r4bkr/pp2p2p/n1ppb1pn/1B3P2/1P1P3P/P1N5/2P2PP1/1RBQK1NR w K - 4 12
FEN state: r4bkr/pp2p2p/n1ppb1pn/1B3P2/1P1P3P/P1N5/2P2PP1/1RBQK1NR w K - 4 12 ; Best move: f5e6
The current state of the chess board is: Black rook at a8, black bishop at f8, black king at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7 and black pawn at h7. Black knight at a6, black pawn at c6, black pawn at d6, black bishop at e6, black pawn at g6 and black knight at h6. White bishop at b5 and white pawn at f5. White pawn at b4, white pawn at d4 and white pawn at h4. White pawn at a3 and white knight at c3. White pawn at c2, white pawn at f2 and white pawn at g2. White rook at b1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 12. White to move.