rnbqk1n1/pp2pp1r/8/2ppb1pp/1P2P2P/2NP3R/P1PK1PP1/R1BQ1BN1 b q - 2 8
FEN state: rnbqk1n1/pp2pp1r/8/2ppb1pp/1P2P2P/2NP3R/P1PK1PP1/R1BQ1BN1 b q - 2 8 ; Best move: g5g4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7 and black rook at h7. Black pawn at c5, black pawn at d5, black bishop at e5, black pawn at g5 and black pawn at h5. White pawn at b4, white pawn at e4 and white pawn at h4. White knight at c3, white pawn at d3 and white rook at h3. White pawn at a2, white pawn at c2, white king at d2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 2. Full move number is 8. Black to move.