r2qkbn1/p3r3/3p4/2p1np1p/P4P1R/1RPP2P1/1P6/1NB1Kb2 b q - 0 23
FEN state: r2qkbn1/p3r3/3p4/2p1np1p/P4P1R/1RPP2P1/1P6/1NB1Kb2 b q - 0 23 ; Best move: e5d3
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 rook at e7. Black pawn at d6. Black pawn at c5, black knight at e5, black pawn at f5 and black pawn at h5. White pawn at a4, white pawn at f4 and white rook at h4. White rook at b3, white pawn at c3, white pawn at d3 and white pawn at g3. White pawn at b2. White knight at b1, white bishop at c1, white king at e1 and black bishop at f1. Black queenside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.