r1q1kb1r/pp2p2p/3p3n/3nQpp1/PpbP2P1/4PN1P/1B3P2/RN2KB1R b KQkq - 1 15
FEN state: r1q1kb1r/pp2p2p/3p3n/3nQpp1/PpbP2P1/4PN1P/1B3P2/RN2KB1R b KQkq - 1 15 ; Best move: d6e5
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7 and black pawn at h7. Black pawn at d6 and black knight at h6. Black knight at d5, white queen at e5, black pawn at f5 and black pawn at g5. White pawn at a4, black pawn at b4, black bishop at c4, white pawn at d4 and white pawn at g4. White pawn at e3, white knight at f3 and white pawn at h3. White bishop at b2 and white pawn at f2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 1. Full move number is 15. Black to move.