®ãã¯å¼±ããªããæµã«ä»ãå ¥ãéãä¸ãã¦ãã¾ããããã¯ç¹ã«ãã³ã°ãµã¤ãã§æ·±å»ã«ãªãããããã£ã¦ããã£ã¢ã³ã±ããã«ä½¿ã£ããã·ã§ããã®äº¤æã¯çæ ®ã®ä¸ã§è¡ããªããã°ãªããªãã å³å³ã§ã¯3種é¡ã®ãã£ã¢ã³ã±ããã示ããã¦ããã ï¼å³ä¸ï¼ç½ã®ãã³ã°ãµã¤ãã§ã¯ããã¼ã³ã1ãã¹ã ãé²ããæãä¸è¬çãªãã£ã¢ã³ã±ãããçµã¾ãã¦ããï¼ã¬ã®ã¥ã©ã¼ã»ãã£ã¢ã³ã±ããï¼ãã·ã·ãªã¢ã³ã»ãã©ã´ã³ããã«ãã»ãã£ãã§ã³ã¹ããããã»ãã£ãã§ã³ã¹ããã³ã³ã¼ã»ã®ã£ã³ãããçãæ§ã ãªãªã¼ããã³ã°ã§ãã®å½¢ãåºç¾ããã ï¼å·¦ä¸ï¼é»ã®ã¯ã¤ã¼ã³ãµã¤ãã§ã¯ãã¼ã³ã2ãã¹é²ãã§ã
ã¢ã«ãã³ã»ã«ã¦ã³ã¿ã¼ã»ã®ã£ã³ããã (Albin Countergambit) ã¯ããã§ã¹ã®ãªã¼ããã³ã°ã®1ã¤ã§ãåºç¾©ã®ã¯ã¤ã¼ã³ãºã»ã®ã£ã³ããã (1. d4ãd5ã2. c4) ã®ä¸å¤åã§ãããå³å³ã«ããåºæ¬å½¢ã¾ã§ã®æé ã¯1. d4ãd5ã2. c4ãe5ã§ããããªã1. d4ãd5ã2. c4ãe5ã®å¾ã§3. deãd4ã¨ããå±é¢ãåºæ¬å½¢ã¨ãã¦ããæç®ããã[è注 1]ã åºç¾©ã®ã¯ã¤ã¼ã³ãºã»ã®ã£ã³ãããã«å¯¾ãé»ãéã«2. â¦ãe5ã¨ã®ã£ã³ããããä»æãããªã¼ããã³ã°ã§ãããåºç¾©ã®ã¯ã¤ã¼ã³ãºã»ã®ã£ã³ãããã®å¤åã®ä¸ã§ã¯ã¯ã¤ã¼ã³ãºã»ã®ã£ã³ãããã»ã¢ã¯ã»ããããã¨ã¨ãã«æ¿ããã²ã¼ã ã¨ãªããªã¼ããã³ã°ã§ããã ãã¢ã«ãã³ã»ã«ã¦ã³ã¿ã¼ã»ã®ã£ã³ããããã¨ããååã¯ãã¢ããªãã»ã¢ã«ãã³ï¼è±èªçï¼ã«ç±æ¥ãããMasterä½ãæããè ã®éã§ã¯ãã¾ãæãããªããªã¼ããã³ã°ã§ãããããã·ã¢ã®ã°ã©ã³ããã¹ã¿ã¼
ãã¬ã³ãã»ãã£ãã§ã³ã¹ï¼French Defenceï¼ã¯ããã§ã¹ã®ãªã¼ããã³ã°ã®ï¼ã¤ã§ããã1ï¼e4 e6 ãåºæ¬å½¢[1]ããã®å¾ã¯ã2ï¼d4 d5 ã¨é²ããã¨ãå¤ãã2.d4 c5 3ï¼Nf3ãªãã·ã·ãªã¢ã³ã»ãã£ãã§ã³ã¹ã«å¤åãã[2]ã 1ï¼e4 e6 2ï¼d4 d5 ã®ãã¨ã 