r3k2r/pbpp1p2/3n2p1/3Ppq2/1pP2PPp/Q1b1BN1P/nP2PK2/R5NR b q - 1 24
FEN state: r3k2r/pbpp1p2/3n2p1/3Ppq2/1pP2PPp/Q1b1BN1P/nP2PK2/R5NR b q - 1 24 ; Best move: b4a3
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7, black pawn at d7 and black pawn at f7. Black knight at d6 and black pawn at g6. White pawn at d5, black pawn at e5 and black queen at f5. Black pawn at b4, white pawn at c4, white pawn at f4, white pawn at g4 and black pawn at h4. White queen at a3, black bishop at c3, white bishop at e3, white knight at f3 and white pawn at h3. Black knight at a2, white pawn at b2, white pawn at e2 and white king at f2. White rook at a1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 24. Black to move.