rnb1k2r/1p2b2p/p1p1pn2/1P1p1ppP/P3P3/2PP4/5PP1/RNQ1KBNR b KQkq - 0 12
FEN state: rnb1k2r/1p2b2p/p1p1pn2/1P1p1ppP/P3P3/2PP4/5PP1/RNQ1KBNR b KQkq - 0 12 ; Best move: f5e4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at b7, black bishop at e7 and black pawn at h7. Black pawn at a6, black pawn at c6, black pawn at e6 and black knight at f6. White pawn at b5, black pawn at d5, black pawn at f5, black pawn at g5 and white pawn at h5. White pawn at a4 and white pawn at e4. White pawn at c3 and white pawn at d3. White pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white queen at c1, white king at e1, white bishop at f1, white knight at g1 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.