r1b1k1nr/p3qp1p/1pnp1b2/P1p1p1p1/4NP2/2P2NP1/1P1PPKBP/R1BQ3R b kq - 0 12
FEN state: r1b1k1nr/p3qp1p/1pnp1b2/P1p1p1p1/4NP2/2P2NP1/1P1PPKBP/R1BQ3R b kq - 0 12 ; Best move: g5f4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at e7, black pawn at f7 and black pawn at h7. Black pawn at b6, black knight at c6, black pawn at d6 and black bishop at f6. White pawn at a5, black pawn at c5, black pawn at e5 and black pawn at g5. White knight at e4 and white pawn at f4. White pawn at c3, white knight at f3 and white pawn at g3. White pawn at b2, white pawn at d2, white pawn at e2, white king at f2, white bishop at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 12. Black to move.