1nb1qb1r/1r1kpp1p/p1p2np1/1pPp1P2/PP2P2P/7N/R2PQ1P1/1NB1KB1R b K - 2 15
FEN state: 1nb1qb1r/1r1kpp1p/p1p2np1/1pPp1P2/PP2P2P/7N/R2PQ1P1/1NB1KB1R b K - 2 15 ; Best move: f6e4
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at e8, black bishop at f8 and black rook at h8. Black rook at b7, black king at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at a6, black pawn at c6, black knight at f6 and black pawn at g6. Black pawn at b5, white pawn at c5, black pawn at d5 and white pawn at f5. White pawn at a4, white pawn at b4, white pawn at e4 and white pawn at h4. White knight at h3. White rook at a2, white pawn at d2, white queen at e2 and white pawn at g2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 2. Full move number is 15. Black to move.