2rqkbnr/4pp2/ppnp3p/2p3p1/2P1P1P1/P3QK2/RP1P2P1/1NB2BNR b k - 5 12
FEN state: 2rqkbnr/4pp2/ppnp3p/2p3p1/2P1P1P1/P3QK2/RP1P2P1/1NB2BNR b k - 5 12 ; Best move: g8f6
The current state of the chess board is: Black rook at c8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at e7 and black pawn at f7. Black pawn at a6, black pawn at b6, black knight at c6, black pawn at d6 and black pawn at h6. Black pawn at c5 and black pawn at g5. White pawn at c4, white pawn at e4 and white pawn at g4. White pawn at a3, white queen at e3 and white king at f3. White rook at a2, white pawn at b2, white pawn at d2 and white pawn at g2. White knight at b1, white bishop at c1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 5. Full move number is 12. Black to move.