3ï¼e5ï¼ã¢ãã´ã¡ã³ã¹ã»ã´ã¡ãªã¨ã¼ã·ã§ã³ï¼Advance Variationï¼ ã¢ãã´ã¡ã³ã¹ã»ã´ã¡ãªã¨ã¼ã·ã§ã³ã¯å¥åãã ã¾ã´ã£ããã»ã´ã¡ãªã¨ã¼ã·ã§ã³ (Nimzowitsch Variation) ã¨ãå¼ã°ãã[3]ã 3ï¼exd5 exd5ï¼ã¨ã¯ã¹ãã§ã³ã¸ã»ã´ã¡ãªã¨ã¼ã·ã§ã³ï¼Exchange Variationï¼[3] 3ï¼Nd2ï¼ã¿ã©ãã·ã¥ã»ã´ã¡ãªã¨ã¼ã·ã§ã³ï¼Tarrasch Variationï¼ 3ï¼Nc3 3... dxe4ï¼ã«ã¼ãã³ã·ã¥ã¿ã¤ã³ã»ã´ã¡ãªã¨ã¼ã·ã§ã³ï¼Rubinstein Variation
ãã¼ãã»ãªã¼ããã³ã° (Bird's Opening) ã¯ããã§ã¹ã®ãªã¼ããã³ã°ã®1ã¤ã§ã1ï¼f4ã®1æã ãã§ããã¼ãã»ãªã¼ããã³ã°ãã¨ããååãä»ãã¦ãããå³å³ããã®åºæ¬å½¢ã§ãã[1]ã19ä¸ç´å¾åã«æ´»åããã¤ã®ãªã¹ã®ãã§ã¹ãã¬ã¼ã¤ã¼ãã³ãªã¼ã»ãã¼ãã好ãã§ç¨ãããã¨ãããã®åãä»ãã[2]ã ãã¼ãã»ãªã¼ããã³ã°ã«ãããé»ã®1æç®ã¨ãã¦ã¯1ï¼â¦ãd5ã1ï¼â¦ãc5ã1ï¼â¦ãe5ã1ï¼â¦ãe6ã1ï¼â¦ãg6çããããããã®ä¸ã§1ï¼â¦ãd5ã¨æãã®ããããã»ã¢ã¿ãã¯ã¨[2]ã1ï¼â¦ãe5ã¨æãã®ãããã ã»ã®ã£ã³ãããã¨å¼ã¶[2]ããªã1ï¼â¦ãc5ã2ï¼e4æãã¯1ï¼â¦ãc5ã2ï¼Nf3ãg6ã3ï¼e4ã¨æãã¨æé åå¾ã§ã·ã·ãªã¢ã³ã»ãã£ãã§ã³ã¹ã«ãªã[2]ã 1ï¼â¦ãd5ã2ï¼Nf3ãNf6ã3ï¼e3ãg6ã4ï¼b4ãBg7ã5ï¼Bb2ã0-0ã6ï¼Be2ãBg4ã7ï¼0-0ãc6ã8ï¼a4
ãããã¹ãã»ãã£ãã§ã³ã¹ (Budapest Defense) ã¯ããã§ã¹ã®ãªã¼ããã³ã°ã®1ã¤ããããã¹ãã»ã«ã¦ã³ã¿ã¼ã»ã®ã£ã³ããã (Budapest Counter Gambit) [1]ãããã¯åã«ãããã¹ãã»ã®ã£ã³ããã (Budapest Gambit) ã¨å¼ã°ãããã¨ãããã 1ï¼d4ãNf6ã2ï¼c4ãe5ã¨æãã¦åºæ¥ãå½¢ï¼å³å³åç §ï¼ããããã¹ãã»ãã£ãã§ã³ã¹ã®åºæ¬å½¢ã§ãã[2]ã 