r2qkbn1/p2b4/n4p1r/2p5/2P4p/3N2P1/P2PPK1P/RNBQ1B1R b q - 0 23
FEN state: r2qkbn1/p2b4/n4p1r/2p5/2P4p/3N2P1/P2PPK1P/RNBQ1B1R b q - 0 23 ; Best move: h4g3
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 knight at g8. Black pawn at a7 and black bishop at d7. Black knight at a6, black pawn at f6 and black rook at h6. Black pawn at c5. White pawn at c4 and black pawn at h4. White knight at d3 and white pawn at g3. White pawn at a2, white pawn at d2, white pawn at e2, white king at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.