r2qkb1r/3bp1p1/2Np1n1p/p4p2/5P2/4PK1P/RB1Pn1PR/5BN1 w kq - 0 23
FEN state: r2qkb1r/3bp1p1/2Np1n1p/p4p2/5P2/4PK1P/RB1Pn1PR/5BN1 w kq - 0 23 ; Best move: c6d8
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black bishop at d7, black pawn at e7 and black pawn at g7. White knight at c6, black pawn at d6, black knight at f6 and black pawn at h6. Black pawn at a5 and black pawn at f5. White pawn at f4. White pawn at e3, white king at f3 and white pawn at h3. White rook at a2, white bishop at b2, white pawn at d2, black knight at e2, white pawn at g2 and white rook at h2. White bishop at f1 and white knight at g1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 23. White to move.