rnq1kbn1/8/pp2pp2/2p1Pbpr/1PPp2pP/R4P2/3P1KP1/1NBQRB2 b q - 0 23
FEN state: rnq1kbn1/8/pp2pp2/2p1Pbpr/1PPp2pP/R4P2/3P1KP1/1NBQRB2 b q - 0 23 ; Best move: g4g3
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a6, black pawn at b6, black pawn at e6 and black pawn at f6. Black pawn at c5, white pawn at e5, black bishop at f5, black pawn at g5 and black rook at h5. White pawn at b4, white pawn at c4, black pawn at d4, black pawn at g4 and white pawn at h4. White rook at a3 and white pawn at f3. White pawn at d2, white king at f2 and white pawn at g2. White knight at b1, white bishop at c1, white queen at d1, white rook at e1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.