rnb1kb1r/3pppp1/8/pppq1Pnp/2PPN3/P2Q2P1/1P2P2P/RNB1KB1R b KQkq - 0 12
FEN state: rnb1kb1r/3pppp1/8/pppq1Pnp/2PPN3/P2Q2P1/1P2P2P/RNB1KB1R b KQkq - 0 12 ; Best move: d5e4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at a5, black pawn at b5, black pawn at c5, black queen at d5, white pawn at f5, black knight at g5 and black pawn at h5. White pawn at c4, white pawn at d4 and white knight at e4. White pawn at a3, white queen at d3 and white pawn at g3. White pawn at b2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, 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 0. Full move number is 12. Black to move.