r1bk4/pp2n3/n3p1pr/2pp1p2/2B1P2P/b1PK3P/PP2NP2/1RB2Q1R w - - 1 21
FEN state: r1bk4/pp2n3/n3p1pr/2pp1p2/2B1P2P/b1PK3P/PP2NP2/1RB2Q1R w - - 1 21 ; Best move: c1h6
The current state of the chess board is: Black rook at a8, black bishop at c8 and black king at d8. Black pawn at a7, black pawn at b7 and black knight at e7. Black knight at a6, black pawn at e6, black pawn at g6 and black rook at h6. Black pawn at c5, black pawn at d5 and black pawn at f5. White bishop at c4, white pawn at e4 and white pawn at h4. Black bishop at a3, white pawn at c3, white king at d3 and white pawn at h3. White pawn at a2, white pawn at b2, white knight at e2 and white pawn at f2. White rook at b1, white bishop at c1, white queen at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. White to move.