rn2kb1r/4pp1p/1p1qb1p1/p1pP4/P2n3P/3QPN2/1PP2PP1/R1BK1B1R b kq - 0 12
FEN state: rn2kb1r/4pp1p/1p1qb1p1/p1pP4/P2n3P/3QPN2/1PP2PP1/R1BK1B1R b kq - 0 12 ; Best move: d4f3
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at b6, black queen at d6, black bishop at e6 and black pawn at g6. Black pawn at a5, black pawn at c5 and white pawn at d5. White pawn at a4, black knight at d4 and white pawn at h4. White queen at d3, white pawn at e3 and white knight at f3. White pawn at b2, white pawn at c2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 12. Black to move.