限著殺王棋題
Dr. Ottó Titusz Bláthy (1860-1939, Hungary)
十二步殺

Otto Titusz Blathy is credited for creating a mate in 290 moves, the longest chess problem yet (Longest Checkmate Problem).



Forsyth-Edwards Notation：8/1nq5/bppp4/1p1k1K1N/1rrp3b/2pp2p1/8/n7

【備註】如遇死圖，可

• Click 原棋圖位置，便會自動彈出後備棋圖；或
  
  
• 入以下網頁：http://www.chessup.net 或 http://www.chessvideos.tv/chess-diagram-generator.php 或 http://www.chess-poster.com/fen/epd_fen.htm 或 http://www.logicalchess.com/info/diagrams/index.html 或 http://www.caissa.com/chess-tools/chess-diagram-generator.php 或 http://chesschitchat.com/fen-to-diagram，把以上棋題圖下的「Forsyth-Edwards Notation」碼輸入「Enter FEN」欄，便可馬上出圖。
  

1. Nf4+ Kc5
2. Ne6+ Kd5
3. Nxc7+ Kc5
4. Kxa6+ Kd5
5. Nc7+ Kc5
6. Nd6+ Kd5
7. Nf4+ Kc5

8. Ke4 d5+
9. Ke5 Bf6+
10. Ke6 Nd8+
11 Kd7 ~
12. Nxd3#