{{shogi diagram|tright|
|なし
|lg|ng|sg|gg|kg|gg|sg|ng|lg
|  |rg|  |  |  |  |  |bg|
|pg|  |pg|pg|pg|pg|  |pg|pg
|  |  |  |  |  |  |pg|psl|
|  |pg|  |  |  |  |  |uah|
|  |  |ps|  |  |  |  |  |
|ps|ps|  |ps|ps|ps|ps|  |ps
|  |bs|  |  |  |  |  |rs|
|ls|ns|ss|gs|ks|gs|ss|ns|ls
|なし
横歩取り模様の出だしから、先手が▲7八金と上がらずに▲2四歩と突いた局面。
△同歩▲同飛に、△8八角成▲同銀△3三角の飛車銀両取りがある。
5手爆弾からの類推で、稀に7手爆弾（ななてばくだん）と呼ばれる[http://kyokumen.jp/positions/6110 lnsgkgsnl/1r5b1/p1pppp1pp/6pP1/1p7/2P6/PP1PPPP1P/1B5R1/LNSGKGSNL w - - 局面ペディア]。
{{shogi diagram|tright|
|歩
|lg|ng|sg|gg|kg|gg|sg|ng|lg
|  |rg|  |  |  |  |  |bg|
|pg|  |pg|pg|pg|pg|  |dah|pg
|  |  |  |  |  |  |pg|pgl|
|  |pg|  |  |  |  |  |  |
|  |  |ps|  |  |  |  |  |
|ps|ps|  |ps|ps|ps|ps|  |ps
|  |bs|  |  |  |  |  |rs|
|ls|ns|ss|gs|ks|gs|ss|ns|ls
|なし
{{shogi diagram|tright|
|歩
|lg|ng|sg|gg|kg|gg|sg|ng|lg
|  |rg|  |  |  |  |  |bg|
|pg|  |pg|pg|pg|pg|  |  |pg
|  |  |  |  |  |  |pg|rsl|
|  |pg|  |  |  |  |  |uat|
|  |  |ps|  |  |  |  |uda|
|ps|ps|  |ps|ps|ps|ps|uda|ps
|  |bs|  |  |  |  |  |uas|
|ls|ns|ss|gs|ks|gs|ss|ns|ls
|歩
△3二金と上がれば▲7八金で定跡手順に合流するが、△8八角成▲同銀△3三角の変化がある。
{{shogi diagram|tright|
|角歩
|lg|ng|sg|gg|kg|gg|sg|ng|lg
|  |rg|  |  |  |  |  |dads|
|pg|  |pg|pg|pg|pg|da|  |pg
|  |  |  |  |  |da|pg|rs|
|  |pg|  |  |da|  |  |  |
|  |  |ps|da|  |  |  |  |
|ps|ps|dad|ps|ps|ps|ps|  |ps
|  |hgl|  |  |  |  |  |  |
|ls|ns|ss|gs|ks|gs|ss|ns|ls
|歩
{{shogi diagram|tright|
|角歩
|lg|ng|sg|gg|kg|gg|sg|ng|lg
|  |rg|  |  |  |  |  |  |
|pg|  |pg|pg|pg|pg|  |  |pg
|  |  |  |  |  |  |pg|rs|
|  |pg|  |  |  |  |  |  |
|  |  |ps|  |  |  |  |  |
|ps|ps|  |ps|ps|ps|ps|  |ps
|  |ssl|  |  |  |  |  |  |
|ls|ns|dulh|gs|ks|gs|ss|ns|ls
|角歩
{{shogi diagram|tright|
|歩
|lg|ng|sg|gg|kg|gg|sg|ng|lg
|  |rg|  |  |  |  |  |  |
|pg|  |pg|pg|pg|pg|bgl|  |pg
|  |  |  |  |  |  |pg|rs|
|  |pg|  |  |  |  |  |  |
|  |  |ps|  |  |  |  |  |
|ps|ps|  |ps|ps|ps|ps|  |ps
|  |ss|  |  |  |  |  |  |
|ls|ns|  |gs|ks|gs|ss|ns|ls
|角歩
▲2八飛と引いて受ける一手。
{{shogi diagram|tright|
|歩
|lg|ng|sg|gg|kg|ddrh|sg|ng|lg
|  |rg|  |  |  |  |ggl|bg|
|pg|  |pg|pg|pg|pg|  |  |pg
|  |  |  |  |  |  |pg|rs|
|  |pg|  |  |  |  |  |  |
|  |  |ps|  |  |  |  |  |
|ps|ps|  |ps|ps|ps|ps|  |ps
|  |bs|  |  |  |  |  |  |
|ls|ns|ss|gs|ks|gs|ss|ns|ls
|歩
▲7八金で定跡手順に合流する。
ここで▲3四飛?と横歩を取るのは、△8八角成▲同銀△4五角で先手負け。
{{shogi diagram|tright|
|歩
|lg|ng|sg|gg|kg|  |sg|ng|lg
|  |rg|  |  |  |  |gg|bg|
|pg|  |pg|pg|pg|pg|  |  |pg
|  |  |  |  |  |  |rsl|lah|
|  |pg|  |  |  |  |  |  |
|  |  |ps|  |  |  |  |  |
|ps|ps|  |ps|ps|ps|ps|  |ps
|  |bs|  |  |  |  |  |  |
|ls|ns|ss|gs|ks|gs|ss|ns|ls
|歩2
{{shogi diagram|tright|
|歩
|lg|ng|sg|gg|kg|  |sg|ng|lg
|  |rg|  |  |  |  |gg|bg|
|pg|  |pg|pg|pg|pg|  |  |pg
|  |  |  |  |  |  |pg|rs|
|  |pg|  |  |  |  |  |  |
|  |  |ps|  |  |  |  |  |
|ps|ps|  |ps|ps|ps|ps|  |ps
|  |bs|gsl|  |  |  |  |  |
|ls|ns|ss|dulh|ks|gs|ss|ns|ls
|歩