3ï¼deãNg4ã4ï¼Bf4ãNc6ã5ï¼Nf3ãBb4+ã6ï¼Nc3ãBxc3+ã7ï¼bcãQe7ã8ï¼Qd5ãQa3ã9ï¼Rc1ãf6ã10ï¼efãNxf6ã11ï¼Qd2ã0-0[3] ç½ãã®ã£ã³ããããæå¦ããã®ã¯ãæè¯ã§ãç½ãäºè§ã«ãªãã ããªã®ã§ããã¹ã¿ã¼ã¯ã©ã¹ã®å¯¾å±ã§ã¯ã»ã¨ãã©è¦ãããªãã é»ã®3æç®ã§ã¯3ï¼â¦ãNe4ã¨æãæãããã以ä¸4ï¼Nf3ãNc6ã5ï¼Nbd2ãNc5ã6ï¼g3
ããã¢ãã»ãã£ãã§ã³ã¹ (Damiano Defence) ã¯ããã§ã¹ã®ãªã¼ããã³ã°ã®1ã¤ãå³å³ã«ããåºæ¬å½¢ã¾ã§ã®æé ã¯1ï¼e4ãe5ã2ï¼Nf3ãf6?ã§ãã[1]ã ãäºãã«æåæãæããå ´åãé»ãä¸å©ã«ãªããªã¼ããã³ã°ã§ãã[2]ããã®ãããæ¥æ¬ã®ãã§ã¹ãã¬ã¼ã¤ã¼ã»æ±å ¬å¹³ããã¯ããã¡ããã»ãã£ãã§ã³ã¹ãã¨å¼ã°ãã¦ãã[2]ã 3ï¼Nxe5![2]ã ããã¢ãã»ãã£ãã§ã³ã¹ã«ãããç½ã®3æç®ã¯ããã¤ãã§e5ã®ãã¼ã³ãåã1æã§ãããé»ã¯3æç®ã«ã©ããªæãæãã¦ãç½ãæå©ã«ãªãã ã¾ã3ï¼â¦ãfeã¨ãã¤ããåãæã ãã4ï¼Qh5+ãg6ã5ï¼Qxe5+ã¨ãªãé»ãã©ã®ããã«ãã§ãã¯ãé²ãã§ãã6ï¼Qxh8ã§é»ã¯ã«ã¼ã¯ãåããç½åªå¢ã¨ãªã[2]ã 3ï¼â¦ãfe 4ï¼Qh5+ã«å¯¾ãã¦4ï¼â¦ãKe7ã¨ãã³ã°ãéããã®ã¯ã5ï¼Qxe5+ãKf7ã6ï¼Bc4+ãd5ã7ï¼Bxd5+ãKg6ã8ï¼h4
ãã ã¾ã»ã¤ã³ãã£ã¢ã³ã»ãã£ãã§ã³ã¹(Nimzo-Indian Defence) ã¯ããªã¬åºèº«ã®ãã§ã¹ãã¬ã¼ã¤ã¼ãã¢ãã³ã»ãã ã¾ã´ã£ãããèæ¡ãããã§ã¹ã®ãªã¼ããã³ã°ã§ãã[1]ã1ï¼d4ãNf6ã2ï¼c4ãe6ã3ï¼Nc3ãBb4ããã ã¾ã»ã¤ã³ãã£ã¢ã³ã»ãã£ãã§ã³ã¹ã®åºæ¬å½¢ã¨ãªã£ã¦ãã[2]ã 主ã«ã¼ã¼ããã·ã¥ã»ã´ã¡ãªã¨ã¼ã·ã§ã³ãã«ãã³ã¹ã¿ã¤ã³ã»ã´ã¡ãªã¨ã¼ã·ã§ã³ãã¬ãã³ã°ã©ã¼ãã»ã´ã¡ãªã¨ã¼ã·ã§ã³ãããæããã¦ãããä»ã«ã4ï¼Qb3ã4ï¼Qc2ã4ï¼g3ãªã©ãæ°å¤ãã®å¤åããã[3]ã 4ï¼a3ãBxc3+ã5ï¼bcãc5ã6ï¼e3ãNc6ã7ï¼Bd3ãb6ã8ï¼e4ãd6ã9ï¼Ne2ãe5[4] 4ï¼â¦ãBf8ã4ï¼â¦ãBe7ã¯ææ[1]ãã¾ãã4ï¼â¦ãBa5?ã¯5ï¼b4ãBb6ã6ï¼c5ã§é»ã®ãã·ã§ããæ[1]ã é»ã®5æç®ã§ã¯ä»ã«5ï¼â¦ã0-0ã5ï¼â¦ãNc6ã5ï¼â¦ãb6ã5ï¼â¦ãd
