r3k1n1/p2n1pp1/3b1q2/P1pp4/3Np2r/3PPP2/RP1K2R1/2Bb1B2 w q - 3 24
FEN state: r3k1n1/p2n1pp1/3b1q2/P1pp4/3Np2r/3PPP2/RP1K2R1/2Bb1B2 w q - 3 24 ; Best move: d4b5
The current state of the chess board is: Black rook at a8, black king at e8 and black knight at g8. Black pawn at a7, black knight at d7, black pawn at f7 and black pawn at g7. Black bishop at d6 and black queen at f6. White pawn at a5, black pawn at c5 and black pawn at d5. White knight at d4, black pawn at e4 and black rook at h4. White pawn at d3, white pawn at e3 and white pawn at f3. White rook at a2, white pawn at b2, white king at d2 and white rook at g2. White bishop at c1, black bishop at d1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 3. Full move number is 24. White to move.