r1b1kbr1/3pp1p1/1qp2p2/pp5p/P2n1N2/1P3N1P/2P1PQP1/R1BK1B1R w q - 1 13
FEN state: r1b1kbr1/3pp1p1/1qp2p2/pp5p/P2n1N2/1P3N1P/2P1PQP1/R1BK1B1R w q - 1 13 ; Best move: f2d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at d7, black pawn at e7 and black pawn at g7. Black queen at b6, black pawn at c6 and black pawn at f6. Black pawn at a5, black pawn at b5 and black pawn at h5. White pawn at a4, black knight at d4 and white knight at f4. White pawn at b3, white knight at f3 and white pawn at h3. White pawn at c2, white pawn at e2, white queen at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at d1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 13. White to move.