ã¯ã¤ã¼ã³ãºã»ã®ã£ã³ãããï¼Queen's Gambitï¼ã¯ããã§ã¹ã®ãªã¼ããã³ã°ã®1ã¤ãã¯ãã¼ãºãã»ã²ã¼ã ã®ä»£è¡¨çãªãã®ã§ããã1ï¼d4ãd5ã2ï¼c4ã¨ãªã£ãå½¢ãã¯ã¤ã¼ã³ãºã»ã®ã£ã³ãããã®åºæ¬å½¢ã§ãã[1]ã åºç¾©ã®ã¯ã¤ã¼ã³ãºã»ã®ã£ã³ããã 1ï¼d4ãd5ã2ï¼c4ã§å§ã¾ãå ¨ã¦ã®ã²ã¼ã ãæãã ç義ã®ã¯ã¤ã¼ã³ãºã»ã®ã£ã³ããã 1ï¼d4ãd5ã2ï¼c4ãe6ã¨é²è¡ããå½¢ï¼ã¯ã¤ã¼ã³ãºã»ã®ã£ã³ãããã»ãã£ã¯ã©ã¤ã³ãï¼ã®ã¿ãæãã ãªã¼ããã³ã°åã«ãã®ã£ã³ããããã¨ã¤ãã¦ããããé»ã2ï¼â¦ãdcã¨c4ã®ãã¼ã³ãåãã2ï¼â¦ãe5ã¨éã«ã«ã¦ã³ã¿ã¼ã»ã®ã£ã³ãããããªããã°ç©ããã«é²è¡ããå®è·¡ã§ããã 1ï¼d4ãd5ã2ï¼c4ãdcï¼ã¯ã¤ã¼ã³ãºã»ã®ã£ã³ãããã»ã¢ã¯ã»ããããï¼[2] 1ï¼d4ãd5ã2ï¼c4ãe6ï¼ã¯ã¤ã¼ã³ãºã»ã®ã£ã³ãããã»ãã£ã¯ã©ã¤ã³ãï¼ 1ï¼d4ãd5ã2ï¼c4ãc6ï¼ã¹ã©ã´ã»ãã£
ã·ã·ãªã¢ã³ã»ãã£ãã§ã³ã¹ (Sicilian Defence) ã¯ããã§ã¹ã®ãªã¼ããã³ã°ã®1ã¤ã1. e4ã§å§ã¾ãã²ã¼ã ã§2020å¹´ç¾å¨æãããæããã¦ããå®è·¡ã§ãã[1]ã å³å³ã¯ãã®åºæ¬å½¢ã¨ãªã£ã¦ãããåºæ¬å½¢ã¾ã§ã®æé ã¯ã1. e4ãc5ã§ãã[2]ã 1. e4ãe5ã§å§ã¾ãã²ã¼ã ï¼ãªã¼ãã³ã»ã²ã¼ã ï¼ã¯ç¸å½æ·±ãç 究ããã¦ãã¦ãé»çªãæã£ã¦åã¤ãã¨ãå°ãªããªã£ã¦ãããé»çªã§ç½ã®1. e4ã«å¯¾ãã¦åã¡ãã人ãã¡ã«ãã£ã¦ç 究ããããªã¼ããã³ã°ãã·ã·ãªã¢ã³ã»ãã£ãã§ã³ã¹ã§ãããæ¥æ¬ã®ãã§ã¹ãã¬ã¼ã¤ã¼ã»æç°è¬äºã¯ãä»ã®ãã£ãã§ã³ã¹ããã¯åçãè¯ããã¨ãã¦ãã[1]ã ç½ã2.Nf3 ï½ 3.d4 ã¨ãã¼ã³ã交æããã®ããªã¼ãã³ã»ã·ã·ãªã¢ã³ã¨ç·ç§°ããããªãé»ã®2æç®ã¯2. â¦ãd6ã2. â¦ãe6ã2. â¦ãa6ã2. â¦ãg6ã2. â¦ãNc6ã2. â¦ãNf6ã¨æãæããã[3]ããã®ãã¡2
