r1bqk2r/2pnp3/pp1p1b2/3P1pPp/1PPB2n1/2N5/P3P2P/R3KBNR b KQ - 5 20
FEN state: r1bqk2r/2pnp3/pp1p1b2/3P1pPp/1PPB2n1/2N5/P3P2P/R3KBNR b KQ - 5 20 ; Best move: f6d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at c7, black knight at d7 and black pawn at e7. Black pawn at a6, black pawn at b6, black pawn at d6 and black bishop at f6. White pawn at d5, black pawn at f5, white pawn at g5 and black pawn at h5. White pawn at b4, white pawn at c4, white bishop at d4 and black knight at g4. White knight at c3. White pawn at a2, white pawn at e2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 5. Full move number is 20. Black to move.