rn1q3r/3kppb1/1pp1N3/1B1p1Ppp/3N2P1/2P1P3/bP1P1n1P/1RB1K2R w K - 0 20
FEN state: rn1q3r/3kppb1/1pp1N3/1B1p1Ppp/3N2P1/2P1P3/bP1P1n1P/1RB1K2R w K - 0 20 ; Best move: e6d8
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8 and black rook at h8. Black king at d7, black pawn at e7, black pawn at f7 and black bishop at g7. Black pawn at b6, black pawn at c6 and white knight at e6. White bishop at b5, black pawn at d5, white pawn at f5, black pawn at g5 and black pawn at h5. White knight at d4 and white pawn at g4. White pawn at c3 and white pawn at e3. Black bishop at a2, white pawn at b2, white pawn at d2, black knight at f2 and white pawn at h2. White rook at b1, white bishop at c1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 20. White to move.