ã»ã³ã¿ã¼ã»ã«ã¦ã³ã¿ã¼ã»ãã£ãã§ã³ã¹ (Center Counter Defense) ã¯ããã§ã¹ã®ãªã¼ããã³ã°ã®1ã¤ãã¹ã«ã³ãã£ãã´ã£ã¢ã³ã»ãã£ãã§ã³ã¹ (Scandinavian Defense)[1] ãã»ã³ã¿ã¼ã»ã«ã¦ã³ã¿ã¼ã»ã®ã£ã³ããã (Center Counter Gambit)[2] ãã»ã³ã¿ã¼ã»ã«ã¦ã³ã¿ã¼ã»ã²ã¼ã (Center Counter Game)[3] ã¨å¼ã°ãããã¨ãããã å³å³ãã»ã³ã¿ã¼ã»ã«ã¦ã³ã¿ã¼ã»ãã£ãã§ã³ã¹ã®åºæ¬å½¢ã§ãã[4]ãåºæ¬å½¢ã¾ã§ã®æé ã¯1. e4ãd5ã§ãã[4]ã 2. edãQxd5ã3. Nc3ãQa5ã4. d4ãNf6ã5. Nf3ãBg4ã6. h3ãBh5ã7. g4ãBg6ã8. Ne5ãc6ã9. h4[5] ç½ã®2æç®ã§2. e5ã¨æãã®ã¯2. â¦ãBf5ã3. d4ãe6ã¨é²è¡ãå½¢å¢äºè§[3]ããã®éä¸ã§é»ã2. â¦ãe6ã¨
ãããã·ã¥ã»ã®ã£ã³ããã (Danish Gambit) ã¯ããã§ã¹ã®ãªã¼ããã³ã°ã®1ã¤ã1. e4ãe5ã«å¯¾ãã¦2. d4 ï½ 3. c3ã¨ã®ã£ã³ããããããªã¼ããã³ã°ã§ãããç½ã¯æ¬¡ã ã¨ãã¼ã³ãæ¨ã¦ããããã®ä»£åã¨ãã¦é§ã®å±éãæ©ãã§ãã[1]ã 1ï¼e4ãe5ã2ï¼d4ãexd4ã3ï¼c3ã¨ãªã£ãå½¢ããããã·ã¥ã»ã®ã£ã³ãããã®åºæ¬å½¢ã§ãã[2]ãã»ã³ã¿ã¼ã»ã²ã¼ã ã®å¤åå½¢ã®ä¸ã¤ã§ããããç¬ç«ãã¦æ±ãããã»ã©éè¦ãªãã®ã§ããã 3. â¦ãdxc3ã4ï¼Bc4ãcxb2ã5ï¼Bxb2ãd5ã6ï¼Bxd5ãNf6ã7ï¼Bxf7+ãKxf7ã8ï¼Qxd8ãBb4+ã9ï¼Qd2ãBxd2+ã10ï¼Nxd2ãc5[3] ãã®å¤åã¯å½¢å¢äºè§ã§ãã[1]ã ç½ã®4æç®ã¯Nxc3ããã[1]ã é»ã®5æç®ã¯Nf6ããã[4]ã5. â¦ãd6ã¯ãf8ã®ãã·ã§ããã®åããéããã¦ãã¾ã[1]ã 6ï¼exd5ã¨
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