r1bk1b1r/1p2n3/3p2p1/2pP3p/N3P3/1B4PP/PPPBNn2/R3K2R w KQ - 0 20
FEN state: r1bk1b1r/1p2n3/3p2p1/2pP3p/N3P3/1B4PP/PPPBNn2/R3K2R w KQ - 0 20 ; Best move: e1f2
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black rook at h8. Black pawn at b7 and black knight at e7. Black pawn at d6 and black pawn at g6. Black pawn at c5, white pawn at d5 and black pawn at h5. White knight at a4 and white pawn at e4. White bishop at b3, white pawn at g3 and white pawn at h3. White pawn at a2, white pawn at b2, white pawn at c2, white bishop at d2, white knight at e2 and black knight at f2. White rook at a1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 20. White to move.